1 2001-02-13 DJ Delorie <dj@redhat.com>
3 * configure.in (check_languages): determine languages to check
4 * Makefile.in (check-c++): alias for check-g++
5 (check-f77): alias for check-g77
6 (CHECK_TARGETS): depend on configured languages
8 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
10 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
11 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
12 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
13 (sqrtextendsfdf2): Disable for SSE2.
15 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
17 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
18 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
19 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
20 (sqrtextendsfdf2): Disable for SSE2.
22 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
24 * i386.md (movsfcc_1): Support integer cmove instruction.
25 (movdfcc_1): Likewise; new splitter.
27 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
29 * i386.c (output_fp_compare): Support SSE.
30 (prepare_fp_compare_args): SSE comparisons always support memory.
31 * i386.h (TARGET_CMOVE): SSE imply cmove.
32 * i386.md (cmp?f2): Enable for SSE too.
33 (cmpfp_i*): Support SSE.
35 (cmpfp_i_sse_only): New.
36 (s*, b* fp expanters): Enable for SSE too.
37 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
40 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
42 * regclass.c (init_reg_sets_1): Silence warning.
44 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
46 * i386.md (sqrt?f2): Change to expander.
47 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
49 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
51 * rtlanal.c (find_reg_equal_equiv_note): New function.
52 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
53 (simplify_gen_relational, simplify_replace_rtx): Likewise.
54 * rtl.h: Add declarations for above functions.
56 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
58 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
60 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
61 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
62 * flow.c (mark_regs_live_at_end): Likewise.
63 (calculate_global_regs_live): Likewise.
64 * gcse.c (compute_hash_table): Likewise.
65 (compute_kill_rd): Likewise.
66 * resource.c (mark_target_live_regs): Likewise.
67 * rtl.h (INVALID_REGNUM): New macro.
69 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
71 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
73 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
75 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
78 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
80 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
82 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
83 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
84 (fop_sf_1_sse, fop_df_1_sse): New patterns
85 (fop_*): Disable float_extend and float patterns for SSE compilation.
86 * i386.c (output_387_binary_op): Support SSE.
88 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
90 * i386.md (dummy_extendsfdf2): Support SSE2
91 (extendsfdf2): Enable if 80387 or SSE2.
92 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
94 (extendsfdf2_1_sse_only): New pattern.
95 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
97 (truncdfsf2_1): Support SSE.
98 (truncdfsf2_2): Support SSE.
99 (truncdfsf2_2_1_sse): New pattern.
100 (fixtruncsfsi2): Always use SSE if available.
101 (fix_truncsfsi_sse): New pattern.
102 (fix_truncdfsi_sse): New pattern.
103 (floatsis?f2): Support SSE.
104 (floatsidf2_i387): New pattern.
105 (floatsidf2_sse): Likewise.
107 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
109 * configure.in: Use "have_gnat" variable, not "gnat".
110 * configure: Regenerated.
112 * config/sparc/sparc.c (function_value): Treat all non-record
113 aggregate types like used to treat UNION_TYPE.
115 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
117 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
118 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
120 (MASK_MIX_SSE_I387): New.
121 (TARGET_SSE): SSE2 imply SSE.
122 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
123 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
124 (enum reg_class): Add new classes.
125 (REG_CLASS_NAMES): Likewise.
126 (REG_CLASS_CONTENTS): Likewise.
127 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
128 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
129 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
130 (CLASS_MAX_NREGS): Use new macros.
131 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
132 * i386.md (pushsf, movsf): Support SSE.
133 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
134 splitters to use ANY_FP_REGNO_P.
135 (movdf_nointeger, movdf_integer): Likewise.
137 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
139 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
140 (try_combine): Use it.
142 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
144 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
145 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
146 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
147 (REGISTER_MOVE_COST): Likewise.
148 * i386-protos.h (ix86_secondary_memory_needed,
149 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
150 * i386.c (ix86_secondary_memory_needed,
151 ix86_preferred_reload_class, ix86_register_move_cost): New function.
153 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
155 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
156 (HARD_REGNO_MODE_OK): Move offline to ....
157 * i386.c (ix86_hard_regno_mode_ok) ... here;
158 refuse all incorrect modes.
159 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
161 2001-02-13 Richard Henderson <rth@redhat.com>
163 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
164 entire operator; replicate that and match_dup the operands.
165 (cmp_ccx_arith_op_set): Likewise.
166 (cmp_cc_arith_op_not_set): Likewise.
167 (cmp_ccx_arith_op_not_set): Likewise.
169 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
171 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
173 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
175 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
176 (TARGET_NO_BITFIELD_WORD): New macro.
177 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
178 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
180 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
182 * cselib.c: New file, from simplify-rtx.c.
183 * simplify-rtx.c: Remove cselib parts.
184 * Makefile.in: Add cselib.o.
186 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
188 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
189 (setup_incoming_varargs): Remove warning.
191 * config/rs6000/rs6000.c (validate_condition_mode): When
192 flag_fast_math, allow floating-point conditionals to be reversed.
193 (rs6000_generate_compare): When flag_fast_math, don't generate
194 cror operations for FP conditionals.
196 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
198 (ASM_SPEC): Likewise.
199 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
200 (CC1_SPEC): Likewise.
201 (LINK_TARGET_SPEC): Likewise.
202 (CPP_ENDIAN_SPEC): Likewise.
203 * Makefile.in (check-consistency): New target.
205 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
207 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
208 "return type defaults" warning for functions with return type
210 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
211 function declarations by default rather than only when pedantic.
213 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
215 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
218 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
220 * extend.texi (Deprecated): Deprecate new initializer lists.
222 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
224 * mkdeps.c (deps_add_default_target): Robustify. Add
225 basename component only.
226 * cpp.texi (-M): Describe how default target is generated.
227 * invoke.texi (-M): Likewise.
229 2001-02-12 Kazu Hirata <kazu@hxi.com>
231 * toplev.c (push_float_handler): Remove.
232 (pop_float_handler): Remove.
233 * toplev.h: Remove prototypes for the above functions.
235 2001-02-12 Jakub Jelinek <jakub@redhat.com>
237 * c-common.c (constant_fits_type_p): New function.
238 (convert_and_check): Use it.
240 2001-02-11 Mark Mitchell <mark@codesourcery.com>
242 * Makefile.in (GXX_ABI_FLAG): Don't define.
243 * configure.in (--enable-new-gxx-abi): Remove option.
244 * config.in: Regenerated.
245 * configure: Likewise.
247 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
249 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
251 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
252 regular basic block, and arrange for all edges into it to switch
255 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
257 * Makefile.in (distclean): Do not remove .gdbinit.
259 2001-02-11 Mark Mitchell <mark@codesourcery.com>
261 * Makefile.in (gcc.o): Fix typos.
262 (protize.o): Likewise.
263 (unprotoize.o): Likewise.
265 2001-02-11 Richard Henderson <rth@redhat.com>
267 * tree.c (build1): Check for null operand in last change.
269 2001-02-11 Richard Henderson <rth@redhat.com>
271 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
272 (fold): Don't assume a constant isn't foldable.
273 * tree.c (build): Set TREE_CONSTANT for an expression with no
274 side-effects and constant operands.
277 2001-02-10 Richard Henderson <rth@redhat.com>
279 * jump.c (squeeze_notes): Revert 2000-05-12 change.
281 2001-02-10 Anthony Green <green@redhat.com>
283 * cpp.texi (Standard Predefined): Add documentation for
286 * c-common.c (combine_strings): Improve warning message.
288 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
290 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
292 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
294 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
296 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
299 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
301 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
304 2001-02-09 Nick Clifton <nickc@redhat.com>
306 * config/arm/arm.md: Change output contraint on post inc
307 load/store multiple patterns to be a read/write contraint.
309 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
311 * gcc.c (cpp_options): Delete .d files on error. Don't delete
312 .o files when using the -M options.
314 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
315 David Edelsohn <edelsohn@gnu.org>
317 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
318 handle DImode constants. Use one TOC entry for SImode and smaller
319 constants, aligned properly.
321 2001-02-08 Jason Merrill <jason@redhat.com>
323 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
324 about the SP adjustment for saving the static chain pointer.
325 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
326 offset when setting a temporary CFA register.
328 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
330 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
331 powerpc-*-chorusos* .
332 * config/rs6000/chorus.h : New file.
333 * config/i386/chorus.h : New file.
334 * config/sparc/chorus.h : New file.
335 * config/sparc/t-chorus-elf : New file.
337 2001-02-08 David Edelsohn <edelsohn@gnu.org>
339 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
340 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
341 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
342 (__WCHAR_TYPE__): Correct macro name.
344 2001-02-08 Richard Henderson <rth@redhat.com>
346 * config/i386/i386.c (ix86_frame_pointer_required): New.
347 (ix86_setup_frame_addresses): New.
348 (struct machine_funciton): Add accesses_prev_frame.
349 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
350 ix86_frame_pointer_required.
351 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
352 (SETUP_FRAME_ADDRESSES): New.
353 * config/i386/i386-protos.h: Update.
354 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
355 from FRAME_POINTER_REQUIRED.
356 * config/i386/svr3gas.h: Likewise.
357 * config/i386/sysv3.h: Likewise.
358 * config/i386/v3gas.h: Likewise.
360 2001-02-08 Richard Henderson <rth@redhat.com>
362 * config/sparc/sparc.c (function_arg_record_value_3): Fix
363 calculation of the number of integer registers required.
364 (function_arg_record_value): Likewise.
366 2001-02-08 Jason Merrill <jason@redhat.com>
368 * diagnostic.c (internal_error): Say "confused" after 1 error, not
369 two. Print file and line with "confused" message.
371 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
373 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
375 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
377 2001-02-08 Bernd Schmidt <bernds@redhat.com>
379 * final.c (cleanup_subreg_operands): The address of a MEM can
382 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
385 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
387 * gcc.texi (Incompatibilities): Update documentation of
388 preprocessing numbers.
390 2001-02-07 Jakub Jelinek <jakub@redhat.com>
392 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
394 2001-02-07 Mark Mitchell <mark@codesourcery.com>
396 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
398 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
399 * gcc.c (struct compiler): Add cpp_spec field.
400 (input_file_compiler): New variable.
401 (do_spec_1): Allow a particular compiler to handle `%C'
403 (main): Store the current compiler in input_file_compiler.
404 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
406 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
408 * cpphash.h (struct spec_nodes): Add n_true and n_false.
409 * cppinit.c (cpp_create_reader): Initialize them.
410 (append_include_chain): cxx_aware arg might be unused.
411 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
412 keywords and give them their phase 7 meaning. Pedwarn about
413 this unless '__bool_true_false_are_defined' is defined.
415 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
417 * lcm.c (optimize_mode_switching): Emit mode_set before the
418 JUMP_INSN of an abnormal edge.
420 2001-02-07 Bernd Schmidt <bernds@redhat.com>
422 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
423 a scheduling barrier at the end.
425 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
427 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
429 * config/sh/sh.md (reload_outsf): Removed.
430 (movsf_ie): Introduce constraints for FPUL loads and stores.
431 (reload_insf): Broaden the output constraint.
433 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
435 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
436 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
438 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
440 * final.c: Revert my previous changes.
441 * output.h: Make profile_label_no extern.
442 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
443 for generating label.
445 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
447 * config/i386/djgpp.h: Add comments about standard paths.
448 (MD_EXEC_PREFIX): Undefine before defining.
449 (MD_STARTFILE_PREFIX): New.
451 2001-01-30 Bruce Korb <bkorb@gnu.org>
453 fixinc/fixincl.c(process): Emit error message only if appropriate :)
454 (load_file): do not rely on load_file_data() to close file pointer
455 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
456 fixinc/inclhack.def(irix_limits_const): add test_text
458 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
460 * cppexp.c (parse_defined): Improve diagnostics for invalid
463 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
465 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
467 2001-02-06 Mark Mitchell <mark@codesourcery.com>
469 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
470 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
471 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
472 (rs6000_output_symbol_ref): New function.
473 (output_toc): Use VTABLE_NAME_P.
475 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
477 * print-tree.c (print_node, case PARM_DECL):
478 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
480 * stor-layout.c (reference_types_internal): New variable.
481 (internal_reference_types): New function.
482 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
483 * tree.h (internal_reference_types): New declaration.
485 * cse.c (find_best_addr): Fix typo in computing cost.
487 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
489 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
490 and this is the sum of a pointer and a constant, we know the result
492 (num_sign_bit_copies, case PLUS): Likewise.
493 * explow.c (convert_memory_address): Remove opposite SUBREG.
494 * function.c (instantiate_new_reg): New function (from common code).
495 (instantiate_virtual_regs_1): Call it.
496 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
497 if pointers sign- or zero-extend.
498 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
499 If pointers extend unsigned, use inside of SUBREG.
500 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
502 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
504 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
505 subdir of gcc_gxx_include_dir.
506 (gcc_gxx_target_include_dir): Remove.
508 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
510 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
511 (dwarf2out_frame_debug_expr): Revise introductory comments to add
512 a high-level description.
514 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
516 * final.c: Move the declaration of profile_label_no to ...
517 * output.h: ... here.
518 * function.c (expand_function_start): Call PROFILE_HOOK.
519 * config/rs6000/aix.h: Define PROFILE_HOOK.
520 * config/rs6000/rs6000-protos.h: output_profile_hook new.
521 * config/rs6000/rs6000.c (output_profile_hook): Define.
522 (output_prolog): Do nothing for ABI_AIX as it is taken care by
524 tm.texi : Explain new macro PROFILE_HOOK.
526 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
528 * extend.texi (Extended Asm): Do not say that semicolon is always
529 a valid line-breaking character for GNU assemblers. Use
530 newline-tab as the most commonly supported syntax. Use
531 newline-tab rather than semicolon in multi-insn examples.
533 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
535 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
537 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
538 David Edelsohn <edelsohn@gnu.org>
540 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
541 code for AIX, even without flag_pic.
543 2001-02-05 Jakub Jelinek <jakub@redhat.com>
545 * c-typeck.c (common_type): push and pop binding level around
546 calling common_type on function parameters.
548 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
550 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
552 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
554 * config/mips/mips.c (override_options): Fix typo in last change.
555 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
556 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
558 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
560 * invoke.texi (-fdump-class-layout): Document.
561 (-fdump-translation-unit): Use `=' as filename separator.
563 2001-02-05 Mark Mitchell <mark@codesourcery.com>
565 * Makefile.in (s-mlib): Don't build multilibs if
567 (DRIVER_DEFINES): Adjust accordingly.
569 (protoize.o): Likewise.
570 (unprotoize.o): Likewise.
571 * configure.in: Recognize --enable-multilib.
573 2001-02-04 Mark Mitchell <mark@codesourcery.com>
575 * Makefile.in (DRIVER_DEFINES): Fix quoting.
577 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
578 * configure.in: Remove --enable-libstdcxx_v3 support.
579 * configure: Regenerated.
581 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
583 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
584 Call abort instead of fatal.
585 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
586 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
587 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
588 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
589 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
590 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
592 * diagnostic.h (set_internal_error_function): Renamed.
593 * toplev.h (internal_error): Renamed from fatal.
594 (pfatal_with_name): Deleted.
595 (fatal_io_error): Now has printf-style arguments.
596 * diagnostic.c (pfatal_with_name): Deleted.
597 (fatal_io_error): Rework to have args in printf-style.
598 (set_internal_error_function): Renamed from set_fatal_function.
599 (internal_error): Renamed from fatal.
600 (error_recursion, fancy_abort): Call internal_error instead of fatal.
601 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
602 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
603 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
604 * flow.c (verify_flow_info): Likewise.
605 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
606 * config/mips/mips.c (save_restore_insns): Likewise.
608 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
609 * flow.c (verify_flow_info): Likewise.
610 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
611 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
612 (avr_normalize_condition): Likewise.
613 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
614 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
615 (limit_reload_class, double_reg_to_memory): Likewise.
616 (print_operand_address, emit_1600_code_shift): Likewise.
617 (gen_tst_reg, gen_compare_reg): Likewise.
618 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
619 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
621 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
623 * c-parse.in (methoddef): Call fatal_error instead of fatal.
624 * objc/objc-act.c (build_ivar_chain): Likewise.
625 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
627 * graph.c (clean_graph_dump_file): Likewise.
628 * profile.c (init_branch_prob): Likewise.
629 * objc/objc-act.c (objc_init): Likewise.
631 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
632 * config/avr/avr.c (avr_override_options): Likewise.
633 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
634 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
635 * config/h8300/h8300.c (h8300_init_once): Likewise.
636 * config/mips/mips.c (override_options): Likewise.
637 * config/i386/i386.c (override_options): Likewise, rework.
638 * config/m68k/m68k.c (override_options): Likewise.
640 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
642 * config/mips/mips.c (print_operand): Likewise.
643 * hash.c (hash_allocate): Don't check for failure returns from
644 obstack functions that can't fail.
645 (hash_table_init_n, hash_table_init): Likewise; also now return void.
646 * hash.h (hash_table_init_n, hash_table_init): Now return void.
647 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
648 (get_object_reference): Likewise.
650 2001-02-04 Nick Clifton <nickc@redhat.com>
652 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
653 StrongARM1110, 10TDMI, and 1020T.
655 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
657 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
659 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
661 * config/sh/sh.md (movdf load split): Pass register number to
664 2001-02-04 Mark Mitchell <mark@codesourcery.com>
666 * cppinit.c (BC): New macro.
667 (builtin_array): Add __GXX_WEAK__.
668 * cpplib.h (builtin_type): Add BT_WEAK.
669 * cppmacro.c (builtin_macro): Handle BT_WEAK.
670 * defaults.h (SUPPORTS_ONE_ONLY): Define.
671 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
673 2001-02-03 Jakub Jelinek <jakub@redhat.com>
675 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
677 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
679 * cpphash.h: Rename _ALIGN POOL_ALIGN.
680 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
682 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
684 * cpphash.h: Rename ALIGN _ALIGN.
685 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
687 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
689 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
690 compilation environment.
691 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
692 control over location of cygwin includes and libs.
694 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
696 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
698 2001-02-02 lars brinkhoff <lars@nocrew.org>
700 * md.texi (Standard Names): remove reference to spur.md.
702 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
704 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
705 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
706 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
707 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
708 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
710 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
712 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
713 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
714 number before reload.
715 (c4x_adjust_cost): Return zero before reload.
716 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
719 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
721 * c4x.c (c4x_hard_regno_rename_ok): New.
722 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
723 * c4x.h (HARD_REGNO_RENAME_OK): Define.
725 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
727 * diagnostic.h: Add missing "extern" in all declarations.
729 2001-02-02 Alex Samuel <samuel@codesourcery.com>
731 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
732 as for gcc_gxx_include_dir.
734 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
736 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
738 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
740 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
741 label before alignment to be used as the braf base address.
742 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
744 (casesi_jump_2): Require at least TARGET_SH2.
746 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
747 truncation to 32-bit doubles on -m3e and -m4-single-only.
749 2001-02-02 Mark Mitchell <mark@codesourcery.com>
751 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
752 the default when building a shared object.
754 * testsuite/lib/g++.exp: Include the directory where libgcc
755 is located to the LD_LIBRARY_PATH list.
756 * invoke.texi (-shared-libgcc): Document the cases in which
757 GCC defaults to using the shared libgcc.
759 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
761 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
762 unsigned is wide enough.
764 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
765 (si_to_float): Likewise.
766 (float_to_si, float_to_usi): Use BITS_PER_SI.
768 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
770 * dwarf2out.c: Added explanation of abbreviations.
771 (def_cfa_1): Added comments listing DWARF2 instructions.
772 (cfa_temp_reg): Removed in favor of cfa_temp.
773 (cfa_temp_value): Removed in favor of cfa_temp.
774 (cfa_temp): New global variable.
775 (dwarf2out_frame_debug_expr): Added extensive introductory
776 comments explaining the function's transformations. Revised to
777 use cfa_temp. Added some rtx checking. Generalize IOR case.
778 (dwarf2out_frame_debug): Revised to use cfa_temp.
779 (output_aranges): Cast as "unsigned" to avoid warning.
780 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
781 explain which instructions must be marked.
783 2001-02-01 Richard Henderson <rth@redhat.com>
785 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
788 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
790 * config/sh/crt1.asm (main_k): Modified so that start calls
791 ___setup_argv_and_call_main.
793 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
795 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
796 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
797 and AVOID_LPASTE is cleared on meeting an unescaped newline.
798 * cppmacro.c (builtin_macro): Set builtin flags here.
799 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
800 (replace_args): Clarify intent.
801 (cpp_get_token): Macro expansion tokens get the saved flags.
803 * cppmain.c (scan_buffer): Remove now-redundant print.printed
806 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
808 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
811 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
813 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
814 returns Pmode pseudo, but we need ptr_mode.
815 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
816 Remove bogus conversions; use HOST_WIDE_INT for size.
817 Don't use TARGET if wrong mode.
819 * config/i386/i386.c (ix86_compute_frame_size): Allow
820 stack_alignment_needed to be non-default even if size is zero.
822 2001-01-31 Alan Modra <alan@linuxcare.com.au>
824 * (hppa_init_pic_save): Emit the pic offset table
825 reg save after last_parm_insn.
826 * pa.c (hppa_init_pic_save): New function.
827 * pa.h (hppa_init_pic_save): Declare.
828 * pa.md (call, call_value, sibcall, sibcall_value): Use
829 the above instead of duplicated code.
831 * pa.c (hppa_encode_label): Correct size of alloca buffer
832 so we don't overrun it. Correct leading `*' case.
833 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
835 (FUNCTION_NAME_P): Likewise.
837 2001-01-31 Richard Henderson <rth@redhat.com>
839 * config.gcc (alpha-osf5): Use float-i128.h.
841 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
842 * config/float-i32.h: Likewise.
843 * config/float-i64.h: Likewise.
844 * config/float-sh.h: Likewise.
845 * config/float-sparc.h: Likewise.
847 2001-01-31 DJ Delorie <dj@redhat.com>
849 * expmed.c (extract_bit_field): allow non-integral modes if we
850 want to extract a whole register from itself.
852 2001-01-31 Jakub Jelinek <jakub@redhat.com>
854 * c-typeck.c (set_init_index): If first is equal to last, assume as
855 if it was not a range at all.
857 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
859 * config/fp-bit.c: Include tm.h.
860 (float_to_si): Don't assume SImode is 32-bits wide.
861 (float_to_usi): Likewise.
863 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
865 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
867 (typename): Call pending_xref_error after parsing typed_typespecs.
868 * c-decl.c (lookup_tag): Give error immediately rather than
869 leaving it pending if the tag of the wrong type is in the same
871 (xref_tag): Don't pedwarn for forward declarations of enum types
873 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
876 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
878 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
880 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
882 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
883 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
885 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
887 * cpphash.h (struct cpp_reader): New saved_flags.
888 * cppmacro.c (cpp_get_token): Use saved_flags to remember
889 to avoid a paste after a pasted token.
891 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
893 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
894 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
895 Wtype_MIN instead of LONG_MIN.
897 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
899 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
901 * fixinc/fixincl.x: Regenerated.
902 * fixinc/inclhack.def (irix_limits_const): New definition to
903 convert "const" to "__const" in limits.h.
905 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
907 * fixinc/genfixes (AG): Fix "autogen4" thinko.
909 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
911 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
912 when register dies in the insn.
914 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
916 * diagnostic.c (fatal): Fix word wrap.
918 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
920 * combine.c (try_combine): Fix SUBREG setting for
921 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
923 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
925 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
928 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
930 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
932 * toplev.c (decode_W_option): Update warn_larger_than
933 unconditionally for each processed switch.
935 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
937 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
939 (hppa_expand_prologue): Delete code to save pic offset table register
940 in the function prologue.
941 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
942 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
943 table register at the beginning of the function after the prologue.
945 2001-01-29 lars brinkhoff <lars@nocrew.org>
947 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
949 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
950 Jeff Law <law@redhat.com>
952 * pa.md (return): Revise comment for trivial return.
953 (return_internal): Non-trivial return pattern for non-PIC code.
954 (return_internal_pic): Non-trivial return pattern for PIC code.
955 It uses the PIC register to ensure it is restored after
957 (epilogue): Generate appropriate return for PIC and non-PIC code.
959 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
961 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
963 2001-01-29 DJ Delorie <dj@redhat.com>
965 * combine.c (if_then_else_cond): Pass the correct mode to
966 operand_subword() for constants.
968 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
970 * config/i386/cygwin.h: Add w32api to include search. Search different
971 directories in a cross-build environment.
973 2001-11-29 Tim Josling <tej@melbpc.org.au>
975 * tree.h (TYPE_STUB_DECL): Add documentation.
977 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
979 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
980 (sdbout_field_types): Likwise. Fix use of host_integerp.
982 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
984 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
987 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
989 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
990 to use flag_gnu_linker.
992 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
994 * cpplib.c (T_BAD_DIRECTIVE): Remove.
995 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
997 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
999 * tree.c, tree.h (build_parse_node): Remove; was identical to
1001 * c-lang.c (start_cdtor), objc/objc-act.c
1002 (build_module_descriptor): Use build_nt instead of
1005 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1007 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1008 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1009 not have any upper bits set.
1011 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1013 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1015 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1017 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1019 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1021 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1022 (integer_minus_one_node): Define.
1024 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1026 * Makefile.in (bootstrap2-lean): Fix typo.
1028 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1030 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1031 : Don't set fe_value.
1032 * cpplib.h (AVOID_LPASTE): New flag.
1033 (struct cpp_hashnode): Remove fe_value.
1034 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1035 * cppmacro.c (builtin_macro): Don't set flags here.
1036 (replace_args): Set AVOID_LPASTE flag on first token of an
1037 argument, and the token following it.
1038 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1039 macro expansion, and on the token following it. Do it for
1041 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1043 2001-01-27 Richard Henderson <rth@redhat.com>
1045 * config/alpha/t-ieee: Remove multilibbing.
1046 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1048 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1050 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1052 * Makefile.in: Remove all dependencies on defaults.h.
1053 * builtins.c: Don't include defaults.h.
1054 * c-common.c: Likewise.
1055 * c-decl.c: Likewise.
1056 * c-pragma.c: Likewise.
1057 * c-typeck.c: Likewise.
1058 * combine.c: Likewise.
1060 * frame-ia64.c: Likewise.
1061 * cppexp.c: Likewise.
1062 * crtstuff.c: Likewise.
1063 * dbxout.c: Likewise.
1064 * dwarf2out.c: Likewise.
1065 * dwarfout.c: Likewise.
1066 * emit-rtl.c: Likewise.
1067 * except.c: Likewise.
1069 * final.c: Likewise.
1070 * frame-dwarf2.c: Likewise.
1071 * libgcc2.c: Likewise.
1072 * optabs.c: Likewise.
1073 * profile.c: Likewise.
1074 * sdbout.c: Likewise.
1075 * toplev.c: Likewise.
1076 * tradcif.y: Likewise.
1078 * varasm.c: Likewise.
1080 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1082 * builtins.c (expand_builtin_fputs): Use size_one_node when
1083 transforming into fwrite.
1085 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1087 * extend.texi (Attribute Syntax): New section.
1089 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1091 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1092 they didn't need fixing.
1094 2001-01-27 Janis Johnson <janis@us.ibm.com>
1096 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1098 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1099 to remove macro definitions that are duplicated from elfos.h.
1101 2001-01-27 Richard Henderson <rth@redhat.com>
1103 * config/i386/sco5gas.h: Move ...
1104 * config/usegas.h: ... here.
1105 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1107 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1109 * c-typeck.c (struct constructor_stack): Add range_stack member.
1110 (really_start_incremental_init): Clear it.
1111 (push_init_level): Save constructor_range_stack and clear it if
1112 pushing explicit braces.
1113 (pop_init_level): abort if constructor_range_stack is non-zero at
1114 explicit closing brace. Restore saved constructor_range_stack if
1117 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1119 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1120 into register was forced into memory.
1122 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1124 * Makefile.in: Remove uses of + before $(MAKE).
1126 2001-01-26 Richard Henderson <rth@redhat.com>
1128 * stmt.c (cost_table): Remove.
1129 (COST_TABLE, cost_table_initialized): New.
1130 (estimate_case_costs): Use the later instead of the former.
1131 (balance_case_nodes): Likewise.
1133 2001-01-26 Richard Henderson <rth@redhat.com>
1135 * alias.c (objects_must_conflict_p): Read-only slots may not
1136 conflict despite having the same type.
1138 2001-01-27 Michael Hayes <mhayes@redhat.com>
1140 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1142 (check_ext_dependant_givs): Initialise u_start_val and
1144 (load_mems): Make last_max_reg unsigned.
1145 (try_swap_copy_prop): Use INSN_P and initialise set.
1147 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1149 * README.AVR : Removed.
1151 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1153 * pa-64.h (text_section): Remove declaration.
1155 * pa.md (return_internal): Remove mode on PIC register use.
1157 2001-01-25 lars brinkhoff <lars@nocrew.org>
1159 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1160 ASM_CLOSE_PAREN): fix typos.
1162 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1164 * acconfig.h: Define `const' to the empty string if neither
1165 __STDC__ nor __cplusplus is defined.
1166 * config.in: Regenerated.
1168 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1170 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1171 * collect2.c (main): Delete importf. Add ".obj" file extension.
1172 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1173 (aix_std_libs): Add additional AIX libraries to skip.
1174 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1175 * config/rs6000/aix51.h: New file.
1177 2001-01-25 Michael Hayes <mhayes@redhat.com>
1179 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1180 (loop_insn_emit_before): No longer static.
1181 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1182 (loop_givs_rescan, load_mems): Likewise.
1183 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1184 (maybe_eliminate_biv_1):
1185 (move_movables): Replace emit_call_insn_before with
1186 loop_call_insn_hoist.
1187 * loop.h (loop_insn_emit_before): Add.
1188 * unroll.c (copy_loop_body): Replace emit_insn_before with
1189 loop_insn_emit_before.
1191 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1193 * diagnostic.c (fatal): Request preprocessed source.
1195 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1197 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1198 olddecl has argument types and newdecl has none, use the argument
1201 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1203 * dwarf2out.c (prefix_of): New function. Determine longest common
1204 prefix of the two arguments. The units are whole path components.
1205 (output_file_names): When adding a new directory find the one entry
1206 with the longest common prefix already in the list. Artificially
1207 generate entry if there is none for this prefix.
1208 Fix test to check whether the zeroth directory entry is used.
1210 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1212 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1213 Changed all callers. Take it into account when deciding if a
1214 previously loaded value matches.
1216 2001-01-24 Richard Henderson <rth@redhat.com>
1218 * reload.c (find_reloads_subreg_address): Fail the substitution
1219 if the resulting address is insufficiently aligned.
1221 2001-01-24 DJ Delorie <dj@redhat.com>
1223 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1224 check the original operand's mode also.
1225 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1227 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1229 * c-parse.in (cast_expr): Move compound literals from here ...
1230 (primary): ... to here. Use standard terminology "compound
1231 literal" instead of "constructor expression".
1233 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1235 * gcc.1, cpp.1: Regenerate.
1237 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1239 * calls.c (emit_library_call_value_1): Memory slot for
1240 pass-by-reference argument should have the mode of the argument,
1241 not of the pointer to it.
1243 2001-01-24 Tom Tromey <tromey@redhat.com>
1245 * gcc.texi (G++ and GCC): Mention gcj manual.
1246 (Standards): Link to section of manual mentioning gcj/Java
1249 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1251 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1252 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1253 * tradcpp.c (main): Add -imacros or -include'd dependencies
1255 * cpp.texi (-M, -MM): Document -M -include behaviour.
1257 2001-01-24 Roger Collins <roger@ProProject.com>
1259 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1261 2001-01-24 Will Cohen <wcohen@redhat.com>
1263 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1264 whether registers are 32 bits or 64 bits in size.
1266 2001-01-24 Ben Elliston <bje@redhat.com>
1268 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1270 2001-01-24 Richard Henderson <rth@redhat.com>
1272 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1273 (builtin_longjmp): Use it instead of emit_indirect_jump.
1275 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1277 * bb-reorder.c (make_reorder_chain_1): Handle case where
1278 jump edge goes to the same block as the fallthru edge.
1280 2001-01-23 Jim Wilson <wilson@redhat.com>
1282 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1283 * frame.h (__ia64_personality_v1): Add prototype.
1284 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1285 prototype form. Add void * cast to first argument to personality
1287 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1288 (asctoe113): Likewise.
1289 * config/ia64/frame-ia64.c: Include eh-common.h.
1290 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1292 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1294 (itanium_split_issue): Add prototype.
1295 (gen_nop_type): Ifdef out.
1296 (find_best_packet): Initialize best_packet.
1297 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1299 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1300 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1301 (flushrs): Add explicit stop bit at end.
1302 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1305 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1307 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1309 * libgcc2.c (__terminate_func): Make variable static.
1310 (__terminate_set_func): New function to set __terminate_func.
1311 * libgcc2.h (__terminate_func_ptr): New typedef.
1312 (__terminate_set_func): New function.
1314 2001-01-23 Richard Henderson <rth@redhat.com>
1316 * flow.c (init_propagate_block_info): Don't consider unchanging
1317 memories for dead frame store elimination.
1319 2001-01-23 Richard Henderson <rth@redhat.com>
1321 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1322 * defaults.h: ... here.
1324 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1326 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1328 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1330 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1332 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1334 * rs6000.h (rs6000_return_addr): Move prototype from here...
1335 * rs6000-protos.h (rs6000_return_addr): ...to here.
1336 (rs6000_init_expanders): Delete prototype.
1338 2001-01-23 Nick Clifton <nickc@redhat.com>
1340 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1341 (Spec Files): Document %B and %j and %. and %v3 and %M and
1342 %{S*&T} spec switches.
1344 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1346 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1348 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1349 Neil Booth <neil@daikokuya.demon.co.uk>
1351 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1352 Have -Werror make pedantic warnings errors, like the
1355 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1357 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1359 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1361 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1362 * integrate.c (expand_inline_function): Initialize them.
1363 (subst_constants): If changing COMPARE so that both its arguments
1364 will be VOIDmode and the comparison mode will be lost, note
1365 compare_mode. Use the recorded compare_mode to optimize
1368 2001-01-23 Jason Merrill <jason@redhat.com>
1370 * dwarf2out.c (new_die): Use xcalloc.
1371 (output_die): Abort rather than emit a local reference to offset 0.
1373 2001-01-17 Andrew Haley <aph@redhat.com>
1375 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1376 of a saved register; return NULL instead.
1377 (copy_reg): Take a pointer to a source register rather than a
1379 (next_stack_level): Remember the address in the stack frame of all
1381 Use the saved register pointer array as the source of the CFA.
1382 (throw_helper): Rewrite. Unwind once rather than twice and keep
1383 track of saved registers as we go.
1385 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1387 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1388 * c4x.c (c4x_legitimize_reload_address): Remove.
1389 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1390 reload address for ldp(k) insn.
1392 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1394 * pa.md (return_internal): Add a USE of the PIC register to ensure
1395 it is restored after each call.
1396 (return expander): Corresponding changes.
1398 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1400 * rs6000.h (INIT_EXPANDERS): Delete.
1401 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1402 * rs6000.c (rs6000_override_options): Call *_machine_status from
1404 (rs6000_init_expanders): ...instead of here. Delete.
1405 (rs6000_mark_machine_status): New function.
1406 (rs6000_init_machine_status): Use xcalloc.
1407 (rs6000_return_addr): Generate RTX for the return address.
1408 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1409 (rs6000_stack_info): Use it.
1411 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1413 * gthr-win32.h: Include errno.h to get a declaration for
1414 EINVAL and _mingw.h if the target is mingw32.
1416 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1418 * cpp.texi: Correct typos.
1420 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1422 * explow.c (probe_stack_range): Ensure value passed to
1423 stack_check_libfunc is ptr_mode, not Pmode.
1425 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1427 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1428 case, don't use operand_subword to calculate a SUBREG that is
1431 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1433 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1435 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1436 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1437 valid. If not replace it by equivalent insns.
1439 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1441 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1442 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1443 (c4x_U_constraint, symbolic_address_operand): Likewise.
1444 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1446 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1447 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1448 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1449 anulling slot because of silicon bug.
1450 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1452 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1454 * cppexp.c (parse_charconst): Change `mask' type to agree
1457 2001-01-21 Richard Henderson <rth@redhat.com>
1459 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1460 pic_label_name in a linkonce section.
1462 2001-01-17 Philipp Thomas <pthomas@suse.de>
1464 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1466 * configure: Regenerate.
1468 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1470 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1471 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1473 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1475 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1476 If REVERSE nonzero then condition code in X must be reversed.
1477 (encode_section_info): Optimise if/else.
1478 (avr_function_value): Fix formatting.
1480 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1481 (difficult_branch): Likewise.
1482 (rvbranch): Likewise.
1483 (difficult_rvbranch): Likewise.
1485 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1487 * config/avr/libgcc.S: Fix comment.
1489 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1491 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1493 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1495 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1497 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1499 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1500 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1501 * configure, config.in: Regenerate.
1502 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1503 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1504 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1505 (doprint.o): New rule.
1507 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1509 * c-typeck.c (digest_init): Handle boolean types as scalars.
1511 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1513 * stmt.c (expand_return): Don't return anything if size is zero.
1514 Delete redundant assignment to BYTES.
1515 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1517 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1519 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1520 the same as the default library function names.
1521 * config/avr/avr.md: Document special characters after '%'.
1522 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1523 knowing which of the call-used registers are really clobbered.
1524 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1525 New. Both quotient and remainder from one libgcc.S call.
1526 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1527 clobber as few registers as possible.
1528 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1530 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1532 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1533 context of the top of the stack.
1535 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1537 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1538 (fixup_var_refs_insns): ...here.
1540 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1542 * function.c (fixup_var_refs_insns): Break up into
1543 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1544 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1545 [loop over hash table entries].
1546 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1547 fixup_var_refs_insns_with_hash, to match above changes.
1549 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1551 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1552 (libgcc.a): Likewise.
1553 (stmp-multilib): Likewise.
1554 (STAGE2_FLAGS_TO_PASS): Likewise.
1556 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1558 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1559 temporary if no_new_pseudos.
1561 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1563 * cppinternals.texi: Update.
1565 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1567 * arm.c (arm_init_builtins): Re-enable builtins.
1569 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1571 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1572 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1573 element to be null, and always expect an EXPR_LIST.
1574 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1575 * sched-deps.c (sched_analyze_1): Likewise.
1576 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1578 * regclass.c (max_set_parallel): New variable.
1579 (reg_scan): Take it into account in computation of max_parallel.
1580 (reg_scan_mark_refs, case SET): Compute it.
1582 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1584 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1585 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1587 2001-01-19 Jason Merrill <jason@redhat.com>
1589 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1590 for the abstract instance of an inline function.
1592 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1593 J"orn Rennecke <amylaar@redhat.com>
1595 * reload1.c (move2add_note_store): Treat all registers directly or
1596 indirectly derived from a base register as members of the same set
1598 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1599 of base register into account.
1601 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1603 * alias.c (find_base_value): Recognize TRUNCATE.
1604 (record_set): In PLUS case, invalidate if other summand is also a
1607 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1609 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1610 entry to be EXPR_LIST.
1611 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1612 be an EXPR_LIST (but not null, which other code doesn't allow).
1613 (note_stores): Properly handle PARALLEL in SET.
1614 Recursively call for top-level PARALLEL.
1615 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1616 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1618 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1620 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1622 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1623 not pfile->skipping (== 0).
1625 2001-01-17 Nick Clifton <nickc@redhat.com>
1627 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1630 2001-01-17 Jim Wilson <wilson@redhat.com>
1632 * invoke.texi (IA-64 options): Improve.
1634 2001-01-17 Tom Tromey <tromey@redhat.com>
1636 * invoke.texi (Optimize Options): Use `{}' to around @samp
1639 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1641 * invoke.texi (-fno-guess-branch-probability): New option.
1643 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1645 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1646 case of making new double-word constant.
1647 Revert last change: instead just test i3_subst_into_i2.
1649 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1651 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1652 Use q constraints instead of r.
1654 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1656 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1657 (machine_function): Define.
1658 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1659 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1660 pa_free_machine_status): New functions.
1661 (override_options): Set {init,mark,free}_machine_status to above.
1662 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1663 PIC_OFFSET_TABLE_REGNUM_SAVED.
1664 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1665 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1666 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1667 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1668 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1670 2001-01-15 DJ Delorie <dj@redhat.com>
1672 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1676 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1678 * flow.c (propagate_on_insn): Make trying to delete a prologue
1679 or epilogue insn an ICE, not a warning. Allow doing this if
1680 the current function returns with stack pointer depressed.
1682 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1683 I3 having more than one SET.
1685 2001-01-16 Jim Wilson <wilson@redhat.com>
1687 * invoke.texi: Document IA-64 options.
1689 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1690 (fixup_errata): Delete TARGET_A_STEP use.
1691 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1692 (TARGET_SWITCHES): Delete -ma-step option.
1693 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1694 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1695 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1696 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1697 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1698 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1700 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1701 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1702 cmovsi_internal): Delete ! TARGET_A_STEP check.
1704 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1706 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1707 possibility to report bugs via postal mail. Change a URL and
1708 merge in a nearly duplicate statement...
1709 (Bug Reporting): ...from here.
1710 (Service): Refer to the Bug Reporting section instead of
1712 (Contributing): Remove trivial explanations concerning snapshots.
1714 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1716 * cppmain.c (general_init): Don't use ANSI prototype.
1718 2001-01-16 Tom Tromey <tromey@redhat.com>
1720 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1722 2001-01-16 Richard Henderson <rth@redhat.com>
1724 * config/i386/i386.h: Fix comment typo.
1725 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1726 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1728 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1730 * gcc.c: Revert previous -fsyntax-only-related change; move
1733 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1735 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1736 inmode after checking GET_CODE (op).
1738 2001-01-16 Richard Henderson <rth@redhat.com>
1740 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1741 (MAX_MEM_SET_LIST_LEN): New.
1742 (propagate_one_insn): Update mem_set_list_len.
1743 (invalidate_mems_from_autoinc): Likewise.
1744 (invalidate_mems_from_set): Likewise.
1745 (mark_used_regs): Likewise.
1746 (init_propagate_block_info): Likewise. Stop collecting memories
1747 when we reach MAX_MEM_SET_LIST_LEN.
1748 (mark_set_1): Likewise.
1750 2001-01-16 Richard Henderson <rth@redhat.com>
1752 * unroll.c (precondition_loop_p): Fail if no iteration
1755 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1757 * gcc.c: When -fsyntax-only is given, do not complain about
1760 2001-01-15 Richard Henderson <rth@redhat.com>
1762 * config/i386/i386.c (asm_output_function_prefix): Remove.
1763 (ix86_asm_file_end): New.
1764 (load_pic_register): Generate pic_label_name into a
1765 staticly allocated buffer.
1766 * config/i386/i386-protos.h: Update.
1767 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1768 (ASM_FILE_END): New.
1769 * config/i386/i386afe.h: New file.
1770 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1771 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1772 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1773 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1774 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1775 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1776 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1778 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1780 * Makefile.in (install-man): Remove explicit dependency on
1783 * configure.in, configure: Revert previous patch requiring perl
1786 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1788 * toplev.c (flag_guess_branch_prob): New.
1789 (f_options): Add guess-branch-probability option.
1790 (rest_of_decl_compilation): Only estimate branch probability if
1792 (main): set flag_guess_branch_prob.
1794 * flags.h (flag_guess_branch_prob): New.
1796 2001-01-15 DJ Delorie <dj@redhat.com>
1798 * gcc.texi (Makefile): Add documentation for Makefile targets.
1800 2001-01-15 Philip Blundell <philb@gnu.org>
1802 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1804 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1805 (is_pic): Delete declaration.
1806 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1807 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1808 * config/arm/arm.md (builtin_setjmp_receiver): New.
1810 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1812 * arm.c (use_return_insn): Don't try to determine the function type
1813 until after reload has completed.
1814 (arm_output_epilogue): Don't adjust the sp value recovered from the
1816 (emit_multi_reg_push): Don't record dwarf information for the pc.
1817 * arm.md (eh_epilogue): The function type may have changed, so it
1818 needs to be recalculated.
1819 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1820 unwind tables on arm/netbsd.
1822 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1824 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1825 (negated_cbranchsi4): Likewise.
1827 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1829 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1830 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1831 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1832 pass -mapcs-* options to assembler.
1833 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1834 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1835 (ASM_SPEC): Call subtarget_extra_asm_spec.
1837 2001-01-15 Andreas Jaeger <aj@suse.de>
1839 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1841 (ix86_expand_builtin): Likewise.
1843 * gencodes.c (output_predicate_decls): Make i size_t to avoid
1844 warning about comparison between signed and unsigned.
1846 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1848 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1850 2001-01-14 Ralf Baechle <ralf@gnu.org>
1852 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
1853 SUBTARGET_CPP_SPEC apropriatly.
1855 2001-01-12 Mark Mitchell <mark@codesourcery.com>
1857 * varasm.c (make_decl_rtl): Fix typo in last change.
1859 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
1861 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1862 linker supports the init_priority C++ attribute.
1863 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1864 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1865 linker does not support init_priority C++ attribute.
1867 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
1869 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1871 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1873 * c-parse.in (finish_parse): Add comment about cpp_destroy.
1874 * cp/lex.c (finish_parse): Similarly.
1875 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1876 Return the number of errors encountered.
1877 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1878 * cppmain.c (main): Don't call cpp_destroy.
1880 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
1882 * configure.in: Require at least perl 5.6.0 to regenerate
1884 * configure: Regenerate.
1886 2001-01-14 Richard Henderson <rth@redhat.com>
1888 * genrecog.c (DT_veclen_ge): New.
1889 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1890 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1891 (nodes_identical_1): Handle DT_veclen_ge.
1892 (write_cond, debug_decision_2): Likewise.
1894 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1896 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
1898 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1900 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1902 * cppmain.c (do_preprocessing): New function; most of the old
1904 (main): Call it to do most of the work.
1905 (cb): Move from global scope to set_callbacks ().
1906 (setup_callbacks): Get the callback pointer.
1907 (general_init, printer_init): Clean up code and comments.
1909 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1911 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1914 2001-01-14 Kazu Hirata <kazu@hxi.com>
1916 * config/h8300/h8300.c (get_shift_alg): Update comments.
1918 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1920 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1921 (alloc_page, ggc_alloc): Add casts to remove warnings.
1923 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1925 * combine.c (simplify_comparison): Don't change `code' when
1926 can't reverse comparison.
1928 2001-01-14 Richard Henderson <rth@redhat.com>
1930 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1931 update all call sites. Return true for all non-label constants.
1933 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1935 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1937 (ix86_expand_branch): Update.
1938 (ix86_expand_setcc): Update to handle multiple test conditions.
1939 (expand_int_movcc): Likewise.
1940 (expand_fp_movcc): Likewise.
1941 * i386-protos.h (ix86_expand_compare): New.
1942 * i386.md (andqi_?_slp, orqi_?_slp): New.
1943 (conditional trap expander): Update call to ix86_expand_compare.
1945 2001-01-14 Richard Henderson <rth@redhat.com>
1947 * config/vax/vax.md: Use nonimmediate_operand instead of
1948 general_operand in destinations.
1950 * config/vax/vax.md (indirect_jump): Use register_operand.
1952 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1953 * config/vax/vax.md (call_pop): Turn into an expander.
1954 (call_value_pop): Likewise.
1955 (call, call_value): New.
1957 2001-01-14 Andreas Jaeger <aj@suse.de>
1959 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1961 (ix86_fp_compare_mode): Add unused attribute.
1962 (ix86_expand_fp_movcc): Remove unused variable.
1963 (ix86_expand_builtin): Make fcode unsigned.
1965 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1966 (expand_expr): Add cast to avoid signed warning.
1967 (store_field): Likewise.
1968 (store_constructor_field): Likewise.
1969 (store_constructor): Likewise.
1970 (store_expr): Likewise.
1971 (clear_storage): Likewise.
1972 (emit_group_store): Likewise.
1973 (emit_group_load): Likewise.
1975 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1977 * c-common.c: Move format checking code to ...
1978 * c-format.c: ... here. New file. Reorder some functions and
1980 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1982 * c-common.h (decl_handle_format_attribute,
1983 decl_handle_format_arg_attribute): Declare.
1984 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1985 (c-common.o): Adjust dependencies.
1986 (c-format.o): New list of dependencies.
1988 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1990 * unroll.c (loop_iterations): If we cannot prove iteration variable
1991 is set once in each iteration, punt.
1993 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1995 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1996 (*strlenhi): Remove clobber (which was buggy) of output address.
1998 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2000 * Makefile.in (generated-manpages): Add gcc.1
2001 ($(srcdir)/gcc.1): New target.
2002 (maintainer-clean): Delete $(srcdir)/gcc.1.
2003 * gcc.texi: Add macros @gccoptlist and @gol.
2004 * invoke.texi: Include option summary in manpage. Mark up option
2005 summary with @gccoptlist and @gol. Use @r in one place where
2007 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2008 * gcc.1: Generate from invoke.texi.
2010 2001-01-13 Richard Henderson <rth@redhat.com>
2012 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2013 (struct page_entry): Add group member.
2014 (struct page_group): New.
2015 (struct globals): Add page_groups member.
2016 (alloc_anon): Only define for using mmap; remove valloc call.
2017 (page_group_index): New.
2018 (set_page_group_in_use): New.
2019 (clear_page_group_in_use): New.
2020 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2021 (free_page, release_pages): Likewise.
2022 * configure.in (with-gc): Default to ggc-page always.
2024 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2026 * reload1.c (replace_pseudos_in_call_usage): Use
2027 reg_equiv_constant and reg_equiv_address, and don't try
2028 regno_reg_rtx first.
2030 2001-01-13 Richard Henderson <rth@redhat.com>
2032 * ggc-page.c (alloc_page): Round up allocation size to one page.
2033 Set e->order on extra pages.
2035 2001-01-13 Richard Henderson <rth@redhat.com>
2037 * genrecog.c (nodes_identical): Expand commentary.
2038 (write_switch): Watch out for identical nodes.
2040 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2042 * cppfiles.c (_cpp_fake_include): New function.
2043 * cpphash.h (_cpp_fake_include): New.
2044 * cpplib.c (do_line): Call _cpp_fake_include when entering
2045 header files in preprocessed input.
2046 * cppmain.c (cb_pragma_implementation): Remove handling.
2047 (setup_callbacks): Don't register pragmas.
2049 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2051 * extend.texi: Udate for CPP.
2053 2001-01-13 Andreas Jaeger <aj@suse.de>
2055 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2057 * regmove.c: Add prototype for replace_in_call_usage.
2059 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2061 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2062 struct cpp_chunk, struct htab, struct toklist,
2063 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2064 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2065 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2066 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2067 (struct macro_args): Delete.
2068 * cpphash.h: See above.
2070 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2072 * cppmain.c (struct printer): Remove no_line_dirs.
2074 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2075 : Use options rather than CPP_OPTION.
2076 (setup_callbacks): Use cb rather than pfile->cb.
2077 (main): No need to check for a buffer. Use cpp_errors.
2078 (printer_init): Don't set no_line_dirs.
2079 (maybe_print_line): Use options not no_line_dirs.
2080 (cb_file_change): Don't call print_line if -P.
2082 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2084 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2086 * c-parse.in (finish_parse): Use cpp_errors.
2087 (__yylex): Use return value of cpp_pop_buffer.
2088 * cp/lex.c (finish_parse): Use cpp_errors.
2089 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2091 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2093 * README.AVR: URLs corrected.
2095 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2097 * c-decl.c (start_function): Don't warn if old prototype is builtin
2098 that's not in C's namespace.
2099 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2100 (_bb): Add prototype for ctime.
2101 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2103 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2105 * i386.c (ix86_fp_comparison_arithmetics_cost,
2106 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2107 ix86_fp_comparison_cost): New functions.
2108 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2109 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2110 two-branch sequences; make static.
2111 (ix86_use_fcomi_compare): Do decision according to the costs.
2112 (split_fp_branch): New.
2113 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2114 * i386-protos.h (ix86_expand_fp_compare): Remove
2115 (ix86_split_fp_branch): Declare.
2117 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2118 and ix86_comparison_operator.
2120 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2123 * i386.c (put_condition_code): Output properly the unordered/ordered
2124 compares in fp case.
2125 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2127 * tm.texi (REVERSE_CONDITION): Document.
2128 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2129 in -ffast-math mode.
2130 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2132 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2134 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2136 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2139 * config/sh/sh.c (mova_p): Fix test for mova_const.
2141 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2143 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2144 cpp_get_options rather than dereferencing pfile and using
2146 * scan-decls.c (scan_decls): Use return value of
2147 cpp_pop_buffer rather than CPP_BUFFER.
2149 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2151 * cppinit.c (cpp_handle_option): help_only is now part of the
2152 cpp_options structure.
2153 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2154 cpp_set_callbacks): New functions.
2155 * cpplib.h (cpp_callbacks): Break out as a named structure.
2156 (cpp_options): Move help_only here from cpp_reader.
2157 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2158 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2159 cpp_set_callbacks): New prototypes.
2160 * cppmain.c (main): Update for help_only.
2162 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2164 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2165 Also build and remove and install and uninstall c-tree.info and
2167 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2168 ($(srcdir)/cppinternals.info): New target.
2169 * c-tree.texi: Change file name used when makeinfo used without -o
2170 from ir.info to c-tree.info. Add info directory entry.
2171 * cppinternals.texi: Add info directory entry.
2172 * .cvsignore: Update.
2174 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2176 * c-typeck.c (store_init_value): Don't require constant initializer
2177 elements with -pedantic -std=c99.
2178 (digest_init): Change error about non-constant initializer elements
2180 (constructor_range_end): Remove.
2181 (constructor_incremental, designator_depth,
2182 designator_errorneous): New variables.
2183 (struct constructor_stack): Remove range_end, add incremental.
2184 (struct constructor_range_stack, constructor_range_stack): New.
2185 (struct initializer_stack): Add constructor_range_stack.
2186 (finish_init): Set it.
2187 (start_init): Likewise. require_constant_elements for non-static
2188 trees only if not flag_isoc99.
2189 (really_start_incremental_init): Remove constructor_range_end, add
2190 constructor_incremental.
2191 (pop_init_level): Likewise.
2192 (push_init_level): Likewise. If implicit and the subobject had some
2193 value set already, preinitialize the level with it.
2194 Warn about missing braces only if not pushing due to designators.
2195 (set_designator, push_range_stack): New functions.
2196 (set_init_label): Use them.
2197 (set_init_index): Likewise. Remove constructor_range_end.
2198 Error if designator index is outside of array bounds.
2199 (add_pending_init): Compare values of purpose index trees, not the
2200 trees themselves. Allow overwriting of already initialized element.
2201 Issue a warning if it had side-effects.
2202 (set_nonincremental_init, set_nonincremental_init_from_string): New
2204 (pending_init_member): Rename to...
2205 (find_init_member): ...this function. Call set_nonincremental_init
2206 if necessary. Compare values of purpose index trees, not the trees
2207 themselves. Return the actual value, not just non-zero if something
2209 (output_init_element): Remove checks for duplicates.
2210 If field has zero size, only check the initializer for correctness.
2211 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2212 if constructor_incremental is zero. Change error about initializers
2213 not computable at load time into pedwarn.
2214 (output_pending_init_elements): Compare bit positions, not
2215 FIELD_DECLs to take into account zero-sized fields.
2216 (process_init_element): Use constructor_range_stack to fill all
2217 ranges in the designator lists from current level up.
2218 * extend.texi: Update documentation for labeled elements.
2220 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2222 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2223 to function usage for arguments passed by reference. Optimize
2224 callee-copied arguments.
2225 * regmove.c (replace_in_call_usage): New function.
2226 (fixup_match_1): Call it.
2227 * cse.c (cse_insn): Canonicalize registers in function usage.
2228 * reload1.c (replace_pseudos_in_call_usage): New function.
2231 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2234 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2236 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2239 2001-01-12 DJ Delorie <dj@redhat.com>
2241 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2242 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2245 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2247 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2248 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2249 -std options alongside references to -ansi. Update some
2250 documentation for C99.
2251 * cpp.1: Regenerate.
2253 2001-01-12 Andreas Jaeger <aj@suse.de>
2255 * haifa-sched.c (restore_line_notes): Remove argument block B
2257 * sched-ebb.c (schedule_ebb): Change caller.
2258 * sched-rgn.c (schedule_region): Likewise.
2259 * sched-int.h (restore_line_notes): Adjust prototype.
2261 * loop.h: Remove wrong declaration of doloop_condition_get.
2263 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2265 * extend.texi: Move C++-extension-related node from the C section
2266 into the C++ section.
2268 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2270 * extend.texi: Refer to an array of pointers to functions instead
2271 of one of functions.
2273 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2274 Jan Hubicka <jh@suse.cz>
2276 * combine.c (reversed_comparison): Fix typo in last patch.
2278 (combine_reversed_comparison_code): Make static to follow
2279 prototype declaration.
2281 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2283 * install.texi: Remove misplaced duplicate entry.
2285 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2287 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2289 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2291 * final.c: (leaf_function_p): Fix typo.
2293 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2295 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2296 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2298 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2299 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2300 mmap_anon, and valloc is available.
2301 * ggc-page.c: Restructure ifdef logic to match new autoconf
2302 spec. Don't throw away the test page in init_ggc.
2304 * configure, config.in: Regenerate.
2306 2001-01-12 Michael Hayes <mhayes@redhat.com>
2308 * loop.h (total_biv_increment): Constify iv_class pointer.
2309 (struct induction): Replace `mem_mode' with `mem' rtx.
2310 * unroll.c (total_biv_increment): Constify iv_class pointer.
2311 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2312 (find_mem_givs, combine_givs_p): Likewise.
2313 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2315 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2317 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2319 (__gthread_getspecific): Ditto.
2321 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2323 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2324 put_condition_code): Convert fp comparison codes to integer
2326 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2329 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2330 * i386-protos.h (no_comparison_operator): Kill.
2332 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2334 * combine.c (REVERSIBLE_CC_MODE): Remove.
2335 (reversible_comparison_p): Remove.
2336 (combine_reversed_comparison_code): New.
2337 (reversed_comparison): New.
2338 (combine_simplify_rtx): Use
2339 combine_reversed_comparison_code/reversed_comparison instead
2340 of reversible_comparison_p.
2341 (simplify_if_then_else): Likewise.
2342 (simplify_set): Likewise.
2343 (simplify_logical): Likewise.
2344 (if_then_else_cond): Likewise.
2345 (known_cond): Likewise.
2346 (simplify_comparison): Likewise.
2348 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2350 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2351 sizeof (int) is larger than sizeof(__word__).
2353 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2355 * cppinit.c (do_includes): Fix typo.
2357 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2359 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2360 in S_REGS does not occur because not all sources are possible
2361 when a S_REGS is a destination (sometimes needs a clobber).
2362 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2363 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2364 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2365 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2366 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2367 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2368 (lshrdi_const1, lshrsi3_const16): Likewise.
2369 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2370 (*movhi_68hc12, *movqi_68hc12): Likewise.
2371 (movstrictqi): Make sure reloading in D_REGS as a destination
2374 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2376 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2378 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2380 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2381 -D, -U and -A, and don't initialize the builtins.
2382 (do_includes): Error if -include or -imacros with -fpreprocessed.
2383 * cppmain.c (cb_define, cb_undef): Unconditionally process
2385 * tradcpp.c (main): Fix typo.
2387 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2389 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2390 (read_name_map): Use IS_ABSOLUTE_PATH.
2391 * tradcpp.c (get_filename): Likewise.
2393 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2395 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2396 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2397 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2398 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2399 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2400 (cmphi_z_used): Don't use '@' for the output.
2401 (tstqi_z_used): Likewise.
2402 (cmpqi_z_used): Likewise.
2403 (one_cmplsi2): Likewise.
2405 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2407 * config/sh/sh.c (barrier_align): Recognize branch around far
2408 branch and redundant insn.
2410 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2412 * invoke.texi: Restore documentation of the drivers' switches -MD
2415 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2417 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2419 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2420 check-objc//%): Support parallel testing of multilibs.
2421 (TESTSUITEDIR): Set to testsuite by default, but override for
2423 (check-gcc, check-g++, check-g77, check-objc): Enter
2426 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2428 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2429 * sched-deps.c (deps_may_trap_p): Likewise.
2430 * basic-block.h: Remove a comment.
2431 * flow.c (PROP_POSTRELOAD): Remove.
2432 (update_life_info): Don't add it to prop_flags.
2433 (mark_set_1): Lose the code that was enabled by it.
2435 2001-01-11 Michael Hayes <mhayes@redhat.com>
2437 * flow.c (flow_call_edges_add): New.
2438 * basic_block.h (flow_call_edges_add): New.
2440 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2442 * reload1.c (move2add_note_store): Update reg_set_luid even if
2443 base reg remains the same.
2445 2001-01-10 Nick Clifton <nickc@redhat.com>
2447 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2448 machine_function structure to zero.
2449 Add prototypes for machine_status functions.
2451 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2453 * c-common.h (CTI_VOID_LIST): Remove.
2454 (void_list_node): Likewise.
2455 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2456 (void_list_node): New macro.
2457 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2458 * config/i386/i386.c (ix86_init_builtins): Likewise.
2459 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2461 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2463 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2464 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2466 * tradcpp.c: Include mkdeps.h.
2467 (deps, print_deps_phony_targets, deps_append, output_deps,
2468 init_dependency_output, output_deps): New.
2469 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2470 deps_output): Delete.
2471 (print_deps_missing_files): Rename deps_missing_files.
2472 (inhibit_output): Make global.
2473 (main): Delete inhibit_output, deps_stream, deps_target.
2474 Use mkdeps functionality in the same way as cpplib. Remove
2475 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2476 -M and -MM. Remove old handling of deps via deps_out, and
2477 old reading of environment variables.
2478 (get_filename): Update to use deps_add_dep.
2480 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2482 * output.h (make_function_rtl): Remove prototype.
2483 (make_decl_rtl): Likewise.
2484 * varasm.c (make_function_rtl): Remove.
2485 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2486 than from a third parameter.
2487 * tree.h (make_decl_rtl): Remove last parameter.
2488 * c-decl.c (builtin_function): Remove last argument in call to
2489 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2490 (start_function): Likewise.
2491 * except.c (call_get_eh_context): Likewise.
2492 * expr.c (emit_block_move): Likewise.
2493 (clear_storage): Likewise.
2494 * profile.c (output_func_start_profiler): Likewise.
2495 * toplev.c (rest_of_decl_compilation): Likewise.
2496 * objc/objc-act.c (create_builtin_decl): Likewise.
2497 (synth_module_prologue): Likewise.
2498 (generate_static_reference): Likewise.
2499 (build_selector_reference_decl): Likewise.
2500 (build_class_reference_decl): Likewise.
2501 (build_objc_string_decl): Likewise.
2502 (build_protocol_reference): Likewise.
2504 2001-01-10 Richard Henderson <rth@redhat.com>
2506 * hwint.h: Revert yesterday's change.
2508 2001-01-10 Nick Clifton <nickc@redhat.com>
2510 * function.h (save_machine_status): Delete.
2511 (restore_machine_status): Delete.
2512 Amend comment describing {init|mark|free}_machine_status.
2514 * function.c (save_machine_status): Delete.
2515 (restore_machine_status): Delete.
2516 Amend comment describing {init|mark|free}_machine_status.
2517 (push_function_context_to): Remove invocation of
2518 save_machine_status.
2519 (pop_function_context_from): Remove invocation of
2520 restore_machine_status.
2522 * emit-rtl.c (init_emit_once): Amend comment describing
2523 {init|mark|free}_machine_status.
2525 * tm.texi (Per-Function Data): New node. Describe the
2526 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2529 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2531 * cppinit.c (OPT_g): Remove.
2532 (cpp_handle_option): Update for removed -g3.
2533 (print_help): Update.
2534 * cpplib.h (struct cpp_options): Remove debug_output.
2535 * cppmain.c (setup_callbacks, cb_define): Update.
2536 * gcc.c (cpp_options): Translate -g3 to -dD.
2538 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2540 * config/i960/i960.md: Change modifier to + on the zero_extract
2541 pattern after the (rotate -2 reg) canonicalization pattern.
2543 2001-01-10 Richard Henderson <rth@redhat.com>
2545 * config/alpha/alpha.c (alpha_free_machine_status): New.
2546 (override_options): Install it.
2547 (alpha_mark_machine_status): Verify machine non-null.
2548 * config/i386/i386.c (ix86_free_machine_status): New.
2549 (override_options): Install it.
2550 (ix86_init_machine_status): Use xcalloc.
2551 (ix86_mark_machine_status): Verify machine non-null.
2552 * config/ia64/ia64.c (ia64_free_machine_status): New.
2553 (ia64_override_options): Install it.
2554 (ia64_mark_machine_status): Verify machine non-null.
2556 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2558 * function.c (instantiate_virtual_regs): Instantiate virtual
2559 registers found in CALL_INSN_FUNCTION_USAGE.
2561 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2563 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2564 equivalent to -ansi in disabling -Di386.
2566 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2568 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2570 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2572 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2574 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2576 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2578 * invoke.texi: Document that -fcond-mismatch isn't supported for
2581 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2583 * gcc.texi: Define macro gcctabopt.
2584 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2585 @command, @env and @option in some places where appropriate. Use
2586 @gcctabopt where appropriate. Put URLs and email addresses inside
2589 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2591 * gcc.c (cpp_options): Set MD file name from output
2592 filename, if specified.
2593 (suffix_subst): New static variable.
2594 (do_spec): Clear it.
2595 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2597 (give_switch): Handle suffix_subst.
2599 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2601 * invoke.texi: Fix another typo.
2603 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2605 * invoke.texi: Fix typo.
2607 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2609 * c-lang.c (lang_hooks): Update.
2610 (lang_decode_option): Remove.
2611 (lang_init_options): Rename c_init_options.
2612 * toplev.c (main): Use lang_hooks for lang_init_options
2613 and lang_decode_option.
2614 * toplev.h (lang_hooks): Add 2 new hooks.
2615 * tree.h: Remove lang_init_options and lang_decode_option.
2616 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2617 * cp/decl2.c: Similarly.
2618 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2619 (lang_hooks): Update.
2620 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2622 (lang_init_options): Rename ffe_init_options.
2623 (lang_hooks): Update.
2624 (lang_decode_option): Remove.
2625 * java/lang.c (lang_init_options): Rename java_init_options.
2626 (lang_decode_option): Rename java_decode_option.
2627 (lang_hooks): Update.
2628 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2629 (lang_decode_option): Rename objc_decode_option.
2630 (lang_hooks): Update.
2632 2001-01-09 Nick Clifton <nickc@redhat.com>
2634 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2635 (d30v_return_addr_rtx): Delete.
2636 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2637 cfun->machine structure.
2638 (struct machine_function): Move to d30v.h
2639 (d30v_save_machine_status): Delete.
2640 (d30v_restore_machine_status): Delete.
2641 (d30v_init_machine_status): New Function.
2642 (d30v_mark_machine_status): New Function.
2643 (d30v_free_machine_status): New Function.
2644 (d30v_init_expanders): Use new functions.
2645 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2646 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2647 d30v_return_addr_rtx.
2649 * config/d30v/d30v.h (struct_machine): Move here.
2650 Add eh_epilogue_sp_ofs field.
2652 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2653 field in cfun->machine structure.
2655 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2657 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2658 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2659 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2661 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2663 * objc/lang-options.h: Remove bogus reference to
2666 2001-01-09 Kazu Hirata <kazu@hxi.com>
2668 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2671 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2673 * reload.c (find_reloads_address): Check for eliminable registers
2674 when substituting a constant expression for a pseudo.
2676 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2678 * c-common.c (enum format_type): Add format_type_error.
2679 (decode_format_type): New function.
2680 (decl_attributes): Use it.
2681 (format_kind_info): Adjust comment.
2683 2001-01-09 David O'Brien <obrien@BSDi.com>
2685 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2686 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2688 * config/i386/gnu.h: Don't include required platform specific .h files,
2689 tm.h will do it instead.
2690 * config/i386/i386elf.h: Likewise.
2691 * config/i386/linux.h: Likewise.
2692 * config/i386/moss.h: Likewise.
2693 * config/mips/gnu.h: Likewise.
2695 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2697 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2698 (rs6000-ibm-aix3.[01]*): Likewise.
2699 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2700 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2701 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2702 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2703 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2704 (powerpc-*-eabiaix*): Likewise.
2705 (powerpc-*-eabisim*): Likewise.
2706 (powerpc-*-elf*): Likewise.
2707 (powerpc-*-eabi*): Likewise.
2708 (powerpc-*-rtems*): Likewise.
2709 (powerpc-*-linux*libc1): Likewise.
2710 (powerpc-*-linux*): Likewise.
2711 (powerpc-wrs-vxworks*): Likewise.
2712 (powerpcle-wrs-vxworks*): Likewise.
2713 (powerpcle-*-sysv*): Likewise.
2714 (powerpcle-*-elf*): Likewise.
2715 (powerpcle-*-eabisim*): Likewise.
2716 (powerpcle-*-eabi*): Likewise.
2717 (powerpcle-*-solaris2*): Likewise.
2718 * config/rs6000/aix31.h: Delete includes.
2719 * config/rs6000/aix3newas.h: Likewise.
2720 * config/rs6000/aix41.h: Likewise.
2721 * config/rs6000/aix43.h: Likewise.
2722 * config/rs6000/beos.h: Likewise.
2723 * config/rs6000/rtems.h: Likewise.
2724 * config/rs6000/sysv4.h: Likewise.
2726 2001-01-09 Kazu Hirata <kazu@hxi.com>
2728 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2729 Change an argument mode of machine_mode to shift_mode of
2730 shift_mode. Remove an extra error check.
2731 (emit_a_shift): Adopt to the new calling prototype of
2733 (function_prologue): Fix code for a monitor
2734 function. Support H8/S.
2735 (function_epilogue): Do not output pop for a monitor function.
2737 2001-01-09 Nick Clifton <nickc@redhat.com>
2739 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2740 (setup_incoming_varargs): Use sysv_varargs_p field of the
2741 cfun->machine structure.
2742 (struct machine_function): Move to rs6000.h
2743 (rs6000_save_machine_status): Delete.
2744 (rs6000_restore_machine_status): Delete.
2745 (rs6000_init_machine_status): New Function.
2746 (rs6000_free_machine_status): New Function.
2747 (rs6000_init_expanders): Use new functions.
2749 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2751 (struct machine_function): Move here.
2753 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2754 sysv_varargs_p field of the cfun->machine structure.
2756 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2758 (rs6000_restore_machine_status): Remove prototype.
2760 2001-01-09 Richard Henderson <rth@redhat.com>
2762 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2763 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2764 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2765 (sched_analyze_2, sched_analyze_insn): Likewise.
2766 (sched_analyze, init_deps): Likewise.
2767 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2768 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2769 (compute_block_backward_dependences): Update propagate_deps call.
2771 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2773 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2775 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2777 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2778 (cpp_handle_option): Handle them.
2779 (cpp_post_options): Ensure one of -M or -MM is specified with
2780 any other -M? option.
2781 (init_dependency_output): Suppress output with -MG.
2783 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2786 * invoke.texi: Update.
2788 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2790 * sh.md (reload_outsf): Generate recognizable patterns for
2793 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2795 * c-lang.c (lang_hooks): Update.
2796 (lang_init): Rename c_init.
2797 (lang_finish): Remove.
2798 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2800 * toplev.h (lang_hooks): Add init () and finish ().
2801 * tree.h (lang_init, lang_finish): Remove.
2802 * cp/tree.h (lang_init, lang_finish): Remove.
2803 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2804 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2806 (lang_init, lang_finish): Remove.
2807 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2808 (lang_hooks): Update.
2809 * java/lang.c (lang_init): Rename java_init.
2810 (lang_finish): Remove.
2811 (lang_hooks): Update.
2812 * objc/objc-act.c (lang_init): Rename objc_init.
2813 (lang_finish): Remove.
2814 (lang_hoooks): Update.
2816 20001-01-09 Graham Stott <grahams@redhat.com>
2818 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2819 after `ptr` is initialised.
2821 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2823 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2824 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2825 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2826 stack adjusts, instead of r3.
2828 2001-01-09 Michael Hayes <mhayes@redhat.com>
2830 * flow.c (flow_loop_scan): Break out of ...
2831 (flow_loops_find) ... here.
2832 * basic-block.h (flow_loop_scan): New.
2833 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2834 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2836 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2838 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2840 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2841 realloc()ing macro_buffer.
2843 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2844 if it's wider than long and the target's long is wider than the
2847 2001-01-09 Mark Mitchell <mark@codesourcery.com>
2849 Remove support for using UWIN as a host machine.
2850 * configure.in: Issue an error message.
2851 * configure: Regenerated.
2852 * config.gcc: Remove xm_* UWIN configury.
2853 * config/i386/xm-uwin.h: Remove.
2855 2001-01-08 Nick Clifton <nickc@redhat.com>
2857 * config/v850/v850.c (ra_rtx): Delete.
2858 (v850_save_machine_status): Delete.
2859 (v850_restore_machine_status): Delete.
2860 (v850_init_machine_status): New function.
2861 (v850_mark_machine_status): New function.
2862 (v850_free_machine_status): New function.
2863 (v850_return_addr): Use ra_rtx field in machine structure.
2864 (v850_init_expanders): Use new functions.
2866 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2867 * config/v850/v850.c: Change arguments to v850_output+* functions
2868 to take a const char *, to avoid compile time warning.
2869 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2870 (USER_LABEL_PREFIX): Redefine.
2872 2000-01-08 Jim Wilson <wilson@redhat.com>
2874 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2875 1 to unsigned HOST_WIDE_INT before left shift.
2877 2001-01-08 Nick Clifton <nickc@redhat.com>
2879 * config/arm/arm.c (arm_mark_machine_status): Check to see if
2880 the machine structure has been allocated.
2881 (arm_free_machine_status): New function: Free the machine
2882 specific function structure.
2884 2001-01-08 Richard Henderson <rth@redhat.com>
2886 * jump.c (simplejump_p): Revert last change.
2888 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
2890 * cppinit.c (init): Rename init_library.
2891 (cpp_create_reader): Update.
2892 * gcc.c (cpp_options): If -o given, use it as the target of
2895 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2897 * arm.c (arm_arch5e): New variable.
2898 (all_cores): XScale is a 5TE device.
2899 (arm_override_options): Set arm_arch5e.
2900 (arm_init_builtins): __builtin_prefetch is in arch5e.
2901 * arm.h (arm_arch5e): Declare it.
2903 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2905 * arm.md (define_constants): Add defines for UNSPEC and
2906 UNSPEC_VOLATILE insns. Update all users.
2907 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2908 * arm.c (multi_register_push, note_invalid_constants)
2909 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2910 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2911 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2913 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2915 * jump.c (jump_optimize_1): Use reversed_comparison_code
2916 instead of can_reverse_comparison_p.
2917 (jump_back_p): Likewise.
2918 (invert_exp_1): Likewise.
2919 (thread_jumps): Likewise.
2920 * simplify-rtx.c (simplify_unary_operation): Likewise.
2921 (simplify_ternary_operation): Likewise.
2922 * cse.c (find_comparison_args): Convert to use
2923 can_reverse_comparison_p.
2924 (record_jump_equiv): Likewise.
2926 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2928 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2929 (EPILOGUE_USES): Define.
2930 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2931 automatically stack the LR if it isn't live.
2933 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2935 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2938 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2940 * ggc-page.c (max_alignment): New structure.
2941 (MAX_ALIGNMENT): New macro.
2942 (init_ggc): Use it to round up the sizes in the
2943 extra_order_size_table.
2945 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2947 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2950 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2952 * builtins.def (BUILT_IN_FPRINTF): New entry.
2954 * c-common.c (c_expand_builtin_fprintf): New function.
2955 (init_function_format_info): Handle __builtin_fprintf.
2956 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2957 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2959 * c-decl.c (duplicate_decls): Adjust comment.
2961 * extend.texi (fprintf): Document new builtin.
2963 2001-01-07 Richard Henderson <rth@redhat.com>
2965 * jump.c (simplejump_p): Recognize any single_set jump
2968 2001-01-07 Richard Henderson <rth@redhat.com>
2970 * configure.in (slibdir): Accept an --with-slibdir option.
2971 Use "test" not "[" in configure. Default to $(libdir).
2973 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2975 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2976 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2977 (SHLIB_LINK): Create links for the soname.
2978 * config/mips/t-iris6: Likewise.
2979 * config/sparc/t-slibgcc: Likewise.
2980 * config/sparc/t-slibgcc-sld: Likewise.
2982 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2984 * config/i386/i386.c (constant_call_address_operand): Accept
2985 (const (plus (symbol_ref) (const_int))).
2986 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2987 constant_call_address_operand.
2989 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2991 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2992 and LONG_LONG_TYPE_SIZE > 32.
2994 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2996 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2997 the previous change.
2999 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3001 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3003 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3004 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3005 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3008 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3010 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3012 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3014 * c-lang.c (c_post_options): Call cpp_post_options.
3015 * objc/objc-act.c (objc_post_options): Similarly.
3016 * cppmain.c (main): Similarly.
3017 * fix-header.c (read_scan_file): Similarly.
3018 * cppinit.c (cpp_start_read): Move option consistency checks
3019 to cpp_post_options. Don't call init_dependency_output.
3020 If needed, add default target and main file dependency.
3021 (OPT_MD, OPT_MMD): Remove.
3023 (cpp_handle_option): Update for OPT_* changes.
3024 (cpp_post_options): New.
3025 (init_dependency_output): Command line -MF overrides environment
3026 variables. Don't set default target etc. Suppress output
3027 if dependencies are going to stdout.
3028 (print_help): Update.
3029 * cpplib.h (cpp_post_options): New.
3030 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3032 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3034 * jump.c (comparison_dominates_p): Support unordered compares.
3036 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3038 * simplify-rtx.c (simplify_relational_operation): Always simplify
3039 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3042 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3044 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3045 (nonzero_bits): Likewise.
3046 (simplify_comparison): Likewise.
3047 (num_sign_bit_copies): Likewise; return more sane value depending
3048 on STORE_FLAG_VALUE.
3049 (known_cond): Do not assume EQ to be always true for equivalent
3052 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3054 * cse.c (fold_rtx): Handle unordered comparisons.
3056 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3058 * rtlanal.c (set_of_1): New static function.
3059 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3060 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3061 reg_set_last_last_regno): Remove.
3062 (set_of): New global function.
3063 (set_of_data): New structure.
3064 (reg_set_p, reg_set_last): Revamp for set_of.
3065 * rtl.h (set_of): New.
3067 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3069 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3070 * extend.texi: Document _Exit builtin.
3072 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3074 * (initialize, initialize_builtins,
3075 initialize_dependency_output, initialize_standard_includes):
3076 Rename s/initialize/init. Update.
3077 (init_dependency_output): Move to after
3078 cpp_handle_options, the correct location temporally at least.
3079 (opt_comp): Move next to init (), its caller. Fix prototype.
3080 (init): Make "initialized" local scope.
3081 (cpp_create_reader): Always call init ().
3082 (cpp_start_read): Update.
3083 (output_deps): New function, broken out of cpp_finish.
3084 (cpp_finish): Break out output_deps.
3086 2001-01-07 Richard Henderson <rth@redhat.com>
3088 * collect2.c (COFF specific stuff): Revert 12-06 patch
3089 to prototype system functions.
3091 2001-01-07 Michael Hayes <mhayes@redhat.com>
3093 * hard-reg-set.h: Add multiple include guard.
3094 * basic-block.h (struct loop): Add `sink' field.
3095 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3096 (emit_iv_add_mult): Delete.
3097 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3098 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3099 (unroll_loop): Remove end_insert_before argument.
3100 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3101 (maybe_eliminate_biv_1): Likewise.
3102 (emit_iv_add_mult): Delete.
3103 (gen_add_mult, loop_regs_update): New.
3104 (loop_insn_emit_after, loop_insn_emit_before): New.
3105 (loop_insn_sink, loop_insn_sink_or_swim): New.
3106 (emit_iv_add_mult): Delete.
3107 (scan_loop): Set loop->sink.
3108 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3109 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3110 (maybe_eliminate_biv_1): Likewise.
3111 (maybe_eliminate_biv_1): Add basic block argument.
3112 * unroll.c (unroll_loop): Remove end_insert_before argument.
3113 (find_splittable_regs): Likewise.
3114 (find_splittable_regs): Use loop_insn_sink and its ilk.
3115 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3117 2001-01-07 Michael Hayes <mhayes@redhat.com>
3119 * loop.h (loop_insn_hoist): New prototype.
3120 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3121 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3122 (check_dbra_loop, load_mems): Likewise.
3123 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3124 (find_splittable_givs): Likewise.
3126 2001-01-07 Michael Hayes <mhayes@redhat.com>
3128 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3130 2001-01-07 Richard Henderson <rth@redhat.com>
3132 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3134 2001-01-07 Richard Henderson <rth@redhat.com>
3136 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3137 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3138 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3139 variant that handles a shared libgcc.
3140 (process_command): Always validate -{static,shared}-libgcc.
3141 (do_spec_1): New 'M' case.
3142 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3144 2001-01-07 Richard Henderson <rth@redhat.com>
3146 * Makefile.in (slibdir): New variable.
3147 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3148 (installdirs): Create slibdir.
3149 (install-libgcc, install-multilib): Defer to libgcc.mk.
3150 * configure.in (slibdir): Substitute.
3151 * mklibgcc.in (install): New target.
3153 * config/t-linux (SHLIB_LINK): Create links for the soname.
3154 (SHLIB_INSTALL): New.
3155 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3156 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3157 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3158 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3159 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3161 2001-01-07 Richard Henderson <rth@redhat.com>
3163 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3164 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3165 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3167 2001-01-07 Michael Hayes <mhayes@redhat.com>
3169 * loop.c (count_loop_regs_set): Delete.
3170 (load_mems_and_recount_loop_regs_set): Delete.
3171 (loop_regs_scan): Merge common code from count_loop_regs_set,
3172 scan_loop, and load_mems_and_recount_loop_regs_set.
3173 (scan_loop): Call load_mems directly and loop_regs_scan
3174 again if new registers created.
3176 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3178 * toplev.c (main): Call the front-end specific post_options
3179 hook if one is given.
3180 * toplev.h (struct_lang_hooks, lang_hooks): New.
3181 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3182 for the C front end.
3183 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3184 lang_hooks for the C++ front end.
3185 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3186 lang_hooks for the ObjC front end.
3187 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3188 * java/lang.c (lang_hooks): Hooks for the Java front end.
3190 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3192 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3193 for verbose DWARF[2] debugging.
3194 (cb_define, cb_undef): The new callbacks.
3195 * toplev.h (debug_define, debug_undef): Make const correct.
3196 * toplev.c (debug_define, debug_undef): Similarly. Do not
3197 perform the verbosity tests here anymore.
3199 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3201 * reload.c (subst_reloads): Take INSN argument. When
3202 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3203 * reload.h (subst_reloads): Adjust prototype.
3204 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3205 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3206 present in JUMP_INSNs and copy them to JUMP_LABEL.
3207 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3208 JUMP_INSNs and insns with REG_LABELs that are followed by
3209 JUMP_INSNs with the same REG_LABEL.
3210 * sched-rgn.c (is_cfg_nonregular): Likewise.
3211 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3213 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3215 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3217 2001-01-06 Richard Henderson <rth@redhat.com>
3219 * loop.c (scan_loop): Use xcalloc for the regs array.
3220 (load_mems_and_recount_loop_regs_set): Zero the new memory
3221 received from xrealloc.
3223 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3225 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3227 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3229 * integrate.c (copy_rtx_and_substitute): When copying
3230 an ignored return value, strip REG_FUNCTION_VALUE_P.
3232 2001-01-06 Michael Hayes <mhayes@redhat.com>
3234 * loop.c (debug_biv, debug_giv): New.
3235 (loop_biv_dump): Break out from ...
3236 (record_biv): ... here.
3237 (loop_giv_dump): Break out from ...
3238 (record_giv): ... here.
3239 (loop_bivs_check): Use print_simple_rtl.
3240 * unroll.c (loop_iterations): Use print_simple_rtl.
3242 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3244 * pa.md (return, return_internal): Modify patterns to prevent regrename
3245 mucking with the return pointer.
3247 2001-01-05 Richard Henderson <rth@redhat.com>
3249 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3251 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3253 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3254 version supplied by Matteo Frigo.
3256 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3258 * cpp.texi: Update for -MQ.
3259 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3260 (cpp_cleanup): Always free pfile->deps.
3261 (initialize_dependency_output): Don't create pfile->deps.
3262 (cpp_handle_option): Similarly.
3264 * gcc.c (cpp_options): Handle -MQ.
3265 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3266 * mkdeps.c (base_name): Remove.
3267 (deps_init): Don't allocate vector space until it's needed.
3268 (deps_free): Only free vectors if allocated.
3269 (deps_add_target, deps_add_dep): Update for initial allocation.
3270 (deps_add_default_target): Don't strip to the base_name.
3272 2001-01-05 DJ Delorie <dj@redhat.com>
3274 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3275 (INIT_EXPANDERS): Define.
3277 * config/v850/v850.c (struct machine_function): Define.
3278 (v850_save_machine_status): New function.
3279 (v850_restore_machine_status): New function.
3280 (v850_return_addr): New function.
3281 (v850_init_expanders): New function.
3283 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3284 and v850_init_expanders.
3286 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3288 * cpplib.h (struct cpp_reader): Add help_only field.
3289 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3290 (cpp_handle_option): Set pfile->help_only if we see -h,
3291 --help, -target-help, or --version. Print version string but
3292 do not set help_only if we see -v or -version. Make text
3293 printed by -v match that printed by (-)-version.
3295 * cppmain.c (main): Exit after option parsing if
3296 pfile->help_only is true.
3298 * toplev.c (independent_decode_option): Call print_version,
3299 then exit, if we see --version (but not -version).
3300 (print_version): Split lengthy message into two lines.
3302 2001-01-05 Nick Clifton <nickc@redhat.com>
3304 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3305 temporary string for initialisation before calling ggc_alloc_string.
3307 2001-01-06 Michael Hayes <mhayes@redhat.com>
3309 * rtl.h (print_simple_rtl): New.
3310 * print-rtl.c (print_simple_rtl): New.
3312 (print_rtx): Disable printing of flags and modes, etc.,
3313 if `flag_simple` nonzero.
3315 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3317 * function.c (fixup_var_refs): Use push_to_full_sequence where
3320 2001-01-05 Michael Meissner <meissner@redhat.com>
3322 * flags.h (flag_reorder_blocks): Add declaration.
3323 (flag_rename_block): Ditto.
3325 2001-01-05 DJ Delorie <dj@redhat.com>
3327 * function.c (reorder_blocks): Make sure the flags are all reset
3328 before using them to mark blocks, else a second invocation will
3329 corrupt the block chain.
3330 (reorder_blocks_0): New, resets the flags.
3332 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3334 * cse.c (find_comparison_args): Stop if the argument is known to
3337 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3339 * config/sh/sh.md (movdf): When splitting load into pair of
3340 registers, don't clobber the register used in the address too
3343 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3345 * varasm.c (mark_constant_pool): Improve initial comments.
3346 (mark_constants): Move marking of constants to mark_constant.
3347 (mark_constant): New function to recursively mark all constants
3348 referred to by a constant.
3350 2001-01-05 Catherine Moore <clm@redhat.com>
3352 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3354 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3356 * cp/lang-options.h: Bring comment in line with reality.
3357 * f/lang-options.h: Likewise.
3358 * java/lang-options.h: Likewise.
3359 * objc/lang-options.h: Likewise.
3360 * ch/lang-options.h: Likewise.
3361 * f/g77.texi: And update the manual.
3363 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3364 Denis Chertykov <denisc@overta.ru>
3366 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3367 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3368 * config/avr/avr.md (all peepholes that request a scratch register):
3369 Call it, FAIL the peephole if not safe (in interrupt functions).
3371 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3373 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3375 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3377 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3379 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3380 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3381 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3382 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3383 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3385 * extend.texi: Document these builtins.
3387 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3389 * c-common.c (lang_get_alias_set): Say we know nothing of
3390 VECTOR_TYPE aliasing.
3392 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3394 2001-01-05 Bruce Korb <bkorb@gnu.org>
3396 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3397 their x* equivalent versions for atexit-less systems
3398 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3399 systems (or any other system any more).
3401 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3403 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3404 output operands. Use arm_hard_register_operand for operand 4.
3405 (stmsi_postinc): Similarly.
3406 (ldmsi): Use arm_hard_register_operand for opernand 2.
3408 * arm.c (arm_hard_register_operand): New function.
3409 * arm-protos.h (arm_hard_register_operand): Prototype it.
3411 * arm.h (HARD_REGNO_RENAME_OK): Define.
3413 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3415 * simplify-rtx.c (cfc_args): add "unordered" field.
3416 (check_fold_consts): Set unordered field.
3417 (simplify_relational_operation): Simplify the unordered
3420 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3423 * emit-rtl.c (try_split): Fix code to mark labels.
3424 * jump.c (mark_jump_label): Make global.
3425 * rtl.h (mark_jump_label): Declare.
3427 * predict.c (estimate_probability): Handle unordred comparisons.
3429 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3431 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3432 * cppinit.c (initialize_dependency_output): Update.
3433 (cpp_finish): Output dummy targets for -MP.
3435 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3436 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3437 * gcc.c (cpp_options): Update to handle -MP.
3438 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3439 to quote only the default target.
3440 (deps_phony_targets): Insert a preceding newline. Rename from
3441 deps_dummy_targets for consistency.
3444 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3446 * calls.c (emit_library_call_value_1): Support
3447 INIT_CUMULATIVE_LIBCALL_ARGS.
3448 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3450 2001-01-04 Richard Henderson <rth@redhat.com>
3452 * c-decl.c (finish_struct): Detect flexible array members
3453 used in an inappropriate context.
3454 * c-typeck.c (really_start_incremental_init): Special case
3455 constructor_max_index for zero length arrays.
3456 (pop_init_level): Allow initialization of flexible array
3457 members. Deprecate initialization of zero length arrays.
3458 Don't issue missing initializer warning for flexible array
3459 members or zero length arrays.
3460 (process_init_element): Don't dereference null DECL_SIZE.
3461 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3462 Don't abort for empty constructors. Use size_binop
3463 (output_constructor): Add commentary regarding zero length
3464 array futures. Abort if we try to initialize an array of
3465 unspecified length with a non-empty constructor in the middle
3468 * extend.texi (Zero Length): Update and clarify documentation
3469 on static initialization.
3471 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3473 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3474 with more than 32767 words of local storage.
3476 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3478 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3479 for 'abs', 'labs', and 'fabs'.
3480 (c4x_expand_builtin): Likewise.
3481 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3483 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3485 * config/sh/sh.md (prget, prset): New insn types.
3486 (return delay slot): Dont' allow prset.
3487 (call, sfunc delay slot): Don't allow prget.
3488 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3489 for prset and prget.
3491 2001-01-05 Michael Hayes <mhayes@redhat.com>
3493 * loop.h (struct loop_reg): New.
3494 (struct loop_regs): Change to use array of `struct loop_reg'.
3495 * loop.c: Replace assortment of varrays with single regs array.
3496 (count_one_set): Delete may_not_move array argument
3497 and use regs array instead. All caller's changed.
3498 (count_loop_regs_set): Delete may_not_move and single_usage
3499 arguments and use regs array instead. All caller's changed.
3500 (find_single_use_in_loop): Replace usage array argument with pointer
3501 to regs structure. All caller's changed.
3502 (loop_optimize): Delete `moved_once' array.
3504 2001-01-05 Michael Hayes <mhayes@redhat.com>
3506 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3507 Use it instead of loop_info->has_call for scanning loop mems.
3508 (check_dbra_loop): Replace loop_info->has_call test with
3509 loop_info->has_nonconst_call.
3511 2000-01-04 Matthew Hiller <hiller@redhat.com>
3513 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3516 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3518 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3519 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3521 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3523 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3524 (flag_short_double, flag_short_wchar): Define.
3525 (c_common_nodes_and_builtins): Create many tree nodes shared
3526 between C and C++ here instead of in cp/decl.c and ...
3527 * c-decl.c (init_decl_processing): ... here.
3528 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3529 (flag_short_double, flag_short_wchar): Don't define.
3530 (record_builtin_type): New function.
3531 (build_void_list_node): New function.
3532 * c-common.h (flag_short_double, flag_short_wchar,
3533 record_builtin_type, build_void_list_node): Declare.
3535 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3537 * integrate.c (expand_inline_function): Don't put a virtual
3538 register into the reg map.
3540 * function.c (fixup_var_refs_1): If force_operand didn't put
3541 the address into the target, move it there.
3543 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3545 Special-case tree_decl/tree_list allocations.
3546 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3547 (OBJECT_SIZE): New macro.
3548 (NUM_EXTRA_ORDER): Likewise.
3549 (extra_order_size_table): New variable.
3550 (NUM_ORDERS): New macro.
3551 (objects_per_page_table): New variable.
3552 (object_size_table): New variable.
3553 (G.pages): Use NUM_ORDERS to bound the array.
3554 (G.page_tails): Likewise.
3555 (DIV_ROUND_UP): Remove.
3556 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3557 (alloc_page): Use OBJECT_SIZE.
3558 (size_lookup): Don't make it const.
3559 (ggc_alloc): Use OBJECT_SIZE.
3560 (ggc_set_mark): Likewise.
3561 (ggc_get_size): Likewise.
3562 (init_ggc): Set up the object_size_table, objects_per_page_table,
3563 and adjust size_lookup.
3564 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3565 (ggc_pop_context): Use NUM_ORDERS.
3566 (clear_marks): Likewise.
3567 (sweep_pages): Likewise.
3568 (poison_pages): Likewise.
3569 (ggc_print_statistics): Use OBJECT_SIZE.
3571 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3573 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3574 Only call array_size_for_constructor if last field and array type
3575 with no upper bound.
3577 2001-01-04 Philip Blundell <philb@gnu.org>
3579 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3580 from bit 31 downwards, if this requires no more insns.
3581 (count_insns_for_constant): New helper function for above.
3583 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3585 * gencodes.c (output_predicate_decls): Remove empty initializer.
3587 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3589 * tree.c (copy_node): Remove documentation about obstacks.
3590 (buidl1): Check that nobody tries to build 2-argument nodes this
3593 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3595 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3598 * gencodes.c (output_predicate_decls): Fill empty initializer
3601 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3603 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3604 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3606 (do_include): Handle missing headers like cpp0.
3607 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3608 paths with first include pathname. Don't strcat to uninitialized
3611 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3613 * regrename.c (regrename_optimize): Don't rename from frame pointer
3614 if frame_pointer_needed.
3615 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3616 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3617 (ia64_reorg): Use it instead of scheduling if ! optimize.
3618 (errata_emit_nops): Properly call asm_noperands.
3619 (ia64_sched_reorder): Finish cycle if we see an asm.
3620 (ia64_variable_issue): Clear scheduling state after asms.
3622 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3624 * cpp.texi: Update for -MT.
3625 * cppinit.c (initialize_dependency_output): Add a default
3626 target if none has been given already.
3627 (no_tgt, OPT_MT): New.
3628 (cpp_handle_option): Handle -MT. Update -M etc.
3629 * cpplib.h (struct cpp_options): Remove deps_target.
3630 * gcc.c (cpp_options): Handle -MT.
3631 * mkdeps.c (struct deps): Move from mkdeps.h.
3632 (deps_calc_target): Rename deps_add_default_target. Add a
3633 default target if none has been specified already.
3634 * mkdeps.h (struct deps): Move to mkdeps.c.
3635 (deps_calc_target): Rename deps_add_default_target.
3637 2000-01-03 Richard Henderson <rth@redhat.com>
3639 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3641 * c-typeck.c (push_init_level): Move checks for flexible array
3642 members and zero length arrays ...
3643 (pop_init_level): ... here. Silently discard empty initializations.
3645 * varasm.c (output_constructor): Update for sizeof change to
3648 * extend.texi (Zero Length): Clarify semantics.
3650 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3652 * configure.in (tm.h): Include isns-codes.h last.
3653 * configure: Rebuilt.
3655 2001-01-03 Richard Henderson <rth@redhat.com>
3657 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3658 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3660 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3662 * tradcpp.c (main): Make sure finclude() is called with a valid
3663 indepth value while handling -include.
3665 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3667 * gencodes.c (output_predicate_decls): New function.
3669 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3670 even if it is not the first time machmode.h is #included.
3671 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3672 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3673 * gcc.texi (Copyright): Added 2001.
3675 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3677 * c-common.c (c_common_lang_init): New function. Warn if format
3678 warning options which only have effects when used with -Wformat
3679 are used without -Wformat.
3680 * c-common.h (c_common_lang_init): Declare.
3681 * c-lang.c (lang_init): Call c_common_lang_init.
3682 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3684 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3686 * configure.in: Check for the mktemp command.
3687 * configure: Regenerate.
3688 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3689 $TEMP. Create temporary files with mktemp, if available at
3690 configure time; otherwise use set -C. Remove temporary files
3693 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3695 * configure.in: Require at least texinfo 4.0. Check for whether
3696 Pod::Man is sufficiently recent to regenerate GCC manpages.
3697 * configure: Regenerate.
3698 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3700 (GENERATED_MANPAGES): Define.
3701 (generated-manpages): New target. Depend on cpp.1 as well as
3703 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3704 configure to generated-manpages or empty) rather than on the
3705 manpages directly. Remove execute permission from installed
3706 gcov.1 as well as cpp.1.
3707 * cpp.1, gcov.1: Regenerate.
3709 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3711 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3712 tree_low_cst. Allow using cmpstrsi in more cases.
3714 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3716 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3719 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3721 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3722 * Makefile.in (HOST_CFLAGS): Mention build-make.
3724 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3726 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3729 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3731 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3734 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3737 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3738 reg_base_value and reg_known_value arrays.
3739 (init_alias_analysis): Add more cases to detect known values.
3740 * sched-deps.c (deps_may_trap_p): New function.
3741 (sched_analyze_2): Use it.
3743 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3745 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3746 don't discard an ASHIFTRT if we're shifting in a wider mode.
3748 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3750 * toplev.c (rest_of_compilation): Don't print basic block information
3751 when CFG isn't up to date.
3753 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3755 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3756 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3757 (UNALIGNED_SHORT_ASM_OP): Define.
3758 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3760 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3762 * fold-const.c (fold_convert): Fix typo.
3764 2001-01-02 Richard Henderson <rth@redhat.com>
3766 * c-common.h (ASM_INPUT_P): New.
3767 * c-parse.in (asm): Set it when needed.
3768 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3769 existance of an operand.
3771 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3773 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3774 (dwarf2out_frame_debug_expr): Likewise.
3775 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3777 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3779 * i386.c (ix86_split_to_parts): Return number of part required;
3781 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3783 (ix86_split_long_move): Use number of part returned
3784 by ix86_split_to_parts
3785 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3787 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3788 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3789 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3790 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3791 (ALIGN_MODE_128): Add TFmode.
3792 (IS_STACK_MODE): Likewise.
3793 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3794 (HARD_REGNO_OK): Support TFmodes.
3795 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3796 * i386.md (scheduler definitions): Use memory operand to determine
3797 fst/fld instructions; use mode attribute to determine real mode of
3799 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3800 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3802 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3804 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3806 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3808 * expr.c (store_constructor_field): Update ALIGN before calling
3811 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3813 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3816 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3818 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3821 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3823 * c-decl.c (start_function): Don't warn on third parameter to main.
3825 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3827 * tsystem.h: Define HAVE_DECL_GETOPT.
3829 2001-01-02 Philip Blundell <pb@futuretv.com>
3831 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3834 2001-01-02 Richard Henderson <rth@redhat.com>
3836 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3838 2001-01-02 Andreas Jaeger <aj@suse.de>
3840 * c-decl.c (c_decode_option): Remove support of
3843 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3844 (W_options): Add -Wmissing-noreturn here.
3846 * flow.c: Define lang_missing_noreturn_ok_p.
3847 (check_function_return_warnings): Use it.
3849 * c-common.h: Declare lang_missing_noreturn_ok_p.
3851 * c-lang.c (c_missing_noreturn_ok_p): New function.
3852 (lang_init): Set lang_missing_noreturn_ok_p.
3854 * invoke.texi (Warning Options): Document this.
3856 2000-12-27 Phil Edwards <pme@sources.redhat.com>
3858 * extend.texi (C++ Extensions): New node for C++ attributes;
3859 describe init_priority and com_interface.
3860 * invoke.texi: Remove -finit-priority as it now has zero effect.
3861 * install.texi: Fix xref syntax.
3862 * md.texi: Likewise.
3864 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3866 * config.gcc (sparc64-wrs-vxworks*): New case.
3867 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3869 * config/sparc/sparc.c (sparc_override_options): Do support different
3870 pointer and architecture size.
3871 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3872 (POINTERS_EXTEND_UNSIGNED): Define.
3873 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3874 (FUNCTION_MODE): Define to be Pmode.
3875 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3877 * function.c (expand_function_end): Properly handle DECL_RESULT
3878 and copy when ptr_mode != Pmode.
3879 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3881 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3883 * c-common.c (c_common_nodes_and_builtins): Set prototype
3884 parameters for __builtin_fputs, __builtin_fputc and
3885 __builtin_fwrite. Don't declare plain fputc as a builtin.
3887 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3889 * loop.c (add_label_notes): Increment the label usage count when
3890 a note is added to an insn which refers to a CODE_LABEL.
3891 * gcse.c (add_label_notes): Likewise.
3893 2001-01-01 Andreas Jaeger <aj@suse.de>
3895 * loop.c (scan_loop): Use xmalloc to allocate movables.
3897 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
3899 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3900 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
3901 * reload1.c (REGISTER_MOVE_COST): Likewise.
3902 * regclass.c (REGISTER_MOVE_COST): Likewise.
3903 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3904 dimension. Adjust all users.
3905 (init_reg_sets_1): Iterate on all modes.
3906 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3907 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3908 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3909 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3910 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3911 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3912 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3913 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3914 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3915 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3916 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3917 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3918 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3919 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3920 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3921 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3922 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3923 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3924 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3925 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3926 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3927 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3928 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3929 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3930 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3931 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3932 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3934 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3936 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3937 arg VARIES_P. Call it with extra arg.
3938 (true_dependence): Likewise.
3939 * rtl.h (rtx_addr_can_trap_p): Declare.
3940 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3942 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3943 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3944 pic offset table register if it's zero. All callers changed.
3945 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3947 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3949 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3950 STRING_POOL_ADDRESS_P.
3952 * config/sparc/sparc.c (input_operand): Properly test for short op.
3954 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3955 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3956 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3957 * config/sparc/elf.h: No longer include sol2.h.
3958 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3959 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3961 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3963 2001-01-01 Michael Hayes <mhayes@redhat.com>
3965 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3966 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3967 (record_initial): Likewise.
3968 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3969 (remap_split_bivs): Likewise.
3971 2001-01-01 Michael Hayes <mhayes@redhat.com>
3973 * loop.c (loop_ivs_free): New function.
3974 (strength_reduce): Break out from...
3976 2001-01-01 Michael Hayes <mhayes@redhat.com>
3978 * loop.h (struct iv): New.
3979 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3980 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3981 'reg_biv_class' fields with 'regs' and 'n_regs'.
3982 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3983 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3984 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3986 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3988 * resource.c (mark_referenced_resources): Abort() before
3989 attempting to mark a pseudo register.
3990 (mark_set_resources): Likewise.
3992 2001-01-01 Michael Hayes <mhayes@redhat.com>
3994 * loop.h (REG_IV_CLASS): New accessor macro.
3995 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3996 * unroll.c (REG_IV_CLASS): Likewise.
3998 See ChangeLog.4 for earlier changes.