| blob | 70561097d88b882660066fdf1bfcd27a69454b64 |
1 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3 * c-parse.in (methodtype): New production.
4 (methoddef, methodproto): Collapse separate '-' and '+'
5 handlers into 1.
7 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
9 * c-common.h (RID_FIRST_PQ): New.
10 * c-parse.in (objc_pq_context): New.
11 (objc parser): Set objc_pq_context rather than calling
12 remember_protocol_qualifiers and forget_protocol_qualifiers.
13 Don't call save_and_forget_protocol_qualifiers.
14 (yylexname): Handle objc protocol qualifiers here.
15 * stringpool.c (struct str_header): Replace with sp_hashnode.
16 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
17 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
18 Allocate an IDENTIFIER_NODE for each identifier.
19 (FORALL_STRINGS, set_identifier): Delete.
20 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
21 (ggc_alloc_string): Use an obstack.
22 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
23 * tree.h: Update comments.
24 (set_identifier): Delete.
25 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
26 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
27 remember_protocol_qualifiers): Delete.
29 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
31 * flow.c (life_analysis): After life analysis is complete, do
32 an optional scan over insns looking for REG_LABEL notes that
33 reference a deleted label.
34 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
35 before peeking at LABEL_NUSES.
37 2001-05-15 Richard Henderson <rth@redhat.com>
39 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
40 (_Unwind_GetTextRelBase): New.
42 2001-05-15 Mark Mitchell <mark@codesourcery.com>
44 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
46 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
48 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
49 so that CHOOSE_SECTION gets used.
51 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
52 TARGET_RELOCATABLE like flag_pic for now.
54 2001-05-15 David Edelsohn <edelsohn@gnu.org>
56 * rs6000.md (movdi splitter): Sign extend more efficiently.
57 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
58 to "long long" valid on 32-bit and 64-bit hosts.
59 (logical_operand): Cast trunc_int_for_mode return value.
60 (rs6000_emit_move): Shift macro to encapsulate variable.
61 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
62 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
63 plus_constant requires signed argument.
65 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
67 * gthr-posix.h: Make additional pthread-* functions weak.
69 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
71 * recog.c (apply_change_group): Avoid unneeded validating.
73 2001-05-14 David Edelsohn <edelsohn@gnu.org>
75 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
76 (num_insns_constant): CONST_INT can be 64-bits.
78 2001-05-14 Stan Shebs <shebs@apple.com>
80 * config/darwin.h (LIB_SPEC): Just use -lSystem.
81 (LIBGCC_SPEC): Don't define.
83 2001-05-14 Richard Henderson <rth@redhat.com>
85 * configure.in (gcc_cv_as_eh_frame): New test.
86 * config.in, configure: Rebuild.
87 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
89 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
91 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
92 extended precision divide.
94 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
96 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
97 for RETURNS as well.
99 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
101 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
102 (CPP_CPU??_SIZE_TYPE): New.
103 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
104 (CPP_CPU_SPEC): ... here; support choosing of CPU.
105 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
106 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
107 compiler.
108 * i386.c (override_options): Add sorry about not suported modes.
110 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
112 * config/pa/som.h (NM_FLAGS): Remove.
113 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
114 (ASM_OUTPUT_SECTION_NAME): Remove.
115 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
117 2001-05-14 Mark Mitchell <mark@codesourcery.com>
119 * regrename.c (regrename_optimize): Do not rename registers to
120 leaf registers.
122 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
124 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
125 contain MEMs. Remove useless distinction about clobbering
126 registers.
128 2001-05-13 Geoff Keating <geoffk@redhat.com>
130 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
131 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
132 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
133 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
134 (EXCEPTION_SECTION): Define.
136 2001-05-13 Zack Weinberg <zackw@stanford.edu>
138 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
139 binary backward compat only.
140 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
141 in LIB2FUNCS. Pass it to mklibgcc.
142 * mklibgcc.in: Handle LIB2FUNCS_ST.
144 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
146 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
148 * tm.texi (THREAD_MODEL_SPEC): Document it.
149 * gcc.c (main): Use it.
150 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
151 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
153 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
155 * rtl.h (SYMBOL_REF_WEAK): New macro.
156 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
157 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
158 * rtl.texi (SYMBOL_REF_WEAK): Document it.
159 * gcc.texi: Remove wrong description.
161 2001-05-13 Mark Mitchell <mark@codesourcery.com>
163 * Makefile.in (STAMP): New macro.
164 Replace all uses of `touch' with $(STAMP).
165 * fixinc/Makefile.in: Likewise.
167 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
169 * configure.in: ldopen is never in -lexc, so don't test for it.
170 Add test for exc_resume in -lexc for Ada.
171 * configure: Regenerated.
173 2001-05-12 Richard Henderson <rth@redhat.com>
175 * dwarf2asm.c (size_of_encoded_value): New function.
176 * dwarf2asm.h: Declare it.
177 * except.c (output_function_exception_table): Align the TType
178 array only as wide as the encoding.
180 2001-05-12 Zack Weinberg <zackw@stanford.edu>
182 * extend.texi: Document #pragma GCC java_exceptions.
184 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
186 * c-parse.in (bison parser, init_reswords): Remove uses of
187 doing_objc_thang.
188 * c-tree.h (doing_objc_thang): Remove.
190 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
192 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
193 about files not ending in newlines.
195 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
197 * dwarfout.c (dwarfout_init): Add cast.
198 * sched-deps.c (sched_analyze_insn): Remove unused vars.
199 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
200 cp:
201 * method.c (build_mangled_C99_name): Remove unused prototype.
203 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
205 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
207 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
209 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
210 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
212 2001-05-11 Richard Henderson <rth@redhat.com>
214 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
215 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
216 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
217 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
218 (dw2_output_indirect_constants): Prototype.
219 * dwarf2out.c (dwarf2out_begin_prologue): Generate
220 current_function_func_begin_label if we'll need it for EH. Exit
221 early for IA64_UNWIND_INFO.
222 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
223 (eh_data_format_name): Update for indirect references.
224 (output_function_exception_table): Care for IA64_UNWIND_INFO.
225 Handle ASM_PREFERRED_EH_DATA_FORMAT.
226 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
227 define HAVE_eh_return etc.
228 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
229 (final_end_function): Don't call output_function_exception_table.
230 * toplev.c (compile_file): Call dw2_output_indirect_constants.
231 (rest_of_compilation): Invoke output_function_exception_table
232 for ia64 before assemble_end_function.
233 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
234 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
236 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
237 * unwind.h: Declare them.
238 * libgcc-std.ver: Export them.
239 * unwind-pe.h: New file.
241 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
243 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
244 instead of "fde".
245 (find_fde_for_dso): Extract DT_PLTGOT.
246 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
247 the segment and gp as well.
248 * config/ia64/frame-ia64.c: Remove file.
249 * config/ia64/frame-ia64.h: Remove file.
250 * config/ia64/unwind-ia64.c: New file.
251 * config/ia64/unwind-ia64.h: New file.
252 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
253 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
254 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
255 (ASM_PREFERRED_EH_DATA_FORMAT): New.
256 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
257 (IA64_UNWIND_INFO): Re-enable.
258 (HANDLER_SECTION): Remove.
259 (EH_RETURN_DATA_REGNO): New.
260 * config/ia64/ia64.md (exception_receiver): Remove.
261 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
262 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
264 2001-05-11 Richard Henderson <rth@redhat.com>
266 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
267 calls and jumps to be bundled together.
268 (ia64_reorg): Emit a break after a noreturn call that ends
269 a function.
270 * config/ia64/ia64.md (break_f): New.
272 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
274 * c-lex.c (lex_charconst): Convert into a simple wrapper
275 around cpp_interpret_charconst, to which most of the code
276 body is moved.
277 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
278 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
279 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
280 (lex): Use cpp_interpret_charconst.
281 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
282 hex_digit_value): New functions.
283 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
284 * cpplib.h (cpp_interpret_charconst): New prototype.
285 * Makefile.in: Update.
287 2001-05-12 Dean Wakerley <dean@wakerley.com>
289 * doc/install.texi: New file. Converted to texinfo from the HTML
290 documentation in wwwdocs/htdocs/install.
292 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
294 * gcse.c (insert_insn_end_bb): Do not search for assignments to
295 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
297 * toplev.c (compile_file): Move comment for opening output
298 file to just before the code that opens the output file.
300 2001-05-11 Jakub Jelinek <jakub@redhat.com>
302 * regmove.c (regmove_optimize): Suppress the optimization for
303 unchanging destination register. Add comment above function.
305 2001-05-11 Zack Weinberg <zackw@stanford.edu>
307 * Makefile.in: Exterminate all references to assert.h.
308 * cross-make: Likewise.
309 * assert.h: Delete.
310 * configure.in: Correct commentary.
311 * configure: Regenerate.
313 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
314 Remove __eprintf.
316 * config/t-freebsd, config/t-linux, config/t-linux-aout,
317 config/t-netbsd, config/t-rtems, config/x-linux,
318 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
319 No need to override INSTALL_ASSERT_H.
321 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
322 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
323 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
325 2001-05-11 Graham Stott <grahams@redhat.com>
327 * combine.c (simplify_comparison): Fix typo.
329 2001-05-11 Mark Mitchell <mark@codesourcery.com>
331 * loop.h (struct movables): Remove `num'.
332 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
333 Adjust call to strength_reduce.
334 (num_unmoved_movables): New function.
335 (move_movables): Don't set movables->num.
336 (strength_reduce): Compute the number of instructions in the loop
337 here, rather than in the caller.
338 (check_dbra_loop): Always clear reversible_mem_store if there
339 are any memory sets.
340 (loop_regs_scan): Don't count instructions here.
341 (count_insn_in_loop): New function.
343 2001-05-11 Mark Mitchell <mark@codesourcery.com>
345 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
347 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
349 * c-common.c (finish_label_expr): New function, lifted from
350 from cp/semantics.c.
351 * c-common.h (finish_label_expr, lookup_label): New prototypes.
352 * c-parse.in: Move 3 blocks of parser code into new functions.
353 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
354 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
355 (lookup_label): Remove.
357 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
359 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
360 FLOAT_BIT_ORDER_MISMATCH.
362 2001-05-10 David Edelsohn <edelsohn@gnu.org>
364 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
365 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
367 2001-05-10 David Edelsohn <edelsohn@gnu.org>
369 * expr.c (emit_group_load): extract_bit_field requires a REG or
370 MEM as an argument.
372 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
374 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
375 a computed jump into an unconditional jump.
376 In second hunk of code for collapsing computed and conditional jumps
377 into unconditional jumps, reemit the jump in additional cases.
379 * jump.c (jump_optimize_1): Do not wrap the new jump target
380 inside a LABEL_REF; gen_jump will do that automatically.
382 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
384 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
385 contents for a SYMBOL_REF in case of floating point constants.
387 2001-05-10 DJ Delorie <dj@redhat.com>
389 * c-common.c (combine_strings): Widen strings in a
390 host-endian-independent way.
392 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
394 * c-parse.in: Remove many shift/reduce conflicts. Update
395 %expect values.
396 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
397 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
398 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
399 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
400 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
401 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
402 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
403 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
404 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
405 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
406 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
407 typespec_reserved_nonattr, typespec_reserved_attr,
408 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
409 structsp_nonattr, components_notype, component_notype_declarator,
410 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
411 firstparm, setspecs_fp): New
412 (typed_declspecs, reserved_declspecs, typed_typespecs,
413 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
414 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
415 declmods_no_prefix_attr, nonempty_type_quals, structsp,
416 type_quals): Remove. Users updated.
417 (initdecls, notype_initdecls, after_type_declarator,
418 parm_declarator, notype_declarator, absdcl1, components, ivars):
419 Don't allow attributes at the start of a declarator; include them
420 in the production containing the declarator instead. Always
421 require type specifiers before trying to redeclare a typedef name.
422 (typename): Allow for attributes but warn that they are ignored.
423 (parmlist, firstparm, setspecs_fp): Include attributes in
424 parmlist; suck them off the parser stack in firstparm using
425 setspecs_fp.
427 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
429 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
430 to determine if a block has an unconditional jump at its end.
432 * jump.c (jump_optimize_1): When converting a conditional jump
433 to an unconditional jump, build the jump using gen_jump instead
434 of just modify operands in-place.
436 2001-05-09 Zack Weinberg <zackw@stanford.edu>
438 * cppinit.c (cpp_post_options): Shut off macro expansion if
439 -fpreprocessed.
440 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
441 IN_I directives only if the # is in column 1 and the directive
442 name begins in column 2.
443 * cppmain.c (scan_buffer): Insert a space between # and an
444 identifier, when that identifier is a directive name.
446 * tradcpp.c (struct file_buf): Add a pointer to the next entry
447 in the header search path.
448 (enum node_type): Add T_INCLUDE_NEXT.
449 (directive_table): Add entry for include_next.
450 (do_include_next): New function.
451 (process_include): New routine, broken out of do_include.
452 (finclude): Insert 'nhd' argument, to be copied into
453 next_header_dir of the new buffer.
454 (main): Adjust to match.
455 * gsyslimits.h, limity.h: Un-indent #include_next.
457 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
459 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
460 inclusion as a chapter of the GCC manual.
461 * gcc.texi: Include objc.texi.
462 * fdl.texi: Use @unnumberedsec for the addendum.
463 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
465 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
467 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
469 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
471 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
472 handling of two-address insns.
474 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
476 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
477 ../binutils/nm-new instead of ../binutils/nm.
479 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
481 * i386.md (movdi splitter): Fix the splitting condition
482 (float_extenddftf splitter): Fix mode.
484 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
486 * genrecog.c (write_switch): Avoid outputting of switch for
487 types wider than int.
489 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
491 * reload1.c (copy_eh_notes): New function.
492 (emit_input_reload_insns): Call it.
493 (emit_output_reload_insns): Call it.
495 2001-05-07 Zack Weinberg <zackw@stanford.edu>
497 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
498 Delete stanzas.
499 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
500 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
502 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
504 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
506 * pa.md (interspace_jump): Revise comment.
507 (builtin_longjmp): Block initial setup insns from delay slot of
508 interspace branch.
509 (builtin_setjmp_receiver): New expander to save and restore PIC
510 register.
512 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
514 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
516 * toplev.c (compile_file): Set up the output file before we call
517 the various initializers for the compiler.
519 * except.c (sjlj_mark_call_sites): Do not search for assignments to
520 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
522 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
523 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
525 2001-05-06 Zack Weinberg <zackw@stanford.edu>
527 * Makefile.in (tradcpp0): Correct typo in dependency list.
529 2001-05-06 Geoff Keating <geoffk@redhat.com>
531 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
532 the link register if we're not going to use it.
534 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
535 (output_function_profiler): Likewise.
537 2001-05-07 Alan Modra <amodra@one.net.au>
539 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
541 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
543 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
544 zero-extend it. Make abs_inc unsigned.
546 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
547 widest mode in narrowing and widening operations.
549 * config/mips/mips.md: Sign extend CONST_INTs.
551 2001-05-06 Andreas Jaeger <aj@suse.de>
553 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
554 (i386 Options): Document -momit-leaf-frame-pointer.
556 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
558 * c-typeck.c (internal_build_compound_expr): Check for
559 array to pointer conversion just once.
561 2001-05-05 Richard Henderson <rth@redhat.com>
563 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
565 2001-05-05 Richard Henderson <rth@redhat.com>
567 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
568 to the parent of the fixup region.
570 2001-05-05 Jakub Jelinek <jakub@redhat.com>
572 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
573 "inline" keyword.
574 * cpp.texi (__NO_INLINE): Document it.
576 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
578 * cppfiles.c (struct include_file): New member err_no.
579 (find_or_create_entry): Set it.
580 (open_file): Don't set fds to -2. Instead, use err_no to
581 remember previous errors, if any.
583 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
585 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
586 between X and Y by using sequences of xgdx and xgdy.
588 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
590 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
591 of '!' for the 'D' alternative ('!' is too strong).
592 ("*logicalsi3_silshl16"): Likewise.
593 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
594 ("movstrictsi"): Remove spurious '+'.
595 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
596 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
597 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
598 a reload to them.
600 2001-05-04 David Edelsohn <edelsohn@gnu.org>
602 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
604 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
606 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
607 into -a.
609 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
611 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
612 TARGET_POWERPC64.
614 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
616 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
617 soft register, use ror instead of rol.
619 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
621 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
622 into account pre/post increment decrement for 68HC12.
623 Fix other problems in replacement and fix call to reg_mentioned_p.
625 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
627 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
628 Put the soft registers in bss for 68HC12.
629 (L_regs_d3_4): New for _.d3 and _.d4.
630 (L_regs_d5_6): Likewise.
631 (L_regs_d1_2): Likewise.
632 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
634 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
636 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
637 to the pre-processor when -fshort-double is specified.
638 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
640 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
642 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
643 (__mulsi3): Rewrite for 68HC12.
644 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
645 Mark 'x' constraint with earlyclobber to prevent a
646 RELOAD_FOR_OTHER_ADDRESS to go in it.
647 (mulhi3_m68hc12): New pattern.
648 (mulhi3_m68hc11): Rename of mulhi3.
649 (mulhi3): New expand for 68HC12 optimisation.
650 (umulhisi3, mulhisi3): New patterns for 68HC12.
652 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
654 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
655 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
656 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
658 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
660 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
661 constants cheap after reload.
662 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
663 are cheap.
664 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
665 so that gcc prefers a shift by 16.
666 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
668 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
670 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
672 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
674 * alpha.h: NULL_PTR -> NULL.
675 * arm.c: Likewise.
676 * arm.h: Likewise.
677 * avr.h: Likewise.
678 * c4x.c: Likewise.
679 * c4x.h: Likewise.
680 * i386.c: Likewise.
681 * i386.md: Likewise.
682 * i860.c: Likewise.
683 * ia64.c: Likewise.
684 * m68hc11.h: Likewise.
685 * rs6000.h: Likewise.
686 * sh.c: Likewise.
687 * sh.h: Likewise.
688 * sparc.h: Likewise.
689 * v850.c: Likewise.
691 * expr.c: Likewise.
692 * final.c: Likewise.
693 * gcc.c: Likewise.
694 * recog.c: Likewise.
696 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
698 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
699 `bool' parameter to `int'.
701 * hash.c (hash_lookup): Likewise.
703 * hash.h (hash_lookup): Likewise.
705 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
707 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
709 * i386.c (x86_initialize_trampoline): Fix mode of constant.
711 2001-05-03 Geoff Keating <geoffk@redhat.com>
713 * invoke.texi (i386 Options): Delete references to -malign-jumps,
714 -malign-loops, -malign-functions.
715 * i386.c (ix86_align_funcs): Delete.
716 (ix86_align_loops): Delete.
717 (ix86_align_jumps): Delete.
718 (override_options): Mark -malign-* as obsolete. Emulate their
719 behaviour with the -falign-* options. Default -falign-* from
720 the processor table.
721 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
722 patch of Wed May 2 13:09:36 2001.
723 (LOOP_ALIGN): Delete.
724 (LOOP_ALIGN_MAX_SKIP): Delete.
725 (LABEL_ALIGN_AFTER_BARRIER): Delete.
726 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
728 2001-05-04 Andreas Jaeger <aj@suse.de>
730 * except.h: Add prototype declaration for
731 expand_builtin_init_dwarf_reg_sizes.
733 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
735 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
737 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
739 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
740 instruction.
741 ("bitcmpqi2"): New pattern for bit-extract and test.
742 ("bitcmphi"): New pattern for bitb/bita instructions.
744 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
746 * gccbug.in: Use a temporary directory when the mktemp command is
747 not available.
749 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
751 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
752 instead of _.d1.
753 (INITIALIZE_TRAMPOLINE): Call it.
754 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
755 (TRAMPOLINE_TEMPLATE): Remove.
756 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
757 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
758 Declare.
760 2001-05-03 David O'Brien <obrien@FreeBSD.org>
762 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
763 and crtendS.o with PIC.
765 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
767 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
768 negative numbers.
769 (___subdi3, ___adddi3): Use x instead of y as index register.
770 (__init_bss_section, __map_data_section): Optimize for 68HC12.
771 (__memset, __memcpy): Likewise.
772 (regs): Put the soft registers in bss for 68HC12.
773 (abort): Use trap to abort for 68hc12.
774 (__mulhi3, __mulhi32): Use emul for 68hc12.
775 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
777 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
779 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
780 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
781 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
782 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
783 Set 68HC12 min offset to -65536.
784 (print_operand): Put parenthesis arround the operand if it refers
785 to a symbol having the same name as a register.
786 (m68hc11_z_replacement): When z register is replaced by its
787 equivalent soft register, force the insn to be re-recognized.
788 (m68hc11_check_z_replacement): Fix the test when destination is
789 the index register and z dies in the insn.
790 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
792 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
794 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
795 costs according to processor variant.
796 (m68hc11_shift_cost): New function to compute shift costs.
797 (m68hc11_rtx_costs): Define costs according to processor variant.
798 (m6811_cost): Costs for 68HC11.
799 (m6812_cost): Costs for 68HC12.
800 (COSTS_N_INSNS): Remove.
802 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
803 (DEFAULT_RTX_COSTS): Remove.
804 (CONST_COSTS): Define costs according to OUTER_CODE.
805 (processor_costs): New struct to define costs.
806 (m68hc11_cost): Pointer to current costs.
808 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
810 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
811 and use m68hc11_notice_keep_cc when using leax/leay.
812 (addhi3 split): Reject split if the insn is handled by
813 leax/leay above.
814 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
815 push must be handled in a special way if the source operand uses
816 sp as index register.
817 (m68hc11_notice_keep_cc): New function.
818 (m68hc11_gen_movhi): Use it when an insn changes a register but
819 not the flags.
820 (m68hc11_gen_movqi): Fix move for 68HC12.
821 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
823 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
825 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
826 and don't pass operands[0] to emit_library_call_value.
828 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
830 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
831 (zero_extendsi split): Simplify and use (zero_extendhi).
832 (*addhi3): Remove 'w' constraint since stack pointer is handled
833 by (addhi3_sp).
834 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
835 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
836 (*ashrhi3_const): Fix shift by 7.
837 (*lshrsi3_const16): Fix template.
838 (call, call_value): Fix constraint and predicate.
840 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
842 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
843 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
844 (CC_REGNUM): Likewise.
845 (*unnamed splits): Use above constants instead of hard coded numbers.
846 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
847 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
848 (*return_16bit, *unnamed peepholes): Likewise.
850 2001-05-03 David O'Brien <obrien@FreeBSD.org>
852 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
853 rs6000/rs6000.h twice.
855 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
857 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
858 (CPP_SPEC): Conditionally define MSDOS and GO32.
859 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
860 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
861 ignored.
862 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
864 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
866 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
868 2001-05-03 Mark Mitchell <mark@codesourcery.com>
870 * integrate.h (struct inline_remap): Add leaf_reg_map table.
871 * integrate.c (expand_inline_function): Use xcalloc to allocate
872 memory.
873 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
874 registers.
876 2001-05-03 Mark Mitchell <mark@codesourcery.com>
878 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
879 if it is not set.
881 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
883 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
884 linker if -mrelax is given.
885 (TARGET_SWITCHES): Document -mrelax.
887 Re-installed 2001-01-09's patch:
888 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
889 if it's wider than long and the target's long is wider than the
890 host's.
892 2001-05-02 David O'Brien <obrien@FreeBSD.org>
894 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
895 directly include rs6000/rs6000.h. Instead do it in tm.h.
897 2001-05-02 Stan Shebs <shebs@apple.com>
899 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
900 NSConstantString for NeXT-style runtimes.
901 (STRING_OBJECT_GLOBAL_NAME): New macro.
902 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
903 OCTI_STRING_CLASS_DECL.
904 (constant_string_global_id): New macro.
905 (string_class_decl): Ditto.
906 (setup_string_decl): New function.
907 (build_objc_string_object): Use it to build a NeXT runtime
908 compatible string initializer.
910 2001-05-02 Jakub Jelinek <jakub@redhat.com>
912 * tradcpp.c (do_define): Make sure we don't walk past limit.
914 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
916 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
917 offsets if not REG_OK_STRICT.
919 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
920 (INT_REG_OK_FOR_INDEX_P): Likewise.
921 (INT_REG_OK_FOR_BASE_P): Likewise.
922 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
923 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
924 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
925 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
926 REG_OK_FOR_BASE_P. Take an additional parameter.
927 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
928 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
929 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
930 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
931 rs6000_legitimate_address() and use it.
932 * config/rs6000/rs6000.c: Update all callers.
933 (rs6000_legitimate_address): New function.
935 2001-05-02 David Edelsohn <edelsohn@gnu.org>
937 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
938 special_constant conditional blocks together.
940 2001-05-02 Dale Johannesen <dalej@apple.com>
942 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
943 parameter.
944 (STRICT_ARGUMENT_NAMING): Define.
945 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
946 function_arg_partial_nregs, setup_incoming_varargs): Remove
947 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
948 is defined.
950 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
952 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
954 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
955 for replacement.
957 * expr.c (store_field): Do nothing except elaborate side-effects if
958 zero-bit field.
960 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
962 * c-lex.c: NULL_PTR -> NULL.
963 * cse.c: Likewise.
964 * emit-rtl.c: Likewise.
965 * gcse.c: Likewise.
966 * genpeep.c: Likewise.
967 * jump.c: Likewise.
968 * mips-tdump.c: Likewise.
969 * reload1.c: Likewise.
970 * rtlanal.c: Likewise.
971 * stmt.c: Likewise.
972 * stor-layout.c: Likewise.
973 * toplev.c: Likewise.
975 2001-05-01 Per Bothner <per@bothner.com>
977 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
978 call do_pending_stack_adjust before emiting label.
980 2001-05-01 Mark Mitchell <mark@codesourcery.com>
982 * extend.texi: Fix typo.
984 2001-05-01 Stan Shebs <shebs@apple.com>
986 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
987 of UOBJC_MODULES_decl.
988 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
989 (generate_descriptor_table): Ditto.
990 (generate_protocols): Ditto.
991 (generate_protocol_list): Ditto.
992 (generate_classref_translation_entry): Ditto.
994 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
996 * invoke.texi (Optimize Options): Add documentation for `--param
997 max-delay-slot-insn-search' and `--param
998 max-delay-slot-live-search' and reorder --param section.
999 * params.def: Modify initial comment.
1000 * params.h (param_info): Add `help' member.
1001 * toplev.c (lang_independent_params): Include `help' description.
1002 (display_help): Print --param parameters.
1004 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1006 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1007 Remove references to deleted files.
1008 (*-*-openbsd): No need to override xmake_file.
1009 (*-*-sysv4): Treat like *-*-sysv.
1011 * configure.in: Probe for ldopen in various places, and set up
1012 collect2 to be linked with them if found.
1013 Don't dink with Windows registry stuff unless $host_os is a
1014 Win32 os name. Check to see if we need -ladvapi32.
1015 * configure: Regenerate.
1017 * Makefile: Get rid of CLIB and HOST_CLIB.
1018 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1019 * build-make: Get rid of HOST_CLIB.
1021 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
1022 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1023 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1024 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
1025 config/rs6000/x-rs6000: Delete.
1027 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
1028 Don't set CLIB.
1030 24 x-host fragments remain, 0 x-cpu, 3 top level.
1032 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1034 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
1035 * configure: Regenerate.
1037 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
1039 * Makefile.in (install-headers): Remove redundant dependency.
1041 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1043 * c-tree.texi (USING_STMT): Document.
1045 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1047 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
1048 * c-common.c: Likewise.
1049 * c-decl.c: Likewise.
1050 * combine.c: Likewise.
1051 * rs6000.c: Likewise.
1052 * except.c: Likewise.
1053 * explow.c: Likewise.
1054 * expr.c: Likewise.
1055 * fold-const.c: Likewise.
1056 * function.c: Likewise.
1057 * gcc.c: Likewise.
1058 * gcse.c: Likewise.
1059 * integrate.c: Likewise.
1060 * loop.c: Likewise.
1061 * objc/objc-act.c: Likewise.
1062 * recog.c: Likewise.
1063 * reg-stack.c: Likewise.
1064 * reload.c: Likewise.
1065 * reload1.c: Likewise.
1066 * simplify-rtx.c: Likewise.
1067 * stmt.c: Likewise.
1068 * varasm.c: Likewise.
1070 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1072 * diagnostic.def: New file.
1073 * diagnostic.h (diagnostic_t): New enum.
1074 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1076 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1078 * tsystem.h: Test only POSIX for availability of string.h
1079 and time.h.
1080 * config.gcc (all systems): If USG appeared in xm_defines,
1081 change it to POSIX. If both USG and POSIX appeared, just
1082 delete USG. Remove unnecessary quotes around xm_defines
1083 settings.
1084 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1085 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1086 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1087 powerpc-*-linux*): No need to set xm_defines - handled by
1088 global settings for *-*-linux*.
1090 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1092 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1093 Always include gstab.h, not system stab.h. Don't provide
1094 default definitions of N_CATCH or N_OPT. Always use the
1095 gstab.h variant of STAB_CODE_TYPE.
1096 * final.c: Don't include stab.h/gstab.h at all, or provide
1097 defaults for N_SLINE and N_SOL.
1099 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1100 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1101 available.
1102 * sdbout.c: Always include gsyms.h instead of system syms.h.
1104 * configure.in: No need to check for stab.h.
1105 * configure, config.in: Regenerate.
1106 * Makefile.in (final.o): Don't depend on gstab.h.
1108 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1109 Richard Henderson <rth@redhat.com>
1111 * extend.texi: Improve documentation of volatile asms.
1113 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1115 * c-tree.texi: Fix thinko.
1116 * gcc.texi: Likewise.
1118 2001-04-30 Richard Henderson <rth@redhat.com>
1120 * c-common.c (c_promoting_integer_type_p): New function, from the
1121 corpse of old macro. Properly promote too-small enumerations and
1122 booleans. Adjust all callers.
1123 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1124 (c_promoting_integer_type_p): Declare.
1125 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1126 * c-typeck.c: Likewise.
1127 (default_conversion): Remove now redundant boolean check.
1129 2001-04-30 Jan Hubicka <jh@suse.cz>
1130 Richard Henderson <rth@redhat.com>
1132 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1133 sanity checks.
1134 (combine_stack_adjustments_for_block): Don't combine stack
1135 allocation followed by deallocations. Handle grow-up stacks.
1137 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1139 * fdl.texi: New file.
1140 * c-tree.texi: Use the GFDL.
1141 * gcc.texi: Likewise.
1143 2001-04-30 Stan Shebs <shebs@apple.com>
1145 * invoke.texi: Add a section documenting Objective-C options.
1147 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1149 * emit-rtl.c (try_split): Copy EH notes to sequence.
1151 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1153 * regmove.c (record_stack_memrefs): Catch all references to the
1154 stack pointer.
1156 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1158 * Makefile.in(stmp-fixinc): quote shell assignment values
1160 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1162 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1164 * gcc.c: Likewise.
1166 * prefix.c: Likewise.
1168 2001-04-28 Stan Shebs <shebs@apple.com>
1170 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1171 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1172 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1173 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1175 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1176 (NEXT_OBJC_RUNTIME): Define.
1178 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1180 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1181 * simplify-rtx.c (simplify_gen_relational): Likewise.
1183 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1185 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1186 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1188 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1189 registers in SSE case; fix handling of the immediates.
1190 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1191 operands to be in regsiters before reload.
1192 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1193 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1194 (abstf,absxf,negtf,negxf splitters): Compute
1195 properly the regnum for x86_64.
1196 (avsdf2_if_rex64): New.
1198 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1200 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1201 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1202 into the constant pool.
1203 * jump.c (jump_optimize_1): Remove barrier successors after all
1204 the LABEL_NUSES counds have been computed.
1205 (delete_barrier_successors): When deleting a tablejump insn, also
1206 delete the jump table it uses.
1207 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1208 label into memory.
1210 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1212 * pa.c (FRP): Remove erroneous white space in macro definition.
1214 2001-04-28 Andreas Jaeger <aj@suse.de>
1216 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1217 appropriate.
1218 * extend.texi: Likewise.
1219 * tm.texi: Likewise.
1221 2001-04-28 Andreas Jaeger <aj@suse.de>
1223 * md.texi: Use XX-bit instead of XXbit or XX bit where
1224 appropriate.
1226 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1228 * gcc.c (process_command): Allow -l lib in addition to -llib
1229 for POSIX compliance. This fixes PR c/2347.
1231 * invoke.texi: Update section on Link Options accordingly.
1233 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1235 * function.c (purge_addressof_1): Remove the duplicate
1236 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1237 blocks together.
1239 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1241 * except.c (expand_eh_region_start): Don't start a new block.
1242 (expand_eh_region_end): Don't end a block.
1243 * stmt.c (expand_end_bindings): Don't end EH blocks.
1244 (expand_decl_cleanup): Starting an EH region won't change the block.
1245 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1246 (is_eh_region): Lose.
1247 * tree.h: Adjust.
1249 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1251 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1253 * collect2.c (main): Add `-L' case to remove duplicate entries.
1254 (is_in_args): New function to check for a duplicate argument.
1255 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1256 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1257 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1258 Define to be nonzero.
1260 2001-04-27 Andreas Jaeger <aj@suse.de>
1261 Richard Henderson <rth@redhat.com>
1263 * md.texi (Machine Constraints): Document additional i386
1264 constraints and fix description of "A".
1266 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1268 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1270 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1272 * except.c (get_exception_filter): word_mode, not Pmode.
1274 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1276 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1277 common to other movsf patterns. Move up so that in future
1278 people who change the other patterns will change it too.
1279 (movsf_lo_sum): Allow even for soft-float; add appropriate
1280 constraints.
1281 (movsf_high): Likewise.
1282 (movsf_high+1): Allow even for soft-float.
1284 * function.c (expand_function_end): Always clobber the
1285 return registers, even if there is no return label.
1287 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1289 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1291 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1293 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1294 (pushqi2_rex64, pushhi2_rex64): Add.
1296 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1298 * except.c (expand_eh_region_end_cleanup): Force pending stack
1299 adjust before emitting label that branches around cleanup code.
1301 2001-04-26 H.J. Lu (hjl@gnu.org)
1303 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1305 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1306 define.
1307 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1308 (ASM_OUTPUT_SECTION_NAME): Likewise.
1309 (ASM_WEAKEN_LABEL): Likewise.
1310 (UNIQUE_SECTION): Likewise.
1311 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1312 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1313 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1314 (ASM_OUTPUT_SECTION_NAME): Likewise.
1315 (ASM_WEAKEN_LABEL): Likewise.
1316 (UNIQUE_SECTION): Likewise.
1317 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1318 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1319 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1320 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1321 (ASM_FILE_START): Likewise.
1322 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1323 (ASM_DECLARE_OBJECT_NAME): Likewise.
1324 (ASM_FILE_END): Likewise.
1325 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1326 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1327 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1328 (ASM_OUTPUT_CASE_LABEL): Likewise.
1329 (ASM_OUTPUT_SKIP): Likewise.
1330 (ASM_OUTPUT_ASCII): Likewise.
1331 (ASM_OUTPUT_IDENT): Likewise.
1332 (READONLY_DATA_SECTION): Likewise.
1333 (EXTRA_SECTIONS): Likewise.
1334 (EXTRA_SECTION_FUNCTIONS): Likewise.
1335 (SELECT_RTX_SECTION): Likewise.
1336 (SELECT_SECTION): Likewise.
1338 * config/mips/linux.h (INVOKE__main): Undefine.
1339 (CTOR_LIST_BEGIN): Likewise.
1340 (CTOR_LIST_END): Likewise.
1341 (DTOR_LIST_BEGIN): Likewise.
1342 (DTOR_LIST_END): Likewise.
1343 (SET_ASM_OP): Defined it to ".dummy".
1344 (ASM_OUTPUT_DEF): Defined.
1345 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1347 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1349 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1350 assembler supports .p2align.
1352 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1354 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1356 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1358 * integrate.c (expand_inline_function): Check for error_mark_node
1359 in actual argument.
1361 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1363 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1364 -m386 and -m486.
1366 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1368 * configure.in (configargs.h): Define thread_model.
1369 * configure: Rebuilt.
1370 * gcc.c (main): Print it with -v.
1372 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1374 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1375 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1376 * gcc.1: Regenerate.
1378 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1380 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1381 is_redundant_typedef): Use static inline instead of inline static.
1383 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1385 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1386 this directory is always searched.
1388 2001-04-25 Richard Henderson <rth@redhat.com>
1390 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1391 of registers to restore along non eh_return path.
1393 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1395 * c-format.c (check_format_info_recurse): Handle
1396 PLUS_EXPR for format string.
1398 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1400 * config/ia64/ia64.h (CC1_SPEC): Define.
1401 * config/ia64/linux.h (CC1_SPEC): Define.
1403 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1405 * emit-rtl.c (constant_subword): Also do sign extension in
1406 BITS_PER_WORD == 16 case.
1408 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1410 * loop.c (try_swap_copy_prop): Go back to checking insn.
1412 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1414 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1415 if check_mode is non-zero.
1417 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1419 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1420 out and comparison sequence has been detected, put result into
1421 proper temporary pseudo.
1423 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1425 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1426 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1427 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1428 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1429 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1430 for future reference.
1432 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1434 * except.c (reachable_handlers): Step out one level from a RESX.
1436 * except.c (struct eh_region): Rename 'last' to 'resume'.
1437 (mark_eh_region, duplicate_eh_region_1): Adjust.
1438 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1439 (build_post_landing_pads): Likewise.
1440 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1441 (expand_eh_region_end_must_not_throw): Likewise.
1442 (connect_post_landing_pads): Thread (only) regions with non-deleted
1443 resume insns.
1445 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1446 registers around the cleanup.
1447 (get_exception_filter): New fn.
1448 (finish_eh_generation): Use it.
1450 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1452 * c-semantics.c (add_scope_stmt): Don't call
1453 current_scope_stmt_stack multiple times.
1455 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1456 Nathan Sidwell <nathan@codesourcery.com>
1458 Lazy __FUNCTION__ generation.
1459 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1460 RID_C99_FUNCTION_NAME): New _RIDs.
1461 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1462 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1463 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1464 global tree slots.
1465 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1466 (c99_function_name_decl_node, function_name_decl_node,
1467 pretty_function_name_decl_node, saved_function_name_decls):
1468 Declare.
1469 (struct language_function): Remove x_function_name_declared_p.
1470 (make_fname_decl): Remove a parameter.
1471 (declare_function_names): Remove prototype.
1472 (start_fname_decls, finish_fname_decls): Prototype.
1473 (fname_as_string): Likewise.
1474 (fname_string, fname_decl): Likewise.
1475 * c-common.c (make_fname_decl): Adjust.
1476 (struct fname_var_t): New struct.
1477 (fname_vars): New static array.
1478 (declare_function_name): Remove.
1479 (start_fname_decls, finish_fname_decls): New functions.
1480 (fname_as_string): New function from remnants of
1481 declare_function_name.
1482 (fname_string, fname_decl): New functions.
1484 * c-decl.c (c_function_name_declared_p): Remove.
1485 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1486 don't call declare_function_name. Call start_fname_decls.
1487 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1488 clobber the line number. Call finish_decl.
1489 (start_function): Call start_fname_decls.
1490 (finish_function): Call finish_fname_decls.
1491 Remove c_function_name_declared_p.
1492 (push_c_function_context): Don't push c_function_name_declared_p.
1493 (pop_c_function_context): Don't pop c_function_name_declared_p.
1494 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1495 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1496 (program): Call finish_fname_decls for C.
1497 (primary): Add VAR_FUNC_NAME.
1498 (reswords): Add slots for __FUNCTION__ et al.
1499 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1500 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1501 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1502 * c-semantics.c (prune_unused_decls): Remove.
1503 (finish_stmt_tree): Don't call prune_unused_decls.
1504 (genrtl_decl_stmt): Don't prune unused decls here.
1506 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1508 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1509 constant pool, use the pool's SYMBOL_REF instead.
1511 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1512 v850e.
1514 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1516 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1517 passing nested NOP_EXPRs to fold.
1519 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1521 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1523 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1525 * loop.c (loop_delete_insns): Add prototype.
1527 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1529 * configure.in: Remove ENABLE_STD_NAMESPACE.
1530 * config.in: Regenerated.
1531 * configure: Regenerated.
1533 2001-04-22 Stan Shebs <shebs@apple.com>
1535 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
1536 into xm_defines.
1537 * config/rs6000/xm-darwin.h: Remove file.
1539 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1541 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
1542 (write_c_file_stat): Likewise.
1544 * dbxout.c (dbxout_init): Likewise.
1546 * profile.c (output_func_start_profiler): Likewise.
1548 2001-04-22 Philipp Thomas <pthomas@suse.de>
1550 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
1551 require it instead of the CVS version.
1552 * cpperror.c (v_message): Put a blank before the macro
1553 body to not confuse exgettext.
1555 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1557 * flow.c (proagate_one_insn): Remove useless assignment.
1558 * jump.c (delete_insn): Tidy.
1559 * loop.c (try_copy_prop): When deleting an instruction with a
1560 REG_RETVAL note, delete the entire libcall sequence.
1561 (loop_delete_insns): New function.
1562 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1563 we're not substituting into them yet.
1565 2001-04-21 Kazu Hirata <kazu@hxi.com>
1567 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1569 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1570 Fix a comment typo.
1571 * config/i960/i960.c (signed_arith_operand): Likewise.
1573 * calls.c (expand_call): Fix a comment typo.
1575 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1577 * configure.in: Probe for times, clock, struct tms, and clock_t.
1578 * configure, config.in: Regenerate.
1579 * timevar.c: Replace ifdef forest in get_time with (relatively)
1580 straightforward series of checks based on autoconf's probes.
1582 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1584 * config/pa/som.h (NM_FLAGS): Define.
1586 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1588 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1589 function.
1590 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1591 * ia64.c (nop_cycles_until): New function.
1592 (prev_cycle, prev_first, last_issued): New static variables.
1593 (ia64_sched_reorder): Additional arg for clock.
1594 On final scheduling pass, emit extra NOPs as needed.
1595 Set prev_first and prev_cycle.
1596 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1597 (ia64_variable_issue): Set last_issued.
1599 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1601 * config/i386/i386.c (ix86_expand_int_movcc,
1602 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1604 2001-04-20 Geoff Keating <geoffk@redhat.com>
1606 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1607 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1608 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1609 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1610 ctrdi_internal6): In the short-branch case, this insn is only 4
1611 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1613 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1615 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1616 "=u" is used together with "st" resp. "st(1)" clobber.
1618 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1620 * gcse.c (gcse_main): Fix comment typo.
1621 (delete_null_pointer_check): Likewise.
1622 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1623 * cse.c (cse_insn): Likewise.
1624 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1625 toplevel.
1627 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1629 * toplev.c: Excise all code for the undocumented -dm option.
1630 (float_signal): Call signal just once, unconditionally.
1632 2001-04-19 Geoff Keating <geoffk@redhat.com>
1634 * fold-const.c (fold): Use first_rtl_op rather than
1635 TREE_CODE_LENGTH when looping over parameters of a tree.
1636 Correct strange grouping in test for evaluated SAVE_EXPR.
1638 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1640 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1641 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1643 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1644 name at 32 total characters.
1645 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1646 functions in named sections -- data items can still go into unique
1647 sections, but they have normal names (ie $LIT$ and $DATA$).
1649 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1650 INIT_PRIORITY.
1652 2001-04-19 DJ Delorie <dj@redhat.com>
1654 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1655 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1656 * config/i386/cygwin.h: Likewise.
1657 * config/i386/mingw32.h: Likewise.
1658 * config/vax/vms.h: Likewise.
1659 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1661 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1662 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1663 * config/i386/xm-cygwin.h: Likewise.
1664 * config/i386/xm-djgpp.h: Likewise.
1665 * config/i386/xm-mingw32.h: Likewise.
1666 * config/vax/xm-vms.h: Likewise.
1668 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1669 instead of OBJECT_SUFFIX.
1670 * collect2.c (find_a_file): Look for files matching the extension
1671 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1672 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1673 TARGET_EXECUTABLE_SUFFIX.
1674 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1675 (make_relative_prefix): Likewise.
1676 (convert_filename): Use TARGET_ suffixes throughout. Remove
1677 NO_AUTO_EXE_SUFFIX.
1678 (process_command): Likewise.
1679 (do_spec_1): Likewise.
1680 * java/lang.c (init_parse): Likewise.
1682 * gcc.texi : Document four new options matching the pattern
1683 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1684 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1685 documentation for NO_AUTO_EXE_SUFFIX.
1687 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1689 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1690 that language-independent processing should not be done.
1691 * toplev.c (main): Adjust accordingly.
1693 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1694 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1696 * mips.md (reload_outputdi): Require that operand0 be a
1697 general_operand.
1699 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1701 * invoke.texi (-Wshadow): Clarify.
1703 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1705 * loop.c (load_mems): Examine all the instructions in the loop
1706 before concluding that all jumps branch to the first instruction
1707 after the loop.
1709 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1711 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1713 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1715 * cpp.texi (-Wwhite-space): Remove.
1716 (-Wall): -Wall does not imply -Wwhite-space.
1718 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1720 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1721 use it instead of blindly generating a .stabs.
1722 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1723 in the right place.
1724 * xcoffout.c: Don't bother defining default for N_CATCH.
1725 (UNKNOWN_STAB): Use internal_error.
1726 (stab_to_sclass): Remove now-unnecessary aborts.
1727 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1729 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1731 * jump.c (mark_all_labels): Canonicalize the tail recursion
1732 label attached to CALL_PLACEHOLDER insns.
1734 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1736 * output.h (dump_flow_info, free_basic_block_vars,
1737 which_alternative): Delete redundant prototypes.
1739 * rtl.h (bss_section): Likewise.
1741 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1743 * dbxout.c (N_OPT): Define if not available from <stab.h>
1745 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1747 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1748 libraries and native K&R compilers.
1750 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1752 * c-typeck.c (convert_arguments): Don't check for width changes
1753 with -Wtraditional.
1755 * invoke.texi (-Wtraditional): Update documentation.
1757 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1759 * toplev.c (output_lang_identify): Delete.
1760 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1761 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1762 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1763 after calling ASM_FILE_END.
1765 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1766 Instead, unconditionally emit an N_OPT stab with string equal
1767 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1769 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1771 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1772 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1773 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1774 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1775 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1776 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1777 config/i370/i370.h, config/i386/beos-elf.h,
1778 config/i386/osf1elf.h, config/i386/osfrose.h,
1779 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1780 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1781 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1782 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1783 config/mips/iris6.h, config/mips/osfrose.h,
1784 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1785 config/sparc/sp64-elf.h:
1786 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1787 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1789 * config/elfos.h, config/freebsd.h, config/linux.h,
1790 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1791 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1792 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1793 of ASM_FILE_START which merely emit a .version directive. Delete
1794 definitions of ASM_FILE_END which merely emit an .ident directive.
1796 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1797 ASM_IDENTIFY_GCC and move part of its logic into
1798 ASM_FILE_START.
1800 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1801 config/sparc/linux-aout.h: Don't emit .version directive in
1802 ASM_FILE_START.
1804 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1805 (output_file_start): Correct comment.
1807 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1808 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1809 to match gdb.
1810 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1811 * config/rs6000/aix.h: Correct comment.
1813 * config/i386/i386afe.h: Delete.
1814 * config.gcc: Remove references to i386afe.h.
1816 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1817 other macros deleted by this patch were undocumented.
1819 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1821 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1823 * pa.c (secondary_reload_class): SAR<->FP copies require a
1824 secondary register.
1826 * install.texi (mips-mips-bsd): Update list of functions
1827 required to include memmove.
1828 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1829 used functions to include memmove.
1831 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1833 * i386.md (sqrtdf2): SFmode should be DFmode.
1835 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1837 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1838 (find_moveable_store): Likewise.
1840 2001-04-15 Jim Wilson <wilson@redhat.com>
1842 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1844 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1846 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1847 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1849 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1851 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1852 first alternative.
1854 2001-04-14 Alan Modra <amodra@one.net.au>
1856 * pa.c (force_mode): New function.
1857 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1859 2001-04-13 Jim Wilson <wilson@redhat.com>
1861 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1862 (first_instruction): New static variable.
1863 (rtx_needs_barrier): Return 1 for alloc.
1864 (init_insn_group_barriers): Set first_instruction.
1865 (rws_sum): Delete duplicate definition.
1866 (group_barrier_needed_p): Return 0 when first_instruction true.
1867 (safe_group_barrier_needed_p): Save and restore first_instruction
1868 around group_barrier_needed_p call.
1870 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1872 * expr.h (enum libfunc_index): Add LTI_memmove.
1873 (memmove_libfunc): Define macro.
1874 * optabs.c (init_optabs): Initialize memmove_libfunc.
1875 * expr.c (expand_assignment): Use memmove_libfunc instead of
1876 memcpy_libfunc.
1878 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1880 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1881 fp mode addresses.
1883 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1885 * Makefile.in (reg-stack.o): Depend on reload.h.
1886 (insn-attrtab.o): Depend on flags.h.
1888 * genattrtab (main): Include flags.h in insn-attrtab.c.
1890 * reg-stack.c: Include reload.h.
1892 * sparc.h (flag_pic): Delete redundant declaration.
1894 * output.h (flag_pic): Likewise.
1896 * tree.h (pedantic): Likewise.
1898 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1900 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1902 * jump.c, regmove.c, toplev.c: Include reload.h.
1904 * reload.h (reload_cse_regs): Declare.
1906 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1907 reload_cse_regs, init_reload, mark_home_live, reload,
1908 init_caller_save): Delete redundant prototypes.
1910 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1912 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1914 * regclass.c, ssa.c: Include expr.h.
1916 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1917 gen_move_insn): Delete redundant declarations.
1919 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1921 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1922 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1923 MAKEINFO and MAKEINFOFLAGS too.
1924 (stage4_build): Correctly order -B flags.
1926 2001-04-13 Alan Modra <amodra@one.net.au>
1928 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1929 PIC_OFFSET_TABLE_SAVE_RTX.
1930 (zdepi_cint_p): Describe zdepi insn.
1931 Formatting and white space fixes throughout file.
1933 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1934 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1935 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1936 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1937 (output_64bit_and): Use plain `int's for shift counts.
1938 (output_64bit_ior): Likewise.
1939 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1940 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1941 `N', and simplify.
1943 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1944 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1945 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1946 NEW_HP_ASSEMBLER into one. Kill warnings.
1948 * pa-gas.h: Delete file.
1949 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1950 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1951 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1952 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1954 * config/pa/mill32.S: New file.
1955 * config/pa/mill64.S: New file.
1956 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1957 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1958 * config/pa/t-linux64: New file.
1959 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1960 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1961 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1963 * elfos.h (SELECT_SECTION): Undef before defining.
1964 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1965 (LIB_SPEC): Remove -lmilli.
1966 (DBX_REGISTER_NUMBER): Remove.
1967 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1968 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1969 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1970 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1971 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1972 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1973 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1974 TARGET_GAS): Define.
1975 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1976 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1977 regs if we don't have a prototype.
1978 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1979 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1980 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1981 EH_RETURN_HANDLER_RTX): Define.
1982 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1983 (DWARF_FRAME_REGNUM): Define.
1984 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1985 * pa32-linux.h: New file.
1986 * pa64-linux.h: New file.
1988 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1989 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1990 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1991 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1992 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1993 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1994 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1995 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1996 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1997 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1998 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1999 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2000 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2001 * pa64-hpux.h: New file.
2002 (ASM_FILE_START): Correct typo.
2003 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2004 * config.gcc: Modify for above.
2006 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2008 * jump.c (jump_optimize_1): Don't delete dead stores here.
2009 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2010 prior to running jump optimize before cse2.
2012 2001-04-12 Richard Henderson <rth@redhat.com>
2014 * Makefile.in (regmove.o): Depend on except.h.
2015 * regmove.c: Include it.
2017 2001-04-12 Stan Shebs <shebs@apple.com>
2019 * objc/objc-act.c: Remove all code ifdefed with the never-used
2020 macro OBJC_INT_SELECTORS.
2021 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
2022 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
2024 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
2026 * config/pa/quadlib.c: Add prototypes.
2028 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2030 * bitmap.h (debug_bitmap): Delete redundant prototype.
2032 * rtl.h (get_frame_size): Likewise.
2034 2001-04-12 Jim Wilson <wilson@redhat.com>
2036 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2037 to just emit an fnorm.
2039 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2041 * c-common.h (truthvalue_conversion, type_for_mode,
2042 type_for_size): Delete redundant declarations.
2044 * c-lex.h (is_class_name): Likewise.
2046 * c-tree.h (pedantic, convert, getdecls, gettags,
2047 global_bindings_p, init_decl_processing, insert_block,
2048 maybe_build_cleanup, poplevel, print_lang_decl,
2049 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
2050 set_block, incomplete_type_error, build_function_call,
2051 lvalue_or_else, mark_addressable): Likewise.
2053 * expr.h (expand_tree_builtin): Likewise.
2055 2001-04-12 Mark Mitchell <mark@codesourcery.com>
2057 * invoke.texi: Document --param max-gcse-memory.
2059 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2061 * configure.in (errno): Check for declaration.
2062 * configure, config.in: Regenerated.
2064 * system.h (errno): Only declare if not already done.
2066 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2068 * recog.c (general_operand, immediate_operand,
2069 nonmemory_operand): Require CONST_INTs to be sign-extended
2070 values for their modes.
2072 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2074 * expmed.c (store_bit_field): Truncate CONST_INTs.
2075 (expand_mult_highpart, expand_divmod): Likewise.
2076 * expr.c (convert_modes, store_field): Likewise.
2077 * integrate.c (expand_inline_function): Use promote_mode() to
2078 determine whether to convert_modes() an argument as signed
2079 or unsigned.
2080 * optabs.c (expand_binop): Get CONST_INT operands
2081 sign-extended for their appropriate modes.
2082 * stmt.c (emit_case_nodes): Convert node values to the
2083 appropriate mode.
2084 (expand_end_case): Convert minval and range to the appropriate
2085 mode.
2086 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2087 the iteration variable.
2088 * varasm.c (immed_double_const): Don't require words to be
2089 narrower than host wide ints to properly sign-extend
2090 CONST_INTs.
2092 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2094 * sh.md (builtin_setjmp_receiver): New expander.
2096 2001-04-12 David Edelsohn <dje@watson.ibm.com>
2098 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2099 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2100 for generating CONST_INT and CONST_DOUBLE.
2102 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2104 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2105 already sign-extended.
2106 (rs6000_emit_prologue): Make register iterator signed.
2107 (rs6000_emit_epilogue): Likewise.
2108 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2109 and low.
2110 (movsf split, movdf split): Sign-extend CONST_INTs.
2111 (movdi splits): Likewise.
2113 2001-04-12 Kelley Cook <kelley.cook@home.com>
2115 * config-lang.in (lang_dirs): Add in zlib.
2117 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
2119 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2120 operands that make it to RTL.
2122 2001-04-11 Stan Shebs <shebs@apple.com>
2124 Add Darwin (Mac OS X kernel) native support.
2125 * config.gcc (powerpc-*-darwin*): Add native bits.
2126 * config/darwin.c: New file, generic Darwin support functions.
2127 * config/darwin.h: New file, generic Darwin definitions.
2128 * config/darwin-protos.h: New file, generic Darwin prototypes.
2129 * rs6000/darwin.h: New file, Darwin for PowerPC.
2130 * rs6000/t-darwin: New file, Darwin makefile fragment.
2131 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2132 (TARGET_MACHO): Ditto.
2133 (rs6000_abi): Add ABI_DARWIN.
2134 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2135 (RS6000_SAVE_AREA): Ditto.
2136 (FP_ARG_MAX_REG): Ditto.
2137 (RETURN_ADDRESS_OFFSET): Ditto.
2138 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2139 cases.
2140 (rs6000_emit_move): Add ABI_DARWIN cases.
2141 (print_operand): Ditto.
2142 (first_reg_to_save): Ditto.
2143 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2144 (debug_stack_info): Ditto.
2145 (rs6000_emit_prologue): Ditto.
2146 (rs6000_emit_epilogue): Ditto.
2147 (output_profiler_hook): Ditto.
2148 (output_function_profiler): Ditto.
2149 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2150 (output_mi_thunk): Add TARGET_MACHO case.
2151 (add_compiler_stub): Ditto.
2152 (output_compiler_stub): Ditto.
2153 (no_previous_def): Ditto.
2154 (output_call): Ditto.
2155 (machopic_output_stub): Ditto.
2156 (rs6000_machopic_legitimize_pic_address): Ditto.
2157 (toc_section): Ditto.
2158 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2159 (macho_high): Ditto.
2160 (macho_low): Ditto.
2161 (movsi_low): Ditto.
2162 (load_macho_picbase): Ditto.
2163 (call): Add TARGET_MACHO case to modify function.
2164 (call_value): Ditto.
2165 (call_nonlocal_sysv): Add ABI_DARWIN case.
2166 (call_value_nonlocal_sysv): Ditto.
2167 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2168 Add prototype.
2169 (machopic_output_stub): Ditto.
2170 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2172 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2174 * dwarf2out.c (modified_type_die): Don't create new types here.
2175 * tree.h (get_qualified_type): New function.
2176 (build_qualified_type): Adjust comment.
2177 * tree.c (get_qualified_type): New function.
2178 (build_qualified_type): Use it.
2180 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2182 * cpp.texi (-Wtraditional): Update description.
2184 * invoke.texi (-Wtraditional): Likewise.
2186 2001-04-11 Jim Wilson <wilson@redhat.com>
2188 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2189 requires more than 64 bits of alignment.
2191 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2193 * cpplib.c (do_line): Sanity check iff enable checking.
2195 2001-04-11 Richard Henderson <rth@redhat.com>
2197 * Makefile.in (insn-recog.o): Depend on toplev.h.
2198 (insn-emit.o, doloop.o): Likewise.
2199 * genrecog.c, genemit.c: Include toplev.h in generated file.
2200 * doloop.c: Include toplev.h.
2202 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2204 * Makefile.in (gcse.o): Depend on params.h.
2205 * gcse.c: Include params.h.
2206 (gcse_main): Don't do GCSE if doing so will take inordinate
2207 amounts of memory.
2208 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2209 * params.h (MAX_GCSE_MEMORY): New macro.
2211 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2213 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2215 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2217 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2219 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2221 * real.h (ereal_atof, real_value_truncate, target_isnan,
2222 target_isinf, target_negative, assemble_real, debug_real): Delete
2223 redundant prototypes.
2225 * Makefile.in (ifcvt.o): Depend on toplev.h.
2227 * c-semantics.c: Include expr.h.
2229 * ifcvt.c: Include toplev.h.
2231 * expr.h (rtx_equal_p): Delete prototype.
2233 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2234 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2235 eliminate_constant_term, expand_complex_abs, find_single_use,
2236 make_tree, init_expr_once, init_optabs, supports_one_only):
2237 Likewise.
2239 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2240 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2241 expand_assignment, store_expr, emit_line_note_after,
2242 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2244 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2246 * sparc-protos.h: Delete redundant prototypes.
2248 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2250 * reload.c (push_reload): Add condition missed in SUBREG byte
2251 offset patch.
2253 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2255 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2257 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2259 * i386.md (floatsisf_sse): Fix output template
2260 * i386.c (ix86_expand_fp_movcc)
2262 * reg-stack.c (emit_pop_insn): Handle complex modes.
2263 (move_for_stack_reg): Emit proper move mode.
2264 (subst_stack_regs_pat): Handle complex modes.
2266 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2268 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2270 2001-04-10 Richard Henderson <rth@redhat.com>
2272 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2273 (__pure_virtual, __terminate, __terminate_set_func,
2274 __default_terminate, __throw_type_match, __empty,
2275 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2276 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2277 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2278 Remove prototypes of deleted functions.
2280 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2282 * c-typeck.c (convert_arguments): -Wtraditional now activates
2283 -Wconversion warnings, except for changes in signed-ness.
2284 Detect complex<->int & int<->complex conversions as well.
2286 * invoke.texi (-Wtraditional): Document it.
2288 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2290 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2291 * flow.c (set_block_for_new_insns): Remove needless cast and
2292 properly check for unset block number.
2294 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2296 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2297 the subreg was a hard register. Pseudos are left as subregs.
2299 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2301 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2302 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2303 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2304 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2305 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2307 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2309 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2311 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2313 * output.h (set_block_num): Missed it earlier, remove deprecated
2314 prototype.
2316 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2318 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2319 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2320 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2321 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2322 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2323 (expr_killed_p): Change bb parameter from int to basic_block, pass
2324 basic_blocks instead of ints as parameters.
2325 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2326 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2327 from int to basic_block, pass basic_blocks instead of ints as parms.
2328 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2329 parameter from int to basic_block, pass basic_blocks instead of ints.
2330 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2331 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2332 pass basic_blocks instead of ints.
2333 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2334 basic_blocks instead of ints as parameters.
2335 (pre_delete): Pass basic_blocks instead of ints as parameters.
2336 (hoist_expr_reaches_here_p): Change bb parameter from int to
2337 basic_block, pass basic_blocks instead of ints.
2338 (hoist_code): Pass basic_blocks instead of ints as parameters.
2339 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2340 Change bb parameter from int to basic_block.
2341 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2342 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2343 pass basic_blocks instead of ints.
2344 (insert_store): Pass basic_blocks instead of ints as parameters.
2345 (replace_store_insn, delete_store): Change bb parameter from int to
2346 basic_block, pass basic_blocks instead of ints.
2347 (store_motion): Pass basic_blocks instead of ints as parameters.
2349 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2351 * basic-block.h (set_new_block_for_insns): New Prototype.
2352 (set_block_num): Delete prototype.
2353 * flow.c (set_block_num): Remove obsolete function.
2354 (set_block_for_new_insns): Set BB for single or multiple insns.
2355 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2356 (process_insn_end_bb): Use set_block_for_new_insns or
2357 set_block_for_insn instead of set_block_num.
2358 (pre_insert_copy_insn): Use set_block_for_new_insns.
2359 (update_ld_motion_stores): Use set_block_for_new_insns.
2360 (insert_insn_start_bb): Use set_block_for_new_insns.
2361 (replace_store_insn): Use set_block_for_new_insns.
2363 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2364 Jeff Law <law@redhat.com>
2366 * alias.c (get_addr): Externalize.
2367 (canon_true_dependence): New function. Behaves like true_dependance
2368 except it already assumes a MEM has been canonicalized.
2369 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2370 * gcse.c (struct ls_expr): Add load/store expressions structure.
2371 (modify_mem_list, canon_modify_mem_list): New variable.
2372 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2373 load motion and store motion if requested.
2374 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2375 (free_gcse_mem): Free the modify_mem_list array.
2376 (oprs_unchanged_p): Use load_killed_in_block_p.
2377 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2378 (mems_conflict_for_gcse_p): New function. Don't kill loads
2379 with stores to themselves if its in the load/store expression list.
2380 (load_killed_in_block_p): New function.
2381 (canon_list_insert): New Function.
2382 (record_last_mem_set_info): Keep a list of all instructions which
2383 can modify memory for each basic block.
2384 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2385 (oprs_not_set_p): Use load_killed_in_block_p.
2386 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2387 (expr_killed_p): Use load_killed_in_block_p.
2388 (compute_transp): Do not pessimize memory references.
2389 (pre_edge_insert): Update stores for a load motion expression.
2390 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2391 (ldst_entry): Find or create a ldst_expr structure.
2392 (free_ldst_entry): Free memory for an individual item.
2393 (free_ldst_mems): Free entire load/store expression list.
2394 (print_ldst_list): Print debug info.
2395 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2396 (enumerate_ldsts): Assign integer values to each entry in list.
2397 (first_ls_expr): First expression in the list.
2398 (next_ls_expr): Next expression in the list.
2399 (simple_mem): Check if expression qualifies for ld/st expression list.
2400 (invalidate_any_buried_refs): Remove from expression list if its
2401 used in some other way we dont understand.
2402 (compute_ld_motion_mems): Find all potential enhanced load motion
2403 expression.
2404 (trim_ld_motion_mems): Remove any expressions which are invalid.
2405 (update_ld_motion_stores): Copy store values to registers for loads
2406 which have been moved.
2407 (regvec, st_antloc, num_store): New global statics.
2408 (reg_set_info): Marks registers as set.
2409 (store_ops_ok): Verfies registers expressions are valid in a block.
2410 (find_moveable_store): Look for moveable stores in a pattern.
2411 (compute_store_table): Find stores in a function worth moving, maybe.
2412 (load_kills_store): Check dependance of a load and store.
2413 (find_loads): Find any loads in a pattern.
2414 (store_killed_in_insn): Check if a store is killed in an insn.
2415 (store_killed_after): Check is store killed after an insn in a block.
2416 (store_killed_before): Check is store killed before an insn in a block.
2417 (build_store_vectors): Generate the antic and avail vectors.
2418 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2419 (insert_store): Add a store to an edge.
2420 (replace_store_insn): Replace a store with a SET insn.
2421 (delete_store): Delete a store insn.
2422 (free_store_memory): Free memory.
2423 (store_motion): Perform store motion.
2424 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2425 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2426 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2427 (f_options): Add gcse-lm and gcse-sm.
2429 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2431 * i386.c (expand_fp_movcc): Fix condition reversal code.
2433 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2434 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2435 (CLASS_MAX_NREGS): Use it.
2437 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2438 handle properly complex values.
2439 (CLASS_MAX_NREGS): Likewise; update comment.
2441 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2443 * ia64.c (ia64_flag_schedule_insns2): New variable.
2444 (ia64_override_options): Initialize it. Clear
2445 flag_schedule_insns_after_reload.
2446 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2448 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2450 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2451 Do not require source to match destination anymore;
2452 Add abort to the nontrivial cases that should be handled by split.
2453 (fix_trunc?fdi): Add SSE case for x86_64.
2454 (floatdi?f): Likewise.
2455 (floatdi?f_sse): New.
2456 (fix_trunc?fdi_sse): New.
2458 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2460 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2461 (DEBUG_ARANGES_END_LABEL): Ditto.
2462 (dwarfout_init): Generate length and version fields at the start
2463 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2464 after the length field.
2465 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2466 the .debug_aranges info.
2468 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2470 * i386.c (call, call_value): Make sure that resulting call_insn
2471 does have proper second operand.
2473 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2475 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2476 function. Remove include of sys/cygwin.h.
2478 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2480 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2481 (CPP_SPEC): Always search */include/w32api for header files.
2482 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2483 (LINK_SPEC): Add "cyg" to the library search prefixes.
2485 2001-04-08 Philip Blundell <philb@gnu.org>
2487 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2489 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2491 * cpperror.c (print_location): Don't special case <stdin>.
2492 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2493 WARNING, but we don't check if we're in system headers.
2494 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2495 * cpplib.c (do_warning): Warn in system headers.
2497 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2499 * mbchar.c: Include config.h first.
2501 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2503 * config.gcc: Set default for xmake_file at top, not bottom.
2504 Change places that set xmake_file to "none" to set to the
2505 empty string instead, or remove them entirely if there is no
2506 default xmake_file for this cpu_type. Remove references to
2507 deleted files.
2509 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2510 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2511 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2512 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2513 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2514 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2515 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2516 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2517 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2518 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2519 Delete.
2521 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2522 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2523 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2524 config/mips/x-sysv, config/rs6000/x-aix31:
2525 Just set CLIB to -lld or -lmld, as appropriate.
2527 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2528 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2529 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2530 config/mips/x-iris, config/pa/x-pa:
2531 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
2532 OTHER_FIXINCLUDES_DIRS.
2534 * config/i386/x-djgpp: Don't set LN or LN_S.
2535 * config/m88k/x-dolph: Don't define __m88k__.
2536 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
2537 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
2538 * config/i860/fx2800.h: No need to #undef SVR4.
2540 38 x-host fragments remain, 2 x-cpu.
2542 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2544 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
2546 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2548 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
2550 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2552 * configure.in: Add check for lstat.
2553 * configure, config.in: Regenerate.
2554 * cppinit.c (append_include_chain): Make empty path ".".
2555 * cpplib.c (do_line): Don't simplify #line paths.
2556 * cppfiles.c (remove_component_p): New function.
2557 (find_or_create_entry): Acknowledge stat () errors during
2558 path simplification.
2559 (handle_missing_header): Don't simplify paths.
2560 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2561 the empty path untouched. Don't leave a trailing '/'.
2563 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2565 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2566 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2568 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2570 * cppfiles.c (open_file): Fail directories silently, but
2571 with an errno of NOENT set.
2572 (read_include_file): Move the common exit code to the sole
2573 caller. Return an int indicating success or failure. Let
2574 open_file handle directories.
2575 (stack_include_file): If read_include_file fails,
2576 push a "null" buffer.
2578 2001-04-05 DJ Delorie <dj@redhat.com>
2580 * function.h (virtuals_instantiated): Declare.
2581 * function.c: (virtuals_instantiated): Make global.
2582 * calls.c (emit_library_call_value_1): Use
2583 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2584 Otherwise, use the stack pointer directly.
2586 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2588 * i386.c (x86_initialize_trampoline): New global function.
2589 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2590 (INITIALIZE_TRAMPOLINE): Move offline.
2591 * i386-protos.h (x86_initialize_trampoline): Declare.
2593 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2595 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2596 (lea_0): Rename to lea_1.
2597 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2598 (lea_general_?): Allow SImodes on TARGET_64BIT
2599 (lea_general_?_zext): New patterns.
2600 (call_1, call_1_rex64): Fix.
2602 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2604 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2606 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2608 * i386.c (function_arg): Return constm1_rtx for last argument.
2609 (ix86_expand_prologue): Update gen_call calls.
2610 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2611 * i386.md (call_pop): Likewise.
2612 (call): Second operand is VOIDmode.
2613 (call_0): Likewise; Support 64bits.
2614 (call_exp): New expander.
2615 (call_1): Get to the sync.
2616 (call_1_exp): New pattern.
2617 (call_value): Support 64bit.
2618 (call_value_exp): New pattern.
2619 (untyped_call): Update gen_call call.
2620 (call_value_pop): Disable for 64bit.
2621 (call_value_0_rex64): New pattern.
2622 (call_value_1_rex64): Likewise.
2624 2001-04-05 Bo Thorsen <bo@suse.de>
2626 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2628 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2630 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2631 satisfies ANY_QI_REG_P.
2633 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2635 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2636 ASM_OPERAND.
2638 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2639 change.
2641 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2643 * config.gcc: Remove default for xm_file. Clean up local
2644 machine type handling. Remove settings of xm_file to
2645 something that doesn't exist. In the big switch, set xm_file,
2646 don't append to it (the value before the big switch is always
2647 null). Don't force build_xm_file or host_xm_file to have a value.
2648 * configure.in: Remove default for xm_file. Do not special
2649 case $cpu/xm-$cpu.h not existing.
2650 * configure: Regenerate.
2652 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2654 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2655 when folding integer division and modulo operations.
2657 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2659 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2660 instead of DWARF2_ADDR_SIZE for EH addresses.
2661 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2662 EH addresses.
2664 2001-04-04 Richard Henderson <rth@redhat.com>
2666 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2667 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2668 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2670 2001-04-04 Richard Henderson <rth@redhat.com>
2672 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2673 * configure: Rebuilt.
2675 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2677 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2678 push insns to delete to it instead of deleting them.
2679 (delete_null_pointer_checks): Delete insns from delete_list after
2680 all delete_null_pointer_checks_1 passes are done.
2682 2001-04-04 Richard Henderson <rth@redhat.com>
2684 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2685 * configure: Rebuilt.
2687 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2689 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2690 * config/romp/xm-romp.h: Delete.
2692 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2694 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2695 change.
2697 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2699 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2700 all labels present in rtx.
2701 (try_split) Call new function for all split insns.
2703 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2705 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2706 sure the change won't be validated.
2708 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2710 * rtl.h (set_noop_p): Declare.
2711 * flow.c (set_noop_p): Move from here ...
2712 * rtlanal.c (set_noop_p): ... to here and enhance.
2713 * cse.c (delete_trivially_dead_insns): Use it.
2714 * gcse.c (hash_scan_set): Likewise.
2715 * jump.c (delete_noop_moves): Likewise.
2716 * recog.c (split_all_insns): Likewise.
2718 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2720 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2721 stack pointer via a LO_SUM. Ditto for setting a temp register
2722 used to save to the stack. Set cfa_temp when setting fp, and
2723 allow matches to cfa_temp in addition to cfa_store when saving
2724 regs. Handle POST_INC and LO_SUM register stores. Document the
2725 changes and errors in rule 12 doco.
2727 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2728 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2729 (load_reg): Move closer to epilogue code.
2730 (DO_FRAME_NOTES): Define to control the following..
2731 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2732 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2733 notes as necessary.
2734 (hppa_expand_epilogue): Likewise.
2736 2001-04-03 Richard Henderson <rth@redhat.com>
2738 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2739 * configure: Rebuild.
2741 2001-04-03 Richard Henderson <rth@redhat.com>
2743 * rtl.h (LCT_THROW): New.
2744 * calls.c (emit_library_call_value_1): Handle it.
2745 * except.c (connect_post_landing_pads): Use it.
2747 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2749 * gansidecl.h: Delete file.
2750 * configure.in: Change all refs to gansidecl.h to use
2751 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2752 lives.
2753 * configure: Regenerate.
2755 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2756 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2757 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2758 Don't include gansidecl.h.
2759 * intl.c, main.c, version.c, fixinc/fixlib.h,
2760 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2761 gansidecl.h.
2763 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2765 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2766 Update for 64bit.
2768 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2770 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2771 config/i386/xm-next.h, config/i386/xm-sco.h,
2772 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2773 config/m88k/xm-m88k.h: Delete.
2775 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2776 * config/romp/xm-romp.h: Don't define bcopy.
2777 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2778 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2780 * config.gcc: Remove references to deleted files.
2782 14 xm-host.h remain, 1 xm-cpu.h.
2784 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2785 David S. Miller <davem@pierdol.cobaltmicro.com>
2786 Andrew MacLeod <amacleod@redhat.com>
2788 Use byte offsets in SUBREGs instead of words.
2790 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2791 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2792 to pass new argument.
2793 (add_stored_regs): Use subreg_regno_offset function.
2794 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2795 into account.
2796 (precompute_arguments): Use gen_lowpart_SUBREG.
2797 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2798 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2799 (simplify_set): Rework to use SUBREG_BYTE.
2800 (expand_field_assignment): Use SUBREG_BYTE.
2801 (make_extraction): Use SUBREG_BYTE.
2802 (if_then_else_cond): Use SUBREG_BYTE.
2803 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2804 (gen_lowpart_for_combine): Compute full byte offset.
2805 * cse.c (mention_regs): Use SUBREG_BYTE.
2806 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2807 (canon_hash): Use SUBREG_BYTE.
2808 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2809 (gen_lowpart_if_possible): Formatting.
2810 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2811 correctly.
2812 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2813 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2814 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2815 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2816 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2817 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2818 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2819 certain invariants about SUBREGs the compiler creates.
2820 (gen_lowpart_SUBREG): New function.
2821 (subreg_hard_regno): New function to get the final register number.
2822 (gen_lowpart_common): Use SUBREG_BYTE.
2823 (gen_imagpart): Spacing nits.
2824 (subreg_realpart_p): Use SUBREG_BYTE.
2825 (gen_highpart): Use SUBREG_BYTE.
2826 (subreg_lowpart_p): Always compute endian corrected goal offset,
2827 even at the byte level, then compare against that.
2828 (constant_subword): New function, pulled out all constant cases
2829 from operand_subword and changed second argument name to offset.
2830 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2831 and call constant_subword to do the work. Return const0_rtx if
2832 looking for a word outside of OP.
2833 (operand_subword_force): Change second arg name to offset.
2834 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2835 (store_split_bit_field): Use SUBREG_BYTE.
2836 (extract_bit_field): Use SUBREG_BYTE.
2837 (extract_split_bit_field): Use SUBREG_BYTE.
2838 (expand_shift): Use SUBREG_BYTE.
2839 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2840 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2841 * flow.c (set_noop_p): Use SUBREG_BYTE.
2842 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2843 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2844 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2845 correction code.
2846 (optimize_bit_field): Use SUBREG_BYTE.
2847 (purge_addressof_1): Use SUBREG_BYTE.
2848 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2849 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2850 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2851 * gengenrtl.c (special_rtx): Add SUBREG.
2852 * global.c (mark_reg_store): Use SUBREG_BYTE.
2853 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2854 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2855 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2856 final byte offset is congruent to subreg's mode size.
2857 (subst_constants): Use SUBREG_BYTE.
2858 (mark_stores): Use subreg_regno_offset function.
2859 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2860 function and SUBREG_BYTE.
2861 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2862 (reg_is_born): Use subreg_hard_regno.
2863 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2864 endian correction code. Don't combine subregs unless resulting
2865 offset aligns with type. Fix subreg constant extraction for DImode.
2866 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2867 (general_operand): Remove dead mode_altering_drug code.
2868 (indirect_operand): Use SUBREG_BYTE.
2869 (constrain_operands): Use subreg_regno_offset function.
2870 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2871 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2872 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2873 * regs.h (REG_SIZE): Allow target to override.
2874 (REGMODE_NATURAL_SIZE): New macro which target can override.
2875 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2876 on the entire subreg rtx.
2877 (push_reload): Use SUBREG_BYTE in comments and code.
2878 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2879 for hard registers inside subregs.
2880 (operands_match_p): Use subreg_regno_offset.
2881 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2882 containing hard regs.
2883 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2884 corrections when fixing up MEM subregs.
2885 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2886 subreg_regno_offset where appropriate.
2887 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2888 byte endian corrections when fixing up MEM subregs.
2889 (subst_reloads): When combining two subregs, make sure final
2890 offset is congruent to subreg's mode size.
2891 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2892 (refers_to_regno_for_reload_p): Use subreg_regno.
2893 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2894 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2895 correction code for memory subreg fixups.
2896 (forget_old_reload_1): Use subreg_regno_offset.
2897 (choose_reload_regs): Use subreg_regno.
2898 (emit_input_reload_insns): Use SUBREG_BYTE.
2899 (reload_combine_note_store): Use subreg_regno_offset.
2900 (move2add_note_store): Use subreg_regno_offset.
2901 * resource.c (update_live_status, mark_referenced_resources): Use
2902 subreg_regno function.
2903 (mark_set_resources): Use subreg_regno function.
2904 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2905 (subreg_regno_offset, subreg_regno): Define prototypes.
2906 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2907 (gen_lowpart_SUBREG): Add prototype.
2908 * rtl.texi (subreg): Update to reflect new byte offset representation.
2909 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2910 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2911 (reg_overlap_mentioned_p): Use subreg_regno.
2912 (replace_regs); Make sure final offset of combined subreg is
2913 congruent to size of subreg's mode.
2914 (subreg_regno_offset): New function.
2915 (subreg_regno): New function.
2916 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2917 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2918 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2919 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2920 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2921 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2922 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2923 (print_operand): Use SUBREG_BYTE.
2924 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2925 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2926 (arm_reload_out_hi): Use SUBREG_BYTE.
2927 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2928 instead of SUBREG_WORD.
2929 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2930 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2931 SUBREG creation to use byte offset.
2932 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2933 inverted load insns): Fix explicit rtl subregs to use byte
2934 offsets.
2935 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2936 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2937 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2938 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2939 to use byte offsets.
2940 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2941 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2942 offsets, also make sure it is congruent to SUBREG's mode size.
2943 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2944 unnamed ldob insn): Generate SUBREGs with byte offset.
2945 (zero_extendqihi2): SUBREG's are byte offsets.
2946 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2947 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2948 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2949 zero-extendqisi2): Generate SUBREGs with byte offset.
2950 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2951 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2952 subregs in rtl to use byte offsets.
2953 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2954 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2955 (mips_move_2words): Use subreg_regno_offset.
2956 (mips_secondary_reload_class): Use subreg_regno_offset.
2957 * config/mips/mips.md (DImode plus, minus, move, and logical op
2958 splits): Fixup explicit subregs in rtl to use byte offsets.
2959 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2960 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2961 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2962 rtl to use byte offsets.
2963 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2964 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2965 subregs to use byte offsets.
2966 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2967 Fixup explicit subregs in rtl to use byte offsets.
2968 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2969 and remove byte endian correction code.
2970 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2971 (gen_ashift_hi): Use SUBREG_BYTE.
2972 (regs_used): Use subreg_regno_offset.
2973 (machine_dependent_reorg): Use subreg_regno_offset.
2974 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2975 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2976 (movdf_i4): Subregs are byte offsets now.
2977 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2978 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2979 (REGMODE_NATURAL_SIZE): Override.
2980 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2981 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2982 with byte offsets.
2983 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2984 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2985 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2986 it is congruent to SUBREG's mode size.
2987 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2988 offsets.
2989 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2990 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2991 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2992 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2993 * config/v850/v850.c (print_operand, output_move_double): Use
2994 subreg_regno function.
2996 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2998 * configure.in (target_subdir): Use target_alias, not target.
2999 * configure: Rebuilt.
3001 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3002 other way round.
3003 * config/sh/crti.asm: Fix typos in comments.
3005 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3007 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3008 TARGET_FAST_INDIRECT_CALLS.
3009 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3010 -fPIC. Don't warn.
3011 (return_addr_rtx): Short circuit export stub matching when
3012 TARGET_NO_SPACE_REGS.
3013 (output_millicode_call): For out of range calls, make -fPIC
3014 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3015 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3016 * pa.md: Modify length attr calculation of all millicode insns to
3017 match above.
3019 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3021 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
3022 Require at least 2.11 in the version test. Specifically check
3023 for and reject GAS version 2.10.90.
3024 * configure: regenerate.
3026 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3028 * pa.c (override_options): Remove PIC profiling warning.
3029 (hp_profile_labelno): Delete.
3030 (hp_profile_label_rtx): Delete.
3031 (hp_profile_label_name): Delete.
3032 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
3033 (output_function_prologue): Remove profiling code and all tests on
3034 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
3035 merge_sp_adjust_with_store can work for PIC and profiling.
3036 (hppa_expand_epilogue): Remove profile_flag test.
3037 (hppa_can_use_return_insn_p): Likewise.
3038 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
3039 cater for PROFILE_HOOK.
3040 (hppa_profile_hook): New function.
3041 * pa.h (FUNCTION_PROFILER): Now does nothing.
3042 (PROFILE_HOOK): Define.
3043 (hppa_profile_hook): Declare.
3044 (PROFILE_BEFORE_PROLOGUE): Delete.
3045 (ASM_OUTPUT_REG_PUSH): Delete.
3046 (ASM_OUTPUT_REG_POP): Delete.
3047 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
3048 r24. Accept function name operand, and use this and a locally
3049 generated label to calculate pc-rel offset to func start.
3051 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3053 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
3054 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
3055 $(SYSTEM_H).
3057 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3059 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3060 LO_SUM cases to where they belong.
3062 2001-04-02 Richard Henderson <rth@redhat.com>
3064 * except.h (lang_eh_type_covers): Mark extern.
3065 (lang_eh_runtime_type): Likewise.
3067 2001-04-02 Zack Weinberg <zackw@stanford.edu>
3069 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3070 gengenrtl.c: Wrap generated header in multiple-include guard.
3071 Improve error checking.
3073 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * configure.in: Don't check for putenv.
3076 * configure: Regenerate.
3077 * gcc.c (putenv): Don't define.
3078 * vax/xm-vms.h: Handle putenv.
3080 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3082 * ifcvt.c (noce_emit_move_insn): New.
3083 (noce_try_store_flag, noce_try_store_flag_constants,
3084 noce_try_store_flag_inc, noce_try_store_flag_mask,
3085 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3086 noce_try_abs): Use it.
3087 (noce_process_if_block): Likewise.
3088 For STRICT_LOW_PART, take mode from its SUBREG.
3090 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3092 * fold-const.c (fold): Before optimizing unsigned comparison with
3093 0x7fffffffU, make sure arg0 is integral type.
3095 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3097 * c-tree.texi: Document representation of wide strings.
3099 2001-04-01 Richard Henderson <rth@redhat.com>
3101 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3103 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3105 * i386.md: remove obsoleted comments.
3106 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3107 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3108 fix output template.
3110 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3112 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3114 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3116 * loop.c (load_mems): When generating a load from a pseudo, update
3117 REGNO_LAST_UID.
3119 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3121 * i386.c (ix86_split_long_move): Use change address to compensate
3122 stack pointer change in push instruction.
3124 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3126 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3127 instead of rtx_equal_p; fix the output template.
3129 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3131 * i386.c (ix86_expand_setcc): Support 64bit.
3132 (ix86_expand_int_movcc): Likewise.
3133 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3134 New patterns.
3136 * i386.md (allocate_stack_worker): Turn to expander.
3137 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3139 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3141 2001-03-29 Richard Henderson <rth@redhat.com>
3143 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3145 2001-03-28 Matthew Hiller <hiller@redhat.com>
3147 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3148 output template.
3150 * MAINTAINERS: Added self.
3152 2001-03-28 Richard Henderson <rth@redhat.com>
3154 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3155 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3157 2001-03-28 Jim Wilson <wilson@redhat.com>
3159 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3160 operand_subword.
3162 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3164 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3166 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3167 `error'.
3169 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3171 2001-03-28 DJ Delorie <dj@redhat.com>
3173 * Makefile.in (stage1_build): Revert CFLAGS patch.
3175 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3177 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3178 when multiplier or multiplicand is zero.
3180 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3182 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3184 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3185 rtx_needs_barrier.
3186 (set_src_needs_barrier): Likewise.
3187 (rtx_needs_barrier): For SET case, use these two functions. Rework
3188 PARALLEL case to handle all inputs before all outputs.
3189 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3190 saw a label and no stop bit since then.
3191 (maybe_rotate, process_epilogue): Add prototypes.
3193 2001-03-28 Richard Henderson <rth@redhat.com>
3195 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3196 not TARGET_TOC for special toc restore handling.
3197 * config/rs6000/rs6000.md (eh_return): Likewise.
3199 2001-03-28 Richard Henderson <rth@redhat.com>
3201 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3202 current_function_calls_eh_return.
3203 (output_function_epilogue): Handle eh_return.
3204 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3205 (EH_RETURN_DATA_REGNO): New.
3206 (EH_RETURN_STACKADJ_RTX): New.
3207 (EH_RETURN_HANDLER_RTX): New.
3208 * config/sparc/sparc.md (call/short branch peepholes): Check
3209 can_throw_internal instead of in_same_eh_region.
3211 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3212 for eh_return data registers.
3213 (rs6000_emit_prologue): Save eh_return data registers.
3214 (rs6000_emit_epilogue): Force inline restores if eh_return.
3215 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3216 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3217 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3218 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3219 the target uses one.
3220 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3221 (return_eh_si, return_eh_di): Remove.
3222 (eh_return): New, from corpse of eh_epilogue.
3223 (eh_set_lr_si, eh_set_lr_di): New.
3225 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3226 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3227 True for pic register if current_function_calls_eh_return.
3228 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3229 Handle eh_return requirements.
3230 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3231 (EH_RETURN_STACKADJ_RTX): New.
3232 * config/i386/i386.md (exception_receiver): Remove.
3233 (eh_return, eh_return_1): New.
3234 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3236 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3237 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3238 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3239 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3240 (EH_RETURN_DATA_REGNO): New.
3241 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3242 * config/alpha/alpha.md (eh_epilogue): Remove.
3243 (exception_receiver): Use $26 for ldgp input.
3244 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3246 2001-03-28 Richard Henderson <rth@redhat.com>
3248 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3249 * except.h: Likewise.
3251 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3252 (LIB2ADDEHDEP): New.
3253 (LIB2FUNCS_EH): Remove.
3254 (LIB2ADD): Remove LIB2ADDEH.
3255 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3256 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3257 (crt{begin,end}[S].o): Likewise.
3258 (except.o): Update includes.
3259 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3260 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3262 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3263 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3264 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3265 * builtins.c (expand_builtin): Implement it.
3266 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3267 * c-common.c (c_common_nodes_and_builtins): Declare it.
3268 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3269 * calls.c (libfunc_nothrow): Remove.
3270 (emit_library_call_value_1): Don't call it.
3271 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3272 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3273 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3274 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3275 (current_funcdef_number): Globalize.
3276 (output_call_frame_info): Emit frame data if an lsda is needed.
3277 Generate augmentation for personality routine. Don't play with
3278 difference symbols.
3279 (dwarf2out_begin_prologue): Record funcdef_number.
3280 * dwarf2out.h (current_funcdef_number): Declare.
3281 * expr.c (expand_expr): Update for except.h name changes.
3282 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3283 * expr.h (LTI_throw, LTI_rethrow): Remove.
3284 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3285 (LTI_eh_rtime_match): Remove.
3286 (LTI_unwind_resume, LTI_eh_personality): Add.
3287 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3288 * final.c (final): Don't call check_exception_handler_labels,
3289 init_insn_eh_region, or free_insn_eh_region.
3290 (final_scan_insn): Always emit debug labels for
3291 NOTE_INSN_EH_REGION notes.
3292 * flags.h (flag_new_exceptions): Remove.
3293 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3294 (record_active_eh_regions): Remove.
3295 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3296 Use can_throw_internal.
3297 (find_basic_blocks_1): Likewise.
3298 (move_stray_eh_region_notes): Remove.
3299 (find_label_refs): No eh_return_stub_label.
3300 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3301 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3302 changes.
3303 (delete_unreachable_blocks): Don't track deleted handlers.
3304 (flow_delete_block): Use maybe_remove_eh_handler.
3305 (delete_eh_regions): Remove.
3306 (merge_blocks): Don't check for eh region match.
3307 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3308 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3309 (init_propagate_block_info): Disable dead frame store optimization
3310 when current_function_calls_eh_return.
3311 (dump_bb): Don't print eh_beg, eh_end.
3312 * function.c (fixup_var_refs): No catch_clauses.
3313 (expand_function_end): Likewise. Call expand_eh_return before
3314 the return register use. Call sjlj_emit_function_exit_after.
3315 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3316 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3317 * ifcvt.c (dead_or_predicable): Remove eh region check.
3318 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3319 Don't check for EH vs parameters.
3320 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3321 (expand_inline_function): Call duplicate_eh_regions.
3322 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3323 (copy_insn_notes): Remap REG_EH_REGION notes.
3324 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3325 * integrate.h (struct inline_remap): Add local_return_label.
3326 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3327 check_exception_handler_labels, nor exception_optimize.
3328 (find_cross_jump): No EH region check.
3329 * optabs.c (init_optabs): Update for changed eh libfuncs.
3330 * rtl.def (RESX): New.
3331 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3332 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3333 checks. Update for except.h name changes.
3334 (expand_cleanups): Likewise.
3335 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3336 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3337 (compile_file): Call init_eh before init_optabs. Don't
3338 output_exception_table here.
3339 (rest_of_compilation): Call convert_from_eh_region_ranges,
3340 convert_to_eh_region_ranges, output_function_exception_table.
3341 Don't emit_eh_context.
3342 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3343 (EXC_PTR_EXPR): New.
3345 * md.texi (eh_epilogue): Remove.
3346 (eh_return): Document.
3347 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3348 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3350 * eh-common.h: Remove file.
3351 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3352 * libgcc2.c (L_eh): Remove.
3354 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3355 * unwind-dw2-fde.h: New file.
3356 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3357 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3358 * libgcc-std.ver: Update for eh symbols.
3360 2001-03-27 Richard Henderson <rth@redhat.com>
3362 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3363 reduce false positives.
3364 (regmove_optimize): Disable if flag_non_call_exceptions.
3366 * stmt.c (expand_return): Remove always true predicate.
3367 (expand_decl_cleanup_no_eh): Remove dead code.
3369 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3370 barrier code. Add a scheduling barrier if a non-call insn
3371 can throw internally.
3373 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3374 Auto-inc addresses trap only if their base register does.
3376 * except.c (can_throw_internal): Rename from can_throw.
3377 * except.h, resource.c: Update references.
3379 * integrate.c (copy_insn_list): Use returnjump_p.
3380 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3382 * function.h (struct function): Move all boolean valued fields
3383 to single bit fields at the end of the struct.
3385 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3386 jump.c, toplev.c:
3387 Rename asynchronous_exceptions to flag_non_call_exceptions.
3389 * gthr-single.h (UNUSED): New. Distinguish between how C
3390 and C++ mark unused function arguments. Use throughout.
3392 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3393 value to target configuration header.
3394 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3395 * config.in, configure: Rebuild.
3396 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3397 configuration and target defines.
3398 (exceptions_via_longjmp): Remove.
3399 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3400 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3402 * except.h (flag_non_call_exceptions): Move ...
3403 * flags.h: ... here.
3405 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3406 exceptions, put the note on the trapping instruction.
3408 * flags.h (flag_new_exceptions): Remove.
3409 * toplev.c: Don't set it.
3410 * final.c: Don't check it.
3411 * except.c: Provide stub definition.
3413 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3414 (calculate_global_regs_live): Kill call-clobbered registers
3415 across exception edges.
3416 * reg-stack.c (convert_regs_1): Kill the entire target stack
3417 across non-call exception edges.
3419 * flow.c (cleanup_cfg): Take no argument.
3420 * output.h, sibcall.c, toplev.c: Update all calls.
3422 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3424 * configure.in: Don't check for bcopy.
3425 * configure, config.in: Regenerate.
3427 * system.h: Don't define or prototype bcopy, instead poison it.
3429 2001-03-27 Richard Henderson <rth@redhat.com>
3431 * function.c (expand_function_start): Set DECL_REGISTER on
3432 a pseudo used for DECL_RESULT.
3434 * rtl.h (LCT_NORETURN): New.
3435 * calls.c (emit_library_call_value_1): Handle it.
3437 2001-03-27 Stan Shebs <shebs@apple.com>
3439 * objc/objc-act.c (objc_init): Use dump_base_name.
3440 (gen_declaration): Clear the buffer arg.
3441 (gen_declaration_1): New function, body of gen_declaration.
3442 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3443 (gen_method_decl): Ditto, plus always clear buffer arg.
3444 (error_with_ivar): Simplify.
3445 (warn_with_method): Ditto.
3446 (build_message_expr): Don't clear buffers.
3447 (dump_interface): Ditto.
3448 (objc_debug): Ditto.
3449 (build_keyword_selector): Clear the buffer by only zeroing
3450 the first element.
3451 (objc_implementation_context): Declare.
3452 (start_class): Warn about missing @end.
3453 (finish_objc): Ditto.
3455 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3457 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3459 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3461 * Makefile.in (SYSTEM_H): Define.
3462 Depend on $(SYSTEM_H), not system.h.
3464 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3466 2001-03-27 Jim Wilson <wilson@redhat.com>
3468 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3469 IA64_UNWIND_EMIT.
3470 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3471 (process_epilogue): New static function.
3472 (process_set): Call process_epilogue instead of emitting .restore
3473 directly.
3474 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3476 * flow.c (struct reg_cond_life_info): New fields orig_condition
3477 and stores.
3478 (init_propagate_block_info): Set new fields.
3479 (mark_regno_cond_dead): Set and use new fields.
3480 (flush_reg_cond_reg_1): Likewise.
3481 (and_reg_cond, case AND): Check for redundant AND conditions.
3482 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3483 Set new fields.
3485 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3487 * cppmacro.c (stringify_arg): Null terminate strings.
3489 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3491 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3492 inclusion style. xm-m68hc11.h no longer exists.
3493 * config/m68hc11/xm-m68hc11.h: Delete file.
3494 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3496 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3497 Don't define GCC_VERSION, N_, or PARAMS; don't include
3498 gansidecl.h or stdio.h. Define inhibit_libc here.
3499 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3500 Delete code conditioned on #if GCC_VERSION == 2095.
3502 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3503 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3504 Delete code conditioned on #if GCC_VERSION == 2095.
3506 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3508 * system.h: Include symcat.h.
3509 (STRINGIFY): Don't define.
3511 * configure.in: Adjust comment.
3513 * builtins.c: Use STRINGX, not STRINGIFY.
3514 * gencheck.c: Likewise.
3515 * gengenrtl.c: Likewise.
3516 * protoize.c: Likewise.
3518 * cpplex.c: Don't include symcat.h.
3519 * cpplib.c: Likewise.
3521 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3523 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3525 * c-typeck.c (digest_init): Fold init expression.
3527 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3529 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3531 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3533 * except.c (eh_regs): Save results of build_pointer_type to a temp
3534 as FUNCTION_VALUE macro may evaluate its args multiple times.
3536 2001-03-26 Mark Mitchell <mark@codesourcery.com>
3538 * c-common.h (DECL_NUM_STMTS): New macro.
3539 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
3540 DECL_FRAME_SIZE.
3541 (pushdecl): Likewise.
3542 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
3543 * integrate.c (expand_inline_function): Don't check
3544 DECL_FRAME_SIZE.
3545 * print-tree.c (print_node): Don't print it.
3546 * toplev.c (rest_of_compilation): Don't try to inline when
3547 flag_no_inline is on.
3548 * tree.h (DECL_FRAME_SIZE): Remove.
3549 (tree_decl): Adjust accordingly.
3551 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3553 * combine.c (try_combine): Use memcpy, not bcopy.
3555 * genattrtab.c (expand_units): Likewise.
3557 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3559 * i386.md (push mem DI peep2): New.
3560 (mov 0, mov -1 peep2): Handle 64bit.
3561 (lea to arithmetics peep2): Handle 64bit leas.
3562 (rsp arithmetics to push/pop peep2s): New.
3564 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3566 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3568 * i386.c (struct machine_function): Add save_varrargs_registers.
3569 (ix86_save_varrargs_registers): New macro.
3570 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3571 (ix86_expand_prologue): Likewise.
3572 (ix86_emit_epilogue_esp_adjustement): Likewise.
3573 (ix86_expand_epilogue): Likewise.
3574 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3575 (pro_epilogue_adjust_stack_1): New insn.
3576 (pro_epilogue_adjust_stack_rex64): Likewise.
3577 * i386.h (MASK_NO_RED_ZONE): New constant.
3578 (TARGET_RED_ZONE): New macro.
3579 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3580 (RED_ZONE_SIZE): New constant.
3581 (RED_ZONE_RESERVE): New constant.
3583 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3585 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3587 2001-03-25 Kazu Hirata <kazu@hxi.com>
3589 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3590 space.
3591 (modqi3): Likewise.
3592 (umodhi3): Likewise.
3593 (modhi3): Likewise.
3595 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3597 * mkconfig.sh (DEFINES): Handle entries with '='.
3599 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3600 Set xm_defines to MACRO=value instead.
3602 * i370/xm-mvs.h: Delete.
3604 * ns32k/xm-pc532-min.h: Likewise.
3606 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3608 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3609 shiftdi_operand;
3610 use ix86_expand_binary_operator
3611 (?sh??i_?): Disable for 64bit.
3612 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3613 * i386.c (shiftdi_operand): New predicate.
3615 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3616 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3617 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3618 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3619 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3620 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3621 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3622 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3623 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3624 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3625 (rotldi3, rotrdi3): New expanders.
3627 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3629 * i386.md (movstrsi): Move offline.
3630 (movstrdi): New.
3631 (strmovdi_rex64): New.
3632 (strmov?i): Accept 64bit.
3633 (strmov?i_rex64): New.
3634 (strmov?i_rex_1): New.
3635 (strmov?i_1): Disable for 64bit.
3636 (rep_mov?i_rex64): New.
3637 (rep_mov?i): Disable for 64bit.
3638 (clrstrsi): Move offline.
3639 (strset?i_rex64): New.
3640 (strset?i: Accept 64bit.
3641 (rep_stos?i): Disable for 64bit.
3642 (rep_stos?i_rex64): New.
3643 (strset?i_rex_1): New.
3644 (strset?i_1): Disable for 64bit.
3645 (cmpstrsi): Accept 64bit.
3646 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3647 (cmpstrqi_nz_rex_1): New.
3648 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3649 (strlensi): Move offline.
3650 (strlendi): New.
3651 (strlenqi_1): Disable for 64bit; fix constraints.
3652 (strlenqi_rex_1): New.
3653 * i386.c (ix86_adjust_counter): New static function.
3654 (ix86_zero_extend_to_Pmode): Likewise.
3655 (ix86_expand_aligntest): Likweise.
3656 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3657 (ix86_expand_movstr): New global function.
3658 (ix86_expand_clrstr): New global function.
3659 (ix86_expand_strlen): New global function.
3660 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3661 ix86_expand_strlen): Declare.
3662 (ix86_expand_strlensi_unroll_1): Delete.
3664 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3666 * i386.md (cmpdi): Fix operand predicates.
3667 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3668 cmpdi_1_insn_rex64): New patterns.
3669 (adddi3): Turn to expander.
3670 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3671 (addsi3_carry_zext): New pattern.
3672 (adddi_?_rex64): New patterns and splitters.
3673 (addsi_?_zext): New patterns.
3674 (subsi3_carry_zext): New pattern.
3675 (subdi_?_rex64): New patterns and splitters.
3676 (iorsi_?_zext): New patterns.
3677 (iordi_?_rex64): New patterns and splitters.
3678 (iorsi_?_zext): New patterns.
3679 (iorsi_?_zext_imm): New patterns.
3680 (xorsi_?_zext): New patterns.
3681 (xordi_?_rex64): New patterns and splitters.
3682 (xorsi_?_zext): New patterns.
3683 (negdi*): New patterns.
3684 (one_cmpldi*): Likewise.
3685 (one_cmplsi*_zext, negsi*_zext): Likewise.
3686 (testqi_ext_3_rex64): New pattern.
3688 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3690 * i386-protos.h (ix86_split_long_move): Return void.
3691 * i386.c (ix86_split_to_parts): Handle 64bit target.
3692 (ix86_split_long_move): Likewise.
3693 * i386.md (all calls to ix86_split_long_move): Update.
3695 2001-03-23 Richard Henderson <rth@redhat.com>
3697 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3698 to avoid shadowing arguments.
3700 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3702 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3703 to variable names where DECL_NAME is different from
3704 DECL_ASSEMBLER_NAME.
3706 2001-03-23 Jim Wilson <wilson@redhat.com>
3708 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3709 (assemble_alias): Call make_decl_rtl.
3711 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3713 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3715 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3717 * extend.texi: Document the "java_interface" attribute.
3719 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3721 * mkconfig.sh: Use a subshell with redirected stdout,
3722 instead of closing stdout and confusing commands that run
3723 afterward. Throw away output of cmp.
3725 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3727 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3729 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3731 * i386.md (zero_extendsidi2_32): Break out from ...
3732 (zero_extendsidi2): ... here ; turn to expander.
3733 (zero_extendsidi2_rex64): New.
3734 (extendsidi2_32): Break out from ...
3735 (extendsidi2): ... here ; turn to expander.
3736 (extendsidi2_rex64): New.
3737 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3738 (trunc?f?f splitters): Add 64bit versions.
3740 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3742 * i386.md (pushsi, pushsi2_prologue): Disable.
3743 (pushsi2_rex64): New.
3744 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3745 (movqi_ext_1): Disable for 64bit.
3746 (movqi_ext_1_rex64): New.
3747 (pushdi2_rex64): New pattern, peep2s and splitter.
3748 (pushdi2_prologue_rex64): New pattern.
3749 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3750 Likewise.
3751 (movdi splitters): Disable for 64bit.
3752 (movdi_1_rex64): New pattern, peep2s and splitters.
3753 (swapdi): New pattern.
3754 (pushsf): Disable for 64bit.
3755 (pushsf_rex64): New pattern and splitter.
3756 (pushdf_nointeger): Disable for 64bit.
3757 (pushdf_integer): Handle the 64bit case.
3758 (pushtf): Likewise; update splitters.
3760 2001-03-22 Richard Henderson <rth@redhat.com>
3762 * mkconfig.sh: Include insn-flags.h.
3763 * Makefile.in (CONFIG_H): Include insn-flags.h.
3764 (lots of objects): Remove insn-codes.h and insn-flags.h.
3766 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3767 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3768 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3769 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3770 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3771 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3772 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3773 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3774 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3775 v850/v850.c, vax/vax.c:
3776 Don't include insn-flags.h.
3778 * diagnostic.c, expr.h, reload.c, toplev.c:
3779 Don't include insn-codes.h.
3781 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3782 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3783 c4x/c4x.c, i960/i960.c, mips/mips.c:
3784 Don't include insn-codes.h or insn-flags.h.
3786 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3787 or insn-flags.h in the generated code.
3788 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3789 (main): Forward declare struct rtx_def.
3791 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3793 * invoke.texi (-ffast-math): Remove duplicate line about
3794 __FAST_MATH__.
3796 * gcc.texi: Remove more obsolete documentation of bugs and
3797 installation problems.
3799 2001-03-21 Kazu Hirata <kazu@hxi.com>
3801 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3802 into two parts.
3804 2001-03-20 Jason Merrill <jason@redhat.com>
3806 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3807 not '.' or '$'.
3808 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3809 * varasm.c (CHKR_PREFIX): Likewise.
3811 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3813 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3814 is part of a multi-SET insn.
3816 * cse.c (find_comparison_args): Remove previous change.
3817 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3818 REG_EQUAL notes.
3820 * config/i386/i386.md (conditional_trap): Remove warning.
3822 * recog.c (push_operand): Fix error in last change that caused
3823 undefined symbol on many targets.
3825 * sdbout.c: #include ggc.h.
3826 (sdbout_init): Move to end of file.
3827 Call ggc_add_tree_root for anonymous_types.
3828 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3829 (sdbout_one_type): Use DECL_NAME for field name.
3830 * Makefile.in (sdbout.o): Show includes ggc.h.
3832 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3834 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3835 (override_options): Use properlimits for preferred_stack_boundary.
3836 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3837 on x86_64.
3838 (ext_register_operand): Accept DImode.
3839 (load_pic_register): Abort on 64bit.
3840 (gen_push): Use Pmode instead of SImode.
3841 (ix86_save_reg): Pic reg is never used on 64bit.
3842 (ix86_expand_prologue): Likewise.
3843 (ix86_emit_save_regs): Use Pmode instead of SImode.
3844 (legitimate_address_p): Check displacement for 64bit.
3845 (print_operand): Avoid outputting of (%rip) on 64bit.
3846 (print_operand_address): Output (%rip) where possible.
3847 (split_di): Abort on 64bit registers.
3848 (ix86_expand_branch): DImode comparison is simple for x86_64.
3849 (memory_address_length): Recognize memory addresses formed using
3850 PRE/POST modify.
3851 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3852 for x86_64.
3853 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3855 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3857 * recog.c (push_operand): Recognize new format of push instructions.
3859 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3861 * i386.md (pushqi1): New.
3862 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3863 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3864 x86_64_immediate_operand, x86_64_immediate_operand,
3865 x86_64_zext_immediate_operand): Declare.
3866 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3867 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3868 x86_64_immediate_operand, x86_64_immediate_operand,
3869 x86_64_zext_immediate_operand): define.
3870 * i386.h (PREDICATE_CODES): Add new predicates.
3872 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3874 * i386.md (pophi1, popqi1, pushqi1): Remove.
3876 * expr.c (emit_single_push_insn): New function.
3877 (move_by_pieces): Accept NULL as destination for push instructions.
3878 (gen_push_operand): Kill.
3879 (emit_push_insn): Pass NULL when pushing; avoid updating of
3880 stack_pointer_delta.
3881 * expr.h (gen_push_operand): Kill.
3883 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3885 * rtl.texi (COMPARE): Clarify documentation and reference section
3886 on comparisons.
3888 2001-03-20 Stan Shebs <shebs@apple.com>
3890 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3891 (get_object_reference): Ditto.
3892 (error_with_ivar): Use error_with_file_and_line.
3893 (warn_with_method): Use warning_with_file_and_line.
3895 2001-03-20 Tom Tromey <tromey@redhat.com>
3897 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3899 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3901 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3902 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3904 2001-03-20 DJ Delorie <dj@redhat.com>
3906 * Makefile.in (install-libgcc): Pass complete list of variables.
3907 (install-multilib): Ditto.
3909 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3911 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3912 drectve_section, switch_to_section.
3914 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3915 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3916 i386_pe_mark_dllimport.
3918 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3920 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3921 functions i386_pe_*.
3923 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3924 i386_pe_* functions with char * arguments.
3926 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3928 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3929 and store.
3930 (movsi_ie): Introduce fpul store.
3932 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3934 * Makefile.in (OBJS): Remove hashtab.o.
3936 2001-03-19 Stan Shebs <shebs@apple.com>
3938 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3939 * c-lang.c (maybe_objc_method_name): Ditto.
3940 * c-tree.h (maybe_objc_method_name): Remove decl.
3942 2001-03-19 Tom Tromey <tromey@redhat.com>
3944 * gcc.c (init_gcc_specs): Fix comment.
3946 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3948 Compute DECL_ASSEMBLER_NAME lazily.
3949 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3950 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3951 (SET_DECL_ASSEMBLER_NAME): Likewise.
3952 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3953 (set_decl_assembler_name): Declare.
3954 (lang_set_decl_assembler_name): Likewise.
3955 * tree.c (lang_set_decl_assembler_name): New variab.e
3956 (set_decl_assembler_name): New function.
3957 (init_obstacks): Set lang_set_decl_assembler_name.
3958 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3959 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3960 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3961 where it's not necessary.
3962 (builtin_function): Likewise.
3963 (finish_decl): Likewise.
3964 * dbxout.c (dbxout_type_methods): Likewise.
3965 * ggc-common.c (ggc_mark_trees): Likewise.
3966 * profile.c (output_func_start_profiler): Likewise.
3967 * varasm.c (make_decl_rtl): Likewise.
3969 * cse.c (find_comparison_args): Update documentation. Fix
3970 mishandling of COMPARE operations.
3972 * tree.def (ABS_EXPR): Add documentation.
3973 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3975 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3977 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3979 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3981 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3982 Remove ia32 linux PIC kludge and move it...
3983 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3985 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3987 * i386.md (absdf2 expander): Fix 64bit case.
3989 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3991 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3993 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3995 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3997 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3999 * README.X11: Remove obsolete file.
4001 2001-03-18 Anthony Green <green@redhat.com>
4003 * config/pj/pj.h: Remove some trailing commas.
4004 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4006 2001-03-18 Richard Henderson <rth@redhat.com>
4008 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4009 * calls.c: ... here.
4010 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4011 defaults for them here.
4013 2001-03-17 Anthony Green <green@redhat.com>
4015 * config/pj/lib1funcs.S: Fix broken comment.
4016 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4017 labels with '.'.
4019 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4021 * gcc.texi: Remove obsolete information relating to build and
4022 installation problems with enquire or the Pyramid C compiler.
4024 2001-03-17 Richard Henderson <rth@redhat.com>
4026 * dwarf2out.c (queue_reg_save): New.
4027 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
4028 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
4029 dwarf2out_reg_save.
4030 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
4031 (cfa, cfa_store, cfa_temp): Make static.
4032 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
4034 2001-03-17 Richard Henderson <rth@redhat.com>
4036 * integrate.h (struct inline_remap): Add local_return_label.
4037 * integrate.c (expand_inline_function): Initialize it and emit
4038 it after copy_insn_notes.
4039 (copy_insn_list): Don't store local_return_label here.
4040 (copy_insn_notes): New function split out from copy_insn_list.
4042 2001-03-17 Richard Henderson <rth@redhat.com>
4044 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4045 is generating .debug_line.
4046 (dwarf2out_init): Add main_input_filename to the file table first.
4047 * configure.in (as_dwarf2_debug_line): Test with file number 1
4048 instead of file number 0.
4050 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4052 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
4053 (gen_rtx_combine): Deleted; all references changed as appropriate.
4054 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
4056 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
4058 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4060 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4061 variable.
4063 2001-03-16 Jim Wilson <wilson@redhat.com>
4065 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4066 then set it to LOC_REG (79) instead of aborting.
4068 2001-03-16 Phil Edwards <pme@sources.redhat.com>
4070 * gccbug.in: Remove high priority.
4072 2001-03-16 Richard Henerson <rth@redhat.com>
4074 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4075 output with a space instead of deleting it.
4076 * configure: Regenerate.
4078 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4080 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4081 handles the gory details of converting an object file into
4082 something that's safe to grep.
4083 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4084 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4085 newlines at either end of the string we're looking for.
4086 Make 'checking ...' message less stilted.
4087 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4088 ARM in-memory layout and its hypothetical converse. Don't
4089 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4090 HOST_WORDS_BIG_ENDIAN.
4092 * configure.in: Adjust for renamed macro. Move
4093 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4094 * configure, config.in: Regenerate.
4096 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4098 * fixinc/Makefile.in: Set SHELL.
4100 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4102 * fixinc/fixincl.c (fix_with_system): Quote file names before
4103 passing them to shell.
4105 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4107 * Makefile.in: Use fix-header$(build_exeext) instead
4108 of fix-header.
4110 2001-03-16 Richard Henderson <rth@redhat.com>
4112 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4113 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4114 (size_of_line_prolog): Remove.
4115 (output_line_info): Compute prologue size via label difference.
4116 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4118 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4119 assembler error when redefining file numbers.
4120 * config.in, configure: Rebuild.
4122 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4123 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4124 (dw2_asm_output_delta_uleb128): Likewise.
4125 (dw2_asm_output_delta_sleb128): Similarly.
4126 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4128 2001-03-16 Michael Meissner <meissner@redhat.com>
4130 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4131 warnings.
4132 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4133 warnings.
4134 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4136 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4137 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4138 being unsigned in ISO C and signed in traditional.
4139 (expand_prologue): Ditto.
4140 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4142 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4143 warnings.
4144 (divsi3,divdi3): Ditto.
4145 (modsi3,moddi3): Ditto.
4146 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4147 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4148 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4149 warnings.
4151 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4153 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4154 SSE based conditional moves on LTGT/UNEQ conditions;
4155 Canonicalize EQ to NE.
4156 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4157 (sse_mov?fcc_ne): New.
4159 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4161 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4163 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4164 register may be dead.
4166 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4168 * Makefile.in (hash.o): Depend on CONFIG_H.
4170 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4172 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4174 2001-03-15 Richard Henderson <rth@redhat.com>
4176 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4177 (ASM_OUTPUT_DWARF_PCREL): New.
4178 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4180 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4182 * cppfiles.c (stack_include_file): Use MAX of sysp.
4184 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4186 * config.gcc (ia64*-*-hpux*): New case.
4187 * config/ia64/hpux.h: New file for HP-UX support.
4188 * config/ia64/t-hpux: New file for HP-UX support.
4190 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4192 * fixinc/inclhack.def (irix_stdio_va_list): New.
4193 * fixinc/fixincl.x: Rebuilt.
4195 2001-03-15 Richard Henderson <rth@redhat.com>
4197 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4198 if provided by the target.
4199 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4200 (dw2_asm_output_addr): New.
4201 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4202 * dwarf2out.c (output_cfi): Use it for program addresses.
4203 (output_call_frame_info, output_die): Likewise.
4204 (output_aranges, output_line_info): Likewise.
4206 2001-03-15 Bruce Korb <bkorb@gnu.org>
4208 * gcc.c(main): make more rigorous
4209 * collect2.c(main): guard against ignoring SIGCHLD
4210 * protoize.c(main): ditto
4211 * gcc/fixinc/fixincl.c(initialize): ditto
4213 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4215 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4216 (sdbout_parms): Likewise.
4218 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4220 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4221 "widen" a destination that is already wider than a word. Also do
4222 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4224 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4226 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4228 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4230 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4232 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4234 * i960.h (i960_maxbitalignment,
4235 i960_last_maxbitalignment): Declare.
4236 * i960.c (i960_maxbitalignment,
4237 i960_last_maxbitalignment): Make global.
4238 (process_pragma): Delete.
4239 (i960_pr_align, i960_pr_noalign): Move from here ...
4240 * i960-c.c: ... to this new file.
4241 * t-960bare (i960-c.o): New rule.
4242 * t-vxworks960 (i960-c.o): Likewise.
4243 * config.gcc (i960-*-*): Define c_target_objs and
4244 cxx_target_objs.
4246 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4248 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4249 without adding in rtx code and mode.
4251 * alias.c (init_alias_analysis): Don't use any rtx whose value
4252 varies as a known value.
4253 Delete a superfluous test.
4255 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4256 ia64_sched_reorder.
4257 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4258 scheduling a stop bit.
4259 (ia64_emit_nops): Correctly handle ASMs.
4261 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4263 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4265 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4267 * cpp.texi: Update documentation for -include and -imacros.
4268 * cppfiles.c (struct include_file): Remove "defined" memeber.
4269 (find_or_create_entry): Make a copy of the file name, and
4270 simplify it.
4271 (open_file): Update to ensure we use the simplified filename.
4272 (stack_include_file): Don't set search_from.
4273 (cpp_included): Don't simplify the path name here.
4274 (find_include_file): New prototype. Call search_from to
4275 get the start of the "" include chain. Don't simplify the
4276 filenames here.
4277 (_cpp_execute_include): New prototype. Move diagnostics to
4278 do_include_common. Update.
4279 (_cpp_pop_file_buffer): Don't set defined.
4280 (search_from): New prototype. Use the preprocessor's cwd
4281 for files included from the command line.
4282 (read_name_map): Don't simplify the pathname here.
4283 * cpphash.h (enum include_type): New.
4284 (struct buffer): Delete search from. New search_cached.
4285 (_cpp_execute_include): Update prototype.
4286 * cppinit.c (do_includes): Use _cpp_execute_include.
4287 * cpplib.c (do_include_common): New function.
4288 (do_include, do_include_next, do_import): Use it.
4290 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4292 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4293 contents of the RTL, to determine the name of the object.
4295 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4297 * tree.h (DECL_RTL): Allocate RTL lazily.
4298 (SET_DECL_RTL): New macro.
4299 (DECL_RTL_SET_P): Likewise.
4300 (COPY_DECL_RTL): Likewise.
4301 (DECL_RTL_IF_SET): Likewise.
4302 * varasm.c (make_decl_rtl): Add assertions about the kind of
4303 declaration we are processing.
4304 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4305 (start_decl): Likewise.
4306 (finish_decl): Likewise.
4307 * c-semantics.c (emit_local_var): Likewise.
4308 * calls.c (expand_call): Likewise.
4309 * dbxout.c (dbxout_symbol): Likewise.
4310 * emit-rtl.c (unshare_all_rtl): Likewise.
4311 (unshare_all_decls): Likewise.
4312 (reset_used_decls): Likewise.
4313 * expr.c (store_constructor): Likewise.
4314 (safe_from_p): Likewise.
4315 (expand_expr): Likewise.
4316 * function.c (put_var_into_stack): Likewise.
4317 (instantiate_decls_1): Likewise.
4318 (assign_parms): Likewise.
4319 (expand_function_start): Likewise.
4320 (expand_function_end): Likewise.
4321 * ggc-common.c (gcc_mark_trees): Likewise.
4322 * integrate.c (function_cannot_inline_p): Likewise.
4323 (copy_decl_for_inlining): Likewise.
4324 (expand_inline_function): Likewise.
4325 (integrate_parm_decls): Likewise.
4326 (integrate_decl_tree): Likewise.
4327 * print-tree.c (print_node): Likewise.
4328 * reg-stack.c (stack_result): Likewise.
4329 * stmt.c (label_rtx): Likewise.
4330 (expand_return): Likewise.
4331 (expand_decl): Likewise.
4332 (expand_decl_cleanup): Likewise.
4333 (expand_anon_union_decl): Likewise.
4334 * toplev.c (check_global_declarations): Likewise.
4335 (rest_of_decl_compilation): Likewise.
4336 * tree.c (simple_cst_equal): Likewise.
4337 * objc/objc-act.c (generate_static_references): Likewise.
4339 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4341 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4342 gcc_AC_C_FLOAT_FORMAT): New macros.
4343 * configure.in: Add AC_PROG_CPP after CC tests;
4344 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4345 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4346 * configure, config.in: Regenerate.
4348 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4349 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4350 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4351 config/i370/xm-linux.h, config/i370/xm-oe.h,
4352 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4353 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4354 config/pa/xm-linux.h, config/pa/xm-pa.h,
4355 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4356 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4357 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4358 config/we32k/xm-we32k.h: Delete.
4360 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4361 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4362 config/vax/xm-vms.h: Don't define any of:
4363 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4365 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4367 * config.gcc: Remove references to deleted files.
4368 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4369 FATAL_EXIT_CODE, which is the same between oe and mvs).
4371 2001-03-14 DJ Delorie <dj@redhat.com>
4372 Vladimir Makarov <vmakarov@redhat.com>
4374 * config/i960/i960.c (i960_function_prologue): Compute size of
4375 frame according to number of registers actually saved there.
4377 2001-03-14 Richard Henderson <rth@redhat.com>
4379 * expr.c (emit_move_insn_1): Fix else if around #endif.
4381 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4382 Vojtech Pavlik
4384 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4385 constraints.
4387 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4389 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4390 (override_options): Parse cmodel string.
4391 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4392 * i386.h (TARGET_OPTIONS): Add "cmodel".
4393 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4394 (enum cmodel): New.
4395 (ix86_cmodel_string, ix86_cmodel): Declare.
4397 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4399 Spot by Matt Kraai:
4400 * i386.h (GENERAL_REG_P): Add missing REG_P.
4402 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4404 * configure.in: Use $gcc_cv_as instead of $as.
4405 * configure: Regenerated.
4407 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4409 * cppfiles.c (stack_include_file): Only increase the include
4410 count if we actually process the file properly, as opposed
4411 to treating it as length zero. Only call read_include_file
4412 if not DO_NOT_REREAD. Handle the -H include file output
4413 here.
4414 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4415 (cpp_included, find_include_file): Simplify pathnames after
4416 remapping them. If remapping, don't use the remapped file
4417 name's buffer as our scratch buffer.
4418 (cpp_pop_file_buffer): Replace the multiple include macro
4419 only if it isn't yet set.
4420 (read_name_map): Simplify remapped names when reading in.
4421 (remap_filename): Move code to code path that uses it.
4422 (_cpp_simplify_pathname): Return the input pointer.
4423 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4425 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4427 * expr.c (expand_expr): Revove bogus conditional.
4429 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4431 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4433 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4435 * reg-stack.c (stack_result): Unconditionally use
4436 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4438 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4440 * expr.c (emit_move_insn_1): Split push of complex value when
4441 no suitable push instruction exist.
4443 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4444 instead of QI_REG_P.
4446 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4448 * alias.c (handled_component_p, can_address_p): New functions.
4449 (get_alias_set): Use them.
4451 2001-03-13 Jim Wilson <wilson@redhat.com>
4453 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4454 from 80 in try_locals code.
4455 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4457 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4459 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4460 gcc_AC_C_LONG_LONG): New.
4461 * configure.in: Use them. Probe the size of short, int, long,
4462 and long long/__int64 if we have them. Move all the AC_C_*
4463 checks together, except gcc_AC_C_CHAR_BIT which has to go
4464 after AC_CHECK_HEADERS(limits.h).
4465 Take hwint.h out of host_xm_file and build_xm_file.
4467 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4468 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4469 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4470 Move the HOST_WIDEST_INT setup logic here from system.h.
4471 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4472 defined.
4473 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4474 is now handled by hwint.h.
4476 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4477 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4478 config/ia64/xm-ia64.h: Don't define any of:
4479 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4480 HOST_BITS_PER_LONGLONG.
4482 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4483 config/h8300/xm-h8300.h, config/mips/iris6.h,
4484 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4485 config/sparc/xm-sp64.h: Delete.
4486 * config.gcc: Remove references to deleted files.
4488 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4489 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4490 * config/i370/xm-linux.h: Clarify floating-point situation in
4491 a comment.
4493 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4495 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4496 (find_include_file): Decide here which part of the include
4497 chain to start the search. Complain about an empty include
4498 chain in all cases apart from an abolsute file name.
4499 (_cpp_execute_include): Don't choose the search chain here.
4500 Don't call handle_missing_include in the case of an empty
4501 include chain.
4502 (_cpp_compare_file_date): Don't choose the search chain here.
4503 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4504 here from _cpp_execute_include. Behave like #include if
4505 we're in the main file.
4507 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4509 * system.h (malloc, realloc, calloc, strdup): Only poison these
4510 tokens when IN_GCC is defined.
4512 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4514 * i386.md (abs?f expander): Support SSE case.
4515 (abd?f_if): Add new "USE"; add splitters.
4517 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4519 * cpp.texi (poison): Explain the macro expansion exception.
4521 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4523 * expr.c (store_expr): Add dont_store_target. If temp is already in
4524 target before copying to reg, don't store it into target again.
4526 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4528 * cppinternals.texi: Update for file handling.
4530 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4532 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
4533 2001-02-24 which broke building the Java library.
4534 * function.c (identify_blocks): Likewise.
4535 (all_blocks): Likewise.
4536 * integrate.c (integrate_decl_tree): Likewise.
4537 * print-tree.c (print_node): Likewise.
4538 * tree.h (BLOCK_NUMBER): Likewise.
4539 (struct tree_block): Likewise.
4541 2001-03-12 David Edelsohn <edelsohn@gnu.org>
4543 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4544 __WCHAR_TYPE__ definition.
4545 (WCHAR_TYPE_SIZE): #undef before #define.
4547 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4549 * cppfiles.c: Update comments.
4550 (destroy_include_file_node): Rename destroy_node.
4551 (find_or_create_entry): New function.
4552 (open_file, _cpp_fake_include): Use it.
4553 (handle_missing_header): New function, broken out of
4554 _cpp_execute include. Don't segfault if there is no
4555 system or quoted path.
4556 (_cpp_execute_include): Use handle_missing_header.
4558 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4560 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4561 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4563 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4565 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4566 unless anti_dependence says they are.
4567 * alias.c (objects_must_conflict): If neither has a type specified,
4568 they must conflict.
4570 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4571 David Billinghurst <David.Billinghurst@riotinto.com>
4573 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4575 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4577 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4578 (*_one_bit): Remove type on the match_operand in attributes.
4580 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4582 * i386.c: Commit forgotten hunk in previous patch.
4583 (regclass_map): Add extended registers.
4584 (dbx_register_map): Add missing frame register.
4586 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4588 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4590 * i386.md (x86_sahf_1): Disable for 64bit.
4591 (popsi*, pophi*): Likewise.
4592 (pushqi, pushhi): Likewise.
4593 (movdi, pushdi): Likewise.
4594 (zero extend DImode splitter): Likewise.
4595 (adddi, minusdi splitter): Likewise.
4596 (umulsidi): Likewise.
4597 (umulsi): New.
4598 (mulsidi): Disable for 64bit
4599 (lshift:DI/ashift:DI): Disable for 64bit.
4600 (loop patterns): Likewise.
4601 (call_pop, call_value_pop expanders and patterns): Likewise.
4602 (prologue_get_pc): Likewise.
4603 (leave): Likewise.
4604 (fcmovDI pattern and splitter): Likewise.
4605 (movdfcc_1_rex64): New.
4607 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4609 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4610 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4611 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4612 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4613 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4614 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4615 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4616 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4617 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4618 (REGPARM_MAX): Set to 6 for x86_64.
4619 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4620 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4621 registers.
4623 * (patterns that does use upper halves): Update constraints
4624 'q' to 'Q' and 'r' to 'R'.
4625 (cmpqi_ext_1): Disable for 64bit.
4626 (cmpqi_ext_3_insn): Likewise.
4627 (movqi_extzv_1): Likewsie.
4628 (addqi_ext_1): Liekwsie
4629 (testqi_ext_1): Liekwsie
4630 (andqi_ext_1): Liekwsie
4631 (xorqi_ext_1): Liekwsie
4632 (cmpqi_ext_1_rex64): New.
4633 (cmpqi_ext_3_insn_rex64): Likewise.
4634 (movqi_extzv_1_rex64): Likewsie.
4635 (addqi_ext_1_rex64): Liekwsie
4636 (testqi_ext_1_rex64): Liekwsie
4637 (andqi_ext_1_rex64): Liekwsie
4638 (xorqi_ext_1_rex64): Liekwsie
4640 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4642 * configure.in: Move check for unsigned enumerated bitfields
4643 to macro in aclocal.m4. Disable it for now.
4644 * configure, config.in: Regenerate.
4645 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4646 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4647 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4648 kind above its first use.
4650 * config/xm-interix.h, config/alpha/xm-alpha.h,
4651 config/i370/xm-linux.h, config/i386/xm-beos.h,
4652 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4653 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4654 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4655 Don't define ONLY_INT_FIELDS under any circumstances.
4657 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4659 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4660 config/sparc/xm-sysv4.h: Delete - now identical with some
4661 other xm header.
4662 * config.gcc (hppa targets): Replace xm-pahpux.h and
4663 xm-papro.h with implicit xm-pa.h.
4664 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4665 xm-sparc.h.
4667 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4669 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4670 before reload_cse_noop_set_p.
4672 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4674 * config.gcc: Where xm-host.h used to include another
4675 xm-host.h, list the nested header directly in xm_file. Remove
4676 references to deleted files. Can now use sparc/xm-sp64.h for
4677 sparcv9-*-solaris*.
4679 * config/xm-linux.h, config/arm/xm-linux.h,
4680 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4681 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4682 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4683 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4684 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4685 Delete.
4687 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4688 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4689 bother to wrap #undef in #ifdef.
4690 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4691 Don't include xm-linux.h.
4692 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4694 * configure.in: Wrap regexps using [] in changequote block.
4695 Use expr : not echo | grep. Simplify regexps.
4696 * configure: Regenerate.
4698 56 xm-files remain, 22 xm-arch.
4700 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4702 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4703 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4704 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4705 (copy_object): Fix format specifier vs argument mismatch.
4707 * mips-tdump.c: Make local functions static.
4708 (rindex): Don't #undef.
4709 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4710 (fatal, fancy_abort): Delete.
4711 (read_seek): Avoid signed/unsigned compare.
4713 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4715 * combine.c (try_combine): Fix error in change to try original
4716 register.
4717 (gen_rtx_combine): Do same as gen_rtx for now.
4719 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4721 * configure.in: AC_SUBST xm_defines.
4722 * configure: Regenerate.
4723 * Makefile.in: Set DEFINES=$(xm_defines) when building
4724 tconfig.h.
4726 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4728 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4729 (cpp_included, find_include_file): Update.
4730 (_cpp_compare_file_date): Make else unconditional.
4732 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4734 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4736 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4738 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4739 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4741 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4743 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4744 if it's a record type.
4746 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4748 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4749 mingw includes slightly.
4751 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4753 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4754 #undef token before poisoning it.
4756 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4758 * alpha.c (check_float_value): Use memcpy, not bcopy.
4760 * m32r.c (m32r_sched_reorder): Likewise.
4762 * vax.c (check_float_value): Likewise.
4764 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4766 * toplev.c (file_name_nondirectory): Remove.
4767 * toplev.h: Similarly.
4768 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4769 of file_name_nondirectory.
4771 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4773 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4774 * mips-tfile.c: Don't #undef rindex; not used.
4776 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4778 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4779 (dbx64_register_map): Declare.
4780 (RETURN_ADDR_RTX): Fix for 64bit.
4781 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4782 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4783 * i386.c (dbx64_register_map): New global array.
4784 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4785 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4786 for 64bits.
4788 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4790 * cppfiles.c (search_from): Use lbasename.
4791 * mkdeps.c (deps_add_default_target): Use lbasename.
4793 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4795 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4796 xcalloc in lieu of malloc, realloc & calloc.
4798 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4800 * gengenrtl.c (xmalloc): Likewise.
4802 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4803 really_call_* memory allocation routines.
4805 * stmt.c (check_for_full_enumeration_handling): Use
4806 really_call_calloc, not calloc.
4808 * system.h (really_call_malloc, really_call_calloc,
4809 really_call_realloc): Define.
4810 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4812 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4814 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4816 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4818 * configure: Rebuilt.
4819 * configure.in: Only use `lang_requires' for languages athat are
4820 actually enabled.
4822 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4824 * invoke.texi: Fix typo.
4825 * gcc.1: Regenerate.
4827 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4829 * configure.in: Prune nonexistent files from build_xm_file,
4830 xm_file, and host_xm_file lists. Warn unless they're
4831 $cpu/xm-$cpu.h.
4832 Don't generate *config.h here.
4833 AC_SUBST all variables needed to generate *config.h.
4834 * configure: Regenerate.
4835 * mkconfig.sh: New helper script, from code removed from
4836 configure.in.
4837 * Makefile.in: Zap all MALLOC variables - no longer used
4838 anywhere, and malloc.c doesn't exist.
4839 Substitute in variables needed to generate *config.h.
4840 Stop lying about the dependencies contained in CONFIG_H and
4841 GCONFIG_H.
4842 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4843 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4844 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4845 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4846 $(TM_P_H), etc. as appropriate.
4848 * config.gcc: Zap references to deleted files.
4849 * ggc-none.c: Don't include rtl.h or tm_p.h.
4851 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4852 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4853 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4854 config/i386/xm-linux.h, config/i386/xm-linux.h,
4855 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4856 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4857 Don't include i386/xm-i386.h.
4859 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4860 config/i386/xm-i386.h, config/i860/xm-i860.h,
4861 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4862 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4863 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4864 Delete (empty except comments, #includes of other deleted
4865 files, and macros used nowhere).
4867 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4869 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4870 independent on TARGET_FLAGS.
4872 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4874 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4876 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4877 extended ones.
4878 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4879 TARGET_64BIT.
4880 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4881 LAST_REX_SSE_REG): define.
4882 (enum reg_class): Add 'LEGACY_REGS'
4883 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4884 (SSE_REGNO_P): Recognize extended registers.
4885 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4886 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4887 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4888 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4889 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4890 REG_OK_FOR_STRREG_P): Remove.
4891 (HI_REGISTER_NAMES): Add extended registers.
4892 (ADDITIONAL_REGISTER_NAMES): Likewise.
4893 (QI_REGISTER_NAMES): Add 8bit extended registers.
4894 (DEBUG_REG): Support extended registers.
4895 * i386.c (regclass_map): Add extended registers.
4896 (dbx_register-map): Likewise.
4897 (svr4_dbx_register_map): Likewise.
4898 (print_reg): Support extended registers.
4899 (print_operand): Support 64bit operands.
4901 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4903 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4904 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4905 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4906 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4907 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4908 STACK_BOUNDARY): Set properly for 64bits.
4909 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4910 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4911 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4912 (MOVE_MAX): Set to 16.
4913 (MOVE_MAX_PIECES): 8 for 64bit.
4914 (Pmode): Set to SImode.
4916 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4918 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4920 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4922 * i386.h (mask_64bit): New constant.
4923 (target_64bit): New macro.
4924 (target_options): Add '64'/'32'
4925 (target_default): Define.
4926 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4927 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4928 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4930 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4932 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4934 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4936 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4937 LO_SUM unless for_alias is set.
4939 2001-03-08 Stan Shebs <shebs@apple.com>
4941 * objc/objc-act.c: Fix old typos in comments, add comments for
4942 various functions.
4943 (hash_init): Fix file name in error message.
4944 (hash_enter): Ditto.
4945 (hash_add_attr): Ditto.
4946 (continue_class): Ditto.
4948 2001-03-08 Bruce Korb <bkorb@gnu.org>
4950 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4951 wait4() can receive the signal.
4953 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4955 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4956 entities.
4957 * fixinc/fixincl.x: Regenerate.
4959 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4961 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4962 on Tru64 UNIX.
4963 * fixinc/fixincl.x: Regenerate.
4965 2001-03-08 Richard Henderson <rth@redhat.com>
4967 * configure.in (HAVE_AS_LEB128): New assembler check.
4968 * configure, config.in: Rebuilt.
4970 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4972 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4973 TFmode too.
4975 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4977 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4978 references to the MAXPATHLEN macro.
4980 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4981 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4982 the POSIX macro.
4984 * config/i386/xm-gnu.h, config/xm-gnu.h,
4985 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4986 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4987 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4988 and/or unused files.
4990 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4991 doing so in various xm-*.h files.
4993 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4995 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4997 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4999 * configure.in (enable_shared): Support per-package shared-library
5000 enabling.
5001 * configure: Rebuilt.
5003 2001-03-07 David Edelsohn <edelsohn@gnu.org>
5005 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5006 for crnot. Set operands[5] in splitter.
5008 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5010 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5011 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5012 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5013 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5014 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5015 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5016 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5017 to the USG macro.
5019 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5020 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5021 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
5022 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
5023 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
5024 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
5025 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
5026 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
5027 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
5028 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
5029 Delete unused and/or empty files.
5031 * config.gcc: Define USG in xm_defines as appropriate. Define
5032 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
5033 macro. Remove deleted xm-* files from $xm_files variable.
5035 2001-03-07 Tom Tromey <tromey@redhat.com>
5037 * configure: Rebuilt.
5038 * configure.in: Allow config-lang.in to set `lang_requires' to list
5039 of other required languages.
5041 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
5043 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
5044 after its emitted.
5045 (output_prologue): Use xmalloc not oballoc.
5046 (output_epilog): Free a29k_first_epilogue_insn when finished.
5047 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
5049 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
5051 * builtins.c (expand_builtin_mathfn): Check
5052 flag_unsafe_math_optimizations, not flag_fast_math.
5053 (expand_builtin): Likewise
5054 * combine.c (combine_simplify_rtx): Likewise.
5055 (simplify_if_then_else): Likewise.
5056 * cse.c (fold_rtx): Likewise.
5057 * flags.h: Remove flag_fast_math. Add
5058 flag_unsafe_math_optimizations and flag_trapping_math.
5059 * fold-const.c (negate_expr): Check
5060 flag_unsafe_math_optimizations, not flag_fast_math.
5061 (invert_truthvalue): Likewise.
5062 (fold): Likewise. Before associating operands, check that
5063 code == MULT_EXPR, not code != MULT_EXPR.
5064 * ifcvt.c (noce_try_minmax): Check
5065 flag_unsafe_math_optimizations, not flag_fast_math.
5066 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
5067 * invoke.texi: Document -funsafe-math-optimizations and
5068 -fno-trapping-math. Change documentation for -ffast-math.
5069 * jump.c (reversed_comparison_code_parts): Likewise.
5070 (rtx_equal_for_thread_p): Likewise.
5071 * optabs.c (emit_conditional_move): Likewise.
5072 * simplify-rtx.c (simplify_binary_operation): Likewise.
5073 (simplify_relational_operation): Likewise.
5074 (simplify_ternary_operation): Likewise.
5075 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5076 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5077 Add trapping-math and unsafe-math-optimizations entries to f_options.
5078 (set_fast_math_flags): New, sets flags for -ffast-math.
5079 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5080 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5081 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5083 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5084 (alpha_emit_conditional_move): Initialize local_fast_math to
5085 flag_unsafe_math_optimizations, not flat_fast_math.
5086 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5087 instead of setting flag_fast_math to 1.
5088 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5089 not flag_fast_math.
5090 * config/i386/i386.c (override_options): Likewise
5091 * config/i386/i386.md: Likewise.
5092 * config/m68k/m68k.md: Likewise.
5093 * config/mips/mips.md: Likewise.
5094 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5095 (rs6000_generate_compare): Likewise.
5097 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5099 * Makefile.in: Set RANLIB to @RANLIB@.
5100 Remove RANLIB_TEST.
5102 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5104 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5105 * fixinc/fixincl.x: Regenerated.
5107 2001-03-07 Richard Henderson <rth@redhat.com>
5109 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5111 2001-03-07 Richard Henderson <rth@redhat.com>
5113 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5114 of block notes and exception handling notes.
5116 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5117 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5118 (compile_file): ... here.
5120 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5122 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5124 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5125 config.h now. Include libiberty.h to handle alloca.
5127 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5129 * c-parse.in (yylexname): New function, split out of _yylex.
5130 (objc_rid_sans_at): New table.
5131 (init_reswords): Initialize it.
5132 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5133 retrieving the next token and checking it for significance as
5134 an ObjC keyword or string constant.
5136 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5137 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5139 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5140 to CPP_OSTRING.
5142 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
5144 * config/m68k/m68k.c (const_uint32_operand): Accept any
5145 const_int on a 32-bit host.
5147 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5149 * objc/objc-act.c (init_objc): Set save_lang_status,
5150 restore_lang_status, and mark_lang_status.
5152 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5154 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5156 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5158 * cppinternals.texi: Update.
5160 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5162 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5163 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5164 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5165 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5166 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5167 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5168 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5169 config/i386/xm-i386.h, config/i860/xm-i860.h,
5170 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5171 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5172 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5173 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5174 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5175 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5176 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5177 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5178 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5179 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5180 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5181 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5182 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5183 match the defaults provided in hwint.h.
5185 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5186 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5188 * config.gcc (xm_file): Don't set to files which are deleted.
5190 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5191 guard this file against these macros being undefined.
5193 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5195 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5196 and DECL_DEFER_OUTPUT on the decl we create, before calling
5197 rest_of_decl_compilation.
5199 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5201 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5202 AC_FUNC_ALLOCA.
5203 * configure, config.in: Regenerate.
5204 * config.gcc: Remove references to deleted files.
5206 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5207 genrecog.c, rtl.c: Do not use alloca anywhere.
5209 * Makefile.in, build-make, system.h, config/x-interix,
5210 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5211 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5212 config/arc/xm-arc.h, config/arm/xm-arm.h,
5213 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5214 config/h8300/xm-h8300.h, config/i370/x-oe,
5215 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5216 config/i386/x-ncr3000, config/i386/x-sco5,
5217 config/i386/xm-dgux.h, config/i860/x-sysv4,
5218 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5219 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5220 config/m68k/x-hp320g, config/m69k/x-mot3300,
5221 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5222 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5223 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5224 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5225 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5226 config/mips/x-iris, config/mips/x-iris3,
5227 config/mips/x-sni-svr4, config/mips/x-sysv,
5228 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5229 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5230 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5231 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5232 config/pa/xm-papro.h, config/romp/xm-romp.h,
5233 config/rs6000/x-aix31, config/rs6000/x-aix41,
5234 config/rs6000/x-beos, config/rs6000/x-lynx,
5235 config/rs6000/x-mach, config/rs6000/x-rs6000,
5236 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5237 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5238 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5239 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5240 config/vax/xm-vms.h: Eradicate all references to alloca and
5241 related stuff.
5243 * config/xm-alloca.h, config/clipper/x-clix,
5244 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5245 config/i860/x-sysv3, config/m88k/x-sysv3,
5246 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5247 (contained only alloca related hacks).
5249 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5250 USE_C_ALLOCA.
5252 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5254 * invoke.texi: Document __FAST_MATH__.
5256 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5258 * crtstuff.c: Restore include of auto-host.h.
5260 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5262 Put main() in a separate file, so that the language
5263 front-end can use a different main().
5265 * main.c: New.
5266 * toplev.c: (main): Rename as toplev_main.
5267 * toplev.h: Declare toplev_main.
5268 * Makefile.in (OBJS): add toplev.o.
5269 (BACKEND): remove toplev.o, add main.o.
5271 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5273 * cppfiles.c (search_from): Special case the empty string.
5275 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5277 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5278 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5279 strlen or strcpy; we already know the length.
5280 (_cpp_compare_file_date): Similarly.
5281 * cpphash.h (struct cpp_reader): Delete done_initialising.
5282 (CPP_PREV_BUFFER): Delete.
5283 * cppinit.c (cpp_start_read): Don't set done_initialising.
5284 * cpplex.c (parse_string): Guarantee null-termination.
5285 (_cpp_equiv_toklists): Remove.
5286 * cpplib.c (glue_header_name): Null-terminate.
5287 (do_line): Don't leak memory.
5288 * cpplib.h (BT_WEAK): Delete.
5289 * cppmain.c (cb_ident): Strings are now null-terminated.
5291 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5293 * gcc.c (convert_filename): Append executable suffix
5294 if NO_AUTO_EXE_SUFFIX is not defined.
5295 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5296 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5298 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5300 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5301 * c-parse.gperf, c-gperf.h: Delete.
5302 (c-gperf.h was accidently re-added to the CVS repo in the rev
5303 1.16 commit by tromey)
5305 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5307 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5308 macro arguments when looking for the '('.
5309 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5310 2 when really parsing arguments; 1 when looking for '('.
5311 Always restore the lexer position.
5313 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5315 * longlong.h (umul_ppmm): Don't use a multiline string.
5317 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5319 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5320 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5321 t_bool in declaration because pcc can't combine volatile with typedef
5322 types.
5324 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5326 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5327 until when it is really needed.
5328 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5329 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5330 * i386.md (float?i?f splitter): Don't force source operand to memory
5331 for SSE.
5332 (sse_movdfcc): Fix constraint.
5333 (sse_movdfcc splitter): Handle properly the second alternative.
5335 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5337 * cpplex.c (parse_string): Unconditionally pedwarn.
5339 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5341 * cpp.texi: Update.
5342 * cppexp.c (parse_number): Update.
5343 * cpplex.c (parse_string): Pedwarn if multiline string does not
5344 result from a system header's macro.
5345 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5346 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5347 for function-like macros too.
5348 * c-lex.c (lex_number): Update.
5350 2001-03-03 Richard Henderson <rth@redhat.com>
5352 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5354 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5356 * combine.c (try_combine): If split with mode-changed scratch
5357 register didn't work, try the original mode.
5359 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5361 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5362 * config/c4x/c4x.h: Likewise.
5363 * stor-layout.c (compute_record_mode): Likewise.
5364 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5366 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5368 * configure.in: Kill tm.h. Include the files in the $tm_file
5369 list in all three of config.h, hconfig.h, tconfig.h, after the
5370 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5371 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5372 * configure: Regenerate.
5373 * Makefile.in (clean): Don't delete tm.h.
5375 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5376 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5377 those are not defined, set SEC and FEC to 0 and 1.
5378 * gcc.texi: Update to match.
5380 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5381 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5382 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5383 Include tconfig.h, not tm.h.
5385 * config/xm-lynx.h, config/xm-std32.h,
5386 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5387 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5388 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5389 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5390 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5391 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5392 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5393 config/i386/xm-i386.h, config/i860/xm-i860.h,
5394 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5395 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5396 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5397 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5398 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5399 config/pa/xm-linux.h, config/pa/xm-pa.h,
5400 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5401 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5402 config/pj/xm-pj.h, config/romp/xm-romp.h,
5403 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5404 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5405 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5406 config/v850/xm-v850.h, config/vax/xm-vax.h,
5407 config/we32k/xm-we32k.h:
5408 Don't include tm.h.
5409 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5411 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5412 config/i370/xm-oe.h: Don't include tm.h. Don't define
5413 SUCCESS_EXIT_CODE.
5414 * config/vax/xm-vms.h: Don't include tm.h.
5416 * config/xm-lynx.h, config/avr/xm-avr.h,
5417 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5418 Delete; made empty by above changes.
5419 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5420 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5421 Don't include config/xm-lynx.h or tm.h.
5423 * config/xm-gnu.h: Don't include fcntl.h.
5424 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5425 sys/wait.h.
5426 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5428 2001-03-02 Richard Henderson <rth@redhat.com>
5430 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5431 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5433 2001-03-02 Richard Henderson <rth@redhat.com>
5435 * Makefile.in (OBJS): Add dwarf2asm.o.
5436 * dwarf2asm.c, dwarf2asm.h: New files.
5437 * dwarf2out.c (*): Use them.
5438 (size_of_uleb128, size_of_sleb128): Remove.
5439 (output_uleb128, output_sleb128): Remove.
5440 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5441 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5442 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5443 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5444 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5445 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5446 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5447 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5448 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5449 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5450 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5451 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5452 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5453 (dwarf2out_frame_debug): Remove unused variables.
5454 (output_loc_operands): Don't abort on 8 byte constants if
5455 host integers are wide enough.
5456 (output_symbolic_ref): Remove.
5457 (size_of_die): Don't assume 4 byte host integers.
5458 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5459 and end labels.
5460 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5461 something stupid with HOST_WIDE_INT to long truncation.
5462 [CONST_DOUBLE]: Likewise.
5464 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5465 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5466 * config/arm/unknown-elf.h: Likewise.
5467 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5468 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5469 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5470 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5471 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5472 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5473 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5474 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5475 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5476 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5477 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5478 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5480 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5482 * cselib.c (hash_rtx): Cast enums to unsigned int.
5484 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5486 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5487 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5488 shifts.
5489 * c-format.c (C_STD_VER): Cast to int for comparisons.
5490 (check_function_format): Cast various enums to int for &.
5491 (maybe_read_dollar_number): Likewise.
5492 (check_format_info): Likewise.
5493 (check_format_info_main): Likewise.
5494 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5495 (safe_from_p): Likewise.
5496 * varasm.c (const_hash): Cast enum to int for %.
5497 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5498 pcc enum problems with < and ++ operators.
5499 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5500 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5501 (regclass_init): Change enum class to int to iterate over reg_classes.
5502 * genrecog.c (merge_trees): Cast enums for comparison.
5503 * rtl.h (GET_CODE): Cast to enum rtx_code.
5504 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5505 (GET_MODE): Cast to enum machine_mode.
5506 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5507 (GET_NOTE_INSN_NAME): Cast enum to int.
5508 * tree.h (TREE_CODE): Cast to enum tree_code.
5509 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5510 * timevar.c (timevar_print): Change loop variable id from enum to
5511 unsigned int.
5512 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5513 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5514 * toplev.c (compile_file): Cast enum DFI to int.
5515 (decode_d_option): Likewise.
5517 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5519 * cppinit.c (append_include_chain): Mark "after" include file name list
5520 as a system directory.
5521 * cpp.texi: Document new behavior.
5523 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5525 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5527 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5529 * cppfiles.c (struct include_file): Update.
5530 (stack_include_file): Use search_from.
5531 (cpp_included, find_include_file): Update.
5532 (cpp_execute_include): Update. ptr->name may not be
5533 null terminated. Use the new search_from member variable
5534 of cpp_buffer.
5535 (_cpp_compare_file_date): Similarly.
5536 (search_from): New function, similiar to actual_directory.
5537 (actual_directory): Delete.
5538 (remap_filename): Update. loc->name may not be null terminated.
5539 (struct file_name_list): Rename search_path. Update.
5540 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
5541 search_from and dir.
5542 (struct cpp_reader): Remove actual_dirs.
5543 * cppinit.c (struct cpp_pending): Update for renamed objects.
5544 (append_include_chain, remove_dup_dir, remove_dup_dirs,
5545 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
5546 * cpplib.h (struct cpp_options): Similarly.
5548 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5550 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
5551 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
5552 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5553 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5554 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5555 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5556 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5557 config/i370/xm-linux.h, config/i370/xm-mvs.h,
5558 config/i370/xm-oe.h, config/i386/xm-aix.h,
5559 config/i386/xm-i386.h, config/i386/xm-osf.h,
5560 config/i860/xm-i860.h, config/i960/xm-i960.h,
5561 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5562 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5563 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5564 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5565 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5566 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5567 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5568 config/pj/xm-pj.h, config/romp/xm-romp.h,
5569 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5570 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5571 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5572 config/v850/xm-v850.h, config/vax/xm-vax.h,
5573 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5574 Do not define TRUE or FALSE.
5576 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5577 empty by above change.
5578 * config.gcc: Remove references to these files.
5580 * configure.in: Detect stdbool.h.
5581 * configure, config.in: Regenerate.
5582 * system.h: Include stddef.h here if available.
5583 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5584 Then set up a sensible boolean type at the very end.
5586 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5587 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5589 * hash.h: Delete 'boolean' typedef and related #undefs.
5591 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5592 all uses of 'boolean' with 'bool'.
5594 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5596 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5597 * cppexp.c (lex): Cast enums for comparison.
5598 * cppinit.c (parse_option): Cast enum for comparison.
5599 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5600 (cpp_output_token): Likewise.
5601 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5602 (cpp_avoid_paste): Cast enums for minus and comparison.
5604 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5606 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5607 field to all array elements.
5609 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5611 * cpphash.h (struct cpp_reader): Add print_version field.
5612 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5613 just set print_version and other flags as appropriate.
5614 (cpp_post_options): Print version here if print_version is set.
5616 * toplev.c (exit_after_options): New flag.
5617 (independent_decode_option): Don't exit here; just set
5618 exit_after_options.
5619 (main): Exit after calling lang_hooks.post_options if
5620 exit_after_options is true.
5622 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5623 (merge_include_chains): Adjust comment to match code.
5625 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5627 * stringpool.c (set_identifier): New function.
5628 * tree.h: Prototype it.
5630 * c-parse.in: Kill D_YES. If compiled for objc, call
5631 save_and_forget_protocol_qualifiers from init_reswords.
5632 * objc/objc-act.c (remember_protocol_qualifiers,
5633 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5634 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5635 vice versa.
5636 (save_and_forget_protocol_qualifiers): New function.
5637 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5639 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5641 * c-semantics.c (prune_unused_decls): Return error_mark_node
5642 instead of (tree) 1 to stop traversing the tree chain.
5644 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5646 Fix a problem introduced by Kenner's Feb 18 change.
5647 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5648 flag_cse_skip_blocks only temporarily, not for ever.
5650 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5652 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5653 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5655 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5656 before determining its register class.
5658 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5660 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5661 from reg 4 if current_function_calls_setjmp.
5662 (gen_nop_type): New function.
5663 (ia64_emit_nops): New function.
5664 (ia64_reorg): Call it.
5665 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5667 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5668 code not to try to optimize adds with anything but a REG destination.
5670 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5671 (INSN_PRIORITY_KNOWN): New accessor macro.
5672 * haifa-sched.c (priority): Use it instead of testing priority against
5673 zero.
5675 2001-02-28 DJ Delorie <dj@redhat.com>
5677 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5678 since that doesn't work the way gcc wants on a generic m68k.
5680 2001-02-28 Richard Henderson <rth@redhat.com>
5682 * caller-save.c (save_call_clobbered_regs): Fix typo in
5683 comparison last change.
5685 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5687 * i386.c (pentium4_cost): New.
5688 (m_PENT4): New macro.
5689 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5690 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5691 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5692 x86_memory_mismatch_stall): Add Pentium4
5693 (x86_use_q_reg, x86_use_any_reg): Kill.
5694 (override_options): Add pentium4.
5695 (incdec_operand): Return 0 for pentium4.
5696 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5697 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5698 (TARGET_PENTIUM4): Define.
5699 (enum processor_type): Add PROCESSOR_PENTIUM4.
5700 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5701 * i386.md (attribute "cpu"): Add pentium4.
5702 * invoke.texi (march): Add pentium4.
5704 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5706 * i386.md (sse_mov?fcc*): New patterns and splitters.
5707 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5708 the SSE based conditional moves.
5710 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5712 * i386.md (attribute mode): Add "TI".
5713 (movsf_1): Add pxor support; remove constant propagation splitter.
5714 (movdf_integer): Likewise.
5715 (movdf_nointeger): Likewise.
5716 (movxf constant prop splitter): Handle all modes; update for SSE.
5717 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5718 * i386.c (standard_80387_constant_p): Rewrite.
5719 (standard_sse_constant_p): New.
5720 * i386-protos.h (standard_sse_constant_p): New.
5722 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5724 * i386.md (sse_setccsf, sse_setccdf): New.
5725 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5726 flag directly.
5727 * i386.c (sse_comparison_operator): Accept the supported unordered
5728 comparses; be ready for fast_math.
5729 (print_operand): Support 'D'.
5731 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5733 * jump.c (reversed_comparison_code): Kill.
5735 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5737 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5738 for STACK_REGS
5740 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5742 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5743 add missing '%' in constraints.
5745 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5747 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5748 for HOST_BITS_PER_WIDE_INT == 32 too.
5750 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5752 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5753 NREGS.
5754 (insert_save, insert_restore): New parameter save_mode.
5755 (init_caller_save): Update initialization of reg_save_code
5756 and reg_restore_code.
5757 (save_call_clobbered_regs): Compute save_modes and update calls to
5758 reg_save_code and reg_restore_code.
5759 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5760 of spill; update use of reg_restore_code.
5761 (insert_save): Likewise.
5762 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5763 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5764 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5766 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5768 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5769 noce_try_store_flag_inc, noce_try_store_flag_mask,
5770 noce_try_cmove_arith):
5771 Use reversed_comparison_code instead of reverse_comparison and
5772 can_reverse_comparison_p.
5774 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5776 * jump.c (reversed_comparison_code_parts): Allow reversal of
5777 unordered compares in -ffast-math mode; reverse ordered compares
5778 for FP even w/o -ffast-math.
5780 2001-02-27 Richard Henderson <rth@redhat.com>
5782 * print-rtl.c (print_rtx) [i]: Don't print field five on
5783 NOTEs other than NOTE_INSN_DELETED_LABEL.
5785 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5787 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5788 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5790 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5792 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5793 even if walk_subtrees is 0.
5794 * c-semantics.c (prune_unused_decls): Return a non-null value to
5795 stop traversing the tree chain.
5797 2001-02-27 DJ Delorie <dj@redhat.com>
5799 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5800 register, *then* define it as the new CFA.
5802 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5804 * pa.c (override_options): Promote -fpic to -fPIC.
5805 (legitimize_pic_address): Simplify due to removal of
5806 small PIC as a code generation option.
5807 (secondary_reload_class): Similarly.
5808 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5809 (PRINT_OPERAND_ADDRESS): Similarly.
5810 * pa.md (various patterns): Similarly.
5811 (small pic lo_sum pattern): Remove.
5813 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5814 Fergus Henderson
5816 * md.texi (min, max): Document
5818 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5820 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5821 TARGET_PARTIAL_REG_DEPENDENCY.
5822 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5824 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5826 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5828 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5830 * mips.c (mips_make_temp_file): Fix thinko in last change.
5832 2001-02-26 Jason Eckhardt <jle@redhat.com>
5834 * combine.c (known_cond): Do not reverse the condition when
5835 SMAX/UMAX is being considered and the condition is for equality
5836 or inequality.
5838 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5840 2001-02-26 Philip Blundell <philb@gnu.org>
5842 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5843 "armv2-*-linux".
5844 * config/arm/linux-elf.h: Remove historical relics related to
5845 above configurations.
5846 * config/arm/linux-oldld.h: Delete.
5847 * config/arm/linux-elf26.h: Delete.
5849 2001-02-26 Jason Merrill <jason@redhat.com>
5851 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5852 definitions.
5853 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5854 recognize a tentative definition. Lose obsolete code.
5856 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5857 variables unless necessary, either.
5859 2001-02-25 Richard Henderson <rth@redhat.com>
5861 * ifcvt.c (struct noce_if_info): Add test_bb.
5862 (noce_get_alt_condition): New.
5863 (noce_try_minmax, noce_try_abs): New.
5864 (noce_operand_ok): New.
5865 (noce_process_if_block): Use them.
5866 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5868 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5870 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5871 include.
5873 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5875 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5876 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5877 properly.
5878 (mips_asm_file_end): Free temp_filename here.
5880 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5882 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5883 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5885 * config/i386/i386.md (movstrsi): Handle FAIL case.
5887 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5889 * cppinit.c (builtin_array): Update.
5890 (init_builtins): Flag builtins to warn if redefined or
5891 undefined. Define __GXX_WEAK as a normal macro.
5892 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5893 * cpplib.h (NODE_WARN): New flag.
5894 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5895 Handle __STDC__ as a builtin only on Solaris.
5896 (warn_of_redefinition): Renamed from check_macro_definition.
5897 Reverse sense of test. Always warn if NODE_WARN.
5898 (_cpp_create_definition): Use warn_of_redefinition. Flag
5899 any macro beginning with "__STDC_" to require a mandatory
5900 warning if redefined or undefined.
5902 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5904 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5905 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5906 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5907 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5908 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5909 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5910 Don't define any of:
5911 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5912 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5913 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5914 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5915 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5917 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5918 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5919 definitions.
5921 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5922 Delete now-empty file.
5924 * alpha/vms.h: Define NEED_ATEXIT here...
5925 * alpha/xm-vms.h: ...not here.
5927 * i386/cygwin.h: Don't define PARAMS.
5928 * mips/mips.c: Don't prototype mktemp. Don't define
5929 P_tmpdir. Use make_temp_file to create temporary files.
5930 Don't be clever and delete temporary files early.
5931 * config.gcc: Drop references to deleted files. Don't define
5932 FULL_PROTOTYPES.
5933 * gcc.texi: Don't mention USE_PROTOTYPES.
5935 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5937 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5938 (ix86_set_move_mem_attrs_1): Likewise.
5939 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5940 * config/i386/i386.md (movstrsi): Call it.
5942 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5944 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5945 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5946 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5947 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5949 (i750a-*-*): Error here if hosting on i750a.
5950 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5952 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5953 Remove (empty modulo comments).
5955 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5956 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5957 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5958 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5959 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5960 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5962 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5963 Remove reference to winnt.h in comment.
5964 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5966 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5968 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5969 used to set another biv.
5971 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5973 * tree.h (BLOCK_DEAD): New macro.
5974 (struct tree_block): New flag, dead_flag.
5975 * print-tree.c (print_node, case 'b'): Print missing fields.
5976 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5977 * function.c (identify_blocks): Enable test for misplaced notes.
5978 (all_blocks): Skip BLOCK_DEAD blocks.
5979 * integrate.c (integrate_decl_tree): Likewise.
5981 * errors.c (internal_error, trim_filename): New functions.
5982 (fancy_abort): Call internal_error.
5983 * errors.h (internal_error, trim_filename): New declarations.
5985 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5987 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5988 2000-08-26's patch.
5989 (EXTRA_CONSTRAINT): Formatting changes.
5991 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5993 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5995 2001-02-23 Per Bothner <per@bothner.com>
5997 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5998 so they can be called from java/jvspec.c.
5999 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6001 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6003 * i386.c (ix86_frame): New structure.
6004 (ix86_compute_frame_size): Kill.
6005 (ix86_compute_frame_layout): New.
6006 (ix86_save_reg): New.
6007 (ix86_can_use_return_insn_p): Use frame layout stuff.
6008 (ix86_expand_prologue): Likewise.
6009 (ix86_expand_epilogue): Likewise.
6010 (ix86_initial_elimination_offset): Likewise.
6011 (ix86_nsaved_regs): Use ix86_save_reg.
6012 (ix86_emit_save_regs): Likewise.
6014 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6016 * flow.c (find_sub_basic_blocks): New function.
6017 (split_block): Be ready for basic block introduced by CODE_LABEL.
6018 (commit_one_edge_insertion): Call find_sub_basic_block.
6020 * flow.c (make_edges): Add edge from entry for blocks starting with
6021 label having ALTERNATE_NAME
6023 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
6025 * function.c (epilogue_done): Be ready for first basic block not
6026 containing PROLOGUE_END note.
6027 (reposition_prologue_and_epilogue_notes): Avoid placing
6028 PROLOGUE_END note between BASIC_BLOCK.
6030 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
6032 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
6034 2001-02-21 DJ Delorie <dj@redhat.com>
6036 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
6037 check for current_function_has_nonlocal_goto from 1999-11-12.
6039 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6041 * diagnostic.c (trim_filename): No longer static.
6042 * toplev.h (trim_filename): Declare.
6043 * rtl.c (rtl_check_failed_bounds): Call internal_error.
6044 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
6045 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
6046 (rtvec_check_failed_bounds): Likewise.
6047 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
6049 * convert.c (convert_to_integer): Don't do unsigned unless result or
6050 both inputs are unsigned.
6052 * fold-const.c (fold_convert): Don't call size_int_type_wide if
6053 input overflows.
6055 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
6057 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
6059 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
6061 * Makefile.in (resource.o): Add params.h dependence.
6062 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
6063 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
6064 * resource.c: Add dependence on params.h.
6065 (current_live_regs): Fix explanatory comment.
6066 (find_basic_block): Add new parameter to permit limiting search
6067 for a BARRIER.
6068 (mark_target_live_regs): Add new argument to find_basic_block call.
6069 (incr_ticks_for_insn): Likewise.
6071 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6073 * diagnostic.c (output_to_stream): Rename to
6074 output_buffer_to_stream. Loses the stream parameter.
6075 (init_output_buffer): Set diagnosic_buffer's stream.
6076 (flush_diagnostic_buffer): Adjust.
6077 (default_print_error_function): Likewise.
6078 (finish_diagnostic): Likewise.
6079 (verbatim): Likewise.
6081 * diagnostic.h (struct output_buffer): Add `stream' field.
6082 (output_buffer_attached_stream): New macro.
6084 2001-02-23 Jakub Jelinek <jakub@redhat.com>
6086 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6087 check if either operand is divisible by C.
6088 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6089 If type is signed, consider negative numbers as well.
6091 2001-02-22 Richard Henderson <rth@redhat.com>
6093 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6094 reach .text instead of gp-relative relocs.
6095 * config/ia64/crtend.asm (.init): Likewise.
6097 2001-02-22 Andreas Jaeger <aj@suse.de>
6099 * extend.texi (C++ Attributes): Fix typo.
6101 2001-02-21 David Mosberger <davidm@hpl.hp.com>
6103 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6104 functions, drop current_function_args_info.words test.
6105 (ia64_compute_frame_size): Mark syscall_linkage functions as
6106 using eight input registers.
6108 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
6109 Bruce Korb <bkorb@gnu.org>
6111 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6112 * fixinc/README: Document how to convert sed substitutions
6113 to format style c_fix-es.
6114 * fixinc/fixincl.x: regen
6116 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6118 * gcc.c: Add comment explaining how to add a command-line option.
6119 Add title to specs language comment.
6121 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6123 * gcc.c (cc1_options): Add "-param".
6124 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6125 (option_map): Likewise.
6126 * toplev.c (display_help): Add entry for "--param".
6127 (independent_decode_option): Fix typographical error.
6129 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6130 Bernd Schmidt <bernds@redhat.com>
6131 Jan Hubicka <jh@suse.cz>
6133 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6134 (function_arg): Likewise.
6136 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6138 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6140 2001-02-21 Kazu Hirata <kazu@hxi.com>
6142 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6143 character.
6144 (xorsi3): Likewise.
6146 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6148 * flow.c (init_propagate_block_info): Canon address and use single_set
6149 for killing dead memory stores.
6151 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6153 * Makefile.in (reorg.o): Add params.h dependence.
6154 * params.def: Fix typographical error in comment.
6155 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6156 * params.h: Modify introductory comment.
6157 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6158 * reorg.c: Add dependence on params.h.
6159 (redundant_insn): Add parameterized throttle for search.
6160 (fill_simple_delay_slots): Add a comment explaining a variable.
6161 Move conditional out of loop, simplifying code.
6162 (fill_eager_delay_slots): Fix typographical error in comment.
6164 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6166 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6168 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6169 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6171 2001-02-21 Jason Merrill <jason@redhat.com>
6173 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6174 (struct tree_decl): Add uninlinable bitfield.
6175 * c-decl.c (duplicate_decls): Set it.
6176 * integrate.c (function_cannot_inline_p): Check it.
6178 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6179 DW_AT_MIPS_linkage_name to abstract methods.
6180 (dwarf2out_abstract_function): Emit class context before calling
6181 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6182 (gen_subprogram_die): Remove obsolete code.
6183 (gen_member_die): Don't include clones in the member list.
6184 (gen_decl_die): Emit abstract info for clone origin.
6185 * dwarfout.c (output_type): Don't include clones in the member list.
6186 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6187 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6188 DECL_ABSTRACT on a function that already has it set.
6190 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6191 (get_subprogram_die): Pass it in.
6193 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6195 * flow.c (mark_set_1): Make not_dead unsigned long. For
6196 non-pseudos, use it as a bitmask of the hard regs that
6197 don't die.
6199 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6201 * cppfiles.c: Update comments.
6202 (_cpp_read_file): Don't check for NULL filenames any more.
6203 * cppinit.c (cpp_start_read): Don't do canonicalization of
6204 in_fname and out_fname. Use the passed file name exclusively.
6205 (_cpp_handle_options): Don't treat "-" as a command line option,
6206 but as a normal filename.
6207 (_cpp_post_options): Canonicalize in_fname and out_fname.
6208 * cppmain.c (printer_init): Don't check out_fname for NULL.
6209 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6210 (init_c_lex): Update, and use "" to represent stdin to CPP.
6211 (yyparse): Update.
6213 2001-02-20 Will Cohen <wcohen@redhat.com>
6215 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6216 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6217 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6218 fixunstfsi_libfunc.
6220 2001-02-20 Stan Shebs <shebs@apple.com>
6222 * config/rs6000/rs6000.c (output_cbranch): Output branches
6223 on separate lines instead of using ';' to separate.
6225 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6227 * cppinit.c (set_lang): Move builtin handling to...
6228 (init_builtins): ...here.
6229 (_cpp_create_reader): Move call to set_lang.
6231 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6233 * stmt.c (expand_return): If an attempt is made to return the
6234 error_mar_node, treat the return like a return without a value.
6236 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6238 * sibcall.c (skip_copy_to_return_value): Call
6239 identify_call_return_value here, and return orig_insn if it
6240 returns zero. Hardret and softret arguments now unnecessary.
6241 (call_ends_block_p): Don't call identify_call_return_value here.
6243 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6244 's' slots in RTXen.
6245 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6246 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6248 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6250 * pa.c (move_operand): Accept code to load the address of a
6251 symbol out of the DLT as a valid move operand.
6252 (print_operand, case 'A'): New to handle generating a DLT
6253 reference for a LO_SUM expression.
6254 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6255 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6257 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6259 * README, cpp.texi, gcc.texi, version.c: Update version number to
6260 3.1.
6261 * cpp.1, gcov.1, gcc.1: Regenerate.
6263 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6265 * cppfiles.c (stack_include_file): Generate dependencies
6266 here, and manage include_count here too.
6267 (PRINT_THIS_DEP): Delete.
6268 (_cpp_execute_include): Do not generate dependencies here,
6269 apart from the case of a missing header. Do not manage
6270 include_count.
6271 (_cpp_read_file): Leave dependency generation to
6272 stack_include_file.
6274 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6276 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6277 target_cpu_default. Remove dead assignment to
6278 target_cpu_default.
6280 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6282 * regclass.c (contains_reg_of_mode): Make global.
6283 (init_reg_sets): Remove contains_reg_of_mode; take into account
6284 CLASS_MAX_NREGS when looking for the proper mode.
6285 (dump_regclass): Dump only classes considered for the pseudo.
6286 (regclass): Use contains_reg_of_mode.
6288 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6290 * gcc.c (do_spec_1): 'n' for printing notices.
6291 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6293 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6295 * reg-stack.c (next_flags_user): Use current_block->end
6296 (swap_rtx_condition): Look for next user if flags don't die;
6297 give up on CALL_INSNs; use current_block->end.
6299 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6301 * sibcall.c (call_ends_block_p): New function.
6302 (optimize_sibling_and_tail_recursive_call): Use it.
6304 2001-02-18 Kazu Hirata <kazu@hxi.com>
6306 * config/h8300/h8300.md: Update copyright.
6307 (andsi3): Do not output an extra newline character.
6309 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6311 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6312 FNDECL may be unused.
6314 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6315 follow jumps after first run.
6316 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6317 it doesn't change any jumps.
6319 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6321 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6322 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6323 (mostlyclean): Corresponding changes.
6324 * rtlanal.c (hard-reg-set.h): Include.
6325 (rtx_unstable_p): Do not treat the argument pointer specially
6326 if it is not a fixed register.
6327 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6329 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6331 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6332 against last real insn in basic block.
6333 Rework to avoid gotos.
6335 * Makefile.in (gcse.o): Now includes ggc.h.
6336 * gcse.c: Include ggc.h.
6337 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6338 (try_replace_reg): Remove warning of uninitialize variable.
6339 (process_insert_insn): Call invalid_insn_p to validate insn.
6340 * recog.c (insn_invalid_p): Now global.
6341 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6342 * recog.h (insn_invalid_p): New declaration.
6344 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6346 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6347 assignments from FP constants since 'Y' output code can't handle it.
6348 (eligible_for_sibcall_delay): Likewise.
6350 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6351 Call fancy_abort directly, passing args.
6352 (print_rtl_and_abort): Now a macro, like fancy_abort.
6354 * final.c (output_operand_lossage): Use internal_error, not error.
6356 2001-02-18 Shane Nay <shane@agendacomputing.com>
6358 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6359 structure shift insns.
6361 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6363 * invoke.texi (-fsquangle): Remove documentation.
6364 (-fname-mangling-version): Likewise.
6366 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6368 * optabs.c (expand_abs): Remove reference to
6369 HAVE_contitional_arithmetic.
6370 * combine.c (simplify_set): Likewise.
6372 2001-02-18 Richard Henderson <rth@redhat.com>
6374 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6375 would be disrupted.
6377 2001-02-18 Richard Henderson <rth@redhat.com>
6379 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6381 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6383 * reload1.c (reload_cse_simplify_set): Fix typo.
6385 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6387 * diagnostic.c (_fatal_insn): Decrement errorcount.
6389 * invoke.texi (-I): Add note avoiding use for system header files.
6391 * rtl.h (add_clobbers): Remove duplicate declaration.
6392 * recog.h (added_clobbers_hard_reg_p): New declaration.
6393 * genemit.c (struct clobber_pat): New field has_hard_reg.
6394 (gen_insn): Record if added clobbers clobber hard reg.
6395 (gen_split): Avoid unused warning if number of operands is 0.
6396 (output_added_clobbers_hard_reg_p): New function.
6397 (main): Call it.
6399 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6401 * pa.c (hppa_expand_prologue): Simplify code storing return
6402 pointer. For large (>=8k) frames with a post_store, adjust stack
6403 pointer by 8k-64 first rather than by 64. When testing with
6404 VAL_14_BITS_P, always use the actual value rather than the value
6405 negated. Add blockage to prevent scheduling of spills before
6406 stack frame has been created.
6407 (hppa_expand_epilogue): Simplify code loading return pointer.
6408 Allow a slightly larger range for merge_sp_adjust_with_load case.
6409 When testing with VAL_14_BITS_P, always use the actual value.
6411 * pa.c (pa_adjust_insn_length): Check that block move
6412 pattern is a set before looking at operands.
6414 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6416 * fold-const.c (fold_binary_op_with_conditional_arg): New
6417 function, split out from ...
6418 (fold): ... here.
6419 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6420 conditional arms that throw exceptions.
6422 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6423 looking at a BLOCK.
6425 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6427 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6428 define HAVE_DECL_* to 1 to mask potential backup declarations.
6429 * configure: Regenerated.
6431 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6433 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6435 2001-02-17 Richard Henderson <rth@redhat.com>
6437 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6438 when replacing a memory load with a register.
6440 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6441 Jan Hubicka <jh@suse.cz>
6443 * recog.c (validate_replace_src_1): New.
6444 (validate_replace_src_data): Likewise.
6445 (validate_replace_src): Use note_uses.
6446 * rtl.h (note_uses): Declare.
6447 * rtlanal.c (note_uses): New.
6449 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6451 * reg-stack.c (stack_def): Make field reg unsigned.
6452 (remove_regno_note): Unsignetize parameter.
6454 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6456 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6457 shladd_operand() call.
6459 2001-02-16 Bruce Korb <bkorb@gnu.org>
6460 Rodney Brown <RodneyBrown@mynd.com>
6462 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6463 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6464 machine restrictions
6465 * fixinc/fixincl.x: regen
6467 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6469 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6470 Don't CSE a nop.
6471 (hash_scan_insn): Clean up calls to hash_scan_set.
6472 (compute_kill_rd): REGNO now unsigned.
6473 (try_replace_reg): Rework to use simplify_replace_rtx.
6474 (cprop_jump, cprop_cc0_jump): Likewise.
6475 (cprop_insn): Call find_reg_equal_equiv_note.
6476 Reflect changes to cprop_jump and cprop_cc0_jump.
6478 * recog.c (validate_replace_src): Replace in operands of
6479 ZERO_EXTRACT in SET_DEST.
6481 * cse.c (new_label_ref): New variable.
6482 (insert): Set it instead of recorded_label_ref.
6483 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6484 CODE_LABEL for this function, and not already in REG_LABEL note.
6486 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6488 * resource.c (mark_referenced_resources): Fix typo in introductory
6489 comment.
6490 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6491 string constant.
6493 2001-02-16 Jason Merrill <jason@redhat.com>
6495 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6496 NULL.
6497 (gen_subprogram_die): Don't abort on seeing a second definition if
6498 the previous one was abstract. Don't replace an abstract instance
6499 in the lookup table.
6501 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6502 gen_abstract_function.
6503 * dwarf2out.h: Declare it.
6504 * toplev.c (note_outlining_of_inline_function): New fn.
6505 * toplev.h: Declare it.
6506 * integrate.c (output_inline_function): Call it.
6507 * c-decl.c (duplicate_decls): Call it when redefining an extern
6508 inline. Don't inline the new defn.
6510 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6512 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6514 * .gdbinit: Rename to gdbinit.in.
6515 * gdbinit.in: New file,
6516 * configure.in: Generate .gdbinit from gdbinit.in.
6517 * configure: Regenerated.
6518 * Makefile.in (distclean): Always remove .gdbinit.
6520 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6522 * objc/objc-act.c (start_class): Register implemented_classes with
6523 GC.
6525 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6527 * cppfiles.c (_cpp_make_system_header): Generate a file
6528 change callback.
6530 2001-02-15 Jim Meyering <meyering@lucent.com>
6532 * Makefile.in (install-common): Don't depend on installdirs here.
6533 Instead, make each of the lang.install-common targets (e.g.,
6534 c++.install-common in cp/Make-lang.in) depend on it.
6535 (install-driver): Depend on installdirs.
6537 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6539 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
6541 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
6542 do in memory.
6544 2001-02-15 Mark Mitchell <mark@codesourcery.com>
6546 * invoke.texi (--param): Document.
6548 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
6550 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
6552 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
6554 * i386.md (extendsfdf2_2): Fix constraints.
6556 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
6558 * i386.md (fop_df_3 splitter): Fix operand number.
6560 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6562 * invoke.texi (-mreg-alloc): Nuke.
6563 * i386.c (ix86_reg_alloc_order, regs_allocated,
6564 order_regs_for_local_alloc): Nuke.
6565 (override_options): Kill reg_alloc code.
6566 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6567 (REG_ALLOC_ORDER): SSE goes before I387.
6568 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6569 (ix86_reg_alloc_order): Likewise.
6570 * i386-protos.h (ix86_reg_alloc_order): Kill.
6572 2001-02-14 Richard Henderson <rth@redhat.com>
6574 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6576 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6578 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6580 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6582 * i386-protos.h (ix86_memory_move_cost): Move offline.
6583 * i386.c (ix86_register_move_cost): Compute properly cost of
6584 SSE, MMX and i387 instructions.
6585 (*_cost): Add costs of SSE/MMX moves.
6586 (ix86_memory_move_cost): Move offline from ....; Likewise.
6587 * i386.h (MEMORY_MOVE_COST): .... here;
6588 (struct processor costs): Add new fields to represent costs
6589 of SSE/MMX moves.
6591 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6593 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6594 move_cost together with Matt Kraai's fix.
6596 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6598 * Makefile.in (OBJS): Add params.o.
6600 2001-02-14 Richard Henderson <rth@redhat.com>
6601 DJ Delorie <dj@redhat.com>
6603 * jump.c (jump_optimize_1): When we delete a conditional jump
6604 preceeding a non-conditional jump to effectively the same place,
6605 make sure that the combined jump skips any clobber insns between
6606 the two labels.
6608 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6610 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6612 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6614 * Makefile.in (toplev.o): Depend on params.h.
6615 (intergate.o): Likewise.
6616 (params.o): New target.
6617 * flags.h (inline_max_insns): Remove.
6618 * integrate.c: Include params.h.
6619 Use MAX_INLINE_INSNS instead of inline_max_insns.
6620 * params.c: New file.
6621 * params.h: Likewise.
6622 * params.def: Likewise.
6623 * toplev.c: Include params.h.
6624 (lang_independent_params): New variable.
6625 (decode_f_option): Use the param machinery instead of setting
6626 max_inline_insns.
6627 (independent_decode_option): Handle "--param name=value".
6628 (main): Register language-independent parameters.
6630 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6632 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6634 2001-02-14 Richard Henderson <rth@redhat.com>
6636 * regclass.c (init_reg_sets_1): Revert last two changes.
6638 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6640 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6641 (variable_size): Call put_pending_size.
6642 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6643 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6644 sizes list, put newly created SAVE_EXPR there as well.
6646 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6648 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6649 (errata_find_address_regs): load_group has only 2 entries.
6650 (errata_emit_nops): Likewise. shladd is not problematic.
6651 Clear last_group if nop was emitted.
6652 (fixup_errata): load_group has only 2 entries.
6653 Optimize.
6655 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6657 * c-lex.c (lex_number): Only warn traditionally for U suffix
6658 outside system macros.
6659 * cppexp.c (parse_number): Similarly.
6660 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6661 * cppmacro.c (struct cpp_macro): New member node.
6662 (parse_args): Only warn about missing rest args if not
6663 a system macro.
6664 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6665 (cpp_sys_objmacro_p): New.
6666 (_cpp_create_definition): Store the node with the macro defn.
6667 Remember if the macro is defined in a system header.
6669 2001-02-13 DJ Delorie <dj@redhat.com>
6671 * configure.in (check_languages): determine languages to check
6672 * Makefile.in (check-c++): alias for check-g++
6673 (check-f77): alias for check-g77
6674 (CHECK_TARGETS): depend on configured languages
6676 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6678 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6679 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6680 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6681 (sqrtextendsfdf2): Disable for SSE2.
6683 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6685 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6686 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6687 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6688 (sqrtextendsfdf2): Disable for SSE2.
6690 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6692 * i386.md (movsfcc_1): Support integer cmove instruction.
6693 (movdfcc_1): Likewise; new splitter.
6695 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6697 * i386.c (output_fp_compare): Support SSE.
6698 (prepare_fp_compare_args): SSE comparisons always support memory.
6699 * i386.h (TARGET_CMOVE): SSE imply cmove.
6700 * i386.md (cmp?f2): Enable for SSE too.
6701 (cmpfp_i*): Support SSE.
6702 (cmpfp_i_sse): New.
6703 (cmpfp_i_sse_only): New.
6704 (s*, b* fp expanters): Enable for SSE too.
6705 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6706 New patterns.
6708 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6710 * regclass.c (init_reg_sets_1): Silence warning.
6712 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6714 * i386.md (sqrt?f2): Change to expander.
6715 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6717 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6719 * rtlanal.c (find_reg_equal_equiv_note): New function.
6720 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6721 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6722 * rtl.h: Add declarations for above functions.
6724 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6726 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6727 conditionals.
6728 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6729 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6730 * flow.c (mark_regs_live_at_end): Likewise.
6731 (calculate_global_regs_live): Likewise.
6732 * gcse.c (compute_hash_table): Likewise.
6733 (compute_kill_rd): Likewise.
6734 * resource.c (mark_target_live_regs): Likewise.
6735 * rtl.h (INVALID_REGNUM): New macro.
6737 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6739 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6741 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6743 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6744 for SSE.
6746 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6748 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6749 too.
6750 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6751 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6752 (fop_sf_1_sse, fop_df_1_sse): New patterns
6753 (fop_*): Disable float_extend and float patterns for SSE compilation.
6754 * i386.c (output_387_binary_op): Support SSE.
6756 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6758 * i386.md (dummy_extendsfdf2): Support SSE2
6759 (extendsfdf2): Enable if 80387 or SSE2.
6760 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6761 and no MIX_I387_SSE2
6762 (extendsfdf2_1_sse_only): New pattern.
6763 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6764 of SSE.
6765 (truncdfsf2_1): Support SSE.
6766 (truncdfsf2_2): Support SSE.
6767 (truncdfsf2_2_1_sse): New pattern.
6768 (fixtruncsfsi2): Always use SSE if available.
6769 (fix_truncsfsi_sse): New pattern.
6770 (fix_truncdfsi_sse): New pattern.
6771 (floatsis?f2): Support SSE.
6772 (floatsidf2_i387): New pattern.
6773 (floatsidf2_sse): Likewise.
6775 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6777 * configure.in: Use "have_gnat" variable, not "gnat".
6778 * configure: Regenerated.
6780 * config/sparc/sparc.c (function_value): Treat all non-record
6781 aggregate types like used to treat UNION_TYPE.
6783 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6785 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6786 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6787 (MASK_SSE2): New.
6788 (MASK_MIX_SSE_I387): New.
6789 (TARGET_SSE): SSE2 imply SSE.
6790 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6791 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6792 (enum reg_class): Add new classes.
6793 (REG_CLASS_NAMES): Likewise.
6794 (REG_CLASS_CONTENTS): Likewise.
6795 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6796 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6797 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6798 (CLASS_MAX_NREGS): Use new macros.
6799 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6800 * i386.md (pushsf, movsf): Support SSE.
6801 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6802 splitters to use ANY_FP_REGNO_P.
6803 (movdf_nointeger, movdf_integer): Likewise.
6805 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6807 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6808 (try_combine): Use it.
6810 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6812 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6813 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6814 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6815 (REGISTER_MOVE_COST): Likewise.
6816 * i386-protos.h (ix86_secondary_memory_needed,
6817 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6818 * i386.c (ix86_secondary_memory_needed,
6819 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6821 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6823 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6824 (HARD_REGNO_MODE_OK): Move offline to ....
6825 * i386.c (ix86_hard_regno_mode_ok) ... here;
6826 refuse all incorrect modes.
6827 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6829 2001-02-13 Richard Henderson <rth@redhat.com>
6831 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6832 entire operator; replicate that and match_dup the operands.
6833 (cmp_ccx_arith_op_set): Likewise.
6834 (cmp_cc_arith_op_not_set): Likewise.
6835 (cmp_ccx_arith_op_not_set): Likewise.
6837 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6839 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6841 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6843 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6844 (TARGET_NO_BITFIELD_WORD): New macro.
6845 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6846 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6848 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6850 * cselib.c: New file, from simplify-rtx.c.
6851 * simplify-rtx.c: Remove cselib parts.
6852 * Makefile.in: Add cselib.o.
6854 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6856 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6857 (setup_incoming_varargs): Remove warning.
6859 * config/rs6000/rs6000.c (validate_condition_mode): When
6860 flag_fast_math, allow floating-point conditionals to be reversed.
6861 (rs6000_generate_compare): When flag_fast_math, don't generate
6862 cror operations for FP conditionals.
6864 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6865 -mcall-i960.
6866 (ASM_SPEC): Likewise.
6867 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6868 (CC1_SPEC): Likewise.
6869 (LINK_TARGET_SPEC): Likewise.
6870 (CPP_ENDIAN_SPEC): Likewise.
6871 * Makefile.in (check-consistency): New target.
6873 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6875 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6876 "return type defaults" warning for functions with return type
6877 defaulting to int.
6878 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6879 function declarations by default rather than only when pedantic.
6881 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6883 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6884 arrays.
6886 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6888 * extend.texi (Deprecated): Deprecate new initializer lists.
6890 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6892 * mkdeps.c (deps_add_default_target): Robustify. Add
6893 basename component only.
6894 * cpp.texi (-M): Describe how default target is generated.
6895 * invoke.texi (-M): Likewise.
6897 2001-02-12 Kazu Hirata <kazu@hxi.com>
6899 * toplev.c (push_float_handler): Remove.
6900 (pop_float_handler): Remove.
6901 * toplev.h: Remove prototypes for the above functions.
6903 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6905 * c-common.c (constant_fits_type_p): New function.
6906 (convert_and_check): Use it.
6908 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6910 * Makefile.in (GXX_ABI_FLAG): Don't define.
6911 * configure.in (--enable-new-gxx-abi): Remove option.
6912 * config.in: Regenerated.
6913 * configure: Likewise.
6915 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6917 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6918 basic block.
6919 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6920 regular basic block, and arrange for all edges into it to switch
6921 to normal mode.
6923 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6925 * Makefile.in (distclean): Do not remove .gdbinit.
6927 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6929 * Makefile.in (gcc.o): Fix typos.
6930 (protize.o): Likewise.
6931 (unprotoize.o): Likewise.
6933 2001-02-11 Richard Henderson <rth@redhat.com>
6935 * tree.c (build1): Check for null operand in last change.
6937 2001-02-11 Richard Henderson <rth@redhat.com>
6939 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6940 (fold): Don't assume a constant isn't foldable.
6941 * tree.c (build): Set TREE_CONSTANT for an expression with no
6942 side-effects and constant operands.
6943 (build1): Likewise.
6945 2001-02-10 Richard Henderson <rth@redhat.com>
6947 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6949 2001-02-10 Anthony Green <green@redhat.com>
6951 * cpp.texi (Standard Predefined): Add documentation for
6952 __OPTIMIZE_SIZE__.
6954 * c-common.c (combine_strings): Improve warning message.
6956 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6958 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6959 --oformat.
6960 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6962 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6964 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6965 CYGWIN_CROSS_DIR.
6967 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6969 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6970 fp_mode attribute.
6972 2001-02-09 Nick Clifton <nickc@redhat.com>
6974 * config/arm/arm.md: Change output contraint on post inc
6975 load/store multiple patterns to be a read/write contraint.
6977 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6979 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6980 .o files when using the -M options.
6982 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6983 David Edelsohn <edelsohn@gnu.org>
6985 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6986 handle DImode constants. Use one TOC entry for SImode and smaller
6987 constants, aligned properly.
6989 2001-02-08 Jason Merrill <jason@redhat.com>
6991 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6992 about the SP adjustment for saving the static chain pointer.
6993 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6994 offset when setting a temporary CFA register.
6996 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6998 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6999 powerpc-*-chorusos* .
7000 * config/rs6000/chorus.h : New file.
7001 * config/i386/chorus.h : New file.
7002 * config/sparc/chorus.h : New file.
7003 * config/sparc/t-chorus-elf : New file.
7005 2001-02-08 David Edelsohn <edelsohn@gnu.org>
7007 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7008 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7009 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7010 (__WCHAR_TYPE__): Correct macro name.
7012 2001-02-08 Richard Henderson <rth@redhat.com>
7014 * config/i386/i386.c (ix86_frame_pointer_required): New.
7015 (ix86_setup_frame_addresses): New.
7016 (struct machine_funciton): Add accesses_prev_frame.
7017 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7018 ix86_frame_pointer_required.
7019 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7020 (SETUP_FRAME_ADDRESSES): New.
7021 * config/i386/i386-protos.h: Update.
7022 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
7023 from FRAME_POINTER_REQUIRED.
7024 * config/i386/svr3gas.h: Likewise.
7025 * config/i386/sysv3.h: Likewise.
7026 * config/i386/v3gas.h: Likewise.
7028 2001-02-08 Richard Henderson <rth@redhat.com>
7030 * config/sparc/sparc.c (function_arg_record_value_3): Fix
7031 calculation of the number of integer registers required.
7032 (function_arg_record_value): Likewise.
7034 2001-02-08 Jason Merrill <jason@redhat.com>
7036 * diagnostic.c (internal_error): Say "confused" after 1 error, not
7037 two. Print file and line with "confused" message.
7039 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
7041 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7043 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
7045 2001-02-08 Bernd Schmidt <bernds@redhat.com>
7047 * final.c (cleanup_subreg_operands): The address of a MEM can
7048 contain SUBREGs.
7050 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
7051 for asms, too.
7053 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
7055 * gcc.texi (Incompatibilities): Update documentation of
7056 preprocessing numbers.
7058 2001-02-07 Jakub Jelinek <jakub@redhat.com>
7060 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
7062 2001-02-07 Mark Mitchell <mark@codesourcery.com>
7064 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
7066 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
7067 * gcc.c (struct compiler): Add cpp_spec field.
7068 (input_file_compiler): New variable.
7069 (do_spec_1): Allow a particular compiler to handle `%C'
7070 specially.
7071 (main): Store the current compiler in input_file_compiler.
7072 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7074 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7076 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7077 * cppinit.c (cpp_create_reader): Initialize them.
7078 (append_include_chain): cxx_aware arg might be unused.
7079 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7080 keywords and give them their phase 7 meaning. Pedwarn about
7081 this unless '__bool_true_false_are_defined' is defined.
7083 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7085 * lcm.c (optimize_mode_switching): Emit mode_set before the
7086 JUMP_INSN of an abnormal edge.
7088 2001-02-07 Bernd Schmidt <bernds@redhat.com>
7090 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7091 a scheduling barrier at the end.
7093 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7095 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7097 * config/sh/sh.md (reload_outsf): Removed.
7098 (movsf_ie): Introduce constraints for FPUL loads and stores.
7099 (reload_insf): Broaden the output constraint.
7101 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7102 defined.
7103 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7104 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7106 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7108 * final.c: Revert my previous changes.
7109 * output.h: Make profile_label_no extern.
7110 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7111 for generating label.
7113 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
7115 * config/i386/djgpp.h: Add comments about standard paths.
7116 (MD_EXEC_PREFIX): Undefine before defining.
7117 (MD_STARTFILE_PREFIX): New.
7119 2001-01-30 Bruce Korb <bkorb@gnu.org>
7121 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7122 (load_file): do not rely on load_file_data() to close file pointer
7123 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
7124 fixinc/inclhack.def(irix_limits_const): add test_text
7126 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7128 * cppexp.c (parse_defined): Improve diagnostics for invalid
7129 syntax.
7131 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7133 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
7135 2001-02-06 Mark Mitchell <mark@codesourcery.com>
7137 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7138 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7139 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7140 (rs6000_output_symbol_ref): New function.
7141 (output_toc): Use VTABLE_NAME_P.
7143 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7145 * print-tree.c (print_node, case PARM_DECL):
7146 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7148 * stor-layout.c (reference_types_internal): New variable.
7149 (internal_reference_types): New function.
7150 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7151 * tree.h (internal_reference_types): New declaration.
7153 * cse.c (find_best_addr): Fix typo in computing cost.
7155 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7157 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7158 and this is the sum of a pointer and a constant, we know the result
7159 did not overflow.
7160 (num_sign_bit_copies, case PLUS): Likewise.
7161 * explow.c (convert_memory_address): Remove opposite SUBREG.
7162 * function.c (instantiate_new_reg): New function (from common code).
7163 (instantiate_virtual_regs_1): Call it.
7164 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7165 if pointers sign- or zero-extend.
7166 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7167 If pointers extend unsigned, use inside of SUBREG.
7168 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7170 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7172 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7173 subdir of gcc_gxx_include_dir.
7174 (gcc_gxx_target_include_dir): Remove.
7176 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7178 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7179 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7180 a high-level description.
7182 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7184 * final.c: Move the declaration of profile_label_no to ...
7185 * output.h: ... here.
7186 * function.c (expand_function_start): Call PROFILE_HOOK.
7187 * config/rs6000/aix.h: Define PROFILE_HOOK.
7188 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7189 * config/rs6000/rs6000.c (output_profile_hook): Define.
7190 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7191 output_profile_hook.
7192 tm.texi : Explain new macro PROFILE_HOOK.
7194 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7196 * extend.texi (Extended Asm): Do not say that semicolon is always
7197 a valid line-breaking character for GNU assemblers. Use
7198 newline-tab as the most commonly supported syntax. Use
7199 newline-tab rather than semicolon in multi-insn examples.
7201 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7203 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7205 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7206 David Edelsohn <edelsohn@gnu.org>
7208 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7209 code for AIX, even without flag_pic.
7211 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7213 * c-typeck.c (common_type): push and pop binding level around
7214 calling common_type on function parameters.
7216 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7218 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7220 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7222 * config/mips/mips.c (override_options): Fix typo in last change.
7223 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7224 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7226 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7228 * invoke.texi (-fdump-class-layout): Document.
7229 (-fdump-translation-unit): Use `=' as filename separator.
7231 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7233 * Makefile.in (s-mlib): Don't build multilibs if
7234 --disable-multilib.
7235 (DRIVER_DEFINES): Adjust accordingly.
7236 (gcc.o): Likewise.
7237 (protoize.o): Likewise.
7238 (unprotoize.o): Likewise.
7239 * configure.in: Recognize --enable-multilib.
7241 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7243 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7245 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7246 * configure.in: Remove --enable-libstdcxx_v3 support.
7247 * configure: Regenerated.
7249 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7251 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7252 Call abort instead of fatal.
7253 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7254 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7255 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7256 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7257 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7258 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7260 * diagnostic.h (set_internal_error_function): Renamed.
7261 * toplev.h (internal_error): Renamed from fatal.
7262 (pfatal_with_name): Deleted.
7263 (fatal_io_error): Now has printf-style arguments.
7264 * diagnostic.c (pfatal_with_name): Deleted.
7265 (fatal_io_error): Rework to have args in printf-style.
7266 (set_internal_error_function): Renamed from set_fatal_function.
7267 (internal_error): Renamed from fatal.
7268 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7269 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7270 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7271 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7272 * flow.c (verify_flow_info): Likewise.
7273 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7274 * config/mips/mips.c (save_restore_insns): Likewise.
7276 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7277 * flow.c (verify_flow_info): Likewise.
7278 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7279 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7280 (avr_normalize_condition): Likewise.
7281 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7282 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7283 (limit_reload_class, double_reg_to_memory): Likewise.
7284 (print_operand_address, emit_1600_code_shift): Likewise.
7285 (gen_tst_reg, gen_compare_reg): Likewise.
7286 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7287 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7288 Deleted.
7289 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7291 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7292 * objc/objc-act.c (build_ivar_chain): Likewise.
7293 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7294 pfatal_with_name.
7295 * graph.c (clean_graph_dump_file): Likewise.
7296 * profile.c (init_branch_prob): Likewise.
7297 * objc/objc-act.c (objc_init): Likewise.
7299 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7300 * config/avr/avr.c (avr_override_options): Likewise.
7301 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7302 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7303 * config/h8300/h8300.c (h8300_init_once): Likewise.
7304 * config/mips/mips.c (override_options): Likewise.
7305 * config/i386/i386.c (override_options): Likewise, rework.
7306 * config/m68k/m68k.c (override_options): Likewise.
7308 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7309 instead of fatal.
7310 * config/mips/mips.c (print_operand): Likewise.
7311 * hash.c (hash_allocate): Don't check for failure returns from
7312 obstack functions that can't fail.
7313 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7314 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7315 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7316 (get_object_reference): Likewise.
7318 2001-02-04 Nick Clifton <nickc@redhat.com>
7320 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7321 StrongARM1110, 10TDMI, and 1020T.
7323 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7325 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7327 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7329 * config/sh/sh.md (movdf load split): Pass register number to
7330 FP_OR_XD_REGISTER_P.
7332 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7334 * cppinit.c (BC): New macro.
7335 (builtin_array): Add __GXX_WEAK__.
7336 * cpplib.h (builtin_type): Add BT_WEAK.
7337 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7338 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7339 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7341 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7343 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7345 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7347 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7348 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7350 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7352 * cpphash.h: Rename ALIGN _ALIGN.
7353 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7355 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7357 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7358 compilation environment.
7359 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7360 control over location of cygwin includes and libs.
7362 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7364 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7366 2001-02-02 lars brinkhoff <lars@nocrew.org>
7368 * md.texi (Standard Names): remove reference to spur.md.
7370 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7372 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7373 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7374 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7375 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7376 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7378 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7380 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7381 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7382 number before reload.
7383 (c4x_adjust_cost): Return zero before reload.
7384 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7385 split before reload.
7387 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7389 * c4x.c (c4x_hard_regno_rename_ok): New.
7390 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7391 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7393 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7395 * diagnostic.h: Add missing "extern" in all declarations.
7397 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7399 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7400 as for gcc_gxx_include_dir.
7402 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7404 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7406 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7408 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7409 label before alignment to be used as the braf base address.
7410 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7411 branches.
7412 (casesi_jump_2): Require at least TARGET_SH2.
7414 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7415 truncation to 32-bit doubles on -m3e and -m4-single-only.
7417 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7419 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7420 the default when building a shared object.
7421 (init_spec): Use it.
7422 * testsuite/lib/g++.exp: Include the directory where libgcc
7423 is located to the LD_LIBRARY_PATH list.
7424 * invoke.texi (-shared-libgcc): Document the cases in which
7425 GCC defaults to using the shared libgcc.
7427 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7429 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7430 unsigned is wide enough.
7431 (BITS_PER_SI): New.
7432 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7433 (si_to_float): Likewise.
7434 (float_to_si, float_to_usi): Use BITS_PER_SI.
7436 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7438 * dwarf2out.c: Added explanation of abbreviations.
7439 (def_cfa_1): Added comments listing DWARF2 instructions.
7440 (cfa_temp_reg): Removed in favor of cfa_temp.
7441 (cfa_temp_value): Removed in favor of cfa_temp.
7442 (cfa_temp): New global variable.
7443 (dwarf2out_frame_debug_expr): Added extensive introductory
7444 comments explaining the function's transformations. Revised to
7445 use cfa_temp. Added some rtx checking. Generalize IOR case.
7446 (dwarf2out_frame_debug): Revised to use cfa_temp.
7447 (output_aranges): Cast as "unsigned" to avoid warning.
7448 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7449 explain which instructions must be marked.
7451 2001-02-01 Richard Henderson <rth@redhat.com>
7453 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7454 new instruction.
7456 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7458 * config/sh/crt1.asm (main_k): Modified so that start calls
7459 ___setup_argv_and_call_main.
7461 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7463 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7464 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7465 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7466 * cppmacro.c (builtin_macro): Set builtin flags here.
7467 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7468 (replace_args): Clarify intent.
7469 (cpp_get_token): Macro expansion tokens get the saved flags.
7470 Update.
7471 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7472 check.
7474 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7476 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7477 2001-Jan-29.
7479 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7481 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7482 returns Pmode pseudo, but we need ptr_mode.
7483 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7484 Remove bogus conversions; use HOST_WIDE_INT for size.
7485 Don't use TARGET if wrong mode.
7487 * config/i386/i386.c (ix86_compute_frame_size): Allow
7488 stack_alignment_needed to be non-default even if size is zero.
7490 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7492 * pa.c (hppa_init_pic_save): New function.
7493 * pa.h (hppa_init_pic_save): Declare.
7494 * pa.md (call, call_value, sibcall, sibcall_value): Use
7495 the above instead of duplicated code.
7497 * pa.c (hppa_encode_label): Correct size of alloca buffer
7498 so we don't overrun it. Correct leading `*' case.
7499 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7500 need to handle `*@'.
7501 (FUNCTION_NAME_P): Likewise.
7503 2001-01-31 Richard Henderson <rth@redhat.com>
7505 * config.gcc (alpha-osf5): Use float-i128.h.
7507 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7508 * config/float-i32.h: Likewise.
7509 * config/float-i64.h: Likewise.
7510 * config/float-sh.h: Likewise.
7511 * config/float-sparc.h: Likewise.
7513 2001-01-31 DJ Delorie <dj@redhat.com>
7515 * expmed.c (extract_bit_field): allow non-integral modes if we
7516 want to extract a whole register from itself.
7518 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7520 * c-typeck.c (set_init_index): If first is equal to last, assume as
7521 if it was not a range at all.
7523 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7525 * config/fp-bit.c: Include tm.h.
7526 (float_to_si): Don't assume SImode is 32-bits wide.
7527 (float_to_usi): Likewise.
7529 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7531 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
7532 incomplete type.
7533 (typename): Call pending_xref_error after parsing typed_typespecs.
7534 * c-decl.c (lookup_tag): Give error immediately rather than
7535 leaving it pending if the tag of the wrong type is in the same
7536 binding level.
7537 (xref_tag): Don't pedwarn for forward declarations of enum types
7538 here.
7539 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
7540 and enum tags.
7542 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7544 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
7546 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7548 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
7549 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
7551 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
7553 * cpphash.h (struct cpp_reader): New saved_flags.
7554 * cppmacro.c (cpp_get_token): Use saved_flags to remember
7555 to avoid a paste after a pasted token.
7557 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7559 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7560 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7561 Wtype_MIN instead of LONG_MIN.
7563 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7565 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7566 README file.
7567 * fixinc/fixincl.x: Regenerated.
7568 * fixinc/inclhack.def (irix_limits_const): New definition to
7569 convert "const" to "__const" in limits.h.
7571 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7573 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7575 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7577 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7578 when register dies in the insn.
7580 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7582 * diagnostic.c (fatal): Fix word wrap.
7584 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7586 * combine.c (try_combine): Fix SUBREG setting for
7587 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7589 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7591 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7592 comparison codes.
7594 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7596 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7597 is not NULL.
7598 * toplev.c (decode_W_option): Update warn_larger_than
7599 unconditionally for each processed switch.
7601 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7603 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7604 to NULL_RTX.
7605 (hppa_expand_prologue): Delete code to save pic offset table register
7606 in the function prologue.
7607 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7608 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7609 table register at the beginning of the function after the prologue.
7611 2001-01-29 lars brinkhoff <lars@nocrew.org>
7613 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7615 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7616 Jeff Law <law@redhat.com>
7618 * pa.md (return): Revise comment for trivial return.
7619 (return_internal): Non-trivial return pattern for non-PIC code.
7620 (return_internal_pic): Non-trivial return pattern for PIC code.
7621 It uses the PIC register to ensure it is restored after
7622 function calls.
7623 (epilogue): Generate appropriate return for PIC and non-PIC code.
7625 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7627 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7629 2001-01-29 DJ Delorie <dj@redhat.com>
7631 * combine.c (if_then_else_cond): Pass the correct mode to
7632 operand_subword() for constants.
7634 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7636 * config/i386/cygwin.h: Add w32api to include search. Search different
7637 directories in a cross-build environment.
7639 2001-11-29 Tim Josling <tej@melbpc.org.au>
7641 * tree.h (TYPE_STUB_DECL): Add documentation.
7643 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7645 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7646 (sdbout_field_types): Likwise. Fix use of host_integerp.
7648 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7650 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7651 cygwin.h.
7653 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7655 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7656 to use flag_gnu_linker.
7658 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7660 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7661 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7663 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7665 * tree.c, tree.h (build_parse_node): Remove; was identical to
7666 build_nt.
7667 * c-lang.c (start_cdtor), objc/objc-act.c
7668 (build_module_descriptor): Use build_nt instead of
7669 build_parse_node.
7671 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7673 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7674 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7675 not have any upper bits set.
7677 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7679 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7681 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7683 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7685 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7687 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7688 (integer_minus_one_node): Define.
7690 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7692 * Makefile.in (bootstrap2-lean): Fix typo.
7694 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7696 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7697 : Don't set fe_value.
7698 * cpplib.h (AVOID_LPASTE): New flag.
7699 (struct cpp_hashnode): Remove fe_value.
7700 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7701 * cppmacro.c (builtin_macro): Don't set flags here.
7702 (replace_args): Set AVOID_LPASTE flag on first token of an
7703 argument, and the token following it.
7704 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7705 macro expansion, and on the token following it. Do it for
7706 builtins too.
7707 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7709 2001-01-27 Richard Henderson <rth@redhat.com>
7711 * config/alpha/t-ieee: Remove multilibbing.
7712 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7714 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7716 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7718 * Makefile.in: Remove all dependencies on defaults.h.
7719 * builtins.c: Don't include defaults.h.
7720 * c-common.c: Likewise.
7721 * c-decl.c: Likewise.
7722 * c-pragma.c: Likewise.
7723 * c-typeck.c: Likewise.
7724 * combine.c: Likewise.
7725 * i386.c: Likewise.
7726 * frame-ia64.c: Likewise.
7727 * cppexp.c: Likewise.
7728 * crtstuff.c: Likewise.
7729 * dbxout.c: Likewise.
7730 * dwarf2out.c: Likewise.
7731 * dwarfout.c: Likewise.
7732 * emit-rtl.c: Likewise.
7733 * except.c: Likewise.
7734 * expr.c: Likewise.
7735 * final.c: Likewise.
7736 * frame-dwarf2.c: Likewise.
7737 * libgcc2.c: Likewise.
7738 * optabs.c: Likewise.
7739 * profile.c: Likewise.
7740 * sdbout.c: Likewise.
7741 * toplev.c: Likewise.
7742 * tradcif.y: Likewise.
7743 * tree.c: Likewise.
7744 * varasm.c: Likewise.
7746 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7748 * builtins.c (expand_builtin_fputs): Use size_one_node when
7749 transforming into fwrite.
7751 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7753 * extend.texi (Attribute Syntax): New section.
7755 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7757 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7758 they didn't need fixing.
7760 2001-01-27 Janis Johnson <janis@us.ibm.com>
7762 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7763 if appropriate.
7764 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7765 to remove macro definitions that are duplicated from elfos.h.
7767 2001-01-27 Richard Henderson <rth@redhat.com>
7769 * config/i386/sco5gas.h: Move ...
7770 * config/usegas.h: ... here.
7771 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7773 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7775 * c-typeck.c (struct constructor_stack): Add range_stack member.
7776 (really_start_incremental_init): Clear it.
7777 (push_init_level): Save constructor_range_stack and clear it if
7778 pushing explicit braces.
7779 (pop_init_level): abort if constructor_range_stack is non-zero at
7780 explicit closing brace. Restore saved constructor_range_stack if
7781 not implicit.
7783 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7785 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7786 into register was forced into memory.
7788 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7790 * Makefile.in: Remove uses of + before $(MAKE).
7792 2001-01-26 Richard Henderson <rth@redhat.com>
7794 * stmt.c (cost_table): Remove.
7795 (COST_TABLE, cost_table_initialized): New.
7796 (estimate_case_costs): Use the later instead of the former.
7797 (balance_case_nodes): Likewise.
7799 2001-01-26 Richard Henderson <rth@redhat.com>
7801 * alias.c (objects_must_conflict_p): Read-only slots may not
7802 conflict despite having the same type.
7804 2001-01-27 Michael Hayes <mhayes@redhat.com>
7806 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7807 int variable.
7808 (check_ext_dependant_givs): Initialise u_start_val and
7809 u_end_val.
7810 (load_mems): Make last_max_reg unsigned.
7811 (try_swap_copy_prop): Use INSN_P and initialise set.
7813 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7815 * README.AVR : Removed.
7817 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7819 * pa-64.h (text_section): Remove declaration.
7821 * pa.md (return_internal): Remove mode on PIC register use.
7823 2001-01-25 lars brinkhoff <lars@nocrew.org>
7825 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7826 ASM_CLOSE_PAREN): fix typos.
7828 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7830 * acconfig.h: Define `const' to the empty string if neither
7831 __STDC__ nor __cplusplus is defined.
7832 * config.in: Regenerated.
7834 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7836 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7837 * collect2.c (main): Delete importf. Add ".obj" file extension.
7838 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7839 (aix_std_libs): Add additional AIX libraries to skip.
7840 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7841 * config/rs6000/aix51.h: New file.
7843 2001-01-25 Michael Hayes <mhayes@redhat.com>
7845 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7846 (loop_insn_emit_before): No longer static.
7847 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7848 (loop_givs_rescan, load_mems): Likewise.
7849 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7850 (maybe_eliminate_biv_1):
7851 (move_movables): Replace emit_call_insn_before with
7852 loop_call_insn_hoist.
7853 * loop.h (loop_insn_emit_before): Add.
7854 * unroll.c (copy_loop_body): Replace emit_insn_before with
7855 loop_insn_emit_before.
7857 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7859 * diagnostic.c (fatal): Request preprocessed source.
7861 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7863 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7864 olddecl has argument types and newdecl has none, use the argument
7865 types from olddecl.
7867 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7869 * dwarf2out.c (prefix_of): New function. Determine longest common
7870 prefix of the two arguments. The units are whole path components.
7871 (output_file_names): When adding a new directory find the one entry
7872 with the longest common prefix already in the list. Artificially
7873 generate entry if there is none for this prefix.
7874 Fix test to check whether the zeroth directory entry is used.
7876 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7878 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7879 Changed all callers. Take it into account when deciding if a
7880 previously loaded value matches.
7882 2001-01-24 Richard Henderson <rth@redhat.com>
7884 * reload.c (find_reloads_subreg_address): Fail the substitution
7885 if the resulting address is insufficiently aligned.
7887 2001-01-24 DJ Delorie <dj@redhat.com>
7889 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7890 check the original operand's mode also.
7891 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7893 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7895 * c-parse.in (cast_expr): Move compound literals from here ...
7896 (primary): ... to here. Use standard terminology "compound
7897 literal" instead of "constructor expression".
7899 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7901 * gcc.1, cpp.1: Regenerate.
7903 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7905 * calls.c (emit_library_call_value_1): Memory slot for
7906 pass-by-reference argument should have the mode of the argument,
7907 not of the pointer to it.
7909 2001-01-24 Tom Tromey <tromey@redhat.com>
7911 * gcc.texi (G++ and GCC): Mention gcj manual.
7912 (Standards): Link to section of manual mentioning gcj/Java
7913 compatibility.
7915 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7917 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7918 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7919 * tradcpp.c (main): Add -imacros or -include'd dependencies
7920 for -M*.
7921 * cpp.texi (-M, -MM): Document -M -include behaviour.
7923 2001-01-24 Roger Collins <roger@ProProject.com>
7925 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7927 2001-01-24 Will Cohen <wcohen@redhat.com>
7929 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7930 whether registers are 32 bits or 64 bits in size.
7932 2001-01-24 Ben Elliston <bje@redhat.com>
7934 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7936 2001-01-24 Richard Henderson <rth@redhat.com>
7938 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7939 (builtin_longjmp): Use it instead of emit_indirect_jump.
7941 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7943 * bb-reorder.c (make_reorder_chain_1): Handle case where
7944 jump edge goes to the same block as the fallthru edge.
7946 2001-01-23 Jim Wilson <wilson@redhat.com>
7948 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7949 * frame.h (__ia64_personality_v1): Add prototype.
7950 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7951 prototype form. Add void * cast to first argument to personality
7952 call.
7953 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7954 (asctoe113): Likewise.
7955 * config/ia64/frame-ia64.c: Include eh-common.h.
7956 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7957 prototypes.
7958 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7959 to dump parameter.
7960 (itanium_split_issue): Add prototype.
7961 (gen_nop_type): Ifdef out.
7962 (find_best_packet): Initialize best_packet.
7963 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7964 result.
7965 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7966 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7967 (flushrs): Add explicit stop bit at end.
7968 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7969 trailing \ to >.
7971 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7973 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7974 of EH symbols.
7975 * libgcc2.c (__terminate_func): Make variable static.
7976 (__terminate_set_func): New function to set __terminate_func.
7977 * libgcc2.h (__terminate_func_ptr): New typedef.
7978 (__terminate_set_func): New function.
7980 2001-01-23 Richard Henderson <rth@redhat.com>
7982 * flow.c (init_propagate_block_info): Don't consider unchanging
7983 memories for dead frame store elimination.
7985 2001-01-23 Richard Henderson <rth@redhat.com>
7987 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7988 * defaults.h: ... here.
7990 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7992 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7994 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7996 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7998 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8000 * rs6000.h (rs6000_return_addr): Move prototype from here...
8001 * rs6000-protos.h (rs6000_return_addr): ...to here.
8002 (rs6000_init_expanders): Delete prototype.
8004 2001-01-23 Nick Clifton <nickc@redhat.com>
8006 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8007 (Spec Files): Document %B and %j and %. and %v3 and %M and
8008 %{S*&T} spec switches.
8010 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8012 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8014 2001-01-23 Chris Demetriou <cgd@sibyte.com>
8015 Neil Booth <neil@daikokuya.demon.co.uk>
8017 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8018 Have -Werror make pedantic warnings errors, like the
8019 rest of GCC.
8021 2001-01-23 Phil Edwards <pme@sources.redhat.com>
8023 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
8025 2001-01-23 Jakub Jelinek <jakub@redhat.com>
8027 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
8028 * integrate.c (expand_inline_function): Initialize them.
8029 (subst_constants): If changing COMPARE so that both its arguments
8030 will be VOIDmode and the comparison mode will be lost, note
8031 compare_mode. Use the recorded compare_mode to optimize
8032 IF_THEN_ELSE.
8034 2001-01-23 Jason Merrill <jason@redhat.com>
8036 * dwarf2out.c (new_die): Use xcalloc.
8037 (output_die): Abort rather than emit a local reference to offset 0.
8039 2001-01-17 Andrew Haley <aph@redhat.com>
8041 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
8042 of a saved register; return NULL instead.
8043 (copy_reg): Take a pointer to a source register rather than a
8044 frame_state.
8045 (next_stack_level): Remember the address in the stack frame of all
8046 saved registers.
8047 Use the saved register pointer array as the source of the CFA.
8048 (throw_helper): Rewrite. Unwind once rather than twice and keep
8049 track of saved registers as we go.
8051 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8053 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
8054 * c4x.c (c4x_legitimize_reload_address): Remove.
8055 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
8056 reload address for ldp(k) insn.
8058 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
8060 * pa.md (return_internal): Add a USE of the PIC register to ensure
8061 it is restored after each call.
8062 (return expander): Corresponding changes.
8064 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8066 * rs6000.h (INIT_EXPANDERS): Delete.
8067 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8068 * rs6000.c (rs6000_override_options): Call *_machine_status from
8069 here...
8070 (rs6000_init_expanders): ...instead of here. Delete.
8071 (rs6000_mark_machine_status): New function.
8072 (rs6000_init_machine_status): Use xcalloc.
8073 (rs6000_return_addr): Generate RTX for the return address.
8074 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8075 (rs6000_stack_info): Use it.
8077 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8079 * gthr-win32.h: Include errno.h to get a declaration for
8080 EINVAL and _mingw.h if the target is mingw32.
8082 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8084 * cpp.texi: Correct typos.
8086 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8088 * explow.c (probe_stack_range): Ensure value passed to
8089 stack_check_libfunc is ptr_mode, not Pmode.
8091 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8093 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8094 case, don't use operand_subword to calculate a SUBREG that is
8095 wider than a word.
8097 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8099 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8101 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8102 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8103 valid. If not replace it by equivalent insns.
8105 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8107 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8108 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8109 (c4x_U_constraint, symbolic_address_operand): Likewise.
8110 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8111 memory.
8112 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8113 * c4x-protos.h (c4x_check_laj_p): Add prototype.
8114 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
8115 anulling slot because of silicon bug.
8116 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8118 2001-01-22 Alan Modra <alan@linuxcare.com.au>
8120 * cppexp.c (parse_charconst): Change `mask' type to agree
8121 with parse_escape.
8123 2001-01-21 Richard Henderson <rth@redhat.com>
8125 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8126 pic_label_name in a linkonce section.
8128 2001-01-17 Philipp Thomas <pthomas@suse.de>
8130 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8131 found in libintl.
8132 * configure: Regenerate.
8134 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8136 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8137 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8139 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8141 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8142 If REVERSE nonzero then condition code in X must be reversed.
8143 (encode_section_info): Optimise if/else.
8144 (avr_function_value): Fix formatting.
8146 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8147 (difficult_branch): Likewise.
8148 (rvbranch): Likewise.
8149 (difficult_rvbranch): Likewise.
8151 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8153 * config/avr/libgcc.S: Fix comment.
8155 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8157 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8159 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8161 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8163 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8165 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8166 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8167 * configure, config.in: Regenerate.
8168 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8169 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8170 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8171 (doprint.o): New rule.
8173 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8175 * c-typeck.c (digest_init): Handle boolean types as scalars.
8177 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8179 * stmt.c (expand_return): Don't return anything if size is zero.
8180 Delete redundant assignment to BYTES.
8181 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8183 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8185 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8186 the same as the default library function names.
8187 * config/avr/avr.md: Document special characters after '%'.
8188 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8189 knowing which of the call-used registers are really clobbered.
8190 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8191 New. Both quotient and remainder from one libgcc.S call.
8192 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8193 clobber as few registers as possible.
8194 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8196 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8198 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8199 context of the top of the stack.
8201 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8203 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8204 (fixup_var_refs_insns): ...here.
8206 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8208 * function.c (fixup_var_refs_insns): Break up into
8209 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8210 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8211 [loop over hash table entries].
8212 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8213 fixup_var_refs_insns_with_hash, to match above changes.
8215 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8217 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8218 (libgcc.a): Likewise.
8219 (stmp-multilib): Likewise.
8220 (STAGE2_FLAGS_TO_PASS): Likewise.
8222 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8224 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8225 temporary if no_new_pseudos.
8227 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8229 * cppinternals.texi: Update.
8231 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8233 * arm.c (arm_init_builtins): Re-enable builtins.
8235 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8237 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8238 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8239 element to be null, and always expect an EXPR_LIST.
8240 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8241 * sched-deps.c (sched_analyze_1): Likewise.
8242 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8244 * regclass.c (max_set_parallel): New variable.
8245 (reg_scan): Take it into account in computation of max_parallel.
8246 (reg_scan_mark_refs, case SET): Compute it.
8248 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8249 args are REG.
8250 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8251 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8253 2001-01-19 Jason Merrill <jason@redhat.com>
8255 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8256 for the abstract instance of an inline function.
8258 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8259 J"orn Rennecke <amylaar@redhat.com>
8261 * reload1.c (move2add_note_store): Treat all registers directly or
8262 indirectly derived from a base register as members of the same set
8263 of values.
8264 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8265 of base register into account.
8267 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8269 * alias.c (find_base_value): Recognize TRUNCATE.
8270 (record_set): In PLUS case, invalidate if other summand is also a
8271 base value.
8273 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8275 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8276 entry to be EXPR_LIST.
8277 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8278 be an EXPR_LIST (but not null, which other code doesn't allow).
8279 (note_stores): Properly handle PARALLEL in SET.
8280 Recursively call for top-level PARALLEL.
8281 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8282 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8284 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8286 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8288 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8289 not pfile->skipping (== 0).
8291 2001-01-17 Nick Clifton <nickc@redhat.com>
8293 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8294 machine_status.
8296 2001-01-17 Jim Wilson <wilson@redhat.com>
8298 * invoke.texi (IA-64 options): Improve.
8300 2001-01-17 Tom Tromey <tromey@redhat.com>
8302 * invoke.texi (Optimize Options): Use `{}' to around @samp
8303 argument.
8305 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8307 * invoke.texi (-fno-guess-branch-probability): New option.
8309 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8311 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8312 case of making new double-word constant.
8313 Revert last change: instead just test i3_subst_into_i2.
8315 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8317 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8318 Use q constraints instead of r.
8320 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8322 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8323 (machine_function): Define.
8324 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8325 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8326 pa_free_machine_status): New functions.
8327 (override_options): Set {init,mark,free}_machine_status to above.
8328 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8329 PIC_OFFSET_TABLE_REGNUM_SAVED.
8330 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8331 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8332 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8333 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8334 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8336 2001-01-15 DJ Delorie <dj@redhat.com>
8338 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8339 (cpp.1): Ditto.
8340 (gcc.1): Ditto.
8342 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8344 * flow.c (propagate_on_insn): Make trying to delete a prologue
8345 or epilogue insn an ICE, not a warning. Allow doing this if
8346 the current function returns with stack pointer depressed.
8348 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8349 I3 having more than one SET.
8351 2001-01-16 Jim Wilson <wilson@redhat.com>
8353 * invoke.texi: Document IA-64 options.
8355 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8356 (fixup_errata): Delete TARGET_A_STEP use.
8357 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8358 (TARGET_SWITCHES): Delete -ma-step option.
8359 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8360 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8361 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8362 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8363 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8364 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8365 Delete.
8366 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8367 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8368 cmovsi_internal): Delete ! TARGET_A_STEP check.
8370 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8372 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8373 possibility to report bugs via postal mail. Change a URL and
8374 merge in a nearly duplicate statement...
8375 (Bug Reporting): ...from here.
8376 (Service): Refer to the Bug Reporting section instead of
8377 duplicating an URL.
8378 (Contributing): Remove trivial explanations concerning snapshots.
8380 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8382 * cppmain.c (general_init): Don't use ANSI prototype.
8384 2001-01-16 Tom Tromey <tromey@redhat.com>
8386 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8388 2001-01-16 Richard Henderson <rth@redhat.com>
8390 * config/i386/i386.h: Fix comment typo.
8391 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8392 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8394 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8396 * gcc.c: Revert previous -fsyntax-only-related change; move
8397 to cp/g++spec.c.
8399 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8401 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8402 inmode after checking GET_CODE (op).
8404 2001-01-16 Richard Henderson <rth@redhat.com>
8406 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8407 (MAX_MEM_SET_LIST_LEN): New.
8408 (propagate_one_insn): Update mem_set_list_len.
8409 (invalidate_mems_from_autoinc): Likewise.
8410 (invalidate_mems_from_set): Likewise.
8411 (mark_used_regs): Likewise.
8412 (init_propagate_block_info): Likewise. Stop collecting memories
8413 when we reach MAX_MEM_SET_LIST_LEN.
8414 (mark_set_1): Likewise.
8416 2001-01-16 Richard Henderson <rth@redhat.com>
8418 * unroll.c (precondition_loop_p): Fail if no iteration
8419 variable found.
8421 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8423 * gcc.c: When -fsyntax-only is given, do not complain about
8424 unused libraries.
8426 2001-01-15 Richard Henderson <rth@redhat.com>
8428 * config/i386/i386.c (asm_output_function_prefix): Remove.
8429 (ix86_asm_file_end): New.
8430 (load_pic_register): Generate pic_label_name into a
8431 staticly allocated buffer.
8432 * config/i386/i386-protos.h: Update.
8433 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8434 (ASM_FILE_END): New.
8435 * config/i386/i386afe.h: New file.
8436 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8437 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8438 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8439 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8440 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8441 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8442 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8444 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8446 * Makefile.in (install-man): Remove explicit dependency on
8447 $(srcdir)/gcc.1.
8449 * configure.in, configure: Revert previous patch requiring perl
8450 5.6.0.
8452 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8454 * toplev.c (flag_guess_branch_prob): New.
8455 (f_options): Add guess-branch-probability option.
8456 (rest_of_decl_compilation): Only estimate branch probability if
8457 flag set.
8458 (main): set flag_guess_branch_prob.
8460 * flags.h (flag_guess_branch_prob): New.
8462 2001-01-15 DJ Delorie <dj@redhat.com>
8464 * gcc.texi (Makefile): Add documentation for Makefile targets.
8466 2001-01-15 Philip Blundell <philb@gnu.org>
8468 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8469 (is_pic): Delete.
8470 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8471 (is_pic): Delete declaration.
8472 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8473 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8474 * config/arm/arm.md (builtin_setjmp_receiver): New.
8476 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8478 * arm.c (use_return_insn): Don't try to determine the function type
8479 until after reload has completed.
8480 (arm_output_epilogue): Don't adjust the sp value recovered from the
8481 stack.
8482 (emit_multi_reg_push): Don't record dwarf information for the pc.
8483 * arm.md (eh_epilogue): The function type may have changed, so it
8484 needs to be recalculated.
8485 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8486 unwind tables on arm/netbsd.
8488 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8490 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8491 (negated_cbranchsi4): Likewise.
8493 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8495 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8496 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8497 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8498 pass -mapcs-* options to assembler.
8499 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8500 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8501 (ASM_SPEC): Call subtarget_extra_asm_spec.
8503 2001-01-15 Andreas Jaeger <aj@suse.de>
8505 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8506 warnings.
8507 (ix86_expand_builtin): Likewise.
8509 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8510 warning about comparison between signed and unsigned.
8512 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8514 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8516 2001-01-14 Ralf Baechle <ralf@gnu.org>
8518 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8519 SUBTARGET_CPP_SPEC apropriatly.
8521 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8523 * varasm.c (make_decl_rtl): Fix typo in last change.
8525 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8527 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8528 linker supports the init_priority C++ attribute.
8529 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8530 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8531 linker does not support init_priority C++ attribute.
8533 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
8535 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
8537 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8539 * c-parse.in (finish_parse): Add comment about cpp_destroy.
8540 * cp/lex.c (finish_parse): Similarly.
8541 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
8542 Return the number of errors encountered.
8543 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
8544 * cppmain.c (main): Don't call cpp_destroy.
8546 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
8548 * configure.in: Require at least perl 5.6.0 to regenerate
8549 manpages.
8550 * configure: Regenerate.
8552 2001-01-14 Richard Henderson <rth@redhat.com>
8554 * genrecog.c (DT_veclen_ge): New.
8555 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
8556 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
8557 (nodes_identical_1): Handle DT_veclen_ge.
8558 (write_cond, debug_decision_2): Likewise.
8560 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8562 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8563 with ...
8564 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8566 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8568 * cppmain.c (do_preprocessing): New function; most of the old
8569 main.
8570 (main): Call it to do most of the work.
8571 (cb): Move from global scope to set_callbacks ().
8572 (setup_callbacks): Get the callback pointer.
8573 (general_init, printer_init): Clean up code and comments.
8575 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8577 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8578 compiling PIC.
8580 2001-01-14 Kazu Hirata <kazu@hxi.com>
8582 * config/h8300/h8300.c (get_shift_alg): Update comments.
8584 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8586 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8587 (alloc_page, ggc_alloc): Add casts to remove warnings.
8589 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8591 * combine.c (simplify_comparison): Don't change `code' when
8592 can't reverse comparison.
8594 2001-01-14 Richard Henderson <rth@redhat.com>
8596 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8597 update all call sites. Return true for all non-label constants.
8599 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8601 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8602 parameters.
8603 (ix86_expand_branch): Update.
8604 (ix86_expand_setcc): Update to handle multiple test conditions.
8605 (expand_int_movcc): Likewise.
8606 (expand_fp_movcc): Likewise.
8607 * i386-protos.h (ix86_expand_compare): New.
8608 * i386.md (andqi_?_slp, orqi_?_slp): New.
8609 (conditional trap expander): Update call to ix86_expand_compare.
8611 2001-01-14 Richard Henderson <rth@redhat.com>
8613 * config/vax/vax.md: Use nonimmediate_operand instead of
8614 general_operand in destinations.
8616 * config/vax/vax.md (indirect_jump): Use register_operand.
8618 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8619 * config/vax/vax.md (call_pop): Turn into an expander.
8620 (call_value_pop): Likewise.
8621 (call, call_value): New.
8623 2001-01-14 Andreas Jaeger <aj@suse.de>
8625 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8626 variables.
8627 (ix86_fp_compare_mode): Add unused attribute.
8628 (ix86_expand_fp_movcc): Remove unused variable.
8629 (ix86_expand_builtin): Make fcode unsigned.
8631 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8632 (expand_expr): Add cast to avoid signed warning.
8633 (store_field): Likewise.
8634 (store_constructor_field): Likewise.
8635 (store_constructor): Likewise.
8636 (store_expr): Likewise.
8637 (clear_storage): Likewise.
8638 (emit_group_store): Likewise.
8639 (emit_group_load): Likewise.
8641 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8643 * c-common.c: Move format checking code to ...
8644 * c-format.c: ... here. New file. Reorder some functions and
8645 declarations.
8646 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8647 New functions.
8648 * c-common.h (decl_handle_format_attribute,
8649 decl_handle_format_arg_attribute): Declare.
8650 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8651 (c-common.o): Adjust dependencies.
8652 (c-format.o): New list of dependencies.
8654 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8656 * unroll.c (loop_iterations): If we cannot prove iteration variable
8657 is set once in each iteration, punt.
8659 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8661 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8662 (*strlenhi): Remove clobber (which was buggy) of output address.
8664 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8666 * Makefile.in (generated-manpages): Add gcc.1
8667 ($(srcdir)/gcc.1): New target.
8668 (maintainer-clean): Delete $(srcdir)/gcc.1.
8669 * gcc.texi: Add macros @gccoptlist and @gol.
8670 * invoke.texi: Include option summary in manpage. Mark up option
8671 summary with @gccoptlist and @gol. Use @r in one place where
8672 appropriate.
8673 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8674 * gcc.1: Generate from invoke.texi.
8676 2001-01-13 Richard Henderson <rth@redhat.com>
8678 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8679 (struct page_entry): Add group member.
8680 (struct page_group): New.
8681 (struct globals): Add page_groups member.
8682 (alloc_anon): Only define for using mmap; remove valloc call.
8683 (page_group_index): New.
8684 (set_page_group_in_use): New.
8685 (clear_page_group_in_use): New.
8686 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8687 (free_page, release_pages): Likewise.
8688 * configure.in (with-gc): Default to ggc-page always.
8690 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8692 * reload1.c (replace_pseudos_in_call_usage): Use
8693 reg_equiv_constant and reg_equiv_address, and don't try
8694 regno_reg_rtx first.
8696 2001-01-13 Richard Henderson <rth@redhat.com>
8698 * ggc-page.c (alloc_page): Round up allocation size to one page.
8699 Set e->order on extra pages.
8701 2001-01-13 Richard Henderson <rth@redhat.com>
8703 * genrecog.c (nodes_identical): Expand commentary.
8704 (write_switch): Watch out for identical nodes.
8706 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8708 * cppfiles.c (_cpp_fake_include): New function.
8709 * cpphash.h (_cpp_fake_include): New.
8710 * cpplib.c (do_line): Call _cpp_fake_include when entering
8711 header files in preprocessed input.
8712 * cppmain.c (cb_pragma_implementation): Remove handling.
8713 (setup_callbacks): Don't register pragmas.
8715 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8717 * extend.texi: Udate for CPP.
8719 2001-01-13 Andreas Jaeger <aj@suse.de>
8721 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8723 * regmove.c: Add prototype for replace_in_call_usage.
8725 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8727 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8728 struct cpp_chunk, struct htab, struct toklist,
8729 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8730 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8731 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8732 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8733 (struct macro_args): Delete.
8734 * cpphash.h: See above.
8736 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8738 * cppmain.c (struct printer): Remove no_line_dirs.
8739 (options, cb): New.
8740 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8741 : Use options rather than CPP_OPTION.
8742 (setup_callbacks): Use cb rather than pfile->cb.
8743 (main): No need to check for a buffer. Use cpp_errors.
8744 (printer_init): Don't set no_line_dirs.
8745 (maybe_print_line): Use options not no_line_dirs.
8746 (cb_file_change): Don't call print_line if -P.
8748 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8750 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8751 callbacks.
8752 * c-parse.in (finish_parse): Use cpp_errors.
8753 (__yylex): Use return value of cpp_pop_buffer.
8754 * cp/lex.c (finish_parse): Use cpp_errors.
8755 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8757 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8759 * README.AVR: URLs corrected.
8761 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8763 * c-decl.c (start_function): Don't warn if old prototype is builtin
8764 that's not in C's namespace.
8765 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8766 (_bb): Add prototype for ctime.
8767 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8769 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8771 * i386.c (ix86_fp_comparison_arithmetics_cost,
8772 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8773 ix86_fp_comparison_cost): New functions.
8774 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8775 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8776 two-branch sequences; make static.
8777 (ix86_use_fcomi_compare): Do decision according to the costs.
8778 (split_fp_branch): New.
8779 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8780 * i386-protos.h (ix86_expand_fp_compare): Remove
8781 (ix86_split_fp_branch): Declare.
8783 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8784 and ix86_comparison_operator.
8786 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8787 to make it cheaper.
8789 * i386.c (put_condition_code): Output properly the unordered/ordered
8790 compares in fp case.
8791 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8793 * tm.texi (REVERSE_CONDITION): Document.
8794 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8795 in -ffast-math mode.
8796 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8798 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8800 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8802 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8803 optimized away.
8805 * config/sh/sh.c (mova_p): Fix test for mova_const.
8807 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8809 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8810 cpp_get_options rather than dereferencing pfile and using
8811 CPP_OPTION.
8812 * scan-decls.c (scan_decls): Use return value of
8813 cpp_pop_buffer rather than CPP_BUFFER.
8815 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8817 * cppinit.c (cpp_handle_option): help_only is now part of the
8818 cpp_options structure.
8819 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8820 cpp_set_callbacks): New functions.
8821 * cpplib.h (cpp_callbacks): Break out as a named structure.
8822 (cpp_options): Move help_only here from cpp_reader.
8823 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8824 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8825 cpp_set_callbacks): New prototypes.
8826 * cppmain.c (main): Update for help_only.
8828 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8830 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8831 Also build and remove and install and uninstall c-tree.info and
8832 cppinternals.info.
8833 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8834 ($(srcdir)/cppinternals.info): New target.
8835 * c-tree.texi: Change file name used when makeinfo used without -o
8836 from ir.info to c-tree.info. Add info directory entry.
8837 * cppinternals.texi: Add info directory entry.
8838 * .cvsignore: Update.
8840 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8842 * c-typeck.c (store_init_value): Don't require constant initializer
8843 elements with -pedantic -std=c99.
8844 (digest_init): Change error about non-constant initializer elements
8845 into pedwarn.
8846 (constructor_range_end): Remove.
8847 (constructor_incremental, designator_depth,
8848 designator_errorneous): New variables.
8849 (struct constructor_stack): Remove range_end, add incremental.
8850 (struct constructor_range_stack, constructor_range_stack): New.
8851 (struct initializer_stack): Add constructor_range_stack.
8852 (finish_init): Set it.
8853 (start_init): Likewise. require_constant_elements for non-static
8854 trees only if not flag_isoc99.
8855 (really_start_incremental_init): Remove constructor_range_end, add
8856 constructor_incremental.
8857 (pop_init_level): Likewise.
8858 (push_init_level): Likewise. If implicit and the subobject had some
8859 value set already, preinitialize the level with it.
8860 Warn about missing braces only if not pushing due to designators.
8861 (set_designator, push_range_stack): New functions.
8862 (set_init_label): Use them.
8863 (set_init_index): Likewise. Remove constructor_range_end.
8864 Error if designator index is outside of array bounds.
8865 (add_pending_init): Compare values of purpose index trees, not the
8866 trees themselves. Allow overwriting of already initialized element.
8867 Issue a warning if it had side-effects.
8868 (set_nonincremental_init, set_nonincremental_init_from_string): New
8869 functions.
8870 (pending_init_member): Rename to...
8871 (find_init_member): ...this function. Call set_nonincremental_init
8872 if necessary. Compare values of purpose index trees, not the trees
8873 themselves. Return the actual value, not just non-zero if something
8874 is found.
8875 (output_init_element): Remove checks for duplicates.
8876 If field has zero size, only check the initializer for correctness.
8877 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8878 if constructor_incremental is zero. Change error about initializers
8879 not computable at load time into pedwarn.
8880 (output_pending_init_elements): Compare bit positions, not
8881 FIELD_DECLs to take into account zero-sized fields.
8882 (process_init_element): Use constructor_range_stack to fill all
8883 ranges in the designator lists from current level up.
8884 * extend.texi: Update documentation for labeled elements.
8886 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8888 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8889 to function usage for arguments passed by reference. Optimize
8890 callee-copied arguments.
8891 * regmove.c (replace_in_call_usage): New function.
8892 (fixup_match_1): Call it.
8893 * cse.c (cse_insn): Canonicalize registers in function usage.
8894 * reload1.c (replace_pseudos_in_call_usage): New function.
8895 (reload): Call it.
8897 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8898 right version.
8900 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8902 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8903 not XEXP (tmp, 0).
8905 2001-01-12 DJ Delorie <dj@redhat.com>
8907 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8908 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8909 targets.
8911 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8913 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8914 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8915 -std options alongside references to -ansi. Update some
8916 documentation for C99.
8917 * cpp.1: Regenerate.
8919 2001-01-12 Andreas Jaeger <aj@suse.de>
8921 * haifa-sched.c (restore_line_notes): Remove argument block B
8922 since it's unused.
8923 * sched-ebb.c (schedule_ebb): Change caller.
8924 * sched-rgn.c (schedule_region): Likewise.
8925 * sched-int.h (restore_line_notes): Adjust prototype.
8927 * loop.h: Remove wrong declaration of doloop_condition_get.
8929 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8931 * extend.texi: Move C++-extension-related node from the C section
8932 into the C++ section.
8934 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8936 * extend.texi: Refer to an array of pointers to functions instead
8937 of one of functions.
8939 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8940 Jan Hubicka <jh@suse.cz>
8942 * combine.c (reversed_comparison): Fix typo in last patch.
8943 Check X for NULL.
8944 (combine_reversed_comparison_code): Make static to follow
8945 prototype declaration.
8947 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8949 * install.texi: Remove misplaced duplicate entry.
8951 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8953 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8955 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8957 * final.c: (leaf_function_p): Fix typo.
8959 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8961 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8962 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8963 which you have.
8964 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8965 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8966 mmap_anon, and valloc is available.
8967 * ggc-page.c: Restructure ifdef logic to match new autoconf
8968 spec. Don't throw away the test page in init_ggc.
8970 * configure, config.in: Regenerate.
8972 2001-01-12 Michael Hayes <mhayes@redhat.com>
8974 * loop.h (total_biv_increment): Constify iv_class pointer.
8975 (struct induction): Replace `mem_mode' with `mem' rtx.
8976 * unroll.c (total_biv_increment): Constify iv_class pointer.
8977 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8978 (find_mem_givs, combine_givs_p): Likewise.
8979 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8981 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8983 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8984 LastError.
8985 (__gthread_getspecific): Ditto.
8987 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8989 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8990 put_condition_code): Convert fp comparison codes to integer
8991 before handling.
8992 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8993 to final.
8995 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8996 * i386-protos.h (no_comparison_operator): Kill.
8998 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9000 * combine.c (REVERSIBLE_CC_MODE): Remove.
9001 (reversible_comparison_p): Remove.
9002 (combine_reversed_comparison_code): New.
9003 (reversed_comparison): New.
9004 (combine_simplify_rtx): Use
9005 combine_reversed_comparison_code/reversed_comparison instead
9006 of reversible_comparison_p.
9007 (simplify_if_then_else): Likewise.
9008 (simplify_set): Likewise.
9009 (simplify_logical): Likewise.
9010 (if_then_else_cond): Likewise.
9011 (known_cond): Likewise.
9012 (simplify_comparison): Likewise.
9014 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9016 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9017 sizeof (int) is larger than sizeof(__word__).
9019 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9021 * cppinit.c (do_includes): Fix typo.
9023 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9025 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
9026 in S_REGS does not occur because not all sources are possible
9027 when a S_REGS is a destination (sometimes needs a clobber).
9028 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
9029 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
9030 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
9031 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
9032 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
9033 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
9034 (lshrdi_const1, lshrsi3_const16): Likewise.
9035 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
9036 (*movhi_68hc12, *movqi_68hc12): Likewise.
9037 (movstrictqi): Make sure reloading in D_REGS as a destination
9038 does not happen.
9040 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9042 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9044 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9046 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
9047 -D, -U and -A, and don't initialize the builtins.
9048 (do_includes): Error if -include or -imacros with -fpreprocessed.
9049 * cppmain.c (cb_define, cb_undef): Unconditionally process
9050 the callback.
9051 * tradcpp.c (main): Fix typo.
9053 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
9055 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
9056 (read_name_map): Use IS_ABSOLUTE_PATH.
9057 * tradcpp.c (get_filename): Likewise.
9059 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9061 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
9062 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
9063 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
9064 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
9065 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
9066 (cmphi_z_used): Don't use '@' for the output.
9067 (tstqi_z_used): Likewise.
9068 (cmpqi_z_used): Likewise.
9069 (one_cmplsi2): Likewise.
9071 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9073 * config/sh/sh.c (barrier_align): Recognize branch around far
9074 branch and redundant insn.
9076 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9078 * invoke.texi: Restore documentation of the drivers' switches -MD
9079 and -MMD.
9081 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9083 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9085 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9086 check-objc//%): Support parallel testing of multilibs.
9087 (TESTSUITEDIR): Set to testsuite by default, but override for
9088 parallel testing.
9089 (check-gcc, check-g++, check-g77, check-objc): Enter
9090 $(TESTSUITEDIR).
9092 2001-01-11 Bernd Schmidt <bernds@redhat.com>
9094 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9095 * sched-deps.c (deps_may_trap_p): Likewise.
9096 * basic-block.h: Remove a comment.
9097 * flow.c (PROP_POSTRELOAD): Remove.
9098 (update_life_info): Don't add it to prop_flags.
9099 (mark_set_1): Lose the code that was enabled by it.
9101 2001-01-11 Michael Hayes <mhayes@redhat.com>
9103 * flow.c (flow_call_edges_add): New.
9104 * basic_block.h (flow_call_edges_add): New.
9106 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
9108 * reload1.c (move2add_note_store): Update reg_set_luid even if
9109 base reg remains the same.
9111 2001-01-10 Nick Clifton <nickc@redhat.com>
9113 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9114 machine_function structure to zero.
9115 Add prototypes for machine_status functions.
9117 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9119 * c-common.h (CTI_VOID_LIST): Remove.
9120 (void_list_node): Likewise.
9121 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9122 (void_list_node): New macro.
9123 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9124 * config/i386/i386.c (ix86_init_builtins): Likewise.
9125 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9127 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9129 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9130 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9131 if statement.
9132 * tradcpp.c: Include mkdeps.h.
9133 (deps, print_deps_phony_targets, deps_append, output_deps,
9134 init_dependency_output, output_deps): New.
9135 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9136 deps_output): Delete.
9137 (print_deps_missing_files): Rename deps_missing_files.
9138 (inhibit_output): Make global.
9139 (main): Delete inhibit_output, deps_stream, deps_target.
9140 Use mkdeps functionality in the same way as cpplib. Remove
9141 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9142 -M and -MM. Remove old handling of deps via deps_out, and
9143 old reading of environment variables.
9144 (get_filename): Update to use deps_add_dep.
9146 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9148 * output.h (make_function_rtl): Remove prototype.
9149 (make_decl_rtl): Likewise.
9150 * varasm.c (make_function_rtl): Remove.
9151 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9152 than from a third parameter.
9153 * tree.h (make_decl_rtl): Remove last parameter.
9154 * c-decl.c (builtin_function): Remove last argument in call to
9155 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9156 (start_function): Likewise.
9157 * except.c (call_get_eh_context): Likewise.
9158 * expr.c (emit_block_move): Likewise.
9159 (clear_storage): Likewise.
9160 * profile.c (output_func_start_profiler): Likewise.
9161 * toplev.c (rest_of_decl_compilation): Likewise.
9162 * objc/objc-act.c (create_builtin_decl): Likewise.
9163 (synth_module_prologue): Likewise.
9164 (generate_static_reference): Likewise.
9165 (build_selector_reference_decl): Likewise.
9166 (build_class_reference_decl): Likewise.
9167 (build_objc_string_decl): Likewise.
9168 (build_protocol_reference): Likewise.
9170 2001-01-10 Richard Henderson <rth@redhat.com>
9172 * hwint.h: Revert yesterday's change.
9174 2001-01-10 Nick Clifton <nickc@redhat.com>
9176 * function.h (save_machine_status): Delete.
9177 (restore_machine_status): Delete.
9178 Amend comment describing {init|mark|free}_machine_status.
9180 * function.c (save_machine_status): Delete.
9181 (restore_machine_status): Delete.
9182 Amend comment describing {init|mark|free}_machine_status.
9183 (push_function_context_to): Remove invocation of
9184 save_machine_status.
9185 (pop_function_context_from): Remove invocation of
9186 restore_machine_status.
9188 * emit-rtl.c (init_emit_once): Amend comment describing
9189 {init|mark|free}_machine_status.
9191 * tm.texi (Per-Function Data): New node. Describe the
9192 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9193 function pointers.
9195 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9197 * cppinit.c (OPT_g): Remove.
9198 (cpp_handle_option): Update for removed -g3.
9199 (print_help): Update.
9200 * cpplib.h (struct cpp_options): Remove debug_output.
9201 * cppmain.c (setup_callbacks, cb_define): Update.
9202 * gcc.c (cpp_options): Translate -g3 to -dD.
9204 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9206 * config/i960/i960.md: Change modifier to + on the zero_extract
9207 pattern after the (rotate -2 reg) canonicalization pattern.
9209 2001-01-10 Richard Henderson <rth@redhat.com>
9211 * config/alpha/alpha.c (alpha_free_machine_status): New.
9212 (override_options): Install it.
9213 (alpha_mark_machine_status): Verify machine non-null.
9214 * config/i386/i386.c (ix86_free_machine_status): New.
9215 (override_options): Install it.
9216 (ix86_init_machine_status): Use xcalloc.
9217 (ix86_mark_machine_status): Verify machine non-null.
9218 * config/ia64/ia64.c (ia64_free_machine_status): New.
9219 (ia64_override_options): Install it.
9220 (ia64_mark_machine_status): Verify machine non-null.
9222 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9224 * function.c (instantiate_virtual_regs): Instantiate virtual
9225 registers found in CALL_INSN_FUNCTION_USAGE.
9227 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9229 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9230 equivalent to -ansi in disabling -Di386.
9232 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9234 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9235 new functions.
9236 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9238 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9240 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9242 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9244 * invoke.texi: Document that -fcond-mismatch isn't supported for
9245 C++.
9247 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9249 * gcc.texi: Define macro gcctabopt.
9250 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9251 @command, @env and @option in some places where appropriate. Use
9252 @gcctabopt where appropriate. Put URLs and email addresses inside
9253 @w.
9255 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9257 * gcc.c (cpp_options): Set MD file name from output
9258 filename, if specified.
9259 (suffix_subst): New static variable.
9260 (do_spec): Clear it.
9261 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9262 Clear it.
9263 (give_switch): Handle suffix_subst.
9265 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9267 * invoke.texi: Fix another typo.
9269 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9271 * invoke.texi: Fix typo.
9273 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9275 * c-lang.c (lang_hooks): Update.
9276 (lang_decode_option): Remove.
9277 (lang_init_options): Rename c_init_options.
9278 * toplev.c (main): Use lang_hooks for lang_init_options
9279 and lang_decode_option.
9280 * toplev.h (lang_hooks): Add 2 new hooks.
9281 * tree.h: Remove lang_init_options and lang_decode_option.
9282 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9283 * cp/decl2.c: Similarly.
9284 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9285 (lang_hooks): Update.
9286 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9287 for consistency.
9288 (lang_init_options): Rename ffe_init_options.
9289 (lang_hooks): Update.
9290 (lang_decode_option): Remove.
9291 * java/lang.c (lang_init_options): Rename java_init_options.
9292 (lang_decode_option): Rename java_decode_option.
9293 (lang_hooks): Update.
9294 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9295 (lang_decode_option): Rename objc_decode_option.
9296 (lang_hooks): Update.
9298 2001-01-09 Nick Clifton <nickc@redhat.com>
9300 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9301 (d30v_return_addr_rtx): Delete.
9302 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9303 cfun->machine structure.
9304 (struct machine_function): Move to d30v.h
9305 (d30v_save_machine_status): Delete.
9306 (d30v_restore_machine_status): Delete.
9307 (d30v_init_machine_status): New Function.
9308 (d30v_mark_machine_status): New Function.
9309 (d30v_free_machine_status): New Function.
9310 (d30v_init_expanders): Use new functions.
9311 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9312 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9313 d30v_return_addr_rtx.
9315 * config/d30v/d30v.h (struct_machine): Move here.
9316 Add eh_epilogue_sp_ofs field.
9318 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9319 field in cfun->machine structure.
9321 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9323 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9324 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9325 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9327 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9329 * objc/lang-options.h: Remove bogus reference to
9330 Java trademark.
9332 2001-01-09 Kazu Hirata <kazu@hxi.com>
9334 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9335 return the result.
9337 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9339 * reload.c (find_reloads_address): Check for eliminable registers
9340 when substituting a constant expression for a pseudo.
9342 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9344 * c-common.c (enum format_type): Add format_type_error.
9345 (decode_format_type): New function.
9346 (decl_attributes): Use it.
9347 (format_kind_info): Adjust comment.
9349 2001-01-09 David O'Brien <obrien@BSDi.com>
9351 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9352 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9353 files in tm_file.
9354 * config/i386/gnu.h: Don't include required platform specific .h files,
9355 tm.h will do it instead.
9356 * config/i386/i386elf.h: Likewise.
9357 * config/i386/linux.h: Likewise.
9358 * config/i386/moss.h: Likewise.
9359 * config/mips/gnu.h: Likewise.
9361 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9363 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9364 (rs6000-ibm-aix3.[01]*): Likewise.
9365 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9366 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9367 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9368 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9369 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9370 (powerpc-*-eabiaix*): Likewise.
9371 (powerpc-*-eabisim*): Likewise.
9372 (powerpc-*-elf*): Likewise.
9373 (powerpc-*-eabi*): Likewise.
9374 (powerpc-*-rtems*): Likewise.
9375 (powerpc-*-linux*libc1): Likewise.
9376 (powerpc-*-linux*): Likewise.
9377 (powerpc-wrs-vxworks*): Likewise.
9378 (powerpcle-wrs-vxworks*): Likewise.
9379 (powerpcle-*-sysv*): Likewise.
9380 (powerpcle-*-elf*): Likewise.
9381 (powerpcle-*-eabisim*): Likewise.
9382 (powerpcle-*-eabi*): Likewise.
9383 (powerpcle-*-solaris2*): Likewise.
9384 * config/rs6000/aix31.h: Delete includes.
9385 * config/rs6000/aix3newas.h: Likewise.
9386 * config/rs6000/aix41.h: Likewise.
9387 * config/rs6000/aix43.h: Likewise.
9388 * config/rs6000/beos.h: Likewise.
9389 * config/rs6000/rtems.h: Likewise.
9390 * config/rs6000/sysv4.h: Likewise.
9392 2001-01-09 Kazu Hirata <kazu@hxi.com>
9394 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9395 Change an argument mode of machine_mode to shift_mode of
9396 shift_mode. Remove an extra error check.
9397 (emit_a_shift): Adopt to the new calling prototype of
9398 get_shift_alg.
9399 (function_prologue): Fix code for a monitor
9400 function. Support H8/S.
9401 (function_epilogue): Do not output pop for a monitor function.
9403 2001-01-09 Nick Clifton <nickc@redhat.com>
9405 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9406 (setup_incoming_varargs): Use sysv_varargs_p field of the
9407 cfun->machine structure.
9408 (struct machine_function): Move to rs6000.h
9409 (rs6000_save_machine_status): Delete.
9410 (rs6000_restore_machine_status): Delete.
9411 (rs6000_init_machine_status): New Function.
9412 (rs6000_free_machine_status): New Function.
9413 (rs6000_init_expanders): Use new functions.
9415 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9416 export.
9417 (struct machine_function): Move here.
9419 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9420 sysv_varargs_p field of the cfun->machine structure.
9422 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9423 Remove prototype.
9424 (rs6000_restore_machine_status): Remove prototype.
9426 2001-01-09 Richard Henderson <rth@redhat.com>
9428 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9429 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9430 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9431 (sched_analyze_2, sched_analyze_insn): Likewise.
9432 (sched_analyze, init_deps): Likewise.
9433 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9434 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9435 (compute_block_backward_dependences): Update propagate_deps call.
9437 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9439 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9441 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9443 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9444 (cpp_handle_option): Handle them.
9445 (cpp_post_options): Ensure one of -M or -MM is specified with
9446 any other -M? option.
9447 (init_dependency_output): Suppress output with -MG.
9449 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9451 * cpp.texi: Update.
9452 * invoke.texi: Update.
9454 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9456 * sh.md (reload_outsf): Generate recognizable patterns for
9457 TARGET_SH3E.
9459 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9461 * c-lang.c (lang_hooks): Update.
9462 (lang_init): Rename c_init.
9463 (lang_finish): Remove.
9464 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9465 and lang_finish ().
9466 * toplev.h (lang_hooks): Add init () and finish ().
9467 * tree.h (lang_init, lang_finish): Remove.
9468 * cp/tree.h (lang_init, lang_finish): Remove.
9469 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9470 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9471 lang_hooks): New.
9472 (lang_init, lang_finish): Remove.
9473 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9474 (lang_hooks): Update.
9475 * java/lang.c (lang_init): Rename java_init.
9476 (lang_finish): Remove.
9477 (lang_hooks): Update.
9478 * objc/objc-act.c (lang_init): Rename objc_init.
9479 (lang_finish): Remove.
9480 (lang_hoooks): Update.
9482 20001-01-09 Graham Stott <grahams@redhat.com>
9484 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9485 after `ptr` is initialised.
9487 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9489 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9490 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9491 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9492 stack adjusts, instead of r3.
9494 2001-01-09 Michael Hayes <mhayes@redhat.com>
9496 * flow.c (flow_loop_scan): Break out of ...
9497 (flow_loops_find) ... here.
9498 * basic-block.h (flow_loop_scan): New.
9499 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9500 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9502 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9504 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9505 macro_buffer_len.
9506 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9507 realloc()ing macro_buffer.
9509 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9510 if it's wider than long and the target's long is wider than the
9511 host's.
9513 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9515 Remove support for using UWIN as a host machine.
9516 * configure.in: Issue an error message.
9517 * configure: Regenerated.
9518 * config.gcc: Remove xm_* UWIN configury.
9519 * config/i386/xm-uwin.h: Remove.
9521 2001-01-08 Nick Clifton <nickc@redhat.com>
9523 * config/v850/v850.c (ra_rtx): Delete.
9524 (v850_save_machine_status): Delete.
9525 (v850_restore_machine_status): Delete.
9526 (v850_init_machine_status): New function.
9527 (v850_mark_machine_status): New function.
9528 (v850_free_machine_status): New function.
9529 (v850_return_addr): Use ra_rtx field in machine structure.
9530 (v850_init_expanders): Use new functions.
9532 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
9533 * config/v850/v850.c: Change arguments to v850_output+* functions
9534 to take a const char *, to avoid compile time warning.
9535 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
9536 (USER_LABEL_PREFIX): Redefine.
9538 2000-01-08 Jim Wilson <wilson@redhat.com>
9540 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
9541 1 to unsigned HOST_WIDE_INT before left shift.
9543 2001-01-08 Nick Clifton <nickc@redhat.com>
9545 * config/arm/arm.c (arm_mark_machine_status): Check to see if
9546 the machine structure has been allocated.
9547 (arm_free_machine_status): New function: Free the machine
9548 specific function structure.
9550 2001-01-08 Richard Henderson <rth@redhat.com>
9552 * jump.c (simplejump_p): Revert last change.
9554 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
9556 * cppinit.c (init): Rename init_library.
9557 (cpp_create_reader): Update.
9558 * gcc.c (cpp_options): If -o given, use it as the target of
9559 any -M options.
9561 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9563 * arm.c (arm_arch5e): New variable.
9564 (all_cores): XScale is a 5TE device.
9565 (arm_override_options): Set arm_arch5e.
9566 (arm_init_builtins): __builtin_prefetch is in arch5e.
9567 * arm.h (arm_arch5e): Declare it.
9569 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9571 * arm.md (define_constants): Add defines for UNSPEC and
9572 UNSPEC_VOLATILE insns. Update all users.
9573 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9574 * arm.c (multi_register_push, note_invalid_constants)
9575 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9576 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9577 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9579 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9581 * jump.c (jump_optimize_1): Use reversed_comparison_code
9582 instead of can_reverse_comparison_p.
9583 (jump_back_p): Likewise.
9584 (invert_exp_1): Likewise.
9585 (thread_jumps): Likewise.
9586 * simplify-rtx.c (simplify_unary_operation): Likewise.
9587 (simplify_ternary_operation): Likewise.
9588 * cse.c (find_comparison_args): Convert to use
9589 can_reverse_comparison_p.
9590 (record_jump_equiv): Likewise.
9592 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9594 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9595 (EPILOGUE_USES): Define.
9596 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9597 automatically stack the LR if it isn't live.
9599 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9601 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9602 properly.
9604 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9606 * ggc-page.c (max_alignment): New structure.
9607 (MAX_ALIGNMENT): New macro.
9608 (init_ggc): Use it to round up the sizes in the
9609 extra_order_size_table.
9611 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9613 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9614 after reload.
9616 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9618 * builtins.def (BUILT_IN_FPRINTF): New entry.
9620 * c-common.c (c_expand_builtin_fprintf): New function.
9621 (init_function_format_info): Handle __builtin_fprintf.
9622 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9623 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9625 * c-decl.c (duplicate_decls): Adjust comment.
9627 * extend.texi (fprintf): Document new builtin.
9629 2001-01-07 Richard Henderson <rth@redhat.com>
9631 * jump.c (simplejump_p): Recognize any single_set jump
9632 of the proper form.
9634 2001-01-07 Richard Henderson <rth@redhat.com>
9636 * configure.in (slibdir): Accept an --with-slibdir option.
9637 Use "test" not "[" in configure. Default to $(libdir).
9639 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9640 fix typo in rm -f.
9641 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9642 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9643 (SHLIB_LINK): Create links for the soname.
9644 * config/mips/t-iris6: Likewise.
9645 * config/sparc/t-slibgcc: Likewise.
9646 * config/sparc/t-slibgcc-sld: Likewise.
9648 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9650 * config/i386/i386.c (constant_call_address_operand): Accept
9651 (const (plus (symbol_ref) (const_int))).
9652 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9653 constant_call_address_operand.
9655 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9657 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9658 and LONG_LONG_TYPE_SIZE > 32.
9660 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9662 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9663 the previous change.
9665 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9667 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9668 New.
9669 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9670 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9671 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9672 Declare.
9674 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9676 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9678 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9680 * c-lang.c (c_post_options): Call cpp_post_options.
9681 * objc/objc-act.c (objc_post_options): Similarly.
9682 * cppmain.c (main): Similarly.
9683 * fix-header.c (read_scan_file): Similarly.
9684 * cppinit.c (cpp_start_read): Move option consistency checks
9685 to cpp_post_options. Don't call init_dependency_output.
9686 If needed, add default target and main file dependency.
9687 (OPT_MD, OPT_MMD): Remove.
9688 (OPT_MF): New.
9689 (cpp_handle_option): Update for OPT_* changes.
9690 (cpp_post_options): New.
9691 (init_dependency_output): Command line -MF overrides environment
9692 variables. Don't set default target etc. Suppress output
9693 if dependencies are going to stdout.
9694 (print_help): Update.
9695 * cpplib.h (cpp_post_options): New.
9696 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9698 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9700 * jump.c (comparison_dominates_p): Support unordered compares.
9702 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9704 * simplify-rtx.c (simplify_relational_operation): Always simplify
9705 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9706 and UNGE.
9708 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9710 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9711 (nonzero_bits): Likewise.
9712 (simplify_comparison): Likewise.
9713 (num_sign_bit_copies): Likewise; return more sane value depending
9714 on STORE_FLAG_VALUE.
9715 (known_cond): Do not assume EQ to be always true for equivalent
9716 operands.
9718 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9720 * cse.c (fold_rtx): Handle unordered comparisons.
9722 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9724 * rtlanal.c (set_of_1): New static function.
9725 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9726 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9727 reg_set_last_last_regno): Remove.
9728 (set_of): New global function.
9729 (set_of_data): New structure.
9730 (reg_set_p, reg_set_last): Revamp for set_of.
9731 * rtl.h (set_of): New.
9733 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9735 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9736 * extend.texi: Document _Exit builtin.
9738 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9740 * (initialize, initialize_builtins,
9741 initialize_dependency_output, initialize_standard_includes):
9742 Rename s/initialize/init. Update.
9743 (init_dependency_output): Move to after
9744 cpp_handle_options, the correct location temporally at least.
9745 (opt_comp): Move next to init (), its caller. Fix prototype.
9746 (init): Make "initialized" local scope.
9747 (cpp_create_reader): Always call init ().
9748 (cpp_start_read): Update.
9749 (output_deps): New function, broken out of cpp_finish.
9750 (cpp_finish): Break out output_deps.
9752 2001-01-07 Richard Henderson <rth@redhat.com>
9754 * collect2.c (COFF specific stuff): Revert 12-06 patch
9755 to prototype system functions.
9757 2001-01-07 Michael Hayes <mhayes@redhat.com>
9759 * hard-reg-set.h: Add multiple include guard.
9760 * basic-block.h (struct loop): Add `sink' field.
9761 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9762 (emit_iv_add_mult): Delete.
9763 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9764 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9765 (unroll_loop): Remove end_insert_before argument.
9766 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9767 (maybe_eliminate_biv_1): Likewise.
9768 (emit_iv_add_mult): Delete.
9769 (gen_add_mult, loop_regs_update): New.
9770 (loop_insn_emit_after, loop_insn_emit_before): New.
9771 (loop_insn_sink, loop_insn_sink_or_swim): New.
9772 (emit_iv_add_mult): Delete.
9773 (scan_loop): Set loop->sink.
9774 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9775 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9776 (maybe_eliminate_biv_1): Likewise.
9777 (maybe_eliminate_biv_1): Add basic block argument.
9778 * unroll.c (unroll_loop): Remove end_insert_before argument.
9779 (find_splittable_regs): Likewise.
9780 (find_splittable_regs): Use loop_insn_sink and its ilk.
9781 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9783 2001-01-07 Michael Hayes <mhayes@redhat.com>
9785 * loop.h (loop_insn_hoist): New prototype.
9786 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9787 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9788 (check_dbra_loop, load_mems): Likewise.
9789 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9790 (find_splittable_givs): Likewise.
9792 2001-01-07 Michael Hayes <mhayes@redhat.com>
9794 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9796 2001-01-07 Richard Henderson <rth@redhat.com>
9798 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9800 2001-01-07 Richard Henderson <rth@redhat.com>
9802 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9803 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9804 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9805 variant that handles a shared libgcc.
9806 (process_command): Always validate -{static,shared}-libgcc.
9807 (do_spec_1): New 'M' case.
9808 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9810 2001-01-07 Richard Henderson <rth@redhat.com>
9812 * Makefile.in (slibdir): New variable.
9813 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9814 (installdirs): Create slibdir.
9815 (install-libgcc, install-multilib): Defer to libgcc.mk.
9816 * configure.in (slibdir): Substitute.
9817 * mklibgcc.in (install): New target.
9819 * config/t-linux (SHLIB_LINK): Create links for the soname.
9820 (SHLIB_INSTALL): New.
9821 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9822 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9823 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9824 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9825 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9827 2001-01-07 Richard Henderson <rth@redhat.com>
9829 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9830 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9831 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9833 2001-01-07 Michael Hayes <mhayes@redhat.com>
9835 * loop.c (count_loop_regs_set): Delete.
9836 (load_mems_and_recount_loop_regs_set): Delete.
9837 (loop_regs_scan): Merge common code from count_loop_regs_set,
9838 scan_loop, and load_mems_and_recount_loop_regs_set.
9839 (scan_loop): Call load_mems directly and loop_regs_scan
9840 again if new registers created.
9842 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9844 * toplev.c (main): Call the front-end specific post_options
9845 hook if one is given.
9846 * toplev.h (struct_lang_hooks, lang_hooks): New.
9847 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9848 for the C front end.
9849 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9850 lang_hooks for the C++ front end.
9851 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9852 lang_hooks for the ObjC front end.
9853 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9854 * java/lang.c (lang_hooks): Hooks for the Java front end.
9856 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9858 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9859 for verbose DWARF[2] debugging.
9860 (cb_define, cb_undef): The new callbacks.
9861 * toplev.h (debug_define, debug_undef): Make const correct.
9862 * toplev.c (debug_define, debug_undef): Similarly. Do not
9863 perform the verbosity tests here anymore.
9865 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9867 * reload.c (subst_reloads): Take INSN argument. When
9868 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9869 * reload.h (subst_reloads): Adjust prototype.
9870 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9871 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9872 present in JUMP_INSNs and copy them to JUMP_LABEL.
9873 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9874 JUMP_INSNs and insns with REG_LABELs that are followed by
9875 JUMP_INSNs with the same REG_LABEL.
9876 * sched-rgn.c (is_cfg_nonregular): Likewise.
9877 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9878 note is available.
9879 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9880 JUMP_INSNs too.
9881 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9883 2001-01-06 Richard Henderson <rth@redhat.com>
9885 * loop.c (scan_loop): Use xcalloc for the regs array.
9886 (load_mems_and_recount_loop_regs_set): Zero the new memory
9887 received from xrealloc.
9889 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9891 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9893 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9895 * integrate.c (copy_rtx_and_substitute): When copying
9896 an ignored return value, strip REG_FUNCTION_VALUE_P.
9898 2001-01-06 Michael Hayes <mhayes@redhat.com>
9900 * loop.c (debug_biv, debug_giv): New.
9901 (loop_biv_dump): Break out from ...
9902 (record_biv): ... here.
9903 (loop_giv_dump): Break out from ...
9904 (record_giv): ... here.
9905 (loop_bivs_check): Use print_simple_rtl.
9906 * unroll.c (loop_iterations): Use print_simple_rtl.
9908 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9910 * pa.md (return, return_internal): Modify patterns to prevent regrename
9911 mucking with the return pointer.
9913 2001-01-05 Richard Henderson <rth@redhat.com>
9915 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9917 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9919 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9920 version supplied by Matteo Frigo.
9922 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9924 * cpp.texi: Update for -MQ.
9925 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9926 (cpp_cleanup): Always free pfile->deps.
9927 (initialize_dependency_output): Don't create pfile->deps.
9928 (cpp_handle_option): Similarly.
9929 (OPT_MQ): New.
9930 * gcc.c (cpp_options): Handle -MQ.
9931 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9932 * mkdeps.c (base_name): Remove.
9933 (deps_init): Don't allocate vector space until it's needed.
9934 (deps_free): Only free vectors if allocated.
9935 (deps_add_target, deps_add_dep): Update for initial allocation.
9936 (deps_add_default_target): Don't strip to the base_name.
9938 2001-01-05 DJ Delorie <dj@redhat.com>
9940 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9941 (INIT_EXPANDERS): Define.
9943 * config/v850/v850.c (struct machine_function): Define.
9944 (v850_save_machine_status): New function.
9945 (v850_restore_machine_status): New function.
9946 (v850_return_addr): New function.
9947 (v850_init_expanders): New function.
9949 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9950 and v850_init_expanders.
9952 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9954 * cpplib.h (struct cpp_reader): Add help_only field.
9955 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9956 (cpp_handle_option): Set pfile->help_only if we see -h,
9957 --help, -target-help, or --version. Print version string but
9958 do not set help_only if we see -v or -version. Make text
9959 printed by -v match that printed by (-)-version.
9961 * cppmain.c (main): Exit after option parsing if
9962 pfile->help_only is true.
9964 * toplev.c (independent_decode_option): Call print_version,
9965 then exit, if we see --version (but not -version).
9966 (print_version): Split lengthy message into two lines.
9968 2001-01-05 Nick Clifton <nickc@redhat.com>
9970 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9971 temporary string for initialisation before calling ggc_alloc_string.
9973 2001-01-06 Michael Hayes <mhayes@redhat.com>
9975 * rtl.h (print_simple_rtl): New.
9976 * print-rtl.c (print_simple_rtl): New.
9977 (flag_simple): New.
9978 (print_rtx): Disable printing of flags and modes, etc.,
9979 if `flag_simple` nonzero.
9981 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9983 * function.c (fixup_var_refs): Use push_to_full_sequence where
9984 possible.
9986 2001-01-05 Michael Meissner <meissner@redhat.com>
9988 * flags.h (flag_reorder_blocks): Add declaration.
9989 (flag_rename_block): Ditto.
9991 2001-01-05 DJ Delorie <dj@redhat.com>
9993 * function.c (reorder_blocks): Make sure the flags are all reset
9994 before using them to mark blocks, else a second invocation will
9995 corrupt the block chain.
9996 (reorder_blocks_0): New, resets the flags.
9998 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10000 * cse.c (find_comparison_args): Stop if the argument is known to
10001 be constant.
10003 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10005 * config/sh/sh.md (movdf): When splitting load into pair of
10006 registers, don't clobber the register used in the address too
10007 early.
10009 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10011 * varasm.c (mark_constant_pool): Improve initial comments.
10012 (mark_constants): Move marking of constants to mark_constant.
10013 (mark_constant): New function to recursively mark all constants
10014 referred to by a constant.
10016 2001-01-05 Catherine Moore <clm@redhat.com>
10018 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10020 2001-01-05 Phil Edwards <pme@sources.redhat.com>
10022 * cp/lang-options.h: Bring comment in line with reality.
10023 * f/lang-options.h: Likewise.
10024 * java/lang-options.h: Likewise.
10025 * objc/lang-options.h: Likewise.
10026 * ch/lang-options.h: Likewise.
10027 * f/g77.texi: And update the manual.
10029 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
10030 Denis Chertykov <denisc@overta.ru>
10032 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
10033 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
10034 * config/avr/avr.md (all peepholes that request a scratch register):
10035 Call it, FAIL the peephole if not safe (in interrupt functions).
10037 2001-01-05 Mark Mitchell <mark@codesourcery.com>
10039 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
10041 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
10043 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
10044 Define.
10045 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
10046 BUILT_IN_CREAL and BUILT_IN_CIMAG.
10047 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
10048 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
10049 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
10050 BUILT_IN_CIMAG.
10051 * extend.texi: Document these builtins.
10053 2001-01-05 Daniel Berlin <dberlin@redhat.com>
10055 * c-common.c (lang_get_alias_set): Say we know nothing of
10056 VECTOR_TYPE aliasing.
10058 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
10060 2001-01-05 Bruce Korb <bkorb@gnu.org>
10062 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
10063 their x* equivalent versions for atexit-less systems
10064 * fixinc/fixincl.c(main): do not return from main() on atexit-less
10065 systems (or any other system any more).
10067 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
10069 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10070 output operands. Use arm_hard_register_operand for operand 4.
10071 (stmsi_postinc): Similarly.
10072 (ldmsi): Use arm_hard_register_operand for opernand 2.
10073 (stmsi): Similarly.
10074 * arm.c (arm_hard_register_operand): New function.
10075 * arm-protos.h (arm_hard_register_operand): Prototype it.
10077 * arm.h (HARD_REGNO_RENAME_OK): Define.
10079 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10081 * simplify-rtx.c (cfc_args): add "unordered" field.
10082 (check_fold_consts): Set unordered field.
10083 (simplify_relational_operation): Simplify the unordered
10084 comparisons.
10086 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10087 is valid.
10089 * emit-rtl.c (try_split): Fix code to mark labels.
10090 * jump.c (mark_jump_label): Make global.
10091 * rtl.h (mark_jump_label): Declare.
10093 * predict.c (estimate_probability): Handle unordred comparisons.
10095 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10097 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10098 * cppinit.c (initialize_dependency_output): Update.
10099 (cpp_finish): Output dummy targets for -MP.
10100 (OPT_MP): New.
10101 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10102 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10103 * gcc.c (cpp_options): Update to handle -MP.
10104 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10105 to quote only the default target.
10106 (deps_phony_targets): Insert a preceding newline. Rename from
10107 deps_dummy_targets for consistency.
10108 * mkdeps.h: Update
10110 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10112 * calls.c (emit_library_call_value_1): Support
10113 INIT_CUMULATIVE_LIBCALL_ARGS.
10114 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10116 2001-01-04 Richard Henderson <rth@redhat.com>
10118 * c-decl.c (finish_struct): Detect flexible array members
10119 used in an inappropriate context.
10120 * c-typeck.c (really_start_incremental_init): Special case
10121 constructor_max_index for zero length arrays.
10122 (pop_init_level): Allow initialization of flexible array
10123 members. Deprecate initialization of zero length arrays.
10124 Don't issue missing initializer warning for flexible array
10125 members or zero length arrays.
10126 (process_init_element): Don't dereference null DECL_SIZE.
10127 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10128 Don't abort for empty constructors. Use size_binop
10129 (output_constructor): Add commentary regarding zero length
10130 array futures. Abort if we try to initialize an array of
10131 unspecified length with a non-empty constructor in the middle
10132 of a structure.
10134 * extend.texi (Zero Length): Update and clarify documentation
10135 on static initialization.
10137 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10139 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10140 with more than 32767 words of local storage.
10142 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10144 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10145 for 'abs', 'labs', and 'fabs'.
10146 (c4x_expand_builtin): Likewise.
10147 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10149 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10151 * config/sh/sh.md (prget, prset): New insn types.
10152 (return delay slot): Dont' allow prset.
10153 (call, sfunc delay slot): Don't allow prget.
10154 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10155 for prset and prget.
10157 2001-01-05 Michael Hayes <mhayes@redhat.com>
10159 * loop.h (struct loop_reg): New.
10160 (struct loop_regs): Change to use array of `struct loop_reg'.
10161 * loop.c: Replace assortment of varrays with single regs array.
10162 (count_one_set): Delete may_not_move array argument
10163 and use regs array instead. All caller's changed.
10164 (count_loop_regs_set): Delete may_not_move and single_usage
10165 arguments and use regs array instead. All caller's changed.
10166 (find_single_use_in_loop): Replace usage array argument with pointer
10167 to regs structure. All caller's changed.
10168 (loop_optimize): Delete `moved_once' array.
10170 2001-01-05 Michael Hayes <mhayes@redhat.com>
10172 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10173 Use it instead of loop_info->has_call for scanning loop mems.
10174 (check_dbra_loop): Replace loop_info->has_call test with
10175 loop_info->has_nonconst_call.
10177 2000-01-04 Matthew Hiller <hiller@redhat.com>
10179 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10180 for TARGET_SH3E.
10182 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10184 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10185 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10187 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10189 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10190 (flag_short_double, flag_short_wchar): Define.
10191 (c_common_nodes_and_builtins): Create many tree nodes shared
10192 between C and C++ here instead of in cp/decl.c and ...
10193 * c-decl.c (init_decl_processing): ... here.
10194 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10195 (flag_short_double, flag_short_wchar): Don't define.
10196 (record_builtin_type): New function.
10197 (build_void_list_node): New function.
10198 * c-common.h (flag_short_double, flag_short_wchar,
10199 record_builtin_type, build_void_list_node): Declare.
10201 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10203 * integrate.c (expand_inline_function): Don't put a virtual
10204 register into the reg map.
10206 * function.c (fixup_var_refs_1): If force_operand didn't put
10207 the address into the target, move it there.
10209 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10211 Special-case tree_decl/tree_list allocations.
10212 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10213 (OBJECT_SIZE): New macro.
10214 (NUM_EXTRA_ORDER): Likewise.
10215 (extra_order_size_table): New variable.
10216 (NUM_ORDERS): New macro.
10217 (objects_per_page_table): New variable.
10218 (object_size_table): New variable.
10219 (G.pages): Use NUM_ORDERS to bound the array.
10220 (G.page_tails): Likewise.
10221 (DIV_ROUND_UP): Remove.
10222 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10223 (alloc_page): Use OBJECT_SIZE.
10224 (size_lookup): Don't make it const.
10225 (ggc_alloc): Use OBJECT_SIZE.
10226 (ggc_set_mark): Likewise.
10227 (ggc_get_size): Likewise.
10228 (init_ggc): Set up the object_size_table, objects_per_page_table,
10229 and adjust size_lookup.
10230 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10231 (ggc_pop_context): Use NUM_ORDERS.
10232 (clear_marks): Likewise.
10233 (sweep_pages): Likewise.
10234 (poison_pages): Likewise.
10235 (ggc_print_statistics): Use OBJECT_SIZE.
10237 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10239 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10240 Only call array_size_for_constructor if last field and array type
10241 with no upper bound.
10243 2001-01-04 Philip Blundell <philb@gnu.org>
10245 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10246 from bit 31 downwards, if this requires no more insns.
10247 (count_insns_for_constant): New helper function for above.
10249 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10251 * gencodes.c (output_predicate_decls): Remove empty initializer.
10253 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10255 * tree.c (copy_node): Remove documentation about obstacks.
10256 (buidl1): Check that nobody tries to build 2-argument nodes this
10257 way.
10259 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10261 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10262 fp_high_losum_p.
10264 * gencodes.c (output_predicate_decls): Fill empty initializer
10265 braces.
10267 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10269 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10270 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10271 or -MM.
10272 (do_include): Handle missing headers like cpp0.
10273 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10274 paths with first include pathname. Don't strcat to uninitialized
10275 string.
10277 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10279 * regrename.c (regrename_optimize): Don't rename from frame pointer
10280 if frame_pointer_needed.
10281 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10282 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10283 (ia64_reorg): Use it instead of scheduling if ! optimize.
10284 (errata_emit_nops): Properly call asm_noperands.
10285 (ia64_sched_reorder): Finish cycle if we see an asm.
10286 (ia64_variable_issue): Clear scheduling state after asms.
10288 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10290 * cpp.texi: Update for -MT.
10291 * cppinit.c (initialize_dependency_output): Add a default
10292 target if none has been given already.
10293 (no_tgt, OPT_MT): New.
10294 (cpp_handle_option): Handle -MT. Update -M etc.
10295 * cpplib.h (struct cpp_options): Remove deps_target.
10296 * gcc.c (cpp_options): Handle -MT.
10297 * mkdeps.c (struct deps): Move from mkdeps.h.
10298 (deps_calc_target): Rename deps_add_default_target. Add a
10299 default target if none has been specified already.
10300 * mkdeps.h (struct deps): Move to mkdeps.c.
10301 (deps_calc_target): Rename deps_add_default_target.
10303 2000-01-03 Richard Henderson <rth@redhat.com>
10305 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10306 Remove dead code.
10307 * c-typeck.c (push_init_level): Move checks for flexible array
10308 members and zero length arrays ...
10309 (pop_init_level): ... here. Silently discard empty initializations.
10310 Remove dead code.
10311 * varasm.c (output_constructor): Update for sizeof change to
10312 zero-length arrays.
10314 * extend.texi (Zero Length): Clarify semantics.
10316 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10318 * configure.in (tm.h): Include isns-codes.h last.
10319 * configure: Rebuilt.
10321 2001-01-03 Richard Henderson <rth@redhat.com>
10323 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10324 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10326 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10328 * tradcpp.c (main): Make sure finclude() is called with a valid
10329 indepth value while handling -include.
10331 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10333 * gencodes.c (output_predicate_decls): New function.
10334 (main): Call it.
10335 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10336 even if it is not the first time machmode.h is #included.
10337 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10338 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10339 * gcc.texi (Copyright): Added 2001.
10341 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10343 * c-common.c (c_common_lang_init): New function. Warn if format
10344 warning options which only have effects when used with -Wformat
10345 are used without -Wformat.
10346 * c-common.h (c_common_lang_init): Declare.
10347 * c-lang.c (lang_init): Call c_common_lang_init.
10348 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10350 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10352 * configure.in: Check for the mktemp command.
10353 * configure: Regenerate.
10354 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10355 $TEMP. Create temporary files with mktemp, if available at
10356 configure time; otherwise use set -C. Remove temporary files
10357 before exit.
10359 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10361 * configure.in: Require at least texinfo 4.0. Check for whether
10362 Pod::Man is sufficiently recent to regenerate GCC manpages.
10363 * configure: Regenerate.
10364 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10365 on #!.
10366 (GENERATED_MANPAGES): Define.
10367 (generated-manpages): New target. Depend on cpp.1 as well as
10368 gcov.1.
10369 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10370 configure to generated-manpages or empty) rather than on the
10371 manpages directly. Remove execute permission from installed
10372 gcov.1 as well as cpp.1.
10373 * cpp.1, gcov.1: Regenerate.
10375 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10377 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10378 tree_low_cst. Allow using cmpstrsi in more cases.
10380 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10382 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10383 sized types.
10385 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10387 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10388 * Makefile.in (HOST_CFLAGS): Mention build-make.
10390 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10392 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10393 as JUMP_INSN.
10395 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10397 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10398 a REG rtx.
10400 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10401 callers changed.
10403 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10404 reg_base_value and reg_known_value arrays.
10405 (init_alias_analysis): Add more cases to detect known values.
10406 * sched-deps.c (deps_may_trap_p): New function.
10407 (sched_analyze_2): Use it.
10409 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10411 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10412 don't discard an ASHIFTRT if we're shifting in a wider mode.
10414 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10416 * toplev.c (rest_of_compilation): Don't print basic block information
10417 when CFG isn't up to date.
10419 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10421 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10422 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10423 (UNALIGNED_SHORT_ASM_OP): Define.
10424 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10426 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10428 * fold-const.c (fold_convert): Fix typo.
10430 2001-01-02 Richard Henderson <rth@redhat.com>
10432 * c-common.h (ASM_INPUT_P): New.
10433 * c-parse.in (asm): Set it when needed.
10434 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10435 existance of an operand.
10437 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10439 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10440 (dwarf2out_frame_debug_expr): Likewise.
10441 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10443 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10445 * i386.c (ix86_split_to_parts): Return number of part required;
10446 handle TFmodes.
10447 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10448 TFmodes.
10449 (ix86_split_long_move): Use number of part returned
10450 by ix86_split_to_parts
10451 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10452 New macros.
10453 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10454 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10455 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10456 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10457 (ALIGN_MODE_128): Add TFmode.
10458 (IS_STACK_MODE): Likewise.
10459 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10460 (HARD_REGNO_OK): Support TFmodes.
10461 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10462 * i386.md (scheduler definitions): Use memory operand to determine
10463 fst/fld instructions; use mode attribute to determine real mode of
10464 the instruction.
10465 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10466 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10468 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10470 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10472 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10474 * expr.c (store_constructor_field): Update ALIGN before calling
10475 store_constructor.
10477 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10479 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10480 host_integerp.
10482 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10484 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10485 incomplete type.
10487 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10489 * c-decl.c (start_function): Don't warn on third parameter to main.
10491 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10493 * tsystem.h: Define HAVE_DECL_GETOPT.
10495 2001-01-02 Philip Blundell <pb@futuretv.com>
10497 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10498 of input operand.
10500 2001-01-02 Richard Henderson <rth@redhat.com>
10502 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10504 2001-01-02 Andreas Jaeger <aj@suse.de>
10506 * c-decl.c (c_decode_option): Remove support of
10507 -Wmissing-noreturn.
10509 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10510 (W_options): Add -Wmissing-noreturn here.
10512 * flow.c: Define lang_missing_noreturn_ok_p.
10513 (check_function_return_warnings): Use it.
10515 * c-common.h: Declare lang_missing_noreturn_ok_p.
10517 * c-lang.c (c_missing_noreturn_ok_p): New function.
10518 (lang_init): Set lang_missing_noreturn_ok_p.
10520 * invoke.texi (Warning Options): Document this.
10522 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10524 * extend.texi (C++ Extensions): New node for C++ attributes;
10525 describe init_priority and com_interface.
10526 * invoke.texi: Remove -finit-priority as it now has zero effect.
10527 * install.texi: Fix xref syntax.
10528 * md.texi: Likewise.
10530 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10532 * config.gcc (sparc64-wrs-vxworks*): New case.
10533 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
10535 * config/sparc/sparc.c (sparc_override_options): Do support different
10536 pointer and architecture size.
10537 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
10538 (POINTERS_EXTEND_UNSIGNED): Define.
10539 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
10540 (FUNCTION_MODE): Define to be Pmode.
10541 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
10543 * function.c (expand_function_end): Properly handle DECL_RESULT
10544 and copy when ptr_mode != Pmode.
10545 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
10547 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10549 * c-common.c (c_common_nodes_and_builtins): Set prototype
10550 parameters for __builtin_fputs, __builtin_fputc and
10551 __builtin_fwrite. Don't declare plain fputc as a builtin.
10553 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
10555 * loop.c (add_label_notes): Increment the label usage count when
10556 a note is added to an insn which refers to a CODE_LABEL.
10557 * gcse.c (add_label_notes): Likewise.
10559 2001-01-01 Andreas Jaeger <aj@suse.de>
10561 * loop.c (scan_loop): Use xmalloc to allocate movables.
10563 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10565 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10566 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10567 * reload1.c (REGISTER_MOVE_COST): Likewise.
10568 * regclass.c (REGISTER_MOVE_COST): Likewise.
10569 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10570 dimension. Adjust all users.
10571 (init_reg_sets_1): Iterate on all modes.
10572 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10573 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10574 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10575 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10576 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10577 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10578 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10579 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10580 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10581 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10582 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10583 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10584 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10585 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10586 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10587 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10588 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10589 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10590 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10591 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10592 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10593 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10594 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10595 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10596 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10597 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10598 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10600 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10602 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10603 arg VARIES_P. Call it with extra arg.
10604 (true_dependence): Likewise.
10605 * rtl.h (rtx_addr_can_trap_p): Declare.
10606 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10607 prototypes.
10608 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10609 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10610 pic offset table register if it's zero. All callers changed.
10611 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10613 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10615 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10616 STRING_POOL_ADDRESS_P.
10618 * config/sparc/sparc.c (input_operand): Properly test for short op.
10620 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10621 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10622 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10623 * config/sparc/elf.h: No longer include sol2.h.
10624 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10625 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10627 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10629 2001-01-01 Michael Hayes <mhayes@redhat.com>
10631 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10632 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10633 (record_initial): Likewise.
10634 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10635 (remap_split_bivs): Likewise.
10637 2001-01-01 Michael Hayes <mhayes@redhat.com>
10639 * loop.c (loop_ivs_free): New function.
10640 (strength_reduce): Break out from...
10642 2001-01-01 Michael Hayes <mhayes@redhat.com>
10644 * loop.h (struct iv): New.
10645 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10646 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10647 'reg_biv_class' fields with 'regs' and 'n_regs'.
10648 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10649 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10650 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10652 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10654 * resource.c (mark_referenced_resources): Abort() before
10655 attempting to mark a pseudo register.
10656 (mark_set_resources): Likewise.
10658 2001-01-01 Michael Hayes <mhayes@redhat.com>
10660 * loop.h (REG_IV_CLASS): New accessor macro.
10661 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10662 * unroll.c (REG_IV_CLASS): Likewise.
10664 See ChangeLog.4 for earlier changes.