1 2001-03-01 Zack Weinberg <zackw@stanford.edu>
3 * stringpool.c (set_identifier): New function.
4 * tree.h: Prototype it.
6 * c-parse.in: Kill D_YES. If compiled for objc, call
7 save_and_forget_protocol_qualifiers from init_reswords.
8 * objc/objc-act.c (remember_protocol_qualifiers,
9 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
10 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
12 (save_and_forget_protocol_qualifiers): New function.
13 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
15 2001-03-01 Diego Novillo <dnovillo@redhat.com>
17 * c-semantics.c (prune_unused_decls): Return error_mark_node
18 instead of (tree) 1 to stop traversing the tree chain.
20 2001-03-01 Bernd Schmidt <bernds@redhat.com>
22 Fix a problem introduced by Kenner's Feb 18 change.
23 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
24 flag_cse_skip_blocks only temporarily, not for ever.
26 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
28 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
29 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
31 * pa.c (emit_move_sequence): Verify operand0 is a hard register
32 before determining its register class.
34 2001-03-01 Bernd Schmidt <bernds@redhat.com>
36 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
37 from reg 4 if current_function_calls_setjmp.
38 (gen_nop_type): New function.
39 (ia64_emit_nops): New function.
40 (ia64_reorg): Call it.
41 (ia64_sched_reorder): Move code that rotates bundles up a bit.
43 * reload1.c (eliminate_regs_in_insn): Restrict the special case
44 code not to try to optimize adds with anything but a REG destination.
46 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
47 (INSN_PRIORITY_KNOWN): New accessor macro.
48 * haifa-sched.c (priority): Use it instead of testing priority against
51 2001-02-28 DJ Delorie <dj@redhat.com>
53 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
54 since that doesn't work the way gcc wants on a generic m68k.
56 2001-02-28 Richard Henderson <rth@redhat.com>
58 * caller-save.c (save_call_clobbered_regs): Fix typo in
59 comparison last change.
61 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
63 * i386.c (pentium4_cost): New.
65 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
66 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
67 x86_integer_DFmode_moves, x86_partial_reg_dependency,
68 x86_memory_mismatch_stall): Add Pentium4
69 (x86_use_q_reg, x86_use_any_reg): Kill.
70 (override_options): Add pentium4.
71 (incdec_operand): Return 0 for pentium4.
72 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
73 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
74 (TARGET_PENTIUM4): Define.
75 (enum processor_type): Add PROCESSOR_PENTIUM4.
76 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
77 * i386.md (attribute "cpu"): Add pentium4.
78 * invoke.texi (march): Add pentium4.
80 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
82 * i386.md (sse_mov?fcc*): New patterns and splitters.
83 * i386.c (ix86_expand_movcc): Work post-reload; recognize
84 the SSE based conditional moves.
86 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
88 * i386.md (attribute mode): Add "TI".
89 (movsf_1): Add pxor support; remove constant propagation splitter.
90 (movdf_integer): Likewise.
91 (movdf_nointeger): Likewise.
92 (movxf constant prop splitter): Handle all modes; update for SSE.
93 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
94 * i386.c (standard_80387_constant_p): Rewrite.
95 (standard_sse_constant_p): New.
96 * i386-protos.h (standard_sse_constant_p): New.
98 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
100 * i386.md (sse_setccsf, sse_setccdf): New.
101 (sse_cmp* patterns): Use '%D' instead of outputtting condition
103 * i386.c (sse_comparison_operator): Accept the supported unordered
104 comparses; be ready for fast_math.
105 (print_operand): Support 'D'.
107 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
109 * jump.c (reversed_comparison_code): Kill.
111 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
113 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
116 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
118 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
119 add missing '%' in constraints.
121 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
123 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
124 for HOST_BITS_PER_WIDE_INT == 32 too.
126 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
128 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
130 (insert_save, insert_restore): New parameter save_mode.
131 (init_caller_save): Update initialization of reg_save_code
132 and reg_restore_code.
133 (save_call_clobbered_regs): Compute save_modes and update calls to
134 reg_save_code and reg_restore_code.
135 (insert_restore): Unsignetize numbers; use save_modes to choose mode
136 of spill; update use of reg_restore_code.
137 (insert_save): Likewise.
138 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
139 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
140 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
142 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
144 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
145 noce_try_store_flag_inc, noce_try_store_flag_mask,
146 noce_try_cmove_arith):
147 Use reversed_comparison_code instead of reverse_comparison and
148 can_reverse_comparison_p.
150 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
152 * jump.c (reversed_comparison_code_parts): Allow reversal of
153 unordered compares in -ffast-math mode; reverse ordered compares
154 for FP even w/o -ffast-math.
156 2001-02-27 Richard Henderson <rth@redhat.com>
158 * print-rtl.c (print_rtx) [i]: Don't print field five on
159 NOTEs other than NOTE_INSN_DELETED_LABEL.
161 2001-02-27 Zack Weinberg <zackw@stanford.edu>
163 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
164 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
166 2001-02-27 Diego Novillo <dnovillo@redhat.com>
168 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
169 even if walk_subtrees is 0.
170 * c-semantics.c (prune_unused_decls): Return a non-null value to
171 stop traversing the tree chain.
173 2001-02-27 DJ Delorie <dj@redhat.com>
175 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
176 register, *then* define it as the new CFA.
178 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
180 * pa.c (override_options): Promote -fpic to -fPIC.
181 (legitimize_pic_address): Simplify due to removal of
182 small PIC as a code generation option.
183 (secondary_reload_class): Similarly.
184 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
185 (PRINT_OPERAND_ADDRESS): Similarly.
186 * pa.md (various patterns): Similarly.
187 (small pic lo_sum pattern): Remove.
189 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
192 * md.texi (min, max): Document
194 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
196 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
197 TARGET_PARTIAL_REG_DEPENDENCY.
198 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
200 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
202 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
204 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
206 * mips.c (mips_make_temp_file): Fix thinko in last change.
208 2001-02-26 Jason Eckhardt <jle@redhat.com>
210 * combine.c (known_cond): Do not reverse the condition when
211 SMAX/UMAX is being considered and the condition is for equality
214 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
216 2001-02-26 Philip Blundell <philb@gnu.org>
218 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
220 * config/arm/linux-elf.h: Remove historical relics related to
221 above configurations.
222 * config/arm/linux-oldld.h: Delete.
223 * config/arm/linux-elf26.h: Delete.
225 2001-02-26 Jason Merrill <jason@redhat.com>
227 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
229 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
230 recognize a tentative definition. Lose obsolete code.
232 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
233 variables unless necessary, either.
235 2001-02-25 Richard Henderson <rth@redhat.com>
237 * ifcvt.c (struct noce_if_info): Add test_bb.
238 (noce_get_alt_condition): New.
239 (noce_try_minmax, noce_try_abs): New.
240 (noce_operand_ok): New.
241 (noce_process_if_block): Use them.
242 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
244 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
246 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
249 2001-02-25 Zack Weinberg <zackw@stanford.edu>
251 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
252 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
254 (mips_asm_file_end): Free temp_filename here.
256 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
258 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
259 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
261 * config/i386/i386.md (movstrsi): Handle FAIL case.
263 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
265 * cppinit.c (builtin_array): Update.
266 (init_builtins): Flag builtins to warn if redefined or
267 undefined. Define __GXX_WEAK as a normal macro.
268 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
269 * cpplib.h (NODE_WARN): New flag.
270 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
271 Handle __STDC__ as a builtin only on Solaris.
272 (warn_of_redefinition): Renamed from check_macro_definition.
273 Reverse sense of test. Always warn if NODE_WARN.
274 (_cpp_create_definition): Use warn_of_redefinition. Flag
275 any macro beginning with "__STDC_" to require a mandatory
276 warning if redefined or undefined.
278 2001-02-24 Zack Weinberg <zackw@stanford.edu>
280 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
281 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
282 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
283 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
284 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
285 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
287 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
288 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
289 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
290 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
291 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
293 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
294 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
297 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
298 Delete now-empty file.
300 * alpha/vms.h: Define NEED_ATEXIT here...
301 * alpha/xm-vms.h: ...not here.
303 * i386/cygwin.h: Don't define PARAMS.
304 * mips/mips.c: Don't prototype mktemp. Don't define
305 P_tmpdir. Use make_temp_file to create temporary files.
306 Don't be clever and delete temporary files early.
307 * config.gcc: Drop references to deleted files. Don't define
309 * gcc.texi: Don't mention USE_PROTOTYPES.
311 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
313 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
314 (ix86_set_move_mem_attrs_1): Likewise.
315 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
316 * config/i386/i386.md (movstrsi): Call it.
318 2001-02-24 Zack Weinberg <zackw@stanford.edu>
320 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
321 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
322 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
323 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
325 (i750a-*-*): Error here if hosting on i750a.
326 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
328 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
329 Remove (empty modulo comments).
331 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
332 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
333 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
334 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
335 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
336 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
338 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
339 Remove reference to winnt.h in comment.
340 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
342 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
344 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
345 used to set another biv.
347 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
349 * tree.h (BLOCK_DEAD): New macro.
350 (struct tree_block): New flag, dead_flag.
351 * print-tree.c (print_node, case 'b'): Print missing fields.
352 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
353 * function.c (identify_blocks): Enable test for misplaced notes.
354 (all_blocks): Skip BLOCK_DEAD blocks.
355 * integrate.c (integrate_decl_tree): Likewise.
357 * errors.c (internal_error, trim_filename): New functions.
358 (fancy_abort): Call internal_error.
359 * errors.h (internal_error, trim_filename): New declarations.
361 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
363 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
365 (EXTRA_CONSTRAINT): Formatting changes.
367 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
369 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
371 2001-02-23 Per Bothner <per@bothner.com>
373 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
374 so they can be called from java/jvspec.c.
375 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
377 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
379 * i386.c (ix86_frame): New structure.
380 (ix86_compute_frame_size): Kill.
381 (ix86_compute_frame_layout): New.
382 (ix86_save_reg): New.
383 (ix86_can_use_return_insn_p): Use frame layout stuff.
384 (ix86_expand_prologue): Likewise.
385 (ix86_expand_epilogue): Likewise.
386 (ix86_initial_elimination_offset): Likewise.
387 (ix86_nsaved_regs): Use ix86_save_reg.
388 (ix86_emit_save_regs): Likewise.
390 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
392 * flow.c (find_sub_basic_blocks): New function.
393 (split_block): Be ready for basic block introduced by CODE_LABEL.
394 (commit_one_edge_insertion): Call find_sub_basic_block.
396 * flow.c (make_edges): Add edge from entry for blocks starting with
397 label having ALTERNATE_NAME
399 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
401 * function.c (epilogue_done): Be ready for first basic block not
402 containing PROLOGUE_END note.
403 (reposition_prologue_and_epilogue_notes): Avoid placing
404 PROLOGUE_END note between BASIC_BLOCK.
406 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
408 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
410 2001-02-21 DJ Delorie <dj@redhat.com>
412 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
413 check for current_function_has_nonlocal_goto from 1999-11-12.
415 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
417 * diagnostic.c (trim_filename): No longer static.
418 * toplev.h (trim_filename): Declare.
419 * rtl.c (rtl_check_failed_bounds): Call internal_error.
420 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
421 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
422 (rtvec_check_failed_bounds): Likewise.
423 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
425 * convert.c (convert_to_integer): Don't do unsigned unless result or
426 both inputs are unsigned.
428 * fold-const.c (fold_convert): Don't call size_int_type_wide if
431 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
433 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
435 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
437 * Makefile.in (resource.o): Add params.h dependence.
438 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
439 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
440 * resource.c: Add dependence on params.h.
441 (current_live_regs): Fix explanatory comment.
442 (find_basic_block): Add new parameter to permit limiting search
444 (mark_target_live_regs): Add new argument to find_basic_block call.
445 (incr_ticks_for_insn): Likewise.
447 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
449 * diagnostic.c (output_to_stream): Rename to
450 output_buffer_to_stream. Loses the stream parameter.
451 (init_output_buffer): Set diagnosic_buffer's stream.
452 (flush_diagnostic_buffer): Adjust.
453 (default_print_error_function): Likewise.
454 (finish_diagnostic): Likewise.
455 (verbatim): Likewise.
457 * diagnostic.h (struct output_buffer): Add `stream' field.
458 (output_buffer_attached_stream): New macro.
460 2001-02-23 Jakub Jelinek <jakub@redhat.com>
462 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
463 check if either operand is divisible by C.
464 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
465 If type is signed, consider negative numbers as well.
467 2001-02-22 Richard Henderson <rth@redhat.com>
469 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
470 reach .text instead of gp-relative relocs.
471 * config/ia64/crtend.asm (.init): Likewise.
473 2001-02-22 Andreas Jaeger <aj@suse.de>
475 * extend.texi (C++ Attributes): Fix typo.
477 2001-02-21 David Mosberger <davidm@hpl.hp.com>
479 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
480 functions, drop current_function_args_info.words test.
481 (ia64_compute_frame_size): Mark syscall_linkage functions as
482 using eight input registers.
484 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
485 Bruce Korb <bkorb@gnu.org>
487 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
488 * fixinc/README: Document how to convert sed substitutions
489 to format style c_fix-es.
490 * fixinc/fixincl.x: regen
492 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
494 * gcc.c: Add comment explaining how to add a command-line option.
495 Add title to specs language comment.
497 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
499 * gcc.c (cc1_options): Add "-param".
500 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
501 (option_map): Likewise.
502 * toplev.c (display_help): Add entry for "--param".
503 (independent_decode_option): Fix typographical error.
505 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
506 Bernd Schmidt <bernds@redhat.com>
507 Jan Hubicka <jh@suse.cz>
509 * i386.c (function_arg_advance): Pass SSE arguments in registers.
510 (function_arg): Likewise.
512 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
514 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
516 2001-02-21 Kazu Hirata <kazu@hxi.com>
518 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
522 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
524 * flow.c (init_propagate_block_info): Canon address and use single_set
525 for killing dead memory stores.
527 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
529 * Makefile.in (reorg.o): Add params.h dependence.
530 * params.def: Fix typographical error in comment.
531 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
532 * params.h: Modify introductory comment.
533 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
534 * reorg.c: Add dependence on params.h.
535 (redundant_insn): Add parameterized throttle for search.
536 (fill_simple_delay_slots): Add a comment explaining a variable.
537 Move conditional out of loop, simplifying code.
538 (fill_eager_delay_slots): Fix typographical error in comment.
540 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
542 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
544 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
545 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
547 2001-02-21 Jason Merrill <jason@redhat.com>
549 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
550 (struct tree_decl): Add uninlinable bitfield.
551 * c-decl.c (duplicate_decls): Set it.
552 * integrate.c (function_cannot_inline_p): Check it.
554 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
555 DW_AT_MIPS_linkage_name to abstract methods.
556 (dwarf2out_abstract_function): Emit class context before calling
557 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
558 (gen_subprogram_die): Remove obsolete code.
559 (gen_member_die): Don't include clones in the member list.
560 (gen_decl_die): Emit abstract info for clone origin.
561 * dwarfout.c (output_type): Don't include clones in the member list.
562 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
563 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
564 DECL_ABSTRACT on a function that already has it set.
566 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
567 (get_subprogram_die): Pass it in.
569 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
571 * flow.c (mark_set_1): Make not_dead unsigned long. For
572 non-pseudos, use it as a bitmask of the hard regs that
575 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
577 * cppfiles.c: Update comments.
578 (_cpp_read_file): Don't check for NULL filenames any more.
579 * cppinit.c (cpp_start_read): Don't do canonicalization of
580 in_fname and out_fname. Use the passed file name exclusively.
581 (_cpp_handle_options): Don't treat "-" as a command line option,
582 but as a normal filename.
583 (_cpp_post_options): Canonicalize in_fname and out_fname.
584 * cppmain.c (printer_init): Don't check out_fname for NULL.
585 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
586 (init_c_lex): Update, and use "" to represent stdin to CPP.
589 2001-02-20 Will Cohen <wcohen@redhat.com>
591 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
592 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
593 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
596 2001-02-20 Stan Shebs <shebs@apple.com>
598 * config/rs6000/rs6000.c (output_cbranch): Output branches
599 on separate lines instead of using ';' to separate.
601 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
603 * cppinit.c (set_lang): Move builtin handling to...
604 (init_builtins): ...here.
605 (_cpp_create_reader): Move call to set_lang.
607 2001-02-20 Mark Mitchell <mark@codesourcery.com>
609 * stmt.c (expand_return): If an attempt is made to return the
610 error_mar_node, treat the return like a return without a value.
612 2001-02-19 Zack Weinberg <zackw@stanford.edu>
614 * sibcall.c (skip_copy_to_return_value): Call
615 identify_call_return_value here, and return orig_insn if it
616 returns zero. Hardret and softret arguments now unnecessary.
617 (call_ends_block_p): Don't call identify_call_return_value here.
619 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
621 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
622 * ggc.h (ggc_mark_if_gcable): Delete prototype.
624 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
626 * pa.c (move_operand): Accept code to load the address of a
627 symbol out of the DLT as a valid move operand.
628 (print_operand, case 'A'): New to handle generating a DLT
629 reference for a LO_SUM expression.
630 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
631 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
633 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
635 * README, cpp.texi, gcc.texi, version.c: Update version number to
637 * cpp.1, gcov.1, gcc.1: Regenerate.
639 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
641 * cppfiles.c (stack_include_file): Generate dependencies
642 here, and manage include_count here too.
643 (PRINT_THIS_DEP): Delete.
644 (_cpp_execute_include): Do not generate dependencies here,
645 apart from the case of a missing header. Do not manage
647 (_cpp_read_file): Leave dependency generation to
650 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
652 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
653 target_cpu_default. Remove dead assignment to
656 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
658 * regclass.c (contains_reg_of_mode): Make global.
659 (init_reg_sets): Remove contains_reg_of_mode; take into account
660 CLASS_MAX_NREGS when looking for the proper mode.
661 (dump_regclass): Dump only classes considered for the pseudo.
662 (regclass): Use contains_reg_of_mode.
664 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
666 * gcc.c (do_spec_1): 'n' for printing notices.
667 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
669 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
671 * reg-stack.c (next_flags_user): Use current_block->end
672 (swap_rtx_condition): Look for next user if flags don't die;
673 give up on CALL_INSNs; use current_block->end.
675 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
677 * sibcall.c (call_ends_block_p): New function.
678 (optimize_sibling_and_tail_recursive_call): Use it.
680 2001-02-18 Kazu Hirata <kazu@hxi.com>
682 * config/h8300/h8300.md: Update copyright.
683 (andsi3): Do not output an extra newline character.
685 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
687 * toplev.c (note_deferral_of_defined_inlined_function): Argument
688 FNDECL may be unused.
690 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
691 follow jumps after first run.
692 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
693 it doesn't change any jumps.
695 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
697 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
698 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
699 (mostlyclean): Corresponding changes.
700 * rtlanal.c (hard-reg-set.h): Include.
701 (rtx_unstable_p): Do not treat the argument pointer specially
702 if it is not a fixed register.
703 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
705 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
707 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
708 against last real insn in basic block.
709 Rework to avoid gotos.
711 * Makefile.in (gcse.o): Now includes ggc.h.
712 * gcse.c: Include ggc.h.
713 (want_to_gcse_p): Verify expression can be in SET as valid insn.
714 (try_replace_reg): Remove warning of uninitialize variable.
715 (process_insert_insn): Call invalid_insn_p to validate insn.
716 * recog.c (insn_invalid_p): Now global.
717 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
718 * recog.h (insn_invalid_p): New declaration.
720 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
722 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
723 assignments from FP constants since 'Y' output code can't handle it.
724 (eligible_for_sibcall_delay): Likewise.
726 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
727 Call fancy_abort directly, passing args.
728 (print_rtl_and_abort): Now a macro, like fancy_abort.
730 * final.c (output_operand_lossage): Use internal_error, not error.
732 2001-02-18 Shane Nay <shane@agendacomputing.com>
734 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
735 structure shift insns.
737 2001-02-18 Mark Mitchell <mark@codesourcery.com>
739 * invoke.texi (-fsquangle): Remove documentation.
740 (-fname-mangling-version): Likewise.
742 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
744 * optabs.c (expand_abs): Remove reference to
745 HAVE_contitional_arithmetic.
746 * combine.c (simplify_set): Likewise.
748 2001-02-18 Richard Henderson <rth@redhat.com>
750 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
753 2001-02-18 Richard Henderson <rth@redhat.com>
755 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
757 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
759 * reload1.c (reload_cse_simplify_set): Fix typo.
761 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
763 * diagnostic.c (_fatal_insn): Decrement errorcount.
765 * invoke.texi (-I): Add note avoiding use for system header files.
767 * rtl.h (add_clobbers): Remove duplicate declaration.
768 * recog.h (added_clobbers_hard_reg_p): New declaration.
769 * genemit.c (struct clobber_pat): New field has_hard_reg.
770 (gen_insn): Record if added clobbers clobber hard reg.
771 (gen_split): Avoid unused warning if number of operands is 0.
772 (output_added_clobbers_hard_reg_p): New function.
775 2001-02-18 Alan Modra <alan@linuxcare.com.au>
777 * pa.c (hppa_expand_prologue): Simplify code storing return
778 pointer. For large (>=8k) frames with a post_store, adjust stack
779 pointer by 8k-64 first rather than by 64. When testing with
780 VAL_14_BITS_P, always use the actual value rather than the value
781 negated. Add blockage to prevent scheduling of spills before
782 stack frame has been created.
783 (hppa_expand_epilogue): Simplify code loading return pointer.
784 Allow a slightly larger range for merge_sp_adjust_with_load case.
785 When testing with VAL_14_BITS_P, always use the actual value.
787 * pa.c (pa_adjust_insn_length): Check that block move
788 pattern is a set before looking at operands.
790 2001-02-17 Mark Mitchell <mark@codesourcery.com>
792 * fold-const.c (fold_binary_op_with_conditional_arg): New
793 function, split out from ...
795 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
796 conditional arms that throw exceptions.
798 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
801 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
803 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
804 define HAVE_DECL_* to 1 to mask potential backup declarations.
805 * configure: Regenerated.
807 2001-02-17 Mark Mitchell <mark@codesourcery.com>
809 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
811 2001-02-17 Richard Henderson <rth@redhat.com>
813 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
814 when replacing a memory load with a register.
816 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
817 Jan Hubicka <jh@suse.cz>
819 * recog.c (validate_replace_src_1): New.
820 (validate_replace_src_data): Likewise.
821 (validate_replace_src): Use note_uses.
822 * rtl.h (note_uses): Declare.
823 * rtlanal.c (note_uses): New.
825 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
827 * reg-stack.c (stack_def): Make field reg unsigned.
828 (remove_regno_note): Unsignetize parameter.
830 2001-02-16 Jes Sorensen <jes@linuxcare.com>
832 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
833 shladd_operand() call.
835 2001-02-16 Bruce Korb <bkorb@gnu.org>
836 Rodney Brown <RodneyBrown@mynd.com>
838 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
839 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
841 * fixinc/fixincl.x: regen
843 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
845 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
847 (hash_scan_insn): Clean up calls to hash_scan_set.
848 (compute_kill_rd): REGNO now unsigned.
849 (try_replace_reg): Rework to use simplify_replace_rtx.
850 (cprop_jump, cprop_cc0_jump): Likewise.
851 (cprop_insn): Call find_reg_equal_equiv_note.
852 Reflect changes to cprop_jump and cprop_cc0_jump.
854 * recog.c (validate_replace_src): Replace in operands of
855 ZERO_EXTRACT in SET_DEST.
857 * cse.c (new_label_ref): New variable.
858 (insert): Set it instead of recorded_label_ref.
859 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
860 CODE_LABEL for this function, and not already in REG_LABEL note.
862 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
864 * resource.c (mark_referenced_resources): Fix typo in introductory
866 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
869 2001-02-16 Jason Merrill <jason@redhat.com>
871 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
873 (gen_subprogram_die): Don't abort on seeing a second definition if
874 the previous one was abstract. Don't replace an abstract instance
877 * dwarf2out.c (dwarf2out_abstract_function): Rename from
878 gen_abstract_function.
879 * dwarf2out.h: Declare it.
880 * toplev.c (note_outlining_of_inline_function): New fn.
881 * toplev.h: Declare it.
882 * integrate.c (output_inline_function): Call it.
883 * c-decl.c (duplicate_decls): Call it when redefining an extern
884 inline. Don't inline the new defn.
886 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
888 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
890 * .gdbinit: Rename to gdbinit.in.
891 * gdbinit.in: New file,
892 * configure.in: Generate .gdbinit from gdbinit.in.
893 * configure: Regenerated.
894 * Makefile.in (distclean): Always remove .gdbinit.
896 2001-02-16 Jakub Jelinek <jakub@redhat.com>
898 * objc/objc-act.c (start_class): Register implemented_classes with
901 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
903 * cppfiles.c (_cpp_make_system_header): Generate a file
906 2001-02-15 Jim Meyering <meyering@lucent.com>
908 * Makefile.in (install-common): Don't depend on installdirs here.
909 Instead, make each of the lang.install-common targets (e.g.,
910 c++.install-common in cp/Make-lang.in) depend on it.
911 (install-driver): Depend on installdirs.
913 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
915 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
917 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
920 2001-02-15 Mark Mitchell <mark@codesourcery.com>
922 * invoke.texi (--param): Document.
924 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
926 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
928 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
930 * i386.md (extendsfdf2_2): Fix constraints.
932 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
934 * i386.md (fop_df_3 splitter): Fix operand number.
936 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
938 * invoke.texi (-mreg-alloc): Nuke.
939 * i386.c (ix86_reg_alloc_order, regs_allocated,
940 order_regs_for_local_alloc): Nuke.
941 (override_options): Kill reg_alloc code.
942 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
943 (REG_ALLOC_ORDER): SSE goes before I387.
944 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
945 (ix86_reg_alloc_order): Likewise.
946 * i386-protos.h (ix86_reg_alloc_order): Kill.
948 2001-02-14 Richard Henderson <rth@redhat.com>
950 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
952 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
954 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
956 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
958 * i386-protos.h (ix86_memory_move_cost): Move offline.
959 * i386.c (ix86_register_move_cost): Compute properly cost of
960 SSE, MMX and i387 instructions.
961 (*_cost): Add costs of SSE/MMX moves.
962 (ix86_memory_move_cost): Move offline from ....; Likewise.
963 * i386.h (MEMORY_MOVE_COST): .... here;
964 (struct processor costs): Add new fields to represent costs
967 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
969 * regclass.c (init_reg_sets_1): Reinstall the optimization of
970 move_cost together with Matt Kraai's fix.
972 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
974 * Makefile.in (OBJS): Add params.o.
976 2001-02-14 Richard Henderson <rth@redhat.com>
977 DJ Delorie <dj@redhat.com>
979 * jump.c (jump_optimize_1): When we delete a conditional jump
980 preceeding a non-conditional jump to effectively the same place,
981 make sure that the combined jump skips any clobber insns between
984 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
986 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
988 2001-02-14 Mark Mitchell <mark@codesourcery.com>
990 * Makefile.in (toplev.o): Depend on params.h.
991 (intergate.o): Likewise.
992 (params.o): New target.
993 * flags.h (inline_max_insns): Remove.
994 * integrate.c: Include params.h.
995 Use MAX_INLINE_INSNS instead of inline_max_insns.
996 * params.c: New file.
997 * params.h: Likewise.
998 * params.def: Likewise.
999 * toplev.c: Include params.h.
1000 (lang_independent_params): New variable.
1001 (decode_f_option): Use the param machinery instead of setting
1003 (independent_decode_option): Handle "--param name=value".
1004 (main): Register language-independent parameters.
1006 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1008 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1010 2001-02-14 Richard Henderson <rth@redhat.com>
1012 * regclass.c (init_reg_sets_1): Revert last two changes.
1014 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1016 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1017 (variable_size): Call put_pending_size.
1018 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1019 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1020 sizes list, put newly created SAVE_EXPR there as well.
1022 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1024 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1025 (errata_find_address_regs): load_group has only 2 entries.
1026 (errata_emit_nops): Likewise. shladd is not problematic.
1027 Clear last_group if nop was emitted.
1028 (fixup_errata): load_group has only 2 entries.
1031 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1033 * c-lex.c (lex_number): Only warn traditionally for U suffix
1034 outside system macros.
1035 * cppexp.c (parse_number): Similarly.
1036 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1037 * cppmacro.c (struct cpp_macro): New member node.
1038 (parse_args): Only warn about missing rest args if not
1040 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1041 (cpp_sys_objmacro_p): New.
1042 (_cpp_create_definition): Store the node with the macro defn.
1043 Remember if the macro is defined in a system header.
1045 2001-02-13 DJ Delorie <dj@redhat.com>
1047 * configure.in (check_languages): determine languages to check
1048 * Makefile.in (check-c++): alias for check-g++
1049 (check-f77): alias for check-g77
1050 (CHECK_TARGETS): depend on configured languages
1052 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1054 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1055 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1056 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1057 (sqrtextendsfdf2): Disable for SSE2.
1059 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1061 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1062 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1063 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1064 (sqrtextendsfdf2): Disable for SSE2.
1066 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1068 * i386.md (movsfcc_1): Support integer cmove instruction.
1069 (movdfcc_1): Likewise; new splitter.
1071 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1073 * i386.c (output_fp_compare): Support SSE.
1074 (prepare_fp_compare_args): SSE comparisons always support memory.
1075 * i386.h (TARGET_CMOVE): SSE imply cmove.
1076 * i386.md (cmp?f2): Enable for SSE too.
1077 (cmpfp_i*): Support SSE.
1079 (cmpfp_i_sse_only): New.
1080 (s*, b* fp expanters): Enable for SSE too.
1081 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1084 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1086 * regclass.c (init_reg_sets_1): Silence warning.
1088 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1090 * i386.md (sqrt?f2): Change to expander.
1091 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1093 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1095 * rtlanal.c (find_reg_equal_equiv_note): New function.
1096 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1097 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1098 * rtl.h: Add declarations for above functions.
1100 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1102 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1104 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1105 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1106 * flow.c (mark_regs_live_at_end): Likewise.
1107 (calculate_global_regs_live): Likewise.
1108 * gcse.c (compute_hash_table): Likewise.
1109 (compute_kill_rd): Likewise.
1110 * resource.c (mark_target_live_regs): Likewise.
1111 * rtl.h (INVALID_REGNUM): New macro.
1113 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1115 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1117 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1119 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1122 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1124 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1126 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1127 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1128 (fop_sf_1_sse, fop_df_1_sse): New patterns
1129 (fop_*): Disable float_extend and float patterns for SSE compilation.
1130 * i386.c (output_387_binary_op): Support SSE.
1132 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1134 * i386.md (dummy_extendsfdf2): Support SSE2
1135 (extendsfdf2): Enable if 80387 or SSE2.
1136 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1137 and no MIX_I387_SSE2
1138 (extendsfdf2_1_sse_only): New pattern.
1139 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1141 (truncdfsf2_1): Support SSE.
1142 (truncdfsf2_2): Support SSE.
1143 (truncdfsf2_2_1_sse): New pattern.
1144 (fixtruncsfsi2): Always use SSE if available.
1145 (fix_truncsfsi_sse): New pattern.
1146 (fix_truncdfsi_sse): New pattern.
1147 (floatsis?f2): Support SSE.
1148 (floatsidf2_i387): New pattern.
1149 (floatsidf2_sse): Likewise.
1151 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1153 * configure.in: Use "have_gnat" variable, not "gnat".
1154 * configure: Regenerated.
1156 * config/sparc/sparc.c (function_value): Treat all non-record
1157 aggregate types like used to treat UNION_TYPE.
1159 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1161 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1162 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1164 (MASK_MIX_SSE_I387): New.
1165 (TARGET_SSE): SSE2 imply SSE.
1166 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1167 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1168 (enum reg_class): Add new classes.
1169 (REG_CLASS_NAMES): Likewise.
1170 (REG_CLASS_CONTENTS): Likewise.
1171 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1172 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1173 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1174 (CLASS_MAX_NREGS): Use new macros.
1175 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1176 * i386.md (pushsf, movsf): Support SSE.
1177 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1178 splitters to use ANY_FP_REGNO_P.
1179 (movdf_nointeger, movdf_integer): Likewise.
1181 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1183 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1184 (try_combine): Use it.
1186 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1188 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1189 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1190 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1191 (REGISTER_MOVE_COST): Likewise.
1192 * i386-protos.h (ix86_secondary_memory_needed,
1193 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1194 * i386.c (ix86_secondary_memory_needed,
1195 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1197 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1199 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1200 (HARD_REGNO_MODE_OK): Move offline to ....
1201 * i386.c (ix86_hard_regno_mode_ok) ... here;
1202 refuse all incorrect modes.
1203 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1205 2001-02-13 Richard Henderson <rth@redhat.com>
1207 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1208 entire operator; replicate that and match_dup the operands.
1209 (cmp_ccx_arith_op_set): Likewise.
1210 (cmp_cc_arith_op_not_set): Likewise.
1211 (cmp_ccx_arith_op_not_set): Likewise.
1213 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1215 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1217 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1219 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1220 (TARGET_NO_BITFIELD_WORD): New macro.
1221 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1222 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1224 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1226 * cselib.c: New file, from simplify-rtx.c.
1227 * simplify-rtx.c: Remove cselib parts.
1228 * Makefile.in: Add cselib.o.
1230 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1232 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1233 (setup_incoming_varargs): Remove warning.
1235 * config/rs6000/rs6000.c (validate_condition_mode): When
1236 flag_fast_math, allow floating-point conditionals to be reversed.
1237 (rs6000_generate_compare): When flag_fast_math, don't generate
1238 cror operations for FP conditionals.
1240 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1242 (ASM_SPEC): Likewise.
1243 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1244 (CC1_SPEC): Likewise.
1245 (LINK_TARGET_SPEC): Likewise.
1246 (CPP_ENDIAN_SPEC): Likewise.
1247 * Makefile.in (check-consistency): New target.
1249 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1251 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1252 "return type defaults" warning for functions with return type
1254 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1255 function declarations by default rather than only when pedantic.
1257 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1259 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1262 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1264 * extend.texi (Deprecated): Deprecate new initializer lists.
1266 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1268 * mkdeps.c (deps_add_default_target): Robustify. Add
1269 basename component only.
1270 * cpp.texi (-M): Describe how default target is generated.
1271 * invoke.texi (-M): Likewise.
1273 2001-02-12 Kazu Hirata <kazu@hxi.com>
1275 * toplev.c (push_float_handler): Remove.
1276 (pop_float_handler): Remove.
1277 * toplev.h: Remove prototypes for the above functions.
1279 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1281 * c-common.c (constant_fits_type_p): New function.
1282 (convert_and_check): Use it.
1284 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1286 * Makefile.in (GXX_ABI_FLAG): Don't define.
1287 * configure.in (--enable-new-gxx-abi): Remove option.
1288 * config.in: Regenerated.
1289 * configure: Likewise.
1291 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1293 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1295 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1296 regular basic block, and arrange for all edges into it to switch
1299 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1301 * Makefile.in (distclean): Do not remove .gdbinit.
1303 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1305 * Makefile.in (gcc.o): Fix typos.
1306 (protize.o): Likewise.
1307 (unprotoize.o): Likewise.
1309 2001-02-11 Richard Henderson <rth@redhat.com>
1311 * tree.c (build1): Check for null operand in last change.
1313 2001-02-11 Richard Henderson <rth@redhat.com>
1315 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1316 (fold): Don't assume a constant isn't foldable.
1317 * tree.c (build): Set TREE_CONSTANT for an expression with no
1318 side-effects and constant operands.
1321 2001-02-10 Richard Henderson <rth@redhat.com>
1323 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1325 2001-02-10 Anthony Green <green@redhat.com>
1327 * cpp.texi (Standard Predefined): Add documentation for
1330 * c-common.c (combine_strings): Improve warning message.
1332 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1334 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1336 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1338 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1340 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1343 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1345 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1348 2001-02-09 Nick Clifton <nickc@redhat.com>
1350 * config/arm/arm.md: Change output contraint on post inc
1351 load/store multiple patterns to be a read/write contraint.
1353 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1355 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1356 .o files when using the -M options.
1358 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1359 David Edelsohn <edelsohn@gnu.org>
1361 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1362 handle DImode constants. Use one TOC entry for SImode and smaller
1363 constants, aligned properly.
1365 2001-02-08 Jason Merrill <jason@redhat.com>
1367 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1368 about the SP adjustment for saving the static chain pointer.
1369 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1370 offset when setting a temporary CFA register.
1372 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1374 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1375 powerpc-*-chorusos* .
1376 * config/rs6000/chorus.h : New file.
1377 * config/i386/chorus.h : New file.
1378 * config/sparc/chorus.h : New file.
1379 * config/sparc/t-chorus-elf : New file.
1381 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1383 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1384 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1385 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1386 (__WCHAR_TYPE__): Correct macro name.
1388 2001-02-08 Richard Henderson <rth@redhat.com>
1390 * config/i386/i386.c (ix86_frame_pointer_required): New.
1391 (ix86_setup_frame_addresses): New.
1392 (struct machine_funciton): Add accesses_prev_frame.
1393 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1394 ix86_frame_pointer_required.
1395 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1396 (SETUP_FRAME_ADDRESSES): New.
1397 * config/i386/i386-protos.h: Update.
1398 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1399 from FRAME_POINTER_REQUIRED.
1400 * config/i386/svr3gas.h: Likewise.
1401 * config/i386/sysv3.h: Likewise.
1402 * config/i386/v3gas.h: Likewise.
1404 2001-02-08 Richard Henderson <rth@redhat.com>
1406 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1407 calculation of the number of integer registers required.
1408 (function_arg_record_value): Likewise.
1410 2001-02-08 Jason Merrill <jason@redhat.com>
1412 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1413 two. Print file and line with "confused" message.
1415 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1417 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1419 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1421 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1423 * final.c (cleanup_subreg_operands): The address of a MEM can
1426 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1429 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1431 * gcc.texi (Incompatibilities): Update documentation of
1432 preprocessing numbers.
1434 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1436 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1438 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1440 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1442 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1443 * gcc.c (struct compiler): Add cpp_spec field.
1444 (input_file_compiler): New variable.
1445 (do_spec_1): Allow a particular compiler to handle `%C'
1447 (main): Store the current compiler in input_file_compiler.
1448 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1450 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1452 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1453 * cppinit.c (cpp_create_reader): Initialize them.
1454 (append_include_chain): cxx_aware arg might be unused.
1455 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1456 keywords and give them their phase 7 meaning. Pedwarn about
1457 this unless '__bool_true_false_are_defined' is defined.
1459 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1461 * lcm.c (optimize_mode_switching): Emit mode_set before the
1462 JUMP_INSN of an abnormal edge.
1464 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1466 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1467 a scheduling barrier at the end.
1469 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1471 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1473 * config/sh/sh.md (reload_outsf): Removed.
1474 (movsf_ie): Introduce constraints for FPUL loads and stores.
1475 (reload_insf): Broaden the output constraint.
1477 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1479 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1480 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1482 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1484 * final.c: Revert my previous changes.
1485 * output.h: Make profile_label_no extern.
1486 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1487 for generating label.
1489 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1491 * config/i386/djgpp.h: Add comments about standard paths.
1492 (MD_EXEC_PREFIX): Undefine before defining.
1493 (MD_STARTFILE_PREFIX): New.
1495 2001-01-30 Bruce Korb <bkorb@gnu.org>
1497 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1498 (load_file): do not rely on load_file_data() to close file pointer
1499 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1500 fixinc/inclhack.def(irix_limits_const): add test_text
1502 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1504 * cppexp.c (parse_defined): Improve diagnostics for invalid
1507 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1509 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1511 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1513 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1514 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1515 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1516 (rs6000_output_symbol_ref): New function.
1517 (output_toc): Use VTABLE_NAME_P.
1519 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1521 * print-tree.c (print_node, case PARM_DECL):
1522 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1524 * stor-layout.c (reference_types_internal): New variable.
1525 (internal_reference_types): New function.
1526 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1527 * tree.h (internal_reference_types): New declaration.
1529 * cse.c (find_best_addr): Fix typo in computing cost.
1531 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1533 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1534 and this is the sum of a pointer and a constant, we know the result
1536 (num_sign_bit_copies, case PLUS): Likewise.
1537 * explow.c (convert_memory_address): Remove opposite SUBREG.
1538 * function.c (instantiate_new_reg): New function (from common code).
1539 (instantiate_virtual_regs_1): Call it.
1540 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1541 if pointers sign- or zero-extend.
1542 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1543 If pointers extend unsigned, use inside of SUBREG.
1544 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1546 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1548 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1549 subdir of gcc_gxx_include_dir.
1550 (gcc_gxx_target_include_dir): Remove.
1552 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1554 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1555 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1556 a high-level description.
1558 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1560 * final.c: Move the declaration of profile_label_no to ...
1561 * output.h: ... here.
1562 * function.c (expand_function_start): Call PROFILE_HOOK.
1563 * config/rs6000/aix.h: Define PROFILE_HOOK.
1564 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1565 * config/rs6000/rs6000.c (output_profile_hook): Define.
1566 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1567 output_profile_hook.
1568 tm.texi : Explain new macro PROFILE_HOOK.
1570 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1572 * extend.texi (Extended Asm): Do not say that semicolon is always
1573 a valid line-breaking character for GNU assemblers. Use
1574 newline-tab as the most commonly supported syntax. Use
1575 newline-tab rather than semicolon in multi-insn examples.
1577 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1579 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1581 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1582 David Edelsohn <edelsohn@gnu.org>
1584 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1585 code for AIX, even without flag_pic.
1587 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1589 * c-typeck.c (common_type): push and pop binding level around
1590 calling common_type on function parameters.
1592 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1594 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1596 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1598 * config/mips/mips.c (override_options): Fix typo in last change.
1599 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1600 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1602 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1604 * invoke.texi (-fdump-class-layout): Document.
1605 (-fdump-translation-unit): Use `=' as filename separator.
1607 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1609 * Makefile.in (s-mlib): Don't build multilibs if
1611 (DRIVER_DEFINES): Adjust accordingly.
1613 (protoize.o): Likewise.
1614 (unprotoize.o): Likewise.
1615 * configure.in: Recognize --enable-multilib.
1617 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1619 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1621 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1622 * configure.in: Remove --enable-libstdcxx_v3 support.
1623 * configure: Regenerated.
1625 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1627 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1628 Call abort instead of fatal.
1629 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1630 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1631 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1632 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1633 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1634 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1636 * diagnostic.h (set_internal_error_function): Renamed.
1637 * toplev.h (internal_error): Renamed from fatal.
1638 (pfatal_with_name): Deleted.
1639 (fatal_io_error): Now has printf-style arguments.
1640 * diagnostic.c (pfatal_with_name): Deleted.
1641 (fatal_io_error): Rework to have args in printf-style.
1642 (set_internal_error_function): Renamed from set_fatal_function.
1643 (internal_error): Renamed from fatal.
1644 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1645 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1646 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1647 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1648 * flow.c (verify_flow_info): Likewise.
1649 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1650 * config/mips/mips.c (save_restore_insns): Likewise.
1652 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1653 * flow.c (verify_flow_info): Likewise.
1654 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1655 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1656 (avr_normalize_condition): Likewise.
1657 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1658 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1659 (limit_reload_class, double_reg_to_memory): Likewise.
1660 (print_operand_address, emit_1600_code_shift): Likewise.
1661 (gen_tst_reg, gen_compare_reg): Likewise.
1662 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1663 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1665 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1667 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1668 * objc/objc-act.c (build_ivar_chain): Likewise.
1669 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1671 * graph.c (clean_graph_dump_file): Likewise.
1672 * profile.c (init_branch_prob): Likewise.
1673 * objc/objc-act.c (objc_init): Likewise.
1675 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1676 * config/avr/avr.c (avr_override_options): Likewise.
1677 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1678 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1679 * config/h8300/h8300.c (h8300_init_once): Likewise.
1680 * config/mips/mips.c (override_options): Likewise.
1681 * config/i386/i386.c (override_options): Likewise, rework.
1682 * config/m68k/m68k.c (override_options): Likewise.
1684 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1686 * config/mips/mips.c (print_operand): Likewise.
1687 * hash.c (hash_allocate): Don't check for failure returns from
1688 obstack functions that can't fail.
1689 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1690 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1691 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1692 (get_object_reference): Likewise.
1694 2001-02-04 Nick Clifton <nickc@redhat.com>
1696 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1697 StrongARM1110, 10TDMI, and 1020T.
1699 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1701 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1703 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1705 * config/sh/sh.md (movdf load split): Pass register number to
1706 FP_OR_XD_REGISTER_P.
1708 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1710 * cppinit.c (BC): New macro.
1711 (builtin_array): Add __GXX_WEAK__.
1712 * cpplib.h (builtin_type): Add BT_WEAK.
1713 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1714 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1715 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1717 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1719 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1721 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1723 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1724 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1726 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1728 * cpphash.h: Rename ALIGN _ALIGN.
1729 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1731 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1733 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1734 compilation environment.
1735 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1736 control over location of cygwin includes and libs.
1738 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1740 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1742 2001-02-02 lars brinkhoff <lars@nocrew.org>
1744 * md.texi (Standard Names): remove reference to spur.md.
1746 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1748 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1749 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1750 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1751 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1752 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1754 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1756 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1757 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1758 number before reload.
1759 (c4x_adjust_cost): Return zero before reload.
1760 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1761 split before reload.
1763 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1765 * c4x.c (c4x_hard_regno_rename_ok): New.
1766 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1767 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1769 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1771 * diagnostic.h: Add missing "extern" in all declarations.
1773 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1775 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1776 as for gcc_gxx_include_dir.
1778 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1780 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1782 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1784 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1785 label before alignment to be used as the braf base address.
1786 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1788 (casesi_jump_2): Require at least TARGET_SH2.
1790 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1791 truncation to 32-bit doubles on -m3e and -m4-single-only.
1793 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1795 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1796 the default when building a shared object.
1797 (init_spec): Use it.
1798 * testsuite/lib/g++.exp: Include the directory where libgcc
1799 is located to the LD_LIBRARY_PATH list.
1800 * invoke.texi (-shared-libgcc): Document the cases in which
1801 GCC defaults to using the shared libgcc.
1803 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1805 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1806 unsigned is wide enough.
1808 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1809 (si_to_float): Likewise.
1810 (float_to_si, float_to_usi): Use BITS_PER_SI.
1812 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1814 * dwarf2out.c: Added explanation of abbreviations.
1815 (def_cfa_1): Added comments listing DWARF2 instructions.
1816 (cfa_temp_reg): Removed in favor of cfa_temp.
1817 (cfa_temp_value): Removed in favor of cfa_temp.
1818 (cfa_temp): New global variable.
1819 (dwarf2out_frame_debug_expr): Added extensive introductory
1820 comments explaining the function's transformations. Revised to
1821 use cfa_temp. Added some rtx checking. Generalize IOR case.
1822 (dwarf2out_frame_debug): Revised to use cfa_temp.
1823 (output_aranges): Cast as "unsigned" to avoid warning.
1824 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1825 explain which instructions must be marked.
1827 2001-02-01 Richard Henderson <rth@redhat.com>
1829 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1832 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1834 * config/sh/crt1.asm (main_k): Modified so that start calls
1835 ___setup_argv_and_call_main.
1837 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1839 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1840 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1841 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1842 * cppmacro.c (builtin_macro): Set builtin flags here.
1843 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1844 (replace_args): Clarify intent.
1845 (cpp_get_token): Macro expansion tokens get the saved flags.
1847 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1850 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1852 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1855 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1857 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1858 returns Pmode pseudo, but we need ptr_mode.
1859 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1860 Remove bogus conversions; use HOST_WIDE_INT for size.
1861 Don't use TARGET if wrong mode.
1863 * config/i386/i386.c (ix86_compute_frame_size): Allow
1864 stack_alignment_needed to be non-default even if size is zero.
1866 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1868 * (hppa_init_pic_save): Emit the pic offset table
1869 reg save after last_parm_insn.
1870 * pa.c (hppa_init_pic_save): New function.
1871 * pa.h (hppa_init_pic_save): Declare.
1872 * pa.md (call, call_value, sibcall, sibcall_value): Use
1873 the above instead of duplicated code.
1875 * pa.c (hppa_encode_label): Correct size of alloca buffer
1876 so we don't overrun it. Correct leading `*' case.
1877 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1878 need to handle `*@'.
1879 (FUNCTION_NAME_P): Likewise.
1881 2001-01-31 Richard Henderson <rth@redhat.com>
1883 * config.gcc (alpha-osf5): Use float-i128.h.
1885 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1886 * config/float-i32.h: Likewise.
1887 * config/float-i64.h: Likewise.
1888 * config/float-sh.h: Likewise.
1889 * config/float-sparc.h: Likewise.
1891 2001-01-31 DJ Delorie <dj@redhat.com>
1893 * expmed.c (extract_bit_field): allow non-integral modes if we
1894 want to extract a whole register from itself.
1896 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1898 * c-typeck.c (set_init_index): If first is equal to last, assume as
1899 if it was not a range at all.
1901 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1903 * config/fp-bit.c: Include tm.h.
1904 (float_to_si): Don't assume SImode is 32-bits wide.
1905 (float_to_usi): Likewise.
1907 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1909 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1911 (typename): Call pending_xref_error after parsing typed_typespecs.
1912 * c-decl.c (lookup_tag): Give error immediately rather than
1913 leaving it pending if the tag of the wrong type is in the same
1915 (xref_tag): Don't pedwarn for forward declarations of enum types
1917 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1920 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1922 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1924 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1926 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1927 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1929 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1931 * cpphash.h (struct cpp_reader): New saved_flags.
1932 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1933 to avoid a paste after a pasted token.
1935 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1937 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1938 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1939 Wtype_MIN instead of LONG_MIN.
1941 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1943 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1945 * fixinc/fixincl.x: Regenerated.
1946 * fixinc/inclhack.def (irix_limits_const): New definition to
1947 convert "const" to "__const" in limits.h.
1949 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1951 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1953 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1955 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1956 when register dies in the insn.
1958 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1960 * diagnostic.c (fatal): Fix word wrap.
1962 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1964 * combine.c (try_combine): Fix SUBREG setting for
1965 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1967 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1969 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1972 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1974 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1976 * toplev.c (decode_W_option): Update warn_larger_than
1977 unconditionally for each processed switch.
1979 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1981 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1983 (hppa_expand_prologue): Delete code to save pic offset table register
1984 in the function prologue.
1985 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1986 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1987 table register at the beginning of the function after the prologue.
1989 2001-01-29 lars brinkhoff <lars@nocrew.org>
1991 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1993 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1994 Jeff Law <law@redhat.com>
1996 * pa.md (return): Revise comment for trivial return.
1997 (return_internal): Non-trivial return pattern for non-PIC code.
1998 (return_internal_pic): Non-trivial return pattern for PIC code.
1999 It uses the PIC register to ensure it is restored after
2001 (epilogue): Generate appropriate return for PIC and non-PIC code.
2003 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2005 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2007 2001-01-29 DJ Delorie <dj@redhat.com>
2009 * combine.c (if_then_else_cond): Pass the correct mode to
2010 operand_subword() for constants.
2012 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2014 * config/i386/cygwin.h: Add w32api to include search. Search different
2015 directories in a cross-build environment.
2017 2001-11-29 Tim Josling <tej@melbpc.org.au>
2019 * tree.h (TYPE_STUB_DECL): Add documentation.
2021 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2023 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2024 (sdbout_field_types): Likwise. Fix use of host_integerp.
2026 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2028 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2031 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2033 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2034 to use flag_gnu_linker.
2036 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2038 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2039 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2041 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2043 * tree.c, tree.h (build_parse_node): Remove; was identical to
2045 * c-lang.c (start_cdtor), objc/objc-act.c
2046 (build_module_descriptor): Use build_nt instead of
2049 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2051 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2052 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2053 not have any upper bits set.
2055 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2057 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2059 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2061 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2063 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2065 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2066 (integer_minus_one_node): Define.
2068 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2070 * Makefile.in (bootstrap2-lean): Fix typo.
2072 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2074 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2075 : Don't set fe_value.
2076 * cpplib.h (AVOID_LPASTE): New flag.
2077 (struct cpp_hashnode): Remove fe_value.
2078 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2079 * cppmacro.c (builtin_macro): Don't set flags here.
2080 (replace_args): Set AVOID_LPASTE flag on first token of an
2081 argument, and the token following it.
2082 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2083 macro expansion, and on the token following it. Do it for
2085 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2087 2001-01-27 Richard Henderson <rth@redhat.com>
2089 * config/alpha/t-ieee: Remove multilibbing.
2090 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2092 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2094 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2096 * Makefile.in: Remove all dependencies on defaults.h.
2097 * builtins.c: Don't include defaults.h.
2098 * c-common.c: Likewise.
2099 * c-decl.c: Likewise.
2100 * c-pragma.c: Likewise.
2101 * c-typeck.c: Likewise.
2102 * combine.c: Likewise.
2104 * frame-ia64.c: Likewise.
2105 * cppexp.c: Likewise.
2106 * crtstuff.c: Likewise.
2107 * dbxout.c: Likewise.
2108 * dwarf2out.c: Likewise.
2109 * dwarfout.c: Likewise.
2110 * emit-rtl.c: Likewise.
2111 * except.c: Likewise.
2113 * final.c: Likewise.
2114 * frame-dwarf2.c: Likewise.
2115 * libgcc2.c: Likewise.
2116 * optabs.c: Likewise.
2117 * profile.c: Likewise.
2118 * sdbout.c: Likewise.
2119 * toplev.c: Likewise.
2120 * tradcif.y: Likewise.
2122 * varasm.c: Likewise.
2124 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2126 * builtins.c (expand_builtin_fputs): Use size_one_node when
2127 transforming into fwrite.
2129 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2131 * extend.texi (Attribute Syntax): New section.
2133 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2135 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2136 they didn't need fixing.
2138 2001-01-27 Janis Johnson <janis@us.ibm.com>
2140 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2142 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2143 to remove macro definitions that are duplicated from elfos.h.
2145 2001-01-27 Richard Henderson <rth@redhat.com>
2147 * config/i386/sco5gas.h: Move ...
2148 * config/usegas.h: ... here.
2149 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2151 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2153 * c-typeck.c (struct constructor_stack): Add range_stack member.
2154 (really_start_incremental_init): Clear it.
2155 (push_init_level): Save constructor_range_stack and clear it if
2156 pushing explicit braces.
2157 (pop_init_level): abort if constructor_range_stack is non-zero at
2158 explicit closing brace. Restore saved constructor_range_stack if
2161 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2163 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2164 into register was forced into memory.
2166 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2168 * Makefile.in: Remove uses of + before $(MAKE).
2170 2001-01-26 Richard Henderson <rth@redhat.com>
2172 * stmt.c (cost_table): Remove.
2173 (COST_TABLE, cost_table_initialized): New.
2174 (estimate_case_costs): Use the later instead of the former.
2175 (balance_case_nodes): Likewise.
2177 2001-01-26 Richard Henderson <rth@redhat.com>
2179 * alias.c (objects_must_conflict_p): Read-only slots may not
2180 conflict despite having the same type.
2182 2001-01-27 Michael Hayes <mhayes@redhat.com>
2184 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2186 (check_ext_dependant_givs): Initialise u_start_val and
2188 (load_mems): Make last_max_reg unsigned.
2189 (try_swap_copy_prop): Use INSN_P and initialise set.
2191 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2193 * README.AVR : Removed.
2195 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2197 * pa-64.h (text_section): Remove declaration.
2199 * pa.md (return_internal): Remove mode on PIC register use.
2201 2001-01-25 lars brinkhoff <lars@nocrew.org>
2203 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2204 ASM_CLOSE_PAREN): fix typos.
2206 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2208 * acconfig.h: Define `const' to the empty string if neither
2209 __STDC__ nor __cplusplus is defined.
2210 * config.in: Regenerated.
2212 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2214 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2215 * collect2.c (main): Delete importf. Add ".obj" file extension.
2216 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2217 (aix_std_libs): Add additional AIX libraries to skip.
2218 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2219 * config/rs6000/aix51.h: New file.
2221 2001-01-25 Michael Hayes <mhayes@redhat.com>
2223 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2224 (loop_insn_emit_before): No longer static.
2225 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2226 (loop_givs_rescan, load_mems): Likewise.
2227 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2228 (maybe_eliminate_biv_1):
2229 (move_movables): Replace emit_call_insn_before with
2230 loop_call_insn_hoist.
2231 * loop.h (loop_insn_emit_before): Add.
2232 * unroll.c (copy_loop_body): Replace emit_insn_before with
2233 loop_insn_emit_before.
2235 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2237 * diagnostic.c (fatal): Request preprocessed source.
2239 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2241 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2242 olddecl has argument types and newdecl has none, use the argument
2245 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2247 * dwarf2out.c (prefix_of): New function. Determine longest common
2248 prefix of the two arguments. The units are whole path components.
2249 (output_file_names): When adding a new directory find the one entry
2250 with the longest common prefix already in the list. Artificially
2251 generate entry if there is none for this prefix.
2252 Fix test to check whether the zeroth directory entry is used.
2254 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2256 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2257 Changed all callers. Take it into account when deciding if a
2258 previously loaded value matches.
2260 2001-01-24 Richard Henderson <rth@redhat.com>
2262 * reload.c (find_reloads_subreg_address): Fail the substitution
2263 if the resulting address is insufficiently aligned.
2265 2001-01-24 DJ Delorie <dj@redhat.com>
2267 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2268 check the original operand's mode also.
2269 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2271 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2273 * c-parse.in (cast_expr): Move compound literals from here ...
2274 (primary): ... to here. Use standard terminology "compound
2275 literal" instead of "constructor expression".
2277 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2279 * gcc.1, cpp.1: Regenerate.
2281 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2283 * calls.c (emit_library_call_value_1): Memory slot for
2284 pass-by-reference argument should have the mode of the argument,
2285 not of the pointer to it.
2287 2001-01-24 Tom Tromey <tromey@redhat.com>
2289 * gcc.texi (G++ and GCC): Mention gcj manual.
2290 (Standards): Link to section of manual mentioning gcj/Java
2293 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2295 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2296 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2297 * tradcpp.c (main): Add -imacros or -include'd dependencies
2299 * cpp.texi (-M, -MM): Document -M -include behaviour.
2301 2001-01-24 Roger Collins <roger@ProProject.com>
2303 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2305 2001-01-24 Will Cohen <wcohen@redhat.com>
2307 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2308 whether registers are 32 bits or 64 bits in size.
2310 2001-01-24 Ben Elliston <bje@redhat.com>
2312 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2314 2001-01-24 Richard Henderson <rth@redhat.com>
2316 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2317 (builtin_longjmp): Use it instead of emit_indirect_jump.
2319 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2321 * bb-reorder.c (make_reorder_chain_1): Handle case where
2322 jump edge goes to the same block as the fallthru edge.
2324 2001-01-23 Jim Wilson <wilson@redhat.com>
2326 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2327 * frame.h (__ia64_personality_v1): Add prototype.
2328 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2329 prototype form. Add void * cast to first argument to personality
2331 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2332 (asctoe113): Likewise.
2333 * config/ia64/frame-ia64.c: Include eh-common.h.
2334 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2336 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2338 (itanium_split_issue): Add prototype.
2339 (gen_nop_type): Ifdef out.
2340 (find_best_packet): Initialize best_packet.
2341 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2343 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2344 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2345 (flushrs): Add explicit stop bit at end.
2346 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2349 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2351 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2353 * libgcc2.c (__terminate_func): Make variable static.
2354 (__terminate_set_func): New function to set __terminate_func.
2355 * libgcc2.h (__terminate_func_ptr): New typedef.
2356 (__terminate_set_func): New function.
2358 2001-01-23 Richard Henderson <rth@redhat.com>
2360 * flow.c (init_propagate_block_info): Don't consider unchanging
2361 memories for dead frame store elimination.
2363 2001-01-23 Richard Henderson <rth@redhat.com>
2365 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2366 * defaults.h: ... here.
2368 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2370 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2372 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2374 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2376 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2378 * rs6000.h (rs6000_return_addr): Move prototype from here...
2379 * rs6000-protos.h (rs6000_return_addr): ...to here.
2380 (rs6000_init_expanders): Delete prototype.
2382 2001-01-23 Nick Clifton <nickc@redhat.com>
2384 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2385 (Spec Files): Document %B and %j and %. and %v3 and %M and
2386 %{S*&T} spec switches.
2388 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2390 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2392 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2393 Neil Booth <neil@daikokuya.demon.co.uk>
2395 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2396 Have -Werror make pedantic warnings errors, like the
2399 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2401 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2403 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2405 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2406 * integrate.c (expand_inline_function): Initialize them.
2407 (subst_constants): If changing COMPARE so that both its arguments
2408 will be VOIDmode and the comparison mode will be lost, note
2409 compare_mode. Use the recorded compare_mode to optimize
2412 2001-01-23 Jason Merrill <jason@redhat.com>
2414 * dwarf2out.c (new_die): Use xcalloc.
2415 (output_die): Abort rather than emit a local reference to offset 0.
2417 2001-01-17 Andrew Haley <aph@redhat.com>
2419 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2420 of a saved register; return NULL instead.
2421 (copy_reg): Take a pointer to a source register rather than a
2423 (next_stack_level): Remember the address in the stack frame of all
2425 Use the saved register pointer array as the source of the CFA.
2426 (throw_helper): Rewrite. Unwind once rather than twice and keep
2427 track of saved registers as we go.
2429 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2431 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2432 * c4x.c (c4x_legitimize_reload_address): Remove.
2433 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2434 reload address for ldp(k) insn.
2436 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2438 * pa.md (return_internal): Add a USE of the PIC register to ensure
2439 it is restored after each call.
2440 (return expander): Corresponding changes.
2442 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2444 * rs6000.h (INIT_EXPANDERS): Delete.
2445 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2446 * rs6000.c (rs6000_override_options): Call *_machine_status from
2448 (rs6000_init_expanders): ...instead of here. Delete.
2449 (rs6000_mark_machine_status): New function.
2450 (rs6000_init_machine_status): Use xcalloc.
2451 (rs6000_return_addr): Generate RTX for the return address.
2452 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2453 (rs6000_stack_info): Use it.
2455 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2457 * gthr-win32.h: Include errno.h to get a declaration for
2458 EINVAL and _mingw.h if the target is mingw32.
2460 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2462 * cpp.texi: Correct typos.
2464 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2466 * explow.c (probe_stack_range): Ensure value passed to
2467 stack_check_libfunc is ptr_mode, not Pmode.
2469 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2471 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2472 case, don't use operand_subword to calculate a SUBREG that is
2475 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2477 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2479 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2480 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2481 valid. If not replace it by equivalent insns.
2483 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2485 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2486 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2487 (c4x_U_constraint, symbolic_address_operand): Likewise.
2488 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2490 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2491 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2492 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2493 anulling slot because of silicon bug.
2494 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2496 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2498 * cppexp.c (parse_charconst): Change `mask' type to agree
2501 2001-01-21 Richard Henderson <rth@redhat.com>
2503 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2504 pic_label_name in a linkonce section.
2506 2001-01-17 Philipp Thomas <pthomas@suse.de>
2508 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2510 * configure: Regenerate.
2512 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2514 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2515 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2517 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2519 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2520 If REVERSE nonzero then condition code in X must be reversed.
2521 (encode_section_info): Optimise if/else.
2522 (avr_function_value): Fix formatting.
2524 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2525 (difficult_branch): Likewise.
2526 (rvbranch): Likewise.
2527 (difficult_rvbranch): Likewise.
2529 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2531 * config/avr/libgcc.S: Fix comment.
2533 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2535 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2537 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2539 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2541 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2543 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2544 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2545 * configure, config.in: Regenerate.
2546 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2547 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2548 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2549 (doprint.o): New rule.
2551 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2553 * c-typeck.c (digest_init): Handle boolean types as scalars.
2555 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2557 * stmt.c (expand_return): Don't return anything if size is zero.
2558 Delete redundant assignment to BYTES.
2559 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2561 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2563 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2564 the same as the default library function names.
2565 * config/avr/avr.md: Document special characters after '%'.
2566 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2567 knowing which of the call-used registers are really clobbered.
2568 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2569 New. Both quotient and remainder from one libgcc.S call.
2570 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2571 clobber as few registers as possible.
2572 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2574 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2576 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2577 context of the top of the stack.
2579 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2581 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2582 (fixup_var_refs_insns): ...here.
2584 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2586 * function.c (fixup_var_refs_insns): Break up into
2587 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2588 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2589 [loop over hash table entries].
2590 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2591 fixup_var_refs_insns_with_hash, to match above changes.
2593 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2595 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2596 (libgcc.a): Likewise.
2597 (stmp-multilib): Likewise.
2598 (STAGE2_FLAGS_TO_PASS): Likewise.
2600 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2602 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2603 temporary if no_new_pseudos.
2605 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2607 * cppinternals.texi: Update.
2609 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2611 * arm.c (arm_init_builtins): Re-enable builtins.
2613 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2615 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2616 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2617 element to be null, and always expect an EXPR_LIST.
2618 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2619 * sched-deps.c (sched_analyze_1): Likewise.
2620 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2622 * regclass.c (max_set_parallel): New variable.
2623 (reg_scan): Take it into account in computation of max_parallel.
2624 (reg_scan_mark_refs, case SET): Compute it.
2626 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2628 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2629 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2631 2001-01-19 Jason Merrill <jason@redhat.com>
2633 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2634 for the abstract instance of an inline function.
2636 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2637 J"orn Rennecke <amylaar@redhat.com>
2639 * reload1.c (move2add_note_store): Treat all registers directly or
2640 indirectly derived from a base register as members of the same set
2642 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2643 of base register into account.
2645 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2647 * alias.c (find_base_value): Recognize TRUNCATE.
2648 (record_set): In PLUS case, invalidate if other summand is also a
2651 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2653 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2654 entry to be EXPR_LIST.
2655 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2656 be an EXPR_LIST (but not null, which other code doesn't allow).
2657 (note_stores): Properly handle PARALLEL in SET.
2658 Recursively call for top-level PARALLEL.
2659 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2660 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2662 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2664 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2666 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2667 not pfile->skipping (== 0).
2669 2001-01-17 Nick Clifton <nickc@redhat.com>
2671 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2674 2001-01-17 Jim Wilson <wilson@redhat.com>
2676 * invoke.texi (IA-64 options): Improve.
2678 2001-01-17 Tom Tromey <tromey@redhat.com>
2680 * invoke.texi (Optimize Options): Use `{}' to around @samp
2683 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2685 * invoke.texi (-fno-guess-branch-probability): New option.
2687 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2689 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2690 case of making new double-word constant.
2691 Revert last change: instead just test i3_subst_into_i2.
2693 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2695 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2696 Use q constraints instead of r.
2698 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2700 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2701 (machine_function): Define.
2702 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2703 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2704 pa_free_machine_status): New functions.
2705 (override_options): Set {init,mark,free}_machine_status to above.
2706 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2707 PIC_OFFSET_TABLE_REGNUM_SAVED.
2708 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2709 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2710 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2711 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2712 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2714 2001-01-15 DJ Delorie <dj@redhat.com>
2716 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2720 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2722 * flow.c (propagate_on_insn): Make trying to delete a prologue
2723 or epilogue insn an ICE, not a warning. Allow doing this if
2724 the current function returns with stack pointer depressed.
2726 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2727 I3 having more than one SET.
2729 2001-01-16 Jim Wilson <wilson@redhat.com>
2731 * invoke.texi: Document IA-64 options.
2733 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2734 (fixup_errata): Delete TARGET_A_STEP use.
2735 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2736 (TARGET_SWITCHES): Delete -ma-step option.
2737 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2738 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2739 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2740 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2741 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2742 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2744 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2745 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2746 cmovsi_internal): Delete ! TARGET_A_STEP check.
2748 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2750 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2751 possibility to report bugs via postal mail. Change a URL and
2752 merge in a nearly duplicate statement...
2753 (Bug Reporting): ...from here.
2754 (Service): Refer to the Bug Reporting section instead of
2756 (Contributing): Remove trivial explanations concerning snapshots.
2758 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2760 * cppmain.c (general_init): Don't use ANSI prototype.
2762 2001-01-16 Tom Tromey <tromey@redhat.com>
2764 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2766 2001-01-16 Richard Henderson <rth@redhat.com>
2768 * config/i386/i386.h: Fix comment typo.
2769 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2770 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2772 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2774 * gcc.c: Revert previous -fsyntax-only-related change; move
2777 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2779 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2780 inmode after checking GET_CODE (op).
2782 2001-01-16 Richard Henderson <rth@redhat.com>
2784 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2785 (MAX_MEM_SET_LIST_LEN): New.
2786 (propagate_one_insn): Update mem_set_list_len.
2787 (invalidate_mems_from_autoinc): Likewise.
2788 (invalidate_mems_from_set): Likewise.
2789 (mark_used_regs): Likewise.
2790 (init_propagate_block_info): Likewise. Stop collecting memories
2791 when we reach MAX_MEM_SET_LIST_LEN.
2792 (mark_set_1): Likewise.
2794 2001-01-16 Richard Henderson <rth@redhat.com>
2796 * unroll.c (precondition_loop_p): Fail if no iteration
2799 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2801 * gcc.c: When -fsyntax-only is given, do not complain about
2804 2001-01-15 Richard Henderson <rth@redhat.com>
2806 * config/i386/i386.c (asm_output_function_prefix): Remove.
2807 (ix86_asm_file_end): New.
2808 (load_pic_register): Generate pic_label_name into a
2809 staticly allocated buffer.
2810 * config/i386/i386-protos.h: Update.
2811 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2812 (ASM_FILE_END): New.
2813 * config/i386/i386afe.h: New file.
2814 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2815 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2816 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2817 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2818 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2819 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2820 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2822 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2824 * Makefile.in (install-man): Remove explicit dependency on
2827 * configure.in, configure: Revert previous patch requiring perl
2830 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2832 * toplev.c (flag_guess_branch_prob): New.
2833 (f_options): Add guess-branch-probability option.
2834 (rest_of_decl_compilation): Only estimate branch probability if
2836 (main): set flag_guess_branch_prob.
2838 * flags.h (flag_guess_branch_prob): New.
2840 2001-01-15 DJ Delorie <dj@redhat.com>
2842 * gcc.texi (Makefile): Add documentation for Makefile targets.
2844 2001-01-15 Philip Blundell <philb@gnu.org>
2846 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2848 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2849 (is_pic): Delete declaration.
2850 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2851 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2852 * config/arm/arm.md (builtin_setjmp_receiver): New.
2854 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2856 * arm.c (use_return_insn): Don't try to determine the function type
2857 until after reload has completed.
2858 (arm_output_epilogue): Don't adjust the sp value recovered from the
2860 (emit_multi_reg_push): Don't record dwarf information for the pc.
2861 * arm.md (eh_epilogue): The function type may have changed, so it
2862 needs to be recalculated.
2863 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2864 unwind tables on arm/netbsd.
2866 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2868 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2869 (negated_cbranchsi4): Likewise.
2871 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2873 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2874 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2875 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2876 pass -mapcs-* options to assembler.
2877 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2878 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2879 (ASM_SPEC): Call subtarget_extra_asm_spec.
2881 2001-01-15 Andreas Jaeger <aj@suse.de>
2883 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2885 (ix86_expand_builtin): Likewise.
2887 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2888 warning about comparison between signed and unsigned.
2890 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2892 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2894 2001-01-14 Ralf Baechle <ralf@gnu.org>
2896 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2897 SUBTARGET_CPP_SPEC apropriatly.
2899 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2901 * varasm.c (make_decl_rtl): Fix typo in last change.
2903 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2905 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2906 linker supports the init_priority C++ attribute.
2907 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2908 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2909 linker does not support init_priority C++ attribute.
2911 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2913 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2915 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2917 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2918 * cp/lex.c (finish_parse): Similarly.
2919 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2920 Return the number of errors encountered.
2921 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2922 * cppmain.c (main): Don't call cpp_destroy.
2924 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2926 * configure.in: Require at least perl 5.6.0 to regenerate
2928 * configure: Regenerate.
2930 2001-01-14 Richard Henderson <rth@redhat.com>
2932 * genrecog.c (DT_veclen_ge): New.
2933 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2934 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2935 (nodes_identical_1): Handle DT_veclen_ge.
2936 (write_cond, debug_decision_2): Likewise.
2938 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2940 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2942 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2944 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2946 * cppmain.c (do_preprocessing): New function; most of the old
2948 (main): Call it to do most of the work.
2949 (cb): Move from global scope to set_callbacks ().
2950 (setup_callbacks): Get the callback pointer.
2951 (general_init, printer_init): Clean up code and comments.
2953 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2955 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2958 2001-01-14 Kazu Hirata <kazu@hxi.com>
2960 * config/h8300/h8300.c (get_shift_alg): Update comments.
2962 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2964 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2965 (alloc_page, ggc_alloc): Add casts to remove warnings.
2967 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2969 * combine.c (simplify_comparison): Don't change `code' when
2970 can't reverse comparison.
2972 2001-01-14 Richard Henderson <rth@redhat.com>
2974 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2975 update all call sites. Return true for all non-label constants.
2977 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2979 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2981 (ix86_expand_branch): Update.
2982 (ix86_expand_setcc): Update to handle multiple test conditions.
2983 (expand_int_movcc): Likewise.
2984 (expand_fp_movcc): Likewise.
2985 * i386-protos.h (ix86_expand_compare): New.
2986 * i386.md (andqi_?_slp, orqi_?_slp): New.
2987 (conditional trap expander): Update call to ix86_expand_compare.
2989 2001-01-14 Richard Henderson <rth@redhat.com>
2991 * config/vax/vax.md: Use nonimmediate_operand instead of
2992 general_operand in destinations.
2994 * config/vax/vax.md (indirect_jump): Use register_operand.
2996 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2997 * config/vax/vax.md (call_pop): Turn into an expander.
2998 (call_value_pop): Likewise.
2999 (call, call_value): New.
3001 2001-01-14 Andreas Jaeger <aj@suse.de>
3003 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3005 (ix86_fp_compare_mode): Add unused attribute.
3006 (ix86_expand_fp_movcc): Remove unused variable.
3007 (ix86_expand_builtin): Make fcode unsigned.
3009 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3010 (expand_expr): Add cast to avoid signed warning.
3011 (store_field): Likewise.
3012 (store_constructor_field): Likewise.
3013 (store_constructor): Likewise.
3014 (store_expr): Likewise.
3015 (clear_storage): Likewise.
3016 (emit_group_store): Likewise.
3017 (emit_group_load): Likewise.
3019 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3021 * c-common.c: Move format checking code to ...
3022 * c-format.c: ... here. New file. Reorder some functions and
3024 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3026 * c-common.h (decl_handle_format_attribute,
3027 decl_handle_format_arg_attribute): Declare.
3028 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3029 (c-common.o): Adjust dependencies.
3030 (c-format.o): New list of dependencies.
3032 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3034 * unroll.c (loop_iterations): If we cannot prove iteration variable
3035 is set once in each iteration, punt.
3037 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3039 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3040 (*strlenhi): Remove clobber (which was buggy) of output address.
3042 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3044 * Makefile.in (generated-manpages): Add gcc.1
3045 ($(srcdir)/gcc.1): New target.
3046 (maintainer-clean): Delete $(srcdir)/gcc.1.
3047 * gcc.texi: Add macros @gccoptlist and @gol.
3048 * invoke.texi: Include option summary in manpage. Mark up option
3049 summary with @gccoptlist and @gol. Use @r in one place where
3051 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3052 * gcc.1: Generate from invoke.texi.
3054 2001-01-13 Richard Henderson <rth@redhat.com>
3056 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3057 (struct page_entry): Add group member.
3058 (struct page_group): New.
3059 (struct globals): Add page_groups member.
3060 (alloc_anon): Only define for using mmap; remove valloc call.
3061 (page_group_index): New.
3062 (set_page_group_in_use): New.
3063 (clear_page_group_in_use): New.
3064 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3065 (free_page, release_pages): Likewise.
3066 * configure.in (with-gc): Default to ggc-page always.
3068 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3070 * reload1.c (replace_pseudos_in_call_usage): Use
3071 reg_equiv_constant and reg_equiv_address, and don't try
3072 regno_reg_rtx first.
3074 2001-01-13 Richard Henderson <rth@redhat.com>
3076 * ggc-page.c (alloc_page): Round up allocation size to one page.
3077 Set e->order on extra pages.
3079 2001-01-13 Richard Henderson <rth@redhat.com>
3081 * genrecog.c (nodes_identical): Expand commentary.
3082 (write_switch): Watch out for identical nodes.
3084 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3086 * cppfiles.c (_cpp_fake_include): New function.
3087 * cpphash.h (_cpp_fake_include): New.
3088 * cpplib.c (do_line): Call _cpp_fake_include when entering
3089 header files in preprocessed input.
3090 * cppmain.c (cb_pragma_implementation): Remove handling.
3091 (setup_callbacks): Don't register pragmas.
3093 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3095 * extend.texi: Udate for CPP.
3097 2001-01-13 Andreas Jaeger <aj@suse.de>
3099 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3101 * regmove.c: Add prototype for replace_in_call_usage.
3103 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3105 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3106 struct cpp_chunk, struct htab, struct toklist,
3107 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3108 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3109 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3110 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3111 (struct macro_args): Delete.
3112 * cpphash.h: See above.
3114 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3116 * cppmain.c (struct printer): Remove no_line_dirs.
3118 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3119 : Use options rather than CPP_OPTION.
3120 (setup_callbacks): Use cb rather than pfile->cb.
3121 (main): No need to check for a buffer. Use cpp_errors.
3122 (printer_init): Don't set no_line_dirs.
3123 (maybe_print_line): Use options not no_line_dirs.
3124 (cb_file_change): Don't call print_line if -P.
3126 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3128 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3130 * c-parse.in (finish_parse): Use cpp_errors.
3131 (__yylex): Use return value of cpp_pop_buffer.
3132 * cp/lex.c (finish_parse): Use cpp_errors.
3133 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3135 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3137 * README.AVR: URLs corrected.
3139 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3141 * c-decl.c (start_function): Don't warn if old prototype is builtin
3142 that's not in C's namespace.
3143 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3144 (_bb): Add prototype for ctime.
3145 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3147 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3149 * i386.c (ix86_fp_comparison_arithmetics_cost,
3150 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3151 ix86_fp_comparison_cost): New functions.
3152 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3153 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3154 two-branch sequences; make static.
3155 (ix86_use_fcomi_compare): Do decision according to the costs.
3156 (split_fp_branch): New.
3157 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3158 * i386-protos.h (ix86_expand_fp_compare): Remove
3159 (ix86_split_fp_branch): Declare.
3161 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3162 and ix86_comparison_operator.
3164 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3167 * i386.c (put_condition_code): Output properly the unordered/ordered
3168 compares in fp case.
3169 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3171 * tm.texi (REVERSE_CONDITION): Document.
3172 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3173 in -ffast-math mode.
3174 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3176 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3178 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3180 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3183 * config/sh/sh.c (mova_p): Fix test for mova_const.
3185 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3187 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3188 cpp_get_options rather than dereferencing pfile and using
3190 * scan-decls.c (scan_decls): Use return value of
3191 cpp_pop_buffer rather than CPP_BUFFER.
3193 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3195 * cppinit.c (cpp_handle_option): help_only is now part of the
3196 cpp_options structure.
3197 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3198 cpp_set_callbacks): New functions.
3199 * cpplib.h (cpp_callbacks): Break out as a named structure.
3200 (cpp_options): Move help_only here from cpp_reader.
3201 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3202 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3203 cpp_set_callbacks): New prototypes.
3204 * cppmain.c (main): Update for help_only.
3206 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3208 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3209 Also build and remove and install and uninstall c-tree.info and
3211 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3212 ($(srcdir)/cppinternals.info): New target.
3213 * c-tree.texi: Change file name used when makeinfo used without -o
3214 from ir.info to c-tree.info. Add info directory entry.
3215 * cppinternals.texi: Add info directory entry.
3216 * .cvsignore: Update.
3218 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3220 * c-typeck.c (store_init_value): Don't require constant initializer
3221 elements with -pedantic -std=c99.
3222 (digest_init): Change error about non-constant initializer elements
3224 (constructor_range_end): Remove.
3225 (constructor_incremental, designator_depth,
3226 designator_errorneous): New variables.
3227 (struct constructor_stack): Remove range_end, add incremental.
3228 (struct constructor_range_stack, constructor_range_stack): New.
3229 (struct initializer_stack): Add constructor_range_stack.
3230 (finish_init): Set it.
3231 (start_init): Likewise. require_constant_elements for non-static
3232 trees only if not flag_isoc99.
3233 (really_start_incremental_init): Remove constructor_range_end, add
3234 constructor_incremental.
3235 (pop_init_level): Likewise.
3236 (push_init_level): Likewise. If implicit and the subobject had some
3237 value set already, preinitialize the level with it.
3238 Warn about missing braces only if not pushing due to designators.
3239 (set_designator, push_range_stack): New functions.
3240 (set_init_label): Use them.
3241 (set_init_index): Likewise. Remove constructor_range_end.
3242 Error if designator index is outside of array bounds.
3243 (add_pending_init): Compare values of purpose index trees, not the
3244 trees themselves. Allow overwriting of already initialized element.
3245 Issue a warning if it had side-effects.
3246 (set_nonincremental_init, set_nonincremental_init_from_string): New
3248 (pending_init_member): Rename to...
3249 (find_init_member): ...this function. Call set_nonincremental_init
3250 if necessary. Compare values of purpose index trees, not the trees
3251 themselves. Return the actual value, not just non-zero if something
3253 (output_init_element): Remove checks for duplicates.
3254 If field has zero size, only check the initializer for correctness.
3255 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3256 if constructor_incremental is zero. Change error about initializers
3257 not computable at load time into pedwarn.
3258 (output_pending_init_elements): Compare bit positions, not
3259 FIELD_DECLs to take into account zero-sized fields.
3260 (process_init_element): Use constructor_range_stack to fill all
3261 ranges in the designator lists from current level up.
3262 * extend.texi: Update documentation for labeled elements.
3264 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3266 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3267 to function usage for arguments passed by reference. Optimize
3268 callee-copied arguments.
3269 * regmove.c (replace_in_call_usage): New function.
3270 (fixup_match_1): Call it.
3271 * cse.c (cse_insn): Canonicalize registers in function usage.
3272 * reload1.c (replace_pseudos_in_call_usage): New function.
3275 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3278 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3280 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3283 2001-01-12 DJ Delorie <dj@redhat.com>
3285 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3286 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3289 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3291 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3292 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3293 -std options alongside references to -ansi. Update some
3294 documentation for C99.
3295 * cpp.1: Regenerate.
3297 2001-01-12 Andreas Jaeger <aj@suse.de>
3299 * haifa-sched.c (restore_line_notes): Remove argument block B
3301 * sched-ebb.c (schedule_ebb): Change caller.
3302 * sched-rgn.c (schedule_region): Likewise.
3303 * sched-int.h (restore_line_notes): Adjust prototype.
3305 * loop.h: Remove wrong declaration of doloop_condition_get.
3307 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3309 * extend.texi: Move C++-extension-related node from the C section
3310 into the C++ section.
3312 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3314 * extend.texi: Refer to an array of pointers to functions instead
3315 of one of functions.
3317 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3318 Jan Hubicka <jh@suse.cz>
3320 * combine.c (reversed_comparison): Fix typo in last patch.
3322 (combine_reversed_comparison_code): Make static to follow
3323 prototype declaration.
3325 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3327 * install.texi: Remove misplaced duplicate entry.
3329 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3331 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3333 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3335 * final.c: (leaf_function_p): Fix typo.
3337 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3339 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3340 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3342 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3343 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3344 mmap_anon, and valloc is available.
3345 * ggc-page.c: Restructure ifdef logic to match new autoconf
3346 spec. Don't throw away the test page in init_ggc.
3348 * configure, config.in: Regenerate.
3350 2001-01-12 Michael Hayes <mhayes@redhat.com>
3352 * loop.h (total_biv_increment): Constify iv_class pointer.
3353 (struct induction): Replace `mem_mode' with `mem' rtx.
3354 * unroll.c (total_biv_increment): Constify iv_class pointer.
3355 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3356 (find_mem_givs, combine_givs_p): Likewise.
3357 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3359 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3361 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3363 (__gthread_getspecific): Ditto.
3365 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3367 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3368 put_condition_code): Convert fp comparison codes to integer
3370 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3373 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3374 * i386-protos.h (no_comparison_operator): Kill.
3376 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3378 * combine.c (REVERSIBLE_CC_MODE): Remove.
3379 (reversible_comparison_p): Remove.
3380 (combine_reversed_comparison_code): New.
3381 (reversed_comparison): New.
3382 (combine_simplify_rtx): Use
3383 combine_reversed_comparison_code/reversed_comparison instead
3384 of reversible_comparison_p.
3385 (simplify_if_then_else): Likewise.
3386 (simplify_set): Likewise.
3387 (simplify_logical): Likewise.
3388 (if_then_else_cond): Likewise.
3389 (known_cond): Likewise.
3390 (simplify_comparison): Likewise.
3392 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3394 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3395 sizeof (int) is larger than sizeof(__word__).
3397 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3399 * cppinit.c (do_includes): Fix typo.
3401 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3403 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3404 in S_REGS does not occur because not all sources are possible
3405 when a S_REGS is a destination (sometimes needs a clobber).
3406 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3407 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3408 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3409 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3410 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3411 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3412 (lshrdi_const1, lshrsi3_const16): Likewise.
3413 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3414 (*movhi_68hc12, *movqi_68hc12): Likewise.
3415 (movstrictqi): Make sure reloading in D_REGS as a destination
3418 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3420 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3422 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3424 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3425 -D, -U and -A, and don't initialize the builtins.
3426 (do_includes): Error if -include or -imacros with -fpreprocessed.
3427 * cppmain.c (cb_define, cb_undef): Unconditionally process
3429 * tradcpp.c (main): Fix typo.
3431 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3433 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3434 (read_name_map): Use IS_ABSOLUTE_PATH.
3435 * tradcpp.c (get_filename): Likewise.
3437 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3439 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3440 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3441 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3442 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3443 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3444 (cmphi_z_used): Don't use '@' for the output.
3445 (tstqi_z_used): Likewise.
3446 (cmpqi_z_used): Likewise.
3447 (one_cmplsi2): Likewise.
3449 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3451 * config/sh/sh.c (barrier_align): Recognize branch around far
3452 branch and redundant insn.
3454 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3456 * invoke.texi: Restore documentation of the drivers' switches -MD
3459 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3461 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3463 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3464 check-objc//%): Support parallel testing of multilibs.
3465 (TESTSUITEDIR): Set to testsuite by default, but override for
3467 (check-gcc, check-g++, check-g77, check-objc): Enter
3470 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3472 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3473 * sched-deps.c (deps_may_trap_p): Likewise.
3474 * basic-block.h: Remove a comment.
3475 * flow.c (PROP_POSTRELOAD): Remove.
3476 (update_life_info): Don't add it to prop_flags.
3477 (mark_set_1): Lose the code that was enabled by it.
3479 2001-01-11 Michael Hayes <mhayes@redhat.com>
3481 * flow.c (flow_call_edges_add): New.
3482 * basic_block.h (flow_call_edges_add): New.
3484 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3486 * reload1.c (move2add_note_store): Update reg_set_luid even if
3487 base reg remains the same.
3489 2001-01-10 Nick Clifton <nickc@redhat.com>
3491 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3492 machine_function structure to zero.
3493 Add prototypes for machine_status functions.
3495 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3497 * c-common.h (CTI_VOID_LIST): Remove.
3498 (void_list_node): Likewise.
3499 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3500 (void_list_node): New macro.
3501 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3502 * config/i386/i386.c (ix86_init_builtins): Likewise.
3503 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3505 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3507 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3508 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3510 * tradcpp.c: Include mkdeps.h.
3511 (deps, print_deps_phony_targets, deps_append, output_deps,
3512 init_dependency_output, output_deps): New.
3513 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3514 deps_output): Delete.
3515 (print_deps_missing_files): Rename deps_missing_files.
3516 (inhibit_output): Make global.
3517 (main): Delete inhibit_output, deps_stream, deps_target.
3518 Use mkdeps functionality in the same way as cpplib. Remove
3519 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3520 -M and -MM. Remove old handling of deps via deps_out, and
3521 old reading of environment variables.
3522 (get_filename): Update to use deps_add_dep.
3524 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3526 * output.h (make_function_rtl): Remove prototype.
3527 (make_decl_rtl): Likewise.
3528 * varasm.c (make_function_rtl): Remove.
3529 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3530 than from a third parameter.
3531 * tree.h (make_decl_rtl): Remove last parameter.
3532 * c-decl.c (builtin_function): Remove last argument in call to
3533 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3534 (start_function): Likewise.
3535 * except.c (call_get_eh_context): Likewise.
3536 * expr.c (emit_block_move): Likewise.
3537 (clear_storage): Likewise.
3538 * profile.c (output_func_start_profiler): Likewise.
3539 * toplev.c (rest_of_decl_compilation): Likewise.
3540 * objc/objc-act.c (create_builtin_decl): Likewise.
3541 (synth_module_prologue): Likewise.
3542 (generate_static_reference): Likewise.
3543 (build_selector_reference_decl): Likewise.
3544 (build_class_reference_decl): Likewise.
3545 (build_objc_string_decl): Likewise.
3546 (build_protocol_reference): Likewise.
3548 2001-01-10 Richard Henderson <rth@redhat.com>
3550 * hwint.h: Revert yesterday's change.
3552 2001-01-10 Nick Clifton <nickc@redhat.com>
3554 * function.h (save_machine_status): Delete.
3555 (restore_machine_status): Delete.
3556 Amend comment describing {init|mark|free}_machine_status.
3558 * function.c (save_machine_status): Delete.
3559 (restore_machine_status): Delete.
3560 Amend comment describing {init|mark|free}_machine_status.
3561 (push_function_context_to): Remove invocation of
3562 save_machine_status.
3563 (pop_function_context_from): Remove invocation of
3564 restore_machine_status.
3566 * emit-rtl.c (init_emit_once): Amend comment describing
3567 {init|mark|free}_machine_status.
3569 * tm.texi (Per-Function Data): New node. Describe the
3570 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3573 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3575 * cppinit.c (OPT_g): Remove.
3576 (cpp_handle_option): Update for removed -g3.
3577 (print_help): Update.
3578 * cpplib.h (struct cpp_options): Remove debug_output.
3579 * cppmain.c (setup_callbacks, cb_define): Update.
3580 * gcc.c (cpp_options): Translate -g3 to -dD.
3582 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3584 * config/i960/i960.md: Change modifier to + on the zero_extract
3585 pattern after the (rotate -2 reg) canonicalization pattern.
3587 2001-01-10 Richard Henderson <rth@redhat.com>
3589 * config/alpha/alpha.c (alpha_free_machine_status): New.
3590 (override_options): Install it.
3591 (alpha_mark_machine_status): Verify machine non-null.
3592 * config/i386/i386.c (ix86_free_machine_status): New.
3593 (override_options): Install it.
3594 (ix86_init_machine_status): Use xcalloc.
3595 (ix86_mark_machine_status): Verify machine non-null.
3596 * config/ia64/ia64.c (ia64_free_machine_status): New.
3597 (ia64_override_options): Install it.
3598 (ia64_mark_machine_status): Verify machine non-null.
3600 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3602 * function.c (instantiate_virtual_regs): Instantiate virtual
3603 registers found in CALL_INSN_FUNCTION_USAGE.
3605 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3607 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3608 equivalent to -ansi in disabling -Di386.
3610 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3612 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3614 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3616 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3618 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3620 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3622 * invoke.texi: Document that -fcond-mismatch isn't supported for
3625 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3627 * gcc.texi: Define macro gcctabopt.
3628 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3629 @command, @env and @option in some places where appropriate. Use
3630 @gcctabopt where appropriate. Put URLs and email addresses inside
3633 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3635 * gcc.c (cpp_options): Set MD file name from output
3636 filename, if specified.
3637 (suffix_subst): New static variable.
3638 (do_spec): Clear it.
3639 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3641 (give_switch): Handle suffix_subst.
3643 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3645 * invoke.texi: Fix another typo.
3647 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3649 * invoke.texi: Fix typo.
3651 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3653 * c-lang.c (lang_hooks): Update.
3654 (lang_decode_option): Remove.
3655 (lang_init_options): Rename c_init_options.
3656 * toplev.c (main): Use lang_hooks for lang_init_options
3657 and lang_decode_option.
3658 * toplev.h (lang_hooks): Add 2 new hooks.
3659 * tree.h: Remove lang_init_options and lang_decode_option.
3660 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3661 * cp/decl2.c: Similarly.
3662 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3663 (lang_hooks): Update.
3664 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3666 (lang_init_options): Rename ffe_init_options.
3667 (lang_hooks): Update.
3668 (lang_decode_option): Remove.
3669 * java/lang.c (lang_init_options): Rename java_init_options.
3670 (lang_decode_option): Rename java_decode_option.
3671 (lang_hooks): Update.
3672 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3673 (lang_decode_option): Rename objc_decode_option.
3674 (lang_hooks): Update.
3676 2001-01-09 Nick Clifton <nickc@redhat.com>
3678 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3679 (d30v_return_addr_rtx): Delete.
3680 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3681 cfun->machine structure.
3682 (struct machine_function): Move to d30v.h
3683 (d30v_save_machine_status): Delete.
3684 (d30v_restore_machine_status): Delete.
3685 (d30v_init_machine_status): New Function.
3686 (d30v_mark_machine_status): New Function.
3687 (d30v_free_machine_status): New Function.
3688 (d30v_init_expanders): Use new functions.
3689 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3690 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3691 d30v_return_addr_rtx.
3693 * config/d30v/d30v.h (struct_machine): Move here.
3694 Add eh_epilogue_sp_ofs field.
3696 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3697 field in cfun->machine structure.
3699 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3701 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3702 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3703 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3705 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3707 * objc/lang-options.h: Remove bogus reference to
3710 2001-01-09 Kazu Hirata <kazu@hxi.com>
3712 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3715 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3717 * reload.c (find_reloads_address): Check for eliminable registers
3718 when substituting a constant expression for a pseudo.
3720 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3722 * c-common.c (enum format_type): Add format_type_error.
3723 (decode_format_type): New function.
3724 (decl_attributes): Use it.
3725 (format_kind_info): Adjust comment.
3727 2001-01-09 David O'Brien <obrien@BSDi.com>
3729 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3730 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3732 * config/i386/gnu.h: Don't include required platform specific .h files,
3733 tm.h will do it instead.
3734 * config/i386/i386elf.h: Likewise.
3735 * config/i386/linux.h: Likewise.
3736 * config/i386/moss.h: Likewise.
3737 * config/mips/gnu.h: Likewise.
3739 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3741 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3742 (rs6000-ibm-aix3.[01]*): Likewise.
3743 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3744 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3745 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3746 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3747 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3748 (powerpc-*-eabiaix*): Likewise.
3749 (powerpc-*-eabisim*): Likewise.
3750 (powerpc-*-elf*): Likewise.
3751 (powerpc-*-eabi*): Likewise.
3752 (powerpc-*-rtems*): Likewise.
3753 (powerpc-*-linux*libc1): Likewise.
3754 (powerpc-*-linux*): Likewise.
3755 (powerpc-wrs-vxworks*): Likewise.
3756 (powerpcle-wrs-vxworks*): Likewise.
3757 (powerpcle-*-sysv*): Likewise.
3758 (powerpcle-*-elf*): Likewise.
3759 (powerpcle-*-eabisim*): Likewise.
3760 (powerpcle-*-eabi*): Likewise.
3761 (powerpcle-*-solaris2*): Likewise.
3762 * config/rs6000/aix31.h: Delete includes.
3763 * config/rs6000/aix3newas.h: Likewise.
3764 * config/rs6000/aix41.h: Likewise.
3765 * config/rs6000/aix43.h: Likewise.
3766 * config/rs6000/beos.h: Likewise.
3767 * config/rs6000/rtems.h: Likewise.
3768 * config/rs6000/sysv4.h: Likewise.
3770 2001-01-09 Kazu Hirata <kazu@hxi.com>
3772 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3773 Change an argument mode of machine_mode to shift_mode of
3774 shift_mode. Remove an extra error check.
3775 (emit_a_shift): Adopt to the new calling prototype of
3777 (function_prologue): Fix code for a monitor
3778 function. Support H8/S.
3779 (function_epilogue): Do not output pop for a monitor function.
3781 2001-01-09 Nick Clifton <nickc@redhat.com>
3783 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3784 (setup_incoming_varargs): Use sysv_varargs_p field of the
3785 cfun->machine structure.
3786 (struct machine_function): Move to rs6000.h
3787 (rs6000_save_machine_status): Delete.
3788 (rs6000_restore_machine_status): Delete.
3789 (rs6000_init_machine_status): New Function.
3790 (rs6000_free_machine_status): New Function.
3791 (rs6000_init_expanders): Use new functions.
3793 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3795 (struct machine_function): Move here.
3797 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3798 sysv_varargs_p field of the cfun->machine structure.
3800 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3802 (rs6000_restore_machine_status): Remove prototype.
3804 2001-01-09 Richard Henderson <rth@redhat.com>
3806 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3807 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3808 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3809 (sched_analyze_2, sched_analyze_insn): Likewise.
3810 (sched_analyze, init_deps): Likewise.
3811 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3812 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3813 (compute_block_backward_dependences): Update propagate_deps call.
3815 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3817 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3819 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3821 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3822 (cpp_handle_option): Handle them.
3823 (cpp_post_options): Ensure one of -M or -MM is specified with
3824 any other -M? option.
3825 (init_dependency_output): Suppress output with -MG.
3827 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3830 * invoke.texi: Update.
3832 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3834 * sh.md (reload_outsf): Generate recognizable patterns for
3837 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3839 * c-lang.c (lang_hooks): Update.
3840 (lang_init): Rename c_init.
3841 (lang_finish): Remove.
3842 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3844 * toplev.h (lang_hooks): Add init () and finish ().
3845 * tree.h (lang_init, lang_finish): Remove.
3846 * cp/tree.h (lang_init, lang_finish): Remove.
3847 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3848 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3850 (lang_init, lang_finish): Remove.
3851 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3852 (lang_hooks): Update.
3853 * java/lang.c (lang_init): Rename java_init.
3854 (lang_finish): Remove.
3855 (lang_hooks): Update.
3856 * objc/objc-act.c (lang_init): Rename objc_init.
3857 (lang_finish): Remove.
3858 (lang_hoooks): Update.
3860 20001-01-09 Graham Stott <grahams@redhat.com>
3862 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3863 after `ptr` is initialised.
3865 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3867 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3868 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3869 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3870 stack adjusts, instead of r3.
3872 2001-01-09 Michael Hayes <mhayes@redhat.com>
3874 * flow.c (flow_loop_scan): Break out of ...
3875 (flow_loops_find) ... here.
3876 * basic-block.h (flow_loop_scan): New.
3877 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3878 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3880 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3882 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3884 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3885 realloc()ing macro_buffer.
3887 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3888 if it's wider than long and the target's long is wider than the
3891 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3893 Remove support for using UWIN as a host machine.
3894 * configure.in: Issue an error message.
3895 * configure: Regenerated.
3896 * config.gcc: Remove xm_* UWIN configury.
3897 * config/i386/xm-uwin.h: Remove.
3899 2001-01-08 Nick Clifton <nickc@redhat.com>
3901 * config/v850/v850.c (ra_rtx): Delete.
3902 (v850_save_machine_status): Delete.
3903 (v850_restore_machine_status): Delete.
3904 (v850_init_machine_status): New function.
3905 (v850_mark_machine_status): New function.
3906 (v850_free_machine_status): New function.
3907 (v850_return_addr): Use ra_rtx field in machine structure.
3908 (v850_init_expanders): Use new functions.
3910 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3911 * config/v850/v850.c: Change arguments to v850_output+* functions
3912 to take a const char *, to avoid compile time warning.
3913 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3914 (USER_LABEL_PREFIX): Redefine.
3916 2000-01-08 Jim Wilson <wilson@redhat.com>
3918 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3919 1 to unsigned HOST_WIDE_INT before left shift.
3921 2001-01-08 Nick Clifton <nickc@redhat.com>
3923 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3924 the machine structure has been allocated.
3925 (arm_free_machine_status): New function: Free the machine
3926 specific function structure.
3928 2001-01-08 Richard Henderson <rth@redhat.com>
3930 * jump.c (simplejump_p): Revert last change.
3932 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3934 * cppinit.c (init): Rename init_library.
3935 (cpp_create_reader): Update.
3936 * gcc.c (cpp_options): If -o given, use it as the target of
3939 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3941 * arm.c (arm_arch5e): New variable.
3942 (all_cores): XScale is a 5TE device.
3943 (arm_override_options): Set arm_arch5e.
3944 (arm_init_builtins): __builtin_prefetch is in arch5e.
3945 * arm.h (arm_arch5e): Declare it.
3947 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3949 * arm.md (define_constants): Add defines for UNSPEC and
3950 UNSPEC_VOLATILE insns. Update all users.
3951 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3952 * arm.c (multi_register_push, note_invalid_constants)
3953 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3954 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3955 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3957 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3959 * jump.c (jump_optimize_1): Use reversed_comparison_code
3960 instead of can_reverse_comparison_p.
3961 (jump_back_p): Likewise.
3962 (invert_exp_1): Likewise.
3963 (thread_jumps): Likewise.
3964 * simplify-rtx.c (simplify_unary_operation): Likewise.
3965 (simplify_ternary_operation): Likewise.
3966 * cse.c (find_comparison_args): Convert to use
3967 can_reverse_comparison_p.
3968 (record_jump_equiv): Likewise.
3970 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3972 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3973 (EPILOGUE_USES): Define.
3974 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3975 automatically stack the LR if it isn't live.
3977 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3979 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3982 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3984 * ggc-page.c (max_alignment): New structure.
3985 (MAX_ALIGNMENT): New macro.
3986 (init_ggc): Use it to round up the sizes in the
3987 extra_order_size_table.
3989 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3991 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3994 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3996 * builtins.def (BUILT_IN_FPRINTF): New entry.
3998 * c-common.c (c_expand_builtin_fprintf): New function.
3999 (init_function_format_info): Handle __builtin_fprintf.
4000 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4001 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4003 * c-decl.c (duplicate_decls): Adjust comment.
4005 * extend.texi (fprintf): Document new builtin.
4007 2001-01-07 Richard Henderson <rth@redhat.com>
4009 * jump.c (simplejump_p): Recognize any single_set jump
4012 2001-01-07 Richard Henderson <rth@redhat.com>
4014 * configure.in (slibdir): Accept an --with-slibdir option.
4015 Use "test" not "[" in configure. Default to $(libdir).
4017 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4019 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4020 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4021 (SHLIB_LINK): Create links for the soname.
4022 * config/mips/t-iris6: Likewise.
4023 * config/sparc/t-slibgcc: Likewise.
4024 * config/sparc/t-slibgcc-sld: Likewise.
4026 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4028 * config/i386/i386.c (constant_call_address_operand): Accept
4029 (const (plus (symbol_ref) (const_int))).
4030 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4031 constant_call_address_operand.
4033 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4035 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4036 and LONG_LONG_TYPE_SIZE > 32.
4038 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4040 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4041 the previous change.
4043 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4045 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4047 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4048 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4049 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4052 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4054 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4056 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4058 * c-lang.c (c_post_options): Call cpp_post_options.
4059 * objc/objc-act.c (objc_post_options): Similarly.
4060 * cppmain.c (main): Similarly.
4061 * fix-header.c (read_scan_file): Similarly.
4062 * cppinit.c (cpp_start_read): Move option consistency checks
4063 to cpp_post_options. Don't call init_dependency_output.
4064 If needed, add default target and main file dependency.
4065 (OPT_MD, OPT_MMD): Remove.
4067 (cpp_handle_option): Update for OPT_* changes.
4068 (cpp_post_options): New.
4069 (init_dependency_output): Command line -MF overrides environment
4070 variables. Don't set default target etc. Suppress output
4071 if dependencies are going to stdout.
4072 (print_help): Update.
4073 * cpplib.h (cpp_post_options): New.
4074 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4076 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4078 * jump.c (comparison_dominates_p): Support unordered compares.
4080 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4082 * simplify-rtx.c (simplify_relational_operation): Always simplify
4083 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4086 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4088 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4089 (nonzero_bits): Likewise.
4090 (simplify_comparison): Likewise.
4091 (num_sign_bit_copies): Likewise; return more sane value depending
4092 on STORE_FLAG_VALUE.
4093 (known_cond): Do not assume EQ to be always true for equivalent
4096 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4098 * cse.c (fold_rtx): Handle unordered comparisons.
4100 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4102 * rtlanal.c (set_of_1): New static function.
4103 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4104 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4105 reg_set_last_last_regno): Remove.
4106 (set_of): New global function.
4107 (set_of_data): New structure.
4108 (reg_set_p, reg_set_last): Revamp for set_of.
4109 * rtl.h (set_of): New.
4111 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4113 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4114 * extend.texi: Document _Exit builtin.
4116 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4118 * (initialize, initialize_builtins,
4119 initialize_dependency_output, initialize_standard_includes):
4120 Rename s/initialize/init. Update.
4121 (init_dependency_output): Move to after
4122 cpp_handle_options, the correct location temporally at least.
4123 (opt_comp): Move next to init (), its caller. Fix prototype.
4124 (init): Make "initialized" local scope.
4125 (cpp_create_reader): Always call init ().
4126 (cpp_start_read): Update.
4127 (output_deps): New function, broken out of cpp_finish.
4128 (cpp_finish): Break out output_deps.
4130 2001-01-07 Richard Henderson <rth@redhat.com>
4132 * collect2.c (COFF specific stuff): Revert 12-06 patch
4133 to prototype system functions.
4135 2001-01-07 Michael Hayes <mhayes@redhat.com>
4137 * hard-reg-set.h: Add multiple include guard.
4138 * basic-block.h (struct loop): Add `sink' field.
4139 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4140 (emit_iv_add_mult): Delete.
4141 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4142 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4143 (unroll_loop): Remove end_insert_before argument.
4144 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4145 (maybe_eliminate_biv_1): Likewise.
4146 (emit_iv_add_mult): Delete.
4147 (gen_add_mult, loop_regs_update): New.
4148 (loop_insn_emit_after, loop_insn_emit_before): New.
4149 (loop_insn_sink, loop_insn_sink_or_swim): New.
4150 (emit_iv_add_mult): Delete.
4151 (scan_loop): Set loop->sink.
4152 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4153 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4154 (maybe_eliminate_biv_1): Likewise.
4155 (maybe_eliminate_biv_1): Add basic block argument.
4156 * unroll.c (unroll_loop): Remove end_insert_before argument.
4157 (find_splittable_regs): Likewise.
4158 (find_splittable_regs): Use loop_insn_sink and its ilk.
4159 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4161 2001-01-07 Michael Hayes <mhayes@redhat.com>
4163 * loop.h (loop_insn_hoist): New prototype.
4164 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4165 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4166 (check_dbra_loop, load_mems): Likewise.
4167 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4168 (find_splittable_givs): Likewise.
4170 2001-01-07 Michael Hayes <mhayes@redhat.com>
4172 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4174 2001-01-07 Richard Henderson <rth@redhat.com>
4176 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4178 2001-01-07 Richard Henderson <rth@redhat.com>
4180 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4181 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4182 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4183 variant that handles a shared libgcc.
4184 (process_command): Always validate -{static,shared}-libgcc.
4185 (do_spec_1): New 'M' case.
4186 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4188 2001-01-07 Richard Henderson <rth@redhat.com>
4190 * Makefile.in (slibdir): New variable.
4191 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4192 (installdirs): Create slibdir.
4193 (install-libgcc, install-multilib): Defer to libgcc.mk.
4194 * configure.in (slibdir): Substitute.
4195 * mklibgcc.in (install): New target.
4197 * config/t-linux (SHLIB_LINK): Create links for the soname.
4198 (SHLIB_INSTALL): New.
4199 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4200 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4201 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4202 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4203 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4205 2001-01-07 Richard Henderson <rth@redhat.com>
4207 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4208 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4209 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4211 2001-01-07 Michael Hayes <mhayes@redhat.com>
4213 * loop.c (count_loop_regs_set): Delete.
4214 (load_mems_and_recount_loop_regs_set): Delete.
4215 (loop_regs_scan): Merge common code from count_loop_regs_set,
4216 scan_loop, and load_mems_and_recount_loop_regs_set.
4217 (scan_loop): Call load_mems directly and loop_regs_scan
4218 again if new registers created.
4220 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4222 * toplev.c (main): Call the front-end specific post_options
4223 hook if one is given.
4224 * toplev.h (struct_lang_hooks, lang_hooks): New.
4225 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4226 for the C front end.
4227 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4228 lang_hooks for the C++ front end.
4229 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4230 lang_hooks for the ObjC front end.
4231 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4232 * java/lang.c (lang_hooks): Hooks for the Java front end.
4234 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4236 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4237 for verbose DWARF[2] debugging.
4238 (cb_define, cb_undef): The new callbacks.
4239 * toplev.h (debug_define, debug_undef): Make const correct.
4240 * toplev.c (debug_define, debug_undef): Similarly. Do not
4241 perform the verbosity tests here anymore.
4243 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4245 * reload.c (subst_reloads): Take INSN argument. When
4246 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4247 * reload.h (subst_reloads): Adjust prototype.
4248 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4249 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4250 present in JUMP_INSNs and copy them to JUMP_LABEL.
4251 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4252 JUMP_INSNs and insns with REG_LABELs that are followed by
4253 JUMP_INSNs with the same REG_LABEL.
4254 * sched-rgn.c (is_cfg_nonregular): Likewise.
4255 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4257 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4259 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4261 2001-01-06 Richard Henderson <rth@redhat.com>
4263 * loop.c (scan_loop): Use xcalloc for the regs array.
4264 (load_mems_and_recount_loop_regs_set): Zero the new memory
4265 received from xrealloc.
4267 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4269 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4271 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4273 * integrate.c (copy_rtx_and_substitute): When copying
4274 an ignored return value, strip REG_FUNCTION_VALUE_P.
4276 2001-01-06 Michael Hayes <mhayes@redhat.com>
4278 * loop.c (debug_biv, debug_giv): New.
4279 (loop_biv_dump): Break out from ...
4280 (record_biv): ... here.
4281 (loop_giv_dump): Break out from ...
4282 (record_giv): ... here.
4283 (loop_bivs_check): Use print_simple_rtl.
4284 * unroll.c (loop_iterations): Use print_simple_rtl.
4286 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4288 * pa.md (return, return_internal): Modify patterns to prevent regrename
4289 mucking with the return pointer.
4291 2001-01-05 Richard Henderson <rth@redhat.com>
4293 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4295 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4297 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4298 version supplied by Matteo Frigo.
4300 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4302 * cpp.texi: Update for -MQ.
4303 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4304 (cpp_cleanup): Always free pfile->deps.
4305 (initialize_dependency_output): Don't create pfile->deps.
4306 (cpp_handle_option): Similarly.
4308 * gcc.c (cpp_options): Handle -MQ.
4309 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4310 * mkdeps.c (base_name): Remove.
4311 (deps_init): Don't allocate vector space until it's needed.
4312 (deps_free): Only free vectors if allocated.
4313 (deps_add_target, deps_add_dep): Update for initial allocation.
4314 (deps_add_default_target): Don't strip to the base_name.
4316 2001-01-05 DJ Delorie <dj@redhat.com>
4318 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4319 (INIT_EXPANDERS): Define.
4321 * config/v850/v850.c (struct machine_function): Define.
4322 (v850_save_machine_status): New function.
4323 (v850_restore_machine_status): New function.
4324 (v850_return_addr): New function.
4325 (v850_init_expanders): New function.
4327 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4328 and v850_init_expanders.
4330 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4332 * cpplib.h (struct cpp_reader): Add help_only field.
4333 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4334 (cpp_handle_option): Set pfile->help_only if we see -h,
4335 --help, -target-help, or --version. Print version string but
4336 do not set help_only if we see -v or -version. Make text
4337 printed by -v match that printed by (-)-version.
4339 * cppmain.c (main): Exit after option parsing if
4340 pfile->help_only is true.
4342 * toplev.c (independent_decode_option): Call print_version,
4343 then exit, if we see --version (but not -version).
4344 (print_version): Split lengthy message into two lines.
4346 2001-01-05 Nick Clifton <nickc@redhat.com>
4348 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4349 temporary string for initialisation before calling ggc_alloc_string.
4351 2001-01-06 Michael Hayes <mhayes@redhat.com>
4353 * rtl.h (print_simple_rtl): New.
4354 * print-rtl.c (print_simple_rtl): New.
4356 (print_rtx): Disable printing of flags and modes, etc.,
4357 if `flag_simple` nonzero.
4359 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4361 * function.c (fixup_var_refs): Use push_to_full_sequence where
4364 2001-01-05 Michael Meissner <meissner@redhat.com>
4366 * flags.h (flag_reorder_blocks): Add declaration.
4367 (flag_rename_block): Ditto.
4369 2001-01-05 DJ Delorie <dj@redhat.com>
4371 * function.c (reorder_blocks): Make sure the flags are all reset
4372 before using them to mark blocks, else a second invocation will
4373 corrupt the block chain.
4374 (reorder_blocks_0): New, resets the flags.
4376 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4378 * cse.c (find_comparison_args): Stop if the argument is known to
4381 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4383 * config/sh/sh.md (movdf): When splitting load into pair of
4384 registers, don't clobber the register used in the address too
4387 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4389 * varasm.c (mark_constant_pool): Improve initial comments.
4390 (mark_constants): Move marking of constants to mark_constant.
4391 (mark_constant): New function to recursively mark all constants
4392 referred to by a constant.
4394 2001-01-05 Catherine Moore <clm@redhat.com>
4396 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4398 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4400 * cp/lang-options.h: Bring comment in line with reality.
4401 * f/lang-options.h: Likewise.
4402 * java/lang-options.h: Likewise.
4403 * objc/lang-options.h: Likewise.
4404 * ch/lang-options.h: Likewise.
4405 * f/g77.texi: And update the manual.
4407 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4408 Denis Chertykov <denisc@overta.ru>
4410 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4411 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4412 * config/avr/avr.md (all peepholes that request a scratch register):
4413 Call it, FAIL the peephole if not safe (in interrupt functions).
4415 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4417 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4419 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4421 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4423 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4424 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4425 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4426 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4427 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4429 * extend.texi: Document these builtins.
4431 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4433 * c-common.c (lang_get_alias_set): Say we know nothing of
4434 VECTOR_TYPE aliasing.
4436 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4438 2001-01-05 Bruce Korb <bkorb@gnu.org>
4440 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4441 their x* equivalent versions for atexit-less systems
4442 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4443 systems (or any other system any more).
4445 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4447 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4448 output operands. Use arm_hard_register_operand for operand 4.
4449 (stmsi_postinc): Similarly.
4450 (ldmsi): Use arm_hard_register_operand for opernand 2.
4452 * arm.c (arm_hard_register_operand): New function.
4453 * arm-protos.h (arm_hard_register_operand): Prototype it.
4455 * arm.h (HARD_REGNO_RENAME_OK): Define.
4457 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4459 * simplify-rtx.c (cfc_args): add "unordered" field.
4460 (check_fold_consts): Set unordered field.
4461 (simplify_relational_operation): Simplify the unordered
4464 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4467 * emit-rtl.c (try_split): Fix code to mark labels.
4468 * jump.c (mark_jump_label): Make global.
4469 * rtl.h (mark_jump_label): Declare.
4471 * predict.c (estimate_probability): Handle unordred comparisons.
4473 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4475 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4476 * cppinit.c (initialize_dependency_output): Update.
4477 (cpp_finish): Output dummy targets for -MP.
4479 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4480 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4481 * gcc.c (cpp_options): Update to handle -MP.
4482 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4483 to quote only the default target.
4484 (deps_phony_targets): Insert a preceding newline. Rename from
4485 deps_dummy_targets for consistency.
4488 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4490 * calls.c (emit_library_call_value_1): Support
4491 INIT_CUMULATIVE_LIBCALL_ARGS.
4492 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4494 2001-01-04 Richard Henderson <rth@redhat.com>
4496 * c-decl.c (finish_struct): Detect flexible array members
4497 used in an inappropriate context.
4498 * c-typeck.c (really_start_incremental_init): Special case
4499 constructor_max_index for zero length arrays.
4500 (pop_init_level): Allow initialization of flexible array
4501 members. Deprecate initialization of zero length arrays.
4502 Don't issue missing initializer warning for flexible array
4503 members or zero length arrays.
4504 (process_init_element): Don't dereference null DECL_SIZE.
4505 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4506 Don't abort for empty constructors. Use size_binop
4507 (output_constructor): Add commentary regarding zero length
4508 array futures. Abort if we try to initialize an array of
4509 unspecified length with a non-empty constructor in the middle
4512 * extend.texi (Zero Length): Update and clarify documentation
4513 on static initialization.
4515 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4517 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4518 with more than 32767 words of local storage.
4520 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4522 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4523 for 'abs', 'labs', and 'fabs'.
4524 (c4x_expand_builtin): Likewise.
4525 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4527 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4529 * config/sh/sh.md (prget, prset): New insn types.
4530 (return delay slot): Dont' allow prset.
4531 (call, sfunc delay slot): Don't allow prget.
4532 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4533 for prset and prget.
4535 2001-01-05 Michael Hayes <mhayes@redhat.com>
4537 * loop.h (struct loop_reg): New.
4538 (struct loop_regs): Change to use array of `struct loop_reg'.
4539 * loop.c: Replace assortment of varrays with single regs array.
4540 (count_one_set): Delete may_not_move array argument
4541 and use regs array instead. All caller's changed.
4542 (count_loop_regs_set): Delete may_not_move and single_usage
4543 arguments and use regs array instead. All caller's changed.
4544 (find_single_use_in_loop): Replace usage array argument with pointer
4545 to regs structure. All caller's changed.
4546 (loop_optimize): Delete `moved_once' array.
4548 2001-01-05 Michael Hayes <mhayes@redhat.com>
4550 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4551 Use it instead of loop_info->has_call for scanning loop mems.
4552 (check_dbra_loop): Replace loop_info->has_call test with
4553 loop_info->has_nonconst_call.
4555 2000-01-04 Matthew Hiller <hiller@redhat.com>
4557 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4560 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4562 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4563 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4565 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4567 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4568 (flag_short_double, flag_short_wchar): Define.
4569 (c_common_nodes_and_builtins): Create many tree nodes shared
4570 between C and C++ here instead of in cp/decl.c and ...
4571 * c-decl.c (init_decl_processing): ... here.
4572 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4573 (flag_short_double, flag_short_wchar): Don't define.
4574 (record_builtin_type): New function.
4575 (build_void_list_node): New function.
4576 * c-common.h (flag_short_double, flag_short_wchar,
4577 record_builtin_type, build_void_list_node): Declare.
4579 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4581 * integrate.c (expand_inline_function): Don't put a virtual
4582 register into the reg map.
4584 * function.c (fixup_var_refs_1): If force_operand didn't put
4585 the address into the target, move it there.
4587 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4589 Special-case tree_decl/tree_list allocations.
4590 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4591 (OBJECT_SIZE): New macro.
4592 (NUM_EXTRA_ORDER): Likewise.
4593 (extra_order_size_table): New variable.
4594 (NUM_ORDERS): New macro.
4595 (objects_per_page_table): New variable.
4596 (object_size_table): New variable.
4597 (G.pages): Use NUM_ORDERS to bound the array.
4598 (G.page_tails): Likewise.
4599 (DIV_ROUND_UP): Remove.
4600 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4601 (alloc_page): Use OBJECT_SIZE.
4602 (size_lookup): Don't make it const.
4603 (ggc_alloc): Use OBJECT_SIZE.
4604 (ggc_set_mark): Likewise.
4605 (ggc_get_size): Likewise.
4606 (init_ggc): Set up the object_size_table, objects_per_page_table,
4607 and adjust size_lookup.
4608 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4609 (ggc_pop_context): Use NUM_ORDERS.
4610 (clear_marks): Likewise.
4611 (sweep_pages): Likewise.
4612 (poison_pages): Likewise.
4613 (ggc_print_statistics): Use OBJECT_SIZE.
4615 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4617 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4618 Only call array_size_for_constructor if last field and array type
4619 with no upper bound.
4621 2001-01-04 Philip Blundell <philb@gnu.org>
4623 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4624 from bit 31 downwards, if this requires no more insns.
4625 (count_insns_for_constant): New helper function for above.
4627 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4629 * gencodes.c (output_predicate_decls): Remove empty initializer.
4631 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4633 * tree.c (copy_node): Remove documentation about obstacks.
4634 (buidl1): Check that nobody tries to build 2-argument nodes this
4637 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4639 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4642 * gencodes.c (output_predicate_decls): Fill empty initializer
4645 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4647 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4648 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4650 (do_include): Handle missing headers like cpp0.
4651 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4652 paths with first include pathname. Don't strcat to uninitialized
4655 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4657 * regrename.c (regrename_optimize): Don't rename from frame pointer
4658 if frame_pointer_needed.
4659 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4660 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4661 (ia64_reorg): Use it instead of scheduling if ! optimize.
4662 (errata_emit_nops): Properly call asm_noperands.
4663 (ia64_sched_reorder): Finish cycle if we see an asm.
4664 (ia64_variable_issue): Clear scheduling state after asms.
4666 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4668 * cpp.texi: Update for -MT.
4669 * cppinit.c (initialize_dependency_output): Add a default
4670 target if none has been given already.
4671 (no_tgt, OPT_MT): New.
4672 (cpp_handle_option): Handle -MT. Update -M etc.
4673 * cpplib.h (struct cpp_options): Remove deps_target.
4674 * gcc.c (cpp_options): Handle -MT.
4675 * mkdeps.c (struct deps): Move from mkdeps.h.
4676 (deps_calc_target): Rename deps_add_default_target. Add a
4677 default target if none has been specified already.
4678 * mkdeps.h (struct deps): Move to mkdeps.c.
4679 (deps_calc_target): Rename deps_add_default_target.
4681 2000-01-03 Richard Henderson <rth@redhat.com>
4683 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4685 * c-typeck.c (push_init_level): Move checks for flexible array
4686 members and zero length arrays ...
4687 (pop_init_level): ... here. Silently discard empty initializations.
4689 * varasm.c (output_constructor): Update for sizeof change to
4692 * extend.texi (Zero Length): Clarify semantics.
4694 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4696 * configure.in (tm.h): Include isns-codes.h last.
4697 * configure: Rebuilt.
4699 2001-01-03 Richard Henderson <rth@redhat.com>
4701 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4702 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4704 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4706 * tradcpp.c (main): Make sure finclude() is called with a valid
4707 indepth value while handling -include.
4709 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4711 * gencodes.c (output_predicate_decls): New function.
4713 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4714 even if it is not the first time machmode.h is #included.
4715 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4716 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4717 * gcc.texi (Copyright): Added 2001.
4719 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4721 * c-common.c (c_common_lang_init): New function. Warn if format
4722 warning options which only have effects when used with -Wformat
4723 are used without -Wformat.
4724 * c-common.h (c_common_lang_init): Declare.
4725 * c-lang.c (lang_init): Call c_common_lang_init.
4726 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4728 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4730 * configure.in: Check for the mktemp command.
4731 * configure: Regenerate.
4732 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4733 $TEMP. Create temporary files with mktemp, if available at
4734 configure time; otherwise use set -C. Remove temporary files
4737 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4739 * configure.in: Require at least texinfo 4.0. Check for whether
4740 Pod::Man is sufficiently recent to regenerate GCC manpages.
4741 * configure: Regenerate.
4742 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4744 (GENERATED_MANPAGES): Define.
4745 (generated-manpages): New target. Depend on cpp.1 as well as
4747 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4748 configure to generated-manpages or empty) rather than on the
4749 manpages directly. Remove execute permission from installed
4750 gcov.1 as well as cpp.1.
4751 * cpp.1, gcov.1: Regenerate.
4753 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4755 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4756 tree_low_cst. Allow using cmpstrsi in more cases.
4758 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4760 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4763 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4765 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4766 * Makefile.in (HOST_CFLAGS): Mention build-make.
4768 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4770 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4773 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4775 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4778 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4781 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4782 reg_base_value and reg_known_value arrays.
4783 (init_alias_analysis): Add more cases to detect known values.
4784 * sched-deps.c (deps_may_trap_p): New function.
4785 (sched_analyze_2): Use it.
4787 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4789 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4790 don't discard an ASHIFTRT if we're shifting in a wider mode.
4792 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4794 * toplev.c (rest_of_compilation): Don't print basic block information
4795 when CFG isn't up to date.
4797 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4799 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4800 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4801 (UNALIGNED_SHORT_ASM_OP): Define.
4802 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4804 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4806 * fold-const.c (fold_convert): Fix typo.
4808 2001-01-02 Richard Henderson <rth@redhat.com>
4810 * c-common.h (ASM_INPUT_P): New.
4811 * c-parse.in (asm): Set it when needed.
4812 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4813 existance of an operand.
4815 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4817 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4818 (dwarf2out_frame_debug_expr): Likewise.
4819 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4821 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4823 * i386.c (ix86_split_to_parts): Return number of part required;
4825 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4827 (ix86_split_long_move): Use number of part returned
4828 by ix86_split_to_parts
4829 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4831 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4832 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4833 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4834 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4835 (ALIGN_MODE_128): Add TFmode.
4836 (IS_STACK_MODE): Likewise.
4837 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4838 (HARD_REGNO_OK): Support TFmodes.
4839 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4840 * i386.md (scheduler definitions): Use memory operand to determine
4841 fst/fld instructions; use mode attribute to determine real mode of
4843 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4844 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4846 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4848 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4850 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4852 * expr.c (store_constructor_field): Update ALIGN before calling
4855 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4857 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4860 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4862 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4865 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4867 * c-decl.c (start_function): Don't warn on third parameter to main.
4869 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4871 * tsystem.h: Define HAVE_DECL_GETOPT.
4873 2001-01-02 Philip Blundell <pb@futuretv.com>
4875 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4878 2001-01-02 Richard Henderson <rth@redhat.com>
4880 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4882 2001-01-02 Andreas Jaeger <aj@suse.de>
4884 * c-decl.c (c_decode_option): Remove support of
4887 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4888 (W_options): Add -Wmissing-noreturn here.
4890 * flow.c: Define lang_missing_noreturn_ok_p.
4891 (check_function_return_warnings): Use it.
4893 * c-common.h: Declare lang_missing_noreturn_ok_p.
4895 * c-lang.c (c_missing_noreturn_ok_p): New function.
4896 (lang_init): Set lang_missing_noreturn_ok_p.
4898 * invoke.texi (Warning Options): Document this.
4900 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4902 * extend.texi (C++ Extensions): New node for C++ attributes;
4903 describe init_priority and com_interface.
4904 * invoke.texi: Remove -finit-priority as it now has zero effect.
4905 * install.texi: Fix xref syntax.
4906 * md.texi: Likewise.
4908 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4910 * config.gcc (sparc64-wrs-vxworks*): New case.
4911 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4913 * config/sparc/sparc.c (sparc_override_options): Do support different
4914 pointer and architecture size.
4915 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4916 (POINTERS_EXTEND_UNSIGNED): Define.
4917 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4918 (FUNCTION_MODE): Define to be Pmode.
4919 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4921 * function.c (expand_function_end): Properly handle DECL_RESULT
4922 and copy when ptr_mode != Pmode.
4923 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4925 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4927 * c-common.c (c_common_nodes_and_builtins): Set prototype
4928 parameters for __builtin_fputs, __builtin_fputc and
4929 __builtin_fwrite. Don't declare plain fputc as a builtin.
4931 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4933 * loop.c (add_label_notes): Increment the label usage count when
4934 a note is added to an insn which refers to a CODE_LABEL.
4935 * gcse.c (add_label_notes): Likewise.
4937 2001-01-01 Andreas Jaeger <aj@suse.de>
4939 * loop.c (scan_loop): Use xmalloc to allocate movables.
4941 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4943 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4944 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4945 * reload1.c (REGISTER_MOVE_COST): Likewise.
4946 * regclass.c (REGISTER_MOVE_COST): Likewise.
4947 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4948 dimension. Adjust all users.
4949 (init_reg_sets_1): Iterate on all modes.
4950 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4951 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4952 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4953 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4954 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4955 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4956 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4957 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4958 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4959 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4960 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4961 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4962 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4963 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4964 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4965 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4966 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4967 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4968 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4969 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4970 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4971 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4972 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4973 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4974 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4975 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4976 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4978 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4980 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4981 arg VARIES_P. Call it with extra arg.
4982 (true_dependence): Likewise.
4983 * rtl.h (rtx_addr_can_trap_p): Declare.
4984 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4986 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4987 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4988 pic offset table register if it's zero. All callers changed.
4989 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4991 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4993 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4994 STRING_POOL_ADDRESS_P.
4996 * config/sparc/sparc.c (input_operand): Properly test for short op.
4998 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4999 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5000 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5001 * config/sparc/elf.h: No longer include sol2.h.
5002 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5003 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5005 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5007 2001-01-01 Michael Hayes <mhayes@redhat.com>
5009 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5010 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5011 (record_initial): Likewise.
5012 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5013 (remap_split_bivs): Likewise.
5015 2001-01-01 Michael Hayes <mhayes@redhat.com>
5017 * loop.c (loop_ivs_free): New function.
5018 (strength_reduce): Break out from...
5020 2001-01-01 Michael Hayes <mhayes@redhat.com>
5022 * loop.h (struct iv): New.
5023 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5024 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5025 'reg_biv_class' fields with 'regs' and 'n_regs'.
5026 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5027 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5028 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5030 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5032 * resource.c (mark_referenced_resources): Abort() before
5033 attempting to mark a pseudo register.
5034 (mark_set_resources): Likewise.
5036 2001-01-01 Michael Hayes <mhayes@redhat.com>
5038 * loop.h (REG_IV_CLASS): New accessor macro.
5039 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5040 * unroll.c (REG_IV_CLASS): Likewise.
5042 See ChangeLog.4 for earlier changes.
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