1 2001-03-01 Bernd Schmidt <bernds@redhat.com>
3 Fix a problem introduced by Kenner's Feb 18 change.
4 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5 flag_cse_skip_blocks only temporarily, not for ever.
7 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
9 * pa.c (emit_move_sequence): Verify operand0 is a hard register
10 before determining its register class.
12 2001-03-01 Bernd Schmidt <bernds@redhat.com>
14 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
15 from reg 4 if current_function_calls_setjmp.
16 (gen_nop_type): New function.
17 (ia64_emit_nops): New function.
18 (ia64_reorg): Call it.
19 (ia64_sched_reorder): Move code that rotates bundles up a bit.
21 * reload1.c (eliminate_regs_in_insn): Restrict the special case
22 code not to try to optimize adds with anything but a REG destination.
24 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
25 (INSN_PRIORITY_KNOWN): New accessor macro.
26 * haifa-sched.c (priority): Use it instead of testing priority against
29 2001-02-28 DJ Delorie <dj@redhat.com>
31 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
32 since that doesn't work the way gcc wants on a generic m68k.
34 2001-02-28 Richard Henderson <rth@redhat.com>
36 * caller-save.c (save_call_clobbered_regs): Fix typo in
37 comparison last change.
39 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
41 * i386.c (pentium4_cost): New.
43 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
44 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
45 x86_integer_DFmode_moves, x86_partial_reg_dependency,
46 x86_memory_mismatch_stall): Add Pentium4
47 (x86_use_q_reg, x86_use_any_reg): Kill.
48 (override_options): Add pentium4.
49 (incdec_operand): Return 0 for pentium4.
50 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
51 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
52 (TARGET_PENTIUM4): Define.
53 (enum processor_type): Add PROCESSOR_PENTIUM4.
54 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
55 * i386.md (attribute "cpu"): Add pentium4.
56 * invoke.texi (march): Add pentium4.
58 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
60 * i386.md (sse_mov?fcc*): New patterns and splitters.
61 * i386.c (ix86_expand_movcc): Work post-reload; recognize
62 the SSE based conditional moves.
64 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
66 * i386.md (attribute mode): Add "TI".
67 (movsf_1): Add pxor support; remove constant propagation splitter.
68 (movdf_integer): Likewise.
69 (movdf_nointeger): Likewise.
70 (movxf constant prop splitter): Handle all modes; update for SSE.
71 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
72 * i386.c (standard_80387_constant_p): Rewrite.
73 (standard_sse_constant_p): New.
74 * i386-protos.h (standard_sse_constant_p): New.
76 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
78 * i386.md (sse_setccsf, sse_setccdf): New.
79 (sse_cmp* patterns): Use '%D' instead of outputtting condition
81 * i386.c (sse_comparison_operator): Accept the supported unordered
82 comparses; be ready for fast_math.
83 (print_operand): Support 'D'.
85 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
87 * jump.c (reversed_comparison_code): Kill.
89 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
91 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
94 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
96 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
97 add missing '%' in constraints.
99 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
101 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
102 for HOST_BITS_PER_WIDE_INT == 32 too.
104 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
106 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
108 (insert_save, insert_restore): New parameter save_mode.
109 (init_caller_save): Update initialization of reg_save_code
110 and reg_restore_code.
111 (save_call_clobbered_regs): Compute save_modes and update calls to
112 reg_save_code and reg_restore_code.
113 (insert_restore): Unsignetize numbers; use save_modes to choose mode
114 of spill; update use of reg_restore_code.
115 (insert_save): Likewise.
116 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
117 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
118 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
120 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
122 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
123 noce_try_store_flag_inc, noce_try_store_flag_mask,
124 noce_try_cmove_arith):
125 Use reversed_comparison_code instead of reverse_comparison and
126 can_reverse_comparison_p.
128 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
130 * jump.c (reversed_comparison_code_parts): Allow reversal of
131 unordered compares in -ffast-math mode; reverse ordered compares
132 for FP even w/o -ffast-math.
134 2001-02-27 Richard Henderson <rth@redhat.com>
136 * print-rtl.c (print_rtx) [i]: Don't print field five on
137 NOTEs other than NOTE_INSN_DELETED_LABEL.
139 2001-02-27 Zack Weinberg <zackw@stanford.edu>
141 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
142 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
144 2001-02-27 Diego Novillo <dnovillo@redhat.com>
146 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
147 even if walk_subtrees is 0.
148 * c-semantics.c (prune_unused_decls): Return a non-null value to
149 stop traversing the tree chain.
151 2001-02-27 DJ Delorie <dj@redhat.com>
153 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
154 register, *then* define it as the new CFA.
156 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
158 * pa.c (override_options): Promote -fpic to -fPIC.
159 (legitimize_pic_address): Simplify due to removal of
160 small PIC as a code generation option.
161 (secondary_reload_class): Similarly.
162 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
163 (PRINT_OPERAND_ADDRESS): Similarly.
164 * pa.md (various patterns): Similarly.
165 (small pic lo_sum pattern): Remove.
167 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
170 * md.texi (min, max): Document
172 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
174 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
175 TARGET_PARTIAL_REG_DEPENDENCY.
176 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
178 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
180 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
182 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
184 * mips.c (mips_make_temp_file): Fix thinko in last change.
186 2001-02-26 Jason Eckhardt <jle@redhat.com>
188 * combine.c (known_cond): Do not reverse the condition when
189 SMAX/UMAX is being considered and the condition is for equality
192 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
194 2001-02-26 Philip Blundell <philb@gnu.org>
196 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
198 * config/arm/linux-elf.h: Remove historical relics related to
199 above configurations.
200 * config/arm/linux-oldld.h: Delete.
201 * config/arm/linux-elf26.h: Delete.
203 2001-02-26 Jason Merrill <jason@redhat.com>
205 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
207 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
208 recognize a tentative definition. Lose obsolete code.
210 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
211 variables unless necessary, either.
213 2001-02-25 Richard Henderson <rth@redhat.com>
215 * ifcvt.c (struct noce_if_info): Add test_bb.
216 (noce_get_alt_condition): New.
217 (noce_try_minmax, noce_try_abs): New.
218 (noce_operand_ok): New.
219 (noce_process_if_block): Use them.
220 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
222 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
224 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
227 2001-02-25 Zack Weinberg <zackw@stanford.edu>
229 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
230 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
232 (mips_asm_file_end): Free temp_filename here.
234 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
236 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
237 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
239 * config/i386/i386.md (movstrsi): Handle FAIL case.
241 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
243 * cppinit.c (builtin_array): Update.
244 (init_builtins): Flag builtins to warn if redefined or
245 undefined. Define __GXX_WEAK as a normal macro.
246 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
247 * cpplib.h (NODE_WARN): New flag.
248 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
249 Handle __STDC__ as a builtin only on Solaris.
250 (warn_of_redefinition): Renamed from check_macro_definition.
251 Reverse sense of test. Always warn if NODE_WARN.
252 (_cpp_create_definition): Use warn_of_redefinition. Flag
253 any macro beginning with "__STDC_" to require a mandatory
254 warning if redefined or undefined.
256 2001-02-24 Zack Weinberg <zackw@stanford.edu>
258 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
259 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
260 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
261 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
262 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
263 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
265 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
266 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
267 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
268 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
269 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
271 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
272 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
275 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
276 Delete now-empty file.
278 * alpha/vms.h: Define NEED_ATEXIT here...
279 * alpha/xm-vms.h: ...not here.
281 * i386/cygwin.h: Don't define PARAMS.
282 * mips/mips.c: Don't prototype mktemp. Don't define
283 P_tmpdir. Use make_temp_file to create temporary files.
284 Don't be clever and delete temporary files early.
285 * config.gcc: Drop references to deleted files. Don't define
287 * gcc.texi: Don't mention USE_PROTOTYPES.
289 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
291 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
292 (ix86_set_move_mem_attrs_1): Likewise.
293 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
294 * config/i386/i386.md (movstrsi): Call it.
296 2001-02-24 Zack Weinberg <zackw@stanford.edu>
298 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
299 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
300 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
301 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
303 (i750a-*-*): Error here if hosting on i750a.
304 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
306 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
307 Remove (empty modulo comments).
309 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
310 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
311 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
312 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
313 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
314 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
316 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
317 Remove reference to winnt.h in comment.
318 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
320 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
322 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
323 used to set another biv.
325 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
327 * tree.h (BLOCK_DEAD): New macro.
328 (struct tree_block): New flag, dead_flag.
329 * print-tree.c (print_node, case 'b'): Print missing fields.
330 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
331 * function.c (identify_blocks): Enable test for misplaced notes.
332 (all_blocks): Skip BLOCK_DEAD blocks.
333 * integrate.c (integrate_decl_tree): Likewise.
335 * errors.c (internal_error, trim_filename): New functions.
336 (fancy_abort): Call internal_error.
337 * errors.h (internal_error, trim_filename): New declarations.
339 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
341 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
343 (EXTRA_CONSTRAINT): Formatting changes.
345 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
347 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
349 2001-02-23 Per Bothner <per@bothner.com>
351 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
352 so they can be called from java/jvspec.c.
353 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
355 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
357 * i386.c (ix86_frame): New structure.
358 (ix86_compute_frame_size): Kill.
359 (ix86_compute_frame_layout): New.
360 (ix86_save_reg): New.
361 (ix86_can_use_return_insn_p): Use frame layout stuff.
362 (ix86_expand_prologue): Likewise.
363 (ix86_expand_epilogue): Likewise.
364 (ix86_initial_elimination_offset): Likewise.
365 (ix86_nsaved_regs): Use ix86_save_reg.
366 (ix86_emit_save_regs): Likewise.
368 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
370 * flow.c (find_sub_basic_blocks): New function.
371 (split_block): Be ready for basic block introduced by CODE_LABEL.
372 (commit_one_edge_insertion): Call find_sub_basic_block.
374 * flow.c (make_edges): Add edge from entry for blocks starting with
375 label having ALTERNATE_NAME
377 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
379 * function.c (epilogue_done): Be ready for first basic block not
380 containing PROLOGUE_END note.
381 (reposition_prologue_and_epilogue_notes): Avoid placing
382 PROLOGUE_END note between BASIC_BLOCK.
384 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
386 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
388 2001-02-21 DJ Delorie <dj@redhat.com>
390 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
391 check for current_function_has_nonlocal_goto from 1999-11-12.
393 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
395 * diagnostic.c (trim_filename): No longer static.
396 * toplev.h (trim_filename): Declare.
397 * rtl.c (rtl_check_failed_bounds): Call internal_error.
398 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
399 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
400 (rtvec_check_failed_bounds): Likewise.
401 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
403 * convert.c (convert_to_integer): Don't do unsigned unless result or
404 both inputs are unsigned.
406 * fold-const.c (fold_convert): Don't call size_int_type_wide if
409 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
411 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
413 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
415 * Makefile.in (resource.o): Add params.h dependence.
416 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
417 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
418 * resource.c: Add dependence on params.h.
419 (current_live_regs): Fix explanatory comment.
420 (find_basic_block): Add new parameter to permit limiting search
422 (mark_target_live_regs): Add new argument to find_basic_block call.
423 (incr_ticks_for_insn): Likewise.
425 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
427 * diagnostic.c (output_to_stream): Rename to
428 output_buffer_to_stream. Loses the stream parameter.
429 (init_output_buffer): Set diagnosic_buffer's stream.
430 (flush_diagnostic_buffer): Adjust.
431 (default_print_error_function): Likewise.
432 (finish_diagnostic): Likewise.
433 (verbatim): Likewise.
435 * diagnostic.h (struct output_buffer): Add `stream' field.
436 (output_buffer_attached_stream): New macro.
438 2001-02-23 Jakub Jelinek <jakub@redhat.com>
440 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
441 check if either operand is divisible by C.
442 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
443 If type is signed, consider negative numbers as well.
445 2001-02-22 Richard Henderson <rth@redhat.com>
447 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
448 reach .text instead of gp-relative relocs.
449 * config/ia64/crtend.asm (.init): Likewise.
451 2001-02-22 Andreas Jaeger <aj@suse.de>
453 * extend.texi (C++ Attributes): Fix typo.
455 2001-02-21 David Mosberger <davidm@hpl.hp.com>
457 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
458 functions, drop current_function_args_info.words test.
459 (ia64_compute_frame_size): Mark syscall_linkage functions as
460 using eight input registers.
462 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
463 Bruce Korb <bkorb@gnu.org>
465 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
466 * fixinc/README: Document how to convert sed substitutions
467 to format style c_fix-es.
468 * fixinc/fixincl.x: regen
470 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
472 * gcc.c: Add comment explaining how to add a command-line option.
473 Add title to specs language comment.
475 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
477 * gcc.c (cc1_options): Add "-param".
478 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
479 (option_map): Likewise.
480 * toplev.c (display_help): Add entry for "--param".
481 (independent_decode_option): Fix typographical error.
483 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
484 Bernd Schmidt <bernds@redhat.com>
485 Jan Hubicka <jh@suse.cz>
487 * i386.c (function_arg_advance): Pass SSE arguments in registers.
488 (function_arg): Likewise.
490 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
492 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
494 2001-02-21 Kazu Hirata <kazu@hxi.com>
496 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
500 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
502 * flow.c (init_propagate_block_info): Canon address and use single_set
503 for killing dead memory stores.
505 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
507 * Makefile.in (reorg.o): Add params.h dependence.
508 * params.def: Fix typographical error in comment.
509 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
510 * params.h: Modify introductory comment.
511 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
512 * reorg.c: Add dependence on params.h.
513 (redundant_insn): Add parameterized throttle for search.
514 (fill_simple_delay_slots): Add a comment explaining a variable.
515 Move conditional out of loop, simplifying code.
516 (fill_eager_delay_slots): Fix typographical error in comment.
518 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
520 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
522 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
523 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
525 2001-02-21 Jason Merrill <jason@redhat.com>
527 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
528 (struct tree_decl): Add uninlinable bitfield.
529 * c-decl.c (duplicate_decls): Set it.
530 * integrate.c (function_cannot_inline_p): Check it.
532 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
533 DW_AT_MIPS_linkage_name to abstract methods.
534 (dwarf2out_abstract_function): Emit class context before calling
535 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
536 (gen_subprogram_die): Remove obsolete code.
537 (gen_member_die): Don't include clones in the member list.
538 (gen_decl_die): Emit abstract info for clone origin.
539 * dwarfout.c (output_type): Don't include clones in the member list.
540 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
541 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
542 DECL_ABSTRACT on a function that already has it set.
544 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
545 (get_subprogram_die): Pass it in.
547 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
549 * flow.c (mark_set_1): Make not_dead unsigned long. For
550 non-pseudos, use it as a bitmask of the hard regs that
553 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
555 * cppfiles.c: Update comments.
556 (_cpp_read_file): Don't check for NULL filenames any more.
557 * cppinit.c (cpp_start_read): Don't do canonicalization of
558 in_fname and out_fname. Use the passed file name exclusively.
559 (_cpp_handle_options): Don't treat "-" as a command line option,
560 but as a normal filename.
561 (_cpp_post_options): Canonicalize in_fname and out_fname.
562 * cppmain.c (printer_init): Don't check out_fname for NULL.
563 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
564 (init_c_lex): Update, and use "" to represent stdin to CPP.
567 2001-02-20 Will Cohen <wcohen@redhat.com>
569 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
570 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
571 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
574 2001-02-20 Stan Shebs <shebs@apple.com>
576 * config/rs6000/rs6000.c (output_cbranch): Output branches
577 on separate lines instead of using ';' to separate.
579 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
581 * cppinit.c (set_lang): Move builtin handling to...
582 (init_builtins): ...here.
583 (_cpp_create_reader): Move call to set_lang.
585 2001-02-20 Mark Mitchell <mark@codesourcery.com>
587 * stmt.c (expand_return): If an attempt is made to return the
588 error_mar_node, treat the return like a return without a value.
590 2001-02-19 Zack Weinberg <zackw@stanford.edu>
592 * sibcall.c (skip_copy_to_return_value): Call
593 identify_call_return_value here, and return orig_insn if it
594 returns zero. Hardret and softret arguments now unnecessary.
595 (call_ends_block_p): Don't call identify_call_return_value here.
597 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
599 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
600 * ggc.h (ggc_mark_if_gcable): Delete prototype.
602 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
604 * pa.c (move_operand): Accept code to load the address of a
605 symbol out of the DLT as a valid move operand.
606 (print_operand, case 'A'): New to handle generating a DLT
607 reference for a LO_SUM expression.
608 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
609 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
611 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
613 * README, cpp.texi, gcc.texi, version.c: Update version number to
615 * cpp.1, gcov.1, gcc.1: Regenerate.
617 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
619 * cppfiles.c (stack_include_file): Generate dependencies
620 here, and manage include_count here too.
621 (PRINT_THIS_DEP): Delete.
622 (_cpp_execute_include): Do not generate dependencies here,
623 apart from the case of a missing header. Do not manage
625 (_cpp_read_file): Leave dependency generation to
628 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
630 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
631 target_cpu_default. Remove dead assignment to
634 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
636 * regclass.c (contains_reg_of_mode): Make global.
637 (init_reg_sets): Remove contains_reg_of_mode; take into account
638 CLASS_MAX_NREGS when looking for the proper mode.
639 (dump_regclass): Dump only classes considered for the pseudo.
640 (regclass): Use contains_reg_of_mode.
642 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
644 * gcc.c (do_spec_1): 'n' for printing notices.
645 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
647 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
649 * reg-stack.c (next_flags_user): Use current_block->end
650 (swap_rtx_condition): Look for next user if flags don't die;
651 give up on CALL_INSNs; use current_block->end.
653 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
655 * sibcall.c (call_ends_block_p): New function.
656 (optimize_sibling_and_tail_recursive_call): Use it.
658 2001-02-18 Kazu Hirata <kazu@hxi.com>
660 * config/h8300/h8300.md: Update copyright.
661 (andsi3): Do not output an extra newline character.
663 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
665 * toplev.c (note_deferral_of_defined_inlined_function): Argument
666 FNDECL may be unused.
668 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
669 follow jumps after first run.
670 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
671 it doesn't change any jumps.
673 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
675 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
676 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
677 (mostlyclean): Corresponding changes.
678 * rtlanal.c (hard-reg-set.h): Include.
679 (rtx_unstable_p): Do not treat the argument pointer specially
680 if it is not a fixed register.
681 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
683 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
685 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
686 against last real insn in basic block.
687 Rework to avoid gotos.
689 * Makefile.in (gcse.o): Now includes ggc.h.
690 * gcse.c: Include ggc.h.
691 (want_to_gcse_p): Verify expression can be in SET as valid insn.
692 (try_replace_reg): Remove warning of uninitialize variable.
693 (process_insert_insn): Call invalid_insn_p to validate insn.
694 * recog.c (insn_invalid_p): Now global.
695 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
696 * recog.h (insn_invalid_p): New declaration.
698 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
700 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
701 assignments from FP constants since 'Y' output code can't handle it.
702 (eligible_for_sibcall_delay): Likewise.
704 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
705 Call fancy_abort directly, passing args.
706 (print_rtl_and_abort): Now a macro, like fancy_abort.
708 * final.c (output_operand_lossage): Use internal_error, not error.
710 2001-02-18 Shane Nay <shane@agendacomputing.com>
712 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
713 structure shift insns.
715 2001-02-18 Mark Mitchell <mark@codesourcery.com>
717 * invoke.texi (-fsquangle): Remove documentation.
718 (-fname-mangling-version): Likewise.
720 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
722 * optabs.c (expand_abs): Remove reference to
723 HAVE_contitional_arithmetic.
724 * combine.c (simplify_set): Likewise.
726 2001-02-18 Richard Henderson <rth@redhat.com>
728 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
731 2001-02-18 Richard Henderson <rth@redhat.com>
733 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
735 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
737 * reload1.c (reload_cse_simplify_set): Fix typo.
739 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
741 * diagnostic.c (_fatal_insn): Decrement errorcount.
743 * invoke.texi (-I): Add note avoiding use for system header files.
745 * rtl.h (add_clobbers): Remove duplicate declaration.
746 * recog.h (added_clobbers_hard_reg_p): New declaration.
747 * genemit.c (struct clobber_pat): New field has_hard_reg.
748 (gen_insn): Record if added clobbers clobber hard reg.
749 (gen_split): Avoid unused warning if number of operands is 0.
750 (output_added_clobbers_hard_reg_p): New function.
753 2001-02-18 Alan Modra <alan@linuxcare.com.au>
755 * pa.c (hppa_expand_prologue): Simplify code storing return
756 pointer. For large (>=8k) frames with a post_store, adjust stack
757 pointer by 8k-64 first rather than by 64. When testing with
758 VAL_14_BITS_P, always use the actual value rather than the value
759 negated. Add blockage to prevent scheduling of spills before
760 stack frame has been created.
761 (hppa_expand_epilogue): Simplify code loading return pointer.
762 Allow a slightly larger range for merge_sp_adjust_with_load case.
763 When testing with VAL_14_BITS_P, always use the actual value.
765 * pa.c (pa_adjust_insn_length): Check that block move
766 pattern is a set before looking at operands.
768 2001-02-17 Mark Mitchell <mark@codesourcery.com>
770 * fold-const.c (fold_binary_op_with_conditional_arg): New
771 function, split out from ...
773 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
774 conditional arms that throw exceptions.
776 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
779 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
781 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
782 define HAVE_DECL_* to 1 to mask potential backup declarations.
783 * configure: Regenerated.
785 2001-02-17 Mark Mitchell <mark@codesourcery.com>
787 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
789 2001-02-17 Richard Henderson <rth@redhat.com>
791 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
792 when replacing a memory load with a register.
794 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
795 Jan Hubicka <jh@suse.cz>
797 * recog.c (validate_replace_src_1): New.
798 (validate_replace_src_data): Likewise.
799 (validate_replace_src): Use note_uses.
800 * rtl.h (note_uses): Declare.
801 * rtlanal.c (note_uses): New.
803 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
805 * reg-stack.c (stack_def): Make field reg unsigned.
806 (remove_regno_note): Unsignetize parameter.
808 2001-02-16 Jes Sorensen <jes@linuxcare.com>
810 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
811 shladd_operand() call.
813 2001-02-16 Bruce Korb <bkorb@gnu.org>
814 Rodney Brown <RodneyBrown@mynd.com>
816 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
817 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
819 * fixinc/fixincl.x: regen
821 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
823 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
825 (hash_scan_insn): Clean up calls to hash_scan_set.
826 (compute_kill_rd): REGNO now unsigned.
827 (try_replace_reg): Rework to use simplify_replace_rtx.
828 (cprop_jump, cprop_cc0_jump): Likewise.
829 (cprop_insn): Call find_reg_equal_equiv_note.
830 Reflect changes to cprop_jump and cprop_cc0_jump.
832 * recog.c (validate_replace_src): Replace in operands of
833 ZERO_EXTRACT in SET_DEST.
835 * cse.c (new_label_ref): New variable.
836 (insert): Set it instead of recorded_label_ref.
837 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
838 CODE_LABEL for this function, and not already in REG_LABEL note.
840 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
842 * resource.c (mark_referenced_resources): Fix typo in introductory
844 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
847 2001-02-16 Jason Merrill <jason@redhat.com>
849 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
851 (gen_subprogram_die): Don't abort on seeing a second definition if
852 the previous one was abstract. Don't replace an abstract instance
855 * dwarf2out.c (dwarf2out_abstract_function): Rename from
856 gen_abstract_function.
857 * dwarf2out.h: Declare it.
858 * toplev.c (note_outlining_of_inline_function): New fn.
859 * toplev.h: Declare it.
860 * integrate.c (output_inline_function): Call it.
861 * c-decl.c (duplicate_decls): Call it when redefining an extern
862 inline. Don't inline the new defn.
864 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
866 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
868 * .gdbinit: Rename to gdbinit.in.
869 * gdbinit.in: New file,
870 * configure.in: Generate .gdbinit from gdbinit.in.
871 * configure: Regenerated.
872 * Makefile.in (distclean): Always remove .gdbinit.
874 2001-02-16 Jakub Jelinek <jakub@redhat.com>
876 * objc/objc-act.c (start_class): Register implemented_classes with
879 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
881 * cppfiles.c (_cpp_make_system_header): Generate a file
884 2001-02-15 Jim Meyering <meyering@lucent.com>
886 * Makefile.in (install-common): Don't depend on installdirs here.
887 Instead, make each of the lang.install-common targets (e.g.,
888 c++.install-common in cp/Make-lang.in) depend on it.
889 (install-driver): Depend on installdirs.
891 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
893 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
895 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
898 2001-02-15 Mark Mitchell <mark@codesourcery.com>
900 * invoke.texi (--param): Document.
902 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
904 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
906 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
908 * i386.md (extendsfdf2_2): Fix constraints.
910 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
912 * i386.md (fop_df_3 splitter): Fix operand number.
914 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
916 * invoke.texi (-mreg-alloc): Nuke.
917 * i386.c (ix86_reg_alloc_order, regs_allocated,
918 order_regs_for_local_alloc): Nuke.
919 (override_options): Kill reg_alloc code.
920 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
921 (REG_ALLOC_ORDER): SSE goes before I387.
922 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
923 (ix86_reg_alloc_order): Likewise.
924 * i386-protos.h (ix86_reg_alloc_order): Kill.
926 2001-02-14 Richard Henderson <rth@redhat.com>
928 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
930 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
932 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
934 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
936 * i386-protos.h (ix86_memory_move_cost): Move offline.
937 * i386.c (ix86_register_move_cost): Compute properly cost of
938 SSE, MMX and i387 instructions.
939 (*_cost): Add costs of SSE/MMX moves.
940 (ix86_memory_move_cost): Move offline from ....; Likewise.
941 * i386.h (MEMORY_MOVE_COST): .... here;
942 (struct processor costs): Add new fields to represent costs
945 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
947 * regclass.c (init_reg_sets_1): Reinstall the optimization of
948 move_cost together with Matt Kraai's fix.
950 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
952 * Makefile.in (OBJS): Add params.o.
954 2001-02-14 Richard Henderson <rth@redhat.com>
955 DJ Delorie <dj@redhat.com>
957 * jump.c (jump_optimize_1): When we delete a conditional jump
958 preceeding a non-conditional jump to effectively the same place,
959 make sure that the combined jump skips any clobber insns between
962 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
964 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
966 2001-02-14 Mark Mitchell <mark@codesourcery.com>
968 * Makefile.in (toplev.o): Depend on params.h.
969 (intergate.o): Likewise.
970 (params.o): New target.
971 * flags.h (inline_max_insns): Remove.
972 * integrate.c: Include params.h.
973 Use MAX_INLINE_INSNS instead of inline_max_insns.
974 * params.c: New file.
975 * params.h: Likewise.
976 * params.def: Likewise.
977 * toplev.c: Include params.h.
978 (lang_independent_params): New variable.
979 (decode_f_option): Use the param machinery instead of setting
981 (independent_decode_option): Handle "--param name=value".
982 (main): Register language-independent parameters.
984 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
986 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
988 2001-02-14 Richard Henderson <rth@redhat.com>
990 * regclass.c (init_reg_sets_1): Revert last two changes.
992 2001-02-14 Jakub Jelinek <jakub@redhat.com>
994 * stor-layout.c (is_pending_size, put_pending_size): New functions.
995 (variable_size): Call put_pending_size.
996 * tree.h (is_pending_size, put_pending_size): Add prototypes.
997 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
998 sizes list, put newly created SAVE_EXPR there as well.
1000 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1002 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1003 (errata_find_address_regs): load_group has only 2 entries.
1004 (errata_emit_nops): Likewise. shladd is not problematic.
1005 Clear last_group if nop was emitted.
1006 (fixup_errata): load_group has only 2 entries.
1009 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1011 * c-lex.c (lex_number): Only warn traditionally for U suffix
1012 outside system macros.
1013 * cppexp.c (parse_number): Similarly.
1014 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1015 * cppmacro.c (struct cpp_macro): New member node.
1016 (parse_args): Only warn about missing rest args if not
1018 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1019 (cpp_sys_objmacro_p): New.
1020 (_cpp_create_definition): Store the node with the macro defn.
1021 Remember if the macro is defined in a system header.
1023 2001-02-13 DJ Delorie <dj@redhat.com>
1025 * configure.in (check_languages): determine languages to check
1026 * Makefile.in (check-c++): alias for check-g++
1027 (check-f77): alias for check-g77
1028 (CHECK_TARGETS): depend on configured languages
1030 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1032 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1033 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1034 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1035 (sqrtextendsfdf2): Disable for SSE2.
1037 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1039 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1040 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1041 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1042 (sqrtextendsfdf2): Disable for SSE2.
1044 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1046 * i386.md (movsfcc_1): Support integer cmove instruction.
1047 (movdfcc_1): Likewise; new splitter.
1049 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1051 * i386.c (output_fp_compare): Support SSE.
1052 (prepare_fp_compare_args): SSE comparisons always support memory.
1053 * i386.h (TARGET_CMOVE): SSE imply cmove.
1054 * i386.md (cmp?f2): Enable for SSE too.
1055 (cmpfp_i*): Support SSE.
1057 (cmpfp_i_sse_only): New.
1058 (s*, b* fp expanters): Enable for SSE too.
1059 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1062 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1064 * regclass.c (init_reg_sets_1): Silence warning.
1066 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1068 * i386.md (sqrt?f2): Change to expander.
1069 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1071 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1073 * rtlanal.c (find_reg_equal_equiv_note): New function.
1074 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1075 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1076 * rtl.h: Add declarations for above functions.
1078 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1080 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1082 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1083 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1084 * flow.c (mark_regs_live_at_end): Likewise.
1085 (calculate_global_regs_live): Likewise.
1086 * gcse.c (compute_hash_table): Likewise.
1087 (compute_kill_rd): Likewise.
1088 * resource.c (mark_target_live_regs): Likewise.
1089 * rtl.h (INVALID_REGNUM): New macro.
1091 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1093 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1095 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1097 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1100 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1102 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1104 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1105 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1106 (fop_sf_1_sse, fop_df_1_sse): New patterns
1107 (fop_*): Disable float_extend and float patterns for SSE compilation.
1108 * i386.c (output_387_binary_op): Support SSE.
1110 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1112 * i386.md (dummy_extendsfdf2): Support SSE2
1113 (extendsfdf2): Enable if 80387 or SSE2.
1114 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1115 and no MIX_I387_SSE2
1116 (extendsfdf2_1_sse_only): New pattern.
1117 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1119 (truncdfsf2_1): Support SSE.
1120 (truncdfsf2_2): Support SSE.
1121 (truncdfsf2_2_1_sse): New pattern.
1122 (fixtruncsfsi2): Always use SSE if available.
1123 (fix_truncsfsi_sse): New pattern.
1124 (fix_truncdfsi_sse): New pattern.
1125 (floatsis?f2): Support SSE.
1126 (floatsidf2_i387): New pattern.
1127 (floatsidf2_sse): Likewise.
1129 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1131 * configure.in: Use "have_gnat" variable, not "gnat".
1132 * configure: Regenerated.
1134 * config/sparc/sparc.c (function_value): Treat all non-record
1135 aggregate types like used to treat UNION_TYPE.
1137 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1139 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1140 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1142 (MASK_MIX_SSE_I387): New.
1143 (TARGET_SSE): SSE2 imply SSE.
1144 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1145 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1146 (enum reg_class): Add new classes.
1147 (REG_CLASS_NAMES): Likewise.
1148 (REG_CLASS_CONTENTS): Likewise.
1149 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1150 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1151 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1152 (CLASS_MAX_NREGS): Use new macros.
1153 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1154 * i386.md (pushsf, movsf): Support SSE.
1155 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1156 splitters to use ANY_FP_REGNO_P.
1157 (movdf_nointeger, movdf_integer): Likewise.
1159 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1161 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1162 (try_combine): Use it.
1164 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1166 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1167 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1168 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1169 (REGISTER_MOVE_COST): Likewise.
1170 * i386-protos.h (ix86_secondary_memory_needed,
1171 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1172 * i386.c (ix86_secondary_memory_needed,
1173 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1175 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1177 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1178 (HARD_REGNO_MODE_OK): Move offline to ....
1179 * i386.c (ix86_hard_regno_mode_ok) ... here;
1180 refuse all incorrect modes.
1181 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1183 2001-02-13 Richard Henderson <rth@redhat.com>
1185 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1186 entire operator; replicate that and match_dup the operands.
1187 (cmp_ccx_arith_op_set): Likewise.
1188 (cmp_cc_arith_op_not_set): Likewise.
1189 (cmp_ccx_arith_op_not_set): Likewise.
1191 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1193 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1195 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1197 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1198 (TARGET_NO_BITFIELD_WORD): New macro.
1199 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1200 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1202 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1204 * cselib.c: New file, from simplify-rtx.c.
1205 * simplify-rtx.c: Remove cselib parts.
1206 * Makefile.in: Add cselib.o.
1208 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1210 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1211 (setup_incoming_varargs): Remove warning.
1213 * config/rs6000/rs6000.c (validate_condition_mode): When
1214 flag_fast_math, allow floating-point conditionals to be reversed.
1215 (rs6000_generate_compare): When flag_fast_math, don't generate
1216 cror operations for FP conditionals.
1218 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1220 (ASM_SPEC): Likewise.
1221 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1222 (CC1_SPEC): Likewise.
1223 (LINK_TARGET_SPEC): Likewise.
1224 (CPP_ENDIAN_SPEC): Likewise.
1225 * Makefile.in (check-consistency): New target.
1227 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1229 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1230 "return type defaults" warning for functions with return type
1232 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1233 function declarations by default rather than only when pedantic.
1235 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1237 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1240 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1242 * extend.texi (Deprecated): Deprecate new initializer lists.
1244 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1246 * mkdeps.c (deps_add_default_target): Robustify. Add
1247 basename component only.
1248 * cpp.texi (-M): Describe how default target is generated.
1249 * invoke.texi (-M): Likewise.
1251 2001-02-12 Kazu Hirata <kazu@hxi.com>
1253 * toplev.c (push_float_handler): Remove.
1254 (pop_float_handler): Remove.
1255 * toplev.h: Remove prototypes for the above functions.
1257 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1259 * c-common.c (constant_fits_type_p): New function.
1260 (convert_and_check): Use it.
1262 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1264 * Makefile.in (GXX_ABI_FLAG): Don't define.
1265 * configure.in (--enable-new-gxx-abi): Remove option.
1266 * config.in: Regenerated.
1267 * configure: Likewise.
1269 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1271 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1273 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1274 regular basic block, and arrange for all edges into it to switch
1277 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1279 * Makefile.in (distclean): Do not remove .gdbinit.
1281 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1283 * Makefile.in (gcc.o): Fix typos.
1284 (protize.o): Likewise.
1285 (unprotoize.o): Likewise.
1287 2001-02-11 Richard Henderson <rth@redhat.com>
1289 * tree.c (build1): Check for null operand in last change.
1291 2001-02-11 Richard Henderson <rth@redhat.com>
1293 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1294 (fold): Don't assume a constant isn't foldable.
1295 * tree.c (build): Set TREE_CONSTANT for an expression with no
1296 side-effects and constant operands.
1299 2001-02-10 Richard Henderson <rth@redhat.com>
1301 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1303 2001-02-10 Anthony Green <green@redhat.com>
1305 * cpp.texi (Standard Predefined): Add documentation for
1308 * c-common.c (combine_strings): Improve warning message.
1310 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1312 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1314 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1316 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1318 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1321 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1323 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1326 2001-02-09 Nick Clifton <nickc@redhat.com>
1328 * config/arm/arm.md: Change output contraint on post inc
1329 load/store multiple patterns to be a read/write contraint.
1331 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1333 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1334 .o files when using the -M options.
1336 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1337 David Edelsohn <edelsohn@gnu.org>
1339 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1340 handle DImode constants. Use one TOC entry for SImode and smaller
1341 constants, aligned properly.
1343 2001-02-08 Jason Merrill <jason@redhat.com>
1345 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1346 about the SP adjustment for saving the static chain pointer.
1347 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1348 offset when setting a temporary CFA register.
1350 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1352 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1353 powerpc-*-chorusos* .
1354 * config/rs6000/chorus.h : New file.
1355 * config/i386/chorus.h : New file.
1356 * config/sparc/chorus.h : New file.
1357 * config/sparc/t-chorus-elf : New file.
1359 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1361 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1362 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1363 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1364 (__WCHAR_TYPE__): Correct macro name.
1366 2001-02-08 Richard Henderson <rth@redhat.com>
1368 * config/i386/i386.c (ix86_frame_pointer_required): New.
1369 (ix86_setup_frame_addresses): New.
1370 (struct machine_funciton): Add accesses_prev_frame.
1371 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1372 ix86_frame_pointer_required.
1373 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1374 (SETUP_FRAME_ADDRESSES): New.
1375 * config/i386/i386-protos.h: Update.
1376 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1377 from FRAME_POINTER_REQUIRED.
1378 * config/i386/svr3gas.h: Likewise.
1379 * config/i386/sysv3.h: Likewise.
1380 * config/i386/v3gas.h: Likewise.
1382 2001-02-08 Richard Henderson <rth@redhat.com>
1384 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1385 calculation of the number of integer registers required.
1386 (function_arg_record_value): Likewise.
1388 2001-02-08 Jason Merrill <jason@redhat.com>
1390 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1391 two. Print file and line with "confused" message.
1393 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1395 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1397 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1399 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1401 * final.c (cleanup_subreg_operands): The address of a MEM can
1404 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1407 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1409 * gcc.texi (Incompatibilities): Update documentation of
1410 preprocessing numbers.
1412 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1414 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1416 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1418 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1420 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1421 * gcc.c (struct compiler): Add cpp_spec field.
1422 (input_file_compiler): New variable.
1423 (do_spec_1): Allow a particular compiler to handle `%C'
1425 (main): Store the current compiler in input_file_compiler.
1426 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1428 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1430 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1431 * cppinit.c (cpp_create_reader): Initialize them.
1432 (append_include_chain): cxx_aware arg might be unused.
1433 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1434 keywords and give them their phase 7 meaning. Pedwarn about
1435 this unless '__bool_true_false_are_defined' is defined.
1437 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1439 * lcm.c (optimize_mode_switching): Emit mode_set before the
1440 JUMP_INSN of an abnormal edge.
1442 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1444 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1445 a scheduling barrier at the end.
1447 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1449 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1451 * config/sh/sh.md (reload_outsf): Removed.
1452 (movsf_ie): Introduce constraints for FPUL loads and stores.
1453 (reload_insf): Broaden the output constraint.
1455 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1457 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1458 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1460 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1462 * final.c: Revert my previous changes.
1463 * output.h: Make profile_label_no extern.
1464 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1465 for generating label.
1467 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1469 * config/i386/djgpp.h: Add comments about standard paths.
1470 (MD_EXEC_PREFIX): Undefine before defining.
1471 (MD_STARTFILE_PREFIX): New.
1473 2001-01-30 Bruce Korb <bkorb@gnu.org>
1475 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1476 (load_file): do not rely on load_file_data() to close file pointer
1477 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1478 fixinc/inclhack.def(irix_limits_const): add test_text
1480 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1482 * cppexp.c (parse_defined): Improve diagnostics for invalid
1485 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1487 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1489 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1491 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1492 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1493 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1494 (rs6000_output_symbol_ref): New function.
1495 (output_toc): Use VTABLE_NAME_P.
1497 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1499 * print-tree.c (print_node, case PARM_DECL):
1500 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1502 * stor-layout.c (reference_types_internal): New variable.
1503 (internal_reference_types): New function.
1504 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1505 * tree.h (internal_reference_types): New declaration.
1507 * cse.c (find_best_addr): Fix typo in computing cost.
1509 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1511 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1512 and this is the sum of a pointer and a constant, we know the result
1514 (num_sign_bit_copies, case PLUS): Likewise.
1515 * explow.c (convert_memory_address): Remove opposite SUBREG.
1516 * function.c (instantiate_new_reg): New function (from common code).
1517 (instantiate_virtual_regs_1): Call it.
1518 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1519 if pointers sign- or zero-extend.
1520 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1521 If pointers extend unsigned, use inside of SUBREG.
1522 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1524 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1526 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1527 subdir of gcc_gxx_include_dir.
1528 (gcc_gxx_target_include_dir): Remove.
1530 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1532 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1533 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1534 a high-level description.
1536 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1538 * final.c: Move the declaration of profile_label_no to ...
1539 * output.h: ... here.
1540 * function.c (expand_function_start): Call PROFILE_HOOK.
1541 * config/rs6000/aix.h: Define PROFILE_HOOK.
1542 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1543 * config/rs6000/rs6000.c (output_profile_hook): Define.
1544 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1545 output_profile_hook.
1546 tm.texi : Explain new macro PROFILE_HOOK.
1548 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1550 * extend.texi (Extended Asm): Do not say that semicolon is always
1551 a valid line-breaking character for GNU assemblers. Use
1552 newline-tab as the most commonly supported syntax. Use
1553 newline-tab rather than semicolon in multi-insn examples.
1555 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1557 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
1559 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1560 David Edelsohn <edelsohn@gnu.org>
1562 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
1563 code for AIX, even without flag_pic.
1565 2001-02-05 Jakub Jelinek <jakub@redhat.com>
1567 * c-typeck.c (common_type): push and pop binding level around
1568 calling common_type on function parameters.
1570 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
1572 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
1574 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1576 * config/mips/mips.c (override_options): Fix typo in last change.
1577 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
1578 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
1580 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
1582 * invoke.texi (-fdump-class-layout): Document.
1583 (-fdump-translation-unit): Use `=' as filename separator.
1585 2001-02-05 Mark Mitchell <mark@codesourcery.com>
1587 * Makefile.in (s-mlib): Don't build multilibs if
1589 (DRIVER_DEFINES): Adjust accordingly.
1591 (protoize.o): Likewise.
1592 (unprotoize.o): Likewise.
1593 * configure.in: Recognize --enable-multilib.
1595 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1597 * Makefile.in (DRIVER_DEFINES): Fix quoting.
1599 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
1600 * configure.in: Remove --enable-libstdcxx_v3 support.
1601 * configure: Regenerated.
1603 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1605 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
1606 Call abort instead of fatal.
1607 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
1608 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
1609 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
1610 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
1611 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
1612 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
1614 * diagnostic.h (set_internal_error_function): Renamed.
1615 * toplev.h (internal_error): Renamed from fatal.
1616 (pfatal_with_name): Deleted.
1617 (fatal_io_error): Now has printf-style arguments.
1618 * diagnostic.c (pfatal_with_name): Deleted.
1619 (fatal_io_error): Rework to have args in printf-style.
1620 (set_internal_error_function): Renamed from set_fatal_function.
1621 (internal_error): Renamed from fatal.
1622 (error_recursion, fancy_abort): Call internal_error instead of fatal.
1623 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
1624 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
1625 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
1626 * flow.c (verify_flow_info): Likewise.
1627 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1628 * config/mips/mips.c (save_restore_insns): Likewise.
1630 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1631 * flow.c (verify_flow_info): Likewise.
1632 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1633 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1634 (avr_normalize_condition): Likewise.
1635 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1636 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1637 (limit_reload_class, double_reg_to_memory): Likewise.
1638 (print_operand_address, emit_1600_code_shift): Likewise.
1639 (gen_tst_reg, gen_compare_reg): Likewise.
1640 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1641 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1643 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1645 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1646 * objc/objc-act.c (build_ivar_chain): Likewise.
1647 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1649 * graph.c (clean_graph_dump_file): Likewise.
1650 * profile.c (init_branch_prob): Likewise.
1651 * objc/objc-act.c (objc_init): Likewise.
1653 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1654 * config/avr/avr.c (avr_override_options): Likewise.
1655 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1656 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1657 * config/h8300/h8300.c (h8300_init_once): Likewise.
1658 * config/mips/mips.c (override_options): Likewise.
1659 * config/i386/i386.c (override_options): Likewise, rework.
1660 * config/m68k/m68k.c (override_options): Likewise.
1662 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1664 * config/mips/mips.c (print_operand): Likewise.
1665 * hash.c (hash_allocate): Don't check for failure returns from
1666 obstack functions that can't fail.
1667 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1668 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1669 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1670 (get_object_reference): Likewise.
1672 2001-02-04 Nick Clifton <nickc@redhat.com>
1674 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1675 StrongARM1110, 10TDMI, and 1020T.
1677 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1679 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1681 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1683 * config/sh/sh.md (movdf load split): Pass register number to
1684 FP_OR_XD_REGISTER_P.
1686 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1688 * cppinit.c (BC): New macro.
1689 (builtin_array): Add __GXX_WEAK__.
1690 * cpplib.h (builtin_type): Add BT_WEAK.
1691 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1692 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1693 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1695 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1697 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1699 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1701 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1702 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1704 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1706 * cpphash.h: Rename ALIGN _ALIGN.
1707 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1709 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1711 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1712 compilation environment.
1713 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1714 control over location of cygwin includes and libs.
1716 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1718 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1720 2001-02-02 lars brinkhoff <lars@nocrew.org>
1722 * md.texi (Standard Names): remove reference to spur.md.
1724 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1726 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1727 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1728 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1729 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1730 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1732 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1734 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1735 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1736 number before reload.
1737 (c4x_adjust_cost): Return zero before reload.
1738 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1739 split before reload.
1741 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1743 * c4x.c (c4x_hard_regno_rename_ok): New.
1744 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1745 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1747 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1749 * diagnostic.h: Add missing "extern" in all declarations.
1751 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1753 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1754 as for gcc_gxx_include_dir.
1756 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1758 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1760 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1762 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1763 label before alignment to be used as the braf base address.
1764 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1766 (casesi_jump_2): Require at least TARGET_SH2.
1768 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1769 truncation to 32-bit doubles on -m3e and -m4-single-only.
1771 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1773 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1774 the default when building a shared object.
1775 (init_spec): Use it.
1776 * testsuite/lib/g++.exp: Include the directory where libgcc
1777 is located to the LD_LIBRARY_PATH list.
1778 * invoke.texi (-shared-libgcc): Document the cases in which
1779 GCC defaults to using the shared libgcc.
1781 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1783 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1784 unsigned is wide enough.
1786 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1787 (si_to_float): Likewise.
1788 (float_to_si, float_to_usi): Use BITS_PER_SI.
1790 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1792 * dwarf2out.c: Added explanation of abbreviations.
1793 (def_cfa_1): Added comments listing DWARF2 instructions.
1794 (cfa_temp_reg): Removed in favor of cfa_temp.
1795 (cfa_temp_value): Removed in favor of cfa_temp.
1796 (cfa_temp): New global variable.
1797 (dwarf2out_frame_debug_expr): Added extensive introductory
1798 comments explaining the function's transformations. Revised to
1799 use cfa_temp. Added some rtx checking. Generalize IOR case.
1800 (dwarf2out_frame_debug): Revised to use cfa_temp.
1801 (output_aranges): Cast as "unsigned" to avoid warning.
1802 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1803 explain which instructions must be marked.
1805 2001-02-01 Richard Henderson <rth@redhat.com>
1807 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1810 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1812 * config/sh/crt1.asm (main_k): Modified so that start calls
1813 ___setup_argv_and_call_main.
1815 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1817 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1818 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1819 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1820 * cppmacro.c (builtin_macro): Set builtin flags here.
1821 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1822 (replace_args): Clarify intent.
1823 (cpp_get_token): Macro expansion tokens get the saved flags.
1825 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1828 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1830 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1833 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1835 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1836 returns Pmode pseudo, but we need ptr_mode.
1837 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1838 Remove bogus conversions; use HOST_WIDE_INT for size.
1839 Don't use TARGET if wrong mode.
1841 * config/i386/i386.c (ix86_compute_frame_size): Allow
1842 stack_alignment_needed to be non-default even if size is zero.
1844 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1846 * (hppa_init_pic_save): Emit the pic offset table
1847 reg save after last_parm_insn.
1848 * pa.c (hppa_init_pic_save): New function.
1849 * pa.h (hppa_init_pic_save): Declare.
1850 * pa.md (call, call_value, sibcall, sibcall_value): Use
1851 the above instead of duplicated code.
1853 * pa.c (hppa_encode_label): Correct size of alloca buffer
1854 so we don't overrun it. Correct leading `*' case.
1855 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1856 need to handle `*@'.
1857 (FUNCTION_NAME_P): Likewise.
1859 2001-01-31 Richard Henderson <rth@redhat.com>
1861 * config.gcc (alpha-osf5): Use float-i128.h.
1863 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1864 * config/float-i32.h: Likewise.
1865 * config/float-i64.h: Likewise.
1866 * config/float-sh.h: Likewise.
1867 * config/float-sparc.h: Likewise.
1869 2001-01-31 DJ Delorie <dj@redhat.com>
1871 * expmed.c (extract_bit_field): allow non-integral modes if we
1872 want to extract a whole register from itself.
1874 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1876 * c-typeck.c (set_init_index): If first is equal to last, assume as
1877 if it was not a range at all.
1879 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1881 * config/fp-bit.c: Include tm.h.
1882 (float_to_si): Don't assume SImode is 32-bits wide.
1883 (float_to_usi): Likewise.
1885 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1887 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1889 (typename): Call pending_xref_error after parsing typed_typespecs.
1890 * c-decl.c (lookup_tag): Give error immediately rather than
1891 leaving it pending if the tag of the wrong type is in the same
1893 (xref_tag): Don't pedwarn for forward declarations of enum types
1895 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1898 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1900 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1902 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1904 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1905 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1907 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1909 * cpphash.h (struct cpp_reader): New saved_flags.
1910 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1911 to avoid a paste after a pasted token.
1913 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1915 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1916 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1917 Wtype_MIN instead of LONG_MIN.
1919 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1921 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1923 * fixinc/fixincl.x: Regenerated.
1924 * fixinc/inclhack.def (irix_limits_const): New definition to
1925 convert "const" to "__const" in limits.h.
1927 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1929 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1931 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1933 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1934 when register dies in the insn.
1936 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1938 * diagnostic.c (fatal): Fix word wrap.
1940 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1942 * combine.c (try_combine): Fix SUBREG setting for
1943 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1945 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1947 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1950 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1952 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1954 * toplev.c (decode_W_option): Update warn_larger_than
1955 unconditionally for each processed switch.
1957 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1959 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1961 (hppa_expand_prologue): Delete code to save pic offset table register
1962 in the function prologue.
1963 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1964 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1965 table register at the beginning of the function after the prologue.
1967 2001-01-29 lars brinkhoff <lars@nocrew.org>
1969 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1971 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1972 Jeff Law <law@redhat.com>
1974 * pa.md (return): Revise comment for trivial return.
1975 (return_internal): Non-trivial return pattern for non-PIC code.
1976 (return_internal_pic): Non-trivial return pattern for PIC code.
1977 It uses the PIC register to ensure it is restored after
1979 (epilogue): Generate appropriate return for PIC and non-PIC code.
1981 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1983 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1985 2001-01-29 DJ Delorie <dj@redhat.com>
1987 * combine.c (if_then_else_cond): Pass the correct mode to
1988 operand_subword() for constants.
1990 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1992 * config/i386/cygwin.h: Add w32api to include search. Search different
1993 directories in a cross-build environment.
1995 2001-11-29 Tim Josling <tej@melbpc.org.au>
1997 * tree.h (TYPE_STUB_DECL): Add documentation.
1999 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2001 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2002 (sdbout_field_types): Likwise. Fix use of host_integerp.
2004 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2006 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2009 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2011 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2012 to use flag_gnu_linker.
2014 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2016 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2017 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2019 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2021 * tree.c, tree.h (build_parse_node): Remove; was identical to
2023 * c-lang.c (start_cdtor), objc/objc-act.c
2024 (build_module_descriptor): Use build_nt instead of
2027 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2029 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2030 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2031 not have any upper bits set.
2033 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2035 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2037 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2039 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2041 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2043 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2044 (integer_minus_one_node): Define.
2046 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2048 * Makefile.in (bootstrap2-lean): Fix typo.
2050 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2052 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2053 : Don't set fe_value.
2054 * cpplib.h (AVOID_LPASTE): New flag.
2055 (struct cpp_hashnode): Remove fe_value.
2056 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2057 * cppmacro.c (builtin_macro): Don't set flags here.
2058 (replace_args): Set AVOID_LPASTE flag on first token of an
2059 argument, and the token following it.
2060 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2061 macro expansion, and on the token following it. Do it for
2063 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2065 2001-01-27 Richard Henderson <rth@redhat.com>
2067 * config/alpha/t-ieee: Remove multilibbing.
2068 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2070 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2072 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2074 * Makefile.in: Remove all dependencies on defaults.h.
2075 * builtins.c: Don't include defaults.h.
2076 * c-common.c: Likewise.
2077 * c-decl.c: Likewise.
2078 * c-pragma.c: Likewise.
2079 * c-typeck.c: Likewise.
2080 * combine.c: Likewise.
2082 * frame-ia64.c: Likewise.
2083 * cppexp.c: Likewise.
2084 * crtstuff.c: Likewise.
2085 * dbxout.c: Likewise.
2086 * dwarf2out.c: Likewise.
2087 * dwarfout.c: Likewise.
2088 * emit-rtl.c: Likewise.
2089 * except.c: Likewise.
2091 * final.c: Likewise.
2092 * frame-dwarf2.c: Likewise.
2093 * libgcc2.c: Likewise.
2094 * optabs.c: Likewise.
2095 * profile.c: Likewise.
2096 * sdbout.c: Likewise.
2097 * toplev.c: Likewise.
2098 * tradcif.y: Likewise.
2100 * varasm.c: Likewise.
2102 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2104 * builtins.c (expand_builtin_fputs): Use size_one_node when
2105 transforming into fwrite.
2107 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2109 * extend.texi (Attribute Syntax): New section.
2111 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2113 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2114 they didn't need fixing.
2116 2001-01-27 Janis Johnson <janis@us.ibm.com>
2118 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2120 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2121 to remove macro definitions that are duplicated from elfos.h.
2123 2001-01-27 Richard Henderson <rth@redhat.com>
2125 * config/i386/sco5gas.h: Move ...
2126 * config/usegas.h: ... here.
2127 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2129 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2131 * c-typeck.c (struct constructor_stack): Add range_stack member.
2132 (really_start_incremental_init): Clear it.
2133 (push_init_level): Save constructor_range_stack and clear it if
2134 pushing explicit braces.
2135 (pop_init_level): abort if constructor_range_stack is non-zero at
2136 explicit closing brace. Restore saved constructor_range_stack if
2139 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2141 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2142 into register was forced into memory.
2144 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2146 * Makefile.in: Remove uses of + before $(MAKE).
2148 2001-01-26 Richard Henderson <rth@redhat.com>
2150 * stmt.c (cost_table): Remove.
2151 (COST_TABLE, cost_table_initialized): New.
2152 (estimate_case_costs): Use the later instead of the former.
2153 (balance_case_nodes): Likewise.
2155 2001-01-26 Richard Henderson <rth@redhat.com>
2157 * alias.c (objects_must_conflict_p): Read-only slots may not
2158 conflict despite having the same type.
2160 2001-01-27 Michael Hayes <mhayes@redhat.com>
2162 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2164 (check_ext_dependant_givs): Initialise u_start_val and
2166 (load_mems): Make last_max_reg unsigned.
2167 (try_swap_copy_prop): Use INSN_P and initialise set.
2169 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2171 * README.AVR : Removed.
2173 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2175 * pa-64.h (text_section): Remove declaration.
2177 * pa.md (return_internal): Remove mode on PIC register use.
2179 2001-01-25 lars brinkhoff <lars@nocrew.org>
2181 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2182 ASM_CLOSE_PAREN): fix typos.
2184 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2186 * acconfig.h: Define `const' to the empty string if neither
2187 __STDC__ nor __cplusplus is defined.
2188 * config.in: Regenerated.
2190 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2192 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2193 * collect2.c (main): Delete importf. Add ".obj" file extension.
2194 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2195 (aix_std_libs): Add additional AIX libraries to skip.
2196 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2197 * config/rs6000/aix51.h: New file.
2199 2001-01-25 Michael Hayes <mhayes@redhat.com>
2201 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2202 (loop_insn_emit_before): No longer static.
2203 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2204 (loop_givs_rescan, load_mems): Likewise.
2205 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2206 (maybe_eliminate_biv_1):
2207 (move_movables): Replace emit_call_insn_before with
2208 loop_call_insn_hoist.
2209 * loop.h (loop_insn_emit_before): Add.
2210 * unroll.c (copy_loop_body): Replace emit_insn_before with
2211 loop_insn_emit_before.
2213 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2215 * diagnostic.c (fatal): Request preprocessed source.
2217 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2219 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2220 olddecl has argument types and newdecl has none, use the argument
2223 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2225 * dwarf2out.c (prefix_of): New function. Determine longest common
2226 prefix of the two arguments. The units are whole path components.
2227 (output_file_names): When adding a new directory find the one entry
2228 with the longest common prefix already in the list. Artificially
2229 generate entry if there is none for this prefix.
2230 Fix test to check whether the zeroth directory entry is used.
2232 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2234 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2235 Changed all callers. Take it into account when deciding if a
2236 previously loaded value matches.
2238 2001-01-24 Richard Henderson <rth@redhat.com>
2240 * reload.c (find_reloads_subreg_address): Fail the substitution
2241 if the resulting address is insufficiently aligned.
2243 2001-01-24 DJ Delorie <dj@redhat.com>
2245 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2246 check the original operand's mode also.
2247 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2249 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2251 * c-parse.in (cast_expr): Move compound literals from here ...
2252 (primary): ... to here. Use standard terminology "compound
2253 literal" instead of "constructor expression".
2255 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2257 * gcc.1, cpp.1: Regenerate.
2259 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2261 * calls.c (emit_library_call_value_1): Memory slot for
2262 pass-by-reference argument should have the mode of the argument,
2263 not of the pointer to it.
2265 2001-01-24 Tom Tromey <tromey@redhat.com>
2267 * gcc.texi (G++ and GCC): Mention gcj manual.
2268 (Standards): Link to section of manual mentioning gcj/Java
2271 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2273 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2274 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2275 * tradcpp.c (main): Add -imacros or -include'd dependencies
2277 * cpp.texi (-M, -MM): Document -M -include behaviour.
2279 2001-01-24 Roger Collins <roger@ProProject.com>
2281 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2283 2001-01-24 Will Cohen <wcohen@redhat.com>
2285 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2286 whether registers are 32 bits or 64 bits in size.
2288 2001-01-24 Ben Elliston <bje@redhat.com>
2290 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2292 2001-01-24 Richard Henderson <rth@redhat.com>
2294 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2295 (builtin_longjmp): Use it instead of emit_indirect_jump.
2297 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2299 * bb-reorder.c (make_reorder_chain_1): Handle case where
2300 jump edge goes to the same block as the fallthru edge.
2302 2001-01-23 Jim Wilson <wilson@redhat.com>
2304 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2305 * frame.h (__ia64_personality_v1): Add prototype.
2306 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2307 prototype form. Add void * cast to first argument to personality
2309 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2310 (asctoe113): Likewise.
2311 * config/ia64/frame-ia64.c: Include eh-common.h.
2312 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2314 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2316 (itanium_split_issue): Add prototype.
2317 (gen_nop_type): Ifdef out.
2318 (find_best_packet): Initialize best_packet.
2319 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2321 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2322 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2323 (flushrs): Add explicit stop bit at end.
2324 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2327 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2329 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2331 * libgcc2.c (__terminate_func): Make variable static.
2332 (__terminate_set_func): New function to set __terminate_func.
2333 * libgcc2.h (__terminate_func_ptr): New typedef.
2334 (__terminate_set_func): New function.
2336 2001-01-23 Richard Henderson <rth@redhat.com>
2338 * flow.c (init_propagate_block_info): Don't consider unchanging
2339 memories for dead frame store elimination.
2341 2001-01-23 Richard Henderson <rth@redhat.com>
2343 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2344 * defaults.h: ... here.
2346 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2348 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2350 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2352 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2354 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2356 * rs6000.h (rs6000_return_addr): Move prototype from here...
2357 * rs6000-protos.h (rs6000_return_addr): ...to here.
2358 (rs6000_init_expanders): Delete prototype.
2360 2001-01-23 Nick Clifton <nickc@redhat.com>
2362 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2363 (Spec Files): Document %B and %j and %. and %v3 and %M and
2364 %{S*&T} spec switches.
2366 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2368 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2370 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2371 Neil Booth <neil@daikokuya.demon.co.uk>
2373 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2374 Have -Werror make pedantic warnings errors, like the
2377 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2379 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2381 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2383 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2384 * integrate.c (expand_inline_function): Initialize them.
2385 (subst_constants): If changing COMPARE so that both its arguments
2386 will be VOIDmode and the comparison mode will be lost, note
2387 compare_mode. Use the recorded compare_mode to optimize
2390 2001-01-23 Jason Merrill <jason@redhat.com>
2392 * dwarf2out.c (new_die): Use xcalloc.
2393 (output_die): Abort rather than emit a local reference to offset 0.
2395 2001-01-17 Andrew Haley <aph@redhat.com>
2397 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2398 of a saved register; return NULL instead.
2399 (copy_reg): Take a pointer to a source register rather than a
2401 (next_stack_level): Remember the address in the stack frame of all
2403 Use the saved register pointer array as the source of the CFA.
2404 (throw_helper): Rewrite. Unwind once rather than twice and keep
2405 track of saved registers as we go.
2407 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2409 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2410 * c4x.c (c4x_legitimize_reload_address): Remove.
2411 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2412 reload address for ldp(k) insn.
2414 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2416 * pa.md (return_internal): Add a USE of the PIC register to ensure
2417 it is restored after each call.
2418 (return expander): Corresponding changes.
2420 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2422 * rs6000.h (INIT_EXPANDERS): Delete.
2423 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2424 * rs6000.c (rs6000_override_options): Call *_machine_status from
2426 (rs6000_init_expanders): ...instead of here. Delete.
2427 (rs6000_mark_machine_status): New function.
2428 (rs6000_init_machine_status): Use xcalloc.
2429 (rs6000_return_addr): Generate RTX for the return address.
2430 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2431 (rs6000_stack_info): Use it.
2433 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2435 * gthr-win32.h: Include errno.h to get a declaration for
2436 EINVAL and _mingw.h if the target is mingw32.
2438 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2440 * cpp.texi: Correct typos.
2442 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2444 * explow.c (probe_stack_range): Ensure value passed to
2445 stack_check_libfunc is ptr_mode, not Pmode.
2447 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2449 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2450 case, don't use operand_subword to calculate a SUBREG that is
2453 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2455 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2457 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2458 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2459 valid. If not replace it by equivalent insns.
2461 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2463 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2464 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2465 (c4x_U_constraint, symbolic_address_operand): Likewise.
2466 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2468 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2469 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2470 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2471 anulling slot because of silicon bug.
2472 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2474 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2476 * cppexp.c (parse_charconst): Change `mask' type to agree
2479 2001-01-21 Richard Henderson <rth@redhat.com>
2481 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2482 pic_label_name in a linkonce section.
2484 2001-01-17 Philipp Thomas <pthomas@suse.de>
2486 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2488 * configure: Regenerate.
2490 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2492 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2493 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2495 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2497 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2498 If REVERSE nonzero then condition code in X must be reversed.
2499 (encode_section_info): Optimise if/else.
2500 (avr_function_value): Fix formatting.
2502 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2503 (difficult_branch): Likewise.
2504 (rvbranch): Likewise.
2505 (difficult_rvbranch): Likewise.
2507 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2509 * config/avr/libgcc.S: Fix comment.
2511 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2513 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2515 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2517 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2519 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2521 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2522 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2523 * configure, config.in: Regenerate.
2524 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2525 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2526 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2527 (doprint.o): New rule.
2529 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2531 * c-typeck.c (digest_init): Handle boolean types as scalars.
2533 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2535 * stmt.c (expand_return): Don't return anything if size is zero.
2536 Delete redundant assignment to BYTES.
2537 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2539 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2541 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2542 the same as the default library function names.
2543 * config/avr/avr.md: Document special characters after '%'.
2544 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2545 knowing which of the call-used registers are really clobbered.
2546 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2547 New. Both quotient and remainder from one libgcc.S call.
2548 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2549 clobber as few registers as possible.
2550 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
2552 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
2554 * cppmacro.c (funlike_invocation_p): Don't move back up to the
2555 context of the top of the stack.
2557 2001-01-20 Jakub Jelinek <jakub@redhat.com>
2559 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
2560 (fixup_var_refs_insns): ...here.
2562 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
2564 * function.c (fixup_var_refs_insns): Break up into
2565 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
2566 [loop over entire insn list], and fixup_var_refs_insns_with_hash
2567 [loop over hash table entries].
2568 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
2569 fixup_var_refs_insns_with_hash, to match above changes.
2571 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
2573 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
2574 (libgcc.a): Likewise.
2575 (stmp-multilib): Likewise.
2576 (STAGE2_FLAGS_TO_PASS): Likewise.
2578 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
2580 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
2581 temporary if no_new_pseudos.
2583 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
2585 * cppinternals.texi: Update.
2587 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
2589 * arm.c (arm_init_builtins): Re-enable builtins.
2591 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2593 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
2594 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
2595 element to be null, and always expect an EXPR_LIST.
2596 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
2597 * sched-deps.c (sched_analyze_1): Likewise.
2598 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2600 * regclass.c (max_set_parallel): New variable.
2601 (reg_scan): Take it into account in computation of max_parallel.
2602 (reg_scan_mark_refs, case SET): Compute it.
2604 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
2606 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
2607 * function.c (assign_parms): Use INTVAL for a CONST_INT.
2609 2001-01-19 Jason Merrill <jason@redhat.com>
2611 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
2612 for the abstract instance of an inline function.
2614 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
2615 J"orn Rennecke <amylaar@redhat.com>
2617 * reload1.c (move2add_note_store): Treat all registers directly or
2618 indirectly derived from a base register as members of the same set
2620 (reload_cse_move2add): Adjust accordingly. Take mode and offset
2621 of base register into account.
2623 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
2625 * alias.c (find_base_value): Recognize TRUNCATE.
2626 (record_set): In PLUS case, invalidate if other summand is also a
2629 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2631 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2632 entry to be EXPR_LIST.
2633 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2634 be an EXPR_LIST (but not null, which other code doesn't allow).
2635 (note_stores): Properly handle PARALLEL in SET.
2636 Recursively call for top-level PARALLEL.
2637 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2638 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2640 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2642 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2644 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2645 not pfile->skipping (== 0).
2647 2001-01-17 Nick Clifton <nickc@redhat.com>
2649 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2652 2001-01-17 Jim Wilson <wilson@redhat.com>
2654 * invoke.texi (IA-64 options): Improve.
2656 2001-01-17 Tom Tromey <tromey@redhat.com>
2658 * invoke.texi (Optimize Options): Use `{}' to around @samp
2661 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2663 * invoke.texi (-fno-guess-branch-probability): New option.
2665 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2667 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2668 case of making new double-word constant.
2669 Revert last change: instead just test i3_subst_into_i2.
2671 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2673 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2674 Use q constraints instead of r.
2676 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2678 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2679 (machine_function): Define.
2680 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2681 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2682 pa_free_machine_status): New functions.
2683 (override_options): Set {init,mark,free}_machine_status to above.
2684 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2685 PIC_OFFSET_TABLE_REGNUM_SAVED.
2686 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2687 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2688 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2689 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2690 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2692 2001-01-15 DJ Delorie <dj@redhat.com>
2694 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2698 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2700 * flow.c (propagate_on_insn): Make trying to delete a prologue
2701 or epilogue insn an ICE, not a warning. Allow doing this if
2702 the current function returns with stack pointer depressed.
2704 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2705 I3 having more than one SET.
2707 2001-01-16 Jim Wilson <wilson@redhat.com>
2709 * invoke.texi: Document IA-64 options.
2711 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2712 (fixup_errata): Delete TARGET_A_STEP use.
2713 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2714 (TARGET_SWITCHES): Delete -ma-step option.
2715 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2716 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2717 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2718 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2719 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2720 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2722 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2723 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2724 cmovsi_internal): Delete ! TARGET_A_STEP check.
2726 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2728 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2729 possibility to report bugs via postal mail. Change a URL and
2730 merge in a nearly duplicate statement...
2731 (Bug Reporting): ...from here.
2732 (Service): Refer to the Bug Reporting section instead of
2734 (Contributing): Remove trivial explanations concerning snapshots.
2736 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2738 * cppmain.c (general_init): Don't use ANSI prototype.
2740 2001-01-16 Tom Tromey <tromey@redhat.com>
2742 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2744 2001-01-16 Richard Henderson <rth@redhat.com>
2746 * config/i386/i386.h: Fix comment typo.
2747 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2748 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2750 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2752 * gcc.c: Revert previous -fsyntax-only-related change; move
2755 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2757 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2758 inmode after checking GET_CODE (op).
2760 2001-01-16 Richard Henderson <rth@redhat.com>
2762 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2763 (MAX_MEM_SET_LIST_LEN): New.
2764 (propagate_one_insn): Update mem_set_list_len.
2765 (invalidate_mems_from_autoinc): Likewise.
2766 (invalidate_mems_from_set): Likewise.
2767 (mark_used_regs): Likewise.
2768 (init_propagate_block_info): Likewise. Stop collecting memories
2769 when we reach MAX_MEM_SET_LIST_LEN.
2770 (mark_set_1): Likewise.
2772 2001-01-16 Richard Henderson <rth@redhat.com>
2774 * unroll.c (precondition_loop_p): Fail if no iteration
2777 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2779 * gcc.c: When -fsyntax-only is given, do not complain about
2782 2001-01-15 Richard Henderson <rth@redhat.com>
2784 * config/i386/i386.c (asm_output_function_prefix): Remove.
2785 (ix86_asm_file_end): New.
2786 (load_pic_register): Generate pic_label_name into a
2787 staticly allocated buffer.
2788 * config/i386/i386-protos.h: Update.
2789 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2790 (ASM_FILE_END): New.
2791 * config/i386/i386afe.h: New file.
2792 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2793 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2794 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2795 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2796 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2797 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2798 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2800 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2802 * Makefile.in (install-man): Remove explicit dependency on
2805 * configure.in, configure: Revert previous patch requiring perl
2808 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2810 * toplev.c (flag_guess_branch_prob): New.
2811 (f_options): Add guess-branch-probability option.
2812 (rest_of_decl_compilation): Only estimate branch probability if
2814 (main): set flag_guess_branch_prob.
2816 * flags.h (flag_guess_branch_prob): New.
2818 2001-01-15 DJ Delorie <dj@redhat.com>
2820 * gcc.texi (Makefile): Add documentation for Makefile targets.
2822 2001-01-15 Philip Blundell <philb@gnu.org>
2824 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2826 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2827 (is_pic): Delete declaration.
2828 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2829 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2830 * config/arm/arm.md (builtin_setjmp_receiver): New.
2832 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2834 * arm.c (use_return_insn): Don't try to determine the function type
2835 until after reload has completed.
2836 (arm_output_epilogue): Don't adjust the sp value recovered from the
2838 (emit_multi_reg_push): Don't record dwarf information for the pc.
2839 * arm.md (eh_epilogue): The function type may have changed, so it
2840 needs to be recalculated.
2841 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2842 unwind tables on arm/netbsd.
2844 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2846 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2847 (negated_cbranchsi4): Likewise.
2849 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2851 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2852 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2853 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2854 pass -mapcs-* options to assembler.
2855 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2856 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2857 (ASM_SPEC): Call subtarget_extra_asm_spec.
2859 2001-01-15 Andreas Jaeger <aj@suse.de>
2861 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2863 (ix86_expand_builtin): Likewise.
2865 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2866 warning about comparison between signed and unsigned.
2868 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2870 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2872 2001-01-14 Ralf Baechle <ralf@gnu.org>
2874 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2875 SUBTARGET_CPP_SPEC apropriatly.
2877 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2879 * varasm.c (make_decl_rtl): Fix typo in last change.
2881 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2883 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2884 linker supports the init_priority C++ attribute.
2885 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2886 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2887 linker does not support init_priority C++ attribute.
2889 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2891 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2893 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2895 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2896 * cp/lex.c (finish_parse): Similarly.
2897 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2898 Return the number of errors encountered.
2899 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2900 * cppmain.c (main): Don't call cpp_destroy.
2902 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2904 * configure.in: Require at least perl 5.6.0 to regenerate
2906 * configure: Regenerate.
2908 2001-01-14 Richard Henderson <rth@redhat.com>
2910 * genrecog.c (DT_veclen_ge): New.
2911 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2912 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2913 (nodes_identical_1): Handle DT_veclen_ge.
2914 (write_cond, debug_decision_2): Likewise.
2916 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2918 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2920 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2922 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2924 * cppmain.c (do_preprocessing): New function; most of the old
2926 (main): Call it to do most of the work.
2927 (cb): Move from global scope to set_callbacks ().
2928 (setup_callbacks): Get the callback pointer.
2929 (general_init, printer_init): Clean up code and comments.
2931 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2933 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2936 2001-01-14 Kazu Hirata <kazu@hxi.com>
2938 * config/h8300/h8300.c (get_shift_alg): Update comments.
2940 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2942 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2943 (alloc_page, ggc_alloc): Add casts to remove warnings.
2945 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2947 * combine.c (simplify_comparison): Don't change `code' when
2948 can't reverse comparison.
2950 2001-01-14 Richard Henderson <rth@redhat.com>
2952 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2953 update all call sites. Return true for all non-label constants.
2955 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2957 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2959 (ix86_expand_branch): Update.
2960 (ix86_expand_setcc): Update to handle multiple test conditions.
2961 (expand_int_movcc): Likewise.
2962 (expand_fp_movcc): Likewise.
2963 * i386-protos.h (ix86_expand_compare): New.
2964 * i386.md (andqi_?_slp, orqi_?_slp): New.
2965 (conditional trap expander): Update call to ix86_expand_compare.
2967 2001-01-14 Richard Henderson <rth@redhat.com>
2969 * config/vax/vax.md: Use nonimmediate_operand instead of
2970 general_operand in destinations.
2972 * config/vax/vax.md (indirect_jump): Use register_operand.
2974 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2975 * config/vax/vax.md (call_pop): Turn into an expander.
2976 (call_value_pop): Likewise.
2977 (call, call_value): New.
2979 2001-01-14 Andreas Jaeger <aj@suse.de>
2981 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2983 (ix86_fp_compare_mode): Add unused attribute.
2984 (ix86_expand_fp_movcc): Remove unused variable.
2985 (ix86_expand_builtin): Make fcode unsigned.
2987 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2988 (expand_expr): Add cast to avoid signed warning.
2989 (store_field): Likewise.
2990 (store_constructor_field): Likewise.
2991 (store_constructor): Likewise.
2992 (store_expr): Likewise.
2993 (clear_storage): Likewise.
2994 (emit_group_store): Likewise.
2995 (emit_group_load): Likewise.
2997 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2999 * c-common.c: Move format checking code to ...
3000 * c-format.c: ... here. New file. Reorder some functions and
3002 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3004 * c-common.h (decl_handle_format_attribute,
3005 decl_handle_format_arg_attribute): Declare.
3006 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3007 (c-common.o): Adjust dependencies.
3008 (c-format.o): New list of dependencies.
3010 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3012 * unroll.c (loop_iterations): If we cannot prove iteration variable
3013 is set once in each iteration, punt.
3015 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3017 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3018 (*strlenhi): Remove clobber (which was buggy) of output address.
3020 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3022 * Makefile.in (generated-manpages): Add gcc.1
3023 ($(srcdir)/gcc.1): New target.
3024 (maintainer-clean): Delete $(srcdir)/gcc.1.
3025 * gcc.texi: Add macros @gccoptlist and @gol.
3026 * invoke.texi: Include option summary in manpage. Mark up option
3027 summary with @gccoptlist and @gol. Use @r in one place where
3029 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3030 * gcc.1: Generate from invoke.texi.
3032 2001-01-13 Richard Henderson <rth@redhat.com>
3034 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3035 (struct page_entry): Add group member.
3036 (struct page_group): New.
3037 (struct globals): Add page_groups member.
3038 (alloc_anon): Only define for using mmap; remove valloc call.
3039 (page_group_index): New.
3040 (set_page_group_in_use): New.
3041 (clear_page_group_in_use): New.
3042 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3043 (free_page, release_pages): Likewise.
3044 * configure.in (with-gc): Default to ggc-page always.
3046 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3048 * reload1.c (replace_pseudos_in_call_usage): Use
3049 reg_equiv_constant and reg_equiv_address, and don't try
3050 regno_reg_rtx first.
3052 2001-01-13 Richard Henderson <rth@redhat.com>
3054 * ggc-page.c (alloc_page): Round up allocation size to one page.
3055 Set e->order on extra pages.
3057 2001-01-13 Richard Henderson <rth@redhat.com>
3059 * genrecog.c (nodes_identical): Expand commentary.
3060 (write_switch): Watch out for identical nodes.
3062 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3064 * cppfiles.c (_cpp_fake_include): New function.
3065 * cpphash.h (_cpp_fake_include): New.
3066 * cpplib.c (do_line): Call _cpp_fake_include when entering
3067 header files in preprocessed input.
3068 * cppmain.c (cb_pragma_implementation): Remove handling.
3069 (setup_callbacks): Don't register pragmas.
3071 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3073 * extend.texi: Udate for CPP.
3075 2001-01-13 Andreas Jaeger <aj@suse.de>
3077 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3079 * regmove.c: Add prototype for replace_in_call_usage.
3081 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3083 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3084 struct cpp_chunk, struct htab, struct toklist,
3085 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3086 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3087 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3088 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3089 (struct macro_args): Delete.
3090 * cpphash.h: See above.
3092 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3094 * cppmain.c (struct printer): Remove no_line_dirs.
3096 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3097 : Use options rather than CPP_OPTION.
3098 (setup_callbacks): Use cb rather than pfile->cb.
3099 (main): No need to check for a buffer. Use cpp_errors.
3100 (printer_init): Don't set no_line_dirs.
3101 (maybe_print_line): Use options not no_line_dirs.
3102 (cb_file_change): Don't call print_line if -P.
3104 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3106 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3108 * c-parse.in (finish_parse): Use cpp_errors.
3109 (__yylex): Use return value of cpp_pop_buffer.
3110 * cp/lex.c (finish_parse): Use cpp_errors.
3111 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3113 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3115 * README.AVR: URLs corrected.
3117 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3119 * c-decl.c (start_function): Don't warn if old prototype is builtin
3120 that's not in C's namespace.
3121 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3122 (_bb): Add prototype for ctime.
3123 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3125 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3127 * i386.c (ix86_fp_comparison_arithmetics_cost,
3128 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3129 ix86_fp_comparison_cost): New functions.
3130 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3131 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3132 two-branch sequences; make static.
3133 (ix86_use_fcomi_compare): Do decision according to the costs.
3134 (split_fp_branch): New.
3135 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3136 * i386-protos.h (ix86_expand_fp_compare): Remove
3137 (ix86_split_fp_branch): Declare.
3139 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3140 and ix86_comparison_operator.
3142 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3145 * i386.c (put_condition_code): Output properly the unordered/ordered
3146 compares in fp case.
3147 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3149 * tm.texi (REVERSE_CONDITION): Document.
3150 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3151 in -ffast-math mode.
3152 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3154 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3156 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3158 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3161 * config/sh/sh.c (mova_p): Fix test for mova_const.
3163 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3165 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3166 cpp_get_options rather than dereferencing pfile and using
3168 * scan-decls.c (scan_decls): Use return value of
3169 cpp_pop_buffer rather than CPP_BUFFER.
3171 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3173 * cppinit.c (cpp_handle_option): help_only is now part of the
3174 cpp_options structure.
3175 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3176 cpp_set_callbacks): New functions.
3177 * cpplib.h (cpp_callbacks): Break out as a named structure.
3178 (cpp_options): Move help_only here from cpp_reader.
3179 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3180 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3181 cpp_set_callbacks): New prototypes.
3182 * cppmain.c (main): Update for help_only.
3184 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3186 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3187 Also build and remove and install and uninstall c-tree.info and
3189 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3190 ($(srcdir)/cppinternals.info): New target.
3191 * c-tree.texi: Change file name used when makeinfo used without -o
3192 from ir.info to c-tree.info. Add info directory entry.
3193 * cppinternals.texi: Add info directory entry.
3194 * .cvsignore: Update.
3196 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3198 * c-typeck.c (store_init_value): Don't require constant initializer
3199 elements with -pedantic -std=c99.
3200 (digest_init): Change error about non-constant initializer elements
3202 (constructor_range_end): Remove.
3203 (constructor_incremental, designator_depth,
3204 designator_errorneous): New variables.
3205 (struct constructor_stack): Remove range_end, add incremental.
3206 (struct constructor_range_stack, constructor_range_stack): New.
3207 (struct initializer_stack): Add constructor_range_stack.
3208 (finish_init): Set it.
3209 (start_init): Likewise. require_constant_elements for non-static
3210 trees only if not flag_isoc99.
3211 (really_start_incremental_init): Remove constructor_range_end, add
3212 constructor_incremental.
3213 (pop_init_level): Likewise.
3214 (push_init_level): Likewise. If implicit and the subobject had some
3215 value set already, preinitialize the level with it.
3216 Warn about missing braces only if not pushing due to designators.
3217 (set_designator, push_range_stack): New functions.
3218 (set_init_label): Use them.
3219 (set_init_index): Likewise. Remove constructor_range_end.
3220 Error if designator index is outside of array bounds.
3221 (add_pending_init): Compare values of purpose index trees, not the
3222 trees themselves. Allow overwriting of already initialized element.
3223 Issue a warning if it had side-effects.
3224 (set_nonincremental_init, set_nonincremental_init_from_string): New
3226 (pending_init_member): Rename to...
3227 (find_init_member): ...this function. Call set_nonincremental_init
3228 if necessary. Compare values of purpose index trees, not the trees
3229 themselves. Return the actual value, not just non-zero if something
3231 (output_init_element): Remove checks for duplicates.
3232 If field has zero size, only check the initializer for correctness.
3233 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3234 if constructor_incremental is zero. Change error about initializers
3235 not computable at load time into pedwarn.
3236 (output_pending_init_elements): Compare bit positions, not
3237 FIELD_DECLs to take into account zero-sized fields.
3238 (process_init_element): Use constructor_range_stack to fill all
3239 ranges in the designator lists from current level up.
3240 * extend.texi: Update documentation for labeled elements.
3242 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3244 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3245 to function usage for arguments passed by reference. Optimize
3246 callee-copied arguments.
3247 * regmove.c (replace_in_call_usage): New function.
3248 (fixup_match_1): Call it.
3249 * cse.c (cse_insn): Canonicalize registers in function usage.
3250 * reload1.c (replace_pseudos_in_call_usage): New function.
3253 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3256 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3258 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3261 2001-01-12 DJ Delorie <dj@redhat.com>
3263 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3264 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3267 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3269 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3270 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3271 -std options alongside references to -ansi. Update some
3272 documentation for C99.
3273 * cpp.1: Regenerate.
3275 2001-01-12 Andreas Jaeger <aj@suse.de>
3277 * haifa-sched.c (restore_line_notes): Remove argument block B
3279 * sched-ebb.c (schedule_ebb): Change caller.
3280 * sched-rgn.c (schedule_region): Likewise.
3281 * sched-int.h (restore_line_notes): Adjust prototype.
3283 * loop.h: Remove wrong declaration of doloop_condition_get.
3285 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3287 * extend.texi: Move C++-extension-related node from the C section
3288 into the C++ section.
3290 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3292 * extend.texi: Refer to an array of pointers to functions instead
3293 of one of functions.
3295 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3296 Jan Hubicka <jh@suse.cz>
3298 * combine.c (reversed_comparison): Fix typo in last patch.
3300 (combine_reversed_comparison_code): Make static to follow
3301 prototype declaration.
3303 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3305 * install.texi: Remove misplaced duplicate entry.
3307 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3309 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3311 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3313 * final.c: (leaf_function_p): Fix typo.
3315 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3317 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3318 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3320 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3321 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3322 mmap_anon, and valloc is available.
3323 * ggc-page.c: Restructure ifdef logic to match new autoconf
3324 spec. Don't throw away the test page in init_ggc.
3326 * configure, config.in: Regenerate.
3328 2001-01-12 Michael Hayes <mhayes@redhat.com>
3330 * loop.h (total_biv_increment): Constify iv_class pointer.
3331 (struct induction): Replace `mem_mode' with `mem' rtx.
3332 * unroll.c (total_biv_increment): Constify iv_class pointer.
3333 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3334 (find_mem_givs, combine_givs_p): Likewise.
3335 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3337 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3339 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3341 (__gthread_getspecific): Ditto.
3343 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3345 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3346 put_condition_code): Convert fp comparison codes to integer
3348 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3351 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3352 * i386-protos.h (no_comparison_operator): Kill.
3354 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3356 * combine.c (REVERSIBLE_CC_MODE): Remove.
3357 (reversible_comparison_p): Remove.
3358 (combine_reversed_comparison_code): New.
3359 (reversed_comparison): New.
3360 (combine_simplify_rtx): Use
3361 combine_reversed_comparison_code/reversed_comparison instead
3362 of reversible_comparison_p.
3363 (simplify_if_then_else): Likewise.
3364 (simplify_set): Likewise.
3365 (simplify_logical): Likewise.
3366 (if_then_else_cond): Likewise.
3367 (known_cond): Likewise.
3368 (simplify_comparison): Likewise.
3370 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3372 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3373 sizeof (int) is larger than sizeof(__word__).
3375 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3377 * cppinit.c (do_includes): Fix typo.
3379 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3381 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3382 in S_REGS does not occur because not all sources are possible
3383 when a S_REGS is a destination (sometimes needs a clobber).
3384 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3385 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3386 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3387 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3388 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3389 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3390 (lshrdi_const1, lshrsi3_const16): Likewise.
3391 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3392 (*movhi_68hc12, *movqi_68hc12): Likewise.
3393 (movstrictqi): Make sure reloading in D_REGS as a destination
3396 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3398 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3400 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3402 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3403 -D, -U and -A, and don't initialize the builtins.
3404 (do_includes): Error if -include or -imacros with -fpreprocessed.
3405 * cppmain.c (cb_define, cb_undef): Unconditionally process
3407 * tradcpp.c (main): Fix typo.
3409 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3411 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3412 (read_name_map): Use IS_ABSOLUTE_PATH.
3413 * tradcpp.c (get_filename): Likewise.
3415 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3417 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3418 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3419 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3420 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3421 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3422 (cmphi_z_used): Don't use '@' for the output.
3423 (tstqi_z_used): Likewise.
3424 (cmpqi_z_used): Likewise.
3425 (one_cmplsi2): Likewise.
3427 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3429 * config/sh/sh.c (barrier_align): Recognize branch around far
3430 branch and redundant insn.
3432 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3434 * invoke.texi: Restore documentation of the drivers' switches -MD
3437 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3439 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3441 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3442 check-objc//%): Support parallel testing of multilibs.
3443 (TESTSUITEDIR): Set to testsuite by default, but override for
3445 (check-gcc, check-g++, check-g77, check-objc): Enter
3448 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3450 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3451 * sched-deps.c (deps_may_trap_p): Likewise.
3452 * basic-block.h: Remove a comment.
3453 * flow.c (PROP_POSTRELOAD): Remove.
3454 (update_life_info): Don't add it to prop_flags.
3455 (mark_set_1): Lose the code that was enabled by it.
3457 2001-01-11 Michael Hayes <mhayes@redhat.com>
3459 * flow.c (flow_call_edges_add): New.
3460 * basic_block.h (flow_call_edges_add): New.
3462 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3464 * reload1.c (move2add_note_store): Update reg_set_luid even if
3465 base reg remains the same.
3467 2001-01-10 Nick Clifton <nickc@redhat.com>
3469 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3470 machine_function structure to zero.
3471 Add prototypes for machine_status functions.
3473 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3475 * c-common.h (CTI_VOID_LIST): Remove.
3476 (void_list_node): Likewise.
3477 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3478 (void_list_node): New macro.
3479 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3480 * config/i386/i386.c (ix86_init_builtins): Likewise.
3481 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3483 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3485 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3486 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3488 * tradcpp.c: Include mkdeps.h.
3489 (deps, print_deps_phony_targets, deps_append, output_deps,
3490 init_dependency_output, output_deps): New.
3491 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3492 deps_output): Delete.
3493 (print_deps_missing_files): Rename deps_missing_files.
3494 (inhibit_output): Make global.
3495 (main): Delete inhibit_output, deps_stream, deps_target.
3496 Use mkdeps functionality in the same way as cpplib. Remove
3497 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3498 -M and -MM. Remove old handling of deps via deps_out, and
3499 old reading of environment variables.
3500 (get_filename): Update to use deps_add_dep.
3502 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3504 * output.h (make_function_rtl): Remove prototype.
3505 (make_decl_rtl): Likewise.
3506 * varasm.c (make_function_rtl): Remove.
3507 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3508 than from a third parameter.
3509 * tree.h (make_decl_rtl): Remove last parameter.
3510 * c-decl.c (builtin_function): Remove last argument in call to
3511 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3512 (start_function): Likewise.
3513 * except.c (call_get_eh_context): Likewise.
3514 * expr.c (emit_block_move): Likewise.
3515 (clear_storage): Likewise.
3516 * profile.c (output_func_start_profiler): Likewise.
3517 * toplev.c (rest_of_decl_compilation): Likewise.
3518 * objc/objc-act.c (create_builtin_decl): Likewise.
3519 (synth_module_prologue): Likewise.
3520 (generate_static_reference): Likewise.
3521 (build_selector_reference_decl): Likewise.
3522 (build_class_reference_decl): Likewise.
3523 (build_objc_string_decl): Likewise.
3524 (build_protocol_reference): Likewise.
3526 2001-01-10 Richard Henderson <rth@redhat.com>
3528 * hwint.h: Revert yesterday's change.
3530 2001-01-10 Nick Clifton <nickc@redhat.com>
3532 * function.h (save_machine_status): Delete.
3533 (restore_machine_status): Delete.
3534 Amend comment describing {init|mark|free}_machine_status.
3536 * function.c (save_machine_status): Delete.
3537 (restore_machine_status): Delete.
3538 Amend comment describing {init|mark|free}_machine_status.
3539 (push_function_context_to): Remove invocation of
3540 save_machine_status.
3541 (pop_function_context_from): Remove invocation of
3542 restore_machine_status.
3544 * emit-rtl.c (init_emit_once): Amend comment describing
3545 {init|mark|free}_machine_status.
3547 * tm.texi (Per-Function Data): New node. Describe the
3548 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3551 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3553 * cppinit.c (OPT_g): Remove.
3554 (cpp_handle_option): Update for removed -g3.
3555 (print_help): Update.
3556 * cpplib.h (struct cpp_options): Remove debug_output.
3557 * cppmain.c (setup_callbacks, cb_define): Update.
3558 * gcc.c (cpp_options): Translate -g3 to -dD.
3560 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
3562 * config/i960/i960.md: Change modifier to + on the zero_extract
3563 pattern after the (rotate -2 reg) canonicalization pattern.
3565 2001-01-10 Richard Henderson <rth@redhat.com>
3567 * config/alpha/alpha.c (alpha_free_machine_status): New.
3568 (override_options): Install it.
3569 (alpha_mark_machine_status): Verify machine non-null.
3570 * config/i386/i386.c (ix86_free_machine_status): New.
3571 (override_options): Install it.
3572 (ix86_init_machine_status): Use xcalloc.
3573 (ix86_mark_machine_status): Verify machine non-null.
3574 * config/ia64/ia64.c (ia64_free_machine_status): New.
3575 (ia64_override_options): Install it.
3576 (ia64_mark_machine_status): Verify machine non-null.
3578 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
3580 * function.c (instantiate_virtual_regs): Instantiate virtual
3581 registers found in CALL_INSN_FUNCTION_USAGE.
3583 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3585 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
3586 equivalent to -ansi in disabling -Di386.
3588 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
3590 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
3592 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
3594 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
3596 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
3598 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3600 * invoke.texi: Document that -fcond-mismatch isn't supported for
3603 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
3605 * gcc.texi: Define macro gcctabopt.
3606 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
3607 @command, @env and @option in some places where appropriate. Use
3608 @gcctabopt where appropriate. Put URLs and email addresses inside
3611 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
3613 * gcc.c (cpp_options): Set MD file name from output
3614 filename, if specified.
3615 (suffix_subst): New static variable.
3616 (do_spec): Clear it.
3617 (do_spec_1, case '.'): Handle new `%.suffix' spec.
3619 (give_switch): Handle suffix_subst.
3621 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3623 * invoke.texi: Fix another typo.
3625 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3627 * invoke.texi: Fix typo.
3629 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3631 * c-lang.c (lang_hooks): Update.
3632 (lang_decode_option): Remove.
3633 (lang_init_options): Rename c_init_options.
3634 * toplev.c (main): Use lang_hooks for lang_init_options
3635 and lang_decode_option.
3636 * toplev.h (lang_hooks): Add 2 new hooks.
3637 * tree.h: Remove lang_init_options and lang_decode_option.
3638 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3639 * cp/decl2.c: Similarly.
3640 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3641 (lang_hooks): Update.
3642 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3644 (lang_init_options): Rename ffe_init_options.
3645 (lang_hooks): Update.
3646 (lang_decode_option): Remove.
3647 * java/lang.c (lang_init_options): Rename java_init_options.
3648 (lang_decode_option): Rename java_decode_option.
3649 (lang_hooks): Update.
3650 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3651 (lang_decode_option): Rename objc_decode_option.
3652 (lang_hooks): Update.
3654 2001-01-09 Nick Clifton <nickc@redhat.com>
3656 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3657 (d30v_return_addr_rtx): Delete.
3658 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3659 cfun->machine structure.
3660 (struct machine_function): Move to d30v.h
3661 (d30v_save_machine_status): Delete.
3662 (d30v_restore_machine_status): Delete.
3663 (d30v_init_machine_status): New Function.
3664 (d30v_mark_machine_status): New Function.
3665 (d30v_free_machine_status): New Function.
3666 (d30v_init_expanders): Use new functions.
3667 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3668 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3669 d30v_return_addr_rtx.
3671 * config/d30v/d30v.h (struct_machine): Move here.
3672 Add eh_epilogue_sp_ofs field.
3674 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3675 field in cfun->machine structure.
3677 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3679 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3680 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3681 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3683 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3685 * objc/lang-options.h: Remove bogus reference to
3688 2001-01-09 Kazu Hirata <kazu@hxi.com>
3690 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3693 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3695 * reload.c (find_reloads_address): Check for eliminable registers
3696 when substituting a constant expression for a pseudo.
3698 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3700 * c-common.c (enum format_type): Add format_type_error.
3701 (decode_format_type): New function.
3702 (decl_attributes): Use it.
3703 (format_kind_info): Adjust comment.
3705 2001-01-09 David O'Brien <obrien@BSDi.com>
3707 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3708 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3710 * config/i386/gnu.h: Don't include required platform specific .h files,
3711 tm.h will do it instead.
3712 * config/i386/i386elf.h: Likewise.
3713 * config/i386/linux.h: Likewise.
3714 * config/i386/moss.h: Likewise.
3715 * config/mips/gnu.h: Likewise.
3717 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3719 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3720 (rs6000-ibm-aix3.[01]*): Likewise.
3721 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3722 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3723 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3724 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3725 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3726 (powerpc-*-eabiaix*): Likewise.
3727 (powerpc-*-eabisim*): Likewise.
3728 (powerpc-*-elf*): Likewise.
3729 (powerpc-*-eabi*): Likewise.
3730 (powerpc-*-rtems*): Likewise.
3731 (powerpc-*-linux*libc1): Likewise.
3732 (powerpc-*-linux*): Likewise.
3733 (powerpc-wrs-vxworks*): Likewise.
3734 (powerpcle-wrs-vxworks*): Likewise.
3735 (powerpcle-*-sysv*): Likewise.
3736 (powerpcle-*-elf*): Likewise.
3737 (powerpcle-*-eabisim*): Likewise.
3738 (powerpcle-*-eabi*): Likewise.
3739 (powerpcle-*-solaris2*): Likewise.
3740 * config/rs6000/aix31.h: Delete includes.
3741 * config/rs6000/aix3newas.h: Likewise.
3742 * config/rs6000/aix41.h: Likewise.
3743 * config/rs6000/aix43.h: Likewise.
3744 * config/rs6000/beos.h: Likewise.
3745 * config/rs6000/rtems.h: Likewise.
3746 * config/rs6000/sysv4.h: Likewise.
3748 2001-01-09 Kazu Hirata <kazu@hxi.com>
3750 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3751 Change an argument mode of machine_mode to shift_mode of
3752 shift_mode. Remove an extra error check.
3753 (emit_a_shift): Adopt to the new calling prototype of
3755 (function_prologue): Fix code for a monitor
3756 function. Support H8/S.
3757 (function_epilogue): Do not output pop for a monitor function.
3759 2001-01-09 Nick Clifton <nickc@redhat.com>
3761 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3762 (setup_incoming_varargs): Use sysv_varargs_p field of the
3763 cfun->machine structure.
3764 (struct machine_function): Move to rs6000.h
3765 (rs6000_save_machine_status): Delete.
3766 (rs6000_restore_machine_status): Delete.
3767 (rs6000_init_machine_status): New Function.
3768 (rs6000_free_machine_status): New Function.
3769 (rs6000_init_expanders): Use new functions.
3771 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3773 (struct machine_function): Move here.
3775 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3776 sysv_varargs_p field of the cfun->machine structure.
3778 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3780 (rs6000_restore_machine_status): Remove prototype.
3782 2001-01-09 Richard Henderson <rth@redhat.com>
3784 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3785 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3786 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3787 (sched_analyze_2, sched_analyze_insn): Likewise.
3788 (sched_analyze, init_deps): Likewise.
3789 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3790 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3791 (compute_block_backward_dependences): Update propagate_deps call.
3793 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3795 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3797 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3799 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3800 (cpp_handle_option): Handle them.
3801 (cpp_post_options): Ensure one of -M or -MM is specified with
3802 any other -M? option.
3803 (init_dependency_output): Suppress output with -MG.
3805 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3808 * invoke.texi: Update.
3810 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3812 * sh.md (reload_outsf): Generate recognizable patterns for
3815 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3817 * c-lang.c (lang_hooks): Update.
3818 (lang_init): Rename c_init.
3819 (lang_finish): Remove.
3820 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3822 * toplev.h (lang_hooks): Add init () and finish ().
3823 * tree.h (lang_init, lang_finish): Remove.
3824 * cp/tree.h (lang_init, lang_finish): Remove.
3825 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3826 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3828 (lang_init, lang_finish): Remove.
3829 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3830 (lang_hooks): Update.
3831 * java/lang.c (lang_init): Rename java_init.
3832 (lang_finish): Remove.
3833 (lang_hooks): Update.
3834 * objc/objc-act.c (lang_init): Rename objc_init.
3835 (lang_finish): Remove.
3836 (lang_hoooks): Update.
3838 20001-01-09 Graham Stott <grahams@redhat.com>
3840 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3841 after `ptr` is initialised.
3843 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3845 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3846 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3847 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3848 stack adjusts, instead of r3.
3850 2001-01-09 Michael Hayes <mhayes@redhat.com>
3852 * flow.c (flow_loop_scan): Break out of ...
3853 (flow_loops_find) ... here.
3854 * basic-block.h (flow_loop_scan): New.
3855 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3856 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3858 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3860 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3862 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3863 realloc()ing macro_buffer.
3865 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3866 if it's wider than long and the target's long is wider than the
3869 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3871 Remove support for using UWIN as a host machine.
3872 * configure.in: Issue an error message.
3873 * configure: Regenerated.
3874 * config.gcc: Remove xm_* UWIN configury.
3875 * config/i386/xm-uwin.h: Remove.
3877 2001-01-08 Nick Clifton <nickc@redhat.com>
3879 * config/v850/v850.c (ra_rtx): Delete.
3880 (v850_save_machine_status): Delete.
3881 (v850_restore_machine_status): Delete.
3882 (v850_init_machine_status): New function.
3883 (v850_mark_machine_status): New function.
3884 (v850_free_machine_status): New function.
3885 (v850_return_addr): Use ra_rtx field in machine structure.
3886 (v850_init_expanders): Use new functions.
3888 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3889 * config/v850/v850.c: Change arguments to v850_output+* functions
3890 to take a const char *, to avoid compile time warning.
3891 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3892 (USER_LABEL_PREFIX): Redefine.
3894 2000-01-08 Jim Wilson <wilson@redhat.com>
3896 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3897 1 to unsigned HOST_WIDE_INT before left shift.
3899 2001-01-08 Nick Clifton <nickc@redhat.com>
3901 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3902 the machine structure has been allocated.
3903 (arm_free_machine_status): New function: Free the machine
3904 specific function structure.
3906 2001-01-08 Richard Henderson <rth@redhat.com>
3908 * jump.c (simplejump_p): Revert last change.
3910 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3912 * cppinit.c (init): Rename init_library.
3913 (cpp_create_reader): Update.
3914 * gcc.c (cpp_options): If -o given, use it as the target of
3917 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3919 * arm.c (arm_arch5e): New variable.
3920 (all_cores): XScale is a 5TE device.
3921 (arm_override_options): Set arm_arch5e.
3922 (arm_init_builtins): __builtin_prefetch is in arch5e.
3923 * arm.h (arm_arch5e): Declare it.
3925 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3927 * arm.md (define_constants): Add defines for UNSPEC and
3928 UNSPEC_VOLATILE insns. Update all users.
3929 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3930 * arm.c (multi_register_push, note_invalid_constants)
3931 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3932 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3933 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3935 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3937 * jump.c (jump_optimize_1): Use reversed_comparison_code
3938 instead of can_reverse_comparison_p.
3939 (jump_back_p): Likewise.
3940 (invert_exp_1): Likewise.
3941 (thread_jumps): Likewise.
3942 * simplify-rtx.c (simplify_unary_operation): Likewise.
3943 (simplify_ternary_operation): Likewise.
3944 * cse.c (find_comparison_args): Convert to use
3945 can_reverse_comparison_p.
3946 (record_jump_equiv): Likewise.
3948 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3950 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3951 (EPILOGUE_USES): Define.
3952 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3953 automatically stack the LR if it isn't live.
3955 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3957 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3960 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3962 * ggc-page.c (max_alignment): New structure.
3963 (MAX_ALIGNMENT): New macro.
3964 (init_ggc): Use it to round up the sizes in the
3965 extra_order_size_table.
3967 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3969 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3972 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3974 * builtins.def (BUILT_IN_FPRINTF): New entry.
3976 * c-common.c (c_expand_builtin_fprintf): New function.
3977 (init_function_format_info): Handle __builtin_fprintf.
3978 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3979 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3981 * c-decl.c (duplicate_decls): Adjust comment.
3983 * extend.texi (fprintf): Document new builtin.
3985 2001-01-07 Richard Henderson <rth@redhat.com>
3987 * jump.c (simplejump_p): Recognize any single_set jump
3990 2001-01-07 Richard Henderson <rth@redhat.com>
3992 * configure.in (slibdir): Accept an --with-slibdir option.
3993 Use "test" not "[" in configure. Default to $(libdir).
3995 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3997 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3998 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3999 (SHLIB_LINK): Create links for the soname.
4000 * config/mips/t-iris6: Likewise.
4001 * config/sparc/t-slibgcc: Likewise.
4002 * config/sparc/t-slibgcc-sld: Likewise.
4004 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4006 * config/i386/i386.c (constant_call_address_operand): Accept
4007 (const (plus (symbol_ref) (const_int))).
4008 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4009 constant_call_address_operand.
4011 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4013 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4014 and LONG_LONG_TYPE_SIZE > 32.
4016 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4018 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4019 the previous change.
4021 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4023 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4025 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4026 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4027 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4030 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4032 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4034 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4036 * c-lang.c (c_post_options): Call cpp_post_options.
4037 * objc/objc-act.c (objc_post_options): Similarly.
4038 * cppmain.c (main): Similarly.
4039 * fix-header.c (read_scan_file): Similarly.
4040 * cppinit.c (cpp_start_read): Move option consistency checks
4041 to cpp_post_options. Don't call init_dependency_output.
4042 If needed, add default target and main file dependency.
4043 (OPT_MD, OPT_MMD): Remove.
4045 (cpp_handle_option): Update for OPT_* changes.
4046 (cpp_post_options): New.
4047 (init_dependency_output): Command line -MF overrides environment
4048 variables. Don't set default target etc. Suppress output
4049 if dependencies are going to stdout.
4050 (print_help): Update.
4051 * cpplib.h (cpp_post_options): New.
4052 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4054 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4056 * jump.c (comparison_dominates_p): Support unordered compares.
4058 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4060 * simplify-rtx.c (simplify_relational_operation): Always simplify
4061 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4064 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4066 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4067 (nonzero_bits): Likewise.
4068 (simplify_comparison): Likewise.
4069 (num_sign_bit_copies): Likewise; return more sane value depending
4070 on STORE_FLAG_VALUE.
4071 (known_cond): Do not assume EQ to be always true for equivalent
4074 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4076 * cse.c (fold_rtx): Handle unordered comparisons.
4078 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4080 * rtlanal.c (set_of_1): New static function.
4081 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4082 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4083 reg_set_last_last_regno): Remove.
4084 (set_of): New global function.
4085 (set_of_data): New structure.
4086 (reg_set_p, reg_set_last): Revamp for set_of.
4087 * rtl.h (set_of): New.
4089 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4091 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4092 * extend.texi: Document _Exit builtin.
4094 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4096 * (initialize, initialize_builtins,
4097 initialize_dependency_output, initialize_standard_includes):
4098 Rename s/initialize/init. Update.
4099 (init_dependency_output): Move to after
4100 cpp_handle_options, the correct location temporally at least.
4101 (opt_comp): Move next to init (), its caller. Fix prototype.
4102 (init): Make "initialized" local scope.
4103 (cpp_create_reader): Always call init ().
4104 (cpp_start_read): Update.
4105 (output_deps): New function, broken out of cpp_finish.
4106 (cpp_finish): Break out output_deps.
4108 2001-01-07 Richard Henderson <rth@redhat.com>
4110 * collect2.c (COFF specific stuff): Revert 12-06 patch
4111 to prototype system functions.
4113 2001-01-07 Michael Hayes <mhayes@redhat.com>
4115 * hard-reg-set.h: Add multiple include guard.
4116 * basic-block.h (struct loop): Add `sink' field.
4117 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4118 (emit_iv_add_mult): Delete.
4119 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4120 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4121 (unroll_loop): Remove end_insert_before argument.
4122 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4123 (maybe_eliminate_biv_1): Likewise.
4124 (emit_iv_add_mult): Delete.
4125 (gen_add_mult, loop_regs_update): New.
4126 (loop_insn_emit_after, loop_insn_emit_before): New.
4127 (loop_insn_sink, loop_insn_sink_or_swim): New.
4128 (emit_iv_add_mult): Delete.
4129 (scan_loop): Set loop->sink.
4130 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4131 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4132 (maybe_eliminate_biv_1): Likewise.
4133 (maybe_eliminate_biv_1): Add basic block argument.
4134 * unroll.c (unroll_loop): Remove end_insert_before argument.
4135 (find_splittable_regs): Likewise.
4136 (find_splittable_regs): Use loop_insn_sink and its ilk.
4137 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4139 2001-01-07 Michael Hayes <mhayes@redhat.com>
4141 * loop.h (loop_insn_hoist): New prototype.
4142 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4143 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4144 (check_dbra_loop, load_mems): Likewise.
4145 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4146 (find_splittable_givs): Likewise.
4148 2001-01-07 Michael Hayes <mhayes@redhat.com>
4150 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4152 2001-01-07 Richard Henderson <rth@redhat.com>
4154 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4156 2001-01-07 Richard Henderson <rth@redhat.com>
4158 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4159 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4160 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4161 variant that handles a shared libgcc.
4162 (process_command): Always validate -{static,shared}-libgcc.
4163 (do_spec_1): New 'M' case.
4164 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4166 2001-01-07 Richard Henderson <rth@redhat.com>
4168 * Makefile.in (slibdir): New variable.
4169 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4170 (installdirs): Create slibdir.
4171 (install-libgcc, install-multilib): Defer to libgcc.mk.
4172 * configure.in (slibdir): Substitute.
4173 * mklibgcc.in (install): New target.
4175 * config/t-linux (SHLIB_LINK): Create links for the soname.
4176 (SHLIB_INSTALL): New.
4177 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4178 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4179 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4180 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4181 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4183 2001-01-07 Richard Henderson <rth@redhat.com>
4185 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4186 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4187 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4189 2001-01-07 Michael Hayes <mhayes@redhat.com>
4191 * loop.c (count_loop_regs_set): Delete.
4192 (load_mems_and_recount_loop_regs_set): Delete.
4193 (loop_regs_scan): Merge common code from count_loop_regs_set,
4194 scan_loop, and load_mems_and_recount_loop_regs_set.
4195 (scan_loop): Call load_mems directly and loop_regs_scan
4196 again if new registers created.
4198 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4200 * toplev.c (main): Call the front-end specific post_options
4201 hook if one is given.
4202 * toplev.h (struct_lang_hooks, lang_hooks): New.
4203 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4204 for the C front end.
4205 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4206 lang_hooks for the C++ front end.
4207 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4208 lang_hooks for the ObjC front end.
4209 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4210 * java/lang.c (lang_hooks): Hooks for the Java front end.
4212 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4214 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4215 for verbose DWARF[2] debugging.
4216 (cb_define, cb_undef): The new callbacks.
4217 * toplev.h (debug_define, debug_undef): Make const correct.
4218 * toplev.c (debug_define, debug_undef): Similarly. Do not
4219 perform the verbosity tests here anymore.
4221 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4223 * reload.c (subst_reloads): Take INSN argument. When
4224 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4225 * reload.h (subst_reloads): Adjust prototype.
4226 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4227 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4228 present in JUMP_INSNs and copy them to JUMP_LABEL.
4229 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4230 JUMP_INSNs and insns with REG_LABELs that are followed by
4231 JUMP_INSNs with the same REG_LABEL.
4232 * sched-rgn.c (is_cfg_nonregular): Likewise.
4233 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4235 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4237 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4239 2001-01-06 Richard Henderson <rth@redhat.com>
4241 * loop.c (scan_loop): Use xcalloc for the regs array.
4242 (load_mems_and_recount_loop_regs_set): Zero the new memory
4243 received from xrealloc.
4245 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4247 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4249 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4251 * integrate.c (copy_rtx_and_substitute): When copying
4252 an ignored return value, strip REG_FUNCTION_VALUE_P.
4254 2001-01-06 Michael Hayes <mhayes@redhat.com>
4256 * loop.c (debug_biv, debug_giv): New.
4257 (loop_biv_dump): Break out from ...
4258 (record_biv): ... here.
4259 (loop_giv_dump): Break out from ...
4260 (record_giv): ... here.
4261 (loop_bivs_check): Use print_simple_rtl.
4262 * unroll.c (loop_iterations): Use print_simple_rtl.
4264 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4266 * pa.md (return, return_internal): Modify patterns to prevent regrename
4267 mucking with the return pointer.
4269 2001-01-05 Richard Henderson <rth@redhat.com>
4271 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4273 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4275 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4276 version supplied by Matteo Frigo.
4278 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4280 * cpp.texi: Update for -MQ.
4281 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4282 (cpp_cleanup): Always free pfile->deps.
4283 (initialize_dependency_output): Don't create pfile->deps.
4284 (cpp_handle_option): Similarly.
4286 * gcc.c (cpp_options): Handle -MQ.
4287 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4288 * mkdeps.c (base_name): Remove.
4289 (deps_init): Don't allocate vector space until it's needed.
4290 (deps_free): Only free vectors if allocated.
4291 (deps_add_target, deps_add_dep): Update for initial allocation.
4292 (deps_add_default_target): Don't strip to the base_name.
4294 2001-01-05 DJ Delorie <dj@redhat.com>
4296 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4297 (INIT_EXPANDERS): Define.
4299 * config/v850/v850.c (struct machine_function): Define.
4300 (v850_save_machine_status): New function.
4301 (v850_restore_machine_status): New function.
4302 (v850_return_addr): New function.
4303 (v850_init_expanders): New function.
4305 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4306 and v850_init_expanders.
4308 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4310 * cpplib.h (struct cpp_reader): Add help_only field.
4311 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4312 (cpp_handle_option): Set pfile->help_only if we see -h,
4313 --help, -target-help, or --version. Print version string but
4314 do not set help_only if we see -v or -version. Make text
4315 printed by -v match that printed by (-)-version.
4317 * cppmain.c (main): Exit after option parsing if
4318 pfile->help_only is true.
4320 * toplev.c (independent_decode_option): Call print_version,
4321 then exit, if we see --version (but not -version).
4322 (print_version): Split lengthy message into two lines.
4324 2001-01-05 Nick Clifton <nickc@redhat.com>
4326 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4327 temporary string for initialisation before calling ggc_alloc_string.
4329 2001-01-06 Michael Hayes <mhayes@redhat.com>
4331 * rtl.h (print_simple_rtl): New.
4332 * print-rtl.c (print_simple_rtl): New.
4334 (print_rtx): Disable printing of flags and modes, etc.,
4335 if `flag_simple` nonzero.
4337 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4339 * function.c (fixup_var_refs): Use push_to_full_sequence where
4342 2001-01-05 Michael Meissner <meissner@redhat.com>
4344 * flags.h (flag_reorder_blocks): Add declaration.
4345 (flag_rename_block): Ditto.
4347 2001-01-05 DJ Delorie <dj@redhat.com>
4349 * function.c (reorder_blocks): Make sure the flags are all reset
4350 before using them to mark blocks, else a second invocation will
4351 corrupt the block chain.
4352 (reorder_blocks_0): New, resets the flags.
4354 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4356 * cse.c (find_comparison_args): Stop if the argument is known to
4359 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4361 * config/sh/sh.md (movdf): When splitting load into pair of
4362 registers, don't clobber the register used in the address too
4365 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4367 * varasm.c (mark_constant_pool): Improve initial comments.
4368 (mark_constants): Move marking of constants to mark_constant.
4369 (mark_constant): New function to recursively mark all constants
4370 referred to by a constant.
4372 2001-01-05 Catherine Moore <clm@redhat.com>
4374 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4376 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4378 * cp/lang-options.h: Bring comment in line with reality.
4379 * f/lang-options.h: Likewise.
4380 * java/lang-options.h: Likewise.
4381 * objc/lang-options.h: Likewise.
4382 * ch/lang-options.h: Likewise.
4383 * f/g77.texi: And update the manual.
4385 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4386 Denis Chertykov <denisc@overta.ru>
4388 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4389 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4390 * config/avr/avr.md (all peepholes that request a scratch register):
4391 Call it, FAIL the peephole if not safe (in interrupt functions).
4393 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4395 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4397 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4399 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4401 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4402 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4403 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4404 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4405 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4407 * extend.texi: Document these builtins.
4409 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4411 * c-common.c (lang_get_alias_set): Say we know nothing of
4412 VECTOR_TYPE aliasing.
4414 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4416 2001-01-05 Bruce Korb <bkorb@gnu.org>
4418 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4419 their x* equivalent versions for atexit-less systems
4420 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4421 systems (or any other system any more).
4423 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4425 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4426 output operands. Use arm_hard_register_operand for operand 4.
4427 (stmsi_postinc): Similarly.
4428 (ldmsi): Use arm_hard_register_operand for opernand 2.
4430 * arm.c (arm_hard_register_operand): New function.
4431 * arm-protos.h (arm_hard_register_operand): Prototype it.
4433 * arm.h (HARD_REGNO_RENAME_OK): Define.
4435 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4437 * simplify-rtx.c (cfc_args): add "unordered" field.
4438 (check_fold_consts): Set unordered field.
4439 (simplify_relational_operation): Simplify the unordered
4442 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4445 * emit-rtl.c (try_split): Fix code to mark labels.
4446 * jump.c (mark_jump_label): Make global.
4447 * rtl.h (mark_jump_label): Declare.
4449 * predict.c (estimate_probability): Handle unordred comparisons.
4451 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4453 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4454 * cppinit.c (initialize_dependency_output): Update.
4455 (cpp_finish): Output dummy targets for -MP.
4457 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4458 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4459 * gcc.c (cpp_options): Update to handle -MP.
4460 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4461 to quote only the default target.
4462 (deps_phony_targets): Insert a preceding newline. Rename from
4463 deps_dummy_targets for consistency.
4466 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4468 * calls.c (emit_library_call_value_1): Support
4469 INIT_CUMULATIVE_LIBCALL_ARGS.
4470 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4472 2001-01-04 Richard Henderson <rth@redhat.com>
4474 * c-decl.c (finish_struct): Detect flexible array members
4475 used in an inappropriate context.
4476 * c-typeck.c (really_start_incremental_init): Special case
4477 constructor_max_index for zero length arrays.
4478 (pop_init_level): Allow initialization of flexible array
4479 members. Deprecate initialization of zero length arrays.
4480 Don't issue missing initializer warning for flexible array
4481 members or zero length arrays.
4482 (process_init_element): Don't dereference null DECL_SIZE.
4483 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4484 Don't abort for empty constructors. Use size_binop
4485 (output_constructor): Add commentary regarding zero length
4486 array futures. Abort if we try to initialize an array of
4487 unspecified length with a non-empty constructor in the middle
4490 * extend.texi (Zero Length): Update and clarify documentation
4491 on static initialization.
4493 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4495 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4496 with more than 32767 words of local storage.
4498 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4500 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4501 for 'abs', 'labs', and 'fabs'.
4502 (c4x_expand_builtin): Likewise.
4503 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4505 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4507 * config/sh/sh.md (prget, prset): New insn types.
4508 (return delay slot): Dont' allow prset.
4509 (call, sfunc delay slot): Don't allow prget.
4510 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4511 for prset and prget.
4513 2001-01-05 Michael Hayes <mhayes@redhat.com>
4515 * loop.h (struct loop_reg): New.
4516 (struct loop_regs): Change to use array of `struct loop_reg'.
4517 * loop.c: Replace assortment of varrays with single regs array.
4518 (count_one_set): Delete may_not_move array argument
4519 and use regs array instead. All caller's changed.
4520 (count_loop_regs_set): Delete may_not_move and single_usage
4521 arguments and use regs array instead. All caller's changed.
4522 (find_single_use_in_loop): Replace usage array argument with pointer
4523 to regs structure. All caller's changed.
4524 (loop_optimize): Delete `moved_once' array.
4526 2001-01-05 Michael Hayes <mhayes@redhat.com>
4528 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4529 Use it instead of loop_info->has_call for scanning loop mems.
4530 (check_dbra_loop): Replace loop_info->has_call test with
4531 loop_info->has_nonconst_call.
4533 2000-01-04 Matthew Hiller <hiller@redhat.com>
4535 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4538 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4540 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4541 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4543 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4545 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4546 (flag_short_double, flag_short_wchar): Define.
4547 (c_common_nodes_and_builtins): Create many tree nodes shared
4548 between C and C++ here instead of in cp/decl.c and ...
4549 * c-decl.c (init_decl_processing): ... here.
4550 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4551 (flag_short_double, flag_short_wchar): Don't define.
4552 (record_builtin_type): New function.
4553 (build_void_list_node): New function.
4554 * c-common.h (flag_short_double, flag_short_wchar,
4555 record_builtin_type, build_void_list_node): Declare.
4557 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
4559 * integrate.c (expand_inline_function): Don't put a virtual
4560 register into the reg map.
4562 * function.c (fixup_var_refs_1): If force_operand didn't put
4563 the address into the target, move it there.
4565 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4567 Special-case tree_decl/tree_list allocations.
4568 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
4569 (OBJECT_SIZE): New macro.
4570 (NUM_EXTRA_ORDER): Likewise.
4571 (extra_order_size_table): New variable.
4572 (NUM_ORDERS): New macro.
4573 (objects_per_page_table): New variable.
4574 (object_size_table): New variable.
4575 (G.pages): Use NUM_ORDERS to bound the array.
4576 (G.page_tails): Likewise.
4577 (DIV_ROUND_UP): Remove.
4578 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
4579 (alloc_page): Use OBJECT_SIZE.
4580 (size_lookup): Don't make it const.
4581 (ggc_alloc): Use OBJECT_SIZE.
4582 (ggc_set_mark): Likewise.
4583 (ggc_get_size): Likewise.
4584 (init_ggc): Set up the object_size_table, objects_per_page_table,
4585 and adjust size_lookup.
4586 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
4587 (ggc_pop_context): Use NUM_ORDERS.
4588 (clear_marks): Likewise.
4589 (sweep_pages): Likewise.
4590 (poison_pages): Likewise.
4591 (ggc_print_statistics): Use OBJECT_SIZE.
4593 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4595 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
4596 Only call array_size_for_constructor if last field and array type
4597 with no upper bound.
4599 2001-01-04 Philip Blundell <philb@gnu.org>
4601 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
4602 from bit 31 downwards, if this requires no more insns.
4603 (count_insns_for_constant): New helper function for above.
4605 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
4607 * gencodes.c (output_predicate_decls): Remove empty initializer.
4609 2001-01-04 Mark Mitchell <mark@codesourcery.com>
4611 * tree.c (copy_node): Remove documentation about obstacks.
4612 (buidl1): Check that nobody tries to build 2-argument nodes this
4615 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4617 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
4620 * gencodes.c (output_predicate_decls): Fill empty initializer
4623 2001-01-04 Jakub Jelinek <jakub@redhat.com>
4625 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
4626 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4628 (do_include): Handle missing headers like cpp0.
4629 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4630 paths with first include pathname. Don't strcat to uninitialized
4633 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4635 * regrename.c (regrename_optimize): Don't rename from frame pointer
4636 if frame_pointer_needed.
4637 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4638 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4639 (ia64_reorg): Use it instead of scheduling if ! optimize.
4640 (errata_emit_nops): Properly call asm_noperands.
4641 (ia64_sched_reorder): Finish cycle if we see an asm.
4642 (ia64_variable_issue): Clear scheduling state after asms.
4644 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4646 * cpp.texi: Update for -MT.
4647 * cppinit.c (initialize_dependency_output): Add a default
4648 target if none has been given already.
4649 (no_tgt, OPT_MT): New.
4650 (cpp_handle_option): Handle -MT. Update -M etc.
4651 * cpplib.h (struct cpp_options): Remove deps_target.
4652 * gcc.c (cpp_options): Handle -MT.
4653 * mkdeps.c (struct deps): Move from mkdeps.h.
4654 (deps_calc_target): Rename deps_add_default_target. Add a
4655 default target if none has been specified already.
4656 * mkdeps.h (struct deps): Move to mkdeps.c.
4657 (deps_calc_target): Rename deps_add_default_target.
4659 2000-01-03 Richard Henderson <rth@redhat.com>
4661 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4663 * c-typeck.c (push_init_level): Move checks for flexible array
4664 members and zero length arrays ...
4665 (pop_init_level): ... here. Silently discard empty initializations.
4667 * varasm.c (output_constructor): Update for sizeof change to
4670 * extend.texi (Zero Length): Clarify semantics.
4672 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4674 * configure.in (tm.h): Include isns-codes.h last.
4675 * configure: Rebuilt.
4677 2001-01-03 Richard Henderson <rth@redhat.com>
4679 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4680 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4682 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4684 * tradcpp.c (main): Make sure finclude() is called with a valid
4685 indepth value while handling -include.
4687 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4689 * gencodes.c (output_predicate_decls): New function.
4691 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4692 even if it is not the first time machmode.h is #included.
4693 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4694 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4695 * gcc.texi (Copyright): Added 2001.
4697 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4699 * c-common.c (c_common_lang_init): New function. Warn if format
4700 warning options which only have effects when used with -Wformat
4701 are used without -Wformat.
4702 * c-common.h (c_common_lang_init): Declare.
4703 * c-lang.c (lang_init): Call c_common_lang_init.
4704 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4706 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4708 * configure.in: Check for the mktemp command.
4709 * configure: Regenerate.
4710 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4711 $TEMP. Create temporary files with mktemp, if available at
4712 configure time; otherwise use set -C. Remove temporary files
4715 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4717 * configure.in: Require at least texinfo 4.0. Check for whether
4718 Pod::Man is sufficiently recent to regenerate GCC manpages.
4719 * configure: Regenerate.
4720 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4722 (GENERATED_MANPAGES): Define.
4723 (generated-manpages): New target. Depend on cpp.1 as well as
4725 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4726 configure to generated-manpages or empty) rather than on the
4727 manpages directly. Remove execute permission from installed
4728 gcov.1 as well as cpp.1.
4729 * cpp.1, gcov.1: Regenerate.
4731 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4733 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4734 tree_low_cst. Allow using cmpstrsi in more cases.
4736 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4738 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4741 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4743 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4744 * Makefile.in (HOST_CFLAGS): Mention build-make.
4746 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4748 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4751 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4753 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4756 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4759 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4760 reg_base_value and reg_known_value arrays.
4761 (init_alias_analysis): Add more cases to detect known values.
4762 * sched-deps.c (deps_may_trap_p): New function.
4763 (sched_analyze_2): Use it.
4765 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4767 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4768 don't discard an ASHIFTRT if we're shifting in a wider mode.
4770 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4772 * toplev.c (rest_of_compilation): Don't print basic block information
4773 when CFG isn't up to date.
4775 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4777 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4778 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4779 (UNALIGNED_SHORT_ASM_OP): Define.
4780 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4782 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4784 * fold-const.c (fold_convert): Fix typo.
4786 2001-01-02 Richard Henderson <rth@redhat.com>
4788 * c-common.h (ASM_INPUT_P): New.
4789 * c-parse.in (asm): Set it when needed.
4790 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4791 existance of an operand.
4793 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4795 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4796 (dwarf2out_frame_debug_expr): Likewise.
4797 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4799 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4801 * i386.c (ix86_split_to_parts): Return number of part required;
4803 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4805 (ix86_split_long_move): Use number of part returned
4806 by ix86_split_to_parts
4807 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4809 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4810 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4811 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4812 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4813 (ALIGN_MODE_128): Add TFmode.
4814 (IS_STACK_MODE): Likewise.
4815 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4816 (HARD_REGNO_OK): Support TFmodes.
4817 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4818 * i386.md (scheduler definitions): Use memory operand to determine
4819 fst/fld instructions; use mode attribute to determine real mode of
4821 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4822 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4824 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4826 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4828 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4830 * expr.c (store_constructor_field): Update ALIGN before calling
4833 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4835 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4838 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4840 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4843 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4845 * c-decl.c (start_function): Don't warn on third parameter to main.
4847 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4849 * tsystem.h: Define HAVE_DECL_GETOPT.
4851 2001-01-02 Philip Blundell <pb@futuretv.com>
4853 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4856 2001-01-02 Richard Henderson <rth@redhat.com>
4858 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4860 2001-01-02 Andreas Jaeger <aj@suse.de>
4862 * c-decl.c (c_decode_option): Remove support of
4865 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4866 (W_options): Add -Wmissing-noreturn here.
4868 * flow.c: Define lang_missing_noreturn_ok_p.
4869 (check_function_return_warnings): Use it.
4871 * c-common.h: Declare lang_missing_noreturn_ok_p.
4873 * c-lang.c (c_missing_noreturn_ok_p): New function.
4874 (lang_init): Set lang_missing_noreturn_ok_p.
4876 * invoke.texi (Warning Options): Document this.
4878 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4880 * extend.texi (C++ Extensions): New node for C++ attributes;
4881 describe init_priority and com_interface.
4882 * invoke.texi: Remove -finit-priority as it now has zero effect.
4883 * install.texi: Fix xref syntax.
4884 * md.texi: Likewise.
4886 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4888 * config.gcc (sparc64-wrs-vxworks*): New case.
4889 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4891 * config/sparc/sparc.c (sparc_override_options): Do support different
4892 pointer and architecture size.
4893 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4894 (POINTERS_EXTEND_UNSIGNED): Define.
4895 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4896 (FUNCTION_MODE): Define to be Pmode.
4897 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4899 * function.c (expand_function_end): Properly handle DECL_RESULT
4900 and copy when ptr_mode != Pmode.
4901 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4903 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4905 * c-common.c (c_common_nodes_and_builtins): Set prototype
4906 parameters for __builtin_fputs, __builtin_fputc and
4907 __builtin_fwrite. Don't declare plain fputc as a builtin.
4909 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4911 * loop.c (add_label_notes): Increment the label usage count when
4912 a note is added to an insn which refers to a CODE_LABEL.
4913 * gcse.c (add_label_notes): Likewise.
4915 2001-01-01 Andreas Jaeger <aj@suse.de>
4917 * loop.c (scan_loop): Use xmalloc to allocate movables.
4919 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4921 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4922 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4923 * reload1.c (REGISTER_MOVE_COST): Likewise.
4924 * regclass.c (REGISTER_MOVE_COST): Likewise.
4925 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4926 dimension. Adjust all users.
4927 (init_reg_sets_1): Iterate on all modes.
4928 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4929 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4930 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4931 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4932 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4933 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4934 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4935 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4936 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4937 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4938 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4939 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4940 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4941 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4942 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4943 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4944 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4945 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4946 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4947 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4948 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4949 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4950 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4951 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4952 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4953 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4954 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4956 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4958 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4959 arg VARIES_P. Call it with extra arg.
4960 (true_dependence): Likewise.
4961 * rtl.h (rtx_addr_can_trap_p): Declare.
4962 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4964 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4965 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4966 pic offset table register if it's zero. All callers changed.
4967 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4969 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4971 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4972 STRING_POOL_ADDRESS_P.
4974 * config/sparc/sparc.c (input_operand): Properly test for short op.
4976 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4977 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4978 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4979 * config/sparc/elf.h: No longer include sol2.h.
4980 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4981 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4983 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4985 2001-01-01 Michael Hayes <mhayes@redhat.com>
4987 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4988 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4989 (record_initial): Likewise.
4990 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4991 (remap_split_bivs): Likewise.
4993 2001-01-01 Michael Hayes <mhayes@redhat.com>
4995 * loop.c (loop_ivs_free): New function.
4996 (strength_reduce): Break out from...
4998 2001-01-01 Michael Hayes <mhayes@redhat.com>
5000 * loop.h (struct iv): New.
5001 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5002 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5003 'reg_biv_class' fields with 'regs' and 'n_regs'.
5004 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5005 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5006 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5008 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5010 * resource.c (mark_referenced_resources): Abort() before
5011 attempting to mark a pseudo register.
5012 (mark_set_resources): Likewise.
5014 2001-01-01 Michael Hayes <mhayes@redhat.com>
5016 * loop.h (REG_IV_CLASS): New accessor macro.
5017 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5018 * unroll.c (REG_IV_CLASS): Likewise.
5020 See ChangeLog.4 for earlier changes.
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