1 2000-04-27 Jan Hubicka <jh@suse.cz>
3 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
8 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
11 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
13 * function.c (epilogue_done): Pass whole insn to record_insns.
15 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
17 * cse.c (CSE_ADDRESS_COST): Remove.
18 (find_best_addr): Add new parameter "MODE", use address_cost instead
21 (fold_rtx): Update call of find_best_addr.
22 * rtl.h (address_cost): Declare.
23 * loop.c (general_induction_var): Add new parameter "MODE", use
24 address_cost instead of ADDRESS_COST
25 (init_loop): Use address_cost instead of ADDRESS_COST.
26 (check_insn_for_givs): Update call of general_induction_var.
27 (find_mem_givs): Likewise.
28 (consec_sets_giv): Likewise.
29 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
30 * i386.c (ix86_address_cost): New.
31 * i386-protos.h (ix86_address_cost): Declare.
33 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
35 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
38 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
40 * expr.c (store_expr): Use clear_storage instead of direct memset
43 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
45 * config/mn10300/mn10300.c (mn10300_address_cost): Test
46 ASHIFT, AND and LABEL_REF.
48 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
50 * invoke.texi (-foptimize-sibling-calls): Fix.
52 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
54 * loop.c (load_mems) Don't use hard registers for the hoisting.
56 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
57 calculation; rename const_equiv array in the preconditioning code
58 from loop_unroll to loop_unroll_precondition
60 2000-04-27 Richard Henderson <rth@cygnus.com>
62 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
64 (propagate_one_insn): Clear it. Don't update reg_live here.
65 (init_propagate_block_info): Update for pbi member changes.
66 (free_propagate_block_info): Likewise.
67 (mark_set_1): Know that zero_extract, sign_extract, and
68 strict_low_part don't kill their argument. Alter hard subregs.
69 Update new_set for non-CLOBBER sets. Update reg_live.
70 (find_auto_inc): Update reg_live, not new_dead.
71 (mark_used_reg): Update reg_live, not new_live. Examine new_set
72 to determine if the reg in question was set this insn. Only update
73 reg info with PROP_REG_INFO.
75 2000-04-26 Richard Henderson <rth@cygnus.com>
77 * flow.c (allocate_reg_life_data): Set max_regno here ...
78 (life_analysis): ... not here.
80 * flow.c (calculate_global_regs_live): Force stack pointer
83 2000-04-26 Richard Henderson <rth@cygnus.com>
85 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
86 commit change group changes.
87 (invert_exp_1): Similarly.
88 (redirect_exp, invert_exp): Use them.
89 (redirect_jump_1): New.
91 (jump_optimize_1): Remove code subsumed by condexec.c.
92 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
94 2000-04-26 Richard Henderson <rth@cygnus.com>
96 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
98 * genconfig.c (main): Set all HAVE_foo to 1.
100 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
102 2000-04-26 Alex Samuel <samuel@codesourcery.com>
104 * invoke.texi: Document -fssa flag.
106 2000-04-26 Richard Henderson <rth@cygnus.com>
108 * flow.c (count_reg_sets_1): Remove.
109 (count_reg_sets, count_reg_references): Remove.
110 (recompute_reg_usage): Implement with update_life_info.
111 Reallocate life data.
113 2000-04-26 Richard Henderson <rth@cygnus.com>
115 * flow.c (update_life_info): Consider blocks null to mean the
117 (calculate_global_regs_live): Likewise.
118 (life_analysis): Do that instead of collecting all_blocks.
120 2000-04-26 Richard Henderson <rth@cygnus.com>
122 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
123 a still-valid conditional jump.
125 2000-04-26 Richard Henderson <rth@cygnus.com>
127 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
129 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
130 * flow.c (calculate_loop_depth): Remove.
131 * output.h (calculate_loop_depth): Don't declare.
132 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
133 inline; run estimate_probability at the same time.
135 2000-04-26 Neil Booth <NeilB@earthling.net>
137 * cpplib.h: "~=" is not a single pp-token.
138 * cpplex.c: Correct commentary.
140 2000-04-26 Richard Henderson <rth@cygnus.com>
142 * flow.c (mark_set_1): New arguments code and flags; update all
143 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
144 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
145 loop_depth when optimizing for size. Do new_dead update after
146 emitting REG_UNUSED notes. Merge mark_set_reg code.
147 (mark_set_reg): Remove.
148 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
149 arrange to not emit REG_UNUSED notes.
151 2000-04-26 Richard Henderson <rth@cygnus.com>
153 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
154 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
156 2000-04-26 Richard Henderson <rth@cygnus.com>
158 * flow.c (propagate_one_insn): Break out from propagate_block.
159 (init_propagate_block_info): Likewise.
160 (free_propagate_block_info): Likewise.
161 (propagate_block): Use them. Export.
162 * basic-block.h: Declare them all.
164 2000-04-26 Richard Henderson <rth@cygnus.com>
166 * basic-block.h (life_analysis): Declare here ...
167 * output.h: ... not here.
168 * flow.c (life_analysis): Remove nregs parameter; replace
169 remove_dead_code with flags. Remove ssa dead code check.
170 Only init alias analysis if we'll use it.
171 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
172 * ssa.c (convert_to_ssa): Likewise.
173 (convert_from_ssa): Likewise.
174 * toplev.c (rest_of_compilation): Likewise.
176 2000-04-26 Richard Henderson <rth@cygnus.com>
178 * flow.c (flow_delete_block): Rename from delete_block. Export.
179 * basic-block.h (flow_delete_block): Declare.
181 2000-04-26 David S. Miller <davem@redhat.com>
183 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
184 taking a PATTERN of it.
186 2000-04-26 <NeilB@earthling.net>
188 * cpplex.c (spell_other, spell_char): Remove.
190 (token_spelling, trigraph_map): Use unsigned chars.
191 (_cpp_lex_line): Tidy up the switch statement.
192 * cpplib.h: Implement spell_char with spell_string.
195 2000-04-26 <RodneyBrown@pmsc.com>
197 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
198 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
200 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
202 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
203 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
204 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
205 dwarf2out_return_save, dwarf2out_return_reg,
206 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
207 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
208 gen_compile_unit_die, dwarf2out_init): Constify a char*.
210 * dwarf2out.h (dwarf2out_init): Likewise.
212 * dwarfout.c (filename_entry, primary_filename, last_filename,
213 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
215 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
216 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
217 dwarf2out_return_reg): Likewise.
219 2000-04-26 Andreas Jaeger <aj@suse.de>
221 * extend.texi (Function Attributes): Fix description of pure
224 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
226 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
227 before calling rest_of_compilation.
229 2000-04-26 Andreas Jaeger <aj@suse.de>
231 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
234 2000-04-25 Richard Henderson <rth@cygnus.com>
236 * cse.c (cse_insn): Emit barrier after unconditional jump.
238 * calls.c (expand_call): Disable tail call generation once
239 rtx_equal_function_value_matters is false.
241 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
244 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
246 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
248 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
250 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
251 is the primary DIE for a member function.
252 (gen_decl_die): Call set_decl_origin_self here.
253 * dwarfout.c (output_decl): And here.
254 * integrate.c (output_inline_function): Not here.
255 Don't clear DECL_INLINE until after calling rest_of_compilation.
256 (set_decl_origin_self): No longer static.
257 * tree.h: Add prototype.
258 * toplev.c (note_deferral_of_defined_inline_function): Only write
259 out abstract instance for actual inlines.
261 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
263 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
264 EXTENDED_REGS only if TARGET_AM33.
265 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
266 SP_REGS to register allocation and reloading unless absolutely
268 (movsi3): Remove special-case of adding non-constants to SP.
270 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
272 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
273 INCLUDES to search and does not provide any of its own. Also it
274 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
275 parameters. Also it does not call AC_DEFINE.
276 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
277 AC_DEFINE and provides for automatic entries for autoheader.
278 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
280 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
281 so we can pass -I flags and include gansidecl.h/system.h in this
284 * acconfig.h: Delete all NEED_DECLARATION_* entries.
286 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
288 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
289 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
290 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
292 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
293 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
294 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
295 for these macros. Clean up spacing and linewraps.
297 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
299 * calls.c (expand_call): Use get_callee_fndecl.
301 * print-tree.c (print_node): Print the chain of an _EXPR.
303 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
304 Jim Wilson <wilson@cygnus.com>
305 Andrew Haley <aph@cygnus.com>
307 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
308 and gp save/restore problems.
309 * config/ia64/crtend.asm: Add IA-64 unwind support.
310 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
311 in fr_pad_size calculation.
312 (save_restore_insns): Move PR save area. Correct uses of
314 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
315 (ia64_expand_epilogue): Add eh_epilogue support.
316 (ia64_function_prologue): Emit .prologue directive.
317 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
318 (ia64_override_options): Set init_machine_status and
320 (rtx_needs_barrier): Handle bsp reads and writes.
321 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
322 New static variables.
323 (process_set, process_for_unwind_directive): New functions.
324 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
325 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
326 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
328 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
329 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
330 (struct machine_function): Define.
331 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
333 2000-04-25 Bruce Korb <bkorb@gnu.org>
335 * fixinc/Makefile.in: make the removal of old programs more
337 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
338 install-bin and install-sh
340 2000-04-25 Nick Clifton <nickc@cygnus.com>
342 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
343 defined, define to return zero.
344 (function_cannot_inline_p): If a function has any target
345 specific attributes, then use the macro
346 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
347 whether it can be inlined. If it cannot, issue a suitable
350 * tm.texi: Add a new node 'Inlining' to document the new macro
351 FUNCTION_ATTRIBUTE_INLINABLE_P.
353 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
355 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
358 2000-04-25 Neil Booth <NeilB@earthling.net>
360 Restore previous patch, plus the following fixes:
362 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
363 flags, not CPP_OPEN_PAREN.
364 * cpplex.c (expand_token_space, init_token_list,
365 cpp_free_token_list): Put the dummy token at list->tokens[-1].
366 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
368 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
370 * config/i386/freebsd.h (INT_ASM_OP): Define.
372 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
374 * loop.c (strength_reduce): Fix typo in the last checkin.
376 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
378 * stor-layout.c (finalize_record_size): Simplify to use existing
380 (compute_record_mode): No longer static.
381 * tree.h (compute_record_mode): New declaration.
383 2000-04-25 Neil Booth <NeilB@earthling.net>
385 * Revert my patch below until cause of build failures
388 2000-04-25 Richard Henderson <rth@cygnus.com>
390 * combine.c (combine_instructions): Add missing argument
393 * toplev.c (rest_of_compilation): Delay sibcall optimization
394 until after emit_eh_context.
396 2000-04-24 Nick Clifton <nickc@redhat.com>
398 * combine.c (combine_instructions): Do not try to combine a
399 sequence of insns when the second insn has been replaced by a
402 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
404 * gcc.c (load_specs): New static function.
405 (read_specs): Use it.
407 * gcc.c (lookup_compiler): Make multiple passes for case
408 insensitive filesystems.
410 2000-04-24 Neil Booth <NeilB@earthling.net>
412 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
413 * cpphash.h (_cpp_check_directive): new.
414 * cpplex.c (handle_newline, cpp_free_token_list,
415 init_trigraph_map, trigraph_ok, trigraph_replace,
416 backslash_start, skip_block_comment, skip_line_comment,
417 skip_whitespace, parse_name, parse_number, parse_string,
418 copy_comment, _cpp_lex_line, spell_char, spell_string,
419 spell_comment, spell_name, spell_other, _cpp_lex_file,
420 _cpp_output_list): new.
421 (expand_name_space): take length argument.
422 (init_token_list): add comment list initialisation.
423 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
424 instead of HSPACE_BEFORE.
426 * cpplib.c (_cpp_check_directive): new
427 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
428 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
429 (HSPACE_BEFORE): delete.
430 (TTYPE_TABLE): rearrange.
431 (struct cpp_toklist): update.
433 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
435 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
436 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
437 argument form of AC_DEFINE.
439 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
440 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
441 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
442 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
443 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
445 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
447 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
449 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
450 deduced.h): Use -isystem, not -I, for including system headers.
452 2000-04-24 Nick Clifton <nickc@cygnus.com>
454 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
455 the source register is the frame pointer or arg pointer.
456 (addsi3_small_int): Disallow if source register is the frame
457 pointer or arg pointer.
459 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
461 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
462 call to AC_MSG_RESULT.
464 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
466 * invoke.texi: Correct grammatical errors, document
467 -fno-gnu-keywords as identical to -fno-asm for C++.
469 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
471 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
472 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
473 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
474 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
475 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
477 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
478 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
479 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
480 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
483 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
485 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
486 (pop_alignment): Likewise.
487 (handle_pragma_token): Likewise.
489 2000-04-24 Robert Lipe <robertlipe@usa.net>
491 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
493 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
495 * combine.c (try_combine): Update reg_nonzero_bits of
496 newi2pat before newpat.
498 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
500 * loop.c (strength_reduce): Simplify test to INSN_P.
501 (record_giv): Attempt to simplify the add value, use CONSTANT_P
502 expressions instead of CONST_INT.
503 (express_from_1): Likewise.
505 2000-04-24 Mark Mitchell <mark@codesourcery.com>
507 * regs.h (reg_n_max): Don't declare.
508 * flow.c (reg_n_max): Don't define.
509 * regclass.c (renumber): Don't initialize to zero.
510 (regno_allocated): Likewise.
512 (allocate_reg_info): Don't initialize unnecessarily.
514 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
516 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
517 and blockage_p in the newly allocated attribute.
519 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
521 * config/mn10300/mn10300.md (addsi): `inc4' on address
522 registers does not modify cc, but `inc' on an extended
525 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
527 * reload.c (find_equiv_reg): Checks all valueno regs
528 as a reload_reg_p regs.
530 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
532 * cpphash.c (collect_objlike_expansion): Add sanity check.
533 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
534 the buffer is the empty string, return. Mark __DATE__ and
535 __TIME__ as XCONST nodes, not MCONST.
536 (_cpp_macroexpand): Avoid pushing an empty buffer.
537 (funlike_macroexpand): Don't pop token_buffer here.
539 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
541 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
542 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
543 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
544 (REGNO_OK_FOR_BASE_P): Define in terms of them.
545 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
546 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
547 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
549 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
551 * loop.c (simplify_giv_expr): Be more agressive on simplifying
554 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
556 * cpphash.h (struct definition): Move file, line, col members...
557 (struct hashnode): ... here. Also add 'disabled' flag.
558 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
559 T_IDENTITY. Remove T_DISABLED.
562 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
563 (collect_expansion): Split into collect_objlike_expansion and
564 collect_funlike_expansion.
565 (_cpp_macroexpand): Split out scan_arguments, stringify, and
567 (_cpp_compare_defs): Rename compare_defs, make static.
568 (_cpp_make_hashnode): Initialize hp->disabled.
569 (macro_cleanup): Adjust for new token types. Clear
571 (_cpp_create_definition): Move code here to determine what
572 sort of macro it is, and code to check for redefinitions, from
573 do_define. Implement a few simple cases without creating a
575 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
576 Handle the simple cases.
577 (push_macro_expansion): Set buf->has_escapes and hp->disabled
580 * cppinit.c (builtin_array): Change MCONST to XCONST
582 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
583 fix check for disabled and function-like macros.
584 * cpplib.c (do_define): Move most logic to
585 _cpp_create_definition.
586 (do_undef): Handle new special token types.
588 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
590 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
591 of CONSTANT_P for mult_val; always use validate_change to update insn.
593 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
595 * cpphash.c (trad_stringify, add_pat): New functions.
596 (collect_expansion): Restore support for -traditional syntax.
597 Use trad_stringify and add_pat.
598 (_cpp_macroexpand): Restore support for -traditional semantics.
599 * cpplex.c (_cpp_scan_line): Don't change space_before if we
601 (_cpp_lex_token): Provide COMMENT tokens to caller if
602 traditional and parsing_define_directive.
603 (skip_comment): Warn about // comments if -Wtraditional.
604 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
606 (do_undef): Don't warn about undefining EMPTY nodes.
608 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
610 * loop.c (strength_reduce): Fix biv removal code.
612 2000-04-22 Richard Henderson <rth@cygnus.com>
614 * predict.c (estimate_probability): Examine both sides of
615 a branch for no exits. Use 90% not 50% for predict taken.
616 Reorg for one copy of note generation code.
618 2000-04-22 Richard Henderson <rth@cygnus.com>
620 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
622 2000-04-22 Richard Henderson <rth@cygnus.com>
624 * diagnostic.c (init_output_buffer): Don't initialize format_args.
625 (output_clear): Likewise.
626 (output_printf): Use va_copy.
627 (vline_wrapper_message_with_location): Likewise.
628 (v_message_with_decl): Likewise.
629 (line_wrapper_printf): VA_START infor buffer.format_args directly.
630 * system.h (va_copy): Provide default implementation.
632 2000-04-22 Richard Henderson <rth@cygnus.com>
634 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
635 the collected condition is not a constant.
637 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
639 * diagnostic.h: New file.
641 * Makefile.in (diagnostic.o): Depends on diagnostic.h
643 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
644 various function prototypes.
645 (diagnostic.h): #include.
646 (struct output_buffer): Move into diagnostic.h.
647 (get_output_prefix): Rename to output_get_prefix. Export.
648 (init_output_buffer): Export. Break out. Ajust intialization.
649 (output_space_left, output_append): Export.
650 (output_newline): Rename to output_add_newline. Export.
651 (output_clear): Nullify additional output_buffer fields.
652 (output_puts): Rename to output_add_string. Export.
653 (dump_output): Rename to output_flush_on. Export.
654 (build_location_prefix): Constify return-type.
655 (emit_output_prefix): Rename to output_emit_prefix. Export.
656 (set_real_maximum_length): New function.
657 (output_set_maximum_length): Ditto
658 (output_clear): Ditto.
659 (output_add_character): Ditto.
660 (output_add_integer): Ditto.
661 (output_add_space): Ditto.
662 (output_format): Ditto.
663 (output_printf): Adjust buffer initialization.
664 (vline_wrapper_message_with_location): Ditto.
665 (v_message_with_decl): Ditto. Adjust call to output_puts
666 and get_output_prefix.
667 (default_print_error_function): Adjust buffer intialization.
669 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
671 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
674 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
676 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
679 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
681 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
682 accurate data about SP moves.
684 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
686 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
687 aliases to AM33 registers.
689 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
691 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
692 to all EXTENDED bitmaps.
694 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
696 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
697 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
698 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
700 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
702 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
703 the operand is not constant.
705 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
707 * reload.c (find_equiv_reg): Checks all valueno and regno regs
708 as a call-clobbered regs.
710 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
712 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
714 * rtl.def: Update comment.
715 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
716 * integrate.c (expand_inline_function): Likewise.
717 * profile.c (branch_prob): Likewise.
718 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
719 * print-rtl.c (print_rtx): Likewise.
720 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
721 (reemit_notes): Likewise; also use enum insn_note.
723 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
724 (place_field): Properly compute know and actual alignment.
726 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
729 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
732 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
734 * cpphash.c (struct arg, struct arglist): Const-ify strings.
735 (warn_trad_stringify, duplicate_arg_p): New helper functions.
736 (collect_expansion): Rewrite to scan over a token list.
737 Remove -traditional support.
738 (collect_formal_parameters): Rename to collect_params; rewrite
739 to scan over a token list.
740 (_cpp_create_definition): Adjust to scan a token list.
741 (_cpp_macroexpand): Remove -traditional support.
742 (_cpp_compare_defs): Whitespace is now canonicalized.
743 (comp_def_part): Delete function.
745 * cpphash.h: Update prototypes.
746 * cpplex.c (init_token_list): Don't set lineno if there is no
748 (pedantic_whitespace): New function.
749 (_cpp_scan_line): Mark tokens that had hspace before. Don't
750 consume a newline. Use pedantic_whitespace.
751 (_cpp_lex_token): Remove support for -traditional macros.
752 (_cpp_get_define_token): Delete.
753 (_cpp_get_directive_token): Do the real work here. Use
755 (_cpp_init_input_buffer): Initialize pfile->directbuf.
757 * cpplib.c (get_macro_name): Delete.
758 (do_define): Read the entire line into pfile->directbuf, then
759 feed the token list to _cpp_create_definition.
760 * cpplib.h (HSPACE_BEFORE): new define.
761 (struct cpp_reader): Add a toklist member, "directbuf".
763 * predict.c (estimate_probability): New heuristic: if a jump
764 branches around a block with no successors, predict it taken.
765 Disentangle control flow.
767 2000-04-20 Richard Henderson <rth@cygnus.com>
769 * loop.c (emit_iv_add_mult): Revert last change.
771 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
773 * cpplib.h (enum cpp_ttype): Add token types for all
774 punctuators. Distinguish pp-numbers from valid C numbers.
775 Give some tokens better names. Initialize from macro.
776 (struct cpp_name, cpp_token, cpp_toklist): New data
779 * cpplex.c (bump_column, expand_name_space,
780 expand_token_space, init_token_list, cpp_output_list,
781 _cpp_scan_line): New functions.
782 (output_line_command): Add third argument, new line number.
783 * cpphash.h: Update prototypes.
784 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
787 2000-04-20 Richard Henderson <rth@cygnus.com>
789 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
791 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
793 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
796 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
798 * loop.c (emit_iv_add_mult): Simplify it's input and emit
799 REG_EQUAL note explaining the calculated value.
801 * calls.c (expand_call): Avoid unnecesary precalculation
802 and outgoing parameters space guarding for sibling calls.
803 (store_one_arg): Likewise.
805 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
807 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
808 (rest_of_compilation): Write sibling dump file and account
809 for time as jump time.
810 * invoke.texi: Update documentation on dump flags.
812 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
814 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
816 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
818 * cpphash.c (special_symbol): Represent an empty macro with
819 "\r \r " not just "\r ".
820 (_cpp_macroexpand): Correct condition for the foo ( ) special
822 (unsafe_chars): Handle EOF as second argument.
823 (push_macro_expansion): Simplify test for removing escape at
824 end. Do not trim both escapes if there is no text in between.
826 2000-04-19 Jim Blandy <jimb@redhat.com>
828 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
829 of PTR_SIZE, when appropriate.
831 2000-04-19 Mark Mitchell <mark@codesourcery.com>
833 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
834 (USE_ENUM_BITFIELDS): Fix typo.
836 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
838 * stor-layout.c (place_field): Set rli->offset_align properly.
840 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
842 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
843 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
844 PARM_BOUNDARY): Remove unnecessary casts.
846 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
848 * calls.c (precompute_arguments): Remove must_preallocate and
850 (expand_call): Update call of precompute_arguments.
852 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
853 check_insn_for_givs): Break out from ...
854 (strength_reduce) ... here; use for_every_insn_in_loop to call
856 * loop.h (for_every_insn_in_loop): Declare.
857 (loop_insn_callback): New type.
859 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
861 * cpplib.c (do_pragma_poison): Strings in the token buffer are
864 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
866 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
869 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
871 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
873 * configure.in: Delete --disable-cpplib option and all
874 references to cpp_main.
875 * configure: Regenerate.
876 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
877 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
878 cccp.o, cccp, or cppmain. Link cppmain.o straight to
879 cpp$(exeext). Add --no-headers to makeinfo command line when
880 generating INSTALL. Install and uninstall cpp.1 manpage, not
882 * install.texi: Delete all references to cexp.y/cexp.c.
883 Delete ancient instructions for compiling GCC on 3b1.
884 * INSTALL: Regenerate.
886 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
887 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
888 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
890 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
891 which is no longer tested anywhere.
893 * cppinit.c (handle_option): Don't run error message through
896 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
898 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
899 * cpperror.c (hashtab.h): Now include.
900 * cppexp.c (hashtab.h): Likewise.
901 * cpplex.c (hashtab.h): Likewise.
902 * cppfiles.c (hashtab.h): Likewise.
903 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
904 to htab_find_slot_with_hash.
905 * cpphash.c (hashtab.h): Now include.
906 (_cpp_lookup_slot): INSERT is now enum insert_option.
907 * cpphash.h (_cpp_lookup_slot): Likewise.
908 * cppinit.c (hashtab.h): Include earlier.
909 (initialize_builtins): Pass enum to htab_find_slot.
910 * cpplib.c (hashtab.h): Now include.
911 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
912 (do_pragma_poison, do_assert): Likewise.
913 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
914 htab_find_slot_with_hash.
915 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
916 * tree.c (type_hash_add): Likewise.
917 (build1): Minor cleanup.
919 * ggc-common.c: Add missing blanks.
920 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
921 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
923 * stmt.c (mark_case_node): New function.
924 (mark_case_nesting): Call it.
926 * expmed.c (emit_store_flag): If comparing two-word integer
927 with zero, can optimize NE, EQ, GE, and LT.
929 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
930 * conflict.c: Minor cleanups.
931 * optabs.c: Add blank line
932 * simplify-rtx.c: Minor cleanups.
934 2000-04-18 Stan Cox <scox@cygnus.com>
936 * gengenrtl.c (genlegend): Fix misspelling.
938 2000-04-18 Robert Lipe <robertlipe@usa.net>
940 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
941 bitfields of the host compiler are not signed quantities.
942 * config.in: Regenerate.
943 * configure: Regenerate.
944 * system.h (USE_ENUM_BITFIELDS): Added.
945 (ENUM_BITFIELDS): Added.
946 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
947 (SHORT_ENUM_BUG): Deleted.
948 * tree.h (tree_common): Members `code', `mode', `built_in_class',
950 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
951 (CODE_FIELD_BUG): Likewise.
952 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
954 * config/m68k/x-ccur (X_CFLAGS): Likewise.
956 2000-04-18 Mark Mitchell <mark@codesourcery.com>
958 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
961 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
963 * cppexp.c (lex): Don't assume tokens are NUL terminated.
964 * cpplib.c (do_include, do_import, do_include_next,
965 read_line_number, detect_if_not_defined): Likewise.
966 * cpphash.c (collect_expansion): Likewise.
967 (special_symbol, _cpp_macroexpand): Check return from
969 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
970 macros. Delete all uses.
972 * gcc.dg/cpp-mi.c: Add two more test cases.
973 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
975 2000-04-17 Richard Henderson <rth@cygnus.com>
977 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
978 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
980 2000-04-17 Mark Mitchell <mark@codesourcery.com>
982 * function.c (expand_function_start): Use hard_function_value to
983 compute the RTL to use for DECL_RESULT.
985 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
987 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
988 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
989 x86_memory_mismatch_stall): New global variables.
990 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
991 alloved; fix load penalties for Athlon.
992 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
993 x86_memory_mismatch_stall): Declare.
994 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
995 TARGET_MEMORY_MISMATCH_STALL): New.
996 * i386.md (athlon scheduling parameters): Fix latencies according to
997 Athlon Optimization Manual.
998 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1000 (fsqrt instruction patterns): Set athlon_decode to direct.
1001 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1002 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1003 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1004 and TARGET_PARTIAL_REGISTER_STALL machines.
1005 (pushdf_nointeger): New pattern.
1006 (pushdf_integer): Rename from pushdf.
1007 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1008 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1010 2000-04-17 Richard Henderson <rth@cygnus.com>
1012 * loop.c (canonicalize_condition): Add WANT_REG argument.
1013 Stop the search if we match it.
1014 * expr.h (canonicalize_condition): Update decl.
1015 * predict.c (expected_value_to_br_prob): Use it. Track last
1016 expected value note.
1017 (find_expected_value): Remove.
1019 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1021 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1023 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1024 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1026 * configure.in: Call AC_FUNC_MMAP_FILE.
1027 * configure: Regenerate.
1028 * config.in: Regenerate.
1030 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1031 * fixinc/fixincl.c: Likewise.
1033 2000-04-17 Richard Henderson <rth@cygnus.com>
1035 * builtins.c (expand_builtin_expect): New.
1036 (expand_builtin): Call it.
1037 * builtins.def (BUILT_IN_EXPECT): New.
1038 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1039 * extend.texi: Document it.
1041 * predict.c (expected_value_to_br_prob): New.
1042 (find_expected_value): New.
1043 * basic-block.h (expected_value_to_br_prob): Declare.
1044 * toplev.c (rest_of_compilation): Invoke it.
1046 * rtl.h (NOTE_EXPECTED_VALUE): New.
1047 (NOTE_INSN_EXPECTED_VALUE): New.
1048 * rtl.c (note_insn_name): Update.
1049 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1050 cases; handle NOTE_INSN_EXPECTED_VALUE.
1052 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1054 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1055 leaf sibcall delay slot if flag_pic.
1056 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1058 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1060 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1062 * fixproto: If fix-header fails, exit with an error.
1064 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1066 * cse.c (struct check_depdendence_data): New.
1067 (check_dependence): New function.
1068 (invalidate): Use check_depdenence.
1070 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1072 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1073 UNITS_PER_WORD is unsigned.
1075 * tree.h (struct tree_common): Remove misleading comment.
1077 2000-04-16 Dave Pitts <dpitts@cozx.com>
1079 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1080 message in quotes. Otherwise, IBM's make program treats the '#' as the
1081 start of a comment and ignores the remainder of the line.
1083 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1085 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1086 * cexp.y (initialize_random_junk): Likewise.
1087 * cppfiles.c (find_include_file): Cast alloca return value.
1088 * cppinit.c (initialize_standard_includes): Likewise.
1089 * cpplib.c (cpp_define, cpp_undef): Likewise.
1090 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1091 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1092 * fold-const.c (CHARMASK): New.
1093 (real_hex_to_f): Use it.
1094 * real.c (CHARMASK): New.
1095 (etoasc, asctoeg): Use it.
1096 (asctoeg): EBCDIC lower case characters preceed upper case.
1098 * i370.c (mvs_add_label): Change spacing for coding conventions.
1099 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1100 outputing case vectors.
1101 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1102 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1103 since vector in in the data CSECT.
1104 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1105 * i370.md (Many patterns): Put the length in the XL directives.
1106 (movdi): Put back STM and MVC in definition.
1107 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1108 pattern using the TCA.
1109 * oe.h (CPP_SPEC): Added to allow trigraphs.
1110 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1111 not support the "long long" type.
1113 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1115 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1117 (mips_reg_mode_ok_for_base_p): Likewise.
1118 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1119 (REG_OK_FOR_INDEX_P): Define unconditionally.
1120 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1121 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1122 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1123 that GET_MODE_SIZE is unsigned.
1124 (mips_reg_mode_ok_for_base_p): Define.
1125 (mips_legitimate_address_p): Likewise. Adjust now
1126 that GET_MODE_SIZE is unsigned.
1127 (block_move_loop): Make the number of bytes unsigned.
1128 (expand_block_move): Likewise.
1129 (function_arg): Make the loop counter unsigned to match the
1132 2000-04-16 Richard Henderson <rth@cygnus.com>
1134 * rtl.h (enum insn_note): New enumeration. Subsume
1135 NOTE_INSN_DELETED and friends.
1136 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1137 * rtl.c (note_insn_name): Tweak string order.
1139 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1141 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1144 * cpplex.c (output_line_command): Remove debugging prints.
1145 (cpp_output_tokens): Don't write out a zero-length buffer or
1146 try to see if it has a newline in it.
1147 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1148 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1149 the end of the loop. Use memmove. Don't read past the end of
1150 the buffer. Remove trailing newlines from error messages.
1152 2004-04-16 Neil Booth <NeilB@earthling.net>
1154 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1155 * cpplib.c: Add new syntax flags to directive table, and
1158 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1160 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1163 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1165 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1166 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1168 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1170 * Makefile.in (ggc-page.o): Now includes toplev.h.
1171 * ggc-page.c (toplev.h): Now included.
1172 (gc_time): Remove declaration.
1173 (ggc_collect): TIME now long.
1174 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1176 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1178 * toplev.c: Make *_time variable long to reduce chance of overflow.
1179 (TIMEVAR): Likewise for `otime'.
1180 (print_time): Arg is now long; compute percentage in FP and round.
1181 * toplev.h (print_time): Arg is long.
1183 * tree.c: Minor whitespace changes.
1185 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1186 * configure: Rebuilt.
1187 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1188 (__fixunsxfDI): Renamed from __fixunsxfdi.
1189 (__fixunsdfDI): Renamed from __fixunsdfdi.
1190 (__fixunssfDI): Renamed from __fixunssfdi.
1191 (__floatdisf): Use proper type in REP_BIT macro.
1192 (__fixunsxfSI): Renamed from __fixunsxfsi.
1193 (__fixunsdfSI): Renamed from __fixunsdfsi.
1194 (__fixunssfSI): Renamed from __fixunssfsi.
1195 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1196 Change location of macros and upper-case some names as above.
1197 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1198 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1200 * varasm.c (assemble_variable): Add cast to remove warning.
1201 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1203 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1204 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1205 region number to -1.
1207 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1209 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1210 call unshare_all_rtl.
1212 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1214 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1216 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1217 Use .s1 not .s0 for all FP instructions.
1219 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1221 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1223 (safe_fwrite, output_line_command): New static functions.
1224 (cpp_expand_to_buffer): Now private to cpplib.
1225 (cpp_scan_buffer): Take a printer.
1227 * cpphash.h: Update prototypes.
1228 * cpplib.h: Update prototypes.
1230 (cpp_buffer): Remove last_nominal_fname.
1231 (cpp_reader): Remove lineno.
1233 * cppmain.c: Use a cpp_printer.
1234 * fix-header.c: No need to inhibit line commands. Call
1235 cpp_start_read with no printer.
1237 * cpperror.c (cpp_notice_from_errno): Provide default name.
1238 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1239 (find_include_file, cpp_read_file): Use make_IHASH.
1240 (file_cleanup): Set control_macro and clear
1241 input_stack_listing_current here.
1242 (_cpp_execute_include): Don't output entering-file marker.
1243 * cpphash.c (special_symbol): Look for the line number in the
1244 buffer, not the reader.
1245 (_cpp_macroexpand): No need to disable line commands.
1246 (_cpp_dump_definition): No need to generate line commands.
1247 (dump_hash_helper): Remove excess newline from output.
1248 * cppinit.c (dump_special_to_buffer): No need to generate line
1250 (cpp_printer_init): New.
1251 (cpp_start_read): Take a printer, and start it up if it's not
1252 NULL. No need to generate line commands.
1253 (cpp_finish): Expect no buffers stacked at all. Take a
1254 printer argument, and flush the output buffer if it's not
1256 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1257 Don't put two hashes at the beginning of an assertion.
1258 (cpp_get_token): Don't increment pfile->lineno or emit line
1259 commands here. Return EOF if there's no buffer when we get
1261 * cpplib.c (do_define, skip_if_group):
1262 No need to disable line commands.
1263 (_cpp_output_line_command): Delete function.
1264 (do_line): Don't emit line commands here, but set things up so
1265 they will be emitted if necessary. Use _cpp_fake_ihash to
1266 make unique nominal_fnames if necessary.
1267 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1268 with 0 for column, not -1.
1269 (_cpp_handle_eof): Don't set the control macro here. Don't
1270 clear input_stack_listing_current here. Don't emit line
1273 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1275 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1276 always, use the default SVR4 start address.
1278 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1279 (LINK_SHLIB_SPEC): Define.
1280 (LINK_START_DEFAULT_SPEC): Define.
1281 (LINK_OS_DEFAULT_SPEC): Define.
1283 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1285 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1286 __do_global_ctors to handle constructors.
1287 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1288 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1289 (STARTFILE_MVME_SPEC): Likewise.
1290 (STARTFILE_SIM_SPEC): Likewise.
1291 (ENDFILE_ADS_SPEC): Use crtend.
1292 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1293 (ENDFILE_MVME_SPEC): Likewise.
1294 (ENDFILE_SIM_SPEC): Likewise.
1295 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1296 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1297 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1298 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1299 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1300 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1301 (CRTSTUFF_T_CFLAGS_S): Define.
1302 * config/rs6000/eabi-ctors.c: Delete.
1304 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1307 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1311 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1313 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1314 plus mask size is smaller or equal to the mode size.
1316 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1318 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1321 * expr.c (reload.h): Now included.
1322 (emit_block_move): Set volatile_ok when checking for movstr.
1323 (emit_move_1): Check for replacements in addresses in multi-word case.
1324 * Makefile.in (expr.o): Now includes reload.h.
1326 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1327 Never have a LIBCALL end a basic block.
1328 (find_basic_blocks_1): Likewise.
1329 Reorganize CALL_INSN cases.
1331 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1333 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1335 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1336 completers from mov.ret instruction.
1338 2000-04-14 Richard Henderson <rth@cygnus.com>
1340 * fold-const.c (extract_muldiv): Don't distribute and widen
1341 multiply across plus for non-sizetype unsigned types.
1343 2000-04-14 Richard Henderson <rth@cygnus.com>
1345 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1346 If the original source is dead in the incr insn, it's dead now.
1348 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1350 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1351 see if DECL_BIT_FIELD needs to still be set.
1353 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1355 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1356 print_int_cst_octal with something that's not an INTEGER_CST.
1358 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1359 and not a SUBREG to a FLOAT rtl.
1361 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1363 * emit-rtl.c (try_split): Avoid infinite loop if the split
1364 results in a sequence that contains the original insn.
1366 2000-04-13 Andreas Jaeger <aj@suse.de>
1368 * config/mips/mips.c (expand_block_move): Pass alignment
1369 argument to move_by_pieces in bits, not bytes.
1371 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1372 __pic__ for little endian.
1374 2000-04-13 Andreas Jaeger <aj@suse.de>
1376 * config/i386/i386-protos.h: Add prototype for
1377 uno_comparison_operator.
1379 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1381 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1382 * calls.c (ECF_PURE): New flag.
1383 (emit_call_1): Handle ECF_PURE calls.
1384 (initialize_argument_information): Unset ECF_PURE flag too.
1385 (precompute_arguments): Precompute for ECF_PURE too.
1386 (expand_call): Handle ECF_PURE calls too.
1387 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1388 accept value of 2 as pure function.
1389 (emit_library_call_value, emit_library_call): Rename no_queue argument
1391 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1393 * tree.h (DECL_IS_PURE): New macro.
1394 (struct tree_decl): Add pure_flag.
1395 * c-common.c (enum attrs): Add attribute "pure".
1396 (init_attributes): Initialize attribute "pure"
1397 (decl_attributes): Handle attribute "pure".
1398 * extend.texi (Attribute "pure"): Document.
1399 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1401 (flags_from_decl_or_type): Support attribute "pure".
1403 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1405 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1406 the token except for numbers and identifiers.
1408 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1410 * i386.c (ix86_expand_binary_operator,
1411 ix86_expand_unary_operator): Check no_new_pseudos
1412 instead of reload_in_progress and reload_completed.
1413 (ix86_split_ashldi, ix86_split_ashrdi,
1414 ix86_split_lshrdi): Check no_new_pseudos instead
1415 of reload_completed.
1417 2000-04-12 Jeffrey A Law (law@cygnus.com)
1419 * function.c (purge_addressof): Unshare any shared rtl created by
1420 purge_addressof and its children.
1422 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1424 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1427 2000-04-05 Andreas Jaeger <aj@suse.de>
1429 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1430 not compiling PIC code, add flags for mabi=64.
1431 (SUBTARGET_CPP_SIZE_SPEC): New.
1432 (SUBTARGET_CPP_SPEC): New.
1433 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1434 for MIPS/Linux and lots of code needs these defines.
1436 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1438 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1439 trying the "opposite arithmetic" approach.
1441 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1443 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1444 (struct sh_args): Add new field force_mem.
1445 (INIT_CUMULATIVE_ARGS): Initialize it.
1446 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1448 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1450 * calls.c (expand_call): Do not reverse args in "equal from" field.
1451 (emit_library_call_value_1): Emit_libcall_block for const and pure
1454 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1456 * reload1.c (reload_combine): Don't enable optimization for fixed
1457 registers when encountering a BARRIER.
1459 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1461 * builtins.c (expand_builtin_memcmp): Do expansion even with
1462 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1464 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1465 stack is propertly aligned; add sanity checking for aligned
1467 (expand_library_call_value_1): Add sanity checking for aligned
1470 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1472 * calls.c (emit_library_call_value_1): Change 3rd arg to
1473 locate_and_pad_parm to disregard the setting of partial.
1475 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1477 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1479 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1480 CALL_INSN from the normal case.
1482 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1484 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1485 New global variables.
1486 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1488 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1490 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1491 TARGET_ADD_ESP_8): New macros.
1492 * i386.md: Add peep2s to convert esp adjustments to push and pop
1494 (pushsi_prologue, popsi_epilogue): New patterns.
1496 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1498 * real.c (toe64): Remove stale #endif from the last change.
1500 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1502 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1503 * real.c (toe64): Revert previous change.
1505 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1507 * objc/objc-act.c: Include ggc.h.
1508 (objc_tree_index, objc_global_trees): Convert most of the
1509 static tree variables into a static array with previous names
1511 (objc_ellipsis_node): New variable.
1512 (lang_init): Call objc_act_parse_init and c_parse_init.
1513 Create objc_ellipsis_node.
1514 (build_selector_translation_table): Use objc_ellipsis_node instead
1516 (hack_method_prototype): Likewise.
1517 (get_arg_type_list): Likewise.
1518 (start_method_def): Likewise.
1519 (continue_method_def): Likewise.
1520 (gen_method_decl): Likewise.
1521 (ggc_mark_imp_list): New function.
1522 (ggc_mark_hash_table): New function.
1523 (objc_act_parse_init): New function.
1524 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1525 * c-parse.in (c_parse_init): For objc add roots of objc specific
1526 local tree variables.
1527 * objc/objc-parse.y: Rebuilt.
1528 * objc/objc-parse.c: Rebuilt.
1529 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1531 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1533 * cse.c (delete_trivially_dead_insns): Also delete insns
1534 that copy a register to itself where the destination is
1537 2000-04-11 Richard Henderson <rth@cygnus.com>
1539 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1540 (propagate_block): Initialize them. Use them in parallel instead
1541 of one tmp variable, ie revert much of the 0408 and 0407 functional
1542 changes, but keep the structural changes.
1543 (mark_set_regs): Take new_dead from propagate_block_info instead.
1544 (mark_set_1, mark_set_reg): Likewise.
1545 (mark_used_regs): Likewise with new_live.
1546 (mark_used_reg): Likewise. Revert 0408 change.
1548 2000-04-11 Nick Clifton <nickc@cygnus.com>
1550 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1552 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1554 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1556 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1557 const section to output a CONSTRUCTOR based on the same conditions
1560 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1562 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1563 * pa/pa-protos.h (output_call): Add additional argument indicating
1564 if the call is a sibling/tail call.
1565 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1566 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1567 (function_arg, function_arg_partial_nregs): Likewise
1568 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1569 (emit_move_sequence): Zero extend certain constants as needed
1571 (compute_zdepdi_operands, output_64bit_and): New functions.
1572 (output_64bit_ior, function_arg): Likewise.
1573 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1574 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1575 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1576 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1577 (output_bvb): Likewise.
1578 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1579 (output_call): New argument 'sibcall'. Generate sibcall sequences
1581 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1582 (ouput_arg_descriptor): Do not emit argument descriptors for
1584 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1586 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1587 (FUNCTION_OK_FOR_SIBALL): Define.
1588 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1589 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1590 (CPP_SPEC): Use new spec infrastructure.
1591 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1592 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1593 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1594 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1595 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1596 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1597 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1598 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1599 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1600 (FUNCTION_ARG); Call out to C code.
1601 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1602 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1603 (MIN_UNITS_PER_WORD): Likewise.
1604 * pa/pa.md (cmpdi): New expander.
1605 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1606 (64bit conditional arithmetic): New patterns.
1607 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1608 (movsicc): Not available if modes on all the operands to not match.
1609 (movdicc): New expander and associated patterns.
1610 (64bit branches): New patterns.
1611 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1612 (pre_ldd, post_std): New patterns.
1613 (64bit addil, load low part): New patterns.
1614 (special movsf constant): Not available for TARGET_64BIT.
1615 (movsf, movdf expanders): Force constants into memory.
1616 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1617 (64bit movdf/movdi patterns): New patterns.
1618 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1620 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1621 (adddi3 expander): Allow "arith_operand" for second input.
1622 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1623 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1624 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1625 (muldi3): New expander for TARGET_64BIT.
1626 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1628 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1629 patterns for TARGET_64BIT.
1630 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1631 patterns for TARGET_64BIT.
1632 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1633 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1634 (sibcall_epilogue): New expander.
1635 (casesi): Tweak for TARGET_64BIT.
1636 (call expanders): Set & use the outgoing argument pointer. Use the
1637 64bit call patterns as needed. Add additional arg to output_call.
1638 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1639 (sibcall, sibcall_internal_symref): New expanders.
1640 (sibcall_value, sibcall_value_internal_symref
1641 (interspace_jump): Turn into an expander + matching patterns.
1642 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1643 * pa/pa64-regs.h: Eliminate trigraph sequences.
1644 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1646 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1648 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1649 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1650 cpp_token with cpp_ttype everywhere.
1651 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1652 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1653 CPP_BUF_COL. Line and column numbers are unsigned int, not
1655 * cpplex.c (cpp_buf_line_and_col): Delete.
1656 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1657 'long lineno' to 'unsigned int lineno'.
1658 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1660 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1662 * extend.texi: ISO C99 is not a draft anymore.
1663 * invoke.texi: ISO C++ is not a draft anymore.
1664 * cpp.texi: __cplusplus is required by the ISO standard.
1666 * extend.texi (-fthis-is-variable): Undocument.
1667 * flags.h (warn_template_debugging): Remove declaration.
1668 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1669 -Wenum-clash, -Wtemplate-debugging): Undocument.
1671 2000-04-10 Nick Clifton <nickc@cygnus.com>
1673 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1675 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1677 (ARM_SIGN_EXTEND): Use HOST_UINT.
1678 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1679 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1680 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1681 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1683 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1684 (arm_gen_constant): Use HOST_UINT.
1685 (arm_canonicalize_constant): Use HOST_UINT.
1686 (arm_reload_in_hi): Use HOST_UINT.
1687 (arm_reload_out_hi): Use HOST_UINT.
1688 (output_multi_immediate): Use HOST_UINT.
1689 (int_log2): Use HOST_UINT.
1690 (arm_poke_function_name): Use HOST_UINT.
1691 (arm_output_epilogue): Use arm_volatile_func().
1692 (output_thumb_prologue): Use arm_strip_name_encoding().
1694 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1696 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1697 of sequence point problems.
1699 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1701 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1703 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1705 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1707 * sbitmap.h: Whitespace changes and use upper-case macro args.
1708 (struct simple_bitmap_def): All sizes now unsigned.
1709 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1710 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1711 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1712 (sbitmap_zero): Cast bzero arg to PTR.
1713 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1714 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1715 loop to make structure clearer.
1716 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1717 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1718 (sbitmap_a_and_b_or_c): Likewise.
1719 (sbitmap_intersection_of_succs): Minor cleanups.
1720 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1721 (sbitmap_union_of_preds): Likewise.
1722 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1723 (debug_sbitmap): New function.
1725 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1726 * c-typeck.c (convert_for_assignment): Likewise.
1728 * expmed.c (init_expmed): Don't free objects we make.
1729 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1731 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1732 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1734 * gcse.c (expr_hash_table_size): Now unsigned.
1735 (compute_ae_gen): Local variable `i' now unsigned.
1736 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1737 (compute_transout, hoist_code): Likewise.
1738 (compute_local_properties): Likewise, also hash_table_size.
1739 (alloc_expr_hash_table): N_INSNS now unsigned.
1740 (delete_null_pointer_checks): Mark arg F as unused.
1742 * regrename.c: Minor cleanups, including chang some variables
1745 2000-04-10 Neil Booth <NeilB@earthling.net>
1747 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1749 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1751 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1753 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1754 __classof__, and __headof__ from the list of gnu keywords.
1755 (-ansi): Remove -foperator-names from list of implied options.
1756 Do not call it ANSI C++.
1757 (-foperator-names): Document as -fno-operator-names.
1759 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1761 * cpphash.c (timestamp): Delete.
1762 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1763 (special_symbol): Remove unnecessary braces. Remove
1764 T_VERSION. Treat T_STDC like T_CONST unless
1765 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1766 when one is encountered, then convert them into T_MCONST
1768 * cppinit.c (builtin_array): version_string is T_MCONST.
1769 __STDC__ has a "1" in its cpval. Don't have a terminator
1770 entry. Clean up which entries are dumped.
1771 (initialize_builtins): Only __STDC__ gets the special
1772 -traditional treatment. Count the length of builtin_array.
1773 Render version_string here.
1774 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1775 * cpplib.h (struct cpp_reader): Remove timebuf.
1777 2000-04-09 Richard Henderson <rth@cygnus.com>
1779 * genrecog.c (pred): Update comparison_operator for the unordered
1782 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1784 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1785 (uno_comparison_operator): New.
1786 (put_condition_code): Handle UNORDERED/ORDERED.
1787 (unsigned_comparison): Likewise.
1788 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1789 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1790 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1791 update all callers. Handle all 8 unordered operators.
1792 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1793 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1794 * config/i386/i386.h (PREDICATE_CODES): Update.
1795 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1796 (ix86_expand_branch, ix86_expand_setcc): Update.
1797 * config/i386/i386.md (sunordered, sordered): New.
1798 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1799 (bunordered, bordered): New.
1800 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1801 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1802 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1804 2000-04-09 Philip Blundell <philb@gnu.org>
1806 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1808 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1810 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1811 fix_truncxfhi2): New patterns.
1812 * i386.c (output_fix_trunc): Handle converting to HImode.
1814 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1816 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1818 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1819 (for_each_successor_phi): Change parameter to basic_block.
1820 (coalesce_regs_in_successor_phi_nodes): Likewise.
1821 (coalesce_regs_in_copies): Likewise.
1822 (compute_coalesced_reg_partition): Use basic_block instead of index.
1823 * rtl.h (convert_to_ssa): Delete.
1824 (convert_from_ssa): Likewise.
1825 (successor_phi_fn): Likewise.
1826 (for_each_successor_phi): Likewise.
1827 (in_ssa_form): Likewise.
1828 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1829 (convert_from_ssa): Likewise.
1830 (successor_phi_fn): Likewise.
1831 (in_ssa_form): Likewise.
1832 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1833 * flow.c (calculate_global_regs_live): Pass a basic_block to
1834 for_each_successor_phi.
1836 2000-04-08 Richard Henderson <rth@cygnus.com>
1838 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1839 was modified in the current insn.
1841 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1843 * arm/thumb.md: Delete.
1844 * arm/thumb-protos.h: Delete.
1846 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1848 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1850 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1852 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1855 * arm.md (nop): Use the standard RTL expression. Don't code as a
1857 (*arm_nop, *thumb_nop): Delete.
1859 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1860 constants. Use casts instead.
1861 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1862 output_multi_immediate, arm_poke_function_name): Likewise.
1863 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1864 MASK_RETURN_ADDDR): Likewise.
1866 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1868 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1871 * arm.md (eh_epilogue): New function.
1872 * arm.h (struct machine_function): Move to here ...
1873 * arm.c: ... from here.
1874 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1875 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1876 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1878 2000-03-30 Nick Clifton <nickc@cygnus.com>
1880 * config/arm/semi.h (ASM_SPEC): Restore definition.
1881 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1883 * config/arm/elf.h (ASM_SPEC): Restore definition.
1884 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1886 * config/arm/arm.h (ASM_SPEC): Remove definition.
1887 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1889 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1891 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1893 2000-03-24 Nick Clifton <nickc@cygnus.com>
1895 Various formating tidyups, elimination of compile time
1896 warnings and synchronisation with internal sources:
1898 * config/arm/arm-protos.h (assemble_align): Add prototype.
1899 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1900 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1901 (arm_return_addr_rtx): Rename to arm_return_addr.
1903 * config/arm/arm.c: Include except.h.
1904 Define shorter typenames for strict minipool_node and struct
1906 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1908 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1909 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1911 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1913 (ASM_SPEC): Define if not already defined.
1914 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1916 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1917 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1918 arm_gen_compare_reg.
1919 (indirect_jump): Only accept register operands.
1920 (load_indirect_jump): Keep this pattern since combine can generate
1923 * config/arm/coff.h: Include aout.h.
1924 (MULTILIB_DEFAULTS): Only define if not already defined.
1926 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1927 into arm.h (so that COFF ports can support thumb based aliases).
1928 (ASM_SPEC): Move definition into arm.h
1930 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1931 redundant apcs spec.
1932 (ASM_SPEC): Move definition to arm.h
1934 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1936 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1937 for entries in the .bss section
1939 2000-03-23 Nick Clifton <nickc@cygnus.com>
1941 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1942 to thumb_far_jump_used_p.
1944 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1945 single integer parameter.
1947 * config/arm/arm.c (struct machine_function): Add two new
1948 fields, 'far_jump_used' and 'arg_pointer_live'.
1949 (thumb_far_jump_used_p): Once the decision has been made that
1950 far jumps might be used, always return true.
1951 If being called from the initial elimination offset macro then
1952 do not bother to perform the test if the arg pointer is not
1954 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
1955 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
1957 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
1959 * arm.c (output_return_instruction): Handle more cases where we can
1960 return from a function with an ldr instruction.
1961 (arm_output_epilogue): Likewise.
1963 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
1964 if we need to push a large stack frame and there are no callee-saved
1967 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
1968 in ARM code if the frame pointer has been eliminated.
1970 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
1971 unspec_volatile arguments to avoid duplicates.
1972 (consttable_1, consttable_2): Fixes for big-endian mode.
1974 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
1977 Re-write constant pool code.
1978 * arm.c (minipool_node, minipool_fix): New types.
1979 (minifix): Delete type.
1980 (arm_add_minipool_constant): Delete.
1981 (arm_compute_minipool_offsets, arm_find_barrier,
1982 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
1983 (get_jump_table_size): Now returns HOST_WIDE_INT.
1984 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
1986 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
1987 (assign_minipool_offsets, arm_print_value): Likewise.
1988 (dump_minipool): Rewrite.
1989 (arm_barrier_cost): New function.
1990 (create_fix_barrier): New function.
1991 (push_minipool_barrier): New function.
1992 (push_minipool_fix): Record additional information about the fixup
1994 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
1995 check the mode of what needs fixing.
1996 (arm_reorg): Rewrite.
1998 2000-03-08 Nick Clifton <nickc@cygnus.com>
2000 * config/arm/arm.md (indirect_jump): Force constant addresses into
2003 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2005 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2007 2000-02-24 Nick Clifton <nickc@cygnus.com>
2009 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2010 adjust is word aligned.
2011 (thumb_expand_epilogue): Make sure that stack adjust is word
2014 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2016 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2018 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2019 pointer relative addresses.
2021 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2023 * arm.c (find_barrier): Find the last barrier within the allowed
2026 2000-02-09 Nick Clifton <nickc@cygnus.com>
2028 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2030 2000-02-09 Nick Clifton <nickc@cygnus.com>
2032 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2033 ARM_FUNCTION_PROFILER.
2035 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2036 ARM_FUNCTION_PROFILER.
2038 * config/arm/linux-oldld.h: Imported from mainline sources.
2040 2000-02-07 Nick Clifton <nickc@cygnus.com>
2042 * config/arm/lib1funcs.asm: Merge in thumb functions from
2045 * config/arm/lib1thumb.asm: Delete.
2047 2000-02-04 Nick Clifton <nickc@cygnus.com>
2049 * config/arm/arm.c: Sychronised with current Red hat local
2051 * config/arm/arm.h: Ditto.
2052 * config/arm/arm-protos.h: Ditto.
2054 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2056 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2058 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2061 2000-02-02 Nick Clifton <nickc@cygnus.com>
2063 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2065 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2066 (return) was emited using an emit_insn() call.
2068 2000-01-31 Nick Clifton <nickc@cygnus.com>
2070 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2072 (thumb_exit): Move frame pointer back into hard frame pointer
2073 register if backtracing is being used.
2075 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2077 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2080 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2082 * config/arm/arm.md (neg_pool_offset): Provide default for new
2084 (arm_movsi_insn): Add neg_pool_offset attribute.
2085 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2086 rtx for the insn that starts the scan and an unsigned long for its
2087 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2088 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2089 instructions in *PINSERTED.
2090 (struct minipool_fixup): Add MIN_ADDRESS elt.
2091 (sort_fixups): Compute it.
2092 (arm_reorg): Changes to support inserting pools before the insn to be
2095 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2097 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2098 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2099 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2101 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2103 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2105 (TARGET_DEFAULT): Do not define if already defined.
2107 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2109 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2110 (iordi3): Allow disjoint source operands.
2111 (xordi3): Allow disjoint source operands.
2112 (negdi2): Permit construction for ARM and Thumb.
2113 (arm_negdi2): Renamed version of old negdi2 pattern.
2114 (thumb_negdi2): New pattern: Only permit non-overlapping
2115 source and destination.
2117 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2119 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2120 scratch low register so that it will not be deleted.
2122 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2124 * config/arm/pe.h (ARM_PE): Define.
2126 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2127 interfacearm attribute if this is a PE toolchain.
2128 (output_return_instruction): Do not emit anything if the function
2129 has the naked attribute set.
2130 (is_called_in_ARM_mode): If the function has the interfacearm
2131 attribute then return true.
2132 (thumb_expand_prologue): Do not generate a prologue for naked
2134 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2136 (output_thumb_prologue): Do not bother if the function is naked.
2137 Strip PE encoding from function name before emitting.
2139 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2141 * arm.md (pic_load_addr): Fix constraints.
2143 * arm.md (casesi_insn): Fix mis-applied patch.
2145 * arm.md ("core" function unit): Add rules for single- and
2147 (All TARGET_THUMB patterns): Add "type" attribute information
2149 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2150 the following insn is a CALL.
2152 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2154 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2155 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2156 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2158 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2160 * config/arm/linux-gas.h: oops - this file was missed out when the
2161 branch was created...
2163 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2165 * thumb.c: Deleted. Move contents to ...
2167 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2169 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2172 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2173 declare a prototype for asm_output_align();
2175 * arm.c (thumb_condition_code): Delete.
2176 (arm_print_operand): Always use arm_condition_code array.
2178 * arm.c (thumb_return_addr_rtx): Delete.
2179 (arm_save_machine_status, arm_restore_machine_status): Delete.
2180 (arm_init_machine_status, arm_mark_machine_status): New functions.
2181 (arm_init_expanders): Update accordingly.
2182 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2183 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2184 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2186 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2188 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2190 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2193 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2195 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2196 stack backtrace structure.
2198 * config/arm/arm-protos.h: Add prototypes for functions defined in
2201 * config/arm/arm.c (arm_override_options): Fix selection of
2202 attributes of default processor.
2204 * config/arm/coff.h: Delete needless #include.
2206 * config/arm/pe.c: Delete unused code.
2208 * config/arm/pe.h (CPP_DEFINES): Delete
2209 (SUBTARGET_CPP_SPEC): Define.
2210 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2212 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2214 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2216 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2218 (CAN_DEBUG_WITHOUT_FP): Define.
2219 (FIXED_REGISTERS): Make r11 call-saved.
2220 (CALL_USED_REGISTERS): Likewise.
2221 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2222 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2223 frame-pointer is required.
2224 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2225 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2226 if the target normally needs a stack frame in non-leaf functions.
2227 (use_return_insn): Correct logic for determining when a return
2228 instruction can be used.
2229 (output_return_instruction): Handle the frame-pointer register as
2230 a normal register when not TARGET_APCS_FRAME.
2231 (arm_output_prologue): Likewise.
2232 (arm_output_epilogue): Likewise.
2233 (output_func_epilogue): Likewise.
2234 (arm_expand_prologue): Likewise.
2235 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2237 * arm.c (use_return_insn): No need to check floating point regs if
2239 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2240 the code of value stored in the minipool array.
2241 (arm_add_minipool_constant): Likewise.
2243 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2245 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2247 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2249 * tree.c (tree_expr_nonnegative_p): New function.
2251 * tree.h (tree_expr_nonnegative_p): Declare.
2253 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2254 elide some sign_compare warnings.
2255 (build_conditional_expr): Likewise.
2257 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2259 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2261 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2262 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2263 operand. Abort if a 387 operand has an unsupported size.
2265 2000-04-08 Neil Booth <NeilB@earthling.net>
2267 * cppexp.c (parse_charconst): Null does not end character
2269 * cppinit.c (ISTABLE): Null character handled as whitespace.
2270 * cpplex.c (null_warning): new function.
2271 (skip_string): Emit warning if nulls encountered.
2272 (_cpp_skip_hspace): Emit warning if nulls encountered.
2273 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2277 2000-04-07 Richard Henderson <rth@cygnus.com>
2279 * flow.c (loop_depth): Remove.
2280 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2281 (struct propagate_block_info): New.
2282 (life_analysis): Don't allocate reg_next_use.
2283 (propagate_block_delete_insn): Break out of propagate_block.
2284 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2285 (propagate_block_delete_libcall): Likewise.
2286 (propagate_block): Create a propagate_block_info struct to pass
2287 to subroutines. Allocate one not two temporary regsets. Don't
2288 clobber memory for const calls. Look for clobbers in
2289 CALL_INSN_FUNCTION_USAGE.
2290 (mark_set_regs): Recognize COND_EXEC.
2291 (mark_set_reg): Break out of mark_set_1.
2292 (mark_used_reg): Break out of mark_used_regs.
2293 (mark_used_regs): Recognize COND_EXEC.
2294 (insn_dead_p): Use propagate_block_info struct.
2295 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2296 (find_auto_inc, try_pre_increment_1): Likewise.
2297 (print_rtl_with_bb): Dump regs live at end too.
2298 (count_reg_sets_1): Pass in loop_depth.
2299 (count_reg_sets, count_reg_references): Likewise.
2300 (recompute_reg_usage): Provide it.
2302 2000-04-07 Richard Henderson <rth@cygnus.com>
2304 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2307 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2309 * cpplib.c (do_elif): Skip the rest of the line if we're
2310 not going to bother evaluating it.
2311 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2312 to avoid pointless calls to the lexer.
2314 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2316 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2318 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2320 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2322 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2324 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2326 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2328 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2329 crtend so they can be multilibbed.
2330 (STAGESTUFF): Remove s-crt and s-crtS.
2332 2000-04-07 Richard Henderson <rth@cygnus.com>
2334 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2335 if we discover we need a pseudo and no_new_pseudos is true.
2336 * config/alpha/alpha.md (ne:DI insn): New.
2337 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2339 2000-04-07 Richard Henderson <rth@cygnus.com>
2341 * rtl.def (COND_EXEC): New.
2342 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2343 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2345 * genconfig.c (have_cond_arith_flag): Remove.
2346 (have_cond_exec_flag): New.
2347 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2348 (main): Print HAVE_conditional_execution.
2350 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2351 (sched_analyze_insn, print_pattern): Likewise.
2352 * reload.c (find_equiv_reg): Likewise.
2353 * rtlanal.c (reg_referenced_p): Likewise.
2354 (note_stores, dead_or_set_regno_p): Likewise.
2355 (reg_overlap_mentioned_p): Rewrite to use a switch.
2357 * ggc.h (struct rtx_def): Forward declare.
2359 * print-rtl.c (debug_rtx_range): New.
2360 * rtl.h (debug_rtx_range): Declare.
2362 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2364 * gcse.c (gcse_main): Don't rebuild the CFG here.
2365 (delete_null_pointer_checks): Likewise.
2366 * ssa.c (convert_to_ssa): Likewise.
2367 * toplev.c (rest_of_compilation): Do it here instead. Combine
2368 sequential calls to TIMEVAR. Consistently use `insns' instead of
2369 `get_insns()'. Always split insns after reload when optimizing.
2371 * basic-block.h (merge_blocks_nomove): Declare.
2372 (tidy_fallthru_edge): Declare.
2373 * flow.c (merge_blocks_nomove): Document as merging into previous
2374 blocks. Remove cruft from between blocks; remove all edges out of A.
2375 (tidy_fallthru_edge): Export.
2377 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2379 * ssa.c (compute_conservative_reg_partition): Declare with
2381 * toplev.c (clean_dump_file): Remove previously-deleted function
2382 inadvertantly merged back in.
2383 * conflict.c (conflict_graph_add): Use a single call to
2384 htab_find_slot to look up and insert.
2386 2000-04-06 Richard Henderson <rth@cygnus.com>
2388 * genrecog.c (*): Rename _last_insn to last_insn.
2389 (make_insn_sequence): Set the position of the peephole2 C test
2390 to be at the last insn.
2392 2000-04-06 Richard Henderson <rth@cygnus.com>
2394 * flow.c (compute_flow_dominators): Free worklist.
2396 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2398 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2400 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2402 * rtl.h (INSN_P): New macro.
2403 (successor_phi_fn): New typedef.
2404 (for_each_successor_phi): New prototype.
2405 (in_ssa_form): New variable.
2406 (PHI_NODE_P): Likewise.
2407 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2408 phi nodes in successors.
2409 (mark_used_regs): Add PHI case.
2410 (set_phi_alternative_reg): New function.
2411 (life_analysis): Assert that dead code elimination is not selected
2413 * toplev.c (to_ssa_time): New variable.
2414 (from_ssa_time): Likewise.
2415 (compile_file): Zero to_ssa_time and from_ssa_time.
2416 Print time to convert to and from SSA.
2417 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2418 (print_time): Compute percent fraction as integer.
2419 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2420 (convert_to_ssa): Check if we're already in SSA.
2421 Don't eliminate dead code in life_analysis.
2422 Rerun flow and life analysis at bottom.
2423 (eliminate_phi): Use canonical regnos when adding nodes.
2424 (mark_reg_in_phi): New function.
2425 (mark_phi_and_copy_regs): Likewise.
2426 (convert_from_ssa): Rerun life analysis at top.
2427 Use coalesced partition.
2428 Check for removing a phi node at the end of the block.
2429 (compute_coalesced_reg_partition): New function.
2430 (coalesce_regs_in_copies): Likewise.
2431 (coalesce_reg_in_phi): Likewise.
2432 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2433 (for_each_successor_phi): Likewise.
2434 (rename_context): New struct.
2435 (rename_block): Use a rename_context with rename_insn_1. When
2436 renaming sets of a subreg, emit a copy of the entire reg first.
2437 (rename_insn_1): Treat data as a rename_context *. Save current
2439 (rename_set_data): Add field set_insn.
2440 * Makefile.in (HASHTAB_H): Move up in file.
2441 (OBSTACK_H): New macro.
2442 (collect2.o): Use OBSTACK_H in dependencies.
2443 (sdbout.o): Likewise.
2444 (emit-rtl.o): Likewise.
2445 (simplify-rtx.o): Likewise.
2446 (fix-header.o): Likewise.
2447 (OBJS): Add conflict.o.
2448 (conflict.o): New rule.
2449 * basic-block.h: Include partition.h.
2450 (conflict_graph): New typedef.
2451 (conflict_graph_enum_fn): Likewise.
2452 (conflict_graph_new): New prototype.
2453 (conflict_graph_delete): Likewise.
2454 (conflict_graph_add): Likewise.
2455 (conflict_graph_conflict_p): Likewise.
2456 (conflict_graph_enum): Likewise.
2457 (conflict_graph_merge_regs): Likewise.
2458 (conflict_graph_print): Likewise.
2459 (conflict_graph_compute): Likewise.
2460 * conflict.c: New file.
2462 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2464 * tlink.c (read_repo_files): Don't look for .rpo info for
2467 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2469 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2471 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2473 * config/sh/lib1funcs.asm (___udivsi3_i4):
2474 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2475 only depends on FMOVD_WORKS.
2477 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2479 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2480 make double constant 8-byte aligned.
2482 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2484 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2485 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2486 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2487 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2488 Accept storing GENERAL_REGS into offsetable memory.
2489 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2490 building a TFmode constant other than 0.0L into GENERAL_REGS.
2492 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2494 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2496 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2498 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2499 (macro_cleanup): No need to cast pbuf->macro.
2500 (collect_expansion): Use _cpp_get_define_token. Goto done if
2501 it returns VSPACE. Remove check for trailing space after
2503 (_cpp_create_definition): Don't diddle flags here. Return
2505 (unsafe_chars): Handle c1 being EOF.
2506 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2507 checks. Don't push the buffer till after we're done with
2509 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2510 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2511 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2513 (_cpp_parse_assertion): Don't NUL terminate.
2514 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2515 hspace before calling _cpp_parse_assertion. Remove all sets
2516 of only_seen_white. Treat '\f' as hspace. Don't do anything
2517 special with '\n' here.
2518 (maybe_macroexpand): Handle T_EMPTY hash entries without
2519 pushing a buffer at all.
2520 (cpp_get_token): Handle clearing only_seen_white here. Handle
2521 incrementing the line number here. Clear
2522 potential_control_macro as well as only_seen_white, if
2524 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2525 (_cpp_get_define_token): New function, basically like
2526 _cpp_get_directive_token was but doesn't eat horizontal space.
2527 Don't do anything with only_seen_white here.
2528 (_cpp_get_directive_token): Just call _cpp_get_define_token
2529 repeatedly till it returns non-hspace.
2531 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2532 (conditional_skip, skip_if_group): Return int.
2533 (DIRECTIVE_TABLE): Change origin of all conditional directives
2535 (TRAD_DIRECT_P): New macro.
2536 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2537 an error for a bogus directive, unless -lang-asm. Use
2538 TRAD_DIRECT_P. Loop calling handler functions till one returns
2540 (get_macro_name): Don't diddle flags here.
2541 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2542 Create T_EMPTY nodes for #define macro /* nothing */.
2543 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2544 Use hp->name when calling pass_thru_directive.
2545 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2546 Return the result of conditional_skip and/or skip_if_group.
2547 Don't call _cpp_output_line_command.
2548 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2549 Issue -Wtraditional warnings as appropriate. Don't complain
2550 about unrecognized directives. If we are to stop skipping,
2551 return the number of the directive that ended the skip.
2552 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2553 expansion and line commands while skipping. Return the result
2554 of consider_directive_while_skipping, if nonzero.
2555 (do_endif): Just set potential_control_macro here.
2556 (validate_else): Use _cpp_get_directive_token.
2557 (do_assert, do_unassert): Don't save pointers into the
2558 token_buffer across calls to the lexer. Use
2559 _cpp_get_directive_token.
2561 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2562 pointer, not an offset. Replace 'data', which was a generic
2563 pointer, with 'macro', which points to a struct hashnode.
2564 (cpp_reader): Add 'potential_control_macro' pointer.
2565 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2566 (CPP_BUF_GET, CPP_FORWARD): Delete.
2567 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2568 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2569 ACTIVE_MARK_P): Update.
2570 (_cpp_get_define_token): New internal function.
2571 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2573 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2575 * configure.in: And here.
2576 * configure: Regenerate.
2577 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2578 --enable-libstdcxx-v3 is passed at configure time.
2579 * config.h.in: Regenerate.
2581 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2583 * final.c (final): Use xcalloc to allocate line_note_exists.
2584 * function.c (free_after_compilation): Free the temp_slots.
2585 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2586 (combine_temp_slot): Free temp_slots when they get combined.
2587 (purge_addressof): Fix typo in comment.
2588 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2589 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2591 * ggc.h: Include varray.h.
2592 (ggc_pending_trees): Declare.
2593 (ggc_mark_tree_children): Remove declaration.
2594 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2595 * ggc-common.c (ggc_pending_trees): New variable.
2596 (ggc_mark_roots): Call ggc_mark_trees.
2597 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2598 the ggc_pending_trees.
2599 * Makefile.in (GGC_H): New variable. Use it throughout in place
2602 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2604 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2607 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2609 * sh.c (sh_insn_length_adjustment): New function.
2610 * sh-protos.h (sh_insn_length_adjustment): Declare.
2611 * sh.h (ADJUST_INSN_LENGTH): Use it.
2613 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2615 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2616 from the insn where REG_RETVAL is added.
2617 (emit_no_conflict_block): Ditto.
2619 * md.texi (Standard Names): Clarify when movX is needed.
2621 * combine.c (simplify_comparison) [MINUS]: Do not replace
2622 all (op (minus A B) 0) with (op A B).
2624 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2625 J"orn Rennecke <amylaar@cygnus.co.uk>
2627 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2628 (block_lump_real): Likewise.
2630 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2632 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2633 remaining non-zero debugging masks.
2635 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2637 * basic-block.h (verify_flow_info): Declare.
2638 (flow_loop_outside_edge_p): Declare.
2639 * flow.c (verify_flow_info): Remove declaration.
2640 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2642 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2644 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2647 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2649 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2650 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2651 seqdi_zero_trunc+1): Allow splits only if registers are
2654 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2656 * acconfig.h: Add HAVE_GAS_HIDDEN.
2657 * config.in: Regenerated.
2658 * configure.in: Add test for .hidden pseudo-op in gas.
2659 * configure: Regenerated.
2660 * crtstuff.c: Include auto-host.h.
2661 Emit additional .hidden pseudo-op for __dso_handle if the
2662 assembler knows about it.
2664 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2666 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2667 before freeing argnames.
2668 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2670 2000-04-05 Michael Meissner <meissner@redhat.com>
2672 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2673 Walton <jonboy@gordian.com> to make memory references with update
2674 work wtih -mregnames.
2676 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2678 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2679 (regrename_optimize): Rename variables `def_uses' and
2680 `ext_basic_blocks' to avoid conflicts with similarly named
2681 typedefs in traditional C.
2683 * calls.c (initialize_argument_information): Fix typo in previous
2686 2000-04-04 Richard Henderson <rth@cygnus.com>
2688 * regrename.c (consider_available): Test fixed_regs not
2689 PIC_OFFSET_TABLE_REGNUM.
2691 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2693 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2695 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2696 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2697 (ENDFILE_LINUX_SPEC): Always use crtend.
2698 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2699 (powerpc-*-linux-gnu): Likewise.
2700 * configure: Regenerate.
2702 * config/rs6000/eabi.h: Don't include sysv4.h.
2703 (MULTILIB_DEFAULTS): Don't define.
2704 * config/rs6000/eabiaix.h: Don't include eabi.h.
2705 * config/rs6000/eabile.h: Delete.
2706 * config/rs6000/eabilesim.h: Delete.
2707 * config/rs6000/eabisim.h: Don't include eabi.h.
2708 * config/rs6000/linux.h: Don't include sysv4.h.
2709 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2710 (MULTILIB_DEFAULTS): Don't redefine.
2711 * config/rs6000/rtems.h: Don't include eabi.h.
2712 * config/rs6000/sol2.h: Don't include sysv4le.h.
2713 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2714 * config/rs6000/t-ppc: Delete.
2715 * config/rs6000/t-ppcgas: Correct comment.
2716 * config/rs6000/t-ppcos: Correct comment. Don't build
2717 multilibs for -fPIC, rather use -fPIC -mstrict-align
2719 * config/rs6000/t-ppc: Delete.
2720 * config/rs6000/vxppc.h: Don't include sysv4.h.
2721 * config/rs6000/vxppcle.h: Delete.
2722 * configure.in: Use multiple header files for p2pc ELF targets
2723 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2724 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2725 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2726 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2727 always available for these platforms.
2729 2000-04-04 Richard Henderson <rth@cygnus.com>
2731 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2733 2000-04-04 Stan Cox <scox@cygnus.com>
2735 * Makefile.in: Add rules for regrename.o
2736 * regrename.c: New file.
2737 * rtl.h (regrename_optimize): Add prototype.
2738 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2739 (compile_file, decode_d_option): Add support for -frename-registers.
2740 (rest_of_compilation): Call regrename_optimize.
2741 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2744 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2746 * Makefile (gccbug): New target.
2747 (doc): Depend on it.
2748 * gcc.texi (Bugs): Link subnodes.
2750 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2751 Document severities, priorities, and classes in bug form.
2753 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2755 * cpplex.c (trigraph_map, speccase): Combine into single
2757 (NORMAL, NONTRI): New macros.
2758 (_cpp_read_and_prescan): Change to use unified table. Use
2759 is_hspace to test for whitespace.
2761 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2762 definition that doesn't provoke the "empty body in an
2763 if-statement" warning.
2765 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2767 * builtins.c (expand_builtin_strlen): Force the source to
2768 be a memory address.
2770 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2772 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2774 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2776 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2777 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2778 (ECF_IS_CONST): Rename to ECF_CONST.
2779 (special_function_p): Make static, change interface.
2780 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2781 (expand_call) ... here; convert number of variables to flags.
2782 (emit_library_call_vlue_1): Likewise.
2783 (setjmp_call_p): New function.
2784 (initialize_argument_information): Accepts flags as argument;
2786 (precompute_arguments): Likewise.
2787 * tree.h (special_function_p): Remove.
2788 (setjmp_call_p): Add prototype.
2790 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2792 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2793 so that addresses are offsetable by up to 16 bytes.
2794 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2795 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2798 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2799 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2800 (movsf): Don't force any constant to memory if target is integer
2802 Move fp_zero_operand check below the const0_rtx check.
2803 (movtf): Likewise. Also allow fp_zero_operand for stores into
2805 (movdf): Likewise. Also allow fp_zero_operand for stores into
2806 memory and into integer hard registers.
2807 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2808 movdf_const_intreg_sp64): Remove.
2809 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2811 (movdf_no_e_insn_v9_sp32): New pattern.
2812 (movdf_insn_v9only): Remove.
2813 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2814 (movdf_insn_sp64): Remove.
2815 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2816 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2817 (following splits): Rewrite conditions. Add two new splits
2818 for storing 0.0 into memory and registers.
2819 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2820 (movtf_insn_sp32): Redo constraints and conditions.
2821 (movtf_insn_vis_sp32): New pattern.
2822 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2823 (movtf_insn_hq_sp64): Likewise.
2824 (movtf_insn_hq_vis_sp64): New pattern.
2825 (movtf_insn_sp64): Redo constraints and conditions.
2826 (movtf_insn_vis_sp64): New pattern.
2827 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2828 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2830 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2831 -mvis or -m64 to take down the number of various reload patterns.
2833 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2835 * pa/pa-64.h: New file.
2836 * pa/pa64-regs.h: New file.
2837 * pa/pa64-start.h: New file.
2838 * pa/t-pa64: New file.
2839 * pa/xm-pa64hpux.h: New file.
2841 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2843 * sparc.c (output_restore_regs): Prototype.
2844 (sparc_emit_float_lib_cmp): Constification.
2846 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2848 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2851 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2852 (get_value_hash, hash_rtx): Likewise.
2854 * ssa.c (compute_conservative_reg_partition): Prototype.
2856 * tree.c (mark_hash_entry): Prototype.
2858 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2860 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2861 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2862 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2864 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2865 * objc/lang-specs.h: Likewise.
2867 2000-04-03 Neil Booth <NeilB@earthling.net>
2869 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2870 and SYNTAX_ERROR2. Replace `' in messages with ''.
2871 (op_to_str): Make re-entrant.
2872 (_cpp_parse_expr): Implement new error macros. Use | rather
2873 than || to logically or 2 boolean integers. Simply expression
2874 checking we have a left operand iff needed.
2876 2000-04-03 Nick Clifton <nickc@cygnus.com>
2878 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2880 2000-04-03 Philip Blundell <philb@gnu.org>
2882 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2884 2000-04-03 Felix Lee <flee@cygnus.com>
2886 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2887 (run_shell): Use it.
2889 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2891 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2892 (stmp-fixproto): ...rather than here.
2894 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2896 * pa.c (print_operand): Compute 'base' only inside the code paths
2899 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2901 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2904 2000-04-03 Philipp Thomas <pthomas@suse.de>
2906 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2908 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2910 * Makefile.in (alias.o): Depend on $(TREE_H).
2912 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2914 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2916 * cpplib.c (_cpp_handle_directive): Improve warnings for
2917 traditional C and indented directives.
2919 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2920 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2921 fixinc/inclhack.def: Indent the # of #include_next one space.
2922 * cp/rtti.c: Un-indent #if and #endif.
2924 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2925 syntax error, but an error has already been printed.
2926 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2927 message when called with nothing remaining on the line.
2928 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2929 OTHER token, not an ASSERTION.
2930 * cpplib.c (do_assert): When we create a 'base' node, clear
2931 its aschain pointer.
2933 2000-04-02 Neil Booth <NeilB@earthling.net>
2935 * cppexp.c: New typedef op_t. struct operation and struct
2936 token updated to use it.
2937 (op_to_str): New function.
2938 (_cpp_parse_expr): Error messages modified to use op_to_str.
2940 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2942 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2943 before checking MUST_PASS_IN_STACK.
2945 2000-04-02 Neil Booth <NeilB@earthling.net>
2947 * cppexp.c: New FINISHED dummy token. Combine operator initial
2948 flags and initial priority into a single constant. New
2949 EQUALITY macro. New operator flag SHORT_CIRCUIT.
2950 (_parse_cpp_expr): Implement new constants. Take left operand
2951 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
2952 parse indicated by reducing FINISHED token. Remove new lines
2953 from cpp_error messages.
2955 2000-04-01 Mark Mitchell <mark@codesourcery.com>
2957 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
2960 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
2962 * cpplib.c: Include symcat.h. Add 'origin' field to struct
2963 directive. Add origin values to DIRECTIVE_TABLE. Generate
2964 the strings and function names on the fly. Take the #sccs
2965 entry out of the table if SCCS_DIRECTIVE is not defined.
2966 (_cpp_handle_directive): Decide if the # was at the beginning
2967 of the line here. Issue -pedantic warnings for extended
2968 directives here. Warn about K+R directives with the #
2969 indented, and C89/extended directives with the # not indented,
2971 (do_import, do_include_next, do_warning, do_ident, do_sccs,
2972 do_assert, do_unassert): Don't issue pedantic warning here.
2974 * cpphash.h: Add CPP_WTRADITIONAL macro.
2975 * cpplib.h (struct cpp_options): Rename warn_stringify to
2976 warn_traditional; update comments.
2977 * cppinit.c (handle_option): Set warn_traditional not
2979 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
2980 CPP_WTRADITIONAL (pfile).
2981 * cpplex.c (_cpp_lex_token): Don't decide if directives should
2982 be ignored in -traditional mode here.
2984 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
2985 to initialize speccase[] and trigraph_map[]. Delete all
2986 references to pfile->input_speccase. Always treat '?' as a
2987 special character. Remove table-initialization code from
2988 _cpp_init_input_buffer.
2990 * cpplib.h (struct cpp_reader): Remove input_speccase field.
2991 * cppinit.c (cpp_cleanup): Don't free input_speccase.
2993 2000-04-01 Richard Henderson <rth@cygnus.com>
2995 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
2996 (mostlyclean): Likewise.
2998 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
2999 (struct dump_file_info, enum dump_file_index, dump_file): New.
3000 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3001 not a string. Clean out file if we havn't yet done so. Do nothing
3002 if the dump isn't enabled.
3003 (close_dump_file): Do nothing if the dump isn't open. Dump
3004 graph data if requested.
3005 (dump_rtl, clean_dump_file): Remove.
3006 (compile_file): Don't clean the dump files. Only finalize .bp dump
3007 if flag_test_coverage or flag_branch_probabilities. Only finalize
3008 .combine dump if optimizing. Iterate over dump_file to finalize the
3010 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3011 Convert all uses of dump_rtl.
3012 (decode_d_option): Iterate over dump_file to implement 'a' and to
3013 locate pass-specific dumps.
3015 2000-04-01 Neil Booth <NeilB@earthling.net>
3017 * cppexp.c: Redefine priority constants.
3018 (_cpp_parse_expr): Replace left and right priority scheme with
3019 single priority logic. Move LOGICAL to same place as COMPARE.
3020 Remove bogus check for multiple unary +/- operators.
3022 2000-04-01 Neil Booth <NeilB@earthling.net>
3024 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3025 within the switch statement. Binary operations break out of
3026 the switch naturally. '(' tokens handled by forcing
3027 immediate shift. ')' handled by forcing immediate reduce to
3028 the previous '('. New error messages.
3030 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3032 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3033 part', it's already in use. Use %K instead. Add a return at the
3034 end of what is now %K.
3035 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3037 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3039 * builtins.c (expand_builtin_apply): Pass proper parameters to
3040 allocate_dynamic_stack_space.
3041 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3042 update stack_pointer_delta; do not update arg_size_so_far.
3043 (compute_argument_block_size): Use stack_delta instead of
3044 stack_pointer_pending and arg_size_so_far.
3045 (expand_call): Add sanity checking for stack_pointer_delta;
3046 save and restore stack_pointer_delta for SIB, use
3047 stack_pointer_delta for alignment; do not update arg_space_so_far.
3048 (emit_library_call_value): Use stack_pointer_delta for alignment.
3049 (store_one_arg): Do not update arg_space_so_far.
3050 * explow.c (adjust_stack, anti_adjust_stack): Update
3051 stack_pointer_delta.
3052 (allocate_dynamic_stack_space): Add sanity checking for
3053 stack_pointer_delta.
3054 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3055 stack_pointer_delta.
3056 (emit_push_insn): Update stack_pointer_delta.
3057 * function.h (struct expr_status): Add x_stack_pointer_delta;
3058 remove x_arg_space_so_far.
3059 (arg_space_so_far): Remove.
3060 (stack_pointer_delta): New macro.
3062 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3064 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3065 Reorder struct cpp_options and struct cpp_reader for better
3066 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3067 takes two args. Change all 'char' flags to 'unsigned char'.
3068 Move show_column flag into struct cpp_options. Don't
3069 prototype cpp_options_init.
3070 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3071 cppinit.c, cpplex.c, cpplib.c:
3072 Replace CPP_OPTIONS (pfile)->whatever with
3073 CPP_OPTION (pfile, whatever), and likewise for
3074 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3076 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3077 Extract CPP_OPTION (pfile, pending) and work with that
3079 (cpp_options_init): Delete.
3080 (cpp_reader_init): Turn on on-by-default options here.
3081 Allocate the pending structure here.
3082 (cl_options, enum opt_code): Define these from the same table,
3083 kept in a large macro. Add -fshow-column and -fno-show-column
3086 * cpperror.c (v_message): If show_column is off, don't print
3089 * cppmain.c: Update for new interface.
3090 * fix-header.c: Likewise.
3092 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3094 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3096 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3097 are passed to any invocation of AR_FOR_TARGET.
3098 (AR_CREATE_FOR_TARGET): New macro.
3099 (AR_EXTRACT_FOR_TARGET): New macro.
3100 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3101 AR_EXTRACT_FOR_TARGET.
3102 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3103 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3104 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3105 AR_EXTRACT_FOR_TARGET to sub-makes.
3107 2000-03-31 Neil Booth <NeilB@earthling.net>
3109 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3111 (_cpp_parse_expr): Check for multiple unary +/- operators.
3112 Correct priorities of ':' and '?'. Treat ')' as having a
3113 value. Ensure conditional expression is not void.
3115 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3117 * alias.c (canon_rtx): Make it global.
3118 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3120 * cse.c (struct table_elt): Add canon_exp.
3122 (invalidate): Canonicalize expressions only once.
3123 * rtl.h (canon_rtx): Declare.
3125 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3127 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3128 * alias.c (reg_known_value): Add comments.
3129 (init_alias_analysis): Likewise.
3130 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3132 (cse_basic_block): Fix typo in comment.
3133 * emit-rtl.c: Include hashtab.h.
3134 (const_int_htab): New variable.
3135 (const_int_htab_hash): New function.
3136 (const_int_htab_eq): Likewise.
3137 (rtx_htab_mark_1): Likewise.
3138 (rtx_htab_mark): Likewise.
3139 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3140 (unshare_all_rtx): Fix formatting.
3141 (init_emit_once): Initialize const_int_htab.
3142 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3144 * rtl.texi: Document the fact that all CONST_INTs with the same
3147 2000-03-30 Richard Henderson <rth@cygnus.com>
3149 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3151 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3153 * configure.in: Comment out --enable-c-cpplib stanza.
3154 * configure: Regenerate.
3156 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3158 * expr.c (store_constructor): Properly compute displacement and
3159 alignment when offset is variable.
3161 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3162 cases of alignment in bytes.
3164 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3166 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3167 since it is used to generate c-parse.y.
3168 * objc-parse.c, objc-parse.y: Regenerated.
3170 * function.c (expand_function_end): Pass alignment argument to
3171 emit_block_move in bits, not bytes.
3173 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3175 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3178 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3180 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3181 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3182 * function.c (assign_parms): Likewise.
3183 * integrate.c (expand_inline_function): Likewise.
3184 * stmt.c (expand_decl): Likewise.
3185 (copy_rtx_and_substitute): Likewise.
3186 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3187 (clear_by_pieces): Fix error in last change.
3188 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3189 * function.h (regno_pointer_align): Now unsigned.
3190 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3192 * config/i386/i386.c (aligned_operand): Likewise.
3193 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3194 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3195 (unaligned_memory_operand): Likewise.
3196 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3197 Also make alignments and sizes unsigned and some whitespace cleanup.
3198 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3200 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3201 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3202 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3203 (expand_builtin_memset): Likewise, but to clear_storage.
3204 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3205 (restore_fixed_argument_area): Likewise.
3206 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3207 (load_register_parameters): Likewise, to emit_group_load.
3208 (expand_call): Likewise, to emit_group_store and emit_block_move.
3209 (emit_library_call_value_1): Likewise, to emit_block_move.
3210 (store_one_arg): Likewise, and to emit_push_insn.
3211 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3212 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3213 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3214 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3215 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3216 (expand_assigment, store_expr, store_constructor_field): Likewise.
3217 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3218 (store_constructor, store_field, get_inner_reference): Likewise.
3219 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3220 (expand_expr, case COMPONENT_REF): Likewise.
3221 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3222 and positions; reindent code.
3223 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3224 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3225 (assign_parms): Likewise to emit_group_store.
3226 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3227 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3228 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3229 (expand_return): Likewise to {extract,store}_bit_field.
3230 * stor-layout.c (get_mode_alignment): Minor cleanup.
3231 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3232 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3234 2000-03-29 Nick Clifton <nickc@cygnus.com>
3236 * config/arm/arm.h: Undo effects of previous delta:
3237 (ASM_SPEC): Do not define.
3238 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3240 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3243 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3245 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3246 only after reading in the primary source file.
3248 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3250 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3251 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3252 or a reference to a va_list.
3253 * builtins.c (stabilize_va_list): Simplify now we don't have to
3254 work around C array address decay.
3255 * c-typeck.c (convert_for_assignment): Handle assignment to
3256 a reference parameter by taking the address of the RHS.
3257 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3258 (va_copy): Likewise.
3259 (__va_copy): Likewise.
3260 * ginclude/varargs.h (va_start): Likewise.
3261 (__va_copy): Likewise.
3263 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3265 * i386/djgpp.h: Remove extraneous "+".
3267 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3269 * calls.c (expand_call): Fix typo in last change.
3271 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3273 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3276 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3278 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3279 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3280 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3281 * tree.c (bit_position, byte_position): Likewise.
3282 * tree.h: Declare new functions.
3284 2000-03-29 Nick Clifton <nickc@cygnus.com>
3286 * config/arm/arm.c: Minor formatting changes/
3287 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3289 (ASM_SPEC): Define if not already defined.
3291 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3293 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3296 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3298 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3299 value, don't output it as unsigned.
3301 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3303 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3305 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3307 * c-common.c (c_common_nodes_and_builtins): Don't special case
3308 cplus_mode when declaring builtin bzero/bcmp, always avoid
3309 prototype arguments.
3311 2000-03-29 Bruce Korb <bkorb@gnu.org>
3313 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3316 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3318 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3319 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3320 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3321 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3322 (save_fixed_argument_area, restore_fixed_argument_area):
3323 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3324 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3325 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3326 (precompute_register_parameters): Avoid #ifdefs on
3327 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3328 (stire_one_args): Likewise.
3329 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3330 (emit_library_call_value_1): Likewise.
3331 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3332 ACCUMULATE_OUTGOING_ARGS.
3333 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3335 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3336 (use_crosses_set_p): Likewise.
3337 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3338 #define ACCUMULATE_OUTGOING_ARGS 1.
3339 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3341 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3343 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3344 (TARGET_SWITCHES): Add push-args, no-push-args,
3345 accumulate-outgoing-args and no-accumulate-outgoing-args.
3346 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3347 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3348 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3350 (emit_push_insn): Likewise.
3351 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3352 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3353 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3354 (STACK_DYNAMIC_OFFSET): Define correctly for both
3355 ACCUMULATE_OUTGOING_ARGS and normal mode.
3356 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3357 * tm.texi (PUSH_ARGS): Document.
3358 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3360 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3362 * flags.h (flag_optimize_sibling_calls): Declare.
3363 * calls.c (expand_call): Fail sibcall when
3364 !flag_optimize_sibling_calls
3365 * invoke.texi (flag_optimize_sibling_calls): Document.
3366 * toplev.c (flag_optimize_sibling_calls): New global variable.
3367 (f_options): Add flag_optimize_sibling_calls.
3368 (rest_of_compilation): Conditionize
3369 optimize_sibling_and_tail_recursive_calls by
3370 flag_optimize_sibling_calls.
3371 (main): Set flag_optimize_sibling_calls for -O2.
3372 * stmt.c (expand_return): Conditionize tail recursion by
3373 flag_optimize_sibling_calls.
3375 2000-03-29 Richard Henderson <rth@cygnus.com>
3377 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3378 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3380 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3382 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3384 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3386 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3388 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3389 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3390 * config/rs6000/aix.h: then modified likewise.
3392 2000-03-28 Richard Henderson <rth@cygnus.com>
3394 * rtl.h: Redistribute enum reg_note documentation.
3395 Kill trailing whitespace.
3396 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3397 Kill trailing whitespace.
3399 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3401 * cppfiles.c (hash_IHASH): Just return i->hash.
3402 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3403 htab_find_with_hash.
3404 (cpp_read_file): Likewise.
3405 (find_include_file): Likewise. Properly initialize
3406 ih->nshort. Share ih->name and ih->nshort if possible.
3407 * cpphash.c (_cpp_calc_hash): New function.
3408 (hash_HASHNODE): Just return h->hash.
3409 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3410 htab_find_with_hash.
3411 * cpphash.h: Prototype _cpp_calc_hash.
3412 * cppinit.c (initialize_builtins): Provide a valid hash
3413 to _cpp_make_hashnode, using _cpp_calc_hash.
3415 * cpphash.c (collect_expansion): # is not a special character
3416 in object-like macros. In -traditional mode, /**/ is not
3417 token paste at the beginning or end of the line.
3418 * cpplib.c (do_include, do_import, do_include_next): If
3419 parse_include fails, return immediately.
3421 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3423 * config/arm/arm.md (return peepholes): Update to reflect the new
3425 * config/arm/arm.c (arm_volatile_func): Also check
3426 current_function_nothrow.
3427 (output_return_instruction, output_func_prologue): Use it.
3428 (arm_output_epilogue, arm_expand_prologue): Likewise.
3430 2000-03-27 Tom Tromey <tromey@cygnus.com>
3432 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3435 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3437 * expr.c (store_constructor): SIZE now signed.
3438 For EXPR_SIZE, don't evaluate size; just needed if constant.
3439 * fold-const.c (fold): Fix a number of cases when folded tree is
3441 * function.c (flush_addressof): Reenable.
3442 * tree.h (flush_addressof): Likewise.
3443 * toplev.c (independent_decode_option): Look at strings_processed.
3444 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3446 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3448 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3449 Allow stack adjustment after function call.
3451 * regmove.c (struct csa_memlist): Make mem field rtx *.
3452 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3453 (try_apply_stack_adjustment): Replace whole MEM rtx.
3454 (combine_stack_adjustments_for_block): Update calls
3455 to record_one_stack_ref.
3457 2000-03-28 Neil Booth <NeilB@earthling.net>
3459 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3460 '\\' rather than a null character, so nulls are not special. Fix
3461 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3462 speed trigraph conversion.
3463 (_cpp_init_input_buffer): Initialize trigraph map.
3465 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3467 * config/i386/i386.c (output_387_binary_op): Correct intel
3468 mode assembly output, and add spaces after commas in AT&T
3469 output. Correct Unixware assembler comment. Document input
3470 constraints. Comment fp operations. Reduce profligate buffer
3471 size. Remove extraneous abort. Localize temp var.
3472 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3473 (output_fix_trunc): Add spaces after commas in assembly output.
3475 2000-03-27 Richard Henderson <rth@cygnus.com>
3477 * i386-protos.h (ix86_match_ccmode): Declare.
3478 * i386.c (ix86_match_ccmode): New.
3479 (ix86_expand_fp_compare): Update for pattern renames.
3480 (ix86_expand_strlensi_unroll_1): Likewise.
3481 * i386.h (EXTRA_CC_MODES): Add CCZ.
3482 (SELECT_CC_MODE): Use it for EQ/NE zero.
3483 * i386.md (cmpsi_ccz_1): New.
3485 (*testsi_ccz_1): New.
3486 (testqi_ccz_1): New.
3487 (cmpsi_ccno_1): Rename from cmpsi_0.
3488 (testsi_ccno_1): Rename from testsi_1.
3489 (testqi_ccno_1): Rename from testqi_1.
3490 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3491 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3492 (*cmphi_0): Use ix86_match_ccmode.
3493 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3494 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3495 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3496 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3497 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3498 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3499 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3500 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3501 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3502 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3503 (appropriate peepholes): Likewise.
3504 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3505 (*subsi_3, *subhi_3, *subqi_3): Remove.
3506 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3507 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3508 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3509 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3510 (x86_shift_adj_1): Use CCZ.
3511 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3513 2000-03-27 Stan Cox <scox@cygnus.com>
3515 * resource.h (mark_resource_type): New.
3516 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3517 find_free_register): Use mark_resource_type.
3518 (mark_set_resources): Change include_delayed_effects
3519 to mark_resource_type.
3520 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3521 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3522 Use mark_resource_type.
3524 2000-03-27 Richard Henderson <rth@cygnus.com>
3526 * i386.md (call_pop_0, call_value_pop_0): New.
3527 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3528 (call_value_pop_1): Likewise.
3529 (call_0, call_value_0): New.
3530 (call_1, call_value_1): Remove constraint from unused arg.
3532 2000-03-27 Nick Clifton <nickc@cygnus.com>
3534 * invoke.texi (Spec Files): Document new spec % command created by
3535 Tom Tromey's recent patch.
3537 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3539 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3542 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3544 * expr.c (expand_assignment): Fix typo in last change.
3546 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3548 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3550 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3551 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3552 and DECL_INLINE if FUNCTION_DECL.
3553 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3554 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3555 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3556 (combine_parm_decls): Likewise.
3557 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3558 * print-tree.c (print_node): Likewise.
3559 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3560 DECL_TRANSPARENT_UNION on proper decl types.
3561 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3562 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3563 DECL_BIT_FIELD of FIELD_DECL.
3564 * tree.h (DECL_RESULT_FLD): New macro.
3566 * expr.c (expand_assignment): Add code to handle variable-sized
3569 2000-03-26 Richard Henderson <rth@cygnus.com>
3571 * calls.c (expand_call): Pass parms not original exp to
3572 optimize_tail_recursion. Mind return value instead of looking
3574 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3575 call_expr. Move checks for call_expr and current_function_decl ...
3576 (expand_return): ... here.
3578 2000-03-26 Tom Tromey <tromey@cygnus.com>
3580 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3581 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3583 (process_command): Use them.
3584 (check_live_switch): Likewise.
3585 (give_switch): Skip ignored switches.
3587 2000-03-26 Jan Hubicka <jh@suse.cz>
3589 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3590 for minimal jump pass test.
3592 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3594 * integrate.c (function_cannot_inline_p): Do inline functions that
3597 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3599 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3600 now a list of TREE_LIST entries, not types.
3601 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3603 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3604 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3606 * config/mips/mips.c (function_arg): Likewise; also remove cast
3607 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3608 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3609 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3610 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3611 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3612 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3613 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3614 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3615 num_adjusts now unsigned.
3616 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3617 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3619 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3620 as is BITPOS variable; use host_integerp and int_bit_position.
3621 (function_arg_record_value_2): Likewise.
3622 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3623 Variable REGNO now unsigned.
3624 (function_arg_record_value): NREGS now unsigned.
3626 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3628 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3630 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3632 * Rework fields used to describe positions of bitfields and
3633 modify sizes to be unsigned and use HOST_WIDE_INT.
3634 * alias.c (reg_known_value_size): Now unsigned.
3635 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3636 (really_start_incremental_init): Use bitsize_zero_node.
3637 (push_init_level, pop_init_level, output_init_element): Likewise.
3638 Use bitsize_unit_node and bitsize_one_node.
3639 (output_pending_init_elements, process_init_element): Likewise.
3640 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3641 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3642 HOST_WIDE_INT, respectively.
3643 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3644 (num_sign_bit_copies): Returns unsigned.
3645 BITWIDTH now unsigned; rework arithmetic.
3646 Remove recursive call from arg to MAX.
3647 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3648 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3650 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3651 (find_split_point, expand_compound_operation, make_extraction): LEN
3652 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3653 (make_field_assignment): Likewise.
3654 (combine_simplify_rtx): Add cast.
3655 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3656 (force_to_mode): WIDTH now unsigned; add cast.
3657 (if_then_else_cond): SIZE now unsigned.
3658 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3659 (extended_count): Now returns unsigned.
3660 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3661 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3662 (simplify_comparison): MODE_WIDTH now unsigned.
3663 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3664 (mark_used_regs_combine): Likewise; rework arithmetic.
3665 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3666 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3667 (record_promoted_value): REGNO now unsigned.
3668 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3669 (get_last_value): REGNO now unsigned.
3670 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3671 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3672 (remove_death): Arg REGNO now unsigned.
3673 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3674 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3676 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3677 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3678 (struct cse_reg_info): REGNO now unsigned.
3679 (cached_regno): Now unsigned.
3680 (REGNO_QTY_VALID_P): Add cast.
3681 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3682 (remove_invalid_regs): Likewise.
3683 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3684 as are variables END and I.
3685 (get_cse_reg_info, insert): Likewise.
3686 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3687 (canon_hash): Likewise.
3688 (insert_regs, lookup_for_remove): REGNO now unsigned.
3689 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3691 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3692 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3693 * emit-rtl.c (subreg_realpart_p): Add cast.
3694 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3695 (operand_subword_force): Arg I is now unsigned.
3696 * except.c (eh_regs): Variable I is now unsigned.
3697 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3698 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3699 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3700 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3701 (extract_split_bit_field, store_bit_field, extract_bit_field):
3703 * expr.c (store_constructor_fields, store_constructor, store_field):
3704 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3705 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3706 (do_jump): Likewise.
3707 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3708 MAX_SIZE is now unsigned.
3709 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3710 (emit_group_store): Likewise.
3711 (emit_move_insn): I now unsigned.
3712 (store_constructor): Use host_integerp, tree_low_cst, and
3714 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3715 Rework all calculations to use trees and new fields.
3716 * expr.h (promoted_input_arg): Regno now unsigned.
3717 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3718 (mark_seen_cases): Arg is HOST_WIDE_INT.
3719 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3720 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3721 precisions and alignments are unsigned.
3722 (optimize_bit_field_compare, fold_truthop): Likewise.
3723 (int_const_binop): Adjust threshold for size_int_type_wide call.
3724 (fold_convert): Likewise.
3725 (size_int_type_wide): Make table larger and fix thinko that only
3726 had half of table used.
3727 (all_ones_mask_p, fold): Precisions are unsigned.
3728 * function.c (put_reg_info_stack): REGNO is unsigned.
3729 (instantiate_decl): Size is HOST_WIDE_INT.
3730 (instantiate_virtual_regs): I is unsigned.
3731 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3732 (promoted_input_arg): REGNO is unsigned.
3733 * function.h (struct function): x_max_parm_reg is now unsigned.
3734 * gcse.c (max_gcse_regno): Now unsigned.
3735 (struct null_pointer_info): min_reg and max_reg now unsigned.
3736 (lookup_set, next_set): REGNO arg now unsigned.
3737 (compute_hash_table): REGNO and I now unsigned.
3738 (handle_avail_expr): regnum_for_replacing now unsigned.
3739 (cprop_insn): REGNO now unsigned.
3740 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3741 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3742 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3743 * hard-reg-set.h (reg_class_size): Now unsigned.
3744 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3745 * jump.c (mark_modified_reg): I now unsigned; add cast.
3746 (rtx_equal_for_thread_p): Add cast.
3747 * loop.c (max_reg_before_loop): Now unsigned.
3748 (struct_movable): REGNO now unsigned.
3749 (try_copy_prop): REGNO arg unsigned.
3750 (regs_match_p): XN and YN now unsigned.
3751 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3752 (strength_reduce): Likewise; NREGS also unsigned.
3753 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3754 * loop.h (struct iv_class): REGNO now unsigned.
3755 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3757 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3758 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3759 * optabs.c (expand_binop): I and NWORDS now unsigned.
3760 (expand_unop): I now unsigned.
3761 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3762 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3763 * real.c (significand_size): Now returns unsigned.
3764 * real.h (significand_size): Likewise.
3765 * regclass.c (reg_class_size): Now unsigned.
3766 (choose_hard_reg_mode): Both operands now unsigned.
3767 (record_reg_classes): REGNO and NR now unsigned.
3768 (reg_scan): NREGS now unsigned.
3769 (reg_scan_update): old_max_regno now unsigned.
3770 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3771 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3772 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3773 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3774 Likewise for variable R.
3775 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3776 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3777 (find_equiv_reg): Add casts.
3778 (regno_clobbered_p): Arg REGNO now unsigned.
3779 * reload.h (struct reload): NREGS now unsigned.
3780 (refers_to_regno_for_reload_p): Regno args are unsigned.
3781 (regno_clobbered_p): Likewise.
3782 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3783 (compute_use_by_pseudos): REGNO now unsigned.
3784 (find_reg): I and J now unsigned, new variable K, and change loop
3785 variables accordingly; THIS_NREGS now unsigned.
3786 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3787 (spill_hard_reg): REGNO arg now unsigned; add casts.
3788 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3789 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3790 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3791 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3792 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3793 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3794 (emit_reload_insns): REGNO now unsigned.
3795 (reload_cse_move2add): Add cast.
3796 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3798 * resource.c (mark_referenced_resources, mark_set_resources): New
3799 variable R; REGNO and LAST_REGNO now unsigned.
3800 (mark_target_live_regs): J and REGNO now unsigned.
3801 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3802 * rtl.h (union rtunion_def): New field rtuint.
3803 (XCUINT): New macro.
3804 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3805 (operand_subword, operand_subword_force): Word number is unsigned.
3806 (choose_hard_reg_mode): Operands are unsigned.
3807 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3808 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3809 (regno_use_in, combine_instructions, remove_death): Likewise.
3810 (reg_scan, reg_scan_update): Likewise.
3811 (extended_count): Return is unsigned.
3812 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3813 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3814 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3815 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3816 (reg_reg_last_1): FIRS and LAST now unsigned.
3817 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3818 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3820 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3821 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3822 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3823 (replace_regs): Arg NREGS now unsigned.
3824 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3825 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3826 (simplify_binary_operation): Likewise.
3827 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3828 THIS_LAST now unsigned.
3829 (cselib_record_set): Add cast.
3830 * ssa.c (ssa_max_reg_num): Now unsigned.
3831 (rename_block): REGNO now unsigned.
3832 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3834 (all_cases_count): Just return -1 not -2.
3835 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3836 Rework tests to use trees whenever possible.
3837 Use host_integerp and tree_low_cst.
3838 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3839 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3840 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3841 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3842 (smallest_mode_for_size): Likewise.
3843 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3844 KNOWN_ALIGN is now an alignment, so simplify code.
3845 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3846 (start_record_layout): Renamed from new_record_layout_info.
3847 Update to new fields.
3848 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3850 (place_union_field): Renamed from layout_union_field.
3851 Update to use new fields in rli.
3852 (place_field): Renamed from layout_field.
3853 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3854 (finalize_record_size): Rework to use new fields in rli and handle
3856 (compute_record_mode): Rework to simplify and to use new DECL fields.
3857 (finalize_type_size): Make rounding more consistent.
3858 (finish_union_layout): Deleted.
3859 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3860 (layout_type, case RECORD_TYPE): Call new function names.
3861 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3862 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3863 (get_best_mode): UNIT is now unsigned; remove casts.
3864 * tree.c (bit_position): Compute from new fields.
3865 (byte_position, int_byte_position): New functions.
3866 (print_type_hash_statistics): Cast to remove warning.
3867 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3868 (build_index_type): Likewise; make subtype of sizetype.
3869 (build_index_2_type): Pass sizetype to build_range_type.
3870 (build_common_tree_nodes): Use size_int and bitsize_int to
3871 initialize nodes; add bitsize_{zero,one,unit}_node.
3872 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3873 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3874 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3875 (DECL_FIELD_BITPOS): Deleted.
3876 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3877 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3878 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3879 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3880 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3881 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3882 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3883 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3884 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3885 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3886 (DECL_ALIGN): Adjust to new field in union.
3887 (DECL_OFFSET_ALIGN): New field.
3888 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3889 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3890 (union tree_decl): Add struct for both aligns.
3891 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3892 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3893 (struct record_layout_info): Rework fields to have offset
3894 alignment and byte and bit position.
3895 (start_record_layout, place_field): Renamed from old names.
3896 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3897 (byte_position, int_byte_position): Likewise.
3898 (get_inner_reference): Change types of position and length.
3899 * unroll.c (unroll_loop): New variable R; use for some loops.
3900 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3901 (calculate_giv_inc): Arg REGNO now unsigned.
3902 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3903 * varasm.c (assemble_variable): Clean up handling of size using
3904 host_integerp and tree_low_cst.
3905 (decode_addr_const): Use byte, not bit, position.
3906 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3907 use tree_low_cst and int_bit_position.
3908 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3910 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3912 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3913 (reorder_block_def): New members eff_head and eff_end.
3914 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3915 (verify_insn_chain): New function.
3916 (skip_insns_between_block): Add code to skip deleted insns.
3917 Check for note before using.
3918 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3919 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3920 Check for note before using.
3921 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3922 (fixup_reorder_chain): Restructure, clean up, defect removal.
3923 (reorder_basic_blocks): Remove last_insn and references to it.
3924 Moved insn chain verification code into a new function (see above).
3925 Delete defective code that sets last insn.
3926 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3929 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3931 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3933 2000-03-24 Richard Henderson <rth@cygnus.com>
3935 * tree.c (lang_safe_for_unsave): Remove.
3936 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3937 allowing for two levels of unsafeness. Remove lang hook.
3938 * tree.h: Update declarations.
3939 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3940 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3941 Always fail sibcalls when there are pending cleanups.
3943 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3945 * flow.c (propagate_block): When we delete an ADDR_VEC,
3946 also delete the BARRIER following it if there is one.
3948 2000-03-24 Richard Henderson <rth@cygnus.com>
3950 * builtins.c (expand_builtin_bzero): Convert `length' argument
3953 2000-03-24 Jakub Jelinek <jakub@redhat.com>
3955 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
3956 comparison if regno's are equal.
3957 * calls.c (initialize_argument_informat): Add ecf_flags argument.
3958 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3959 (expand_call): Update caller.
3960 Avoid making a sibling call if argument size of the callee is larger
3961 than argument size of the caller.
3962 Call hard_function_value with outgoing set if in sibcall pass.
3963 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3965 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
3966 Change LEAF_REGISTERS from an array initializer to actual array
3967 identifier. Move static global variable into the function.
3968 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
3969 sequences for leaf functions.
3970 * global.c (global_alloc): Likewise.
3971 * tm.texi (LEAF_REGISTERS): Update documentation.
3973 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
3974 TARGET_FLAT leaf disabling hack.
3975 (LEAF_REGISTERS): Changed from an array initializer to actual array
3976 identifier to avoid duplication and remove the above hack.
3977 (FUNCTION_OK_FOR_SIBCALL): Define.
3978 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
3979 always like call attribute.
3980 (eligible_for_sibcall_delay): New attribute.
3981 (sibcall): New delay type.
3982 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3983 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
3984 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
3985 * config/sparc/sparc.c (sparc_leaf_regs): New array.
3986 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
3988 (output_function_epilogue): Move part of the code into
3989 output_restore_regs.
3990 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
3992 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
3995 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
3996 until infrastructure is finished.
3998 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4000 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4001 (save_parm_insns): Not here.
4003 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4005 * builtins.c (expand_builtin_bzero): New function.
4006 (expand_builtin): Handle bzero.
4008 * builtins.def: Add BUILT_IN_BZERO.
4010 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4011 prototype & function for bzero.
4013 2000-03-23 Michael Meissner <meissner@redhat.com>
4015 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4016 change adding TARGET_FP to the TF floating point insns, except for
4017 trunctfsf2, which generates direct calls to truncdfsf2.
4019 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4021 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4022 try to protect against middle-end changes that break binary
4024 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4026 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4028 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4030 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4032 * calls.c (expand_call): If TARGET is passed by reference and
4033 is readonly, write a CLOBBER.
4035 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4037 * builtins.c (expand_builtin): Handle bcmp.
4039 * builtins.def: Add BUILT_IN_BCMP.
4041 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4042 prototype & function for bcmp.
4044 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4046 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4047 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4048 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4050 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4052 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4053 alternative when using -fp64 -gp32.
4055 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4057 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4058 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4059 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4061 * frame.h (frame_state): Revert last change.
4062 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4063 * libgcc2.c (throw_helper): Revert last change.
4065 2000-03-22 Richard Henderson <rth@cygnus.com>
4067 * stmt.c (expand_asm_operands): Don't promote the temporary.
4069 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4071 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4072 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4073 c_get_alias_set): Likewise.
4074 * c-decl.c (duplicate_decls): Likewise.
4075 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4076 * calls.c (initialize_argument_information): Likewise.
4077 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4079 * dwarfout.c (decl_class_context,output_type): Likewise.
4080 * expr.c (get_inner_reference): Likewise.
4081 * fold-const.c (simple_operand_p,fold): Likewise.
4082 * function.c (aggregate_value_p): Likewise.
4083 * stmt.c (expand_asm_operands): Likewise.
4084 * varasm.c (named_section): Likewise.
4086 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4088 Implement dwarf2 exception handling for the ARM.
4089 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4090 (DWARF_FRAME_RETURN_COLUMN): Define.
4091 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4092 REG_FRAME_RELATED_EXPR note.
4093 (emit_sfm): Likewise.
4094 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4095 * dwarf2out.c (reg_save): Handle saving a register to itself.
4096 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4097 * except.c (eh_regs): Don't use the static chain reg if it's
4099 * frame.h (frame_state): Add cfa_saved field.
4100 * frame.c (execute_cfa_insn): Set it.
4101 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4103 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4105 (instantiate_virtual_regs): Adjust.
4107 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4108 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4109 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4111 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4112 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4114 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4116 * builtins.def: New file.
4118 * Makefile.in (TREE_H): Depend on builtins.def.
4120 * builtins.c (built_in_names): Use builtins.def.
4122 * tree.h (built_in_function): Likewise.
4124 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4126 * tree.c (size_in_bytes): Return size_zero_node, not
4129 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4131 * config/fp-bit.c (pack_d): Correct the case when a denormal
4132 is rounded up and stops being denormal.
4134 2000-03-21 Richard Henderson <rth@cygnus.com>
4136 * config/alpha/alpha.c (function_arg): Check for void_type_node
4137 before using MUST_PASS_IN_STACK.
4139 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4141 * regmove.c (combine_stack_adjustments_for_block): Check that
4142 the stack pointer is a valid memory address.
4144 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4146 * calls.c: re-install Mar 16 emit_library_call merge.
4148 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4150 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4151 we cannot be sure that if reload_completed base register will
4152 be properly aligned.
4154 2000-03-21 Richard Henderson <rth@cygnus.com>
4156 * flow.c (delete_block): Fix typo last change.
4158 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4160 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4161 not COMPLETE_TYPE_P, to check the type of the expression.
4163 2000-03-21 Michael Meissner <meissner@redhat.com>
4165 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4166 all floating point insns that just tested the macro
4167 TARGET_HAS_XFLOATING_LIBS.
4168 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4169 used to only use the gprs.
4171 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4173 * tree.h (COMPLETE_TYPE_P): New macro.
4174 (COMPLETE_OR_VOID_TYPE_P): New macro.
4175 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4176 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4177 * c-aux-info.c (gen_type): Use them.
4178 * c-common.c (c_expand_expr_stmt): Likewise.
4179 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4180 grokdeclarator, grokparms, finish_struct, start_function,
4181 store_parm_decls, combine_parm_decls): Likewise.
4182 * c-parse.y (cast_expr): Likewise.
4183 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4184 c_size_in_bytes, c_alignof, build_component_ref,
4185 build_indirect_ref, build_array_ref, convert_arguments,
4186 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4187 * calls.c (initialize_argument_information): Likewise.
4188 * convert.c (convert_to_integer): Likewise.
4189 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4190 * dwarfout.c (location_or_const_value_attribute,
4191 output_enumeration_type_die, output_structure_type_die,
4192 output_union_type_die, output_type): Likewise.
4193 * expr.c (safe_from_p, expand_expr): Likewise.
4194 * function.c (assign_parms): Likewise.
4195 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4196 * tree.c (build_array_type, build_function_type,
4197 build_method_type, build_offset_type, build_complex_type): Likewise.
4198 * c-parse.c, c-parse.h: Regenerated.
4200 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4202 * config/c4x/rtems.h: Include config/rtems.h.
4204 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4206 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4207 decl is a FUNCTION_DECL
4209 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4211 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4212 function uses output registers. Don't save RP for leaf functions.
4213 Do save RP even if no epilogue.
4214 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4215 (CALL_USED_REGISTERS): Unmark in registers.
4216 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4219 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4221 * config/rs6000/rs6000.md (bunordered): New expander.
4222 (bordered): New expander.
4223 (buneq): New expander.
4224 (bunge): New expander.
4225 (bungt): New expander.
4226 (bunle): New expander.
4227 (bunlt): New expander.
4228 (bltgt): New expander.
4230 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4231 (ccr_bit_negated_p): New function.
4232 (print_operand): For %C, generate appropriate cror for UNEQ,
4233 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4235 2000-03-20 Andreas Jaeger <aj@suse.de>
4237 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4240 * tree.h (safe_for_unsave): Prototype.
4242 2000-03-20 Richard Henderson <rth@cygnus.com>
4244 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4245 (combine_stack_adjustments_for_block): Don't allow sp references
4246 in the side of a set we're not fixing up.
4247 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4248 after life_analysis.
4250 2000-03-20 Richard Henderson <rth@cygnus.com>
4252 * calls.c (expand_call): Don't bother generating tail call
4253 sequences if there are pending cleanups. Use
4254 expand_start_target_temps/expand_end_target_temps to elide
4255 cleanups created during sibcall expansion.
4257 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4259 * configure.in: Set $IFS to a value if it doesn't already have one
4260 in the --enable-checking handling.
4261 * configure: Regenerate.
4263 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4265 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4266 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4269 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4271 * jump.c (delete_noop_moves): Remove code attempting to
4272 combine stack adjustments.
4274 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4276 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4277 * except.c (emit_cleanup_handler): Use them.
4278 (expand_end_all_catch): Likewise.
4279 * function.c (fixup_var_refs): Likewise.
4280 (expand_function_end): Clear catch_clauses_last.
4281 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4282 * except.h (struct eh_status): New field x_catch_clauses_last.
4283 (catch_clauses_last): New define.
4285 * Makefile.in (tree.o): Depend on HASHTAB_H.
4286 * tree.c: Include hashtab.h.
4287 (struct type_hash): Remove next field.
4288 (TYPE_HASH_SIZE): Remove.
4289 (TYPE_HASH_INITIAL_SIZE): New define.
4290 (type_hash_table): Change type to htab_t.
4291 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4292 mark_hash_entry): New functions.
4293 (init_obstacks): Allocate type hash.
4294 (type_hash_lookup): Use htab functions.
4295 (type_hash_add, mark_type_hash): Likewise.
4296 (dump_tree_statistics): Call print_type_hash_statistics.
4298 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4300 * rs6000/t-aix41: New file.
4302 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4304 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4306 * tm.texi (Driver): Fix typos and tweak entry for
4308 Move misplaced STRUCT_FORCE_BLK entry ...
4309 (Storage Layout): ... to here.
4310 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4312 2000-03-19 Richard Henderson <rth@cygnus.com>
4314 * flow.c (delete_block): Delete the addr_vec along with the block.
4315 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4318 * fold-const.c (extract_muldiv): Apply type check for defined
4319 overflow to multiply as well as divide.
4321 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4323 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4325 * emit-rtl.c (remove_unncessary_notes): Check that all
4326 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4327 associated NOTE_BLOCK.
4328 * function.h (identify_blocks): Update comments.
4329 (reorder_blocks): Declare.
4330 * function.c (identify_blocks): Don't take paramters.
4331 (reorder_blocks): Don't take parameters.
4332 * loop.h (find_loop_tree_blocks): Remove.
4333 (unroll_block_trees): Likewise.
4334 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4335 reorder_blocks instead of unroll_block_trees.h
4336 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4337 * stmt.c (find_loop_tree_blocks): Remove.
4338 (unroll_block_trees): Likewise.
4339 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4340 in whole-function mode.
4341 * tree.h (reorder_blocks): Remove declaration.
4343 * expr.c: Include intl.h.
4344 * Makefile.in (expr.o): Depend on intl.h.
4346 2000-03-18 Richard Henderson <rth@cygnus.com>
4348 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4350 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4352 * tree.h (tree_index): Remove enumerals for integer types.
4353 (integer_type_kind): New type.
4354 (integer_types): New variable.
4355 (char_type_node): Adjust.
4356 (signed_char_type_node): Likewise.
4357 (unsigned_char_type_node): Likewise.
4358 (short_integer_type_node): Likewise.
4359 (short_unsigned_type_node): Likewise.
4360 (integer_type_node): Likewise.
4361 (unsigned_type_node): Likewise.
4362 (long_integer_type_node): Likewise.
4363 (long_unsigned_type_node): Likewise.
4364 (long_long_integer_type_node): Likewise.
4365 (long_long_unsigned_type_node): Likewise.
4366 * tree.c (integer_types): New variable.
4367 (init_obstacks): Register it as a root.
4369 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4371 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4372 NEXT_INSN. Update last insn in chain.
4374 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4376 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4377 with TYPE_DECL_SUPPRESS_DEBUG set.
4379 2000-03-18 Richard Henderson <rth@cygnus.com>
4381 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4383 2000-03-18 Richard Henderson <rth@cygnus.com>
4385 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4386 care for HALF_PIC_P.
4387 (expander_call_insn_operand): Remove.
4388 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4389 * i386.h (PREDICATE_CODES): Update.
4390 * i386.md (all call expanders): Remove predicates, remove special
4391 handling for half-pic.
4392 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4393 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4394 (sibcall_epilogue): New.
4396 2000-03-17 Richard Henderson <rth@cygnus.com>
4398 * rtlanal.c (single_set): Reject if the parallel has anything
4399 except SET or USE or CLOBBER.
4401 2000-03-17 Jeff Law <law@cygnus.com>
4402 Richard Henderson <rth@cygnus.com>
4404 * Makefile.in (OBJS): Add sibcall.o.
4406 * sibcall.c: New file.
4407 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4408 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4409 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4410 Emit sibcall patterns when requested. Update all callers.
4411 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4412 elimination seems feasable.
4413 * final.c (leaf_function_p): Sibling calls don't discount being
4415 * flow.c (HAVE_sibcall_epilogue): Provide default.
4416 (find_basic_blocks_1): Sibling calls don't throw.
4417 (make_edges): Make edge from sibling call to EXIT.
4418 (propagate_block): Don't remove sibcall_epilogue insns.
4419 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4420 (sibcall_epilogue): New.
4421 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4422 (identify_blocks_1): Likewise. Break out from ...
4423 (identify_blocks): ... here.
4424 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4425 (reorder_blocks): ... here.
4426 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4427 (record_insns): Extend a varray instead of mallocing new memory.
4428 (contains): Read a varray not array of ints.
4429 (sibcall_epilogue_contains): New.
4430 (thread_prologue_and_epilogue_insns): Emit and record
4431 sibcall_epilogue patterns.
4432 (init_function_once): Allocate prologue/epilogue varrays.
4433 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4434 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4436 (save_for_inline_nocopy): ... here.
4437 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4439 (expand_inline_function): ... here.
4440 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4441 (subst_constants): Handle 'n' formats.
4442 * jump.c (jump_optimize_minimal): New.
4443 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4444 optimizations if it's set.
4445 * rtl.c (copy_rtx): Do copy jump & call for insns.
4446 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4447 (SIBLING_CALL_P): New.
4448 (sibcall_use_t): New.
4449 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4450 Invoke optimize_sibling_and_tail_recursive_calls.
4451 * tree.c (lang_safe_for_unsave): New.
4452 (safe_for_unsave): New.
4453 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4455 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4456 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4457 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4459 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4461 * objc/objc-act.c (encode_method_prototype): Pass types, not
4462 PARM_DECLs, to int_size_in_bytes.
4464 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4466 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4468 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4469 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4471 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4473 * Clean up usages of TREE_INT_CST_LOW.
4474 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4475 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4477 * c-tree.h (min_precision): Move declaration to here.
4478 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4479 (build_unary_op, add_pending_init): Use bit_position.
4480 (pending_init_member, process_init_element): Likewise.
4481 (really_start_incremental_init, push_init_level, pop_init_level):
4482 Don't make copies of nodes or modify them in place, use consistent
4483 types when tracking positions, and use tree routines computations.
4484 (set_init_index, output_init_element): Likewise.
4485 (output_pending_init_elements, process_init_element): Likewise.
4486 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4487 tree_low_cst and int_bit_position; also minor cleanup.
4488 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4489 (print_cst_octal): Precision is unsigned.
4490 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4491 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4492 (simple_type_align_in_bits): Result is unsigned int.
4493 Use tree_int_low_cst and host_integerp.
4494 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4495 (field_byte_offset): Result is HOST_WIDE_INT.
4496 Change types of internal variables so alignments are unsigned int,
4497 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4498 Use host_integerp, tree_low_cst, and int_bit_position.
4499 (add_bit_offset_attribute): Likewise.
4500 (add_data_member_location_attribute): Use tree_cst_low.
4501 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4502 (add_bit_size_attribute): Use tree_low_cst.
4503 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4504 * dwarfout.c: Similar changes to dwarf2out.c.
4505 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4506 * genoutput.c (n_occurences): Return -1 for null string.
4507 (strip_whitespace): Accept null string and make into function.
4508 (scan_operands): Reflect above changes.
4509 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4510 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4511 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4512 * tree.c (int_size_in_bytes): Check for too big to represent.
4513 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4514 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4516 (min_precision): Delete from here.
4517 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4518 and int_bit_position.
4519 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4520 (encode_method_def): Likewise.
4521 (build_ivar_list_initializer): Use int_bit_position.
4522 (generate_shared_structures): Convert size.
4523 (encode_type, encode_complete_bitfield): Use integer_zerop.
4524 (encode_bitfield): Use tree_low_cst and int_bit_position.
4526 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4528 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4530 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4532 * call.c (special_function_p): It is only malloc if it returns
4535 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4537 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4538 (C33_FLAG, TARGET_C3X): Add macros.
4539 (TARGET_SWITCHES): Add -m33 option.
4540 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4542 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4544 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4545 (PARALLEL_PACK_FLAG): Delete.
4546 (TARGET_SWITCHES): Update.
4547 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4549 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4551 * fold-const.c (fold): Fix a few cases when the returned result
4552 is not of the same type as the input.
4554 2000-03-16 Nick Clifton <nickc@cygnus.com>
4556 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4559 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4561 * libgcc2.h: Move prototypes above macros with the same name.
4562 Wrap some function prototypes in the conditional which indicates
4563 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4565 2000-03-16 Richard Henderson <rth@cygnus.com>
4567 * calls.c: Revert last two changes.
4569 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4571 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4572 has exponent 0 is a zero.
4574 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4575 HASH may already be nonzero. Add code/mode into hash value
4576 immediately after repeat label.
4577 (cselib_lookup): Don't leave the hash table in an inconsistent
4578 state before a hash lookup operation.
4580 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4582 * i386.md (all HI and QI mode non-move patterns): Conditionize
4583 by TARGET_[HQ]IMODE_MATH.
4584 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4585 x86_promote_qi_regs): Declare.
4586 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4587 TARGET_PROMOTE_QI_REGS): New macros.
4588 (PROMOTE_MODE): New macro.
4589 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4590 x86_promote_qi_regs): New global variables.
4592 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4594 * calls.c (emit_library_call_value_1): Break out from ...; handle
4595 VOIDmode function calls too.
4596 (emit_library_call_value): ... here.
4597 (emit_library_call): Implement by calling emit_library_call_value_1.
4599 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4601 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4602 Update arg_space_so_far on stack adjustments.
4603 (emit_library_call, emit_library_call_value): Likewise; take into
4604 account arg_space_so_far and pending_stack_adjust when calculcating
4607 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4609 * flow.c: Move all basic block reordering code into its own file.
4610 (create_basic_block): Externalize.
4611 * bb-reorder.c: New file. Copy all basic block reordering code from
4612 flow.c to this file.
4613 (reorder_basic_blocks): Fix fencepost error in for-loop.
4614 (reorder_basic_blocks): Remove braces from single statement for-loops.
4615 * basic-block.h: Add declaration for create_basic_block.
4616 * Makefile.in: Add rules for bb-reorder.o.
4618 2000-03-16 Neil Booth <NeilB@earthling.net>
4620 * cppinit.c (handle_option): Implement #unassert directive
4621 as -A- command line option.
4622 (print_help): Update.
4623 * cpptexi.c: Update.
4625 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4627 * md.texi (Standard Names): Document `jump'.
4629 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4631 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4634 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4636 Merge changes from newppc-branch onto trunk.
4638 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4640 * rs6000.c (toc_hash_table): Update for new hash table functions.
4641 (toc_hash_function): Likewise.
4642 (toc_hash_eq): Likewise.
4643 (toc_hash_mark_entry): Likewise.
4644 (toc_hash_mark_table): Likewise.
4645 (output_toc): Likewise.
4646 (rs6000_add_gc_roots): Likewise.
4648 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4650 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4651 (AR_FLAGS_FOR_TARGET): here. New macro.
4653 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4655 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4656 fpmem_operand) Delete.
4658 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4659 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4660 (rs6000_save_machine_status, rs6000_restore_machine_status,
4661 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4662 references to above variables.
4663 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4664 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4665 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4666 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4667 (XER_REGNO_P, XER_REGNO): New.
4668 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4669 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4670 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4672 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4673 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4674 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4676 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4678 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4679 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4680 * rs6000.h: from here.
4682 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4683 (rs6000_select_rtx_section): Likewise.
4684 (rs6000_encode_section_info): Likewise.
4685 (sdata_section): Likewise.
4686 (sdata2_section): Likewise.
4687 (sbss_section): Likewise.
4688 * sysv4.h (rs6000_select_section): Delete prototype.
4689 (rs6000_select_rtx_section): Likewise.
4690 (rs6000_encode_section_info): Likewise.
4691 (sdata_section): Likewise.
4692 (sdata2_section): Likewise.
4693 (sbss_section): Likewise.
4694 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4696 * sysv4.h: Delete various unnecessary #undef's and put a comment
4697 on the remaining ones.
4698 Change various comments according to coding standard.
4700 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4702 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4703 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4704 (CR0_REGNO_P) Remove.
4705 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4706 setup_incoming_varargs, mtcrf_operation, print_operand,
4707 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4708 Use the above macros.
4710 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4712 * config/rs6000/rs6000.md: Added a new alternative for each
4713 pattern that had a 'x' alternative but no 'y' alternative.
4714 Added a new split for each of the above patterns.
4716 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4718 * aix41.h (ASM_CPU_SPEC): Delete.
4719 (CPP_CPU_SPEC): Delete.
4721 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4722 (ASM_OUTPUT_LABEL): Define.
4723 (ASM_GLOBALIZE_LABEL): Define.
4724 (STRIP_NAME_ENCODING): Define.
4725 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4726 (STRIP_NAME_ENCODING): Don't define.
4727 (ASM_OUTPUT_LABEL): Don't define.
4728 (ASM_GLOBALIZE_LABEL): Don't define.
4729 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4730 names, and ASM_OUTPUT_LABEL to output labels, rather than
4732 (ASM_OUTPUT_LABEL): Define.
4733 (ASM_OUTPUT_INT): Use assemble_name.
4734 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4735 (STRIP_NAME_ENCODING): Don't undefine first.
4736 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4738 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4739 specified with 'asm' even with -fleading-underscore.
4740 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4741 (output_epilog): Likewise.
4742 (output_toc): Likewise.
4743 * tramp.asm: Handle -fleading-underscore correctly.
4745 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4747 (nonlocal_goto_receiver): Delete.
4748 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4750 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4751 (SET_ASM_OP): Define.
4752 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4754 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4757 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4758 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4760 * rs6000.h: Add 'u' to more constants.
4762 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4764 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4766 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4768 * rs6000.c (reg_or_u_cint_operand): New function.
4769 (logical_operand): Handle 64-bit hosts.
4770 (logical_u_operand): New function.
4771 (non_logical_cint_operand): Handle 64-bit hosts.
4772 (non_logical_u_cint_operand): New function.
4773 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4774 (PREDICATE_CODES): Define new functions.
4775 * rs6000-protos.h: Declare new functions.
4776 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4777 (movdi_64): Bracket code intended for 64-bit hosts. Create
4778 CONST_DOUBLE for 32-bit values.
4779 (scc insns): Generate DImode compares.
4780 (mfcr insns): Create DImode versions.
4781 (sge matchers): New patterns.
4783 2000-02-15 Gabriel Paubert <paubert@iram.es>
4785 * rs6000.md: Correct instructions length attributes and
4786 constraints on unsigned compare instructions.
4787 (*ne0): Disable for PowerPC64.
4789 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4791 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4792 quantity, fix profile1.C test failure under -fPIC.
4794 * rs6000.c: Add 'u' to many constants to suppress warnings.
4795 (constant_pool_expr_1): Make static.
4796 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4797 * rs6000.h: Add 'u' to many constants to suppress warnings.
4799 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4800 for the start of the TOC, instead of LCTOC..0.
4801 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4803 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4804 (load_toc_aix_di): Use LCTOC..1.
4806 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4807 * rs6000.c (rs6000_legitimize_address): New function from
4808 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4809 symbols in the constant pool that really are TOC references.
4810 (print_operand_address): For ELF, write TOC offsets under
4811 -fPIC as subtractions in the insn.
4812 (output_toc): For ELF, define symbols in TOC as normal labels,
4814 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4815 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4816 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4817 * rs6000.md (movsi): Only use create_TOC_reference on
4818 symbols in the constant pool that really are TOC references.
4820 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4821 * rs6000.c (rs6000_reorg): Delete.
4822 * rs6000-protos.h (rs6000_reorg): Delete.
4824 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4826 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4828 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4829 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4830 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4831 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4832 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4833 rs6000_aix_emit_builtin_unwind_init.
4834 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4835 rs6000_emit_eh_toc_restore on AIX.
4836 (return_eh_si): Use r2.
4837 (return_eh_di): Use r2.
4839 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4840 since we're breaking binary compatibility anyway.
4842 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4844 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4845 constant_pool_expr_p): Declare them.
4846 (constant_pool_expr_p): Declare it.
4847 * config/rs6000/rs6000.c (toc_label_name): Define.
4848 (rs6000_override_options): Set toc_label_name.
4849 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4850 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4851 uses_TOC): New functions.
4852 (print_operand): Delete old '*' case.
4853 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4854 and strip off rtl for TOC before calling output_addr_const.
4855 (rs6000_emit_load_toc_table): Use toc_label_name.
4856 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4858 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4859 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4860 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4861 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4862 into explicit TOC_REGISTER offsets.
4863 (TOC_REGISTER): New macro.
4864 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4865 TARGET_TOC to reference TOC_REGISTER.
4866 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4867 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4868 uses_TOC before emitting label references.
4870 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4872 * rs6000.md (stack_tie): Fix warning.
4874 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4875 to handle -fleading-underscore.
4876 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4877 (USER_LABEL_PREFIX): New macro.
4878 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4879 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4880 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4881 call-linux can use the same multilibs.
4882 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4883 and call-linux multilibs. Do multilib with -fleading-underscore.
4884 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4885 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4888 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4889 have MASK_SOFT_FLOAT set.
4890 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4891 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4892 CPP_FLOAT_DEFAULT_SPEC.
4894 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4895 * rs6000.md: Whitespace change.
4896 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4897 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4899 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4901 * rs6000.md (eh_epilogue): New expander.
4902 (eh_reg_restore): New expand/split/insn combination.
4903 (return_eh_si): New insn.
4904 (return_eh_di): New insn.
4906 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4907 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4908 * eabi-ctors.c (__do_global_ctors): Register this object's
4909 frame. Clean up. Call atexit() after the constructors.
4910 (__do_global_dtors): Deregister this object's frame. Clean up.
4911 Allow for recursive calls to exit().
4912 * rs6000.c (fixuplabelno): New variable.
4913 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4914 TARGET_RELOCATABLE, it slows down exec() under linux.
4915 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4917 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4918 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4919 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4920 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4921 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4922 (ASM_OUTPUT_DWARF_ADDR): New macro.
4923 (ASM_OUTPUT_DWARF_DATA4): New macro.
4924 (ASM_OUTPUT_DWARF_DATA2): New macro.
4925 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4926 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4927 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4929 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4931 * rs6000.c (rs6000_sr_alias_set): New variable.
4932 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4933 (rs6000_emit_stack_tie): New function.
4934 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4935 in a way that dwarf2out can understand.
4936 (rs6000_frame_related): New function.
4937 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4938 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4939 Use rs6000_emit_stack_tie when needed.
4940 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4941 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4942 * rs6000.md (stack_tie): New insn.
4943 (return_internal_si): Allow return value to be in the count
4945 (return_internal_di): Likewise.
4947 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
4949 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4951 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
4953 2000-01-31 Geoff Keating <geoffk@cygnus.com>
4955 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
4957 * rs6000.md (stmw): Use the right POWER opcode.
4960 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4962 * rs6000-protos.h: New file.
4964 * rs6000.c: Include tm_p.h. Fix compile time warnings.
4966 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
4969 * sysv4.h: Likewise.
4971 2000-01-28 Geoff Keating <geoffk@cygnus.com>
4973 * ../../configure.in: Delete powerpcle-*-winnt*
4974 and powerpcle-*-pe|powerpcle-*-cygwin*.
4975 * ../../configure: Regenerated.
4977 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
4978 (TARGET_WINDOWS_NT): Delete.
4980 (CALL_NT_DLLIMPORT): Delete.
4981 Delete NT-specific code.
4982 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
4985 * nt-ci.asm: Delete.
4986 * nt-cn.asm: Delete.
4987 * ntstack.asm: Delete.
4989 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4991 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
4992 (ASM_FILE_START): Likewise.
4993 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4994 (ASM_OUTPUT_LABELREF): Likewise.
4995 (ASM_OUTPUT_SKIP): Likewise.
4996 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4997 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4998 (ASM_OUTPUT_CASE_LABEL): Likewise.
4999 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5000 (ASM_OUTPUT_ASCII): Likewise.
5002 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5004 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5005 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5006 increment rs6000_pic_labelno here.
5007 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5008 and increment rs6000_pic_labelno here.
5010 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5012 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5013 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5014 allocation knows (reg) is dead before the insn.
5016 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5018 * rs6000.md (movsi_to_cr): Correct typo in output template.
5020 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5022 * rs6000.c (rs6000_pic_labelno): Always define.
5023 (rs6000_pic_func_labelno): Delete.
5024 (lmw_operation): Check for a zero base register,
5025 which doesn't mean what we want.
5026 (stmw_operation): New function.
5027 (print_operand): Define new 'l' modifier.
5028 (rs6000_stack_info): We must save all 64 bits of the registers
5029 if TARGET_POWERPC64.
5030 (rs6000_output_load_toc_table): Delete.
5031 (rs6000_emit_load_toc_table): New function.
5032 (rs6000_allocate_stack_space): Delete.
5033 (rs6000_emit_allocate_stack): New function.
5034 (rs6000_emit_prologue): New function.
5035 (output_prolog): Use rs6000_emit_prologue.
5036 (rs6000_emit_epilogue): Change a few variable names to be
5037 more accurate. Restore all 64 bits of the registers if
5038 TARGET_POWERPC64. Only restore the FP registers which were used
5039 if they are being saved/restored one-at-a-time.
5040 (output_mi_thunk): Delete inefficient code generation.
5041 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5042 * rs6000.h: Declare rs6000_emit_load_toc_table,
5043 rs6000_allocate_stack_space, stmw_operation. Don't declare
5044 rs6000_output_load_toc_table.
5045 * rs6000.md (elf_high): Allow register 0, but discourage it
5047 (elf_low): Support loading into register 0.
5048 (load_toc_aix_si): New pattern.
5049 (load_toc_aix_di): New pattern.
5050 (load_toc_v4_pic_si): New pattern.
5051 (load_toc_v4_pic_di): New pattern.
5052 (load_toc_v4_PIC_1): New pattern.
5053 (load_toc_v4_PIC_1b): New pattern.
5054 (load_toc_v4_PIC_2): New pattern.
5055 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5056 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5057 (prologue): New expander.
5058 (movesi_from_cr): New pattern.
5059 (stmw): New pattern.
5060 (save_fpregs_si): New pattern.
5061 (save_fpregs_di): New pattern.
5063 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5065 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5070 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5072 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5074 (movsi_got_internal): Likewise.
5075 (movsi_got_internal+1): Likewise.
5076 (set_sp): 'unspec 7' does a SImode clobber.
5078 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5080 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5081 allocate a stack temporary.
5082 (floatsidf2_internal): Likewise.
5083 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5085 (floatunssidf2): Don't use the fpmem "register", just
5086 allocate a stack temporary.
5087 (floatunssidf2_internal): Likewise.
5088 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5090 (floatsidf2_loadaddr): Delete.
5091 (floatsidf2_store1): Delete.
5092 (floatsidf2_store2): Delete.
5093 (floatsidf2_load): Delete.
5094 (fix_truncdfsi2): Don't use the fpmem "register", just
5095 allocate a stack temporary.
5096 (fix_truncdfsi2_internal_si): Delete.
5097 (fix_truncdfsi2_internal_di): Delete.
5098 (fix_truncdfsi2_internal): New insn.
5099 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5100 (fix_truncdfsi2_store): Delete.
5101 (fix_truncdfsi2_load): Delete.
5102 (fctiwz): Produce gen_fctiwz.
5104 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5106 * eabi.h (INVOKE__main): Define.
5107 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5109 (rs6000_emit_prologue): Likewise.
5110 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5111 this is the main program.
5113 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5115 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5117 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5119 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5120 goes after the argument.
5122 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5124 * rs6000.md: Document 'unspec' values used.
5125 (epilogue): New expander.
5126 (movesi_to_cr_one): New expander.
5127 (movesi_to_cr and following): New pattern.
5129 (return_internal_si): New pattern.
5130 (return_internal_di): New pattern.
5131 (return_and_restore_fpregs_si): New pattern.
5132 (return_and_restore_fpregs_di): New pattern.
5133 * rs6000.h: Declare new functions.
5134 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5135 rather than rs6000_calls_p.
5136 (rs6000_makes_calls): Delete.
5137 (lmw_operation): New function.
5138 (mtcrf_operation): New function.
5139 (rs6000_emit_epilogue): New function.
5140 (output_epilog): Call rs6000_emit_epilogue and final if
5141 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5143 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5145 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5146 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5147 * aix.h (SUBTARGET_SWITCHES): Document switches.
5148 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5149 sched-prolog and sched-epilog the same. Document all the
5151 (TARGET_OPTIONS): No longer allow -mdebug-.
5153 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5155 * rs6000.h (ASM_FILE_END): Move to aix.h.
5156 (EXTRA_SECTIONS): Move to aix.h.
5157 (READONLY_DATA_SECTION): Move to aix.h.
5158 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5159 (SELECT_SECTION): Move to aix.h.
5160 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5161 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5162 (LINK_REGISTER_REGNUM): New definition.
5163 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5164 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5166 * sysv4.h: Delete the code between the inclusion of rs6000.h
5168 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5169 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5170 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5171 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5172 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5173 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5174 (fix_truncdfsi2_internal_di): New pattern.
5175 (fix_truncdfsi2_store): The second arg here is Pmode too.
5176 (fix_truncdfsi2_load): The second arg here is Pmode too.
5177 (tablejumpdi): Now that switch tables hold only SImode values,
5178 gcc needs to know how to add them to the pc which is DImode.
5179 * rs6000.c (rs6000_stack_info): Use symbolic name for
5180 LINK_REGISTER_REGNUM.
5181 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5182 (output_toc): Delete unused variables s1 and s2.
5183 (output_ascii): Use fputs not fprintf on a variable string.
5185 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5187 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5188 * aix43.h: Revert Aug 2 change.
5189 (HAS_INIT_SECTION): Define, not visible yet.
5190 (LD_INIT_SWITCH): Define, not visible yet.
5191 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5193 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5195 * config/rs6000/rtems.h: Include config/rtems.h.
5197 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5199 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5200 (SLOW_UNALIGNED_ACCESS): Define.
5201 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5202 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5203 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5204 (toc_section): Likewise and .toc pseudo-op.
5205 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5207 (TEXT_SECTION_ASM_OP): Likewise.
5208 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5211 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5213 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5214 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5217 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5219 * rs6000.h: Move more stuff from here...
5221 * sysv4.h: Cleanup accordingly.
5222 * netware.h: Likewise
5224 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5226 * rs6000.h: Continue cleanup.
5229 * netware.h: Likewise.
5231 * sysv4.h: Likewise.
5232 * win-nt.h: Likewise.
5234 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5235 (TARGET_OPTIONS): Likewise.
5237 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5238 (SUBTARGET_OPTIONS): Likewise.
5240 * rs6000.md: Fix compile time warnings.
5242 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5244 vxworks patches from the Cygnus tree originally by
5245 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5246 <vmakarov@cygnus.com>.
5247 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5248 (ENDFILE_SPEC): Likewise.
5249 (LIB_VXWORKS_SPEC): New macro.
5250 (STARTFILE_VXWORKS_SPEC): New macro.
5251 (ENDFILE_VXWORKS_SPEC): New macro.
5252 (LINK_START_VXWORKS_SPEC): New macro.
5253 (LINK_OS_VXWORKS_SPEC): New macro.
5254 (CPP_OS_VXWORKS_SPEC): New macro.
5255 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5256 * vxppc.h: Rewrite to use proper configuration method.
5257 * vxppcle.h: New file.
5258 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5259 * ../../configure: Rebuilt.
5261 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5263 Lots of changes to rs6000.h, sysv4.h, aix.h,
5264 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5265 with the aim that rs6000.h is the first header
5266 included and the others override it.
5269 * x-aix41-gld: Remove.
5271 * x-aix41: Remove target-specific switches, and don't specify
5272 -Wl,-bbigtoc as we don't need it any more.
5273 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5274 Use t-aix43 for AIX 4.3 and above.
5275 * ../../configure: Regenerated.
5277 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5278 options, that don't do anything yet.
5279 (MASK_SCHED_PROLOG): New macro.
5280 (MASK_SCHED_EPILOG): New macro.
5281 (TARGET_SCHED_PROLOG): New macro.
5282 (TARGET_SCHED_EPILOG): New macro.
5284 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5286 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5287 one per translation unit, not one per function.
5288 (output_toc): Also do duplicate constant elimination
5289 for per-translation-unit TOCs.
5291 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5292 a comment explaining _exactly_ when this pattern gets used.
5293 (builtin_setjmp_receiver): New pattern for better clarity.
5294 (init_v4_pic): Move it into a section dealing with TOC registers.
5296 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5298 * rs6000.c (toc_hash_table): New variable.
5299 (rs6000_hash_constant): New function.
5300 (toc_hash_function): New function.
5301 (toc_hash_eq): New function.
5302 (toc_hash_mark_entry): New function.
5303 (toc_hash_mark_table): New function.
5304 (output_toc): Don't output duplicate TOC entries in
5306 (rs6000_add_gc_roots): Add the hash table as a GC root.
5307 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5308 where they clearly shouldn't be. This may need to be fixed
5309 later when there is a GNU ar for AIX.
5310 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5311 Don't define BOOT_LDFLAGS as it is now not necessary.
5313 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5315 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5316 for va_list on AIX. Use unsigned_char_type_node rather than
5317 constructing our own version on svr4.
5319 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5321 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5322 since patently it's not.
5324 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5326 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5327 define_expand/define_insn pair, and handle restore of the
5328 SVR4 -fpic register.
5330 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5332 * acconfig.h (HAVE_GAS_WEAK): New define.
5333 * configure.in (assembler weak support): Check for .weak support.
5334 * config.in, configure: Rebuilt.
5335 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5336 HAVE_GAS_WEAK is defined.
5338 2000-03-15 Nick Clifton <nickc@cygnus.com>
5340 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5343 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5345 * cppfiles.c (open_include_file): New function.
5346 (find_include_file, cpp_read_file): Use it.
5348 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5350 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5352 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5354 * flow.c (verify_flow_info): Check for unconditional return.
5356 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5358 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5359 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5360 (__ia64_restore_stack_nonlocal): New.
5361 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5363 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5365 * cpphash.c (collect_formal_parameters): Do not complain about
5366 parameter names that just start with `__VA_ARGS__'.
5368 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5370 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5371 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5372 * i386.c (pentiumpro_cost): Set mul cost to 4.
5373 (x86_use_movx): Set for PPro.
5375 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5377 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5378 STACK_BOUNDARY for empty frames now.
5380 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5382 * stor-layout.c (layout_union): Remove.
5383 (layout_union_field): New function, split out from layout_union.
5384 (finish_union_layout): Likewise.
5385 (layout_field): Handle unions by calling layout_union_field.
5386 (finish_record_layout): Handle unions.
5387 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5388 QUAL_UNION_TYPE handling.
5390 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5392 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5393 end of basic block is jump_insn, not barrier; use create_basic_block
5394 instead of creating basic block by hand.
5396 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5398 * flow.c (reorder_basic_blocks): Account for barriers when writing
5399 over NEXT_INSN (last_bb->end).
5400 (verify_flow_info): Add check for missing barriers.
5402 2000-03-14 Greg McGary <gkm@gnu.org>
5404 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5405 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5406 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5407 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5408 __unbounded, __unbounded__): New keywords.
5409 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5410 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5411 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5413 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5415 * cselib.h: New file.
5416 * alias.c: Include "cselib.h".
5417 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5418 MEMs as two new arguments.
5419 (get_addr): New static function.
5420 (find_base_term): Handle VALUEs.
5421 (memrefs_conflict_p): Likewise.
5422 (true_dependence): Call get_addr on the addresses.
5423 Call fixed_scalar_and_varying_struct_p with addresses that have been
5424 passed through get_addr and canon_rtx.
5425 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5426 with true_dependence.
5427 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5428 * loop.c: Include "cselib.h".
5429 (load_mems): Process extended basic block that enters the loop with
5430 cselib. Use that information to change initialization of the shadow
5431 register so that a constant equivalence is seen by later passes.
5432 * reload1.c: Include "cselib.h".
5433 (reload_cse_invalidate_regno): Delete function.
5434 (reload_cse_mem_conflict_p): Likewise.
5435 (reload_cse_invalidate_mem): Likewise.
5436 (reload_cse_invalidate_rtx): Likewise.
5437 (reload_cse_regno_equal_p): Likewise.
5438 (reload_cse_check_clobber): Likewise.
5439 (reload_cse_record_set): Likewise.
5440 (reg_values): Delete static variable.
5441 (invalidate_regno_rtx): Likewise.
5442 (reload_cse_delete_noop_set): New static function.
5443 (reload_cse_simplify): New static function, broken out of
5445 (reload_cse_noop_set_p): Delete unused argument INSN.
5446 Just call rtx_equal_for_cselib_p on set source and destination.
5447 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5448 reload_cse_delete_noop_set. Delete code to keep track of values; use
5449 cselib functions instead. Delete code to push/pop obstacks.
5450 (reload_cse_simplify_set): Use cselib to find equivalent values.
5451 Delete code to push/pop obstacks.
5452 (reload_cse_simplify_operands): Likewise.
5453 * rtl.def (VALUE): New rtx code.
5454 * rtl.h (union rtunion_def): New elt rt_cselib.
5455 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5456 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5457 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5458 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5459 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5460 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5461 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5462 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5463 cselib_record_set, cselib_record_sets): New static functions.
5464 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5465 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5466 references_value_p): New functions.
5467 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5468 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5469 n_useless_values, reg_values, callmem, cselib_obstack,
5470 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5471 New static variables.
5472 * varray.h (union varray_data_tag): New elt te.
5473 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5474 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5477 2000-03-14 Nick Clifton <nickc@cygnus.com>
5479 * gcc.c (do_spec_1): Catch the case where %* is used in a
5480 substitution pattern, but it has not been initialised.
5481 Issue a meaningful error message if an unrecognised operator
5482 is encountered in a spec string.
5484 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5486 * function.c (prepare_function_start): Correctly initialize
5487 cfun->stack_alignment_needed.
5489 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5491 * cppfiles.c (find_include_file): Don't assume nshort is a
5494 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5496 * configure.in (hppa configurations): Add pa32-regs.h to the
5497 list of tm files as appropriate.
5498 * configure: Rebuilt.
5499 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5501 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5502 (fmpyaddoperands, fmpysuboperands): Likewise.
5503 * pa.h: Remove various definitions which depend on knowing
5504 how registers are numbered.
5505 * pa32-regs.h: New file with PA32 register numbering specific
5508 2000-03-14 Richard Henderson <rth@cygnus.com>
5510 * regmove.c (combine_stack_adjustments): New.
5511 (stack_memref_p, single_set_for_csa): New.
5512 (free_csa_memlist, record_one_stack_memref): New.
5513 (try_apply_stack_adjustment): New.
5514 (combine_stack_adjustments_for_block): New.
5515 * rtl.h (combine_stack_adjustments): Declare.
5516 * toplev.c (rest_of_compilation): Call it.
5518 * i386.md: Revert 2000-01-16 change.
5520 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5522 * gccbug.in: Add web category, gcc specific classes.
5524 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5526 * stor-layout.c (finalize_record_size): Fix typo.
5528 2000-03-14 Stan Shebs <shebs@apple.com>
5530 * c-typeck.c (c_alignof): Error on incomplete types.
5531 * extend.texi (Alignment): Document this.
5533 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5535 * cppfiles.c: Include mkdeps.h.
5536 (find_include_file, read_include_file): Remove _cpp_ prefix
5537 from name, make static.
5538 (_cpp_execute_include): New function, broken out of
5541 * cpplib.c: Don't include mkdeps.h.
5542 (struct directive): Remove type field. Reorder entries. The
5543 function takes only one argument.
5544 (struct if_stack): Make type field an int.
5545 (directive_table): Rename to dtable. Generate it, the
5546 prototypes of the directive handlers, and the enum for the
5547 directive numbers, from a template macro.
5548 (do_ifndef, do_include_next, do_import): New functions.
5549 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5550 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5551 do_ident, do_assert, do_unassert, do_sccs): Take only one
5553 (do_sccs): Define always, but alter behavior based on
5555 (_cpp_handle_directive, consider_directive_while_skipping):
5556 Restructure for new directive table layout.
5558 (pass_thru_directive): Take a directive number, not a pointer
5559 to a struct directive.
5560 (parse_include): New function, broken out of do_include.
5561 (do_include, do_import, do_include_next): Use parse_include
5562 and _cpp_execute_include.
5563 (do_elif, do_else): Test for T_ELSE specifically when checking
5564 for #elif/#else after #else.
5565 (parse_ifdef): New function, broken out of do_ifdef.
5566 (validate_else): Expect a name arg without a leading #.
5567 (if_directive_name): Delete.
5568 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5569 directive handlers with only one argument.
5571 * cpphash.h: Update prototypes.
5572 (enum node_type): Remove entries for directives.
5573 * Makefile.in: Update dependencies.
5575 * cpphash.c (dump_hash_helper): Only dump nodes of type
5576 T_MACRO. Emit a newline after each definition.
5578 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5580 * gccbug.in: New file.
5581 * configure.in (all_outputs): Add gccbug.
5582 * Makefile.in (install-common): Install gccbug.
5583 (GCCBUG_INSTALL_NAME): New variable.
5584 * configure: Rebuilt.
5586 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5588 * function.c (put_var_into_stack): Use type_for_mode to calculate
5589 part_type. Use MEM_SET_IN_STRUCT_P.
5590 * expr.c (store_field): Handle CONCAT.
5591 (store_constructor): Use fields_length.
5592 * tree.c (fields_length): New fn.
5593 * tree.h: Declare it.
5595 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5597 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5598 (cpplex.o): New target.
5599 * po/POTFILES.in: Add cpplex.c.
5601 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5602 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5603 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5604 skip_block_comment, skip_line_comment, skip_comment,
5605 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5606 _cpp_parse_name, skip_string, parse_string,
5607 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5608 _cpp_get_directive_token, find_position,
5609 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5610 (maybe_macroexpand, _cpp_lex_token): New functions.
5612 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5613 parse_goto_mark): Delete.
5614 (_cpp_handle_eof): New function.
5615 (_cpp_handle_directive): Rename from handle_directive.
5616 (_cpp_output_line_command): Rename from output_line_command.
5617 (do_if, do_elif): Call _cpp_parse_expr directly.
5618 * cppfiles.c (_cpp_read_include_file): Don't call
5619 init_input_buffer here.
5620 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5621 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5622 here; pop the token_buffer and skip the rest of the line here.
5623 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5626 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5628 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5629 CPP_GOTO_MARK): New macros.
5630 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5631 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5632 _cpp_read_and_prescan, _cpp_init_input_buffer,
5633 _cpp_grow_token_buffer, _cpp_get_directive_token,
5634 _cpp_handle_directive, _cpp_handle_eof,
5635 _cpp_output_line_command): Prototype them here.
5636 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5637 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5638 quote_string, output_line_command): Remove.
5640 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5642 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5643 whether it is too large we must also verify that it isn't negative.
5645 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5647 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5648 (movsi_zero_liveg0): Remove.
5649 (movsf_insn_novis_liveg0): Remove.
5651 (negsi2_not_liveg0): Rename to negsi2.
5652 (one_cmplsi2): Remove.
5653 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5654 (one_cmplsi2_liveg0): Remove.
5655 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5656 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5657 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5658 (PREDICATE_CODES): Remove zero_operand.
5659 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5660 TARGET_BROKEN_SAVERESTORE.
5661 (zero_operand): Remove.
5662 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5663 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5665 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5666 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5667 TARGET_BROKEN_SAVERESTORE): Remove.
5668 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5670 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5672 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5675 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5677 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5679 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5680 truncating a string. Don't assume tokens are nul terminated.
5681 Problem noted by Andreas Jaeger <aj@suse.de>
5683 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5685 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5686 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5687 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5689 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5691 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5692 STRUCTURE_SIZE_BOUNDARY.
5694 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5696 * tree.h (record_layout_info_s): New structure.
5697 (record_layout_info): New type.
5698 (new_record_layout_info): New function.
5699 (layout_field): Likewise.
5700 (finish_record_layout): Likewise.
5701 * stor-layout.c (layout_record): Remove.
5702 (new_record_layout_info): New function.
5703 (layout_field): New function, broken out from layout_record.
5704 (finalize_record_size): Likewise.
5705 (compute_record_mode): Likewise.
5706 (finalize_type_size): New function, broken out from layout_type.
5707 (finish_record_layout): Likewise.
5708 (layout_type): Use them.
5710 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5712 * cpphash.c: Don't include version.h.
5713 (special_symbol) [case T_VERSION]: Look for the string in
5714 hp->value.cpval; don't use version_string.
5715 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5716 __VERSION__ to version_string.
5717 * Makefile.in (cpphash.o): Update deps.
5719 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5721 Convert cpplib to use libiberty/hashtab.c.
5723 * cpplib.h (struct cpp_reader): Make hashtab and
5724 all_include_files of type 'struct htab *'. Delete HASHSIZE
5725 and ALL_INCLUDE_HASHSIZE macros.
5727 * cpphash.h: Update prototypes.
5728 (struct hashnode): Remove next, prev, and bucket_hdr members.
5729 Make length a size_t. Add hash member.
5730 (struct ihash): Remove next member. Add hash member. Make
5731 name a flexible array member.
5733 * cppfiles.c: Include hashtab.h.
5734 (include_hash): Delete.
5735 (IHASHSIZE): New macro.
5736 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5737 (cpp_included): Do the hash lookup here.
5738 (_cpp_find_include_file): Rewrite.
5739 (cpp_read_file): Put the "fake" hash entry into the hash
5740 table. Honor the control_macro, if it turns out we've seen
5741 the file before. Don't push the buffer here.
5742 (_cpp_read_include_file): Push the buffer here.
5743 (OMODES): New macro. Use it whenever we call open(2).
5745 * cpphash.c: Include hashtab.h.
5746 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5747 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5748 _cpp_lookup_slot): New functions.
5749 (HASHSIZE): new macro.
5750 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5751 (_cpp_lookup): Use hashtab.h routines.
5753 * cppinit.c: Include hashtab.h.
5754 (cpp_reader_init): Call _cpp_init_macro_hash and
5755 _cpp_init_include_hash. Don't allocate hashtab directly.
5756 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5757 pfile->all_include_files.
5758 (initialize_builtins): Use _cpp_make_hashnode and
5759 htab_find_slot to add hash entries.
5760 (cpp_finish): Just call _cpp_dump_macro_hash.
5761 * cpplib.c: Include hashtab.h.
5762 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5763 create hash entries.
5764 (do_pragma_poison, do_assert): Likewise.
5765 (do_include): Don't push the buffer here. Don't increment
5766 system_include_depth unless _cpp_read_include_file succeeds.
5767 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5769 (do_pragma_implementation): Use alloca to create copy.
5771 * Makefile.in: Update dependencies.
5773 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5775 * cppinit.c (cl_directive_handler): More K&R fixing.
5777 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5779 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5781 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5783 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5785 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5786 Change from char[] to macros.
5788 2000-03-12 Neil Booth <NeilB@earthling.net>
5790 * cppinit.c (cpp_start_read): Update indirect function
5793 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5795 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5798 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5799 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5801 2000-03-11 Neil Booth <NeilB@earthling.net>
5803 * cppinit.c (struct pending option): Replace undef with a
5804 pointer to a directive handling routine.
5805 (struct cpp_pending): Replace separate assert_ and define_
5806 lists with one directive_ list.
5807 (new_pending_define): Rename new_pending_directive. Extra
5808 argument is the directive's handling routine.
5809 (handle_option): Update to use new_pending_directive.
5811 2000-03-11 Neil Booth <NeilB@earthling.net>
5813 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5814 remap_filename, _cpp_read_include_file, actual_directory,
5815 hack_vms_include_specification): Replace bcopy(), index() etc
5816 calls. Add casts to some allocations. Make some variables
5817 pointers to const [unsigned] char.
5818 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5819 collect_formal_parameters): Similarly.
5820 * cppinit.c (struct pending_option, append_include_chain,
5821 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5822 cpp_start_read, new_pending_define, handle_option): Similarly.
5823 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5824 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5825 do_pragma_implementation, detect_if_not_defined,
5826 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5827 do_assert, do_unassert): Similarly.
5828 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5829 function prototypes.
5830 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5832 2000-03-10 Richard Henderson <rth@cygnus.com>
5834 * builtins.c (expand_builtin_strlen): Revert last change.
5835 Use emit_insn_before if we're at the beginning of a sequence.
5837 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5839 * builtins.c (expand_builtin_strlen): Make sure that we have something
5840 at the beginning of the sequence.
5842 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5845 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5847 2000-03-10 Richard Henderson <rth@cygnus.com>
5849 * except.c (can_throw): Use INTVAL on a CONST_INT.
5850 (reachable_handlers): Likewise.
5851 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5853 2000-03-10 Andreas Jaeger <aj@suse.de>
5855 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5856 MD_STARTFILE_PREFIX since those are not needed on linux.
5857 (ASM_FILE_START): New, from mips/gnu.h.
5859 2000-03-09 Richard Henderson <rth@cygnus.com>
5860 Alex Samuel <samuel@codesourcery.com> and others
5862 * Makefile.in (ssa.o): New rule.
5864 (STAGESTUFF): Add *.ssa and *.ussa.
5865 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5866 * rtl.def (PHI): New RTL expression.
5867 * rtl.h (clear_log_links): New declaration.
5868 (convert_to_ssa): Likewise.
5869 (convert_from_ssa): Likewise.
5870 * flow.c (split_edge): If the entry node falls through to the
5871 split edge's source block, split the entry edge.
5872 (clear_log_links): New function.
5873 * toplev.c (ssa_dump): New variable.
5874 (flag_ssa): Likewise.
5875 (f_options): Add "ssa".
5876 (compile_file): Create SSA dump files.
5877 (rest_of_compilation): Go to and from SSA if enabled.
5878 (decide_d_option): Handle -de for SSA dump files.
5881 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5883 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5886 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5888 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5890 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5892 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5893 (MD_STARTFILE_PREFIX_1): New macro.
5895 2000-03-09 Robert Lipe <robertl@sco.com>
5897 * config/ia64/ia64.c: Include system.h.
5899 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5901 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5902 (init_eh_nesting_info): Likewise.
5904 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5905 (TREE_NOTHROW): Rename from TREE_RAISES.
5906 * toplev.c (rest_of_compilation): Set it.
5907 * print-tree.c (print_node): Adjust.
5908 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5909 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5910 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5911 REG_EH_REGION note as appropriate.
5912 (libfunc_nothrow): New fn.
5913 (emit_library_call, emit_library_call_value): Use it.
5914 (expand_call): Check TREE_NOTHROW.
5916 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5917 DECL_ASSEMBLER_NAME.
5919 2000-03-09 Andreas Jaeger <aj@suse.de>
5921 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5922 (TARGET_MEM_FUNCTIONS): Define.
5924 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5926 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5928 * except.c (can_throw): See through a SEQUENCE.
5929 (nothrow_function_p): New fn.
5930 * except.h: Declare it.
5931 * function.c (current_function_nothrow): New var.
5932 (prepare_function_start): Initialize it.
5933 * output.h: Declare it.
5934 * toplev.c (rest_of_compilation): Set it.
5935 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5937 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5939 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5940 match. (cpp_compare_defs): Count the nul separator when
5941 advancing over argument names.
5943 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5945 * recog.c (preprocess_constraints): Matching constraints affect
5946 same alternative/different operand, not same operand/different
5949 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
5950 register and a constant specially.
5952 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5954 * libgcc2.h: New file.
5955 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
5957 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
5959 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
5960 * configure: Regenerate.
5963 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5965 * Makefile.in (LIBCPP_DEPS): New macro.
5966 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
5968 * cpperror.c: Include cpphash.h.
5969 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
5971 (lex): Don't use CPP_WARN_UNDEF.
5972 (_cpp_parse_expr): Return an int, the truth value.
5973 * cppfiles.c: Include cpphash.h.
5974 (_cpp_merge_include_chains): Move to cppinit.c and make static.
5975 * cppinit.c (include_defaults_array): Disentangle.
5976 (cpp_cleanup): Don't free the if stack here.
5977 (cpp_finish): Pop off all buffers, not just one.
5978 * cpplib.c (eval_if_expr): Return int.
5979 (do_xifdef): Rename do_ifdef.
5980 (handle_directive): Don't use CPP_PREPROCESSED.
5981 (cpp_get_token): Don't use CPP_C89.
5982 * fix-header.c: Don't use CPP_OPTIONS.
5984 * cpplib.h: Move U_CHAR, enum node_type, struct
5985 file_name_list, struct ihash, is_idchar, is_idstart,
5986 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
5987 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
5988 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
5989 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
5990 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
5991 of _cpp_simplify_pathname, _cpp_find_include_file,
5992 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
5993 Move struct if_stack to cpplib.c. Move struct cpp_pending to
5995 Change all uses of U_CHAR to be unsigned char instead.
5996 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
5998 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6000 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6001 (dwarf2out_begin_prologue): Set it.
6002 (output_call_frame_info): Don't emit EH unwind info for leaves.
6004 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6005 can occur outside of an EH region.
6006 * except.c: Correct comments about rethrow behavior.
6007 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6009 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6011 * flow.c (make_edges): Always call make_eh_edge for calls.
6013 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6015 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6016 (struct cpp_buffer): Remove fname and underflow fields.
6017 (struct cpp_reader): Remove get_token field.
6018 (struct include_hash): Rename to struct ihash. Add typedef to
6020 (struct if_stack): Remove fname field.
6021 (IF_STACK_FRAME): Rename to IF_STACK.
6023 * cpperror.c (print_containing_files): Trust that there are no
6024 macro buffers below the top file buffer.
6025 * cppfiles.c: Replace all references to 'struct include_hash'
6026 with 'IHASH'. Rename initialize_input_buffer to
6027 init_input_buffer. Don't set or reference cpp_buffer->fname,
6028 use buffer->ihash->name instead.
6029 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6030 not CPP_NULL_BUFFER.
6031 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6032 IF_STACK_FRAME, IHASH not struct include_hash.
6033 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6034 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6035 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6036 references to cpp_buffer->fname (delete entirely, or use
6037 ->ihash->name instead) and IF_STACK->fname.
6038 (cpp_push_buffer): Don't set new->underflow.
6039 (do_include): Use cpp_file_buffer.
6041 * cpphash.c (collect_formal_parameters): Remove duplicate
6042 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6043 used as a macro argument name. Don't append "..." to namebuf
6044 for varargs macros. After we're done scanning, go through
6045 namebuf and make it NUL separated, not comma separated.
6046 (_cpp_compare_defs): Remove register tag from variables.
6047 Expect defn->argnames to be NUL separated.
6048 (_cpp_dump_definition): Expect defn->argnames to be NUL
6049 separated and in forward order.
6050 * cpphash.h: Update documentation of argnames field.
6052 2000-03-08 Richard Henderson <rth@cygnus.com>
6054 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6055 to fail. Don't pre-expand the source operand.
6057 * i386.md (strlensi): Initialize eoschar and align before use.
6059 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6061 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6062 CONSTRUCTOR element.
6064 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6066 * mips.c (mips_expand_prologue): If the last
6067 named argument is the vararg marker "va_list", treat it as
6068 an unnamed argument.
6070 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6072 * dbxout.c (dbxout_parms): When correcting for promoted
6073 big-endian parameters, use the mode of the DECL_RTL rather
6074 than UNITS_PER_WORD.
6076 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6078 * c-common.h (make_fname_decl): Declare.
6079 * c-common.c (make_fname_decl): Define.
6080 (declare_hidden_char_array): Remove.
6081 (declare_function_name): Use make_fname_decl.
6082 * c-decl.c (c_make_fname_decl): New function.
6083 (init_decl_processing): Set make_fname_decl.
6085 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6087 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6089 2000-03-07 Philipp Thomas <pthomas@suse.de>
6091 * po/POTFILES.in: Remove cppalloc.c from file list.
6093 2000-03-07 Steve Chamberlain <sac@pobox.com>
6095 * pj.c (pj_expand_prologue): current_function->args_info is
6096 now current_function_args_info.
6098 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6099 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6100 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6102 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6104 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6105 output as hexadecimal rather than the default octal.
6107 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6109 * cpphash.c (special_symbol): Fix thinko in previous commit.
6111 2000-03-07 Neil Booth <NeilB@earthling.net>
6113 * cppexp.c (struct operation, left_shift, right_shift,
6114 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6115 "int"s to "unsigned int"s.
6116 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6118 * cpplib.h: Update for above.
6119 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6120 returned from allocations.
6122 * cppinit.c (opt_comp, parse_options): New functions.
6123 (handle_option): Use parse_option to parse a single command
6124 line option, that possibly takes an argument.
6125 (cpp_handle_options): Sort the array of command line options on
6126 first invocation (non-ASCII hosts only).
6127 (print_help): Update.
6129 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6131 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6132 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6134 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6136 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6138 * cpperror.c (cpp_print_containing_files,
6139 cpp_print_file_and_line, v_cpp_message): Rename to
6140 print_containing_files, print_file_and_line, and v_message.
6141 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6142 to _cpp_parse_expr, parse_escape, and lex.
6143 (parse_charconst): Remove broken multibyte support.
6144 * cppfiles.c (include_hash): Make static.
6145 (cpp_included): New function.
6146 (merge_include_chains, find_include_file, finclude,
6147 simplify_pathname): Rename to _cpp_merge_include_chains,
6148 _cpp_find_include_file, _cpp_read_include_file, and
6149 _cpp_simplify_pathname.
6150 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6151 cpp_install, create_definition, macroexpand, compare_defs,
6152 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6153 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6154 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6155 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6157 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6159 * cpphash.h: Update prototypes.
6160 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6162 2000-03-07 Andrew Haley <aph@cygnus.com>
6164 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6165 PTRDIFF_TYPE should be based solely on Pmode.
6168 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6170 * rtl.h (rtunion_def): Constify member `rtstr'.
6171 (emit_line_note_after, emit_line_note, emit_line_note_force,
6172 emit_note, decode_asm_operands): Constify.
6174 * cse.c (canon_hash): Likewise.
6176 * dbxout.c (dbxout_block): Likewise.
6178 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6179 v_warning_for_asm): Likewise.
6181 * dwarfout.c (function_start_label): Likewise.
6183 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6184 emit_line_note_force): Likewise.
6186 * final.c (last_filename, asm_insn_count, final_scan_insn,
6187 output_source_line): Likewise.
6189 * function.h (struct emit_status): Likewise.
6191 * gcse.c (hash_expr_1): Likewise.
6193 * genattr.c (gen_attr, main): Likewise.
6195 * genattrtab.c (struct function_unit, current_alternative_string,
6196 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6197 attr_numeral, check_attr_test, check_attr_value,
6198 convert_set_attr_alternative, convert_set_attr,
6199 compute_alternative_mask, simplify_by_exploding, gen_attr,
6200 gen_unit): Likewise.
6202 * genflags.c (gen_insn): Likewise.
6204 * gengenrtl.c (type_from_format): Likewise.
6206 * genopinit.c (gen_insn): Likewise.
6208 * genoutput.c (n_occurrences, process_template, process_template):
6211 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6214 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6217 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6218 ggc_set_mark, ggc_get_size): Likewise.
6220 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6222 * optabs.c (init_one_libfunc): Likewise.
6224 * output.h (assemble_start_function): Likewise.
6226 * recog.c (decode_asm_operands): Likewise.
6228 * toplev.c (rest_of_compilation): Likewise.
6230 * tree.h (emit_line_note_after, emit_line_note,
6231 emit_line_note_force): Likewise.
6233 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6234 asm_emit_uninitialised, assemble_start_function,
6235 assemble_variable, const_hash, compare_constant_1,
6236 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6238 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6240 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6242 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6244 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6246 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6247 arm_dllimport_name_p): Likewise.
6249 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6252 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6254 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6256 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6257 arm_mark_dllexport, arm_mark_dllimport,
6258 arm_pe_encode_section_info): Likewise.
6260 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6261 ASM_FINISH_DECLARE_OBJECT): Likewise.
6263 * arm/thumb.c (thumb_function_prologue): Likewise.
6265 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6267 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6269 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6271 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6273 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6275 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6277 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6278 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6280 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6282 * i386/i386.c (asm_output_function_prefix): Likewise.
6284 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6286 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6288 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6290 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6291 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6292 ASM_OUTPUT_SECTION_NAME): Likewise.
6294 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6296 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6298 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6300 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6302 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6304 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6306 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6308 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6310 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6312 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6314 * mips/mips.md (movdi, movsi): Likewise.
6316 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6318 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6320 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6322 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6323 ASM_OUTPUT_ASCII): Likewise.
6325 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6326 output_mi_thunk, output_toc): Likewise.
6328 * rs6000/rs6000.md (movsi): Likewise.
6330 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6332 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6334 * v850/v850.c (print_operand, print_operand_address,
6335 v850_encode_data_area): Likewise.
6337 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6339 * config/mips/mips.md (zero_extendsidi2): Always force operand
6340 one to memory for mips16.
6342 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6344 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6345 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6346 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6347 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6348 (min_precision): Result is unsigned.
6349 (add_double, neg_double, mul_double): Low word is unsigned.
6350 (lshift_double, rshift_double, lrotate_double): Likewise.
6351 (rrotate_double, div_and_round_double): Likewise.
6352 (tree_floor_log2, compare_tree_int): New functions.
6353 (preserve_rtl_expr_temps): New declaration.
6354 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6355 (decl_attributes): Use tree_log2 to find alignment.
6356 Check for TREE_INT_CST_HIGH for format args.
6357 (min_precision): Now unsigned.
6358 Use tree_floor_log2.
6359 (truthvalue_conversion): Delete long-disabled code.
6360 * c-decl.c (finish_struct): Clean up tests on field width.
6361 (finish_function): Use compare_tree_int.
6362 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6363 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6364 (default_conversion, digest_init): Use compare_tree_int.
6365 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6366 Fix type errors in forming masks.
6367 * calls.c (initialize_argument_information): Use compare_tree_int.
6368 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6369 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6370 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6371 (store_field): Use compare_tree_int.
6372 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6373 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6374 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6375 (do_store_flag): Use compare_tree_int.
6376 * fold-const.c (encode, decode): Low part is always unsigned.
6377 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6378 (lshift_double, rshift_double, lrotate_double): Likewise.
6379 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6380 (fold_convert): Use compare_tree_int.
6381 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6382 (invert_truthvalue, case INTEGER_CST): Likewise.
6383 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6384 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6385 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6386 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6388 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6389 (expand_end_case): Use compare_tree_int.
6390 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6391 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6392 (layout_decl): Likewise.
6393 (layout_record, layout_union): Make sizes unsigned.
6394 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6395 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6396 * tree.c (struct type_hash): hashcode is unsigned.
6397 (build_type_attribute_variant, type_hash_list): Likewise.
6398 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6399 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6400 (build_complex_type): Likewise.
6401 (real_value_from_int_cst): Remove unneeded casts.
6402 (integer_all_onesp): Add casts.
6403 (tree_floor_log2, compare_tree_int): New functions.
6404 (build_index_type): Use tree_int_cst_sgn.
6405 * varasm.c (assemble_variable): Use compare_tree_int.
6407 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6409 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6411 * varasm.c (make_decl_rtl): Don't add a number to members of
6413 (make_function_rtl): Likewise.
6415 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6417 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6418 patch from 2000-01-28.
6420 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6422 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6423 filled with an insn from the jump target.
6425 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6427 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6428 (c4x_external_ref): Likewise.
6429 * config/c4x/c4x.c (struct name_list): Likewise.
6431 1999-12-16 Ben Collins <bcollins@debian.org>
6433 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6434 argument to genmultilib.
6435 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6436 the contents into the multilib.h header.
6437 * gcc.c: Declare multilib_exclusions for the specs file.
6438 (set_multilib_dir): Use it.
6439 (print_multilib_info): Likewise.
6440 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6441 to pass to genmultilib.
6443 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6445 * builtins.c (built_in_class_names, built_in_names): Constify a
6448 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6450 (_mcleanup): Ensure value matches format specifier in sprintf.
6452 * cpphash.c (special_symbol): Don't needlessly cast away
6455 * cppinit.c (base_name): Delete unused prototype.
6457 * mkdeps.c (deps_init): Make definition K&R safe.
6459 * tree.h (built_in_class_names, built_in_names): Constify a
6462 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6464 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6465 floating point instructions for epilogue delay.
6467 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6468 to gas if it supports .register pseudo.
6470 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6471 LONG_DOUBLE_TYPE_SIZE if not defined.
6472 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6473 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6475 * gengenrtl.c: Likewise.
6476 * print-rtl.c: Likewise.
6478 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6479 MASK_LONG_DOUBLE_128.
6480 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6481 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6482 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6483 (SUBTARGET_SWITCHES): Define.
6484 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6485 with -mlong-double-128.
6486 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6487 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6488 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6489 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6490 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6491 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6492 with -mlong-double-128.
6493 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6494 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6495 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6496 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6497 TARGET_LONG_DOUBLE_128): Define.
6498 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6499 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6500 long double on TARGET_ARCH64.
6502 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6504 * function.c (free_temps_for_rtl_expr): Don't free slots
6505 that have been pushed into a higher level.
6508 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6510 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6512 * basic-block.h (ALLOCA_REG_SET): Remove.
6513 (INITIALIZE_REG_SET): New macro.
6514 * flow.c (update_life_info): Use it.
6515 (calculate_global_regs_live): Likewise.
6516 (propagate_block): Likewise.
6517 * global.c (build_insn_chain): Likewise.
6518 * haifa-sched.c (schedule_region): Likewise.
6520 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6522 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6523 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6524 (DWARF_ARANGES_PAD_SIZE): New define.
6525 (output_aranges): Use it to pad the address range header.
6526 (DWARF_ROUND): Fix for non power of 2 rounding.
6528 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6530 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6532 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6534 * tree.def (RTL_EXPR): Update documentation.
6535 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6536 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6537 * function.c (preserve_rtl_expr_temp): New function.
6538 (preserve_rtl_expr_temps): Likewise.
6539 (preserve_rtl_expr_result): Use it.
6542 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6544 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6546 * regmove.c (copy_src_to_dest) Do not create src->dest move
6547 for unchanging destination.
6549 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6551 * function.h (struct sequence_stack): Remove rtl_expr.
6552 (struct emit_staus): Likewise.
6553 (seq_rtl_expr): Remove.
6554 * tree.h (free_temps_for_rtl_expr): Don't declare.
6555 (start_sequence_for_rtl_expr): Likewise.
6556 * rtl.h (preserve_rtl_expr_result): Likewise.
6557 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6558 (start_sequence_for_rtl_expr): Remove.
6559 (push_topmost_sequence): Don't save sequence_rtl_expr.
6560 (pop_topmost_sequence): Remove comment about not restoring it.
6561 (end_sequence): Don't set seq_rtl_expr.
6562 (init_emit): Don't initialize it.
6563 (mark_sequence_stack): Don't mark it.
6564 (mark_emit_status): Likewise.
6565 * except.c (protect_with_terminate): Use
6566 start_sequence_for_rtl_expr, not start_sequence.
6567 * expr.c (expand_expr, case RTL_EXPR): Don't call
6568 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6569 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6570 (preserve_rtl_expr_result): Remove.
6571 (free_temps_for_rtl_expr): Likewise.
6572 (pop_temp_slots): Likewise.
6573 (mark_temp_slot): Don't mark the rtl_expr.
6574 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6575 start_sequence_for_rtl_expr.
6577 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6579 * mkdeps.c, mkdeps.h: New files.
6580 * po/POTFILES.in: Add them.
6581 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6582 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6583 (mkdeps.o): New target.
6585 * cppfiles.c: Delete deps_output.
6586 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6587 OBJECT_SUFFIX, and base_name.
6588 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6590 (initialize_dependency_output): Use deps_init,
6591 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6592 all the unnecessary string bashing.
6593 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6595 * cpplib.c (do_include): Use deps_add_dep.
6596 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6597 deps_allocated_size, deps_size, deps_column members with
6598 single pointer to a struct deps. Delete prototype of
6601 * cppinit.c: Fix thinko in previous patch.
6603 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6605 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6606 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6607 (mode_for_size_tree): New function.
6608 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6609 * tree.h (mode_for_size_tree): New declaration.
6611 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6613 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6615 * stmt.c (is_body_block): Move...
6616 * dwarfout.c, dwarf2out.c: ...from here.
6617 * tree.h: Declare it.
6618 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6619 * final.c (final_start_function): Do call remove_unnecessary_notes
6622 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6624 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6626 * cpplib.h (_dollar_ok): New macro.
6627 (is_idchar, is_idstart): Use it.
6628 (IStable): Rename to _cpp_IStable. Declare it const if
6629 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6630 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6631 is_space): Update for renamed IStable.
6633 * cppinit.c: Delete all references to FAKE_CONST and CAT
6634 macros. Define init_IStable as empty macro if gcc >=2.7 or
6635 C99. Change TABLE() to ISTABLE and hardcode name of table.
6636 (cpp_start_read): Don't change the IStable based on
6639 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6640 changed. Handle '$' for char1 correctly.
6641 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6643 * cppexp.c (tokentab2): Make const.
6644 (cpp_lex): Make toktab const.
6645 * cppinit.c (include_defaults_array): Make const.
6646 (initialize_standard_includes): Make default_include const.
6648 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6650 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6651 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6652 (gen_decl_die): Likewise.
6653 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6654 (output_decl): Likewise.
6656 * varasm.c (make_function_rtl): If we change the name used in the
6657 rtl, update DECL_ASSEMBLER_NAME accordingly.
6658 (make_decl_rtl): Likewise.
6660 * toplev.c (rest_of_compilation): Tweak formatting.
6662 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6663 remove_unnecessary_notes.
6664 (debug_ignore_block): New fn.
6665 * toplev.h: Declare it.
6666 * emit-rtl.c (remove_unncessary_notes): Call it.
6667 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6668 * dwarf2out.h: Declare it.
6669 * final.c (final_start_function): Don't call remove_unnecessary_notes
6670 if we did insn scheduling.
6672 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6674 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6675 * cpplib.h: Delete SET_CPP_PEDANTIC.
6677 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6679 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6680 result is a RECORD_TYPE.
6682 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6684 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6686 2000-03-03 Richard Henderson <rth@cygnus.com>
6688 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6689 addition over compliments over shifts.
6691 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6693 * reload1.c (reload_combine_note_use): Handle return register USEs.
6694 REG case: Handle multi-hard-register hard regs.
6696 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6698 * md.texi: Document use of '*' in insn pattern name.
6700 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6702 * calls.c (special_function_p): operator new may not be malloc-like.
6704 * gcse.c (dump_hash_table): Really fix error in last change.
6706 2000-03-02 Denis Chertykov <denisc@overta.ru>
6708 * avr.c (print_operand): Use print_operand_address instead of
6710 * avr/libgcc.S: Cleanup code.
6712 2000-03-02 Richard Henderson <rth@cygnus.com>
6714 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6716 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6718 * tree.h (TYPE_ALIGN_UNIT): New macro.
6720 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6722 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6724 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6726 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6728 (SET_CPP_PEDANTIC): New macro.
6729 * cpplib.c (do_include): Don't bother checking system_header_p.
6730 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6731 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6733 * function.h (struct expr_status): Add x_arg_space_so_far.
6734 (arg_space_so_far): New macro.
6735 * expr.c (init_expr): Initialize it.
6736 * calls.c (emit_call_1): Reset it.
6737 (compute_argument_block_size, expand_call): Use it.
6738 (expand_call, store_one_arg): Increment it.
6740 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6742 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6745 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6747 * cppfiles.c (cpp_read_file): New function.
6749 * cpphash.c (collect_expansion): Make sure to reset last_token
6750 to NORM when we hit a string. Handle trailing whitespace
6751 properly when the expansion is empty.
6752 (create_definition): Disable line commands while parsing the
6754 (dump_definition): If pfile->lineno == 0, output a line
6755 command ahead of the dump, and add a trailing newline.
6757 * cppinit.c (append_include_chain): Add fifth argument, which
6758 indicates whether or not system headers are C++ aware.
6759 (initialize_standard_includes): New function,
6760 broken out of read_and_prescan. Pass 'cxx_aware' value from
6761 the include_defaults_array on to append_include_chain.
6762 (dump_special_to_buffer): Const-ify char array.
6763 (builtin_array): Don't dump __BASE_FILE__.
6764 (cpp_start_read): Use cpp_read_file. Reorder code for
6765 clarity. Don't output line commands here for -D/-A/-U
6766 switches. Don't call deps_output for files included with
6767 -include or -imacros.
6769 * cpplib.c (do_define): Don't pay any attention to the second
6771 (cpp_expand_to_buffer): Disable line commands while scanning.
6772 (output_line_command): Work in the file buffer.
6773 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6774 Fix formatting of comments. Prototype cpp_read_file.
6776 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6778 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6779 reference the language-equivalent of sizetype.
6780 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6781 * fold-const.c (size_binop, size_diffop): Put back checks.
6782 * gcse.c (dump_hash_table): Fix minor error in last change.
6783 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6784 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6787 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6789 * calls.c (expand_call) Do not attempt to combine stack adjustments
6790 with inhibit_defer_pop set.
6792 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6794 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6795 the DECL_SIZE for a FIELD_DECL.
6797 2000-03-01 Bruce Korb <bkorb@gnu.org>
6799 * fixinc/inclhack.tpl: remove unused symlinks
6800 * fixinc/README: GCC Maintainer info
6801 * fixinc/inclhack.sh: regen
6802 * fixinc/fixincl.sh: regen
6804 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6806 * cpphash.c (collect_expansion): Trim trailing white space
6807 from macro definitions, but don't go past the last insertion
6810 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6812 * i386.md (mulqi3): New pattern.
6814 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6816 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6818 (struct cpp_reader): Add parsing_if_directive and
6819 parsing_define_directive flags.
6820 (struct cpp_options): Remove output_conditionals flag.
6821 (check_macro_name): Delete prototype.
6823 * cpphash.h (struct macrodef): Delete.
6824 (struct reflist): Separate from struct definition.
6825 (struct definition): Remove unused fields. Add column number.
6826 (create_definition): Returns a DEFINITION *. Takes a
6827 cpp_reader * and an int.
6829 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6830 (PEEKC): Copy defn from cpplib.c.
6831 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6833 (struct arglist): Simplify.
6834 (collect_expansion): Rewrite. Get tokens by calling
6835 cpp_get_token. Add more error checking.
6836 (collect_formal_parameters): New function, broken out of
6837 create_definition and reworked to use get_directive_token.
6838 (create_definition): All real work is now in collect_expansion
6839 and collect_formal_parameters. do_define handles finding the
6840 macro name. Return a DEFINITION, not a MACRODEF.
6841 (macroexpand): Replace bcopy with memcpy throughout. Replace
6842 character-at-a-time copy loop with memcpy and pointer increments.
6843 (compare-defs): d1->argnames / d2->argnames might be null.
6845 * cpplib.c (copy_rest_of_line): Delete function.
6846 (skip_rest_of_line): Do all the work ourselves.
6847 (skip_string): New function.
6848 (parse_string): Use skip_string.
6849 (get_macro_name): New function.
6850 (check_macro_name): Delete.
6851 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6852 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6853 (handle_directive): ICE if we're called on a macro buffer.
6854 (do_define): Determine macro name and type (funlike/objlike)
6855 here. Expunge all uses of MACRODEF.
6856 (cpp_push_buffer): Set line_base to NULL.
6857 (do_undef, read_line_number): Don't worry about getting a POP token.
6858 (eval_if_expression): Set/reset parsing_if_directive around
6859 cpp_parse_expr. Don't clear only_seen_white.
6860 (skip_if_group): Remove output_conditionals logic. Use
6862 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6863 tokens under appropriate conditions.
6864 (cpp_unassert): Call do_unassert not do_assert. Oops.
6866 * cppexp.c (parse_defined): New function, break out of
6868 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6869 ourselves, with cpp_defined.
6870 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6872 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6873 * gcc.dg/strpaste-2.c: New.
6875 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6877 * fold-const.c (size_binop): Don't asert inputs are the same and
6878 have TYPE_IS_SIZETYPE set.
6879 (size_diffop): Likewise.
6881 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6883 * dwarfout.c (output_block): Output abstract blocks even if they
6884 don't have TREE_ASM_WRITTEN set.
6886 * calls.c (emit_library_call): Check for null REG.
6888 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6890 * c-decl.c (current_function_decl): Move to toplev.c.
6891 (init_decl_processing): Don't add current_function_decl as a ggc
6893 * dbxout.c (dbxout_symbol): Change return type to int.
6894 (dbxout_symbol_location, dbxout_syms): Likewise.
6895 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6896 any locals. Use current_function_func_begin_label if set.
6897 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6898 * dwarf2out.c (dwarf2out_begin_prologue): Set
6899 current_function_func_begin_label.
6900 * final.c (final_start_function): Reset it.
6901 * toplev.c (current_function_decl): Define it here.
6902 (current_function_func_begin_label): New variable.
6903 (main): Add both as ggc roots.
6904 * tree.h (current_function_func_begin_label): Declare.
6906 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6908 * gcse.c: Cleanups throughout: mostly white-space, but also
6909 some minor rearrangement of code.
6911 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6913 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6914 returns a PARALLEL. Use emit_group_load and use_group_regs
6916 (emit_library_call_value): Similarly.
6918 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6919 * pa/quadlib.asm: Remove.
6920 * pa/quadlib.c: New file.
6922 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6923 * configure: Rebuilt.
6925 2000-02-29 Philip Blundell <pb@futuretv.com>
6927 * config/arm/conix-elf.h: New file.
6928 * configure.in (arm*-*-conix*): New configuration.
6929 * configure: Regenerate.
6931 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6933 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6934 don't have TREE_ASM_WRITTEN set.
6936 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6938 * Eliminate DECL_FIELD_SIZE.
6939 * builtins.c (built_in_class_names, built_in_names): New variables.
6940 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6941 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6942 DECL_SIZE, not DECL_FIELD_SIZE.
6943 * print-tree.c (print_node): Remove code that prints extra blank
6944 lines in some cases.
6945 Properly handle inline and builtin function cases.
6946 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
6947 * tree.h (built_in_class_named, built_in_names): New declarations.
6948 (union tree_decl): Rename internal unions to u1 and u2 and change
6949 some of their components.
6950 Add new field built_in_class.
6951 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
6952 Reflect above changes.
6953 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
6954 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
6955 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
6956 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
6958 2000-02-28 Dmitri Makarov <dim@windriver.com>
6960 * extend.texi: Document ARM's support for long/short calls.
6962 * invoke.texi: Document ARM's -mlong-calls command line switch.
6964 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
6965 (arm_encode_call_attribute): Add prototype.
6966 (arm_set_default_type_attribute): Add prototype.
6967 (arm_strip_name_encoding): Add prototype.
6969 * config/arm/arm.c (arm_init_cumulative_args): replace
6970 initialisation og 'long_calls' field with initialisation of
6971 'call_cookie' field.
6972 (enum arm_pragma_enum): New enum.
6973 (arm_pragma_long_calls): New static variable.
6974 (arm_process_pragma): Also process "#pragma long_calls_off".
6975 (arm_valid_type_attribute_p): Accept short_call attribute.
6976 (arm_comp_type_attributes): Check long/short call attributes.
6977 (arm_encode_call_attribute): New function: Encode long_call
6978 or short_call attribute in function name.
6979 (arm_set_default_type_attributes): New function: Assign
6980 default attributes to newly defined type.
6981 (current_file_function_operand): New function: Return true if
6982 the symbol is a function which has already been compiled.
6983 (arm_is_longcall_p): New function: Return true if the
6984 indicated function should be called via a long call.
6985 (arm_get_strip_length): New function. Returns number of
6986 prefix characters to be stripped from a function's name.
6987 (arm_strip_name_encoding): New function. Strip prefix characters
6988 from a function's name.
6990 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
6992 (SHORT_CALL_FAG_CHAR): Define.
6993 (LONG_CALL_FAG_CHAR): Define.
6994 (ENCODED_SHORT_CALL_ATTR_P): Define.
6995 (ENCODED_LONG_CALL_ATTR_P): Define.
6996 (ARM_NAME_ENCODING_LENGTHS): Define.
6997 (STRIP_NAME_ENCODING): Define.
6998 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
6999 (ARM_ENCODE_CALL_TYPE): Define.
7000 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7001 (ARM_DECLARE_FUNCTION_SIZE): Define.
7002 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7004 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7005 if a long call is needed.
7006 (call_value): Ditto.
7007 (call_symbol): Ditto.
7009 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7010 ARM_DECLARE_FUNCTION_SIZE.
7012 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7013 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7014 (ARM_STRIP_NAME_ENCODING): Undefine.
7015 (STRIP_NAME_ENCODING): Undefine.
7016 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7017 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7018 (ASM_OUTPUT_COMMON): Ditto.
7019 (ASM_DECLARE_OBJECT_NAME): Ditto.
7021 * config/arm/pe.c (arm_dllexport_name_p): Check for
7023 (arm_dllimport_name_p): Ditto.
7024 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7025 (arm_mark_dllimport): Ditto.
7027 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7029 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7031 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7033 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7035 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7037 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7038 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7039 NO_BUILTIN_WCHAR_TYPE is not defined.
7040 (CPP_WCHAR_TYPE): Delete.
7041 * cccp.c (main): Don't change wchar_type if cplusplus.
7042 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7044 2000-02-28 Nick Clifton <nickc@cygnus.com>
7046 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7048 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7050 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7051 (ASM_WEAKEN_LABEL): Define.
7053 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7055 * expr.c (store_constructor): Do not emit USE.
7056 * rtl.h (stupid_life_analysis): Remove.
7058 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7060 * function.c (number_blocks): Reset next_block_index based on
7061 what debugging format is used, not what is defined.
7063 * lcm.c: Minor reformatting throughout.
7064 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7066 * toplev.c (rest_of_compilation): Account for time in
7067 optimize_mode_switching.
7069 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7070 if only marking labels.
7072 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7074 * calls.c (expand_call): Attempt to combine stack adjustments with
7075 pending stack adjustments.
7077 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7079 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7080 to the end of the function.
7082 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7084 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7086 * final.c (next_block_index): Remove.
7087 (max_block_depth): Likewise.
7088 (pending_blocks): Likewise.
7089 (init_final): Don't initialize them.
7090 (final_start_function): Don't set next_block_index. Set up
7092 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7093 * function.h (number_blocks): New function.
7094 * function.c (get_block_vector): New function.
7095 (identify_blocks): Use it.
7096 (reorder_blocks): Set NOTE_BLOCK.
7097 (number_blocks): New function.
7098 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7099 * tree.h (BLOCK_NUMBER): New macro.
7100 (tree_block): Add block_num field.
7101 * dbxout.c (next_block_number): Remove.
7102 (dbxout_init): Don't set it.
7103 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7104 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7106 * toplev.c (rest_of_compilation): Always call
7107 find_loop_tree_blocks. Fix indentation.
7108 * dwarf2out.c (next_block_number): Remove.
7109 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7110 to determine block numbers.
7111 (gen_inlined_subroutine_die): Likewise.
7112 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7113 (decls_for_scope): Don't increment next_block_number.
7114 * dwarfout.c (next_block_number): Remove.
7115 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7116 to determine block numbers.
7117 (output_inlined_subroutine_die): Likewise.
7118 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7119 (output_decls_for_scope): Don't increment next_block_number.
7120 * sdbout.c (next_block_number): Remove.
7121 (sdbout_block): Use BLOCK_NUMBER.
7122 (sdbout_begin_block): Simplify.
7123 * xcoffout.c (next_block_number): Remove.
7124 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7125 (xcoffout_begin_block): Don't set next_block_number.
7126 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7129 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7131 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7132 (expand_builtin_strcpy): Pass correct type to size_binop.
7133 (expand_builtin_strcmp): Likewise.
7134 Clean up conditional structure.
7135 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7136 (complete_array_type): Don't use size_binop for MAXINDEX.
7137 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7138 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7139 (c_alignof): Use size_one_node.
7140 (build_unary_op): Pass arg of proper type to size_binop.
7141 (really_start_incremental_init, push_init_level): Use sizetype for
7142 constructor{,_bit,_unfilled}_index.
7143 (pop_init_label, output_init_element): Likewise.
7144 (output_pending_init_elements, process_init_element): Likewise.
7145 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7146 * expr.c (store_expr): Use size_int.
7147 (store_constructor): Use proper types for size_binop args.
7148 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7149 (expand_expr_unaligned): Likewise.
7150 (string_contant): Return object of sizetype.
7151 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7152 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7153 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7154 * fold-const.c (int_const_binop): Refine when size_int is called.
7155 (fold_convert): Likewise.
7156 (size_int_wide): Rework to take KIND as arg, only take low order
7157 bits, handle new sizetype_tab datatype, and chain entries in
7159 (size_int_type_wide): New function.
7160 (size_binop): Validate types of arguments.
7161 (ssize_binop): Deleted.
7162 (size_diffop): New function.
7163 (extract_muldiv): Only fold division into multiplication for sizetypes.
7164 * function.c (assign_parms): Use size_diffop and make sure
7165 VAR field is of ssizetype; also pass proper type to size_binop.
7166 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7167 (round_down): Deleted from here.
7168 * store-layout.c (sizetype_tab): Now an array.
7169 (sizetype_set, early_root_list): New variables.
7170 (variable_size): Use size_one_node.
7171 (round_up): Pass proper type to size_binop.
7172 (round_down): Moved to here and corrected as above.
7173 (layout_record): Pass proper arg types to size_binop.
7174 (layout_type): Likewise.
7175 If sizetype_set is zero, record the type just laid out.
7176 (make_unsigned_type): Don't call set_sizetype;
7177 (make_signed_type): Likewise; also, call fixup_signed_type.
7178 (initialize_sizetypes): New function.
7179 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7180 set name of bitsizetype to "bit_size_type".
7181 Fix up type of sizes of all types made before call.
7182 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7183 * tree.c (fix_sizetype): Deleted.
7184 (build_common_tree_nodes): Call initialize_sizetypes.
7185 (build_common_tree_nodes_2): Don't call fix_sizetype.
7186 * tree.h (TYPE_IS_SIZETYPE): New macro.
7187 (initialize_sizetype): New declaration.
7188 (enum size_type_kind): New type.
7189 (struct sizetype_tab): Deleted.
7190 (sizetype_tab): Now array; adjust sizetype macros.
7191 (size_diffop, size_int_type_wide): New functions.
7192 (size_int_wide): Change number of args and type; access macros changed.
7193 (ssize_int, sbitsize_int): New macros.
7194 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7195 (ROUND_TYPE_SIZE_UNIT): New macro.
7197 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7199 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7201 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7203 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7204 Mark as possibly unused.
7206 * cse.c (cse_insn): Delete dead code involving tablejump.
7207 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7209 * Makefile.in (libcpp.a): Start by deleting it.
7211 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7213 * cpplib.h (enum file_change_code): Added rename_file.
7214 * cpplib.c (do_line): If a filename is given, set file_change to
7216 (output_line_command): If file_change is rename_file, always
7217 output a # directive with the file name.
7219 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7221 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7223 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7224 when copying a PARM_DECL or RESULT_DECL.
7226 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7228 * fix-header.c (recognized_function): Also fix prototypes for
7229 functions taking "void".
7231 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7233 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7234 looking at reg_reloaded_contents.
7236 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7238 * Makefile.in (STMP_FIXINC): New toggle.
7239 (LIBGCC2_DEPS): Delete all references.
7240 (stmp-headers): Delete target. All references either deleted
7241 or changed to stmp-int-headers.
7242 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7243 (LIBCPP_OBJS): Take out cppalloc.o.
7244 (cppalloc.o): Delete target.
7245 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7246 (gen-protos, fix-header): Link with libiberty.a.
7247 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7250 * configure.in: Remove refs to strerror.
7251 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7252 * system.h: Take out strerror stanza.
7254 * cpperror.c (my_strerror): Delete function.
7255 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7256 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7257 * cppalloc.c: Delete file.
7258 * gen-protos.c: Don't provide xrealloc.
7260 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7261 xstrerror throughout.
7263 2000-02-26 Bruce Korb <bkorb@gnu.org>
7265 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7266 match for DOS headers, too.
7267 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7269 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7271 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7272 is right for most ELF targets.
7273 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7274 Let the default file use %U properly.
7275 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7278 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7281 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7283 * toplev.c (documented_lang_options): Correct spelling error.
7284 (decode_d_option, decode_f_option, main): Likewise.
7286 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7288 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7289 to tell assembler it is permitted to expand large constants.
7291 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7293 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7294 (aux_info_suffix): Use.
7295 (SAVE_SUFFIX): New macro.
7297 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7298 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7299 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7301 * invoke.texi (Running Protoize): Update documentation.
7303 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7305 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7307 2000-02-25 John Wehle (john@feith.com)
7309 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7311 2000-02-25 Anthony Green <green@cygnus.com>
7313 * toplev.c (rest_of_compilation): Rebuild jump labels if
7314 combine_instructions has created a new direct jump.
7315 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7317 (combine_instructions): Call try_combine with new argument.
7318 Return non-null value when new direct jump instruction is created.
7319 * rtl.h: combine_instructions returns an int.
7321 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7323 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7324 jump when changing a computed jump into a jump to a known
7327 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7329 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7330 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7332 * i386.md (define_expand "clrstrsi"): Fix typo.
7334 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7336 * rtl.texi: Fix typo.
7338 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7340 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7341 UNITS_PER_WORD. Change caller initial_elimination_offset.
7342 (rounded_frame_size): Take into account that argument pushed has
7343 changed. Fix TARGET_ALIGN_DOUBLE problem.
7345 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7347 * haifa-sched.c (schedule_block): Explain the real reason
7348 we delete REG_SAVE_NOTEs on the first insn of a block.
7349 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7351 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7353 * input.h (push_srcloc): New function.
7354 (pop_srcloc): Likewise.
7355 * toplev.c (push_srcloc): Define it.
7356 (pop_srcloc): Likewise.
7358 2000-02-24 Richard Henderson <rth@cygnus.com>
7360 * flow.c (life_analysis): When collecting reg info, clear
7363 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7365 Fix bug exposed by reload.c no longer rounding the frame
7366 size to BIGGEST_ALIGNMENT:
7367 * sh.c (rounded_frame_size): New function.
7368 (sh_expand_prologue, sh_expand_epilogue): Use it.
7369 (initial_elimination_offset): Likewise.
7371 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7373 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7374 * sh-protos.h (sh_need_epilogue): Declare.
7375 * sh.c (sh_need_epilogue_known): New static variable.
7376 (sh_need_epilogue): New function.
7377 (function_epilogue): Clear need_epilogue_known.
7378 * sh.md (return): Split into expander / insn pattern.
7379 Make the expander conditional on ! sh_need_epilogue ().
7381 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7383 * machmode.h (get_mode_alignment): Declare.
7384 (GET_MODE_ALIGNMENT): Call it.
7385 * stor-layout.c (get_mode_alignment): New function. Make
7386 sure alignment is always power of 2.
7388 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7390 * i386.h: Remove useless definition of "I386" and misleading
7393 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7395 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7396 under which TREE_PERMANENT will be set.
7397 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7398 build1): Use TREE_SET_PERMANENT.
7399 * print-tree.c (print_node): Don't report value of
7400 TREE_PERMANENT if ggc_p is true.
7402 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7403 decide whether to give a type a new alias set.
7404 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7405 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7406 of value of 'obstack'.
7409 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7411 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7413 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7415 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7416 * cpplib.c (cpp_get_token): Produce them.
7417 * cppexp.c (cpp_lex): Handle them.
7419 2000-02-23 Nick Clifton <nickc@cygnus.com>
7421 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7422 comment tests on type attributes.
7424 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7426 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7427 conform to documentation.
7428 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7429 to check for special cases.
7430 * sh-protos.h (sh_loop_align): Declare.
7431 * sh.c (sh_loop_align): Define.
7433 2000-02-22 Andrew Haley <aph@cygnus.com>
7435 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7436 (SIZE_TYPE): Is 32 bits when using -mgp32.
7437 (PTRDIFF_TYPE): Ditto.
7439 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7441 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7443 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7445 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7446 BIGGEST_FIELD_ALIGNMENT a constant.
7448 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7450 * dwarf2out.c (output_line_info): Put the marker for the end of
7451 the line number info at the actual end.
7452 (gen_struct_or_union_type_die): Use decl_function_context
7453 to check for local classes.
7454 * dwarfout.c (output_type): Likewise.
7456 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7458 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7459 for arguments with a mode, but no type.
7460 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7461 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7462 * pa/long_double.h: New file.
7463 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7464 both have 128bit wide long doubles.
7465 * configure: Rebuilt.
7467 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7469 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7471 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7472 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7473 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7475 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7477 * integrate.c (compare_blocks, find_block): Likewise.
7479 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7481 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7483 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7484 expand_asm_operands): Likewise.
7486 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7488 * predict.c (estimate_probability): Added the pointer heuristic to
7489 the collection of static branch predictors.
7491 2000-02-21 Catherine Moore <clm@cygnus.com>
7493 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7494 * invoke.texi (-mfix7000): Document.
7496 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7498 * diagnostic.c (init_output_buffer): Make it possible to output at
7499 least 32 characters if we're given a too long prefix.
7501 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7503 * varasm.c (initializer_constant_valid_p): Call
7504 lang_expand_constant to simplify the constant.
7506 2000-02-20 Bruce Korb <bkorb@gnu.org>
7508 * fixinc/inclhack.def(stdio_va_list):
7509 typedef needs to be disabled.
7510 * fixinc/inclhack.sh: regen
7511 * fixinc/fixincl.x: regen
7513 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7515 * print-rtl.c (print_rtx): Don't print addresses when
7516 flag_dump_unnumbered.
7518 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7520 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7522 (sparc_va_arg, sparc_flat_output_function_prologue,
7523 sparc_flat_output_function_epilogue): Cast value to unsigned in
7525 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7527 * sparc.md: Add default case in switch.
7529 2000-02-19 Richard Henderson <rth@cygnus.com>
7531 * c-typeck.c (add_pending_init): Don't abort for multiple
7532 fields at the same offset.
7533 (pending_init_member): Test the correct member.
7535 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7537 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7539 (start_catch_handler) : Same.
7541 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7543 * Makefile.in: Have flow.o depend on $(EXPR_H)
7545 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7547 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7548 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7549 (finish_decl): Remove -Wlarger-than code from here.
7550 * flags.h (id_clash_len): Now int.
7551 (larger_than_size): Now HOST_WIDE_INT.
7552 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7553 Clean up checking to see if in table.
7554 (make_bit_field_ref): Remove extra parm to bitsize_int.
7555 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7556 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7557 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7558 and for computing size of decl.
7559 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7560 Move -Wlarger-than code to here.
7561 (layout_record): Remove extra arg to bitsize_int.
7562 Set TYPE_BINFO_SIZE_UNIT.
7563 (layout_union): Remove extra arg to bitsize_int.
7564 Use proper type for size of QUAL_UNION.
7565 (layout_type): Remove extra arg to bitsize_int.
7566 * toplev.c (id_clash_len): Now int.
7567 (larger_than_size): Now HOST_WIDE_INT.
7568 (decode_W_option): Clean up id-clash and larger-than- cases.
7569 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7570 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7571 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7572 (struct tree_decl): New field size_unit.
7573 (size_int_wide): No HIGH operand; NUMBER is now signed.
7574 (size_int_2): Deleted.
7575 (size_int, bitsize_int): Don't use it and rework args.
7576 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7578 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7580 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7582 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7584 * invoke.texi (Warning Options): Add an explanation of why
7585 you might want the -Wfloat-equal flag.
7587 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7589 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7590 * cppinit.c (new_pending_define): Add cast to avoid warning.
7591 * expmed.c (extract_bit_field): Likewise.
7592 * flow.c (enum reorder_skip_type): New type.
7593 (skip_insns_between_blcok): New it.
7594 Rework to avoid warning about possibly undefined variable.
7595 * function.c (assign_parms): Make thisparm_boundary unsigned.
7596 * genrecog.c (write_switch): Cast XWINT result to int.
7597 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7598 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7599 one for MIPS and one for Alpha.
7600 (get_tag, copy_object): Add casts to avoid warnings.
7601 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7602 * reload.c (find_reloads): Make TYPE enum reload_type.
7603 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7604 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7605 * varasm.c (compare_constant_1): Add cast to avoid warning.
7606 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7608 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7609 Cast switch operand of size to int.
7610 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7611 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7614 2000-02-18 Nick Clifton <nickc@cygnus.com>
7616 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7617 anything for an alignment of zero.
7619 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7620 anything for an alignment of zero.
7622 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7624 * gcc.texi (Bug Reporting): Refer to bugs.html.
7625 (Bug Lists): Likewise.
7626 * system.h (GCCBUGURL): New preprocessor define.
7627 * rtl.c (fancy_abort): Use it.
7628 * gcc.c (main): Likewise.
7630 2000-02-18 Richard Henderson <rth@cygnus.com>
7632 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7633 (life_analysis_1): Subsume into ...
7634 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7635 Use update_life_info for the relaxation.
7636 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7637 entry and regs_live_at_setjmp.
7638 (set_noop_p): Simplify.
7639 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7640 (record_volatile_insns): Split into ...
7641 (delete_noop_moves): ... here,
7642 (notice_stack_pointer_modification): ... here,
7643 (insn_dead_p): ... and here.
7644 (propagate_block): Don't query INSN_VOLATILE.
7645 (mark_used_regs): Mind !PROP_REG_INFO.
7646 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7647 not in life_analysis.
7649 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7651 * loop.c (canonicalize_condition): New function,
7652 broken out of get_condition.
7653 (get_condition): Use it.
7654 * expr.h (canonicalize_condition): Prototype it.
7656 * tree.h (tree_int_cst_msb): Declare.
7657 * tree.c (tree_int_cst_msb): New function.
7659 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7661 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7664 * invoke.texi (-fmessage-length=n): Document.
7666 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7668 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7670 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7672 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7675 2000-02-17 Nick Clifton <nickc@cygnus.com>
7677 * config/arm/thumb.c: Replace includes of system headers with
7678 #include "system.h".
7680 2000-02-16 Richard Henderson <rth@cygnus.com>
7682 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7683 Add crtbeginS.o and crtendS.o.
7684 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7685 (ENDFILE_SPEC): Use crtendS.o.
7686 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7688 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7689 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7691 (__dso_handle): New variable.
7692 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7693 bias to __CTOR_END__.
7695 2000-02-16 Richard Henderson <rth@cygnus.com>
7697 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7699 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7701 * longlong.h (__clz_tab): Declare as static to match definition.
7703 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7704 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7705 (XREF_FILE_NAME): Define.
7707 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7708 (EH_FRAME_SECTION_ASM_OP): Define.
7709 (IDENT_ASM_OP): Define.
7710 (TEXT_SECTION_ASM_OP): Define.
7712 (CTORS_SECTION_ASM_OP): Define.
7713 (CTOR_SECTION_FUNCTION): Use it.
7714 (DTORS_SECTION_ASM_OP): Define.
7715 (DTOR_SECTION_FUNCTION): Use it.
7717 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7719 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7722 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7723 debug_bb_n): New functions.
7724 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7725 * basic-block.h: Prototype new functions.
7727 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7729 * configure.in: Add support for avr target.
7730 * configure: Rebuilt.
7732 * invoke.texi: Add AVR invocation docs.
7733 * install.texi: Add information about AVR.
7734 * md.texi: Add AVR constraint letters description.
7735 * extend.texi: Add description for AVR specific attributes.
7737 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7739 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7741 2000-02-16 Nick Clifton <nickc@cygnus.com>
7743 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7744 (make_insn_raw): Move RTL check here.
7746 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7748 * version.c: Include gansidecl.h and version.h.
7750 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7752 * configure.in (gcc_version): When setting, narrow search to
7753 lines containing `version_string'.
7755 * Makefile.in (mainversion): Likewise.
7756 (GCC_H): New variable.
7757 (gcc.h): Delete target.
7758 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7759 (version.o): Depend on version.h.
7760 (dbxout.o): Don't depend on gcc.h.
7762 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7763 Michael Meissner <meissner@cygnus.com>
7765 * md.texi (Simple Constraints): Add item about whitespace.
7766 * genoutput.c (strip_whitespace): New.
7767 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7768 strip_whitespace for constraints.
7769 Test pointer using NULL, not 0.
7771 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7773 * cpplib.c (do_line): Pedwarn for #line > 32767.
7775 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7777 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7779 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7780 to default cpp spec.
7781 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7782 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7785 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7788 2000-02-15 Denis Chertykov <denisc@overta.ru>
7790 * configure.in: Add support for avr target.
7792 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7794 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7795 (sh_addr_diff_vec_mode): Don't declare.
7796 * sh.c (sh_addr_diff_vec_mode): Delete.
7798 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7800 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7802 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7804 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7805 (smulsi3_highpart_i): Name.
7806 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7807 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7808 (smulsi3_highpart, umulsi3_highpart): Likewise.
7810 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7811 correctly independent of endianness.
7812 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7813 confuse the optimizers.
7814 (mulsidi3+1, umulsidi3+1): New define_split.
7816 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7818 * config/sh/sh.md: Guard insn splits against illegal registers.
7819 * config/sh/sh.h: Correct comment about macros.
7821 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7822 Andrew MacLeod <amacleod@cygnus.com>
7824 * Makefile.in (lcm.o): Depend on insn-attr.h.
7825 * basic-block.h (optimize_mode_switching): Declare.
7826 * lcm.c (tm_p.h, insn-attr.h): #include.
7827 (seginfo, bb_info): New structs.
7828 (antic, transp, comp, delete, insert) : New file-scope static variables.
7829 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7830 (reg_becomes_live, optimize_mode_switching): Likewise.
7831 * tm.texi: Add description of mode switching macros.
7832 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7834 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7835 (fldi_ok, fpscr_set_from_mem): New prototypes.
7836 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7837 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7838 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7839 (sh_flag_remove_dead_before_cse): Remove declaration.
7840 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7841 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7842 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7843 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7844 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7845 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7846 (fldi_ok): New function.
7847 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7848 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7849 (emit_df_insn): Likewise.
7850 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7851 (sh_flag_remove_dead_before_cse): Delete.
7852 (get_free_reg, fpscr_set_from_mem): New functions.
7853 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7854 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7856 2000-02-15 Loren Rittle <ljrittle@acm.org>
7858 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7860 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7862 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7863 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7865 * cccp.c: Include version.h and/or don't declare `version_string'.
7866 * collect2.c: Likewise.
7867 * alpha.c: Likewise.
7868 * arm/aof.h: Likewise.
7869 * arm/coff.h: Likewise.
7870 * arm/elf.h: Likewise.
7871 * arm/pe.h: Likewise.
7872 * arm/tcoff.h: Likewise.
7873 * arm/telf.h: Likewise.
7874 * arm/tpe.h: Likewise.
7875 * arm/vxarm.h: Likewise.
7876 * convex/convex.c: Likewise.
7877 * i386/dgux.c: Likewise.
7878 * i386/sun386.h: Likewise.
7879 * m88k/m88k.c: Likewise.
7880 * mcore/mcore-pe.h: Likewise.
7881 * mips/mips.h: Likewise.
7882 * romp/romp.h: Likewise.
7883 * sh/sh.c: Likewise.
7884 * cpphash.c: Likewise.
7885 * cppinit.c: Likewise.
7886 * dwarf2out.c: Likewise.
7887 * dwarfout.c: Likewise.
7890 * mips-tfile.c: Likewise.
7891 * protoize.c: Likewise.
7892 * toplev.c: Likewise.
7895 * version.c (version_string): Constify a char*.
7897 * version.h: New file.
7899 2000-02-14 Nick Clifton <nickc@cygnus.com>
7901 * configure.in: Add mcore-elf and mcore-pe targets.
7902 * configure: Regenerate.
7904 * NEWS: Add note that MCore port has been contributed.
7906 * invoke.texi: Document command line switches for MCore port.
7907 * install.texi: Add MCore to list of supported targets.
7909 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7911 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7912 then we will need to import the frame handling functions.
7913 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7914 to import the frames themselves.
7916 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7917 Jason Eckhardt <jle@cygnus.com>
7919 * basic_block.h: Added prototype for reorder_basic_blocks.
7920 * toplev.c: Changes to add -freorder-blocks and graph dump after
7921 block reordering is done.
7922 * flow.c (reorder_block_def): New structure for use during block
7924 (REORDER_BLOCK_*): New macros to access members of above structure.
7925 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7926 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7927 functions for block reordering.
7929 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7931 * gcc.texi (Passes): Fix typo.
7932 * md.texi (Standard Names): Ditto.
7933 * tm.texi (Storage Layout): Ditto.
7935 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7937 * cpplib.c (do_define): Only free the old definition if it
7940 2000-02-13 Neil Booth <NeilB@earthling.net>
7942 * cppfiles.c (read_and_prescan): When emitting deferred
7943 newlines, test speccase[] again instead of checking each
7944 possible whitespace character in turn. When we encounter \r,
7945 look behind for \n first, then ahead.
7947 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7949 * cse.c (cse_altered): New internal flag.
7950 (cse_insn): Set it if we changed an insn.
7951 (cse_main): Clear cse_altered before each basic block.
7952 Only garbage collect if cse_altered is true afterward.
7954 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7956 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
7958 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
7960 * combine.c (simplify_comparison): Fix typo.
7962 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
7964 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
7967 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7969 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
7970 previously inserted node instead of root node. Caller changed.
7972 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7974 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
7976 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7978 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
7979 __dereg_frame_dtor): Add prototype argument.
7981 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
7983 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
7985 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
7987 * gthr-vxworks.h (__gthread_once): Likewise.
7989 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
7991 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
7993 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
7994 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
7995 stack pointer in functions w/o saved registers, output LEAVE more often
7996 on TARGET_USE_LEAVE machines.
7998 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8000 * config/arm/arm.c (arm_init_cumulative_args); New function:
8001 Initlaise the CUMULATIE_ARGS strcuture for a function
8003 (arm_function_arg): New function: Determine where to place a
8004 function's argument. Also handles deciding the function's
8006 (current_file_function_operand): New function: Return true if
8007 the symbol is a function which has already been compiled.
8008 (arm_is_long_call_p): New function: Return true if the
8009 indicated function should be called via a long call.
8010 (arm_valid_type_attribute_p): New function: Return true if the
8011 attribute is a valid, arm specific, attribute.
8012 (arm_comp_type_attribute): New function: Return true if the
8013 two types have compatable, arm specific, attributes.
8015 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8017 (FUNCTION_ARG): Redefine to call arm_function_arg.
8018 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8020 (INIT_CUMULATIVE_ARGS): Redefine to call
8021 arm_init_cumulative_args.
8022 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8024 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8026 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8028 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8029 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8030 (COMP_TYPE_ATTRIBUTES): Define.
8032 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8033 if a long call is needed.
8034 (call_value): Call arm_is_long_call_p to decide if a long call
8036 (call_symbol): Call arm_is_long_call_p to decide if a long call
8039 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8041 2000-02-11 Denis Chertykov <denisc@overta.ru>
8043 * README.AVR: New file with information about the avr ports.
8044 * config/avr: New directory with avr port files.
8046 2000-02-11 Andreas Jaeger <aj@suse.de>
8048 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8050 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8052 * cpphash.c: Fix formatting, update commentary.
8053 (dump_definition): Take three separate arguments instead of a
8054 MACRODEF structure argument.
8055 * cpphash.h: Update prototype of dump_definition.
8056 * cppinit.c (cpp_finish): Update call of dump_definition.
8058 * cpplib.c (do_define): Always create new hash entry with
8059 T_MACRO type. Remove redundant check for redefinition of
8060 poisoned identifier. Update call of dump_definition.
8061 (do_undef): Don't call check_macro_name. Rename sym_length to
8063 (do_error, do_warning): Don't use copy_rest_of_line or
8065 (do_warning): Don't use pedwarn for the actual warning,
8066 only the notice about its not being in the standard. (Fixes
8067 bug with #warning in system headers.)
8068 (do_ident): Stricter argument checking - accept only a single
8069 string after #ident. Also, macro-expand the line.
8070 (do_xifdef): Use cpp_defined. De-obfuscate.
8072 (do_pragma): Split out specific pragma handling to separate
8073 functions. Use get_directive_token. Update commentary. Do
8074 not pass on #pragma once or #pragma poison to the front end.
8075 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8076 do_pragma_default): New.
8078 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8080 * jump.c (jump_optimize_1): The first operand in a relational
8082 * optabs.c (emit_conditional_move): Handle relationals which
8083 have a known true/false result.
8085 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8087 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8088 a RETURN insn into a block which already ends with a jump.
8090 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8092 * haifa-sched.c (BUF_LEN): Increase a lot.
8094 2000-02-11 Nick Clifton <nickc@cygnus.com>
8096 * configure.in: Add tm_p_file specification for thumb targets.
8097 * configure: Regenerate.
8099 * config/arm/thumb-protos.h: New file: Prototypes for exported
8100 functions defined in thumb.c.
8102 2000-02-11 Robert Lipe <robertl@sco.com>
8104 * Makefile.in (bootstrap-lean): Remove additional files.
8105 (bootstrap2-lean): Likewise.
8106 (VOL_FILES): List of files for above.
8108 2000-02-11 Nathan Sidwell <nathan@acm.org>
8110 * cpphash.c (special_symbol): Remove spurious argument to
8113 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8115 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8117 * configure: Rebuilt.
8119 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8121 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8123 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8125 * pa.c, pa.h: Remove trigraph sequences within comments.
8127 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8129 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8131 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8133 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8135 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8137 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8139 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8141 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8142 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8143 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8144 (ASM_FILE_END): Use c4x_file_end.
8145 * config/c4x/c4x.c (c4x_global_label): New function.
8146 (c4x_external_ref, c4x_file_end): Likewise.
8148 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8149 (c4x_external_ref, c4x_end_file): Likewise.
8151 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8153 * cppexp.c: Don't include cpphash.h.
8154 (parse_charconst, cpp_lex): Use cpp_defined.
8155 (cpp_lex): Use get_directive_token throughout. Remove
8156 unnecessary cases from switch. Move assertion-handling code
8158 (cpp_parse_expr): If we see '+' or '-', check the context to
8159 determine if they are unary or binary operators. Streamline
8160 the jumps a bit. Do not call skip_rest_of_line.
8162 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8163 static. Export get_directive_token. Update commentary.
8164 (cpp_defined): New function.
8165 (do_define): Remove reference to T_PCSTRING. Call
8166 free_definition to release memory for old definition, when
8168 (eval_if_expression): Set only_seen_white to 0 before calling
8169 cpp_parse_expr. Call skip_rest_of_line after it returns.
8170 (cpp_read_check_assertion): Don't preserve a pointer into the
8171 token buffer across a call to cpp_get_token.
8173 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8174 * cppfiles.c (redundant_include_p): Use cpp_defined.
8175 * cpphash.c (free_definition): New function.
8176 (delete_macro): Use it. Update commentary.
8177 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8179 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8180 from enum node_type. Prototype cpp_defined and get_directive_token.
8181 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8183 * fix-header.c (check_macro_names): Use cpp_defined.
8184 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8185 the options structure.
8187 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8189 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8191 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8193 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8194 rather than die->die_tag.
8196 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8198 * combine.c (make_extraction, force_to_mode): Avoid warning on
8199 mixed-signedness conditionals.
8200 (make_field_assignment, nonzero_bits): Likewise.
8201 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8202 (store_split_bit_field, extract_split_bit_field): Likewise.
8203 (extract_fixed_bit_field, store_bit_field,
8204 * expr.c: Change alignment to be unsigned everywhere.
8205 (move_by_pieces, store_constructor_field, store_constructor):
8206 Alignment parm is unsigned.
8207 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8208 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8209 (do_compare_rtx_and_jump): Likewise.
8210 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8211 Compare align with GET_MODE_ALIGNMENT.
8212 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8213 (get_inner_reference): Likewise.
8214 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8215 (expand_assignment): Local vars for alignment now unsigned.
8216 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8217 (do_compare_and_jump): Likewise.
8218 (store_field): Call new function expr_align.
8219 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8220 Alignment arg now unsigned.
8221 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8222 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8223 (extract_bit_field): Likewise.
8224 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8225 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8226 (get_best_mode): Alignment arg is unsigned.
8227 * rtl.h (move_by_pieces): Likewise.
8228 * store-layout.c (maximum_field_alignment, set_alignment):
8230 (layout_decl): Alignment arg is now unsigned.
8231 Remove unneeded casts.
8232 (layout_record, layout_union, layout_type): Remove unneeded casts.
8233 Local alignment variables now unsigned.
8234 (get_best_mode): Alignment arg now unsigned.
8235 * tree.c (expr_align): New function.
8236 * tree.h (expr_align): Likewise.
8237 (maximum_field_alignment, set_alignment): Now unsigned.
8238 (get_inner_reference): Alignment argument is now pointer to unsigned.
8239 * varasm.c (assemble_variable): Add cast to eliminate warning.
8241 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8243 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8244 then store directly into op0.
8246 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8247 the CALL_INSN, and emit the note immediately after it.
8249 2000-02-10 Nick Clifton <nickc@cygnus.com>
8251 * config/arm/thumb.md (epilogue): Include a (return) in the
8252 generated insn, and emit it using emit_jump_insn not
8255 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8257 * function.c (assign_temp): Change zero-sized arrays to size 1.
8258 * integrate.c (expand_inline_function): Do not update
8259 stack_alignment_needed
8260 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8261 add some sanity checking, remove optimization for function with
8264 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8266 * flow.c (mark_regs_live_at_end): Delete unused variables.
8268 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8270 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8271 in macro FRAME_GROWS_DOWNWARD.
8273 * stmt.c (expand_end_bindings): Delete unused variable.
8275 * unroll.c (iteration_info): Mark parameter `loop' with
8278 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8280 * fixinc/server.c (load_data): Return NULL if the marker line is
8282 (run_shell): If load_data returns NULL, retry the command once, in
8285 * configure: Rebuilt.
8287 2000-02-09 Bruce Korb <bkorb@gnu.org>
8289 * gcc/fixincludes: ** DELETED **
8290 * gcc/fixcpp: ** DELETED **
8291 * gcc/fixinc-nt.sed: ** DELETED **
8292 * gcc/just-fixinc: ** DELETED **
8293 * gcc/Makefile.in: Removed out-dated commentary
8294 * gcc/configure.in: Removed fast-fixincludes disablement.
8295 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8297 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8298 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8301 2000-02-09 Richard Henderson <rth@cygnus.com>
8303 * jump.c (delete_insn): Don't delete user labels at -O0.
8305 2000-02-09 Robert Lipe <robertl@sco.com>
8307 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8308 Don't link with HOST_LIBS.
8310 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8312 * configure.in: Correct --help text for --with-dwarf2.
8313 Put tm-dwarf2.h after other tm files, if it's requested.
8314 * configure: Regenerate.
8315 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8318 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8320 * cpplib.h: Provide HASHNODE typedef and forward decl of
8321 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8322 DEFINITION, struct hashnode, struct macrodef, struct
8323 definition, scan_decls prototype, default defn of
8324 INCLUDE_LEN_FUDGE moved elsewhere.
8326 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8327 definition, and struct hashnode moved here. Remove the unused
8328 'predefined' field from struct definition. Replace the 'args'
8329 union with its sole member. All users updated (cpphash.c).
8330 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8331 multiple include guard.
8333 * cpphash.c (hashf): Make static; use better algorithm; drop
8334 HASHSIZE parameter; return an unsigned int.
8335 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8336 used. Calculate HASHSIZE modulus here.
8337 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8339 (create_definition): Drop PREDEFINITION parameter.
8340 * cpplib.c (do_define): Don't calculate a hash value here.
8341 Don't pass (keyword == NULL) to create_definition.
8343 * scan.h: Prototype scan_decls here.
8344 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8345 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8346 callers of cpp_lookup and cpp_install updated.
8348 * cpphash.c (macarg): Hoist all the flag diddling out of the
8350 (macroexpand): ... and out of the loop that calls macarg.
8351 Skip over the initial paren before macro arguments with
8352 cpp_get_non_space_token; point may be some distance before
8353 that paren. Abort if it's not there.
8355 * cpplib.c (parse_clear_mark): Delete function.
8356 (parse_set_mark, parse_goto_mark): Make static.
8357 (ACTIVE_MARK_P): New macro.
8358 (skip_block_comment, skip_line_comment): Do not bump the line
8359 if ACTIVE_MARK_P is true.
8360 (cpp_pop_buffer): The buffer to be popped may not have an
8362 (cpp_get_token): When looking for the initial paren before
8363 macro arguments, only set a mark in a file buffer, Always
8364 return to that mark before proceeding to call macroexpand or
8365 return a NAME token.
8367 * cpplib.h: Remove prototypes of parse_set_mark,
8368 parse_clear_mark, parse_goto_mark.
8369 (struct cpp_options): Rename 'put_out_comments' to
8370 'discard_comments' and invert its sense.
8371 * cppinit.c, cpphash.c, cpplib.c: All users of
8372 put_out_comments changed to use discard_comments, with
8375 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8377 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8378 the edge from a block that both jumps and falls through to the
8381 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8383 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8384 constant source address is legitimate.
8386 2000-02-09 Philip Blundell <pb@futuretv.com>
8388 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8391 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8393 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8395 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8397 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8398 ends with a newline and a NUL. Don't be so clever manipulating
8401 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8403 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8404 not to BIGGEST_ALIGNMENT.
8406 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8408 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8409 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8410 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8411 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8412 * frame.c (execute_cfa_insn): Handle
8413 DW_CFA_GNU_negative_offset_extended.
8415 2000-02-08 Richard Henderson <rth@cygnus.com>
8417 * flow.c (tidy_fallthru_edges): Split out from ...
8418 (delete_unreachable_blocks): ... here.
8419 (find_basic_blocks): Use it.
8421 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8423 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8425 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8427 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8428 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8429 (fix-header.o): Don't depend on cpphash.h.
8431 * scan.c (hashstr): New function.
8432 * scan.h: Prototype it.
8433 * fix-header.c: Don't include cpphash.h. Use hashstr.
8434 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8435 hashstr. Report hash table statistics. Add private
8436 definition of xrealloc.
8438 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8440 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8442 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8444 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8445 jumps with returns unless they are jumps to the fallthru block.
8447 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8449 * i386.md (addqi3_cc): Fix contraints.
8451 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8453 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8455 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8457 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8458 carriage return after a macro name.
8460 2000-02-07 Fred Fish <fnf@be.com>
8462 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8463 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8465 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8467 * cppfiles.c (deps_output): Count spacers in deps_column.
8469 2000-02-07 Neil Booth <NeilB@earthling.net>
8471 * cppinit.c (initialize_dependency_output): If there is no
8472 suffix, don't try to look for known suffixes. Use strrchr.
8473 (cpp_start_read): Remove duplicate initialization.
8475 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8477 * calls.c (compute_argument_block_size): New argument
8478 preferred_stack_boundary.
8479 (expand_call): update cfun->preferred_stack_boundary, update call of
8480 compute_argument_block_size
8481 (emit_library_call): Increate cfun->preferred_stack_boundary
8482 to PREFERRED_STACK_BOUNDARY
8483 (emit_library_call_value): Likewise.
8484 * explow.c (allocate_dynamic_stack_spave): Likewise.
8485 * function.c (prepare_function_start): Set
8486 cfun->preferred_stack_boundary
8487 * function.h (struct function): Add preferred_stack_boundary field.
8488 * integrate.c (expand_inline_function): Update
8489 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8490 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8491 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8493 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8495 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8496 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8497 cpp_pedwarn, cpp_pedwarn_with_line,
8498 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8499 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8500 v_cpp_error_with_line, v_cpp_warning_with_line,
8501 cpp_message_from_errno, cpp_perror_with_name): Delete.
8503 * cpperror.c (cpp_print_containing_files): Take starting
8505 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8506 (v_cpp_message): Now called directly by all entry points.
8508 (cpp_pfatal_with_name, cpp_message): Delete.
8509 (cpp_notice_from_errno, cpp_ice): New functions.
8510 (cpp_notice): Is now for reporting error conditions, just
8511 without an associated file.
8512 (cpp_error, cpp_error_with_line): Don't do anything if
8513 opts->inhibit_errors is on.
8514 (cpp_pedwarn_with_file_and_line): Take column argument also.
8516 * cpplib.h: Update prototypes of exported functions.
8517 (struct cpp_options): Add inhibit_errors.
8519 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8520 non-error messages. Include intl.h.
8522 * cppinit.c, cppmain.c: Likewise. Also, use
8523 cpp_notice_from_errno instead of cpp_perror_with_name or
8524 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8526 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8527 report internal errors.
8529 * cpplib.c (do_define): Switch bcopy to memcpy.
8530 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8532 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8533 bail out early if we hit a line comment.
8535 2000-02-06 Richard Henderson <rth@cygnus.com>
8537 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8538 * basic-block.h: Declare them.
8539 * emit-rtl.h (active_insn_p): New.
8540 (next_active_insn, prev_active_insn): Use it.
8541 * rtl.h: Declare it.
8542 * function.c (emit_return_into_block): New.
8543 (thread_prologue_and_epilogue_insns): Insert return insns instead
8544 of epilogues when possible.
8545 * jump.c (jump_optimize_1): Remove code to insert a return insn
8546 on the fallthru to the exit block.
8548 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8549 and for non-empty stack frames.
8550 * i386.md (return): Expand to return-pop as needed.
8552 2000-02-06 Richard Henderson <rth@cygnus.com>
8554 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8555 constant to op1 for testing.
8557 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8559 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8560 (fixuns_truncqfqi2): Use it.
8562 2000-02-06 Richard Henderson <rth@cygnus.com>
8564 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8567 * i386.md (widening and peepholes): Mask the constant instead of
8570 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8572 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8573 input pointer before possibly branching off to the backslash
8575 * cpphash.c (macroexpand): Correctly delete \r escapes when
8576 stringifying parameters.
8577 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8578 if we can; bail out early if we hit a line comment.
8579 (handle_directive): Treat '# 123' in an .S file just like
8580 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8581 Return 1 for '# not_a_directive'.
8582 (get_directive_token): Pop macro buffers here, so that
8583 cpp_get_token can't sneakily move past a newline.
8585 (cpp_get_token): goto randomchar if handle_directive returns 0.
8587 * cppalloc.c: Update copyright.
8588 * cpplib.c: Merge all the static function prototypes into one
8590 * cpplib.h: Remove #if 0 block.
8592 * cpperror.c: Remove #ifdef EMACS block.
8593 * cppmain.c: Likewise.
8594 * cpphash.c: Remove #if 0 blocks.
8595 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8596 * cpplib.c: Remove #if 0 blocks and code referencing
8597 pcp_inside_if or for_lint. Remove duplicate error message.
8598 Fix error messages for #else after #else or #elif. Reformat.
8599 Remove archaic TODO list.
8600 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8602 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8604 * i386/osf1elf.h: Add missing backslash to multiline string.
8606 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8608 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8610 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8612 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8614 * c-common.c: Include expr.h.
8616 * c-pragma.c (mark_align_stack): Add prototype.
8618 * caller-save.c (add_stored_regs): Likewise.
8620 * combine.c (record_promoted_value): Likewise.
8622 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8625 * cppinit.c (new_pending_define): Likewise.
8627 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8629 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8630 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8631 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8632 class_scope_p): Likewise.
8634 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8635 dwarf2out_add_library_unit_info): Likewise.
8637 * ggc.h (ggc_page_print_statistics): Likewise.
8639 * haifa-sched.c (propagate_deps): Likewise.
8641 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8643 * rtl.h (set_stack_check_libfunc): Likewise.
8645 * toplev.h (set_fatal_function): Likewise.
8647 * toplev.c (set_fatal_function): Delete prototype.
8649 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8651 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8653 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8654 (FUNC_END): Likewise.
8656 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8658 * caller-save.c: Include tm_p.h.
8660 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8662 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8664 2000-02-04 Neil Booth <NeilB@earthling.net>
8666 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8669 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8671 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8672 * genflags.c: Use the max_operand_1 logic from genemit.c to
8673 calculate how many arguments gen_insn prototypes have. Remove
8674 NO_MD_PROTOTYPES ifdefs from the generated file.
8675 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8676 file. Cast gen_insn initializers to insn_gen_fn.
8677 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8678 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8680 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8682 * fixinc/Makefile.in (HDR): Add machname.h.
8685 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8687 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8688 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8689 (c4x_cpu_version): Ditto.
8690 * config/c4x/c4x-protos.h: ... here.
8692 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8694 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8695 gen_abstract_function on our context if we're a nested function.
8697 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8699 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8700 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8702 2000-02-04 Bruce Korb <bkorb@gnu.org>
8704 * fixinc/genfixes(machname.h):
8705 Move the functionality from gen-machine.h into this file.
8706 UNdef MN_NAME_PAT if there are no names to change.
8707 Also, be a little kinder when AutoGen is not present.
8709 * fixinc/Makefile.in(machname.h):
8710 Change the generation rule to use genfixes.
8712 * fixinc/fixfixes.c(machine_name):
8713 machine_name_fix's functionality now dependent upon whether
8714 MN_NAME_PAT is defined.
8716 * fixinc/fixtests.c(machine_name):
8719 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8722 * fixinc/fixlib.h(mn_get_regexps):
8725 * fixinc/gen-machine.h: DELETED
8727 2000-02-04 Jan Hubicka <jh@suse.cz>
8728 Richard Henderson <rth@cygnus.com>
8730 * i386.c (SAVE_REGS_FIRST): Remove.
8731 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8732 (ix86_compute_frame_size): Likewise.
8733 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8734 (ix86_emit_restore_regs): Remove.
8735 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8736 when a frame pointer is in use.
8737 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8738 instead of pop to restore a register when profitable; emit leave
8740 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8742 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8743 * i386.md (prologue_allocate_stack): Remove.
8744 (epilogue_deallocate_stack): Remove.
8745 (pro_epilogue_adjust_stack): New.
8747 2000-02-04 Richard Henderson <rth@cygnus.com>
8749 * function.c (diddle_return_value): Rework to use a callback function.
8750 Use current_function_return_rtx if it's been set up.
8751 (do_clobber_return_reg, clobber_return_register): New.
8752 (do_use_return_reg, use_return_register): New.
8753 (expand_function_end): Use them.
8754 * stmt.c (expand_null_return): Likewise.
8755 * function.h: Declare them.
8756 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8757 (mark_reg): Change arguments as appropriate for callback.
8758 * integrate.c (expand_inline_function): Revert 19 Jan change.
8760 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8762 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8763 (Misc): Say the scheduler, not the Haifa scheduler.
8765 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8767 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8768 when in_mem is set. Update all callers.
8770 2000-02-04 Richard Henderson <rth@cygnus.com>
8772 * i386/openbsd.h (INT_ASM_OP): Define.
8774 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8776 * tm.texi: Fix various typos.
8778 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8780 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8781 (MD_STARTFILE_PREFIX_1): New macro.
8783 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8785 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8786 destination when needed.
8787 (strmovsi, strsetsi): New expander.
8788 (strmovsi_1, strsetsi_1): New pattern.
8789 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8790 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8791 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8792 * invoke.texi (align-stringops, inline-all-stringops): Document.
8794 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8796 * i386/netbsd.h (INT_ASM_OP): Define.
8798 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8800 * cpplib.h (cpp_reader): Add new flag, no_directives.
8801 * cpphash.c (macarg): Set it.
8802 * cpplib.c (handle_directive): If no_directives is on and we
8803 find a directive, issue an error and discard the line.
8805 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8807 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8808 FP constants. Add ! TARGET_FPU check for FP constants.
8810 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8812 * flow.c (find_basic_blocks): Don't kill label_value_list
8814 (cleanup_cfg): Kill it here.
8816 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8818 * expr.c (store_field): Ensure ALIGN is no stricter than the
8821 2000-02-02 Richard Henderson <rth@cygnus.com>
8823 * jump.c (delete_insn): Partially revert 19 Jan change;
8824 don't convert unused code labels to notes at -O0.
8826 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8828 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8829 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8831 2000-02-01 Richard Henderson <rth@cygnus.com>
8833 * i386.c (general_no_elim_operand): New.
8834 (nonmemory_no_elim_operand): New.
8835 (ix86_expand_move): Copy eliminable operands before a push.
8836 * i386-protos.h: Declare new functions.
8837 * i386.h (CAN_ELIMINATE): Simplify.
8838 (PREDICATE_CODES): Update.
8839 * i386.md (push insns): Don't allow eliminable register operands.
8841 2000-02-01 Richard Henderson <rth@cygnus.com>
8843 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8844 replace BLKmode with DECL_RTL's mode.
8846 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8848 * frame.c (find_fde): Convert for loop to do-while so compiler
8849 sees it's always executed at least once.
8850 * libgcc2.c (BBINBUFSIZE): Kill.
8851 (__bb_init_prg): Use fgets.
8852 (__bb_exit_trace_func): Don't paste strings.
8853 * unroll.c (unroll_loop): Initialize unroll_type, not
8854 unroll_number, and tweak logic to match.
8856 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8858 (ix86_flags_dependant): Likewise. Disentangle control flow.
8859 (ix86_sched_reorder): Break guts out to
8860 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8861 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8864 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8865 use string concatenation. Don't save and restore esi.
8867 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8868 (machname.h): Remove script to separate file. Use two-step
8869 sequence so target is not created if script fails.
8870 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8871 identifiers are defined.
8872 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8873 an empty string, machine_name doesn't need to do anything at
8875 (is_cxx_header): Add more cases to regexp.
8876 * fixinc/fixlib.h: Update prototype.
8877 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8879 * fixinc/fixincl.c: Define NO_BOGOSITY.
8881 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8882 (hp_sysfile): Add missing comma.
8883 (math_exception): Put the wrapper ifdefs at the beginning and
8884 the end of the file.
8885 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8887 2000-02-01 Richard Henderson <rth@cygnus.com>
8889 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8890 Use CONST0_RTX. Update all callers.
8891 * sparc.h, sparc-protos.h: Update accordingly.
8892 * sparc.md (fp mov insns): Use fp_zero_operand directly
8895 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8897 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8900 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8902 * Makefile.in (specs.ready): New target.
8903 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8905 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8907 * fixinc.irix: Use unique filenames for writing into /tmp,
8908 * fixinc.ptx: Likewise.
8909 * fixinc.sco: Likewise.
8910 * fixinc.svr4: Likewise.
8911 * fixinc.winnt: Likewise.
8913 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8915 * tsystem.h: New file.
8917 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8918 s-crtS): Depend on tsystem.h.
8920 * crtstuff.c: Include tsystem.h.
8921 * frame.c: Likewise.
8922 * libgcc2.c: Likewise.
8924 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8926 * builtins.c (expand_builtin_memset): Expand for variable sized
8929 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8931 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8934 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8936 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8938 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8940 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8942 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8943 case 3->2 combining (combining with splitting) in which 2 is CC0
8944 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8945 checked at the begining of the function with the aid of calling
8946 function 'can_combine_p'.
8948 2000-01-31 Dave Brolley <brolley@redhat.com>
8950 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
8952 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
8954 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
8957 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8959 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
8961 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
8964 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8966 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
8967 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
8968 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
8969 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
8970 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
8971 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
8972 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
8973 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
8974 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
8975 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
8977 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
8978 Add %(cpp_cpu) to CPP_SPEC.
8980 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
8981 Add %(cc1_cpu) to CC1_SPEC.
8983 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8985 * c-decl.c (c_decode_option): Accept optional numeric argument to
8986 -Wformat and set warn_format.
8987 * c-common.c: Don't emit warning about non-constant printf format
8988 string unless warn_format > 1.
8990 2000-01-30 Richard Henderson <rth@cygnus.com>
8992 * alpha.md (return_internal): Allow after reload only.
8994 2000-01-30 Richard Henderson <rth@cygnus.com>
8996 * i386.c (ix86_compute_frame_size): Omit padding1 if the
8997 local frame size is zero.
8999 2000-01-30 Richard Henderson <rth@cygnus.com>
9001 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9002 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9003 * alpha.md (return): Turn into an expander.
9004 (return_internal): Don't use $26.
9005 (epilogue): Emit the return insn.
9007 2000-01-30 Richard Henderson <rth@cygnus.com>
9009 * alpha.md (negtf2, abstf2): Fix word order thinko.
9011 (trunctfsf2): Avoid intermediate rounding errors.
9013 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9015 * cppfiles.c (find_position): Drop 'colp' argument, return the
9017 (read_and_prescan): Adjust to match. Don't ever manipulate
9018 line or line_base except via find_position.
9020 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9022 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9023 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9026 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9028 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9029 just print "<command line>". If 'filename' is null or an
9030 empty string, print "<stdin>" for the filename.
9031 * cpplib.c (do_define): Don't print the 'location of the
9032 previous definition' message if we're still parsing the
9034 (cpp_pedwarn_with_file_and_line): Always call
9035 cpp_file_line_for_message.
9037 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9039 * flow.c (mark_regs_live_at_end): Fix typo.
9041 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9043 * c-common.c: Adjust variable names, comments, help strings to c99.
9044 * c-lex.c: Likewise.
9045 * c-parse.y: Likewise.
9046 * c-tree.h: Likewise.
9048 * cpplib.h: Likewise.
9049 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9050 * cppinit.c: Likewise.
9052 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9054 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9055 * c4x.c: Define the optab rtx values.
9056 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9057 (c4x_emit_libcall): Use new optab rtx values.
9058 (c4x_emit_libcall3): Likewise.
9059 (c4x_emit_libcall_mulhi): Likewise.
9060 * c4x-protos.h: Add prototypes for optab rtx values and change
9061 prototypes for above c4x_emit_libcall functions.
9063 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9065 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9067 (c4x_function_prologue): Use regnames intead of float_reg_names when
9069 (c4x_function_epilogue): Likewise.
9070 (c4x_print_operand): Likewise.
9071 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9072 * c4x.md (set_high): Disable for TARGET_TI.
9074 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9076 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9077 of framepointer + constant to ADDR_REGS class.
9078 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9079 * c4x.c (std_or_reg_operand): New function.
9080 * c4x-protos.h (std_or_reg_operand): Prototype it.
9082 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9084 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9085 object names as libgcc2.c.
9086 * libgcc.S: Use newly defined names.
9088 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9089 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9091 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9092 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9093 (FLOW_LOOP_LAST_BLOCK): Likewise.
9095 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9097 * basic-block.h (struct loop): New fields 'first' and 'last'.
9098 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9099 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9100 and loop->last to check for NOTE_INSN_LOOP_END.
9102 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9104 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9105 of the loop descriptor rather than HEADER and LATCH. Also added
9106 missing break statements as well making some coding style modifications
9107 as suggested by Michael Hayes.
9109 2000-01-28 Richard Henderson <rth@cygnus.com>
9111 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9112 Break out that code ...
9113 (cleanup_cfg): ... here.
9114 (commit_one_edge_insertion): Detect a return instruction being
9115 emitted to an edge. Emit a barrier following; clear fallthru.
9116 (commit_edge_insertions): Verify CFG consistency.
9117 * function.c (expand_function_start): Kill unused variable.
9118 (expand_function_end): Likewise.
9119 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9120 to insert the epilogue.
9122 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9123 (delete_null_pointer_checks): Likewise.
9124 * output.h: Likewise.
9125 * reg-stack.c (reg_to_stack): Likewise.
9126 * toplev.c (rest_of_compilation): Likewise. Run
9127 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9129 2000-01-28 Richard Henderson <rth@cygnus.com>
9131 * Makefile.in (flow.o): Revert 24 Jan change.
9132 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9133 FUNCTION_VALUE result to DECL_RESULT's mode.
9135 * haifa-sched.c (schedule_insns): Don't recompute reg info
9138 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9140 * configure.in: Make --enable-cpplib the default.
9141 * configure: Regenerate.
9142 * gcc.dg/990119-1.c: No longer expected to fail.
9144 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9146 * jump.c (jump_optimize_1): Delete an optimization that is also done
9147 by merge_blocks in flow.
9149 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9151 * diagnostic.c (build_message_string, output_printf,
9152 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9153 (build_location_prefix): Fix non-literal format string.
9155 2000-01-27 Richard Henderson <rth@cygnus.com>
9157 * alpha.md (trunctfsf2): New.
9159 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9161 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9163 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9165 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9167 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9169 (skip_comment) ... here. Permit C++ comments in system
9170 headers always. Warn about C++ comments in user code under
9171 -std=gnu89 -pedantic.
9172 (copy_comment): Use skip_comment.
9173 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9175 (consider_directive_while_skipping, do_else, do_endif): Call
9176 validate_else unconditionally.
9177 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9178 text after the conditional in a system header.
9179 * cpplib.h (struct cpp_buffer): Add flag
9180 warned_cplusplus_comments.
9182 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9184 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9185 Use unshare_all_rtl_1.
9186 (unshare_all_rtl_again): New function.
9187 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9189 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9190 rather than resetting the 'used' flags ourself.
9192 * toplev.c (rest_of_compilation): Add current_function_decl
9193 to the unshare_all_rtl call.
9194 * tree.h: Prototype unshare_all_rtl.
9195 * rtl.h: Prototype unshare_all_rtl_again here.
9197 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9199 * genoutput.c (output_prologue): Include ggc.h in generated
9201 * Makefile.in (insn-output.o): Depends on ggc.h.
9203 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9204 Hans-Peter Nilsson <hp@bitrange.com>
9206 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9207 Remove redundant include of xm-ns32k.h.
9208 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9209 Remove redundant include of xm-ns32k.h.
9210 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9211 Remove redundant include of xm-ns32k.h.
9212 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9214 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9215 (TARGET_SWITCHES): Add documentation strings.
9216 (DWARF_FRAME_REGNUM): Override default definition.
9217 (REG_CLASS_CONTENTS): Add comments.
9218 (SUBSET_P): Format to reduce line length.
9219 (SMALL_REGISTER_CLASSES): Make a run time option.
9220 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9221 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9222 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9223 (regclass_map): fix typo in comment.
9224 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9225 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9226 (trace, reg_or_mem_operand): Delete, unused function.
9227 (calc_address_cost): Small offsets are cheaper than large ones.
9228 (expand_block_move): Generate more efficient code when bytes is a
9229 known at compile time.
9230 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9231 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9232 instead of reg_or_mem_operand.
9234 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9235 not general_operand. Similarly use "=rm" or stricter, not "=g".
9236 For input operands, use stricter constraints than "g" if not
9237 general_operand. Similarly use stricter predicate than
9238 "general_operand" when stricter constraints than "g" are present,
9239 except for matching constraints.
9240 (movstrsi): Use "memory_operand" for operands 0 and 1.
9241 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9242 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9243 not reg_or_mem_operand.
9244 (udivmoddisi4): Ditto.
9245 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9246 Use nonimmediate_operand for operand 3, not register_operand.
9247 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9250 2000-01-27 Fred Fish <fnf@be.com>
9252 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9253 * gthr-single.h: Likewise.
9254 * gthr-solaris.h: Likewise.
9255 * gthr-vxworks.h: Likewise.
9256 * gthr-win32.h: Likewise.
9259 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9261 * cppinit.c: Add " (cpplib)" to end of string printed by
9264 2000-01-27 Richard Henderson <rth@cygnus.com>
9266 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9267 testing for a signed comparison.
9268 (alpha_emit_floatuns): New.
9269 * alpha-protos.h: Declare it.
9270 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9271 (extendsfdf2): Tidy.
9273 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9275 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9276 no -g option specifying debugging format, default to -gstabs+.
9278 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9280 * calls.c (special_function_p): New argument fork_or_exec.
9281 (expand_call): When profile_arc_flag is set and the function
9282 is in the fork_or_exec group, call __bb_fork_func first.
9283 * libgcc2.c, _bb module (__bb_fork_func): New function.
9284 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9286 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9287 * tree.h (special_function_p): Update prototype.
9289 2000-01-26 Richard Henderson <rth@cygnus.com>
9291 * alpha.c (alpha_split_tfmode_pair): New.
9292 * alpha-protos.h: Declare it.
9293 * alpha.md (abstf2, negtf2): New.
9294 (movtf insn): Add input G constraint.
9295 (movtf splitter): Use alpha_split_tfmode_pair.
9297 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9299 * i386/cygwin.h: PROTO -> PARAMS.
9301 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9303 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9304 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9305 using _Qp_cmp/_Q_cmp and testing the return value.
9306 (print_operand): Call reverse_condition_maybe_unordered if
9307 we are handling CCFPmode or CCFPEmode.
9308 Handle ORDERED, UN* and LTGT comparisons.
9309 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9310 if not TARGET_HARD_QUAD.
9311 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9312 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9313 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9314 Adjust gen_b* calls so that they reflect return comparison of
9315 sparc_emit_float_lib_cmp.
9317 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9319 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9320 incoming operands array is large enough for one more operand.
9321 (alpha_emit_xfloating_arith): Likewise.
9323 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9325 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9326 file with one line and no trailing newline.
9327 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9328 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9329 checking if the match is on the line.
9330 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9332 2000-01-25 Richard Henderson <rth@cygnus.com>
9334 * sparc.c (output_cbranch): Fix accidental squashing of the
9335 fp branch pre-delay nop.
9337 2000-01-25 Richard Henderson <rth@cygnus.com>
9339 * tree.def (UNNE_EXPR): Remove.
9340 * c-typeck.c (build_binary_op): Don't handle it.
9341 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9343 * rtl.def (UNNE): Remove.
9345 * jump.c (reverse_condition): Update accordingly.
9346 (swap_condition): Likewise.
9347 (comparison_dominates_p): Handle unordered comparisons.
9348 (reverse_condition_maybe_unordered): New.
9349 * rtl.h (reverse_condition_maybe_unordered): Declare.
9351 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9352 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9353 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9354 * sparc.md (bltgt): New.
9356 2000-01-25 Nick Clifton <nickc@redhat.com>
9358 * emit-rtl.c (emit_insn): Only check machine class insns for
9359 improper emission of a RETURN.
9361 2000-01-25 Richard Henderson <rth@cygnus.com>
9363 * Makefile.in (flow.o): Depend on $(EXPR_H).
9364 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9365 duplicate the structure of diddle_return_value for keeping regs live.
9367 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9369 * loop.c (current_loop_info): Delete.
9370 (consec_sets_invariant_p): Add loop argument, update callers.
9371 (get_condition_for_loop): Likewise.
9372 (count_nonfixed_reads, update_giv_derive): Likewise.
9373 (simplify_giv_expr, general_induction_var): Likewise.
9374 (consec_sets_giv, recombine_givs): Likewise.
9375 (move_movables): Delete loop_start and loop_end arguments,
9376 add loop argument, and update callers.
9377 (find_mem_givs, check_final_value): Likewise.
9378 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9379 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9381 (basic_induction_var): Add loop argument, delete loop_level argument,
9383 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9384 add loop argument, and update callers.
9385 (find_splittable_regs, find_splittable_givs): Likewise.
9386 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9387 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9388 (biv_total_increment): Delete loop_start and loop_end arguments;
9390 (precondition_loop_p): Delete loop_start and loop_info arguments;
9392 * loop.h (get_condition_for_loop): Add loop argument.
9393 (biv_total_increment): Delete loop_start and loop_end arguments.
9394 (precondition_loop_p): Delete loop_start and loop_info arguments;
9396 (final_biv_value): Delete loop_start and loop_end arguments;
9398 (final_giv_value, back_branch_in_range_p): Likewise.
9400 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9402 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9404 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9406 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9407 point to the new "generated_files" doc.
9409 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9411 * config/fp-bit.c (_unord_f2): Fix typo.
9413 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9415 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9416 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9417 functions obsoleted by GC, such as push_obstacks_nochange,
9418 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9419 and code which existed only to decide whether or not to call
9420 them. Remove now-unused NESTED argument from start_function;
9421 all callers changed. Do not change behavior based on ggc_p.
9422 The use of the ixp_obstack in c-iterate.c and the util_obstack
9423 in objc/objc-act.c remain; these are not obsoleted by garbage
9425 * c-tree.h: Update prototype for start_function.
9427 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9429 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9431 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9434 2000-01-25 Richard Henderson <rth@cygnus.com>
9436 * sparc-protos.h (select_cc_mode): Declare.
9437 * sparc.c (select_cc_mode): New. Handle unordered compares.
9438 (output_cbranch): Always reverse via code change. Handle
9439 unordered compares. Factor tests and string updates.
9440 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9441 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9442 * sparc.md (bunordered, bordered): New.
9443 (bungt, bunlt, buneq, bunge, bunle): New.
9445 2000-01-25 Richard Henderson <rth@cygnus.com>
9447 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9448 * ggc-common.c (ggc_add_rtx_varray_root): New.
9449 (ggc_mark_rtx_varray): New.
9450 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9451 functions down below ggc_mark_foo.
9452 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9454 2000-01-25 Richard Henderson <rth@cygnus.com>
9456 * alpha.c (secondary_reload_class): Don't allocate a secondary
9457 for integral mode memories into FLOAT_REGS. Rearrange the more
9458 complicated memory expression inward.
9460 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9462 * inclhack.def: Fixes to play nicer with FreeBSD, and
9463 corrections to comments.
9464 (cxx_unready): Add select expression.
9465 (irix_sockaddr): Add bypass expression.
9466 (machine_ansi_h_va_list): New fix.
9467 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9468 Split out addition of "#include <stdarg.h>" to...
9469 (stdio_stdarg_h): ... here.
9470 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9471 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9472 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9474 (ultrix_ifdef): Tighten up select expression.
9476 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9477 re_ct and max_mach to avoid use of shell. Make printed names
9478 match names in inclhack.def. Use static copyright date.
9479 Don't count c_test and test expressions as requiring regex_t
9480 slots. Add some commentary.
9481 * inclhack.tpl: Do not include the 'This script contains N
9482 fixup scripts' line if PROGRAM is defined. Use static
9485 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9487 * dwarf2out.c: include "varray.h", not dyn-string.h.
9488 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9489 (addr_const_to_string, addr_to_string): Lose.
9490 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9491 (struct dw_val_struct): val_addr is now an rtx.
9492 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9493 (used_rtx_varray): New varray.
9494 (dwarf2out_init): Initialize it.
9496 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9498 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9499 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9500 * Makefile.in (dwarf2out.o): Update dependencies.
9502 2000-01-24 Richard Henderson <rth@cygnus.com>
9504 * i386.c (i386_dwarf_output_addr_const): New.
9505 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9507 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9509 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9510 * i386.c (i386_simplify_dwarf_addr): New.
9511 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9513 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9515 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9516 TYPE_STUB_DECL is NULL.
9518 2000-01-24 Richard Henderson <rth@cygnus.com>
9520 * builtins.c (expand_tree_builtin): Move ...
9521 * c-common.c (expand_tree_builtin): ... here.
9523 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9525 * loop.h (LOOP_INFO): New accessor macro.
9526 * basic-block.h (struct loop): Rename field `info' to `aux'.
9527 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9528 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9529 * unroll.c (loop_iterations, unroll_loop): Likewise.
9531 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9533 * config/i386/t-cygwin: Accomodate new winsup directory layout
9534 when searching for include files.
9536 2000-01-24 Richard Henderson <rth@cygnus.com>
9538 * rtl.def: Add unordered fp comparisions.
9539 * tree.def: Likewise.
9540 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9542 * builtins.c (expand_tree_builtin): New function.
9543 * c-typeck.c (build_function_call): Use it.
9544 (build_binary_op): Support unordered compares.
9545 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9547 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9548 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9549 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9550 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9551 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9553 (swap_condition): Handle unordered compares.
9554 (thread_jumps): Check can_reverse before reversing.
9555 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9558 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9559 setcc is present before acking for cmp_optab. Update all callers.
9560 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9561 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9562 * expr.c (expand_expr): Likewise. Support unordered compares.
9563 (do_jump, do_store_flag): Likewise.
9564 * expr.h (enum libfunc_index): Add unordered compares.
9566 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9567 (DPBIT_FUNCS): Add _unord_df.
9568 * config/fp-bit.c (_unord_f2): New.
9569 * fp-test.c (main): Try unordered compare builtins.
9571 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9572 * alpha.c (alpha_comparison_operator): Check mode properly.
9573 (alpha_swapped_comparison_operator): Likewise.
9574 (signed_comparison_operator): Likewise.
9575 (alpha_fp_comparison_operator): New.
9576 (alpha_emit_conditional_branch): Handle unordered compares.
9577 * alpha.h (PREDICATE_CODES): Update.
9578 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9579 (bunordered, bordered): New.
9581 2000-01-24 Richard Henderson <rth@cygnus.com>
9583 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9584 * alpha.md (movtf): New expander, insn, and splitter.
9586 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9588 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9591 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9593 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9594 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9595 REG_ALLOC_ORDER): Add frame pointer
9596 (FRAME_POINTER_REGNUM): Set to 20
9597 (HARD_FRAME_POINTER_REGNUM): New macro.
9598 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9599 to HARD_FRAME_POINTER.
9600 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9601 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9602 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9603 (HI_REGISTER_NAMES): Add "frame".
9604 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9605 (debug_reg): Handle FRAME_POINTER_REGNUM.
9606 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9607 GENERAL_REGS and INDEX_REGS.
9608 * i386.c (SAVED_REGS_FIRST): new macro.
9609 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9610 (ix86_decompose_address, memory_address_length): Likewise.
9611 (regclass_map): Add frame pointer.
9612 (call_insn_operand): Handle frame_pointer_rtx.
9613 (reg_no_sp_operand): Likewise.
9614 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9615 (print_operand, legitimize_pic_address): Fix formating.
9616 (ix86_compute_frame_size): Make static, update prototype, new
9617 parameters padding1, padding2, use ix86_nsaved_regs, use
9618 stack_alignment_needed.
9619 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9620 to HARD_FRAME_POINTER_REGNUM conversions.
9621 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9622 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9623 (print_reg): Abort on FRAME_POINTER_REGNUM
9625 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9627 * i386.h (PREDICATE_CODES): Add aligned_operand.
9628 * i386.c (aligned_operand): New function.
9629 (ix86_aligned_p): Kill.
9630 * i386.md (movhi_1): Emit mov for aligned operands.
9631 (promoting peep2s): Use aligned_operand.
9633 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9635 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9636 expression to allow underscores in macro names.
9637 (fix_char_macro_defines): Increment scanning pointer.
9639 2000-01-23 Richard Henderson <rth@cygnus.com>
9641 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9642 * alpha/osf5.h: New file.
9643 * configure.in (alpha-*-osf5): Add it to tm_file.
9645 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9647 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9648 (alpha_emit_xfloating_cvt, function_arg): Declare.
9649 * alpha.c (alpha_emit_conditional_branch): Call
9650 alpha_emit_xfloating_compare for TFmode compares.
9651 (alpha_lookup_xfloating_lib_func): New.
9652 (alpha_compute_xfloating_mode_arg): New.
9653 (alpha_emit_xfloating_libcall): New.
9654 (alpha_emit_xfloating_arith): New.
9655 (alpha_emit_xfloating_compare): New.
9656 (alpha_emit_xfloating_cvt): New.
9657 (print_operand): Add default abort case.
9658 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9659 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9660 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9661 (RETURN_IN_MEMORY): True for TF/TCmode.
9662 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9663 (FUNCTION_ARG): Move to function_arg.
9664 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9665 (ASM_OUTPUT_LONG_DOUBLE): New.
9666 (ASM_OUTPUT_DOUBLE): Always output bits.
9667 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9668 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9669 (extenddftf2, trunctfdf2): New.
9671 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9673 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9674 * config/sparc/sol2.h: ... here.
9676 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9678 * basic-block.h (struct loops): New field `levels'.
9679 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9680 (flow_loop_level_compute): Initialise level to 1.
9681 (flow_loops_find): Set loops->levels.
9682 (flow_loops_dump): Print loops->levels.
9684 2000-01-23 Richard Henderson <rth@cygnus.com>
9686 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9687 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9689 2000-01-23 Richard Henderson <rth@cygnus.com>
9691 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9692 * i386.h (DBX_REGISTER_NUMBER): Use them.
9693 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9694 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9695 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9696 * i386/sequent.h: Kill incorrect comment.
9698 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9700 * ggc-page.c (struct page_entry): Make `context_depth' an
9702 (struct globals): Likewise.
9704 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9706 * loop.c (check_dbra_loop): When checking a loop for
9707 reversability, check the source of any stores to ensure
9708 they don't depend on an initial value.
9710 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9712 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9714 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9716 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9717 'pz_scan' into scope of entire function. Only affects
9718 compiles with -DDEBUG.
9720 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9722 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9723 section naming to that prior to 2000-01-07 patch.
9724 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9725 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9726 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9727 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9728 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9730 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9732 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9735 2000-01-21 Jim Wilson <wilson@cygnus.com>
9737 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9738 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9740 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9742 * cpphash.c (change_newlines): Delete function.
9743 (struct argdata): Delete 'newlines' and 'use_count' fields.
9744 (macroexpand): Remove code referencing those fields.
9746 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9748 * loop.c (loops_info): New variable.
9749 (loop_optimize): Allocate loops->array and free it on exit.
9750 Allocate memory for loops_info and assign to each loop,
9752 (find_and_verify_loops): Do not allocate loops->array.
9754 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9756 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9758 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9760 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9761 pseudos if expanded after first flow.
9762 (movdi_pic_label_ref): Likewise.
9764 2000-01-20 Richard Henderson <rth@cygnus.com>
9766 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9768 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9770 * Makefile.in (fixinc.sh): Depend on specs.
9771 * fixinc/Makefile.in: Add rule to create machname.h.
9772 (fixlib.o): Depend on machname.h.
9773 * fixinc/fixtests.c (machine_name): New test.
9774 * fixinc/fixfixes.c (machine_name): New fix.
9775 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9776 the machine_name test and fix.
9777 * fixinc/fixlib.h: Prototype it.
9778 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9779 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9781 * gcc.c (do_spec_1) [case P]: Take care not to create
9782 identifiers with three leading or trailing underscores.
9784 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9785 (fixincl): Don't specify libraries twice on link line.
9786 (gnu-regex.o): Remove special rule.
9787 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9788 defined by config.h. Do not define _REGEX_RE_COMP.
9789 (regcomp): Allocate and initialize a fastmap.
9790 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9792 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9794 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9796 2000-01-19 Richard Henderson <rth@cygnus.com>
9798 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9799 arguments with BB. Update all callers. Tidy line wrapping.
9801 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9803 * emit-rtl.c (try_split): Return last_insn if we split the
9806 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9808 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9809 (ix86_initial_elimination_offset): Declare.
9810 * i386.c (ix86_nsaved_regs): Break out from ...
9811 (ix86_can_use_return_insn_p): ... here.
9812 (ix86_emit_save_regs): Break out from ...
9813 (ix86_expand_prologue): ... here.
9814 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9816 (ix86_expand_epilogue): ... here.
9817 (ix86_compute_frame_size): Make static, add prototype.
9818 (ix86_initial_elimination_offset): Break out from ...
9819 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9821 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9823 * recog.h (OUT_FCN): Delete.
9825 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9827 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9829 * cppalloc.c: PROTO -> PARAMS.
9830 * cpperror.c: Likewise.
9831 * cppfiles.c: Likewise.
9832 * cpplib.c: Likewise.
9833 * cpplib.h: Likewise.
9835 * config/arm/arm-protos.h: PROTO -> PARAMS.
9836 * config/arm/arm.c: Likewise.
9837 * config/c4x/c4x.c: Likewise.
9838 * config/fr30/fr30-protos.h: Likewise.
9839 * config/nextstep.c: Likewise.
9840 * config/pa/pa.c: Likewise.
9841 * config/pj/pj.c: Likewise.
9842 * config/rs6000/rs6000.c: Likewise.
9843 * config/v850/v850-protos.h: Likewise.
9844 * config/v850/v850.c: Likewise.
9846 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9848 * i370-protos.h: New file.
9850 * i370.c: Include tm_p.h. Fix compile time warnings.
9852 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9855 * i370.md: Likewise.
9857 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9859 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9860 (target_isinf, target_isnan, eisnan): Mark parameter with
9862 (eiisinf): Wrap in INFINITY.
9863 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9864 (ibmtoe): Remove unused variable `rndsav'.
9866 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9868 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9869 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9871 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9873 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9874 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9875 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9877 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9878 Recognize Emacs mode markers also.
9879 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9880 C++ comments in C++ headers. Call is_cxx_header only if
9883 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9885 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9886 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9887 ... these, which use the new C fixes.
9888 (math_exception): Escape literal '+' in bypass expression.
9890 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9893 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9895 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9898 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9900 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9901 prior to calling scan_loop.
9903 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9905 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9906 (split_branches, calc_live_regs): Likewise.
9908 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9910 * sh.md (fpu_single, fp_mode): New attributes.
9912 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9914 * loop.c (current_loop_info): Renamed from loop_info_data
9915 and changed to a pointer.
9916 (loop_optimize): Allocate loop_info structure for each loop
9917 and initialise to zero.
9918 (scan_loop): Set current_loop_info.
9920 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9923 2000-01-19 Richard Henderson <rth@cygnus.com>
9925 * stupid.c: Die die die.
9926 * Makefile.in (OBJS): Remove stupid.o.
9927 (stupid.o): Likewise.
9929 * except.c (emit_eh_context): Don't emit USEs for stupid.
9930 * explow.c (probe_stack_range): Likewise.
9931 * flags.h (obey_regdecls): Remove.
9932 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9933 when not optimizing.
9934 (life_analysis): Limit data collection when not optimizing.
9935 (mark_regs_live_at_end): Always mark the return value registers.
9936 (mark_used_regs): Remove dummy RETURN case.
9937 (print_rtl_with_bb): Don't consult obey_regdecls.
9938 * function.c (use_variable, use_variable_after): Remove.
9939 (assign_parms): Consult optimize not obey_regdecls.
9940 (expand_function_start): Don't emit USEs for stupid.
9941 (expand_function_end): Likewise.
9942 * global.c (build_insn_chain): Export.
9943 * integrate.c (expand_inline_function): Kill return-value USE
9945 * jump.c (jump_optimize_1): Do simple jump optimizations and
9946 dead code elimination.
9947 (calculate_can_reach_end): Remove check_deleted argument.
9948 (delete_insn): Patch out insns even when not optimizing.
9949 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
9950 * rtl.h (use_variable, use_variable_after): Remove declarations.
9951 (build_insn_chain): Declare.
9952 * stmt.c (expand_value_return): Don't emit USEs for stupid.
9953 (expand_end_bindings): Likewise.
9954 (expand_decl): Likewise. Consult optimize not obey_regdecls.
9955 * toplev.c (obey_regdecls): Remove.
9956 (rest_of_compilation): Don't set it. Kill stupid in favour of
9957 flow1, local-alloc, and reload.
9958 (main): Don't set obey_regdecls.
9960 * config/nextstep.c (handle_pragma): Likewise.
9962 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
9964 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
9966 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9968 * alpha-protos.h: PROTO -> PARAMS.
9969 * alpha.c: Likewise.
9971 * h8300.c: Likewise.
9972 * i386-protos.h: Likewise.
9974 * m32r-protos.h: Likewise.
9977 * mips.md: Likewise.
9978 * gmon-sol2.c: Likewise.
9979 * sparc.c: Likewise.
9981 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9983 * ns32k-protos.h: New file.
9985 * ns32k.c: Fix compile time warnings.
9987 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
9990 * ns32k.md: Likewise.
9992 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9994 * vax-protos.h: New file.
9996 * vax.c: Fix compile time warnings.
9998 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10001 * vax.md: Likewise.
10003 * vaxv.md: Likewise.
10005 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10007 * romp-protos.h: New file.
10009 * romp.c: Fix compile time warnings.
10011 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10014 * romp.md: Likewise.
10016 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10018 * we32k-protos.h: New file.
10020 * we32k.c: Fix compile time warnings.
10022 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10025 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10027 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10029 * except.c (eh_regs): Likewise.
10031 * final.c (output_operand): Likewise.
10033 * fold-const.c (target_isinf, target_isnan): Likewise.
10035 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10037 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10038 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10040 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10041 when optimize_size.
10042 (clrstrsi): Rewrite.
10043 (strsethi, strsetqi): New expanders.
10044 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10045 (cmpstrsi): Emit compare insn before cmpstrsi_1
10046 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10047 (strlensi_1): Likewise.
10048 (cmpstrsi_1): Likewise; do not output compare.
10049 (strlen expander): Do not unroll when optimizing for size.
10050 (*subsi3_carry): Rename to subsi3_carry
10051 (addqi3_cc): New pattern.
10052 * i386.h (processor_costs): Add move_ratio field.
10053 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10054 * i386.c (*_cost): Set move_ratio.
10055 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10056 (x86_expand_strlensi_1): Rewrite the main loop.
10058 2000-01-17 Richard Henderson <rth@cygnus.com>
10060 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10061 * cse.c (find_comparison_args, fold_rtx): Likewise.
10062 * integrate.c (subst_constants): Likewise.
10063 * loop.c (get_condition): Likewise.
10065 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10067 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10069 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10071 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10072 (RESTORE_WARN_FLAGS): Unpack it.
10073 Change semantic type of extension to ttype.
10074 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10075 * c-parse.y, c-parse.c, objc/objc-parse.y,
10076 objc/objc-parse.c: Regenerate.
10078 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10080 * fixinc/fixlib.c: Add copyright notice.
10081 (compile_re): New function.
10082 * fixinc/fixlib.h: Prototype compile_re.
10084 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10085 Use compile_re to compile regular expressions.
10087 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10088 where the pattern matched.
10090 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10092 (ultrix_ansi_compat): Likewise.
10093 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10095 (interactv_add2, interactv_add3): Delete.
10096 (x11_sprintf): Don't use filename glob.
10097 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10100 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10102 * print-rtl.c: PROTO -> PARAMS.
10103 * real.c: Likewise.
10104 * reg-stack.c: Likewise.
10105 * resource.c: Likewise.
10106 * sdbout.h: Likewise.
10107 * simplify-rtx.c: Likewise.
10108 * stor-layout.c: Likewise.
10109 * stupid.c: Likewise.
10110 * xcoffout.c: Likewise.
10111 * xcoffout.h: Likewise.
10113 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10115 * toplev.c: PROTO -> PARAMS.
10116 * toplev.h: Likewise.
10117 * tree.c: Likewise.
10118 * tree.h: Likewise.
10119 * unroll.c: Likewise.
10120 * varasm.c: Likewise.
10121 * varray.c: Likewise.
10122 * varray.h: Likewise.
10124 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10126 * reload.c: PROTO -> PARAMS.
10127 * reload.h: Likewise.
10128 * reload1.c: Likewise.
10129 * reorg.c: Likewise.
10130 * resource.h: Likewise.
10133 * rtlanal.c: Likewise.
10134 * sbitmap.h: Likewise.
10135 * sdbout.c: Likewise.
10136 * stack.h: Likewise.
10137 * stmt.c: Likewise.
10138 * system.h: Likewise.
10140 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10142 * machmode.h: PROTO -> PARAMS.
10143 * mbchar.h: Likewise.
10144 * mips-tdump.c: Likewise.
10145 * mips-tfile.c: Likewise.
10146 * optabs.c: Likewise.
10147 * output.h: Likewise.
10148 * prefix.c: Likewise.
10149 * profile.c: Likewise.
10150 * protoize.c: Likewise.
10151 * real.h: Likewise.
10152 * recog.c: Likewise.
10153 * recog.h: Likewise.
10154 * regclass.c: Likewise.
10155 * regmove.c: Likewise.
10156 * regs.h: Likewise.
10158 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10160 * ggc-common.c: PROTO -> PARAMS.
10161 * ggc-page.c: Likewise.
10162 * ggc-simple.c: Likewise.
10164 * global.c: Likewise.
10165 * graph.c: Likewise.
10166 * gthr-win32.h: Likewise.
10167 * haifa-sched.c: Likewise.
10168 * halfpic.h: Likewise.
10169 * integrate.c: Likewise.
10170 * integrate.h: Likewise.
10171 * jump.c: Likewise.
10173 * local-alloc.c: Likewise.
10174 * loop.c: Likewise.
10175 * loop.h: Likewise.
10177 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10179 * genattr.c: PROTO -> PARAMS.
10180 * genattrtab.c: Likewise.
10181 * gencheck.c: Likewise.
10182 * gencodes.c: Likewise.
10183 * genconfig.c: Likewise.
10184 * genemit.c: Likewise.
10185 * genextract.c: Likewise.
10186 * genflags.c: Likewise.
10187 * gengenrtl.c: Likewise.
10188 * genopinit.c: Likewise.
10189 * genoutput.c: Likewise.
10190 * genpeep.c: Likewise.
10191 * genrecog.c: Likewise.
10193 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10195 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10197 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10199 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10200 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10201 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10202 * configure, config.in: Rebuilt.
10204 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10206 * config/i386/i386.md: Add peephole to merge successive stack
10209 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10211 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10212 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10213 when walking backwards to find all the parameter loads when
10214 the basic block ends in a call.
10216 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10218 * loop.c (this_loop_info): Delete.
10219 (uid_loop): Add in place of uid_loop_num. All uses updated.
10220 (loop_number_exit_count): Delete and replace with entry in loop
10221 structure. All uses updated.
10222 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10223 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10224 (loop_outer_loop): Likewise.
10225 (loop_invalid, loop_number_exit_labels): Likewise.
10226 (loop_used_count_register): Delete and replace with entry in
10227 loop_info structure.
10228 (find_and_verify_loops): Add loops argument.
10229 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10230 loop_end, etc. arguments with loop structure pointer. All callers
10232 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10233 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10234 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10235 (insert_bct): Likewise.
10236 (basic_induction_var): New argument level.
10237 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10238 vtop, and cont. Add used_count_register.
10239 (uid_loop): Delete declaration.
10240 (loop_number_exit_count): Likewise.
10241 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10242 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10243 (loop_outer_loop, loop_used_count_register): Likewise.
10244 (loop_invalid, loop_number_exit_labels): Likewise.
10245 (unroll_loop): Replace loop_start and loop_end arguments
10246 with loop structure pointer.
10247 (loop_precondition_p, loop_iterations): Likewise.
10248 Include basic-block.h.
10249 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10250 with loop structure pointer.
10251 (loop_precondition_p, loop_iterations): Likewise.
10252 * basic-block.h (struct loop): New entries vtop, cont,
10253 cont_dominator, start, end, top, scan_start, exit_labels,
10255 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10257 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10259 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10261 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10263 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10265 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10267 * pdp11-protos.h: New file.
10269 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10272 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10275 * pdp11.md: Likewise.
10277 * 2bsd.h: Likewise.
10279 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10281 * mn10300-protos.h: New file.
10283 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10286 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10289 * mn10300.md: Likewise.
10291 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10293 * mn10200-protos.h: New file.
10295 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10298 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10301 * mn10200.md: Likewise.
10303 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10305 * h8300-protos.h: New file.
10307 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10310 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10313 * h8300.md: Likewise.
10315 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10317 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10318 (asm_emit_uninitialised): Likewise.
10320 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10322 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10323 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10325 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10327 * config/mips/mips.c (override_options): Don't turn on extra
10328 alignment for mips16.
10330 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10332 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10333 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10336 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10338 * builtins.c (PAD_VARARGS_DOWN): Define.
10339 (std_expand_builtin_va_arg): Use the above macro.
10340 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10341 * tm.texi (Register Arguments): Document the above macro.
10343 2000-01-14 Nick Clifton <nickc@cygnus.com>
10345 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10346 that this function has not been used to emit a jump
10349 * jump.c (return_jump_1): Cope with being passed a null rtx.
10351 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10353 * eh-common.h: PROTO -> PARAMS.
10354 * emit-rtl.c: Likewise.
10355 * errors.c: Likewise.
10356 * errors.h: Likewise.
10357 * except.c: Likewise.
10358 * except.h: Likewise.
10359 * explow.c: Likewise.
10360 * expmed.c: Likewise.
10361 * expr.c: Likewise.
10362 * expr.h: Likewise.
10363 * final.c: Likewise.
10364 * fix-header.c: Likewise.
10365 * flow.c: Likewise.
10366 * fold-const.c: Likewise.
10367 * function.c: Likewise.
10368 * function.h: Likewise.
10370 * gcov-io.h: Likewise.
10371 * gcov.c: Likewise.
10372 * gcse.c: Likewise.
10374 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10376 * sh-protos.h: New file.
10378 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10379 Add static prototypes. Fix compile time warnings.
10381 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10385 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10387 * arc-protos.h: New file.
10389 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10392 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10395 * arc.md: Likewise.
10397 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10399 * dsp16xx-protos.h: New file.
10401 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10404 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10407 * dsp16xx.md: Likewise.
10409 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10411 * convex-protos.h: New file.
10413 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10416 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10419 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10421 * elxsi-protos.h: New file.
10423 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10426 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10429 * elxsi.md: Likewise.
10431 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10433 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10434 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10435 match the comment for MIPS16.
10437 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10439 * flow.c (split_edge): Do not call set_block_for_insn if we
10440 do not have a basic_block_for_insn structure.
10442 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10443 and destination functions are 32bit aligned within the trampoline.
10444 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10445 (TRAMPOLINE_ALIGNMENT): Define.
10447 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10448 (set (pc) (label_ref)), verify the change creates a valid insn.
10450 * fr30.c (call_operand): Tighten and rework to match rules for
10451 call RTL expressions.
10452 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10453 * fr30.md (call patterns): Improve constraints.
10455 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10457 * fr30.c (fr30_expand_epilogue): Revert last change.
10458 Use emit_jump_insn for the return insn.
10460 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10461 Stan Cox <scox@cygnus.com>
10463 * predict.c: New file. Preliminary infrastructure work for static
10464 branch prediction and basic block reordering.
10465 * basic-block.h: Add prototype for estimate_probability.
10466 * Makefile.in: Add rules for predict.o.
10468 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10470 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10471 * fixinc/*: Likewise.
10473 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10475 * cccp.c: PROTO -> PARAMS.
10476 * cexp.y: Likewise.
10477 * collect2.c: Likewise.
10478 * combine.c: Likewise.
10479 * convert.h: Likewise.
10481 * dbxout.c: Likewise.
10482 * dbxout.h: Likewise.
10483 * diagnostic.c: Likewise.
10484 * doprint.c: Likewise.
10485 * dwarf2out.c: Likewise.
10486 * dwarf2out.h: Likewise.
10487 * dwarfout.c: Likewise.
10488 * dwarfout.h: Likewise.
10489 * dyn-string.h: Likewise.
10491 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10493 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10494 macro conditionals guarding use.
10496 * dwarf2out.c: Include "tm_p.h".
10498 * function.c (locate_and_pad_parm): Mark parameter with
10500 (expand_function_end): Likewise for variable `context'.
10502 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10504 2000-01-13 Nick Clifton <nickc@cygnus.com>
10506 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10507 register to prevent compile time warnings.
10509 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10511 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10512 to avoid -Wtraditional warning.
10514 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10516 * 1750a-protos.h: New file.
10518 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10521 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10524 * 1750a.md: Likewise.
10526 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10528 * a29k-protos.h: New file.
10530 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10533 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10536 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10538 * clipper-protos.h: New file.
10540 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10543 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10546 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10548 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10550 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10552 * configure.in (--enable-new-gxx-abi): New option.
10553 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10554 * Makefile.in (GXX_ABI_FLAG): New variable.
10555 * configure: Regenerate.
10557 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10559 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10560 * tm.texi (FORCE_STRUCT_BLK): Document.
10561 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10563 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10565 * config/ns32k/ns32k.md: Revert Jan 9 change.
10567 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10568 to a mode-test, if the predicate is address_operand.
10570 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10572 * combine.c (if_then_else_cond): Be careful about what kinds
10573 of RTL expressions are passed to operand_subword.
10575 * flow.c (split_edge): If we have to insert a new jump, make
10576 sure to associate it with a basic block.
10578 * flow.c (commit_one_edge_insertion): A block with one successor
10579 can end in a JUMP_INSN that is not a simplejump.
10581 2000-01-12 Robert Lipe <robertl@sco.com>
10583 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10584 (BUILD_VA_LIST_TYPE): Define.
10585 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10588 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10590 * cccp.c (do_pragma): Add cast to (char *).
10592 2000-01-12 Richard Henderson <rth@cygnus.com>
10593 Fred Fish <fnf@be.com>
10594 Jason Merrill <jason@cygnus.com>
10596 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10597 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10598 * i386/beos-elf.h, i386/beos-pe.h: New files.
10600 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10601 * cross-make (SYSTEM_HEADER_DIR): Define using
10602 CROSS_SYSTEM_HEADER_DIR.
10604 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10605 (process_command): Use it.
10606 (main): Likewise. Kill trailing = from env vars.
10607 (build_search_list): Put it back.
10608 * collect2.c (main): Use LIBRARY_PATH_ENV.
10610 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10611 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10613 * tm.texi (Frame Layout): Document SMALL_STACK.
10614 * c-common.c (c_common_nodes_and_builtins): Check it.
10616 * system.h: Undef alloca after including glibc's <stdlib.h>,
10617 if USE_C_ALLOCA is defined.
10619 * gcc.c (set_input): New fn.
10620 (main): After all input files are compiled, reset the input file
10623 * aclocal.m4 (rindex, index): If already defined, don't attempt
10626 * ginclude/varargs.h: (__va_list__): Define ifndef.
10627 * ginclude/stdarg.h: Likewise.
10629 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10630 instead of unsigned char.
10632 * hash.h (true, false, boolean): Undef before enum.
10634 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10635 proper type of "HOST_WIDE_INT *", rather than their natural type of
10636 "unsigned HOST_WIDE_INT *".
10638 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10640 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10642 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10644 * regclass.c (choose_hard_reg_mode): Likewise.
10646 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10648 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10650 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10652 * c-common.c: PROTO -> PARAMS.
10653 * c-common.h: Likewise.
10654 * c-decl.c: Likewise.
10655 * c-iterate.c: Likewise.
10656 * c-lang.c: Likewise.
10657 * c-lex.c: Likewise.
10658 * c-lex.h: Likewise.
10659 * c-parse.in: Likewise.
10660 * c-pragma.c: Likewise.
10661 * c-pragma.h: Likewise.
10662 * c-tree.h: Likewise.
10663 * c-typeck.c: Likewise.
10664 * objc/objc-act.c: Likewise.
10665 * objc/objc-act.h: Likewise.
10667 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10669 * m88k-protos.h: New file.
10671 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10674 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10676 * m88k.md: Likewise.
10678 * tekXD88.h: Likewise.
10680 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10682 * m68k-protos.h: New file.
10684 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10687 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10689 * mot3300.h: Likewise.
10691 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10693 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10695 (extract_bitlist): Declare bitlen.
10697 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10699 * cccp.c: Accept and ignore -lang-fortran.
10701 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10702 qualifiers don't match at any level of pointerness.
10704 2000-01-12 Robert Lipe <robertl@sco.com>
10706 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10708 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10710 * reload1.c (reload_reg_unavailable): New static variable.
10711 (reload_reg_free_p): Test it.
10712 (reload_reg_free_for_value_p): Test it instead of
10714 (choose_reload_regs_init): Compute it.
10716 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10718 * reorg.c (fill_slots_from_thread): Check modified_in_p
10721 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10723 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10724 these nodes even if INTERNALS is not set.
10726 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10728 * gcse.c (delete_null_pointer_checks_1): Cope when
10729 get_condition cannot determine the condition.
10731 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10733 * toplev.h (set_message_length): Declare.
10735 * diagnostic.c (obstack_chunk_alloc): Define macro.
10736 (obstack_chunk_free): Likewise.
10737 (struct output_buffer): New data structure.
10738 (vmessage): Remove.
10739 (output_maximum_width): New variable.
10740 (doing_line_wrapping, set_message_length, init_output_buffer,
10741 get_output_prefix, output_space_left, emit_output_prefix,
10742 output_newline, output_append, output_puts, dump_output,
10743 vbuild_message_string, build_message_string, build_location_prefix,
10744 voutput_notice, output_printf, line_wrapper_printf,
10745 vline_wrapper_message_with_location): New functions. Implement
10746 automatic line wrapping.
10747 (v_message_with_decl): Make it handle automatic line wrapping.
10748 (v_error_with_file_and_line): Likewise.
10749 (v_warning_with_file_and_line): Likewise.
10750 (announce_function): Likewise.
10751 (default_print_error_function): Likewise.
10753 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10755 * cpplib.h (struct cpp_options): Change lang_asm to char.
10757 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10758 done in cpp_handle_option now.
10759 (initialize_builtins): Take out special case code used only by
10761 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10762 if -traditional. Recognize -lang-fortran and set
10763 lang_fortran, also turn off cplusplus_comments.
10764 (print_help): Document -lang-fortran.
10765 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10766 lang_asm. Ignore all directives other than `# 123 "file"' if
10768 (cpp_get_token): If -traditional, don't recognize directives
10769 unless the # is in column 1.
10770 (parse_string): If lang_fortran or lang_asm, silently
10771 terminate strings ('' or "") at end of line.
10772 Remove unnecessary braces.
10774 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10775 Richard Henderson <rth@cygnus.com>
10777 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10779 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10780 strict_low_part when possible.
10782 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10784 * alias.c: PROTO -> PARAMS.
10785 * basic-block.h: Likewise.
10786 * bitmap.c: Likewise.
10787 * bitmap.h: Likewise.
10788 * builtins.c: Likewise.
10789 * c-aux-info.c: Likewise.
10790 * caller-save.c: Likewise.
10791 * calls.c: Likewise.
10793 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10795 * Makefile.in (toplev.o): Depend on regs.h.
10797 * output.h (tdesc_section): Prototype.
10799 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10801 * sdbout.c: Include "tm_p.h".
10803 * toplev.c: Include "regs.h".
10805 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10807 * unroll.c (unroll_loop): Add EH support.
10809 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10811 * pa-protos.h: New file.
10813 * pa.c: Include recog.h and tm_p.h.
10814 (compute_zdepwi_operands, compute_movstrsi_length,
10815 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10816 find_addr_reg, import_milli): Add static prototypes.
10817 (pa_cpu_string, pa_arch_string): Constify a char*.
10818 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10819 (read_only_operand): Add argument `mode'.
10820 (singlemove_string, output_move_double, output_fp_move_double,
10821 output_block_move, output_and, output_ior, output_ascii,
10822 remove_useless_addtr_insns, milli_names, output_mul_insn,
10823 output_div_insn, output_mod_insn, output_arg_descriptor,
10824 output_cbranch, output_bb, output_bvb, output_dbra, ,
10825 output_millicode_call, output_call, hppa_encode_label,
10826 output_parallel_movb, output_parallel_addb): Constify a char*.
10827 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10828 (output_parallel_addb): Remove extra arg to `constrain_operands'
10830 * pa.h: Move all prototypes to pa-protos.h.
10831 (pa_cpu_string, pa_arch_string): Constify a char*.
10832 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10834 * pa.md: Call `function_label_operand' with mode argument.
10835 Likewise for `read_only_operand'.
10836 Fix nesting of parens in call to `symbolic_operand'.
10838 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10840 * i860-protos.h: New file.
10842 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10845 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10847 * i860.md: Likewise.
10849 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10851 * i386.md (movstrsi expander): Rewrite.
10852 (movstrsi_1 insn): Deleted.
10853 (strmovhi, strmovqi expander): New expanders.
10854 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10855 * i386.c (x86_single_stringop): New global variable.
10856 * i386.h (x86_single_stringop): Declare.
10857 (TARGET_SINGLE_STRINGOP): New macro.
10859 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10861 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10862 integer vararg POSTINCREMENT before the destination of the jump
10863 for the hard fp case.
10864 (function_arg_pass_by_reference): Pass a copy of CUM to
10867 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10868 for CONSTANT_ADDRESS_P above while loop for subreg.
10870 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10872 * flow.c (propagate_block): When a prologue/epilogue insn
10873 is marked dead, unconditionally clear libcall_is_dead and
10874 insn_is_dead, and only dump rtl if warnings aren't being
10877 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10879 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10880 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10881 (FIXED_REGISTERS): Set dirflag as fixed.
10882 (CALL_USED_REGISTERS): Set dirflag as used.
10883 (REG_ALLOC_ORDER): Set dirflag as last one.
10884 (DIRFLAG_REG): New macro.
10885 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10886 (HI_REGISTER_NAMES): Add dirflag.
10887 (DEBUF_PRINT_REG): Handle dirflag.
10888 * i386.md (type attribute): New cld and str types.
10889 (length_opcode attribute): Set cld and str to 1.
10890 (memory attribute): Set str to unknown - it is not clear from the
10892 (pent_np function unit): Prefixed string operations takes 12 cycles
10893 minimally; cld takes 2 cycles.
10894 (ppro_uops attribute): Str is "many" and cld is "few".
10895 (ppro_p0 unit): Handle cld here.
10896 (k6_alux unit): Handle cld and str types.
10897 (k6_load unit): It is ocupied by str opcodes.
10898 (k6_store unit): It is ocupied by str opcodes.
10899 (athlon_decode): Str is vector decoded.
10900 (athlon_ieu): Handle str and cld.
10901 (cld pattern): New.
10902 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10903 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10904 cmpstrsi_nz_1 insn): Do not output cld instruction
10906 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10908 * gcc.texi (G++ and GCC): Add Java and Chill.
10909 (Bug Critera): Don't list languages.
10911 * gcc.texi (Incompatibilities): No longer claim most C compilers
10914 * gcc.texi (G++ and GCC): Update other front-ends list.
10916 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10918 * i386.c (ix86_expand_setcc): Fix typo.
10919 (ix86_expand_movcc): Similarly.
10921 * Band-aid until haifa's bitset implementation is nuked.
10922 * haifa-sched.c (extract_bitlst): New parameter for size of the
10923 bitset in bits. All callers changed. Avoid looking at undefined
10924 bits in the bitset.
10925 (edgeset_bitsize): New variable.
10926 (schedule_region): Initialize edgeset_bitsize.
10928 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10930 * Makefile.in (optabs.o): Depend on real.h
10931 (resource.o): Depend on insn-attr.h
10933 * builtins.c (result_vector): Wrap prototype in macro conditions
10934 governing definition and use.
10936 * c-common.c: Include tm_p.h.
10938 * c-lex.c: Likewise.
10940 * elfos.h: Constify a char*.
10942 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10943 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10944 parameter with ATTRIBUTE_UNUSED.
10946 * fold-const.c (exact_real_inverse): Wrap variable `i' in
10949 * haifa-sched.c (schedule_insns): Mark parameter with
10952 * optabs.c: Include real.h.
10954 * real.h (ereal_atof): Add prototype arguments.
10956 * resource.c: Include insn-attr.h.
10958 * sdbout.c (sdbout_queue_anonymous_type,
10959 sdbout_dequeue_anonymous_types): Wrap in macro
10960 SDB_ALLOW_FORWARD_REFERENCES.
10961 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
10964 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
10966 * stupid.c: Include tm_p.h.
10968 * tree.c (real_value_from_int_cst): Mark parameter with
10971 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10973 * i960-protos.h: New file.
10975 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
10978 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
10980 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10982 * combine.c (expand_field_assignment): Do not discard SUBREGs
10983 while computing nonzero_bits.
10985 2000-01-09 Nick Clifton <nickc@cygnus.com>
10987 * config/arm/arm.c: Fix compile time warnings about signed vs
10988 unsigned constants.
10989 * config/arm/arm.h: Fix compile time warnings about signed vs
10990 unsigned constants.
10992 2000-01-09 Philip Blundell <philb@gnu.org>
10994 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
10995 than `ldm' with only one register.
10996 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
10999 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11002 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11004 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11007 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11009 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11010 assignment used as truth value.
11012 * function.c (assign_temp): Mark parameter `dont_promote' with
11013 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11014 PROMOTE_FOR_CALL_ONLY.
11016 * genrecog.c (write_subroutine): Mark variable `operands' with
11019 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11022 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11023 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11025 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11028 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11030 * config/c4x.h: Tidy up comments.
11031 * config/c4x.c: Likewise.
11033 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11035 * fold-const.c (lshift_double, rshift_double): Handle
11036 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11038 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11040 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11041 in prepare_function_start().
11043 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11045 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11046 longer allocate extra stack for function calls.
11048 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11050 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11052 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11054 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11056 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11058 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11059 * aix43.h: Revert Aug 2 change.
11060 (HAS_INIT_SECTION): Define, not visible yet.
11061 (LD_INIT_SWITCH): Define, not visible yet.
11062 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11064 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11066 * collect2.c (main): Expand ld2 size further.
11067 (export_object_lst): Cast assignment to avoid warning.
11068 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11069 (scan_prog_file, COFF): Do not collect initialization or
11070 finalization functions generated for entire shared object if
11071 init/fini support present.
11073 2000-01-07 Nick Clifton <nickc@cygnus.com>
11075 * config/elfos.h: Tidy up formatting of marcos. Make sure
11076 that .section directives are always prefixed by a tab.
11078 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11081 2000-01-07 Matt Austern <austern@sgi.com>
11083 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11086 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11088 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11090 (crtbegin.o, s-crtS): Likewise.
11092 2000-01-06 Richard Henderson <rth@cygnus.com>
11094 * alpha.md (adddi_2+1): Limit offset such that it will be
11095 loadable with a single ldah+lda pair.
11096 (adddi_2+2): Explicitly fail split if we can't make it work.
11098 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11100 * protoize.c: Conditionally include unistd.h.
11101 (IS_SAME_PATH_CHAR): New macro.
11102 (IS_SAME_PATH): New macro.
11103 (CPLUS_FILE_SUFFIX): New macro.
11104 (cplus_suffix): New static variable.
11105 (is_abspath): New static function.
11106 (in_system_include_dir): Handle DOS style pathnames.
11107 (file_could_be_converted): Likewise.
11108 (file_normally_convertible): Likewise.
11109 (directory_specified_p): Likewise.
11110 (file_excluded_p): Likewise.
11111 (abspath): Likewise.
11112 (shortpath): Likewise.
11113 (referenced_file_is_newer): Likewise.
11114 (save_def_or_dec): Likewise.
11115 (do_processing): Likewise.
11117 (edit_file): Likewise. Use rename instead of link.
11118 (rename_c_file): Likewise. Don't rename syscalls file.
11119 (munge_compile_params): Define null device for DOS based systems.
11120 (process_aux_info_file): Use binary mode if appliable.
11121 (edit_file): Likewise.
11122 * invoke.texi (Running Protoize): Document C++ suffixes used.
11124 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11125 IS_DIR_SEPARATOR macros.
11126 * collect2.c: Likewise.
11127 * cppinit.c: Likewise.
11128 * dwarf2out.c: Likewise.
11130 * gcov.c: Likewise.
11131 * prefix.c: Likewise.
11133 * toplev.c: Likewise.
11134 * system.h: And move to here.
11136 * prefix.c (update_path): Fix typo in variable name.
11138 2000-01-06 Richard Henderson <rth@cygnus.com>
11140 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11141 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11142 (count_reg_sets_1, count_reg_references): Likewise.
11143 (flow_loops_level_compute): Start counting actual loop depth at 1.
11144 (flow_loops_find): Likewise.
11145 * local-alloc.c (update_equiv_regs): Likewise.
11146 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11148 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11150 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11151 FIRST_PSEUDO_REGISTER
11152 * dwarf2out.c: Don't include frame.h
11153 * dwarfout.c: Likewise
11154 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11157 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11159 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11162 * i386.c (movsf splitter): Fix typo in my last checkin.
11164 2000-01-05 Nick Clifton <nickc@cygnus.com>
11166 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11167 own definition of this macro.
11168 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11169 flag_data_sections or UNIQUE_SECTION_P are true.
11171 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11172 unitialised data decls.
11174 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11175 being called for uninitialised data.
11177 * config/i386/interix.c (i386_pe_unique_section): Cope with
11178 being called for uninitialised data.
11180 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11181 for uninitialised data.
11183 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11184 for uninitialised data.
11186 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11187 for uninitialised data.
11189 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11190 (UNIQUE_SECTION_P): Always generate a unique section if
11191 flag_data_sections is true.
11192 (UNIQUE_SECTION): Also generate unique sections for
11193 uninitialised data.
11194 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11195 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11198 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11200 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11203 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11205 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11206 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11207 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11208 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11209 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11211 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11213 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11215 * c-decl.c (finish_enum): Simplify code to determine minimum and
11216 maximum values of the enum, and calculate the type. Remove check
11217 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11218 the DECL_INITIAL of each enumeration constant with a copy converted
11219 to the enumeration type. When updating variant types, don't bother
11220 updating the type itself.
11222 * c-typeck.c (build_binary_op): Simplify conditional expressions
11223 when weeding out spurious signed-unsigned warnings. Add new
11224 spurious warning category: if the unsigned quantity is an enum
11225 and its maximum value fits in signed_type(result_type). Update
11227 (build_conditional_expr): Warn here if one alternative is signed
11228 and the other is unsigned.
11230 2000-01-05 Nick Clifton <nickc@cygnus.com>
11232 * config/fr30/fr30.h: Remove extraneous comments.
11234 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11236 * reload1.c (choose_reload_regs): When disabling a reload, also
11237 set reload_spill_index to -1.
11239 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11241 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11243 (m68*-*-rtemself*): New target.
11244 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11245 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11246 (sparc*-*-rtemself*): New target.
11247 (sparc*-*-rtems*): Now elf not a.out.
11248 * config/i386/rtems.h: Include config/rtems.h.
11249 * config/i386/rtemself.h: Include config/rtems.h.
11250 * config/i960/rtems.h: Include config/rtems.h.
11251 * config/m68k/rtems.h: Include config/rtems.h.
11252 * config/m68k/rtemself.h: Include config/rtems.h.
11253 * config/mips/rtems64.h: Include config/rtems.h.
11254 * config/pa/rtems.h: Include config/rtems.h.
11255 * config/rs6000/rtems.h: Include config/rtems.h.
11256 * config/sh/rtems.h: Include config/rtems.h.
11257 * config/sh/rtemself.h: Include config/rtems.h.
11258 * config/sparc/rtems.h: Include config/rtems.h.
11259 * config/sparc/rtemself.h: Include config/rtems.h
11261 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11263 * final.c (shorten_branches): Correctly compute length of
11264 asms without operands.
11266 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11268 * configure.in: Add pj target.
11269 * configure: Regenerate.
11270 * config/pj: New directory.
11271 * config/pj/lib1funcs.S: New file.
11272 * config/pj/linux.h: New file.
11273 * config/pj/pj.c: New file.
11274 * config/pj/pj.md: New file.
11275 * config/pj/pjl.h: New file.
11276 * config/pj/t-pj: New file.
11277 * config/pj/xm-pj.h: New file
11279 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11281 * toplev.c (rest_of_compilation): Run shorten-branches before
11284 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11286 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11287 macros so that they're consistent with their names.
11288 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11289 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11291 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11293 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11294 modified inadvertently.
11296 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11298 * configure.in (v850*-*-rtems*): New target.
11299 * configure: Regenerate.
11300 * config/v850/rtems.h: New file.
11302 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11304 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11305 (__gthread_key_create): Likewise.
11306 (__gthread_key_dtor): Likewise.
11307 (__gthread_once): Fix logic.
11308 (__gthread_key_delete): Cast away constness.
11310 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11311 * invoke.texi: Document.
11312 * i386/mingw32.h (CPP_SPEC): Use.
11313 (LIBGCC_SPEC): Likewise.
11314 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11316 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11318 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11319 (HANDLE_PRAGMA_PACK): Undefine.
11320 (SLOW_UNALIGNED_ACCESS): Define.
11322 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11324 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11325 to default definition.
11326 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11327 (store_fixed_bit_field): Call macro with word_mode and alignment.
11328 (extract_bit_field): Call macro with relevant mode and alignment.
11329 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11330 to default definition.
11331 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11333 (move_by_pieces_ninsns): Likewise.
11334 (clear_by_pieces): Likewise.
11335 (emit_push_insn): Likewise.
11336 (store_field): Call macro with relevant mode and alignment.
11337 (expand_expr): Likewise.
11338 (expand_expr_unaligned): Likewise.
11340 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11341 (SLOW_UNALIGNED_ACCESS): Define.
11342 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11343 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11344 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11345 (toc_section): Likewise and .toc pseudo-op.
11346 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11348 (TEXT_SECTION_ASM_OP): Likewise.
11349 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11352 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11353 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11354 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11355 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11356 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11358 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11360 * regclass.c: Revert my Jan 4 change to loop cost computation.
11362 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11364 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11367 2000-01-04 Stan Cox <scox@cygnus.com>
11369 * haifa-sched.c (build_control_flow): Change unreachable simple
11370 loop test to check if current block has only one predecessor.
11371 (find_rgns): Initialize degree. Use dest as degree index, not src.
11373 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11375 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11377 * calls.c (expand_call): Likewise for
11378 `old_stack_arg_under_construction'.
11380 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11382 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11385 * gcc.c (execute): Likewise for `ut' and `st'.
11387 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11389 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11391 * jump.c (jump_optimize_1): Likewise for `temp2'.
11393 * local-alloc.c (block_alloc): Likewise for `r1'.
11395 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11397 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11398 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11400 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11403 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11404 and `goal_earlyclobber'.
11406 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11408 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11410 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11412 * unroll.c (copy_loop_body): Likewise for `copy'.
11414 * varasm.c (output_constructor): Likewise for `byte'.
11416 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11418 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11419 all FP constants for constant->reg moves.
11420 (ix86_split_to_parts): Try to convert memory address into immediate
11421 when available in the constant pool.
11422 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11424 (LEGITIMATE_CONSTANT_P): Return 1.
11425 * i386.md (pushsf): New splitter to convert constant pool memory
11426 reference to immediate.
11427 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11430 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11432 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11433 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11434 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11435 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11436 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11438 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11440 * ginclude/stdbool.h: Support compilation as C++.
11442 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11444 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11446 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11448 * regclass.c (regclass): Properly compute loop_cost. Adjust
11451 * regclass.c: Fix minor whitespace problems.
11453 2000-01-03 Anthony Green <green@cygnus.com>
11455 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11456 Restore the pic register if required.
11458 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11460 * c-common.c (format_char_info): Update comment.
11461 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11462 was recognized. Emit warning for formats new in ISO C99 only
11463 if flag_isoc9x is not set.
11465 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11467 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11469 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11471 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11472 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11473 (make_compound_operation): Choose cheaper alternative between
11474 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11476 * regclass.c (op_costs): Remove global variable.
11477 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11478 (record_operand_costs): Break out from ...
11479 (scan_one_insn): ... here.
11480 (dump_regclass): Make dumps nicer.
11481 (regclass): Dump preferrences choosed and changes done during passes.
11483 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11485 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11487 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11489 * config/sparc/sparc.c (gen_df_reg): New function.
11490 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11491 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11492 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11493 movtf_cc_reg_sp64+1): Use it.
11495 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11497 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11498 copied LABEL_DECLs.
11500 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11502 * config/i386/i386.c (ix86_expand_unary_operator): Function
11503 definition made void.
11504 (ix86_expand_binary_operator): Update outdated preceding comment.
11505 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11508 * config/i386/i386.c (override_options): Fix option-name typo.
11510 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11512 * system.h (CEIL): Define.
11513 * builtins.c (CEIL): Remove.
11514 * expmed.c (CEIL): Likewise.
11515 * expr.c (CEIL): Likewise.
11516 * stor-layout.c (CEIL): Likewise.
11518 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11520 * expr.c (store_constructor_field): Fix typo introduced with last
11523 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11525 * tree.h (BINFO_N_BASETYPES): New macro.
11527 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11529 * expmed.c (emit_store_flag): Prevent losing a pending stack
11530 adjust the same way we prevent losing queued increments.
11532 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11534 * function.c (update_temp_slot_address): Handle case where sum of
11535 temporary address plus offset in register is a valid address.
11537 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11539 * genrecog.c (change_state) Corrected typo.
11541 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11543 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11544 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11545 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11547 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11549 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11550 case, expand GT comparisons correctly. Fix a comment before this
11553 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11555 * dwarfout.c: Include "frame.h"
11556 * dwarf2out.c: Likewise.
11557 * Makefile.in (dwarfout.o): Depend on frame.h
11558 (dwarf2out.o): Likewise.
11560 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11562 Restore i386 binary compatibility in Dwarf EH info.
11563 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11564 value of FIRST_PSEUDO_REGISTER.
11565 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11566 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11567 * dwarfout.c (output_reg_number): Ditto.
11568 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11569 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11571 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11573 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11574 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11575 (<hack>_RE_CT): not needed
11576 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11577 rewritten to scan the file text once only
11578 "template<..." test added
11579 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11580 (is_cxx_header): declaration added
11581 * fixinc/fixtests.c(is_cxx_header): removed
11582 (apply_fix_p_t): removed
11583 (double_slash_test): is_cxx_header is only called once now
11584 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11585 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11586 within the templates.
11587 The borken spelling of "broken" was fixed.
11588 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11589 The default level depends on FIXINC_DEBUG.
11591 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11593 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11594 Otherwise provide a declaration for atexit.
11595 (init_dummy): Make sure dummy call to atexit is nevertheless
11596 called with correct number of args.
11598 * frame.c: Update comments referring to other files.
11600 * libgcc2.c: Likewise.
11602 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11604 * cse.c (free_element, get_element): Remove unused prototypes.
11606 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11609 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11612 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11614 * configure.in,configure: case arm for mn10200-*-* now sets
11615 float_format=i32 so that float.h will correctly claim "double"
11616 to be 32 bits. Ran autoconf to generate configure from .in file.
11618 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11620 * pa.md (conditional zero): If op1 is a register, force it into
11621 the same register as op0.
11623 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11625 * tree.h (BINFO_BASETYPES): Improve documentation.
11627 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11629 * configure.in (--enable-checking): Use a more portable `for'
11632 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11634 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11635 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11637 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11640 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11641 Delete descriptions.
11643 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11644 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11645 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11646 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11647 xm-svr4.h: Remove all instances of sys_siglist handling.
11649 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11651 * config/sparc/sparc.md (cmp_zero_qi,
11652 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11653 cmp_zero_extendqidi2_andcc_set): New patterns.
11655 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11657 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11658 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11659 (fpgnulib.c, xfgnulib.c): Add rules.
11660 * m68k/t-mot3300-gas: Likewise.
11662 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11664 * configure.in: Avoid [[ by using test and changequote. Add
11665 changequote required by 1999-12-14 change.
11666 * configure: Rebuild.
11668 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11670 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11672 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11674 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11675 * flow.c (find_use_as_address): Likewise.
11676 * function.c (fixup_var_refs_1): Likewise.
11677 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11678 * jump.c (invert_exp, redirect_exp): Likewise.
11679 * loop.c (replace_call_address): Likewise.
11680 (count_nonfixed_reads): Likewise.
11681 * rtlanal.c (modified_between_p): Likewise.
11682 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11683 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11684 * unroll.c (remap_split_bivs): Likewise.
11686 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11688 * diagnostic.c (v_message_with_decl): Use .* format specifier
11689 instead of building the format specifier width manually.
11691 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11692 determining whether to provide a prototype. Remove the
11693 sys_siglist clause in the conditional.
11695 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11697 * fold-const.c (operand_equal_p): Use memcmp to compare string
11699 Suggested by D. J. Bernstein
11701 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11703 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11704 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11706 * config/mips/mips.h (TARGET_64BIT): Likewise.
11707 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11708 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11709 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11710 dsps. Give routines proper names if SI/DI modes are not used.
11711 * longlong.h: Use DWunion instead of DIunion.
11713 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11715 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11716 GC_CHECKING, GC_ALWAYS_COLLECT.
11717 * configure.in: Allow --enable-checking with an argument
11718 listing check modes to enable.
11719 * config.in, configure: Rebuilt.
11720 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11721 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11722 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11723 ENABLE_GC_ALWAYS_COLLECT.
11724 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11726 * tree.h, tree.c: Change ENABLE_CHECKING to
11727 ENABLE_TREE_CHECKING throughout.
11729 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11731 * fold-const.c (fold_truthop): Properly check for FP RHS.
11733 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11735 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11736 * toplev.c (note_deferral_of_defined_inline_function): New
11737 function, split out from ...
11738 (rest_of_compilation): ... here. Use it.
11740 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11742 * expr.c (store_constructor): Don't call clear_storage if size is
11745 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11747 * Makefile.in (toplev.o): Depend on loop.h.
11749 * dwarfout.c: Include tm_p.h.
11751 * emit-rtl.c (restore_emit_status): Mark parameter with
11754 * final.c (final_scan_insn): Likewise.
11756 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11757 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11758 flow_depth_first_order_compute, flow_loop_pre_header_find,
11759 flow_loop_tree_node_add, flow_loops_tree_build,
11760 flow_loop_level_compute, flow_loops_level_compute,
11761 flow_loop_outside_edge_p): Add prototypes.
11762 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11764 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11765 Mark with ATTRIBUTE_NORETURN.
11767 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11769 * local-alloc.c (no_conflict_p): Likewise.
11771 * loop.c (insert_bct): Hide definitions of variables with hidden
11773 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11775 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11776 with ATTRIBUTE_UNUSED.
11777 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11778 (reg_scan): Likewise.
11780 * reload.c (find_reloads): Remove unused variables `changed'.
11782 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11784 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11785 Remove unused variable `insn'.
11787 * toplev.c: Include loop.h.
11788 (report_file_and_line): Remove unnecessary prototype.
11790 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11792 * unroll.c (biv_total_increment): Likewise.
11794 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11796 * reload1.c (emit_input_reload_insns): Restore old behaviour
11797 wrt. 'special' reloads.
11799 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11801 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11802 hash.h. (cse.c): Don't depend on hashtab.h.
11804 * cse.c: Don't include hashtab.h.
11805 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11807 * ggc-simple.c: Don't include hash.h.
11809 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11811 * dwarf2out.c (add_abstract_origin_attribute): Call
11812 gen_abstract_function on our function context.
11814 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11816 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11818 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11820 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11823 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11825 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11826 constraints to "a!r".
11828 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11830 * Makefile.in (calls.o): Depend on function.h.
11831 (alias.o): Likewise.
11833 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11835 * reload1.c (emit_reload_insns): Break out code and variables into...
11836 (input_reload_insns, other_input_address_reload_insns,
11837 other_input_reload_insns, input_address_reload_insns,
11838 inpaddr_address_reload_insns, output_reload_insns,
11839 output_address_reload_insns, outaddr_address_reload_insns,
11840 operand_reload_insns, other_operand_reload_insns,
11841 other_output_reload_insns): ... new static variables, and...
11842 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11843 do_output_reload): ... new functions.
11845 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11847 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11849 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11851 * md.texi: Add c4x constraints documentation.
11853 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11855 * config/i386/dgux.c (struct option): Rename to
11856 lang_independent_option.
11857 (struct m_options): Add description field.
11858 (output_options): Rename option type, add sep declaration, output
11859 ix86_cpu_string and ix86_arch_string only if set.
11860 (output_file_start): Rename option type.
11862 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11864 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11866 (libgcc2.a): Similarly.
11868 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11870 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11871 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11872 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11874 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11876 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11877 Remove redundant initialization of "frexpon" and "expon".
11879 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11881 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11883 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11884 (store_constructor_field, expand_expr): Pass new arg.
11886 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11888 * Makefile.in (explow.o): Depend on function.h.
11890 * stor-layout.c (set_sizetype): Fix typo.
11892 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11894 * function.c (cfun): Renamed from current_function. All users
11896 * function.h (cfun): Rename declaration as well.
11898 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11899 to be of type regset_head, not regset. All users changed by adding
11901 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11903 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11905 * config/c4x/rtems.h: New file.
11907 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11909 * reload1.c (spill_failure): Take class of failed reload as argument
11910 and print it. Caller changed.
11912 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11914 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11915 (TARGET_SWITCHES): Allow subtargets to default switches.
11916 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11918 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11920 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11923 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11925 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11926 * cppinit.c (cpp_handle_option): Likewise.
11928 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11929 determine when to define.
11931 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11933 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11934 cmove with mismatched test and data modes.
11936 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11938 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11941 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11943 * alias.c: Minor reformatting.
11944 * flow.c: Likewise.
11945 * regs.h: Likewise.
11946 * stor-layout.c: Likewise.
11947 * fold-const.c: Likewise.
11948 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
11949 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
11951 (size_int_wide): Cache nodes even if garbage collecting.
11952 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
11953 of SAVE_EXPR has no side effects.
11954 * cse.c: Move a comment.
11955 * tree.c: Minor reformatting.
11956 (int_size_in_bytes): Return -1 if constant overflows.
11958 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11960 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
11962 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
11964 * objc/objc-parse.c: Regenerate. This file must be rebuilt
11965 after any change to c-parse.in, even if objc-parse.y didn't
11968 1999-12-18 David S. Miller <davem@redhat.com>
11970 * toplev.c (rest_of_compilation): Restore BLOCK tree
11971 reconstruction and branch shortening changes lost in
11972 December 18th change.
11974 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
11976 * config/arm/linux-elf.h: Change all instances of
11977 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
11978 * config/arm/uclinux-elf.h: Likewise.
11980 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
11982 * toplev.c (notice, vmessage, v_message_with_file_and_line,
11983 v_message_with_decl, file_and_line_for_asm,
11984 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
11985 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
11986 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
11987 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
11988 pfatal_with_name, fatal_io_error, need_error_newline,
11989 last_error_function, last_error_tick, announce_function,
11990 default_print_error_function, print_error_function,
11991 report_error_function, fnotice, error_with_file_and_line,
11992 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
11993 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
11994 warning_with_decl, warning_for_asm, warning, pedwarn,
11995 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
11997 (compile_file): Use fnotice instead of notice. Adjust call.
11999 * diagnostic.c: New file.
12001 * Makefile.in (OBJS): Include diagnostic.o
12002 (diagnostic.o): Define dependence.
12004 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12006 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12009 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12011 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12013 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12015 * fixtests.c (is_cxx_header): New fn, split out of
12017 (else_endif_label): Allow "#endif // comment" in C++ headers,
12018 as determined by is_cxx_header.
12019 * fixfixes.c (else_endif_label_fix): Update comment.
12020 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12022 * genfixes: Correct double thinko in commandline parsing.
12023 * hackshell.tpl: Generate correct sh syntax for bypass
12026 * inclhack.def (all): Whenever an inserted preprocessor
12027 conditional is split over multiple lines, use double
12028 backslashes in this file so the fixed header will be readable.
12030 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12031 and add bypass entry for correct version of this header.
12032 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12033 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12035 (hpux8_bogus_inlines): New fix, split from...
12036 (ultrix_atof_param) ... here.
12037 (math_expression): Add bypass entry keyed to glibc comment
12038 indicating the problem has been dealt with; disable
12039 unnecessary sed operations; update commentary.
12040 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12041 add select and bypass entries, simplify shell operation.
12042 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12044 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12045 ultrix_atof_param): Add select entry.
12046 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12047 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12048 comments with the fixes they describe.
12050 * c-parse.in (string action): Do not warn about ANSI string
12051 concatenation in system headers. Affects C parser only.
12052 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12054 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12056 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12057 compiling libgcc2 the macro depends always on arch cpp defines.
12059 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12061 * loop.c (insert_loop_mem): Don't record MEMs from inside
12064 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12066 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12068 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12069 notes too, create one when replacement failed, attempt to simplify
12071 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12072 or REG_EQUIV notes.
12074 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12076 * crtstuff.c (__dso_handle): Declare.
12077 (__cxa_finalize): Likewise.
12078 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12081 * invoke.texi: Document -fuse-cxa-atexit.
12083 * tree.h (ptr_type_node): Document.
12084 (const_ptr_type_node): Likewise.
12086 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12088 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12089 (optimize_reg_copy_2): Likewise.
12090 (optimize_reg_copy_3): Likewise.
12091 (fixup_match_2): Likewise.
12092 (regmove_optimize): Likewise.
12093 (fixup_match_1): Liekwise.
12095 * i386.md (HI to SImode promoting splitters): Rewrite.
12096 (pushsf mem peep2): New.
12097 (testhi to andhi peep2): Remove.
12098 * i386.h (x86_promote_QImode): New.
12099 (TARGET_PROMOTE_QImode): New.
12100 (PREDICATE_CODES): Add promotable_binary_operator.
12101 * i386.c (x86_promote_QImode0: New.
12102 (promotable_binary_operator): New.
12103 * i386-protos.h (promotable_binary_operator): New.
12105 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12107 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12109 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12111 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12112 * function.c (insert_block_after_note): Remove.
12113 (retrofit_block): Likewise.
12114 (identify_blocks): Fix indentation.
12115 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12116 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12117 * function.h (insert_block_after_note): Remove prototype.
12118 (retrofit_block): Likewise.
12119 * integrate.c (expand_inline_function): Don't call
12120 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12121 just expand_start_bindings. Use the block_map to remap old
12122 NOTE_BLOCKs to new ones.
12123 (integrate_decl_tree): Keep track of remapped blocks.
12124 * integrate.h (struct inline_remap): Add block_map.
12125 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12126 NOTE_BLOCK on the notes.
12127 (expand_start_bindings): Rename to ...
12128 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12129 (expand_end_bindings): Set NOTE_BLOCK.
12130 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12131 reconstruct the BLOCK tree.
12132 * tree.h (expand_start_bindings): Macroize. Call ...
12133 (expand_start_bindings_and_block): New function.
12135 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12137 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12138 to match the format.
12140 1999-12-16 David S. Miller <davem@redhat.com>
12142 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12143 the outputs is a SUBREG.
12144 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12147 * config/sparc/sparc.c (epilogue_renumber): Add default case
12150 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12152 * toplev.c (rest_of_compilation): Run branch shortening after
12155 * regclass.c (loop_depth): Remove
12156 (scan_one_insn): Do not handle LOOP_NOTE insns.
12157 (regclass): Go through basic blocks and set loop_cost
12159 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12161 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12163 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12165 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12166 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12167 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12169 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12171 * loop.c (insert_loop_mem): Ignore memory clobbers.
12173 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12176 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12178 * profile.c: Remove redundant #include "output.h".
12180 * h8300.md (HImode preinc peephole): Fix typo.
12182 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12184 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12185 (insert_block_after_note): Abort if we don't have a previous block.
12186 Remove FN parameter.
12187 * function.h: Adjust.
12189 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12191 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12192 argument more than once.
12194 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12196 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12198 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12200 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12202 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12204 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12205 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12206 update stack_alignment_needed.
12207 (prepare_function_start): Initialize stack_alignment_needed
12208 * function.h (struct function): Add field stack_alignment_needed.
12210 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12212 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12213 Handle live_throughout / dead_or_set instead of live_before /
12215 (save_call_clobbered_regs): Get register livenessinformation from
12216 chain->live_throughout.
12217 (add_stored_regs): New function.
12218 (insert_restore, insert_save): Add restored / saved registers to
12220 * global.c (reg_dies): New parameter chain.
12221 (reg_becomes_live): Third parameter is regs_set now.
12222 Changed all callers.
12223 (reg_dies): New parameter chain. Changed all callers.
12224 (build_insn_chain): Set live_throughout instead of
12225 live_before / live_after.
12226 * reload.h (struct insn_chain): Replace members live_before /
12227 live_after with live_throughout / dead_or_set.
12228 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12229 instead of live_before / live_after.
12230 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12231 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12232 (choose_reload_regs_init): Likewise.
12233 * stupid.c (current_chain, find_clobbered_regs): Delete.
12234 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12235 instead of chain->live_before / chain->live_after.
12236 (mark_hard_ref): New function.
12237 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12239 1999-12-15 David S. Miller <davem@redhat.com>
12241 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12243 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12245 * flow.c (calculate_loop_depth): Make global, remove prototype,
12246 rewrite to use new loop infrastructure.
12247 (find_basic_block): Remove calculate_loop_depth call.
12248 * toplev.c (rest_of_compilation): Call find_basic_block.
12249 * output.h (calculate_loop_depth): Declare.
12251 * flow.c (dump_flow_info): Dump loop_depth.
12252 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12254 (flow_loops_find): Initialize the loop_depth for each basic block.
12256 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12258 * tree.c (decl_function_context): Handle virtual functions.
12260 * tlink.c (scan_linker_output): Don't look in demangled name when
12261 looking for linker output keywords.
12263 * dwarfout.c (output_type): We can defer namespace-scope classes.
12265 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12267 * regclass.c (record_reg_classes): Update comment for merging
12268 register class preferences in reg->reg copies. Tighten conditions
12269 for merging register class preferences in reg->reg copies.
12271 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12273 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12275 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12277 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12278 (INIT_SECTION_ASM_OP): Delete.
12279 (FINI_SECTION_ASM_OP): Delete.
12280 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12282 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12284 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12285 the abstract origin wasn't emitted.
12287 * dwarf2out.c (class_scope_p): New fn.
12288 (gen_subprogram_die): Use it.
12289 (gen_variable_die): Use it. Tweak logic.
12290 (gen_struct_or_union_type_die): Check context_die to determine
12291 if we're function-local.
12292 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12294 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12296 * loop.c (check_dbra_loop): Can't reverse a biv that has
12297 maybe_multiple set.
12299 1999-12-14 Nick Clifton <nickc@cygnus.com>
12301 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12304 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12306 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12307 for givs made from biv increments.
12309 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12311 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12312 * alpha.c (override_options): Recognize -mcpu=ev67.
12313 * alpha.h (CPP_CPU_EV67_SPEC): New.
12314 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12315 (EXTRA_SPECS): Update.
12317 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12319 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12320 appropriate for -lang-c89 and -std=*.
12321 * cppinit.c (cpp_handle_option): Likewise.
12322 (new_pending_define): New, split out from cpp_handle_option.
12323 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12324 or enable trigraphs for -ansi/-std=*.
12326 * ginclude/stdarg.h (__va_copy): New.
12327 (va_copy): Don't define for C89.
12329 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12331 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12332 for long long multiply-accumulate.
12334 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12336 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12337 optimizing for size.
12339 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12341 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12342 if something changed. Back out that part of yesterday's changes.
12344 * loop.c (loop_max_reg): New static variable.
12345 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12347 (scan_loop): Call reg_scan_update whenever we may have added new
12348 registers, and update loop_max_reg.
12350 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12352 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12353 when source does not die.
12355 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12357 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12359 * config/sparc/linux64.h (TARGET_LIVE_G0,
12360 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12362 * config/sparc/linux.h (TARGET_LIVE_G0,
12363 TARGET_BROKEN_SAVERESTORE): Likewise.
12364 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12365 TARGET_BROKEN_SAVERESTORE): Likewise.
12367 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12368 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12370 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12371 as sparc64 block profiling register.
12372 * config/sparc/sparc.c (sparc_override_options): Allow block
12373 profiling with -m32.
12374 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12375 profiling register.
12376 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12377 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12378 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12380 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12382 * config/sparc/sparc.h: Likewise.
12383 * config/sparc/xm-sysv4-64.h: Likewise.
12384 * config/float-sparc.h: Likewise.
12385 * glimits.h: Likewise.
12386 * longlong.h: Likewise.
12388 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12389 (ASM_IDENTIFY_GCC): Remove.
12391 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12393 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12394 (simplify_logical): Likewise.
12396 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12398 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12399 * cppfiles.c (INO_T_EQ): Likewise.
12401 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12403 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12404 * i386/mingw32.h (LIB_SPEC): Likewise.
12405 (STARTFILE_SPEC): Likewise.
12406 * i386/uwin.h (LIB_SPEC): Likewise.
12407 (STARTFILE_SPEC): Likewise.
12409 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12410 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12412 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12414 * combine.c (combine_simplify_rtx): Fix order of checks for
12415 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12417 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12419 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12420 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12422 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12424 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12426 * regclass.c (inv_reg_alloc_order): New array.
12427 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12429 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12430 counted_for_groups, counted_for_nongroups. Add fields rld and
12432 * reload.c (push_secondary_reload): Don't set nongroup field of
12434 (push_reload): Likewise.
12435 (find_reloads): Delete code to compute nongroup fields.
12436 * reload1.c (reload_insn_firstobj): New static variable.
12437 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12439 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12440 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12441 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12443 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12445 (struct hard_reg_n_uses): Deleted.
12446 (potential_reload_regs): Deleted.
12447 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12448 (reload): Don't try to allocate reload registers if we already know
12449 we have to make another pass. Call select_reload_regs. Free memory
12450 starting with reload_firstobj when starting another pass.
12451 Don't allocate spilled_pseudos.
12452 (calculate_needs_all_insns): Call copy_reloads for an insn that
12453 needs reloads; don't call calculate_needs.
12454 (spill_cost): New static array.
12455 (used_spill_regs_local): New static variable.
12456 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12457 to compute potential_reload_regs.
12458 (find_reload_regs): Completely rewritten to use find_reg.
12459 (allocate_reload_reg): Don't test counted_for_groups or
12460 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12461 all cllers changed.
12462 (choose_reload_regs): Add fallback code that uses the existing
12463 register allocation from find_reload_regs.
12465 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12467 * flow.c (create_edge_list): Cast xmalloc return value.
12469 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12471 * doprnt.c: Remove incorrect comment closure.
12473 * cse.c: Fix a few minor whitespace goofs.
12475 1999-12-13 Don Bowman <don@pixstream.com>
12477 * mips/vxworks.h: Fix problem with comment termination.
12478 (EXTRA_SECTIONS): Add in_sbss.
12479 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12481 1999-12-12 David S. Miller <davem@redhat.com>
12483 * cse.c (struct cse_reg_info): Add hash_next member,
12484 reorder rest of struct for better packing on 64-bit
12486 (cse_reg_info_tree): Kill.
12487 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12488 REGHASH_FN): New custom pow2 hash mechanism.
12490 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12491 use a pow2 hash table.
12492 (get_cse_reg_info): Rework to use new REGHASH.
12493 (new_basic_block): Likewise, use HASH_SIZE, and inline
12495 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12496 and inline free_element call.
12497 (lookup_as_function, insert, flush_hash_table, invalidate,
12498 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12499 invalidate_for_call, use_related_value, find_comparison_args,
12500 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12501 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12502 get_element): Kill.
12504 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12506 * cse.c (cse_basic_block): Free qty_table consistently.
12508 1999-12-12 David S. Miller <davem@redhat.com>
12509 Jakub Jelinek <jakub@redhat.com>
12511 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12512 SUBREGs by hand, gen the appropriate hard reg directly.
12513 (movtf reg/mem split): Likewise and alter_subreg on destination
12515 (movtf mem/reg split): Similarly.
12516 (movdf_cc_sp64): Rename from hidden pattern.
12517 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12518 (movtf_cc_sp64, following split): New pattern and splitter.
12519 (movdf_cc_reg_sp64): Rename from hidden pattern.
12520 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12522 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12524 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12526 * loop.c (load_mems): Don't hoist written floating point mem
12529 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12531 * except.h (struct eh_queue): Add `next' pointer.
12532 (struct eh_status): Make x_ehqueue a pointer.
12533 (push_ehqueue): Declare.
12534 (pop_ehqueue): Likewise.
12535 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12537 (expand_fixup_region_end): Likewise.
12538 (expand_leftover_cleanups): Likewise.
12539 (push_ehqueue): Define.
12540 (pop_ehqueue): Likewise.
12541 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12542 than doing it inline.
12543 (expand_start_all_catch): Adjust now that ehqueue is a
12545 (mark_eh_queue): Mark all level of the queue.
12546 (mark_eh_status): Adjust now that ehqueue is a
12548 (init_eh_for_function): Allocate ehqueue.
12549 (free_eh_status): Free it.
12550 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12551 expansion for a fixup.
12553 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12555 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12557 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12558 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12559 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12560 function_ptr, getpagesize, __enable_execute_stack,
12561 __enable_execute_stack, __clear_insn_cache,
12562 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12563 _cleanup, _exit, __default_terminate, __terminate_func,
12564 __terminate, __empty, __throw, new_eh_context,
12565 eh_context_initialize, eh_context_static, eh_context_specific,
12566 get_eh_context, __get_eh_context, __get_eh_info,
12567 init_reg_size_table, eh_threads_initialize,
12568 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12569 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12570 __pure_virtual): Add prototype arguments.
12571 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12572 Cast a signed value to unsigned long when comparing against one.
12573 (new_eh_context): Wrap in _GTHREADS macro.
12574 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12576 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12577 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12579 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12581 * combine.c (record_promoted_value): Remove unused variable
12584 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12586 * global.c (record_conflicts): Likewise for `j'.
12588 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12591 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12593 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12594 output_fp_compare): Constify a char*.
12596 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12598 (override_options, ix86_comp_type_attributes, print_operand,
12599 output_387_binary_op, output_fix_trunc, output_fp_compare):
12601 (ix86_sched_reorder): Mark parameter `clock_var' with
12604 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12606 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12608 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12609 operand, for use in the Java front-end.
12611 1999-12-10 Ben Collins <bcollins@debian.org>
12613 * configure.in: Fix typo for "-64" in 64bit as check.
12614 * configure: Rebuilt.
12616 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12618 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12621 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12623 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12624 concatenation is utilized.
12626 * invoke.texi (-Wtraditional): Document it.
12628 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12630 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12631 Cast a ptrdiff_t to long and pass it to printf with %ld.
12633 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12635 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12636 68881, we have no 68881 registers at all.
12637 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12638 value in a 68881 register if it is available.
12640 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12642 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12643 for long long multiply-accumulate.
12645 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12647 * loop.c (insert_loop_mem): Undo last change.
12649 1999-12-10 David S. Miller <davem@redhat.com>
12651 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12653 * config/sparc/sparc-protos.h: Add them.
12654 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12655 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12656 constraints which use those helpers.
12657 (EXTRA_CONSTRAINT): Use this new macro.
12658 * md.texi: Update sparc target constraints documentation.
12659 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12660 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12661 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12662 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12663 (movsf high/lo_sum split): Rework for new patterns.
12664 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12666 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12668 * c-common.c (c_common_nodes_and_builtins):
12669 Create __builtin_ptrdiff_t and __builtin_size_t.
12671 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12673 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12675 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12677 * regclass.c (globalize_reg): Re-instate test that allows
12678 fixed registers to be declared as a variable even after functions
12681 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12683 * i386.md (cpu attribute): Add "athlon".
12684 (athlon_decode): New attribute.
12685 (Athlon scheduling units definitions): New.
12686 (fcmp and shld patterns): Set athlon_decode to "vector".
12687 * i386.c (athlon_cost): New.
12689 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12690 x86_use_sahf): Set for Athlon.
12691 (x86_use_fiop): Unset for Athlon.
12692 (override_options): Define Athlon alignments and "athlon" name.
12693 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12694 * i386.h (TARGET_ATHLON): New.
12695 (enum processor_type): Add PROCESSOR_ATHLON.
12696 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12698 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12700 1999-12-09 Andreas Jaeger <aj@suse.de>
12702 * loop.c (record_biv): Declare parameter as int.
12704 * config/i386/i386-protos.h: Declare long_memory_operand.
12706 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12708 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12709 EXPR_WITH_FILE_LOCATION.
12711 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12713 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12716 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12718 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12721 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12723 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12724 default on linux64 again.
12725 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12726 models for multilibing.
12727 * genmultilib: Accept | as alternative separator within a set in
12730 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12732 * calls.c (precompute_arguments): Make sure initial_value contains
12733 value pseudo which CSE expects.
12734 * cse.c (struct set): New entry orig_src.
12735 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12738 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12740 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12742 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12744 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12746 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12748 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12749 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12751 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12754 * longlong.h: Merge in changes from glibc.
12755 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12756 -mno-app-regs libgcc can be compiled.
12757 * libgcc2.c: Add defines so that the updated longlong.h
12758 can be used in libgcc2.a. Also, make sure on most architectures
12759 (at least on all which have optimized code in longlong.h defined
12760 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12762 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12764 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12765 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12766 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12768 * configure: Rebuilt.
12770 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12772 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12773 outputs require a register.
12775 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12777 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12778 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12779 functions like dptoul will be resolved.
12780 (libgcc2.a): Make sure that the object files from DPBIT are named
12781 differently (prefix `_dp') from those that would be coming from
12784 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12786 * configure.in: When target is sparc* and tm_file contains 64,
12787 test for 64bit support in assembler. If not supported, remove
12788 sparc/t-sol2-64 from target-dependent Makefile fragments.
12789 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12790 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12791 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12792 * acconfig.h (AS_SPARC64_FLAG): Added.
12793 * configure, config.in: Rebuilt.
12794 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12795 support. Use AS_SPARC64_FLAG.
12797 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12799 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12800 suitable for holding OFmode values so that gcc works with complex
12802 (hard_64bit_mode_classes): Likewise.
12804 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12805 so that it is actually matched.
12806 (sethi_di_medlow): Likewise.
12808 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12809 as legitimate constant if -mvis.
12810 * config/sparc/sparc.md (movtf): Likewise.
12811 (clear_sf): Use const_double_operand.
12812 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12814 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12815 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12816 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12817 routines, _Qp_* cannot be handled like that now.
12818 (INIT_TARGET_OPTABS): Likewise.
12819 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12820 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12821 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12822 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12823 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12824 divtf3, sqrttf3): New expanders.
12825 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12826 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12827 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12830 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12831 * configure: Rebuilt.
12832 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12833 -mcpu is given and we're doing 64bit compiles.
12835 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12837 * loop.h (struct induction): Add multi_insn_incr.
12838 * loop.c (basic_induction_var): New multi_insn_incr argument.
12839 Set it if we search back through previous insns for the biv.
12840 (record_biv): New multi_insn_incr argument; fill in struct induction.
12841 (strength_reduce): Discard an iv with multiple bivs, any of
12842 which require multiple insns to increment.
12844 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12846 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12849 1999-12-06 David S. Miller <davem@redhat.com>
12851 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12852 PROMOTE_FUNCTION_RETURN.
12854 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12856 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12857 and handle REG_UNUSED note on insn.
12859 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12860 inner_mask instead of mask.
12862 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12864 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12865 zero if there was an error.
12867 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12869 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12872 * longlong.h: Fix clobbers in SPARC asm statements.
12874 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12875 valid sethi operations when TARGET_ARCH64.
12877 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12878 always use move_by_pieces to avoid infinite recursion.
12879 (restore_fixed_argument_area): Likewise.
12881 * combine.c (check_promoted_subreg, record_promoted_value): New
12883 (combine_instructions): Use them to retain nonzero and sign bit
12884 information after SUBREGs are eliminated by optimizations in
12885 this pass if PROMOTE_FUNCTION_RETURN.
12887 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12888 .register declaration. Don't use variables with __ prefixes.
12890 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12892 * fold-const.c (optimize_bit_field_compare): Only use one mode
12893 for both RHS and LHS in non-constant case.
12895 1999-12-06 Nathan Sidwell <nathan@acm.org>
12897 * frame.c (start_fde_sort): Only allocate erratic array, if
12898 linear one was allocated. Return allocated flag.
12899 (fde_insert): Only insert, if there's a valid array.
12900 (fde_end_sort): Split, sort and merge if linear and erratic
12901 arrays exist, else just sort linear one.
12902 (search_fdes): New function. Linear search through original fde
12904 (frame_init): Permit multiple initializations. Cope with
12906 (find_fde): Fallback on linear search, if failed to sort array.
12907 (__deregister_frame_info): Only free sorted array, if we
12910 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12912 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12914 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12916 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12918 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12920 * tree.h (special_function_p): Declare.
12921 * calls.c (special_function_p): Make it global. Don't take `name'
12922 as a parameter. Fix typo in 1999-11-28 change.
12923 (expand_cal): Adjust.
12925 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12927 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12928 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12929 EXPR_WFL_FILENAME_NODE.
12930 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12932 * print-tree.c (print_note): Print TREE_PRIVATE and
12935 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12936 the original die cannot be found.
12938 * varray.h (varray_head_tag): Add elements_used.
12939 (VARRAY_PUSH): New macro.
12940 (VARRAY_POP): Likewise.
12941 (VARRAY_TOP): Likewise.
12942 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12944 * varray.c (varray_init): Initialize elements_used.
12945 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12946 (INTEGRATE_H): New variable.
12947 (integrate.o): Depend on INTEGRATE_H.
12948 (unroll.o): Likewise.
12950 * function.h (insert_block_after_note): Declare.
12951 * function.c (insert_block_after_note): Split out from ...
12952 (retrofit_block): ... here.
12954 * stmt.c (expand_fixup): Fix typo in comment.
12956 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12958 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
12959 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
12960 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
12961 (regmove_optimize, fixup_match_1): Likewise.
12963 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12965 * flow.c (flow_loops_dump): Add missing argument when calling
12966 flow_loop_nested_p.
12968 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
12969 Greg McGary <gkm@gnu.org>
12971 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
12972 (init_attributes): Add A_NO_LIMIT_STACK.
12973 (decl_attributes): Handle A_NO_LIMIT_STACK.
12974 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
12975 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
12976 Handle stack bounds checking.
12977 * flags.h (flag_stack_check): Use the word 'probe' rather than
12978 'check', because the flag doesn't actually cause any checking to
12980 * function.c (expand_function_start): Set
12981 current_function_limit_stack.
12982 * function.h (struct function): Add limit_stack.
12983 (current_function_limit_stack): Define.
12984 * invoke.texi (Code Gen Options): Document new options.
12985 * rtl.h: Declare stack_limit_rtx.
12986 * toplev.c (stack_limit_rtx): New variable.
12987 (decode_f_option): Handle new options -fstack-limit-register=REG,
12988 -fstack-limit-symbol=IDENT, -fno-stack-limit.
12989 (main): Add stack_limit_rtx as GC root.
12990 * tree.h (DECL_NO_LIMIT_STACK): New macro.
12991 (struct tree_decl): New member no_limit_stack.
12993 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
12995 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
12996 (conditional_trap+1): Get new mnemonic correct.
12997 (conditional_trap+2): New pattern for DImode traps.
12999 * config/m68k/m68k.c (output_function_prologue): Handle
13001 * config/m68k/m68k.md (trap): New insn.
13002 (conditional_trap): New insn.
13003 * md.texi (Standard Names): Document `trap' and
13004 `conditional_trap'.
13005 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13006 so a cc0 setter doesn't get emitted at some random place in the
13009 * config/i960/i960.md (trap): New insn.
13010 (conditional_trap): New expander.
13011 (conditional_trap+1, conditional_trap+2): New insns for signed
13012 and unsigned cases.
13013 * config/i960/i960.c (i960_function_prologue): Use
13014 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13016 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13017 Geoffrey Keating <geoffk@cygnus.com>
13019 * flags.h (warn_padded, warn_packed): Add global var decls.
13020 * toplev.c (warn_padded, warn_packed): Add global var defns.
13021 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13022 * stor-layout.c (layout_record): Add local variable `type'
13023 to hold often-used TREE_TYPE (field). Add local variable
13024 `unpacked_align' to hold alignment that would be in force
13025 if no `packed' attribute were present. Warn if `packed' attribute
13026 is unnecessary, or even harmful. Warn when gcc inserts padding
13027 to satisfy alignment requirements of members. Use NULL_TREE
13028 when checking whether var_size is set.
13029 * invoke.texi: Document new flags.
13031 1999-12-03 Nathan Sidwell <nathan@acm.org>
13033 * frame.c (fde_split): Reimplement to avoid variable sized array.
13035 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13037 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13038 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13040 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13042 * invoke.texi: Document the mips option -mno-crt0
13044 1999-12-02 Mike Karr <mkarr@mathworks.com>
13046 * cccp.c (argdata): Added free_ptr member.
13047 (macroexpand): Initialize free_ptr of each argument. When an
13048 argument's buffers are freed, if the argument's free_ptr corresponds
13049 to a buffer on the input stack, then return the free_ptr to that stack
13050 frame, otherwise, free it.
13051 (macarg): If an argument begins and ends on the same input stack level,
13052 then transfer the free_ptr of that buffer to the argument in case
13053 the stack is popped during the processing of a subsequent argument.
13055 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13057 * loop.c (note_reg_stored): New function.
13058 (struct note_reg_stored_arg): New structure.
13059 (try_copy_prop): Change to be more conservative; only replace within
13060 one extended basic block and stop replacing if a store to the
13061 replacement reg is seen.
13063 1999-12-02 Nick Clifton <nickc@cygnus.com>
13065 * config/fp-bit.c: Initialise all fields of the NAN
13068 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13071 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13073 * i386.md (extend?f?f2): Force the input into a register, not
13076 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13078 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13080 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13081 alternative because setting up 64bit constant is usually costly,
13082 especially when reload is in progress or completed.
13083 (movdf_const_intreg_sp64): Likewise.
13084 (movdf_const_intreg split): Fix building up constants when
13085 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13087 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13089 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13090 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13093 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13094 (asm_file_start): Emit .am33 into assembly file when compiling for
13096 (print_operand_address): Handle POST_INC addresses.
13097 (can_use_return_insn, initial_offset): Check AM33 registers too.
13098 (expand_prologue): Check & save AM33 registers too.
13099 (expand_epilogue): Similarly.
13100 (secondary_reload_class): Handle AM33 specific secondary reloads.
13101 (output_tst): Emit efficient code for the AM33 too.
13102 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13103 (TARGET_SWITCHES): Add -mam33 switch.
13104 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13105 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13106 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13107 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13108 (enum reg_class, REG_CLASS_NAMES): Likewise.
13109 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13110 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13111 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13112 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13113 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13114 (HAVE_POST_INCREMENT): Define.
13115 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13116 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13117 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13118 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13119 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13120 (zero_extend to SI from QI/HI): Likewise.
13121 (sign_extend to SI from QI/HI): Likewise.
13122 (mulsidi3, umulsidi3): New patterns for the AM33.
13123 (tstsi with zero extension from QI/HI): Add AM33 variants.
13124 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13125 (return_internal_regs, store_movm): Handle new AM33 registers.
13126 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13127 (LIBGCC, INSTALL_LIBGCC): Likewise.
13128 * invoke.texi: Document new flags.
13130 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13132 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13133 (addsi3_carry): Likewise.
13134 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13135 (sbbsi3_carry): Likewise.
13136 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13137 (mulhi3): Likewise.
13138 (test?i_1): Ensure that only one operand is memory.
13139 (conditional move patterns): likewise.
13140 (shift and rotate patterns): Rewrite to expander, add
13141 "binary_operator_ok" to the condition.
13143 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13144 * i386.h (procesor_costs): Add movzbl_load field.
13145 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13146 non-Q registers, accept DImode registers anywhere.
13148 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13149 * i386.c (*_cost): Set value for movxbl_load field.
13151 * (addsi): New add to lea splitter.
13152 (ashlsi): Likewise.
13153 (lea to add/shift peep2): New.
13155 1999-12-01 Mark Salter <msalter@cygnus.com>
13157 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13158 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13159 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13161 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13163 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13164 * i386.md (movsi_xor): New.
13166 (movsi_1, movhi_1, movqi_1): Remove.
13167 (movsi_2): Rename to movsi_1.
13168 (movhi_2): Rename to movhi_1.
13169 (movqi_2): Rename to movqi_1.
13170 (movdi_1): Remove; remove splitter.
13171 (movdi_2): Rename to movdi_1.
13172 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13173 (long move peep2): Do not create QI or HI mode mov0s
13174 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13176 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13179 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13180 (abs?f2_if): Likewise.
13182 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13184 * ggc.h (ggc_test_and_set_mark): New macro.
13185 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13186 (ggc_mark_tree): Likewise.
13187 (ggc_mark_rtvec): Likewise.
13188 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13190 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13192 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13194 (decl_scope_table): Just an array of trees now.
13195 (push_decl_scope): Simplify.
13196 (dwarf2out_init): Adjust.
13197 (local_scope_p): New fn.
13198 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13199 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13200 (gen_typedef_die): Likewise.
13201 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13202 (gen_inlined_subroutine_die): Likewise.
13203 (gen_abstract_function): Set current_function_decl temporarily.
13204 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13205 Handle block extern declarations. Don't call push/pop_decl_scope.
13206 (gen_decl_die): Fix logic for block externs.
13208 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13210 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13211 to the list of functions which have attribute malloc by default.
13213 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13215 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13216 integer constant does not match the traditional type, limit the
13217 warnings to cases where the base of the type is ten.
13219 * invoke.texi (-Wtraditional): Document it.
13221 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13223 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13224 * rs6000.md: Only access a CONST_INT with INTVAL
13226 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13228 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13229 (compute_nearerout): Likewise.
13230 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13231 size_t to unsigned long for formatting.
13233 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13235 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13236 Allow the user to override call-used/fixed state of %g2-5
13237 registers from the command line (with the exception of %g4 for
13239 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13240 there is a higher chance of having a leaf function.
13241 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13242 for ARCH64 which has %ccr register.
13243 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13245 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13246 insn accept into delay slot any insn which does not use %[ol]
13247 registers. Accept some LO_SUM and shift left by 1 for the normal
13249 (output_function_epilogue): Likewise.
13250 (epilogue_renumber): Added argument which inhibits any renumbering
13251 and just tests if the rtx does not use any %[ol] registers.
13252 (output_return): Reflect above change.
13254 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13256 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13257 aggregate passing for sizes <= 16 bytes.
13259 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13261 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13262 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13263 * reload.c (find_dummy_reload): Likewise.
13264 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13265 * reload1.c (reload_as_needed): Likewise.
13266 * stupid.c (stupid_find_reg): Likewise.
13267 * tm.texi (Obsolete Register Macros): Delete section.
13268 * gmicro.h: Remove all traces of the two macros.
13269 * i386.h: Likewise.
13270 * m88k.h: Likewise.
13271 * mips.h: Likewise.
13273 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13275 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13276 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13277 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13278 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13279 units for the sparclite86x chip.
13280 (flush): Revert October 14th change; add SImode specifically.
13281 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13282 * invoke.texi: Document it.
13284 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13286 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13287 psimode_truncation_operand.
13289 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13290 function. Return true if the operand is either a MEM valid
13291 for a PSImode address or not a MEM at all.
13293 * config/mn10200/mn10200.md (truncsipsi2): Use
13294 psimode_truncation_operand.
13296 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13298 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13299 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13300 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13301 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13302 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13303 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13304 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13305 * basic-block.h: Protect from multiple inclusion.
13306 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13307 (struct loops, struct loop): Define structures.
13308 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13309 * sbitmap.h: Protect from multiple inclusion.
13310 (sbitmap_a_subset_b_p): Add prototype.
13311 * Makefile.in (LOOP_H): New macro.
13312 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13314 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13316 * cppinit.c (CAT): The argument list of this macro may not contain
13319 1999-11-29 David S. Miller <davem@redhat.com>
13321 Move quantity tables and register equivalence chains into
13322 per-qty and per-register structure arrays respectively.
13323 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13324 qty_const_insn, qty_comparison_code, qty_comparison_const,
13325 qty_comparison_qty): Delete, replace with...
13326 (qty_table): this structure table.
13327 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13328 (reg_eqv_table): this structure table.
13329 (make_new_qty): Add argument MODE. Caller updated.
13330 Update to use qty_table and reg_eqv_table.
13331 (make_regs_eqv, delete_reg_equiv, insert_regs,
13332 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13333 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13334 cse_process_notes, cse_main, cse_basic_block): Likewise.
13336 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13338 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13339 operation if C is negative.
13340 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13341 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13342 law for some divisions if constant is negative and change other
13343 divisions to the opposite rounding.
13345 * expr.c (store_constructor_field): If bit position is not multiple
13346 of alignment of TARGET's mode, use BLKmode.
13348 * expr.c (expand_expr_unaligned): Add more code from full case
13349 that is needed when OP0 is in a register.
13351 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13353 * dwarfout.c (field_byte_offset): Size can be zero if there was
13356 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13358 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13359 (associate_trees): Delete unused var TEM.
13360 (extract_muldiv): Delete unused var CANCEL_P.
13362 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13363 (target_isinf, target_isnan, target_negative): Add return types to
13364 function definitions.
13366 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13368 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13369 * fixinc/hackshell.tpl: ditto
13370 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13371 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13373 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13375 * reload.c (push_reload): When looking for a register to put into
13376 reg_rtx, make sure all hard regs in a multi-reg register are in the
13377 right class and nonfixed.
13379 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13380 pending_read_insns, pending_write_insns, pending_read_mems,
13381 pending_write_mems, pending_list_length, last_pending_memory_flush,
13382 last_function_call, sched_before_next_call): Move static variables
13384 (bb_ prefixed versions): Replace with single array bb_deps.
13385 (struct deps): New structure.
13386 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13387 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13388 argument of type "struct deps *"; use that instead of global
13389 variables. All callers changed.
13390 (init_rgn_data_dependencies): Delete function.
13391 (init_rtx_vector): Delete function.
13392 (init_deps): New function.
13394 (free_pending_lists): Simplify, we always use the bb_deps array even
13395 if only one basic block.
13396 (compute_block_backward_dependences): Likewise.
13397 (schedule_region): Likewise.
13399 (propagate_deps): New function, broken out of
13400 compute_block_backward_dependences.
13401 (compute_block_backward_dependences): Use it.
13403 * alpha.md: Delete useless patterns that tried to work around
13404 register elimination problems.
13406 * unroll.c (loop_iterations): Don't abort if iteration variable
13409 From Joern Rennecke:
13410 * reload1.c (reloads_conflict): Reverse test comparing operand
13411 numbers when testing for conflict between output/outaddr reloads.
13413 1999-11-29 David S. Miller <davem@redhat.com>
13415 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13417 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13419 1999-11-28 Robert Lipe <robertl@cygnus.com>
13421 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13422 table from .fini into .dtor.
13424 1999-11-28 Anthony Green <green@cygnus.com>
13426 * tree.h (struct tree_decl): Add malloc_flag.
13427 (DECL_IS_MALLOC): Define.
13428 * c-common.c (attrs): Add A_MALLOC attribute.
13429 (init_attributes): Add this attribute to the table.
13430 (decl_attributes): Handle malloc attribute.
13431 * calls.c (special_function_p): Check for the malloc attribute.
13432 * extend.texi (Function Attributes): Document malloc attribute.
13434 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13436 * pa.md (reload shift-add patterns): Remove.
13438 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13440 * reorg.c (dbr_schedule) Print more statistics. Corrected
13441 problem when printing info when 3 delay slots are filled.
13443 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13445 * combine.c (setup_incoming_promotions): Pass an outgoing
13446 regno to FUNCTION_ARG_REGNO_P which it expects.
13448 1999-11-28 Andreas Jaeger <aj@suse.de>
13450 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13452 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13454 * cccp.c (do_include): Avoid initialization of automatic variable.
13456 * integrate.c (mark_stores): Function definition made void, to match
13457 previous declaration.
13458 * regclass.c (dump_regclass): Ditto.
13459 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13461 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13463 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13464 known to be multiple of divisor.
13466 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13468 * combine.c (try_combine): Add code to try to merge a set of a
13469 two-word pseudo to a constant with a setting of one of those words
13472 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13473 (split_tree): Completely rework to make more general.
13474 (make_range, fold): Call negate_expr.
13475 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13476 (fold, associate): Call new split_tree and associate_trees.
13477 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13479 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13481 * loop.c (try_copy_prop): Avoid GNU C extension.
13483 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13485 * except.c (init_eh_for_function): Still zero eh_return_context,
13486 eh_return_stack_adjust, and eh_return_handler.
13488 * except.h (eh_status): Adjust documentation for x_protect_list.
13489 (begin_protect_partials): New function.
13490 * except.c (enqueue_eh_entry): Fix formatting.
13491 (get_first_handler): Add consistency check.
13492 (add_partial_entry): Adjust usage of protect_list.
13493 (emit_cleanup_handler): Save and restore ehqueue.
13494 (expand_start_all_catch): Add comment.
13495 (begin_protect_partials): New function.
13496 (end_protect_partials): Adjust usage of protect_list.
13497 (init_eh_for_function): Use xcalloc.
13499 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13501 * c-common.c (check_format_info): Don't call a variadic function
13502 with a non-literal format string.
13504 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13506 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13507 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13510 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13513 * collect2.c (collect_wait): Likewise.
13515 * dbxout.c (dbxout_type): Likewise.
13517 * gcc.c (do_spec_1): Likewise.
13519 * genemit.c (gen_insn, gen_expand): Likewise.
13521 * genrecog.c (write_switch, write_subroutine): Likewise.
13523 * mips-tfile.c (catch_signal, botch): Likewise.
13525 * print-rtl.c (print_rtx): Likewise.
13527 * toplev.c (default_print_error_function, report_error_function,
13528 _fatal_insn): Likewise.
13530 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13532 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13534 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13536 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13537 operations when needed.
13538 * i386.md (fop_?f_comm): New.
13539 (fop_?f_1): Do not accept commutative operands.
13541 1999-11-25 Andreas Jaeger <aj@suse.de>
13543 * config/mips/mips.md (casesi_internal): Add missing brace.
13545 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13547 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13548 (splice_child_die): Handle moving a child DIE from the declaration
13549 DIE of a class to its specification.
13550 (gen_struct_or_union_type_die): Use 'complete' consistently.
13551 (gen_decl_die): Generate the virtual context DIE first.
13552 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13554 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13556 * config/mips/mips.md (call_value_multiple_interanal1): New.
13558 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13560 * dwarf2out.c (free_AT, free_die): New fns.
13561 (remove_children): Call them.
13562 (output_line_info): Disable removal of duplicate notes.
13564 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13565 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13566 means pretend the type isn't defined.
13567 Don't defer emitting types.
13568 (gen_type_die_for_member): New fn.
13569 (gen_decl_die): Call it.
13570 (splice_child_die): New fn.
13571 (gen_member_die): Call it rather than generate duplicate dies.
13573 Defer emitting information for the abstract instance of an inline
13574 until we either inline it or emit an out-of-line copy.
13575 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13576 from output_inline_function if DECL_ABSTRACT is also set.
13577 (block_ultimate_origin): Likewise.
13578 (gen_abstract_function): New fn.
13579 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13580 (gen_subprogram_die): An abstract instance is not a declaration
13581 just because it doesn't match current_function_decl. Don't abort
13582 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13583 has an abstract origin.
13584 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13585 abstract instance here.
13587 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13589 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13590 where we need to reload fpul from a system register.
13592 1999-11-24 Andreas Jaeger <aj@suse.de>
13594 * config/mips/linux.h (CPP_PREDEFINES): Added.
13595 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13597 1999-11-24 Andreas Jaeger <aj@suse.de>
13599 * config/mips/linux.h (TARGET_VERSION): Added.
13600 (HANDLE_SYSV_PRAGMA): Added.
13601 (DEFAULT_VTABLE_THUNKS): Added.
13603 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13605 * local-alloc.c (qty): New structure and static variable.
13606 (qty_phys_reg): Remove, all references changed to qty.
13607 (qty_n_refs): Likewise.
13608 (qty_min_class): Likewise.
13609 (qty_birth): Likewise.
13610 (qty_death): Likewise.
13611 (qty_size): Likewise.
13612 (qty_mode): Likewise.
13613 (qty_n_calls_crossed): Likewise.
13614 (qty_alternate_class): Likewise.
13615 (qty_changes_size): Likewise.
13616 (qty_first_reg): Likewise.
13617 (alloc_qty): Rename variable QTY to QTYNO.
13618 (finf_free_reg): Likewise.
13619 (local_alloc): Allocate qty, do not allocate the removed variables.
13621 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13623 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13624 when -membedded-pic is passed.
13626 * config/mips/mips.md (casesi): Handle 64-bit case too.
13627 (casesi_internal_di): New insn.
13629 * config/mips/mips.c (embedded_pic_offset): Always make the
13630 embedded-pic subtractions relative to the name of the current
13631 function by use of the magic string "..CURRENT_FUNCTION".
13632 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13634 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13636 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13637 of (const_int 0), when what we really care about is
13638 whether it's a zero constant anyway.
13639 (div_trap_mips16): Likewise.
13641 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13643 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13644 unroll_block_trees when generating debuggable code.
13646 * tree.h (unsave_expr_1): New function.
13647 (lang_unsave): New variable.
13648 (get_callee_fndecl): New function.
13649 * tree.c (unsave_expr_now_r): New function.
13650 (lang_unsave): Define.
13651 (unsave_expr_1): Likewise.
13652 (unsave_expr_now_r): Split out from unsave_expr_now.
13653 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13654 call unsave_expr_now_r.
13655 (get_callee_fndecl): Define.
13657 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13658 (gencheck.o): Do depend on lang_tree_files.
13660 * integrate.h (copy_decl_for_inlining): New declaration.
13661 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13662 (copy_decl_for_inlining): New function.
13663 (integrate_parm_decls): Use it.
13664 (integrate_decl_tree): Likewise.
13666 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13668 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13669 the second two from the first.
13670 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13671 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13672 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13674 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13675 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13678 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13680 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13681 needed on the address operand.
13682 * pa.c (call_operand_address): Check for the correct mode.
13684 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13686 * loop.c: Include "basic-block.h".
13687 (try_copy_prop, replace_loop_reg): New functions.
13688 (load_mems): Detect registers that just hold copies of the hoisted
13689 mem, and call try_copy_prop to eliminate them.
13690 * Makefile.in (loop.o): Update dependencies.
13692 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13694 * Makefile.in (gencheck.o): Depend on gencheck.h.
13695 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13696 (insn-peep.o): Depend on except.h and function.h.
13697 (insn-attrtab.o): Depend on RECOG_H.
13698 (insn-output.o): Depend on toplev.h and flags.h.
13699 (gengenrtl.o): Depend on real.h.
13700 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13701 Unify all dependencies to be on RECOG_H rather than recog.h.
13703 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13705 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13706 * configure.in: Try building a bi-arch 32/64-bit compiler on
13707 sparc-*-solaris2.7 and higher.
13708 * configure: Rebuild.
13710 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13712 * config/freebsd.h: New, FreeBSD architecture independent file.
13713 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13714 independent pieces.
13715 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13716 directly by i386/freebsd.h.
13717 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13718 independent configuration file.
13719 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13720 directly by i386/freebsd.h.
13721 * configure: Rebuilt.
13723 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13724 which is in the user's namespace.
13725 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13726 `i386' which is not in our namespace.
13728 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13730 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13732 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13734 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13735 (add_dwarf_attr, add_child_die): Just push onto the front.
13736 (reverse_die_lists): New fn.
13737 (add_sibling_attributes): Use it.
13738 (push_decl_scope): Reorganize.
13739 (add_name_and_src_coords_attributes): Don't set file and line for
13740 an artificial decl.
13741 (gen_subprogram_die): An artificial function doesn't need to match
13743 (gen_compile_unit_die): Return the generated die. Only add
13744 AT_comp_dir if the filename is relative.
13745 (remove_AT): Simplify loop. Also free string values.
13746 (output_die): A DIE ref can't be null.
13747 (output_value_format, value_format): Take a dw_attr_ref.
13748 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13749 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13750 AT_addr, AT_lbl): New fns.
13751 (various): Use them.
13752 (various): Constify.
13754 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13756 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13757 take SUBREG_WORD into account.
13758 (if_then_else_cond): Likewise.
13760 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13762 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13763 clause from BSD license, pursuant with
13765 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13767 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13769 * loop.c (load_mems): Reformat slightly.
13770 * basic-block.h (regset_head): New typedef.
13771 (INIT_REG_SET): New macro.
13773 1999-11-22 Bruce Korb <autogen@linuxbox.com
13775 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13776 (mips-dec-bsd*): non-functional code
13777 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13779 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13780 added three replacement fixes
13781 (no_double_slash): removed comments that are not (any longer) pertinent
13782 (bad_lval): this fix currently runs against many files.
13783 The comment seems to indicate that we should select for files
13784 containing 'pragma extern_prefix'.
13786 * fixinc/fixinc.x86-linux-gnu: deleted
13787 * fixinc/inclhack.sh: regen
13788 * fixinc/fixincl.x: regen
13789 * fixinc/fixincl.sh: regen
13791 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13793 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13794 its code is INSN and it has no notes.
13796 1999-11-22 Andrew Haley <aph@cygnus.com>
13798 * varasm.c (function_defined): Remove.
13799 (make_function_rtl): Don't set function_defined.
13800 (make_decl_rtl): Remove global register warning.
13801 * regclass.c (no_global_reg_vars): New variable.
13802 (globalize_reg): Warn if function has already been defined.
13803 (regclass_init): Set no_global_reg_vars.
13805 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13807 * regclass.c (reg_pref): New structure and static variable
13808 (prefclass): Delete.
13809 (altclass): Delete.
13810 (all uses of prefclass and altclass): Use reg_pref instead.
13812 1999-11-21 Nick Clifton <nickc@cygnus.com>
13814 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13816 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13817 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13818 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13820 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13822 * varasm.c (output_constructor): Solve problem with long long
13823 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13825 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13827 * global.c (allocno): New structure and static variable.
13828 (allocno_reg): Remove, all references replaced by allocno.
13829 (allocno_size): Likewise.
13830 (hard_reg_conflicts): Likewise.
13831 (hard_reg_preferences): Likewise.
13832 (hard_reg_copy_preferences): Likewise.
13833 (hard_reg_full_preferences): Likewise.
13834 (regs_someone_prefers): Likewise.
13835 (allocno_calls_crossed): Likewise.
13836 (allocno_n_refs): Likewise.
13837 (allocno_live_length): Likewise.
13838 (find_reg): Rename ALLOCNO to NUM.
13840 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13841 references updated.
13842 (may_move_out_cost): New variable.
13843 (init_reg_sets_1): Initialize may_move_out_cost.
13844 (record_reg_classes): Use may_move_out_cost.
13846 * regclass.c (dump_regclass): New function.
13847 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13848 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13849 pass rtl_dump_file to regclass.
13850 * rtl.h (regclass): Update prototype.
13852 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13854 * i386.md (neg, not and abs patterns): Revmap to use
13855 ix86_expand_unary_operator and ix86_unary_operator_ok.
13856 (add?f and sub?f expanders): Force operand 1 to register.
13857 * i386.c (ix86_expand_unary_operator): Rewrite.
13858 (ix86_unary_operator_ok): Ensure that memory operands
13860 (ix86_binary_operator_ok): Do not allow operand 1 to
13861 come into memory and operand 0 not.
13862 (ix86_expand_binary_operator): Ensure that
13863 src1 is not non-matching memory.
13865 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13866 to support integer registers and memory.
13867 (abss?2_integer): Likewise.
13869 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13870 (REG_CLASS_NAMES): Likewise.
13871 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13873 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13874 (movsf): Likewise; unify 4th and 5th alternative.
13875 (pushdf): Likewise.
13876 (movdf_1): Likewise; rename to movdf_integer.
13877 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13878 remove redundant splitter.
13879 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13880 (movdf_nointeger): New.
13881 (movxf_nointeger): New.
13882 (pushxf_nointeger): New.
13884 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13885 memory operands in patterns.
13886 (fop*): Refuse two memory operands.
13888 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13889 on !TARGET_USE_CLTD CPUs.
13891 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13893 * extend.texi: Document C++ restricted pointers and references.
13895 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13897 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13898 (invalidate_skipped_set): Call it unconditionally.
13899 (cse_set_around_loop): Likewise.
13901 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13903 * rtl.texi (mem): Add documentation for alias-set argument
13906 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13908 * i386.h (struct_processor_costs): New fields int_load, int_store,
13909 fp_move, fp_load and fp_store
13910 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13912 (MEMORY_MOVE_COST): New macro.
13913 * i386.c (386_cost): Define new fields.
13914 (i486_cost): Likewise.
13915 (pentium_cost): Likewise.
13916 (pentiumpro_cost): Likewise.
13917 (k6_cost): Likewise.
13919 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13920 Geoffrey Keating <geoffk@cygnus.com>
13922 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13924 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13927 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13928 (TARGET_STRICT_ALIGNMENT): New macro.
13929 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13930 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13931 * invoke.texi (M680x0 Options): Document -mstrict-align.
13933 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13934 Richard Henderson <rth@cygnus.com>
13936 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13937 (ix86_split_long_move): Declare.
13938 * i386.c (split_xf, ix86_split_movdi): Remove.
13939 (ix86_split_to_parts, ix86_split_long_move): New.
13940 * i386.md (dimode move splitters): Use ix86_split_long_move.
13941 (dfmode move splitters): Likewise.
13942 (xfmode move splitters): Likewise.
13943 (movsf_1): Allow F->r.
13944 (movdf_1, movxf_1): Allow F->ro.
13946 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13948 * except.h (struct eh_entry): Add goto_entry_p.
13949 (eh_region_from_symbol): Remove prototype.
13950 * except.c (find_func_region_from_symbol): New function.
13951 (emit_cleanup_handler): Likewise.
13952 (eh_region_from_symbol): Make it static.
13953 (add_new_handler): Verify the argument.
13954 (find_func_region): Update comment.
13955 (expand_eh_region_end): Expand handlers here, rater than waiting
13956 until expand_leftover_cleanups or start_all_catch.
13957 (expand_leftover_cleanups): Don't expand here.
13958 (expand_start_all_catch): Or here.
13959 (expand_rethrow): Check the return value from find_func_region.
13960 * function.c (expand_function_end): Emit the catch_clauses.
13962 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
13964 * integrate.c (expand_inline_function): Add necessary check for NULL.
13966 1999-11-18 Nick Clifton <nickc@cygnus.com>
13968 * toplev.c (main): Correctly detect an unrecognised option.
13970 * cppinit.c (cpp_handle_option): Do not claim to have consumed
13971 a -f option if it has not been recognised.
13973 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
13975 * basic-block.h (update_life_extent): Remove trailing comma on
13976 enumeration type list.
13978 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13980 * varasm.c (output_constructor) Solved problem with long long
13981 bitfields. Corrected calculating this_time and shift. Also
13982 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
13984 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
13986 * flow.c (split_edge): Take looping structure into account when
13987 determining where to put the new block note.
13989 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
13991 * Makefile.in (ggc-none.o): Provide host specific version if
13994 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
13996 * cse.c (delete_trivially_dead_insns): Identify no-op insns
13997 containing subregs too.
13999 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14001 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14002 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14003 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14004 (text_section): Add switches -munint-const-in-rodata and
14005 -mno-uninit-const-in-rodata.
14006 (ASM_OUTPUT_COMMON): Remove.
14007 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14008 const objects should be placed in read-only data. Otherwise declare
14011 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14013 * jump.c (jump_optimize_1): Revert last change.
14015 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14017 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14018 test if optimizing for size.
14020 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14022 * Makefile.in (toplev.o): Depend on except.h.
14023 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14025 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14027 * i386.md (divmodsi4): Rewrite to expander.
14028 (*divmodsi4_nocltd): New.
14029 (*divmodsi4_cltd): New.
14030 (divmodsi4 splitter): Handle the case when input comes in edx.
14031 (udivmodhi4): Do not use constraints in exander.
14032 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14034 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14036 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14037 for the common case.
14039 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14041 * explow.c (hard_function_value): Add outgoing argument.
14042 * expr.h (hard_function_value): Declare it.
14043 * calls.c (expand_call, emit_library_call_value): Update callers.
14044 * function.c (aggregate_value_p): Ditto.
14045 (diddle_return_value): Must look at the outgoing registers
14046 on archs with register windows.
14048 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14050 * alpha.c (alpha_build_va_list): Use make_lang_type and
14051 initialize TYPE_NAME for the va_list record.
14053 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14055 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14057 * ggc.h (struct ggc_statistics): Rearrange elements for better
14058 packing on 64-bit hosts.
14059 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14060 (compute_nearerout): Likewise.
14062 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14064 * config/rs6000/rs6000.c (first_reg_to_save): Save
14065 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14067 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14069 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14070 notion of nesting to find the DIE for a type or function.
14071 DIEs can go in limbo even if we got a context_die.
14072 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14073 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14075 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14076 (gen_type_die): Writing out the context doesn't cause member class
14077 template instantiations to be written out as well.
14079 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14081 * rs6000.h (ASM_OUTPUT_DEF): New.
14082 Based on proposed addition from David Edelsohn.
14084 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14085 Bruce Korb <autogen@linuxbox.com>
14087 * fixinc/inclhack.def
14088 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14089 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14091 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14092 (svr4_endian): enabled with SVR5
14093 (svr4_mkdev): simplified syntax and enabled with SVR5
14095 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14097 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14098 * configure: Rebuilt.
14099 * config/t-freebsd-thread: New file.
14101 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14103 * i386.c (ix86_decompose_address): Verify the base is a REG
14104 before trying to examine its register number.
14106 * basic-block.h: Remove all #defines and prototypes related to
14108 (free_bb_mem, compute_preds_succs): Remove prototype.
14109 * rtl.h (free_bb_mem): Remove prototype.
14110 * flow.c (alloc_int_list_node); Remove function.
14111 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14112 (compute_preds_succs, free_bb_mem): Likewise.
14113 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14114 * toplev.c (rest_of_compilation): Likewise.
14115 * haifa-sched.c (build_control_flow): Use flow generated edge
14116 list to build the haifa specific edge list.
14117 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14118 (schedule_insns): Do not build pred/succ lists anymore. Instead
14119 build the edge table.
14121 * basic-block.h (dump_bb_data): Remove declaration.
14122 * flow.c (dump_bb_data): Remove function.
14123 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14124 (sbitmap_union_of_predsucc): Likewise.
14126 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14127 argument. All callers changed.
14128 (delete_null_pointer_checks_1): No longer need to compute the
14131 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14132 All callers changed.
14133 (pre_expr_reaches_here_p_work): Likewise.
14134 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14135 * lcm.c (compute_laterin): Fix initialization of LATER.
14136 (compute_nearerout): Similarly for NEARER.
14138 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14140 * cse.c (set_nonvarying_address_components): Delete unused function.
14141 (refers_to_p): Likewise.
14143 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14145 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14148 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14150 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14151 definition in do while (0).
14153 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14155 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14157 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14159 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14161 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14163 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14164 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14165 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14166 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14168 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14169 saved on the stack. Output more accurate stack frame statistics
14170 into assembler file.
14172 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14174 * genextract.c (record_insn_name): New function.
14175 (get_insn_name): No longer a stub.
14176 (main): Call record_insn_name for each insn. After each label
14177 written, print the insn name in a comment.
14179 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14181 * output.h (const_section, init_section, fini_section): Add
14184 * alpha/elf.h (const_section): Delete declaration.
14186 * svr4.h (const_section): Likewise.
14188 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14190 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14191 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14192 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14194 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14195 variable-sized array bounds.
14197 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14199 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14202 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14204 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14205 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14207 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14209 * cse.c (hash_arg_in_struct): Delete.
14210 (struct table_elt): Delete elt in_struct.
14211 (struct set): Delete elt src_in_struct.
14212 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14213 the corresponding in_struct elts.
14214 (canon_hash): Likewise.
14215 (safe_hash): Likewise.
14216 (find_best_addr): Likewise.
14217 (record_jump_cond): Likewise.
14218 (cse_insn): Likewise.
14220 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14222 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14224 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14227 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14229 * function.c (diddle_return_value): Put back check that the DECL_RTL
14230 for the function is a register.
14232 * function.c (diddle_return_value): Use hard_function_value to
14233 get an rtx suitable for use in the USE/CLOBBER insn.
14235 * global.c (global_conflicts): Update comments.
14236 (record_conflicts): No need to record conflicts between pseudos here.
14238 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14240 * fixinc/fixincl.c: Added verbose levels for status messages
14242 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14244 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14245 operand as argument to expand_and or expand_binop.
14247 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14249 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14250 gcc_add_string_root.
14252 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14254 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14256 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14258 * flow.c (compute_flow_dominators): Initially put all blocks on
14260 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14261 * gcse.c (compute_cprop_avinout): Remove.
14262 (compute_cprop_data): Use compute_available.
14263 (delete_null_pointer_checks_1): Use compute_available.
14265 * basic-block.h (compute_available): Returns a void now.
14266 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14267 to return a value anymore.
14268 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14269 worklists. Fix boundary cases. Compute maximal solutions.
14270 (compute_laterin, compute_nearerout): Similarly.
14272 * dwarf2out.c (add_AT_location_description): Allow
14273 (mem (plus (pseudo) (...)) too.
14275 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14277 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14279 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14280 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14282 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14284 * gansidecl.h: Likewise.
14290 * toplev.h: Likewise.
14292 * tree.c: Likewise.
14294 * tree.h: Likewise.
14296 * varray.c: Likewise.
14298 * varray.h: Likewise.
14300 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14302 * gcov.c (struct arcdata): Add hits and total, remove prob.
14303 (output_branch_counts): New.
14304 (process_args): Set output_branch_counts if -c.
14305 (calculate_branch_probs): Store hits and total instead of
14307 (output_data): Emit counts if output_branch_counts is true.
14308 * gcov.texi (Invoking Gcov): Document -c switch..
14310 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14312 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14313 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14315 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14317 * invoke.texi (C Dialect Options): Add missing builtins from
14318 c-common.c to list.
14319 * extend.texi (Other Builtins): Copy to this list.
14321 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14323 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14324 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14325 redundant bitmap.h.
14327 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14329 * flow.c (compute_flow_dominators): No longer treat basic block 0
14330 or (n_basic_blocks - 1) specially. Clear the AUX field before
14331 starting computation of doms/pdoms. Fix initial state for pdoms.
14333 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14335 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14336 match rtl.o's: added ggc.h and toplev.h
14337 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14338 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14339 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14341 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14343 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14344 from HAVE_DOS_BASED_FILESYSTEM.
14345 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14346 HAVE_DOS_BASED_FILESYSTEM.
14348 (split_directories): Only special-case DOS file names if
14349 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14350 instead of explicit tests. Conditionalize on !VMS.
14351 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14352 tests. Conditionalize on !VMS.
14353 (process_command): Only use make_relative_prefix if !VMS.
14354 (free_split_directories): Conditionalize on !VMS.
14355 (DIR_UP): Conditionalize on !VMS.
14357 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14359 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14361 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14363 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14366 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14368 * invoke.texi (Environment Variables): Document relative path
14370 * gcc.c (DIR_UP): If not defined, define as "..".
14371 (standard_bindir_prefix): New static, holds target location to
14373 (split_directories): New function to split a filename into
14374 component directories.
14375 (free_split_directories): New function, release memory allocated
14376 by split_directories.
14377 (make_relative_prefix): New function, make a relative pathname if
14378 the compiler is not in the expected location.
14379 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14380 can figure out an appropriate prefix from argv[0].
14381 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14382 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14383 STANDARD_BINDIR_PREFIX.
14385 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14387 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14389 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14390 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14391 c4x_secondary_memory_needed) Delete.
14392 (fp_zero_operand): Add mode argument.
14394 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14396 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14397 that is in reload_reg_used.
14399 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14401 * config/arm/arm-protos.h: New file: Prototypes for functions
14402 defined in arm.c and pe.c.
14403 * config/arm/arm.h: Fix compile time warnings.
14404 * config/arm/arm.c: Fix compile time warnings.
14405 * config/arm/pe.h: Fix compile time warnings.
14406 * config/arm/aout.h: Fix compile time warnings.
14408 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14410 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14413 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14414 Add support for subtargets.
14415 Add prototypes for new predicates.
14416 Add scheduling macros.
14418 * config/m32r/m32r.c: Fix compile time warnings.
14419 (int8_operand): New predicate function.
14420 (reg_or_cmp_int16_operand): New predicate function.
14421 (extend_operand): New predicate function.
14422 (m32r_adjust_code): New scheduling function.
14423 (m32r_adjust_priorty): New scheduling function.
14424 (m32r_sched_init): New scheduling function.
14425 (m32r_sched_reorder): New scheduling function.
14426 (m32r_sched_variable_issue): New scheduling function.
14427 (direct_return): New codegen function.
14428 (m32r_not_same_reg): New rtl testsing function.
14430 * config/m32r/m32r.md: Fix compile time warnings.
14431 Add support for pre decrement and post increment memory
14433 Add S<cc> patterns.
14436 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14438 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14439 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14440 (find_reg): Likewise.
14442 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14444 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14445 to avoid assembler errors.
14447 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14449 * config/v850/v850-protos.h: New file: Prototypes for functions
14451 * config/v850/v850.h: Move prototypes to v850-protos.h
14452 * config/v850/v850.c: Move prototypes to v850-protos.h
14453 * config/v850/v850.md: Fix compile time warnings.
14455 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14457 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14458 * config/fr30/fr30.c: Fix compile time warnings.
14459 * config/fr30/fr30.md: Fix compile time warnings.
14461 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14463 * tree.h (get_containing_scope): Declare it.
14464 * tree.c (get_containing_scope): New fucntion.
14465 (decl_function_context): Use it.
14466 * toplev.c (rest_of_compilation): Use get_containing_scope.
14468 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14470 * Makefile.in (rtl.o): Depend on toplev.h.
14472 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14474 * cse.c (delete_trivially_dead_insns): Replace alloca with
14476 * except.c (update_rethrow_references): Likewise.
14477 (init_eh_nesting_info): Likewise.
14478 * function.c (identify_blocks): Likewise.
14479 * gcse.c (dump_hash_table): Likewise.
14480 * graph.c (print_rtl_graph_with_bb): Likewise.
14481 * loop.c (combine_movables): Likewise.
14482 (move_movables): Likewise.
14483 (count_loop_regs_set): Likewise.
14484 (strength_reduce): Likewise.
14485 * profile.c (compute_branch_probabilities): New function, split
14487 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14488 * regclass.c (regclass): Likewise.
14489 * regmove.c (regmove_optimize): Likewise.
14490 * toplev.c (compile_file): Likewise.
14491 (main): Don't mess with the stack rlimit.
14493 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14495 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14496 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14498 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14500 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14502 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14504 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14505 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14508 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14510 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14512 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14514 * gcse.c (post_dominators): Kill.
14515 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14516 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14517 pass in a pdom array since we do not need pdoms.
14518 * haifa-sched.c (schedule_insns): Similarly.
14519 * flow.c (compute_dominators): Remove dead function.
14520 (compute_flow_dominators): Do not compute doms or pdoms if the
14521 caller does not request them. Split up loop to build doms and
14522 pdoms. Use a worklist to compute doms and pdoms.
14523 * basic-block.h (compute_dominators): Remove prototype.
14525 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14527 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14528 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14529 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14530 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14531 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14532 (schedule_region): Remove unused variable.
14533 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14535 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14537 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14538 (update_equiv_regs): Likewise.
14539 (block_alloc): Likewise.
14540 * reg-stack.c (reg_to_stack): Likewise.
14541 (convert_regs_2): Likewise.
14542 * reload1.c (reload_as_needed): Likewise.
14544 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14546 * Makefile.in (dbxout.o): Depend on ggc.h.
14547 (dwarf2out.o): Likewise.
14548 (xcoffout.o): Likewise.
14549 * dbxout.c: Include ggc.h.
14550 (dbxout_init): Register lastfile as a root.
14551 * dwarf2out.c: Include ggc.h.
14552 (dwarf2out_line): Register lastfile as a root.
14553 * xcoffout.c: Include ggc.h.
14554 (xcoffout_source_line): Register xcoff_lastfile as a root.
14556 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14558 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14560 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14562 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14564 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14566 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14568 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14569 (EXECUTE_IF_CONFLICT): Likewise.
14570 (ALLOCNO_LIVE_P): Avoid signed division.
14571 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14572 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14573 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14575 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14577 * haifa-sched.c (schedule_block): Don't crash if there's no
14578 next insn for an interblock movement.
14579 (add_branch_dependences): Don't allow clobber insns to move either.
14581 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14583 * i386.c (split_xf): New.
14584 * i386-protos.h: Declare it.
14585 * i386.md (movxf_1): Add general regs alternatives.
14586 (movxf_1+1): New splitter for same.
14588 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14590 * function.c (purge_addressof_1): Add missing return values.
14592 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14594 * function.c (is_addressof): New function. Returns true if
14595 the given piece of RTL is an ADDRESSOF.
14596 (purge_addressof_1): Make boolean. Return false if the
14597 ADDRESSOFs could not be purged.
14598 (purge_addressof): If ADDRESSOFs could not be purged from the
14599 notes attached to an insn, remove the offending note(s),
14600 unless they are attached to a libcall.
14602 1999-11-05 Andreas Jaeger <aj@suse.de>
14604 * genoutput.c (null_operand =): Initialize all fields.
14606 * errors.h: Add extern to prototypes.
14608 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14610 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14611 * configure: Rebuilt.
14613 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14615 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14616 (mirror_conflicts): New function.
14617 (global_alloc): Call it.
14618 (expand_preferences): Remove redundant CONFLICTP test.
14619 (find_reg, dump_conflicts): Likewise.
14620 (prune_preferences): Process conflicts one word at a time.
14622 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14624 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14625 instead of an explicit loop.
14627 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14629 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14630 if REG_RETVAL check succeeds, then put classp in src_elt.
14632 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14634 * function.c (pad_to_arg_alignment): Only update argument_pad
14635 if the argument's alignment is greater than STACK_BOUNDARY.
14637 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14639 * bitmap.h (BITMAP_XFREE): New.
14640 * flow.c (life_analysis): Use it.
14641 (life_analysis_1): Free blocks.
14643 * combine.c (undo_commit): New.
14644 (try_combine): Use it. Don't zap undobuf.undos.
14645 (combine_instructions): Don't zap undobuf.undos; free the
14646 undobuf.frees list.
14648 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14650 * stmt.c (cost_table_): New.
14651 (estimate_case_costs): Use it instead of xmalloc.
14653 * toplev.c (compile_file): Reuse dumpname memory instead
14656 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14658 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14659 after verifying an EH edge.
14661 * haifa-sched.c (init_rgn_data_dependences): Correctly
14662 size bb_pending_lists_length when zeroing.
14664 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14666 * function.c (diddle_return_value): New.
14667 (expand_function_end): Use it.
14668 * stmt.c (expand_null_return): Likewise.
14669 (expand_value_return): Likewise.
14671 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14673 * reload1.c (reload): Don't remove return value clobbers.
14675 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14677 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14679 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14681 * cse.c (cse_main): Use xmalloc, not alloca.
14682 (cse_basic_block): Likewise.
14683 * local-alloc.c (local_alloc): Likewise.
14685 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14686 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14688 * rtl.c: Include toplev.h.
14689 (fatal): Remove declaration.
14691 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14693 * haifa-sched.c (schedule_block): Fix thinko.
14695 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14697 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14698 S_IR* defined values
14700 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14702 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14703 call `malloc' instead.
14705 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14707 * flags.h (flag_renumber_insns): Declare.
14708 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14710 * rtl.h (renumber_insns): Change prototype.
14711 * toplev.c (flag_renumber_insns): Define.
14712 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14714 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14716 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14717 and fpsqrtd. Use them and create fdiv function unit to more
14718 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14719 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14721 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14723 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14725 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14726 insn into ready list, do not use just a raw swap.
14728 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14730 * rtl.h (renumber_insns): New function.
14731 (remove_unnecessary_notes): Likewise.
14732 * emit-rtl.c (renumber_insns): Define.
14733 (remove_unncessary_notes): Likewise.
14734 * toplev.c (rest_of_compilation): Remove dead code.
14735 Use renumber_insns and remove_unncessary_notes.
14737 * gcse.c (struct null_pointer_info): New type.
14738 (get_bitmap_width): New function.
14739 (current_block): Remove.
14740 (nonnull_local): Likewise.
14741 (nonnull_killed): Likewise.
14742 (invalidate_nonnull_info): Take a null_pointer_info as input.
14743 (delete_null_pointer_checks_1): New function.
14744 (delete_null_pointer_checks): Use it.
14746 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14747 (split_edges): Likewise.
14748 (schedule_block): Likewise.
14749 (compute_block_backward_dependencies): Likewise.
14750 (schedule_region): Likewise.
14751 (schedule_insns): Likewise.
14753 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14755 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14756 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14757 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14758 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14759 * jump.c (delete_unreferenced_labels): Don't delete if
14760 LABEL_ALTERNATE_NAME is set.
14761 * print-rtl.c (print_rtx): Dump alternate name.
14762 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14763 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14764 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14765 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14767 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14769 * fix-header.c (recognized_extern, recognized_function): Constify
14772 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14773 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14774 (compute_available): Remove unused variable `last'.
14775 (compute_nearerout): Remove unused variable `temp_bitmap'.
14776 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14777 Remove unused variable `x'.
14779 * scan.h (recognized_function, recognized_extern): Constify a
14782 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14784 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14786 * varasm.c (decode_rtx_const): Use XSTR to access the string
14789 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14791 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14793 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14795 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14797 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14799 * pa.c (ireg_operand): New function.
14800 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14801 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14802 Fix out of date comment.
14804 * pa.md (negdi2): Turn into expander + anonymous pattern.
14806 * reload.c (find_reloads): Fix typos in recent change.
14808 * dwarf2out.c: Do not include ctype.h.
14810 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14812 * regclass.c (record_reg_classes): Always use may_move_cost when
14813 seeing how operand fits with various register classes.
14815 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14817 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14818 * toplev.c: Revert Nov 1 13:22 change.
14820 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14822 * config/pa/pa.md (height reduction patterns): Add checks for
14823 overlapping operands to avoid semantic-destroying splits for
14824 height reduction patterns.
14826 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14828 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14829 have been an hyphen, fixed.
14830 * configure: Rebuilt.
14832 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14834 * config/arm/tpe.h: Add prototypes for exported functions.
14835 * config/arm/pe.c: Fix compile time warnings.
14836 * config/arm/semi.h: Fix compile time warnings.
14837 * config/arm/arm.c: Fix compile time warnings.
14838 * config/arm/arm.h: Fix compile time warnings.
14839 * config/arm/arm.md: Fix compile time warnings.
14840 * config/arm/thumb.c: Fix compile time warnings.
14841 * config/arm/thumb.h: Fix compile time warnings.
14842 * config/arm/thumb.md: Fix compile time warnings.
14844 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14846 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14849 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14850 completely unrolled.
14852 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14854 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14856 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14858 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14859 * rtl.h (rtx_equal_p): Move prototype.
14860 * rtl.c (rtx_equal_function_value_matters): Move from
14862 (rtx_equal_p): Likewise.
14863 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14864 (rtx_equal_p): Likewise.
14866 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14868 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14869 ! HAS_INIT_SECTION.
14871 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14873 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14875 * pa.h (ADDR_VEC_ALIGN): Define.
14877 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14878 notes when presented with "if (foo) break; end_of_loop" and
14879 the break sequence gets moved out of the loop.
14881 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14882 Remove explicit zero initializations of entries within MAP.
14884 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14886 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14888 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14890 * bitmap.h (BITMAP_XMALLOC): New macro.
14891 * flow.c (CLEAN_ALLOCA): Remove.
14892 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14893 (life_analysis): Likewise.
14894 (update_life_info): Don't use CLEAN_ALLOCA.
14895 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14896 (calculate_global_regs_live): Likewise.
14897 (print_rtl_with_bb): Likewise.
14898 (verify_flow_info): Likewise.
14899 * global.c (global_alloc): Likewise.
14900 (global_conflicts): Likewise.
14901 * integrate.c (save_for_inline_nocopy): Likewise.
14902 (expand_inline_function): Likewise.
14903 * jump.c (jump_optimize_1): Likewise.
14904 (duplicate_loop_exit_test): Likewise.
14905 (thread_jumps): Likewise.
14906 * loop.c (loop_optimize): Likewise.
14907 (combine_givs): Likewise.
14908 (recombine_givs): Likewise.
14909 * reorg.c (dbr_schedule): Likewise.
14910 * unroll.c (unroll_loop): Likewise.
14912 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14914 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14916 * toplev.c (rest_of_compilation): Don't optimize the CFG
14917 when rebuilding, just before dbr.
14919 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14921 * output.h (assemble_end_function, assemble_destructor,
14922 assemble_constructor, assemble_gc_entry, assemble_global,
14923 assemble_label, output_constant_pool) Constify a char*.
14925 * varasm.c (assemble_destructor, assemble_constructor,
14926 assemble_gc_entry, assemble_end_function, assemble_global,
14927 assemble_label, output_constant_pool): Likewise.
14929 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14931 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14932 explaining what is goin on in this function.
14934 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14936 * regclass.c (record_reg_classes): In matching case, recompute
14937 costs since the direction of movement is different.
14939 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14941 * resource.c (mark_target_live_regs): For unconditional branches,
14942 the resources found at the branch target should be added to the
14943 resources found so far, not intersected.
14945 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
14947 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
14949 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
14950 (sys/mman.h): Include this file only if #HAVE_MMAP.
14951 (run_compiles): Initialize `esac_fmt' with one old KR string, not
14952 with automatically concatenated ANSI strings.
14954 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
14956 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
14957 (DIV_ROUND_UP): Robustify.
14958 (ggc_recalculate_in_use_p): New function.
14959 (release_pages): Don't inline it.
14960 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
14962 (ggc_pop_context): Use ggc_recalculate_in_use_p.
14963 (clear_marks): Always save in_use_p.
14964 (sweep_pages): Use ggc_recalculate_in_use_p.
14965 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
14966 Release pages before counting statistics.
14968 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
14970 * toplev.c (rest_of_compilation): Fix thinko in this change:
14972 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14974 (rest_of_compilation): If inside an inlined external function,
14975 pretend we are just being declared.
14977 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
14979 * flow.c (calculate_global_regs_live): Fix thinko.
14981 * integrate.c (expand_inline_function): Fix bugs in previous
14982 change from Oct 28, 1999.
14984 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
14986 * stmt.c (expand_value_return): Fix typo in this change:
14988 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14989 (expand_value_return): Correctly convert VAL when promoting function
14990 return; support RETURN_REG being a PARALLEL.
14992 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
14994 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
14996 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14998 * hard-reg-set.h (reg_names): Constify a char*.
15000 * regclass.c (reg_names): Likewise.
15002 * regs.h (reg_names): Likewise
15004 * a29k/a29k.c (reg_names): Delete declaration.
15006 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15008 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15009 arc_output_function_epilogue): Likewise.
15011 * elxsi/elxsi.c (reg_names): Likewise.
15013 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15015 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15018 * m88k/m88k.c (output_function_profiler): Likewise.
15020 * sparc/sparc.c (sparc_flat_output_function_prologue,
15021 sparc_flat_output_function_epilogue): Likewise.
15023 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15025 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15026 warning from -Wuninitialized and put it under -W.
15027 * function.c (uninitialized_vars_warning): Warn only when the
15028 corresponding flag is set.
15030 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15032 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15033 is nonzero and the single set does not have an elt, then assign
15036 * simplify-rtx.c: New file.
15037 * Makefile.in (OBJS): Add simplify-rtx.o
15038 (simplify-rtx.o): Add dependencies.
15039 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15040 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15041 (cse_gen_binary, simplify_unary_operation): Delete.
15042 (simplify_binary_operation, simplify_plus_minus): Likewise.
15043 (check_fold_consts, simplify_relation_operation): Likewise.
15044 (simplify_ternary_operation): Likewise.
15045 (delete_trivially_dead_insns): Simplify the contents of the
15046 REG_EQUAL note before trying to substitute it into the source
15047 of the reg-reg copy at the end of a libcall sequence.
15049 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15050 references/callers changed.
15052 * mn10200.c (mn10200_va_arg): Force the return value into a
15055 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15057 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15060 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15062 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15064 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15066 * fold-const.c (fold): Fix thinko when optimizing comparisons
15069 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15071 * gcc.texi (Passes): Update front-end files to their current
15074 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15076 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15077 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15078 (PREDICATE_CODES): Add addition_operation.
15079 * alpha-protos.h (addition_operation): Declare.
15080 (secondary_reload_class): Likewise.
15081 * alpha.c (addition_operation): New.
15082 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15083 * alpha.md (adddi3): Turn into expander.
15084 (*lda, *adddi_2): New.
15085 (movsf, movdf patterns): Don't preference integer regs.
15086 (movsi, movdi patterns): Don't preference fp regs.
15088 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15090 * genrecog.c (write_switch): Check for duplicate CODE cases.
15092 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15094 * ggc-common.c: Update pre-function commentary.
15095 * ggc-page.c: Likewise.
15097 (poison_pages): Use memset directly.
15098 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15099 (ggc_collect): Poison before sweeping.
15100 * ggc-simple.c: Update pre-function commentary.
15101 (ggc_alloc_obj): Poison non-zeroed memory.
15103 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15105 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15106 match format string, even on 64-bit hosts.
15107 * gcc-page.c (ggc_page_print_statistics): Likewise.
15109 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15111 * config/i386/i386.c (ix86_cpu): Revert last patch.
15112 * config/i386/i386.h (ix86_cpu): Ditto.
15114 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15116 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15117 TYPE_SIZE, convert type of result to sizetype.
15119 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15121 * flow.c (count_or_remove_death_notes): Equate NULL with the
15124 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15125 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15128 * i386.c (pic_label_no): Delete.
15129 (ix86_attr_length_default): Don't use single_set to peek
15132 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15133 the first insn after bb->end.
15134 * i386.md (push mem peeps): Scratch is live after evaluation
15136 (cmp mem peep): Similarly.
15138 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15140 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15141 * function.c (pad_to_arg_alignment): Add missing braces.
15143 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15145 * alpha/alpha-protos.h (literal_section): Add prototype.
15146 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15149 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15151 (alpha_start_function, alpha_end_function, float_strings,
15152 alpha_need_linkage): Constify a char*
15154 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15156 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15158 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15160 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15162 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15164 * flow.c (debug_flow_info): Add prototype.
15166 * gcc.c (main): Likewise.
15168 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15171 * reload1.c (failed_reload, set_reload_reg): Likewise.
15173 * mips-tfile.c (main): Likewise.
15174 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15175 with ATTRIBUTE_NORETURN.
15177 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15179 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15180 DECL is not a memory ref.
15182 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15184 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15185 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15187 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15189 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15190 * config/mips/elf64.h: ditto.
15192 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15194 * expr.c (emit_push_insn): New argument alignment_pad.
15195 Update all callers. Adjust stack pointer based on alignment pad.
15196 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15197 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15198 (locate_and_pad_parm): New argument alignment_pad. Update all
15200 * expr.h (emit_push_insn): Update prototype.
15201 (locate_and_pad_parm): Update prototype.
15202 * calls.c (arg_data): Add new field alignment_pad.
15203 (initialize_argument_information): Initialize alignment_pad.
15205 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15207 * except.c (free_eh_nesting_info): Free the info itself.
15208 * function.c (free_after_compilation): Don't free NULL.
15209 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15210 (pre_edge_insert): Free inserted.
15211 * stmt.c (free_stmt_status): Don't free NULL.
15213 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15215 * gcov.c (DIR_SEPARATOR): Provide default.
15216 (output_data): Add test for MS-DOS format absolute filename.
15217 (fancy_abort): Correct program name.
15218 (open_files): Open all files in binary mode.
15219 * libgcc2.c (__bb_exit_func): Likewise.
15221 * profile.c (init_branch_prob): Specify binary when opening files.
15223 * flags.h (flag_unwind_tables): New decl.
15224 * toplev.c (flag_unwind_table): New definition.
15225 (f_options): Add -funwind-tables.
15226 (decode_g_option): Clarify warning when unknown -g option is given.
15227 (rest_of_compilation): If inside an inlined external function,
15228 pretend we are just being declared.
15230 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15231 (dwarf2out_frame_finish): Likewise.
15233 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15235 * fold-const.c (merge_ranges): If not in0, but in1, handle
15236 upper bounds equal like subset case.
15238 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15240 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15241 passed in a register but moved to the stack.
15243 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15245 * gcc.c (pass_exit_codes, greatest_status): New variables.
15246 (struct option_map): Add entry for "--pass-exit-codes".
15247 (execute): Update greatest_status if error.
15248 (display_help): Add documentation for -pass-exit-codes.
15249 (process_command): Handle -pass-exit-codes.
15250 (main): Look at pass_exit_codes and greatest_status on call to exit.
15252 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15254 * reload.c (find_reloads): Refine test for no input reload
15255 case to not includes reloads emitted after insn.
15257 * function.c (find_temp_slots_from_address): Handle sum involving
15258 a register that points to a temp slot.
15259 (update_temp_slot_address): Make recursive call if both old and
15260 new are PLUS with a common operand.
15261 * calls.c (expand_call): Mark temp slot for result as having
15264 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15266 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15267 component as well as "BINUTILS".
15269 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15270 * integrate.c (copy_rtx_and_substitute): Likewise.
15271 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15272 All callers changed.
15273 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15275 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15276 gdb extensions, write size of type; also be more consistent
15277 in using references when this is a subtype.
15279 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15280 that is out of range.
15282 * loop.c (unknown_constant_address_altered): New variable.
15283 (prescan_loop): Initialize it.
15284 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15285 (invariant_p, case MEM): Remove handling for volatile and readonly;
15286 check new variable if readonly.
15287 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15289 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15290 (addr_affects_sp_p): Removed from note_mem_written and only
15291 define #ifdef AUTO_INC_DEC.
15293 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15295 * regclass.c (record_reg_classes): Properly handle register move
15298 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15299 Don't think valid if both operands are invalid.
15300 (struct constant_descriptor): New field RTL.
15301 (mark_const_hash_entry): Mark it.
15302 (record_constant{,_rtx}): Initialize it.
15303 (output_constant_def): Allocate RTL in permanent obstack and
15305 ({record,compare}_constant_1): Modes must match for
15306 CONSTRUCTOR of ARRAY_TYPE.
15308 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15309 * output.h (initializer_constant_valid_p): Move decl to here.
15310 * c-common.c (initializer_constant_valid_p): Delete function from here.
15311 * varasm.c (initializer_constant_valid_p): Move function to here.
15313 * tree.h (STRIP_SIGN_NOPS): New macro.
15314 * fold-const.c (optimize_minmax_comparison): New function.
15315 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15316 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15317 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15318 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15319 widening conversions.
15320 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15321 to look at size of mode, not precision of type; also add missing cases.
15322 (optimize_bit_field_compare, decode_field_reference): Don't try to
15323 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15325 * dwarf2out.c (ctype.h): Include.
15326 (dwarf2out_set_demangle_name_func): New function.
15327 (size_of_line_info): Deleted.
15328 (output_line_info): Compute size of line info table from difference
15330 (base_type_die, add_name_attribute): Call demangle function, if any.
15331 (field_byte_offset): Use bits per word for variable length fields.
15332 (gen_array_type_die): Add array name.
15333 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15334 (dwarf2out_add_library_unit_info): New function.
15336 * explow.c (set_stack_check_libfunc): New function.
15337 (stack_check_libfunc): New static variable.
15338 (probe_stack_range): Allow front-end to set up a libfunc to call.
15340 * combine.c (simplify_comparison): When making comparison in wider
15341 mode, check for having commuted an AND and a SUBREG.
15342 (contains_muldiv): New function.
15343 (try_combine): Call it when dividing a PARALLEL.
15344 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15345 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15347 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15348 use one of the CLOBBERs instead.
15349 (if_then_else_cond): If comparing against zero, just return thing
15352 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15353 Don't generate shifts and subtract if have conditional arithmetic.
15355 * rtl.h (delete_barrier): New declaration.
15356 * jump.c (jump_optimize): Set up to handle conditional call.
15357 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15358 (delete_barrier): New function.
15360 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15362 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15364 * tree.c (build_type_attribute_variant): Push to obstack of
15365 ttype around type_hash_canon call.
15367 * expr.c (placeholder_list): Move decl to file scope.
15368 (expand_expr): Don't force access to volatile just because its
15370 If ignoring reference operations, just expand the operands.
15371 (expand_expr, case COMPONENT_REF): Propagate
15372 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15373 Refine test for using bitfield operations vs pointer punning.
15374 (expand_expr, case CONVERT_EXPR): If converting to
15375 BLKmode UNION_TYPE from BLKmode, just return inner object.
15376 Use proper mode in store_field call.
15377 Properly set sizes of object to store and total size in store_field
15378 call for convert to union.
15379 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15380 memory (like for ADDR_EXPR). Also, don't put constant in register if
15381 we'll want it in memory.
15382 (readonly_fields_p): New function.
15383 (expand_expr, case INDIRECT_REF): Call it if LHS.
15384 (expand_assignment): Handle a RESULT_DECL where
15385 DECL_RTL is a PARALLEL.
15386 (do_jump, case WITH_RECORD_EXPR): New case.
15387 (get_inner_reference): Always go inside a CONVERT_EXPR
15388 and NOP_EXPR if both modes are the same.
15389 (store_field): Use bitfield operations if size of bitsize is not same
15390 as size of RHS's type.
15391 Check for bitpos not a multiple of alignment in BLKmode case.
15392 Do block move in largest possible alignment.
15393 (store_constructor): Set BITSIZE to -1 for variable size and properly
15394 in case of array of BLKmode.
15395 (expand_expr_unaligned): New function.
15396 (do_compare_and_jump): Call it.
15398 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15399 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15400 does not include 'o'.
15402 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15403 both SET_DEST and SET_SRC reference a virtual register.
15404 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15406 * integrate.c (expand_inline_function): Handle case of setting
15407 virtual stack vars register (from built in setjmp); when parameter
15408 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15409 (subst_constant): Add new parm, MEMONLY.
15410 (expand_inline_function, integrate_parm_decls): Pass new parm.
15411 (integrate_decl_tree): Likewise.
15412 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15413 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15414 (copy_rtx_and_substitute, case SET): Add explicit calls to
15415 copy_rtx_and_substitute for both sides.
15417 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15419 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15420 within INDEX_TYPE, instead of before.
15421 (fixup_gotos): Use f->target_rtl, not the next insn,
15422 since latter may be from a later fixup.
15423 (expand_value_return): Correctly convert VAL when promoting function
15424 return; support RETURN_REG being a PARALLEL.
15425 (expand_return): When checking for result in regs and having
15426 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15428 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15430 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15431 last_nominal_fname): Mark const.
15432 (struct include_hash: name, nshort, control_macro): Mark
15434 (struct macrodef: symnam): Mark const.
15435 (struct if_stack: fname): Mark const.
15436 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15437 (IStable): New character-syntax array which encompasses all
15438 the old is_foo arrays.
15439 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15440 is_space): New macros for interrogating IStable.
15441 (check_macro_name): Kill last argument. All callers changed.
15443 * cppinit.c (initialize_char_syntax): Delete.
15444 (is_idchar, is_idstart, is_hor_space, is_space,
15445 trigraph_table): Delete.
15446 (IStable): New. Initialize with clever macros to avoid
15447 information duplication.
15448 (builtin_array): Table of builtins to get rid of explicit list
15449 in initialize_builtins.
15450 (initialize_builtins): Use builtins_array.
15451 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15452 opts->dollars_in_ident.
15454 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15456 (cpp_parse_expr): Avoid 'format string is not constant'
15457 warning. Use ISGRAPH to identify printable chars.
15458 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15460 (read_and_prescan): Map trigraphs to chars with open-coded
15461 if-else-if-... sequence, not a lookup table.
15462 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15464 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15465 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15466 (check_macro_name): Remove ability to report an invalid
15467 assertion name, which is never used.
15468 (do_line): Constify a couple of char *'s.
15469 * cppmain.c (main): Call cpp_cleanup before returning.
15471 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15473 * ggc.h (struct ggc_statistics): New type.
15474 (ggc_get_size): New function.
15475 (ggc_print_statistics): Likewise.
15476 * ggc-common.c (ggc_stats): New variable.
15477 (ggc_mark_rtx_children): Keep statistics.
15478 (ggc_mark_tree_children): Likewise.
15479 (ggc_print_statistics): New function.
15480 * ggc-page.c (struct globals): Add bytes_mapped field.
15481 (alloc_anon): Update it.
15482 (release_pages): Likewise.
15483 (ggc_get_size): New function.
15484 (ggc_page_print_statistics): New function.
15485 * ggc-simple.c (ggc_get_size): New function.
15487 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15489 * flow.c (propagate_block): When the last reference to a label
15490 before an ADDR_VEC is deleted because the reference is a dead
15491 store, delete the ADDR_VEC.
15493 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15495 * resource.c (find_free_register): Don't use the frame pointer
15496 if frame_pointer_needed.
15498 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15500 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15501 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15503 * config/i960/i960.c (i960_va_start): New locals base, num.
15504 Use INDIRECT_REF instead of ARRAY_REF on valist.
15505 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15507 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15509 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15511 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15513 * tree.def (PLACEHOLDER_EXPR): Update comments.
15515 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15517 * c-common.c (check_format_info): Avoid non-literal format string
15518 warnings when `first_arg_num' is zero.
15520 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15522 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15524 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15526 * arm.md (casesi_insn): Add a clobber of the condition code
15529 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15531 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15532 used by both cc1 and cc1plus.
15534 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15536 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15537 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15538 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15539 to the value 32 if it has not already been defined.
15540 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15541 Override definition in arm.h with a value of 8.
15543 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15545 * c-pragma.c (push_alignment): Don't check the return value
15548 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15550 * sparc.h (ADJUST_COST): Fix thinko.
15552 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15554 * cccp.c (rescan): Fixed obp pointer handling around call to
15555 check_expand subroutine.
15557 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15559 * gcse.c (delete_null_pointer_checks): Only record non-null info
15560 for pseudos when examining stores.
15562 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15563 splitters for these patterns. Use "#" for output templates.
15564 (addsi3_carryin_shift): New pattern.
15566 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15568 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15569 of the function return register into a plain REG until
15570 after function inlining is done.
15572 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15574 * jump.c (jump_optimize_1): If we did cross-jumping, and
15575 the data will matter, rebuild the CFG.
15576 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15577 not optimizing. Don't run shorten_branches.
15578 * toplev.c (rest_of_compilation): Run shorten_branches after
15581 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15583 * rtl.h (note_stores): Add additional paramter.
15584 * rtlanal.c (reg_set_p_1): Take additional paramter.
15585 (reg_set_last_1): Likewise.
15586 (reg_set_p): Adjust call to note_stores.
15587 (reg_set_last): Likewise.
15588 (note_stores): Pass data parameter to worker function.
15589 * alias.c (record_set): Take additional parameter.
15590 (init_alias_analysis): Pass it.
15591 * caller-save.c (mark_set_regs): Take additional parameter.
15592 (save_call_clobbered_regs): Pass NULL to note_stores.
15593 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15595 (record_dead_and_set_regs_1): Likewise.
15596 (reg_dead_at_p_1): Likewise.
15597 (combine_instructions): Adjust calls to note_stores.
15598 (try_combine): Likewise.
15599 (record_dead_insn): Remove.
15600 (record_dead_and_set_regs): Adjust calls to note_stores.
15601 (reg_dead_at_p): Likewise.
15602 * cse.c (invalidate_skipped_set): Take additional parameter.
15603 (cse_check_loop_start): Likewise.
15604 (cse_check_loop_start_value): Remove.
15605 (cse_set_around_loop): Adjust calls to note_stores.
15606 * flow.c (notice_stack_pointer_modification): Take additional
15607 parameter. Remove duplicate declaration.
15608 (record_volatile_insns): Adjust calls to note_stores.
15609 * gcse.c (record_set_info): Take additional parameter.
15610 (record_last_set_info): Likewise.
15611 (invalidate_nonnull_info): Likewise.
15612 (record_set_insn): Remove.
15613 (compute_sets): Adjust calls to note_stores.
15614 (last_set_insn): Remove.
15615 (compute_hash_table): Adjust calls to note_stores.
15616 (insert_insn_end_bb): Likewise.
15617 (delete_null_pointer_checks): Likewise.
15618 * global.c (mark_reg_store): Take additional parameter.
15619 (mark_reg_clobber): Likewise.
15620 (reg_becomes_live): Likewise.
15621 (global_conflicts): Adjust calls to note_stores.
15622 (build_insn_chain): Likewise.
15623 * integrate.c (note_modified_parmregs): Take additional parameter.
15624 (mark_stores): Likewise. Make it static.
15625 (save_for_inline_nocopy): Adjust calls to note_stores.
15626 (try_constants): Likewise.
15627 * integrate.h (mark_stores): Remove declaration.
15628 * jump.c (mark_modified_reg): Take additional parameter.
15629 (thread_jumps): Adjust calls to note_stores.
15630 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15632 (no_equiv): Likewise.
15633 (reg_is_set): Likewise.
15634 (validate_equiv_mem): Adjust calls to note_stores.
15635 (update_equiv_regs): Likewise.
15636 (block_alloc): Likewise.
15637 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15638 (note_addr_stored): Take additional parameter.
15639 (note_set_pseudo_multiple_uses): Likewise.
15640 (record_initial): Likewise.
15641 (prescan_loop): Adjust calls to note_stores.
15642 (strength_reduce): Likewise.
15643 (check_dbra_loop): Likewise.
15644 * regmove.c (flags_set_1): Take additional paramter.
15645 (mark_flags_life_zones): Adjust calls to note_stores.
15646 * reload1.c (mark_not_eliminable): Take additional parameter.
15647 (forget_old_reloads_1): Likewise.
15648 (reload_cse_invalidate_rtx): Likewise.
15649 (reload_cse_check_clobber): Likewise.
15650 (reload_combine_note_store): Likewise.
15651 (move2add_note_store): Likewise.
15652 (reload): Adjust calls to note_stores.
15653 (reload_as_needed): Likewise.
15654 (emit_reload_insns): Likewise.
15655 (reload_cse_regs_1): Likewise.
15656 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15657 (reload_combine): Adjust calls to note_stores.
15658 * resource.c (update_live_status): Take additional paramter.
15659 (mark_target_live_regs): Adjust calls to note_stores.
15660 * stupid.c (find_clobbered_regs): Take additional parameter.
15661 (stupid_life_analysis): Adjust calls to note_stores.
15663 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15665 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15668 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15671 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15672 of the variable arm_structure_size_boundary.
15674 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15676 * alias.c (init_alias_analysis): Allocate reg_known_value and
15677 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15679 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15680 * cse.c (cse_main): Call end_alias_analysis.
15681 * haifa-sched.c (schedule_insns): Likewise.
15682 * local-alloc. (update_equiv_regs): Likewise.
15683 * reload1.c (reload_cse_regs): Likewise.
15685 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15687 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15688 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15689 mapping from MASK_FPU.
15691 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15693 * sparc.md (call): Don't bound structure return size to 0xfff.
15695 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15697 * resource.c (mark_target_live_regs): Check that the target
15698 insn wasn't created after compute_bb_for_insn.
15700 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15702 * ggc-page.c (poison_pages): Don't be overzealous.
15704 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15706 * alias.c: Update comments for ADDRESS.
15707 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15708 it is a local memory reference.
15710 * c-typeck.c (build_function_call): Check that the built-in
15711 function is of class BUILT_IN_NORMAL before trying to recongize
15712 it as BUILT_IN_ABS.
15713 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15714 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15716 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15718 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15720 (pre_gcse): Likewise.
15721 (hoist_expr_reaches_here_p): Likewise.
15722 (hoist_code): Likewise.
15723 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15725 (pre_expr_reaches_here_p_work): ... here.
15726 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15728 (expr_reaches_here_p_work): ... here.
15730 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15732 * resource.c (find_basic_block): Delete.
15733 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15734 (init_resource_info): Call compute_bb_for_insn.
15736 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15738 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15739 with already adjacent blocks, but no fallthru.
15740 (merge_blocks_move_successor_nojumps): Simplify.
15741 (debug_flow_info): New.
15743 * toplev.c (rest_of_compilation): Open jump1 dump file before
15744 jump and close after, as opposed to just using dump_rtl.
15746 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15748 * reload.h (earlyclobber_operand_p): Declare.
15749 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15750 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15751 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15752 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15754 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15755 Richard Henderson <rth@cygnus.com>
15757 * emit-rtl.c (emit_block_insn_before): New.
15758 (emit_block_insn_after): New.
15759 * basic-block.h: Declare them.
15761 * bitmap.h: Protect from multiple inclusion.
15763 * recog.c (scratch_operand): Handle VOIDmode correctly.
15765 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15767 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15768 * function.c (assign_parms): Likewise.
15769 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15771 * reg-stack.c (max_uid): Remove.
15772 (blocks, block_begin, block_end, block_drops_in): Remove.
15773 (block_stack_in, block_out_reg_set, block_number): Remove.
15774 (struct block_info_def, BLOCK_INFO): New.
15775 (enum emit_where): New.
15776 (current_block): New.
15777 (BLOCK_NUM): Remove.
15778 (mark_regs_pat, record_label_references): Remove.
15779 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15781 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15782 (reg_to_stack): Simplified test for existance of fp code. Use
15783 flow.c code. Call shorten_branches after cross-jump opt.
15784 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15785 Return false if the asm doesn't use stack regs. Don't do life
15786 analysis on the asm.
15787 (emit_pop_insn): Replace function pointer arg `when' with
15788 enum `where'. Update all callers.
15789 (change_stack): Likewise. Update basic block end.
15790 (emit_swap_insn): Use current_block->head to limit reverse search
15791 for start of block. Use emit_block_insn_after.
15792 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15793 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15794 structure assignment instead of bcopy.
15795 (print_stack): New.
15796 (convert_regs_entry, convert_regs_exit): New.
15797 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15798 Work on basic blocks and the CFG.
15799 (convert_regs): Use them.
15801 * i386.c (output_fix_trunc): Remove code for DImode input operand
15802 not at top-of-stack.
15803 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15805 (fix_truncdi_1): Allow any mode scratch.
15807 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15809 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15810 * linux.h, netbsd.h, vms.h: Not here.
15812 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15814 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15815 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15816 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15817 CONDITIONAL_REGISTER_USEAGE): Use them.
15818 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15819 gen_conditional_branch,override_options) : Use them.
15820 * config/mips/mips.md : Use them.
15822 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15824 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15826 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15828 * integrate.c (function_cannot_inline_p): Don't allow inlining
15831 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15833 * c-parse.in (cast_expr): Constify.
15835 * cccp.c (special_symbol): Likewise.
15837 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15839 * dwarf2out.c (base_type_die): Likewise.
15841 * global.c (allocno_compare): Likewise.
15843 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15845 * regclass.c (fix_register): Likewise.
15847 * rtl.h (fix_register): Likewise.
15849 * stupid.c (stupid_reg_compare): Likewise.
15851 * toplev.c (decode_f_option): Likewise.
15853 * tree.c (build_complex_type): Likewise.
15855 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15857 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15859 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15861 * reload.c (find_reloads): Compute mode and nregs fields of all
15863 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15864 (calculate_needs): Use precomputed mode/nregs values.
15865 (allocate_reload_reg): Likewise.
15867 (failed_reload, set_reload_reg): ... new functions.
15868 (choose_reload_regs_init): New function, mostly broken out from...
15869 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15870 Also lose one #if 0 block.
15872 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15874 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15877 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15879 * tree.h (BLOCK_TYPE_TAGS): Remove.
15880 (BLOCK_END_NOTE): Likewise.
15881 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15882 (BLOCK_LIVE_RANGE_START): Likewise.
15883 (BLOCK_LIVE_RANGE_END): Likewise.
15884 (tree_block): Remove live_range_flag, live_range_var_flag, and
15885 type_tags. Remove end_note, live_range_start, and live_range_end.
15886 (remember_end_note): Remove prototype.
15887 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15888 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15890 * ggc-common.c (ggc_mark_tree_children): Don't mark
15891 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15892 * integrate.c (adjust_copied_decl_tree): Remove.
15893 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15894 * stmt.c (last_block_end_note): Remove.
15895 (init_stmt): Don't add a GC root for it.
15896 (expand_fixup): Don't set it.
15897 (remember_end_note): Remove.
15898 (expand_end_bindings): Don't set last_block_end_note.
15900 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15902 * reload1.c (reload_reg_free_for_value_p): Show
15903 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15906 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15908 * expmed.c (extract_bit_field): Allow for the case of non-integer
15909 objects that are smaller than a word (like SFmode on a 64-bit
15912 * loop.c (basic_induction_var): A non-integer variable which is
15913 being set by a paradoxical subreg is probably not a biv.
15915 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15917 * prefix.c (translate_name) Check for empty prefix string.
15919 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15921 * Makefile.in (CPP_CROSS_NAME): New variable.
15922 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15924 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15925 names of the files to be uninstalled.
15927 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15929 * collect2.c (IS_DIR_SEPARATOR): Define.
15930 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15932 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15935 * haifa-sched.c (add_dependence): Update the true dependency
15936 cache the first time we add a true dependence to the LOG_LINKS chain.
15938 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15940 * fold-const.c (fold): Fix comment.
15942 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15944 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15945 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15946 dbxout_start_new_source_file, dbxout_source_file,
15947 dbxout_source_line, dbxout_finish, dbxout_type_fields,
15948 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
15950 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
15951 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
15952 (dbxout_block): Initialize variable `blocknum'.
15954 * dbxout.h (dbxout_init, dbxout_finish,
15955 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
15956 dbxout_args, dbxout_source_line): Constify a char*.
15958 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
15959 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
15960 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
15961 low_pc_attribute, high_pc_attribute, body_begin_attribute,
15962 body_end_attribute, comp_dir_attribute, sf_names_attribute,
15963 src_info_attribute, mac_info_attribute, producer_attribute,
15964 lookup_filename, generate_macinfo_entry, fundamental_type_code,
15965 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
15966 dwarfout_undef): Constify a char*.
15967 (add_incomplete_type, retry_incomplete_types): Add prototypes.
15969 * dwarfout.h (dwarfout_define, dwarfout_undef,
15970 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
15972 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
15974 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
15975 (MULTILIB_ISA_DEFAULT): New.
15976 (MULTILIB_DEFAULTS): Use it.
15977 * config/mips/mips.c (): Remove the now unnecessary definition
15978 of MIPS_ISA_DEFAULT.
15979 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
15980 unnecessary definition.
15982 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
15984 * arm.md (pic_load_addr): Add constraints to operand 1.
15986 1999-10-25 Bruce Korb <autogen@linuxbox.com>
15988 * fixinc/genfixes: Provide a means for specifying -D options to
15991 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
15993 * arm.c (arm_override_options): Correct initialization of
15994 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
15995 arm_is_strong, and arm_is_6_or_7.
15997 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
15998 (note_set_pseudo_multiple_uses): New function.
15999 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16000 if a pseudo set in the loop exit is used elsewhere.
16002 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16004 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16006 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16008 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16009 a single load-address pattern.
16011 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16013 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16014 depending on whether or not line-number notes are present.
16016 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16018 * cccp.c (progname, file_buf, default_include, include_file,
16019 macrodef, definition, hashval, wchar_type, user_label_prefix,
16020 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16021 expand_to_temp_buffer, is_system_include, base_name,
16022 absolute_filename, read_name_map, open_include_file,
16023 record_control_macro, check_precompiled, check_preconditions,
16024 pcfinclude, pass_thru_directive, create_definition,
16025 check_macro_name, comp_def_part, collect_expansion,
16026 check_assertion, read_token_list, assertion_install,
16027 assertion_lookup, eval_if_expression, conditional_skip,
16028 validate_else, skip_quoted_string, quote_string, macarg1,
16029 error_from_errno, install, lookup, hashf, dump_defn_1,
16030 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16031 check_white_space, rescan, handle_directive, monthnames,
16032 special_symbol, do_include, remap_include_file, write_output,
16033 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16034 do_ident, do_sccs, do_xifdef, skip_if_group,
16035 output_line_directive, macroexpand, macarg, change_newlines,
16036 initialize_builtins, make_definition): Constify a char*.
16038 * pcp.h (stringdef): Likewise.
16040 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16042 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16045 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16046 Richard Henderson <rth@cygnus.com>
16048 * alias.c: Include ggc.h.
16049 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16050 (record_set): Verify enough room in reg_base_value.
16051 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16052 Register it as a GC root.
16053 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16054 * Makefile.in (alias.o): Depend on ggc.h.
16056 * unroll.c (unroll_loop): Verify the insn before a barrier
16057 is a JUMP_INSN before checking JUMP_LABEL.
16059 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16061 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16062 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16063 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16064 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16065 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16066 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16068 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16070 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16072 * alpha/alpha-interix.h (text_section): Delete prototype.
16073 * alpha/elf.h (text_section): Likewise.
16074 * arm/linux-elf.h (text_section): Likewise.
16075 * arm/linux-telf.h (text_section): Likewise.
16076 * c4x/c4x.h (text_section): Likewise.
16077 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16078 * elfos.h (text_section): Likewise.
16079 * i386/aix386ng.h (text_section): Likewise.
16080 * i386/i386-interix.h (text_section): Likewise.
16081 * i386/sco5.h (text_section): Likewise.
16082 * i386/svr3gas.h (text_section): Likewise.
16083 * nextstep.h (text_section): Likewise.
16084 * psos.h (text_section): Likewise.
16085 * ptx4.h (text_section): Likewise.
16086 * svr3.h (text_section): Likewise.
16087 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16089 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16091 * final.c (peephole): Delete prototype.
16093 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16094 (pre_insert_copies): Remove unused variable `bb'.
16096 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16099 * output.h (peephole): Add prototype.
16101 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16103 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16106 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16108 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16109 for inlined declarations.
16111 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16113 * arm.c (logical_binary_operator): New fucntion.
16114 * arm.h (logical_binary_operator): Declare it.
16115 (PREDICATE_CODES): Handle logical_binary_operator.
16116 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16117 output constraints. Add appropriate splitters.
16118 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16119 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16120 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16122 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16124 * genoutput.c (struct operand_data): New elt eliminable.
16125 (output_operand_data): Write it.
16126 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16127 (compare_operands): Take it into account.
16128 * recog.h (struct insn_operand_data): New elt eliminable.
16129 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16131 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16132 (eliminate_regs): Move code that detects changes to elimination
16133 target regs into new function elimination_effects.
16134 Delete one #if 0 block.
16135 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16136 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16137 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16138 Only call eliminate_regs for real operands of the insn, not for parts
16139 of its structure or parts matched by things like match_operator.
16140 Use elimination_effects and check_eliminable_occurrences. Use
16141 copy_insn to duplicate the pattern when not in the final pass.
16143 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16145 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16148 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16150 * fixinc/README: document the "mach" machine matching test
16151 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16152 * fixinc/fixtests.c: Implement the #else/#endif label test
16153 * fixinc/inclhack.def: utilize these tests and fixes
16154 * fixinc/inclhack.sh: regen
16155 * fixinc/fixincl.x: regen
16156 * fixinc/fixincl.sh: regen
16158 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16160 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16163 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16165 * gcc.1: Document exit codes.
16167 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16169 * calls.c: Include tm_p.h later, so everything we need is defined.
16170 * expr.c: Likewise.
16171 * function.c: Likewise.
16173 * except.c: Include tm_p.h.
16175 * sparc.c: Likewise.
16176 (dwarf2out_cfi_label): Don't prototype.
16177 (check_return_regs, epilogue_renumber,
16178 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16179 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16180 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16181 ultra_schedule_insn): Add static prototype.
16182 (data_segment_operand, text_segment_operand): Call itself with the
16183 proper number of arguments.
16184 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16186 * sparc.h: Move all declarations to sparc-protos.h.
16187 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16190 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16192 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16194 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16195 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16196 ASM_OUTPUT_ASCII): Constify a char*.
16198 * sparc-protos.h: New file for sparc prototypes.
16200 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16202 * function.c (record_insns, contains): Always declare and define.
16203 (record_insns): Mark with ATTRIBUTE_UNUSED.
16205 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16207 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16208 to .section when outputting a .bss section to deal with multiple
16209 .bss input sections (as happens with -fdata-sections)
16210 Also output %progbits, not @progbits so the assembler doesn't treat as
16212 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16214 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16215 thumb parts even when building with non-thumb CPUs, by forcing
16218 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16220 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16221 (movdf_const_intreg_sp64): Similarly.
16223 * local-alloc.c (update_equiv_regs): Check the correct insn
16224 for pre-existing REG_EQUIV notes.
16226 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16228 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16229 block reached by a branch if we're not going to actually process
16232 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16234 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16235 a local extern function declaration.
16237 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16239 * i386.c (ix86_expand_prologue): Properly wrap USE around
16240 reg for CALL_INSN_FUNCTION_USAGE.
16242 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16244 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16245 move between GP_REGs.
16247 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16249 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16250 the mode size when finding out if an offset is legal.
16252 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16254 * basic-block.h (PROP_*): Move constants from ...
16255 * flow.c: ... here.
16256 (compute_bb_for_insn): Free the array before reallocating.
16257 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16258 (allocate_reg_life_data): Reset all reg variables collected by
16260 (get_block_head_tail): Don't convert from bb to block.
16261 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16262 (find_insn_reg_weight): Take block not bb.
16263 (schedule_block): Don't set block num for moved insns.
16264 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16265 (schedule_insns): Do it here instead.
16266 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16267 before update_life_info.
16268 * recog.c (split_all_insns, peephole2_optimize): Update for
16269 new arg to update_life_info.
16270 * rtlanal.c (remove_note): Cope with NULL note.
16271 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16274 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16276 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16278 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16279 block records so that merge_blocks_nomove will clean up correctly.
16280 (split_edge): Handle casesi insns.
16282 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16284 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16286 * pa.md (call, call_value): Do not emit a blockage after restoring
16289 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16291 * c-typeck.c (c_expand_asm_operands): Fix typo.
16293 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16295 * arm.c (fpu_rhs_operand): Verify modes.
16296 (fpu_add_operand): Likewise.
16297 (di_operand): Likewise.
16298 (soft_df_operand): Likewise.
16300 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16302 * arm.c (arm_return_in_memory): APCS rules state that the elements
16303 of a structure returned in a register must be 'integer-like'.
16305 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16307 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16308 in the source tree when the generated targets are out of date
16309 * fixinc/genfixes: Alter it to run individual fixes for make.
16310 * fixinc/README: rewrite
16311 * fixinc/inclhack.def: moved initial comments to README
16313 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16315 * toplev.c (main): Do not generate an error message if an
16316 unrecognised command line switch is recognisable by another
16317 language. If extra_warnings are enabled, then generate a
16318 warning message instead.
16320 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16322 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16323 (insert_pack_attributes): Delete prototype.
16325 * c-pragma.c (default_alignment): New static variable.
16326 (push_alignment): Initialize to current effective alignment.
16327 (pop_alignment): Use to set new alignment.
16328 (insert_pack_attributes): Delete function.
16329 (handle_pragma_token): Set default_alignment as well each time
16330 a #pragma pack(<n>) is encountered.
16332 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16334 * reg-stack.c (stack_result): Aggregates are not returned in
16337 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16339 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16341 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16343 * basic-block.h (set_block_num): Declare.
16344 * flow.c (update_life_info): Don't call compute_bb_for_insn
16345 or free_basic_block_vars.
16346 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16347 (insn_orig_block): Remove.
16348 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16349 (schedule_block): Keep BLOCK_NUM up-to-date.
16350 (schedule_insns): Use compute_bb_for_insn.
16351 * recog.c (split_all_insns): Likewise.
16352 (peephole2_optimize): Likewise.
16354 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16356 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16357 if the pic register is used.
16359 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16361 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16362 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16363 if that tests TREE_PERMANENT.
16365 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16367 * cse.c (invalidate_for_call): Do not remove memory references from
16368 the table here. It's handled elsewhere.
16370 * haifa-sched.c (add_dependence): Protect references to the
16371 true dependency cache with #ifdef INSN_SCHEDULING.
16372 (remove_dependence): Similarly.
16374 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16375 to the cfg code that this is a return instruction.
16376 * mn10300.md (return_internal): Similarly.
16378 * combine.c (get_last_value): If the last set of a register
16379 is after subst_low_cuid, then we can not use it to determine
16380 the register's last value.
16382 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16384 * Makefile.in: Back out previous change.
16386 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16388 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16390 * haifa-sched.c (add_dependence): Only check/update the cache
16392 (remove_dependence): Likewise.
16393 (schedule_insns): Only create the true_dependency_cache if the
16394 average number of instructions in a basic block is very large.
16396 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16398 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16399 (ggc-simple.o): Likewise.
16400 (ggc-page.o): Likewise.
16402 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16404 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16405 Prototype for exported functions.
16406 (pre_lcm, pre_rev_lcm): Remove prototypes.
16407 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16408 (compute_available): Move to lcm.c, and change parameter order.
16409 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16410 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16411 (gcse_main): No longer call compute_preds_succs. Rebuild the
16412 set table after reach pre pass.
16413 (pre_insert_map, pre_delete_map, edge_list): New.
16414 (alloc_pre_mem): Allocate edge vectors.
16415 (free_pre_mem): Delete edge vectors.
16416 (compute_pre_data): Call new edge based lcm routines.
16417 (process_insert_insn): New function.
16418 (insert_insn_end_bb): Use it.
16419 (pre_edge_insert): New function.
16420 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16422 (pre_insert_copies): Revamp using new edge based lcm outputs.
16423 (pre_delete): Likewise.
16424 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16426 (compute_code_hoist_vbeinout): New new edge based routines.
16427 * lcm.c: Remove all the old LCM functions. Replace with new ones
16428 that work with the new cfg datastructures and work with edges
16431 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16433 * reload.h (struct reload): Add new fields "mode" and "nregs".
16434 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16435 to reference the "mode" and "nregs" field within struct reload.
16437 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16439 * haifa-sched.c (true_dependency_cache): New.
16440 (add_dependence): Use the true dependency cache to avoid expensive
16441 walks down the LOG_LINKS dependency list. Add entries to the
16442 cache as necessary.
16443 (remove_dependence): Remove entries from the true dependency cache
16445 (schedule_insns): Allocate and initialize and free the true
16448 * haifa-sched.c (schedule_insns): Do not remove inter-block
16449 dependencies anymore.
16451 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16453 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16454 * i386/t-winnt: Likewise.
16456 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16458 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16460 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16462 * Makefile.in (LANGUAGES): Omit "proto".
16463 (clean): Remove stale comment about removing unprotoize.c.
16465 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16467 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16468 using arithmetic on void pointers.
16470 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16472 * haifa-sched.c (compute_block_forward_dependencies): Only check
16473 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16475 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16477 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16478 (expr_equiv_p): Reject memories with different alias sets.
16480 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16482 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16483 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16484 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16485 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16486 (lang_init): Set default for flag_bounds_check if still "unspecified".
16488 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16490 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16492 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16494 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16497 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16499 * config/c4x/c4x.md (*db_noclobber,
16500 *decrement_and_branch_until_zero_noclobber): New patterns and
16501 associated splitters.
16503 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16505 * config/c4x/c4x.md (parallel instruction patterns): Rework
16506 constraints to keep reload happy.
16508 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16510 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16511 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16512 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16513 Add new patterns and associated post-reload splitters.
16515 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16517 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16519 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16521 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16523 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16525 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16527 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16530 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16532 * pa.c (move_operand): Rely on memory_address_p to determine the
16533 validity of non-indexed memory addresses.
16534 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16535 operand in DFmode and SFmode when generating PA2.0 code.
16537 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16539 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16541 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16543 * mips.c (function_prologue): Fix argument types.
16544 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16545 (casesi_internal): Write to the scratch register.
16547 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16549 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16551 (parse_charconst): Delete unnecessary cast when calling
16553 (cpplib.h): Kill prototype of cpp_parse_escape.
16555 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16557 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16558 * unroll.c (unroll_loop): Cast return value of alloca.
16559 * i370/i370.c: Include function.h and toplev.h.
16560 (i370_label_scan): Remove c++ commented abort.
16561 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16562 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16563 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16564 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16566 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16568 * config/t-freebsd: Do not override USER_H.
16569 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16571 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16572 Mumit Khan <khan@xraylith.wisc.edu>
16574 * c-parse.in (component_decl): Support anonymous struct/union.
16576 * c-parse.y: Regenerate.
16577 * c-parse.c: Likewise.
16578 * objc/objc-parse.y: Likewise.
16579 * objc/objc-parse.c: Likewise.
16580 * c-decl.c (finish_struct): Don't sort the fields.
16581 (field_decl_cmp): Delete unused function.
16583 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16585 * sparc.md (movsf_const_intreg): Revert last constraint change.
16586 (movdf_const_intreg_sp32): Likewise.
16588 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16590 * cse.c: Include hashtab.h instead of splay-tree.h
16591 (struct cse_reg_info): No longer use variant union. Add new
16592 field "regno". All references changed to avoid union.
16593 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16594 (free_cse_reg_info): Remove.
16595 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16596 (get_cse_reg_info): Revamp to use expandable hash tables instead
16597 of splay trees. Initialize new fields in cse_reg_info structure.
16598 (new_basic_block): Similarly.
16600 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16602 * genrecog.c (message_with_line): Prototype.
16603 (validate_pattern): Pass along the set for the dest, not a flag.
16604 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16605 Check for PC/CC0 as sources.
16606 (nodes_identical): Check for children position match before
16607 allowing the combination.
16609 * rtl.c (read_rtx): Track line number across \\\n.
16611 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16613 * mips.h (SPECIAL_MODE_PREDICATES): New.
16614 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16615 (movdi+1, movsi+1): Add output reload constraint.
16616 (casesi_internal): Likewise. Fix commentary.
16617 (return_internal): Use pmode_register_operand.
16619 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16621 * 1750a.md (movstrqi): Add missing output reload constraint.
16622 (call_value): Likewise.
16623 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16624 (jmpfdec): Add missing inout reload constraint.
16625 * elxsi.md (addsi patterns): Add missing output reload constraint.
16626 (move from sp): Use @ alternates.
16627 (call_value): No constraint on output.
16628 * fr30.md (movsi_pop): Add missing output reload constraint.
16629 (movsf_constant_store): Likewise.
16630 (splits): Remove constraints.
16631 (subsi3): Add missing mode.
16632 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16633 (call_value): Likewise.
16634 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16635 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16636 * m32r.md (movsicc_internal): Add output reload constraint.
16637 (movstrsi_internal): Add inout reload constraints.
16638 * m88k.h (reg_names): Don't declare.
16639 (SPECIAL_MODE_PREDICATES): New.
16640 * m88k.md (*): Use register_operand not reg_or_0_operand
16642 * mn10200.h (PREDICATE_CODES): New.
16643 * ns32k.md (ffs pattern): Add output reload constraint.
16644 * pdp11.md (sob pattern): Add inout reload constraint.
16645 * sh.md (splits): Remove constraints.
16646 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16647 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16648 * vax.md (jgequ pattern): Add inout reload constraint.
16650 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16652 * configure.in (djgpp): Revert previous patch.
16653 * configure: Rebuit.
16654 * config/i386/djgpp.h: Revert previous patch.
16656 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16658 * fixinc/inclhack.def: Restore patch lost during last merge of
16659 "no_bogosity" branch.
16660 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16662 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16664 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16665 * fixinc/inclhack.def: Same.
16666 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16668 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16670 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16671 as the base of a PLUS.
16673 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16675 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16676 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16678 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16680 * pa.md (post_stw+1): Use pmode_register_operand.
16681 (dcacheflush, icacheflush): Likewise.
16683 * i386.md (movstricthi_1): Allow r/r.
16685 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16687 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16688 to (not (and (arg0) (arg1))). Similary for and.
16690 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16691 fallthrough to associate code.
16692 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16695 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16696 no bits in common; remove XOR to ROTATE conversion.
16698 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16700 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16702 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16704 * config/c4x/c4x.c (dst_operand): New.
16705 (PREDICATE_CODES): Update.
16706 * config/c4x/c4x.h (dst_operand): Declare it.
16707 * config/c4x/c4x.md: Define mode for each unspec usage.
16708 (move patterns): Use dst_operand predicate instead of src_operand.
16709 (movqi_update, movqf_update): Delete.
16711 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16713 * recog.c (pmode_register_operand): New.
16714 * recog.h: Declare it.
16715 * genrecog.c (pred_codes): Likewise.
16716 (special_mode_pred_table): Likewise.
16717 (validate_pattern): Don't warn no mode for address_operand.
16719 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16720 if the operand is not insn-like.
16722 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16723 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16725 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16727 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16729 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16730 instead of general_operand in a SET_DEST. Use const_double_operand
16731 instead of an explicit test against CONST_DOUBLE.
16732 (movsf_const_lo): Add missing register mode.
16733 (goto_handler_and_restore): Add auxiliary test for Pmode.
16734 (flush): Adjust to use address_operand.
16735 (return_sf_no_fpu): Add missing output constraint.
16737 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16739 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16740 for call return value.
16741 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16743 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16745 * toplev.c (main): Only warn about options for other languages.
16746 * collect2.c (main): Pass -w to sub-gcc.
16748 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16750 * flow.c (propagate_block): Add call-clobbered registers to
16753 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16754 zapping mem_set_list.
16755 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16756 (mark_set_1, mark_used_regs): Likewise.
16758 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16760 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16762 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16764 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16765 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16766 options. Also add a new item "C-only Warning Options" to the
16769 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16771 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16772 from multiple calls.
16774 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16776 * i386.md (call value patterns): Move to the end of the file.
16777 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16779 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16781 * configure.in (djgpp configuration): Define extra_objects..
16782 * configure: Rebuilt.
16783 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16784 (DTORS_SECTION_ASM_OP): Define.
16785 (INIT_SECTION_ASM_OP): Define.
16786 (FINI_SECTION_ASM_OP): Define.
16787 (DATA_SECTION_ASM_OP): Define.
16788 (TEXT_SECTION_ASM_OP): Define.
16789 (EH_FRAME_SECTION_ASM_OP): Define.
16790 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16791 (STARTFILE_SPEC): Add crtbegin.o.
16792 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16793 to here from LINK_COMMAND_SPEC.
16794 (DO_GLOBAL_CTORS_BODY): Define.
16795 (CRTSTUFF_USE_FINI_SECTION): Define
16796 (HAS_INIT_SECTION): Delete.
16798 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16800 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16802 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16804 * pa.h (PREDICATE_CODES): New.
16806 * genrecog.c (validate_pattern): Condense the destination
16807 non-lvalue message.
16809 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16811 * alpha.md (call-1): Supply missing mode for operator.
16812 (*): Add missing output reload constraints. Remove constraints
16813 from define_splits.
16815 * i386.h (SPECIAL_MODE_PREDICATES): New.
16816 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16817 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16818 (addsi_lea_3): Add missing mode for op 3.
16819 (prologue_set_got, prologue_get_pc): Add missing modes.
16820 (*) Add missing output reload constraints.
16822 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16824 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16825 check for member bit-size overflow and use var_size if it occurs.
16826 (layout_record): Use bitsize_int() to define the type size in bits.
16827 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16828 (layout_decl): Likewise when assigning to DECL_SIZE.
16830 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16832 * genrecog.c (validate_pattern): Typo last change. Verify
16833 that output operands have output reloads.
16835 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16837 * genrecog.c (special_mode_pred_table): New.
16838 (NUM_SPECIAL_MODE_PREDS): New.
16839 (find_operand): New.
16840 (validate_pattern): New argument `insn'. Warn for assignment to
16841 any predicate accepting non-lvalues. Conditionaly warn for
16842 match_operand without a mode. Try much harder to match source
16843 and destination modes on a set.
16844 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16846 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16848 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16850 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16852 * combine.c (simplify_logical): Recognize xor pattern that encodes
16855 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16857 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16860 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16862 * ggc-page.c (MAP_FAILED): Provide default.
16864 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16866 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16867 * sparc.h (PREDICATE_CODES): Update.
16869 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16871 * alpha.c (some_ni_operand): New.
16872 * alpha-protos.h: Declare it.
16873 * alpha.h (PREDICATE_CODES): Update.
16874 * alpha.md (sXaddq reload insns): Use some_ni_operand
16875 for SET_DEST instead of some_operand.
16877 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16878 Jim Wilson <wilson@cygnus.com>
16880 * genrecog.c (maybe_both_true_2): Don't compare modes of
16882 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16883 after find_afterward.
16884 (debug_decision_1): Dump next and afterward codes.
16886 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16888 * rtl.c (dump_and_abort): Remove.
16889 (fatal_with_file_and_line): New.
16890 (fatal_expected_char): New.
16891 (read_rtx_lineno, read_rtx_filename): New.
16892 (read_skip_spaces): Track line number.
16893 (read_name): Use fatal_with_file_and_line.
16894 (read_rtx): Use fatal_expected_char. Track line number.
16895 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16897 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16898 if it isn't a CODE_LABEL.
16900 * genattr.c (main): Set read_rtx_filename.
16901 * genattrtab.c (main): Likewise.
16902 * gencodes.c (main): Likewise.
16903 * genconfig.c (main): Likewise.
16904 * genemit.c (main): Likewise.
16905 * genextract.c (main): Likewise.
16906 * genflags.c (main): Likewise.
16907 * genopinit.c (main): Likewise.
16908 * genoutput.c (main): Likewise.
16909 * genpeep.c (main): Likewise.
16911 * genrecog.c (decision_test.u.insn): Add `lineno'.
16912 (pattern_lineno, error_count): New variables.
16913 (message_with_line): New.
16914 (add_to_sequence): Break out checking code to ...
16915 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16916 (merge_insn): Use message_with_line.
16917 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16918 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16920 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16922 * expr.c (store_constructor): Clear union if constructor is empty.
16924 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16926 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16927 Add !endian checks. Change %{...} to %(...).
16929 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16931 * i386.md (*addsi3_cc): Renamed from addcsi3.
16932 (*addsi3_carry): Renamed from addxsi3.
16933 (*subsi3_cc): Renamed from subcsi3.
16934 (*subsi3_carry): Renamed from subxsi3.
16935 (*xorqi_cc_1): Renamed from xorcqi_1.
16936 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16937 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16939 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16941 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16942 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16944 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16946 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
16947 climb up the chain of insns.
16949 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
16951 * genrecog.c (write_subroutine): Careful for null trees.
16952 (process_tree): Don't elide empty functions.
16954 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
16956 * Makefile.in (genrtl.o): Depend on ggc.h.
16957 * configure.in (valloc): Probe for it.
16958 (with-gc): Use ggc-page if valloc present.
16959 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
16960 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
16961 (ggc_alloc_string): Moved from ggc-page.c.
16962 * ggc-none.c (ggc_alloc_obj): New.
16963 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
16964 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
16965 (struct globals): Likewise for dev_zero_fd.
16966 (init_ggc): Likewise for it's initialization.
16967 (ggc_allocated_p): Move careful dereference from ...
16968 (ggc_lookup_page_table): ... here. Delete.
16969 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
16970 (alloc_anon): Use valloc if no mmap.
16971 (release_pages): Use free if using valloc.
16972 (ggc_alloc_obj): Renamed from alloc_obj.
16973 (ggc_set_mark): Renamed from mark_obj.
16974 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
16975 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
16976 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
16977 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
16978 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
16979 (ggc_collect): Use fp printing instead of our own rounding.
16980 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
16981 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
16982 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
16983 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
16984 (struct ggc_string, struct ggc_any): Delete.
16985 (offsetof): Provide default definition.
16986 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
16988 (struct ggc_mem): New, from corpse of ggc_any.
16989 (struct ggc_status): Delete.
16990 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
16991 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
16992 (n_strings_collected, n_anys_collected): Delete.
16993 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
16994 (ggc_alloc_string, ggc_alloc): Delete.
16995 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
16996 (ggc_free_string, ggc_free_any): Delete.
16997 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
16998 (ggc_compare_addresses, ggc_mark_string): Delete.
16999 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17000 (search_data): Delete.
17001 (struct globals): New.
17002 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17003 (tree_insert, tree_lookup): New.
17004 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17005 (clear_marks, sweep_objs): New.
17006 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17007 (init_ggc): Set allocated_last_gc.
17008 (ggc_push_context): Gut. Use G.context.
17009 (ggc_pop_context): Likewise.
17010 (ggc_pop_context_1): New.
17011 (debug_ggc_tree): New.
17012 (debug_ggc_balance, tally_leaves): New.
17013 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17014 (ggc_mark_string_if_gcable): Remove decl.
17015 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17016 (ggc_mark_rtvec_children): New.
17017 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17018 (ggc_mark_if_gcable): New decl.
17019 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17020 (ggc_alloc_tree, ggc_alloc): Likewise.
17021 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17022 (ggc_alloc_obj): New decl.
17023 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17024 (ggc_alloc_tree, ggc_alloc): Likewise.
17025 (ggc_set_mark): New decl.
17026 * rtl.h (struct rtx_def): Remove gc_mark.
17027 (struct rtvec_def): Likewise.
17028 * tree.h (struct tree_common): Likewise.
17030 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17032 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17033 float_format and thread_file definitions.
17034 * configure: Rebuilt.
17036 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17038 * extend.texi (Function Names): Document types of function names.
17040 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17042 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17043 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17045 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17047 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17049 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17051 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17053 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17055 * collect2.c (main): Do prelimnary link on AIX if rflag.
17057 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17059 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17060 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17062 (__do_global_dtors): similarly for __DTOR_LIST__.
17064 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17065 Diego Novillo <dnovillo@cygnus.com>
17067 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17070 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17072 * fixincl/*: Merged "no_bogosity" branch
17073 * fixincl/fixlib.h: protect against doubly defining t_bool
17074 * fixincl/server.h: protect against doubly defining t_bool
17076 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17078 * genoutput.c: Include toplev.h.
17080 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17082 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17084 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17085 * configure: Regenerate.
17087 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17089 * gcse.c (delete_null_pointer_checks): Returns void.
17091 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17093 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17094 * emit-rtl.c (copy_insn_1): Likewise.
17096 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17098 * config/mips/mips.c (mips_build_va_list): Correct
17099 TREE_CHAIN setting when hard-float.
17100 (mips_va_start): Use corrected setting.
17101 (mips_va_arg): Likewise. Also pass a tree to build of
17102 POSTINCREMENT_EXPR rather than a naked 'int'.
17104 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17106 * ggc.h (ggc_push_context): Fix comment.
17107 (ggc_pop_context): Likewise.
17108 (mark_string_if_gcable): Likewise.
17109 * ggc-common.c (ggc_mark_rtx_children): Use
17110 ggc_mark_string_if_gcable.
17111 * ggc-page.c (ggc_lookup_page_table): New function.
17112 (ggc_allocated_p): Likewise.
17113 (mark_obj): Fix formatting.
17114 (ggc_mark_string_if_gcable): New function.
17115 * ggc-simple.c (ggc_allocated_strings): New variable.
17116 (ggc_strings_used): Likewise.
17117 (ggc_compare_addresses): New function.
17118 (ggc_pop_context): Pop the `any' memory too.
17119 (ggc_mark_string_if_gcable): New function.
17120 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17122 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17124 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17125 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17126 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17129 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17131 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17132 (sched_reg_live_length, sched_reg_basic_block): Delete.
17133 (current_block_num, bb_live_regs, old_live_regs): Delete.
17134 (dead_notes, struct sometimes): Delete.
17135 (sched_note_set, birthing_insn_p): Delete.
17136 (adjust_priority): Gut useless reg lifetime code.
17137 (create_reg_dead_note, attach_deaths): Delete.
17138 (attach_deaths_insn, new_sometimes_live): Delete.
17139 (finish_sometimes_live): Delete.
17140 (find_pre_sched_live, find_post_sched_live): Delete.
17141 (update_reg_usage): Delete.
17142 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17143 (schedule_insns): Delete reg lifetime code.
17144 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17145 (unlink_other_notes): Adjust REG_NOTE commentary.
17146 (reemit_notes): Use REG_SAVE_NOTE.
17147 (schedule_block): Likewise.
17148 (schedule_region): Allocate bitmap of blocks in region. Use
17149 count_or_remove_death_notes. Use update_life_info.
17151 * rtl.h (REG_SAVE_NOTE): New.
17152 * rtl.c (reg_note_name): Update.
17154 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17156 * combine.c (refresh_blocks, need_refresh): New.
17157 (combine_instructions): Allocate refresh_blocks. Invoke
17158 update_life_info if needed.
17159 (distribute_notes): Mark refresh_blocks instead of installing
17161 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17162 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17164 * Makefile.in (recog.o): Depend on basic-block.h.
17166 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17168 * genrecog.c (add_to_sequence): Thinko last change: delete
17169 shadowing allow_const_int variable.
17171 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17173 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17174 __GNUC__ and __GNUC_MINOR__.
17176 * gansidecl.h: Likewise.
17182 * toplev.h: Likewise.
17184 * tree.c: Likewise.
17186 * tree.h: Likewise.
17188 * varray.c: Likewise.
17190 * varray.h: Likewise.
17192 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17194 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17195 use one before a jump table.
17197 * rtl.def (ADDRESS): Change documentation to match reality.
17198 * md.texi: Don't document it.
17199 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17202 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17204 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17206 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17207 known predicate block; default allow_const_int true.
17208 (debug_decision_list): New.
17210 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17212 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17214 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17216 * gcse.c (gcse_main): Avoid global optimizations if we have a
17217 large number of basic blocks and the ratio of edges to blocks
17219 (delete_null_pointer_checks): Likewise.
17221 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17223 * c-common.c (check_format_info): Warn if format string isn't a
17226 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17228 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17229 * configure: regenerate
17231 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17233 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17234 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17235 (peepholes): Re-enable.
17237 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17239 * Makefile.in (flow.o): Depend on TREE_H.
17240 * basic-block.h (REG_SET_EQUAL_P): New.
17241 (XOR_REG_SET): New.
17242 (n_edges): Declare.
17243 (free_regset_vector): Remove declaration.
17244 (flow_delete_insn_chain): Declare.
17245 (enum update_life_extent): New.
17246 (update_life_info, count_or_remove_death_notes): Declare.
17247 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17248 Verify register live at bb->global_live_at_start before adding USE.
17249 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17250 (CLEAN_ALLOCA): New.
17252 (PROP_*): New flags.
17253 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17254 (clear_edges): Zero n_edges.
17255 (make_edge): Increment n_edges.
17256 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17257 (flow_delete_insn_chain): Export.
17258 (delete_block): Decrement n_edges.
17259 (merge_blocks_nomove): Likewise.
17260 (life_analysis): Give life_analysis_1 PROP flags.
17261 (verify_wide_reg_1, verify_wide_reg): New.
17262 (verify_local_live_at_start): New.
17263 (update_life_info): Rewrite to call into propogate_block.
17265 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17266 always mark stack pointer. Conditionally mark PIC register.
17267 After reload, mark call-saved registers, return regsiters.
17268 (life_analysis_1): Accept PROP flags not remove_dead_code.
17269 Call mark_regs_live_at_end before zeroing regs_ever_live.
17270 Use calculate_global_regs_live. Copy global_live_at_end before
17271 calling final propagate_block. Zero reg_next_use on exit.
17272 (calculate_global_regs_live): New.
17273 (allocate_bb_life_data): Don't allocate bb->local_set.
17274 (init_regset_vector, free_regset_vector): Remove.
17275 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17276 Test flags before every operation. Warn if prologue/epilogue insn
17277 would have been deleted.
17278 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17279 Use alloc_EXPR_LIST.
17280 (mark_used_regs): Accept and use FLAGS, not FINAL.
17281 Remove special handling for RETURN.
17282 (try_pre_increment): Use alloc_EXPR_LIST.
17283 (dump_flow_info): Dump n_edges.
17284 (unlink_insn_chain, split_hard_reg_notes): Remove.
17285 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17286 (find_insn_with_note, new_insn_dead_notes): Remove.
17287 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17288 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17289 (replace_insns): Remove.
17290 (count_or_remove_death_notes): New.
17291 (verify_flow_info): Abort on error after all checks.
17292 (remove_edge): Decrement n_edges.
17293 (remove_fake_edges): Tweak format.
17294 * haifa-sched.c (schedule_insns): Use split_all_insns.
17295 * output.h (update_life_info): Remove declaration.
17296 * recog.c (split_all_insns): From the corpse of split_block_insns,
17297 do the whole function block by block. Use update_life_info.
17298 (recog_last_allowed_insn): New.
17299 (recog_next_insn): Mind it.
17300 (peephole2_optimize): Set it. Walk backwards through blocks.
17301 Use update_life_info.
17302 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17303 (split_all_insns): Declare.
17304 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17305 Use split_all_insns.
17307 * i386.md (or -1 peep2s): Disable.
17309 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17311 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17312 a single pattern. Scrap the 'd' versions as unnecessary.
17314 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17315 tablejump_mips162,tablejump_internal4): The operands to a
17316 label_ref must be VOIDmode.
17318 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17320 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17322 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17324 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17326 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17328 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17329 cache every function if ggc_p.
17331 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17333 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17334 instead of copy_rtx. Accept sequences that contain asm statements.
17335 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17336 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17337 orig_asm_operands_vector, copy_asm_operands_vector,
17338 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17340 * rtl.h (copy_insn, copy_insn_1): Declare.
17342 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17344 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17346 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17347 arguments to `current_file_function_operand'.
17349 * genrecog.c: Include hard-reg-set.h and resource.h in the
17350 generated output file.
17352 * real.c: Include tm_p.h.
17354 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17356 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17359 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17361 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17362 before the fctiwz insn.
17364 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17365 Mark Mitchell <mark@codesourcery.com>
17367 * tree.c (make_lang_type_fn): New funtion pointer.
17368 (make_lang_type): Call it.
17369 * tree.h (make_lang_type): Declare.
17370 (make_lang_type_fn): Likewise.
17371 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17373 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17375 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17376 make sure that HIGH instructions are copied into BASE_REGS.
17378 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17380 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17382 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17384 * c-decl.c (finish_struct): Use simpler method of
17385 removing elements of a singly-linked list.
17387 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17389 * alpha.md (peephole2's): Comment out peephole2's that generate
17392 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17394 * genrecog.c (add_to_sequence): Disable mode check for
17397 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17399 * ggc-simple.c (init_ggc): Set empty_string.
17401 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17403 * configure.in: Detect mmap. Add --with-gc=foo to select
17404 garbage collector; default to page if mmap available.
17405 * Makefile.in (GGC): Substitute.
17407 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17409 * c-decl.c (ggc_p): Enable.
17411 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17413 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17415 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17417 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17418 string for little-endian-data.
17420 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17422 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17423 case somebody tries to compile --enable-checking code with gcc
17426 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17428 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17431 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17433 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17434 * jump.c (jump_optimize_1): Document why.
17436 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17438 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17439 pointers and casts for `int_handler' and `quit_handler'.
17441 * flow.c (verify_flow_info, split_hard_reg_notes,
17442 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17443 remove_edge, remove_fake_successors): Add static prototypes.
17444 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17445 (mark_set_1): Initialize variable `regno'.
17446 (unlink_insn_chain): Likewise for variable `curr'.
17447 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17449 * loop.c (strength_reduce): Initialize variable
17450 `unrolled_insn_copies'.
17451 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17452 prototypes. Change these functions to take const PTR parameters
17453 to avoid prototype conflict when used as the comparson argument
17455 (check_dbra_loop): Initialize variable `comparison_val'.
17457 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17458 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17459 (find_valid_class): Initialize variable `best_class'.
17460 (find_reloads): Call memcpy, not bcopy.
17462 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17463 (hard_reg_use_compare): Don't needlessly cast away const.
17464 (reload_reg_class_lower): Likewise.
17465 (choose_reload_regs): Initialize variable `regno'.
17467 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17469 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17471 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17473 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17474 ({,d}discard): Add forward declarations. Declare parameter as
17476 (main_without_main): Explicitly declare return type to be int.
17477 (memcpy): Properly declare.
17479 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17480 building the trampoline support, declare malloc, free, and
17482 (__clear_cache): Mark arguments as potentially unused.
17484 * frame.c (toplevel): If inhibit_libc is defined, declare
17487 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17489 * flow.c (make_edge): Accept an optional 2D bitmap in which
17490 to cache edge existence. Update all callers.
17491 (make_label_edge, make_eh_edge): Pass through the edge cache.
17492 (make_edges): Provide the cache.
17494 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17496 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17498 (local_mbtowc): Change the type of variable `i' from int to size_t.
17500 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17501 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17503 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17505 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17506 after other includes that define the appropriate types. Include
17507 tm_p.h for getting user prototypes.
17508 * ggc-callbacks.c (toplevel): Ditto.
17509 * ggc-none.c (toplevel): Ditto.
17510 * gcc-page.c (toplevel): Ditto.
17511 * ggc-simple.c (toplevel): Ditto.
17513 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17514 Jonathan Larmour <jlarmour@cygnus.co.uk>
17516 * config/mips/mips.c (mips_move_2words): Split doubles if
17517 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17519 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17521 * genrecog.c (struct decision_test): New.
17522 (struct decision): Remove test-related members, sort the rest by size.
17523 (IS_SPLIT): Simplify.
17524 (new_decision, new_decision_test): New.
17525 (add_to_sequence): Use them. No special handling for args of
17527 (maybe_both_true): Renamed from not_both_true; return sense changed.
17528 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17529 of maybe_both_true and adjusted for decision_test.
17530 (position_merit): Remove.
17531 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17532 (merge_accept_insn): New, broken out of merge_trees.
17533 (merge_trees): Use them. No special case for c_test; no node
17534 splitting; use test type instead of position_merit.
17535 (factor_tests): New.
17536 (simplify_tests): New.
17537 (break_out_subroutines): Don't write code now.
17538 (find_afterward): New.
17539 (write_afterward, write_switch, write_cond): New.
17540 (write_action, is_unconditional): New.
17541 (write_node): New. Use them.
17542 (write_tree_1): Rewrite. Use the new functions above.
17543 (write_tree): Remove afterward processing.
17544 (write_subroutine): Simplify function variant emission.
17545 (write_subroutines): New.
17546 (same_codes, clear_codes): Remove.
17547 (same_modes, clear_modes): Remove.
17548 (write_header): New, broken out of main.
17549 (make_insn_sequence): Use new_decision and new_decision_test.
17550 (process_tree): New, broken out of main.
17551 (main): Adjust for merge_trees interface change.
17552 Don't #define operands in the output file.
17553 (record_insn_name): New, broken out of make_insn_sequence.
17554 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17555 (debug_decision): New.
17557 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17559 * resource.c (find_free_register): Mark class_str argument const.
17560 * resource.h: Update prototype to match.
17562 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17563 * i386.md: Give all anonymous insns names.
17565 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17567 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17570 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17572 * toplev.c (dbr_sched_time): Unconditional.
17573 (peephole2_time): New.
17574 (compile_file): Add pass numbers to all of the dump file suffixes.
17575 Dump peephole2_time. Don't dump times for non-applicable passes.
17576 (rest_of_compilation): Add pass numbers to dump file suffixes.
17577 Conditionalize calls to the scheduler.
17578 * invoke.texi: Update.
17580 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17582 * flow.c (make_edges): Fix insn iteration.
17583 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17584 (find_basic_blocks_1): Fix spelling mistake.
17586 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17588 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17589 always have side-effects. Use memset not bzero.
17590 (make_node): Likewise.
17592 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17594 * stmt.c (expand_anon_union_decl): When any of the elements of the
17595 union is addressable, so is the entire union.
17597 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17599 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17601 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17602 * bitmap.c (bitmap_operation): Return true iff TO changed.
17603 (bitmap_equal_p): New.
17604 (bitmap_bit_p): Tidy arithmetic.
17605 (debug_bitmap_file): Likewise.
17607 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17609 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17610 before cse2 instead of after.
17612 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17614 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17617 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17619 * cppinit.c (is_idchar initializer): Loosen tests to accept
17622 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17624 * mips.md: Define conditional move patterns for floating point
17625 operands and DI mode conditions.
17627 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17629 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17630 always have side-effects.
17632 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17634 * mn10200.c (asm_file_start): Fix typo.
17636 * cppinit.c (is_idchar initializer): Tighten tests for when
17637 to put the table into initialized memory.
17639 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17640 not an array of rtunion.
17641 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17642 * gcc-simple (ggc_free_rtvec): Similarly.
17644 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17647 * mbchar.h: Add missing #endif.
17649 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17650 (FPBIT, DPBIT): Define.
17652 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17654 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17656 * profile.c (instrument_arcs, output_gcov_string,
17657 tablejump_entry_p): Add static prototypes.
17658 (output_gcov_string): Constify a char*.
17660 * regmove.c (replacement_quality, fixup_match_2): Add static
17663 * resource.h (reg_dead_p): Add extern prototype.
17665 * rtl.c (trim_filename): Add static prototype.
17667 * scan-decls.c (skip_to_closing_brace): Likewise.
17669 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17670 (expand_end_case): Initialize variable `range'.
17671 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17673 * varasm.c (asm_emit_uninitialised): Add static prototype.
17674 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17677 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17679 * cpplib.c (if_directive_nameo): Add static prototype.
17681 * cse.c (cse_insn): Remove unused variable `p'.
17683 * except.c (create_rethrow_ref, push_entry,
17684 receive_exception_label, new_eh_region_entry, find_func_region,
17685 clear_function_eh_region, process_nestinfo): Add static prototypes.
17686 (get_reg_for_handler): Hide definition.
17687 (process_nestinfo): Initialize variable `extra_handlers'.
17689 * expr.h (expand_builtin_longjmp): Add extern prototype.
17691 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17693 * function.c (prepare_function_start): Likewise.
17694 (pop_function_context_from): Mark parameter `context' with
17696 (push_temp_slots_for_block, flush_addressof): Hide definition.
17698 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17699 solve_program_flow_graph, calculate_branch_probs,
17700 function_summary, main, fancy_abort): Add prototypes.
17702 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17703 (add_hash): Constify a char*.
17705 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17706 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17707 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17709 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17711 * lists.c (free_list, zap_lists): Likewise.
17713 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17715 * alias.c (nonlocal_reference_p): Add static prototype.
17717 * bitmap.c (bitmap_element_allocate): Prototype args in function
17720 * builtins.c (stabilize_va_list): Add static prototype.
17721 (expand_builtin_va_arg): Constify a char*.
17723 * c-lex.c (getch, put_back, extend_token_buffer_to,
17724 read_line_number, token_getch, token_put_back): Add static
17727 * c-parse.gperf (hash, is_reserved_word): Likewise.
17729 * cccp.c (is_dir_separator): Likewise.
17731 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17733 * graph.h: New file to prototype functions exported by graph.c.
17735 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17737 * graph.c: Include graph.h.
17739 * toplev.c: Likewise. Remove redundant prototypes.
17741 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17743 * invoke.texi: Removed duplicated description for -Q.
17745 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17747 * extend.texi: Grammar fix in __extension__ text.
17749 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17751 * md.texi (define_peephole2): New section.
17753 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17755 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17756 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17759 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17761 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17763 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17765 * i386.md (ffs expander): Emit Pentium friendly code for
17768 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17770 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17772 (build1): Likewise.
17774 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17776 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17778 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17780 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17781 register is in use.
17783 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17785 * md.texi (No Constraints): Delete section.
17786 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17787 * final.c (final_scan_insn): We always have register constraints.
17788 * genattrtab.c: Don't include "insn-config.h".
17789 (write_attr_case): We always have register constraints.
17790 * genconfig.c (register_constraint_flag): Delete.
17791 (walk_insn_part): Don't check whether we have register constraints.
17792 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17793 * genoutput.c (have_constraints): Delete.
17794 (main): Don't set it.
17795 (output_operand_data): We always have constraints.
17796 (scan_operands): Likewise.
17797 (compare_operands): Likewise.
17798 * local-alloc.c (block_alloc): We always have constraints.
17799 (requires_inout): Always compile this function.
17800 * recog.c (extract_insn): We always have constraints.
17801 (constrain_operands, reg_fits_class_p): Always compile these
17803 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17805 (struct insn_operand_data): Likewise.
17806 * regclass.c (regclass): We always have constraints.
17807 (record_reg_classes, copy_cost, record_address_regs,
17808 auto_inc_dec_reg_p): Always compile these functions.
17809 * regmove.c (regmove_optimize): We always have constraints.
17810 * reload.c (find_reloads): Likewise.
17811 * reload1.c (reload): Likewise.
17812 (reload_cse_simplify_operands): Likewise.
17813 * i860.c (output_delay_insn): Likewise.
17815 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17817 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17819 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17821 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17822 for the va_list record.
17824 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17826 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17829 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17831 * alias.c: Include insn-flags.h.
17832 * Makefile.in (alias.o): Update.
17834 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17836 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17837 to LTU and GEU. Handle more cases using sbb.
17839 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17841 * i386.md (truncatexfdf splitters): Do not use subreg.
17842 (fop XFmode patterns): Fix mode in operand testing.
17844 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17846 * jump.c (jump_optimize_1): Amend last change to test only the
17847 form of the operand, not the insn.
17849 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17850 not register_operand to determine when B may need preloading.
17852 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17854 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17855 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17856 (call-value patterns): Move to end of file.
17857 (*): Remove mode from label_ref in (pc) context.
17858 (movstrqi): Use memory not general_operand for BLKmode operands.
17859 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17860 to register_operand operands.
17861 (peep2 patterns): Convert from commented-out peephole patterns.
17863 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17865 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17866 to BUILT_IN_INIT_DWARF_REG_SIZES.
17867 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17868 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17869 expand_builtin_init_dwarf_reg_sizes.
17870 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17871 with __builtin_init_dwarf_reg_size_table.
17872 * dwarf2out.c (struct reg_size_range): Delete.
17873 (expand_builtin_init_dwarf_reg_sizes): New function.
17874 (expand_builtin_dwarf_reg_size): Delete.
17875 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17876 (expand_builtin_dwarf_reg_size): Don't declare.
17877 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17878 (dwarf_reg_size_table): New.
17879 (init_reg_size_table): New function.
17880 (copy_reg): Use dwarf_reg_size_table.
17881 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17884 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17886 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17887 Correctly build argument list to constructor and destructor functions.
17889 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17891 * c-tree.h (warn_float_equal): Declare.
17892 * c-decl.c (warn_float_equal): Define.
17893 (c_decode_option): Recognize -W[no-]float-equal.
17894 * c-typeck.c (build_binary_op): Conditionally warn
17895 about equality tests of floating point types.
17896 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17897 * invoke.texi: Add docs for -Wfloat-equal warning.
17899 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17901 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17902 generating RTL directly.
17903 * mips.h (INIT_TARGET_OPTABS): Likewise.
17904 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17906 * expr.h (init_mov_optab): Delete declaration
17908 * h8300.c (WORD_REG_USED): Update to avoid useless register
17909 saves in interrupt functions and functions which never return.
17911 * cse.c (struct set): Delete inner_dest_loc field.
17912 (cse_insn): Remove assignments to inner_dest_loc field.
17914 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17916 * ggc-page.c: Don't include <unistd.h> etc taken care of
17917 by "system.h". Include <sys/mman.h> afterward.
17919 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17921 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17924 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17926 * xcoffout.c (xcoffout_declare_function): Add documentation.
17927 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17928 TARGET_64BIT. Compare constant to -1, not bit pattern.
17929 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17930 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17933 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17935 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17936 origin_die is NULL.
17937 (gen_inlined_enumeration_type_die): Do not abort if the type has
17938 not been writeen out.
17939 (gen_inlined_structure_type_die): Do not abort if the type has
17940 not been writeen out.
17941 (gen_inlined_union_type_die): Do not abort if the type has
17942 not been writeen out.
17943 (gen_tagged_type_instantiation_die): Do not abort if the type
17944 has not been written out.
17946 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17948 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
17950 * reg-stack.c (straighten_stack): Copy hard reg set with
17953 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
17955 * builtins.c (stabilize_va_list): Stabilize array type va_list
17956 to a pointer type, not the base record type.
17957 (expand_builtin_va_copy): Dereference the pointers explicitly;
17958 use the correct size for the copy.
17960 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
17961 (rs6000_va_arg): Likewise.
17963 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
17965 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
17967 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
17969 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
17971 (DECL_BUILT_IN_CLASS): Adjust accordingly.
17973 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
17975 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
17976 (init_ggc): Use it instead of a constant.
17977 (ggc_collect): Bound allocated_last_gc by it.
17979 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
17981 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
17984 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
17986 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
17987 (mips*-*-openbsd*): Let big endian configuration be a fragment.
17988 * configure: Regen.
17989 * config/mips/openbsd.h: New, OpenBSD little endian target.
17990 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
17991 * config/mips/xm-openbsd.h: New, OpenBSD host.
17993 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
17995 * config/m68k/m68k.c (output_function_prologue,
17996 output_function_epilogue): Use
17997 current_function_uses_pic_offset_table instead of regs_ever_live
17998 to decide whether to save/restore pic register.
17999 (legitimize_pic_address): Don't modify regs_ever_live any more.
18001 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18003 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18004 * stor-layout.c (variable_size): Don't add sizes to the pending
18005 sizes list if x_dont_save_pending_sizes_p is set.
18007 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18009 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18010 for symbolic_operand().
18011 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18013 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18015 * combine.c (gen_rtx_combine): Add missing call to va_end().
18017 * final.c (asm_fprintf): Likewise.
18019 * genattrtab.c (attr_rtx): Likewise.
18021 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18023 * cse.c: Update comments.
18024 (cse_insn): When converting a conditional/computed jump into
18025 an unconditional jump, always make sure a BARRIER immediately
18026 follows the converted jump. Do not delete unreachable code.
18027 (cse_basic_block): Do not delete unreachable code.
18028 * toplev.c (rest_of_compilation): Move call to
18029 delete_trivially_dead_insns after the conditional call to
18032 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18034 * collect2.c (make_temp_file): Don't prototype.
18036 * gcc.c (make_temp_file): Likewise.
18038 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18040 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18042 * varasm.c (asm_emit_uninitialised): New function: Generate
18043 the assembler statements necessary to declare an uninitialised
18045 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18047 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18048 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18050 (assemble_variable): Use asm_emit_uninitialised to emit an
18051 uninitialised variable.
18053 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18055 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18056 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18057 <geoffk@cygnus.com>.
18059 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18061 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18062 * c-common.h (builtin_function): Don't declare.
18064 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18066 (pushdecl): Likewise.
18067 (finish_decl): Likewise.
18068 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18069 int. All callers changed.
18070 Set the builtin's DECL_BUILT_IN_CLASS.
18071 * tree.h (enum built_in_class): New.
18072 (enum built_in_function): Delete NOT_BUILT_IN.
18073 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18075 (DECL_SET_FUNCTION_CODE): Likewise.
18076 (DECL_BUILT_IN_CLASS): New macro.
18077 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18078 (struct tree_decl): Split builtin function code field into a
18080 (builtin_function): Declare.
18082 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18084 * optabs.c (init_traps): Fix typo in last change.
18086 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18088 * toplev.c (rest_of_decl_compilation): Update comment.
18090 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18092 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18093 in .sbss if appropriate.
18094 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18095 (SBSS_SECTION_ASM_OP): New macro.
18096 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18097 (EXTRA_SECTIONS): Add in_sbss.
18098 * config/mips/mips.h: Prototype sbss_section.
18100 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18102 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18105 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18107 * optabs.c (init_traps): Register trap_rtx as a GC root.
18109 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18111 * config/mips/mips.c (function_arg_pass_by_reference): Define
18112 unconditionally, since it's called unconditionally.
18114 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18116 * toplev.c (documented_lang_options): Add -fshort-wchar.
18117 * c-decl.c (c_decode_option): Likewise.
18118 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18120 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18121 * gcc.c (default_compilers): If -fshort-wchar,
18122 override __WCHAR_TYPE__.
18123 * tm.texi (C Dialect Options): Add -fshort-wchar.
18125 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18126 symbol for a variable.
18128 * cpplib.h (CPP_PREPROCESSED): New macro.
18129 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18130 we're seeing this input for a second time.
18132 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18134 * emit-rtl.c (init_emit_once): Initialize modes first.
18136 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18138 * config/i386/i386.c (pic_label_name): Change to char pointer.
18139 (global_offset_table): New variable.
18140 (load_pic_register): Fill global_offset_table if it hasn't
18141 already been done. Allocate pic_label_name dynamically.
18142 * ggc.h (empty_string): New variable.
18143 * ggc-simple.c (empty_string): Likewise.
18144 (init_ggc): Allocate empty_string and add as root.
18145 * stmt.c (digit_strings): New variable.
18146 (init_stmt): Add last_block_end_note as root. Allocate and
18147 initialize digit_strings.
18148 (expand_asm_operands): Use empty_string instead of string
18149 constant. Use digit_strings instead of string constants.
18150 * profile.c (init_arc_profiler): Allocate string with
18151 ggc_alloc_string instead of xmalloc.
18152 (output_func_start_profiler): Likewise.
18153 * c-typeck.c (digest_init): Check if init is error_mark_node.
18155 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18156 Richard Henderson <rth@cygnus.com>
18158 * ggc-page.c: New file.
18159 * Makefile.in (ggc-page.o): New.
18161 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18163 * invoke.texi: Document -fdelete-null-pointer-checks
18164 * toplev.c (flag_delete_null_pointer_checks): New.
18165 (f_options): Add entry for -fdelete-null-pointer-checks.
18166 (rest_of_compilation): Conditionalize null pointer check
18167 elimination on flag_delete_null_pointer_checks.
18168 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18170 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18172 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18173 copyright notice and special exception to GPL.
18175 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18177 * abi64.h (mips_function_value): Add prototype arguments.
18179 * mips-protos.h: New file with mips prototypes.
18181 * mips.c: Include "tm_p.h".
18182 (mktemp, lookup_name): Add prototype arguments.
18183 (extern_list, string_constant, mips_fill_delay_slot,
18184 mips_output_external, mips_output_external_libcall,
18185 mips_output_filename, mips_declare_object, function_prologue,
18186 mips_expand_prologue, function_epilogue, mips16_constant,
18187 build_mips16_function_stub, mips_output_conditional_branch):
18189 (mips_va_start): Remove unused variable `u'.
18190 (mips_va_arg): Cast value to unsigned when comparing against one.
18192 (save_restore_insns, mips_expand_prologue): Add missing arg in
18193 call to `large_int'.
18195 * mips.h: Move prototypes to mips-protos.h.
18196 (data_section, memory_address_p, rdata_section,
18197 readonly_data_section, simple_epilogue_p, text_section): Delete
18198 prototypes delcared elsewhere.
18199 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18201 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18203 * mips.md: Delete extra args in call to `mips_move_2words'.
18205 * xm-iris6.h (alloca): Add prototype argument.
18207 * genpeep.c: Include "tm_p.h" in generated output file.
18209 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18211 * basic-block.h (find_edge_index): Change parameters.
18212 * flow.c (verify_edge_list): Pass basic_block parameters to
18213 find_edge_index instead of integers.
18215 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18217 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18220 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18222 * gcc.1: Fix a formatting error.
18224 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18226 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18227 i786, mn10200, mn10300, pdp11, v850.
18229 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18231 * libgcc2.c (num_digits): Add prototype with
18232 __attribute__((const)).
18233 (__terminate): Add prototype.
18235 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18237 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18239 * alpha/alpha.c (print_operand): Fix type of `code'.
18240 (alpha_output_filename): Constify.
18241 * alpha/alpha.h: Move all function declarations ...
18242 * alpha/alpha-protos.h: ... here. New file.
18243 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18244 (SECTION_FUNCTION_TEMPLATE): Likewise.
18246 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18248 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18249 * expr.c (expand_expr): Likewise.
18250 (do_jump): Likewise.
18251 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18252 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18254 (enum can_compare_purpose): New.
18255 (can_compare_p): Adjust prototype.
18256 (prepare_cmp_insn, prepare_operand): Declare.
18257 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18258 * optabs.c (cmp_available_p): Deleted.
18259 (expand_abs): Pass ccp_jump to can_compare_p.
18260 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18261 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18262 Call can_compare_p rather than cmp_available_p.
18263 (prepare_operand): No longer static.
18264 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18265 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18266 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18267 sequence to use emit_cmp_and_jump_insns.
18268 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18270 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18272 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18273 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18274 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18275 (plus (reg) (const_int 0))
18276 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18278 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18280 * rs6000.c (expand_block_move): DImode loads and stores require
18281 word-aligned displacements. Increment address registers with
18282 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18284 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18286 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18287 is no name for the base type, rather than segfault. If we are
18288 writing out a complex integer type, use DW_ATE_lo_user.
18290 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18291 in one word or less (complex char, complex short, or on 64 bit
18292 systems complex float) to/from a hard register, copy it through
18293 memory instead of dying in gen_{real,imag}part. If we have a
18294 short complex type, prevent inlining since it allocates stack
18297 * tree.c (build_complex_type): If we are writing dwarf2 output,
18298 generate a name for complex integer types.
18300 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18302 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18303 * flow.c (remove_edge): Remove extra whitespace.
18304 (remove_fake_edges): Fix comment.
18305 (add_noreturn_fake_exit_edges): Use the correct name.
18307 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18309 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18310 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18311 (clean): Depend on INTL_CLEAN.
18312 (maintainer-clean): Adjust.
18314 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18316 * configure.in (AC_PREREQ): Bump to 2.13.
18317 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18319 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18321 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18323 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18325 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18326 (HAVE_STRINGIZE): Define.
18328 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18330 * c-parse.in: save and restore warn_pointer_arith on __extension__
18331 along with pedantic.
18332 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18333 Set the type of extension to itype rather than $<itype>1 kludge.
18334 * extend.texi (Alternate Keywords): Adjust documentation.
18335 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18337 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18339 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18340 most assembler templates.
18342 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18343 FP loads and stores.
18344 (following_call): Always return zero for the PA8000.
18345 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18346 FP loads and stores.
18347 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18349 * pa.h (BRANCH_COST): Define.
18351 * pa.md (return, return_internal): Use bve for PA2.0.
18353 * pa.md (fused multiply): Add variants which reduce height for the
18354 fused multiply, but which still generate 2 insns.
18355 (fnegabs): Similarly.
18357 * pa.md (subsi3): Turn into an expander. Create two anonymous
18358 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18359 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18361 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18363 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18365 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18366 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18368 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18371 * flow.c (record_active_eh_regions): Terminate loop after finding
18372 the last insn in the last basic block.
18374 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18376 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18378 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18380 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18382 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18384 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18385 splitting to not use output template.
18387 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18389 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18390 * config/c4x/c4x.c (c4x_va_start): New function.
18392 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18394 * genrecog.c (not_both_true): Handle correctly cases when called for
18395 tests with different positions in the insn.
18397 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18399 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18401 * system.h (HOST_PTR_PRINTF): ... to here.
18403 * mips-tfile.c: Don't include machmode.h.
18405 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18406 (mips-tfile.o): Don't depend on machmode.h.
18408 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18410 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18411 avoid conflicts with typedef struct `region' at the top level scope.
18413 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18415 * basic-block.h (basic_block): Add eh_beg, eh_end.
18416 * flow.c (entry_exit_blocks): Update.
18417 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18418 Call new functions.
18419 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18420 lists.c functions to allocate insn lists.
18421 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18423 (make_eh_edge): ... here. New.
18424 (move_stray_eh_region_notes): New.
18425 (record_active_eh_regions): New.
18426 (delete_unreachable_blocks): Split out block merging ...
18427 (try_merge_blocks): ... here. New.
18428 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18429 Dump debugging data.
18430 (merge_blocks_move_successor_nojumps): Likewise.
18431 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18433 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18435 * extend.texi (Bound member functions): Document unbound pmf
18438 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18440 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18441 has the EXIT_BLOCK as a dest.
18443 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18445 * flow.c (remove_edge): New function to remove an edge from the
18447 (remove_fake_successors): New function to remove fake successor edges.
18448 (remove_fake_edges): New function to remove all fake edges from the
18450 (add_fake_exit_edges): New function to add fake edges from all blocks
18451 with no successors to the exit block.
18452 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18453 prototypes for new functions.
18455 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18457 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18458 Use Pmode to determine whether to output .dword or .word.
18460 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18462 * tree.c (built_in_filename): New variable.
18463 (BUILT_IN_FILENAME): New macro.
18464 (init_tree_codes): Allocate built_in_filename.
18465 (make_node): Use built_in_filename instead of string constant.
18467 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18469 * configure.in: Add fr30 target.
18470 * configure: Regenerate.
18471 * config/fr30: New directory.
18472 * config/fr30/crti.asm: New file.
18473 * config/fr30/fr30.c: New file.
18474 * config/fr30/crtn.asm: New file.
18475 * config/fr30/fr30.h: New file.
18476 * config/fr30/fr30.md: New file.
18477 * config/fr30/lib1funcs.asm: New file.
18478 * config/fr30/t-fr30: New file.
18479 * config/fr30/xm-fr30.h: New file.
18481 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18483 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18484 BARRIER at the end of the successor, not the BARRIER before
18487 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18489 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18491 * stmt.c (any_pending_cleanups): Don't crash when
18492 current_function->stmt is unset.
18494 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18496 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18497 other initializations that may use it for relative offsets.
18499 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18501 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18502 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18503 * config/i386/sol2dbg.h: Removed.
18504 * config/i386/sol2gas.h: New file, to enable gas work-around.
18505 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18506 Don't use sol2dbg.h.
18507 * configure: Rebuilt.
18509 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18511 * invoke.texi (-fthis-is-variable): Remove documentation.
18513 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18515 * basic-block.h (compute_bb_for_insn): Declare.
18516 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18517 to use; set size of basic_block_for_insn directly.
18518 (find_basic_blocks): Update.
18520 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18522 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18524 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18526 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18527 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18529 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18531 * c-decl.c (c_decode_option): Extend comment.
18533 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18535 * toplev.c (progname): Make 'const char *'
18536 (flag_print_mem): Move out of main.
18537 (version_flag): Move out of main.
18538 (filename): Move out of main.
18539 (debug_args): Remove g prefix from options.
18540 (documented_lang_options): Remove cpplib specific options.
18541 (display_help): Add g prefix to debug options.
18542 (check_lang_option): Delete this function.
18543 (decode_d_option): New function: Decode -d... option.
18544 (decode_f_option): New function: Decode -f... option.
18545 (decode_W_option): New function: Decode -W... option.
18546 (decode_g_option): New function: Decode -g... option.
18547 (independent_decode_option): New function: Decode a language
18548 independent command line option.
18549 (main): Invoke lang_decode_option and then
18550 independent_decode_option on each command line option in
18553 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18555 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18556 * fold-const.c (fold_range_test): Do not try to fold the range
18557 test if the rhs or lhs has side effects.
18559 * basic-block.h (compute_flow_dominators): Declare.
18561 * gcse.c (alloc_code_hoist_mem): New function.
18562 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18563 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18564 (hoist_code, one_code_hoisting_pass): Likewise.
18565 (gcse_main): If optimizing for size, then hoist expressions
18566 computed in multiple dominated basic blocks.
18568 * gcse.c (invalid_nonnull_info): New function.
18569 (delete_null_pointer_checks): Likewise.
18570 * rtl.h (delete_null_pointer_checks): Declare.
18571 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18573 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18574 (merge-blocks_move_successor_nojumps): Likewise.
18575 (merge_blocks): Allow merging of some blocks, even if it requires
18576 physical movement of the blocks, but not if it requires new jumps.
18578 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18579 Callers and prototype changed.
18580 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18582 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18584 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18585 -YP when both -p and -pg are present. From i386/sol2.h.
18587 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18589 * Makefile.in (distclean): Delete tm_p.h.
18590 * configure.in: Create a new file, "tm_p.h", from a list in
18591 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18592 "i386/i386-protos.h".
18594 * alias.c: Include "tm_p.h".
18595 * c-typeck.c: Likewise.
18596 * calls.c: Likewise.
18598 * emit-rtl.c: Likewise.
18599 * explow.c: Likewise.
18600 * expmed.c: Likewise.
18601 * expr.c: Likewise.
18602 * final.c: Likewise.
18603 * flow.c: Likewise.
18604 * fold-const.c: Likewise.
18605 * function.c: Likewise.
18606 * gcse.c: Likewise.
18607 * global.c: Likewise.
18608 * haifa-sched.c: Likewise.
18609 * integrate.c: Likewise.
18610 * jump.c: Likewise.
18611 * local-alloc.c: Likewise.
18612 * loop.c: Likewise.
18613 * optabs.c: Likewise.
18614 * recog.c: Likewise.
18615 * reg-stack.c: Likewise.
18616 * regclass.c: Likewise.
18617 * regmove.c: Likewise.
18618 * reload.c: Likewise.
18619 * reload1.c: Likewise.
18620 * reorg.c: Likewise.
18621 * resource.c: Likewise.
18622 * stmt.c: Likewise.
18623 * stor-layout.c: Likewise.
18624 * toplev.c: Likewise.
18625 * tree.c: Likewise.
18626 * unroll.c: Likewise.
18627 * genattrtab.c (main): Make generated file include "tm_p.h".
18628 * genemit.c (main): Likewise.
18629 * genoutput.c (main): Likewise.
18630 * genrecog.c (main): Likewise.
18632 * i386.h: Delete all prototypes.
18633 * i386.c: Include "tm_p.h".
18634 (ix86_attr_length_default): Call constant_call_address_operand
18635 with correct number of arguments.
18636 * i386-protos.h: New file.
18637 * i386.md (unnamed patterns): Call constant_call_address_operand
18638 with correct number of arguments.
18639 (exception_receiver): Call load_pic_register with correct number
18642 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18644 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18646 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18648 * rtl.h (insns_safe_to_move_p): New function.
18649 * loop.c (find_and_verify_loops): Use it.
18650 * rtlanal.c (insns_safe_to_move_p): Define it.
18652 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18654 * c-pragma.c: Include ggc.h.
18655 * Makefile.in (c-pragma.o): Update.
18657 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18659 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18660 (LIB_SPEC): Likewise.
18661 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18662 Reindent -YP/-p/-pg.
18663 Copied from config/sparc/sol2.h.
18665 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18667 * c-pragma.c (mark_align_stack): New.
18668 (init_pragma): New.
18669 * c-pragma.h (init_pragma): Declare it.
18670 * c-lex.c (init_parse): Call it.
18672 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18674 * configure.in: Pick up thread library on Solaris/x86 just
18675 like on Solaris/sparc.
18676 * configure: Rebuilt.
18678 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18680 * rtl.h (global_rtx_index): New enum.
18681 (global_rtl): Change to array of rtx.
18682 (pc_rtx, cc0_rtx): Redefine accordingly.
18683 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18684 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18685 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18686 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18687 (const_int_rtx): Change to array of rtx.
18688 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18690 * emit-rtl.c (global_rtl): Change to array of rtx.
18691 (const_int_rtx): Change to aray of rtx.
18692 (gen_rtx_CONST_INT): Redefine accordingly.
18693 (init_emit_once): Allocate and initialize global_rtl. Likewise
18694 for const_int_rtx. Add both as GC roots.
18695 * genattrtab.c (global_rtl): Update declaration.
18697 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18699 * Makefile (USER_H): Add iso646.h back.
18701 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18703 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18704 zapping the LOG_LINKS of sched_before_next_call.
18706 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18707 * pa.c (insn_refs_are_delayed): Renamed from
18708 insn_sets_and_refs_are_delayed.
18710 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18712 * functiion.h (struct function): Add x_whole_function_mode_p.
18713 (retrofit_block): Declare.
18714 * function.c (retrofit_block): New function.
18715 (identify_blocks): Add assertions. Allow an incomplete set of
18716 block notes if we're still generating code for the function.
18717 * integrate.c: Include loop.h.
18718 (expand_inline_function): Call find_loop_tree_blocks to map block
18719 notes to blocks when in whole-function mode. Use retrofit_block
18720 to insert new BLOCKs for the inlined function, rather than
18722 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18723 * Makefile.in (integrate.o): Depend on loop.h.
18725 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18727 * tree.h (warn_about_unused_variables): Declare.
18728 * stmt.c (warn_about_unused_variables): New function, split out
18730 (expand_end_bindings): Here.
18732 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18734 * stmt.c (preserve_subexpressions_p): Don't crash when
18735 current_function->stmt is unset.
18737 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18739 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18740 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18741 (expand_start_target_temps): Use it.
18742 * except.c (expand_eh_region_start_for_decl): Likewise.
18743 * expr.c (expand_expr): Likewise.
18745 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18747 * fold-const.c (operand_equal_p): Pay attention to side effects.
18749 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18751 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18752 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18754 * tlink.c (scan_linker_output): Look for keywords before accepting
18755 a mangled name in quotes.
18757 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18759 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18760 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18762 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18764 * alpha.md: Revert Thu Nov 26 change that came in through the
18765 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18766 Avoid earlyclobber when possible.
18768 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18770 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18772 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18773 Define HAVE_ON_EXIT.
18775 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18777 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18778 CTYPE_CONV in all ctype macros.
18780 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18783 * cexp.y (initialize_random_junk): Likewise.
18785 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18787 * i370.c (handle_pragma): Likewise.
18789 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18791 * v850.c (override_options): Likewise.
18793 * doprint.c (_doprnt): Likewise.
18795 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18798 * fixinc/server.c (load_data): Likewise.
18800 * fold-const.c (real_hex_to_f): Likewise.
18802 * genattr.c (write_upcase, gen_attr): Likewise.
18804 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18805 write_upcase): Likewise.
18807 * genemit.c (print_code): Likewise.
18809 * genopinit.c (gen_insn): Likewise.
18811 * genpeep.c (print_code): Likewise.
18813 * genrecog.c (print_code): Likewise.
18815 * optabs.c (init_libfuncs): Likewise.
18817 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18819 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18821 (reemit_notes): Likewise.
18823 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18825 * ggc.h (ggc_root): Move to ggc-common.c.
18827 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18828 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18829 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18830 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18831 * ggc-common.c (ggc_root): Move from ggc.h.
18832 (roots): Declare, static.
18833 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18834 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18835 null or check/set mark bit.
18836 (ggc_mark_roots): New.
18837 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18839 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18841 * m32r.c: Include toplev.h.
18842 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18843 (gen_compare): Rename swap_p to must_swap to match uses.
18844 Add default abort case.
18845 (m32r_output_function_epilogue): Remove unused variables.
18846 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18847 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18848 define to empty parameter list. Update all uses.
18849 (predicate decls): Use enum machine_mode not int.
18850 * m32r.md (movsi): Call abort, not fatal_insn.
18851 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18853 1999-09-14 Andrew Haley <aph@cygnus.com>
18855 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18856 use $0 instead of 0.
18858 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18860 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18861 computation out of loop over hard regs.
18863 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18865 * function.c (identify_blocks): Don't shadow a variable in an
18867 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18868 pushdecl, or poplevel to build up the new BLOCK tree.
18869 (expand_inline_function): Likewise.
18870 (integrate_parm_decls): Likewise.
18872 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18874 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18876 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18878 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18879 * invoke.texi: Document this change.
18881 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18883 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18885 (mark_emit_status): Renamed from mark_emit_state.
18886 * except.c (mark_eh_status): Renamed from mark_eh_state.
18887 Check not null before marking.
18888 (free_eh_status): New.
18889 * expr.c (mark_expr_status, free_expr_status): New.
18890 * function.c (free_machine_status): New.
18891 (free_after_parsing): New.
18892 (free_after_compilation): Move bits to free_after_parsing; call
18893 free_eh_status, free_expr_status; zero the marked members of the
18895 (prepare_function_start): No can_garbage_collect.
18896 Call init_eh_for_function.
18897 (expand_dummy_function_end): Free up current_function state.
18898 (mark_function_status): Renamed from mark_function_state.
18899 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18900 * function.h (struct function): No can_garbage_collect.
18901 (free_machine_status, free_after_parsing): Declare.
18902 (free_eh_status, free_expr_status): Declare.
18903 * ggc.h (mark_expr_status): Declare.
18904 * stmt.c (free_stmt_status): Free the struct.
18905 (mark_stmt_status): Renamed from mark_stmt_state.
18906 (init_stmt): Don't call init_eh.
18907 (init_stmt_for_function): Don't call init_eh_for_function.
18908 * toplev.c (compile_file): Call init_eh.
18909 (rest_of_compilation): Free basic block info before ggc_collect.
18910 Call free_after_parsing; conditionally call free_after_compilation.
18911 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18912 Check not null before marking.
18913 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18915 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18917 * c-lex.c (yylex): Initialize warn.
18919 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18921 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18922 register when performing secondary reloads for the SAR register.
18924 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18926 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18927 (NOTE_BLOCK): New macro.
18928 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18929 * function.h (identify_blocks): Change prototype.
18930 * function.c (identify_blocks): Simplify.
18931 (reorder_blocks): Likewise.
18932 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18933 NOTE_INSN_BLOCK_{BEG,END}.
18934 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18935 the list of saved notes if the note isn't a
18936 NOTE_INSN_BLOCK_{BEG,END}.
18937 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18939 (reemit_notes): Adjust recreation of notes to reflect new saved
18941 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18942 printing a block note.
18943 * stmt.c (block_vector): Remove.
18944 (find_loop_tree_blocks): Simplify.
18945 (unroll_block_trees): Likewise.
18946 * tree.h (reorder_block): Change prototype.
18948 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
18950 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
18951 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
18952 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
18953 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
18954 (atexit, exit): Simplify.
18955 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
18956 * config/lots: Remove defns of HAVE_ATEXIT.
18958 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
18960 * calls.c (precompute_arguments): Fix typo in comment.
18961 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
18964 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
18966 * dsp16xx.c (override_options): Fix typos in GC root registration.
18968 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
18970 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
18971 from config/svr4.h.
18972 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
18973 (FUNCTION_PROFILER): Redefine appropriately for Linux.
18974 (CC1_SPEC): Likewise.
18976 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18978 * genattr.c (main): Add extern prototype. Call return, not exit.
18979 * genattrtab.c (main): Likewise.
18980 * gencheck.c (main): Likewise.
18981 * gencodes.c (main): Likewise.
18982 * genconfig.c (main): Likewise.
18983 * genemit.c (main): Likewise.
18984 * genextract.c (main): Likewise.
18985 * genflags.c (main): Likewise.
18986 * gengenrtl.c (main): Likewise.
18987 * genopinit.c (main): Likewise.
18988 * genoutput.c (main): Likewise.
18989 * genpeep.c (main): Likewise.
18990 * genrecog.c (main): Likewise.
18992 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
18993 * genattrtab.c (get_insn_name): Likewise.
18994 * gencodes.c (get_insn_name): Likewise.
18995 * genconfig.c (get_insn_name): Likewise.
18996 * genemit.c (get_insn_name): Likewise.
18997 * genextract.c (get_insn_name): Likewise.
18998 * genflags.c (get_insn_name): Likewise.
18999 * genopinit.c (get_insn_name): Likewise.
19000 * genpeep.c (get_insn_name): Likewise.
19002 * gencheck.c (usage): Add static prototype.
19003 * genextract.c (print_path): Constify a char*.
19004 * genopinit.c (optabs): Likewise.
19005 * genoutput.c (operand_data, data, output_predicate_decls,
19006 compare_operands): Likewise.
19007 * genrecog.c (write_tree): Add default case in switch.
19009 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19011 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19013 * print-rtl.c (get_insn_name): Remove prototype.
19015 * toplev.h (progname): Declare const.
19017 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19018 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19019 dump_sched_info, dump_local_alloc, regset_release_memory,
19020 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19021 error_with_file_and_line, error_with_decl, error_for_asm, error,
19022 fatal, warning_with_file_and_line, warning_with_decl, warning,
19023 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19024 Remove redundant prototypes.
19026 (notice, check_lang_option, report_file_and_line, vnotice,
19027 mark_file_stack): Add static prototype.
19028 (set_fatal_function): Add prototype.
19029 (vnotice, report_file_and_line, set_fatal_function,
19030 check_lang_option): Constify a char*.
19031 (main): Prototype. Call return, not exit.
19033 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19035 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19037 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19039 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19041 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19043 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19045 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19046 behave as if it's zero in all cases.
19047 (expand_function_start): Adjust call to assign_parms.
19048 * tree.h (assign_parms): Adjust prototype.
19049 * objc/objc-act.c (hack_method_prototype): Adjust call to
19052 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19054 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19055 arg_pointer_rtx fixed if the argument pointer register is
19057 (NONZERO_BASE_PLUS_P): Likewise.
19059 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19061 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19062 match_insn2 to match_insn.
19063 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19065 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19067 * Makefile.in (USER_H): Remove va-foo.h.
19069 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19070 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19071 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19072 va-spur.h,va-v850.h}: Remove.
19074 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19076 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19077 (in_return_delay): Use it instead of match_insn.
19079 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19081 * config/alpha/va_list.h (va-alpha.h): Do not include.
19082 (__gnuc_va_list): Typedef as in varargs.h.
19084 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19086 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19087 DECL_LIVE_RANGE_RTL.
19089 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19091 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19092 not NOTE_BLOCK_NUMBER.
19093 (expand_eh_region_end): Likewise.
19094 (find_exception_handler_labels): Likewise.
19095 (scan_region): Likewise.
19096 (exception_optimize): Likewise.
19097 (update_rethrow_references): Likewise.
19098 (set_insn_eh_region): Likewise.
19099 * final.c (final_scan_insn): Likewise.
19100 * flow.c (make_edges): Likewise.
19101 * integrate.c (expand_inline_function): Likewise.
19102 * print-rtl.c (print_rtx): Likewise.
19104 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19106 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19107 terms of builtin functions and types.
19109 * mips.c (mips_build_va_list): New.
19110 (mips_va_start, mips_va_arg): New.
19111 * mips.h (BUILD_VA_LIST_TYPE): New.
19112 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19114 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19115 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19116 * sh.h (BUILD_VA_LIST_TYPE): New.
19117 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19119 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19121 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19122 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19123 (struct insn_data): Likewise with n_operands, n_dups,
19124 n_alternatives, output_format.
19125 * regclass.c (scan_one_insn): Cast n_operands to int before
19126 arithmetic inside comparison.
19128 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19130 * toplev.c (compile_function): Unconditionally emit nop.
19132 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19134 * haifa-sched.c (actual_hazard): Move declaration of variable
19135 `this_cost' into the scope where it is used.
19137 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19139 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19140 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19141 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19143 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19145 * jump.c (find_insert_position): Don't declare or define unless
19146 !HAVE_conditional_arithmetic.
19147 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19149 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19151 * recog.c (offsettable_address_p): Prototype function pointer.
19152 (preprocess_constraints): Call memset, not bzero.
19154 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19155 (gcc_obstack_init): Don't declare.
19156 (fix_sizetype): Add static prototype.
19157 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19158 (tree_cons): Call memset, not bzero.
19160 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19161 definition in macro ASM_WEAKEN_LABEL.
19162 (mark_const_hash_entry): Add static prototype.
19164 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19166 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19168 * unroll.c (find_common_reg_term, subtract_reg_term,
19169 loop_find_equiv_value): Add static prototypes.
19170 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19171 (copy_loop_body): Remove unreachable break statement.
19173 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19175 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19177 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19179 Undo some changes from the gcc2 merge:
19180 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19181 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19185 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19186 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19187 initialized float-int union if the value is a NaN.
19189 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19191 * gthr-win32.h: New file.
19193 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19194 shared as a valid attribute.
19195 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19196 * extend.texi: Document `shared' variable attribute.
19198 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19200 * configure.in: Handle --enable-threads on FreeBSD.
19201 * configure: Rebuit.
19203 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19205 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19207 * configure: Rebuilt.
19209 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19210 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19211 Rosimildo DaSilva <rdasilva@connecttel.com>
19213 * configure.in (m68k-*-rtemscoff*): Added.
19214 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19215 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19216 sparc-rtems configuration.
19217 * configure.in (sparc-*-rtemself*): Added.
19218 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19219 * config/i386/rtems.h: Added comment.
19220 * config/sparc/rtemself.h: New file.
19222 * configure.in (m68k-rtemself): Added.
19223 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19224 and DWARF_DEBUGGING_INFO.
19225 * config/m68k/crti.s: New file.
19226 * config/m68k/crtn.s: New file.
19227 * config/m68k/t-crtstuff: New file.
19228 * config/m68k/rtemself.h: New file.
19230 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19231 global ctor/dtor and C++ exception handling.
19232 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19233 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19235 * config/i386/t-rtems-i386: New File.
19237 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19239 * stmt.c (expand_end_case): Return right away if the case stack is
19242 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19244 * Makefile.in (version.c): Remove rule incorrectly brought in from
19247 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19249 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19250 * msdos/top.sed: Take into account a prepended $(SHELL) to
19252 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19254 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19256 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19258 * regmove.c (fixup_match_1): Don't change an unchanging register.
19259 (stable_but_for_p): Renamed to:
19260 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19261 Changed all callers.
19263 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19265 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19266 insn from BL2 is after the insn from BL.
19268 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19270 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19271 (struct insn_data): Merge `template' and `outfun' into `output'.
19272 Add `output_format'.
19273 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19274 (struct data): Remove `outfun'; add `output_format'.
19275 (name_for_index): Remove declaration.
19276 (output_insn_data): Handle output formats.
19277 (process_template): Emit the bare array for @.
19278 (gen_expand, gen_split): Set output_format to NONE.
19279 * output.h (get_insn_template): Declare.
19280 * final.c (get_insn_template): New.
19281 (final_scan_insn): Use it.
19282 * toplev.c (compile_file): Likewise.
19284 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19285 * i860/i860.c (output_delayed_branch): Likewise.
19286 (output_delay_insn): Likewise.
19288 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19290 * rtl.c (obstack_alloc_rtx): Removed.
19292 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19294 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19296 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19298 * i386.c (call_insn_operand): Reject const_int.
19299 (expander_call_insn_operand): Use call_insn_operand.
19301 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19303 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19305 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19307 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19308 Use DImode operation.
19310 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19312 * gcc.c: Include sys/resource.h.
19313 (report_times): New flag.
19314 (execute): If report_times is set, calculate and report the
19315 CPU time consumed by each subprocess.
19317 (rus, prus): New globals.
19318 (option_map): Add --time.
19319 (display_help): Document -time.
19320 (process_command): Set report_times if -time is given.
19321 Turn off -pipe if -time is given.
19323 * invoke.texi: Document new option -time.
19325 * configure.in: Check for getrusage. Check if we have to
19326 prototype getrusage.
19327 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19328 * configure: Regenerate.
19329 * config.in: Regenerate.
19331 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19333 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19336 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19338 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19339 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19340 (nan): Return _thenan_sf or _thenan_df as appropriate.
19341 (L_thenan_sf): Define _thenan_sf.
19342 (L_thenan_df): Define _thenan_df.
19344 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19345 (DPBIT_FUNCS): Add _thenan_df.
19347 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19349 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19352 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19354 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19357 (lang_specific_driver): Don't take a function pointer parameter.
19358 All callers changed.
19360 * gcc.c: Include gcc.h.
19361 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19362 lang_specific_extra_outfiles, fatal): Don't declare.
19363 (multilib_defaults_raw): Constify.
19364 (read_specs): Call memset, rather than bzero.
19365 (main): Call return, not exit.
19366 (lookup_compiler): Call memcpy, not bcopy.
19367 (fatal): Make extern.
19369 * cppspec.c: Include gcc.h.
19370 (lang_specific_driver): Initialize variable `quote'. Constify a
19371 char*. All calls to the function pointer parameter now
19372 explicitly call `fatal'.
19374 * gccspec.c (lang_specific_driver): Include gcc.h.
19376 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19378 * arm.c (note_invalid_constants): Use recog_data.operand_type
19381 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19383 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19386 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19387 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19388 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19389 reload_secondary_in_reload, reload_secondary_out_reload,
19390 reload_secondary_in_icode, reload_secondary_out_icode,
19391 reload_reg_rtx, reload_when_needed): Delete declarations.
19392 (struct reload): New structure.
19393 (rld): Declare new array.
19394 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19395 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19396 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19397 reload_secondary_in_reload, reload_secondary_out_reload,
19398 reload_secondary_in_icode, reload_secondary_out_icode,
19399 reload_reg_rtx, reload_when_needed): Delete definitions.
19401 (whole file): Replace uses of the deleted arrays with uses of rld.
19402 * reload1.c (whole file): Replace uses of the deleted arrays with
19404 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19405 explicit loops, not with bcopy.
19407 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19409 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19410 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19411 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19412 insn_name): Delete and consolidate into new structures.
19413 (insn_operand_predicate_fn): New.
19414 (insn_output_fn): New.
19415 (insn_gen_fn): New.
19416 (struct insn_operand_data): New.
19417 (struct insn_data): New.
19419 (OUT_FCN): Update for insn_data change.
19420 * builtins.c (expand_builtin_strlen): Likewise.
19421 (expand_builtin_memcmp): Likewise.
19422 * combine.c (make_extraction, simplify_comparison): Likewise.
19423 * cse.c (canon_reg, cse_insn): Likewise.
19424 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19425 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19426 (emit_store_flag): Likewise.
19427 * expr.c (convert_move, emit_block_move): Likewise.
19428 (clear_storage, emit_push_insn, expand_increment): Likewise.
19429 (do_store_flag): Likewise.
19430 * expr.h (GEN_FCN): Likewise.
19431 (insn_gen_function): Die.
19432 * final.c (final_scan_insn): Update for insn_data change.
19433 (output_asm_name): Likewise.
19434 * function.c (fixup_var_refs_1): Likewise.
19435 * loop.c (check_dbra_loop): Likewise.
19436 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19437 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19438 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19439 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19440 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19441 * regmove.c (gen_add3_insn): Likewise.
19442 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19443 (find_reloads, find_reloads_address_1): Likewise.
19444 (debug_reload_to_stream): Likewise.
19445 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19446 * stmt.c (expand_end_case): Likewise.
19447 * toplev.c (compile_file): Likewise.
19449 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19450 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19452 * print-rtl.c (insn_name_ptr): Remove declaration.
19453 (get_insn_name): Declare.
19454 (print_rtx): Use it.
19455 * genoutput.c (insn_name_ptr): Remove.
19456 (next_operand_number): New.
19457 (struct operand_data): New.
19458 (null_operand, odata, odata_end): New.
19459 (struct data): Use struct operand_data.
19460 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19461 (get_insn_name): Renamed from name_for_index.
19462 (output_prologue): Define NO_MD_PROTOTYPES.
19463 (output_predicate_decls): Break out from output_epilogue.
19464 Iterate over the operands list.
19465 (output_operand_data): Break out from output_epilogue. Emit
19466 just the operands list.
19467 (output_insn_data): Break out from output_epilogue. Emit just
19469 (output_epilogue): Remove.
19470 (output_get_insn_name): New.
19471 (constraints, op_n_alternatives, predicates, address_p): Die.
19472 (modes, strict_low, seen): Die.
19473 (scan_operands): Take new param `d' instead of writing to
19474 seven global variables.
19475 (compare_operands): New.
19476 (place_operands): New.
19477 (validate_insn_alternatives): Update for struct data change.
19478 (gen_insn): Don't zero or copy 7 global arrays. Update for
19479 scan_operands; call place_operands.
19480 (gen_peephole, gen_expand, gen_split): Likewise.
19481 (main): Update for new output routines.
19483 * genattr.c (insn_name_ptr): Remove.
19484 (get_insn_name): New function.
19485 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19486 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19487 * genrecog.c: Likewise.
19489 * alpha.md (adddi3): Make `pattern' array static.
19491 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19493 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19494 c4x_cpu_version_string): Constify char *.
19495 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19496 c4x_cpu_version_string): Likewise.
19498 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19500 * tree.c (save_tree_status): Revert 10 Sep change.
19501 (restore_tree_status): Likewise. Call obstack_free with NULL
19502 before freeing the obstack proper.
19504 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19506 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19508 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19509 surrounding context.
19511 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19513 * tree.c (type_hash_canon): Put all types in the hash-table, when
19516 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19518 * recog.h (struct recog_data, recog_data): New.
19519 (recog_foo variables): Kill.
19520 * recog.c (recog_operand, recog_operand_loc): Kill.
19521 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19522 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19523 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19524 (recog_data): Define.
19525 (extract_insn): Update all recog_foo references to use recog_data.
19526 (preprocess_constraints, constrain_operands): Likewise.
19527 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19528 * genattrtab.c (main): Likewise.
19529 * genextract.c (main): Likewise.
19530 * genoutput.c: Likewise.
19531 * genrecog.c (write_subroutine, main): Likewise.
19532 * local-alloc.c (block_alloc): Likewise.
19533 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19534 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19535 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19536 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19537 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19538 (reload_cse_simplify_operands): Likewise.
19540 * arc/arc.c (arc_final_prescan_insn): Likewise.
19541 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19542 * h8300/h8300.c (notice_update_cc): Likewise.
19543 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19544 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19545 * mn10200/mn10200.c (notice_update_cc): Likewise.
19546 * mn10300/mn10300.c (notice_update_cc): Likewise.
19547 * romp/romp.c (update_cc): Likewise.
19548 * sparc/sparc.c (check_pic): Likewise.
19549 * v850/v850.c (notice_update_cc): Likewise.
19551 * genemit.c (main): Don't declare recog_operand.
19553 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19555 * ggc.h (rtvec_def): Forward declare.
19556 (tree_node): Likewise.
19557 (ggc_root): Define.
19559 (ggc_set_mark_rtx): Add prototype.
19560 (ggc_set_mark_rtvec): Likewise.
19561 (ggc_set_mark_tree): Likewise.
19562 * ggc-simple.c (ggc_root): Don't define.
19563 (roots): Don't declare.
19564 (ggc_mark_rtx): Remove.
19565 (ggc_mark_rtvec): Likewise.
19566 (ggc_mark_tree): Likewise.
19567 (ggc_mark_varray): Likewise.
19568 (ggc_mark_tree_hash_table_entry): Likewise.
19569 (ggc_mark_tree_hash_table): Likewise.
19570 (ggc_set_mart_rtx): New function.
19571 (ggc_set_mark_rtvec): Likewise.
19572 (ggc_set_mark_tree): Likewise.
19573 (ggc_add_root): Remove.
19574 (ggc_add_rtx_root): Likewise.
19575 (ggc_remove_tree_root): Likewise.
19576 (ggc_add_string_root): Likewise.
19577 (ggc_add_tree_varray_root): Likewise.
19578 (ggc_add_tree_hash_table_root): Likewise.
19579 (ggc_del_root): Likewise.
19580 (ggc_mark_rtx_ptr): Likewise.
19581 (ggc_mark_tree_ptr): Likewise.
19582 (ggc_mark_string_ptr): Likewise.
19583 (ggc_mark_tree_varray_ptr): Likewise.
19584 (ggc_mark_tree_hash_table_ptr): Likewise.
19585 * ggc-common.c: New file.
19586 * Makefile.in (OBJS): Add ggc-common.o.
19587 (ggc-common.o): List dependencies.
19589 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19591 * cppalloc.c (xstrdup): Use memcpy.
19592 * cpperror.c (cpp_print_containing_files): Don't use
19594 * cpplib.c (conditional_skip): Set temp->lineno.
19595 (do_endif): Make error message less obscure.
19596 (if_directive_name): New function.
19597 (cpp_get_token [case EOF]): Unwind the if stack and generate
19598 error messages for each unterminated conditional in this file.
19599 (parse_string): Do not behave differently if -traditional.
19601 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19603 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19604 va_list decomposing to pointer-type.
19605 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19606 (rs6000_va_arg): Likewise.
19608 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19610 * except.c (start_dynamic_handler): Compute size using
19611 STACK_SAVEAREA_MODE.
19613 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19615 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19616 include directory headers. Don't define strrchr. Don't provide
19617 my_* replacement functions. Prefer PTR over `pointer_type'.
19618 Don't prototype system functions. Don't redefine getopt.
19620 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19621 safe_read, safe_write, save_pointers, restore_pointers,
19622 is_id_char, in_system_include_dir, directory_specified_p,
19623 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19624 find_corresponding_lparen, referenced_file_is_newer,
19625 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19626 process_aux_info_file, identify_lineno, check_source,
19627 seek_to_line, forward_to_next_token_char, output_bytes,
19628 output_string, output_up_to, other_variable_style_function,
19629 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19630 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19631 find_static_definition, connect_defs_and_decs, add_local_decl,
19632 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19633 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19634 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19635 scan_for_missed_items, edit_file, string_list_cons): Add static
19637 (standard_exec_prefix, target_machine, target_version,
19638 default_syscalls_dir, string_list, string_list_cons, find_file,
19639 do_cleaning): Constify a char*.
19640 (safe_read, safe_write): Use PTR, not a char*.
19641 (is_id_char): Take an int, not a char.
19642 (main): Add prototype. Call return, not exit.
19644 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19646 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19647 when comparing types.
19649 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19651 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19652 (strength_reduce): Release the varrays from the no-bivs early exit.
19654 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19655 the loop over the registers.
19657 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19659 (restore_tree_status): Check that instead when freeing the obstack.
19661 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19663 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19666 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19668 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19669 operand size modifiers.
19671 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19673 * c-common.c (c_common_nodes_and_builtins): Don't build
19675 * c-common.h (enum c_tree_index and related accesor macros): Remove
19676 everything now declared in tree.h.
19677 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19678 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19679 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19680 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19681 unsigned_type_node, ptr_type_node, va_list_type_node,
19682 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19683 (init_decl_processing): Call build_common_tree_nodes and
19684 build_common_tree_nodes_2 instead of building their nodes here.
19685 Don't add roots for these nodes.
19686 * stor-layout.c (size_zero_node, size_one_node): Delete.
19687 (set_sizetype): Make a new node for bitsizetype each time.
19688 * tree.c (global_trees): New variable.
19689 (init_obstacks): Add a gc root for it.
19690 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19691 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19692 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19693 (build_common_tree_nodes): New function.
19694 (fix_sizetype): New function.
19695 (build_common_tree_nodes_2): New function.
19696 * tree.h (enum tree_index): New.
19697 (global_trees): Declare.
19698 Add accessor macros for all nodes now moved to global_trees.
19699 Delete their declarations.
19701 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19703 * c-decl.c (finish_function): When processing a nested function,
19704 push and pop GC context around rest_of_compilation.
19706 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19708 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19709 Default ix86_arch to PROCESSOR_I386.
19710 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19711 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19712 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19713 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19714 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19715 (EXTRA_SPECS): Remove deleted specs.
19717 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19719 * function.c (assign_stack_local_1): Allocate from
19720 function->x_frame_offset, not frame_offset.
19722 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19724 * ggc.h (lang_cleanup_tree): Remove.
19725 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19726 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19728 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19729 TYPE_LANG_SPECIFIC when garbage collecting.
19730 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19731 (lang_cleanup_tree): Remove.
19733 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19735 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19736 * crtstuff.c: Not here.
19737 * dwarf2out.c: Or here.
19738 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19741 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19743 * function.h (free_after_compilation): Remove decl parameter.
19744 (free_varasm_status0: Likewise.
19745 (free_emit_status): Likewise.
19746 (free_stmt_status): Likewise.
19747 (free_after_compilation): Likewise.
19748 (init_lang_status): New variable.
19749 (free_lang_status): Likewise.
19750 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19751 * function.c (init_lang_status): New variable.
19752 (free_lang_status): Likewise.
19753 (push_function_context_to): Don't set function::decl here.
19754 (free_after_copmilation): Make decl parameter implicit. Call
19755 free_lang_status if defined.
19756 (prepare_function_start): Call init_lang_status if defined.
19757 (init_function_start): Set function::decl here.
19758 * profile.c (output_func_start_profiler): Don't call pushdecl
19759 until we've actually started the function.
19760 * stmt.c (free_stmt_status): Make decl parameter implicit.
19761 * toplev.c (rest_of_compilation): Don't pass decl to
19762 free_after_compilation.
19763 * varasm.c (free_varasm_status): Likewise.
19765 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19767 * except.c (call_get_eh_context): Add root when allocating static
19770 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19772 * arm.c: Include "ggc.h".
19773 (arm_add_gc_roots): New function.
19774 (arm_override_options): Call it.
19775 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19777 * arm.md (define_asm_attributes): Add a pool_range attribute.
19779 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19781 * extend.texi (Volatiles): New node.
19783 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19785 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19786 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19787 (struct ggc_any): Replace `mark' with `magic_mark'.
19788 (ggc_alloc_string): Use memcpy, not bcopy.
19789 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19790 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19791 (ggc_free_any): New.
19792 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19793 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19794 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19795 Use IS_MARKED. Use ggc_free_any.
19797 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19799 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19801 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19803 * toplev.c (main): Always init_ggc.
19805 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19807 * except.c (find_all_handler_type_matches): Free the list if
19808 we found no matches.
19810 * combine.c (SUBST): Break out to a real function do_SUBST.
19811 (SUBST_INT): Likewise.
19812 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19813 (pre_insert): Free `inserted'.
19814 * loop.c (basic_induction_var): Always set `location'.
19816 * function.c (expand_function_end): Add initial_trampoline as a root.
19817 * rtl.h (init_varasm_once): Declare.
19818 * toplev.c (compile_file): Call it.
19819 * ggc-simple.c (ggc_mark_string_ptr): New.
19820 (ggc_add_string_root): New.
19821 (ggc_collect): Disable collection avoidance temporarily.
19822 * ggc.h (ggc_add_string_root): Declare.
19823 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19824 * optabs.c (init_libfuncs): Likewise.
19825 * varasm.c (named_section): Use ggc_alloc_string.
19826 (make_function_rtl): Likewise.
19827 (make_decl_rtl): Likewise.
19828 (assemble_static_space): Likewise.
19829 (assemble_trampoline_template): Likewise.
19830 (output_constant_def): Likewise.
19831 (force_const_mem): Likewise.
19832 (mark_const_hash_entry): New.
19833 (mark_pool_sym_hash_table): New.
19834 (mark_varasm_state): Use it.
19835 (init_varasm_once): New.
19837 * expr.h (init_one_libfunc): Declare.
19838 * optabs.c (init_one_libfunc): New.
19839 (init_optabs): Use it.
19840 * config/gofast.h: Likewise.
19841 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19842 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19844 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19846 * Makefile.in (cppexp.o): Depend on cpphash.h.
19847 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19849 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19850 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19851 redefining poisoned identifiers, etc.
19852 (do_undef): Don't allow poisoned identifiers to be undefined.
19853 (do_pragma): Add #pragma poison.
19854 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19856 * cccp.c: Add T_POISON node type.
19857 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19859 (do_define): Generalise to handle poisoned definitions,
19860 redefining poisoned identifiers, etc.
19861 (do_undef): Don't allow poisoned identifiers to be undefined.
19862 (do_pragma): Add #pragma poison.
19863 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19865 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19866 * c-pragma.h: Add ps_poison state. We now always have generic
19869 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19871 * ggc.h (ggc_alloc): New function.
19872 (ggc_mark): Likewise.
19873 * ggc-simple.c (ggc_any): New structure.
19874 (ggc_status): Add anys.
19875 (n_anys_collected): New variable.
19876 (ggc_alloc): Define.
19877 (ggc_mark): Likewise.
19878 (ggc_collect): Collect the anys.
19880 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19882 * c-decl.c (mark_binding_level): Make static to match prototype.
19884 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19886 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19888 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19890 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19891 will use into account. Expand the max width to 5.
19894 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19896 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19897 for the rtx length.
19899 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19901 * alpha.md (call value patterns): Remove the result predicates.
19903 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19905 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19908 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19910 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19911 changed from extern char *, to extern PTR. Also fix typo in
19912 NEED_DECLARATION_REALLOC test.
19914 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19916 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19918 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19919 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19920 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19921 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19923 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19925 * cccp.c (pcfinclude): Likewise.
19927 * global.c (allocno_compare): Likewise.
19929 * haifa-sched.c (rank_for_schedule): Likewise.
19931 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19933 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19935 * stupid.c (stupid_reg_compare): Likewise.
19937 * tree.c (_obstack_allocated_p): Likewise.
19939 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19941 1999-09-08 Bruce Korb autogen@linuxbox.com
19943 * Makefile.in: Give the hapless gperf user a hint about
19944 why "gperf -F" fails.
19946 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
19948 * lists.c: Include ggc.h.
19950 (init_EXPR_INSN_LIST_cache): Install it.
19952 * ggc-simple.c (init_ggc): Absorb the old init.
19953 (ggc_push_context): Use xcalloc.
19954 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
19955 (ggc_collect): Add [rvts] tags to the collection stats.
19957 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
19959 * cccp.c (main): Fix handling of -include and -imacros options.
19961 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
19963 * cpplib.c (cpp_push_buffer): Fix order of arguments.
19965 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19967 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
19970 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19972 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
19973 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
19974 and SET_DEST. Update comment.
19976 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19978 * config/c4x/c4x.c: Include ggc.h.
19979 (c4x_add_gc_roots): New function.
19980 (c4x_override_options): Call c4x_add_gc_roots.
19982 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
19984 * defaults.h (TARGET_ESC): Move ...
19985 * system.h: ... here, where Linas had it in the first place. Silly me.
19987 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
19989 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
19990 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
19991 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
19992 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
19993 * defaults.h (TARGET_ESC): Add default.
19995 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
19997 * configure.in: add i370-*-openedition, i370-*-mvs and
19998 i370-*-linux targets
20000 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20002 * dsp16xxx.c: Include ggc.h
20003 (override_options): Mark GC roots.
20004 * mn10200.c: Include ggc.h.
20005 (asm_file_start): Mark GC roots.
20006 * tahoe.c: Include ggc.h.
20007 (extensible_operand): Mark GC roots.
20009 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20011 * README: Add section discussing status of ELF ABI.
20012 * i370.c: Fix misc spelling mistakes.
20013 (i370_label_scan): Updated notes, exception handling.
20014 (i370_function_prolog): Simplify ELF stack handling.
20015 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20016 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20017 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20018 * i370.md: (movdi): Add notes.
20019 (floatsidf2): Use stack not rtca for scratch float area.
20020 (iorsi3): Correct operand constraints.
20021 * x-oe: Restore TAROUTOPTS which are used by pax.
20023 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20025 * rs6000.c: Include ggc.h.
20026 (rs6000_add_gc_roots): New function.
20027 (override_options): Call it.
20029 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20031 * alpha.h (alpha_compare): New.
20032 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20033 * alpha.c: Likewise for the definitions.
20034 (alpha_emit_conditional_branch): Update for alpha_compare.
20035 (alpha_emit_conditional_move): Likewise.
20036 * alpha.md (cmpdf, cmpdi): Likewise.
20037 (setcc patterns): Likewise. Zero alpha_compare after use.
20038 (sne): Optimize (x != 0) into (0U < x).
20040 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20042 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20043 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20044 (INIT_EXPANDERS): Remove.
20045 * alpha.c: Include ggc.h.
20046 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20047 (alpha_init_machine_status, alpha_mark_machine_status): New.
20048 (override_options): Install them.
20049 (struct machine_function): Moved to alpha.h.
20050 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20051 (alpha_init_expanders): Remove.
20052 (alpha_return_addr): Adjust to use current_function->machine.
20053 (alpha_ra_ever_killed): Likewise.
20054 (alpha_expand_epilogue): Likewise.
20055 * alpha.md (eh_epilogue): Likewise.
20057 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20058 Melissa O'Neill <oneill@cs.sfu.ca>
20059 Geoffrey Keating <geoffk@cygnus.com>
20061 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20062 call-used registers (call-saved registers must still be contiguous
20063 and end with r31, of course).
20065 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20067 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20068 (self_promoting_type_p): Delete.
20069 (self_promoting_args_p): Move ...
20070 * c-common.c: ... here.
20071 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20072 (simple_type_promotes_to): New.
20073 * builtins.c (lang_type_promotes_to): New.
20074 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20075 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20076 * c-common.h: ... here.
20077 (self_promoting_args_p, simple_type_promotes_to): Declare.
20078 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20079 (grokdeclarator): Likewise.
20080 * tree.h (lang_type_promotes_to): Declare.
20082 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20084 Add some machine-dependent GC roots.
20085 * sparc.c: Include ggc.h.
20086 (sparc_add_gc_roots): New function.
20087 (mark_ultrasparc_pipeline_state): Likewise.
20088 (override_options): Call sparc_add_gc_roots.
20089 * pa.c: Include ggc.h.
20090 (pa_add_gc_roots): New function.
20091 (mark_deferred_plabels): Likewise.
20092 (override_options): Call pa_add_gc_roots.
20093 * mips.c: Include ggc.h.
20094 (mips_add_gc_roots): New function.
20095 (override_options): Use it.
20097 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20099 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20101 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20102 cpp_parse_expr): Add static prototypes.
20103 (parse_charconst): Don't cast away const-ness.
20104 (token): Constify a char*.
20106 * cppfiles.c (file_name_list, include_hash, find_include_file,
20107 finclude, initialize_input_buffer): Constify a char*.
20108 (file_cleanup, find_position): Add static prototypes.
20110 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20111 collect_expansion): Add static prototypes.
20112 (cpp_install, create_definition, monthnames): Constify a char*.
20114 * cpphash.h (cpp_install): Likewise.
20116 * cppinit.c (known_suffixes, default_include,
20117 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20118 (base_name, dump_special_to_buffer, initialize_dependency_output):
20119 Add static prototypes.
20121 * cpplib.c (my_strerror): Constify a char*.
20122 (null_underflow, null_cleanup, skip_comment, copy_comment,
20123 copy_rest_of_line, handle_directive, pass_thru_directive,
20124 get_directive_token, read_line_number, cpp_print_file_and_line,
20125 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20126 v_cpp_warning_with_line, detect_if_not_defined,
20127 consider_directive_while_skipping): Add static prototypes.
20128 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20129 cpp_pedwarn_with_file_and_line): Constify a char*.
20131 * cpplib.h (cpp_options, include_hash, progname, definition,
20132 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20133 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20134 find_include_file, deps_output, include_hash): Constify a char*.
20136 * cppmain.c (progname): Constify.
20137 (main): Add prototype. Use return, not exit.
20139 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20140 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20141 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20142 check_protection): Add static prototype.
20144 (progname, recognized_macrom, recognized_extern): Constify a char*.
20145 (main): Add prototype.
20147 * gen-protos.c (progname): Constify a char*.
20149 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20151 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20152 (init_emit_once): Add more GC roots.
20153 * except.c (mark_func_eh_entry): New function.
20154 (mark_eh_node): Mark false_label and rethrow_label.
20155 (init_eh): Add more GC roots.
20156 * function.c (free_after_compilation): Take decl as a paramter.
20157 Call free_stmt_status.
20158 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20160 * function.h (free_after_compilation): Change prototype.
20161 (free_varasm_status): Likewise.
20162 (free_emit_status): Likewise.
20163 (free_stmt_status): New function.
20164 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20165 Remove, replacing with ...
20166 (ggc_status): New structure.
20167 (ggc_chain): New variable.
20168 (init_gcc): Define.
20169 (ggc_push_context): New function.
20170 (ggc_pop_context): Likewise.
20171 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20172 (ggc_alloc_rtvec): Likewise.
20173 (ggc_alloc_tree): Likewise.
20174 (ggc_alloc_string): Likewise.
20175 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20176 (ggc_mark_tree): Give language-dependent code a chance to mark
20178 (ggc_mark_tree_varray): Handle empty arrays.
20179 (ggc_collect): Adjust for use of ggc_chain. Clear
20180 bytes_alloced_since_last_gc.
20181 * ggc.h (ggc_pop_context): New function.
20182 (ggc_push_context): Likewise.
20183 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20184 * stmt.c (free_stmt_status): New function.
20185 (init_stmt_for_function): Clear last_expr_value.
20186 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20187 Conditionalize call to ggc_collect.
20188 (main): Call init_ggc.
20189 * tree.c (push_obstacks): Do the push, even when GC'ing.
20190 (push_obstacks_nochange): Likewise.
20191 (pop_obstacks): Liekwise.
20192 * varasm.c (free_varasm_status): Take decl as a parameter.
20194 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20196 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20197 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20198 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20199 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20201 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20203 * pa/x-pa-mpeix: New file for the MPE port.
20205 * pa/quadlib.asm: New file for long double support.
20207 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20208 * configure: Rebuilt.
20210 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20212 * final.c (shorten_branches): Fix last change.
20214 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20216 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20218 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20220 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20223 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20225 * c-aux-info.c (concat): Don't define.
20227 * cccp.c (my_strerror): Likewise. All callers changed to use
20229 (do_include): Call xstrdup, not xmalloc/strcpy.
20230 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20231 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20233 * collect2.c (my_strsignal): Likewise. All callers changed to use
20235 (locatelib): Call xstrdup, not xmalloc/strcpy.
20237 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20239 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20241 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20243 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20245 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20247 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20249 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20251 (find_all_handler_type_matches): Likewise. Don't check return
20253 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20254 xmalloc, not malloc.
20255 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20257 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20258 (init_spec): Call xcalloc, not xmalloc/bzero.
20259 (set_spec): Call xstrdup, not save_string.
20260 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20261 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20262 (process_command): Call xstrdup, not save_string.
20263 (main): Call xcalloc, not xmalloc/bzero.
20265 * gcov.c (xmalloc): Don't define.
20266 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20267 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20268 (output_data): Call xcalloc, not xmalloc/bzero.
20270 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20272 * mips-tdump.c (xmalloc): Don't define.
20273 (print_symbol): Call xmalloc, not malloc.
20274 (read_tfile): Call xcalloc, not calloc.
20276 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20277 Don't define. All callers of xfree/my_strsignal changed to use
20278 free/strsignal instead.
20279 (allocate_cluster): Call xcalloc, not calloc.
20281 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20282 Fix memory leak, free allocated memory.
20284 * prefix.c (translate_name): Call xstrdup, not save_string.
20285 (update_path): Likewise.
20287 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20289 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20290 Don't define. Callers of xfree/savestring2 changed to use
20291 free/concat instead.
20293 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20294 (init_elim_table): Likewise.
20296 * resource.c (init_resource_info): Likewise.
20298 * stupid.c (stupid_life_analysis): Likewise.
20300 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20301 (open_dump_file): Call concat, not xmalloc/strcpy/...
20302 (clean_dump_file): Likewise.
20303 (compile_file): Call xstrdup, not xmalloc/strcpy.
20305 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20307 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20308 * v850.c (v850_va_arg): New.
20310 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20312 * haifa-sched.c: Tidy comments.
20314 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20316 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20317 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20318 $(out_object_file)): Depend on ggc.h.
20319 * c-common.c: Include "ggc.h".
20320 (combine_strings): If doing GC, use ggc_alloc_string.
20321 * c-decl.c: Include "ggc.h".
20322 (ggc_p): Define with value 0.
20323 (mark_binding_level): New function.
20324 (init_decl_processing): Add GC roots.
20325 (mark_c_function_context): New function.
20326 (lang_mark_false_label_stack): New function.
20327 (lang_mark_tree): New function.
20328 (lang_cleanup_tree): New function.
20329 * c-lang.c: Include "ggc.h".
20330 (lang_init): Call c_parse_init.
20331 * c-lex.c: Include "ggc.h".
20332 (check_linenum): If doing GC, don't copy filenames to permanent
20334 * c-parse.in: Include "ggc.h".
20335 (c_parse_init): New function.
20336 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20337 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20339 * except.c (mark_eh_state): Mark more state.
20340 * function.c (mark_function_state): Likewise.
20341 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20342 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20343 * toplev.c (mark_file_stack): New function.
20344 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20345 (main): Add root for input_file_stack.
20347 * i386.c: Include "ggc.h".
20348 (ix86_mark_machine_status): New function.
20349 (override_options): Set mark_machine_status.
20351 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20353 * tree.c (copy_node): Copy node contents also if doing GC.
20355 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20357 * collect2.c (scan_libraries): Fix double-thinko :-).
20359 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20361 * collect2.c (scan_libraries): Fix thinko.
20363 * cse.c (delete_trivially_dead_insns): Do not skip the last
20364 insn if it is a real insn.
20366 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20368 * Makefile.in (ggc-simple.o): Depend on hash.h.
20369 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20370 (ggc_mark_tree_varray): Likewise.
20371 (ggc_mark_tree_hash_table): Likewise.
20372 * ggc-simple.c: Include hash.h.
20373 (ggc_mark_tree_hash_table_ptr): New function.
20374 (ggc_mark_tree_hash_table_entry): Likewise.
20375 (ggc_mark_tree_hash_table): Likewise.
20376 (ggc_add_tree_hash_table_root): Likewise.
20377 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20378 rtx, when defining fields.
20380 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20382 * profile.c (output_func_start_profiler): Remove apparently
20383 nonsensical call to start_sequence.
20385 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20387 * clipper/clipper.c (clipper_va_start): Fix typos.
20389 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20390 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20391 (spur_va_arg): New stub.
20393 * configure.in: Comment out pyramid.
20395 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20397 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20398 don't conflict with the bits that win32, cygwin, and dgux
20401 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20402 Bernd Schmidt <bernds@cygnus.co.uk>
20404 * integrate.c (function_cannot_inline_p): Do not inline
20405 functions with forced labels.
20407 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20408 Bernd Schmidt <bernds@cygnus.co.uk>
20409 Mark Mitchell <mark@codesourcery.com>
20411 * Makefile.in (ggc-simple.o): Depend on varray.h.
20412 (rtl.o): Depend on ggc.h.
20413 (genattrtab.o): Depend on ggc.h.
20414 (print-tree.o): Likewise.
20415 (fold-const.o): Likewise.
20416 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20417 (make_insn_raw): Don't cache insns when GC'ing.
20418 (emit_insn_before): Likewise.
20419 (emit_insn_after): Likewise.
20420 (emit_insn): Likewise.
20421 (start_sequence): Use xmalloc to allocate the sequence_stack.
20422 (end_sequence): Add free to free it.
20423 (gen_sequence): Don't cache insns when GC'ing.
20424 (clear_emit_caches): Don't use sequence_element_free_list.
20425 (init_emit): Use xcalloc, not xmalloc+bzero.
20426 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20427 * function.c (pop_function_context_from): Use free to free the
20428 fixup_var_refs_queue.
20429 (put_reg_into_stack): Allocate it with xmalloc.
20430 * genattrtab.c: Include ggc.h.
20431 (operate_exp): Don't use obstack_free when GC'ing.
20432 (simplify_cond): Likewise.
20433 (simplify_text_exp): Likewise.
20434 (optimize_attrs): Likewise.
20435 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20437 (gencode): Generate a #include for ggc.h.
20438 * ggc-callbacks.c (ggc_p): Define it to zero.
20439 * ggc-none.c (ggc_p): Likewise.
20440 * ggc-simple.c: Include varray.h.
20441 (ggc_mark_tree_varray): New function.
20442 (ggc_add_tree_varray_root): Likewise.
20443 (ggc_mark_tree_varray_ptr): Likewise.
20444 * ggc.h (ggc_p): Declare.
20445 (varray_head_tag): Likewise.
20446 (ggc_add_tree_varray_root): Declare.
20447 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20448 inconsistencies when GC'ing.
20449 * rtl.c: Include ggc.h.
20450 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20451 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20452 (rtx_free): Don't call obstack_free when GC'ing.
20453 * toplev.c (rest_of_compilation): Call ggc_collect after every
20455 * tree.c (push_obstacks): Do nothing, if GC'ing.
20456 (pop_obstacks_nochange): Likewise.
20457 (pop_obstacks): Likewise.
20458 (make_node): Use ggc_alloc_tree when GC'ing.
20459 (copy_node): Likewise.
20460 (get_identifier): Use ggc_alloc_string when GC'ing.
20461 (build_string): Likewise.
20462 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20463 (tree_cons): Likewise.
20464 (build1): Likewise.
20465 (type_hash_canon): Don't call obstack_free when GC'ing.
20467 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20469 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20470 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20472 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20473 Bernd Schmidt <bernds@cygnus.co.uk>
20474 Mark Mitchell <mark@codesourcery.com>
20476 * Makefile.in (stor-layout.o): Depend on ggc.h.
20477 (expr.o): Depend on ggc.h.
20478 (profile.o): Depend on ggc.h.
20479 (stor-layout.o): Depend on ggc.h.
20480 * emit-rtl.c (init_emit_once): Add gc roots.
20481 * expr.c: Include ggc.h.
20482 (emit_block_move): Add gc roots.
20483 (clear_storage): Likewise.
20484 * expr.h (init_stor_layout_once): New function.
20485 * profile.c: Include ggc.h.
20486 (init_arc_profiler): profiler_label is a root.
20487 * scan.c (make_sstring_space): Trust xrealloc to function
20488 correctly with first parameter NULL.
20489 * stor-layout.c: Include ggc.h.
20490 (set_sizetype): Add gc root.
20491 (init_stor_layout_once): New function.
20492 * toplev.c (compile_file): Call it.
20494 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20495 Bernd Schmidt <bernds@cygnus.co.uk>
20496 Mark Mitchell <mark@codesourcery.com>
20498 * Makefile.in (tree.o): Depend on ggc.h.
20499 (varasm.o): Likewise.
20500 (function.o): Likewise.
20501 (stmt.o): Likewise.
20502 (except.o): Likewise.
20503 (optabs.o): Likewise.
20504 (emit-rtl.o): Likewise.
20505 * emit-rtl.c: Include ggc.h.
20506 (sequence_element_free_list): Remove, and all references.
20507 (mark_sequence): New functions.
20508 (mark_emit_state): New function.
20509 * except.c: Include ggc.h.
20510 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20511 (mark_tree_label_node): New functions.
20512 (mark_eh_state): New function.
20513 * function.c: Include ggc.h.
20514 (mark_temp_slot, mark_function_chain): New functions.
20515 (mark_function_state): New function.
20516 (init_function_once): New function.
20517 * function.h (init_function_once): New function.
20518 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20519 * ggc.h (label_node): Declare.
20520 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20521 (lang_mark_false_label_stack): New function.
20522 (mark_temp_slot): Remove declaration.
20523 (mark_function_chain): Likewise.
20524 (mark_eh_state): Adjust prototype.
20525 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20527 * optabs.c: Include ggc.h.
20528 (mark_optab): New function.
20529 (init_optabs): Add gc roots.
20530 * stmt.c: Include ggc.h.
20531 (mark_cond_nesting, mark_loop_nesting): New functions.
20532 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20533 (mark_stmt_state): New function.
20534 * toplev.c (compile_file): Call init_function_once.
20535 * tree.c: Include ggc.h.
20536 (type_hash): Move declaration earlier in file.
20537 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20538 (init_obstacks): Add gc roots.
20539 (mark_type_hash): New function.
20540 * varasm.c: Include ggc.h.
20541 (mark_pool_constant): New function.
20542 (mark_varasm_state): New function.
20544 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20546 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20548 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20550 * c-decl.c (struct language_function): Renamed from struct c_function.
20552 (c_function_chain): Delete.
20553 (push_c_function_context): New arg F. Don't warn about nested
20554 functions here. Fill LANGUAGE elt of F. Delete code to update
20555 c_function_chain. Don't call push_function_context.
20556 (pop_c_function_context): New arg F. Restore from there instead of
20557 from c_function_chain. Don't call pop_function_context. Clear out
20558 LANGUAGE field of F when done.
20559 * c-lang.c: Include "function.h"
20560 (lang_init): Initialize save_lang_status and restore_lang_status.
20561 * c-parse.in (nested_function, nested_function_notype): Warn about
20562 nested functions. Call push_function_context/pop_function_context
20563 instead of the _c_ variants.
20564 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20566 * Makefile.in (c-lang.o): Update dependencies.
20568 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20569 regno_pointer_flag, regno_pointer_align.
20570 (gen_reg_rtx): Use xrealloc to enlarge them.
20571 (free_emit_status): New function.
20572 * function.c (mark_machine_status, mark_lang_status): New variables.
20573 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20574 in some bits from assign_stack_local. All callers changed to use new
20576 (assign_stack_local): Just call assign_stack_local_1.
20577 (free_after_compilation): New function.
20578 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20579 (trampoline_address): Likewise.
20580 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20581 (prepare_function_start): Explicitly clear some more variables.
20582 * function.h (struct function): New elt can_garbage_collect.
20583 (mark_machine_status, mark_lang_status): Declare variables.
20584 (free_after_compilation, free_emit_status, free_varasm_status,
20585 init_varasm_status): Declare functions.
20586 * toplev.c (rest_of_compilation): Call free_after_compilation when
20587 done with the current function.
20588 * varasm.c (free_varasm_status): New function.
20590 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20592 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20593 (EXPAND_BUILTIN_VA_ARG): Define.
20594 * sparc.c (sparc_va_start): New.
20595 (sparc_va_arg): New.
20597 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20599 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20601 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20603 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20605 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20607 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20608 (OBJS): Add $(GGC).
20609 (ggc-callbacks.o): New target.
20610 * ggc-callbacks.c: New file.
20612 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20614 * expr.h: Collapse individual optab and libfunc vars to arrays.
20615 (optab_index, libfunc_index): New enumerations.
20616 (optab_table, libfunc_table): New arrays.
20617 Add accessor macros for both.
20619 * optabs.c (optab_table, libfunc_table): New.
20620 Delete declarations for individual optab and libfunc vars.
20622 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20624 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20626 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20628 * Makefile.in (GGC, GGC_LIB): New.
20629 (HOST_RTL): Include ggc-none.o.
20630 (ggc-simple.o): New target.
20631 (ggc-none.o): Likewise.
20632 * tree.h (tree_common): Add gc_mark.
20633 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20634 (struct rtvec_def): Add gc_mark.
20635 * emit-rtl.c (global_rtl): Update static initializers to contain
20636 enough initializers.
20637 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20638 * toplev.c (gc_time): New variable.
20639 (all_time): New variable.
20640 (compile_file): Print gc time.
20641 (print_time): Calculate percentage of the whole.
20643 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20645 Change obstack memory management and varasm constant pool handling so
20646 that nested functions are treated like any other functions.
20647 * function.c (init_machine_status): New variable.
20648 (push_function_context_to): Set contains_functions for the outer
20649 function. Don't call save_varasm_status.
20650 (pop_function_context_from): Don't call restore_varasm_status. Don't
20651 set current_function_contains_functions.
20652 (prepare_function_start): Call init_varasm_status rather than
20653 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20655 * function.h (struct function) Add field varasm. Delete fields
20656 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20657 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20658 (init_machine_status): Declare.
20659 (save_varasm_status, restore_varasm_status): Delete declarations.
20660 (save_tree_status, restore_tree_status): Delete last argument.
20661 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20662 code. All callers changed.
20663 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20664 save_constants_in_decl_trees, restore_constants, save_constants,
20665 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20667 (inlining): New variable.
20668 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20669 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20671 (save_for_inline_nocopy): Don't save constants.
20672 Don't set inl_emit field in current_function.
20673 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20674 function. Set new variable inlining before
20675 calling copy_rtx_and_substitute.
20676 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20677 constant pool references if inlining is nonzero.
20678 Delete ADDRESS and (most of the) CONST cases.
20679 (output_inline_function): Save and restore current_function/
20680 current_function_decl. Delete restore_constants code. Don't call
20681 init_const_rtx_hash_table.
20682 * output.h (init_const_rtx_hash_table): Don't declare.
20683 * rtl.h (struct function): Declare.
20684 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20685 * toplev.c (rest_of_compilation): Don't treat nested functions or
20686 functions containing them specially. Delete all code to deal with
20687 save_for_inline_copying.
20688 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20689 inline_obstacks): Delete variables.
20690 (save_tree_status): Lose arg CONTEXT. All callers changed.
20691 Simply allocate a new function_maybepermanent_obstack for the new
20692 function, delete all the special cases.
20693 Don't save inline_obstacks.
20694 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20695 Delete special handling for function_maybepermanent_obstack; simply
20697 Don't restore inline_obstacks.
20698 (permanent_allocation): Delete code that frees inline_obstacks.
20699 (print_inline_obstack_statistics): Delete function.
20700 (dump_tree_statistics): Don't call it.
20701 * varasm.c (struct varasm_status): New.
20702 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20703 last_pool, pool_offset, const_double_chain): Delete global
20704 variables, replace with accessor macros.
20705 (immed_double_const): Don't walk const_double_chain outside a
20706 function, but don't treat nested functions specially anymore.
20707 (immed_real_const_1): Likewise.
20708 (clear_const_double_mem): Don't treat nested functions specially.
20709 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20710 (save_varasm_status, restore_varasm_status): Delete functions.
20711 (init_varasm_status): New function.
20712 (force_const_mem): Don't treat nested functions specially.
20713 (find_pool_constant): Accept new arg F, search for constants in
20714 that function's pool rather than the current one. All callers
20716 (get_pool_constant_for_function, get_pool_mode_for_function): New
20719 * i386.c (init_386_machine_status): New function, mostly from
20720 clear_386_stack_locals.
20721 (struct machine_functions): Rename element names to avoid name
20723 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20724 macros, replacing global variables.
20725 (clear_386_stack_locals, save_386_machine_status,
20726 restore_386_machine_status): Delete functions.
20727 (override_options): Initialize init_machine_status.
20728 * i386.h (INIT_EXPANDERS): Delete macro.
20729 (save_386_machine_status, restore_386_machine_status,
20730 clear_386_stack_locals): Delete declarations.
20732 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20734 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20735 (doloop_begin): Simplify pattern and use emit_jump_insn.
20736 (doloop_end): Simplify pattern, switch operand order,
20737 and use emit_jump_insn.
20739 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20741 * function.h (struct function): Add new element LANGUAGE.
20742 (save_lang_status): Declare new variable.
20743 (restore_lang_status): Likewise.
20744 * function.c (save_lang_status): Define.
20745 (restore_lang_status): Likewise.
20746 (push_function_context_to): Call language-specific save function.
20747 (pop_function_context_from): Call language-specific restore function.
20749 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20751 * i386.md (movsf_1): Check REG_P before use of REGNO.
20752 (movdf_1): Likewise.
20753 (movxf_1): Likewise.
20754 (extendsfdf2): Likewise.
20755 (extendsfxf2): Likewise.
20756 (extenddfxf2): Likewise.
20758 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20760 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20761 constants into memory.
20762 (c4x_shiftable_constant): New function.
20763 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20764 (c4x_shiftable_constant): Declare.
20765 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20766 ashlqi3_noclobber): Add new patterns and associated splitters.
20768 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20770 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20771 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20772 * final.c (shorten_branches): Likewise.
20773 * global.c (global_alloc): Likewise.
20774 * haifa-sched.c (build_control_flow): Likewise.
20775 * stmt.c (check_for_full_enumeration_handling): Likewise.
20776 (estimate_case_costs): Likewise.
20778 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20780 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20782 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20784 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20785 (recompute_reg_usage): Likewise.
20786 * rtlanal.c (find_regno_fusage): Likewise.
20788 * rtl.c (rtl_check_failed_code1): New function.
20789 (rtl_check_failed_code2): New.
20790 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20791 (RTL_CHECKC1, RTL_CHECKC2): New.
20792 (XC*): New accessor macros.
20793 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20794 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20795 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20796 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20797 (TRAP_*, RANGE_INFO_*): Likewise.
20799 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20801 * Makefile.in (tlink.o): Don't depend on toplev.h.
20803 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20804 output_file, nm_file_name, ldd_file_name, strip_file_name,
20805 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20806 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20807 fork_execute, maybe_unlink, add_to_list,
20808 extract_init_priority, write_list, dump_list,
20809 dump_prefix_list, write_list_with_asm, write_c_file,
20810 write_c_file_stat, write_c_file_glob, scan_prog_file,
20811 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20812 ignore_library, extract_string, notice, dump_file, target_machine,
20813 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20814 read_file, print_load_command): Constify a char*.
20815 (fdopen, error, fatal, fatal_perror): Don't prototype.
20816 (my_strerror): Remove. All callers use xstrerror instead.
20817 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20818 (main): Add prototype. Constify lots of char* ptrs. Change calls
20819 to xcalloc/strcpy/strcat/... to one call to concat.
20820 (main, scan_prog_file, scan_libraries): Use an intermediate
20821 `const char **' to build an argv array.
20822 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20824 * collect2.h (collect_execute, collect_wait, dump_file,
20825 file_exists): Constify a char*.
20826 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20827 temporary_firstobj, vflag, debug): Add extern declarations.
20828 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20830 * tlink.c: Don't include toplev.h.
20831 (vflag, debug, ldout, c_file_name, temporary_obstack,
20832 permanent_obstack, temporary_firstobj): Don't declare.
20833 (tlink_execute, frob_extension, symbol_hash_lookup,
20834 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20835 recompile_files, read_repo_files, demangle_new_symbols,
20836 scan_linker_output): Constify a char*.
20837 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20838 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20840 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20842 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20843 (relative) rather than jsr (absolute) subroutine call insns.
20844 * config/m68k/m68k-coff.h: Ditto.
20846 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20848 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20849 now rework these too.
20850 (arm_reorg): If an insn can't reach the end of the current pool,
20851 ensure that we emit that pool before the insn.
20853 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20855 * tlink.c (scan_linker_output): Skip the initial underscore in
20856 a mangled name if appropriate.
20858 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20860 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20861 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20862 error_with_ivar, gen_declarator, create_builtin_decl,
20863 my_build_string, generate_descriptor_table, generate_ivars_list,
20864 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20865 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20866 dump_base_name, lang_decode_option, build_encode_expr,
20867 start_class, finish_class, encode_pointer, really_start_method,
20868 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20870 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20871 Add static prototypes.
20872 (build_objc_string_decl, build_selector_reference_decl,
20873 encode_bitfield, build_class_reference_decl): Remove unused
20874 parameter, all callers changed.
20875 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20876 (objc_printable_name): Likewise. Change second parameter to type int.
20877 (init_objc): Use memcpy, not bcopy, to avoid casts.
20879 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20881 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20882 reg notes on a deleted insn.
20883 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20885 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20887 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20889 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20891 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20894 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20896 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20897 * tm.texi (MD_ASM_CLOBBERS): Document it.
20899 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20901 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20902 * except.c (expand_rethrow): Remove unused variable.
20903 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20904 * flow.c (replace_insns): Likewise.
20905 (create_edge_list, verify_edge_list): Likewise.
20906 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20908 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20909 is special code to run.
20910 (main): Don't define operands to emit_operand.
20911 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20913 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20915 * alpha/alpha.h (normal_memory_operand): Declare.
20916 (reg_no_subreg_operand): Declare.
20917 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20919 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20921 * c-parse.in (compstmt_primary_start): New, broken out of first
20922 part of compstmt handling in primary.
20923 (primary): Use it. Add an error clause.
20924 (compstmt_nostart): Renamed from compstmt; remove all
20925 initial invocations of compstmt_start.
20928 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20930 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20933 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20935 * combine.c (simplify_shift_const): Remove extra semicolon.
20936 * dwarf2out.c (remove_AT): Likewise.
20937 * expmed.c (expand_mult): Likewise.
20938 * gcov.c (create_program_flow_graph): Likewise.
20939 * reorg.c (mostly_true_jump): Likewise.
20941 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20943 * fold-const.c (fold_range_test): Do not try to fold the range
20944 test if the rhs or lhs has side effects.
20946 * combine.c (simplify_rtx): Recognize another case of a synthesized
20949 * varasm.c (mark_constant_pool): When marking indirect references,
20950 only look at SYMBOL_REFs.
20952 * except.c (expand_fixup_region_end): Do not peek at
20953 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
20955 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
20957 * flags.h: New variables align_loops, align_loops_log,
20958 align_jumps, align_jumps_log, align_labels, align_labels_log,
20959 align_functions, align_functions_log.
20960 * toplev.c: Define them.
20961 (f_options): Handle -falign-* when they have no argument.
20962 (main): Add logic to set variables for -falign-functions,
20963 -falign-jumps, -falign-labels, -falign-loops.
20964 Make it -fsched-verbose=<n> and -finline-limit=<n>.
20965 (display_help): Change help to match options.
20966 * final.c (LABEL_ALIGN): Default to align_labels_log.
20967 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
20968 (LOOP_ALIGN): Default to align_loops_log.
20969 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
20970 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
20971 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
20972 * varasm.c (assemble_start_function): Handle align_functions.
20974 * config/sparc/sparc.h: Don't declare sparc_align_*.
20975 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
20976 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
20978 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
20980 * config/sparc/sparc.c: Delete sparc_align_loops,
20981 sparc_align_jumps, sparc_align_funcs and the corresponding string
20983 (sparc_override_options): Default align_functions on ultrasparc.
20984 Delete -malign-* handling.
20986 * config/mips/mips.c (override_options): On 64-bit targets,
20987 try to align code to 64-bit boundaries.
20988 (print_operand): New substitution, %~,
20989 which aligns labels to align_labels_log.
20990 * config/mips/mips.md (div_trap_normal): Use %~.
20991 (div_trap_mips16): Likewise.
20993 (absdi2): Likewise.
20994 (ffssi2): Likewise.
20995 (ffsdi2): Likewise.
20996 (ashldi3_internal): Likewise.
20997 (ashrdi3_internal): Likewise.
20998 (lshrdi3_internal): Likewise.
20999 (casesi_internal): Likewise.
21001 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21003 Merge new ia32 backend from the branch!
21005 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21006 See ChangeLog.P2 on new_ia32_branch for details.
21008 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21009 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21010 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21011 * i386/gas.h (ASM_FILE_START): Define.
21012 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21013 for name change of ix86_valid_decl_attribute_p.
21014 (i386_pe_valid_type_attribute_p): Similarly.
21016 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21018 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21019 to step through CC modes.
21021 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21023 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21024 it would end up in the shadow of a live flags regsiter.
21026 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21028 * reload1.c: Fix many indentation problems.
21029 * reload.c: Likewise.
21031 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21033 * alias.c (non_local_reference_p): Constify fmt.
21035 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21037 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21039 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21041 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21042 the internal_arg_pointer.
21044 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21046 Merge peephole2 from new_ia32_branch:
21047 * Makefile.in (STAGESTUFF): Add *.peephole2.
21048 (mostlyclean): Likewise.
21049 (recog.o): Depend on resource.h.
21051 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21052 (final_scan_insn): Likewise for the invocation of peephole.
21053 * genconfig.c (main): Look for peephole and peephole2 patterns.
21054 Emit HAVE_peephole* accordingly.
21055 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21056 * flags.h (flag_peephole2): Declare.
21057 * toplev.c: New pass peephole2. New flag -fpeephole2.
21059 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21060 * gencodes.c (main): Likewise.
21061 * genextract.c (main): Likewise.
21062 * genoutput.c (main): Likewise.
21063 * genemit.c (max_operand_1): Look for the max scratch operand.
21064 (gen_rtx_scratch): New.
21065 (gen_exp): Use it, and pass on new arg subroutine_type.
21066 (gen_expand): Take max scratch into account.
21067 (gen_split): Emit peephole2 functions.
21068 (output_peephole2_scratch): New.
21069 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21070 * genrecog.c (routine_type): Add PEEPHOLE2.
21072 (make_insn_sequence): Match outer parallel for peep2. Discard
21073 top level scratches and dups.
21074 (add_to_sequence): New args insn_type and top. Update all callers.
21075 Handle toplevel peep2 matching insns.
21076 (write_subroutine): Handle peep2.
21077 (write_tree_1): Likewise.
21078 (write_tree): Likewise.
21080 (change_state): New arg afterward. Update all callers.
21081 Handle matching separate insns.
21082 * recog.c (recog_next_insn): New.
21083 (peephole2_optimize): New.
21084 * rtl.def (DEFINE_PEEPHOLE2): New.
21085 * resource.c (find_free_register): New argument last_insn. Use it
21086 to find a register available through the entire span.
21087 * resource.h (find_free_register): Update prototype.
21089 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21091 * i386.c (output_strlen_unroll): Don't write xops[7]
21092 label if it wasn't set.
21094 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21096 * cpplib.c (struct directive): Const-ify name pointer and
21097 function pointer prototype.
21098 (validate_else, do_define, do_line, do_include, do_undef,
21099 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21100 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21101 do_warning): Const-ify second arg.
21102 (directive_table): Mark const. Reorder entries by frequency
21103 of usage, record statistics.
21105 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21107 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21108 bounds- check RTL accesses if --enable-checking.
21109 (RTVEC_ELT): Bounds check if --enable-checking.
21110 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21111 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21112 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21114 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21115 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21117 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21118 (NOTE_SOURCE_FILE): Use X0STR.
21119 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21120 MEM_ALIAS_SET): Use X0INT.
21121 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21122 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21124 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21125 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21126 (rtl_check_failed_bounds, rtl_check_failed_type1,
21127 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21129 (fancy_abort): Fix comment.
21131 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21132 (cse_insn): Decrement LABEL_NUSES for jump target before
21133 deleting jump insn.
21134 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21135 * final.c (alter_subreg): Compute regno before changing x to
21136 REG; set REGNO(x) after changing it.
21137 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21138 notes containing CONST_INTs.
21139 (delete_eh_regions): Use NOTE_EH_HANDLER.
21140 * function.c (put_reg_into_stack): Make reg a MEM before
21142 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21144 (gen_mem_addressof): Make reg a MEM before initializing it.
21145 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21147 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21148 deleting an insn, not after.
21149 (block_alloc): Only look at PATTERN(insn) if we have to, and
21150 only if it's format class 'i'.
21151 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21152 CONST_INT before using its INTVAL.
21153 * print-rtl.c (print_rtx): Use X0STR.
21154 * regmove.c (fixup_match_1): Don't look at PATTERN of
21155 non-class-'i' insn chain elements.
21156 * reload.c (loc_mentioned_in_p): Take address of
21157 in->fld[1].rtx directly.
21158 * reload1.c (reload): Change reg to a MEM before initializing
21160 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21162 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21164 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21166 * config/mips/mips.c (machine_dependent_reorg): Force a
21167 barrier to output the local constant pool if a barrier hasn't
21168 been found at a natural point in the instruction stream.
21170 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21172 * c-parse.in (language_string): Constify.
21174 * dwarf2out.c (language_string): Remove declaration.
21176 * dwarfout.c (language_string): Likewise.
21178 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21180 * tree.h (language_string, init_parse, finish_parse): Declare.
21182 * i386/sun386.h (language_string): Remove declaration.
21184 * mips.h (language_string): Likewise.
21186 * nextstep.h (language_string): Likewise.
21188 * nextstep21.h (language_string): Likewise.
21190 * rs6000.c (language_string): Likewise.
21192 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21194 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21195 (getpwd.o): Remove target.
21197 * getpwd.c: Delete file. Its in libiberty now.
21199 * dbxout.c (getpwd): Don't prototype.
21200 * dwarf2out.c (getpwd): Likewise
21201 * dwarfout.c (getpwd): Likewise
21202 * final.c (getpwd): Likewise.
21203 * protoize.c (getpwd): Likewise.
21205 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21207 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21209 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21211 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21212 mark_set_resources.
21214 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21216 * fixinc/Makefile.in (subdir): New.
21217 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21220 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21222 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21223 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21226 * invoke.texi: Fix typo.
21228 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21229 changed. Handle autoincrement addressing modes.
21231 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21232 just like we would the virtual incoming args register when
21235 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21237 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21238 path, in .file directive.
21240 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21242 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21245 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21247 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21250 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21252 * tree.c (tree_code_name): Constify a char*.
21254 * tree.h (tree_code_name, decl_printable_name): Likewise.
21256 * function.h (struct function): Likewise.
21258 * toplev.c (decl_name, decl_printable_name): Likewise.
21260 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21262 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21263 (init_objc): Remove function pointer cast.
21265 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21267 * pa.md (interspace_jump): New pattern.
21268 (builtin_longjmp): New expander.
21270 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21272 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21273 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21274 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21276 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21278 * jump.c (delete_prior_computation): Also check calls
21279 to constant functions. Don't bother checking for a
21280 REG_UNUSED note before adding it.
21281 (delete_computation): Handle multi-word hard registers
21282 when synthesizing missing REG_DEAD notes for a register
21283 which is both set and used by an insn.
21285 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21287 * loop.c (this_loop_info): New variable.
21288 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21289 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21291 (prescan_loop, strength_reduce): New argument loop_info. All callers
21293 (scan_loop): New variable loop_info, initialise to address of
21295 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21296 Delete variable loop_has_multiple_exit targets and replace with
21297 field in this_loop_info.
21298 (find_and_verify_loops): Rename this_loop to this_loop_num.
21299 (strength_reduce): Delete loop_iteration_info. Replace variable
21300 loop_info with function argument of same name.
21301 (insert_bct): Rework test for loop being completely unrolled.
21303 * loop.h (struct loop_info): New fields num, loops_enclosed,
21304 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21305 has_indirect_jump, and cont. Redefine use of unroll_number.
21306 (loop_unroll_number): Delete.
21308 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21309 field of loop_info.
21310 (loop_iterations): Delete variable vtop and instead use
21311 loop_info->vtop computed in prescan_loop.
21313 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21315 * fix-header.c (main): Do not pass a null pointer to strcmp.
21317 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21319 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21321 * configure: Rebuilt.
21323 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21325 * jump.c (jump_optimize_1): Do not delete assignments to
21326 internal_arg_pointer.
21327 * cse.c (delete_trivially_dead_insns): Always consider a set of
21328 the internal_arg_pointer live.
21330 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21332 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21333 (update_life_info) [REG_WAS_0]: Search the original insns rather
21334 than the new insns for the note. Fix typos finding note_dest.
21335 If no dest found, discard the note rather than abort.
21336 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21337 (replace_insns): Remove the old insn list after update_life_info
21340 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21342 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21343 sched_analyze_insn.
21344 (sched_analyze_1): Let add_dependence care for not adding dups.
21345 (sched_analyze_2): Likewise.
21346 (add_branch_dependences): Likewise.
21348 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21350 * i386/winnt.c (export_list): New type.
21351 (exports_head): Rename to
21352 (export_head): this.
21353 (i386_pe_record_exported_symbol): Add is_data flag.
21354 (i386_pe_asm_file_end): Emit directive for exported variables.
21355 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21357 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21358 (ASM_DECLARE_OBJECT_NAME): Likewise.
21359 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21360 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21362 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21364 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21366 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21369 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21371 * config/openbsd.h: Define SET_ASM_OP.
21372 * tm.texi: cross-reference SET_ASM_OP in the index.
21374 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21376 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21377 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21378 and class_narrowest_mode at compile time. Kill init_rtl.
21379 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21380 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21381 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21383 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21385 * rtl.h: Declare rtx_length and rtx_format as const.
21386 * machmode.def: Define CC(). Use CC() to define CCmode. If
21387 EXTRA_CC_MODES is defined, expand it here.
21388 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21389 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21390 const. Kill all references to EXTRA_CC_MODES.
21392 * toplev.c: Don't prototype or call init_rtl.
21393 * optabs.c: Don't call init_mov_optab.
21394 * genemit.c: Don't generate init_mov_optab. Don't call
21396 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21398 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21399 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21400 genrecog.c: Don't call init_rtl.
21402 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21403 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21404 definition of EXTRA_CC_MODES.
21406 * md.texi: Kill ref to EXTRA_CC_NAMES.
21407 * tm.texi: Document new way to define EXTRA_CC_MODES.
21409 * genrecog.c: Do not look up the name of a define_split.
21410 (Unrelated bugfix.)
21412 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21414 * config/v850/v850.md: Fix typo introduced by previous delta.
21416 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21418 * gcc.c (fatal): Make definition static to match prototype.
21420 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21422 * combine.c (get_last_value): Don't look for earlier sets if the last
21423 known set is somewhere in between the insns being combined.
21425 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21427 * configure.in: Don't use shell ! to negate exit codes
21428 * configure: Regenerate
21430 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21432 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21433 the fact that ALIGN is measured in bits, not bytes.
21435 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21437 * errors.c: New file; defines functions error, warning, and
21438 fatal, variables have_error and progname.
21439 * errors.h: New file; prototypes and decls for stuff in errors.c.
21441 * Makefile: Add rules to build errors.o and
21442 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21443 genopinit, genrecog, genextract, genpeep, genattr, and
21444 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21445 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21446 genpeep.o, genattr.o, and genoutput.o.
21448 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21449 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21450 define or prototype fatal. Set progname at beginning of main.
21451 * genoutput.c: Likewise, and don't define or prototype error
21454 * c-typeck.c (c_expand_start_case): Return immediately if exp
21456 * fold-const.c (operand_equal_p): Return immediately if arg1
21457 or arg0 are ERROR_MARKs.
21458 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21459 fields of type ERROR_MARK when calculating if the record can
21462 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21463 with much help from Jeffrey A Law and Richard Henderson
21465 * i386.md: In the 6 insns which call output_fix_trunc,
21466 earlyclobber operands[0].
21468 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21470 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21471 creating new registers.
21473 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21475 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21476 i386_reg_alloc_order, i386_regparm_string,
21477 i386_align_loops_string, i386_align_jumps_string,
21478 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21479 and i386_branch_cost_string as type "const char *".
21480 * i386.c: Define all above strings as type "const char *".
21482 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21484 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21485 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21487 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21489 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21490 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21492 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21494 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21495 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21496 (dwarf2out_line, dwarf2out_finish): Likewise.
21497 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21499 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21501 * tree.c (lang_unsave_expr_now) : Correct return type.
21502 * tree.h (lang_unsave_expr_now) : Same.
21504 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21506 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21507 instead of duplicating code.
21509 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21511 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21513 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21515 * tree.h: fancy_abort always takes three args.
21516 * resource.c: Move include of system.h before toplev.h.
21518 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21520 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21523 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21525 * system.h: Don't redefine abort or trim_filename.
21526 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21527 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21528 whether or not __FUNCTION__ is available.
21529 * tree.h: Duplicate rtl.h's definition of abort, for files
21530 that don't include rtl.h. Delete all code to perform type
21531 checking with a compiler other than GCC.
21532 * varray.h: Delete all code to perform type checking with a
21533 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21534 its arguments exactly once, using a statement expression.
21535 Adjust the VARRAY_<type> accessor macros to match.
21536 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21537 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21538 caller's location. Define fatal_insn and fatal_insn_not_found
21539 as macros that use _fatal_insn and _fatal_insn_not_found.
21540 (fancy_abort, trim_filename): Kill prototypes.
21542 * rtl.c (trim_filename): Move here from toplev.c.
21543 (fancy_abort): New function.
21544 (DIR_SEPARATOR): Provide default definition.
21545 * tree.c (tree_check_failed, tree_class_check_failed): Go
21546 through fancy_abort.
21547 (tree_check, tree_class_check, cst_or_constructor_check,
21548 expr_check): Delete.
21549 * varray.c (varray_check_failed): New function.
21550 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21551 _fatal_insn and _fatal_insn_not_found. Go through
21553 (trim_filename, fancy_abort): Delete.
21555 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21556 * except.c (start_catch_handler): Report ICE with error/abort
21558 * final.c (output_operand_lossage): Likewise.
21559 * flow.c (verify_flow_info): Likewise.
21561 * gcc.c: Prototype fatal.
21562 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21563 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21564 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21565 Don't define fancy_abort.
21567 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21569 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21572 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21574 * m88k.h (VERSION_INFO2): Kill.
21575 (VERSION_STRING): Kill.
21577 (VERSION_INFO1): Tidy.
21578 (TARGET_VERSION): Update.
21579 * m88k/dgux.h (VERSION_INFO2): Kill.
21580 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21581 * m88k/luna.h (VERSION_INFO1): Tidy.
21582 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21583 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21584 (output_file_start): Adjust for death of VERSION_STRING.
21586 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21588 * cpplib.c (detect_if_not_defined): New function.
21589 (do_if): Use it to detect potential once-only headers.
21591 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21593 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21595 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21597 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21598 anywere in the function only if they are pseudos and set before
21599 being used (not live at the start of the function).
21600 (num_sign_bit_copies) : Same.
21601 (get_last_value_validate) : Same.
21602 (get_last_value) : Same.
21604 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21606 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21607 where N and M are constant and N is an integer multiple of M.
21609 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21611 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21612 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21613 sbitmap_union_of_preds): Add prototypes.
21614 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21615 the intersection of successors with the new flow graph structures.
21616 (sbitmap_intersection_of_preds): New function to compute the
21617 intersection of predecessors with the new flow graph structures.
21618 (sbitmap_union_of_succs): New function to compute the union of
21619 successors with the new flow graph structures.
21620 (sbitmap_union_of_preds): New function to compute the union of
21621 predecessors with the new flow graph structures.
21622 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21623 (expr_reaches_here_p): Use edge and basic_block structures instead
21624 of s_preds and s_succs.
21625 (compute_cprop_avinout): Use new sbitmap routines.
21626 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21627 of s_preds and s_succs.
21628 * flow.c (compute_flow_dominators): Compute dominators using
21629 edges and basic blocks instead of s_preds and s_succs.
21631 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21633 * lists.c (unused_insn_list, unused_expr_list): New file for
21634 maintaining various types of lists. New statics for maintaining a
21635 cache of available INSN_LIST and EXPR_LIST nodes.
21636 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21637 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21638 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21639 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21640 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21641 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21642 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21643 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21644 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21645 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21646 (remove_dependence, free_pending_lists): Use new global routines.
21647 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21648 (sched_analyze, compute_block_backward_dependences): Use new routines.
21649 (sched_analyze_1, sched_analyze_2): Use new routines.
21650 (schedule_insns): Use new global routines.
21651 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21653 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21654 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21656 * toplev.c (rest_of_compilation): Initialize node cache.
21657 * Makefile.in (OBJS): Add lists.o to list of object files.
21658 (lists.o): Add dependancies.
21660 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21662 * config/v850/v850.md: Fix compile time warning messages.
21663 * config/v850/v850.c: Fix compile time warning messages.
21664 * config/v850/v850.h: Fix compile time warning messages.
21666 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21668 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21669 Remove unused prototype for `init_lengths'.
21671 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21673 * calls.c (emit_call_1): Mark parameter `stack_size' with
21675 (expand_call): Initialize variable `insn'.
21676 (emit_library_call): Likewise for variable `high_to_save'.
21677 (emit_library_call_value): Likewise.
21678 (store_one_arg): Likewise for variables `lower_bound' and
21681 * combine.c (try_combine): Likewise for variables `i2_code_number'
21682 and `other_code_number'.
21683 (find_split_point): Likewise for variables `pos', `unsignedp' and
21685 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21686 (simplify_and_const_int): Remove unused variable `width'.
21687 (merge_outer_ops): Likewise.
21689 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21690 HOST_WIDE_INT' when comparing against one.
21691 (simplify_relational_operation): Likewise.
21692 (cse_insn): Initialize variables `src_eqv_volatile',
21693 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21695 * final.c (init_final): Constify parameter `filename'.
21696 (final_start_function): Mark parameter `optimize' with
21698 (profile_function): Likewise for parameters `first' and `optimize'.
21699 (output_source_line): Likewise for parameter `file'.
21701 * integrate.c (subst_constants): Cast a value to `size_t' when
21702 comparing against one.
21703 (mark_stores): Initialize variable `mode'. Cast a value to
21704 `size_t' when comparing against one.
21706 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21708 * loop.c (move_movables): Initialize variable `first'.
21709 (strength_reduce): Likewise for variable `increment'.
21710 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21711 value to `size_t' when comparing against one.
21712 (load_mems): Initialize variable `end_label'.
21714 * output.h (init_final): Constify parameter.
21716 * reload.c (decompose): Initialize variable `base'.
21718 * reload1.c (reload): Likewise for variable `is_scalar'.
21719 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21720 (choose_reload_regs): Initialize variable `mode'.
21721 (emit_reload_insns): Likewise for variable `store_insn'.
21722 (reload_cse_noop_set_p): Mark parameter `insn' with
21724 (reload_combine): Initialize variable `set'.
21726 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21727 (copy_loop_body): Cast a value to `size_t' when comparing against
21730 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21731 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21732 (remove_from_pending_weak_list): Mark parameter `name' with
21735 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21737 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21740 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21742 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21743 (ASM_DECLARE_FUNCTION_NAME): Define.
21744 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21745 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21746 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21747 not already defined.
21749 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21751 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21752 of n_popped when call/call_value are not defined.
21754 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21756 * tm.texi: GNU CC -> GCC conversion.
21757 (CC1_SPEC): Indicate it is used for all language front ends.
21759 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21761 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21762 NOTE_INSN_EH_REGION_END correctly.
21764 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21765 Jeff Law <law@cygnus.com>
21767 * loop.c (strength_reduce): Automatically unroll loops if the
21768 unrolled loop size is smaller than the rolled loop size.
21770 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21771 and delete comment that code should be rewritten.
21773 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21775 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21778 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21780 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21782 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21783 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21784 (LINK_SPEC): Add -u _main when building executables.
21785 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21786 (ASM_FILE_END): Use the default for ix86-pe.
21787 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21789 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21791 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21792 and ASM_CLOSE_PAREN are empty strings.
21794 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21795 Geoffrey Keating <geoffk@cygnus.com>
21797 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21798 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21799 (unprotoize.o): Ditto.
21800 (test-protoize-simple): Don't define STD_PROTO_DIR.
21801 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21802 changes to make 'test-protoize-simple' pass.
21803 (STD_PROTO_DIR): Remove define.
21804 (STANDARD_EXEC_PREFIX): Supply default define.
21805 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21806 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21807 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21808 (GET_ENV_PATH_LIST): New macro.
21809 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21810 (do_processing): Initialize default_syscalls_dir using new
21811 macros. Use it to initialize syscalls_absolute_filename.
21813 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21815 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21816 B into a register before emit_conditional_move.
21818 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21820 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21821 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21822 multiplicand out of (+ (* a b) (* c d)).
21824 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21825 Richard Henderson <rth@cygnus.com>
21827 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21828 (new_insn_dead_notes): Likewise.
21829 (update_n_sets): Likewise.
21830 (update_flow_info): Move to flow.c, renamed to update_life_info;
21831 extend to handle multiple source insns.
21832 * flow.c: Include resource.h
21833 (unlink_insn_chain): New.
21834 (split_hard_reg_notes): New.
21835 (maybe_add_dead_note): New.
21836 (maybe_add_dead_note_use): New.
21837 (find_insn_with_note): New.
21838 (new_insn_dead_notes): New.
21839 (update_n_sets): New.
21840 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21841 (maybe_remove_dead_notes): New.
21842 (update_life_info): New.
21843 (prepend_reg_notes): New.
21844 (replace_insns): New.
21845 * output.h (update_life_info): Declare.
21846 * recog.c (split_block_insns): Use update_life_info.
21847 * resource.c (find_free_register): Use reg_alloc_order, don't use
21848 fixed regs, make sure the mode is supported, don't use new regs.
21850 * rtl.h (replace_insns): Declare.
21852 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21854 * expr.c (expand_expr): Cope with COND_EXPRs with one
21855 non-returning branch.
21857 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21859 * expr.c (store_expr): Always pass down the target, even when not
21862 1999-08-24 Nick Clifton <nickc@cygnus.com>
21864 * configure.in: Define target_cpu_default for v850 targets.
21865 * configure: Regenerate
21867 * config/v850/v850.h (TARGET_CPU_generic): Define.
21868 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21869 addresses are 4 byte aligned.
21871 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21874 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21876 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21877 (main): Add prototypes.
21879 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21880 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21881 (write_attr_get): Emit prototypes along with function definition.
21882 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21883 (write_complex_function): Emit static prototype along with
21884 function definition.
21886 * genemit.c (gen_split): Emit prototypes along with function
21889 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21890 Likewise for predicates and `insn_operand_predicate'.
21891 (process_template): Emit static prototype along with function
21894 * genrecog.c (make_insn_sequence): Constify a char*. Add
21895 prototypes for get_split_*().
21896 (write_subroutine): Emit prototypes along with function
21899 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21901 * gcse.c (find_avail_set): Follow chains of register-register copies.
21902 Use oprs_not_set_p to guarantee that the returned value can be
21904 (cprop_insn): Don't verify the return value of find_avail_set with
21907 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21908 (cprop_cc0_jump): New function.
21909 (cprop_insn): Break out new function cprop_jump and use it.
21910 Also use cprop_cc0_jump for machines with CC0.
21911 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21913 * tree.h (current_function_calls_setjmp,
21914 current_function_calls_longjmp): Delete declarations.
21915 * dsp16xx.c: Include "function.h".
21916 * elxsi.c: Likewise.
21917 * gmicro.c: Likewise.
21918 * h8300.c: Likewise.
21919 * i370.c: Likewise.
21920 * m32r.c: Likewise.
21921 * mn10200.c: Likewise.
21922 * mn10300.c: Likewise.
21923 * ns32k.c: Likewise.
21924 * spur.c: Likewise.
21925 * v850.c: Likewise.
21927 * rtl.h (rtx_equal_function_value_matters): Declare.
21928 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21930 * function.c: Likewise.
21931 * emit-rtl.c: Likewise.
21933 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21935 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21938 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21940 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21943 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21945 * cpp.texi: Add a node documenting macro varargs (copied
21948 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
21950 * cppspec.c: Put a null pointer at the end of the new argv.
21952 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
21954 * configure.in: Remove code to select/de-select the haifa
21955 scheduler. Every scheduled port gets haifa now.
21956 * configure: Rebuilt.
21957 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
21959 * Makefile.in: Corresponding changes.
21961 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21963 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
21964 All callers changed.
21965 (prepare_float_lib_cmp): Likewise.
21966 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
21967 * expr.h (emit_float_lib_cmp): Delete declaration.
21968 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
21969 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
21970 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
21972 (cmptf): Now conditional on TARGET_HARD_QUAD.
21974 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
21976 * resource.c (mark_target_live_regs): Use
21977 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
21979 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21981 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
21983 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
21985 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
21987 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21989 * rtl.h (rtx_format): Constify a char*.
21991 * rtl.c (rtx_format): Likewise.
21992 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
21993 (init_rtl): Use accessor macro, not `rtx_format'.
21995 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
21998 * caller-save.c (mark_referenced_regs): Likewise.
22000 * combine.c (subst, make_compound_operation, known_cond,
22001 gen_rtx_combine, update_table_tick, get_last_value_validate,
22002 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22004 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22005 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22006 count_reg_usage): Likewise.
22008 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22011 * final.c (leaf_renumber_regs_insn): Likewise.
22013 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22014 dump_edge_info, count_reg_references): Likewise.
22016 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22017 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22020 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22021 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22022 add_label_notes): Likewise.
22024 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22025 clear_struct_flag, count_sub_rtxs, count_alternatives,
22026 compares_alternatives_p, contained_in_p, walk_attr_value,
22027 write_expr_attr_cache): Likewise.
22029 * genconfig.c (walk_insn_part): Likewise.
22031 * genemit.c (max_operand_1, gen_exp): Likewise.
22033 * genextract.c (walk_rtx): Likewise.
22035 * genflags.c (num_operands): Likewise.
22037 * genoutput.c (scan_operands): Likewise.
22039 * genpeep.c (match_rtx): Likewise.
22041 * genrecog.c (add_to_sequence): Likewise.
22043 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22046 * integrate.c (save_constants, copy_for_inline,
22047 copy_rtx_and_substitute, subst_constants, restore_constants):
22050 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22051 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22053 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22056 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22057 add_label_notes, replace_call_address, count_nonfixed_reads,
22058 invariant_p, find_single_use_in_loop, find_mem_givs,
22059 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22062 * print-rtl.c (reg_names, print_rtx): Likewise.
22064 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22066 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22067 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22068 print_blocks): Likewise.
22070 * regclass.c (fix_register, record_address_regs,
22071 reg_scan_mark_refs): Likewise.
22073 * regmove.c (stable_but_for_p): Likewise.
22075 * reload.c (loc_mentioned_in_p, operands_match_p,
22076 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22077 copy_replacements, refers_to_regno_for_reload_p,
22078 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22079 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22082 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22083 delete_address_reloads_1, count_occurrences,
22084 reload_cse_mem_conflict_p, reload_combine_note_use,
22085 add_auto_inc_notes): Likewise.
22087 * resource.c (mark_referenced_resources, mark_set_resources):
22090 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22091 reg_mentioned_p, regs_set_between_p, modified_between_p,
22092 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22093 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22094 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22095 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22097 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22099 * stupid.c (stupid_mark_refs): Likewise.
22101 * unroll.c (remap_split_bivs): Likewise.
22103 * varasm.c (mark_constants): Likewise.
22105 * a29k/a29k.c (uses_local_reg_p): Likewise.
22107 * alpha/alpha.c (summarize_insn): Likewise.
22109 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22110 eliminate_lr2ip): Likewise.
22112 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22114 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22115 reg_mentioned_in_mem): Likewise.
22117 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22118 symbolic_reference_mentioned_p): Likewise.
22120 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22122 * sh/sh.c (regs_used, mark_use): Likewise.
22124 * vax/vax.c (vax_rtx_cost): Likewise.
22126 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22128 * machmode.h (mode_name): Constify a char*.
22130 * rtl.c (mode_name): Likewise.
22132 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22134 * optabs.c (init_libfuncs): Constify a char*.
22136 * print-tree.c (mode_name): Remove redundant declaration.
22137 (print_node): Use accessor macro, not `mode_name'.
22139 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22141 (new_spill_reg): Constify a char*.
22143 * tree.c (mode_name): Remove redundant declaration.
22145 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22147 * rtl.c (rtx_name): Constify a char*.
22149 * rtl.h (rtx_name, fix_sched_param): Likewise.
22151 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22152 (mypr): Use accessor macro, not `rtx_name'.
22154 * genemit.c (print_code): Constify a char*.
22156 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22158 * genpeep.c (print_code): Constify a char*.
22160 * genrecog.c (print_code): Likewise.
22162 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22163 end_bb): Add static prototype.
22164 (draw_edge): Constify a char*.
22165 (end_bb): Remove unused parameter.
22167 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22168 print_block_visualization): Constify a char*.
22170 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22172 * c-common.c (c_get_alias_set): Update comment.
22174 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22176 * linux.h (LIB_SPEC): Added.
22178 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22180 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22182 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22184 * tree.c (expr_check): Fix typo in last change.
22186 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22188 * rtl.def (NOTE): Change format to "iuu0n".
22189 (ADDR_DIFF_VEC): Change format to "eEee0".
22190 (ADDRESSOF): Change format to "eit".
22192 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22193 (RTVEC_ELT): Change to match.
22194 (XVECEXP): Use XVEC and RTVEC_ELT.
22195 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22196 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22197 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22198 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22199 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22200 (INTVAL): Use XWINT.
22201 (ADDRESSOF_DECL): Use XTREE.
22202 (SET_ADDRESSOF_DECL): Delete.
22203 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22204 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22205 ifdefed out since 2.6 at least.
22206 (gen_rtvec_vv): Delete prototype.
22208 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22210 (copy_most_rtx): Handle 't' format letter.
22211 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22212 (gen_rtvec_vv): Delete function. All callers changed to use
22213 gen_rtvec_v instead.
22214 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22215 the '0' format letter.
22217 * function.c (gen_mem_addressof): Don't use
22218 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22220 * integrate.c (copy_rtx_and_substitute): Likewise.
22221 Copy 't' slots with XTREE.
22222 (subst_constants): Treat 't' slots like '[swi]' slots.
22223 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22224 * jump.c (rtx_equal_for_thread_p): Likewise.
22225 * rtlanal.c (rtx_equal_p): Likewise.
22226 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22227 only four arguments.
22228 * gengenrtl.c (type_from_format): Provide correct types for
22232 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22233 If a recent gcc is in use (always in stage2 and beyond), use
22234 statement expressions, so we don't make a function call unless
22235 the check fails. Evaluate arguments exactly once.
22236 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22237 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22239 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22240 they evaluate their arguments exactly once, irrespective of
22241 the compiler in use.
22243 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22244 is used by the currently-enabled check macros. This is:
22245 (tree_check_failed, tree_class_check_failed): For gcc.
22246 (tree_check, tree_class_check, cst_or_constructor_check,
22247 expr_check): For other compilers.
22249 * gencheck.c: Do not define any *_CHECK1 macros.
22251 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22252 Mark Mitchell <mark@codesourcery.com>
22254 * c-common.c (c_get_alias_set): Fix support for poitners and
22257 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22259 * alias.c: Include tree.h.
22260 (nonlocal_reference_p, mark_constant_function): New functions.
22261 * flow.c (life_analysis): Call mark_constant_function.
22262 * rtl.h (mark_constant_function): Declare it.
22264 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22266 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22267 unrecognisable switches.
22269 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22271 * loop.c (recombine_givs): Set ix field after sorting.
22272 (recombine_givs): Remove bogus index / giv lockstep looping.
22274 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22276 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22278 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22279 (do_cmp_and_jump): Formatting fixes.
22280 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22281 do_compare_rtx_and_jump instead of compare_from_rtx.
22282 (do_compare_rtx_and_jump): New function; mostly copied from
22284 (do_jump_for_compare): Delete.
22285 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22287 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22288 of compare/do_jump_for_compare pairs.
22289 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22290 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22291 compare_from_rtx/do_jump_for_compare pairs.
22292 (do_jump_by_parts_equality): Likewise.
22293 (do_jump_by_parts_equality_rtx): Likewise.
22294 * expr.h (do_compare_rtx_and_jump): Declare.
22295 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22296 that used to be in emit_cmp_insn.
22297 (cmp_available_p): New function.
22298 (prepare_operand): New function.
22299 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22300 to be in emit_cmp_insn.
22301 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22302 parameters to be pointers; don't emit final compare but modify some of
22303 the values pointed to by the args so the caller can perform the
22304 correct comparison.
22305 (expand_binop): Call emit_store_flag_force with signed forms of
22307 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22308 emit_jump_insn pair.
22309 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22310 emit_cmp_and_jump_insn_1. Call emit_queue.
22311 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22313 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22314 jump sets cc0 before deleting it.
22315 * integrate.c (expand_inline_function): Likewise.
22316 * unroll.c (unroll_loop): Similar changes in several places.
22317 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22318 before deleting it.
22320 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22322 * Makefile.in (insn-recog.o): Update dependencies.
22323 * genrecog.c (main): Make generated file include "function.h".
22325 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22327 * cse.c (cse_insn): Call never_reached_warning when a jump is
22328 changed to be unconditional.
22329 * flags.h: Declare warn_notreached.
22330 * flow.c (delete_block): Call never_reached_warning when
22331 a block is deleted.
22332 * jump.c (delete_barrier_successors): Call never_reached_warning
22333 when we delete everything after a BARRIER.
22334 (never_reached_warning): New function.
22335 * rtl.h: Declare never_reached_warning.
22336 * toplev.c (warn_notreached): New variable.
22337 (lang_independent_options): Set warn_notreached
22338 when -Wunreachable-code.
22339 (compile_file): We need line numbers for -Wunreachable-code.
22341 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22343 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22344 * sched.c (insn_unit): Likewise.
22346 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22348 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22350 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22352 * flow.c (create_edge_list): Use xmalloc, not malloc.
22354 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22356 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22357 C-style comments. Do not lose the character before double slash.
22359 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22361 * basic-block.h (struct edge_list): Stucture to maintain a vector
22363 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22364 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22365 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22366 New function prototypes.
22367 * flow.c (create_edge_list): Function to create an edge list.
22368 (free_edge_list): Discards memory used by an edge list.
22369 (print_edge_list): Debug output showing an edge list.
22370 (verify_edge_list): Internal consistency check for an edge list.
22371 (find_edge_index): Function to find an edge index for a pred and succ.
22373 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22375 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22378 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22380 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22382 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22384 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22386 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22388 * toplev.c (rest_of_compilation): Allow machine dependent
22389 reorganisation pass to place information into the RTL dump
22390 file if it so wishes.
22392 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22394 * explow.c (hard_function_value): Use VOIDmode instead of
22396 * stmt.c (expand_return): Likewise.
22397 * stor-layout.c (get_best_mode): Likewise.
22399 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22400 emit call instead of emit_insn call.
22402 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22404 * configure.in: Handle --disable/enable-win32-registry.
22405 * install.texi: Document --disable/enable-win32-registry.
22406 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22407 (WIN32_REGISTRY_KEY): New macro.
22408 * prefix.c: Use to enable/disable win32-specific code.
22409 (lookup_key): Use versioned key.
22410 * configure: Regenerate.
22411 * config.in: Likewise.
22413 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22415 * cpplib.c (read_line_number): New fn, split out of...
22418 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22420 tree.c (lang_unsave_expr_now) : New.
22421 (unsave_expr_now): Call lang_unsave_expr_now.
22422 tree.h (lang_unsave_expr_now) : New.
22424 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22426 * toplev.c (flag_new_exceptions): On by default.
22428 1999-08-13 Michael Meissner <meissner@cygnus.com>
22430 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22432 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22434 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22435 INTEGER_TYPE with precision==1, it's __java_boolean.
22437 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22439 * global.c (prune_preferences): Move some invariants out of the
22442 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22444 * configure.in (alpha*-dec-osf*): Add osf5.
22446 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22448 * configure.in: Rework handling of ARM GNU/Linux slightly.
22449 (arm*-*-linux-gnuoldld): New target.
22450 * configure: Regenerate.
22451 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22452 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22453 * config/arm/linux-oldld.h: New file.
22454 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22455 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22457 * config/arm/linux-elf.h (ASM_SPEC): Define.
22458 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22459 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22460 for 26-bit APCS and old linker.
22461 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22463 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22464 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22465 don't define `arm' or `arm_elf'.
22466 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22467 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22469 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22471 * rtl.texi: Fix typo.
22473 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22475 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22477 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22479 * extend.texi (C++ Signatures): Remove node.
22480 * invoke.texi: Remove discussion of -fhandle-signatures,
22481 signature, sigof, __signature__, and __sigof__.
22483 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22485 * Makefile.in (JAVAGC): Removed.
22487 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22489 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22491 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22493 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22495 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22497 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22498 a register that is already known to be a pointer.
22500 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22502 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22503 * fixinc/inclhack.sh: Regenerated.
22504 * fixinc/fixincl.sh: Regenerated.
22506 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22508 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22509 Fix documentation of -ansi flag to describe its C++ behavior.
22510 Remove bogus reference to GCC 2.9.
22512 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22514 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22515 note if it is non-NULL.
22517 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22519 * except.h (eh_nesting_info): Add new structure defintion.
22520 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22521 (reachable_handlers, update_rethrow_references): Add function
22523 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22524 a rethrow symbol instead of an integer exception region number.
22525 * flow.c (Make_edges): Use new exception nesting routines to determine
22526 which handlers are reachable from a CALL or asynchronous insn.
22527 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22529 (delete_eh_regions): Update rethrow labels, and don't delete
22530 regions which are the target of a rethrow.
22531 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22532 avoid overloading the SYMBOL_REF_USED flag.
22533 (rethrow_symbol_map): Use new rethrow_ref field.
22534 (rethrow_used): Use new rethrow_ref field.
22535 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22536 of an integer. Fix formatting.
22537 (output_exception_table_entry): Use new rethrow_ref field.
22538 (can_throw): Check for EH_REGION_NOTE before deciding
22539 whether a CALL can throw or not.
22540 (scan_region): Call rethrow_used() instead of accessing data structure.
22541 (update_rethrow_references): New function to make sure only regions
22542 which are still targets of a rethrow are flagged as such.
22543 (process_nestinfo): New static function to initialize a handler
22544 list for a specific region.
22545 (init_eh_nesting_info): New function to allocate and initialize
22546 the list of all EH handlers reachable from all regions.
22547 (reachable_handlers): New function to retrieve the list of handlers
22548 reachable from a specific region and insn.
22549 (free_eh_nesting_info): New function to dispose of a list of
22550 reachable handlers.
22552 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22554 * flow.c (split_edge): Set JUMP_LABEL field.
22555 (commit_one_edge_insertion): Set head correctly for insert_before.
22556 When inserting insns, update insn block numbers if allocated.
22558 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22560 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22561 retry_incomplete_types): Add static prototype.
22562 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22563 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22564 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22565 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22566 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22569 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22570 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22572 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22574 * output.h (assemble_name): Constify a char*.
22576 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22577 assemble_variable, assemble_name): Likewise.
22579 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22581 * arm/pe.c (arm_pe_unique_section): Likewise.
22583 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22585 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22587 * i386/interix.c (i386_pe_unique_section): Likewise.
22589 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22591 * i386/winnt.c (i386_pe_unique_section): Likewise.
22593 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22595 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22597 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22599 * pa/pa.c (output_call): Likewise.
22601 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22603 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22605 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22608 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22611 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22613 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22614 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22616 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22618 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22620 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22622 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22624 * tree.h (lang_identify): Constify a char*.
22625 (print_error_function): Add extern prototype. Constify a char*.
22627 * c-lang.c (lang_identify): Constify a char*.
22629 * objc/objc-act.c (lang_identify): Constify a char*.
22631 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22633 * genpeep.c (main): Make generated file include "function.h".
22634 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22636 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22638 * Makefile.in: Update dependencies.
22639 * alias.c: Include "function.h"
22640 * c-decl.c: Likewise.
22641 * caller-save.c: Likewise.
22642 * calls.c: Likewise.
22643 * combine.c: Likewise.
22645 * explow.c: Likewise.
22646 * final.c: Likewise.
22647 * global.c: Likewise.
22648 * graph.c: Likewise.
22649 * local-alloc.c: Likewise.
22650 * loop.c: Likewise.
22651 * optabs.c: Likewise.
22652 * profile.c: Likewise.
22653 * recog.c: Likewise.
22654 * regclass.c: Likewise.
22655 * regmove.c: Likewise.
22656 * reload.c: Likewise.
22657 * reorg.c: Likewise.
22658 * resource.c: Likewise.
22659 * sched.c: Likewise.
22660 * stupid.c: Likewise.
22661 * config/1750a/1750a.c: Likewise.
22662 * config/a29k/a29k.c: Likewise.
22663 * config/arc/arc.c: Likewise.
22664 * config/arm/arm.c: Likewise.
22665 * config/arm/thumb.c: Likewise.
22666 * config/c4x/c4x.c: Likewise.
22667 * config/clipper/clipper.c: Likewise.
22668 * config/convex/convex.c: Likewise.
22669 * config/fx80/fx80.c: Likewise.
22670 * config/i860/i860.c: Likewise.
22671 * config/m68k/m68k.c: Likewise.
22672 * config/m88k/m88k.c: Likewise.
22673 * config/mips/mips.c: Likewise.
22674 * config/pdp11/pdp11.c: Likewise.
22675 * config/pyr/pyr.c: Likewise.
22676 * config/romp/romp.c: Likewise.
22677 * config/sh/sh.c: Likewise.
22678 * config/tahoe/tahoe.c: Likewise.
22679 * config/vax/vax.c: Likewise.
22680 * config/we32k/we32k.c: Likewise.
22681 * config/sparc/sparc.c: Include "function.h".
22682 (mem_min_alignment): Test current_function rather than
22683 regno_pointer_align.
22684 * config/pa/pa.c: Likewise.
22685 (compute_frame_size): Delete declaration of
22686 current_function_outgoing_args_size.
22687 * config/arc/arc.h (current_function_varargs): Delete declaration.
22688 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22690 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22692 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22693 current_function_uses_pic_offset_table.
22694 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22695 of current_function_returns_pointer.
22696 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22697 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22698 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22699 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22700 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22701 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22702 * config/m88k/m88k.c: Include "function.h"
22703 (call_used_regs, current_function_pretend_args_size,
22704 current_function_outgoing_args_size, frame_pointer_needed): Delete
22706 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22708 * config/mips/mips.h (current_function_calls_alloca): Delete
22710 * config/mn10200/mn10200.h (current_function_needs_context,
22711 rtx_equal_function_value_matters): Delete declarations.
22712 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22713 flag_pic): Delete declarations.
22714 * config/pa/pa.h (current_function_pretend_args_size,
22715 current_function_decl): Delete declarations.
22716 * config/pa/som.h (current_function_varargs): Delete declaration.
22717 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22719 * config/pyr/pyr.h (current_function_pretend_args_size,
22720 current_function_args_size, current_function_calls_alloca): Delete
22722 * config/sh/sh.h (current_function_varargs): Delete declaration.
22723 * config/sparc/sparc.h (current_function_outgoing_args_size,
22724 current_function_calls_alloca, current_function_decl): Delete
22726 * config/spur/spur.h (current_function_pretend_args_size,
22727 current_function_calls_alloca): Delete declarations.
22728 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22730 * config/vax/vms.h (current_function_name): Delete declaration.
22731 * gcse.c: Include "function.h".
22732 (current_function_name, current_function_calls_setjmp): Delete
22734 * haifa-sched.c: Include "function.h".
22735 (forced_labels): Delete declaration.
22736 * jump.c: Likewise.
22737 * reg-stack.c: Likewise.
22738 * reload1.c: Likewise.
22739 * genemit.c (main): Make generated file include function.h.
22740 * genoutput.c (output_prologue): Likewise.
22742 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22743 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22744 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22745 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22746 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22747 macros for some of them.
22748 (emit_filename, emit_lineno): Delete declarations.
22749 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22750 regno_pointer_* variables through current_function.
22751 (gen_inline_header_rtx): Delete function.
22752 (save_emit_status): Delete function.
22753 (set_new_last_label_num): New function.
22754 (clear_emit_caches): New function.
22755 (restore_emit_status): Just clear last_labelnum and call
22757 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22758 through macro seq_stack.
22759 (add_insn_after): Likewise.
22760 (add_insn_before): Likewise.
22761 (remove_insn): Likewise.
22762 (pop_topmost_sequence): Likewise.
22763 (in_sequence_p): Likewise.
22764 (start_sequence_for_rtl_expr): Likewise.
22765 (start_sequence): Likewise, and likewise for
22766 sequence_rtl_expr/seq_rtl_expr.
22767 (push_topmost_sequence): Likewise.
22768 (end_sequence): Likewise.
22769 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22770 All callers changed. Store into that pointer instead of globals.
22771 (init_emit): Allocate emit elt of current_function.
22772 Changes for sequence_rtl_expr/sequence_stack renaming.
22773 Call clear_emit_caches instead of doing it in-line.
22774 Access regno_pointer_* variables through current_function.
22775 (init_emit_once) Don't clear sequence_stack.
22777 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22779 (arg_pointer_save_area): Delete declaration.
22780 (finish_expr_for_function): Renamed from init_queue; no longer static.
22781 (init_expr): Don't call init_queue.
22782 (save_expr_status, restore_expr_status): Delete functions.
22783 (expand_expr): Changes to reflect new layout of struct function.
22784 Don't access current_function_check_memory_usage when current_function
22786 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22787 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22788 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22789 current_function_uses_const_pool, function_call_count,
22790 current_function_uses_pic_offset_table, nonlocal_labels,
22791 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22792 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22793 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22795 (finish_expr_for_function): Declare.
22796 * flags.h (current_function_has_nonlocal_label,
22797 current_function_has_nonlocal_goto, current_function_is_thunk,
22798 current_function_has_computed_jump): Delete declarations.
22799 * flow.c (forced_labels): Delete declaration.
22800 * function.c (current_function_pops_args,
22801 current_function_returns_struct, current_function_returns_pcc_struct,
22802 current_function_needs_context, current_function_calls_setjmp,
22803 current_function_calls_longjmp, current_function_has_nonlocal_label,
22804 current_function_has_nonlocal_goto, current_function_is_thunk,
22805 current_function_has_computed_jump, current_function_calls_alloca,
22806 current_function_contains_functions, current_function_returns_pointer,
22807 current_function_epilogue_delay_list, current_function_args_size,
22808 current_function_pretend_args_size, current_function_arg_offset_rtx,
22809 current_function_outgoing_args_size, current_function_varargs,
22810 current_function_stdarg, current_function_args_info, cleanup_label,
22811 current_function_name, current_function_uses_const_pool,
22812 current_function_instrument_entry_exit, current_function_return_rtx,
22813 current_function_uses_pic_offset_table, nonlocal_labels,
22814 current_function_internal_arg_pointer, current_function_cannot_inline,
22815 current_function_check_memory_usage, function_call_count,
22816 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22817 nonlocal_goto_stack_level, return_label, save_expr_regs,
22818 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22819 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22820 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22821 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22822 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22824 (push_function_context_to): Don't save them. Don't call
22825 save_storage_status, save_emit_status or save_expr_status.
22826 (pop_function_context_from): Don't restore them. Don't call
22827 restore_storage_status or restore_expr_status.
22828 (get_func_frame_size): New function.
22829 (get_frame_size): Use it.
22830 (assign_outer_stack_local): Reflect some member name changes in struct
22832 (put_reg_into_stack): Likewise.
22833 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22835 (fixup_var_refs): Likewise.
22836 (fix_lexical_addr): Likewise.
22837 (trampoline_address): Likewise.
22838 (prepare_function_start): Clear field inlinable of current_function.
22839 (init_function_for_compilation): New function.
22840 (expand_dummy_function_end): New function.
22841 (expand_function_end): Call finish_expr_for_function.
22842 * function.h (struct emit_status): New; fields moved here from struct
22843 function and from global variables. Add accessor macros for some of
22845 (struct expr_status): Likewise.
22846 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22847 (struct function): Add fields expr and emit, inlinable, inl_emit,
22848 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22849 inl_max_label_num. Add many comments.
22850 Add accessor macros for all elts of struct function that no longer
22851 have a global variable.
22852 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22853 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22854 stack_slot_list): Delete declarations.
22855 (get_func_frame_size): Declare.
22856 (save_expr_status, restore_expr_status, save_emit_status,
22857 save_storage_status, restore_storage_status): Delete declarations.
22858 (init_virtual_regs): Declare.
22859 * output.h (current_function_pops_args,
22860 current_function_returns_struct, current_function_returns_pcc_struct,
22861 current_function_needs_context, current_function_calls_setjmp,
22862 current_function_calls_longjmp, current_function_calls_alloca,
22863 current_function_has_nonlocal_label, current_function_varargs,
22864 current_function_has_computed_jump, current_function_returns_pointer,
22865 current_function_contains_functions, current_function_args_size,
22866 current_function_pretend_args_size, current_function_stdarg,
22867 current_function_outgoing_args_size, current_function_args_info,
22868 current_function_name, current_function_return_rtx,
22869 current_function_epilogue_delay_list,
22870 current_function_uses_const_pool, current_function_cannot_inline):
22871 Delete declarations.
22872 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22873 regno_reg_rtx): Delete declaration.
22874 (REGNO_POINTER_FLAG): Delete macro.
22875 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22876 function were renamed.
22877 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22879 * toplev.c: Include "function.h".
22880 (current_function_decl): Delete declaration.
22881 (compile_file): Call init_dummy_function_start and
22882 expand_dummy_function_end around some initializations that need to
22884 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22885 Call init_function_for_compilation.
22886 * unroll.c: Include "function.h"
22887 (unroll_loop): Access regno_pointer_* variables through
22890 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22891 (DECL_SAVED_INSNS): use it.
22892 (expand_dummy_function_end): Declare.
22893 (init_function_for_compilation): Declare.
22894 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22895 that it's no longer an INLINE_HEADER.
22896 (expand_call): Likewise.
22897 * integrate.c (finish_inline): Delete function.
22898 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22899 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22900 args. Don't generate an INLINE_HEADER rtx, just return the arg
22901 vector. All callers changed.
22902 (save_for_inline_copying): Create a duplicate struct emit_status to
22903 hold the emit state for compiling the current function. Use this and
22904 the other new fields in struct function that are for integration
22905 instead of an INLINE_HEADER.
22906 Use memcpy instead of bcopy.
22907 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22908 (save_for_inline_nocopy): Similar changes, except no new emit_status
22910 (expand_inline_function): Get information from function structure,
22911 not from an inline header rtx.
22912 (output_inline_function): Lose code to extract the necessary
22913 information from an inline header; simply put back the function
22914 structure into current_function. Clear its inlinable elt.
22915 * rtl.def (INLINE_HEADER): Delete.
22916 * rtl.h: Delete all accessors for an INLINE_HEADER.
22917 (gen_inline_header_rtx): Delete declaration.
22918 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22919 Delete declarations.
22920 (REGNO_POINTER_ALIGN): Delete.
22921 (clear_emit_caches): Declare.
22922 (set_new_last_label_num): Declare.
22924 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22926 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22928 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22929 * stmt.c (is_eh_region): Make sure current_function is present, too.
22931 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22933 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22934 for 64bit PA targets.
22936 * pa.h (SELECT_SECTION): Define.
22937 * som.h (SELECT_SECTION): Delete.
22939 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22941 * alias.c (init_alias_analysis): Wrap call to
22942 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22944 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22946 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
22947 <sys/asm.h> contains an asm comment with an apostrophe
22948 * fixinc/inclhack.sh: regen
22949 * fixinc/fixincl.x: regen
22951 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
22953 * function.c (init_function_start): Clear prologue & epilogue.
22954 (prologue_epilogue_contains): New function.
22955 * alias.c (init_alias_analysis): Use it.
22956 * rtl.h (prologue_epilogue_contains): Declare it.
22958 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
22960 * jump.c (onlyjump_p): New function.
22961 * rtl.h: Declare it.
22962 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
22963 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
22965 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
22967 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
22968 to invert loops. Simplify block scanning.
22970 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22972 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
22973 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
22975 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
22977 * config/sparc/liteelf.h: New file to support sparclite-elf target
22978 * config/sparc/t-sp86x: New file to support sparc86x targets
22979 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
22980 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
22981 * configure.in: Support above target triplets
22982 * configure: Regenerated
22984 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
22986 * fixinc/server.c (server_setup): Do not prefix function used as
22987 parameter with `&'.
22989 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
22991 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
22992 Remove fp reg alternatives.
22994 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
22996 * Makefiin (TAROUTOPTS): Kill.
22997 (install-headers-tar): Use "xpf" for tar headerfile extraction
22998 * i370/x-oe (TAROUTOPTS): Delete.
22999 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23000 * m68k/x-hp320 (TAROUTOPTS): Delete.
23001 * m68k/x-hp320g (TAROUTOPTS): Delete.
23002 * gcc.texi: Update bug reporting text.
23004 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23006 * reg-stack.c (change_stack) Fixed problem with negative array index.
23008 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23010 * extend.texi, install.texi: Fix spelling mistakes.
23012 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23013 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23014 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23015 PREMADE_ATTRTAB_MD.
23016 * mips/t-ecoff: Likewise.
23017 * mips/t-elf: Likewise.
23018 * mips/t-mips: Likewise.
23019 * mips/t-osfrose: Likewise.
23020 * mips/t-r3900: Likewise.
23021 * mips/t-svr3: Likewise.
23022 * mips/t-svr4: Likewise.
23023 * mips/t-ultrix: Likewise.
23025 * gcc.texi: Document recommend means to provide software floating
23026 point libraries in libgcc.a
23028 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23030 * c-lex.c (yylex): We can have a number with no digits.
23032 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23034 * jump.c (delete_prior_computation): New function, broken
23035 out of delete_computation. Check for side effects with
23036 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23037 multi-word hard registers.
23038 (delete_computation): Use it. Check for side effects with
23039 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23040 missing REG_DEAD note for a register which is both set and
23043 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23045 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23046 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23047 (ASM_FILE_START): Import _mcount with the right type.
23048 (ASM_DECLARE_FUNCTION_NAME): Define.
23049 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23050 * pa.c (output_function_prologue): Always emit the function's label
23052 * pa.h (TEXT_SPACE_P): Define.
23053 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23054 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23055 * som.h (TEXT_SPACE_P): Delete.
23056 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23057 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23059 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23061 * expr.c (emit_group_load): Allow src to be a CONCAT.
23063 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23065 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23066 (___mulsi3): Use '!' comment character.
23068 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23070 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23072 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23074 * gcc.c: Update URLs and mail addresses.
23075 * gcc.texi: Likewise.
23077 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23079 * rs6000.c (current_file_function_operand): Return zero for
23081 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23083 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23086 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23088 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23089 allocate space in the stack frame for the PIC register.
23091 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23093 * m68k.md (xordi3, anddi3): These patterns are not available on
23096 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23098 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23099 (PUT_REAL): Likewise.
23101 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23103 * final.c (shorten_branches): Don't add an alignment for loops
23104 that have no label inside.
23106 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23108 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23109 prototypes in macro HAVE_cmpstrsi.
23111 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23113 * emit-rtl.c (operand_subword): Remove unused variable
23116 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23118 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23120 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23122 * cpphash.c (macroexpand): Delete leading whitespace when arg
23123 is concatenated before.
23124 (unsafe_chars): Correct test for whether + and - can extend a
23127 * cppinit.c (cpp_start_read): Do dependencies for
23128 -include/-imacros files also.
23130 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23131 tokenizing non-directive lines.
23132 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23133 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23136 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23138 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23140 * c-lex.c: Sync with C++ frontend.
23141 (linemode): New variable.
23142 (parse_float): imag, conversion_errno, and type are output only.
23143 (yylex): Adjust. Move initial '.' case into main switch.
23145 (handle_generic_pragma): Just deal with tokens.
23146 (readescape): Use ISXDIGIT and ISGRAPH.
23147 * c-parse.in: Add END_OF_LINE token.
23149 * c-lex.c (lang_init): Generalize.
23150 (nextchar): Remove. Replace uses with UNGETC.
23151 (skip_white_space): Handle linemode here. Optimize for cpplib.
23152 (skip_white_space_on_line): Remove.
23153 (extend_token_buffer_to): New fn.
23154 (extend_token_buffer): Use it.
23155 (read_line_number, check_newline): Just deal with tokens.
23156 (token_getch, token_put_back): New fns.
23157 (yylex): Use them. More cpplib optimizations. Simplify.
23159 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23160 Jason Merrill <jason@yorick.cygnus.com>
23162 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23163 (consume_string): Make this smart about USE_CPPLIB.
23164 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23165 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23166 Also, clean up cases where we redundantly set token_buffer[0].
23167 (read_line_number): New fn.
23168 (ignore_escape_flag): New variable.
23170 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23172 * a29k/t-a29kbare: Fix some comments.
23173 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23174 (FPBIT, DPBIT): Define.
23175 * a29k/t-vx29k: Likewise.
23176 * arc/t-arc: Likewise.
23177 * arm/t-arm-elf: Likewise.
23178 * arm/t-bare: Likewise.
23179 * arm/t-pe: Likewise.
23180 * arm/t-pe-thumb: Likewise.
23181 * arm/t-semi: Likewise.
23182 * arm/t-thumb: Likewise.
23183 * arm/t-thumb-elf: Likewise.
23184 * arm/t-thumb-linux: Likewise.
23185 * h8300/t-h8300: Likewise.
23186 * i960/t-i960: Likewise.
23187 * i960/t-vxworks960: Likewise.
23188 * m32r/t-m32r: Likewise.
23189 * mips/t-ecoff: Likewise.
23190 * mips/t-elf: Likewise.
23191 * mips/t-r3900: Likewise.
23192 * pa/t-pro: Likewise.
23193 * rs6000/t-aix43: Likewise.
23194 * rs6000/t-beos: Likewise.
23195 * rs6000/t-newas: Likewise.
23196 * rs6000/t-ppccomm: Likewise.
23197 * rs6000/t-rs6000: Likewise.
23198 * rs6000/t-winnt: Likewise.
23199 * rs6000/t-xnewas: Likewise.
23200 * rs6000/t-xrs6000: Likewise.
23201 * sh/t-sh: Likewise.
23202 * sparc/t-elf: Likewise.
23203 * sparc/t-sparcbare: Likewise.
23204 * sparc/t-sparclite: Likewise.
23205 * sparc/t-splet: Likewise.
23206 * v850/t-v850: Likewise.
23207 * mn10200/t-mn10200: Fix comments.
23208 * mn10300/t-mn10300: Likewise.
23210 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23211 dummy operand. Allocate a new pseudo for the dummy operand.
23212 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23214 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23216 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23218 * configure: Rebuilt.
23219 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23221 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23223 * recog.c (preproces_constraints): Zero recog_op_alt before
23224 processing the constraints.
23226 * arm.c (typedef minipool_node): Renamed from pool_node.
23227 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23228 (add_minipool_constant): New function.
23229 (dump_minipool): New function.
23230 (find_barrier): Remove special case for getting the insn size of
23231 an insn that references the constant pool.
23232 (minipool_fixup): New structure.
23233 (push_minipool_barrier): New function.
23234 (push_minipool_fix): New function.
23235 (note_invalid_constants): New function.
23236 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23237 (arm_reorg): Rewrite code to fix up the constant pool into a
23238 series of mini-pools embedded in the insn stream.
23239 (arm_output_epilogue): New function, made mainly from the body
23240 of output_func_epilogue.
23241 (output_func_epilogue): Move insn generation part of epilogue code
23242 to arm_output_epilogue.
23243 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23244 * arm.md (pool_range): New attribute.
23245 (zero_extendqidi2): Add attribute pool_range.
23246 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23247 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23248 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23249 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23250 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23251 (epilogue): New expand.
23252 (epilogue_insn): New insn. Call arm_output_epilogue.
23254 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23255 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23257 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23259 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23261 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23263 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23265 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23267 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23269 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23271 * global.c: Fix comment.
23273 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23275 * gcc.c (access_check): New static function.
23276 (find_a_file): Use it when searching a directory list.
23277 * collect2.c (find_a_file): Don't accept directories found when
23278 searching a directory list.
23280 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23282 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23283 function parameters with `&'.
23284 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23286 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23288 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23289 or tidy_fallthru_edge if the last insn in the block is not
23290 an unconditional jump or a simple conditional jump.
23292 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23294 * Makefile.in (c-decl.o): Depends on defaults.h.
23296 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23298 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23300 (CLASS_MAX_NREGS): Likewise.
23302 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23304 * cse.c (cse_insn): Fix dumb thinko in last change.
23306 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23308 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23311 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23313 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23314 test for sizes of passed and declared parameter types.
23316 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23318 * fixincludes: Fix the return type of bsearch, char* -> void*.
23320 * fixinc/inclhack.def: Likewise.
23322 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23324 * invoke.texi (-fdump-translation-unit): New option.
23326 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23328 * expr.h (PROMOTE_PROTOTYPES): Move ...
23329 * defaults.h: ... to here.
23330 * c-decl.c: Include defaults.h instead of expr.h.
23331 * c-typeck.c: Include defaults.h.
23333 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23335 * toplev.h (errorcount): Declare.
23336 (warningcount): Likewise.
23337 (sorrycount): Likewise.
23338 * c-lex.c (errorcount): Don't declare.
23339 * dwarf2out.c (errorcount): Don't declare.
23341 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23343 * config/libgloss.h: Add a note discouraging use with ELF.
23344 * configure.in: Don't use libgloss.h for ELF targets.
23345 Always use_collect2 on a.out targets.
23347 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23349 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23350 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23352 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23354 * loop.c (strength_reduce): When doing biv->giv conversion, update
23355 reg note of NEXT->insn.
23357 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23359 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23361 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23363 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23364 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23365 Ensure expr.h is included.
23366 * c-typecheck.c (convert_arguments): Ditto.
23368 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23370 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23371 * config/convex/convex.h: Ditto.
23372 * config/dsp16xx/dsp16xx.h: Ditto.
23373 * config/fx80/fx80.h: Ditto.
23374 * config/gmicro/gmicro.h: Ditto.
23375 * config/i370/i370.h: Ditto.
23376 * config/i386/i386.h: Ditto.
23377 * config/m32r/m32r.h: Ditto.
23378 * config/m68k/m68k.h: Ditto.
23379 * config/m88k/m88k.h: Ditto.
23380 * config/mips/mips.h: Ditto.
23381 * config/pa/pa.h: Ditto.
23382 * config/pyr/pyr.h: Ditto.
23383 * config/tahoe/tahoe.h: Ditto.
23384 * config/we32k/we32k.h: Ditto.
23386 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23387 based on arch size.
23389 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23391 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23394 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23396 1999-08-02 Richard Henderson <rth@cygnus.com>
23398 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23399 for the register spill block.
23400 (m32r_va_arg): New.
23401 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23402 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23404 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23405 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23406 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23408 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23410 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23411 MAX_WCHAR_TYPE defined in sparc.h.
23412 * config/sparc/linuxaout.h: Likewise.
23413 * config/sparc/linux64.h: Likewise.
23414 Also default to -mvis if CPU is UltraSPARC.
23416 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23418 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23419 (RTX_OK_FOR_OLO10): Likewise.
23420 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23421 %lo(), allow it in addresses...
23422 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23423 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23424 does not make sense.
23425 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23426 (sparc_output_scratch_registers): New function.
23427 (output_function_prologue, sparc_flat_output_function_prologue): Use
23429 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23431 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23432 * configure.in: Add check for .register pseudo-op support in as and
23433 check for offsetable %lo().
23434 * acconfig.h: Add templates for the above checks.
23435 * configure: Regenerate.
23437 1999-08-02 Richard Henderson <rth@cygnus.com>
23439 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23440 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23441 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23443 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23445 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23448 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23450 * config/float-sparc.h: New file.
23451 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23452 sparc-*-linux-gnu and sparc64-*-linux*.
23454 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23456 * rs6000.c (rs6000_va_list): Type is an array.
23457 (rs6000_va_start): Don't doubly adjust for varargs.
23458 (rs6000_va_arg): Evaluate long long GPR adjustment.
23460 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23462 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23463 -maix64 and -maix32.
23464 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23465 LINK_SPEC): Change appropriately.
23466 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23467 (u_short_cint_operand): Likewise.
23468 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23470 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23472 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23474 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23476 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23477 for type promotion.
23478 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23479 (non_add_cint_operand): Likewise.
23480 (logical_operand): Likewise.
23481 (non_logical_cint_operand): Likewise.
23482 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23483 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23484 (rs6000_select_rtx_section): Suppress warning.
23485 (small_data_operand): Suppress warning.
23486 (rs6000_got_register): Suppress warning.
23487 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23488 type, so `J' is generally the wrong constraint for a SImode value;
23490 (andsi3_internal2): Likewise.
23491 (andsi3_internal3): Likewise.
23492 (iorsi3_internal1): Likewise.
23493 (xorsi3_internal1): Likewise.
23495 (movsf_softfloat): Likewise.
23496 (scc insns): Likewise.
23497 (movsi+2): Preserve sign bits of SImode constant.
23498 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23499 (movdf+1): Sign-extend properly.
23500 (movdi_32+1): Sign-extend properly.
23501 (scc insns): Sign-extend properly.
23503 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23506 1999-08-02 Richard Henderson <rth@cygnus.com>
23508 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23509 -mcpu parsing code.
23510 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23511 * alpha.md (all fp insns): Likewise.
23513 1999-08-02 Nick Clifton <nickc@cygnus.com>
23515 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23518 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23520 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23521 pic_load_label generator directly.
23522 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23523 No longer a named pattern.
23525 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23527 * explow.c (force_reg): Call force_operand if X does not
23528 satisfy general_operand.
23530 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23532 * fix-header.c (main): When testing for CONTINUED, use string
23533 equality, not pointer equality.
23535 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23537 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23539 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23541 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23542 that has become an unconditional jump.
23544 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23545 (output_function_epilogue): Similarly.
23547 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23549 * tree.h (init_dummy_function_start): Declare.
23551 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23553 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23554 last_expr_type, last_expr_value, block_start_count, block_stack,
23555 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23556 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23557 dynamically in stmt elt of struct function for each function.
23558 (struct nesting): Rename function_call_count elt to n_function_calls,
23559 target_temp_slot_level to block_target_temp_slot_level. All users
23561 (struct stmt_status): New structure definition.
23562 Add many accessor macros for stmt_status elements which previously
23563 were global variables.
23564 (init_stmt_for_function): Allocate stmt elt for current_function.
23565 Reflect that block_start_count was renamed to
23566 current_block_start_count.
23567 (save_stmt_status, restore_stmt_status): Delete functions.
23568 (preserve_subexpressions_p): Don't access loop_stack when outside
23570 (expand_start_bindings): Reflect that block_start_count was renamed to
23571 current_block_start_count.
23572 (expand_fixup): Likewise.
23573 (expand_decl): Don't access block_stack when outside a function.
23574 (expand_decl_cleanup): Likewise.
23575 (expand_dcc_cleanup): Likewise.
23576 (expand_dhc_cleanup): Likewise.
23577 (expand_anon_union_decl): Likewise.
23578 (set_file_and_line_for_stmt): New function.
23579 (in_control_zone_p): New function.
23581 * function.h (struct function): Add new elt stmt.
23582 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23583 case_stack, nesting_stack, nesting_depth, block_start_count,
23584 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23585 emit_lineno, goto_fixup_chain.
23586 (save_eh_status, restore_eh_status, save_stmt_status,
23587 restore_stmt_status): Delete declarations.
23588 * function.c (push_function_context_to): Don't call save_stmt_status.
23589 (pop_function_context_to): Don't call restore_stmt_status.
23590 * tree.h (in_control_zone_p): Declare.
23591 * rtl.h (set_file_and_line_for_stmt): Declare.
23593 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23594 call set_file_and_line_for_stmt.
23596 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23598 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23599 Also update copyright.
23601 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23603 * c-pragma.c: Don't include "except.h".
23604 * emit-rtl.c: Likewise.
23605 * stor-layout.c: Likewise.
23606 * tree.c: Likewise.
23607 * varasm.c: Likewise.
23609 * flow.c: Include "function.h".
23610 * tree.h (init_dummy_function_start): Declare new function.
23612 * except.h (struct eh_status): New structure.
23613 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23615 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23616 catch_clauses, false_label_stack, caught_return_label_stack,
23617 protect_list, current_function_ehc): Add accessor macros for the
23618 corresponding fields in current_function->eh; delete declarations
23619 for all items that used to be declared here.
23620 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23621 catch_clauses, false_label_stack, caught_return_label_stack,
23622 protect_list, current_function_ehc): Delete variables.
23623 (init_eh_for_function): Allocate current_function->eh.
23624 (save_eh_status, restore_eh_status): Delete functions.
23626 * function.h (struct function): Add fields next_global and eh.
23627 Delete all exception handling related fields.
23628 * function.c (current_function): New variable.
23629 (all_functions): New variable.
23630 (push_function_context_to): Don't allocate a struct function,
23631 use current_function instead. Call init_dummy_function_start when
23632 outside a function. Clear current_function before returning.
23633 (pop_function_context_from): Restore current_function.
23634 Don't free the restored struct function.
23635 (prepare_function_start): New function.
23636 (init_dummy_function_start): New function.
23637 (init_function_start): Break out some code into prepare_function_start
23640 * stmt.c (save_stmt_status): Don't call save_eh_status.
23641 (restore_stmt_status): Don't call restore_eh_status.
23643 * Makefile.in: Update dependencies.
23645 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23647 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23648 of depending on a magic constant value. Update comments.
23649 (hppa_expand_prologue): Similarly.
23651 * pa.md (reload_indi, reload_outdi): Allow any register for the
23652 original reload register.
23654 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23656 * cccp.c (print_help): Change marcos to macros.
23658 1999-07-30 Richard Henderson <rth@cygnus.com>
23660 * c-typeck.c (initializer_constant_valid_p): Move ...
23661 * c-common.c (initializer_constant_valid_p): ... here. Use
23662 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23663 of label addresses.
23664 * c-common.h (initializer_constant_valid_p): Declare.
23665 * c-tree.h (initializer_constant_valid_p): Remove.
23667 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23669 * config/i386/sol2-c1.asm: Align the stack.
23670 * config/i386/sol2-gc1.asm: Likewise.
23672 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23674 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23675 -Asparclite for sparc86x.
23676 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23678 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23680 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23682 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23683 the user if using the non-default arch size in BI_ARCH configuration.
23684 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23686 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23687 Fix patterns so that they actually match.
23688 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23689 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23690 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23692 (mulsidi3): Reflect this in the expand.
23693 (smulsi3_highpart): Only on TARGET_ARCH32.
23694 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23695 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23696 (umulsidi3): Reflect this in the expand.
23697 (umulsi3_highpart): Only on TARGET_ARCH32.
23698 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23699 don't require g0 to be zero.
23700 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23701 ({,u}divsi3): New expands.
23702 ({,u}divsi3_sp64): New patterns.
23703 (after lshrdi3_v8plus): Four new patterns to help combiner
23704 optimizing nested mixed mode shifts.
23706 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23707 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23708 speed things up. Don't use them by default on plain v9 in 64bit
23709 mode, according to what SPAMv9 sais.
23711 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23712 top 32 bits of %[og][0-7] in signal handlers.
23713 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23715 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23717 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23718 (ashlsi3): Corresponding changes.
23720 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23722 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23724 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23726 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23728 * arm.h (Hint): Delete macro.
23729 Substitute HOST_WIDE_INT for Hint in some prototypes.
23730 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23732 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23734 * builtins.c (expand_builtin_setjmp): Use force_operand to
23735 make sure that the buffer address is in a suitable form to be
23736 passed to force_reg.
23738 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23740 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23743 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23745 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23746 proper mode in the condition string.
23747 (icacheflush, dcacheflush): Remove modes from match_operands.
23749 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23750 proper mode before using it.
23752 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23755 * pa.c (store_reg): Do not call add_high_const generator directly.
23756 (load_reg, set_reg_plus_d): Likewise.
23757 * pa.md (add_high_const): No longer a named pattern.
23759 * pa.c (legitimize_address): Consistently use Pmode rather than
23760 SImode. Do not call gen_pic2_highpart directly anymore.
23761 * pa.md (pic2_highpart): No longer a named pattern.
23762 (pic2_lo_sum): Similarly. Reformat to make more readable.
23764 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23769 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23771 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23773 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23775 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23776 and tag the spill mems.
23777 (hppa_va_start): New.
23778 (hppa_va_arg): New.
23779 * pa.h (EXPAND_BUILTIN_VA_START): New.
23780 (EXPAND_BUILTIN_VA_ARG): New.
23782 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23784 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23785 and tag the spill mems.
23786 (mn10300_va_start): New.
23787 (mn10300_va_arg): New.
23788 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23789 (EXPAND_BUILTIN_VA_ARG): New.
23791 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23793 * mn10200.c (mn10200_va_arg): New.
23794 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23796 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23798 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23799 rather than play with TREE_INT_CST_LOW.
23801 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23803 * config/arm/telf.h: Include dbxelf.h.
23804 (CPP_PREDEFINES): Only define if not already defined.
23805 (ASM_IDENTIFY_GCC): Likewise.
23806 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23807 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23808 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23810 (DBX_DEBUGGING_INFO): Don't define.
23811 * config/arm/linux-telf.h: New file.
23812 * config/arm/linux-tgas.h: New file.
23813 * config/arm/t-thumb-linux: New file.
23814 * config/arm/uclinux-elf.h: New file.
23815 * config/arm/uclinux-telf.h: New file.
23816 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23817 thumb-*-uclinux): New targets.
23818 * configure: Regenerate.
23820 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23822 * pa.md (post_store, pre_load): New expanders.
23823 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23824 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23825 need to directly generate RTL for them.
23826 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23829 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23831 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23832 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23833 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23834 (secndary_reload_class): Make TARGET_ELF conditional compile.
23835 (print_operand_address): Similar.
23836 (output_toc): Print all values as hex.
23837 (get_issue_rate): Rearrange and add RS64A and PPC630.
23838 * rs6000.h (processor_type): Add RS64A and PPC630.
23839 (PROCESSOR_POWERPC64): New.
23840 (PROMOTE_MODE): Use word_mode.
23841 (RTX_COSTS): Add RS64A and PPC630.
23842 * rs6000.md (scheduling information): Add lmul and ldiv
23843 representing 64-bit integer multiply and divide. Add rs64a and
23844 PPC630 information.
23845 (ashldi3): Add support for "rldic" instruction.
23846 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23848 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23850 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23851 instead of V8 for sparclite86x in cpu_table.
23853 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23855 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23856 output_file_directive.
23858 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23860 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23861 tree for op1, not the rtl.
23863 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23865 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23866 to m88k_va_start, leaving only the register spill.
23867 (m88k_build_va_list): New.
23868 (m88k_va_start): New.
23869 (m88k_va_arg): New.
23870 * m88k.h (BUILD_VA_LIST_TYPE): New.
23871 (EXPAND_BUILTIN_VA_START): New.
23872 (EXPAND_BUILTIN_VA_ARG): New.
23874 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23876 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23877 Rename from expand_builtin_saveregs.
23878 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23880 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23882 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23883 for the register spill block.
23884 (i960_build_va_list): New.
23885 (i960_va_start): New.
23886 (i960_va_arg): New.
23887 * i960.h (BUILD_VA_LIST_TYPE): New.
23888 (EXPAND_BUILTIN_VA_START): New.
23889 (EXPAND_BUILTIN_VA_ARG): New.
23890 * i960.md (store_multiple): Use change_address on individul mems.
23892 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23894 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23896 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23897 (expand_builtin_va_end): Evaluate arg for side effects.
23898 * c-common.c (c_common_nodes_and_builtins): Construct a
23899 va_list_arg_type_node to handle array decomposition to pointer.
23901 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23903 * except.c (st_dynamic_cleanup): Use force_operand on the
23906 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23908 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23909 * c4x.c (c4x_va_arg): New.
23911 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23913 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23914 has manual_pop set.
23916 1999-07-26 Nathan Sidwell <nathan@acm.org>
23918 * eh-common.h (__eh_matcher): Prototype correctly.
23920 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23922 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23923 (TARGET_SINGLE_PIC_BASE): Likewise.
23924 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23926 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23927 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23928 (TARGET_OPTIONS): Add -mpic-register=N.
23929 (OUTPUT_INT_ADDR_CONST): New macro.
23930 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23931 LEGITIMATE_PIC_OPERAND_P): Likewise.
23932 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23933 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23934 output_addr_const directly.
23935 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23937 (thumb_pic_register, thumb_pic_register_string): Declare.
23939 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23941 (label_mentioned_p): New function: Imported from arm.c.
23942 (legitimize_pic_address): New function: Imported from arm.c.
23943 (is_pic):New function: Imported from arm.c.
23944 (thumb_finalize_pic):New function: Imported from arm.c.
23945 (add_constant): Cope with PIC constants.
23946 (fixit): Cope with PIC constants.
23947 (output_return): Do not treat the PIC register as live if
23948 TARGET_SINGLE_PIC_BASE is true.
23949 (thumb_function_prologue): Do not treat the PIC register as live if
23950 TARGET_SINGLE_PIC_BASE is true.
23951 (thumb_expand_prologue): Do not treat the PIC register as live if
23952 TARGET_SINGLE_PIC_BASE is true.
23953 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
23954 TARGET_SINGLE_PIC_BASE is true.
23955 (thumb_print_operand): Accept '|'.
23956 (thumb_override_options): Process PIC options.
23958 * config/arm/thumb.md (movsi): Support PIC.
23959 (call_insn): Change "i" constraint to "X".
23960 (call_value_insn): Likewise.
23961 (consttable_4, consttable_8, consttable_end): Set and clear
23962 "making_const_table" as appropriate.
23963 (pic_load_addr, pic_add_dot_plus_four): New insns.
23965 * invoke.texi (Thumb Options): Fix spelling. Document new
23966 options -msingle-pic-base and -mpic-register=.
23968 1999-07-26 Andrew Haley <aph@cygnus.com>
23970 * config/m32r/initfini.c (__init): Use a full word immediate for
23971 __fini: this allows it to be placed in any memory region.
23973 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
23974 -mmodel=medium. This is OK for all memory models.
23976 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
23978 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
23979 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
23981 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
23983 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
23986 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
23988 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
23990 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
23991 (BUILD_VA_LIST_TYPE): New.
23992 (EXPAND_BUILTIN_VA_START): New.
23993 (EXPAND_BUILTIN_VA_ARG): New.
23994 * i860.c (output_delayed_branch): Disable.
23995 (output_delay_insn): Likewise.
23996 (i860_saveregs): New.
23997 (i860_build_va_list): New.
23998 (i860_va_start): New.
23999 (i860_va_arg): New.
24000 * i860.md: Disable all peepholes using output_delayed_branch.
24001 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24003 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24005 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24006 (BUILD_VA_LIST_TYPE): New.
24007 (EXPAND_BUILTIN_VA_START): New.
24008 (EXPAND_BUILTIN_VA_ARG): New.
24009 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24010 Return the address of the save area.
24011 (clipper_build_va_list): New.
24012 (clipper_va_start): New.
24013 (clipper_va_arg): New.
24015 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24017 * arc.h (EXPAND_BUILTIN_VA_START): New.
24018 (EXPAND_BUILTIN_VA_ARG): New.
24019 * arc.c (arc_setup_incoming_varargs): Set alias set of
24021 (arc_va_start): New.
24024 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24026 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24027 (BUILD_VA_LIST_TYPE): New.
24028 (EXPAND_BUILTIN_VA_START): New.
24029 (EXPAND_BUILTIN_VA_ARG): New.
24030 * alpha.c (alpha_builtin_saveregs): Delete.
24031 (alpha_build_va_list): New.
24032 (alpha_va_start): New.
24033 (alpha_va_arg): New.
24035 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24037 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24039 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24040 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24042 * gcc.texi: More changes related to list conversion.
24043 * invoke.texi: Likewise.
24045 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24047 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24048 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24049 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24050 (stabilize_va_list): New function.
24051 (std_expand_builtin_va_start): New function.
24052 (expand_builtin_va_start): New function.
24053 (get_varargs_alias_set): New function.
24054 (std_expand_builtin_va_arg): New function.
24055 (expand_builtin_va_arg): New function.
24056 (expand_builtin_va_end): New function.
24057 (expand_builtin_va_copy): New function.
24058 (expand_builtin): Call them.
24059 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24060 __builtin_{varargs_start,stdarg_start,end,copy}.
24061 (build_va_arg): New function.
24062 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24063 (build_va_arg): Declare.
24064 * c-decl.c (ptr_type_node, va_list_type_node): New.
24065 * c-parse.gperf (__builtin_va_arg): New.
24066 * c-parse.in (VA_ARG): New token.
24067 (unary_expr): Recognize it.
24068 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24069 * expr.h (std_expand_builtin_va_start): Declare.
24070 (std_expand_builtin_va_arg): Declare.
24071 (expand_builtin_va_arg): Declare.
24072 (get_varargs_alias_set): Declare.
24073 * tree.def (VA_ARG_EXPR): New.
24074 * tree.h (BUILT_IN_VARARGS_START): New.
24075 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24076 (ptr_type_node, va_list_type_node): Declare.
24077 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24078 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24079 * m88k.h, m88k.c: Likewise.
24080 * mn10300.h, mn10300.c: Likewise.
24081 * pa.h, pa.c: Likewise.
24082 * rs6000.h, rs6000.c: Likewise.
24083 * sh.h, sh.c: Likewise.
24084 * sparc.h, sparc.c: Likewise.
24086 * emit-rtl.c (operand_subword): Copy alias set.
24087 (change_address): Likewise.
24089 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24091 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24092 not just the first one.
24094 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24096 * config/arm/arm.h (TARGET_SWITCHES): Add
24097 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24098 (TARGET_OPTIONS): Add -mpic-register=.
24099 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24100 (arm_pic_register_string): Declare.
24101 (NEED_PLT_GOT): Delete, replace with ...
24102 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24103 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24104 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24105 * config/arm/arm.c (arm_override_options): Add new option
24107 (arm_pic_register_string): New variable.
24108 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24109 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24110 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24111 (output_return_instruction): Likewise.
24112 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24113 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24114 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24116 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24117 mention of -msched-prolog. Document new options -msingle-pic-base
24118 and -mpic-register=.
24120 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24122 * haifa-sched.c (reemit_notes): Tidy.
24123 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24126 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24128 * explow.c (trunc_int_for_mode): New function.
24129 (plus_constant_wide): Use it.
24130 * combine.c (simplify_and_const_int): Likewise.
24131 (merge_outer_ops): Likewise.
24132 (simplify_shift_const): Likewise.
24133 * cse.c (simplify_unary_operation): Likewise.
24134 (simplify_binary_operation): Likewise.
24135 * emit-rtl.c (operand_subword): Likewise.
24136 * rtl.h: Declare it.
24138 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24140 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24141 (use NUM_REGS instead of NUM_INTS).
24143 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24145 * builtins.c: New file.
24146 * expr.c (saveregs_value, apply_args_value): Delete definition,
24147 moved into builtins.c.
24148 (string_constant): No longer static.
24149 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24150 apply_args_size, apply_result_size, result_vector,
24151 expand_builtin_apply_args, expand_builtin_apply,
24152 expand_builtin_return): Delete functions, moved into builtins.c.
24153 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24154 * expr.h (saveregs_value, apply_args_value): Declare variables.
24155 (expand_builtin, string_constant): Declare functions.
24156 * Makefile.in: Update to build builtin.o.
24158 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24160 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24161 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24162 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24163 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24165 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24168 1999-07-21 Michael Meissner <meissner@cygnus.com>
24170 * print-rtl.c (print_rtx): Print the names of the virtual
24173 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24175 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24176 introduced in previous delta.
24178 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24180 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24181 to avoid name clash.
24183 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24185 * c-lex.c (yylex) : Correct the test for overflow when lexing
24188 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24190 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24191 (adjust_priority): Always call ADJUST_PRIORITY.
24192 (schedule_insn): Only put insns into the ready at cost 0.
24193 (schedule_block): Remove redundant initial sort. Give clock_var
24194 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24196 * tm.texi (MD_SCHED_REORDER): Update docs.
24198 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24199 * sparc.c (ultra_reorder_called_this_block): Delete.
24200 (ultrasparc_sched_init): Don't set it.
24201 (ultrasparc_sched_reorder): Don't check it.
24203 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24205 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24206 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24207 (function_arg_boundary): Align DFmode.
24208 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24209 to get fp reg and stack overflow correct.
24210 (function_arg): Likewise.
24211 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24212 (setup_incoming_varargs): Restructure for ABI_V4; use
24213 function_arg_advance to skip final named argument.
24214 (expand_builtin_saveregs): Properly unskip the last integer arg
24215 when doing varargs. Adjust overflow location calculation.
24217 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24218 explicitly unsigned.
24219 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24220 (__VA_GP_REGSAVE): Similarly.
24221 (__va_longlong_p): Delete.
24222 (__va_arg_type_violation): New declaration.
24223 (va_arg): Restructure. Flag promotion errors. Align double.
24224 TFmode passed by reference.
24226 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24227 in the HOST_BITS_PER_WIDE_INT > 32 case.
24229 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24231 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24233 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24235 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24236 * toplev.c (documented_lang_options): Add -fpreprocessed.
24237 * cpplib.h (struct cpp_buffer): Add preprocessed.
24238 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24239 (cpp_start_read): Don't expand macros or emit an initial #line
24240 directive if -fpreprocessed.
24242 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24244 * cpplib.h (struct cpp_buffer): Added manual_pop for
24245 better C++ tokenization.
24246 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24247 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24248 * c-common.c (cpp_token): Make non-static.
24250 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24252 * c-common.h: New file.
24253 * c-common.c (permanent_obstack): Delete unused declaration.
24254 (c_global_trees): New array.
24255 (c_common_nodes_and_builtins): New function; split off common code
24256 from init_decl_processing in both c-decl.c and cp/decl.c.
24257 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24258 c_global_trees and accessor macros defined in c-common.h.
24259 Include c-common.h.
24260 * c-decl.c: Delete definitions for tree nodes that were replaced by
24262 (init_decl_processing): Build void_list_node.
24263 Call c_common_nodes_and_builtins; delete code to generate the common
24265 * objc/objc-act.c (build_module_descriptor): Rename variable
24266 void_list_node to avoid clash with c-common.h.
24268 * Makefile.in: Update dependencies.
24269 * objc/Make-lang.in: Likewise.
24271 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24273 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24274 (UNIQUE_SECTION_P): Likewise.
24275 (UNIQUE_SECTION): Likewise.
24277 1999-07-19 Linas Vepstas <linas@linas.org>
24279 * config/i370/README: New file.
24280 * config/i370/linux.h: New file.
24281 * config/i370/mvs.h: New file.
24282 * config/i370/oe.h: New file.
24283 * config/i370/t-linux: New file.
24284 * config/i370/t-mvs: New file.
24285 * config/i370/t-oe: New file.
24286 * config/i370/x-oe: New file.
24287 * config/i370/xm-linux.h: New file.
24288 * config/i370/xm-mvs.h: New file.
24289 * config/i370/xm-oe.h: New file.
24291 * i370.c (label_node_t): Add first_ref_page, label_addr,
24292 label_first_ref, label_last_ref members.
24293 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24294 (MAX_MVS_LABEL_SIZE): Define.
24295 (MAX_LONG_LABEL_SIZE): Define.
24296 (alias_node_t, alias_anchor, alias_number): New.
24297 (mvs_function_table): Reorder for EBCDIC.
24298 (ascebc, ebcasc): Unconditionally define.
24299 (i370_branch_dest, i370_branch_length): New functions.
24300 (i370_short_branch, i370_label_scan): New functions.
24301 (mvs_get_label): Renamed from mvs_add_label. Search for
24302 an existing label before creating a new one.
24303 (mvs_add_label): New function.
24304 (mvs_get_label_page): New function.
24305 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24306 over the entire list.
24307 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24308 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24309 (mvs_add_alias, mvs_need_alias): New functions.
24310 (mvs_get_alias, mvs_check_alias): New functions.
24311 (handle_pragma): New function.
24312 (mvs_function_check): New function.
24313 (unsigned_jump_follows_p): Search harder.
24314 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24315 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24316 * i370.h (TARGET_VERSION): Delete.
24317 (CPP_SPEC, CPP_PREDEFINES): Delete.
24318 (mvs_label_emitted): Delete.
24319 (TARGET_EBCDIC): Delete.
24320 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24321 (HANDLE_PRAGMA): Define.
24322 (HARD_REGNO_NREGS): Handle complex modes.
24323 (HARD_REGNO_MODE_OK): Likewise.
24324 (CLASS_MAX_NREGS): Likewise.
24325 (RET_REG): Likewise.
24326 (EXTRA_CONSTRAINT): Define.
24327 (RETURN_IN_MEMORY): True for DImode.
24328 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24329 (FUNCTION_PROFILER): Delete.
24330 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24331 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24332 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24333 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24334 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24335 (ASM_FILE_START): Add "RMODE ANY".
24336 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24337 (ASM_GLOBALIZE_LABEL): Likewise.
24338 (ASM_OUTPUT_LABELREF): Likewise.
24339 (ASM_OUTPUT_COMMON): Likewise.
24340 (PRINT_OPERAND): Handle 'K', 'W', default.
24341 (PRINT_OPERAND_ADDRESS): New.
24342 (Lots of defines): Add support for TARGET_ELF_ABI.
24343 * i370.md (attr length): New. Define for all patterns.
24344 (*): Lots of tweeks to assembly output and constraints.
24346 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24348 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24349 Disable patterns performing SImode comparisons with SImode values
24350 if TARGET_POWERPC64 and instruction does not sign-extend or does
24351 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24352 differ for signed quantities.
24353 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24354 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24355 (decrement_and_branch_on_count): Add 64-bit variant.
24357 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24359 * final.c (output_asm_insn): When searching for the matching string
24360 for a given dialect, don't run past the end of the list of
24361 alternatives if there are fewer alternatives in the template than
24364 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24366 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24367 Removed paragraph about compression of files and size limitation,
24368 duplicated in the FAQ. Use gcc-patches for posting patches.
24369 * gcc.c (main): Updated URL with bug reporting instructions to
24370 gcc.gnu.org. Removed e-mail address.
24371 * system.h (abort): Likewise.
24373 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24375 * Makefile.in (stmp-multilib-sub): Make the files extracted
24376 from $(LIBGCC1) writable.
24378 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24380 * config/arm/aout.h: Reformat for improved readability.
24382 * config/arm/arm.h: Reformat for improved readability.
24383 Replace uses of fprintf with asm_fprintf where appropriate.
24384 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24385 function declaration assembler actions.
24386 (NUM_INTS): New macro: Convert from bytes to words.
24387 (NUM_REGS): New macro: Compute number of registers required to
24388 hold a quanitity of tyep MODE.
24389 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24391 (NUM_ARG_REGS): New macro: The number of argument registers
24393 (ARG_REGISTER): New macro: Compute the register number of the Nth
24395 (LAST_ARG_REGNUM): New macro: The number of the last argument
24397 (SP_REGNUM): New macro: Register number of the stack pointer.
24398 (FP_REGNUM): New macro: Register number of the frame pointer.
24399 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24400 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24401 CUMULATIVE_ARGS so that it counts registers not bytes.
24403 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24405 Replace uses of fprintf with asm_fprintf where appropriate.
24406 (output_ascii_pseudo_op): Replace with version from thumb.c
24408 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24410 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24411 SUBTARGET_CPP_SPEC.
24412 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24413 (ASM_FILE_START): Emit ASM_APP_OFF.
24415 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24417 * pa.c (compute_frame_size): Round frame according to
24418 STACK_BOUNDARY rather than a hardwired value.
24420 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24422 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24424 * configure: Rebuilt.
24426 * configure.in (hppa*-*-linux*): New configuration.
24427 * configure: Rebuilt.
24428 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24429 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24430 * pa/pa-linux.h: New file.
24431 * pa/t-linux: New file.
24432 * pa/xm-linux.h: New file.
24434 * pa.c (hppa_legitimize_address): Change references from SImode to
24435 either Pmode or word_mode as appropriate.
24436 (emit_move_sequence, store_reg, load_reg): Likewise.
24437 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24438 (output_mul_insn): Likewise.
24439 * pa.h (PROMOTE_MODE): Likewise.
24440 (INITIALZE_TRAMPOLINE): Likewise.
24441 (Pmode): Define to word_mode.
24443 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24444 value of 4. Allocate 8 bytes for each FP register save.
24445 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24447 (hppa_expand_prologue): Likewise.
24448 * pa.h (PROMOTE_MODE): Likewise.
24449 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24450 (FUNCTION_ARG_BOUNDARY): Likewise.
24452 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24454 * pa.c (out_of_line_prologue_epilogue): Delete.
24455 (override_options): Remove -mspace related code.
24456 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24457 (compute_frame_size): Only allocate space for register that
24458 actually need to be saved.
24459 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24460 (TARGET_SWITCHES): Remove -mspace, -mno-space
24461 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24462 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24463 * pa/ee.asm, pa/ee_fp.asm: Delete.
24465 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24467 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24468 directive in column zero.
24470 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24472 * m68k.c (output_function_prologue): Fix computation of save mask
24473 when generating PIC code.
24475 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24477 * tree.c (build_type_attribute_variant): Move current_obstack restore
24478 after build_qualified_type call.
24480 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24482 * configure.in: Use t-iris6, even with GNU LD.
24483 * config/mips/iris6gld.h: Fix typo in linker spec.
24484 * config/mips/t-iris6gld: Remove.
24486 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24488 * rs6000.md (insv, extzv): Remove SImode dependence in named
24489 patterns. Explicitly generate DImode RTL if PowerPC64 and
24491 (insvdi): Reverse start and size in instruction template.
24493 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24495 * invoke.texi: Typo fixes.
24497 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24499 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24500 handle at this time instead of silently generating incorrect code.
24501 (gen_imagpart): Likewise.
24503 * reload.c (find_reloads): Emit a USE for a pseudo register without
24504 a hard register if we could not create an optional reload for the
24507 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24509 * c-typeck.c (output_init_element, process_init_element):
24510 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24511 check for nameless bit fields.
24513 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24515 * regclass.c (scan_one_insn): Notice subregs that change the
24516 size of their operand.
24517 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24519 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24521 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24522 * configure: Rebuilt.
24523 * alpha/t-ieee: New file.
24525 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24527 * rs6000.c (find_addr_reg): Do not select r0 as an address
24530 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24532 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24534 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24536 * rs6000.md (movsf): Do not force easy FP constants into memory.
24538 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24539 immed_double_const to ensure they are properly truncated then
24542 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24544 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24545 always unless NO_DEBUG is used. Compile this code
24547 (replace_symbols_in_block): Compile it unconditionally.
24549 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24551 * configure.in (i?86-*-elf*): New target.
24552 * configure: Rebuilt.
24553 * i386/i386elf.h, i386/t-i386elf: New files.
24555 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24557 * toplev.c (main): Don't complain about saying -gdwarf.
24558 (rest_of_compilation): Remove redundant code.
24560 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24562 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24564 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24566 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24567 "Li960R:", to avoid name clash.
24569 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24571 * loop.c (check_dbra_loop): When reversing a loop, delete all
24572 REG_EQUAL notes referencing the reversed biv except those which are
24573 for a giv based on it.
24575 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24577 * version.c: Drop "gcc-" prefix from version #.
24579 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24581 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24582 the label if we're being verbose.
24584 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24586 * m68k.c (output_function_prologue): Add pic register to mask
24587 if live and flag_pic.
24588 (output_function_epilogue): Likewise.
24590 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24592 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24593 directives in column zero.
24595 * pa/elf.h (ASM_FILE_START): Define.
24596 * pa/som.h (ASM_FILE_START): Include .level directives.
24597 * pa/hpux10.h (ASM_FILE_START): Delete.
24598 * pa/hpux11.h (ASM_FILE_START): Delete.
24600 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24602 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24604 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24605 when reload_out equals reload_in.
24607 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24609 * invoke.texi (Spec Files): New node: Describe the contents of
24612 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24614 * invoke.texi (DEC Alpha Options): Put @end table at
24615 beginning of line, to avoid confusing texi2html.
24617 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24619 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24620 introduced in previous delta.
24622 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24624 * reload1.c (gen_reload): When synthesizing a 3 operand add
24625 sequence, improve test for when to reload OP1 into the reload
24626 register instead of OP0.
24628 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24630 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24632 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24634 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24637 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24639 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24640 (va_dcl): Use __builtin_va_alist_t.
24642 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24644 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24645 on the permanent_obstack.
24646 * dwarfout.c (output_type): Likewise.
24648 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24650 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24651 Merged from c-typeck.c and cp/typeck.c.
24652 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24653 Merged into c-common.
24655 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24657 * c-lex.c (errorcount): Declare it.
24658 (finish_parse): Update errorcount when using CPPLIB.
24660 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24662 * fixinc/inclhack.def(end_else_label): Double the backslash so
24663 sed gets a chance to see it.
24664 * fixinc/inclhack.sh: regen
24665 * fixinc/fixincl.x: regen
24667 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24669 Add framework to support armv5 architecture when it becomes
24672 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24673 (arm_arch5): New variable.
24674 (all_architectures): Add armv5 line.
24675 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24676 -march=armv5 is specified on the command line.
24677 (arm_arch5): Export this variable.
24678 * invoke.texi: Document new string accepted by -march= switch for
24681 * config/arm/arm.h: Replace use of constant 12 as a register
24682 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24683 * config/arm/arm.c: Replace use of constant 12 as a register
24684 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24686 * config/arm/elf.h: Tidy up.
24687 * config/arm/coff.h: Tidy up.
24689 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24691 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24692 * gcc/config/mips/t-iris6gld: New file.
24693 * gcc/config/mips/iris6gld.h: Likewise.
24695 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24697 * c-decl.c (widest_integer_literal_type_node,
24698 widest_unsigned_literal_type) : New.
24699 (init_decl_processing): Handle/use the two new types.
24700 * c-common.c (type_for_size,type_for_mode) : Same.
24701 * c-lex.c (yylex) : Same.
24702 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24704 * c-tree.h (widest_integer_literal_type_node,
24705 widest_unsigned_literal_type) : New.
24707 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24709 * dwarfout.c (field_byte_offset): Correctly compute the object's
24710 byte offset for the first bit of a field which crosses an alignment
24711 boundary on a !BYTES_BIG_ENDIAN target.
24713 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24715 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24718 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24719 Jeff Law <law@cygnus.com>
24721 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24724 * except.c: Include intl.h.
24725 (expand_eh_return): Set current_function_cannot_inline.
24726 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24727 * function.h (struct function): Add eh_return_stub_label.
24728 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24729 * Makefile.in (except.o): Depend on intl.h.
24731 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24733 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24734 same as offsettable in cases 1 and 2.
24736 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24738 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24739 (extlh, extwh): Likewise.
24741 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24743 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24745 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24747 * configure.in: Add arm-pe and thumb-pe targets.
24748 * configure: Regenerate.
24750 * thumb.c (arm_naked_function_p): New function: Determines if
24751 a function is naked (has no gcc generated prologue/epilogue).
24752 (is_called_in_ARM_mode): Return true if the func has the
24753 interfacearm attribute.
24754 (output_return): Do not generate a return for naked functions.
24755 (thumb_function_prologue): Do not generate a prologue for
24757 (thumb_expand_prologue): Do not generate a prologue for naked
24759 (thumb_expand_epilogue): Do not generate an epilogue for naked
24761 (arm_valid_machine_decl_attribute): New function, copied from
24762 arm.c: Permit naked and interfacearm attributes.
24764 * config/arm/pe.c: New file: Support code for arm-pe target.
24765 * config/arm/pe.h: New file: Header file for arm-pe target.
24766 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24767 * config/arm/t-thumb-pe: New file: Makefile fragment for
24770 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24772 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24773 -fPIC or -fpic is specified.
24775 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24777 * expr.c (emit_block_move): Use copy_to_mode_reg for
24778 !TARGET_MEM_FUNCTIONS case too.
24780 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24782 * configure: Rebuilt.
24783 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24784 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24785 definitions made redundant by dbxelf.h inclusion. Delete
24786 lots of definitions related to assembly output that are
24787 specific to the SOM object format.
24788 * pa.c (output_function_prologue): Do not emit the function's
24790 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24791 * pa-pro.h: Deleted.
24792 * som.h: New file with SOM specific definitions.
24793 * elf.h: New file with ELF specific definitions.
24795 * elfos.h (const_section): Output a tab before assembler directives.
24796 (ctors_section, dtors_section): Likewise.
24797 (ASM_OUTPUT_SECTION_NAME): Likewise.
24799 * pa/pa1.h: Delete unused file.
24801 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24803 * configure.in (hppa*-hp-hpux11*): New configuration.
24804 * configure: Rebuilt.
24805 * pa/pa-hpux11.h: New file.
24806 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24809 * mips.md (leasi, leadi): New patterns.
24811 * expr.c (emit_block_move): Properly handle case where one of the
24812 block move arguments has a queued increment or decrement.
24813 (clear_storage): Similarly. Fix formatting goof.
24815 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24817 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24818 semicolon from the BSD VA_LIST replacement expression.
24820 * fixinc/inclhack.sh: regen
24821 * fixinc/fixincl.x: regen
24823 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24824 now use the fixincl program.
24826 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24828 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24829 case. Also make the PIC register call_used.
24831 * m68k.h (FINALIZE_PIC): Delete.
24832 * m68k.c (finalize_pic): Delete.
24834 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24836 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24839 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24841 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24843 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24845 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24847 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24849 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24851 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24853 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24855 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24857 * rs6000.c (output_toc): Always use hex values for floating-point
24858 constants. Store single-precision values in upper-half of TOC
24859 entry in 64-bit mode.
24860 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24861 to final constraints.
24862 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24863 (fctiwz): Improve accuracy of RTL for pattern.
24865 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24867 * expr.c (expand_expr): Allow RTL_EXPR's through the
24868 MAX_INTEGER_COMPUTATION_MODE checks.
24870 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24872 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24873 such that MASK_SUPPORT_ARCH is not negative.
24875 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24877 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24878 ADDR_DIFF_VEC insns that appear inside loops.
24880 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24881 Jeff Law <law@cygnus.com>
24883 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24884 Handle LO_SUM the same as offsettable in cases 1 and 2.
24885 * rs6000.c (find_addr_reg): Revert previous patch.
24887 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24889 * system.h (strstr): New external function declaration.
24890 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24891 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24892 * config.in, configure: Rebuilt.
24894 1999-06-24 Tom Tromey <tromey@cygnus.com>
24896 * gcc.c (main): Read user-specified specs files after computing
24897 additional startfile_prefixes.
24899 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24901 Revert these two patches:
24903 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24904 * loop.c (strength_reduce): When doing biv->giv conversion, update
24905 reg note of NEXT->insn.
24907 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24908 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24910 (recombine_givs): Set ix field after sorting.
24912 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24914 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24915 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24917 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24919 *fixinc/inclhack.def: Add fix development commentary
24920 (read_ret_type): reactivate and add selection clause
24921 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24922 *fixinc/{fixincl.x|inclhack.sh}: regen
24924 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24926 * expr.c (expand_expr): STRIP_NOPS before checking against
24927 MAX_INTEGER_COMPUTATION_MODE
24928 (check_max_integer_computation_mode): Likewise.
24930 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24932 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24934 1999-06-22 Jim Wilson <wilson@cygnus.com>
24936 * expr.c (store_expr): When target is a promoted subreg, return a
24937 promoted subreg as a result.
24939 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24941 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24943 (dwarf2out_define): Mark unused parameters appropriately.
24944 (gen_unspecified_parameters_die): Ditto.
24945 (gen_subprogram_die): Fix signed/unsigned warnings.
24946 (gen_variable_die): Ditto.
24948 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
24950 * fixinc/inclhack.def(end_else_label): combined else_label
24951 and endif_label and fixed the sed expression.
24952 *fixinc/{fixincl.x|inclhack.sh}: regen
24954 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
24956 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
24957 'x' when handling non-offsettable addresses
24959 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
24961 * final.c (shorten_branches): Don't try to split an insn that has
24964 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
24966 * config/mips/mips.c (symbolic_expression_p): New function.
24967 (mips_select_rtx_section): Put symbolic expressions in the
24968 data section, not the read-only data section.
24970 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
24972 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
24974 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
24976 * collect2.c (main): Log frame table count.
24977 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
24978 (scan_prog_file) [COFF]: Handle frame tables.
24980 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
24981 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
24982 * alpha/elf.h: Undef them again.
24983 * alpha/vms.h: Remove their definitions.
24985 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24987 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
24988 remove the clobber of r0 and change the REG_UNUSED note to
24991 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
24993 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
24994 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
24995 fits in HOST_WIDE_INT and one uses union to access a long constant
24998 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25000 * sparc.c (sparc_override_options): Don't allow profiling for
25001 code models other than medlow.
25002 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25003 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25004 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25005 (sparc_block_profiler): Likewise.
25006 (sparc_function_block_profiler_exit): Likewise.
25007 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25008 (FUNCTION_BLOCK_PROFILER): Likewise.
25009 (BLOCK_PROFILER): Likewise.
25010 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25011 (MCOUNT_FUNCTION): New.
25012 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25013 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25014 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25015 (MCOUNT_FUNCTION): New.
25016 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25017 (BLOCK_PROFILER): Delete.
25018 (MCOUNT_FUNCTION): New.
25020 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25022 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25024 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25026 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25029 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25032 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25035 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25038 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25040 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25043 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25045 * i386/djgpp.h (LIB_SPEC): New.
25046 (STARTFILE_SPEC): New.
25048 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25050 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25052 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25055 * system.h (WSTOPSIG): New macro.
25057 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25059 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25061 (insert_pack_attributes): Take into account member natural
25064 * i386/winnt.c (exports_head): New static variable.
25065 (i386_pe_record_exported_symbol): New function.
25066 (i386_pe_asm_file_end): Use.
25067 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25068 symbols to be emitted at end of assembly.
25069 (ASM_DECLARE_OBJECT_NAME): Likewise.
25070 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25072 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25075 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25077 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25080 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25082 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25083 zapping reg_last_uses directly.
25084 (sched_analyze_2, sched_analyze_insn): Likewise.
25085 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25087 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25089 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25090 attributes for cases 1 and 2.
25092 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25094 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25097 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25099 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25101 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25103 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25104 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25105 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25106 must be stacked if it is used for PIC accesses.
25107 * arm.c (use_return_insn): Handle PIC register specially.
25108 (output_return_instruction): Likewise.
25109 (output_func_{prologue,epilogue}): Likewise.
25110 (output_expand_prologue): Likewise.
25112 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25113 (*strsi_predec): Renamed from *strqi_predec.
25114 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25115 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25117 * arm.c (arm_override_options): Remove warning about PIC code
25118 not being supported.
25120 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25122 * rs6000.c (find_addr_reg): New function.
25123 * rs6000.h (find_addr_reg): Declare.
25124 (offsettable_addr_operand): Delete.
25125 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25126 from and stores to GPRs.
25128 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25130 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25131 gen_sequence as argument to emit_no_conflict_block.
25133 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25135 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25136 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25137 *fixinc/fixincl.x: regen
25138 *fixinc/inclhack.sh: regen
25140 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25142 * added support for -mpcrel (PC relative addressing for m68k)
25143 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25144 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25145 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25146 (comments for general_src_operand): Add some explanation
25147 about EXTRA_CONSTRAINTS.
25148 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25149 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25150 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25151 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25152 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25153 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25154 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25155 if not already set.
25156 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25157 * m68k.h (TARGET_PCREL): New target flag.
25158 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25159 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25160 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25161 contains a SYMBOL_REF. Relax this constraint during reload, since
25162 we want to use the predicates, not reload's built-in concept of a
25163 valid memory address, to control what insns need reloading.
25164 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25165 operands (essentially 'g', 'm', and 's' under normal circumstances).
25166 * m68k.c (print_operand): Cause printing of pc-relative addresses
25167 to include pc register.
25168 (print_operand_address): Ditto.
25169 (general_src_operand): Accept operands that are not only
25170 general_operands, but are also valid when used as a pc-relative
25172 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25173 (memory_src_operand): Similar, for memory_operands.
25174 (pcrel_address): New predicate to accept the special case of a
25175 pc-relative address.
25176 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25177 QImode insns to accept *_src_operand instead of *_operand where
25178 pc-relative operands can fit. For example, a pc-relative operand
25179 can be used as a memory source operand for addsi3, but not as a
25180 memory destination.
25181 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25183 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25185 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25186 .thumb_set pseudo op to mark aliases of thumb functions.
25188 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25190 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25191 preference to ASM_OUTPUT_DEF, if it is defined.
25193 * tm.texi: Document new, optional target macro
25194 ASM_OUTPUT_DEF_FROM_DECLS.
25196 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25198 * fixincludes: ISCNTL patch
25199 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25200 (dgux_int_varargs): new for DG/UX
25201 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25203 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25205 * invoke.texi (ia32 options): Fix typo.
25207 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25209 * loop.c (strength_reduce): When doing biv->giv conversion, update
25210 reg note of NEXT->insn.
25212 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25214 * loop.c (move_movables): Note issues with replacing REGs with
25216 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25218 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25220 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25222 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25223 the reference to `mcount' was not correct for the ELF on FreeBSD.
25225 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25227 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25230 (recombine_givs): Set ix field after sorting.
25232 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25234 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25235 to safe to extract a subword out of a REG.
25237 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25239 * sh.md (mulsi3): Don't add a no-op move at the end.
25241 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25243 * cse.c (cse_insn): Don't put hard register source into tables for
25244 the last insn of a libcall.
25246 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25248 * loop.c (strength_reduce): Insert sets of derived givs at every
25249 biv increment, even if it's the only one.
25251 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25253 * dwarfout.c (add_incomplete_type): New fn.
25254 (output_type): Call it.
25255 (retry_incomplete_types): New fn.
25256 (dwarfout_finish): Call it.
25258 From Eric Raskin <ehr@listworks.com>:
25259 (output_type): Output types for bases.
25261 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25263 * mips.c (mips_output_conditional_branch): Add `break'
25264 between `default' label and `close braces'.
25266 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25268 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25269 specifications and make it realistic.
25270 (LIB_SPEC): Likewise.
25272 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25274 * config/mips/mips.c (mips_secondary_reload_class): Check for
25275 (PLUS (SP) (REG)) and return appropriate register class.
25276 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25277 Handle (PLUS (SP) (REG)).
25278 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25279 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25280 of emit_insn for tablejump.
25282 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25284 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25285 asm_fprintf format string by itself.
25286 (output_function_profiler): Likewise.
25288 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25290 * combine.c (simplify_logical, case AND): Only call
25291 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25292 or the constant is positive.
25294 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25296 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25297 * configure: Regenerate.
25299 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25301 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25302 require a sub-version #.
25303 * configure: Rebuilt.
25305 1999-06-14 Robert Lipe (robertlipe@usa.net)
25307 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25309 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25311 * c-typeck.c (process_init_element): Detect excess elements in
25312 char array initializer.
25314 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25316 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25318 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25320 * invoke.texi (Option Summary): Add -fpermissive flag.
25322 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25324 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25325 that require PIC code sequences.
25327 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25329 * configure.in: Add new target: thumb-elf.
25330 * configure: Regenerate.
25331 * config/arm/t-thumb-elf: New file: Makefile fragment for
25333 * config/arm/telf.h: New file: Header file for thumb-elf
25336 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25338 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25339 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25340 initializers is some circumstances.
25342 * fixinc/inclhack.def (endif_label): Add additional selector for
25343 more bogus stuff after #endif statements.
25344 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25346 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25348 * i386/cygwin.h (SET_ASM_OP): Define.
25350 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25352 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25354 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25356 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25359 * sh.md (ic_invalidate_line_i): Remove second alternative.
25361 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25363 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25364 test for the presence of valid prototypes. Delete bypass expr.
25365 (ioctl_fix_ctrl): Correct the selection expression.
25366 (no_double_slash): Correct quoting rules
25367 *fixinc/fixincl.x: regen
25368 *fixinc/inclhack.sh: regen
25370 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25372 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25374 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25376 * rs6000.md (movsi_got_internal_mem): Delete.
25377 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25378 (GOT_TOC_REGNUM): Delete.
25379 (PIC_OFFSET_TABLE_REGNUM): Define.
25380 (FINALIZE_PIC): Disable.
25381 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25382 (rs6000_replace_regno): Delete.
25383 (rs6000_finalize_pic): Likewise.
25384 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25386 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25388 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25389 is a note; use <= for the compare; advance P while it is
25392 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25394 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25395 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25397 * varasm.c (remove_from_pending_weak_list): Verify t->name
25398 is non-NULL before passing it to strcmp.
25400 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25402 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25403 the typed arguments are not part of a comment
25404 (ioctl_fix_ctrl): Added a purpose comment
25405 *fixinc/fixincl.x: regenerate
25406 *fixinc/inclhack.sh: regenerate
25408 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25410 * invoke.texi: Add C4x invocation docs.
25412 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25414 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25416 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25418 (c4x_legitimize_reload_address): New function.
25419 * config/c4x/c4x.md: Update docs.
25421 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25423 * fixincludes: Avoid removing '.'.
25424 * fixinc/fixinc.svr4: Likewise.
25425 * fixinc/fixinc.winnt: Likewise.
25426 * fixinc/inclhack.tpl: Likewise.
25427 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25429 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25431 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25433 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25435 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25437 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25440 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25442 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25443 * configure: Regenerate.
25445 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25447 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25450 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25452 * fixinc/inclhack.def (avoid_bool): Also catch
25453 "typedef [unsigned] int bool".
25454 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25456 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25457 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25458 * configure: Rebuilt.
25460 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25462 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25463 such that we can override its definitions if necessary.
25464 (CPP_SPEC): New define. Support processor specific predefines via
25466 (CC1_SPEC): New define. Support processor specific compiler
25467 options via %(cc1_cpu).
25468 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25471 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25473 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25474 between sed's -e flag, and the open-quote following it.
25475 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25477 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25478 Jeffrey A Law (law@cygnus.com)
25480 * varasm.c (assemble_start_function): Remove the function
25481 from the pending weak decls list when we define a function.
25482 (assemble_variable): Similarly for variables.
25483 (weak_finish): Ignore items on the list with a NULL name.
25484 (remove_from_ending_weak_list); New function to "remove" an item
25485 from the pending weak declarations list.
25487 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25489 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25491 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25493 * c-lex.c (GETC): Redefine to call getch.
25494 (UNGETC): Redefine to call put_back.
25495 (putback_buffer): New structure type.
25496 (putback): New static structure.
25497 (getch): New function.
25498 (put_back): New function.
25499 (yylex): Replace unused bytes from bad multibyte character.
25501 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25503 * cpplib.c (do_define): Cast `alloca' return value.
25504 (do_include, do_undef, do_pragma): Likewise.
25505 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25507 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25508 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25510 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25512 * sparc.md (abstf2): This should be an expand.
25513 (split after abstf2_notv9): Fix mode.
25514 (abstf2_hq_v9): New pattern.
25515 (abstf2_v9): Only use when no hard quad.
25516 (absdf2_v9): Fix if target is not the same as source.
25517 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25518 Add correct output constraints.
25520 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25522 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25523 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25525 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25527 * mips.h (mips_output_conditional_branch): New function.
25528 (mips_adjust_insn_length): Likewise.
25529 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25530 (ADJUST_INSN_LENGTH): Likewise.
25531 * mips.c (print_operand): Add `F' and `W' for floating-point
25532 comparison opcodes.
25533 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25535 (mips_adjust_insn_length): New function.
25536 (mips_output_conditional_branch): New function.
25537 * mips.md (length): Adjust attribute definition to handle
25538 conditional branches. Change lengths to bytes, rather than
25539 instructions throughout. Remove length attribute from
25540 instructions whose length is four bytes, and rely on the default
25542 (dslot): Fix typo in comment.
25543 Reword conditional branch patterns to use
25544 mips_output_conditional_branch.
25546 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25548 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25549 (LIB_SPEC): Likewise.
25550 Link with -lprof1_r for -g/-pg.
25552 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25554 * loop.c (check_dbra_loop): Fix change of Jan 19.
25556 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25558 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25559 (STARTFILE_SPEC): Define, override the svr4.h version.
25560 (ENDFILE_SPEC): Likewise.
25562 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25564 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25565 * fixinc/fixincl.x: Regenerated.
25566 * fixinc/inclhack.sh: Regenerated.
25568 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25570 * sh.c (barrier_align): Don't return early for normal branch/barrier
25571 when optimizing for SH2.
25573 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25575 * i386/udk.h (LINK_SPEC): Correct linker search path for
25578 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25580 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25581 (braf_label_ref_operand): Delete.
25582 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25583 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25584 label_ref, and has no predicate.
25585 The patten has a predicate to guard against invalid substitutions.
25586 (dummy_jump): Delete.
25587 (casesi): Update use of casesi_jump_2.
25589 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25591 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25592 *fixinc/fixincl.x: regenerate
25593 *fixinc/inclhack.sh: regenerate
25595 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25597 * dwarf2out.c (add_incomplete_type): New fn.
25598 (gen_struct_or_union_type_die): Call it.
25599 (retry_incomplete_types): New fn.
25600 (dwarf2out_finish): Call it.
25602 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25604 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25605 current block starts with a CODE_LABEL and ends with a CALL and
25606 we can not find all the argument setup instructions for the CALL.
25608 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25610 Revert this change:
25611 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25612 something is a candidate for optimize_bit_field_compare.
25614 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25616 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25618 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25620 * alpha.c (override_options): Thinko in last patch.
25622 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25623 (LIB_SPEC): Recognize -pthread.
25625 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25627 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25628 definition in config/arm/coff.h
25629 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25631 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25633 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25634 fixes that need "file=xxx\n" prepended before invocation
25635 (start_fixer - new): starting the fixer process is complex enough
25636 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25637 (process): uses the new routine; omit usage of putenv()
25638 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25639 * fixinc/fixincl.x: regenerate
25641 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25643 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25644 and version #s (1.1 -> 2.96) as needed.
25645 * README.g77: Kill way out of date file in the toplevel directory.
25647 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25649 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25650 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25651 * configure: Rebuilt.
25652 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25653 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25654 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25655 (SWITCH_TAKES_ARG): Likewise.
25656 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25657 * config/t-freebsd: Moved from config/i386/ so it can used for all
25660 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25662 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25664 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25666 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25667 * configure: Rebuilt.
25669 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25671 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25672 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25673 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25674 (rs6000_output_load_toc_table): Same.
25675 (output_prolog, output_mi_thunk): Same.
25676 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25677 (ASM_GLOBALIZE_LABEL): Use putc.
25679 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25681 * alpha.md (reload_*_help): New patterns and splitters.
25682 (reload_*): Use them.
25683 (mov[qh]i): Likewise.
25685 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25687 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25690 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25692 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25694 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25696 * flow.c (mark_regs_live_at_end, insn_dead_p,
25697 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25698 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25699 hasn't run or the frame pointer is needed.
25700 * haifa-sched.c (attach_deaths): Likewise.
25701 * sched.c (attach_deaths): Likewise.
25703 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25705 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25706 calculate_can_reach_end returns nonzero.
25708 * configure.in (native gas tests): Search for an assembler in the
25709 same manner that the installed compiler will.
25710 * configure: Rebuilt.
25711 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25713 * alias.c (find_base_term): Improve handling of addresses
25714 constructed from binary operations.
25716 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25718 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25720 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25722 * function.h (cleanup_label, frame_offset): Declare.
25723 (tail_recursion_label, tail_recursion_reentry): Likewise.
25724 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25725 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25726 (tail_recursion_label, tail_recursion_reentry): Likewise.
25727 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25729 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25731 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25733 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25734 (MAX_OFILE_ALIGNMENT): Define.
25736 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25738 * fixincl.c: Replace local include scheme with #includes of
25739 gansidecl.h and system.h.
25740 * procopen.c: Likewise.
25741 * server.c: Likewise.
25743 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25745 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25746 (crti.o): Add build rule and dependencies.
25747 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25749 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25751 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25752 (LIB_LINUX_SPEC): Likewise.
25753 (LIB_LINUX_SPEC): Add support for -pthread
25754 (CPP_OS_LINUX_SPEC): Likewise.
25755 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25758 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25760 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25762 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25763 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25764 for IEEE math and CC_FCOMI.
25765 (put_jump_code): No IEEE if CC_FCOMI is set.
25767 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25769 * fold-const.c (fold_truthop): Make the field reference unsigned
25770 when converting a single bit compare.
25772 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25774 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25776 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25778 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25779 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25782 * reload.c (push_reload): Do not call remove_address_replacements
25783 when presented with identical optional reloads.
25785 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25787 * alpha.h (MASK_FIX, TARGET_FIX): New.
25788 (MASK_*): Reorganize constants.
25789 (CPP_AM_FIX_SPEC): New.
25790 (TARGET_SWITCHES): Add FIX.
25791 (EXTRA_SPECS): Likewise.
25792 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25793 (SECONDARY_MEMORY_NEEDED): Likewise.
25794 (REGISTER_MOVE_COST): Likewise.
25795 * alpha.c (override_options): Add FIX support. Always use
25796 ALPHA_TP_PROG for ev6.
25797 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25798 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25799 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25801 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25803 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25804 something is a candidate for optimize_bit_field_compare.
25806 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25808 * gcc.texi (Passes): Document branch-shortening.
25809 * invoke.texi (Debugging Options): Document the fact that `-dp'
25810 outputs length information for instructions.
25812 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25814 * flow.c: Revert previous delta.
25816 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25818 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25819 FRAME_POINTER_REGNUM.
25820 (mark_set_1): Ditto.
25821 (mark_used_regs): Ditto.
25823 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25825 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25826 (GOT_PCREL): New macro. Define to 1 if not already defined.
25827 * arm/elf.h (GOT_PCREL): Define to 0.
25828 * arm.c (arm_finalize_pic): Take into account the setting of
25831 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25833 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25834 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25836 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25837 store elimination candidates.
25839 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25841 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25844 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25846 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25847 Add use of x-aix41-gld.
25849 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25851 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25852 (ASM_OUTPUT_DESTRUCTOR): Define.
25854 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25856 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25857 last CODE_LABEL in a loop if we have previously passed a jump
25858 to the top of the loop.
25860 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25862 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25863 applying Philip's patch.
25865 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25867 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25870 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25872 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25874 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25876 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25877 Also remove a useless comment.
25879 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25881 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25883 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25885 * collect2.c (main): Only generate import or export file and add
25886 to link arguments if non-empty. Use xmalloc not alloca.
25887 (write_{export,import}_file): Delete.
25888 (write_aix_file): New function.
25889 (locatelib): Use xmalloc not malloc.
25890 (GCC_OK_SYMBOL): Do not check type if aix64.
25892 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25894 Based on patch by Scott Bambrough and Pat Beirne:
25895 * config/arm/arm.c (making_const_table): New variable.
25896 * config/arm/arm.h (making_const_table): Declare.
25897 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25899 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25900 Keep track of when we are building the constant table.
25902 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25904 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25907 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25909 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25912 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25914 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25917 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25919 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25921 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25923 * rs6000.c (output_mi_thunk): Enable full support again.
25925 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25927 * sh.h (BRANCH_COST): Define.
25929 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25931 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25933 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25935 * function.c (assign_stack_local): Align stack slot propertly.
25936 (assign_outer_stack_local): Likewise.
25938 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25940 * expr.h (lang_expand_constant): Declare.
25941 * toplev.c (lang_expand_constant): Define it.
25942 * varasm.c (output_constant): Use it.
25944 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25946 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
25947 Change function definitions to K&R style.
25949 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25951 * fixinc/fixincl.c: We must not ignore SIGCLD now.
25953 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
25955 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
25956 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
25957 (several places): omit static initialization
25958 (process): use single fd, since only the read fd is used
25959 * fixinc/gnu-regex.c: define 'const' away, if not supported
25960 * fixinc/procopen.c(several places): omit static initialization
25961 * fixinc/server.c: define 'volitile' away, if not supported
25963 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25965 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
25966 asm_fprintf and %L to generate the label name.
25967 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
25968 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
25970 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
25972 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
25973 insn for a conditional jump can not be found.
25975 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
25977 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
25978 on variables in specific sections other than .sbss and .sdata.
25980 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
25982 * stmt.c (expand_return): Call start_cleanup_deferral and
25983 end_cleanup_deferral around conditional code.
25985 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25987 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
25988 filename lists. Utilizes new "krstr" AutoGen function.
25989 * fixinc/fixincl.x: Rebuilt.
25991 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
25993 * i386.c (output_float_compare): Avoid GNU-C extensions.
25995 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
25997 * version.c: Bump to distinguish mainline tree from the
26000 See ChangeLog.1 for earlier changes.