1 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3 * cpphash.h (struct cpp_reader): Add print_version field.
4 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5 just set print_version and other flags as appropriate.
6 (cpp_post_options): Print version here if print_version is set.
8 * toplev.c (exit_after_options): New flag.
9 (independent_decode_option): Don't exit here; just set
11 (main): Exit after calling lang_hooks.post_options if
12 exit_after_options is true.
14 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
15 (merge_include_chains): Adjust comment to match code.
17 2001-03-01 Zack Weinberg <zackw@stanford.edu>
19 * stringpool.c (set_identifier): New function.
20 * tree.h: Prototype it.
22 * c-parse.in: Kill D_YES. If compiled for objc, call
23 save_and_forget_protocol_qualifiers from init_reswords.
24 * objc/objc-act.c (remember_protocol_qualifiers,
25 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
26 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
28 (save_and_forget_protocol_qualifiers): New function.
29 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
31 2001-03-01 Diego Novillo <dnovillo@redhat.com>
33 * c-semantics.c (prune_unused_decls): Return error_mark_node
34 instead of (tree) 1 to stop traversing the tree chain.
36 2001-03-01 Bernd Schmidt <bernds@redhat.com>
38 Fix a problem introduced by Kenner's Feb 18 change.
39 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
40 flag_cse_skip_blocks only temporarily, not for ever.
42 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
44 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
45 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
47 * pa.c (emit_move_sequence): Verify operand0 is a hard register
48 before determining its register class.
50 2001-03-01 Bernd Schmidt <bernds@redhat.com>
52 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
53 from reg 4 if current_function_calls_setjmp.
54 (gen_nop_type): New function.
55 (ia64_emit_nops): New function.
56 (ia64_reorg): Call it.
57 (ia64_sched_reorder): Move code that rotates bundles up a bit.
59 * reload1.c (eliminate_regs_in_insn): Restrict the special case
60 code not to try to optimize adds with anything but a REG destination.
62 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
63 (INSN_PRIORITY_KNOWN): New accessor macro.
64 * haifa-sched.c (priority): Use it instead of testing priority against
67 2001-02-28 DJ Delorie <dj@redhat.com>
69 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
70 since that doesn't work the way gcc wants on a generic m68k.
72 2001-02-28 Richard Henderson <rth@redhat.com>
74 * caller-save.c (save_call_clobbered_regs): Fix typo in
75 comparison last change.
77 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
79 * i386.c (pentium4_cost): New.
81 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
82 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
83 x86_integer_DFmode_moves, x86_partial_reg_dependency,
84 x86_memory_mismatch_stall): Add Pentium4
85 (x86_use_q_reg, x86_use_any_reg): Kill.
86 (override_options): Add pentium4.
87 (incdec_operand): Return 0 for pentium4.
88 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
89 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
90 (TARGET_PENTIUM4): Define.
91 (enum processor_type): Add PROCESSOR_PENTIUM4.
92 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
93 * i386.md (attribute "cpu"): Add pentium4.
94 * invoke.texi (march): Add pentium4.
96 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
98 * i386.md (sse_mov?fcc*): New patterns and splitters.
99 * i386.c (ix86_expand_movcc): Work post-reload; recognize
100 the SSE based conditional moves.
102 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
104 * i386.md (attribute mode): Add "TI".
105 (movsf_1): Add pxor support; remove constant propagation splitter.
106 (movdf_integer): Likewise.
107 (movdf_nointeger): Likewise.
108 (movxf constant prop splitter): Handle all modes; update for SSE.
109 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
110 * i386.c (standard_80387_constant_p): Rewrite.
111 (standard_sse_constant_p): New.
112 * i386-protos.h (standard_sse_constant_p): New.
114 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
116 * i386.md (sse_setccsf, sse_setccdf): New.
117 (sse_cmp* patterns): Use '%D' instead of outputtting condition
119 * i386.c (sse_comparison_operator): Accept the supported unordered
120 comparses; be ready for fast_math.
121 (print_operand): Support 'D'.
123 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
125 * jump.c (reversed_comparison_code): Kill.
127 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
129 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
132 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
134 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
135 add missing '%' in constraints.
137 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
139 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
140 for HOST_BITS_PER_WIDE_INT == 32 too.
142 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
144 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
146 (insert_save, insert_restore): New parameter save_mode.
147 (init_caller_save): Update initialization of reg_save_code
148 and reg_restore_code.
149 (save_call_clobbered_regs): Compute save_modes and update calls to
150 reg_save_code and reg_restore_code.
151 (insert_restore): Unsignetize numbers; use save_modes to choose mode
152 of spill; update use of reg_restore_code.
153 (insert_save): Likewise.
154 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
155 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
156 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
158 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
160 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
161 noce_try_store_flag_inc, noce_try_store_flag_mask,
162 noce_try_cmove_arith):
163 Use reversed_comparison_code instead of reverse_comparison and
164 can_reverse_comparison_p.
166 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
168 * jump.c (reversed_comparison_code_parts): Allow reversal of
169 unordered compares in -ffast-math mode; reverse ordered compares
170 for FP even w/o -ffast-math.
172 2001-02-27 Richard Henderson <rth@redhat.com>
174 * print-rtl.c (print_rtx) [i]: Don't print field five on
175 NOTEs other than NOTE_INSN_DELETED_LABEL.
177 2001-02-27 Zack Weinberg <zackw@stanford.edu>
179 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
180 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
182 2001-02-27 Diego Novillo <dnovillo@redhat.com>
184 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
185 even if walk_subtrees is 0.
186 * c-semantics.c (prune_unused_decls): Return a non-null value to
187 stop traversing the tree chain.
189 2001-02-27 DJ Delorie <dj@redhat.com>
191 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
192 register, *then* define it as the new CFA.
194 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
196 * pa.c (override_options): Promote -fpic to -fPIC.
197 (legitimize_pic_address): Simplify due to removal of
198 small PIC as a code generation option.
199 (secondary_reload_class): Similarly.
200 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
201 (PRINT_OPERAND_ADDRESS): Similarly.
202 * pa.md (various patterns): Similarly.
203 (small pic lo_sum pattern): Remove.
205 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
208 * md.texi (min, max): Document
210 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
212 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
213 TARGET_PARTIAL_REG_DEPENDENCY.
214 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
216 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
218 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
220 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
222 * mips.c (mips_make_temp_file): Fix thinko in last change.
224 2001-02-26 Jason Eckhardt <jle@redhat.com>
226 * combine.c (known_cond): Do not reverse the condition when
227 SMAX/UMAX is being considered and the condition is for equality
230 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
232 2001-02-26 Philip Blundell <philb@gnu.org>
234 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
236 * config/arm/linux-elf.h: Remove historical relics related to
237 above configurations.
238 * config/arm/linux-oldld.h: Delete.
239 * config/arm/linux-elf26.h: Delete.
241 2001-02-26 Jason Merrill <jason@redhat.com>
243 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
245 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
246 recognize a tentative definition. Lose obsolete code.
248 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
249 variables unless necessary, either.
251 2001-02-25 Richard Henderson <rth@redhat.com>
253 * ifcvt.c (struct noce_if_info): Add test_bb.
254 (noce_get_alt_condition): New.
255 (noce_try_minmax, noce_try_abs): New.
256 (noce_operand_ok): New.
257 (noce_process_if_block): Use them.
258 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
260 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
262 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
265 2001-02-25 Zack Weinberg <zackw@stanford.edu>
267 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
268 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
270 (mips_asm_file_end): Free temp_filename here.
272 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
274 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
275 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
277 * config/i386/i386.md (movstrsi): Handle FAIL case.
279 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
281 * cppinit.c (builtin_array): Update.
282 (init_builtins): Flag builtins to warn if redefined or
283 undefined. Define __GXX_WEAK as a normal macro.
284 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
285 * cpplib.h (NODE_WARN): New flag.
286 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
287 Handle __STDC__ as a builtin only on Solaris.
288 (warn_of_redefinition): Renamed from check_macro_definition.
289 Reverse sense of test. Always warn if NODE_WARN.
290 (_cpp_create_definition): Use warn_of_redefinition. Flag
291 any macro beginning with "__STDC_" to require a mandatory
292 warning if redefined or undefined.
294 2001-02-24 Zack Weinberg <zackw@stanford.edu>
296 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
297 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
298 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
299 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
300 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
301 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
303 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
304 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
305 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
306 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
307 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
309 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
310 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
313 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
314 Delete now-empty file.
316 * alpha/vms.h: Define NEED_ATEXIT here...
317 * alpha/xm-vms.h: ...not here.
319 * i386/cygwin.h: Don't define PARAMS.
320 * mips/mips.c: Don't prototype mktemp. Don't define
321 P_tmpdir. Use make_temp_file to create temporary files.
322 Don't be clever and delete temporary files early.
323 * config.gcc: Drop references to deleted files. Don't define
325 * gcc.texi: Don't mention USE_PROTOTYPES.
327 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
329 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
330 (ix86_set_move_mem_attrs_1): Likewise.
331 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
332 * config/i386/i386.md (movstrsi): Call it.
334 2001-02-24 Zack Weinberg <zackw@stanford.edu>
336 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
337 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
338 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
339 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
341 (i750a-*-*): Error here if hosting on i750a.
342 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
344 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
345 Remove (empty modulo comments).
347 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
348 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
349 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
350 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
351 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
352 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
354 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
355 Remove reference to winnt.h in comment.
356 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
358 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
360 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
361 used to set another biv.
363 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
365 * tree.h (BLOCK_DEAD): New macro.
366 (struct tree_block): New flag, dead_flag.
367 * print-tree.c (print_node, case 'b'): Print missing fields.
368 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
369 * function.c (identify_blocks): Enable test for misplaced notes.
370 (all_blocks): Skip BLOCK_DEAD blocks.
371 * integrate.c (integrate_decl_tree): Likewise.
373 * errors.c (internal_error, trim_filename): New functions.
374 (fancy_abort): Call internal_error.
375 * errors.h (internal_error, trim_filename): New declarations.
377 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
379 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
381 (EXTRA_CONSTRAINT): Formatting changes.
383 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
385 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
387 2001-02-23 Per Bothner <per@bothner.com>
389 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
390 so they can be called from java/jvspec.c.
391 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
393 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
395 * i386.c (ix86_frame): New structure.
396 (ix86_compute_frame_size): Kill.
397 (ix86_compute_frame_layout): New.
398 (ix86_save_reg): New.
399 (ix86_can_use_return_insn_p): Use frame layout stuff.
400 (ix86_expand_prologue): Likewise.
401 (ix86_expand_epilogue): Likewise.
402 (ix86_initial_elimination_offset): Likewise.
403 (ix86_nsaved_regs): Use ix86_save_reg.
404 (ix86_emit_save_regs): Likewise.
406 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
408 * flow.c (find_sub_basic_blocks): New function.
409 (split_block): Be ready for basic block introduced by CODE_LABEL.
410 (commit_one_edge_insertion): Call find_sub_basic_block.
412 * flow.c (make_edges): Add edge from entry for blocks starting with
413 label having ALTERNATE_NAME
415 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
417 * function.c (epilogue_done): Be ready for first basic block not
418 containing PROLOGUE_END note.
419 (reposition_prologue_and_epilogue_notes): Avoid placing
420 PROLOGUE_END note between BASIC_BLOCK.
422 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
424 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
426 2001-02-21 DJ Delorie <dj@redhat.com>
428 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
429 check for current_function_has_nonlocal_goto from 1999-11-12.
431 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
433 * diagnostic.c (trim_filename): No longer static.
434 * toplev.h (trim_filename): Declare.
435 * rtl.c (rtl_check_failed_bounds): Call internal_error.
436 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
437 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
438 (rtvec_check_failed_bounds): Likewise.
439 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
441 * convert.c (convert_to_integer): Don't do unsigned unless result or
442 both inputs are unsigned.
444 * fold-const.c (fold_convert): Don't call size_int_type_wide if
447 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
449 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
451 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
453 * Makefile.in (resource.o): Add params.h dependence.
454 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
455 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
456 * resource.c: Add dependence on params.h.
457 (current_live_regs): Fix explanatory comment.
458 (find_basic_block): Add new parameter to permit limiting search
460 (mark_target_live_regs): Add new argument to find_basic_block call.
461 (incr_ticks_for_insn): Likewise.
463 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
465 * diagnostic.c (output_to_stream): Rename to
466 output_buffer_to_stream. Loses the stream parameter.
467 (init_output_buffer): Set diagnosic_buffer's stream.
468 (flush_diagnostic_buffer): Adjust.
469 (default_print_error_function): Likewise.
470 (finish_diagnostic): Likewise.
471 (verbatim): Likewise.
473 * diagnostic.h (struct output_buffer): Add `stream' field.
474 (output_buffer_attached_stream): New macro.
476 2001-02-23 Jakub Jelinek <jakub@redhat.com>
478 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
479 check if either operand is divisible by C.
480 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
481 If type is signed, consider negative numbers as well.
483 2001-02-22 Richard Henderson <rth@redhat.com>
485 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
486 reach .text instead of gp-relative relocs.
487 * config/ia64/crtend.asm (.init): Likewise.
489 2001-02-22 Andreas Jaeger <aj@suse.de>
491 * extend.texi (C++ Attributes): Fix typo.
493 2001-02-21 David Mosberger <davidm@hpl.hp.com>
495 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
496 functions, drop current_function_args_info.words test.
497 (ia64_compute_frame_size): Mark syscall_linkage functions as
498 using eight input registers.
500 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
501 Bruce Korb <bkorb@gnu.org>
503 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
504 * fixinc/README: Document how to convert sed substitutions
505 to format style c_fix-es.
506 * fixinc/fixincl.x: regen
508 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
510 * gcc.c: Add comment explaining how to add a command-line option.
511 Add title to specs language comment.
513 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
515 * gcc.c (cc1_options): Add "-param".
516 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
517 (option_map): Likewise.
518 * toplev.c (display_help): Add entry for "--param".
519 (independent_decode_option): Fix typographical error.
521 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
522 Bernd Schmidt <bernds@redhat.com>
523 Jan Hubicka <jh@suse.cz>
525 * i386.c (function_arg_advance): Pass SSE arguments in registers.
526 (function_arg): Likewise.
528 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
530 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
532 2001-02-21 Kazu Hirata <kazu@hxi.com>
534 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
538 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
540 * flow.c (init_propagate_block_info): Canon address and use single_set
541 for killing dead memory stores.
543 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
545 * Makefile.in (reorg.o): Add params.h dependence.
546 * params.def: Fix typographical error in comment.
547 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
548 * params.h: Modify introductory comment.
549 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
550 * reorg.c: Add dependence on params.h.
551 (redundant_insn): Add parameterized throttle for search.
552 (fill_simple_delay_slots): Add a comment explaining a variable.
553 Move conditional out of loop, simplifying code.
554 (fill_eager_delay_slots): Fix typographical error in comment.
556 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
558 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
560 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
561 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
563 2001-02-21 Jason Merrill <jason@redhat.com>
565 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
566 (struct tree_decl): Add uninlinable bitfield.
567 * c-decl.c (duplicate_decls): Set it.
568 * integrate.c (function_cannot_inline_p): Check it.
570 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
571 DW_AT_MIPS_linkage_name to abstract methods.
572 (dwarf2out_abstract_function): Emit class context before calling
573 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
574 (gen_subprogram_die): Remove obsolete code.
575 (gen_member_die): Don't include clones in the member list.
576 (gen_decl_die): Emit abstract info for clone origin.
577 * dwarfout.c (output_type): Don't include clones in the member list.
578 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
579 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
580 DECL_ABSTRACT on a function that already has it set.
582 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
583 (get_subprogram_die): Pass it in.
585 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
587 * flow.c (mark_set_1): Make not_dead unsigned long. For
588 non-pseudos, use it as a bitmask of the hard regs that
591 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
593 * cppfiles.c: Update comments.
594 (_cpp_read_file): Don't check for NULL filenames any more.
595 * cppinit.c (cpp_start_read): Don't do canonicalization of
596 in_fname and out_fname. Use the passed file name exclusively.
597 (_cpp_handle_options): Don't treat "-" as a command line option,
598 but as a normal filename.
599 (_cpp_post_options): Canonicalize in_fname and out_fname.
600 * cppmain.c (printer_init): Don't check out_fname for NULL.
601 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
602 (init_c_lex): Update, and use "" to represent stdin to CPP.
605 2001-02-20 Will Cohen <wcohen@redhat.com>
607 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
608 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
609 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
612 2001-02-20 Stan Shebs <shebs@apple.com>
614 * config/rs6000/rs6000.c (output_cbranch): Output branches
615 on separate lines instead of using ';' to separate.
617 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
619 * cppinit.c (set_lang): Move builtin handling to...
620 (init_builtins): ...here.
621 (_cpp_create_reader): Move call to set_lang.
623 2001-02-20 Mark Mitchell <mark@codesourcery.com>
625 * stmt.c (expand_return): If an attempt is made to return the
626 error_mar_node, treat the return like a return without a value.
628 2001-02-19 Zack Weinberg <zackw@stanford.edu>
630 * sibcall.c (skip_copy_to_return_value): Call
631 identify_call_return_value here, and return orig_insn if it
632 returns zero. Hardret and softret arguments now unnecessary.
633 (call_ends_block_p): Don't call identify_call_return_value here.
635 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
637 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
638 * ggc.h (ggc_mark_if_gcable): Delete prototype.
640 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
642 * pa.c (move_operand): Accept code to load the address of a
643 symbol out of the DLT as a valid move operand.
644 (print_operand, case 'A'): New to handle generating a DLT
645 reference for a LO_SUM expression.
646 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
647 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
649 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
651 * README, cpp.texi, gcc.texi, version.c: Update version number to
653 * cpp.1, gcov.1, gcc.1: Regenerate.
655 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
657 * cppfiles.c (stack_include_file): Generate dependencies
658 here, and manage include_count here too.
659 (PRINT_THIS_DEP): Delete.
660 (_cpp_execute_include): Do not generate dependencies here,
661 apart from the case of a missing header. Do not manage
663 (_cpp_read_file): Leave dependency generation to
666 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
668 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
669 target_cpu_default. Remove dead assignment to
672 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
674 * regclass.c (contains_reg_of_mode): Make global.
675 (init_reg_sets): Remove contains_reg_of_mode; take into account
676 CLASS_MAX_NREGS when looking for the proper mode.
677 (dump_regclass): Dump only classes considered for the pseudo.
678 (regclass): Use contains_reg_of_mode.
680 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
682 * gcc.c (do_spec_1): 'n' for printing notices.
683 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
685 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
687 * reg-stack.c (next_flags_user): Use current_block->end
688 (swap_rtx_condition): Look for next user if flags don't die;
689 give up on CALL_INSNs; use current_block->end.
691 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
693 * sibcall.c (call_ends_block_p): New function.
694 (optimize_sibling_and_tail_recursive_call): Use it.
696 2001-02-18 Kazu Hirata <kazu@hxi.com>
698 * config/h8300/h8300.md: Update copyright.
699 (andsi3): Do not output an extra newline character.
701 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
703 * toplev.c (note_deferral_of_defined_inlined_function): Argument
704 FNDECL may be unused.
706 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
707 follow jumps after first run.
708 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
709 it doesn't change any jumps.
711 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
713 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
714 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
715 (mostlyclean): Corresponding changes.
716 * rtlanal.c (hard-reg-set.h): Include.
717 (rtx_unstable_p): Do not treat the argument pointer specially
718 if it is not a fixed register.
719 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
721 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
723 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
724 against last real insn in basic block.
725 Rework to avoid gotos.
727 * Makefile.in (gcse.o): Now includes ggc.h.
728 * gcse.c: Include ggc.h.
729 (want_to_gcse_p): Verify expression can be in SET as valid insn.
730 (try_replace_reg): Remove warning of uninitialize variable.
731 (process_insert_insn): Call invalid_insn_p to validate insn.
732 * recog.c (insn_invalid_p): Now global.
733 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
734 * recog.h (insn_invalid_p): New declaration.
736 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
738 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
739 assignments from FP constants since 'Y' output code can't handle it.
740 (eligible_for_sibcall_delay): Likewise.
742 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
743 Call fancy_abort directly, passing args.
744 (print_rtl_and_abort): Now a macro, like fancy_abort.
746 * final.c (output_operand_lossage): Use internal_error, not error.
748 2001-02-18 Shane Nay <shane@agendacomputing.com>
750 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
751 structure shift insns.
753 2001-02-18 Mark Mitchell <mark@codesourcery.com>
755 * invoke.texi (-fsquangle): Remove documentation.
756 (-fname-mangling-version): Likewise.
758 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
760 * optabs.c (expand_abs): Remove reference to
761 HAVE_contitional_arithmetic.
762 * combine.c (simplify_set): Likewise.
764 2001-02-18 Richard Henderson <rth@redhat.com>
766 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
769 2001-02-18 Richard Henderson <rth@redhat.com>
771 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
773 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
775 * reload1.c (reload_cse_simplify_set): Fix typo.
777 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
779 * diagnostic.c (_fatal_insn): Decrement errorcount.
781 * invoke.texi (-I): Add note avoiding use for system header files.
783 * rtl.h (add_clobbers): Remove duplicate declaration.
784 * recog.h (added_clobbers_hard_reg_p): New declaration.
785 * genemit.c (struct clobber_pat): New field has_hard_reg.
786 (gen_insn): Record if added clobbers clobber hard reg.
787 (gen_split): Avoid unused warning if number of operands is 0.
788 (output_added_clobbers_hard_reg_p): New function.
791 2001-02-18 Alan Modra <alan@linuxcare.com.au>
793 * pa.c (hppa_expand_prologue): Simplify code storing return
794 pointer. For large (>=8k) frames with a post_store, adjust stack
795 pointer by 8k-64 first rather than by 64. When testing with
796 VAL_14_BITS_P, always use the actual value rather than the value
797 negated. Add blockage to prevent scheduling of spills before
798 stack frame has been created.
799 (hppa_expand_epilogue): Simplify code loading return pointer.
800 Allow a slightly larger range for merge_sp_adjust_with_load case.
801 When testing with VAL_14_BITS_P, always use the actual value.
803 * pa.c (pa_adjust_insn_length): Check that block move
804 pattern is a set before looking at operands.
806 2001-02-17 Mark Mitchell <mark@codesourcery.com>
808 * fold-const.c (fold_binary_op_with_conditional_arg): New
809 function, split out from ...
811 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
812 conditional arms that throw exceptions.
814 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
817 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
819 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
820 define HAVE_DECL_* to 1 to mask potential backup declarations.
821 * configure: Regenerated.
823 2001-02-17 Mark Mitchell <mark@codesourcery.com>
825 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
827 2001-02-17 Richard Henderson <rth@redhat.com>
829 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
830 when replacing a memory load with a register.
832 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
833 Jan Hubicka <jh@suse.cz>
835 * recog.c (validate_replace_src_1): New.
836 (validate_replace_src_data): Likewise.
837 (validate_replace_src): Use note_uses.
838 * rtl.h (note_uses): Declare.
839 * rtlanal.c (note_uses): New.
841 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
843 * reg-stack.c (stack_def): Make field reg unsigned.
844 (remove_regno_note): Unsignetize parameter.
846 2001-02-16 Jes Sorensen <jes@linuxcare.com>
848 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
849 shladd_operand() call.
851 2001-02-16 Bruce Korb <bkorb@gnu.org>
852 Rodney Brown <RodneyBrown@mynd.com>
854 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
855 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
857 * fixinc/fixincl.x: regen
859 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
861 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
863 (hash_scan_insn): Clean up calls to hash_scan_set.
864 (compute_kill_rd): REGNO now unsigned.
865 (try_replace_reg): Rework to use simplify_replace_rtx.
866 (cprop_jump, cprop_cc0_jump): Likewise.
867 (cprop_insn): Call find_reg_equal_equiv_note.
868 Reflect changes to cprop_jump and cprop_cc0_jump.
870 * recog.c (validate_replace_src): Replace in operands of
871 ZERO_EXTRACT in SET_DEST.
873 * cse.c (new_label_ref): New variable.
874 (insert): Set it instead of recorded_label_ref.
875 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
876 CODE_LABEL for this function, and not already in REG_LABEL note.
878 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
880 * resource.c (mark_referenced_resources): Fix typo in introductory
882 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
885 2001-02-16 Jason Merrill <jason@redhat.com>
887 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
889 (gen_subprogram_die): Don't abort on seeing a second definition if
890 the previous one was abstract. Don't replace an abstract instance
893 * dwarf2out.c (dwarf2out_abstract_function): Rename from
894 gen_abstract_function.
895 * dwarf2out.h: Declare it.
896 * toplev.c (note_outlining_of_inline_function): New fn.
897 * toplev.h: Declare it.
898 * integrate.c (output_inline_function): Call it.
899 * c-decl.c (duplicate_decls): Call it when redefining an extern
900 inline. Don't inline the new defn.
902 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
904 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
906 * .gdbinit: Rename to gdbinit.in.
907 * gdbinit.in: New file,
908 * configure.in: Generate .gdbinit from gdbinit.in.
909 * configure: Regenerated.
910 * Makefile.in (distclean): Always remove .gdbinit.
912 2001-02-16 Jakub Jelinek <jakub@redhat.com>
914 * objc/objc-act.c (start_class): Register implemented_classes with
917 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
919 * cppfiles.c (_cpp_make_system_header): Generate a file
922 2001-02-15 Jim Meyering <meyering@lucent.com>
924 * Makefile.in (install-common): Don't depend on installdirs here.
925 Instead, make each of the lang.install-common targets (e.g.,
926 c++.install-common in cp/Make-lang.in) depend on it.
927 (install-driver): Depend on installdirs.
929 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
931 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
933 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
936 2001-02-15 Mark Mitchell <mark@codesourcery.com>
938 * invoke.texi (--param): Document.
940 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
942 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
944 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
946 * i386.md (extendsfdf2_2): Fix constraints.
948 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
950 * i386.md (fop_df_3 splitter): Fix operand number.
952 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
954 * invoke.texi (-mreg-alloc): Nuke.
955 * i386.c (ix86_reg_alloc_order, regs_allocated,
956 order_regs_for_local_alloc): Nuke.
957 (override_options): Kill reg_alloc code.
958 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
959 (REG_ALLOC_ORDER): SSE goes before I387.
960 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
961 (ix86_reg_alloc_order): Likewise.
962 * i386-protos.h (ix86_reg_alloc_order): Kill.
964 2001-02-14 Richard Henderson <rth@redhat.com>
966 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
968 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
970 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
972 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
974 * i386-protos.h (ix86_memory_move_cost): Move offline.
975 * i386.c (ix86_register_move_cost): Compute properly cost of
976 SSE, MMX and i387 instructions.
977 (*_cost): Add costs of SSE/MMX moves.
978 (ix86_memory_move_cost): Move offline from ....; Likewise.
979 * i386.h (MEMORY_MOVE_COST): .... here;
980 (struct processor costs): Add new fields to represent costs
983 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
985 * regclass.c (init_reg_sets_1): Reinstall the optimization of
986 move_cost together with Matt Kraai's fix.
988 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
990 * Makefile.in (OBJS): Add params.o.
992 2001-02-14 Richard Henderson <rth@redhat.com>
993 DJ Delorie <dj@redhat.com>
995 * jump.c (jump_optimize_1): When we delete a conditional jump
996 preceeding a non-conditional jump to effectively the same place,
997 make sure that the combined jump skips any clobber insns between
1000 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1002 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1004 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1006 * Makefile.in (toplev.o): Depend on params.h.
1007 (intergate.o): Likewise.
1008 (params.o): New target.
1009 * flags.h (inline_max_insns): Remove.
1010 * integrate.c: Include params.h.
1011 Use MAX_INLINE_INSNS instead of inline_max_insns.
1012 * params.c: New file.
1013 * params.h: Likewise.
1014 * params.def: Likewise.
1015 * toplev.c: Include params.h.
1016 (lang_independent_params): New variable.
1017 (decode_f_option): Use the param machinery instead of setting
1019 (independent_decode_option): Handle "--param name=value".
1020 (main): Register language-independent parameters.
1022 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1024 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1026 2001-02-14 Richard Henderson <rth@redhat.com>
1028 * regclass.c (init_reg_sets_1): Revert last two changes.
1030 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1032 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1033 (variable_size): Call put_pending_size.
1034 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1035 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1036 sizes list, put newly created SAVE_EXPR there as well.
1038 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1040 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1041 (errata_find_address_regs): load_group has only 2 entries.
1042 (errata_emit_nops): Likewise. shladd is not problematic.
1043 Clear last_group if nop was emitted.
1044 (fixup_errata): load_group has only 2 entries.
1047 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1049 * c-lex.c (lex_number): Only warn traditionally for U suffix
1050 outside system macros.
1051 * cppexp.c (parse_number): Similarly.
1052 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1053 * cppmacro.c (struct cpp_macro): New member node.
1054 (parse_args): Only warn about missing rest args if not
1056 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1057 (cpp_sys_objmacro_p): New.
1058 (_cpp_create_definition): Store the node with the macro defn.
1059 Remember if the macro is defined in a system header.
1061 2001-02-13 DJ Delorie <dj@redhat.com>
1063 * configure.in (check_languages): determine languages to check
1064 * Makefile.in (check-c++): alias for check-g++
1065 (check-f77): alias for check-g77
1066 (CHECK_TARGETS): depend on configured languages
1068 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1070 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1071 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1072 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1073 (sqrtextendsfdf2): Disable for SSE2.
1075 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1077 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1078 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1079 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1080 (sqrtextendsfdf2): Disable for SSE2.
1082 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1084 * i386.md (movsfcc_1): Support integer cmove instruction.
1085 (movdfcc_1): Likewise; new splitter.
1087 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1089 * i386.c (output_fp_compare): Support SSE.
1090 (prepare_fp_compare_args): SSE comparisons always support memory.
1091 * i386.h (TARGET_CMOVE): SSE imply cmove.
1092 * i386.md (cmp?f2): Enable for SSE too.
1093 (cmpfp_i*): Support SSE.
1095 (cmpfp_i_sse_only): New.
1096 (s*, b* fp expanters): Enable for SSE too.
1097 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1100 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1102 * regclass.c (init_reg_sets_1): Silence warning.
1104 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1106 * i386.md (sqrt?f2): Change to expander.
1107 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1109 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1111 * rtlanal.c (find_reg_equal_equiv_note): New function.
1112 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1113 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1114 * rtl.h: Add declarations for above functions.
1116 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1118 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1120 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1121 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1122 * flow.c (mark_regs_live_at_end): Likewise.
1123 (calculate_global_regs_live): Likewise.
1124 * gcse.c (compute_hash_table): Likewise.
1125 (compute_kill_rd): Likewise.
1126 * resource.c (mark_target_live_regs): Likewise.
1127 * rtl.h (INVALID_REGNUM): New macro.
1129 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1131 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1133 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1135 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1138 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1140 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1142 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1143 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1144 (fop_sf_1_sse, fop_df_1_sse): New patterns
1145 (fop_*): Disable float_extend and float patterns for SSE compilation.
1146 * i386.c (output_387_binary_op): Support SSE.
1148 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1150 * i386.md (dummy_extendsfdf2): Support SSE2
1151 (extendsfdf2): Enable if 80387 or SSE2.
1152 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1153 and no MIX_I387_SSE2
1154 (extendsfdf2_1_sse_only): New pattern.
1155 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1157 (truncdfsf2_1): Support SSE.
1158 (truncdfsf2_2): Support SSE.
1159 (truncdfsf2_2_1_sse): New pattern.
1160 (fixtruncsfsi2): Always use SSE if available.
1161 (fix_truncsfsi_sse): New pattern.
1162 (fix_truncdfsi_sse): New pattern.
1163 (floatsis?f2): Support SSE.
1164 (floatsidf2_i387): New pattern.
1165 (floatsidf2_sse): Likewise.
1167 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1169 * configure.in: Use "have_gnat" variable, not "gnat".
1170 * configure: Regenerated.
1172 * config/sparc/sparc.c (function_value): Treat all non-record
1173 aggregate types like used to treat UNION_TYPE.
1175 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1177 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1178 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1180 (MASK_MIX_SSE_I387): New.
1181 (TARGET_SSE): SSE2 imply SSE.
1182 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1183 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1184 (enum reg_class): Add new classes.
1185 (REG_CLASS_NAMES): Likewise.
1186 (REG_CLASS_CONTENTS): Likewise.
1187 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1188 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1189 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1190 (CLASS_MAX_NREGS): Use new macros.
1191 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1192 * i386.md (pushsf, movsf): Support SSE.
1193 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1194 splitters to use ANY_FP_REGNO_P.
1195 (movdf_nointeger, movdf_integer): Likewise.
1197 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1199 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1200 (try_combine): Use it.
1202 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1204 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1205 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1206 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1207 (REGISTER_MOVE_COST): Likewise.
1208 * i386-protos.h (ix86_secondary_memory_needed,
1209 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1210 * i386.c (ix86_secondary_memory_needed,
1211 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1213 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1215 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1216 (HARD_REGNO_MODE_OK): Move offline to ....
1217 * i386.c (ix86_hard_regno_mode_ok) ... here;
1218 refuse all incorrect modes.
1219 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1221 2001-02-13 Richard Henderson <rth@redhat.com>
1223 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1224 entire operator; replicate that and match_dup the operands.
1225 (cmp_ccx_arith_op_set): Likewise.
1226 (cmp_cc_arith_op_not_set): Likewise.
1227 (cmp_ccx_arith_op_not_set): Likewise.
1229 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1231 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1233 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1235 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1236 (TARGET_NO_BITFIELD_WORD): New macro.
1237 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1238 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1240 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1242 * cselib.c: New file, from simplify-rtx.c.
1243 * simplify-rtx.c: Remove cselib parts.
1244 * Makefile.in: Add cselib.o.
1246 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1248 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1249 (setup_incoming_varargs): Remove warning.
1251 * config/rs6000/rs6000.c (validate_condition_mode): When
1252 flag_fast_math, allow floating-point conditionals to be reversed.
1253 (rs6000_generate_compare): When flag_fast_math, don't generate
1254 cror operations for FP conditionals.
1256 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1258 (ASM_SPEC): Likewise.
1259 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1260 (CC1_SPEC): Likewise.
1261 (LINK_TARGET_SPEC): Likewise.
1262 (CPP_ENDIAN_SPEC): Likewise.
1263 * Makefile.in (check-consistency): New target.
1265 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1267 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1268 "return type defaults" warning for functions with return type
1270 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1271 function declarations by default rather than only when pedantic.
1273 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1275 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1278 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1280 * extend.texi (Deprecated): Deprecate new initializer lists.
1282 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1284 * mkdeps.c (deps_add_default_target): Robustify. Add
1285 basename component only.
1286 * cpp.texi (-M): Describe how default target is generated.
1287 * invoke.texi (-M): Likewise.
1289 2001-02-12 Kazu Hirata <kazu@hxi.com>
1291 * toplev.c (push_float_handler): Remove.
1292 (pop_float_handler): Remove.
1293 * toplev.h: Remove prototypes for the above functions.
1295 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1297 * c-common.c (constant_fits_type_p): New function.
1298 (convert_and_check): Use it.
1300 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1302 * Makefile.in (GXX_ABI_FLAG): Don't define.
1303 * configure.in (--enable-new-gxx-abi): Remove option.
1304 * config.in: Regenerated.
1305 * configure: Likewise.
1307 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1309 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1311 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1312 regular basic block, and arrange for all edges into it to switch
1315 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1317 * Makefile.in (distclean): Do not remove .gdbinit.
1319 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1321 * Makefile.in (gcc.o): Fix typos.
1322 (protize.o): Likewise.
1323 (unprotoize.o): Likewise.
1325 2001-02-11 Richard Henderson <rth@redhat.com>
1327 * tree.c (build1): Check for null operand in last change.
1329 2001-02-11 Richard Henderson <rth@redhat.com>
1331 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1332 (fold): Don't assume a constant isn't foldable.
1333 * tree.c (build): Set TREE_CONSTANT for an expression with no
1334 side-effects and constant operands.
1337 2001-02-10 Richard Henderson <rth@redhat.com>
1339 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1341 2001-02-10 Anthony Green <green@redhat.com>
1343 * cpp.texi (Standard Predefined): Add documentation for
1346 * c-common.c (combine_strings): Improve warning message.
1348 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1350 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1352 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1354 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1356 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1359 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1361 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1364 2001-02-09 Nick Clifton <nickc@redhat.com>
1366 * config/arm/arm.md: Change output contraint on post inc
1367 load/store multiple patterns to be a read/write contraint.
1369 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1371 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1372 .o files when using the -M options.
1374 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1375 David Edelsohn <edelsohn@gnu.org>
1377 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1378 handle DImode constants. Use one TOC entry for SImode and smaller
1379 constants, aligned properly.
1381 2001-02-08 Jason Merrill <jason@redhat.com>
1383 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1384 about the SP adjustment for saving the static chain pointer.
1385 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1386 offset when setting a temporary CFA register.
1388 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1390 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1391 powerpc-*-chorusos* .
1392 * config/rs6000/chorus.h : New file.
1393 * config/i386/chorus.h : New file.
1394 * config/sparc/chorus.h : New file.
1395 * config/sparc/t-chorus-elf : New file.
1397 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1399 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1400 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1401 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1402 (__WCHAR_TYPE__): Correct macro name.
1404 2001-02-08 Richard Henderson <rth@redhat.com>
1406 * config/i386/i386.c (ix86_frame_pointer_required): New.
1407 (ix86_setup_frame_addresses): New.
1408 (struct machine_funciton): Add accesses_prev_frame.
1409 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1410 ix86_frame_pointer_required.
1411 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1412 (SETUP_FRAME_ADDRESSES): New.
1413 * config/i386/i386-protos.h: Update.
1414 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1415 from FRAME_POINTER_REQUIRED.
1416 * config/i386/svr3gas.h: Likewise.
1417 * config/i386/sysv3.h: Likewise.
1418 * config/i386/v3gas.h: Likewise.
1420 2001-02-08 Richard Henderson <rth@redhat.com>
1422 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1423 calculation of the number of integer registers required.
1424 (function_arg_record_value): Likewise.
1426 2001-02-08 Jason Merrill <jason@redhat.com>
1428 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1429 two. Print file and line with "confused" message.
1431 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1433 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1435 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1437 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1439 * final.c (cleanup_subreg_operands): The address of a MEM can
1442 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1445 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1447 * gcc.texi (Incompatibilities): Update documentation of
1448 preprocessing numbers.
1450 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1452 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1454 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1456 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1458 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1459 * gcc.c (struct compiler): Add cpp_spec field.
1460 (input_file_compiler): New variable.
1461 (do_spec_1): Allow a particular compiler to handle `%C'
1463 (main): Store the current compiler in input_file_compiler.
1464 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1466 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1468 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1469 * cppinit.c (cpp_create_reader): Initialize them.
1470 (append_include_chain): cxx_aware arg might be unused.
1471 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1472 keywords and give them their phase 7 meaning. Pedwarn about
1473 this unless '__bool_true_false_are_defined' is defined.
1475 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1477 * lcm.c (optimize_mode_switching): Emit mode_set before the
1478 JUMP_INSN of an abnormal edge.
1480 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1482 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1483 a scheduling barrier at the end.
1485 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1487 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1489 * config/sh/sh.md (reload_outsf): Removed.
1490 (movsf_ie): Introduce constraints for FPUL loads and stores.
1491 (reload_insf): Broaden the output constraint.
1493 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1495 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1496 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1498 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1500 * final.c: Revert my previous changes.
1501 * output.h: Make profile_label_no extern.
1502 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1503 for generating label.
1505 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1507 * config/i386/djgpp.h: Add comments about standard paths.
1508 (MD_EXEC_PREFIX): Undefine before defining.
1509 (MD_STARTFILE_PREFIX): New.
1511 2001-01-30 Bruce Korb <bkorb@gnu.org>
1513 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1514 (load_file): do not rely on load_file_data() to close file pointer
1515 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1516 fixinc/inclhack.def(irix_limits_const): add test_text
1518 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1520 * cppexp.c (parse_defined): Improve diagnostics for invalid
1523 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1525 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1527 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1529 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1530 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1531 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1532 (rs6000_output_symbol_ref): New function.
1533 (output_toc): Use VTABLE_NAME_P.
1535 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1537 * print-tree.c (print_node, case PARM_DECL):
1538 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1540 * stor-layout.c (reference_types_internal): New variable.
1541 (internal_reference_types): New function.
1542 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1543 * tree.h (internal_reference_types): New declaration.
1545 * cse.c (find_best_addr): Fix typo in computing cost.
1547 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1549 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1550 and this is the sum of a pointer and a constant, we know the result
1552 (num_sign_bit_copies, case PLUS): Likewise.
1553 * explow.c (convert_memory_address): Remove opposite SUBREG.
1554 * function.c (instantiate_new_reg): New function (from common code).
1555 (instantiate_virtual_regs_1): Call it.
1556 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1557 if pointers sign- or zero-extend.
1558 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1559 If pointers extend unsigned, use inside of SUBREG.
1560 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1562 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1564 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1565 subdir of gcc_gxx_include_dir.
1566 (gcc_gxx_target_include_dir): Remove.
1568 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1570 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1571 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1572 a high-level description.
1574 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1576 * final.c: Move the declaration of profile_label_no to ...
1577 * output.h: ... here.
1578 * function.c (expand_function_start): Call PROFILE_HOOK.
1579 * config/rs6000/aix.h: Define PROFILE_HOOK.
1580 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1581 * config/rs6000/rs6000.c (output_profile_hook): Define.
1582 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1583 output_profile_hook.
1584 tm.texi : Explain new macro PROFILE_HOOK.
1586 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1588 * extend.texi (Extended Asm): Do not say that semicolon is always
1589 a valid line-breaking character for GNU assemblers. Use
1590 newline-tab as the most commonly supported syntax. Use
1591 newline-tab rather than semicolon in multi-insn examples.
1593 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1595 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1597 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1598 David Edelsohn <edelsohn@gnu.org>
1600 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1601 code for AIX, even without flag_pic.
1603 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1605 * c-typeck.c (common_type): push and pop binding level around
1606 calling common_type on function parameters.
1608 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1610 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1612 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1614 * config/mips/mips.c (override_options): Fix typo in last change.
1615 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1616 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1618 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1620 * invoke.texi (-fdump-class-layout): Document.
1621 (-fdump-translation-unit): Use `=' as filename separator.
1623 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1625 * Makefile.in (s-mlib): Don't build multilibs if
1627 (DRIVER_DEFINES): Adjust accordingly.
1629 (protoize.o): Likewise.
1630 (unprotoize.o): Likewise.
1631 * configure.in: Recognize --enable-multilib.
1633 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1635 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1637 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1638 * configure.in: Remove --enable-libstdcxx_v3 support.
1639 * configure: Regenerated.
1641 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1643 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1644 Call abort instead of fatal.
1645 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1646 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1647 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1648 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1649 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1650 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1652 * diagnostic.h (set_internal_error_function): Renamed.
1653 * toplev.h (internal_error): Renamed from fatal.
1654 (pfatal_with_name): Deleted.
1655 (fatal_io_error): Now has printf-style arguments.
1656 * diagnostic.c (pfatal_with_name): Deleted.
1657 (fatal_io_error): Rework to have args in printf-style.
1658 (set_internal_error_function): Renamed from set_fatal_function.
1659 (internal_error): Renamed from fatal.
1660 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1661 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1662 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1663 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1664 * flow.c (verify_flow_info): Likewise.
1665 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1666 * config/mips/mips.c (save_restore_insns): Likewise.
1668 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1669 * flow.c (verify_flow_info): Likewise.
1670 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1671 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1672 (avr_normalize_condition): Likewise.
1673 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1674 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1675 (limit_reload_class, double_reg_to_memory): Likewise.
1676 (print_operand_address, emit_1600_code_shift): Likewise.
1677 (gen_tst_reg, gen_compare_reg): Likewise.
1678 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1679 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1681 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1683 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1684 * objc/objc-act.c (build_ivar_chain): Likewise.
1685 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1687 * graph.c (clean_graph_dump_file): Likewise.
1688 * profile.c (init_branch_prob): Likewise.
1689 * objc/objc-act.c (objc_init): Likewise.
1691 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1692 * config/avr/avr.c (avr_override_options): Likewise.
1693 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1694 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1695 * config/h8300/h8300.c (h8300_init_once): Likewise.
1696 * config/mips/mips.c (override_options): Likewise.
1697 * config/i386/i386.c (override_options): Likewise, rework.
1698 * config/m68k/m68k.c (override_options): Likewise.
1700 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1702 * config/mips/mips.c (print_operand): Likewise.
1703 * hash.c (hash_allocate): Don't check for failure returns from
1704 obstack functions that can't fail.
1705 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1706 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1707 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1708 (get_object_reference): Likewise.
1710 2001-02-04 Nick Clifton <nickc@redhat.com>
1712 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1713 StrongARM1110, 10TDMI, and 1020T.
1715 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1717 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1719 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1721 * config/sh/sh.md (movdf load split): Pass register number to
1722 FP_OR_XD_REGISTER_P.
1724 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1726 * cppinit.c (BC): New macro.
1727 (builtin_array): Add __GXX_WEAK__.
1728 * cpplib.h (builtin_type): Add BT_WEAK.
1729 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1730 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1731 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1733 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1735 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1737 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1739 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1740 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1742 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1744 * cpphash.h: Rename ALIGN _ALIGN.
1745 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1747 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1749 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1750 compilation environment.
1751 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1752 control over location of cygwin includes and libs.
1754 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1756 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1758 2001-02-02 lars brinkhoff <lars@nocrew.org>
1760 * md.texi (Standard Names): remove reference to spur.md.
1762 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1764 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1765 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1766 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1767 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1768 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1770 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1772 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1773 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1774 number before reload.
1775 (c4x_adjust_cost): Return zero before reload.
1776 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1777 split before reload.
1779 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1781 * c4x.c (c4x_hard_regno_rename_ok): New.
1782 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1783 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1785 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1787 * diagnostic.h: Add missing "extern" in all declarations.
1789 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1791 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1792 as for gcc_gxx_include_dir.
1794 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1796 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1798 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1800 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1801 label before alignment to be used as the braf base address.
1802 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1804 (casesi_jump_2): Require at least TARGET_SH2.
1806 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1807 truncation to 32-bit doubles on -m3e and -m4-single-only.
1809 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1811 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1812 the default when building a shared object.
1813 (init_spec): Use it.
1814 * testsuite/lib/g++.exp: Include the directory where libgcc
1815 is located to the LD_LIBRARY_PATH list.
1816 * invoke.texi (-shared-libgcc): Document the cases in which
1817 GCC defaults to using the shared libgcc.
1819 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1821 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1822 unsigned is wide enough.
1824 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1825 (si_to_float): Likewise.
1826 (float_to_si, float_to_usi): Use BITS_PER_SI.
1828 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1830 * dwarf2out.c: Added explanation of abbreviations.
1831 (def_cfa_1): Added comments listing DWARF2 instructions.
1832 (cfa_temp_reg): Removed in favor of cfa_temp.
1833 (cfa_temp_value): Removed in favor of cfa_temp.
1834 (cfa_temp): New global variable.
1835 (dwarf2out_frame_debug_expr): Added extensive introductory
1836 comments explaining the function's transformations. Revised to
1837 use cfa_temp. Added some rtx checking. Generalize IOR case.
1838 (dwarf2out_frame_debug): Revised to use cfa_temp.
1839 (output_aranges): Cast as "unsigned" to avoid warning.
1840 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1841 explain which instructions must be marked.
1843 2001-02-01 Richard Henderson <rth@redhat.com>
1845 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1848 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1850 * config/sh/crt1.asm (main_k): Modified so that start calls
1851 ___setup_argv_and_call_main.
1853 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1855 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1856 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1857 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1858 * cppmacro.c (builtin_macro): Set builtin flags here.
1859 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1860 (replace_args): Clarify intent.
1861 (cpp_get_token): Macro expansion tokens get the saved flags.
1863 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1866 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1868 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1871 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1873 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1874 returns Pmode pseudo, but we need ptr_mode.
1875 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1876 Remove bogus conversions; use HOST_WIDE_INT for size.
1877 Don't use TARGET if wrong mode.
1879 * config/i386/i386.c (ix86_compute_frame_size): Allow
1880 stack_alignment_needed to be non-default even if size is zero.
1882 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1884 * (hppa_init_pic_save): Emit the pic offset table
1885 reg save after last_parm_insn.
1886 * pa.c (hppa_init_pic_save): New function.
1887 * pa.h (hppa_init_pic_save): Declare.
1888 * pa.md (call, call_value, sibcall, sibcall_value): Use
1889 the above instead of duplicated code.
1891 * pa.c (hppa_encode_label): Correct size of alloca buffer
1892 so we don't overrun it. Correct leading `*' case.
1893 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1894 need to handle `*@'.
1895 (FUNCTION_NAME_P): Likewise.
1897 2001-01-31 Richard Henderson <rth@redhat.com>
1899 * config.gcc (alpha-osf5): Use float-i128.h.
1901 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1902 * config/float-i32.h: Likewise.
1903 * config/float-i64.h: Likewise.
1904 * config/float-sh.h: Likewise.
1905 * config/float-sparc.h: Likewise.
1907 2001-01-31 DJ Delorie <dj@redhat.com>
1909 * expmed.c (extract_bit_field): allow non-integral modes if we
1910 want to extract a whole register from itself.
1912 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1914 * c-typeck.c (set_init_index): If first is equal to last, assume as
1915 if it was not a range at all.
1917 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1919 * config/fp-bit.c: Include tm.h.
1920 (float_to_si): Don't assume SImode is 32-bits wide.
1921 (float_to_usi): Likewise.
1923 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1925 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1927 (typename): Call pending_xref_error after parsing typed_typespecs.
1928 * c-decl.c (lookup_tag): Give error immediately rather than
1929 leaving it pending if the tag of the wrong type is in the same
1931 (xref_tag): Don't pedwarn for forward declarations of enum types
1933 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1936 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1938 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1940 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1942 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1943 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1945 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1947 * cpphash.h (struct cpp_reader): New saved_flags.
1948 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1949 to avoid a paste after a pasted token.
1951 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1953 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1954 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1955 Wtype_MIN instead of LONG_MIN.
1957 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1959 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1961 * fixinc/fixincl.x: Regenerated.
1962 * fixinc/inclhack.def (irix_limits_const): New definition to
1963 convert "const" to "__const" in limits.h.
1965 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1967 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1969 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1971 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1972 when register dies in the insn.
1974 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1976 * diagnostic.c (fatal): Fix word wrap.
1978 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1980 * combine.c (try_combine): Fix SUBREG setting for
1981 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1983 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1985 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1988 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1990 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1992 * toplev.c (decode_W_option): Update warn_larger_than
1993 unconditionally for each processed switch.
1995 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1997 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1999 (hppa_expand_prologue): Delete code to save pic offset table register
2000 in the function prologue.
2001 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2002 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2003 table register at the beginning of the function after the prologue.
2005 2001-01-29 lars brinkhoff <lars@nocrew.org>
2007 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2009 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2010 Jeff Law <law@redhat.com>
2012 * pa.md (return): Revise comment for trivial return.
2013 (return_internal): Non-trivial return pattern for non-PIC code.
2014 (return_internal_pic): Non-trivial return pattern for PIC code.
2015 It uses the PIC register to ensure it is restored after
2017 (epilogue): Generate appropriate return for PIC and non-PIC code.
2019 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2021 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2023 2001-01-29 DJ Delorie <dj@redhat.com>
2025 * combine.c (if_then_else_cond): Pass the correct mode to
2026 operand_subword() for constants.
2028 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2030 * config/i386/cygwin.h: Add w32api to include search. Search different
2031 directories in a cross-build environment.
2033 2001-11-29 Tim Josling <tej@melbpc.org.au>
2035 * tree.h (TYPE_STUB_DECL): Add documentation.
2037 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2039 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2040 (sdbout_field_types): Likwise. Fix use of host_integerp.
2042 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2044 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2047 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2049 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2050 to use flag_gnu_linker.
2052 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2054 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2055 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2057 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2059 * tree.c, tree.h (build_parse_node): Remove; was identical to
2061 * c-lang.c (start_cdtor), objc/objc-act.c
2062 (build_module_descriptor): Use build_nt instead of
2065 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2067 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2068 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2069 not have any upper bits set.
2071 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2073 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2075 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2077 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2079 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2081 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2082 (integer_minus_one_node): Define.
2084 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2086 * Makefile.in (bootstrap2-lean): Fix typo.
2088 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2090 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2091 : Don't set fe_value.
2092 * cpplib.h (AVOID_LPASTE): New flag.
2093 (struct cpp_hashnode): Remove fe_value.
2094 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2095 * cppmacro.c (builtin_macro): Don't set flags here.
2096 (replace_args): Set AVOID_LPASTE flag on first token of an
2097 argument, and the token following it.
2098 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2099 macro expansion, and on the token following it. Do it for
2101 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2103 2001-01-27 Richard Henderson <rth@redhat.com>
2105 * config/alpha/t-ieee: Remove multilibbing.
2106 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2108 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2110 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2112 * Makefile.in: Remove all dependencies on defaults.h.
2113 * builtins.c: Don't include defaults.h.
2114 * c-common.c: Likewise.
2115 * c-decl.c: Likewise.
2116 * c-pragma.c: Likewise.
2117 * c-typeck.c: Likewise.
2118 * combine.c: Likewise.
2120 * frame-ia64.c: Likewise.
2121 * cppexp.c: Likewise.
2122 * crtstuff.c: Likewise.
2123 * dbxout.c: Likewise.
2124 * dwarf2out.c: Likewise.
2125 * dwarfout.c: Likewise.
2126 * emit-rtl.c: Likewise.
2127 * except.c: Likewise.
2129 * final.c: Likewise.
2130 * frame-dwarf2.c: Likewise.
2131 * libgcc2.c: Likewise.
2132 * optabs.c: Likewise.
2133 * profile.c: Likewise.
2134 * sdbout.c: Likewise.
2135 * toplev.c: Likewise.
2136 * tradcif.y: Likewise.
2138 * varasm.c: Likewise.
2140 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2142 * builtins.c (expand_builtin_fputs): Use size_one_node when
2143 transforming into fwrite.
2145 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2147 * extend.texi (Attribute Syntax): New section.
2149 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2151 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2152 they didn't need fixing.
2154 2001-01-27 Janis Johnson <janis@us.ibm.com>
2156 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2158 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2159 to remove macro definitions that are duplicated from elfos.h.
2161 2001-01-27 Richard Henderson <rth@redhat.com>
2163 * config/i386/sco5gas.h: Move ...
2164 * config/usegas.h: ... here.
2165 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2167 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2169 * c-typeck.c (struct constructor_stack): Add range_stack member.
2170 (really_start_incremental_init): Clear it.
2171 (push_init_level): Save constructor_range_stack and clear it if
2172 pushing explicit braces.
2173 (pop_init_level): abort if constructor_range_stack is non-zero at
2174 explicit closing brace. Restore saved constructor_range_stack if
2177 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2179 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2180 into register was forced into memory.
2182 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2184 * Makefile.in: Remove uses of + before $(MAKE).
2186 2001-01-26 Richard Henderson <rth@redhat.com>
2188 * stmt.c (cost_table): Remove.
2189 (COST_TABLE, cost_table_initialized): New.
2190 (estimate_case_costs): Use the later instead of the former.
2191 (balance_case_nodes): Likewise.
2193 2001-01-26 Richard Henderson <rth@redhat.com>
2195 * alias.c (objects_must_conflict_p): Read-only slots may not
2196 conflict despite having the same type.
2198 2001-01-27 Michael Hayes <mhayes@redhat.com>
2200 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2202 (check_ext_dependant_givs): Initialise u_start_val and
2204 (load_mems): Make last_max_reg unsigned.
2205 (try_swap_copy_prop): Use INSN_P and initialise set.
2207 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2209 * README.AVR : Removed.
2211 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2213 * pa-64.h (text_section): Remove declaration.
2215 * pa.md (return_internal): Remove mode on PIC register use.
2217 2001-01-25 lars brinkhoff <lars@nocrew.org>
2219 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2220 ASM_CLOSE_PAREN): fix typos.
2222 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2224 * acconfig.h: Define `const' to the empty string if neither
2225 __STDC__ nor __cplusplus is defined.
2226 * config.in: Regenerated.
2228 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2230 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2231 * collect2.c (main): Delete importf. Add ".obj" file extension.
2232 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2233 (aix_std_libs): Add additional AIX libraries to skip.
2234 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2235 * config/rs6000/aix51.h: New file.
2237 2001-01-25 Michael Hayes <mhayes@redhat.com>
2239 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2240 (loop_insn_emit_before): No longer static.
2241 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2242 (loop_givs_rescan, load_mems): Likewise.
2243 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2244 (maybe_eliminate_biv_1):
2245 (move_movables): Replace emit_call_insn_before with
2246 loop_call_insn_hoist.
2247 * loop.h (loop_insn_emit_before): Add.
2248 * unroll.c (copy_loop_body): Replace emit_insn_before with
2249 loop_insn_emit_before.
2251 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2253 * diagnostic.c (fatal): Request preprocessed source.
2255 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2257 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2258 olddecl has argument types and newdecl has none, use the argument
2261 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2263 * dwarf2out.c (prefix_of): New function. Determine longest common
2264 prefix of the two arguments. The units are whole path components.
2265 (output_file_names): When adding a new directory find the one entry
2266 with the longest common prefix already in the list. Artificially
2267 generate entry if there is none for this prefix.
2268 Fix test to check whether the zeroth directory entry is used.
2270 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2272 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2273 Changed all callers. Take it into account when deciding if a
2274 previously loaded value matches.
2276 2001-01-24 Richard Henderson <rth@redhat.com>
2278 * reload.c (find_reloads_subreg_address): Fail the substitution
2279 if the resulting address is insufficiently aligned.
2281 2001-01-24 DJ Delorie <dj@redhat.com>
2283 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2284 check the original operand's mode also.
2285 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2287 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2289 * c-parse.in (cast_expr): Move compound literals from here ...
2290 (primary): ... to here. Use standard terminology "compound
2291 literal" instead of "constructor expression".
2293 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2295 * gcc.1, cpp.1: Regenerate.
2297 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2299 * calls.c (emit_library_call_value_1): Memory slot for
2300 pass-by-reference argument should have the mode of the argument,
2301 not of the pointer to it.
2303 2001-01-24 Tom Tromey <tromey@redhat.com>
2305 * gcc.texi (G++ and GCC): Mention gcj manual.
2306 (Standards): Link to section of manual mentioning gcj/Java
2309 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2311 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2312 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2313 * tradcpp.c (main): Add -imacros or -include'd dependencies
2315 * cpp.texi (-M, -MM): Document -M -include behaviour.
2317 2001-01-24 Roger Collins <roger@ProProject.com>
2319 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2321 2001-01-24 Will Cohen <wcohen@redhat.com>
2323 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2324 whether registers are 32 bits or 64 bits in size.
2326 2001-01-24 Ben Elliston <bje@redhat.com>
2328 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2330 2001-01-24 Richard Henderson <rth@redhat.com>
2332 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2333 (builtin_longjmp): Use it instead of emit_indirect_jump.
2335 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2337 * bb-reorder.c (make_reorder_chain_1): Handle case where
2338 jump edge goes to the same block as the fallthru edge.
2340 2001-01-23 Jim Wilson <wilson@redhat.com>
2342 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2343 * frame.h (__ia64_personality_v1): Add prototype.
2344 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2345 prototype form. Add void * cast to first argument to personality
2347 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2348 (asctoe113): Likewise.
2349 * config/ia64/frame-ia64.c: Include eh-common.h.
2350 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2352 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2354 (itanium_split_issue): Add prototype.
2355 (gen_nop_type): Ifdef out.
2356 (find_best_packet): Initialize best_packet.
2357 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2359 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2360 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2361 (flushrs): Add explicit stop bit at end.
2362 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2365 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2367 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2369 * libgcc2.c (__terminate_func): Make variable static.
2370 (__terminate_set_func): New function to set __terminate_func.
2371 * libgcc2.h (__terminate_func_ptr): New typedef.
2372 (__terminate_set_func): New function.
2374 2001-01-23 Richard Henderson <rth@redhat.com>
2376 * flow.c (init_propagate_block_info): Don't consider unchanging
2377 memories for dead frame store elimination.
2379 2001-01-23 Richard Henderson <rth@redhat.com>
2381 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2382 * defaults.h: ... here.
2384 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2386 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2388 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2390 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2392 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2394 * rs6000.h (rs6000_return_addr): Move prototype from here...
2395 * rs6000-protos.h (rs6000_return_addr): ...to here.
2396 (rs6000_init_expanders): Delete prototype.
2398 2001-01-23 Nick Clifton <nickc@redhat.com>
2400 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2401 (Spec Files): Document %B and %j and %. and %v3 and %M and
2402 %{S*&T} spec switches.
2404 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2406 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2408 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2409 Neil Booth <neil@daikokuya.demon.co.uk>
2411 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2412 Have -Werror make pedantic warnings errors, like the
2415 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2417 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2419 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2421 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2422 * integrate.c (expand_inline_function): Initialize them.
2423 (subst_constants): If changing COMPARE so that both its arguments
2424 will be VOIDmode and the comparison mode will be lost, note
2425 compare_mode. Use the recorded compare_mode to optimize
2428 2001-01-23 Jason Merrill <jason@redhat.com>
2430 * dwarf2out.c (new_die): Use xcalloc.
2431 (output_die): Abort rather than emit a local reference to offset 0.
2433 2001-01-17 Andrew Haley <aph@redhat.com>
2435 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2436 of a saved register; return NULL instead.
2437 (copy_reg): Take a pointer to a source register rather than a
2439 (next_stack_level): Remember the address in the stack frame of all
2441 Use the saved register pointer array as the source of the CFA.
2442 (throw_helper): Rewrite. Unwind once rather than twice and keep
2443 track of saved registers as we go.
2445 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2447 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2448 * c4x.c (c4x_legitimize_reload_address): Remove.
2449 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2450 reload address for ldp(k) insn.
2452 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2454 * pa.md (return_internal): Add a USE of the PIC register to ensure
2455 it is restored after each call.
2456 (return expander): Corresponding changes.
2458 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2460 * rs6000.h (INIT_EXPANDERS): Delete.
2461 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2462 * rs6000.c (rs6000_override_options): Call *_machine_status from
2464 (rs6000_init_expanders): ...instead of here. Delete.
2465 (rs6000_mark_machine_status): New function.
2466 (rs6000_init_machine_status): Use xcalloc.
2467 (rs6000_return_addr): Generate RTX for the return address.
2468 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2469 (rs6000_stack_info): Use it.
2471 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2473 * gthr-win32.h: Include errno.h to get a declaration for
2474 EINVAL and _mingw.h if the target is mingw32.
2476 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2478 * cpp.texi: Correct typos.
2480 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2482 * explow.c (probe_stack_range): Ensure value passed to
2483 stack_check_libfunc is ptr_mode, not Pmode.
2485 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2487 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2488 case, don't use operand_subword to calculate a SUBREG that is
2491 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2493 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2495 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2496 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2497 valid. If not replace it by equivalent insns.
2499 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2501 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2502 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2503 (c4x_U_constraint, symbolic_address_operand): Likewise.
2504 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2506 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2507 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2508 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2509 anulling slot because of silicon bug.
2510 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2512 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2514 * cppexp.c (parse_charconst): Change `mask' type to agree
2517 2001-01-21 Richard Henderson <rth@redhat.com>
2519 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2520 pic_label_name in a linkonce section.
2522 2001-01-17 Philipp Thomas <pthomas@suse.de>
2524 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2526 * configure: Regenerate.
2528 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2530 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2531 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2533 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2535 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2536 If REVERSE nonzero then condition code in X must be reversed.
2537 (encode_section_info): Optimise if/else.
2538 (avr_function_value): Fix formatting.
2540 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2541 (difficult_branch): Likewise.
2542 (rvbranch): Likewise.
2543 (difficult_rvbranch): Likewise.
2545 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2547 * config/avr/libgcc.S: Fix comment.
2549 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2551 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2553 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2555 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2557 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2559 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2560 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2561 * configure, config.in: Regenerate.
2562 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2563 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2564 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2565 (doprint.o): New rule.
2567 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2569 * c-typeck.c (digest_init): Handle boolean types as scalars.
2571 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2573 * stmt.c (expand_return): Don't return anything if size is zero.
2574 Delete redundant assignment to BYTES.
2575 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2577 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2579 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2580 the same as the default library function names.
2581 * config/avr/avr.md: Document special characters after '%'.
2582 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2583 knowing which of the call-used registers are really clobbered.
2584 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2585 New. Both quotient and remainder from one libgcc.S call.
2586 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2587 clobber as few registers as possible.
2588 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2590 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2592 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2593 context of the top of the stack.
2595 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2597 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2598 (fixup_var_refs_insns): ...here.
2600 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2602 * function.c (fixup_var_refs_insns): Break up into
2603 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2604 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2605 [loop over hash table entries].
2606 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2607 fixup_var_refs_insns_with_hash, to match above changes.
2609 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2611 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2612 (libgcc.a): Likewise.
2613 (stmp-multilib): Likewise.
2614 (STAGE2_FLAGS_TO_PASS): Likewise.
2616 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2618 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2619 temporary if no_new_pseudos.
2621 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2623 * cppinternals.texi: Update.
2625 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2627 * arm.c (arm_init_builtins): Re-enable builtins.
2629 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2631 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2632 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2633 element to be null, and always expect an EXPR_LIST.
2634 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2635 * sched-deps.c (sched_analyze_1): Likewise.
2636 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2638 * regclass.c (max_set_parallel): New variable.
2639 (reg_scan): Take it into account in computation of max_parallel.
2640 (reg_scan_mark_refs, case SET): Compute it.
2642 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2644 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2645 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2647 2001-01-19 Jason Merrill <jason@redhat.com>
2649 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2650 for the abstract instance of an inline function.
2652 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2653 J"orn Rennecke <amylaar@redhat.com>
2655 * reload1.c (move2add_note_store): Treat all registers directly or
2656 indirectly derived from a base register as members of the same set
2658 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2659 of base register into account.
2661 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2663 * alias.c (find_base_value): Recognize TRUNCATE.
2664 (record_set): In PLUS case, invalidate if other summand is also a
2667 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2669 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2670 entry to be EXPR_LIST.
2671 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2672 be an EXPR_LIST (but not null, which other code doesn't allow).
2673 (note_stores): Properly handle PARALLEL in SET.
2674 Recursively call for top-level PARALLEL.
2675 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2676 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2678 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2680 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2682 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2683 not pfile->skipping (== 0).
2685 2001-01-17 Nick Clifton <nickc@redhat.com>
2687 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2690 2001-01-17 Jim Wilson <wilson@redhat.com>
2692 * invoke.texi (IA-64 options): Improve.
2694 2001-01-17 Tom Tromey <tromey@redhat.com>
2696 * invoke.texi (Optimize Options): Use `{}' to around @samp
2699 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2701 * invoke.texi (-fno-guess-branch-probability): New option.
2703 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2705 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2706 case of making new double-word constant.
2707 Revert last change: instead just test i3_subst_into_i2.
2709 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2711 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2712 Use q constraints instead of r.
2714 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2716 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2717 (machine_function): Define.
2718 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2719 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2720 pa_free_machine_status): New functions.
2721 (override_options): Set {init,mark,free}_machine_status to above.
2722 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2723 PIC_OFFSET_TABLE_REGNUM_SAVED.
2724 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2725 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2726 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2727 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2728 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2730 2001-01-15 DJ Delorie <dj@redhat.com>
2732 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2736 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2738 * flow.c (propagate_on_insn): Make trying to delete a prologue
2739 or epilogue insn an ICE, not a warning. Allow doing this if
2740 the current function returns with stack pointer depressed.
2742 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2743 I3 having more than one SET.
2745 2001-01-16 Jim Wilson <wilson@redhat.com>
2747 * invoke.texi: Document IA-64 options.
2749 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2750 (fixup_errata): Delete TARGET_A_STEP use.
2751 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2752 (TARGET_SWITCHES): Delete -ma-step option.
2753 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2754 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2755 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2756 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2757 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2758 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2760 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2761 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2762 cmovsi_internal): Delete ! TARGET_A_STEP check.
2764 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2766 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2767 possibility to report bugs via postal mail. Change a URL and
2768 merge in a nearly duplicate statement...
2769 (Bug Reporting): ...from here.
2770 (Service): Refer to the Bug Reporting section instead of
2772 (Contributing): Remove trivial explanations concerning snapshots.
2774 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2776 * cppmain.c (general_init): Don't use ANSI prototype.
2778 2001-01-16 Tom Tromey <tromey@redhat.com>
2780 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2782 2001-01-16 Richard Henderson <rth@redhat.com>
2784 * config/i386/i386.h: Fix comment typo.
2785 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2786 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2788 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2790 * gcc.c: Revert previous -fsyntax-only-related change; move
2793 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2795 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2796 inmode after checking GET_CODE (op).
2798 2001-01-16 Richard Henderson <rth@redhat.com>
2800 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2801 (MAX_MEM_SET_LIST_LEN): New.
2802 (propagate_one_insn): Update mem_set_list_len.
2803 (invalidate_mems_from_autoinc): Likewise.
2804 (invalidate_mems_from_set): Likewise.
2805 (mark_used_regs): Likewise.
2806 (init_propagate_block_info): Likewise. Stop collecting memories
2807 when we reach MAX_MEM_SET_LIST_LEN.
2808 (mark_set_1): Likewise.
2810 2001-01-16 Richard Henderson <rth@redhat.com>
2812 * unroll.c (precondition_loop_p): Fail if no iteration
2815 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2817 * gcc.c: When -fsyntax-only is given, do not complain about
2820 2001-01-15 Richard Henderson <rth@redhat.com>
2822 * config/i386/i386.c (asm_output_function_prefix): Remove.
2823 (ix86_asm_file_end): New.
2824 (load_pic_register): Generate pic_label_name into a
2825 staticly allocated buffer.
2826 * config/i386/i386-protos.h: Update.
2827 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2828 (ASM_FILE_END): New.
2829 * config/i386/i386afe.h: New file.
2830 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2831 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2832 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2833 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2834 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2835 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2836 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2838 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2840 * Makefile.in (install-man): Remove explicit dependency on
2843 * configure.in, configure: Revert previous patch requiring perl
2846 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2848 * toplev.c (flag_guess_branch_prob): New.
2849 (f_options): Add guess-branch-probability option.
2850 (rest_of_decl_compilation): Only estimate branch probability if
2852 (main): set flag_guess_branch_prob.
2854 * flags.h (flag_guess_branch_prob): New.
2856 2001-01-15 DJ Delorie <dj@redhat.com>
2858 * gcc.texi (Makefile): Add documentation for Makefile targets.
2860 2001-01-15 Philip Blundell <philb@gnu.org>
2862 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2864 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2865 (is_pic): Delete declaration.
2866 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2867 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2868 * config/arm/arm.md (builtin_setjmp_receiver): New.
2870 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2872 * arm.c (use_return_insn): Don't try to determine the function type
2873 until after reload has completed.
2874 (arm_output_epilogue): Don't adjust the sp value recovered from the
2876 (emit_multi_reg_push): Don't record dwarf information for the pc.
2877 * arm.md (eh_epilogue): The function type may have changed, so it
2878 needs to be recalculated.
2879 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2880 unwind tables on arm/netbsd.
2882 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2884 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2885 (negated_cbranchsi4): Likewise.
2887 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2889 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2890 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2891 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2892 pass -mapcs-* options to assembler.
2893 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2894 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2895 (ASM_SPEC): Call subtarget_extra_asm_spec.
2897 2001-01-15 Andreas Jaeger <aj@suse.de>
2899 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2901 (ix86_expand_builtin): Likewise.
2903 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2904 warning about comparison between signed and unsigned.
2906 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2908 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2910 2001-01-14 Ralf Baechle <ralf@gnu.org>
2912 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2913 SUBTARGET_CPP_SPEC apropriatly.
2915 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2917 * varasm.c (make_decl_rtl): Fix typo in last change.
2919 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2921 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2922 linker supports the init_priority C++ attribute.
2923 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2924 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2925 linker does not support init_priority C++ attribute.
2927 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2929 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2931 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2933 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2934 * cp/lex.c (finish_parse): Similarly.
2935 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2936 Return the number of errors encountered.
2937 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2938 * cppmain.c (main): Don't call cpp_destroy.
2940 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2942 * configure.in: Require at least perl 5.6.0 to regenerate
2944 * configure: Regenerate.
2946 2001-01-14 Richard Henderson <rth@redhat.com>
2948 * genrecog.c (DT_veclen_ge): New.
2949 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2950 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2951 (nodes_identical_1): Handle DT_veclen_ge.
2952 (write_cond, debug_decision_2): Likewise.
2954 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2956 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2958 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2960 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2962 * cppmain.c (do_preprocessing): New function; most of the old
2964 (main): Call it to do most of the work.
2965 (cb): Move from global scope to set_callbacks ().
2966 (setup_callbacks): Get the callback pointer.
2967 (general_init, printer_init): Clean up code and comments.
2969 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2971 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2974 2001-01-14 Kazu Hirata <kazu@hxi.com>
2976 * config/h8300/h8300.c (get_shift_alg): Update comments.
2978 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2980 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2981 (alloc_page, ggc_alloc): Add casts to remove warnings.
2983 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2985 * combine.c (simplify_comparison): Don't change `code' when
2986 can't reverse comparison.
2988 2001-01-14 Richard Henderson <rth@redhat.com>
2990 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2991 update all call sites. Return true for all non-label constants.
2993 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2995 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2997 (ix86_expand_branch): Update.
2998 (ix86_expand_setcc): Update to handle multiple test conditions.
2999 (expand_int_movcc): Likewise.
3000 (expand_fp_movcc): Likewise.
3001 * i386-protos.h (ix86_expand_compare): New.
3002 * i386.md (andqi_?_slp, orqi_?_slp): New.
3003 (conditional trap expander): Update call to ix86_expand_compare.
3005 2001-01-14 Richard Henderson <rth@redhat.com>
3007 * config/vax/vax.md: Use nonimmediate_operand instead of
3008 general_operand in destinations.
3010 * config/vax/vax.md (indirect_jump): Use register_operand.
3012 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3013 * config/vax/vax.md (call_pop): Turn into an expander.
3014 (call_value_pop): Likewise.
3015 (call, call_value): New.
3017 2001-01-14 Andreas Jaeger <aj@suse.de>
3019 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3021 (ix86_fp_compare_mode): Add unused attribute.
3022 (ix86_expand_fp_movcc): Remove unused variable.
3023 (ix86_expand_builtin): Make fcode unsigned.
3025 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3026 (expand_expr): Add cast to avoid signed warning.
3027 (store_field): Likewise.
3028 (store_constructor_field): Likewise.
3029 (store_constructor): Likewise.
3030 (store_expr): Likewise.
3031 (clear_storage): Likewise.
3032 (emit_group_store): Likewise.
3033 (emit_group_load): Likewise.
3035 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3037 * c-common.c: Move format checking code to ...
3038 * c-format.c: ... here. New file. Reorder some functions and
3040 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3042 * c-common.h (decl_handle_format_attribute,
3043 decl_handle_format_arg_attribute): Declare.
3044 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3045 (c-common.o): Adjust dependencies.
3046 (c-format.o): New list of dependencies.
3048 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3050 * unroll.c (loop_iterations): If we cannot prove iteration variable
3051 is set once in each iteration, punt.
3053 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3055 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3056 (*strlenhi): Remove clobber (which was buggy) of output address.
3058 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3060 * Makefile.in (generated-manpages): Add gcc.1
3061 ($(srcdir)/gcc.1): New target.
3062 (maintainer-clean): Delete $(srcdir)/gcc.1.
3063 * gcc.texi: Add macros @gccoptlist and @gol.
3064 * invoke.texi: Include option summary in manpage. Mark up option
3065 summary with @gccoptlist and @gol. Use @r in one place where
3067 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3068 * gcc.1: Generate from invoke.texi.
3070 2001-01-13 Richard Henderson <rth@redhat.com>
3072 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3073 (struct page_entry): Add group member.
3074 (struct page_group): New.
3075 (struct globals): Add page_groups member.
3076 (alloc_anon): Only define for using mmap; remove valloc call.
3077 (page_group_index): New.
3078 (set_page_group_in_use): New.
3079 (clear_page_group_in_use): New.
3080 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3081 (free_page, release_pages): Likewise.
3082 * configure.in (with-gc): Default to ggc-page always.
3084 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3086 * reload1.c (replace_pseudos_in_call_usage): Use
3087 reg_equiv_constant and reg_equiv_address, and don't try
3088 regno_reg_rtx first.
3090 2001-01-13 Richard Henderson <rth@redhat.com>
3092 * ggc-page.c (alloc_page): Round up allocation size to one page.
3093 Set e->order on extra pages.
3095 2001-01-13 Richard Henderson <rth@redhat.com>
3097 * genrecog.c (nodes_identical): Expand commentary.
3098 (write_switch): Watch out for identical nodes.
3100 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3102 * cppfiles.c (_cpp_fake_include): New function.
3103 * cpphash.h (_cpp_fake_include): New.
3104 * cpplib.c (do_line): Call _cpp_fake_include when entering
3105 header files in preprocessed input.
3106 * cppmain.c (cb_pragma_implementation): Remove handling.
3107 (setup_callbacks): Don't register pragmas.
3109 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3111 * extend.texi: Udate for CPP.
3113 2001-01-13 Andreas Jaeger <aj@suse.de>
3115 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3117 * regmove.c: Add prototype for replace_in_call_usage.
3119 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3121 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3122 struct cpp_chunk, struct htab, struct toklist,
3123 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3124 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3125 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3126 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3127 (struct macro_args): Delete.
3128 * cpphash.h: See above.
3130 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3132 * cppmain.c (struct printer): Remove no_line_dirs.
3134 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3135 : Use options rather than CPP_OPTION.
3136 (setup_callbacks): Use cb rather than pfile->cb.
3137 (main): No need to check for a buffer. Use cpp_errors.
3138 (printer_init): Don't set no_line_dirs.
3139 (maybe_print_line): Use options not no_line_dirs.
3140 (cb_file_change): Don't call print_line if -P.
3142 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3144 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3146 * c-parse.in (finish_parse): Use cpp_errors.
3147 (__yylex): Use return value of cpp_pop_buffer.
3148 * cp/lex.c (finish_parse): Use cpp_errors.
3149 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3151 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3153 * README.AVR: URLs corrected.
3155 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3157 * c-decl.c (start_function): Don't warn if old prototype is builtin
3158 that's not in C's namespace.
3159 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3160 (_bb): Add prototype for ctime.
3161 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3163 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3165 * i386.c (ix86_fp_comparison_arithmetics_cost,
3166 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3167 ix86_fp_comparison_cost): New functions.
3168 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3169 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3170 two-branch sequences; make static.
3171 (ix86_use_fcomi_compare): Do decision according to the costs.
3172 (split_fp_branch): New.
3173 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3174 * i386-protos.h (ix86_expand_fp_compare): Remove
3175 (ix86_split_fp_branch): Declare.
3177 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3178 and ix86_comparison_operator.
3180 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3183 * i386.c (put_condition_code): Output properly the unordered/ordered
3184 compares in fp case.
3185 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3187 * tm.texi (REVERSE_CONDITION): Document.
3188 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3189 in -ffast-math mode.
3190 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3192 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3194 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3196 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3199 * config/sh/sh.c (mova_p): Fix test for mova_const.
3201 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3203 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3204 cpp_get_options rather than dereferencing pfile and using
3206 * scan-decls.c (scan_decls): Use return value of
3207 cpp_pop_buffer rather than CPP_BUFFER.
3209 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3211 * cppinit.c (cpp_handle_option): help_only is now part of the
3212 cpp_options structure.
3213 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3214 cpp_set_callbacks): New functions.
3215 * cpplib.h (cpp_callbacks): Break out as a named structure.
3216 (cpp_options): Move help_only here from cpp_reader.
3217 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3218 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3219 cpp_set_callbacks): New prototypes.
3220 * cppmain.c (main): Update for help_only.
3222 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3224 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3225 Also build and remove and install and uninstall c-tree.info and
3227 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3228 ($(srcdir)/cppinternals.info): New target.
3229 * c-tree.texi: Change file name used when makeinfo used without -o
3230 from ir.info to c-tree.info. Add info directory entry.
3231 * cppinternals.texi: Add info directory entry.
3232 * .cvsignore: Update.
3234 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3236 * c-typeck.c (store_init_value): Don't require constant initializer
3237 elements with -pedantic -std=c99.
3238 (digest_init): Change error about non-constant initializer elements
3240 (constructor_range_end): Remove.
3241 (constructor_incremental, designator_depth,
3242 designator_errorneous): New variables.
3243 (struct constructor_stack): Remove range_end, add incremental.
3244 (struct constructor_range_stack, constructor_range_stack): New.
3245 (struct initializer_stack): Add constructor_range_stack.
3246 (finish_init): Set it.
3247 (start_init): Likewise. require_constant_elements for non-static
3248 trees only if not flag_isoc99.
3249 (really_start_incremental_init): Remove constructor_range_end, add
3250 constructor_incremental.
3251 (pop_init_level): Likewise.
3252 (push_init_level): Likewise. If implicit and the subobject had some
3253 value set already, preinitialize the level with it.
3254 Warn about missing braces only if not pushing due to designators.
3255 (set_designator, push_range_stack): New functions.
3256 (set_init_label): Use them.
3257 (set_init_index): Likewise. Remove constructor_range_end.
3258 Error if designator index is outside of array bounds.
3259 (add_pending_init): Compare values of purpose index trees, not the
3260 trees themselves. Allow overwriting of already initialized element.
3261 Issue a warning if it had side-effects.
3262 (set_nonincremental_init, set_nonincremental_init_from_string): New
3264 (pending_init_member): Rename to...
3265 (find_init_member): ...this function. Call set_nonincremental_init
3266 if necessary. Compare values of purpose index trees, not the trees
3267 themselves. Return the actual value, not just non-zero if something
3269 (output_init_element): Remove checks for duplicates.
3270 If field has zero size, only check the initializer for correctness.
3271 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3272 if constructor_incremental is zero. Change error about initializers
3273 not computable at load time into pedwarn.
3274 (output_pending_init_elements): Compare bit positions, not
3275 FIELD_DECLs to take into account zero-sized fields.
3276 (process_init_element): Use constructor_range_stack to fill all
3277 ranges in the designator lists from current level up.
3278 * extend.texi: Update documentation for labeled elements.
3280 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3282 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3283 to function usage for arguments passed by reference. Optimize
3284 callee-copied arguments.
3285 * regmove.c (replace_in_call_usage): New function.
3286 (fixup_match_1): Call it.
3287 * cse.c (cse_insn): Canonicalize registers in function usage.
3288 * reload1.c (replace_pseudos_in_call_usage): New function.
3291 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3294 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3296 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3299 2001-01-12 DJ Delorie <dj@redhat.com>
3301 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3302 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3305 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3307 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3308 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3309 -std options alongside references to -ansi. Update some
3310 documentation for C99.
3311 * cpp.1: Regenerate.
3313 2001-01-12 Andreas Jaeger <aj@suse.de>
3315 * haifa-sched.c (restore_line_notes): Remove argument block B
3317 * sched-ebb.c (schedule_ebb): Change caller.
3318 * sched-rgn.c (schedule_region): Likewise.
3319 * sched-int.h (restore_line_notes): Adjust prototype.
3321 * loop.h: Remove wrong declaration of doloop_condition_get.
3323 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3325 * extend.texi: Move C++-extension-related node from the C section
3326 into the C++ section.
3328 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3330 * extend.texi: Refer to an array of pointers to functions instead
3331 of one of functions.
3333 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3334 Jan Hubicka <jh@suse.cz>
3336 * combine.c (reversed_comparison): Fix typo in last patch.
3338 (combine_reversed_comparison_code): Make static to follow
3339 prototype declaration.
3341 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3343 * install.texi: Remove misplaced duplicate entry.
3345 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3347 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3349 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3351 * final.c: (leaf_function_p): Fix typo.
3353 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3355 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3356 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3358 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3359 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3360 mmap_anon, and valloc is available.
3361 * ggc-page.c: Restructure ifdef logic to match new autoconf
3362 spec. Don't throw away the test page in init_ggc.
3364 * configure, config.in: Regenerate.
3366 2001-01-12 Michael Hayes <mhayes@redhat.com>
3368 * loop.h (total_biv_increment): Constify iv_class pointer.
3369 (struct induction): Replace `mem_mode' with `mem' rtx.
3370 * unroll.c (total_biv_increment): Constify iv_class pointer.
3371 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3372 (find_mem_givs, combine_givs_p): Likewise.
3373 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3375 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3377 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3379 (__gthread_getspecific): Ditto.
3381 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3383 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3384 put_condition_code): Convert fp comparison codes to integer
3386 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3389 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3390 * i386-protos.h (no_comparison_operator): Kill.
3392 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3394 * combine.c (REVERSIBLE_CC_MODE): Remove.
3395 (reversible_comparison_p): Remove.
3396 (combine_reversed_comparison_code): New.
3397 (reversed_comparison): New.
3398 (combine_simplify_rtx): Use
3399 combine_reversed_comparison_code/reversed_comparison instead
3400 of reversible_comparison_p.
3401 (simplify_if_then_else): Likewise.
3402 (simplify_set): Likewise.
3403 (simplify_logical): Likewise.
3404 (if_then_else_cond): Likewise.
3405 (known_cond): Likewise.
3406 (simplify_comparison): Likewise.
3408 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3410 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3411 sizeof (int) is larger than sizeof(__word__).
3413 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3415 * cppinit.c (do_includes): Fix typo.
3417 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3419 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3420 in S_REGS does not occur because not all sources are possible
3421 when a S_REGS is a destination (sometimes needs a clobber).
3422 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3423 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3424 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3425 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3426 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3427 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3428 (lshrdi_const1, lshrsi3_const16): Likewise.
3429 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3430 (*movhi_68hc12, *movqi_68hc12): Likewise.
3431 (movstrictqi): Make sure reloading in D_REGS as a destination
3434 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3436 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3438 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3440 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3441 -D, -U and -A, and don't initialize the builtins.
3442 (do_includes): Error if -include or -imacros with -fpreprocessed.
3443 * cppmain.c (cb_define, cb_undef): Unconditionally process
3445 * tradcpp.c (main): Fix typo.
3447 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3449 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3450 (read_name_map): Use IS_ABSOLUTE_PATH.
3451 * tradcpp.c (get_filename): Likewise.
3453 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3455 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3456 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3457 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3458 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3459 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3460 (cmphi_z_used): Don't use '@' for the output.
3461 (tstqi_z_used): Likewise.
3462 (cmpqi_z_used): Likewise.
3463 (one_cmplsi2): Likewise.
3465 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3467 * config/sh/sh.c (barrier_align): Recognize branch around far
3468 branch and redundant insn.
3470 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3472 * invoke.texi: Restore documentation of the drivers' switches -MD
3475 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3477 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3479 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3480 check-objc//%): Support parallel testing of multilibs.
3481 (TESTSUITEDIR): Set to testsuite by default, but override for
3483 (check-gcc, check-g++, check-g77, check-objc): Enter
3486 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3488 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3489 * sched-deps.c (deps_may_trap_p): Likewise.
3490 * basic-block.h: Remove a comment.
3491 * flow.c (PROP_POSTRELOAD): Remove.
3492 (update_life_info): Don't add it to prop_flags.
3493 (mark_set_1): Lose the code that was enabled by it.
3495 2001-01-11 Michael Hayes <mhayes@redhat.com>
3497 * flow.c (flow_call_edges_add): New.
3498 * basic_block.h (flow_call_edges_add): New.
3500 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3502 * reload1.c (move2add_note_store): Update reg_set_luid even if
3503 base reg remains the same.
3505 2001-01-10 Nick Clifton <nickc@redhat.com>
3507 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3508 machine_function structure to zero.
3509 Add prototypes for machine_status functions.
3511 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3513 * c-common.h (CTI_VOID_LIST): Remove.
3514 (void_list_node): Likewise.
3515 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3516 (void_list_node): New macro.
3517 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3518 * config/i386/i386.c (ix86_init_builtins): Likewise.
3519 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3521 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3523 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3524 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3526 * tradcpp.c: Include mkdeps.h.
3527 (deps, print_deps_phony_targets, deps_append, output_deps,
3528 init_dependency_output, output_deps): New.
3529 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3530 deps_output): Delete.
3531 (print_deps_missing_files): Rename deps_missing_files.
3532 (inhibit_output): Make global.
3533 (main): Delete inhibit_output, deps_stream, deps_target.
3534 Use mkdeps functionality in the same way as cpplib. Remove
3535 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3536 -M and -MM. Remove old handling of deps via deps_out, and
3537 old reading of environment variables.
3538 (get_filename): Update to use deps_add_dep.
3540 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3542 * output.h (make_function_rtl): Remove prototype.
3543 (make_decl_rtl): Likewise.
3544 * varasm.c (make_function_rtl): Remove.
3545 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3546 than from a third parameter.
3547 * tree.h (make_decl_rtl): Remove last parameter.
3548 * c-decl.c (builtin_function): Remove last argument in call to
3549 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3550 (start_function): Likewise.
3551 * except.c (call_get_eh_context): Likewise.
3552 * expr.c (emit_block_move): Likewise.
3553 (clear_storage): Likewise.
3554 * profile.c (output_func_start_profiler): Likewise.
3555 * toplev.c (rest_of_decl_compilation): Likewise.
3556 * objc/objc-act.c (create_builtin_decl): Likewise.
3557 (synth_module_prologue): Likewise.
3558 (generate_static_reference): Likewise.
3559 (build_selector_reference_decl): Likewise.
3560 (build_class_reference_decl): Likewise.
3561 (build_objc_string_decl): Likewise.
3562 (build_protocol_reference): Likewise.
3564 2001-01-10 Richard Henderson <rth@redhat.com>
3566 * hwint.h: Revert yesterday's change.
3568 2001-01-10 Nick Clifton <nickc@redhat.com>
3570 * function.h (save_machine_status): Delete.
3571 (restore_machine_status): Delete.
3572 Amend comment describing {init|mark|free}_machine_status.
3574 * function.c (save_machine_status): Delete.
3575 (restore_machine_status): Delete.
3576 Amend comment describing {init|mark|free}_machine_status.
3577 (push_function_context_to): Remove invocation of
3578 save_machine_status.
3579 (pop_function_context_from): Remove invocation of
3580 restore_machine_status.
3582 * emit-rtl.c (init_emit_once): Amend comment describing
3583 {init|mark|free}_machine_status.
3585 * tm.texi (Per-Function Data): New node. Describe the
3586 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3589 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3591 * cppinit.c (OPT_g): Remove.
3592 (cpp_handle_option): Update for removed -g3.
3593 (print_help): Update.
3594 * cpplib.h (struct cpp_options): Remove debug_output.
3595 * cppmain.c (setup_callbacks, cb_define): Update.
3596 * gcc.c (cpp_options): Translate -g3 to -dD.
3598 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3600 * config/i960/i960.md: Change modifier to + on the zero_extract
3601 pattern after the (rotate -2 reg) canonicalization pattern.
3603 2001-01-10 Richard Henderson <rth@redhat.com>
3605 * config/alpha/alpha.c (alpha_free_machine_status): New.
3606 (override_options): Install it.
3607 (alpha_mark_machine_status): Verify machine non-null.
3608 * config/i386/i386.c (ix86_free_machine_status): New.
3609 (override_options): Install it.
3610 (ix86_init_machine_status): Use xcalloc.
3611 (ix86_mark_machine_status): Verify machine non-null.
3612 * config/ia64/ia64.c (ia64_free_machine_status): New.
3613 (ia64_override_options): Install it.
3614 (ia64_mark_machine_status): Verify machine non-null.
3616 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3618 * function.c (instantiate_virtual_regs): Instantiate virtual
3619 registers found in CALL_INSN_FUNCTION_USAGE.
3621 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3623 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3624 equivalent to -ansi in disabling -Di386.
3626 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3628 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3630 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3632 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3634 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3636 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3638 * invoke.texi: Document that -fcond-mismatch isn't supported for
3641 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3643 * gcc.texi: Define macro gcctabopt.
3644 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3645 @command, @env and @option in some places where appropriate. Use
3646 @gcctabopt where appropriate. Put URLs and email addresses inside
3649 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3651 * gcc.c (cpp_options): Set MD file name from output
3652 filename, if specified.
3653 (suffix_subst): New static variable.
3654 (do_spec): Clear it.
3655 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3657 (give_switch): Handle suffix_subst.
3659 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3661 * invoke.texi: Fix another typo.
3663 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3665 * invoke.texi: Fix typo.
3667 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3669 * c-lang.c (lang_hooks): Update.
3670 (lang_decode_option): Remove.
3671 (lang_init_options): Rename c_init_options.
3672 * toplev.c (main): Use lang_hooks for lang_init_options
3673 and lang_decode_option.
3674 * toplev.h (lang_hooks): Add 2 new hooks.
3675 * tree.h: Remove lang_init_options and lang_decode_option.
3676 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3677 * cp/decl2.c: Similarly.
3678 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3679 (lang_hooks): Update.
3680 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3682 (lang_init_options): Rename ffe_init_options.
3683 (lang_hooks): Update.
3684 (lang_decode_option): Remove.
3685 * java/lang.c (lang_init_options): Rename java_init_options.
3686 (lang_decode_option): Rename java_decode_option.
3687 (lang_hooks): Update.
3688 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3689 (lang_decode_option): Rename objc_decode_option.
3690 (lang_hooks): Update.
3692 2001-01-09 Nick Clifton <nickc@redhat.com>
3694 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3695 (d30v_return_addr_rtx): Delete.
3696 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3697 cfun->machine structure.
3698 (struct machine_function): Move to d30v.h
3699 (d30v_save_machine_status): Delete.
3700 (d30v_restore_machine_status): Delete.
3701 (d30v_init_machine_status): New Function.
3702 (d30v_mark_machine_status): New Function.
3703 (d30v_free_machine_status): New Function.
3704 (d30v_init_expanders): Use new functions.
3705 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3706 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3707 d30v_return_addr_rtx.
3709 * config/d30v/d30v.h (struct_machine): Move here.
3710 Add eh_epilogue_sp_ofs field.
3712 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3713 field in cfun->machine structure.
3715 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3717 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3718 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3719 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3721 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3723 * objc/lang-options.h: Remove bogus reference to
3726 2001-01-09 Kazu Hirata <kazu@hxi.com>
3728 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3731 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3733 * reload.c (find_reloads_address): Check for eliminable registers
3734 when substituting a constant expression for a pseudo.
3736 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3738 * c-common.c (enum format_type): Add format_type_error.
3739 (decode_format_type): New function.
3740 (decl_attributes): Use it.
3741 (format_kind_info): Adjust comment.
3743 2001-01-09 David O'Brien <obrien@BSDi.com>
3745 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3746 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3748 * config/i386/gnu.h: Don't include required platform specific .h files,
3749 tm.h will do it instead.
3750 * config/i386/i386elf.h: Likewise.
3751 * config/i386/linux.h: Likewise.
3752 * config/i386/moss.h: Likewise.
3753 * config/mips/gnu.h: Likewise.
3755 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3757 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3758 (rs6000-ibm-aix3.[01]*): Likewise.
3759 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3760 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3761 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3762 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3763 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3764 (powerpc-*-eabiaix*): Likewise.
3765 (powerpc-*-eabisim*): Likewise.
3766 (powerpc-*-elf*): Likewise.
3767 (powerpc-*-eabi*): Likewise.
3768 (powerpc-*-rtems*): Likewise.
3769 (powerpc-*-linux*libc1): Likewise.
3770 (powerpc-*-linux*): Likewise.
3771 (powerpc-wrs-vxworks*): Likewise.
3772 (powerpcle-wrs-vxworks*): Likewise.
3773 (powerpcle-*-sysv*): Likewise.
3774 (powerpcle-*-elf*): Likewise.
3775 (powerpcle-*-eabisim*): Likewise.
3776 (powerpcle-*-eabi*): Likewise.
3777 (powerpcle-*-solaris2*): Likewise.
3778 * config/rs6000/aix31.h: Delete includes.
3779 * config/rs6000/aix3newas.h: Likewise.
3780 * config/rs6000/aix41.h: Likewise.
3781 * config/rs6000/aix43.h: Likewise.
3782 * config/rs6000/beos.h: Likewise.
3783 * config/rs6000/rtems.h: Likewise.
3784 * config/rs6000/sysv4.h: Likewise.
3786 2001-01-09 Kazu Hirata <kazu@hxi.com>
3788 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3789 Change an argument mode of machine_mode to shift_mode of
3790 shift_mode. Remove an extra error check.
3791 (emit_a_shift): Adopt to the new calling prototype of
3793 (function_prologue): Fix code for a monitor
3794 function. Support H8/S.
3795 (function_epilogue): Do not output pop for a monitor function.
3797 2001-01-09 Nick Clifton <nickc@redhat.com>
3799 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3800 (setup_incoming_varargs): Use sysv_varargs_p field of the
3801 cfun->machine structure.
3802 (struct machine_function): Move to rs6000.h
3803 (rs6000_save_machine_status): Delete.
3804 (rs6000_restore_machine_status): Delete.
3805 (rs6000_init_machine_status): New Function.
3806 (rs6000_free_machine_status): New Function.
3807 (rs6000_init_expanders): Use new functions.
3809 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3811 (struct machine_function): Move here.
3813 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3814 sysv_varargs_p field of the cfun->machine structure.
3816 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3818 (rs6000_restore_machine_status): Remove prototype.
3820 2001-01-09 Richard Henderson <rth@redhat.com>
3822 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3823 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3824 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3825 (sched_analyze_2, sched_analyze_insn): Likewise.
3826 (sched_analyze, init_deps): Likewise.
3827 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3828 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3829 (compute_block_backward_dependences): Update propagate_deps call.
3831 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3833 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3835 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3837 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3838 (cpp_handle_option): Handle them.
3839 (cpp_post_options): Ensure one of -M or -MM is specified with
3840 any other -M? option.
3841 (init_dependency_output): Suppress output with -MG.
3843 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3846 * invoke.texi: Update.
3848 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3850 * sh.md (reload_outsf): Generate recognizable patterns for
3853 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3855 * c-lang.c (lang_hooks): Update.
3856 (lang_init): Rename c_init.
3857 (lang_finish): Remove.
3858 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3860 * toplev.h (lang_hooks): Add init () and finish ().
3861 * tree.h (lang_init, lang_finish): Remove.
3862 * cp/tree.h (lang_init, lang_finish): Remove.
3863 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3864 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3866 (lang_init, lang_finish): Remove.
3867 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3868 (lang_hooks): Update.
3869 * java/lang.c (lang_init): Rename java_init.
3870 (lang_finish): Remove.
3871 (lang_hooks): Update.
3872 * objc/objc-act.c (lang_init): Rename objc_init.
3873 (lang_finish): Remove.
3874 (lang_hoooks): Update.
3876 20001-01-09 Graham Stott <grahams@redhat.com>
3878 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3879 after `ptr` is initialised.
3881 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3883 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3884 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3885 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3886 stack adjusts, instead of r3.
3888 2001-01-09 Michael Hayes <mhayes@redhat.com>
3890 * flow.c (flow_loop_scan): Break out of ...
3891 (flow_loops_find) ... here.
3892 * basic-block.h (flow_loop_scan): New.
3893 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3894 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3896 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3898 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3900 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3901 realloc()ing macro_buffer.
3903 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3904 if it's wider than long and the target's long is wider than the
3907 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3909 Remove support for using UWIN as a host machine.
3910 * configure.in: Issue an error message.
3911 * configure: Regenerated.
3912 * config.gcc: Remove xm_* UWIN configury.
3913 * config/i386/xm-uwin.h: Remove.
3915 2001-01-08 Nick Clifton <nickc@redhat.com>
3917 * config/v850/v850.c (ra_rtx): Delete.
3918 (v850_save_machine_status): Delete.
3919 (v850_restore_machine_status): Delete.
3920 (v850_init_machine_status): New function.
3921 (v850_mark_machine_status): New function.
3922 (v850_free_machine_status): New function.
3923 (v850_return_addr): Use ra_rtx field in machine structure.
3924 (v850_init_expanders): Use new functions.
3926 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3927 * config/v850/v850.c: Change arguments to v850_output+* functions
3928 to take a const char *, to avoid compile time warning.
3929 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3930 (USER_LABEL_PREFIX): Redefine.
3932 2000-01-08 Jim Wilson <wilson@redhat.com>
3934 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3935 1 to unsigned HOST_WIDE_INT before left shift.
3937 2001-01-08 Nick Clifton <nickc@redhat.com>
3939 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3940 the machine structure has been allocated.
3941 (arm_free_machine_status): New function: Free the machine
3942 specific function structure.
3944 2001-01-08 Richard Henderson <rth@redhat.com>
3946 * jump.c (simplejump_p): Revert last change.
3948 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3950 * cppinit.c (init): Rename init_library.
3951 (cpp_create_reader): Update.
3952 * gcc.c (cpp_options): If -o given, use it as the target of
3955 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3957 * arm.c (arm_arch5e): New variable.
3958 (all_cores): XScale is a 5TE device.
3959 (arm_override_options): Set arm_arch5e.
3960 (arm_init_builtins): __builtin_prefetch is in arch5e.
3961 * arm.h (arm_arch5e): Declare it.
3963 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3965 * arm.md (define_constants): Add defines for UNSPEC and
3966 UNSPEC_VOLATILE insns. Update all users.
3967 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3968 * arm.c (multi_register_push, note_invalid_constants)
3969 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3970 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3971 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3973 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3975 * jump.c (jump_optimize_1): Use reversed_comparison_code
3976 instead of can_reverse_comparison_p.
3977 (jump_back_p): Likewise.
3978 (invert_exp_1): Likewise.
3979 (thread_jumps): Likewise.
3980 * simplify-rtx.c (simplify_unary_operation): Likewise.
3981 (simplify_ternary_operation): Likewise.
3982 * cse.c (find_comparison_args): Convert to use
3983 can_reverse_comparison_p.
3984 (record_jump_equiv): Likewise.
3986 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3988 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3989 (EPILOGUE_USES): Define.
3990 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3991 automatically stack the LR if it isn't live.
3993 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3995 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3998 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4000 * ggc-page.c (max_alignment): New structure.
4001 (MAX_ALIGNMENT): New macro.
4002 (init_ggc): Use it to round up the sizes in the
4003 extra_order_size_table.
4005 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4007 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4010 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4012 * builtins.def (BUILT_IN_FPRINTF): New entry.
4014 * c-common.c (c_expand_builtin_fprintf): New function.
4015 (init_function_format_info): Handle __builtin_fprintf.
4016 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4017 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4019 * c-decl.c (duplicate_decls): Adjust comment.
4021 * extend.texi (fprintf): Document new builtin.
4023 2001-01-07 Richard Henderson <rth@redhat.com>
4025 * jump.c (simplejump_p): Recognize any single_set jump
4028 2001-01-07 Richard Henderson <rth@redhat.com>
4030 * configure.in (slibdir): Accept an --with-slibdir option.
4031 Use "test" not "[" in configure. Default to $(libdir).
4033 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4035 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4036 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4037 (SHLIB_LINK): Create links for the soname.
4038 * config/mips/t-iris6: Likewise.
4039 * config/sparc/t-slibgcc: Likewise.
4040 * config/sparc/t-slibgcc-sld: Likewise.
4042 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4044 * config/i386/i386.c (constant_call_address_operand): Accept
4045 (const (plus (symbol_ref) (const_int))).
4046 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4047 constant_call_address_operand.
4049 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4051 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4052 and LONG_LONG_TYPE_SIZE > 32.
4054 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4056 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4057 the previous change.
4059 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4061 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4063 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4064 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4065 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4068 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4070 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4072 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4074 * c-lang.c (c_post_options): Call cpp_post_options.
4075 * objc/objc-act.c (objc_post_options): Similarly.
4076 * cppmain.c (main): Similarly.
4077 * fix-header.c (read_scan_file): Similarly.
4078 * cppinit.c (cpp_start_read): Move option consistency checks
4079 to cpp_post_options. Don't call init_dependency_output.
4080 If needed, add default target and main file dependency.
4081 (OPT_MD, OPT_MMD): Remove.
4083 (cpp_handle_option): Update for OPT_* changes.
4084 (cpp_post_options): New.
4085 (init_dependency_output): Command line -MF overrides environment
4086 variables. Don't set default target etc. Suppress output
4087 if dependencies are going to stdout.
4088 (print_help): Update.
4089 * cpplib.h (cpp_post_options): New.
4090 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4092 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4094 * jump.c (comparison_dominates_p): Support unordered compares.
4096 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4098 * simplify-rtx.c (simplify_relational_operation): Always simplify
4099 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4102 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4104 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4105 (nonzero_bits): Likewise.
4106 (simplify_comparison): Likewise.
4107 (num_sign_bit_copies): Likewise; return more sane value depending
4108 on STORE_FLAG_VALUE.
4109 (known_cond): Do not assume EQ to be always true for equivalent
4112 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4114 * cse.c (fold_rtx): Handle unordered comparisons.
4116 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4118 * rtlanal.c (set_of_1): New static function.
4119 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4120 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4121 reg_set_last_last_regno): Remove.
4122 (set_of): New global function.
4123 (set_of_data): New structure.
4124 (reg_set_p, reg_set_last): Revamp for set_of.
4125 * rtl.h (set_of): New.
4127 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4129 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4130 * extend.texi: Document _Exit builtin.
4132 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4134 * (initialize, initialize_builtins,
4135 initialize_dependency_output, initialize_standard_includes):
4136 Rename s/initialize/init. Update.
4137 (init_dependency_output): Move to after
4138 cpp_handle_options, the correct location temporally at least.
4139 (opt_comp): Move next to init (), its caller. Fix prototype.
4140 (init): Make "initialized" local scope.
4141 (cpp_create_reader): Always call init ().
4142 (cpp_start_read): Update.
4143 (output_deps): New function, broken out of cpp_finish.
4144 (cpp_finish): Break out output_deps.
4146 2001-01-07 Richard Henderson <rth@redhat.com>
4148 * collect2.c (COFF specific stuff): Revert 12-06 patch
4149 to prototype system functions.
4151 2001-01-07 Michael Hayes <mhayes@redhat.com>
4153 * hard-reg-set.h: Add multiple include guard.
4154 * basic-block.h (struct loop): Add `sink' field.
4155 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4156 (emit_iv_add_mult): Delete.
4157 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4158 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4159 (unroll_loop): Remove end_insert_before argument.
4160 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4161 (maybe_eliminate_biv_1): Likewise.
4162 (emit_iv_add_mult): Delete.
4163 (gen_add_mult, loop_regs_update): New.
4164 (loop_insn_emit_after, loop_insn_emit_before): New.
4165 (loop_insn_sink, loop_insn_sink_or_swim): New.
4166 (emit_iv_add_mult): Delete.
4167 (scan_loop): Set loop->sink.
4168 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4169 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4170 (maybe_eliminate_biv_1): Likewise.
4171 (maybe_eliminate_biv_1): Add basic block argument.
4172 * unroll.c (unroll_loop): Remove end_insert_before argument.
4173 (find_splittable_regs): Likewise.
4174 (find_splittable_regs): Use loop_insn_sink and its ilk.
4175 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4177 2001-01-07 Michael Hayes <mhayes@redhat.com>
4179 * loop.h (loop_insn_hoist): New prototype.
4180 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4181 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4182 (check_dbra_loop, load_mems): Likewise.
4183 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4184 (find_splittable_givs): Likewise.
4186 2001-01-07 Michael Hayes <mhayes@redhat.com>
4188 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4190 2001-01-07 Richard Henderson <rth@redhat.com>
4192 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4194 2001-01-07 Richard Henderson <rth@redhat.com>
4196 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4197 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4198 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4199 variant that handles a shared libgcc.
4200 (process_command): Always validate -{static,shared}-libgcc.
4201 (do_spec_1): New 'M' case.
4202 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4204 2001-01-07 Richard Henderson <rth@redhat.com>
4206 * Makefile.in (slibdir): New variable.
4207 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4208 (installdirs): Create slibdir.
4209 (install-libgcc, install-multilib): Defer to libgcc.mk.
4210 * configure.in (slibdir): Substitute.
4211 * mklibgcc.in (install): New target.
4213 * config/t-linux (SHLIB_LINK): Create links for the soname.
4214 (SHLIB_INSTALL): New.
4215 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4216 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4217 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4218 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4219 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4221 2001-01-07 Richard Henderson <rth@redhat.com>
4223 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4224 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4225 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4227 2001-01-07 Michael Hayes <mhayes@redhat.com>
4229 * loop.c (count_loop_regs_set): Delete.
4230 (load_mems_and_recount_loop_regs_set): Delete.
4231 (loop_regs_scan): Merge common code from count_loop_regs_set,
4232 scan_loop, and load_mems_and_recount_loop_regs_set.
4233 (scan_loop): Call load_mems directly and loop_regs_scan
4234 again if new registers created.
4236 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4238 * toplev.c (main): Call the front-end specific post_options
4239 hook if one is given.
4240 * toplev.h (struct_lang_hooks, lang_hooks): New.
4241 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4242 for the C front end.
4243 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4244 lang_hooks for the C++ front end.
4245 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4246 lang_hooks for the ObjC front end.
4247 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4248 * java/lang.c (lang_hooks): Hooks for the Java front end.
4250 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4252 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4253 for verbose DWARF[2] debugging.
4254 (cb_define, cb_undef): The new callbacks.
4255 * toplev.h (debug_define, debug_undef): Make const correct.
4256 * toplev.c (debug_define, debug_undef): Similarly. Do not
4257 perform the verbosity tests here anymore.
4259 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4261 * reload.c (subst_reloads): Take INSN argument. When
4262 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4263 * reload.h (subst_reloads): Adjust prototype.
4264 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4265 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4266 present in JUMP_INSNs and copy them to JUMP_LABEL.
4267 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4268 JUMP_INSNs and insns with REG_LABELs that are followed by
4269 JUMP_INSNs with the same REG_LABEL.
4270 * sched-rgn.c (is_cfg_nonregular): Likewise.
4271 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4273 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4275 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4277 2001-01-06 Richard Henderson <rth@redhat.com>
4279 * loop.c (scan_loop): Use xcalloc for the regs array.
4280 (load_mems_and_recount_loop_regs_set): Zero the new memory
4281 received from xrealloc.
4283 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4285 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4287 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4289 * integrate.c (copy_rtx_and_substitute): When copying
4290 an ignored return value, strip REG_FUNCTION_VALUE_P.
4292 2001-01-06 Michael Hayes <mhayes@redhat.com>
4294 * loop.c (debug_biv, debug_giv): New.
4295 (loop_biv_dump): Break out from ...
4296 (record_biv): ... here.
4297 (loop_giv_dump): Break out from ...
4298 (record_giv): ... here.
4299 (loop_bivs_check): Use print_simple_rtl.
4300 * unroll.c (loop_iterations): Use print_simple_rtl.
4302 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4304 * pa.md (return, return_internal): Modify patterns to prevent regrename
4305 mucking with the return pointer.
4307 2001-01-05 Richard Henderson <rth@redhat.com>
4309 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4311 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4313 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4314 version supplied by Matteo Frigo.
4316 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4318 * cpp.texi: Update for -MQ.
4319 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4320 (cpp_cleanup): Always free pfile->deps.
4321 (initialize_dependency_output): Don't create pfile->deps.
4322 (cpp_handle_option): Similarly.
4324 * gcc.c (cpp_options): Handle -MQ.
4325 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4326 * mkdeps.c (base_name): Remove.
4327 (deps_init): Don't allocate vector space until it's needed.
4328 (deps_free): Only free vectors if allocated.
4329 (deps_add_target, deps_add_dep): Update for initial allocation.
4330 (deps_add_default_target): Don't strip to the base_name.
4332 2001-01-05 DJ Delorie <dj@redhat.com>
4334 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4335 (INIT_EXPANDERS): Define.
4337 * config/v850/v850.c (struct machine_function): Define.
4338 (v850_save_machine_status): New function.
4339 (v850_restore_machine_status): New function.
4340 (v850_return_addr): New function.
4341 (v850_init_expanders): New function.
4343 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4344 and v850_init_expanders.
4346 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4348 * cpplib.h (struct cpp_reader): Add help_only field.
4349 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4350 (cpp_handle_option): Set pfile->help_only if we see -h,
4351 --help, -target-help, or --version. Print version string but
4352 do not set help_only if we see -v or -version. Make text
4353 printed by -v match that printed by (-)-version.
4355 * cppmain.c (main): Exit after option parsing if
4356 pfile->help_only is true.
4358 * toplev.c (independent_decode_option): Call print_version,
4359 then exit, if we see --version (but not -version).
4360 (print_version): Split lengthy message into two lines.
4362 2001-01-05 Nick Clifton <nickc@redhat.com>
4364 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4365 temporary string for initialisation before calling ggc_alloc_string.
4367 2001-01-06 Michael Hayes <mhayes@redhat.com>
4369 * rtl.h (print_simple_rtl): New.
4370 * print-rtl.c (print_simple_rtl): New.
4372 (print_rtx): Disable printing of flags and modes, etc.,
4373 if `flag_simple` nonzero.
4375 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4377 * function.c (fixup_var_refs): Use push_to_full_sequence where
4380 2001-01-05 Michael Meissner <meissner@redhat.com>
4382 * flags.h (flag_reorder_blocks): Add declaration.
4383 (flag_rename_block): Ditto.
4385 2001-01-05 DJ Delorie <dj@redhat.com>
4387 * function.c (reorder_blocks): Make sure the flags are all reset
4388 before using them to mark blocks, else a second invocation will
4389 corrupt the block chain.
4390 (reorder_blocks_0): New, resets the flags.
4392 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4394 * cse.c (find_comparison_args): Stop if the argument is known to
4397 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4399 * config/sh/sh.md (movdf): When splitting load into pair of
4400 registers, don't clobber the register used in the address too
4403 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4405 * varasm.c (mark_constant_pool): Improve initial comments.
4406 (mark_constants): Move marking of constants to mark_constant.
4407 (mark_constant): New function to recursively mark all constants
4408 referred to by a constant.
4410 2001-01-05 Catherine Moore <clm@redhat.com>
4412 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4414 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4416 * cp/lang-options.h: Bring comment in line with reality.
4417 * f/lang-options.h: Likewise.
4418 * java/lang-options.h: Likewise.
4419 * objc/lang-options.h: Likewise.
4420 * ch/lang-options.h: Likewise.
4421 * f/g77.texi: And update the manual.
4423 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4424 Denis Chertykov <denisc@overta.ru>
4426 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4427 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4428 * config/avr/avr.md (all peepholes that request a scratch register):
4429 Call it, FAIL the peephole if not safe (in interrupt functions).
4431 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4433 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4435 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4437 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4439 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4440 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4441 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4442 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4443 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4445 * extend.texi: Document these builtins.
4447 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4449 * c-common.c (lang_get_alias_set): Say we know nothing of
4450 VECTOR_TYPE aliasing.
4452 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4454 2001-01-05 Bruce Korb <bkorb@gnu.org>
4456 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4457 their x* equivalent versions for atexit-less systems
4458 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4459 systems (or any other system any more).
4461 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4463 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4464 output operands. Use arm_hard_register_operand for operand 4.
4465 (stmsi_postinc): Similarly.
4466 (ldmsi): Use arm_hard_register_operand for opernand 2.
4468 * arm.c (arm_hard_register_operand): New function.
4469 * arm-protos.h (arm_hard_register_operand): Prototype it.
4471 * arm.h (HARD_REGNO_RENAME_OK): Define.
4473 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4475 * simplify-rtx.c (cfc_args): add "unordered" field.
4476 (check_fold_consts): Set unordered field.
4477 (simplify_relational_operation): Simplify the unordered
4480 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4483 * emit-rtl.c (try_split): Fix code to mark labels.
4484 * jump.c (mark_jump_label): Make global.
4485 * rtl.h (mark_jump_label): Declare.
4487 * predict.c (estimate_probability): Handle unordred comparisons.
4489 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4491 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4492 * cppinit.c (initialize_dependency_output): Update.
4493 (cpp_finish): Output dummy targets for -MP.
4495 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4496 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4497 * gcc.c (cpp_options): Update to handle -MP.
4498 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4499 to quote only the default target.
4500 (deps_phony_targets): Insert a preceding newline. Rename from
4501 deps_dummy_targets for consistency.
4504 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4506 * calls.c (emit_library_call_value_1): Support
4507 INIT_CUMULATIVE_LIBCALL_ARGS.
4508 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4510 2001-01-04 Richard Henderson <rth@redhat.com>
4512 * c-decl.c (finish_struct): Detect flexible array members
4513 used in an inappropriate context.
4514 * c-typeck.c (really_start_incremental_init): Special case
4515 constructor_max_index for zero length arrays.
4516 (pop_init_level): Allow initialization of flexible array
4517 members. Deprecate initialization of zero length arrays.
4518 Don't issue missing initializer warning for flexible array
4519 members or zero length arrays.
4520 (process_init_element): Don't dereference null DECL_SIZE.
4521 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4522 Don't abort for empty constructors. Use size_binop
4523 (output_constructor): Add commentary regarding zero length
4524 array futures. Abort if we try to initialize an array of
4525 unspecified length with a non-empty constructor in the middle
4528 * extend.texi (Zero Length): Update and clarify documentation
4529 on static initialization.
4531 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4533 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4534 with more than 32767 words of local storage.
4536 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4538 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4539 for 'abs', 'labs', and 'fabs'.
4540 (c4x_expand_builtin): Likewise.
4541 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4543 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4545 * config/sh/sh.md (prget, prset): New insn types.
4546 (return delay slot): Dont' allow prset.
4547 (call, sfunc delay slot): Don't allow prget.
4548 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4549 for prset and prget.
4551 2001-01-05 Michael Hayes <mhayes@redhat.com>
4553 * loop.h (struct loop_reg): New.
4554 (struct loop_regs): Change to use array of `struct loop_reg'.
4555 * loop.c: Replace assortment of varrays with single regs array.
4556 (count_one_set): Delete may_not_move array argument
4557 and use regs array instead. All caller's changed.
4558 (count_loop_regs_set): Delete may_not_move and single_usage
4559 arguments and use regs array instead. All caller's changed.
4560 (find_single_use_in_loop): Replace usage array argument with pointer
4561 to regs structure. All caller's changed.
4562 (loop_optimize): Delete `moved_once' array.
4564 2001-01-05 Michael Hayes <mhayes@redhat.com>
4566 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4567 Use it instead of loop_info->has_call for scanning loop mems.
4568 (check_dbra_loop): Replace loop_info->has_call test with
4569 loop_info->has_nonconst_call.
4571 2000-01-04 Matthew Hiller <hiller@redhat.com>
4573 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4576 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4578 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4579 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4581 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4583 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4584 (flag_short_double, flag_short_wchar): Define.
4585 (c_common_nodes_and_builtins): Create many tree nodes shared
4586 between C and C++ here instead of in cp/decl.c and ...
4587 * c-decl.c (init_decl_processing): ... here.
4588 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4589 (flag_short_double, flag_short_wchar): Don't define.
4590 (record_builtin_type): New function.
4591 (build_void_list_node): New function.
4592 * c-common.h (flag_short_double, flag_short_wchar,
4593 record_builtin_type, build_void_list_node): Declare.
4595 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4597 * integrate.c (expand_inline_function): Don't put a virtual
4598 register into the reg map.
4600 * function.c (fixup_var_refs_1): If force_operand didn't put
4601 the address into the target, move it there.
4603 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4605 Special-case tree_decl/tree_list allocations.
4606 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4607 (OBJECT_SIZE): New macro.
4608 (NUM_EXTRA_ORDER): Likewise.
4609 (extra_order_size_table): New variable.
4610 (NUM_ORDERS): New macro.
4611 (objects_per_page_table): New variable.
4612 (object_size_table): New variable.
4613 (G.pages): Use NUM_ORDERS to bound the array.
4614 (G.page_tails): Likewise.
4615 (DIV_ROUND_UP): Remove.
4616 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4617 (alloc_page): Use OBJECT_SIZE.
4618 (size_lookup): Don't make it const.
4619 (ggc_alloc): Use OBJECT_SIZE.
4620 (ggc_set_mark): Likewise.
4621 (ggc_get_size): Likewise.
4622 (init_ggc): Set up the object_size_table, objects_per_page_table,
4623 and adjust size_lookup.
4624 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4625 (ggc_pop_context): Use NUM_ORDERS.
4626 (clear_marks): Likewise.
4627 (sweep_pages): Likewise.
4628 (poison_pages): Likewise.
4629 (ggc_print_statistics): Use OBJECT_SIZE.
4631 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4633 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4634 Only call array_size_for_constructor if last field and array type
4635 with no upper bound.
4637 2001-01-04 Philip Blundell <philb@gnu.org>
4639 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4640 from bit 31 downwards, if this requires no more insns.
4641 (count_insns_for_constant): New helper function for above.
4643 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4645 * gencodes.c (output_predicate_decls): Remove empty initializer.
4647 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4649 * tree.c (copy_node): Remove documentation about obstacks.
4650 (buidl1): Check that nobody tries to build 2-argument nodes this
4653 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4655 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4658 * gencodes.c (output_predicate_decls): Fill empty initializer
4661 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4663 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4664 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4666 (do_include): Handle missing headers like cpp0.
4667 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4668 paths with first include pathname. Don't strcat to uninitialized
4671 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4673 * regrename.c (regrename_optimize): Don't rename from frame pointer
4674 if frame_pointer_needed.
4675 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4676 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4677 (ia64_reorg): Use it instead of scheduling if ! optimize.
4678 (errata_emit_nops): Properly call asm_noperands.
4679 (ia64_sched_reorder): Finish cycle if we see an asm.
4680 (ia64_variable_issue): Clear scheduling state after asms.
4682 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4684 * cpp.texi: Update for -MT.
4685 * cppinit.c (initialize_dependency_output): Add a default
4686 target if none has been given already.
4687 (no_tgt, OPT_MT): New.
4688 (cpp_handle_option): Handle -MT. Update -M etc.
4689 * cpplib.h (struct cpp_options): Remove deps_target.
4690 * gcc.c (cpp_options): Handle -MT.
4691 * mkdeps.c (struct deps): Move from mkdeps.h.
4692 (deps_calc_target): Rename deps_add_default_target. Add a
4693 default target if none has been specified already.
4694 * mkdeps.h (struct deps): Move to mkdeps.c.
4695 (deps_calc_target): Rename deps_add_default_target.
4697 2000-01-03 Richard Henderson <rth@redhat.com>
4699 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4701 * c-typeck.c (push_init_level): Move checks for flexible array
4702 members and zero length arrays ...
4703 (pop_init_level): ... here. Silently discard empty initializations.
4705 * varasm.c (output_constructor): Update for sizeof change to
4708 * extend.texi (Zero Length): Clarify semantics.
4710 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4712 * configure.in (tm.h): Include isns-codes.h last.
4713 * configure: Rebuilt.
4715 2001-01-03 Richard Henderson <rth@redhat.com>
4717 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4718 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4720 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4722 * tradcpp.c (main): Make sure finclude() is called with a valid
4723 indepth value while handling -include.
4725 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4727 * gencodes.c (output_predicate_decls): New function.
4729 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4730 even if it is not the first time machmode.h is #included.
4731 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4732 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4733 * gcc.texi (Copyright): Added 2001.
4735 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4737 * c-common.c (c_common_lang_init): New function. Warn if format
4738 warning options which only have effects when used with -Wformat
4739 are used without -Wformat.
4740 * c-common.h (c_common_lang_init): Declare.
4741 * c-lang.c (lang_init): Call c_common_lang_init.
4742 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4744 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4746 * configure.in: Check for the mktemp command.
4747 * configure: Regenerate.
4748 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4749 $TEMP. Create temporary files with mktemp, if available at
4750 configure time; otherwise use set -C. Remove temporary files
4753 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4755 * configure.in: Require at least texinfo 4.0. Check for whether
4756 Pod::Man is sufficiently recent to regenerate GCC manpages.
4757 * configure: Regenerate.
4758 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4760 (GENERATED_MANPAGES): Define.
4761 (generated-manpages): New target. Depend on cpp.1 as well as
4763 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4764 configure to generated-manpages or empty) rather than on the
4765 manpages directly. Remove execute permission from installed
4766 gcov.1 as well as cpp.1.
4767 * cpp.1, gcov.1: Regenerate.
4769 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4771 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4772 tree_low_cst. Allow using cmpstrsi in more cases.
4774 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4776 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4779 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4781 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4782 * Makefile.in (HOST_CFLAGS): Mention build-make.
4784 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4786 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4789 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4791 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4794 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4797 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4798 reg_base_value and reg_known_value arrays.
4799 (init_alias_analysis): Add more cases to detect known values.
4800 * sched-deps.c (deps_may_trap_p): New function.
4801 (sched_analyze_2): Use it.
4803 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4805 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4806 don't discard an ASHIFTRT if we're shifting in a wider mode.
4808 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4810 * toplev.c (rest_of_compilation): Don't print basic block information
4811 when CFG isn't up to date.
4813 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4815 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4816 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4817 (UNALIGNED_SHORT_ASM_OP): Define.
4818 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4820 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4822 * fold-const.c (fold_convert): Fix typo.
4824 2001-01-02 Richard Henderson <rth@redhat.com>
4826 * c-common.h (ASM_INPUT_P): New.
4827 * c-parse.in (asm): Set it when needed.
4828 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4829 existance of an operand.
4831 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4833 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4834 (dwarf2out_frame_debug_expr): Likewise.
4835 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4837 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4839 * i386.c (ix86_split_to_parts): Return number of part required;
4841 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4843 (ix86_split_long_move): Use number of part returned
4844 by ix86_split_to_parts
4845 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4847 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4848 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4849 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4850 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4851 (ALIGN_MODE_128): Add TFmode.
4852 (IS_STACK_MODE): Likewise.
4853 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4854 (HARD_REGNO_OK): Support TFmodes.
4855 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4856 * i386.md (scheduler definitions): Use memory operand to determine
4857 fst/fld instructions; use mode attribute to determine real mode of
4859 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4860 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4862 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4864 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4866 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4868 * expr.c (store_constructor_field): Update ALIGN before calling
4871 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4873 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4876 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4878 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4881 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4883 * c-decl.c (start_function): Don't warn on third parameter to main.
4885 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4887 * tsystem.h: Define HAVE_DECL_GETOPT.
4889 2001-01-02 Philip Blundell <pb@futuretv.com>
4891 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4894 2001-01-02 Richard Henderson <rth@redhat.com>
4896 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4898 2001-01-02 Andreas Jaeger <aj@suse.de>
4900 * c-decl.c (c_decode_option): Remove support of
4903 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4904 (W_options): Add -Wmissing-noreturn here.
4906 * flow.c: Define lang_missing_noreturn_ok_p.
4907 (check_function_return_warnings): Use it.
4909 * c-common.h: Declare lang_missing_noreturn_ok_p.
4911 * c-lang.c (c_missing_noreturn_ok_p): New function.
4912 (lang_init): Set lang_missing_noreturn_ok_p.
4914 * invoke.texi (Warning Options): Document this.
4916 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4918 * extend.texi (C++ Extensions): New node for C++ attributes;
4919 describe init_priority and com_interface.
4920 * invoke.texi: Remove -finit-priority as it now has zero effect.
4921 * install.texi: Fix xref syntax.
4922 * md.texi: Likewise.
4924 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4926 * config.gcc (sparc64-wrs-vxworks*): New case.
4927 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4929 * config/sparc/sparc.c (sparc_override_options): Do support different
4930 pointer and architecture size.
4931 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4932 (POINTERS_EXTEND_UNSIGNED): Define.
4933 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4934 (FUNCTION_MODE): Define to be Pmode.
4935 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4937 * function.c (expand_function_end): Properly handle DECL_RESULT
4938 and copy when ptr_mode != Pmode.
4939 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4941 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4943 * c-common.c (c_common_nodes_and_builtins): Set prototype
4944 parameters for __builtin_fputs, __builtin_fputc and
4945 __builtin_fwrite. Don't declare plain fputc as a builtin.
4947 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4949 * loop.c (add_label_notes): Increment the label usage count when
4950 a note is added to an insn which refers to a CODE_LABEL.
4951 * gcse.c (add_label_notes): Likewise.
4953 2001-01-01 Andreas Jaeger <aj@suse.de>
4955 * loop.c (scan_loop): Use xmalloc to allocate movables.
4957 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4959 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4960 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4961 * reload1.c (REGISTER_MOVE_COST): Likewise.
4962 * regclass.c (REGISTER_MOVE_COST): Likewise.
4963 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4964 dimension. Adjust all users.
4965 (init_reg_sets_1): Iterate on all modes.
4966 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4967 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4968 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4969 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4970 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4971 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4972 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4973 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4974 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4975 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4976 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4977 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4978 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4979 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4980 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4981 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4982 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4983 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4984 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4985 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4986 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4987 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4988 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4989 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4990 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4991 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4992 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4994 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4996 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4997 arg VARIES_P. Call it with extra arg.
4998 (true_dependence): Likewise.
4999 * rtl.h (rtx_addr_can_trap_p): Declare.
5000 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5002 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5003 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5004 pic offset table register if it's zero. All callers changed.
5005 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5007 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5009 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5010 STRING_POOL_ADDRESS_P.
5012 * config/sparc/sparc.c (input_operand): Properly test for short op.
5014 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5015 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5016 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5017 * config/sparc/elf.h: No longer include sol2.h.
5018 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5019 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5021 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5023 2001-01-01 Michael Hayes <mhayes@redhat.com>
5025 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5026 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5027 (record_initial): Likewise.
5028 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5029 (remap_split_bivs): Likewise.
5031 2001-01-01 Michael Hayes <mhayes@redhat.com>
5033 * loop.c (loop_ivs_free): New function.
5034 (strength_reduce): Break out from...
5036 2001-01-01 Michael Hayes <mhayes@redhat.com>
5038 * loop.h (struct iv): New.
5039 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5040 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5041 'reg_biv_class' fields with 'regs' and 'n_regs'.
5042 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5043 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5044 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5046 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5048 * resource.c (mark_referenced_resources): Abort() before
5049 attempting to mark a pseudo register.
5050 (mark_set_resources): Likewise.
5052 2001-01-01 Michael Hayes <mhayes@redhat.com>
5054 * loop.h (REG_IV_CLASS): New accessor macro.
5055 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5056 * unroll.c (REG_IV_CLASS): Likewise.
5058 See ChangeLog.4 for earlier changes.
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