1 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * gcc.texi: Remove reference to stupid.c.
5 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
7 * c-common.c (c_tree_code_type): New array.
8 (c_tree_code_length): Likewise.
9 (c_tree_code_name): Likewise.
10 (add_c_tree_codes): New function.
12 * c-common.h (add_c_tree_codes): Declare.
13 (enum c_tree_code): New enum.
15 * c-lex.c (init_parse): Added call to add_c_tree_codes.
17 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
20 select pattern to also match macro defs with only one argument.
22 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
24 * i386.md: Create new [right,left] rotate and right shift
25 patterns to optimize shift by 1 bit for certain ia32 processors.
26 Update patterns which perform left shifts to optimize shift by
27 1 bit for certain ia32 processors.
28 * i386.c (const_int_1_operand): New predicate.
29 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
30 * i386-protos.h (const_int_1_operand): Prototype.
32 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
34 * mips.c (machine_dependent_reorg): Fix braces for nested if.
36 2000-06-14 Geoff Keating <geoffk@cygnus.com>
38 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
41 2000-06-14 Richard Henderson <rth@cygnus.com>
43 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
45 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
48 * print-rtl.c (print_rtx): Emit space before mem alias set.
50 2000-06-14 David Edelsohn <edelsohn@gnu.org>
52 * rs6000.c (expand_block_move): Fix typo in earlier change.
53 (print_operand): Remove unused variables neg and op.
54 (toc_hash_mark_entry): Fix prototype.
56 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
58 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
59 (THEN_CLAUSE): Likewise.
60 (ELSE_CLAUSE): Likewise.
61 (WHILE_COND): Likewise.
62 (WHILE_BODY): Likewise.
65 (RETURN_EXPR): Likewise.
66 (EXPR_STMT_EXPR): Likewise.
67 (FOR_INIT_STMT): Likewise.
71 (SWITCH_COND): Likewise.
72 (SWITCH_BODY): Likewise.
74 (CASE_HIGH): Likewise.
75 (GOTO_DESTINATION): Likewise.
76 (COMPOUND_BODY): Likewise.
77 (ASM_CV_QUAL): Likewise.
78 (ASM_STRING): Likewise.
79 (ASM_OUTPUTS): Likewise.
80 (ASM_INPUTS): Likewise.
81 (ASM_CLOBBERS): Likewise.
82 (DECL_STMT_DECL): Likewise.
83 (STMT_EXPR_STMT): Likewise.
84 (LABEL_STMT_LABEL): Likewise.
85 (SCOPE_BEGIN_P): Likewise.
86 (SCOPE_END_P): Likewise.
87 (SCOPE_STMT_BLOCK): Likewise.
88 (SCOPE_NULLIFIED_P): Likewise.
89 (SCOPE_NO_CLEANUPS_P): Likewise.
90 (SCOPE_PARTIAL_P): Likewise.
91 (ASM_VOLATILE_P): Likewise.
92 (STMT_LINENO): Likewise.
93 (STMT_LINENO_FOR_FN_P): Likewise.
95 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
96 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
97 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
98 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
99 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
101 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
103 2000-06-14 David O'Brien <obrien@FreeBSD.org>
105 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
106 writable in parts of the GCC code.
108 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
109 specification match cast.
111 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
113 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
114 * configure, config.in: Rebuilt.
115 * sys-protos.h: Similarly.
117 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
119 * ifcvt.c (EDGE_COMPLEX): Move definition ...
120 * basic-block.h (EDGE_COMPLEX): ... here.
122 * loop.c (check_dbra_loop): Specify the register when
123 generating REG_NONNEG notes and don't generate duplicates.
125 2000-06-13 Jakub Jelinek <jakub@redhat.com>
127 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
128 (struct tree_type, struct tree_decl): Add user_align member.
129 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
130 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
131 and DECL_USER_ALIGN 0, cap alignment to this value.
132 (place_field): Likewise.
133 (finalize_type_size): Set TYPE_USER_ALIGN.
134 (layout_type): Likewise.
135 (initialize_sizetypes): Likewise.
136 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
137 DECL_USER_ALIGN to 1.
138 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
139 (xfer_tag): Set TYPE_USER_ALIGN.
140 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
141 (finish_enum): Likewise.
142 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
143 (expand_anon_union_decl): Likewise.
144 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
145 (build_index_type): Set TYPE_USER_ALIGN.
146 (build_range_type): Likewise.
147 (build_common_tree_nodes_2): Likewise.
148 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
150 2000-06-13 Andreas Jaeger <aj@suse.de>
152 * configure.in: Use --enable-checking=misc,tree,gc by default if
153 no --enable-checking option is given and for
154 --enable-checking=yes.
155 * configure: Rebuilt.
157 2000-06-13 Richard Henderson <rth@cygnus.com>
159 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
160 (__throw): Don't pass the address of a label.
162 * config/ia64/ia64.c (ia64_compute_frame_size): Use
163 current_function_is_leaf.
164 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
165 instead of reg_names[RETURN_ADDRESS_REGNUM].
166 (ia64_init_machine_status): Reset return_address_pointer_rtx.
167 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
168 from RETURN_ADDRESS_REGNUM. Update all uses.
169 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
170 zero instead of null on failure.
171 (ELIMINABLE_REGS): Add ra->b0 elimination.
172 (CAN_ELIMINATE): Update accordingly.
173 (INITIAL_ELIMINATION_OFFSET): Likewise.
174 (REGISTER_NAMES): Use an illegal assembler name for
175 RETURN_ADDRESS_POINTER_REGNUM.
177 2000-06-13 Richard Henderson <rth@cygnus.com>
179 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
180 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
181 (REG_CLASS_NAMES): Likewise.
182 (REG_CLASS_CONTENTS): Likewise.
183 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
184 (HARD_REGNO_MODE_OK): Remove references to them.
185 (REGNO_REG_CLASS): Likewise.
186 (REG_CLASS_FROM_LETTER): Likewise.
187 (CLASS_MAX_NREGS): Likewise.
188 (REGISTER_MOVE_COST): Likewise.
189 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
190 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
191 (movqi_internal): Special case moves from zero.
192 (movhi_internal, movsi_internal): Likewise.
193 (movdi_internal): Likewise. Fill out "f" constraints.
194 (movsf_internal): Fill out "r" constraints.
195 (movdf_internal): Likewise.
197 2000-06-13 Richard Henderson <rth@cygnus.com>
199 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
202 * haifa-sched.c (struct deps): Add in_post_call_group_p.
203 (add_dependence): Handle notes between SCHED_GROUP_P insns.
204 (remove_dependence): Always define.
205 (set_sched_group_p): New.
206 (sched_analyze_2): Use it.
207 (sched_analyze_insn): Don't special-case naked uses. Look for
208 and extend in_post_call_group_p.
209 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
210 (init_deps): Clear in_post_call_group_p.
212 2000-06-13 Richard Henderson <rth@cygnus.com>
214 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
215 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
216 and hard-coded tests.
217 (simplify_set): Likewise.
218 (gen_lowpart_for_combine): Likewise.
219 * emit-rtl.c (gen_lowpart_common): Likewise.
220 * global.c (find_reg): Likewise.
221 * local-alloc.c (find_free_reg): Likewise.
222 * recog.c (register_operand): Likewise.
223 * regclass.c (init_reg_sets_1): Likewise.
224 (record_operand_costs, regclass): Likewise.
225 * reload.c (push_reload): Likewise.
226 * reload1.c (choose_reload_regs): Likewise.
227 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
228 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
229 Update all references.
230 * regs.h (struct reg_info_def): Likewise.
231 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
232 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
233 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
235 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
236 (CLASS_CANNOT_CHANGE_MODE_P): New.
237 * config/mips/mips.h: Likewise.
238 * config/pa/pa32-regs.h: Likewise.
239 * config/pa/pa64-regs.h: Likewise.
240 * config/rs6000/rs6000.h: Likewise.
241 * config/sh/sh.h: Likewise.
242 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
243 (CLASS_CANNOT_CHANGE_MODE_P): New.
244 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
245 * config/d30v/d30v.h: Likewise.
247 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
249 * configure.in: Add AC_TYPE_GETGROUPS test.
250 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
251 * configure: Rebuilt.
252 * config.in: Rebuilt.
254 2000-06-13 Richard Henderson <rth@cygnus.com>
256 * explow.c (set_mem_attributes): Do nothing for NULL type.
258 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
260 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
263 2000-06-13 James E. Wilson <wilson@cygnus.com>
265 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
267 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
269 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
271 2000-06-13 Philipp Thomas <pthomas@suse.de>
273 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
274 * configure: Rebuilt.
276 2000-06-07 David O'Brien <obrien@FreeBSD.org>
278 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
279 We now default to ELF for the i386, and a.out is the special case.
280 * configure: Rebuilt.
282 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
284 * final.c (final_scan_insn): Delete notes between cc0 setter and
285 user when restarting from setter.
287 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
289 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
290 cast to squelch signed/unsigned warnings.
292 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
294 * cpplib.c (handle_directive): Print non-NUL-terminated string
297 2000-06-12 Michael Meissner <meissner@redhat.com>
299 * ifcvt.c (dead_or_predicable): Don't do conditional execution
300 path if the machine needs extra support to do conditional
303 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
305 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
306 to print the alias set.
307 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
309 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
311 * config/float-vax.h: Add GFLOAT defines.
313 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
315 * configure.in: Update tm dependencies for MPE.
316 * configure: Rebuilt.
318 2000-06-12 H.J. Lu <hjl@gnu.org>
320 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
322 2000-06-12 David Edelsohn <edelsohn@gnu.org>
324 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
325 (CPP_SPEC): Change mthreads to pthread.
326 (LIB_SPEC): Likewise.
327 (STARTFILE_SPEC): Likewise.
328 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
329 (CPP_SPEC): Change mthreads to pthread.
330 (LIB_SPEC): Likewise.
331 (STARTFILE_SPEC): Likewise.
332 * rs6000-protos.h (reg_or_arith_cint_operand): New.
333 * rs6000.c (reg_or_arith_cint_operand): New.
334 (num_insns_constant_wide): Decorate unsigned constant.
335 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
336 * rs6000.md (addsi3): Use new predicate.
337 (subsi3, adddi3, subdi3): Likewise.
339 2000-06-12 Mark Mitchell <mark@codesourcery.com>
341 * c-common.c (lang_get_alias_set): Fix typo.
343 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
345 * flow.c (mark_used_regs): Revert last change.
346 (life_analysis): Remove PROP_AUTOINC if running after reload.
347 (propagate_one_insn): PROP_AUTOINC is always off after reload.
349 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
351 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
354 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
356 * bb-reorder.c (build_scope_forest): Initialize variable
359 * calls.c (expand_call): Likewise for variables
360 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
362 * i386.c (function_arg_advance, function_arg): Cast to avoid
363 signed/unsigned warnings.
365 * i386.h (MEMORY_MOVE_COST): Likewise.
367 * ifcvt.c (cond_exec_process_if_block): Initialize variables
368 `else_start' and `else_end'.
370 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
372 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
374 2000-06-10 Mark Mitchell <mark@codesourcery.com>
376 * Makefile.in (libintl.a): Depend on intl.all.
378 2000-06-09 H.J. Lu (hjl@gnu.org)
380 * Makefile.in (c-parse.o): Also depend on output.h.
382 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
384 * mcore-protos.h: discards const warning removal.
385 * mcore.c: discards const warning removal.
387 2000-06-09 Kazu Hirata <kazu@hxi.com>
389 * config/h8300/lib1funcs.asm: Declare the machine architecture at
390 the beginning of the file.
392 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
394 * real.h: Add prototype for ldexp.
396 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
398 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
399 it ggc_alloc, drop second argument, never clear returned memory.
400 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
401 (ggc_alloc_cleared): New.
402 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
403 ggc_alloc_obj. Remove ggc_alloc macro.
404 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
406 * rtl.c (rtvec_alloc): Clear the vector always.
407 (rtx_alloc): Clear the first word always. Remove dirty
408 obstack tricks (this routine is no longer a bottleneck).
409 * tree.c (make_node): Clear the new node always.
410 (make_tree_vec): Likewise.
411 (tree_cons): Clear the common structure always.
412 (build1): Likewise; also, clear TREE_COMPLEXITY.
413 * gengenrtl.c: Use puts wherever possible. Remove extra
415 (gendef): Clear the first word of an RTX in the generator
416 function, irrespective of ggc_p. Initialize '0' slots to
418 (genlegend): Don't generate obstack_alloc_rtx routine, just a
419 thin wrapper macro around obstack_alloc.
421 * stmt.c (expand_fixup): Use ggc_alloc.
422 * c-typeck.c (add_pending_init): Use ggc_alloc.
423 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
424 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
425 const0_rtx when it is created.
426 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
427 we are not in a function.
429 * tree.c (tree_class_check_failed): Make second arg an int.
430 * tree.h: Update prototype.
432 2000-06-09 Geoff Keating <geoffk@cygnus.com>
434 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
435 of an error_mark_node.
437 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
439 * config/avr/avr.c (asm_output_section_name): bugfix.
441 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
443 * timevar.def: Add TV_EXPAND.
444 * timevar.c (timevar_print): Update timing information.
445 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
447 * stmt.c (expand_return): Check for error_mark_node.
449 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
451 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
453 * scan-types.sh (VALUE) Wrap use with double quotes to protect
454 variable against filename expansion when it contains "char *".
456 * system.h (SSIZE_MAX): Delete backup definition.
458 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
459 instead of SSIZE_MAX.
461 2000-06-09 Jakub Jelinek <jakub@redhat.com>
463 * configure.in: Check whether gas supports -relax.
464 * configure, config.in: Rebuilt.
465 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
466 (EXTRA_SPECS): Add asm_relax.
467 (ASM_SPEC): Add %(asm_relax).
468 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
469 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
470 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
471 (ASM_SPEC): Add %(asm_relax).
472 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
473 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
474 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
475 instead of mov, so that gas can further optimize it.
477 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
479 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
481 (value_format, case dw_val_class_const): Use sdata format.
482 (output_die): Call output_sleb128.
484 2000-06-08 James E. Wilson <wilson@cygnus.com>
486 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
487 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
488 ASM_OUTPUT_DWARF_CONST_DOUBLE.
489 (output_die, case dw_val_class_unsigned_const): Correct call to
490 ASM_OUTPUT_DWARF_DATA8.
491 (output_die, case dw_val_class_long_long): Use
492 ASM_OUTPUT_DWARF_CONST_DOUBLE.
493 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
496 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
497 (output_function_prologue): Fix mispelling.
498 (output_function_prologue, output_function_epilogue): Reorder to
499 match ia64.c definition order.
500 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
501 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
502 Use r3 instead of r2 for large stack restores.
503 (ia64_output_end_prologue): New function.
504 (process_set): Emit ".restore sp" for epilogue stack restores.
505 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
507 2000-06-08 Jakub Jelinek <jakub@redhat.com>
509 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
512 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
514 * frame.c (end_fde_sort): Remove extraneous erratic array test.
516 2000-06-08 Denis Perchine <dyp@perchine.com>
518 * frame.c (start_fde_sort): Don't malloc (0).
520 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
522 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
524 * print-tree.c (print_node): The transparent_union_flag means
525 different things for unions and arrays. Do not inspect it
526 with TYPE_TRANSPARENT_UNION.
528 2000-06-06 Jakub Jelinek <jakub@redhat.com>
530 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
533 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
535 * config/avr/avr.c (asm_output_section_name): output section
537 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
539 2000-06-06 James E. Wilson <wilson@cygnus.com>
541 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
542 fields into header field.
543 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
544 macros to access length, flags, and version info from header field.
545 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
546 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
547 (__do_global_ctors_aux): Fix caller.
548 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
549 prologue_flag to header. Pass to read_P_record.
550 (read_P_record): New argument header. Implement P4 format.
551 Multiply P7_T_SIZE by 16.
552 (execute_one_ia64_descriptor): New static local region_header. Pass to
553 get_unwind_record. Copy r to region_header if r is a header record.
554 (print_all_records): Likewise.
555 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
556 (__get_personality, __get_except_table): Likewise.
557 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
559 2000-06-06 Philipp Thomas <pthomas@suse.de>
561 * configure.in (AC_C_INLINE): Added.
562 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
563 * configure: Regenerate.
565 2000-06-06 Mark Mitchell <mark@codesourcery.com>
567 * c-common.h (c_language_kind): New type.
568 (c_language): New variab.e
569 * c-common.c (lang_get_alias_set): Don't put structures in
570 non-zero alias sets in C++.
571 * c-decl.c (c_language): Define it.
572 * c-lex.c (doing_objc_thang): Remove.
573 * c-tree.h (doing_objc_thang): Make it a macro.
574 * objc/objc-act.c (lang_decode_option): Set c_language, not
577 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
579 * diagnostic.c (output_maximum_width): Remove.
580 (doing_line_wrapping): Tweak.
581 (diagnostic_buffer): New object.
582 (global_output_buffer): New object.
583 (output_destroy_prefix): New function.
584 (default_initialize_buffer): Likewise.
585 (reshape_diagnostic_buffer): Likewise.
586 (initialize_diagnostics): Likewise.
587 (output_clear): Tweak.
588 (line_wrapper_printf): Adjust call to init_output_buffer.
589 (vline_wrapper_message_with_location): Likewise. Use
590 output_destroy_prefix.
591 (v_message_with_decl): Likewise.
593 * diagnostic.h (struct output_buffer): Constify prefix.
594 (init_output_buffer, output_get_prefix): Constify.
595 (diagnostic_message_length_per_line): Likewise.
596 (reshape_diagnostic_buffer): Declare.
597 (default_initialize_buffer): Declare.
598 (initialize_diagnostics): Declare.
599 (diagnostic_buffer): Declare new obbject.
601 * toplev.c: #include diagnostic.h
602 (display_help): Document diagnostic formatting options.
603 (decode_f_option): Handle diagnostic formatting options.
604 (main): Setup initialization for diagnostic messages outputter.
606 * toplev.h (set_message_length): Remove.
608 * Makefile.in (toplev.o): Depends upon diagnostic.h
610 * invoke.texi : Document diagnostics formatting options.
612 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
614 * configure.in (Make the links): Typo fix : the file that must be
615 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
616 * configure: File rebuilt.
618 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
620 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
621 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
623 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
624 emergency eh_context buffer, if malloc fails.
625 (__eh_free): Moved from cp/exception.cc. Release to emergency
626 eh_context buffer, if appropriate.
628 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
630 * expr.c (store_expr): Fix typo.
632 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
634 * m68k.c (legitimize_pic_address): Move prototype ...
636 * m68k-protos.h (legitimize_pic_address): ... here.
638 * m68k.md (legitimize_pic_address): Delete prototypes.
639 (untyped_call): Invoke GEN_CALL(), not gen_call().
641 * nextstep.c: Include system.h and toplev.h.
642 (get_directive_line): Don't prototype.
643 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
645 * nextstep.h (handle_pragma): Prototype.
646 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
647 objc_section_init ...
648 (EXTRA_SECTION_FUNCTIONS): ... here.
650 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
652 * sdbout.c (struct sdb_file): NAME now const.
653 (sdbout_init): input_file_name now const.
654 (sdbout_start_new_source_file): FILENAME now const.
655 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
657 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
659 * c-typeck.c (build_conditional_expr): Handle complex data types.
661 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
663 * explow.c (maybe_set_unchanging): New function, broken out from...
664 (set_mem_attributes): Here.
665 * expr.h: Declare it.
666 * stmt.c (expand_decl): Call it.
668 2000-06-05 Richard Henderson <rth@cygnus.com>
670 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
671 while looking for a register to inherit from.
673 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
675 * Makefile.in (libgcc.ready): Lose.
676 (libgcc.mk): Just use mv, not move-if-change.
677 (LIBGCC_DEPS): New macro.
679 (stmp-multilib): Likewise.
680 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
681 it rather than the directories themselves.
682 (LIB2ADD): Depend on the list file rather than 'force'.
684 * fold-const.c (fold, case COND_EXPR): Elide conversion between
685 cv-qualified versions of types.
687 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
689 * config/sparc/sparc.c (short_branch): Correct error in range
692 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
694 * fixinc/inclhack.def: New include hacks for ultrix.
695 * (nested_ultrix): Replaced by ultrix_nested_svc.
696 * (ultrix_atof_param): test_text string added.
697 * (ultrix_ifdef): Modified select string.
699 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
701 * objc/objc-act.c (generate_method_descriptors): Register
702 objc_method_prototype_template as a GC root.
703 (comp_method_with_proto): Register function_type as a GC root.
704 (comp_proto_with_proto): Replace function_type1 and
705 function_type2 with a two-element array; register it as a GC root.
707 (generate_protocols, build_protocol_initializer,
708 generate_protocol_list, build_category_initializer,
709 build_shared_structure_initializer): Do not cache cast_type
712 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
714 * function.c (assign_parms): Add missing argument to set_mem_attributes
717 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
719 * tree.h (VOID_TYPE_P): New macro.
720 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
721 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
722 (get_parm_info): Likewise.
723 (store_parm_decls): Likewise.
724 (combine_parm_decls): Likewise.
725 (finish_function): Likewise.
726 * c-typeck.c (build_function_call): Likewise.
727 (build_binary_op): Likewise.
728 (build_conditional_expr): Likewise.
729 (internal_build_compound_expr): Likewise.
730 (convert_for_assignment): Likewise.
731 * stmt.c (expend_expr_stmt): Likewise.
732 (warn_if_unused_value): Likewise.
733 (expand_return): Likewise.
734 * c-parse.in (primary): Likewise.
735 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
736 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
738 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
740 * alias.c (get_alias_set): If compnent is addressable, use alias
742 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
743 (grokdeclarator): Likewise.
744 * c-typeck.c (common_type): Likewise.
746 2000-06-04 Alex Samuel <samuel@codesourcery.com>
748 * Makefile.in (OBJS): Remove dyn_string.o
749 (dyn-string.o): Delete rule.
750 * dyn-string.c: Delete file
751 * dyn-string.h: Likewise.
753 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
755 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
758 2000-06-03 Geoff Keating <geoffk@cygnus.com>
760 * alias.c (record_component_aliases): Don't inspect
761 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
763 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
765 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
766 it with the pattern to do machine dependent work.
767 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
768 use it to modify the true/false tests used in conditional
769 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
770 defined, invoke them if the conversion to conditional execution
771 was successful or not.
773 * tm.texi (IFCVT_MODIFY_TESTS): Document.
774 (IFCVT_MODIFY_INSN): Ditto.
775 (IFCVT_MODIFY_FINAL): Ditto.
776 (IFCVT_MODIFY_CANCEL): Ditto.
778 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
780 * toplev.c (main): Fix misspellings of possibility and language.
782 2000-06-03 Richard Henderson <rth@cygnus.com>
784 * alias.c (record_alias_subset): Initialize has_zero_child in the
787 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
789 * arm.md (untyped_call): Use GEN_CALL macro.
791 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
793 * Makefile.in: Use $(MAKE) not "make"
795 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
797 * alias.c (struct alias_set_entry): New field has_zero_child.
798 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
799 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
801 Call record_component_aliases for aggregate types.
802 (record_alias_subset): Set has_zero_child.
803 (record_component_aliases, case ARRAY_TYPE): Do nothing if
804 TYPE_NONALIASES_COMPONENT.
805 (record_component_aliases, case RECORD_TYPE): Test
806 DECL_NONADDRESSABLE_P.
807 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
809 * calls.c (initialize_argument_information): Only test
810 TYPE_TRANSPARENT_UNION for UNION_TYPE.
811 * function.c (assign_parms): Likewise.
812 * integrate.c (function_cannot_inline_p): Likewise.
813 * stor-layout.c (finish_record_layout): Don't call
814 record_component_aliases.
815 * tree.h (struct tree_int_cst): Use struct tree_common.
816 (struct tree_real_cst, struct tree_string): Likewise.
817 (struct tree_complex, struct tree_identifier): Likewise.
818 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
819 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
820 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
821 (TYPE_NONALIASES_COMPONENT): New macro.
822 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
823 (DECL_NONADDRESSABLE_P): New macro.
824 (struct tree_decl): Reorder bits for clarity of how many left;
827 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
829 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
830 * mklibgcc.in (force): New target.
831 Make LIB2ADD stuff depend on it.
833 2000-06-02 Richard Henderson <rth@cygnus.com>
835 * alias.c (lang_get_alias_set): Remove.
836 (get_alias_set): Call it directly, not indirectly.
837 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
838 * c-common.h (c_get_alias_set): Don't declare.
839 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
840 * expr.h (lang_get_alias_set): Declare as function, not pointer.
842 2000-06-02 Bruce Korb <bkorb@gnu.org>
844 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
845 (server_setup): define the server's master pid
846 (close_server): actually do the deed IFF we are the server's master
848 2000-06-02 Jakub Jelinek <jakub@redhat.com>
850 * c-common.c (c_get_alias_set): Check whether signed_type did not
851 return its argument before calling get_alias_set on the result.
853 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
855 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
857 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
859 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
860 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
861 for TARGET_NOMACSAVE.
862 (NOMACSAVE_BIT): Define.
863 (TARGET_NOMACSAVE): Define.
864 (TARGET_SWITCHES): Add "nomacsave".
866 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
868 * sh.md (untyped_call): Remove excess parameters
870 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
872 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
873 match that used before the conversion to c_fix style.
874 * fixinc/fixincl.x: regenerate
876 2000-06-01 Stan Cox <scox@cygnus.com>
878 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
881 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
883 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
885 * cpplib.c (parse_include): Remove support for VAX-C
886 "#include starlet" misfeature.
888 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
890 * cppfiles.c: conditionally define O_BINARY.
891 (open_include_file): pass O_BINARY to open().
893 2000-06-01 Richard Henderson <rth@cygnus.com>
895 * i960.c (i960_br_predict_opcode): Remove.
896 (i960_print_operand) [+]: Emit branch prediction hints.
897 (i960_function_arg): Return early for VOIDmode.
898 (i960_round_align): Return early for incomplete types.
899 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
900 * i960.md (all conditional branches): Add "%+".
902 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
904 * alias.c (get_alias_set): Don't call language-specific routine more
905 than is needed and clean up code a bit.
906 * c-common.c (c_get_alias_set): All references whose type
907 is char get alias set 0, but character types need not.
908 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
909 (make_decl_rtl): Don't call it for FUNCTION_DECL.
911 2000-06-01 Bruce Korb <bkorb@gnu.org>
913 * fixinc/tests/base/...: new base result files
915 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
917 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
918 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
919 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
922 2000-06-01 Richard Henderson <rth@cygnus.com>
924 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
926 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
928 2000-05-31 Richard Henderson <rth@cygnus.com>
930 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
931 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
932 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
934 2000-05-31 Richard Henderson <rth@cygnus.com>
936 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
937 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
938 (ia64_print_operand) [+]: ... here. Use current_output_insn.
939 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
940 * config/ia64/ia64.md (all branch/call patterns): Use %+.
942 2000-05-31 Richard Henderson <rth@cygnus.com>
944 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
946 2000-05-31 Richard Henderson <rth@cygnus.com>
948 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
950 (find_if_block): Allow THEN with no outgoing edges.
951 * flow.c (merge_blocks_nomove): Remove a barrier not following
954 2000-05-31 Richard Henderson <rth@cygnus.com>
956 * flow.c (propagate_block): Move initialization of mem_set_list ...
957 (init_propagate_block_info): ... here. Also track blocks with
958 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
960 2000-05-31 Richard Henderson <rth@cygnus.com>
962 * jump.c (jump_optimize_1): Revert 05-18 change.
964 2000-05-31 Mark Mitchell <mark@codesourcery.com>
966 * invoke.texi: Remove documentation for -fguiding-decls.
968 2000-05-31 Richard Henderson <rth@cygnus.com>
970 * configure.in: Fix typo last change.
972 2000-05-31 Philipp Thomas <pthomas@suse.de>
974 * configure.in (enable-nls): Enable if build == host, i.e. when
975 not building a canadian cross compiler.
976 (enable-maintainer-mode): Added for use with i18n.
977 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
978 cross section of ALL_LINGUAS and LINGUAS.
979 * configure: Rebuild.
981 2000-05-31 Bruce Korb <bkorb@gnu.org>
983 * fixinc/check.tpl: rework to use test result tree
984 * fixinc/Makefile.in: change invocation of check script
985 * fixinc/check.diff: No longer needed
986 * fixinc/fixincl.x: regenerate
987 * fixinc/inclhack.def: add new tests
988 * fixinc/tests/base/arch/i960/archI960.h: New test result
989 * fixinc/tests/base/curses.h: modified test result
990 * fixinc/tests/base/stdio.h: ditto
991 * fixinc/tests/base/time.h: ditto
992 * fixinc/tests/base/sys/asm.h: ditto
993 * fixinc/tests/base/sys/stat.h: ditto
994 * fixinc/tests/base/sys/wait.h: ditto
996 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
998 * except.c (clear_function_eh_region): Do not free NULL.
1000 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1002 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
1003 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
1004 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
1005 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
1006 (find_base_decl): New function, from c_find_base_decl in c-common.c.
1007 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
1008 (get_alias_set): Likewise.
1009 Major rework to do more things and allow language-specific code
1010 to just handle special-cases.
1011 (record_alias_subset): Args are HOST_WIDE_INT.
1012 (record_component_alias): Local vars are HOST_WIDE_INT.
1013 Don't handle COMPLEX_EXPR.
1014 (get_varargs_alias_set): Moved from builtins.c.
1015 (get_frame_alias_set): New function.
1016 * builtins.c (expand_builtin_return_address): Use frame alias set.
1017 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
1019 (get_memory_rtx): Rework to use set_mem_attributes.
1020 (get_varargs_alias_set): Deleted from here.
1021 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
1022 (c_find_base_decl): Deleted from here.
1023 (c_get_alias_set): Remove many cases and rework to just handle
1025 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
1026 * c-decl.c (rtl.h, expr.h): Now included.
1027 (init_decl_processing): Call record_component_aliases on array types.
1028 (grokdeclarator): Likewise.
1029 Set TREE_ADDRESSABLE for all fields that are not bitfields.
1030 * c-typeck.c (common_type): Call record_component_aliases for array.
1031 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
1032 Set all save areas to the frame alias set.
1033 * calls.c (initialie_argument_information): Call set_mem_attributes.
1034 (compute_argument_addresses, expand_call): Likewise.
1035 * explow.c (set_mem_attributes): New function.
1036 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
1037 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
1038 LEN and OFFSET now HOST_WIDE_INT.
1039 (clear_by_pieces): Similar changes.
1040 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
1041 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
1042 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
1043 (clear_by_pieces_1): Likewise.
1044 (emit_push_insn): Call set_mem_attributes.
1045 (expand_expr, case INDIRECT_REF): Likewise.
1046 (expand_expr, case VAR_DECL): Call change_address.
1047 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
1049 (get_varargs_alias_set, get_frame_alias_set): New decls.
1050 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
1051 (new_alias_set, set_mem_attributes): Likewse.
1052 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
1053 (assign_stack_temp_for_type): Likewise.
1054 Can split slot even if alias set since can copy.
1055 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
1056 (assign_temp): Use host_integerp and tree_low_cst.
1057 (put_var_into_stack): Properly handle SAVE_EXPR.
1058 (put_addressof_into_stack): Likewise.
1059 (assign_parms): Call set_mem_attributes.
1061 (fix_lexical_address): Put reference to chain into frame alias set.
1062 (expand_function_start): Call set_mem_attributes.
1063 * integrate.c (expand_inline_function): Likewise.
1064 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
1065 * regmove.c (try_apply_stack_adjustment): Likewise.
1066 * reload.c (push_reload, make_memloc): Likewise.
1067 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
1068 * rtl.def (MEM): Update comment.
1069 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
1070 (move_by_pieces): Change length to HOST_WIDE_INT.
1071 (record_base_value, record_alias_subset): Delete from here.
1072 * stmt.c (expand_decl): Call set_mem_attributes.
1073 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
1074 * toplev.c (compile_file): Call init_alias_once earlier.
1075 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
1076 from here: now in alias.c.
1077 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
1078 (struct tree_decl): Likewise.
1079 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
1080 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
1081 (output_constant_def, force_const_mem): Likewise.
1083 * flow.c (propagate_block): If block has no successors, stores to
1084 frame are dead if not used.
1086 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
1088 * stmt (expand_end_case): Reorder conversion sequence for jump
1089 table to avoid extra truncations.
1091 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
1093 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
1094 in the block is more than just a simple conditional branch.
1095 (noce_process_if_block): Similarly.
1097 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
1099 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
1102 2000-05-30 Michael Meissner <meissner@redhat.com>
1104 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
1105 instructions. Treat LO_SUM operations as loading the full integer
1108 2000-05-30 Richard Henderson <rth@cygnus.com>
1110 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
1112 2000-05-30 Richard Henderson <rth@cygnus.com>
1114 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
1116 2000-05-30 Bruce Korb <bkorb@gnu.org>
1118 * fixinc/tests/*: Added expected result files for fixinc's make check
1119 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
1121 2000-05-30 Richard Henderson <rth@cygnus.com>
1123 * config/alpha/alpha.md (*setne_internal): Use match_operator
1124 instead of working down from insn.
1126 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1128 * invoke.texi (-Wtraditional): Update WRT function macros.
1130 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
1132 * except.c (free_exception_table): Do not free NULL.
1134 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
1136 * cpplib.c (do_if): Don't save and restore only_seen_white here.
1137 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
1140 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
1142 * flow.c (mark_used_reg): If a register is unconditionally live,
1143 remove any conditional death information.
1145 2000-05-29 Richard Henderson <rth@cygnus.com>
1147 * final.c (current_output_insn): New.
1148 (final_scan_insn): Set it.
1149 * output.h: Declare it.
1151 2000-05-29 Richard Henderson <rth@cygnus.com>
1153 * stor-layout.c (finalize_record_size): Fix typo.
1155 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
1158 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
1160 * cpplib.h (cpp_reader): Remove if_stack. Change
1161 potential_control_macro to a cpp_hashnode *. Add skipping flag.
1162 * cpphash.h (struct ihash): Change control_macro to a
1163 cpp_hashnode * and shorten name to cmacro.
1164 Add NEVER_REINCLUDE constant.
1166 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
1167 Examine the cmacro node directly, no need to call cpp_defined.
1168 (_cpp_execute_include, read_include_file): Set cmacro to
1169 NEVER_REINCLUDE, not U"".
1170 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
1171 (cpp_get_token): If pfile->skipping is true, discard text and
1172 keep scanning until we hit a directive; don't expand macros.
1174 * cpplib.c (struct if_stack): Remove if_succeeded, add
1175 was_skipping. Change control_macro to a cpp_hashnode * and
1176 shorten name to cmacro. Remove typedef IF_STACK.
1177 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
1178 (conditional_skip, skip_if_group,
1179 consider_directive_while_skipping): Delete.
1180 (push_conditional): New.
1181 (_cpp_handle_directive): Don't process directives other than
1182 conditionals if we are skipping.
1184 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
1185 Update to new scheme.
1186 (validate_else): Skip rest of line here, unconditionally.
1187 (_cpp_unwind_if_stack): The stack is per-buffer. Force
1188 pfile->skipping off.
1190 (all): Remove `scare quotes' from error messages.
1192 2000-05-29 Richard Henderson <rth@cygnus.com>
1194 * function.c (emit_return_into_block): New line_note arg; emit it.
1195 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
1196 for the close brace to accompany HAVE_return. Move all line notes
1197 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
1199 2000-05-29 Richard Henderson <rth@cygnus.com>
1201 * longlong.h [__alpha] (count_leading_zeros): New.
1202 (count_trailing_zeros): New.
1203 (COUNT_LEADING_ZEROS_0): New.
1205 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
1206 (alpha_split_conditional_move): New.
1207 * config/alpha/alpha-protos.h: Prototype them.
1208 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1209 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
1210 * config/alpha/alpha.md: Update ffs cix commentary.
1212 (*nabssf2, *nabsdf2): New.
1213 (*mov[qhsd]icc_internal): Use add_operand.
1214 (if_then_else constant splitters): New.
1215 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
1216 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
1218 2000-05-29 Richard Henderson <rth@cygnus.com>
1220 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
1221 a constant to NEG or NOT when conditions allow.
1223 * combine.c (combine_simplify_rtx): Don't create an if_then_else
1224 unless both args are general_operand. Don't canonicalize plus
1225 to ior unless it helps.
1227 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
1228 instead track register_life_up_to_date. Toggle no_new_pseudos
1231 2000-05-28 Geoff Keating <geoffk@cygnus.com>
1233 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
1234 so output_operand doesn't see them.
1236 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
1238 * lcm.c (make_preds_opaque): Fix comment.
1239 (optimize_mode_switching): Use NORMAL_MODE instead of
1240 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
1241 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
1242 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
1243 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
1244 (MODE_USES_IN_EXIT_BLOCK): Delete.
1245 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
1246 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
1247 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
1248 (MODE_NEEDED): Don't look for USE.
1249 (EPILOGUE_USES): Define.
1251 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
1253 * mklibgcc.in (all): Variable initialised to `libgcc'.
1255 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
1257 * toplev.h (skip_leading_substring): New macro.
1258 * toplev.c (decode_f_option): Use skip_leading_substring instead
1260 (decode_W_option): Likewise.
1262 2000-05-28 Nick Clifton <nickc@cygnus.com>
1264 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
1267 2000-05-28 Richard Henderson <rth@cygnus.com>
1269 * regclass.c (record_operand_costs): Protect reg_changes_size
1270 with CLASS_CANNOT_CHANGE_SIZE.
1272 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
1274 2000-05-28 Richard Henderson <rth@cygnus.com>
1276 * function.c (diddle_return_value): A pcc-style struct return
1279 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1281 * cppfiles.c: Read files in, using mmap if possible, then
1282 prescan them separately.
1283 (read_file, read_with_read): New functions.
1284 * cpplex.c: Don't define UCHAR_MAX.
1285 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
1288 * cppinit.c (handle_option): Automatically define __cplusplus,
1289 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
1290 the respective -lang switch.
1292 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
1293 prototype): Move to...
1294 * cpplib.h: ... here. Rename struct hashnode to struct
1295 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
1296 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
1298 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
1300 * config/rs6000/rs6000.md (movsi): Constify 'name'.
1302 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
1303 (class_can_change_size): New variable.
1304 (reg_changes_size): New variable.
1305 (init_reg_sets_1): Initialise class_can_change_size.
1306 (record_operand_costs): Remove subreg_changes_size.
1307 Don't pass it around. Instead update reg_changes_size.
1308 (regclass): Initialise and free reg_changes_size. If a register
1309 changes size, don't preference it to a class that contains
1310 registers that can't change size.
1311 (record_reg_classes): Don't look at subreg_changes_size.
1313 2000-05-27 Richard Henderson <rth@cygnus.com>
1315 * print-rtl.c (reg_names): Remove const.
1316 * regclass.c (reg_names): Likewise.
1317 * regs.h (reg_names): Likewise.
1318 * hard-reg-set.h (reg_names): Likewise.
1320 2000-05-27 Richard Henderson <rth@cygnus.com>
1322 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
1324 2000-05-27 Richard Henderson <rth@cygnus.com>
1326 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
1327 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
1328 (alpha_expand_prologue): Emit prologue_mcount if needed.
1329 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
1330 * config/alpha/alpha.md (prologue_mcount): New.
1331 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
1332 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
1333 * config/alpha/netbsd.h: Likewise.
1335 2000-05-27 Richard Henderson <rth@cygnus.com>
1337 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
1338 change to config/elfos.h.
1340 2000-05-27 Richard Henderson <rth@cygnus.com>
1342 * Makefile.in (resource.o): Depend on except.h.
1343 * except.h (output_exception_table_data): Prototype.
1344 * genconfig.c (gen_peephole2): Prototype.
1345 * genemit.c (main): Include ggc.h.
1346 * genoutput.c: Revert parts of last change: include errors.h
1347 (main): Set progname.
1348 * recog.c: Include hard-reg-set.h before recog.h.
1349 * resource.c: Include except.h.
1351 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
1353 (alpha_write_linkage): Protect with BUFSIZ.
1354 (alpha_need_linkage): Update prototype.
1355 * config/alpha/alpha.c (function_arg): Move VMS code here.
1356 (alpha_links_base): Remove.
1358 (mark_alpha_links_node, mark_alpha_links): New.
1359 (alpha_write_one_linkage): New.
1360 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
1361 (alpha_write_linkage): Use splay_tree_foreach.
1362 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
1363 to get the linkage symbol.
1364 (call_value_vms): Likewise.
1365 * config/alpha/elf.h (output_file_directive): Remove decl.
1366 (ctors_section, dtors_section): Prototype.
1367 (sbss_section, sdata_section): Prototype.
1368 * config/alpha/vms.h (FUNCTION_ARG): Remove.
1369 (readonly_section, link_section, literals_section): Prototype.
1370 (ctors_section, dtors_section): Prototype.
1371 (vms_valid_decl_attribute_p): Remove decl.
1372 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
1374 2000-05-27 Geoff Keating <geoffk@cygnus.com>
1376 * reload.c (get_secondary_mem): Don't widen floating-point modes.
1378 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
1379 substituting the REG in a (subreg:X (reg:Y ...)).
1381 2000-05-28 Neil Booth <NeilB@earthling.net>
1383 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
1384 first token of a line BOL. Update EOF code for this.
1385 Remove illegal directive check - it appears in the (not
1386 yet committed) caller.
1387 * cpplib.h (BOL): New flag.
1389 2000-05-28 Neil Booth <NeilB@earthling.net>
1391 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
1392 (_cpp_free_toklist): No comment space to free.
1393 (expand_comment_space): Remove.
1394 (save_comment_space): Place the comment in the current token and
1395 not in a separate comment space.
1396 (_cpp_lex_line): Save comments during plain code and #define
1398 * cpplib.h (struct _cpp_toklist): Remove comment space.
1400 2000-05-28 Neil Booth <NeilB@earthling.net>
1402 * cppexp.c (parse_assertion): Supply extra argument to
1404 * cpplib.c (do_assert, do_unassert): Similarly.
1405 * cpphash.h (_cpp_init_toklist) Update.
1406 (_cpp_expand_token_space): New.
1407 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
1408 * cpplex.c (_cpp_init_toklist): New argument.
1409 (parse_string2): New argument multiline_ok.
1410 (spell_token): Take a const cpp_token *.
1411 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
1412 (SPELL_ macros): Replace with enum.
1413 (expand_token_space): Replace with _cpp_expand_token_space.
1414 Take COUNT argument.
1415 (IS_DIRECTIVE): Update.
1416 (_cpp_lex_line): Update token structure before parsing number.
1417 Don't assume start at beginning of token list.
1418 (save_comment): Use INIT_TOKEN_NAME.
1420 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1422 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
1423 -Wmissing-prototypes.
1424 * configure: Regenerate.
1425 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
1427 * builtins.c, calls.c: Change all instances of gen_call_* or
1428 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
1429 * calls.c (struct_value_size_rtx): Separate definition from
1430 initialization to avoid unused variable warning.
1432 * genflags.c (gen_macro): New function.
1433 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
1434 (gen_nonproto): Delete.
1435 (gen_insn): Put all insns on the same obstack.
1436 (main): Generate prototypes for everything unconditionally.
1438 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
1439 out check for wchar_t.
1440 * acconfig.h: Add template for ssize_t. Remove @TOP@.
1441 * system.h: Add infrastructure for defining missing
1442 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
1443 definitions of UCHAR_MAX and SSIZE_MAX.
1444 * configure: Regenerate.
1445 * config.in: Regenerate.
1447 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
1448 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
1450 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
1451 libgcc2.a, or libgcc1.null.
1453 2000-05-27 Richard Henderson <rth@cygnus.com>
1455 * Makefile.in (recog.o): Don't depend on resource.h.
1456 * recog.c: Don't include resource.h.
1457 (recog_last_allowed_insn): Remove.
1458 (recog_next_insn): Remove.
1459 (struct peep2_insn_data): New.
1460 (peep2_insn_data, peep2_current): New.
1461 (peep2_next_insn): New.
1462 (peep2_regno_dead_p, peep2_reg_dead_p): New.
1463 (peep2_find_free_register): New.
1464 (peephole2_optimize): Track life information by insn as we go.
1465 * recog.h: Update declarations.
1466 * resource.c (find_free_register, reg_dead_p): Remove.
1467 * resource.h: Remove their declarations.
1468 * toplev.c: Include hard-reg-set.h before recog.h.
1470 * genconfig.c (max_insns_per_peep2): New.
1471 (gen_peephole2): New.
1473 * genemit.c (output_peephole2_scratches): Generate calls to
1474 peep2_find_free_register; adjust surrounding code.
1475 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
1476 * genrecog.c (change_state): Don't track last_insn.
1477 (write_action): Write into *_pmatch_len before accepting.
1478 (write_tree): Adjust peephole2_insns and subroutines to match.
1480 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
1482 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
1483 (hard_int_register_operand): New.
1484 * config/alpha/alpha-protos.h: Declare it.
1485 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1486 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
1487 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
1489 2000-05-27 Richard Henderson <rth@cygnus.com>
1491 * function.c (thread_prologue_epilogue_insns): Don't move the
1492 line note at the head of the chain. Only force a lineno note
1493 before the end of block 0.
1495 2000-05-27 Richard Henderson <rth@cygnus.com>
1497 * gensupport.c (collect_insn_data): Record the maximum number
1498 of alternatives, not the last seen.
1500 * genoutput.c: Don't include errors.h.
1501 (struct data): Add lineno member.
1503 (scan_operands): Use message_with_line instead of error.
1504 (validate_insn_alternatives): Likewise.
1505 (gen_insn): Accept and store the pattern's line number.
1506 (gen_peephole, gen_expand, gen_split): Likewise.
1507 (main): Don't set progname. Pass line_no to gen_foo.
1509 2000-05-27 Richard Henderson <rth@cygnus.com>
1511 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
1512 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
1513 * config/d30v/d30v.md (attr predicable): New.
1514 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
1515 (andsi3*): Unify into one pattern.
1516 (iorsi3*, xorsi3*): Likewise.
1517 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
1519 (old cond_exec patterns): Remove.
1520 (define_cond_exec): New.
1522 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1524 * tree.h (TREE_CODE_LENGTH): New macro.
1525 * c-common.c (c_find_base_decl): Use it.
1526 * expr.c (safe_from_p): Likewise.
1527 * print-tree.c (print_node): Likewise.
1528 * tree.c (make_node, copy_node, get_identifier): Likewie.
1529 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
1530 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
1531 * fold-const.c (make_range): Likewise.
1532 (fold): Likewise; also use first_rtl_op.
1533 * c-iterate.c (collect_iterators): Use first_rtl_op.
1534 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
1535 Use IS_EXPR_CODE_CLASS.
1536 (preexpand_calls): Likewise.
1537 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
1538 and TREE_CODE_LENGTH.
1539 * stmt.c (warn_if_unused_value): If no operands, no unused value.
1541 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
1543 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
1545 (movdi_internal64): Likewise.
1547 * config/rs6000/rs6000.md: Correct order of operands for DImode
1550 * config/rs6000/rs6000.c (boolean_or_operator): New function.
1551 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
1552 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
1553 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
1554 boolean_operator for the boolean patterns without NOTs.
1556 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
1557 from reg_or_u_cint_operand. Change comment and behaviour.
1558 (logical_operand): Clean up, add assertion.
1559 (non_logical_cint_operand): Also check for
1560 reg_or_logical_cint_operand.
1561 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
1562 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1568 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1570 * tree.h (struct record_layout_info): Rename to (struct
1571 record_layout_info_s).
1572 * stor-layout.c (start_record_layout): Replace
1573 `record_layout_info' with `record_layout_info_s'.
1575 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1577 * flow.c (find_label_refs): New function.
1578 (find_basic_blocks_1): Call it for each alternative of a call
1581 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1583 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1586 2000-05-25 Richard Henderson <rth@cygnus.com>
1588 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1589 so strict about DImode.
1590 (alpha_swapped_comparison_operator): Likewise.
1591 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1592 any integer output mode.
1593 (*setcc_internal): Likewise.
1594 (*setcc_swapped_internal): Likewise.
1595 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1596 (*mov[qhs]icc_internal): New.
1597 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1599 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1601 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1603 2000-05-25 Richard Henderson <rth@cygnus.com>
1605 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1606 Remove add_jump; add next; replace flags with visited.
1608 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
1609 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
1610 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
1611 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
1613 (reorder_index, reorder_last_visited): Remove.
1614 (skip_insns_after_block): Rewrite to use a switch.
1615 (get_common_dest): Remove.
1616 (chain_reorder_blocks): Remove.
1617 (record_effective_endpoints): Split out from reorder_basic_blocks.
1618 (make_reorder_chain): Likewise. Loop until all blocks are placed.
1619 (make_reorder_chain_1): Renamed from old make_reorder_chain.
1620 Only construct the reorder chain, do not move insns. Try harder
1622 (label_for_bb, emit_jump_to_block_after): New.
1623 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
1624 and adjust the jump insns appropriately. Fixup basic_block_info.
1625 (verify_insn_chain): Always define.
1626 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
1628 (make_new_scope): Don't write zeros to calloc'd space.
1629 (build_scope_forest): Rely on xrealloc to DTRT.
1630 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1631 profile_arc_flag. Streamline EH test.
1633 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1634 * basic-block.h: Declare them.
1636 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1638 * emit-rtl.c (reset_used_decls): New function.
1639 (unshare_all_rtl_again): Call it.
1641 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1643 * cpplex.c (maybe_macroexpand): Warn about function-like
1644 macros used in non-function context, if -Wtraditional.
1646 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1648 * recog.c (peephole2_optimize): Use INSN_P.
1650 2000-05-25 Richard Henderson <rth@cygnus.com>
1652 * ifcvt.c (seq_contains_jump): New.
1653 (noce_try_store_flag_constants): Use it to fail conversion.
1654 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1656 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1658 * except.h (can_throw): Declare it.
1659 * except.c (can_throw): Give it external linkage.
1660 * resource.c (find_dead_or_set_registers): Use can_throw.
1662 2000-05-25 Richard Henderson <rth@cygnus.com>
1664 * flow.c (mark_set_1): Don't record conditionally dead memory.
1666 2000-05-25 Jan Hubicka <jh@suse.cz>
1668 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1669 and pc_set at the place of simplejump_p and condjump_p.
1670 * cse.c (record_jump_equiv): Likewise.
1671 * emit-rtl.c (emit): Likewise.
1672 * explow.c (find_next_ref): Likewise.
1673 * flow.c (tidy_fallthru_edge): Likewise.
1674 (init_propagate_block_info): Likewise.
1675 * gcse.c (delete_null_pointer_checks): Likewise.
1676 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1677 dead_or_predicable): Likewise.
1678 * integrate.c (copy_insn_list): Likewise.
1679 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1680 for_each_insn_in_loop, check_dbra_loop, get_condition,
1681 insert_bct, load_mems): Likewise.
1682 * resource.c (find_dead_or_set_registers): Likewise.
1683 * sibcalls.c (simplejump_p): Likewise.
1684 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1686 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1688 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1689 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1691 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1692 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1693 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1694 * rs6000.md: Name various internal patterns.
1696 2000-05-25 Jan Hubicka <jh@suse.cz>
1698 * jump.c (invert_exp_1): Remove first argument, use pc_set
1699 to get the expression.
1700 (redirect_exp): Make static; redirect only the pc_set expression,
1701 remove first argument.
1702 (invert_exp): Remove first argument, make static.
1703 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1704 any_onlyjump at most places where we originaly did condjump_p
1706 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1707 (delete_barrier_succesors): Use pc_set.
1708 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1709 calls of invert_exp and redirect_exp.
1710 * rtl.h (redirect_exp, invert_exp): Remove.
1711 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1713 2000-05-25 Richard Henderson <rth@cygnus.com>
1715 * stmt.c (expand_end_bindings): Fix thinko last change.
1717 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1718 Andrew Haley <aph@cygnus.com>
1720 * except.c (func_eh_entry): Add emitted field.
1721 (new_eh_region_entry): Set emitted field to 0;
1722 (output_exception_table_entry): Only emit previously un-emitted data,
1723 and send it to the eh_data section.
1724 (output_exception_table): Break out common parts. Output
1725 exception table for entire compilation unit to eh_data section.
1726 (output_exception_table_data): Common parts of output_exception_table.
1727 Send output to eh_data section.
1728 (output_function_exception_table): Output exception table data for
1729 a single function to eh_data section.
1730 (free_exception_table): New external to free the table.
1731 * except.h (free_exception_table): Add prototype.
1732 (output_function_exception_table): Add prototype.
1733 * final.c (final_end_function): Output function exception table
1734 for IA64_UNWIND_INFO.
1735 (final_scan_insn): Emit any unwind directives for an insn.
1737 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1739 * frame.c: Remove all DWARF 2 specific code.
1740 * config/ia64/frame-ia64.c: New file.
1741 (gthread_stuff): Make all gthread available with
1743 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1744 (__register_frame_info, __register_frame): Move to common area of file.
1745 (__register_frame_info_table, __register_frame_table): Move to common i
1747 (__deregister_frame_info, __deregister_frame): Move to common area.
1748 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1749 (read_uleb128): New version for ia64.
1750 (get_unwind_record): Read the next IA-64 unwind record.
1751 (read_R_record): Read a region header record.
1752 (process_a_b_reg_code): X record helper.
1753 (read_X_record): Read an X format record.
1754 (read_B_record): Read a B format record.
1755 (P3_record_types): List of record types matching the P3 format.
1756 (P7_record_types): List of record types matching the P7 format.
1757 (P8_record_types): List of record types matching the P8 format.
1758 (read_P_record): Read a P format record.
1759 (init_ia64_reg_loc): Set default fields for a register.
1760 (init_ia64_unwind_frame): Set defaults for all register records.
1761 (execute_one_ia64_descriptor): Execute one descriptor record.
1762 (rse_address_add): Calculate the position of a local reg in memory.
1763 (normalize_reg_loc): Turn a location descriptor into a memory address.
1764 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1765 within a specified PC offset range.
1766 (get_real_reg_value): Given a register location, retrieve its value.
1767 (set_real_reg_value): Change the value of a register location.
1768 (copy_reg_value): Copy reg values, if needed.
1769 (copy_saved_reg_state): Copy all registers that need to be copied.
1770 (process_state_between): Normalize all frame register records that
1771 fall within the specified PC range.
1772 (frame_translate): Take a processed frame description, and turn
1773 everything into addresses.
1774 (build_ia64_frame_state ): Find and create frame state record for a PC.
1775 (get_personality): Get the personality routine for a given frame.
1776 (get_except_table): Get the exception table for a given frame.
1777 (record_name): Unwind record names for debugging.
1778 (print_record): Print and unwind record.
1779 (print_all_records): Print an entire unwind image.
1780 (__ia64_backtrace): Print a backtrace.
1781 (ia64_backtrace_helper): New function.
1782 (__register_frame_info_aux): New function.
1783 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1785 * frame.h (enum unw_record_type): New unwind record types.
1786 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1787 (struct unw_r_record, unwind_record): New unwind record structs.
1788 (struct unwind_info_ptr): Unwind information layout.
1789 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1791 (struct ia64_reg_loc): Register location description.
1792 (struct ia64_frame_state): Location of all registers in a frame.
1793 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1794 * libgcc2.c (__ia64_personality_v1): Personality routine.
1795 (__calc_caller_bsp): Calculate the bsp register for the caller's
1797 (ia64_throw_helper): Figure out who to return to and set up the
1799 (__throw): Throw routine.
1801 * output.h (assemble_eh_align, assemble_eh_label): New functions
1802 to generate EH info where we want it.
1803 (assemble_eh_integer): New function.
1804 * toplev.c (compile_file): Output module level exception table for
1806 (main): Set exceptions_via_longjump and flag_new_exceptions based
1807 on IA64_UNWIND_INFO too.
1809 * varasm.c (assemble_eh_label): Generate a label via
1810 ASM_OUTPUT_EH_LABEL if it has been specified.
1811 (assemble_eh_align): Generate an alignment directive via
1812 ASM_OUTPUT_EH_ALIGN if it has been specified.
1813 (assemble_eh_label): Generate an integer value via
1814 ASM_OUTPUT_EH_type if they have been specified.
1815 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1816 (ia64_init_builtins): Add __builtin_ia64_bsp
1817 and __builtin_ia64_flushrs.
1818 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1819 IA64_BUILTIN_FLUSHRS.
1820 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1821 IA64_BUILTIN_FLUSHRS.
1823 * config/ia64/ia64.md (flushrs): New insn to flush the register
1824 stack. Add to unspec list.
1826 * config/ia64/crtbegin.asm (frame_object): Change size.
1827 (__do_frame_setup_aux): New function.
1828 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1829 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1830 * Makefile.in (LIB2ADDEH): Add.
1831 (LIB2ADD): Use LIB2ADDEH.
1833 2000-05-24 Richard Henderson <rth@cygnus.com>
1835 * recog.c (offsettable_address_p): If mode size is zero, assume
1838 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1840 * configure.in: Check for -Wno-long-long option support and improve
1841 handling of warning CFLAGS for stages 1 and 2.
1842 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1843 * configure: Regenerate.
1845 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1847 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1848 * contrib.texi: New file.
1850 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1852 * loop.c (basic_induction_var): Avoid double recording of an increment.
1854 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1856 * Back out this patch:
1857 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1858 * loop.h (struct induction): Add multi_insn_incr.
1859 * loop.c (basic_induction_var): New multi_insn_incr argument.
1860 Set it if we search back through previous insns for the biv.
1861 (record_biv): New multi_insn_incr argument; fill in struct induction.
1862 (strength_reduce): Discard an iv with multiple bivs, any of
1863 which require multiple insns to increment.
1865 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1867 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1869 * rtl.h (loc_mentioned_in_p): Declare.
1870 * reload.c (loc_mentioned_in_p): Moved from here...
1871 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1872 Fix loop increment for 'E' handling.
1873 * loop.c (strength_reduce): When doing biv->giv conversion,
1874 take multi-insn biv increments into account.
1876 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1878 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1881 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1883 * calls.c (expand_call): Handle cleanups in tail-recursion
1884 arguments analagously to cleanups in sibling calls.
1886 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1888 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1889 All callers changed.
1891 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1893 * expr.c (expand_assignment, store_expr, expand_expr,
1894 expand_expr_unaligned): Set in_check_memory_usage while emitting
1895 chkr_check_addr libcall.
1897 2000-05-24 Nick Clifton <nickc@cygnus.com>
1899 * fold-const.c (extract_muldiv): When constructing a
1900 multiplier/divisor, do not expect const_binop to correctly
1901 determine if overflow has occured, so check explicitly.
1903 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1905 * c-decl.c (build_enumerator): Don't modify the value's type,
1908 2000-05-24 Andreas Jaeger <aj@suse.de>
1910 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1912 2000-05-24 Eric Christopher <echristo@cygnus.com>
1914 * configure.in: Redefine inhibit_libc conditions.
1915 * libgcc2.c: Remove inhibit_libc conditional define.
1916 * configure: Regenerate.
1918 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1920 * configure.in: For --enable-languages=LIST, check for empty LIST.
1921 * configure: Regenerate.
1923 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1925 * pdp11.h (STACK_BOUNDARY): Define.
1927 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1929 * ifcvt.c (if_convert): Update life info globally.
1931 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1933 * emit-rtl.c (unshare_all_decls): New function.
1934 (unshare_all_rtl): Call it.
1936 2000-05-23 Nick Clifton <nickc@cygnus.com>
1938 * configure.in: Treat 'strongarm' as if it were 'arm' when
1939 determining cpu type.
1941 * configure: Regenerate.
1943 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1944 where constant strings are involved.
1946 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1949 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1950 cases where constant strings are involved.
1952 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1954 * config/sh/sh.c (gen_far_branch, split_branches): Update
1955 to reflect new prototypes for redirect_jump and invert_jump.
1956 (sh_insn_length_adjustment): Get rid of const warnings.
1958 2000-05-23 Kazu Hirata <kazu@hxi.com>
1960 * invoke.texi (Options for Debugging Your Program or GCC): Update
1961 the names of dump files.
1963 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1965 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1966 * configure: Regenerated.
1968 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1970 * simplify-rtx.c (SIGN_EXTEND): New macro.
1971 (simplify_unary_operation, simplify_binary_operation,
1972 simplify_relational_operation): Use SIGN_EXTEND. Make low
1973 halves of (low, high) pairs unsigned if they weren't already.
1974 (simplify_ternary_operation): Cast INTVAL to unsigned before
1975 comparing to a MODE_BITSIZE.
1977 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1979 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1980 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1982 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1983 gcc_AC_NEED_DECLARATIONS.
1985 * dwarfout.c: Don't prototype time().
1987 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1989 * system.h: Likewise.
1991 * toplev.c: Likewise.
1993 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1995 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1997 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1999 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
2001 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
2003 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
2005 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2007 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
2008 (alpha_start_function): Never write ..ng label if VMS or NT.
2009 (alpha_align_insns): Remove GP_IN_USE arg.
2010 Alignment now unsigned.
2011 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
2012 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
2013 and two define_insn's.
2015 2000-05-22 Richard Henderson <rth@cygnus.com>
2017 * combine.c (simplify_comparison): Use trunc_int_for_mode.
2019 2000-05-22 Richard Henderson <rth@cygnus.com>
2021 * stor-layout.c (place_field): Change rli->size to rli->offset.
2023 2000-05-22 Richard Henderson <rth@cygnus.com>
2025 * function.c (thread_prologue_and_epilogue_insns): Make sure
2026 existing line number notes appear after the prologue.
2028 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2030 * config/alpha/alpha.c (alpha_fnname): New static variable.
2031 (print_operand, case '~'): New case.
2032 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
2033 (alpha_start_function): Set alpha_fnname.
2034 Write "ng" label if no ldgp; don't write ldgp insn.
2035 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
2036 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
2038 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
2040 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
2043 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
2045 * varasm.c (eh_frame_section): Revert change to argument list.
2047 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2049 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
2050 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
2052 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
2053 dangling "else" that causes "break" to be conditional.
2054 Also remove unneeded code at start.
2056 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
2058 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
2059 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
2060 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
2062 2000-05-22 Jakub Jelinek <jakub@redhat.com>
2064 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
2067 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2069 * alias.c (record_component_aliases): New function.
2070 * tree.h: Clean up some declarations and comments.
2071 (record_component_aliases): New declaration.
2072 * tree.c (get_alias_set): If type and has alias set, use it.
2074 2000-05-22 Richard Henderson <rth@cygnus.com>
2076 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
2077 IF_THEN_ELSE to a setcc form.
2078 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
2080 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2082 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
2083 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
2085 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2087 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
2090 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2092 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
2093 * config/mn10300/mn10300.c (print_operand): Likewise.
2095 * final.c (split_double): Right shift of negative values is not
2098 * ifcvt.c (if_convert): Scan and kill dead code.
2100 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
2102 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
2104 * diagnostic.c: Eliminate implicit int.
2105 * except.c, gcc.c: Add static prototypes.
2106 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
2107 * gensupport.c (process_rtx): Use XVEC to initialize vector
2110 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
2111 debug_reg_names instead of static reg_names. If not, define
2113 * regclass.c: Don't define global reg_names unless
2114 DEBUG_REGISTER_NAMES is defined.
2116 * reload1.c (order_regs_for_reload): Remove unused variable.
2117 * varasm.c: Include output.h after defaults.h. Define
2118 eh_frame_section as function of no args, not of unspecified args.
2120 * gcc.c: Constify argbuf; arguments to store_arg,
2121 process_command, main; elements of struct command and struct
2122 switchstr; local variables in execute, process_command, main.
2124 2000-05-20 Bruce Korb <bkorb@gnu.org>
2126 * fixinc/inclhack.def: many applications of c_fix=format + tests
2127 * fixinc/check.diff: regenerated
2128 * fixinc/fixincl.x: regenerated
2130 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2132 * alias.c: Clarify some comments.
2133 (record_base_value): REGNO is unsigned.
2134 * rtl.h (record_base_value): Likewise.
2136 * alias.c (aliases_everything_p): Don't special-case QImode here.
2137 * c-common.c (c_get_alias_set): Do it here.
2138 Handle BIT_FIELD_REF by getting alias info for arg.
2141 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2143 * mklibgcc.in: Restore rule to create ${dir}.
2145 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
2147 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
2148 GCC_FOR_TARGET used by MULTILIBS.
2149 * mklibgcc.in: Make sure each .o file depends on the
2150 directory it will be in.
2151 Make the multilib directory depends libgcc.
2153 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
2155 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
2157 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
2159 * fold-const.c (make_range): Handle degenerated intervals.
2160 Fixes c-torture/execute/991221-1.c
2162 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2164 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
2165 * reload.c (find_equiv_reg): Likewise.
2166 * alias.c (init_alias_analysis): Likewise.
2167 Only call prologue_epilogue_contains on insns.
2168 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
2169 * bb-reorder.c (hard-reg-set.h): Include earlier.
2170 * haifa-sched.c (hard-reg-set.h): Likewise.
2171 * ifcvt.c (hard-reg-set.h): Likewise.
2172 * local-alloc.c (hard-reg-set.h): Likewise.
2173 * loop.c (hard-reg-set.h): Likewise.
2174 * predict.c (hard-reg-set.h): Likewise.
2175 * regrename.c (hard-reg-set.h): Likewise.
2176 * flow.c (hard-reg-set.h): Likewise.
2177 (reg_set_to_hard_reg_set): New function.
2178 * bitmap.c (regs.h, basic-block.h): No longer include.
2179 (bitmap.h): Now include.
2180 * conflict.c (hard-reg-set.h): Include.
2181 * profile.c (hard-reg-set.h): Likewise.
2182 * print-rtl.c (hard-reg-set.h): Likewise.
2183 * sbitmap.c (hard-reg-set.h): Likewise.
2184 * toplev.c (hard-reg-set.h): Likewise.
2185 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
2186 * hard-reg-set.h (reg_names): Now constant.
2187 * regs.h (reg_names): Likewise.
2188 * regclass.c (reg_names): Likewise.
2189 * loop.h (basic-block.h): No longer include.
2190 (bitmap.h): Now include.
2191 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
2192 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
2193 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
2195 2000-05-19 Jan Hubicka <jh@suse.cz>
2196 Richard Henderson <rth@cygnus.com>
2198 * basic-block.h (struct edge_def): New field "count".
2199 (struct basic_block_def): Likewise.
2200 * flow.c (entry_exit_blocks): Add count fileds.
2201 (split_edge): Keep count information up-to-date.
2202 (dump_edge_info, dump_flow_info): Dump count fields.
2204 * final.c (count_instrumented_edges): Rename to edge from arc.
2205 (end_final): Update users.
2206 * profile.c: Include expr.h, basic-block.h.
2207 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
2208 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
2209 (ignore_next_note, return_label_execution_count): Kill.
2210 (bbg_file_name, da_file_name): Kill.
2211 (edge_info, bb_info): New structures.
2212 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
2213 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
2214 (total_num_edges_instrumented): Likewise.
2215 (init_arc, expand_spanning_tree): Kill.
2216 (fill_spanning_tree, tablejump_entry_p): Kill.
2217 (instrument_edges): Rewrite from instrument_arcs to use
2218 commit_edge_insertions infrastructure.
2219 (compute_branch_probabilities): Remove arguments; rewrite for
2220 CFG infrastructure; use rtl_dump_file directly.
2221 (branch_prob, find_spanning_tree): Likewise.
2222 (union_groups, find_group): New.
2223 (init_branch_prob): Make bbg_file_name and da_file_name local.
2224 (end_branch_prob): Use rtl_dump_file directly.
2225 (init_edge_profiler): Rename to edge from arc.
2226 (output_arc_profiler): Kill.
2227 (gen_edge_profiler): New.
2228 (output_func_start_profiler): Turn off profiling. Make the
2229 constructor static when we can.
2230 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
2232 * toplev.c (DFI_flow): Remove.
2233 (DFI_cfg, DFI_life): New.
2234 (dump_file): Update accordingly.
2235 (compile_file): Call end_branch_prob if profile_arc_flag too.
2236 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
2237 profiling after the CFG is built. Move flow1 life analysis to
2238 DFI_life. Always estimate remaining probabilities.
2240 2000-05-19 Richard Henderson <rth@cygnus.com>
2242 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
2244 * flow.c (make_edges): The sibling call edge to exit is abnormal.
2246 2000-05-19 Richard Henderson <rth@cygnus.com>
2248 * jump.c (redirect_jump): Add delete_unused argument. Don't
2249 remove labels and code following when LABEL_NUSES goes to zero.
2250 (invert_jump): Likewise.
2251 (jump_optimize_1): Fix redirect/invert arguments.
2252 (do_cross_jump, thread_jumps): Likewise.
2253 * flow.c (split_edge): Likewise.
2254 * reorg.c (optimize_skip): Likewise.
2255 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
2256 * profile.c (instrument_arcs): Likewise.
2257 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
2258 * rtl.h: Update prototypes.
2260 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
2262 * ssa.c (convert_from_ssa): Tell life_analysis we need death
2264 (make_regs_equivalent_over_bad_edges): Only look at abnormal
2267 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
2269 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
2270 past l1 when deleting whitespace and markers.
2272 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
2273 * cpplib.c (do_unassert): Put the list to compare against on
2276 2000-05-19 Bruce Korb <bkorb@gnu.org>
2278 * fixinc/README: cleaned up old documentation
2279 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
2280 * fixinc/check.tpl: compute the list of needed directories
2281 emit "#if defined(name)" because of conflict
2282 omit machine name differences from output differences
2283 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
2284 (machine_name): change test text to use `sed' markers
2285 * fixinc/fixincl.x: regen
2287 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2289 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
2292 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2294 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
2295 it to match the current practice.
2297 2000-05-18 Mark Mitchell <mark@codesourcery.com>
2299 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
2301 2000-05-18 Richard Henderson <rth@cygnus.com>
2303 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
2304 * rtl.h (insn_dependant_p): Declare it.
2305 * loop.c (strength_reduce): Use it.
2307 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
2309 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
2310 16-bit and 64-bit clean-up.
2312 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
2314 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
2315 * configure: Rebuilt.
2317 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2319 * genopinit.c: Use $ for escape sequences in optab patterns.
2320 Remove backslashes from optab patterns. Change $A, $B, $C to
2321 expand to (int) whatever instead of just whatever; remove
2322 explicit (int) from all optab patterns.
2324 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
2325 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
2326 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
2327 genrecog.c: Remove private copies of xmalloc, xrealloc, and
2330 2000-05-18 Richard Henderson <rth@cygnus.com>
2332 * jump.c (jump_optimize_1): Base minimum insn count during
2333 find_cross_jump on BRANCH_COST.
2335 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2337 * print-rtl.c (print_rtx): Only print note line number as string
2338 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
2339 * final.c (final_scan_insn): Do nothing for note line number 0.
2341 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2343 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
2344 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
2345 NOTE_INSN_DELETED_LABEL.
2347 2000-05-18 Nick Clifton <nickc@cygnus.com>
2349 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
2350 uninitialised data in .rodata not .bss, and do not interpret an
2351 error in the initialisation value as meaning that the variable
2352 should be placed in the .bss section.
2354 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
2356 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
2357 not `$ac_cv_prog_cc_cc_c_o'.
2358 * configure: Regenerated.
2360 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2361 Richard Henderson <rth@cygnus.com>
2363 * c-common.h (enum c_tree_index): Add g77 type entries.
2364 (g77_integer_type_node, g77_uinteger_type_node): New.
2365 (g77_longint_type_node, g77_ulongint_type_node): New.
2366 * c-decl.c (init_decl_processing): Initialize them.
2368 2000-05-18 Richard Henderson <rth@cygnus.com>
2370 * config/h8300/h8300.md (subs patterns): Use %G to negate.
2372 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
2373 (small_power_of_two): Likewise; use exact_log2.
2374 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
2375 (output_adds_subs): Remove.
2376 (two_insn_adds_subs_operand): New.
2377 (split_adds_subs): New.
2378 * config/h8300/h8300-protos.h: Update.
2379 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
2380 (CONST_OK_FOR_L): Match strict adds operands.
2381 (CONST_OK_FOR_N): Match struct subs operands.
2382 * config/h8300/h8300.md (adds_subs insns): Remove.
2383 (addhi patterns): Output adds/subs directly.
2384 (addsi_h8300h): Likewise.
2385 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
2387 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2389 * cppexp.c (parse_assertion): New.
2390 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
2391 (_cpp_parse_expr): Remove case '#'. Don't set
2392 parsing_if_directive.
2393 * cpphash.c (collect_objlike_expansion,
2394 collect_funlike_expansion, collect_params,
2395 _cpp_create_definition): The list no longer has a trailing
2397 * cpphash.h (enum node_type): Add T_ASSERTION.
2398 (struct hashnode): Remove aschain, add pred.
2399 (struct predicate): New.
2402 * cpplex.c (expand_token_space): Handle both offset and
2404 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
2405 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
2406 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
2407 _cpp_equiv_toklists): New.
2408 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
2409 stop at any single-character token, not just newline.
2410 (_cpp_lex_token): Remove special cases for #define and #if.
2411 (cpp_get_token): Expect # as a separate token type. Remove
2413 (_cpp_get_directive_token): Remove DIRECTIVE case.
2414 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
2416 * cpplib.c (_cpp_check_directive): Set dirno and
2417 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
2418 (_cpp_handle_directive): Run # <number> through the same logic
2419 as normal directives.
2420 (do_define): Don't set parsing_define_directive. Use
2421 _cpp_scan_until. The list does not have a VSPACE at the end.
2422 (do_if): Save, clear, and restore only_seen_white around
2424 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
2425 (do_assert, do_unassert): Rewrite.
2427 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
2428 (LIST_OFFSET): New flag.
2429 (struct cpp_toklist): Replace dir_handler and dir_flags with
2431 (struct cpp_reader): Remove parsing_if_directive and
2432 parsing_define_directive.
2434 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2436 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
2437 following the cabs decl which terminate on the following line.
2438 Add the corresponding test_text case.
2440 2000-05-18 Neil Booth <NeilB@earthling.net>
2442 * cppinit.c (cpp_reader_init): Initialise col_adjust and
2443 default tab stop size.
2444 (no_num, OPT_ftabstop): New.
2445 (handle_option): Handle "ftabstop=" command-line option.
2446 (print_help): Document it.
2447 * cpplex.c (COLUMN): Remove.
2448 (handle_newline): Reset col_adjust.
2449 (skip_whitespace): Update col_adjust as tabs encountered.
2450 (_cpp_lex_line): Update to use col_adjust. Call
2451 skip_whitespace for all whitespace.
2452 * cpplib.h (struct cpp_options): New member tabstop.
2453 (struct cpp_reader): New member col_adjust.
2454 (CPP_BUF_COL): Update.
2455 (CPP_BUF_COLUMN): New.
2456 * cpp.texi: Document "-ftabstop=" command line option.
2458 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
2460 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
2462 * configure: Rebuilt.
2464 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
2466 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
2468 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
2469 HOST_BITS_PER_WIDE_INT is >= 64.
2471 2000-05-17 Richard Henderson <rth@cygnus.com>
2473 * jump.c (jump_optimize_1): Remove inactive but real insns
2474 in jump-to-next-insn optimization.
2476 2000-05-17 Richard Henderson <rth@cygnus.com>
2478 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
2479 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
2480 Don't call recompute_reg_usage if no_new_pseudos is true.
2481 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
2482 Return true if we did work; update global life information.
2483 * basic-block.h (optimize_mode_switching): Update decl.
2485 2000-05-17 Neil Booth <neilb@earthling.net>
2487 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
2489 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
2491 * cpplib.c: New feature, #pragma system_header.
2492 * cpp.texi: Document special treatment of system headers, and
2493 the various mechanisms to get a header that special treatment.
2495 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2497 * system.h (offsetof): Define at the very end, to ensure we prefer
2498 the platform's definition if available.
2500 2000-05-16 Bruce Korb <bkorb@gnu.org>
2502 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
2503 * fixinc/server.c: likewise
2504 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
2505 + #ifdef debugging code + use #def constant for
2507 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
2508 on C++ math namespace
2510 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2512 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
2513 Don't check the return value of sprintf. Use asprintf to avoid
2516 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
2518 * flags.h (warn_unused_function, warn_unused_label,
2519 warn_unused_parameter, warn_unused_variable, warn_unused_value):
2520 Replace ``warn_unused''.
2521 (set_Wunused): Add declaration.
2522 * toplev.c (set_Wunused): New function.
2523 (warn_unused_function, warn_unused_label, warn_unused_parameter,
2524 warn_unused_variable, warn_unused_value): New variables.
2525 (W_options): Add -Wunused-function, -Wunused-function,
2526 -Wunused-label, -Wunused-parameter, -Wunused-variable and
2527 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
2529 * toplev.c (decode_W_option): Update -Wunused flags by calling
2531 * c-decl.c (c_decode_option): Ditto for -Wall.
2533 * stmt.c (expand_expr_stmt, expand_expr_stmt,
2534 warn_about_unused_variables): Replace warn_unused with more
2535 explicit warn_unused_value et.al.
2536 * function.c (expand_function_end): Ditto.
2537 * c-typeck.c (internal_build_compound_expr,
2538 internal_build_compound_expr): Ditto.
2539 * c-decl.c (poplevel, pop_label_level): Ditto.
2540 * toplev.c (check_global_declarations): Replace warn_unused with
2541 check for either warn_unused_function or warn_unused_variable.
2543 * gcc.1, invoke.texi (Warning Options): Document
2544 -Wunused-function, -Wunused-function, -Wunused-label,
2545 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
2547 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
2549 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
2550 $(srcdir), not in the current directory.
2552 2000-05-16 Richard Henderson <rth@cygnus.com>
2554 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
2555 assembler supports it.
2556 (.fini, .init): Use a gp-relative indirect call.
2557 (__do_global_dtors_aux): Preserve the gp; rebundle.
2558 (__do_frame_setup): Likewise.
2559 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
2560 (.init): Use a gp-relative indirect call.
2561 (__do_global_ctors_aux): Preserve the gp.
2563 2000-05-16 Richard Henderson <rth@cygnus.com>
2565 * flow.c (commit_one_edge_insertion): Be prepared for a return
2566 insn to be inserted on the edge with a normal jump.
2567 * jump.c (jump_optimize_1): Don't look to create return isns.
2569 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2570 * jump.c (jump_optimize_1): Likewise.
2571 (returnjump_p): Verify the argument is a JUMP_INSN.
2572 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2574 2000-05-16 Nick Clifton <nickc@cygnus.com>
2576 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2577 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2578 (large_insn_p): Ditto.
2579 (m32r_is_insn): New function: Return true if the insn contains
2580 an executable instruction.
2581 (m32r_adjust_insn): Use m32r_is_insn.
2582 (m32r_sched_reorder): Use m32r_is_insn.
2583 (m32r_sched_variable_issue): Use m32r_is_insn.
2585 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2587 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2590 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2592 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2593 according to given options.
2595 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2597 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2598 if X has VOIDmode either.
2599 (LIMIT_RELOAD_CLASS): Similarly.
2601 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2602 not "general_operand" to match the processor's capabilities.
2604 2000-05-16 Bruce Korb <bkorb@gnu.org>
2606 * fixinc/README: corrected return address
2607 * fixinc/check.diff: regenerate, now that test works
2608 * fixinc/fixfixes.c(format_fix,format_write): reformatted
2609 (char_macro_def_fix,char_macro_use_fix): corrected and
2610 rewrote to use regex to parse the text
2611 * fixinc/inclhack.def: more testing
2612 * fixinc/fixincl.x: regenerated
2614 * fixinc/inclhack.def: added several "test_text" attributes
2615 changed several fixes to use `c_fix = format'
2616 re-alphabetized the fixes
2618 * fixinc/check.diff: regenerate
2619 * fixinc/fixincl.x: regenerate
2620 * fixinc/check.tpl: added `sparc' and `netinet' to the list
2624 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
2626 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2628 2000-05-15 Richard Henderson <rth@cygnus.com>
2630 * toplev.c (rest_of_compilation): Run full jump pass before
2631 find_basic_blocks of flow2.
2633 2000-05-15 Richard Henderson <rth@cygnus.com>
2635 * jump.c: Fix typos and clarify commentary from last change.
2636 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2637 (safe_to_remove_jump_p): Remove.
2638 (condjump_label): Use pc_set.
2640 2000-05-15 Richard Henderson <rth@cygnus.com>
2642 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2643 that get in the way after reload.
2644 (cond_exec_process_if_block): Skip a label heading THEN block.
2646 2000-05-15 Richard Henderson <rth@cygnus.com>
2648 * varasm.c (output_constant_pool): Abort instead of converting
2649 (improperly) deleted labels to zero.
2651 2000-05-16 Neil Booth <NeilB@earthling.net>
2653 * cpplex.c (parse_string2): Update comment.
2654 (cpp_lex_line): No special assertion treatment for '('.
2655 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2656 * cpplib.h (SYNTAX_ASSERT): Remove.
2658 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2660 * jump.c (condjump_p): Mark as depreached.
2661 (any_condump_p): New.
2662 (any_uncondump_p): New.
2664 (safe_to_remove_jump_p): New.
2665 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2666 safe_to_remove_jump_p): Declare.
2668 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2670 * calls.c: Re-install both patches reverted by last patch.
2671 (struct arg_data): New field tail_call_reg.
2672 (initialize_argument_information): Initialize tail_call_reg
2673 (load_register_parameters): New argument flags, use
2674 tail_call_reg when emiting tail call sequence.
2675 (expand_call): Update call of load_register_parameters;
2676 copy unadjusted_args_size to adjusted_args_size.
2678 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2680 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2681 and bct_p parameters to flags.
2682 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2683 * rtl.h (loop_optimize): Update prototype.
2684 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2686 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2688 * calls.c (expand_call): Move expand_start_target_temps call after
2691 2000-05-15 Neil Booth <NeilB@earthling.net>
2693 * cpphash.c (trad_stringify, warn_trad_stringify,
2694 collect_params): Make some pointers pointers to const.
2695 * cpplex.c (auto_expand_name_space) Guaranteed to always
2696 expand by at least one character.
2697 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2698 (struct token_spelling): Use const U_CHAR * rather than PTR.
2699 (expand_name_space): Fix up token pointers if name space
2700 is moved when expanding.
2701 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2702 parse_string2, save_comment, spell_token, cpp_output_list):
2703 Update so the routines handle tokens with a direct pointer to
2704 their text, rather than an offset into the token's list's namebuf.
2705 (_cpp_lex_line): Rearrange for clarity.
2707 * cpplib.c (_cpp_check_directive): Similarly.
2708 (do_define): Make SYM a pointer to const.
2709 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2710 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2711 (TOK_OFFSET): Delete.
2714 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2716 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2719 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2721 (logical_u_operand): Delete.
2722 (non_logical_cint_operand): Rewrite to take MODE into account.
2723 (non_logical_u_cint_operand): Delete.
2724 (boolean_operator): New function.
2725 (print_operand): Add new %q operand.
2726 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2727 remove logical_u_operand and non_logical_u_cint_operand,
2728 update logical_operand and non_logical_cint_operand.
2729 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2730 logical operations to use %q.
2732 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2733 (movdi): Make similar to movsi.
2734 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2735 is no such thing as a DImode CONST_DOUBLE.
2736 * config/rs6000/rs6000.c (output_toc): Likewise.
2738 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2739 codes when old mnemonics are in use. Print register names
2740 for cc registers when requested.
2742 * optabs.c (expand_float): Don't allow mode widening that causes
2745 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2746 flags to their current names -maix64 and -maix32.
2748 2000-05-14 Bruce Korb <bkorb@gnu.org>
2750 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2751 and/or after current text of file
2752 * fixinc/fixlib.c(must_malloc):
2753 * fixinc/fixlib.h(must_malloc): + reformatting
2754 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2755 with usages of ``c_fix = wrap;''
2756 Add several tests and use the ``c_fix = format'' fixer more.
2757 * fixinc/fixincl.x: regen
2758 * fixinc/check.diff: regen
2759 * fixinc/check.tpl: emit the associated header with the missing
2762 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2764 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2765 variables $src and $dst.
2767 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2769 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2770 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2771 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2772 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2774 (set_message_prefixing_rule): Declare.
2776 * diagnostic.c: (current_prefixing_rule): New variable.
2777 (set_message_prefixing_rule): Define.
2778 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2779 (init_output_buffer): Adjust Initialization.
2780 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2782 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2784 * ifcvt.c (if_convert): Do not free NULL.
2786 2000-05-12 Nick Clifton <nickc@cygnus.com>
2788 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2789 to move a double word value.
2790 (di_operand): New function: Return true if the operand is suitbale
2791 for a double word move operation.
2792 (nonimmediate_di_operand): New function: Return true if the
2793 operand is a DImode register or MEM.
2795 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2796 nonimmediate_di_operand.
2798 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2799 nonimmediate_di_operand.
2801 * config/fr30/fr30.md (movdi): New pattern. Required because
2802 other patterns generate DImode results.
2803 (movdi_insn): New pattern.
2805 2000-05-12 Richard Henderson <rth@cygnus.com>
2807 * config/alpha/alpha.c (struct shadow_summary): Define
2808 bitfields as type unsigned int.
2810 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2812 * config/avr/t-avr: Added definition of FLOAT while generates
2815 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2816 peepholes for tst+jump = sbrs/sbrc optimization.
2818 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2820 * expr.c (emit_push_insn): Do not adjust stack pointer when
2823 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2825 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2826 * system.h (offsetof): ... to here.
2828 2000-05-12 Richard Henderson <rth@cygnus.com>
2830 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2831 * final.c (final_end_function): Use app_disable. Rearrange note
2832 handling into a switch. Emit deleted labels.
2833 (output_asm_label): Generate label strings for deleted labels.
2834 * flow.c (tail_recursion_label_list): New.
2835 (find_basic_blocks_1): Set label_value_list directly. Collect list
2836 of tail recursion labels from call_placeholders. Don't add deleted
2837 labels to the label value list.
2838 (cleanup_cfg): Use free_EXPR_LIST_list.
2839 (flow_delete_insn_chain): Turn non-removable labels into notes.
2840 (flow_delete_block): Don't disable deleting the block because of
2841 a non-removable label.
2842 (tail_recursion_label_p): New.
2843 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2845 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2847 (merge_blocks): Disable a merge because of tail recursion labels.
2848 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2849 Use a more accurate measure of not merging the join block.
2850 (find_if_block): Don't disable conversion because of a label.
2851 (find_if_case_1, find_if_case_2): Likewise.
2852 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2853 element when copying.
2854 (squeeze_notes): Also leave EH notes.
2855 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2857 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2859 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2860 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2861 referring to a deleted label. Convert tail handling to a switch.
2862 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2863 for NOTE_INSN_DELETED_LABEL.
2864 (NOTE): Fix commentary.
2865 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2866 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2867 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2868 (LABEL_NUSES, LABEL_REFS): Likewise.
2869 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2871 2000-05-12 Bruce Korb <bkorb@gnu.org>
2873 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2874 * fixinc/check.diff: updated
2875 * fixinc/inclhack.def: corrected & added some test_text-s
2876 * fixinc/genfixes: removed unneeded options to autogen invocation
2877 * fixinc/fixincl.tpl: Specified the output file
2878 * fixinc/fixfixes.c: visual appearance
2879 * fixinc/fixincl.x: regenerate
2881 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2883 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2884 CTRL_defn_fix): Delete.
2885 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2886 char_macro_def_fix and char_macro_use_fix, respectively. Put
2887 them into the FIXUP_TABLE. Get the string to search for from
2890 (format_write): New function.
2891 (format_fix): Use it.
2893 (FIX_PROC_HEAD): Constify text parameter.
2894 (machine_name_fix): Constify all char *s.
2895 * fixtests.c (skip_quote): Remove double static.
2897 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2898 ctrl_use_quotes): Update for new scheme.
2899 * fixincl.x: Regenerate.
2901 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2903 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2905 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2906 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2908 2000-05-11 Robert Lipe <robertlipe@usa.net>
2910 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2911 * fixincl.x: Regenerate.
2913 2000-05-11 Richard Henderson <rth@cygnus.com>
2915 * calls.c: Revert both 05-09 patches.
2917 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2919 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2921 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2924 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2925 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2927 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2929 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2931 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2933 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2935 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2937 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2938 * config/avr/avr.c (jump_over_one_insn_p): New function.
2939 * config/avr/avr.md: New peepholes added. Output test and
2940 conditional jump to "sbrc" or "sbrs" command.
2942 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2944 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2946 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2948 * except.c (find_exception_handler_labels_1): New function.
2949 (find_exception_handler_labels): Split into two functions, dive
2950 into CALL_PLACEHOLDERs when looking for exception handler labels.
2952 2000-05-11 Stan Cox <scox@cygnus.com>
2954 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2955 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2956 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2958 2000-05-11 Bruce Korb <bkorb@gnu.org>
2960 * fixinc/fixfixes.c (double_slash_fix): obsolete
2961 (else_endif_label_fix): obsolete
2962 (format_fix): new, unused as yet
2964 * fixinc/fixlib.h: added fix description struct for use by format_fix
2965 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2966 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2967 modules. Removed the vestiges of the script version.
2968 Added support for "make check".
2969 * fixinc/check.diff: base diff file (needs work!!)
2970 * fixinc/check.tpl: quiet the fixup output
2971 * fixinc/fixtests.c (main): obsolete
2972 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2973 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2975 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2977 * toplev.c (rest_of_compilation): Remove dead code after
2980 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2982 * cpphash.c (collect_funlike_expansion): Make "# is not
2983 followed by a macro argument name" a pedwarn, not an error.
2984 Preserve the # in the output. Suppress the warning if lang_asm.
2986 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2988 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2989 * configure: Rebuilt.
2991 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2993 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2995 2000-05-10 Kazu Hirata <kazu@hxi.com>
2997 * combine.c (try_combine): Fix a typo.
2999 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
3001 * config/ia64/ia64.md (insv): Add comment.
3003 2000-05-10 Richard Henderson <rth@cygnus.com>
3005 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
3006 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
3007 dependancies on FPBIT and DPBIT.
3009 2000-05-10 Nick Clifton <nickc@redhat.com>
3011 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
3012 when optimising for size.
3013 (mark_used_regs:) Ditto.
3014 (try_pre_increment_1): Ditto.
3016 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
3018 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
3019 Make error message friendlier.
3021 * cpphash.h (struct hashnode): Use struct hack for name
3023 * cpphash.c (struct hashdummy): New.
3024 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
3025 (make_HASHNODE): No need to set ->name pointer. Correct
3027 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
3029 2000-05-10 Richard Henderson <rth@cygnus.com>
3031 * flow.c (find_basic_blocks_1): Remove any spare bb_note
3034 2000-05-10 Bruce Korb <bkorb@gnu.org>
3036 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
3038 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
3040 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
3041 after we enter .debug.
3043 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
3045 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
3046 abstract instance of a nested inline function.
3048 * stor-layout.c (finish_record_layout): finalize_type_size
3049 before laying out the pending_statics.
3051 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
3053 * cpplex.c (spell_token): New function.
3054 (spell_string, spell_comment, spell_name): fold into
3057 (E, H): Remove macros.
3058 (save_comment): Save comment opening characters too.
3059 (_cpp_lex_file): Update to use spell_token. Tidy up comment
3061 * cpplib.h (I, S): Add macros.
3062 (E, H): Remove macros.
3063 (TTYPE_TABLE): Update entries for new speller.
3064 (SYNTAX_ASSERT): Remove.
3066 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
3068 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
3069 when removing escaped newlines. Reverse sense of test for
3072 2000-05-09 Richard Henderson <rth@cygnus.com>
3074 * flow.c (find_basic_blocks_1): Do not delete the first
3075 bb_note we run across.
3076 (create_basic_block): Use reorder_insns to move an existing
3077 bb_note to the correct place.
3079 2000-05-09 Richard Henderson <rth@cygnus.com>
3081 * calls.c (expand_call): Increment currently_expanding_call
3082 before calling optimize_tail_recursion.
3084 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3086 * reload1.c (reload_combine): Fix errors in last change.
3088 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
3090 * gcc.c (used_arg): Skip over a semicolon at the end of the
3091 split-up loop; don't break out of it.
3093 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
3094 (tree.o): Depend on output.h.
3096 * c-decl.c (pending_invalid_xref_file,
3097 current_function_prototype_file): Constify.
3098 (pushdecl): Constify a local char *.
3099 (define_label): Constify filename parameter.
3100 * c-lex.c (init_parse): Constify parameter and return value.
3101 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
3102 * c-tree.h: Update prototypes.
3103 * c-parse.in: Constify filename member of %union, and if_stmt_file.
3104 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
3105 objc/objc-parse.c: Regenerate.
3107 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
3108 * dwarfout.h: Update prototypes.
3109 * expr.c (expand_expr): Constify a local char *.
3110 * flags.h: Constify main_input_filename.
3111 * function.c (expand_function_end): Constify filename parameter.
3112 * genrecog.c (make_insn_sequence): Use a character array for
3114 (main): Remove unused variables.
3115 * input.h: Constify input_filename, main_input_filename, and
3116 file_stack.name. Update prototypes.
3117 * output.h: Declare first_global_object_name and
3118 weak_global_object_name here, as const char *.
3119 * stmt.c (expand_asm_operands): Constify filename parameter.
3120 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
3121 Constify filename parameter.
3122 (input_filename, main_input_filename): Constify.
3123 * toplev.h: Update prototypes.
3124 * tree.c: Include output.h. Don't declare
3125 first_global_object_name or weak_global_object_name. Clean up string
3126 bashing in get_file_function_name_long.
3127 * tree.h (struct tree_decl): Constify filename member.
3128 (input_filename): Constify.
3130 * varasm.c (first_global_object_name, weak_global_object_name):
3132 (assemble_start_function, assemble_variable): Clean up string bashing.
3134 * gcc.c: Constify all spec-related strings initialized,
3135 transitively, from string constants. Constify all strings
3136 and string variables related to multilibs.
3137 (set_spec, read_specs): Cast argument to free to PTR.
3138 (used_arg): Do not modify multilib_matches. Use strncmp plus
3139 length comparison to compare multilib switches.
3140 * genmultilib: Constify everything declared in multilib.h.
3142 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
3144 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
3147 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
3149 * config/avr/avr-protos.h (extra_constraint): change a type of
3150 second argument from char to int to avoid warnings.
3151 (asm_output_byte): Likewise.
3153 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
3154 (initial_elimination_offset): Handle elimination from
3155 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
3156 (legitimate_address_p): Use MAX_LD_OFFSET.
3157 (legitimize_address): Likewise.
3158 (out_movqi_r_mr): Likewise.
3159 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
3160 (out_movsi_r_mr): Use MAX_LD_OFFSET.
3161 (out_movsi_mr_r): Likewise.
3162 (out_movqi_mr_r): Likewise.
3163 (out_movhi_mr_r): Likewise.
3164 (notice_update_cc): Correct CC for the ashrqi3 with the shift
3165 count as CONST_INT != 6.
3166 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
3167 shift count is a CONSTANT_P, but not a CONST_INT.
3168 (ashlhi3_out): Coding style modifications.
3169 (ashlsi3_out): Likewise.
3170 (ashrhi3_out): Likewise.
3171 (ashrsi3_out): Likewise.
3172 (lshrhi3_out): Likewise.
3173 (lshrsi3_out): Likewise.
3174 (ashrqi3_out): Generate shift for any known constant count without
3175 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
3176 but not a CONST_INT.
3177 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
3178 shift count is a CONSTANT_P, but not a CONST_INT.
3179 (extra_constraint): change a type of
3180 second argument from char to int to avoid warnings.
3181 (asm_output_byte): Likewise.
3182 (asm_file_end): Output size generated commands count as a hex
3185 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
3187 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
3189 (ashlqi3): Values of "length" attribute changed. Shift count
3190 uses constraints 'n' instead of 'i'.
3191 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
3192 shifts without clobber register.
3193 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
3194 (call_insn): Correct test for which_alternative == 1 (was 0).
3195 (call_value_insn): Likewise.
3197 * config/avr/t-avr: Remove definition of FLOAT while generates
3200 2000-05-09 Bruce Korb <bkorb@gnu.org>
3202 * fixinc/check.tpl: Template for checking fixes
3203 * fixinc/inclhack.def: Added 'test_text' for many fixes
3204 disable hpux8_bogus_inlines on SCO
3205 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
3207 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3209 * calls.c (expand_call): Reorganize somewhat in order
3210 to avoid unnecesary recalculation inside loop and make
3211 tail call failure code cleaner.
3213 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3215 * alias.c (nonlocal_reference_p): Minor reformatting.
3216 * reload.c (find_equiv_reg): Simplify logic for
3217 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
3218 some some reformatting.
3219 * reload1.c (reload_combine): Don't assume everything in
3220 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
3222 2000-05-08 Richard Henderson <rth@cygnus.com>
3224 * final.c (current_insn_predicate): New.
3225 (final_scan_insn): Set it.
3226 * output.h (current_insn_predicate): Declare.
3228 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
3229 Attach it to call insns.
3230 (cond_exec_process_if_block): Track probability for true and
3232 (dead_or_predicable): Likewise.
3234 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
3235 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
3236 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
3237 (estimate_probability, expected_value_to_br_prob): Use them.
3239 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
3240 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
3241 (ia64_expand_prediction): New.
3242 (emit_insn_group_barriers): Don't look at notes. Emit barriers
3243 as needed after calls.
3244 (ia64_epilogue_uses): Mark b0 used.
3245 * config/ia64/ia64.md (beq_true, beq_false): Remove.
3246 (bne_true, bne_false): Remove.
3247 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
3248 (br_true, br_false): New. Use predicate_operator and
3249 ia64_expand_prediction.
3250 (return_true, return_false): Likewise.
3251 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
3252 (call_internal1, call_value_internal): Likewise.
3253 (call_value_internal1, call_multiple_values_internal1): Likewise.
3255 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
3257 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
3259 2000-05-08 Richard Henderson <rth@cygnus.com>
3261 * rtlanal.c (may_trap_p): Consider old-style and volatile
3264 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
3266 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
3268 2000-05-08 Richard Henderson <rth@cygnus.com>
3270 * config/ia64/ia64.h (predicate_operator): Declare.
3272 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
3275 * gensupport.c (process_rtx): Copy and post-process each member
3276 of the define_insn rtvec individually.
3278 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
3280 * cpplex.c (spell_token): New function.
3281 (TOKEN_LEN): Add 1 for whitespace.
3282 (_cpp_lex_file): Update to use spell_token.
3283 * cpplib.h (E): Remove.
3284 (TTYPE_TABLE): Update CPP_VSPACE entry.
3286 2000-05-08 Richard Henderson <rth@cygnus.com>
3288 * flow.c (init_propagate_block_info): Watch out for conditional
3289 branch to next instruction, and thus one outgoing edge.
3291 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
3292 for global register variables; don't special case __[CD]TOR_LIST__;
3293 mind ggc_p for string allocation.
3295 2000-05-08 Nick Clifton <nickc@cygnus.com>
3297 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
3299 2000-05-08 Bruce Korb <bkorb@gnu.org>
3301 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
3302 i?86-*-msdosdjgpp* no longer uses fixincludes
3303 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
3304 * fixinc/inclhack.sh: deleted
3305 * fixinc/hackshell.tpl: deleted
3306 * fixinc/inclhack.tpl: deleted
3307 * fixinc/Makefile.in: Remove dependencies on above
3308 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
3310 2000-05-08 Andreas Jaeger <aj@suse.de>
3312 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
3315 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
3317 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
3320 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
3322 * cpplex.c: Move new lexer definitions and prototypes
3323 to top. Conditional include these and the code if
3324 NEW_LEXER is defined. Rename functions whose names
3325 clash if this code included.
3327 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
3329 * rtl.def (COND_EXEC): Clarify.
3331 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
3332 same fashion as zero_extendsidi2.
3334 2000-05-06 Richard Henderson <rth@cygnus.com>
3336 * config/ia64/ia64.c (predicate_operator): New.
3337 (ia64_print_operand): Handle 'J'.
3338 (rtx_needs_barrier): Handle COND_EXEC.
3339 * config/ia64/ia64.h (BRANCH_COST): Define.
3340 (PREDICATE_CODES): Update.
3341 * config/ia64/ia64.md: Docuement used unspec values.
3342 (attr predicable): New.
3343 (movxf, movxf_internal): New.
3344 (extendsfdf2): Don't comment out nop.
3345 (floatdidf2): Remove.
3346 (truncxfsf2, truncxfdf2, floatdixf2): New.
3347 (abssi2, absdi2): Put the neg in the "true" slot.
3348 (conditional branch instructions): Mark not predicable.
3349 (cmov*_internal): Use predicate_operator. Split to cond_exec.
3350 (abs*_internal): Likewise.
3351 (alloc, set_bsp): Mark not predicable.
3352 (barrier, insn_group_barrier, flush_cache): Likewise.
3353 (define_cond_exec): New.
3355 2000-05-06 Richard Henderson <rth@cygnus.com>
3357 * c-decl.c: Include "tm_p.h".
3359 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
3360 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
3361 (ia64_expand_op_and_fetch): Declare.
3362 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
3363 (setjmp_operand): Constify variables for XSTR.
3364 (ia64_encode_section_info): Likewise.
3365 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
3367 (ia64_asm_output_external): Constify name.
3368 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
3369 (process_for_unwind_directive): Provide switch default.
3370 (ia64_expand_compare_and_swap): Remove unused variables.
3371 (ia64_expand_builtin): Likewise.
3372 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
3375 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
3376 (symbolic_operand, function_operand, setjmp_operand): Likewise.
3377 (shift_count_operand, shift_32bit_count_operand): Likewise.
3378 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
3379 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
3380 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
3381 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
3382 (ia64_expand_builtin): Likewise.
3383 (call_multiple_values_operation): Make dest_regno unsigned.
3385 2000-05-06 Richard Henderson <rth@cygnus.com>
3387 * rtl.def (DEFINE_COND_EXEC): New.
3388 * md.texi: Document it.
3390 * gensupport.c (input_file): Remove.
3391 (struct queue_elem): Add lineno.
3392 (rtx_ready_queue): Remove.
3394 (predicable_default): New.
3395 (predicable_true, predicable_false): New.
3396 (define_attr_queue, define_attr_tail): New.
3397 (define_insn_queue, define_insn_tail): New.
3398 (define_cond_exec_queue, define_cond_exec_tail): New.
3399 (other_queue, other_tail): New.
3400 (queue_pattern): New.
3401 (process_rtx): Add patterns to the appropriate queues.
3402 (is_predicable, identify_predicable_attribute): New.
3403 (n_alternatives, collect_insn_data): New.
3404 (alter_predicate_for_insn, alter_test_for_insn): New.
3405 (shift_output_template, alter_output_for_insn): New.
3406 (process_one_cond_exec, process_define_cond_exec): New.
3407 (init_md_reader): Read the entire file. Process define_cond_exec.
3408 (read_md_rtx): Return elements from the queues.
3410 2000-05-06 Richard Henderson <rth@cygnus.com>
3412 * flow.c (mark_set_1): Don't update conditional life info
3413 if the register is not_dead.
3415 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3417 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
3418 (mostlyclean): Also delete fixincl, fixinc.sh, and
3419 specs.ready, and make clean in the fixinc subdir.
3421 2000-05-06 Richard Henderson <rth@cygnus.com>
3423 * Makefile.in (gensupport.o): Compile for the host.
3424 (host-prefix gensuuprt.o): Remove.
3425 (genflags.o): Depend on gensupport.h and OBSTACK_H.
3426 (genattrtab.o): Likewise.
3427 (gencodes.o): Depend on gensupport.h.
3428 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
3429 (genpeep.o, genattr.o, genoutput.o): Likewise.
3431 * gensupport.c (obstack, rtl_obstack): New.
3432 (init_md_reader): Initialize rtl_obstack.
3433 * gensupport.h (rtl_obstack): Declare.
3434 (message_with_line): Declare.
3436 * genattr.c: Remove all traces of obstack manipulation.
3437 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3438 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3440 * genattrtab.c (obstack, rtl_obstack): Remove.
3441 (main): Don't init rtl_obstack.
3442 * genflags.c: Likewise.
3444 * genrecog.c (message_with_line): Move ...
3445 * gensupport.c: ... here.
3447 2000-05-06 Richard Henderson <rth@cygnus.com>
3449 * c-typeck.c (build_c_cast): Remove dead code.
3451 2000-05-06 Richard Henderson <rth@cygnus.com>
3453 * flow.c (split_edge): Don't allocate global_live_at_start for
3454 the new block unless the old blocks had them as well.
3456 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
3458 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
3459 test_bb if a or b uses x.
3461 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3463 * cpphash.h: Remove conditional #define of __extension__.
3464 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
3465 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
3466 (ENABLE_RTL_CHECKING only).
3467 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
3468 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
3469 (ENABLE_TREE_CHECKING only).
3470 * varray.h: Add __extension__ to VARRAY_CHECK macro
3471 (ENABLE_CHECKING only).
3473 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3475 Use new tail-calling mechanism on ARM.
3476 * arm.md (sibcall, sibcall_value): New expands.
3477 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
3478 (tailcalling peepholes): Delete.
3479 (push_multi): Simplify.
3480 * arm.c (lr_save_eliminated): Delete definition.
3481 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
3482 (output_return_instruction): Remove checks on lr_save_eliminated.
3483 (output_arm_prologue): Remove old tail-calling code.
3484 (arm_output_epilogue): New parameter, really_return. All callers
3485 changed. Handle tail-calling epilogues.
3486 * arm.h (lr_save_eliminated): Delete declaration.
3487 (frame_pointer_needed): Delete declaration.
3488 * arm-protos.h (arm_output_epilogue): Adjust prototype.
3490 * arm.md (is_thumb): Examine symbol thumb_code, not expression
3492 * arm.c (thumb_code): Define it.
3493 (arm_override_options): Set it.
3494 * arm.h (thumb_code): Declare it.
3496 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3498 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
3500 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3502 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
3503 bogus clobber to insns.
3504 (load_multiple_operation, store_mulitple_operation): Don't check
3506 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
3508 * arm.md (and_scc, ior_scc): Add missing mode.
3510 * arm.md (call_value_symbol): Remove predicate from op2.
3512 * arm.h (SPECIAL_MODE_PREDICATES): Define.
3514 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3516 * expr.c (get_subtarget): New function.
3517 (force_operand, expand_expr, do_store_flag): Use it.
3519 * toplev.c (compile_file): Don't take strlen of NAME if null.
3521 2000-05-06 David Edelsohn <edelsohn@gnu.org>
3523 * xcoffout.c (xcoff_current_include_file,
3524 xcoff_current_function_file, xcoff_lastfile): Constify char *.
3525 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
3527 (xcoffout_declare_function): Make name 'const char *'.
3528 (xcoffout_end_epilogue): Make fname 'const char *'
3529 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
3530 xcoffout_declare_function, xcoffout_source_line): Match above.
3532 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
3534 * rs6000.c (print_operand): Fix lossage typo.
3535 (output_cbranch): Remove "cr" decoration for now.
3536 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
3538 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
3540 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
3543 2000-05-05 Bruce Korb <bkorb@gnu.org>
3545 * fixinc/genfixes: Improve the matching for make target names
3547 2000-05-05 Catherine Moore <clm@cygnus.com>
3549 * c-common.c (decl_attributes): For TYPE_DECLs attach the
3550 attribute to the decl.
3551 * c-decl.c (pushdecl): Propagate the USED attribute to the
3554 2000-05-05 Richard Henderson <rth@cygnus.com>
3556 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
3557 same way emit_group_load does.
3559 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
3561 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
3563 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3566 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3568 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3570 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3572 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3573 to support -shared, on platforms with dynamic libraries.
3575 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3577 * system.h (S_ISBLK): Provide fallback definition.
3579 2000-05-05 Geoff Berry <geoffb@bops.com>
3581 * extend.texi (Extended Asm): Document inability to give asm
3582 statements access to condition codes.
3584 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3586 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3587 as arg 2 of UNIQUE_SECTION.
3589 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3591 * predict.c: Remove May 4 change.
3592 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3593 if we have predicted the branch at 50-50 probability.
3595 2000-05-05 Richard Henderson <rth@cygnus.com>
3597 * flow.c (init_propagate_block_info): Fix merge error
3598 in HAVE_conditional_execution code.
3600 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3602 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3603 shift cycle for unknown shift count. Also generates dec + brpl.
3604 (ashlqi3_out): Don't generate dec + brpl which now generates by
3605 `out_shift_with_cnt'.
3606 (ashlhi3_out): Likewise.
3607 (ashlsi3_out): Likewise.
3608 (ashrqi3_out): Likewise.
3609 (ashrhi3_out): Likewise.
3610 (ashrsi3_out): Likewise.
3611 (lshrqi3_out): Likewise.
3612 (lshrhi3_out): Likewise.
3613 (lshrsi3_out): Likewise.
3615 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3617 * gcc.c (free_split_directories): Correct typo in explanation
3618 of make_relative_prefix.
3620 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3622 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
3623 comparison codes to branch_comparison_operator.
3625 2000-05-04 Richard Henderson <rth@cygnus.com>
3627 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
3629 2000-05-04 Richard Henderson <rth@cygnus.com>
3631 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3632 (DPBIT_FUNCS): Remove _sf_to_usi.
3633 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3635 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3636 between condition and jump.
3638 * libgcc2.c (near eh_context_specific): Comment #endif string.
3639 * longlong.h: Don't use strings with embedded newlines.
3641 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3643 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3644 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3645 (print_operand): Delete %t and %T codes.
3646 (output_cbranch): New function. Support branch prediction.
3647 * config/rs6000/rs6000.md: Use output_cbranch for
3648 conditional branches and returns.
3650 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3652 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3653 * stor-layout.c (place_field): Likewise.
3654 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3655 * expr.c (store_expr): Make align unsigned.
3656 * explow.c (plus_constant_wide): Make low words unsigned.
3657 * expmed.c (choose_multiplier): Likewise.
3658 * fold-const.c (fold): Likewise.
3659 * tree.h (build_int_2): Likewise.
3660 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3661 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3662 (init_emit): Change cast to unsigned char*.
3663 * varasm.c (compare_constant_1): Add cast to char*.
3664 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3665 * reload1.c (reload): Likewise.
3667 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3669 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3671 * predict.c (estimate_probability): If no prediction was found, then
3672 predict the successor that is the next physical block (if such a
3675 2000-05-04 Richard Henderson <rth@cygnus.com>
3677 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3679 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3681 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3683 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3685 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3686 attribute macros from here ...
3687 (CPP_SPEC): to here.
3688 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3689 (CPP_SPEC): Likewise.
3690 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3692 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3693 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3695 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3697 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3699 * diagnostic (vbuild_message_string, build_message_string,
3700 build_location_prefix, output_get_prefix, init_output_buffer,
3701 output_notice, vline_wrapper_message_with_location,
3702 v_message_with_decl, default_print_error_function): De-constify.
3703 (set_real_maximum_length): Prototype.
3705 * diagnostic.h (struct output_buffer, init_output_buffer,
3706 output_get_prefix, output_set_prefix): De-constify.
3708 * function.c (init_function_start): Constify.
3710 * gensupport.c (remove_constraints, process_rtx): Prototype.
3712 * gthr-posix.h: Indent uses of #pragma.
3714 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3717 * predict.c (find_expected_value): Delete prototype.
3718 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3720 * sbitmap.h (debug_sbitmap): Prototype.
3722 * ssa.c (compute_coalesced_reg_partition): Prototype.
3724 * stor-layout.c (debug_rli): Prototype.
3726 * tree.h (round_down): Prototype.
3727 (init_function_start): Constify.
3729 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3731 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3732 (overly conservative). Change extern inline wrappers to
3733 static inline, define them always, use PARAMS properly.
3734 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3735 whitespace warnings for \f and \v at the beginning of a line.
3737 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3739 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3742 2000-05-04 Bruce Korb <bkorb@gnu.org>
3744 * fixincl/inclhack.def: added broken_cabs -
3745 Remove `extern double cabs' declarations from math.h
3746 * fixincl/inclhack.sh: regen
3747 * fixincl/fixincl.x: regen
3748 * fixincl/fixincl.c: Remove BOGOSITY code
3749 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3751 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3753 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3755 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3756 when calling MEM_COPY_ATTRIBUTES.
3757 * emit-rtl.c (operand_subword, change_address): Likewise.
3758 * explow.c (stabilize): Likewise.
3759 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3760 * integrate.c (copy_rtx_and_substitute): Likewise.
3761 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3762 when calling MEM_COPY_ATTRIBUTES.
3763 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3765 * cse.c (gen_lowpart_if_possible): Likewise.
3766 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3767 * optabs.c (gen_move_insn): Likewise.
3768 * recog.c (validate_replace_rtx_1): Likewise.
3769 * simplify-rtx.c (add_mem_for_addr): Likewise.
3770 * stmt.c (expand_anon_union_decl): Likewise.
3771 * config/arm/arm.md: Likewise.
3772 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3773 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3774 (block_move_no_loop, block_move_sequence): Likewise.
3775 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3776 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3777 Clear MEM_ALIAS_SET.
3778 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3779 MEM_COPY_ATTRIBUTES.
3781 2000-05-03 Robert Lipe <robertlipe@usa.net>
3783 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3784 to suppress libgcc1.
3785 (i[34567]86-*-sco3.2v5*) Likewise.
3786 (i[34567]86-*-sco3.2v4*) Likewise.
3787 (i[34567]86-*-sco) Likewise.
3788 (i[34567]86-*-solaris2) Likewise.
3789 (i[34567]86-*-sysv5*) Likewise.
3790 (i[34567]86-*-sysv4*) Likewise.
3791 (i[34567]86-*-udk*) Likewise.
3792 (i[34567]86-*-sysv*) Likewise.
3794 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3796 * cpphash.h (U): New define, to correct type of string constants.
3797 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3798 routines, to do casts when passing unsigned strings to libc.
3799 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3801 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3802 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3803 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3804 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3805 second argument an U_CHAR *.
3807 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3808 length field, clean up initializer.
3809 (ISTABLE): Add __extension__ to designated-
3810 initializers version.
3811 * cpplex.c (CHARTAB): Likewise.
3813 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3814 case so the file won't be empty.
3816 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3818 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3819 (REORDER_BLOCK_SUCC): Removed.
3820 (enum reorder_skip_type): Removed.
3821 (skip_insns_between_block): Renamed to skip_insns_after_block.
3822 Removed second argument. Removed dead code and cleaned up.
3823 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3824 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3825 second parameter to skip_insns_after_block.
3827 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3829 * tree.c (staticp, case LABEL_DECL): New case.
3831 2000-05-03 Richard Henderson <rth@cygnus.com>
3833 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3835 * mklibgcc1.in: Fix typo last change.
3837 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3839 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3840 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3841 (GCC_CFLAGS): Use it.
3842 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3843 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3844 objc/Make-lang.in: Use it.
3846 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3848 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3850 2000-05-03 Richard Henderson <rth@cygnus.com>
3852 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3853 LIBGCC1 empty with libgcc1.null.
3855 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3857 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3860 2000-05-03 Greg McGary <gkm@gnu.org>
3862 * tree.h (tree_common): Add bounded_flag member. Remove
3863 inaccurate comment about number of remaining bits.
3864 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3865 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3866 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3867 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3868 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3869 (TYPE_QUAL_BOUNDED): New constant.
3870 (TYPE_QUALS): Handle bounded qualifier.
3871 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3872 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3873 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3874 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3875 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3876 (tree_type): Add pointer_depth member. Remove
3877 inaccurate comment about number of remaining bits.
3878 (DECL_POINTER_DEPTH): Add macro.
3879 (tree_decl): Add pointer_depth member.
3881 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3883 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3884 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3885 (lshrhi3_out): Likewise.
3886 (ashrsi3_out): bugfix in shift by 8.
3887 (test_hard_reg_class): New function.
3888 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3889 (ashlhi3): removed define_expand of this pattern.
3890 (*ashlhi3_insn): renamed to ashlhi3.
3891 (ashlsi3): removed define_expand of this pattern.
3892 (*ashlsi3_insn): renamed to ashlsi3.
3893 (ashrqi3): removed define_expand of this pattern.
3894 (*ashrqi3_insn): renamed to ashrqi3.
3895 (ashrhi3): removed define_expand of this pattern.
3896 (*ashrhi3_insn): renamed to ashrhi3.
3897 (ashrsi3): removed define_expand of this pattern.
3898 (*ashrsi3_insn): renamed to ashrsi3.
3899 (lshrhi3): removed define_expand of this pattern.
3900 (*lshrhi3_insn): renamed to lshrhi3.
3901 (lshrsi3): removed define_expand of this pattern.
3902 (*lshrsi3_insn): renamed to lshrsi3.
3904 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3906 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3907 inclusion of "system.h".
3909 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3911 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3914 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3916 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3917 if -mauto-pic is on.
3918 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3919 -mconstant-gp is in effect and function-descriptors are being used
3920 to make indirect calls.
3921 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3922 (MASK_AUTO_PIC): Ditto.
3923 (TARGET_CONST_GP): Ditto.
3924 (TARGET_AUTO_PIC): Ditto.
3925 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3926 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3927 -mno-pic is in effect.
3928 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3929 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3930 -mauto-pic is in effect.
3931 (gprel64_offset): New pattern.
3932 (load_gprel64): Ditto.
3933 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3934 -mconstant-gp is in effect, no need to preserve gp around direct
3936 (call_value): Ditto.
3937 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3938 (FUNCTION_PROFILER): Define.
3939 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3940 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3941 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3943 2000-05-03 Richard Henderson <rth@cygnus.com>
3945 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3946 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3947 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3948 (mklibgcc, libgcc.mk): New targets.
3949 (libgcc.a): Use libgcc.mk.
3950 (stmp-multilib): Likewise.
3951 (stmp-multilib-sub): Remove.
3952 (mostlyclean): Don't delete libgcc2 temp files.
3953 * configure.in (AC_PROG_CC_C_O): Add.
3954 (NO_MINUS_C_MINUS_O): Substitute it.
3955 (all_outputs): Add mklibgcc.
3956 * mklibgcc.in: New file.
3958 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3960 * cppexp.c (op_t): Make an int.
3962 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3964 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3966 * gensupport.c (process_rtx): Fix macros used.
3968 2000-05-03 Richard Henderson <rth@cygnus.com>
3970 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3971 call-clobbered registers of a call.
3973 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3975 * gensupport.c: New file.
3976 * gensupport.h: New file.
3977 * Makefile.in (HOST_RTL): Depend on gensupport.
3978 (gensupport.o) New rule.
3979 * genattr.c: Use gensupport for reading .md files.
3980 * genattrtab.c: Ditto.
3981 * gencodes.c: Ditto.
3982 * genconfig.c: Ditto.
3984 * genextract.c: Ditto.
3985 * genflags.c: Ditto.
3986 * genopinit.c: Ditto.
3987 * genoutput.c: Ditto.
3989 * genrecog.c: Ditto.
3990 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3991 * md.texi (Insn Splitting): Document define_insn_and_split.
3993 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3995 * flow.c (verify_flow_info): Added two more sanity checks. The
3996 first checks that the blocks are numbered consecutively. The second
3997 checks that n_basic_blocks is actually equal to the number of
3998 basic blocks in the insn chain.
4000 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4002 * cpplib.h: Add accessor macros for token lists.
4003 * cpplib.c, cpphash.c, cpplex.c: Use them.
4005 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4007 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
4008 memory usage if not in a function.
4009 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
4010 return address if static.
4012 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
4014 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
4015 whether address may trap.
4017 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
4019 * bb-reorder (chain_reorder_blocks): Changed code to test for
4020 EDGE_FALLTHRU rather than making erroneous assumption that the
4021 first outgoing edge is the fall-through edge.
4023 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
4025 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
4026 ABI for varargs, across all MIPS. This is incompatible because the
4027 va_list (__builtin_va_list) structure is different, so a compilation
4028 unit passing a va_list and a compilation unit being passed one, should
4029 both be compiled with the same ABI. (The old structure had two
4030 pointers, now it has three.)
4032 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
4034 * bb-reorder.c (struct reorder_block_def): Remove members end,
4035 block_begin, and block_end.
4036 (REORDER_BLOCK_OLD_END): Delete.
4037 (REORDER_BLOCK_BEGIN): Delete.
4038 (REORDER_BLOCK_END): Delete.
4039 (chain_reorder_blocks): Remove dead code.
4041 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
4043 * bb-reorder.c (remove_scope_notes): Check for both types of scope
4044 notes as the end of a basic block before deleting.
4046 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
4048 * final.c (final_start_function): Fix spelling of "necessary".
4050 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
4052 * toplev.c (debug_ignore_block): Return int.
4053 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
4054 * toplev.h, dwarf2out.h: Adjust.
4055 * emit-rtl.c (remove_unnecessary_notes): Test return value.
4057 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
4058 * toplev.c, final.c, rtl.h: Adjust.
4060 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4062 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
4063 * configure.in: Look for makeinfo in the unified tree, then
4064 for a system makeinfo which is sufficiently new.
4065 * Makefile.in: If configure says makeinfo is too old, don't
4066 build or install Info documentation.
4068 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4070 * cpphash.c (collect_params): Fix off-by-one error.
4071 (dump_hash_helper): Dump all four macro nodetypes.
4073 2000-05-02 Jakub Jelinek <jakub@redhat.com>
4075 * cpphash.c (trad_stringify): Adjust p after stringification as
4078 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4080 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
4081 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
4083 * cppfiles.c (file_cleanup): Delete.
4084 * cpphash.c (macro_cleanup): Delete.
4085 (collect_objlike_expansion, collect_funlike_expansion,
4086 macarg, scan_arguments): Remove CPP_POP case.
4088 * cpplex.c (null_cleanup): Delete.
4089 (cpp_pop_buffer): Do the work that was done in the cleanups
4090 here. Call _cpp_unwind_if_stack from here.
4091 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
4092 cpp_scan_buffer): Run until we see CPP_EOF and the top of
4093 stack is the buffer _below_ the one we stacked.
4094 (cpp_get_token): Always pop an exhausted buffer. Return
4095 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
4096 * cpplib.c (skip_if_group): Don't call cpp_get_token to
4097 increment the line number.
4098 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
4100 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
4101 we see CPP_EOF and the top of stack is the buffer _below_ the
4103 * scan-decls.c: Likewise.
4105 2000-05-02 Andrew Haley <aph@cygnus.com>
4107 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
4108 where this function is called for the second time on a decl that
4109 has had its section info changed in such a way as to move it out
4111 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
4113 2000-05-01 Richard Henderson <rth@cygnus.com>
4115 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
4116 the sequence we're moving, not to merge_bb->head.
4118 2000-05-01 Richard Henderson <rth@cygnus.com>
4120 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
4121 reference to alpha/t-linux.
4122 (alpha*-*-linux-gnu*): Likewise.
4123 * configure: Rebuild.
4125 * calls.c (expand_call): Don't emit reg notes for a sibcall.
4127 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
4130 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
4132 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
4134 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
4137 2000-05-01 Richard Henderson <rth@cygnus.com>
4139 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
4140 emit_conditional_move.
4142 2000-05-01 Jakub Jelinek <jakub@redhat.com>
4144 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
4145 as the dynamic linker.
4147 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
4149 * cppfiles.c (open_include_file): Open file in blocking mode.
4150 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
4151 Only exclude block devices and directories.
4153 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
4154 static. Allocate the hashnode and its string in the same
4156 (del_HASHNODE): Don't free h->name.
4157 (_cpp_lookup): If there is no entry for this string, create
4158 one, of type T_VOID.
4159 (_cpp_lookup_slot): Delete.
4160 * cpphash.h: Update prototypes.
4162 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
4164 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
4165 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
4166 node here, just fill in the value field properly. "Delete"
4167 entries by setting the value field to T_VOID. Check for
4168 hp->type == T_VOID, not hp == NULL.
4170 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
4171 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
4174 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
4176 * config/mn10300/mn10300.c (print_operand_address): Do not add
4179 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
4180 adjusted by less than 256 bytes, use ret regardless of having any
4181 callee-saved register to restore.
4183 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
4185 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
4187 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
4189 * config/i386/djgpp.h (INT_ASM_OP): Define.
4190 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
4191 (ASM_WEAKEN_LABEL): Define.
4192 (MASK_BNU210): Define.
4193 (SUBTARGET_SWITCHES): Define.
4194 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
4195 (MAKE_DECL_ONE_ONLY): Define.
4196 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
4198 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
4200 * i386/cygwin.h (INT_ASM_OP): Define.
4202 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
4204 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
4205 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
4207 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
4209 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
4210 __tmp_reg__ and __zero_reg__ initialization.
4212 2000-04-30 Richard Henderson <rth@cygnus.com>
4214 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
4216 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
4217 referenced bewteen the condition and the jump. Don't delete
4218 anything but the jump.
4220 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
4222 * bb-reorder.c (scope_def): New struct.
4223 (scope_forest_info): New struct.
4224 (struct reorder_block_def): New member "scope".
4225 (REORDER_BLOCK_SCOPE): New macro.
4226 (relate_bbs_with_scopes): New function and prototype.
4227 (make_new_scope): Likewise.
4228 (build_scope_forest): Likewise.
4229 (remove_scope_notes): Likewise.
4230 (insert_intra_1): Likewise.
4231 (insert_intra_bb_scope_notes): Likewise.
4232 (insert_inter_bb_scope_notes): Likewise.
4233 (rebuild_scope_notes): Likewise.
4234 (free_scope_forest_1): Likewise.
4235 (free_scope_forest): Likewise.
4236 (dump_scope_forest): Likewise.
4237 (dump_scope_forest_1): Likewise.
4238 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
4239 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
4241 (reorder_basic_blocks): Added calls to build_scope_scope_forest
4242 and remove_scope_notes before reordering is done. Added calls to
4243 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
4244 after reordering is done.
4246 2000-40-30 Bruce Korb <bkorb@gnu.org>
4248 * fixinc/inclhack.def: Added definitions needed by OSR5,
4249 removed two stale entries (defined away with OLD_CPP).
4250 * fixinc/inclhack.sh: regen
4251 * fixinc/fixincl.x: regen
4253 2000-04-30 Richard Henderson <rth@cygnus.com>
4255 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
4256 from the last insn in the sequence.
4258 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
4260 * cpplex.c (cpp_idcmp): New function.
4261 * cpplib.h: Prototype it.
4262 * scan_decls.c (scan_decls): Use it to inspect token names.
4263 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
4264 the file being run through the preprocessor.
4265 (check_macro_names): Provide length of token to cpp_defined.
4267 * Makefile.in: Remove stale warning message.
4269 * cppfiles.c (redundant_include_p): Provide length of token to
4271 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
4272 values are unsigned int.
4273 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
4274 (_cpp_lookup_slot): Do not calculate the hash, either.
4275 * cpphash.h: Update prototypes.
4276 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
4277 Hashes are unsigned int. Calculate hash here, pass by value
4278 to _cpp_lookup_slot.
4280 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
4282 * simplify-rtx.c (check_value_useless): Delete function.
4283 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
4285 (cselib_invalidate_regno): Likewise.
4286 (cselib_invalidate_mem_1): Likewise.
4287 (references_value_p): Recognize useless values by the fact that they
4289 (discard_useless_values): Likewise.
4290 (cselib_record_set): This may turn a useless value
4293 2000-04-30 Richard Henderson <rth@cygnus.com>
4295 * config/d30v: New port.
4297 * configure.in (d30v-*): Set fp format.
4298 * configure: Rebuild.
4300 2000-04-30 Richard Henderson <rth@cygnus.com>
4302 * ifcvt.c: New file.
4303 * Makefile.in (OBJS): Add it.
4304 (ifcvt.o): New target.
4305 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
4306 and conditional arithmetic.
4307 (find_insert_position): Remove.
4308 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
4309 * toplev.c (DFI_ce, DFI_ce2): New.
4310 (dump_file): Add ce and ce2 dumps.
4311 (rest_of_compilation): Run if_convert a couple o times. Set
4312 cse_not_expected after cse2. Don't set no_new_pseudos until
4313 after sched1 or recompute_reg_usage.
4315 2000-04-30 Richard Henderson <rth@cygnus.com>
4317 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
4318 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
4320 2000-04-30 Richard Henderson <rth@cygnus.com>
4322 * flow.c (struct reg_cond_life_info): New.
4323 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
4324 (init_propagate_block_info): Initialize them.
4325 (free_propagate_block_info): Destruct them.
4326 (mark_set_1): Consider conditional life before killing a register.
4327 (mark_regno_cond_dead): New.
4328 (free_reg_cond_life_info): New.
4329 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
4330 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
4331 (mark_used_reg): Record conditional life.
4333 * haifa-sched.c (schedule_insns): Disable death counting
4334 sanity check for HAVE_conditional_execution.
4336 2000-04-30 Richard Henderson <rth@cygnus.com>
4338 * Makefile.in (TIMEVAR_H): New.
4339 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
4340 (timevar.h): Remove rule.
4342 2000-04-29 Richard Henderson <rth@cygnus.com>
4344 * config/alpha/crtend.asm: Use C comments instead of #.
4345 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
4347 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
4349 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
4351 * cpphash.h (enum node_type: Take out T_MCONST.
4352 (union hashval): Move into struct hashnode.
4353 (struct hashnode): Pack tighter. Remove file, line, col
4355 * cpphash.c: Constify most of the macro-definition structures.
4356 (struct definition): Replace by struct object_defn
4357 and struct funct_defn. Put file, line, column information
4358 here. All users updated to match.
4359 (_cpp_create_definition, _cpp_macroexpand): Remove special
4360 case for #define WORD OTHERWORD.
4361 * cpplib.c (do_undef): Remove T_MCONST case.
4363 * cpphash.h: Move struct reflist, struct definition, and the
4364 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
4365 union hashval. _cpp_free_definition takes a HASHNODE pointer.
4366 * cpphash.c (_cpp_free_definition): Free data pointed to by
4367 MCONST, XCONST, MACRO, and FMACRO nodes properly.
4368 (_cpp_create_definition, del_HASHNODE): Just call
4369 _cpp_free_definition to clear out a hashnode.
4370 * cpplib.c (do_pragma_poison): Likewise.
4372 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4374 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
4375 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
4376 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
4377 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
4378 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
4379 REGNO_AM33_P): Redefine in terms of the new macros.
4380 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
4381 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4382 STRUCT_VALUE): Likewise.
4383 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
4384 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
4386 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
4388 * regmove.c (struct record_stack_memrefs_data): New.
4389 (record_stack_memrefs): New function.
4390 (combine_stack_adjustments_for_block): Use it.
4392 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4394 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
4395 use special_function_p to detect alloca.
4397 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
4399 * gcc.texi: Fixes for makeinfo 4.0 --html.
4401 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
4403 * pcp.h: Delete file.
4405 2000-04-28 Kazu Hirata <kazu@hxi.com>
4407 * h8300.c (function_epilogue): Clean up flags when the last insn
4408 in a function is a barrier.
4410 2000-04-28 Chris Demetriou <cgd@sibyte.com>
4412 * configure.in (sparc-hal-solaris2*): protect [] glob from
4414 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
4415 rather than hard-coded constants in target_cpu_default2.
4416 * configure: Regenerate.
4418 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4420 * tree.c (get_callee_fndecl): Extract the initial value from
4423 2000-04-28 Richard Henderson <rth@cygnus.com>
4425 * varasm.c (record_constant_1): Record the CODE_LABEL when
4426 taking the address of a LABEL_REF.
4428 2000-04-28 Richard Henderson <rth@cygnus.com>
4429 Jan Hubicka <jh@suse.cz>
4431 * calls.c (combine_pending_stack_adjustment_and_call): Return the
4432 adjustment; don't do the stack adjust.
4433 (expand_call): Call compute_argument_block_size right before
4434 allocating the block; update comment; don't do alignment sanity
4435 checking for sibling call; use args_size instead of
4436 unadjusted_args_size before args_size is adjusted. Use
4437 combine_pending_stack_adjustment_and_call to compute stack adjust
4438 for must_preallocate case.
4440 * expr.c (push_block): Remove shadow `temp' in inner scope.
4442 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4444 * toplev.c (rest_of_compilation): Call
4445 note_deferral_of_defined_inline_function even if the function
4448 2000-04-28 Scott Bambrough <scottb@netwinder.org>
4450 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
4452 2000-04-28 Richard Henderson <rth@cygnus.com>
4454 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
4456 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4458 * timevar.c (init_timevar): DeANSIfy function definition.
4460 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4462 * Makefile.in (timevar.o): Depend on flags.h.
4463 * timevar.c (unused_stack_instances): New variable.
4464 (timevar_push): Take a timevar_stack_def from
4465 unused_stack_instances if available.
4466 (timevar_pop): Push the popped timevar_stack_def onto
4467 unused_stack_instances.
4468 (TIMEVAR_ENABLE): New macro.
4469 (timevar_def): Make standalone a 1-bit field. Add field used.
4470 (get_time): Rename parameter to now. Return after clearing it if
4472 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
4473 (timevar_pop): Likewise.
4474 (timevar_stop): Likewise.
4475 (timevar_push): Likewise. Mark the timing variable as used.
4476 (timevar_start): Likewise.
4477 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
4478 timevars that were never used.
4480 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4482 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
4483 always TREE_READONLY.
4485 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
4487 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
4488 for call instruction with mode QImode.
4490 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4492 * Makefile.in (OBJS): Add timevar.o.
4493 (toplev.o): Depend on timevar.h.
4494 (ggc-simple.o): Likewise.
4495 (ggc-page.o): Likewise.
4496 (timevar.o): New rule.
4497 (timevar.h): New rule.
4499 * timevar.h: New file.
4500 * timevar.c: Likewise.
4501 * timevar.def: Likewise.
4503 * toplev.h (gc_time, parse_time, varconst_time): Remove.
4504 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
4506 (TIMEVAR): Remove macro.
4507 (gc_time, parse_time, varconst_time, integration_time, jump_time,
4508 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
4509 flow_time, combine_time, regmove_time, sched_time,
4510 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
4511 sched2_time, dbr_sched_time, reorder_blocks_time,
4512 rename_registers_time, shorten_branch_time, stack_reg_time,
4513 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
4515 (compile_file): Don't initialize time variables. Call
4516 init_timevar and start TV_TOTAL timer. Call timevar_print instead
4517 of many calls to print_time.
4518 (rest_of_compilation): Add timing for reload_cse_regs.
4519 (get_run_time): Removed to timevar.c.
4520 (print_time): Likewise.
4521 (get_run_time): Implement using TV_TOTAL time variable.
4522 (print_time): Get total run time from get_run_time.
4523 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
4524 computing elapsed time explicitly.
4525 * ggc-simple.c (ggc_collect): Likewise.
4526 (gc_time): Remove declaration.
4528 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4530 * calls.c (combine_pending_stack_adjustment_and_call): New function.
4531 (expand_call): Use it.
4533 2000-04-27 Jan Hubicka <jh@suse.cz>
4535 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
4538 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4540 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
4543 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
4545 * function.c (epilogue_done): Pass whole insn to record_insns.
4547 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
4549 * cse.c (CSE_ADDRESS_COST): Remove.
4550 (find_best_addr): Add new parameter "MODE", use address_cost instead
4552 (address_cost): New.
4553 (fold_rtx): Update call of find_best_addr.
4554 * rtl.h (address_cost): Declare.
4555 * loop.c (general_induction_var): Add new parameter "MODE", use
4556 address_cost instead of ADDRESS_COST
4557 (init_loop): Use address_cost instead of ADDRESS_COST.
4558 (check_insn_for_givs): Update call of general_induction_var.
4559 (find_mem_givs): Likewise.
4560 (consec_sets_giv): Likewise.
4561 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
4562 * i386.c (ix86_address_cost): New.
4563 * i386-protos.h (ix86_address_cost): Declare.
4565 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4567 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4570 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4572 * expr.c (store_expr): Use clear_storage instead of direct memset
4575 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4577 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4578 ASHIFT, AND and LABEL_REF.
4580 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4582 * invoke.texi (-foptimize-sibling-calls): Fix.
4584 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4586 * loop.c (load_mems) Don't use hard registers for the hoisting.
4588 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4589 calculation; rename const_equiv array in the preconditioning code
4590 from loop_unroll to loop_unroll_precondition
4592 2000-04-27 Richard Henderson <rth@cygnus.com>
4594 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4596 (propagate_one_insn): Clear it. Don't update reg_live here.
4597 (init_propagate_block_info): Update for pbi member changes.
4598 (free_propagate_block_info): Likewise.
4599 (mark_set_1): Know that zero_extract, sign_extract, and
4600 strict_low_part don't kill their argument. Alter hard subregs.
4601 Update new_set for non-CLOBBER sets. Update reg_live.
4602 (find_auto_inc): Update reg_live, not new_dead.
4603 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4604 to determine if the reg in question was set this insn. Only update
4605 reg info with PROP_REG_INFO.
4607 2000-04-26 Richard Henderson <rth@cygnus.com>
4609 * flow.c (allocate_reg_life_data): Set max_regno here ...
4610 (life_analysis): ... not here.
4612 * flow.c (calculate_global_regs_live): Force stack pointer
4615 2000-04-26 Richard Henderson <rth@cygnus.com>
4617 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
4618 commit change group changes.
4619 (invert_exp_1): Similarly.
4620 (redirect_exp, invert_exp): Use them.
4621 (redirect_jump_1): New.
4622 (invert_jump_1): New.
4623 (jump_optimize_1): Remove code subsumed by condexec.c.
4624 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
4626 2000-04-26 Richard Henderson <rth@cygnus.com>
4628 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
4630 * genconfig.c (main): Set all HAVE_foo to 1.
4632 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4634 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4636 * invoke.texi: Document -fssa flag.
4638 2000-04-26 Richard Henderson <rth@cygnus.com>
4640 * flow.c (count_reg_sets_1): Remove.
4641 (count_reg_sets, count_reg_references): Remove.
4642 (recompute_reg_usage): Implement with update_life_info.
4643 Reallocate life data.
4645 2000-04-26 Richard Henderson <rth@cygnus.com>
4647 * flow.c (update_life_info): Consider blocks null to mean the
4649 (calculate_global_regs_live): Likewise.
4650 (life_analysis): Do that instead of collecting all_blocks.
4652 2000-04-26 Richard Henderson <rth@cygnus.com>
4654 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4655 a still-valid conditional jump.
4657 2000-04-26 Richard Henderson <rth@cygnus.com>
4659 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4661 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4662 * flow.c (calculate_loop_depth): Remove.
4663 * output.h (calculate_loop_depth): Don't declare.
4664 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4665 inline; run estimate_probability at the same time.
4667 2000-04-26 Neil Booth <NeilB@earthling.net>
4669 * cpplib.h: "~=" is not a single pp-token.
4670 * cpplex.c: Correct commentary.
4672 2000-04-26 Richard Henderson <rth@cygnus.com>
4674 * flow.c (mark_set_1): New arguments code and flags; update all
4675 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4676 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4677 loop_depth when optimizing for size. Do new_dead update after
4678 emitting REG_UNUSED notes. Merge mark_set_reg code.
4679 (mark_set_reg): Remove.
4680 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4681 arrange to not emit REG_UNUSED notes.
4683 2000-04-26 Richard Henderson <rth@cygnus.com>
4685 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4686 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4688 2000-04-26 Richard Henderson <rth@cygnus.com>
4690 * flow.c (propagate_one_insn): Break out from propagate_block.
4691 (init_propagate_block_info): Likewise.
4692 (free_propagate_block_info): Likewise.
4693 (propagate_block): Use them. Export.
4694 * basic-block.h: Declare them all.
4696 2000-04-26 Richard Henderson <rth@cygnus.com>
4698 * basic-block.h (life_analysis): Declare here ...
4699 * output.h: ... not here.
4700 * flow.c (life_analysis): Remove nregs parameter; replace
4701 remove_dead_code with flags. Remove ssa dead code check.
4702 Only init alias analysis if we'll use it.
4703 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4704 * ssa.c (convert_to_ssa): Likewise.
4705 (convert_from_ssa): Likewise.
4706 * toplev.c (rest_of_compilation): Likewise.
4708 2000-04-26 Richard Henderson <rth@cygnus.com>
4710 * flow.c (flow_delete_block): Rename from delete_block. Export.
4711 * basic-block.h (flow_delete_block): Declare.
4713 2000-04-26 David S. Miller <davem@redhat.com>
4715 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4716 taking a PATTERN of it.
4718 2000-04-26 <NeilB@earthling.net>
4720 * cpplex.c (spell_other, spell_char): Remove.
4722 (token_spelling, trigraph_map): Use unsigned chars.
4723 (_cpp_lex_line): Tidy up the switch statement.
4724 * cpplib.h: Implement spell_char with spell_string.
4727 2000-04-26 <RodneyBrown@pmsc.com>
4729 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4730 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4732 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4734 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4735 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4736 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4737 dwarf2out_return_save, dwarf2out_return_reg,
4738 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4739 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4740 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4742 * dwarf2out.h (dwarf2out_init): Likewise.
4744 * dwarfout.c (filename_entry, primary_filename, last_filename,
4745 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4747 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4748 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4749 dwarf2out_return_reg): Likewise.
4751 2000-04-26 Andreas Jaeger <aj@suse.de>
4753 * extend.texi (Function Attributes): Fix description of pure
4756 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4758 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4759 before calling rest_of_compilation.
4761 2000-04-26 Andreas Jaeger <aj@suse.de>
4763 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4766 2000-04-25 Richard Henderson <rth@cygnus.com>
4768 * cse.c (cse_insn): Emit barrier after unconditional jump.
4770 * calls.c (expand_call): Disable tail call generation once
4771 rtx_equal_function_value_matters is false.
4773 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4776 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4778 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4780 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4782 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4783 is the primary DIE for a member function.
4784 (gen_decl_die): Call set_decl_origin_self here.
4785 * dwarfout.c (output_decl): And here.
4786 * integrate.c (output_inline_function): Not here.
4787 Don't clear DECL_INLINE until after calling rest_of_compilation.
4788 (set_decl_origin_self): No longer static.
4789 * tree.h: Add prototype.
4790 * toplev.c (note_deferral_of_defined_inline_function): Only write
4791 out abstract instance for actual inlines.
4793 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4795 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4796 EXTENDED_REGS only if TARGET_AM33.
4797 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4798 SP_REGS to register allocation and reloading unless absolutely
4800 (movsi3): Remove special-case of adding non-constants to SP.
4802 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4804 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4805 INCLUDES to search and does not provide any of its own. Also it
4806 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4807 parameters. Also it does not call AC_DEFINE.
4808 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4809 AC_DEFINE and provides for automatic entries for autoheader.
4810 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4812 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4813 so we can pass -I flags and include gansidecl.h/system.h in this
4816 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4818 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4820 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4821 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4822 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4824 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4825 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4826 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4827 for these macros. Clean up spacing and linewraps.
4829 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4831 * calls.c (expand_call): Use get_callee_fndecl.
4833 * print-tree.c (print_node): Print the chain of an _EXPR.
4835 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4836 Jim Wilson <wilson@cygnus.com>
4837 Andrew Haley <aph@cygnus.com>
4839 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4840 and gp save/restore problems.
4841 * config/ia64/crtend.asm: Add IA-64 unwind support.
4842 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4843 in fr_pad_size calculation.
4844 (save_restore_insns): Move PR save area. Correct uses of
4845 RTX_FRAME_RELATED_P.
4846 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4847 (ia64_expand_epilogue): Add eh_epilogue support.
4848 (ia64_function_prologue): Emit .prologue directive.
4849 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4850 (ia64_override_options): Set init_machine_status and
4851 mark_machine_status.
4852 (rtx_needs_barrier): Handle bsp reads and writes.
4853 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4854 New static variables.
4855 (process_set, process_for_unwind_directive): New functions.
4856 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4857 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4858 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4860 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4861 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4862 (struct machine_function): Define.
4863 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4865 2000-04-25 Bruce Korb <bkorb@gnu.org>
4867 * fixinc/Makefile.in: make the removal of old programs more
4869 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4870 install-bin and install-sh
4872 2000-04-25 Nick Clifton <nickc@cygnus.com>
4874 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4875 defined, define to return zero.
4876 (function_cannot_inline_p): If a function has any target
4877 specific attributes, then use the macro
4878 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4879 whether it can be inlined. If it cannot, issue a suitable
4882 * tm.texi: Add a new node 'Inlining' to document the new macro
4883 FUNCTION_ATTRIBUTE_INLINABLE_P.
4885 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4887 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4890 2000-04-25 Neil Booth <NeilB@earthling.net>
4892 Restore previous patch, plus the following fixes:
4894 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4895 flags, not CPP_OPEN_PAREN.
4896 * cpplex.c (expand_token_space, init_token_list,
4897 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4898 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4900 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4902 * config/i386/freebsd.h (INT_ASM_OP): Define.
4904 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4906 * loop.c (strength_reduce): Fix typo in the last checkin.
4908 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4910 * stor-layout.c (finalize_record_size): Simplify to use existing
4912 (compute_record_mode): No longer static.
4913 * tree.h (compute_record_mode): New declaration.
4915 2000-04-25 Neil Booth <NeilB@earthling.net>
4917 * Revert my patch below until cause of build failures
4920 2000-04-25 Richard Henderson <rth@cygnus.com>
4922 * combine.c (combine_instructions): Add missing argument
4925 * toplev.c (rest_of_compilation): Delay sibcall optimization
4926 until after emit_eh_context.
4928 2000-04-24 Nick Clifton <nickc@redhat.com>
4930 * combine.c (combine_instructions): Do not try to combine a
4931 sequence of insns when the second insn has been replaced by a
4934 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4936 * gcc.c (load_specs): New static function.
4937 (read_specs): Use it.
4939 * gcc.c (lookup_compiler): Make multiple passes for case
4940 insensitive filesystems.
4942 2000-04-24 Neil Booth <NeilB@earthling.net>
4944 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4945 * cpphash.h (_cpp_check_directive): new.
4946 * cpplex.c (handle_newline, cpp_free_token_list,
4947 init_trigraph_map, trigraph_ok, trigraph_replace,
4948 backslash_start, skip_block_comment, skip_line_comment,
4949 skip_whitespace, parse_name, parse_number, parse_string,
4950 copy_comment, _cpp_lex_line, spell_char, spell_string,
4951 spell_comment, spell_name, spell_other, _cpp_lex_file,
4952 _cpp_output_list): new.
4953 (expand_name_space): take length argument.
4954 (init_token_list): add comment list initialisation.
4955 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4956 instead of HSPACE_BEFORE.
4958 * cpplib.c (_cpp_check_directive): new
4959 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4960 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4961 (HSPACE_BEFORE): delete.
4962 (TTYPE_TABLE): rearrange.
4963 (struct cpp_toklist): update.
4965 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4967 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4968 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4969 argument form of AC_DEFINE.
4971 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4972 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4973 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4974 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4975 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4977 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4979 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4981 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4982 deduced.h): Use -isystem, not -I, for including system headers.
4984 2000-04-24 Nick Clifton <nickc@cygnus.com>
4986 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4987 the source register is the frame pointer or arg pointer.
4988 (addsi3_small_int): Disallow if source register is the frame
4989 pointer or arg pointer.
4991 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4993 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4994 call to AC_MSG_RESULT.
4996 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4998 * invoke.texi: Correct grammatical errors, document
4999 -fno-gnu-keywords as identical to -fno-asm for C++.
5001 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5003 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
5004 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
5005 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
5006 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
5007 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
5009 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
5010 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
5011 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
5012 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
5015 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
5017 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
5018 (pop_alignment): Likewise.
5019 (handle_pragma_token): Likewise.
5021 2000-04-24 Robert Lipe <robertlipe@usa.net>
5023 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
5025 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
5027 * combine.c (try_combine): Update reg_nonzero_bits of
5028 newi2pat before newpat.
5030 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
5032 * loop.c (strength_reduce): Simplify test to INSN_P.
5033 (record_giv): Attempt to simplify the add value, use CONSTANT_P
5034 expressions instead of CONST_INT.
5035 (express_from_1): Likewise.
5037 2000-04-24 Mark Mitchell <mark@codesourcery.com>
5039 * regs.h (reg_n_max): Don't declare.
5040 * flow.c (reg_n_max): Don't define.
5041 * regclass.c (renumber): Don't initialize to zero.
5042 (regno_allocated): Likewise.
5043 (reg_n_max): Define.
5044 (allocate_reg_info): Don't initialize unnecessarily.
5046 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
5048 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
5049 and blockage_p in the newly allocated attribute.
5051 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
5053 * config/mn10300/mn10300.md (addsi): `inc4' on address
5054 registers does not modify cc, but `inc' on an extended
5057 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
5059 * reload.c (find_equiv_reg): Checks all valueno regs
5060 as a reload_reg_p regs.
5062 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5064 * cpphash.c (collect_objlike_expansion): Add sanity check.
5065 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
5066 the buffer is the empty string, return. Mark __DATE__ and
5067 __TIME__ as XCONST nodes, not MCONST.
5068 (_cpp_macroexpand): Avoid pushing an empty buffer.
5069 (funlike_macroexpand): Don't pop token_buffer here.
5071 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
5073 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
5074 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
5075 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
5076 (REGNO_OK_FOR_BASE_P): Define in terms of them.
5077 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
5078 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
5079 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
5081 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5083 * loop.c (simplify_giv_expr): Be more agressive on simplifying
5086 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5088 * cpphash.h (struct definition): Move file, line, col members...
5089 (struct hashnode): ... here. Also add 'disabled' flag.
5090 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
5091 T_IDENTITY. Remove T_DISABLED.
5094 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
5095 (collect_expansion): Split into collect_objlike_expansion and
5096 collect_funlike_expansion.
5097 (_cpp_macroexpand): Split out scan_arguments, stringify, and
5098 funlike_macroexpand.
5099 (_cpp_compare_defs): Rename compare_defs, make static.
5100 (_cpp_make_hashnode): Initialize hp->disabled.
5101 (macro_cleanup): Adjust for new token types. Clear
5103 (_cpp_create_definition): Move code here to determine what
5104 sort of macro it is, and code to check for redefinitions, from
5105 do_define. Implement a few simple cases without creating a
5107 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
5108 Handle the simple cases.
5109 (push_macro_expansion): Set buf->has_escapes and hp->disabled
5112 * cppinit.c (builtin_array): Change MCONST to XCONST
5114 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
5115 fix check for disabled and function-like macros.
5116 * cpplib.c (do_define): Move most logic to
5117 _cpp_create_definition.
5118 (do_undef): Handle new special token types.
5120 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
5122 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
5123 of CONSTANT_P for mult_val; always use validate_change to update insn.
5125 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
5127 * cpphash.c (trad_stringify, add_pat): New functions.
5128 (collect_expansion): Restore support for -traditional syntax.
5129 Use trad_stringify and add_pat.
5130 (_cpp_macroexpand): Restore support for -traditional semantics.
5131 * cpplex.c (_cpp_scan_line): Don't change space_before if we
5132 get a COMMENT token.
5133 (_cpp_lex_token): Provide COMMENT tokens to caller if
5134 traditional and parsing_define_directive.
5135 (skip_comment): Warn about // comments if -Wtraditional.
5136 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
5138 (do_undef): Don't warn about undefining EMPTY nodes.
5140 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5142 * loop.c (strength_reduce): Fix biv removal code.
5144 2000-04-22 Richard Henderson <rth@cygnus.com>
5146 * predict.c (estimate_probability): Examine both sides of
5147 a branch for no exits. Use 90% not 50% for predict taken.
5148 Reorg for one copy of note generation code.
5150 2000-04-22 Richard Henderson <rth@cygnus.com>
5152 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
5154 2000-04-22 Richard Henderson <rth@cygnus.com>
5156 * diagnostic.c (init_output_buffer): Don't initialize format_args.
5157 (output_clear): Likewise.
5158 (output_printf): Use va_copy.
5159 (vline_wrapper_message_with_location): Likewise.
5160 (v_message_with_decl): Likewise.
5161 (line_wrapper_printf): VA_START infor buffer.format_args directly.
5162 * system.h (va_copy): Provide default implementation.
5164 2000-04-22 Richard Henderson <rth@cygnus.com>
5166 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
5167 the collected condition is not a constant.
5169 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
5171 * diagnostic.h: New file.
5173 * Makefile.in (diagnostic.o): Depends on diagnostic.h
5175 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
5176 various function prototypes.
5177 (diagnostic.h): #include.
5178 (struct output_buffer): Move into diagnostic.h.
5179 (get_output_prefix): Rename to output_get_prefix. Export.
5180 (init_output_buffer): Export. Break out. Ajust intialization.
5181 (output_space_left, output_append): Export.
5182 (output_newline): Rename to output_add_newline. Export.
5183 (output_clear): Nullify additional output_buffer fields.
5184 (output_puts): Rename to output_add_string. Export.
5185 (dump_output): Rename to output_flush_on. Export.
5186 (build_location_prefix): Constify return-type.
5187 (emit_output_prefix): Rename to output_emit_prefix. Export.
5188 (set_real_maximum_length): New function.
5189 (output_set_maximum_length): Ditto
5190 (output_clear): Ditto.
5191 (output_add_character): Ditto.
5192 (output_add_integer): Ditto.
5193 (output_add_space): Ditto.
5194 (output_format): Ditto.
5195 (output_printf): Adjust buffer initialization.
5196 (vline_wrapper_message_with_location): Ditto.
5197 (v_message_with_decl): Ditto. Adjust call to output_puts
5198 and get_output_prefix.
5199 (default_print_error_function): Adjust buffer intialization.
5201 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5203 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
5206 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
5208 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
5211 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5213 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
5214 accurate data about SP moves.
5216 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
5218 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
5219 aliases to AM33 registers.
5221 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5223 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
5224 to all EXTENDED bitmaps.
5226 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
5228 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
5229 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
5230 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
5232 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
5234 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
5235 the operand is not constant.
5237 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
5239 * reload.c (find_equiv_reg): Checks all valueno and regno regs
5240 as a call-clobbered regs.
5242 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5244 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
5246 * rtl.def: Update comment.
5247 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
5248 * integrate.c (expand_inline_function): Likewise.
5249 * profile.c (branch_prob): Likewise.
5250 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
5251 * print-rtl.c (print_rtx): Likewise.
5252 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
5253 (reemit_notes): Likewise; also use enum insn_note.
5255 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
5256 (place_field): Properly compute know and actual alignment.
5258 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
5261 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
5264 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
5266 * cpphash.c (struct arg, struct arglist): Const-ify strings.
5267 (warn_trad_stringify, duplicate_arg_p): New helper functions.
5268 (collect_expansion): Rewrite to scan over a token list.
5269 Remove -traditional support.
5270 (collect_formal_parameters): Rename to collect_params; rewrite
5271 to scan over a token list.
5272 (_cpp_create_definition): Adjust to scan a token list.
5273 (_cpp_macroexpand): Remove -traditional support.
5274 (_cpp_compare_defs): Whitespace is now canonicalized.
5275 (comp_def_part): Delete function.
5277 * cpphash.h: Update prototypes.
5278 * cpplex.c (init_token_list): Don't set lineno if there is no
5280 (pedantic_whitespace): New function.
5281 (_cpp_scan_line): Mark tokens that had hspace before. Don't
5282 consume a newline. Use pedantic_whitespace.
5283 (_cpp_lex_token): Remove support for -traditional macros.
5284 (_cpp_get_define_token): Delete.
5285 (_cpp_get_directive_token): Do the real work here. Use
5286 pedantic_whitespace.
5287 (_cpp_init_input_buffer): Initialize pfile->directbuf.
5289 * cpplib.c (get_macro_name): Delete.
5290 (do_define): Read the entire line into pfile->directbuf, then
5291 feed the token list to _cpp_create_definition.
5292 * cpplib.h (HSPACE_BEFORE): new define.
5293 (struct cpp_reader): Add a toklist member, "directbuf".
5295 * predict.c (estimate_probability): New heuristic: if a jump
5296 branches around a block with no successors, predict it taken.
5297 Disentangle control flow.
5299 2000-04-20 Richard Henderson <rth@cygnus.com>
5301 * loop.c (emit_iv_add_mult): Revert last change.
5303 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5305 * cpplib.h (enum cpp_ttype): Add token types for all
5306 punctuators. Distinguish pp-numbers from valid C numbers.
5307 Give some tokens better names. Initialize from macro.
5308 (struct cpp_name, cpp_token, cpp_toklist): New data
5311 * cpplex.c (bump_column, expand_name_space,
5312 expand_token_space, init_token_list, cpp_output_list,
5313 _cpp_scan_line): New functions.
5314 (output_line_command): Add third argument, new line number.
5315 * cpphash.h: Update prototypes.
5316 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
5319 2000-04-20 Richard Henderson <rth@cygnus.com>
5321 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
5323 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5325 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
5328 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
5330 * loop.c (emit_iv_add_mult): Simplify it's input and emit
5331 REG_EQUAL note explaining the calculated value.
5333 * calls.c (expand_call): Avoid unnecesary precalculation
5334 and outgoing parameters space guarding for sibling calls.
5335 (store_one_arg): Likewise.
5337 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5339 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
5340 (rest_of_compilation): Write sibling dump file and account
5341 for time as jump time.
5342 * invoke.texi: Update documentation on dump flags.
5344 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
5346 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
5348 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
5350 * cpphash.c (special_symbol): Represent an empty macro with
5351 "\r \r " not just "\r ".
5352 (_cpp_macroexpand): Correct condition for the foo ( ) special
5354 (unsafe_chars): Handle EOF as second argument.
5355 (push_macro_expansion): Simplify test for removing escape at
5356 end. Do not trim both escapes if there is no text in between.
5358 2000-04-19 Jim Blandy <jimb@redhat.com>
5360 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
5361 of PTR_SIZE, when appropriate.
5363 2000-04-19 Mark Mitchell <mark@codesourcery.com>
5365 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
5366 (USE_ENUM_BITFIELDS): Fix typo.
5368 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5370 * stor-layout.c (place_field): Set rli->offset_align properly.
5372 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5374 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
5375 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
5376 PARM_BOUNDARY): Remove unnecessary casts.
5378 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5380 * calls.c (precompute_arguments): Remove must_preallocate and
5382 (expand_call): Update call of precompute_arguments.
5384 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
5385 check_insn_for_givs): Break out from ...
5386 (strength_reduce) ... here; use for_every_insn_in_loop to call
5387 check_insn_for_givs.
5388 * loop.h (for_every_insn_in_loop): Declare.
5389 (loop_insn_callback): New type.
5391 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5393 * cpplib.c (do_pragma_poison): Strings in the token buffer are
5396 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
5398 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
5401 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5403 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
5405 * configure.in: Delete --disable-cpplib option and all
5406 references to cpp_main.
5407 * configure: Regenerate.
5408 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
5409 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
5410 cccp.o, cccp, or cppmain. Link cppmain.o straight to
5411 cpp$(exeext). Add --no-headers to makeinfo command line when
5412 generating INSTALL. Install and uninstall cpp.1 manpage, not
5414 * install.texi: Delete all references to cexp.y/cexp.c.
5415 Delete ancient instructions for compiling GCC on 3b1.
5416 * INSTALL: Regenerate.
5418 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
5419 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
5420 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
5422 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
5423 which is no longer tested anywhere.
5425 * cppinit.c (handle_option): Don't run error message through
5428 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5430 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
5431 * cpperror.c (hashtab.h): Now include.
5432 * cppexp.c (hashtab.h): Likewise.
5433 * cpplex.c (hashtab.h): Likewise.
5434 * cppfiles.c (hashtab.h): Likewise.
5435 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
5436 to htab_find_slot_with_hash.
5437 * cpphash.c (hashtab.h): Now include.
5438 (_cpp_lookup_slot): INSERT is now enum insert_option.
5439 * cpphash.h (_cpp_lookup_slot): Likewise.
5440 * cppinit.c (hashtab.h): Include earlier.
5441 (initialize_builtins): Pass enum to htab_find_slot.
5442 * cpplib.c (hashtab.h): Now include.
5443 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
5444 (do_pragma_poison, do_assert): Likewise.
5445 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
5446 htab_find_slot_with_hash.
5447 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
5448 * tree.c (type_hash_add): Likewise.
5449 (build1): Minor cleanup.
5451 * ggc-common.c: Add missing blanks.
5452 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
5453 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
5455 * stmt.c (mark_case_node): New function.
5456 (mark_case_nesting): Call it.
5458 * expmed.c (emit_store_flag): If comparing two-word integer
5459 with zero, can optimize NE, EQ, GE, and LT.
5461 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
5462 * conflict.c: Minor cleanups.
5463 * optabs.c: Add blank line
5464 * simplify-rtx.c: Minor cleanups.
5466 2000-04-18 Stan Cox <scox@cygnus.com>
5468 * gengenrtl.c (genlegend): Fix misspelling.
5470 2000-04-18 Robert Lipe <robertlipe@usa.net>
5472 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
5473 bitfields of the host compiler are not signed quantities.
5474 * config.in: Regenerate.
5475 * configure: Regenerate.
5476 * system.h (USE_ENUM_BITFIELDS): Added.
5477 (ENUM_BITFIELDS): Added.
5478 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
5479 (SHORT_ENUM_BUG): Deleted.
5480 * tree.h (tree_common): Members `code', `mode', `built_in_class',
5482 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
5483 (CODE_FIELD_BUG): Likewise.
5484 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
5486 * config/m68k/x-ccur (X_CFLAGS): Likewise.
5488 2000-04-18 Mark Mitchell <mark@codesourcery.com>
5490 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
5493 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5495 * cppexp.c (lex): Don't assume tokens are NUL terminated.
5496 * cpplib.c (do_include, do_import, do_include_next,
5497 read_line_number, detect_if_not_defined): Likewise.
5498 * cpphash.c (collect_expansion): Likewise.
5499 (special_symbol, _cpp_macroexpand): Check return from
5501 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
5502 macros. Delete all uses.
5504 * gcc.dg/cpp-mi.c: Add two more test cases.
5505 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
5507 2000-04-17 Richard Henderson <rth@cygnus.com>
5509 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
5510 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
5512 2000-04-17 Mark Mitchell <mark@codesourcery.com>
5514 * function.c (expand_function_start): Use hard_function_value to
5515 compute the RTL to use for DECL_RESULT.
5517 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5519 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
5520 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5521 x86_memory_mismatch_stall): New global variables.
5522 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
5523 alloved; fix load penalties for Athlon.
5524 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5525 x86_memory_mismatch_stall): Declare.
5526 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
5527 TARGET_MEMORY_MISMATCH_STALL): New.
5528 * i386.md (athlon scheduling parameters): Fix latencies according to
5529 Athlon Optimization Manual.
5530 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
5532 (fsqrt instruction patterns): Set athlon_decode to direct.
5533 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
5534 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
5535 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
5536 and TARGET_PARTIAL_REGISTER_STALL machines.
5537 (pushdf_nointeger): New pattern.
5538 (pushdf_integer): Rename from pushdf.
5539 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
5540 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
5542 2000-04-17 Richard Henderson <rth@cygnus.com>
5544 * loop.c (canonicalize_condition): Add WANT_REG argument.
5545 Stop the search if we match it.
5546 * expr.h (canonicalize_condition): Update decl.
5547 * predict.c (expected_value_to_br_prob): Use it. Track last
5548 expected value note.
5549 (find_expected_value): Remove.
5551 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
5553 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5555 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
5556 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
5558 * configure.in: Call AC_FUNC_MMAP_FILE.
5559 * configure: Regenerate.
5560 * config.in: Regenerate.
5562 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
5563 * fixinc/fixincl.c: Likewise.
5565 2000-04-17 Richard Henderson <rth@cygnus.com>
5567 * builtins.c (expand_builtin_expect): New.
5568 (expand_builtin): Call it.
5569 * builtins.def (BUILT_IN_EXPECT): New.
5570 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5571 * extend.texi: Document it.
5573 * predict.c (expected_value_to_br_prob): New.
5574 (find_expected_value): New.
5575 * basic-block.h (expected_value_to_br_prob): Declare.
5576 * toplev.c (rest_of_compilation): Invoke it.
5578 * rtl.h (NOTE_EXPECTED_VALUE): New.
5579 (NOTE_INSN_EXPECTED_VALUE): New.
5580 * rtl.c (note_insn_name): Update.
5581 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5582 cases; handle NOTE_INSN_EXPECTED_VALUE.
5584 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5586 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5587 leaf sibcall delay slot if flag_pic.
5588 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5590 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5592 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5594 * fixproto: If fix-header fails, exit with an error.
5596 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5598 * cse.c (struct check_depdendence_data): New.
5599 (check_dependence): New function.
5600 (invalidate): Use check_depdenence.
5602 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5604 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5605 UNITS_PER_WORD is unsigned.
5607 * tree.h (struct tree_common): Remove misleading comment.
5609 2000-04-16 Dave Pitts <dpitts@cozx.com>
5611 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
5612 message in quotes. Otherwise, IBM's make program treats the '#' as the
5613 start of a comment and ignores the remainder of the line.
5615 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
5617 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
5618 * cexp.y (initialize_random_junk): Likewise.
5619 * cppfiles.c (find_include_file): Cast alloca return value.
5620 * cppinit.c (initialize_standard_includes): Likewise.
5621 * cpplib.c (cpp_define, cpp_undef): Likewise.
5622 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
5623 * final.c (output_asm_insn): Allow for holes in EBCDIC.
5624 * fold-const.c (CHARMASK): New.
5625 (real_hex_to_f): Use it.
5626 * real.c (CHARMASK): New.
5627 (etoasc, asctoeg): Use it.
5628 (asctoeg): EBCDIC lower case characters preceed upper case.
5630 * i370.c (mvs_add_label): Change spacing for coding conventions.
5631 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5632 outputing case vectors.
5633 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5634 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5635 since vector in in the data CSECT.
5636 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5637 * i370.md (Many patterns): Put the length in the XL directives.
5638 (movdi): Put back STM and MVC in definition.
5639 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5640 pattern using the TCA.
5641 * oe.h (CPP_SPEC): Added to allow trigraphs.
5642 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5643 not support the "long long" type.
5645 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5647 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5649 (mips_reg_mode_ok_for_base_p): Likewise.
5650 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5651 (REG_OK_FOR_INDEX_P): Define unconditionally.
5652 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5653 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5654 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5655 that GET_MODE_SIZE is unsigned.
5656 (mips_reg_mode_ok_for_base_p): Define.
5657 (mips_legitimate_address_p): Likewise. Adjust now
5658 that GET_MODE_SIZE is unsigned.
5659 (block_move_loop): Make the number of bytes unsigned.
5660 (expand_block_move): Likewise.
5661 (function_arg): Make the loop counter unsigned to match the
5664 2000-04-16 Richard Henderson <rth@cygnus.com>
5666 * rtl.h (enum insn_note): New enumeration. Subsume
5667 NOTE_INSN_DELETED and friends.
5668 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5669 * rtl.c (note_insn_name): Tweak string order.
5671 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5673 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5676 * cpplex.c (output_line_command): Remove debugging prints.
5677 (cpp_output_tokens): Don't write out a zero-length buffer or
5678 try to see if it has a newline in it.
5679 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5680 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5681 the end of the loop. Use memmove. Don't read past the end of
5682 the buffer. Remove trailing newlines from error messages.
5684 2004-04-16 Neil Booth <NeilB@earthling.net>
5686 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5687 * cpplib.c: Add new syntax flags to directive table, and
5690 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5692 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5695 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5697 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5698 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5700 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5702 * Makefile.in (ggc-page.o): Now includes toplev.h.
5703 * ggc-page.c (toplev.h): Now included.
5704 (gc_time): Remove declaration.
5705 (ggc_collect): TIME now long.
5706 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5708 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5710 * toplev.c: Make *_time variable long to reduce chance of overflow.
5711 (TIMEVAR): Likewise for `otime'.
5712 (print_time): Arg is now long; compute percentage in FP and round.
5713 * toplev.h (print_time): Arg is long.
5715 * tree.c: Minor whitespace changes.
5717 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5718 * configure: Rebuilt.
5719 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5720 (__fixunsxfDI): Renamed from __fixunsxfdi.
5721 (__fixunsdfDI): Renamed from __fixunsdfdi.
5722 (__fixunssfDI): Renamed from __fixunssfdi.
5723 (__floatdisf): Use proper type in REP_BIT macro.
5724 (__fixunsxfSI): Renamed from __fixunsxfsi.
5725 (__fixunsdfSI): Renamed from __fixunsdfsi.
5726 (__fixunssfSI): Renamed from __fixunssfsi.
5727 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5728 Change location of macros and upper-case some names as above.
5729 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5730 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5732 * varasm.c (assemble_variable): Add cast to remove warning.
5733 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5735 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5736 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5737 region number to -1.
5739 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5741 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5742 call unshare_all_rtl.
5744 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5746 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5748 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5749 Use .s1 not .s0 for all FP instructions.
5751 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5753 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5755 (safe_fwrite, output_line_command): New static functions.
5756 (cpp_expand_to_buffer): Now private to cpplib.
5757 (cpp_scan_buffer): Take a printer.
5759 * cpphash.h: Update prototypes.
5760 * cpplib.h: Update prototypes.
5762 (cpp_buffer): Remove last_nominal_fname.
5763 (cpp_reader): Remove lineno.
5765 * cppmain.c: Use a cpp_printer.
5766 * fix-header.c: No need to inhibit line commands. Call
5767 cpp_start_read with no printer.
5769 * cpperror.c (cpp_notice_from_errno): Provide default name.
5770 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5771 (find_include_file, cpp_read_file): Use make_IHASH.
5772 (file_cleanup): Set control_macro and clear
5773 input_stack_listing_current here.
5774 (_cpp_execute_include): Don't output entering-file marker.
5775 * cpphash.c (special_symbol): Look for the line number in the
5776 buffer, not the reader.
5777 (_cpp_macroexpand): No need to disable line commands.
5778 (_cpp_dump_definition): No need to generate line commands.
5779 (dump_hash_helper): Remove excess newline from output.
5780 * cppinit.c (dump_special_to_buffer): No need to generate line
5782 (cpp_printer_init): New.
5783 (cpp_start_read): Take a printer, and start it up if it's not
5784 NULL. No need to generate line commands.
5785 (cpp_finish): Expect no buffers stacked at all. Take a
5786 printer argument, and flush the output buffer if it's not
5788 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5789 Don't put two hashes at the beginning of an assertion.
5790 (cpp_get_token): Don't increment pfile->lineno or emit line
5791 commands here. Return EOF if there's no buffer when we get
5793 * cpplib.c (do_define, skip_if_group):
5794 No need to disable line commands.
5795 (_cpp_output_line_command): Delete function.
5796 (do_line): Don't emit line commands here, but set things up so
5797 they will be emitted if necessary. Use _cpp_fake_ihash to
5798 make unique nominal_fnames if necessary.
5799 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5800 with 0 for column, not -1.
5801 (_cpp_handle_eof): Don't set the control macro here. Don't
5802 clear input_stack_listing_current here. Don't emit line
5805 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5807 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5808 always, use the default SVR4 start address.
5810 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5811 (LINK_SHLIB_SPEC): Define.
5812 (LINK_START_DEFAULT_SPEC): Define.
5813 (LINK_OS_DEFAULT_SPEC): Define.
5815 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5817 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5818 __do_global_ctors to handle constructors.
5819 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5820 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5821 (STARTFILE_MVME_SPEC): Likewise.
5822 (STARTFILE_SIM_SPEC): Likewise.
5823 (ENDFILE_ADS_SPEC): Use crtend.
5824 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5825 (ENDFILE_MVME_SPEC): Likewise.
5826 (ENDFILE_SIM_SPEC): Likewise.
5827 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5828 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5829 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5830 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5831 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5832 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5833 (CRTSTUFF_T_CFLAGS_S): Define.
5834 * config/rs6000/eabi-ctors.c: Delete.
5836 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5839 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5843 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5845 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5846 plus mask size is smaller or equal to the mode size.
5848 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5850 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5853 * expr.c (reload.h): Now included.
5854 (emit_block_move): Set volatile_ok when checking for movstr.
5855 (emit_move_1): Check for replacements in addresses in multi-word case.
5856 * Makefile.in (expr.o): Now includes reload.h.
5858 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5859 Never have a LIBCALL end a basic block.
5860 (find_basic_blocks_1): Likewise.
5861 Reorganize CALL_INSN cases.
5863 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5865 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5867 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5868 completers from mov.ret instruction.
5870 2000-04-14 Richard Henderson <rth@cygnus.com>
5872 * fold-const.c (extract_muldiv): Don't distribute and widen
5873 multiply across plus for non-sizetype unsigned types.
5875 2000-04-14 Richard Henderson <rth@cygnus.com>
5877 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5878 If the original source is dead in the incr insn, it's dead now.
5880 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5882 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5883 see if DECL_BIT_FIELD needs to still be set.
5885 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5887 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5888 print_int_cst_octal with something that's not an INTEGER_CST.
5890 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5891 and not a SUBREG to a FLOAT rtl.
5893 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5895 * emit-rtl.c (try_split): Avoid infinite loop if the split
5896 results in a sequence that contains the original insn.
5898 2000-04-13 Andreas Jaeger <aj@suse.de>
5900 * config/mips/mips.c (expand_block_move): Pass alignment
5901 argument to move_by_pieces in bits, not bytes.
5903 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5904 __pic__ for little endian.
5906 2000-04-13 Andreas Jaeger <aj@suse.de>
5908 * config/i386/i386-protos.h: Add prototype for
5909 uno_comparison_operator.
5911 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5913 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5914 * calls.c (ECF_PURE): New flag.
5915 (emit_call_1): Handle ECF_PURE calls.
5916 (initialize_argument_information): Unset ECF_PURE flag too.
5917 (precompute_arguments): Precompute for ECF_PURE too.
5918 (expand_call): Handle ECF_PURE calls too.
5919 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5920 accept value of 2 as pure function.
5921 (emit_library_call_value, emit_library_call): Rename no_queue argument
5923 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5925 * tree.h (DECL_IS_PURE): New macro.
5926 (struct tree_decl): Add pure_flag.
5927 * c-common.c (enum attrs): Add attribute "pure".
5928 (init_attributes): Initialize attribute "pure"
5929 (decl_attributes): Handle attribute "pure".
5930 * extend.texi (Attribute "pure"): Document.
5931 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5933 (flags_from_decl_or_type): Support attribute "pure".
5935 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5937 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5938 the token except for numbers and identifiers.
5940 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5942 * i386.c (ix86_expand_binary_operator,
5943 ix86_expand_unary_operator): Check no_new_pseudos
5944 instead of reload_in_progress and reload_completed.
5945 (ix86_split_ashldi, ix86_split_ashrdi,
5946 ix86_split_lshrdi): Check no_new_pseudos instead
5947 of reload_completed.
5949 2000-04-12 Jeffrey A Law (law@cygnus.com)
5951 * function.c (purge_addressof): Unshare any shared rtl created by
5952 purge_addressof and its children.
5954 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5956 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5959 2000-04-05 Andreas Jaeger <aj@suse.de>
5961 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5962 not compiling PIC code, add flags for mabi=64.
5963 (SUBTARGET_CPP_SIZE_SPEC): New.
5964 (SUBTARGET_CPP_SPEC): New.
5965 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5966 for MIPS/Linux and lots of code needs these defines.
5968 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5970 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5971 trying the "opposite arithmetic" approach.
5973 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5975 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5976 (struct sh_args): Add new field force_mem.
5977 (INIT_CUMULATIVE_ARGS): Initialize it.
5978 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5980 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5982 * calls.c (expand_call): Do not reverse args in "equal from" field.
5983 (emit_library_call_value_1): Emit_libcall_block for const and pure
5986 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5988 * reload1.c (reload_combine): Don't enable optimization for fixed
5989 registers when encountering a BARRIER.
5991 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5993 * builtins.c (expand_builtin_memcmp): Do expansion even with
5994 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5996 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5997 stack is propertly aligned; add sanity checking for aligned
5999 (expand_library_call_value_1): Add sanity checking for aligned
6002 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
6004 * calls.c (emit_library_call_value_1): Change 3rd arg to
6005 locate_and_pad_parm to disregard the setting of partial.
6007 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6009 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
6011 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
6012 CALL_INSN from the normal case.
6014 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
6016 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6017 New global variables.
6018 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
6020 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6022 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
6023 TARGET_ADD_ESP_8): New macros.
6024 * i386.md: Add peep2s to convert esp adjustments to push and pop
6026 (pushsi_prologue, popsi_epilogue): New patterns.
6028 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6030 * real.c (toe64): Remove stale #endif from the last change.
6032 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
6034 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
6035 * real.c (toe64): Revert previous change.
6037 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6039 * objc/objc-act.c: Include ggc.h.
6040 (objc_tree_index, objc_global_trees): Convert most of the
6041 static tree variables into a static array with previous names
6043 (objc_ellipsis_node): New variable.
6044 (lang_init): Call objc_act_parse_init and c_parse_init.
6045 Create objc_ellipsis_node.
6046 (build_selector_translation_table): Use objc_ellipsis_node instead
6048 (hack_method_prototype): Likewise.
6049 (get_arg_type_list): Likewise.
6050 (start_method_def): Likewise.
6051 (continue_method_def): Likewise.
6052 (gen_method_decl): Likewise.
6053 (ggc_mark_imp_list): New function.
6054 (ggc_mark_hash_table): New function.
6055 (objc_act_parse_init): New function.
6056 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
6057 * c-parse.in (c_parse_init): For objc add roots of objc specific
6058 local tree variables.
6059 * objc/objc-parse.y: Rebuilt.
6060 * objc/objc-parse.c: Rebuilt.
6061 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
6063 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
6065 * cse.c (delete_trivially_dead_insns): Also delete insns
6066 that copy a register to itself where the destination is
6069 2000-04-11 Richard Henderson <rth@cygnus.com>
6071 * flow.c (struct propagate_block_info): Add new_dead, new_live.
6072 (propagate_block): Initialize them. Use them in parallel instead
6073 of one tmp variable, ie revert much of the 0408 and 0407 functional
6074 changes, but keep the structural changes.
6075 (mark_set_regs): Take new_dead from propagate_block_info instead.
6076 (mark_set_1, mark_set_reg): Likewise.
6077 (mark_used_regs): Likewise with new_live.
6078 (mark_used_reg): Likewise. Revert 0408 change.
6080 2000-04-11 Nick Clifton <nickc@cygnus.com>
6082 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
6084 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
6086 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6088 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
6089 const section to output a CONSTRUCTOR based on the same conditions
6092 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
6094 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
6095 * pa/pa-protos.h (output_call): Add additional argument indicating
6096 if the call is a sibling/tail call.
6097 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
6098 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
6099 (function_arg, function_arg_partial_nregs): Likewise
6100 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
6101 (emit_move_sequence): Zero extend certain constants as needed
6103 (compute_zdepdi_operands, output_64bit_and): New functions.
6104 (output_64bit_ior, function_arg): Likewise.
6105 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
6106 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
6107 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
6108 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
6109 (output_bvb): Likewise.
6110 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
6111 (output_call): New argument 'sibcall'. Generate sibcall sequences
6113 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
6114 (ouput_arg_descriptor): Do not emit argument descriptors for
6116 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
6118 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
6119 (FUNCTION_OK_FOR_SIBALL): Define.
6120 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
6121 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
6122 (CPP_SPEC): Use new spec infrastructure.
6123 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
6124 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
6125 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
6126 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
6127 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
6128 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
6129 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
6130 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
6131 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
6132 (FUNCTION_ARG); Call out to C code.
6133 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
6134 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
6135 (MIN_UNITS_PER_WORD): Likewise.
6136 * pa/pa.md (cmpdi): New expander.
6137 (scc patterns, movstrsi): Not available for TARGET_64BIT.
6138 (64bit conditional arithmetic): New patterns.
6139 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
6140 (movsicc): Not available if modes on all the operands to not match.
6141 (movdicc): New expander and associated patterns.
6142 (64bit branches): New patterns.
6143 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
6144 (pre_ldd, post_std): New patterns.
6145 (64bit addil, load low part): New patterns.
6146 (special movsf constant): Not available for TARGET_64BIT.
6147 (movsf, movdf expanders): Force constants into memory.
6148 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
6149 (64bit movdf/movdi patterns): New patterns.
6150 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
6152 (extendqidi2, extendhidi2, extendsidi2): Similarly.
6153 (adddi3 expander): Allow "arith_operand" for second input.
6154 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
6155 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
6156 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
6157 (muldi3): New expander for TARGET_64BIT.
6158 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
6160 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
6161 patterns for TARGET_64BIT.
6162 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
6163 patterns for TARGET_64BIT.
6164 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
6165 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
6166 (sibcall_epilogue): New expander.
6167 (casesi): Tweak for TARGET_64BIT.
6168 (call expanders): Set & use the outgoing argument pointer. Use the
6169 64bit call patterns as needed. Add additional arg to output_call.
6170 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
6171 (sibcall, sibcall_internal_symref): New expanders.
6172 (sibcall_value, sibcall_value_internal_symref
6173 (interspace_jump): Turn into an expander + matching patterns.
6174 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
6175 * pa/pa64-regs.h: Eliminate trigraph sequences.
6176 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
6178 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
6180 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
6181 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
6182 cpp_token with cpp_ttype everywhere.
6183 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
6184 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
6185 CPP_BUF_COL. Line and column numbers are unsigned int, not
6187 * cpplex.c (cpp_buf_line_and_col): Delete.
6188 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
6189 'long lineno' to 'unsigned int lineno'.
6190 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
6192 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6194 * extend.texi: ISO C99 is not a draft anymore.
6195 * invoke.texi: ISO C++ is not a draft anymore.
6196 * cpp.texi: __cplusplus is required by the ISO standard.
6198 * extend.texi (-fthis-is-variable): Undocument.
6199 * flags.h (warn_template_debugging): Remove declaration.
6200 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
6201 -Wenum-clash, -Wtemplate-debugging): Undocument.
6203 2000-04-10 Nick Clifton <nickc@cygnus.com>
6205 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
6207 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
6209 (ARM_SIGN_EXTEND): Use HOST_UINT.
6210 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
6211 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
6212 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
6213 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
6215 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
6216 (arm_gen_constant): Use HOST_UINT.
6217 (arm_canonicalize_constant): Use HOST_UINT.
6218 (arm_reload_in_hi): Use HOST_UINT.
6219 (arm_reload_out_hi): Use HOST_UINT.
6220 (output_multi_immediate): Use HOST_UINT.
6221 (int_log2): Use HOST_UINT.
6222 (arm_poke_function_name): Use HOST_UINT.
6223 (arm_output_epilogue): Use arm_volatile_func().
6224 (output_thumb_prologue): Use arm_strip_name_encoding().
6226 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6228 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
6229 of sequence point problems.
6231 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
6233 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
6235 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
6237 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6239 * sbitmap.h: Whitespace changes and use upper-case macro args.
6240 (struct simple_bitmap_def): All sizes now unsigned.
6241 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
6242 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
6243 (sbitmap_vector_alloc): Parms and local vars now unsigned.
6244 (sbitmap_zero): Cast bzero arg to PTR.
6245 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
6246 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
6247 loop to make structure clearer.
6248 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
6249 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
6250 (sbitmap_a_and_b_or_c): Likewise.
6251 (sbitmap_intersection_of_succs): Minor cleanups.
6252 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
6253 (sbitmap_union_of_preds): Likewise.
6254 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
6255 (debug_sbitmap): New function.
6257 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
6258 * c-typeck.c (convert_for_assignment): Likewise.
6260 * expmed.c (init_expmed): Don't free objects we make.
6261 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
6263 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
6264 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
6266 * gcse.c (expr_hash_table_size): Now unsigned.
6267 (compute_ae_gen): Local variable `i' now unsigned.
6268 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
6269 (compute_transout, hoist_code): Likewise.
6270 (compute_local_properties): Likewise, also hash_table_size.
6271 (alloc_expr_hash_table): N_INSNS now unsigned.
6272 (delete_null_pointer_checks): Mark arg F as unused.
6274 * regrename.c: Minor cleanups, including chang some variables
6277 2000-04-10 Neil Booth <NeilB@earthling.net>
6279 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
6281 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
6283 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6285 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
6286 __classof__, and __headof__ from the list of gnu keywords.
6287 (-ansi): Remove -foperator-names from list of implied options.
6288 Do not call it ANSI C++.
6289 (-foperator-names): Document as -fno-operator-names.
6291 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
6293 * cpphash.c (timestamp): Delete.
6294 (del_HASHNODE): If type is T_MCONST, free value.cpval.
6295 (special_symbol): Remove unnecessary braces. Remove
6296 T_VERSION. Treat T_STDC like T_CONST unless
6297 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
6298 when one is encountered, then convert them into T_MCONST
6300 * cppinit.c (builtin_array): version_string is T_MCONST.
6301 __STDC__ has a "1" in its cpval. Don't have a terminator
6302 entry. Clean up which entries are dumped.
6303 (initialize_builtins): Only __STDC__ gets the special
6304 -traditional treatment. Count the length of builtin_array.
6305 Render version_string here.
6306 * cpphash.h: Remove T_VERSION. Add T_MCONST.
6307 * cpplib.h (struct cpp_reader): Remove timebuf.
6309 2000-04-09 Richard Henderson <rth@cygnus.com>
6311 * genrecog.c (pred): Update comparison_operator for the unordered
6314 * config/i386/i386.c (no_comparison_operator): Disallow unordered
6316 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
6317 (uno_comparison_operator): New.
6318 (put_condition_code): Handle UNORDERED/ORDERED.
6319 (unsigned_comparison): Likewise.
6320 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
6321 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
6322 (ix86_expand_fp_compare): Use them. Take scratch as argument,
6323 update all callers. Handle all 8 unordered operators.
6324 (ix86_expand_setcc): Lose the unordered argument, update all callers.
6325 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
6326 * config/i386/i386.h (PREDICATE_CODES): Update.
6327 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
6328 (ix86_expand_branch, ix86_expand_setcc): Update.
6329 * config/i386/i386.md (sunordered, sordered): New.
6330 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
6331 (bunordered, bordered): New.
6332 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
6333 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
6334 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
6336 2000-04-09 Philip Blundell <philb@gnu.org>
6338 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
6340 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
6342 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
6343 fix_truncxfhi2): New patterns.
6344 * i386.c (output_fix_trunc): Handle converting to HImode.
6346 2000-04-08 Alex Samuel <samuel@codesourcery.com>
6348 * ssa.c (convert_to_ssa): Eliminate dead code when calling
6350 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
6351 (for_each_successor_phi): Change parameter to basic_block.
6352 (coalesce_regs_in_successor_phi_nodes): Likewise.
6353 (coalesce_regs_in_copies): Likewise.
6354 (compute_coalesced_reg_partition): Use basic_block instead of index.
6355 * rtl.h (convert_to_ssa): Delete.
6356 (convert_from_ssa): Likewise.
6357 (successor_phi_fn): Likewise.
6358 (for_each_successor_phi): Likewise.
6359 (in_ssa_form): Likewise.
6360 * basic-block.h (convert_to_ssa): Moved from rtl.h.
6361 (convert_from_ssa): Likewise.
6362 (successor_phi_fn): Likewise.
6363 (in_ssa_form): Likewise.
6364 (for_each_successor_phi): Likewise. Change parameter to basic_block.
6365 * flow.c (calculate_global_regs_live): Pass a basic_block to
6366 for_each_successor_phi.
6368 2000-04-08 Richard Henderson <rth@cygnus.com>
6370 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
6371 was modified in the current insn.
6373 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6375 * arm/thumb.md: Delete.
6376 * arm/thumb-protos.h: Delete.
6378 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6380 Merge changes from merged-arm-thumb-backend-branch onto trunk.
6382 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6384 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
6387 * arm.md (nop): Use the standard RTL expression. Don't code as a
6389 (*arm_nop, *thumb_nop): Delete.
6391 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
6392 constants. Use casts instead.
6393 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
6394 output_multi_immediate, arm_poke_function_name): Likewise.
6395 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
6396 MASK_RETURN_ADDDR): Likewise.
6398 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
6400 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
6403 * arm.md (eh_epilogue): New function.
6404 * arm.h (struct machine_function): Move to here ...
6405 * arm.c: ... from here.
6406 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
6407 (thumb_exit): Extra parameter eh_ofs. All callers changed.
6408 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
6410 2000-03-30 Nick Clifton <nickc@cygnus.com>
6412 * config/arm/semi.h (ASM_SPEC): Restore definition.
6413 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6415 * config/arm/elf.h (ASM_SPEC): Restore definition.
6416 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6418 * config/arm/arm.h (ASM_SPEC): Remove definition.
6419 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
6421 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6423 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
6425 2000-03-24 Nick Clifton <nickc@cygnus.com>
6427 Various formating tidyups, elimination of compile time
6428 warnings and synchronisation with internal sources:
6430 * config/arm/arm-protos.h (assemble_align): Add prototype.
6431 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6432 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6433 (arm_return_addr_rtx): Rename to arm_return_addr.
6435 * config/arm/arm.c: Include except.h.
6436 Define shorter typenames for strict minipool_node and struct
6438 (arm_return_in_memory): For WinCE return all structures <= 32 bits
6440 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6441 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6443 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6445 (ASM_SPEC): Define if not already defined.
6446 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
6448 * config/arm/arm.md: Rename references to gen_rotated_half_load to
6449 arm_gen_rotated_half_load, and references to gen_comapre_reg to
6450 arm_gen_compare_reg.
6451 (indirect_jump): Only accept register operands.
6452 (load_indirect_jump): Keep this pattern since combine can generate
6455 * config/arm/coff.h: Include aout.h.
6456 (MULTILIB_DEFAULTS): Only define if not already defined.
6458 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
6459 into arm.h (so that COFF ports can support thumb based aliases).
6460 (ASM_SPEC): Move definition into arm.h
6462 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
6463 redundant apcs spec.
6464 (ASM_SPEC): Move definition to arm.h
6466 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
6468 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
6469 for entries in the .bss section
6471 2000-03-23 Nick Clifton <nickc@cygnus.com>
6473 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
6474 to thumb_far_jump_used_p.
6476 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
6477 single integer parameter.
6479 * config/arm/arm.c (struct machine_function): Add two new
6480 fields, 'far_jump_used' and 'arg_pointer_live'.
6481 (thumb_far_jump_used_p): Once the decision has been made that
6482 far jumps might be used, always return true.
6483 If being called from the initial elimination offset macro then
6484 do not bother to perform the test if the arg pointer is not
6486 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
6487 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
6489 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
6491 * arm.c (output_return_instruction): Handle more cases where we can
6492 return from a function with an ldr instruction.
6493 (arm_output_epilogue): Likewise.
6495 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
6496 if we need to push a large stack frame and there are no callee-saved
6499 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
6500 in ARM code if the frame pointer has been eliminated.
6502 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
6503 unspec_volatile arguments to avoid duplicates.
6504 (consttable_1, consttable_2): Fixes for big-endian mode.
6506 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
6509 Re-write constant pool code.
6510 * arm.c (minipool_node, minipool_fix): New types.
6511 (minifix): Delete type.
6512 (arm_add_minipool_constant): Delete.
6513 (arm_compute_minipool_offsets, arm_find_barrier,
6514 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
6515 (get_jump_table_size): Now returns HOST_WIDE_INT.
6516 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
6518 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
6519 (assign_minipool_offsets, arm_print_value): Likewise.
6520 (dump_minipool): Rewrite.
6521 (arm_barrier_cost): New function.
6522 (create_fix_barrier): New function.
6523 (push_minipool_barrier): New function.
6524 (push_minipool_fix): Record additional information about the fixup
6526 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
6527 check the mode of what needs fixing.
6528 (arm_reorg): Rewrite.
6530 2000-03-08 Nick Clifton <nickc@cygnus.com>
6532 * config/arm/arm.md (indirect_jump): Force constant addresses into
6535 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
6537 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
6539 2000-02-24 Nick Clifton <nickc@cygnus.com>
6541 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
6542 adjust is word aligned.
6543 (thumb_expand_epilogue): Make sure that stack adjust is word
6546 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
6548 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
6550 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
6551 pointer relative addresses.
6553 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
6555 * arm.c (find_barrier): Find the last barrier within the allowed
6558 2000-02-09 Nick Clifton <nickc@cygnus.com>
6560 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
6562 2000-02-09 Nick Clifton <nickc@cygnus.com>
6564 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6565 ARM_FUNCTION_PROFILER.
6567 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6568 ARM_FUNCTION_PROFILER.
6570 * config/arm/linux-oldld.h: Imported from mainline sources.
6572 2000-02-07 Nick Clifton <nickc@cygnus.com>
6574 * config/arm/lib1funcs.asm: Merge in thumb functions from
6577 * config/arm/lib1thumb.asm: Delete.
6579 2000-02-04 Nick Clifton <nickc@cygnus.com>
6581 * config/arm/arm.c: Sychronised with current Red hat local
6583 * config/arm/arm.h: Ditto.
6584 * config/arm/arm-protos.h: Ditto.
6586 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6588 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6590 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6593 2000-02-02 Nick Clifton <nickc@cygnus.com>
6595 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6597 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6598 (return) was emited using an emit_insn() call.
6600 2000-01-31 Nick Clifton <nickc@cygnus.com>
6602 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6604 (thumb_exit): Move frame pointer back into hard frame pointer
6605 register if backtracing is being used.
6607 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
6609 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
6612 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
6614 * config/arm/arm.md (neg_pool_offset): Provide default for new
6616 (arm_movsi_insn): Add neg_pool_offset attribute.
6617 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
6618 rtx for the insn that starts the scan and an unsigned long for its
6619 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
6620 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
6621 instructions in *PINSERTED.
6622 (struct minipool_fixup): Add MIN_ADDRESS elt.
6623 (sort_fixups): Compute it.
6624 (arm_reorg): Changes to support inserting pools before the insn to be
6627 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6629 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
6630 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6631 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6633 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6635 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6637 (TARGET_DEFAULT): Do not define if already defined.
6639 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6641 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6642 (iordi3): Allow disjoint source operands.
6643 (xordi3): Allow disjoint source operands.
6644 (negdi2): Permit construction for ARM and Thumb.
6645 (arm_negdi2): Renamed version of old negdi2 pattern.
6646 (thumb_negdi2): New pattern: Only permit non-overlapping
6647 source and destination.
6649 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6651 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6652 scratch low register so that it will not be deleted.
6654 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6656 * config/arm/pe.h (ARM_PE): Define.
6658 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6659 interfacearm attribute if this is a PE toolchain.
6660 (output_return_instruction): Do not emit anything if the function
6661 has the naked attribute set.
6662 (is_called_in_ARM_mode): If the function has the interfacearm
6663 attribute then return true.
6664 (thumb_expand_prologue): Do not generate a prologue for naked
6666 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6668 (output_thumb_prologue): Do not bother if the function is naked.
6669 Strip PE encoding from function name before emitting.
6671 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6673 * arm.md (pic_load_addr): Fix constraints.
6675 * arm.md (casesi_insn): Fix mis-applied patch.
6677 * arm.md ("core" function unit): Add rules for single- and
6679 (All TARGET_THUMB patterns): Add "type" attribute information
6681 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6682 the following insn is a CALL.
6684 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6686 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6687 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6688 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6690 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6692 * config/arm/linux-gas.h: oops - this file was missed out when the
6693 branch was created...
6695 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6697 * thumb.c: Deleted. Move contents to ...
6699 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6701 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6704 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6705 declare a prototype for asm_output_align();
6707 * arm.c (thumb_condition_code): Delete.
6708 (arm_print_operand): Always use arm_condition_code array.
6710 * arm.c (thumb_return_addr_rtx): Delete.
6711 (arm_save_machine_status, arm_restore_machine_status): Delete.
6712 (arm_init_machine_status, arm_mark_machine_status): New functions.
6713 (arm_init_expanders): Update accordingly.
6714 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6715 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6716 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6718 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6720 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6722 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6725 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6727 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6728 stack backtrace structure.
6730 * config/arm/arm-protos.h: Add prototypes for functions defined in
6733 * config/arm/arm.c (arm_override_options): Fix selection of
6734 attributes of default processor.
6736 * config/arm/coff.h: Delete needless #include.
6738 * config/arm/pe.c: Delete unused code.
6740 * config/arm/pe.h (CPP_DEFINES): Delete
6741 (SUBTARGET_CPP_SPEC): Define.
6742 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6744 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6746 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6748 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6750 (CAN_DEBUG_WITHOUT_FP): Define.
6751 (FIXED_REGISTERS): Make r11 call-saved.
6752 (CALL_USED_REGISTERS): Likewise.
6753 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6754 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6755 frame-pointer is required.
6756 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6757 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6758 if the target normally needs a stack frame in non-leaf functions.
6759 (use_return_insn): Correct logic for determining when a return
6760 instruction can be used.
6761 (output_return_instruction): Handle the frame-pointer register as
6762 a normal register when not TARGET_APCS_FRAME.
6763 (arm_output_prologue): Likewise.
6764 (arm_output_epilogue): Likewise.
6765 (output_func_epilogue): Likewise.
6766 (arm_expand_prologue): Likewise.
6767 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6769 * arm.c (use_return_insn): No need to check floating point regs if
6771 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6772 the code of value stored in the minipool array.
6773 (arm_add_minipool_constant): Likewise.
6775 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6777 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6779 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6781 * tree.c (tree_expr_nonnegative_p): New function.
6783 * tree.h (tree_expr_nonnegative_p): Declare.
6785 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6786 elide some sign_compare warnings.
6787 (build_conditional_expr): Likewise.
6789 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6791 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6793 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6794 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6795 operand. Abort if a 387 operand has an unsupported size.
6797 2000-04-08 Neil Booth <NeilB@earthling.net>
6799 * cppexp.c (parse_charconst): Null does not end character
6801 * cppinit.c (ISTABLE): Null character handled as whitespace.
6802 * cpplex.c (null_warning): new function.
6803 (skip_string): Emit warning if nulls encountered.
6804 (_cpp_skip_hspace): Emit warning if nulls encountered.
6805 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6809 2000-04-07 Richard Henderson <rth@cygnus.com>
6811 * flow.c (loop_depth): Remove.
6812 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6813 (struct propagate_block_info): New.
6814 (life_analysis): Don't allocate reg_next_use.
6815 (propagate_block_delete_insn): Break out of propagate_block.
6816 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6817 (propagate_block_delete_libcall): Likewise.
6818 (propagate_block): Create a propagate_block_info struct to pass
6819 to subroutines. Allocate one not two temporary regsets. Don't
6820 clobber memory for const calls. Look for clobbers in
6821 CALL_INSN_FUNCTION_USAGE.
6822 (mark_set_regs): Recognize COND_EXEC.
6823 (mark_set_reg): Break out of mark_set_1.
6824 (mark_used_reg): Break out of mark_used_regs.
6825 (mark_used_regs): Recognize COND_EXEC.
6826 (insn_dead_p): Use propagate_block_info struct.
6827 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6828 (find_auto_inc, try_pre_increment_1): Likewise.
6829 (print_rtl_with_bb): Dump regs live at end too.
6830 (count_reg_sets_1): Pass in loop_depth.
6831 (count_reg_sets, count_reg_references): Likewise.
6832 (recompute_reg_usage): Provide it.
6834 2000-04-07 Richard Henderson <rth@cygnus.com>
6836 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6839 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6841 * cpplib.c (do_elif): Skip the rest of the line if we're
6842 not going to bother evaluating it.
6843 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6844 to avoid pointless calls to the lexer.
6846 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6848 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6850 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6852 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6854 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6856 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6858 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6860 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6861 crtend so they can be multilibbed.
6862 (STAGESTUFF): Remove s-crt and s-crtS.
6864 2000-04-07 Richard Henderson <rth@cygnus.com>
6866 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6867 if we discover we need a pseudo and no_new_pseudos is true.
6868 * config/alpha/alpha.md (ne:DI insn): New.
6869 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6871 2000-04-07 Richard Henderson <rth@cygnus.com>
6873 * rtl.def (COND_EXEC): New.
6874 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6875 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6877 * genconfig.c (have_cond_arith_flag): Remove.
6878 (have_cond_exec_flag): New.
6879 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6880 (main): Print HAVE_conditional_execution.
6882 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6883 (sched_analyze_insn, print_pattern): Likewise.
6884 * reload.c (find_equiv_reg): Likewise.
6885 * rtlanal.c (reg_referenced_p): Likewise.
6886 (note_stores, dead_or_set_regno_p): Likewise.
6887 (reg_overlap_mentioned_p): Rewrite to use a switch.
6889 * ggc.h (struct rtx_def): Forward declare.
6891 * print-rtl.c (debug_rtx_range): New.
6892 * rtl.h (debug_rtx_range): Declare.
6894 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6896 * gcse.c (gcse_main): Don't rebuild the CFG here.
6897 (delete_null_pointer_checks): Likewise.
6898 * ssa.c (convert_to_ssa): Likewise.
6899 * toplev.c (rest_of_compilation): Do it here instead. Combine
6900 sequential calls to TIMEVAR. Consistently use `insns' instead of
6901 `get_insns()'. Always split insns after reload when optimizing.
6903 * basic-block.h (merge_blocks_nomove): Declare.
6904 (tidy_fallthru_edge): Declare.
6905 * flow.c (merge_blocks_nomove): Document as merging into previous
6906 blocks. Remove cruft from between blocks; remove all edges out of A.
6907 (tidy_fallthru_edge): Export.
6909 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6911 * ssa.c (compute_conservative_reg_partition): Declare with
6913 * toplev.c (clean_dump_file): Remove previously-deleted function
6914 inadvertantly merged back in.
6915 * conflict.c (conflict_graph_add): Use a single call to
6916 htab_find_slot to look up and insert.
6918 2000-04-06 Richard Henderson <rth@cygnus.com>
6920 * genrecog.c (*): Rename _last_insn to last_insn.
6921 (make_insn_sequence): Set the position of the peephole2 C test
6922 to be at the last insn.
6924 2000-04-06 Richard Henderson <rth@cygnus.com>
6926 * flow.c (compute_flow_dominators): Free worklist.
6928 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6930 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6932 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6934 * rtl.h (INSN_P): New macro.
6935 (successor_phi_fn): New typedef.
6936 (for_each_successor_phi): New prototype.
6937 (in_ssa_form): New variable.
6938 (PHI_NODE_P): Likewise.
6939 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6940 phi nodes in successors.
6941 (mark_used_regs): Add PHI case.
6942 (set_phi_alternative_reg): New function.
6943 (life_analysis): Assert that dead code elimination is not selected
6945 * toplev.c (to_ssa_time): New variable.
6946 (from_ssa_time): Likewise.
6947 (compile_file): Zero to_ssa_time and from_ssa_time.
6948 Print time to convert to and from SSA.
6949 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6950 (print_time): Compute percent fraction as integer.
6951 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6952 (convert_to_ssa): Check if we're already in SSA.
6953 Don't eliminate dead code in life_analysis.
6954 Rerun flow and life analysis at bottom.
6955 (eliminate_phi): Use canonical regnos when adding nodes.
6956 (mark_reg_in_phi): New function.
6957 (mark_phi_and_copy_regs): Likewise.
6958 (convert_from_ssa): Rerun life analysis at top.
6959 Use coalesced partition.
6960 Check for removing a phi node at the end of the block.
6961 (compute_coalesced_reg_partition): New function.
6962 (coalesce_regs_in_copies): Likewise.
6963 (coalesce_reg_in_phi): Likewise.
6964 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6965 (for_each_successor_phi): Likewise.
6966 (rename_context): New struct.
6967 (rename_block): Use a rename_context with rename_insn_1. When
6968 renaming sets of a subreg, emit a copy of the entire reg first.
6969 (rename_insn_1): Treat data as a rename_context *. Save current
6971 (rename_set_data): Add field set_insn.
6972 * Makefile.in (HASHTAB_H): Move up in file.
6973 (OBSTACK_H): New macro.
6974 (collect2.o): Use OBSTACK_H in dependencies.
6975 (sdbout.o): Likewise.
6976 (emit-rtl.o): Likewise.
6977 (simplify-rtx.o): Likewise.
6978 (fix-header.o): Likewise.
6979 (OBJS): Add conflict.o.
6980 (conflict.o): New rule.
6981 * basic-block.h: Include partition.h.
6982 (conflict_graph): New typedef.
6983 (conflict_graph_enum_fn): Likewise.
6984 (conflict_graph_new): New prototype.
6985 (conflict_graph_delete): Likewise.
6986 (conflict_graph_add): Likewise.
6987 (conflict_graph_conflict_p): Likewise.
6988 (conflict_graph_enum): Likewise.
6989 (conflict_graph_merge_regs): Likewise.
6990 (conflict_graph_print): Likewise.
6991 (conflict_graph_compute): Likewise.
6992 * conflict.c: New file.
6994 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6996 * tlink.c (read_repo_files): Don't look for .rpo info for
6999 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7001 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
7003 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7005 * config/sh/lib1funcs.asm (___udivsi3_i4):
7006 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
7007 only depends on FMOVD_WORKS.
7009 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7011 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
7012 make double constant 8-byte aligned.
7014 2000-04-06 Jakub Jelinek <jakub@redhat.com>
7016 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
7017 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
7018 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
7019 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
7020 Accept storing GENERAL_REGS into offsetable memory.
7021 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
7022 building a TFmode constant other than 0.0L into GENERAL_REGS.
7024 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
7026 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
7028 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
7030 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
7031 (macro_cleanup): No need to cast pbuf->macro.
7032 (collect_expansion): Use _cpp_get_define_token. Goto done if
7033 it returns VSPACE. Remove check for trailing space after
7035 (_cpp_create_definition): Don't diddle flags here. Return
7037 (unsafe_chars): Handle c1 being EOF.
7038 (push_macro_expansion): Use unsafe_chars for both accidental-paste
7039 checks. Don't push the buffer till after we're done with
7041 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
7042 (PEEKN, FORWARD, GETC, PEEKC): Use them.
7043 (cpp_push_buffer): Don't set new->alimit. Set new->mark
7045 (_cpp_parse_assertion): Don't NUL terminate.
7046 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
7047 hspace before calling _cpp_parse_assertion. Remove all sets
7048 of only_seen_white. Treat '\f' as hspace. Don't do anything
7049 special with '\n' here.
7050 (maybe_macroexpand): Handle T_EMPTY hash entries without
7051 pushing a buffer at all.
7052 (cpp_get_token): Handle clearing only_seen_white here. Handle
7053 incrementing the line number here. Clear
7054 potential_control_macro as well as only_seen_white, if
7056 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
7057 (_cpp_get_define_token): New function, basically like
7058 _cpp_get_directive_token was but doesn't eat horizontal space.
7059 Don't do anything with only_seen_white here.
7060 (_cpp_get_directive_token): Just call _cpp_get_define_token
7061 repeatedly till it returns non-hspace.
7063 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
7064 (conditional_skip, skip_if_group): Return int.
7065 (DIRECTIVE_TABLE): Change origin of all conditional directives
7067 (TRAD_DIRECT_P): New macro.
7068 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
7069 an error for a bogus directive, unless -lang-asm. Use
7070 TRAD_DIRECT_P. Loop calling handler functions till one returns
7072 (get_macro_name): Don't diddle flags here.
7073 (do_define): Diddle flags here. Use _cpp_get_directive_token.
7074 Create T_EMPTY nodes for #define macro /* nothing */.
7075 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
7076 Use hp->name when calling pass_thru_directive.
7077 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
7078 Return the result of conditional_skip and/or skip_if_group.
7079 Don't call _cpp_output_line_command.
7080 (consider_directive_while_skipping): Use _cpp_get_directive_token.
7081 Issue -Wtraditional warnings as appropriate. Don't complain
7082 about unrecognized directives. If we are to stop skipping,
7083 return the number of the directive that ended the skip.
7084 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
7085 expansion and line commands while skipping. Return the result
7086 of consider_directive_while_skipping, if nonzero.
7087 (do_endif): Just set potential_control_macro here.
7088 (validate_else): Use _cpp_get_directive_token.
7089 (do_assert, do_unassert): Don't save pointers into the
7090 token_buffer across calls to the lexer. Use
7091 _cpp_get_directive_token.
7093 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
7094 pointer, not an offset. Replace 'data', which was a generic
7095 pointer, with 'macro', which points to a struct hashnode.
7096 (cpp_reader): Add 'potential_control_macro' pointer.
7097 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
7098 (CPP_BUF_GET, CPP_FORWARD): Delete.
7099 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
7100 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
7101 ACTIVE_MARK_P): Update.
7102 (_cpp_get_define_token): New internal function.
7103 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
7105 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
7107 * configure.in: And here.
7108 * configure: Regenerate.
7109 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
7110 --enable-libstdcxx-v3 is passed at configure time.
7111 * config.h.in: Regenerate.
7113 2000-04-05 Mark Mitchell <mark@codesourcery.com>
7115 * final.c (final): Use xcalloc to allocate line_note_exists.
7116 * function.c (free_after_compilation): Free the temp_slots.
7117 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
7118 (combine_temp_slot): Free temp_slots when they get combined.
7119 (purge_addressof): Fix typo in comment.
7120 * stmt.c (mark_goto_fixup): Mark the fixup itself.
7121 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
7123 * ggc.h: Include varray.h.
7124 (ggc_pending_trees): Declare.
7125 (ggc_mark_tree_children): Remove declaration.
7126 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
7127 * ggc-common.c (ggc_pending_trees): New variable.
7128 (ggc_mark_roots): Call ggc_mark_trees.
7129 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
7130 the ggc_pending_trees.
7131 * Makefile.in (GGC_H): New variable. Use it throughout in place
7134 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7136 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
7139 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7141 * sh.c (sh_insn_length_adjustment): New function.
7142 * sh-protos.h (sh_insn_length_adjustment): Declare.
7143 * sh.h (ADJUST_INSN_LENGTH): Use it.
7145 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
7147 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
7148 from the insn where REG_RETVAL is added.
7149 (emit_no_conflict_block): Ditto.
7151 * md.texi (Standard Names): Clarify when movX is needed.
7153 * combine.c (simplify_comparison) [MINUS]: Do not replace
7154 all (op (minus A B) 0) with (op A B).
7156 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
7157 J"orn Rennecke <amylaar@cygnus.co.uk>
7159 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
7160 (block_lump_real): Likewise.
7162 2000-04-05 Chris Demetriou <cgd@netbsd.org>
7164 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
7165 remaining non-zero debugging masks.
7167 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
7169 * basic-block.h (verify_flow_info): Declare.
7170 (flow_loop_outside_edge_p): Declare.
7171 * flow.c (verify_flow_info): Remove declaration.
7172 (clear_log_links, flow_loop_outside_edge_p): Likewise.
7174 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
7176 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
7179 2000-04-05 Jakub Jelinek <jakub@redhat.com>
7181 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
7182 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
7183 seqdi_zero_trunc+1): Allow splits only if registers are
7186 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
7188 * acconfig.h: Add HAVE_GAS_HIDDEN.
7189 * config.in: Regenerated.
7190 * configure.in: Add test for .hidden pseudo-op in gas.
7191 * configure: Regenerated.
7192 * crtstuff.c: Include auto-host.h.
7193 Emit additional .hidden pseudo-op for __dso_handle if the
7194 assembler knows about it.
7196 2000-04-04 Philippe De Muyter <phdm@macqel.be>
7198 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
7199 before freeing argnames.
7200 * cpplib.c (do_ifndef): Cast return value of xstrdup.
7202 2000-04-05 Michael Meissner <meissner@redhat.com>
7204 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
7205 Walton <jonboy@gordian.com> to make memory references with update
7206 work wtih -mregnames.
7208 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7210 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
7211 (regrename_optimize): Rename variables `def_uses' and
7212 `ext_basic_blocks' to avoid conflicts with similarly named
7213 typedefs in traditional C.
7215 * calls.c (initialize_argument_information): Fix typo in previous
7218 2000-04-04 Richard Henderson <rth@cygnus.com>
7220 * regrename.c (consider_available): Test fixed_regs not
7221 PIC_OFFSET_TABLE_REGNUM.
7223 2000-04-04 Geoff Keating <geoffk@cygnus.com>
7225 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
7227 (CRTSTUFF_T_CFLAGS_S): Delete definition.
7228 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
7229 (ENDFILE_LINUX_SPEC): Always use crtend.
7230 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
7231 (powerpc-*-linux-gnu): Likewise.
7232 * configure: Regenerate.
7234 * config/rs6000/eabi.h: Don't include sysv4.h.
7235 (MULTILIB_DEFAULTS): Don't define.
7236 * config/rs6000/eabiaix.h: Don't include eabi.h.
7237 * config/rs6000/eabile.h: Delete.
7238 * config/rs6000/eabilesim.h: Delete.
7239 * config/rs6000/eabisim.h: Don't include eabi.h.
7240 * config/rs6000/linux.h: Don't include sysv4.h.
7241 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
7242 (MULTILIB_DEFAULTS): Don't redefine.
7243 * config/rs6000/rtems.h: Don't include eabi.h.
7244 * config/rs6000/sol2.h: Don't include sysv4le.h.
7245 * config/rs6000/sysv4le.h: Don't include sysv4.h.
7246 * config/rs6000/t-ppc: Delete.
7247 * config/rs6000/t-ppcgas: Correct comment.
7248 * config/rs6000/t-ppcos: Correct comment. Don't build
7249 multilibs for -fPIC, rather use -fPIC -mstrict-align
7251 * config/rs6000/t-ppc: Delete.
7252 * config/rs6000/vxppc.h: Don't include sysv4.h.
7253 * config/rs6000/vxppcle.h: Delete.
7254 * configure.in: Use multiple header files for p2pc ELF targets
7255 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
7256 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
7257 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
7258 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
7259 always available for these platforms.
7261 2000-04-04 Richard Henderson <rth@cygnus.com>
7263 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
7265 2000-04-04 Stan Cox <scox@cygnus.com>
7267 * Makefile.in: Add rules for regrename.o
7268 * regrename.c: New file.
7269 * rtl.h (regrename_optimize): Add prototype.
7270 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
7271 (compile_file, decode_d_option): Add support for -frename-registers.
7272 (rest_of_compilation): Call regrename_optimize.
7273 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
7276 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7278 * Makefile (gccbug): New target.
7279 (doc): Depend on it.
7280 * gcc.texi (Bugs): Link subnodes.
7282 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
7283 Document severities, priorities, and classes in bug form.
7285 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
7287 * cpplex.c (trigraph_map, speccase): Combine into single
7289 (NORMAL, NONTRI): New macros.
7290 (_cpp_read_and_prescan): Change to use unified table. Use
7291 is_hspace to test for whitespace.
7293 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
7294 definition that doesn't provoke the "empty body in an
7295 if-statement" warning.
7297 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
7299 * builtins.c (expand_builtin_strlen): Force the source to
7300 be a memory address.
7302 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7304 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
7306 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
7308 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
7309 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
7310 (ECF_IS_CONST): Rename to ECF_CONST.
7311 (special_function_p): Make static, change interface.
7312 (flags_from_decl_or_type, try_to_integrate): Break out from ...
7313 (expand_call) ... here; convert number of variables to flags.
7314 (emit_library_call_vlue_1): Likewise.
7315 (setjmp_call_p): New function.
7316 (initialize_argument_information): Accepts flags as argument;
7318 (precompute_arguments): Likewise.
7319 * tree.h (special_function_p): Remove.
7320 (setjmp_call_p): Add prototype.
7322 2000-04-04 Jakub Jelinek <jakub@redhat.com>
7324 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
7325 so that addresses are offsetable by up to 16 bytes.
7326 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
7327 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
7330 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
7331 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
7332 (movsf): Don't force any constant to memory if target is integer
7334 Move fp_zero_operand check below the const0_rtx check.
7335 (movtf): Likewise. Also allow fp_zero_operand for stores into
7337 (movdf): Likewise. Also allow fp_zero_operand for stores into
7338 memory and into integer hard registers.
7339 (clear_df, clear_dfp, movdf_const_intreg_sp32,
7340 movdf_const_intreg_sp64): Remove.
7341 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
7343 (movdf_no_e_insn_v9_sp32): New pattern.
7344 (movdf_insn_v9only): Remove.
7345 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
7346 (movdf_insn_sp64): Remove.
7347 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
7348 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
7349 (following splits): Rewrite conditions. Add two new splits
7350 for storing 0.0 into memory and registers.
7351 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
7352 (movtf_insn_sp32): Redo constraints and conditions.
7353 (movtf_insn_vis_sp32): New pattern.
7354 (movtf_no_e_insn_sp32): Redo constraints and conditions.
7355 (movtf_insn_hq_sp64): Likewise.
7356 (movtf_insn_hq_vis_sp64): New pattern.
7357 (movtf_insn_sp64): Redo constraints and conditions.
7358 (movtf_insn_vis_sp64): New pattern.
7359 (movtf_no_e_insn_sp64): Redo constraints and conditions.
7360 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
7362 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
7363 -mvis or -m64 to take down the number of various reload patterns.
7365 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
7367 * pa/pa-64.h: New file.
7368 * pa/pa64-regs.h: New file.
7369 * pa/pa64-start.h: New file.
7370 * pa/t-pa64: New file.
7371 * pa/xm-pa64hpux.h: New file.
7373 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7375 * sparc.c (output_restore_regs): Prototype.
7376 (sparc_emit_float_lib_cmp): Constification.
7378 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
7380 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
7383 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
7384 (get_value_hash, hash_rtx): Likewise.
7386 * ssa.c (compute_conservative_reg_partition): Prototype.
7388 * tree.c (mark_hash_entry): Prototype.
7390 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
7392 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
7393 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
7394 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
7396 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
7397 * objc/lang-specs.h: Likewise.
7399 2000-04-03 Neil Booth <NeilB@earthling.net>
7401 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
7402 and SYNTAX_ERROR2. Replace `' in messages with ''.
7403 (op_to_str): Make re-entrant.
7404 (_cpp_parse_expr): Implement new error macros. Use | rather
7405 than || to logically or 2 boolean integers. Simply expression
7406 checking we have a left operand iff needed.
7408 2000-04-03 Nick Clifton <nickc@cygnus.com>
7410 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
7412 2000-04-03 Philip Blundell <philb@gnu.org>
7414 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
7416 2000-04-03 Felix Lee <flee@cygnus.com>
7418 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
7419 (run_shell): Use it.
7421 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
7423 * Makefile.in (stmp-int-hdrs): Make include subdir here...
7424 (stmp-fixproto): ...rather than here.
7426 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
7428 * pa.c (print_operand): Compute 'base' only inside the code paths
7431 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
7433 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
7436 2000-04-03 Philipp Thomas <pthomas@suse.de>
7438 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
7440 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
7442 * Makefile.in (alias.o): Depend on $(TREE_H).
7444 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
7446 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
7448 * cpplib.c (_cpp_handle_directive): Improve warnings for
7449 traditional C and indented directives.
7451 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
7452 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
7453 fixinc/inclhack.def: Indent the # of #include_next one space.
7454 * cp/rtti.c: Un-indent #if and #endif.
7456 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
7457 syntax error, but an error has already been printed.
7458 * cpplex.c (_cpp_parse_assertion): Give a more specific error
7459 message when called with nothing remaining on the line.
7460 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
7461 OTHER token, not an ASSERTION.
7462 * cpplib.c (do_assert): When we create a 'base' node, clear
7463 its aschain pointer.
7465 2000-04-02 Neil Booth <NeilB@earthling.net>
7467 * cppexp.c: New typedef op_t. struct operation and struct
7468 token updated to use it.
7469 (op_to_str): New function.
7470 (_cpp_parse_expr): Error messages modified to use op_to_str.
7472 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7474 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
7475 before checking MUST_PASS_IN_STACK.
7477 2000-04-02 Neil Booth <NeilB@earthling.net>
7479 * cppexp.c: New FINISHED dummy token. Combine operator initial
7480 flags and initial priority into a single constant. New
7481 EQUALITY macro. New operator flag SHORT_CIRCUIT.
7482 (_parse_cpp_expr): Implement new constants. Take left operand
7483 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
7484 parse indicated by reducing FINISHED token. Remove new lines
7485 from cpp_error messages.
7487 2000-04-01 Mark Mitchell <mark@codesourcery.com>
7489 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
7492 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
7494 * cpplib.c: Include symcat.h. Add 'origin' field to struct
7495 directive. Add origin values to DIRECTIVE_TABLE. Generate
7496 the strings and function names on the fly. Take the #sccs
7497 entry out of the table if SCCS_DIRECTIVE is not defined.
7498 (_cpp_handle_directive): Decide if the # was at the beginning
7499 of the line here. Issue -pedantic warnings for extended
7500 directives here. Warn about K+R directives with the #
7501 indented, and C89/extended directives with the # not indented,
7503 (do_import, do_include_next, do_warning, do_ident, do_sccs,
7504 do_assert, do_unassert): Don't issue pedantic warning here.
7506 * cpphash.h: Add CPP_WTRADITIONAL macro.
7507 * cpplib.h (struct cpp_options): Rename warn_stringify to
7508 warn_traditional; update comments.
7509 * cppinit.c (handle_option): Set warn_traditional not
7511 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
7512 CPP_WTRADITIONAL (pfile).
7513 * cpplex.c (_cpp_lex_token): Don't decide if directives should
7514 be ignored in -traditional mode here.
7516 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
7517 to initialize speccase[] and trigraph_map[]. Delete all
7518 references to pfile->input_speccase. Always treat '?' as a
7519 special character. Remove table-initialization code from
7520 _cpp_init_input_buffer.
7522 * cpplib.h (struct cpp_reader): Remove input_speccase field.
7523 * cppinit.c (cpp_cleanup): Don't free input_speccase.
7525 2000-04-01 Richard Henderson <rth@cygnus.com>
7527 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
7528 (mostlyclean): Likewise.
7530 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
7531 (struct dump_file_info, enum dump_file_index, dump_file): New.
7532 (open_dump_file): Take a dump_file_index not a suffix, and a decl
7533 not a string. Clean out file if we havn't yet done so. Do nothing
7534 if the dump isn't enabled.
7535 (close_dump_file): Do nothing if the dump isn't open. Dump
7536 graph data if requested.
7537 (dump_rtl, clean_dump_file): Remove.
7538 (compile_file): Don't clean the dump files. Only finalize .bp dump
7539 if flag_test_coverage or flag_branch_probabilities. Only finalize
7540 .combine dump if optimizing. Iterate over dump_file to finalize the
7542 (rest_of_compilation): Update for open_dump_file/close_dump_file.
7543 Convert all uses of dump_rtl.
7544 (decode_d_option): Iterate over dump_file to implement 'a' and to
7545 locate pass-specific dumps.
7547 2000-04-01 Neil Booth <NeilB@earthling.net>
7549 * cppexp.c: Redefine priority constants.
7550 (_cpp_parse_expr): Replace left and right priority scheme with
7551 single priority logic. Move LOGICAL to same place as COMPARE.
7552 Remove bogus check for multiple unary +/- operators.
7554 2000-04-01 Neil Booth <NeilB@earthling.net>
7556 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
7557 within the switch statement. Binary operations break out of
7558 the switch naturally. '(' tokens handled by forcing
7559 immediate shift. ')' handled by forcing immediate reduce to
7560 the previous '('. New error messages.
7562 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7564 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7565 part', it's already in use. Use %K instead. Add a return at the
7566 end of what is now %K.
7567 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7569 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7571 * builtins.c (expand_builtin_apply): Pass proper parameters to
7572 allocate_dynamic_stack_space.
7573 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7574 update stack_pointer_delta; do not update arg_size_so_far.
7575 (compute_argument_block_size): Use stack_delta instead of
7576 stack_pointer_pending and arg_size_so_far.
7577 (expand_call): Add sanity checking for stack_pointer_delta;
7578 save and restore stack_pointer_delta for SIB, use
7579 stack_pointer_delta for alignment; do not update arg_space_so_far.
7580 (emit_library_call_value): Use stack_pointer_delta for alignment.
7581 (store_one_arg): Do not update arg_space_so_far.
7582 * explow.c (adjust_stack, anti_adjust_stack): Update
7583 stack_pointer_delta.
7584 (allocate_dynamic_stack_space): Add sanity checking for
7585 stack_pointer_delta.
7586 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7587 stack_pointer_delta.
7588 (emit_push_insn): Update stack_pointer_delta.
7589 * function.h (struct expr_status): Add x_stack_pointer_delta;
7590 remove x_arg_space_so_far.
7591 (arg_space_so_far): Remove.
7592 (stack_pointer_delta): New macro.
7594 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7596 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7597 Reorder struct cpp_options and struct cpp_reader for better
7598 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7599 takes two args. Change all 'char' flags to 'unsigned char'.
7600 Move show_column flag into struct cpp_options. Don't
7601 prototype cpp_options_init.
7602 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7603 cppinit.c, cpplex.c, cpplib.c:
7604 Replace CPP_OPTIONS (pfile)->whatever with
7605 CPP_OPTION (pfile, whatever), and likewise for
7606 opts = CPP_OPTIONS (pfile); ... opts->whatever;
7608 * cppinit.c (merge_include_chains): Take a cpp_reader *.
7609 Extract CPP_OPTION (pfile, pending) and work with that
7611 (cpp_options_init): Delete.
7612 (cpp_reader_init): Turn on on-by-default options here.
7613 Allocate the pending structure here.
7614 (cl_options, enum opt_code): Define these from the same table,
7615 kept in a large macro. Add -fshow-column and -fno-show-column
7618 * cpperror.c (v_message): If show_column is off, don't print
7621 * cppmain.c: Update for new interface.
7622 * fix-header.c: Likewise.
7624 2000-03-30 Geoff Keating <geoffk@cygnus.com>
7626 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
7628 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
7629 are passed to any invocation of AR_FOR_TARGET.
7630 (AR_CREATE_FOR_TARGET): New macro.
7631 (AR_EXTRACT_FOR_TARGET): New macro.
7632 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7633 AR_EXTRACT_FOR_TARGET.
7634 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7635 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7636 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7637 AR_EXTRACT_FOR_TARGET to sub-makes.
7639 2000-03-31 Neil Booth <NeilB@earthling.net>
7641 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7643 (_cpp_parse_expr): Check for multiple unary +/- operators.
7644 Correct priorities of ':' and '?'. Treat ')' as having a
7645 value. Ensure conditional expression is not void.
7647 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7649 * alias.c (canon_rtx): Make it global.
7650 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7652 * cse.c (struct table_elt): Add canon_exp.
7654 (invalidate): Canonicalize expressions only once.
7655 * rtl.h (canon_rtx): Declare.
7657 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7659 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7660 * alias.c (reg_known_value): Add comments.
7661 (init_alias_analysis): Likewise.
7662 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7664 (cse_basic_block): Fix typo in comment.
7665 * emit-rtl.c: Include hashtab.h.
7666 (const_int_htab): New variable.
7667 (const_int_htab_hash): New function.
7668 (const_int_htab_eq): Likewise.
7669 (rtx_htab_mark_1): Likewise.
7670 (rtx_htab_mark): Likewise.
7671 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7672 (unshare_all_rtx): Fix formatting.
7673 (init_emit_once): Initialize const_int_htab.
7674 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7676 * rtl.texi: Document the fact that all CONST_INTs with the same
7679 2000-03-30 Richard Henderson <rth@cygnus.com>
7681 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7683 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7685 * configure.in: Comment out --enable-c-cpplib stanza.
7686 * configure: Regenerate.
7688 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7690 * expr.c (store_constructor): Properly compute displacement and
7691 alignment when offset is variable.
7693 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7694 cases of alignment in bytes.
7696 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7698 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7699 since it is used to generate c-parse.y.
7700 * objc-parse.c, objc-parse.y: Regenerated.
7702 * function.c (expand_function_end): Pass alignment argument to
7703 emit_block_move in bits, not bytes.
7705 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7707 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7710 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7712 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7713 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7714 * function.c (assign_parms): Likewise.
7715 * integrate.c (expand_inline_function): Likewise.
7716 * stmt.c (expand_decl): Likewise.
7717 (copy_rtx_and_substitute): Likewise.
7718 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7719 (clear_by_pieces): Fix error in last change.
7720 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7721 * function.h (regno_pointer_align): Now unsigned.
7722 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7724 * config/i386/i386.c (aligned_operand): Likewise.
7725 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7726 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7727 (unaligned_memory_operand): Likewise.
7728 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7729 Also make alignments and sizes unsigned and some whitespace cleanup.
7730 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7732 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7733 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7734 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7735 (expand_builtin_memset): Likewise, but to clear_storage.
7736 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7737 (restore_fixed_argument_area): Likewise.
7738 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7739 (load_register_parameters): Likewise, to emit_group_load.
7740 (expand_call): Likewise, to emit_group_store and emit_block_move.
7741 (emit_library_call_value_1): Likewise, to emit_block_move.
7742 (store_one_arg): Likewise, and to emit_push_insn.
7743 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7744 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7745 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7746 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7747 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7748 (expand_assigment, store_expr, store_constructor_field): Likewise.
7749 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7750 (store_constructor, store_field, get_inner_reference): Likewise.
7751 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7752 (expand_expr, case COMPONENT_REF): Likewise.
7753 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7754 and positions; reindent code.
7755 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7756 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7757 (assign_parms): Likewise to emit_group_store.
7758 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7759 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7760 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7761 (expand_return): Likewise to {extract,store}_bit_field.
7762 * stor-layout.c (get_mode_alignment): Minor cleanup.
7763 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7764 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7766 2000-03-29 Nick Clifton <nickc@cygnus.com>
7768 * config/arm/arm.h: Undo effects of previous delta:
7769 (ASM_SPEC): Do not define.
7770 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7772 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7775 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7777 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7778 only after reading in the primary source file.
7780 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7782 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7783 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7784 or a reference to a va_list.
7785 * builtins.c (stabilize_va_list): Simplify now we don't have to
7786 work around C array address decay.
7787 * c-typeck.c (convert_for_assignment): Handle assignment to
7788 a reference parameter by taking the address of the RHS.
7789 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7790 (va_copy): Likewise.
7791 (__va_copy): Likewise.
7792 * ginclude/varargs.h (va_start): Likewise.
7793 (__va_copy): Likewise.
7795 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7797 * i386/djgpp.h: Remove extraneous "+".
7799 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7801 * calls.c (expand_call): Fix typo in last change.
7803 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7805 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7808 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7810 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7811 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7812 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7813 * tree.c (bit_position, byte_position): Likewise.
7814 * tree.h: Declare new functions.
7816 2000-03-29 Nick Clifton <nickc@cygnus.com>
7818 * config/arm/arm.c: Minor formatting changes/
7819 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7821 (ASM_SPEC): Define if not already defined.
7823 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7825 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7828 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7830 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7831 value, don't output it as unsigned.
7833 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7835 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7837 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7839 * c-common.c (c_common_nodes_and_builtins): Don't special case
7840 cplus_mode when declaring builtin bzero/bcmp, always avoid
7841 prototype arguments.
7843 2000-03-29 Bruce Korb <bkorb@gnu.org>
7845 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7848 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7850 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7851 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7852 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7853 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7854 (save_fixed_argument_area, restore_fixed_argument_area):
7855 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7856 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7857 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7858 (precompute_register_parameters): Avoid #ifdefs on
7859 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7860 (stire_one_args): Likewise.
7861 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7862 (emit_library_call_value_1): Likewise.
7863 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7864 ACCUMULATE_OUTGOING_ARGS.
7865 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7867 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7868 (use_crosses_set_p): Likewise.
7869 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7870 #define ACCUMULATE_OUTGOING_ARGS 1.
7871 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7873 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7875 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7876 (TARGET_SWITCHES): Add push-args, no-push-args,
7877 accumulate-outgoing-args and no-accumulate-outgoing-args.
7878 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7879 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7880 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7882 (emit_push_insn): Likewise.
7883 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7884 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7885 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7886 (STACK_DYNAMIC_OFFSET): Define correctly for both
7887 ACCUMULATE_OUTGOING_ARGS and normal mode.
7888 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7889 * tm.texi (PUSH_ARGS): Document.
7890 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7892 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7894 * flags.h (flag_optimize_sibling_calls): Declare.
7895 * calls.c (expand_call): Fail sibcall when
7896 !flag_optimize_sibling_calls
7897 * invoke.texi (flag_optimize_sibling_calls): Document.
7898 * toplev.c (flag_optimize_sibling_calls): New global variable.
7899 (f_options): Add flag_optimize_sibling_calls.
7900 (rest_of_compilation): Conditionize
7901 optimize_sibling_and_tail_recursive_calls by
7902 flag_optimize_sibling_calls.
7903 (main): Set flag_optimize_sibling_calls for -O2.
7904 * stmt.c (expand_return): Conditionize tail recursion by
7905 flag_optimize_sibling_calls.
7907 2000-03-29 Richard Henderson <rth@cygnus.com>
7909 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7910 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7912 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7914 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7916 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7918 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7920 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7921 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7922 * config/rs6000/aix.h: then modified likewise.
7924 2000-03-28 Richard Henderson <rth@cygnus.com>
7926 * rtl.h: Redistribute enum reg_note documentation.
7927 Kill trailing whitespace.
7928 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7929 Kill trailing whitespace.
7931 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7933 * cppfiles.c (hash_IHASH): Just return i->hash.
7934 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7935 htab_find_with_hash.
7936 (cpp_read_file): Likewise.
7937 (find_include_file): Likewise. Properly initialize
7938 ih->nshort. Share ih->name and ih->nshort if possible.
7939 * cpphash.c (_cpp_calc_hash): New function.
7940 (hash_HASHNODE): Just return h->hash.
7941 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7942 htab_find_with_hash.
7943 * cpphash.h: Prototype _cpp_calc_hash.
7944 * cppinit.c (initialize_builtins): Provide a valid hash
7945 to _cpp_make_hashnode, using _cpp_calc_hash.
7947 * cpphash.c (collect_expansion): # is not a special character
7948 in object-like macros. In -traditional mode, /**/ is not
7949 token paste at the beginning or end of the line.
7950 * cpplib.c (do_include, do_import, do_include_next): If
7951 parse_include fails, return immediately.
7953 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7955 * config/arm/arm.md (return peepholes): Update to reflect the new
7957 * config/arm/arm.c (arm_volatile_func): Also check
7958 current_function_nothrow.
7959 (output_return_instruction, output_func_prologue): Use it.
7960 (arm_output_epilogue, arm_expand_prologue): Likewise.
7962 2000-03-27 Tom Tromey <tromey@cygnus.com>
7964 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7967 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7969 * expr.c (store_constructor): SIZE now signed.
7970 For EXPR_SIZE, don't evaluate size; just needed if constant.
7971 * fold-const.c (fold): Fix a number of cases when folded tree is
7973 * function.c (flush_addressof): Reenable.
7974 * tree.h (flush_addressof): Likewise.
7975 * toplev.c (independent_decode_option): Look at strings_processed.
7976 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7978 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7980 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7981 Allow stack adjustment after function call.
7983 * regmove.c (struct csa_memlist): Make mem field rtx *.
7984 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7985 (try_apply_stack_adjustment): Replace whole MEM rtx.
7986 (combine_stack_adjustments_for_block): Update calls
7987 to record_one_stack_ref.
7989 2000-03-28 Neil Booth <NeilB@earthling.net>
7991 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7992 '\\' rather than a null character, so nulls are not special. Fix
7993 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7994 speed trigraph conversion.
7995 (_cpp_init_input_buffer): Initialize trigraph map.
7997 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7999 * config/i386/i386.c (output_387_binary_op): Correct intel
8000 mode assembly output, and add spaces after commas in AT&T
8001 output. Correct Unixware assembler comment. Document input
8002 constraints. Comment fp operations. Reduce profligate buffer
8003 size. Remove extraneous abort. Localize temp var.
8004 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
8005 (output_fix_trunc): Add spaces after commas in assembly output.
8007 2000-03-27 Richard Henderson <rth@cygnus.com>
8009 * i386-protos.h (ix86_match_ccmode): Declare.
8010 * i386.c (ix86_match_ccmode): New.
8011 (ix86_expand_fp_compare): Update for pattern renames.
8012 (ix86_expand_strlensi_unroll_1): Likewise.
8013 * i386.h (EXTRA_CC_MODES): Add CCZ.
8014 (SELECT_CC_MODE): Use it for EQ/NE zero.
8015 * i386.md (cmpsi_ccz_1): New.
8017 (*testsi_ccz_1): New.
8018 (testqi_ccz_1): New.
8019 (cmpsi_ccno_1): Rename from cmpsi_0.
8020 (testsi_ccno_1): Rename from testsi_1.
8021 (testqi_ccno_1): Rename from testqi_1.
8022 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
8023 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
8024 (*cmphi_0): Use ix86_match_ccmode.
8025 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
8026 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
8027 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
8028 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
8029 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
8030 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
8031 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
8032 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
8033 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
8034 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
8035 (appropriate peepholes): Likewise.
8036 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
8037 (*subsi_3, *subhi_3, *subqi_3): Remove.
8038 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
8039 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
8040 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
8041 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
8042 (x86_shift_adj_1): Use CCZ.
8043 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
8045 2000-03-27 Stan Cox <scox@cygnus.com>
8047 * resource.h (mark_resource_type): New.
8048 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
8049 find_free_register): Use mark_resource_type.
8050 (mark_set_resources): Change include_delayed_effects
8051 to mark_resource_type.
8052 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
8053 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
8054 Use mark_resource_type.
8056 2000-03-27 Richard Henderson <rth@cygnus.com>
8058 * i386.md (call_pop_0, call_value_pop_0): New.
8059 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
8060 (call_value_pop_1): Likewise.
8061 (call_0, call_value_0): New.
8062 (call_1, call_value_1): Remove constraint from unused arg.
8064 2000-03-27 Nick Clifton <nickc@cygnus.com>
8066 * invoke.texi (Spec Files): Document new spec % command created by
8067 Tom Tromey's recent patch.
8069 2000-03-27 Jakub Jelinek <jakub@redhat.com>
8071 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
8074 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8076 * expr.c (expand_assignment): Fix typo in last change.
8078 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
8080 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8082 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
8083 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
8084 and DECL_INLINE if FUNCTION_DECL.
8085 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
8086 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
8087 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
8088 (combine_parm_decls): Likewise.
8089 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
8090 * print-tree.c (print_node): Likewise.
8091 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
8092 DECL_TRANSPARENT_UNION on proper decl types.
8093 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
8094 * stor-layout.c (layout_decl): Only check DECL_PACKED and
8095 DECL_BIT_FIELD of FIELD_DECL.
8096 * tree.h (DECL_RESULT_FLD): New macro.
8098 * expr.c (expand_assignment): Add code to handle variable-sized
8101 2000-03-26 Richard Henderson <rth@cygnus.com>
8103 * calls.c (expand_call): Pass parms not original exp to
8104 optimize_tail_recursion. Mind return value instead of looking
8106 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
8107 call_expr. Move checks for call_expr and current_function_decl ...
8108 (expand_return): ... here.
8110 2000-03-26 Tom Tromey <tromey@cygnus.com>
8112 * gcc.c (handle_braces): Recognize `%{<S}' construct.
8113 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
8115 (process_command): Use them.
8116 (check_live_switch): Likewise.
8117 (give_switch): Skip ignored switches.
8119 2000-03-26 Jan Hubicka <jh@suse.cz>
8121 * jump.c (jump_optimize_1): Fix typo in elide optimizations
8122 for minimal jump pass test.
8124 2000-03-26 Mark Mitchell <mark@codesourcery.com>
8126 * integrate.c (function_cannot_inline_p): Do inline functions that
8129 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8131 * stor-layout.c (layout_type, set_sizetype): early_type_list is
8132 now a list of TREE_LIST entries, not types.
8133 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
8135 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
8136 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
8138 * config/mips/mips.c (function_arg): Likewise; also remove cast
8139 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
8140 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
8141 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
8142 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
8143 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
8144 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
8145 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
8146 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
8147 num_adjusts now unsigned.
8148 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
8149 * config/sparc/sparc.c (struct function_arg_record_value_parms):
8151 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
8152 as is BITPOS variable; use host_integerp and int_bit_position.
8153 (function_arg_record_value_2): Likewise.
8154 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
8155 Variable REGNO now unsigned.
8156 (function_arg_record_value): NREGS now unsigned.
8158 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8160 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
8162 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8164 * Rework fields used to describe positions of bitfields and
8165 modify sizes to be unsigned and use HOST_WIDE_INT.
8166 * alias.c (reg_known_value_size): Now unsigned.
8167 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
8168 (really_start_incremental_init): Use bitsize_zero_node.
8169 (push_init_level, pop_init_level, output_init_element): Likewise.
8170 Use bitsize_unit_node and bitsize_one_node.
8171 (output_pending_init_elements, process_init_element): Likewise.
8172 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
8173 (make_extraction): Position and length HOST_WIDE_INT and unsigned
8174 HOST_WIDE_INT, respectively.
8175 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
8176 (num_sign_bit_copies): Returns unsigned.
8177 BITWIDTH now unsigned; rework arithmetic.
8178 Remove recursive call from arg to MAX.
8179 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
8180 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
8182 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
8183 (find_split_point, expand_compound_operation, make_extraction): LEN
8184 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
8185 (make_field_assignment): Likewise.
8186 (combine_simplify_rtx): Add cast.
8187 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
8188 (force_to_mode): WIDTH now unsigned; add cast.
8189 (if_then_else_cond): SIZE now unsigned.
8190 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
8191 (extended_count): Now returns unsigned.
8192 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
8193 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
8194 (simplify_comparison): MODE_WIDTH now unsigned.
8195 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
8196 (mark_used_regs_combine): Likewise; rework arithmetic.
8197 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
8198 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
8199 (record_promoted_value): REGNO now unsigned.
8200 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
8201 (get_last_value): REGNO now unsigned.
8202 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
8203 (reg_dead_regno, reg_dead_endregno): Now unsigned.
8204 (remove_death): Arg REGNO now unsigned.
8205 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
8206 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
8208 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
8209 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
8210 (struct cse_reg_info): REGNO now unsigned.
8211 (cached_regno): Now unsigned.
8212 (REGNO_QTY_VALID_P): Add cast.
8213 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
8214 (remove_invalid_regs): Likewise.
8215 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
8216 as are variables END and I.
8217 (get_cse_reg_info, insert): Likewise.
8218 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
8219 (canon_hash): Likewise.
8220 (insert_regs, lookup_for_remove): REGNO now unsigned.
8221 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
8223 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
8224 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
8225 * emit-rtl.c (subreg_realpart_p): Add cast.
8226 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
8227 (operand_subword_force): Arg I is now unsigned.
8228 * except.c (eh_regs): Variable I is now unsigned.
8229 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
8230 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
8231 length is unsigned HOST_WIDE_INT; likewise for internal variables.
8232 (store_split_bit_field, extract_fixed_bit_field): Likewise.
8233 (extract_split_bit_field, store_bit_field, extract_bit_field):
8235 * expr.c (store_constructor_fields, store_constructor, store_field):
8236 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
8237 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
8238 (do_jump): Likewise.
8239 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
8240 MAX_SIZE is now unsigned.
8241 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
8242 (emit_group_store): Likewise.
8243 (emit_move_insn): I now unsigned.
8244 (store_constructor): Use host_integerp, tree_low_cst, and
8246 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
8247 Rework all calculations to use trees and new fields.
8248 * expr.h (promoted_input_arg): Regno now unsigned.
8249 (store_bit_field, extract_bit_field): Adjust types of pos and size.
8250 (mark_seen_cases): Arg is HOST_WIDE_INT.
8251 * flow.c (verify_wide_reg_1): REGNO now unsigned.
8252 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
8253 precisions and alignments are unsigned.
8254 (optimize_bit_field_compare, fold_truthop): Likewise.
8255 (int_const_binop): Adjust threshold for size_int_type_wide call.
8256 (fold_convert): Likewise.
8257 (size_int_type_wide): Make table larger and fix thinko that only
8258 had half of table used.
8259 (all_ones_mask_p, fold): Precisions are unsigned.
8260 * function.c (put_reg_info_stack): REGNO is unsigned.
8261 (instantiate_decl): Size is HOST_WIDE_INT.
8262 (instantiate_virtual_regs): I is unsigned.
8263 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
8264 (promoted_input_arg): REGNO is unsigned.
8265 * function.h (struct function): x_max_parm_reg is now unsigned.
8266 * gcse.c (max_gcse_regno): Now unsigned.
8267 (struct null_pointer_info): min_reg and max_reg now unsigned.
8268 (lookup_set, next_set): REGNO arg now unsigned.
8269 (compute_hash_table): REGNO and I now unsigned.
8270 (handle_avail_expr): regnum_for_replacing now unsigned.
8271 (cprop_insn): REGNO now unsigned.
8272 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
8273 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
8274 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
8275 * hard-reg-set.h (reg_class_size): Now unsigned.
8276 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
8277 * jump.c (mark_modified_reg): I now unsigned; add cast.
8278 (rtx_equal_for_thread_p): Add cast.
8279 * loop.c (max_reg_before_loop): Now unsigned.
8280 (struct_movable): REGNO now unsigned.
8281 (try_copy_prop): REGNO arg unsigned.
8282 (regs_match_p): XN and YN now unsigned.
8283 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
8284 (strength_reduce): Likewise; NREGS also unsigned.
8285 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
8286 * loop.h (struct iv_class): REGNO now unsigned.
8287 (max_reg_before_loop, first_increment_giv, last_increment_giv):
8289 * machmode.h (mode_size, mode_unit_size): Now unsigned.
8290 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
8291 * optabs.c (expand_binop): I and NWORDS now unsigned.
8292 (expand_unop): I now unsigned.
8293 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
8294 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
8295 * real.c (significand_size): Now returns unsigned.
8296 * real.h (significand_size): Likewise.
8297 * regclass.c (reg_class_size): Now unsigned.
8298 (choose_hard_reg_mode): Both operands now unsigned.
8299 (record_reg_classes): REGNO and NR now unsigned.
8300 (reg_scan): NREGS now unsigned.
8301 (reg_scan_update): old_max_regno now unsigned.
8302 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
8303 * reload.c (find_valid_class): BEST_SIZE now unsigned.
8304 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
8305 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
8306 Likewise for variable R.
8307 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
8308 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
8309 (find_equiv_reg): Add casts.
8310 (regno_clobbered_p): Arg REGNO now unsigned.
8311 * reload.h (struct reload): NREGS now unsigned.
8312 (refers_to_regno_for_reload_p): Regno args are unsigned.
8313 (regno_clobbered_p): Likewise.
8314 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
8315 (compute_use_by_pseudos): REGNO now unsigned.
8316 (find_reg): I and J now unsigned, new variable K, and change loop
8317 variables accordingly; THIS_NREGS now unsigned.
8318 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
8319 (spill_hard_reg): REGNO arg now unsigned; add casts.
8320 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
8321 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
8322 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
8323 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
8324 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
8325 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
8326 (emit_reload_insns): REGNO now unsigned.
8327 (reload_cse_move2add): Add cast.
8328 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
8330 * resource.c (mark_referenced_resources, mark_set_resources): New
8331 variable R; REGNO and LAST_REGNO now unsigned.
8332 (mark_target_live_regs): J and REGNO now unsigned.
8333 * rtl.c (mode_size, mode_unit_size): Now unsigned.
8334 * rtl.h (union rtunion_def): New field rtuint.
8335 (XCUINT): New macro.
8336 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
8337 (operand_subword, operand_subword_force): Word number is unsigned.
8338 (choose_hard_reg_mode): Operands are unsigned.
8339 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
8340 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
8341 (regno_use_in, combine_instructions, remove_death): Likewise.
8342 (reg_scan, reg_scan_update): Likewise.
8343 (extended_count): Return is unsigned.
8344 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
8345 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
8346 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
8347 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
8348 (reg_reg_last_1): FIRS and LAST now unsigned.
8349 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
8350 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
8352 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
8353 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
8354 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
8355 (replace_regs): Arg NREGS now unsigned.
8356 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
8357 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
8358 (simplify_binary_operation): Likewise.
8359 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
8360 THIS_LAST now unsigned.
8361 (cselib_record_set): Add cast.
8362 * ssa.c (ssa_max_reg_num): Now unsigned.
8363 (rename_block): REGNO now unsigned.
8364 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
8366 (all_cases_count): Just return -1 not -2.
8367 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
8368 Rework tests to use trees whenever possible.
8369 Use host_integerp and tree_low_cst.
8370 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
8371 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
8372 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
8373 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
8374 (smallest_mode_for_size): Likewise.
8375 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
8376 KNOWN_ALIGN is now an alignment, so simplify code.
8377 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
8378 (start_record_layout): Renamed from new_record_layout_info.
8379 Update to new fields.
8380 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
8382 (place_union_field): Renamed from layout_union_field.
8383 Update to use new fields in rli.
8384 (place_field): Renamed from layout_field.
8385 Major rewrite to use new fields in rli; pass alignment to layout_decl.
8386 (finalize_record_size): Rework to use new fields in rli and handle
8388 (compute_record_mode): Rework to simplify and to use new DECL fields.
8389 (finalize_type_size): Make rounding more consistent.
8390 (finish_union_layout): Deleted.
8391 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
8392 (layout_type, case RECORD_TYPE): Call new function names.
8393 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
8394 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
8395 (get_best_mode): UNIT is now unsigned; remove casts.
8396 * tree.c (bit_position): Compute from new fields.
8397 (byte_position, int_byte_position): New functions.
8398 (print_type_hash_statistics): Cast to remove warning.
8399 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
8400 (build_index_type): Likewise; make subtype of sizetype.
8401 (build_index_2_type): Pass sizetype to build_range_type.
8402 (build_common_tree_nodes): Use size_int and bitsize_int to
8403 initialize nodes; add bitsize_{zero,one,unit}_node.
8404 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
8405 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
8406 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
8407 (DECL_FIELD_BITPOS): Deleted.
8408 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
8409 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
8410 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
8411 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
8412 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
8413 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
8414 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
8415 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
8416 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
8417 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
8418 (DECL_ALIGN): Adjust to new field in union.
8419 (DECL_OFFSET_ALIGN): New field.
8420 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
8421 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
8422 (union tree_decl): Add struct for both aligns.
8423 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
8424 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
8425 (struct record_layout_info): Rework fields to have offset
8426 alignment and byte and bit position.
8427 (start_record_layout, place_field): Renamed from old names.
8428 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
8429 (byte_position, int_byte_position): Likewise.
8430 (get_inner_reference): Change types of position and length.
8431 * unroll.c (unroll_loop): New variable R; use for some loops.
8432 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
8433 (calculate_giv_inc): Arg REGNO now unsigned.
8434 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
8435 * varasm.c (assemble_variable): Clean up handling of size using
8436 host_integerp and tree_low_cst.
8437 (decode_addr_const): Use byte, not bit, position.
8438 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
8439 use tree_low_cst and int_bit_position.
8440 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
8442 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
8444 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
8445 (reorder_block_def): New members eff_head and eff_end.
8446 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
8447 (verify_insn_chain): New function.
8448 (skip_insns_between_block): Add code to skip deleted insns.
8449 Check for note before using.
8450 (chain_reorder_blocks): Replace calls to skip_insns_between_block
8451 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
8452 Check for note before using.
8453 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
8454 (fixup_reorder_chain): Restructure, clean up, defect removal.
8455 (reorder_basic_blocks): Remove last_insn and references to it.
8456 Moved insn chain verification code into a new function (see above).
8457 Delete defective code that sets last insn.
8458 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
8461 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8463 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
8465 2000-03-24 Richard Henderson <rth@cygnus.com>
8467 * tree.c (lang_safe_for_unsave): Remove.
8468 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
8469 allowing for two levels of unsafeness. Remove lang hook.
8470 * tree.h: Update declarations.
8471 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
8472 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
8473 Always fail sibcalls when there are pending cleanups.
8475 2000-03-24 Geoff Keating <geoffk@cygnus.com>
8477 * flow.c (propagate_block): When we delete an ADDR_VEC,
8478 also delete the BARRIER following it if there is one.
8480 2000-03-24 Richard Henderson <rth@cygnus.com>
8482 * builtins.c (expand_builtin_bzero): Convert `length' argument
8485 2000-03-24 Jakub Jelinek <jakub@redhat.com>
8487 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
8488 comparison if regno's are equal.
8489 * calls.c (initialize_argument_informat): Add ecf_flags argument.
8490 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8491 (expand_call): Update caller.
8492 Avoid making a sibling call if argument size of the callee is larger
8493 than argument size of the caller.
8494 Call hard_function_value with outgoing set if in sibcall pass.
8495 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8497 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
8498 Change LEAF_REGISTERS from an array initializer to actual array
8499 identifier. Move static global variable into the function.
8500 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
8501 sequences for leaf functions.
8502 * global.c (global_alloc): Likewise.
8503 * tm.texi (LEAF_REGISTERS): Update documentation.
8505 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
8506 TARGET_FLAT leaf disabling hack.
8507 (LEAF_REGISTERS): Changed from an array initializer to actual array
8508 identifier to avoid duplication and remove the above hack.
8509 (FUNCTION_OK_FOR_SIBCALL): Define.
8510 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
8511 always like call attribute.
8512 (eligible_for_sibcall_delay): New attribute.
8513 (sibcall): New delay type.
8514 (sibcall, sibcall_value, sibcall_epilogue): New expands.
8515 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
8516 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
8517 * config/sparc/sparc.c (sparc_leaf_regs): New array.
8518 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
8520 (output_function_epilogue): Move part of the code into
8521 output_restore_regs.
8522 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
8524 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
8527 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
8528 until infrastructure is finished.
8530 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
8532 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
8533 (save_parm_insns): Not here.
8535 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8537 * builtins.c (expand_builtin_bzero): New function.
8538 (expand_builtin): Handle bzero.
8540 * builtins.def: Add BUILT_IN_BZERO.
8542 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8543 prototype & function for bzero.
8545 2000-03-23 Michael Meissner <meissner@redhat.com>
8547 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
8548 change adding TARGET_FP to the TF floating point insns, except for
8549 trunctfsf2, which generates direct calls to truncdfsf2.
8551 2000-03-23 Geoff Keating <geoffk@cygnus.com>
8553 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
8554 try to protect against middle-end changes that break binary
8556 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8558 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8560 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
8562 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8564 * calls.c (expand_call): If TARGET is passed by reference and
8565 is readonly, write a CLOBBER.
8567 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8569 * builtins.c (expand_builtin): Handle bcmp.
8571 * builtins.def: Add BUILT_IN_BCMP.
8573 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8574 prototype & function for bcmp.
8576 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8578 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8579 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8580 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8582 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8584 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8585 alternative when using -fp64 -gp32.
8587 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8589 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8590 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8591 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8593 * frame.h (frame_state): Revert last change.
8594 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8595 * libgcc2.c (throw_helper): Revert last change.
8597 2000-03-22 Richard Henderson <rth@cygnus.com>
8599 * stmt.c (expand_asm_operands): Don't promote the temporary.
8601 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8603 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8604 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8605 c_get_alias_set): Likewise.
8606 * c-decl.c (duplicate_decls): Likewise.
8607 * c-typeck.c (default_conversion,build_unary_op): Likewise.
8608 * calls.c (initialize_argument_information): Likewise.
8609 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
8611 * dwarfout.c (decl_class_context,output_type): Likewise.
8612 * expr.c (get_inner_reference): Likewise.
8613 * fold-const.c (simple_operand_p,fold): Likewise.
8614 * function.c (aggregate_value_p): Likewise.
8615 * stmt.c (expand_asm_operands): Likewise.
8616 * varasm.c (named_section): Likewise.
8618 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8620 Implement dwarf2 exception handling for the ARM.
8621 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
8622 (DWARF_FRAME_RETURN_COLUMN): Define.
8623 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
8624 REG_FRAME_RELATED_EXPR note.
8625 (emit_sfm): Likewise.
8626 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
8627 * dwarf2out.c (reg_save): Handle saving a register to itself.
8628 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
8629 * except.c (eh_regs): Don't use the static chain reg if it's
8631 * frame.h (frame_state): Add cfa_saved field.
8632 * frame.c (execute_cfa_insn): Set it.
8633 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8635 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8637 (instantiate_virtual_regs): Adjust.
8639 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8640 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8641 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8643 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8644 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8646 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8648 * builtins.def: New file.
8650 * Makefile.in (TREE_H): Depend on builtins.def.
8652 * builtins.c (built_in_names): Use builtins.def.
8654 * tree.h (built_in_function): Likewise.
8656 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8658 * tree.c (size_in_bytes): Return size_zero_node, not
8661 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8663 * config/fp-bit.c (pack_d): Correct the case when a denormal
8664 is rounded up and stops being denormal.
8666 2000-03-21 Richard Henderson <rth@cygnus.com>
8668 * config/alpha/alpha.c (function_arg): Check for void_type_node
8669 before using MUST_PASS_IN_STACK.
8671 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8673 * regmove.c (combine_stack_adjustments_for_block): Check that
8674 the stack pointer is a valid memory address.
8676 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8678 * calls.c: re-install Mar 16 emit_library_call merge.
8680 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8682 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8683 we cannot be sure that if reload_completed base register will
8684 be properly aligned.
8686 2000-03-21 Richard Henderson <rth@cygnus.com>
8688 * flow.c (delete_block): Fix typo last change.
8690 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8692 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8693 not COMPLETE_TYPE_P, to check the type of the expression.
8695 2000-03-21 Michael Meissner <meissner@redhat.com>
8697 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8698 all floating point insns that just tested the macro
8699 TARGET_HAS_XFLOATING_LIBS.
8700 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8701 used to only use the gprs.
8703 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8705 * tree.h (COMPLETE_TYPE_P): New macro.
8706 (COMPLETE_OR_VOID_TYPE_P): New macro.
8707 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8708 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8709 * c-aux-info.c (gen_type): Use them.
8710 * c-common.c (c_expand_expr_stmt): Likewise.
8711 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8712 grokdeclarator, grokparms, finish_struct, start_function,
8713 store_parm_decls, combine_parm_decls): Likewise.
8714 * c-parse.y (cast_expr): Likewise.
8715 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8716 c_size_in_bytes, c_alignof, build_component_ref,
8717 build_indirect_ref, build_array_ref, convert_arguments,
8718 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8719 * calls.c (initialize_argument_information): Likewise.
8720 * convert.c (convert_to_integer): Likewise.
8721 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8722 * dwarfout.c (location_or_const_value_attribute,
8723 output_enumeration_type_die, output_structure_type_die,
8724 output_union_type_die, output_type): Likewise.
8725 * expr.c (safe_from_p, expand_expr): Likewise.
8726 * function.c (assign_parms): Likewise.
8727 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8728 * tree.c (build_array_type, build_function_type,
8729 build_method_type, build_offset_type, build_complex_type): Likewise.
8730 * c-parse.c, c-parse.h: Regenerated.
8732 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8734 * config/c4x/rtems.h: Include config/rtems.h.
8736 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8738 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8739 decl is a FUNCTION_DECL
8741 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8743 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8744 function uses output registers. Don't save RP for leaf functions.
8745 Do save RP even if no epilogue.
8746 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8747 (CALL_USED_REGISTERS): Unmark in registers.
8748 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8751 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8753 * config/rs6000/rs6000.md (bunordered): New expander.
8754 (bordered): New expander.
8755 (buneq): New expander.
8756 (bunge): New expander.
8757 (bungt): New expander.
8758 (bunle): New expander.
8759 (bunlt): New expander.
8760 (bltgt): New expander.
8762 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8763 (ccr_bit_negated_p): New function.
8764 (print_operand): For %C, generate appropriate cror for UNEQ,
8765 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8767 2000-03-20 Andreas Jaeger <aj@suse.de>
8769 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8772 * tree.h (safe_for_unsave): Prototype.
8774 2000-03-20 Richard Henderson <rth@cygnus.com>
8776 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8777 (combine_stack_adjustments_for_block): Don't allow sp references
8778 in the side of a set we're not fixing up.
8779 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8780 after life_analysis.
8782 2000-03-20 Richard Henderson <rth@cygnus.com>
8784 * calls.c (expand_call): Don't bother generating tail call
8785 sequences if there are pending cleanups. Use
8786 expand_start_target_temps/expand_end_target_temps to elide
8787 cleanups created during sibcall expansion.
8789 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8791 * configure.in: Set $IFS to a value if it doesn't already have one
8792 in the --enable-checking handling.
8793 * configure: Regenerate.
8795 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8797 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8798 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8801 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8803 * jump.c (delete_noop_moves): Remove code attempting to
8804 combine stack adjustments.
8806 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8808 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8809 * except.c (emit_cleanup_handler): Use them.
8810 (expand_end_all_catch): Likewise.
8811 * function.c (fixup_var_refs): Likewise.
8812 (expand_function_end): Clear catch_clauses_last.
8813 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8814 * except.h (struct eh_status): New field x_catch_clauses_last.
8815 (catch_clauses_last): New define.
8817 * Makefile.in (tree.o): Depend on HASHTAB_H.
8818 * tree.c: Include hashtab.h.
8819 (struct type_hash): Remove next field.
8820 (TYPE_HASH_SIZE): Remove.
8821 (TYPE_HASH_INITIAL_SIZE): New define.
8822 (type_hash_table): Change type to htab_t.
8823 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8824 mark_hash_entry): New functions.
8825 (init_obstacks): Allocate type hash.
8826 (type_hash_lookup): Use htab functions.
8827 (type_hash_add, mark_type_hash): Likewise.
8828 (dump_tree_statistics): Call print_type_hash_statistics.
8830 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8832 * rs6000/t-aix41: New file.
8834 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8836 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8838 * tm.texi (Driver): Fix typos and tweak entry for
8840 Move misplaced STRUCT_FORCE_BLK entry ...
8841 (Storage Layout): ... to here.
8842 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8844 2000-03-19 Richard Henderson <rth@cygnus.com>
8846 * flow.c (delete_block): Delete the addr_vec along with the block.
8847 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8850 * fold-const.c (extract_muldiv): Apply type check for defined
8851 overflow to multiply as well as divide.
8853 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8855 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8857 * emit-rtl.c (remove_unncessary_notes): Check that all
8858 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8859 associated NOTE_BLOCK.
8860 * function.h (identify_blocks): Update comments.
8861 (reorder_blocks): Declare.
8862 * function.c (identify_blocks): Don't take paramters.
8863 (reorder_blocks): Don't take parameters.
8864 * loop.h (find_loop_tree_blocks): Remove.
8865 (unroll_block_trees): Likewise.
8866 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8867 reorder_blocks instead of unroll_block_trees.h
8868 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8869 * stmt.c (find_loop_tree_blocks): Remove.
8870 (unroll_block_trees): Likewise.
8871 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8872 in whole-function mode.
8873 * tree.h (reorder_blocks): Remove declaration.
8875 * expr.c: Include intl.h.
8876 * Makefile.in (expr.o): Depend on intl.h.
8878 2000-03-18 Richard Henderson <rth@cygnus.com>
8880 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8882 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8884 * tree.h (tree_index): Remove enumerals for integer types.
8885 (integer_type_kind): New type.
8886 (integer_types): New variable.
8887 (char_type_node): Adjust.
8888 (signed_char_type_node): Likewise.
8889 (unsigned_char_type_node): Likewise.
8890 (short_integer_type_node): Likewise.
8891 (short_unsigned_type_node): Likewise.
8892 (integer_type_node): Likewise.
8893 (unsigned_type_node): Likewise.
8894 (long_integer_type_node): Likewise.
8895 (long_unsigned_type_node): Likewise.
8896 (long_long_integer_type_node): Likewise.
8897 (long_long_unsigned_type_node): Likewise.
8898 * tree.c (integer_types): New variable.
8899 (init_obstacks): Register it as a root.
8901 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8903 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8904 NEXT_INSN. Update last insn in chain.
8906 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8908 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8909 with TYPE_DECL_SUPPRESS_DEBUG set.
8911 2000-03-18 Richard Henderson <rth@cygnus.com>
8913 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8915 2000-03-18 Richard Henderson <rth@cygnus.com>
8917 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8918 care for HALF_PIC_P.
8919 (expander_call_insn_operand): Remove.
8920 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8921 * i386.h (PREDICATE_CODES): Update.
8922 * i386.md (all call expanders): Remove predicates, remove special
8923 handling for half-pic.
8924 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8925 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8926 (sibcall_epilogue): New.
8928 2000-03-17 Richard Henderson <rth@cygnus.com>
8930 * rtlanal.c (single_set): Reject if the parallel has anything
8931 except SET or USE or CLOBBER.
8933 2000-03-17 Jeff Law <law@cygnus.com>
8934 Richard Henderson <rth@cygnus.com>
8936 * Makefile.in (OBJS): Add sibcall.o.
8938 * sibcall.c: New file.
8939 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8940 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8941 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8942 Emit sibcall patterns when requested. Update all callers.
8943 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8944 elimination seems feasable.
8945 * final.c (leaf_function_p): Sibling calls don't discount being
8947 * flow.c (HAVE_sibcall_epilogue): Provide default.
8948 (find_basic_blocks_1): Sibling calls don't throw.
8949 (make_edges): Make edge from sibling call to EXIT.
8950 (propagate_block): Don't remove sibcall_epilogue insns.
8951 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8952 (sibcall_epilogue): New.
8953 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8954 (identify_blocks_1): Likewise. Break out from ...
8955 (identify_blocks): ... here.
8956 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8957 (reorder_blocks): ... here.
8958 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8959 (record_insns): Extend a varray instead of mallocing new memory.
8960 (contains): Read a varray not array of ints.
8961 (sibcall_epilogue_contains): New.
8962 (thread_prologue_and_epilogue_insns): Emit and record
8963 sibcall_epilogue patterns.
8964 (init_function_once): Allocate prologue/epilogue varrays.
8965 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8966 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8968 (save_for_inline_nocopy): ... here.
8969 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8971 (expand_inline_function): ... here.
8972 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8973 (subst_constants): Handle 'n' formats.
8974 * jump.c (jump_optimize_minimal): New.
8975 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8976 optimizations if it's set.
8977 * rtl.c (copy_rtx): Do copy jump & call for insns.
8978 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8979 (SIBLING_CALL_P): New.
8980 (sibcall_use_t): New.
8981 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8982 Invoke optimize_sibling_and_tail_recursive_calls.
8983 * tree.c (lang_safe_for_unsave): New.
8984 (safe_for_unsave): New.
8985 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8987 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8988 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8989 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8991 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8993 * objc/objc-act.c (encode_method_prototype): Pass types, not
8994 PARM_DECLs, to int_size_in_bytes.
8996 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8998 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
9000 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9001 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
9003 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9005 * Clean up usages of TREE_INT_CST_LOW.
9006 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
9007 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9009 * c-tree.h (min_precision): Move declaration to here.
9010 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
9011 (build_unary_op, add_pending_init): Use bit_position.
9012 (pending_init_member, process_init_element): Likewise.
9013 (really_start_incremental_init, push_init_level, pop_init_level):
9014 Don't make copies of nodes or modify them in place, use consistent
9015 types when tracking positions, and use tree routines computations.
9016 (set_init_index, output_init_element): Likewise.
9017 (output_pending_init_elements, process_init_element): Likewise.
9018 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
9019 tree_low_cst and int_bit_position; also minor cleanup.
9020 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
9021 (print_cst_octal): Precision is unsigned.
9022 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
9023 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
9024 (simple_type_align_in_bits): Result is unsigned int.
9025 Use tree_int_low_cst and host_integerp.
9026 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
9027 (field_byte_offset): Result is HOST_WIDE_INT.
9028 Change types of internal variables so alignments are unsigned int,
9029 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
9030 Use host_integerp, tree_low_cst, and int_bit_position.
9031 (add_bit_offset_attribute): Likewise.
9032 (add_data_member_location_attribute): Use tree_cst_low.
9033 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
9034 (add_bit_size_attribute): Use tree_low_cst.
9035 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
9036 * dwarfout.c: Similar changes to dwarf2out.c.
9037 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
9038 * genoutput.c (n_occurences): Return -1 for null string.
9039 (strip_whitespace): Accept null string and make into function.
9040 (scan_operands): Reflect above changes.
9041 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
9042 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
9043 * ssa.c (rename_registers): Add missing cast of arg to bzero.
9044 * tree.c (int_size_in_bytes): Check for too big to represent.
9045 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
9046 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
9048 (min_precision): Delete from here.
9049 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
9050 and int_bit_position.
9051 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
9052 (encode_method_def): Likewise.
9053 (build_ivar_list_initializer): Use int_bit_position.
9054 (generate_shared_structures): Convert size.
9055 (encode_type, encode_complete_bitfield): Use integer_zerop.
9056 (encode_bitfield): Use tree_low_cst and int_bit_position.
9058 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9060 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
9062 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9064 * call.c (special_function_p): It is only malloc if it returns
9067 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9069 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
9070 (C33_FLAG, TARGET_C3X): Add macros.
9071 (TARGET_SWITCHES): Add -m33 option.
9072 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
9074 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9076 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
9077 (PARALLEL_PACK_FLAG): Delete.
9078 (TARGET_SWITCHES): Update.
9079 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
9081 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9083 * fold-const.c (fold): Fix a few cases when the returned result
9084 is not of the same type as the input.
9086 2000-03-16 Nick Clifton <nickc@cygnus.com>
9088 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
9091 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9093 * libgcc2.h: Move prototypes above macros with the same name.
9094 Wrap some function prototypes in the conditional which indicates
9095 whether they are supported, i.e. "BITS_PER_UNIT == 8".
9097 2000-03-16 Richard Henderson <rth@cygnus.com>
9099 * calls.c: Revert last two changes.
9101 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
9103 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
9104 has exponent 0 is a zero.
9106 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
9107 HASH may already be nonzero. Add code/mode into hash value
9108 immediately after repeat label.
9109 (cselib_lookup): Don't leave the hash table in an inconsistent
9110 state before a hash lookup operation.
9112 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
9114 * i386.md (all HI and QI mode non-move patterns): Conditionize
9115 by TARGET_[HQ]IMODE_MATH.
9116 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9117 x86_promote_qi_regs): Declare.
9118 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
9119 TARGET_PROMOTE_QI_REGS): New macros.
9120 (PROMOTE_MODE): New macro.
9121 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9122 x86_promote_qi_regs): New global variables.
9124 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
9126 * calls.c (emit_library_call_value_1): Break out from ...; handle
9127 VOIDmode function calls too.
9128 (emit_library_call_value): ... here.
9129 (emit_library_call): Implement by calling emit_library_call_value_1.
9131 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
9133 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
9134 Update arg_space_so_far on stack adjustments.
9135 (emit_library_call, emit_library_call_value): Likewise; take into
9136 account arg_space_so_far and pending_stack_adjust when calculcating
9139 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
9141 * flow.c: Move all basic block reordering code into its own file.
9142 (create_basic_block): Externalize.
9143 * bb-reorder.c: New file. Copy all basic block reordering code from
9144 flow.c to this file.
9145 (reorder_basic_blocks): Fix fencepost error in for-loop.
9146 (reorder_basic_blocks): Remove braces from single statement for-loops.
9147 * basic-block.h: Add declaration for create_basic_block.
9148 * Makefile.in: Add rules for bb-reorder.o.
9150 2000-03-16 Neil Booth <NeilB@earthling.net>
9152 * cppinit.c (handle_option): Implement #unassert directive
9153 as -A- command line option.
9154 (print_help): Update.
9155 * cpptexi.c: Update.
9157 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
9159 * md.texi (Standard Names): Document `jump'.
9161 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9163 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
9166 2000-03-15 Geoff Keating <geoffk@cygnus.com>
9168 Merge changes from newppc-branch onto trunk.
9170 2000-03-15 Geoff Keating <geoffk@cygnus.com>
9172 * rs6000.c (toc_hash_table): Update for new hash table functions.
9173 (toc_hash_function): Likewise.
9174 (toc_hash_eq): Likewise.
9175 (toc_hash_mark_entry): Likewise.
9176 (toc_hash_mark_table): Likewise.
9177 (output_toc): Likewise.
9178 (rs6000_add_gc_roots): Likewise.
9180 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9182 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
9183 (AR_FLAGS_FOR_TARGET): here. New macro.
9185 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
9187 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
9188 fpmem_operand) Delete.
9190 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
9191 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
9192 (rs6000_save_machine_status, rs6000_restore_machine_status,
9193 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
9194 references to above variables.
9195 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
9196 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
9197 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
9198 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
9199 (XER_REGNO_P, XER_REGNO): New.
9200 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
9201 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
9202 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
9204 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9205 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
9206 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
9208 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9210 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
9211 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
9212 * rs6000.h: from here.
9214 * rs6000-protos.h (rs6000_select_section): Provide prototype.
9215 (rs6000_select_rtx_section): Likewise.
9216 (rs6000_encode_section_info): Likewise.
9217 (sdata_section): Likewise.
9218 (sdata2_section): Likewise.
9219 (sbss_section): Likewise.
9220 * sysv4.h (rs6000_select_section): Delete prototype.
9221 (rs6000_select_rtx_section): Likewise.
9222 (rs6000_encode_section_info): Likewise.
9223 (sdata_section): Likewise.
9224 (sdata2_section): Likewise.
9225 (sbss_section): Likewise.
9226 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
9228 * sysv4.h: Delete various unnecessary #undef's and put a comment
9229 on the remaining ones.
9230 Change various comments according to coding standard.
9232 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
9234 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
9235 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
9236 (CR0_REGNO_P) Remove.
9237 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
9238 setup_incoming_varargs, mtcrf_operation, print_operand,
9239 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
9240 Use the above macros.
9242 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
9244 * config/rs6000/rs6000.md: Added a new alternative for each
9245 pattern that had a 'x' alternative but no 'y' alternative.
9246 Added a new split for each of the above patterns.
9248 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9250 * aix41.h (ASM_CPU_SPEC): Delete.
9251 (CPP_CPU_SPEC): Delete.
9253 * aix.h (RS6000_OUTPUT_BASENAME): Define.
9254 (ASM_OUTPUT_LABEL): Define.
9255 (ASM_GLOBALIZE_LABEL): Define.
9256 (STRIP_NAME_ENCODING): Define.
9257 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
9258 (STRIP_NAME_ENCODING): Don't define.
9259 (ASM_OUTPUT_LABEL): Don't define.
9260 (ASM_GLOBALIZE_LABEL): Don't define.
9261 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
9262 names, and ASM_OUTPUT_LABEL to output labels, rather than
9264 (ASM_OUTPUT_LABEL): Define.
9265 (ASM_OUTPUT_INT): Use assemble_name.
9266 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
9267 (STRIP_NAME_ENCODING): Don't undefine first.
9268 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
9270 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
9271 specified with 'asm' even with -fleading-underscore.
9272 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
9273 (output_epilog): Likewise.
9274 (output_toc): Likewise.
9275 * tramp.asm: Handle -fleading-underscore correctly.
9277 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
9279 (nonlocal_goto_receiver): Delete.
9280 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
9282 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
9283 (SET_ASM_OP): Define.
9284 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
9286 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
9289 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
9290 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
9292 * rs6000.h: Add 'u' to more constants.
9294 2000-02-18 David Edelsohn <edelsohn@gnu.org>
9296 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
9298 2000-02-15 David Edelsohn <edelsohn@gnu.org>
9300 * rs6000.c (reg_or_u_cint_operand): New function.
9301 (logical_operand): Handle 64-bit hosts.
9302 (logical_u_operand): New function.
9303 (non_logical_cint_operand): Handle 64-bit hosts.
9304 (non_logical_u_cint_operand): New function.
9305 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
9306 (PREDICATE_CODES): Define new functions.
9307 * rs6000-protos.h: Declare new functions.
9308 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
9309 (movdi_64): Bracket code intended for 64-bit hosts. Create
9310 CONST_DOUBLE for 32-bit values.
9311 (scc insns): Generate DImode compares.
9312 (mfcr insns): Create DImode versions.
9313 (sge matchers): New patterns.
9315 2000-02-15 Gabriel Paubert <paubert@iram.es>
9317 * rs6000.md: Correct instructions length attributes and
9318 constraints on unsigned compare instructions.
9319 (*ne0): Disable for PowerPC64.
9321 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9323 * rs6000.c (output_function_profiler): Use .long for a 32-bit
9324 quantity, fix profile1.C test failure under -fPIC.
9326 * rs6000.c: Add 'u' to many constants to suppress warnings.
9327 (constant_pool_expr_1): Make static.
9328 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
9329 * rs6000.h: Add 'u' to many constants to suppress warnings.
9331 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
9332 for the start of the TOC, instead of LCTOC..0.
9333 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
9335 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
9336 (load_toc_aix_di): Use LCTOC..1.
9338 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
9339 * rs6000.c (rs6000_legitimize_address): New function from
9340 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
9341 symbols in the constant pool that really are TOC references.
9342 (print_operand_address): For ELF, write TOC offsets under
9343 -fPIC as subtractions in the insn.
9344 (output_toc): For ELF, define symbols in TOC as normal labels,
9346 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
9347 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
9348 (create_TOC_reference): Prototype only when RTX_CODE is defined.
9349 * rs6000.md (movsi): Only use create_TOC_reference on
9350 symbols in the constant pool that really are TOC references.
9352 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
9353 * rs6000.c (rs6000_reorg): Delete.
9354 * rs6000-protos.h (rs6000_reorg): Delete.
9356 2000-02-09 Geoff Keating <geoffk@cygnus.com>
9358 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
9360 * aix.h (SETUP_FRAME_ADDRESSES): Define.
9361 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
9362 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
9363 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
9364 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
9365 rs6000_aix_emit_builtin_unwind_init.
9366 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
9367 rs6000_emit_eh_toc_restore on AIX.
9368 (return_eh_si): Use r2.
9369 (return_eh_di): Use r2.
9371 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
9372 since we're breaking binary compatibility anyway.
9374 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9376 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
9377 constant_pool_expr_p): Declare them.
9378 (constant_pool_expr_p): Declare it.
9379 * config/rs6000/rs6000.c (toc_label_name): Define.
9380 (rs6000_override_options): Set toc_label_name.
9381 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
9382 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
9383 uses_TOC): New functions.
9384 (print_operand): Delete old '*' case.
9385 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
9386 and strip off rtl for TOC before calling output_addr_const.
9387 (rs6000_emit_load_toc_table): Use toc_label_name.
9388 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
9390 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
9391 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
9392 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
9393 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
9394 into explicit TOC_REGISTER offsets.
9395 (TOC_REGISTER): New macro.
9396 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
9397 TARGET_TOC to reference TOC_REGISTER.
9398 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
9399 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
9400 uses_TOC before emitting label references.
9402 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9404 * rs6000.md (stack_tie): Fix warning.
9406 * eabi-ctors.c: Use 'asm' names for the start/end variables,
9407 to handle -fleading-underscore.
9408 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
9409 (USER_LABEL_PREFIX): New macro.
9410 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
9411 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
9412 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
9413 call-linux can use the same multilibs.
9414 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
9415 and call-linux multilibs. Do multilib with -fleading-underscore.
9416 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
9417 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
9420 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
9421 have MASK_SOFT_FLOAT set.
9422 (CPP_FLOAT_DEFAULT_SPEC): New macro.
9423 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
9424 CPP_FLOAT_DEFAULT_SPEC.
9426 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
9427 * rs6000.md: Whitespace change.
9428 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
9429 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
9431 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9433 * rs6000.md (eh_epilogue): New expander.
9434 (eh_reg_restore): New expand/split/insn combination.
9435 (return_eh_si): New insn.
9436 (return_eh_di): New insn.
9438 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
9439 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
9440 * eabi-ctors.c (__do_global_ctors): Register this object's
9441 frame. Clean up. Call atexit() after the constructors.
9442 (__do_global_dtors): Deregister this object's frame. Clean up.
9443 Allow for recursive calls to exit().
9444 * rs6000.c (fixuplabelno): New variable.
9445 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
9446 TARGET_RELOCATABLE, it slows down exec() under linux.
9447 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
9449 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
9450 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
9451 (ASM_OUTPUT_DWARF_DELTA2): New macro.
9452 (ASM_OUTPUT_DWARF_DELTA4): New macro.
9453 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
9454 (ASM_OUTPUT_DWARF_ADDR): New macro.
9455 (ASM_OUTPUT_DWARF_DATA4): New macro.
9456 (ASM_OUTPUT_DWARF_DATA2): New macro.
9457 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
9458 (ASM_OUTPUT_DWARF_OFFSET): New macro.
9459 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
9461 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9463 * rs6000.c (rs6000_sr_alias_set): New variable.
9464 (rs6000_override_options): Initialise rs6000_sr_alias_set.
9465 (rs6000_emit_stack_tie): New function.
9466 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
9467 in a way that dwarf2out can understand.
9468 (rs6000_frame_related): New function.
9469 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
9470 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
9471 Use rs6000_emit_stack_tie when needed.
9472 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
9473 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
9474 * rs6000.md (stack_tie): New insn.
9475 (return_internal_si): Allow return value to be in the count
9477 (return_internal_di): Likewise.
9479 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
9481 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9483 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
9485 2000-01-31 Geoff Keating <geoffk@cygnus.com>
9487 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
9489 * rs6000.md (stmw): Use the right POWER opcode.
9492 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9494 * rs6000-protos.h: New file.
9496 * rs6000.c: Include tm_p.h. Fix compile time warnings.
9498 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
9501 * sysv4.h: Likewise.
9503 2000-01-28 Geoff Keating <geoffk@cygnus.com>
9505 * ../../configure.in: Delete powerpcle-*-winnt*
9506 and powerpcle-*-pe|powerpcle-*-cygwin*.
9507 * ../../configure: Regenerated.
9509 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
9510 (TARGET_WINDOWS_NT): Delete.
9512 (CALL_NT_DLLIMPORT): Delete.
9513 Delete NT-specific code.
9514 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
9517 * nt-ci.asm: Delete.
9518 * nt-cn.asm: Delete.
9519 * ntstack.asm: Delete.
9521 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9523 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
9524 (ASM_FILE_START): Likewise.
9525 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9526 (ASM_OUTPUT_LABELREF): Likewise.
9527 (ASM_OUTPUT_SKIP): Likewise.
9528 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
9529 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9530 (ASM_OUTPUT_CASE_LABEL): Likewise.
9531 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
9532 (ASM_OUTPUT_ASCII): Likewise.
9534 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
9536 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
9537 reload_toc_labelno for non-prologue TOC reloads. Also, don't
9538 increment rs6000_pic_labelno here.
9539 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
9540 and increment rs6000_pic_labelno here.
9542 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
9544 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
9545 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
9546 allocation knows (reg) is dead before the insn.
9548 2000-01-21 Geoff Keating <geoffk@cygnus.com>
9550 * rs6000.md (movsi_to_cr): Correct typo in output template.
9552 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9554 * rs6000.c (rs6000_pic_labelno): Always define.
9555 (rs6000_pic_func_labelno): Delete.
9556 (lmw_operation): Check for a zero base register,
9557 which doesn't mean what we want.
9558 (stmw_operation): New function.
9559 (print_operand): Define new 'l' modifier.
9560 (rs6000_stack_info): We must save all 64 bits of the registers
9561 if TARGET_POWERPC64.
9562 (rs6000_output_load_toc_table): Delete.
9563 (rs6000_emit_load_toc_table): New function.
9564 (rs6000_allocate_stack_space): Delete.
9565 (rs6000_emit_allocate_stack): New function.
9566 (rs6000_emit_prologue): New function.
9567 (output_prolog): Use rs6000_emit_prologue.
9568 (rs6000_emit_epilogue): Change a few variable names to be
9569 more accurate. Restore all 64 bits of the registers if
9570 TARGET_POWERPC64. Only restore the FP registers which were used
9571 if they are being saved/restored one-at-a-time.
9572 (output_mi_thunk): Delete inefficient code generation.
9573 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9574 * rs6000.h: Declare rs6000_emit_load_toc_table,
9575 rs6000_allocate_stack_space, stmw_operation. Don't declare
9576 rs6000_output_load_toc_table.
9577 * rs6000.md (elf_high): Allow register 0, but discourage it
9579 (elf_low): Support loading into register 0.
9580 (load_toc_aix_si): New pattern.
9581 (load_toc_aix_di): New pattern.
9582 (load_toc_v4_pic_si): New pattern.
9583 (load_toc_v4_pic_di): New pattern.
9584 (load_toc_v4_PIC_1): New pattern.
9585 (load_toc_v4_PIC_1b): New pattern.
9586 (load_toc_v4_PIC_2): New pattern.
9587 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9588 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9589 (prologue): New expander.
9590 (movesi_from_cr): New pattern.
9591 (stmw): New pattern.
9592 (save_fpregs_si): New pattern.
9593 (save_fpregs_di): New pattern.
9595 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9597 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9602 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9604 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9606 (movsi_got_internal): Likewise.
9607 (movsi_got_internal+1): Likewise.
9608 (set_sp): 'unspec 7' does a SImode clobber.
9610 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9612 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
9613 allocate a stack temporary.
9614 (floatsidf2_internal): Likewise.
9615 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
9617 (floatunssidf2): Don't use the fpmem "register", just
9618 allocate a stack temporary.
9619 (floatunssidf2_internal): Likewise.
9620 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
9622 (floatsidf2_loadaddr): Delete.
9623 (floatsidf2_store1): Delete.
9624 (floatsidf2_store2): Delete.
9625 (floatsidf2_load): Delete.
9626 (fix_truncdfsi2): Don't use the fpmem "register", just
9627 allocate a stack temporary.
9628 (fix_truncdfsi2_internal_si): Delete.
9629 (fix_truncdfsi2_internal_di): Delete.
9630 (fix_truncdfsi2_internal): New insn.
9631 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9632 (fix_truncdfsi2_store): Delete.
9633 (fix_truncdfsi2_load): Delete.
9634 (fctiwz): Produce gen_fctiwz.
9636 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9638 * eabi.h (INVOKE__main): Define.
9639 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9641 (rs6000_emit_prologue): Likewise.
9642 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9643 this is the main program.
9645 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9647 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9649 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9651 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9652 goes after the argument.
9654 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9656 * rs6000.md: Document 'unspec' values used.
9657 (epilogue): New expander.
9658 (movesi_to_cr_one): New expander.
9659 (movesi_to_cr and following): New pattern.
9661 (return_internal_si): New pattern.
9662 (return_internal_di): New pattern.
9663 (return_and_restore_fpregs_si): New pattern.
9664 (return_and_restore_fpregs_di): New pattern.
9665 * rs6000.h: Declare new functions.
9666 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9667 rather than rs6000_calls_p.
9668 (rs6000_makes_calls): Delete.
9669 (lmw_operation): New function.
9670 (mtcrf_operation): New function.
9671 (rs6000_emit_epilogue): New function.
9672 (output_epilog): Call rs6000_emit_epilogue and final if
9673 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9675 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9677 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9678 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9679 * aix.h (SUBTARGET_SWITCHES): Document switches.
9680 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9681 sched-prolog and sched-epilog the same. Document all the
9683 (TARGET_OPTIONS): No longer allow -mdebug-.
9685 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9687 * rs6000.h (ASM_FILE_END): Move to aix.h.
9688 (EXTRA_SECTIONS): Move to aix.h.
9689 (READONLY_DATA_SECTION): Move to aix.h.
9690 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9691 (SELECT_SECTION): Move to aix.h.
9692 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9693 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9694 (LINK_REGISTER_REGNUM): New definition.
9695 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9696 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9698 * sysv4.h: Delete the code between the inclusion of rs6000.h
9700 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9701 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9702 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9703 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9704 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9705 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9706 (fix_truncdfsi2_internal_di): New pattern.
9707 (fix_truncdfsi2_store): The second arg here is Pmode too.
9708 (fix_truncdfsi2_load): The second arg here is Pmode too.
9709 (tablejumpdi): Now that switch tables hold only SImode values,
9710 gcc needs to know how to add them to the pc which is DImode.
9711 * rs6000.c (rs6000_stack_info): Use symbolic name for
9712 LINK_REGISTER_REGNUM.
9713 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9714 (output_toc): Delete unused variables s1 and s2.
9715 (output_ascii): Use fputs not fprintf on a variable string.
9717 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9719 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9720 * aix43.h: Revert Aug 2 change.
9721 (HAS_INIT_SECTION): Define, not visible yet.
9722 (LD_INIT_SWITCH): Define, not visible yet.
9723 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9725 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9727 * config/rs6000/rtems.h: Include config/rtems.h.
9729 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9731 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9732 (SLOW_UNALIGNED_ACCESS): Define.
9733 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9734 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9735 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9736 (toc_section): Likewise and .toc pseudo-op.
9737 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9739 (TEXT_SECTION_ASM_OP): Likewise.
9740 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9743 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9745 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9746 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9749 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9751 * rs6000.h: Move more stuff from here...
9753 * sysv4.h: Cleanup accordingly.
9754 * netware.h: Likewise
9756 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9758 * rs6000.h: Continue cleanup.
9761 * netware.h: Likewise.
9763 * sysv4.h: Likewise.
9764 * win-nt.h: Likewise.
9766 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9767 (TARGET_OPTIONS): Likewise.
9769 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9770 (SUBTARGET_OPTIONS): Likewise.
9772 * rs6000.md: Fix compile time warnings.
9774 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9776 vxworks patches from the Cygnus tree originally by
9777 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9778 <vmakarov@cygnus.com>.
9779 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9780 (ENDFILE_SPEC): Likewise.
9781 (LIB_VXWORKS_SPEC): New macro.
9782 (STARTFILE_VXWORKS_SPEC): New macro.
9783 (ENDFILE_VXWORKS_SPEC): New macro.
9784 (LINK_START_VXWORKS_SPEC): New macro.
9785 (LINK_OS_VXWORKS_SPEC): New macro.
9786 (CPP_OS_VXWORKS_SPEC): New macro.
9787 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9788 * vxppc.h: Rewrite to use proper configuration method.
9789 * vxppcle.h: New file.
9790 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9791 * ../../configure: Rebuilt.
9793 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9795 Lots of changes to rs6000.h, sysv4.h, aix.h,
9796 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9797 with the aim that rs6000.h is the first header
9798 included and the others override it.
9801 * x-aix41-gld: Remove.
9803 * x-aix41: Remove target-specific switches, and don't specify
9804 -Wl,-bbigtoc as we don't need it any more.
9805 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9806 Use t-aix43 for AIX 4.3 and above.
9807 * ../../configure: Regenerated.
9809 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9810 options, that don't do anything yet.
9811 (MASK_SCHED_PROLOG): New macro.
9812 (MASK_SCHED_EPILOG): New macro.
9813 (TARGET_SCHED_PROLOG): New macro.
9814 (TARGET_SCHED_EPILOG): New macro.
9816 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9818 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9819 one per translation unit, not one per function.
9820 (output_toc): Also do duplicate constant elimination
9821 for per-translation-unit TOCs.
9823 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9824 a comment explaining _exactly_ when this pattern gets used.
9825 (builtin_setjmp_receiver): New pattern for better clarity.
9826 (init_v4_pic): Move it into a section dealing with TOC registers.
9828 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9830 * rs6000.c (toc_hash_table): New variable.
9831 (rs6000_hash_constant): New function.
9832 (toc_hash_function): New function.
9833 (toc_hash_eq): New function.
9834 (toc_hash_mark_entry): New function.
9835 (toc_hash_mark_table): New function.
9836 (output_toc): Don't output duplicate TOC entries in
9838 (rs6000_add_gc_roots): Add the hash table as a GC root.
9839 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9840 where they clearly shouldn't be. This may need to be fixed
9841 later when there is a GNU ar for AIX.
9842 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9843 Don't define BOOT_LDFLAGS as it is now not necessary.
9845 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9847 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9848 for va_list on AIX. Use unsigned_char_type_node rather than
9849 constructing our own version on svr4.
9851 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9853 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9854 since patently it's not.
9856 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9858 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9859 define_expand/define_insn pair, and handle restore of the
9860 SVR4 -fpic register.
9862 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9864 * acconfig.h (HAVE_GAS_WEAK): New define.
9865 * configure.in (assembler weak support): Check for .weak support.
9866 * config.in, configure: Rebuilt.
9867 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9868 HAVE_GAS_WEAK is defined.
9870 2000-03-15 Nick Clifton <nickc@cygnus.com>
9872 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9875 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9877 * cppfiles.c (open_include_file): New function.
9878 (find_include_file, cpp_read_file): Use it.
9880 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9882 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9884 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9886 * flow.c (verify_flow_info): Check for unconditional return.
9888 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9890 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9891 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9892 (__ia64_restore_stack_nonlocal): New.
9893 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9895 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9897 * cpphash.c (collect_formal_parameters): Do not complain about
9898 parameter names that just start with `__VA_ARGS__'.
9900 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9902 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9903 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9904 * i386.c (pentiumpro_cost): Set mul cost to 4.
9905 (x86_use_movx): Set for PPro.
9907 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9909 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9910 STACK_BOUNDARY for empty frames now.
9912 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9914 * stor-layout.c (layout_union): Remove.
9915 (layout_union_field): New function, split out from layout_union.
9916 (finish_union_layout): Likewise.
9917 (layout_field): Handle unions by calling layout_union_field.
9918 (finish_record_layout): Handle unions.
9919 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9920 QUAL_UNION_TYPE handling.
9922 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9924 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9925 end of basic block is jump_insn, not barrier; use create_basic_block
9926 instead of creating basic block by hand.
9928 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9930 * flow.c (reorder_basic_blocks): Account for barriers when writing
9931 over NEXT_INSN (last_bb->end).
9932 (verify_flow_info): Add check for missing barriers.
9934 2000-03-14 Greg McGary <gkm@gnu.org>
9936 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9937 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9938 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9939 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9940 __unbounded, __unbounded__): New keywords.
9941 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9942 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9943 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9945 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9947 * cselib.h: New file.
9948 * alias.c: Include "cselib.h".
9949 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9950 MEMs as two new arguments.
9951 (get_addr): New static function.
9952 (find_base_term): Handle VALUEs.
9953 (memrefs_conflict_p): Likewise.
9954 (true_dependence): Call get_addr on the addresses.
9955 Call fixed_scalar_and_varying_struct_p with addresses that have been
9956 passed through get_addr and canon_rtx.
9957 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9958 with true_dependence.
9959 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9960 * loop.c: Include "cselib.h".
9961 (load_mems): Process extended basic block that enters the loop with
9962 cselib. Use that information to change initialization of the shadow
9963 register so that a constant equivalence is seen by later passes.
9964 * reload1.c: Include "cselib.h".
9965 (reload_cse_invalidate_regno): Delete function.
9966 (reload_cse_mem_conflict_p): Likewise.
9967 (reload_cse_invalidate_mem): Likewise.
9968 (reload_cse_invalidate_rtx): Likewise.
9969 (reload_cse_regno_equal_p): Likewise.
9970 (reload_cse_check_clobber): Likewise.
9971 (reload_cse_record_set): Likewise.
9972 (reg_values): Delete static variable.
9973 (invalidate_regno_rtx): Likewise.
9974 (reload_cse_delete_noop_set): New static function.
9975 (reload_cse_simplify): New static function, broken out of
9977 (reload_cse_noop_set_p): Delete unused argument INSN.
9978 Just call rtx_equal_for_cselib_p on set source and destination.
9979 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9980 reload_cse_delete_noop_set. Delete code to keep track of values; use
9981 cselib functions instead. Delete code to push/pop obstacks.
9982 (reload_cse_simplify_set): Use cselib to find equivalent values.
9983 Delete code to push/pop obstacks.
9984 (reload_cse_simplify_operands): Likewise.
9985 * rtl.def (VALUE): New rtx code.
9986 * rtl.h (union rtunion_def): New elt rt_cselib.
9987 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9988 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9989 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9990 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9991 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9992 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9993 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9994 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9995 cselib_record_set, cselib_record_sets): New static functions.
9996 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9997 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9998 references_value_p): New functions.
9999 (MAX_USELESS_VALUES, REG_VALUES): New macros.
10000 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
10001 n_useless_values, reg_values, callmem, cselib_obstack,
10002 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
10003 New static variables.
10004 * varray.h (union varray_data_tag): New elt te.
10005 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
10006 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
10009 2000-03-14 Nick Clifton <nickc@cygnus.com>
10011 * gcc.c (do_spec_1): Catch the case where %* is used in a
10012 substitution pattern, but it has not been initialised.
10013 Issue a meaningful error message if an unrecognised operator
10014 is encountered in a spec string.
10016 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
10018 * function.c (prepare_function_start): Correctly initialize
10019 cfun->stack_alignment_needed.
10021 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
10023 * cppfiles.c (find_include_file): Don't assume nshort is a
10026 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
10028 * configure.in (hppa configurations): Add pa32-regs.h to the
10029 list of tm files as appropriate.
10030 * configure: Rebuilt.
10031 * pa.c (compute_frame_size): Remove explicit knowledge about FP
10032 register numbering.
10033 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10034 (fmpyaddoperands, fmpysuboperands): Likewise.
10035 * pa.h: Remove various definitions which depend on knowing
10036 how registers are numbered.
10037 * pa32-regs.h: New file with PA32 register numbering specific
10040 2000-03-14 Richard Henderson <rth@cygnus.com>
10042 * regmove.c (combine_stack_adjustments): New.
10043 (stack_memref_p, single_set_for_csa): New.
10044 (free_csa_memlist, record_one_stack_memref): New.
10045 (try_apply_stack_adjustment): New.
10046 (combine_stack_adjustments_for_block): New.
10047 * rtl.h (combine_stack_adjustments): Declare.
10048 * toplev.c (rest_of_compilation): Call it.
10050 * i386.md: Revert 2000-01-16 change.
10052 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10054 * gccbug.in: Add web category, gcc specific classes.
10056 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
10058 * stor-layout.c (finalize_record_size): Fix typo.
10060 2000-03-14 Stan Shebs <shebs@apple.com>
10062 * c-typeck.c (c_alignof): Error on incomplete types.
10063 * extend.texi (Alignment): Document this.
10065 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10067 * cppfiles.c: Include mkdeps.h.
10068 (find_include_file, read_include_file): Remove _cpp_ prefix
10069 from name, make static.
10070 (_cpp_execute_include): New function, broken out of
10073 * cpplib.c: Don't include mkdeps.h.
10074 (struct directive): Remove type field. Reorder entries. The
10075 function takes only one argument.
10076 (struct if_stack): Make type field an int.
10077 (directive_table): Rename to dtable. Generate it, the
10078 prototypes of the directive handlers, and the enum for the
10079 directive numbers, from a template macro.
10080 (do_ifndef, do_include_next, do_import): New functions.
10081 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
10082 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
10083 do_ident, do_assert, do_unassert, do_sccs): Take only one
10085 (do_sccs): Define always, but alter behavior based on
10087 (_cpp_handle_directive, consider_directive_while_skipping):
10088 Restructure for new directive table layout.
10090 (pass_thru_directive): Take a directive number, not a pointer
10091 to a struct directive.
10092 (parse_include): New function, broken out of do_include.
10093 (do_include, do_import, do_include_next): Use parse_include
10094 and _cpp_execute_include.
10095 (do_elif, do_else): Test for T_ELSE specifically when checking
10096 for #elif/#else after #else.
10097 (parse_ifdef): New function, broken out of do_ifdef.
10098 (validate_else): Expect a name arg without a leading #.
10099 (if_directive_name): Delete.
10100 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
10101 directive handlers with only one argument.
10103 * cpphash.h: Update prototypes.
10104 (enum node_type): Remove entries for directives.
10105 * Makefile.in: Update dependencies.
10107 * cpphash.c (dump_hash_helper): Only dump nodes of type
10108 T_MACRO. Emit a newline after each definition.
10110 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10112 * gccbug.in: New file.
10113 * configure.in (all_outputs): Add gccbug.
10114 * Makefile.in (install-common): Install gccbug.
10115 (GCCBUG_INSTALL_NAME): New variable.
10116 * configure: Rebuilt.
10118 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
10120 * function.c (put_var_into_stack): Use type_for_mode to calculate
10121 part_type. Use MEM_SET_IN_STRUCT_P.
10122 * expr.c (store_field): Handle CONCAT.
10123 (store_constructor): Use fields_length.
10124 * tree.c (fields_length): New fn.
10125 * tree.h: Declare it.
10127 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10129 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
10130 (cpplex.o): New target.
10131 * po/POTFILES.in: Add cpplex.c.
10133 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
10134 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
10135 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
10136 skip_block_comment, skip_line_comment, skip_comment,
10137 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
10138 _cpp_parse_name, skip_string, parse_string,
10139 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
10140 _cpp_get_directive_token, find_position,
10141 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
10142 (maybe_macroexpand, _cpp_lex_token): New functions.
10144 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
10145 parse_goto_mark): Delete.
10146 (_cpp_handle_eof): New function.
10147 (_cpp_handle_directive): Rename from handle_directive.
10148 (_cpp_output_line_command): Rename from output_line_command.
10149 (do_if, do_elif): Call _cpp_parse_expr directly.
10150 * cppfiles.c (_cpp_read_include_file): Don't call
10151 init_input_buffer here.
10152 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
10153 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
10154 here; pop the token_buffer and skip the rest of the line here.
10155 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
10158 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
10160 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
10161 CPP_GOTO_MARK): New macros.
10162 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
10163 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
10164 _cpp_read_and_prescan, _cpp_init_input_buffer,
10165 _cpp_grow_token_buffer, _cpp_get_directive_token,
10166 _cpp_handle_directive, _cpp_handle_eof,
10167 _cpp_output_line_command): Prototype them here.
10168 * cpplib.h (enum cpp_token): Add CPP_MACRO.
10169 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
10170 quote_string, output_line_command): Remove.
10172 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
10174 * stmt.c (expand_end_case): RANGE may be signed, and when checking
10175 whether it is too large we must also verify that it isn't negative.
10177 2000-03-13 Jakub Jelinek <jakub@redhat.com>
10179 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
10180 (movsi_zero_liveg0): Remove.
10181 (movsf_insn_novis_liveg0): Remove.
10183 (negsi2_not_liveg0): Rename to negsi2.
10184 (one_cmplsi2): Remove.
10185 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
10186 (one_cmplsi2_liveg0): Remove.
10187 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
10188 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
10189 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
10190 (PREDICATE_CODES): Remove zero_operand.
10191 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
10192 TARGET_BROKEN_SAVERESTORE.
10193 (zero_operand): Remove.
10194 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
10195 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
10197 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10198 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10199 TARGET_BROKEN_SAVERESTORE): Remove.
10200 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10202 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10204 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10207 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
10209 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10211 * cpplib.c (do_pragma_implementation): Fix off-by-one error
10212 truncating a string. Don't assume tokens are nul terminated.
10213 Problem noted by Andreas Jaeger <aj@suse.de>
10215 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
10217 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
10218 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
10219 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
10221 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
10223 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
10224 STRUCTURE_SIZE_BOUNDARY.
10226 2000-03-13 Mark Mitchell <mark@codesourcery.com>
10228 * tree.h (record_layout_info_s): New structure.
10229 (record_layout_info): New type.
10230 (new_record_layout_info): New function.
10231 (layout_field): Likewise.
10232 (finish_record_layout): Likewise.
10233 * stor-layout.c (layout_record): Remove.
10234 (new_record_layout_info): New function.
10235 (layout_field): New function, broken out from layout_record.
10236 (finalize_record_size): Likewise.
10237 (compute_record_mode): Likewise.
10238 (finalize_type_size): New function, broken out from layout_type.
10239 (finish_record_layout): Likewise.
10240 (layout_type): Use them.
10242 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
10244 * cpphash.c: Don't include version.h.
10245 (special_symbol) [case T_VERSION]: Look for the string in
10246 hp->value.cpval; don't use version_string.
10247 * cppinit.c (initialize_builtins): Set hp->value.cpval for
10248 __VERSION__ to version_string.
10249 * Makefile.in (cpphash.o): Update deps.
10251 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
10253 Convert cpplib to use libiberty/hashtab.c.
10255 * cpplib.h (struct cpp_reader): Make hashtab and
10256 all_include_files of type 'struct htab *'. Delete HASHSIZE
10257 and ALL_INCLUDE_HASHSIZE macros.
10259 * cpphash.h: Update prototypes.
10260 (struct hashnode): Remove next, prev, and bucket_hdr members.
10261 Make length a size_t. Add hash member.
10262 (struct ihash): Remove next member. Add hash member. Make
10263 name a flexible array member.
10265 * cppfiles.c: Include hashtab.h.
10266 (include_hash): Delete.
10267 (IHASHSIZE): New macro.
10268 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
10269 (cpp_included): Do the hash lookup here.
10270 (_cpp_find_include_file): Rewrite.
10271 (cpp_read_file): Put the "fake" hash entry into the hash
10272 table. Honor the control_macro, if it turns out we've seen
10273 the file before. Don't push the buffer here.
10274 (_cpp_read_include_file): Push the buffer here.
10275 (OMODES): New macro. Use it whenever we call open(2).
10277 * cpphash.c: Include hashtab.h.
10278 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
10279 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
10280 _cpp_lookup_slot): New functions.
10281 (HASHSIZE): new macro.
10282 (hashf, _cpp_install, _cpp_delete_macro): Delete.
10283 (_cpp_lookup): Use hashtab.h routines.
10285 * cppinit.c: Include hashtab.h.
10286 (cpp_reader_init): Call _cpp_init_macro_hash and
10287 _cpp_init_include_hash. Don't allocate hashtab directly.
10288 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
10289 pfile->all_include_files.
10290 (initialize_builtins): Use _cpp_make_hashnode and
10291 htab_find_slot to add hash entries.
10292 (cpp_finish): Just call _cpp_dump_macro_hash.
10293 * cpplib.c: Include hashtab.h.
10294 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
10295 create hash entries.
10296 (do_pragma_poison, do_assert): Likewise.
10297 (do_include): Don't push the buffer here. Don't increment
10298 system_include_depth unless _cpp_read_include_file succeeds.
10299 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
10300 or htab_remove_elt.
10301 (do_pragma_implementation): Use alloca to create copy.
10303 * Makefile.in: Update dependencies.
10305 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10307 * cppinit.c (cl_directive_handler): More K&R fixing.
10309 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
10311 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
10313 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
10315 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10317 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
10318 Change from char[] to macros.
10320 2000-03-12 Neil Booth <NeilB@earthling.net>
10322 * cppinit.c (cpp_start_read): Update indirect function
10325 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
10327 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
10330 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10331 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
10333 2000-03-11 Neil Booth <NeilB@earthling.net>
10335 * cppinit.c (struct pending option): Replace undef with a
10336 pointer to a directive handling routine.
10337 (struct cpp_pending): Replace separate assert_ and define_
10338 lists with one directive_ list.
10339 (new_pending_define): Rename new_pending_directive. Extra
10340 argument is the directive's handling routine.
10341 (handle_option): Update to use new_pending_directive.
10343 2000-03-11 Neil Booth <NeilB@earthling.net>
10345 * cppfiles.c (file_cleanup, _cpp_find_include_file,
10346 remap_filename, _cpp_read_include_file, actual_directory,
10347 hack_vms_include_specification): Replace bcopy(), index() etc
10348 calls. Add casts to some allocations. Make some variables
10349 pointers to const [unsigned] char.
10350 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
10351 collect_formal_parameters): Similarly.
10352 * cppinit.c (struct pending_option, append_include_chain,
10353 cpp_options_init, cpp_reader_init, initialize_standard_includes,
10354 cpp_start_read, new_pending_define, handle_option): Similarly.
10355 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
10356 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
10357 do_pragma_implementation, detect_if_not_defined,
10358 do_ifdef, skip_if_group, cpp_get_token, parse_string,
10359 do_assert, do_unassert): Similarly.
10360 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
10361 function prototypes.
10362 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
10364 2000-03-10 Richard Henderson <rth@cygnus.com>
10366 * builtins.c (expand_builtin_strlen): Revert last change.
10367 Use emit_insn_before if we're at the beginning of a sequence.
10369 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
10371 * builtins.c (expand_builtin_strlen): Make sure that we have something
10372 at the beginning of the sequence.
10374 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
10377 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
10379 2000-03-10 Richard Henderson <rth@cygnus.com>
10381 * except.c (can_throw): Use INTVAL on a CONST_INT.
10382 (reachable_handlers): Likewise.
10383 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
10385 2000-03-10 Andreas Jaeger <aj@suse.de>
10387 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
10388 MD_STARTFILE_PREFIX since those are not needed on linux.
10389 (ASM_FILE_START): New, from mips/gnu.h.
10391 2000-03-09 Richard Henderson <rth@cygnus.com>
10392 Alex Samuel <samuel@codesourcery.com> and others
10394 * Makefile.in (ssa.o): New rule.
10396 (STAGESTUFF): Add *.ssa and *.ussa.
10397 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
10398 * rtl.def (PHI): New RTL expression.
10399 * rtl.h (clear_log_links): New declaration.
10400 (convert_to_ssa): Likewise.
10401 (convert_from_ssa): Likewise.
10402 * flow.c (split_edge): If the entry node falls through to the
10403 split edge's source block, split the entry edge.
10404 (clear_log_links): New function.
10405 * toplev.c (ssa_dump): New variable.
10406 (flag_ssa): Likewise.
10407 (f_options): Add "ssa".
10408 (compile_file): Create SSA dump files.
10409 (rest_of_compilation): Go to and from SSA if enabled.
10410 (decide_d_option): Handle -de for SSA dump files.
10413 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
10415 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
10418 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
10420 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
10422 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
10424 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
10425 (MD_STARTFILE_PREFIX_1): New macro.
10427 2000-03-09 Robert Lipe <robertl@sco.com>
10429 * config/ia64/ia64.c: Include system.h.
10431 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10433 * except.c (nothrow_function_p): If -fno-exceptions, just return.
10434 (init_eh_nesting_info): Likewise.
10436 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
10437 (TREE_NOTHROW): Rename from TREE_RAISES.
10438 * toplev.c (rest_of_compilation): Set it.
10439 * print-tree.c (print_node): Adjust.
10440 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
10441 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
10442 * calls.c (emit_call_1): Add 'nothrow' parm. Add
10443 REG_EH_REGION note as appropriate.
10444 (libfunc_nothrow): New fn.
10445 (emit_library_call, emit_library_call_value): Use it.
10446 (expand_call): Check TREE_NOTHROW.
10448 * varasm.c (make_decl_rtl): Skip initial '*' when setting
10449 DECL_ASSEMBLER_NAME.
10451 2000-03-09 Andreas Jaeger <aj@suse.de>
10453 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
10454 (TARGET_MEM_FUNCTIONS): Define.
10456 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10458 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
10460 * except.c (can_throw): See through a SEQUENCE.
10461 (nothrow_function_p): New fn.
10462 * except.h: Declare it.
10463 * function.c (current_function_nothrow): New var.
10464 (prepare_function_start): Initialize it.
10465 * output.h: Declare it.
10466 * toplev.c (rest_of_compilation): Set it.
10467 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
10469 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
10471 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
10472 match. (cpp_compare_defs): Count the nul separator when
10473 advancing over argument names.
10475 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
10477 * recog.c (preprocess_constraints): Matching constraints affect
10478 same alternative/different operand, not same operand/different
10481 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
10482 register and a constant specially.
10484 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10486 * libgcc2.h: New file.
10487 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
10489 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
10491 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
10492 * configure: Regenerate.
10493 * config/ia64: New.
10495 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10497 * Makefile.in (LIBCPP_DEPS): New macro.
10498 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
10499 it to declare deps.
10500 * cpperror.c: Include cpphash.h.
10501 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
10503 (lex): Don't use CPP_WARN_UNDEF.
10504 (_cpp_parse_expr): Return an int, the truth value.
10505 * cppfiles.c: Include cpphash.h.
10506 (_cpp_merge_include_chains): Move to cppinit.c and make static.
10507 * cppinit.c (include_defaults_array): Disentangle.
10508 (cpp_cleanup): Don't free the if stack here.
10509 (cpp_finish): Pop off all buffers, not just one.
10510 * cpplib.c (eval_if_expr): Return int.
10511 (do_xifdef): Rename do_ifdef.
10512 (handle_directive): Don't use CPP_PREPROCESSED.
10513 (cpp_get_token): Don't use CPP_C89.
10514 * fix-header.c: Don't use CPP_OPTIONS.
10516 * cpplib.h: Move U_CHAR, enum node_type, struct
10517 file_name_list, struct ihash, is_idchar, is_idstart,
10518 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
10519 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
10520 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
10521 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
10522 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
10523 of _cpp_simplify_pathname, _cpp_find_include_file,
10524 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
10525 Move struct if_stack to cpplib.c. Move struct cpp_pending to
10527 Change all uses of U_CHAR to be unsigned char instead.
10528 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
10530 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10532 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
10533 (dwarf2out_begin_prologue): Set it.
10534 (output_call_frame_info): Don't emit EH unwind info for leaves.
10536 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
10537 can occur outside of an EH region.
10538 * except.c: Correct comments about rethrow behavior.
10539 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
10541 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
10543 * flow.c (make_edges): Always call make_eh_edge for calls.
10545 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10547 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
10548 (struct cpp_buffer): Remove fname and underflow fields.
10549 (struct cpp_reader): Remove get_token field.
10550 (struct include_hash): Rename to struct ihash. Add typedef to
10552 (struct if_stack): Remove fname field.
10553 (IF_STACK_FRAME): Rename to IF_STACK.
10555 * cpperror.c (print_containing_files): Trust that there are no
10556 macro buffers below the top file buffer.
10557 * cppfiles.c: Replace all references to 'struct include_hash'
10558 with 'IHASH'. Rename initialize_input_buffer to
10559 init_input_buffer. Don't set or reference cpp_buffer->fname,
10560 use buffer->ihash->name instead.
10561 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
10562 not CPP_NULL_BUFFER.
10563 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10564 IF_STACK_FRAME, IHASH not struct include_hash.
10565 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10566 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10567 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10568 references to cpp_buffer->fname (delete entirely, or use
10569 ->ihash->name instead) and IF_STACK->fname.
10570 (cpp_push_buffer): Don't set new->underflow.
10571 (do_include): Use cpp_file_buffer.
10573 * cpphash.c (collect_formal_parameters): Remove duplicate
10574 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10575 used as a macro argument name. Don't append "..." to namebuf
10576 for varargs macros. After we're done scanning, go through
10577 namebuf and make it NUL separated, not comma separated.
10578 (_cpp_compare_defs): Remove register tag from variables.
10579 Expect defn->argnames to be NUL separated.
10580 (_cpp_dump_definition): Expect defn->argnames to be NUL
10581 separated and in forward order.
10582 * cpphash.h: Update documentation of argnames field.
10584 2000-03-08 Richard Henderson <rth@cygnus.com>
10586 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10587 to fail. Don't pre-expand the source operand.
10589 * i386.md (strlensi): Initialize eoschar and align before use.
10591 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10593 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10594 CONSTRUCTOR element.
10596 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10598 * mips.c (mips_expand_prologue): If the last
10599 named argument is the vararg marker "va_list", treat it as
10600 an unnamed argument.
10602 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10604 * dbxout.c (dbxout_parms): When correcting for promoted
10605 big-endian parameters, use the mode of the DECL_RTL rather
10606 than UNITS_PER_WORD.
10608 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
10610 * c-common.h (make_fname_decl): Declare.
10611 * c-common.c (make_fname_decl): Define.
10612 (declare_hidden_char_array): Remove.
10613 (declare_function_name): Use make_fname_decl.
10614 * c-decl.c (c_make_fname_decl): New function.
10615 (init_decl_processing): Set make_fname_decl.
10617 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
10619 * cccp.c (handle_directive): Initialize backslash_newlines_p.
10621 2000-03-07 Philipp Thomas <pthomas@suse.de>
10623 * po/POTFILES.in: Remove cppalloc.c from file list.
10625 2000-03-07 Steve Chamberlain <sac@pobox.com>
10627 * pj.c (pj_expand_prologue): current_function->args_info is
10628 now current_function_args_info.
10630 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10631 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10632 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10634 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10636 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10637 output as hexadecimal rather than the default octal.
10639 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10641 * cpphash.c (special_symbol): Fix thinko in previous commit.
10643 2000-03-07 Neil Booth <NeilB@earthling.net>
10645 * cppexp.c (struct operation, left_shift, right_shift,
10646 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10647 "int"s to "unsigned int"s.
10648 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10650 * cpplib.h: Update for above.
10651 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10652 returned from allocations.
10654 * cppinit.c (opt_comp, parse_options): New functions.
10655 (handle_option): Use parse_option to parse a single command
10656 line option, that possibly takes an argument.
10657 (cpp_handle_options): Sort the array of command line options on
10658 first invocation (non-ASCII hosts only).
10659 (print_help): Update.
10661 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10663 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10664 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10666 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10668 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10670 * cpperror.c (cpp_print_containing_files,
10671 cpp_print_file_and_line, v_cpp_message): Rename to
10672 print_containing_files, print_file_and_line, and v_message.
10673 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10674 to _cpp_parse_expr, parse_escape, and lex.
10675 (parse_charconst): Remove broken multibyte support.
10676 * cppfiles.c (include_hash): Make static.
10677 (cpp_included): New function.
10678 (merge_include_chains, find_include_file, finclude,
10679 simplify_pathname): Rename to _cpp_merge_include_chains,
10680 _cpp_find_include_file, _cpp_read_include_file, and
10681 _cpp_simplify_pathname.
10682 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10683 cpp_install, create_definition, macroexpand, compare_defs,
10684 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10685 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10686 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10687 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10689 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10691 * cpphash.h: Update prototypes.
10692 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10694 2000-03-07 Andrew Haley <aph@cygnus.com>
10696 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10697 PTRDIFF_TYPE should be based solely on Pmode.
10698 (SIZE_TYPE): ditto.
10700 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10702 * rtl.h (rtunion_def): Constify member `rtstr'.
10703 (emit_line_note_after, emit_line_note, emit_line_note_force,
10704 emit_note, decode_asm_operands): Constify.
10706 * cse.c (canon_hash): Likewise.
10708 * dbxout.c (dbxout_block): Likewise.
10710 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10711 v_warning_for_asm): Likewise.
10713 * dwarfout.c (function_start_label): Likewise.
10715 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10716 emit_line_note_force): Likewise.
10718 * final.c (last_filename, asm_insn_count, final_scan_insn,
10719 output_source_line): Likewise.
10721 * function.h (struct emit_status): Likewise.
10723 * gcse.c (hash_expr_1): Likewise.
10725 * genattr.c (gen_attr, main): Likewise.
10727 * genattrtab.c (struct function_unit, current_alternative_string,
10728 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10729 attr_numeral, check_attr_test, check_attr_value,
10730 convert_set_attr_alternative, convert_set_attr,
10731 compute_alternative_mask, simplify_by_exploding, gen_attr,
10732 gen_unit): Likewise.
10734 * genflags.c (gen_insn): Likewise.
10736 * gengenrtl.c (type_from_format): Likewise.
10738 * genopinit.c (gen_insn): Likewise.
10740 * genoutput.c (n_occurrences, process_template, process_template):
10743 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10746 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10749 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10750 ggc_set_mark, ggc_get_size): Likewise.
10752 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10754 * optabs.c (init_one_libfunc): Likewise.
10756 * output.h (assemble_start_function): Likewise.
10758 * recog.c (decode_asm_operands): Likewise.
10760 * toplev.c (rest_of_compilation): Likewise.
10762 * tree.h (emit_line_note_after, emit_line_note,
10763 emit_line_note_force): Likewise.
10765 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10766 asm_emit_uninitialised, assemble_start_function,
10767 assemble_variable, const_hash, compare_constant_1,
10768 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10770 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10772 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10774 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10776 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10778 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10779 arm_dllimport_name_p): Likewise.
10781 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10784 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10786 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10788 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10789 arm_mark_dllexport, arm_mark_dllimport,
10790 arm_pe_encode_section_info): Likewise.
10792 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10793 ASM_FINISH_DECLARE_OBJECT): Likewise.
10795 * arm/thumb.c (thumb_function_prologue): Likewise.
10797 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10799 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10801 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10803 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10805 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10807 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10809 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10810 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10812 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10814 * i386/i386.c (asm_output_function_prefix): Likewise.
10816 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10818 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10820 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10822 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10823 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10824 ASM_OUTPUT_SECTION_NAME): Likewise.
10826 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10828 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10830 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10832 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10834 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10836 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10838 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10840 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10842 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10844 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10846 * mips/mips.md (movdi, movsi): Likewise.
10848 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10850 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10852 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10854 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10855 ASM_OUTPUT_ASCII): Likewise.
10857 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10858 output_mi_thunk, output_toc): Likewise.
10860 * rs6000/rs6000.md (movsi): Likewise.
10862 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10864 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10866 * v850/v850.c (print_operand, print_operand_address,
10867 v850_encode_data_area): Likewise.
10869 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10871 * config/mips/mips.md (zero_extendsidi2): Always force operand
10872 one to memory for mips16.
10874 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10876 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10877 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10878 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10879 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10880 (min_precision): Result is unsigned.
10881 (add_double, neg_double, mul_double): Low word is unsigned.
10882 (lshift_double, rshift_double, lrotate_double): Likewise.
10883 (rrotate_double, div_and_round_double): Likewise.
10884 (tree_floor_log2, compare_tree_int): New functions.
10885 (preserve_rtl_expr_temps): New declaration.
10886 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10887 (decl_attributes): Use tree_log2 to find alignment.
10888 Check for TREE_INT_CST_HIGH for format args.
10889 (min_precision): Now unsigned.
10890 Use tree_floor_log2.
10891 (truthvalue_conversion): Delete long-disabled code.
10892 * c-decl.c (finish_struct): Clean up tests on field width.
10893 (finish_function): Use compare_tree_int.
10894 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10895 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10896 (default_conversion, digest_init): Use compare_tree_int.
10897 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10898 Fix type errors in forming masks.
10899 * calls.c (initialize_argument_information): Use compare_tree_int.
10900 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10901 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10902 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10903 (store_field): Use compare_tree_int.
10904 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10905 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10906 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10907 (do_store_flag): Use compare_tree_int.
10908 * fold-const.c (encode, decode): Low part is always unsigned.
10909 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10910 (lshift_double, rshift_double, lrotate_double): Likewise.
10911 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10912 (fold_convert): Use compare_tree_int.
10913 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10914 (invert_truthvalue, case INTEGER_CST): Likewise.
10915 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10916 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10917 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10918 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10920 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10921 (expand_end_case): Use compare_tree_int.
10922 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10923 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10924 (layout_decl): Likewise.
10925 (layout_record, layout_union): Make sizes unsigned.
10926 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10927 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10928 * tree.c (struct type_hash): hashcode is unsigned.
10929 (build_type_attribute_variant, type_hash_list): Likewise.
10930 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10931 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10932 (build_complex_type): Likewise.
10933 (real_value_from_int_cst): Remove unneeded casts.
10934 (integer_all_onesp): Add casts.
10935 (tree_floor_log2, compare_tree_int): New functions.
10936 (build_index_type): Use tree_int_cst_sgn.
10937 * varasm.c (assemble_variable): Use compare_tree_int.
10939 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10941 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10943 * varasm.c (make_decl_rtl): Don't add a number to members of
10945 (make_function_rtl): Likewise.
10947 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10949 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10950 patch from 2000-01-28.
10952 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10954 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10955 filled with an insn from the jump target.
10957 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10959 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10960 (c4x_external_ref): Likewise.
10961 * config/c4x/c4x.c (struct name_list): Likewise.
10963 1999-12-16 Ben Collins <bcollins@debian.org>
10965 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10966 argument to genmultilib.
10967 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10968 the contents into the multilib.h header.
10969 * gcc.c: Declare multilib_exclusions for the specs file.
10970 (set_multilib_dir): Use it.
10971 (print_multilib_info): Likewise.
10972 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10973 to pass to genmultilib.
10975 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10977 * builtins.c (built_in_class_names, built_in_names): Constify a
10980 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10982 (_mcleanup): Ensure value matches format specifier in sprintf.
10984 * cpphash.c (special_symbol): Don't needlessly cast away
10987 * cppinit.c (base_name): Delete unused prototype.
10989 * mkdeps.c (deps_init): Make definition K&R safe.
10991 * tree.h (built_in_class_names, built_in_names): Constify a
10994 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10996 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10997 floating point instructions for epilogue delay.
10999 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
11000 to gas if it supports .register pseudo.
11002 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
11003 LONG_DOUBLE_TYPE_SIZE if not defined.
11004 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
11005 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
11006 * real.c: Likewise.
11007 * gengenrtl.c: Likewise.
11008 * print-rtl.c: Likewise.
11010 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
11011 MASK_LONG_DOUBLE_128.
11012 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
11013 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
11014 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
11015 (SUBTARGET_SWITCHES): Define.
11016 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
11017 with -mlong-double-128.
11018 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11019 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11020 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11021 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
11022 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
11023 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
11024 with -mlong-double-128.
11025 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11026 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11027 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11028 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
11029 TARGET_LONG_DOUBLE_128): Define.
11030 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
11031 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
11032 long double on TARGET_ARCH64.
11034 2000-03-06 Mark Mitchell <mark@codesourcery.com>
11036 * function.c (free_temps_for_rtl_expr): Don't free slots
11037 that have been pushed into a higher level.
11040 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11042 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11044 * basic-block.h (ALLOCA_REG_SET): Remove.
11045 (INITIALIZE_REG_SET): New macro.
11046 * flow.c (update_life_info): Use it.
11047 (calculate_global_regs_live): Likewise.
11048 (propagate_block): Likewise.
11049 * global.c (build_insn_chain): Likewise.
11050 * haifa-sched.c (schedule_region): Likewise.
11052 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
11054 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
11055 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
11056 (DWARF_ARANGES_PAD_SIZE): New define.
11057 (output_aranges): Use it to pad the address range header.
11058 (DWARF_ROUND): Fix for non power of 2 rounding.
11060 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
11062 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
11064 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11066 * tree.def (RTL_EXPR): Update documentation.
11067 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
11068 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
11069 * function.c (preserve_rtl_expr_temp): New function.
11070 (preserve_rtl_expr_temps): Likewise.
11071 (preserve_rtl_expr_result): Use it.
11074 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11076 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
11078 * regmove.c (copy_src_to_dest) Do not create src->dest move
11079 for unchanging destination.
11081 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11083 * function.h (struct sequence_stack): Remove rtl_expr.
11084 (struct emit_staus): Likewise.
11085 (seq_rtl_expr): Remove.
11086 * tree.h (free_temps_for_rtl_expr): Don't declare.
11087 (start_sequence_for_rtl_expr): Likewise.
11088 * rtl.h (preserve_rtl_expr_result): Likewise.
11089 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
11090 (start_sequence_for_rtl_expr): Remove.
11091 (push_topmost_sequence): Don't save sequence_rtl_expr.
11092 (pop_topmost_sequence): Remove comment about not restoring it.
11093 (end_sequence): Don't set seq_rtl_expr.
11094 (init_emit): Don't initialize it.
11095 (mark_sequence_stack): Don't mark it.
11096 (mark_emit_status): Likewise.
11097 * except.c (protect_with_terminate): Use
11098 start_sequence_for_rtl_expr, not start_sequence.
11099 * expr.c (expand_expr, case RTL_EXPR): Don't call
11100 preserve_rtl_expr_result or free_temps_for_rtl_expr.
11101 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
11102 (preserve_rtl_expr_result): Remove.
11103 (free_temps_for_rtl_expr): Likewise.
11104 (pop_temp_slots): Likewise.
11105 (mark_temp_slot): Don't mark the rtl_expr.
11106 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
11107 start_sequence_for_rtl_expr.
11109 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
11111 * mkdeps.c, mkdeps.h: New files.
11112 * po/POTFILES.in: Add them.
11113 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
11114 (cpplib.o, cppinit.o): Depend on mkdeps.h.
11115 (mkdeps.o): New target.
11117 * cppfiles.c: Delete deps_output.
11118 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
11119 OBJECT_SUFFIX, and base_name.
11120 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
11122 (initialize_dependency_output): Use deps_init,
11123 deps_add_target, deps_calc_target, and deps_add_dep. Remove
11124 all the unnecessary string bashing.
11125 (cpp_finish): Use deps_write. Remove an unnecessary nesting
11127 * cpplib.c (do_include): Use deps_add_dep.
11128 * cpplib.h (struct cpp_reader): Replace deps_buffer,
11129 deps_allocated_size, deps_size, deps_column members with
11130 single pointer to a struct deps. Delete prototype of
11133 * cppinit.c: Fix thinko in previous patch.
11135 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11137 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
11138 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
11139 (mode_for_size_tree): New function.
11140 (layout_decl, layout_type): Call it and clean up BLKmode checks.
11141 * tree.h (mode_for_size_tree): New declaration.
11143 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
11145 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
11147 * stmt.c (is_body_block): Move...
11148 * dwarfout.c, dwarf2out.c: ...from here.
11149 * tree.h: Declare it.
11150 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
11151 * final.c (final_start_function): Do call remove_unnecessary_notes
11154 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
11156 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
11158 * cpplib.h (_dollar_ok): New macro.
11159 (is_idchar, is_idstart): Use it.
11160 (IStable): Rename to _cpp_IStable. Declare it const if
11161 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
11162 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
11163 is_space): Update for renamed IStable.
11165 * cppinit.c: Delete all references to FAKE_CONST and CAT
11166 macros. Define init_IStable as empty macro if gcc >=2.7 or
11167 C99. Change TABLE() to ISTABLE and hardcode name of table.
11168 (cpp_start_read): Don't change the IStable based on
11171 * cpphash.c (unsafe_chars): Add pfile argument. All callers
11172 changed. Handle '$' for char1 correctly.
11173 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
11175 * cppexp.c (tokentab2): Make const.
11176 (cpp_lex): Make toktab const.
11177 * cppinit.c (include_defaults_array): Make const.
11178 (initialize_standard_includes): Make default_include const.
11180 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
11182 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
11183 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
11184 (gen_decl_die): Likewise.
11185 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
11186 (output_decl): Likewise.
11188 * varasm.c (make_function_rtl): If we change the name used in the
11189 rtl, update DECL_ASSEMBLER_NAME accordingly.
11190 (make_decl_rtl): Likewise.
11192 * toplev.c (rest_of_compilation): Tweak formatting.
11194 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
11195 remove_unnecessary_notes.
11196 (debug_ignore_block): New fn.
11197 * toplev.h: Declare it.
11198 * emit-rtl.c (remove_unncessary_notes): Call it.
11199 * dwarf2out.c (dwarf2out_ignore_block): New fn.
11200 * dwarf2out.h: Declare it.
11201 * final.c (final_start_function): Don't call remove_unnecessary_notes
11202 if we did insn scheduling.
11204 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
11206 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
11207 * cpplib.h: Delete SET_CPP_PEDANTIC.
11209 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11211 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
11212 result is a RECORD_TYPE.
11214 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
11216 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
11218 2000-03-03 Richard Henderson <rth@cygnus.com>
11220 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
11221 addition over compliments over shifts.
11223 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11225 * reload1.c (reload_combine_note_use): Handle return register USEs.
11226 REG case: Handle multi-hard-register hard regs.
11228 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11230 * md.texi: Document use of '*' in insn pattern name.
11232 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
11234 * calls.c (special_function_p): operator new may not be malloc-like.
11236 * gcse.c (dump_hash_table): Really fix error in last change.
11238 2000-03-02 Denis Chertykov <denisc@overta.ru>
11240 * avr.c (print_operand): Use print_operand_address instead of
11242 * avr/libgcc.S: Cleanup code.
11244 2000-03-02 Richard Henderson <rth@cygnus.com>
11246 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
11248 2000-03-02 Mark Mitchell <mark@codesourcery.com>
11250 * tree.h (TYPE_ALIGN_UNIT): New macro.
11252 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
11254 * i386.c: (constant_call_address_operand): Reject CONST_INT.
11256 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
11258 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
11260 (SET_CPP_PEDANTIC): New macro.
11261 * cpplib.c (do_include): Don't bother checking system_header_p.
11262 (do_warning, do_ident, do_assert, do_unassert): Likewise.
11263 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
11265 * function.h (struct expr_status): Add x_arg_space_so_far.
11266 (arg_space_so_far): New macro.
11267 * expr.c (init_expr): Initialize it.
11268 * calls.c (emit_call_1): Reset it.
11269 (compute_argument_block_size, expand_call): Use it.
11270 (expand_call, store_one_arg): Increment it.
11272 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11274 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
11277 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
11279 * cppfiles.c (cpp_read_file): New function.
11281 * cpphash.c (collect_expansion): Make sure to reset last_token
11282 to NORM when we hit a string. Handle trailing whitespace
11283 properly when the expansion is empty.
11284 (create_definition): Disable line commands while parsing the
11286 (dump_definition): If pfile->lineno == 0, output a line
11287 command ahead of the dump, and add a trailing newline.
11289 * cppinit.c (append_include_chain): Add fifth argument, which
11290 indicates whether or not system headers are C++ aware.
11291 (initialize_standard_includes): New function,
11292 broken out of read_and_prescan. Pass 'cxx_aware' value from
11293 the include_defaults_array on to append_include_chain.
11294 (dump_special_to_buffer): Const-ify char array.
11295 (builtin_array): Don't dump __BASE_FILE__.
11296 (cpp_start_read): Use cpp_read_file. Reorder code for
11297 clarity. Don't output line commands here for -D/-A/-U
11298 switches. Don't call deps_output for files included with
11299 -include or -imacros.
11301 * cpplib.c (do_define): Don't pay any attention to the second
11303 (cpp_expand_to_buffer): Disable line commands while scanning.
11304 (output_line_command): Work in the file buffer.
11305 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
11306 Fix formatting of comments. Prototype cpp_read_file.
11308 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11310 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
11311 reference the language-equivalent of sizetype.
11312 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
11313 * fold-const.c (size_binop, size_diffop): Put back checks.
11314 * gcse.c (dump_hash_table): Fix minor error in last change.
11315 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
11316 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
11319 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
11321 * calls.c (expand_call) Do not attempt to combine stack adjustments
11322 with inhibit_defer_pop set.
11324 2000-03-01 Mark Mitchell <mark@codesourcery.com>
11326 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
11327 the DECL_SIZE for a FIELD_DECL.
11329 2000-03-01 Bruce Korb <bkorb@gnu.org>
11331 * fixinc/inclhack.tpl: remove unused symlinks
11332 * fixinc/README: GCC Maintainer info
11333 * fixinc/inclhack.sh: regen
11334 * fixinc/fixincl.sh: regen
11336 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
11338 * cpphash.c (collect_expansion): Trim trailing white space
11339 from macro definitions, but don't go past the last insertion
11342 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
11344 * i386.md (mulqi3): New pattern.
11346 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
11348 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
11350 (struct cpp_reader): Add parsing_if_directive and
11351 parsing_define_directive flags.
11352 (struct cpp_options): Remove output_conditionals flag.
11353 (check_macro_name): Delete prototype.
11355 * cpphash.h (struct macrodef): Delete.
11356 (struct reflist): Separate from struct definition.
11357 (struct definition): Remove unused fields. Add column number.
11358 (create_definition): Returns a DEFINITION *. Takes a
11359 cpp_reader * and an int.
11361 * cpphash.c (SKIP_WHITE_SPACE): Delete.
11362 (PEEKC): Copy defn from cpplib.c.
11363 (rest_extension, REST_EXTENSION_LENGTH): Delete.
11365 (struct arglist): Simplify.
11366 (collect_expansion): Rewrite. Get tokens by calling
11367 cpp_get_token. Add more error checking.
11368 (collect_formal_parameters): New function, broken out of
11369 create_definition and reworked to use get_directive_token.
11370 (create_definition): All real work is now in collect_expansion
11371 and collect_formal_parameters. do_define handles finding the
11372 macro name. Return a DEFINITION, not a MACRODEF.
11373 (macroexpand): Replace bcopy with memcpy throughout. Replace
11374 character-at-a-time copy loop with memcpy and pointer increments.
11375 (compare-defs): d1->argnames / d2->argnames might be null.
11377 * cpplib.c (copy_rest_of_line): Delete function.
11378 (skip_rest_of_line): Do all the work ourselves.
11379 (skip_string): New function.
11380 (parse_string): Use skip_string.
11381 (get_macro_name): New function.
11382 (check_macro_name): Delete.
11383 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
11384 (cpp_skip_hspace): Use CPP_BUMP_LINE.
11385 (handle_directive): ICE if we're called on a macro buffer.
11386 (do_define): Determine macro name and type (funlike/objlike)
11387 here. Expunge all uses of MACRODEF.
11388 (cpp_push_buffer): Set line_base to NULL.
11389 (do_undef, read_line_number): Don't worry about getting a POP token.
11390 (eval_if_expression): Set/reset parsing_if_directive around
11391 cpp_parse_expr. Don't clear only_seen_white.
11392 (skip_if_group): Remove output_conditionals logic. Use
11394 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
11395 tokens under appropriate conditions.
11396 (cpp_unassert): Call do_unassert not do_assert. Oops.
11398 * cppexp.c (parse_defined): New function, break out of
11400 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
11401 ourselves, with cpp_defined.
11402 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
11404 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
11405 * gcc.dg/strpaste-2.c: New.
11407 2000-02-29 Mark Mitchell <mark@codesourcery.com>
11409 * fold-const.c (size_binop): Don't asert inputs are the same and
11410 have TYPE_IS_SIZETYPE set.
11411 (size_diffop): Likewise.
11413 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
11415 * dwarfout.c (output_block): Output abstract blocks even if they
11416 don't have TREE_ASM_WRITTEN set.
11418 * calls.c (emit_library_call): Check for null REG.
11420 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
11422 * c-decl.c (current_function_decl): Move to toplev.c.
11423 (init_decl_processing): Don't add current_function_decl as a ggc
11425 * dbxout.c (dbxout_symbol): Change return type to int.
11426 (dbxout_symbol_location, dbxout_syms): Likewise.
11427 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
11428 any locals. Use current_function_func_begin_label if set.
11429 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
11430 * dwarf2out.c (dwarf2out_begin_prologue): Set
11431 current_function_func_begin_label.
11432 * final.c (final_start_function): Reset it.
11433 * toplev.c (current_function_decl): Define it here.
11434 (current_function_func_begin_label): New variable.
11435 (main): Add both as ggc roots.
11436 * tree.h (current_function_func_begin_label): Declare.
11438 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11440 * gcse.c: Cleanups throughout: mostly white-space, but also
11441 some minor rearrangement of code.
11443 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
11445 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
11446 returns a PARALLEL. Use emit_group_load and use_group_regs
11448 (emit_library_call_value): Similarly.
11450 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
11451 * pa/quadlib.asm: Remove.
11452 * pa/quadlib.c: New file.
11454 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
11455 * configure: Rebuilt.
11457 2000-02-29 Philip Blundell <pb@futuretv.com>
11459 * config/arm/conix-elf.h: New file.
11460 * configure.in (arm*-*-conix*): New configuration.
11461 * configure: Regenerate.
11463 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
11465 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
11466 don't have TREE_ASM_WRITTEN set.
11468 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11470 * Eliminate DECL_FIELD_SIZE.
11471 * builtins.c (built_in_class_names, built_in_names): New variables.
11472 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
11473 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
11474 DECL_SIZE, not DECL_FIELD_SIZE.
11475 * print-tree.c (print_node): Remove code that prints extra blank
11476 lines in some cases.
11477 Properly handle inline and builtin function cases.
11478 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
11479 * tree.h (built_in_class_named, built_in_names): New declarations.
11480 (union tree_decl): Rename internal unions to u1 and u2 and change
11481 some of their components.
11482 Add new field built_in_class.
11483 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
11484 Reflect above changes.
11485 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
11486 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
11487 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
11488 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
11490 2000-02-28 Dmitri Makarov <dim@windriver.com>
11492 * extend.texi: Document ARM's support for long/short calls.
11494 * invoke.texi: Document ARM's -mlong-calls command line switch.
11496 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
11497 (arm_encode_call_attribute): Add prototype.
11498 (arm_set_default_type_attribute): Add prototype.
11499 (arm_strip_name_encoding): Add prototype.
11501 * config/arm/arm.c (arm_init_cumulative_args): replace
11502 initialisation og 'long_calls' field with initialisation of
11503 'call_cookie' field.
11504 (enum arm_pragma_enum): New enum.
11505 (arm_pragma_long_calls): New static variable.
11506 (arm_process_pragma): Also process "#pragma long_calls_off".
11507 (arm_valid_type_attribute_p): Accept short_call attribute.
11508 (arm_comp_type_attributes): Check long/short call attributes.
11509 (arm_encode_call_attribute): New function: Encode long_call
11510 or short_call attribute in function name.
11511 (arm_set_default_type_attributes): New function: Assign
11512 default attributes to newly defined type.
11513 (current_file_function_operand): New function: Return true if
11514 the symbol is a function which has already been compiled.
11515 (arm_is_longcall_p): New function: Return true if the
11516 indicated function should be called via a long call.
11517 (arm_get_strip_length): New function. Returns number of
11518 prefix characters to be stripped from a function's name.
11519 (arm_strip_name_encoding): New function. Strip prefix characters
11520 from a function's name.
11522 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
11523 with 'call_cookie'.
11524 (SHORT_CALL_FAG_CHAR): Define.
11525 (LONG_CALL_FAG_CHAR): Define.
11526 (ENCODED_SHORT_CALL_ATTR_P): Define.
11527 (ENCODED_LONG_CALL_ATTR_P): Define.
11528 (ARM_NAME_ENCODING_LENGTHS): Define.
11529 (STRIP_NAME_ENCODING): Define.
11530 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
11531 (ARM_ENCODE_CALL_TYPE): Define.
11532 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
11533 (ARM_DECLARE_FUNCTION_SIZE): Define.
11534 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
11536 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
11537 if a long call is needed.
11538 (call_value): Ditto.
11539 (call_symbol): Ditto.
11541 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
11542 ARM_DECLARE_FUNCTION_SIZE.
11544 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
11545 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
11546 (ARM_STRIP_NAME_ENCODING): Undefine.
11547 (STRIP_NAME_ENCODING): Undefine.
11548 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
11549 (ASM_DECLARE_FUNCTION_NAME): Ditto.
11550 (ASM_OUTPUT_COMMON): Ditto.
11551 (ASM_DECLARE_OBJECT_NAME): Ditto.
11553 * config/arm/pe.c (arm_dllexport_name_p): Check for
11555 (arm_dllimport_name_p): Ditto.
11556 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
11557 (arm_mark_dllimport): Ditto.
11559 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11561 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
11563 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11565 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11567 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11569 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11570 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11571 NO_BUILTIN_WCHAR_TYPE is not defined.
11572 (CPP_WCHAR_TYPE): Delete.
11573 * cccp.c (main): Don't change wchar_type if cplusplus.
11574 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11576 2000-02-28 Nick Clifton <nickc@cygnus.com>
11578 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11580 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11582 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11583 (ASM_WEAKEN_LABEL): Define.
11585 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11587 * expr.c (store_constructor): Do not emit USE.
11588 * rtl.h (stupid_life_analysis): Remove.
11590 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11592 * function.c (number_blocks): Reset next_block_index based on
11593 what debugging format is used, not what is defined.
11595 * lcm.c: Minor reformatting throughout.
11596 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11598 * toplev.c (rest_of_compilation): Account for time in
11599 optimize_mode_switching.
11601 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11602 if only marking labels.
11604 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11606 * calls.c (expand_call): Attempt to combine stack adjustments with
11607 pending stack adjustments.
11609 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11611 * loop.c (reg_in_basic_block_p): Don't abort when falling through
11612 to the end of the function.
11614 2000-02-27 Mark Mitchell <mark@codesourcery.com>
11616 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
11618 * final.c (next_block_index): Remove.
11619 (max_block_depth): Likewise.
11620 (pending_blocks): Likewise.
11621 (init_final): Don't initialize them.
11622 (final_start_function): Don't set next_block_index. Set up
11624 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
11625 * function.h (number_blocks): New function.
11626 * function.c (get_block_vector): New function.
11627 (identify_blocks): Use it.
11628 (reorder_blocks): Set NOTE_BLOCK.
11629 (number_blocks): New function.
11630 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11631 * tree.h (BLOCK_NUMBER): New macro.
11632 (tree_block): Add block_num field.
11633 * dbxout.c (next_block_number): Remove.
11634 (dbxout_init): Don't set it.
11635 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11636 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11638 * toplev.c (rest_of_compilation): Always call
11639 find_loop_tree_blocks. Fix indentation.
11640 * dwarf2out.c (next_block_number): Remove.
11641 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11642 to determine block numbers.
11643 (gen_inlined_subroutine_die): Likewise.
11644 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11645 (decls_for_scope): Don't increment next_block_number.
11646 * dwarfout.c (next_block_number): Remove.
11647 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11648 to determine block numbers.
11649 (output_inlined_subroutine_die): Likewise.
11650 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11651 (output_decls_for_scope): Don't increment next_block_number.
11652 * sdbout.c (next_block_number): Remove.
11653 (sdbout_block): Use BLOCK_NUMBER.
11654 (sdbout_begin_block): Simplify.
11655 * xcoffout.c (next_block_number): Remove.
11656 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11657 (xcoffout_begin_block): Don't set next_block_number.
11658 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11661 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11663 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11664 (expand_builtin_strcpy): Pass correct type to size_binop.
11665 (expand_builtin_strcmp): Likewise.
11666 Clean up conditional structure.
11667 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11668 (complete_array_type): Don't use size_binop for MAXINDEX.
11669 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11670 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11671 (c_alignof): Use size_one_node.
11672 (build_unary_op): Pass arg of proper type to size_binop.
11673 (really_start_incremental_init, push_init_level): Use sizetype for
11674 constructor{,_bit,_unfilled}_index.
11675 (pop_init_label, output_init_element): Likewise.
11676 (output_pending_init_elements, process_init_element): Likewise.
11677 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11678 * expr.c (store_expr): Use size_int.
11679 (store_constructor): Use proper types for size_binop args.
11680 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11681 (expand_expr_unaligned): Likewise.
11682 (string_contant): Return object of sizetype.
11683 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11684 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11685 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11686 * fold-const.c (int_const_binop): Refine when size_int is called.
11687 (fold_convert): Likewise.
11688 (size_int_wide): Rework to take KIND as arg, only take low order
11689 bits, handle new sizetype_tab datatype, and chain entries in
11691 (size_int_type_wide): New function.
11692 (size_binop): Validate types of arguments.
11693 (ssize_binop): Deleted.
11694 (size_diffop): New function.
11695 (extract_muldiv): Only fold division into multiplication for sizetypes.
11696 * function.c (assign_parms): Use size_diffop and make sure
11697 VAR field is of ssizetype; also pass proper type to size_binop.
11698 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11699 (round_down): Deleted from here.
11700 * store-layout.c (sizetype_tab): Now an array.
11701 (sizetype_set, early_root_list): New variables.
11702 (variable_size): Use size_one_node.
11703 (round_up): Pass proper type to size_binop.
11704 (round_down): Moved to here and corrected as above.
11705 (layout_record): Pass proper arg types to size_binop.
11706 (layout_type): Likewise.
11707 If sizetype_set is zero, record the type just laid out.
11708 (make_unsigned_type): Don't call set_sizetype;
11709 (make_signed_type): Likewise; also, call fixup_signed_type.
11710 (initialize_sizetypes): New function.
11711 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11712 set name of bitsizetype to "bit_size_type".
11713 Fix up type of sizes of all types made before call.
11714 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11715 * tree.c (fix_sizetype): Deleted.
11716 (build_common_tree_nodes): Call initialize_sizetypes.
11717 (build_common_tree_nodes_2): Don't call fix_sizetype.
11718 * tree.h (TYPE_IS_SIZETYPE): New macro.
11719 (initialize_sizetype): New declaration.
11720 (enum size_type_kind): New type.
11721 (struct sizetype_tab): Deleted.
11722 (sizetype_tab): Now array; adjust sizetype macros.
11723 (size_diffop, size_int_type_wide): New functions.
11724 (size_int_wide): Change number of args and type; access macros changed.
11725 (ssize_int, sbitsize_int): New macros.
11726 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11727 (ROUND_TYPE_SIZE_UNIT): New macro.
11729 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11731 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11733 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11735 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11736 Mark as possibly unused.
11738 * cse.c (cse_insn): Delete dead code involving tablejump.
11739 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11741 * Makefile.in (libcpp.a): Start by deleting it.
11743 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11745 * cpplib.h (enum file_change_code): Added rename_file.
11746 * cpplib.c (do_line): If a filename is given, set file_change to
11748 (output_line_command): If file_change is rename_file, always
11749 output a # directive with the file name.
11751 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11753 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11755 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11756 when copying a PARM_DECL or RESULT_DECL.
11758 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11760 * fix-header.c (recognized_function): Also fix prototypes for
11761 functions taking "void".
11763 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11765 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11766 looking at reg_reloaded_contents.
11768 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11770 * Makefile.in (STMP_FIXINC): New toggle.
11771 (LIBGCC2_DEPS): Delete all references.
11772 (stmp-headers): Delete target. All references either deleted
11773 or changed to stmp-int-headers.
11774 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11775 (LIBCPP_OBJS): Take out cppalloc.o.
11776 (cppalloc.o): Delete target.
11777 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11778 (gen-protos, fix-header): Link with libiberty.a.
11779 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11782 * configure.in: Remove refs to strerror.
11783 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11784 * system.h: Take out strerror stanza.
11786 * cpperror.c (my_strerror): Delete function.
11787 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11788 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11789 * cppalloc.c: Delete file.
11790 * gen-protos.c: Don't provide xrealloc.
11792 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11793 xstrerror throughout.
11795 2000-02-26 Bruce Korb <bkorb@gnu.org>
11797 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11798 match for DOS headers, too.
11799 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11801 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11803 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11804 is right for most ELF targets.
11805 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11806 Let the default file use %U properly.
11807 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11810 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11813 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11815 * toplev.c (documented_lang_options): Correct spelling error.
11816 (decode_d_option, decode_f_option, main): Likewise.
11818 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11820 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11821 to tell assembler it is permitted to expand large constants.
11823 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11825 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11826 (aux_info_suffix): Use.
11827 (SAVE_SUFFIX): New macro.
11828 (save_suffix): Use.
11829 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11830 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11831 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11833 * invoke.texi (Running Protoize): Update documentation.
11835 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11837 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11839 2000-02-25 John Wehle (john@feith.com)
11841 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11843 2000-02-25 Anthony Green <green@cygnus.com>
11845 * toplev.c (rest_of_compilation): Rebuild jump labels if
11846 combine_instructions has created a new direct jump.
11847 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11849 (combine_instructions): Call try_combine with new argument.
11850 Return non-null value when new direct jump instruction is created.
11851 * rtl.h: combine_instructions returns an int.
11853 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11855 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11856 jump when changing a computed jump into a jump to a known
11859 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11861 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11862 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11864 * i386.md (define_expand "clrstrsi"): Fix typo.
11866 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11868 * rtl.texi: Fix typo.
11870 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11872 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11873 UNITS_PER_WORD. Change caller initial_elimination_offset.
11874 (rounded_frame_size): Take into account that argument pushed has
11875 changed. Fix TARGET_ALIGN_DOUBLE problem.
11877 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11879 * haifa-sched.c (schedule_block): Explain the real reason
11880 we delete REG_SAVE_NOTEs on the first insn of a block.
11881 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11883 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11885 * input.h (push_srcloc): New function.
11886 (pop_srcloc): Likewise.
11887 * toplev.c (push_srcloc): Define it.
11888 (pop_srcloc): Likewise.
11890 2000-02-24 Richard Henderson <rth@cygnus.com>
11892 * flow.c (life_analysis): When collecting reg info, clear
11895 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11897 Fix bug exposed by reload.c no longer rounding the frame
11898 size to BIGGEST_ALIGNMENT:
11899 * sh.c (rounded_frame_size): New function.
11900 (sh_expand_prologue, sh_expand_epilogue): Use it.
11901 (initial_elimination_offset): Likewise.
11903 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11905 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11906 * sh-protos.h (sh_need_epilogue): Declare.
11907 * sh.c (sh_need_epilogue_known): New static variable.
11908 (sh_need_epilogue): New function.
11909 (function_epilogue): Clear need_epilogue_known.
11910 * sh.md (return): Split into expander / insn pattern.
11911 Make the expander conditional on ! sh_need_epilogue ().
11913 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11915 * machmode.h (get_mode_alignment): Declare.
11916 (GET_MODE_ALIGNMENT): Call it.
11917 * stor-layout.c (get_mode_alignment): New function. Make
11918 sure alignment is always power of 2.
11920 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11922 * i386.h: Remove useless definition of "I386" and misleading
11925 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11927 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11928 under which TREE_PERMANENT will be set.
11929 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11930 build1): Use TREE_SET_PERMANENT.
11931 * print-tree.c (print_node): Don't report value of
11932 TREE_PERMANENT if ggc_p is true.
11934 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11935 decide whether to give a type a new alias set.
11936 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11937 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11938 of value of 'obstack'.
11941 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11943 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11945 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11947 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11948 * cpplib.c (cpp_get_token): Produce them.
11949 * cppexp.c (cpp_lex): Handle them.
11951 2000-02-23 Nick Clifton <nickc@cygnus.com>
11953 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11954 comment tests on type attributes.
11956 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11958 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11959 conform to documentation.
11960 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11961 to check for special cases.
11962 * sh-protos.h (sh_loop_align): Declare.
11963 * sh.c (sh_loop_align): Define.
11965 2000-02-22 Andrew Haley <aph@cygnus.com>
11967 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11968 (SIZE_TYPE): Is 32 bits when using -mgp32.
11969 (PTRDIFF_TYPE): Ditto.
11971 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11973 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11975 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11977 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11978 BIGGEST_FIELD_ALIGNMENT a constant.
11980 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11982 * dwarf2out.c (output_line_info): Put the marker for the end of
11983 the line number info at the actual end.
11984 (gen_struct_or_union_type_die): Use decl_function_context
11985 to check for local classes.
11986 * dwarfout.c (output_type): Likewise.
11988 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11990 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11991 for arguments with a mode, but no type.
11992 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11993 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11994 * pa/long_double.h: New file.
11995 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11996 both have 128bit wide long doubles.
11997 * configure: Rebuilt.
11999 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12001 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
12003 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
12004 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
12005 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
12007 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
12009 * integrate.c (compare_blocks, find_block): Likewise.
12011 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
12013 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
12015 * stmt.c (stmt_status, set_file_and_line_for_stmt,
12016 expand_asm_operands): Likewise.
12018 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
12020 * predict.c (estimate_probability): Added the pointer heuristic to
12021 the collection of static branch predictors.
12023 2000-02-21 Catherine Moore <clm@cygnus.com>
12025 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
12026 * invoke.texi (-mfix7000): Document.
12028 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
12030 * diagnostic.c (init_output_buffer): Make it possible to output at
12031 least 32 characters if we're given a too long prefix.
12033 2000-02-20 Mark Mitchell <mark@codesourcery.com>
12035 * varasm.c (initializer_constant_valid_p): Call
12036 lang_expand_constant to simplify the constant.
12038 2000-02-20 Bruce Korb <bkorb@gnu.org>
12040 * fixinc/inclhack.def(stdio_va_list):
12041 typedef needs to be disabled.
12042 * fixinc/inclhack.sh: regen
12043 * fixinc/fixincl.x: regen
12045 2000-02-20 Geoff Keating <geoffk@cygnus.com>
12047 * print-rtl.c (print_rtx): Don't print addresses when
12048 flag_dump_unnumbered.
12050 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12052 * sparc.c (sparc_output_scratch_registers): Mark parameter with
12054 (sparc_va_arg, sparc_flat_output_function_prologue,
12055 sparc_flat_output_function_epilogue): Cast value to unsigned in
12057 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
12059 * sparc.md: Add default case in switch.
12061 2000-02-19 Richard Henderson <rth@cygnus.com>
12063 * c-typeck.c (add_pending_init): Don't abort for multiple
12064 fields at the same offset.
12065 (pending_init_member): Test the correct member.
12067 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12069 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
12071 (start_catch_handler) : Same.
12073 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
12075 * Makefile.in: Have flow.o depend on $(EXPR_H)
12077 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12079 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
12080 * c-decl.c (duplicate_decls, finish_enum): Likewise.
12081 (finish_decl): Remove -Wlarger-than code from here.
12082 * flags.h (id_clash_len): Now int.
12083 (larger_than_size): Now HOST_WIDE_INT.
12084 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
12085 Clean up checking to see if in table.
12086 (make_bit_field_ref): Remove extra parm to bitsize_int.
12087 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
12088 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
12089 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
12090 and for computing size of decl.
12091 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
12092 Move -Wlarger-than code to here.
12093 (layout_record): Remove extra arg to bitsize_int.
12094 Set TYPE_BINFO_SIZE_UNIT.
12095 (layout_union): Remove extra arg to bitsize_int.
12096 Use proper type for size of QUAL_UNION.
12097 (layout_type): Remove extra arg to bitsize_int.
12098 * toplev.c (id_clash_len): Now int.
12099 (larger_than_size): Now HOST_WIDE_INT.
12100 (decode_W_option): Clean up id-clash and larger-than- cases.
12101 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
12102 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
12103 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
12104 (struct tree_decl): New field size_unit.
12105 (size_int_wide): No HIGH operand; NUMBER is now signed.
12106 (size_int_2): Deleted.
12107 (size_int, bitsize_int): Don't use it and rework args.
12108 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
12110 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
12112 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
12114 2000-02-18 Geoff Keating <geoffk@cygnus.com>
12116 * invoke.texi (Warning Options): Add an explanation of why
12117 you might want the -Wfloat-equal flag.
12119 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12121 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
12122 * cppinit.c (new_pending_define): Add cast to avoid warning.
12123 * expmed.c (extract_bit_field): Likewise.
12124 * flow.c (enum reorder_skip_type): New type.
12125 (skip_insns_between_blcok): New it.
12126 Rework to avoid warning about possibly undefined variable.
12127 * function.c (assign_parms): Make thisparm_boundary unsigned.
12128 * genrecog.c (write_switch): Cast XWINT result to int.
12129 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
12130 * mips-tfile.c (init_file): Make two versions of FDR intializer:
12131 one for MIPS and one for Alpha.
12132 (get_tag, copy_object): Add casts to avoid warnings.
12133 * optabs.c (init_one_libfunc): Cast NAME to (char *).
12134 * reload.c (find_reloads): Make TYPE enum reload_type.
12135 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
12136 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
12137 * varasm.c (compare_constant_1): Add cast to avoid warning.
12138 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
12140 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
12141 Cast switch operand of size to int.
12142 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
12143 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
12146 2000-02-18 Nick Clifton <nickc@cygnus.com>
12148 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
12149 anything for an alignment of zero.
12151 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
12152 anything for an alignment of zero.
12154 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
12156 * gcc.texi (Bug Reporting): Refer to bugs.html.
12157 (Bug Lists): Likewise.
12158 * system.h (GCCBUGURL): New preprocessor define.
12159 * rtl.c (fancy_abort): Use it.
12160 * gcc.c (main): Likewise.
12162 2000-02-18 Richard Henderson <rth@cygnus.com>
12164 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
12165 (life_analysis_1): Subsume into ...
12166 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
12167 Use update_life_info for the relaxation.
12168 (update_life_info): Update REG_BASIC_BLOCK for registers live on
12169 entry and regs_live_at_setjmp.
12170 (set_noop_p): Simplify.
12171 (notice_stack_pointer_modification_1): Renamed from s/_1//.
12172 (record_volatile_insns): Split into ...
12173 (delete_noop_moves): ... here,
12174 (notice_stack_pointer_modification): ... here,
12175 (insn_dead_p): ... and here.
12176 (propagate_block): Don't query INSN_VOLATILE.
12177 (mark_used_regs): Mind !PROP_REG_INFO.
12178 * toplev.c (rest_of_compilation): Call mark_constant_function here,
12179 not in life_analysis.
12181 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
12183 * loop.c (canonicalize_condition): New function,
12184 broken out of get_condition.
12185 (get_condition): Use it.
12186 * expr.h (canonicalize_condition): Prototype it.
12188 * tree.h (tree_int_cst_msb): Declare.
12189 * tree.c (tree_int_cst_msb): New function.
12191 2000-02-17 Mark Mitchell <mark@codesourcery.com>
12193 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
12196 * invoke.texi (-fmessage-length=n): Document.
12198 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
12200 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
12202 2000-02-17 Mark Mitchell <mark@codesourcery.com>
12204 * function.c (thread_prologue_and_epilogue_insns): Put a line note
12205 after the prologue.
12207 2000-02-17 Nick Clifton <nickc@cygnus.com>
12209 * config/arm/thumb.c: Replace includes of system headers with
12210 #include "system.h".
12212 2000-02-16 Richard Henderson <rth@cygnus.com>
12214 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
12215 Add crtbeginS.o and crtendS.o.
12216 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
12217 (ENDFILE_SPEC): Use crtendS.o.
12218 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
12220 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
12221 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
12222 shared and present.
12223 (__dso_handle): New variable.
12224 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
12225 bias to __CTOR_END__.
12227 2000-02-16 Richard Henderson <rth@cygnus.com>
12229 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
12231 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
12233 * longlong.h (__clz_tab): Declare as static to match definition.
12235 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
12237 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
12238 (XREF_FILE_NAME): Define.
12240 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
12241 (EH_FRAME_SECTION_ASM_OP): Define.
12242 (IDENT_ASM_OP): Define.
12243 (TEXT_SECTION_ASM_OP): Define.
12244 (CPP_SPEC): Define.
12245 (CTORS_SECTION_ASM_OP): Define.
12246 (CTOR_SECTION_FUNCTION): Use it.
12247 (DTORS_SECTION_ASM_OP): Define.
12248 (DTOR_SECTION_FUNCTION): Use it.
12250 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
12252 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
12255 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
12256 debug_bb_n): New functions.
12257 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
12258 * basic-block.h: Prototype new functions.
12260 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
12262 * configure.in: Add support for avr target.
12263 * configure: Rebuilt.
12265 * invoke.texi: Add AVR invocation docs.
12266 * install.texi: Add information about AVR.
12267 * md.texi: Add AVR constraint letters description.
12268 * extend.texi: Add description for AVR specific attributes.
12270 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
12272 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
12274 2000-02-16 Nick Clifton <nickc@cygnus.com>
12276 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
12277 (make_insn_raw): Move RTL check here.
12279 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12281 * version.c: Include gansidecl.h and version.h.
12283 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
12285 * configure.in (gcc_version): When setting, narrow search to
12286 lines containing `version_string'.
12288 * Makefile.in (mainversion): Likewise.
12289 (GCC_H): New variable.
12290 (gcc.h): Delete target.
12291 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
12292 (version.o): Depend on version.h.
12293 (dbxout.o): Don't depend on gcc.h.
12295 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
12296 Michael Meissner <meissner@cygnus.com>
12298 * md.texi (Simple Constraints): Add item about whitespace.
12299 * genoutput.c (strip_whitespace): New.
12300 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
12301 strip_whitespace for constraints.
12302 Test pointer using NULL, not 0.
12304 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12306 * cpplib.c (do_line): Pedwarn for #line > 32767.
12308 * c-lex.c (readescape): Warn about '\x', but do not reject it.
12310 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
12312 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
12313 to default cpp spec.
12314 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
12315 * cpp.texi: Document __GNUC_PATCHLEVEL__.
12318 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
12321 2000-02-15 Denis Chertykov <denisc@overta.ru>
12323 * configure.in: Add support for avr target.
12325 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12327 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
12328 (sh_addr_diff_vec_mode): Don't declare.
12329 * sh.c (sh_addr_diff_vec_mode): Delete.
12331 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12333 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
12335 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12337 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
12338 (smulsi3_highpart_i): Name.
12339 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
12340 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
12341 (smulsi3_highpart, umulsi3_highpart): Likewise.
12343 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
12344 correctly independent of endianness.
12345 (mulsidi3, umulsidi3): Now define_insn. Hide details that
12346 confuse the optimizers.
12347 (mulsidi3+1, umulsidi3+1): New define_split.
12349 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
12351 * config/sh/sh.md: Guard insn splits against illegal registers.
12352 * config/sh/sh.h: Correct comment about macros.
12354 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12355 Andrew MacLeod <amacleod@cygnus.com>
12357 * Makefile.in (lcm.o): Depend on insn-attr.h.
12358 * basic-block.h (optimize_mode_switching): Declare.
12359 * lcm.c (tm_p.h, insn-attr.h): #include.
12360 (seginfo, bb_info): New structs.
12361 (antic, transp, comp, delete, insert) : New file-scope static variables.
12362 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
12363 (reg_becomes_live, optimize_mode_switching): Likewise.
12364 * tm.texi: Add description of mode switching macros.
12365 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
12367 * sh-protos.h (remove_dead_before_cse): Remove prototype.
12368 (fldi_ok, fpscr_set_from_mem): New prototypes.
12369 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
12370 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
12371 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12372 (sh_flag_remove_dead_before_cse): Remove declaration.
12373 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
12374 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
12375 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
12376 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12377 (barrier_align): Allow for JUMP_INSNS containing a parallel.
12378 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
12379 (fldi_ok): New function.
12380 (get_fpscr_rtx): Add fpscr_rtx as GC root.
12381 (emit_sf_insn): Only generate fpu switches when optimize < 1.
12382 (emit_df_insn): Likewise.
12383 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
12384 (sh_flag_remove_dead_before_cse): Delete.
12385 (get_free_reg, fpscr_set_from_mem): New functions.
12386 * sh.md (movdf, movsf): Remove no_new_pseudos code.
12387 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
12389 2000-02-15 Loren Rittle <ljrittle@acm.org>
12391 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
12393 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12395 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
12396 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
12398 * cccp.c: Include version.h and/or don't declare `version_string'.
12399 * collect2.c: Likewise.
12400 * alpha.c: Likewise.
12401 * arm/aof.h: Likewise.
12402 * arm/coff.h: Likewise.
12403 * arm/elf.h: Likewise.
12404 * arm/pe.h: Likewise.
12405 * arm/tcoff.h: Likewise.
12406 * arm/telf.h: Likewise.
12407 * arm/tpe.h: Likewise.
12408 * arm/vxarm.h: Likewise.
12409 * convex/convex.c: Likewise.
12410 * i386/dgux.c: Likewise.
12411 * i386/sun386.h: Likewise.
12412 * m88k/m88k.c: Likewise.
12413 * mcore/mcore-pe.h: Likewise.
12414 * mips/mips.h: Likewise.
12415 * romp/romp.h: Likewise.
12416 * sh/sh.c: Likewise.
12417 * cpphash.c: Likewise.
12418 * cppinit.c: Likewise.
12419 * dwarf2out.c: Likewise.
12420 * dwarfout.c: Likewise.
12423 * mips-tfile.c: Likewise.
12424 * protoize.c: Likewise.
12425 * toplev.c: Likewise.
12426 * tree.h: Likewise.
12428 * version.c (version_string): Constify a char*.
12430 * version.h: New file.
12432 2000-02-14 Nick Clifton <nickc@cygnus.com>
12434 * configure.in: Add mcore-elf and mcore-pe targets.
12435 * configure: Regenerate.
12437 * NEWS: Add note that MCore port has been contributed.
12439 * invoke.texi: Document command line switches for MCore port.
12440 * install.texi: Add MCore to list of supported targets.
12442 2000-02-14 Geoff Keating <geoffk@cygnus.com>
12444 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
12445 then we will need to import the frame handling functions.
12446 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
12447 to import the frames themselves.
12449 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
12450 Jason Eckhardt <jle@cygnus.com>
12452 * basic_block.h: Added prototype for reorder_basic_blocks.
12453 * toplev.c: Changes to add -freorder-blocks and graph dump after
12454 block reordering is done.
12455 * flow.c (reorder_block_def): New structure for use during block
12457 (REORDER_BLOCK_*): New macros to access members of above structure.
12458 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
12459 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
12460 functions for block reordering.
12462 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
12464 * gcc.texi (Passes): Fix typo.
12465 * md.texi (Standard Names): Ditto.
12466 * tm.texi (Storage Layout): Ditto.
12468 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12470 * cpplib.c (do_define): Only free the old definition if it
12473 2000-02-13 Neil Booth <NeilB@earthling.net>
12475 * cppfiles.c (read_and_prescan): When emitting deferred
12476 newlines, test speccase[] again instead of checking each
12477 possible whitespace character in turn. When we encounter \r,
12478 look behind for \n first, then ahead.
12480 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12482 * cse.c (cse_altered): New internal flag.
12483 (cse_insn): Set it if we changed an insn.
12484 (cse_main): Clear cse_altered before each basic block.
12485 Only garbage collect if cse_altered is true afterward.
12487 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12489 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
12491 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
12493 * combine.c (simplify_comparison): Fix typo.
12495 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
12497 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
12500 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12502 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
12503 previously inserted node instead of root node. Caller changed.
12505 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12507 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
12509 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12511 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
12512 __dereg_frame_dtor): Add prototype argument.
12514 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
12516 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
12518 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
12520 * gthr-vxworks.h (__gthread_once): Likewise.
12522 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
12524 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
12526 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
12527 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
12528 stack pointer in functions w/o saved registers, output LEAVE more often
12529 on TARGET_USE_LEAVE machines.
12531 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
12533 * config/arm/arm.c (arm_init_cumulative_args); New function:
12534 Initlaise the CUMULATIE_ARGS strcuture for a function
12536 (arm_function_arg): New function: Determine where to place a
12537 function's argument. Also handles deciding the function's
12539 (current_file_function_operand): New function: Return true if
12540 the symbol is a function which has already been compiled.
12541 (arm_is_long_call_p): New function: Return true if the
12542 indicated function should be called via a long call.
12543 (arm_valid_type_attribute_p): New function: Return true if the
12544 attribute is a valid, arm specific, attribute.
12545 (arm_comp_type_attribute): New function: Return true if the
12546 two types have compatable, arm specific, attributes.
12548 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
12550 (FUNCTION_ARG): Redefine to call arm_function_arg.
12551 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
12553 (INIT_CUMULATIVE_ARGS): Redefine to call
12554 arm_init_cumulative_args.
12555 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
12557 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
12559 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
12561 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
12562 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
12563 (COMP_TYPE_ATTRIBUTES): Define.
12565 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12566 if a long call is needed.
12567 (call_value): Call arm_is_long_call_p to decide if a long call
12569 (call_symbol): Call arm_is_long_call_p to decide if a long call
12572 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12574 2000-02-11 Denis Chertykov <denisc@overta.ru>
12576 * README.AVR: New file with information about the avr ports.
12577 * config/avr: New directory with avr port files.
12579 2000-02-11 Andreas Jaeger <aj@suse.de>
12581 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12583 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12585 * cpphash.c: Fix formatting, update commentary.
12586 (dump_definition): Take three separate arguments instead of a
12587 MACRODEF structure argument.
12588 * cpphash.h: Update prototype of dump_definition.
12589 * cppinit.c (cpp_finish): Update call of dump_definition.
12591 * cpplib.c (do_define): Always create new hash entry with
12592 T_MACRO type. Remove redundant check for redefinition of
12593 poisoned identifier. Update call of dump_definition.
12594 (do_undef): Don't call check_macro_name. Rename sym_length to
12596 (do_error, do_warning): Don't use copy_rest_of_line or
12598 (do_warning): Don't use pedwarn for the actual warning,
12599 only the notice about its not being in the standard. (Fixes
12600 bug with #warning in system headers.)
12601 (do_ident): Stricter argument checking - accept only a single
12602 string after #ident. Also, macro-expand the line.
12603 (do_xifdef): Use cpp_defined. De-obfuscate.
12605 (do_pragma): Split out specific pragma handling to separate
12606 functions. Use get_directive_token. Update commentary. Do
12607 not pass on #pragma once or #pragma poison to the front end.
12608 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
12609 do_pragma_default): New.
12611 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
12613 * jump.c (jump_optimize_1): The first operand in a relational
12614 can be a CONST_INT.
12615 * optabs.c (emit_conditional_move): Handle relationals which
12616 have a known true/false result.
12618 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12620 * function.c (thread_prologue_and_epilogue_insns): Don't insert
12621 a RETURN insn into a block which already ends with a jump.
12623 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12625 * haifa-sched.c (BUF_LEN): Increase a lot.
12627 2000-02-11 Nick Clifton <nickc@cygnus.com>
12629 * configure.in: Add tm_p_file specification for thumb targets.
12630 * configure: Regenerate.
12632 * config/arm/thumb-protos.h: New file: Prototypes for exported
12633 functions defined in thumb.c.
12635 2000-02-11 Robert Lipe <robertl@sco.com>
12637 * Makefile.in (bootstrap-lean): Remove additional files.
12638 (bootstrap2-lean): Likewise.
12639 (VOL_FILES): List of files for above.
12641 2000-02-11 Nathan Sidwell <nathan@acm.org>
12643 * cpphash.c (special_symbol): Remove spurious argument to
12646 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12648 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12650 * configure: Rebuilt.
12652 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12654 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12656 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12658 * pa.c, pa.h: Remove trigraph sequences within comments.
12660 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12662 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12664 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12666 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12668 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12670 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12672 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12674 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12675 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12676 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12677 (ASM_FILE_END): Use c4x_file_end.
12678 * config/c4x/c4x.c (c4x_global_label): New function.
12679 (c4x_external_ref, c4x_file_end): Likewise.
12681 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12682 (c4x_external_ref, c4x_end_file): Likewise.
12684 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12686 * cppexp.c: Don't include cpphash.h.
12687 (parse_charconst, cpp_lex): Use cpp_defined.
12688 (cpp_lex): Use get_directive_token throughout. Remove
12689 unnecessary cases from switch. Move assertion-handling code
12690 down to OTHER case.
12691 (cpp_parse_expr): If we see '+' or '-', check the context to
12692 determine if they are unary or binary operators. Streamline
12693 the jumps a bit. Do not call skip_rest_of_line.
12695 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12696 static. Export get_directive_token. Update commentary.
12697 (cpp_defined): New function.
12698 (do_define): Remove reference to T_PCSTRING. Call
12699 free_definition to release memory for old definition, when
12700 redefining a macro.
12701 (eval_if_expression): Set only_seen_white to 0 before calling
12702 cpp_parse_expr. Call skip_rest_of_line after it returns.
12703 (cpp_read_check_assertion): Don't preserve a pointer into the
12704 token buffer across a call to cpp_get_token.
12706 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12707 * cppfiles.c (redundant_include_p): Use cpp_defined.
12708 * cpphash.c (free_definition): New function.
12709 (delete_macro): Use it. Update commentary.
12710 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12712 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12713 from enum node_type. Prototype cpp_defined and get_directive_token.
12714 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12716 * fix-header.c (check_macro_names): Use cpp_defined.
12717 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12718 the options structure.
12720 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12722 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12724 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12726 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12727 rather than die->die_tag.
12729 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12731 * combine.c (make_extraction, force_to_mode): Avoid warning on
12732 mixed-signedness conditionals.
12733 (make_field_assignment, nonzero_bits): Likewise.
12734 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12735 (store_split_bit_field, extract_split_bit_field): Likewise.
12736 (extract_fixed_bit_field, store_bit_field,
12737 * expr.c: Change alignment to be unsigned everywhere.
12738 (move_by_pieces, store_constructor_field, store_constructor):
12739 Alignment parm is unsigned.
12740 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12741 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12742 (do_compare_rtx_and_jump): Likewise.
12743 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12744 Compare align with GET_MODE_ALIGNMENT.
12745 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12746 (get_inner_reference): Likewise.
12747 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12748 (expand_assignment): Local vars for alignment now unsigned.
12749 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12750 (do_compare_and_jump): Likewise.
12751 (store_field): Call new function expr_align.
12752 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12753 Alignment arg now unsigned.
12754 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12755 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12756 (extract_bit_field): Likewise.
12757 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12758 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12759 (get_best_mode): Alignment arg is unsigned.
12760 * rtl.h (move_by_pieces): Likewise.
12761 * store-layout.c (maximum_field_alignment, set_alignment):
12763 (layout_decl): Alignment arg is now unsigned.
12764 Remove unneeded casts.
12765 (layout_record, layout_union, layout_type): Remove unneeded casts.
12766 Local alignment variables now unsigned.
12767 (get_best_mode): Alignment arg now unsigned.
12768 * tree.c (expr_align): New function.
12769 * tree.h (expr_align): Likewise.
12770 (maximum_field_alignment, set_alignment): Now unsigned.
12771 (get_inner_reference): Alignment argument is now pointer to unsigned.
12772 * varasm.c (assemble_variable): Add cast to eliminate warning.
12774 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12776 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12777 then store directly into op0.
12779 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12780 the CALL_INSN, and emit the note immediately after it.
12782 2000-02-10 Nick Clifton <nickc@cygnus.com>
12784 * config/arm/thumb.md (epilogue): Include a (return) in the
12785 generated insn, and emit it using emit_jump_insn not
12788 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12790 * function.c (assign_temp): Change zero-sized arrays to size 1.
12791 * integrate.c (expand_inline_function): Do not update
12792 stack_alignment_needed
12793 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12794 add some sanity checking, remove optimization for function with
12797 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12799 * flow.c (mark_regs_live_at_end): Delete unused variables.
12801 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12803 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12804 in macro FRAME_GROWS_DOWNWARD.
12806 * stmt.c (expand_end_bindings): Delete unused variable.
12808 * unroll.c (iteration_info): Mark parameter `loop' with
12811 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12813 * fixinc/server.c (load_data): Return NULL if the marker line is
12815 (run_shell): If load_data returns NULL, retry the command once, in
12818 * configure: Rebuilt.
12820 2000-02-09 Bruce Korb <bkorb@gnu.org>
12822 * gcc/fixincludes: ** DELETED **
12823 * gcc/fixcpp: ** DELETED **
12824 * gcc/fixinc-nt.sed: ** DELETED **
12825 * gcc/just-fixinc: ** DELETED **
12826 * gcc/Makefile.in: Removed out-dated commentary
12827 * gcc/configure.in: Removed fast-fixincludes disablement.
12828 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12830 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12831 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12834 2000-02-09 Richard Henderson <rth@cygnus.com>
12836 * jump.c (delete_insn): Don't delete user labels at -O0.
12838 2000-02-09 Robert Lipe <robertl@sco.com>
12840 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12841 Don't link with HOST_LIBS.
12843 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12845 * configure.in: Correct --help text for --with-dwarf2.
12846 Put tm-dwarf2.h after other tm files, if it's requested.
12847 * configure: Regenerate.
12848 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12851 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12853 * cpplib.h: Provide HASHNODE typedef and forward decl of
12854 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12855 DEFINITION, struct hashnode, struct macrodef, struct
12856 definition, scan_decls prototype, default defn of
12857 INCLUDE_LEN_FUDGE moved elsewhere.
12859 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12860 definition, and struct hashnode moved here. Remove the unused
12861 'predefined' field from struct definition. Replace the 'args'
12862 union with its sole member. All users updated (cpphash.c).
12863 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12864 multiple include guard.
12866 * cpphash.c (hashf): Make static; use better algorithm; drop
12867 HASHSIZE parameter; return an unsigned int.
12868 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12869 used. Calculate HASHSIZE modulus here.
12870 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12872 (create_definition): Drop PREDEFINITION parameter.
12873 * cpplib.c (do_define): Don't calculate a hash value here.
12874 Don't pass (keyword == NULL) to create_definition.
12876 * scan.h: Prototype scan_decls here.
12877 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12878 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12879 callers of cpp_lookup and cpp_install updated.
12881 * cpphash.c (macarg): Hoist all the flag diddling out of the
12883 (macroexpand): ... and out of the loop that calls macarg.
12884 Skip over the initial paren before macro arguments with
12885 cpp_get_non_space_token; point may be some distance before
12886 that paren. Abort if it's not there.
12888 * cpplib.c (parse_clear_mark): Delete function.
12889 (parse_set_mark, parse_goto_mark): Make static.
12890 (ACTIVE_MARK_P): New macro.
12891 (skip_block_comment, skip_line_comment): Do not bump the line
12892 if ACTIVE_MARK_P is true.
12893 (cpp_pop_buffer): The buffer to be popped may not have an
12895 (cpp_get_token): When looking for the initial paren before
12896 macro arguments, only set a mark in a file buffer, Always
12897 return to that mark before proceeding to call macroexpand or
12898 return a NAME token.
12900 * cpplib.h: Remove prototypes of parse_set_mark,
12901 parse_clear_mark, parse_goto_mark.
12902 (struct cpp_options): Rename 'put_out_comments' to
12903 'discard_comments' and invert its sense.
12904 * cppinit.c, cpphash.c, cpplib.c: All users of
12905 put_out_comments changed to use discard_comments, with
12908 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12910 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12911 the edge from a block that both jumps and falls through to the
12914 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12916 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12917 constant source address is legitimate.
12919 2000-02-09 Philip Blundell <pb@futuretv.com>
12921 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12924 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12926 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12928 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12930 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12931 ends with a newline and a NUL. Don't be so clever manipulating
12934 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12936 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12937 not to BIGGEST_ALIGNMENT.
12939 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12941 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12942 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12943 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12944 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12945 * frame.c (execute_cfa_insn): Handle
12946 DW_CFA_GNU_negative_offset_extended.
12948 2000-02-08 Richard Henderson <rth@cygnus.com>
12950 * flow.c (tidy_fallthru_edges): Split out from ...
12951 (delete_unreachable_blocks): ... here.
12952 (find_basic_blocks): Use it.
12954 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12956 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12958 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12960 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12961 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12962 (fix-header.o): Don't depend on cpphash.h.
12964 * scan.c (hashstr): New function.
12965 * scan.h: Prototype it.
12966 * fix-header.c: Don't include cpphash.h. Use hashstr.
12967 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12968 hashstr. Report hash table statistics. Add private
12969 definition of xrealloc.
12971 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12973 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12975 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12977 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12978 jumps with returns unless they are jumps to the fallthru block.
12980 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12982 * i386.md (addqi3_cc): Fix contraints.
12984 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12986 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12988 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12990 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12991 carriage return after a macro name.
12993 2000-02-07 Fred Fish <fnf@be.com>
12995 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12996 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12998 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
13000 * cppfiles.c (deps_output): Count spacers in deps_column.
13002 2000-02-07 Neil Booth <NeilB@earthling.net>
13004 * cppinit.c (initialize_dependency_output): If there is no
13005 suffix, don't try to look for known suffixes. Use strrchr.
13006 (cpp_start_read): Remove duplicate initialization.
13008 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
13010 * calls.c (compute_argument_block_size): New argument
13011 preferred_stack_boundary.
13012 (expand_call): update cfun->preferred_stack_boundary, update call of
13013 compute_argument_block_size
13014 (emit_library_call): Increate cfun->preferred_stack_boundary
13015 to PREFERRED_STACK_BOUNDARY
13016 (emit_library_call_value): Likewise.
13017 * explow.c (allocate_dynamic_stack_spave): Likewise.
13018 * function.c (prepare_function_start): Set
13019 cfun->preferred_stack_boundary
13020 * function.h (struct function): Add preferred_stack_boundary field.
13021 * integrate.c (expand_inline_function): Update
13022 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
13023 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
13024 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
13026 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
13028 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
13029 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
13030 cpp_pedwarn, cpp_pedwarn_with_line,
13031 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
13032 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
13033 v_cpp_error_with_line, v_cpp_warning_with_line,
13034 cpp_message_from_errno, cpp_perror_with_name): Delete.
13036 * cpperror.c (cpp_print_containing_files): Take starting
13037 buffer as argument.
13038 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
13039 (v_cpp_message): Now called directly by all entry points.
13041 (cpp_pfatal_with_name, cpp_message): Delete.
13042 (cpp_notice_from_errno, cpp_ice): New functions.
13043 (cpp_notice): Is now for reporting error conditions, just
13044 without an associated file.
13045 (cpp_error, cpp_error_with_line): Don't do anything if
13046 opts->inhibit_errors is on.
13047 (cpp_pedwarn_with_file_and_line): Take column argument also.
13049 * cpplib.h: Update prototypes of exported functions.
13050 (struct cpp_options): Add inhibit_errors.
13052 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
13053 non-error messages. Include intl.h.
13055 * cppinit.c, cppmain.c: Likewise. Also, use
13056 cpp_notice_from_errno instead of cpp_perror_with_name or
13057 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
13059 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
13060 report internal errors.
13062 * cpplib.c (do_define): Switch bcopy to memcpy.
13063 Give cpp_pedwarn_with_file_and_line a dummy column argument.
13065 * cpplib.c (copy_rest_of_line): Revert previous change: don't
13066 bail out early if we hit a line comment.
13068 2000-02-06 Richard Henderson <rth@cygnus.com>
13070 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
13071 * basic-block.h: Declare them.
13072 * emit-rtl.h (active_insn_p): New.
13073 (next_active_insn, prev_active_insn): Use it.
13074 * rtl.h: Declare it.
13075 * function.c (emit_return_into_block): New.
13076 (thread_prologue_and_epilogue_insns): Insert return insns instead
13077 of epilogues when possible.
13078 * jump.c (jump_optimize_1): Remove code to insert a return insn
13079 on the fallthru to the exit block.
13081 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
13082 and for non-empty stack frames.
13083 * i386.md (return): Expand to return-pop as needed.
13085 2000-02-06 Richard Henderson <rth@cygnus.com>
13087 * simplify-rtx.c (simplify_relational_operation): Canonicalize
13088 constant to op1 for testing.
13090 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13092 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
13093 (fixuns_truncqfqi2): Use it.
13095 2000-02-06 Richard Henderson <rth@cygnus.com>
13097 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
13098 as a TYPE_LEA insn.
13100 * i386.md (widening and peepholes): Mask the constant instead of
13103 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13105 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
13106 input pointer before possibly branching off to the backslash
13108 * cpphash.c (macroexpand): Correctly delete \r escapes when
13109 stringifying parameters.
13110 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
13111 if we can; bail out early if we hit a line comment.
13112 (handle_directive): Treat '# 123' in an .S file just like
13113 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
13114 Return 1 for '# not_a_directive'.
13115 (get_directive_token): Pop macro buffers here, so that
13116 cpp_get_token can't sneakily move past a newline.
13118 (cpp_get_token): goto randomchar if handle_directive returns 0.
13120 * cppalloc.c: Update copyright.
13121 * cpplib.c: Merge all the static function prototypes into one
13123 * cpplib.h: Remove #if 0 block.
13125 * cpperror.c: Remove #ifdef EMACS block.
13126 * cppmain.c: Likewise.
13127 * cpphash.c: Remove #if 0 blocks.
13128 * cppinit.c: Remove #if 0 blocks, and the -lint option.
13129 * cpplib.c: Remove #if 0 blocks and code referencing
13130 pcp_inside_if or for_lint. Remove duplicate error message.
13131 Fix error messages for #else after #else or #elif. Reformat.
13132 Remove archaic TODO list.
13133 * cpplib.h: Remove pcp_inside_if and for_lint flags.
13135 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13137 * i386/osf1elf.h: Add missing backslash to multiline string.
13139 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13141 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
13143 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13145 * Makefile.in (c-common.o): Depend on $(EXPR_H).
13147 * c-common.c: Include expr.h.
13149 * c-pragma.c (mark_align_stack): Add prototype.
13151 * caller-save.c (add_stored_regs): Likewise.
13153 * combine.c (record_promoted_value): Likewise.
13155 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
13158 * cppinit.c (new_pending_define): Likewise.
13160 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
13162 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
13163 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13164 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
13165 class_scope_p): Likewise.
13167 * dwarf2out.h (dwarf2out_set_demangle_name_func,
13168 dwarf2out_add_library_unit_info): Likewise.
13170 * ggc.h (ggc_page_print_statistics): Likewise.
13172 * haifa-sched.c (propagate_deps): Likewise.
13174 * reg-stack.c (next_flags_user, record_label_references): Likewise.
13176 * rtl.h (set_stack_check_libfunc): Likewise.
13178 * toplev.h (set_fatal_function): Likewise.
13180 * toplev.c (set_fatal_function): Delete prototype.
13182 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
13184 2000-02-05 Geoff Keating <geoffk@cygnus.com>
13186 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
13187 (FUNC_END): Likewise.
13189 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13191 * caller-save.c: Include tm_p.h.
13193 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13195 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
13197 2000-02-04 Neil Booth <NeilB@earthling.net>
13199 * cccp.c (main): Check 'dir' for a NULL pointer before passing
13202 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
13204 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
13205 * genflags.c: Use the max_operand_1 logic from genemit.c to
13206 calculate how many arguments gen_insn prototypes have. Remove
13207 NO_MD_PROTOTYPES ifdefs from the generated file.
13208 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
13209 file. Cast gen_insn initializers to insn_gen_fn.
13210 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
13211 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
13213 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13215 * fixinc/Makefile.in (HDR): Add machname.h.
13218 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13220 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
13221 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
13222 (c4x_cpu_version): Ditto.
13223 * config/c4x/c4x-protos.h: ... here.
13225 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
13227 * dwarf2out.c (add_abstract_origin_attribute): Don't call
13228 gen_abstract_function on our context if we're a nested function.
13230 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13232 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
13233 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
13235 2000-02-04 Bruce Korb <bkorb@gnu.org>
13237 * fixinc/genfixes(machname.h):
13238 Move the functionality from gen-machine.h into this file.
13239 UNdef MN_NAME_PAT if there are no names to change.
13240 Also, be a little kinder when AutoGen is not present.
13242 * fixinc/Makefile.in(machname.h):
13243 Change the generation rule to use genfixes.
13245 * fixinc/fixfixes.c(machine_name):
13246 machine_name_fix's functionality now dependent upon whether
13247 MN_NAME_PAT is defined.
13249 * fixinc/fixtests.c(machine_name):
13252 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
13255 * fixinc/fixlib.h(mn_get_regexps):
13258 * fixinc/gen-machine.h: DELETED
13260 2000-02-04 Jan Hubicka <jh@suse.cz>
13261 Richard Henderson <rth@cygnus.com>
13263 * i386.c (SAVE_REGS_FIRST): Remove.
13264 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
13265 (ix86_compute_frame_size): Likewise.
13266 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
13267 (ix86_emit_restore_regs): Remove.
13268 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
13269 when a frame pointer is in use.
13270 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
13271 instead of pop to restore a register when profitable; emit leave
13273 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
13274 as a TYPE_LEA insn.
13275 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
13276 * i386.md (prologue_allocate_stack): Remove.
13277 (epilogue_deallocate_stack): Remove.
13278 (pro_epilogue_adjust_stack): New.
13280 2000-02-04 Richard Henderson <rth@cygnus.com>
13282 * function.c (diddle_return_value): Rework to use a callback function.
13283 Use current_function_return_rtx if it's been set up.
13284 (do_clobber_return_reg, clobber_return_register): New.
13285 (do_use_return_reg, use_return_register): New.
13286 (expand_function_end): Use them.
13287 * stmt.c (expand_null_return): Likewise.
13288 * function.h: Declare them.
13289 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
13290 (mark_reg): Change arguments as appropriate for callback.
13291 * integrate.c (expand_inline_function): Revert 19 Jan change.
13293 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
13295 * tm.texi (Values in Registers): Fix typo: "fo" "for".
13296 (Misc): Say the scheduler, not the Haifa scheduler.
13298 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
13300 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
13301 when in_mem is set. Update all callers.
13303 2000-02-04 Richard Henderson <rth@cygnus.com>
13305 * i386/openbsd.h (INT_ASM_OP): Define.
13307 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
13309 * tm.texi: Fix various typos.
13311 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
13313 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
13314 (MD_STARTFILE_PREFIX_1): New macro.
13316 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
13318 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
13319 destination when needed.
13320 (strmovsi, strsetsi): New expander.
13321 (strmovsi_1, strsetsi_1): New pattern.
13322 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
13323 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
13324 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
13325 * invoke.texi (align-stringops, inline-all-stringops): Document.
13327 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
13329 * i386/netbsd.h (INT_ASM_OP): Define.
13331 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
13333 * cpplib.h (cpp_reader): Add new flag, no_directives.
13334 * cpphash.c (macarg): Set it.
13335 * cpplib.c (handle_directive): If no_directives is on and we
13336 find a directive, issue an error and discard the line.
13338 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
13340 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
13341 FP constants. Add ! TARGET_FPU check for FP constants.
13343 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
13345 * flow.c (find_basic_blocks): Don't kill label_value_list
13347 (cleanup_cfg): Kill it here.
13349 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13351 * expr.c (store_field): Ensure ALIGN is no stricter than the
13354 2000-02-02 Richard Henderson <rth@cygnus.com>
13356 * jump.c (delete_insn): Partially revert 19 Jan change;
13357 don't convert unused code labels to notes at -O0.
13359 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13361 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
13362 split_all_insns to recreate REG_LABEL notes for flow2 pass.
13364 2000-02-01 Richard Henderson <rth@cygnus.com>
13366 * i386.c (general_no_elim_operand): New.
13367 (nonmemory_no_elim_operand): New.
13368 (ix86_expand_move): Copy eliminable operands before a push.
13369 * i386-protos.h: Declare new functions.
13370 * i386.h (CAN_ELIMINATE): Simplify.
13371 (PREDICATE_CODES): Update.
13372 * i386.md (push insns): Don't allow eliminable register operands.
13374 2000-02-01 Richard Henderson <rth@cygnus.com>
13376 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
13377 replace BLKmode with DECL_RTL's mode.
13379 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
13381 * frame.c (find_fde): Convert for loop to do-while so compiler
13382 sees it's always executed at least once.
13383 * libgcc2.c (BBINBUFSIZE): Kill.
13384 (__bb_init_prg): Use fgets.
13385 (__bb_exit_trace_func): Don't paste strings.
13386 * unroll.c (unroll_loop): Initialize unroll_type, not
13387 unroll_number, and tweak logic to match.
13389 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
13391 (ix86_flags_dependant): Likewise. Disentangle control flow.
13392 (ix86_sched_reorder): Break guts out to
13393 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
13394 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
13397 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
13398 use string concatenation. Don't save and restore esi.
13400 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
13401 (machname.h): Remove script to separate file. Use two-step
13402 sequence so target is not created if script fails.
13403 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
13404 identifiers are defined.
13405 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
13406 an empty string, machine_name doesn't need to do anything at
13408 (is_cxx_header): Add more cases to regexp.
13409 * fixinc/fixlib.h: Update prototype.
13410 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
13412 * fixinc/fixincl.c: Define NO_BOGOSITY.
13414 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
13415 (hp_sysfile): Add missing comma.
13416 (math_exception): Put the wrapper ifdefs at the beginning and
13417 the end of the file.
13418 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
13420 2000-02-01 Richard Henderson <rth@cygnus.com>
13422 * sparc.c (fp_zero_operand): Turn into a normal predicate.
13423 Use CONST0_RTX. Update all callers.
13424 * sparc.h, sparc-protos.h: Update accordingly.
13425 * sparc.md (fp mov insns): Use fp_zero_operand directly
13428 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13430 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
13433 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13435 * Makefile.in (specs.ready): New target.
13436 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
13438 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13440 * fixinc.irix: Use unique filenames for writing into /tmp,
13441 * fixinc.ptx: Likewise.
13442 * fixinc.sco: Likewise.
13443 * fixinc.svr4: Likewise.
13444 * fixinc.winnt: Likewise.
13446 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13448 * tsystem.h: New file.
13450 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
13451 s-crtS): Depend on tsystem.h.
13453 * crtstuff.c: Include tsystem.h.
13454 * frame.c: Likewise.
13455 * libgcc2.c: Likewise.
13457 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
13459 * builtins.c (expand_builtin_memset): Expand for variable sized
13462 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
13464 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
13467 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13469 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
13471 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
13473 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
13475 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
13476 case 3->2 combining (combining with splitting) in which 2 is CC0
13477 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
13478 checked at the begining of the function with the aid of calling
13479 function 'can_combine_p'.
13481 2000-01-31 Dave Brolley <brolley@redhat.com>
13483 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
13485 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
13487 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
13490 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13492 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
13494 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
13497 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13499 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
13500 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
13501 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
13502 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
13503 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
13504 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
13505 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
13506 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
13507 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
13508 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
13510 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
13511 Add %(cpp_cpu) to CPP_SPEC.
13513 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
13514 Add %(cc1_cpu) to CC1_SPEC.
13516 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13518 * c-decl.c (c_decode_option): Accept optional numeric argument to
13519 -Wformat and set warn_format.
13520 * c-common.c: Don't emit warning about non-constant printf format
13521 string unless warn_format > 1.
13523 2000-01-30 Richard Henderson <rth@cygnus.com>
13525 * alpha.md (return_internal): Allow after reload only.
13527 2000-01-30 Richard Henderson <rth@cygnus.com>
13529 * i386.c (ix86_compute_frame_size): Omit padding1 if the
13530 local frame size is zero.
13532 2000-01-30 Richard Henderson <rth@cygnus.com>
13534 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
13535 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
13536 * alpha.md (return): Turn into an expander.
13537 (return_internal): Don't use $26.
13538 (epilogue): Emit the return insn.
13540 2000-01-30 Richard Henderson <rth@cygnus.com>
13542 * alpha.md (negtf2, abstf2): Fix word order thinko.
13543 (extendsftf2): New.
13544 (trunctfsf2): Avoid intermediate rounding errors.
13546 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13548 * cppfiles.c (find_position): Drop 'colp' argument, return the
13550 (read_and_prescan): Adjust to match. Don't ever manipulate
13551 line or line_base except via find_position.
13553 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13555 * c-parse.in: Apply Ulrich's changes from c-parse.y.
13556 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
13559 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13561 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
13562 just print "<command line>". If 'filename' is null or an
13563 empty string, print "<stdin>" for the filename.
13564 * cpplib.c (do_define): Don't print the 'location of the
13565 previous definition' message if we're still parsing the
13567 (cpp_pedwarn_with_file_and_line): Always call
13568 cpp_file_line_for_message.
13570 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13572 * flow.c (mark_regs_live_at_end): Fix typo.
13574 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13576 * c-common.c: Adjust variable names, comments, help strings to c99.
13577 * c-lex.c: Likewise.
13578 * c-parse.y: Likewise.
13579 * c-tree.h: Likewise.
13580 * cccp.c: Likewise.
13581 * cpplib.h: Likewise.
13582 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13583 * cppinit.c: Likewise.
13585 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13587 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13588 * c4x.c: Define the optab rtx values.
13589 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13590 (c4x_emit_libcall): Use new optab rtx values.
13591 (c4x_emit_libcall3): Likewise.
13592 (c4x_emit_libcall_mulhi): Likewise.
13593 * c4x-protos.h: Add prototypes for optab rtx values and change
13594 prototypes for above c4x_emit_libcall functions.
13596 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13598 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13600 (c4x_function_prologue): Use regnames intead of float_reg_names when
13602 (c4x_function_epilogue): Likewise.
13603 (c4x_print_operand): Likewise.
13604 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13605 * c4x.md (set_high): Disable for TARGET_TI.
13607 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13609 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
13610 of framepointer + constant to ADDR_REGS class.
13611 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
13612 * c4x.c (std_or_reg_operand): New function.
13613 * c4x-protos.h (std_or_reg_operand): Prototype it.
13615 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13617 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
13618 object names as libgcc2.c.
13619 * libgcc.S: Use newly defined names.
13621 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
13622 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
13624 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
13625 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
13626 (FLOW_LOOP_LAST_BLOCK): Likewise.
13628 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13630 * basic-block.h (struct loop): New fields 'first' and 'last'.
13631 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13632 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13633 and loop->last to check for NOTE_INSN_LOOP_END.
13635 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13637 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13638 of the loop descriptor rather than HEADER and LATCH. Also added
13639 missing break statements as well making some coding style modifications
13640 as suggested by Michael Hayes.
13642 2000-01-28 Richard Henderson <rth@cygnus.com>
13644 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13645 Break out that code ...
13646 (cleanup_cfg): ... here.
13647 (commit_one_edge_insertion): Detect a return instruction being
13648 emitted to an edge. Emit a barrier following; clear fallthru.
13649 (commit_edge_insertions): Verify CFG consistency.
13650 * function.c (expand_function_start): Kill unused variable.
13651 (expand_function_end): Likewise.
13652 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13653 to insert the epilogue.
13655 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13656 (delete_null_pointer_checks): Likewise.
13657 * output.h: Likewise.
13658 * reg-stack.c (reg_to_stack): Likewise.
13659 * toplev.c (rest_of_compilation): Likewise. Run
13660 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13662 2000-01-28 Richard Henderson <rth@cygnus.com>
13664 * Makefile.in (flow.o): Revert 24 Jan change.
13665 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13666 FUNCTION_VALUE result to DECL_RESULT's mode.
13668 * haifa-sched.c (schedule_insns): Don't recompute reg info
13671 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13673 * configure.in: Make --enable-cpplib the default.
13674 * configure: Regenerate.
13675 * gcc.dg/990119-1.c: No longer expected to fail.
13677 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13679 * jump.c (jump_optimize_1): Delete an optimization that is also done
13680 by merge_blocks in flow.
13682 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13684 * diagnostic.c (build_message_string, output_printf,
13685 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13686 (build_location_prefix): Fix non-literal format string.
13688 2000-01-27 Richard Henderson <rth@cygnus.com>
13690 * alpha.md (trunctfsf2): New.
13692 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13694 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13696 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13698 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13700 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13702 (skip_comment) ... here. Permit C++ comments in system
13703 headers always. Warn about C++ comments in user code under
13704 -std=gnu89 -pedantic.
13705 (copy_comment): Use skip_comment.
13706 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13708 (consider_directive_while_skipping, do_else, do_endif): Call
13709 validate_else unconditionally.
13710 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13711 text after the conditional in a system header.
13712 * cpplib.h (struct cpp_buffer): Add flag
13713 warned_cplusplus_comments.
13715 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13717 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13718 Use unshare_all_rtl_1.
13719 (unshare_all_rtl_again): New function.
13720 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13722 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13723 rather than resetting the 'used' flags ourself.
13725 * toplev.c (rest_of_compilation): Add current_function_decl
13726 to the unshare_all_rtl call.
13727 * tree.h: Prototype unshare_all_rtl.
13728 * rtl.h: Prototype unshare_all_rtl_again here.
13730 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13732 * genoutput.c (output_prologue): Include ggc.h in generated
13734 * Makefile.in (insn-output.o): Depends on ggc.h.
13736 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13737 Hans-Peter Nilsson <hp@bitrange.com>
13739 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13740 Remove redundant include of xm-ns32k.h.
13741 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13742 Remove redundant include of xm-ns32k.h.
13743 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13744 Remove redundant include of xm-ns32k.h.
13745 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13747 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13748 (TARGET_SWITCHES): Add documentation strings.
13749 (DWARF_FRAME_REGNUM): Override default definition.
13750 (REG_CLASS_CONTENTS): Add comments.
13751 (SUBSET_P): Format to reduce line length.
13752 (SMALL_REGISTER_CLASSES): Make a run time option.
13753 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13754 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13755 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13756 (regclass_map): fix typo in comment.
13757 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13758 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13759 (trace, reg_or_mem_operand): Delete, unused function.
13760 (calc_address_cost): Small offsets are cheaper than large ones.
13761 (expand_block_move): Generate more efficient code when bytes is a
13762 known at compile time.
13763 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13764 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13765 instead of reg_or_mem_operand.
13767 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13768 not general_operand. Similarly use "=rm" or stricter, not "=g".
13769 For input operands, use stricter constraints than "g" if not
13770 general_operand. Similarly use stricter predicate than
13771 "general_operand" when stricter constraints than "g" are present,
13772 except for matching constraints.
13773 (movstrsi): Use "memory_operand" for operands 0 and 1.
13774 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13775 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13776 not reg_or_mem_operand.
13777 (udivmoddisi4): Ditto.
13778 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13779 Use nonimmediate_operand for operand 3, not register_operand.
13780 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13781 reg_or_mem_operand.
13783 2000-01-27 Fred Fish <fnf@be.com>
13785 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13786 * gthr-single.h: Likewise.
13787 * gthr-solaris.h: Likewise.
13788 * gthr-vxworks.h: Likewise.
13789 * gthr-win32.h: Likewise.
13790 * gthr.h: Likewise.
13792 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13794 * cppinit.c: Add " (cpplib)" to end of string printed by
13797 2000-01-27 Richard Henderson <rth@cygnus.com>
13799 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13800 testing for a signed comparison.
13801 (alpha_emit_floatuns): New.
13802 * alpha-protos.h: Declare it.
13803 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13804 (extendsfdf2): Tidy.
13806 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13808 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13809 no -g option specifying debugging format, default to -gstabs+.
13811 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13813 * calls.c (special_function_p): New argument fork_or_exec.
13814 (expand_call): When profile_arc_flag is set and the function
13815 is in the fork_or_exec group, call __bb_fork_func first.
13816 * libgcc2.c, _bb module (__bb_fork_func): New function.
13817 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13819 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13820 * tree.h (special_function_p): Update prototype.
13822 2000-01-26 Richard Henderson <rth@cygnus.com>
13824 * alpha.c (alpha_split_tfmode_pair): New.
13825 * alpha-protos.h: Declare it.
13826 * alpha.md (abstf2, negtf2): New.
13827 (movtf insn): Add input G constraint.
13828 (movtf splitter): Use alpha_split_tfmode_pair.
13830 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13832 * i386/cygwin.h: PROTO -> PARAMS.
13834 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13836 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13837 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13838 using _Qp_cmp/_Q_cmp and testing the return value.
13839 (print_operand): Call reverse_condition_maybe_unordered if
13840 we are handling CCFPmode or CCFPEmode.
13841 Handle ORDERED, UN* and LTGT comparisons.
13842 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13843 if not TARGET_HARD_QUAD.
13844 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13845 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13846 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13847 Adjust gen_b* calls so that they reflect return comparison of
13848 sparc_emit_float_lib_cmp.
13850 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13852 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13853 incoming operands array is large enough for one more operand.
13854 (alpha_emit_xfloating_arith): Likewise.
13856 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13858 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13859 file with one line and no trailing newline.
13860 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13861 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13862 checking if the match is on the line.
13863 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13865 2000-01-25 Richard Henderson <rth@cygnus.com>
13867 * sparc.c (output_cbranch): Fix accidental squashing of the
13868 fp branch pre-delay nop.
13870 2000-01-25 Richard Henderson <rth@cygnus.com>
13872 * tree.def (UNNE_EXPR): Remove.
13873 * c-typeck.c (build_binary_op): Don't handle it.
13874 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13876 * rtl.def (UNNE): Remove.
13878 * jump.c (reverse_condition): Update accordingly.
13879 (swap_condition): Likewise.
13880 (comparison_dominates_p): Handle unordered comparisons.
13881 (reverse_condition_maybe_unordered): New.
13882 * rtl.h (reverse_condition_maybe_unordered): Declare.
13884 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13885 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13886 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13887 * sparc.md (bltgt): New.
13889 2000-01-25 Nick Clifton <nickc@redhat.com>
13891 * emit-rtl.c (emit_insn): Only check machine class insns for
13892 improper emission of a RETURN.
13894 2000-01-25 Richard Henderson <rth@cygnus.com>
13896 * Makefile.in (flow.o): Depend on $(EXPR_H).
13897 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13898 duplicate the structure of diddle_return_value for keeping regs live.
13900 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13902 * loop.c (current_loop_info): Delete.
13903 (consec_sets_invariant_p): Add loop argument, update callers.
13904 (get_condition_for_loop): Likewise.
13905 (count_nonfixed_reads, update_giv_derive): Likewise.
13906 (simplify_giv_expr, general_induction_var): Likewise.
13907 (consec_sets_giv, recombine_givs): Likewise.
13908 (move_movables): Delete loop_start and loop_end arguments,
13909 add loop argument, and update callers.
13910 (find_mem_givs, check_final_value): Likewise.
13911 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13912 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13914 (basic_induction_var): Add loop argument, delete loop_level argument,
13915 and update callers.
13916 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13917 add loop argument, and update callers.
13918 (find_splittable_regs, find_splittable_givs): Likewise.
13919 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13920 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13921 (biv_total_increment): Delete loop_start and loop_end arguments;
13923 (precondition_loop_p): Delete loop_start and loop_info arguments;
13925 * loop.h (get_condition_for_loop): Add loop argument.
13926 (biv_total_increment): Delete loop_start and loop_end arguments.
13927 (precondition_loop_p): Delete loop_start and loop_info arguments;
13929 (final_biv_value): Delete loop_start and loop_end arguments;
13931 (final_giv_value, back_branch_in_range_p): Likewise.
13933 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13935 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13937 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13939 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13940 point to the new "generated_files" doc.
13942 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13944 * config/fp-bit.c (_unord_f2): Fix typo.
13946 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13948 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13949 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13950 functions obsoleted by GC, such as push_obstacks_nochange,
13951 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13952 and code which existed only to decide whether or not to call
13953 them. Remove now-unused NESTED argument from start_function;
13954 all callers changed. Do not change behavior based on ggc_p.
13955 The use of the ixp_obstack in c-iterate.c and the util_obstack
13956 in objc/objc-act.c remain; these are not obsoleted by garbage
13958 * c-tree.h: Update prototype for start_function.
13960 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13962 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13964 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13967 2000-01-25 Richard Henderson <rth@cygnus.com>
13969 * sparc-protos.h (select_cc_mode): Declare.
13970 * sparc.c (select_cc_mode): New. Handle unordered compares.
13971 (output_cbranch): Always reverse via code change. Handle
13972 unordered compares. Factor tests and string updates.
13973 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13974 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13975 * sparc.md (bunordered, bordered): New.
13976 (bungt, bunlt, buneq, bunge, bunle): New.
13978 2000-01-25 Richard Henderson <rth@cygnus.com>
13980 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13981 * ggc-common.c (ggc_add_rtx_varray_root): New.
13982 (ggc_mark_rtx_varray): New.
13983 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13984 functions down below ggc_mark_foo.
13985 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13987 2000-01-25 Richard Henderson <rth@cygnus.com>
13989 * alpha.c (secondary_reload_class): Don't allocate a secondary
13990 for integral mode memories into FLOAT_REGS. Rearrange the more
13991 complicated memory expression inward.
13993 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13995 * inclhack.def: Fixes to play nicer with FreeBSD, and
13996 corrections to comments.
13997 (cxx_unready): Add select expression.
13998 (irix_sockaddr): Add bypass expression.
13999 (machine_ansi_h_va_list): New fix.
14000 (stdio_va_list): No need to edit _BSD_VA_LIST_.
14001 Split out addition of "#include <stdarg.h>" to...
14002 (stdio_stdarg_h): ... here.
14003 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
14004 to stdlib.h also. Do not munge _BSD_SIZE_T_.
14005 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
14007 (ultrix_ifdef): Tighten up select expression.
14009 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
14010 re_ct and max_mach to avoid use of shell. Make printed names
14011 match names in inclhack.def. Use static copyright date.
14012 Don't count c_test and test expressions as requiring regex_t
14013 slots. Add some commentary.
14014 * inclhack.tpl: Do not include the 'This script contains N
14015 fixup scripts' line if PROGRAM is defined. Use static
14018 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
14020 * dwarf2out.c: include "varray.h", not dyn-string.h.
14021 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
14022 (addr_const_to_string, addr_to_string): Lose.
14023 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
14024 (struct dw_val_struct): val_addr is now an rtx.
14025 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
14026 (used_rtx_varray): New varray.
14027 (dwarf2out_init): Initialize it.
14028 (save_rtx): New fn.
14029 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
14031 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
14032 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
14033 * Makefile.in (dwarf2out.o): Update dependencies.
14035 2000-01-24 Richard Henderson <rth@cygnus.com>
14037 * i386.c (i386_dwarf_output_addr_const): New.
14038 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
14040 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
14042 * dwarfout.c (output_mem_loc_descriptor): Likewise.
14043 * i386.c (i386_simplify_dwarf_addr): New.
14044 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
14046 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
14048 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
14049 TYPE_STUB_DECL is NULL.
14051 2000-01-24 Richard Henderson <rth@cygnus.com>
14053 * builtins.c (expand_tree_builtin): Move ...
14054 * c-common.c (expand_tree_builtin): ... here.
14056 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14058 * loop.h (LOOP_INFO): New accessor macro.
14059 * basic-block.h (struct loop): Rename field `info' to `aux'.
14060 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
14061 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
14062 * unroll.c (loop_iterations, unroll_loop): Likewise.
14064 2000-01-24 Christopher Faylor <cgf@cygnus.com>
14066 * config/i386/t-cygwin: Accomodate new winsup directory layout
14067 when searching for include files.
14069 2000-01-24 Richard Henderson <rth@cygnus.com>
14071 * rtl.def: Add unordered fp comparisions.
14072 * tree.def: Likewise.
14073 * tree.h: Add ISO C 9x unordered fp comparision builtins.
14075 * builtins.c (expand_tree_builtin): New function.
14076 * c-typeck.c (build_function_call): Use it.
14077 (build_binary_op): Support unordered compares.
14078 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
14080 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
14081 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
14082 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
14083 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
14084 * jump.c (reverse_condition): Don't abort for UNLE etc, but
14086 (swap_condition): Handle unordered compares.
14087 (thread_jumps): Check can_reverse before reversing.
14088 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
14091 * optabs.c (can_compare_p): New argument CODE. Verify branch or
14092 setcc is present before acking for cmp_optab. Update all callers.
14093 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
14094 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
14095 * expr.c (expand_expr): Likewise. Support unordered compares.
14096 (do_jump, do_store_flag): Likewise.
14097 * expr.h (enum libfunc_index): Add unordered compares.
14099 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
14100 (DPBIT_FUNCS): Add _unord_df.
14101 * config/fp-bit.c (_unord_f2): New.
14102 * fp-test.c (main): Try unordered compare builtins.
14104 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
14105 * alpha.c (alpha_comparison_operator): Check mode properly.
14106 (alpha_swapped_comparison_operator): Likewise.
14107 (signed_comparison_operator): Likewise.
14108 (alpha_fp_comparison_operator): New.
14109 (alpha_emit_conditional_branch): Handle unordered compares.
14110 * alpha.h (PREDICATE_CODES): Update.
14111 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
14112 (bunordered, bordered): New.
14114 2000-01-24 Richard Henderson <rth@cygnus.com>
14116 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
14117 * alpha.md (movtf): New expander, insn, and splitter.
14119 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
14121 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14124 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
14126 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
14127 (FIXED_REGISTERS, CALL_USED_REGISTERS,
14128 REG_ALLOC_ORDER): Add frame pointer
14129 (FRAME_POINTER_REGNUM): Set to 20
14130 (HARD_FRAME_POINTER_REGNUM): New macro.
14131 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
14132 to HARD_FRAME_POINTER.
14133 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
14134 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
14135 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
14136 (HI_REGISTER_NAMES): Add "frame".
14137 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
14138 (debug_reg): Handle FRAME_POINTER_REGNUM.
14139 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
14140 GENERAL_REGS and INDEX_REGS.
14141 * i386.c (SAVED_REGS_FIRST): new macro.
14142 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
14143 (ix86_decompose_address, memory_address_length): Likewise.
14144 (regclass_map): Add frame pointer.
14145 (call_insn_operand): Handle frame_pointer_rtx.
14146 (reg_no_sp_operand): Likewise.
14147 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
14148 (print_operand, legitimize_pic_address): Fix formating.
14149 (ix86_compute_frame_size): Make static, update prototype, new
14150 parameters padding1, padding2, use ix86_nsaved_regs, use
14151 stack_alignment_needed.
14152 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
14153 to HARD_FRAME_POINTER_REGNUM conversions.
14154 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
14155 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
14156 (print_reg): Abort on FRAME_POINTER_REGNUM
14158 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
14160 * i386.h (PREDICATE_CODES): Add aligned_operand.
14161 * i386.c (aligned_operand): New function.
14162 (ix86_aligned_p): Kill.
14163 * i386.md (movhi_1): Emit mov for aligned operands.
14164 (promoting peep2s): Use aligned_operand.
14166 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
14168 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
14169 expression to allow underscores in macro names.
14170 (fix_char_macro_defines): Increment scanning pointer.
14172 2000-01-23 Richard Henderson <rth@cygnus.com>
14174 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
14175 * alpha/osf5.h: New file.
14176 * configure.in (alpha-*-osf5): Add it to tm_file.
14178 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
14180 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
14181 (alpha_emit_xfloating_cvt, function_arg): Declare.
14182 * alpha.c (alpha_emit_conditional_branch): Call
14183 alpha_emit_xfloating_compare for TFmode compares.
14184 (alpha_lookup_xfloating_lib_func): New.
14185 (alpha_compute_xfloating_mode_arg): New.
14186 (alpha_emit_xfloating_libcall): New.
14187 (alpha_emit_xfloating_arith): New.
14188 (alpha_emit_xfloating_compare): New.
14189 (alpha_emit_xfloating_cvt): New.
14190 (print_operand): Add default abort case.
14191 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
14192 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
14193 (BIGGEST_ALIGNMENT): Increase to 128 bits.
14194 (RETURN_IN_MEMORY): True for TF/TCmode.
14195 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
14196 (FUNCTION_ARG): Move to function_arg.
14197 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
14198 (ASM_OUTPUT_LONG_DOUBLE): New.
14199 (ASM_OUTPUT_DOUBLE): Always output bits.
14200 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
14201 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
14202 (extenddftf2, trunctfdf2): New.
14204 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14206 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
14207 * config/sparc/sol2.h: ... here.
14209 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14211 * basic-block.h (struct loops): New field `levels'.
14212 * flow.c (flow_loops_level_compute): Traverse all outer loops.
14213 (flow_loop_level_compute): Initialise level to 1.
14214 (flow_loops_find): Set loops->levels.
14215 (flow_loops_dump): Print loops->levels.
14217 2000-01-23 Richard Henderson <rth@cygnus.com>
14219 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
14220 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
14222 2000-01-23 Richard Henderson <rth@cygnus.com>
14224 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
14225 * i386.h (DBX_REGISTER_NUMBER): Use them.
14226 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
14227 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
14228 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
14229 * i386/sequent.h: Kill incorrect comment.
14231 2000-01-23 Mark Mitchell <mark@codesourcery.com>
14233 * ggc-page.c (struct page_entry): Make `context_depth' an
14235 (struct globals): Likewise.
14237 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
14239 * loop.c (check_dbra_loop): When checking a loop for
14240 reversability, check the source of any stores to ensure
14241 they don't depend on an initial value.
14243 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14245 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
14247 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
14249 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
14250 'pz_scan' into scope of entire function. Only affects
14251 compiles with -DDEBUG.
14253 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
14255 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
14256 section naming to that prior to 2000-01-07 patch.
14257 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
14258 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
14259 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
14260 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
14261 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
14263 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
14265 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
14268 2000-01-21 Jim Wilson <wilson@cygnus.com>
14270 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
14271 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
14273 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
14275 * cpphash.c (change_newlines): Delete function.
14276 (struct argdata): Delete 'newlines' and 'use_count' fields.
14277 (macroexpand): Remove code referencing those fields.
14279 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14281 * loop.c (loops_info): New variable.
14282 (loop_optimize): Allocate loops->array and free it on exit.
14283 Allocate memory for loops_info and assign to each loop,
14285 (find_and_verify_loops): Do not allocate loops->array.
14287 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
14289 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
14291 2000-01-21 Jakub Jelinek <jakub@redhat.com>
14293 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
14294 pseudos if expanded after first flow.
14295 (movdi_pic_label_ref): Likewise.
14297 2000-01-20 Richard Henderson <rth@cygnus.com>
14299 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
14301 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
14303 * Makefile.in (fixinc.sh): Depend on specs.
14304 * fixinc/Makefile.in: Add rule to create machname.h.
14305 (fixlib.o): Depend on machname.h.
14306 * fixinc/fixtests.c (machine_name): New test.
14307 * fixinc/fixfixes.c (machine_name): New fix.
14308 * fixinc/fixlib.c (mn_get_regexps): New helper function for
14309 the machine_name test and fix.
14310 * fixinc/fixlib.h: Prototype it.
14311 * fixinc/inclhack.def (machine_name): Use the C test and fix.
14312 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
14314 * gcc.c (do_spec_1) [case P]: Take care not to create
14315 identifiers with three leading or trailing underscores.
14317 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
14318 (fixincl): Don't specify libraries twice on link line.
14319 (gnu-regex.o): Remove special rule.
14320 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
14321 defined by config.h. Do not define _REGEX_RE_COMP.
14322 (regcomp): Allocate and initialize a fastmap.
14323 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
14325 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
14327 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
14329 2000-01-19 Richard Henderson <rth@cygnus.com>
14331 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
14332 arguments with BB. Update all callers. Tidy line wrapping.
14334 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
14336 * emit-rtl.c (try_split): Return last_insn if we split the
14339 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
14341 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
14342 (ix86_initial_elimination_offset): Declare.
14343 * i386.c (ix86_nsaved_regs): Break out from ...
14344 (ix86_can_use_return_insn_p): ... here.
14345 (ix86_emit_save_regs): Break out from ...
14346 (ix86_expand_prologue): ... here.
14347 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
14349 (ix86_expand_epilogue): ... here.
14350 (ix86_compute_frame_size): Make static, add prototype.
14351 (ix86_initial_elimination_offset): Break out from ...
14352 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
14354 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14356 * recog.h (OUT_FCN): Delete.
14358 * vax.md: Call `get_insn_template' instead of OUT_FCN.
14360 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14362 * cppalloc.c: PROTO -> PARAMS.
14363 * cpperror.c: Likewise.
14364 * cppfiles.c: Likewise.
14365 * cpplib.c: Likewise.
14366 * cpplib.h: Likewise.
14368 * config/arm/arm-protos.h: PROTO -> PARAMS.
14369 * config/arm/arm.c: Likewise.
14370 * config/c4x/c4x.c: Likewise.
14371 * config/fr30/fr30-protos.h: Likewise.
14372 * config/nextstep.c: Likewise.
14373 * config/pa/pa.c: Likewise.
14374 * config/pj/pj.c: Likewise.
14375 * config/rs6000/rs6000.c: Likewise.
14376 * config/v850/v850-protos.h: Likewise.
14377 * config/v850/v850.c: Likewise.
14379 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14381 * i370-protos.h: New file.
14383 * i370.c: Include tm_p.h. Fix compile time warnings.
14385 * i370.h: Move prototypes to i370-protos.h. Fix compile time
14388 * i370.md: Likewise.
14390 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14392 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
14393 (target_isinf, target_isnan, eisnan): Mark parameter with
14395 (eiisinf): Wrap in INFINITY.
14396 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
14397 (ibmtoe): Remove unused variable `rndsav'.
14399 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14401 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
14402 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
14404 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
14406 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
14407 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
14408 (fix_char_macro_defines, fix_char_macro_uses): New functions.
14410 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
14411 Recognize Emacs mode markers also.
14412 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
14413 C++ comments in C++ headers. Call is_cxx_header only if
14416 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
14417 bypass for ncurses.
14418 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
14419 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
14420 ... these, which use the new C fixes.
14421 (math_exception): Escape literal '+' in bypass expression.
14423 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
14426 2000-01-19 Geoff Keating <geoffk@cygnus.com>
14428 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
14431 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14433 * loop.c (loop_optimize): Allocate loop_info structure for each loop
14434 prior to calling scan_loop.
14436 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14438 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
14439 (split_branches, calc_live_regs): Likewise.
14441 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14443 * sh.md (fpu_single, fp_mode): New attributes.
14445 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14447 * loop.c (current_loop_info): Renamed from loop_info_data
14448 and changed to a pointer.
14449 (loop_optimize): Allocate loop_info structure for each loop
14450 and initialise to zero.
14451 (scan_loop): Set current_loop_info.
14453 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
14456 2000-01-19 Richard Henderson <rth@cygnus.com>
14458 * stupid.c: Die die die.
14459 * Makefile.in (OBJS): Remove stupid.o.
14460 (stupid.o): Likewise.
14462 * except.c (emit_eh_context): Don't emit USEs for stupid.
14463 * explow.c (probe_stack_range): Likewise.
14464 * flags.h (obey_regdecls): Remove.
14465 * flow.c (find_basic_blocks): Don't run try_merge_blocks
14466 when not optimizing.
14467 (life_analysis): Limit data collection when not optimizing.
14468 (mark_regs_live_at_end): Always mark the return value registers.
14469 (mark_used_regs): Remove dummy RETURN case.
14470 (print_rtl_with_bb): Don't consult obey_regdecls.
14471 * function.c (use_variable, use_variable_after): Remove.
14472 (assign_parms): Consult optimize not obey_regdecls.
14473 (expand_function_start): Don't emit USEs for stupid.
14474 (expand_function_end): Likewise.
14475 * global.c (build_insn_chain): Export.
14476 * integrate.c (expand_inline_function): Kill return-value USE
14478 * jump.c (jump_optimize_1): Do simple jump optimizations and
14479 dead code elimination.
14480 (calculate_can_reach_end): Remove check_deleted argument.
14481 (delete_insn): Patch out insns even when not optimizing.
14482 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
14483 * rtl.h (use_variable, use_variable_after): Remove declarations.
14484 (build_insn_chain): Declare.
14485 * stmt.c (expand_value_return): Don't emit USEs for stupid.
14486 (expand_end_bindings): Likewise.
14487 (expand_decl): Likewise. Consult optimize not obey_regdecls.
14488 * toplev.c (obey_regdecls): Remove.
14489 (rest_of_compilation): Don't set it. Kill stupid in favour of
14490 flow1, local-alloc, and reload.
14491 (main): Don't set obey_regdecls.
14493 * config/nextstep.c (handle_pragma): Likewise.
14495 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
14497 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
14499 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14501 * alpha-protos.h: PROTO -> PARAMS.
14502 * alpha.c: Likewise.
14504 * h8300.c: Likewise.
14505 * i386-protos.h: Likewise.
14506 * i386.c: Likewise.
14507 * m32r-protos.h: Likewise.
14508 * m32r.c: Likewise.
14509 * mips.c: Likewise.
14510 * mips.md: Likewise.
14511 * gmon-sol2.c: Likewise.
14512 * sparc.c: Likewise.
14514 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14516 * ns32k-protos.h: New file.
14518 * ns32k.c: Fix compile time warnings.
14520 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
14523 * ns32k.md: Likewise.
14525 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14527 * vax-protos.h: New file.
14529 * vax.c: Fix compile time warnings.
14531 * vax.h: Move prototypes to vax-protos.h. Fix compile time
14534 * vax.md: Likewise.
14536 * vaxv.md: Likewise.
14538 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14540 * romp-protos.h: New file.
14542 * romp.c: Fix compile time warnings.
14544 * romp.h: Move prototypes to romp-protos.h. Fix compile time
14547 * romp.md: Likewise.
14549 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14551 * we32k-protos.h: New file.
14553 * we32k.c: Fix compile time warnings.
14555 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
14558 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14560 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
14562 * except.c (eh_regs): Likewise.
14564 * final.c (output_operand): Likewise.
14566 * fold-const.c (target_isinf, target_isnan): Likewise.
14568 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14570 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14571 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14573 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14574 when optimize_size.
14575 (clrstrsi): Rewrite.
14576 (strsethi, strsetqi): New expanders.
14577 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14578 (cmpstrsi): Emit compare insn before cmpstrsi_1
14579 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14580 (strlensi_1): Likewise.
14581 (cmpstrsi_1): Likewise; do not output compare.
14582 (strlen expander): Do not unroll when optimizing for size.
14583 (*subsi3_carry): Rename to subsi3_carry
14584 (addqi3_cc): New pattern.
14585 * i386.h (processor_costs): Add move_ratio field.
14586 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14587 * i386.c (*_cost): Set move_ratio.
14588 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14589 (x86_expand_strlensi_1): Rewrite the main loop.
14591 2000-01-17 Richard Henderson <rth@cygnus.com>
14593 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14594 * cse.c (find_comparison_args, fold_rtx): Likewise.
14595 * integrate.c (subst_constants): Likewise.
14596 * loop.c (get_condition): Likewise.
14598 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14600 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14602 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14604 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14605 (RESTORE_WARN_FLAGS): Unpack it.
14606 Change semantic type of extension to ttype.
14607 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
14608 * c-parse.y, c-parse.c, objc/objc-parse.y,
14609 objc/objc-parse.c: Regenerate.
14611 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
14613 * fixinc/fixlib.c: Add copyright notice.
14614 (compile_re): New function.
14615 * fixinc/fixlib.h: Prototype compile_re.
14617 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
14618 Use compile_re to compile regular expressions.
14620 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
14621 where the pattern matched.
14623 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
14625 (ultrix_ansi_compat): Likewise.
14626 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
14628 (interactv_add2, interactv_add3): Delete.
14629 (x11_sprintf): Don't use filename glob.
14630 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14633 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14635 * print-rtl.c: PROTO -> PARAMS.
14636 * real.c: Likewise.
14637 * reg-stack.c: Likewise.
14638 * resource.c: Likewise.
14639 * sdbout.h: Likewise.
14640 * simplify-rtx.c: Likewise.
14641 * stor-layout.c: Likewise.
14642 * stupid.c: Likewise.
14643 * xcoffout.c: Likewise.
14644 * xcoffout.h: Likewise.
14646 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14648 * toplev.c: PROTO -> PARAMS.
14649 * toplev.h: Likewise.
14650 * tree.c: Likewise.
14651 * tree.h: Likewise.
14652 * unroll.c: Likewise.
14653 * varasm.c: Likewise.
14654 * varray.c: Likewise.
14655 * varray.h: Likewise.
14657 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14659 * reload.c: PROTO -> PARAMS.
14660 * reload.h: Likewise.
14661 * reload1.c: Likewise.
14662 * reorg.c: Likewise.
14663 * resource.h: Likewise.
14666 * rtlanal.c: Likewise.
14667 * sbitmap.h: Likewise.
14668 * sdbout.c: Likewise.
14669 * stack.h: Likewise.
14670 * stmt.c: Likewise.
14671 * system.h: Likewise.
14673 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14675 * machmode.h: PROTO -> PARAMS.
14676 * mbchar.h: Likewise.
14677 * mips-tdump.c: Likewise.
14678 * mips-tfile.c: Likewise.
14679 * optabs.c: Likewise.
14680 * output.h: Likewise.
14681 * prefix.c: Likewise.
14682 * profile.c: Likewise.
14683 * protoize.c: Likewise.
14684 * real.h: Likewise.
14685 * recog.c: Likewise.
14686 * recog.h: Likewise.
14687 * regclass.c: Likewise.
14688 * regmove.c: Likewise.
14689 * regs.h: Likewise.
14691 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14693 * ggc-common.c: PROTO -> PARAMS.
14694 * ggc-page.c: Likewise.
14695 * ggc-simple.c: Likewise.
14697 * global.c: Likewise.
14698 * graph.c: Likewise.
14699 * gthr-win32.h: Likewise.
14700 * haifa-sched.c: Likewise.
14701 * halfpic.h: Likewise.
14702 * integrate.c: Likewise.
14703 * integrate.h: Likewise.
14704 * jump.c: Likewise.
14706 * local-alloc.c: Likewise.
14707 * loop.c: Likewise.
14708 * loop.h: Likewise.
14710 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14712 * genattr.c: PROTO -> PARAMS.
14713 * genattrtab.c: Likewise.
14714 * gencheck.c: Likewise.
14715 * gencodes.c: Likewise.
14716 * genconfig.c: Likewise.
14717 * genemit.c: Likewise.
14718 * genextract.c: Likewise.
14719 * genflags.c: Likewise.
14720 * gengenrtl.c: Likewise.
14721 * genopinit.c: Likewise.
14722 * genoutput.c: Likewise.
14723 * genpeep.c: Likewise.
14724 * genrecog.c: Likewise.
14726 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14728 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14730 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14732 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14733 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14734 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14735 * configure, config.in: Rebuilt.
14737 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14739 * config/i386/i386.md: Add peephole to merge successive stack
14742 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14744 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14745 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14746 when walking backwards to find all the parameter loads when
14747 the basic block ends in a call.
14749 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14751 * loop.c (this_loop_info): Delete.
14752 (uid_loop): Add in place of uid_loop_num. All uses updated.
14753 (loop_number_exit_count): Delete and replace with entry in loop
14754 structure. All uses updated.
14755 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14756 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14757 (loop_outer_loop): Likewise.
14758 (loop_invalid, loop_number_exit_labels): Likewise.
14759 (loop_used_count_register): Delete and replace with entry in
14760 loop_info structure.
14761 (find_and_verify_loops): Add loops argument.
14762 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14763 loop_end, etc. arguments with loop structure pointer. All callers
14765 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14766 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14767 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14768 (insert_bct): Likewise.
14769 (basic_induction_var): New argument level.
14770 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14771 vtop, and cont. Add used_count_register.
14772 (uid_loop): Delete declaration.
14773 (loop_number_exit_count): Likewise.
14774 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14775 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14776 (loop_outer_loop, loop_used_count_register): Likewise.
14777 (loop_invalid, loop_number_exit_labels): Likewise.
14778 (unroll_loop): Replace loop_start and loop_end arguments
14779 with loop structure pointer.
14780 (loop_precondition_p, loop_iterations): Likewise.
14781 Include basic-block.h.
14782 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14783 with loop structure pointer.
14784 (loop_precondition_p, loop_iterations): Likewise.
14785 * basic-block.h (struct loop): New entries vtop, cont,
14786 cont_dominator, start, end, top, scan_start, exit_labels,
14788 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14790 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14792 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14794 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14796 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14798 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14800 * pdp11-protos.h: New file.
14802 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14805 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14808 * pdp11.md: Likewise.
14810 * 2bsd.h: Likewise.
14812 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14814 * mn10300-protos.h: New file.
14816 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14819 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14822 * mn10300.md: Likewise.
14824 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14826 * mn10200-protos.h: New file.
14828 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14831 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14834 * mn10200.md: Likewise.
14836 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14838 * h8300-protos.h: New file.
14840 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14843 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14846 * h8300.md: Likewise.
14848 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14850 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14851 (asm_emit_uninitialised): Likewise.
14853 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14855 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14856 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14858 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14860 * config/mips/mips.c (override_options): Don't turn on extra
14861 alignment for mips16.
14863 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14865 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14866 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14869 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14871 * builtins.c (PAD_VARARGS_DOWN): Define.
14872 (std_expand_builtin_va_arg): Use the above macro.
14873 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14874 * tm.texi (Register Arguments): Document the above macro.
14876 2000-01-14 Nick Clifton <nickc@cygnus.com>
14878 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14879 that this function has not been used to emit a jump
14882 * jump.c (return_jump_1): Cope with being passed a null rtx.
14884 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14886 * eh-common.h: PROTO -> PARAMS.
14887 * emit-rtl.c: Likewise.
14888 * errors.c: Likewise.
14889 * errors.h: Likewise.
14890 * except.c: Likewise.
14891 * except.h: Likewise.
14892 * explow.c: Likewise.
14893 * expmed.c: Likewise.
14894 * expr.c: Likewise.
14895 * expr.h: Likewise.
14896 * final.c: Likewise.
14897 * fix-header.c: Likewise.
14898 * flow.c: Likewise.
14899 * fold-const.c: Likewise.
14900 * function.c: Likewise.
14901 * function.h: Likewise.
14903 * gcov-io.h: Likewise.
14904 * gcov.c: Likewise.
14905 * gcse.c: Likewise.
14907 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14909 * sh-protos.h: New file.
14911 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14912 Add static prototypes. Fix compile time warnings.
14914 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14918 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14920 * arc-protos.h: New file.
14922 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14925 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14928 * arc.md: Likewise.
14930 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14932 * dsp16xx-protos.h: New file.
14934 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14937 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14940 * dsp16xx.md: Likewise.
14942 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14944 * convex-protos.h: New file.
14946 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14949 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14952 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14954 * elxsi-protos.h: New file.
14956 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14959 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14962 * elxsi.md: Likewise.
14964 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14966 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14967 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14968 match the comment for MIPS16.
14970 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14972 * flow.c (split_edge): Do not call set_block_for_insn if we
14973 do not have a basic_block_for_insn structure.
14975 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14976 and destination functions are 32bit aligned within the trampoline.
14977 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14978 (TRAMPOLINE_ALIGNMENT): Define.
14980 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14981 (set (pc) (label_ref)), verify the change creates a valid insn.
14983 * fr30.c (call_operand): Tighten and rework to match rules for
14984 call RTL expressions.
14985 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14986 * fr30.md (call patterns): Improve constraints.
14988 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14990 * fr30.c (fr30_expand_epilogue): Revert last change.
14991 Use emit_jump_insn for the return insn.
14993 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14994 Stan Cox <scox@cygnus.com>
14996 * predict.c: New file. Preliminary infrastructure work for static
14997 branch prediction and basic block reordering.
14998 * basic-block.h: Add prototype for estimate_probability.
14999 * Makefile.in: Add rules for predict.o.
15001 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
15003 * fixincludes (va_list): Use __not_va_list__ for the dummy.
15004 * fixinc/*: Likewise.
15006 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15008 * cccp.c: PROTO -> PARAMS.
15009 * cexp.y: Likewise.
15010 * collect2.c: Likewise.
15011 * combine.c: Likewise.
15012 * convert.h: Likewise.
15014 * dbxout.c: Likewise.
15015 * dbxout.h: Likewise.
15016 * diagnostic.c: Likewise.
15017 * doprint.c: Likewise.
15018 * dwarf2out.c: Likewise.
15019 * dwarf2out.h: Likewise.
15020 * dwarfout.c: Likewise.
15021 * dwarfout.h: Likewise.
15022 * dyn-string.h: Likewise.
15024 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15026 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
15027 macro conditionals guarding use.
15029 * dwarf2out.c: Include "tm_p.h".
15031 * function.c (locate_and_pad_parm): Mark parameter with
15033 (expand_function_end): Likewise for variable `context'.
15035 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
15037 2000-01-13 Nick Clifton <nickc@cygnus.com>
15039 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
15040 register to prevent compile time warnings.
15042 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
15044 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
15045 to avoid -Wtraditional warning.
15047 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15049 * 1750a-protos.h: New file.
15051 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
15054 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
15057 * 1750a.md: Likewise.
15059 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15061 * a29k-protos.h: New file.
15063 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
15066 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
15069 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15071 * clipper-protos.h: New file.
15073 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
15076 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
15079 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15081 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
15083 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
15085 * configure.in (--enable-new-gxx-abi): New option.
15086 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
15087 * Makefile.in (GXX_ABI_FLAG): New variable.
15088 * configure: Regenerate.
15090 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15092 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
15093 * tm.texi (FORCE_STRUCT_BLK): Document.
15094 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
15096 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
15098 * config/ns32k/ns32k.md: Revert Jan 9 change.
15100 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
15101 to a mode-test, if the predicate is address_operand.
15103 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
15105 * combine.c (if_then_else_cond): Be careful about what kinds
15106 of RTL expressions are passed to operand_subword.
15108 * flow.c (split_edge): If we have to insert a new jump, make
15109 sure to associate it with a basic block.
15111 * flow.c (commit_one_edge_insertion): A block with one successor
15112 can end in a JUMP_INSN that is not a simplejump.
15114 2000-01-12 Robert Lipe <robertl@sco.com>
15116 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
15117 (BUILD_VA_LIST_TYPE): Define.
15118 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
15121 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
15123 * cccp.c (do_pragma): Add cast to (char *).
15125 2000-01-12 Richard Henderson <rth@cygnus.com>
15126 Fred Fish <fnf@be.com>
15127 Jason Merrill <jason@cygnus.com>
15129 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
15130 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
15131 * i386/beos-elf.h, i386/beos-pe.h: New files.
15133 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
15134 * cross-make (SYSTEM_HEADER_DIR): Define using
15135 CROSS_SYSTEM_HEADER_DIR.
15137 * gcc.c (LIBRARY_PATH_ENV): Provide default.
15138 (process_command): Use it.
15139 (main): Likewise. Kill trailing = from env vars.
15140 (build_search_list): Put it back.
15141 * collect2.c (main): Use LIBRARY_PATH_ENV.
15143 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
15144 * toplev.c: Use NEED_DECLARATION_ENVIRON.
15146 * tm.texi (Frame Layout): Document SMALL_STACK.
15147 * c-common.c (c_common_nodes_and_builtins): Check it.
15149 * system.h: Undef alloca after including glibc's <stdlib.h>,
15150 if USE_C_ALLOCA is defined.
15152 * gcc.c (set_input): New fn.
15153 (main): After all input files are compiled, reset the input file
15156 * aclocal.m4 (rindex, index): If already defined, don't attempt
15159 * ginclude/varargs.h: (__va_list__): Define ifndef.
15160 * ginclude/stdarg.h: Likewise.
15162 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
15163 instead of unsigned char.
15165 * hash.h (true, false, boolean): Undef before enum.
15167 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
15168 proper type of "HOST_WIDE_INT *", rather than their natural type of
15169 "unsigned HOST_WIDE_INT *".
15171 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15173 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
15175 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
15177 * regclass.c (choose_hard_reg_mode): Likewise.
15179 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
15181 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
15183 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15185 * c-common.c: PROTO -> PARAMS.
15186 * c-common.h: Likewise.
15187 * c-decl.c: Likewise.
15188 * c-iterate.c: Likewise.
15189 * c-lang.c: Likewise.
15190 * c-lex.c: Likewise.
15191 * c-lex.h: Likewise.
15192 * c-parse.in: Likewise.
15193 * c-pragma.c: Likewise.
15194 * c-pragma.h: Likewise.
15195 * c-tree.h: Likewise.
15196 * c-typeck.c: Likewise.
15197 * objc/objc-act.c: Likewise.
15198 * objc/objc-act.h: Likewise.
15200 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15202 * m88k-protos.h: New file.
15204 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
15207 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
15209 * m88k.md: Likewise.
15211 * tekXD88.h: Likewise.
15213 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15215 * m68k-protos.h: New file.
15217 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
15220 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
15222 * mot3300.h: Likewise.
15224 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
15226 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
15228 (extract_bitlist): Declare bitlen.
15230 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
15232 * cccp.c: Accept and ignore -lang-fortran.
15234 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
15235 qualifiers don't match at any level of pointerness.
15237 2000-01-12 Robert Lipe <robertl@sco.com>
15239 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
15241 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
15243 * reload1.c (reload_reg_unavailable): New static variable.
15244 (reload_reg_free_p): Test it.
15245 (reload_reg_free_for_value_p): Test it instead of
15247 (choose_reload_regs_init): Compute it.
15249 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
15251 * reorg.c (fill_slots_from_thread): Check modified_in_p
15254 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
15256 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
15257 these nodes even if INTERNALS is not set.
15259 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
15261 * gcse.c (delete_null_pointer_checks_1): Cope when
15262 get_condition cannot determine the condition.
15264 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
15266 * toplev.h (set_message_length): Declare.
15268 * diagnostic.c (obstack_chunk_alloc): Define macro.
15269 (obstack_chunk_free): Likewise.
15270 (struct output_buffer): New data structure.
15271 (vmessage): Remove.
15272 (output_maximum_width): New variable.
15273 (doing_line_wrapping, set_message_length, init_output_buffer,
15274 get_output_prefix, output_space_left, emit_output_prefix,
15275 output_newline, output_append, output_puts, dump_output,
15276 vbuild_message_string, build_message_string, build_location_prefix,
15277 voutput_notice, output_printf, line_wrapper_printf,
15278 vline_wrapper_message_with_location): New functions. Implement
15279 automatic line wrapping.
15280 (v_message_with_decl): Make it handle automatic line wrapping.
15281 (v_error_with_file_and_line): Likewise.
15282 (v_warning_with_file_and_line): Likewise.
15283 (announce_function): Likewise.
15284 (default_print_error_function): Likewise.
15286 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
15288 * cpplib.h (struct cpp_options): Change lang_asm to char.
15290 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
15291 done in cpp_handle_option now.
15292 (initialize_builtins): Take out special case code used only by
15294 (cpp_handle_option): Turn off trigraphs and trigraph warnings
15295 if -traditional. Recognize -lang-fortran and set
15296 lang_fortran, also turn off cplusplus_comments.
15297 (print_help): Document -lang-fortran.
15298 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
15299 lang_asm. Ignore all directives other than `# 123 "file"' if
15301 (cpp_get_token): If -traditional, don't recognize directives
15302 unless the # is in column 1.
15303 (parse_string): If lang_fortran or lang_asm, silently
15304 terminate strings ('' or "") at end of line.
15305 Remove unnecessary braces.
15307 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15308 Richard Henderson <rth@cygnus.com>
15310 * resource.c (mark_referenced_resources): Mark a set strict_low_part
15312 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
15313 strict_low_part when possible.
15315 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15317 * alias.c: PROTO -> PARAMS.
15318 * basic-block.h: Likewise.
15319 * bitmap.c: Likewise.
15320 * bitmap.h: Likewise.
15321 * builtins.c: Likewise.
15322 * c-aux-info.c: Likewise.
15323 * caller-save.c: Likewise.
15324 * calls.c: Likewise.
15326 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15328 * Makefile.in (toplev.o): Depend on regs.h.
15330 * output.h (tdesc_section): Prototype.
15332 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
15334 * sdbout.c: Include "tm_p.h".
15336 * toplev.c: Include "regs.h".
15338 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
15340 * unroll.c (unroll_loop): Add EH support.
15342 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15344 * pa-protos.h: New file.
15346 * pa.c: Include recog.h and tm_p.h.
15347 (compute_zdepwi_operands, compute_movstrsi_length,
15348 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
15349 find_addr_reg, import_milli): Add static prototypes.
15350 (pa_cpu_string, pa_arch_string): Constify a char*.
15351 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
15352 (read_only_operand): Add argument `mode'.
15353 (singlemove_string, output_move_double, output_fp_move_double,
15354 output_block_move, output_and, output_ior, output_ascii,
15355 remove_useless_addtr_insns, milli_names, output_mul_insn,
15356 output_div_insn, output_mod_insn, output_arg_descriptor,
15357 output_cbranch, output_bb, output_bvb, output_dbra, ,
15358 output_millicode_call, output_call, hppa_encode_label,
15359 output_parallel_movb, output_parallel_addb): Constify a char*.
15360 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
15361 (output_parallel_addb): Remove extra arg to `constrain_operands'
15363 * pa.h: Move all prototypes to pa-protos.h.
15364 (pa_cpu_string, pa_arch_string): Constify a char*.
15365 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
15367 * pa.md: Call `function_label_operand' with mode argument.
15368 Likewise for `read_only_operand'.
15369 Fix nesting of parens in call to `symbolic_operand'.
15371 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15373 * i860-protos.h: New file.
15375 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
15378 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
15380 * i860.md: Likewise.
15382 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
15384 * i386.md (movstrsi expander): Rewrite.
15385 (movstrsi_1 insn): Deleted.
15386 (strmovhi, strmovqi expander): New expanders.
15387 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
15388 * i386.c (x86_single_stringop): New global variable.
15389 * i386.h (x86_single_stringop): Declare.
15390 (TARGET_SINGLE_STRINGOP): New macro.
15392 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15394 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
15395 integer vararg POSTINCREMENT before the destination of the jump
15396 for the hard fp case.
15397 (function_arg_pass_by_reference): Pass a copy of CUM to
15400 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
15401 for CONSTANT_ADDRESS_P above while loop for subreg.
15403 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15405 * flow.c (propagate_block): When a prologue/epilogue insn
15406 is marked dead, unconditionally clear libcall_is_dead and
15407 insn_is_dead, and only dump rtl if warnings aren't being
15410 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
15412 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
15413 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
15414 (FIXED_REGISTERS): Set dirflag as fixed.
15415 (CALL_USED_REGISTERS): Set dirflag as used.
15416 (REG_ALLOC_ORDER): Set dirflag as last one.
15417 (DIRFLAG_REG): New macro.
15418 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
15419 (HI_REGISTER_NAMES): Add dirflag.
15420 (DEBUF_PRINT_REG): Handle dirflag.
15421 * i386.md (type attribute): New cld and str types.
15422 (length_opcode attribute): Set cld and str to 1.
15423 (memory attribute): Set str to unknown - it is not clear from the
15425 (pent_np function unit): Prefixed string operations takes 12 cycles
15426 minimally; cld takes 2 cycles.
15427 (ppro_uops attribute): Str is "many" and cld is "few".
15428 (ppro_p0 unit): Handle cld here.
15429 (k6_alux unit): Handle cld and str types.
15430 (k6_load unit): It is ocupied by str opcodes.
15431 (k6_store unit): It is ocupied by str opcodes.
15432 (athlon_decode): Str is vector decoded.
15433 (athlon_ieu): Handle str and cld.
15434 (cld pattern): New.
15435 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
15436 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
15437 cmpstrsi_nz_1 insn): Do not output cld instruction
15439 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
15441 * gcc.texi (G++ and GCC): Add Java and Chill.
15442 (Bug Critera): Don't list languages.
15444 * gcc.texi (Incompatibilities): No longer claim most C compilers
15447 * gcc.texi (G++ and GCC): Update other front-ends list.
15449 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
15451 * i386.c (ix86_expand_setcc): Fix typo.
15452 (ix86_expand_movcc): Similarly.
15454 * Band-aid until haifa's bitset implementation is nuked.
15455 * haifa-sched.c (extract_bitlst): New parameter for size of the
15456 bitset in bits. All callers changed. Avoid looking at undefined
15457 bits in the bitset.
15458 (edgeset_bitsize): New variable.
15459 (schedule_region): Initialize edgeset_bitsize.
15461 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15463 * Makefile.in (optabs.o): Depend on real.h
15464 (resource.o): Depend on insn-attr.h
15466 * builtins.c (result_vector): Wrap prototype in macro conditions
15467 governing definition and use.
15469 * c-common.c: Include tm_p.h.
15471 * c-lex.c: Likewise.
15473 * elfos.h: Constify a char*.
15475 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
15476 (get_attr_length, shorten_branches, profile_after_prologue): Mark
15477 parameter with ATTRIBUTE_UNUSED.
15479 * fold-const.c (exact_real_inverse): Wrap variable `i' in
15482 * haifa-sched.c (schedule_insns): Mark parameter with
15485 * optabs.c: Include real.h.
15487 * real.h (ereal_atof): Add prototype arguments.
15489 * resource.c: Include insn-attr.h.
15491 * sdbout.c (sdbout_queue_anonymous_type,
15492 sdbout_dequeue_anonymous_types): Wrap in macro
15493 SDB_ALLOW_FORWARD_REFERENCES.
15494 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
15497 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
15499 * stupid.c: Include tm_p.h.
15501 * tree.c (real_value_from_int_cst): Mark parameter with
15504 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15506 * i960-protos.h: New file.
15508 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
15511 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
15513 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15515 * combine.c (expand_field_assignment): Do not discard SUBREGs
15516 while computing nonzero_bits.
15518 2000-01-09 Nick Clifton <nickc@cygnus.com>
15520 * config/arm/arm.c: Fix compile time warnings about signed vs
15521 unsigned constants.
15522 * config/arm/arm.h: Fix compile time warnings about signed vs
15523 unsigned constants.
15525 2000-01-09 Philip Blundell <philb@gnu.org>
15527 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
15528 than `ldm' with only one register.
15529 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
15532 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
15535 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
15537 * config/ns32k/ns32k.md (load or push effective address): Operand 1
15540 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15542 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
15543 assignment used as truth value.
15545 * function.c (assign_temp): Mark parameter `dont_promote' with
15546 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
15547 PROMOTE_FOR_CALL_ONLY.
15549 * genrecog.c (write_subroutine): Mark variable `operands' with
15552 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
15555 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
15556 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
15558 * toplev.c (note_deferral_of_defined_inline_function): Likewise
15561 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15563 * config/c4x.h: Tidy up comments.
15564 * config/c4x.c: Likewise.
15566 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15568 * fold-const.c (lshift_double, rshift_double): Handle
15569 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15571 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15573 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15574 in prepare_function_start().
15576 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15578 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15579 longer allocate extra stack for function calls.
15581 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15583 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15585 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15587 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15589 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15591 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15592 * aix43.h: Revert Aug 2 change.
15593 (HAS_INIT_SECTION): Define, not visible yet.
15594 (LD_INIT_SWITCH): Define, not visible yet.
15595 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15597 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15599 * collect2.c (main): Expand ld2 size further.
15600 (export_object_lst): Cast assignment to avoid warning.
15601 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15602 (scan_prog_file, COFF): Do not collect initialization or
15603 finalization functions generated for entire shared object if
15604 init/fini support present.
15606 2000-01-07 Nick Clifton <nickc@cygnus.com>
15608 * config/elfos.h: Tidy up formatting of marcos. Make sure
15609 that .section directives are always prefixed by a tab.
15611 * config/svr4.h: Add #include "elfos.h" and remove duplicate
15614 2000-01-07 Matt Austern <austern@sgi.com>
15616 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
15619 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
15621 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
15623 (crtbegin.o, s-crtS): Likewise.
15625 2000-01-06 Richard Henderson <rth@cygnus.com>
15627 * alpha.md (adddi_2+1): Limit offset such that it will be
15628 loadable with a single ldah+lda pair.
15629 (adddi_2+2): Explicitly fail split if we can't make it work.
15631 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15633 * protoize.c: Conditionally include unistd.h.
15634 (IS_SAME_PATH_CHAR): New macro.
15635 (IS_SAME_PATH): New macro.
15636 (CPLUS_FILE_SUFFIX): New macro.
15637 (cplus_suffix): New static variable.
15638 (is_abspath): New static function.
15639 (in_system_include_dir): Handle DOS style pathnames.
15640 (file_could_be_converted): Likewise.
15641 (file_normally_convertible): Likewise.
15642 (directory_specified_p): Likewise.
15643 (file_excluded_p): Likewise.
15644 (abspath): Likewise.
15645 (shortpath): Likewise.
15646 (referenced_file_is_newer): Likewise.
15647 (save_def_or_dec): Likewise.
15648 (do_processing): Likewise.
15650 (edit_file): Likewise. Use rename instead of link.
15651 (rename_c_file): Likewise. Don't rename syscalls file.
15652 (munge_compile_params): Define null device for DOS based systems.
15653 (process_aux_info_file): Use binary mode if appliable.
15654 (edit_file): Likewise.
15655 * invoke.texi (Running Protoize): Document C++ suffixes used.
15657 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15658 IS_DIR_SEPARATOR macros.
15659 * collect2.c: Likewise.
15660 * cppinit.c: Likewise.
15661 * dwarf2out.c: Likewise.
15663 * gcov.c: Likewise.
15664 * prefix.c: Likewise.
15666 * toplev.c: Likewise.
15667 * system.h: And move to here.
15669 * prefix.c (update_path): Fix typo in variable name.
15671 2000-01-06 Richard Henderson <rth@cygnus.com>
15673 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15674 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15675 (count_reg_sets_1, count_reg_references): Likewise.
15676 (flow_loops_level_compute): Start counting actual loop depth at 1.
15677 (flow_loops_find): Likewise.
15678 * local-alloc.c (update_equiv_regs): Likewise.
15679 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15681 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15683 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15684 FIRST_PSEUDO_REGISTER
15685 * dwarf2out.c: Don't include frame.h
15686 * dwarfout.c: Likewise
15687 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15690 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15692 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15695 * i386.c (movsf splitter): Fix typo in my last checkin.
15697 2000-01-05 Nick Clifton <nickc@cygnus.com>
15699 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15700 own definition of this macro.
15701 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15702 flag_data_sections or UNIQUE_SECTION_P are true.
15704 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15705 unitialised data decls.
15707 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15708 being called for uninitialised data.
15710 * config/i386/interix.c (i386_pe_unique_section): Cope with
15711 being called for uninitialised data.
15713 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15714 for uninitialised data.
15716 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15717 for uninitialised data.
15719 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15720 for uninitialised data.
15722 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15723 (UNIQUE_SECTION_P): Always generate a unique section if
15724 flag_data_sections is true.
15725 (UNIQUE_SECTION): Also generate unique sections for
15726 uninitialised data.
15727 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15728 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15731 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15733 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15736 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15738 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15739 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15740 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15741 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15742 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15744 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15746 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15748 * c-decl.c (finish_enum): Simplify code to determine minimum and
15749 maximum values of the enum, and calculate the type. Remove check
15750 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15751 the DECL_INITIAL of each enumeration constant with a copy converted
15752 to the enumeration type. When updating variant types, don't bother
15753 updating the type itself.
15755 * c-typeck.c (build_binary_op): Simplify conditional expressions
15756 when weeding out spurious signed-unsigned warnings. Add new
15757 spurious warning category: if the unsigned quantity is an enum
15758 and its maximum value fits in signed_type(result_type). Update
15760 (build_conditional_expr): Warn here if one alternative is signed
15761 and the other is unsigned.
15763 2000-01-05 Nick Clifton <nickc@cygnus.com>
15765 * config/fr30/fr30.h: Remove extraneous comments.
15767 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15769 * reload1.c (choose_reload_regs): When disabling a reload, also
15770 set reload_spill_index to -1.
15772 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15774 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15776 (m68*-*-rtemself*): New target.
15777 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15778 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15779 (sparc*-*-rtemself*): New target.
15780 (sparc*-*-rtems*): Now elf not a.out.
15781 * config/i386/rtems.h: Include config/rtems.h.
15782 * config/i386/rtemself.h: Include config/rtems.h.
15783 * config/i960/rtems.h: Include config/rtems.h.
15784 * config/m68k/rtems.h: Include config/rtems.h.
15785 * config/m68k/rtemself.h: Include config/rtems.h.
15786 * config/mips/rtems64.h: Include config/rtems.h.
15787 * config/pa/rtems.h: Include config/rtems.h.
15788 * config/rs6000/rtems.h: Include config/rtems.h.
15789 * config/sh/rtems.h: Include config/rtems.h.
15790 * config/sh/rtemself.h: Include config/rtems.h.
15791 * config/sparc/rtems.h: Include config/rtems.h.
15792 * config/sparc/rtemself.h: Include config/rtems.h
15794 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15796 * final.c (shorten_branches): Correctly compute length of
15797 asms without operands.
15799 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15801 * configure.in: Add pj target.
15802 * configure: Regenerate.
15803 * config/pj: New directory.
15804 * config/pj/lib1funcs.S: New file.
15805 * config/pj/linux.h: New file.
15806 * config/pj/pj.c: New file.
15807 * config/pj/pj.md: New file.
15808 * config/pj/pjl.h: New file.
15809 * config/pj/t-pj: New file.
15810 * config/pj/xm-pj.h: New file
15812 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15814 * toplev.c (rest_of_compilation): Run shorten-branches before
15817 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15819 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15820 macros so that they're consistent with their names.
15821 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15822 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15824 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15826 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15827 modified inadvertently.
15829 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15831 * configure.in (v850*-*-rtems*): New target.
15832 * configure: Regenerate.
15833 * config/v850/rtems.h: New file.
15835 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15837 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15838 (__gthread_key_create): Likewise.
15839 (__gthread_key_dtor): Likewise.
15840 (__gthread_once): Fix logic.
15841 (__gthread_key_delete): Cast away constness.
15843 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15844 * invoke.texi: Document.
15845 * i386/mingw32.h (CPP_SPEC): Use.
15846 (LIBGCC_SPEC): Likewise.
15847 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15849 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15851 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15852 (HANDLE_PRAGMA_PACK): Undefine.
15853 (SLOW_UNALIGNED_ACCESS): Define.
15855 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15857 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15858 to default definition.
15859 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15860 (store_fixed_bit_field): Call macro with word_mode and alignment.
15861 (extract_bit_field): Call macro with relevant mode and alignment.
15862 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15863 to default definition.
15864 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15866 (move_by_pieces_ninsns): Likewise.
15867 (clear_by_pieces): Likewise.
15868 (emit_push_insn): Likewise.
15869 (store_field): Call macro with relevant mode and alignment.
15870 (expand_expr): Likewise.
15871 (expand_expr_unaligned): Likewise.
15873 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15874 (SLOW_UNALIGNED_ACCESS): Define.
15875 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15876 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15877 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15878 (toc_section): Likewise and .toc pseudo-op.
15879 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15881 (TEXT_SECTION_ASM_OP): Likewise.
15882 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15885 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15886 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15887 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15888 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15889 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15891 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15893 * regclass.c: Revert my Jan 4 change to loop cost computation.
15895 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15897 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15900 2000-01-04 Stan Cox <scox@cygnus.com>
15902 * haifa-sched.c (build_control_flow): Change unreachable simple
15903 loop test to check if current block has only one predecessor.
15904 (find_rgns): Initialize degree. Use dest as degree index, not src.
15906 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15908 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15910 * calls.c (expand_call): Likewise for
15911 `old_stack_arg_under_construction'.
15913 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15915 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15918 * gcc.c (execute): Likewise for `ut' and `st'.
15920 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15922 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15924 * jump.c (jump_optimize_1): Likewise for `temp2'.
15926 * local-alloc.c (block_alloc): Likewise for `r1'.
15928 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15930 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15931 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15933 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15936 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15937 and `goal_earlyclobber'.
15939 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15941 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15943 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15945 * unroll.c (copy_loop_body): Likewise for `copy'.
15947 * varasm.c (output_constructor): Likewise for `byte'.
15949 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15951 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15952 all FP constants for constant->reg moves.
15953 (ix86_split_to_parts): Try to convert memory address into immediate
15954 when available in the constant pool.
15955 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15957 (LEGITIMATE_CONSTANT_P): Return 1.
15958 * i386.md (pushsf): New splitter to convert constant pool memory
15959 reference to immediate.
15960 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15963 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15965 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15966 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15967 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15968 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15969 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15971 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15973 * ginclude/stdbool.h: Support compilation as C++.
15975 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15977 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15979 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15981 * regclass.c (regclass): Properly compute loop_cost. Adjust
15984 * regclass.c: Fix minor whitespace problems.
15986 2000-01-03 Anthony Green <green@cygnus.com>
15988 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15989 Restore the pic register if required.
15991 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15993 * c-common.c (format_char_info): Update comment.
15994 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15995 was recognized. Emit warning for formats new in ISO C99 only
15996 if flag_isoc9x is not set.
15998 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
16000 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
16002 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16004 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
16005 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
16006 (make_compound_operation): Choose cheaper alternative between
16007 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
16009 * regclass.c (op_costs): Remove global variable.
16010 (record_reg_classes): New parameter "op_costs" and "reg_pref".
16011 (record_operand_costs): Break out from ...
16012 (scan_one_insn): ... here.
16013 (dump_regclass): Make dumps nicer.
16014 (regclass): Dump preferrences choosed and changes done during passes.
16016 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16018 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
16020 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16022 * config/sparc/sparc.c (gen_df_reg): New function.
16023 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
16024 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
16025 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
16026 movtf_cc_reg_sp64+1): Use it.
16028 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16030 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
16031 copied LABEL_DECLs.
16033 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
16035 * config/i386/i386.c (ix86_expand_unary_operator): Function
16036 definition made void.
16037 (ix86_expand_binary_operator): Update outdated preceding comment.
16038 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
16041 * config/i386/i386.c (override_options): Fix option-name typo.
16043 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16045 * system.h (CEIL): Define.
16046 * builtins.c (CEIL): Remove.
16047 * expmed.c (CEIL): Likewise.
16048 * expr.c (CEIL): Likewise.
16049 * stor-layout.c (CEIL): Likewise.
16051 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16053 * expr.c (store_constructor_field): Fix typo introduced with last
16056 2000-01-01 Mark Mitchell <mark@codesourcery.com>
16058 * tree.h (BINFO_N_BASETYPES): New macro.
16060 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
16062 * expmed.c (emit_store_flag): Prevent losing a pending stack
16063 adjust the same way we prevent losing queued increments.
16065 See ChangeLog.2 for earlier changes.