1 2001-02-28 Richard Henderson <rth@redhat.com>
3 * caller-save.c (save_call_clobbered_regs): Fix typo in
4 comparison last change.
6 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8 * i386.c (pentium4_cost): New.
10 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
11 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
12 x86_integer_DFmode_moves, x86_partial_reg_dependency,
13 x86_memory_mismatch_stall): Add Pentium4
14 (x86_use_q_reg, x86_use_any_reg): Kill.
15 (override_options): Add pentium4.
16 (incdec_operand): Return 0 for pentium4.
17 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
18 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
19 (TARGET_PENTIUM4): Define.
20 (enum processor_type): Add PROCESSOR_PENTIUM4.
21 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
22 * i386.md (attribute "cpu"): Add pentium4.
23 * invoke.texi (march): Add pentium4.
25 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
27 * i386.md (sse_mov?fcc*): New patterns and splitters.
28 * i386.c (ix86_expand_movcc): Work post-reload; recognize
29 the SSE based conditional moves.
31 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
33 * i386.md (attribute mode): Add "TI".
34 (movsf_1): Add pxor support; remove constant propagation splitter.
35 (movdf_integer): Likewise.
36 (movdf_nointeger): Likewise.
37 (movxf constant prop splitter): Handle all modes; update for SSE.
38 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
39 * i386.c (standard_80387_constant_p): Rewrite.
40 (standard_sse_constant_p): New.
41 * i386-protos.h (standard_sse_constant_p): New.
43 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
45 * i386.md (sse_setccsf, sse_setccdf): New.
46 (sse_cmp* patterns): Use '%D' instead of outputtting condition
48 * i386.c (sse_comparison_operator): Accept the supported unordered
49 comparses; be ready for fast_math.
50 (print_operand): Support 'D'.
52 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
54 * jump.c (reversed_comparison_code): Kill.
56 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
58 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
61 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
63 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
64 add missing '%' in constraints.
66 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
68 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
69 for HOST_BITS_PER_WIDE_INT == 32 too.
71 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
73 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
75 (insert_save, insert_restore): New parameter save_mode.
76 (init_caller_save): Update initialization of reg_save_code
78 (save_call_clobbered_regs): Compute save_modes and update calls to
79 reg_save_code and reg_restore_code.
80 (insert_restore): Unsignetize numbers; use save_modes to choose mode
81 of spill; update use of reg_restore_code.
82 (insert_save): Likewise.
83 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
84 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
85 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
87 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
89 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
90 noce_try_store_flag_inc, noce_try_store_flag_mask,
91 noce_try_cmove_arith):
92 Use reversed_comparison_code instead of reverse_comparison and
93 can_reverse_comparison_p.
95 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
97 * jump.c (reversed_comparison_code_parts): Allow reversal of
98 unordered compares in -ffast-math mode; reverse ordered compares
99 for FP even w/o -ffast-math.
101 2001-02-27 Richard Henderson <rth@redhat.com>
103 * print-rtl.c (print_rtx) [i]: Don't print field five on
104 NOTEs other than NOTE_INSN_DELETED_LABEL.
106 2001-02-27 Zack Weinberg <zackw@stanford.edu>
108 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
109 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
111 2001-02-27 Diego Novillo <dnovillo@redhat.com>
113 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
114 even if walk_subtrees is 0.
115 * c-semantics.c (prune_unused_decls): Return a non-null value to
116 stop traversing the tree chain.
118 2001-02-27 DJ Delorie <dj@redhat.com>
120 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
121 register, *then* define it as the new CFA.
123 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
125 * pa.c (override_options): Promote -fpic to -fPIC.
126 (legitimize_pic_address): Simplify due to removal of
127 small PIC as a code generation option.
128 (secondary_reload_class): Similarly.
129 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
130 (PRINT_OPERAND_ADDRESS): Similarly.
131 * pa.md (various patterns): Similarly.
132 (small pic lo_sum pattern): Remove.
134 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
137 * md.texi (min, max): Document
139 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
141 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
142 TARGET_PARTIAL_REG_DEPENDENCY.
143 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
145 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
147 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
149 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
151 * mips.c (mips_make_temp_file): Fix thinko in last change.
153 2001-02-26 Jason Eckhardt <jle@redhat.com>
155 * combine.c (known_cond): Do not reverse the condition when
156 SMAX/UMAX is being considered and the condition is for equality
159 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
161 2001-02-26 Philip Blundell <philb@gnu.org>
163 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
165 * config/arm/linux-elf.h: Remove historical relics related to
166 above configurations.
167 * config/arm/linux-oldld.h: Delete.
168 * config/arm/linux-elf26.h: Delete.
170 2001-02-26 Jason Merrill <jason@redhat.com>
172 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
174 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
175 recognize a tentative definition. Lose obsolete code.
177 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
178 variables unless necessary, either.
180 2001-02-25 Richard Henderson <rth@redhat.com>
182 * ifcvt.c (struct noce_if_info): Add test_bb.
183 (noce_get_alt_condition): New.
184 (noce_try_minmax, noce_try_abs): New.
185 (noce_operand_ok): New.
186 (noce_process_if_block): Use them.
187 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
189 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
191 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
194 2001-02-25 Zack Weinberg <zackw@stanford.edu>
196 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
197 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
199 (mips_asm_file_end): Free temp_filename here.
201 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
203 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
204 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
206 * config/i386/i386.md (movstrsi): Handle FAIL case.
208 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
210 * cppinit.c (builtin_array): Update.
211 (init_builtins): Flag builtins to warn if redefined or
212 undefined. Define __GXX_WEAK as a normal macro.
213 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
214 * cpplib.h (NODE_WARN): New flag.
215 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
216 Handle __STDC__ as a builtin only on Solaris.
217 (warn_of_redefinition): Renamed from check_macro_definition.
218 Reverse sense of test. Always warn if NODE_WARN.
219 (_cpp_create_definition): Use warn_of_redefinition. Flag
220 any macro beginning with "__STDC_" to require a mandatory
221 warning if redefined or undefined.
223 2001-02-24 Zack Weinberg <zackw@stanford.edu>
225 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
226 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
227 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
228 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
229 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
230 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
232 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
233 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
234 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
235 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
236 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
238 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
239 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
242 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
243 Delete now-empty file.
245 * alpha/vms.h: Define NEED_ATEXIT here...
246 * alpha/xm-vms.h: ...not here.
248 * i386/cygwin.h: Don't define PARAMS.
249 * mips/mips.c: Don't prototype mktemp. Don't define
250 P_tmpdir. Use make_temp_file to create temporary files.
251 Don't be clever and delete temporary files early.
252 * config.gcc: Drop references to deleted files. Don't define
254 * gcc.texi: Don't mention USE_PROTOTYPES.
256 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
258 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
259 (ix86_set_move_mem_attrs_1): Likewise.
260 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
261 * config/i386/i386.md (movstrsi): Call it.
263 2001-02-24 Zack Weinberg <zackw@stanford.edu>
265 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
266 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
267 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
268 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
270 (i750a-*-*): Error here if hosting on i750a.
271 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
273 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
274 Remove (empty modulo comments).
276 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
277 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
278 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
279 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
280 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
281 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
283 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
284 Remove reference to winnt.h in comment.
285 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
287 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
289 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
290 used to set another biv.
292 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
294 * tree.h (BLOCK_DEAD): New macro.
295 (struct tree_block): New flag, dead_flag.
296 * print-tree.c (print_node, case 'b'): Print missing fields.
297 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
298 * function.c (identify_blocks): Enable test for misplaced notes.
299 (all_blocks): Skip BLOCK_DEAD blocks.
300 * integrate.c (integrate_decl_tree): Likewise.
302 * errors.c (internal_error, trim_filename): New functions.
303 (fancy_abort): Call internal_error.
304 * errors.h (internal_error, trim_filename): New declarations.
306 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
308 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
310 (EXTRA_CONSTRAINT): Formatting changes.
312 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
314 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
316 2001-02-23 Per Bothner <per@bothner.com>
318 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
319 so they can be called from java/jvspec.c.
320 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
322 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
324 * i386.c (ix86_frame): New structure.
325 (ix86_compute_frame_size): Kill.
326 (ix86_compute_frame_layout): New.
327 (ix86_save_reg): New.
328 (ix86_can_use_return_insn_p): Use frame layout stuff.
329 (ix86_expand_prologue): Likewise.
330 (ix86_expand_epilogue): Likewise.
331 (ix86_initial_elimination_offset): Likewise.
332 (ix86_nsaved_regs): Use ix86_save_reg.
333 (ix86_emit_save_regs): Likewise.
335 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
337 * flow.c (find_sub_basic_blocks): New function.
338 (split_block): Be ready for basic block introduced by CODE_LABEL.
339 (commit_one_edge_insertion): Call find_sub_basic_block.
341 * flow.c (make_edges): Add edge from entry for blocks starting with
342 label having ALTERNATE_NAME
344 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
346 * function.c (epilogue_done): Be ready for first basic block not
347 containing PROLOGUE_END note.
348 (reposition_prologue_and_epilogue_notes): Avoid placing
349 PROLOGUE_END note between BASIC_BLOCK.
351 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
353 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
355 2001-02-21 DJ Delorie <dj@redhat.com>
357 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
358 check for current_function_has_nonlocal_goto from 1999-11-12.
360 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
362 * diagnostic.c (trim_filename): No longer static.
363 * toplev.h (trim_filename): Declare.
364 * rtl.c (rtl_check_failed_bounds): Call internal_error.
365 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
366 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
367 (rtvec_check_failed_bounds): Likewise.
368 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
370 * convert.c (convert_to_integer): Don't do unsigned unless result or
371 both inputs are unsigned.
373 * fold-const.c (fold_convert): Don't call size_int_type_wide if
376 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
378 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
380 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
382 * Makefile.in (resource.o): Add params.h dependence.
383 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
384 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
385 * resource.c: Add dependence on params.h.
386 (current_live_regs): Fix explanatory comment.
387 (find_basic_block): Add new parameter to permit limiting search
389 (mark_target_live_regs): Add new argument to find_basic_block call.
390 (incr_ticks_for_insn): Likewise.
392 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
394 * diagnostic.c (output_to_stream): Rename to
395 output_buffer_to_stream. Loses the stream parameter.
396 (init_output_buffer): Set diagnosic_buffer's stream.
397 (flush_diagnostic_buffer): Adjust.
398 (default_print_error_function): Likewise.
399 (finish_diagnostic): Likewise.
400 (verbatim): Likewise.
402 * diagnostic.h (struct output_buffer): Add `stream' field.
403 (output_buffer_attached_stream): New macro.
405 2001-02-23 Jakub Jelinek <jakub@redhat.com>
407 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
408 check if either operand is divisible by C.
409 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
410 If type is signed, consider negative numbers as well.
412 2001-02-22 Richard Henderson <rth@redhat.com>
414 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
415 reach .text instead of gp-relative relocs.
416 * config/ia64/crtend.asm (.init): Likewise.
418 2001-02-22 Andreas Jaeger <aj@suse.de>
420 * extend.texi (C++ Attributes): Fix typo.
422 2001-02-21 David Mosberger <davidm@hpl.hp.com>
424 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
425 functions, drop current_function_args_info.words test.
426 (ia64_compute_frame_size): Mark syscall_linkage functions as
427 using eight input registers.
429 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
430 Bruce Korb <bkorb@gnu.org>
432 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
433 * fixinc/README: Document how to convert sed substitutions
434 to format style c_fix-es.
435 * fixinc/fixincl.x: regen
437 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
439 * gcc.c: Add comment explaining how to add a command-line option.
440 Add title to specs language comment.
442 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
444 * gcc.c (cc1_options): Add "-param".
445 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
446 (option_map): Likewise.
447 * toplev.c (display_help): Add entry for "--param".
448 (independent_decode_option): Fix typographical error.
450 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
451 Bernd Schmidt <bernds@redhat.com>
452 Jan Hubicka <jh@suse.cz>
454 * i386.c (function_arg_advance): Pass SSE arguments in registers.
455 (function_arg): Likewise.
457 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
459 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
461 2001-02-21 Kazu Hirata <kazu@hxi.com>
463 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
467 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
469 * flow.c (init_propagate_block_info): Canon address and use single_set
470 for killing dead memory stores.
472 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
474 * Makefile.in (reorg.o): Add params.h dependence.
475 * params.def: Fix typographical error in comment.
476 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
477 * params.h: Modify introductory comment.
478 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
479 * reorg.c: Add dependence on params.h.
480 (redundant_insn): Add parameterized throttle for search.
481 (fill_simple_delay_slots): Add a comment explaining a variable.
482 Move conditional out of loop, simplifying code.
483 (fill_eager_delay_slots): Fix typographical error in comment.
485 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
487 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
489 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
490 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
492 2001-02-21 Jason Merrill <jason@redhat.com>
494 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
495 (struct tree_decl): Add uninlinable bitfield.
496 * c-decl.c (duplicate_decls): Set it.
497 * integrate.c (function_cannot_inline_p): Check it.
499 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
500 DW_AT_MIPS_linkage_name to abstract methods.
501 (dwarf2out_abstract_function): Emit class context before calling
502 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
503 (gen_subprogram_die): Remove obsolete code.
504 (gen_member_die): Don't include clones in the member list.
505 (gen_decl_die): Emit abstract info for clone origin.
506 * dwarfout.c (output_type): Don't include clones in the member list.
507 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
508 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
509 DECL_ABSTRACT on a function that already has it set.
511 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
512 (get_subprogram_die): Pass it in.
514 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
516 * flow.c (mark_set_1): Make not_dead unsigned long. For
517 non-pseudos, use it as a bitmask of the hard regs that
520 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
522 * cppfiles.c: Update comments.
523 (_cpp_read_file): Don't check for NULL filenames any more.
524 * cppinit.c (cpp_start_read): Don't do canonicalization of
525 in_fname and out_fname. Use the passed file name exclusively.
526 (_cpp_handle_options): Don't treat "-" as a command line option,
527 but as a normal filename.
528 (_cpp_post_options): Canonicalize in_fname and out_fname.
529 * cppmain.c (printer_init): Don't check out_fname for NULL.
530 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
531 (init_c_lex): Update, and use "" to represent stdin to CPP.
534 2001-02-20 Will Cohen <wcohen@redhat.com>
536 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
537 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
538 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
541 2001-02-20 Stan Shebs <shebs@apple.com>
543 * config/rs6000/rs6000.c (output_cbranch): Output branches
544 on separate lines instead of using ';' to separate.
546 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
548 * cppinit.c (set_lang): Move builtin handling to...
549 (init_builtins): ...here.
550 (_cpp_create_reader): Move call to set_lang.
552 2001-02-20 Mark Mitchell <mark@codesourcery.com>
554 * stmt.c (expand_return): If an attempt is made to return the
555 error_mar_node, treat the return like a return without a value.
557 2001-02-19 Zack Weinberg <zackw@stanford.edu>
559 * sibcall.c (skip_copy_to_return_value): Call
560 identify_call_return_value here, and return orig_insn if it
561 returns zero. Hardret and softret arguments now unnecessary.
562 (call_ends_block_p): Don't call identify_call_return_value here.
564 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
566 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
567 * ggc.h (ggc_mark_if_gcable): Delete prototype.
569 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
571 * pa.c (move_operand): Accept code to load the address of a
572 symbol out of the DLT as a valid move operand.
573 (print_operand, case 'A'): New to handle generating a DLT
574 reference for a LO_SUM expression.
575 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
576 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
578 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
580 * README, cpp.texi, gcc.texi, version.c: Update version number to
582 * cpp.1, gcov.1, gcc.1: Regenerate.
584 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
586 * cppfiles.c (stack_include_file): Generate dependencies
587 here, and manage include_count here too.
588 (PRINT_THIS_DEP): Delete.
589 (_cpp_execute_include): Do not generate dependencies here,
590 apart from the case of a missing header. Do not manage
592 (_cpp_read_file): Leave dependency generation to
595 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
597 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
598 target_cpu_default. Remove dead assignment to
601 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
603 * regclass.c (contains_reg_of_mode): Make global.
604 (init_reg_sets): Remove contains_reg_of_mode; take into account
605 CLASS_MAX_NREGS when looking for the proper mode.
606 (dump_regclass): Dump only classes considered for the pseudo.
607 (regclass): Use contains_reg_of_mode.
609 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
611 * gcc.c (do_spec_1): 'n' for printing notices.
612 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
614 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
616 * reg-stack.c (next_flags_user): Use current_block->end
617 (swap_rtx_condition): Look for next user if flags don't die;
618 give up on CALL_INSNs; use current_block->end.
620 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
622 * sibcall.c (call_ends_block_p): New function.
623 (optimize_sibling_and_tail_recursive_call): Use it.
625 2001-02-18 Kazu Hirata <kazu@hxi.com>
627 * config/h8300/h8300.md: Update copyright.
628 (andsi3): Do not output an extra newline character.
630 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
632 * toplev.c (note_deferral_of_defined_inlined_function): Argument
633 FNDECL may be unused.
635 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
636 follow jumps after first run.
637 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
638 it doesn't change any jumps.
640 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
642 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
643 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
644 (mostlyclean): Corresponding changes.
645 * rtlanal.c (hard-reg-set.h): Include.
646 (rtx_unstable_p): Do not treat the argument pointer specially
647 if it is not a fixed register.
648 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
650 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
652 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
653 against last real insn in basic block.
654 Rework to avoid gotos.
656 * Makefile.in (gcse.o): Now includes ggc.h.
657 * gcse.c: Include ggc.h.
658 (want_to_gcse_p): Verify expression can be in SET as valid insn.
659 (try_replace_reg): Remove warning of uninitialize variable.
660 (process_insert_insn): Call invalid_insn_p to validate insn.
661 * recog.c (insn_invalid_p): Now global.
662 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
663 * recog.h (insn_invalid_p): New declaration.
665 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
667 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
668 assignments from FP constants since 'Y' output code can't handle it.
669 (eligible_for_sibcall_delay): Likewise.
671 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
672 Call fancy_abort directly, passing args.
673 (print_rtl_and_abort): Now a macro, like fancy_abort.
675 * final.c (output_operand_lossage): Use internal_error, not error.
677 2001-02-18 Shane Nay <shane@agendacomputing.com>
679 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
680 structure shift insns.
682 2001-02-18 Mark Mitchell <mark@codesourcery.com>
684 * invoke.texi (-fsquangle): Remove documentation.
685 (-fname-mangling-version): Likewise.
687 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
689 * optabs.c (expand_abs): Remove reference to
690 HAVE_contitional_arithmetic.
691 * combine.c (simplify_set): Likewise.
693 2001-02-18 Richard Henderson <rth@redhat.com>
695 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
698 2001-02-18 Richard Henderson <rth@redhat.com>
700 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
702 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
704 * reload1.c (reload_cse_simplify_set): Fix typo.
706 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
708 * diagnostic.c (_fatal_insn): Decrement errorcount.
710 * invoke.texi (-I): Add note avoiding use for system header files.
712 * rtl.h (add_clobbers): Remove duplicate declaration.
713 * recog.h (added_clobbers_hard_reg_p): New declaration.
714 * genemit.c (struct clobber_pat): New field has_hard_reg.
715 (gen_insn): Record if added clobbers clobber hard reg.
716 (gen_split): Avoid unused warning if number of operands is 0.
717 (output_added_clobbers_hard_reg_p): New function.
720 2001-02-18 Alan Modra <alan@linuxcare.com.au>
722 * pa.c (hppa_expand_prologue): Simplify code storing return
723 pointer. For large (>=8k) frames with a post_store, adjust stack
724 pointer by 8k-64 first rather than by 64. When testing with
725 VAL_14_BITS_P, always use the actual value rather than the value
726 negated. Add blockage to prevent scheduling of spills before
727 stack frame has been created.
728 (hppa_expand_epilogue): Simplify code loading return pointer.
729 Allow a slightly larger range for merge_sp_adjust_with_load case.
730 When testing with VAL_14_BITS_P, always use the actual value.
732 * pa.c (pa_adjust_insn_length): Check that block move
733 pattern is a set before looking at operands.
735 2001-02-17 Mark Mitchell <mark@codesourcery.com>
737 * fold-const.c (fold_binary_op_with_conditional_arg): New
738 function, split out from ...
740 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
741 conditional arms that throw exceptions.
743 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
746 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
748 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
749 define HAVE_DECL_* to 1 to mask potential backup declarations.
750 * configure: Regenerated.
752 2001-02-17 Mark Mitchell <mark@codesourcery.com>
754 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
756 2001-02-17 Richard Henderson <rth@redhat.com>
758 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
759 when replacing a memory load with a register.
761 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
762 Jan Hubicka <jh@suse.cz>
764 * recog.c (validate_replace_src_1): New.
765 (validate_replace_src_data): Likewise.
766 (validate_replace_src): Use note_uses.
767 * rtl.h (note_uses): Declare.
768 * rtlanal.c (note_uses): New.
770 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
772 * reg-stack.c (stack_def): Make field reg unsigned.
773 (remove_regno_note): Unsignetize parameter.
775 2001-02-16 Jes Sorensen <jes@linuxcare.com>
777 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
778 shladd_operand() call.
780 2001-02-16 Bruce Korb <bkorb@gnu.org>
781 Rodney Brown <RodneyBrown@mynd.com>
783 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
784 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
786 * fixinc/fixincl.x: regen
788 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
790 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
792 (hash_scan_insn): Clean up calls to hash_scan_set.
793 (compute_kill_rd): REGNO now unsigned.
794 (try_replace_reg): Rework to use simplify_replace_rtx.
795 (cprop_jump, cprop_cc0_jump): Likewise.
796 (cprop_insn): Call find_reg_equal_equiv_note.
797 Reflect changes to cprop_jump and cprop_cc0_jump.
799 * recog.c (validate_replace_src): Replace in operands of
800 ZERO_EXTRACT in SET_DEST.
802 * cse.c (new_label_ref): New variable.
803 (insert): Set it instead of recorded_label_ref.
804 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
805 CODE_LABEL for this function, and not already in REG_LABEL note.
807 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
809 * resource.c (mark_referenced_resources): Fix typo in introductory
811 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
814 2001-02-16 Jason Merrill <jason@redhat.com>
816 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
818 (gen_subprogram_die): Don't abort on seeing a second definition if
819 the previous one was abstract. Don't replace an abstract instance
822 * dwarf2out.c (dwarf2out_abstract_function): Rename from
823 gen_abstract_function.
824 * dwarf2out.h: Declare it.
825 * toplev.c (note_outlining_of_inline_function): New fn.
826 * toplev.h: Declare it.
827 * integrate.c (output_inline_function): Call it.
828 * c-decl.c (duplicate_decls): Call it when redefining an extern
829 inline. Don't inline the new defn.
831 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
833 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
835 * .gdbinit: Rename to gdbinit.in.
836 * gdbinit.in: New file,
837 * configure.in: Generate .gdbinit from gdbinit.in.
838 * configure: Regenerated.
839 * Makefile.in (distclean): Always remove .gdbinit.
841 2001-02-16 Jakub Jelinek <jakub@redhat.com>
843 * objc/objc-act.c (start_class): Register implemented_classes with
846 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
848 * cppfiles.c (_cpp_make_system_header): Generate a file
851 2001-02-15 Jim Meyering <meyering@lucent.com>
853 * Makefile.in (install-common): Don't depend on installdirs here.
854 Instead, make each of the lang.install-common targets (e.g.,
855 c++.install-common in cp/Make-lang.in) depend on it.
856 (install-driver): Depend on installdirs.
858 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
860 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
862 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
865 2001-02-15 Mark Mitchell <mark@codesourcery.com>
867 * invoke.texi (--param): Document.
869 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
871 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
873 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
875 * i386.md (extendsfdf2_2): Fix constraints.
877 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
879 * i386.md (fop_df_3 splitter): Fix operand number.
881 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
883 * invoke.texi (-mreg-alloc): Nuke.
884 * i386.c (ix86_reg_alloc_order, regs_allocated,
885 order_regs_for_local_alloc): Nuke.
886 (override_options): Kill reg_alloc code.
887 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
888 (REG_ALLOC_ORDER): SSE goes before I387.
889 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
890 (ix86_reg_alloc_order): Likewise.
891 * i386-protos.h (ix86_reg_alloc_order): Kill.
893 2001-02-14 Richard Henderson <rth@redhat.com>
895 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
897 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
899 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
901 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
903 * i386-protos.h (ix86_memory_move_cost): Move offline.
904 * i386.c (ix86_register_move_cost): Compute properly cost of
905 SSE, MMX and i387 instructions.
906 (*_cost): Add costs of SSE/MMX moves.
907 (ix86_memory_move_cost): Move offline from ....; Likewise.
908 * i386.h (MEMORY_MOVE_COST): .... here;
909 (struct processor costs): Add new fields to represent costs
912 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
914 * regclass.c (init_reg_sets_1): Reinstall the optimization of
915 move_cost together with Matt Kraai's fix.
917 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
919 * Makefile.in (OBJS): Add params.o.
921 2001-02-14 Richard Henderson <rth@redhat.com>
922 DJ Delorie <dj@redhat.com>
924 * jump.c (jump_optimize_1): When we delete a conditional jump
925 preceeding a non-conditional jump to effectively the same place,
926 make sure that the combined jump skips any clobber insns between
929 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
931 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
933 2001-02-14 Mark Mitchell <mark@codesourcery.com>
935 * Makefile.in (toplev.o): Depend on params.h.
936 (intergate.o): Likewise.
937 (params.o): New target.
938 * flags.h (inline_max_insns): Remove.
939 * integrate.c: Include params.h.
940 Use MAX_INLINE_INSNS instead of inline_max_insns.
941 * params.c: New file.
942 * params.h: Likewise.
943 * params.def: Likewise.
944 * toplev.c: Include params.h.
945 (lang_independent_params): New variable.
946 (decode_f_option): Use the param machinery instead of setting
948 (independent_decode_option): Handle "--param name=value".
949 (main): Register language-independent parameters.
951 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
953 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
955 2001-02-14 Richard Henderson <rth@redhat.com>
957 * regclass.c (init_reg_sets_1): Revert last two changes.
959 2001-02-14 Jakub Jelinek <jakub@redhat.com>
961 * stor-layout.c (is_pending_size, put_pending_size): New functions.
962 (variable_size): Call put_pending_size.
963 * tree.h (is_pending_size, put_pending_size): Add prototypes.
964 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
965 sizes list, put newly created SAVE_EXPR there as well.
967 2001-02-14 Jakub Jelinek <jakub@redhat.com>
969 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
970 (errata_find_address_regs): load_group has only 2 entries.
971 (errata_emit_nops): Likewise. shladd is not problematic.
972 Clear last_group if nop was emitted.
973 (fixup_errata): load_group has only 2 entries.
976 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
978 * c-lex.c (lex_number): Only warn traditionally for U suffix
979 outside system macros.
980 * cppexp.c (parse_number): Similarly.
981 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
982 * cppmacro.c (struct cpp_macro): New member node.
983 (parse_args): Only warn about missing rest args if not
985 (funlike_invocation_p): Similarly for uninvoked funlike macros.
986 (cpp_sys_objmacro_p): New.
987 (_cpp_create_definition): Store the node with the macro defn.
988 Remember if the macro is defined in a system header.
990 2001-02-13 DJ Delorie <dj@redhat.com>
992 * configure.in (check_languages): determine languages to check
993 * Makefile.in (check-c++): alias for check-g++
994 (check-f77): alias for check-g77
995 (CHECK_TARGETS): depend on configured languages
997 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
999 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1000 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1001 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1002 (sqrtextendsfdf2): Disable for SSE2.
1004 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1006 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1007 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1008 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1009 (sqrtextendsfdf2): Disable for SSE2.
1011 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1013 * i386.md (movsfcc_1): Support integer cmove instruction.
1014 (movdfcc_1): Likewise; new splitter.
1016 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1018 * i386.c (output_fp_compare): Support SSE.
1019 (prepare_fp_compare_args): SSE comparisons always support memory.
1020 * i386.h (TARGET_CMOVE): SSE imply cmove.
1021 * i386.md (cmp?f2): Enable for SSE too.
1022 (cmpfp_i*): Support SSE.
1024 (cmpfp_i_sse_only): New.
1025 (s*, b* fp expanters): Enable for SSE too.
1026 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1029 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1031 * regclass.c (init_reg_sets_1): Silence warning.
1033 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1035 * i386.md (sqrt?f2): Change to expander.
1036 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1038 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1040 * rtlanal.c (find_reg_equal_equiv_note): New function.
1041 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1042 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1043 * rtl.h: Add declarations for above functions.
1045 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1047 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1049 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1050 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1051 * flow.c (mark_regs_live_at_end): Likewise.
1052 (calculate_global_regs_live): Likewise.
1053 * gcse.c (compute_hash_table): Likewise.
1054 (compute_kill_rd): Likewise.
1055 * resource.c (mark_target_live_regs): Likewise.
1056 * rtl.h (INVALID_REGNUM): New macro.
1058 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1060 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1062 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1064 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1067 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1069 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1071 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1072 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1073 (fop_sf_1_sse, fop_df_1_sse): New patterns
1074 (fop_*): Disable float_extend and float patterns for SSE compilation.
1075 * i386.c (output_387_binary_op): Support SSE.
1077 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1079 * i386.md (dummy_extendsfdf2): Support SSE2
1080 (extendsfdf2): Enable if 80387 or SSE2.
1081 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1082 and no MIX_I387_SSE2
1083 (extendsfdf2_1_sse_only): New pattern.
1084 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1086 (truncdfsf2_1): Support SSE.
1087 (truncdfsf2_2): Support SSE.
1088 (truncdfsf2_2_1_sse): New pattern.
1089 (fixtruncsfsi2): Always use SSE if available.
1090 (fix_truncsfsi_sse): New pattern.
1091 (fix_truncdfsi_sse): New pattern.
1092 (floatsis?f2): Support SSE.
1093 (floatsidf2_i387): New pattern.
1094 (floatsidf2_sse): Likewise.
1096 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1098 * configure.in: Use "have_gnat" variable, not "gnat".
1099 * configure: Regenerated.
1101 * config/sparc/sparc.c (function_value): Treat all non-record
1102 aggregate types like used to treat UNION_TYPE.
1104 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1106 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1107 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1109 (MASK_MIX_SSE_I387): New.
1110 (TARGET_SSE): SSE2 imply SSE.
1111 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1112 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1113 (enum reg_class): Add new classes.
1114 (REG_CLASS_NAMES): Likewise.
1115 (REG_CLASS_CONTENTS): Likewise.
1116 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1117 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1118 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1119 (CLASS_MAX_NREGS): Use new macros.
1120 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1121 * i386.md (pushsf, movsf): Support SSE.
1122 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1123 splitters to use ANY_FP_REGNO_P.
1124 (movdf_nointeger, movdf_integer): Likewise.
1126 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1128 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1129 (try_combine): Use it.
1131 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1133 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1134 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1135 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1136 (REGISTER_MOVE_COST): Likewise.
1137 * i386-protos.h (ix86_secondary_memory_needed,
1138 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1139 * i386.c (ix86_secondary_memory_needed,
1140 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1142 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1144 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1145 (HARD_REGNO_MODE_OK): Move offline to ....
1146 * i386.c (ix86_hard_regno_mode_ok) ... here;
1147 refuse all incorrect modes.
1148 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1150 2001-02-13 Richard Henderson <rth@redhat.com>
1152 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1153 entire operator; replicate that and match_dup the operands.
1154 (cmp_ccx_arith_op_set): Likewise.
1155 (cmp_cc_arith_op_not_set): Likewise.
1156 (cmp_ccx_arith_op_not_set): Likewise.
1158 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1160 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1162 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1164 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1165 (TARGET_NO_BITFIELD_WORD): New macro.
1166 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1167 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1169 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1171 * cselib.c: New file, from simplify-rtx.c.
1172 * simplify-rtx.c: Remove cselib parts.
1173 * Makefile.in: Add cselib.o.
1175 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1177 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1178 (setup_incoming_varargs): Remove warning.
1180 * config/rs6000/rs6000.c (validate_condition_mode): When
1181 flag_fast_math, allow floating-point conditionals to be reversed.
1182 (rs6000_generate_compare): When flag_fast_math, don't generate
1183 cror operations for FP conditionals.
1185 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1187 (ASM_SPEC): Likewise.
1188 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1189 (CC1_SPEC): Likewise.
1190 (LINK_TARGET_SPEC): Likewise.
1191 (CPP_ENDIAN_SPEC): Likewise.
1192 * Makefile.in (check-consistency): New target.
1194 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1196 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1197 "return type defaults" warning for functions with return type
1199 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1200 function declarations by default rather than only when pedantic.
1202 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1204 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1207 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1209 * extend.texi (Deprecated): Deprecate new initializer lists.
1211 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1213 * mkdeps.c (deps_add_default_target): Robustify. Add
1214 basename component only.
1215 * cpp.texi (-M): Describe how default target is generated.
1216 * invoke.texi (-M): Likewise.
1218 2001-02-12 Kazu Hirata <kazu@hxi.com>
1220 * toplev.c (push_float_handler): Remove.
1221 (pop_float_handler): Remove.
1222 * toplev.h: Remove prototypes for the above functions.
1224 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1226 * c-common.c (constant_fits_type_p): New function.
1227 (convert_and_check): Use it.
1229 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1231 * Makefile.in (GXX_ABI_FLAG): Don't define.
1232 * configure.in (--enable-new-gxx-abi): Remove option.
1233 * config.in: Regenerated.
1234 * configure: Likewise.
1236 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1238 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1240 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1241 regular basic block, and arrange for all edges into it to switch
1244 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1246 * Makefile.in (distclean): Do not remove .gdbinit.
1248 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1250 * Makefile.in (gcc.o): Fix typos.
1251 (protize.o): Likewise.
1252 (unprotoize.o): Likewise.
1254 2001-02-11 Richard Henderson <rth@redhat.com>
1256 * tree.c (build1): Check for null operand in last change.
1258 2001-02-11 Richard Henderson <rth@redhat.com>
1260 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1261 (fold): Don't assume a constant isn't foldable.
1262 * tree.c (build): Set TREE_CONSTANT for an expression with no
1263 side-effects and constant operands.
1266 2001-02-10 Richard Henderson <rth@redhat.com>
1268 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1270 2001-02-10 Anthony Green <green@redhat.com>
1272 * cpp.texi (Standard Predefined): Add documentation for
1275 * c-common.c (combine_strings): Improve warning message.
1277 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1279 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1281 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1283 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1285 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1288 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1290 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1293 2001-02-09 Nick Clifton <nickc@redhat.com>
1295 * config/arm/arm.md: Change output contraint on post inc
1296 load/store multiple patterns to be a read/write contraint.
1298 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1300 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1301 .o files when using the -M options.
1303 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1304 David Edelsohn <edelsohn@gnu.org>
1306 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1307 handle DImode constants. Use one TOC entry for SImode and smaller
1308 constants, aligned properly.
1310 2001-02-08 Jason Merrill <jason@redhat.com>
1312 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1313 about the SP adjustment for saving the static chain pointer.
1314 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1315 offset when setting a temporary CFA register.
1317 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1319 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1320 powerpc-*-chorusos* .
1321 * config/rs6000/chorus.h : New file.
1322 * config/i386/chorus.h : New file.
1323 * config/sparc/chorus.h : New file.
1324 * config/sparc/t-chorus-elf : New file.
1326 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1328 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1329 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1330 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1331 (__WCHAR_TYPE__): Correct macro name.
1333 2001-02-08 Richard Henderson <rth@redhat.com>
1335 * config/i386/i386.c (ix86_frame_pointer_required): New.
1336 (ix86_setup_frame_addresses): New.
1337 (struct machine_funciton): Add accesses_prev_frame.
1338 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1339 ix86_frame_pointer_required.
1340 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1341 (SETUP_FRAME_ADDRESSES): New.
1342 * config/i386/i386-protos.h: Update.
1343 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1344 from FRAME_POINTER_REQUIRED.
1345 * config/i386/svr3gas.h: Likewise.
1346 * config/i386/sysv3.h: Likewise.
1347 * config/i386/v3gas.h: Likewise.
1349 2001-02-08 Richard Henderson <rth@redhat.com>
1351 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1352 calculation of the number of integer registers required.
1353 (function_arg_record_value): Likewise.
1355 2001-02-08 Jason Merrill <jason@redhat.com>
1357 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1358 two. Print file and line with "confused" message.
1360 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1362 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1364 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1366 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1368 * final.c (cleanup_subreg_operands): The address of a MEM can
1371 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1374 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1376 * gcc.texi (Incompatibilities): Update documentation of
1377 preprocessing numbers.
1379 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1381 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1383 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1385 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1387 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1388 * gcc.c (struct compiler): Add cpp_spec field.
1389 (input_file_compiler): New variable.
1390 (do_spec_1): Allow a particular compiler to handle `%C'
1392 (main): Store the current compiler in input_file_compiler.
1393 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1395 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1397 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1398 * cppinit.c (cpp_create_reader): Initialize them.
1399 (append_include_chain): cxx_aware arg might be unused.
1400 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1401 keywords and give them their phase 7 meaning. Pedwarn about
1402 this unless '__bool_true_false_are_defined' is defined.
1404 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1406 * lcm.c (optimize_mode_switching): Emit mode_set before the
1407 JUMP_INSN of an abnormal edge.
1409 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1411 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1412 a scheduling barrier at the end.
1414 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1416 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1418 * config/sh/sh.md (reload_outsf): Removed.
1419 (movsf_ie): Introduce constraints for FPUL loads and stores.
1420 (reload_insf): Broaden the output constraint.
1422 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1424 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1425 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1427 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1429 * final.c: Revert my previous changes.
1430 * output.h: Make profile_label_no extern.
1431 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1432 for generating label.
1434 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1436 * config/i386/djgpp.h: Add comments about standard paths.
1437 (MD_EXEC_PREFIX): Undefine before defining.
1438 (MD_STARTFILE_PREFIX): New.
1440 2001-01-30 Bruce Korb <bkorb@gnu.org>
1442 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1443 (load_file): do not rely on load_file_data() to close file pointer
1444 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1445 fixinc/inclhack.def(irix_limits_const): add test_text
1447 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1449 * cppexp.c (parse_defined): Improve diagnostics for invalid
1452 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1454 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1456 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1458 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1459 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1460 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1461 (rs6000_output_symbol_ref): New function.
1462 (output_toc): Use VTABLE_NAME_P.
1464 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1466 * print-tree.c (print_node, case PARM_DECL):
1467 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1469 * stor-layout.c (reference_types_internal): New variable.
1470 (internal_reference_types): New function.
1471 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1472 * tree.h (internal_reference_types): New declaration.
1474 * cse.c (find_best_addr): Fix typo in computing cost.
1476 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1478 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1479 and this is the sum of a pointer and a constant, we know the result
1481 (num_sign_bit_copies, case PLUS): Likewise.
1482 * explow.c (convert_memory_address): Remove opposite SUBREG.
1483 * function.c (instantiate_new_reg): New function (from common code).
1484 (instantiate_virtual_regs_1): Call it.
1485 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1486 if pointers sign- or zero-extend.
1487 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1488 If pointers extend unsigned, use inside of SUBREG.
1489 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1491 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1493 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1494 subdir of gcc_gxx_include_dir.
1495 (gcc_gxx_target_include_dir): Remove.
1497 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1499 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1500 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1501 a high-level description.
1503 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1505 * final.c: Move the declaration of profile_label_no to ...
1506 * output.h: ... here.
1507 * function.c (expand_function_start): Call PROFILE_HOOK.
1508 * config/rs6000/aix.h: Define PROFILE_HOOK.
1509 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1510 * config/rs6000/rs6000.c (output_profile_hook): Define.
1511 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1512 output_profile_hook.
1513 tm.texi : Explain new macro PROFILE_HOOK.
1515 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1517 * extend.texi (Extended Asm): Do not say that semicolon is always
1518 a valid line-breaking character for GNU assemblers. Use
1519 newline-tab as the most commonly supported syntax. Use
1520 newline-tab rather than semicolon in multi-insn examples.
1522 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1524 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1526 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1527 David Edelsohn <edelsohn@gnu.org>
1529 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1530 code for AIX, even without flag_pic.
1532 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1534 * c-typeck.c (common_type): push and pop binding level around
1535 calling common_type on function parameters.
1537 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1539 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1541 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1543 * config/mips/mips.c (override_options): Fix typo in last change.
1544 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1545 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1547 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1549 * invoke.texi (-fdump-class-layout): Document.
1550 (-fdump-translation-unit): Use `=' as filename separator.
1552 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1554 * Makefile.in (s-mlib): Don't build multilibs if
1556 (DRIVER_DEFINES): Adjust accordingly.
1558 (protoize.o): Likewise.
1559 (unprotoize.o): Likewise.
1560 * configure.in: Recognize --enable-multilib.
1562 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1564 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1566 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1567 * configure.in: Remove --enable-libstdcxx_v3 support.
1568 * configure: Regenerated.
1570 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1572 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1573 Call abort instead of fatal.
1574 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1575 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1576 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1577 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1578 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1579 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1581 * diagnostic.h (set_internal_error_function): Renamed.
1582 * toplev.h (internal_error): Renamed from fatal.
1583 (pfatal_with_name): Deleted.
1584 (fatal_io_error): Now has printf-style arguments.
1585 * diagnostic.c (pfatal_with_name): Deleted.
1586 (fatal_io_error): Rework to have args in printf-style.
1587 (set_internal_error_function): Renamed from set_fatal_function.
1588 (internal_error): Renamed from fatal.
1589 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1590 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1591 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1592 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1593 * flow.c (verify_flow_info): Likewise.
1594 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1595 * config/mips/mips.c (save_restore_insns): Likewise.
1597 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1598 * flow.c (verify_flow_info): Likewise.
1599 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1600 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1601 (avr_normalize_condition): Likewise.
1602 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1603 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1604 (limit_reload_class, double_reg_to_memory): Likewise.
1605 (print_operand_address, emit_1600_code_shift): Likewise.
1606 (gen_tst_reg, gen_compare_reg): Likewise.
1607 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1608 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1610 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1612 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1613 * objc/objc-act.c (build_ivar_chain): Likewise.
1614 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1616 * graph.c (clean_graph_dump_file): Likewise.
1617 * profile.c (init_branch_prob): Likewise.
1618 * objc/objc-act.c (objc_init): Likewise.
1620 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1621 * config/avr/avr.c (avr_override_options): Likewise.
1622 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1623 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1624 * config/h8300/h8300.c (h8300_init_once): Likewise.
1625 * config/mips/mips.c (override_options): Likewise.
1626 * config/i386/i386.c (override_options): Likewise, rework.
1627 * config/m68k/m68k.c (override_options): Likewise.
1629 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1631 * config/mips/mips.c (print_operand): Likewise.
1632 * hash.c (hash_allocate): Don't check for failure returns from
1633 obstack functions that can't fail.
1634 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1635 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1636 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1637 (get_object_reference): Likewise.
1639 2001-02-04 Nick Clifton <nickc@redhat.com>
1641 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1642 StrongARM1110, 10TDMI, and 1020T.
1644 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1646 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1648 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1650 * config/sh/sh.md (movdf load split): Pass register number to
1651 FP_OR_XD_REGISTER_P.
1653 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1655 * cppinit.c (BC): New macro.
1656 (builtin_array): Add __GXX_WEAK__.
1657 * cpplib.h (builtin_type): Add BT_WEAK.
1658 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1659 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1660 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1662 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1664 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1666 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1668 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1669 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1671 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1673 * cpphash.h: Rename ALIGN _ALIGN.
1674 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1676 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1678 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1679 compilation environment.
1680 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1681 control over location of cygwin includes and libs.
1683 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1685 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1687 2001-02-02 lars brinkhoff <lars@nocrew.org>
1689 * md.texi (Standard Names): remove reference to spur.md.
1691 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1693 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1694 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1695 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1696 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1697 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1699 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1701 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1702 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1703 number before reload.
1704 (c4x_adjust_cost): Return zero before reload.
1705 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1706 split before reload.
1708 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1710 * c4x.c (c4x_hard_regno_rename_ok): New.
1711 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1712 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1714 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1716 * diagnostic.h: Add missing "extern" in all declarations.
1718 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1720 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1721 as for gcc_gxx_include_dir.
1723 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1725 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1727 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1729 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1730 label before alignment to be used as the braf base address.
1731 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1733 (casesi_jump_2): Require at least TARGET_SH2.
1735 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1736 truncation to 32-bit doubles on -m3e and -m4-single-only.
1738 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1740 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1741 the default when building a shared object.
1742 (init_spec): Use it.
1743 * testsuite/lib/g++.exp: Include the directory where libgcc
1744 is located to the LD_LIBRARY_PATH list.
1745 * invoke.texi (-shared-libgcc): Document the cases in which
1746 GCC defaults to using the shared libgcc.
1748 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1750 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1751 unsigned is wide enough.
1753 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1754 (si_to_float): Likewise.
1755 (float_to_si, float_to_usi): Use BITS_PER_SI.
1757 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1759 * dwarf2out.c: Added explanation of abbreviations.
1760 (def_cfa_1): Added comments listing DWARF2 instructions.
1761 (cfa_temp_reg): Removed in favor of cfa_temp.
1762 (cfa_temp_value): Removed in favor of cfa_temp.
1763 (cfa_temp): New global variable.
1764 (dwarf2out_frame_debug_expr): Added extensive introductory
1765 comments explaining the function's transformations. Revised to
1766 use cfa_temp. Added some rtx checking. Generalize IOR case.
1767 (dwarf2out_frame_debug): Revised to use cfa_temp.
1768 (output_aranges): Cast as "unsigned" to avoid warning.
1769 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1770 explain which instructions must be marked.
1772 2001-02-01 Richard Henderson <rth@redhat.com>
1774 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1777 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1779 * config/sh/crt1.asm (main_k): Modified so that start calls
1780 ___setup_argv_and_call_main.
1782 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1784 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1785 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1786 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1787 * cppmacro.c (builtin_macro): Set builtin flags here.
1788 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1789 (replace_args): Clarify intent.
1790 (cpp_get_token): Macro expansion tokens get the saved flags.
1792 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1795 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1797 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1800 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1802 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1803 returns Pmode pseudo, but we need ptr_mode.
1804 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1805 Remove bogus conversions; use HOST_WIDE_INT for size.
1806 Don't use TARGET if wrong mode.
1808 * config/i386/i386.c (ix86_compute_frame_size): Allow
1809 stack_alignment_needed to be non-default even if size is zero.
1811 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1813 * (hppa_init_pic_save): Emit the pic offset table
1814 reg save after last_parm_insn.
1815 * pa.c (hppa_init_pic_save): New function.
1816 * pa.h (hppa_init_pic_save): Declare.
1817 * pa.md (call, call_value, sibcall, sibcall_value): Use
1818 the above instead of duplicated code.
1820 * pa.c (hppa_encode_label): Correct size of alloca buffer
1821 so we don't overrun it. Correct leading `*' case.
1822 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1823 need to handle `*@'.
1824 (FUNCTION_NAME_P): Likewise.
1826 2001-01-31 Richard Henderson <rth@redhat.com>
1828 * config.gcc (alpha-osf5): Use float-i128.h.
1830 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1831 * config/float-i32.h: Likewise.
1832 * config/float-i64.h: Likewise.
1833 * config/float-sh.h: Likewise.
1834 * config/float-sparc.h: Likewise.
1836 2001-01-31 DJ Delorie <dj@redhat.com>
1838 * expmed.c (extract_bit_field): allow non-integral modes if we
1839 want to extract a whole register from itself.
1841 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1843 * c-typeck.c (set_init_index): If first is equal to last, assume as
1844 if it was not a range at all.
1846 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1848 * config/fp-bit.c: Include tm.h.
1849 (float_to_si): Don't assume SImode is 32-bits wide.
1850 (float_to_usi): Likewise.
1852 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1854 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1856 (typename): Call pending_xref_error after parsing typed_typespecs.
1857 * c-decl.c (lookup_tag): Give error immediately rather than
1858 leaving it pending if the tag of the wrong type is in the same
1860 (xref_tag): Don't pedwarn for forward declarations of enum types
1862 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1865 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1867 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1869 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1871 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1872 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1874 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1876 * cpphash.h (struct cpp_reader): New saved_flags.
1877 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1878 to avoid a paste after a pasted token.
1880 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1882 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1883 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1884 Wtype_MIN instead of LONG_MIN.
1886 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1888 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1890 * fixinc/fixincl.x: Regenerated.
1891 * fixinc/inclhack.def (irix_limits_const): New definition to
1892 convert "const" to "__const" in limits.h.
1894 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1896 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1898 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1900 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1901 when register dies in the insn.
1903 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1905 * diagnostic.c (fatal): Fix word wrap.
1907 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1909 * combine.c (try_combine): Fix SUBREG setting for
1910 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1912 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1914 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1917 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1919 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1921 * toplev.c (decode_W_option): Update warn_larger_than
1922 unconditionally for each processed switch.
1924 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1926 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1928 (hppa_expand_prologue): Delete code to save pic offset table register
1929 in the function prologue.
1930 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1931 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1932 table register at the beginning of the function after the prologue.
1934 2001-01-29 lars brinkhoff <lars@nocrew.org>
1936 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1938 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1939 Jeff Law <law@redhat.com>
1941 * pa.md (return): Revise comment for trivial return.
1942 (return_internal): Non-trivial return pattern for non-PIC code.
1943 (return_internal_pic): Non-trivial return pattern for PIC code.
1944 It uses the PIC register to ensure it is restored after
1946 (epilogue): Generate appropriate return for PIC and non-PIC code.
1948 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1950 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1952 2001-01-29 DJ Delorie <dj@redhat.com>
1954 * combine.c (if_then_else_cond): Pass the correct mode to
1955 operand_subword() for constants.
1957 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1959 * config/i386/cygwin.h: Add w32api to include search. Search different
1960 directories in a cross-build environment.
1962 2001-11-29 Tim Josling <tej@melbpc.org.au>
1964 * tree.h (TYPE_STUB_DECL): Add documentation.
1966 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1968 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1969 (sdbout_field_types): Likwise. Fix use of host_integerp.
1971 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1973 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1976 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1978 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1979 to use flag_gnu_linker.
1981 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1983 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1984 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1986 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1988 * tree.c, tree.h (build_parse_node): Remove; was identical to
1990 * c-lang.c (start_cdtor), objc/objc-act.c
1991 (build_module_descriptor): Use build_nt instead of
1994 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1996 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1997 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1998 not have any upper bits set.
2000 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2002 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2004 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2006 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2008 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2010 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2011 (integer_minus_one_node): Define.
2013 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2015 * Makefile.in (bootstrap2-lean): Fix typo.
2017 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2019 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2020 : Don't set fe_value.
2021 * cpplib.h (AVOID_LPASTE): New flag.
2022 (struct cpp_hashnode): Remove fe_value.
2023 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2024 * cppmacro.c (builtin_macro): Don't set flags here.
2025 (replace_args): Set AVOID_LPASTE flag on first token of an
2026 argument, and the token following it.
2027 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2028 macro expansion, and on the token following it. Do it for
2030 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2032 2001-01-27 Richard Henderson <rth@redhat.com>
2034 * config/alpha/t-ieee: Remove multilibbing.
2035 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2037 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2039 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2041 * Makefile.in: Remove all dependencies on defaults.h.
2042 * builtins.c: Don't include defaults.h.
2043 * c-common.c: Likewise.
2044 * c-decl.c: Likewise.
2045 * c-pragma.c: Likewise.
2046 * c-typeck.c: Likewise.
2047 * combine.c: Likewise.
2049 * frame-ia64.c: Likewise.
2050 * cppexp.c: Likewise.
2051 * crtstuff.c: Likewise.
2052 * dbxout.c: Likewise.
2053 * dwarf2out.c: Likewise.
2054 * dwarfout.c: Likewise.
2055 * emit-rtl.c: Likewise.
2056 * except.c: Likewise.
2058 * final.c: Likewise.
2059 * frame-dwarf2.c: Likewise.
2060 * libgcc2.c: Likewise.
2061 * optabs.c: Likewise.
2062 * profile.c: Likewise.
2063 * sdbout.c: Likewise.
2064 * toplev.c: Likewise.
2065 * tradcif.y: Likewise.
2067 * varasm.c: Likewise.
2069 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2071 * builtins.c (expand_builtin_fputs): Use size_one_node when
2072 transforming into fwrite.
2074 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2076 * extend.texi (Attribute Syntax): New section.
2078 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2080 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2081 they didn't need fixing.
2083 2001-01-27 Janis Johnson <janis@us.ibm.com>
2085 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2087 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2088 to remove macro definitions that are duplicated from elfos.h.
2090 2001-01-27 Richard Henderson <rth@redhat.com>
2092 * config/i386/sco5gas.h: Move ...
2093 * config/usegas.h: ... here.
2094 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2096 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2098 * c-typeck.c (struct constructor_stack): Add range_stack member.
2099 (really_start_incremental_init): Clear it.
2100 (push_init_level): Save constructor_range_stack and clear it if
2101 pushing explicit braces.
2102 (pop_init_level): abort if constructor_range_stack is non-zero at
2103 explicit closing brace. Restore saved constructor_range_stack if
2106 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2108 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2109 into register was forced into memory.
2111 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2113 * Makefile.in: Remove uses of + before $(MAKE).
2115 2001-01-26 Richard Henderson <rth@redhat.com>
2117 * stmt.c (cost_table): Remove.
2118 (COST_TABLE, cost_table_initialized): New.
2119 (estimate_case_costs): Use the later instead of the former.
2120 (balance_case_nodes): Likewise.
2122 2001-01-26 Richard Henderson <rth@redhat.com>
2124 * alias.c (objects_must_conflict_p): Read-only slots may not
2125 conflict despite having the same type.
2127 2001-01-27 Michael Hayes <mhayes@redhat.com>
2129 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2131 (check_ext_dependant_givs): Initialise u_start_val and
2133 (load_mems): Make last_max_reg unsigned.
2134 (try_swap_copy_prop): Use INSN_P and initialise set.
2136 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2138 * README.AVR : Removed.
2140 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2142 * pa-64.h (text_section): Remove declaration.
2144 * pa.md (return_internal): Remove mode on PIC register use.
2146 2001-01-25 lars brinkhoff <lars@nocrew.org>
2148 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2149 ASM_CLOSE_PAREN): fix typos.
2151 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2153 * acconfig.h: Define `const' to the empty string if neither
2154 __STDC__ nor __cplusplus is defined.
2155 * config.in: Regenerated.
2157 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2159 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2160 * collect2.c (main): Delete importf. Add ".obj" file extension.
2161 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2162 (aix_std_libs): Add additional AIX libraries to skip.
2163 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2164 * config/rs6000/aix51.h: New file.
2166 2001-01-25 Michael Hayes <mhayes@redhat.com>
2168 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2169 (loop_insn_emit_before): No longer static.
2170 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2171 (loop_givs_rescan, load_mems): Likewise.
2172 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2173 (maybe_eliminate_biv_1):
2174 (move_movables): Replace emit_call_insn_before with
2175 loop_call_insn_hoist.
2176 * loop.h (loop_insn_emit_before): Add.
2177 * unroll.c (copy_loop_body): Replace emit_insn_before with
2178 loop_insn_emit_before.
2180 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2182 * diagnostic.c (fatal): Request preprocessed source.
2184 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2186 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2187 olddecl has argument types and newdecl has none, use the argument
2190 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2192 * dwarf2out.c (prefix_of): New function. Determine longest common
2193 prefix of the two arguments. The units are whole path components.
2194 (output_file_names): When adding a new directory find the one entry
2195 with the longest common prefix already in the list. Artificially
2196 generate entry if there is none for this prefix.
2197 Fix test to check whether the zeroth directory entry is used.
2199 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2201 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2202 Changed all callers. Take it into account when deciding if a
2203 previously loaded value matches.
2205 2001-01-24 Richard Henderson <rth@redhat.com>
2207 * reload.c (find_reloads_subreg_address): Fail the substitution
2208 if the resulting address is insufficiently aligned.
2210 2001-01-24 DJ Delorie <dj@redhat.com>
2212 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2213 check the original operand's mode also.
2214 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2216 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2218 * c-parse.in (cast_expr): Move compound literals from here ...
2219 (primary): ... to here. Use standard terminology "compound
2220 literal" instead of "constructor expression".
2222 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2224 * gcc.1, cpp.1: Regenerate.
2226 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2228 * calls.c (emit_library_call_value_1): Memory slot for
2229 pass-by-reference argument should have the mode of the argument,
2230 not of the pointer to it.
2232 2001-01-24 Tom Tromey <tromey@redhat.com>
2234 * gcc.texi (G++ and GCC): Mention gcj manual.
2235 (Standards): Link to section of manual mentioning gcj/Java
2238 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2240 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2241 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2242 * tradcpp.c (main): Add -imacros or -include'd dependencies
2244 * cpp.texi (-M, -MM): Document -M -include behaviour.
2246 2001-01-24 Roger Collins <roger@ProProject.com>
2248 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2250 2001-01-24 Will Cohen <wcohen@redhat.com>
2252 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2253 whether registers are 32 bits or 64 bits in size.
2255 2001-01-24 Ben Elliston <bje@redhat.com>
2257 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2259 2001-01-24 Richard Henderson <rth@redhat.com>
2261 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2262 (builtin_longjmp): Use it instead of emit_indirect_jump.
2264 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2266 * bb-reorder.c (make_reorder_chain_1): Handle case where
2267 jump edge goes to the same block as the fallthru edge.
2269 2001-01-23 Jim Wilson <wilson@redhat.com>
2271 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2272 * frame.h (__ia64_personality_v1): Add prototype.
2273 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2274 prototype form. Add void * cast to first argument to personality
2276 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2277 (asctoe113): Likewise.
2278 * config/ia64/frame-ia64.c: Include eh-common.h.
2279 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2281 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2283 (itanium_split_issue): Add prototype.
2284 (gen_nop_type): Ifdef out.
2285 (find_best_packet): Initialize best_packet.
2286 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2288 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2289 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2290 (flushrs): Add explicit stop bit at end.
2291 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2294 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2296 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2298 * libgcc2.c (__terminate_func): Make variable static.
2299 (__terminate_set_func): New function to set __terminate_func.
2300 * libgcc2.h (__terminate_func_ptr): New typedef.
2301 (__terminate_set_func): New function.
2303 2001-01-23 Richard Henderson <rth@redhat.com>
2305 * flow.c (init_propagate_block_info): Don't consider unchanging
2306 memories for dead frame store elimination.
2308 2001-01-23 Richard Henderson <rth@redhat.com>
2310 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2311 * defaults.h: ... here.
2313 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2315 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2317 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2319 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2321 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2323 * rs6000.h (rs6000_return_addr): Move prototype from here...
2324 * rs6000-protos.h (rs6000_return_addr): ...to here.
2325 (rs6000_init_expanders): Delete prototype.
2327 2001-01-23 Nick Clifton <nickc@redhat.com>
2329 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2330 (Spec Files): Document %B and %j and %. and %v3 and %M and
2331 %{S*&T} spec switches.
2333 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2335 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2337 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2338 Neil Booth <neil@daikokuya.demon.co.uk>
2340 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2341 Have -Werror make pedantic warnings errors, like the
2344 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2346 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2348 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2350 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2351 * integrate.c (expand_inline_function): Initialize them.
2352 (subst_constants): If changing COMPARE so that both its arguments
2353 will be VOIDmode and the comparison mode will be lost, note
2354 compare_mode. Use the recorded compare_mode to optimize
2357 2001-01-23 Jason Merrill <jason@redhat.com>
2359 * dwarf2out.c (new_die): Use xcalloc.
2360 (output_die): Abort rather than emit a local reference to offset 0.
2362 2001-01-17 Andrew Haley <aph@redhat.com>
2364 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2365 of a saved register; return NULL instead.
2366 (copy_reg): Take a pointer to a source register rather than a
2368 (next_stack_level): Remember the address in the stack frame of all
2370 Use the saved register pointer array as the source of the CFA.
2371 (throw_helper): Rewrite. Unwind once rather than twice and keep
2372 track of saved registers as we go.
2374 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2376 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2377 * c4x.c (c4x_legitimize_reload_address): Remove.
2378 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2379 reload address for ldp(k) insn.
2381 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2383 * pa.md (return_internal): Add a USE of the PIC register to ensure
2384 it is restored after each call.
2385 (return expander): Corresponding changes.
2387 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2389 * rs6000.h (INIT_EXPANDERS): Delete.
2390 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2391 * rs6000.c (rs6000_override_options): Call *_machine_status from
2393 (rs6000_init_expanders): ...instead of here. Delete.
2394 (rs6000_mark_machine_status): New function.
2395 (rs6000_init_machine_status): Use xcalloc.
2396 (rs6000_return_addr): Generate RTX for the return address.
2397 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2398 (rs6000_stack_info): Use it.
2400 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2402 * gthr-win32.h: Include errno.h to get a declaration for
2403 EINVAL and _mingw.h if the target is mingw32.
2405 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2407 * cpp.texi: Correct typos.
2409 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2411 * explow.c (probe_stack_range): Ensure value passed to
2412 stack_check_libfunc is ptr_mode, not Pmode.
2414 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2416 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2417 case, don't use operand_subword to calculate a SUBREG that is
2420 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2422 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2424 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2425 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2426 valid. If not replace it by equivalent insns.
2428 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2430 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2431 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2432 (c4x_U_constraint, symbolic_address_operand): Likewise.
2433 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2435 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2436 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2437 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2438 anulling slot because of silicon bug.
2439 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2441 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2443 * cppexp.c (parse_charconst): Change `mask' type to agree
2446 2001-01-21 Richard Henderson <rth@redhat.com>
2448 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2449 pic_label_name in a linkonce section.
2451 2001-01-17 Philipp Thomas <pthomas@suse.de>
2453 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2455 * configure: Regenerate.
2457 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2459 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2460 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2462 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2464 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2465 If REVERSE nonzero then condition code in X must be reversed.
2466 (encode_section_info): Optimise if/else.
2467 (avr_function_value): Fix formatting.
2469 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2470 (difficult_branch): Likewise.
2471 (rvbranch): Likewise.
2472 (difficult_rvbranch): Likewise.
2474 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2476 * config/avr/libgcc.S: Fix comment.
2478 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2480 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2482 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2484 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2486 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2488 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2489 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2490 * configure, config.in: Regenerate.
2491 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2492 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2493 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2494 (doprint.o): New rule.
2496 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2498 * c-typeck.c (digest_init): Handle boolean types as scalars.
2500 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2502 * stmt.c (expand_return): Don't return anything if size is zero.
2503 Delete redundant assignment to BYTES.
2504 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2506 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2508 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2509 the same as the default library function names.
2510 * config/avr/avr.md: Document special characters after '%'.
2511 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2512 knowing which of the call-used registers are really clobbered.
2513 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2514 New. Both quotient and remainder from one libgcc.S call.
2515 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2516 clobber as few registers as possible.
2517 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2519 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2521 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2522 context of the top of the stack.
2524 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2526 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2527 (fixup_var_refs_insns): ...here.
2529 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2531 * function.c (fixup_var_refs_insns): Break up into
2532 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2533 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2534 [loop over hash table entries].
2535 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2536 fixup_var_refs_insns_with_hash, to match above changes.
2538 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2540 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2541 (libgcc.a): Likewise.
2542 (stmp-multilib): Likewise.
2543 (STAGE2_FLAGS_TO_PASS): Likewise.
2545 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2547 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2548 temporary if no_new_pseudos.
2550 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2552 * cppinternals.texi: Update.
2554 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2556 * arm.c (arm_init_builtins): Re-enable builtins.
2558 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2560 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2561 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2562 element to be null, and always expect an EXPR_LIST.
2563 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2564 * sched-deps.c (sched_analyze_1): Likewise.
2565 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2567 * regclass.c (max_set_parallel): New variable.
2568 (reg_scan): Take it into account in computation of max_parallel.
2569 (reg_scan_mark_refs, case SET): Compute it.
2571 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2573 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2574 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2576 2001-01-19 Jason Merrill <jason@redhat.com>
2578 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2579 for the abstract instance of an inline function.
2581 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2582 J"orn Rennecke <amylaar@redhat.com>
2584 * reload1.c (move2add_note_store): Treat all registers directly or
2585 indirectly derived from a base register as members of the same set
2587 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2588 of base register into account.
2590 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2592 * alias.c (find_base_value): Recognize TRUNCATE.
2593 (record_set): In PLUS case, invalidate if other summand is also a
2596 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2598 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2599 entry to be EXPR_LIST.
2600 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2601 be an EXPR_LIST (but not null, which other code doesn't allow).
2602 (note_stores): Properly handle PARALLEL in SET.
2603 Recursively call for top-level PARALLEL.
2604 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2605 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2607 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2609 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2611 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2612 not pfile->skipping (== 0).
2614 2001-01-17 Nick Clifton <nickc@redhat.com>
2616 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2619 2001-01-17 Jim Wilson <wilson@redhat.com>
2621 * invoke.texi (IA-64 options): Improve.
2623 2001-01-17 Tom Tromey <tromey@redhat.com>
2625 * invoke.texi (Optimize Options): Use `{}' to around @samp
2628 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2630 * invoke.texi (-fno-guess-branch-probability): New option.
2632 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2634 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2635 case of making new double-word constant.
2636 Revert last change: instead just test i3_subst_into_i2.
2638 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2640 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2641 Use q constraints instead of r.
2643 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2645 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2646 (machine_function): Define.
2647 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2648 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2649 pa_free_machine_status): New functions.
2650 (override_options): Set {init,mark,free}_machine_status to above.
2651 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2652 PIC_OFFSET_TABLE_REGNUM_SAVED.
2653 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2654 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2655 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2656 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2657 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2659 2001-01-15 DJ Delorie <dj@redhat.com>
2661 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2665 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2667 * flow.c (propagate_on_insn): Make trying to delete a prologue
2668 or epilogue insn an ICE, not a warning. Allow doing this if
2669 the current function returns with stack pointer depressed.
2671 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2672 I3 having more than one SET.
2674 2001-01-16 Jim Wilson <wilson@redhat.com>
2676 * invoke.texi: Document IA-64 options.
2678 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2679 (fixup_errata): Delete TARGET_A_STEP use.
2680 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2681 (TARGET_SWITCHES): Delete -ma-step option.
2682 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2683 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2684 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2685 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2686 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2687 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2689 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2690 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2691 cmovsi_internal): Delete ! TARGET_A_STEP check.
2693 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2695 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2696 possibility to report bugs via postal mail. Change a URL and
2697 merge in a nearly duplicate statement...
2698 (Bug Reporting): ...from here.
2699 (Service): Refer to the Bug Reporting section instead of
2701 (Contributing): Remove trivial explanations concerning snapshots.
2703 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2705 * cppmain.c (general_init): Don't use ANSI prototype.
2707 2001-01-16 Tom Tromey <tromey@redhat.com>
2709 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2711 2001-01-16 Richard Henderson <rth@redhat.com>
2713 * config/i386/i386.h: Fix comment typo.
2714 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2715 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2717 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2719 * gcc.c: Revert previous -fsyntax-only-related change; move
2722 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2724 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2725 inmode after checking GET_CODE (op).
2727 2001-01-16 Richard Henderson <rth@redhat.com>
2729 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2730 (MAX_MEM_SET_LIST_LEN): New.
2731 (propagate_one_insn): Update mem_set_list_len.
2732 (invalidate_mems_from_autoinc): Likewise.
2733 (invalidate_mems_from_set): Likewise.
2734 (mark_used_regs): Likewise.
2735 (init_propagate_block_info): Likewise. Stop collecting memories
2736 when we reach MAX_MEM_SET_LIST_LEN.
2737 (mark_set_1): Likewise.
2739 2001-01-16 Richard Henderson <rth@redhat.com>
2741 * unroll.c (precondition_loop_p): Fail if no iteration
2744 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2746 * gcc.c: When -fsyntax-only is given, do not complain about
2749 2001-01-15 Richard Henderson <rth@redhat.com>
2751 * config/i386/i386.c (asm_output_function_prefix): Remove.
2752 (ix86_asm_file_end): New.
2753 (load_pic_register): Generate pic_label_name into a
2754 staticly allocated buffer.
2755 * config/i386/i386-protos.h: Update.
2756 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2757 (ASM_FILE_END): New.
2758 * config/i386/i386afe.h: New file.
2759 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2760 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2761 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2762 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2763 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2764 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2765 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2767 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2769 * Makefile.in (install-man): Remove explicit dependency on
2772 * configure.in, configure: Revert previous patch requiring perl
2775 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2777 * toplev.c (flag_guess_branch_prob): New.
2778 (f_options): Add guess-branch-probability option.
2779 (rest_of_decl_compilation): Only estimate branch probability if
2781 (main): set flag_guess_branch_prob.
2783 * flags.h (flag_guess_branch_prob): New.
2785 2001-01-15 DJ Delorie <dj@redhat.com>
2787 * gcc.texi (Makefile): Add documentation for Makefile targets.
2789 2001-01-15 Philip Blundell <philb@gnu.org>
2791 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2793 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2794 (is_pic): Delete declaration.
2795 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2796 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2797 * config/arm/arm.md (builtin_setjmp_receiver): New.
2799 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2801 * arm.c (use_return_insn): Don't try to determine the function type
2802 until after reload has completed.
2803 (arm_output_epilogue): Don't adjust the sp value recovered from the
2805 (emit_multi_reg_push): Don't record dwarf information for the pc.
2806 * arm.md (eh_epilogue): The function type may have changed, so it
2807 needs to be recalculated.
2808 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2809 unwind tables on arm/netbsd.
2811 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2813 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2814 (negated_cbranchsi4): Likewise.
2816 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2818 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2819 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2820 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2821 pass -mapcs-* options to assembler.
2822 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2823 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2824 (ASM_SPEC): Call subtarget_extra_asm_spec.
2826 2001-01-15 Andreas Jaeger <aj@suse.de>
2828 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2830 (ix86_expand_builtin): Likewise.
2832 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2833 warning about comparison between signed and unsigned.
2835 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2837 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2839 2001-01-14 Ralf Baechle <ralf@gnu.org>
2841 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2842 SUBTARGET_CPP_SPEC apropriatly.
2844 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2846 * varasm.c (make_decl_rtl): Fix typo in last change.
2848 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2850 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2851 linker supports the init_priority C++ attribute.
2852 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2853 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2854 linker does not support init_priority C++ attribute.
2856 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2858 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2860 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2862 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2863 * cp/lex.c (finish_parse): Similarly.
2864 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2865 Return the number of errors encountered.
2866 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2867 * cppmain.c (main): Don't call cpp_destroy.
2869 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2871 * configure.in: Require at least perl 5.6.0 to regenerate
2873 * configure: Regenerate.
2875 2001-01-14 Richard Henderson <rth@redhat.com>
2877 * genrecog.c (DT_veclen_ge): New.
2878 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2879 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2880 (nodes_identical_1): Handle DT_veclen_ge.
2881 (write_cond, debug_decision_2): Likewise.
2883 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2885 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2887 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2889 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2891 * cppmain.c (do_preprocessing): New function; most of the old
2893 (main): Call it to do most of the work.
2894 (cb): Move from global scope to set_callbacks ().
2895 (setup_callbacks): Get the callback pointer.
2896 (general_init, printer_init): Clean up code and comments.
2898 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2900 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2903 2001-01-14 Kazu Hirata <kazu@hxi.com>
2905 * config/h8300/h8300.c (get_shift_alg): Update comments.
2907 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2909 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2910 (alloc_page, ggc_alloc): Add casts to remove warnings.
2912 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2914 * combine.c (simplify_comparison): Don't change `code' when
2915 can't reverse comparison.
2917 2001-01-14 Richard Henderson <rth@redhat.com>
2919 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2920 update all call sites. Return true for all non-label constants.
2922 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2924 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2926 (ix86_expand_branch): Update.
2927 (ix86_expand_setcc): Update to handle multiple test conditions.
2928 (expand_int_movcc): Likewise.
2929 (expand_fp_movcc): Likewise.
2930 * i386-protos.h (ix86_expand_compare): New.
2931 * i386.md (andqi_?_slp, orqi_?_slp): New.
2932 (conditional trap expander): Update call to ix86_expand_compare.
2934 2001-01-14 Richard Henderson <rth@redhat.com>
2936 * config/vax/vax.md: Use nonimmediate_operand instead of
2937 general_operand in destinations.
2939 * config/vax/vax.md (indirect_jump): Use register_operand.
2941 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2942 * config/vax/vax.md (call_pop): Turn into an expander.
2943 (call_value_pop): Likewise.
2944 (call, call_value): New.
2946 2001-01-14 Andreas Jaeger <aj@suse.de>
2948 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2950 (ix86_fp_compare_mode): Add unused attribute.
2951 (ix86_expand_fp_movcc): Remove unused variable.
2952 (ix86_expand_builtin): Make fcode unsigned.
2954 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2955 (expand_expr): Add cast to avoid signed warning.
2956 (store_field): Likewise.
2957 (store_constructor_field): Likewise.
2958 (store_constructor): Likewise.
2959 (store_expr): Likewise.
2960 (clear_storage): Likewise.
2961 (emit_group_store): Likewise.
2962 (emit_group_load): Likewise.
2964 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2966 * c-common.c: Move format checking code to ...
2967 * c-format.c: ... here. New file. Reorder some functions and
2969 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2971 * c-common.h (decl_handle_format_attribute,
2972 decl_handle_format_arg_attribute): Declare.
2973 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2974 (c-common.o): Adjust dependencies.
2975 (c-format.o): New list of dependencies.
2977 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2979 * unroll.c (loop_iterations): If we cannot prove iteration variable
2980 is set once in each iteration, punt.
2982 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2984 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2985 (*strlenhi): Remove clobber (which was buggy) of output address.
2987 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2989 * Makefile.in (generated-manpages): Add gcc.1
2990 ($(srcdir)/gcc.1): New target.
2991 (maintainer-clean): Delete $(srcdir)/gcc.1.
2992 * gcc.texi: Add macros @gccoptlist and @gol.
2993 * invoke.texi: Include option summary in manpage. Mark up option
2994 summary with @gccoptlist and @gol. Use @r in one place where
2996 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2997 * gcc.1: Generate from invoke.texi.
2999 2001-01-13 Richard Henderson <rth@redhat.com>
3001 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3002 (struct page_entry): Add group member.
3003 (struct page_group): New.
3004 (struct globals): Add page_groups member.
3005 (alloc_anon): Only define for using mmap; remove valloc call.
3006 (page_group_index): New.
3007 (set_page_group_in_use): New.
3008 (clear_page_group_in_use): New.
3009 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3010 (free_page, release_pages): Likewise.
3011 * configure.in (with-gc): Default to ggc-page always.
3013 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3015 * reload1.c (replace_pseudos_in_call_usage): Use
3016 reg_equiv_constant and reg_equiv_address, and don't try
3017 regno_reg_rtx first.
3019 2001-01-13 Richard Henderson <rth@redhat.com>
3021 * ggc-page.c (alloc_page): Round up allocation size to one page.
3022 Set e->order on extra pages.
3024 2001-01-13 Richard Henderson <rth@redhat.com>
3026 * genrecog.c (nodes_identical): Expand commentary.
3027 (write_switch): Watch out for identical nodes.
3029 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3031 * cppfiles.c (_cpp_fake_include): New function.
3032 * cpphash.h (_cpp_fake_include): New.
3033 * cpplib.c (do_line): Call _cpp_fake_include when entering
3034 header files in preprocessed input.
3035 * cppmain.c (cb_pragma_implementation): Remove handling.
3036 (setup_callbacks): Don't register pragmas.
3038 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3040 * extend.texi: Udate for CPP.
3042 2001-01-13 Andreas Jaeger <aj@suse.de>
3044 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3046 * regmove.c: Add prototype for replace_in_call_usage.
3048 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3050 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3051 struct cpp_chunk, struct htab, struct toklist,
3052 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3053 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3054 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3055 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3056 (struct macro_args): Delete.
3057 * cpphash.h: See above.
3059 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3061 * cppmain.c (struct printer): Remove no_line_dirs.
3063 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3064 : Use options rather than CPP_OPTION.
3065 (setup_callbacks): Use cb rather than pfile->cb.
3066 (main): No need to check for a buffer. Use cpp_errors.
3067 (printer_init): Don't set no_line_dirs.
3068 (maybe_print_line): Use options not no_line_dirs.
3069 (cb_file_change): Don't call print_line if -P.
3071 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3073 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3075 * c-parse.in (finish_parse): Use cpp_errors.
3076 (__yylex): Use return value of cpp_pop_buffer.
3077 * cp/lex.c (finish_parse): Use cpp_errors.
3078 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3080 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3082 * README.AVR: URLs corrected.
3084 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3086 * c-decl.c (start_function): Don't warn if old prototype is builtin
3087 that's not in C's namespace.
3088 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3089 (_bb): Add prototype for ctime.
3090 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3092 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3094 * i386.c (ix86_fp_comparison_arithmetics_cost,
3095 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3096 ix86_fp_comparison_cost): New functions.
3097 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3098 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3099 two-branch sequences; make static.
3100 (ix86_use_fcomi_compare): Do decision according to the costs.
3101 (split_fp_branch): New.
3102 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3103 * i386-protos.h (ix86_expand_fp_compare): Remove
3104 (ix86_split_fp_branch): Declare.
3106 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3107 and ix86_comparison_operator.
3109 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3112 * i386.c (put_condition_code): Output properly the unordered/ordered
3113 compares in fp case.
3114 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3116 * tm.texi (REVERSE_CONDITION): Document.
3117 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3118 in -ffast-math mode.
3119 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3121 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3123 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3125 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3128 * config/sh/sh.c (mova_p): Fix test for mova_const.
3130 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3132 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3133 cpp_get_options rather than dereferencing pfile and using
3135 * scan-decls.c (scan_decls): Use return value of
3136 cpp_pop_buffer rather than CPP_BUFFER.
3138 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3140 * cppinit.c (cpp_handle_option): help_only is now part of the
3141 cpp_options structure.
3142 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3143 cpp_set_callbacks): New functions.
3144 * cpplib.h (cpp_callbacks): Break out as a named structure.
3145 (cpp_options): Move help_only here from cpp_reader.
3146 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3147 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3148 cpp_set_callbacks): New prototypes.
3149 * cppmain.c (main): Update for help_only.
3151 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3153 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3154 Also build and remove and install and uninstall c-tree.info and
3156 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3157 ($(srcdir)/cppinternals.info): New target.
3158 * c-tree.texi: Change file name used when makeinfo used without -o
3159 from ir.info to c-tree.info. Add info directory entry.
3160 * cppinternals.texi: Add info directory entry.
3161 * .cvsignore: Update.
3163 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3165 * c-typeck.c (store_init_value): Don't require constant initializer
3166 elements with -pedantic -std=c99.
3167 (digest_init): Change error about non-constant initializer elements
3169 (constructor_range_end): Remove.
3170 (constructor_incremental, designator_depth,
3171 designator_errorneous): New variables.
3172 (struct constructor_stack): Remove range_end, add incremental.
3173 (struct constructor_range_stack, constructor_range_stack): New.
3174 (struct initializer_stack): Add constructor_range_stack.
3175 (finish_init): Set it.
3176 (start_init): Likewise. require_constant_elements for non-static
3177 trees only if not flag_isoc99.
3178 (really_start_incremental_init): Remove constructor_range_end, add
3179 constructor_incremental.
3180 (pop_init_level): Likewise.
3181 (push_init_level): Likewise. If implicit and the subobject had some
3182 value set already, preinitialize the level with it.
3183 Warn about missing braces only if not pushing due to designators.
3184 (set_designator, push_range_stack): New functions.
3185 (set_init_label): Use them.
3186 (set_init_index): Likewise. Remove constructor_range_end.
3187 Error if designator index is outside of array bounds.
3188 (add_pending_init): Compare values of purpose index trees, not the
3189 trees themselves. Allow overwriting of already initialized element.
3190 Issue a warning if it had side-effects.
3191 (set_nonincremental_init, set_nonincremental_init_from_string): New
3193 (pending_init_member): Rename to...
3194 (find_init_member): ...this function. Call set_nonincremental_init
3195 if necessary. Compare values of purpose index trees, not the trees
3196 themselves. Return the actual value, not just non-zero if something
3198 (output_init_element): Remove checks for duplicates.
3199 If field has zero size, only check the initializer for correctness.
3200 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3201 if constructor_incremental is zero. Change error about initializers
3202 not computable at load time into pedwarn.
3203 (output_pending_init_elements): Compare bit positions, not
3204 FIELD_DECLs to take into account zero-sized fields.
3205 (process_init_element): Use constructor_range_stack to fill all
3206 ranges in the designator lists from current level up.
3207 * extend.texi: Update documentation for labeled elements.
3209 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3211 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3212 to function usage for arguments passed by reference. Optimize
3213 callee-copied arguments.
3214 * regmove.c (replace_in_call_usage): New function.
3215 (fixup_match_1): Call it.
3216 * cse.c (cse_insn): Canonicalize registers in function usage.
3217 * reload1.c (replace_pseudos_in_call_usage): New function.
3220 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3223 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3225 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3228 2001-01-12 DJ Delorie <dj@redhat.com>
3230 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3231 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3234 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3236 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3237 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3238 -std options alongside references to -ansi. Update some
3239 documentation for C99.
3240 * cpp.1: Regenerate.
3242 2001-01-12 Andreas Jaeger <aj@suse.de>
3244 * haifa-sched.c (restore_line_notes): Remove argument block B
3246 * sched-ebb.c (schedule_ebb): Change caller.
3247 * sched-rgn.c (schedule_region): Likewise.
3248 * sched-int.h (restore_line_notes): Adjust prototype.
3250 * loop.h: Remove wrong declaration of doloop_condition_get.
3252 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3254 * extend.texi: Move C++-extension-related node from the C section
3255 into the C++ section.
3257 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3259 * extend.texi: Refer to an array of pointers to functions instead
3260 of one of functions.
3262 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3263 Jan Hubicka <jh@suse.cz>
3265 * combine.c (reversed_comparison): Fix typo in last patch.
3267 (combine_reversed_comparison_code): Make static to follow
3268 prototype declaration.
3270 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3272 * install.texi: Remove misplaced duplicate entry.
3274 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3276 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3278 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3280 * final.c: (leaf_function_p): Fix typo.
3282 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3284 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3285 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3287 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3288 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3289 mmap_anon, and valloc is available.
3290 * ggc-page.c: Restructure ifdef logic to match new autoconf
3291 spec. Don't throw away the test page in init_ggc.
3293 * configure, config.in: Regenerate.
3295 2001-01-12 Michael Hayes <mhayes@redhat.com>
3297 * loop.h (total_biv_increment): Constify iv_class pointer.
3298 (struct induction): Replace `mem_mode' with `mem' rtx.
3299 * unroll.c (total_biv_increment): Constify iv_class pointer.
3300 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3301 (find_mem_givs, combine_givs_p): Likewise.
3302 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3304 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3306 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3308 (__gthread_getspecific): Ditto.
3310 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3312 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3313 put_condition_code): Convert fp comparison codes to integer
3315 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3318 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3319 * i386-protos.h (no_comparison_operator): Kill.
3321 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3323 * combine.c (REVERSIBLE_CC_MODE): Remove.
3324 (reversible_comparison_p): Remove.
3325 (combine_reversed_comparison_code): New.
3326 (reversed_comparison): New.
3327 (combine_simplify_rtx): Use
3328 combine_reversed_comparison_code/reversed_comparison instead
3329 of reversible_comparison_p.
3330 (simplify_if_then_else): Likewise.
3331 (simplify_set): Likewise.
3332 (simplify_logical): Likewise.
3333 (if_then_else_cond): Likewise.
3334 (known_cond): Likewise.
3335 (simplify_comparison): Likewise.
3337 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3339 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3340 sizeof (int) is larger than sizeof(__word__).
3342 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3344 * cppinit.c (do_includes): Fix typo.
3346 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3348 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3349 in S_REGS does not occur because not all sources are possible
3350 when a S_REGS is a destination (sometimes needs a clobber).
3351 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3352 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3353 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3354 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3355 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3356 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3357 (lshrdi_const1, lshrsi3_const16): Likewise.
3358 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3359 (*movhi_68hc12, *movqi_68hc12): Likewise.
3360 (movstrictqi): Make sure reloading in D_REGS as a destination
3363 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3365 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3367 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3369 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3370 -D, -U and -A, and don't initialize the builtins.
3371 (do_includes): Error if -include or -imacros with -fpreprocessed.
3372 * cppmain.c (cb_define, cb_undef): Unconditionally process
3374 * tradcpp.c (main): Fix typo.
3376 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3378 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3379 (read_name_map): Use IS_ABSOLUTE_PATH.
3380 * tradcpp.c (get_filename): Likewise.
3382 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3384 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3385 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3386 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3387 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3388 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3389 (cmphi_z_used): Don't use '@' for the output.
3390 (tstqi_z_used): Likewise.
3391 (cmpqi_z_used): Likewise.
3392 (one_cmplsi2): Likewise.
3394 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3396 * config/sh/sh.c (barrier_align): Recognize branch around far
3397 branch and redundant insn.
3399 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3401 * invoke.texi: Restore documentation of the drivers' switches -MD
3404 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3406 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3408 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3409 check-objc//%): Support parallel testing of multilibs.
3410 (TESTSUITEDIR): Set to testsuite by default, but override for
3412 (check-gcc, check-g++, check-g77, check-objc): Enter
3415 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3417 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3418 * sched-deps.c (deps_may_trap_p): Likewise.
3419 * basic-block.h: Remove a comment.
3420 * flow.c (PROP_POSTRELOAD): Remove.
3421 (update_life_info): Don't add it to prop_flags.
3422 (mark_set_1): Lose the code that was enabled by it.
3424 2001-01-11 Michael Hayes <mhayes@redhat.com>
3426 * flow.c (flow_call_edges_add): New.
3427 * basic_block.h (flow_call_edges_add): New.
3429 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3431 * reload1.c (move2add_note_store): Update reg_set_luid even if
3432 base reg remains the same.
3434 2001-01-10 Nick Clifton <nickc@redhat.com>
3436 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3437 machine_function structure to zero.
3438 Add prototypes for machine_status functions.
3440 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3442 * c-common.h (CTI_VOID_LIST): Remove.
3443 (void_list_node): Likewise.
3444 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3445 (void_list_node): New macro.
3446 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3447 * config/i386/i386.c (ix86_init_builtins): Likewise.
3448 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3450 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3452 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3453 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3455 * tradcpp.c: Include mkdeps.h.
3456 (deps, print_deps_phony_targets, deps_append, output_deps,
3457 init_dependency_output, output_deps): New.
3458 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3459 deps_output): Delete.
3460 (print_deps_missing_files): Rename deps_missing_files.
3461 (inhibit_output): Make global.
3462 (main): Delete inhibit_output, deps_stream, deps_target.
3463 Use mkdeps functionality in the same way as cpplib. Remove
3464 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3465 -M and -MM. Remove old handling of deps via deps_out, and
3466 old reading of environment variables.
3467 (get_filename): Update to use deps_add_dep.
3469 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3471 * output.h (make_function_rtl): Remove prototype.
3472 (make_decl_rtl): Likewise.
3473 * varasm.c (make_function_rtl): Remove.
3474 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3475 than from a third parameter.
3476 * tree.h (make_decl_rtl): Remove last parameter.
3477 * c-decl.c (builtin_function): Remove last argument in call to
3478 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3479 (start_function): Likewise.
3480 * except.c (call_get_eh_context): Likewise.
3481 * expr.c (emit_block_move): Likewise.
3482 (clear_storage): Likewise.
3483 * profile.c (output_func_start_profiler): Likewise.
3484 * toplev.c (rest_of_decl_compilation): Likewise.
3485 * objc/objc-act.c (create_builtin_decl): Likewise.
3486 (synth_module_prologue): Likewise.
3487 (generate_static_reference): Likewise.
3488 (build_selector_reference_decl): Likewise.
3489 (build_class_reference_decl): Likewise.
3490 (build_objc_string_decl): Likewise.
3491 (build_protocol_reference): Likewise.
3493 2001-01-10 Richard Henderson <rth@redhat.com>
3495 * hwint.h: Revert yesterday's change.
3497 2001-01-10 Nick Clifton <nickc@redhat.com>
3499 * function.h (save_machine_status): Delete.
3500 (restore_machine_status): Delete.
3501 Amend comment describing {init|mark|free}_machine_status.
3503 * function.c (save_machine_status): Delete.
3504 (restore_machine_status): Delete.
3505 Amend comment describing {init|mark|free}_machine_status.
3506 (push_function_context_to): Remove invocation of
3507 save_machine_status.
3508 (pop_function_context_from): Remove invocation of
3509 restore_machine_status.
3511 * emit-rtl.c (init_emit_once): Amend comment describing
3512 {init|mark|free}_machine_status.
3514 * tm.texi (Per-Function Data): New node. Describe the
3515 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3518 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3520 * cppinit.c (OPT_g): Remove.
3521 (cpp_handle_option): Update for removed -g3.
3522 (print_help): Update.
3523 * cpplib.h (struct cpp_options): Remove debug_output.
3524 * cppmain.c (setup_callbacks, cb_define): Update.
3525 * gcc.c (cpp_options): Translate -g3 to -dD.
3527 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3529 * config/i960/i960.md: Change modifier to + on the zero_extract
3530 pattern after the (rotate -2 reg) canonicalization pattern.
3532 2001-01-10 Richard Henderson <rth@redhat.com>
3534 * config/alpha/alpha.c (alpha_free_machine_status): New.
3535 (override_options): Install it.
3536 (alpha_mark_machine_status): Verify machine non-null.
3537 * config/i386/i386.c (ix86_free_machine_status): New.
3538 (override_options): Install it.
3539 (ix86_init_machine_status): Use xcalloc.
3540 (ix86_mark_machine_status): Verify machine non-null.
3541 * config/ia64/ia64.c (ia64_free_machine_status): New.
3542 (ia64_override_options): Install it.
3543 (ia64_mark_machine_status): Verify machine non-null.
3545 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3547 * function.c (instantiate_virtual_regs): Instantiate virtual
3548 registers found in CALL_INSN_FUNCTION_USAGE.
3550 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3552 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3553 equivalent to -ansi in disabling -Di386.
3555 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3557 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3559 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3561 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3563 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3565 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3567 * invoke.texi: Document that -fcond-mismatch isn't supported for
3570 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3572 * gcc.texi: Define macro gcctabopt.
3573 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3574 @command, @env and @option in some places where appropriate. Use
3575 @gcctabopt where appropriate. Put URLs and email addresses inside
3578 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3580 * gcc.c (cpp_options): Set MD file name from output
3581 filename, if specified.
3582 (suffix_subst): New static variable.
3583 (do_spec): Clear it.
3584 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3586 (give_switch): Handle suffix_subst.
3588 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3590 * invoke.texi: Fix another typo.
3592 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3594 * invoke.texi: Fix typo.
3596 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3598 * c-lang.c (lang_hooks): Update.
3599 (lang_decode_option): Remove.
3600 (lang_init_options): Rename c_init_options.
3601 * toplev.c (main): Use lang_hooks for lang_init_options
3602 and lang_decode_option.
3603 * toplev.h (lang_hooks): Add 2 new hooks.
3604 * tree.h: Remove lang_init_options and lang_decode_option.
3605 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3606 * cp/decl2.c: Similarly.
3607 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3608 (lang_hooks): Update.
3609 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3611 (lang_init_options): Rename ffe_init_options.
3612 (lang_hooks): Update.
3613 (lang_decode_option): Remove.
3614 * java/lang.c (lang_init_options): Rename java_init_options.
3615 (lang_decode_option): Rename java_decode_option.
3616 (lang_hooks): Update.
3617 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3618 (lang_decode_option): Rename objc_decode_option.
3619 (lang_hooks): Update.
3621 2001-01-09 Nick Clifton <nickc@redhat.com>
3623 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3624 (d30v_return_addr_rtx): Delete.
3625 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3626 cfun->machine structure.
3627 (struct machine_function): Move to d30v.h
3628 (d30v_save_machine_status): Delete.
3629 (d30v_restore_machine_status): Delete.
3630 (d30v_init_machine_status): New Function.
3631 (d30v_mark_machine_status): New Function.
3632 (d30v_free_machine_status): New Function.
3633 (d30v_init_expanders): Use new functions.
3634 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3635 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3636 d30v_return_addr_rtx.
3638 * config/d30v/d30v.h (struct_machine): Move here.
3639 Add eh_epilogue_sp_ofs field.
3641 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3642 field in cfun->machine structure.
3644 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3646 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3647 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3648 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3650 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3652 * objc/lang-options.h: Remove bogus reference to
3655 2001-01-09 Kazu Hirata <kazu@hxi.com>
3657 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3660 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3662 * reload.c (find_reloads_address): Check for eliminable registers
3663 when substituting a constant expression for a pseudo.
3665 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3667 * c-common.c (enum format_type): Add format_type_error.
3668 (decode_format_type): New function.
3669 (decl_attributes): Use it.
3670 (format_kind_info): Adjust comment.
3672 2001-01-09 David O'Brien <obrien@BSDi.com>
3674 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3675 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3677 * config/i386/gnu.h: Don't include required platform specific .h files,
3678 tm.h will do it instead.
3679 * config/i386/i386elf.h: Likewise.
3680 * config/i386/linux.h: Likewise.
3681 * config/i386/moss.h: Likewise.
3682 * config/mips/gnu.h: Likewise.
3684 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3686 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3687 (rs6000-ibm-aix3.[01]*): Likewise.
3688 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3689 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3690 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3691 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3692 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3693 (powerpc-*-eabiaix*): Likewise.
3694 (powerpc-*-eabisim*): Likewise.
3695 (powerpc-*-elf*): Likewise.
3696 (powerpc-*-eabi*): Likewise.
3697 (powerpc-*-rtems*): Likewise.
3698 (powerpc-*-linux*libc1): Likewise.
3699 (powerpc-*-linux*): Likewise.
3700 (powerpc-wrs-vxworks*): Likewise.
3701 (powerpcle-wrs-vxworks*): Likewise.
3702 (powerpcle-*-sysv*): Likewise.
3703 (powerpcle-*-elf*): Likewise.
3704 (powerpcle-*-eabisim*): Likewise.
3705 (powerpcle-*-eabi*): Likewise.
3706 (powerpcle-*-solaris2*): Likewise.
3707 * config/rs6000/aix31.h: Delete includes.
3708 * config/rs6000/aix3newas.h: Likewise.
3709 * config/rs6000/aix41.h: Likewise.
3710 * config/rs6000/aix43.h: Likewise.
3711 * config/rs6000/beos.h: Likewise.
3712 * config/rs6000/rtems.h: Likewise.
3713 * config/rs6000/sysv4.h: Likewise.
3715 2001-01-09 Kazu Hirata <kazu@hxi.com>
3717 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3718 Change an argument mode of machine_mode to shift_mode of
3719 shift_mode. Remove an extra error check.
3720 (emit_a_shift): Adopt to the new calling prototype of
3722 (function_prologue): Fix code for a monitor
3723 function. Support H8/S.
3724 (function_epilogue): Do not output pop for a monitor function.
3726 2001-01-09 Nick Clifton <nickc@redhat.com>
3728 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3729 (setup_incoming_varargs): Use sysv_varargs_p field of the
3730 cfun->machine structure.
3731 (struct machine_function): Move to rs6000.h
3732 (rs6000_save_machine_status): Delete.
3733 (rs6000_restore_machine_status): Delete.
3734 (rs6000_init_machine_status): New Function.
3735 (rs6000_free_machine_status): New Function.
3736 (rs6000_init_expanders): Use new functions.
3738 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3740 (struct machine_function): Move here.
3742 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3743 sysv_varargs_p field of the cfun->machine structure.
3745 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3747 (rs6000_restore_machine_status): Remove prototype.
3749 2001-01-09 Richard Henderson <rth@redhat.com>
3751 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3752 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3753 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3754 (sched_analyze_2, sched_analyze_insn): Likewise.
3755 (sched_analyze, init_deps): Likewise.
3756 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3757 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3758 (compute_block_backward_dependences): Update propagate_deps call.
3760 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3762 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3764 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3766 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3767 (cpp_handle_option): Handle them.
3768 (cpp_post_options): Ensure one of -M or -MM is specified with
3769 any other -M? option.
3770 (init_dependency_output): Suppress output with -MG.
3772 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3775 * invoke.texi: Update.
3777 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3779 * sh.md (reload_outsf): Generate recognizable patterns for
3782 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3784 * c-lang.c (lang_hooks): Update.
3785 (lang_init): Rename c_init.
3786 (lang_finish): Remove.
3787 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3789 * toplev.h (lang_hooks): Add init () and finish ().
3790 * tree.h (lang_init, lang_finish): Remove.
3791 * cp/tree.h (lang_init, lang_finish): Remove.
3792 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3793 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3795 (lang_init, lang_finish): Remove.
3796 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3797 (lang_hooks): Update.
3798 * java/lang.c (lang_init): Rename java_init.
3799 (lang_finish): Remove.
3800 (lang_hooks): Update.
3801 * objc/objc-act.c (lang_init): Rename objc_init.
3802 (lang_finish): Remove.
3803 (lang_hoooks): Update.
3805 20001-01-09 Graham Stott <grahams@redhat.com>
3807 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3808 after `ptr` is initialised.
3810 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3812 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3813 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3814 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3815 stack adjusts, instead of r3.
3817 2001-01-09 Michael Hayes <mhayes@redhat.com>
3819 * flow.c (flow_loop_scan): Break out of ...
3820 (flow_loops_find) ... here.
3821 * basic-block.h (flow_loop_scan): New.
3822 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3823 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3825 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3827 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3829 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3830 realloc()ing macro_buffer.
3832 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3833 if it's wider than long and the target's long is wider than the
3836 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3838 Remove support for using UWIN as a host machine.
3839 * configure.in: Issue an error message.
3840 * configure: Regenerated.
3841 * config.gcc: Remove xm_* UWIN configury.
3842 * config/i386/xm-uwin.h: Remove.
3844 2001-01-08 Nick Clifton <nickc@redhat.com>
3846 * config/v850/v850.c (ra_rtx): Delete.
3847 (v850_save_machine_status): Delete.
3848 (v850_restore_machine_status): Delete.
3849 (v850_init_machine_status): New function.
3850 (v850_mark_machine_status): New function.
3851 (v850_free_machine_status): New function.
3852 (v850_return_addr): Use ra_rtx field in machine structure.
3853 (v850_init_expanders): Use new functions.
3855 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3856 * config/v850/v850.c: Change arguments to v850_output+* functions
3857 to take a const char *, to avoid compile time warning.
3858 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3859 (USER_LABEL_PREFIX): Redefine.
3861 2000-01-08 Jim Wilson <wilson@redhat.com>
3863 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3864 1 to unsigned HOST_WIDE_INT before left shift.
3866 2001-01-08 Nick Clifton <nickc@redhat.com>
3868 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3869 the machine structure has been allocated.
3870 (arm_free_machine_status): New function: Free the machine
3871 specific function structure.
3873 2001-01-08 Richard Henderson <rth@redhat.com>
3875 * jump.c (simplejump_p): Revert last change.
3877 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3879 * cppinit.c (init): Rename init_library.
3880 (cpp_create_reader): Update.
3881 * gcc.c (cpp_options): If -o given, use it as the target of
3884 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3886 * arm.c (arm_arch5e): New variable.
3887 (all_cores): XScale is a 5TE device.
3888 (arm_override_options): Set arm_arch5e.
3889 (arm_init_builtins): __builtin_prefetch is in arch5e.
3890 * arm.h (arm_arch5e): Declare it.
3892 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3894 * arm.md (define_constants): Add defines for UNSPEC and
3895 UNSPEC_VOLATILE insns. Update all users.
3896 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3897 * arm.c (multi_register_push, note_invalid_constants)
3898 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3899 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3900 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3902 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3904 * jump.c (jump_optimize_1): Use reversed_comparison_code
3905 instead of can_reverse_comparison_p.
3906 (jump_back_p): Likewise.
3907 (invert_exp_1): Likewise.
3908 (thread_jumps): Likewise.
3909 * simplify-rtx.c (simplify_unary_operation): Likewise.
3910 (simplify_ternary_operation): Likewise.
3911 * cse.c (find_comparison_args): Convert to use
3912 can_reverse_comparison_p.
3913 (record_jump_equiv): Likewise.
3915 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3917 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3918 (EPILOGUE_USES): Define.
3919 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3920 automatically stack the LR if it isn't live.
3922 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3924 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3927 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3929 * ggc-page.c (max_alignment): New structure.
3930 (MAX_ALIGNMENT): New macro.
3931 (init_ggc): Use it to round up the sizes in the
3932 extra_order_size_table.
3934 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3936 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3939 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3941 * builtins.def (BUILT_IN_FPRINTF): New entry.
3943 * c-common.c (c_expand_builtin_fprintf): New function.
3944 (init_function_format_info): Handle __builtin_fprintf.
3945 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3946 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3948 * c-decl.c (duplicate_decls): Adjust comment.
3950 * extend.texi (fprintf): Document new builtin.
3952 2001-01-07 Richard Henderson <rth@redhat.com>
3954 * jump.c (simplejump_p): Recognize any single_set jump
3957 2001-01-07 Richard Henderson <rth@redhat.com>
3959 * configure.in (slibdir): Accept an --with-slibdir option.
3960 Use "test" not "[" in configure. Default to $(libdir).
3962 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3964 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3965 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3966 (SHLIB_LINK): Create links for the soname.
3967 * config/mips/t-iris6: Likewise.
3968 * config/sparc/t-slibgcc: Likewise.
3969 * config/sparc/t-slibgcc-sld: Likewise.
3971 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3973 * config/i386/i386.c (constant_call_address_operand): Accept
3974 (const (plus (symbol_ref) (const_int))).
3975 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3976 constant_call_address_operand.
3978 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3980 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3981 and LONG_LONG_TYPE_SIZE > 32.
3983 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3985 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3986 the previous change.
3988 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3990 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3992 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3993 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3994 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3997 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3999 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4001 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4003 * c-lang.c (c_post_options): Call cpp_post_options.
4004 * objc/objc-act.c (objc_post_options): Similarly.
4005 * cppmain.c (main): Similarly.
4006 * fix-header.c (read_scan_file): Similarly.
4007 * cppinit.c (cpp_start_read): Move option consistency checks
4008 to cpp_post_options. Don't call init_dependency_output.
4009 If needed, add default target and main file dependency.
4010 (OPT_MD, OPT_MMD): Remove.
4012 (cpp_handle_option): Update for OPT_* changes.
4013 (cpp_post_options): New.
4014 (init_dependency_output): Command line -MF overrides environment
4015 variables. Don't set default target etc. Suppress output
4016 if dependencies are going to stdout.
4017 (print_help): Update.
4018 * cpplib.h (cpp_post_options): New.
4019 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4021 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4023 * jump.c (comparison_dominates_p): Support unordered compares.
4025 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4027 * simplify-rtx.c (simplify_relational_operation): Always simplify
4028 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4031 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4033 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4034 (nonzero_bits): Likewise.
4035 (simplify_comparison): Likewise.
4036 (num_sign_bit_copies): Likewise; return more sane value depending
4037 on STORE_FLAG_VALUE.
4038 (known_cond): Do not assume EQ to be always true for equivalent
4041 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4043 * cse.c (fold_rtx): Handle unordered comparisons.
4045 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4047 * rtlanal.c (set_of_1): New static function.
4048 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4049 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4050 reg_set_last_last_regno): Remove.
4051 (set_of): New global function.
4052 (set_of_data): New structure.
4053 (reg_set_p, reg_set_last): Revamp for set_of.
4054 * rtl.h (set_of): New.
4056 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4058 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4059 * extend.texi: Document _Exit builtin.
4061 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4063 * (initialize, initialize_builtins,
4064 initialize_dependency_output, initialize_standard_includes):
4065 Rename s/initialize/init. Update.
4066 (init_dependency_output): Move to after
4067 cpp_handle_options, the correct location temporally at least.
4068 (opt_comp): Move next to init (), its caller. Fix prototype.
4069 (init): Make "initialized" local scope.
4070 (cpp_create_reader): Always call init ().
4071 (cpp_start_read): Update.
4072 (output_deps): New function, broken out of cpp_finish.
4073 (cpp_finish): Break out output_deps.
4075 2001-01-07 Richard Henderson <rth@redhat.com>
4077 * collect2.c (COFF specific stuff): Revert 12-06 patch
4078 to prototype system functions.
4080 2001-01-07 Michael Hayes <mhayes@redhat.com>
4082 * hard-reg-set.h: Add multiple include guard.
4083 * basic-block.h (struct loop): Add `sink' field.
4084 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4085 (emit_iv_add_mult): Delete.
4086 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4087 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4088 (unroll_loop): Remove end_insert_before argument.
4089 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4090 (maybe_eliminate_biv_1): Likewise.
4091 (emit_iv_add_mult): Delete.
4092 (gen_add_mult, loop_regs_update): New.
4093 (loop_insn_emit_after, loop_insn_emit_before): New.
4094 (loop_insn_sink, loop_insn_sink_or_swim): New.
4095 (emit_iv_add_mult): Delete.
4096 (scan_loop): Set loop->sink.
4097 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4098 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4099 (maybe_eliminate_biv_1): Likewise.
4100 (maybe_eliminate_biv_1): Add basic block argument.
4101 * unroll.c (unroll_loop): Remove end_insert_before argument.
4102 (find_splittable_regs): Likewise.
4103 (find_splittable_regs): Use loop_insn_sink and its ilk.
4104 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4106 2001-01-07 Michael Hayes <mhayes@redhat.com>
4108 * loop.h (loop_insn_hoist): New prototype.
4109 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4110 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4111 (check_dbra_loop, load_mems): Likewise.
4112 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4113 (find_splittable_givs): Likewise.
4115 2001-01-07 Michael Hayes <mhayes@redhat.com>
4117 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4119 2001-01-07 Richard Henderson <rth@redhat.com>
4121 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4123 2001-01-07 Richard Henderson <rth@redhat.com>
4125 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4126 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4127 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4128 variant that handles a shared libgcc.
4129 (process_command): Always validate -{static,shared}-libgcc.
4130 (do_spec_1): New 'M' case.
4131 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4133 2001-01-07 Richard Henderson <rth@redhat.com>
4135 * Makefile.in (slibdir): New variable.
4136 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4137 (installdirs): Create slibdir.
4138 (install-libgcc, install-multilib): Defer to libgcc.mk.
4139 * configure.in (slibdir): Substitute.
4140 * mklibgcc.in (install): New target.
4142 * config/t-linux (SHLIB_LINK): Create links for the soname.
4143 (SHLIB_INSTALL): New.
4144 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4145 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4146 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4147 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4148 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4150 2001-01-07 Richard Henderson <rth@redhat.com>
4152 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4153 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4154 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4156 2001-01-07 Michael Hayes <mhayes@redhat.com>
4158 * loop.c (count_loop_regs_set): Delete.
4159 (load_mems_and_recount_loop_regs_set): Delete.
4160 (loop_regs_scan): Merge common code from count_loop_regs_set,
4161 scan_loop, and load_mems_and_recount_loop_regs_set.
4162 (scan_loop): Call load_mems directly and loop_regs_scan
4163 again if new registers created.
4165 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4167 * toplev.c (main): Call the front-end specific post_options
4168 hook if one is given.
4169 * toplev.h (struct_lang_hooks, lang_hooks): New.
4170 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4171 for the C front end.
4172 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4173 lang_hooks for the C++ front end.
4174 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4175 lang_hooks for the ObjC front end.
4176 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4177 * java/lang.c (lang_hooks): Hooks for the Java front end.
4179 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4181 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4182 for verbose DWARF[2] debugging.
4183 (cb_define, cb_undef): The new callbacks.
4184 * toplev.h (debug_define, debug_undef): Make const correct.
4185 * toplev.c (debug_define, debug_undef): Similarly. Do not
4186 perform the verbosity tests here anymore.
4188 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4190 * reload.c (subst_reloads): Take INSN argument. When
4191 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4192 * reload.h (subst_reloads): Adjust prototype.
4193 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4194 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4195 present in JUMP_INSNs and copy them to JUMP_LABEL.
4196 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4197 JUMP_INSNs and insns with REG_LABELs that are followed by
4198 JUMP_INSNs with the same REG_LABEL.
4199 * sched-rgn.c (is_cfg_nonregular): Likewise.
4200 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4202 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4204 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4206 2001-01-06 Richard Henderson <rth@redhat.com>
4208 * loop.c (scan_loop): Use xcalloc for the regs array.
4209 (load_mems_and_recount_loop_regs_set): Zero the new memory
4210 received from xrealloc.
4212 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4214 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4216 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4218 * integrate.c (copy_rtx_and_substitute): When copying
4219 an ignored return value, strip REG_FUNCTION_VALUE_P.
4221 2001-01-06 Michael Hayes <mhayes@redhat.com>
4223 * loop.c (debug_biv, debug_giv): New.
4224 (loop_biv_dump): Break out from ...
4225 (record_biv): ... here.
4226 (loop_giv_dump): Break out from ...
4227 (record_giv): ... here.
4228 (loop_bivs_check): Use print_simple_rtl.
4229 * unroll.c (loop_iterations): Use print_simple_rtl.
4231 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4233 * pa.md (return, return_internal): Modify patterns to prevent regrename
4234 mucking with the return pointer.
4236 2001-01-05 Richard Henderson <rth@redhat.com>
4238 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4240 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4242 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4243 version supplied by Matteo Frigo.
4245 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4247 * cpp.texi: Update for -MQ.
4248 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4249 (cpp_cleanup): Always free pfile->deps.
4250 (initialize_dependency_output): Don't create pfile->deps.
4251 (cpp_handle_option): Similarly.
4253 * gcc.c (cpp_options): Handle -MQ.
4254 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4255 * mkdeps.c (base_name): Remove.
4256 (deps_init): Don't allocate vector space until it's needed.
4257 (deps_free): Only free vectors if allocated.
4258 (deps_add_target, deps_add_dep): Update for initial allocation.
4259 (deps_add_default_target): Don't strip to the base_name.
4261 2001-01-05 DJ Delorie <dj@redhat.com>
4263 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4264 (INIT_EXPANDERS): Define.
4266 * config/v850/v850.c (struct machine_function): Define.
4267 (v850_save_machine_status): New function.
4268 (v850_restore_machine_status): New function.
4269 (v850_return_addr): New function.
4270 (v850_init_expanders): New function.
4272 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4273 and v850_init_expanders.
4275 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4277 * cpplib.h (struct cpp_reader): Add help_only field.
4278 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4279 (cpp_handle_option): Set pfile->help_only if we see -h,
4280 --help, -target-help, or --version. Print version string but
4281 do not set help_only if we see -v or -version. Make text
4282 printed by -v match that printed by (-)-version.
4284 * cppmain.c (main): Exit after option parsing if
4285 pfile->help_only is true.
4287 * toplev.c (independent_decode_option): Call print_version,
4288 then exit, if we see --version (but not -version).
4289 (print_version): Split lengthy message into two lines.
4291 2001-01-05 Nick Clifton <nickc@redhat.com>
4293 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4294 temporary string for initialisation before calling ggc_alloc_string.
4296 2001-01-06 Michael Hayes <mhayes@redhat.com>
4298 * rtl.h (print_simple_rtl): New.
4299 * print-rtl.c (print_simple_rtl): New.
4301 (print_rtx): Disable printing of flags and modes, etc.,
4302 if `flag_simple` nonzero.
4304 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4306 * function.c (fixup_var_refs): Use push_to_full_sequence where
4309 2001-01-05 Michael Meissner <meissner@redhat.com>
4311 * flags.h (flag_reorder_blocks): Add declaration.
4312 (flag_rename_block): Ditto.
4314 2001-01-05 DJ Delorie <dj@redhat.com>
4316 * function.c (reorder_blocks): Make sure the flags are all reset
4317 before using them to mark blocks, else a second invocation will
4318 corrupt the block chain.
4319 (reorder_blocks_0): New, resets the flags.
4321 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4323 * cse.c (find_comparison_args): Stop if the argument is known to
4326 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4328 * config/sh/sh.md (movdf): When splitting load into pair of
4329 registers, don't clobber the register used in the address too
4332 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4334 * varasm.c (mark_constant_pool): Improve initial comments.
4335 (mark_constants): Move marking of constants to mark_constant.
4336 (mark_constant): New function to recursively mark all constants
4337 referred to by a constant.
4339 2001-01-05 Catherine Moore <clm@redhat.com>
4341 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4343 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4345 * cp/lang-options.h: Bring comment in line with reality.
4346 * f/lang-options.h: Likewise.
4347 * java/lang-options.h: Likewise.
4348 * objc/lang-options.h: Likewise.
4349 * ch/lang-options.h: Likewise.
4350 * f/g77.texi: And update the manual.
4352 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4353 Denis Chertykov <denisc@overta.ru>
4355 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4356 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4357 * config/avr/avr.md (all peepholes that request a scratch register):
4358 Call it, FAIL the peephole if not safe (in interrupt functions).
4360 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4362 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4364 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4366 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4368 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4369 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4370 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4371 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4372 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4374 * extend.texi: Document these builtins.
4376 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4378 * c-common.c (lang_get_alias_set): Say we know nothing of
4379 VECTOR_TYPE aliasing.
4381 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4383 2001-01-05 Bruce Korb <bkorb@gnu.org>
4385 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4386 their x* equivalent versions for atexit-less systems
4387 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4388 systems (or any other system any more).
4390 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4392 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4393 output operands. Use arm_hard_register_operand for operand 4.
4394 (stmsi_postinc): Similarly.
4395 (ldmsi): Use arm_hard_register_operand for opernand 2.
4397 * arm.c (arm_hard_register_operand): New function.
4398 * arm-protos.h (arm_hard_register_operand): Prototype it.
4400 * arm.h (HARD_REGNO_RENAME_OK): Define.
4402 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4404 * simplify-rtx.c (cfc_args): add "unordered" field.
4405 (check_fold_consts): Set unordered field.
4406 (simplify_relational_operation): Simplify the unordered
4409 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4412 * emit-rtl.c (try_split): Fix code to mark labels.
4413 * jump.c (mark_jump_label): Make global.
4414 * rtl.h (mark_jump_label): Declare.
4416 * predict.c (estimate_probability): Handle unordred comparisons.
4418 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4420 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4421 * cppinit.c (initialize_dependency_output): Update.
4422 (cpp_finish): Output dummy targets for -MP.
4424 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4425 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4426 * gcc.c (cpp_options): Update to handle -MP.
4427 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4428 to quote only the default target.
4429 (deps_phony_targets): Insert a preceding newline. Rename from
4430 deps_dummy_targets for consistency.
4433 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4435 * calls.c (emit_library_call_value_1): Support
4436 INIT_CUMULATIVE_LIBCALL_ARGS.
4437 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4439 2001-01-04 Richard Henderson <rth@redhat.com>
4441 * c-decl.c (finish_struct): Detect flexible array members
4442 used in an inappropriate context.
4443 * c-typeck.c (really_start_incremental_init): Special case
4444 constructor_max_index for zero length arrays.
4445 (pop_init_level): Allow initialization of flexible array
4446 members. Deprecate initialization of zero length arrays.
4447 Don't issue missing initializer warning for flexible array
4448 members or zero length arrays.
4449 (process_init_element): Don't dereference null DECL_SIZE.
4450 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4451 Don't abort for empty constructors. Use size_binop
4452 (output_constructor): Add commentary regarding zero length
4453 array futures. Abort if we try to initialize an array of
4454 unspecified length with a non-empty constructor in the middle
4457 * extend.texi (Zero Length): Update and clarify documentation
4458 on static initialization.
4460 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4462 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4463 with more than 32767 words of local storage.
4465 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4467 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4468 for 'abs', 'labs', and 'fabs'.
4469 (c4x_expand_builtin): Likewise.
4470 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4472 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4474 * config/sh/sh.md (prget, prset): New insn types.
4475 (return delay slot): Dont' allow prset.
4476 (call, sfunc delay slot): Don't allow prget.
4477 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4478 for prset and prget.
4480 2001-01-05 Michael Hayes <mhayes@redhat.com>
4482 * loop.h (struct loop_reg): New.
4483 (struct loop_regs): Change to use array of `struct loop_reg'.
4484 * loop.c: Replace assortment of varrays with single regs array.
4485 (count_one_set): Delete may_not_move array argument
4486 and use regs array instead. All caller's changed.
4487 (count_loop_regs_set): Delete may_not_move and single_usage
4488 arguments and use regs array instead. All caller's changed.
4489 (find_single_use_in_loop): Replace usage array argument with pointer
4490 to regs structure. All caller's changed.
4491 (loop_optimize): Delete `moved_once' array.
4493 2001-01-05 Michael Hayes <mhayes@redhat.com>
4495 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4496 Use it instead of loop_info->has_call for scanning loop mems.
4497 (check_dbra_loop): Replace loop_info->has_call test with
4498 loop_info->has_nonconst_call.
4500 2000-01-04 Matthew Hiller <hiller@redhat.com>
4502 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4505 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4507 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4508 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4510 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4512 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4513 (flag_short_double, flag_short_wchar): Define.
4514 (c_common_nodes_and_builtins): Create many tree nodes shared
4515 between C and C++ here instead of in cp/decl.c and ...
4516 * c-decl.c (init_decl_processing): ... here.
4517 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4518 (flag_short_double, flag_short_wchar): Don't define.
4519 (record_builtin_type): New function.
4520 (build_void_list_node): New function.
4521 * c-common.h (flag_short_double, flag_short_wchar,
4522 record_builtin_type, build_void_list_node): Declare.
4524 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4526 * integrate.c (expand_inline_function): Don't put a virtual
4527 register into the reg map.
4529 * function.c (fixup_var_refs_1): If force_operand didn't put
4530 the address into the target, move it there.
4532 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4534 Special-case tree_decl/tree_list allocations.
4535 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4536 (OBJECT_SIZE): New macro.
4537 (NUM_EXTRA_ORDER): Likewise.
4538 (extra_order_size_table): New variable.
4539 (NUM_ORDERS): New macro.
4540 (objects_per_page_table): New variable.
4541 (object_size_table): New variable.
4542 (G.pages): Use NUM_ORDERS to bound the array.
4543 (G.page_tails): Likewise.
4544 (DIV_ROUND_UP): Remove.
4545 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4546 (alloc_page): Use OBJECT_SIZE.
4547 (size_lookup): Don't make it const.
4548 (ggc_alloc): Use OBJECT_SIZE.
4549 (ggc_set_mark): Likewise.
4550 (ggc_get_size): Likewise.
4551 (init_ggc): Set up the object_size_table, objects_per_page_table,
4552 and adjust size_lookup.
4553 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4554 (ggc_pop_context): Use NUM_ORDERS.
4555 (clear_marks): Likewise.
4556 (sweep_pages): Likewise.
4557 (poison_pages): Likewise.
4558 (ggc_print_statistics): Use OBJECT_SIZE.
4560 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4562 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4563 Only call array_size_for_constructor if last field and array type
4564 with no upper bound.
4566 2001-01-04 Philip Blundell <philb@gnu.org>
4568 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4569 from bit 31 downwards, if this requires no more insns.
4570 (count_insns_for_constant): New helper function for above.
4572 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4574 * gencodes.c (output_predicate_decls): Remove empty initializer.
4576 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4578 * tree.c (copy_node): Remove documentation about obstacks.
4579 (buidl1): Check that nobody tries to build 2-argument nodes this
4582 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4584 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4587 * gencodes.c (output_predicate_decls): Fill empty initializer
4590 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4592 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4593 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4595 (do_include): Handle missing headers like cpp0.
4596 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4597 paths with first include pathname. Don't strcat to uninitialized
4600 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4602 * regrename.c (regrename_optimize): Don't rename from frame pointer
4603 if frame_pointer_needed.
4604 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4605 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4606 (ia64_reorg): Use it instead of scheduling if ! optimize.
4607 (errata_emit_nops): Properly call asm_noperands.
4608 (ia64_sched_reorder): Finish cycle if we see an asm.
4609 (ia64_variable_issue): Clear scheduling state after asms.
4611 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4613 * cpp.texi: Update for -MT.
4614 * cppinit.c (initialize_dependency_output): Add a default
4615 target if none has been given already.
4616 (no_tgt, OPT_MT): New.
4617 (cpp_handle_option): Handle -MT. Update -M etc.
4618 * cpplib.h (struct cpp_options): Remove deps_target.
4619 * gcc.c (cpp_options): Handle -MT.
4620 * mkdeps.c (struct deps): Move from mkdeps.h.
4621 (deps_calc_target): Rename deps_add_default_target. Add a
4622 default target if none has been specified already.
4623 * mkdeps.h (struct deps): Move to mkdeps.c.
4624 (deps_calc_target): Rename deps_add_default_target.
4626 2000-01-03 Richard Henderson <rth@redhat.com>
4628 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4630 * c-typeck.c (push_init_level): Move checks for flexible array
4631 members and zero length arrays ...
4632 (pop_init_level): ... here. Silently discard empty initializations.
4634 * varasm.c (output_constructor): Update for sizeof change to
4637 * extend.texi (Zero Length): Clarify semantics.
4639 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4641 * configure.in (tm.h): Include isns-codes.h last.
4642 * configure: Rebuilt.
4644 2001-01-03 Richard Henderson <rth@redhat.com>
4646 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4647 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4649 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4651 * tradcpp.c (main): Make sure finclude() is called with a valid
4652 indepth value while handling -include.
4654 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4656 * gencodes.c (output_predicate_decls): New function.
4658 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4659 even if it is not the first time machmode.h is #included.
4660 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4661 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4662 * gcc.texi (Copyright): Added 2001.
4664 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4666 * c-common.c (c_common_lang_init): New function. Warn if format
4667 warning options which only have effects when used with -Wformat
4668 are used without -Wformat.
4669 * c-common.h (c_common_lang_init): Declare.
4670 * c-lang.c (lang_init): Call c_common_lang_init.
4671 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4673 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4675 * configure.in: Check for the mktemp command.
4676 * configure: Regenerate.
4677 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4678 $TEMP. Create temporary files with mktemp, if available at
4679 configure time; otherwise use set -C. Remove temporary files
4682 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4684 * configure.in: Require at least texinfo 4.0. Check for whether
4685 Pod::Man is sufficiently recent to regenerate GCC manpages.
4686 * configure: Regenerate.
4687 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4689 (GENERATED_MANPAGES): Define.
4690 (generated-manpages): New target. Depend on cpp.1 as well as
4692 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4693 configure to generated-manpages or empty) rather than on the
4694 manpages directly. Remove execute permission from installed
4695 gcov.1 as well as cpp.1.
4696 * cpp.1, gcov.1: Regenerate.
4698 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4700 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4701 tree_low_cst. Allow using cmpstrsi in more cases.
4703 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4705 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4708 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4710 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4711 * Makefile.in (HOST_CFLAGS): Mention build-make.
4713 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4715 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4718 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4720 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4723 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4726 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4727 reg_base_value and reg_known_value arrays.
4728 (init_alias_analysis): Add more cases to detect known values.
4729 * sched-deps.c (deps_may_trap_p): New function.
4730 (sched_analyze_2): Use it.
4732 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4734 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4735 don't discard an ASHIFTRT if we're shifting in a wider mode.
4737 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4739 * toplev.c (rest_of_compilation): Don't print basic block information
4740 when CFG isn't up to date.
4742 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4744 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4745 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4746 (UNALIGNED_SHORT_ASM_OP): Define.
4747 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4749 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4751 * fold-const.c (fold_convert): Fix typo.
4753 2001-01-02 Richard Henderson <rth@redhat.com>
4755 * c-common.h (ASM_INPUT_P): New.
4756 * c-parse.in (asm): Set it when needed.
4757 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4758 existance of an operand.
4760 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4762 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4763 (dwarf2out_frame_debug_expr): Likewise.
4764 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4766 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4768 * i386.c (ix86_split_to_parts): Return number of part required;
4770 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4772 (ix86_split_long_move): Use number of part returned
4773 by ix86_split_to_parts
4774 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4776 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4777 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4778 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4779 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4780 (ALIGN_MODE_128): Add TFmode.
4781 (IS_STACK_MODE): Likewise.
4782 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4783 (HARD_REGNO_OK): Support TFmodes.
4784 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4785 * i386.md (scheduler definitions): Use memory operand to determine
4786 fst/fld instructions; use mode attribute to determine real mode of
4788 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4789 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4791 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4793 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4795 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4797 * expr.c (store_constructor_field): Update ALIGN before calling
4800 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4802 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4805 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4807 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4810 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4812 * c-decl.c (start_function): Don't warn on third parameter to main.
4814 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4816 * tsystem.h: Define HAVE_DECL_GETOPT.
4818 2001-01-02 Philip Blundell <pb@futuretv.com>
4820 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4823 2001-01-02 Richard Henderson <rth@redhat.com>
4825 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4827 2001-01-02 Andreas Jaeger <aj@suse.de>
4829 * c-decl.c (c_decode_option): Remove support of
4832 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4833 (W_options): Add -Wmissing-noreturn here.
4835 * flow.c: Define lang_missing_noreturn_ok_p.
4836 (check_function_return_warnings): Use it.
4838 * c-common.h: Declare lang_missing_noreturn_ok_p.
4840 * c-lang.c (c_missing_noreturn_ok_p): New function.
4841 (lang_init): Set lang_missing_noreturn_ok_p.
4843 * invoke.texi (Warning Options): Document this.
4845 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4847 * extend.texi (C++ Extensions): New node for C++ attributes;
4848 describe init_priority and com_interface.
4849 * invoke.texi: Remove -finit-priority as it now has zero effect.
4850 * install.texi: Fix xref syntax.
4851 * md.texi: Likewise.
4853 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4855 * config.gcc (sparc64-wrs-vxworks*): New case.
4856 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4858 * config/sparc/sparc.c (sparc_override_options): Do support different
4859 pointer and architecture size.
4860 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4861 (POINTERS_EXTEND_UNSIGNED): Define.
4862 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4863 (FUNCTION_MODE): Define to be Pmode.
4864 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4866 * function.c (expand_function_end): Properly handle DECL_RESULT
4867 and copy when ptr_mode != Pmode.
4868 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4870 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4872 * c-common.c (c_common_nodes_and_builtins): Set prototype
4873 parameters for __builtin_fputs, __builtin_fputc and
4874 __builtin_fwrite. Don't declare plain fputc as a builtin.
4876 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4878 * loop.c (add_label_notes): Increment the label usage count when
4879 a note is added to an insn which refers to a CODE_LABEL.
4880 * gcse.c (add_label_notes): Likewise.
4882 2001-01-01 Andreas Jaeger <aj@suse.de>
4884 * loop.c (scan_loop): Use xmalloc to allocate movables.
4886 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4888 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4889 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4890 * reload1.c (REGISTER_MOVE_COST): Likewise.
4891 * regclass.c (REGISTER_MOVE_COST): Likewise.
4892 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4893 dimension. Adjust all users.
4894 (init_reg_sets_1): Iterate on all modes.
4895 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4896 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4897 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4898 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4899 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4900 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4901 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4902 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4903 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4904 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4905 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4906 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4907 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4908 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4909 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4910 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4911 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4912 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4913 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4914 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4915 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4916 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4917 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4918 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4919 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4920 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4921 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4923 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4925 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4926 arg VARIES_P. Call it with extra arg.
4927 (true_dependence): Likewise.
4928 * rtl.h (rtx_addr_can_trap_p): Declare.
4929 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4931 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4932 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4933 pic offset table register if it's zero. All callers changed.
4934 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4936 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4938 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4939 STRING_POOL_ADDRESS_P.
4941 * config/sparc/sparc.c (input_operand): Properly test for short op.
4943 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4944 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4945 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4946 * config/sparc/elf.h: No longer include sol2.h.
4947 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4948 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4950 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4952 2001-01-01 Michael Hayes <mhayes@redhat.com>
4954 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4955 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4956 (record_initial): Likewise.
4957 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4958 (remap_split_bivs): Likewise.
4960 2001-01-01 Michael Hayes <mhayes@redhat.com>
4962 * loop.c (loop_ivs_free): New function.
4963 (strength_reduce): Break out from...
4965 2001-01-01 Michael Hayes <mhayes@redhat.com>
4967 * loop.h (struct iv): New.
4968 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4969 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4970 'reg_biv_class' fields with 'regs' and 'n_regs'.
4971 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4972 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4973 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4975 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4977 * resource.c (mark_referenced_resources): Abort() before
4978 attempting to mark a pseudo register.
4979 (mark_set_resources): Likewise.
4981 2001-01-01 Michael Hayes <mhayes@redhat.com>
4983 * loop.h (REG_IV_CLASS): New accessor macro.
4984 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4985 * unroll.c (REG_IV_CLASS): Likewise.
4987 See ChangeLog.4 for earlier changes.
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