1 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3 * cse.c (CSE_ADDRESS_COST): Remove.
4 (find_best_addr): Add new parameter "MODE", use address_cost instead
7 (fold_rtx): Update call of find_best_addr.
8 * rtl.h (address_cost): Declare.
9 * loop.c (general_induction_var): Add new parameter "MODE", use
10 address_cost instead of ADDRESS_COST
11 (init_loop): Use address_cost instead of ADDRESS_COST.
12 (check_insn_for_givs): Update call of general_induction_var.
13 (find_mem_givs): Likewise.
14 (consec_sets_giv): Likewise.
15 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
16 * i386.c (ix86_address_cost): New.
17 * i386-protos.h (ix86_address_cost): Declare.
19 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
21 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
24 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
26 * expr.c (store_expr): Use clear_storage instead of direct memset
29 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
31 * config/mn10300/mn10300.c (mn10300_address_cost): Test
32 ASHIFT, AND and LABEL_REF.
34 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
36 * invoke.texi (-foptimize-sibling-calls): Fix.
38 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
40 * loop.c (load_mems) Don't use hard registers for the hoisting.
42 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
43 calculation; rename const_equiv array in the preconditioning code
44 from loop_unroll to loop_unroll_precondition
46 2000-04-27 Richard Henderson <rth@cygnus.com>
48 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
50 (propagate_one_insn): Clear it. Don't update reg_live here.
51 (init_propagate_block_info): Update for pbi member changes.
52 (free_propagate_block_info): Likewise.
53 (mark_set_1): Know that zero_extract, sign_extract, and
54 strict_low_part don't kill their argument. Alter hard subregs.
55 Update new_set for non-CLOBBER sets. Update reg_live.
56 (find_auto_inc): Update reg_live, not new_dead.
57 (mark_used_reg): Update reg_live, not new_live. Examine new_set
58 to determine if the reg in question was set this insn. Only update
59 reg info with PROP_REG_INFO.
61 2000-04-26 Richard Henderson <rth@cygnus.com>
63 * flow.c (allocate_reg_life_data): Set max_regno here ...
64 (life_analysis): ... not here.
66 * flow.c (calculate_global_regs_live): Force stack pointer
69 2000-04-26 Richard Henderson <rth@cygnus.com>
71 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
72 commit change group changes.
73 (invert_exp_1): Similarly.
74 (redirect_exp, invert_exp): Use them.
75 (redirect_jump_1): New.
77 (jump_optimize_1): Remove code subsumed by condexec.c.
78 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
80 2000-04-26 Richard Henderson <rth@cygnus.com>
82 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
84 * genconfig.c (main): Set all HAVE_foo to 1.
86 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
88 2000-04-26 Alex Samuel <samuel@codesourcery.com>
90 * invoke.texi: Document -fssa flag.
92 2000-04-26 Richard Henderson <rth@cygnus.com>
94 * flow.c (count_reg_sets_1): Remove.
95 (count_reg_sets, count_reg_references): Remove.
96 (recompute_reg_usage): Implement with update_life_info.
99 2000-04-26 Richard Henderson <rth@cygnus.com>
101 * flow.c (update_life_info): Consider blocks null to mean the
103 (calculate_global_regs_live): Likewise.
104 (life_analysis): Do that instead of collecting all_blocks.
106 2000-04-26 Richard Henderson <rth@cygnus.com>
108 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
109 a still-valid conditional jump.
111 2000-04-26 Richard Henderson <rth@cygnus.com>
113 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
115 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
116 * flow.c (calculate_loop_depth): Remove.
117 * output.h (calculate_loop_depth): Don't declare.
118 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
119 inline; run estimate_probability at the same time.
121 2000-04-26 Neil Booth <NeilB@earthling.net>
123 * cpplib.h: "~=" is not a single pp-token.
124 * cpplex.c: Correct commentary.
126 2000-04-26 Richard Henderson <rth@cygnus.com>
128 * flow.c (mark_set_1): New arguments code and flags; update all
129 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
130 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
131 loop_depth when optimizing for size. Do new_dead update after
132 emitting REG_UNUSED notes. Merge mark_set_reg code.
133 (mark_set_reg): Remove.
134 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
135 arrange to not emit REG_UNUSED notes.
137 2000-04-26 Richard Henderson <rth@cygnus.com>
139 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
140 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
142 2000-04-26 Richard Henderson <rth@cygnus.com>
144 * flow.c (propagate_one_insn): Break out from propagate_block.
145 (init_propagate_block_info): Likewise.
146 (free_propagate_block_info): Likewise.
147 (propagate_block): Use them. Export.
148 * basic-block.h: Declare them all.
150 2000-04-26 Richard Henderson <rth@cygnus.com>
152 * basic-block.h (life_analysis): Declare here ...
153 * output.h: ... not here.
154 * flow.c (life_analysis): Remove nregs parameter; replace
155 remove_dead_code with flags. Remove ssa dead code check.
156 Only init alias analysis if we'll use it.
157 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
158 * ssa.c (convert_to_ssa): Likewise.
159 (convert_from_ssa): Likewise.
160 * toplev.c (rest_of_compilation): Likewise.
162 2000-04-26 Richard Henderson <rth@cygnus.com>
164 * flow.c (flow_delete_block): Rename from delete_block. Export.
165 * basic-block.h (flow_delete_block): Declare.
167 2000-04-26 David S. Miller <davem@redhat.com>
169 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
170 taking a PATTERN of it.
172 2000-04-26 <NeilB@earthling.net>
174 * cpplex.c (spell_other, spell_char): Remove.
176 (token_spelling, trigraph_map): Use unsigned chars.
177 (_cpp_lex_line): Tidy up the switch statement.
178 * cpplib.h: Implement spell_char with spell_string.
181 2000-04-26 <RodneyBrown@pmsc.com>
183 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
184 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
186 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
188 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
189 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
190 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
191 dwarf2out_return_save, dwarf2out_return_reg,
192 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
193 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
194 gen_compile_unit_die, dwarf2out_init): Constify a char*.
196 * dwarf2out.h (dwarf2out_init): Likewise.
198 * dwarfout.c (filename_entry, primary_filename, last_filename,
199 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
201 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
202 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
203 dwarf2out_return_reg): Likewise.
205 2000-04-26 Andreas Jaeger <aj@suse.de>
207 * extend.texi (Function Attributes): Fix description of pure
210 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
212 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
213 before calling rest_of_compilation.
215 2000-04-26 Andreas Jaeger <aj@suse.de>
217 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
220 2000-04-25 Richard Henderson <rth@cygnus.com>
222 * cse.c (cse_insn): Emit barrier after unconditional jump.
224 * calls.c (expand_call): Disable tail call generation once
225 rtx_equal_function_value_matters is false.
227 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
230 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
232 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
234 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
236 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
237 is the primary DIE for a member function.
238 (gen_decl_die): Call set_decl_origin_self here.
239 * dwarfout.c (output_decl): And here.
240 * integrate.c (output_inline_function): Not here.
241 Don't clear DECL_INLINE until after calling rest_of_compilation.
242 (set_decl_origin_self): No longer static.
243 * tree.h: Add prototype.
244 * toplev.c (note_deferral_of_defined_inline_function): Only write
245 out abstract instance for actual inlines.
247 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
249 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
250 EXTENDED_REGS only if TARGET_AM33.
251 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
252 SP_REGS to register allocation and reloading unless absolutely
254 (movsi3): Remove special-case of adding non-constants to SP.
256 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
258 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
259 INCLUDES to search and does not provide any of its own. Also it
260 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
261 parameters. Also it does not call AC_DEFINE.
262 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
263 AC_DEFINE and provides for automatic entries for autoheader.
264 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
266 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
267 so we can pass -I flags and include gansidecl.h/system.h in this
270 * acconfig.h: Delete all NEED_DECLARATION_* entries.
272 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
274 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
275 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
276 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
278 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
279 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
280 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
281 for these macros. Clean up spacing and linewraps.
283 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
285 * calls.c (expand_call): Use get_callee_fndecl.
287 * print-tree.c (print_node): Print the chain of an _EXPR.
289 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
290 Jim Wilson <wilson@cygnus.com>
291 Andrew Haley <aph@cygnus.com>
293 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
294 and gp save/restore problems.
295 * config/ia64/crtend.asm: Add IA-64 unwind support.
296 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
297 in fr_pad_size calculation.
298 (save_restore_insns): Move PR save area. Correct uses of
300 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
301 (ia64_expand_epilogue): Add eh_epilogue support.
302 (ia64_function_prologue): Emit .prologue directive.
303 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
304 (ia64_override_options): Set init_machine_status and
306 (rtx_needs_barrier): Handle bsp reads and writes.
307 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
308 New static variables.
309 (process_set, process_for_unwind_directive): New functions.
310 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
311 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
312 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
314 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
315 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
316 (struct machine_function): Define.
317 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
319 2000-04-25 Bruce Korb <bkorb@gnu.org>
321 * fixinc/Makefile.in: make the removal of old programs more
323 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
324 install-bin and install-sh
326 2000-04-25 Nick Clifton <nickc@cygnus.com>
328 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
329 defined, define to return zero.
330 (function_cannot_inline_p): If a function has any target
331 specific attributes, then use the macro
332 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
333 whether it can be inlined. If it cannot, issue a suitable
336 * tm.texi: Add a new node 'Inlining' to document the new macro
337 FUNCTION_ATTRIBUTE_INLINABLE_P.
339 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
341 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
344 2000-04-25 Neil Booth <NeilB@earthling.net>
346 Restore previous patch, plus the following fixes:
348 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
349 flags, not CPP_OPEN_PAREN.
350 * cpplex.c (expand_token_space, init_token_list,
351 cpp_free_token_list): Put the dummy token at list->tokens[-1].
352 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
354 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
356 * config/i386/freebsd.h (INT_ASM_OP): Define.
358 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
360 * loop.c (strength_reduce): Fix typo in the last checkin.
362 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
364 * stor-layout.c (finalize_record_size): Simplify to use existing
366 (compute_record_mode): No longer static.
367 * tree.h (compute_record_mode): New declaration.
369 2000-04-25 Neil Booth <NeilB@earthling.net>
371 * Revert my patch below until cause of build failures
374 2000-04-25 Richard Henderson <rth@cygnus.com>
376 * combine.c (combine_instructions): Add missing argument
379 * toplev.c (rest_of_compilation): Delay sibcall optimization
380 until after emit_eh_context.
382 2000-04-24 Nick Clifton <nickc@redhat.com>
384 * combine.c (combine_instructions): Do not try to combine a
385 sequence of insns when the second insn has been replaced by a
388 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
390 * gcc.c (load_specs): New static function.
391 (read_specs): Use it.
393 * gcc.c (lookup_compiler): Make multiple passes for case
394 insensitive filesystems.
396 2000-04-24 Neil Booth <NeilB@earthling.net>
398 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
399 * cpphash.h (_cpp_check_directive): new.
400 * cpplex.c (handle_newline, cpp_free_token_list,
401 init_trigraph_map, trigraph_ok, trigraph_replace,
402 backslash_start, skip_block_comment, skip_line_comment,
403 skip_whitespace, parse_name, parse_number, parse_string,
404 copy_comment, _cpp_lex_line, spell_char, spell_string,
405 spell_comment, spell_name, spell_other, _cpp_lex_file,
406 _cpp_output_list): new.
407 (expand_name_space): take length argument.
408 (init_token_list): add comment list initialisation.
409 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
410 instead of HSPACE_BEFORE.
412 * cpplib.c (_cpp_check_directive): new
413 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
414 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
415 (HSPACE_BEFORE): delete.
416 (TTYPE_TABLE): rearrange.
417 (struct cpp_toklist): update.
419 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
421 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
422 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
423 argument form of AC_DEFINE.
425 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
426 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
427 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
428 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
429 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
431 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
433 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
435 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
436 deduced.h): Use -isystem, not -I, for including system headers.
438 2000-04-24 Nick Clifton <nickc@cygnus.com>
440 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
441 the source register is the frame pointer or arg pointer.
442 (addsi3_small_int): Disallow if source register is the frame
443 pointer or arg pointer.
445 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
447 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
448 call to AC_MSG_RESULT.
450 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
452 * invoke.texi: Correct grammatical errors, document
453 -fno-gnu-keywords as identical to -fno-asm for C++.
455 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
457 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
458 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
459 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
460 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
461 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
463 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
464 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
465 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
466 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
469 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
471 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
472 (pop_alignment): Likewise.
473 (handle_pragma_token): Likewise.
475 2000-04-24 Robert Lipe <robertlipe@usa.net>
477 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
479 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
481 * combine.c (try_combine): Update reg_nonzero_bits of
482 newi2pat before newpat.
484 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
486 * loop.c (strength_reduce): Simplify test to INSN_P.
487 (record_giv): Attempt to simplify the add value, use CONSTANT_P
488 expressions instead of CONST_INT.
489 (express_from_1): Likewise.
491 2000-04-24 Mark Mitchell <mark@codesourcery.com>
493 * regs.h (reg_n_max): Don't declare.
494 * flow.c (reg_n_max): Don't define.
495 * regclass.c (renumber): Don't initialize to zero.
496 (regno_allocated): Likewise.
498 (allocate_reg_info): Don't initialize unnecessarily.
500 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
502 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
503 and blockage_p in the newly allocated attribute.
505 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
507 * config/mn10300/mn10300.md (addsi): `inc4' on address
508 registers does not modify cc, but `inc' on an extended
511 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
513 * reload.c (find_equiv_reg): Checks all valueno regs
514 as a reload_reg_p regs.
516 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
518 * cpphash.c (collect_objlike_expansion): Add sanity check.
519 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
520 the buffer is the empty string, return. Mark __DATE__ and
521 __TIME__ as XCONST nodes, not MCONST.
522 (_cpp_macroexpand): Avoid pushing an empty buffer.
523 (funlike_macroexpand): Don't pop token_buffer here.
525 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
527 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
528 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
529 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
530 (REGNO_OK_FOR_BASE_P): Define in terms of them.
531 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
532 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
533 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
535 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
537 * loop.c (simplify_giv_expr): Be more agressive on simplifying
540 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
542 * cpphash.h (struct definition): Move file, line, col members...
543 (struct hashnode): ... here. Also add 'disabled' flag.
544 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
545 T_IDENTITY. Remove T_DISABLED.
548 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
549 (collect_expansion): Split into collect_objlike_expansion and
550 collect_funlike_expansion.
551 (_cpp_macroexpand): Split out scan_arguments, stringify, and
553 (_cpp_compare_defs): Rename compare_defs, make static.
554 (_cpp_make_hashnode): Initialize hp->disabled.
555 (macro_cleanup): Adjust for new token types. Clear
557 (_cpp_create_definition): Move code here to determine what
558 sort of macro it is, and code to check for redefinitions, from
559 do_define. Implement a few simple cases without creating a
561 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
562 Handle the simple cases.
563 (push_macro_expansion): Set buf->has_escapes and hp->disabled
566 * cppinit.c (builtin_array): Change MCONST to XCONST
568 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
569 fix check for disabled and function-like macros.
570 * cpplib.c (do_define): Move most logic to
571 _cpp_create_definition.
572 (do_undef): Handle new special token types.
574 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
576 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
577 of CONSTANT_P for mult_val; always use validate_change to update insn.
579 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
581 * cpphash.c (trad_stringify, add_pat): New functions.
582 (collect_expansion): Restore support for -traditional syntax.
583 Use trad_stringify and add_pat.
584 (_cpp_macroexpand): Restore support for -traditional semantics.
585 * cpplex.c (_cpp_scan_line): Don't change space_before if we
587 (_cpp_lex_token): Provide COMMENT tokens to caller if
588 traditional and parsing_define_directive.
589 (skip_comment): Warn about // comments if -Wtraditional.
590 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
592 (do_undef): Don't warn about undefining EMPTY nodes.
594 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
596 * loop.c (strength_reduce): Fix biv removal code.
598 2000-04-22 Richard Henderson <rth@cygnus.com>
600 * predict.c (estimate_probability): Examine both sides of
601 a branch for no exits. Use 90% not 50% for predict taken.
602 Reorg for one copy of note generation code.
604 2000-04-22 Richard Henderson <rth@cygnus.com>
606 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
608 2000-04-22 Richard Henderson <rth@cygnus.com>
610 * diagnostic.c (init_output_buffer): Don't initialize format_args.
611 (output_clear): Likewise.
612 (output_printf): Use va_copy.
613 (vline_wrapper_message_with_location): Likewise.
614 (v_message_with_decl): Likewise.
615 (line_wrapper_printf): VA_START infor buffer.format_args directly.
616 * system.h (va_copy): Provide default implementation.
618 2000-04-22 Richard Henderson <rth@cygnus.com>
620 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
621 the collected condition is not a constant.
623 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
625 * diagnostic.h: New file.
627 * Makefile.in (diagnostic.o): Depends on diagnostic.h
629 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
630 various function prototypes.
631 (diagnostic.h): #include.
632 (struct output_buffer): Move into diagnostic.h.
633 (get_output_prefix): Rename to output_get_prefix. Export.
634 (init_output_buffer): Export. Break out. Ajust intialization.
635 (output_space_left, output_append): Export.
636 (output_newline): Rename to output_add_newline. Export.
637 (output_clear): Nullify additional output_buffer fields.
638 (output_puts): Rename to output_add_string. Export.
639 (dump_output): Rename to output_flush_on. Export.
640 (build_location_prefix): Constify return-type.
641 (emit_output_prefix): Rename to output_emit_prefix. Export.
642 (set_real_maximum_length): New function.
643 (output_set_maximum_length): Ditto
644 (output_clear): Ditto.
645 (output_add_character): Ditto.
646 (output_add_integer): Ditto.
647 (output_add_space): Ditto.
648 (output_format): Ditto.
649 (output_printf): Adjust buffer initialization.
650 (vline_wrapper_message_with_location): Ditto.
651 (v_message_with_decl): Ditto. Adjust call to output_puts
652 and get_output_prefix.
653 (default_print_error_function): Adjust buffer intialization.
655 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
657 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
660 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
662 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
665 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
667 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
668 accurate data about SP moves.
670 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
672 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
673 aliases to AM33 registers.
675 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
677 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
678 to all EXTENDED bitmaps.
680 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
682 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
683 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
684 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
686 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
688 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
689 the operand is not constant.
691 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
693 * reload.c (find_equiv_reg): Checks all valueno and regno regs
694 as a call-clobbered regs.
696 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
698 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
700 * rtl.def: Update comment.
701 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
702 * integrate.c (expand_inline_function): Likewise.
703 * profile.c (branch_prob): Likewise.
704 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
705 * print-rtl.c (print_rtx): Likewise.
706 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
707 (reemit_notes): Likewise; also use enum insn_note.
709 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
710 (place_field): Properly compute know and actual alignment.
712 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
715 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
718 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
720 * cpphash.c (struct arg, struct arglist): Const-ify strings.
721 (warn_trad_stringify, duplicate_arg_p): New helper functions.
722 (collect_expansion): Rewrite to scan over a token list.
723 Remove -traditional support.
724 (collect_formal_parameters): Rename to collect_params; rewrite
725 to scan over a token list.
726 (_cpp_create_definition): Adjust to scan a token list.
727 (_cpp_macroexpand): Remove -traditional support.
728 (_cpp_compare_defs): Whitespace is now canonicalized.
729 (comp_def_part): Delete function.
731 * cpphash.h: Update prototypes.
732 * cpplex.c (init_token_list): Don't set lineno if there is no
734 (pedantic_whitespace): New function.
735 (_cpp_scan_line): Mark tokens that had hspace before. Don't
736 consume a newline. Use pedantic_whitespace.
737 (_cpp_lex_token): Remove support for -traditional macros.
738 (_cpp_get_define_token): Delete.
739 (_cpp_get_directive_token): Do the real work here. Use
741 (_cpp_init_input_buffer): Initialize pfile->directbuf.
743 * cpplib.c (get_macro_name): Delete.
744 (do_define): Read the entire line into pfile->directbuf, then
745 feed the token list to _cpp_create_definition.
746 * cpplib.h (HSPACE_BEFORE): new define.
747 (struct cpp_reader): Add a toklist member, "directbuf".
749 * predict.c (estimate_probability): New heuristic: if a jump
750 branches around a block with no successors, predict it taken.
751 Disentangle control flow.
753 2000-04-20 Richard Henderson <rth@cygnus.com>
755 * loop.c (emit_iv_add_mult): Revert last change.
757 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
759 * cpplib.h (enum cpp_ttype): Add token types for all
760 punctuators. Distinguish pp-numbers from valid C numbers.
761 Give some tokens better names. Initialize from macro.
762 (struct cpp_name, cpp_token, cpp_toklist): New data
765 * cpplex.c (bump_column, expand_name_space,
766 expand_token_space, init_token_list, cpp_output_list,
767 _cpp_scan_line): New functions.
768 (output_line_command): Add third argument, new line number.
769 * cpphash.h: Update prototypes.
770 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
773 2000-04-20 Richard Henderson <rth@cygnus.com>
775 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
777 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
779 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
782 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
784 * loop.c (emit_iv_add_mult): Simplify it's input and emit
785 REG_EQUAL note explaining the calculated value.
787 * calls.c (expand_call): Avoid unnecesary precalculation
788 and outgoing parameters space guarding for sibling calls.
789 (store_one_arg): Likewise.
791 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
793 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
794 (rest_of_compilation): Write sibling dump file and account
795 for time as jump time.
796 * invoke.texi: Update documentation on dump flags.
798 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
800 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
802 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
804 * cpphash.c (special_symbol): Represent an empty macro with
805 "\r \r " not just "\r ".
806 (_cpp_macroexpand): Correct condition for the foo ( ) special
808 (unsafe_chars): Handle EOF as second argument.
809 (push_macro_expansion): Simplify test for removing escape at
810 end. Do not trim both escapes if there is no text in between.
812 2000-04-19 Jim Blandy <jimb@redhat.com>
814 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
815 of PTR_SIZE, when appropriate.
817 2000-04-19 Mark Mitchell <mark@codesourcery.com>
819 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
820 (USE_ENUM_BITFIELDS): Fix typo.
822 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
824 * stor-layout.c (place_field): Set rli->offset_align properly.
826 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
828 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
829 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
830 PARM_BOUNDARY): Remove unnecessary casts.
832 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
834 * calls.c (precompute_arguments): Remove must_preallocate and
836 (expand_call): Update call of precompute_arguments.
838 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
839 check_insn_for_givs): Break out from ...
840 (strength_reduce) ... here; use for_every_insn_in_loop to call
842 * loop.h (for_every_insn_in_loop): Declare.
843 (loop_insn_callback): New type.
845 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
847 * cpplib.c (do_pragma_poison): Strings in the token buffer are
850 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
852 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
855 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
857 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
859 * configure.in: Delete --disable-cpplib option and all
860 references to cpp_main.
861 * configure: Regenerate.
862 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
863 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
864 cccp.o, cccp, or cppmain. Link cppmain.o straight to
865 cpp$(exeext). Add --no-headers to makeinfo command line when
866 generating INSTALL. Install and uninstall cpp.1 manpage, not
868 * install.texi: Delete all references to cexp.y/cexp.c.
869 Delete ancient instructions for compiling GCC on 3b1.
870 * INSTALL: Regenerate.
872 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
873 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
874 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
876 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
877 which is no longer tested anywhere.
879 * cppinit.c (handle_option): Don't run error message through
882 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
884 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
885 * cpperror.c (hashtab.h): Now include.
886 * cppexp.c (hashtab.h): Likewise.
887 * cpplex.c (hashtab.h): Likewise.
888 * cppfiles.c (hashtab.h): Likewise.
889 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
890 to htab_find_slot_with_hash.
891 * cpphash.c (hashtab.h): Now include.
892 (_cpp_lookup_slot): INSERT is now enum insert_option.
893 * cpphash.h (_cpp_lookup_slot): Likewise.
894 * cppinit.c (hashtab.h): Include earlier.
895 (initialize_builtins): Pass enum to htab_find_slot.
896 * cpplib.c (hashtab.h): Now include.
897 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
898 (do_pragma_poison, do_assert): Likewise.
899 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
900 htab_find_slot_with_hash.
901 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
902 * tree.c (type_hash_add): Likewise.
903 (build1): Minor cleanup.
905 * ggc-common.c: Add missing blanks.
906 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
907 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
909 * stmt.c (mark_case_node): New function.
910 (mark_case_nesting): Call it.
912 * expmed.c (emit_store_flag): If comparing two-word integer
913 with zero, can optimize NE, EQ, GE, and LT.
915 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
916 * conflict.c: Minor cleanups.
917 * optabs.c: Add blank line
918 * simplify-rtx.c: Minor cleanups.
920 2000-04-18 Stan Cox <scox@cygnus.com>
922 * gengenrtl.c (genlegend): Fix misspelling.
924 2000-04-18 Robert Lipe <robertlipe@usa.net>
926 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
927 bitfields of the host compiler are not signed quantities.
928 * config.in: Regenerate.
929 * configure: Regenerate.
930 * system.h (USE_ENUM_BITFIELDS): Added.
931 (ENUM_BITFIELDS): Added.
932 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
933 (SHORT_ENUM_BUG): Deleted.
934 * tree.h (tree_common): Members `code', `mode', `built_in_class',
936 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
937 (CODE_FIELD_BUG): Likewise.
938 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
940 * config/m68k/x-ccur (X_CFLAGS): Likewise.
942 2000-04-18 Mark Mitchell <mark@codesourcery.com>
944 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
947 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
949 * cppexp.c (lex): Don't assume tokens are NUL terminated.
950 * cpplib.c (do_include, do_import, do_include_next,
951 read_line_number, detect_if_not_defined): Likewise.
952 * cpphash.c (collect_expansion): Likewise.
953 (special_symbol, _cpp_macroexpand): Check return from
955 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
956 macros. Delete all uses.
958 * gcc.dg/cpp-mi.c: Add two more test cases.
959 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
961 2000-04-17 Richard Henderson <rth@cygnus.com>
963 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
964 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
966 2000-04-17 Mark Mitchell <mark@codesourcery.com>
968 * function.c (expand_function_start): Use hard_function_value to
969 compute the RTL to use for DECL_RESULT.
971 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
973 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
974 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
975 x86_memory_mismatch_stall): New global variables.
976 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
977 alloved; fix load penalties for Athlon.
978 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
979 x86_memory_mismatch_stall): Declare.
980 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
981 TARGET_MEMORY_MISMATCH_STALL): New.
982 * i386.md (athlon scheduling parameters): Fix latencies according to
983 Athlon Optimization Manual.
984 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
986 (fsqrt instruction patterns): Set athlon_decode to direct.
987 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
988 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
989 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
990 and TARGET_PARTIAL_REGISTER_STALL machines.
991 (pushdf_nointeger): New pattern.
992 (pushdf_integer): Rename from pushdf.
993 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
994 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
996 2000-04-17 Richard Henderson <rth@cygnus.com>
998 * loop.c (canonicalize_condition): Add WANT_REG argument.
999 Stop the search if we match it.
1000 * expr.h (canonicalize_condition): Update decl.
1001 * predict.c (expected_value_to_br_prob): Use it. Track last
1002 expected value note.
1003 (find_expected_value): Remove.
1005 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1007 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1009 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1010 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1012 * configure.in: Call AC_FUNC_MMAP_FILE.
1013 * configure: Regenerate.
1014 * config.in: Regenerate.
1016 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1017 * fixinc/fixincl.c: Likewise.
1019 2000-04-17 Richard Henderson <rth@cygnus.com>
1021 * builtins.c (expand_builtin_expect): New.
1022 (expand_builtin): Call it.
1023 * builtins.def (BUILT_IN_EXPECT): New.
1024 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1025 * extend.texi: Document it.
1027 * predict.c (expected_value_to_br_prob): New.
1028 (find_expected_value): New.
1029 * basic-block.h (expected_value_to_br_prob): Declare.
1030 * toplev.c (rest_of_compilation): Invoke it.
1032 * rtl.h (NOTE_EXPECTED_VALUE): New.
1033 (NOTE_INSN_EXPECTED_VALUE): New.
1034 * rtl.c (note_insn_name): Update.
1035 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1036 cases; handle NOTE_INSN_EXPECTED_VALUE.
1038 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1040 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1041 leaf sibcall delay slot if flag_pic.
1042 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1044 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1046 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1048 * fixproto: If fix-header fails, exit with an error.
1050 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1052 * cse.c (struct check_depdendence_data): New.
1053 (check_dependence): New function.
1054 (invalidate): Use check_depdenence.
1056 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1058 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1059 UNITS_PER_WORD is unsigned.
1061 * tree.h (struct tree_common): Remove misleading comment.
1063 2000-04-16 Dave Pitts <dpitts@cozx.com>
1065 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1066 message in quotes. Otherwise, IBM's make program treats the '#' as the
1067 start of a comment and ignores the remainder of the line.
1069 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1071 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1072 * cexp.y (initialize_random_junk): Likewise.
1073 * cppfiles.c (find_include_file): Cast alloca return value.
1074 * cppinit.c (initialize_standard_includes): Likewise.
1075 * cpplib.c (cpp_define, cpp_undef): Likewise.
1076 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1077 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1078 * fold-const.c (CHARMASK): New.
1079 (real_hex_to_f): Use it.
1080 * real.c (CHARMASK): New.
1081 (etoasc, asctoeg): Use it.
1082 (asctoeg): EBCDIC lower case characters preceed upper case.
1084 * i370.c (mvs_add_label): Change spacing for coding conventions.
1085 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1086 outputing case vectors.
1087 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1088 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1089 since vector in in the data CSECT.
1090 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1091 * i370.md (Many patterns): Put the length in the XL directives.
1092 (movdi): Put back STM and MVC in definition.
1093 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1094 pattern using the TCA.
1095 * oe.h (CPP_SPEC): Added to allow trigraphs.
1096 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1097 not support the "long long" type.
1099 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1101 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1103 (mips_reg_mode_ok_for_base_p): Likewise.
1104 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1105 (REG_OK_FOR_INDEX_P): Define unconditionally.
1106 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1107 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1108 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1109 that GET_MODE_SIZE is unsigned.
1110 (mips_reg_mode_ok_for_base_p): Define.
1111 (mips_legitimate_address_p): Likewise. Adjust now
1112 that GET_MODE_SIZE is unsigned.
1113 (block_move_loop): Make the number of bytes unsigned.
1114 (expand_block_move): Likewise.
1115 (function_arg): Make the loop counter unsigned to match the
1118 2000-04-16 Richard Henderson <rth@cygnus.com>
1120 * rtl.h (enum insn_note): New enumeration. Subsume
1121 NOTE_INSN_DELETED and friends.
1122 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1123 * rtl.c (note_insn_name): Tweak string order.
1125 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1127 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1130 * cpplex.c (output_line_command): Remove debugging prints.
1131 (cpp_output_tokens): Don't write out a zero-length buffer or
1132 try to see if it has a newline in it.
1133 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1134 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1135 the end of the loop. Use memmove. Don't read past the end of
1136 the buffer. Remove trailing newlines from error messages.
1138 2004-04-16 Neil Booth <NeilB@earthling.net>
1140 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1141 * cpplib.c: Add new syntax flags to directive table, and
1144 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1146 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1149 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1151 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1152 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1154 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1156 * Makefile.in (ggc-page.o): Now includes toplev.h.
1157 * ggc-page.c (toplev.h): Now included.
1158 (gc_time): Remove declaration.
1159 (ggc_collect): TIME now long.
1160 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1162 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1164 * toplev.c: Make *_time variable long to reduce chance of overflow.
1165 (TIMEVAR): Likewise for `otime'.
1166 (print_time): Arg is now long; compute percentage in FP and round.
1167 * toplev.h (print_time): Arg is long.
1169 * tree.c: Minor whitespace changes.
1171 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1172 * configure: Rebuilt.
1173 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1174 (__fixunsxfDI): Renamed from __fixunsxfdi.
1175 (__fixunsdfDI): Renamed from __fixunsdfdi.
1176 (__fixunssfDI): Renamed from __fixunssfdi.
1177 (__floatdisf): Use proper type in REP_BIT macro.
1178 (__fixunsxfSI): Renamed from __fixunsxfsi.
1179 (__fixunsdfSI): Renamed from __fixunsdfsi.
1180 (__fixunssfSI): Renamed from __fixunssfsi.
1181 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1182 Change location of macros and upper-case some names as above.
1183 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1184 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1186 * varasm.c (assemble_variable): Add cast to remove warning.
1187 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1189 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1190 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1191 region number to -1.
1193 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1195 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1196 call unshare_all_rtl.
1198 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1200 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1202 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1203 Use .s1 not .s0 for all FP instructions.
1205 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1207 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1209 (safe_fwrite, output_line_command): New static functions.
1210 (cpp_expand_to_buffer): Now private to cpplib.
1211 (cpp_scan_buffer): Take a printer.
1213 * cpphash.h: Update prototypes.
1214 * cpplib.h: Update prototypes.
1216 (cpp_buffer): Remove last_nominal_fname.
1217 (cpp_reader): Remove lineno.
1219 * cppmain.c: Use a cpp_printer.
1220 * fix-header.c: No need to inhibit line commands. Call
1221 cpp_start_read with no printer.
1223 * cpperror.c (cpp_notice_from_errno): Provide default name.
1224 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1225 (find_include_file, cpp_read_file): Use make_IHASH.
1226 (file_cleanup): Set control_macro and clear
1227 input_stack_listing_current here.
1228 (_cpp_execute_include): Don't output entering-file marker.
1229 * cpphash.c (special_symbol): Look for the line number in the
1230 buffer, not the reader.
1231 (_cpp_macroexpand): No need to disable line commands.
1232 (_cpp_dump_definition): No need to generate line commands.
1233 (dump_hash_helper): Remove excess newline from output.
1234 * cppinit.c (dump_special_to_buffer): No need to generate line
1236 (cpp_printer_init): New.
1237 (cpp_start_read): Take a printer, and start it up if it's not
1238 NULL. No need to generate line commands.
1239 (cpp_finish): Expect no buffers stacked at all. Take a
1240 printer argument, and flush the output buffer if it's not
1242 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1243 Don't put two hashes at the beginning of an assertion.
1244 (cpp_get_token): Don't increment pfile->lineno or emit line
1245 commands here. Return EOF if there's no buffer when we get
1247 * cpplib.c (do_define, skip_if_group):
1248 No need to disable line commands.
1249 (_cpp_output_line_command): Delete function.
1250 (do_line): Don't emit line commands here, but set things up so
1251 they will be emitted if necessary. Use _cpp_fake_ihash to
1252 make unique nominal_fnames if necessary.
1253 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1254 with 0 for column, not -1.
1255 (_cpp_handle_eof): Don't set the control macro here. Don't
1256 clear input_stack_listing_current here. Don't emit line
1259 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1261 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1262 always, use the default SVR4 start address.
1264 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1265 (LINK_SHLIB_SPEC): Define.
1266 (LINK_START_DEFAULT_SPEC): Define.
1267 (LINK_OS_DEFAULT_SPEC): Define.
1269 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1271 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1272 __do_global_ctors to handle constructors.
1273 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1274 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1275 (STARTFILE_MVME_SPEC): Likewise.
1276 (STARTFILE_SIM_SPEC): Likewise.
1277 (ENDFILE_ADS_SPEC): Use crtend.
1278 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1279 (ENDFILE_MVME_SPEC): Likewise.
1280 (ENDFILE_SIM_SPEC): Likewise.
1281 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1282 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1283 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1284 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1285 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1286 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1287 (CRTSTUFF_T_CFLAGS_S): Define.
1288 * config/rs6000/eabi-ctors.c: Delete.
1290 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1293 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1297 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1299 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1300 plus mask size is smaller or equal to the mode size.
1302 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1304 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1307 * expr.c (reload.h): Now included.
1308 (emit_block_move): Set volatile_ok when checking for movstr.
1309 (emit_move_1): Check for replacements in addresses in multi-word case.
1310 * Makefile.in (expr.o): Now includes reload.h.
1312 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1313 Never have a LIBCALL end a basic block.
1314 (find_basic_blocks_1): Likewise.
1315 Reorganize CALL_INSN cases.
1317 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1319 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1321 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1322 completers from mov.ret instruction.
1324 2000-04-14 Richard Henderson <rth@cygnus.com>
1326 * fold-const.c (extract_muldiv): Don't distribute and widen
1327 multiply across plus for non-sizetype unsigned types.
1329 2000-04-14 Richard Henderson <rth@cygnus.com>
1331 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1332 If the original source is dead in the incr insn, it's dead now.
1334 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1336 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1337 see if DECL_BIT_FIELD needs to still be set.
1339 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1341 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1342 print_int_cst_octal with something that's not an INTEGER_CST.
1344 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1345 and not a SUBREG to a FLOAT rtl.
1347 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1349 * emit-rtl.c (try_split): Avoid infinite loop if the split
1350 results in a sequence that contains the original insn.
1352 2000-04-13 Andreas Jaeger <aj@suse.de>
1354 * config/mips/mips.c (expand_block_move): Pass alignment
1355 argument to move_by_pieces in bits, not bytes.
1357 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1358 __pic__ for little endian.
1360 2000-04-13 Andreas Jaeger <aj@suse.de>
1362 * config/i386/i386-protos.h: Add prototype for
1363 uno_comparison_operator.
1365 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1367 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1368 * calls.c (ECF_PURE): New flag.
1369 (emit_call_1): Handle ECF_PURE calls.
1370 (initialize_argument_information): Unset ECF_PURE flag too.
1371 (precompute_arguments): Precompute for ECF_PURE too.
1372 (expand_call): Handle ECF_PURE calls too.
1373 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1374 accept value of 2 as pure function.
1375 (emit_library_call_value, emit_library_call): Rename no_queue argument
1377 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1379 * tree.h (DECL_IS_PURE): New macro.
1380 (struct tree_decl): Add pure_flag.
1381 * c-common.c (enum attrs): Add attribute "pure".
1382 (init_attributes): Initialize attribute "pure"
1383 (decl_attributes): Handle attribute "pure".
1384 * extend.texi (Attribute "pure"): Document.
1385 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1387 (flags_from_decl_or_type): Support attribute "pure".
1389 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1391 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1392 the token except for numbers and identifiers.
1394 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1396 * i386.c (ix86_expand_binary_operator,
1397 ix86_expand_unary_operator): Check no_new_pseudos
1398 instead of reload_in_progress and reload_completed.
1399 (ix86_split_ashldi, ix86_split_ashrdi,
1400 ix86_split_lshrdi): Check no_new_pseudos instead
1401 of reload_completed.
1403 2000-04-12 Jeffrey A Law (law@cygnus.com)
1405 * function.c (purge_addressof): Unshare any shared rtl created by
1406 purge_addressof and its children.
1408 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1410 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1413 2000-04-05 Andreas Jaeger <aj@suse.de>
1415 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1416 not compiling PIC code, add flags for mabi=64.
1417 (SUBTARGET_CPP_SIZE_SPEC): New.
1418 (SUBTARGET_CPP_SPEC): New.
1419 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1420 for MIPS/Linux and lots of code needs these defines.
1422 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1424 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1425 trying the "opposite arithmetic" approach.
1427 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1429 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1430 (struct sh_args): Add new field force_mem.
1431 (INIT_CUMULATIVE_ARGS): Initialize it.
1432 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1434 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1436 * calls.c (expand_call): Do not reverse args in "equal from" field.
1437 (emit_library_call_value_1): Emit_libcall_block for const and pure
1440 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1442 * reload1.c (reload_combine): Don't enable optimization for fixed
1443 registers when encountering a BARRIER.
1445 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1447 * builtins.c (expand_builtin_memcmp): Do expansion even with
1448 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1450 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1451 stack is propertly aligned; add sanity checking for aligned
1453 (expand_library_call_value_1): Add sanity checking for aligned
1456 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1458 * calls.c (emit_library_call_value_1): Change 3rd arg to
1459 locate_and_pad_parm to disregard the setting of partial.
1461 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1463 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1465 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1466 CALL_INSN from the normal case.
1468 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1470 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1471 New global variables.
1472 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1474 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1476 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1477 TARGET_ADD_ESP_8): New macros.
1478 * i386.md: Add peep2s to convert esp adjustments to push and pop
1480 (pushsi_prologue, popsi_epilogue): New patterns.
1482 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1484 * real.c (toe64): Remove stale #endif from the last change.
1486 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1488 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1489 * real.c (toe64): Revert previous change.
1491 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1493 * objc/objc-act.c: Include ggc.h.
1494 (objc_tree_index, objc_global_trees): Convert most of the
1495 static tree variables into a static array with previous names
1497 (objc_ellipsis_node): New variable.
1498 (lang_init): Call objc_act_parse_init and c_parse_init.
1499 Create objc_ellipsis_node.
1500 (build_selector_translation_table): Use objc_ellipsis_node instead
1502 (hack_method_prototype): Likewise.
1503 (get_arg_type_list): Likewise.
1504 (start_method_def): Likewise.
1505 (continue_method_def): Likewise.
1506 (gen_method_decl): Likewise.
1507 (ggc_mark_imp_list): New function.
1508 (ggc_mark_hash_table): New function.
1509 (objc_act_parse_init): New function.
1510 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1511 * c-parse.in (c_parse_init): For objc add roots of objc specific
1512 local tree variables.
1513 * objc/objc-parse.y: Rebuilt.
1514 * objc/objc-parse.c: Rebuilt.
1515 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1517 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1519 * cse.c (delete_trivially_dead_insns): Also delete insns
1520 that copy a register to itself where the destination is
1523 2000-04-11 Richard Henderson <rth@cygnus.com>
1525 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1526 (propagate_block): Initialize them. Use them in parallel instead
1527 of one tmp variable, ie revert much of the 0408 and 0407 functional
1528 changes, but keep the structural changes.
1529 (mark_set_regs): Take new_dead from propagate_block_info instead.
1530 (mark_set_1, mark_set_reg): Likewise.
1531 (mark_used_regs): Likewise with new_live.
1532 (mark_used_reg): Likewise. Revert 0408 change.
1534 2000-04-11 Nick Clifton <nickc@cygnus.com>
1536 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1538 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1540 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1542 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1543 const section to output a CONSTRUCTOR based on the same conditions
1546 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1548 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1549 * pa/pa-protos.h (output_call): Add additional argument indicating
1550 if the call is a sibling/tail call.
1551 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1552 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1553 (function_arg, function_arg_partial_nregs): Likewise
1554 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1555 (emit_move_sequence): Zero extend certain constants as needed
1557 (compute_zdepdi_operands, output_64bit_and): New functions.
1558 (output_64bit_ior, function_arg): Likewise.
1559 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1560 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1561 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1562 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1563 (output_bvb): Likewise.
1564 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1565 (output_call): New argument 'sibcall'. Generate sibcall sequences
1567 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1568 (ouput_arg_descriptor): Do not emit argument descriptors for
1570 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1572 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1573 (FUNCTION_OK_FOR_SIBALL): Define.
1574 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1575 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1576 (CPP_SPEC): Use new spec infrastructure.
1577 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1578 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1579 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1580 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1581 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1582 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1583 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1584 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1585 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1586 (FUNCTION_ARG); Call out to C code.
1587 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1588 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1589 (MIN_UNITS_PER_WORD): Likewise.
1590 * pa/pa.md (cmpdi): New expander.
1591 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1592 (64bit conditional arithmetic): New patterns.
1593 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1594 (movsicc): Not available if modes on all the operands to not match.
1595 (movdicc): New expander and associated patterns.
1596 (64bit branches): New patterns.
1597 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1598 (pre_ldd, post_std): New patterns.
1599 (64bit addil, load low part): New patterns.
1600 (special movsf constant): Not available for TARGET_64BIT.
1601 (movsf, movdf expanders): Force constants into memory.
1602 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1603 (64bit movdf/movdi patterns): New patterns.
1604 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1606 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1607 (adddi3 expander): Allow "arith_operand" for second input.
1608 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1609 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1610 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1611 (muldi3): New expander for TARGET_64BIT.
1612 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1614 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1615 patterns for TARGET_64BIT.
1616 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1617 patterns for TARGET_64BIT.
1618 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1619 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1620 (sibcall_epilogue): New expander.
1621 (casesi): Tweak for TARGET_64BIT.
1622 (call expanders): Set & use the outgoing argument pointer. Use the
1623 64bit call patterns as needed. Add additional arg to output_call.
1624 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1625 (sibcall, sibcall_internal_symref): New expanders.
1626 (sibcall_value, sibcall_value_internal_symref
1627 (interspace_jump): Turn into an expander + matching patterns.
1628 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1629 * pa/pa64-regs.h: Eliminate trigraph sequences.
1630 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1632 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1634 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1635 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1636 cpp_token with cpp_ttype everywhere.
1637 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1638 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1639 CPP_BUF_COL. Line and column numbers are unsigned int, not
1641 * cpplex.c (cpp_buf_line_and_col): Delete.
1642 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1643 'long lineno' to 'unsigned int lineno'.
1644 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1646 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1648 * extend.texi: ISO C99 is not a draft anymore.
1649 * invoke.texi: ISO C++ is not a draft anymore.
1650 * cpp.texi: __cplusplus is required by the ISO standard.
1652 * extend.texi (-fthis-is-variable): Undocument.
1653 * flags.h (warn_template_debugging): Remove declaration.
1654 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1655 -Wenum-clash, -Wtemplate-debugging): Undocument.
1657 2000-04-10 Nick Clifton <nickc@cygnus.com>
1659 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1661 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1663 (ARM_SIGN_EXTEND): Use HOST_UINT.
1664 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1665 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1666 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1667 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1669 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1670 (arm_gen_constant): Use HOST_UINT.
1671 (arm_canonicalize_constant): Use HOST_UINT.
1672 (arm_reload_in_hi): Use HOST_UINT.
1673 (arm_reload_out_hi): Use HOST_UINT.
1674 (output_multi_immediate): Use HOST_UINT.
1675 (int_log2): Use HOST_UINT.
1676 (arm_poke_function_name): Use HOST_UINT.
1677 (arm_output_epilogue): Use arm_volatile_func().
1678 (output_thumb_prologue): Use arm_strip_name_encoding().
1680 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1682 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1683 of sequence point problems.
1685 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1687 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1689 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1691 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1693 * sbitmap.h: Whitespace changes and use upper-case macro args.
1694 (struct simple_bitmap_def): All sizes now unsigned.
1695 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1696 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1697 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1698 (sbitmap_zero): Cast bzero arg to PTR.
1699 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1700 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1701 loop to make structure clearer.
1702 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1703 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1704 (sbitmap_a_and_b_or_c): Likewise.
1705 (sbitmap_intersection_of_succs): Minor cleanups.
1706 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1707 (sbitmap_union_of_preds): Likewise.
1708 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1709 (debug_sbitmap): New function.
1711 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1712 * c-typeck.c (convert_for_assignment): Likewise.
1714 * expmed.c (init_expmed): Don't free objects we make.
1715 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1717 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1718 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1720 * gcse.c (expr_hash_table_size): Now unsigned.
1721 (compute_ae_gen): Local variable `i' now unsigned.
1722 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1723 (compute_transout, hoist_code): Likewise.
1724 (compute_local_properties): Likewise, also hash_table_size.
1725 (alloc_expr_hash_table): N_INSNS now unsigned.
1726 (delete_null_pointer_checks): Mark arg F as unused.
1728 * regrename.c: Minor cleanups, including chang some variables
1731 2000-04-10 Neil Booth <NeilB@earthling.net>
1733 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1735 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1737 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1739 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1740 __classof__, and __headof__ from the list of gnu keywords.
1741 (-ansi): Remove -foperator-names from list of implied options.
1742 Do not call it ANSI C++.
1743 (-foperator-names): Document as -fno-operator-names.
1745 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1747 * cpphash.c (timestamp): Delete.
1748 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1749 (special_symbol): Remove unnecessary braces. Remove
1750 T_VERSION. Treat T_STDC like T_CONST unless
1751 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1752 when one is encountered, then convert them into T_MCONST
1754 * cppinit.c (builtin_array): version_string is T_MCONST.
1755 __STDC__ has a "1" in its cpval. Don't have a terminator
1756 entry. Clean up which entries are dumped.
1757 (initialize_builtins): Only __STDC__ gets the special
1758 -traditional treatment. Count the length of builtin_array.
1759 Render version_string here.
1760 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1761 * cpplib.h (struct cpp_reader): Remove timebuf.
1763 2000-04-09 Richard Henderson <rth@cygnus.com>
1765 * genrecog.c (pred): Update comparison_operator for the unordered
1768 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1770 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1771 (uno_comparison_operator): New.
1772 (put_condition_code): Handle UNORDERED/ORDERED.
1773 (unsigned_comparison): Likewise.
1774 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1775 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1776 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1777 update all callers. Handle all 8 unordered operators.
1778 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1779 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1780 * config/i386/i386.h (PREDICATE_CODES): Update.
1781 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1782 (ix86_expand_branch, ix86_expand_setcc): Update.
1783 * config/i386/i386.md (sunordered, sordered): New.
1784 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1785 (bunordered, bordered): New.
1786 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1787 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1788 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1790 2000-04-09 Philip Blundell <philb@gnu.org>
1792 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1794 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1796 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1797 fix_truncxfhi2): New patterns.
1798 * i386.c (output_fix_trunc): Handle converting to HImode.
1800 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1802 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1804 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1805 (for_each_successor_phi): Change parameter to basic_block.
1806 (coalesce_regs_in_successor_phi_nodes): Likewise.
1807 (coalesce_regs_in_copies): Likewise.
1808 (compute_coalesced_reg_partition): Use basic_block instead of index.
1809 * rtl.h (convert_to_ssa): Delete.
1810 (convert_from_ssa): Likewise.
1811 (successor_phi_fn): Likewise.
1812 (for_each_successor_phi): Likewise.
1813 (in_ssa_form): Likewise.
1814 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1815 (convert_from_ssa): Likewise.
1816 (successor_phi_fn): Likewise.
1817 (in_ssa_form): Likewise.
1818 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1819 * flow.c (calculate_global_regs_live): Pass a basic_block to
1820 for_each_successor_phi.
1822 2000-04-08 Richard Henderson <rth@cygnus.com>
1824 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1825 was modified in the current insn.
1827 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1829 * arm/thumb.md: Delete.
1830 * arm/thumb-protos.h: Delete.
1832 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1834 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1836 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1838 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1841 * arm.md (nop): Use the standard RTL expression. Don't code as a
1843 (*arm_nop, *thumb_nop): Delete.
1845 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1846 constants. Use casts instead.
1847 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1848 output_multi_immediate, arm_poke_function_name): Likewise.
1849 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1850 MASK_RETURN_ADDDR): Likewise.
1852 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1854 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1857 * arm.md (eh_epilogue): New function.
1858 * arm.h (struct machine_function): Move to here ...
1859 * arm.c: ... from here.
1860 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1861 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1862 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1864 2000-03-30 Nick Clifton <nickc@cygnus.com>
1866 * config/arm/semi.h (ASM_SPEC): Restore definition.
1867 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1869 * config/arm/elf.h (ASM_SPEC): Restore definition.
1870 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1872 * config/arm/arm.h (ASM_SPEC): Remove definition.
1873 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1875 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1877 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1879 2000-03-24 Nick Clifton <nickc@cygnus.com>
1881 Various formating tidyups, elimination of compile time
1882 warnings and synchronisation with internal sources:
1884 * config/arm/arm-protos.h (assemble_align): Add prototype.
1885 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1886 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1887 (arm_return_addr_rtx): Rename to arm_return_addr.
1889 * config/arm/arm.c: Include except.h.
1890 Define shorter typenames for strict minipool_node and struct
1892 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1894 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1895 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1897 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1899 (ASM_SPEC): Define if not already defined.
1900 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1902 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1903 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1904 arm_gen_compare_reg.
1905 (indirect_jump): Only accept register operands.
1906 (load_indirect_jump): Keep this pattern since combine can generate
1909 * config/arm/coff.h: Include aout.h.
1910 (MULTILIB_DEFAULTS): Only define if not already defined.
1912 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1913 into arm.h (so that COFF ports can support thumb based aliases).
1914 (ASM_SPEC): Move definition into arm.h
1916 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1917 redundant apcs spec.
1918 (ASM_SPEC): Move definition to arm.h
1920 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1922 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1923 for entries in the .bss section
1925 2000-03-23 Nick Clifton <nickc@cygnus.com>
1927 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1928 to thumb_far_jump_used_p.
1930 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1931 single integer parameter.
1933 * config/arm/arm.c (struct machine_function): Add two new
1934 fields, 'far_jump_used' and 'arg_pointer_live'.
1935 (thumb_far_jump_used_p): Once the decision has been made that
1936 far jumps might be used, always return true.
1937 If being called from the initial elimination offset macro then
1938 do not bother to perform the test if the arg pointer is not
1940 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
1941 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
1943 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
1945 * arm.c (output_return_instruction): Handle more cases where we can
1946 return from a function with an ldr instruction.
1947 (arm_output_epilogue): Likewise.
1949 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
1950 if we need to push a large stack frame and there are no callee-saved
1953 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
1954 in ARM code if the frame pointer has been eliminated.
1956 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
1957 unspec_volatile arguments to avoid duplicates.
1958 (consttable_1, consttable_2): Fixes for big-endian mode.
1960 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
1963 Re-write constant pool code.
1964 * arm.c (minipool_node, minipool_fix): New types.
1965 (minifix): Delete type.
1966 (arm_add_minipool_constant): Delete.
1967 (arm_compute_minipool_offsets, arm_find_barrier,
1968 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
1969 (get_jump_table_size): Now returns HOST_WIDE_INT.
1970 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
1972 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
1973 (assign_minipool_offsets, arm_print_value): Likewise.
1974 (dump_minipool): Rewrite.
1975 (arm_barrier_cost): New function.
1976 (create_fix_barrier): New function.
1977 (push_minipool_barrier): New function.
1978 (push_minipool_fix): Record additional information about the fixup
1980 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
1981 check the mode of what needs fixing.
1982 (arm_reorg): Rewrite.
1984 2000-03-08 Nick Clifton <nickc@cygnus.com>
1986 * config/arm/arm.md (indirect_jump): Force constant addresses into
1989 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
1991 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
1993 2000-02-24 Nick Clifton <nickc@cygnus.com>
1995 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
1996 adjust is word aligned.
1997 (thumb_expand_epilogue): Make sure that stack adjust is word
2000 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2002 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2004 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2005 pointer relative addresses.
2007 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2009 * arm.c (find_barrier): Find the last barrier within the allowed
2012 2000-02-09 Nick Clifton <nickc@cygnus.com>
2014 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2016 2000-02-09 Nick Clifton <nickc@cygnus.com>
2018 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2019 ARM_FUNCTION_PROFILER.
2021 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2022 ARM_FUNCTION_PROFILER.
2024 * config/arm/linux-oldld.h: Imported from mainline sources.
2026 2000-02-07 Nick Clifton <nickc@cygnus.com>
2028 * config/arm/lib1funcs.asm: Merge in thumb functions from
2031 * config/arm/lib1thumb.asm: Delete.
2033 2000-02-04 Nick Clifton <nickc@cygnus.com>
2035 * config/arm/arm.c: Sychronised with current Red hat local
2037 * config/arm/arm.h: Ditto.
2038 * config/arm/arm-protos.h: Ditto.
2040 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2042 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2044 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2047 2000-02-02 Nick Clifton <nickc@cygnus.com>
2049 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2051 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2052 (return) was emited using an emit_insn() call.
2054 2000-01-31 Nick Clifton <nickc@cygnus.com>
2056 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2058 (thumb_exit): Move frame pointer back into hard frame pointer
2059 register if backtracing is being used.
2061 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2063 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2066 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2068 * config/arm/arm.md (neg_pool_offset): Provide default for new
2070 (arm_movsi_insn): Add neg_pool_offset attribute.
2071 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2072 rtx for the insn that starts the scan and an unsigned long for its
2073 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2074 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2075 instructions in *PINSERTED.
2076 (struct minipool_fixup): Add MIN_ADDRESS elt.
2077 (sort_fixups): Compute it.
2078 (arm_reorg): Changes to support inserting pools before the insn to be
2081 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2083 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2084 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2085 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2087 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2089 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2091 (TARGET_DEFAULT): Do not define if already defined.
2093 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2095 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2096 (iordi3): Allow disjoint source operands.
2097 (xordi3): Allow disjoint source operands.
2098 (negdi2): Permit construction for ARM and Thumb.
2099 (arm_negdi2): Renamed version of old negdi2 pattern.
2100 (thumb_negdi2): New pattern: Only permit non-overlapping
2101 source and destination.
2103 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2105 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2106 scratch low register so that it will not be deleted.
2108 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2110 * config/arm/pe.h (ARM_PE): Define.
2112 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2113 interfacearm attribute if this is a PE toolchain.
2114 (output_return_instruction): Do not emit anything if the function
2115 has the naked attribute set.
2116 (is_called_in_ARM_mode): If the function has the interfacearm
2117 attribute then return true.
2118 (thumb_expand_prologue): Do not generate a prologue for naked
2120 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2122 (output_thumb_prologue): Do not bother if the function is naked.
2123 Strip PE encoding from function name before emitting.
2125 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2127 * arm.md (pic_load_addr): Fix constraints.
2129 * arm.md (casesi_insn): Fix mis-applied patch.
2131 * arm.md ("core" function unit): Add rules for single- and
2133 (All TARGET_THUMB patterns): Add "type" attribute information
2135 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2136 the following insn is a CALL.
2138 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2140 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2141 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2142 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2144 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2146 * config/arm/linux-gas.h: oops - this file was missed out when the
2147 branch was created...
2149 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2151 * thumb.c: Deleted. Move contents to ...
2153 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2155 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2158 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2159 declare a prototype for asm_output_align();
2161 * arm.c (thumb_condition_code): Delete.
2162 (arm_print_operand): Always use arm_condition_code array.
2164 * arm.c (thumb_return_addr_rtx): Delete.
2165 (arm_save_machine_status, arm_restore_machine_status): Delete.
2166 (arm_init_machine_status, arm_mark_machine_status): New functions.
2167 (arm_init_expanders): Update accordingly.
2168 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2169 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2170 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2172 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2174 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2176 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2179 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2181 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2182 stack backtrace structure.
2184 * config/arm/arm-protos.h: Add prototypes for functions defined in
2187 * config/arm/arm.c (arm_override_options): Fix selection of
2188 attributes of default processor.
2190 * config/arm/coff.h: Delete needless #include.
2192 * config/arm/pe.c: Delete unused code.
2194 * config/arm/pe.h (CPP_DEFINES): Delete
2195 (SUBTARGET_CPP_SPEC): Define.
2196 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2198 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2200 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2202 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2204 (CAN_DEBUG_WITHOUT_FP): Define.
2205 (FIXED_REGISTERS): Make r11 call-saved.
2206 (CALL_USED_REGISTERS): Likewise.
2207 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2208 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2209 frame-pointer is required.
2210 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2211 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2212 if the target normally needs a stack frame in non-leaf functions.
2213 (use_return_insn): Correct logic for determining when a return
2214 instruction can be used.
2215 (output_return_instruction): Handle the frame-pointer register as
2216 a normal register when not TARGET_APCS_FRAME.
2217 (arm_output_prologue): Likewise.
2218 (arm_output_epilogue): Likewise.
2219 (output_func_epilogue): Likewise.
2220 (arm_expand_prologue): Likewise.
2221 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2223 * arm.c (use_return_insn): No need to check floating point regs if
2225 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2226 the code of value stored in the minipool array.
2227 (arm_add_minipool_constant): Likewise.
2229 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2231 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2233 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2235 * tree.c (tree_expr_nonnegative_p): New function.
2237 * tree.h (tree_expr_nonnegative_p): Declare.
2239 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2240 elide some sign_compare warnings.
2241 (build_conditional_expr): Likewise.
2243 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2245 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2247 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2248 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2249 operand. Abort if a 387 operand has an unsupported size.
2251 2000-04-08 Neil Booth <NeilB@earthling.net>
2253 * cppexp.c (parse_charconst): Null does not end character
2255 * cppinit.c (ISTABLE): Null character handled as whitespace.
2256 * cpplex.c (null_warning): new function.
2257 (skip_string): Emit warning if nulls encountered.
2258 (_cpp_skip_hspace): Emit warning if nulls encountered.
2259 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2263 2000-04-07 Richard Henderson <rth@cygnus.com>
2265 * flow.c (loop_depth): Remove.
2266 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2267 (struct propagate_block_info): New.
2268 (life_analysis): Don't allocate reg_next_use.
2269 (propagate_block_delete_insn): Break out of propagate_block.
2270 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2271 (propagate_block_delete_libcall): Likewise.
2272 (propagate_block): Create a propagate_block_info struct to pass
2273 to subroutines. Allocate one not two temporary regsets. Don't
2274 clobber memory for const calls. Look for clobbers in
2275 CALL_INSN_FUNCTION_USAGE.
2276 (mark_set_regs): Recognize COND_EXEC.
2277 (mark_set_reg): Break out of mark_set_1.
2278 (mark_used_reg): Break out of mark_used_regs.
2279 (mark_used_regs): Recognize COND_EXEC.
2280 (insn_dead_p): Use propagate_block_info struct.
2281 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2282 (find_auto_inc, try_pre_increment_1): Likewise.
2283 (print_rtl_with_bb): Dump regs live at end too.
2284 (count_reg_sets_1): Pass in loop_depth.
2285 (count_reg_sets, count_reg_references): Likewise.
2286 (recompute_reg_usage): Provide it.
2288 2000-04-07 Richard Henderson <rth@cygnus.com>
2290 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2293 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2295 * cpplib.c (do_elif): Skip the rest of the line if we're
2296 not going to bother evaluating it.
2297 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2298 to avoid pointless calls to the lexer.
2300 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2302 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2304 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2306 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2308 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2310 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2312 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2314 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2315 crtend so they can be multilibbed.
2316 (STAGESTUFF): Remove s-crt and s-crtS.
2318 2000-04-07 Richard Henderson <rth@cygnus.com>
2320 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2321 if we discover we need a pseudo and no_new_pseudos is true.
2322 * config/alpha/alpha.md (ne:DI insn): New.
2323 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2325 2000-04-07 Richard Henderson <rth@cygnus.com>
2327 * rtl.def (COND_EXEC): New.
2328 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2329 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2331 * genconfig.c (have_cond_arith_flag): Remove.
2332 (have_cond_exec_flag): New.
2333 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2334 (main): Print HAVE_conditional_execution.
2336 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2337 (sched_analyze_insn, print_pattern): Likewise.
2338 * reload.c (find_equiv_reg): Likewise.
2339 * rtlanal.c (reg_referenced_p): Likewise.
2340 (note_stores, dead_or_set_regno_p): Likewise.
2341 (reg_overlap_mentioned_p): Rewrite to use a switch.
2343 * ggc.h (struct rtx_def): Forward declare.
2345 * print-rtl.c (debug_rtx_range): New.
2346 * rtl.h (debug_rtx_range): Declare.
2348 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2350 * gcse.c (gcse_main): Don't rebuild the CFG here.
2351 (delete_null_pointer_checks): Likewise.
2352 * ssa.c (convert_to_ssa): Likewise.
2353 * toplev.c (rest_of_compilation): Do it here instead. Combine
2354 sequential calls to TIMEVAR. Consistently use `insns' instead of
2355 `get_insns()'. Always split insns after reload when optimizing.
2357 * basic-block.h (merge_blocks_nomove): Declare.
2358 (tidy_fallthru_edge): Declare.
2359 * flow.c (merge_blocks_nomove): Document as merging into previous
2360 blocks. Remove cruft from between blocks; remove all edges out of A.
2361 (tidy_fallthru_edge): Export.
2363 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2365 * ssa.c (compute_conservative_reg_partition): Declare with
2367 * toplev.c (clean_dump_file): Remove previously-deleted function
2368 inadvertantly merged back in.
2369 * conflict.c (conflict_graph_add): Use a single call to
2370 htab_find_slot to look up and insert.
2372 2000-04-06 Richard Henderson <rth@cygnus.com>
2374 * genrecog.c (*): Rename _last_insn to last_insn.
2375 (make_insn_sequence): Set the position of the peephole2 C test
2376 to be at the last insn.
2378 2000-04-06 Richard Henderson <rth@cygnus.com>
2380 * flow.c (compute_flow_dominators): Free worklist.
2382 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2384 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2386 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2388 * rtl.h (INSN_P): New macro.
2389 (successor_phi_fn): New typedef.
2390 (for_each_successor_phi): New prototype.
2391 (in_ssa_form): New variable.
2392 (PHI_NODE_P): Likewise.
2393 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2394 phi nodes in successors.
2395 (mark_used_regs): Add PHI case.
2396 (set_phi_alternative_reg): New function.
2397 (life_analysis): Assert that dead code elimination is not selected
2399 * toplev.c (to_ssa_time): New variable.
2400 (from_ssa_time): Likewise.
2401 (compile_file): Zero to_ssa_time and from_ssa_time.
2402 Print time to convert to and from SSA.
2403 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2404 (print_time): Compute percent fraction as integer.
2405 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2406 (convert_to_ssa): Check if we're already in SSA.
2407 Don't eliminate dead code in life_analysis.
2408 Rerun flow and life analysis at bottom.
2409 (eliminate_phi): Use canonical regnos when adding nodes.
2410 (mark_reg_in_phi): New function.
2411 (mark_phi_and_copy_regs): Likewise.
2412 (convert_from_ssa): Rerun life analysis at top.
2413 Use coalesced partition.
2414 Check for removing a phi node at the end of the block.
2415 (compute_coalesced_reg_partition): New function.
2416 (coalesce_regs_in_copies): Likewise.
2417 (coalesce_reg_in_phi): Likewise.
2418 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2419 (for_each_successor_phi): Likewise.
2420 (rename_context): New struct.
2421 (rename_block): Use a rename_context with rename_insn_1. When
2422 renaming sets of a subreg, emit a copy of the entire reg first.
2423 (rename_insn_1): Treat data as a rename_context *. Save current
2425 (rename_set_data): Add field set_insn.
2426 * Makefile.in (HASHTAB_H): Move up in file.
2427 (OBSTACK_H): New macro.
2428 (collect2.o): Use OBSTACK_H in dependencies.
2429 (sdbout.o): Likewise.
2430 (emit-rtl.o): Likewise.
2431 (simplify-rtx.o): Likewise.
2432 (fix-header.o): Likewise.
2433 (OBJS): Add conflict.o.
2434 (conflict.o): New rule.
2435 * basic-block.h: Include partition.h.
2436 (conflict_graph): New typedef.
2437 (conflict_graph_enum_fn): Likewise.
2438 (conflict_graph_new): New prototype.
2439 (conflict_graph_delete): Likewise.
2440 (conflict_graph_add): Likewise.
2441 (conflict_graph_conflict_p): Likewise.
2442 (conflict_graph_enum): Likewise.
2443 (conflict_graph_merge_regs): Likewise.
2444 (conflict_graph_print): Likewise.
2445 (conflict_graph_compute): Likewise.
2446 * conflict.c: New file.
2448 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2450 * tlink.c (read_repo_files): Don't look for .rpo info for
2453 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2455 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2457 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2459 * config/sh/lib1funcs.asm (___udivsi3_i4):
2460 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2461 only depends on FMOVD_WORKS.
2463 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2465 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2466 make double constant 8-byte aligned.
2468 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2470 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2471 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2472 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2473 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2474 Accept storing GENERAL_REGS into offsetable memory.
2475 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2476 building a TFmode constant other than 0.0L into GENERAL_REGS.
2478 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2480 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2482 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2484 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2485 (macro_cleanup): No need to cast pbuf->macro.
2486 (collect_expansion): Use _cpp_get_define_token. Goto done if
2487 it returns VSPACE. Remove check for trailing space after
2489 (_cpp_create_definition): Don't diddle flags here. Return
2491 (unsafe_chars): Handle c1 being EOF.
2492 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2493 checks. Don't push the buffer till after we're done with
2495 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2496 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2497 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2499 (_cpp_parse_assertion): Don't NUL terminate.
2500 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2501 hspace before calling _cpp_parse_assertion. Remove all sets
2502 of only_seen_white. Treat '\f' as hspace. Don't do anything
2503 special with '\n' here.
2504 (maybe_macroexpand): Handle T_EMPTY hash entries without
2505 pushing a buffer at all.
2506 (cpp_get_token): Handle clearing only_seen_white here. Handle
2507 incrementing the line number here. Clear
2508 potential_control_macro as well as only_seen_white, if
2510 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2511 (_cpp_get_define_token): New function, basically like
2512 _cpp_get_directive_token was but doesn't eat horizontal space.
2513 Don't do anything with only_seen_white here.
2514 (_cpp_get_directive_token): Just call _cpp_get_define_token
2515 repeatedly till it returns non-hspace.
2517 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2518 (conditional_skip, skip_if_group): Return int.
2519 (DIRECTIVE_TABLE): Change origin of all conditional directives
2521 (TRAD_DIRECT_P): New macro.
2522 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2523 an error for a bogus directive, unless -lang-asm. Use
2524 TRAD_DIRECT_P. Loop calling handler functions till one returns
2526 (get_macro_name): Don't diddle flags here.
2527 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2528 Create T_EMPTY nodes for #define macro /* nothing */.
2529 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2530 Use hp->name when calling pass_thru_directive.
2531 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2532 Return the result of conditional_skip and/or skip_if_group.
2533 Don't call _cpp_output_line_command.
2534 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2535 Issue -Wtraditional warnings as appropriate. Don't complain
2536 about unrecognized directives. If we are to stop skipping,
2537 return the number of the directive that ended the skip.
2538 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2539 expansion and line commands while skipping. Return the result
2540 of consider_directive_while_skipping, if nonzero.
2541 (do_endif): Just set potential_control_macro here.
2542 (validate_else): Use _cpp_get_directive_token.
2543 (do_assert, do_unassert): Don't save pointers into the
2544 token_buffer across calls to the lexer. Use
2545 _cpp_get_directive_token.
2547 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2548 pointer, not an offset. Replace 'data', which was a generic
2549 pointer, with 'macro', which points to a struct hashnode.
2550 (cpp_reader): Add 'potential_control_macro' pointer.
2551 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2552 (CPP_BUF_GET, CPP_FORWARD): Delete.
2553 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2554 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2555 ACTIVE_MARK_P): Update.
2556 (_cpp_get_define_token): New internal function.
2557 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2559 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2561 * configure.in: And here.
2562 * configure: Regenerate.
2563 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2564 --enable-libstdcxx-v3 is passed at configure time.
2565 * config.h.in: Regenerate.
2567 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2569 * final.c (final): Use xcalloc to allocate line_note_exists.
2570 * function.c (free_after_compilation): Free the temp_slots.
2571 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2572 (combine_temp_slot): Free temp_slots when they get combined.
2573 (purge_addressof): Fix typo in comment.
2574 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2575 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2577 * ggc.h: Include varray.h.
2578 (ggc_pending_trees): Declare.
2579 (ggc_mark_tree_children): Remove declaration.
2580 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2581 * ggc-common.c (ggc_pending_trees): New variable.
2582 (ggc_mark_roots): Call ggc_mark_trees.
2583 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2584 the ggc_pending_trees.
2585 * Makefile.in (GGC_H): New variable. Use it throughout in place
2588 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2590 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2593 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2595 * sh.c (sh_insn_length_adjustment): New function.
2596 * sh-protos.h (sh_insn_length_adjustment): Declare.
2597 * sh.h (ADJUST_INSN_LENGTH): Use it.
2599 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2601 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2602 from the insn where REG_RETVAL is added.
2603 (emit_no_conflict_block): Ditto.
2605 * md.texi (Standard Names): Clarify when movX is needed.
2607 * combine.c (simplify_comparison) [MINUS]: Do not replace
2608 all (op (minus A B) 0) with (op A B).
2610 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2611 J"orn Rennecke <amylaar@cygnus.co.uk>
2613 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2614 (block_lump_real): Likewise.
2616 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2618 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2619 remaining non-zero debugging masks.
2621 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2623 * basic-block.h (verify_flow_info): Declare.
2624 (flow_loop_outside_edge_p): Declare.
2625 * flow.c (verify_flow_info): Remove declaration.
2626 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2628 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2630 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2633 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2635 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2636 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2637 seqdi_zero_trunc+1): Allow splits only if registers are
2640 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2642 * acconfig.h: Add HAVE_GAS_HIDDEN.
2643 * config.in: Regenerated.
2644 * configure.in: Add test for .hidden pseudo-op in gas.
2645 * configure: Regenerated.
2646 * crtstuff.c: Include auto-host.h.
2647 Emit additional .hidden pseudo-op for __dso_handle if the
2648 assembler knows about it.
2650 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2652 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2653 before freeing argnames.
2654 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2656 2000-04-05 Michael Meissner <meissner@redhat.com>
2658 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2659 Walton <jonboy@gordian.com> to make memory references with update
2660 work wtih -mregnames.
2662 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2664 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2665 (regrename_optimize): Rename variables `def_uses' and
2666 `ext_basic_blocks' to avoid conflicts with similarly named
2667 typedefs in traditional C.
2669 * calls.c (initialize_argument_information): Fix typo in previous
2672 2000-04-04 Richard Henderson <rth@cygnus.com>
2674 * regrename.c (consider_available): Test fixed_regs not
2675 PIC_OFFSET_TABLE_REGNUM.
2677 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2679 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2681 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2682 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2683 (ENDFILE_LINUX_SPEC): Always use crtend.
2684 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2685 (powerpc-*-linux-gnu): Likewise.
2686 * configure: Regenerate.
2688 * config/rs6000/eabi.h: Don't include sysv4.h.
2689 (MULTILIB_DEFAULTS): Don't define.
2690 * config/rs6000/eabiaix.h: Don't include eabi.h.
2691 * config/rs6000/eabile.h: Delete.
2692 * config/rs6000/eabilesim.h: Delete.
2693 * config/rs6000/eabisim.h: Don't include eabi.h.
2694 * config/rs6000/linux.h: Don't include sysv4.h.
2695 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2696 (MULTILIB_DEFAULTS): Don't redefine.
2697 * config/rs6000/rtems.h: Don't include eabi.h.
2698 * config/rs6000/sol2.h: Don't include sysv4le.h.
2699 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2700 * config/rs6000/t-ppc: Delete.
2701 * config/rs6000/t-ppcgas: Correct comment.
2702 * config/rs6000/t-ppcos: Correct comment. Don't build
2703 multilibs for -fPIC, rather use -fPIC -mstrict-align
2705 * config/rs6000/t-ppc: Delete.
2706 * config/rs6000/vxppc.h: Don't include sysv4.h.
2707 * config/rs6000/vxppcle.h: Delete.
2708 * configure.in: Use multiple header files for p2pc ELF targets
2709 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2710 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2711 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2712 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2713 always available for these platforms.
2715 2000-04-04 Richard Henderson <rth@cygnus.com>
2717 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2719 2000-04-04 Stan Cox <scox@cygnus.com>
2721 * Makefile.in: Add rules for regrename.o
2722 * regrename.c: New file.
2723 * rtl.h (regrename_optimize): Add prototype.
2724 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2725 (compile_file, decode_d_option): Add support for -frename-registers.
2726 (rest_of_compilation): Call regrename_optimize.
2727 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2730 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2732 * Makefile (gccbug): New target.
2733 (doc): Depend on it.
2734 * gcc.texi (Bugs): Link subnodes.
2736 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2737 Document severities, priorities, and classes in bug form.
2739 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2741 * cpplex.c (trigraph_map, speccase): Combine into single
2743 (NORMAL, NONTRI): New macros.
2744 (_cpp_read_and_prescan): Change to use unified table. Use
2745 is_hspace to test for whitespace.
2747 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2748 definition that doesn't provoke the "empty body in an
2749 if-statement" warning.
2751 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2753 * builtins.c (expand_builtin_strlen): Force the source to
2754 be a memory address.
2756 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2758 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2760 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2762 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2763 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2764 (ECF_IS_CONST): Rename to ECF_CONST.
2765 (special_function_p): Make static, change interface.
2766 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2767 (expand_call) ... here; convert number of variables to flags.
2768 (emit_library_call_vlue_1): Likewise.
2769 (setjmp_call_p): New function.
2770 (initialize_argument_information): Accepts flags as argument;
2772 (precompute_arguments): Likewise.
2773 * tree.h (special_function_p): Remove.
2774 (setjmp_call_p): Add prototype.
2776 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2778 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2779 so that addresses are offsetable by up to 16 bytes.
2780 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2781 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2784 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2785 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2786 (movsf): Don't force any constant to memory if target is integer
2788 Move fp_zero_operand check below the const0_rtx check.
2789 (movtf): Likewise. Also allow fp_zero_operand for stores into
2791 (movdf): Likewise. Also allow fp_zero_operand for stores into
2792 memory and into integer hard registers.
2793 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2794 movdf_const_intreg_sp64): Remove.
2795 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2797 (movdf_no_e_insn_v9_sp32): New pattern.
2798 (movdf_insn_v9only): Remove.
2799 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2800 (movdf_insn_sp64): Remove.
2801 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2802 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2803 (following splits): Rewrite conditions. Add two new splits
2804 for storing 0.0 into memory and registers.
2805 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2806 (movtf_insn_sp32): Redo constraints and conditions.
2807 (movtf_insn_vis_sp32): New pattern.
2808 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2809 (movtf_insn_hq_sp64): Likewise.
2810 (movtf_insn_hq_vis_sp64): New pattern.
2811 (movtf_insn_sp64): Redo constraints and conditions.
2812 (movtf_insn_vis_sp64): New pattern.
2813 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2814 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2816 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2817 -mvis or -m64 to take down the number of various reload patterns.
2819 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2821 * pa/pa-64.h: New file.
2822 * pa/pa64-regs.h: New file.
2823 * pa/pa64-start.h: New file.
2824 * pa/t-pa64: New file.
2825 * pa/xm-pa64hpux.h: New file.
2827 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2829 * sparc.c (output_restore_regs): Prototype.
2830 (sparc_emit_float_lib_cmp): Constification.
2832 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2834 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2837 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2838 (get_value_hash, hash_rtx): Likewise.
2840 * ssa.c (compute_conservative_reg_partition): Prototype.
2842 * tree.c (mark_hash_entry): Prototype.
2844 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2846 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2847 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2848 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2850 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2851 * objc/lang-specs.h: Likewise.
2853 2000-04-03 Neil Booth <NeilB@earthling.net>
2855 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2856 and SYNTAX_ERROR2. Replace `' in messages with ''.
2857 (op_to_str): Make re-entrant.
2858 (_cpp_parse_expr): Implement new error macros. Use | rather
2859 than || to logically or 2 boolean integers. Simply expression
2860 checking we have a left operand iff needed.
2862 2000-04-03 Nick Clifton <nickc@cygnus.com>
2864 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2866 2000-04-03 Philip Blundell <philb@gnu.org>
2868 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2870 2000-04-03 Felix Lee <flee@cygnus.com>
2872 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2873 (run_shell): Use it.
2875 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2877 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2878 (stmp-fixproto): ...rather than here.
2880 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2882 * pa.c (print_operand): Compute 'base' only inside the code paths
2885 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2887 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2890 2000-04-03 Philipp Thomas <pthomas@suse.de>
2892 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2894 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2896 * Makefile.in (alias.o): Depend on $(TREE_H).
2898 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2900 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2902 * cpplib.c (_cpp_handle_directive): Improve warnings for
2903 traditional C and indented directives.
2905 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2906 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2907 fixinc/inclhack.def: Indent the # of #include_next one space.
2908 * cp/rtti.c: Un-indent #if and #endif.
2910 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2911 syntax error, but an error has already been printed.
2912 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2913 message when called with nothing remaining on the line.
2914 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2915 OTHER token, not an ASSERTION.
2916 * cpplib.c (do_assert): When we create a 'base' node, clear
2917 its aschain pointer.
2919 2000-04-02 Neil Booth <NeilB@earthling.net>
2921 * cppexp.c: New typedef op_t. struct operation and struct
2922 token updated to use it.
2923 (op_to_str): New function.
2924 (_cpp_parse_expr): Error messages modified to use op_to_str.
2926 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2928 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2929 before checking MUST_PASS_IN_STACK.
2931 2000-04-02 Neil Booth <NeilB@earthling.net>
2933 * cppexp.c: New FINISHED dummy token. Combine operator initial
2934 flags and initial priority into a single constant. New
2935 EQUALITY macro. New operator flag SHORT_CIRCUIT.
2936 (_parse_cpp_expr): Implement new constants. Take left operand
2937 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
2938 parse indicated by reducing FINISHED token. Remove new lines
2939 from cpp_error messages.
2941 2000-04-01 Mark Mitchell <mark@codesourcery.com>
2943 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
2946 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
2948 * cpplib.c: Include symcat.h. Add 'origin' field to struct
2949 directive. Add origin values to DIRECTIVE_TABLE. Generate
2950 the strings and function names on the fly. Take the #sccs
2951 entry out of the table if SCCS_DIRECTIVE is not defined.
2952 (_cpp_handle_directive): Decide if the # was at the beginning
2953 of the line here. Issue -pedantic warnings for extended
2954 directives here. Warn about K+R directives with the #
2955 indented, and C89/extended directives with the # not indented,
2957 (do_import, do_include_next, do_warning, do_ident, do_sccs,
2958 do_assert, do_unassert): Don't issue pedantic warning here.
2960 * cpphash.h: Add CPP_WTRADITIONAL macro.
2961 * cpplib.h (struct cpp_options): Rename warn_stringify to
2962 warn_traditional; update comments.
2963 * cppinit.c (handle_option): Set warn_traditional not
2965 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
2966 CPP_WTRADITIONAL (pfile).
2967 * cpplex.c (_cpp_lex_token): Don't decide if directives should
2968 be ignored in -traditional mode here.
2970 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
2971 to initialize speccase[] and trigraph_map[]. Delete all
2972 references to pfile->input_speccase. Always treat '?' as a
2973 special character. Remove table-initialization code from
2974 _cpp_init_input_buffer.
2976 * cpplib.h (struct cpp_reader): Remove input_speccase field.
2977 * cppinit.c (cpp_cleanup): Don't free input_speccase.
2979 2000-04-01 Richard Henderson <rth@cygnus.com>
2981 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
2982 (mostlyclean): Likewise.
2984 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
2985 (struct dump_file_info, enum dump_file_index, dump_file): New.
2986 (open_dump_file): Take a dump_file_index not a suffix, and a decl
2987 not a string. Clean out file if we havn't yet done so. Do nothing
2988 if the dump isn't enabled.
2989 (close_dump_file): Do nothing if the dump isn't open. Dump
2990 graph data if requested.
2991 (dump_rtl, clean_dump_file): Remove.
2992 (compile_file): Don't clean the dump files. Only finalize .bp dump
2993 if flag_test_coverage or flag_branch_probabilities. Only finalize
2994 .combine dump if optimizing. Iterate over dump_file to finalize the
2996 (rest_of_compilation): Update for open_dump_file/close_dump_file.
2997 Convert all uses of dump_rtl.
2998 (decode_d_option): Iterate over dump_file to implement 'a' and to
2999 locate pass-specific dumps.
3001 2000-04-01 Neil Booth <NeilB@earthling.net>
3003 * cppexp.c: Redefine priority constants.
3004 (_cpp_parse_expr): Replace left and right priority scheme with
3005 single priority logic. Move LOGICAL to same place as COMPARE.
3006 Remove bogus check for multiple unary +/- operators.
3008 2000-04-01 Neil Booth <NeilB@earthling.net>
3010 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3011 within the switch statement. Binary operations break out of
3012 the switch naturally. '(' tokens handled by forcing
3013 immediate shift. ')' handled by forcing immediate reduce to
3014 the previous '('. New error messages.
3016 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3018 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3019 part', it's already in use. Use %K instead. Add a return at the
3020 end of what is now %K.
3021 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3023 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3025 * builtins.c (expand_builtin_apply): Pass proper parameters to
3026 allocate_dynamic_stack_space.
3027 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3028 update stack_pointer_delta; do not update arg_size_so_far.
3029 (compute_argument_block_size): Use stack_delta instead of
3030 stack_pointer_pending and arg_size_so_far.
3031 (expand_call): Add sanity checking for stack_pointer_delta;
3032 save and restore stack_pointer_delta for SIB, use
3033 stack_pointer_delta for alignment; do not update arg_space_so_far.
3034 (emit_library_call_value): Use stack_pointer_delta for alignment.
3035 (store_one_arg): Do not update arg_space_so_far.
3036 * explow.c (adjust_stack, anti_adjust_stack): Update
3037 stack_pointer_delta.
3038 (allocate_dynamic_stack_space): Add sanity checking for
3039 stack_pointer_delta.
3040 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3041 stack_pointer_delta.
3042 (emit_push_insn): Update stack_pointer_delta.
3043 * function.h (struct expr_status): Add x_stack_pointer_delta;
3044 remove x_arg_space_so_far.
3045 (arg_space_so_far): Remove.
3046 (stack_pointer_delta): New macro.
3048 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3050 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3051 Reorder struct cpp_options and struct cpp_reader for better
3052 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3053 takes two args. Change all 'char' flags to 'unsigned char'.
3054 Move show_column flag into struct cpp_options. Don't
3055 prototype cpp_options_init.
3056 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3057 cppinit.c, cpplex.c, cpplib.c:
3058 Replace CPP_OPTIONS (pfile)->whatever with
3059 CPP_OPTION (pfile, whatever), and likewise for
3060 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3062 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3063 Extract CPP_OPTION (pfile, pending) and work with that
3065 (cpp_options_init): Delete.
3066 (cpp_reader_init): Turn on on-by-default options here.
3067 Allocate the pending structure here.
3068 (cl_options, enum opt_code): Define these from the same table,
3069 kept in a large macro. Add -fshow-column and -fno-show-column
3072 * cpperror.c (v_message): If show_column is off, don't print
3075 * cppmain.c: Update for new interface.
3076 * fix-header.c: Likewise.
3078 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3080 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3082 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3083 are passed to any invocation of AR_FOR_TARGET.
3084 (AR_CREATE_FOR_TARGET): New macro.
3085 (AR_EXTRACT_FOR_TARGET): New macro.
3086 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3087 AR_EXTRACT_FOR_TARGET.
3088 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3089 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3090 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3091 AR_EXTRACT_FOR_TARGET to sub-makes.
3093 2000-03-31 Neil Booth <NeilB@earthling.net>
3095 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3097 (_cpp_parse_expr): Check for multiple unary +/- operators.
3098 Correct priorities of ':' and '?'. Treat ')' as having a
3099 value. Ensure conditional expression is not void.
3101 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3103 * alias.c (canon_rtx): Make it global.
3104 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3106 * cse.c (struct table_elt): Add canon_exp.
3108 (invalidate): Canonicalize expressions only once.
3109 * rtl.h (canon_rtx): Declare.
3111 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3113 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3114 * alias.c (reg_known_value): Add comments.
3115 (init_alias_analysis): Likewise.
3116 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3118 (cse_basic_block): Fix typo in comment.
3119 * emit-rtl.c: Include hashtab.h.
3120 (const_int_htab): New variable.
3121 (const_int_htab_hash): New function.
3122 (const_int_htab_eq): Likewise.
3123 (rtx_htab_mark_1): Likewise.
3124 (rtx_htab_mark): Likewise.
3125 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3126 (unshare_all_rtx): Fix formatting.
3127 (init_emit_once): Initialize const_int_htab.
3128 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3130 * rtl.texi: Document the fact that all CONST_INTs with the same
3133 2000-03-30 Richard Henderson <rth@cygnus.com>
3135 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3137 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3139 * configure.in: Comment out --enable-c-cpplib stanza.
3140 * configure: Regenerate.
3142 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3144 * expr.c (store_constructor): Properly compute displacement and
3145 alignment when offset is variable.
3147 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3148 cases of alignment in bytes.
3150 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3152 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3153 since it is used to generate c-parse.y.
3154 * objc-parse.c, objc-parse.y: Regenerated.
3156 * function.c (expand_function_end): Pass alignment argument to
3157 emit_block_move in bits, not bytes.
3159 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3161 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3164 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3166 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3167 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3168 * function.c (assign_parms): Likewise.
3169 * integrate.c (expand_inline_function): Likewise.
3170 * stmt.c (expand_decl): Likewise.
3171 (copy_rtx_and_substitute): Likewise.
3172 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3173 (clear_by_pieces): Fix error in last change.
3174 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3175 * function.h (regno_pointer_align): Now unsigned.
3176 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3178 * config/i386/i386.c (aligned_operand): Likewise.
3179 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3180 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3181 (unaligned_memory_operand): Likewise.
3182 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3183 Also make alignments and sizes unsigned and some whitespace cleanup.
3184 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3186 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3187 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3188 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3189 (expand_builtin_memset): Likewise, but to clear_storage.
3190 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3191 (restore_fixed_argument_area): Likewise.
3192 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3193 (load_register_parameters): Likewise, to emit_group_load.
3194 (expand_call): Likewise, to emit_group_store and emit_block_move.
3195 (emit_library_call_value_1): Likewise, to emit_block_move.
3196 (store_one_arg): Likewise, and to emit_push_insn.
3197 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3198 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3199 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3200 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3201 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3202 (expand_assigment, store_expr, store_constructor_field): Likewise.
3203 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3204 (store_constructor, store_field, get_inner_reference): Likewise.
3205 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3206 (expand_expr, case COMPONENT_REF): Likewise.
3207 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3208 and positions; reindent code.
3209 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3210 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3211 (assign_parms): Likewise to emit_group_store.
3212 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3213 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3214 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3215 (expand_return): Likewise to {extract,store}_bit_field.
3216 * stor-layout.c (get_mode_alignment): Minor cleanup.
3217 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3218 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3220 2000-03-29 Nick Clifton <nickc@cygnus.com>
3222 * config/arm/arm.h: Undo effects of previous delta:
3223 (ASM_SPEC): Do not define.
3224 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3226 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3229 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3231 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3232 only after reading in the primary source file.
3234 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3236 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3237 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3238 or a reference to a va_list.
3239 * builtins.c (stabilize_va_list): Simplify now we don't have to
3240 work around C array address decay.
3241 * c-typeck.c (convert_for_assignment): Handle assignment to
3242 a reference parameter by taking the address of the RHS.
3243 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3244 (va_copy): Likewise.
3245 (__va_copy): Likewise.
3246 * ginclude/varargs.h (va_start): Likewise.
3247 (__va_copy): Likewise.
3249 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3251 * i386/djgpp.h: Remove extraneous "+".
3253 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3255 * calls.c (expand_call): Fix typo in last change.
3257 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3259 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3262 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3264 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3265 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3266 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3267 * tree.c (bit_position, byte_position): Likewise.
3268 * tree.h: Declare new functions.
3270 2000-03-29 Nick Clifton <nickc@cygnus.com>
3272 * config/arm/arm.c: Minor formatting changes/
3273 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3275 (ASM_SPEC): Define if not already defined.
3277 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3279 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3282 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3284 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3285 value, don't output it as unsigned.
3287 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3289 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3291 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3293 * c-common.c (c_common_nodes_and_builtins): Don't special case
3294 cplus_mode when declaring builtin bzero/bcmp, always avoid
3295 prototype arguments.
3297 2000-03-29 Bruce Korb <bkorb@gnu.org>
3299 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3302 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3304 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3305 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3306 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3307 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3308 (save_fixed_argument_area, restore_fixed_argument_area):
3309 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3310 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3311 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3312 (precompute_register_parameters): Avoid #ifdefs on
3313 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3314 (stire_one_args): Likewise.
3315 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3316 (emit_library_call_value_1): Likewise.
3317 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3318 ACCUMULATE_OUTGOING_ARGS.
3319 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3321 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3322 (use_crosses_set_p): Likewise.
3323 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3324 #define ACCUMULATE_OUTGOING_ARGS 1.
3325 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3327 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3329 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3330 (TARGET_SWITCHES): Add push-args, no-push-args,
3331 accumulate-outgoing-args and no-accumulate-outgoing-args.
3332 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3333 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3334 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3336 (emit_push_insn): Likewise.
3337 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3338 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3339 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3340 (STACK_DYNAMIC_OFFSET): Define correctly for both
3341 ACCUMULATE_OUTGOING_ARGS and normal mode.
3342 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3343 * tm.texi (PUSH_ARGS): Document.
3344 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3346 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3348 * flags.h (flag_optimize_sibling_calls): Declare.
3349 * calls.c (expand_call): Fail sibcall when
3350 !flag_optimize_sibling_calls
3351 * invoke.texi (flag_optimize_sibling_calls): Document.
3352 * toplev.c (flag_optimize_sibling_calls): New global variable.
3353 (f_options): Add flag_optimize_sibling_calls.
3354 (rest_of_compilation): Conditionize
3355 optimize_sibling_and_tail_recursive_calls by
3356 flag_optimize_sibling_calls.
3357 (main): Set flag_optimize_sibling_calls for -O2.
3358 * stmt.c (expand_return): Conditionize tail recursion by
3359 flag_optimize_sibling_calls.
3361 2000-03-29 Richard Henderson <rth@cygnus.com>
3363 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3364 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3366 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3368 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3370 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3372 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3374 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3375 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3376 * config/rs6000/aix.h: then modified likewise.
3378 2000-03-28 Richard Henderson <rth@cygnus.com>
3380 * rtl.h: Redistribute enum reg_note documentation.
3381 Kill trailing whitespace.
3382 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3383 Kill trailing whitespace.
3385 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3387 * cppfiles.c (hash_IHASH): Just return i->hash.
3388 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3389 htab_find_with_hash.
3390 (cpp_read_file): Likewise.
3391 (find_include_file): Likewise. Properly initialize
3392 ih->nshort. Share ih->name and ih->nshort if possible.
3393 * cpphash.c (_cpp_calc_hash): New function.
3394 (hash_HASHNODE): Just return h->hash.
3395 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3396 htab_find_with_hash.
3397 * cpphash.h: Prototype _cpp_calc_hash.
3398 * cppinit.c (initialize_builtins): Provide a valid hash
3399 to _cpp_make_hashnode, using _cpp_calc_hash.
3401 * cpphash.c (collect_expansion): # is not a special character
3402 in object-like macros. In -traditional mode, /**/ is not
3403 token paste at the beginning or end of the line.
3404 * cpplib.c (do_include, do_import, do_include_next): If
3405 parse_include fails, return immediately.
3407 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3409 * config/arm/arm.md (return peepholes): Update to reflect the new
3411 * config/arm/arm.c (arm_volatile_func): Also check
3412 current_function_nothrow.
3413 (output_return_instruction, output_func_prologue): Use it.
3414 (arm_output_epilogue, arm_expand_prologue): Likewise.
3416 2000-03-27 Tom Tromey <tromey@cygnus.com>
3418 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3421 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3423 * expr.c (store_constructor): SIZE now signed.
3424 For EXPR_SIZE, don't evaluate size; just needed if constant.
3425 * fold-const.c (fold): Fix a number of cases when folded tree is
3427 * function.c (flush_addressof): Reenable.
3428 * tree.h (flush_addressof): Likewise.
3429 * toplev.c (independent_decode_option): Look at strings_processed.
3430 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3432 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3434 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3435 Allow stack adjustment after function call.
3437 * regmove.c (struct csa_memlist): Make mem field rtx *.
3438 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3439 (try_apply_stack_adjustment): Replace whole MEM rtx.
3440 (combine_stack_adjustments_for_block): Update calls
3441 to record_one_stack_ref.
3443 2000-03-28 Neil Booth <NeilB@earthling.net>
3445 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3446 '\\' rather than a null character, so nulls are not special. Fix
3447 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3448 speed trigraph conversion.
3449 (_cpp_init_input_buffer): Initialize trigraph map.
3451 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3453 * config/i386/i386.c (output_387_binary_op): Correct intel
3454 mode assembly output, and add spaces after commas in AT&T
3455 output. Correct Unixware assembler comment. Document input
3456 constraints. Comment fp operations. Reduce profligate buffer
3457 size. Remove extraneous abort. Localize temp var.
3458 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3459 (output_fix_trunc): Add spaces after commas in assembly output.
3461 2000-03-27 Richard Henderson <rth@cygnus.com>
3463 * i386-protos.h (ix86_match_ccmode): Declare.
3464 * i386.c (ix86_match_ccmode): New.
3465 (ix86_expand_fp_compare): Update for pattern renames.
3466 (ix86_expand_strlensi_unroll_1): Likewise.
3467 * i386.h (EXTRA_CC_MODES): Add CCZ.
3468 (SELECT_CC_MODE): Use it for EQ/NE zero.
3469 * i386.md (cmpsi_ccz_1): New.
3471 (*testsi_ccz_1): New.
3472 (testqi_ccz_1): New.
3473 (cmpsi_ccno_1): Rename from cmpsi_0.
3474 (testsi_ccno_1): Rename from testsi_1.
3475 (testqi_ccno_1): Rename from testqi_1.
3476 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3477 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3478 (*cmphi_0): Use ix86_match_ccmode.
3479 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3480 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3481 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3482 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3483 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3484 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3485 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3486 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3487 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3488 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3489 (appropriate peepholes): Likewise.
3490 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3491 (*subsi_3, *subhi_3, *subqi_3): Remove.
3492 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3493 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3494 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3495 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3496 (x86_shift_adj_1): Use CCZ.
3497 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3499 2000-03-27 Stan Cox <scox@cygnus.com>
3501 * resource.h (mark_resource_type): New.
3502 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3503 find_free_register): Use mark_resource_type.
3504 (mark_set_resources): Change include_delayed_effects
3505 to mark_resource_type.
3506 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3507 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3508 Use mark_resource_type.
3510 2000-03-27 Richard Henderson <rth@cygnus.com>
3512 * i386.md (call_pop_0, call_value_pop_0): New.
3513 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3514 (call_value_pop_1): Likewise.
3515 (call_0, call_value_0): New.
3516 (call_1, call_value_1): Remove constraint from unused arg.
3518 2000-03-27 Nick Clifton <nickc@cygnus.com>
3520 * invoke.texi (Spec Files): Document new spec % command created by
3521 Tom Tromey's recent patch.
3523 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3525 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3528 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3530 * expr.c (expand_assignment): Fix typo in last change.
3532 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3534 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3536 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3537 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3538 and DECL_INLINE if FUNCTION_DECL.
3539 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3540 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3541 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3542 (combine_parm_decls): Likewise.
3543 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3544 * print-tree.c (print_node): Likewise.
3545 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3546 DECL_TRANSPARENT_UNION on proper decl types.
3547 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3548 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3549 DECL_BIT_FIELD of FIELD_DECL.
3550 * tree.h (DECL_RESULT_FLD): New macro.
3552 * expr.c (expand_assignment): Add code to handle variable-sized
3555 2000-03-26 Richard Henderson <rth@cygnus.com>
3557 * calls.c (expand_call): Pass parms not original exp to
3558 optimize_tail_recursion. Mind return value instead of looking
3560 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3561 call_expr. Move checks for call_expr and current_function_decl ...
3562 (expand_return): ... here.
3564 2000-03-26 Tom Tromey <tromey@cygnus.com>
3566 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3567 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3569 (process_command): Use them.
3570 (check_live_switch): Likewise.
3571 (give_switch): Skip ignored switches.
3573 2000-03-26 Jan Hubicka <jh@suse.cz>
3575 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3576 for minimal jump pass test.
3578 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3580 * integrate.c (function_cannot_inline_p): Do inline functions that
3583 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3585 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3586 now a list of TREE_LIST entries, not types.
3587 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3589 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3590 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3592 * config/mips/mips.c (function_arg): Likewise; also remove cast
3593 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3594 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3595 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3596 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3597 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3598 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3599 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3600 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3601 num_adjusts now unsigned.
3602 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3603 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3605 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3606 as is BITPOS variable; use host_integerp and int_bit_position.
3607 (function_arg_record_value_2): Likewise.
3608 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3609 Variable REGNO now unsigned.
3610 (function_arg_record_value): NREGS now unsigned.
3612 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3614 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3616 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3618 * Rework fields used to describe positions of bitfields and
3619 modify sizes to be unsigned and use HOST_WIDE_INT.
3620 * alias.c (reg_known_value_size): Now unsigned.
3621 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3622 (really_start_incremental_init): Use bitsize_zero_node.
3623 (push_init_level, pop_init_level, output_init_element): Likewise.
3624 Use bitsize_unit_node and bitsize_one_node.
3625 (output_pending_init_elements, process_init_element): Likewise.
3626 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3627 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3628 HOST_WIDE_INT, respectively.
3629 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3630 (num_sign_bit_copies): Returns unsigned.
3631 BITWIDTH now unsigned; rework arithmetic.
3632 Remove recursive call from arg to MAX.
3633 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3634 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3636 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3637 (find_split_point, expand_compound_operation, make_extraction): LEN
3638 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3639 (make_field_assignment): Likewise.
3640 (combine_simplify_rtx): Add cast.
3641 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3642 (force_to_mode): WIDTH now unsigned; add cast.
3643 (if_then_else_cond): SIZE now unsigned.
3644 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3645 (extended_count): Now returns unsigned.
3646 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3647 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3648 (simplify_comparison): MODE_WIDTH now unsigned.
3649 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3650 (mark_used_regs_combine): Likewise; rework arithmetic.
3651 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3652 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3653 (record_promoted_value): REGNO now unsigned.
3654 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3655 (get_last_value): REGNO now unsigned.
3656 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3657 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3658 (remove_death): Arg REGNO now unsigned.
3659 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3660 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3662 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3663 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3664 (struct cse_reg_info): REGNO now unsigned.
3665 (cached_regno): Now unsigned.
3666 (REGNO_QTY_VALID_P): Add cast.
3667 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3668 (remove_invalid_regs): Likewise.
3669 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3670 as are variables END and I.
3671 (get_cse_reg_info, insert): Likewise.
3672 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3673 (canon_hash): Likewise.
3674 (insert_regs, lookup_for_remove): REGNO now unsigned.
3675 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3677 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3678 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3679 * emit-rtl.c (subreg_realpart_p): Add cast.
3680 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3681 (operand_subword_force): Arg I is now unsigned.
3682 * except.c (eh_regs): Variable I is now unsigned.
3683 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3684 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3685 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3686 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3687 (extract_split_bit_field, store_bit_field, extract_bit_field):
3689 * expr.c (store_constructor_fields, store_constructor, store_field):
3690 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3691 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3692 (do_jump): Likewise.
3693 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3694 MAX_SIZE is now unsigned.
3695 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3696 (emit_group_store): Likewise.
3697 (emit_move_insn): I now unsigned.
3698 (store_constructor): Use host_integerp, tree_low_cst, and
3700 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3701 Rework all calculations to use trees and new fields.
3702 * expr.h (promoted_input_arg): Regno now unsigned.
3703 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3704 (mark_seen_cases): Arg is HOST_WIDE_INT.
3705 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3706 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3707 precisions and alignments are unsigned.
3708 (optimize_bit_field_compare, fold_truthop): Likewise.
3709 (int_const_binop): Adjust threshold for size_int_type_wide call.
3710 (fold_convert): Likewise.
3711 (size_int_type_wide): Make table larger and fix thinko that only
3712 had half of table used.
3713 (all_ones_mask_p, fold): Precisions are unsigned.
3714 * function.c (put_reg_info_stack): REGNO is unsigned.
3715 (instantiate_decl): Size is HOST_WIDE_INT.
3716 (instantiate_virtual_regs): I is unsigned.
3717 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3718 (promoted_input_arg): REGNO is unsigned.
3719 * function.h (struct function): x_max_parm_reg is now unsigned.
3720 * gcse.c (max_gcse_regno): Now unsigned.
3721 (struct null_pointer_info): min_reg and max_reg now unsigned.
3722 (lookup_set, next_set): REGNO arg now unsigned.
3723 (compute_hash_table): REGNO and I now unsigned.
3724 (handle_avail_expr): regnum_for_replacing now unsigned.
3725 (cprop_insn): REGNO now unsigned.
3726 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3727 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3728 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3729 * hard-reg-set.h (reg_class_size): Now unsigned.
3730 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3731 * jump.c (mark_modified_reg): I now unsigned; add cast.
3732 (rtx_equal_for_thread_p): Add cast.
3733 * loop.c (max_reg_before_loop): Now unsigned.
3734 (struct_movable): REGNO now unsigned.
3735 (try_copy_prop): REGNO arg unsigned.
3736 (regs_match_p): XN and YN now unsigned.
3737 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3738 (strength_reduce): Likewise; NREGS also unsigned.
3739 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3740 * loop.h (struct iv_class): REGNO now unsigned.
3741 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3743 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3744 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3745 * optabs.c (expand_binop): I and NWORDS now unsigned.
3746 (expand_unop): I now unsigned.
3747 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3748 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3749 * real.c (significand_size): Now returns unsigned.
3750 * real.h (significand_size): Likewise.
3751 * regclass.c (reg_class_size): Now unsigned.
3752 (choose_hard_reg_mode): Both operands now unsigned.
3753 (record_reg_classes): REGNO and NR now unsigned.
3754 (reg_scan): NREGS now unsigned.
3755 (reg_scan_update): old_max_regno now unsigned.
3756 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3757 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3758 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3759 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3760 Likewise for variable R.
3761 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3762 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3763 (find_equiv_reg): Add casts.
3764 (regno_clobbered_p): Arg REGNO now unsigned.
3765 * reload.h (struct reload): NREGS now unsigned.
3766 (refers_to_regno_for_reload_p): Regno args are unsigned.
3767 (regno_clobbered_p): Likewise.
3768 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3769 (compute_use_by_pseudos): REGNO now unsigned.
3770 (find_reg): I and J now unsigned, new variable K, and change loop
3771 variables accordingly; THIS_NREGS now unsigned.
3772 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3773 (spill_hard_reg): REGNO arg now unsigned; add casts.
3774 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3775 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3776 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3777 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3778 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3779 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3780 (emit_reload_insns): REGNO now unsigned.
3781 (reload_cse_move2add): Add cast.
3782 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3784 * resource.c (mark_referenced_resources, mark_set_resources): New
3785 variable R; REGNO and LAST_REGNO now unsigned.
3786 (mark_target_live_regs): J and REGNO now unsigned.
3787 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3788 * rtl.h (union rtunion_def): New field rtuint.
3789 (XCUINT): New macro.
3790 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3791 (operand_subword, operand_subword_force): Word number is unsigned.
3792 (choose_hard_reg_mode): Operands are unsigned.
3793 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3794 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3795 (regno_use_in, combine_instructions, remove_death): Likewise.
3796 (reg_scan, reg_scan_update): Likewise.
3797 (extended_count): Return is unsigned.
3798 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3799 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3800 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3801 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3802 (reg_reg_last_1): FIRS and LAST now unsigned.
3803 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3804 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3806 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3807 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3808 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3809 (replace_regs): Arg NREGS now unsigned.
3810 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3811 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3812 (simplify_binary_operation): Likewise.
3813 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3814 THIS_LAST now unsigned.
3815 (cselib_record_set): Add cast.
3816 * ssa.c (ssa_max_reg_num): Now unsigned.
3817 (rename_block): REGNO now unsigned.
3818 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3820 (all_cases_count): Just return -1 not -2.
3821 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3822 Rework tests to use trees whenever possible.
3823 Use host_integerp and tree_low_cst.
3824 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3825 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3826 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3827 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3828 (smallest_mode_for_size): Likewise.
3829 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3830 KNOWN_ALIGN is now an alignment, so simplify code.
3831 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3832 (start_record_layout): Renamed from new_record_layout_info.
3833 Update to new fields.
3834 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3836 (place_union_field): Renamed from layout_union_field.
3837 Update to use new fields in rli.
3838 (place_field): Renamed from layout_field.
3839 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3840 (finalize_record_size): Rework to use new fields in rli and handle
3842 (compute_record_mode): Rework to simplify and to use new DECL fields.
3843 (finalize_type_size): Make rounding more consistent.
3844 (finish_union_layout): Deleted.
3845 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3846 (layout_type, case RECORD_TYPE): Call new function names.
3847 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3848 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3849 (get_best_mode): UNIT is now unsigned; remove casts.
3850 * tree.c (bit_position): Compute from new fields.
3851 (byte_position, int_byte_position): New functions.
3852 (print_type_hash_statistics): Cast to remove warning.
3853 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3854 (build_index_type): Likewise; make subtype of sizetype.
3855 (build_index_2_type): Pass sizetype to build_range_type.
3856 (build_common_tree_nodes): Use size_int and bitsize_int to
3857 initialize nodes; add bitsize_{zero,one,unit}_node.
3858 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3859 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3860 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3861 (DECL_FIELD_BITPOS): Deleted.
3862 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3863 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3864 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3865 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3866 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3867 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3868 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3869 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3870 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3871 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3872 (DECL_ALIGN): Adjust to new field in union.
3873 (DECL_OFFSET_ALIGN): New field.
3874 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3875 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3876 (union tree_decl): Add struct for both aligns.
3877 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3878 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3879 (struct record_layout_info): Rework fields to have offset
3880 alignment and byte and bit position.
3881 (start_record_layout, place_field): Renamed from old names.
3882 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3883 (byte_position, int_byte_position): Likewise.
3884 (get_inner_reference): Change types of position and length.
3885 * unroll.c (unroll_loop): New variable R; use for some loops.
3886 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3887 (calculate_giv_inc): Arg REGNO now unsigned.
3888 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3889 * varasm.c (assemble_variable): Clean up handling of size using
3890 host_integerp and tree_low_cst.
3891 (decode_addr_const): Use byte, not bit, position.
3892 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3893 use tree_low_cst and int_bit_position.
3894 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3896 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3898 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3899 (reorder_block_def): New members eff_head and eff_end.
3900 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3901 (verify_insn_chain): New function.
3902 (skip_insns_between_block): Add code to skip deleted insns.
3903 Check for note before using.
3904 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3905 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3906 Check for note before using.
3907 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3908 (fixup_reorder_chain): Restructure, clean up, defect removal.
3909 (reorder_basic_blocks): Remove last_insn and references to it.
3910 Moved insn chain verification code into a new function (see above).
3911 Delete defective code that sets last insn.
3912 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3915 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3917 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3919 2000-03-24 Richard Henderson <rth@cygnus.com>
3921 * tree.c (lang_safe_for_unsave): Remove.
3922 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3923 allowing for two levels of unsafeness. Remove lang hook.
3924 * tree.h: Update declarations.
3925 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3926 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3927 Always fail sibcalls when there are pending cleanups.
3929 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3931 * flow.c (propagate_block): When we delete an ADDR_VEC,
3932 also delete the BARRIER following it if there is one.
3934 2000-03-24 Richard Henderson <rth@cygnus.com>
3936 * builtins.c (expand_builtin_bzero): Convert `length' argument
3939 2000-03-24 Jakub Jelinek <jakub@redhat.com>
3941 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
3942 comparison if regno's are equal.
3943 * calls.c (initialize_argument_informat): Add ecf_flags argument.
3944 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3945 (expand_call): Update caller.
3946 Avoid making a sibling call if argument size of the callee is larger
3947 than argument size of the caller.
3948 Call hard_function_value with outgoing set if in sibcall pass.
3949 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3951 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
3952 Change LEAF_REGISTERS from an array initializer to actual array
3953 identifier. Move static global variable into the function.
3954 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
3955 sequences for leaf functions.
3956 * global.c (global_alloc): Likewise.
3957 * tm.texi (LEAF_REGISTERS): Update documentation.
3959 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
3960 TARGET_FLAT leaf disabling hack.
3961 (LEAF_REGISTERS): Changed from an array initializer to actual array
3962 identifier to avoid duplication and remove the above hack.
3963 (FUNCTION_OK_FOR_SIBCALL): Define.
3964 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
3965 always like call attribute.
3966 (eligible_for_sibcall_delay): New attribute.
3967 (sibcall): New delay type.
3968 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3969 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
3970 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
3971 * config/sparc/sparc.c (sparc_leaf_regs): New array.
3972 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
3974 (output_function_epilogue): Move part of the code into
3975 output_restore_regs.
3976 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
3978 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
3981 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
3982 until infrastructure is finished.
3984 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
3986 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
3987 (save_parm_insns): Not here.
3989 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3991 * builtins.c (expand_builtin_bzero): New function.
3992 (expand_builtin): Handle bzero.
3994 * builtins.def: Add BUILT_IN_BZERO.
3996 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3997 prototype & function for bzero.
3999 2000-03-23 Michael Meissner <meissner@redhat.com>
4001 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4002 change adding TARGET_FP to the TF floating point insns, except for
4003 trunctfsf2, which generates direct calls to truncdfsf2.
4005 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4007 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4008 try to protect against middle-end changes that break binary
4010 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4012 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4014 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4016 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4018 * calls.c (expand_call): If TARGET is passed by reference and
4019 is readonly, write a CLOBBER.
4021 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4023 * builtins.c (expand_builtin): Handle bcmp.
4025 * builtins.def: Add BUILT_IN_BCMP.
4027 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4028 prototype & function for bcmp.
4030 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4032 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4033 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4034 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4036 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4038 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4039 alternative when using -fp64 -gp32.
4041 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4043 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4044 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4045 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4047 * frame.h (frame_state): Revert last change.
4048 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4049 * libgcc2.c (throw_helper): Revert last change.
4051 2000-03-22 Richard Henderson <rth@cygnus.com>
4053 * stmt.c (expand_asm_operands): Don't promote the temporary.
4055 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4057 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4058 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4059 c_get_alias_set): Likewise.
4060 * c-decl.c (duplicate_decls): Likewise.
4061 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4062 * calls.c (initialize_argument_information): Likewise.
4063 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4065 * dwarfout.c (decl_class_context,output_type): Likewise.
4066 * expr.c (get_inner_reference): Likewise.
4067 * fold-const.c (simple_operand_p,fold): Likewise.
4068 * function.c (aggregate_value_p): Likewise.
4069 * stmt.c (expand_asm_operands): Likewise.
4070 * varasm.c (named_section): Likewise.
4072 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4074 Implement dwarf2 exception handling for the ARM.
4075 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4076 (DWARF_FRAME_RETURN_COLUMN): Define.
4077 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4078 REG_FRAME_RELATED_EXPR note.
4079 (emit_sfm): Likewise.
4080 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4081 * dwarf2out.c (reg_save): Handle saving a register to itself.
4082 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4083 * except.c (eh_regs): Don't use the static chain reg if it's
4085 * frame.h (frame_state): Add cfa_saved field.
4086 * frame.c (execute_cfa_insn): Set it.
4087 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4089 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4091 (instantiate_virtual_regs): Adjust.
4093 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4094 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4095 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4097 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4098 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4100 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4102 * builtins.def: New file.
4104 * Makefile.in (TREE_H): Depend on builtins.def.
4106 * builtins.c (built_in_names): Use builtins.def.
4108 * tree.h (built_in_function): Likewise.
4110 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4112 * tree.c (size_in_bytes): Return size_zero_node, not
4115 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4117 * config/fp-bit.c (pack_d): Correct the case when a denormal
4118 is rounded up and stops being denormal.
4120 2000-03-21 Richard Henderson <rth@cygnus.com>
4122 * config/alpha/alpha.c (function_arg): Check for void_type_node
4123 before using MUST_PASS_IN_STACK.
4125 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4127 * regmove.c (combine_stack_adjustments_for_block): Check that
4128 the stack pointer is a valid memory address.
4130 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4132 * calls.c: re-install Mar 16 emit_library_call merge.
4134 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4136 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4137 we cannot be sure that if reload_completed base register will
4138 be properly aligned.
4140 2000-03-21 Richard Henderson <rth@cygnus.com>
4142 * flow.c (delete_block): Fix typo last change.
4144 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4146 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4147 not COMPLETE_TYPE_P, to check the type of the expression.
4149 2000-03-21 Michael Meissner <meissner@redhat.com>
4151 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4152 all floating point insns that just tested the macro
4153 TARGET_HAS_XFLOATING_LIBS.
4154 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4155 used to only use the gprs.
4157 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4159 * tree.h (COMPLETE_TYPE_P): New macro.
4160 (COMPLETE_OR_VOID_TYPE_P): New macro.
4161 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4162 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4163 * c-aux-info.c (gen_type): Use them.
4164 * c-common.c (c_expand_expr_stmt): Likewise.
4165 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4166 grokdeclarator, grokparms, finish_struct, start_function,
4167 store_parm_decls, combine_parm_decls): Likewise.
4168 * c-parse.y (cast_expr): Likewise.
4169 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4170 c_size_in_bytes, c_alignof, build_component_ref,
4171 build_indirect_ref, build_array_ref, convert_arguments,
4172 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4173 * calls.c (initialize_argument_information): Likewise.
4174 * convert.c (convert_to_integer): Likewise.
4175 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4176 * dwarfout.c (location_or_const_value_attribute,
4177 output_enumeration_type_die, output_structure_type_die,
4178 output_union_type_die, output_type): Likewise.
4179 * expr.c (safe_from_p, expand_expr): Likewise.
4180 * function.c (assign_parms): Likewise.
4181 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4182 * tree.c (build_array_type, build_function_type,
4183 build_method_type, build_offset_type, build_complex_type): Likewise.
4184 * c-parse.c, c-parse.h: Regenerated.
4186 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4188 * config/c4x/rtems.h: Include config/rtems.h.
4190 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4192 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4193 decl is a FUNCTION_DECL
4195 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4197 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4198 function uses output registers. Don't save RP for leaf functions.
4199 Do save RP even if no epilogue.
4200 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4201 (CALL_USED_REGISTERS): Unmark in registers.
4202 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4205 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4207 * config/rs6000/rs6000.md (bunordered): New expander.
4208 (bordered): New expander.
4209 (buneq): New expander.
4210 (bunge): New expander.
4211 (bungt): New expander.
4212 (bunle): New expander.
4213 (bunlt): New expander.
4214 (bltgt): New expander.
4216 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4217 (ccr_bit_negated_p): New function.
4218 (print_operand): For %C, generate appropriate cror for UNEQ,
4219 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4221 2000-03-20 Andreas Jaeger <aj@suse.de>
4223 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4226 * tree.h (safe_for_unsave): Prototype.
4228 2000-03-20 Richard Henderson <rth@cygnus.com>
4230 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4231 (combine_stack_adjustments_for_block): Don't allow sp references
4232 in the side of a set we're not fixing up.
4233 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4234 after life_analysis.
4236 2000-03-20 Richard Henderson <rth@cygnus.com>
4238 * calls.c (expand_call): Don't bother generating tail call
4239 sequences if there are pending cleanups. Use
4240 expand_start_target_temps/expand_end_target_temps to elide
4241 cleanups created during sibcall expansion.
4243 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4245 * configure.in: Set $IFS to a value if it doesn't already have one
4246 in the --enable-checking handling.
4247 * configure: Regenerate.
4249 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4251 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4252 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4255 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4257 * jump.c (delete_noop_moves): Remove code attempting to
4258 combine stack adjustments.
4260 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4262 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4263 * except.c (emit_cleanup_handler): Use them.
4264 (expand_end_all_catch): Likewise.
4265 * function.c (fixup_var_refs): Likewise.
4266 (expand_function_end): Clear catch_clauses_last.
4267 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4268 * except.h (struct eh_status): New field x_catch_clauses_last.
4269 (catch_clauses_last): New define.
4271 * Makefile.in (tree.o): Depend on HASHTAB_H.
4272 * tree.c: Include hashtab.h.
4273 (struct type_hash): Remove next field.
4274 (TYPE_HASH_SIZE): Remove.
4275 (TYPE_HASH_INITIAL_SIZE): New define.
4276 (type_hash_table): Change type to htab_t.
4277 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4278 mark_hash_entry): New functions.
4279 (init_obstacks): Allocate type hash.
4280 (type_hash_lookup): Use htab functions.
4281 (type_hash_add, mark_type_hash): Likewise.
4282 (dump_tree_statistics): Call print_type_hash_statistics.
4284 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4286 * rs6000/t-aix41: New file.
4288 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4290 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4292 * tm.texi (Driver): Fix typos and tweak entry for
4294 Move misplaced STRUCT_FORCE_BLK entry ...
4295 (Storage Layout): ... to here.
4296 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4298 2000-03-19 Richard Henderson <rth@cygnus.com>
4300 * flow.c (delete_block): Delete the addr_vec along with the block.
4301 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4304 * fold-const.c (extract_muldiv): Apply type check for defined
4305 overflow to multiply as well as divide.
4307 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4309 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4311 * emit-rtl.c (remove_unncessary_notes): Check that all
4312 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4313 associated NOTE_BLOCK.
4314 * function.h (identify_blocks): Update comments.
4315 (reorder_blocks): Declare.
4316 * function.c (identify_blocks): Don't take paramters.
4317 (reorder_blocks): Don't take parameters.
4318 * loop.h (find_loop_tree_blocks): Remove.
4319 (unroll_block_trees): Likewise.
4320 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4321 reorder_blocks instead of unroll_block_trees.h
4322 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4323 * stmt.c (find_loop_tree_blocks): Remove.
4324 (unroll_block_trees): Likewise.
4325 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4326 in whole-function mode.
4327 * tree.h (reorder_blocks): Remove declaration.
4329 * expr.c: Include intl.h.
4330 * Makefile.in (expr.o): Depend on intl.h.
4332 2000-03-18 Richard Henderson <rth@cygnus.com>
4334 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4336 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4338 * tree.h (tree_index): Remove enumerals for integer types.
4339 (integer_type_kind): New type.
4340 (integer_types): New variable.
4341 (char_type_node): Adjust.
4342 (signed_char_type_node): Likewise.
4343 (unsigned_char_type_node): Likewise.
4344 (short_integer_type_node): Likewise.
4345 (short_unsigned_type_node): Likewise.
4346 (integer_type_node): Likewise.
4347 (unsigned_type_node): Likewise.
4348 (long_integer_type_node): Likewise.
4349 (long_unsigned_type_node): Likewise.
4350 (long_long_integer_type_node): Likewise.
4351 (long_long_unsigned_type_node): Likewise.
4352 * tree.c (integer_types): New variable.
4353 (init_obstacks): Register it as a root.
4355 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4357 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4358 NEXT_INSN. Update last insn in chain.
4360 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4362 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4363 with TYPE_DECL_SUPPRESS_DEBUG set.
4365 2000-03-18 Richard Henderson <rth@cygnus.com>
4367 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4369 2000-03-18 Richard Henderson <rth@cygnus.com>
4371 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4372 care for HALF_PIC_P.
4373 (expander_call_insn_operand): Remove.
4374 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4375 * i386.h (PREDICATE_CODES): Update.
4376 * i386.md (all call expanders): Remove predicates, remove special
4377 handling for half-pic.
4378 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4379 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4380 (sibcall_epilogue): New.
4382 2000-03-17 Richard Henderson <rth@cygnus.com>
4384 * rtlanal.c (single_set): Reject if the parallel has anything
4385 except SET or USE or CLOBBER.
4387 2000-03-17 Jeff Law <law@cygnus.com>
4388 Richard Henderson <rth@cygnus.com>
4390 * Makefile.in (OBJS): Add sibcall.o.
4392 * sibcall.c: New file.
4393 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4394 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4395 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4396 Emit sibcall patterns when requested. Update all callers.
4397 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4398 elimination seems feasable.
4399 * final.c (leaf_function_p): Sibling calls don't discount being
4401 * flow.c (HAVE_sibcall_epilogue): Provide default.
4402 (find_basic_blocks_1): Sibling calls don't throw.
4403 (make_edges): Make edge from sibling call to EXIT.
4404 (propagate_block): Don't remove sibcall_epilogue insns.
4405 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4406 (sibcall_epilogue): New.
4407 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4408 (identify_blocks_1): Likewise. Break out from ...
4409 (identify_blocks): ... here.
4410 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4411 (reorder_blocks): ... here.
4412 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4413 (record_insns): Extend a varray instead of mallocing new memory.
4414 (contains): Read a varray not array of ints.
4415 (sibcall_epilogue_contains): New.
4416 (thread_prologue_and_epilogue_insns): Emit and record
4417 sibcall_epilogue patterns.
4418 (init_function_once): Allocate prologue/epilogue varrays.
4419 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4420 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4422 (save_for_inline_nocopy): ... here.
4423 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4425 (expand_inline_function): ... here.
4426 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4427 (subst_constants): Handle 'n' formats.
4428 * jump.c (jump_optimize_minimal): New.
4429 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4430 optimizations if it's set.
4431 * rtl.c (copy_rtx): Do copy jump & call for insns.
4432 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4433 (SIBLING_CALL_P): New.
4434 (sibcall_use_t): New.
4435 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4436 Invoke optimize_sibling_and_tail_recursive_calls.
4437 * tree.c (lang_safe_for_unsave): New.
4438 (safe_for_unsave): New.
4439 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4441 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4442 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4443 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4445 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4447 * objc/objc-act.c (encode_method_prototype): Pass types, not
4448 PARM_DECLs, to int_size_in_bytes.
4450 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4452 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4454 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4455 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4457 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4459 * Clean up usages of TREE_INT_CST_LOW.
4460 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4461 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4463 * c-tree.h (min_precision): Move declaration to here.
4464 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4465 (build_unary_op, add_pending_init): Use bit_position.
4466 (pending_init_member, process_init_element): Likewise.
4467 (really_start_incremental_init, push_init_level, pop_init_level):
4468 Don't make copies of nodes or modify them in place, use consistent
4469 types when tracking positions, and use tree routines computations.
4470 (set_init_index, output_init_element): Likewise.
4471 (output_pending_init_elements, process_init_element): Likewise.
4472 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4473 tree_low_cst and int_bit_position; also minor cleanup.
4474 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4475 (print_cst_octal): Precision is unsigned.
4476 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4477 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4478 (simple_type_align_in_bits): Result is unsigned int.
4479 Use tree_int_low_cst and host_integerp.
4480 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4481 (field_byte_offset): Result is HOST_WIDE_INT.
4482 Change types of internal variables so alignments are unsigned int,
4483 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4484 Use host_integerp, tree_low_cst, and int_bit_position.
4485 (add_bit_offset_attribute): Likewise.
4486 (add_data_member_location_attribute): Use tree_cst_low.
4487 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4488 (add_bit_size_attribute): Use tree_low_cst.
4489 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4490 * dwarfout.c: Similar changes to dwarf2out.c.
4491 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4492 * genoutput.c (n_occurences): Return -1 for null string.
4493 (strip_whitespace): Accept null string and make into function.
4494 (scan_operands): Reflect above changes.
4495 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4496 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4497 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4498 * tree.c (int_size_in_bytes): Check for too big to represent.
4499 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4500 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4502 (min_precision): Delete from here.
4503 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4504 and int_bit_position.
4505 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4506 (encode_method_def): Likewise.
4507 (build_ivar_list_initializer): Use int_bit_position.
4508 (generate_shared_structures): Convert size.
4509 (encode_type, encode_complete_bitfield): Use integer_zerop.
4510 (encode_bitfield): Use tree_low_cst and int_bit_position.
4512 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4514 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4516 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4518 * call.c (special_function_p): It is only malloc if it returns
4521 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4523 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4524 (C33_FLAG, TARGET_C3X): Add macros.
4525 (TARGET_SWITCHES): Add -m33 option.
4526 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4528 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4530 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4531 (PARALLEL_PACK_FLAG): Delete.
4532 (TARGET_SWITCHES): Update.
4533 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4535 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4537 * fold-const.c (fold): Fix a few cases when the returned result
4538 is not of the same type as the input.
4540 2000-03-16 Nick Clifton <nickc@cygnus.com>
4542 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4545 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4547 * libgcc2.h: Move prototypes above macros with the same name.
4548 Wrap some function prototypes in the conditional which indicates
4549 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4551 2000-03-16 Richard Henderson <rth@cygnus.com>
4553 * calls.c: Revert last two changes.
4555 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4557 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4558 has exponent 0 is a zero.
4560 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4561 HASH may already be nonzero. Add code/mode into hash value
4562 immediately after repeat label.
4563 (cselib_lookup): Don't leave the hash table in an inconsistent
4564 state before a hash lookup operation.
4566 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4568 * i386.md (all HI and QI mode non-move patterns): Conditionize
4569 by TARGET_[HQ]IMODE_MATH.
4570 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4571 x86_promote_qi_regs): Declare.
4572 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4573 TARGET_PROMOTE_QI_REGS): New macros.
4574 (PROMOTE_MODE): New macro.
4575 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4576 x86_promote_qi_regs): New global variables.
4578 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4580 * calls.c (emit_library_call_value_1): Break out from ...; handle
4581 VOIDmode function calls too.
4582 (emit_library_call_value): ... here.
4583 (emit_library_call): Implement by calling emit_library_call_value_1.
4585 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4587 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4588 Update arg_space_so_far on stack adjustments.
4589 (emit_library_call, emit_library_call_value): Likewise; take into
4590 account arg_space_so_far and pending_stack_adjust when calculcating
4593 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4595 * flow.c: Move all basic block reordering code into its own file.
4596 (create_basic_block): Externalize.
4597 * bb-reorder.c: New file. Copy all basic block reordering code from
4598 flow.c to this file.
4599 (reorder_basic_blocks): Fix fencepost error in for-loop.
4600 (reorder_basic_blocks): Remove braces from single statement for-loops.
4601 * basic-block.h: Add declaration for create_basic_block.
4602 * Makefile.in: Add rules for bb-reorder.o.
4604 2000-03-16 Neil Booth <NeilB@earthling.net>
4606 * cppinit.c (handle_option): Implement #unassert directive
4607 as -A- command line option.
4608 (print_help): Update.
4609 * cpptexi.c: Update.
4611 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4613 * md.texi (Standard Names): Document `jump'.
4615 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4617 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4620 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4622 Merge changes from newppc-branch onto trunk.
4624 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4626 * rs6000.c (toc_hash_table): Update for new hash table functions.
4627 (toc_hash_function): Likewise.
4628 (toc_hash_eq): Likewise.
4629 (toc_hash_mark_entry): Likewise.
4630 (toc_hash_mark_table): Likewise.
4631 (output_toc): Likewise.
4632 (rs6000_add_gc_roots): Likewise.
4634 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4636 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4637 (AR_FLAGS_FOR_TARGET): here. New macro.
4639 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4641 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4642 fpmem_operand) Delete.
4644 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4645 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4646 (rs6000_save_machine_status, rs6000_restore_machine_status,
4647 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4648 references to above variables.
4649 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4650 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4651 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4652 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4653 (XER_REGNO_P, XER_REGNO): New.
4654 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4655 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4656 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4658 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4659 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4660 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4662 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4664 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4665 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4666 * rs6000.h: from here.
4668 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4669 (rs6000_select_rtx_section): Likewise.
4670 (rs6000_encode_section_info): Likewise.
4671 (sdata_section): Likewise.
4672 (sdata2_section): Likewise.
4673 (sbss_section): Likewise.
4674 * sysv4.h (rs6000_select_section): Delete prototype.
4675 (rs6000_select_rtx_section): Likewise.
4676 (rs6000_encode_section_info): Likewise.
4677 (sdata_section): Likewise.
4678 (sdata2_section): Likewise.
4679 (sbss_section): Likewise.
4680 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4682 * sysv4.h: Delete various unnecessary #undef's and put a comment
4683 on the remaining ones.
4684 Change various comments according to coding standard.
4686 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4688 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4689 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4690 (CR0_REGNO_P) Remove.
4691 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4692 setup_incoming_varargs, mtcrf_operation, print_operand,
4693 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4694 Use the above macros.
4696 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4698 * config/rs6000/rs6000.md: Added a new alternative for each
4699 pattern that had a 'x' alternative but no 'y' alternative.
4700 Added a new split for each of the above patterns.
4702 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4704 * aix41.h (ASM_CPU_SPEC): Delete.
4705 (CPP_CPU_SPEC): Delete.
4707 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4708 (ASM_OUTPUT_LABEL): Define.
4709 (ASM_GLOBALIZE_LABEL): Define.
4710 (STRIP_NAME_ENCODING): Define.
4711 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4712 (STRIP_NAME_ENCODING): Don't define.
4713 (ASM_OUTPUT_LABEL): Don't define.
4714 (ASM_GLOBALIZE_LABEL): Don't define.
4715 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4716 names, and ASM_OUTPUT_LABEL to output labels, rather than
4718 (ASM_OUTPUT_LABEL): Define.
4719 (ASM_OUTPUT_INT): Use assemble_name.
4720 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4721 (STRIP_NAME_ENCODING): Don't undefine first.
4722 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4724 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4725 specified with 'asm' even with -fleading-underscore.
4726 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4727 (output_epilog): Likewise.
4728 (output_toc): Likewise.
4729 * tramp.asm: Handle -fleading-underscore correctly.
4731 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4733 (nonlocal_goto_receiver): Delete.
4734 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4736 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4737 (SET_ASM_OP): Define.
4738 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4740 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4743 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4744 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4746 * rs6000.h: Add 'u' to more constants.
4748 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4750 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4752 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4754 * rs6000.c (reg_or_u_cint_operand): New function.
4755 (logical_operand): Handle 64-bit hosts.
4756 (logical_u_operand): New function.
4757 (non_logical_cint_operand): Handle 64-bit hosts.
4758 (non_logical_u_cint_operand): New function.
4759 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4760 (PREDICATE_CODES): Define new functions.
4761 * rs6000-protos.h: Declare new functions.
4762 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4763 (movdi_64): Bracket code intended for 64-bit hosts. Create
4764 CONST_DOUBLE for 32-bit values.
4765 (scc insns): Generate DImode compares.
4766 (mfcr insns): Create DImode versions.
4767 (sge matchers): New patterns.
4769 2000-02-15 Gabriel Paubert <paubert@iram.es>
4771 * rs6000.md: Correct instructions length attributes and
4772 constraints on unsigned compare instructions.
4773 (*ne0): Disable for PowerPC64.
4775 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4777 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4778 quantity, fix profile1.C test failure under -fPIC.
4780 * rs6000.c: Add 'u' to many constants to suppress warnings.
4781 (constant_pool_expr_1): Make static.
4782 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4783 * rs6000.h: Add 'u' to many constants to suppress warnings.
4785 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4786 for the start of the TOC, instead of LCTOC..0.
4787 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4789 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4790 (load_toc_aix_di): Use LCTOC..1.
4792 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4793 * rs6000.c (rs6000_legitimize_address): New function from
4794 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4795 symbols in the constant pool that really are TOC references.
4796 (print_operand_address): For ELF, write TOC offsets under
4797 -fPIC as subtractions in the insn.
4798 (output_toc): For ELF, define symbols in TOC as normal labels,
4800 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4801 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4802 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4803 * rs6000.md (movsi): Only use create_TOC_reference on
4804 symbols in the constant pool that really are TOC references.
4806 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4807 * rs6000.c (rs6000_reorg): Delete.
4808 * rs6000-protos.h (rs6000_reorg): Delete.
4810 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4812 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4814 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4815 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4816 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4817 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4818 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4819 rs6000_aix_emit_builtin_unwind_init.
4820 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4821 rs6000_emit_eh_toc_restore on AIX.
4822 (return_eh_si): Use r2.
4823 (return_eh_di): Use r2.
4825 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4826 since we're breaking binary compatibility anyway.
4828 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4830 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4831 constant_pool_expr_p): Declare them.
4832 (constant_pool_expr_p): Declare it.
4833 * config/rs6000/rs6000.c (toc_label_name): Define.
4834 (rs6000_override_options): Set toc_label_name.
4835 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4836 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4837 uses_TOC): New functions.
4838 (print_operand): Delete old '*' case.
4839 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4840 and strip off rtl for TOC before calling output_addr_const.
4841 (rs6000_emit_load_toc_table): Use toc_label_name.
4842 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4844 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4845 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4846 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4847 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4848 into explicit TOC_REGISTER offsets.
4849 (TOC_REGISTER): New macro.
4850 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4851 TARGET_TOC to reference TOC_REGISTER.
4852 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4853 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4854 uses_TOC before emitting label references.
4856 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4858 * rs6000.md (stack_tie): Fix warning.
4860 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4861 to handle -fleading-underscore.
4862 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4863 (USER_LABEL_PREFIX): New macro.
4864 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4865 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4866 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4867 call-linux can use the same multilibs.
4868 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4869 and call-linux multilibs. Do multilib with -fleading-underscore.
4870 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4871 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4874 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4875 have MASK_SOFT_FLOAT set.
4876 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4877 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4878 CPP_FLOAT_DEFAULT_SPEC.
4880 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4881 * rs6000.md: Whitespace change.
4882 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4883 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4885 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4887 * rs6000.md (eh_epilogue): New expander.
4888 (eh_reg_restore): New expand/split/insn combination.
4889 (return_eh_si): New insn.
4890 (return_eh_di): New insn.
4892 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4893 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4894 * eabi-ctors.c (__do_global_ctors): Register this object's
4895 frame. Clean up. Call atexit() after the constructors.
4896 (__do_global_dtors): Deregister this object's frame. Clean up.
4897 Allow for recursive calls to exit().
4898 * rs6000.c (fixuplabelno): New variable.
4899 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4900 TARGET_RELOCATABLE, it slows down exec() under linux.
4901 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4903 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4904 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4905 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4906 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4907 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4908 (ASM_OUTPUT_DWARF_ADDR): New macro.
4909 (ASM_OUTPUT_DWARF_DATA4): New macro.
4910 (ASM_OUTPUT_DWARF_DATA2): New macro.
4911 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4912 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4913 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4915 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4917 * rs6000.c (rs6000_sr_alias_set): New variable.
4918 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4919 (rs6000_emit_stack_tie): New function.
4920 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4921 in a way that dwarf2out can understand.
4922 (rs6000_frame_related): New function.
4923 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4924 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4925 Use rs6000_emit_stack_tie when needed.
4926 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4927 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4928 * rs6000.md (stack_tie): New insn.
4929 (return_internal_si): Allow return value to be in the count
4931 (return_internal_di): Likewise.
4933 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
4935 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4937 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
4939 2000-01-31 Geoff Keating <geoffk@cygnus.com>
4941 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
4943 * rs6000.md (stmw): Use the right POWER opcode.
4946 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4948 * rs6000-protos.h: New file.
4950 * rs6000.c: Include tm_p.h. Fix compile time warnings.
4952 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
4955 * sysv4.h: Likewise.
4957 2000-01-28 Geoff Keating <geoffk@cygnus.com>
4959 * ../../configure.in: Delete powerpcle-*-winnt*
4960 and powerpcle-*-pe|powerpcle-*-cygwin*.
4961 * ../../configure: Regenerated.
4963 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
4964 (TARGET_WINDOWS_NT): Delete.
4966 (CALL_NT_DLLIMPORT): Delete.
4967 Delete NT-specific code.
4968 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
4971 * nt-ci.asm: Delete.
4972 * nt-cn.asm: Delete.
4973 * ntstack.asm: Delete.
4975 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4977 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
4978 (ASM_FILE_START): Likewise.
4979 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4980 (ASM_OUTPUT_LABELREF): Likewise.
4981 (ASM_OUTPUT_SKIP): Likewise.
4982 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4983 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4984 (ASM_OUTPUT_CASE_LABEL): Likewise.
4985 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4986 (ASM_OUTPUT_ASCII): Likewise.
4988 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
4990 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
4991 reload_toc_labelno for non-prologue TOC reloads. Also, don't
4992 increment rs6000_pic_labelno here.
4993 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
4994 and increment rs6000_pic_labelno here.
4996 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
4998 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
4999 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5000 allocation knows (reg) is dead before the insn.
5002 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5004 * rs6000.md (movsi_to_cr): Correct typo in output template.
5006 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5008 * rs6000.c (rs6000_pic_labelno): Always define.
5009 (rs6000_pic_func_labelno): Delete.
5010 (lmw_operation): Check for a zero base register,
5011 which doesn't mean what we want.
5012 (stmw_operation): New function.
5013 (print_operand): Define new 'l' modifier.
5014 (rs6000_stack_info): We must save all 64 bits of the registers
5015 if TARGET_POWERPC64.
5016 (rs6000_output_load_toc_table): Delete.
5017 (rs6000_emit_load_toc_table): New function.
5018 (rs6000_allocate_stack_space): Delete.
5019 (rs6000_emit_allocate_stack): New function.
5020 (rs6000_emit_prologue): New function.
5021 (output_prolog): Use rs6000_emit_prologue.
5022 (rs6000_emit_epilogue): Change a few variable names to be
5023 more accurate. Restore all 64 bits of the registers if
5024 TARGET_POWERPC64. Only restore the FP registers which were used
5025 if they are being saved/restored one-at-a-time.
5026 (output_mi_thunk): Delete inefficient code generation.
5027 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5028 * rs6000.h: Declare rs6000_emit_load_toc_table,
5029 rs6000_allocate_stack_space, stmw_operation. Don't declare
5030 rs6000_output_load_toc_table.
5031 * rs6000.md (elf_high): Allow register 0, but discourage it
5033 (elf_low): Support loading into register 0.
5034 (load_toc_aix_si): New pattern.
5035 (load_toc_aix_di): New pattern.
5036 (load_toc_v4_pic_si): New pattern.
5037 (load_toc_v4_pic_di): New pattern.
5038 (load_toc_v4_PIC_1): New pattern.
5039 (load_toc_v4_PIC_1b): New pattern.
5040 (load_toc_v4_PIC_2): New pattern.
5041 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5042 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5043 (prologue): New expander.
5044 (movesi_from_cr): New pattern.
5045 (stmw): New pattern.
5046 (save_fpregs_si): New pattern.
5047 (save_fpregs_di): New pattern.
5049 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5051 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5056 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5058 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5060 (movsi_got_internal): Likewise.
5061 (movsi_got_internal+1): Likewise.
5062 (set_sp): 'unspec 7' does a SImode clobber.
5064 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5066 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5067 allocate a stack temporary.
5068 (floatsidf2_internal): Likewise.
5069 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5071 (floatunssidf2): Don't use the fpmem "register", just
5072 allocate a stack temporary.
5073 (floatunssidf2_internal): Likewise.
5074 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5076 (floatsidf2_loadaddr): Delete.
5077 (floatsidf2_store1): Delete.
5078 (floatsidf2_store2): Delete.
5079 (floatsidf2_load): Delete.
5080 (fix_truncdfsi2): Don't use the fpmem "register", just
5081 allocate a stack temporary.
5082 (fix_truncdfsi2_internal_si): Delete.
5083 (fix_truncdfsi2_internal_di): Delete.
5084 (fix_truncdfsi2_internal): New insn.
5085 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5086 (fix_truncdfsi2_store): Delete.
5087 (fix_truncdfsi2_load): Delete.
5088 (fctiwz): Produce gen_fctiwz.
5090 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5092 * eabi.h (INVOKE__main): Define.
5093 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5095 (rs6000_emit_prologue): Likewise.
5096 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5097 this is the main program.
5099 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5101 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5103 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5105 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5106 goes after the argument.
5108 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5110 * rs6000.md: Document 'unspec' values used.
5111 (epilogue): New expander.
5112 (movesi_to_cr_one): New expander.
5113 (movesi_to_cr and following): New pattern.
5115 (return_internal_si): New pattern.
5116 (return_internal_di): New pattern.
5117 (return_and_restore_fpregs_si): New pattern.
5118 (return_and_restore_fpregs_di): New pattern.
5119 * rs6000.h: Declare new functions.
5120 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5121 rather than rs6000_calls_p.
5122 (rs6000_makes_calls): Delete.
5123 (lmw_operation): New function.
5124 (mtcrf_operation): New function.
5125 (rs6000_emit_epilogue): New function.
5126 (output_epilog): Call rs6000_emit_epilogue and final if
5127 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5129 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5131 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5132 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5133 * aix.h (SUBTARGET_SWITCHES): Document switches.
5134 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5135 sched-prolog and sched-epilog the same. Document all the
5137 (TARGET_OPTIONS): No longer allow -mdebug-.
5139 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5141 * rs6000.h (ASM_FILE_END): Move to aix.h.
5142 (EXTRA_SECTIONS): Move to aix.h.
5143 (READONLY_DATA_SECTION): Move to aix.h.
5144 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5145 (SELECT_SECTION): Move to aix.h.
5146 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5147 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5148 (LINK_REGISTER_REGNUM): New definition.
5149 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5150 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5152 * sysv4.h: Delete the code between the inclusion of rs6000.h
5154 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5155 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5156 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5157 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5158 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5159 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5160 (fix_truncdfsi2_internal_di): New pattern.
5161 (fix_truncdfsi2_store): The second arg here is Pmode too.
5162 (fix_truncdfsi2_load): The second arg here is Pmode too.
5163 (tablejumpdi): Now that switch tables hold only SImode values,
5164 gcc needs to know how to add them to the pc which is DImode.
5165 * rs6000.c (rs6000_stack_info): Use symbolic name for
5166 LINK_REGISTER_REGNUM.
5167 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5168 (output_toc): Delete unused variables s1 and s2.
5169 (output_ascii): Use fputs not fprintf on a variable string.
5171 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5173 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5174 * aix43.h: Revert Aug 2 change.
5175 (HAS_INIT_SECTION): Define, not visible yet.
5176 (LD_INIT_SWITCH): Define, not visible yet.
5177 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5179 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5181 * config/rs6000/rtems.h: Include config/rtems.h.
5183 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5185 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5186 (SLOW_UNALIGNED_ACCESS): Define.
5187 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5188 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5189 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5190 (toc_section): Likewise and .toc pseudo-op.
5191 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5193 (TEXT_SECTION_ASM_OP): Likewise.
5194 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5197 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5199 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5200 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5203 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5205 * rs6000.h: Move more stuff from here...
5207 * sysv4.h: Cleanup accordingly.
5208 * netware.h: Likewise
5210 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5212 * rs6000.h: Continue cleanup.
5215 * netware.h: Likewise.
5217 * sysv4.h: Likewise.
5218 * win-nt.h: Likewise.
5220 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5221 (TARGET_OPTIONS): Likewise.
5223 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5224 (SUBTARGET_OPTIONS): Likewise.
5226 * rs6000.md: Fix compile time warnings.
5228 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5230 vxworks patches from the Cygnus tree originally by
5231 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5232 <vmakarov@cygnus.com>.
5233 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5234 (ENDFILE_SPEC): Likewise.
5235 (LIB_VXWORKS_SPEC): New macro.
5236 (STARTFILE_VXWORKS_SPEC): New macro.
5237 (ENDFILE_VXWORKS_SPEC): New macro.
5238 (LINK_START_VXWORKS_SPEC): New macro.
5239 (LINK_OS_VXWORKS_SPEC): New macro.
5240 (CPP_OS_VXWORKS_SPEC): New macro.
5241 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5242 * vxppc.h: Rewrite to use proper configuration method.
5243 * vxppcle.h: New file.
5244 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5245 * ../../configure: Rebuilt.
5247 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5249 Lots of changes to rs6000.h, sysv4.h, aix.h,
5250 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5251 with the aim that rs6000.h is the first header
5252 included and the others override it.
5255 * x-aix41-gld: Remove.
5257 * x-aix41: Remove target-specific switches, and don't specify
5258 -Wl,-bbigtoc as we don't need it any more.
5259 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5260 Use t-aix43 for AIX 4.3 and above.
5261 * ../../configure: Regenerated.
5263 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5264 options, that don't do anything yet.
5265 (MASK_SCHED_PROLOG): New macro.
5266 (MASK_SCHED_EPILOG): New macro.
5267 (TARGET_SCHED_PROLOG): New macro.
5268 (TARGET_SCHED_EPILOG): New macro.
5270 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5272 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5273 one per translation unit, not one per function.
5274 (output_toc): Also do duplicate constant elimination
5275 for per-translation-unit TOCs.
5277 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5278 a comment explaining _exactly_ when this pattern gets used.
5279 (builtin_setjmp_receiver): New pattern for better clarity.
5280 (init_v4_pic): Move it into a section dealing with TOC registers.
5282 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5284 * rs6000.c (toc_hash_table): New variable.
5285 (rs6000_hash_constant): New function.
5286 (toc_hash_function): New function.
5287 (toc_hash_eq): New function.
5288 (toc_hash_mark_entry): New function.
5289 (toc_hash_mark_table): New function.
5290 (output_toc): Don't output duplicate TOC entries in
5292 (rs6000_add_gc_roots): Add the hash table as a GC root.
5293 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5294 where they clearly shouldn't be. This may need to be fixed
5295 later when there is a GNU ar for AIX.
5296 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5297 Don't define BOOT_LDFLAGS as it is now not necessary.
5299 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5301 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5302 for va_list on AIX. Use unsigned_char_type_node rather than
5303 constructing our own version on svr4.
5305 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5307 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5308 since patently it's not.
5310 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5312 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5313 define_expand/define_insn pair, and handle restore of the
5314 SVR4 -fpic register.
5316 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5318 * acconfig.h (HAVE_GAS_WEAK): New define.
5319 * configure.in (assembler weak support): Check for .weak support.
5320 * config.in, configure: Rebuilt.
5321 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5322 HAVE_GAS_WEAK is defined.
5324 2000-03-15 Nick Clifton <nickc@cygnus.com>
5326 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5329 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5331 * cppfiles.c (open_include_file): New function.
5332 (find_include_file, cpp_read_file): Use it.
5334 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5336 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5338 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5340 * flow.c (verify_flow_info): Check for unconditional return.
5342 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5344 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5345 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5346 (__ia64_restore_stack_nonlocal): New.
5347 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5349 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5351 * cpphash.c (collect_formal_parameters): Do not complain about
5352 parameter names that just start with `__VA_ARGS__'.
5354 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5356 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5357 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5358 * i386.c (pentiumpro_cost): Set mul cost to 4.
5359 (x86_use_movx): Set for PPro.
5361 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5363 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5364 STACK_BOUNDARY for empty frames now.
5366 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5368 * stor-layout.c (layout_union): Remove.
5369 (layout_union_field): New function, split out from layout_union.
5370 (finish_union_layout): Likewise.
5371 (layout_field): Handle unions by calling layout_union_field.
5372 (finish_record_layout): Handle unions.
5373 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5374 QUAL_UNION_TYPE handling.
5376 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5378 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5379 end of basic block is jump_insn, not barrier; use create_basic_block
5380 instead of creating basic block by hand.
5382 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5384 * flow.c (reorder_basic_blocks): Account for barriers when writing
5385 over NEXT_INSN (last_bb->end).
5386 (verify_flow_info): Add check for missing barriers.
5388 2000-03-14 Greg McGary <gkm@gnu.org>
5390 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5391 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5392 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5393 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5394 __unbounded, __unbounded__): New keywords.
5395 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5396 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5397 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5399 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5401 * cselib.h: New file.
5402 * alias.c: Include "cselib.h".
5403 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5404 MEMs as two new arguments.
5405 (get_addr): New static function.
5406 (find_base_term): Handle VALUEs.
5407 (memrefs_conflict_p): Likewise.
5408 (true_dependence): Call get_addr on the addresses.
5409 Call fixed_scalar_and_varying_struct_p with addresses that have been
5410 passed through get_addr and canon_rtx.
5411 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5412 with true_dependence.
5413 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5414 * loop.c: Include "cselib.h".
5415 (load_mems): Process extended basic block that enters the loop with
5416 cselib. Use that information to change initialization of the shadow
5417 register so that a constant equivalence is seen by later passes.
5418 * reload1.c: Include "cselib.h".
5419 (reload_cse_invalidate_regno): Delete function.
5420 (reload_cse_mem_conflict_p): Likewise.
5421 (reload_cse_invalidate_mem): Likewise.
5422 (reload_cse_invalidate_rtx): Likewise.
5423 (reload_cse_regno_equal_p): Likewise.
5424 (reload_cse_check_clobber): Likewise.
5425 (reload_cse_record_set): Likewise.
5426 (reg_values): Delete static variable.
5427 (invalidate_regno_rtx): Likewise.
5428 (reload_cse_delete_noop_set): New static function.
5429 (reload_cse_simplify): New static function, broken out of
5431 (reload_cse_noop_set_p): Delete unused argument INSN.
5432 Just call rtx_equal_for_cselib_p on set source and destination.
5433 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5434 reload_cse_delete_noop_set. Delete code to keep track of values; use
5435 cselib functions instead. Delete code to push/pop obstacks.
5436 (reload_cse_simplify_set): Use cselib to find equivalent values.
5437 Delete code to push/pop obstacks.
5438 (reload_cse_simplify_operands): Likewise.
5439 * rtl.def (VALUE): New rtx code.
5440 * rtl.h (union rtunion_def): New elt rt_cselib.
5441 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5442 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5443 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5444 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5445 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5446 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5447 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5448 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5449 cselib_record_set, cselib_record_sets): New static functions.
5450 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5451 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5452 references_value_p): New functions.
5453 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5454 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5455 n_useless_values, reg_values, callmem, cselib_obstack,
5456 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5457 New static variables.
5458 * varray.h (union varray_data_tag): New elt te.
5459 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5460 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5463 2000-03-14 Nick Clifton <nickc@cygnus.com>
5465 * gcc.c (do_spec_1): Catch the case where %* is used in a
5466 substitution pattern, but it has not been initialised.
5467 Issue a meaningful error message if an unrecognised operator
5468 is encountered in a spec string.
5470 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5472 * function.c (prepare_function_start): Correctly initialize
5473 cfun->stack_alignment_needed.
5475 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5477 * cppfiles.c (find_include_file): Don't assume nshort is a
5480 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5482 * configure.in (hppa configurations): Add pa32-regs.h to the
5483 list of tm files as appropriate.
5484 * configure: Rebuilt.
5485 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5487 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5488 (fmpyaddoperands, fmpysuboperands): Likewise.
5489 * pa.h: Remove various definitions which depend on knowing
5490 how registers are numbered.
5491 * pa32-regs.h: New file with PA32 register numbering specific
5494 2000-03-14 Richard Henderson <rth@cygnus.com>
5496 * regmove.c (combine_stack_adjustments): New.
5497 (stack_memref_p, single_set_for_csa): New.
5498 (free_csa_memlist, record_one_stack_memref): New.
5499 (try_apply_stack_adjustment): New.
5500 (combine_stack_adjustments_for_block): New.
5501 * rtl.h (combine_stack_adjustments): Declare.
5502 * toplev.c (rest_of_compilation): Call it.
5504 * i386.md: Revert 2000-01-16 change.
5506 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5508 * gccbug.in: Add web category, gcc specific classes.
5510 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5512 * stor-layout.c (finalize_record_size): Fix typo.
5514 2000-03-14 Stan Shebs <shebs@apple.com>
5516 * c-typeck.c (c_alignof): Error on incomplete types.
5517 * extend.texi (Alignment): Document this.
5519 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5521 * cppfiles.c: Include mkdeps.h.
5522 (find_include_file, read_include_file): Remove _cpp_ prefix
5523 from name, make static.
5524 (_cpp_execute_include): New function, broken out of
5527 * cpplib.c: Don't include mkdeps.h.
5528 (struct directive): Remove type field. Reorder entries. The
5529 function takes only one argument.
5530 (struct if_stack): Make type field an int.
5531 (directive_table): Rename to dtable. Generate it, the
5532 prototypes of the directive handlers, and the enum for the
5533 directive numbers, from a template macro.
5534 (do_ifndef, do_include_next, do_import): New functions.
5535 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5536 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5537 do_ident, do_assert, do_unassert, do_sccs): Take only one
5539 (do_sccs): Define always, but alter behavior based on
5541 (_cpp_handle_directive, consider_directive_while_skipping):
5542 Restructure for new directive table layout.
5544 (pass_thru_directive): Take a directive number, not a pointer
5545 to a struct directive.
5546 (parse_include): New function, broken out of do_include.
5547 (do_include, do_import, do_include_next): Use parse_include
5548 and _cpp_execute_include.
5549 (do_elif, do_else): Test for T_ELSE specifically when checking
5550 for #elif/#else after #else.
5551 (parse_ifdef): New function, broken out of do_ifdef.
5552 (validate_else): Expect a name arg without a leading #.
5553 (if_directive_name): Delete.
5554 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5555 directive handlers with only one argument.
5557 * cpphash.h: Update prototypes.
5558 (enum node_type): Remove entries for directives.
5559 * Makefile.in: Update dependencies.
5561 * cpphash.c (dump_hash_helper): Only dump nodes of type
5562 T_MACRO. Emit a newline after each definition.
5564 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5566 * gccbug.in: New file.
5567 * configure.in (all_outputs): Add gccbug.
5568 * Makefile.in (install-common): Install gccbug.
5569 (GCCBUG_INSTALL_NAME): New variable.
5570 * configure: Rebuilt.
5572 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5574 * function.c (put_var_into_stack): Use type_for_mode to calculate
5575 part_type. Use MEM_SET_IN_STRUCT_P.
5576 * expr.c (store_field): Handle CONCAT.
5577 (store_constructor): Use fields_length.
5578 * tree.c (fields_length): New fn.
5579 * tree.h: Declare it.
5581 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5583 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5584 (cpplex.o): New target.
5585 * po/POTFILES.in: Add cpplex.c.
5587 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5588 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5589 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5590 skip_block_comment, skip_line_comment, skip_comment,
5591 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5592 _cpp_parse_name, skip_string, parse_string,
5593 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5594 _cpp_get_directive_token, find_position,
5595 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5596 (maybe_macroexpand, _cpp_lex_token): New functions.
5598 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5599 parse_goto_mark): Delete.
5600 (_cpp_handle_eof): New function.
5601 (_cpp_handle_directive): Rename from handle_directive.
5602 (_cpp_output_line_command): Rename from output_line_command.
5603 (do_if, do_elif): Call _cpp_parse_expr directly.
5604 * cppfiles.c (_cpp_read_include_file): Don't call
5605 init_input_buffer here.
5606 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5607 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5608 here; pop the token_buffer and skip the rest of the line here.
5609 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5612 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5614 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5615 CPP_GOTO_MARK): New macros.
5616 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5617 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5618 _cpp_read_and_prescan, _cpp_init_input_buffer,
5619 _cpp_grow_token_buffer, _cpp_get_directive_token,
5620 _cpp_handle_directive, _cpp_handle_eof,
5621 _cpp_output_line_command): Prototype them here.
5622 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5623 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5624 quote_string, output_line_command): Remove.
5626 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5628 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5629 whether it is too large we must also verify that it isn't negative.
5631 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5633 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5634 (movsi_zero_liveg0): Remove.
5635 (movsf_insn_novis_liveg0): Remove.
5637 (negsi2_not_liveg0): Rename to negsi2.
5638 (one_cmplsi2): Remove.
5639 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5640 (one_cmplsi2_liveg0): Remove.
5641 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5642 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5643 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5644 (PREDICATE_CODES): Remove zero_operand.
5645 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5646 TARGET_BROKEN_SAVERESTORE.
5647 (zero_operand): Remove.
5648 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5649 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5651 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5652 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5653 TARGET_BROKEN_SAVERESTORE): Remove.
5654 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5656 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5658 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5661 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5663 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5665 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5666 truncating a string. Don't assume tokens are nul terminated.
5667 Problem noted by Andreas Jaeger <aj@suse.de>
5669 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5671 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5672 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5673 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5675 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5677 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5678 STRUCTURE_SIZE_BOUNDARY.
5680 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5682 * tree.h (record_layout_info_s): New structure.
5683 (record_layout_info): New type.
5684 (new_record_layout_info): New function.
5685 (layout_field): Likewise.
5686 (finish_record_layout): Likewise.
5687 * stor-layout.c (layout_record): Remove.
5688 (new_record_layout_info): New function.
5689 (layout_field): New function, broken out from layout_record.
5690 (finalize_record_size): Likewise.
5691 (compute_record_mode): Likewise.
5692 (finalize_type_size): New function, broken out from layout_type.
5693 (finish_record_layout): Likewise.
5694 (layout_type): Use them.
5696 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5698 * cpphash.c: Don't include version.h.
5699 (special_symbol) [case T_VERSION]: Look for the string in
5700 hp->value.cpval; don't use version_string.
5701 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5702 __VERSION__ to version_string.
5703 * Makefile.in (cpphash.o): Update deps.
5705 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5707 Convert cpplib to use libiberty/hashtab.c.
5709 * cpplib.h (struct cpp_reader): Make hashtab and
5710 all_include_files of type 'struct htab *'. Delete HASHSIZE
5711 and ALL_INCLUDE_HASHSIZE macros.
5713 * cpphash.h: Update prototypes.
5714 (struct hashnode): Remove next, prev, and bucket_hdr members.
5715 Make length a size_t. Add hash member.
5716 (struct ihash): Remove next member. Add hash member. Make
5717 name a flexible array member.
5719 * cppfiles.c: Include hashtab.h.
5720 (include_hash): Delete.
5721 (IHASHSIZE): New macro.
5722 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5723 (cpp_included): Do the hash lookup here.
5724 (_cpp_find_include_file): Rewrite.
5725 (cpp_read_file): Put the "fake" hash entry into the hash
5726 table. Honor the control_macro, if it turns out we've seen
5727 the file before. Don't push the buffer here.
5728 (_cpp_read_include_file): Push the buffer here.
5729 (OMODES): New macro. Use it whenever we call open(2).
5731 * cpphash.c: Include hashtab.h.
5732 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5733 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5734 _cpp_lookup_slot): New functions.
5735 (HASHSIZE): new macro.
5736 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5737 (_cpp_lookup): Use hashtab.h routines.
5739 * cppinit.c: Include hashtab.h.
5740 (cpp_reader_init): Call _cpp_init_macro_hash and
5741 _cpp_init_include_hash. Don't allocate hashtab directly.
5742 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5743 pfile->all_include_files.
5744 (initialize_builtins): Use _cpp_make_hashnode and
5745 htab_find_slot to add hash entries.
5746 (cpp_finish): Just call _cpp_dump_macro_hash.
5747 * cpplib.c: Include hashtab.h.
5748 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5749 create hash entries.
5750 (do_pragma_poison, do_assert): Likewise.
5751 (do_include): Don't push the buffer here. Don't increment
5752 system_include_depth unless _cpp_read_include_file succeeds.
5753 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5755 (do_pragma_implementation): Use alloca to create copy.
5757 * Makefile.in: Update dependencies.
5759 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5761 * cppinit.c (cl_directive_handler): More K&R fixing.
5763 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5765 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5767 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5769 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5771 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5772 Change from char[] to macros.
5774 2000-03-12 Neil Booth <NeilB@earthling.net>
5776 * cppinit.c (cpp_start_read): Update indirect function
5779 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5781 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5784 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5785 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5787 2000-03-11 Neil Booth <NeilB@earthling.net>
5789 * cppinit.c (struct pending option): Replace undef with a
5790 pointer to a directive handling routine.
5791 (struct cpp_pending): Replace separate assert_ and define_
5792 lists with one directive_ list.
5793 (new_pending_define): Rename new_pending_directive. Extra
5794 argument is the directive's handling routine.
5795 (handle_option): Update to use new_pending_directive.
5797 2000-03-11 Neil Booth <NeilB@earthling.net>
5799 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5800 remap_filename, _cpp_read_include_file, actual_directory,
5801 hack_vms_include_specification): Replace bcopy(), index() etc
5802 calls. Add casts to some allocations. Make some variables
5803 pointers to const [unsigned] char.
5804 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5805 collect_formal_parameters): Similarly.
5806 * cppinit.c (struct pending_option, append_include_chain,
5807 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5808 cpp_start_read, new_pending_define, handle_option): Similarly.
5809 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5810 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5811 do_pragma_implementation, detect_if_not_defined,
5812 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5813 do_assert, do_unassert): Similarly.
5814 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5815 function prototypes.
5816 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5818 2000-03-10 Richard Henderson <rth@cygnus.com>
5820 * builtins.c (expand_builtin_strlen): Revert last change.
5821 Use emit_insn_before if we're at the beginning of a sequence.
5823 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5825 * builtins.c (expand_builtin_strlen): Make sure that we have something
5826 at the beginning of the sequence.
5828 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5831 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5833 2000-03-10 Richard Henderson <rth@cygnus.com>
5835 * except.c (can_throw): Use INTVAL on a CONST_INT.
5836 (reachable_handlers): Likewise.
5837 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5839 2000-03-10 Andreas Jaeger <aj@suse.de>
5841 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5842 MD_STARTFILE_PREFIX since those are not needed on linux.
5843 (ASM_FILE_START): New, from mips/gnu.h.
5845 2000-03-09 Richard Henderson <rth@cygnus.com>
5846 Alex Samuel <samuel@codesourcery.com> and others
5848 * Makefile.in (ssa.o): New rule.
5850 (STAGESTUFF): Add *.ssa and *.ussa.
5851 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5852 * rtl.def (PHI): New RTL expression.
5853 * rtl.h (clear_log_links): New declaration.
5854 (convert_to_ssa): Likewise.
5855 (convert_from_ssa): Likewise.
5856 * flow.c (split_edge): If the entry node falls through to the
5857 split edge's source block, split the entry edge.
5858 (clear_log_links): New function.
5859 * toplev.c (ssa_dump): New variable.
5860 (flag_ssa): Likewise.
5861 (f_options): Add "ssa".
5862 (compile_file): Create SSA dump files.
5863 (rest_of_compilation): Go to and from SSA if enabled.
5864 (decide_d_option): Handle -de for SSA dump files.
5867 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5869 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5872 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5874 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5876 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5878 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5879 (MD_STARTFILE_PREFIX_1): New macro.
5881 2000-03-09 Robert Lipe <robertl@sco.com>
5883 * config/ia64/ia64.c: Include system.h.
5885 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5887 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5888 (init_eh_nesting_info): Likewise.
5890 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5891 (TREE_NOTHROW): Rename from TREE_RAISES.
5892 * toplev.c (rest_of_compilation): Set it.
5893 * print-tree.c (print_node): Adjust.
5894 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5895 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5896 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5897 REG_EH_REGION note as appropriate.
5898 (libfunc_nothrow): New fn.
5899 (emit_library_call, emit_library_call_value): Use it.
5900 (expand_call): Check TREE_NOTHROW.
5902 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5903 DECL_ASSEMBLER_NAME.
5905 2000-03-09 Andreas Jaeger <aj@suse.de>
5907 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5908 (TARGET_MEM_FUNCTIONS): Define.
5910 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5912 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5914 * except.c (can_throw): See through a SEQUENCE.
5915 (nothrow_function_p): New fn.
5916 * except.h: Declare it.
5917 * function.c (current_function_nothrow): New var.
5918 (prepare_function_start): Initialize it.
5919 * output.h: Declare it.
5920 * toplev.c (rest_of_compilation): Set it.
5921 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5923 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5925 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5926 match. (cpp_compare_defs): Count the nul separator when
5927 advancing over argument names.
5929 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5931 * recog.c (preprocess_constraints): Matching constraints affect
5932 same alternative/different operand, not same operand/different
5935 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
5936 register and a constant specially.
5938 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5940 * libgcc2.h: New file.
5941 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
5943 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
5945 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
5946 * configure: Regenerate.
5949 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5951 * Makefile.in (LIBCPP_DEPS): New macro.
5952 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
5954 * cpperror.c: Include cpphash.h.
5955 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
5957 (lex): Don't use CPP_WARN_UNDEF.
5958 (_cpp_parse_expr): Return an int, the truth value.
5959 * cppfiles.c: Include cpphash.h.
5960 (_cpp_merge_include_chains): Move to cppinit.c and make static.
5961 * cppinit.c (include_defaults_array): Disentangle.
5962 (cpp_cleanup): Don't free the if stack here.
5963 (cpp_finish): Pop off all buffers, not just one.
5964 * cpplib.c (eval_if_expr): Return int.
5965 (do_xifdef): Rename do_ifdef.
5966 (handle_directive): Don't use CPP_PREPROCESSED.
5967 (cpp_get_token): Don't use CPP_C89.
5968 * fix-header.c: Don't use CPP_OPTIONS.
5970 * cpplib.h: Move U_CHAR, enum node_type, struct
5971 file_name_list, struct ihash, is_idchar, is_idstart,
5972 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
5973 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
5974 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
5975 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
5976 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
5977 of _cpp_simplify_pathname, _cpp_find_include_file,
5978 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
5979 Move struct if_stack to cpplib.c. Move struct cpp_pending to
5981 Change all uses of U_CHAR to be unsigned char instead.
5982 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
5984 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5986 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
5987 (dwarf2out_begin_prologue): Set it.
5988 (output_call_frame_info): Don't emit EH unwind info for leaves.
5990 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
5991 can occur outside of an EH region.
5992 * except.c: Correct comments about rethrow behavior.
5993 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
5995 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
5997 * flow.c (make_edges): Always call make_eh_edge for calls.
5999 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6001 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6002 (struct cpp_buffer): Remove fname and underflow fields.
6003 (struct cpp_reader): Remove get_token field.
6004 (struct include_hash): Rename to struct ihash. Add typedef to
6006 (struct if_stack): Remove fname field.
6007 (IF_STACK_FRAME): Rename to IF_STACK.
6009 * cpperror.c (print_containing_files): Trust that there are no
6010 macro buffers below the top file buffer.
6011 * cppfiles.c: Replace all references to 'struct include_hash'
6012 with 'IHASH'. Rename initialize_input_buffer to
6013 init_input_buffer. Don't set or reference cpp_buffer->fname,
6014 use buffer->ihash->name instead.
6015 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6016 not CPP_NULL_BUFFER.
6017 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6018 IF_STACK_FRAME, IHASH not struct include_hash.
6019 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6020 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6021 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6022 references to cpp_buffer->fname (delete entirely, or use
6023 ->ihash->name instead) and IF_STACK->fname.
6024 (cpp_push_buffer): Don't set new->underflow.
6025 (do_include): Use cpp_file_buffer.
6027 * cpphash.c (collect_formal_parameters): Remove duplicate
6028 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6029 used as a macro argument name. Don't append "..." to namebuf
6030 for varargs macros. After we're done scanning, go through
6031 namebuf and make it NUL separated, not comma separated.
6032 (_cpp_compare_defs): Remove register tag from variables.
6033 Expect defn->argnames to be NUL separated.
6034 (_cpp_dump_definition): Expect defn->argnames to be NUL
6035 separated and in forward order.
6036 * cpphash.h: Update documentation of argnames field.
6038 2000-03-08 Richard Henderson <rth@cygnus.com>
6040 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6041 to fail. Don't pre-expand the source operand.
6043 * i386.md (strlensi): Initialize eoschar and align before use.
6045 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6047 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6048 CONSTRUCTOR element.
6050 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6052 * mips.c (mips_expand_prologue): If the last
6053 named argument is the vararg marker "va_list", treat it as
6054 an unnamed argument.
6056 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6058 * dbxout.c (dbxout_parms): When correcting for promoted
6059 big-endian parameters, use the mode of the DECL_RTL rather
6060 than UNITS_PER_WORD.
6062 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6064 * c-common.h (make_fname_decl): Declare.
6065 * c-common.c (make_fname_decl): Define.
6066 (declare_hidden_char_array): Remove.
6067 (declare_function_name): Use make_fname_decl.
6068 * c-decl.c (c_make_fname_decl): New function.
6069 (init_decl_processing): Set make_fname_decl.
6071 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6073 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6075 2000-03-07 Philipp Thomas <pthomas@suse.de>
6077 * po/POTFILES.in: Remove cppalloc.c from file list.
6079 2000-03-07 Steve Chamberlain <sac@pobox.com>
6081 * pj.c (pj_expand_prologue): current_function->args_info is
6082 now current_function_args_info.
6084 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6085 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6086 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6088 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6090 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6091 output as hexadecimal rather than the default octal.
6093 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6095 * cpphash.c (special_symbol): Fix thinko in previous commit.
6097 2000-03-07 Neil Booth <NeilB@earthling.net>
6099 * cppexp.c (struct operation, left_shift, right_shift,
6100 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6101 "int"s to "unsigned int"s.
6102 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6104 * cpplib.h: Update for above.
6105 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6106 returned from allocations.
6108 * cppinit.c (opt_comp, parse_options): New functions.
6109 (handle_option): Use parse_option to parse a single command
6110 line option, that possibly takes an argument.
6111 (cpp_handle_options): Sort the array of command line options on
6112 first invocation (non-ASCII hosts only).
6113 (print_help): Update.
6115 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6117 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6118 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6120 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6122 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6124 * cpperror.c (cpp_print_containing_files,
6125 cpp_print_file_and_line, v_cpp_message): Rename to
6126 print_containing_files, print_file_and_line, and v_message.
6127 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6128 to _cpp_parse_expr, parse_escape, and lex.
6129 (parse_charconst): Remove broken multibyte support.
6130 * cppfiles.c (include_hash): Make static.
6131 (cpp_included): New function.
6132 (merge_include_chains, find_include_file, finclude,
6133 simplify_pathname): Rename to _cpp_merge_include_chains,
6134 _cpp_find_include_file, _cpp_read_include_file, and
6135 _cpp_simplify_pathname.
6136 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6137 cpp_install, create_definition, macroexpand, compare_defs,
6138 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6139 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6140 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6141 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6143 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6145 * cpphash.h: Update prototypes.
6146 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6148 2000-03-07 Andrew Haley <aph@cygnus.com>
6150 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6151 PTRDIFF_TYPE should be based solely on Pmode.
6154 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6156 * rtl.h (rtunion_def): Constify member `rtstr'.
6157 (emit_line_note_after, emit_line_note, emit_line_note_force,
6158 emit_note, decode_asm_operands): Constify.
6160 * cse.c (canon_hash): Likewise.
6162 * dbxout.c (dbxout_block): Likewise.
6164 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6165 v_warning_for_asm): Likewise.
6167 * dwarfout.c (function_start_label): Likewise.
6169 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6170 emit_line_note_force): Likewise.
6172 * final.c (last_filename, asm_insn_count, final_scan_insn,
6173 output_source_line): Likewise.
6175 * function.h (struct emit_status): Likewise.
6177 * gcse.c (hash_expr_1): Likewise.
6179 * genattr.c (gen_attr, main): Likewise.
6181 * genattrtab.c (struct function_unit, current_alternative_string,
6182 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6183 attr_numeral, check_attr_test, check_attr_value,
6184 convert_set_attr_alternative, convert_set_attr,
6185 compute_alternative_mask, simplify_by_exploding, gen_attr,
6186 gen_unit): Likewise.
6188 * genflags.c (gen_insn): Likewise.
6190 * gengenrtl.c (type_from_format): Likewise.
6192 * genopinit.c (gen_insn): Likewise.
6194 * genoutput.c (n_occurrences, process_template, process_template):
6197 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6200 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6203 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6204 ggc_set_mark, ggc_get_size): Likewise.
6206 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6208 * optabs.c (init_one_libfunc): Likewise.
6210 * output.h (assemble_start_function): Likewise.
6212 * recog.c (decode_asm_operands): Likewise.
6214 * toplev.c (rest_of_compilation): Likewise.
6216 * tree.h (emit_line_note_after, emit_line_note,
6217 emit_line_note_force): Likewise.
6219 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6220 asm_emit_uninitialised, assemble_start_function,
6221 assemble_variable, const_hash, compare_constant_1,
6222 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6224 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6226 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6228 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6230 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6232 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6233 arm_dllimport_name_p): Likewise.
6235 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6238 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6240 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6242 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6243 arm_mark_dllexport, arm_mark_dllimport,
6244 arm_pe_encode_section_info): Likewise.
6246 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6247 ASM_FINISH_DECLARE_OBJECT): Likewise.
6249 * arm/thumb.c (thumb_function_prologue): Likewise.
6251 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6253 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6255 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6257 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6259 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6261 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6263 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6264 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6266 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6268 * i386/i386.c (asm_output_function_prefix): Likewise.
6270 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6272 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6274 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6276 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6277 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6278 ASM_OUTPUT_SECTION_NAME): Likewise.
6280 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6282 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6284 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6286 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6288 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6290 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6292 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6294 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6296 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6298 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6300 * mips/mips.md (movdi, movsi): Likewise.
6302 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6304 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6306 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6308 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6309 ASM_OUTPUT_ASCII): Likewise.
6311 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6312 output_mi_thunk, output_toc): Likewise.
6314 * rs6000/rs6000.md (movsi): Likewise.
6316 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6318 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6320 * v850/v850.c (print_operand, print_operand_address,
6321 v850_encode_data_area): Likewise.
6323 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6325 * config/mips/mips.md (zero_extendsidi2): Always force operand
6326 one to memory for mips16.
6328 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6330 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6331 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6332 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6333 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6334 (min_precision): Result is unsigned.
6335 (add_double, neg_double, mul_double): Low word is unsigned.
6336 (lshift_double, rshift_double, lrotate_double): Likewise.
6337 (rrotate_double, div_and_round_double): Likewise.
6338 (tree_floor_log2, compare_tree_int): New functions.
6339 (preserve_rtl_expr_temps): New declaration.
6340 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6341 (decl_attributes): Use tree_log2 to find alignment.
6342 Check for TREE_INT_CST_HIGH for format args.
6343 (min_precision): Now unsigned.
6344 Use tree_floor_log2.
6345 (truthvalue_conversion): Delete long-disabled code.
6346 * c-decl.c (finish_struct): Clean up tests on field width.
6347 (finish_function): Use compare_tree_int.
6348 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6349 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6350 (default_conversion, digest_init): Use compare_tree_int.
6351 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6352 Fix type errors in forming masks.
6353 * calls.c (initialize_argument_information): Use compare_tree_int.
6354 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6355 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6356 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6357 (store_field): Use compare_tree_int.
6358 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6359 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6360 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6361 (do_store_flag): Use compare_tree_int.
6362 * fold-const.c (encode, decode): Low part is always unsigned.
6363 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6364 (lshift_double, rshift_double, lrotate_double): Likewise.
6365 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6366 (fold_convert): Use compare_tree_int.
6367 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6368 (invert_truthvalue, case INTEGER_CST): Likewise.
6369 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6370 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6371 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6372 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6374 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6375 (expand_end_case): Use compare_tree_int.
6376 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6377 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6378 (layout_decl): Likewise.
6379 (layout_record, layout_union): Make sizes unsigned.
6380 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6381 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6382 * tree.c (struct type_hash): hashcode is unsigned.
6383 (build_type_attribute_variant, type_hash_list): Likewise.
6384 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6385 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6386 (build_complex_type): Likewise.
6387 (real_value_from_int_cst): Remove unneeded casts.
6388 (integer_all_onesp): Add casts.
6389 (tree_floor_log2, compare_tree_int): New functions.
6390 (build_index_type): Use tree_int_cst_sgn.
6391 * varasm.c (assemble_variable): Use compare_tree_int.
6393 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6395 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6397 * varasm.c (make_decl_rtl): Don't add a number to members of
6399 (make_function_rtl): Likewise.
6401 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6403 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6404 patch from 2000-01-28.
6406 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6408 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6409 filled with an insn from the jump target.
6411 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6413 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6414 (c4x_external_ref): Likewise.
6415 * config/c4x/c4x.c (struct name_list): Likewise.
6417 1999-12-16 Ben Collins <bcollins@debian.org>
6419 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6420 argument to genmultilib.
6421 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6422 the contents into the multilib.h header.
6423 * gcc.c: Declare multilib_exclusions for the specs file.
6424 (set_multilib_dir): Use it.
6425 (print_multilib_info): Likewise.
6426 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6427 to pass to genmultilib.
6429 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6431 * builtins.c (built_in_class_names, built_in_names): Constify a
6434 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6436 (_mcleanup): Ensure value matches format specifier in sprintf.
6438 * cpphash.c (special_symbol): Don't needlessly cast away
6441 * cppinit.c (base_name): Delete unused prototype.
6443 * mkdeps.c (deps_init): Make definition K&R safe.
6445 * tree.h (built_in_class_names, built_in_names): Constify a
6448 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6450 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6451 floating point instructions for epilogue delay.
6453 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6454 to gas if it supports .register pseudo.
6456 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6457 LONG_DOUBLE_TYPE_SIZE if not defined.
6458 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6459 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6461 * gengenrtl.c: Likewise.
6462 * print-rtl.c: Likewise.
6464 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6465 MASK_LONG_DOUBLE_128.
6466 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6467 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6468 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6469 (SUBTARGET_SWITCHES): Define.
6470 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6471 with -mlong-double-128.
6472 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6473 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6474 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6475 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6476 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6477 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6478 with -mlong-double-128.
6479 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6480 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6481 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6482 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6483 TARGET_LONG_DOUBLE_128): Define.
6484 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6485 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6486 long double on TARGET_ARCH64.
6488 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6490 * function.c (free_temps_for_rtl_expr): Don't free slots
6491 that have been pushed into a higher level.
6494 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6496 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6498 * basic-block.h (ALLOCA_REG_SET): Remove.
6499 (INITIALIZE_REG_SET): New macro.
6500 * flow.c (update_life_info): Use it.
6501 (calculate_global_regs_live): Likewise.
6502 (propagate_block): Likewise.
6503 * global.c (build_insn_chain): Likewise.
6504 * haifa-sched.c (schedule_region): Likewise.
6506 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6508 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6509 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6510 (DWARF_ARANGES_PAD_SIZE): New define.
6511 (output_aranges): Use it to pad the address range header.
6512 (DWARF_ROUND): Fix for non power of 2 rounding.
6514 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6516 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6518 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6520 * tree.def (RTL_EXPR): Update documentation.
6521 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6522 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6523 * function.c (preserve_rtl_expr_temp): New function.
6524 (preserve_rtl_expr_temps): Likewise.
6525 (preserve_rtl_expr_result): Use it.
6528 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6530 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6532 * regmove.c (copy_src_to_dest) Do not create src->dest move
6533 for unchanging destination.
6535 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6537 * function.h (struct sequence_stack): Remove rtl_expr.
6538 (struct emit_staus): Likewise.
6539 (seq_rtl_expr): Remove.
6540 * tree.h (free_temps_for_rtl_expr): Don't declare.
6541 (start_sequence_for_rtl_expr): Likewise.
6542 * rtl.h (preserve_rtl_expr_result): Likewise.
6543 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6544 (start_sequence_for_rtl_expr): Remove.
6545 (push_topmost_sequence): Don't save sequence_rtl_expr.
6546 (pop_topmost_sequence): Remove comment about not restoring it.
6547 (end_sequence): Don't set seq_rtl_expr.
6548 (init_emit): Don't initialize it.
6549 (mark_sequence_stack): Don't mark it.
6550 (mark_emit_status): Likewise.
6551 * except.c (protect_with_terminate): Use
6552 start_sequence_for_rtl_expr, not start_sequence.
6553 * expr.c (expand_expr, case RTL_EXPR): Don't call
6554 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6555 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6556 (preserve_rtl_expr_result): Remove.
6557 (free_temps_for_rtl_expr): Likewise.
6558 (pop_temp_slots): Likewise.
6559 (mark_temp_slot): Don't mark the rtl_expr.
6560 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6561 start_sequence_for_rtl_expr.
6563 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6565 * mkdeps.c, mkdeps.h: New files.
6566 * po/POTFILES.in: Add them.
6567 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6568 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6569 (mkdeps.o): New target.
6571 * cppfiles.c: Delete deps_output.
6572 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6573 OBJECT_SUFFIX, and base_name.
6574 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6576 (initialize_dependency_output): Use deps_init,
6577 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6578 all the unnecessary string bashing.
6579 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6581 * cpplib.c (do_include): Use deps_add_dep.
6582 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6583 deps_allocated_size, deps_size, deps_column members with
6584 single pointer to a struct deps. Delete prototype of
6587 * cppinit.c: Fix thinko in previous patch.
6589 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6591 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6592 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6593 (mode_for_size_tree): New function.
6594 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6595 * tree.h (mode_for_size_tree): New declaration.
6597 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6599 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6601 * stmt.c (is_body_block): Move...
6602 * dwarfout.c, dwarf2out.c: ...from here.
6603 * tree.h: Declare it.
6604 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6605 * final.c (final_start_function): Do call remove_unnecessary_notes
6608 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6610 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6612 * cpplib.h (_dollar_ok): New macro.
6613 (is_idchar, is_idstart): Use it.
6614 (IStable): Rename to _cpp_IStable. Declare it const if
6615 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6616 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6617 is_space): Update for renamed IStable.
6619 * cppinit.c: Delete all references to FAKE_CONST and CAT
6620 macros. Define init_IStable as empty macro if gcc >=2.7 or
6621 C99. Change TABLE() to ISTABLE and hardcode name of table.
6622 (cpp_start_read): Don't change the IStable based on
6625 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6626 changed. Handle '$' for char1 correctly.
6627 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6629 * cppexp.c (tokentab2): Make const.
6630 (cpp_lex): Make toktab const.
6631 * cppinit.c (include_defaults_array): Make const.
6632 (initialize_standard_includes): Make default_include const.
6634 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6636 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6637 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6638 (gen_decl_die): Likewise.
6639 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6640 (output_decl): Likewise.
6642 * varasm.c (make_function_rtl): If we change the name used in the
6643 rtl, update DECL_ASSEMBLER_NAME accordingly.
6644 (make_decl_rtl): Likewise.
6646 * toplev.c (rest_of_compilation): Tweak formatting.
6648 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6649 remove_unnecessary_notes.
6650 (debug_ignore_block): New fn.
6651 * toplev.h: Declare it.
6652 * emit-rtl.c (remove_unncessary_notes): Call it.
6653 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6654 * dwarf2out.h: Declare it.
6655 * final.c (final_start_function): Don't call remove_unnecessary_notes
6656 if we did insn scheduling.
6658 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6660 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6661 * cpplib.h: Delete SET_CPP_PEDANTIC.
6663 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6665 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6666 result is a RECORD_TYPE.
6668 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6670 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6672 2000-03-03 Richard Henderson <rth@cygnus.com>
6674 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6675 addition over compliments over shifts.
6677 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6679 * reload1.c (reload_combine_note_use): Handle return register USEs.
6680 REG case: Handle multi-hard-register hard regs.
6682 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6684 * md.texi: Document use of '*' in insn pattern name.
6686 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6688 * calls.c (special_function_p): operator new may not be malloc-like.
6690 * gcse.c (dump_hash_table): Really fix error in last change.
6692 2000-03-02 Denis Chertykov <denisc@overta.ru>
6694 * avr.c (print_operand): Use print_operand_address instead of
6696 * avr/libgcc.S: Cleanup code.
6698 2000-03-02 Richard Henderson <rth@cygnus.com>
6700 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6702 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6704 * tree.h (TYPE_ALIGN_UNIT): New macro.
6706 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6708 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6710 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6712 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6714 (SET_CPP_PEDANTIC): New macro.
6715 * cpplib.c (do_include): Don't bother checking system_header_p.
6716 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6717 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6719 * function.h (struct expr_status): Add x_arg_space_so_far.
6720 (arg_space_so_far): New macro.
6721 * expr.c (init_expr): Initialize it.
6722 * calls.c (emit_call_1): Reset it.
6723 (compute_argument_block_size, expand_call): Use it.
6724 (expand_call, store_one_arg): Increment it.
6726 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6728 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6731 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6733 * cppfiles.c (cpp_read_file): New function.
6735 * cpphash.c (collect_expansion): Make sure to reset last_token
6736 to NORM when we hit a string. Handle trailing whitespace
6737 properly when the expansion is empty.
6738 (create_definition): Disable line commands while parsing the
6740 (dump_definition): If pfile->lineno == 0, output a line
6741 command ahead of the dump, and add a trailing newline.
6743 * cppinit.c (append_include_chain): Add fifth argument, which
6744 indicates whether or not system headers are C++ aware.
6745 (initialize_standard_includes): New function,
6746 broken out of read_and_prescan. Pass 'cxx_aware' value from
6747 the include_defaults_array on to append_include_chain.
6748 (dump_special_to_buffer): Const-ify char array.
6749 (builtin_array): Don't dump __BASE_FILE__.
6750 (cpp_start_read): Use cpp_read_file. Reorder code for
6751 clarity. Don't output line commands here for -D/-A/-U
6752 switches. Don't call deps_output for files included with
6753 -include or -imacros.
6755 * cpplib.c (do_define): Don't pay any attention to the second
6757 (cpp_expand_to_buffer): Disable line commands while scanning.
6758 (output_line_command): Work in the file buffer.
6759 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6760 Fix formatting of comments. Prototype cpp_read_file.
6762 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6764 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6765 reference the language-equivalent of sizetype.
6766 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6767 * fold-const.c (size_binop, size_diffop): Put back checks.
6768 * gcse.c (dump_hash_table): Fix minor error in last change.
6769 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6770 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6773 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6775 * calls.c (expand_call) Do not attempt to combine stack adjustments
6776 with inhibit_defer_pop set.
6778 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6780 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6781 the DECL_SIZE for a FIELD_DECL.
6783 2000-03-01 Bruce Korb <bkorb@gnu.org>
6785 * fixinc/inclhack.tpl: remove unused symlinks
6786 * fixinc/README: GCC Maintainer info
6787 * fixinc/inclhack.sh: regen
6788 * fixinc/fixincl.sh: regen
6790 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6792 * cpphash.c (collect_expansion): Trim trailing white space
6793 from macro definitions, but don't go past the last insertion
6796 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6798 * i386.md (mulqi3): New pattern.
6800 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6802 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6804 (struct cpp_reader): Add parsing_if_directive and
6805 parsing_define_directive flags.
6806 (struct cpp_options): Remove output_conditionals flag.
6807 (check_macro_name): Delete prototype.
6809 * cpphash.h (struct macrodef): Delete.
6810 (struct reflist): Separate from struct definition.
6811 (struct definition): Remove unused fields. Add column number.
6812 (create_definition): Returns a DEFINITION *. Takes a
6813 cpp_reader * and an int.
6815 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6816 (PEEKC): Copy defn from cpplib.c.
6817 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6819 (struct arglist): Simplify.
6820 (collect_expansion): Rewrite. Get tokens by calling
6821 cpp_get_token. Add more error checking.
6822 (collect_formal_parameters): New function, broken out of
6823 create_definition and reworked to use get_directive_token.
6824 (create_definition): All real work is now in collect_expansion
6825 and collect_formal_parameters. do_define handles finding the
6826 macro name. Return a DEFINITION, not a MACRODEF.
6827 (macroexpand): Replace bcopy with memcpy throughout. Replace
6828 character-at-a-time copy loop with memcpy and pointer increments.
6829 (compare-defs): d1->argnames / d2->argnames might be null.
6831 * cpplib.c (copy_rest_of_line): Delete function.
6832 (skip_rest_of_line): Do all the work ourselves.
6833 (skip_string): New function.
6834 (parse_string): Use skip_string.
6835 (get_macro_name): New function.
6836 (check_macro_name): Delete.
6837 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6838 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6839 (handle_directive): ICE if we're called on a macro buffer.
6840 (do_define): Determine macro name and type (funlike/objlike)
6841 here. Expunge all uses of MACRODEF.
6842 (cpp_push_buffer): Set line_base to NULL.
6843 (do_undef, read_line_number): Don't worry about getting a POP token.
6844 (eval_if_expression): Set/reset parsing_if_directive around
6845 cpp_parse_expr. Don't clear only_seen_white.
6846 (skip_if_group): Remove output_conditionals logic. Use
6848 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6849 tokens under appropriate conditions.
6850 (cpp_unassert): Call do_unassert not do_assert. Oops.
6852 * cppexp.c (parse_defined): New function, break out of
6854 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6855 ourselves, with cpp_defined.
6856 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6858 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6859 * gcc.dg/strpaste-2.c: New.
6861 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6863 * fold-const.c (size_binop): Don't asert inputs are the same and
6864 have TYPE_IS_SIZETYPE set.
6865 (size_diffop): Likewise.
6867 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6869 * dwarfout.c (output_block): Output abstract blocks even if they
6870 don't have TREE_ASM_WRITTEN set.
6872 * calls.c (emit_library_call): Check for null REG.
6874 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6876 * c-decl.c (current_function_decl): Move to toplev.c.
6877 (init_decl_processing): Don't add current_function_decl as a ggc
6879 * dbxout.c (dbxout_symbol): Change return type to int.
6880 (dbxout_symbol_location, dbxout_syms): Likewise.
6881 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6882 any locals. Use current_function_func_begin_label if set.
6883 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6884 * dwarf2out.c (dwarf2out_begin_prologue): Set
6885 current_function_func_begin_label.
6886 * final.c (final_start_function): Reset it.
6887 * toplev.c (current_function_decl): Define it here.
6888 (current_function_func_begin_label): New variable.
6889 (main): Add both as ggc roots.
6890 * tree.h (current_function_func_begin_label): Declare.
6892 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6894 * gcse.c: Cleanups throughout: mostly white-space, but also
6895 some minor rearrangement of code.
6897 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6899 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6900 returns a PARALLEL. Use emit_group_load and use_group_regs
6902 (emit_library_call_value): Similarly.
6904 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6905 * pa/quadlib.asm: Remove.
6906 * pa/quadlib.c: New file.
6908 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6909 * configure: Rebuilt.
6911 2000-02-29 Philip Blundell <pb@futuretv.com>
6913 * config/arm/conix-elf.h: New file.
6914 * configure.in (arm*-*-conix*): New configuration.
6915 * configure: Regenerate.
6917 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6919 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6920 don't have TREE_ASM_WRITTEN set.
6922 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6924 * Eliminate DECL_FIELD_SIZE.
6925 * builtins.c (built_in_class_names, built_in_names): New variables.
6926 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6927 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6928 DECL_SIZE, not DECL_FIELD_SIZE.
6929 * print-tree.c (print_node): Remove code that prints extra blank
6930 lines in some cases.
6931 Properly handle inline and builtin function cases.
6932 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
6933 * tree.h (built_in_class_named, built_in_names): New declarations.
6934 (union tree_decl): Rename internal unions to u1 and u2 and change
6935 some of their components.
6936 Add new field built_in_class.
6937 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
6938 Reflect above changes.
6939 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
6940 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
6941 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
6942 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
6944 2000-02-28 Dmitri Makarov <dim@windriver.com>
6946 * extend.texi: Document ARM's support for long/short calls.
6948 * invoke.texi: Document ARM's -mlong-calls command line switch.
6950 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
6951 (arm_encode_call_attribute): Add prototype.
6952 (arm_set_default_type_attribute): Add prototype.
6953 (arm_strip_name_encoding): Add prototype.
6955 * config/arm/arm.c (arm_init_cumulative_args): replace
6956 initialisation og 'long_calls' field with initialisation of
6957 'call_cookie' field.
6958 (enum arm_pragma_enum): New enum.
6959 (arm_pragma_long_calls): New static variable.
6960 (arm_process_pragma): Also process "#pragma long_calls_off".
6961 (arm_valid_type_attribute_p): Accept short_call attribute.
6962 (arm_comp_type_attributes): Check long/short call attributes.
6963 (arm_encode_call_attribute): New function: Encode long_call
6964 or short_call attribute in function name.
6965 (arm_set_default_type_attributes): New function: Assign
6966 default attributes to newly defined type.
6967 (current_file_function_operand): New function: Return true if
6968 the symbol is a function which has already been compiled.
6969 (arm_is_longcall_p): New function: Return true if the
6970 indicated function should be called via a long call.
6971 (arm_get_strip_length): New function. Returns number of
6972 prefix characters to be stripped from a function's name.
6973 (arm_strip_name_encoding): New function. Strip prefix characters
6974 from a function's name.
6976 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
6978 (SHORT_CALL_FAG_CHAR): Define.
6979 (LONG_CALL_FAG_CHAR): Define.
6980 (ENCODED_SHORT_CALL_ATTR_P): Define.
6981 (ENCODED_LONG_CALL_ATTR_P): Define.
6982 (ARM_NAME_ENCODING_LENGTHS): Define.
6983 (STRIP_NAME_ENCODING): Define.
6984 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
6985 (ARM_ENCODE_CALL_TYPE): Define.
6986 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
6987 (ARM_DECLARE_FUNCTION_SIZE): Define.
6988 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
6990 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
6991 if a long call is needed.
6992 (call_value): Ditto.
6993 (call_symbol): Ditto.
6995 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
6996 ARM_DECLARE_FUNCTION_SIZE.
6998 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
6999 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7000 (ARM_STRIP_NAME_ENCODING): Undefine.
7001 (STRIP_NAME_ENCODING): Undefine.
7002 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7003 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7004 (ASM_OUTPUT_COMMON): Ditto.
7005 (ASM_DECLARE_OBJECT_NAME): Ditto.
7007 * config/arm/pe.c (arm_dllexport_name_p): Check for
7009 (arm_dllimport_name_p): Ditto.
7010 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7011 (arm_mark_dllimport): Ditto.
7013 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7015 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7017 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7019 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7021 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7023 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7024 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7025 NO_BUILTIN_WCHAR_TYPE is not defined.
7026 (CPP_WCHAR_TYPE): Delete.
7027 * cccp.c (main): Don't change wchar_type if cplusplus.
7028 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7030 2000-02-28 Nick Clifton <nickc@cygnus.com>
7032 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7034 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7036 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7037 (ASM_WEAKEN_LABEL): Define.
7039 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7041 * expr.c (store_constructor): Do not emit USE.
7042 * rtl.h (stupid_life_analysis): Remove.
7044 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7046 * function.c (number_blocks): Reset next_block_index based on
7047 what debugging format is used, not what is defined.
7049 * lcm.c: Minor reformatting throughout.
7050 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7052 * toplev.c (rest_of_compilation): Account for time in
7053 optimize_mode_switching.
7055 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7056 if only marking labels.
7058 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7060 * calls.c (expand_call): Attempt to combine stack adjustments with
7061 pending stack adjustments.
7063 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7065 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7066 to the end of the function.
7068 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7070 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7072 * final.c (next_block_index): Remove.
7073 (max_block_depth): Likewise.
7074 (pending_blocks): Likewise.
7075 (init_final): Don't initialize them.
7076 (final_start_function): Don't set next_block_index. Set up
7078 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7079 * function.h (number_blocks): New function.
7080 * function.c (get_block_vector): New function.
7081 (identify_blocks): Use it.
7082 (reorder_blocks): Set NOTE_BLOCK.
7083 (number_blocks): New function.
7084 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7085 * tree.h (BLOCK_NUMBER): New macro.
7086 (tree_block): Add block_num field.
7087 * dbxout.c (next_block_number): Remove.
7088 (dbxout_init): Don't set it.
7089 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7090 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7092 * toplev.c (rest_of_compilation): Always call
7093 find_loop_tree_blocks. Fix indentation.
7094 * dwarf2out.c (next_block_number): Remove.
7095 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7096 to determine block numbers.
7097 (gen_inlined_subroutine_die): Likewise.
7098 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7099 (decls_for_scope): Don't increment next_block_number.
7100 * dwarfout.c (next_block_number): Remove.
7101 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7102 to determine block numbers.
7103 (output_inlined_subroutine_die): Likewise.
7104 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7105 (output_decls_for_scope): Don't increment next_block_number.
7106 * sdbout.c (next_block_number): Remove.
7107 (sdbout_block): Use BLOCK_NUMBER.
7108 (sdbout_begin_block): Simplify.
7109 * xcoffout.c (next_block_number): Remove.
7110 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7111 (xcoffout_begin_block): Don't set next_block_number.
7112 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7115 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7117 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7118 (expand_builtin_strcpy): Pass correct type to size_binop.
7119 (expand_builtin_strcmp): Likewise.
7120 Clean up conditional structure.
7121 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7122 (complete_array_type): Don't use size_binop for MAXINDEX.
7123 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7124 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7125 (c_alignof): Use size_one_node.
7126 (build_unary_op): Pass arg of proper type to size_binop.
7127 (really_start_incremental_init, push_init_level): Use sizetype for
7128 constructor{,_bit,_unfilled}_index.
7129 (pop_init_label, output_init_element): Likewise.
7130 (output_pending_init_elements, process_init_element): Likewise.
7131 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7132 * expr.c (store_expr): Use size_int.
7133 (store_constructor): Use proper types for size_binop args.
7134 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7135 (expand_expr_unaligned): Likewise.
7136 (string_contant): Return object of sizetype.
7137 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7138 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7139 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7140 * fold-const.c (int_const_binop): Refine when size_int is called.
7141 (fold_convert): Likewise.
7142 (size_int_wide): Rework to take KIND as arg, only take low order
7143 bits, handle new sizetype_tab datatype, and chain entries in
7145 (size_int_type_wide): New function.
7146 (size_binop): Validate types of arguments.
7147 (ssize_binop): Deleted.
7148 (size_diffop): New function.
7149 (extract_muldiv): Only fold division into multiplication for sizetypes.
7150 * function.c (assign_parms): Use size_diffop and make sure
7151 VAR field is of ssizetype; also pass proper type to size_binop.
7152 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7153 (round_down): Deleted from here.
7154 * store-layout.c (sizetype_tab): Now an array.
7155 (sizetype_set, early_root_list): New variables.
7156 (variable_size): Use size_one_node.
7157 (round_up): Pass proper type to size_binop.
7158 (round_down): Moved to here and corrected as above.
7159 (layout_record): Pass proper arg types to size_binop.
7160 (layout_type): Likewise.
7161 If sizetype_set is zero, record the type just laid out.
7162 (make_unsigned_type): Don't call set_sizetype;
7163 (make_signed_type): Likewise; also, call fixup_signed_type.
7164 (initialize_sizetypes): New function.
7165 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7166 set name of bitsizetype to "bit_size_type".
7167 Fix up type of sizes of all types made before call.
7168 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7169 * tree.c (fix_sizetype): Deleted.
7170 (build_common_tree_nodes): Call initialize_sizetypes.
7171 (build_common_tree_nodes_2): Don't call fix_sizetype.
7172 * tree.h (TYPE_IS_SIZETYPE): New macro.
7173 (initialize_sizetype): New declaration.
7174 (enum size_type_kind): New type.
7175 (struct sizetype_tab): Deleted.
7176 (sizetype_tab): Now array; adjust sizetype macros.
7177 (size_diffop, size_int_type_wide): New functions.
7178 (size_int_wide): Change number of args and type; access macros changed.
7179 (ssize_int, sbitsize_int): New macros.
7180 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7181 (ROUND_TYPE_SIZE_UNIT): New macro.
7183 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7185 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7187 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7189 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7190 Mark as possibly unused.
7192 * cse.c (cse_insn): Delete dead code involving tablejump.
7193 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7195 * Makefile.in (libcpp.a): Start by deleting it.
7197 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7199 * cpplib.h (enum file_change_code): Added rename_file.
7200 * cpplib.c (do_line): If a filename is given, set file_change to
7202 (output_line_command): If file_change is rename_file, always
7203 output a # directive with the file name.
7205 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7207 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7209 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7210 when copying a PARM_DECL or RESULT_DECL.
7212 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7214 * fix-header.c (recognized_function): Also fix prototypes for
7215 functions taking "void".
7217 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7219 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7220 looking at reg_reloaded_contents.
7222 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7224 * Makefile.in (STMP_FIXINC): New toggle.
7225 (LIBGCC2_DEPS): Delete all references.
7226 (stmp-headers): Delete target. All references either deleted
7227 or changed to stmp-int-headers.
7228 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7229 (LIBCPP_OBJS): Take out cppalloc.o.
7230 (cppalloc.o): Delete target.
7231 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7232 (gen-protos, fix-header): Link with libiberty.a.
7233 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7236 * configure.in: Remove refs to strerror.
7237 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7238 * system.h: Take out strerror stanza.
7240 * cpperror.c (my_strerror): Delete function.
7241 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7242 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7243 * cppalloc.c: Delete file.
7244 * gen-protos.c: Don't provide xrealloc.
7246 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7247 xstrerror throughout.
7249 2000-02-26 Bruce Korb <bkorb@gnu.org>
7251 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7252 match for DOS headers, too.
7253 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7255 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7257 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7258 is right for most ELF targets.
7259 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7260 Let the default file use %U properly.
7261 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7264 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7267 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7269 * toplev.c (documented_lang_options): Correct spelling error.
7270 (decode_d_option, decode_f_option, main): Likewise.
7272 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7274 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7275 to tell assembler it is permitted to expand large constants.
7277 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7279 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7280 (aux_info_suffix): Use.
7281 (SAVE_SUFFIX): New macro.
7283 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7284 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7285 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7287 * invoke.texi (Running Protoize): Update documentation.
7289 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7291 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7293 2000-02-25 John Wehle (john@feith.com)
7295 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7297 2000-02-25 Anthony Green <green@cygnus.com>
7299 * toplev.c (rest_of_compilation): Rebuild jump labels if
7300 combine_instructions has created a new direct jump.
7301 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7303 (combine_instructions): Call try_combine with new argument.
7304 Return non-null value when new direct jump instruction is created.
7305 * rtl.h: combine_instructions returns an int.
7307 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7309 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7310 jump when changing a computed jump into a jump to a known
7313 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7315 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7316 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7318 * i386.md (define_expand "clrstrsi"): Fix typo.
7320 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7322 * rtl.texi: Fix typo.
7324 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7326 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7327 UNITS_PER_WORD. Change caller initial_elimination_offset.
7328 (rounded_frame_size): Take into account that argument pushed has
7329 changed. Fix TARGET_ALIGN_DOUBLE problem.
7331 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7333 * haifa-sched.c (schedule_block): Explain the real reason
7334 we delete REG_SAVE_NOTEs on the first insn of a block.
7335 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7337 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7339 * input.h (push_srcloc): New function.
7340 (pop_srcloc): Likewise.
7341 * toplev.c (push_srcloc): Define it.
7342 (pop_srcloc): Likewise.
7344 2000-02-24 Richard Henderson <rth@cygnus.com>
7346 * flow.c (life_analysis): When collecting reg info, clear
7349 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7351 Fix bug exposed by reload.c no longer rounding the frame
7352 size to BIGGEST_ALIGNMENT:
7353 * sh.c (rounded_frame_size): New function.
7354 (sh_expand_prologue, sh_expand_epilogue): Use it.
7355 (initial_elimination_offset): Likewise.
7357 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7359 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7360 * sh-protos.h (sh_need_epilogue): Declare.
7361 * sh.c (sh_need_epilogue_known): New static variable.
7362 (sh_need_epilogue): New function.
7363 (function_epilogue): Clear need_epilogue_known.
7364 * sh.md (return): Split into expander / insn pattern.
7365 Make the expander conditional on ! sh_need_epilogue ().
7367 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7369 * machmode.h (get_mode_alignment): Declare.
7370 (GET_MODE_ALIGNMENT): Call it.
7371 * stor-layout.c (get_mode_alignment): New function. Make
7372 sure alignment is always power of 2.
7374 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7376 * i386.h: Remove useless definition of "I386" and misleading
7379 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7381 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7382 under which TREE_PERMANENT will be set.
7383 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7384 build1): Use TREE_SET_PERMANENT.
7385 * print-tree.c (print_node): Don't report value of
7386 TREE_PERMANENT if ggc_p is true.
7388 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7389 decide whether to give a type a new alias set.
7390 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7391 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7392 of value of 'obstack'.
7395 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7397 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7399 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7401 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7402 * cpplib.c (cpp_get_token): Produce them.
7403 * cppexp.c (cpp_lex): Handle them.
7405 2000-02-23 Nick Clifton <nickc@cygnus.com>
7407 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7408 comment tests on type attributes.
7410 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7412 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7413 conform to documentation.
7414 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7415 to check for special cases.
7416 * sh-protos.h (sh_loop_align): Declare.
7417 * sh.c (sh_loop_align): Define.
7419 2000-02-22 Andrew Haley <aph@cygnus.com>
7421 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7422 (SIZE_TYPE): Is 32 bits when using -mgp32.
7423 (PTRDIFF_TYPE): Ditto.
7425 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7427 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7429 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7431 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7432 BIGGEST_FIELD_ALIGNMENT a constant.
7434 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7436 * dwarf2out.c (output_line_info): Put the marker for the end of
7437 the line number info at the actual end.
7438 (gen_struct_or_union_type_die): Use decl_function_context
7439 to check for local classes.
7440 * dwarfout.c (output_type): Likewise.
7442 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7444 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7445 for arguments with a mode, but no type.
7446 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7447 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7448 * pa/long_double.h: New file.
7449 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7450 both have 128bit wide long doubles.
7451 * configure: Rebuilt.
7453 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7455 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7457 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7458 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7459 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7461 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7463 * integrate.c (compare_blocks, find_block): Likewise.
7465 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7467 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7469 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7470 expand_asm_operands): Likewise.
7472 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7474 * predict.c (estimate_probability): Added the pointer heuristic to
7475 the collection of static branch predictors.
7477 2000-02-21 Catherine Moore <clm@cygnus.com>
7479 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7480 * invoke.texi (-mfix7000): Document.
7482 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7484 * diagnostic.c (init_output_buffer): Make it possible to output at
7485 least 32 characters if we're given a too long prefix.
7487 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7489 * varasm.c (initializer_constant_valid_p): Call
7490 lang_expand_constant to simplify the constant.
7492 2000-02-20 Bruce Korb <bkorb@gnu.org>
7494 * fixinc/inclhack.def(stdio_va_list):
7495 typedef needs to be disabled.
7496 * fixinc/inclhack.sh: regen
7497 * fixinc/fixincl.x: regen
7499 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7501 * print-rtl.c (print_rtx): Don't print addresses when
7502 flag_dump_unnumbered.
7504 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7506 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7508 (sparc_va_arg, sparc_flat_output_function_prologue,
7509 sparc_flat_output_function_epilogue): Cast value to unsigned in
7511 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7513 * sparc.md: Add default case in switch.
7515 2000-02-19 Richard Henderson <rth@cygnus.com>
7517 * c-typeck.c (add_pending_init): Don't abort for multiple
7518 fields at the same offset.
7519 (pending_init_member): Test the correct member.
7521 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7523 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7525 (start_catch_handler) : Same.
7527 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7529 * Makefile.in: Have flow.o depend on $(EXPR_H)
7531 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7533 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7534 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7535 (finish_decl): Remove -Wlarger-than code from here.
7536 * flags.h (id_clash_len): Now int.
7537 (larger_than_size): Now HOST_WIDE_INT.
7538 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7539 Clean up checking to see if in table.
7540 (make_bit_field_ref): Remove extra parm to bitsize_int.
7541 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7542 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7543 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7544 and for computing size of decl.
7545 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7546 Move -Wlarger-than code to here.
7547 (layout_record): Remove extra arg to bitsize_int.
7548 Set TYPE_BINFO_SIZE_UNIT.
7549 (layout_union): Remove extra arg to bitsize_int.
7550 Use proper type for size of QUAL_UNION.
7551 (layout_type): Remove extra arg to bitsize_int.
7552 * toplev.c (id_clash_len): Now int.
7553 (larger_than_size): Now HOST_WIDE_INT.
7554 (decode_W_option): Clean up id-clash and larger-than- cases.
7555 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7556 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7557 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7558 (struct tree_decl): New field size_unit.
7559 (size_int_wide): No HIGH operand; NUMBER is now signed.
7560 (size_int_2): Deleted.
7561 (size_int, bitsize_int): Don't use it and rework args.
7562 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7564 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7566 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7568 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7570 * invoke.texi (Warning Options): Add an explanation of why
7571 you might want the -Wfloat-equal flag.
7573 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7575 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7576 * cppinit.c (new_pending_define): Add cast to avoid warning.
7577 * expmed.c (extract_bit_field): Likewise.
7578 * flow.c (enum reorder_skip_type): New type.
7579 (skip_insns_between_blcok): New it.
7580 Rework to avoid warning about possibly undefined variable.
7581 * function.c (assign_parms): Make thisparm_boundary unsigned.
7582 * genrecog.c (write_switch): Cast XWINT result to int.
7583 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7584 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7585 one for MIPS and one for Alpha.
7586 (get_tag, copy_object): Add casts to avoid warnings.
7587 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7588 * reload.c (find_reloads): Make TYPE enum reload_type.
7589 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7590 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7591 * varasm.c (compare_constant_1): Add cast to avoid warning.
7592 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7594 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7595 Cast switch operand of size to int.
7596 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7597 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7600 2000-02-18 Nick Clifton <nickc@cygnus.com>
7602 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7603 anything for an alignment of zero.
7605 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7606 anything for an alignment of zero.
7608 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7610 * gcc.texi (Bug Reporting): Refer to bugs.html.
7611 (Bug Lists): Likewise.
7612 * system.h (GCCBUGURL): New preprocessor define.
7613 * rtl.c (fancy_abort): Use it.
7614 * gcc.c (main): Likewise.
7616 2000-02-18 Richard Henderson <rth@cygnus.com>
7618 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7619 (life_analysis_1): Subsume into ...
7620 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7621 Use update_life_info for the relaxation.
7622 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7623 entry and regs_live_at_setjmp.
7624 (set_noop_p): Simplify.
7625 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7626 (record_volatile_insns): Split into ...
7627 (delete_noop_moves): ... here,
7628 (notice_stack_pointer_modification): ... here,
7629 (insn_dead_p): ... and here.
7630 (propagate_block): Don't query INSN_VOLATILE.
7631 (mark_used_regs): Mind !PROP_REG_INFO.
7632 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7633 not in life_analysis.
7635 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7637 * loop.c (canonicalize_condition): New function,
7638 broken out of get_condition.
7639 (get_condition): Use it.
7640 * expr.h (canonicalize_condition): Prototype it.
7642 * tree.h (tree_int_cst_msb): Declare.
7643 * tree.c (tree_int_cst_msb): New function.
7645 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7647 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7650 * invoke.texi (-fmessage-length=n): Document.
7652 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7654 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7656 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7658 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7661 2000-02-17 Nick Clifton <nickc@cygnus.com>
7663 * config/arm/thumb.c: Replace includes of system headers with
7664 #include "system.h".
7666 2000-02-16 Richard Henderson <rth@cygnus.com>
7668 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7669 Add crtbeginS.o and crtendS.o.
7670 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7671 (ENDFILE_SPEC): Use crtendS.o.
7672 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7674 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7675 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7677 (__dso_handle): New variable.
7678 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7679 bias to __CTOR_END__.
7681 2000-02-16 Richard Henderson <rth@cygnus.com>
7683 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7685 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7687 * longlong.h (__clz_tab): Declare as static to match definition.
7689 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7690 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7691 (XREF_FILE_NAME): Define.
7693 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7694 (EH_FRAME_SECTION_ASM_OP): Define.
7695 (IDENT_ASM_OP): Define.
7696 (TEXT_SECTION_ASM_OP): Define.
7698 (CTORS_SECTION_ASM_OP): Define.
7699 (CTOR_SECTION_FUNCTION): Use it.
7700 (DTORS_SECTION_ASM_OP): Define.
7701 (DTOR_SECTION_FUNCTION): Use it.
7703 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7705 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7708 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7709 debug_bb_n): New functions.
7710 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7711 * basic-block.h: Prototype new functions.
7713 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7715 * configure.in: Add support for avr target.
7716 * configure: Rebuilt.
7718 * invoke.texi: Add AVR invocation docs.
7719 * install.texi: Add information about AVR.
7720 * md.texi: Add AVR constraint letters description.
7721 * extend.texi: Add description for AVR specific attributes.
7723 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7725 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7727 2000-02-16 Nick Clifton <nickc@cygnus.com>
7729 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7730 (make_insn_raw): Move RTL check here.
7732 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7734 * version.c: Include gansidecl.h and version.h.
7736 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7738 * configure.in (gcc_version): When setting, narrow search to
7739 lines containing `version_string'.
7741 * Makefile.in (mainversion): Likewise.
7742 (GCC_H): New variable.
7743 (gcc.h): Delete target.
7744 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7745 (version.o): Depend on version.h.
7746 (dbxout.o): Don't depend on gcc.h.
7748 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7749 Michael Meissner <meissner@cygnus.com>
7751 * md.texi (Simple Constraints): Add item about whitespace.
7752 * genoutput.c (strip_whitespace): New.
7753 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7754 strip_whitespace for constraints.
7755 Test pointer using NULL, not 0.
7757 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7759 * cpplib.c (do_line): Pedwarn for #line > 32767.
7761 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7763 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7765 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7766 to default cpp spec.
7767 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7768 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7771 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7774 2000-02-15 Denis Chertykov <denisc@overta.ru>
7776 * configure.in: Add support for avr target.
7778 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7780 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7781 (sh_addr_diff_vec_mode): Don't declare.
7782 * sh.c (sh_addr_diff_vec_mode): Delete.
7784 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7786 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7788 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7790 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7791 (smulsi3_highpart_i): Name.
7792 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7793 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7794 (smulsi3_highpart, umulsi3_highpart): Likewise.
7796 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7797 correctly independent of endianness.
7798 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7799 confuse the optimizers.
7800 (mulsidi3+1, umulsidi3+1): New define_split.
7802 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7804 * config/sh/sh.md: Guard insn splits against illegal registers.
7805 * config/sh/sh.h: Correct comment about macros.
7807 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7808 Andrew MacLeod <amacleod@cygnus.com>
7810 * Makefile.in (lcm.o): Depend on insn-attr.h.
7811 * basic-block.h (optimize_mode_switching): Declare.
7812 * lcm.c (tm_p.h, insn-attr.h): #include.
7813 (seginfo, bb_info): New structs.
7814 (antic, transp, comp, delete, insert) : New file-scope static variables.
7815 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7816 (reg_becomes_live, optimize_mode_switching): Likewise.
7817 * tm.texi: Add description of mode switching macros.
7818 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7820 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7821 (fldi_ok, fpscr_set_from_mem): New prototypes.
7822 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7823 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7824 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7825 (sh_flag_remove_dead_before_cse): Remove declaration.
7826 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7827 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7828 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7829 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7830 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7831 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7832 (fldi_ok): New function.
7833 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7834 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7835 (emit_df_insn): Likewise.
7836 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7837 (sh_flag_remove_dead_before_cse): Delete.
7838 (get_free_reg, fpscr_set_from_mem): New functions.
7839 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7840 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7842 2000-02-15 Loren Rittle <ljrittle@acm.org>
7844 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7846 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7848 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7849 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7851 * cccp.c: Include version.h and/or don't declare `version_string'.
7852 * collect2.c: Likewise.
7853 * alpha.c: Likewise.
7854 * arm/aof.h: Likewise.
7855 * arm/coff.h: Likewise.
7856 * arm/elf.h: Likewise.
7857 * arm/pe.h: Likewise.
7858 * arm/tcoff.h: Likewise.
7859 * arm/telf.h: Likewise.
7860 * arm/tpe.h: Likewise.
7861 * arm/vxarm.h: Likewise.
7862 * convex/convex.c: Likewise.
7863 * i386/dgux.c: Likewise.
7864 * i386/sun386.h: Likewise.
7865 * m88k/m88k.c: Likewise.
7866 * mcore/mcore-pe.h: Likewise.
7867 * mips/mips.h: Likewise.
7868 * romp/romp.h: Likewise.
7869 * sh/sh.c: Likewise.
7870 * cpphash.c: Likewise.
7871 * cppinit.c: Likewise.
7872 * dwarf2out.c: Likewise.
7873 * dwarfout.c: Likewise.
7876 * mips-tfile.c: Likewise.
7877 * protoize.c: Likewise.
7878 * toplev.c: Likewise.
7881 * version.c (version_string): Constify a char*.
7883 * version.h: New file.
7885 2000-02-14 Nick Clifton <nickc@cygnus.com>
7887 * configure.in: Add mcore-elf and mcore-pe targets.
7888 * configure: Regenerate.
7890 * NEWS: Add note that MCore port has been contributed.
7892 * invoke.texi: Document command line switches for MCore port.
7893 * install.texi: Add MCore to list of supported targets.
7895 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7897 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7898 then we will need to import the frame handling functions.
7899 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7900 to import the frames themselves.
7902 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7903 Jason Eckhardt <jle@cygnus.com>
7905 * basic_block.h: Added prototype for reorder_basic_blocks.
7906 * toplev.c: Changes to add -freorder-blocks and graph dump after
7907 block reordering is done.
7908 * flow.c (reorder_block_def): New structure for use during block
7910 (REORDER_BLOCK_*): New macros to access members of above structure.
7911 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7912 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7913 functions for block reordering.
7915 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7917 * gcc.texi (Passes): Fix typo.
7918 * md.texi (Standard Names): Ditto.
7919 * tm.texi (Storage Layout): Ditto.
7921 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7923 * cpplib.c (do_define): Only free the old definition if it
7926 2000-02-13 Neil Booth <NeilB@earthling.net>
7928 * cppfiles.c (read_and_prescan): When emitting deferred
7929 newlines, test speccase[] again instead of checking each
7930 possible whitespace character in turn. When we encounter \r,
7931 look behind for \n first, then ahead.
7933 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7935 * cse.c (cse_altered): New internal flag.
7936 (cse_insn): Set it if we changed an insn.
7937 (cse_main): Clear cse_altered before each basic block.
7938 Only garbage collect if cse_altered is true afterward.
7940 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7942 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
7944 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
7946 * combine.c (simplify_comparison): Fix typo.
7948 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
7950 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
7953 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7955 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
7956 previously inserted node instead of root node. Caller changed.
7958 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7960 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
7962 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7964 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
7965 __dereg_frame_dtor): Add prototype argument.
7967 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
7969 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
7971 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
7973 * gthr-vxworks.h (__gthread_once): Likewise.
7975 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
7977 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
7979 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
7980 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
7981 stack pointer in functions w/o saved registers, output LEAVE more often
7982 on TARGET_USE_LEAVE machines.
7984 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
7986 * config/arm/arm.c (arm_init_cumulative_args); New function:
7987 Initlaise the CUMULATIE_ARGS strcuture for a function
7989 (arm_function_arg): New function: Determine where to place a
7990 function's argument. Also handles deciding the function's
7992 (current_file_function_operand): New function: Return true if
7993 the symbol is a function which has already been compiled.
7994 (arm_is_long_call_p): New function: Return true if the
7995 indicated function should be called via a long call.
7996 (arm_valid_type_attribute_p): New function: Return true if the
7997 attribute is a valid, arm specific, attribute.
7998 (arm_comp_type_attribute): New function: Return true if the
7999 two types have compatable, arm specific, attributes.
8001 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8003 (FUNCTION_ARG): Redefine to call arm_function_arg.
8004 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8006 (INIT_CUMULATIVE_ARGS): Redefine to call
8007 arm_init_cumulative_args.
8008 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8010 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8012 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8014 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8015 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8016 (COMP_TYPE_ATTRIBUTES): Define.
8018 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8019 if a long call is needed.
8020 (call_value): Call arm_is_long_call_p to decide if a long call
8022 (call_symbol): Call arm_is_long_call_p to decide if a long call
8025 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8027 2000-02-11 Denis Chertykov <denisc@overta.ru>
8029 * README.AVR: New file with information about the avr ports.
8030 * config/avr: New directory with avr port files.
8032 2000-02-11 Andreas Jaeger <aj@suse.de>
8034 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8036 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8038 * cpphash.c: Fix formatting, update commentary.
8039 (dump_definition): Take three separate arguments instead of a
8040 MACRODEF structure argument.
8041 * cpphash.h: Update prototype of dump_definition.
8042 * cppinit.c (cpp_finish): Update call of dump_definition.
8044 * cpplib.c (do_define): Always create new hash entry with
8045 T_MACRO type. Remove redundant check for redefinition of
8046 poisoned identifier. Update call of dump_definition.
8047 (do_undef): Don't call check_macro_name. Rename sym_length to
8049 (do_error, do_warning): Don't use copy_rest_of_line or
8051 (do_warning): Don't use pedwarn for the actual warning,
8052 only the notice about its not being in the standard. (Fixes
8053 bug with #warning in system headers.)
8054 (do_ident): Stricter argument checking - accept only a single
8055 string after #ident. Also, macro-expand the line.
8056 (do_xifdef): Use cpp_defined. De-obfuscate.
8058 (do_pragma): Split out specific pragma handling to separate
8059 functions. Use get_directive_token. Update commentary. Do
8060 not pass on #pragma once or #pragma poison to the front end.
8061 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8062 do_pragma_default): New.
8064 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8066 * jump.c (jump_optimize_1): The first operand in a relational
8068 * optabs.c (emit_conditional_move): Handle relationals which
8069 have a known true/false result.
8071 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8073 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8074 a RETURN insn into a block which already ends with a jump.
8076 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8078 * haifa-sched.c (BUF_LEN): Increase a lot.
8080 2000-02-11 Nick Clifton <nickc@cygnus.com>
8082 * configure.in: Add tm_p_file specification for thumb targets.
8083 * configure: Regenerate.
8085 * config/arm/thumb-protos.h: New file: Prototypes for exported
8086 functions defined in thumb.c.
8088 2000-02-11 Robert Lipe <robertl@sco.com>
8090 * Makefile.in (bootstrap-lean): Remove additional files.
8091 (bootstrap2-lean): Likewise.
8092 (VOL_FILES): List of files for above.
8094 2000-02-11 Nathan Sidwell <nathan@acm.org>
8096 * cpphash.c (special_symbol): Remove spurious argument to
8099 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8101 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8103 * configure: Rebuilt.
8105 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8107 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8109 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8111 * pa.c, pa.h: Remove trigraph sequences within comments.
8113 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8115 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8117 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8119 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8121 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8123 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8125 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8127 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8128 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8129 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8130 (ASM_FILE_END): Use c4x_file_end.
8131 * config/c4x/c4x.c (c4x_global_label): New function.
8132 (c4x_external_ref, c4x_file_end): Likewise.
8134 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8135 (c4x_external_ref, c4x_end_file): Likewise.
8137 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8139 * cppexp.c: Don't include cpphash.h.
8140 (parse_charconst, cpp_lex): Use cpp_defined.
8141 (cpp_lex): Use get_directive_token throughout. Remove
8142 unnecessary cases from switch. Move assertion-handling code
8144 (cpp_parse_expr): If we see '+' or '-', check the context to
8145 determine if they are unary or binary operators. Streamline
8146 the jumps a bit. Do not call skip_rest_of_line.
8148 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8149 static. Export get_directive_token. Update commentary.
8150 (cpp_defined): New function.
8151 (do_define): Remove reference to T_PCSTRING. Call
8152 free_definition to release memory for old definition, when
8154 (eval_if_expression): Set only_seen_white to 0 before calling
8155 cpp_parse_expr. Call skip_rest_of_line after it returns.
8156 (cpp_read_check_assertion): Don't preserve a pointer into the
8157 token buffer across a call to cpp_get_token.
8159 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8160 * cppfiles.c (redundant_include_p): Use cpp_defined.
8161 * cpphash.c (free_definition): New function.
8162 (delete_macro): Use it. Update commentary.
8163 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8165 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8166 from enum node_type. Prototype cpp_defined and get_directive_token.
8167 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8169 * fix-header.c (check_macro_names): Use cpp_defined.
8170 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8171 the options structure.
8173 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8175 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8177 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8179 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8180 rather than die->die_tag.
8182 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8184 * combine.c (make_extraction, force_to_mode): Avoid warning on
8185 mixed-signedness conditionals.
8186 (make_field_assignment, nonzero_bits): Likewise.
8187 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8188 (store_split_bit_field, extract_split_bit_field): Likewise.
8189 (extract_fixed_bit_field, store_bit_field,
8190 * expr.c: Change alignment to be unsigned everywhere.
8191 (move_by_pieces, store_constructor_field, store_constructor):
8192 Alignment parm is unsigned.
8193 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8194 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8195 (do_compare_rtx_and_jump): Likewise.
8196 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8197 Compare align with GET_MODE_ALIGNMENT.
8198 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8199 (get_inner_reference): Likewise.
8200 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8201 (expand_assignment): Local vars for alignment now unsigned.
8202 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8203 (do_compare_and_jump): Likewise.
8204 (store_field): Call new function expr_align.
8205 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8206 Alignment arg now unsigned.
8207 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8208 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8209 (extract_bit_field): Likewise.
8210 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8211 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8212 (get_best_mode): Alignment arg is unsigned.
8213 * rtl.h (move_by_pieces): Likewise.
8214 * store-layout.c (maximum_field_alignment, set_alignment):
8216 (layout_decl): Alignment arg is now unsigned.
8217 Remove unneeded casts.
8218 (layout_record, layout_union, layout_type): Remove unneeded casts.
8219 Local alignment variables now unsigned.
8220 (get_best_mode): Alignment arg now unsigned.
8221 * tree.c (expr_align): New function.
8222 * tree.h (expr_align): Likewise.
8223 (maximum_field_alignment, set_alignment): Now unsigned.
8224 (get_inner_reference): Alignment argument is now pointer to unsigned.
8225 * varasm.c (assemble_variable): Add cast to eliminate warning.
8227 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8229 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8230 then store directly into op0.
8232 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8233 the CALL_INSN, and emit the note immediately after it.
8235 2000-02-10 Nick Clifton <nickc@cygnus.com>
8237 * config/arm/thumb.md (epilogue): Include a (return) in the
8238 generated insn, and emit it using emit_jump_insn not
8241 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8243 * function.c (assign_temp): Change zero-sized arrays to size 1.
8244 * integrate.c (expand_inline_function): Do not update
8245 stack_alignment_needed
8246 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8247 add some sanity checking, remove optimization for function with
8250 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8252 * flow.c (mark_regs_live_at_end): Delete unused variables.
8254 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8256 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8257 in macro FRAME_GROWS_DOWNWARD.
8259 * stmt.c (expand_end_bindings): Delete unused variable.
8261 * unroll.c (iteration_info): Mark parameter `loop' with
8264 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8266 * fixinc/server.c (load_data): Return NULL if the marker line is
8268 (run_shell): If load_data returns NULL, retry the command once, in
8271 * configure: Rebuilt.
8273 2000-02-09 Bruce Korb <bkorb@gnu.org>
8275 * gcc/fixincludes: ** DELETED **
8276 * gcc/fixcpp: ** DELETED **
8277 * gcc/fixinc-nt.sed: ** DELETED **
8278 * gcc/just-fixinc: ** DELETED **
8279 * gcc/Makefile.in: Removed out-dated commentary
8280 * gcc/configure.in: Removed fast-fixincludes disablement.
8281 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8283 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8284 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8287 2000-02-09 Richard Henderson <rth@cygnus.com>
8289 * jump.c (delete_insn): Don't delete user labels at -O0.
8291 2000-02-09 Robert Lipe <robertl@sco.com>
8293 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8294 Don't link with HOST_LIBS.
8296 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8298 * configure.in: Correct --help text for --with-dwarf2.
8299 Put tm-dwarf2.h after other tm files, if it's requested.
8300 * configure: Regenerate.
8301 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8304 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8306 * cpplib.h: Provide HASHNODE typedef and forward decl of
8307 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8308 DEFINITION, struct hashnode, struct macrodef, struct
8309 definition, scan_decls prototype, default defn of
8310 INCLUDE_LEN_FUDGE moved elsewhere.
8312 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8313 definition, and struct hashnode moved here. Remove the unused
8314 'predefined' field from struct definition. Replace the 'args'
8315 union with its sole member. All users updated (cpphash.c).
8316 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8317 multiple include guard.
8319 * cpphash.c (hashf): Make static; use better algorithm; drop
8320 HASHSIZE parameter; return an unsigned int.
8321 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8322 used. Calculate HASHSIZE modulus here.
8323 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8325 (create_definition): Drop PREDEFINITION parameter.
8326 * cpplib.c (do_define): Don't calculate a hash value here.
8327 Don't pass (keyword == NULL) to create_definition.
8329 * scan.h: Prototype scan_decls here.
8330 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8331 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8332 callers of cpp_lookup and cpp_install updated.
8334 * cpphash.c (macarg): Hoist all the flag diddling out of the
8336 (macroexpand): ... and out of the loop that calls macarg.
8337 Skip over the initial paren before macro arguments with
8338 cpp_get_non_space_token; point may be some distance before
8339 that paren. Abort if it's not there.
8341 * cpplib.c (parse_clear_mark): Delete function.
8342 (parse_set_mark, parse_goto_mark): Make static.
8343 (ACTIVE_MARK_P): New macro.
8344 (skip_block_comment, skip_line_comment): Do not bump the line
8345 if ACTIVE_MARK_P is true.
8346 (cpp_pop_buffer): The buffer to be popped may not have an
8348 (cpp_get_token): When looking for the initial paren before
8349 macro arguments, only set a mark in a file buffer, Always
8350 return to that mark before proceeding to call macroexpand or
8351 return a NAME token.
8353 * cpplib.h: Remove prototypes of parse_set_mark,
8354 parse_clear_mark, parse_goto_mark.
8355 (struct cpp_options): Rename 'put_out_comments' to
8356 'discard_comments' and invert its sense.
8357 * cppinit.c, cpphash.c, cpplib.c: All users of
8358 put_out_comments changed to use discard_comments, with
8361 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8363 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8364 the edge from a block that both jumps and falls through to the
8367 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8369 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8370 constant source address is legitimate.
8372 2000-02-09 Philip Blundell <pb@futuretv.com>
8374 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8377 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8379 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8381 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8383 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8384 ends with a newline and a NUL. Don't be so clever manipulating
8387 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8389 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8390 not to BIGGEST_ALIGNMENT.
8392 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8394 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8395 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8396 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8397 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8398 * frame.c (execute_cfa_insn): Handle
8399 DW_CFA_GNU_negative_offset_extended.
8401 2000-02-08 Richard Henderson <rth@cygnus.com>
8403 * flow.c (tidy_fallthru_edges): Split out from ...
8404 (delete_unreachable_blocks): ... here.
8405 (find_basic_blocks): Use it.
8407 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8409 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8411 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8413 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8414 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8415 (fix-header.o): Don't depend on cpphash.h.
8417 * scan.c (hashstr): New function.
8418 * scan.h: Prototype it.
8419 * fix-header.c: Don't include cpphash.h. Use hashstr.
8420 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8421 hashstr. Report hash table statistics. Add private
8422 definition of xrealloc.
8424 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8426 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8428 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8430 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8431 jumps with returns unless they are jumps to the fallthru block.
8433 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8435 * i386.md (addqi3_cc): Fix contraints.
8437 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8439 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8441 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8443 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8444 carriage return after a macro name.
8446 2000-02-07 Fred Fish <fnf@be.com>
8448 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8449 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8451 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8453 * cppfiles.c (deps_output): Count spacers in deps_column.
8455 2000-02-07 Neil Booth <NeilB@earthling.net>
8457 * cppinit.c (initialize_dependency_output): If there is no
8458 suffix, don't try to look for known suffixes. Use strrchr.
8459 (cpp_start_read): Remove duplicate initialization.
8461 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8463 * calls.c (compute_argument_block_size): New argument
8464 preferred_stack_boundary.
8465 (expand_call): update cfun->preferred_stack_boundary, update call of
8466 compute_argument_block_size
8467 (emit_library_call): Increate cfun->preferred_stack_boundary
8468 to PREFERRED_STACK_BOUNDARY
8469 (emit_library_call_value): Likewise.
8470 * explow.c (allocate_dynamic_stack_spave): Likewise.
8471 * function.c (prepare_function_start): Set
8472 cfun->preferred_stack_boundary
8473 * function.h (struct function): Add preferred_stack_boundary field.
8474 * integrate.c (expand_inline_function): Update
8475 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8476 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8477 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8479 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8481 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8482 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8483 cpp_pedwarn, cpp_pedwarn_with_line,
8484 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8485 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8486 v_cpp_error_with_line, v_cpp_warning_with_line,
8487 cpp_message_from_errno, cpp_perror_with_name): Delete.
8489 * cpperror.c (cpp_print_containing_files): Take starting
8491 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8492 (v_cpp_message): Now called directly by all entry points.
8494 (cpp_pfatal_with_name, cpp_message): Delete.
8495 (cpp_notice_from_errno, cpp_ice): New functions.
8496 (cpp_notice): Is now for reporting error conditions, just
8497 without an associated file.
8498 (cpp_error, cpp_error_with_line): Don't do anything if
8499 opts->inhibit_errors is on.
8500 (cpp_pedwarn_with_file_and_line): Take column argument also.
8502 * cpplib.h: Update prototypes of exported functions.
8503 (struct cpp_options): Add inhibit_errors.
8505 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8506 non-error messages. Include intl.h.
8508 * cppinit.c, cppmain.c: Likewise. Also, use
8509 cpp_notice_from_errno instead of cpp_perror_with_name or
8510 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8512 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8513 report internal errors.
8515 * cpplib.c (do_define): Switch bcopy to memcpy.
8516 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8518 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8519 bail out early if we hit a line comment.
8521 2000-02-06 Richard Henderson <rth@cygnus.com>
8523 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8524 * basic-block.h: Declare them.
8525 * emit-rtl.h (active_insn_p): New.
8526 (next_active_insn, prev_active_insn): Use it.
8527 * rtl.h: Declare it.
8528 * function.c (emit_return_into_block): New.
8529 (thread_prologue_and_epilogue_insns): Insert return insns instead
8530 of epilogues when possible.
8531 * jump.c (jump_optimize_1): Remove code to insert a return insn
8532 on the fallthru to the exit block.
8534 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8535 and for non-empty stack frames.
8536 * i386.md (return): Expand to return-pop as needed.
8538 2000-02-06 Richard Henderson <rth@cygnus.com>
8540 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8541 constant to op1 for testing.
8543 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8545 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8546 (fixuns_truncqfqi2): Use it.
8548 2000-02-06 Richard Henderson <rth@cygnus.com>
8550 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8553 * i386.md (widening and peepholes): Mask the constant instead of
8556 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8558 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8559 input pointer before possibly branching off to the backslash
8561 * cpphash.c (macroexpand): Correctly delete \r escapes when
8562 stringifying parameters.
8563 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8564 if we can; bail out early if we hit a line comment.
8565 (handle_directive): Treat '# 123' in an .S file just like
8566 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8567 Return 1 for '# not_a_directive'.
8568 (get_directive_token): Pop macro buffers here, so that
8569 cpp_get_token can't sneakily move past a newline.
8571 (cpp_get_token): goto randomchar if handle_directive returns 0.
8573 * cppalloc.c: Update copyright.
8574 * cpplib.c: Merge all the static function prototypes into one
8576 * cpplib.h: Remove #if 0 block.
8578 * cpperror.c: Remove #ifdef EMACS block.
8579 * cppmain.c: Likewise.
8580 * cpphash.c: Remove #if 0 blocks.
8581 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8582 * cpplib.c: Remove #if 0 blocks and code referencing
8583 pcp_inside_if or for_lint. Remove duplicate error message.
8584 Fix error messages for #else after #else or #elif. Reformat.
8585 Remove archaic TODO list.
8586 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8588 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8590 * i386/osf1elf.h: Add missing backslash to multiline string.
8592 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8594 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8596 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8598 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8600 * c-common.c: Include expr.h.
8602 * c-pragma.c (mark_align_stack): Add prototype.
8604 * caller-save.c (add_stored_regs): Likewise.
8606 * combine.c (record_promoted_value): Likewise.
8608 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8611 * cppinit.c (new_pending_define): Likewise.
8613 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8615 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8616 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8617 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8618 class_scope_p): Likewise.
8620 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8621 dwarf2out_add_library_unit_info): Likewise.
8623 * ggc.h (ggc_page_print_statistics): Likewise.
8625 * haifa-sched.c (propagate_deps): Likewise.
8627 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8629 * rtl.h (set_stack_check_libfunc): Likewise.
8631 * toplev.h (set_fatal_function): Likewise.
8633 * toplev.c (set_fatal_function): Delete prototype.
8635 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8637 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8639 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8640 (FUNC_END): Likewise.
8642 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8644 * caller-save.c: Include tm_p.h.
8646 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8648 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8650 2000-02-04 Neil Booth <NeilB@earthling.net>
8652 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8655 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8657 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8658 * genflags.c: Use the max_operand_1 logic from genemit.c to
8659 calculate how many arguments gen_insn prototypes have. Remove
8660 NO_MD_PROTOTYPES ifdefs from the generated file.
8661 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8662 file. Cast gen_insn initializers to insn_gen_fn.
8663 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8664 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8666 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8668 * fixinc/Makefile.in (HDR): Add machname.h.
8671 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8673 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8674 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8675 (c4x_cpu_version): Ditto.
8676 * config/c4x/c4x-protos.h: ... here.
8678 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8680 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8681 gen_abstract_function on our context if we're a nested function.
8683 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8685 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8686 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8688 2000-02-04 Bruce Korb <bkorb@gnu.org>
8690 * fixinc/genfixes(machname.h):
8691 Move the functionality from gen-machine.h into this file.
8692 UNdef MN_NAME_PAT if there are no names to change.
8693 Also, be a little kinder when AutoGen is not present.
8695 * fixinc/Makefile.in(machname.h):
8696 Change the generation rule to use genfixes.
8698 * fixinc/fixfixes.c(machine_name):
8699 machine_name_fix's functionality now dependent upon whether
8700 MN_NAME_PAT is defined.
8702 * fixinc/fixtests.c(machine_name):
8705 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8708 * fixinc/fixlib.h(mn_get_regexps):
8711 * fixinc/gen-machine.h: DELETED
8713 2000-02-04 Jan Hubicka <jh@suse.cz>
8714 Richard Henderson <rth@cygnus.com>
8716 * i386.c (SAVE_REGS_FIRST): Remove.
8717 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8718 (ix86_compute_frame_size): Likewise.
8719 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8720 (ix86_emit_restore_regs): Remove.
8721 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8722 when a frame pointer is in use.
8723 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8724 instead of pop to restore a register when profitable; emit leave
8726 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8728 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8729 * i386.md (prologue_allocate_stack): Remove.
8730 (epilogue_deallocate_stack): Remove.
8731 (pro_epilogue_adjust_stack): New.
8733 2000-02-04 Richard Henderson <rth@cygnus.com>
8735 * function.c (diddle_return_value): Rework to use a callback function.
8736 Use current_function_return_rtx if it's been set up.
8737 (do_clobber_return_reg, clobber_return_register): New.
8738 (do_use_return_reg, use_return_register): New.
8739 (expand_function_end): Use them.
8740 * stmt.c (expand_null_return): Likewise.
8741 * function.h: Declare them.
8742 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8743 (mark_reg): Change arguments as appropriate for callback.
8744 * integrate.c (expand_inline_function): Revert 19 Jan change.
8746 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8748 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8749 (Misc): Say the scheduler, not the Haifa scheduler.
8751 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8753 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8754 when in_mem is set. Update all callers.
8756 2000-02-04 Richard Henderson <rth@cygnus.com>
8758 * i386/openbsd.h (INT_ASM_OP): Define.
8760 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8762 * tm.texi: Fix various typos.
8764 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8766 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8767 (MD_STARTFILE_PREFIX_1): New macro.
8769 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8771 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8772 destination when needed.
8773 (strmovsi, strsetsi): New expander.
8774 (strmovsi_1, strsetsi_1): New pattern.
8775 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8776 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8777 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8778 * invoke.texi (align-stringops, inline-all-stringops): Document.
8780 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8782 * i386/netbsd.h (INT_ASM_OP): Define.
8784 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8786 * cpplib.h (cpp_reader): Add new flag, no_directives.
8787 * cpphash.c (macarg): Set it.
8788 * cpplib.c (handle_directive): If no_directives is on and we
8789 find a directive, issue an error and discard the line.
8791 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8793 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8794 FP constants. Add ! TARGET_FPU check for FP constants.
8796 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8798 * flow.c (find_basic_blocks): Don't kill label_value_list
8800 (cleanup_cfg): Kill it here.
8802 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8804 * expr.c (store_field): Ensure ALIGN is no stricter than the
8807 2000-02-02 Richard Henderson <rth@cygnus.com>
8809 * jump.c (delete_insn): Partially revert 19 Jan change;
8810 don't convert unused code labels to notes at -O0.
8812 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8814 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8815 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8817 2000-02-01 Richard Henderson <rth@cygnus.com>
8819 * i386.c (general_no_elim_operand): New.
8820 (nonmemory_no_elim_operand): New.
8821 (ix86_expand_move): Copy eliminable operands before a push.
8822 * i386-protos.h: Declare new functions.
8823 * i386.h (CAN_ELIMINATE): Simplify.
8824 (PREDICATE_CODES): Update.
8825 * i386.md (push insns): Don't allow eliminable register operands.
8827 2000-02-01 Richard Henderson <rth@cygnus.com>
8829 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8830 replace BLKmode with DECL_RTL's mode.
8832 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8834 * frame.c (find_fde): Convert for loop to do-while so compiler
8835 sees it's always executed at least once.
8836 * libgcc2.c (BBINBUFSIZE): Kill.
8837 (__bb_init_prg): Use fgets.
8838 (__bb_exit_trace_func): Don't paste strings.
8839 * unroll.c (unroll_loop): Initialize unroll_type, not
8840 unroll_number, and tweak logic to match.
8842 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8844 (ix86_flags_dependant): Likewise. Disentangle control flow.
8845 (ix86_sched_reorder): Break guts out to
8846 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8847 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8850 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8851 use string concatenation. Don't save and restore esi.
8853 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8854 (machname.h): Remove script to separate file. Use two-step
8855 sequence so target is not created if script fails.
8856 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8857 identifiers are defined.
8858 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8859 an empty string, machine_name doesn't need to do anything at
8861 (is_cxx_header): Add more cases to regexp.
8862 * fixinc/fixlib.h: Update prototype.
8863 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8865 * fixinc/fixincl.c: Define NO_BOGOSITY.
8867 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8868 (hp_sysfile): Add missing comma.
8869 (math_exception): Put the wrapper ifdefs at the beginning and
8870 the end of the file.
8871 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8873 2000-02-01 Richard Henderson <rth@cygnus.com>
8875 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8876 Use CONST0_RTX. Update all callers.
8877 * sparc.h, sparc-protos.h: Update accordingly.
8878 * sparc.md (fp mov insns): Use fp_zero_operand directly
8881 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8883 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8886 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8888 * Makefile.in (specs.ready): New target.
8889 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8891 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8893 * fixinc.irix: Use unique filenames for writing into /tmp,
8894 * fixinc.ptx: Likewise.
8895 * fixinc.sco: Likewise.
8896 * fixinc.svr4: Likewise.
8897 * fixinc.winnt: Likewise.
8899 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8901 * tsystem.h: New file.
8903 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8904 s-crtS): Depend on tsystem.h.
8906 * crtstuff.c: Include tsystem.h.
8907 * frame.c: Likewise.
8908 * libgcc2.c: Likewise.
8910 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8912 * builtins.c (expand_builtin_memset): Expand for variable sized
8915 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8917 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8920 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8922 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8924 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8926 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8928 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8929 case 3->2 combining (combining with splitting) in which 2 is CC0
8930 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8931 checked at the begining of the function with the aid of calling
8932 function 'can_combine_p'.
8934 2000-01-31 Dave Brolley <brolley@redhat.com>
8936 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
8938 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
8940 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
8943 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8945 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
8947 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
8950 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8952 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
8953 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
8954 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
8955 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
8956 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
8957 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
8958 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
8959 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
8960 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
8961 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
8963 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
8964 Add %(cpp_cpu) to CPP_SPEC.
8966 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
8967 Add %(cc1_cpu) to CC1_SPEC.
8969 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8971 * c-decl.c (c_decode_option): Accept optional numeric argument to
8972 -Wformat and set warn_format.
8973 * c-common.c: Don't emit warning about non-constant printf format
8974 string unless warn_format > 1.
8976 2000-01-30 Richard Henderson <rth@cygnus.com>
8978 * alpha.md (return_internal): Allow after reload only.
8980 2000-01-30 Richard Henderson <rth@cygnus.com>
8982 * i386.c (ix86_compute_frame_size): Omit padding1 if the
8983 local frame size is zero.
8985 2000-01-30 Richard Henderson <rth@cygnus.com>
8987 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
8988 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
8989 * alpha.md (return): Turn into an expander.
8990 (return_internal): Don't use $26.
8991 (epilogue): Emit the return insn.
8993 2000-01-30 Richard Henderson <rth@cygnus.com>
8995 * alpha.md (negtf2, abstf2): Fix word order thinko.
8997 (trunctfsf2): Avoid intermediate rounding errors.
8999 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9001 * cppfiles.c (find_position): Drop 'colp' argument, return the
9003 (read_and_prescan): Adjust to match. Don't ever manipulate
9004 line or line_base except via find_position.
9006 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9008 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9009 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9012 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9014 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9015 just print "<command line>". If 'filename' is null or an
9016 empty string, print "<stdin>" for the filename.
9017 * cpplib.c (do_define): Don't print the 'location of the
9018 previous definition' message if we're still parsing the
9020 (cpp_pedwarn_with_file_and_line): Always call
9021 cpp_file_line_for_message.
9023 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9025 * flow.c (mark_regs_live_at_end): Fix typo.
9027 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9029 * c-common.c: Adjust variable names, comments, help strings to c99.
9030 * c-lex.c: Likewise.
9031 * c-parse.y: Likewise.
9032 * c-tree.h: Likewise.
9034 * cpplib.h: Likewise.
9035 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9036 * cppinit.c: Likewise.
9038 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9040 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9041 * c4x.c: Define the optab rtx values.
9042 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9043 (c4x_emit_libcall): Use new optab rtx values.
9044 (c4x_emit_libcall3): Likewise.
9045 (c4x_emit_libcall_mulhi): Likewise.
9046 * c4x-protos.h: Add prototypes for optab rtx values and change
9047 prototypes for above c4x_emit_libcall functions.
9049 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9051 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9053 (c4x_function_prologue): Use regnames intead of float_reg_names when
9055 (c4x_function_epilogue): Likewise.
9056 (c4x_print_operand): Likewise.
9057 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9058 * c4x.md (set_high): Disable for TARGET_TI.
9060 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9062 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9063 of framepointer + constant to ADDR_REGS class.
9064 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9065 * c4x.c (std_or_reg_operand): New function.
9066 * c4x-protos.h (std_or_reg_operand): Prototype it.
9068 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9070 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9071 object names as libgcc2.c.
9072 * libgcc.S: Use newly defined names.
9074 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9075 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9077 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9078 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9079 (FLOW_LOOP_LAST_BLOCK): Likewise.
9081 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9083 * basic-block.h (struct loop): New fields 'first' and 'last'.
9084 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9085 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9086 and loop->last to check for NOTE_INSN_LOOP_END.
9088 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9090 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9091 of the loop descriptor rather than HEADER and LATCH. Also added
9092 missing break statements as well making some coding style modifications
9093 as suggested by Michael Hayes.
9095 2000-01-28 Richard Henderson <rth@cygnus.com>
9097 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9098 Break out that code ...
9099 (cleanup_cfg): ... here.
9100 (commit_one_edge_insertion): Detect a return instruction being
9101 emitted to an edge. Emit a barrier following; clear fallthru.
9102 (commit_edge_insertions): Verify CFG consistency.
9103 * function.c (expand_function_start): Kill unused variable.
9104 (expand_function_end): Likewise.
9105 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9106 to insert the epilogue.
9108 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9109 (delete_null_pointer_checks): Likewise.
9110 * output.h: Likewise.
9111 * reg-stack.c (reg_to_stack): Likewise.
9112 * toplev.c (rest_of_compilation): Likewise. Run
9113 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9115 2000-01-28 Richard Henderson <rth@cygnus.com>
9117 * Makefile.in (flow.o): Revert 24 Jan change.
9118 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9119 FUNCTION_VALUE result to DECL_RESULT's mode.
9121 * haifa-sched.c (schedule_insns): Don't recompute reg info
9124 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9126 * configure.in: Make --enable-cpplib the default.
9127 * configure: Regenerate.
9128 * gcc.dg/990119-1.c: No longer expected to fail.
9130 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9132 * jump.c (jump_optimize_1): Delete an optimization that is also done
9133 by merge_blocks in flow.
9135 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9137 * diagnostic.c (build_message_string, output_printf,
9138 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9139 (build_location_prefix): Fix non-literal format string.
9141 2000-01-27 Richard Henderson <rth@cygnus.com>
9143 * alpha.md (trunctfsf2): New.
9145 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9147 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9149 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9151 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9153 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9155 (skip_comment) ... here. Permit C++ comments in system
9156 headers always. Warn about C++ comments in user code under
9157 -std=gnu89 -pedantic.
9158 (copy_comment): Use skip_comment.
9159 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9161 (consider_directive_while_skipping, do_else, do_endif): Call
9162 validate_else unconditionally.
9163 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9164 text after the conditional in a system header.
9165 * cpplib.h (struct cpp_buffer): Add flag
9166 warned_cplusplus_comments.
9168 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9170 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9171 Use unshare_all_rtl_1.
9172 (unshare_all_rtl_again): New function.
9173 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9175 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9176 rather than resetting the 'used' flags ourself.
9178 * toplev.c (rest_of_compilation): Add current_function_decl
9179 to the unshare_all_rtl call.
9180 * tree.h: Prototype unshare_all_rtl.
9181 * rtl.h: Prototype unshare_all_rtl_again here.
9183 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9185 * genoutput.c (output_prologue): Include ggc.h in generated
9187 * Makefile.in (insn-output.o): Depends on ggc.h.
9189 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9190 Hans-Peter Nilsson <hp@bitrange.com>
9192 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9193 Remove redundant include of xm-ns32k.h.
9194 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9195 Remove redundant include of xm-ns32k.h.
9196 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9197 Remove redundant include of xm-ns32k.h.
9198 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9200 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9201 (TARGET_SWITCHES): Add documentation strings.
9202 (DWARF_FRAME_REGNUM): Override default definition.
9203 (REG_CLASS_CONTENTS): Add comments.
9204 (SUBSET_P): Format to reduce line length.
9205 (SMALL_REGISTER_CLASSES): Make a run time option.
9206 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9207 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9208 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9209 (regclass_map): fix typo in comment.
9210 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9211 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9212 (trace, reg_or_mem_operand): Delete, unused function.
9213 (calc_address_cost): Small offsets are cheaper than large ones.
9214 (expand_block_move): Generate more efficient code when bytes is a
9215 known at compile time.
9216 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9217 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9218 instead of reg_or_mem_operand.
9220 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9221 not general_operand. Similarly use "=rm" or stricter, not "=g".
9222 For input operands, use stricter constraints than "g" if not
9223 general_operand. Similarly use stricter predicate than
9224 "general_operand" when stricter constraints than "g" are present,
9225 except for matching constraints.
9226 (movstrsi): Use "memory_operand" for operands 0 and 1.
9227 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9228 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9229 not reg_or_mem_operand.
9230 (udivmoddisi4): Ditto.
9231 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9232 Use nonimmediate_operand for operand 3, not register_operand.
9233 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9236 2000-01-27 Fred Fish <fnf@be.com>
9238 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9239 * gthr-single.h: Likewise.
9240 * gthr-solaris.h: Likewise.
9241 * gthr-vxworks.h: Likewise.
9242 * gthr-win32.h: Likewise.
9245 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9247 * cppinit.c: Add " (cpplib)" to end of string printed by
9250 2000-01-27 Richard Henderson <rth@cygnus.com>
9252 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9253 testing for a signed comparison.
9254 (alpha_emit_floatuns): New.
9255 * alpha-protos.h: Declare it.
9256 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9257 (extendsfdf2): Tidy.
9259 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9261 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9262 no -g option specifying debugging format, default to -gstabs+.
9264 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9266 * calls.c (special_function_p): New argument fork_or_exec.
9267 (expand_call): When profile_arc_flag is set and the function
9268 is in the fork_or_exec group, call __bb_fork_func first.
9269 * libgcc2.c, _bb module (__bb_fork_func): New function.
9270 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9272 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9273 * tree.h (special_function_p): Update prototype.
9275 2000-01-26 Richard Henderson <rth@cygnus.com>
9277 * alpha.c (alpha_split_tfmode_pair): New.
9278 * alpha-protos.h: Declare it.
9279 * alpha.md (abstf2, negtf2): New.
9280 (movtf insn): Add input G constraint.
9281 (movtf splitter): Use alpha_split_tfmode_pair.
9283 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9285 * i386/cygwin.h: PROTO -> PARAMS.
9287 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9289 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9290 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9291 using _Qp_cmp/_Q_cmp and testing the return value.
9292 (print_operand): Call reverse_condition_maybe_unordered if
9293 we are handling CCFPmode or CCFPEmode.
9294 Handle ORDERED, UN* and LTGT comparisons.
9295 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9296 if not TARGET_HARD_QUAD.
9297 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9298 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9299 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9300 Adjust gen_b* calls so that they reflect return comparison of
9301 sparc_emit_float_lib_cmp.
9303 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9305 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9306 incoming operands array is large enough for one more operand.
9307 (alpha_emit_xfloating_arith): Likewise.
9309 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9311 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9312 file with one line and no trailing newline.
9313 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9314 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9315 checking if the match is on the line.
9316 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9318 2000-01-25 Richard Henderson <rth@cygnus.com>
9320 * sparc.c (output_cbranch): Fix accidental squashing of the
9321 fp branch pre-delay nop.
9323 2000-01-25 Richard Henderson <rth@cygnus.com>
9325 * tree.def (UNNE_EXPR): Remove.
9326 * c-typeck.c (build_binary_op): Don't handle it.
9327 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9329 * rtl.def (UNNE): Remove.
9331 * jump.c (reverse_condition): Update accordingly.
9332 (swap_condition): Likewise.
9333 (comparison_dominates_p): Handle unordered comparisons.
9334 (reverse_condition_maybe_unordered): New.
9335 * rtl.h (reverse_condition_maybe_unordered): Declare.
9337 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9338 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9339 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9340 * sparc.md (bltgt): New.
9342 2000-01-25 Nick Clifton <nickc@redhat.com>
9344 * emit-rtl.c (emit_insn): Only check machine class insns for
9345 improper emission of a RETURN.
9347 2000-01-25 Richard Henderson <rth@cygnus.com>
9349 * Makefile.in (flow.o): Depend on $(EXPR_H).
9350 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9351 duplicate the structure of diddle_return_value for keeping regs live.
9353 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9355 * loop.c (current_loop_info): Delete.
9356 (consec_sets_invariant_p): Add loop argument, update callers.
9357 (get_condition_for_loop): Likewise.
9358 (count_nonfixed_reads, update_giv_derive): Likewise.
9359 (simplify_giv_expr, general_induction_var): Likewise.
9360 (consec_sets_giv, recombine_givs): Likewise.
9361 (move_movables): Delete loop_start and loop_end arguments,
9362 add loop argument, and update callers.
9363 (find_mem_givs, check_final_value): Likewise.
9364 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9365 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9367 (basic_induction_var): Add loop argument, delete loop_level argument,
9369 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9370 add loop argument, and update callers.
9371 (find_splittable_regs, find_splittable_givs): Likewise.
9372 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9373 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9374 (biv_total_increment): Delete loop_start and loop_end arguments;
9376 (precondition_loop_p): Delete loop_start and loop_info arguments;
9378 * loop.h (get_condition_for_loop): Add loop argument.
9379 (biv_total_increment): Delete loop_start and loop_end arguments.
9380 (precondition_loop_p): Delete loop_start and loop_info arguments;
9382 (final_biv_value): Delete loop_start and loop_end arguments;
9384 (final_giv_value, back_branch_in_range_p): Likewise.
9386 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9388 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9390 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9392 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9393 point to the new "generated_files" doc.
9395 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9397 * config/fp-bit.c (_unord_f2): Fix typo.
9399 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9401 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9402 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9403 functions obsoleted by GC, such as push_obstacks_nochange,
9404 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9405 and code which existed only to decide whether or not to call
9406 them. Remove now-unused NESTED argument from start_function;
9407 all callers changed. Do not change behavior based on ggc_p.
9408 The use of the ixp_obstack in c-iterate.c and the util_obstack
9409 in objc/objc-act.c remain; these are not obsoleted by garbage
9411 * c-tree.h: Update prototype for start_function.
9413 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9415 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9417 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9420 2000-01-25 Richard Henderson <rth@cygnus.com>
9422 * sparc-protos.h (select_cc_mode): Declare.
9423 * sparc.c (select_cc_mode): New. Handle unordered compares.
9424 (output_cbranch): Always reverse via code change. Handle
9425 unordered compares. Factor tests and string updates.
9426 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9427 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9428 * sparc.md (bunordered, bordered): New.
9429 (bungt, bunlt, buneq, bunge, bunle): New.
9431 2000-01-25 Richard Henderson <rth@cygnus.com>
9433 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9434 * ggc-common.c (ggc_add_rtx_varray_root): New.
9435 (ggc_mark_rtx_varray): New.
9436 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9437 functions down below ggc_mark_foo.
9438 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9440 2000-01-25 Richard Henderson <rth@cygnus.com>
9442 * alpha.c (secondary_reload_class): Don't allocate a secondary
9443 for integral mode memories into FLOAT_REGS. Rearrange the more
9444 complicated memory expression inward.
9446 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9448 * inclhack.def: Fixes to play nicer with FreeBSD, and
9449 corrections to comments.
9450 (cxx_unready): Add select expression.
9451 (irix_sockaddr): Add bypass expression.
9452 (machine_ansi_h_va_list): New fix.
9453 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9454 Split out addition of "#include <stdarg.h>" to...
9455 (stdio_stdarg_h): ... here.
9456 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9457 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9458 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9460 (ultrix_ifdef): Tighten up select expression.
9462 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9463 re_ct and max_mach to avoid use of shell. Make printed names
9464 match names in inclhack.def. Use static copyright date.
9465 Don't count c_test and test expressions as requiring regex_t
9466 slots. Add some commentary.
9467 * inclhack.tpl: Do not include the 'This script contains N
9468 fixup scripts' line if PROGRAM is defined. Use static
9471 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9473 * dwarf2out.c: include "varray.h", not dyn-string.h.
9474 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9475 (addr_const_to_string, addr_to_string): Lose.
9476 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9477 (struct dw_val_struct): val_addr is now an rtx.
9478 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9479 (used_rtx_varray): New varray.
9480 (dwarf2out_init): Initialize it.
9482 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9484 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9485 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9486 * Makefile.in (dwarf2out.o): Update dependencies.
9488 2000-01-24 Richard Henderson <rth@cygnus.com>
9490 * i386.c (i386_dwarf_output_addr_const): New.
9491 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9493 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9495 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9496 * i386.c (i386_simplify_dwarf_addr): New.
9497 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9499 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9501 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9502 TYPE_STUB_DECL is NULL.
9504 2000-01-24 Richard Henderson <rth@cygnus.com>
9506 * builtins.c (expand_tree_builtin): Move ...
9507 * c-common.c (expand_tree_builtin): ... here.
9509 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9511 * loop.h (LOOP_INFO): New accessor macro.
9512 * basic-block.h (struct loop): Rename field `info' to `aux'.
9513 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9514 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9515 * unroll.c (loop_iterations, unroll_loop): Likewise.
9517 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9519 * config/i386/t-cygwin: Accomodate new winsup directory layout
9520 when searching for include files.
9522 2000-01-24 Richard Henderson <rth@cygnus.com>
9524 * rtl.def: Add unordered fp comparisions.
9525 * tree.def: Likewise.
9526 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9528 * builtins.c (expand_tree_builtin): New function.
9529 * c-typeck.c (build_function_call): Use it.
9530 (build_binary_op): Support unordered compares.
9531 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9533 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9534 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9535 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9536 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9537 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9539 (swap_condition): Handle unordered compares.
9540 (thread_jumps): Check can_reverse before reversing.
9541 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9544 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9545 setcc is present before acking for cmp_optab. Update all callers.
9546 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9547 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9548 * expr.c (expand_expr): Likewise. Support unordered compares.
9549 (do_jump, do_store_flag): Likewise.
9550 * expr.h (enum libfunc_index): Add unordered compares.
9552 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9553 (DPBIT_FUNCS): Add _unord_df.
9554 * config/fp-bit.c (_unord_f2): New.
9555 * fp-test.c (main): Try unordered compare builtins.
9557 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9558 * alpha.c (alpha_comparison_operator): Check mode properly.
9559 (alpha_swapped_comparison_operator): Likewise.
9560 (signed_comparison_operator): Likewise.
9561 (alpha_fp_comparison_operator): New.
9562 (alpha_emit_conditional_branch): Handle unordered compares.
9563 * alpha.h (PREDICATE_CODES): Update.
9564 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9565 (bunordered, bordered): New.
9567 2000-01-24 Richard Henderson <rth@cygnus.com>
9569 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9570 * alpha.md (movtf): New expander, insn, and splitter.
9572 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9574 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9577 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9579 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9580 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9581 REG_ALLOC_ORDER): Add frame pointer
9582 (FRAME_POINTER_REGNUM): Set to 20
9583 (HARD_FRAME_POINTER_REGNUM): New macro.
9584 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9585 to HARD_FRAME_POINTER.
9586 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9587 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9588 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9589 (HI_REGISTER_NAMES): Add "frame".
9590 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9591 (debug_reg): Handle FRAME_POINTER_REGNUM.
9592 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9593 GENERAL_REGS and INDEX_REGS.
9594 * i386.c (SAVED_REGS_FIRST): new macro.
9595 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9596 (ix86_decompose_address, memory_address_length): Likewise.
9597 (regclass_map): Add frame pointer.
9598 (call_insn_operand): Handle frame_pointer_rtx.
9599 (reg_no_sp_operand): Likewise.
9600 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9601 (print_operand, legitimize_pic_address): Fix formating.
9602 (ix86_compute_frame_size): Make static, update prototype, new
9603 parameters padding1, padding2, use ix86_nsaved_regs, use
9604 stack_alignment_needed.
9605 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9606 to HARD_FRAME_POINTER_REGNUM conversions.
9607 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9608 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9609 (print_reg): Abort on FRAME_POINTER_REGNUM
9611 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9613 * i386.h (PREDICATE_CODES): Add aligned_operand.
9614 * i386.c (aligned_operand): New function.
9615 (ix86_aligned_p): Kill.
9616 * i386.md (movhi_1): Emit mov for aligned operands.
9617 (promoting peep2s): Use aligned_operand.
9619 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9621 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9622 expression to allow underscores in macro names.
9623 (fix_char_macro_defines): Increment scanning pointer.
9625 2000-01-23 Richard Henderson <rth@cygnus.com>
9627 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9628 * alpha/osf5.h: New file.
9629 * configure.in (alpha-*-osf5): Add it to tm_file.
9631 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9633 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9634 (alpha_emit_xfloating_cvt, function_arg): Declare.
9635 * alpha.c (alpha_emit_conditional_branch): Call
9636 alpha_emit_xfloating_compare for TFmode compares.
9637 (alpha_lookup_xfloating_lib_func): New.
9638 (alpha_compute_xfloating_mode_arg): New.
9639 (alpha_emit_xfloating_libcall): New.
9640 (alpha_emit_xfloating_arith): New.
9641 (alpha_emit_xfloating_compare): New.
9642 (alpha_emit_xfloating_cvt): New.
9643 (print_operand): Add default abort case.
9644 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9645 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9646 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9647 (RETURN_IN_MEMORY): True for TF/TCmode.
9648 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9649 (FUNCTION_ARG): Move to function_arg.
9650 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9651 (ASM_OUTPUT_LONG_DOUBLE): New.
9652 (ASM_OUTPUT_DOUBLE): Always output bits.
9653 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9654 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9655 (extenddftf2, trunctfdf2): New.
9657 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9659 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9660 * config/sparc/sol2.h: ... here.
9662 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9664 * basic-block.h (struct loops): New field `levels'.
9665 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9666 (flow_loop_level_compute): Initialise level to 1.
9667 (flow_loops_find): Set loops->levels.
9668 (flow_loops_dump): Print loops->levels.
9670 2000-01-23 Richard Henderson <rth@cygnus.com>
9672 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9673 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9675 2000-01-23 Richard Henderson <rth@cygnus.com>
9677 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9678 * i386.h (DBX_REGISTER_NUMBER): Use them.
9679 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9680 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9681 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9682 * i386/sequent.h: Kill incorrect comment.
9684 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9686 * ggc-page.c (struct page_entry): Make `context_depth' an
9688 (struct globals): Likewise.
9690 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9692 * loop.c (check_dbra_loop): When checking a loop for
9693 reversability, check the source of any stores to ensure
9694 they don't depend on an initial value.
9696 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9698 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9700 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9702 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9703 'pz_scan' into scope of entire function. Only affects
9704 compiles with -DDEBUG.
9706 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9708 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9709 section naming to that prior to 2000-01-07 patch.
9710 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9711 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9712 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9713 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9714 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9716 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9718 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9721 2000-01-21 Jim Wilson <wilson@cygnus.com>
9723 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9724 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9726 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9728 * cpphash.c (change_newlines): Delete function.
9729 (struct argdata): Delete 'newlines' and 'use_count' fields.
9730 (macroexpand): Remove code referencing those fields.
9732 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9734 * loop.c (loops_info): New variable.
9735 (loop_optimize): Allocate loops->array and free it on exit.
9736 Allocate memory for loops_info and assign to each loop,
9738 (find_and_verify_loops): Do not allocate loops->array.
9740 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9742 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9744 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9746 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9747 pseudos if expanded after first flow.
9748 (movdi_pic_label_ref): Likewise.
9750 2000-01-20 Richard Henderson <rth@cygnus.com>
9752 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9754 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9756 * Makefile.in (fixinc.sh): Depend on specs.
9757 * fixinc/Makefile.in: Add rule to create machname.h.
9758 (fixlib.o): Depend on machname.h.
9759 * fixinc/fixtests.c (machine_name): New test.
9760 * fixinc/fixfixes.c (machine_name): New fix.
9761 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9762 the machine_name test and fix.
9763 * fixinc/fixlib.h: Prototype it.
9764 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9765 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9767 * gcc.c (do_spec_1) [case P]: Take care not to create
9768 identifiers with three leading or trailing underscores.
9770 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9771 (fixincl): Don't specify libraries twice on link line.
9772 (gnu-regex.o): Remove special rule.
9773 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9774 defined by config.h. Do not define _REGEX_RE_COMP.
9775 (regcomp): Allocate and initialize a fastmap.
9776 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9778 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9780 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9782 2000-01-19 Richard Henderson <rth@cygnus.com>
9784 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9785 arguments with BB. Update all callers. Tidy line wrapping.
9787 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9789 * emit-rtl.c (try_split): Return last_insn if we split the
9792 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9794 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9795 (ix86_initial_elimination_offset): Declare.
9796 * i386.c (ix86_nsaved_regs): Break out from ...
9797 (ix86_can_use_return_insn_p): ... here.
9798 (ix86_emit_save_regs): Break out from ...
9799 (ix86_expand_prologue): ... here.
9800 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9802 (ix86_expand_epilogue): ... here.
9803 (ix86_compute_frame_size): Make static, add prototype.
9804 (ix86_initial_elimination_offset): Break out from ...
9805 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9807 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9809 * recog.h (OUT_FCN): Delete.
9811 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9813 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9815 * cppalloc.c: PROTO -> PARAMS.
9816 * cpperror.c: Likewise.
9817 * cppfiles.c: Likewise.
9818 * cpplib.c: Likewise.
9819 * cpplib.h: Likewise.
9821 * config/arm/arm-protos.h: PROTO -> PARAMS.
9822 * config/arm/arm.c: Likewise.
9823 * config/c4x/c4x.c: Likewise.
9824 * config/fr30/fr30-protos.h: Likewise.
9825 * config/nextstep.c: Likewise.
9826 * config/pa/pa.c: Likewise.
9827 * config/pj/pj.c: Likewise.
9828 * config/rs6000/rs6000.c: Likewise.
9829 * config/v850/v850-protos.h: Likewise.
9830 * config/v850/v850.c: Likewise.
9832 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9834 * i370-protos.h: New file.
9836 * i370.c: Include tm_p.h. Fix compile time warnings.
9838 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9841 * i370.md: Likewise.
9843 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9845 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9846 (target_isinf, target_isnan, eisnan): Mark parameter with
9848 (eiisinf): Wrap in INFINITY.
9849 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9850 (ibmtoe): Remove unused variable `rndsav'.
9852 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9854 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9855 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9857 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9859 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9860 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9861 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9863 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9864 Recognize Emacs mode markers also.
9865 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9866 C++ comments in C++ headers. Call is_cxx_header only if
9869 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9871 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9872 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9873 ... these, which use the new C fixes.
9874 (math_exception): Escape literal '+' in bypass expression.
9876 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9879 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9881 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9884 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9886 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9887 prior to calling scan_loop.
9889 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9891 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9892 (split_branches, calc_live_regs): Likewise.
9894 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9896 * sh.md (fpu_single, fp_mode): New attributes.
9898 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9900 * loop.c (current_loop_info): Renamed from loop_info_data
9901 and changed to a pointer.
9902 (loop_optimize): Allocate loop_info structure for each loop
9903 and initialise to zero.
9904 (scan_loop): Set current_loop_info.
9906 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9909 2000-01-19 Richard Henderson <rth@cygnus.com>
9911 * stupid.c: Die die die.
9912 * Makefile.in (OBJS): Remove stupid.o.
9913 (stupid.o): Likewise.
9915 * except.c (emit_eh_context): Don't emit USEs for stupid.
9916 * explow.c (probe_stack_range): Likewise.
9917 * flags.h (obey_regdecls): Remove.
9918 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9919 when not optimizing.
9920 (life_analysis): Limit data collection when not optimizing.
9921 (mark_regs_live_at_end): Always mark the return value registers.
9922 (mark_used_regs): Remove dummy RETURN case.
9923 (print_rtl_with_bb): Don't consult obey_regdecls.
9924 * function.c (use_variable, use_variable_after): Remove.
9925 (assign_parms): Consult optimize not obey_regdecls.
9926 (expand_function_start): Don't emit USEs for stupid.
9927 (expand_function_end): Likewise.
9928 * global.c (build_insn_chain): Export.
9929 * integrate.c (expand_inline_function): Kill return-value USE
9931 * jump.c (jump_optimize_1): Do simple jump optimizations and
9932 dead code elimination.
9933 (calculate_can_reach_end): Remove check_deleted argument.
9934 (delete_insn): Patch out insns even when not optimizing.
9935 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
9936 * rtl.h (use_variable, use_variable_after): Remove declarations.
9937 (build_insn_chain): Declare.
9938 * stmt.c (expand_value_return): Don't emit USEs for stupid.
9939 (expand_end_bindings): Likewise.
9940 (expand_decl): Likewise. Consult optimize not obey_regdecls.
9941 * toplev.c (obey_regdecls): Remove.
9942 (rest_of_compilation): Don't set it. Kill stupid in favour of
9943 flow1, local-alloc, and reload.
9944 (main): Don't set obey_regdecls.
9946 * config/nextstep.c (handle_pragma): Likewise.
9948 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
9950 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
9952 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9954 * alpha-protos.h: PROTO -> PARAMS.
9955 * alpha.c: Likewise.
9957 * h8300.c: Likewise.
9958 * i386-protos.h: Likewise.
9960 * m32r-protos.h: Likewise.
9963 * mips.md: Likewise.
9964 * gmon-sol2.c: Likewise.
9965 * sparc.c: Likewise.
9967 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9969 * ns32k-protos.h: New file.
9971 * ns32k.c: Fix compile time warnings.
9973 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
9976 * ns32k.md: Likewise.
9978 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9980 * vax-protos.h: New file.
9982 * vax.c: Fix compile time warnings.
9984 * vax.h: Move prototypes to vax-protos.h. Fix compile time
9989 * vaxv.md: Likewise.
9991 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9993 * romp-protos.h: New file.
9995 * romp.c: Fix compile time warnings.
9997 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10000 * romp.md: Likewise.
10002 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10004 * we32k-protos.h: New file.
10006 * we32k.c: Fix compile time warnings.
10008 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10011 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10013 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10015 * except.c (eh_regs): Likewise.
10017 * final.c (output_operand): Likewise.
10019 * fold-const.c (target_isinf, target_isnan): Likewise.
10021 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10023 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10024 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10026 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10027 when optimize_size.
10028 (clrstrsi): Rewrite.
10029 (strsethi, strsetqi): New expanders.
10030 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10031 (cmpstrsi): Emit compare insn before cmpstrsi_1
10032 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10033 (strlensi_1): Likewise.
10034 (cmpstrsi_1): Likewise; do not output compare.
10035 (strlen expander): Do not unroll when optimizing for size.
10036 (*subsi3_carry): Rename to subsi3_carry
10037 (addqi3_cc): New pattern.
10038 * i386.h (processor_costs): Add move_ratio field.
10039 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10040 * i386.c (*_cost): Set move_ratio.
10041 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10042 (x86_expand_strlensi_1): Rewrite the main loop.
10044 2000-01-17 Richard Henderson <rth@cygnus.com>
10046 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10047 * cse.c (find_comparison_args, fold_rtx): Likewise.
10048 * integrate.c (subst_constants): Likewise.
10049 * loop.c (get_condition): Likewise.
10051 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10053 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10055 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10057 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10058 (RESTORE_WARN_FLAGS): Unpack it.
10059 Change semantic type of extension to ttype.
10060 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10061 * c-parse.y, c-parse.c, objc/objc-parse.y,
10062 objc/objc-parse.c: Regenerate.
10064 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10066 * fixinc/fixlib.c: Add copyright notice.
10067 (compile_re): New function.
10068 * fixinc/fixlib.h: Prototype compile_re.
10070 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10071 Use compile_re to compile regular expressions.
10073 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10074 where the pattern matched.
10076 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10078 (ultrix_ansi_compat): Likewise.
10079 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10081 (interactv_add2, interactv_add3): Delete.
10082 (x11_sprintf): Don't use filename glob.
10083 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10086 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10088 * print-rtl.c: PROTO -> PARAMS.
10089 * real.c: Likewise.
10090 * reg-stack.c: Likewise.
10091 * resource.c: Likewise.
10092 * sdbout.h: Likewise.
10093 * simplify-rtx.c: Likewise.
10094 * stor-layout.c: Likewise.
10095 * stupid.c: Likewise.
10096 * xcoffout.c: Likewise.
10097 * xcoffout.h: Likewise.
10099 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10101 * toplev.c: PROTO -> PARAMS.
10102 * toplev.h: Likewise.
10103 * tree.c: Likewise.
10104 * tree.h: Likewise.
10105 * unroll.c: Likewise.
10106 * varasm.c: Likewise.
10107 * varray.c: Likewise.
10108 * varray.h: Likewise.
10110 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10112 * reload.c: PROTO -> PARAMS.
10113 * reload.h: Likewise.
10114 * reload1.c: Likewise.
10115 * reorg.c: Likewise.
10116 * resource.h: Likewise.
10119 * rtlanal.c: Likewise.
10120 * sbitmap.h: Likewise.
10121 * sdbout.c: Likewise.
10122 * stack.h: Likewise.
10123 * stmt.c: Likewise.
10124 * system.h: Likewise.
10126 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10128 * machmode.h: PROTO -> PARAMS.
10129 * mbchar.h: Likewise.
10130 * mips-tdump.c: Likewise.
10131 * mips-tfile.c: Likewise.
10132 * optabs.c: Likewise.
10133 * output.h: Likewise.
10134 * prefix.c: Likewise.
10135 * profile.c: Likewise.
10136 * protoize.c: Likewise.
10137 * real.h: Likewise.
10138 * recog.c: Likewise.
10139 * recog.h: Likewise.
10140 * regclass.c: Likewise.
10141 * regmove.c: Likewise.
10142 * regs.h: Likewise.
10144 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10146 * ggc-common.c: PROTO -> PARAMS.
10147 * ggc-page.c: Likewise.
10148 * ggc-simple.c: Likewise.
10150 * global.c: Likewise.
10151 * graph.c: Likewise.
10152 * gthr-win32.h: Likewise.
10153 * haifa-sched.c: Likewise.
10154 * halfpic.h: Likewise.
10155 * integrate.c: Likewise.
10156 * integrate.h: Likewise.
10157 * jump.c: Likewise.
10159 * local-alloc.c: Likewise.
10160 * loop.c: Likewise.
10161 * loop.h: Likewise.
10163 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10165 * genattr.c: PROTO -> PARAMS.
10166 * genattrtab.c: Likewise.
10167 * gencheck.c: Likewise.
10168 * gencodes.c: Likewise.
10169 * genconfig.c: Likewise.
10170 * genemit.c: Likewise.
10171 * genextract.c: Likewise.
10172 * genflags.c: Likewise.
10173 * gengenrtl.c: Likewise.
10174 * genopinit.c: Likewise.
10175 * genoutput.c: Likewise.
10176 * genpeep.c: Likewise.
10177 * genrecog.c: Likewise.
10179 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10181 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10183 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10185 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10186 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10187 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10188 * configure, config.in: Rebuilt.
10190 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10192 * config/i386/i386.md: Add peephole to merge successive stack
10195 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10197 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10198 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10199 when walking backwards to find all the parameter loads when
10200 the basic block ends in a call.
10202 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10204 * loop.c (this_loop_info): Delete.
10205 (uid_loop): Add in place of uid_loop_num. All uses updated.
10206 (loop_number_exit_count): Delete and replace with entry in loop
10207 structure. All uses updated.
10208 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10209 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10210 (loop_outer_loop): Likewise.
10211 (loop_invalid, loop_number_exit_labels): Likewise.
10212 (loop_used_count_register): Delete and replace with entry in
10213 loop_info structure.
10214 (find_and_verify_loops): Add loops argument.
10215 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10216 loop_end, etc. arguments with loop structure pointer. All callers
10218 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10219 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10220 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10221 (insert_bct): Likewise.
10222 (basic_induction_var): New argument level.
10223 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10224 vtop, and cont. Add used_count_register.
10225 (uid_loop): Delete declaration.
10226 (loop_number_exit_count): Likewise.
10227 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10228 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10229 (loop_outer_loop, loop_used_count_register): Likewise.
10230 (loop_invalid, loop_number_exit_labels): Likewise.
10231 (unroll_loop): Replace loop_start and loop_end arguments
10232 with loop structure pointer.
10233 (loop_precondition_p, loop_iterations): Likewise.
10234 Include basic-block.h.
10235 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10236 with loop structure pointer.
10237 (loop_precondition_p, loop_iterations): Likewise.
10238 * basic-block.h (struct loop): New entries vtop, cont,
10239 cont_dominator, start, end, top, scan_start, exit_labels,
10241 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10243 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10245 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10247 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10249 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10251 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10253 * pdp11-protos.h: New file.
10255 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10258 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10261 * pdp11.md: Likewise.
10263 * 2bsd.h: Likewise.
10265 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10267 * mn10300-protos.h: New file.
10269 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10272 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10275 * mn10300.md: Likewise.
10277 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10279 * mn10200-protos.h: New file.
10281 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10284 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10287 * mn10200.md: Likewise.
10289 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10291 * h8300-protos.h: New file.
10293 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10296 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10299 * h8300.md: Likewise.
10301 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10303 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10304 (asm_emit_uninitialised): Likewise.
10306 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10308 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10309 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10311 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10313 * config/mips/mips.c (override_options): Don't turn on extra
10314 alignment for mips16.
10316 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10318 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10319 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10322 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10324 * builtins.c (PAD_VARARGS_DOWN): Define.
10325 (std_expand_builtin_va_arg): Use the above macro.
10326 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10327 * tm.texi (Register Arguments): Document the above macro.
10329 2000-01-14 Nick Clifton <nickc@cygnus.com>
10331 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10332 that this function has not been used to emit a jump
10335 * jump.c (return_jump_1): Cope with being passed a null rtx.
10337 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10339 * eh-common.h: PROTO -> PARAMS.
10340 * emit-rtl.c: Likewise.
10341 * errors.c: Likewise.
10342 * errors.h: Likewise.
10343 * except.c: Likewise.
10344 * except.h: Likewise.
10345 * explow.c: Likewise.
10346 * expmed.c: Likewise.
10347 * expr.c: Likewise.
10348 * expr.h: Likewise.
10349 * final.c: Likewise.
10350 * fix-header.c: Likewise.
10351 * flow.c: Likewise.
10352 * fold-const.c: Likewise.
10353 * function.c: Likewise.
10354 * function.h: Likewise.
10356 * gcov-io.h: Likewise.
10357 * gcov.c: Likewise.
10358 * gcse.c: Likewise.
10360 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10362 * sh-protos.h: New file.
10364 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10365 Add static prototypes. Fix compile time warnings.
10367 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10371 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10373 * arc-protos.h: New file.
10375 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10378 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10381 * arc.md: Likewise.
10383 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10385 * dsp16xx-protos.h: New file.
10387 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10390 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10393 * dsp16xx.md: Likewise.
10395 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10397 * convex-protos.h: New file.
10399 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10402 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10405 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10407 * elxsi-protos.h: New file.
10409 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10412 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10415 * elxsi.md: Likewise.
10417 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10419 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10420 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10421 match the comment for MIPS16.
10423 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10425 * flow.c (split_edge): Do not call set_block_for_insn if we
10426 do not have a basic_block_for_insn structure.
10428 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10429 and destination functions are 32bit aligned within the trampoline.
10430 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10431 (TRAMPOLINE_ALIGNMENT): Define.
10433 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10434 (set (pc) (label_ref)), verify the change creates a valid insn.
10436 * fr30.c (call_operand): Tighten and rework to match rules for
10437 call RTL expressions.
10438 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10439 * fr30.md (call patterns): Improve constraints.
10441 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10443 * fr30.c (fr30_expand_epilogue): Revert last change.
10444 Use emit_jump_insn for the return insn.
10446 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10447 Stan Cox <scox@cygnus.com>
10449 * predict.c: New file. Preliminary infrastructure work for static
10450 branch prediction and basic block reordering.
10451 * basic-block.h: Add prototype for estimate_probability.
10452 * Makefile.in: Add rules for predict.o.
10454 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10456 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10457 * fixinc/*: Likewise.
10459 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10461 * cccp.c: PROTO -> PARAMS.
10462 * cexp.y: Likewise.
10463 * collect2.c: Likewise.
10464 * combine.c: Likewise.
10465 * convert.h: Likewise.
10467 * dbxout.c: Likewise.
10468 * dbxout.h: Likewise.
10469 * diagnostic.c: Likewise.
10470 * doprint.c: Likewise.
10471 * dwarf2out.c: Likewise.
10472 * dwarf2out.h: Likewise.
10473 * dwarfout.c: Likewise.
10474 * dwarfout.h: Likewise.
10475 * dyn-string.h: Likewise.
10477 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10479 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10480 macro conditionals guarding use.
10482 * dwarf2out.c: Include "tm_p.h".
10484 * function.c (locate_and_pad_parm): Mark parameter with
10486 (expand_function_end): Likewise for variable `context'.
10488 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10490 2000-01-13 Nick Clifton <nickc@cygnus.com>
10492 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10493 register to prevent compile time warnings.
10495 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10497 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10498 to avoid -Wtraditional warning.
10500 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10502 * 1750a-protos.h: New file.
10504 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10507 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10510 * 1750a.md: Likewise.
10512 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10514 * a29k-protos.h: New file.
10516 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10519 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10522 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10524 * clipper-protos.h: New file.
10526 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10529 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10532 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10534 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10536 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10538 * configure.in (--enable-new-gxx-abi): New option.
10539 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10540 * Makefile.in (GXX_ABI_FLAG): New variable.
10541 * configure: Regenerate.
10543 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10545 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10546 * tm.texi (FORCE_STRUCT_BLK): Document.
10547 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10549 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10551 * config/ns32k/ns32k.md: Revert Jan 9 change.
10553 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10554 to a mode-test, if the predicate is address_operand.
10556 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10558 * combine.c (if_then_else_cond): Be careful about what kinds
10559 of RTL expressions are passed to operand_subword.
10561 * flow.c (split_edge): If we have to insert a new jump, make
10562 sure to associate it with a basic block.
10564 * flow.c (commit_one_edge_insertion): A block with one successor
10565 can end in a JUMP_INSN that is not a simplejump.
10567 2000-01-12 Robert Lipe <robertl@sco.com>
10569 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10570 (BUILD_VA_LIST_TYPE): Define.
10571 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10574 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10576 * cccp.c (do_pragma): Add cast to (char *).
10578 2000-01-12 Richard Henderson <rth@cygnus.com>
10579 Fred Fish <fnf@be.com>
10580 Jason Merrill <jason@cygnus.com>
10582 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10583 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10584 * i386/beos-elf.h, i386/beos-pe.h: New files.
10586 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10587 * cross-make (SYSTEM_HEADER_DIR): Define using
10588 CROSS_SYSTEM_HEADER_DIR.
10590 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10591 (process_command): Use it.
10592 (main): Likewise. Kill trailing = from env vars.
10593 (build_search_list): Put it back.
10594 * collect2.c (main): Use LIBRARY_PATH_ENV.
10596 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10597 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10599 * tm.texi (Frame Layout): Document SMALL_STACK.
10600 * c-common.c (c_common_nodes_and_builtins): Check it.
10602 * system.h: Undef alloca after including glibc's <stdlib.h>,
10603 if USE_C_ALLOCA is defined.
10605 * gcc.c (set_input): New fn.
10606 (main): After all input files are compiled, reset the input file
10609 * aclocal.m4 (rindex, index): If already defined, don't attempt
10612 * ginclude/varargs.h: (__va_list__): Define ifndef.
10613 * ginclude/stdarg.h: Likewise.
10615 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10616 instead of unsigned char.
10618 * hash.h (true, false, boolean): Undef before enum.
10620 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10621 proper type of "HOST_WIDE_INT *", rather than their natural type of
10622 "unsigned HOST_WIDE_INT *".
10624 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10626 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10628 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10630 * regclass.c (choose_hard_reg_mode): Likewise.
10632 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10634 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10636 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10638 * c-common.c: PROTO -> PARAMS.
10639 * c-common.h: Likewise.
10640 * c-decl.c: Likewise.
10641 * c-iterate.c: Likewise.
10642 * c-lang.c: Likewise.
10643 * c-lex.c: Likewise.
10644 * c-lex.h: Likewise.
10645 * c-parse.in: Likewise.
10646 * c-pragma.c: Likewise.
10647 * c-pragma.h: Likewise.
10648 * c-tree.h: Likewise.
10649 * c-typeck.c: Likewise.
10650 * objc/objc-act.c: Likewise.
10651 * objc/objc-act.h: Likewise.
10653 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10655 * m88k-protos.h: New file.
10657 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10660 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10662 * m88k.md: Likewise.
10664 * tekXD88.h: Likewise.
10666 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10668 * m68k-protos.h: New file.
10670 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10673 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10675 * mot3300.h: Likewise.
10677 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10679 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10681 (extract_bitlist): Declare bitlen.
10683 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10685 * cccp.c: Accept and ignore -lang-fortran.
10687 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10688 qualifiers don't match at any level of pointerness.
10690 2000-01-12 Robert Lipe <robertl@sco.com>
10692 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10694 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10696 * reload1.c (reload_reg_unavailable): New static variable.
10697 (reload_reg_free_p): Test it.
10698 (reload_reg_free_for_value_p): Test it instead of
10700 (choose_reload_regs_init): Compute it.
10702 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10704 * reorg.c (fill_slots_from_thread): Check modified_in_p
10707 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10709 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10710 these nodes even if INTERNALS is not set.
10712 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10714 * gcse.c (delete_null_pointer_checks_1): Cope when
10715 get_condition cannot determine the condition.
10717 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10719 * toplev.h (set_message_length): Declare.
10721 * diagnostic.c (obstack_chunk_alloc): Define macro.
10722 (obstack_chunk_free): Likewise.
10723 (struct output_buffer): New data structure.
10724 (vmessage): Remove.
10725 (output_maximum_width): New variable.
10726 (doing_line_wrapping, set_message_length, init_output_buffer,
10727 get_output_prefix, output_space_left, emit_output_prefix,
10728 output_newline, output_append, output_puts, dump_output,
10729 vbuild_message_string, build_message_string, build_location_prefix,
10730 voutput_notice, output_printf, line_wrapper_printf,
10731 vline_wrapper_message_with_location): New functions. Implement
10732 automatic line wrapping.
10733 (v_message_with_decl): Make it handle automatic line wrapping.
10734 (v_error_with_file_and_line): Likewise.
10735 (v_warning_with_file_and_line): Likewise.
10736 (announce_function): Likewise.
10737 (default_print_error_function): Likewise.
10739 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10741 * cpplib.h (struct cpp_options): Change lang_asm to char.
10743 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10744 done in cpp_handle_option now.
10745 (initialize_builtins): Take out special case code used only by
10747 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10748 if -traditional. Recognize -lang-fortran and set
10749 lang_fortran, also turn off cplusplus_comments.
10750 (print_help): Document -lang-fortran.
10751 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10752 lang_asm. Ignore all directives other than `# 123 "file"' if
10754 (cpp_get_token): If -traditional, don't recognize directives
10755 unless the # is in column 1.
10756 (parse_string): If lang_fortran or lang_asm, silently
10757 terminate strings ('' or "") at end of line.
10758 Remove unnecessary braces.
10760 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10761 Richard Henderson <rth@cygnus.com>
10763 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10765 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10766 strict_low_part when possible.
10768 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10770 * alias.c: PROTO -> PARAMS.
10771 * basic-block.h: Likewise.
10772 * bitmap.c: Likewise.
10773 * bitmap.h: Likewise.
10774 * builtins.c: Likewise.
10775 * c-aux-info.c: Likewise.
10776 * caller-save.c: Likewise.
10777 * calls.c: Likewise.
10779 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10781 * Makefile.in (toplev.o): Depend on regs.h.
10783 * output.h (tdesc_section): Prototype.
10785 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10787 * sdbout.c: Include "tm_p.h".
10789 * toplev.c: Include "regs.h".
10791 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10793 * unroll.c (unroll_loop): Add EH support.
10795 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10797 * pa-protos.h: New file.
10799 * pa.c: Include recog.h and tm_p.h.
10800 (compute_zdepwi_operands, compute_movstrsi_length,
10801 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10802 find_addr_reg, import_milli): Add static prototypes.
10803 (pa_cpu_string, pa_arch_string): Constify a char*.
10804 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10805 (read_only_operand): Add argument `mode'.
10806 (singlemove_string, output_move_double, output_fp_move_double,
10807 output_block_move, output_and, output_ior, output_ascii,
10808 remove_useless_addtr_insns, milli_names, output_mul_insn,
10809 output_div_insn, output_mod_insn, output_arg_descriptor,
10810 output_cbranch, output_bb, output_bvb, output_dbra, ,
10811 output_millicode_call, output_call, hppa_encode_label,
10812 output_parallel_movb, output_parallel_addb): Constify a char*.
10813 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10814 (output_parallel_addb): Remove extra arg to `constrain_operands'
10816 * pa.h: Move all prototypes to pa-protos.h.
10817 (pa_cpu_string, pa_arch_string): Constify a char*.
10818 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10820 * pa.md: Call `function_label_operand' with mode argument.
10821 Likewise for `read_only_operand'.
10822 Fix nesting of parens in call to `symbolic_operand'.
10824 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10826 * i860-protos.h: New file.
10828 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10831 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10833 * i860.md: Likewise.
10835 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10837 * i386.md (movstrsi expander): Rewrite.
10838 (movstrsi_1 insn): Deleted.
10839 (strmovhi, strmovqi expander): New expanders.
10840 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10841 * i386.c (x86_single_stringop): New global variable.
10842 * i386.h (x86_single_stringop): Declare.
10843 (TARGET_SINGLE_STRINGOP): New macro.
10845 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10847 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10848 integer vararg POSTINCREMENT before the destination of the jump
10849 for the hard fp case.
10850 (function_arg_pass_by_reference): Pass a copy of CUM to
10853 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10854 for CONSTANT_ADDRESS_P above while loop for subreg.
10856 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10858 * flow.c (propagate_block): When a prologue/epilogue insn
10859 is marked dead, unconditionally clear libcall_is_dead and
10860 insn_is_dead, and only dump rtl if warnings aren't being
10863 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10865 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10866 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10867 (FIXED_REGISTERS): Set dirflag as fixed.
10868 (CALL_USED_REGISTERS): Set dirflag as used.
10869 (REG_ALLOC_ORDER): Set dirflag as last one.
10870 (DIRFLAG_REG): New macro.
10871 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10872 (HI_REGISTER_NAMES): Add dirflag.
10873 (DEBUF_PRINT_REG): Handle dirflag.
10874 * i386.md (type attribute): New cld and str types.
10875 (length_opcode attribute): Set cld and str to 1.
10876 (memory attribute): Set str to unknown - it is not clear from the
10878 (pent_np function unit): Prefixed string operations takes 12 cycles
10879 minimally; cld takes 2 cycles.
10880 (ppro_uops attribute): Str is "many" and cld is "few".
10881 (ppro_p0 unit): Handle cld here.
10882 (k6_alux unit): Handle cld and str types.
10883 (k6_load unit): It is ocupied by str opcodes.
10884 (k6_store unit): It is ocupied by str opcodes.
10885 (athlon_decode): Str is vector decoded.
10886 (athlon_ieu): Handle str and cld.
10887 (cld pattern): New.
10888 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10889 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10890 cmpstrsi_nz_1 insn): Do not output cld instruction
10892 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10894 * gcc.texi (G++ and GCC): Add Java and Chill.
10895 (Bug Critera): Don't list languages.
10897 * gcc.texi (Incompatibilities): No longer claim most C compilers
10900 * gcc.texi (G++ and GCC): Update other front-ends list.
10902 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10904 * i386.c (ix86_expand_setcc): Fix typo.
10905 (ix86_expand_movcc): Similarly.
10907 * Band-aid until haifa's bitset implementation is nuked.
10908 * haifa-sched.c (extract_bitlst): New parameter for size of the
10909 bitset in bits. All callers changed. Avoid looking at undefined
10910 bits in the bitset.
10911 (edgeset_bitsize): New variable.
10912 (schedule_region): Initialize edgeset_bitsize.
10914 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10916 * Makefile.in (optabs.o): Depend on real.h
10917 (resource.o): Depend on insn-attr.h
10919 * builtins.c (result_vector): Wrap prototype in macro conditions
10920 governing definition and use.
10922 * c-common.c: Include tm_p.h.
10924 * c-lex.c: Likewise.
10926 * elfos.h: Constify a char*.
10928 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10929 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10930 parameter with ATTRIBUTE_UNUSED.
10932 * fold-const.c (exact_real_inverse): Wrap variable `i' in
10935 * haifa-sched.c (schedule_insns): Mark parameter with
10938 * optabs.c: Include real.h.
10940 * real.h (ereal_atof): Add prototype arguments.
10942 * resource.c: Include insn-attr.h.
10944 * sdbout.c (sdbout_queue_anonymous_type,
10945 sdbout_dequeue_anonymous_types): Wrap in macro
10946 SDB_ALLOW_FORWARD_REFERENCES.
10947 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
10950 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
10952 * stupid.c: Include tm_p.h.
10954 * tree.c (real_value_from_int_cst): Mark parameter with
10957 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10959 * i960-protos.h: New file.
10961 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
10964 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
10966 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10968 * combine.c (expand_field_assignment): Do not discard SUBREGs
10969 while computing nonzero_bits.
10971 2000-01-09 Nick Clifton <nickc@cygnus.com>
10973 * config/arm/arm.c: Fix compile time warnings about signed vs
10974 unsigned constants.
10975 * config/arm/arm.h: Fix compile time warnings about signed vs
10976 unsigned constants.
10978 2000-01-09 Philip Blundell <philb@gnu.org>
10980 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
10981 than `ldm' with only one register.
10982 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
10985 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
10988 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
10990 * config/ns32k/ns32k.md (load or push effective address): Operand 1
10993 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10995 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
10996 assignment used as truth value.
10998 * function.c (assign_temp): Mark parameter `dont_promote' with
10999 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11000 PROMOTE_FOR_CALL_ONLY.
11002 * genrecog.c (write_subroutine): Mark variable `operands' with
11005 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11008 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11009 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11011 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11014 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11016 * config/c4x.h: Tidy up comments.
11017 * config/c4x.c: Likewise.
11019 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11021 * fold-const.c (lshift_double, rshift_double): Handle
11022 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11024 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11026 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11027 in prepare_function_start().
11029 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11031 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11032 longer allocate extra stack for function calls.
11034 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11036 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11038 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11040 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11042 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11044 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11045 * aix43.h: Revert Aug 2 change.
11046 (HAS_INIT_SECTION): Define, not visible yet.
11047 (LD_INIT_SWITCH): Define, not visible yet.
11048 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11050 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11052 * collect2.c (main): Expand ld2 size further.
11053 (export_object_lst): Cast assignment to avoid warning.
11054 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11055 (scan_prog_file, COFF): Do not collect initialization or
11056 finalization functions generated for entire shared object if
11057 init/fini support present.
11059 2000-01-07 Nick Clifton <nickc@cygnus.com>
11061 * config/elfos.h: Tidy up formatting of marcos. Make sure
11062 that .section directives are always prefixed by a tab.
11064 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11067 2000-01-07 Matt Austern <austern@sgi.com>
11069 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11072 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11074 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11076 (crtbegin.o, s-crtS): Likewise.
11078 2000-01-06 Richard Henderson <rth@cygnus.com>
11080 * alpha.md (adddi_2+1): Limit offset such that it will be
11081 loadable with a single ldah+lda pair.
11082 (adddi_2+2): Explicitly fail split if we can't make it work.
11084 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11086 * protoize.c: Conditionally include unistd.h.
11087 (IS_SAME_PATH_CHAR): New macro.
11088 (IS_SAME_PATH): New macro.
11089 (CPLUS_FILE_SUFFIX): New macro.
11090 (cplus_suffix): New static variable.
11091 (is_abspath): New static function.
11092 (in_system_include_dir): Handle DOS style pathnames.
11093 (file_could_be_converted): Likewise.
11094 (file_normally_convertible): Likewise.
11095 (directory_specified_p): Likewise.
11096 (file_excluded_p): Likewise.
11097 (abspath): Likewise.
11098 (shortpath): Likewise.
11099 (referenced_file_is_newer): Likewise.
11100 (save_def_or_dec): Likewise.
11101 (do_processing): Likewise.
11103 (edit_file): Likewise. Use rename instead of link.
11104 (rename_c_file): Likewise. Don't rename syscalls file.
11105 (munge_compile_params): Define null device for DOS based systems.
11106 (process_aux_info_file): Use binary mode if appliable.
11107 (edit_file): Likewise.
11108 * invoke.texi (Running Protoize): Document C++ suffixes used.
11110 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11111 IS_DIR_SEPARATOR macros.
11112 * collect2.c: Likewise.
11113 * cppinit.c: Likewise.
11114 * dwarf2out.c: Likewise.
11116 * gcov.c: Likewise.
11117 * prefix.c: Likewise.
11119 * toplev.c: Likewise.
11120 * system.h: And move to here.
11122 * prefix.c (update_path): Fix typo in variable name.
11124 2000-01-06 Richard Henderson <rth@cygnus.com>
11126 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11127 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11128 (count_reg_sets_1, count_reg_references): Likewise.
11129 (flow_loops_level_compute): Start counting actual loop depth at 1.
11130 (flow_loops_find): Likewise.
11131 * local-alloc.c (update_equiv_regs): Likewise.
11132 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11134 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11136 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11137 FIRST_PSEUDO_REGISTER
11138 * dwarf2out.c: Don't include frame.h
11139 * dwarfout.c: Likewise
11140 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11143 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11145 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11148 * i386.c (movsf splitter): Fix typo in my last checkin.
11150 2000-01-05 Nick Clifton <nickc@cygnus.com>
11152 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11153 own definition of this macro.
11154 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11155 flag_data_sections or UNIQUE_SECTION_P are true.
11157 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11158 unitialised data decls.
11160 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11161 being called for uninitialised data.
11163 * config/i386/interix.c (i386_pe_unique_section): Cope with
11164 being called for uninitialised data.
11166 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11167 for uninitialised data.
11169 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11170 for uninitialised data.
11172 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11173 for uninitialised data.
11175 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11176 (UNIQUE_SECTION_P): Always generate a unique section if
11177 flag_data_sections is true.
11178 (UNIQUE_SECTION): Also generate unique sections for
11179 uninitialised data.
11180 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11181 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11184 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11186 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11189 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11191 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11192 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11193 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11194 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11195 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11197 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11199 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11201 * c-decl.c (finish_enum): Simplify code to determine minimum and
11202 maximum values of the enum, and calculate the type. Remove check
11203 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11204 the DECL_INITIAL of each enumeration constant with a copy converted
11205 to the enumeration type. When updating variant types, don't bother
11206 updating the type itself.
11208 * c-typeck.c (build_binary_op): Simplify conditional expressions
11209 when weeding out spurious signed-unsigned warnings. Add new
11210 spurious warning category: if the unsigned quantity is an enum
11211 and its maximum value fits in signed_type(result_type). Update
11213 (build_conditional_expr): Warn here if one alternative is signed
11214 and the other is unsigned.
11216 2000-01-05 Nick Clifton <nickc@cygnus.com>
11218 * config/fr30/fr30.h: Remove extraneous comments.
11220 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11222 * reload1.c (choose_reload_regs): When disabling a reload, also
11223 set reload_spill_index to -1.
11225 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11227 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11229 (m68*-*-rtemself*): New target.
11230 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11231 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11232 (sparc*-*-rtemself*): New target.
11233 (sparc*-*-rtems*): Now elf not a.out.
11234 * config/i386/rtems.h: Include config/rtems.h.
11235 * config/i386/rtemself.h: Include config/rtems.h.
11236 * config/i960/rtems.h: Include config/rtems.h.
11237 * config/m68k/rtems.h: Include config/rtems.h.
11238 * config/m68k/rtemself.h: Include config/rtems.h.
11239 * config/mips/rtems64.h: Include config/rtems.h.
11240 * config/pa/rtems.h: Include config/rtems.h.
11241 * config/rs6000/rtems.h: Include config/rtems.h.
11242 * config/sh/rtems.h: Include config/rtems.h.
11243 * config/sh/rtemself.h: Include config/rtems.h.
11244 * config/sparc/rtems.h: Include config/rtems.h.
11245 * config/sparc/rtemself.h: Include config/rtems.h
11247 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11249 * final.c (shorten_branches): Correctly compute length of
11250 asms without operands.
11252 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11254 * configure.in: Add pj target.
11255 * configure: Regenerate.
11256 * config/pj: New directory.
11257 * config/pj/lib1funcs.S: New file.
11258 * config/pj/linux.h: New file.
11259 * config/pj/pj.c: New file.
11260 * config/pj/pj.md: New file.
11261 * config/pj/pjl.h: New file.
11262 * config/pj/t-pj: New file.
11263 * config/pj/xm-pj.h: New file
11265 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11267 * toplev.c (rest_of_compilation): Run shorten-branches before
11270 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11272 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11273 macros so that they're consistent with their names.
11274 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11275 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11277 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11279 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11280 modified inadvertently.
11282 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11284 * configure.in (v850*-*-rtems*): New target.
11285 * configure: Regenerate.
11286 * config/v850/rtems.h: New file.
11288 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11290 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11291 (__gthread_key_create): Likewise.
11292 (__gthread_key_dtor): Likewise.
11293 (__gthread_once): Fix logic.
11294 (__gthread_key_delete): Cast away constness.
11296 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11297 * invoke.texi: Document.
11298 * i386/mingw32.h (CPP_SPEC): Use.
11299 (LIBGCC_SPEC): Likewise.
11300 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11302 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11304 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11305 (HANDLE_PRAGMA_PACK): Undefine.
11306 (SLOW_UNALIGNED_ACCESS): Define.
11308 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11310 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11311 to default definition.
11312 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11313 (store_fixed_bit_field): Call macro with word_mode and alignment.
11314 (extract_bit_field): Call macro with relevant mode and alignment.
11315 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11316 to default definition.
11317 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11319 (move_by_pieces_ninsns): Likewise.
11320 (clear_by_pieces): Likewise.
11321 (emit_push_insn): Likewise.
11322 (store_field): Call macro with relevant mode and alignment.
11323 (expand_expr): Likewise.
11324 (expand_expr_unaligned): Likewise.
11326 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11327 (SLOW_UNALIGNED_ACCESS): Define.
11328 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11329 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11330 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11331 (toc_section): Likewise and .toc pseudo-op.
11332 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11334 (TEXT_SECTION_ASM_OP): Likewise.
11335 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11338 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11339 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11340 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11341 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11342 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11344 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11346 * regclass.c: Revert my Jan 4 change to loop cost computation.
11348 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11350 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11353 2000-01-04 Stan Cox <scox@cygnus.com>
11355 * haifa-sched.c (build_control_flow): Change unreachable simple
11356 loop test to check if current block has only one predecessor.
11357 (find_rgns): Initialize degree. Use dest as degree index, not src.
11359 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11361 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11363 * calls.c (expand_call): Likewise for
11364 `old_stack_arg_under_construction'.
11366 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11368 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11371 * gcc.c (execute): Likewise for `ut' and `st'.
11373 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11375 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11377 * jump.c (jump_optimize_1): Likewise for `temp2'.
11379 * local-alloc.c (block_alloc): Likewise for `r1'.
11381 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11383 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11384 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11386 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11389 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11390 and `goal_earlyclobber'.
11392 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11394 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11396 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11398 * unroll.c (copy_loop_body): Likewise for `copy'.
11400 * varasm.c (output_constructor): Likewise for `byte'.
11402 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11404 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11405 all FP constants for constant->reg moves.
11406 (ix86_split_to_parts): Try to convert memory address into immediate
11407 when available in the constant pool.
11408 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11410 (LEGITIMATE_CONSTANT_P): Return 1.
11411 * i386.md (pushsf): New splitter to convert constant pool memory
11412 reference to immediate.
11413 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11416 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11418 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11419 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11420 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11421 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11422 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11424 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11426 * ginclude/stdbool.h: Support compilation as C++.
11428 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11430 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11432 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11434 * regclass.c (regclass): Properly compute loop_cost. Adjust
11437 * regclass.c: Fix minor whitespace problems.
11439 2000-01-03 Anthony Green <green@cygnus.com>
11441 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11442 Restore the pic register if required.
11444 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11446 * c-common.c (format_char_info): Update comment.
11447 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11448 was recognized. Emit warning for formats new in ISO C99 only
11449 if flag_isoc9x is not set.
11451 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11453 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11455 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11457 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11458 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11459 (make_compound_operation): Choose cheaper alternative between
11460 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11462 * regclass.c (op_costs): Remove global variable.
11463 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11464 (record_operand_costs): Break out from ...
11465 (scan_one_insn): ... here.
11466 (dump_regclass): Make dumps nicer.
11467 (regclass): Dump preferrences choosed and changes done during passes.
11469 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11471 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11473 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11475 * config/sparc/sparc.c (gen_df_reg): New function.
11476 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11477 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11478 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11479 movtf_cc_reg_sp64+1): Use it.
11481 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11483 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11484 copied LABEL_DECLs.
11486 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11488 * config/i386/i386.c (ix86_expand_unary_operator): Function
11489 definition made void.
11490 (ix86_expand_binary_operator): Update outdated preceding comment.
11491 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11494 * config/i386/i386.c (override_options): Fix option-name typo.
11496 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11498 * system.h (CEIL): Define.
11499 * builtins.c (CEIL): Remove.
11500 * expmed.c (CEIL): Likewise.
11501 * expr.c (CEIL): Likewise.
11502 * stor-layout.c (CEIL): Likewise.
11504 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11506 * expr.c (store_constructor_field): Fix typo introduced with last
11509 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11511 * tree.h (BINFO_N_BASETYPES): New macro.
11513 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11515 * expmed.c (emit_store_flag): Prevent losing a pending stack
11516 adjust the same way we prevent losing queued increments.
11518 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11520 * function.c (update_temp_slot_address): Handle case where sum of
11521 temporary address plus offset in register is a valid address.
11523 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11525 * genrecog.c (change_state) Corrected typo.
11527 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11529 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11530 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11531 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11533 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11535 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11536 case, expand GT comparisons correctly. Fix a comment before this
11539 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11541 * dwarfout.c: Include "frame.h"
11542 * dwarf2out.c: Likewise.
11543 * Makefile.in (dwarfout.o): Depend on frame.h
11544 (dwarf2out.o): Likewise.
11546 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11548 Restore i386 binary compatibility in Dwarf EH info.
11549 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11550 value of FIRST_PSEUDO_REGISTER.
11551 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11552 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11553 * dwarfout.c (output_reg_number): Ditto.
11554 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11555 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11557 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11559 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11560 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11561 (<hack>_RE_CT): not needed
11562 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11563 rewritten to scan the file text once only
11564 "template<..." test added
11565 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11566 (is_cxx_header): declaration added
11567 * fixinc/fixtests.c(is_cxx_header): removed
11568 (apply_fix_p_t): removed
11569 (double_slash_test): is_cxx_header is only called once now
11570 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11571 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11572 within the templates.
11573 The borken spelling of "broken" was fixed.
11574 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11575 The default level depends on FIXINC_DEBUG.
11577 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11579 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11580 Otherwise provide a declaration for atexit.
11581 (init_dummy): Make sure dummy call to atexit is nevertheless
11582 called with correct number of args.
11584 * frame.c: Update comments referring to other files.
11586 * libgcc2.c: Likewise.
11588 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11590 * cse.c (free_element, get_element): Remove unused prototypes.
11592 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11595 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11598 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11600 * configure.in,configure: case arm for mn10200-*-* now sets
11601 float_format=i32 so that float.h will correctly claim "double"
11602 to be 32 bits. Ran autoconf to generate configure from .in file.
11604 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11606 * pa.md (conditional zero): If op1 is a register, force it into
11607 the same register as op0.
11609 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11611 * tree.h (BINFO_BASETYPES): Improve documentation.
11613 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11615 * configure.in (--enable-checking): Use a more portable `for'
11618 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11620 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11621 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11623 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11626 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11627 Delete descriptions.
11629 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11630 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11631 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11632 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11633 xm-svr4.h: Remove all instances of sys_siglist handling.
11635 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11637 * config/sparc/sparc.md (cmp_zero_qi,
11638 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11639 cmp_zero_extendqidi2_andcc_set): New patterns.
11641 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11643 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11644 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11645 (fpgnulib.c, xfgnulib.c): Add rules.
11646 * m68k/t-mot3300-gas: Likewise.
11648 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11650 * configure.in: Avoid [[ by using test and changequote. Add
11651 changequote required by 1999-12-14 change.
11652 * configure: Rebuild.
11654 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11656 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11658 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11660 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11661 * flow.c (find_use_as_address): Likewise.
11662 * function.c (fixup_var_refs_1): Likewise.
11663 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11664 * jump.c (invert_exp, redirect_exp): Likewise.
11665 * loop.c (replace_call_address): Likewise.
11666 (count_nonfixed_reads): Likewise.
11667 * rtlanal.c (modified_between_p): Likewise.
11668 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11669 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11670 * unroll.c (remap_split_bivs): Likewise.
11672 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11674 * diagnostic.c (v_message_with_decl): Use .* format specifier
11675 instead of building the format specifier width manually.
11677 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11678 determining whether to provide a prototype. Remove the
11679 sys_siglist clause in the conditional.
11681 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11683 * fold-const.c (operand_equal_p): Use memcmp to compare string
11685 Suggested by D. J. Bernstein
11687 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11689 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11690 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11692 * config/mips/mips.h (TARGET_64BIT): Likewise.
11693 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11694 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11695 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11696 dsps. Give routines proper names if SI/DI modes are not used.
11697 * longlong.h: Use DWunion instead of DIunion.
11699 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11701 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11702 GC_CHECKING, GC_ALWAYS_COLLECT.
11703 * configure.in: Allow --enable-checking with an argument
11704 listing check modes to enable.
11705 * config.in, configure: Rebuilt.
11706 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11707 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11708 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11709 ENABLE_GC_ALWAYS_COLLECT.
11710 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11712 * tree.h, tree.c: Change ENABLE_CHECKING to
11713 ENABLE_TREE_CHECKING throughout.
11715 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11717 * fold-const.c (fold_truthop): Properly check for FP RHS.
11719 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11721 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11722 * toplev.c (note_deferral_of_defined_inline_function): New
11723 function, split out from ...
11724 (rest_of_compilation): ... here. Use it.
11726 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11728 * expr.c (store_constructor): Don't call clear_storage if size is
11731 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11733 * Makefile.in (toplev.o): Depend on loop.h.
11735 * dwarfout.c: Include tm_p.h.
11737 * emit-rtl.c (restore_emit_status): Mark parameter with
11740 * final.c (final_scan_insn): Likewise.
11742 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11743 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11744 flow_depth_first_order_compute, flow_loop_pre_header_find,
11745 flow_loop_tree_node_add, flow_loops_tree_build,
11746 flow_loop_level_compute, flow_loops_level_compute,
11747 flow_loop_outside_edge_p): Add prototypes.
11748 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11750 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11751 Mark with ATTRIBUTE_NORETURN.
11753 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11755 * local-alloc.c (no_conflict_p): Likewise.
11757 * loop.c (insert_bct): Hide definitions of variables with hidden
11759 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11761 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11762 with ATTRIBUTE_UNUSED.
11763 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11764 (reg_scan): Likewise.
11766 * reload.c (find_reloads): Remove unused variables `changed'.
11768 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11770 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11771 Remove unused variable `insn'.
11773 * toplev.c: Include loop.h.
11774 (report_file_and_line): Remove unnecessary prototype.
11776 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11778 * unroll.c (biv_total_increment): Likewise.
11780 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11782 * reload1.c (emit_input_reload_insns): Restore old behaviour
11783 wrt. 'special' reloads.
11785 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11787 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11788 hash.h. (cse.c): Don't depend on hashtab.h.
11790 * cse.c: Don't include hashtab.h.
11791 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11793 * ggc-simple.c: Don't include hash.h.
11795 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11797 * dwarf2out.c (add_abstract_origin_attribute): Call
11798 gen_abstract_function on our function context.
11800 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11802 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11804 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11806 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11809 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11811 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11812 constraints to "a!r".
11814 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11816 * Makefile.in (calls.o): Depend on function.h.
11817 (alias.o): Likewise.
11819 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11821 * reload1.c (emit_reload_insns): Break out code and variables into...
11822 (input_reload_insns, other_input_address_reload_insns,
11823 other_input_reload_insns, input_address_reload_insns,
11824 inpaddr_address_reload_insns, output_reload_insns,
11825 output_address_reload_insns, outaddr_address_reload_insns,
11826 operand_reload_insns, other_operand_reload_insns,
11827 other_output_reload_insns): ... new static variables, and...
11828 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11829 do_output_reload): ... new functions.
11831 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11833 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11835 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11837 * md.texi: Add c4x constraints documentation.
11839 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11841 * config/i386/dgux.c (struct option): Rename to
11842 lang_independent_option.
11843 (struct m_options): Add description field.
11844 (output_options): Rename option type, add sep declaration, output
11845 ix86_cpu_string and ix86_arch_string only if set.
11846 (output_file_start): Rename option type.
11848 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11850 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11852 (libgcc2.a): Similarly.
11854 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11856 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11857 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11858 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11860 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11862 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11863 Remove redundant initialization of "frexpon" and "expon".
11865 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11867 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11869 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11870 (store_constructor_field, expand_expr): Pass new arg.
11872 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11874 * Makefile.in (explow.o): Depend on function.h.
11876 * stor-layout.c (set_sizetype): Fix typo.
11878 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11880 * function.c (cfun): Renamed from current_function. All users
11882 * function.h (cfun): Rename declaration as well.
11884 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11885 to be of type regset_head, not regset. All users changed by adding
11887 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11889 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11891 * config/c4x/rtems.h: New file.
11893 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11895 * reload1.c (spill_failure): Take class of failed reload as argument
11896 and print it. Caller changed.
11898 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11900 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11901 (TARGET_SWITCHES): Allow subtargets to default switches.
11902 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11904 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11906 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11909 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11911 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11912 * cppinit.c (cpp_handle_option): Likewise.
11914 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11915 determine when to define.
11917 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11919 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11920 cmove with mismatched test and data modes.
11922 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11924 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11927 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11929 * alias.c: Minor reformatting.
11930 * flow.c: Likewise.
11931 * regs.h: Likewise.
11932 * stor-layout.c: Likewise.
11933 * fold-const.c: Likewise.
11934 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
11935 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
11937 (size_int_wide): Cache nodes even if garbage collecting.
11938 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
11939 of SAVE_EXPR has no side effects.
11940 * cse.c: Move a comment.
11941 * tree.c: Minor reformatting.
11942 (int_size_in_bytes): Return -1 if constant overflows.
11944 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11946 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
11948 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
11950 * objc/objc-parse.c: Regenerate. This file must be rebuilt
11951 after any change to c-parse.in, even if objc-parse.y didn't
11954 1999-12-18 David S. Miller <davem@redhat.com>
11956 * toplev.c (rest_of_compilation): Restore BLOCK tree
11957 reconstruction and branch shortening changes lost in
11958 December 18th change.
11960 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
11962 * config/arm/linux-elf.h: Change all instances of
11963 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
11964 * config/arm/uclinux-elf.h: Likewise.
11966 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
11968 * toplev.c (notice, vmessage, v_message_with_file_and_line,
11969 v_message_with_decl, file_and_line_for_asm,
11970 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
11971 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
11972 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
11973 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
11974 pfatal_with_name, fatal_io_error, need_error_newline,
11975 last_error_function, last_error_tick, announce_function,
11976 default_print_error_function, print_error_function,
11977 report_error_function, fnotice, error_with_file_and_line,
11978 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
11979 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
11980 warning_with_decl, warning_for_asm, warning, pedwarn,
11981 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
11983 (compile_file): Use fnotice instead of notice. Adjust call.
11985 * diagnostic.c: New file.
11987 * Makefile.in (OBJS): Include diagnostic.o
11988 (diagnostic.o): Define dependence.
11990 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11992 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
11995 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11997 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
11999 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12001 * fixtests.c (is_cxx_header): New fn, split out of
12003 (else_endif_label): Allow "#endif // comment" in C++ headers,
12004 as determined by is_cxx_header.
12005 * fixfixes.c (else_endif_label_fix): Update comment.
12006 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12008 * genfixes: Correct double thinko in commandline parsing.
12009 * hackshell.tpl: Generate correct sh syntax for bypass
12012 * inclhack.def (all): Whenever an inserted preprocessor
12013 conditional is split over multiple lines, use double
12014 backslashes in this file so the fixed header will be readable.
12016 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12017 and add bypass entry for correct version of this header.
12018 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12019 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12021 (hpux8_bogus_inlines): New fix, split from...
12022 (ultrix_atof_param) ... here.
12023 (math_expression): Add bypass entry keyed to glibc comment
12024 indicating the problem has been dealt with; disable
12025 unnecessary sed operations; update commentary.
12026 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12027 add select and bypass entries, simplify shell operation.
12028 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12030 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12031 ultrix_atof_param): Add select entry.
12032 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12033 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12034 comments with the fixes they describe.
12036 * c-parse.in (string action): Do not warn about ANSI string
12037 concatenation in system headers. Affects C parser only.
12038 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12040 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12042 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12043 compiling libgcc2 the macro depends always on arch cpp defines.
12045 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12047 * loop.c (insert_loop_mem): Don't record MEMs from inside
12050 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12052 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12054 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12055 notes too, create one when replacement failed, attempt to simplify
12057 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12058 or REG_EQUIV notes.
12060 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12062 * crtstuff.c (__dso_handle): Declare.
12063 (__cxa_finalize): Likewise.
12064 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12067 * invoke.texi: Document -fuse-cxa-atexit.
12069 * tree.h (ptr_type_node): Document.
12070 (const_ptr_type_node): Likewise.
12072 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12074 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12075 (optimize_reg_copy_2): Likewise.
12076 (optimize_reg_copy_3): Likewise.
12077 (fixup_match_2): Likewise.
12078 (regmove_optimize): Likewise.
12079 (fixup_match_1): Liekwise.
12081 * i386.md (HI to SImode promoting splitters): Rewrite.
12082 (pushsf mem peep2): New.
12083 (testhi to andhi peep2): Remove.
12084 * i386.h (x86_promote_QImode): New.
12085 (TARGET_PROMOTE_QImode): New.
12086 (PREDICATE_CODES): Add promotable_binary_operator.
12087 * i386.c (x86_promote_QImode0: New.
12088 (promotable_binary_operator): New.
12089 * i386-protos.h (promotable_binary_operator): New.
12091 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12093 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12095 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12097 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12098 * function.c (insert_block_after_note): Remove.
12099 (retrofit_block): Likewise.
12100 (identify_blocks): Fix indentation.
12101 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12102 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12103 * function.h (insert_block_after_note): Remove prototype.
12104 (retrofit_block): Likewise.
12105 * integrate.c (expand_inline_function): Don't call
12106 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12107 just expand_start_bindings. Use the block_map to remap old
12108 NOTE_BLOCKs to new ones.
12109 (integrate_decl_tree): Keep track of remapped blocks.
12110 * integrate.h (struct inline_remap): Add block_map.
12111 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12112 NOTE_BLOCK on the notes.
12113 (expand_start_bindings): Rename to ...
12114 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12115 (expand_end_bindings): Set NOTE_BLOCK.
12116 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12117 reconstruct the BLOCK tree.
12118 * tree.h (expand_start_bindings): Macroize. Call ...
12119 (expand_start_bindings_and_block): New function.
12121 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12123 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12124 to match the format.
12126 1999-12-16 David S. Miller <davem@redhat.com>
12128 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12129 the outputs is a SUBREG.
12130 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12133 * config/sparc/sparc.c (epilogue_renumber): Add default case
12136 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12138 * toplev.c (rest_of_compilation): Run branch shortening after
12141 * regclass.c (loop_depth): Remove
12142 (scan_one_insn): Do not handle LOOP_NOTE insns.
12143 (regclass): Go through basic blocks and set loop_cost
12145 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12147 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12149 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12151 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12152 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12153 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12155 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12157 * loop.c (insert_loop_mem): Ignore memory clobbers.
12159 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12162 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12164 * profile.c: Remove redundant #include "output.h".
12166 * h8300.md (HImode preinc peephole): Fix typo.
12168 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12170 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12171 (insert_block_after_note): Abort if we don't have a previous block.
12172 Remove FN parameter.
12173 * function.h: Adjust.
12175 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12177 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12178 argument more than once.
12180 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12182 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12184 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12186 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12188 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12190 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12191 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12192 update stack_alignment_needed.
12193 (prepare_function_start): Initialize stack_alignment_needed
12194 * function.h (struct function): Add field stack_alignment_needed.
12196 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12198 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12199 Handle live_throughout / dead_or_set instead of live_before /
12201 (save_call_clobbered_regs): Get register livenessinformation from
12202 chain->live_throughout.
12203 (add_stored_regs): New function.
12204 (insert_restore, insert_save): Add restored / saved registers to
12206 * global.c (reg_dies): New parameter chain.
12207 (reg_becomes_live): Third parameter is regs_set now.
12208 Changed all callers.
12209 (reg_dies): New parameter chain. Changed all callers.
12210 (build_insn_chain): Set live_throughout instead of
12211 live_before / live_after.
12212 * reload.h (struct insn_chain): Replace members live_before /
12213 live_after with live_throughout / dead_or_set.
12214 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12215 instead of live_before / live_after.
12216 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12217 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12218 (choose_reload_regs_init): Likewise.
12219 * stupid.c (current_chain, find_clobbered_regs): Delete.
12220 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12221 instead of chain->live_before / chain->live_after.
12222 (mark_hard_ref): New function.
12223 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12225 1999-12-15 David S. Miller <davem@redhat.com>
12227 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12229 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12231 * flow.c (calculate_loop_depth): Make global, remove prototype,
12232 rewrite to use new loop infrastructure.
12233 (find_basic_block): Remove calculate_loop_depth call.
12234 * toplev.c (rest_of_compilation): Call find_basic_block.
12235 * output.h (calculate_loop_depth): Declare.
12237 * flow.c (dump_flow_info): Dump loop_depth.
12238 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12240 (flow_loops_find): Initialize the loop_depth for each basic block.
12242 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12244 * tree.c (decl_function_context): Handle virtual functions.
12246 * tlink.c (scan_linker_output): Don't look in demangled name when
12247 looking for linker output keywords.
12249 * dwarfout.c (output_type): We can defer namespace-scope classes.
12251 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12253 * regclass.c (record_reg_classes): Update comment for merging
12254 register class preferences in reg->reg copies. Tighten conditions
12255 for merging register class preferences in reg->reg copies.
12257 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12259 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12261 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12263 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12264 (INIT_SECTION_ASM_OP): Delete.
12265 (FINI_SECTION_ASM_OP): Delete.
12266 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12268 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12270 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12271 the abstract origin wasn't emitted.
12273 * dwarf2out.c (class_scope_p): New fn.
12274 (gen_subprogram_die): Use it.
12275 (gen_variable_die): Use it. Tweak logic.
12276 (gen_struct_or_union_type_die): Check context_die to determine
12277 if we're function-local.
12278 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12280 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12282 * loop.c (check_dbra_loop): Can't reverse a biv that has
12283 maybe_multiple set.
12285 1999-12-14 Nick Clifton <nickc@cygnus.com>
12287 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12290 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12292 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12293 for givs made from biv increments.
12295 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12297 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12298 * alpha.c (override_options): Recognize -mcpu=ev67.
12299 * alpha.h (CPP_CPU_EV67_SPEC): New.
12300 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12301 (EXTRA_SPECS): Update.
12303 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12305 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12306 appropriate for -lang-c89 and -std=*.
12307 * cppinit.c (cpp_handle_option): Likewise.
12308 (new_pending_define): New, split out from cpp_handle_option.
12309 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12310 or enable trigraphs for -ansi/-std=*.
12312 * ginclude/stdarg.h (__va_copy): New.
12313 (va_copy): Don't define for C89.
12315 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12317 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12318 for long long multiply-accumulate.
12320 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12322 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12323 optimizing for size.
12325 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12327 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12328 if something changed. Back out that part of yesterday's changes.
12330 * loop.c (loop_max_reg): New static variable.
12331 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12333 (scan_loop): Call reg_scan_update whenever we may have added new
12334 registers, and update loop_max_reg.
12336 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12338 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12339 when source does not die.
12341 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12343 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12345 * config/sparc/linux64.h (TARGET_LIVE_G0,
12346 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12348 * config/sparc/linux.h (TARGET_LIVE_G0,
12349 TARGET_BROKEN_SAVERESTORE): Likewise.
12350 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12351 TARGET_BROKEN_SAVERESTORE): Likewise.
12353 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12354 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12356 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12357 as sparc64 block profiling register.
12358 * config/sparc/sparc.c (sparc_override_options): Allow block
12359 profiling with -m32.
12360 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12361 profiling register.
12362 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12363 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12364 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12366 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12368 * config/sparc/sparc.h: Likewise.
12369 * config/sparc/xm-sysv4-64.h: Likewise.
12370 * config/float-sparc.h: Likewise.
12371 * glimits.h: Likewise.
12372 * longlong.h: Likewise.
12374 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12375 (ASM_IDENTIFY_GCC): Remove.
12377 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12379 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12380 (simplify_logical): Likewise.
12382 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12384 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12385 * cppfiles.c (INO_T_EQ): Likewise.
12387 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12389 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12390 * i386/mingw32.h (LIB_SPEC): Likewise.
12391 (STARTFILE_SPEC): Likewise.
12392 * i386/uwin.h (LIB_SPEC): Likewise.
12393 (STARTFILE_SPEC): Likewise.
12395 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12396 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12398 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12400 * combine.c (combine_simplify_rtx): Fix order of checks for
12401 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12403 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12405 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12406 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12408 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12410 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12412 * regclass.c (inv_reg_alloc_order): New array.
12413 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12415 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12416 counted_for_groups, counted_for_nongroups. Add fields rld and
12418 * reload.c (push_secondary_reload): Don't set nongroup field of
12420 (push_reload): Likewise.
12421 (find_reloads): Delete code to compute nongroup fields.
12422 * reload1.c (reload_insn_firstobj): New static variable.
12423 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12425 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12426 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12427 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12429 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12431 (struct hard_reg_n_uses): Deleted.
12432 (potential_reload_regs): Deleted.
12433 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12434 (reload): Don't try to allocate reload registers if we already know
12435 we have to make another pass. Call select_reload_regs. Free memory
12436 starting with reload_firstobj when starting another pass.
12437 Don't allocate spilled_pseudos.
12438 (calculate_needs_all_insns): Call copy_reloads for an insn that
12439 needs reloads; don't call calculate_needs.
12440 (spill_cost): New static array.
12441 (used_spill_regs_local): New static variable.
12442 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12443 to compute potential_reload_regs.
12444 (find_reload_regs): Completely rewritten to use find_reg.
12445 (allocate_reload_reg): Don't test counted_for_groups or
12446 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12447 all cllers changed.
12448 (choose_reload_regs): Add fallback code that uses the existing
12449 register allocation from find_reload_regs.
12451 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12453 * flow.c (create_edge_list): Cast xmalloc return value.
12455 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12457 * doprnt.c: Remove incorrect comment closure.
12459 * cse.c: Fix a few minor whitespace goofs.
12461 1999-12-13 Don Bowman <don@pixstream.com>
12463 * mips/vxworks.h: Fix problem with comment termination.
12464 (EXTRA_SECTIONS): Add in_sbss.
12465 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12467 1999-12-12 David S. Miller <davem@redhat.com>
12469 * cse.c (struct cse_reg_info): Add hash_next member,
12470 reorder rest of struct for better packing on 64-bit
12472 (cse_reg_info_tree): Kill.
12473 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12474 REGHASH_FN): New custom pow2 hash mechanism.
12476 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12477 use a pow2 hash table.
12478 (get_cse_reg_info): Rework to use new REGHASH.
12479 (new_basic_block): Likewise, use HASH_SIZE, and inline
12481 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12482 and inline free_element call.
12483 (lookup_as_function, insert, flush_hash_table, invalidate,
12484 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12485 invalidate_for_call, use_related_value, find_comparison_args,
12486 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12487 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12488 get_element): Kill.
12490 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12492 * cse.c (cse_basic_block): Free qty_table consistently.
12494 1999-12-12 David S. Miller <davem@redhat.com>
12495 Jakub Jelinek <jakub@redhat.com>
12497 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12498 SUBREGs by hand, gen the appropriate hard reg directly.
12499 (movtf reg/mem split): Likewise and alter_subreg on destination
12501 (movtf mem/reg split): Similarly.
12502 (movdf_cc_sp64): Rename from hidden pattern.
12503 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12504 (movtf_cc_sp64, following split): New pattern and splitter.
12505 (movdf_cc_reg_sp64): Rename from hidden pattern.
12506 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12508 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12510 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12512 * loop.c (load_mems): Don't hoist written floating point mem
12515 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12517 * except.h (struct eh_queue): Add `next' pointer.
12518 (struct eh_status): Make x_ehqueue a pointer.
12519 (push_ehqueue): Declare.
12520 (pop_ehqueue): Likewise.
12521 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12523 (expand_fixup_region_end): Likewise.
12524 (expand_leftover_cleanups): Likewise.
12525 (push_ehqueue): Define.
12526 (pop_ehqueue): Likewise.
12527 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12528 than doing it inline.
12529 (expand_start_all_catch): Adjust now that ehqueue is a
12531 (mark_eh_queue): Mark all level of the queue.
12532 (mark_eh_status): Adjust now that ehqueue is a
12534 (init_eh_for_function): Allocate ehqueue.
12535 (free_eh_status): Free it.
12536 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12537 expansion for a fixup.
12539 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12541 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12543 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12544 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12545 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12546 function_ptr, getpagesize, __enable_execute_stack,
12547 __enable_execute_stack, __clear_insn_cache,
12548 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12549 _cleanup, _exit, __default_terminate, __terminate_func,
12550 __terminate, __empty, __throw, new_eh_context,
12551 eh_context_initialize, eh_context_static, eh_context_specific,
12552 get_eh_context, __get_eh_context, __get_eh_info,
12553 init_reg_size_table, eh_threads_initialize,
12554 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12555 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12556 __pure_virtual): Add prototype arguments.
12557 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12558 Cast a signed value to unsigned long when comparing against one.
12559 (new_eh_context): Wrap in _GTHREADS macro.
12560 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12562 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12563 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12565 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12567 * combine.c (record_promoted_value): Remove unused variable
12570 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12572 * global.c (record_conflicts): Likewise for `j'.
12574 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12577 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12579 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12580 output_fp_compare): Constify a char*.
12582 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12584 (override_options, ix86_comp_type_attributes, print_operand,
12585 output_387_binary_op, output_fix_trunc, output_fp_compare):
12587 (ix86_sched_reorder): Mark parameter `clock_var' with
12590 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12592 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12594 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12595 operand, for use in the Java front-end.
12597 1999-12-10 Ben Collins <bcollins@debian.org>
12599 * configure.in: Fix typo for "-64" in 64bit as check.
12600 * configure: Rebuilt.
12602 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12604 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12607 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12609 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12610 concatenation is utilized.
12612 * invoke.texi (-Wtraditional): Document it.
12614 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12616 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12617 Cast a ptrdiff_t to long and pass it to printf with %ld.
12619 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12621 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12622 68881, we have no 68881 registers at all.
12623 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12624 value in a 68881 register if it is available.
12626 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12628 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12629 for long long multiply-accumulate.
12631 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12633 * loop.c (insert_loop_mem): Undo last change.
12635 1999-12-10 David S. Miller <davem@redhat.com>
12637 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12639 * config/sparc/sparc-protos.h: Add them.
12640 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12641 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12642 constraints which use those helpers.
12643 (EXTRA_CONSTRAINT): Use this new macro.
12644 * md.texi: Update sparc target constraints documentation.
12645 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12646 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12647 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12648 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12649 (movsf high/lo_sum split): Rework for new patterns.
12650 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12652 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12654 * c-common.c (c_common_nodes_and_builtins):
12655 Create __builtin_ptrdiff_t and __builtin_size_t.
12657 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12659 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12661 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12663 * regclass.c (globalize_reg): Re-instate test that allows
12664 fixed registers to be declared as a variable even after functions
12667 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12669 * i386.md (cpu attribute): Add "athlon".
12670 (athlon_decode): New attribute.
12671 (Athlon scheduling units definitions): New.
12672 (fcmp and shld patterns): Set athlon_decode to "vector".
12673 * i386.c (athlon_cost): New.
12675 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12676 x86_use_sahf): Set for Athlon.
12677 (x86_use_fiop): Unset for Athlon.
12678 (override_options): Define Athlon alignments and "athlon" name.
12679 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12680 * i386.h (TARGET_ATHLON): New.
12681 (enum processor_type): Add PROCESSOR_ATHLON.
12682 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12684 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12686 1999-12-09 Andreas Jaeger <aj@suse.de>
12688 * loop.c (record_biv): Declare parameter as int.
12690 * config/i386/i386-protos.h: Declare long_memory_operand.
12692 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12694 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12695 EXPR_WITH_FILE_LOCATION.
12697 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12699 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12702 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12704 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12707 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12709 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12710 default on linux64 again.
12711 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12712 models for multilibing.
12713 * genmultilib: Accept | as alternative separator within a set in
12716 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12718 * calls.c (precompute_arguments): Make sure initial_value contains
12719 value pseudo which CSE expects.
12720 * cse.c (struct set): New entry orig_src.
12721 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12724 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12726 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12728 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12730 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12732 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12734 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12735 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12737 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12740 * longlong.h: Merge in changes from glibc.
12741 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12742 -mno-app-regs libgcc can be compiled.
12743 * libgcc2.c: Add defines so that the updated longlong.h
12744 can be used in libgcc2.a. Also, make sure on most architectures
12745 (at least on all which have optimized code in longlong.h defined
12746 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12748 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12750 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12751 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12752 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12754 * configure: Rebuilt.
12756 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12758 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12759 outputs require a register.
12761 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12763 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12764 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12765 functions like dptoul will be resolved.
12766 (libgcc2.a): Make sure that the object files from DPBIT are named
12767 differently (prefix `_dp') from those that would be coming from
12770 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12772 * configure.in: When target is sparc* and tm_file contains 64,
12773 test for 64bit support in assembler. If not supported, remove
12774 sparc/t-sol2-64 from target-dependent Makefile fragments.
12775 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12776 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12777 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12778 * acconfig.h (AS_SPARC64_FLAG): Added.
12779 * configure, config.in: Rebuilt.
12780 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12781 support. Use AS_SPARC64_FLAG.
12783 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12785 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12786 suitable for holding OFmode values so that gcc works with complex
12788 (hard_64bit_mode_classes): Likewise.
12790 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12791 so that it is actually matched.
12792 (sethi_di_medlow): Likewise.
12794 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12795 as legitimate constant if -mvis.
12796 * config/sparc/sparc.md (movtf): Likewise.
12797 (clear_sf): Use const_double_operand.
12798 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12800 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12801 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12802 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12803 routines, _Qp_* cannot be handled like that now.
12804 (INIT_TARGET_OPTABS): Likewise.
12805 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12806 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12807 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12808 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12809 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12810 divtf3, sqrttf3): New expanders.
12811 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12812 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12813 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12816 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12817 * configure: Rebuilt.
12818 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12819 -mcpu is given and we're doing 64bit compiles.
12821 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12823 * loop.h (struct induction): Add multi_insn_incr.
12824 * loop.c (basic_induction_var): New multi_insn_incr argument.
12825 Set it if we search back through previous insns for the biv.
12826 (record_biv): New multi_insn_incr argument; fill in struct induction.
12827 (strength_reduce): Discard an iv with multiple bivs, any of
12828 which require multiple insns to increment.
12830 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12832 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12835 1999-12-06 David S. Miller <davem@redhat.com>
12837 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12838 PROMOTE_FUNCTION_RETURN.
12840 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12842 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12843 and handle REG_UNUSED note on insn.
12845 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12846 inner_mask instead of mask.
12848 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12850 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12851 zero if there was an error.
12853 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12855 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12858 * longlong.h: Fix clobbers in SPARC asm statements.
12860 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12861 valid sethi operations when TARGET_ARCH64.
12863 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12864 always use move_by_pieces to avoid infinite recursion.
12865 (restore_fixed_argument_area): Likewise.
12867 * combine.c (check_promoted_subreg, record_promoted_value): New
12869 (combine_instructions): Use them to retain nonzero and sign bit
12870 information after SUBREGs are eliminated by optimizations in
12871 this pass if PROMOTE_FUNCTION_RETURN.
12873 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12874 .register declaration. Don't use variables with __ prefixes.
12876 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12878 * fold-const.c (optimize_bit_field_compare): Only use one mode
12879 for both RHS and LHS in non-constant case.
12881 1999-12-06 Nathan Sidwell <nathan@acm.org>
12883 * frame.c (start_fde_sort): Only allocate erratic array, if
12884 linear one was allocated. Return allocated flag.
12885 (fde_insert): Only insert, if there's a valid array.
12886 (fde_end_sort): Split, sort and merge if linear and erratic
12887 arrays exist, else just sort linear one.
12888 (search_fdes): New function. Linear search through original fde
12890 (frame_init): Permit multiple initializations. Cope with
12892 (find_fde): Fallback on linear search, if failed to sort array.
12893 (__deregister_frame_info): Only free sorted array, if we
12896 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12898 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12900 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12902 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12904 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12906 * tree.h (special_function_p): Declare.
12907 * calls.c (special_function_p): Make it global. Don't take `name'
12908 as a parameter. Fix typo in 1999-11-28 change.
12909 (expand_cal): Adjust.
12911 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12913 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12914 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12915 EXPR_WFL_FILENAME_NODE.
12916 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12918 * print-tree.c (print_note): Print TREE_PRIVATE and
12921 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12922 the original die cannot be found.
12924 * varray.h (varray_head_tag): Add elements_used.
12925 (VARRAY_PUSH): New macro.
12926 (VARRAY_POP): Likewise.
12927 (VARRAY_TOP): Likewise.
12928 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12930 * varray.c (varray_init): Initialize elements_used.
12931 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12932 (INTEGRATE_H): New variable.
12933 (integrate.o): Depend on INTEGRATE_H.
12934 (unroll.o): Likewise.
12936 * function.h (insert_block_after_note): Declare.
12937 * function.c (insert_block_after_note): Split out from ...
12938 (retrofit_block): ... here.
12940 * stmt.c (expand_fixup): Fix typo in comment.
12942 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12944 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
12945 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
12946 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
12947 (regmove_optimize, fixup_match_1): Likewise.
12949 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12951 * flow.c (flow_loops_dump): Add missing argument when calling
12952 flow_loop_nested_p.
12954 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
12955 Greg McGary <gkm@gnu.org>
12957 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
12958 (init_attributes): Add A_NO_LIMIT_STACK.
12959 (decl_attributes): Handle A_NO_LIMIT_STACK.
12960 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
12961 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
12962 Handle stack bounds checking.
12963 * flags.h (flag_stack_check): Use the word 'probe' rather than
12964 'check', because the flag doesn't actually cause any checking to
12966 * function.c (expand_function_start): Set
12967 current_function_limit_stack.
12968 * function.h (struct function): Add limit_stack.
12969 (current_function_limit_stack): Define.
12970 * invoke.texi (Code Gen Options): Document new options.
12971 * rtl.h: Declare stack_limit_rtx.
12972 * toplev.c (stack_limit_rtx): New variable.
12973 (decode_f_option): Handle new options -fstack-limit-register=REG,
12974 -fstack-limit-symbol=IDENT, -fno-stack-limit.
12975 (main): Add stack_limit_rtx as GC root.
12976 * tree.h (DECL_NO_LIMIT_STACK): New macro.
12977 (struct tree_decl): New member no_limit_stack.
12979 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
12981 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
12982 (conditional_trap+1): Get new mnemonic correct.
12983 (conditional_trap+2): New pattern for DImode traps.
12985 * config/m68k/m68k.c (output_function_prologue): Handle
12987 * config/m68k/m68k.md (trap): New insn.
12988 (conditional_trap): New insn.
12989 * md.texi (Standard Names): Document `trap' and
12990 `conditional_trap'.
12991 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
12992 so a cc0 setter doesn't get emitted at some random place in the
12995 * config/i960/i960.md (trap): New insn.
12996 (conditional_trap): New expander.
12997 (conditional_trap+1, conditional_trap+2): New insns for signed
12998 and unsigned cases.
12999 * config/i960/i960.c (i960_function_prologue): Use
13000 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13002 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13003 Geoffrey Keating <geoffk@cygnus.com>
13005 * flags.h (warn_padded, warn_packed): Add global var decls.
13006 * toplev.c (warn_padded, warn_packed): Add global var defns.
13007 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13008 * stor-layout.c (layout_record): Add local variable `type'
13009 to hold often-used TREE_TYPE (field). Add local variable
13010 `unpacked_align' to hold alignment that would be in force
13011 if no `packed' attribute were present. Warn if `packed' attribute
13012 is unnecessary, or even harmful. Warn when gcc inserts padding
13013 to satisfy alignment requirements of members. Use NULL_TREE
13014 when checking whether var_size is set.
13015 * invoke.texi: Document new flags.
13017 1999-12-03 Nathan Sidwell <nathan@acm.org>
13019 * frame.c (fde_split): Reimplement to avoid variable sized array.
13021 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13023 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13024 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13026 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13028 * invoke.texi: Document the mips option -mno-crt0
13030 1999-12-02 Mike Karr <mkarr@mathworks.com>
13032 * cccp.c (argdata): Added free_ptr member.
13033 (macroexpand): Initialize free_ptr of each argument. When an
13034 argument's buffers are freed, if the argument's free_ptr corresponds
13035 to a buffer on the input stack, then return the free_ptr to that stack
13036 frame, otherwise, free it.
13037 (macarg): If an argument begins and ends on the same input stack level,
13038 then transfer the free_ptr of that buffer to the argument in case
13039 the stack is popped during the processing of a subsequent argument.
13041 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13043 * loop.c (note_reg_stored): New function.
13044 (struct note_reg_stored_arg): New structure.
13045 (try_copy_prop): Change to be more conservative; only replace within
13046 one extended basic block and stop replacing if a store to the
13047 replacement reg is seen.
13049 1999-12-02 Nick Clifton <nickc@cygnus.com>
13051 * config/fp-bit.c: Initialise all fields of the NAN
13054 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13057 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13059 * i386.md (extend?f?f2): Force the input into a register, not
13062 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13064 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13066 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13067 alternative because setting up 64bit constant is usually costly,
13068 especially when reload is in progress or completed.
13069 (movdf_const_intreg_sp64): Likewise.
13070 (movdf_const_intreg split): Fix building up constants when
13071 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13073 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13075 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13076 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13079 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13080 (asm_file_start): Emit .am33 into assembly file when compiling for
13082 (print_operand_address): Handle POST_INC addresses.
13083 (can_use_return_insn, initial_offset): Check AM33 registers too.
13084 (expand_prologue): Check & save AM33 registers too.
13085 (expand_epilogue): Similarly.
13086 (secondary_reload_class): Handle AM33 specific secondary reloads.
13087 (output_tst): Emit efficient code for the AM33 too.
13088 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13089 (TARGET_SWITCHES): Add -mam33 switch.
13090 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13091 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13092 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13093 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13094 (enum reg_class, REG_CLASS_NAMES): Likewise.
13095 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13096 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13097 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13098 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13099 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13100 (HAVE_POST_INCREMENT): Define.
13101 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13102 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13103 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13104 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13105 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13106 (zero_extend to SI from QI/HI): Likewise.
13107 (sign_extend to SI from QI/HI): Likewise.
13108 (mulsidi3, umulsidi3): New patterns for the AM33.
13109 (tstsi with zero extension from QI/HI): Add AM33 variants.
13110 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13111 (return_internal_regs, store_movm): Handle new AM33 registers.
13112 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13113 (LIBGCC, INSTALL_LIBGCC): Likewise.
13114 * invoke.texi: Document new flags.
13116 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13118 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13119 (addsi3_carry): Likewise.
13120 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13121 (sbbsi3_carry): Likewise.
13122 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13123 (mulhi3): Likewise.
13124 (test?i_1): Ensure that only one operand is memory.
13125 (conditional move patterns): likewise.
13126 (shift and rotate patterns): Rewrite to expander, add
13127 "binary_operator_ok" to the condition.
13129 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13130 * i386.h (procesor_costs): Add movzbl_load field.
13131 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13132 non-Q registers, accept DImode registers anywhere.
13134 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13135 * i386.c (*_cost): Set value for movxbl_load field.
13137 * (addsi): New add to lea splitter.
13138 (ashlsi): Likewise.
13139 (lea to add/shift peep2): New.
13141 1999-12-01 Mark Salter <msalter@cygnus.com>
13143 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13144 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13145 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13147 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13149 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13150 * i386.md (movsi_xor): New.
13152 (movsi_1, movhi_1, movqi_1): Remove.
13153 (movsi_2): Rename to movsi_1.
13154 (movhi_2): Rename to movhi_1.
13155 (movqi_2): Rename to movqi_1.
13156 (movdi_1): Remove; remove splitter.
13157 (movdi_2): Rename to movdi_1.
13158 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13159 (long move peep2): Do not create QI or HI mode mov0s
13160 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13162 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13165 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13166 (abs?f2_if): Likewise.
13168 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13170 * ggc.h (ggc_test_and_set_mark): New macro.
13171 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13172 (ggc_mark_tree): Likewise.
13173 (ggc_mark_rtvec): Likewise.
13174 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13176 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13178 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13180 (decl_scope_table): Just an array of trees now.
13181 (push_decl_scope): Simplify.
13182 (dwarf2out_init): Adjust.
13183 (local_scope_p): New fn.
13184 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13185 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13186 (gen_typedef_die): Likewise.
13187 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13188 (gen_inlined_subroutine_die): Likewise.
13189 (gen_abstract_function): Set current_function_decl temporarily.
13190 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13191 Handle block extern declarations. Don't call push/pop_decl_scope.
13192 (gen_decl_die): Fix logic for block externs.
13194 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13196 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13197 to the list of functions which have attribute malloc by default.
13199 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13201 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13202 integer constant does not match the traditional type, limit the
13203 warnings to cases where the base of the type is ten.
13205 * invoke.texi (-Wtraditional): Document it.
13207 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13209 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13210 * rs6000.md: Only access a CONST_INT with INTVAL
13212 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13214 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13215 (compute_nearerout): Likewise.
13216 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13217 size_t to unsigned long for formatting.
13219 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13221 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13222 Allow the user to override call-used/fixed state of %g2-5
13223 registers from the command line (with the exception of %g4 for
13225 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13226 there is a higher chance of having a leaf function.
13227 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13228 for ARCH64 which has %ccr register.
13229 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13231 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13232 insn accept into delay slot any insn which does not use %[ol]
13233 registers. Accept some LO_SUM and shift left by 1 for the normal
13235 (output_function_epilogue): Likewise.
13236 (epilogue_renumber): Added argument which inhibits any renumbering
13237 and just tests if the rtx does not use any %[ol] registers.
13238 (output_return): Reflect above change.
13240 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13242 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13243 aggregate passing for sizes <= 16 bytes.
13245 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13247 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13248 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13249 * reload.c (find_dummy_reload): Likewise.
13250 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13251 * reload1.c (reload_as_needed): Likewise.
13252 * stupid.c (stupid_find_reg): Likewise.
13253 * tm.texi (Obsolete Register Macros): Delete section.
13254 * gmicro.h: Remove all traces of the two macros.
13255 * i386.h: Likewise.
13256 * m88k.h: Likewise.
13257 * mips.h: Likewise.
13259 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13261 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13262 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13263 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13264 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13265 units for the sparclite86x chip.
13266 (flush): Revert October 14th change; add SImode specifically.
13267 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13268 * invoke.texi: Document it.
13270 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13272 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13273 psimode_truncation_operand.
13275 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13276 function. Return true if the operand is either a MEM valid
13277 for a PSImode address or not a MEM at all.
13279 * config/mn10200/mn10200.md (truncsipsi2): Use
13280 psimode_truncation_operand.
13282 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13284 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13285 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13286 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13287 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13288 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13289 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13290 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13291 * basic-block.h: Protect from multiple inclusion.
13292 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13293 (struct loops, struct loop): Define structures.
13294 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13295 * sbitmap.h: Protect from multiple inclusion.
13296 (sbitmap_a_subset_b_p): Add prototype.
13297 * Makefile.in (LOOP_H): New macro.
13298 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13300 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13302 * cppinit.c (CAT): The argument list of this macro may not contain
13305 1999-11-29 David S. Miller <davem@redhat.com>
13307 Move quantity tables and register equivalence chains into
13308 per-qty and per-register structure arrays respectively.
13309 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13310 qty_const_insn, qty_comparison_code, qty_comparison_const,
13311 qty_comparison_qty): Delete, replace with...
13312 (qty_table): this structure table.
13313 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13314 (reg_eqv_table): this structure table.
13315 (make_new_qty): Add argument MODE. Caller updated.
13316 Update to use qty_table and reg_eqv_table.
13317 (make_regs_eqv, delete_reg_equiv, insert_regs,
13318 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13319 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13320 cse_process_notes, cse_main, cse_basic_block): Likewise.
13322 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13324 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13325 operation if C is negative.
13326 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13327 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13328 law for some divisions if constant is negative and change other
13329 divisions to the opposite rounding.
13331 * expr.c (store_constructor_field): If bit position is not multiple
13332 of alignment of TARGET's mode, use BLKmode.
13334 * expr.c (expand_expr_unaligned): Add more code from full case
13335 that is needed when OP0 is in a register.
13337 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13339 * dwarfout.c (field_byte_offset): Size can be zero if there was
13342 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13344 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13345 (associate_trees): Delete unused var TEM.
13346 (extract_muldiv): Delete unused var CANCEL_P.
13348 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13349 (target_isinf, target_isnan, target_negative): Add return types to
13350 function definitions.
13352 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13354 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13355 * fixinc/hackshell.tpl: ditto
13356 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13357 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13359 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13361 * reload.c (push_reload): When looking for a register to put into
13362 reg_rtx, make sure all hard regs in a multi-reg register are in the
13363 right class and nonfixed.
13365 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13366 pending_read_insns, pending_write_insns, pending_read_mems,
13367 pending_write_mems, pending_list_length, last_pending_memory_flush,
13368 last_function_call, sched_before_next_call): Move static variables
13370 (bb_ prefixed versions): Replace with single array bb_deps.
13371 (struct deps): New structure.
13372 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13373 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13374 argument of type "struct deps *"; use that instead of global
13375 variables. All callers changed.
13376 (init_rgn_data_dependencies): Delete function.
13377 (init_rtx_vector): Delete function.
13378 (init_deps): New function.
13380 (free_pending_lists): Simplify, we always use the bb_deps array even
13381 if only one basic block.
13382 (compute_block_backward_dependences): Likewise.
13383 (schedule_region): Likewise.
13385 (propagate_deps): New function, broken out of
13386 compute_block_backward_dependences.
13387 (compute_block_backward_dependences): Use it.
13389 * alpha.md: Delete useless patterns that tried to work around
13390 register elimination problems.
13392 * unroll.c (loop_iterations): Don't abort if iteration variable
13395 From Joern Rennecke:
13396 * reload1.c (reloads_conflict): Reverse test comparing operand
13397 numbers when testing for conflict between output/outaddr reloads.
13399 1999-11-29 David S. Miller <davem@redhat.com>
13401 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13403 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13405 1999-11-28 Robert Lipe <robertl@cygnus.com>
13407 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13408 table from .fini into .dtor.
13410 1999-11-28 Anthony Green <green@cygnus.com>
13412 * tree.h (struct tree_decl): Add malloc_flag.
13413 (DECL_IS_MALLOC): Define.
13414 * c-common.c (attrs): Add A_MALLOC attribute.
13415 (init_attributes): Add this attribute to the table.
13416 (decl_attributes): Handle malloc attribute.
13417 * calls.c (special_function_p): Check for the malloc attribute.
13418 * extend.texi (Function Attributes): Document malloc attribute.
13420 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13422 * pa.md (reload shift-add patterns): Remove.
13424 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13426 * reorg.c (dbr_schedule) Print more statistics. Corrected
13427 problem when printing info when 3 delay slots are filled.
13429 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13431 * combine.c (setup_incoming_promotions): Pass an outgoing
13432 regno to FUNCTION_ARG_REGNO_P which it expects.
13434 1999-11-28 Andreas Jaeger <aj@suse.de>
13436 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13438 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13440 * cccp.c (do_include): Avoid initialization of automatic variable.
13442 * integrate.c (mark_stores): Function definition made void, to match
13443 previous declaration.
13444 * regclass.c (dump_regclass): Ditto.
13445 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13447 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13449 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13450 known to be multiple of divisor.
13452 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13454 * combine.c (try_combine): Add code to try to merge a set of a
13455 two-word pseudo to a constant with a setting of one of those words
13458 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13459 (split_tree): Completely rework to make more general.
13460 (make_range, fold): Call negate_expr.
13461 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13462 (fold, associate): Call new split_tree and associate_trees.
13463 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13465 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13467 * loop.c (try_copy_prop): Avoid GNU C extension.
13469 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13471 * except.c (init_eh_for_function): Still zero eh_return_context,
13472 eh_return_stack_adjust, and eh_return_handler.
13474 * except.h (eh_status): Adjust documentation for x_protect_list.
13475 (begin_protect_partials): New function.
13476 * except.c (enqueue_eh_entry): Fix formatting.
13477 (get_first_handler): Add consistency check.
13478 (add_partial_entry): Adjust usage of protect_list.
13479 (emit_cleanup_handler): Save and restore ehqueue.
13480 (expand_start_all_catch): Add comment.
13481 (begin_protect_partials): New function.
13482 (end_protect_partials): Adjust usage of protect_list.
13483 (init_eh_for_function): Use xcalloc.
13485 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13487 * c-common.c (check_format_info): Don't call a variadic function
13488 with a non-literal format string.
13490 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13492 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13493 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13496 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13499 * collect2.c (collect_wait): Likewise.
13501 * dbxout.c (dbxout_type): Likewise.
13503 * gcc.c (do_spec_1): Likewise.
13505 * genemit.c (gen_insn, gen_expand): Likewise.
13507 * genrecog.c (write_switch, write_subroutine): Likewise.
13509 * mips-tfile.c (catch_signal, botch): Likewise.
13511 * print-rtl.c (print_rtx): Likewise.
13513 * toplev.c (default_print_error_function, report_error_function,
13514 _fatal_insn): Likewise.
13516 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13518 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13520 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13522 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13523 operations when needed.
13524 * i386.md (fop_?f_comm): New.
13525 (fop_?f_1): Do not accept commutative operands.
13527 1999-11-25 Andreas Jaeger <aj@suse.de>
13529 * config/mips/mips.md (casesi_internal): Add missing brace.
13531 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13533 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13534 (splice_child_die): Handle moving a child DIE from the declaration
13535 DIE of a class to its specification.
13536 (gen_struct_or_union_type_die): Use 'complete' consistently.
13537 (gen_decl_die): Generate the virtual context DIE first.
13538 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13540 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13542 * config/mips/mips.md (call_value_multiple_interanal1): New.
13544 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13546 * dwarf2out.c (free_AT, free_die): New fns.
13547 (remove_children): Call them.
13548 (output_line_info): Disable removal of duplicate notes.
13550 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13551 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13552 means pretend the type isn't defined.
13553 Don't defer emitting types.
13554 (gen_type_die_for_member): New fn.
13555 (gen_decl_die): Call it.
13556 (splice_child_die): New fn.
13557 (gen_member_die): Call it rather than generate duplicate dies.
13559 Defer emitting information for the abstract instance of an inline
13560 until we either inline it or emit an out-of-line copy.
13561 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13562 from output_inline_function if DECL_ABSTRACT is also set.
13563 (block_ultimate_origin): Likewise.
13564 (gen_abstract_function): New fn.
13565 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13566 (gen_subprogram_die): An abstract instance is not a declaration
13567 just because it doesn't match current_function_decl. Don't abort
13568 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13569 has an abstract origin.
13570 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13571 abstract instance here.
13573 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13575 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13576 where we need to reload fpul from a system register.
13578 1999-11-24 Andreas Jaeger <aj@suse.de>
13580 * config/mips/linux.h (CPP_PREDEFINES): Added.
13581 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13583 1999-11-24 Andreas Jaeger <aj@suse.de>
13585 * config/mips/linux.h (TARGET_VERSION): Added.
13586 (HANDLE_SYSV_PRAGMA): Added.
13587 (DEFAULT_VTABLE_THUNKS): Added.
13589 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13591 * local-alloc.c (qty): New structure and static variable.
13592 (qty_phys_reg): Remove, all references changed to qty.
13593 (qty_n_refs): Likewise.
13594 (qty_min_class): Likewise.
13595 (qty_birth): Likewise.
13596 (qty_death): Likewise.
13597 (qty_size): Likewise.
13598 (qty_mode): Likewise.
13599 (qty_n_calls_crossed): Likewise.
13600 (qty_alternate_class): Likewise.
13601 (qty_changes_size): Likewise.
13602 (qty_first_reg): Likewise.
13603 (alloc_qty): Rename variable QTY to QTYNO.
13604 (finf_free_reg): Likewise.
13605 (local_alloc): Allocate qty, do not allocate the removed variables.
13607 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13609 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13610 when -membedded-pic is passed.
13612 * config/mips/mips.md (casesi): Handle 64-bit case too.
13613 (casesi_internal_di): New insn.
13615 * config/mips/mips.c (embedded_pic_offset): Always make the
13616 embedded-pic subtractions relative to the name of the current
13617 function by use of the magic string "..CURRENT_FUNCTION".
13618 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13620 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13622 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13623 of (const_int 0), when what we really care about is
13624 whether it's a zero constant anyway.
13625 (div_trap_mips16): Likewise.
13627 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13629 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13630 unroll_block_trees when generating debuggable code.
13632 * tree.h (unsave_expr_1): New function.
13633 (lang_unsave): New variable.
13634 (get_callee_fndecl): New function.
13635 * tree.c (unsave_expr_now_r): New function.
13636 (lang_unsave): Define.
13637 (unsave_expr_1): Likewise.
13638 (unsave_expr_now_r): Split out from unsave_expr_now.
13639 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13640 call unsave_expr_now_r.
13641 (get_callee_fndecl): Define.
13643 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13644 (gencheck.o): Do depend on lang_tree_files.
13646 * integrate.h (copy_decl_for_inlining): New declaration.
13647 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13648 (copy_decl_for_inlining): New function.
13649 (integrate_parm_decls): Use it.
13650 (integrate_decl_tree): Likewise.
13652 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13654 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13655 the second two from the first.
13656 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13657 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13658 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13660 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13661 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13664 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13666 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13667 needed on the address operand.
13668 * pa.c (call_operand_address): Check for the correct mode.
13670 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13672 * loop.c: Include "basic-block.h".
13673 (try_copy_prop, replace_loop_reg): New functions.
13674 (load_mems): Detect registers that just hold copies of the hoisted
13675 mem, and call try_copy_prop to eliminate them.
13676 * Makefile.in (loop.o): Update dependencies.
13678 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13680 * Makefile.in (gencheck.o): Depend on gencheck.h.
13681 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13682 (insn-peep.o): Depend on except.h and function.h.
13683 (insn-attrtab.o): Depend on RECOG_H.
13684 (insn-output.o): Depend on toplev.h and flags.h.
13685 (gengenrtl.o): Depend on real.h.
13686 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13687 Unify all dependencies to be on RECOG_H rather than recog.h.
13689 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13691 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13692 * configure.in: Try building a bi-arch 32/64-bit compiler on
13693 sparc-*-solaris2.7 and higher.
13694 * configure: Rebuild.
13696 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13698 * config/freebsd.h: New, FreeBSD architecture independent file.
13699 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13700 independent pieces.
13701 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13702 directly by i386/freebsd.h.
13703 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13704 independent configuration file.
13705 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13706 directly by i386/freebsd.h.
13707 * configure: Rebuilt.
13709 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13710 which is in the user's namespace.
13711 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13712 `i386' which is not in our namespace.
13714 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13716 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13718 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13720 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13721 (add_dwarf_attr, add_child_die): Just push onto the front.
13722 (reverse_die_lists): New fn.
13723 (add_sibling_attributes): Use it.
13724 (push_decl_scope): Reorganize.
13725 (add_name_and_src_coords_attributes): Don't set file and line for
13726 an artificial decl.
13727 (gen_subprogram_die): An artificial function doesn't need to match
13729 (gen_compile_unit_die): Return the generated die. Only add
13730 AT_comp_dir if the filename is relative.
13731 (remove_AT): Simplify loop. Also free string values.
13732 (output_die): A DIE ref can't be null.
13733 (output_value_format, value_format): Take a dw_attr_ref.
13734 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13735 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13736 AT_addr, AT_lbl): New fns.
13737 (various): Use them.
13738 (various): Constify.
13740 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13742 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13743 take SUBREG_WORD into account.
13744 (if_then_else_cond): Likewise.
13746 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13748 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13749 clause from BSD license, pursuant with
13751 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13753 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13755 * loop.c (load_mems): Reformat slightly.
13756 * basic-block.h (regset_head): New typedef.
13757 (INIT_REG_SET): New macro.
13759 1999-11-22 Bruce Korb <autogen@linuxbox.com
13761 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13762 (mips-dec-bsd*): non-functional code
13763 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13765 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13766 added three replacement fixes
13767 (no_double_slash): removed comments that are not (any longer) pertinent
13768 (bad_lval): this fix currently runs against many files.
13769 The comment seems to indicate that we should select for files
13770 containing 'pragma extern_prefix'.
13772 * fixinc/fixinc.x86-linux-gnu: deleted
13773 * fixinc/inclhack.sh: regen
13774 * fixinc/fixincl.x: regen
13775 * fixinc/fixincl.sh: regen
13777 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13779 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13780 its code is INSN and it has no notes.
13782 1999-11-22 Andrew Haley <aph@cygnus.com>
13784 * varasm.c (function_defined): Remove.
13785 (make_function_rtl): Don't set function_defined.
13786 (make_decl_rtl): Remove global register warning.
13787 * regclass.c (no_global_reg_vars): New variable.
13788 (globalize_reg): Warn if function has already been defined.
13789 (regclass_init): Set no_global_reg_vars.
13791 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13793 * regclass.c (reg_pref): New structure and static variable
13794 (prefclass): Delete.
13795 (altclass): Delete.
13796 (all uses of prefclass and altclass): Use reg_pref instead.
13798 1999-11-21 Nick Clifton <nickc@cygnus.com>
13800 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13802 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13803 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13804 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13806 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13808 * varasm.c (output_constructor): Solve problem with long long
13809 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13811 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13813 * global.c (allocno): New structure and static variable.
13814 (allocno_reg): Remove, all references replaced by allocno.
13815 (allocno_size): Likewise.
13816 (hard_reg_conflicts): Likewise.
13817 (hard_reg_preferences): Likewise.
13818 (hard_reg_copy_preferences): Likewise.
13819 (hard_reg_full_preferences): Likewise.
13820 (regs_someone_prefers): Likewise.
13821 (allocno_calls_crossed): Likewise.
13822 (allocno_n_refs): Likewise.
13823 (allocno_live_length): Likewise.
13824 (find_reg): Rename ALLOCNO to NUM.
13826 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13827 references updated.
13828 (may_move_out_cost): New variable.
13829 (init_reg_sets_1): Initialize may_move_out_cost.
13830 (record_reg_classes): Use may_move_out_cost.
13832 * regclass.c (dump_regclass): New function.
13833 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13834 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13835 pass rtl_dump_file to regclass.
13836 * rtl.h (regclass): Update prototype.
13838 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13840 * i386.md (neg, not and abs patterns): Revmap to use
13841 ix86_expand_unary_operator and ix86_unary_operator_ok.
13842 (add?f and sub?f expanders): Force operand 1 to register.
13843 * i386.c (ix86_expand_unary_operator): Rewrite.
13844 (ix86_unary_operator_ok): Ensure that memory operands
13846 (ix86_binary_operator_ok): Do not allow operand 1 to
13847 come into memory and operand 0 not.
13848 (ix86_expand_binary_operator): Ensure that
13849 src1 is not non-matching memory.
13851 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13852 to support integer registers and memory.
13853 (abss?2_integer): Likewise.
13855 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13856 (REG_CLASS_NAMES): Likewise.
13857 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13859 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13860 (movsf): Likewise; unify 4th and 5th alternative.
13861 (pushdf): Likewise.
13862 (movdf_1): Likewise; rename to movdf_integer.
13863 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13864 remove redundant splitter.
13865 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13866 (movdf_nointeger): New.
13867 (movxf_nointeger): New.
13868 (pushxf_nointeger): New.
13870 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13871 memory operands in patterns.
13872 (fop*): Refuse two memory operands.
13874 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13875 on !TARGET_USE_CLTD CPUs.
13877 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13879 * extend.texi: Document C++ restricted pointers and references.
13881 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13883 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13884 (invalidate_skipped_set): Call it unconditionally.
13885 (cse_set_around_loop): Likewise.
13887 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13889 * rtl.texi (mem): Add documentation for alias-set argument
13892 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13894 * i386.h (struct_processor_costs): New fields int_load, int_store,
13895 fp_move, fp_load and fp_store
13896 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13898 (MEMORY_MOVE_COST): New macro.
13899 * i386.c (386_cost): Define new fields.
13900 (i486_cost): Likewise.
13901 (pentium_cost): Likewise.
13902 (pentiumpro_cost): Likewise.
13903 (k6_cost): Likewise.
13905 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13906 Geoffrey Keating <geoffk@cygnus.com>
13908 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13910 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13913 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13914 (TARGET_STRICT_ALIGNMENT): New macro.
13915 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13916 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13917 * invoke.texi (M680x0 Options): Document -mstrict-align.
13919 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13920 Richard Henderson <rth@cygnus.com>
13922 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13923 (ix86_split_long_move): Declare.
13924 * i386.c (split_xf, ix86_split_movdi): Remove.
13925 (ix86_split_to_parts, ix86_split_long_move): New.
13926 * i386.md (dimode move splitters): Use ix86_split_long_move.
13927 (dfmode move splitters): Likewise.
13928 (xfmode move splitters): Likewise.
13929 (movsf_1): Allow F->r.
13930 (movdf_1, movxf_1): Allow F->ro.
13932 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13934 * except.h (struct eh_entry): Add goto_entry_p.
13935 (eh_region_from_symbol): Remove prototype.
13936 * except.c (find_func_region_from_symbol): New function.
13937 (emit_cleanup_handler): Likewise.
13938 (eh_region_from_symbol): Make it static.
13939 (add_new_handler): Verify the argument.
13940 (find_func_region): Update comment.
13941 (expand_eh_region_end): Expand handlers here, rater than waiting
13942 until expand_leftover_cleanups or start_all_catch.
13943 (expand_leftover_cleanups): Don't expand here.
13944 (expand_start_all_catch): Or here.
13945 (expand_rethrow): Check the return value from find_func_region.
13946 * function.c (expand_function_end): Emit the catch_clauses.
13948 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
13950 * integrate.c (expand_inline_function): Add necessary check for NULL.
13952 1999-11-18 Nick Clifton <nickc@cygnus.com>
13954 * toplev.c (main): Correctly detect an unrecognised option.
13956 * cppinit.c (cpp_handle_option): Do not claim to have consumed
13957 a -f option if it has not been recognised.
13959 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
13961 * basic-block.h (update_life_extent): Remove trailing comma on
13962 enumeration type list.
13964 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13966 * varasm.c (output_constructor) Solved problem with long long
13967 bitfields. Corrected calculating this_time and shift. Also
13968 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
13970 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
13972 * flow.c (split_edge): Take looping structure into account when
13973 determining where to put the new block note.
13975 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
13977 * Makefile.in (ggc-none.o): Provide host specific version if
13980 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
13982 * cse.c (delete_trivially_dead_insns): Identify no-op insns
13983 containing subregs too.
13985 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13987 * invoke.texi: Add documentation for -muninit-const-in-rodata.
13988 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
13989 (TARGET_UNINIT_CONST_IN_RODATA): Define.
13990 (text_section): Add switches -munint-const-in-rodata and
13991 -mno-uninit-const-in-rodata.
13992 (ASM_OUTPUT_COMMON): Remove.
13993 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
13994 const objects should be placed in read-only data. Otherwise declare
13997 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
13999 * jump.c (jump_optimize_1): Revert last change.
14001 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14003 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14004 test if optimizing for size.
14006 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14008 * Makefile.in (toplev.o): Depend on except.h.
14009 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14011 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14013 * i386.md (divmodsi4): Rewrite to expander.
14014 (*divmodsi4_nocltd): New.
14015 (*divmodsi4_cltd): New.
14016 (divmodsi4 splitter): Handle the case when input comes in edx.
14017 (udivmodhi4): Do not use constraints in exander.
14018 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14020 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14022 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14023 for the common case.
14025 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14027 * explow.c (hard_function_value): Add outgoing argument.
14028 * expr.h (hard_function_value): Declare it.
14029 * calls.c (expand_call, emit_library_call_value): Update callers.
14030 * function.c (aggregate_value_p): Ditto.
14031 (diddle_return_value): Must look at the outgoing registers
14032 on archs with register windows.
14034 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14036 * alpha.c (alpha_build_va_list): Use make_lang_type and
14037 initialize TYPE_NAME for the va_list record.
14039 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14041 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14043 * ggc.h (struct ggc_statistics): Rearrange elements for better
14044 packing on 64-bit hosts.
14045 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14046 (compute_nearerout): Likewise.
14048 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14050 * config/rs6000/rs6000.c (first_reg_to_save): Save
14051 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14053 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14055 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14056 notion of nesting to find the DIE for a type or function.
14057 DIEs can go in limbo even if we got a context_die.
14058 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14059 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14061 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14062 (gen_type_die): Writing out the context doesn't cause member class
14063 template instantiations to be written out as well.
14065 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14067 * rs6000.h (ASM_OUTPUT_DEF): New.
14068 Based on proposed addition from David Edelsohn.
14070 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14071 Bruce Korb <autogen@linuxbox.com>
14073 * fixinc/inclhack.def
14074 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14075 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14077 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14078 (svr4_endian): enabled with SVR5
14079 (svr4_mkdev): simplified syntax and enabled with SVR5
14081 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14083 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14084 * configure: Rebuilt.
14085 * config/t-freebsd-thread: New file.
14087 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14089 * i386.c (ix86_decompose_address): Verify the base is a REG
14090 before trying to examine its register number.
14092 * basic-block.h: Remove all #defines and prototypes related to
14094 (free_bb_mem, compute_preds_succs): Remove prototype.
14095 * rtl.h (free_bb_mem): Remove prototype.
14096 * flow.c (alloc_int_list_node); Remove function.
14097 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14098 (compute_preds_succs, free_bb_mem): Likewise.
14099 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14100 * toplev.c (rest_of_compilation): Likewise.
14101 * haifa-sched.c (build_control_flow): Use flow generated edge
14102 list to build the haifa specific edge list.
14103 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14104 (schedule_insns): Do not build pred/succ lists anymore. Instead
14105 build the edge table.
14107 * basic-block.h (dump_bb_data): Remove declaration.
14108 * flow.c (dump_bb_data): Remove function.
14109 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14110 (sbitmap_union_of_predsucc): Likewise.
14112 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14113 argument. All callers changed.
14114 (delete_null_pointer_checks_1): No longer need to compute the
14117 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14118 All callers changed.
14119 (pre_expr_reaches_here_p_work): Likewise.
14120 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14121 * lcm.c (compute_laterin): Fix initialization of LATER.
14122 (compute_nearerout): Similarly for NEARER.
14124 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14126 * cse.c (set_nonvarying_address_components): Delete unused function.
14127 (refers_to_p): Likewise.
14129 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14131 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14134 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14136 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14137 definition in do while (0).
14139 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14141 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14143 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14145 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14147 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14149 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14150 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14151 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14152 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14154 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14155 saved on the stack. Output more accurate stack frame statistics
14156 into assembler file.
14158 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14160 * genextract.c (record_insn_name): New function.
14161 (get_insn_name): No longer a stub.
14162 (main): Call record_insn_name for each insn. After each label
14163 written, print the insn name in a comment.
14165 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14167 * output.h (const_section, init_section, fini_section): Add
14170 * alpha/elf.h (const_section): Delete declaration.
14172 * svr4.h (const_section): Likewise.
14174 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14176 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14177 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14178 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14180 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14181 variable-sized array bounds.
14183 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14185 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14188 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14190 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14191 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14193 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14195 * cse.c (hash_arg_in_struct): Delete.
14196 (struct table_elt): Delete elt in_struct.
14197 (struct set): Delete elt src_in_struct.
14198 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14199 the corresponding in_struct elts.
14200 (canon_hash): Likewise.
14201 (safe_hash): Likewise.
14202 (find_best_addr): Likewise.
14203 (record_jump_cond): Likewise.
14204 (cse_insn): Likewise.
14206 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14208 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14210 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14213 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14215 * function.c (diddle_return_value): Put back check that the DECL_RTL
14216 for the function is a register.
14218 * function.c (diddle_return_value): Use hard_function_value to
14219 get an rtx suitable for use in the USE/CLOBBER insn.
14221 * global.c (global_conflicts): Update comments.
14222 (record_conflicts): No need to record conflicts between pseudos here.
14224 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14226 * fixinc/fixincl.c: Added verbose levels for status messages
14228 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14230 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14231 operand as argument to expand_and or expand_binop.
14233 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14235 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14236 gcc_add_string_root.
14238 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14240 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14242 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14244 * flow.c (compute_flow_dominators): Initially put all blocks on
14246 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14247 * gcse.c (compute_cprop_avinout): Remove.
14248 (compute_cprop_data): Use compute_available.
14249 (delete_null_pointer_checks_1): Use compute_available.
14251 * basic-block.h (compute_available): Returns a void now.
14252 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14253 to return a value anymore.
14254 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14255 worklists. Fix boundary cases. Compute maximal solutions.
14256 (compute_laterin, compute_nearerout): Similarly.
14258 * dwarf2out.c (add_AT_location_description): Allow
14259 (mem (plus (pseudo) (...)) too.
14261 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14263 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14265 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14266 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14268 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14270 * gansidecl.h: Likewise.
14276 * toplev.h: Likewise.
14278 * tree.c: Likewise.
14280 * tree.h: Likewise.
14282 * varray.c: Likewise.
14284 * varray.h: Likewise.
14286 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14288 * gcov.c (struct arcdata): Add hits and total, remove prob.
14289 (output_branch_counts): New.
14290 (process_args): Set output_branch_counts if -c.
14291 (calculate_branch_probs): Store hits and total instead of
14293 (output_data): Emit counts if output_branch_counts is true.
14294 * gcov.texi (Invoking Gcov): Document -c switch..
14296 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14298 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14299 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14301 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14303 * invoke.texi (C Dialect Options): Add missing builtins from
14304 c-common.c to list.
14305 * extend.texi (Other Builtins): Copy to this list.
14307 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14309 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14310 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14311 redundant bitmap.h.
14313 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14315 * flow.c (compute_flow_dominators): No longer treat basic block 0
14316 or (n_basic_blocks - 1) specially. Clear the AUX field before
14317 starting computation of doms/pdoms. Fix initial state for pdoms.
14319 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14321 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14322 match rtl.o's: added ggc.h and toplev.h
14323 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14324 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14325 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14327 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14329 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14330 from HAVE_DOS_BASED_FILESYSTEM.
14331 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14332 HAVE_DOS_BASED_FILESYSTEM.
14334 (split_directories): Only special-case DOS file names if
14335 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14336 instead of explicit tests. Conditionalize on !VMS.
14337 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14338 tests. Conditionalize on !VMS.
14339 (process_command): Only use make_relative_prefix if !VMS.
14340 (free_split_directories): Conditionalize on !VMS.
14341 (DIR_UP): Conditionalize on !VMS.
14343 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14345 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14347 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14349 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14352 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14354 * invoke.texi (Environment Variables): Document relative path
14356 * gcc.c (DIR_UP): If not defined, define as "..".
14357 (standard_bindir_prefix): New static, holds target location to
14359 (split_directories): New function to split a filename into
14360 component directories.
14361 (free_split_directories): New function, release memory allocated
14362 by split_directories.
14363 (make_relative_prefix): New function, make a relative pathname if
14364 the compiler is not in the expected location.
14365 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14366 can figure out an appropriate prefix from argv[0].
14367 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14368 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14369 STANDARD_BINDIR_PREFIX.
14371 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14373 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14375 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14376 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14377 c4x_secondary_memory_needed) Delete.
14378 (fp_zero_operand): Add mode argument.
14380 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14382 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14383 that is in reload_reg_used.
14385 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14387 * config/arm/arm-protos.h: New file: Prototypes for functions
14388 defined in arm.c and pe.c.
14389 * config/arm/arm.h: Fix compile time warnings.
14390 * config/arm/arm.c: Fix compile time warnings.
14391 * config/arm/pe.h: Fix compile time warnings.
14392 * config/arm/aout.h: Fix compile time warnings.
14394 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14396 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14399 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14400 Add support for subtargets.
14401 Add prototypes for new predicates.
14402 Add scheduling macros.
14404 * config/m32r/m32r.c: Fix compile time warnings.
14405 (int8_operand): New predicate function.
14406 (reg_or_cmp_int16_operand): New predicate function.
14407 (extend_operand): New predicate function.
14408 (m32r_adjust_code): New scheduling function.
14409 (m32r_adjust_priorty): New scheduling function.
14410 (m32r_sched_init): New scheduling function.
14411 (m32r_sched_reorder): New scheduling function.
14412 (m32r_sched_variable_issue): New scheduling function.
14413 (direct_return): New codegen function.
14414 (m32r_not_same_reg): New rtl testsing function.
14416 * config/m32r/m32r.md: Fix compile time warnings.
14417 Add support for pre decrement and post increment memory
14419 Add S<cc> patterns.
14422 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14424 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14425 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14426 (find_reg): Likewise.
14428 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14430 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14431 to avoid assembler errors.
14433 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14435 * config/v850/v850-protos.h: New file: Prototypes for functions
14437 * config/v850/v850.h: Move prototypes to v850-protos.h
14438 * config/v850/v850.c: Move prototypes to v850-protos.h
14439 * config/v850/v850.md: Fix compile time warnings.
14441 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14443 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14444 * config/fr30/fr30.c: Fix compile time warnings.
14445 * config/fr30/fr30.md: Fix compile time warnings.
14447 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14449 * tree.h (get_containing_scope): Declare it.
14450 * tree.c (get_containing_scope): New fucntion.
14451 (decl_function_context): Use it.
14452 * toplev.c (rest_of_compilation): Use get_containing_scope.
14454 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14456 * Makefile.in (rtl.o): Depend on toplev.h.
14458 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14460 * cse.c (delete_trivially_dead_insns): Replace alloca with
14462 * except.c (update_rethrow_references): Likewise.
14463 (init_eh_nesting_info): Likewise.
14464 * function.c (identify_blocks): Likewise.
14465 * gcse.c (dump_hash_table): Likewise.
14466 * graph.c (print_rtl_graph_with_bb): Likewise.
14467 * loop.c (combine_movables): Likewise.
14468 (move_movables): Likewise.
14469 (count_loop_regs_set): Likewise.
14470 (strength_reduce): Likewise.
14471 * profile.c (compute_branch_probabilities): New function, split
14473 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14474 * regclass.c (regclass): Likewise.
14475 * regmove.c (regmove_optimize): Likewise.
14476 * toplev.c (compile_file): Likewise.
14477 (main): Don't mess with the stack rlimit.
14479 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14481 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14482 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14484 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14486 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14488 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14490 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14491 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14494 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14496 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14498 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14500 * gcse.c (post_dominators): Kill.
14501 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14502 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14503 pass in a pdom array since we do not need pdoms.
14504 * haifa-sched.c (schedule_insns): Similarly.
14505 * flow.c (compute_dominators): Remove dead function.
14506 (compute_flow_dominators): Do not compute doms or pdoms if the
14507 caller does not request them. Split up loop to build doms and
14508 pdoms. Use a worklist to compute doms and pdoms.
14509 * basic-block.h (compute_dominators): Remove prototype.
14511 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14513 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14514 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14515 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14516 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14517 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14518 (schedule_region): Remove unused variable.
14519 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14521 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14523 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14524 (update_equiv_regs): Likewise.
14525 (block_alloc): Likewise.
14526 * reg-stack.c (reg_to_stack): Likewise.
14527 (convert_regs_2): Likewise.
14528 * reload1.c (reload_as_needed): Likewise.
14530 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14532 * Makefile.in (dbxout.o): Depend on ggc.h.
14533 (dwarf2out.o): Likewise.
14534 (xcoffout.o): Likewise.
14535 * dbxout.c: Include ggc.h.
14536 (dbxout_init): Register lastfile as a root.
14537 * dwarf2out.c: Include ggc.h.
14538 (dwarf2out_line): Register lastfile as a root.
14539 * xcoffout.c: Include ggc.h.
14540 (xcoffout_source_line): Register xcoff_lastfile as a root.
14542 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14544 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14546 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14548 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14550 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14552 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14554 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14555 (EXECUTE_IF_CONFLICT): Likewise.
14556 (ALLOCNO_LIVE_P): Avoid signed division.
14557 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14558 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14559 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14561 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14563 * haifa-sched.c (schedule_block): Don't crash if there's no
14564 next insn for an interblock movement.
14565 (add_branch_dependences): Don't allow clobber insns to move either.
14567 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14569 * i386.c (split_xf): New.
14570 * i386-protos.h: Declare it.
14571 * i386.md (movxf_1): Add general regs alternatives.
14572 (movxf_1+1): New splitter for same.
14574 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14576 * function.c (purge_addressof_1): Add missing return values.
14578 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14580 * function.c (is_addressof): New function. Returns true if
14581 the given piece of RTL is an ADDRESSOF.
14582 (purge_addressof_1): Make boolean. Return false if the
14583 ADDRESSOFs could not be purged.
14584 (purge_addressof): If ADDRESSOFs could not be purged from the
14585 notes attached to an insn, remove the offending note(s),
14586 unless they are attached to a libcall.
14588 1999-11-05 Andreas Jaeger <aj@suse.de>
14590 * genoutput.c (null_operand =): Initialize all fields.
14592 * errors.h: Add extern to prototypes.
14594 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14596 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14597 * configure: Rebuilt.
14599 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14601 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14602 (mirror_conflicts): New function.
14603 (global_alloc): Call it.
14604 (expand_preferences): Remove redundant CONFLICTP test.
14605 (find_reg, dump_conflicts): Likewise.
14606 (prune_preferences): Process conflicts one word at a time.
14608 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14610 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14611 instead of an explicit loop.
14613 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14615 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14616 if REG_RETVAL check succeeds, then put classp in src_elt.
14618 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14620 * function.c (pad_to_arg_alignment): Only update argument_pad
14621 if the argument's alignment is greater than STACK_BOUNDARY.
14623 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14625 * bitmap.h (BITMAP_XFREE): New.
14626 * flow.c (life_analysis): Use it.
14627 (life_analysis_1): Free blocks.
14629 * combine.c (undo_commit): New.
14630 (try_combine): Use it. Don't zap undobuf.undos.
14631 (combine_instructions): Don't zap undobuf.undos; free the
14632 undobuf.frees list.
14634 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14636 * stmt.c (cost_table_): New.
14637 (estimate_case_costs): Use it instead of xmalloc.
14639 * toplev.c (compile_file): Reuse dumpname memory instead
14642 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14644 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14645 after verifying an EH edge.
14647 * haifa-sched.c (init_rgn_data_dependences): Correctly
14648 size bb_pending_lists_length when zeroing.
14650 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14652 * function.c (diddle_return_value): New.
14653 (expand_function_end): Use it.
14654 * stmt.c (expand_null_return): Likewise.
14655 (expand_value_return): Likewise.
14657 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14659 * reload1.c (reload): Don't remove return value clobbers.
14661 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14663 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14665 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14667 * cse.c (cse_main): Use xmalloc, not alloca.
14668 (cse_basic_block): Likewise.
14669 * local-alloc.c (local_alloc): Likewise.
14671 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14672 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14674 * rtl.c: Include toplev.h.
14675 (fatal): Remove declaration.
14677 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14679 * haifa-sched.c (schedule_block): Fix thinko.
14681 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14683 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14684 S_IR* defined values
14686 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14688 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14689 call `malloc' instead.
14691 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14693 * flags.h (flag_renumber_insns): Declare.
14694 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14696 * rtl.h (renumber_insns): Change prototype.
14697 * toplev.c (flag_renumber_insns): Define.
14698 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14700 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14702 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14703 and fpsqrtd. Use them and create fdiv function unit to more
14704 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14705 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14707 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14709 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14711 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14712 insn into ready list, do not use just a raw swap.
14714 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14716 * rtl.h (renumber_insns): New function.
14717 (remove_unnecessary_notes): Likewise.
14718 * emit-rtl.c (renumber_insns): Define.
14719 (remove_unncessary_notes): Likewise.
14720 * toplev.c (rest_of_compilation): Remove dead code.
14721 Use renumber_insns and remove_unncessary_notes.
14723 * gcse.c (struct null_pointer_info): New type.
14724 (get_bitmap_width): New function.
14725 (current_block): Remove.
14726 (nonnull_local): Likewise.
14727 (nonnull_killed): Likewise.
14728 (invalidate_nonnull_info): Take a null_pointer_info as input.
14729 (delete_null_pointer_checks_1): New function.
14730 (delete_null_pointer_checks): Use it.
14732 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14733 (split_edges): Likewise.
14734 (schedule_block): Likewise.
14735 (compute_block_backward_dependencies): Likewise.
14736 (schedule_region): Likewise.
14737 (schedule_insns): Likewise.
14739 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14741 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14742 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14743 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14744 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14745 * jump.c (delete_unreferenced_labels): Don't delete if
14746 LABEL_ALTERNATE_NAME is set.
14747 * print-rtl.c (print_rtx): Dump alternate name.
14748 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14749 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14750 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14751 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14753 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14755 * fix-header.c (recognized_extern, recognized_function): Constify
14758 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14759 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14760 (compute_available): Remove unused variable `last'.
14761 (compute_nearerout): Remove unused variable `temp_bitmap'.
14762 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14763 Remove unused variable `x'.
14765 * scan.h (recognized_function, recognized_extern): Constify a
14768 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14770 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14772 * varasm.c (decode_rtx_const): Use XSTR to access the string
14775 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14777 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14779 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14781 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14783 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14785 * pa.c (ireg_operand): New function.
14786 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14787 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14788 Fix out of date comment.
14790 * pa.md (negdi2): Turn into expander + anonymous pattern.
14792 * reload.c (find_reloads): Fix typos in recent change.
14794 * dwarf2out.c: Do not include ctype.h.
14796 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14798 * regclass.c (record_reg_classes): Always use may_move_cost when
14799 seeing how operand fits with various register classes.
14801 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14803 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14804 * toplev.c: Revert Nov 1 13:22 change.
14806 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14808 * config/pa/pa.md (height reduction patterns): Add checks for
14809 overlapping operands to avoid semantic-destroying splits for
14810 height reduction patterns.
14812 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14814 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14815 have been an hyphen, fixed.
14816 * configure: Rebuilt.
14818 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14820 * config/arm/tpe.h: Add prototypes for exported functions.
14821 * config/arm/pe.c: Fix compile time warnings.
14822 * config/arm/semi.h: Fix compile time warnings.
14823 * config/arm/arm.c: Fix compile time warnings.
14824 * config/arm/arm.h: Fix compile time warnings.
14825 * config/arm/arm.md: Fix compile time warnings.
14826 * config/arm/thumb.c: Fix compile time warnings.
14827 * config/arm/thumb.h: Fix compile time warnings.
14828 * config/arm/thumb.md: Fix compile time warnings.
14830 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14832 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14835 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14836 completely unrolled.
14838 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14840 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14842 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14844 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14845 * rtl.h (rtx_equal_p): Move prototype.
14846 * rtl.c (rtx_equal_function_value_matters): Move from
14848 (rtx_equal_p): Likewise.
14849 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14850 (rtx_equal_p): Likewise.
14852 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14854 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14855 ! HAS_INIT_SECTION.
14857 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14859 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14861 * pa.h (ADDR_VEC_ALIGN): Define.
14863 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14864 notes when presented with "if (foo) break; end_of_loop" and
14865 the break sequence gets moved out of the loop.
14867 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14868 Remove explicit zero initializations of entries within MAP.
14870 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14872 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14874 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14876 * bitmap.h (BITMAP_XMALLOC): New macro.
14877 * flow.c (CLEAN_ALLOCA): Remove.
14878 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14879 (life_analysis): Likewise.
14880 (update_life_info): Don't use CLEAN_ALLOCA.
14881 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14882 (calculate_global_regs_live): Likewise.
14883 (print_rtl_with_bb): Likewise.
14884 (verify_flow_info): Likewise.
14885 * global.c (global_alloc): Likewise.
14886 (global_conflicts): Likewise.
14887 * integrate.c (save_for_inline_nocopy): Likewise.
14888 (expand_inline_function): Likewise.
14889 * jump.c (jump_optimize_1): Likewise.
14890 (duplicate_loop_exit_test): Likewise.
14891 (thread_jumps): Likewise.
14892 * loop.c (loop_optimize): Likewise.
14893 (combine_givs): Likewise.
14894 (recombine_givs): Likewise.
14895 * reorg.c (dbr_schedule): Likewise.
14896 * unroll.c (unroll_loop): Likewise.
14898 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14900 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14902 * toplev.c (rest_of_compilation): Don't optimize the CFG
14903 when rebuilding, just before dbr.
14905 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14907 * output.h (assemble_end_function, assemble_destructor,
14908 assemble_constructor, assemble_gc_entry, assemble_global,
14909 assemble_label, output_constant_pool) Constify a char*.
14911 * varasm.c (assemble_destructor, assemble_constructor,
14912 assemble_gc_entry, assemble_end_function, assemble_global,
14913 assemble_label, output_constant_pool): Likewise.
14915 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14917 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14918 explaining what is goin on in this function.
14920 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14922 * regclass.c (record_reg_classes): In matching case, recompute
14923 costs since the direction of movement is different.
14925 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14927 * resource.c (mark_target_live_regs): For unconditional branches,
14928 the resources found at the branch target should be added to the
14929 resources found so far, not intersected.
14931 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
14933 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
14935 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
14936 (sys/mman.h): Include this file only if #HAVE_MMAP.
14937 (run_compiles): Initialize `esac_fmt' with one old KR string, not
14938 with automatically concatenated ANSI strings.
14940 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
14942 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
14943 (DIV_ROUND_UP): Robustify.
14944 (ggc_recalculate_in_use_p): New function.
14945 (release_pages): Don't inline it.
14946 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
14948 (ggc_pop_context): Use ggc_recalculate_in_use_p.
14949 (clear_marks): Always save in_use_p.
14950 (sweep_pages): Use ggc_recalculate_in_use_p.
14951 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
14952 Release pages before counting statistics.
14954 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
14956 * toplev.c (rest_of_compilation): Fix thinko in this change:
14958 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14960 (rest_of_compilation): If inside an inlined external function,
14961 pretend we are just being declared.
14963 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
14965 * flow.c (calculate_global_regs_live): Fix thinko.
14967 * integrate.c (expand_inline_function): Fix bugs in previous
14968 change from Oct 28, 1999.
14970 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
14972 * stmt.c (expand_value_return): Fix typo in this change:
14974 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14975 (expand_value_return): Correctly convert VAL when promoting function
14976 return; support RETURN_REG being a PARALLEL.
14978 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
14980 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
14982 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14984 * hard-reg-set.h (reg_names): Constify a char*.
14986 * regclass.c (reg_names): Likewise.
14988 * regs.h (reg_names): Likewise
14990 * a29k/a29k.c (reg_names): Delete declaration.
14992 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
14994 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
14995 arc_output_function_epilogue): Likewise.
14997 * elxsi/elxsi.c (reg_names): Likewise.
14999 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15001 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15004 * m88k/m88k.c (output_function_profiler): Likewise.
15006 * sparc/sparc.c (sparc_flat_output_function_prologue,
15007 sparc_flat_output_function_epilogue): Likewise.
15009 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15011 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15012 warning from -Wuninitialized and put it under -W.
15013 * function.c (uninitialized_vars_warning): Warn only when the
15014 corresponding flag is set.
15016 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15018 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15019 is nonzero and the single set does not have an elt, then assign
15022 * simplify-rtx.c: New file.
15023 * Makefile.in (OBJS): Add simplify-rtx.o
15024 (simplify-rtx.o): Add dependencies.
15025 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15026 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15027 (cse_gen_binary, simplify_unary_operation): Delete.
15028 (simplify_binary_operation, simplify_plus_minus): Likewise.
15029 (check_fold_consts, simplify_relation_operation): Likewise.
15030 (simplify_ternary_operation): Likewise.
15031 (delete_trivially_dead_insns): Simplify the contents of the
15032 REG_EQUAL note before trying to substitute it into the source
15033 of the reg-reg copy at the end of a libcall sequence.
15035 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15036 references/callers changed.
15038 * mn10200.c (mn10200_va_arg): Force the return value into a
15041 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15043 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15046 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15048 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15050 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15052 * fold-const.c (fold): Fix thinko when optimizing comparisons
15055 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15057 * gcc.texi (Passes): Update front-end files to their current
15060 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15062 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15063 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15064 (PREDICATE_CODES): Add addition_operation.
15065 * alpha-protos.h (addition_operation): Declare.
15066 (secondary_reload_class): Likewise.
15067 * alpha.c (addition_operation): New.
15068 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15069 * alpha.md (adddi3): Turn into expander.
15070 (*lda, *adddi_2): New.
15071 (movsf, movdf patterns): Don't preference integer regs.
15072 (movsi, movdi patterns): Don't preference fp regs.
15074 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15076 * genrecog.c (write_switch): Check for duplicate CODE cases.
15078 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15080 * ggc-common.c: Update pre-function commentary.
15081 * ggc-page.c: Likewise.
15083 (poison_pages): Use memset directly.
15084 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15085 (ggc_collect): Poison before sweeping.
15086 * ggc-simple.c: Update pre-function commentary.
15087 (ggc_alloc_obj): Poison non-zeroed memory.
15089 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15091 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15092 match format string, even on 64-bit hosts.
15093 * gcc-page.c (ggc_page_print_statistics): Likewise.
15095 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15097 * config/i386/i386.c (ix86_cpu): Revert last patch.
15098 * config/i386/i386.h (ix86_cpu): Ditto.
15100 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15102 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15103 TYPE_SIZE, convert type of result to sizetype.
15105 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15107 * flow.c (count_or_remove_death_notes): Equate NULL with the
15110 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15111 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15114 * i386.c (pic_label_no): Delete.
15115 (ix86_attr_length_default): Don't use single_set to peek
15118 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15119 the first insn after bb->end.
15120 * i386.md (push mem peeps): Scratch is live after evaluation
15122 (cmp mem peep): Similarly.
15124 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15126 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15127 * function.c (pad_to_arg_alignment): Add missing braces.
15129 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15131 * alpha/alpha-protos.h (literal_section): Add prototype.
15132 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15135 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15137 (alpha_start_function, alpha_end_function, float_strings,
15138 alpha_need_linkage): Constify a char*
15140 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15142 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15144 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15146 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15148 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15150 * flow.c (debug_flow_info): Add prototype.
15152 * gcc.c (main): Likewise.
15154 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15157 * reload1.c (failed_reload, set_reload_reg): Likewise.
15159 * mips-tfile.c (main): Likewise.
15160 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15161 with ATTRIBUTE_NORETURN.
15163 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15165 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15166 DECL is not a memory ref.
15168 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15170 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15171 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15173 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15175 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15176 * config/mips/elf64.h: ditto.
15178 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15180 * expr.c (emit_push_insn): New argument alignment_pad.
15181 Update all callers. Adjust stack pointer based on alignment pad.
15182 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15183 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15184 (locate_and_pad_parm): New argument alignment_pad. Update all
15186 * expr.h (emit_push_insn): Update prototype.
15187 (locate_and_pad_parm): Update prototype.
15188 * calls.c (arg_data): Add new field alignment_pad.
15189 (initialize_argument_information): Initialize alignment_pad.
15191 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15193 * except.c (free_eh_nesting_info): Free the info itself.
15194 * function.c (free_after_compilation): Don't free NULL.
15195 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15196 (pre_edge_insert): Free inserted.
15197 * stmt.c (free_stmt_status): Don't free NULL.
15199 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15201 * gcov.c (DIR_SEPARATOR): Provide default.
15202 (output_data): Add test for MS-DOS format absolute filename.
15203 (fancy_abort): Correct program name.
15204 (open_files): Open all files in binary mode.
15205 * libgcc2.c (__bb_exit_func): Likewise.
15207 * profile.c (init_branch_prob): Specify binary when opening files.
15209 * flags.h (flag_unwind_tables): New decl.
15210 * toplev.c (flag_unwind_table): New definition.
15211 (f_options): Add -funwind-tables.
15212 (decode_g_option): Clarify warning when unknown -g option is given.
15213 (rest_of_compilation): If inside an inlined external function,
15214 pretend we are just being declared.
15216 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15217 (dwarf2out_frame_finish): Likewise.
15219 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15221 * fold-const.c (merge_ranges): If not in0, but in1, handle
15222 upper bounds equal like subset case.
15224 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15226 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15227 passed in a register but moved to the stack.
15229 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15231 * gcc.c (pass_exit_codes, greatest_status): New variables.
15232 (struct option_map): Add entry for "--pass-exit-codes".
15233 (execute): Update greatest_status if error.
15234 (display_help): Add documentation for -pass-exit-codes.
15235 (process_command): Handle -pass-exit-codes.
15236 (main): Look at pass_exit_codes and greatest_status on call to exit.
15238 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15240 * reload.c (find_reloads): Refine test for no input reload
15241 case to not includes reloads emitted after insn.
15243 * function.c (find_temp_slots_from_address): Handle sum involving
15244 a register that points to a temp slot.
15245 (update_temp_slot_address): Make recursive call if both old and
15246 new are PLUS with a common operand.
15247 * calls.c (expand_call): Mark temp slot for result as having
15250 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15252 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15253 component as well as "BINUTILS".
15255 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15256 * integrate.c (copy_rtx_and_substitute): Likewise.
15257 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15258 All callers changed.
15259 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15261 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15262 gdb extensions, write size of type; also be more consistent
15263 in using references when this is a subtype.
15265 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15266 that is out of range.
15268 * loop.c (unknown_constant_address_altered): New variable.
15269 (prescan_loop): Initialize it.
15270 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15271 (invariant_p, case MEM): Remove handling for volatile and readonly;
15272 check new variable if readonly.
15273 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15275 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15276 (addr_affects_sp_p): Removed from note_mem_written and only
15277 define #ifdef AUTO_INC_DEC.
15279 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15281 * regclass.c (record_reg_classes): Properly handle register move
15284 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15285 Don't think valid if both operands are invalid.
15286 (struct constant_descriptor): New field RTL.
15287 (mark_const_hash_entry): Mark it.
15288 (record_constant{,_rtx}): Initialize it.
15289 (output_constant_def): Allocate RTL in permanent obstack and
15291 ({record,compare}_constant_1): Modes must match for
15292 CONSTRUCTOR of ARRAY_TYPE.
15294 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15295 * output.h (initializer_constant_valid_p): Move decl to here.
15296 * c-common.c (initializer_constant_valid_p): Delete function from here.
15297 * varasm.c (initializer_constant_valid_p): Move function to here.
15299 * tree.h (STRIP_SIGN_NOPS): New macro.
15300 * fold-const.c (optimize_minmax_comparison): New function.
15301 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15302 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15303 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15304 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15305 widening conversions.
15306 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15307 to look at size of mode, not precision of type; also add missing cases.
15308 (optimize_bit_field_compare, decode_field_reference): Don't try to
15309 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15311 * dwarf2out.c (ctype.h): Include.
15312 (dwarf2out_set_demangle_name_func): New function.
15313 (size_of_line_info): Deleted.
15314 (output_line_info): Compute size of line info table from difference
15316 (base_type_die, add_name_attribute): Call demangle function, if any.
15317 (field_byte_offset): Use bits per word for variable length fields.
15318 (gen_array_type_die): Add array name.
15319 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15320 (dwarf2out_add_library_unit_info): New function.
15322 * explow.c (set_stack_check_libfunc): New function.
15323 (stack_check_libfunc): New static variable.
15324 (probe_stack_range): Allow front-end to set up a libfunc to call.
15326 * combine.c (simplify_comparison): When making comparison in wider
15327 mode, check for having commuted an AND and a SUBREG.
15328 (contains_muldiv): New function.
15329 (try_combine): Call it when dividing a PARALLEL.
15330 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15331 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15333 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15334 use one of the CLOBBERs instead.
15335 (if_then_else_cond): If comparing against zero, just return thing
15338 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15339 Don't generate shifts and subtract if have conditional arithmetic.
15341 * rtl.h (delete_barrier): New declaration.
15342 * jump.c (jump_optimize): Set up to handle conditional call.
15343 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15344 (delete_barrier): New function.
15346 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15348 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15350 * tree.c (build_type_attribute_variant): Push to obstack of
15351 ttype around type_hash_canon call.
15353 * expr.c (placeholder_list): Move decl to file scope.
15354 (expand_expr): Don't force access to volatile just because its
15356 If ignoring reference operations, just expand the operands.
15357 (expand_expr, case COMPONENT_REF): Propagate
15358 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15359 Refine test for using bitfield operations vs pointer punning.
15360 (expand_expr, case CONVERT_EXPR): If converting to
15361 BLKmode UNION_TYPE from BLKmode, just return inner object.
15362 Use proper mode in store_field call.
15363 Properly set sizes of object to store and total size in store_field
15364 call for convert to union.
15365 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15366 memory (like for ADDR_EXPR). Also, don't put constant in register if
15367 we'll want it in memory.
15368 (readonly_fields_p): New function.
15369 (expand_expr, case INDIRECT_REF): Call it if LHS.
15370 (expand_assignment): Handle a RESULT_DECL where
15371 DECL_RTL is a PARALLEL.
15372 (do_jump, case WITH_RECORD_EXPR): New case.
15373 (get_inner_reference): Always go inside a CONVERT_EXPR
15374 and NOP_EXPR if both modes are the same.
15375 (store_field): Use bitfield operations if size of bitsize is not same
15376 as size of RHS's type.
15377 Check for bitpos not a multiple of alignment in BLKmode case.
15378 Do block move in largest possible alignment.
15379 (store_constructor): Set BITSIZE to -1 for variable size and properly
15380 in case of array of BLKmode.
15381 (expand_expr_unaligned): New function.
15382 (do_compare_and_jump): Call it.
15384 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15385 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15386 does not include 'o'.
15388 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15389 both SET_DEST and SET_SRC reference a virtual register.
15390 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15392 * integrate.c (expand_inline_function): Handle case of setting
15393 virtual stack vars register (from built in setjmp); when parameter
15394 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15395 (subst_constant): Add new parm, MEMONLY.
15396 (expand_inline_function, integrate_parm_decls): Pass new parm.
15397 (integrate_decl_tree): Likewise.
15398 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15399 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15400 (copy_rtx_and_substitute, case SET): Add explicit calls to
15401 copy_rtx_and_substitute for both sides.
15403 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15405 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15406 within INDEX_TYPE, instead of before.
15407 (fixup_gotos): Use f->target_rtl, not the next insn,
15408 since latter may be from a later fixup.
15409 (expand_value_return): Correctly convert VAL when promoting function
15410 return; support RETURN_REG being a PARALLEL.
15411 (expand_return): When checking for result in regs and having
15412 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15414 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15416 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15417 last_nominal_fname): Mark const.
15418 (struct include_hash: name, nshort, control_macro): Mark
15420 (struct macrodef: symnam): Mark const.
15421 (struct if_stack: fname): Mark const.
15422 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15423 (IStable): New character-syntax array which encompasses all
15424 the old is_foo arrays.
15425 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15426 is_space): New macros for interrogating IStable.
15427 (check_macro_name): Kill last argument. All callers changed.
15429 * cppinit.c (initialize_char_syntax): Delete.
15430 (is_idchar, is_idstart, is_hor_space, is_space,
15431 trigraph_table): Delete.
15432 (IStable): New. Initialize with clever macros to avoid
15433 information duplication.
15434 (builtin_array): Table of builtins to get rid of explicit list
15435 in initialize_builtins.
15436 (initialize_builtins): Use builtins_array.
15437 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15438 opts->dollars_in_ident.
15440 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15442 (cpp_parse_expr): Avoid 'format string is not constant'
15443 warning. Use ISGRAPH to identify printable chars.
15444 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15446 (read_and_prescan): Map trigraphs to chars with open-coded
15447 if-else-if-... sequence, not a lookup table.
15448 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15450 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15451 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15452 (check_macro_name): Remove ability to report an invalid
15453 assertion name, which is never used.
15454 (do_line): Constify a couple of char *'s.
15455 * cppmain.c (main): Call cpp_cleanup before returning.
15457 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15459 * ggc.h (struct ggc_statistics): New type.
15460 (ggc_get_size): New function.
15461 (ggc_print_statistics): Likewise.
15462 * ggc-common.c (ggc_stats): New variable.
15463 (ggc_mark_rtx_children): Keep statistics.
15464 (ggc_mark_tree_children): Likewise.
15465 (ggc_print_statistics): New function.
15466 * ggc-page.c (struct globals): Add bytes_mapped field.
15467 (alloc_anon): Update it.
15468 (release_pages): Likewise.
15469 (ggc_get_size): New function.
15470 (ggc_page_print_statistics): New function.
15471 * ggc-simple.c (ggc_get_size): New function.
15473 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15475 * flow.c (propagate_block): When the last reference to a label
15476 before an ADDR_VEC is deleted because the reference is a dead
15477 store, delete the ADDR_VEC.
15479 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15481 * resource.c (find_free_register): Don't use the frame pointer
15482 if frame_pointer_needed.
15484 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15486 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15487 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15489 * config/i960/i960.c (i960_va_start): New locals base, num.
15490 Use INDIRECT_REF instead of ARRAY_REF on valist.
15491 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15493 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15495 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15497 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15499 * tree.def (PLACEHOLDER_EXPR): Update comments.
15501 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15503 * c-common.c (check_format_info): Avoid non-literal format string
15504 warnings when `first_arg_num' is zero.
15506 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15508 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15510 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15512 * arm.md (casesi_insn): Add a clobber of the condition code
15515 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15517 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15518 used by both cc1 and cc1plus.
15520 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15522 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15523 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15524 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15525 to the value 32 if it has not already been defined.
15526 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15527 Override definition in arm.h with a value of 8.
15529 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15531 * c-pragma.c (push_alignment): Don't check the return value
15534 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15536 * sparc.h (ADJUST_COST): Fix thinko.
15538 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15540 * cccp.c (rescan): Fixed obp pointer handling around call to
15541 check_expand subroutine.
15543 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15545 * gcse.c (delete_null_pointer_checks): Only record non-null info
15546 for pseudos when examining stores.
15548 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15549 splitters for these patterns. Use "#" for output templates.
15550 (addsi3_carryin_shift): New pattern.
15552 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15554 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15555 of the function return register into a plain REG until
15556 after function inlining is done.
15558 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15560 * jump.c (jump_optimize_1): If we did cross-jumping, and
15561 the data will matter, rebuild the CFG.
15562 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15563 not optimizing. Don't run shorten_branches.
15564 * toplev.c (rest_of_compilation): Run shorten_branches after
15567 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15569 * rtl.h (note_stores): Add additional paramter.
15570 * rtlanal.c (reg_set_p_1): Take additional paramter.
15571 (reg_set_last_1): Likewise.
15572 (reg_set_p): Adjust call to note_stores.
15573 (reg_set_last): Likewise.
15574 (note_stores): Pass data parameter to worker function.
15575 * alias.c (record_set): Take additional parameter.
15576 (init_alias_analysis): Pass it.
15577 * caller-save.c (mark_set_regs): Take additional parameter.
15578 (save_call_clobbered_regs): Pass NULL to note_stores.
15579 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15581 (record_dead_and_set_regs_1): Likewise.
15582 (reg_dead_at_p_1): Likewise.
15583 (combine_instructions): Adjust calls to note_stores.
15584 (try_combine): Likewise.
15585 (record_dead_insn): Remove.
15586 (record_dead_and_set_regs): Adjust calls to note_stores.
15587 (reg_dead_at_p): Likewise.
15588 * cse.c (invalidate_skipped_set): Take additional parameter.
15589 (cse_check_loop_start): Likewise.
15590 (cse_check_loop_start_value): Remove.
15591 (cse_set_around_loop): Adjust calls to note_stores.
15592 * flow.c (notice_stack_pointer_modification): Take additional
15593 parameter. Remove duplicate declaration.
15594 (record_volatile_insns): Adjust calls to note_stores.
15595 * gcse.c (record_set_info): Take additional parameter.
15596 (record_last_set_info): Likewise.
15597 (invalidate_nonnull_info): Likewise.
15598 (record_set_insn): Remove.
15599 (compute_sets): Adjust calls to note_stores.
15600 (last_set_insn): Remove.
15601 (compute_hash_table): Adjust calls to note_stores.
15602 (insert_insn_end_bb): Likewise.
15603 (delete_null_pointer_checks): Likewise.
15604 * global.c (mark_reg_store): Take additional parameter.
15605 (mark_reg_clobber): Likewise.
15606 (reg_becomes_live): Likewise.
15607 (global_conflicts): Adjust calls to note_stores.
15608 (build_insn_chain): Likewise.
15609 * integrate.c (note_modified_parmregs): Take additional parameter.
15610 (mark_stores): Likewise. Make it static.
15611 (save_for_inline_nocopy): Adjust calls to note_stores.
15612 (try_constants): Likewise.
15613 * integrate.h (mark_stores): Remove declaration.
15614 * jump.c (mark_modified_reg): Take additional parameter.
15615 (thread_jumps): Adjust calls to note_stores.
15616 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15618 (no_equiv): Likewise.
15619 (reg_is_set): Likewise.
15620 (validate_equiv_mem): Adjust calls to note_stores.
15621 (update_equiv_regs): Likewise.
15622 (block_alloc): Likewise.
15623 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15624 (note_addr_stored): Take additional parameter.
15625 (note_set_pseudo_multiple_uses): Likewise.
15626 (record_initial): Likewise.
15627 (prescan_loop): Adjust calls to note_stores.
15628 (strength_reduce): Likewise.
15629 (check_dbra_loop): Likewise.
15630 * regmove.c (flags_set_1): Take additional paramter.
15631 (mark_flags_life_zones): Adjust calls to note_stores.
15632 * reload1.c (mark_not_eliminable): Take additional parameter.
15633 (forget_old_reloads_1): Likewise.
15634 (reload_cse_invalidate_rtx): Likewise.
15635 (reload_cse_check_clobber): Likewise.
15636 (reload_combine_note_store): Likewise.
15637 (move2add_note_store): Likewise.
15638 (reload): Adjust calls to note_stores.
15639 (reload_as_needed): Likewise.
15640 (emit_reload_insns): Likewise.
15641 (reload_cse_regs_1): Likewise.
15642 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15643 (reload_combine): Adjust calls to note_stores.
15644 * resource.c (update_live_status): Take additional paramter.
15645 (mark_target_live_regs): Adjust calls to note_stores.
15646 * stupid.c (find_clobbered_regs): Take additional parameter.
15647 (stupid_life_analysis): Adjust calls to note_stores.
15649 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15651 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15654 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15657 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15658 of the variable arm_structure_size_boundary.
15660 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15662 * alias.c (init_alias_analysis): Allocate reg_known_value and
15663 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15665 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15666 * cse.c (cse_main): Call end_alias_analysis.
15667 * haifa-sched.c (schedule_insns): Likewise.
15668 * local-alloc. (update_equiv_regs): Likewise.
15669 * reload1.c (reload_cse_regs): Likewise.
15671 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15673 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15674 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15675 mapping from MASK_FPU.
15677 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15679 * sparc.md (call): Don't bound structure return size to 0xfff.
15681 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15683 * resource.c (mark_target_live_regs): Check that the target
15684 insn wasn't created after compute_bb_for_insn.
15686 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15688 * ggc-page.c (poison_pages): Don't be overzealous.
15690 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15692 * alias.c: Update comments for ADDRESS.
15693 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15694 it is a local memory reference.
15696 * c-typeck.c (build_function_call): Check that the built-in
15697 function is of class BUILT_IN_NORMAL before trying to recongize
15698 it as BUILT_IN_ABS.
15699 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15700 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15702 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15704 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15706 (pre_gcse): Likewise.
15707 (hoist_expr_reaches_here_p): Likewise.
15708 (hoist_code): Likewise.
15709 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15711 (pre_expr_reaches_here_p_work): ... here.
15712 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15714 (expr_reaches_here_p_work): ... here.
15716 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15718 * resource.c (find_basic_block): Delete.
15719 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15720 (init_resource_info): Call compute_bb_for_insn.
15722 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15724 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15725 with already adjacent blocks, but no fallthru.
15726 (merge_blocks_move_successor_nojumps): Simplify.
15727 (debug_flow_info): New.
15729 * toplev.c (rest_of_compilation): Open jump1 dump file before
15730 jump and close after, as opposed to just using dump_rtl.
15732 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15734 * reload.h (earlyclobber_operand_p): Declare.
15735 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15736 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15737 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15738 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15740 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15741 Richard Henderson <rth@cygnus.com>
15743 * emit-rtl.c (emit_block_insn_before): New.
15744 (emit_block_insn_after): New.
15745 * basic-block.h: Declare them.
15747 * bitmap.h: Protect from multiple inclusion.
15749 * recog.c (scratch_operand): Handle VOIDmode correctly.
15751 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15753 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15754 * function.c (assign_parms): Likewise.
15755 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15757 * reg-stack.c (max_uid): Remove.
15758 (blocks, block_begin, block_end, block_drops_in): Remove.
15759 (block_stack_in, block_out_reg_set, block_number): Remove.
15760 (struct block_info_def, BLOCK_INFO): New.
15761 (enum emit_where): New.
15762 (current_block): New.
15763 (BLOCK_NUM): Remove.
15764 (mark_regs_pat, record_label_references): Remove.
15765 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15767 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15768 (reg_to_stack): Simplified test for existance of fp code. Use
15769 flow.c code. Call shorten_branches after cross-jump opt.
15770 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15771 Return false if the asm doesn't use stack regs. Don't do life
15772 analysis on the asm.
15773 (emit_pop_insn): Replace function pointer arg `when' with
15774 enum `where'. Update all callers.
15775 (change_stack): Likewise. Update basic block end.
15776 (emit_swap_insn): Use current_block->head to limit reverse search
15777 for start of block. Use emit_block_insn_after.
15778 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15779 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15780 structure assignment instead of bcopy.
15781 (print_stack): New.
15782 (convert_regs_entry, convert_regs_exit): New.
15783 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15784 Work on basic blocks and the CFG.
15785 (convert_regs): Use them.
15787 * i386.c (output_fix_trunc): Remove code for DImode input operand
15788 not at top-of-stack.
15789 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15791 (fix_truncdi_1): Allow any mode scratch.
15793 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15795 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15796 * linux.h, netbsd.h, vms.h: Not here.
15798 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15800 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15801 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15802 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15803 CONDITIONAL_REGISTER_USEAGE): Use them.
15804 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15805 gen_conditional_branch,override_options) : Use them.
15806 * config/mips/mips.md : Use them.
15808 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15810 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15812 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15814 * integrate.c (function_cannot_inline_p): Don't allow inlining
15817 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15819 * c-parse.in (cast_expr): Constify.
15821 * cccp.c (special_symbol): Likewise.
15823 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15825 * dwarf2out.c (base_type_die): Likewise.
15827 * global.c (allocno_compare): Likewise.
15829 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15831 * regclass.c (fix_register): Likewise.
15833 * rtl.h (fix_register): Likewise.
15835 * stupid.c (stupid_reg_compare): Likewise.
15837 * toplev.c (decode_f_option): Likewise.
15839 * tree.c (build_complex_type): Likewise.
15841 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15843 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15845 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15847 * reload.c (find_reloads): Compute mode and nregs fields of all
15849 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15850 (calculate_needs): Use precomputed mode/nregs values.
15851 (allocate_reload_reg): Likewise.
15853 (failed_reload, set_reload_reg): ... new functions.
15854 (choose_reload_regs_init): New function, mostly broken out from...
15855 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15856 Also lose one #if 0 block.
15858 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15860 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15863 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15865 * tree.h (BLOCK_TYPE_TAGS): Remove.
15866 (BLOCK_END_NOTE): Likewise.
15867 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15868 (BLOCK_LIVE_RANGE_START): Likewise.
15869 (BLOCK_LIVE_RANGE_END): Likewise.
15870 (tree_block): Remove live_range_flag, live_range_var_flag, and
15871 type_tags. Remove end_note, live_range_start, and live_range_end.
15872 (remember_end_note): Remove prototype.
15873 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15874 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15876 * ggc-common.c (ggc_mark_tree_children): Don't mark
15877 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15878 * integrate.c (adjust_copied_decl_tree): Remove.
15879 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15880 * stmt.c (last_block_end_note): Remove.
15881 (init_stmt): Don't add a GC root for it.
15882 (expand_fixup): Don't set it.
15883 (remember_end_note): Remove.
15884 (expand_end_bindings): Don't set last_block_end_note.
15886 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15888 * reload1.c (reload_reg_free_for_value_p): Show
15889 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15892 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15894 * expmed.c (extract_bit_field): Allow for the case of non-integer
15895 objects that are smaller than a word (like SFmode on a 64-bit
15898 * loop.c (basic_induction_var): A non-integer variable which is
15899 being set by a paradoxical subreg is probably not a biv.
15901 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15903 * prefix.c (translate_name) Check for empty prefix string.
15905 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15907 * Makefile.in (CPP_CROSS_NAME): New variable.
15908 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15910 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15911 names of the files to be uninstalled.
15913 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15915 * collect2.c (IS_DIR_SEPARATOR): Define.
15916 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15918 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15921 * haifa-sched.c (add_dependence): Update the true dependency
15922 cache the first time we add a true dependence to the LOG_LINKS chain.
15924 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15926 * fold-const.c (fold): Fix comment.
15928 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15930 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15931 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15932 dbxout_start_new_source_file, dbxout_source_file,
15933 dbxout_source_line, dbxout_finish, dbxout_type_fields,
15934 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
15936 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
15937 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
15938 (dbxout_block): Initialize variable `blocknum'.
15940 * dbxout.h (dbxout_init, dbxout_finish,
15941 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
15942 dbxout_args, dbxout_source_line): Constify a char*.
15944 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
15945 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
15946 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
15947 low_pc_attribute, high_pc_attribute, body_begin_attribute,
15948 body_end_attribute, comp_dir_attribute, sf_names_attribute,
15949 src_info_attribute, mac_info_attribute, producer_attribute,
15950 lookup_filename, generate_macinfo_entry, fundamental_type_code,
15951 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
15952 dwarfout_undef): Constify a char*.
15953 (add_incomplete_type, retry_incomplete_types): Add prototypes.
15955 * dwarfout.h (dwarfout_define, dwarfout_undef,
15956 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
15958 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
15960 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
15961 (MULTILIB_ISA_DEFAULT): New.
15962 (MULTILIB_DEFAULTS): Use it.
15963 * config/mips/mips.c (): Remove the now unnecessary definition
15964 of MIPS_ISA_DEFAULT.
15965 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
15966 unnecessary definition.
15968 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
15970 * arm.md (pic_load_addr): Add constraints to operand 1.
15972 1999-10-25 Bruce Korb <autogen@linuxbox.com>
15974 * fixinc/genfixes: Provide a means for specifying -D options to
15977 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
15979 * arm.c (arm_override_options): Correct initialization of
15980 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
15981 arm_is_strong, and arm_is_6_or_7.
15983 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
15984 (note_set_pseudo_multiple_uses): New function.
15985 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
15986 if a pseudo set in the loop exit is used elsewhere.
15988 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
15990 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
15992 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
15994 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
15995 a single load-address pattern.
15997 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
15999 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16000 depending on whether or not line-number notes are present.
16002 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16004 * cccp.c (progname, file_buf, default_include, include_file,
16005 macrodef, definition, hashval, wchar_type, user_label_prefix,
16006 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16007 expand_to_temp_buffer, is_system_include, base_name,
16008 absolute_filename, read_name_map, open_include_file,
16009 record_control_macro, check_precompiled, check_preconditions,
16010 pcfinclude, pass_thru_directive, create_definition,
16011 check_macro_name, comp_def_part, collect_expansion,
16012 check_assertion, read_token_list, assertion_install,
16013 assertion_lookup, eval_if_expression, conditional_skip,
16014 validate_else, skip_quoted_string, quote_string, macarg1,
16015 error_from_errno, install, lookup, hashf, dump_defn_1,
16016 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16017 check_white_space, rescan, handle_directive, monthnames,
16018 special_symbol, do_include, remap_include_file, write_output,
16019 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16020 do_ident, do_sccs, do_xifdef, skip_if_group,
16021 output_line_directive, macroexpand, macarg, change_newlines,
16022 initialize_builtins, make_definition): Constify a char*.
16024 * pcp.h (stringdef): Likewise.
16026 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16028 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16031 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16032 Richard Henderson <rth@cygnus.com>
16034 * alias.c: Include ggc.h.
16035 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16036 (record_set): Verify enough room in reg_base_value.
16037 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16038 Register it as a GC root.
16039 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16040 * Makefile.in (alias.o): Depend on ggc.h.
16042 * unroll.c (unroll_loop): Verify the insn before a barrier
16043 is a JUMP_INSN before checking JUMP_LABEL.
16045 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16047 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16048 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16049 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16050 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16051 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16052 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16054 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16056 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16058 * alpha/alpha-interix.h (text_section): Delete prototype.
16059 * alpha/elf.h (text_section): Likewise.
16060 * arm/linux-elf.h (text_section): Likewise.
16061 * arm/linux-telf.h (text_section): Likewise.
16062 * c4x/c4x.h (text_section): Likewise.
16063 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16064 * elfos.h (text_section): Likewise.
16065 * i386/aix386ng.h (text_section): Likewise.
16066 * i386/i386-interix.h (text_section): Likewise.
16067 * i386/sco5.h (text_section): Likewise.
16068 * i386/svr3gas.h (text_section): Likewise.
16069 * nextstep.h (text_section): Likewise.
16070 * psos.h (text_section): Likewise.
16071 * ptx4.h (text_section): Likewise.
16072 * svr3.h (text_section): Likewise.
16073 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16075 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16077 * final.c (peephole): Delete prototype.
16079 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16080 (pre_insert_copies): Remove unused variable `bb'.
16082 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16085 * output.h (peephole): Add prototype.
16087 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16089 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16092 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16094 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16095 for inlined declarations.
16097 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16099 * arm.c (logical_binary_operator): New fucntion.
16100 * arm.h (logical_binary_operator): Declare it.
16101 (PREDICATE_CODES): Handle logical_binary_operator.
16102 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16103 output constraints. Add appropriate splitters.
16104 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16105 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16106 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16108 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16110 * genoutput.c (struct operand_data): New elt eliminable.
16111 (output_operand_data): Write it.
16112 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16113 (compare_operands): Take it into account.
16114 * recog.h (struct insn_operand_data): New elt eliminable.
16115 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16117 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16118 (eliminate_regs): Move code that detects changes to elimination
16119 target regs into new function elimination_effects.
16120 Delete one #if 0 block.
16121 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16122 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16123 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16124 Only call eliminate_regs for real operands of the insn, not for parts
16125 of its structure or parts matched by things like match_operator.
16126 Use elimination_effects and check_eliminable_occurrences. Use
16127 copy_insn to duplicate the pattern when not in the final pass.
16129 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16131 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16134 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16136 * fixinc/README: document the "mach" machine matching test
16137 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16138 * fixinc/fixtests.c: Implement the #else/#endif label test
16139 * fixinc/inclhack.def: utilize these tests and fixes
16140 * fixinc/inclhack.sh: regen
16141 * fixinc/fixincl.x: regen
16142 * fixinc/fixincl.sh: regen
16144 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16146 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16149 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16151 * gcc.1: Document exit codes.
16153 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16155 * calls.c: Include tm_p.h later, so everything we need is defined.
16156 * expr.c: Likewise.
16157 * function.c: Likewise.
16159 * except.c: Include tm_p.h.
16161 * sparc.c: Likewise.
16162 (dwarf2out_cfi_label): Don't prototype.
16163 (check_return_regs, epilogue_renumber,
16164 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16165 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16166 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16167 ultra_schedule_insn): Add static prototype.
16168 (data_segment_operand, text_segment_operand): Call itself with the
16169 proper number of arguments.
16170 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16172 * sparc.h: Move all declarations to sparc-protos.h.
16173 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16176 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16178 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16180 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16181 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16182 ASM_OUTPUT_ASCII): Constify a char*.
16184 * sparc-protos.h: New file for sparc prototypes.
16186 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16188 * function.c (record_insns, contains): Always declare and define.
16189 (record_insns): Mark with ATTRIBUTE_UNUSED.
16191 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16193 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16194 to .section when outputting a .bss section to deal with multiple
16195 .bss input sections (as happens with -fdata-sections)
16196 Also output %progbits, not @progbits so the assembler doesn't treat as
16198 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16200 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16201 thumb parts even when building with non-thumb CPUs, by forcing
16204 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16206 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16207 (movdf_const_intreg_sp64): Similarly.
16209 * local-alloc.c (update_equiv_regs): Check the correct insn
16210 for pre-existing REG_EQUIV notes.
16212 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16214 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16215 block reached by a branch if we're not going to actually process
16218 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16220 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16221 a local extern function declaration.
16223 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16225 * i386.c (ix86_expand_prologue): Properly wrap USE around
16226 reg for CALL_INSN_FUNCTION_USAGE.
16228 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16230 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16231 move between GP_REGs.
16233 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16235 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16236 the mode size when finding out if an offset is legal.
16238 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16240 * basic-block.h (PROP_*): Move constants from ...
16241 * flow.c: ... here.
16242 (compute_bb_for_insn): Free the array before reallocating.
16243 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16244 (allocate_reg_life_data): Reset all reg variables collected by
16246 (get_block_head_tail): Don't convert from bb to block.
16247 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16248 (find_insn_reg_weight): Take block not bb.
16249 (schedule_block): Don't set block num for moved insns.
16250 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16251 (schedule_insns): Do it here instead.
16252 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16253 before update_life_info.
16254 * recog.c (split_all_insns, peephole2_optimize): Update for
16255 new arg to update_life_info.
16256 * rtlanal.c (remove_note): Cope with NULL note.
16257 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16260 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16262 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16264 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16265 block records so that merge_blocks_nomove will clean up correctly.
16266 (split_edge): Handle casesi insns.
16268 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16270 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16272 * pa.md (call, call_value): Do not emit a blockage after restoring
16275 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16277 * c-typeck.c (c_expand_asm_operands): Fix typo.
16279 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16281 * arm.c (fpu_rhs_operand): Verify modes.
16282 (fpu_add_operand): Likewise.
16283 (di_operand): Likewise.
16284 (soft_df_operand): Likewise.
16286 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16288 * arm.c (arm_return_in_memory): APCS rules state that the elements
16289 of a structure returned in a register must be 'integer-like'.
16291 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16293 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16294 in the source tree when the generated targets are out of date
16295 * fixinc/genfixes: Alter it to run individual fixes for make.
16296 * fixinc/README: rewrite
16297 * fixinc/inclhack.def: moved initial comments to README
16299 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16301 * toplev.c (main): Do not generate an error message if an
16302 unrecognised command line switch is recognisable by another
16303 language. If extra_warnings are enabled, then generate a
16304 warning message instead.
16306 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16308 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16309 (insert_pack_attributes): Delete prototype.
16311 * c-pragma.c (default_alignment): New static variable.
16312 (push_alignment): Initialize to current effective alignment.
16313 (pop_alignment): Use to set new alignment.
16314 (insert_pack_attributes): Delete function.
16315 (handle_pragma_token): Set default_alignment as well each time
16316 a #pragma pack(<n>) is encountered.
16318 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16320 * reg-stack.c (stack_result): Aggregates are not returned in
16323 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16325 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16327 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16329 * basic-block.h (set_block_num): Declare.
16330 * flow.c (update_life_info): Don't call compute_bb_for_insn
16331 or free_basic_block_vars.
16332 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16333 (insn_orig_block): Remove.
16334 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16335 (schedule_block): Keep BLOCK_NUM up-to-date.
16336 (schedule_insns): Use compute_bb_for_insn.
16337 * recog.c (split_all_insns): Likewise.
16338 (peephole2_optimize): Likewise.
16340 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16342 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16343 if the pic register is used.
16345 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16347 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16348 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16349 if that tests TREE_PERMANENT.
16351 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16353 * cse.c (invalidate_for_call): Do not remove memory references from
16354 the table here. It's handled elsewhere.
16356 * haifa-sched.c (add_dependence): Protect references to the
16357 true dependency cache with #ifdef INSN_SCHEDULING.
16358 (remove_dependence): Similarly.
16360 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16361 to the cfg code that this is a return instruction.
16362 * mn10300.md (return_internal): Similarly.
16364 * combine.c (get_last_value): If the last set of a register
16365 is after subst_low_cuid, then we can not use it to determine
16366 the register's last value.
16368 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16370 * Makefile.in: Back out previous change.
16372 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16374 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16376 * haifa-sched.c (add_dependence): Only check/update the cache
16378 (remove_dependence): Likewise.
16379 (schedule_insns): Only create the true_dependency_cache if the
16380 average number of instructions in a basic block is very large.
16382 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16384 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16385 (ggc-simple.o): Likewise.
16386 (ggc-page.o): Likewise.
16388 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16390 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16391 Prototype for exported functions.
16392 (pre_lcm, pre_rev_lcm): Remove prototypes.
16393 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16394 (compute_available): Move to lcm.c, and change parameter order.
16395 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16396 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16397 (gcse_main): No longer call compute_preds_succs. Rebuild the
16398 set table after reach pre pass.
16399 (pre_insert_map, pre_delete_map, edge_list): New.
16400 (alloc_pre_mem): Allocate edge vectors.
16401 (free_pre_mem): Delete edge vectors.
16402 (compute_pre_data): Call new edge based lcm routines.
16403 (process_insert_insn): New function.
16404 (insert_insn_end_bb): Use it.
16405 (pre_edge_insert): New function.
16406 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16408 (pre_insert_copies): Revamp using new edge based lcm outputs.
16409 (pre_delete): Likewise.
16410 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16412 (compute_code_hoist_vbeinout): New new edge based routines.
16413 * lcm.c: Remove all the old LCM functions. Replace with new ones
16414 that work with the new cfg datastructures and work with edges
16417 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16419 * reload.h (struct reload): Add new fields "mode" and "nregs".
16420 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16421 to reference the "mode" and "nregs" field within struct reload.
16423 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16425 * haifa-sched.c (true_dependency_cache): New.
16426 (add_dependence): Use the true dependency cache to avoid expensive
16427 walks down the LOG_LINKS dependency list. Add entries to the
16428 cache as necessary.
16429 (remove_dependence): Remove entries from the true dependency cache
16431 (schedule_insns): Allocate and initialize and free the true
16434 * haifa-sched.c (schedule_insns): Do not remove inter-block
16435 dependencies anymore.
16437 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16439 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16440 * i386/t-winnt: Likewise.
16442 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16444 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16446 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16448 * Makefile.in (LANGUAGES): Omit "proto".
16449 (clean): Remove stale comment about removing unprotoize.c.
16451 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16453 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16454 using arithmetic on void pointers.
16456 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16458 * haifa-sched.c (compute_block_forward_dependencies): Only check
16459 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16461 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16463 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16464 (expr_equiv_p): Reject memories with different alias sets.
16466 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16468 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16469 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16470 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16471 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16472 (lang_init): Set default for flag_bounds_check if still "unspecified".
16474 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16476 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16478 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16480 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16483 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16485 * config/c4x/c4x.md (*db_noclobber,
16486 *decrement_and_branch_until_zero_noclobber): New patterns and
16487 associated splitters.
16489 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16491 * config/c4x/c4x.md (parallel instruction patterns): Rework
16492 constraints to keep reload happy.
16494 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16496 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16497 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16498 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16499 Add new patterns and associated post-reload splitters.
16501 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16503 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16505 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16507 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16509 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16511 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16513 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16516 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16518 * pa.c (move_operand): Rely on memory_address_p to determine the
16519 validity of non-indexed memory addresses.
16520 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16521 operand in DFmode and SFmode when generating PA2.0 code.
16523 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16525 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16527 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16529 * mips.c (function_prologue): Fix argument types.
16530 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16531 (casesi_internal): Write to the scratch register.
16533 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16535 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16537 (parse_charconst): Delete unnecessary cast when calling
16539 (cpplib.h): Kill prototype of cpp_parse_escape.
16541 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16543 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16544 * unroll.c (unroll_loop): Cast return value of alloca.
16545 * i370/i370.c: Include function.h and toplev.h.
16546 (i370_label_scan): Remove c++ commented abort.
16547 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16548 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16549 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16550 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16552 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16554 * config/t-freebsd: Do not override USER_H.
16555 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16557 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16558 Mumit Khan <khan@xraylith.wisc.edu>
16560 * c-parse.in (component_decl): Support anonymous struct/union.
16562 * c-parse.y: Regenerate.
16563 * c-parse.c: Likewise.
16564 * objc/objc-parse.y: Likewise.
16565 * objc/objc-parse.c: Likewise.
16566 * c-decl.c (finish_struct): Don't sort the fields.
16567 (field_decl_cmp): Delete unused function.
16569 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16571 * sparc.md (movsf_const_intreg): Revert last constraint change.
16572 (movdf_const_intreg_sp32): Likewise.
16574 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16576 * cse.c: Include hashtab.h instead of splay-tree.h
16577 (struct cse_reg_info): No longer use variant union. Add new
16578 field "regno". All references changed to avoid union.
16579 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16580 (free_cse_reg_info): Remove.
16581 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16582 (get_cse_reg_info): Revamp to use expandable hash tables instead
16583 of splay trees. Initialize new fields in cse_reg_info structure.
16584 (new_basic_block): Similarly.
16586 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16588 * genrecog.c (message_with_line): Prototype.
16589 (validate_pattern): Pass along the set for the dest, not a flag.
16590 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16591 Check for PC/CC0 as sources.
16592 (nodes_identical): Check for children position match before
16593 allowing the combination.
16595 * rtl.c (read_rtx): Track line number across \\\n.
16597 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16599 * mips.h (SPECIAL_MODE_PREDICATES): New.
16600 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16601 (movdi+1, movsi+1): Add output reload constraint.
16602 (casesi_internal): Likewise. Fix commentary.
16603 (return_internal): Use pmode_register_operand.
16605 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16607 * 1750a.md (movstrqi): Add missing output reload constraint.
16608 (call_value): Likewise.
16609 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16610 (jmpfdec): Add missing inout reload constraint.
16611 * elxsi.md (addsi patterns): Add missing output reload constraint.
16612 (move from sp): Use @ alternates.
16613 (call_value): No constraint on output.
16614 * fr30.md (movsi_pop): Add missing output reload constraint.
16615 (movsf_constant_store): Likewise.
16616 (splits): Remove constraints.
16617 (subsi3): Add missing mode.
16618 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16619 (call_value): Likewise.
16620 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16621 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16622 * m32r.md (movsicc_internal): Add output reload constraint.
16623 (movstrsi_internal): Add inout reload constraints.
16624 * m88k.h (reg_names): Don't declare.
16625 (SPECIAL_MODE_PREDICATES): New.
16626 * m88k.md (*): Use register_operand not reg_or_0_operand
16628 * mn10200.h (PREDICATE_CODES): New.
16629 * ns32k.md (ffs pattern): Add output reload constraint.
16630 * pdp11.md (sob pattern): Add inout reload constraint.
16631 * sh.md (splits): Remove constraints.
16632 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16633 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16634 * vax.md (jgequ pattern): Add inout reload constraint.
16636 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16638 * configure.in (djgpp): Revert previous patch.
16639 * configure: Rebuit.
16640 * config/i386/djgpp.h: Revert previous patch.
16642 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16644 * fixinc/inclhack.def: Restore patch lost during last merge of
16645 "no_bogosity" branch.
16646 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16648 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16650 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16651 * fixinc/inclhack.def: Same.
16652 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16654 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16656 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16657 as the base of a PLUS.
16659 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16661 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16662 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16664 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16666 * pa.md (post_stw+1): Use pmode_register_operand.
16667 (dcacheflush, icacheflush): Likewise.
16669 * i386.md (movstricthi_1): Allow r/r.
16671 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16673 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16674 to (not (and (arg0) (arg1))). Similary for and.
16676 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16677 fallthrough to associate code.
16678 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16681 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16682 no bits in common; remove XOR to ROTATE conversion.
16684 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16686 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16688 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16690 * config/c4x/c4x.c (dst_operand): New.
16691 (PREDICATE_CODES): Update.
16692 * config/c4x/c4x.h (dst_operand): Declare it.
16693 * config/c4x/c4x.md: Define mode for each unspec usage.
16694 (move patterns): Use dst_operand predicate instead of src_operand.
16695 (movqi_update, movqf_update): Delete.
16697 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16699 * recog.c (pmode_register_operand): New.
16700 * recog.h: Declare it.
16701 * genrecog.c (pred_codes): Likewise.
16702 (special_mode_pred_table): Likewise.
16703 (validate_pattern): Don't warn no mode for address_operand.
16705 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16706 if the operand is not insn-like.
16708 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16709 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16711 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16713 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16715 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16716 instead of general_operand in a SET_DEST. Use const_double_operand
16717 instead of an explicit test against CONST_DOUBLE.
16718 (movsf_const_lo): Add missing register mode.
16719 (goto_handler_and_restore): Add auxiliary test for Pmode.
16720 (flush): Adjust to use address_operand.
16721 (return_sf_no_fpu): Add missing output constraint.
16723 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16725 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16726 for call return value.
16727 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16729 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16731 * toplev.c (main): Only warn about options for other languages.
16732 * collect2.c (main): Pass -w to sub-gcc.
16734 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16736 * flow.c (propagate_block): Add call-clobbered registers to
16739 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16740 zapping mem_set_list.
16741 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16742 (mark_set_1, mark_used_regs): Likewise.
16744 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16746 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16748 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16750 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16751 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16752 options. Also add a new item "C-only Warning Options" to the
16755 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16757 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16758 from multiple calls.
16760 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16762 * i386.md (call value patterns): Move to the end of the file.
16763 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16765 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16767 * configure.in (djgpp configuration): Define extra_objects..
16768 * configure: Rebuilt.
16769 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16770 (DTORS_SECTION_ASM_OP): Define.
16771 (INIT_SECTION_ASM_OP): Define.
16772 (FINI_SECTION_ASM_OP): Define.
16773 (DATA_SECTION_ASM_OP): Define.
16774 (TEXT_SECTION_ASM_OP): Define.
16775 (EH_FRAME_SECTION_ASM_OP): Define.
16776 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16777 (STARTFILE_SPEC): Add crtbegin.o.
16778 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16779 to here from LINK_COMMAND_SPEC.
16780 (DO_GLOBAL_CTORS_BODY): Define.
16781 (CRTSTUFF_USE_FINI_SECTION): Define
16782 (HAS_INIT_SECTION): Delete.
16784 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16786 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16788 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16790 * pa.h (PREDICATE_CODES): New.
16792 * genrecog.c (validate_pattern): Condense the destination
16793 non-lvalue message.
16795 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16797 * alpha.md (call-1): Supply missing mode for operator.
16798 (*): Add missing output reload constraints. Remove constraints
16799 from define_splits.
16801 * i386.h (SPECIAL_MODE_PREDICATES): New.
16802 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16803 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16804 (addsi_lea_3): Add missing mode for op 3.
16805 (prologue_set_got, prologue_get_pc): Add missing modes.
16806 (*) Add missing output reload constraints.
16808 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16810 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16811 check for member bit-size overflow and use var_size if it occurs.
16812 (layout_record): Use bitsize_int() to define the type size in bits.
16813 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16814 (layout_decl): Likewise when assigning to DECL_SIZE.
16816 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16818 * genrecog.c (validate_pattern): Typo last change. Verify
16819 that output operands have output reloads.
16821 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16823 * genrecog.c (special_mode_pred_table): New.
16824 (NUM_SPECIAL_MODE_PREDS): New.
16825 (find_operand): New.
16826 (validate_pattern): New argument `insn'. Warn for assignment to
16827 any predicate accepting non-lvalues. Conditionaly warn for
16828 match_operand without a mode. Try much harder to match source
16829 and destination modes on a set.
16830 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16832 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16834 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16836 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16838 * combine.c (simplify_logical): Recognize xor pattern that encodes
16841 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16843 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16846 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16848 * ggc-page.c (MAP_FAILED): Provide default.
16850 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16852 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16853 * sparc.h (PREDICATE_CODES): Update.
16855 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16857 * alpha.c (some_ni_operand): New.
16858 * alpha-protos.h: Declare it.
16859 * alpha.h (PREDICATE_CODES): Update.
16860 * alpha.md (sXaddq reload insns): Use some_ni_operand
16861 for SET_DEST instead of some_operand.
16863 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16864 Jim Wilson <wilson@cygnus.com>
16866 * genrecog.c (maybe_both_true_2): Don't compare modes of
16868 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16869 after find_afterward.
16870 (debug_decision_1): Dump next and afterward codes.
16872 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16874 * rtl.c (dump_and_abort): Remove.
16875 (fatal_with_file_and_line): New.
16876 (fatal_expected_char): New.
16877 (read_rtx_lineno, read_rtx_filename): New.
16878 (read_skip_spaces): Track line number.
16879 (read_name): Use fatal_with_file_and_line.
16880 (read_rtx): Use fatal_expected_char. Track line number.
16881 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16883 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16884 if it isn't a CODE_LABEL.
16886 * genattr.c (main): Set read_rtx_filename.
16887 * genattrtab.c (main): Likewise.
16888 * gencodes.c (main): Likewise.
16889 * genconfig.c (main): Likewise.
16890 * genemit.c (main): Likewise.
16891 * genextract.c (main): Likewise.
16892 * genflags.c (main): Likewise.
16893 * genopinit.c (main): Likewise.
16894 * genoutput.c (main): Likewise.
16895 * genpeep.c (main): Likewise.
16897 * genrecog.c (decision_test.u.insn): Add `lineno'.
16898 (pattern_lineno, error_count): New variables.
16899 (message_with_line): New.
16900 (add_to_sequence): Break out checking code to ...
16901 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16902 (merge_insn): Use message_with_line.
16903 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16904 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16906 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16908 * expr.c (store_constructor): Clear union if constructor is empty.
16910 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16912 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16913 Add !endian checks. Change %{...} to %(...).
16915 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16917 * i386.md (*addsi3_cc): Renamed from addcsi3.
16918 (*addsi3_carry): Renamed from addxsi3.
16919 (*subsi3_cc): Renamed from subcsi3.
16920 (*subsi3_carry): Renamed from subxsi3.
16921 (*xorqi_cc_1): Renamed from xorcqi_1.
16922 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16923 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16925 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16927 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16928 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16930 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16932 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
16933 climb up the chain of insns.
16935 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
16937 * genrecog.c (write_subroutine): Careful for null trees.
16938 (process_tree): Don't elide empty functions.
16940 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
16942 * Makefile.in (genrtl.o): Depend on ggc.h.
16943 * configure.in (valloc): Probe for it.
16944 (with-gc): Use ggc-page if valloc present.
16945 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
16946 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
16947 (ggc_alloc_string): Moved from ggc-page.c.
16948 * ggc-none.c (ggc_alloc_obj): New.
16949 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
16950 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
16951 (struct globals): Likewise for dev_zero_fd.
16952 (init_ggc): Likewise for it's initialization.
16953 (ggc_allocated_p): Move careful dereference from ...
16954 (ggc_lookup_page_table): ... here. Delete.
16955 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
16956 (alloc_anon): Use valloc if no mmap.
16957 (release_pages): Use free if using valloc.
16958 (ggc_alloc_obj): Renamed from alloc_obj.
16959 (ggc_set_mark): Renamed from mark_obj.
16960 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
16961 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
16962 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
16963 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
16964 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
16965 (ggc_collect): Use fp printing instead of our own rounding.
16966 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
16967 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
16968 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
16969 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
16970 (struct ggc_string, struct ggc_any): Delete.
16971 (offsetof): Provide default definition.
16972 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
16974 (struct ggc_mem): New, from corpse of ggc_any.
16975 (struct ggc_status): Delete.
16976 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
16977 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
16978 (n_strings_collected, n_anys_collected): Delete.
16979 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
16980 (ggc_alloc_string, ggc_alloc): Delete.
16981 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
16982 (ggc_free_string, ggc_free_any): Delete.
16983 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
16984 (ggc_compare_addresses, ggc_mark_string): Delete.
16985 (ggc_mark_string_if_gcable, ggc_mark): Delete.
16986 (search_data): Delete.
16987 (struct globals): New.
16988 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
16989 (tree_insert, tree_lookup): New.
16990 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
16991 (clear_marks, sweep_objs): New.
16992 (ggc_collect): Gut. Use clear_marks, sweep_objs.
16993 (init_ggc): Set allocated_last_gc.
16994 (ggc_push_context): Gut. Use G.context.
16995 (ggc_pop_context): Likewise.
16996 (ggc_pop_context_1): New.
16997 (debug_ggc_tree): New.
16998 (debug_ggc_balance, tally_leaves): New.
16999 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17000 (ggc_mark_string_if_gcable): Remove decl.
17001 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17002 (ggc_mark_rtvec_children): New.
17003 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17004 (ggc_mark_if_gcable): New decl.
17005 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17006 (ggc_alloc_tree, ggc_alloc): Likewise.
17007 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17008 (ggc_alloc_obj): New decl.
17009 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17010 (ggc_alloc_tree, ggc_alloc): Likewise.
17011 (ggc_set_mark): New decl.
17012 * rtl.h (struct rtx_def): Remove gc_mark.
17013 (struct rtvec_def): Likewise.
17014 * tree.h (struct tree_common): Likewise.
17016 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17018 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17019 float_format and thread_file definitions.
17020 * configure: Rebuilt.
17022 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17024 * extend.texi (Function Names): Document types of function names.
17026 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17028 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17029 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17031 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17033 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17035 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17037 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17039 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17041 * collect2.c (main): Do prelimnary link on AIX if rflag.
17043 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17045 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17046 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17048 (__do_global_dtors): similarly for __DTOR_LIST__.
17050 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17051 Diego Novillo <dnovillo@cygnus.com>
17053 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17056 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17058 * fixincl/*: Merged "no_bogosity" branch
17059 * fixincl/fixlib.h: protect against doubly defining t_bool
17060 * fixincl/server.h: protect against doubly defining t_bool
17062 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17064 * genoutput.c: Include toplev.h.
17066 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17068 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17070 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17071 * configure: Regenerate.
17073 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17075 * gcse.c (delete_null_pointer_checks): Returns void.
17077 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17079 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17080 * emit-rtl.c (copy_insn_1): Likewise.
17082 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17084 * config/mips/mips.c (mips_build_va_list): Correct
17085 TREE_CHAIN setting when hard-float.
17086 (mips_va_start): Use corrected setting.
17087 (mips_va_arg): Likewise. Also pass a tree to build of
17088 POSTINCREMENT_EXPR rather than a naked 'int'.
17090 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17092 * ggc.h (ggc_push_context): Fix comment.
17093 (ggc_pop_context): Likewise.
17094 (mark_string_if_gcable): Likewise.
17095 * ggc-common.c (ggc_mark_rtx_children): Use
17096 ggc_mark_string_if_gcable.
17097 * ggc-page.c (ggc_lookup_page_table): New function.
17098 (ggc_allocated_p): Likewise.
17099 (mark_obj): Fix formatting.
17100 (ggc_mark_string_if_gcable): New function.
17101 * ggc-simple.c (ggc_allocated_strings): New variable.
17102 (ggc_strings_used): Likewise.
17103 (ggc_compare_addresses): New function.
17104 (ggc_pop_context): Pop the `any' memory too.
17105 (ggc_mark_string_if_gcable): New function.
17106 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17108 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17110 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17111 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17112 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17115 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17117 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17118 (sched_reg_live_length, sched_reg_basic_block): Delete.
17119 (current_block_num, bb_live_regs, old_live_regs): Delete.
17120 (dead_notes, struct sometimes): Delete.
17121 (sched_note_set, birthing_insn_p): Delete.
17122 (adjust_priority): Gut useless reg lifetime code.
17123 (create_reg_dead_note, attach_deaths): Delete.
17124 (attach_deaths_insn, new_sometimes_live): Delete.
17125 (finish_sometimes_live): Delete.
17126 (find_pre_sched_live, find_post_sched_live): Delete.
17127 (update_reg_usage): Delete.
17128 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17129 (schedule_insns): Delete reg lifetime code.
17130 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17131 (unlink_other_notes): Adjust REG_NOTE commentary.
17132 (reemit_notes): Use REG_SAVE_NOTE.
17133 (schedule_block): Likewise.
17134 (schedule_region): Allocate bitmap of blocks in region. Use
17135 count_or_remove_death_notes. Use update_life_info.
17137 * rtl.h (REG_SAVE_NOTE): New.
17138 * rtl.c (reg_note_name): Update.
17140 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17142 * combine.c (refresh_blocks, need_refresh): New.
17143 (combine_instructions): Allocate refresh_blocks. Invoke
17144 update_life_info if needed.
17145 (distribute_notes): Mark refresh_blocks instead of installing
17147 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17148 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17150 * Makefile.in (recog.o): Depend on basic-block.h.
17152 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17154 * genrecog.c (add_to_sequence): Thinko last change: delete
17155 shadowing allow_const_int variable.
17157 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17159 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17160 __GNUC__ and __GNUC_MINOR__.
17162 * gansidecl.h: Likewise.
17168 * toplev.h: Likewise.
17170 * tree.c: Likewise.
17172 * tree.h: Likewise.
17174 * varray.c: Likewise.
17176 * varray.h: Likewise.
17178 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17180 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17181 use one before a jump table.
17183 * rtl.def (ADDRESS): Change documentation to match reality.
17184 * md.texi: Don't document it.
17185 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17188 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17190 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17192 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17193 known predicate block; default allow_const_int true.
17194 (debug_decision_list): New.
17196 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17198 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17200 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17202 * gcse.c (gcse_main): Avoid global optimizations if we have a
17203 large number of basic blocks and the ratio of edges to blocks
17205 (delete_null_pointer_checks): Likewise.
17207 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17209 * c-common.c (check_format_info): Warn if format string isn't a
17212 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17214 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17215 * configure: regenerate
17217 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17219 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17220 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17221 (peepholes): Re-enable.
17223 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17225 * Makefile.in (flow.o): Depend on TREE_H.
17226 * basic-block.h (REG_SET_EQUAL_P): New.
17227 (XOR_REG_SET): New.
17228 (n_edges): Declare.
17229 (free_regset_vector): Remove declaration.
17230 (flow_delete_insn_chain): Declare.
17231 (enum update_life_extent): New.
17232 (update_life_info, count_or_remove_death_notes): Declare.
17233 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17234 Verify register live at bb->global_live_at_start before adding USE.
17235 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17236 (CLEAN_ALLOCA): New.
17238 (PROP_*): New flags.
17239 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17240 (clear_edges): Zero n_edges.
17241 (make_edge): Increment n_edges.
17242 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17243 (flow_delete_insn_chain): Export.
17244 (delete_block): Decrement n_edges.
17245 (merge_blocks_nomove): Likewise.
17246 (life_analysis): Give life_analysis_1 PROP flags.
17247 (verify_wide_reg_1, verify_wide_reg): New.
17248 (verify_local_live_at_start): New.
17249 (update_life_info): Rewrite to call into propogate_block.
17251 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17252 always mark stack pointer. Conditionally mark PIC register.
17253 After reload, mark call-saved registers, return regsiters.
17254 (life_analysis_1): Accept PROP flags not remove_dead_code.
17255 Call mark_regs_live_at_end before zeroing regs_ever_live.
17256 Use calculate_global_regs_live. Copy global_live_at_end before
17257 calling final propagate_block. Zero reg_next_use on exit.
17258 (calculate_global_regs_live): New.
17259 (allocate_bb_life_data): Don't allocate bb->local_set.
17260 (init_regset_vector, free_regset_vector): Remove.
17261 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17262 Test flags before every operation. Warn if prologue/epilogue insn
17263 would have been deleted.
17264 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17265 Use alloc_EXPR_LIST.
17266 (mark_used_regs): Accept and use FLAGS, not FINAL.
17267 Remove special handling for RETURN.
17268 (try_pre_increment): Use alloc_EXPR_LIST.
17269 (dump_flow_info): Dump n_edges.
17270 (unlink_insn_chain, split_hard_reg_notes): Remove.
17271 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17272 (find_insn_with_note, new_insn_dead_notes): Remove.
17273 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17274 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17275 (replace_insns): Remove.
17276 (count_or_remove_death_notes): New.
17277 (verify_flow_info): Abort on error after all checks.
17278 (remove_edge): Decrement n_edges.
17279 (remove_fake_edges): Tweak format.
17280 * haifa-sched.c (schedule_insns): Use split_all_insns.
17281 * output.h (update_life_info): Remove declaration.
17282 * recog.c (split_all_insns): From the corpse of split_block_insns,
17283 do the whole function block by block. Use update_life_info.
17284 (recog_last_allowed_insn): New.
17285 (recog_next_insn): Mind it.
17286 (peephole2_optimize): Set it. Walk backwards through blocks.
17287 Use update_life_info.
17288 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17289 (split_all_insns): Declare.
17290 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17291 Use split_all_insns.
17293 * i386.md (or -1 peep2s): Disable.
17295 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17297 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17298 a single pattern. Scrap the 'd' versions as unnecessary.
17300 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17301 tablejump_mips162,tablejump_internal4): The operands to a
17302 label_ref must be VOIDmode.
17304 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17306 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17308 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17310 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17312 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17314 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17315 cache every function if ggc_p.
17317 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17319 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17320 instead of copy_rtx. Accept sequences that contain asm statements.
17321 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17322 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17323 orig_asm_operands_vector, copy_asm_operands_vector,
17324 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17326 * rtl.h (copy_insn, copy_insn_1): Declare.
17328 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17330 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17332 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17333 arguments to `current_file_function_operand'.
17335 * genrecog.c: Include hard-reg-set.h and resource.h in the
17336 generated output file.
17338 * real.c: Include tm_p.h.
17340 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17342 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17345 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17347 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17348 before the fctiwz insn.
17350 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17351 Mark Mitchell <mark@codesourcery.com>
17353 * tree.c (make_lang_type_fn): New funtion pointer.
17354 (make_lang_type): Call it.
17355 * tree.h (make_lang_type): Declare.
17356 (make_lang_type_fn): Likewise.
17357 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17359 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17361 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17362 make sure that HIGH instructions are copied into BASE_REGS.
17364 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17366 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17368 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17370 * c-decl.c (finish_struct): Use simpler method of
17371 removing elements of a singly-linked list.
17373 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17375 * alpha.md (peephole2's): Comment out peephole2's that generate
17378 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17380 * genrecog.c (add_to_sequence): Disable mode check for
17383 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17385 * ggc-simple.c (init_ggc): Set empty_string.
17387 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17389 * configure.in: Detect mmap. Add --with-gc=foo to select
17390 garbage collector; default to page if mmap available.
17391 * Makefile.in (GGC): Substitute.
17393 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17395 * c-decl.c (ggc_p): Enable.
17397 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17399 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17401 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17403 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17404 string for little-endian-data.
17406 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17408 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17409 case somebody tries to compile --enable-checking code with gcc
17412 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17414 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17417 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17419 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17420 * jump.c (jump_optimize_1): Document why.
17422 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17424 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17425 pointers and casts for `int_handler' and `quit_handler'.
17427 * flow.c (verify_flow_info, split_hard_reg_notes,
17428 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17429 remove_edge, remove_fake_successors): Add static prototypes.
17430 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17431 (mark_set_1): Initialize variable `regno'.
17432 (unlink_insn_chain): Likewise for variable `curr'.
17433 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17435 * loop.c (strength_reduce): Initialize variable
17436 `unrolled_insn_copies'.
17437 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17438 prototypes. Change these functions to take const PTR parameters
17439 to avoid prototype conflict when used as the comparson argument
17441 (check_dbra_loop): Initialize variable `comparison_val'.
17443 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17444 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17445 (find_valid_class): Initialize variable `best_class'.
17446 (find_reloads): Call memcpy, not bcopy.
17448 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17449 (hard_reg_use_compare): Don't needlessly cast away const.
17450 (reload_reg_class_lower): Likewise.
17451 (choose_reload_regs): Initialize variable `regno'.
17453 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17455 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17457 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17459 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17460 ({,d}discard): Add forward declarations. Declare parameter as
17462 (main_without_main): Explicitly declare return type to be int.
17463 (memcpy): Properly declare.
17465 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17466 building the trampoline support, declare malloc, free, and
17468 (__clear_cache): Mark arguments as potentially unused.
17470 * frame.c (toplevel): If inhibit_libc is defined, declare
17473 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17475 * flow.c (make_edge): Accept an optional 2D bitmap in which
17476 to cache edge existence. Update all callers.
17477 (make_label_edge, make_eh_edge): Pass through the edge cache.
17478 (make_edges): Provide the cache.
17480 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17482 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17484 (local_mbtowc): Change the type of variable `i' from int to size_t.
17486 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17487 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17489 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17491 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17492 after other includes that define the appropriate types. Include
17493 tm_p.h for getting user prototypes.
17494 * ggc-callbacks.c (toplevel): Ditto.
17495 * ggc-none.c (toplevel): Ditto.
17496 * gcc-page.c (toplevel): Ditto.
17497 * ggc-simple.c (toplevel): Ditto.
17499 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17500 Jonathan Larmour <jlarmour@cygnus.co.uk>
17502 * config/mips/mips.c (mips_move_2words): Split doubles if
17503 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17505 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17507 * genrecog.c (struct decision_test): New.
17508 (struct decision): Remove test-related members, sort the rest by size.
17509 (IS_SPLIT): Simplify.
17510 (new_decision, new_decision_test): New.
17511 (add_to_sequence): Use them. No special handling for args of
17513 (maybe_both_true): Renamed from not_both_true; return sense changed.
17514 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17515 of maybe_both_true and adjusted for decision_test.
17516 (position_merit): Remove.
17517 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17518 (merge_accept_insn): New, broken out of merge_trees.
17519 (merge_trees): Use them. No special case for c_test; no node
17520 splitting; use test type instead of position_merit.
17521 (factor_tests): New.
17522 (simplify_tests): New.
17523 (break_out_subroutines): Don't write code now.
17524 (find_afterward): New.
17525 (write_afterward, write_switch, write_cond): New.
17526 (write_action, is_unconditional): New.
17527 (write_node): New. Use them.
17528 (write_tree_1): Rewrite. Use the new functions above.
17529 (write_tree): Remove afterward processing.
17530 (write_subroutine): Simplify function variant emission.
17531 (write_subroutines): New.
17532 (same_codes, clear_codes): Remove.
17533 (same_modes, clear_modes): Remove.
17534 (write_header): New, broken out of main.
17535 (make_insn_sequence): Use new_decision and new_decision_test.
17536 (process_tree): New, broken out of main.
17537 (main): Adjust for merge_trees interface change.
17538 Don't #define operands in the output file.
17539 (record_insn_name): New, broken out of make_insn_sequence.
17540 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17541 (debug_decision): New.
17543 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17545 * resource.c (find_free_register): Mark class_str argument const.
17546 * resource.h: Update prototype to match.
17548 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17549 * i386.md: Give all anonymous insns names.
17551 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17553 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17556 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17558 * toplev.c (dbr_sched_time): Unconditional.
17559 (peephole2_time): New.
17560 (compile_file): Add pass numbers to all of the dump file suffixes.
17561 Dump peephole2_time. Don't dump times for non-applicable passes.
17562 (rest_of_compilation): Add pass numbers to dump file suffixes.
17563 Conditionalize calls to the scheduler.
17564 * invoke.texi: Update.
17566 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17568 * flow.c (make_edges): Fix insn iteration.
17569 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17570 (find_basic_blocks_1): Fix spelling mistake.
17572 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17574 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17575 always have side-effects. Use memset not bzero.
17576 (make_node): Likewise.
17578 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17580 * stmt.c (expand_anon_union_decl): When any of the elements of the
17581 union is addressable, so is the entire union.
17583 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17585 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17587 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17588 * bitmap.c (bitmap_operation): Return true iff TO changed.
17589 (bitmap_equal_p): New.
17590 (bitmap_bit_p): Tidy arithmetic.
17591 (debug_bitmap_file): Likewise.
17593 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17595 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17596 before cse2 instead of after.
17598 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17600 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17603 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17605 * cppinit.c (is_idchar initializer): Loosen tests to accept
17608 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17610 * mips.md: Define conditional move patterns for floating point
17611 operands and DI mode conditions.
17613 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17615 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17616 always have side-effects.
17618 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17620 * mn10200.c (asm_file_start): Fix typo.
17622 * cppinit.c (is_idchar initializer): Tighten tests for when
17623 to put the table into initialized memory.
17625 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17626 not an array of rtunion.
17627 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17628 * gcc-simple (ggc_free_rtvec): Similarly.
17630 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17633 * mbchar.h: Add missing #endif.
17635 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17636 (FPBIT, DPBIT): Define.
17638 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17640 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17642 * profile.c (instrument_arcs, output_gcov_string,
17643 tablejump_entry_p): Add static prototypes.
17644 (output_gcov_string): Constify a char*.
17646 * regmove.c (replacement_quality, fixup_match_2): Add static
17649 * resource.h (reg_dead_p): Add extern prototype.
17651 * rtl.c (trim_filename): Add static prototype.
17653 * scan-decls.c (skip_to_closing_brace): Likewise.
17655 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17656 (expand_end_case): Initialize variable `range'.
17657 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17659 * varasm.c (asm_emit_uninitialised): Add static prototype.
17660 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17663 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17665 * cpplib.c (if_directive_nameo): Add static prototype.
17667 * cse.c (cse_insn): Remove unused variable `p'.
17669 * except.c (create_rethrow_ref, push_entry,
17670 receive_exception_label, new_eh_region_entry, find_func_region,
17671 clear_function_eh_region, process_nestinfo): Add static prototypes.
17672 (get_reg_for_handler): Hide definition.
17673 (process_nestinfo): Initialize variable `extra_handlers'.
17675 * expr.h (expand_builtin_longjmp): Add extern prototype.
17677 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17679 * function.c (prepare_function_start): Likewise.
17680 (pop_function_context_from): Mark parameter `context' with
17682 (push_temp_slots_for_block, flush_addressof): Hide definition.
17684 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17685 solve_program_flow_graph, calculate_branch_probs,
17686 function_summary, main, fancy_abort): Add prototypes.
17688 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17689 (add_hash): Constify a char*.
17691 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17692 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17693 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17695 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17697 * lists.c (free_list, zap_lists): Likewise.
17699 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17701 * alias.c (nonlocal_reference_p): Add static prototype.
17703 * bitmap.c (bitmap_element_allocate): Prototype args in function
17706 * builtins.c (stabilize_va_list): Add static prototype.
17707 (expand_builtin_va_arg): Constify a char*.
17709 * c-lex.c (getch, put_back, extend_token_buffer_to,
17710 read_line_number, token_getch, token_put_back): Add static
17713 * c-parse.gperf (hash, is_reserved_word): Likewise.
17715 * cccp.c (is_dir_separator): Likewise.
17717 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17719 * graph.h: New file to prototype functions exported by graph.c.
17721 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17723 * graph.c: Include graph.h.
17725 * toplev.c: Likewise. Remove redundant prototypes.
17727 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17729 * invoke.texi: Removed duplicated description for -Q.
17731 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17733 * extend.texi: Grammar fix in __extension__ text.
17735 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17737 * md.texi (define_peephole2): New section.
17739 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17741 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17742 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17745 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17747 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17749 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17751 * i386.md (ffs expander): Emit Pentium friendly code for
17754 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17756 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17758 (build1): Likewise.
17760 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17762 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17764 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17766 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17767 register is in use.
17769 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17771 * md.texi (No Constraints): Delete section.
17772 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17773 * final.c (final_scan_insn): We always have register constraints.
17774 * genattrtab.c: Don't include "insn-config.h".
17775 (write_attr_case): We always have register constraints.
17776 * genconfig.c (register_constraint_flag): Delete.
17777 (walk_insn_part): Don't check whether we have register constraints.
17778 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17779 * genoutput.c (have_constraints): Delete.
17780 (main): Don't set it.
17781 (output_operand_data): We always have constraints.
17782 (scan_operands): Likewise.
17783 (compare_operands): Likewise.
17784 * local-alloc.c (block_alloc): We always have constraints.
17785 (requires_inout): Always compile this function.
17786 * recog.c (extract_insn): We always have constraints.
17787 (constrain_operands, reg_fits_class_p): Always compile these
17789 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17791 (struct insn_operand_data): Likewise.
17792 * regclass.c (regclass): We always have constraints.
17793 (record_reg_classes, copy_cost, record_address_regs,
17794 auto_inc_dec_reg_p): Always compile these functions.
17795 * regmove.c (regmove_optimize): We always have constraints.
17796 * reload.c (find_reloads): Likewise.
17797 * reload1.c (reload): Likewise.
17798 (reload_cse_simplify_operands): Likewise.
17799 * i860.c (output_delay_insn): Likewise.
17801 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17803 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17805 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17807 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17808 for the va_list record.
17810 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17812 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17815 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17817 * alias.c: Include insn-flags.h.
17818 * Makefile.in (alias.o): Update.
17820 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17822 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17823 to LTU and GEU. Handle more cases using sbb.
17825 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17827 * i386.md (truncatexfdf splitters): Do not use subreg.
17828 (fop XFmode patterns): Fix mode in operand testing.
17830 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17832 * jump.c (jump_optimize_1): Amend last change to test only the
17833 form of the operand, not the insn.
17835 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17836 not register_operand to determine when B may need preloading.
17838 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17840 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17841 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17842 (call-value patterns): Move to end of file.
17843 (*): Remove mode from label_ref in (pc) context.
17844 (movstrqi): Use memory not general_operand for BLKmode operands.
17845 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17846 to register_operand operands.
17847 (peep2 patterns): Convert from commented-out peephole patterns.
17849 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17851 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17852 to BUILT_IN_INIT_DWARF_REG_SIZES.
17853 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17854 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17855 expand_builtin_init_dwarf_reg_sizes.
17856 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17857 with __builtin_init_dwarf_reg_size_table.
17858 * dwarf2out.c (struct reg_size_range): Delete.
17859 (expand_builtin_init_dwarf_reg_sizes): New function.
17860 (expand_builtin_dwarf_reg_size): Delete.
17861 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17862 (expand_builtin_dwarf_reg_size): Don't declare.
17863 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17864 (dwarf_reg_size_table): New.
17865 (init_reg_size_table): New function.
17866 (copy_reg): Use dwarf_reg_size_table.
17867 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17870 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17872 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17873 Correctly build argument list to constructor and destructor functions.
17875 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17877 * c-tree.h (warn_float_equal): Declare.
17878 * c-decl.c (warn_float_equal): Define.
17879 (c_decode_option): Recognize -W[no-]float-equal.
17880 * c-typeck.c (build_binary_op): Conditionally warn
17881 about equality tests of floating point types.
17882 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17883 * invoke.texi: Add docs for -Wfloat-equal warning.
17885 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17887 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17888 generating RTL directly.
17889 * mips.h (INIT_TARGET_OPTABS): Likewise.
17890 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17892 * expr.h (init_mov_optab): Delete declaration
17894 * h8300.c (WORD_REG_USED): Update to avoid useless register
17895 saves in interrupt functions and functions which never return.
17897 * cse.c (struct set): Delete inner_dest_loc field.
17898 (cse_insn): Remove assignments to inner_dest_loc field.
17900 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17902 * ggc-page.c: Don't include <unistd.h> etc taken care of
17903 by "system.h". Include <sys/mman.h> afterward.
17905 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17907 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17910 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17912 * xcoffout.c (xcoffout_declare_function): Add documentation.
17913 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17914 TARGET_64BIT. Compare constant to -1, not bit pattern.
17915 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17916 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17919 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17921 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17922 origin_die is NULL.
17923 (gen_inlined_enumeration_type_die): Do not abort if the type has
17924 not been writeen out.
17925 (gen_inlined_structure_type_die): Do not abort if the type has
17926 not been writeen out.
17927 (gen_inlined_union_type_die): Do not abort if the type has
17928 not been writeen out.
17929 (gen_tagged_type_instantiation_die): Do not abort if the type
17930 has not been written out.
17932 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17934 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
17936 * reg-stack.c (straighten_stack): Copy hard reg set with
17939 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
17941 * builtins.c (stabilize_va_list): Stabilize array type va_list
17942 to a pointer type, not the base record type.
17943 (expand_builtin_va_copy): Dereference the pointers explicitly;
17944 use the correct size for the copy.
17946 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
17947 (rs6000_va_arg): Likewise.
17949 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
17951 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
17953 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
17955 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
17957 (DECL_BUILT_IN_CLASS): Adjust accordingly.
17959 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
17961 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
17962 (init_ggc): Use it instead of a constant.
17963 (ggc_collect): Bound allocated_last_gc by it.
17965 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
17967 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
17970 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
17972 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
17973 (mips*-*-openbsd*): Let big endian configuration be a fragment.
17974 * configure: Regen.
17975 * config/mips/openbsd.h: New, OpenBSD little endian target.
17976 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
17977 * config/mips/xm-openbsd.h: New, OpenBSD host.
17979 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
17981 * config/m68k/m68k.c (output_function_prologue,
17982 output_function_epilogue): Use
17983 current_function_uses_pic_offset_table instead of regs_ever_live
17984 to decide whether to save/restore pic register.
17985 (legitimize_pic_address): Don't modify regs_ever_live any more.
17987 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
17989 * function.h (struct function): Add x_dont_save_pending_sizes_p.
17990 * stor-layout.c (variable_size): Don't add sizes to the pending
17991 sizes list if x_dont_save_pending_sizes_p is set.
17993 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
17995 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
17996 for symbolic_operand().
17997 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
17999 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18001 * combine.c (gen_rtx_combine): Add missing call to va_end().
18003 * final.c (asm_fprintf): Likewise.
18005 * genattrtab.c (attr_rtx): Likewise.
18007 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18009 * cse.c: Update comments.
18010 (cse_insn): When converting a conditional/computed jump into
18011 an unconditional jump, always make sure a BARRIER immediately
18012 follows the converted jump. Do not delete unreachable code.
18013 (cse_basic_block): Do not delete unreachable code.
18014 * toplev.c (rest_of_compilation): Move call to
18015 delete_trivially_dead_insns after the conditional call to
18018 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18020 * collect2.c (make_temp_file): Don't prototype.
18022 * gcc.c (make_temp_file): Likewise.
18024 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18026 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18028 * varasm.c (asm_emit_uninitialised): New function: Generate
18029 the assembler statements necessary to declare an uninitialised
18031 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18033 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18034 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18036 (assemble_variable): Use asm_emit_uninitialised to emit an
18037 uninitialised variable.
18039 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18041 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18042 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18043 <geoffk@cygnus.com>.
18045 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18047 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18048 * c-common.h (builtin_function): Don't declare.
18050 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18052 (pushdecl): Likewise.
18053 (finish_decl): Likewise.
18054 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18055 int. All callers changed.
18056 Set the builtin's DECL_BUILT_IN_CLASS.
18057 * tree.h (enum built_in_class): New.
18058 (enum built_in_function): Delete NOT_BUILT_IN.
18059 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18061 (DECL_SET_FUNCTION_CODE): Likewise.
18062 (DECL_BUILT_IN_CLASS): New macro.
18063 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18064 (struct tree_decl): Split builtin function code field into a
18066 (builtin_function): Declare.
18068 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18070 * optabs.c (init_traps): Fix typo in last change.
18072 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18074 * toplev.c (rest_of_decl_compilation): Update comment.
18076 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18078 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18079 in .sbss if appropriate.
18080 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18081 (SBSS_SECTION_ASM_OP): New macro.
18082 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18083 (EXTRA_SECTIONS): Add in_sbss.
18084 * config/mips/mips.h: Prototype sbss_section.
18086 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18088 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18091 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18093 * optabs.c (init_traps): Register trap_rtx as a GC root.
18095 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18097 * config/mips/mips.c (function_arg_pass_by_reference): Define
18098 unconditionally, since it's called unconditionally.
18100 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18102 * toplev.c (documented_lang_options): Add -fshort-wchar.
18103 * c-decl.c (c_decode_option): Likewise.
18104 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18106 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18107 * gcc.c (default_compilers): If -fshort-wchar,
18108 override __WCHAR_TYPE__.
18109 * tm.texi (C Dialect Options): Add -fshort-wchar.
18111 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18112 symbol for a variable.
18114 * cpplib.h (CPP_PREPROCESSED): New macro.
18115 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18116 we're seeing this input for a second time.
18118 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18120 * emit-rtl.c (init_emit_once): Initialize modes first.
18122 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18124 * config/i386/i386.c (pic_label_name): Change to char pointer.
18125 (global_offset_table): New variable.
18126 (load_pic_register): Fill global_offset_table if it hasn't
18127 already been done. Allocate pic_label_name dynamically.
18128 * ggc.h (empty_string): New variable.
18129 * ggc-simple.c (empty_string): Likewise.
18130 (init_ggc): Allocate empty_string and add as root.
18131 * stmt.c (digit_strings): New variable.
18132 (init_stmt): Add last_block_end_note as root. Allocate and
18133 initialize digit_strings.
18134 (expand_asm_operands): Use empty_string instead of string
18135 constant. Use digit_strings instead of string constants.
18136 * profile.c (init_arc_profiler): Allocate string with
18137 ggc_alloc_string instead of xmalloc.
18138 (output_func_start_profiler): Likewise.
18139 * c-typeck.c (digest_init): Check if init is error_mark_node.
18141 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18142 Richard Henderson <rth@cygnus.com>
18144 * ggc-page.c: New file.
18145 * Makefile.in (ggc-page.o): New.
18147 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18149 * invoke.texi: Document -fdelete-null-pointer-checks
18150 * toplev.c (flag_delete_null_pointer_checks): New.
18151 (f_options): Add entry for -fdelete-null-pointer-checks.
18152 (rest_of_compilation): Conditionalize null pointer check
18153 elimination on flag_delete_null_pointer_checks.
18154 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18156 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18158 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18159 copyright notice and special exception to GPL.
18161 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18163 * abi64.h (mips_function_value): Add prototype arguments.
18165 * mips-protos.h: New file with mips prototypes.
18167 * mips.c: Include "tm_p.h".
18168 (mktemp, lookup_name): Add prototype arguments.
18169 (extern_list, string_constant, mips_fill_delay_slot,
18170 mips_output_external, mips_output_external_libcall,
18171 mips_output_filename, mips_declare_object, function_prologue,
18172 mips_expand_prologue, function_epilogue, mips16_constant,
18173 build_mips16_function_stub, mips_output_conditional_branch):
18175 (mips_va_start): Remove unused variable `u'.
18176 (mips_va_arg): Cast value to unsigned when comparing against one.
18178 (save_restore_insns, mips_expand_prologue): Add missing arg in
18179 call to `large_int'.
18181 * mips.h: Move prototypes to mips-protos.h.
18182 (data_section, memory_address_p, rdata_section,
18183 readonly_data_section, simple_epilogue_p, text_section): Delete
18184 prototypes delcared elsewhere.
18185 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18187 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18189 * mips.md: Delete extra args in call to `mips_move_2words'.
18191 * xm-iris6.h (alloca): Add prototype argument.
18193 * genpeep.c: Include "tm_p.h" in generated output file.
18195 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18197 * basic-block.h (find_edge_index): Change parameters.
18198 * flow.c (verify_edge_list): Pass basic_block parameters to
18199 find_edge_index instead of integers.
18201 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18203 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18206 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18208 * gcc.1: Fix a formatting error.
18210 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18212 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18213 i786, mn10200, mn10300, pdp11, v850.
18215 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18217 * libgcc2.c (num_digits): Add prototype with
18218 __attribute__((const)).
18219 (__terminate): Add prototype.
18221 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18223 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18225 * alpha/alpha.c (print_operand): Fix type of `code'.
18226 (alpha_output_filename): Constify.
18227 * alpha/alpha.h: Move all function declarations ...
18228 * alpha/alpha-protos.h: ... here. New file.
18229 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18230 (SECTION_FUNCTION_TEMPLATE): Likewise.
18232 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18234 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18235 * expr.c (expand_expr): Likewise.
18236 (do_jump): Likewise.
18237 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18238 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18240 (enum can_compare_purpose): New.
18241 (can_compare_p): Adjust prototype.
18242 (prepare_cmp_insn, prepare_operand): Declare.
18243 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18244 * optabs.c (cmp_available_p): Deleted.
18245 (expand_abs): Pass ccp_jump to can_compare_p.
18246 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18247 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18248 Call can_compare_p rather than cmp_available_p.
18249 (prepare_operand): No longer static.
18250 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18251 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18252 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18253 sequence to use emit_cmp_and_jump_insns.
18254 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18256 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18258 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18259 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18260 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18261 (plus (reg) (const_int 0))
18262 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18264 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18266 * rs6000.c (expand_block_move): DImode loads and stores require
18267 word-aligned displacements. Increment address registers with
18268 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18270 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18272 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18273 is no name for the base type, rather than segfault. If we are
18274 writing out a complex integer type, use DW_ATE_lo_user.
18276 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18277 in one word or less (complex char, complex short, or on 64 bit
18278 systems complex float) to/from a hard register, copy it through
18279 memory instead of dying in gen_{real,imag}part. If we have a
18280 short complex type, prevent inlining since it allocates stack
18283 * tree.c (build_complex_type): If we are writing dwarf2 output,
18284 generate a name for complex integer types.
18286 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18288 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18289 * flow.c (remove_edge): Remove extra whitespace.
18290 (remove_fake_edges): Fix comment.
18291 (add_noreturn_fake_exit_edges): Use the correct name.
18293 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18295 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18296 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18297 (clean): Depend on INTL_CLEAN.
18298 (maintainer-clean): Adjust.
18300 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18302 * configure.in (AC_PREREQ): Bump to 2.13.
18303 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18305 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18307 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18309 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18311 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18312 (HAVE_STRINGIZE): Define.
18314 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18316 * c-parse.in: save and restore warn_pointer_arith on __extension__
18317 along with pedantic.
18318 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18319 Set the type of extension to itype rather than $<itype>1 kludge.
18320 * extend.texi (Alternate Keywords): Adjust documentation.
18321 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18323 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18325 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18326 most assembler templates.
18328 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18329 FP loads and stores.
18330 (following_call): Always return zero for the PA8000.
18331 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18332 FP loads and stores.
18333 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18335 * pa.h (BRANCH_COST): Define.
18337 * pa.md (return, return_internal): Use bve for PA2.0.
18339 * pa.md (fused multiply): Add variants which reduce height for the
18340 fused multiply, but which still generate 2 insns.
18341 (fnegabs): Similarly.
18343 * pa.md (subsi3): Turn into an expander. Create two anonymous
18344 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18345 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18347 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18349 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18351 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18352 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18354 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18357 * flow.c (record_active_eh_regions): Terminate loop after finding
18358 the last insn in the last basic block.
18360 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18362 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18364 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18366 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18368 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18370 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18371 splitting to not use output template.
18373 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18375 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18376 * config/c4x/c4x.c (c4x_va_start): New function.
18378 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18380 * genrecog.c (not_both_true): Handle correctly cases when called for
18381 tests with different positions in the insn.
18383 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18385 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18387 * system.h (HOST_PTR_PRINTF): ... to here.
18389 * mips-tfile.c: Don't include machmode.h.
18391 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18392 (mips-tfile.o): Don't depend on machmode.h.
18394 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18396 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18397 avoid conflicts with typedef struct `region' at the top level scope.
18399 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18401 * basic-block.h (basic_block): Add eh_beg, eh_end.
18402 * flow.c (entry_exit_blocks): Update.
18403 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18404 Call new functions.
18405 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18406 lists.c functions to allocate insn lists.
18407 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18409 (make_eh_edge): ... here. New.
18410 (move_stray_eh_region_notes): New.
18411 (record_active_eh_regions): New.
18412 (delete_unreachable_blocks): Split out block merging ...
18413 (try_merge_blocks): ... here. New.
18414 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18415 Dump debugging data.
18416 (merge_blocks_move_successor_nojumps): Likewise.
18417 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18419 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18421 * extend.texi (Bound member functions): Document unbound pmf
18424 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18426 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18427 has the EXIT_BLOCK as a dest.
18429 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18431 * flow.c (remove_edge): New function to remove an edge from the
18433 (remove_fake_successors): New function to remove fake successor edges.
18434 (remove_fake_edges): New function to remove all fake edges from the
18436 (add_fake_exit_edges): New function to add fake edges from all blocks
18437 with no successors to the exit block.
18438 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18439 prototypes for new functions.
18441 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18443 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18444 Use Pmode to determine whether to output .dword or .word.
18446 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18448 * tree.c (built_in_filename): New variable.
18449 (BUILT_IN_FILENAME): New macro.
18450 (init_tree_codes): Allocate built_in_filename.
18451 (make_node): Use built_in_filename instead of string constant.
18453 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18455 * configure.in: Add fr30 target.
18456 * configure: Regenerate.
18457 * config/fr30: New directory.
18458 * config/fr30/crti.asm: New file.
18459 * config/fr30/fr30.c: New file.
18460 * config/fr30/crtn.asm: New file.
18461 * config/fr30/fr30.h: New file.
18462 * config/fr30/fr30.md: New file.
18463 * config/fr30/lib1funcs.asm: New file.
18464 * config/fr30/t-fr30: New file.
18465 * config/fr30/xm-fr30.h: New file.
18467 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18469 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18470 BARRIER at the end of the successor, not the BARRIER before
18473 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18475 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18477 * stmt.c (any_pending_cleanups): Don't crash when
18478 current_function->stmt is unset.
18480 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18482 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18483 other initializations that may use it for relative offsets.
18485 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18487 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18488 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18489 * config/i386/sol2dbg.h: Removed.
18490 * config/i386/sol2gas.h: New file, to enable gas work-around.
18491 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18492 Don't use sol2dbg.h.
18493 * configure: Rebuilt.
18495 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18497 * invoke.texi (-fthis-is-variable): Remove documentation.
18499 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18501 * basic-block.h (compute_bb_for_insn): Declare.
18502 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18503 to use; set size of basic_block_for_insn directly.
18504 (find_basic_blocks): Update.
18506 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18508 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18510 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18512 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18513 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18515 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18517 * c-decl.c (c_decode_option): Extend comment.
18519 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18521 * toplev.c (progname): Make 'const char *'
18522 (flag_print_mem): Move out of main.
18523 (version_flag): Move out of main.
18524 (filename): Move out of main.
18525 (debug_args): Remove g prefix from options.
18526 (documented_lang_options): Remove cpplib specific options.
18527 (display_help): Add g prefix to debug options.
18528 (check_lang_option): Delete this function.
18529 (decode_d_option): New function: Decode -d... option.
18530 (decode_f_option): New function: Decode -f... option.
18531 (decode_W_option): New function: Decode -W... option.
18532 (decode_g_option): New function: Decode -g... option.
18533 (independent_decode_option): New function: Decode a language
18534 independent command line option.
18535 (main): Invoke lang_decode_option and then
18536 independent_decode_option on each command line option in
18539 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18541 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18542 * fold-const.c (fold_range_test): Do not try to fold the range
18543 test if the rhs or lhs has side effects.
18545 * basic-block.h (compute_flow_dominators): Declare.
18547 * gcse.c (alloc_code_hoist_mem): New function.
18548 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18549 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18550 (hoist_code, one_code_hoisting_pass): Likewise.
18551 (gcse_main): If optimizing for size, then hoist expressions
18552 computed in multiple dominated basic blocks.
18554 * gcse.c (invalid_nonnull_info): New function.
18555 (delete_null_pointer_checks): Likewise.
18556 * rtl.h (delete_null_pointer_checks): Declare.
18557 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18559 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18560 (merge-blocks_move_successor_nojumps): Likewise.
18561 (merge_blocks): Allow merging of some blocks, even if it requires
18562 physical movement of the blocks, but not if it requires new jumps.
18564 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18565 Callers and prototype changed.
18566 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18568 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18570 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18571 -YP when both -p and -pg are present. From i386/sol2.h.
18573 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18575 * Makefile.in (distclean): Delete tm_p.h.
18576 * configure.in: Create a new file, "tm_p.h", from a list in
18577 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18578 "i386/i386-protos.h".
18580 * alias.c: Include "tm_p.h".
18581 * c-typeck.c: Likewise.
18582 * calls.c: Likewise.
18584 * emit-rtl.c: Likewise.
18585 * explow.c: Likewise.
18586 * expmed.c: Likewise.
18587 * expr.c: Likewise.
18588 * final.c: Likewise.
18589 * flow.c: Likewise.
18590 * fold-const.c: Likewise.
18591 * function.c: Likewise.
18592 * gcse.c: Likewise.
18593 * global.c: Likewise.
18594 * haifa-sched.c: Likewise.
18595 * integrate.c: Likewise.
18596 * jump.c: Likewise.
18597 * local-alloc.c: Likewise.
18598 * loop.c: Likewise.
18599 * optabs.c: Likewise.
18600 * recog.c: Likewise.
18601 * reg-stack.c: Likewise.
18602 * regclass.c: Likewise.
18603 * regmove.c: Likewise.
18604 * reload.c: Likewise.
18605 * reload1.c: Likewise.
18606 * reorg.c: Likewise.
18607 * resource.c: Likewise.
18608 * stmt.c: Likewise.
18609 * stor-layout.c: Likewise.
18610 * toplev.c: Likewise.
18611 * tree.c: Likewise.
18612 * unroll.c: Likewise.
18613 * genattrtab.c (main): Make generated file include "tm_p.h".
18614 * genemit.c (main): Likewise.
18615 * genoutput.c (main): Likewise.
18616 * genrecog.c (main): Likewise.
18618 * i386.h: Delete all prototypes.
18619 * i386.c: Include "tm_p.h".
18620 (ix86_attr_length_default): Call constant_call_address_operand
18621 with correct number of arguments.
18622 * i386-protos.h: New file.
18623 * i386.md (unnamed patterns): Call constant_call_address_operand
18624 with correct number of arguments.
18625 (exception_receiver): Call load_pic_register with correct number
18628 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18630 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18632 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18634 * rtl.h (insns_safe_to_move_p): New function.
18635 * loop.c (find_and_verify_loops): Use it.
18636 * rtlanal.c (insns_safe_to_move_p): Define it.
18638 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18640 * c-pragma.c: Include ggc.h.
18641 * Makefile.in (c-pragma.o): Update.
18643 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18645 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18646 (LIB_SPEC): Likewise.
18647 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18648 Reindent -YP/-p/-pg.
18649 Copied from config/sparc/sol2.h.
18651 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18653 * c-pragma.c (mark_align_stack): New.
18654 (init_pragma): New.
18655 * c-pragma.h (init_pragma): Declare it.
18656 * c-lex.c (init_parse): Call it.
18658 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18660 * configure.in: Pick up thread library on Solaris/x86 just
18661 like on Solaris/sparc.
18662 * configure: Rebuilt.
18664 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18666 * rtl.h (global_rtx_index): New enum.
18667 (global_rtl): Change to array of rtx.
18668 (pc_rtx, cc0_rtx): Redefine accordingly.
18669 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18670 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18671 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18672 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18673 (const_int_rtx): Change to array of rtx.
18674 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18676 * emit-rtl.c (global_rtl): Change to array of rtx.
18677 (const_int_rtx): Change to aray of rtx.
18678 (gen_rtx_CONST_INT): Redefine accordingly.
18679 (init_emit_once): Allocate and initialize global_rtl. Likewise
18680 for const_int_rtx. Add both as GC roots.
18681 * genattrtab.c (global_rtl): Update declaration.
18683 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18685 * Makefile (USER_H): Add iso646.h back.
18687 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18689 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18690 zapping the LOG_LINKS of sched_before_next_call.
18692 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18693 * pa.c (insn_refs_are_delayed): Renamed from
18694 insn_sets_and_refs_are_delayed.
18696 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18698 * functiion.h (struct function): Add x_whole_function_mode_p.
18699 (retrofit_block): Declare.
18700 * function.c (retrofit_block): New function.
18701 (identify_blocks): Add assertions. Allow an incomplete set of
18702 block notes if we're still generating code for the function.
18703 * integrate.c: Include loop.h.
18704 (expand_inline_function): Call find_loop_tree_blocks to map block
18705 notes to blocks when in whole-function mode. Use retrofit_block
18706 to insert new BLOCKs for the inlined function, rather than
18708 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18709 * Makefile.in (integrate.o): Depend on loop.h.
18711 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18713 * tree.h (warn_about_unused_variables): Declare.
18714 * stmt.c (warn_about_unused_variables): New function, split out
18716 (expand_end_bindings): Here.
18718 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18720 * stmt.c (preserve_subexpressions_p): Don't crash when
18721 current_function->stmt is unset.
18723 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18725 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18726 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18727 (expand_start_target_temps): Use it.
18728 * except.c (expand_eh_region_start_for_decl): Likewise.
18729 * expr.c (expand_expr): Likewise.
18731 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18733 * fold-const.c (operand_equal_p): Pay attention to side effects.
18735 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18737 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18738 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18740 * tlink.c (scan_linker_output): Look for keywords before accepting
18741 a mangled name in quotes.
18743 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18745 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18746 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18748 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18750 * alpha.md: Revert Thu Nov 26 change that came in through the
18751 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18752 Avoid earlyclobber when possible.
18754 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18756 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18758 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18759 Define HAVE_ON_EXIT.
18761 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18763 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18764 CTYPE_CONV in all ctype macros.
18766 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18769 * cexp.y (initialize_random_junk): Likewise.
18771 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18773 * i370.c (handle_pragma): Likewise.
18775 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18777 * v850.c (override_options): Likewise.
18779 * doprint.c (_doprnt): Likewise.
18781 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18784 * fixinc/server.c (load_data): Likewise.
18786 * fold-const.c (real_hex_to_f): Likewise.
18788 * genattr.c (write_upcase, gen_attr): Likewise.
18790 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18791 write_upcase): Likewise.
18793 * genemit.c (print_code): Likewise.
18795 * genopinit.c (gen_insn): Likewise.
18797 * genpeep.c (print_code): Likewise.
18799 * genrecog.c (print_code): Likewise.
18801 * optabs.c (init_libfuncs): Likewise.
18803 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18805 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18807 (reemit_notes): Likewise.
18809 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18811 * ggc.h (ggc_root): Move to ggc-common.c.
18813 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18814 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18815 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18816 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18817 * ggc-common.c (ggc_root): Move from ggc.h.
18818 (roots): Declare, static.
18819 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18820 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18821 null or check/set mark bit.
18822 (ggc_mark_roots): New.
18823 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18825 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18827 * m32r.c: Include toplev.h.
18828 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18829 (gen_compare): Rename swap_p to must_swap to match uses.
18830 Add default abort case.
18831 (m32r_output_function_epilogue): Remove unused variables.
18832 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18833 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18834 define to empty parameter list. Update all uses.
18835 (predicate decls): Use enum machine_mode not int.
18836 * m32r.md (movsi): Call abort, not fatal_insn.
18837 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18839 1999-09-14 Andrew Haley <aph@cygnus.com>
18841 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18842 use $0 instead of 0.
18844 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18846 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18847 computation out of loop over hard regs.
18849 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18851 * function.c (identify_blocks): Don't shadow a variable in an
18853 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18854 pushdecl, or poplevel to build up the new BLOCK tree.
18855 (expand_inline_function): Likewise.
18856 (integrate_parm_decls): Likewise.
18858 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18860 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18862 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18864 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18865 * invoke.texi: Document this change.
18867 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18869 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18871 (mark_emit_status): Renamed from mark_emit_state.
18872 * except.c (mark_eh_status): Renamed from mark_eh_state.
18873 Check not null before marking.
18874 (free_eh_status): New.
18875 * expr.c (mark_expr_status, free_expr_status): New.
18876 * function.c (free_machine_status): New.
18877 (free_after_parsing): New.
18878 (free_after_compilation): Move bits to free_after_parsing; call
18879 free_eh_status, free_expr_status; zero the marked members of the
18881 (prepare_function_start): No can_garbage_collect.
18882 Call init_eh_for_function.
18883 (expand_dummy_function_end): Free up current_function state.
18884 (mark_function_status): Renamed from mark_function_state.
18885 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18886 * function.h (struct function): No can_garbage_collect.
18887 (free_machine_status, free_after_parsing): Declare.
18888 (free_eh_status, free_expr_status): Declare.
18889 * ggc.h (mark_expr_status): Declare.
18890 * stmt.c (free_stmt_status): Free the struct.
18891 (mark_stmt_status): Renamed from mark_stmt_state.
18892 (init_stmt): Don't call init_eh.
18893 (init_stmt_for_function): Don't call init_eh_for_function.
18894 * toplev.c (compile_file): Call init_eh.
18895 (rest_of_compilation): Free basic block info before ggc_collect.
18896 Call free_after_parsing; conditionally call free_after_compilation.
18897 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18898 Check not null before marking.
18899 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18901 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18903 * c-lex.c (yylex): Initialize warn.
18905 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18907 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18908 register when performing secondary reloads for the SAR register.
18910 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18912 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18913 (NOTE_BLOCK): New macro.
18914 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18915 * function.h (identify_blocks): Change prototype.
18916 * function.c (identify_blocks): Simplify.
18917 (reorder_blocks): Likewise.
18918 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18919 NOTE_INSN_BLOCK_{BEG,END}.
18920 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18921 the list of saved notes if the note isn't a
18922 NOTE_INSN_BLOCK_{BEG,END}.
18923 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18925 (reemit_notes): Adjust recreation of notes to reflect new saved
18927 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18928 printing a block note.
18929 * stmt.c (block_vector): Remove.
18930 (find_loop_tree_blocks): Simplify.
18931 (unroll_block_trees): Likewise.
18932 * tree.h (reorder_block): Change prototype.
18934 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
18936 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
18937 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
18938 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
18939 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
18940 (atexit, exit): Simplify.
18941 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
18942 * config/lots: Remove defns of HAVE_ATEXIT.
18944 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
18946 * calls.c (precompute_arguments): Fix typo in comment.
18947 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
18950 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
18952 * dsp16xx.c (override_options): Fix typos in GC root registration.
18954 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
18956 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
18957 from config/svr4.h.
18958 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
18959 (FUNCTION_PROFILER): Redefine appropriately for Linux.
18960 (CC1_SPEC): Likewise.
18962 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18964 * genattr.c (main): Add extern prototype. Call return, not exit.
18965 * genattrtab.c (main): Likewise.
18966 * gencheck.c (main): Likewise.
18967 * gencodes.c (main): Likewise.
18968 * genconfig.c (main): Likewise.
18969 * genemit.c (main): Likewise.
18970 * genextract.c (main): Likewise.
18971 * genflags.c (main): Likewise.
18972 * gengenrtl.c (main): Likewise.
18973 * genopinit.c (main): Likewise.
18974 * genoutput.c (main): Likewise.
18975 * genpeep.c (main): Likewise.
18976 * genrecog.c (main): Likewise.
18978 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
18979 * genattrtab.c (get_insn_name): Likewise.
18980 * gencodes.c (get_insn_name): Likewise.
18981 * genconfig.c (get_insn_name): Likewise.
18982 * genemit.c (get_insn_name): Likewise.
18983 * genextract.c (get_insn_name): Likewise.
18984 * genflags.c (get_insn_name): Likewise.
18985 * genopinit.c (get_insn_name): Likewise.
18986 * genpeep.c (get_insn_name): Likewise.
18988 * gencheck.c (usage): Add static prototype.
18989 * genextract.c (print_path): Constify a char*.
18990 * genopinit.c (optabs): Likewise.
18991 * genoutput.c (operand_data, data, output_predicate_decls,
18992 compare_operands): Likewise.
18993 * genrecog.c (write_tree): Add default case in switch.
18995 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18997 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
18999 * print-rtl.c (get_insn_name): Remove prototype.
19001 * toplev.h (progname): Declare const.
19003 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19004 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19005 dump_sched_info, dump_local_alloc, regset_release_memory,
19006 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19007 error_with_file_and_line, error_with_decl, error_for_asm, error,
19008 fatal, warning_with_file_and_line, warning_with_decl, warning,
19009 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19010 Remove redundant prototypes.
19012 (notice, check_lang_option, report_file_and_line, vnotice,
19013 mark_file_stack): Add static prototype.
19014 (set_fatal_function): Add prototype.
19015 (vnotice, report_file_and_line, set_fatal_function,
19016 check_lang_option): Constify a char*.
19017 (main): Prototype. Call return, not exit.
19019 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19021 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19023 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19025 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19027 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19029 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19031 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19032 behave as if it's zero in all cases.
19033 (expand_function_start): Adjust call to assign_parms.
19034 * tree.h (assign_parms): Adjust prototype.
19035 * objc/objc-act.c (hack_method_prototype): Adjust call to
19038 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19040 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19041 arg_pointer_rtx fixed if the argument pointer register is
19043 (NONZERO_BASE_PLUS_P): Likewise.
19045 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19047 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19048 match_insn2 to match_insn.
19049 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19051 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19053 * Makefile.in (USER_H): Remove va-foo.h.
19055 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19056 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19057 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19058 va-spur.h,va-v850.h}: Remove.
19060 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19062 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19063 (in_return_delay): Use it instead of match_insn.
19065 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19067 * config/alpha/va_list.h (va-alpha.h): Do not include.
19068 (__gnuc_va_list): Typedef as in varargs.h.
19070 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19072 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19073 DECL_LIVE_RANGE_RTL.
19075 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19077 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19078 not NOTE_BLOCK_NUMBER.
19079 (expand_eh_region_end): Likewise.
19080 (find_exception_handler_labels): Likewise.
19081 (scan_region): Likewise.
19082 (exception_optimize): Likewise.
19083 (update_rethrow_references): Likewise.
19084 (set_insn_eh_region): Likewise.
19085 * final.c (final_scan_insn): Likewise.
19086 * flow.c (make_edges): Likewise.
19087 * integrate.c (expand_inline_function): Likewise.
19088 * print-rtl.c (print_rtx): Likewise.
19090 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19092 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19093 terms of builtin functions and types.
19095 * mips.c (mips_build_va_list): New.
19096 (mips_va_start, mips_va_arg): New.
19097 * mips.h (BUILD_VA_LIST_TYPE): New.
19098 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19100 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19101 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19102 * sh.h (BUILD_VA_LIST_TYPE): New.
19103 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19105 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19107 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19108 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19109 (struct insn_data): Likewise with n_operands, n_dups,
19110 n_alternatives, output_format.
19111 * regclass.c (scan_one_insn): Cast n_operands to int before
19112 arithmetic inside comparison.
19114 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19116 * toplev.c (compile_function): Unconditionally emit nop.
19118 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19120 * haifa-sched.c (actual_hazard): Move declaration of variable
19121 `this_cost' into the scope where it is used.
19123 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19125 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19126 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19127 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19129 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19131 * jump.c (find_insert_position): Don't declare or define unless
19132 !HAVE_conditional_arithmetic.
19133 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19135 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19137 * recog.c (offsettable_address_p): Prototype function pointer.
19138 (preprocess_constraints): Call memset, not bzero.
19140 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19141 (gcc_obstack_init): Don't declare.
19142 (fix_sizetype): Add static prototype.
19143 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19144 (tree_cons): Call memset, not bzero.
19146 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19147 definition in macro ASM_WEAKEN_LABEL.
19148 (mark_const_hash_entry): Add static prototype.
19150 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19152 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19154 * unroll.c (find_common_reg_term, subtract_reg_term,
19155 loop_find_equiv_value): Add static prototypes.
19156 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19157 (copy_loop_body): Remove unreachable break statement.
19159 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19161 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19163 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19165 Undo some changes from the gcc2 merge:
19166 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19167 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19171 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19172 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19173 initialized float-int union if the value is a NaN.
19175 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19177 * gthr-win32.h: New file.
19179 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19180 shared as a valid attribute.
19181 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19182 * extend.texi: Document `shared' variable attribute.
19184 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19186 * configure.in: Handle --enable-threads on FreeBSD.
19187 * configure: Rebuit.
19189 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19191 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19193 * configure: Rebuilt.
19195 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19196 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19197 Rosimildo DaSilva <rdasilva@connecttel.com>
19199 * configure.in (m68k-*-rtemscoff*): Added.
19200 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19201 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19202 sparc-rtems configuration.
19203 * configure.in (sparc-*-rtemself*): Added.
19204 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19205 * config/i386/rtems.h: Added comment.
19206 * config/sparc/rtemself.h: New file.
19208 * configure.in (m68k-rtemself): Added.
19209 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19210 and DWARF_DEBUGGING_INFO.
19211 * config/m68k/crti.s: New file.
19212 * config/m68k/crtn.s: New file.
19213 * config/m68k/t-crtstuff: New file.
19214 * config/m68k/rtemself.h: New file.
19216 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19217 global ctor/dtor and C++ exception handling.
19218 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19219 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19221 * config/i386/t-rtems-i386: New File.
19223 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19225 * stmt.c (expand_end_case): Return right away if the case stack is
19228 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19230 * Makefile.in (version.c): Remove rule incorrectly brought in from
19233 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19235 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19236 * msdos/top.sed: Take into account a prepended $(SHELL) to
19238 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19240 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19242 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19244 * regmove.c (fixup_match_1): Don't change an unchanging register.
19245 (stable_but_for_p): Renamed to:
19246 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19247 Changed all callers.
19249 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19251 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19252 insn from BL2 is after the insn from BL.
19254 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19256 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19257 (struct insn_data): Merge `template' and `outfun' into `output'.
19258 Add `output_format'.
19259 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19260 (struct data): Remove `outfun'; add `output_format'.
19261 (name_for_index): Remove declaration.
19262 (output_insn_data): Handle output formats.
19263 (process_template): Emit the bare array for @.
19264 (gen_expand, gen_split): Set output_format to NONE.
19265 * output.h (get_insn_template): Declare.
19266 * final.c (get_insn_template): New.
19267 (final_scan_insn): Use it.
19268 * toplev.c (compile_file): Likewise.
19270 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19271 * i860/i860.c (output_delayed_branch): Likewise.
19272 (output_delay_insn): Likewise.
19274 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19276 * rtl.c (obstack_alloc_rtx): Removed.
19278 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19280 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19282 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19284 * i386.c (call_insn_operand): Reject const_int.
19285 (expander_call_insn_operand): Use call_insn_operand.
19287 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19289 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19291 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19293 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19294 Use DImode operation.
19296 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19298 * gcc.c: Include sys/resource.h.
19299 (report_times): New flag.
19300 (execute): If report_times is set, calculate and report the
19301 CPU time consumed by each subprocess.
19303 (rus, prus): New globals.
19304 (option_map): Add --time.
19305 (display_help): Document -time.
19306 (process_command): Set report_times if -time is given.
19307 Turn off -pipe if -time is given.
19309 * invoke.texi: Document new option -time.
19311 * configure.in: Check for getrusage. Check if we have to
19312 prototype getrusage.
19313 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19314 * configure: Regenerate.
19315 * config.in: Regenerate.
19317 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19319 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19322 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19324 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19325 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19326 (nan): Return _thenan_sf or _thenan_df as appropriate.
19327 (L_thenan_sf): Define _thenan_sf.
19328 (L_thenan_df): Define _thenan_df.
19330 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19331 (DPBIT_FUNCS): Add _thenan_df.
19333 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19335 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19338 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19340 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19343 (lang_specific_driver): Don't take a function pointer parameter.
19344 All callers changed.
19346 * gcc.c: Include gcc.h.
19347 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19348 lang_specific_extra_outfiles, fatal): Don't declare.
19349 (multilib_defaults_raw): Constify.
19350 (read_specs): Call memset, rather than bzero.
19351 (main): Call return, not exit.
19352 (lookup_compiler): Call memcpy, not bcopy.
19353 (fatal): Make extern.
19355 * cppspec.c: Include gcc.h.
19356 (lang_specific_driver): Initialize variable `quote'. Constify a
19357 char*. All calls to the function pointer parameter now
19358 explicitly call `fatal'.
19360 * gccspec.c (lang_specific_driver): Include gcc.h.
19362 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19364 * arm.c (note_invalid_constants): Use recog_data.operand_type
19367 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19369 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19372 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19373 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19374 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19375 reload_secondary_in_reload, reload_secondary_out_reload,
19376 reload_secondary_in_icode, reload_secondary_out_icode,
19377 reload_reg_rtx, reload_when_needed): Delete declarations.
19378 (struct reload): New structure.
19379 (rld): Declare new array.
19380 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19381 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19382 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19383 reload_secondary_in_reload, reload_secondary_out_reload,
19384 reload_secondary_in_icode, reload_secondary_out_icode,
19385 reload_reg_rtx, reload_when_needed): Delete definitions.
19387 (whole file): Replace uses of the deleted arrays with uses of rld.
19388 * reload1.c (whole file): Replace uses of the deleted arrays with
19390 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19391 explicit loops, not with bcopy.
19393 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19395 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19396 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19397 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19398 insn_name): Delete and consolidate into new structures.
19399 (insn_operand_predicate_fn): New.
19400 (insn_output_fn): New.
19401 (insn_gen_fn): New.
19402 (struct insn_operand_data): New.
19403 (struct insn_data): New.
19405 (OUT_FCN): Update for insn_data change.
19406 * builtins.c (expand_builtin_strlen): Likewise.
19407 (expand_builtin_memcmp): Likewise.
19408 * combine.c (make_extraction, simplify_comparison): Likewise.
19409 * cse.c (canon_reg, cse_insn): Likewise.
19410 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19411 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19412 (emit_store_flag): Likewise.
19413 * expr.c (convert_move, emit_block_move): Likewise.
19414 (clear_storage, emit_push_insn, expand_increment): Likewise.
19415 (do_store_flag): Likewise.
19416 * expr.h (GEN_FCN): Likewise.
19417 (insn_gen_function): Die.
19418 * final.c (final_scan_insn): Update for insn_data change.
19419 (output_asm_name): Likewise.
19420 * function.c (fixup_var_refs_1): Likewise.
19421 * loop.c (check_dbra_loop): Likewise.
19422 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19423 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19424 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19425 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19426 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19427 * regmove.c (gen_add3_insn): Likewise.
19428 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19429 (find_reloads, find_reloads_address_1): Likewise.
19430 (debug_reload_to_stream): Likewise.
19431 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19432 * stmt.c (expand_end_case): Likewise.
19433 * toplev.c (compile_file): Likewise.
19435 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19436 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19438 * print-rtl.c (insn_name_ptr): Remove declaration.
19439 (get_insn_name): Declare.
19440 (print_rtx): Use it.
19441 * genoutput.c (insn_name_ptr): Remove.
19442 (next_operand_number): New.
19443 (struct operand_data): New.
19444 (null_operand, odata, odata_end): New.
19445 (struct data): Use struct operand_data.
19446 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19447 (get_insn_name): Renamed from name_for_index.
19448 (output_prologue): Define NO_MD_PROTOTYPES.
19449 (output_predicate_decls): Break out from output_epilogue.
19450 Iterate over the operands list.
19451 (output_operand_data): Break out from output_epilogue. Emit
19452 just the operands list.
19453 (output_insn_data): Break out from output_epilogue. Emit just
19455 (output_epilogue): Remove.
19456 (output_get_insn_name): New.
19457 (constraints, op_n_alternatives, predicates, address_p): Die.
19458 (modes, strict_low, seen): Die.
19459 (scan_operands): Take new param `d' instead of writing to
19460 seven global variables.
19461 (compare_operands): New.
19462 (place_operands): New.
19463 (validate_insn_alternatives): Update for struct data change.
19464 (gen_insn): Don't zero or copy 7 global arrays. Update for
19465 scan_operands; call place_operands.
19466 (gen_peephole, gen_expand, gen_split): Likewise.
19467 (main): Update for new output routines.
19469 * genattr.c (insn_name_ptr): Remove.
19470 (get_insn_name): New function.
19471 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19472 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19473 * genrecog.c: Likewise.
19475 * alpha.md (adddi3): Make `pattern' array static.
19477 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19479 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19480 c4x_cpu_version_string): Constify char *.
19481 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19482 c4x_cpu_version_string): Likewise.
19484 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19486 * tree.c (save_tree_status): Revert 10 Sep change.
19487 (restore_tree_status): Likewise. Call obstack_free with NULL
19488 before freeing the obstack proper.
19490 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19492 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19494 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19495 surrounding context.
19497 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19499 * tree.c (type_hash_canon): Put all types in the hash-table, when
19502 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19504 * recog.h (struct recog_data, recog_data): New.
19505 (recog_foo variables): Kill.
19506 * recog.c (recog_operand, recog_operand_loc): Kill.
19507 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19508 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19509 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19510 (recog_data): Define.
19511 (extract_insn): Update all recog_foo references to use recog_data.
19512 (preprocess_constraints, constrain_operands): Likewise.
19513 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19514 * genattrtab.c (main): Likewise.
19515 * genextract.c (main): Likewise.
19516 * genoutput.c: Likewise.
19517 * genrecog.c (write_subroutine, main): Likewise.
19518 * local-alloc.c (block_alloc): Likewise.
19519 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19520 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19521 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19522 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19523 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19524 (reload_cse_simplify_operands): Likewise.
19526 * arc/arc.c (arc_final_prescan_insn): Likewise.
19527 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19528 * h8300/h8300.c (notice_update_cc): Likewise.
19529 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19530 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19531 * mn10200/mn10200.c (notice_update_cc): Likewise.
19532 * mn10300/mn10300.c (notice_update_cc): Likewise.
19533 * romp/romp.c (update_cc): Likewise.
19534 * sparc/sparc.c (check_pic): Likewise.
19535 * v850/v850.c (notice_update_cc): Likewise.
19537 * genemit.c (main): Don't declare recog_operand.
19539 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19541 * ggc.h (rtvec_def): Forward declare.
19542 (tree_node): Likewise.
19543 (ggc_root): Define.
19545 (ggc_set_mark_rtx): Add prototype.
19546 (ggc_set_mark_rtvec): Likewise.
19547 (ggc_set_mark_tree): Likewise.
19548 * ggc-simple.c (ggc_root): Don't define.
19549 (roots): Don't declare.
19550 (ggc_mark_rtx): Remove.
19551 (ggc_mark_rtvec): Likewise.
19552 (ggc_mark_tree): Likewise.
19553 (ggc_mark_varray): Likewise.
19554 (ggc_mark_tree_hash_table_entry): Likewise.
19555 (ggc_mark_tree_hash_table): Likewise.
19556 (ggc_set_mart_rtx): New function.
19557 (ggc_set_mark_rtvec): Likewise.
19558 (ggc_set_mark_tree): Likewise.
19559 (ggc_add_root): Remove.
19560 (ggc_add_rtx_root): Likewise.
19561 (ggc_remove_tree_root): Likewise.
19562 (ggc_add_string_root): Likewise.
19563 (ggc_add_tree_varray_root): Likewise.
19564 (ggc_add_tree_hash_table_root): Likewise.
19565 (ggc_del_root): Likewise.
19566 (ggc_mark_rtx_ptr): Likewise.
19567 (ggc_mark_tree_ptr): Likewise.
19568 (ggc_mark_string_ptr): Likewise.
19569 (ggc_mark_tree_varray_ptr): Likewise.
19570 (ggc_mark_tree_hash_table_ptr): Likewise.
19571 * ggc-common.c: New file.
19572 * Makefile.in (OBJS): Add ggc-common.o.
19573 (ggc-common.o): List dependencies.
19575 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19577 * cppalloc.c (xstrdup): Use memcpy.
19578 * cpperror.c (cpp_print_containing_files): Don't use
19580 * cpplib.c (conditional_skip): Set temp->lineno.
19581 (do_endif): Make error message less obscure.
19582 (if_directive_name): New function.
19583 (cpp_get_token [case EOF]): Unwind the if stack and generate
19584 error messages for each unterminated conditional in this file.
19585 (parse_string): Do not behave differently if -traditional.
19587 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19589 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19590 va_list decomposing to pointer-type.
19591 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19592 (rs6000_va_arg): Likewise.
19594 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19596 * except.c (start_dynamic_handler): Compute size using
19597 STACK_SAVEAREA_MODE.
19599 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19601 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19602 include directory headers. Don't define strrchr. Don't provide
19603 my_* replacement functions. Prefer PTR over `pointer_type'.
19604 Don't prototype system functions. Don't redefine getopt.
19606 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19607 safe_read, safe_write, save_pointers, restore_pointers,
19608 is_id_char, in_system_include_dir, directory_specified_p,
19609 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19610 find_corresponding_lparen, referenced_file_is_newer,
19611 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19612 process_aux_info_file, identify_lineno, check_source,
19613 seek_to_line, forward_to_next_token_char, output_bytes,
19614 output_string, output_up_to, other_variable_style_function,
19615 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19616 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19617 find_static_definition, connect_defs_and_decs, add_local_decl,
19618 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19619 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19620 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19621 scan_for_missed_items, edit_file, string_list_cons): Add static
19623 (standard_exec_prefix, target_machine, target_version,
19624 default_syscalls_dir, string_list, string_list_cons, find_file,
19625 do_cleaning): Constify a char*.
19626 (safe_read, safe_write): Use PTR, not a char*.
19627 (is_id_char): Take an int, not a char.
19628 (main): Add prototype. Call return, not exit.
19630 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19632 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19633 when comparing types.
19635 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19637 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19638 (strength_reduce): Release the varrays from the no-bivs early exit.
19640 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19641 the loop over the registers.
19643 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19645 (restore_tree_status): Check that instead when freeing the obstack.
19647 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19649 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19652 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19654 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19655 operand size modifiers.
19657 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19659 * c-common.c (c_common_nodes_and_builtins): Don't build
19661 * c-common.h (enum c_tree_index and related accesor macros): Remove
19662 everything now declared in tree.h.
19663 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19664 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19665 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19666 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19667 unsigned_type_node, ptr_type_node, va_list_type_node,
19668 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19669 (init_decl_processing): Call build_common_tree_nodes and
19670 build_common_tree_nodes_2 instead of building their nodes here.
19671 Don't add roots for these nodes.
19672 * stor-layout.c (size_zero_node, size_one_node): Delete.
19673 (set_sizetype): Make a new node for bitsizetype each time.
19674 * tree.c (global_trees): New variable.
19675 (init_obstacks): Add a gc root for it.
19676 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19677 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19678 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19679 (build_common_tree_nodes): New function.
19680 (fix_sizetype): New function.
19681 (build_common_tree_nodes_2): New function.
19682 * tree.h (enum tree_index): New.
19683 (global_trees): Declare.
19684 Add accessor macros for all nodes now moved to global_trees.
19685 Delete their declarations.
19687 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19689 * c-decl.c (finish_function): When processing a nested function,
19690 push and pop GC context around rest_of_compilation.
19692 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19694 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19695 Default ix86_arch to PROCESSOR_I386.
19696 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19697 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19698 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19699 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19700 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19701 (EXTRA_SPECS): Remove deleted specs.
19703 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19705 * function.c (assign_stack_local_1): Allocate from
19706 function->x_frame_offset, not frame_offset.
19708 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19710 * ggc.h (lang_cleanup_tree): Remove.
19711 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19712 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19714 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19715 TYPE_LANG_SPECIFIC when garbage collecting.
19716 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19717 (lang_cleanup_tree): Remove.
19719 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19721 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19722 * crtstuff.c: Not here.
19723 * dwarf2out.c: Or here.
19724 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19727 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19729 * function.h (free_after_compilation): Remove decl parameter.
19730 (free_varasm_status0: Likewise.
19731 (free_emit_status): Likewise.
19732 (free_stmt_status): Likewise.
19733 (free_after_compilation): Likewise.
19734 (init_lang_status): New variable.
19735 (free_lang_status): Likewise.
19736 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19737 * function.c (init_lang_status): New variable.
19738 (free_lang_status): Likewise.
19739 (push_function_context_to): Don't set function::decl here.
19740 (free_after_copmilation): Make decl parameter implicit. Call
19741 free_lang_status if defined.
19742 (prepare_function_start): Call init_lang_status if defined.
19743 (init_function_start): Set function::decl here.
19744 * profile.c (output_func_start_profiler): Don't call pushdecl
19745 until we've actually started the function.
19746 * stmt.c (free_stmt_status): Make decl parameter implicit.
19747 * toplev.c (rest_of_compilation): Don't pass decl to
19748 free_after_compilation.
19749 * varasm.c (free_varasm_status): Likewise.
19751 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19753 * except.c (call_get_eh_context): Add root when allocating static
19756 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19758 * arm.c: Include "ggc.h".
19759 (arm_add_gc_roots): New function.
19760 (arm_override_options): Call it.
19761 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19763 * arm.md (define_asm_attributes): Add a pool_range attribute.
19765 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19767 * extend.texi (Volatiles): New node.
19769 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19771 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19772 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19773 (struct ggc_any): Replace `mark' with `magic_mark'.
19774 (ggc_alloc_string): Use memcpy, not bcopy.
19775 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19776 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19777 (ggc_free_any): New.
19778 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19779 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19780 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19781 Use IS_MARKED. Use ggc_free_any.
19783 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19785 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19787 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19789 * toplev.c (main): Always init_ggc.
19791 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19793 * except.c (find_all_handler_type_matches): Free the list if
19794 we found no matches.
19796 * combine.c (SUBST): Break out to a real function do_SUBST.
19797 (SUBST_INT): Likewise.
19798 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19799 (pre_insert): Free `inserted'.
19800 * loop.c (basic_induction_var): Always set `location'.
19802 * function.c (expand_function_end): Add initial_trampoline as a root.
19803 * rtl.h (init_varasm_once): Declare.
19804 * toplev.c (compile_file): Call it.
19805 * ggc-simple.c (ggc_mark_string_ptr): New.
19806 (ggc_add_string_root): New.
19807 (ggc_collect): Disable collection avoidance temporarily.
19808 * ggc.h (ggc_add_string_root): Declare.
19809 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19810 * optabs.c (init_libfuncs): Likewise.
19811 * varasm.c (named_section): Use ggc_alloc_string.
19812 (make_function_rtl): Likewise.
19813 (make_decl_rtl): Likewise.
19814 (assemble_static_space): Likewise.
19815 (assemble_trampoline_template): Likewise.
19816 (output_constant_def): Likewise.
19817 (force_const_mem): Likewise.
19818 (mark_const_hash_entry): New.
19819 (mark_pool_sym_hash_table): New.
19820 (mark_varasm_state): Use it.
19821 (init_varasm_once): New.
19823 * expr.h (init_one_libfunc): Declare.
19824 * optabs.c (init_one_libfunc): New.
19825 (init_optabs): Use it.
19826 * config/gofast.h: Likewise.
19827 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19828 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19830 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19832 * Makefile.in (cppexp.o): Depend on cpphash.h.
19833 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19835 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19836 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19837 redefining poisoned identifiers, etc.
19838 (do_undef): Don't allow poisoned identifiers to be undefined.
19839 (do_pragma): Add #pragma poison.
19840 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19842 * cccp.c: Add T_POISON node type.
19843 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19845 (do_define): Generalise to handle poisoned definitions,
19846 redefining poisoned identifiers, etc.
19847 (do_undef): Don't allow poisoned identifiers to be undefined.
19848 (do_pragma): Add #pragma poison.
19849 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19851 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19852 * c-pragma.h: Add ps_poison state. We now always have generic
19855 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19857 * ggc.h (ggc_alloc): New function.
19858 (ggc_mark): Likewise.
19859 * ggc-simple.c (ggc_any): New structure.
19860 (ggc_status): Add anys.
19861 (n_anys_collected): New variable.
19862 (ggc_alloc): Define.
19863 (ggc_mark): Likewise.
19864 (ggc_collect): Collect the anys.
19866 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19868 * c-decl.c (mark_binding_level): Make static to match prototype.
19870 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19872 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19874 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19876 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19877 will use into account. Expand the max width to 5.
19880 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19882 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19883 for the rtx length.
19885 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19887 * alpha.md (call value patterns): Remove the result predicates.
19889 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19891 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19894 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19896 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19897 changed from extern char *, to extern PTR. Also fix typo in
19898 NEED_DECLARATION_REALLOC test.
19900 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19902 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19904 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19905 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19906 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19907 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19909 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19911 * cccp.c (pcfinclude): Likewise.
19913 * global.c (allocno_compare): Likewise.
19915 * haifa-sched.c (rank_for_schedule): Likewise.
19917 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19919 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19921 * stupid.c (stupid_reg_compare): Likewise.
19923 * tree.c (_obstack_allocated_p): Likewise.
19925 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19927 1999-09-08 Bruce Korb autogen@linuxbox.com
19929 * Makefile.in: Give the hapless gperf user a hint about
19930 why "gperf -F" fails.
19932 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
19934 * lists.c: Include ggc.h.
19936 (init_EXPR_INSN_LIST_cache): Install it.
19938 * ggc-simple.c (init_ggc): Absorb the old init.
19939 (ggc_push_context): Use xcalloc.
19940 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
19941 (ggc_collect): Add [rvts] tags to the collection stats.
19943 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
19945 * cccp.c (main): Fix handling of -include and -imacros options.
19947 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
19949 * cpplib.c (cpp_push_buffer): Fix order of arguments.
19951 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19953 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
19956 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19958 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
19959 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
19960 and SET_DEST. Update comment.
19962 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19964 * config/c4x/c4x.c: Include ggc.h.
19965 (c4x_add_gc_roots): New function.
19966 (c4x_override_options): Call c4x_add_gc_roots.
19968 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
19970 * defaults.h (TARGET_ESC): Move ...
19971 * system.h: ... here, where Linas had it in the first place. Silly me.
19973 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
19975 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
19976 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
19977 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
19978 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
19979 * defaults.h (TARGET_ESC): Add default.
19981 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
19983 * configure.in: add i370-*-openedition, i370-*-mvs and
19984 i370-*-linux targets
19986 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
19988 * dsp16xxx.c: Include ggc.h
19989 (override_options): Mark GC roots.
19990 * mn10200.c: Include ggc.h.
19991 (asm_file_start): Mark GC roots.
19992 * tahoe.c: Include ggc.h.
19993 (extensible_operand): Mark GC roots.
19995 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
19997 * README: Add section discussing status of ELF ABI.
19998 * i370.c: Fix misc spelling mistakes.
19999 (i370_label_scan): Updated notes, exception handling.
20000 (i370_function_prolog): Simplify ELF stack handling.
20001 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20002 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20003 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20004 * i370.md: (movdi): Add notes.
20005 (floatsidf2): Use stack not rtca for scratch float area.
20006 (iorsi3): Correct operand constraints.
20007 * x-oe: Restore TAROUTOPTS which are used by pax.
20009 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20011 * rs6000.c: Include ggc.h.
20012 (rs6000_add_gc_roots): New function.
20013 (override_options): Call it.
20015 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20017 * alpha.h (alpha_compare): New.
20018 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20019 * alpha.c: Likewise for the definitions.
20020 (alpha_emit_conditional_branch): Update for alpha_compare.
20021 (alpha_emit_conditional_move): Likewise.
20022 * alpha.md (cmpdf, cmpdi): Likewise.
20023 (setcc patterns): Likewise. Zero alpha_compare after use.
20024 (sne): Optimize (x != 0) into (0U < x).
20026 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20028 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20029 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20030 (INIT_EXPANDERS): Remove.
20031 * alpha.c: Include ggc.h.
20032 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20033 (alpha_init_machine_status, alpha_mark_machine_status): New.
20034 (override_options): Install them.
20035 (struct machine_function): Moved to alpha.h.
20036 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20037 (alpha_init_expanders): Remove.
20038 (alpha_return_addr): Adjust to use current_function->machine.
20039 (alpha_ra_ever_killed): Likewise.
20040 (alpha_expand_epilogue): Likewise.
20041 * alpha.md (eh_epilogue): Likewise.
20043 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20044 Melissa O'Neill <oneill@cs.sfu.ca>
20045 Geoffrey Keating <geoffk@cygnus.com>
20047 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20048 call-used registers (call-saved registers must still be contiguous
20049 and end with r31, of course).
20051 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20053 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20054 (self_promoting_type_p): Delete.
20055 (self_promoting_args_p): Move ...
20056 * c-common.c: ... here.
20057 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20058 (simple_type_promotes_to): New.
20059 * builtins.c (lang_type_promotes_to): New.
20060 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20061 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20062 * c-common.h: ... here.
20063 (self_promoting_args_p, simple_type_promotes_to): Declare.
20064 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20065 (grokdeclarator): Likewise.
20066 * tree.h (lang_type_promotes_to): Declare.
20068 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20070 Add some machine-dependent GC roots.
20071 * sparc.c: Include ggc.h.
20072 (sparc_add_gc_roots): New function.
20073 (mark_ultrasparc_pipeline_state): Likewise.
20074 (override_options): Call sparc_add_gc_roots.
20075 * pa.c: Include ggc.h.
20076 (pa_add_gc_roots): New function.
20077 (mark_deferred_plabels): Likewise.
20078 (override_options): Call pa_add_gc_roots.
20079 * mips.c: Include ggc.h.
20080 (mips_add_gc_roots): New function.
20081 (override_options): Use it.
20083 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20085 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20087 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20088 cpp_parse_expr): Add static prototypes.
20089 (parse_charconst): Don't cast away const-ness.
20090 (token): Constify a char*.
20092 * cppfiles.c (file_name_list, include_hash, find_include_file,
20093 finclude, initialize_input_buffer): Constify a char*.
20094 (file_cleanup, find_position): Add static prototypes.
20096 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20097 collect_expansion): Add static prototypes.
20098 (cpp_install, create_definition, monthnames): Constify a char*.
20100 * cpphash.h (cpp_install): Likewise.
20102 * cppinit.c (known_suffixes, default_include,
20103 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20104 (base_name, dump_special_to_buffer, initialize_dependency_output):
20105 Add static prototypes.
20107 * cpplib.c (my_strerror): Constify a char*.
20108 (null_underflow, null_cleanup, skip_comment, copy_comment,
20109 copy_rest_of_line, handle_directive, pass_thru_directive,
20110 get_directive_token, read_line_number, cpp_print_file_and_line,
20111 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20112 v_cpp_warning_with_line, detect_if_not_defined,
20113 consider_directive_while_skipping): Add static prototypes.
20114 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20115 cpp_pedwarn_with_file_and_line): Constify a char*.
20117 * cpplib.h (cpp_options, include_hash, progname, definition,
20118 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20119 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20120 find_include_file, deps_output, include_hash): Constify a char*.
20122 * cppmain.c (progname): Constify.
20123 (main): Add prototype. Use return, not exit.
20125 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20126 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20127 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20128 check_protection): Add static prototype.
20130 (progname, recognized_macrom, recognized_extern): Constify a char*.
20131 (main): Add prototype.
20133 * gen-protos.c (progname): Constify a char*.
20135 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20137 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20138 (init_emit_once): Add more GC roots.
20139 * except.c (mark_func_eh_entry): New function.
20140 (mark_eh_node): Mark false_label and rethrow_label.
20141 (init_eh): Add more GC roots.
20142 * function.c (free_after_compilation): Take decl as a paramter.
20143 Call free_stmt_status.
20144 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20146 * function.h (free_after_compilation): Change prototype.
20147 (free_varasm_status): Likewise.
20148 (free_emit_status): Likewise.
20149 (free_stmt_status): New function.
20150 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20151 Remove, replacing with ...
20152 (ggc_status): New structure.
20153 (ggc_chain): New variable.
20154 (init_gcc): Define.
20155 (ggc_push_context): New function.
20156 (ggc_pop_context): Likewise.
20157 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20158 (ggc_alloc_rtvec): Likewise.
20159 (ggc_alloc_tree): Likewise.
20160 (ggc_alloc_string): Likewise.
20161 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20162 (ggc_mark_tree): Give language-dependent code a chance to mark
20164 (ggc_mark_tree_varray): Handle empty arrays.
20165 (ggc_collect): Adjust for use of ggc_chain. Clear
20166 bytes_alloced_since_last_gc.
20167 * ggc.h (ggc_pop_context): New function.
20168 (ggc_push_context): Likewise.
20169 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20170 * stmt.c (free_stmt_status): New function.
20171 (init_stmt_for_function): Clear last_expr_value.
20172 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20173 Conditionalize call to ggc_collect.
20174 (main): Call init_ggc.
20175 * tree.c (push_obstacks): Do the push, even when GC'ing.
20176 (push_obstacks_nochange): Likewise.
20177 (pop_obstacks): Liekwise.
20178 * varasm.c (free_varasm_status): Take decl as a parameter.
20180 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20182 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20183 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20184 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20185 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20187 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20189 * pa/x-pa-mpeix: New file for the MPE port.
20191 * pa/quadlib.asm: New file for long double support.
20193 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20194 * configure: Rebuilt.
20196 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20198 * final.c (shorten_branches): Fix last change.
20200 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20202 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20204 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20206 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20209 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20211 * c-aux-info.c (concat): Don't define.
20213 * cccp.c (my_strerror): Likewise. All callers changed to use
20215 (do_include): Call xstrdup, not xmalloc/strcpy.
20216 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20217 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20219 * collect2.c (my_strsignal): Likewise. All callers changed to use
20221 (locatelib): Call xstrdup, not xmalloc/strcpy.
20223 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20225 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20227 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20229 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20231 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20233 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20235 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20237 (find_all_handler_type_matches): Likewise. Don't check return
20239 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20240 xmalloc, not malloc.
20241 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20243 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20244 (init_spec): Call xcalloc, not xmalloc/bzero.
20245 (set_spec): Call xstrdup, not save_string.
20246 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20247 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20248 (process_command): Call xstrdup, not save_string.
20249 (main): Call xcalloc, not xmalloc/bzero.
20251 * gcov.c (xmalloc): Don't define.
20252 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20253 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20254 (output_data): Call xcalloc, not xmalloc/bzero.
20256 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20258 * mips-tdump.c (xmalloc): Don't define.
20259 (print_symbol): Call xmalloc, not malloc.
20260 (read_tfile): Call xcalloc, not calloc.
20262 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20263 Don't define. All callers of xfree/my_strsignal changed to use
20264 free/strsignal instead.
20265 (allocate_cluster): Call xcalloc, not calloc.
20267 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20268 Fix memory leak, free allocated memory.
20270 * prefix.c (translate_name): Call xstrdup, not save_string.
20271 (update_path): Likewise.
20273 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20275 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20276 Don't define. Callers of xfree/savestring2 changed to use
20277 free/concat instead.
20279 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20280 (init_elim_table): Likewise.
20282 * resource.c (init_resource_info): Likewise.
20284 * stupid.c (stupid_life_analysis): Likewise.
20286 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20287 (open_dump_file): Call concat, not xmalloc/strcpy/...
20288 (clean_dump_file): Likewise.
20289 (compile_file): Call xstrdup, not xmalloc/strcpy.
20291 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20293 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20294 * v850.c (v850_va_arg): New.
20296 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20298 * haifa-sched.c: Tidy comments.
20300 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20302 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20303 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20304 $(out_object_file)): Depend on ggc.h.
20305 * c-common.c: Include "ggc.h".
20306 (combine_strings): If doing GC, use ggc_alloc_string.
20307 * c-decl.c: Include "ggc.h".
20308 (ggc_p): Define with value 0.
20309 (mark_binding_level): New function.
20310 (init_decl_processing): Add GC roots.
20311 (mark_c_function_context): New function.
20312 (lang_mark_false_label_stack): New function.
20313 (lang_mark_tree): New function.
20314 (lang_cleanup_tree): New function.
20315 * c-lang.c: Include "ggc.h".
20316 (lang_init): Call c_parse_init.
20317 * c-lex.c: Include "ggc.h".
20318 (check_linenum): If doing GC, don't copy filenames to permanent
20320 * c-parse.in: Include "ggc.h".
20321 (c_parse_init): New function.
20322 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20323 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20325 * except.c (mark_eh_state): Mark more state.
20326 * function.c (mark_function_state): Likewise.
20327 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20328 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20329 * toplev.c (mark_file_stack): New function.
20330 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20331 (main): Add root for input_file_stack.
20333 * i386.c: Include "ggc.h".
20334 (ix86_mark_machine_status): New function.
20335 (override_options): Set mark_machine_status.
20337 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20339 * tree.c (copy_node): Copy node contents also if doing GC.
20341 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20343 * collect2.c (scan_libraries): Fix double-thinko :-).
20345 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20347 * collect2.c (scan_libraries): Fix thinko.
20349 * cse.c (delete_trivially_dead_insns): Do not skip the last
20350 insn if it is a real insn.
20352 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20354 * Makefile.in (ggc-simple.o): Depend on hash.h.
20355 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20356 (ggc_mark_tree_varray): Likewise.
20357 (ggc_mark_tree_hash_table): Likewise.
20358 * ggc-simple.c: Include hash.h.
20359 (ggc_mark_tree_hash_table_ptr): New function.
20360 (ggc_mark_tree_hash_table_entry): Likewise.
20361 (ggc_mark_tree_hash_table): Likewise.
20362 (ggc_add_tree_hash_table_root): Likewise.
20363 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20364 rtx, when defining fields.
20366 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20368 * profile.c (output_func_start_profiler): Remove apparently
20369 nonsensical call to start_sequence.
20371 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20373 * clipper/clipper.c (clipper_va_start): Fix typos.
20375 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20376 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20377 (spur_va_arg): New stub.
20379 * configure.in: Comment out pyramid.
20381 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20383 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20384 don't conflict with the bits that win32, cygwin, and dgux
20387 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20388 Bernd Schmidt <bernds@cygnus.co.uk>
20390 * integrate.c (function_cannot_inline_p): Do not inline
20391 functions with forced labels.
20393 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20394 Bernd Schmidt <bernds@cygnus.co.uk>
20395 Mark Mitchell <mark@codesourcery.com>
20397 * Makefile.in (ggc-simple.o): Depend on varray.h.
20398 (rtl.o): Depend on ggc.h.
20399 (genattrtab.o): Depend on ggc.h.
20400 (print-tree.o): Likewise.
20401 (fold-const.o): Likewise.
20402 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20403 (make_insn_raw): Don't cache insns when GC'ing.
20404 (emit_insn_before): Likewise.
20405 (emit_insn_after): Likewise.
20406 (emit_insn): Likewise.
20407 (start_sequence): Use xmalloc to allocate the sequence_stack.
20408 (end_sequence): Add free to free it.
20409 (gen_sequence): Don't cache insns when GC'ing.
20410 (clear_emit_caches): Don't use sequence_element_free_list.
20411 (init_emit): Use xcalloc, not xmalloc+bzero.
20412 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20413 * function.c (pop_function_context_from): Use free to free the
20414 fixup_var_refs_queue.
20415 (put_reg_into_stack): Allocate it with xmalloc.
20416 * genattrtab.c: Include ggc.h.
20417 (operate_exp): Don't use obstack_free when GC'ing.
20418 (simplify_cond): Likewise.
20419 (simplify_text_exp): Likewise.
20420 (optimize_attrs): Likewise.
20421 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20423 (gencode): Generate a #include for ggc.h.
20424 * ggc-callbacks.c (ggc_p): Define it to zero.
20425 * ggc-none.c (ggc_p): Likewise.
20426 * ggc-simple.c: Include varray.h.
20427 (ggc_mark_tree_varray): New function.
20428 (ggc_add_tree_varray_root): Likewise.
20429 (ggc_mark_tree_varray_ptr): Likewise.
20430 * ggc.h (ggc_p): Declare.
20431 (varray_head_tag): Likewise.
20432 (ggc_add_tree_varray_root): Declare.
20433 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20434 inconsistencies when GC'ing.
20435 * rtl.c: Include ggc.h.
20436 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20437 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20438 (rtx_free): Don't call obstack_free when GC'ing.
20439 * toplev.c (rest_of_compilation): Call ggc_collect after every
20441 * tree.c (push_obstacks): Do nothing, if GC'ing.
20442 (pop_obstacks_nochange): Likewise.
20443 (pop_obstacks): Likewise.
20444 (make_node): Use ggc_alloc_tree when GC'ing.
20445 (copy_node): Likewise.
20446 (get_identifier): Use ggc_alloc_string when GC'ing.
20447 (build_string): Likewise.
20448 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20449 (tree_cons): Likewise.
20450 (build1): Likewise.
20451 (type_hash_canon): Don't call obstack_free when GC'ing.
20453 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20455 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20456 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20458 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20459 Bernd Schmidt <bernds@cygnus.co.uk>
20460 Mark Mitchell <mark@codesourcery.com>
20462 * Makefile.in (stor-layout.o): Depend on ggc.h.
20463 (expr.o): Depend on ggc.h.
20464 (profile.o): Depend on ggc.h.
20465 (stor-layout.o): Depend on ggc.h.
20466 * emit-rtl.c (init_emit_once): Add gc roots.
20467 * expr.c: Include ggc.h.
20468 (emit_block_move): Add gc roots.
20469 (clear_storage): Likewise.
20470 * expr.h (init_stor_layout_once): New function.
20471 * profile.c: Include ggc.h.
20472 (init_arc_profiler): profiler_label is a root.
20473 * scan.c (make_sstring_space): Trust xrealloc to function
20474 correctly with first parameter NULL.
20475 * stor-layout.c: Include ggc.h.
20476 (set_sizetype): Add gc root.
20477 (init_stor_layout_once): New function.
20478 * toplev.c (compile_file): Call it.
20480 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20481 Bernd Schmidt <bernds@cygnus.co.uk>
20482 Mark Mitchell <mark@codesourcery.com>
20484 * Makefile.in (tree.o): Depend on ggc.h.
20485 (varasm.o): Likewise.
20486 (function.o): Likewise.
20487 (stmt.o): Likewise.
20488 (except.o): Likewise.
20489 (optabs.o): Likewise.
20490 (emit-rtl.o): Likewise.
20491 * emit-rtl.c: Include ggc.h.
20492 (sequence_element_free_list): Remove, and all references.
20493 (mark_sequence): New functions.
20494 (mark_emit_state): New function.
20495 * except.c: Include ggc.h.
20496 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20497 (mark_tree_label_node): New functions.
20498 (mark_eh_state): New function.
20499 * function.c: Include ggc.h.
20500 (mark_temp_slot, mark_function_chain): New functions.
20501 (mark_function_state): New function.
20502 (init_function_once): New function.
20503 * function.h (init_function_once): New function.
20504 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20505 * ggc.h (label_node): Declare.
20506 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20507 (lang_mark_false_label_stack): New function.
20508 (mark_temp_slot): Remove declaration.
20509 (mark_function_chain): Likewise.
20510 (mark_eh_state): Adjust prototype.
20511 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20513 * optabs.c: Include ggc.h.
20514 (mark_optab): New function.
20515 (init_optabs): Add gc roots.
20516 * stmt.c: Include ggc.h.
20517 (mark_cond_nesting, mark_loop_nesting): New functions.
20518 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20519 (mark_stmt_state): New function.
20520 * toplev.c (compile_file): Call init_function_once.
20521 * tree.c: Include ggc.h.
20522 (type_hash): Move declaration earlier in file.
20523 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20524 (init_obstacks): Add gc roots.
20525 (mark_type_hash): New function.
20526 * varasm.c: Include ggc.h.
20527 (mark_pool_constant): New function.
20528 (mark_varasm_state): New function.
20530 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20532 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20534 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20536 * c-decl.c (struct language_function): Renamed from struct c_function.
20538 (c_function_chain): Delete.
20539 (push_c_function_context): New arg F. Don't warn about nested
20540 functions here. Fill LANGUAGE elt of F. Delete code to update
20541 c_function_chain. Don't call push_function_context.
20542 (pop_c_function_context): New arg F. Restore from there instead of
20543 from c_function_chain. Don't call pop_function_context. Clear out
20544 LANGUAGE field of F when done.
20545 * c-lang.c: Include "function.h"
20546 (lang_init): Initialize save_lang_status and restore_lang_status.
20547 * c-parse.in (nested_function, nested_function_notype): Warn about
20548 nested functions. Call push_function_context/pop_function_context
20549 instead of the _c_ variants.
20550 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20552 * Makefile.in (c-lang.o): Update dependencies.
20554 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20555 regno_pointer_flag, regno_pointer_align.
20556 (gen_reg_rtx): Use xrealloc to enlarge them.
20557 (free_emit_status): New function.
20558 * function.c (mark_machine_status, mark_lang_status): New variables.
20559 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20560 in some bits from assign_stack_local. All callers changed to use new
20562 (assign_stack_local): Just call assign_stack_local_1.
20563 (free_after_compilation): New function.
20564 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20565 (trampoline_address): Likewise.
20566 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20567 (prepare_function_start): Explicitly clear some more variables.
20568 * function.h (struct function): New elt can_garbage_collect.
20569 (mark_machine_status, mark_lang_status): Declare variables.
20570 (free_after_compilation, free_emit_status, free_varasm_status,
20571 init_varasm_status): Declare functions.
20572 * toplev.c (rest_of_compilation): Call free_after_compilation when
20573 done with the current function.
20574 * varasm.c (free_varasm_status): New function.
20576 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20578 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20579 (EXPAND_BUILTIN_VA_ARG): Define.
20580 * sparc.c (sparc_va_start): New.
20581 (sparc_va_arg): New.
20583 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20585 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20587 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20589 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20591 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20593 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20594 (OBJS): Add $(GGC).
20595 (ggc-callbacks.o): New target.
20596 * ggc-callbacks.c: New file.
20598 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20600 * expr.h: Collapse individual optab and libfunc vars to arrays.
20601 (optab_index, libfunc_index): New enumerations.
20602 (optab_table, libfunc_table): New arrays.
20603 Add accessor macros for both.
20605 * optabs.c (optab_table, libfunc_table): New.
20606 Delete declarations for individual optab and libfunc vars.
20608 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20610 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20612 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20614 * Makefile.in (GGC, GGC_LIB): New.
20615 (HOST_RTL): Include ggc-none.o.
20616 (ggc-simple.o): New target.
20617 (ggc-none.o): Likewise.
20618 * tree.h (tree_common): Add gc_mark.
20619 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20620 (struct rtvec_def): Add gc_mark.
20621 * emit-rtl.c (global_rtl): Update static initializers to contain
20622 enough initializers.
20623 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20624 * toplev.c (gc_time): New variable.
20625 (all_time): New variable.
20626 (compile_file): Print gc time.
20627 (print_time): Calculate percentage of the whole.
20629 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20631 Change obstack memory management and varasm constant pool handling so
20632 that nested functions are treated like any other functions.
20633 * function.c (init_machine_status): New variable.
20634 (push_function_context_to): Set contains_functions for the outer
20635 function. Don't call save_varasm_status.
20636 (pop_function_context_from): Don't call restore_varasm_status. Don't
20637 set current_function_contains_functions.
20638 (prepare_function_start): Call init_varasm_status rather than
20639 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20641 * function.h (struct function) Add field varasm. Delete fields
20642 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20643 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20644 (init_machine_status): Declare.
20645 (save_varasm_status, restore_varasm_status): Delete declarations.
20646 (save_tree_status, restore_tree_status): Delete last argument.
20647 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20648 code. All callers changed.
20649 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20650 save_constants_in_decl_trees, restore_constants, save_constants,
20651 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20653 (inlining): New variable.
20654 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20655 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20657 (save_for_inline_nocopy): Don't save constants.
20658 Don't set inl_emit field in current_function.
20659 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20660 function. Set new variable inlining before
20661 calling copy_rtx_and_substitute.
20662 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20663 constant pool references if inlining is nonzero.
20664 Delete ADDRESS and (most of the) CONST cases.
20665 (output_inline_function): Save and restore current_function/
20666 current_function_decl. Delete restore_constants code. Don't call
20667 init_const_rtx_hash_table.
20668 * output.h (init_const_rtx_hash_table): Don't declare.
20669 * rtl.h (struct function): Declare.
20670 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20671 * toplev.c (rest_of_compilation): Don't treat nested functions or
20672 functions containing them specially. Delete all code to deal with
20673 save_for_inline_copying.
20674 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20675 inline_obstacks): Delete variables.
20676 (save_tree_status): Lose arg CONTEXT. All callers changed.
20677 Simply allocate a new function_maybepermanent_obstack for the new
20678 function, delete all the special cases.
20679 Don't save inline_obstacks.
20680 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20681 Delete special handling for function_maybepermanent_obstack; simply
20683 Don't restore inline_obstacks.
20684 (permanent_allocation): Delete code that frees inline_obstacks.
20685 (print_inline_obstack_statistics): Delete function.
20686 (dump_tree_statistics): Don't call it.
20687 * varasm.c (struct varasm_status): New.
20688 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20689 last_pool, pool_offset, const_double_chain): Delete global
20690 variables, replace with accessor macros.
20691 (immed_double_const): Don't walk const_double_chain outside a
20692 function, but don't treat nested functions specially anymore.
20693 (immed_real_const_1): Likewise.
20694 (clear_const_double_mem): Don't treat nested functions specially.
20695 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20696 (save_varasm_status, restore_varasm_status): Delete functions.
20697 (init_varasm_status): New function.
20698 (force_const_mem): Don't treat nested functions specially.
20699 (find_pool_constant): Accept new arg F, search for constants in
20700 that function's pool rather than the current one. All callers
20702 (get_pool_constant_for_function, get_pool_mode_for_function): New
20705 * i386.c (init_386_machine_status): New function, mostly from
20706 clear_386_stack_locals.
20707 (struct machine_functions): Rename element names to avoid name
20709 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20710 macros, replacing global variables.
20711 (clear_386_stack_locals, save_386_machine_status,
20712 restore_386_machine_status): Delete functions.
20713 (override_options): Initialize init_machine_status.
20714 * i386.h (INIT_EXPANDERS): Delete macro.
20715 (save_386_machine_status, restore_386_machine_status,
20716 clear_386_stack_locals): Delete declarations.
20718 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20720 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20721 (doloop_begin): Simplify pattern and use emit_jump_insn.
20722 (doloop_end): Simplify pattern, switch operand order,
20723 and use emit_jump_insn.
20725 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20727 * function.h (struct function): Add new element LANGUAGE.
20728 (save_lang_status): Declare new variable.
20729 (restore_lang_status): Likewise.
20730 * function.c (save_lang_status): Define.
20731 (restore_lang_status): Likewise.
20732 (push_function_context_to): Call language-specific save function.
20733 (pop_function_context_from): Call language-specific restore function.
20735 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20737 * i386.md (movsf_1): Check REG_P before use of REGNO.
20738 (movdf_1): Likewise.
20739 (movxf_1): Likewise.
20740 (extendsfdf2): Likewise.
20741 (extendsfxf2): Likewise.
20742 (extenddfxf2): Likewise.
20744 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20746 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20747 constants into memory.
20748 (c4x_shiftable_constant): New function.
20749 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20750 (c4x_shiftable_constant): Declare.
20751 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20752 ashlqi3_noclobber): Add new patterns and associated splitters.
20754 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20756 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20757 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20758 * final.c (shorten_branches): Likewise.
20759 * global.c (global_alloc): Likewise.
20760 * haifa-sched.c (build_control_flow): Likewise.
20761 * stmt.c (check_for_full_enumeration_handling): Likewise.
20762 (estimate_case_costs): Likewise.
20764 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20766 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20768 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20770 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20771 (recompute_reg_usage): Likewise.
20772 * rtlanal.c (find_regno_fusage): Likewise.
20774 * rtl.c (rtl_check_failed_code1): New function.
20775 (rtl_check_failed_code2): New.
20776 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20777 (RTL_CHECKC1, RTL_CHECKC2): New.
20778 (XC*): New accessor macros.
20779 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20780 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20781 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20782 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20783 (TRAP_*, RANGE_INFO_*): Likewise.
20785 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20787 * Makefile.in (tlink.o): Don't depend on toplev.h.
20789 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20790 output_file, nm_file_name, ldd_file_name, strip_file_name,
20791 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20792 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20793 fork_execute, maybe_unlink, add_to_list,
20794 extract_init_priority, write_list, dump_list,
20795 dump_prefix_list, write_list_with_asm, write_c_file,
20796 write_c_file_stat, write_c_file_glob, scan_prog_file,
20797 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20798 ignore_library, extract_string, notice, dump_file, target_machine,
20799 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20800 read_file, print_load_command): Constify a char*.
20801 (fdopen, error, fatal, fatal_perror): Don't prototype.
20802 (my_strerror): Remove. All callers use xstrerror instead.
20803 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20804 (main): Add prototype. Constify lots of char* ptrs. Change calls
20805 to xcalloc/strcpy/strcat/... to one call to concat.
20806 (main, scan_prog_file, scan_libraries): Use an intermediate
20807 `const char **' to build an argv array.
20808 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20810 * collect2.h (collect_execute, collect_wait, dump_file,
20811 file_exists): Constify a char*.
20812 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20813 temporary_firstobj, vflag, debug): Add extern declarations.
20814 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20816 * tlink.c: Don't include toplev.h.
20817 (vflag, debug, ldout, c_file_name, temporary_obstack,
20818 permanent_obstack, temporary_firstobj): Don't declare.
20819 (tlink_execute, frob_extension, symbol_hash_lookup,
20820 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20821 recompile_files, read_repo_files, demangle_new_symbols,
20822 scan_linker_output): Constify a char*.
20823 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20824 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20826 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20828 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20829 (relative) rather than jsr (absolute) subroutine call insns.
20830 * config/m68k/m68k-coff.h: Ditto.
20832 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20834 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20835 now rework these too.
20836 (arm_reorg): If an insn can't reach the end of the current pool,
20837 ensure that we emit that pool before the insn.
20839 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20841 * tlink.c (scan_linker_output): Skip the initial underscore in
20842 a mangled name if appropriate.
20844 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20846 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20847 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20848 error_with_ivar, gen_declarator, create_builtin_decl,
20849 my_build_string, generate_descriptor_table, generate_ivars_list,
20850 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20851 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20852 dump_base_name, lang_decode_option, build_encode_expr,
20853 start_class, finish_class, encode_pointer, really_start_method,
20854 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20856 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20857 Add static prototypes.
20858 (build_objc_string_decl, build_selector_reference_decl,
20859 encode_bitfield, build_class_reference_decl): Remove unused
20860 parameter, all callers changed.
20861 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20862 (objc_printable_name): Likewise. Change second parameter to type int.
20863 (init_objc): Use memcpy, not bcopy, to avoid casts.
20865 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20867 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20868 reg notes on a deleted insn.
20869 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20871 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20873 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20875 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20877 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20880 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20882 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20883 * tm.texi (MD_ASM_CLOBBERS): Document it.
20885 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20887 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20888 * except.c (expand_rethrow): Remove unused variable.
20889 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20890 * flow.c (replace_insns): Likewise.
20891 (create_edge_list, verify_edge_list): Likewise.
20892 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20894 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20895 is special code to run.
20896 (main): Don't define operands to emit_operand.
20897 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20899 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20901 * alpha/alpha.h (normal_memory_operand): Declare.
20902 (reg_no_subreg_operand): Declare.
20903 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20905 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20907 * c-parse.in (compstmt_primary_start): New, broken out of first
20908 part of compstmt handling in primary.
20909 (primary): Use it. Add an error clause.
20910 (compstmt_nostart): Renamed from compstmt; remove all
20911 initial invocations of compstmt_start.
20914 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20916 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20919 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20921 * combine.c (simplify_shift_const): Remove extra semicolon.
20922 * dwarf2out.c (remove_AT): Likewise.
20923 * expmed.c (expand_mult): Likewise.
20924 * gcov.c (create_program_flow_graph): Likewise.
20925 * reorg.c (mostly_true_jump): Likewise.
20927 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20929 * fold-const.c (fold_range_test): Do not try to fold the range
20930 test if the rhs or lhs has side effects.
20932 * combine.c (simplify_rtx): Recognize another case of a synthesized
20935 * varasm.c (mark_constant_pool): When marking indirect references,
20936 only look at SYMBOL_REFs.
20938 * except.c (expand_fixup_region_end): Do not peek at
20939 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
20941 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
20943 * flags.h: New variables align_loops, align_loops_log,
20944 align_jumps, align_jumps_log, align_labels, align_labels_log,
20945 align_functions, align_functions_log.
20946 * toplev.c: Define them.
20947 (f_options): Handle -falign-* when they have no argument.
20948 (main): Add logic to set variables for -falign-functions,
20949 -falign-jumps, -falign-labels, -falign-loops.
20950 Make it -fsched-verbose=<n> and -finline-limit=<n>.
20951 (display_help): Change help to match options.
20952 * final.c (LABEL_ALIGN): Default to align_labels_log.
20953 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
20954 (LOOP_ALIGN): Default to align_loops_log.
20955 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
20956 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
20957 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
20958 * varasm.c (assemble_start_function): Handle align_functions.
20960 * config/sparc/sparc.h: Don't declare sparc_align_*.
20961 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
20962 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
20964 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
20966 * config/sparc/sparc.c: Delete sparc_align_loops,
20967 sparc_align_jumps, sparc_align_funcs and the corresponding string
20969 (sparc_override_options): Default align_functions on ultrasparc.
20970 Delete -malign-* handling.
20972 * config/mips/mips.c (override_options): On 64-bit targets,
20973 try to align code to 64-bit boundaries.
20974 (print_operand): New substitution, %~,
20975 which aligns labels to align_labels_log.
20976 * config/mips/mips.md (div_trap_normal): Use %~.
20977 (div_trap_mips16): Likewise.
20979 (absdi2): Likewise.
20980 (ffssi2): Likewise.
20981 (ffsdi2): Likewise.
20982 (ashldi3_internal): Likewise.
20983 (ashrdi3_internal): Likewise.
20984 (lshrdi3_internal): Likewise.
20985 (casesi_internal): Likewise.
20987 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
20989 Merge new ia32 backend from the branch!
20991 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
20992 See ChangeLog.P2 on new_ia32_branch for details.
20994 * rtl.h (stack_regs_mentioned_p): Delete prototype.
20995 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
20996 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
20997 * i386/gas.h (ASM_FILE_START): Define.
20998 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
20999 for name change of ix86_valid_decl_attribute_p.
21000 (i386_pe_valid_type_attribute_p): Similarly.
21002 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21004 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21005 to step through CC modes.
21007 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21009 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21010 it would end up in the shadow of a live flags regsiter.
21012 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21014 * reload1.c: Fix many indentation problems.
21015 * reload.c: Likewise.
21017 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21019 * alias.c (non_local_reference_p): Constify fmt.
21021 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21023 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21025 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21027 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21028 the internal_arg_pointer.
21030 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21032 Merge peephole2 from new_ia32_branch:
21033 * Makefile.in (STAGESTUFF): Add *.peephole2.
21034 (mostlyclean): Likewise.
21035 (recog.o): Depend on resource.h.
21037 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21038 (final_scan_insn): Likewise for the invocation of peephole.
21039 * genconfig.c (main): Look for peephole and peephole2 patterns.
21040 Emit HAVE_peephole* accordingly.
21041 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21042 * flags.h (flag_peephole2): Declare.
21043 * toplev.c: New pass peephole2. New flag -fpeephole2.
21045 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21046 * gencodes.c (main): Likewise.
21047 * genextract.c (main): Likewise.
21048 * genoutput.c (main): Likewise.
21049 * genemit.c (max_operand_1): Look for the max scratch operand.
21050 (gen_rtx_scratch): New.
21051 (gen_exp): Use it, and pass on new arg subroutine_type.
21052 (gen_expand): Take max scratch into account.
21053 (gen_split): Emit peephole2 functions.
21054 (output_peephole2_scratch): New.
21055 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21056 * genrecog.c (routine_type): Add PEEPHOLE2.
21058 (make_insn_sequence): Match outer parallel for peep2. Discard
21059 top level scratches and dups.
21060 (add_to_sequence): New args insn_type and top. Update all callers.
21061 Handle toplevel peep2 matching insns.
21062 (write_subroutine): Handle peep2.
21063 (write_tree_1): Likewise.
21064 (write_tree): Likewise.
21066 (change_state): New arg afterward. Update all callers.
21067 Handle matching separate insns.
21068 * recog.c (recog_next_insn): New.
21069 (peephole2_optimize): New.
21070 * rtl.def (DEFINE_PEEPHOLE2): New.
21071 * resource.c (find_free_register): New argument last_insn. Use it
21072 to find a register available through the entire span.
21073 * resource.h (find_free_register): Update prototype.
21075 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21077 * i386.c (output_strlen_unroll): Don't write xops[7]
21078 label if it wasn't set.
21080 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21082 * cpplib.c (struct directive): Const-ify name pointer and
21083 function pointer prototype.
21084 (validate_else, do_define, do_line, do_include, do_undef,
21085 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21086 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21087 do_warning): Const-ify second arg.
21088 (directive_table): Mark const. Reorder entries by frequency
21089 of usage, record statistics.
21091 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21093 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21094 bounds- check RTL accesses if --enable-checking.
21095 (RTVEC_ELT): Bounds check if --enable-checking.
21096 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21097 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21098 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21100 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21101 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21103 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21104 (NOTE_SOURCE_FILE): Use X0STR.
21105 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21106 MEM_ALIAS_SET): Use X0INT.
21107 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21108 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21110 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21111 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21112 (rtl_check_failed_bounds, rtl_check_failed_type1,
21113 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21115 (fancy_abort): Fix comment.
21117 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21118 (cse_insn): Decrement LABEL_NUSES for jump target before
21119 deleting jump insn.
21120 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21121 * final.c (alter_subreg): Compute regno before changing x to
21122 REG; set REGNO(x) after changing it.
21123 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21124 notes containing CONST_INTs.
21125 (delete_eh_regions): Use NOTE_EH_HANDLER.
21126 * function.c (put_reg_into_stack): Make reg a MEM before
21128 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21130 (gen_mem_addressof): Make reg a MEM before initializing it.
21131 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21133 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21134 deleting an insn, not after.
21135 (block_alloc): Only look at PATTERN(insn) if we have to, and
21136 only if it's format class 'i'.
21137 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21138 CONST_INT before using its INTVAL.
21139 * print-rtl.c (print_rtx): Use X0STR.
21140 * regmove.c (fixup_match_1): Don't look at PATTERN of
21141 non-class-'i' insn chain elements.
21142 * reload.c (loc_mentioned_in_p): Take address of
21143 in->fld[1].rtx directly.
21144 * reload1.c (reload): Change reg to a MEM before initializing
21146 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21148 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21150 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21152 * config/mips/mips.c (machine_dependent_reorg): Force a
21153 barrier to output the local constant pool if a barrier hasn't
21154 been found at a natural point in the instruction stream.
21156 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21158 * c-parse.in (language_string): Constify.
21160 * dwarf2out.c (language_string): Remove declaration.
21162 * dwarfout.c (language_string): Likewise.
21164 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21166 * tree.h (language_string, init_parse, finish_parse): Declare.
21168 * i386/sun386.h (language_string): Remove declaration.
21170 * mips.h (language_string): Likewise.
21172 * nextstep.h (language_string): Likewise.
21174 * nextstep21.h (language_string): Likewise.
21176 * rs6000.c (language_string): Likewise.
21178 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21180 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21181 (getpwd.o): Remove target.
21183 * getpwd.c: Delete file. Its in libiberty now.
21185 * dbxout.c (getpwd): Don't prototype.
21186 * dwarf2out.c (getpwd): Likewise
21187 * dwarfout.c (getpwd): Likewise
21188 * final.c (getpwd): Likewise.
21189 * protoize.c (getpwd): Likewise.
21191 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21193 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21195 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21197 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21198 mark_set_resources.
21200 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21202 * fixinc/Makefile.in (subdir): New.
21203 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21206 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21208 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21209 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21212 * invoke.texi: Fix typo.
21214 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21215 changed. Handle autoincrement addressing modes.
21217 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21218 just like we would the virtual incoming args register when
21221 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21223 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21224 path, in .file directive.
21226 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21228 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21231 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21233 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21236 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21238 * tree.c (tree_code_name): Constify a char*.
21240 * tree.h (tree_code_name, decl_printable_name): Likewise.
21242 * function.h (struct function): Likewise.
21244 * toplev.c (decl_name, decl_printable_name): Likewise.
21246 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21248 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21249 (init_objc): Remove function pointer cast.
21251 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21253 * pa.md (interspace_jump): New pattern.
21254 (builtin_longjmp): New expander.
21256 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21258 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21259 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21260 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21262 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21264 * jump.c (delete_prior_computation): Also check calls
21265 to constant functions. Don't bother checking for a
21266 REG_UNUSED note before adding it.
21267 (delete_computation): Handle multi-word hard registers
21268 when synthesizing missing REG_DEAD notes for a register
21269 which is both set and used by an insn.
21271 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21273 * loop.c (this_loop_info): New variable.
21274 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21275 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21277 (prescan_loop, strength_reduce): New argument loop_info. All callers
21279 (scan_loop): New variable loop_info, initialise to address of
21281 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21282 Delete variable loop_has_multiple_exit targets and replace with
21283 field in this_loop_info.
21284 (find_and_verify_loops): Rename this_loop to this_loop_num.
21285 (strength_reduce): Delete loop_iteration_info. Replace variable
21286 loop_info with function argument of same name.
21287 (insert_bct): Rework test for loop being completely unrolled.
21289 * loop.h (struct loop_info): New fields num, loops_enclosed,
21290 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21291 has_indirect_jump, and cont. Redefine use of unroll_number.
21292 (loop_unroll_number): Delete.
21294 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21295 field of loop_info.
21296 (loop_iterations): Delete variable vtop and instead use
21297 loop_info->vtop computed in prescan_loop.
21299 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21301 * fix-header.c (main): Do not pass a null pointer to strcmp.
21303 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21305 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21307 * configure: Rebuilt.
21309 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21311 * jump.c (jump_optimize_1): Do not delete assignments to
21312 internal_arg_pointer.
21313 * cse.c (delete_trivially_dead_insns): Always consider a set of
21314 the internal_arg_pointer live.
21316 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21318 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21319 (update_life_info) [REG_WAS_0]: Search the original insns rather
21320 than the new insns for the note. Fix typos finding note_dest.
21321 If no dest found, discard the note rather than abort.
21322 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21323 (replace_insns): Remove the old insn list after update_life_info
21326 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21328 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21329 sched_analyze_insn.
21330 (sched_analyze_1): Let add_dependence care for not adding dups.
21331 (sched_analyze_2): Likewise.
21332 (add_branch_dependences): Likewise.
21334 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21336 * i386/winnt.c (export_list): New type.
21337 (exports_head): Rename to
21338 (export_head): this.
21339 (i386_pe_record_exported_symbol): Add is_data flag.
21340 (i386_pe_asm_file_end): Emit directive for exported variables.
21341 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21343 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21344 (ASM_DECLARE_OBJECT_NAME): Likewise.
21345 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21346 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21348 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21350 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21352 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21355 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21357 * config/openbsd.h: Define SET_ASM_OP.
21358 * tm.texi: cross-reference SET_ASM_OP in the index.
21360 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21362 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21363 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21364 and class_narrowest_mode at compile time. Kill init_rtl.
21365 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21366 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21367 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21369 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21371 * rtl.h: Declare rtx_length and rtx_format as const.
21372 * machmode.def: Define CC(). Use CC() to define CCmode. If
21373 EXTRA_CC_MODES is defined, expand it here.
21374 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21375 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21376 const. Kill all references to EXTRA_CC_MODES.
21378 * toplev.c: Don't prototype or call init_rtl.
21379 * optabs.c: Don't call init_mov_optab.
21380 * genemit.c: Don't generate init_mov_optab. Don't call
21382 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21384 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21385 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21386 genrecog.c: Don't call init_rtl.
21388 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21389 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21390 definition of EXTRA_CC_MODES.
21392 * md.texi: Kill ref to EXTRA_CC_NAMES.
21393 * tm.texi: Document new way to define EXTRA_CC_MODES.
21395 * genrecog.c: Do not look up the name of a define_split.
21396 (Unrelated bugfix.)
21398 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21400 * config/v850/v850.md: Fix typo introduced by previous delta.
21402 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21404 * gcc.c (fatal): Make definition static to match prototype.
21406 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21408 * combine.c (get_last_value): Don't look for earlier sets if the last
21409 known set is somewhere in between the insns being combined.
21411 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21413 * configure.in: Don't use shell ! to negate exit codes
21414 * configure: Regenerate
21416 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21418 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21419 the fact that ALIGN is measured in bits, not bytes.
21421 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21423 * errors.c: New file; defines functions error, warning, and
21424 fatal, variables have_error and progname.
21425 * errors.h: New file; prototypes and decls for stuff in errors.c.
21427 * Makefile: Add rules to build errors.o and
21428 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21429 genopinit, genrecog, genextract, genpeep, genattr, and
21430 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21431 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21432 genpeep.o, genattr.o, and genoutput.o.
21434 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21435 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21436 define or prototype fatal. Set progname at beginning of main.
21437 * genoutput.c: Likewise, and don't define or prototype error
21440 * c-typeck.c (c_expand_start_case): Return immediately if exp
21442 * fold-const.c (operand_equal_p): Return immediately if arg1
21443 or arg0 are ERROR_MARKs.
21444 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21445 fields of type ERROR_MARK when calculating if the record can
21448 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21449 with much help from Jeffrey A Law and Richard Henderson
21451 * i386.md: In the 6 insns which call output_fix_trunc,
21452 earlyclobber operands[0].
21454 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21456 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21457 creating new registers.
21459 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21461 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21462 i386_reg_alloc_order, i386_regparm_string,
21463 i386_align_loops_string, i386_align_jumps_string,
21464 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21465 and i386_branch_cost_string as type "const char *".
21466 * i386.c: Define all above strings as type "const char *".
21468 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21470 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21471 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21473 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21475 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21476 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21478 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21480 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21481 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21482 (dwarf2out_line, dwarf2out_finish): Likewise.
21483 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21485 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21487 * tree.c (lang_unsave_expr_now) : Correct return type.
21488 * tree.h (lang_unsave_expr_now) : Same.
21490 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21492 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21493 instead of duplicating code.
21495 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21497 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21499 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21501 * tree.h: fancy_abort always takes three args.
21502 * resource.c: Move include of system.h before toplev.h.
21504 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21506 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21509 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21511 * system.h: Don't redefine abort or trim_filename.
21512 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21513 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21514 whether or not __FUNCTION__ is available.
21515 * tree.h: Duplicate rtl.h's definition of abort, for files
21516 that don't include rtl.h. Delete all code to perform type
21517 checking with a compiler other than GCC.
21518 * varray.h: Delete all code to perform type checking with a
21519 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21520 its arguments exactly once, using a statement expression.
21521 Adjust the VARRAY_<type> accessor macros to match.
21522 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21523 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21524 caller's location. Define fatal_insn and fatal_insn_not_found
21525 as macros that use _fatal_insn and _fatal_insn_not_found.
21526 (fancy_abort, trim_filename): Kill prototypes.
21528 * rtl.c (trim_filename): Move here from toplev.c.
21529 (fancy_abort): New function.
21530 (DIR_SEPARATOR): Provide default definition.
21531 * tree.c (tree_check_failed, tree_class_check_failed): Go
21532 through fancy_abort.
21533 (tree_check, tree_class_check, cst_or_constructor_check,
21534 expr_check): Delete.
21535 * varray.c (varray_check_failed): New function.
21536 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21537 _fatal_insn and _fatal_insn_not_found. Go through
21539 (trim_filename, fancy_abort): Delete.
21541 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21542 * except.c (start_catch_handler): Report ICE with error/abort
21544 * final.c (output_operand_lossage): Likewise.
21545 * flow.c (verify_flow_info): Likewise.
21547 * gcc.c: Prototype fatal.
21548 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21549 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21550 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21551 Don't define fancy_abort.
21553 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21555 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21558 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21560 * m88k.h (VERSION_INFO2): Kill.
21561 (VERSION_STRING): Kill.
21563 (VERSION_INFO1): Tidy.
21564 (TARGET_VERSION): Update.
21565 * m88k/dgux.h (VERSION_INFO2): Kill.
21566 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21567 * m88k/luna.h (VERSION_INFO1): Tidy.
21568 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21569 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21570 (output_file_start): Adjust for death of VERSION_STRING.
21572 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21574 * cpplib.c (detect_if_not_defined): New function.
21575 (do_if): Use it to detect potential once-only headers.
21577 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21579 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21581 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21583 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21584 anywere in the function only if they are pseudos and set before
21585 being used (not live at the start of the function).
21586 (num_sign_bit_copies) : Same.
21587 (get_last_value_validate) : Same.
21588 (get_last_value) : Same.
21590 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21592 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21593 where N and M are constant and N is an integer multiple of M.
21595 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21597 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21598 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21599 sbitmap_union_of_preds): Add prototypes.
21600 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21601 the intersection of successors with the new flow graph structures.
21602 (sbitmap_intersection_of_preds): New function to compute the
21603 intersection of predecessors with the new flow graph structures.
21604 (sbitmap_union_of_succs): New function to compute the union of
21605 successors with the new flow graph structures.
21606 (sbitmap_union_of_preds): New function to compute the union of
21607 predecessors with the new flow graph structures.
21608 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21609 (expr_reaches_here_p): Use edge and basic_block structures instead
21610 of s_preds and s_succs.
21611 (compute_cprop_avinout): Use new sbitmap routines.
21612 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21613 of s_preds and s_succs.
21614 * flow.c (compute_flow_dominators): Compute dominators using
21615 edges and basic blocks instead of s_preds and s_succs.
21617 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21619 * lists.c (unused_insn_list, unused_expr_list): New file for
21620 maintaining various types of lists. New statics for maintaining a
21621 cache of available INSN_LIST and EXPR_LIST nodes.
21622 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21623 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21624 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21625 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21626 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21627 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21628 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21629 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21630 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21631 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21632 (remove_dependence, free_pending_lists): Use new global routines.
21633 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21634 (sched_analyze, compute_block_backward_dependences): Use new routines.
21635 (sched_analyze_1, sched_analyze_2): Use new routines.
21636 (schedule_insns): Use new global routines.
21637 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21639 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21640 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21642 * toplev.c (rest_of_compilation): Initialize node cache.
21643 * Makefile.in (OBJS): Add lists.o to list of object files.
21644 (lists.o): Add dependancies.
21646 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21648 * config/v850/v850.md: Fix compile time warning messages.
21649 * config/v850/v850.c: Fix compile time warning messages.
21650 * config/v850/v850.h: Fix compile time warning messages.
21652 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21654 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21655 Remove unused prototype for `init_lengths'.
21657 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21659 * calls.c (emit_call_1): Mark parameter `stack_size' with
21661 (expand_call): Initialize variable `insn'.
21662 (emit_library_call): Likewise for variable `high_to_save'.
21663 (emit_library_call_value): Likewise.
21664 (store_one_arg): Likewise for variables `lower_bound' and
21667 * combine.c (try_combine): Likewise for variables `i2_code_number'
21668 and `other_code_number'.
21669 (find_split_point): Likewise for variables `pos', `unsignedp' and
21671 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21672 (simplify_and_const_int): Remove unused variable `width'.
21673 (merge_outer_ops): Likewise.
21675 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21676 HOST_WIDE_INT' when comparing against one.
21677 (simplify_relational_operation): Likewise.
21678 (cse_insn): Initialize variables `src_eqv_volatile',
21679 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21681 * final.c (init_final): Constify parameter `filename'.
21682 (final_start_function): Mark parameter `optimize' with
21684 (profile_function): Likewise for parameters `first' and `optimize'.
21685 (output_source_line): Likewise for parameter `file'.
21687 * integrate.c (subst_constants): Cast a value to `size_t' when
21688 comparing against one.
21689 (mark_stores): Initialize variable `mode'. Cast a value to
21690 `size_t' when comparing against one.
21692 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21694 * loop.c (move_movables): Initialize variable `first'.
21695 (strength_reduce): Likewise for variable `increment'.
21696 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21697 value to `size_t' when comparing against one.
21698 (load_mems): Initialize variable `end_label'.
21700 * output.h (init_final): Constify parameter.
21702 * reload.c (decompose): Initialize variable `base'.
21704 * reload1.c (reload): Likewise for variable `is_scalar'.
21705 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21706 (choose_reload_regs): Initialize variable `mode'.
21707 (emit_reload_insns): Likewise for variable `store_insn'.
21708 (reload_cse_noop_set_p): Mark parameter `insn' with
21710 (reload_combine): Initialize variable `set'.
21712 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21713 (copy_loop_body): Cast a value to `size_t' when comparing against
21716 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21717 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21718 (remove_from_pending_weak_list): Mark parameter `name' with
21721 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21723 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21726 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21728 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21729 (ASM_DECLARE_FUNCTION_NAME): Define.
21730 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21731 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21732 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21733 not already defined.
21735 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21737 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21738 of n_popped when call/call_value are not defined.
21740 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21742 * tm.texi: GNU CC -> GCC conversion.
21743 (CC1_SPEC): Indicate it is used for all language front ends.
21745 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21747 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21748 NOTE_INSN_EH_REGION_END correctly.
21750 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21751 Jeff Law <law@cygnus.com>
21753 * loop.c (strength_reduce): Automatically unroll loops if the
21754 unrolled loop size is smaller than the rolled loop size.
21756 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21757 and delete comment that code should be rewritten.
21759 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21761 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21764 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21766 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21768 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21769 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21770 (LINK_SPEC): Add -u _main when building executables.
21771 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21772 (ASM_FILE_END): Use the default for ix86-pe.
21773 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21775 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21777 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21778 and ASM_CLOSE_PAREN are empty strings.
21780 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21781 Geoffrey Keating <geoffk@cygnus.com>
21783 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21784 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21785 (unprotoize.o): Ditto.
21786 (test-protoize-simple): Don't define STD_PROTO_DIR.
21787 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21788 changes to make 'test-protoize-simple' pass.
21789 (STD_PROTO_DIR): Remove define.
21790 (STANDARD_EXEC_PREFIX): Supply default define.
21791 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21792 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21793 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21794 (GET_ENV_PATH_LIST): New macro.
21795 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21796 (do_processing): Initialize default_syscalls_dir using new
21797 macros. Use it to initialize syscalls_absolute_filename.
21799 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21801 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21802 B into a register before emit_conditional_move.
21804 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21806 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21807 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21808 multiplicand out of (+ (* a b) (* c d)).
21810 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21811 Richard Henderson <rth@cygnus.com>
21813 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21814 (new_insn_dead_notes): Likewise.
21815 (update_n_sets): Likewise.
21816 (update_flow_info): Move to flow.c, renamed to update_life_info;
21817 extend to handle multiple source insns.
21818 * flow.c: Include resource.h
21819 (unlink_insn_chain): New.
21820 (split_hard_reg_notes): New.
21821 (maybe_add_dead_note): New.
21822 (maybe_add_dead_note_use): New.
21823 (find_insn_with_note): New.
21824 (new_insn_dead_notes): New.
21825 (update_n_sets): New.
21826 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21827 (maybe_remove_dead_notes): New.
21828 (update_life_info): New.
21829 (prepend_reg_notes): New.
21830 (replace_insns): New.
21831 * output.h (update_life_info): Declare.
21832 * recog.c (split_block_insns): Use update_life_info.
21833 * resource.c (find_free_register): Use reg_alloc_order, don't use
21834 fixed regs, make sure the mode is supported, don't use new regs.
21836 * rtl.h (replace_insns): Declare.
21838 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21840 * expr.c (expand_expr): Cope with COND_EXPRs with one
21841 non-returning branch.
21843 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21845 * expr.c (store_expr): Always pass down the target, even when not
21848 1999-08-24 Nick Clifton <nickc@cygnus.com>
21850 * configure.in: Define target_cpu_default for v850 targets.
21851 * configure: Regenerate
21853 * config/v850/v850.h (TARGET_CPU_generic): Define.
21854 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21855 addresses are 4 byte aligned.
21857 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21860 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21862 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21863 (main): Add prototypes.
21865 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21866 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21867 (write_attr_get): Emit prototypes along with function definition.
21868 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21869 (write_complex_function): Emit static prototype along with
21870 function definition.
21872 * genemit.c (gen_split): Emit prototypes along with function
21875 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21876 Likewise for predicates and `insn_operand_predicate'.
21877 (process_template): Emit static prototype along with function
21880 * genrecog.c (make_insn_sequence): Constify a char*. Add
21881 prototypes for get_split_*().
21882 (write_subroutine): Emit prototypes along with function
21885 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21887 * gcse.c (find_avail_set): Follow chains of register-register copies.
21888 Use oprs_not_set_p to guarantee that the returned value can be
21890 (cprop_insn): Don't verify the return value of find_avail_set with
21893 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21894 (cprop_cc0_jump): New function.
21895 (cprop_insn): Break out new function cprop_jump and use it.
21896 Also use cprop_cc0_jump for machines with CC0.
21897 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21899 * tree.h (current_function_calls_setjmp,
21900 current_function_calls_longjmp): Delete declarations.
21901 * dsp16xx.c: Include "function.h".
21902 * elxsi.c: Likewise.
21903 * gmicro.c: Likewise.
21904 * h8300.c: Likewise.
21905 * i370.c: Likewise.
21906 * m32r.c: Likewise.
21907 * mn10200.c: Likewise.
21908 * mn10300.c: Likewise.
21909 * ns32k.c: Likewise.
21910 * spur.c: Likewise.
21911 * v850.c: Likewise.
21913 * rtl.h (rtx_equal_function_value_matters): Declare.
21914 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21916 * function.c: Likewise.
21917 * emit-rtl.c: Likewise.
21919 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21921 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21924 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21926 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21929 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21931 * cpp.texi: Add a node documenting macro varargs (copied
21934 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
21936 * cppspec.c: Put a null pointer at the end of the new argv.
21938 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
21940 * configure.in: Remove code to select/de-select the haifa
21941 scheduler. Every scheduled port gets haifa now.
21942 * configure: Rebuilt.
21943 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
21945 * Makefile.in: Corresponding changes.
21947 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21949 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
21950 All callers changed.
21951 (prepare_float_lib_cmp): Likewise.
21952 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
21953 * expr.h (emit_float_lib_cmp): Delete declaration.
21954 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
21955 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
21956 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
21958 (cmptf): Now conditional on TARGET_HARD_QUAD.
21960 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
21962 * resource.c (mark_target_live_regs): Use
21963 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
21965 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21967 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
21969 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
21971 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
21973 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21975 * rtl.h (rtx_format): Constify a char*.
21977 * rtl.c (rtx_format): Likewise.
21978 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
21979 (init_rtl): Use accessor macro, not `rtx_format'.
21981 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
21984 * caller-save.c (mark_referenced_regs): Likewise.
21986 * combine.c (subst, make_compound_operation, known_cond,
21987 gen_rtx_combine, update_table_tick, get_last_value_validate,
21988 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
21990 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
21991 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
21992 count_reg_usage): Likewise.
21994 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
21997 * final.c (leaf_renumber_regs_insn): Likewise.
21999 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22000 dump_edge_info, count_reg_references): Likewise.
22002 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22003 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22006 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22007 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22008 add_label_notes): Likewise.
22010 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22011 clear_struct_flag, count_sub_rtxs, count_alternatives,
22012 compares_alternatives_p, contained_in_p, walk_attr_value,
22013 write_expr_attr_cache): Likewise.
22015 * genconfig.c (walk_insn_part): Likewise.
22017 * genemit.c (max_operand_1, gen_exp): Likewise.
22019 * genextract.c (walk_rtx): Likewise.
22021 * genflags.c (num_operands): Likewise.
22023 * genoutput.c (scan_operands): Likewise.
22025 * genpeep.c (match_rtx): Likewise.
22027 * genrecog.c (add_to_sequence): Likewise.
22029 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22032 * integrate.c (save_constants, copy_for_inline,
22033 copy_rtx_and_substitute, subst_constants, restore_constants):
22036 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22037 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22039 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22042 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22043 add_label_notes, replace_call_address, count_nonfixed_reads,
22044 invariant_p, find_single_use_in_loop, find_mem_givs,
22045 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22048 * print-rtl.c (reg_names, print_rtx): Likewise.
22050 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22052 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22053 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22054 print_blocks): Likewise.
22056 * regclass.c (fix_register, record_address_regs,
22057 reg_scan_mark_refs): Likewise.
22059 * regmove.c (stable_but_for_p): Likewise.
22061 * reload.c (loc_mentioned_in_p, operands_match_p,
22062 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22063 copy_replacements, refers_to_regno_for_reload_p,
22064 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22065 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22068 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22069 delete_address_reloads_1, count_occurrences,
22070 reload_cse_mem_conflict_p, reload_combine_note_use,
22071 add_auto_inc_notes): Likewise.
22073 * resource.c (mark_referenced_resources, mark_set_resources):
22076 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22077 reg_mentioned_p, regs_set_between_p, modified_between_p,
22078 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22079 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22080 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22081 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22083 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22085 * stupid.c (stupid_mark_refs): Likewise.
22087 * unroll.c (remap_split_bivs): Likewise.
22089 * varasm.c (mark_constants): Likewise.
22091 * a29k/a29k.c (uses_local_reg_p): Likewise.
22093 * alpha/alpha.c (summarize_insn): Likewise.
22095 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22096 eliminate_lr2ip): Likewise.
22098 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22100 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22101 reg_mentioned_in_mem): Likewise.
22103 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22104 symbolic_reference_mentioned_p): Likewise.
22106 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22108 * sh/sh.c (regs_used, mark_use): Likewise.
22110 * vax/vax.c (vax_rtx_cost): Likewise.
22112 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22114 * machmode.h (mode_name): Constify a char*.
22116 * rtl.c (mode_name): Likewise.
22118 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22120 * optabs.c (init_libfuncs): Constify a char*.
22122 * print-tree.c (mode_name): Remove redundant declaration.
22123 (print_node): Use accessor macro, not `mode_name'.
22125 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22127 (new_spill_reg): Constify a char*.
22129 * tree.c (mode_name): Remove redundant declaration.
22131 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22133 * rtl.c (rtx_name): Constify a char*.
22135 * rtl.h (rtx_name, fix_sched_param): Likewise.
22137 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22138 (mypr): Use accessor macro, not `rtx_name'.
22140 * genemit.c (print_code): Constify a char*.
22142 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22144 * genpeep.c (print_code): Constify a char*.
22146 * genrecog.c (print_code): Likewise.
22148 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22149 end_bb): Add static prototype.
22150 (draw_edge): Constify a char*.
22151 (end_bb): Remove unused parameter.
22153 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22154 print_block_visualization): Constify a char*.
22156 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22158 * c-common.c (c_get_alias_set): Update comment.
22160 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22162 * linux.h (LIB_SPEC): Added.
22164 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22166 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22168 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22170 * tree.c (expr_check): Fix typo in last change.
22172 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22174 * rtl.def (NOTE): Change format to "iuu0n".
22175 (ADDR_DIFF_VEC): Change format to "eEee0".
22176 (ADDRESSOF): Change format to "eit".
22178 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22179 (RTVEC_ELT): Change to match.
22180 (XVECEXP): Use XVEC and RTVEC_ELT.
22181 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22182 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22183 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22184 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22185 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22186 (INTVAL): Use XWINT.
22187 (ADDRESSOF_DECL): Use XTREE.
22188 (SET_ADDRESSOF_DECL): Delete.
22189 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22190 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22191 ifdefed out since 2.6 at least.
22192 (gen_rtvec_vv): Delete prototype.
22194 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22196 (copy_most_rtx): Handle 't' format letter.
22197 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22198 (gen_rtvec_vv): Delete function. All callers changed to use
22199 gen_rtvec_v instead.
22200 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22201 the '0' format letter.
22203 * function.c (gen_mem_addressof): Don't use
22204 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22206 * integrate.c (copy_rtx_and_substitute): Likewise.
22207 Copy 't' slots with XTREE.
22208 (subst_constants): Treat 't' slots like '[swi]' slots.
22209 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22210 * jump.c (rtx_equal_for_thread_p): Likewise.
22211 * rtlanal.c (rtx_equal_p): Likewise.
22212 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22213 only four arguments.
22214 * gengenrtl.c (type_from_format): Provide correct types for
22218 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22219 If a recent gcc is in use (always in stage2 and beyond), use
22220 statement expressions, so we don't make a function call unless
22221 the check fails. Evaluate arguments exactly once.
22222 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22223 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22225 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22226 they evaluate their arguments exactly once, irrespective of
22227 the compiler in use.
22229 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22230 is used by the currently-enabled check macros. This is:
22231 (tree_check_failed, tree_class_check_failed): For gcc.
22232 (tree_check, tree_class_check, cst_or_constructor_check,
22233 expr_check): For other compilers.
22235 * gencheck.c: Do not define any *_CHECK1 macros.
22237 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22238 Mark Mitchell <mark@codesourcery.com>
22240 * c-common.c (c_get_alias_set): Fix support for poitners and
22243 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22245 * alias.c: Include tree.h.
22246 (nonlocal_reference_p, mark_constant_function): New functions.
22247 * flow.c (life_analysis): Call mark_constant_function.
22248 * rtl.h (mark_constant_function): Declare it.
22250 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22252 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22253 unrecognisable switches.
22255 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22257 * loop.c (recombine_givs): Set ix field after sorting.
22258 (recombine_givs): Remove bogus index / giv lockstep looping.
22260 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22262 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22264 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22265 (do_cmp_and_jump): Formatting fixes.
22266 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22267 do_compare_rtx_and_jump instead of compare_from_rtx.
22268 (do_compare_rtx_and_jump): New function; mostly copied from
22270 (do_jump_for_compare): Delete.
22271 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22273 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22274 of compare/do_jump_for_compare pairs.
22275 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22276 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22277 compare_from_rtx/do_jump_for_compare pairs.
22278 (do_jump_by_parts_equality): Likewise.
22279 (do_jump_by_parts_equality_rtx): Likewise.
22280 * expr.h (do_compare_rtx_and_jump): Declare.
22281 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22282 that used to be in emit_cmp_insn.
22283 (cmp_available_p): New function.
22284 (prepare_operand): New function.
22285 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22286 to be in emit_cmp_insn.
22287 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22288 parameters to be pointers; don't emit final compare but modify some of
22289 the values pointed to by the args so the caller can perform the
22290 correct comparison.
22291 (expand_binop): Call emit_store_flag_force with signed forms of
22293 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22294 emit_jump_insn pair.
22295 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22296 emit_cmp_and_jump_insn_1. Call emit_queue.
22297 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22299 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22300 jump sets cc0 before deleting it.
22301 * integrate.c (expand_inline_function): Likewise.
22302 * unroll.c (unroll_loop): Similar changes in several places.
22303 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22304 before deleting it.
22306 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22308 * Makefile.in (insn-recog.o): Update dependencies.
22309 * genrecog.c (main): Make generated file include "function.h".
22311 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22313 * cse.c (cse_insn): Call never_reached_warning when a jump is
22314 changed to be unconditional.
22315 * flags.h: Declare warn_notreached.
22316 * flow.c (delete_block): Call never_reached_warning when
22317 a block is deleted.
22318 * jump.c (delete_barrier_successors): Call never_reached_warning
22319 when we delete everything after a BARRIER.
22320 (never_reached_warning): New function.
22321 * rtl.h: Declare never_reached_warning.
22322 * toplev.c (warn_notreached): New variable.
22323 (lang_independent_options): Set warn_notreached
22324 when -Wunreachable-code.
22325 (compile_file): We need line numbers for -Wunreachable-code.
22327 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22329 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22330 * sched.c (insn_unit): Likewise.
22332 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22334 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22336 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22338 * flow.c (create_edge_list): Use xmalloc, not malloc.
22340 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22342 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22343 C-style comments. Do not lose the character before double slash.
22345 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22347 * basic-block.h (struct edge_list): Stucture to maintain a vector
22349 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22350 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22351 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22352 New function prototypes.
22353 * flow.c (create_edge_list): Function to create an edge list.
22354 (free_edge_list): Discards memory used by an edge list.
22355 (print_edge_list): Debug output showing an edge list.
22356 (verify_edge_list): Internal consistency check for an edge list.
22357 (find_edge_index): Function to find an edge index for a pred and succ.
22359 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22361 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22364 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22366 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22368 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22370 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22372 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22374 * toplev.c (rest_of_compilation): Allow machine dependent
22375 reorganisation pass to place information into the RTL dump
22376 file if it so wishes.
22378 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22380 * explow.c (hard_function_value): Use VOIDmode instead of
22382 * stmt.c (expand_return): Likewise.
22383 * stor-layout.c (get_best_mode): Likewise.
22385 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22386 emit call instead of emit_insn call.
22388 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22390 * configure.in: Handle --disable/enable-win32-registry.
22391 * install.texi: Document --disable/enable-win32-registry.
22392 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22393 (WIN32_REGISTRY_KEY): New macro.
22394 * prefix.c: Use to enable/disable win32-specific code.
22395 (lookup_key): Use versioned key.
22396 * configure: Regenerate.
22397 * config.in: Likewise.
22399 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22401 * cpplib.c (read_line_number): New fn, split out of...
22404 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22406 tree.c (lang_unsave_expr_now) : New.
22407 (unsave_expr_now): Call lang_unsave_expr_now.
22408 tree.h (lang_unsave_expr_now) : New.
22410 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22412 * toplev.c (flag_new_exceptions): On by default.
22414 1999-08-13 Michael Meissner <meissner@cygnus.com>
22416 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22418 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22420 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22421 INTEGER_TYPE with precision==1, it's __java_boolean.
22423 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22425 * global.c (prune_preferences): Move some invariants out of the
22428 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22430 * configure.in (alpha*-dec-osf*): Add osf5.
22432 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22434 * configure.in: Rework handling of ARM GNU/Linux slightly.
22435 (arm*-*-linux-gnuoldld): New target.
22436 * configure: Regenerate.
22437 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22438 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22439 * config/arm/linux-oldld.h: New file.
22440 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22441 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22443 * config/arm/linux-elf.h (ASM_SPEC): Define.
22444 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22445 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22446 for 26-bit APCS and old linker.
22447 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22449 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22450 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22451 don't define `arm' or `arm_elf'.
22452 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22453 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22455 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22457 * rtl.texi: Fix typo.
22459 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22461 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22463 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22465 * extend.texi (C++ Signatures): Remove node.
22466 * invoke.texi: Remove discussion of -fhandle-signatures,
22467 signature, sigof, __signature__, and __sigof__.
22469 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22471 * Makefile.in (JAVAGC): Removed.
22473 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22475 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22477 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22479 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22481 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22483 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22484 a register that is already known to be a pointer.
22486 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22488 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22489 * fixinc/inclhack.sh: Regenerated.
22490 * fixinc/fixincl.sh: Regenerated.
22492 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22494 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22495 Fix documentation of -ansi flag to describe its C++ behavior.
22496 Remove bogus reference to GCC 2.9.
22498 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22500 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22501 note if it is non-NULL.
22503 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22505 * except.h (eh_nesting_info): Add new structure defintion.
22506 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22507 (reachable_handlers, update_rethrow_references): Add function
22509 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22510 a rethrow symbol instead of an integer exception region number.
22511 * flow.c (Make_edges): Use new exception nesting routines to determine
22512 which handlers are reachable from a CALL or asynchronous insn.
22513 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22515 (delete_eh_regions): Update rethrow labels, and don't delete
22516 regions which are the target of a rethrow.
22517 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22518 avoid overloading the SYMBOL_REF_USED flag.
22519 (rethrow_symbol_map): Use new rethrow_ref field.
22520 (rethrow_used): Use new rethrow_ref field.
22521 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22522 of an integer. Fix formatting.
22523 (output_exception_table_entry): Use new rethrow_ref field.
22524 (can_throw): Check for EH_REGION_NOTE before deciding
22525 whether a CALL can throw or not.
22526 (scan_region): Call rethrow_used() instead of accessing data structure.
22527 (update_rethrow_references): New function to make sure only regions
22528 which are still targets of a rethrow are flagged as such.
22529 (process_nestinfo): New static function to initialize a handler
22530 list for a specific region.
22531 (init_eh_nesting_info): New function to allocate and initialize
22532 the list of all EH handlers reachable from all regions.
22533 (reachable_handlers): New function to retrieve the list of handlers
22534 reachable from a specific region and insn.
22535 (free_eh_nesting_info): New function to dispose of a list of
22536 reachable handlers.
22538 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22540 * flow.c (split_edge): Set JUMP_LABEL field.
22541 (commit_one_edge_insertion): Set head correctly for insert_before.
22542 When inserting insns, update insn block numbers if allocated.
22544 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22546 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22547 retry_incomplete_types): Add static prototype.
22548 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22549 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22550 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22551 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22552 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22555 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22556 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22558 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22560 * output.h (assemble_name): Constify a char*.
22562 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22563 assemble_variable, assemble_name): Likewise.
22565 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22567 * arm/pe.c (arm_pe_unique_section): Likewise.
22569 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22571 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22573 * i386/interix.c (i386_pe_unique_section): Likewise.
22575 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22577 * i386/winnt.c (i386_pe_unique_section): Likewise.
22579 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22581 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22583 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22585 * pa/pa.c (output_call): Likewise.
22587 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22589 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22591 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22594 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22597 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22599 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22600 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22602 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22604 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22606 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22608 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22610 * tree.h (lang_identify): Constify a char*.
22611 (print_error_function): Add extern prototype. Constify a char*.
22613 * c-lang.c (lang_identify): Constify a char*.
22615 * objc/objc-act.c (lang_identify): Constify a char*.
22617 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22619 * genpeep.c (main): Make generated file include "function.h".
22620 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22622 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22624 * Makefile.in: Update dependencies.
22625 * alias.c: Include "function.h"
22626 * c-decl.c: Likewise.
22627 * caller-save.c: Likewise.
22628 * calls.c: Likewise.
22629 * combine.c: Likewise.
22631 * explow.c: Likewise.
22632 * final.c: Likewise.
22633 * global.c: Likewise.
22634 * graph.c: Likewise.
22635 * local-alloc.c: Likewise.
22636 * loop.c: Likewise.
22637 * optabs.c: Likewise.
22638 * profile.c: Likewise.
22639 * recog.c: Likewise.
22640 * regclass.c: Likewise.
22641 * regmove.c: Likewise.
22642 * reload.c: Likewise.
22643 * reorg.c: Likewise.
22644 * resource.c: Likewise.
22645 * sched.c: Likewise.
22646 * stupid.c: Likewise.
22647 * config/1750a/1750a.c: Likewise.
22648 * config/a29k/a29k.c: Likewise.
22649 * config/arc/arc.c: Likewise.
22650 * config/arm/arm.c: Likewise.
22651 * config/arm/thumb.c: Likewise.
22652 * config/c4x/c4x.c: Likewise.
22653 * config/clipper/clipper.c: Likewise.
22654 * config/convex/convex.c: Likewise.
22655 * config/fx80/fx80.c: Likewise.
22656 * config/i860/i860.c: Likewise.
22657 * config/m68k/m68k.c: Likewise.
22658 * config/m88k/m88k.c: Likewise.
22659 * config/mips/mips.c: Likewise.
22660 * config/pdp11/pdp11.c: Likewise.
22661 * config/pyr/pyr.c: Likewise.
22662 * config/romp/romp.c: Likewise.
22663 * config/sh/sh.c: Likewise.
22664 * config/tahoe/tahoe.c: Likewise.
22665 * config/vax/vax.c: Likewise.
22666 * config/we32k/we32k.c: Likewise.
22667 * config/sparc/sparc.c: Include "function.h".
22668 (mem_min_alignment): Test current_function rather than
22669 regno_pointer_align.
22670 * config/pa/pa.c: Likewise.
22671 (compute_frame_size): Delete declaration of
22672 current_function_outgoing_args_size.
22673 * config/arc/arc.h (current_function_varargs): Delete declaration.
22674 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22676 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22678 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22679 current_function_uses_pic_offset_table.
22680 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22681 of current_function_returns_pointer.
22682 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22683 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22684 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22685 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22686 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22687 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22688 * config/m88k/m88k.c: Include "function.h"
22689 (call_used_regs, current_function_pretend_args_size,
22690 current_function_outgoing_args_size, frame_pointer_needed): Delete
22692 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22694 * config/mips/mips.h (current_function_calls_alloca): Delete
22696 * config/mn10200/mn10200.h (current_function_needs_context,
22697 rtx_equal_function_value_matters): Delete declarations.
22698 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22699 flag_pic): Delete declarations.
22700 * config/pa/pa.h (current_function_pretend_args_size,
22701 current_function_decl): Delete declarations.
22702 * config/pa/som.h (current_function_varargs): Delete declaration.
22703 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22705 * config/pyr/pyr.h (current_function_pretend_args_size,
22706 current_function_args_size, current_function_calls_alloca): Delete
22708 * config/sh/sh.h (current_function_varargs): Delete declaration.
22709 * config/sparc/sparc.h (current_function_outgoing_args_size,
22710 current_function_calls_alloca, current_function_decl): Delete
22712 * config/spur/spur.h (current_function_pretend_args_size,
22713 current_function_calls_alloca): Delete declarations.
22714 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22716 * config/vax/vms.h (current_function_name): Delete declaration.
22717 * gcse.c: Include "function.h".
22718 (current_function_name, current_function_calls_setjmp): Delete
22720 * haifa-sched.c: Include "function.h".
22721 (forced_labels): Delete declaration.
22722 * jump.c: Likewise.
22723 * reg-stack.c: Likewise.
22724 * reload1.c: Likewise.
22725 * genemit.c (main): Make generated file include function.h.
22726 * genoutput.c (output_prologue): Likewise.
22728 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22729 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22730 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22731 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22732 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22733 macros for some of them.
22734 (emit_filename, emit_lineno): Delete declarations.
22735 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22736 regno_pointer_* variables through current_function.
22737 (gen_inline_header_rtx): Delete function.
22738 (save_emit_status): Delete function.
22739 (set_new_last_label_num): New function.
22740 (clear_emit_caches): New function.
22741 (restore_emit_status): Just clear last_labelnum and call
22743 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22744 through macro seq_stack.
22745 (add_insn_after): Likewise.
22746 (add_insn_before): Likewise.
22747 (remove_insn): Likewise.
22748 (pop_topmost_sequence): Likewise.
22749 (in_sequence_p): Likewise.
22750 (start_sequence_for_rtl_expr): Likewise.
22751 (start_sequence): Likewise, and likewise for
22752 sequence_rtl_expr/seq_rtl_expr.
22753 (push_topmost_sequence): Likewise.
22754 (end_sequence): Likewise.
22755 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22756 All callers changed. Store into that pointer instead of globals.
22757 (init_emit): Allocate emit elt of current_function.
22758 Changes for sequence_rtl_expr/sequence_stack renaming.
22759 Call clear_emit_caches instead of doing it in-line.
22760 Access regno_pointer_* variables through current_function.
22761 (init_emit_once) Don't clear sequence_stack.
22763 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22765 (arg_pointer_save_area): Delete declaration.
22766 (finish_expr_for_function): Renamed from init_queue; no longer static.
22767 (init_expr): Don't call init_queue.
22768 (save_expr_status, restore_expr_status): Delete functions.
22769 (expand_expr): Changes to reflect new layout of struct function.
22770 Don't access current_function_check_memory_usage when current_function
22772 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22773 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22774 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22775 current_function_uses_const_pool, function_call_count,
22776 current_function_uses_pic_offset_table, nonlocal_labels,
22777 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22778 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22779 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22781 (finish_expr_for_function): Declare.
22782 * flags.h (current_function_has_nonlocal_label,
22783 current_function_has_nonlocal_goto, current_function_is_thunk,
22784 current_function_has_computed_jump): Delete declarations.
22785 * flow.c (forced_labels): Delete declaration.
22786 * function.c (current_function_pops_args,
22787 current_function_returns_struct, current_function_returns_pcc_struct,
22788 current_function_needs_context, current_function_calls_setjmp,
22789 current_function_calls_longjmp, current_function_has_nonlocal_label,
22790 current_function_has_nonlocal_goto, current_function_is_thunk,
22791 current_function_has_computed_jump, current_function_calls_alloca,
22792 current_function_contains_functions, current_function_returns_pointer,
22793 current_function_epilogue_delay_list, current_function_args_size,
22794 current_function_pretend_args_size, current_function_arg_offset_rtx,
22795 current_function_outgoing_args_size, current_function_varargs,
22796 current_function_stdarg, current_function_args_info, cleanup_label,
22797 current_function_name, current_function_uses_const_pool,
22798 current_function_instrument_entry_exit, current_function_return_rtx,
22799 current_function_uses_pic_offset_table, nonlocal_labels,
22800 current_function_internal_arg_pointer, current_function_cannot_inline,
22801 current_function_check_memory_usage, function_call_count,
22802 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22803 nonlocal_goto_stack_level, return_label, save_expr_regs,
22804 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22805 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22806 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22807 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22808 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22810 (push_function_context_to): Don't save them. Don't call
22811 save_storage_status, save_emit_status or save_expr_status.
22812 (pop_function_context_from): Don't restore them. Don't call
22813 restore_storage_status or restore_expr_status.
22814 (get_func_frame_size): New function.
22815 (get_frame_size): Use it.
22816 (assign_outer_stack_local): Reflect some member name changes in struct
22818 (put_reg_into_stack): Likewise.
22819 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22821 (fixup_var_refs): Likewise.
22822 (fix_lexical_addr): Likewise.
22823 (trampoline_address): Likewise.
22824 (prepare_function_start): Clear field inlinable of current_function.
22825 (init_function_for_compilation): New function.
22826 (expand_dummy_function_end): New function.
22827 (expand_function_end): Call finish_expr_for_function.
22828 * function.h (struct emit_status): New; fields moved here from struct
22829 function and from global variables. Add accessor macros for some of
22831 (struct expr_status): Likewise.
22832 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22833 (struct function): Add fields expr and emit, inlinable, inl_emit,
22834 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22835 inl_max_label_num. Add many comments.
22836 Add accessor macros for all elts of struct function that no longer
22837 have a global variable.
22838 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22839 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22840 stack_slot_list): Delete declarations.
22841 (get_func_frame_size): Declare.
22842 (save_expr_status, restore_expr_status, save_emit_status,
22843 save_storage_status, restore_storage_status): Delete declarations.
22844 (init_virtual_regs): Declare.
22845 * output.h (current_function_pops_args,
22846 current_function_returns_struct, current_function_returns_pcc_struct,
22847 current_function_needs_context, current_function_calls_setjmp,
22848 current_function_calls_longjmp, current_function_calls_alloca,
22849 current_function_has_nonlocal_label, current_function_varargs,
22850 current_function_has_computed_jump, current_function_returns_pointer,
22851 current_function_contains_functions, current_function_args_size,
22852 current_function_pretend_args_size, current_function_stdarg,
22853 current_function_outgoing_args_size, current_function_args_info,
22854 current_function_name, current_function_return_rtx,
22855 current_function_epilogue_delay_list,
22856 current_function_uses_const_pool, current_function_cannot_inline):
22857 Delete declarations.
22858 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22859 regno_reg_rtx): Delete declaration.
22860 (REGNO_POINTER_FLAG): Delete macro.
22861 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22862 function were renamed.
22863 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22865 * toplev.c: Include "function.h".
22866 (current_function_decl): Delete declaration.
22867 (compile_file): Call init_dummy_function_start and
22868 expand_dummy_function_end around some initializations that need to
22870 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22871 Call init_function_for_compilation.
22872 * unroll.c: Include "function.h"
22873 (unroll_loop): Access regno_pointer_* variables through
22876 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22877 (DECL_SAVED_INSNS): use it.
22878 (expand_dummy_function_end): Declare.
22879 (init_function_for_compilation): Declare.
22880 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22881 that it's no longer an INLINE_HEADER.
22882 (expand_call): Likewise.
22883 * integrate.c (finish_inline): Delete function.
22884 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22885 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22886 args. Don't generate an INLINE_HEADER rtx, just return the arg
22887 vector. All callers changed.
22888 (save_for_inline_copying): Create a duplicate struct emit_status to
22889 hold the emit state for compiling the current function. Use this and
22890 the other new fields in struct function that are for integration
22891 instead of an INLINE_HEADER.
22892 Use memcpy instead of bcopy.
22893 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22894 (save_for_inline_nocopy): Similar changes, except no new emit_status
22896 (expand_inline_function): Get information from function structure,
22897 not from an inline header rtx.
22898 (output_inline_function): Lose code to extract the necessary
22899 information from an inline header; simply put back the function
22900 structure into current_function. Clear its inlinable elt.
22901 * rtl.def (INLINE_HEADER): Delete.
22902 * rtl.h: Delete all accessors for an INLINE_HEADER.
22903 (gen_inline_header_rtx): Delete declaration.
22904 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22905 Delete declarations.
22906 (REGNO_POINTER_ALIGN): Delete.
22907 (clear_emit_caches): Declare.
22908 (set_new_last_label_num): Declare.
22910 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22912 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22914 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22915 * stmt.c (is_eh_region): Make sure current_function is present, too.
22917 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22919 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22920 for 64bit PA targets.
22922 * pa.h (SELECT_SECTION): Define.
22923 * som.h (SELECT_SECTION): Delete.
22925 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22927 * alias.c (init_alias_analysis): Wrap call to
22928 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22930 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22932 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
22933 <sys/asm.h> contains an asm comment with an apostrophe
22934 * fixinc/inclhack.sh: regen
22935 * fixinc/fixincl.x: regen
22937 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
22939 * function.c (init_function_start): Clear prologue & epilogue.
22940 (prologue_epilogue_contains): New function.
22941 * alias.c (init_alias_analysis): Use it.
22942 * rtl.h (prologue_epilogue_contains): Declare it.
22944 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
22946 * jump.c (onlyjump_p): New function.
22947 * rtl.h: Declare it.
22948 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
22949 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
22951 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
22953 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
22954 to invert loops. Simplify block scanning.
22956 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22958 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
22959 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
22961 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
22963 * config/sparc/liteelf.h: New file to support sparclite-elf target
22964 * config/sparc/t-sp86x: New file to support sparc86x targets
22965 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
22966 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
22967 * configure.in: Support above target triplets
22968 * configure: Regenerated
22970 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
22972 * fixinc/server.c (server_setup): Do not prefix function used as
22973 parameter with `&'.
22975 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
22977 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
22978 Remove fp reg alternatives.
22980 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
22982 * Makefiin (TAROUTOPTS): Kill.
22983 (install-headers-tar): Use "xpf" for tar headerfile extraction
22984 * i370/x-oe (TAROUTOPTS): Delete.
22985 * m68k/x-apollo68 (TAROUTOPTS): Delete.
22986 * m68k/x-hp320 (TAROUTOPTS): Delete.
22987 * m68k/x-hp320g (TAROUTOPTS): Delete.
22988 * gcc.texi: Update bug reporting text.
22990 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22992 * reg-stack.c (change_stack) Fixed problem with negative array index.
22994 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
22996 * extend.texi, install.texi: Fix spelling mistakes.
22998 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
22999 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23000 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23001 PREMADE_ATTRTAB_MD.
23002 * mips/t-ecoff: Likewise.
23003 * mips/t-elf: Likewise.
23004 * mips/t-mips: Likewise.
23005 * mips/t-osfrose: Likewise.
23006 * mips/t-r3900: Likewise.
23007 * mips/t-svr3: Likewise.
23008 * mips/t-svr4: Likewise.
23009 * mips/t-ultrix: Likewise.
23011 * gcc.texi: Document recommend means to provide software floating
23012 point libraries in libgcc.a
23014 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23016 * c-lex.c (yylex): We can have a number with no digits.
23018 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23020 * jump.c (delete_prior_computation): New function, broken
23021 out of delete_computation. Check for side effects with
23022 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23023 multi-word hard registers.
23024 (delete_computation): Use it. Check for side effects with
23025 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23026 missing REG_DEAD note for a register which is both set and
23029 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23031 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23032 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23033 (ASM_FILE_START): Import _mcount with the right type.
23034 (ASM_DECLARE_FUNCTION_NAME): Define.
23035 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23036 * pa.c (output_function_prologue): Always emit the function's label
23038 * pa.h (TEXT_SPACE_P): Define.
23039 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23040 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23041 * som.h (TEXT_SPACE_P): Delete.
23042 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23043 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23045 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23047 * expr.c (emit_group_load): Allow src to be a CONCAT.
23049 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23051 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23052 (___mulsi3): Use '!' comment character.
23054 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23056 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23058 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23060 * gcc.c: Update URLs and mail addresses.
23061 * gcc.texi: Likewise.
23063 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23065 * rs6000.c (current_file_function_operand): Return zero for
23067 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23069 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23072 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23074 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23075 allocate space in the stack frame for the PIC register.
23077 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23079 * m68k.md (xordi3, anddi3): These patterns are not available on
23082 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23084 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23085 (PUT_REAL): Likewise.
23087 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23089 * final.c (shorten_branches): Don't add an alignment for loops
23090 that have no label inside.
23092 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23094 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23095 prototypes in macro HAVE_cmpstrsi.
23097 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23099 * emit-rtl.c (operand_subword): Remove unused variable
23102 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23104 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23106 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23108 * cpphash.c (macroexpand): Delete leading whitespace when arg
23109 is concatenated before.
23110 (unsafe_chars): Correct test for whether + and - can extend a
23113 * cppinit.c (cpp_start_read): Do dependencies for
23114 -include/-imacros files also.
23116 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23117 tokenizing non-directive lines.
23118 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23119 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23122 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23124 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23126 * c-lex.c: Sync with C++ frontend.
23127 (linemode): New variable.
23128 (parse_float): imag, conversion_errno, and type are output only.
23129 (yylex): Adjust. Move initial '.' case into main switch.
23131 (handle_generic_pragma): Just deal with tokens.
23132 (readescape): Use ISXDIGIT and ISGRAPH.
23133 * c-parse.in: Add END_OF_LINE token.
23135 * c-lex.c (lang_init): Generalize.
23136 (nextchar): Remove. Replace uses with UNGETC.
23137 (skip_white_space): Handle linemode here. Optimize for cpplib.
23138 (skip_white_space_on_line): Remove.
23139 (extend_token_buffer_to): New fn.
23140 (extend_token_buffer): Use it.
23141 (read_line_number, check_newline): Just deal with tokens.
23142 (token_getch, token_put_back): New fns.
23143 (yylex): Use them. More cpplib optimizations. Simplify.
23145 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23146 Jason Merrill <jason@yorick.cygnus.com>
23148 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23149 (consume_string): Make this smart about USE_CPPLIB.
23150 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23151 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23152 Also, clean up cases where we redundantly set token_buffer[0].
23153 (read_line_number): New fn.
23154 (ignore_escape_flag): New variable.
23156 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23158 * a29k/t-a29kbare: Fix some comments.
23159 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23160 (FPBIT, DPBIT): Define.
23161 * a29k/t-vx29k: Likewise.
23162 * arc/t-arc: Likewise.
23163 * arm/t-arm-elf: Likewise.
23164 * arm/t-bare: Likewise.
23165 * arm/t-pe: Likewise.
23166 * arm/t-pe-thumb: Likewise.
23167 * arm/t-semi: Likewise.
23168 * arm/t-thumb: Likewise.
23169 * arm/t-thumb-elf: Likewise.
23170 * arm/t-thumb-linux: Likewise.
23171 * h8300/t-h8300: Likewise.
23172 * i960/t-i960: Likewise.
23173 * i960/t-vxworks960: Likewise.
23174 * m32r/t-m32r: Likewise.
23175 * mips/t-ecoff: Likewise.
23176 * mips/t-elf: Likewise.
23177 * mips/t-r3900: Likewise.
23178 * pa/t-pro: Likewise.
23179 * rs6000/t-aix43: Likewise.
23180 * rs6000/t-beos: Likewise.
23181 * rs6000/t-newas: Likewise.
23182 * rs6000/t-ppccomm: Likewise.
23183 * rs6000/t-rs6000: Likewise.
23184 * rs6000/t-winnt: Likewise.
23185 * rs6000/t-xnewas: Likewise.
23186 * rs6000/t-xrs6000: Likewise.
23187 * sh/t-sh: Likewise.
23188 * sparc/t-elf: Likewise.
23189 * sparc/t-sparcbare: Likewise.
23190 * sparc/t-sparclite: Likewise.
23191 * sparc/t-splet: Likewise.
23192 * v850/t-v850: Likewise.
23193 * mn10200/t-mn10200: Fix comments.
23194 * mn10300/t-mn10300: Likewise.
23196 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23197 dummy operand. Allocate a new pseudo for the dummy operand.
23198 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23200 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23202 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23204 * configure: Rebuilt.
23205 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23207 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23209 * recog.c (preproces_constraints): Zero recog_op_alt before
23210 processing the constraints.
23212 * arm.c (typedef minipool_node): Renamed from pool_node.
23213 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23214 (add_minipool_constant): New function.
23215 (dump_minipool): New function.
23216 (find_barrier): Remove special case for getting the insn size of
23217 an insn that references the constant pool.
23218 (minipool_fixup): New structure.
23219 (push_minipool_barrier): New function.
23220 (push_minipool_fix): New function.
23221 (note_invalid_constants): New function.
23222 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23223 (arm_reorg): Rewrite code to fix up the constant pool into a
23224 series of mini-pools embedded in the insn stream.
23225 (arm_output_epilogue): New function, made mainly from the body
23226 of output_func_epilogue.
23227 (output_func_epilogue): Move insn generation part of epilogue code
23228 to arm_output_epilogue.
23229 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23230 * arm.md (pool_range): New attribute.
23231 (zero_extendqidi2): Add attribute pool_range.
23232 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23233 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23234 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23235 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23236 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23237 (epilogue): New expand.
23238 (epilogue_insn): New insn. Call arm_output_epilogue.
23240 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23241 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23243 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23245 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23247 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23249 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23251 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23253 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23255 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23257 * global.c: Fix comment.
23259 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23261 * gcc.c (access_check): New static function.
23262 (find_a_file): Use it when searching a directory list.
23263 * collect2.c (find_a_file): Don't accept directories found when
23264 searching a directory list.
23266 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23268 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23269 function parameters with `&'.
23270 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23272 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23274 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23275 or tidy_fallthru_edge if the last insn in the block is not
23276 an unconditional jump or a simple conditional jump.
23278 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23280 * Makefile.in (c-decl.o): Depends on defaults.h.
23282 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23284 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23286 (CLASS_MAX_NREGS): Likewise.
23288 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23290 * cse.c (cse_insn): Fix dumb thinko in last change.
23292 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23294 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23297 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23299 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23300 test for sizes of passed and declared parameter types.
23302 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23304 * fixincludes: Fix the return type of bsearch, char* -> void*.
23306 * fixinc/inclhack.def: Likewise.
23308 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23310 * invoke.texi (-fdump-translation-unit): New option.
23312 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23314 * expr.h (PROMOTE_PROTOTYPES): Move ...
23315 * defaults.h: ... to here.
23316 * c-decl.c: Include defaults.h instead of expr.h.
23317 * c-typeck.c: Include defaults.h.
23319 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23321 * toplev.h (errorcount): Declare.
23322 (warningcount): Likewise.
23323 (sorrycount): Likewise.
23324 * c-lex.c (errorcount): Don't declare.
23325 * dwarf2out.c (errorcount): Don't declare.
23327 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23329 * config/libgloss.h: Add a note discouraging use with ELF.
23330 * configure.in: Don't use libgloss.h for ELF targets.
23331 Always use_collect2 on a.out targets.
23333 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23335 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23336 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23338 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23340 * loop.c (strength_reduce): When doing biv->giv conversion, update
23341 reg note of NEXT->insn.
23343 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23345 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23347 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23349 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23350 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23351 Ensure expr.h is included.
23352 * c-typecheck.c (convert_arguments): Ditto.
23354 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23356 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23357 * config/convex/convex.h: Ditto.
23358 * config/dsp16xx/dsp16xx.h: Ditto.
23359 * config/fx80/fx80.h: Ditto.
23360 * config/gmicro/gmicro.h: Ditto.
23361 * config/i370/i370.h: Ditto.
23362 * config/i386/i386.h: Ditto.
23363 * config/m32r/m32r.h: Ditto.
23364 * config/m68k/m68k.h: Ditto.
23365 * config/m88k/m88k.h: Ditto.
23366 * config/mips/mips.h: Ditto.
23367 * config/pa/pa.h: Ditto.
23368 * config/pyr/pyr.h: Ditto.
23369 * config/tahoe/tahoe.h: Ditto.
23370 * config/we32k/we32k.h: Ditto.
23372 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23373 based on arch size.
23375 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23377 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23380 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23382 1999-08-02 Richard Henderson <rth@cygnus.com>
23384 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23385 for the register spill block.
23386 (m32r_va_arg): New.
23387 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23388 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23390 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23391 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23392 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23394 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23396 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23397 MAX_WCHAR_TYPE defined in sparc.h.
23398 * config/sparc/linuxaout.h: Likewise.
23399 * config/sparc/linux64.h: Likewise.
23400 Also default to -mvis if CPU is UltraSPARC.
23402 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23404 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23405 (RTX_OK_FOR_OLO10): Likewise.
23406 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23407 %lo(), allow it in addresses...
23408 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23409 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23410 does not make sense.
23411 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23412 (sparc_output_scratch_registers): New function.
23413 (output_function_prologue, sparc_flat_output_function_prologue): Use
23415 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23417 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23418 * configure.in: Add check for .register pseudo-op support in as and
23419 check for offsetable %lo().
23420 * acconfig.h: Add templates for the above checks.
23421 * configure: Regenerate.
23423 1999-08-02 Richard Henderson <rth@cygnus.com>
23425 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23426 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23427 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23429 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23431 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23434 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23436 * config/float-sparc.h: New file.
23437 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23438 sparc-*-linux-gnu and sparc64-*-linux*.
23440 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23442 * rs6000.c (rs6000_va_list): Type is an array.
23443 (rs6000_va_start): Don't doubly adjust for varargs.
23444 (rs6000_va_arg): Evaluate long long GPR adjustment.
23446 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23448 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23449 -maix64 and -maix32.
23450 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23451 LINK_SPEC): Change appropriately.
23452 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23453 (u_short_cint_operand): Likewise.
23454 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23456 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23458 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23460 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23462 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23463 for type promotion.
23464 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23465 (non_add_cint_operand): Likewise.
23466 (logical_operand): Likewise.
23467 (non_logical_cint_operand): Likewise.
23468 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23469 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23470 (rs6000_select_rtx_section): Suppress warning.
23471 (small_data_operand): Suppress warning.
23472 (rs6000_got_register): Suppress warning.
23473 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23474 type, so `J' is generally the wrong constraint for a SImode value;
23476 (andsi3_internal2): Likewise.
23477 (andsi3_internal3): Likewise.
23478 (iorsi3_internal1): Likewise.
23479 (xorsi3_internal1): Likewise.
23481 (movsf_softfloat): Likewise.
23482 (scc insns): Likewise.
23483 (movsi+2): Preserve sign bits of SImode constant.
23484 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23485 (movdf+1): Sign-extend properly.
23486 (movdi_32+1): Sign-extend properly.
23487 (scc insns): Sign-extend properly.
23489 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23492 1999-08-02 Richard Henderson <rth@cygnus.com>
23494 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23495 -mcpu parsing code.
23496 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23497 * alpha.md (all fp insns): Likewise.
23499 1999-08-02 Nick Clifton <nickc@cygnus.com>
23501 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23504 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23506 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23507 pic_load_label generator directly.
23508 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23509 No longer a named pattern.
23511 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23513 * explow.c (force_reg): Call force_operand if X does not
23514 satisfy general_operand.
23516 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23518 * fix-header.c (main): When testing for CONTINUED, use string
23519 equality, not pointer equality.
23521 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23523 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23525 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23527 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23528 that has become an unconditional jump.
23530 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23531 (output_function_epilogue): Similarly.
23533 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23535 * tree.h (init_dummy_function_start): Declare.
23537 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23539 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23540 last_expr_type, last_expr_value, block_start_count, block_stack,
23541 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23542 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23543 dynamically in stmt elt of struct function for each function.
23544 (struct nesting): Rename function_call_count elt to n_function_calls,
23545 target_temp_slot_level to block_target_temp_slot_level. All users
23547 (struct stmt_status): New structure definition.
23548 Add many accessor macros for stmt_status elements which previously
23549 were global variables.
23550 (init_stmt_for_function): Allocate stmt elt for current_function.
23551 Reflect that block_start_count was renamed to
23552 current_block_start_count.
23553 (save_stmt_status, restore_stmt_status): Delete functions.
23554 (preserve_subexpressions_p): Don't access loop_stack when outside
23556 (expand_start_bindings): Reflect that block_start_count was renamed to
23557 current_block_start_count.
23558 (expand_fixup): Likewise.
23559 (expand_decl): Don't access block_stack when outside a function.
23560 (expand_decl_cleanup): Likewise.
23561 (expand_dcc_cleanup): Likewise.
23562 (expand_dhc_cleanup): Likewise.
23563 (expand_anon_union_decl): Likewise.
23564 (set_file_and_line_for_stmt): New function.
23565 (in_control_zone_p): New function.
23567 * function.h (struct function): Add new elt stmt.
23568 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23569 case_stack, nesting_stack, nesting_depth, block_start_count,
23570 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23571 emit_lineno, goto_fixup_chain.
23572 (save_eh_status, restore_eh_status, save_stmt_status,
23573 restore_stmt_status): Delete declarations.
23574 * function.c (push_function_context_to): Don't call save_stmt_status.
23575 (pop_function_context_to): Don't call restore_stmt_status.
23576 * tree.h (in_control_zone_p): Declare.
23577 * rtl.h (set_file_and_line_for_stmt): Declare.
23579 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23580 call set_file_and_line_for_stmt.
23582 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23584 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23585 Also update copyright.
23587 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23589 * c-pragma.c: Don't include "except.h".
23590 * emit-rtl.c: Likewise.
23591 * stor-layout.c: Likewise.
23592 * tree.c: Likewise.
23593 * varasm.c: Likewise.
23595 * flow.c: Include "function.h".
23596 * tree.h (init_dummy_function_start): Declare new function.
23598 * except.h (struct eh_status): New structure.
23599 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23601 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23602 catch_clauses, false_label_stack, caught_return_label_stack,
23603 protect_list, current_function_ehc): Add accessor macros for the
23604 corresponding fields in current_function->eh; delete declarations
23605 for all items that used to be declared here.
23606 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23607 catch_clauses, false_label_stack, caught_return_label_stack,
23608 protect_list, current_function_ehc): Delete variables.
23609 (init_eh_for_function): Allocate current_function->eh.
23610 (save_eh_status, restore_eh_status): Delete functions.
23612 * function.h (struct function): Add fields next_global and eh.
23613 Delete all exception handling related fields.
23614 * function.c (current_function): New variable.
23615 (all_functions): New variable.
23616 (push_function_context_to): Don't allocate a struct function,
23617 use current_function instead. Call init_dummy_function_start when
23618 outside a function. Clear current_function before returning.
23619 (pop_function_context_from): Restore current_function.
23620 Don't free the restored struct function.
23621 (prepare_function_start): New function.
23622 (init_dummy_function_start): New function.
23623 (init_function_start): Break out some code into prepare_function_start
23626 * stmt.c (save_stmt_status): Don't call save_eh_status.
23627 (restore_stmt_status): Don't call restore_eh_status.
23629 * Makefile.in: Update dependencies.
23631 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23633 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23634 of depending on a magic constant value. Update comments.
23635 (hppa_expand_prologue): Similarly.
23637 * pa.md (reload_indi, reload_outdi): Allow any register for the
23638 original reload register.
23640 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23642 * cccp.c (print_help): Change marcos to macros.
23644 1999-07-30 Richard Henderson <rth@cygnus.com>
23646 * c-typeck.c (initializer_constant_valid_p): Move ...
23647 * c-common.c (initializer_constant_valid_p): ... here. Use
23648 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23649 of label addresses.
23650 * c-common.h (initializer_constant_valid_p): Declare.
23651 * c-tree.h (initializer_constant_valid_p): Remove.
23653 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23655 * config/i386/sol2-c1.asm: Align the stack.
23656 * config/i386/sol2-gc1.asm: Likewise.
23658 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23660 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23661 -Asparclite for sparc86x.
23662 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23664 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23666 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23668 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23669 the user if using the non-default arch size in BI_ARCH configuration.
23670 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23672 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23673 Fix patterns so that they actually match.
23674 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23675 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23676 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23678 (mulsidi3): Reflect this in the expand.
23679 (smulsi3_highpart): Only on TARGET_ARCH32.
23680 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23681 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23682 (umulsidi3): Reflect this in the expand.
23683 (umulsi3_highpart): Only on TARGET_ARCH32.
23684 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23685 don't require g0 to be zero.
23686 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23687 ({,u}divsi3): New expands.
23688 ({,u}divsi3_sp64): New patterns.
23689 (after lshrdi3_v8plus): Four new patterns to help combiner
23690 optimizing nested mixed mode shifts.
23692 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23693 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23694 speed things up. Don't use them by default on plain v9 in 64bit
23695 mode, according to what SPAMv9 sais.
23697 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23698 top 32 bits of %[og][0-7] in signal handlers.
23699 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23701 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23703 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23704 (ashlsi3): Corresponding changes.
23706 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23708 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23710 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23712 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23714 * arm.h (Hint): Delete macro.
23715 Substitute HOST_WIDE_INT for Hint in some prototypes.
23716 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23718 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23720 * builtins.c (expand_builtin_setjmp): Use force_operand to
23721 make sure that the buffer address is in a suitable form to be
23722 passed to force_reg.
23724 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23726 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23729 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23731 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23732 proper mode in the condition string.
23733 (icacheflush, dcacheflush): Remove modes from match_operands.
23735 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23736 proper mode before using it.
23738 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23741 * pa.c (store_reg): Do not call add_high_const generator directly.
23742 (load_reg, set_reg_plus_d): Likewise.
23743 * pa.md (add_high_const): No longer a named pattern.
23745 * pa.c (legitimize_address): Consistently use Pmode rather than
23746 SImode. Do not call gen_pic2_highpart directly anymore.
23747 * pa.md (pic2_highpart): No longer a named pattern.
23748 (pic2_lo_sum): Similarly. Reformat to make more readable.
23750 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23755 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23757 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23759 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23761 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23762 and tag the spill mems.
23763 (hppa_va_start): New.
23764 (hppa_va_arg): New.
23765 * pa.h (EXPAND_BUILTIN_VA_START): New.
23766 (EXPAND_BUILTIN_VA_ARG): New.
23768 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23770 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23771 and tag the spill mems.
23772 (mn10300_va_start): New.
23773 (mn10300_va_arg): New.
23774 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23775 (EXPAND_BUILTIN_VA_ARG): New.
23777 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23779 * mn10200.c (mn10200_va_arg): New.
23780 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23782 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23784 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23785 rather than play with TREE_INT_CST_LOW.
23787 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23789 * config/arm/telf.h: Include dbxelf.h.
23790 (CPP_PREDEFINES): Only define if not already defined.
23791 (ASM_IDENTIFY_GCC): Likewise.
23792 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23793 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23794 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23796 (DBX_DEBUGGING_INFO): Don't define.
23797 * config/arm/linux-telf.h: New file.
23798 * config/arm/linux-tgas.h: New file.
23799 * config/arm/t-thumb-linux: New file.
23800 * config/arm/uclinux-elf.h: New file.
23801 * config/arm/uclinux-telf.h: New file.
23802 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23803 thumb-*-uclinux): New targets.
23804 * configure: Regenerate.
23806 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23808 * pa.md (post_store, pre_load): New expanders.
23809 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23810 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23811 need to directly generate RTL for them.
23812 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23815 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23817 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23818 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23819 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23820 (secndary_reload_class): Make TARGET_ELF conditional compile.
23821 (print_operand_address): Similar.
23822 (output_toc): Print all values as hex.
23823 (get_issue_rate): Rearrange and add RS64A and PPC630.
23824 * rs6000.h (processor_type): Add RS64A and PPC630.
23825 (PROCESSOR_POWERPC64): New.
23826 (PROMOTE_MODE): Use word_mode.
23827 (RTX_COSTS): Add RS64A and PPC630.
23828 * rs6000.md (scheduling information): Add lmul and ldiv
23829 representing 64-bit integer multiply and divide. Add rs64a and
23830 PPC630 information.
23831 (ashldi3): Add support for "rldic" instruction.
23832 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23834 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23836 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23837 instead of V8 for sparclite86x in cpu_table.
23839 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23841 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23842 output_file_directive.
23844 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23846 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23847 tree for op1, not the rtl.
23849 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23851 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23852 to m88k_va_start, leaving only the register spill.
23853 (m88k_build_va_list): New.
23854 (m88k_va_start): New.
23855 (m88k_va_arg): New.
23856 * m88k.h (BUILD_VA_LIST_TYPE): New.
23857 (EXPAND_BUILTIN_VA_START): New.
23858 (EXPAND_BUILTIN_VA_ARG): New.
23860 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23862 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23863 Rename from expand_builtin_saveregs.
23864 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23866 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23868 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23869 for the register spill block.
23870 (i960_build_va_list): New.
23871 (i960_va_start): New.
23872 (i960_va_arg): New.
23873 * i960.h (BUILD_VA_LIST_TYPE): New.
23874 (EXPAND_BUILTIN_VA_START): New.
23875 (EXPAND_BUILTIN_VA_ARG): New.
23876 * i960.md (store_multiple): Use change_address on individul mems.
23878 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23880 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23882 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23883 (expand_builtin_va_end): Evaluate arg for side effects.
23884 * c-common.c (c_common_nodes_and_builtins): Construct a
23885 va_list_arg_type_node to handle array decomposition to pointer.
23887 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23889 * except.c (st_dynamic_cleanup): Use force_operand on the
23892 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23894 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23895 * c4x.c (c4x_va_arg): New.
23897 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23899 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23900 has manual_pop set.
23902 1999-07-26 Nathan Sidwell <nathan@acm.org>
23904 * eh-common.h (__eh_matcher): Prototype correctly.
23906 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23908 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23909 (TARGET_SINGLE_PIC_BASE): Likewise.
23910 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23912 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23913 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23914 (TARGET_OPTIONS): Add -mpic-register=N.
23915 (OUTPUT_INT_ADDR_CONST): New macro.
23916 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23917 LEGITIMATE_PIC_OPERAND_P): Likewise.
23918 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23919 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23920 output_addr_const directly.
23921 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23923 (thumb_pic_register, thumb_pic_register_string): Declare.
23925 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23927 (label_mentioned_p): New function: Imported from arm.c.
23928 (legitimize_pic_address): New function: Imported from arm.c.
23929 (is_pic):New function: Imported from arm.c.
23930 (thumb_finalize_pic):New function: Imported from arm.c.
23931 (add_constant): Cope with PIC constants.
23932 (fixit): Cope with PIC constants.
23933 (output_return): Do not treat the PIC register as live if
23934 TARGET_SINGLE_PIC_BASE is true.
23935 (thumb_function_prologue): Do not treat the PIC register as live if
23936 TARGET_SINGLE_PIC_BASE is true.
23937 (thumb_expand_prologue): Do not treat the PIC register as live if
23938 TARGET_SINGLE_PIC_BASE is true.
23939 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
23940 TARGET_SINGLE_PIC_BASE is true.
23941 (thumb_print_operand): Accept '|'.
23942 (thumb_override_options): Process PIC options.
23944 * config/arm/thumb.md (movsi): Support PIC.
23945 (call_insn): Change "i" constraint to "X".
23946 (call_value_insn): Likewise.
23947 (consttable_4, consttable_8, consttable_end): Set and clear
23948 "making_const_table" as appropriate.
23949 (pic_load_addr, pic_add_dot_plus_four): New insns.
23951 * invoke.texi (Thumb Options): Fix spelling. Document new
23952 options -msingle-pic-base and -mpic-register=.
23954 1999-07-26 Andrew Haley <aph@cygnus.com>
23956 * config/m32r/initfini.c (__init): Use a full word immediate for
23957 __fini: this allows it to be placed in any memory region.
23959 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
23960 -mmodel=medium. This is OK for all memory models.
23962 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
23964 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
23965 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
23967 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
23969 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
23972 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
23974 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
23976 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
23977 (BUILD_VA_LIST_TYPE): New.
23978 (EXPAND_BUILTIN_VA_START): New.
23979 (EXPAND_BUILTIN_VA_ARG): New.
23980 * i860.c (output_delayed_branch): Disable.
23981 (output_delay_insn): Likewise.
23982 (i860_saveregs): New.
23983 (i860_build_va_list): New.
23984 (i860_va_start): New.
23985 (i860_va_arg): New.
23986 * i860.md: Disable all peepholes using output_delayed_branch.
23987 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
23989 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
23991 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
23992 (BUILD_VA_LIST_TYPE): New.
23993 (EXPAND_BUILTIN_VA_START): New.
23994 (EXPAND_BUILTIN_VA_ARG): New.
23995 * clipper.c (clipper_builtin_saveregs): Only dump registers.
23996 Return the address of the save area.
23997 (clipper_build_va_list): New.
23998 (clipper_va_start): New.
23999 (clipper_va_arg): New.
24001 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24003 * arc.h (EXPAND_BUILTIN_VA_START): New.
24004 (EXPAND_BUILTIN_VA_ARG): New.
24005 * arc.c (arc_setup_incoming_varargs): Set alias set of
24007 (arc_va_start): New.
24010 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24012 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24013 (BUILD_VA_LIST_TYPE): New.
24014 (EXPAND_BUILTIN_VA_START): New.
24015 (EXPAND_BUILTIN_VA_ARG): New.
24016 * alpha.c (alpha_builtin_saveregs): Delete.
24017 (alpha_build_va_list): New.
24018 (alpha_va_start): New.
24019 (alpha_va_arg): New.
24021 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24023 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24025 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24026 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24028 * gcc.texi: More changes related to list conversion.
24029 * invoke.texi: Likewise.
24031 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24033 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24034 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24035 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24036 (stabilize_va_list): New function.
24037 (std_expand_builtin_va_start): New function.
24038 (expand_builtin_va_start): New function.
24039 (get_varargs_alias_set): New function.
24040 (std_expand_builtin_va_arg): New function.
24041 (expand_builtin_va_arg): New function.
24042 (expand_builtin_va_end): New function.
24043 (expand_builtin_va_copy): New function.
24044 (expand_builtin): Call them.
24045 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24046 __builtin_{varargs_start,stdarg_start,end,copy}.
24047 (build_va_arg): New function.
24048 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24049 (build_va_arg): Declare.
24050 * c-decl.c (ptr_type_node, va_list_type_node): New.
24051 * c-parse.gperf (__builtin_va_arg): New.
24052 * c-parse.in (VA_ARG): New token.
24053 (unary_expr): Recognize it.
24054 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24055 * expr.h (std_expand_builtin_va_start): Declare.
24056 (std_expand_builtin_va_arg): Declare.
24057 (expand_builtin_va_arg): Declare.
24058 (get_varargs_alias_set): Declare.
24059 * tree.def (VA_ARG_EXPR): New.
24060 * tree.h (BUILT_IN_VARARGS_START): New.
24061 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24062 (ptr_type_node, va_list_type_node): Declare.
24063 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24064 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24065 * m88k.h, m88k.c: Likewise.
24066 * mn10300.h, mn10300.c: Likewise.
24067 * pa.h, pa.c: Likewise.
24068 * rs6000.h, rs6000.c: Likewise.
24069 * sh.h, sh.c: Likewise.
24070 * sparc.h, sparc.c: Likewise.
24072 * emit-rtl.c (operand_subword): Copy alias set.
24073 (change_address): Likewise.
24075 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24077 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24078 not just the first one.
24080 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24082 * config/arm/arm.h (TARGET_SWITCHES): Add
24083 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24084 (TARGET_OPTIONS): Add -mpic-register=.
24085 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24086 (arm_pic_register_string): Declare.
24087 (NEED_PLT_GOT): Delete, replace with ...
24088 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24089 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24090 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24091 * config/arm/arm.c (arm_override_options): Add new option
24093 (arm_pic_register_string): New variable.
24094 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24095 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24096 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24097 (output_return_instruction): Likewise.
24098 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24099 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24100 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24102 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24103 mention of -msched-prolog. Document new options -msingle-pic-base
24104 and -mpic-register=.
24106 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24108 * haifa-sched.c (reemit_notes): Tidy.
24109 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24112 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24114 * explow.c (trunc_int_for_mode): New function.
24115 (plus_constant_wide): Use it.
24116 * combine.c (simplify_and_const_int): Likewise.
24117 (merge_outer_ops): Likewise.
24118 (simplify_shift_const): Likewise.
24119 * cse.c (simplify_unary_operation): Likewise.
24120 (simplify_binary_operation): Likewise.
24121 * emit-rtl.c (operand_subword): Likewise.
24122 * rtl.h: Declare it.
24124 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24126 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24127 (use NUM_REGS instead of NUM_INTS).
24129 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24131 * builtins.c: New file.
24132 * expr.c (saveregs_value, apply_args_value): Delete definition,
24133 moved into builtins.c.
24134 (string_constant): No longer static.
24135 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24136 apply_args_size, apply_result_size, result_vector,
24137 expand_builtin_apply_args, expand_builtin_apply,
24138 expand_builtin_return): Delete functions, moved into builtins.c.
24139 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24140 * expr.h (saveregs_value, apply_args_value): Declare variables.
24141 (expand_builtin, string_constant): Declare functions.
24142 * Makefile.in: Update to build builtin.o.
24144 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24146 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24147 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24148 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24149 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24151 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24154 1999-07-21 Michael Meissner <meissner@cygnus.com>
24156 * print-rtl.c (print_rtx): Print the names of the virtual
24159 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24161 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24162 introduced in previous delta.
24164 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24166 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24167 to avoid name clash.
24169 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24171 * c-lex.c (yylex) : Correct the test for overflow when lexing
24174 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24176 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24177 (adjust_priority): Always call ADJUST_PRIORITY.
24178 (schedule_insn): Only put insns into the ready at cost 0.
24179 (schedule_block): Remove redundant initial sort. Give clock_var
24180 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24182 * tm.texi (MD_SCHED_REORDER): Update docs.
24184 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24185 * sparc.c (ultra_reorder_called_this_block): Delete.
24186 (ultrasparc_sched_init): Don't set it.
24187 (ultrasparc_sched_reorder): Don't check it.
24189 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24191 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24192 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24193 (function_arg_boundary): Align DFmode.
24194 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24195 to get fp reg and stack overflow correct.
24196 (function_arg): Likewise.
24197 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24198 (setup_incoming_varargs): Restructure for ABI_V4; use
24199 function_arg_advance to skip final named argument.
24200 (expand_builtin_saveregs): Properly unskip the last integer arg
24201 when doing varargs. Adjust overflow location calculation.
24203 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24204 explicitly unsigned.
24205 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24206 (__VA_GP_REGSAVE): Similarly.
24207 (__va_longlong_p): Delete.
24208 (__va_arg_type_violation): New declaration.
24209 (va_arg): Restructure. Flag promotion errors. Align double.
24210 TFmode passed by reference.
24212 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24213 in the HOST_BITS_PER_WIDE_INT > 32 case.
24215 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24217 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24219 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24221 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24222 * toplev.c (documented_lang_options): Add -fpreprocessed.
24223 * cpplib.h (struct cpp_buffer): Add preprocessed.
24224 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24225 (cpp_start_read): Don't expand macros or emit an initial #line
24226 directive if -fpreprocessed.
24228 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24230 * cpplib.h (struct cpp_buffer): Added manual_pop for
24231 better C++ tokenization.
24232 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24233 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24234 * c-common.c (cpp_token): Make non-static.
24236 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24238 * c-common.h: New file.
24239 * c-common.c (permanent_obstack): Delete unused declaration.
24240 (c_global_trees): New array.
24241 (c_common_nodes_and_builtins): New function; split off common code
24242 from init_decl_processing in both c-decl.c and cp/decl.c.
24243 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24244 c_global_trees and accessor macros defined in c-common.h.
24245 Include c-common.h.
24246 * c-decl.c: Delete definitions for tree nodes that were replaced by
24248 (init_decl_processing): Build void_list_node.
24249 Call c_common_nodes_and_builtins; delete code to generate the common
24251 * objc/objc-act.c (build_module_descriptor): Rename variable
24252 void_list_node to avoid clash with c-common.h.
24254 * Makefile.in: Update dependencies.
24255 * objc/Make-lang.in: Likewise.
24257 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24259 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24260 (UNIQUE_SECTION_P): Likewise.
24261 (UNIQUE_SECTION): Likewise.
24263 1999-07-19 Linas Vepstas <linas@linas.org>
24265 * config/i370/README: New file.
24266 * config/i370/linux.h: New file.
24267 * config/i370/mvs.h: New file.
24268 * config/i370/oe.h: New file.
24269 * config/i370/t-linux: New file.
24270 * config/i370/t-mvs: New file.
24271 * config/i370/t-oe: New file.
24272 * config/i370/x-oe: New file.
24273 * config/i370/xm-linux.h: New file.
24274 * config/i370/xm-mvs.h: New file.
24275 * config/i370/xm-oe.h: New file.
24277 * i370.c (label_node_t): Add first_ref_page, label_addr,
24278 label_first_ref, label_last_ref members.
24279 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24280 (MAX_MVS_LABEL_SIZE): Define.
24281 (MAX_LONG_LABEL_SIZE): Define.
24282 (alias_node_t, alias_anchor, alias_number): New.
24283 (mvs_function_table): Reorder for EBCDIC.
24284 (ascebc, ebcasc): Unconditionally define.
24285 (i370_branch_dest, i370_branch_length): New functions.
24286 (i370_short_branch, i370_label_scan): New functions.
24287 (mvs_get_label): Renamed from mvs_add_label. Search for
24288 an existing label before creating a new one.
24289 (mvs_add_label): New function.
24290 (mvs_get_label_page): New function.
24291 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24292 over the entire list.
24293 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24294 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24295 (mvs_add_alias, mvs_need_alias): New functions.
24296 (mvs_get_alias, mvs_check_alias): New functions.
24297 (handle_pragma): New function.
24298 (mvs_function_check): New function.
24299 (unsigned_jump_follows_p): Search harder.
24300 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24301 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24302 * i370.h (TARGET_VERSION): Delete.
24303 (CPP_SPEC, CPP_PREDEFINES): Delete.
24304 (mvs_label_emitted): Delete.
24305 (TARGET_EBCDIC): Delete.
24306 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24307 (HANDLE_PRAGMA): Define.
24308 (HARD_REGNO_NREGS): Handle complex modes.
24309 (HARD_REGNO_MODE_OK): Likewise.
24310 (CLASS_MAX_NREGS): Likewise.
24311 (RET_REG): Likewise.
24312 (EXTRA_CONSTRAINT): Define.
24313 (RETURN_IN_MEMORY): True for DImode.
24314 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24315 (FUNCTION_PROFILER): Delete.
24316 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24317 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24318 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24319 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24320 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24321 (ASM_FILE_START): Add "RMODE ANY".
24322 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24323 (ASM_GLOBALIZE_LABEL): Likewise.
24324 (ASM_OUTPUT_LABELREF): Likewise.
24325 (ASM_OUTPUT_COMMON): Likewise.
24326 (PRINT_OPERAND): Handle 'K', 'W', default.
24327 (PRINT_OPERAND_ADDRESS): New.
24328 (Lots of defines): Add support for TARGET_ELF_ABI.
24329 * i370.md (attr length): New. Define for all patterns.
24330 (*): Lots of tweeks to assembly output and constraints.
24332 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24334 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24335 Disable patterns performing SImode comparisons with SImode values
24336 if TARGET_POWERPC64 and instruction does not sign-extend or does
24337 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24338 differ for signed quantities.
24339 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24340 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24341 (decrement_and_branch_on_count): Add 64-bit variant.
24343 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24345 * final.c (output_asm_insn): When searching for the matching string
24346 for a given dialect, don't run past the end of the list of
24347 alternatives if there are fewer alternatives in the template than
24350 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24352 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24353 Removed paragraph about compression of files and size limitation,
24354 duplicated in the FAQ. Use gcc-patches for posting patches.
24355 * gcc.c (main): Updated URL with bug reporting instructions to
24356 gcc.gnu.org. Removed e-mail address.
24357 * system.h (abort): Likewise.
24359 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24361 * Makefile.in (stmp-multilib-sub): Make the files extracted
24362 from $(LIBGCC1) writable.
24364 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24366 * config/arm/aout.h: Reformat for improved readability.
24368 * config/arm/arm.h: Reformat for improved readability.
24369 Replace uses of fprintf with asm_fprintf where appropriate.
24370 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24371 function declaration assembler actions.
24372 (NUM_INTS): New macro: Convert from bytes to words.
24373 (NUM_REGS): New macro: Compute number of registers required to
24374 hold a quanitity of tyep MODE.
24375 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24377 (NUM_ARG_REGS): New macro: The number of argument registers
24379 (ARG_REGISTER): New macro: Compute the register number of the Nth
24381 (LAST_ARG_REGNUM): New macro: The number of the last argument
24383 (SP_REGNUM): New macro: Register number of the stack pointer.
24384 (FP_REGNUM): New macro: Register number of the frame pointer.
24385 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24386 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24387 CUMULATIVE_ARGS so that it counts registers not bytes.
24389 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24391 Replace uses of fprintf with asm_fprintf where appropriate.
24392 (output_ascii_pseudo_op): Replace with version from thumb.c
24394 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24396 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24397 SUBTARGET_CPP_SPEC.
24398 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24399 (ASM_FILE_START): Emit ASM_APP_OFF.
24401 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24403 * pa.c (compute_frame_size): Round frame according to
24404 STACK_BOUNDARY rather than a hardwired value.
24406 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24408 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24410 * configure: Rebuilt.
24412 * configure.in (hppa*-*-linux*): New configuration.
24413 * configure: Rebuilt.
24414 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24415 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24416 * pa/pa-linux.h: New file.
24417 * pa/t-linux: New file.
24418 * pa/xm-linux.h: New file.
24420 * pa.c (hppa_legitimize_address): Change references from SImode to
24421 either Pmode or word_mode as appropriate.
24422 (emit_move_sequence, store_reg, load_reg): Likewise.
24423 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24424 (output_mul_insn): Likewise.
24425 * pa.h (PROMOTE_MODE): Likewise.
24426 (INITIALZE_TRAMPOLINE): Likewise.
24427 (Pmode): Define to word_mode.
24429 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24430 value of 4. Allocate 8 bytes for each FP register save.
24431 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24433 (hppa_expand_prologue): Likewise.
24434 * pa.h (PROMOTE_MODE): Likewise.
24435 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24436 (FUNCTION_ARG_BOUNDARY): Likewise.
24438 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24440 * pa.c (out_of_line_prologue_epilogue): Delete.
24441 (override_options): Remove -mspace related code.
24442 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24443 (compute_frame_size): Only allocate space for register that
24444 actually need to be saved.
24445 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24446 (TARGET_SWITCHES): Remove -mspace, -mno-space
24447 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24448 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24449 * pa/ee.asm, pa/ee_fp.asm: Delete.
24451 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24453 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24454 directive in column zero.
24456 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24458 * m68k.c (output_function_prologue): Fix computation of save mask
24459 when generating PIC code.
24461 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24463 * tree.c (build_type_attribute_variant): Move current_obstack restore
24464 after build_qualified_type call.
24466 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24468 * configure.in: Use t-iris6, even with GNU LD.
24469 * config/mips/iris6gld.h: Fix typo in linker spec.
24470 * config/mips/t-iris6gld: Remove.
24472 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24474 * rs6000.md (insv, extzv): Remove SImode dependence in named
24475 patterns. Explicitly generate DImode RTL if PowerPC64 and
24477 (insvdi): Reverse start and size in instruction template.
24479 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24481 * invoke.texi: Typo fixes.
24483 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24485 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24486 handle at this time instead of silently generating incorrect code.
24487 (gen_imagpart): Likewise.
24489 * reload.c (find_reloads): Emit a USE for a pseudo register without
24490 a hard register if we could not create an optional reload for the
24493 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24495 * c-typeck.c (output_init_element, process_init_element):
24496 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24497 check for nameless bit fields.
24499 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24501 * regclass.c (scan_one_insn): Notice subregs that change the
24502 size of their operand.
24503 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24505 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24507 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24508 * configure: Rebuilt.
24509 * alpha/t-ieee: New file.
24511 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24513 * rs6000.c (find_addr_reg): Do not select r0 as an address
24516 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24518 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24520 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24522 * rs6000.md (movsf): Do not force easy FP constants into memory.
24524 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24525 immed_double_const to ensure they are properly truncated then
24528 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24530 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24531 always unless NO_DEBUG is used. Compile this code
24533 (replace_symbols_in_block): Compile it unconditionally.
24535 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24537 * configure.in (i?86-*-elf*): New target.
24538 * configure: Rebuilt.
24539 * i386/i386elf.h, i386/t-i386elf: New files.
24541 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24543 * toplev.c (main): Don't complain about saying -gdwarf.
24544 (rest_of_compilation): Remove redundant code.
24546 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24548 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24550 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24552 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24553 "Li960R:", to avoid name clash.
24555 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24557 * loop.c (check_dbra_loop): When reversing a loop, delete all
24558 REG_EQUAL notes referencing the reversed biv except those which are
24559 for a giv based on it.
24561 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24563 * version.c: Drop "gcc-" prefix from version #.
24565 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24567 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24568 the label if we're being verbose.
24570 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24572 * m68k.c (output_function_prologue): Add pic register to mask
24573 if live and flag_pic.
24574 (output_function_epilogue): Likewise.
24576 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24578 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24579 directives in column zero.
24581 * pa/elf.h (ASM_FILE_START): Define.
24582 * pa/som.h (ASM_FILE_START): Include .level directives.
24583 * pa/hpux10.h (ASM_FILE_START): Delete.
24584 * pa/hpux11.h (ASM_FILE_START): Delete.
24586 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24588 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24590 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24591 when reload_out equals reload_in.
24593 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24595 * invoke.texi (Spec Files): New node: Describe the contents of
24598 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24600 * invoke.texi (DEC Alpha Options): Put @end table at
24601 beginning of line, to avoid confusing texi2html.
24603 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24605 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24606 introduced in previous delta.
24608 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24610 * reload1.c (gen_reload): When synthesizing a 3 operand add
24611 sequence, improve test for when to reload OP1 into the reload
24612 register instead of OP0.
24614 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24616 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24618 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24620 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24623 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24625 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24626 (va_dcl): Use __builtin_va_alist_t.
24628 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24630 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24631 on the permanent_obstack.
24632 * dwarfout.c (output_type): Likewise.
24634 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24636 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24637 Merged from c-typeck.c and cp/typeck.c.
24638 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24639 Merged into c-common.
24641 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24643 * c-lex.c (errorcount): Declare it.
24644 (finish_parse): Update errorcount when using CPPLIB.
24646 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24648 * fixinc/inclhack.def(end_else_label): Double the backslash so
24649 sed gets a chance to see it.
24650 * fixinc/inclhack.sh: regen
24651 * fixinc/fixincl.x: regen
24653 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24655 Add framework to support armv5 architecture when it becomes
24658 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24659 (arm_arch5): New variable.
24660 (all_architectures): Add armv5 line.
24661 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24662 -march=armv5 is specified on the command line.
24663 (arm_arch5): Export this variable.
24664 * invoke.texi: Document new string accepted by -march= switch for
24667 * config/arm/arm.h: Replace use of constant 12 as a register
24668 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24669 * config/arm/arm.c: Replace use of constant 12 as a register
24670 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24672 * config/arm/elf.h: Tidy up.
24673 * config/arm/coff.h: Tidy up.
24675 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24677 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24678 * gcc/config/mips/t-iris6gld: New file.
24679 * gcc/config/mips/iris6gld.h: Likewise.
24681 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24683 * c-decl.c (widest_integer_literal_type_node,
24684 widest_unsigned_literal_type) : New.
24685 (init_decl_processing): Handle/use the two new types.
24686 * c-common.c (type_for_size,type_for_mode) : Same.
24687 * c-lex.c (yylex) : Same.
24688 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24690 * c-tree.h (widest_integer_literal_type_node,
24691 widest_unsigned_literal_type) : New.
24693 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24695 * dwarfout.c (field_byte_offset): Correctly compute the object's
24696 byte offset for the first bit of a field which crosses an alignment
24697 boundary on a !BYTES_BIG_ENDIAN target.
24699 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24701 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24704 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24705 Jeff Law <law@cygnus.com>
24707 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24710 * except.c: Include intl.h.
24711 (expand_eh_return): Set current_function_cannot_inline.
24712 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24713 * function.h (struct function): Add eh_return_stub_label.
24714 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24715 * Makefile.in (except.o): Depend on intl.h.
24717 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24719 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24720 same as offsettable in cases 1 and 2.
24722 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24724 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24725 (extlh, extwh): Likewise.
24727 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24729 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24731 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24733 * configure.in: Add arm-pe and thumb-pe targets.
24734 * configure: Regenerate.
24736 * thumb.c (arm_naked_function_p): New function: Determines if
24737 a function is naked (has no gcc generated prologue/epilogue).
24738 (is_called_in_ARM_mode): Return true if the func has the
24739 interfacearm attribute.
24740 (output_return): Do not generate a return for naked functions.
24741 (thumb_function_prologue): Do not generate a prologue for
24743 (thumb_expand_prologue): Do not generate a prologue for naked
24745 (thumb_expand_epilogue): Do not generate an epilogue for naked
24747 (arm_valid_machine_decl_attribute): New function, copied from
24748 arm.c: Permit naked and interfacearm attributes.
24750 * config/arm/pe.c: New file: Support code for arm-pe target.
24751 * config/arm/pe.h: New file: Header file for arm-pe target.
24752 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24753 * config/arm/t-thumb-pe: New file: Makefile fragment for
24756 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24758 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24759 -fPIC or -fpic is specified.
24761 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24763 * expr.c (emit_block_move): Use copy_to_mode_reg for
24764 !TARGET_MEM_FUNCTIONS case too.
24766 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24768 * configure: Rebuilt.
24769 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24770 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24771 definitions made redundant by dbxelf.h inclusion. Delete
24772 lots of definitions related to assembly output that are
24773 specific to the SOM object format.
24774 * pa.c (output_function_prologue): Do not emit the function's
24776 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24777 * pa-pro.h: Deleted.
24778 * som.h: New file with SOM specific definitions.
24779 * elf.h: New file with ELF specific definitions.
24781 * elfos.h (const_section): Output a tab before assembler directives.
24782 (ctors_section, dtors_section): Likewise.
24783 (ASM_OUTPUT_SECTION_NAME): Likewise.
24785 * pa/pa1.h: Delete unused file.
24787 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24789 * configure.in (hppa*-hp-hpux11*): New configuration.
24790 * configure: Rebuilt.
24791 * pa/pa-hpux11.h: New file.
24792 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24795 * mips.md (leasi, leadi): New patterns.
24797 * expr.c (emit_block_move): Properly handle case where one of the
24798 block move arguments has a queued increment or decrement.
24799 (clear_storage): Similarly. Fix formatting goof.
24801 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24803 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24804 semicolon from the BSD VA_LIST replacement expression.
24806 * fixinc/inclhack.sh: regen
24807 * fixinc/fixincl.x: regen
24809 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24810 now use the fixincl program.
24812 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24814 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24815 case. Also make the PIC register call_used.
24817 * m68k.h (FINALIZE_PIC): Delete.
24818 * m68k.c (finalize_pic): Delete.
24820 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24822 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24825 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24827 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24829 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24831 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24833 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24835 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24837 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24839 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24841 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24843 * rs6000.c (output_toc): Always use hex values for floating-point
24844 constants. Store single-precision values in upper-half of TOC
24845 entry in 64-bit mode.
24846 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24847 to final constraints.
24848 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24849 (fctiwz): Improve accuracy of RTL for pattern.
24851 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24853 * expr.c (expand_expr): Allow RTL_EXPR's through the
24854 MAX_INTEGER_COMPUTATION_MODE checks.
24856 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24858 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24859 such that MASK_SUPPORT_ARCH is not negative.
24861 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24863 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24864 ADDR_DIFF_VEC insns that appear inside loops.
24866 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24867 Jeff Law <law@cygnus.com>
24869 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24870 Handle LO_SUM the same as offsettable in cases 1 and 2.
24871 * rs6000.c (find_addr_reg): Revert previous patch.
24873 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24875 * system.h (strstr): New external function declaration.
24876 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24877 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24878 * config.in, configure: Rebuilt.
24880 1999-06-24 Tom Tromey <tromey@cygnus.com>
24882 * gcc.c (main): Read user-specified specs files after computing
24883 additional startfile_prefixes.
24885 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24887 Revert these two patches:
24889 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24890 * loop.c (strength_reduce): When doing biv->giv conversion, update
24891 reg note of NEXT->insn.
24893 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24894 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24896 (recombine_givs): Set ix field after sorting.
24898 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24900 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24901 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24903 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24905 *fixinc/inclhack.def: Add fix development commentary
24906 (read_ret_type): reactivate and add selection clause
24907 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24908 *fixinc/{fixincl.x|inclhack.sh}: regen
24910 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24912 * expr.c (expand_expr): STRIP_NOPS before checking against
24913 MAX_INTEGER_COMPUTATION_MODE
24914 (check_max_integer_computation_mode): Likewise.
24916 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24918 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24920 1999-06-22 Jim Wilson <wilson@cygnus.com>
24922 * expr.c (store_expr): When target is a promoted subreg, return a
24923 promoted subreg as a result.
24925 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24927 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24929 (dwarf2out_define): Mark unused parameters appropriately.
24930 (gen_unspecified_parameters_die): Ditto.
24931 (gen_subprogram_die): Fix signed/unsigned warnings.
24932 (gen_variable_die): Ditto.
24934 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
24936 * fixinc/inclhack.def(end_else_label): combined else_label
24937 and endif_label and fixed the sed expression.
24938 *fixinc/{fixincl.x|inclhack.sh}: regen
24940 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
24942 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
24943 'x' when handling non-offsettable addresses
24945 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
24947 * final.c (shorten_branches): Don't try to split an insn that has
24950 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
24952 * config/mips/mips.c (symbolic_expression_p): New function.
24953 (mips_select_rtx_section): Put symbolic expressions in the
24954 data section, not the read-only data section.
24956 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
24958 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
24960 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
24962 * collect2.c (main): Log frame table count.
24963 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
24964 (scan_prog_file) [COFF]: Handle frame tables.
24966 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
24967 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
24968 * alpha/elf.h: Undef them again.
24969 * alpha/vms.h: Remove their definitions.
24971 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24973 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
24974 remove the clobber of r0 and change the REG_UNUSED note to
24977 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
24979 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
24980 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
24981 fits in HOST_WIDE_INT and one uses union to access a long constant
24984 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
24986 * sparc.c (sparc_override_options): Don't allow profiling for
24987 code models other than medlow.
24988 (sparc_function_profiler): New function from old FUNCTION_PROFILER
24989 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
24990 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
24991 (sparc_block_profiler): Likewise.
24992 (sparc_function_block_profiler_exit): Likewise.
24993 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
24994 (FUNCTION_BLOCK_PROFILER): Likewise.
24995 (BLOCK_PROFILER): Likewise.
24996 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
24997 (MCOUNT_FUNCTION): New.
24998 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
24999 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25000 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25001 (MCOUNT_FUNCTION): New.
25002 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25003 (BLOCK_PROFILER): Delete.
25004 (MCOUNT_FUNCTION): New.
25006 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25008 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25010 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25012 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25015 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25018 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25021 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25024 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25026 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25029 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25031 * i386/djgpp.h (LIB_SPEC): New.
25032 (STARTFILE_SPEC): New.
25034 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25036 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25038 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25041 * system.h (WSTOPSIG): New macro.
25043 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25045 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25047 (insert_pack_attributes): Take into account member natural
25050 * i386/winnt.c (exports_head): New static variable.
25051 (i386_pe_record_exported_symbol): New function.
25052 (i386_pe_asm_file_end): Use.
25053 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25054 symbols to be emitted at end of assembly.
25055 (ASM_DECLARE_OBJECT_NAME): Likewise.
25056 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25058 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25061 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25063 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25066 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25068 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25069 zapping reg_last_uses directly.
25070 (sched_analyze_2, sched_analyze_insn): Likewise.
25071 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25073 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25075 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25076 attributes for cases 1 and 2.
25078 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25080 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25083 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25085 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25087 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25089 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25090 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25091 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25092 must be stacked if it is used for PIC accesses.
25093 * arm.c (use_return_insn): Handle PIC register specially.
25094 (output_return_instruction): Likewise.
25095 (output_func_{prologue,epilogue}): Likewise.
25096 (output_expand_prologue): Likewise.
25098 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25099 (*strsi_predec): Renamed from *strqi_predec.
25100 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25101 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25103 * arm.c (arm_override_options): Remove warning about PIC code
25104 not being supported.
25106 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25108 * rs6000.c (find_addr_reg): New function.
25109 * rs6000.h (find_addr_reg): Declare.
25110 (offsettable_addr_operand): Delete.
25111 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25112 from and stores to GPRs.
25114 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25116 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25117 gen_sequence as argument to emit_no_conflict_block.
25119 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25121 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25122 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25123 *fixinc/fixincl.x: regen
25124 *fixinc/inclhack.sh: regen
25126 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25128 * added support for -mpcrel (PC relative addressing for m68k)
25129 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25130 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25131 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25132 (comments for general_src_operand): Add some explanation
25133 about EXTRA_CONSTRAINTS.
25134 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25135 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25136 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25137 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25138 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25139 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25140 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25141 if not already set.
25142 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25143 * m68k.h (TARGET_PCREL): New target flag.
25144 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25145 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25146 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25147 contains a SYMBOL_REF. Relax this constraint during reload, since
25148 we want to use the predicates, not reload's built-in concept of a
25149 valid memory address, to control what insns need reloading.
25150 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25151 operands (essentially 'g', 'm', and 's' under normal circumstances).
25152 * m68k.c (print_operand): Cause printing of pc-relative addresses
25153 to include pc register.
25154 (print_operand_address): Ditto.
25155 (general_src_operand): Accept operands that are not only
25156 general_operands, but are also valid when used as a pc-relative
25158 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25159 (memory_src_operand): Similar, for memory_operands.
25160 (pcrel_address): New predicate to accept the special case of a
25161 pc-relative address.
25162 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25163 QImode insns to accept *_src_operand instead of *_operand where
25164 pc-relative operands can fit. For example, a pc-relative operand
25165 can be used as a memory source operand for addsi3, but not as a
25166 memory destination.
25167 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25169 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25171 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25172 .thumb_set pseudo op to mark aliases of thumb functions.
25174 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25176 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25177 preference to ASM_OUTPUT_DEF, if it is defined.
25179 * tm.texi: Document new, optional target macro
25180 ASM_OUTPUT_DEF_FROM_DECLS.
25182 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25184 * fixincludes: ISCNTL patch
25185 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25186 (dgux_int_varargs): new for DG/UX
25187 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25189 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25191 * invoke.texi (ia32 options): Fix typo.
25193 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25195 * loop.c (strength_reduce): When doing biv->giv conversion, update
25196 reg note of NEXT->insn.
25198 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25200 * loop.c (move_movables): Note issues with replacing REGs with
25202 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25204 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25206 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25208 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25209 the reference to `mcount' was not correct for the ELF on FreeBSD.
25211 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25213 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25216 (recombine_givs): Set ix field after sorting.
25218 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25220 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25221 to safe to extract a subword out of a REG.
25223 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25225 * sh.md (mulsi3): Don't add a no-op move at the end.
25227 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25229 * cse.c (cse_insn): Don't put hard register source into tables for
25230 the last insn of a libcall.
25232 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25234 * loop.c (strength_reduce): Insert sets of derived givs at every
25235 biv increment, even if it's the only one.
25237 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25239 * dwarfout.c (add_incomplete_type): New fn.
25240 (output_type): Call it.
25241 (retry_incomplete_types): New fn.
25242 (dwarfout_finish): Call it.
25244 From Eric Raskin <ehr@listworks.com>:
25245 (output_type): Output types for bases.
25247 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25249 * mips.c (mips_output_conditional_branch): Add `break'
25250 between `default' label and `close braces'.
25252 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25254 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25255 specifications and make it realistic.
25256 (LIB_SPEC): Likewise.
25258 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25260 * config/mips/mips.c (mips_secondary_reload_class): Check for
25261 (PLUS (SP) (REG)) and return appropriate register class.
25262 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25263 Handle (PLUS (SP) (REG)).
25264 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25265 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25266 of emit_insn for tablejump.
25268 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25270 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25271 asm_fprintf format string by itself.
25272 (output_function_profiler): Likewise.
25274 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25276 * combine.c (simplify_logical, case AND): Only call
25277 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25278 or the constant is positive.
25280 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25282 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25283 * configure: Regenerate.
25285 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25287 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25288 require a sub-version #.
25289 * configure: Rebuilt.
25291 1999-06-14 Robert Lipe (robertlipe@usa.net)
25293 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25295 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25297 * c-typeck.c (process_init_element): Detect excess elements in
25298 char array initializer.
25300 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25302 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25304 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25306 * invoke.texi (Option Summary): Add -fpermissive flag.
25308 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25310 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25311 that require PIC code sequences.
25313 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25315 * configure.in: Add new target: thumb-elf.
25316 * configure: Regenerate.
25317 * config/arm/t-thumb-elf: New file: Makefile fragment for
25319 * config/arm/telf.h: New file: Header file for thumb-elf
25322 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25324 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25325 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25326 initializers is some circumstances.
25328 * fixinc/inclhack.def (endif_label): Add additional selector for
25329 more bogus stuff after #endif statements.
25330 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25332 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25334 * i386/cygwin.h (SET_ASM_OP): Define.
25336 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25338 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25340 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25342 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25345 * sh.md (ic_invalidate_line_i): Remove second alternative.
25347 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25349 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25350 test for the presence of valid prototypes. Delete bypass expr.
25351 (ioctl_fix_ctrl): Correct the selection expression.
25352 (no_double_slash): Correct quoting rules
25353 *fixinc/fixincl.x: regen
25354 *fixinc/inclhack.sh: regen
25356 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25358 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25360 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25362 * rs6000.md (movsi_got_internal_mem): Delete.
25363 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25364 (GOT_TOC_REGNUM): Delete.
25365 (PIC_OFFSET_TABLE_REGNUM): Define.
25366 (FINALIZE_PIC): Disable.
25367 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25368 (rs6000_replace_regno): Delete.
25369 (rs6000_finalize_pic): Likewise.
25370 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25372 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25374 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25375 is a note; use <= for the compare; advance P while it is
25378 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25380 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25381 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25383 * varasm.c (remove_from_pending_weak_list): Verify t->name
25384 is non-NULL before passing it to strcmp.
25386 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25388 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25389 the typed arguments are not part of a comment
25390 (ioctl_fix_ctrl): Added a purpose comment
25391 *fixinc/fixincl.x: regenerate
25392 *fixinc/inclhack.sh: regenerate
25394 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25396 * invoke.texi: Add C4x invocation docs.
25398 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25400 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25402 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25404 (c4x_legitimize_reload_address): New function.
25405 * config/c4x/c4x.md: Update docs.
25407 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25409 * fixincludes: Avoid removing '.'.
25410 * fixinc/fixinc.svr4: Likewise.
25411 * fixinc/fixinc.winnt: Likewise.
25412 * fixinc/inclhack.tpl: Likewise.
25413 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25415 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25417 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25419 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25421 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25423 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25426 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25428 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25429 * configure: Regenerate.
25431 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25433 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25436 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25438 * fixinc/inclhack.def (avoid_bool): Also catch
25439 "typedef [unsigned] int bool".
25440 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25442 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25443 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25444 * configure: Rebuilt.
25446 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25448 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25449 such that we can override its definitions if necessary.
25450 (CPP_SPEC): New define. Support processor specific predefines via
25452 (CC1_SPEC): New define. Support processor specific compiler
25453 options via %(cc1_cpu).
25454 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25457 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25459 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25460 between sed's -e flag, and the open-quote following it.
25461 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25463 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25464 Jeffrey A Law (law@cygnus.com)
25466 * varasm.c (assemble_start_function): Remove the function
25467 from the pending weak decls list when we define a function.
25468 (assemble_variable): Similarly for variables.
25469 (weak_finish): Ignore items on the list with a NULL name.
25470 (remove_from_ending_weak_list); New function to "remove" an item
25471 from the pending weak declarations list.
25473 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25475 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25477 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25479 * c-lex.c (GETC): Redefine to call getch.
25480 (UNGETC): Redefine to call put_back.
25481 (putback_buffer): New structure type.
25482 (putback): New static structure.
25483 (getch): New function.
25484 (put_back): New function.
25485 (yylex): Replace unused bytes from bad multibyte character.
25487 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25489 * cpplib.c (do_define): Cast `alloca' return value.
25490 (do_include, do_undef, do_pragma): Likewise.
25491 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25493 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25494 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25496 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25498 * sparc.md (abstf2): This should be an expand.
25499 (split after abstf2_notv9): Fix mode.
25500 (abstf2_hq_v9): New pattern.
25501 (abstf2_v9): Only use when no hard quad.
25502 (absdf2_v9): Fix if target is not the same as source.
25503 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25504 Add correct output constraints.
25506 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25508 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25509 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25511 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25513 * mips.h (mips_output_conditional_branch): New function.
25514 (mips_adjust_insn_length): Likewise.
25515 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25516 (ADJUST_INSN_LENGTH): Likewise.
25517 * mips.c (print_operand): Add `F' and `W' for floating-point
25518 comparison opcodes.
25519 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25521 (mips_adjust_insn_length): New function.
25522 (mips_output_conditional_branch): New function.
25523 * mips.md (length): Adjust attribute definition to handle
25524 conditional branches. Change lengths to bytes, rather than
25525 instructions throughout. Remove length attribute from
25526 instructions whose length is four bytes, and rely on the default
25528 (dslot): Fix typo in comment.
25529 Reword conditional branch patterns to use
25530 mips_output_conditional_branch.
25532 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25534 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25535 (LIB_SPEC): Likewise.
25536 Link with -lprof1_r for -g/-pg.
25538 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25540 * loop.c (check_dbra_loop): Fix change of Jan 19.
25542 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25544 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25545 (STARTFILE_SPEC): Define, override the svr4.h version.
25546 (ENDFILE_SPEC): Likewise.
25548 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25550 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25551 * fixinc/fixincl.x: Regenerated.
25552 * fixinc/inclhack.sh: Regenerated.
25554 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25556 * sh.c (barrier_align): Don't return early for normal branch/barrier
25557 when optimizing for SH2.
25559 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25561 * i386/udk.h (LINK_SPEC): Correct linker search path for
25564 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25566 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25567 (braf_label_ref_operand): Delete.
25568 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25569 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25570 label_ref, and has no predicate.
25571 The patten has a predicate to guard against invalid substitutions.
25572 (dummy_jump): Delete.
25573 (casesi): Update use of casesi_jump_2.
25575 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25577 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25578 *fixinc/fixincl.x: regenerate
25579 *fixinc/inclhack.sh: regenerate
25581 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25583 * dwarf2out.c (add_incomplete_type): New fn.
25584 (gen_struct_or_union_type_die): Call it.
25585 (retry_incomplete_types): New fn.
25586 (dwarf2out_finish): Call it.
25588 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25590 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25591 current block starts with a CODE_LABEL and ends with a CALL and
25592 we can not find all the argument setup instructions for the CALL.
25594 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25596 Revert this change:
25597 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25598 something is a candidate for optimize_bit_field_compare.
25600 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25602 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25604 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25606 * alpha.c (override_options): Thinko in last patch.
25608 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25609 (LIB_SPEC): Recognize -pthread.
25611 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25613 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25614 definition in config/arm/coff.h
25615 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25617 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25619 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25620 fixes that need "file=xxx\n" prepended before invocation
25621 (start_fixer - new): starting the fixer process is complex enough
25622 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25623 (process): uses the new routine; omit usage of putenv()
25624 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25625 * fixinc/fixincl.x: regenerate
25627 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25629 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25630 and version #s (1.1 -> 2.96) as needed.
25631 * README.g77: Kill way out of date file in the toplevel directory.
25633 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25635 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25636 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25637 * configure: Rebuilt.
25638 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25639 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25640 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25641 (SWITCH_TAKES_ARG): Likewise.
25642 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25643 * config/t-freebsd: Moved from config/i386/ so it can used for all
25646 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25648 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25650 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25652 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25653 * configure: Rebuilt.
25655 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25657 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25658 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25659 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25660 (rs6000_output_load_toc_table): Same.
25661 (output_prolog, output_mi_thunk): Same.
25662 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25663 (ASM_GLOBALIZE_LABEL): Use putc.
25665 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25667 * alpha.md (reload_*_help): New patterns and splitters.
25668 (reload_*): Use them.
25669 (mov[qh]i): Likewise.
25671 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25673 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25676 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25678 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25680 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25682 * flow.c (mark_regs_live_at_end, insn_dead_p,
25683 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25684 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25685 hasn't run or the frame pointer is needed.
25686 * haifa-sched.c (attach_deaths): Likewise.
25687 * sched.c (attach_deaths): Likewise.
25689 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25691 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25692 calculate_can_reach_end returns nonzero.
25694 * configure.in (native gas tests): Search for an assembler in the
25695 same manner that the installed compiler will.
25696 * configure: Rebuilt.
25697 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25699 * alias.c (find_base_term): Improve handling of addresses
25700 constructed from binary operations.
25702 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25704 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25706 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25708 * function.h (cleanup_label, frame_offset): Declare.
25709 (tail_recursion_label, tail_recursion_reentry): Likewise.
25710 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25711 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25712 (tail_recursion_label, tail_recursion_reentry): Likewise.
25713 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25715 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25717 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25719 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25720 (MAX_OFILE_ALIGNMENT): Define.
25722 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25724 * fixincl.c: Replace local include scheme with #includes of
25725 gansidecl.h and system.h.
25726 * procopen.c: Likewise.
25727 * server.c: Likewise.
25729 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25731 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25732 (crti.o): Add build rule and dependencies.
25733 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25735 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25737 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25738 (LIB_LINUX_SPEC): Likewise.
25739 (LIB_LINUX_SPEC): Add support for -pthread
25740 (CPP_OS_LINUX_SPEC): Likewise.
25741 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25744 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25746 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25748 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25749 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25750 for IEEE math and CC_FCOMI.
25751 (put_jump_code): No IEEE if CC_FCOMI is set.
25753 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25755 * fold-const.c (fold_truthop): Make the field reference unsigned
25756 when converting a single bit compare.
25758 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25760 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25762 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25764 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25765 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25768 * reload.c (push_reload): Do not call remove_address_replacements
25769 when presented with identical optional reloads.
25771 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25773 * alpha.h (MASK_FIX, TARGET_FIX): New.
25774 (MASK_*): Reorganize constants.
25775 (CPP_AM_FIX_SPEC): New.
25776 (TARGET_SWITCHES): Add FIX.
25777 (EXTRA_SPECS): Likewise.
25778 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25779 (SECONDARY_MEMORY_NEEDED): Likewise.
25780 (REGISTER_MOVE_COST): Likewise.
25781 * alpha.c (override_options): Add FIX support. Always use
25782 ALPHA_TP_PROG for ev6.
25783 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25784 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25785 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25787 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25789 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25790 something is a candidate for optimize_bit_field_compare.
25792 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25794 * gcc.texi (Passes): Document branch-shortening.
25795 * invoke.texi (Debugging Options): Document the fact that `-dp'
25796 outputs length information for instructions.
25798 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25800 * flow.c: Revert previous delta.
25802 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25804 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25805 FRAME_POINTER_REGNUM.
25806 (mark_set_1): Ditto.
25807 (mark_used_regs): Ditto.
25809 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25811 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25812 (GOT_PCREL): New macro. Define to 1 if not already defined.
25813 * arm/elf.h (GOT_PCREL): Define to 0.
25814 * arm.c (arm_finalize_pic): Take into account the setting of
25817 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25819 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25820 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25822 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25823 store elimination candidates.
25825 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25827 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25830 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25832 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25833 Add use of x-aix41-gld.
25835 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25837 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25838 (ASM_OUTPUT_DESTRUCTOR): Define.
25840 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25842 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25843 last CODE_LABEL in a loop if we have previously passed a jump
25844 to the top of the loop.
25846 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25848 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25849 applying Philip's patch.
25851 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25853 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25856 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25858 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25860 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25862 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25863 Also remove a useless comment.
25865 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25867 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25869 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25871 * collect2.c (main): Only generate import or export file and add
25872 to link arguments if non-empty. Use xmalloc not alloca.
25873 (write_{export,import}_file): Delete.
25874 (write_aix_file): New function.
25875 (locatelib): Use xmalloc not malloc.
25876 (GCC_OK_SYMBOL): Do not check type if aix64.
25878 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25880 Based on patch by Scott Bambrough and Pat Beirne:
25881 * config/arm/arm.c (making_const_table): New variable.
25882 * config/arm/arm.h (making_const_table): Declare.
25883 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25885 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25886 Keep track of when we are building the constant table.
25888 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25890 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25893 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25895 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25898 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25900 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25903 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25905 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25907 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25909 * rs6000.c (output_mi_thunk): Enable full support again.
25911 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25913 * sh.h (BRANCH_COST): Define.
25915 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25917 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25919 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25921 * function.c (assign_stack_local): Align stack slot propertly.
25922 (assign_outer_stack_local): Likewise.
25924 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25926 * expr.h (lang_expand_constant): Declare.
25927 * toplev.c (lang_expand_constant): Define it.
25928 * varasm.c (output_constant): Use it.
25930 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25932 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
25933 Change function definitions to K&R style.
25935 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25937 * fixinc/fixincl.c: We must not ignore SIGCLD now.
25939 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
25941 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
25942 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
25943 (several places): omit static initialization
25944 (process): use single fd, since only the read fd is used
25945 * fixinc/gnu-regex.c: define 'const' away, if not supported
25946 * fixinc/procopen.c(several places): omit static initialization
25947 * fixinc/server.c: define 'volitile' away, if not supported
25949 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25951 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
25952 asm_fprintf and %L to generate the label name.
25953 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
25954 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
25956 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
25958 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
25959 insn for a conditional jump can not be found.
25961 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
25963 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
25964 on variables in specific sections other than .sbss and .sdata.
25966 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
25968 * stmt.c (expand_return): Call start_cleanup_deferral and
25969 end_cleanup_deferral around conditional code.
25971 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25973 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
25974 filename lists. Utilizes new "krstr" AutoGen function.
25975 * fixinc/fixincl.x: Rebuilt.
25977 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
25979 * i386.c (output_float_compare): Avoid GNU-C extensions.
25981 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
25983 * version.c: Bump to distinguish mainline tree from the
25986 See ChangeLog.1 for earlier changes.