1 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3 * cpphash.h (enum node_type: Take out T_MCONST.
4 (union hashval): Move into struct hashnode.
5 (struct hashnode): Pack tighter. Remove file, line, col
7 * cpphash.c: Constify most of the macro-definition structures.
8 (struct definition): Replace by struct object_defn
9 and struct funct_defn. Put file, line, column information
10 here. All users updated to match.
11 (_cpp_create_definition, _cpp_macroexpand): Remove special
12 case for #define WORD OTHERWORD.
13 * cpplib.c (do_undef): Remove T_MCONST case.
15 * cpphash.h: Move struct reflist, struct definition, and the
16 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
17 union hashval. _cpp_free_definition takes a HASHNODE pointer.
18 * cpphash.c (_cpp_free_definition): Free data pointed to by
19 MCONST, XCONST, MACRO, and FMACRO nodes properly.
20 (_cpp_create_definition, del_HASHNODE): Just call
21 _cpp_free_definition to clear out a hashnode.
22 * cpplib.c (do_pragma_poison): Likewise.
24 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
26 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
27 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
28 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
29 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
30 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
31 REGNO_AM33_P): Redefine in terms of the new macros.
32 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
33 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
34 STRUCT_VALUE): Likewise.
35 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
36 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
38 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
40 * regmove.c (struct record_stack_memrefs_data): New.
41 (record_stack_memrefs): New function.
42 (combine_stack_adjustments_for_block): Use it.
44 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
46 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
47 use special_function_p to detect alloca.
49 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
51 * gcc.texi: Fixes for makeinfo 4.0 --html.
53 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
57 2000-04-28 Kazu Hirata <kazu@hxi.com>
59 * h8300.c (function_epilogue): Clean up flags when the last insn
60 in a function is a barrier.
62 2000-04-28 Chris Demetriou <cgd@sibyte.com>
64 * configure.in (sparc-hal-solaris2*): protect [] glob from
66 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
67 rather than hard-coded constants in target_cpu_default2.
68 * configure: Regenerate.
70 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
72 * tree.c (get_callee_fndecl): Extract the initial value from
75 2000-04-28 Richard Henderson <rth@cygnus.com>
77 * varasm.c (record_constant_1): Record the CODE_LABEL when
78 taking the address of a LABEL_REF.
80 2000-04-28 Richard Henderson <rth@cygnus.com>
81 Jan Hubicka <jh@suse.cz>
83 * calls.c (combine_pending_stack_adjustment_and_call): Return the
84 adjustment; don't do the stack adjust.
85 (expand_call): Call compute_argument_block_size right before
86 allocating the block; update comment; don't do alignment sanity
87 checking for sibling call; use args_size instead of
88 unadjusted_args_size before args_size is adjusted. Use
89 combine_pending_stack_adjustment_and_call to compute stack adjust
90 for must_preallocate case.
92 * expr.c (push_block): Remove shadow `temp' in inner scope.
94 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
96 * toplev.c (rest_of_compilation): Call
97 note_deferral_of_defined_inline_function even if the function
100 2000-04-28 Scott Bambrough <scottb@netwinder.org>
102 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
104 2000-04-28 Richard Henderson <rth@cygnus.com>
106 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
108 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
110 * timevar.c (init_timevar): DeANSIfy function definition.
112 2000-04-27 Alex Samuel <samuel@codesourcery.com>
114 * Makefile.in (timevar.o): Depend on flags.h.
115 * timevar.c (unused_stack_instances): New variable.
116 (timevar_push): Take a timevar_stack_def from
117 unused_stack_instances if available.
118 (timevar_pop): Push the popped timevar_stack_def onto
119 unused_stack_instances.
120 (TIMEVAR_ENABLE): New macro.
121 (timevar_def): Make standalone a 1-bit field. Add field used.
122 (get_time): Rename parameter to now. Return after clearing it if
124 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
125 (timevar_pop): Likewise.
126 (timevar_stop): Likewise.
127 (timevar_push): Likewise. Mark the timing variable as used.
128 (timevar_start): Likewise.
129 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
130 timevars that were never used.
132 2000-04-27 Mark Mitchell <mark@codesourcery.com>
134 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
135 always TREE_READONLY.
137 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
139 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
140 for call instruction with mode QImode.
142 2000-04-27 Alex Samuel <samuel@codesourcery.com>
144 * Makefile.in (OBJS): Add timevar.o.
145 (toplev.o): Depend on timevar.h.
146 (ggc-simple.o): Likewise.
147 (ggc-page.o): Likewise.
148 (timevar.o): New rule.
149 (timevar.h): New rule.
151 * timevar.h: New file.
152 * timevar.c: Likewise.
153 * timevar.def: Likewise.
155 * toplev.h (gc_time, parse_time, varconst_time): Remove.
156 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
158 (TIMEVAR): Remove macro.
159 (gc_time, parse_time, varconst_time, integration_time, jump_time,
160 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
161 flow_time, combine_time, regmove_time, sched_time,
162 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
163 sched2_time, dbr_sched_time, reorder_blocks_time,
164 rename_registers_time, shorten_branch_time, stack_reg_time,
165 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
167 (compile_file): Don't initialize time variables. Call
168 init_timevar and start TV_TOTAL timer. Call timevar_print instead
169 of many calls to print_time.
170 (rest_of_compilation): Add timing for reload_cse_regs.
171 (get_run_time): Removed to timevar.c.
172 (print_time): Likewise.
173 (get_run_time): Implement using TV_TOTAL time variable.
174 (print_time): Get total run time from get_run_time.
175 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
176 computing elapsed time explicitly.
177 * ggc-simple.c (ggc_collect): Likewise.
178 (gc_time): Remove declaration.
180 2000-04-27 Mark Mitchell <mark@codesourcery.com>
182 * calls.c (combine_pending_stack_adjustment_and_call): New function.
183 (expand_call): Use it.
185 2000-04-27 Jan Hubicka <jh@suse.cz>
187 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
190 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
192 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
195 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
197 * function.c (epilogue_done): Pass whole insn to record_insns.
199 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
201 * cse.c (CSE_ADDRESS_COST): Remove.
202 (find_best_addr): Add new parameter "MODE", use address_cost instead
205 (fold_rtx): Update call of find_best_addr.
206 * rtl.h (address_cost): Declare.
207 * loop.c (general_induction_var): Add new parameter "MODE", use
208 address_cost instead of ADDRESS_COST
209 (init_loop): Use address_cost instead of ADDRESS_COST.
210 (check_insn_for_givs): Update call of general_induction_var.
211 (find_mem_givs): Likewise.
212 (consec_sets_giv): Likewise.
213 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
214 * i386.c (ix86_address_cost): New.
215 * i386-protos.h (ix86_address_cost): Declare.
217 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
219 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
222 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
224 * expr.c (store_expr): Use clear_storage instead of direct memset
227 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
229 * config/mn10300/mn10300.c (mn10300_address_cost): Test
230 ASHIFT, AND and LABEL_REF.
232 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
234 * invoke.texi (-foptimize-sibling-calls): Fix.
236 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
238 * loop.c (load_mems) Don't use hard registers for the hoisting.
240 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
241 calculation; rename const_equiv array in the preconditioning code
242 from loop_unroll to loop_unroll_precondition
244 2000-04-27 Richard Henderson <rth@cygnus.com>
246 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
248 (propagate_one_insn): Clear it. Don't update reg_live here.
249 (init_propagate_block_info): Update for pbi member changes.
250 (free_propagate_block_info): Likewise.
251 (mark_set_1): Know that zero_extract, sign_extract, and
252 strict_low_part don't kill their argument. Alter hard subregs.
253 Update new_set for non-CLOBBER sets. Update reg_live.
254 (find_auto_inc): Update reg_live, not new_dead.
255 (mark_used_reg): Update reg_live, not new_live. Examine new_set
256 to determine if the reg in question was set this insn. Only update
257 reg info with PROP_REG_INFO.
259 2000-04-26 Richard Henderson <rth@cygnus.com>
261 * flow.c (allocate_reg_life_data): Set max_regno here ...
262 (life_analysis): ... not here.
264 * flow.c (calculate_global_regs_live): Force stack pointer
267 2000-04-26 Richard Henderson <rth@cygnus.com>
269 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
270 commit change group changes.
271 (invert_exp_1): Similarly.
272 (redirect_exp, invert_exp): Use them.
273 (redirect_jump_1): New.
274 (invert_jump_1): New.
275 (jump_optimize_1): Remove code subsumed by condexec.c.
276 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
278 2000-04-26 Richard Henderson <rth@cygnus.com>
280 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
282 * genconfig.c (main): Set all HAVE_foo to 1.
284 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
286 2000-04-26 Alex Samuel <samuel@codesourcery.com>
288 * invoke.texi: Document -fssa flag.
290 2000-04-26 Richard Henderson <rth@cygnus.com>
292 * flow.c (count_reg_sets_1): Remove.
293 (count_reg_sets, count_reg_references): Remove.
294 (recompute_reg_usage): Implement with update_life_info.
295 Reallocate life data.
297 2000-04-26 Richard Henderson <rth@cygnus.com>
299 * flow.c (update_life_info): Consider blocks null to mean the
301 (calculate_global_regs_live): Likewise.
302 (life_analysis): Do that instead of collecting all_blocks.
304 2000-04-26 Richard Henderson <rth@cygnus.com>
306 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
307 a still-valid conditional jump.
309 2000-04-26 Richard Henderson <rth@cygnus.com>
311 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
313 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
314 * flow.c (calculate_loop_depth): Remove.
315 * output.h (calculate_loop_depth): Don't declare.
316 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
317 inline; run estimate_probability at the same time.
319 2000-04-26 Neil Booth <NeilB@earthling.net>
321 * cpplib.h: "~=" is not a single pp-token.
322 * cpplex.c: Correct commentary.
324 2000-04-26 Richard Henderson <rth@cygnus.com>
326 * flow.c (mark_set_1): New arguments code and flags; update all
327 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
328 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
329 loop_depth when optimizing for size. Do new_dead update after
330 emitting REG_UNUSED notes. Merge mark_set_reg code.
331 (mark_set_reg): Remove.
332 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
333 arrange to not emit REG_UNUSED notes.
335 2000-04-26 Richard Henderson <rth@cygnus.com>
337 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
338 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
340 2000-04-26 Richard Henderson <rth@cygnus.com>
342 * flow.c (propagate_one_insn): Break out from propagate_block.
343 (init_propagate_block_info): Likewise.
344 (free_propagate_block_info): Likewise.
345 (propagate_block): Use them. Export.
346 * basic-block.h: Declare them all.
348 2000-04-26 Richard Henderson <rth@cygnus.com>
350 * basic-block.h (life_analysis): Declare here ...
351 * output.h: ... not here.
352 * flow.c (life_analysis): Remove nregs parameter; replace
353 remove_dead_code with flags. Remove ssa dead code check.
354 Only init alias analysis if we'll use it.
355 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
356 * ssa.c (convert_to_ssa): Likewise.
357 (convert_from_ssa): Likewise.
358 * toplev.c (rest_of_compilation): Likewise.
360 2000-04-26 Richard Henderson <rth@cygnus.com>
362 * flow.c (flow_delete_block): Rename from delete_block. Export.
363 * basic-block.h (flow_delete_block): Declare.
365 2000-04-26 David S. Miller <davem@redhat.com>
367 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
368 taking a PATTERN of it.
370 2000-04-26 <NeilB@earthling.net>
372 * cpplex.c (spell_other, spell_char): Remove.
374 (token_spelling, trigraph_map): Use unsigned chars.
375 (_cpp_lex_line): Tidy up the switch statement.
376 * cpplib.h: Implement spell_char with spell_string.
379 2000-04-26 <RodneyBrown@pmsc.com>
381 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
382 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
384 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
386 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
387 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
388 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
389 dwarf2out_return_save, dwarf2out_return_reg,
390 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
391 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
392 gen_compile_unit_die, dwarf2out_init): Constify a char*.
394 * dwarf2out.h (dwarf2out_init): Likewise.
396 * dwarfout.c (filename_entry, primary_filename, last_filename,
397 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
399 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
400 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
401 dwarf2out_return_reg): Likewise.
403 2000-04-26 Andreas Jaeger <aj@suse.de>
405 * extend.texi (Function Attributes): Fix description of pure
408 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
410 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
411 before calling rest_of_compilation.
413 2000-04-26 Andreas Jaeger <aj@suse.de>
415 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
418 2000-04-25 Richard Henderson <rth@cygnus.com>
420 * cse.c (cse_insn): Emit barrier after unconditional jump.
422 * calls.c (expand_call): Disable tail call generation once
423 rtx_equal_function_value_matters is false.
425 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
428 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
430 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
432 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
434 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
435 is the primary DIE for a member function.
436 (gen_decl_die): Call set_decl_origin_self here.
437 * dwarfout.c (output_decl): And here.
438 * integrate.c (output_inline_function): Not here.
439 Don't clear DECL_INLINE until after calling rest_of_compilation.
440 (set_decl_origin_self): No longer static.
441 * tree.h: Add prototype.
442 * toplev.c (note_deferral_of_defined_inline_function): Only write
443 out abstract instance for actual inlines.
445 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
447 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
448 EXTENDED_REGS only if TARGET_AM33.
449 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
450 SP_REGS to register allocation and reloading unless absolutely
452 (movsi3): Remove special-case of adding non-constants to SP.
454 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
456 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
457 INCLUDES to search and does not provide any of its own. Also it
458 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
459 parameters. Also it does not call AC_DEFINE.
460 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
461 AC_DEFINE and provides for automatic entries for autoheader.
462 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
464 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
465 so we can pass -I flags and include gansidecl.h/system.h in this
468 * acconfig.h: Delete all NEED_DECLARATION_* entries.
470 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
472 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
473 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
474 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
476 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
477 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
478 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
479 for these macros. Clean up spacing and linewraps.
481 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
483 * calls.c (expand_call): Use get_callee_fndecl.
485 * print-tree.c (print_node): Print the chain of an _EXPR.
487 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
488 Jim Wilson <wilson@cygnus.com>
489 Andrew Haley <aph@cygnus.com>
491 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
492 and gp save/restore problems.
493 * config/ia64/crtend.asm: Add IA-64 unwind support.
494 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
495 in fr_pad_size calculation.
496 (save_restore_insns): Move PR save area. Correct uses of
498 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
499 (ia64_expand_epilogue): Add eh_epilogue support.
500 (ia64_function_prologue): Emit .prologue directive.
501 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
502 (ia64_override_options): Set init_machine_status and
504 (rtx_needs_barrier): Handle bsp reads and writes.
505 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
506 New static variables.
507 (process_set, process_for_unwind_directive): New functions.
508 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
509 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
510 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
512 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
513 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
514 (struct machine_function): Define.
515 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
517 2000-04-25 Bruce Korb <bkorb@gnu.org>
519 * fixinc/Makefile.in: make the removal of old programs more
521 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
522 install-bin and install-sh
524 2000-04-25 Nick Clifton <nickc@cygnus.com>
526 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
527 defined, define to return zero.
528 (function_cannot_inline_p): If a function has any target
529 specific attributes, then use the macro
530 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
531 whether it can be inlined. If it cannot, issue a suitable
534 * tm.texi: Add a new node 'Inlining' to document the new macro
535 FUNCTION_ATTRIBUTE_INLINABLE_P.
537 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
539 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
542 2000-04-25 Neil Booth <NeilB@earthling.net>
544 Restore previous patch, plus the following fixes:
546 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
547 flags, not CPP_OPEN_PAREN.
548 * cpplex.c (expand_token_space, init_token_list,
549 cpp_free_token_list): Put the dummy token at list->tokens[-1].
550 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
552 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
554 * config/i386/freebsd.h (INT_ASM_OP): Define.
556 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
558 * loop.c (strength_reduce): Fix typo in the last checkin.
560 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
562 * stor-layout.c (finalize_record_size): Simplify to use existing
564 (compute_record_mode): No longer static.
565 * tree.h (compute_record_mode): New declaration.
567 2000-04-25 Neil Booth <NeilB@earthling.net>
569 * Revert my patch below until cause of build failures
572 2000-04-25 Richard Henderson <rth@cygnus.com>
574 * combine.c (combine_instructions): Add missing argument
577 * toplev.c (rest_of_compilation): Delay sibcall optimization
578 until after emit_eh_context.
580 2000-04-24 Nick Clifton <nickc@redhat.com>
582 * combine.c (combine_instructions): Do not try to combine a
583 sequence of insns when the second insn has been replaced by a
586 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
588 * gcc.c (load_specs): New static function.
589 (read_specs): Use it.
591 * gcc.c (lookup_compiler): Make multiple passes for case
592 insensitive filesystems.
594 2000-04-24 Neil Booth <NeilB@earthling.net>
596 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
597 * cpphash.h (_cpp_check_directive): new.
598 * cpplex.c (handle_newline, cpp_free_token_list,
599 init_trigraph_map, trigraph_ok, trigraph_replace,
600 backslash_start, skip_block_comment, skip_line_comment,
601 skip_whitespace, parse_name, parse_number, parse_string,
602 copy_comment, _cpp_lex_line, spell_char, spell_string,
603 spell_comment, spell_name, spell_other, _cpp_lex_file,
604 _cpp_output_list): new.
605 (expand_name_space): take length argument.
606 (init_token_list): add comment list initialisation.
607 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
608 instead of HSPACE_BEFORE.
610 * cpplib.c (_cpp_check_directive): new
611 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
612 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
613 (HSPACE_BEFORE): delete.
614 (TTYPE_TABLE): rearrange.
615 (struct cpp_toklist): update.
617 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
619 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
620 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
621 argument form of AC_DEFINE.
623 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
624 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
625 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
626 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
627 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
629 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
631 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
633 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
634 deduced.h): Use -isystem, not -I, for including system headers.
636 2000-04-24 Nick Clifton <nickc@cygnus.com>
638 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
639 the source register is the frame pointer or arg pointer.
640 (addsi3_small_int): Disallow if source register is the frame
641 pointer or arg pointer.
643 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
645 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
646 call to AC_MSG_RESULT.
648 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
650 * invoke.texi: Correct grammatical errors, document
651 -fno-gnu-keywords as identical to -fno-asm for C++.
653 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
655 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
656 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
657 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
658 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
659 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
661 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
662 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
663 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
664 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
667 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
669 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
670 (pop_alignment): Likewise.
671 (handle_pragma_token): Likewise.
673 2000-04-24 Robert Lipe <robertlipe@usa.net>
675 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
677 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
679 * combine.c (try_combine): Update reg_nonzero_bits of
680 newi2pat before newpat.
682 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
684 * loop.c (strength_reduce): Simplify test to INSN_P.
685 (record_giv): Attempt to simplify the add value, use CONSTANT_P
686 expressions instead of CONST_INT.
687 (express_from_1): Likewise.
689 2000-04-24 Mark Mitchell <mark@codesourcery.com>
691 * regs.h (reg_n_max): Don't declare.
692 * flow.c (reg_n_max): Don't define.
693 * regclass.c (renumber): Don't initialize to zero.
694 (regno_allocated): Likewise.
696 (allocate_reg_info): Don't initialize unnecessarily.
698 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
700 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
701 and blockage_p in the newly allocated attribute.
703 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
705 * config/mn10300/mn10300.md (addsi): `inc4' on address
706 registers does not modify cc, but `inc' on an extended
709 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
711 * reload.c (find_equiv_reg): Checks all valueno regs
712 as a reload_reg_p regs.
714 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
716 * cpphash.c (collect_objlike_expansion): Add sanity check.
717 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
718 the buffer is the empty string, return. Mark __DATE__ and
719 __TIME__ as XCONST nodes, not MCONST.
720 (_cpp_macroexpand): Avoid pushing an empty buffer.
721 (funlike_macroexpand): Don't pop token_buffer here.
723 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
725 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
726 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
727 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
728 (REGNO_OK_FOR_BASE_P): Define in terms of them.
729 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
730 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
731 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
733 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
735 * loop.c (simplify_giv_expr): Be more agressive on simplifying
738 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
740 * cpphash.h (struct definition): Move file, line, col members...
741 (struct hashnode): ... here. Also add 'disabled' flag.
742 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
743 T_IDENTITY. Remove T_DISABLED.
746 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
747 (collect_expansion): Split into collect_objlike_expansion and
748 collect_funlike_expansion.
749 (_cpp_macroexpand): Split out scan_arguments, stringify, and
751 (_cpp_compare_defs): Rename compare_defs, make static.
752 (_cpp_make_hashnode): Initialize hp->disabled.
753 (macro_cleanup): Adjust for new token types. Clear
755 (_cpp_create_definition): Move code here to determine what
756 sort of macro it is, and code to check for redefinitions, from
757 do_define. Implement a few simple cases without creating a
759 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
760 Handle the simple cases.
761 (push_macro_expansion): Set buf->has_escapes and hp->disabled
764 * cppinit.c (builtin_array): Change MCONST to XCONST
766 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
767 fix check for disabled and function-like macros.
768 * cpplib.c (do_define): Move most logic to
769 _cpp_create_definition.
770 (do_undef): Handle new special token types.
772 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
774 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
775 of CONSTANT_P for mult_val; always use validate_change to update insn.
777 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
779 * cpphash.c (trad_stringify, add_pat): New functions.
780 (collect_expansion): Restore support for -traditional syntax.
781 Use trad_stringify and add_pat.
782 (_cpp_macroexpand): Restore support for -traditional semantics.
783 * cpplex.c (_cpp_scan_line): Don't change space_before if we
785 (_cpp_lex_token): Provide COMMENT tokens to caller if
786 traditional and parsing_define_directive.
787 (skip_comment): Warn about // comments if -Wtraditional.
788 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
790 (do_undef): Don't warn about undefining EMPTY nodes.
792 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
794 * loop.c (strength_reduce): Fix biv removal code.
796 2000-04-22 Richard Henderson <rth@cygnus.com>
798 * predict.c (estimate_probability): Examine both sides of
799 a branch for no exits. Use 90% not 50% for predict taken.
800 Reorg for one copy of note generation code.
802 2000-04-22 Richard Henderson <rth@cygnus.com>
804 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
806 2000-04-22 Richard Henderson <rth@cygnus.com>
808 * diagnostic.c (init_output_buffer): Don't initialize format_args.
809 (output_clear): Likewise.
810 (output_printf): Use va_copy.
811 (vline_wrapper_message_with_location): Likewise.
812 (v_message_with_decl): Likewise.
813 (line_wrapper_printf): VA_START infor buffer.format_args directly.
814 * system.h (va_copy): Provide default implementation.
816 2000-04-22 Richard Henderson <rth@cygnus.com>
818 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
819 the collected condition is not a constant.
821 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
823 * diagnostic.h: New file.
825 * Makefile.in (diagnostic.o): Depends on diagnostic.h
827 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
828 various function prototypes.
829 (diagnostic.h): #include.
830 (struct output_buffer): Move into diagnostic.h.
831 (get_output_prefix): Rename to output_get_prefix. Export.
832 (init_output_buffer): Export. Break out. Ajust intialization.
833 (output_space_left, output_append): Export.
834 (output_newline): Rename to output_add_newline. Export.
835 (output_clear): Nullify additional output_buffer fields.
836 (output_puts): Rename to output_add_string. Export.
837 (dump_output): Rename to output_flush_on. Export.
838 (build_location_prefix): Constify return-type.
839 (emit_output_prefix): Rename to output_emit_prefix. Export.
840 (set_real_maximum_length): New function.
841 (output_set_maximum_length): Ditto
842 (output_clear): Ditto.
843 (output_add_character): Ditto.
844 (output_add_integer): Ditto.
845 (output_add_space): Ditto.
846 (output_format): Ditto.
847 (output_printf): Adjust buffer initialization.
848 (vline_wrapper_message_with_location): Ditto.
849 (v_message_with_decl): Ditto. Adjust call to output_puts
850 and get_output_prefix.
851 (default_print_error_function): Adjust buffer intialization.
853 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
855 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
858 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
860 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
863 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
865 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
866 accurate data about SP moves.
868 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
870 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
871 aliases to AM33 registers.
873 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
875 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
876 to all EXTENDED bitmaps.
878 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
880 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
881 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
882 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
884 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
886 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
887 the operand is not constant.
889 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
891 * reload.c (find_equiv_reg): Checks all valueno and regno regs
892 as a call-clobbered regs.
894 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
896 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
898 * rtl.def: Update comment.
899 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
900 * integrate.c (expand_inline_function): Likewise.
901 * profile.c (branch_prob): Likewise.
902 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
903 * print-rtl.c (print_rtx): Likewise.
904 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
905 (reemit_notes): Likewise; also use enum insn_note.
907 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
908 (place_field): Properly compute know and actual alignment.
910 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
913 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
916 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
918 * cpphash.c (struct arg, struct arglist): Const-ify strings.
919 (warn_trad_stringify, duplicate_arg_p): New helper functions.
920 (collect_expansion): Rewrite to scan over a token list.
921 Remove -traditional support.
922 (collect_formal_parameters): Rename to collect_params; rewrite
923 to scan over a token list.
924 (_cpp_create_definition): Adjust to scan a token list.
925 (_cpp_macroexpand): Remove -traditional support.
926 (_cpp_compare_defs): Whitespace is now canonicalized.
927 (comp_def_part): Delete function.
929 * cpphash.h: Update prototypes.
930 * cpplex.c (init_token_list): Don't set lineno if there is no
932 (pedantic_whitespace): New function.
933 (_cpp_scan_line): Mark tokens that had hspace before. Don't
934 consume a newline. Use pedantic_whitespace.
935 (_cpp_lex_token): Remove support for -traditional macros.
936 (_cpp_get_define_token): Delete.
937 (_cpp_get_directive_token): Do the real work here. Use
939 (_cpp_init_input_buffer): Initialize pfile->directbuf.
941 * cpplib.c (get_macro_name): Delete.
942 (do_define): Read the entire line into pfile->directbuf, then
943 feed the token list to _cpp_create_definition.
944 * cpplib.h (HSPACE_BEFORE): new define.
945 (struct cpp_reader): Add a toklist member, "directbuf".
947 * predict.c (estimate_probability): New heuristic: if a jump
948 branches around a block with no successors, predict it taken.
949 Disentangle control flow.
951 2000-04-20 Richard Henderson <rth@cygnus.com>
953 * loop.c (emit_iv_add_mult): Revert last change.
955 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
957 * cpplib.h (enum cpp_ttype): Add token types for all
958 punctuators. Distinguish pp-numbers from valid C numbers.
959 Give some tokens better names. Initialize from macro.
960 (struct cpp_name, cpp_token, cpp_toklist): New data
963 * cpplex.c (bump_column, expand_name_space,
964 expand_token_space, init_token_list, cpp_output_list,
965 _cpp_scan_line): New functions.
966 (output_line_command): Add third argument, new line number.
967 * cpphash.h: Update prototypes.
968 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
971 2000-04-20 Richard Henderson <rth@cygnus.com>
973 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
975 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
977 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
980 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
982 * loop.c (emit_iv_add_mult): Simplify it's input and emit
983 REG_EQUAL note explaining the calculated value.
985 * calls.c (expand_call): Avoid unnecesary precalculation
986 and outgoing parameters space guarding for sibling calls.
987 (store_one_arg): Likewise.
989 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
991 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
992 (rest_of_compilation): Write sibling dump file and account
993 for time as jump time.
994 * invoke.texi: Update documentation on dump flags.
996 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
998 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1000 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1002 * cpphash.c (special_symbol): Represent an empty macro with
1003 "\r \r " not just "\r ".
1004 (_cpp_macroexpand): Correct condition for the foo ( ) special
1006 (unsafe_chars): Handle EOF as second argument.
1007 (push_macro_expansion): Simplify test for removing escape at
1008 end. Do not trim both escapes if there is no text in between.
1010 2000-04-19 Jim Blandy <jimb@redhat.com>
1012 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1013 of PTR_SIZE, when appropriate.
1015 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1017 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1018 (USE_ENUM_BITFIELDS): Fix typo.
1020 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1022 * stor-layout.c (place_field): Set rli->offset_align properly.
1024 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1026 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1027 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1028 PARM_BOUNDARY): Remove unnecessary casts.
1030 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1032 * calls.c (precompute_arguments): Remove must_preallocate and
1034 (expand_call): Update call of precompute_arguments.
1036 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1037 check_insn_for_givs): Break out from ...
1038 (strength_reduce) ... here; use for_every_insn_in_loop to call
1039 check_insn_for_givs.
1040 * loop.h (for_every_insn_in_loop): Declare.
1041 (loop_insn_callback): New type.
1043 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1045 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1048 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1050 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1053 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1055 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1057 * configure.in: Delete --disable-cpplib option and all
1058 references to cpp_main.
1059 * configure: Regenerate.
1060 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1061 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1062 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1063 cpp$(exeext). Add --no-headers to makeinfo command line when
1064 generating INSTALL. Install and uninstall cpp.1 manpage, not
1066 * install.texi: Delete all references to cexp.y/cexp.c.
1067 Delete ancient instructions for compiling GCC on 3b1.
1068 * INSTALL: Regenerate.
1070 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1071 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1072 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1074 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1075 which is no longer tested anywhere.
1077 * cppinit.c (handle_option): Don't run error message through
1080 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1082 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1083 * cpperror.c (hashtab.h): Now include.
1084 * cppexp.c (hashtab.h): Likewise.
1085 * cpplex.c (hashtab.h): Likewise.
1086 * cppfiles.c (hashtab.h): Likewise.
1087 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1088 to htab_find_slot_with_hash.
1089 * cpphash.c (hashtab.h): Now include.
1090 (_cpp_lookup_slot): INSERT is now enum insert_option.
1091 * cpphash.h (_cpp_lookup_slot): Likewise.
1092 * cppinit.c (hashtab.h): Include earlier.
1093 (initialize_builtins): Pass enum to htab_find_slot.
1094 * cpplib.c (hashtab.h): Now include.
1095 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1096 (do_pragma_poison, do_assert): Likewise.
1097 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1098 htab_find_slot_with_hash.
1099 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1100 * tree.c (type_hash_add): Likewise.
1101 (build1): Minor cleanup.
1103 * ggc-common.c: Add missing blanks.
1104 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1105 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1107 * stmt.c (mark_case_node): New function.
1108 (mark_case_nesting): Call it.
1110 * expmed.c (emit_store_flag): If comparing two-word integer
1111 with zero, can optimize NE, EQ, GE, and LT.
1113 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1114 * conflict.c: Minor cleanups.
1115 * optabs.c: Add blank line
1116 * simplify-rtx.c: Minor cleanups.
1118 2000-04-18 Stan Cox <scox@cygnus.com>
1120 * gengenrtl.c (genlegend): Fix misspelling.
1122 2000-04-18 Robert Lipe <robertlipe@usa.net>
1124 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1125 bitfields of the host compiler are not signed quantities.
1126 * config.in: Regenerate.
1127 * configure: Regenerate.
1128 * system.h (USE_ENUM_BITFIELDS): Added.
1129 (ENUM_BITFIELDS): Added.
1130 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1131 (SHORT_ENUM_BUG): Deleted.
1132 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1134 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1135 (CODE_FIELD_BUG): Likewise.
1136 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1138 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1140 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1142 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1145 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1147 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1148 * cpplib.c (do_include, do_import, do_include_next,
1149 read_line_number, detect_if_not_defined): Likewise.
1150 * cpphash.c (collect_expansion): Likewise.
1151 (special_symbol, _cpp_macroexpand): Check return from
1153 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1154 macros. Delete all uses.
1156 * gcc.dg/cpp-mi.c: Add two more test cases.
1157 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1159 2000-04-17 Richard Henderson <rth@cygnus.com>
1161 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1162 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1164 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1166 * function.c (expand_function_start): Use hard_function_value to
1167 compute the RTL to use for DECL_RESULT.
1169 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1171 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1172 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1173 x86_memory_mismatch_stall): New global variables.
1174 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1175 alloved; fix load penalties for Athlon.
1176 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1177 x86_memory_mismatch_stall): Declare.
1178 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1179 TARGET_MEMORY_MISMATCH_STALL): New.
1180 * i386.md (athlon scheduling parameters): Fix latencies according to
1181 Athlon Optimization Manual.
1182 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1184 (fsqrt instruction patterns): Set athlon_decode to direct.
1185 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1186 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1187 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1188 and TARGET_PARTIAL_REGISTER_STALL machines.
1189 (pushdf_nointeger): New pattern.
1190 (pushdf_integer): Rename from pushdf.
1191 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1192 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1194 2000-04-17 Richard Henderson <rth@cygnus.com>
1196 * loop.c (canonicalize_condition): Add WANT_REG argument.
1197 Stop the search if we match it.
1198 * expr.h (canonicalize_condition): Update decl.
1199 * predict.c (expected_value_to_br_prob): Use it. Track last
1200 expected value note.
1201 (find_expected_value): Remove.
1203 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1205 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1207 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1208 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1210 * configure.in: Call AC_FUNC_MMAP_FILE.
1211 * configure: Regenerate.
1212 * config.in: Regenerate.
1214 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1215 * fixinc/fixincl.c: Likewise.
1217 2000-04-17 Richard Henderson <rth@cygnus.com>
1219 * builtins.c (expand_builtin_expect): New.
1220 (expand_builtin): Call it.
1221 * builtins.def (BUILT_IN_EXPECT): New.
1222 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1223 * extend.texi: Document it.
1225 * predict.c (expected_value_to_br_prob): New.
1226 (find_expected_value): New.
1227 * basic-block.h (expected_value_to_br_prob): Declare.
1228 * toplev.c (rest_of_compilation): Invoke it.
1230 * rtl.h (NOTE_EXPECTED_VALUE): New.
1231 (NOTE_INSN_EXPECTED_VALUE): New.
1232 * rtl.c (note_insn_name): Update.
1233 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1234 cases; handle NOTE_INSN_EXPECTED_VALUE.
1236 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1238 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1239 leaf sibcall delay slot if flag_pic.
1240 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1242 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1244 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1246 * fixproto: If fix-header fails, exit with an error.
1248 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1250 * cse.c (struct check_depdendence_data): New.
1251 (check_dependence): New function.
1252 (invalidate): Use check_depdenence.
1254 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1256 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1257 UNITS_PER_WORD is unsigned.
1259 * tree.h (struct tree_common): Remove misleading comment.
1261 2000-04-16 Dave Pitts <dpitts@cozx.com>
1263 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1264 message in quotes. Otherwise, IBM's make program treats the '#' as the
1265 start of a comment and ignores the remainder of the line.
1267 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1269 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1270 * cexp.y (initialize_random_junk): Likewise.
1271 * cppfiles.c (find_include_file): Cast alloca return value.
1272 * cppinit.c (initialize_standard_includes): Likewise.
1273 * cpplib.c (cpp_define, cpp_undef): Likewise.
1274 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1275 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1276 * fold-const.c (CHARMASK): New.
1277 (real_hex_to_f): Use it.
1278 * real.c (CHARMASK): New.
1279 (etoasc, asctoeg): Use it.
1280 (asctoeg): EBCDIC lower case characters preceed upper case.
1282 * i370.c (mvs_add_label): Change spacing for coding conventions.
1283 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1284 outputing case vectors.
1285 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1286 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1287 since vector in in the data CSECT.
1288 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1289 * i370.md (Many patterns): Put the length in the XL directives.
1290 (movdi): Put back STM and MVC in definition.
1291 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1292 pattern using the TCA.
1293 * oe.h (CPP_SPEC): Added to allow trigraphs.
1294 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1295 not support the "long long" type.
1297 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1299 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1301 (mips_reg_mode_ok_for_base_p): Likewise.
1302 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1303 (REG_OK_FOR_INDEX_P): Define unconditionally.
1304 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1305 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1306 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1307 that GET_MODE_SIZE is unsigned.
1308 (mips_reg_mode_ok_for_base_p): Define.
1309 (mips_legitimate_address_p): Likewise. Adjust now
1310 that GET_MODE_SIZE is unsigned.
1311 (block_move_loop): Make the number of bytes unsigned.
1312 (expand_block_move): Likewise.
1313 (function_arg): Make the loop counter unsigned to match the
1316 2000-04-16 Richard Henderson <rth@cygnus.com>
1318 * rtl.h (enum insn_note): New enumeration. Subsume
1319 NOTE_INSN_DELETED and friends.
1320 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1321 * rtl.c (note_insn_name): Tweak string order.
1323 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1325 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1328 * cpplex.c (output_line_command): Remove debugging prints.
1329 (cpp_output_tokens): Don't write out a zero-length buffer or
1330 try to see if it has a newline in it.
1331 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1332 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1333 the end of the loop. Use memmove. Don't read past the end of
1334 the buffer. Remove trailing newlines from error messages.
1336 2004-04-16 Neil Booth <NeilB@earthling.net>
1338 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1339 * cpplib.c: Add new syntax flags to directive table, and
1342 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1344 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1347 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1349 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1350 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1352 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1354 * Makefile.in (ggc-page.o): Now includes toplev.h.
1355 * ggc-page.c (toplev.h): Now included.
1356 (gc_time): Remove declaration.
1357 (ggc_collect): TIME now long.
1358 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1360 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1362 * toplev.c: Make *_time variable long to reduce chance of overflow.
1363 (TIMEVAR): Likewise for `otime'.
1364 (print_time): Arg is now long; compute percentage in FP and round.
1365 * toplev.h (print_time): Arg is long.
1367 * tree.c: Minor whitespace changes.
1369 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1370 * configure: Rebuilt.
1371 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1372 (__fixunsxfDI): Renamed from __fixunsxfdi.
1373 (__fixunsdfDI): Renamed from __fixunsdfdi.
1374 (__fixunssfDI): Renamed from __fixunssfdi.
1375 (__floatdisf): Use proper type in REP_BIT macro.
1376 (__fixunsxfSI): Renamed from __fixunsxfsi.
1377 (__fixunsdfSI): Renamed from __fixunsdfsi.
1378 (__fixunssfSI): Renamed from __fixunssfsi.
1379 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1380 Change location of macros and upper-case some names as above.
1381 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1382 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1384 * varasm.c (assemble_variable): Add cast to remove warning.
1385 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1387 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1388 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1389 region number to -1.
1391 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1393 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1394 call unshare_all_rtl.
1396 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1398 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1400 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1401 Use .s1 not .s0 for all FP instructions.
1403 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1405 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1407 (safe_fwrite, output_line_command): New static functions.
1408 (cpp_expand_to_buffer): Now private to cpplib.
1409 (cpp_scan_buffer): Take a printer.
1411 * cpphash.h: Update prototypes.
1412 * cpplib.h: Update prototypes.
1414 (cpp_buffer): Remove last_nominal_fname.
1415 (cpp_reader): Remove lineno.
1417 * cppmain.c: Use a cpp_printer.
1418 * fix-header.c: No need to inhibit line commands. Call
1419 cpp_start_read with no printer.
1421 * cpperror.c (cpp_notice_from_errno): Provide default name.
1422 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1423 (find_include_file, cpp_read_file): Use make_IHASH.
1424 (file_cleanup): Set control_macro and clear
1425 input_stack_listing_current here.
1426 (_cpp_execute_include): Don't output entering-file marker.
1427 * cpphash.c (special_symbol): Look for the line number in the
1428 buffer, not the reader.
1429 (_cpp_macroexpand): No need to disable line commands.
1430 (_cpp_dump_definition): No need to generate line commands.
1431 (dump_hash_helper): Remove excess newline from output.
1432 * cppinit.c (dump_special_to_buffer): No need to generate line
1434 (cpp_printer_init): New.
1435 (cpp_start_read): Take a printer, and start it up if it's not
1436 NULL. No need to generate line commands.
1437 (cpp_finish): Expect no buffers stacked at all. Take a
1438 printer argument, and flush the output buffer if it's not
1440 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1441 Don't put two hashes at the beginning of an assertion.
1442 (cpp_get_token): Don't increment pfile->lineno or emit line
1443 commands here. Return EOF if there's no buffer when we get
1445 * cpplib.c (do_define, skip_if_group):
1446 No need to disable line commands.
1447 (_cpp_output_line_command): Delete function.
1448 (do_line): Don't emit line commands here, but set things up so
1449 they will be emitted if necessary. Use _cpp_fake_ihash to
1450 make unique nominal_fnames if necessary.
1451 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1452 with 0 for column, not -1.
1453 (_cpp_handle_eof): Don't set the control macro here. Don't
1454 clear input_stack_listing_current here. Don't emit line
1457 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1459 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1460 always, use the default SVR4 start address.
1462 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1463 (LINK_SHLIB_SPEC): Define.
1464 (LINK_START_DEFAULT_SPEC): Define.
1465 (LINK_OS_DEFAULT_SPEC): Define.
1467 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1469 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1470 __do_global_ctors to handle constructors.
1471 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1472 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1473 (STARTFILE_MVME_SPEC): Likewise.
1474 (STARTFILE_SIM_SPEC): Likewise.
1475 (ENDFILE_ADS_SPEC): Use crtend.
1476 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1477 (ENDFILE_MVME_SPEC): Likewise.
1478 (ENDFILE_SIM_SPEC): Likewise.
1479 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1480 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1481 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1482 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1483 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1484 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1485 (CRTSTUFF_T_CFLAGS_S): Define.
1486 * config/rs6000/eabi-ctors.c: Delete.
1488 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1491 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1495 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1497 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1498 plus mask size is smaller or equal to the mode size.
1500 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1502 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1505 * expr.c (reload.h): Now included.
1506 (emit_block_move): Set volatile_ok when checking for movstr.
1507 (emit_move_1): Check for replacements in addresses in multi-word case.
1508 * Makefile.in (expr.o): Now includes reload.h.
1510 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1511 Never have a LIBCALL end a basic block.
1512 (find_basic_blocks_1): Likewise.
1513 Reorganize CALL_INSN cases.
1515 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1517 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1519 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1520 completers from mov.ret instruction.
1522 2000-04-14 Richard Henderson <rth@cygnus.com>
1524 * fold-const.c (extract_muldiv): Don't distribute and widen
1525 multiply across plus for non-sizetype unsigned types.
1527 2000-04-14 Richard Henderson <rth@cygnus.com>
1529 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1530 If the original source is dead in the incr insn, it's dead now.
1532 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1534 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1535 see if DECL_BIT_FIELD needs to still be set.
1537 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1539 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1540 print_int_cst_octal with something that's not an INTEGER_CST.
1542 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1543 and not a SUBREG to a FLOAT rtl.
1545 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1547 * emit-rtl.c (try_split): Avoid infinite loop if the split
1548 results in a sequence that contains the original insn.
1550 2000-04-13 Andreas Jaeger <aj@suse.de>
1552 * config/mips/mips.c (expand_block_move): Pass alignment
1553 argument to move_by_pieces in bits, not bytes.
1555 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1556 __pic__ for little endian.
1558 2000-04-13 Andreas Jaeger <aj@suse.de>
1560 * config/i386/i386-protos.h: Add prototype for
1561 uno_comparison_operator.
1563 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1565 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1566 * calls.c (ECF_PURE): New flag.
1567 (emit_call_1): Handle ECF_PURE calls.
1568 (initialize_argument_information): Unset ECF_PURE flag too.
1569 (precompute_arguments): Precompute for ECF_PURE too.
1570 (expand_call): Handle ECF_PURE calls too.
1571 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1572 accept value of 2 as pure function.
1573 (emit_library_call_value, emit_library_call): Rename no_queue argument
1575 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1577 * tree.h (DECL_IS_PURE): New macro.
1578 (struct tree_decl): Add pure_flag.
1579 * c-common.c (enum attrs): Add attribute "pure".
1580 (init_attributes): Initialize attribute "pure"
1581 (decl_attributes): Handle attribute "pure".
1582 * extend.texi (Attribute "pure"): Document.
1583 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1585 (flags_from_decl_or_type): Support attribute "pure".
1587 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1589 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1590 the token except for numbers and identifiers.
1592 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1594 * i386.c (ix86_expand_binary_operator,
1595 ix86_expand_unary_operator): Check no_new_pseudos
1596 instead of reload_in_progress and reload_completed.
1597 (ix86_split_ashldi, ix86_split_ashrdi,
1598 ix86_split_lshrdi): Check no_new_pseudos instead
1599 of reload_completed.
1601 2000-04-12 Jeffrey A Law (law@cygnus.com)
1603 * function.c (purge_addressof): Unshare any shared rtl created by
1604 purge_addressof and its children.
1606 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1608 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1611 2000-04-05 Andreas Jaeger <aj@suse.de>
1613 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1614 not compiling PIC code, add flags for mabi=64.
1615 (SUBTARGET_CPP_SIZE_SPEC): New.
1616 (SUBTARGET_CPP_SPEC): New.
1617 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1618 for MIPS/Linux and lots of code needs these defines.
1620 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1622 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1623 trying the "opposite arithmetic" approach.
1625 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1627 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1628 (struct sh_args): Add new field force_mem.
1629 (INIT_CUMULATIVE_ARGS): Initialize it.
1630 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1632 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1634 * calls.c (expand_call): Do not reverse args in "equal from" field.
1635 (emit_library_call_value_1): Emit_libcall_block for const and pure
1638 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1640 * reload1.c (reload_combine): Don't enable optimization for fixed
1641 registers when encountering a BARRIER.
1643 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1645 * builtins.c (expand_builtin_memcmp): Do expansion even with
1646 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1648 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1649 stack is propertly aligned; add sanity checking for aligned
1651 (expand_library_call_value_1): Add sanity checking for aligned
1654 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1656 * calls.c (emit_library_call_value_1): Change 3rd arg to
1657 locate_and_pad_parm to disregard the setting of partial.
1659 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1661 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1663 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1664 CALL_INSN from the normal case.
1666 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1668 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1669 New global variables.
1670 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1672 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1674 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1675 TARGET_ADD_ESP_8): New macros.
1676 * i386.md: Add peep2s to convert esp adjustments to push and pop
1678 (pushsi_prologue, popsi_epilogue): New patterns.
1680 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1682 * real.c (toe64): Remove stale #endif from the last change.
1684 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1686 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1687 * real.c (toe64): Revert previous change.
1689 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1691 * objc/objc-act.c: Include ggc.h.
1692 (objc_tree_index, objc_global_trees): Convert most of the
1693 static tree variables into a static array with previous names
1695 (objc_ellipsis_node): New variable.
1696 (lang_init): Call objc_act_parse_init and c_parse_init.
1697 Create objc_ellipsis_node.
1698 (build_selector_translation_table): Use objc_ellipsis_node instead
1700 (hack_method_prototype): Likewise.
1701 (get_arg_type_list): Likewise.
1702 (start_method_def): Likewise.
1703 (continue_method_def): Likewise.
1704 (gen_method_decl): Likewise.
1705 (ggc_mark_imp_list): New function.
1706 (ggc_mark_hash_table): New function.
1707 (objc_act_parse_init): New function.
1708 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1709 * c-parse.in (c_parse_init): For objc add roots of objc specific
1710 local tree variables.
1711 * objc/objc-parse.y: Rebuilt.
1712 * objc/objc-parse.c: Rebuilt.
1713 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1715 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1717 * cse.c (delete_trivially_dead_insns): Also delete insns
1718 that copy a register to itself where the destination is
1721 2000-04-11 Richard Henderson <rth@cygnus.com>
1723 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1724 (propagate_block): Initialize them. Use them in parallel instead
1725 of one tmp variable, ie revert much of the 0408 and 0407 functional
1726 changes, but keep the structural changes.
1727 (mark_set_regs): Take new_dead from propagate_block_info instead.
1728 (mark_set_1, mark_set_reg): Likewise.
1729 (mark_used_regs): Likewise with new_live.
1730 (mark_used_reg): Likewise. Revert 0408 change.
1732 2000-04-11 Nick Clifton <nickc@cygnus.com>
1734 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1736 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1738 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1740 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1741 const section to output a CONSTRUCTOR based on the same conditions
1744 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1746 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1747 * pa/pa-protos.h (output_call): Add additional argument indicating
1748 if the call is a sibling/tail call.
1749 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1750 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1751 (function_arg, function_arg_partial_nregs): Likewise
1752 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1753 (emit_move_sequence): Zero extend certain constants as needed
1755 (compute_zdepdi_operands, output_64bit_and): New functions.
1756 (output_64bit_ior, function_arg): Likewise.
1757 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1758 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1759 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1760 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1761 (output_bvb): Likewise.
1762 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1763 (output_call): New argument 'sibcall'. Generate sibcall sequences
1765 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1766 (ouput_arg_descriptor): Do not emit argument descriptors for
1768 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1770 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1771 (FUNCTION_OK_FOR_SIBALL): Define.
1772 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1773 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1774 (CPP_SPEC): Use new spec infrastructure.
1775 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1776 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1777 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1778 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1779 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1780 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1781 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1782 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1783 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1784 (FUNCTION_ARG); Call out to C code.
1785 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1786 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1787 (MIN_UNITS_PER_WORD): Likewise.
1788 * pa/pa.md (cmpdi): New expander.
1789 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1790 (64bit conditional arithmetic): New patterns.
1791 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1792 (movsicc): Not available if modes on all the operands to not match.
1793 (movdicc): New expander and associated patterns.
1794 (64bit branches): New patterns.
1795 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1796 (pre_ldd, post_std): New patterns.
1797 (64bit addil, load low part): New patterns.
1798 (special movsf constant): Not available for TARGET_64BIT.
1799 (movsf, movdf expanders): Force constants into memory.
1800 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1801 (64bit movdf/movdi patterns): New patterns.
1802 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1804 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1805 (adddi3 expander): Allow "arith_operand" for second input.
1806 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1807 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1808 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1809 (muldi3): New expander for TARGET_64BIT.
1810 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1812 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1813 patterns for TARGET_64BIT.
1814 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1815 patterns for TARGET_64BIT.
1816 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1817 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1818 (sibcall_epilogue): New expander.
1819 (casesi): Tweak for TARGET_64BIT.
1820 (call expanders): Set & use the outgoing argument pointer. Use the
1821 64bit call patterns as needed. Add additional arg to output_call.
1822 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1823 (sibcall, sibcall_internal_symref): New expanders.
1824 (sibcall_value, sibcall_value_internal_symref
1825 (interspace_jump): Turn into an expander + matching patterns.
1826 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1827 * pa/pa64-regs.h: Eliminate trigraph sequences.
1828 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1830 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1832 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1833 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1834 cpp_token with cpp_ttype everywhere.
1835 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1836 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1837 CPP_BUF_COL. Line and column numbers are unsigned int, not
1839 * cpplex.c (cpp_buf_line_and_col): Delete.
1840 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1841 'long lineno' to 'unsigned int lineno'.
1842 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1844 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1846 * extend.texi: ISO C99 is not a draft anymore.
1847 * invoke.texi: ISO C++ is not a draft anymore.
1848 * cpp.texi: __cplusplus is required by the ISO standard.
1850 * extend.texi (-fthis-is-variable): Undocument.
1851 * flags.h (warn_template_debugging): Remove declaration.
1852 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1853 -Wenum-clash, -Wtemplate-debugging): Undocument.
1855 2000-04-10 Nick Clifton <nickc@cygnus.com>
1857 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1859 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1861 (ARM_SIGN_EXTEND): Use HOST_UINT.
1862 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1863 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1864 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1865 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1867 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1868 (arm_gen_constant): Use HOST_UINT.
1869 (arm_canonicalize_constant): Use HOST_UINT.
1870 (arm_reload_in_hi): Use HOST_UINT.
1871 (arm_reload_out_hi): Use HOST_UINT.
1872 (output_multi_immediate): Use HOST_UINT.
1873 (int_log2): Use HOST_UINT.
1874 (arm_poke_function_name): Use HOST_UINT.
1875 (arm_output_epilogue): Use arm_volatile_func().
1876 (output_thumb_prologue): Use arm_strip_name_encoding().
1878 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1880 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1881 of sequence point problems.
1883 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1885 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1887 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1889 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1891 * sbitmap.h: Whitespace changes and use upper-case macro args.
1892 (struct simple_bitmap_def): All sizes now unsigned.
1893 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1894 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1895 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1896 (sbitmap_zero): Cast bzero arg to PTR.
1897 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1898 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1899 loop to make structure clearer.
1900 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1901 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1902 (sbitmap_a_and_b_or_c): Likewise.
1903 (sbitmap_intersection_of_succs): Minor cleanups.
1904 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1905 (sbitmap_union_of_preds): Likewise.
1906 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1907 (debug_sbitmap): New function.
1909 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1910 * c-typeck.c (convert_for_assignment): Likewise.
1912 * expmed.c (init_expmed): Don't free objects we make.
1913 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1915 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1916 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1918 * gcse.c (expr_hash_table_size): Now unsigned.
1919 (compute_ae_gen): Local variable `i' now unsigned.
1920 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1921 (compute_transout, hoist_code): Likewise.
1922 (compute_local_properties): Likewise, also hash_table_size.
1923 (alloc_expr_hash_table): N_INSNS now unsigned.
1924 (delete_null_pointer_checks): Mark arg F as unused.
1926 * regrename.c: Minor cleanups, including chang some variables
1929 2000-04-10 Neil Booth <NeilB@earthling.net>
1931 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1933 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1935 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1937 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1938 __classof__, and __headof__ from the list of gnu keywords.
1939 (-ansi): Remove -foperator-names from list of implied options.
1940 Do not call it ANSI C++.
1941 (-foperator-names): Document as -fno-operator-names.
1943 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1945 * cpphash.c (timestamp): Delete.
1946 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1947 (special_symbol): Remove unnecessary braces. Remove
1948 T_VERSION. Treat T_STDC like T_CONST unless
1949 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1950 when one is encountered, then convert them into T_MCONST
1952 * cppinit.c (builtin_array): version_string is T_MCONST.
1953 __STDC__ has a "1" in its cpval. Don't have a terminator
1954 entry. Clean up which entries are dumped.
1955 (initialize_builtins): Only __STDC__ gets the special
1956 -traditional treatment. Count the length of builtin_array.
1957 Render version_string here.
1958 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1959 * cpplib.h (struct cpp_reader): Remove timebuf.
1961 2000-04-09 Richard Henderson <rth@cygnus.com>
1963 * genrecog.c (pred): Update comparison_operator for the unordered
1966 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1968 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1969 (uno_comparison_operator): New.
1970 (put_condition_code): Handle UNORDERED/ORDERED.
1971 (unsigned_comparison): Likewise.
1972 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1973 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1974 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1975 update all callers. Handle all 8 unordered operators.
1976 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1977 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1978 * config/i386/i386.h (PREDICATE_CODES): Update.
1979 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1980 (ix86_expand_branch, ix86_expand_setcc): Update.
1981 * config/i386/i386.md (sunordered, sordered): New.
1982 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1983 (bunordered, bordered): New.
1984 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1985 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1986 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1988 2000-04-09 Philip Blundell <philb@gnu.org>
1990 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1992 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1994 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1995 fix_truncxfhi2): New patterns.
1996 * i386.c (output_fix_trunc): Handle converting to HImode.
1998 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2000 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2002 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2003 (for_each_successor_phi): Change parameter to basic_block.
2004 (coalesce_regs_in_successor_phi_nodes): Likewise.
2005 (coalesce_regs_in_copies): Likewise.
2006 (compute_coalesced_reg_partition): Use basic_block instead of index.
2007 * rtl.h (convert_to_ssa): Delete.
2008 (convert_from_ssa): Likewise.
2009 (successor_phi_fn): Likewise.
2010 (for_each_successor_phi): Likewise.
2011 (in_ssa_form): Likewise.
2012 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2013 (convert_from_ssa): Likewise.
2014 (successor_phi_fn): Likewise.
2015 (in_ssa_form): Likewise.
2016 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2017 * flow.c (calculate_global_regs_live): Pass a basic_block to
2018 for_each_successor_phi.
2020 2000-04-08 Richard Henderson <rth@cygnus.com>
2022 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2023 was modified in the current insn.
2025 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2027 * arm/thumb.md: Delete.
2028 * arm/thumb-protos.h: Delete.
2030 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2032 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2034 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2036 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2039 * arm.md (nop): Use the standard RTL expression. Don't code as a
2041 (*arm_nop, *thumb_nop): Delete.
2043 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2044 constants. Use casts instead.
2045 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2046 output_multi_immediate, arm_poke_function_name): Likewise.
2047 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2048 MASK_RETURN_ADDDR): Likewise.
2050 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2052 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2055 * arm.md (eh_epilogue): New function.
2056 * arm.h (struct machine_function): Move to here ...
2057 * arm.c: ... from here.
2058 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2059 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2060 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2062 2000-03-30 Nick Clifton <nickc@cygnus.com>
2064 * config/arm/semi.h (ASM_SPEC): Restore definition.
2065 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2067 * config/arm/elf.h (ASM_SPEC): Restore definition.
2068 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2070 * config/arm/arm.h (ASM_SPEC): Remove definition.
2071 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2073 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2075 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2077 2000-03-24 Nick Clifton <nickc@cygnus.com>
2079 Various formating tidyups, elimination of compile time
2080 warnings and synchronisation with internal sources:
2082 * config/arm/arm-protos.h (assemble_align): Add prototype.
2083 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2084 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2085 (arm_return_addr_rtx): Rename to arm_return_addr.
2087 * config/arm/arm.c: Include except.h.
2088 Define shorter typenames for strict minipool_node and struct
2090 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2092 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2093 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2095 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2097 (ASM_SPEC): Define if not already defined.
2098 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2100 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2101 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2102 arm_gen_compare_reg.
2103 (indirect_jump): Only accept register operands.
2104 (load_indirect_jump): Keep this pattern since combine can generate
2107 * config/arm/coff.h: Include aout.h.
2108 (MULTILIB_DEFAULTS): Only define if not already defined.
2110 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2111 into arm.h (so that COFF ports can support thumb based aliases).
2112 (ASM_SPEC): Move definition into arm.h
2114 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2115 redundant apcs spec.
2116 (ASM_SPEC): Move definition to arm.h
2118 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2120 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2121 for entries in the .bss section
2123 2000-03-23 Nick Clifton <nickc@cygnus.com>
2125 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2126 to thumb_far_jump_used_p.
2128 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2129 single integer parameter.
2131 * config/arm/arm.c (struct machine_function): Add two new
2132 fields, 'far_jump_used' and 'arg_pointer_live'.
2133 (thumb_far_jump_used_p): Once the decision has been made that
2134 far jumps might be used, always return true.
2135 If being called from the initial elimination offset macro then
2136 do not bother to perform the test if the arg pointer is not
2138 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2139 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2141 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2143 * arm.c (output_return_instruction): Handle more cases where we can
2144 return from a function with an ldr instruction.
2145 (arm_output_epilogue): Likewise.
2147 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2148 if we need to push a large stack frame and there are no callee-saved
2151 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2152 in ARM code if the frame pointer has been eliminated.
2154 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2155 unspec_volatile arguments to avoid duplicates.
2156 (consttable_1, consttable_2): Fixes for big-endian mode.
2158 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2161 Re-write constant pool code.
2162 * arm.c (minipool_node, minipool_fix): New types.
2163 (minifix): Delete type.
2164 (arm_add_minipool_constant): Delete.
2165 (arm_compute_minipool_offsets, arm_find_barrier,
2166 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2167 (get_jump_table_size): Now returns HOST_WIDE_INT.
2168 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2170 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2171 (assign_minipool_offsets, arm_print_value): Likewise.
2172 (dump_minipool): Rewrite.
2173 (arm_barrier_cost): New function.
2174 (create_fix_barrier): New function.
2175 (push_minipool_barrier): New function.
2176 (push_minipool_fix): Record additional information about the fixup
2178 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2179 check the mode of what needs fixing.
2180 (arm_reorg): Rewrite.
2182 2000-03-08 Nick Clifton <nickc@cygnus.com>
2184 * config/arm/arm.md (indirect_jump): Force constant addresses into
2187 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2189 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2191 2000-02-24 Nick Clifton <nickc@cygnus.com>
2193 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2194 adjust is word aligned.
2195 (thumb_expand_epilogue): Make sure that stack adjust is word
2198 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2200 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2202 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2203 pointer relative addresses.
2205 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2207 * arm.c (find_barrier): Find the last barrier within the allowed
2210 2000-02-09 Nick Clifton <nickc@cygnus.com>
2212 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2214 2000-02-09 Nick Clifton <nickc@cygnus.com>
2216 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2217 ARM_FUNCTION_PROFILER.
2219 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2220 ARM_FUNCTION_PROFILER.
2222 * config/arm/linux-oldld.h: Imported from mainline sources.
2224 2000-02-07 Nick Clifton <nickc@cygnus.com>
2226 * config/arm/lib1funcs.asm: Merge in thumb functions from
2229 * config/arm/lib1thumb.asm: Delete.
2231 2000-02-04 Nick Clifton <nickc@cygnus.com>
2233 * config/arm/arm.c: Sychronised with current Red hat local
2235 * config/arm/arm.h: Ditto.
2236 * config/arm/arm-protos.h: Ditto.
2238 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2240 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2242 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2245 2000-02-02 Nick Clifton <nickc@cygnus.com>
2247 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2249 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2250 (return) was emited using an emit_insn() call.
2252 2000-01-31 Nick Clifton <nickc@cygnus.com>
2254 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2256 (thumb_exit): Move frame pointer back into hard frame pointer
2257 register if backtracing is being used.
2259 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2261 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2264 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2266 * config/arm/arm.md (neg_pool_offset): Provide default for new
2268 (arm_movsi_insn): Add neg_pool_offset attribute.
2269 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2270 rtx for the insn that starts the scan and an unsigned long for its
2271 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2272 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2273 instructions in *PINSERTED.
2274 (struct minipool_fixup): Add MIN_ADDRESS elt.
2275 (sort_fixups): Compute it.
2276 (arm_reorg): Changes to support inserting pools before the insn to be
2279 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2281 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2282 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2283 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2285 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2287 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2289 (TARGET_DEFAULT): Do not define if already defined.
2291 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2293 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2294 (iordi3): Allow disjoint source operands.
2295 (xordi3): Allow disjoint source operands.
2296 (negdi2): Permit construction for ARM and Thumb.
2297 (arm_negdi2): Renamed version of old negdi2 pattern.
2298 (thumb_negdi2): New pattern: Only permit non-overlapping
2299 source and destination.
2301 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2303 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2304 scratch low register so that it will not be deleted.
2306 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2308 * config/arm/pe.h (ARM_PE): Define.
2310 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2311 interfacearm attribute if this is a PE toolchain.
2312 (output_return_instruction): Do not emit anything if the function
2313 has the naked attribute set.
2314 (is_called_in_ARM_mode): If the function has the interfacearm
2315 attribute then return true.
2316 (thumb_expand_prologue): Do not generate a prologue for naked
2318 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2320 (output_thumb_prologue): Do not bother if the function is naked.
2321 Strip PE encoding from function name before emitting.
2323 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2325 * arm.md (pic_load_addr): Fix constraints.
2327 * arm.md (casesi_insn): Fix mis-applied patch.
2329 * arm.md ("core" function unit): Add rules for single- and
2331 (All TARGET_THUMB patterns): Add "type" attribute information
2333 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2334 the following insn is a CALL.
2336 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2338 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2339 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2340 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2342 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2344 * config/arm/linux-gas.h: oops - this file was missed out when the
2345 branch was created...
2347 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2349 * thumb.c: Deleted. Move contents to ...
2351 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2353 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2356 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2357 declare a prototype for asm_output_align();
2359 * arm.c (thumb_condition_code): Delete.
2360 (arm_print_operand): Always use arm_condition_code array.
2362 * arm.c (thumb_return_addr_rtx): Delete.
2363 (arm_save_machine_status, arm_restore_machine_status): Delete.
2364 (arm_init_machine_status, arm_mark_machine_status): New functions.
2365 (arm_init_expanders): Update accordingly.
2366 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2367 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2368 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2370 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2372 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2374 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2377 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2379 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2380 stack backtrace structure.
2382 * config/arm/arm-protos.h: Add prototypes for functions defined in
2385 * config/arm/arm.c (arm_override_options): Fix selection of
2386 attributes of default processor.
2388 * config/arm/coff.h: Delete needless #include.
2390 * config/arm/pe.c: Delete unused code.
2392 * config/arm/pe.h (CPP_DEFINES): Delete
2393 (SUBTARGET_CPP_SPEC): Define.
2394 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2396 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2398 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2400 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2402 (CAN_DEBUG_WITHOUT_FP): Define.
2403 (FIXED_REGISTERS): Make r11 call-saved.
2404 (CALL_USED_REGISTERS): Likewise.
2405 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2406 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2407 frame-pointer is required.
2408 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2409 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2410 if the target normally needs a stack frame in non-leaf functions.
2411 (use_return_insn): Correct logic for determining when a return
2412 instruction can be used.
2413 (output_return_instruction): Handle the frame-pointer register as
2414 a normal register when not TARGET_APCS_FRAME.
2415 (arm_output_prologue): Likewise.
2416 (arm_output_epilogue): Likewise.
2417 (output_func_epilogue): Likewise.
2418 (arm_expand_prologue): Likewise.
2419 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2421 * arm.c (use_return_insn): No need to check floating point regs if
2423 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2424 the code of value stored in the minipool array.
2425 (arm_add_minipool_constant): Likewise.
2427 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2429 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2431 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2433 * tree.c (tree_expr_nonnegative_p): New function.
2435 * tree.h (tree_expr_nonnegative_p): Declare.
2437 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2438 elide some sign_compare warnings.
2439 (build_conditional_expr): Likewise.
2441 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2443 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2445 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2446 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2447 operand. Abort if a 387 operand has an unsupported size.
2449 2000-04-08 Neil Booth <NeilB@earthling.net>
2451 * cppexp.c (parse_charconst): Null does not end character
2453 * cppinit.c (ISTABLE): Null character handled as whitespace.
2454 * cpplex.c (null_warning): new function.
2455 (skip_string): Emit warning if nulls encountered.
2456 (_cpp_skip_hspace): Emit warning if nulls encountered.
2457 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2461 2000-04-07 Richard Henderson <rth@cygnus.com>
2463 * flow.c (loop_depth): Remove.
2464 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2465 (struct propagate_block_info): New.
2466 (life_analysis): Don't allocate reg_next_use.
2467 (propagate_block_delete_insn): Break out of propagate_block.
2468 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2469 (propagate_block_delete_libcall): Likewise.
2470 (propagate_block): Create a propagate_block_info struct to pass
2471 to subroutines. Allocate one not two temporary regsets. Don't
2472 clobber memory for const calls. Look for clobbers in
2473 CALL_INSN_FUNCTION_USAGE.
2474 (mark_set_regs): Recognize COND_EXEC.
2475 (mark_set_reg): Break out of mark_set_1.
2476 (mark_used_reg): Break out of mark_used_regs.
2477 (mark_used_regs): Recognize COND_EXEC.
2478 (insn_dead_p): Use propagate_block_info struct.
2479 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2480 (find_auto_inc, try_pre_increment_1): Likewise.
2481 (print_rtl_with_bb): Dump regs live at end too.
2482 (count_reg_sets_1): Pass in loop_depth.
2483 (count_reg_sets, count_reg_references): Likewise.
2484 (recompute_reg_usage): Provide it.
2486 2000-04-07 Richard Henderson <rth@cygnus.com>
2488 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2491 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2493 * cpplib.c (do_elif): Skip the rest of the line if we're
2494 not going to bother evaluating it.
2495 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2496 to avoid pointless calls to the lexer.
2498 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2500 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2502 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2504 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2506 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2508 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2510 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2512 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2513 crtend so they can be multilibbed.
2514 (STAGESTUFF): Remove s-crt and s-crtS.
2516 2000-04-07 Richard Henderson <rth@cygnus.com>
2518 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2519 if we discover we need a pseudo and no_new_pseudos is true.
2520 * config/alpha/alpha.md (ne:DI insn): New.
2521 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2523 2000-04-07 Richard Henderson <rth@cygnus.com>
2525 * rtl.def (COND_EXEC): New.
2526 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2527 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2529 * genconfig.c (have_cond_arith_flag): Remove.
2530 (have_cond_exec_flag): New.
2531 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2532 (main): Print HAVE_conditional_execution.
2534 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2535 (sched_analyze_insn, print_pattern): Likewise.
2536 * reload.c (find_equiv_reg): Likewise.
2537 * rtlanal.c (reg_referenced_p): Likewise.
2538 (note_stores, dead_or_set_regno_p): Likewise.
2539 (reg_overlap_mentioned_p): Rewrite to use a switch.
2541 * ggc.h (struct rtx_def): Forward declare.
2543 * print-rtl.c (debug_rtx_range): New.
2544 * rtl.h (debug_rtx_range): Declare.
2546 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2548 * gcse.c (gcse_main): Don't rebuild the CFG here.
2549 (delete_null_pointer_checks): Likewise.
2550 * ssa.c (convert_to_ssa): Likewise.
2551 * toplev.c (rest_of_compilation): Do it here instead. Combine
2552 sequential calls to TIMEVAR. Consistently use `insns' instead of
2553 `get_insns()'. Always split insns after reload when optimizing.
2555 * basic-block.h (merge_blocks_nomove): Declare.
2556 (tidy_fallthru_edge): Declare.
2557 * flow.c (merge_blocks_nomove): Document as merging into previous
2558 blocks. Remove cruft from between blocks; remove all edges out of A.
2559 (tidy_fallthru_edge): Export.
2561 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2563 * ssa.c (compute_conservative_reg_partition): Declare with
2565 * toplev.c (clean_dump_file): Remove previously-deleted function
2566 inadvertantly merged back in.
2567 * conflict.c (conflict_graph_add): Use a single call to
2568 htab_find_slot to look up and insert.
2570 2000-04-06 Richard Henderson <rth@cygnus.com>
2572 * genrecog.c (*): Rename _last_insn to last_insn.
2573 (make_insn_sequence): Set the position of the peephole2 C test
2574 to be at the last insn.
2576 2000-04-06 Richard Henderson <rth@cygnus.com>
2578 * flow.c (compute_flow_dominators): Free worklist.
2580 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2582 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2584 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2586 * rtl.h (INSN_P): New macro.
2587 (successor_phi_fn): New typedef.
2588 (for_each_successor_phi): New prototype.
2589 (in_ssa_form): New variable.
2590 (PHI_NODE_P): Likewise.
2591 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2592 phi nodes in successors.
2593 (mark_used_regs): Add PHI case.
2594 (set_phi_alternative_reg): New function.
2595 (life_analysis): Assert that dead code elimination is not selected
2597 * toplev.c (to_ssa_time): New variable.
2598 (from_ssa_time): Likewise.
2599 (compile_file): Zero to_ssa_time and from_ssa_time.
2600 Print time to convert to and from SSA.
2601 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2602 (print_time): Compute percent fraction as integer.
2603 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2604 (convert_to_ssa): Check if we're already in SSA.
2605 Don't eliminate dead code in life_analysis.
2606 Rerun flow and life analysis at bottom.
2607 (eliminate_phi): Use canonical regnos when adding nodes.
2608 (mark_reg_in_phi): New function.
2609 (mark_phi_and_copy_regs): Likewise.
2610 (convert_from_ssa): Rerun life analysis at top.
2611 Use coalesced partition.
2612 Check for removing a phi node at the end of the block.
2613 (compute_coalesced_reg_partition): New function.
2614 (coalesce_regs_in_copies): Likewise.
2615 (coalesce_reg_in_phi): Likewise.
2616 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2617 (for_each_successor_phi): Likewise.
2618 (rename_context): New struct.
2619 (rename_block): Use a rename_context with rename_insn_1. When
2620 renaming sets of a subreg, emit a copy of the entire reg first.
2621 (rename_insn_1): Treat data as a rename_context *. Save current
2623 (rename_set_data): Add field set_insn.
2624 * Makefile.in (HASHTAB_H): Move up in file.
2625 (OBSTACK_H): New macro.
2626 (collect2.o): Use OBSTACK_H in dependencies.
2627 (sdbout.o): Likewise.
2628 (emit-rtl.o): Likewise.
2629 (simplify-rtx.o): Likewise.
2630 (fix-header.o): Likewise.
2631 (OBJS): Add conflict.o.
2632 (conflict.o): New rule.
2633 * basic-block.h: Include partition.h.
2634 (conflict_graph): New typedef.
2635 (conflict_graph_enum_fn): Likewise.
2636 (conflict_graph_new): New prototype.
2637 (conflict_graph_delete): Likewise.
2638 (conflict_graph_add): Likewise.
2639 (conflict_graph_conflict_p): Likewise.
2640 (conflict_graph_enum): Likewise.
2641 (conflict_graph_merge_regs): Likewise.
2642 (conflict_graph_print): Likewise.
2643 (conflict_graph_compute): Likewise.
2644 * conflict.c: New file.
2646 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2648 * tlink.c (read_repo_files): Don't look for .rpo info for
2651 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2653 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2655 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2657 * config/sh/lib1funcs.asm (___udivsi3_i4):
2658 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2659 only depends on FMOVD_WORKS.
2661 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2663 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2664 make double constant 8-byte aligned.
2666 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2668 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2669 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2670 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2671 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2672 Accept storing GENERAL_REGS into offsetable memory.
2673 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2674 building a TFmode constant other than 0.0L into GENERAL_REGS.
2676 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2678 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2680 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2682 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2683 (macro_cleanup): No need to cast pbuf->macro.
2684 (collect_expansion): Use _cpp_get_define_token. Goto done if
2685 it returns VSPACE. Remove check for trailing space after
2687 (_cpp_create_definition): Don't diddle flags here. Return
2689 (unsafe_chars): Handle c1 being EOF.
2690 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2691 checks. Don't push the buffer till after we're done with
2693 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2694 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2695 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2697 (_cpp_parse_assertion): Don't NUL terminate.
2698 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2699 hspace before calling _cpp_parse_assertion. Remove all sets
2700 of only_seen_white. Treat '\f' as hspace. Don't do anything
2701 special with '\n' here.
2702 (maybe_macroexpand): Handle T_EMPTY hash entries without
2703 pushing a buffer at all.
2704 (cpp_get_token): Handle clearing only_seen_white here. Handle
2705 incrementing the line number here. Clear
2706 potential_control_macro as well as only_seen_white, if
2708 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2709 (_cpp_get_define_token): New function, basically like
2710 _cpp_get_directive_token was but doesn't eat horizontal space.
2711 Don't do anything with only_seen_white here.
2712 (_cpp_get_directive_token): Just call _cpp_get_define_token
2713 repeatedly till it returns non-hspace.
2715 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2716 (conditional_skip, skip_if_group): Return int.
2717 (DIRECTIVE_TABLE): Change origin of all conditional directives
2719 (TRAD_DIRECT_P): New macro.
2720 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2721 an error for a bogus directive, unless -lang-asm. Use
2722 TRAD_DIRECT_P. Loop calling handler functions till one returns
2724 (get_macro_name): Don't diddle flags here.
2725 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2726 Create T_EMPTY nodes for #define macro /* nothing */.
2727 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2728 Use hp->name when calling pass_thru_directive.
2729 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2730 Return the result of conditional_skip and/or skip_if_group.
2731 Don't call _cpp_output_line_command.
2732 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2733 Issue -Wtraditional warnings as appropriate. Don't complain
2734 about unrecognized directives. If we are to stop skipping,
2735 return the number of the directive that ended the skip.
2736 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2737 expansion and line commands while skipping. Return the result
2738 of consider_directive_while_skipping, if nonzero.
2739 (do_endif): Just set potential_control_macro here.
2740 (validate_else): Use _cpp_get_directive_token.
2741 (do_assert, do_unassert): Don't save pointers into the
2742 token_buffer across calls to the lexer. Use
2743 _cpp_get_directive_token.
2745 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2746 pointer, not an offset. Replace 'data', which was a generic
2747 pointer, with 'macro', which points to a struct hashnode.
2748 (cpp_reader): Add 'potential_control_macro' pointer.
2749 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2750 (CPP_BUF_GET, CPP_FORWARD): Delete.
2751 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2752 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2753 ACTIVE_MARK_P): Update.
2754 (_cpp_get_define_token): New internal function.
2755 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2757 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2759 * configure.in: And here.
2760 * configure: Regenerate.
2761 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2762 --enable-libstdcxx-v3 is passed at configure time.
2763 * config.h.in: Regenerate.
2765 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2767 * final.c (final): Use xcalloc to allocate line_note_exists.
2768 * function.c (free_after_compilation): Free the temp_slots.
2769 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2770 (combine_temp_slot): Free temp_slots when they get combined.
2771 (purge_addressof): Fix typo in comment.
2772 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2773 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2775 * ggc.h: Include varray.h.
2776 (ggc_pending_trees): Declare.
2777 (ggc_mark_tree_children): Remove declaration.
2778 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2779 * ggc-common.c (ggc_pending_trees): New variable.
2780 (ggc_mark_roots): Call ggc_mark_trees.
2781 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2782 the ggc_pending_trees.
2783 * Makefile.in (GGC_H): New variable. Use it throughout in place
2786 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2788 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2791 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2793 * sh.c (sh_insn_length_adjustment): New function.
2794 * sh-protos.h (sh_insn_length_adjustment): Declare.
2795 * sh.h (ADJUST_INSN_LENGTH): Use it.
2797 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2799 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2800 from the insn where REG_RETVAL is added.
2801 (emit_no_conflict_block): Ditto.
2803 * md.texi (Standard Names): Clarify when movX is needed.
2805 * combine.c (simplify_comparison) [MINUS]: Do not replace
2806 all (op (minus A B) 0) with (op A B).
2808 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2809 J"orn Rennecke <amylaar@cygnus.co.uk>
2811 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2812 (block_lump_real): Likewise.
2814 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2816 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2817 remaining non-zero debugging masks.
2819 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2821 * basic-block.h (verify_flow_info): Declare.
2822 (flow_loop_outside_edge_p): Declare.
2823 * flow.c (verify_flow_info): Remove declaration.
2824 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2826 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2828 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2831 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2833 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2834 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2835 seqdi_zero_trunc+1): Allow splits only if registers are
2838 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2840 * acconfig.h: Add HAVE_GAS_HIDDEN.
2841 * config.in: Regenerated.
2842 * configure.in: Add test for .hidden pseudo-op in gas.
2843 * configure: Regenerated.
2844 * crtstuff.c: Include auto-host.h.
2845 Emit additional .hidden pseudo-op for __dso_handle if the
2846 assembler knows about it.
2848 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2850 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2851 before freeing argnames.
2852 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2854 2000-04-05 Michael Meissner <meissner@redhat.com>
2856 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2857 Walton <jonboy@gordian.com> to make memory references with update
2858 work wtih -mregnames.
2860 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2862 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2863 (regrename_optimize): Rename variables `def_uses' and
2864 `ext_basic_blocks' to avoid conflicts with similarly named
2865 typedefs in traditional C.
2867 * calls.c (initialize_argument_information): Fix typo in previous
2870 2000-04-04 Richard Henderson <rth@cygnus.com>
2872 * regrename.c (consider_available): Test fixed_regs not
2873 PIC_OFFSET_TABLE_REGNUM.
2875 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2877 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2879 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2880 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2881 (ENDFILE_LINUX_SPEC): Always use crtend.
2882 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2883 (powerpc-*-linux-gnu): Likewise.
2884 * configure: Regenerate.
2886 * config/rs6000/eabi.h: Don't include sysv4.h.
2887 (MULTILIB_DEFAULTS): Don't define.
2888 * config/rs6000/eabiaix.h: Don't include eabi.h.
2889 * config/rs6000/eabile.h: Delete.
2890 * config/rs6000/eabilesim.h: Delete.
2891 * config/rs6000/eabisim.h: Don't include eabi.h.
2892 * config/rs6000/linux.h: Don't include sysv4.h.
2893 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2894 (MULTILIB_DEFAULTS): Don't redefine.
2895 * config/rs6000/rtems.h: Don't include eabi.h.
2896 * config/rs6000/sol2.h: Don't include sysv4le.h.
2897 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2898 * config/rs6000/t-ppc: Delete.
2899 * config/rs6000/t-ppcgas: Correct comment.
2900 * config/rs6000/t-ppcos: Correct comment. Don't build
2901 multilibs for -fPIC, rather use -fPIC -mstrict-align
2903 * config/rs6000/t-ppc: Delete.
2904 * config/rs6000/vxppc.h: Don't include sysv4.h.
2905 * config/rs6000/vxppcle.h: Delete.
2906 * configure.in: Use multiple header files for p2pc ELF targets
2907 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2908 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2909 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2910 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2911 always available for these platforms.
2913 2000-04-04 Richard Henderson <rth@cygnus.com>
2915 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2917 2000-04-04 Stan Cox <scox@cygnus.com>
2919 * Makefile.in: Add rules for regrename.o
2920 * regrename.c: New file.
2921 * rtl.h (regrename_optimize): Add prototype.
2922 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2923 (compile_file, decode_d_option): Add support for -frename-registers.
2924 (rest_of_compilation): Call regrename_optimize.
2925 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2928 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2930 * Makefile (gccbug): New target.
2931 (doc): Depend on it.
2932 * gcc.texi (Bugs): Link subnodes.
2934 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2935 Document severities, priorities, and classes in bug form.
2937 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2939 * cpplex.c (trigraph_map, speccase): Combine into single
2941 (NORMAL, NONTRI): New macros.
2942 (_cpp_read_and_prescan): Change to use unified table. Use
2943 is_hspace to test for whitespace.
2945 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2946 definition that doesn't provoke the "empty body in an
2947 if-statement" warning.
2949 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2951 * builtins.c (expand_builtin_strlen): Force the source to
2952 be a memory address.
2954 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2956 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2958 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2960 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2961 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2962 (ECF_IS_CONST): Rename to ECF_CONST.
2963 (special_function_p): Make static, change interface.
2964 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2965 (expand_call) ... here; convert number of variables to flags.
2966 (emit_library_call_vlue_1): Likewise.
2967 (setjmp_call_p): New function.
2968 (initialize_argument_information): Accepts flags as argument;
2970 (precompute_arguments): Likewise.
2971 * tree.h (special_function_p): Remove.
2972 (setjmp_call_p): Add prototype.
2974 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2976 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2977 so that addresses are offsetable by up to 16 bytes.
2978 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2979 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2982 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2983 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2984 (movsf): Don't force any constant to memory if target is integer
2986 Move fp_zero_operand check below the const0_rtx check.
2987 (movtf): Likewise. Also allow fp_zero_operand for stores into
2989 (movdf): Likewise. Also allow fp_zero_operand for stores into
2990 memory and into integer hard registers.
2991 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2992 movdf_const_intreg_sp64): Remove.
2993 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2995 (movdf_no_e_insn_v9_sp32): New pattern.
2996 (movdf_insn_v9only): Remove.
2997 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2998 (movdf_insn_sp64): Remove.
2999 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3000 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3001 (following splits): Rewrite conditions. Add two new splits
3002 for storing 0.0 into memory and registers.
3003 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3004 (movtf_insn_sp32): Redo constraints and conditions.
3005 (movtf_insn_vis_sp32): New pattern.
3006 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3007 (movtf_insn_hq_sp64): Likewise.
3008 (movtf_insn_hq_vis_sp64): New pattern.
3009 (movtf_insn_sp64): Redo constraints and conditions.
3010 (movtf_insn_vis_sp64): New pattern.
3011 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3012 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3014 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3015 -mvis or -m64 to take down the number of various reload patterns.
3017 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3019 * pa/pa-64.h: New file.
3020 * pa/pa64-regs.h: New file.
3021 * pa/pa64-start.h: New file.
3022 * pa/t-pa64: New file.
3023 * pa/xm-pa64hpux.h: New file.
3025 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3027 * sparc.c (output_restore_regs): Prototype.
3028 (sparc_emit_float_lib_cmp): Constification.
3030 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3032 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3035 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3036 (get_value_hash, hash_rtx): Likewise.
3038 * ssa.c (compute_conservative_reg_partition): Prototype.
3040 * tree.c (mark_hash_entry): Prototype.
3042 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3044 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3045 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3046 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3048 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3049 * objc/lang-specs.h: Likewise.
3051 2000-04-03 Neil Booth <NeilB@earthling.net>
3053 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3054 and SYNTAX_ERROR2. Replace `' in messages with ''.
3055 (op_to_str): Make re-entrant.
3056 (_cpp_parse_expr): Implement new error macros. Use | rather
3057 than || to logically or 2 boolean integers. Simply expression
3058 checking we have a left operand iff needed.
3060 2000-04-03 Nick Clifton <nickc@cygnus.com>
3062 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3064 2000-04-03 Philip Blundell <philb@gnu.org>
3066 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3068 2000-04-03 Felix Lee <flee@cygnus.com>
3070 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3071 (run_shell): Use it.
3073 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3075 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3076 (stmp-fixproto): ...rather than here.
3078 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3080 * pa.c (print_operand): Compute 'base' only inside the code paths
3083 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3085 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3088 2000-04-03 Philipp Thomas <pthomas@suse.de>
3090 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3092 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3094 * Makefile.in (alias.o): Depend on $(TREE_H).
3096 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3098 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3100 * cpplib.c (_cpp_handle_directive): Improve warnings for
3101 traditional C and indented directives.
3103 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3104 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3105 fixinc/inclhack.def: Indent the # of #include_next one space.
3106 * cp/rtti.c: Un-indent #if and #endif.
3108 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3109 syntax error, but an error has already been printed.
3110 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3111 message when called with nothing remaining on the line.
3112 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3113 OTHER token, not an ASSERTION.
3114 * cpplib.c (do_assert): When we create a 'base' node, clear
3115 its aschain pointer.
3117 2000-04-02 Neil Booth <NeilB@earthling.net>
3119 * cppexp.c: New typedef op_t. struct operation and struct
3120 token updated to use it.
3121 (op_to_str): New function.
3122 (_cpp_parse_expr): Error messages modified to use op_to_str.
3124 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3126 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3127 before checking MUST_PASS_IN_STACK.
3129 2000-04-02 Neil Booth <NeilB@earthling.net>
3131 * cppexp.c: New FINISHED dummy token. Combine operator initial
3132 flags and initial priority into a single constant. New
3133 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3134 (_parse_cpp_expr): Implement new constants. Take left operand
3135 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3136 parse indicated by reducing FINISHED token. Remove new lines
3137 from cpp_error messages.
3139 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3141 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3144 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3146 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3147 directive. Add origin values to DIRECTIVE_TABLE. Generate
3148 the strings and function names on the fly. Take the #sccs
3149 entry out of the table if SCCS_DIRECTIVE is not defined.
3150 (_cpp_handle_directive): Decide if the # was at the beginning
3151 of the line here. Issue -pedantic warnings for extended
3152 directives here. Warn about K+R directives with the #
3153 indented, and C89/extended directives with the # not indented,
3155 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3156 do_assert, do_unassert): Don't issue pedantic warning here.
3158 * cpphash.h: Add CPP_WTRADITIONAL macro.
3159 * cpplib.h (struct cpp_options): Rename warn_stringify to
3160 warn_traditional; update comments.
3161 * cppinit.c (handle_option): Set warn_traditional not
3163 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3164 CPP_WTRADITIONAL (pfile).
3165 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3166 be ignored in -traditional mode here.
3168 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3169 to initialize speccase[] and trigraph_map[]. Delete all
3170 references to pfile->input_speccase. Always treat '?' as a
3171 special character. Remove table-initialization code from
3172 _cpp_init_input_buffer.
3174 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3175 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3177 2000-04-01 Richard Henderson <rth@cygnus.com>
3179 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3180 (mostlyclean): Likewise.
3182 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3183 (struct dump_file_info, enum dump_file_index, dump_file): New.
3184 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3185 not a string. Clean out file if we havn't yet done so. Do nothing
3186 if the dump isn't enabled.
3187 (close_dump_file): Do nothing if the dump isn't open. Dump
3188 graph data if requested.
3189 (dump_rtl, clean_dump_file): Remove.
3190 (compile_file): Don't clean the dump files. Only finalize .bp dump
3191 if flag_test_coverage or flag_branch_probabilities. Only finalize
3192 .combine dump if optimizing. Iterate over dump_file to finalize the
3194 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3195 Convert all uses of dump_rtl.
3196 (decode_d_option): Iterate over dump_file to implement 'a' and to
3197 locate pass-specific dumps.
3199 2000-04-01 Neil Booth <NeilB@earthling.net>
3201 * cppexp.c: Redefine priority constants.
3202 (_cpp_parse_expr): Replace left and right priority scheme with
3203 single priority logic. Move LOGICAL to same place as COMPARE.
3204 Remove bogus check for multiple unary +/- operators.
3206 2000-04-01 Neil Booth <NeilB@earthling.net>
3208 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3209 within the switch statement. Binary operations break out of
3210 the switch naturally. '(' tokens handled by forcing
3211 immediate shift. ')' handled by forcing immediate reduce to
3212 the previous '('. New error messages.
3214 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3216 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3217 part', it's already in use. Use %K instead. Add a return at the
3218 end of what is now %K.
3219 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3221 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3223 * builtins.c (expand_builtin_apply): Pass proper parameters to
3224 allocate_dynamic_stack_space.
3225 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3226 update stack_pointer_delta; do not update arg_size_so_far.
3227 (compute_argument_block_size): Use stack_delta instead of
3228 stack_pointer_pending and arg_size_so_far.
3229 (expand_call): Add sanity checking for stack_pointer_delta;
3230 save and restore stack_pointer_delta for SIB, use
3231 stack_pointer_delta for alignment; do not update arg_space_so_far.
3232 (emit_library_call_value): Use stack_pointer_delta for alignment.
3233 (store_one_arg): Do not update arg_space_so_far.
3234 * explow.c (adjust_stack, anti_adjust_stack): Update
3235 stack_pointer_delta.
3236 (allocate_dynamic_stack_space): Add sanity checking for
3237 stack_pointer_delta.
3238 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3239 stack_pointer_delta.
3240 (emit_push_insn): Update stack_pointer_delta.
3241 * function.h (struct expr_status): Add x_stack_pointer_delta;
3242 remove x_arg_space_so_far.
3243 (arg_space_so_far): Remove.
3244 (stack_pointer_delta): New macro.
3246 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3248 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3249 Reorder struct cpp_options and struct cpp_reader for better
3250 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3251 takes two args. Change all 'char' flags to 'unsigned char'.
3252 Move show_column flag into struct cpp_options. Don't
3253 prototype cpp_options_init.
3254 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3255 cppinit.c, cpplex.c, cpplib.c:
3256 Replace CPP_OPTIONS (pfile)->whatever with
3257 CPP_OPTION (pfile, whatever), and likewise for
3258 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3260 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3261 Extract CPP_OPTION (pfile, pending) and work with that
3263 (cpp_options_init): Delete.
3264 (cpp_reader_init): Turn on on-by-default options here.
3265 Allocate the pending structure here.
3266 (cl_options, enum opt_code): Define these from the same table,
3267 kept in a large macro. Add -fshow-column and -fno-show-column
3270 * cpperror.c (v_message): If show_column is off, don't print
3273 * cppmain.c: Update for new interface.
3274 * fix-header.c: Likewise.
3276 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3278 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3280 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3281 are passed to any invocation of AR_FOR_TARGET.
3282 (AR_CREATE_FOR_TARGET): New macro.
3283 (AR_EXTRACT_FOR_TARGET): New macro.
3284 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3285 AR_EXTRACT_FOR_TARGET.
3286 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3287 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3288 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3289 AR_EXTRACT_FOR_TARGET to sub-makes.
3291 2000-03-31 Neil Booth <NeilB@earthling.net>
3293 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3295 (_cpp_parse_expr): Check for multiple unary +/- operators.
3296 Correct priorities of ':' and '?'. Treat ')' as having a
3297 value. Ensure conditional expression is not void.
3299 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3301 * alias.c (canon_rtx): Make it global.
3302 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3304 * cse.c (struct table_elt): Add canon_exp.
3306 (invalidate): Canonicalize expressions only once.
3307 * rtl.h (canon_rtx): Declare.
3309 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3311 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3312 * alias.c (reg_known_value): Add comments.
3313 (init_alias_analysis): Likewise.
3314 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3316 (cse_basic_block): Fix typo in comment.
3317 * emit-rtl.c: Include hashtab.h.
3318 (const_int_htab): New variable.
3319 (const_int_htab_hash): New function.
3320 (const_int_htab_eq): Likewise.
3321 (rtx_htab_mark_1): Likewise.
3322 (rtx_htab_mark): Likewise.
3323 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3324 (unshare_all_rtx): Fix formatting.
3325 (init_emit_once): Initialize const_int_htab.
3326 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3328 * rtl.texi: Document the fact that all CONST_INTs with the same
3331 2000-03-30 Richard Henderson <rth@cygnus.com>
3333 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3335 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3337 * configure.in: Comment out --enable-c-cpplib stanza.
3338 * configure: Regenerate.
3340 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3342 * expr.c (store_constructor): Properly compute displacement and
3343 alignment when offset is variable.
3345 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3346 cases of alignment in bytes.
3348 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3350 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3351 since it is used to generate c-parse.y.
3352 * objc-parse.c, objc-parse.y: Regenerated.
3354 * function.c (expand_function_end): Pass alignment argument to
3355 emit_block_move in bits, not bytes.
3357 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3359 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3362 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3364 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3365 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3366 * function.c (assign_parms): Likewise.
3367 * integrate.c (expand_inline_function): Likewise.
3368 * stmt.c (expand_decl): Likewise.
3369 (copy_rtx_and_substitute): Likewise.
3370 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3371 (clear_by_pieces): Fix error in last change.
3372 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3373 * function.h (regno_pointer_align): Now unsigned.
3374 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3376 * config/i386/i386.c (aligned_operand): Likewise.
3377 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3378 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3379 (unaligned_memory_operand): Likewise.
3380 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3381 Also make alignments and sizes unsigned and some whitespace cleanup.
3382 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3384 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3385 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3386 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3387 (expand_builtin_memset): Likewise, but to clear_storage.
3388 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3389 (restore_fixed_argument_area): Likewise.
3390 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3391 (load_register_parameters): Likewise, to emit_group_load.
3392 (expand_call): Likewise, to emit_group_store and emit_block_move.
3393 (emit_library_call_value_1): Likewise, to emit_block_move.
3394 (store_one_arg): Likewise, and to emit_push_insn.
3395 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3396 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3397 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3398 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3399 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3400 (expand_assigment, store_expr, store_constructor_field): Likewise.
3401 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3402 (store_constructor, store_field, get_inner_reference): Likewise.
3403 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3404 (expand_expr, case COMPONENT_REF): Likewise.
3405 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3406 and positions; reindent code.
3407 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3408 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3409 (assign_parms): Likewise to emit_group_store.
3410 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3411 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3412 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3413 (expand_return): Likewise to {extract,store}_bit_field.
3414 * stor-layout.c (get_mode_alignment): Minor cleanup.
3415 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3416 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3418 2000-03-29 Nick Clifton <nickc@cygnus.com>
3420 * config/arm/arm.h: Undo effects of previous delta:
3421 (ASM_SPEC): Do not define.
3422 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3424 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3427 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3429 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3430 only after reading in the primary source file.
3432 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3434 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3435 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3436 or a reference to a va_list.
3437 * builtins.c (stabilize_va_list): Simplify now we don't have to
3438 work around C array address decay.
3439 * c-typeck.c (convert_for_assignment): Handle assignment to
3440 a reference parameter by taking the address of the RHS.
3441 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3442 (va_copy): Likewise.
3443 (__va_copy): Likewise.
3444 * ginclude/varargs.h (va_start): Likewise.
3445 (__va_copy): Likewise.
3447 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3449 * i386/djgpp.h: Remove extraneous "+".
3451 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3453 * calls.c (expand_call): Fix typo in last change.
3455 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3457 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3460 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3462 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3463 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3464 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3465 * tree.c (bit_position, byte_position): Likewise.
3466 * tree.h: Declare new functions.
3468 2000-03-29 Nick Clifton <nickc@cygnus.com>
3470 * config/arm/arm.c: Minor formatting changes/
3471 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3473 (ASM_SPEC): Define if not already defined.
3475 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3477 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3480 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3482 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3483 value, don't output it as unsigned.
3485 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3487 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3489 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3491 * c-common.c (c_common_nodes_and_builtins): Don't special case
3492 cplus_mode when declaring builtin bzero/bcmp, always avoid
3493 prototype arguments.
3495 2000-03-29 Bruce Korb <bkorb@gnu.org>
3497 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3500 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3502 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3503 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3504 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3505 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3506 (save_fixed_argument_area, restore_fixed_argument_area):
3507 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3508 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3509 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3510 (precompute_register_parameters): Avoid #ifdefs on
3511 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3512 (stire_one_args): Likewise.
3513 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3514 (emit_library_call_value_1): Likewise.
3515 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3516 ACCUMULATE_OUTGOING_ARGS.
3517 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3519 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3520 (use_crosses_set_p): Likewise.
3521 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3522 #define ACCUMULATE_OUTGOING_ARGS 1.
3523 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3525 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3527 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3528 (TARGET_SWITCHES): Add push-args, no-push-args,
3529 accumulate-outgoing-args and no-accumulate-outgoing-args.
3530 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3531 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3532 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3534 (emit_push_insn): Likewise.
3535 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3536 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3537 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3538 (STACK_DYNAMIC_OFFSET): Define correctly for both
3539 ACCUMULATE_OUTGOING_ARGS and normal mode.
3540 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3541 * tm.texi (PUSH_ARGS): Document.
3542 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3544 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3546 * flags.h (flag_optimize_sibling_calls): Declare.
3547 * calls.c (expand_call): Fail sibcall when
3548 !flag_optimize_sibling_calls
3549 * invoke.texi (flag_optimize_sibling_calls): Document.
3550 * toplev.c (flag_optimize_sibling_calls): New global variable.
3551 (f_options): Add flag_optimize_sibling_calls.
3552 (rest_of_compilation): Conditionize
3553 optimize_sibling_and_tail_recursive_calls by
3554 flag_optimize_sibling_calls.
3555 (main): Set flag_optimize_sibling_calls for -O2.
3556 * stmt.c (expand_return): Conditionize tail recursion by
3557 flag_optimize_sibling_calls.
3559 2000-03-29 Richard Henderson <rth@cygnus.com>
3561 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3562 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3564 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3566 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3568 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3570 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3572 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3573 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3574 * config/rs6000/aix.h: then modified likewise.
3576 2000-03-28 Richard Henderson <rth@cygnus.com>
3578 * rtl.h: Redistribute enum reg_note documentation.
3579 Kill trailing whitespace.
3580 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3581 Kill trailing whitespace.
3583 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3585 * cppfiles.c (hash_IHASH): Just return i->hash.
3586 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3587 htab_find_with_hash.
3588 (cpp_read_file): Likewise.
3589 (find_include_file): Likewise. Properly initialize
3590 ih->nshort. Share ih->name and ih->nshort if possible.
3591 * cpphash.c (_cpp_calc_hash): New function.
3592 (hash_HASHNODE): Just return h->hash.
3593 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3594 htab_find_with_hash.
3595 * cpphash.h: Prototype _cpp_calc_hash.
3596 * cppinit.c (initialize_builtins): Provide a valid hash
3597 to _cpp_make_hashnode, using _cpp_calc_hash.
3599 * cpphash.c (collect_expansion): # is not a special character
3600 in object-like macros. In -traditional mode, /**/ is not
3601 token paste at the beginning or end of the line.
3602 * cpplib.c (do_include, do_import, do_include_next): If
3603 parse_include fails, return immediately.
3605 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3607 * config/arm/arm.md (return peepholes): Update to reflect the new
3609 * config/arm/arm.c (arm_volatile_func): Also check
3610 current_function_nothrow.
3611 (output_return_instruction, output_func_prologue): Use it.
3612 (arm_output_epilogue, arm_expand_prologue): Likewise.
3614 2000-03-27 Tom Tromey <tromey@cygnus.com>
3616 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3619 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3621 * expr.c (store_constructor): SIZE now signed.
3622 For EXPR_SIZE, don't evaluate size; just needed if constant.
3623 * fold-const.c (fold): Fix a number of cases when folded tree is
3625 * function.c (flush_addressof): Reenable.
3626 * tree.h (flush_addressof): Likewise.
3627 * toplev.c (independent_decode_option): Look at strings_processed.
3628 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3630 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3632 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3633 Allow stack adjustment after function call.
3635 * regmove.c (struct csa_memlist): Make mem field rtx *.
3636 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3637 (try_apply_stack_adjustment): Replace whole MEM rtx.
3638 (combine_stack_adjustments_for_block): Update calls
3639 to record_one_stack_ref.
3641 2000-03-28 Neil Booth <NeilB@earthling.net>
3643 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3644 '\\' rather than a null character, so nulls are not special. Fix
3645 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3646 speed trigraph conversion.
3647 (_cpp_init_input_buffer): Initialize trigraph map.
3649 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3651 * config/i386/i386.c (output_387_binary_op): Correct intel
3652 mode assembly output, and add spaces after commas in AT&T
3653 output. Correct Unixware assembler comment. Document input
3654 constraints. Comment fp operations. Reduce profligate buffer
3655 size. Remove extraneous abort. Localize temp var.
3656 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3657 (output_fix_trunc): Add spaces after commas in assembly output.
3659 2000-03-27 Richard Henderson <rth@cygnus.com>
3661 * i386-protos.h (ix86_match_ccmode): Declare.
3662 * i386.c (ix86_match_ccmode): New.
3663 (ix86_expand_fp_compare): Update for pattern renames.
3664 (ix86_expand_strlensi_unroll_1): Likewise.
3665 * i386.h (EXTRA_CC_MODES): Add CCZ.
3666 (SELECT_CC_MODE): Use it for EQ/NE zero.
3667 * i386.md (cmpsi_ccz_1): New.
3669 (*testsi_ccz_1): New.
3670 (testqi_ccz_1): New.
3671 (cmpsi_ccno_1): Rename from cmpsi_0.
3672 (testsi_ccno_1): Rename from testsi_1.
3673 (testqi_ccno_1): Rename from testqi_1.
3674 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3675 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3676 (*cmphi_0): Use ix86_match_ccmode.
3677 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3678 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3679 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3680 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3681 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3682 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3683 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3684 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3685 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3686 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3687 (appropriate peepholes): Likewise.
3688 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3689 (*subsi_3, *subhi_3, *subqi_3): Remove.
3690 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3691 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3692 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3693 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3694 (x86_shift_adj_1): Use CCZ.
3695 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3697 2000-03-27 Stan Cox <scox@cygnus.com>
3699 * resource.h (mark_resource_type): New.
3700 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3701 find_free_register): Use mark_resource_type.
3702 (mark_set_resources): Change include_delayed_effects
3703 to mark_resource_type.
3704 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3705 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3706 Use mark_resource_type.
3708 2000-03-27 Richard Henderson <rth@cygnus.com>
3710 * i386.md (call_pop_0, call_value_pop_0): New.
3711 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3712 (call_value_pop_1): Likewise.
3713 (call_0, call_value_0): New.
3714 (call_1, call_value_1): Remove constraint from unused arg.
3716 2000-03-27 Nick Clifton <nickc@cygnus.com>
3718 * invoke.texi (Spec Files): Document new spec % command created by
3719 Tom Tromey's recent patch.
3721 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3723 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3726 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3728 * expr.c (expand_assignment): Fix typo in last change.
3730 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3732 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3734 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3735 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3736 and DECL_INLINE if FUNCTION_DECL.
3737 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3738 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3739 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3740 (combine_parm_decls): Likewise.
3741 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3742 * print-tree.c (print_node): Likewise.
3743 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3744 DECL_TRANSPARENT_UNION on proper decl types.
3745 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3746 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3747 DECL_BIT_FIELD of FIELD_DECL.
3748 * tree.h (DECL_RESULT_FLD): New macro.
3750 * expr.c (expand_assignment): Add code to handle variable-sized
3753 2000-03-26 Richard Henderson <rth@cygnus.com>
3755 * calls.c (expand_call): Pass parms not original exp to
3756 optimize_tail_recursion. Mind return value instead of looking
3758 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3759 call_expr. Move checks for call_expr and current_function_decl ...
3760 (expand_return): ... here.
3762 2000-03-26 Tom Tromey <tromey@cygnus.com>
3764 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3765 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3767 (process_command): Use them.
3768 (check_live_switch): Likewise.
3769 (give_switch): Skip ignored switches.
3771 2000-03-26 Jan Hubicka <jh@suse.cz>
3773 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3774 for minimal jump pass test.
3776 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3778 * integrate.c (function_cannot_inline_p): Do inline functions that
3781 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3783 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3784 now a list of TREE_LIST entries, not types.
3785 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3787 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3788 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3790 * config/mips/mips.c (function_arg): Likewise; also remove cast
3791 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3792 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3793 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3794 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3795 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3796 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3797 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3798 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3799 num_adjusts now unsigned.
3800 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3801 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3803 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3804 as is BITPOS variable; use host_integerp and int_bit_position.
3805 (function_arg_record_value_2): Likewise.
3806 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3807 Variable REGNO now unsigned.
3808 (function_arg_record_value): NREGS now unsigned.
3810 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3812 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3814 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3816 * Rework fields used to describe positions of bitfields and
3817 modify sizes to be unsigned and use HOST_WIDE_INT.
3818 * alias.c (reg_known_value_size): Now unsigned.
3819 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3820 (really_start_incremental_init): Use bitsize_zero_node.
3821 (push_init_level, pop_init_level, output_init_element): Likewise.
3822 Use bitsize_unit_node and bitsize_one_node.
3823 (output_pending_init_elements, process_init_element): Likewise.
3824 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3825 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3826 HOST_WIDE_INT, respectively.
3827 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3828 (num_sign_bit_copies): Returns unsigned.
3829 BITWIDTH now unsigned; rework arithmetic.
3830 Remove recursive call from arg to MAX.
3831 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3832 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3834 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3835 (find_split_point, expand_compound_operation, make_extraction): LEN
3836 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3837 (make_field_assignment): Likewise.
3838 (combine_simplify_rtx): Add cast.
3839 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3840 (force_to_mode): WIDTH now unsigned; add cast.
3841 (if_then_else_cond): SIZE now unsigned.
3842 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3843 (extended_count): Now returns unsigned.
3844 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3845 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3846 (simplify_comparison): MODE_WIDTH now unsigned.
3847 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3848 (mark_used_regs_combine): Likewise; rework arithmetic.
3849 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3850 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3851 (record_promoted_value): REGNO now unsigned.
3852 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3853 (get_last_value): REGNO now unsigned.
3854 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3855 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3856 (remove_death): Arg REGNO now unsigned.
3857 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3858 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3860 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3861 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3862 (struct cse_reg_info): REGNO now unsigned.
3863 (cached_regno): Now unsigned.
3864 (REGNO_QTY_VALID_P): Add cast.
3865 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3866 (remove_invalid_regs): Likewise.
3867 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3868 as are variables END and I.
3869 (get_cse_reg_info, insert): Likewise.
3870 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3871 (canon_hash): Likewise.
3872 (insert_regs, lookup_for_remove): REGNO now unsigned.
3873 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3875 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3876 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3877 * emit-rtl.c (subreg_realpart_p): Add cast.
3878 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3879 (operand_subword_force): Arg I is now unsigned.
3880 * except.c (eh_regs): Variable I is now unsigned.
3881 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3882 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3883 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3884 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3885 (extract_split_bit_field, store_bit_field, extract_bit_field):
3887 * expr.c (store_constructor_fields, store_constructor, store_field):
3888 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3889 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3890 (do_jump): Likewise.
3891 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3892 MAX_SIZE is now unsigned.
3893 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3894 (emit_group_store): Likewise.
3895 (emit_move_insn): I now unsigned.
3896 (store_constructor): Use host_integerp, tree_low_cst, and
3898 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3899 Rework all calculations to use trees and new fields.
3900 * expr.h (promoted_input_arg): Regno now unsigned.
3901 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3902 (mark_seen_cases): Arg is HOST_WIDE_INT.
3903 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3904 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3905 precisions and alignments are unsigned.
3906 (optimize_bit_field_compare, fold_truthop): Likewise.
3907 (int_const_binop): Adjust threshold for size_int_type_wide call.
3908 (fold_convert): Likewise.
3909 (size_int_type_wide): Make table larger and fix thinko that only
3910 had half of table used.
3911 (all_ones_mask_p, fold): Precisions are unsigned.
3912 * function.c (put_reg_info_stack): REGNO is unsigned.
3913 (instantiate_decl): Size is HOST_WIDE_INT.
3914 (instantiate_virtual_regs): I is unsigned.
3915 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3916 (promoted_input_arg): REGNO is unsigned.
3917 * function.h (struct function): x_max_parm_reg is now unsigned.
3918 * gcse.c (max_gcse_regno): Now unsigned.
3919 (struct null_pointer_info): min_reg and max_reg now unsigned.
3920 (lookup_set, next_set): REGNO arg now unsigned.
3921 (compute_hash_table): REGNO and I now unsigned.
3922 (handle_avail_expr): regnum_for_replacing now unsigned.
3923 (cprop_insn): REGNO now unsigned.
3924 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3925 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3926 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3927 * hard-reg-set.h (reg_class_size): Now unsigned.
3928 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3929 * jump.c (mark_modified_reg): I now unsigned; add cast.
3930 (rtx_equal_for_thread_p): Add cast.
3931 * loop.c (max_reg_before_loop): Now unsigned.
3932 (struct_movable): REGNO now unsigned.
3933 (try_copy_prop): REGNO arg unsigned.
3934 (regs_match_p): XN and YN now unsigned.
3935 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3936 (strength_reduce): Likewise; NREGS also unsigned.
3937 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3938 * loop.h (struct iv_class): REGNO now unsigned.
3939 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3941 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3942 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3943 * optabs.c (expand_binop): I and NWORDS now unsigned.
3944 (expand_unop): I now unsigned.
3945 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3946 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3947 * real.c (significand_size): Now returns unsigned.
3948 * real.h (significand_size): Likewise.
3949 * regclass.c (reg_class_size): Now unsigned.
3950 (choose_hard_reg_mode): Both operands now unsigned.
3951 (record_reg_classes): REGNO and NR now unsigned.
3952 (reg_scan): NREGS now unsigned.
3953 (reg_scan_update): old_max_regno now unsigned.
3954 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3955 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3956 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3957 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3958 Likewise for variable R.
3959 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3960 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3961 (find_equiv_reg): Add casts.
3962 (regno_clobbered_p): Arg REGNO now unsigned.
3963 * reload.h (struct reload): NREGS now unsigned.
3964 (refers_to_regno_for_reload_p): Regno args are unsigned.
3965 (regno_clobbered_p): Likewise.
3966 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3967 (compute_use_by_pseudos): REGNO now unsigned.
3968 (find_reg): I and J now unsigned, new variable K, and change loop
3969 variables accordingly; THIS_NREGS now unsigned.
3970 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3971 (spill_hard_reg): REGNO arg now unsigned; add casts.
3972 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3973 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3974 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3975 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3976 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3977 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3978 (emit_reload_insns): REGNO now unsigned.
3979 (reload_cse_move2add): Add cast.
3980 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3982 * resource.c (mark_referenced_resources, mark_set_resources): New
3983 variable R; REGNO and LAST_REGNO now unsigned.
3984 (mark_target_live_regs): J and REGNO now unsigned.
3985 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3986 * rtl.h (union rtunion_def): New field rtuint.
3987 (XCUINT): New macro.
3988 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3989 (operand_subword, operand_subword_force): Word number is unsigned.
3990 (choose_hard_reg_mode): Operands are unsigned.
3991 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3992 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3993 (regno_use_in, combine_instructions, remove_death): Likewise.
3994 (reg_scan, reg_scan_update): Likewise.
3995 (extended_count): Return is unsigned.
3996 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3997 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3998 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3999 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4000 (reg_reg_last_1): FIRS and LAST now unsigned.
4001 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4002 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4004 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4005 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4006 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4007 (replace_regs): Arg NREGS now unsigned.
4008 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4009 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4010 (simplify_binary_operation): Likewise.
4011 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4012 THIS_LAST now unsigned.
4013 (cselib_record_set): Add cast.
4014 * ssa.c (ssa_max_reg_num): Now unsigned.
4015 (rename_block): REGNO now unsigned.
4016 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4018 (all_cases_count): Just return -1 not -2.
4019 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4020 Rework tests to use trees whenever possible.
4021 Use host_integerp and tree_low_cst.
4022 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4023 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4024 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4025 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4026 (smallest_mode_for_size): Likewise.
4027 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4028 KNOWN_ALIGN is now an alignment, so simplify code.
4029 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4030 (start_record_layout): Renamed from new_record_layout_info.
4031 Update to new fields.
4032 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4034 (place_union_field): Renamed from layout_union_field.
4035 Update to use new fields in rli.
4036 (place_field): Renamed from layout_field.
4037 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4038 (finalize_record_size): Rework to use new fields in rli and handle
4040 (compute_record_mode): Rework to simplify and to use new DECL fields.
4041 (finalize_type_size): Make rounding more consistent.
4042 (finish_union_layout): Deleted.
4043 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4044 (layout_type, case RECORD_TYPE): Call new function names.
4045 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4046 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4047 (get_best_mode): UNIT is now unsigned; remove casts.
4048 * tree.c (bit_position): Compute from new fields.
4049 (byte_position, int_byte_position): New functions.
4050 (print_type_hash_statistics): Cast to remove warning.
4051 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4052 (build_index_type): Likewise; make subtype of sizetype.
4053 (build_index_2_type): Pass sizetype to build_range_type.
4054 (build_common_tree_nodes): Use size_int and bitsize_int to
4055 initialize nodes; add bitsize_{zero,one,unit}_node.
4056 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4057 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4058 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4059 (DECL_FIELD_BITPOS): Deleted.
4060 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4061 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4062 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4063 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4064 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4065 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4066 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4067 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4068 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4069 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4070 (DECL_ALIGN): Adjust to new field in union.
4071 (DECL_OFFSET_ALIGN): New field.
4072 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4073 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4074 (union tree_decl): Add struct for both aligns.
4075 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4076 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4077 (struct record_layout_info): Rework fields to have offset
4078 alignment and byte and bit position.
4079 (start_record_layout, place_field): Renamed from old names.
4080 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4081 (byte_position, int_byte_position): Likewise.
4082 (get_inner_reference): Change types of position and length.
4083 * unroll.c (unroll_loop): New variable R; use for some loops.
4084 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4085 (calculate_giv_inc): Arg REGNO now unsigned.
4086 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4087 * varasm.c (assemble_variable): Clean up handling of size using
4088 host_integerp and tree_low_cst.
4089 (decode_addr_const): Use byte, not bit, position.
4090 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4091 use tree_low_cst and int_bit_position.
4092 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4094 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4096 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4097 (reorder_block_def): New members eff_head and eff_end.
4098 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4099 (verify_insn_chain): New function.
4100 (skip_insns_between_block): Add code to skip deleted insns.
4101 Check for note before using.
4102 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4103 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4104 Check for note before using.
4105 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4106 (fixup_reorder_chain): Restructure, clean up, defect removal.
4107 (reorder_basic_blocks): Remove last_insn and references to it.
4108 Moved insn chain verification code into a new function (see above).
4109 Delete defective code that sets last insn.
4110 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4113 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4115 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4117 2000-03-24 Richard Henderson <rth@cygnus.com>
4119 * tree.c (lang_safe_for_unsave): Remove.
4120 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4121 allowing for two levels of unsafeness. Remove lang hook.
4122 * tree.h: Update declarations.
4123 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4124 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4125 Always fail sibcalls when there are pending cleanups.
4127 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4129 * flow.c (propagate_block): When we delete an ADDR_VEC,
4130 also delete the BARRIER following it if there is one.
4132 2000-03-24 Richard Henderson <rth@cygnus.com>
4134 * builtins.c (expand_builtin_bzero): Convert `length' argument
4137 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4139 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4140 comparison if regno's are equal.
4141 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4142 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4143 (expand_call): Update caller.
4144 Avoid making a sibling call if argument size of the callee is larger
4145 than argument size of the caller.
4146 Call hard_function_value with outgoing set if in sibcall pass.
4147 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4149 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4150 Change LEAF_REGISTERS from an array initializer to actual array
4151 identifier. Move static global variable into the function.
4152 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4153 sequences for leaf functions.
4154 * global.c (global_alloc): Likewise.
4155 * tm.texi (LEAF_REGISTERS): Update documentation.
4157 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4158 TARGET_FLAT leaf disabling hack.
4159 (LEAF_REGISTERS): Changed from an array initializer to actual array
4160 identifier to avoid duplication and remove the above hack.
4161 (FUNCTION_OK_FOR_SIBCALL): Define.
4162 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4163 always like call attribute.
4164 (eligible_for_sibcall_delay): New attribute.
4165 (sibcall): New delay type.
4166 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4167 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4168 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4169 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4170 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4172 (output_function_epilogue): Move part of the code into
4173 output_restore_regs.
4174 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4176 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4179 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4180 until infrastructure is finished.
4182 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4184 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4185 (save_parm_insns): Not here.
4187 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4189 * builtins.c (expand_builtin_bzero): New function.
4190 (expand_builtin): Handle bzero.
4192 * builtins.def: Add BUILT_IN_BZERO.
4194 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4195 prototype & function for bzero.
4197 2000-03-23 Michael Meissner <meissner@redhat.com>
4199 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4200 change adding TARGET_FP to the TF floating point insns, except for
4201 trunctfsf2, which generates direct calls to truncdfsf2.
4203 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4205 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4206 try to protect against middle-end changes that break binary
4208 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4210 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4212 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4214 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4216 * calls.c (expand_call): If TARGET is passed by reference and
4217 is readonly, write a CLOBBER.
4219 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4221 * builtins.c (expand_builtin): Handle bcmp.
4223 * builtins.def: Add BUILT_IN_BCMP.
4225 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4226 prototype & function for bcmp.
4228 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4230 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4231 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4232 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4234 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4236 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4237 alternative when using -fp64 -gp32.
4239 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4241 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4242 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4243 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4245 * frame.h (frame_state): Revert last change.
4246 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4247 * libgcc2.c (throw_helper): Revert last change.
4249 2000-03-22 Richard Henderson <rth@cygnus.com>
4251 * stmt.c (expand_asm_operands): Don't promote the temporary.
4253 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4255 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4256 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4257 c_get_alias_set): Likewise.
4258 * c-decl.c (duplicate_decls): Likewise.
4259 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4260 * calls.c (initialize_argument_information): Likewise.
4261 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4263 * dwarfout.c (decl_class_context,output_type): Likewise.
4264 * expr.c (get_inner_reference): Likewise.
4265 * fold-const.c (simple_operand_p,fold): Likewise.
4266 * function.c (aggregate_value_p): Likewise.
4267 * stmt.c (expand_asm_operands): Likewise.
4268 * varasm.c (named_section): Likewise.
4270 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4272 Implement dwarf2 exception handling for the ARM.
4273 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4274 (DWARF_FRAME_RETURN_COLUMN): Define.
4275 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4276 REG_FRAME_RELATED_EXPR note.
4277 (emit_sfm): Likewise.
4278 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4279 * dwarf2out.c (reg_save): Handle saving a register to itself.
4280 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4281 * except.c (eh_regs): Don't use the static chain reg if it's
4283 * frame.h (frame_state): Add cfa_saved field.
4284 * frame.c (execute_cfa_insn): Set it.
4285 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4287 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4289 (instantiate_virtual_regs): Adjust.
4291 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4292 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4293 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4295 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4296 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4298 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4300 * builtins.def: New file.
4302 * Makefile.in (TREE_H): Depend on builtins.def.
4304 * builtins.c (built_in_names): Use builtins.def.
4306 * tree.h (built_in_function): Likewise.
4308 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4310 * tree.c (size_in_bytes): Return size_zero_node, not
4313 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4315 * config/fp-bit.c (pack_d): Correct the case when a denormal
4316 is rounded up and stops being denormal.
4318 2000-03-21 Richard Henderson <rth@cygnus.com>
4320 * config/alpha/alpha.c (function_arg): Check for void_type_node
4321 before using MUST_PASS_IN_STACK.
4323 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4325 * regmove.c (combine_stack_adjustments_for_block): Check that
4326 the stack pointer is a valid memory address.
4328 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4330 * calls.c: re-install Mar 16 emit_library_call merge.
4332 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4334 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4335 we cannot be sure that if reload_completed base register will
4336 be properly aligned.
4338 2000-03-21 Richard Henderson <rth@cygnus.com>
4340 * flow.c (delete_block): Fix typo last change.
4342 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4344 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4345 not COMPLETE_TYPE_P, to check the type of the expression.
4347 2000-03-21 Michael Meissner <meissner@redhat.com>
4349 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4350 all floating point insns that just tested the macro
4351 TARGET_HAS_XFLOATING_LIBS.
4352 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4353 used to only use the gprs.
4355 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4357 * tree.h (COMPLETE_TYPE_P): New macro.
4358 (COMPLETE_OR_VOID_TYPE_P): New macro.
4359 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4360 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4361 * c-aux-info.c (gen_type): Use them.
4362 * c-common.c (c_expand_expr_stmt): Likewise.
4363 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4364 grokdeclarator, grokparms, finish_struct, start_function,
4365 store_parm_decls, combine_parm_decls): Likewise.
4366 * c-parse.y (cast_expr): Likewise.
4367 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4368 c_size_in_bytes, c_alignof, build_component_ref,
4369 build_indirect_ref, build_array_ref, convert_arguments,
4370 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4371 * calls.c (initialize_argument_information): Likewise.
4372 * convert.c (convert_to_integer): Likewise.
4373 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4374 * dwarfout.c (location_or_const_value_attribute,
4375 output_enumeration_type_die, output_structure_type_die,
4376 output_union_type_die, output_type): Likewise.
4377 * expr.c (safe_from_p, expand_expr): Likewise.
4378 * function.c (assign_parms): Likewise.
4379 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4380 * tree.c (build_array_type, build_function_type,
4381 build_method_type, build_offset_type, build_complex_type): Likewise.
4382 * c-parse.c, c-parse.h: Regenerated.
4384 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4386 * config/c4x/rtems.h: Include config/rtems.h.
4388 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4390 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4391 decl is a FUNCTION_DECL
4393 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4395 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4396 function uses output registers. Don't save RP for leaf functions.
4397 Do save RP even if no epilogue.
4398 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4399 (CALL_USED_REGISTERS): Unmark in registers.
4400 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4403 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4405 * config/rs6000/rs6000.md (bunordered): New expander.
4406 (bordered): New expander.
4407 (buneq): New expander.
4408 (bunge): New expander.
4409 (bungt): New expander.
4410 (bunle): New expander.
4411 (bunlt): New expander.
4412 (bltgt): New expander.
4414 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4415 (ccr_bit_negated_p): New function.
4416 (print_operand): For %C, generate appropriate cror for UNEQ,
4417 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4419 2000-03-20 Andreas Jaeger <aj@suse.de>
4421 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4424 * tree.h (safe_for_unsave): Prototype.
4426 2000-03-20 Richard Henderson <rth@cygnus.com>
4428 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4429 (combine_stack_adjustments_for_block): Don't allow sp references
4430 in the side of a set we're not fixing up.
4431 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4432 after life_analysis.
4434 2000-03-20 Richard Henderson <rth@cygnus.com>
4436 * calls.c (expand_call): Don't bother generating tail call
4437 sequences if there are pending cleanups. Use
4438 expand_start_target_temps/expand_end_target_temps to elide
4439 cleanups created during sibcall expansion.
4441 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4443 * configure.in: Set $IFS to a value if it doesn't already have one
4444 in the --enable-checking handling.
4445 * configure: Regenerate.
4447 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4449 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4450 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4453 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4455 * jump.c (delete_noop_moves): Remove code attempting to
4456 combine stack adjustments.
4458 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4460 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4461 * except.c (emit_cleanup_handler): Use them.
4462 (expand_end_all_catch): Likewise.
4463 * function.c (fixup_var_refs): Likewise.
4464 (expand_function_end): Clear catch_clauses_last.
4465 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4466 * except.h (struct eh_status): New field x_catch_clauses_last.
4467 (catch_clauses_last): New define.
4469 * Makefile.in (tree.o): Depend on HASHTAB_H.
4470 * tree.c: Include hashtab.h.
4471 (struct type_hash): Remove next field.
4472 (TYPE_HASH_SIZE): Remove.
4473 (TYPE_HASH_INITIAL_SIZE): New define.
4474 (type_hash_table): Change type to htab_t.
4475 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4476 mark_hash_entry): New functions.
4477 (init_obstacks): Allocate type hash.
4478 (type_hash_lookup): Use htab functions.
4479 (type_hash_add, mark_type_hash): Likewise.
4480 (dump_tree_statistics): Call print_type_hash_statistics.
4482 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4484 * rs6000/t-aix41: New file.
4486 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4488 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4490 * tm.texi (Driver): Fix typos and tweak entry for
4492 Move misplaced STRUCT_FORCE_BLK entry ...
4493 (Storage Layout): ... to here.
4494 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4496 2000-03-19 Richard Henderson <rth@cygnus.com>
4498 * flow.c (delete_block): Delete the addr_vec along with the block.
4499 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4502 * fold-const.c (extract_muldiv): Apply type check for defined
4503 overflow to multiply as well as divide.
4505 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4507 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4509 * emit-rtl.c (remove_unncessary_notes): Check that all
4510 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4511 associated NOTE_BLOCK.
4512 * function.h (identify_blocks): Update comments.
4513 (reorder_blocks): Declare.
4514 * function.c (identify_blocks): Don't take paramters.
4515 (reorder_blocks): Don't take parameters.
4516 * loop.h (find_loop_tree_blocks): Remove.
4517 (unroll_block_trees): Likewise.
4518 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4519 reorder_blocks instead of unroll_block_trees.h
4520 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4521 * stmt.c (find_loop_tree_blocks): Remove.
4522 (unroll_block_trees): Likewise.
4523 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4524 in whole-function mode.
4525 * tree.h (reorder_blocks): Remove declaration.
4527 * expr.c: Include intl.h.
4528 * Makefile.in (expr.o): Depend on intl.h.
4530 2000-03-18 Richard Henderson <rth@cygnus.com>
4532 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4534 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4536 * tree.h (tree_index): Remove enumerals for integer types.
4537 (integer_type_kind): New type.
4538 (integer_types): New variable.
4539 (char_type_node): Adjust.
4540 (signed_char_type_node): Likewise.
4541 (unsigned_char_type_node): Likewise.
4542 (short_integer_type_node): Likewise.
4543 (short_unsigned_type_node): Likewise.
4544 (integer_type_node): Likewise.
4545 (unsigned_type_node): Likewise.
4546 (long_integer_type_node): Likewise.
4547 (long_unsigned_type_node): Likewise.
4548 (long_long_integer_type_node): Likewise.
4549 (long_long_unsigned_type_node): Likewise.
4550 * tree.c (integer_types): New variable.
4551 (init_obstacks): Register it as a root.
4553 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4555 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4556 NEXT_INSN. Update last insn in chain.
4558 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4560 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4561 with TYPE_DECL_SUPPRESS_DEBUG set.
4563 2000-03-18 Richard Henderson <rth@cygnus.com>
4565 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4567 2000-03-18 Richard Henderson <rth@cygnus.com>
4569 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4570 care for HALF_PIC_P.
4571 (expander_call_insn_operand): Remove.
4572 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4573 * i386.h (PREDICATE_CODES): Update.
4574 * i386.md (all call expanders): Remove predicates, remove special
4575 handling for half-pic.
4576 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4577 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4578 (sibcall_epilogue): New.
4580 2000-03-17 Richard Henderson <rth@cygnus.com>
4582 * rtlanal.c (single_set): Reject if the parallel has anything
4583 except SET or USE or CLOBBER.
4585 2000-03-17 Jeff Law <law@cygnus.com>
4586 Richard Henderson <rth@cygnus.com>
4588 * Makefile.in (OBJS): Add sibcall.o.
4590 * sibcall.c: New file.
4591 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4592 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4593 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4594 Emit sibcall patterns when requested. Update all callers.
4595 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4596 elimination seems feasable.
4597 * final.c (leaf_function_p): Sibling calls don't discount being
4599 * flow.c (HAVE_sibcall_epilogue): Provide default.
4600 (find_basic_blocks_1): Sibling calls don't throw.
4601 (make_edges): Make edge from sibling call to EXIT.
4602 (propagate_block): Don't remove sibcall_epilogue insns.
4603 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4604 (sibcall_epilogue): New.
4605 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4606 (identify_blocks_1): Likewise. Break out from ...
4607 (identify_blocks): ... here.
4608 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4609 (reorder_blocks): ... here.
4610 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4611 (record_insns): Extend a varray instead of mallocing new memory.
4612 (contains): Read a varray not array of ints.
4613 (sibcall_epilogue_contains): New.
4614 (thread_prologue_and_epilogue_insns): Emit and record
4615 sibcall_epilogue patterns.
4616 (init_function_once): Allocate prologue/epilogue varrays.
4617 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4618 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4620 (save_for_inline_nocopy): ... here.
4621 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4623 (expand_inline_function): ... here.
4624 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4625 (subst_constants): Handle 'n' formats.
4626 * jump.c (jump_optimize_minimal): New.
4627 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4628 optimizations if it's set.
4629 * rtl.c (copy_rtx): Do copy jump & call for insns.
4630 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4631 (SIBLING_CALL_P): New.
4632 (sibcall_use_t): New.
4633 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4634 Invoke optimize_sibling_and_tail_recursive_calls.
4635 * tree.c (lang_safe_for_unsave): New.
4636 (safe_for_unsave): New.
4637 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4639 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4640 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4641 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4643 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4645 * objc/objc-act.c (encode_method_prototype): Pass types, not
4646 PARM_DECLs, to int_size_in_bytes.
4648 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4650 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4652 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4653 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4655 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4657 * Clean up usages of TREE_INT_CST_LOW.
4658 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4659 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4661 * c-tree.h (min_precision): Move declaration to here.
4662 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4663 (build_unary_op, add_pending_init): Use bit_position.
4664 (pending_init_member, process_init_element): Likewise.
4665 (really_start_incremental_init, push_init_level, pop_init_level):
4666 Don't make copies of nodes or modify them in place, use consistent
4667 types when tracking positions, and use tree routines computations.
4668 (set_init_index, output_init_element): Likewise.
4669 (output_pending_init_elements, process_init_element): Likewise.
4670 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4671 tree_low_cst and int_bit_position; also minor cleanup.
4672 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4673 (print_cst_octal): Precision is unsigned.
4674 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4675 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4676 (simple_type_align_in_bits): Result is unsigned int.
4677 Use tree_int_low_cst and host_integerp.
4678 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4679 (field_byte_offset): Result is HOST_WIDE_INT.
4680 Change types of internal variables so alignments are unsigned int,
4681 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4682 Use host_integerp, tree_low_cst, and int_bit_position.
4683 (add_bit_offset_attribute): Likewise.
4684 (add_data_member_location_attribute): Use tree_cst_low.
4685 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4686 (add_bit_size_attribute): Use tree_low_cst.
4687 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4688 * dwarfout.c: Similar changes to dwarf2out.c.
4689 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4690 * genoutput.c (n_occurences): Return -1 for null string.
4691 (strip_whitespace): Accept null string and make into function.
4692 (scan_operands): Reflect above changes.
4693 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4694 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4695 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4696 * tree.c (int_size_in_bytes): Check for too big to represent.
4697 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4698 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4700 (min_precision): Delete from here.
4701 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4702 and int_bit_position.
4703 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4704 (encode_method_def): Likewise.
4705 (build_ivar_list_initializer): Use int_bit_position.
4706 (generate_shared_structures): Convert size.
4707 (encode_type, encode_complete_bitfield): Use integer_zerop.
4708 (encode_bitfield): Use tree_low_cst and int_bit_position.
4710 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4712 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4714 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4716 * call.c (special_function_p): It is only malloc if it returns
4719 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4721 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4722 (C33_FLAG, TARGET_C3X): Add macros.
4723 (TARGET_SWITCHES): Add -m33 option.
4724 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4726 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4728 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4729 (PARALLEL_PACK_FLAG): Delete.
4730 (TARGET_SWITCHES): Update.
4731 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4733 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4735 * fold-const.c (fold): Fix a few cases when the returned result
4736 is not of the same type as the input.
4738 2000-03-16 Nick Clifton <nickc@cygnus.com>
4740 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4743 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4745 * libgcc2.h: Move prototypes above macros with the same name.
4746 Wrap some function prototypes in the conditional which indicates
4747 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4749 2000-03-16 Richard Henderson <rth@cygnus.com>
4751 * calls.c: Revert last two changes.
4753 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4755 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4756 has exponent 0 is a zero.
4758 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4759 HASH may already be nonzero. Add code/mode into hash value
4760 immediately after repeat label.
4761 (cselib_lookup): Don't leave the hash table in an inconsistent
4762 state before a hash lookup operation.
4764 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4766 * i386.md (all HI and QI mode non-move patterns): Conditionize
4767 by TARGET_[HQ]IMODE_MATH.
4768 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4769 x86_promote_qi_regs): Declare.
4770 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4771 TARGET_PROMOTE_QI_REGS): New macros.
4772 (PROMOTE_MODE): New macro.
4773 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4774 x86_promote_qi_regs): New global variables.
4776 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4778 * calls.c (emit_library_call_value_1): Break out from ...; handle
4779 VOIDmode function calls too.
4780 (emit_library_call_value): ... here.
4781 (emit_library_call): Implement by calling emit_library_call_value_1.
4783 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4785 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4786 Update arg_space_so_far on stack adjustments.
4787 (emit_library_call, emit_library_call_value): Likewise; take into
4788 account arg_space_so_far and pending_stack_adjust when calculcating
4791 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4793 * flow.c: Move all basic block reordering code into its own file.
4794 (create_basic_block): Externalize.
4795 * bb-reorder.c: New file. Copy all basic block reordering code from
4796 flow.c to this file.
4797 (reorder_basic_blocks): Fix fencepost error in for-loop.
4798 (reorder_basic_blocks): Remove braces from single statement for-loops.
4799 * basic-block.h: Add declaration for create_basic_block.
4800 * Makefile.in: Add rules for bb-reorder.o.
4802 2000-03-16 Neil Booth <NeilB@earthling.net>
4804 * cppinit.c (handle_option): Implement #unassert directive
4805 as -A- command line option.
4806 (print_help): Update.
4807 * cpptexi.c: Update.
4809 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4811 * md.texi (Standard Names): Document `jump'.
4813 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4815 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4818 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4820 Merge changes from newppc-branch onto trunk.
4822 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4824 * rs6000.c (toc_hash_table): Update for new hash table functions.
4825 (toc_hash_function): Likewise.
4826 (toc_hash_eq): Likewise.
4827 (toc_hash_mark_entry): Likewise.
4828 (toc_hash_mark_table): Likewise.
4829 (output_toc): Likewise.
4830 (rs6000_add_gc_roots): Likewise.
4832 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4834 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4835 (AR_FLAGS_FOR_TARGET): here. New macro.
4837 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4839 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4840 fpmem_operand) Delete.
4842 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4843 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4844 (rs6000_save_machine_status, rs6000_restore_machine_status,
4845 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4846 references to above variables.
4847 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4848 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4849 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4850 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4851 (XER_REGNO_P, XER_REGNO): New.
4852 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4853 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4854 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4856 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4857 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4858 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4860 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4862 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4863 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4864 * rs6000.h: from here.
4866 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4867 (rs6000_select_rtx_section): Likewise.
4868 (rs6000_encode_section_info): Likewise.
4869 (sdata_section): Likewise.
4870 (sdata2_section): Likewise.
4871 (sbss_section): Likewise.
4872 * sysv4.h (rs6000_select_section): Delete prototype.
4873 (rs6000_select_rtx_section): Likewise.
4874 (rs6000_encode_section_info): Likewise.
4875 (sdata_section): Likewise.
4876 (sdata2_section): Likewise.
4877 (sbss_section): Likewise.
4878 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4880 * sysv4.h: Delete various unnecessary #undef's and put a comment
4881 on the remaining ones.
4882 Change various comments according to coding standard.
4884 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4886 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4887 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4888 (CR0_REGNO_P) Remove.
4889 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4890 setup_incoming_varargs, mtcrf_operation, print_operand,
4891 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4892 Use the above macros.
4894 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4896 * config/rs6000/rs6000.md: Added a new alternative for each
4897 pattern that had a 'x' alternative but no 'y' alternative.
4898 Added a new split for each of the above patterns.
4900 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4902 * aix41.h (ASM_CPU_SPEC): Delete.
4903 (CPP_CPU_SPEC): Delete.
4905 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4906 (ASM_OUTPUT_LABEL): Define.
4907 (ASM_GLOBALIZE_LABEL): Define.
4908 (STRIP_NAME_ENCODING): Define.
4909 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4910 (STRIP_NAME_ENCODING): Don't define.
4911 (ASM_OUTPUT_LABEL): Don't define.
4912 (ASM_GLOBALIZE_LABEL): Don't define.
4913 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4914 names, and ASM_OUTPUT_LABEL to output labels, rather than
4916 (ASM_OUTPUT_LABEL): Define.
4917 (ASM_OUTPUT_INT): Use assemble_name.
4918 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4919 (STRIP_NAME_ENCODING): Don't undefine first.
4920 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4922 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4923 specified with 'asm' even with -fleading-underscore.
4924 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4925 (output_epilog): Likewise.
4926 (output_toc): Likewise.
4927 * tramp.asm: Handle -fleading-underscore correctly.
4929 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4931 (nonlocal_goto_receiver): Delete.
4932 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4934 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4935 (SET_ASM_OP): Define.
4936 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4938 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4941 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4942 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4944 * rs6000.h: Add 'u' to more constants.
4946 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4948 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4950 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4952 * rs6000.c (reg_or_u_cint_operand): New function.
4953 (logical_operand): Handle 64-bit hosts.
4954 (logical_u_operand): New function.
4955 (non_logical_cint_operand): Handle 64-bit hosts.
4956 (non_logical_u_cint_operand): New function.
4957 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4958 (PREDICATE_CODES): Define new functions.
4959 * rs6000-protos.h: Declare new functions.
4960 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4961 (movdi_64): Bracket code intended for 64-bit hosts. Create
4962 CONST_DOUBLE for 32-bit values.
4963 (scc insns): Generate DImode compares.
4964 (mfcr insns): Create DImode versions.
4965 (sge matchers): New patterns.
4967 2000-02-15 Gabriel Paubert <paubert@iram.es>
4969 * rs6000.md: Correct instructions length attributes and
4970 constraints on unsigned compare instructions.
4971 (*ne0): Disable for PowerPC64.
4973 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4975 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4976 quantity, fix profile1.C test failure under -fPIC.
4978 * rs6000.c: Add 'u' to many constants to suppress warnings.
4979 (constant_pool_expr_1): Make static.
4980 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4981 * rs6000.h: Add 'u' to many constants to suppress warnings.
4983 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4984 for the start of the TOC, instead of LCTOC..0.
4985 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4987 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4988 (load_toc_aix_di): Use LCTOC..1.
4990 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4991 * rs6000.c (rs6000_legitimize_address): New function from
4992 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4993 symbols in the constant pool that really are TOC references.
4994 (print_operand_address): For ELF, write TOC offsets under
4995 -fPIC as subtractions in the insn.
4996 (output_toc): For ELF, define symbols in TOC as normal labels,
4998 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4999 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5000 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5001 * rs6000.md (movsi): Only use create_TOC_reference on
5002 symbols in the constant pool that really are TOC references.
5004 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5005 * rs6000.c (rs6000_reorg): Delete.
5006 * rs6000-protos.h (rs6000_reorg): Delete.
5008 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5010 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5012 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5013 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5014 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5015 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5016 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5017 rs6000_aix_emit_builtin_unwind_init.
5018 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5019 rs6000_emit_eh_toc_restore on AIX.
5020 (return_eh_si): Use r2.
5021 (return_eh_di): Use r2.
5023 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5024 since we're breaking binary compatibility anyway.
5026 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5028 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5029 constant_pool_expr_p): Declare them.
5030 (constant_pool_expr_p): Declare it.
5031 * config/rs6000/rs6000.c (toc_label_name): Define.
5032 (rs6000_override_options): Set toc_label_name.
5033 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5034 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5035 uses_TOC): New functions.
5036 (print_operand): Delete old '*' case.
5037 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5038 and strip off rtl for TOC before calling output_addr_const.
5039 (rs6000_emit_load_toc_table): Use toc_label_name.
5040 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5042 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5043 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5044 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5045 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5046 into explicit TOC_REGISTER offsets.
5047 (TOC_REGISTER): New macro.
5048 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5049 TARGET_TOC to reference TOC_REGISTER.
5050 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5051 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5052 uses_TOC before emitting label references.
5054 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5056 * rs6000.md (stack_tie): Fix warning.
5058 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5059 to handle -fleading-underscore.
5060 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5061 (USER_LABEL_PREFIX): New macro.
5062 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5063 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5064 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5065 call-linux can use the same multilibs.
5066 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5067 and call-linux multilibs. Do multilib with -fleading-underscore.
5068 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5069 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5072 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5073 have MASK_SOFT_FLOAT set.
5074 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5075 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5076 CPP_FLOAT_DEFAULT_SPEC.
5078 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5079 * rs6000.md: Whitespace change.
5080 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5081 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5083 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5085 * rs6000.md (eh_epilogue): New expander.
5086 (eh_reg_restore): New expand/split/insn combination.
5087 (return_eh_si): New insn.
5088 (return_eh_di): New insn.
5090 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5091 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5092 * eabi-ctors.c (__do_global_ctors): Register this object's
5093 frame. Clean up. Call atexit() after the constructors.
5094 (__do_global_dtors): Deregister this object's frame. Clean up.
5095 Allow for recursive calls to exit().
5096 * rs6000.c (fixuplabelno): New variable.
5097 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5098 TARGET_RELOCATABLE, it slows down exec() under linux.
5099 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5101 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5102 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5103 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5104 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5105 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5106 (ASM_OUTPUT_DWARF_ADDR): New macro.
5107 (ASM_OUTPUT_DWARF_DATA4): New macro.
5108 (ASM_OUTPUT_DWARF_DATA2): New macro.
5109 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5110 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5111 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5113 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5115 * rs6000.c (rs6000_sr_alias_set): New variable.
5116 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5117 (rs6000_emit_stack_tie): New function.
5118 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5119 in a way that dwarf2out can understand.
5120 (rs6000_frame_related): New function.
5121 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5122 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5123 Use rs6000_emit_stack_tie when needed.
5124 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5125 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5126 * rs6000.md (stack_tie): New insn.
5127 (return_internal_si): Allow return value to be in the count
5129 (return_internal_di): Likewise.
5131 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5133 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5135 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5137 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5139 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5141 * rs6000.md (stmw): Use the right POWER opcode.
5144 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5146 * rs6000-protos.h: New file.
5148 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5150 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5153 * sysv4.h: Likewise.
5155 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5157 * ../../configure.in: Delete powerpcle-*-winnt*
5158 and powerpcle-*-pe|powerpcle-*-cygwin*.
5159 * ../../configure: Regenerated.
5161 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5162 (TARGET_WINDOWS_NT): Delete.
5164 (CALL_NT_DLLIMPORT): Delete.
5165 Delete NT-specific code.
5166 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5169 * nt-ci.asm: Delete.
5170 * nt-cn.asm: Delete.
5171 * ntstack.asm: Delete.
5173 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5175 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5176 (ASM_FILE_START): Likewise.
5177 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5178 (ASM_OUTPUT_LABELREF): Likewise.
5179 (ASM_OUTPUT_SKIP): Likewise.
5180 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5181 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5182 (ASM_OUTPUT_CASE_LABEL): Likewise.
5183 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5184 (ASM_OUTPUT_ASCII): Likewise.
5186 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5188 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5189 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5190 increment rs6000_pic_labelno here.
5191 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5192 and increment rs6000_pic_labelno here.
5194 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5196 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5197 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5198 allocation knows (reg) is dead before the insn.
5200 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5202 * rs6000.md (movsi_to_cr): Correct typo in output template.
5204 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5206 * rs6000.c (rs6000_pic_labelno): Always define.
5207 (rs6000_pic_func_labelno): Delete.
5208 (lmw_operation): Check for a zero base register,
5209 which doesn't mean what we want.
5210 (stmw_operation): New function.
5211 (print_operand): Define new 'l' modifier.
5212 (rs6000_stack_info): We must save all 64 bits of the registers
5213 if TARGET_POWERPC64.
5214 (rs6000_output_load_toc_table): Delete.
5215 (rs6000_emit_load_toc_table): New function.
5216 (rs6000_allocate_stack_space): Delete.
5217 (rs6000_emit_allocate_stack): New function.
5218 (rs6000_emit_prologue): New function.
5219 (output_prolog): Use rs6000_emit_prologue.
5220 (rs6000_emit_epilogue): Change a few variable names to be
5221 more accurate. Restore all 64 bits of the registers if
5222 TARGET_POWERPC64. Only restore the FP registers which were used
5223 if they are being saved/restored one-at-a-time.
5224 (output_mi_thunk): Delete inefficient code generation.
5225 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5226 * rs6000.h: Declare rs6000_emit_load_toc_table,
5227 rs6000_allocate_stack_space, stmw_operation. Don't declare
5228 rs6000_output_load_toc_table.
5229 * rs6000.md (elf_high): Allow register 0, but discourage it
5231 (elf_low): Support loading into register 0.
5232 (load_toc_aix_si): New pattern.
5233 (load_toc_aix_di): New pattern.
5234 (load_toc_v4_pic_si): New pattern.
5235 (load_toc_v4_pic_di): New pattern.
5236 (load_toc_v4_PIC_1): New pattern.
5237 (load_toc_v4_PIC_1b): New pattern.
5238 (load_toc_v4_PIC_2): New pattern.
5239 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5240 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5241 (prologue): New expander.
5242 (movesi_from_cr): New pattern.
5243 (stmw): New pattern.
5244 (save_fpregs_si): New pattern.
5245 (save_fpregs_di): New pattern.
5247 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5249 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5254 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5256 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5258 (movsi_got_internal): Likewise.
5259 (movsi_got_internal+1): Likewise.
5260 (set_sp): 'unspec 7' does a SImode clobber.
5262 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5264 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5265 allocate a stack temporary.
5266 (floatsidf2_internal): Likewise.
5267 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5269 (floatunssidf2): Don't use the fpmem "register", just
5270 allocate a stack temporary.
5271 (floatunssidf2_internal): Likewise.
5272 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5274 (floatsidf2_loadaddr): Delete.
5275 (floatsidf2_store1): Delete.
5276 (floatsidf2_store2): Delete.
5277 (floatsidf2_load): Delete.
5278 (fix_truncdfsi2): Don't use the fpmem "register", just
5279 allocate a stack temporary.
5280 (fix_truncdfsi2_internal_si): Delete.
5281 (fix_truncdfsi2_internal_di): Delete.
5282 (fix_truncdfsi2_internal): New insn.
5283 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5284 (fix_truncdfsi2_store): Delete.
5285 (fix_truncdfsi2_load): Delete.
5286 (fctiwz): Produce gen_fctiwz.
5288 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5290 * eabi.h (INVOKE__main): Define.
5291 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5293 (rs6000_emit_prologue): Likewise.
5294 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5295 this is the main program.
5297 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5299 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5301 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5303 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5304 goes after the argument.
5306 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5308 * rs6000.md: Document 'unspec' values used.
5309 (epilogue): New expander.
5310 (movesi_to_cr_one): New expander.
5311 (movesi_to_cr and following): New pattern.
5313 (return_internal_si): New pattern.
5314 (return_internal_di): New pattern.
5315 (return_and_restore_fpregs_si): New pattern.
5316 (return_and_restore_fpregs_di): New pattern.
5317 * rs6000.h: Declare new functions.
5318 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5319 rather than rs6000_calls_p.
5320 (rs6000_makes_calls): Delete.
5321 (lmw_operation): New function.
5322 (mtcrf_operation): New function.
5323 (rs6000_emit_epilogue): New function.
5324 (output_epilog): Call rs6000_emit_epilogue and final if
5325 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5327 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5329 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5330 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5331 * aix.h (SUBTARGET_SWITCHES): Document switches.
5332 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5333 sched-prolog and sched-epilog the same. Document all the
5335 (TARGET_OPTIONS): No longer allow -mdebug-.
5337 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5339 * rs6000.h (ASM_FILE_END): Move to aix.h.
5340 (EXTRA_SECTIONS): Move to aix.h.
5341 (READONLY_DATA_SECTION): Move to aix.h.
5342 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5343 (SELECT_SECTION): Move to aix.h.
5344 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5345 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5346 (LINK_REGISTER_REGNUM): New definition.
5347 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5348 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5350 * sysv4.h: Delete the code between the inclusion of rs6000.h
5352 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5353 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5354 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5355 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5356 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5357 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5358 (fix_truncdfsi2_internal_di): New pattern.
5359 (fix_truncdfsi2_store): The second arg here is Pmode too.
5360 (fix_truncdfsi2_load): The second arg here is Pmode too.
5361 (tablejumpdi): Now that switch tables hold only SImode values,
5362 gcc needs to know how to add them to the pc which is DImode.
5363 * rs6000.c (rs6000_stack_info): Use symbolic name for
5364 LINK_REGISTER_REGNUM.
5365 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5366 (output_toc): Delete unused variables s1 and s2.
5367 (output_ascii): Use fputs not fprintf on a variable string.
5369 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5371 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5372 * aix43.h: Revert Aug 2 change.
5373 (HAS_INIT_SECTION): Define, not visible yet.
5374 (LD_INIT_SWITCH): Define, not visible yet.
5375 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5377 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5379 * config/rs6000/rtems.h: Include config/rtems.h.
5381 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5383 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5384 (SLOW_UNALIGNED_ACCESS): Define.
5385 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5386 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5387 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5388 (toc_section): Likewise and .toc pseudo-op.
5389 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5391 (TEXT_SECTION_ASM_OP): Likewise.
5392 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5395 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5397 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5398 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5401 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5403 * rs6000.h: Move more stuff from here...
5405 * sysv4.h: Cleanup accordingly.
5406 * netware.h: Likewise
5408 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5410 * rs6000.h: Continue cleanup.
5413 * netware.h: Likewise.
5415 * sysv4.h: Likewise.
5416 * win-nt.h: Likewise.
5418 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5419 (TARGET_OPTIONS): Likewise.
5421 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5422 (SUBTARGET_OPTIONS): Likewise.
5424 * rs6000.md: Fix compile time warnings.
5426 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5428 vxworks patches from the Cygnus tree originally by
5429 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5430 <vmakarov@cygnus.com>.
5431 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5432 (ENDFILE_SPEC): Likewise.
5433 (LIB_VXWORKS_SPEC): New macro.
5434 (STARTFILE_VXWORKS_SPEC): New macro.
5435 (ENDFILE_VXWORKS_SPEC): New macro.
5436 (LINK_START_VXWORKS_SPEC): New macro.
5437 (LINK_OS_VXWORKS_SPEC): New macro.
5438 (CPP_OS_VXWORKS_SPEC): New macro.
5439 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5440 * vxppc.h: Rewrite to use proper configuration method.
5441 * vxppcle.h: New file.
5442 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5443 * ../../configure: Rebuilt.
5445 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5447 Lots of changes to rs6000.h, sysv4.h, aix.h,
5448 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5449 with the aim that rs6000.h is the first header
5450 included and the others override it.
5453 * x-aix41-gld: Remove.
5455 * x-aix41: Remove target-specific switches, and don't specify
5456 -Wl,-bbigtoc as we don't need it any more.
5457 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5458 Use t-aix43 for AIX 4.3 and above.
5459 * ../../configure: Regenerated.
5461 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5462 options, that don't do anything yet.
5463 (MASK_SCHED_PROLOG): New macro.
5464 (MASK_SCHED_EPILOG): New macro.
5465 (TARGET_SCHED_PROLOG): New macro.
5466 (TARGET_SCHED_EPILOG): New macro.
5468 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5470 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5471 one per translation unit, not one per function.
5472 (output_toc): Also do duplicate constant elimination
5473 for per-translation-unit TOCs.
5475 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5476 a comment explaining _exactly_ when this pattern gets used.
5477 (builtin_setjmp_receiver): New pattern for better clarity.
5478 (init_v4_pic): Move it into a section dealing with TOC registers.
5480 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5482 * rs6000.c (toc_hash_table): New variable.
5483 (rs6000_hash_constant): New function.
5484 (toc_hash_function): New function.
5485 (toc_hash_eq): New function.
5486 (toc_hash_mark_entry): New function.
5487 (toc_hash_mark_table): New function.
5488 (output_toc): Don't output duplicate TOC entries in
5490 (rs6000_add_gc_roots): Add the hash table as a GC root.
5491 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5492 where they clearly shouldn't be. This may need to be fixed
5493 later when there is a GNU ar for AIX.
5494 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5495 Don't define BOOT_LDFLAGS as it is now not necessary.
5497 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5499 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5500 for va_list on AIX. Use unsigned_char_type_node rather than
5501 constructing our own version on svr4.
5503 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5505 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5506 since patently it's not.
5508 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5510 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5511 define_expand/define_insn pair, and handle restore of the
5512 SVR4 -fpic register.
5514 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5516 * acconfig.h (HAVE_GAS_WEAK): New define.
5517 * configure.in (assembler weak support): Check for .weak support.
5518 * config.in, configure: Rebuilt.
5519 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5520 HAVE_GAS_WEAK is defined.
5522 2000-03-15 Nick Clifton <nickc@cygnus.com>
5524 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5527 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5529 * cppfiles.c (open_include_file): New function.
5530 (find_include_file, cpp_read_file): Use it.
5532 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5534 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5536 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5538 * flow.c (verify_flow_info): Check for unconditional return.
5540 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5542 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5543 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5544 (__ia64_restore_stack_nonlocal): New.
5545 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5547 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5549 * cpphash.c (collect_formal_parameters): Do not complain about
5550 parameter names that just start with `__VA_ARGS__'.
5552 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5554 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5555 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5556 * i386.c (pentiumpro_cost): Set mul cost to 4.
5557 (x86_use_movx): Set for PPro.
5559 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5561 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5562 STACK_BOUNDARY for empty frames now.
5564 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5566 * stor-layout.c (layout_union): Remove.
5567 (layout_union_field): New function, split out from layout_union.
5568 (finish_union_layout): Likewise.
5569 (layout_field): Handle unions by calling layout_union_field.
5570 (finish_record_layout): Handle unions.
5571 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5572 QUAL_UNION_TYPE handling.
5574 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5576 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5577 end of basic block is jump_insn, not barrier; use create_basic_block
5578 instead of creating basic block by hand.
5580 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5582 * flow.c (reorder_basic_blocks): Account for barriers when writing
5583 over NEXT_INSN (last_bb->end).
5584 (verify_flow_info): Add check for missing barriers.
5586 2000-03-14 Greg McGary <gkm@gnu.org>
5588 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5589 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5590 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5591 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5592 __unbounded, __unbounded__): New keywords.
5593 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5594 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5595 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5597 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5599 * cselib.h: New file.
5600 * alias.c: Include "cselib.h".
5601 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5602 MEMs as two new arguments.
5603 (get_addr): New static function.
5604 (find_base_term): Handle VALUEs.
5605 (memrefs_conflict_p): Likewise.
5606 (true_dependence): Call get_addr on the addresses.
5607 Call fixed_scalar_and_varying_struct_p with addresses that have been
5608 passed through get_addr and canon_rtx.
5609 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5610 with true_dependence.
5611 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5612 * loop.c: Include "cselib.h".
5613 (load_mems): Process extended basic block that enters the loop with
5614 cselib. Use that information to change initialization of the shadow
5615 register so that a constant equivalence is seen by later passes.
5616 * reload1.c: Include "cselib.h".
5617 (reload_cse_invalidate_regno): Delete function.
5618 (reload_cse_mem_conflict_p): Likewise.
5619 (reload_cse_invalidate_mem): Likewise.
5620 (reload_cse_invalidate_rtx): Likewise.
5621 (reload_cse_regno_equal_p): Likewise.
5622 (reload_cse_check_clobber): Likewise.
5623 (reload_cse_record_set): Likewise.
5624 (reg_values): Delete static variable.
5625 (invalidate_regno_rtx): Likewise.
5626 (reload_cse_delete_noop_set): New static function.
5627 (reload_cse_simplify): New static function, broken out of
5629 (reload_cse_noop_set_p): Delete unused argument INSN.
5630 Just call rtx_equal_for_cselib_p on set source and destination.
5631 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5632 reload_cse_delete_noop_set. Delete code to keep track of values; use
5633 cselib functions instead. Delete code to push/pop obstacks.
5634 (reload_cse_simplify_set): Use cselib to find equivalent values.
5635 Delete code to push/pop obstacks.
5636 (reload_cse_simplify_operands): Likewise.
5637 * rtl.def (VALUE): New rtx code.
5638 * rtl.h (union rtunion_def): New elt rt_cselib.
5639 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5640 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5641 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5642 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5643 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5644 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5645 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5646 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5647 cselib_record_set, cselib_record_sets): New static functions.
5648 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5649 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5650 references_value_p): New functions.
5651 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5652 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5653 n_useless_values, reg_values, callmem, cselib_obstack,
5654 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5655 New static variables.
5656 * varray.h (union varray_data_tag): New elt te.
5657 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5658 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5661 2000-03-14 Nick Clifton <nickc@cygnus.com>
5663 * gcc.c (do_spec_1): Catch the case where %* is used in a
5664 substitution pattern, but it has not been initialised.
5665 Issue a meaningful error message if an unrecognised operator
5666 is encountered in a spec string.
5668 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5670 * function.c (prepare_function_start): Correctly initialize
5671 cfun->stack_alignment_needed.
5673 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5675 * cppfiles.c (find_include_file): Don't assume nshort is a
5678 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5680 * configure.in (hppa configurations): Add pa32-regs.h to the
5681 list of tm files as appropriate.
5682 * configure: Rebuilt.
5683 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5685 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5686 (fmpyaddoperands, fmpysuboperands): Likewise.
5687 * pa.h: Remove various definitions which depend on knowing
5688 how registers are numbered.
5689 * pa32-regs.h: New file with PA32 register numbering specific
5692 2000-03-14 Richard Henderson <rth@cygnus.com>
5694 * regmove.c (combine_stack_adjustments): New.
5695 (stack_memref_p, single_set_for_csa): New.
5696 (free_csa_memlist, record_one_stack_memref): New.
5697 (try_apply_stack_adjustment): New.
5698 (combine_stack_adjustments_for_block): New.
5699 * rtl.h (combine_stack_adjustments): Declare.
5700 * toplev.c (rest_of_compilation): Call it.
5702 * i386.md: Revert 2000-01-16 change.
5704 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5706 * gccbug.in: Add web category, gcc specific classes.
5708 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5710 * stor-layout.c (finalize_record_size): Fix typo.
5712 2000-03-14 Stan Shebs <shebs@apple.com>
5714 * c-typeck.c (c_alignof): Error on incomplete types.
5715 * extend.texi (Alignment): Document this.
5717 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5719 * cppfiles.c: Include mkdeps.h.
5720 (find_include_file, read_include_file): Remove _cpp_ prefix
5721 from name, make static.
5722 (_cpp_execute_include): New function, broken out of
5725 * cpplib.c: Don't include mkdeps.h.
5726 (struct directive): Remove type field. Reorder entries. The
5727 function takes only one argument.
5728 (struct if_stack): Make type field an int.
5729 (directive_table): Rename to dtable. Generate it, the
5730 prototypes of the directive handlers, and the enum for the
5731 directive numbers, from a template macro.
5732 (do_ifndef, do_include_next, do_import): New functions.
5733 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5734 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5735 do_ident, do_assert, do_unassert, do_sccs): Take only one
5737 (do_sccs): Define always, but alter behavior based on
5739 (_cpp_handle_directive, consider_directive_while_skipping):
5740 Restructure for new directive table layout.
5742 (pass_thru_directive): Take a directive number, not a pointer
5743 to a struct directive.
5744 (parse_include): New function, broken out of do_include.
5745 (do_include, do_import, do_include_next): Use parse_include
5746 and _cpp_execute_include.
5747 (do_elif, do_else): Test for T_ELSE specifically when checking
5748 for #elif/#else after #else.
5749 (parse_ifdef): New function, broken out of do_ifdef.
5750 (validate_else): Expect a name arg without a leading #.
5751 (if_directive_name): Delete.
5752 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5753 directive handlers with only one argument.
5755 * cpphash.h: Update prototypes.
5756 (enum node_type): Remove entries for directives.
5757 * Makefile.in: Update dependencies.
5759 * cpphash.c (dump_hash_helper): Only dump nodes of type
5760 T_MACRO. Emit a newline after each definition.
5762 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5764 * gccbug.in: New file.
5765 * configure.in (all_outputs): Add gccbug.
5766 * Makefile.in (install-common): Install gccbug.
5767 (GCCBUG_INSTALL_NAME): New variable.
5768 * configure: Rebuilt.
5770 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5772 * function.c (put_var_into_stack): Use type_for_mode to calculate
5773 part_type. Use MEM_SET_IN_STRUCT_P.
5774 * expr.c (store_field): Handle CONCAT.
5775 (store_constructor): Use fields_length.
5776 * tree.c (fields_length): New fn.
5777 * tree.h: Declare it.
5779 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5781 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5782 (cpplex.o): New target.
5783 * po/POTFILES.in: Add cpplex.c.
5785 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5786 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5787 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5788 skip_block_comment, skip_line_comment, skip_comment,
5789 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5790 _cpp_parse_name, skip_string, parse_string,
5791 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5792 _cpp_get_directive_token, find_position,
5793 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5794 (maybe_macroexpand, _cpp_lex_token): New functions.
5796 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5797 parse_goto_mark): Delete.
5798 (_cpp_handle_eof): New function.
5799 (_cpp_handle_directive): Rename from handle_directive.
5800 (_cpp_output_line_command): Rename from output_line_command.
5801 (do_if, do_elif): Call _cpp_parse_expr directly.
5802 * cppfiles.c (_cpp_read_include_file): Don't call
5803 init_input_buffer here.
5804 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5805 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5806 here; pop the token_buffer and skip the rest of the line here.
5807 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5810 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5812 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5813 CPP_GOTO_MARK): New macros.
5814 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5815 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5816 _cpp_read_and_prescan, _cpp_init_input_buffer,
5817 _cpp_grow_token_buffer, _cpp_get_directive_token,
5818 _cpp_handle_directive, _cpp_handle_eof,
5819 _cpp_output_line_command): Prototype them here.
5820 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5821 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5822 quote_string, output_line_command): Remove.
5824 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5826 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5827 whether it is too large we must also verify that it isn't negative.
5829 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5831 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5832 (movsi_zero_liveg0): Remove.
5833 (movsf_insn_novis_liveg0): Remove.
5835 (negsi2_not_liveg0): Rename to negsi2.
5836 (one_cmplsi2): Remove.
5837 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5838 (one_cmplsi2_liveg0): Remove.
5839 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5840 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5841 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5842 (PREDICATE_CODES): Remove zero_operand.
5843 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5844 TARGET_BROKEN_SAVERESTORE.
5845 (zero_operand): Remove.
5846 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5847 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5849 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5850 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5851 TARGET_BROKEN_SAVERESTORE): Remove.
5852 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5854 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5856 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5859 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5861 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5863 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5864 truncating a string. Don't assume tokens are nul terminated.
5865 Problem noted by Andreas Jaeger <aj@suse.de>
5867 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5869 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5870 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5871 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5873 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5875 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5876 STRUCTURE_SIZE_BOUNDARY.
5878 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5880 * tree.h (record_layout_info_s): New structure.
5881 (record_layout_info): New type.
5882 (new_record_layout_info): New function.
5883 (layout_field): Likewise.
5884 (finish_record_layout): Likewise.
5885 * stor-layout.c (layout_record): Remove.
5886 (new_record_layout_info): New function.
5887 (layout_field): New function, broken out from layout_record.
5888 (finalize_record_size): Likewise.
5889 (compute_record_mode): Likewise.
5890 (finalize_type_size): New function, broken out from layout_type.
5891 (finish_record_layout): Likewise.
5892 (layout_type): Use them.
5894 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5896 * cpphash.c: Don't include version.h.
5897 (special_symbol) [case T_VERSION]: Look for the string in
5898 hp->value.cpval; don't use version_string.
5899 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5900 __VERSION__ to version_string.
5901 * Makefile.in (cpphash.o): Update deps.
5903 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5905 Convert cpplib to use libiberty/hashtab.c.
5907 * cpplib.h (struct cpp_reader): Make hashtab and
5908 all_include_files of type 'struct htab *'. Delete HASHSIZE
5909 and ALL_INCLUDE_HASHSIZE macros.
5911 * cpphash.h: Update prototypes.
5912 (struct hashnode): Remove next, prev, and bucket_hdr members.
5913 Make length a size_t. Add hash member.
5914 (struct ihash): Remove next member. Add hash member. Make
5915 name a flexible array member.
5917 * cppfiles.c: Include hashtab.h.
5918 (include_hash): Delete.
5919 (IHASHSIZE): New macro.
5920 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5921 (cpp_included): Do the hash lookup here.
5922 (_cpp_find_include_file): Rewrite.
5923 (cpp_read_file): Put the "fake" hash entry into the hash
5924 table. Honor the control_macro, if it turns out we've seen
5925 the file before. Don't push the buffer here.
5926 (_cpp_read_include_file): Push the buffer here.
5927 (OMODES): New macro. Use it whenever we call open(2).
5929 * cpphash.c: Include hashtab.h.
5930 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5931 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5932 _cpp_lookup_slot): New functions.
5933 (HASHSIZE): new macro.
5934 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5935 (_cpp_lookup): Use hashtab.h routines.
5937 * cppinit.c: Include hashtab.h.
5938 (cpp_reader_init): Call _cpp_init_macro_hash and
5939 _cpp_init_include_hash. Don't allocate hashtab directly.
5940 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5941 pfile->all_include_files.
5942 (initialize_builtins): Use _cpp_make_hashnode and
5943 htab_find_slot to add hash entries.
5944 (cpp_finish): Just call _cpp_dump_macro_hash.
5945 * cpplib.c: Include hashtab.h.
5946 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5947 create hash entries.
5948 (do_pragma_poison, do_assert): Likewise.
5949 (do_include): Don't push the buffer here. Don't increment
5950 system_include_depth unless _cpp_read_include_file succeeds.
5951 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5953 (do_pragma_implementation): Use alloca to create copy.
5955 * Makefile.in: Update dependencies.
5957 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5959 * cppinit.c (cl_directive_handler): More K&R fixing.
5961 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5963 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5965 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5967 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5969 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5970 Change from char[] to macros.
5972 2000-03-12 Neil Booth <NeilB@earthling.net>
5974 * cppinit.c (cpp_start_read): Update indirect function
5977 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5979 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5982 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5983 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5985 2000-03-11 Neil Booth <NeilB@earthling.net>
5987 * cppinit.c (struct pending option): Replace undef with a
5988 pointer to a directive handling routine.
5989 (struct cpp_pending): Replace separate assert_ and define_
5990 lists with one directive_ list.
5991 (new_pending_define): Rename new_pending_directive. Extra
5992 argument is the directive's handling routine.
5993 (handle_option): Update to use new_pending_directive.
5995 2000-03-11 Neil Booth <NeilB@earthling.net>
5997 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5998 remap_filename, _cpp_read_include_file, actual_directory,
5999 hack_vms_include_specification): Replace bcopy(), index() etc
6000 calls. Add casts to some allocations. Make some variables
6001 pointers to const [unsigned] char.
6002 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6003 collect_formal_parameters): Similarly.
6004 * cppinit.c (struct pending_option, append_include_chain,
6005 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6006 cpp_start_read, new_pending_define, handle_option): Similarly.
6007 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6008 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6009 do_pragma_implementation, detect_if_not_defined,
6010 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6011 do_assert, do_unassert): Similarly.
6012 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6013 function prototypes.
6014 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6016 2000-03-10 Richard Henderson <rth@cygnus.com>
6018 * builtins.c (expand_builtin_strlen): Revert last change.
6019 Use emit_insn_before if we're at the beginning of a sequence.
6021 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6023 * builtins.c (expand_builtin_strlen): Make sure that we have something
6024 at the beginning of the sequence.
6026 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6029 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6031 2000-03-10 Richard Henderson <rth@cygnus.com>
6033 * except.c (can_throw): Use INTVAL on a CONST_INT.
6034 (reachable_handlers): Likewise.
6035 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6037 2000-03-10 Andreas Jaeger <aj@suse.de>
6039 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6040 MD_STARTFILE_PREFIX since those are not needed on linux.
6041 (ASM_FILE_START): New, from mips/gnu.h.
6043 2000-03-09 Richard Henderson <rth@cygnus.com>
6044 Alex Samuel <samuel@codesourcery.com> and others
6046 * Makefile.in (ssa.o): New rule.
6048 (STAGESTUFF): Add *.ssa and *.ussa.
6049 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6050 * rtl.def (PHI): New RTL expression.
6051 * rtl.h (clear_log_links): New declaration.
6052 (convert_to_ssa): Likewise.
6053 (convert_from_ssa): Likewise.
6054 * flow.c (split_edge): If the entry node falls through to the
6055 split edge's source block, split the entry edge.
6056 (clear_log_links): New function.
6057 * toplev.c (ssa_dump): New variable.
6058 (flag_ssa): Likewise.
6059 (f_options): Add "ssa".
6060 (compile_file): Create SSA dump files.
6061 (rest_of_compilation): Go to and from SSA if enabled.
6062 (decide_d_option): Handle -de for SSA dump files.
6065 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6067 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6070 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6072 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6074 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6076 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6077 (MD_STARTFILE_PREFIX_1): New macro.
6079 2000-03-09 Robert Lipe <robertl@sco.com>
6081 * config/ia64/ia64.c: Include system.h.
6083 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6085 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6086 (init_eh_nesting_info): Likewise.
6088 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6089 (TREE_NOTHROW): Rename from TREE_RAISES.
6090 * toplev.c (rest_of_compilation): Set it.
6091 * print-tree.c (print_node): Adjust.
6092 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6093 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6094 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6095 REG_EH_REGION note as appropriate.
6096 (libfunc_nothrow): New fn.
6097 (emit_library_call, emit_library_call_value): Use it.
6098 (expand_call): Check TREE_NOTHROW.
6100 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6101 DECL_ASSEMBLER_NAME.
6103 2000-03-09 Andreas Jaeger <aj@suse.de>
6105 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6106 (TARGET_MEM_FUNCTIONS): Define.
6108 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6110 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6112 * except.c (can_throw): See through a SEQUENCE.
6113 (nothrow_function_p): New fn.
6114 * except.h: Declare it.
6115 * function.c (current_function_nothrow): New var.
6116 (prepare_function_start): Initialize it.
6117 * output.h: Declare it.
6118 * toplev.c (rest_of_compilation): Set it.
6119 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6121 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6123 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6124 match. (cpp_compare_defs): Count the nul separator when
6125 advancing over argument names.
6127 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6129 * recog.c (preprocess_constraints): Matching constraints affect
6130 same alternative/different operand, not same operand/different
6133 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6134 register and a constant specially.
6136 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6138 * libgcc2.h: New file.
6139 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6141 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6143 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6144 * configure: Regenerate.
6147 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6149 * Makefile.in (LIBCPP_DEPS): New macro.
6150 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6152 * cpperror.c: Include cpphash.h.
6153 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6155 (lex): Don't use CPP_WARN_UNDEF.
6156 (_cpp_parse_expr): Return an int, the truth value.
6157 * cppfiles.c: Include cpphash.h.
6158 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6159 * cppinit.c (include_defaults_array): Disentangle.
6160 (cpp_cleanup): Don't free the if stack here.
6161 (cpp_finish): Pop off all buffers, not just one.
6162 * cpplib.c (eval_if_expr): Return int.
6163 (do_xifdef): Rename do_ifdef.
6164 (handle_directive): Don't use CPP_PREPROCESSED.
6165 (cpp_get_token): Don't use CPP_C89.
6166 * fix-header.c: Don't use CPP_OPTIONS.
6168 * cpplib.h: Move U_CHAR, enum node_type, struct
6169 file_name_list, struct ihash, is_idchar, is_idstart,
6170 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6171 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6172 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6173 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6174 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6175 of _cpp_simplify_pathname, _cpp_find_include_file,
6176 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6177 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6179 Change all uses of U_CHAR to be unsigned char instead.
6180 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6182 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6184 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6185 (dwarf2out_begin_prologue): Set it.
6186 (output_call_frame_info): Don't emit EH unwind info for leaves.
6188 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6189 can occur outside of an EH region.
6190 * except.c: Correct comments about rethrow behavior.
6191 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6193 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6195 * flow.c (make_edges): Always call make_eh_edge for calls.
6197 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6199 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6200 (struct cpp_buffer): Remove fname and underflow fields.
6201 (struct cpp_reader): Remove get_token field.
6202 (struct include_hash): Rename to struct ihash. Add typedef to
6204 (struct if_stack): Remove fname field.
6205 (IF_STACK_FRAME): Rename to IF_STACK.
6207 * cpperror.c (print_containing_files): Trust that there are no
6208 macro buffers below the top file buffer.
6209 * cppfiles.c: Replace all references to 'struct include_hash'
6210 with 'IHASH'. Rename initialize_input_buffer to
6211 init_input_buffer. Don't set or reference cpp_buffer->fname,
6212 use buffer->ihash->name instead.
6213 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6214 not CPP_NULL_BUFFER.
6215 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6216 IF_STACK_FRAME, IHASH not struct include_hash.
6217 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6218 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6219 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6220 references to cpp_buffer->fname (delete entirely, or use
6221 ->ihash->name instead) and IF_STACK->fname.
6222 (cpp_push_buffer): Don't set new->underflow.
6223 (do_include): Use cpp_file_buffer.
6225 * cpphash.c (collect_formal_parameters): Remove duplicate
6226 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6227 used as a macro argument name. Don't append "..." to namebuf
6228 for varargs macros. After we're done scanning, go through
6229 namebuf and make it NUL separated, not comma separated.
6230 (_cpp_compare_defs): Remove register tag from variables.
6231 Expect defn->argnames to be NUL separated.
6232 (_cpp_dump_definition): Expect defn->argnames to be NUL
6233 separated and in forward order.
6234 * cpphash.h: Update documentation of argnames field.
6236 2000-03-08 Richard Henderson <rth@cygnus.com>
6238 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6239 to fail. Don't pre-expand the source operand.
6241 * i386.md (strlensi): Initialize eoschar and align before use.
6243 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6245 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6246 CONSTRUCTOR element.
6248 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6250 * mips.c (mips_expand_prologue): If the last
6251 named argument is the vararg marker "va_list", treat it as
6252 an unnamed argument.
6254 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6256 * dbxout.c (dbxout_parms): When correcting for promoted
6257 big-endian parameters, use the mode of the DECL_RTL rather
6258 than UNITS_PER_WORD.
6260 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6262 * c-common.h (make_fname_decl): Declare.
6263 * c-common.c (make_fname_decl): Define.
6264 (declare_hidden_char_array): Remove.
6265 (declare_function_name): Use make_fname_decl.
6266 * c-decl.c (c_make_fname_decl): New function.
6267 (init_decl_processing): Set make_fname_decl.
6269 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6271 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6273 2000-03-07 Philipp Thomas <pthomas@suse.de>
6275 * po/POTFILES.in: Remove cppalloc.c from file list.
6277 2000-03-07 Steve Chamberlain <sac@pobox.com>
6279 * pj.c (pj_expand_prologue): current_function->args_info is
6280 now current_function_args_info.
6282 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6283 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6284 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6286 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6288 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6289 output as hexadecimal rather than the default octal.
6291 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6293 * cpphash.c (special_symbol): Fix thinko in previous commit.
6295 2000-03-07 Neil Booth <NeilB@earthling.net>
6297 * cppexp.c (struct operation, left_shift, right_shift,
6298 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6299 "int"s to "unsigned int"s.
6300 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6302 * cpplib.h: Update for above.
6303 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6304 returned from allocations.
6306 * cppinit.c (opt_comp, parse_options): New functions.
6307 (handle_option): Use parse_option to parse a single command
6308 line option, that possibly takes an argument.
6309 (cpp_handle_options): Sort the array of command line options on
6310 first invocation (non-ASCII hosts only).
6311 (print_help): Update.
6313 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6315 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6316 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6318 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6320 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6322 * cpperror.c (cpp_print_containing_files,
6323 cpp_print_file_and_line, v_cpp_message): Rename to
6324 print_containing_files, print_file_and_line, and v_message.
6325 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6326 to _cpp_parse_expr, parse_escape, and lex.
6327 (parse_charconst): Remove broken multibyte support.
6328 * cppfiles.c (include_hash): Make static.
6329 (cpp_included): New function.
6330 (merge_include_chains, find_include_file, finclude,
6331 simplify_pathname): Rename to _cpp_merge_include_chains,
6332 _cpp_find_include_file, _cpp_read_include_file, and
6333 _cpp_simplify_pathname.
6334 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6335 cpp_install, create_definition, macroexpand, compare_defs,
6336 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6337 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6338 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6339 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6341 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6343 * cpphash.h: Update prototypes.
6344 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6346 2000-03-07 Andrew Haley <aph@cygnus.com>
6348 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6349 PTRDIFF_TYPE should be based solely on Pmode.
6352 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6354 * rtl.h (rtunion_def): Constify member `rtstr'.
6355 (emit_line_note_after, emit_line_note, emit_line_note_force,
6356 emit_note, decode_asm_operands): Constify.
6358 * cse.c (canon_hash): Likewise.
6360 * dbxout.c (dbxout_block): Likewise.
6362 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6363 v_warning_for_asm): Likewise.
6365 * dwarfout.c (function_start_label): Likewise.
6367 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6368 emit_line_note_force): Likewise.
6370 * final.c (last_filename, asm_insn_count, final_scan_insn,
6371 output_source_line): Likewise.
6373 * function.h (struct emit_status): Likewise.
6375 * gcse.c (hash_expr_1): Likewise.
6377 * genattr.c (gen_attr, main): Likewise.
6379 * genattrtab.c (struct function_unit, current_alternative_string,
6380 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6381 attr_numeral, check_attr_test, check_attr_value,
6382 convert_set_attr_alternative, convert_set_attr,
6383 compute_alternative_mask, simplify_by_exploding, gen_attr,
6384 gen_unit): Likewise.
6386 * genflags.c (gen_insn): Likewise.
6388 * gengenrtl.c (type_from_format): Likewise.
6390 * genopinit.c (gen_insn): Likewise.
6392 * genoutput.c (n_occurrences, process_template, process_template):
6395 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6398 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6401 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6402 ggc_set_mark, ggc_get_size): Likewise.
6404 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6406 * optabs.c (init_one_libfunc): Likewise.
6408 * output.h (assemble_start_function): Likewise.
6410 * recog.c (decode_asm_operands): Likewise.
6412 * toplev.c (rest_of_compilation): Likewise.
6414 * tree.h (emit_line_note_after, emit_line_note,
6415 emit_line_note_force): Likewise.
6417 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6418 asm_emit_uninitialised, assemble_start_function,
6419 assemble_variable, const_hash, compare_constant_1,
6420 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6422 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6424 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6426 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6428 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6430 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6431 arm_dllimport_name_p): Likewise.
6433 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6436 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6438 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6440 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6441 arm_mark_dllexport, arm_mark_dllimport,
6442 arm_pe_encode_section_info): Likewise.
6444 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6445 ASM_FINISH_DECLARE_OBJECT): Likewise.
6447 * arm/thumb.c (thumb_function_prologue): Likewise.
6449 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6451 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6453 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6455 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6457 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6459 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6461 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6462 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6464 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6466 * i386/i386.c (asm_output_function_prefix): Likewise.
6468 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6470 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6472 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6474 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6475 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6476 ASM_OUTPUT_SECTION_NAME): Likewise.
6478 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6480 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6482 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6484 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6486 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6488 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6490 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6492 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6494 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6496 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6498 * mips/mips.md (movdi, movsi): Likewise.
6500 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6502 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6504 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6506 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6507 ASM_OUTPUT_ASCII): Likewise.
6509 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6510 output_mi_thunk, output_toc): Likewise.
6512 * rs6000/rs6000.md (movsi): Likewise.
6514 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6516 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6518 * v850/v850.c (print_operand, print_operand_address,
6519 v850_encode_data_area): Likewise.
6521 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6523 * config/mips/mips.md (zero_extendsidi2): Always force operand
6524 one to memory for mips16.
6526 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6528 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6529 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6530 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6531 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6532 (min_precision): Result is unsigned.
6533 (add_double, neg_double, mul_double): Low word is unsigned.
6534 (lshift_double, rshift_double, lrotate_double): Likewise.
6535 (rrotate_double, div_and_round_double): Likewise.
6536 (tree_floor_log2, compare_tree_int): New functions.
6537 (preserve_rtl_expr_temps): New declaration.
6538 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6539 (decl_attributes): Use tree_log2 to find alignment.
6540 Check for TREE_INT_CST_HIGH for format args.
6541 (min_precision): Now unsigned.
6542 Use tree_floor_log2.
6543 (truthvalue_conversion): Delete long-disabled code.
6544 * c-decl.c (finish_struct): Clean up tests on field width.
6545 (finish_function): Use compare_tree_int.
6546 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6547 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6548 (default_conversion, digest_init): Use compare_tree_int.
6549 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6550 Fix type errors in forming masks.
6551 * calls.c (initialize_argument_information): Use compare_tree_int.
6552 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6553 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6554 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6555 (store_field): Use compare_tree_int.
6556 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6557 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6558 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6559 (do_store_flag): Use compare_tree_int.
6560 * fold-const.c (encode, decode): Low part is always unsigned.
6561 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6562 (lshift_double, rshift_double, lrotate_double): Likewise.
6563 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6564 (fold_convert): Use compare_tree_int.
6565 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6566 (invert_truthvalue, case INTEGER_CST): Likewise.
6567 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6568 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6569 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6570 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6572 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6573 (expand_end_case): Use compare_tree_int.
6574 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6575 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6576 (layout_decl): Likewise.
6577 (layout_record, layout_union): Make sizes unsigned.
6578 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6579 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6580 * tree.c (struct type_hash): hashcode is unsigned.
6581 (build_type_attribute_variant, type_hash_list): Likewise.
6582 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6583 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6584 (build_complex_type): Likewise.
6585 (real_value_from_int_cst): Remove unneeded casts.
6586 (integer_all_onesp): Add casts.
6587 (tree_floor_log2, compare_tree_int): New functions.
6588 (build_index_type): Use tree_int_cst_sgn.
6589 * varasm.c (assemble_variable): Use compare_tree_int.
6591 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6593 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6595 * varasm.c (make_decl_rtl): Don't add a number to members of
6597 (make_function_rtl): Likewise.
6599 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6601 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6602 patch from 2000-01-28.
6604 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6606 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6607 filled with an insn from the jump target.
6609 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6611 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6612 (c4x_external_ref): Likewise.
6613 * config/c4x/c4x.c (struct name_list): Likewise.
6615 1999-12-16 Ben Collins <bcollins@debian.org>
6617 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6618 argument to genmultilib.
6619 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6620 the contents into the multilib.h header.
6621 * gcc.c: Declare multilib_exclusions for the specs file.
6622 (set_multilib_dir): Use it.
6623 (print_multilib_info): Likewise.
6624 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6625 to pass to genmultilib.
6627 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6629 * builtins.c (built_in_class_names, built_in_names): Constify a
6632 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6634 (_mcleanup): Ensure value matches format specifier in sprintf.
6636 * cpphash.c (special_symbol): Don't needlessly cast away
6639 * cppinit.c (base_name): Delete unused prototype.
6641 * mkdeps.c (deps_init): Make definition K&R safe.
6643 * tree.h (built_in_class_names, built_in_names): Constify a
6646 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6648 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6649 floating point instructions for epilogue delay.
6651 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6652 to gas if it supports .register pseudo.
6654 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6655 LONG_DOUBLE_TYPE_SIZE if not defined.
6656 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6657 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6659 * gengenrtl.c: Likewise.
6660 * print-rtl.c: Likewise.
6662 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6663 MASK_LONG_DOUBLE_128.
6664 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6665 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6666 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6667 (SUBTARGET_SWITCHES): Define.
6668 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6669 with -mlong-double-128.
6670 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6671 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6672 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6673 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6674 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6675 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6676 with -mlong-double-128.
6677 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6678 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6679 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6680 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6681 TARGET_LONG_DOUBLE_128): Define.
6682 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6683 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6684 long double on TARGET_ARCH64.
6686 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6688 * function.c (free_temps_for_rtl_expr): Don't free slots
6689 that have been pushed into a higher level.
6692 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6694 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6696 * basic-block.h (ALLOCA_REG_SET): Remove.
6697 (INITIALIZE_REG_SET): New macro.
6698 * flow.c (update_life_info): Use it.
6699 (calculate_global_regs_live): Likewise.
6700 (propagate_block): Likewise.
6701 * global.c (build_insn_chain): Likewise.
6702 * haifa-sched.c (schedule_region): Likewise.
6704 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6706 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6707 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6708 (DWARF_ARANGES_PAD_SIZE): New define.
6709 (output_aranges): Use it to pad the address range header.
6710 (DWARF_ROUND): Fix for non power of 2 rounding.
6712 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6714 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6716 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6718 * tree.def (RTL_EXPR): Update documentation.
6719 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6720 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6721 * function.c (preserve_rtl_expr_temp): New function.
6722 (preserve_rtl_expr_temps): Likewise.
6723 (preserve_rtl_expr_result): Use it.
6726 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6728 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6730 * regmove.c (copy_src_to_dest) Do not create src->dest move
6731 for unchanging destination.
6733 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6735 * function.h (struct sequence_stack): Remove rtl_expr.
6736 (struct emit_staus): Likewise.
6737 (seq_rtl_expr): Remove.
6738 * tree.h (free_temps_for_rtl_expr): Don't declare.
6739 (start_sequence_for_rtl_expr): Likewise.
6740 * rtl.h (preserve_rtl_expr_result): Likewise.
6741 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6742 (start_sequence_for_rtl_expr): Remove.
6743 (push_topmost_sequence): Don't save sequence_rtl_expr.
6744 (pop_topmost_sequence): Remove comment about not restoring it.
6745 (end_sequence): Don't set seq_rtl_expr.
6746 (init_emit): Don't initialize it.
6747 (mark_sequence_stack): Don't mark it.
6748 (mark_emit_status): Likewise.
6749 * except.c (protect_with_terminate): Use
6750 start_sequence_for_rtl_expr, not start_sequence.
6751 * expr.c (expand_expr, case RTL_EXPR): Don't call
6752 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6753 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6754 (preserve_rtl_expr_result): Remove.
6755 (free_temps_for_rtl_expr): Likewise.
6756 (pop_temp_slots): Likewise.
6757 (mark_temp_slot): Don't mark the rtl_expr.
6758 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6759 start_sequence_for_rtl_expr.
6761 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6763 * mkdeps.c, mkdeps.h: New files.
6764 * po/POTFILES.in: Add them.
6765 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6766 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6767 (mkdeps.o): New target.
6769 * cppfiles.c: Delete deps_output.
6770 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6771 OBJECT_SUFFIX, and base_name.
6772 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6774 (initialize_dependency_output): Use deps_init,
6775 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6776 all the unnecessary string bashing.
6777 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6779 * cpplib.c (do_include): Use deps_add_dep.
6780 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6781 deps_allocated_size, deps_size, deps_column members with
6782 single pointer to a struct deps. Delete prototype of
6785 * cppinit.c: Fix thinko in previous patch.
6787 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6789 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6790 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6791 (mode_for_size_tree): New function.
6792 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6793 * tree.h (mode_for_size_tree): New declaration.
6795 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6797 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6799 * stmt.c (is_body_block): Move...
6800 * dwarfout.c, dwarf2out.c: ...from here.
6801 * tree.h: Declare it.
6802 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6803 * final.c (final_start_function): Do call remove_unnecessary_notes
6806 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6808 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6810 * cpplib.h (_dollar_ok): New macro.
6811 (is_idchar, is_idstart): Use it.
6812 (IStable): Rename to _cpp_IStable. Declare it const if
6813 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6814 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6815 is_space): Update for renamed IStable.
6817 * cppinit.c: Delete all references to FAKE_CONST and CAT
6818 macros. Define init_IStable as empty macro if gcc >=2.7 or
6819 C99. Change TABLE() to ISTABLE and hardcode name of table.
6820 (cpp_start_read): Don't change the IStable based on
6823 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6824 changed. Handle '$' for char1 correctly.
6825 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6827 * cppexp.c (tokentab2): Make const.
6828 (cpp_lex): Make toktab const.
6829 * cppinit.c (include_defaults_array): Make const.
6830 (initialize_standard_includes): Make default_include const.
6832 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6834 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6835 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6836 (gen_decl_die): Likewise.
6837 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6838 (output_decl): Likewise.
6840 * varasm.c (make_function_rtl): If we change the name used in the
6841 rtl, update DECL_ASSEMBLER_NAME accordingly.
6842 (make_decl_rtl): Likewise.
6844 * toplev.c (rest_of_compilation): Tweak formatting.
6846 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6847 remove_unnecessary_notes.
6848 (debug_ignore_block): New fn.
6849 * toplev.h: Declare it.
6850 * emit-rtl.c (remove_unncessary_notes): Call it.
6851 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6852 * dwarf2out.h: Declare it.
6853 * final.c (final_start_function): Don't call remove_unnecessary_notes
6854 if we did insn scheduling.
6856 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6858 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6859 * cpplib.h: Delete SET_CPP_PEDANTIC.
6861 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6863 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6864 result is a RECORD_TYPE.
6866 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6868 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6870 2000-03-03 Richard Henderson <rth@cygnus.com>
6872 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6873 addition over compliments over shifts.
6875 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6877 * reload1.c (reload_combine_note_use): Handle return register USEs.
6878 REG case: Handle multi-hard-register hard regs.
6880 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6882 * md.texi: Document use of '*' in insn pattern name.
6884 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6886 * calls.c (special_function_p): operator new may not be malloc-like.
6888 * gcse.c (dump_hash_table): Really fix error in last change.
6890 2000-03-02 Denis Chertykov <denisc@overta.ru>
6892 * avr.c (print_operand): Use print_operand_address instead of
6894 * avr/libgcc.S: Cleanup code.
6896 2000-03-02 Richard Henderson <rth@cygnus.com>
6898 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6900 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6902 * tree.h (TYPE_ALIGN_UNIT): New macro.
6904 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6906 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6908 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6910 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6912 (SET_CPP_PEDANTIC): New macro.
6913 * cpplib.c (do_include): Don't bother checking system_header_p.
6914 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6915 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6917 * function.h (struct expr_status): Add x_arg_space_so_far.
6918 (arg_space_so_far): New macro.
6919 * expr.c (init_expr): Initialize it.
6920 * calls.c (emit_call_1): Reset it.
6921 (compute_argument_block_size, expand_call): Use it.
6922 (expand_call, store_one_arg): Increment it.
6924 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6926 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6929 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6931 * cppfiles.c (cpp_read_file): New function.
6933 * cpphash.c (collect_expansion): Make sure to reset last_token
6934 to NORM when we hit a string. Handle trailing whitespace
6935 properly when the expansion is empty.
6936 (create_definition): Disable line commands while parsing the
6938 (dump_definition): If pfile->lineno == 0, output a line
6939 command ahead of the dump, and add a trailing newline.
6941 * cppinit.c (append_include_chain): Add fifth argument, which
6942 indicates whether or not system headers are C++ aware.
6943 (initialize_standard_includes): New function,
6944 broken out of read_and_prescan. Pass 'cxx_aware' value from
6945 the include_defaults_array on to append_include_chain.
6946 (dump_special_to_buffer): Const-ify char array.
6947 (builtin_array): Don't dump __BASE_FILE__.
6948 (cpp_start_read): Use cpp_read_file. Reorder code for
6949 clarity. Don't output line commands here for -D/-A/-U
6950 switches. Don't call deps_output for files included with
6951 -include or -imacros.
6953 * cpplib.c (do_define): Don't pay any attention to the second
6955 (cpp_expand_to_buffer): Disable line commands while scanning.
6956 (output_line_command): Work in the file buffer.
6957 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6958 Fix formatting of comments. Prototype cpp_read_file.
6960 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6962 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6963 reference the language-equivalent of sizetype.
6964 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6965 * fold-const.c (size_binop, size_diffop): Put back checks.
6966 * gcse.c (dump_hash_table): Fix minor error in last change.
6967 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6968 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6971 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6973 * calls.c (expand_call) Do not attempt to combine stack adjustments
6974 with inhibit_defer_pop set.
6976 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6978 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6979 the DECL_SIZE for a FIELD_DECL.
6981 2000-03-01 Bruce Korb <bkorb@gnu.org>
6983 * fixinc/inclhack.tpl: remove unused symlinks
6984 * fixinc/README: GCC Maintainer info
6985 * fixinc/inclhack.sh: regen
6986 * fixinc/fixincl.sh: regen
6988 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6990 * cpphash.c (collect_expansion): Trim trailing white space
6991 from macro definitions, but don't go past the last insertion
6994 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6996 * i386.md (mulqi3): New pattern.
6998 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7000 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7002 (struct cpp_reader): Add parsing_if_directive and
7003 parsing_define_directive flags.
7004 (struct cpp_options): Remove output_conditionals flag.
7005 (check_macro_name): Delete prototype.
7007 * cpphash.h (struct macrodef): Delete.
7008 (struct reflist): Separate from struct definition.
7009 (struct definition): Remove unused fields. Add column number.
7010 (create_definition): Returns a DEFINITION *. Takes a
7011 cpp_reader * and an int.
7013 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7014 (PEEKC): Copy defn from cpplib.c.
7015 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7017 (struct arglist): Simplify.
7018 (collect_expansion): Rewrite. Get tokens by calling
7019 cpp_get_token. Add more error checking.
7020 (collect_formal_parameters): New function, broken out of
7021 create_definition and reworked to use get_directive_token.
7022 (create_definition): All real work is now in collect_expansion
7023 and collect_formal_parameters. do_define handles finding the
7024 macro name. Return a DEFINITION, not a MACRODEF.
7025 (macroexpand): Replace bcopy with memcpy throughout. Replace
7026 character-at-a-time copy loop with memcpy and pointer increments.
7027 (compare-defs): d1->argnames / d2->argnames might be null.
7029 * cpplib.c (copy_rest_of_line): Delete function.
7030 (skip_rest_of_line): Do all the work ourselves.
7031 (skip_string): New function.
7032 (parse_string): Use skip_string.
7033 (get_macro_name): New function.
7034 (check_macro_name): Delete.
7035 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7036 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7037 (handle_directive): ICE if we're called on a macro buffer.
7038 (do_define): Determine macro name and type (funlike/objlike)
7039 here. Expunge all uses of MACRODEF.
7040 (cpp_push_buffer): Set line_base to NULL.
7041 (do_undef, read_line_number): Don't worry about getting a POP token.
7042 (eval_if_expression): Set/reset parsing_if_directive around
7043 cpp_parse_expr. Don't clear only_seen_white.
7044 (skip_if_group): Remove output_conditionals logic. Use
7046 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7047 tokens under appropriate conditions.
7048 (cpp_unassert): Call do_unassert not do_assert. Oops.
7050 * cppexp.c (parse_defined): New function, break out of
7052 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7053 ourselves, with cpp_defined.
7054 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7056 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7057 * gcc.dg/strpaste-2.c: New.
7059 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7061 * fold-const.c (size_binop): Don't asert inputs are the same and
7062 have TYPE_IS_SIZETYPE set.
7063 (size_diffop): Likewise.
7065 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7067 * dwarfout.c (output_block): Output abstract blocks even if they
7068 don't have TREE_ASM_WRITTEN set.
7070 * calls.c (emit_library_call): Check for null REG.
7072 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7074 * c-decl.c (current_function_decl): Move to toplev.c.
7075 (init_decl_processing): Don't add current_function_decl as a ggc
7077 * dbxout.c (dbxout_symbol): Change return type to int.
7078 (dbxout_symbol_location, dbxout_syms): Likewise.
7079 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7080 any locals. Use current_function_func_begin_label if set.
7081 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7082 * dwarf2out.c (dwarf2out_begin_prologue): Set
7083 current_function_func_begin_label.
7084 * final.c (final_start_function): Reset it.
7085 * toplev.c (current_function_decl): Define it here.
7086 (current_function_func_begin_label): New variable.
7087 (main): Add both as ggc roots.
7088 * tree.h (current_function_func_begin_label): Declare.
7090 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7092 * gcse.c: Cleanups throughout: mostly white-space, but also
7093 some minor rearrangement of code.
7095 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7097 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7098 returns a PARALLEL. Use emit_group_load and use_group_regs
7100 (emit_library_call_value): Similarly.
7102 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7103 * pa/quadlib.asm: Remove.
7104 * pa/quadlib.c: New file.
7106 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7107 * configure: Rebuilt.
7109 2000-02-29 Philip Blundell <pb@futuretv.com>
7111 * config/arm/conix-elf.h: New file.
7112 * configure.in (arm*-*-conix*): New configuration.
7113 * configure: Regenerate.
7115 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7117 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7118 don't have TREE_ASM_WRITTEN set.
7120 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7122 * Eliminate DECL_FIELD_SIZE.
7123 * builtins.c (built_in_class_names, built_in_names): New variables.
7124 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7125 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7126 DECL_SIZE, not DECL_FIELD_SIZE.
7127 * print-tree.c (print_node): Remove code that prints extra blank
7128 lines in some cases.
7129 Properly handle inline and builtin function cases.
7130 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7131 * tree.h (built_in_class_named, built_in_names): New declarations.
7132 (union tree_decl): Rename internal unions to u1 and u2 and change
7133 some of their components.
7134 Add new field built_in_class.
7135 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7136 Reflect above changes.
7137 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7138 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7139 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7140 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7142 2000-02-28 Dmitri Makarov <dim@windriver.com>
7144 * extend.texi: Document ARM's support for long/short calls.
7146 * invoke.texi: Document ARM's -mlong-calls command line switch.
7148 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7149 (arm_encode_call_attribute): Add prototype.
7150 (arm_set_default_type_attribute): Add prototype.
7151 (arm_strip_name_encoding): Add prototype.
7153 * config/arm/arm.c (arm_init_cumulative_args): replace
7154 initialisation og 'long_calls' field with initialisation of
7155 'call_cookie' field.
7156 (enum arm_pragma_enum): New enum.
7157 (arm_pragma_long_calls): New static variable.
7158 (arm_process_pragma): Also process "#pragma long_calls_off".
7159 (arm_valid_type_attribute_p): Accept short_call attribute.
7160 (arm_comp_type_attributes): Check long/short call attributes.
7161 (arm_encode_call_attribute): New function: Encode long_call
7162 or short_call attribute in function name.
7163 (arm_set_default_type_attributes): New function: Assign
7164 default attributes to newly defined type.
7165 (current_file_function_operand): New function: Return true if
7166 the symbol is a function which has already been compiled.
7167 (arm_is_longcall_p): New function: Return true if the
7168 indicated function should be called via a long call.
7169 (arm_get_strip_length): New function. Returns number of
7170 prefix characters to be stripped from a function's name.
7171 (arm_strip_name_encoding): New function. Strip prefix characters
7172 from a function's name.
7174 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7176 (SHORT_CALL_FAG_CHAR): Define.
7177 (LONG_CALL_FAG_CHAR): Define.
7178 (ENCODED_SHORT_CALL_ATTR_P): Define.
7179 (ENCODED_LONG_CALL_ATTR_P): Define.
7180 (ARM_NAME_ENCODING_LENGTHS): Define.
7181 (STRIP_NAME_ENCODING): Define.
7182 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7183 (ARM_ENCODE_CALL_TYPE): Define.
7184 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7185 (ARM_DECLARE_FUNCTION_SIZE): Define.
7186 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7188 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7189 if a long call is needed.
7190 (call_value): Ditto.
7191 (call_symbol): Ditto.
7193 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7194 ARM_DECLARE_FUNCTION_SIZE.
7196 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7197 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7198 (ARM_STRIP_NAME_ENCODING): Undefine.
7199 (STRIP_NAME_ENCODING): Undefine.
7200 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7201 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7202 (ASM_OUTPUT_COMMON): Ditto.
7203 (ASM_DECLARE_OBJECT_NAME): Ditto.
7205 * config/arm/pe.c (arm_dllexport_name_p): Check for
7207 (arm_dllimport_name_p): Ditto.
7208 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7209 (arm_mark_dllimport): Ditto.
7211 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7213 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7215 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7217 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7219 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7221 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7222 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7223 NO_BUILTIN_WCHAR_TYPE is not defined.
7224 (CPP_WCHAR_TYPE): Delete.
7225 * cccp.c (main): Don't change wchar_type if cplusplus.
7226 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7228 2000-02-28 Nick Clifton <nickc@cygnus.com>
7230 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7232 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7234 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7235 (ASM_WEAKEN_LABEL): Define.
7237 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7239 * expr.c (store_constructor): Do not emit USE.
7240 * rtl.h (stupid_life_analysis): Remove.
7242 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7244 * function.c (number_blocks): Reset next_block_index based on
7245 what debugging format is used, not what is defined.
7247 * lcm.c: Minor reformatting throughout.
7248 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7250 * toplev.c (rest_of_compilation): Account for time in
7251 optimize_mode_switching.
7253 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7254 if only marking labels.
7256 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7258 * calls.c (expand_call): Attempt to combine stack adjustments with
7259 pending stack adjustments.
7261 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7263 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7264 to the end of the function.
7266 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7268 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7270 * final.c (next_block_index): Remove.
7271 (max_block_depth): Likewise.
7272 (pending_blocks): Likewise.
7273 (init_final): Don't initialize them.
7274 (final_start_function): Don't set next_block_index. Set up
7276 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7277 * function.h (number_blocks): New function.
7278 * function.c (get_block_vector): New function.
7279 (identify_blocks): Use it.
7280 (reorder_blocks): Set NOTE_BLOCK.
7281 (number_blocks): New function.
7282 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7283 * tree.h (BLOCK_NUMBER): New macro.
7284 (tree_block): Add block_num field.
7285 * dbxout.c (next_block_number): Remove.
7286 (dbxout_init): Don't set it.
7287 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7288 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7290 * toplev.c (rest_of_compilation): Always call
7291 find_loop_tree_blocks. Fix indentation.
7292 * dwarf2out.c (next_block_number): Remove.
7293 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7294 to determine block numbers.
7295 (gen_inlined_subroutine_die): Likewise.
7296 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7297 (decls_for_scope): Don't increment next_block_number.
7298 * dwarfout.c (next_block_number): Remove.
7299 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7300 to determine block numbers.
7301 (output_inlined_subroutine_die): Likewise.
7302 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7303 (output_decls_for_scope): Don't increment next_block_number.
7304 * sdbout.c (next_block_number): Remove.
7305 (sdbout_block): Use BLOCK_NUMBER.
7306 (sdbout_begin_block): Simplify.
7307 * xcoffout.c (next_block_number): Remove.
7308 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7309 (xcoffout_begin_block): Don't set next_block_number.
7310 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7313 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7315 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7316 (expand_builtin_strcpy): Pass correct type to size_binop.
7317 (expand_builtin_strcmp): Likewise.
7318 Clean up conditional structure.
7319 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7320 (complete_array_type): Don't use size_binop for MAXINDEX.
7321 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7322 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7323 (c_alignof): Use size_one_node.
7324 (build_unary_op): Pass arg of proper type to size_binop.
7325 (really_start_incremental_init, push_init_level): Use sizetype for
7326 constructor{,_bit,_unfilled}_index.
7327 (pop_init_label, output_init_element): Likewise.
7328 (output_pending_init_elements, process_init_element): Likewise.
7329 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7330 * expr.c (store_expr): Use size_int.
7331 (store_constructor): Use proper types for size_binop args.
7332 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7333 (expand_expr_unaligned): Likewise.
7334 (string_contant): Return object of sizetype.
7335 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7336 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7337 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7338 * fold-const.c (int_const_binop): Refine when size_int is called.
7339 (fold_convert): Likewise.
7340 (size_int_wide): Rework to take KIND as arg, only take low order
7341 bits, handle new sizetype_tab datatype, and chain entries in
7343 (size_int_type_wide): New function.
7344 (size_binop): Validate types of arguments.
7345 (ssize_binop): Deleted.
7346 (size_diffop): New function.
7347 (extract_muldiv): Only fold division into multiplication for sizetypes.
7348 * function.c (assign_parms): Use size_diffop and make sure
7349 VAR field is of ssizetype; also pass proper type to size_binop.
7350 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7351 (round_down): Deleted from here.
7352 * store-layout.c (sizetype_tab): Now an array.
7353 (sizetype_set, early_root_list): New variables.
7354 (variable_size): Use size_one_node.
7355 (round_up): Pass proper type to size_binop.
7356 (round_down): Moved to here and corrected as above.
7357 (layout_record): Pass proper arg types to size_binop.
7358 (layout_type): Likewise.
7359 If sizetype_set is zero, record the type just laid out.
7360 (make_unsigned_type): Don't call set_sizetype;
7361 (make_signed_type): Likewise; also, call fixup_signed_type.
7362 (initialize_sizetypes): New function.
7363 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7364 set name of bitsizetype to "bit_size_type".
7365 Fix up type of sizes of all types made before call.
7366 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7367 * tree.c (fix_sizetype): Deleted.
7368 (build_common_tree_nodes): Call initialize_sizetypes.
7369 (build_common_tree_nodes_2): Don't call fix_sizetype.
7370 * tree.h (TYPE_IS_SIZETYPE): New macro.
7371 (initialize_sizetype): New declaration.
7372 (enum size_type_kind): New type.
7373 (struct sizetype_tab): Deleted.
7374 (sizetype_tab): Now array; adjust sizetype macros.
7375 (size_diffop, size_int_type_wide): New functions.
7376 (size_int_wide): Change number of args and type; access macros changed.
7377 (ssize_int, sbitsize_int): New macros.
7378 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7379 (ROUND_TYPE_SIZE_UNIT): New macro.
7381 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7383 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7385 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7387 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7388 Mark as possibly unused.
7390 * cse.c (cse_insn): Delete dead code involving tablejump.
7391 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7393 * Makefile.in (libcpp.a): Start by deleting it.
7395 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7397 * cpplib.h (enum file_change_code): Added rename_file.
7398 * cpplib.c (do_line): If a filename is given, set file_change to
7400 (output_line_command): If file_change is rename_file, always
7401 output a # directive with the file name.
7403 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7405 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7407 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7408 when copying a PARM_DECL or RESULT_DECL.
7410 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7412 * fix-header.c (recognized_function): Also fix prototypes for
7413 functions taking "void".
7415 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7417 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7418 looking at reg_reloaded_contents.
7420 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7422 * Makefile.in (STMP_FIXINC): New toggle.
7423 (LIBGCC2_DEPS): Delete all references.
7424 (stmp-headers): Delete target. All references either deleted
7425 or changed to stmp-int-headers.
7426 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7427 (LIBCPP_OBJS): Take out cppalloc.o.
7428 (cppalloc.o): Delete target.
7429 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7430 (gen-protos, fix-header): Link with libiberty.a.
7431 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7434 * configure.in: Remove refs to strerror.
7435 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7436 * system.h: Take out strerror stanza.
7438 * cpperror.c (my_strerror): Delete function.
7439 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7440 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7441 * cppalloc.c: Delete file.
7442 * gen-protos.c: Don't provide xrealloc.
7444 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7445 xstrerror throughout.
7447 2000-02-26 Bruce Korb <bkorb@gnu.org>
7449 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7450 match for DOS headers, too.
7451 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7453 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7455 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7456 is right for most ELF targets.
7457 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7458 Let the default file use %U properly.
7459 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7462 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7465 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7467 * toplev.c (documented_lang_options): Correct spelling error.
7468 (decode_d_option, decode_f_option, main): Likewise.
7470 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7472 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7473 to tell assembler it is permitted to expand large constants.
7475 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7477 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7478 (aux_info_suffix): Use.
7479 (SAVE_SUFFIX): New macro.
7481 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7482 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7483 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7485 * invoke.texi (Running Protoize): Update documentation.
7487 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7489 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7491 2000-02-25 John Wehle (john@feith.com)
7493 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7495 2000-02-25 Anthony Green <green@cygnus.com>
7497 * toplev.c (rest_of_compilation): Rebuild jump labels if
7498 combine_instructions has created a new direct jump.
7499 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7501 (combine_instructions): Call try_combine with new argument.
7502 Return non-null value when new direct jump instruction is created.
7503 * rtl.h: combine_instructions returns an int.
7505 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7507 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7508 jump when changing a computed jump into a jump to a known
7511 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7513 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7514 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7516 * i386.md (define_expand "clrstrsi"): Fix typo.
7518 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7520 * rtl.texi: Fix typo.
7522 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7524 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7525 UNITS_PER_WORD. Change caller initial_elimination_offset.
7526 (rounded_frame_size): Take into account that argument pushed has
7527 changed. Fix TARGET_ALIGN_DOUBLE problem.
7529 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7531 * haifa-sched.c (schedule_block): Explain the real reason
7532 we delete REG_SAVE_NOTEs on the first insn of a block.
7533 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7535 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7537 * input.h (push_srcloc): New function.
7538 (pop_srcloc): Likewise.
7539 * toplev.c (push_srcloc): Define it.
7540 (pop_srcloc): Likewise.
7542 2000-02-24 Richard Henderson <rth@cygnus.com>
7544 * flow.c (life_analysis): When collecting reg info, clear
7547 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7549 Fix bug exposed by reload.c no longer rounding the frame
7550 size to BIGGEST_ALIGNMENT:
7551 * sh.c (rounded_frame_size): New function.
7552 (sh_expand_prologue, sh_expand_epilogue): Use it.
7553 (initial_elimination_offset): Likewise.
7555 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7557 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7558 * sh-protos.h (sh_need_epilogue): Declare.
7559 * sh.c (sh_need_epilogue_known): New static variable.
7560 (sh_need_epilogue): New function.
7561 (function_epilogue): Clear need_epilogue_known.
7562 * sh.md (return): Split into expander / insn pattern.
7563 Make the expander conditional on ! sh_need_epilogue ().
7565 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7567 * machmode.h (get_mode_alignment): Declare.
7568 (GET_MODE_ALIGNMENT): Call it.
7569 * stor-layout.c (get_mode_alignment): New function. Make
7570 sure alignment is always power of 2.
7572 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7574 * i386.h: Remove useless definition of "I386" and misleading
7577 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7579 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7580 under which TREE_PERMANENT will be set.
7581 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7582 build1): Use TREE_SET_PERMANENT.
7583 * print-tree.c (print_node): Don't report value of
7584 TREE_PERMANENT if ggc_p is true.
7586 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7587 decide whether to give a type a new alias set.
7588 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7589 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7590 of value of 'obstack'.
7593 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7595 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7597 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7599 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7600 * cpplib.c (cpp_get_token): Produce them.
7601 * cppexp.c (cpp_lex): Handle them.
7603 2000-02-23 Nick Clifton <nickc@cygnus.com>
7605 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7606 comment tests on type attributes.
7608 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7610 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7611 conform to documentation.
7612 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7613 to check for special cases.
7614 * sh-protos.h (sh_loop_align): Declare.
7615 * sh.c (sh_loop_align): Define.
7617 2000-02-22 Andrew Haley <aph@cygnus.com>
7619 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7620 (SIZE_TYPE): Is 32 bits when using -mgp32.
7621 (PTRDIFF_TYPE): Ditto.
7623 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7625 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7627 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7629 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7630 BIGGEST_FIELD_ALIGNMENT a constant.
7632 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7634 * dwarf2out.c (output_line_info): Put the marker for the end of
7635 the line number info at the actual end.
7636 (gen_struct_or_union_type_die): Use decl_function_context
7637 to check for local classes.
7638 * dwarfout.c (output_type): Likewise.
7640 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7642 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7643 for arguments with a mode, but no type.
7644 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7645 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7646 * pa/long_double.h: New file.
7647 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7648 both have 128bit wide long doubles.
7649 * configure: Rebuilt.
7651 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7653 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7655 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7656 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7657 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7659 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7661 * integrate.c (compare_blocks, find_block): Likewise.
7663 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7665 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7667 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7668 expand_asm_operands): Likewise.
7670 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7672 * predict.c (estimate_probability): Added the pointer heuristic to
7673 the collection of static branch predictors.
7675 2000-02-21 Catherine Moore <clm@cygnus.com>
7677 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7678 * invoke.texi (-mfix7000): Document.
7680 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7682 * diagnostic.c (init_output_buffer): Make it possible to output at
7683 least 32 characters if we're given a too long prefix.
7685 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7687 * varasm.c (initializer_constant_valid_p): Call
7688 lang_expand_constant to simplify the constant.
7690 2000-02-20 Bruce Korb <bkorb@gnu.org>
7692 * fixinc/inclhack.def(stdio_va_list):
7693 typedef needs to be disabled.
7694 * fixinc/inclhack.sh: regen
7695 * fixinc/fixincl.x: regen
7697 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7699 * print-rtl.c (print_rtx): Don't print addresses when
7700 flag_dump_unnumbered.
7702 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7704 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7706 (sparc_va_arg, sparc_flat_output_function_prologue,
7707 sparc_flat_output_function_epilogue): Cast value to unsigned in
7709 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7711 * sparc.md: Add default case in switch.
7713 2000-02-19 Richard Henderson <rth@cygnus.com>
7715 * c-typeck.c (add_pending_init): Don't abort for multiple
7716 fields at the same offset.
7717 (pending_init_member): Test the correct member.
7719 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7721 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7723 (start_catch_handler) : Same.
7725 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7727 * Makefile.in: Have flow.o depend on $(EXPR_H)
7729 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7731 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7732 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7733 (finish_decl): Remove -Wlarger-than code from here.
7734 * flags.h (id_clash_len): Now int.
7735 (larger_than_size): Now HOST_WIDE_INT.
7736 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7737 Clean up checking to see if in table.
7738 (make_bit_field_ref): Remove extra parm to bitsize_int.
7739 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7740 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7741 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7742 and for computing size of decl.
7743 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7744 Move -Wlarger-than code to here.
7745 (layout_record): Remove extra arg to bitsize_int.
7746 Set TYPE_BINFO_SIZE_UNIT.
7747 (layout_union): Remove extra arg to bitsize_int.
7748 Use proper type for size of QUAL_UNION.
7749 (layout_type): Remove extra arg to bitsize_int.
7750 * toplev.c (id_clash_len): Now int.
7751 (larger_than_size): Now HOST_WIDE_INT.
7752 (decode_W_option): Clean up id-clash and larger-than- cases.
7753 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7754 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7755 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7756 (struct tree_decl): New field size_unit.
7757 (size_int_wide): No HIGH operand; NUMBER is now signed.
7758 (size_int_2): Deleted.
7759 (size_int, bitsize_int): Don't use it and rework args.
7760 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7762 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7764 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7766 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7768 * invoke.texi (Warning Options): Add an explanation of why
7769 you might want the -Wfloat-equal flag.
7771 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7773 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7774 * cppinit.c (new_pending_define): Add cast to avoid warning.
7775 * expmed.c (extract_bit_field): Likewise.
7776 * flow.c (enum reorder_skip_type): New type.
7777 (skip_insns_between_blcok): New it.
7778 Rework to avoid warning about possibly undefined variable.
7779 * function.c (assign_parms): Make thisparm_boundary unsigned.
7780 * genrecog.c (write_switch): Cast XWINT result to int.
7781 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7782 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7783 one for MIPS and one for Alpha.
7784 (get_tag, copy_object): Add casts to avoid warnings.
7785 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7786 * reload.c (find_reloads): Make TYPE enum reload_type.
7787 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7788 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7789 * varasm.c (compare_constant_1): Add cast to avoid warning.
7790 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7792 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7793 Cast switch operand of size to int.
7794 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7795 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7798 2000-02-18 Nick Clifton <nickc@cygnus.com>
7800 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7801 anything for an alignment of zero.
7803 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7804 anything for an alignment of zero.
7806 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7808 * gcc.texi (Bug Reporting): Refer to bugs.html.
7809 (Bug Lists): Likewise.
7810 * system.h (GCCBUGURL): New preprocessor define.
7811 * rtl.c (fancy_abort): Use it.
7812 * gcc.c (main): Likewise.
7814 2000-02-18 Richard Henderson <rth@cygnus.com>
7816 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7817 (life_analysis_1): Subsume into ...
7818 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7819 Use update_life_info for the relaxation.
7820 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7821 entry and regs_live_at_setjmp.
7822 (set_noop_p): Simplify.
7823 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7824 (record_volatile_insns): Split into ...
7825 (delete_noop_moves): ... here,
7826 (notice_stack_pointer_modification): ... here,
7827 (insn_dead_p): ... and here.
7828 (propagate_block): Don't query INSN_VOLATILE.
7829 (mark_used_regs): Mind !PROP_REG_INFO.
7830 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7831 not in life_analysis.
7833 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7835 * loop.c (canonicalize_condition): New function,
7836 broken out of get_condition.
7837 (get_condition): Use it.
7838 * expr.h (canonicalize_condition): Prototype it.
7840 * tree.h (tree_int_cst_msb): Declare.
7841 * tree.c (tree_int_cst_msb): New function.
7843 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7845 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7848 * invoke.texi (-fmessage-length=n): Document.
7850 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7852 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7854 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7856 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7859 2000-02-17 Nick Clifton <nickc@cygnus.com>
7861 * config/arm/thumb.c: Replace includes of system headers with
7862 #include "system.h".
7864 2000-02-16 Richard Henderson <rth@cygnus.com>
7866 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7867 Add crtbeginS.o and crtendS.o.
7868 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7869 (ENDFILE_SPEC): Use crtendS.o.
7870 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7872 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7873 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7875 (__dso_handle): New variable.
7876 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7877 bias to __CTOR_END__.
7879 2000-02-16 Richard Henderson <rth@cygnus.com>
7881 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7883 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7885 * longlong.h (__clz_tab): Declare as static to match definition.
7887 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7888 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7889 (XREF_FILE_NAME): Define.
7891 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7892 (EH_FRAME_SECTION_ASM_OP): Define.
7893 (IDENT_ASM_OP): Define.
7894 (TEXT_SECTION_ASM_OP): Define.
7896 (CTORS_SECTION_ASM_OP): Define.
7897 (CTOR_SECTION_FUNCTION): Use it.
7898 (DTORS_SECTION_ASM_OP): Define.
7899 (DTOR_SECTION_FUNCTION): Use it.
7901 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7903 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7906 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7907 debug_bb_n): New functions.
7908 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7909 * basic-block.h: Prototype new functions.
7911 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7913 * configure.in: Add support for avr target.
7914 * configure: Rebuilt.
7916 * invoke.texi: Add AVR invocation docs.
7917 * install.texi: Add information about AVR.
7918 * md.texi: Add AVR constraint letters description.
7919 * extend.texi: Add description for AVR specific attributes.
7921 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7923 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7925 2000-02-16 Nick Clifton <nickc@cygnus.com>
7927 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7928 (make_insn_raw): Move RTL check here.
7930 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7932 * version.c: Include gansidecl.h and version.h.
7934 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7936 * configure.in (gcc_version): When setting, narrow search to
7937 lines containing `version_string'.
7939 * Makefile.in (mainversion): Likewise.
7940 (GCC_H): New variable.
7941 (gcc.h): Delete target.
7942 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7943 (version.o): Depend on version.h.
7944 (dbxout.o): Don't depend on gcc.h.
7946 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7947 Michael Meissner <meissner@cygnus.com>
7949 * md.texi (Simple Constraints): Add item about whitespace.
7950 * genoutput.c (strip_whitespace): New.
7951 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7952 strip_whitespace for constraints.
7953 Test pointer using NULL, not 0.
7955 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7957 * cpplib.c (do_line): Pedwarn for #line > 32767.
7959 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7961 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7963 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7964 to default cpp spec.
7965 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7966 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7969 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7972 2000-02-15 Denis Chertykov <denisc@overta.ru>
7974 * configure.in: Add support for avr target.
7976 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7978 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7979 (sh_addr_diff_vec_mode): Don't declare.
7980 * sh.c (sh_addr_diff_vec_mode): Delete.
7982 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7984 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7986 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7988 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7989 (smulsi3_highpart_i): Name.
7990 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7991 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7992 (smulsi3_highpart, umulsi3_highpart): Likewise.
7994 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7995 correctly independent of endianness.
7996 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7997 confuse the optimizers.
7998 (mulsidi3+1, umulsidi3+1): New define_split.
8000 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8002 * config/sh/sh.md: Guard insn splits against illegal registers.
8003 * config/sh/sh.h: Correct comment about macros.
8005 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8006 Andrew MacLeod <amacleod@cygnus.com>
8008 * Makefile.in (lcm.o): Depend on insn-attr.h.
8009 * basic-block.h (optimize_mode_switching): Declare.
8010 * lcm.c (tm_p.h, insn-attr.h): #include.
8011 (seginfo, bb_info): New structs.
8012 (antic, transp, comp, delete, insert) : New file-scope static variables.
8013 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8014 (reg_becomes_live, optimize_mode_switching): Likewise.
8015 * tm.texi: Add description of mode switching macros.
8016 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8018 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8019 (fldi_ok, fpscr_set_from_mem): New prototypes.
8020 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8021 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8022 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8023 (sh_flag_remove_dead_before_cse): Remove declaration.
8024 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8025 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8026 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8027 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8028 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8029 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8030 (fldi_ok): New function.
8031 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8032 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8033 (emit_df_insn): Likewise.
8034 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8035 (sh_flag_remove_dead_before_cse): Delete.
8036 (get_free_reg, fpscr_set_from_mem): New functions.
8037 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8038 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8040 2000-02-15 Loren Rittle <ljrittle@acm.org>
8042 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8044 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8046 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8047 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8049 * cccp.c: Include version.h and/or don't declare `version_string'.
8050 * collect2.c: Likewise.
8051 * alpha.c: Likewise.
8052 * arm/aof.h: Likewise.
8053 * arm/coff.h: Likewise.
8054 * arm/elf.h: Likewise.
8055 * arm/pe.h: Likewise.
8056 * arm/tcoff.h: Likewise.
8057 * arm/telf.h: Likewise.
8058 * arm/tpe.h: Likewise.
8059 * arm/vxarm.h: Likewise.
8060 * convex/convex.c: Likewise.
8061 * i386/dgux.c: Likewise.
8062 * i386/sun386.h: Likewise.
8063 * m88k/m88k.c: Likewise.
8064 * mcore/mcore-pe.h: Likewise.
8065 * mips/mips.h: Likewise.
8066 * romp/romp.h: Likewise.
8067 * sh/sh.c: Likewise.
8068 * cpphash.c: Likewise.
8069 * cppinit.c: Likewise.
8070 * dwarf2out.c: Likewise.
8071 * dwarfout.c: Likewise.
8074 * mips-tfile.c: Likewise.
8075 * protoize.c: Likewise.
8076 * toplev.c: Likewise.
8079 * version.c (version_string): Constify a char*.
8081 * version.h: New file.
8083 2000-02-14 Nick Clifton <nickc@cygnus.com>
8085 * configure.in: Add mcore-elf and mcore-pe targets.
8086 * configure: Regenerate.
8088 * NEWS: Add note that MCore port has been contributed.
8090 * invoke.texi: Document command line switches for MCore port.
8091 * install.texi: Add MCore to list of supported targets.
8093 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8095 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8096 then we will need to import the frame handling functions.
8097 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8098 to import the frames themselves.
8100 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8101 Jason Eckhardt <jle@cygnus.com>
8103 * basic_block.h: Added prototype for reorder_basic_blocks.
8104 * toplev.c: Changes to add -freorder-blocks and graph dump after
8105 block reordering is done.
8106 * flow.c (reorder_block_def): New structure for use during block
8108 (REORDER_BLOCK_*): New macros to access members of above structure.
8109 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8110 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8111 functions for block reordering.
8113 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8115 * gcc.texi (Passes): Fix typo.
8116 * md.texi (Standard Names): Ditto.
8117 * tm.texi (Storage Layout): Ditto.
8119 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8121 * cpplib.c (do_define): Only free the old definition if it
8124 2000-02-13 Neil Booth <NeilB@earthling.net>
8126 * cppfiles.c (read_and_prescan): When emitting deferred
8127 newlines, test speccase[] again instead of checking each
8128 possible whitespace character in turn. When we encounter \r,
8129 look behind for \n first, then ahead.
8131 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8133 * cse.c (cse_altered): New internal flag.
8134 (cse_insn): Set it if we changed an insn.
8135 (cse_main): Clear cse_altered before each basic block.
8136 Only garbage collect if cse_altered is true afterward.
8138 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8140 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8142 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8144 * combine.c (simplify_comparison): Fix typo.
8146 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8148 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8151 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8153 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8154 previously inserted node instead of root node. Caller changed.
8156 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8158 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8160 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8162 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8163 __dereg_frame_dtor): Add prototype argument.
8165 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8167 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8169 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8171 * gthr-vxworks.h (__gthread_once): Likewise.
8173 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8175 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8177 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8178 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8179 stack pointer in functions w/o saved registers, output LEAVE more often
8180 on TARGET_USE_LEAVE machines.
8182 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8184 * config/arm/arm.c (arm_init_cumulative_args); New function:
8185 Initlaise the CUMULATIE_ARGS strcuture for a function
8187 (arm_function_arg): New function: Determine where to place a
8188 function's argument. Also handles deciding the function's
8190 (current_file_function_operand): New function: Return true if
8191 the symbol is a function which has already been compiled.
8192 (arm_is_long_call_p): New function: Return true if the
8193 indicated function should be called via a long call.
8194 (arm_valid_type_attribute_p): New function: Return true if the
8195 attribute is a valid, arm specific, attribute.
8196 (arm_comp_type_attribute): New function: Return true if the
8197 two types have compatable, arm specific, attributes.
8199 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8201 (FUNCTION_ARG): Redefine to call arm_function_arg.
8202 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8204 (INIT_CUMULATIVE_ARGS): Redefine to call
8205 arm_init_cumulative_args.
8206 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8208 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8210 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8212 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8213 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8214 (COMP_TYPE_ATTRIBUTES): Define.
8216 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8217 if a long call is needed.
8218 (call_value): Call arm_is_long_call_p to decide if a long call
8220 (call_symbol): Call arm_is_long_call_p to decide if a long call
8223 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8225 2000-02-11 Denis Chertykov <denisc@overta.ru>
8227 * README.AVR: New file with information about the avr ports.
8228 * config/avr: New directory with avr port files.
8230 2000-02-11 Andreas Jaeger <aj@suse.de>
8232 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8234 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8236 * cpphash.c: Fix formatting, update commentary.
8237 (dump_definition): Take three separate arguments instead of a
8238 MACRODEF structure argument.
8239 * cpphash.h: Update prototype of dump_definition.
8240 * cppinit.c (cpp_finish): Update call of dump_definition.
8242 * cpplib.c (do_define): Always create new hash entry with
8243 T_MACRO type. Remove redundant check for redefinition of
8244 poisoned identifier. Update call of dump_definition.
8245 (do_undef): Don't call check_macro_name. Rename sym_length to
8247 (do_error, do_warning): Don't use copy_rest_of_line or
8249 (do_warning): Don't use pedwarn for the actual warning,
8250 only the notice about its not being in the standard. (Fixes
8251 bug with #warning in system headers.)
8252 (do_ident): Stricter argument checking - accept only a single
8253 string after #ident. Also, macro-expand the line.
8254 (do_xifdef): Use cpp_defined. De-obfuscate.
8256 (do_pragma): Split out specific pragma handling to separate
8257 functions. Use get_directive_token. Update commentary. Do
8258 not pass on #pragma once or #pragma poison to the front end.
8259 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8260 do_pragma_default): New.
8262 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8264 * jump.c (jump_optimize_1): The first operand in a relational
8266 * optabs.c (emit_conditional_move): Handle relationals which
8267 have a known true/false result.
8269 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8271 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8272 a RETURN insn into a block which already ends with a jump.
8274 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8276 * haifa-sched.c (BUF_LEN): Increase a lot.
8278 2000-02-11 Nick Clifton <nickc@cygnus.com>
8280 * configure.in: Add tm_p_file specification for thumb targets.
8281 * configure: Regenerate.
8283 * config/arm/thumb-protos.h: New file: Prototypes for exported
8284 functions defined in thumb.c.
8286 2000-02-11 Robert Lipe <robertl@sco.com>
8288 * Makefile.in (bootstrap-lean): Remove additional files.
8289 (bootstrap2-lean): Likewise.
8290 (VOL_FILES): List of files for above.
8292 2000-02-11 Nathan Sidwell <nathan@acm.org>
8294 * cpphash.c (special_symbol): Remove spurious argument to
8297 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8299 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8301 * configure: Rebuilt.
8303 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8305 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8307 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8309 * pa.c, pa.h: Remove trigraph sequences within comments.
8311 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8313 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8315 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8317 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8319 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8321 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8323 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8325 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8326 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8327 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8328 (ASM_FILE_END): Use c4x_file_end.
8329 * config/c4x/c4x.c (c4x_global_label): New function.
8330 (c4x_external_ref, c4x_file_end): Likewise.
8332 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8333 (c4x_external_ref, c4x_end_file): Likewise.
8335 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8337 * cppexp.c: Don't include cpphash.h.
8338 (parse_charconst, cpp_lex): Use cpp_defined.
8339 (cpp_lex): Use get_directive_token throughout. Remove
8340 unnecessary cases from switch. Move assertion-handling code
8342 (cpp_parse_expr): If we see '+' or '-', check the context to
8343 determine if they are unary or binary operators. Streamline
8344 the jumps a bit. Do not call skip_rest_of_line.
8346 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8347 static. Export get_directive_token. Update commentary.
8348 (cpp_defined): New function.
8349 (do_define): Remove reference to T_PCSTRING. Call
8350 free_definition to release memory for old definition, when
8352 (eval_if_expression): Set only_seen_white to 0 before calling
8353 cpp_parse_expr. Call skip_rest_of_line after it returns.
8354 (cpp_read_check_assertion): Don't preserve a pointer into the
8355 token buffer across a call to cpp_get_token.
8357 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8358 * cppfiles.c (redundant_include_p): Use cpp_defined.
8359 * cpphash.c (free_definition): New function.
8360 (delete_macro): Use it. Update commentary.
8361 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8363 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8364 from enum node_type. Prototype cpp_defined and get_directive_token.
8365 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8367 * fix-header.c (check_macro_names): Use cpp_defined.
8368 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8369 the options structure.
8371 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8373 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8375 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8377 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8378 rather than die->die_tag.
8380 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8382 * combine.c (make_extraction, force_to_mode): Avoid warning on
8383 mixed-signedness conditionals.
8384 (make_field_assignment, nonzero_bits): Likewise.
8385 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8386 (store_split_bit_field, extract_split_bit_field): Likewise.
8387 (extract_fixed_bit_field, store_bit_field,
8388 * expr.c: Change alignment to be unsigned everywhere.
8389 (move_by_pieces, store_constructor_field, store_constructor):
8390 Alignment parm is unsigned.
8391 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8392 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8393 (do_compare_rtx_and_jump): Likewise.
8394 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8395 Compare align with GET_MODE_ALIGNMENT.
8396 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8397 (get_inner_reference): Likewise.
8398 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8399 (expand_assignment): Local vars for alignment now unsigned.
8400 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8401 (do_compare_and_jump): Likewise.
8402 (store_field): Call new function expr_align.
8403 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8404 Alignment arg now unsigned.
8405 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8406 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8407 (extract_bit_field): Likewise.
8408 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8409 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8410 (get_best_mode): Alignment arg is unsigned.
8411 * rtl.h (move_by_pieces): Likewise.
8412 * store-layout.c (maximum_field_alignment, set_alignment):
8414 (layout_decl): Alignment arg is now unsigned.
8415 Remove unneeded casts.
8416 (layout_record, layout_union, layout_type): Remove unneeded casts.
8417 Local alignment variables now unsigned.
8418 (get_best_mode): Alignment arg now unsigned.
8419 * tree.c (expr_align): New function.
8420 * tree.h (expr_align): Likewise.
8421 (maximum_field_alignment, set_alignment): Now unsigned.
8422 (get_inner_reference): Alignment argument is now pointer to unsigned.
8423 * varasm.c (assemble_variable): Add cast to eliminate warning.
8425 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8427 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8428 then store directly into op0.
8430 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8431 the CALL_INSN, and emit the note immediately after it.
8433 2000-02-10 Nick Clifton <nickc@cygnus.com>
8435 * config/arm/thumb.md (epilogue): Include a (return) in the
8436 generated insn, and emit it using emit_jump_insn not
8439 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8441 * function.c (assign_temp): Change zero-sized arrays to size 1.
8442 * integrate.c (expand_inline_function): Do not update
8443 stack_alignment_needed
8444 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8445 add some sanity checking, remove optimization for function with
8448 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8450 * flow.c (mark_regs_live_at_end): Delete unused variables.
8452 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8454 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8455 in macro FRAME_GROWS_DOWNWARD.
8457 * stmt.c (expand_end_bindings): Delete unused variable.
8459 * unroll.c (iteration_info): Mark parameter `loop' with
8462 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8464 * fixinc/server.c (load_data): Return NULL if the marker line is
8466 (run_shell): If load_data returns NULL, retry the command once, in
8469 * configure: Rebuilt.
8471 2000-02-09 Bruce Korb <bkorb@gnu.org>
8473 * gcc/fixincludes: ** DELETED **
8474 * gcc/fixcpp: ** DELETED **
8475 * gcc/fixinc-nt.sed: ** DELETED **
8476 * gcc/just-fixinc: ** DELETED **
8477 * gcc/Makefile.in: Removed out-dated commentary
8478 * gcc/configure.in: Removed fast-fixincludes disablement.
8479 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8481 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8482 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8485 2000-02-09 Richard Henderson <rth@cygnus.com>
8487 * jump.c (delete_insn): Don't delete user labels at -O0.
8489 2000-02-09 Robert Lipe <robertl@sco.com>
8491 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8492 Don't link with HOST_LIBS.
8494 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8496 * configure.in: Correct --help text for --with-dwarf2.
8497 Put tm-dwarf2.h after other tm files, if it's requested.
8498 * configure: Regenerate.
8499 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8502 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8504 * cpplib.h: Provide HASHNODE typedef and forward decl of
8505 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8506 DEFINITION, struct hashnode, struct macrodef, struct
8507 definition, scan_decls prototype, default defn of
8508 INCLUDE_LEN_FUDGE moved elsewhere.
8510 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8511 definition, and struct hashnode moved here. Remove the unused
8512 'predefined' field from struct definition. Replace the 'args'
8513 union with its sole member. All users updated (cpphash.c).
8514 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8515 multiple include guard.
8517 * cpphash.c (hashf): Make static; use better algorithm; drop
8518 HASHSIZE parameter; return an unsigned int.
8519 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8520 used. Calculate HASHSIZE modulus here.
8521 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8523 (create_definition): Drop PREDEFINITION parameter.
8524 * cpplib.c (do_define): Don't calculate a hash value here.
8525 Don't pass (keyword == NULL) to create_definition.
8527 * scan.h: Prototype scan_decls here.
8528 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8529 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8530 callers of cpp_lookup and cpp_install updated.
8532 * cpphash.c (macarg): Hoist all the flag diddling out of the
8534 (macroexpand): ... and out of the loop that calls macarg.
8535 Skip over the initial paren before macro arguments with
8536 cpp_get_non_space_token; point may be some distance before
8537 that paren. Abort if it's not there.
8539 * cpplib.c (parse_clear_mark): Delete function.
8540 (parse_set_mark, parse_goto_mark): Make static.
8541 (ACTIVE_MARK_P): New macro.
8542 (skip_block_comment, skip_line_comment): Do not bump the line
8543 if ACTIVE_MARK_P is true.
8544 (cpp_pop_buffer): The buffer to be popped may not have an
8546 (cpp_get_token): When looking for the initial paren before
8547 macro arguments, only set a mark in a file buffer, Always
8548 return to that mark before proceeding to call macroexpand or
8549 return a NAME token.
8551 * cpplib.h: Remove prototypes of parse_set_mark,
8552 parse_clear_mark, parse_goto_mark.
8553 (struct cpp_options): Rename 'put_out_comments' to
8554 'discard_comments' and invert its sense.
8555 * cppinit.c, cpphash.c, cpplib.c: All users of
8556 put_out_comments changed to use discard_comments, with
8559 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8561 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8562 the edge from a block that both jumps and falls through to the
8565 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8567 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8568 constant source address is legitimate.
8570 2000-02-09 Philip Blundell <pb@futuretv.com>
8572 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8575 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8577 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8579 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8581 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8582 ends with a newline and a NUL. Don't be so clever manipulating
8585 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8587 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8588 not to BIGGEST_ALIGNMENT.
8590 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8592 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8593 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8594 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8595 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8596 * frame.c (execute_cfa_insn): Handle
8597 DW_CFA_GNU_negative_offset_extended.
8599 2000-02-08 Richard Henderson <rth@cygnus.com>
8601 * flow.c (tidy_fallthru_edges): Split out from ...
8602 (delete_unreachable_blocks): ... here.
8603 (find_basic_blocks): Use it.
8605 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8607 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8609 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8611 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8612 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8613 (fix-header.o): Don't depend on cpphash.h.
8615 * scan.c (hashstr): New function.
8616 * scan.h: Prototype it.
8617 * fix-header.c: Don't include cpphash.h. Use hashstr.
8618 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8619 hashstr. Report hash table statistics. Add private
8620 definition of xrealloc.
8622 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8624 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8626 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8628 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8629 jumps with returns unless they are jumps to the fallthru block.
8631 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8633 * i386.md (addqi3_cc): Fix contraints.
8635 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8637 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8639 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8641 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8642 carriage return after a macro name.
8644 2000-02-07 Fred Fish <fnf@be.com>
8646 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8647 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8649 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8651 * cppfiles.c (deps_output): Count spacers in deps_column.
8653 2000-02-07 Neil Booth <NeilB@earthling.net>
8655 * cppinit.c (initialize_dependency_output): If there is no
8656 suffix, don't try to look for known suffixes. Use strrchr.
8657 (cpp_start_read): Remove duplicate initialization.
8659 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8661 * calls.c (compute_argument_block_size): New argument
8662 preferred_stack_boundary.
8663 (expand_call): update cfun->preferred_stack_boundary, update call of
8664 compute_argument_block_size
8665 (emit_library_call): Increate cfun->preferred_stack_boundary
8666 to PREFERRED_STACK_BOUNDARY
8667 (emit_library_call_value): Likewise.
8668 * explow.c (allocate_dynamic_stack_spave): Likewise.
8669 * function.c (prepare_function_start): Set
8670 cfun->preferred_stack_boundary
8671 * function.h (struct function): Add preferred_stack_boundary field.
8672 * integrate.c (expand_inline_function): Update
8673 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8674 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8675 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8677 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8679 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8680 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8681 cpp_pedwarn, cpp_pedwarn_with_line,
8682 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8683 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8684 v_cpp_error_with_line, v_cpp_warning_with_line,
8685 cpp_message_from_errno, cpp_perror_with_name): Delete.
8687 * cpperror.c (cpp_print_containing_files): Take starting
8689 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8690 (v_cpp_message): Now called directly by all entry points.
8692 (cpp_pfatal_with_name, cpp_message): Delete.
8693 (cpp_notice_from_errno, cpp_ice): New functions.
8694 (cpp_notice): Is now for reporting error conditions, just
8695 without an associated file.
8696 (cpp_error, cpp_error_with_line): Don't do anything if
8697 opts->inhibit_errors is on.
8698 (cpp_pedwarn_with_file_and_line): Take column argument also.
8700 * cpplib.h: Update prototypes of exported functions.
8701 (struct cpp_options): Add inhibit_errors.
8703 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8704 non-error messages. Include intl.h.
8706 * cppinit.c, cppmain.c: Likewise. Also, use
8707 cpp_notice_from_errno instead of cpp_perror_with_name or
8708 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8710 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8711 report internal errors.
8713 * cpplib.c (do_define): Switch bcopy to memcpy.
8714 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8716 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8717 bail out early if we hit a line comment.
8719 2000-02-06 Richard Henderson <rth@cygnus.com>
8721 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8722 * basic-block.h: Declare them.
8723 * emit-rtl.h (active_insn_p): New.
8724 (next_active_insn, prev_active_insn): Use it.
8725 * rtl.h: Declare it.
8726 * function.c (emit_return_into_block): New.
8727 (thread_prologue_and_epilogue_insns): Insert return insns instead
8728 of epilogues when possible.
8729 * jump.c (jump_optimize_1): Remove code to insert a return insn
8730 on the fallthru to the exit block.
8732 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8733 and for non-empty stack frames.
8734 * i386.md (return): Expand to return-pop as needed.
8736 2000-02-06 Richard Henderson <rth@cygnus.com>
8738 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8739 constant to op1 for testing.
8741 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8743 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8744 (fixuns_truncqfqi2): Use it.
8746 2000-02-06 Richard Henderson <rth@cygnus.com>
8748 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8751 * i386.md (widening and peepholes): Mask the constant instead of
8754 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8756 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8757 input pointer before possibly branching off to the backslash
8759 * cpphash.c (macroexpand): Correctly delete \r escapes when
8760 stringifying parameters.
8761 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8762 if we can; bail out early if we hit a line comment.
8763 (handle_directive): Treat '# 123' in an .S file just like
8764 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8765 Return 1 for '# not_a_directive'.
8766 (get_directive_token): Pop macro buffers here, so that
8767 cpp_get_token can't sneakily move past a newline.
8769 (cpp_get_token): goto randomchar if handle_directive returns 0.
8771 * cppalloc.c: Update copyright.
8772 * cpplib.c: Merge all the static function prototypes into one
8774 * cpplib.h: Remove #if 0 block.
8776 * cpperror.c: Remove #ifdef EMACS block.
8777 * cppmain.c: Likewise.
8778 * cpphash.c: Remove #if 0 blocks.
8779 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8780 * cpplib.c: Remove #if 0 blocks and code referencing
8781 pcp_inside_if or for_lint. Remove duplicate error message.
8782 Fix error messages for #else after #else or #elif. Reformat.
8783 Remove archaic TODO list.
8784 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8786 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8788 * i386/osf1elf.h: Add missing backslash to multiline string.
8790 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8792 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8794 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8796 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8798 * c-common.c: Include expr.h.
8800 * c-pragma.c (mark_align_stack): Add prototype.
8802 * caller-save.c (add_stored_regs): Likewise.
8804 * combine.c (record_promoted_value): Likewise.
8806 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8809 * cppinit.c (new_pending_define): Likewise.
8811 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8813 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8814 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8815 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8816 class_scope_p): Likewise.
8818 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8819 dwarf2out_add_library_unit_info): Likewise.
8821 * ggc.h (ggc_page_print_statistics): Likewise.
8823 * haifa-sched.c (propagate_deps): Likewise.
8825 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8827 * rtl.h (set_stack_check_libfunc): Likewise.
8829 * toplev.h (set_fatal_function): Likewise.
8831 * toplev.c (set_fatal_function): Delete prototype.
8833 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8835 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8837 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8838 (FUNC_END): Likewise.
8840 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8842 * caller-save.c: Include tm_p.h.
8844 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8846 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8848 2000-02-04 Neil Booth <NeilB@earthling.net>
8850 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8853 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8855 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8856 * genflags.c: Use the max_operand_1 logic from genemit.c to
8857 calculate how many arguments gen_insn prototypes have. Remove
8858 NO_MD_PROTOTYPES ifdefs from the generated file.
8859 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8860 file. Cast gen_insn initializers to insn_gen_fn.
8861 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8862 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8864 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8866 * fixinc/Makefile.in (HDR): Add machname.h.
8869 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8871 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8872 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8873 (c4x_cpu_version): Ditto.
8874 * config/c4x/c4x-protos.h: ... here.
8876 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8878 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8879 gen_abstract_function on our context if we're a nested function.
8881 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8883 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8884 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8886 2000-02-04 Bruce Korb <bkorb@gnu.org>
8888 * fixinc/genfixes(machname.h):
8889 Move the functionality from gen-machine.h into this file.
8890 UNdef MN_NAME_PAT if there are no names to change.
8891 Also, be a little kinder when AutoGen is not present.
8893 * fixinc/Makefile.in(machname.h):
8894 Change the generation rule to use genfixes.
8896 * fixinc/fixfixes.c(machine_name):
8897 machine_name_fix's functionality now dependent upon whether
8898 MN_NAME_PAT is defined.
8900 * fixinc/fixtests.c(machine_name):
8903 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8906 * fixinc/fixlib.h(mn_get_regexps):
8909 * fixinc/gen-machine.h: DELETED
8911 2000-02-04 Jan Hubicka <jh@suse.cz>
8912 Richard Henderson <rth@cygnus.com>
8914 * i386.c (SAVE_REGS_FIRST): Remove.
8915 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8916 (ix86_compute_frame_size): Likewise.
8917 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8918 (ix86_emit_restore_regs): Remove.
8919 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8920 when a frame pointer is in use.
8921 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8922 instead of pop to restore a register when profitable; emit leave
8924 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8926 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8927 * i386.md (prologue_allocate_stack): Remove.
8928 (epilogue_deallocate_stack): Remove.
8929 (pro_epilogue_adjust_stack): New.
8931 2000-02-04 Richard Henderson <rth@cygnus.com>
8933 * function.c (diddle_return_value): Rework to use a callback function.
8934 Use current_function_return_rtx if it's been set up.
8935 (do_clobber_return_reg, clobber_return_register): New.
8936 (do_use_return_reg, use_return_register): New.
8937 (expand_function_end): Use them.
8938 * stmt.c (expand_null_return): Likewise.
8939 * function.h: Declare them.
8940 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8941 (mark_reg): Change arguments as appropriate for callback.
8942 * integrate.c (expand_inline_function): Revert 19 Jan change.
8944 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8946 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8947 (Misc): Say the scheduler, not the Haifa scheduler.
8949 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8951 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8952 when in_mem is set. Update all callers.
8954 2000-02-04 Richard Henderson <rth@cygnus.com>
8956 * i386/openbsd.h (INT_ASM_OP): Define.
8958 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8960 * tm.texi: Fix various typos.
8962 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8964 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8965 (MD_STARTFILE_PREFIX_1): New macro.
8967 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8969 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8970 destination when needed.
8971 (strmovsi, strsetsi): New expander.
8972 (strmovsi_1, strsetsi_1): New pattern.
8973 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8974 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8975 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8976 * invoke.texi (align-stringops, inline-all-stringops): Document.
8978 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8980 * i386/netbsd.h (INT_ASM_OP): Define.
8982 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8984 * cpplib.h (cpp_reader): Add new flag, no_directives.
8985 * cpphash.c (macarg): Set it.
8986 * cpplib.c (handle_directive): If no_directives is on and we
8987 find a directive, issue an error and discard the line.
8989 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8991 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8992 FP constants. Add ! TARGET_FPU check for FP constants.
8994 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8996 * flow.c (find_basic_blocks): Don't kill label_value_list
8998 (cleanup_cfg): Kill it here.
9000 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9002 * expr.c (store_field): Ensure ALIGN is no stricter than the
9005 2000-02-02 Richard Henderson <rth@cygnus.com>
9007 * jump.c (delete_insn): Partially revert 19 Jan change;
9008 don't convert unused code labels to notes at -O0.
9010 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9012 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9013 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9015 2000-02-01 Richard Henderson <rth@cygnus.com>
9017 * i386.c (general_no_elim_operand): New.
9018 (nonmemory_no_elim_operand): New.
9019 (ix86_expand_move): Copy eliminable operands before a push.
9020 * i386-protos.h: Declare new functions.
9021 * i386.h (CAN_ELIMINATE): Simplify.
9022 (PREDICATE_CODES): Update.
9023 * i386.md (push insns): Don't allow eliminable register operands.
9025 2000-02-01 Richard Henderson <rth@cygnus.com>
9027 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9028 replace BLKmode with DECL_RTL's mode.
9030 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9032 * frame.c (find_fde): Convert for loop to do-while so compiler
9033 sees it's always executed at least once.
9034 * libgcc2.c (BBINBUFSIZE): Kill.
9035 (__bb_init_prg): Use fgets.
9036 (__bb_exit_trace_func): Don't paste strings.
9037 * unroll.c (unroll_loop): Initialize unroll_type, not
9038 unroll_number, and tweak logic to match.
9040 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9042 (ix86_flags_dependant): Likewise. Disentangle control flow.
9043 (ix86_sched_reorder): Break guts out to
9044 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9045 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9048 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9049 use string concatenation. Don't save and restore esi.
9051 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9052 (machname.h): Remove script to separate file. Use two-step
9053 sequence so target is not created if script fails.
9054 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9055 identifiers are defined.
9056 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9057 an empty string, machine_name doesn't need to do anything at
9059 (is_cxx_header): Add more cases to regexp.
9060 * fixinc/fixlib.h: Update prototype.
9061 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9063 * fixinc/fixincl.c: Define NO_BOGOSITY.
9065 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9066 (hp_sysfile): Add missing comma.
9067 (math_exception): Put the wrapper ifdefs at the beginning and
9068 the end of the file.
9069 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9071 2000-02-01 Richard Henderson <rth@cygnus.com>
9073 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9074 Use CONST0_RTX. Update all callers.
9075 * sparc.h, sparc-protos.h: Update accordingly.
9076 * sparc.md (fp mov insns): Use fp_zero_operand directly
9079 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9081 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9084 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9086 * Makefile.in (specs.ready): New target.
9087 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9089 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9091 * fixinc.irix: Use unique filenames for writing into /tmp,
9092 * fixinc.ptx: Likewise.
9093 * fixinc.sco: Likewise.
9094 * fixinc.svr4: Likewise.
9095 * fixinc.winnt: Likewise.
9097 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9099 * tsystem.h: New file.
9101 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9102 s-crtS): Depend on tsystem.h.
9104 * crtstuff.c: Include tsystem.h.
9105 * frame.c: Likewise.
9106 * libgcc2.c: Likewise.
9108 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9110 * builtins.c (expand_builtin_memset): Expand for variable sized
9113 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9115 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9118 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9120 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9122 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9124 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9126 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9127 case 3->2 combining (combining with splitting) in which 2 is CC0
9128 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9129 checked at the begining of the function with the aid of calling
9130 function 'can_combine_p'.
9132 2000-01-31 Dave Brolley <brolley@redhat.com>
9134 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9136 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9138 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9141 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9143 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9145 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9148 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9150 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9151 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9152 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9153 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9154 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9155 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9156 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9157 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9158 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9159 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9161 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9162 Add %(cpp_cpu) to CPP_SPEC.
9164 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9165 Add %(cc1_cpu) to CC1_SPEC.
9167 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9169 * c-decl.c (c_decode_option): Accept optional numeric argument to
9170 -Wformat and set warn_format.
9171 * c-common.c: Don't emit warning about non-constant printf format
9172 string unless warn_format > 1.
9174 2000-01-30 Richard Henderson <rth@cygnus.com>
9176 * alpha.md (return_internal): Allow after reload only.
9178 2000-01-30 Richard Henderson <rth@cygnus.com>
9180 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9181 local frame size is zero.
9183 2000-01-30 Richard Henderson <rth@cygnus.com>
9185 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9186 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9187 * alpha.md (return): Turn into an expander.
9188 (return_internal): Don't use $26.
9189 (epilogue): Emit the return insn.
9191 2000-01-30 Richard Henderson <rth@cygnus.com>
9193 * alpha.md (negtf2, abstf2): Fix word order thinko.
9195 (trunctfsf2): Avoid intermediate rounding errors.
9197 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9199 * cppfiles.c (find_position): Drop 'colp' argument, return the
9201 (read_and_prescan): Adjust to match. Don't ever manipulate
9202 line or line_base except via find_position.
9204 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9206 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9207 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9210 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9212 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9213 just print "<command line>". If 'filename' is null or an
9214 empty string, print "<stdin>" for the filename.
9215 * cpplib.c (do_define): Don't print the 'location of the
9216 previous definition' message if we're still parsing the
9218 (cpp_pedwarn_with_file_and_line): Always call
9219 cpp_file_line_for_message.
9221 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9223 * flow.c (mark_regs_live_at_end): Fix typo.
9225 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9227 * c-common.c: Adjust variable names, comments, help strings to c99.
9228 * c-lex.c: Likewise.
9229 * c-parse.y: Likewise.
9230 * c-tree.h: Likewise.
9232 * cpplib.h: Likewise.
9233 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9234 * cppinit.c: Likewise.
9236 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9238 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9239 * c4x.c: Define the optab rtx values.
9240 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9241 (c4x_emit_libcall): Use new optab rtx values.
9242 (c4x_emit_libcall3): Likewise.
9243 (c4x_emit_libcall_mulhi): Likewise.
9244 * c4x-protos.h: Add prototypes for optab rtx values and change
9245 prototypes for above c4x_emit_libcall functions.
9247 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9249 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9251 (c4x_function_prologue): Use regnames intead of float_reg_names when
9253 (c4x_function_epilogue): Likewise.
9254 (c4x_print_operand): Likewise.
9255 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9256 * c4x.md (set_high): Disable for TARGET_TI.
9258 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9260 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9261 of framepointer + constant to ADDR_REGS class.
9262 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9263 * c4x.c (std_or_reg_operand): New function.
9264 * c4x-protos.h (std_or_reg_operand): Prototype it.
9266 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9268 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9269 object names as libgcc2.c.
9270 * libgcc.S: Use newly defined names.
9272 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9273 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9275 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9276 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9277 (FLOW_LOOP_LAST_BLOCK): Likewise.
9279 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9281 * basic-block.h (struct loop): New fields 'first' and 'last'.
9282 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9283 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9284 and loop->last to check for NOTE_INSN_LOOP_END.
9286 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9288 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9289 of the loop descriptor rather than HEADER and LATCH. Also added
9290 missing break statements as well making some coding style modifications
9291 as suggested by Michael Hayes.
9293 2000-01-28 Richard Henderson <rth@cygnus.com>
9295 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9296 Break out that code ...
9297 (cleanup_cfg): ... here.
9298 (commit_one_edge_insertion): Detect a return instruction being
9299 emitted to an edge. Emit a barrier following; clear fallthru.
9300 (commit_edge_insertions): Verify CFG consistency.
9301 * function.c (expand_function_start): Kill unused variable.
9302 (expand_function_end): Likewise.
9303 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9304 to insert the epilogue.
9306 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9307 (delete_null_pointer_checks): Likewise.
9308 * output.h: Likewise.
9309 * reg-stack.c (reg_to_stack): Likewise.
9310 * toplev.c (rest_of_compilation): Likewise. Run
9311 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9313 2000-01-28 Richard Henderson <rth@cygnus.com>
9315 * Makefile.in (flow.o): Revert 24 Jan change.
9316 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9317 FUNCTION_VALUE result to DECL_RESULT's mode.
9319 * haifa-sched.c (schedule_insns): Don't recompute reg info
9322 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9324 * configure.in: Make --enable-cpplib the default.
9325 * configure: Regenerate.
9326 * gcc.dg/990119-1.c: No longer expected to fail.
9328 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9330 * jump.c (jump_optimize_1): Delete an optimization that is also done
9331 by merge_blocks in flow.
9333 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9335 * diagnostic.c (build_message_string, output_printf,
9336 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9337 (build_location_prefix): Fix non-literal format string.
9339 2000-01-27 Richard Henderson <rth@cygnus.com>
9341 * alpha.md (trunctfsf2): New.
9343 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9345 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9347 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9349 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9351 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9353 (skip_comment) ... here. Permit C++ comments in system
9354 headers always. Warn about C++ comments in user code under
9355 -std=gnu89 -pedantic.
9356 (copy_comment): Use skip_comment.
9357 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9359 (consider_directive_while_skipping, do_else, do_endif): Call
9360 validate_else unconditionally.
9361 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9362 text after the conditional in a system header.
9363 * cpplib.h (struct cpp_buffer): Add flag
9364 warned_cplusplus_comments.
9366 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9368 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9369 Use unshare_all_rtl_1.
9370 (unshare_all_rtl_again): New function.
9371 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9373 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9374 rather than resetting the 'used' flags ourself.
9376 * toplev.c (rest_of_compilation): Add current_function_decl
9377 to the unshare_all_rtl call.
9378 * tree.h: Prototype unshare_all_rtl.
9379 * rtl.h: Prototype unshare_all_rtl_again here.
9381 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9383 * genoutput.c (output_prologue): Include ggc.h in generated
9385 * Makefile.in (insn-output.o): Depends on ggc.h.
9387 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9388 Hans-Peter Nilsson <hp@bitrange.com>
9390 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9391 Remove redundant include of xm-ns32k.h.
9392 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9393 Remove redundant include of xm-ns32k.h.
9394 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9395 Remove redundant include of xm-ns32k.h.
9396 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9398 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9399 (TARGET_SWITCHES): Add documentation strings.
9400 (DWARF_FRAME_REGNUM): Override default definition.
9401 (REG_CLASS_CONTENTS): Add comments.
9402 (SUBSET_P): Format to reduce line length.
9403 (SMALL_REGISTER_CLASSES): Make a run time option.
9404 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9405 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9406 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9407 (regclass_map): fix typo in comment.
9408 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9409 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9410 (trace, reg_or_mem_operand): Delete, unused function.
9411 (calc_address_cost): Small offsets are cheaper than large ones.
9412 (expand_block_move): Generate more efficient code when bytes is a
9413 known at compile time.
9414 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9415 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9416 instead of reg_or_mem_operand.
9418 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9419 not general_operand. Similarly use "=rm" or stricter, not "=g".
9420 For input operands, use stricter constraints than "g" if not
9421 general_operand. Similarly use stricter predicate than
9422 "general_operand" when stricter constraints than "g" are present,
9423 except for matching constraints.
9424 (movstrsi): Use "memory_operand" for operands 0 and 1.
9425 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9426 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9427 not reg_or_mem_operand.
9428 (udivmoddisi4): Ditto.
9429 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9430 Use nonimmediate_operand for operand 3, not register_operand.
9431 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9434 2000-01-27 Fred Fish <fnf@be.com>
9436 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9437 * gthr-single.h: Likewise.
9438 * gthr-solaris.h: Likewise.
9439 * gthr-vxworks.h: Likewise.
9440 * gthr-win32.h: Likewise.
9443 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9445 * cppinit.c: Add " (cpplib)" to end of string printed by
9448 2000-01-27 Richard Henderson <rth@cygnus.com>
9450 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9451 testing for a signed comparison.
9452 (alpha_emit_floatuns): New.
9453 * alpha-protos.h: Declare it.
9454 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9455 (extendsfdf2): Tidy.
9457 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9459 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9460 no -g option specifying debugging format, default to -gstabs+.
9462 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9464 * calls.c (special_function_p): New argument fork_or_exec.
9465 (expand_call): When profile_arc_flag is set and the function
9466 is in the fork_or_exec group, call __bb_fork_func first.
9467 * libgcc2.c, _bb module (__bb_fork_func): New function.
9468 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9470 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9471 * tree.h (special_function_p): Update prototype.
9473 2000-01-26 Richard Henderson <rth@cygnus.com>
9475 * alpha.c (alpha_split_tfmode_pair): New.
9476 * alpha-protos.h: Declare it.
9477 * alpha.md (abstf2, negtf2): New.
9478 (movtf insn): Add input G constraint.
9479 (movtf splitter): Use alpha_split_tfmode_pair.
9481 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9483 * i386/cygwin.h: PROTO -> PARAMS.
9485 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9487 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9488 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9489 using _Qp_cmp/_Q_cmp and testing the return value.
9490 (print_operand): Call reverse_condition_maybe_unordered if
9491 we are handling CCFPmode or CCFPEmode.
9492 Handle ORDERED, UN* and LTGT comparisons.
9493 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9494 if not TARGET_HARD_QUAD.
9495 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9496 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9497 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9498 Adjust gen_b* calls so that they reflect return comparison of
9499 sparc_emit_float_lib_cmp.
9501 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9503 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9504 incoming operands array is large enough for one more operand.
9505 (alpha_emit_xfloating_arith): Likewise.
9507 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9509 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9510 file with one line and no trailing newline.
9511 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9512 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9513 checking if the match is on the line.
9514 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9516 2000-01-25 Richard Henderson <rth@cygnus.com>
9518 * sparc.c (output_cbranch): Fix accidental squashing of the
9519 fp branch pre-delay nop.
9521 2000-01-25 Richard Henderson <rth@cygnus.com>
9523 * tree.def (UNNE_EXPR): Remove.
9524 * c-typeck.c (build_binary_op): Don't handle it.
9525 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9527 * rtl.def (UNNE): Remove.
9529 * jump.c (reverse_condition): Update accordingly.
9530 (swap_condition): Likewise.
9531 (comparison_dominates_p): Handle unordered comparisons.
9532 (reverse_condition_maybe_unordered): New.
9533 * rtl.h (reverse_condition_maybe_unordered): Declare.
9535 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9536 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9537 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9538 * sparc.md (bltgt): New.
9540 2000-01-25 Nick Clifton <nickc@redhat.com>
9542 * emit-rtl.c (emit_insn): Only check machine class insns for
9543 improper emission of a RETURN.
9545 2000-01-25 Richard Henderson <rth@cygnus.com>
9547 * Makefile.in (flow.o): Depend on $(EXPR_H).
9548 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9549 duplicate the structure of diddle_return_value for keeping regs live.
9551 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9553 * loop.c (current_loop_info): Delete.
9554 (consec_sets_invariant_p): Add loop argument, update callers.
9555 (get_condition_for_loop): Likewise.
9556 (count_nonfixed_reads, update_giv_derive): Likewise.
9557 (simplify_giv_expr, general_induction_var): Likewise.
9558 (consec_sets_giv, recombine_givs): Likewise.
9559 (move_movables): Delete loop_start and loop_end arguments,
9560 add loop argument, and update callers.
9561 (find_mem_givs, check_final_value): Likewise.
9562 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9563 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9565 (basic_induction_var): Add loop argument, delete loop_level argument,
9567 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9568 add loop argument, and update callers.
9569 (find_splittable_regs, find_splittable_givs): Likewise.
9570 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9571 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9572 (biv_total_increment): Delete loop_start and loop_end arguments;
9574 (precondition_loop_p): Delete loop_start and loop_info arguments;
9576 * loop.h (get_condition_for_loop): Add loop argument.
9577 (biv_total_increment): Delete loop_start and loop_end arguments.
9578 (precondition_loop_p): Delete loop_start and loop_info arguments;
9580 (final_biv_value): Delete loop_start and loop_end arguments;
9582 (final_giv_value, back_branch_in_range_p): Likewise.
9584 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9586 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9588 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9590 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9591 point to the new "generated_files" doc.
9593 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9595 * config/fp-bit.c (_unord_f2): Fix typo.
9597 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9599 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9600 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9601 functions obsoleted by GC, such as push_obstacks_nochange,
9602 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9603 and code which existed only to decide whether or not to call
9604 them. Remove now-unused NESTED argument from start_function;
9605 all callers changed. Do not change behavior based on ggc_p.
9606 The use of the ixp_obstack in c-iterate.c and the util_obstack
9607 in objc/objc-act.c remain; these are not obsoleted by garbage
9609 * c-tree.h: Update prototype for start_function.
9611 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9613 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9615 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9618 2000-01-25 Richard Henderson <rth@cygnus.com>
9620 * sparc-protos.h (select_cc_mode): Declare.
9621 * sparc.c (select_cc_mode): New. Handle unordered compares.
9622 (output_cbranch): Always reverse via code change. Handle
9623 unordered compares. Factor tests and string updates.
9624 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9625 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9626 * sparc.md (bunordered, bordered): New.
9627 (bungt, bunlt, buneq, bunge, bunle): New.
9629 2000-01-25 Richard Henderson <rth@cygnus.com>
9631 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9632 * ggc-common.c (ggc_add_rtx_varray_root): New.
9633 (ggc_mark_rtx_varray): New.
9634 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9635 functions down below ggc_mark_foo.
9636 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9638 2000-01-25 Richard Henderson <rth@cygnus.com>
9640 * alpha.c (secondary_reload_class): Don't allocate a secondary
9641 for integral mode memories into FLOAT_REGS. Rearrange the more
9642 complicated memory expression inward.
9644 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9646 * inclhack.def: Fixes to play nicer with FreeBSD, and
9647 corrections to comments.
9648 (cxx_unready): Add select expression.
9649 (irix_sockaddr): Add bypass expression.
9650 (machine_ansi_h_va_list): New fix.
9651 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9652 Split out addition of "#include <stdarg.h>" to...
9653 (stdio_stdarg_h): ... here.
9654 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9655 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9656 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9658 (ultrix_ifdef): Tighten up select expression.
9660 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9661 re_ct and max_mach to avoid use of shell. Make printed names
9662 match names in inclhack.def. Use static copyright date.
9663 Don't count c_test and test expressions as requiring regex_t
9664 slots. Add some commentary.
9665 * inclhack.tpl: Do not include the 'This script contains N
9666 fixup scripts' line if PROGRAM is defined. Use static
9669 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9671 * dwarf2out.c: include "varray.h", not dyn-string.h.
9672 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9673 (addr_const_to_string, addr_to_string): Lose.
9674 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9675 (struct dw_val_struct): val_addr is now an rtx.
9676 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9677 (used_rtx_varray): New varray.
9678 (dwarf2out_init): Initialize it.
9680 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9682 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9683 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9684 * Makefile.in (dwarf2out.o): Update dependencies.
9686 2000-01-24 Richard Henderson <rth@cygnus.com>
9688 * i386.c (i386_dwarf_output_addr_const): New.
9689 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9691 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9693 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9694 * i386.c (i386_simplify_dwarf_addr): New.
9695 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9697 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9699 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9700 TYPE_STUB_DECL is NULL.
9702 2000-01-24 Richard Henderson <rth@cygnus.com>
9704 * builtins.c (expand_tree_builtin): Move ...
9705 * c-common.c (expand_tree_builtin): ... here.
9707 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9709 * loop.h (LOOP_INFO): New accessor macro.
9710 * basic-block.h (struct loop): Rename field `info' to `aux'.
9711 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9712 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9713 * unroll.c (loop_iterations, unroll_loop): Likewise.
9715 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9717 * config/i386/t-cygwin: Accomodate new winsup directory layout
9718 when searching for include files.
9720 2000-01-24 Richard Henderson <rth@cygnus.com>
9722 * rtl.def: Add unordered fp comparisions.
9723 * tree.def: Likewise.
9724 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9726 * builtins.c (expand_tree_builtin): New function.
9727 * c-typeck.c (build_function_call): Use it.
9728 (build_binary_op): Support unordered compares.
9729 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9731 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9732 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9733 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9734 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9735 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9737 (swap_condition): Handle unordered compares.
9738 (thread_jumps): Check can_reverse before reversing.
9739 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9742 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9743 setcc is present before acking for cmp_optab. Update all callers.
9744 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9745 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9746 * expr.c (expand_expr): Likewise. Support unordered compares.
9747 (do_jump, do_store_flag): Likewise.
9748 * expr.h (enum libfunc_index): Add unordered compares.
9750 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9751 (DPBIT_FUNCS): Add _unord_df.
9752 * config/fp-bit.c (_unord_f2): New.
9753 * fp-test.c (main): Try unordered compare builtins.
9755 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9756 * alpha.c (alpha_comparison_operator): Check mode properly.
9757 (alpha_swapped_comparison_operator): Likewise.
9758 (signed_comparison_operator): Likewise.
9759 (alpha_fp_comparison_operator): New.
9760 (alpha_emit_conditional_branch): Handle unordered compares.
9761 * alpha.h (PREDICATE_CODES): Update.
9762 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9763 (bunordered, bordered): New.
9765 2000-01-24 Richard Henderson <rth@cygnus.com>
9767 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9768 * alpha.md (movtf): New expander, insn, and splitter.
9770 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9772 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9775 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9777 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9778 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9779 REG_ALLOC_ORDER): Add frame pointer
9780 (FRAME_POINTER_REGNUM): Set to 20
9781 (HARD_FRAME_POINTER_REGNUM): New macro.
9782 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9783 to HARD_FRAME_POINTER.
9784 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9785 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9786 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9787 (HI_REGISTER_NAMES): Add "frame".
9788 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9789 (debug_reg): Handle FRAME_POINTER_REGNUM.
9790 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9791 GENERAL_REGS and INDEX_REGS.
9792 * i386.c (SAVED_REGS_FIRST): new macro.
9793 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9794 (ix86_decompose_address, memory_address_length): Likewise.
9795 (regclass_map): Add frame pointer.
9796 (call_insn_operand): Handle frame_pointer_rtx.
9797 (reg_no_sp_operand): Likewise.
9798 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9799 (print_operand, legitimize_pic_address): Fix formating.
9800 (ix86_compute_frame_size): Make static, update prototype, new
9801 parameters padding1, padding2, use ix86_nsaved_regs, use
9802 stack_alignment_needed.
9803 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9804 to HARD_FRAME_POINTER_REGNUM conversions.
9805 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9806 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9807 (print_reg): Abort on FRAME_POINTER_REGNUM
9809 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9811 * i386.h (PREDICATE_CODES): Add aligned_operand.
9812 * i386.c (aligned_operand): New function.
9813 (ix86_aligned_p): Kill.
9814 * i386.md (movhi_1): Emit mov for aligned operands.
9815 (promoting peep2s): Use aligned_operand.
9817 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9819 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9820 expression to allow underscores in macro names.
9821 (fix_char_macro_defines): Increment scanning pointer.
9823 2000-01-23 Richard Henderson <rth@cygnus.com>
9825 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9826 * alpha/osf5.h: New file.
9827 * configure.in (alpha-*-osf5): Add it to tm_file.
9829 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9831 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9832 (alpha_emit_xfloating_cvt, function_arg): Declare.
9833 * alpha.c (alpha_emit_conditional_branch): Call
9834 alpha_emit_xfloating_compare for TFmode compares.
9835 (alpha_lookup_xfloating_lib_func): New.
9836 (alpha_compute_xfloating_mode_arg): New.
9837 (alpha_emit_xfloating_libcall): New.
9838 (alpha_emit_xfloating_arith): New.
9839 (alpha_emit_xfloating_compare): New.
9840 (alpha_emit_xfloating_cvt): New.
9841 (print_operand): Add default abort case.
9842 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9843 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9844 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9845 (RETURN_IN_MEMORY): True for TF/TCmode.
9846 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9847 (FUNCTION_ARG): Move to function_arg.
9848 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9849 (ASM_OUTPUT_LONG_DOUBLE): New.
9850 (ASM_OUTPUT_DOUBLE): Always output bits.
9851 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9852 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9853 (extenddftf2, trunctfdf2): New.
9855 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9857 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9858 * config/sparc/sol2.h: ... here.
9860 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9862 * basic-block.h (struct loops): New field `levels'.
9863 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9864 (flow_loop_level_compute): Initialise level to 1.
9865 (flow_loops_find): Set loops->levels.
9866 (flow_loops_dump): Print loops->levels.
9868 2000-01-23 Richard Henderson <rth@cygnus.com>
9870 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9871 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9873 2000-01-23 Richard Henderson <rth@cygnus.com>
9875 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9876 * i386.h (DBX_REGISTER_NUMBER): Use them.
9877 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9878 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9879 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9880 * i386/sequent.h: Kill incorrect comment.
9882 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9884 * ggc-page.c (struct page_entry): Make `context_depth' an
9886 (struct globals): Likewise.
9888 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9890 * loop.c (check_dbra_loop): When checking a loop for
9891 reversability, check the source of any stores to ensure
9892 they don't depend on an initial value.
9894 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9896 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9898 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9900 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9901 'pz_scan' into scope of entire function. Only affects
9902 compiles with -DDEBUG.
9904 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9906 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9907 section naming to that prior to 2000-01-07 patch.
9908 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9909 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9910 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9911 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9912 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9914 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9916 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9919 2000-01-21 Jim Wilson <wilson@cygnus.com>
9921 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9922 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9924 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9926 * cpphash.c (change_newlines): Delete function.
9927 (struct argdata): Delete 'newlines' and 'use_count' fields.
9928 (macroexpand): Remove code referencing those fields.
9930 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9932 * loop.c (loops_info): New variable.
9933 (loop_optimize): Allocate loops->array and free it on exit.
9934 Allocate memory for loops_info and assign to each loop,
9936 (find_and_verify_loops): Do not allocate loops->array.
9938 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9940 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9942 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9944 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9945 pseudos if expanded after first flow.
9946 (movdi_pic_label_ref): Likewise.
9948 2000-01-20 Richard Henderson <rth@cygnus.com>
9950 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9952 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9954 * Makefile.in (fixinc.sh): Depend on specs.
9955 * fixinc/Makefile.in: Add rule to create machname.h.
9956 (fixlib.o): Depend on machname.h.
9957 * fixinc/fixtests.c (machine_name): New test.
9958 * fixinc/fixfixes.c (machine_name): New fix.
9959 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9960 the machine_name test and fix.
9961 * fixinc/fixlib.h: Prototype it.
9962 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9963 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9965 * gcc.c (do_spec_1) [case P]: Take care not to create
9966 identifiers with three leading or trailing underscores.
9968 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9969 (fixincl): Don't specify libraries twice on link line.
9970 (gnu-regex.o): Remove special rule.
9971 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9972 defined by config.h. Do not define _REGEX_RE_COMP.
9973 (regcomp): Allocate and initialize a fastmap.
9974 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9976 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9978 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9980 2000-01-19 Richard Henderson <rth@cygnus.com>
9982 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9983 arguments with BB. Update all callers. Tidy line wrapping.
9985 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9987 * emit-rtl.c (try_split): Return last_insn if we split the
9990 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9992 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9993 (ix86_initial_elimination_offset): Declare.
9994 * i386.c (ix86_nsaved_regs): Break out from ...
9995 (ix86_can_use_return_insn_p): ... here.
9996 (ix86_emit_save_regs): Break out from ...
9997 (ix86_expand_prologue): ... here.
9998 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10000 (ix86_expand_epilogue): ... here.
10001 (ix86_compute_frame_size): Make static, add prototype.
10002 (ix86_initial_elimination_offset): Break out from ...
10003 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10005 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10007 * recog.h (OUT_FCN): Delete.
10009 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10011 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10013 * cppalloc.c: PROTO -> PARAMS.
10014 * cpperror.c: Likewise.
10015 * cppfiles.c: Likewise.
10016 * cpplib.c: Likewise.
10017 * cpplib.h: Likewise.
10019 * config/arm/arm-protos.h: PROTO -> PARAMS.
10020 * config/arm/arm.c: Likewise.
10021 * config/c4x/c4x.c: Likewise.
10022 * config/fr30/fr30-protos.h: Likewise.
10023 * config/nextstep.c: Likewise.
10024 * config/pa/pa.c: Likewise.
10025 * config/pj/pj.c: Likewise.
10026 * config/rs6000/rs6000.c: Likewise.
10027 * config/v850/v850-protos.h: Likewise.
10028 * config/v850/v850.c: Likewise.
10030 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10032 * i370-protos.h: New file.
10034 * i370.c: Include tm_p.h. Fix compile time warnings.
10036 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10039 * i370.md: Likewise.
10041 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10043 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10044 (target_isinf, target_isnan, eisnan): Mark parameter with
10046 (eiisinf): Wrap in INFINITY.
10047 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10048 (ibmtoe): Remove unused variable `rndsav'.
10050 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10052 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10053 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10055 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10057 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10058 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10059 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10061 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10062 Recognize Emacs mode markers also.
10063 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10064 C++ comments in C++ headers. Call is_cxx_header only if
10067 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10068 bypass for ncurses.
10069 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10070 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10071 ... these, which use the new C fixes.
10072 (math_exception): Escape literal '+' in bypass expression.
10074 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10077 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10079 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10082 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10084 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10085 prior to calling scan_loop.
10087 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10089 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10090 (split_branches, calc_live_regs): Likewise.
10092 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10094 * sh.md (fpu_single, fp_mode): New attributes.
10096 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10098 * loop.c (current_loop_info): Renamed from loop_info_data
10099 and changed to a pointer.
10100 (loop_optimize): Allocate loop_info structure for each loop
10101 and initialise to zero.
10102 (scan_loop): Set current_loop_info.
10104 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10107 2000-01-19 Richard Henderson <rth@cygnus.com>
10109 * stupid.c: Die die die.
10110 * Makefile.in (OBJS): Remove stupid.o.
10111 (stupid.o): Likewise.
10113 * except.c (emit_eh_context): Don't emit USEs for stupid.
10114 * explow.c (probe_stack_range): Likewise.
10115 * flags.h (obey_regdecls): Remove.
10116 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10117 when not optimizing.
10118 (life_analysis): Limit data collection when not optimizing.
10119 (mark_regs_live_at_end): Always mark the return value registers.
10120 (mark_used_regs): Remove dummy RETURN case.
10121 (print_rtl_with_bb): Don't consult obey_regdecls.
10122 * function.c (use_variable, use_variable_after): Remove.
10123 (assign_parms): Consult optimize not obey_regdecls.
10124 (expand_function_start): Don't emit USEs for stupid.
10125 (expand_function_end): Likewise.
10126 * global.c (build_insn_chain): Export.
10127 * integrate.c (expand_inline_function): Kill return-value USE
10129 * jump.c (jump_optimize_1): Do simple jump optimizations and
10130 dead code elimination.
10131 (calculate_can_reach_end): Remove check_deleted argument.
10132 (delete_insn): Patch out insns even when not optimizing.
10133 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10134 * rtl.h (use_variable, use_variable_after): Remove declarations.
10135 (build_insn_chain): Declare.
10136 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10137 (expand_end_bindings): Likewise.
10138 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10139 * toplev.c (obey_regdecls): Remove.
10140 (rest_of_compilation): Don't set it. Kill stupid in favour of
10141 flow1, local-alloc, and reload.
10142 (main): Don't set obey_regdecls.
10144 * config/nextstep.c (handle_pragma): Likewise.
10146 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10148 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10150 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10152 * alpha-protos.h: PROTO -> PARAMS.
10153 * alpha.c: Likewise.
10155 * h8300.c: Likewise.
10156 * i386-protos.h: Likewise.
10157 * i386.c: Likewise.
10158 * m32r-protos.h: Likewise.
10159 * m32r.c: Likewise.
10160 * mips.c: Likewise.
10161 * mips.md: Likewise.
10162 * gmon-sol2.c: Likewise.
10163 * sparc.c: Likewise.
10165 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10167 * ns32k-protos.h: New file.
10169 * ns32k.c: Fix compile time warnings.
10171 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10174 * ns32k.md: Likewise.
10176 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10178 * vax-protos.h: New file.
10180 * vax.c: Fix compile time warnings.
10182 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10185 * vax.md: Likewise.
10187 * vaxv.md: Likewise.
10189 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10191 * romp-protos.h: New file.
10193 * romp.c: Fix compile time warnings.
10195 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10198 * romp.md: Likewise.
10200 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10202 * we32k-protos.h: New file.
10204 * we32k.c: Fix compile time warnings.
10206 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10209 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10211 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10213 * except.c (eh_regs): Likewise.
10215 * final.c (output_operand): Likewise.
10217 * fold-const.c (target_isinf, target_isnan): Likewise.
10219 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10221 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10222 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10224 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10225 when optimize_size.
10226 (clrstrsi): Rewrite.
10227 (strsethi, strsetqi): New expanders.
10228 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10229 (cmpstrsi): Emit compare insn before cmpstrsi_1
10230 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10231 (strlensi_1): Likewise.
10232 (cmpstrsi_1): Likewise; do not output compare.
10233 (strlen expander): Do not unroll when optimizing for size.
10234 (*subsi3_carry): Rename to subsi3_carry
10235 (addqi3_cc): New pattern.
10236 * i386.h (processor_costs): Add move_ratio field.
10237 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10238 * i386.c (*_cost): Set move_ratio.
10239 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10240 (x86_expand_strlensi_1): Rewrite the main loop.
10242 2000-01-17 Richard Henderson <rth@cygnus.com>
10244 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10245 * cse.c (find_comparison_args, fold_rtx): Likewise.
10246 * integrate.c (subst_constants): Likewise.
10247 * loop.c (get_condition): Likewise.
10249 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10251 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10253 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10255 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10256 (RESTORE_WARN_FLAGS): Unpack it.
10257 Change semantic type of extension to ttype.
10258 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10259 * c-parse.y, c-parse.c, objc/objc-parse.y,
10260 objc/objc-parse.c: Regenerate.
10262 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10264 * fixinc/fixlib.c: Add copyright notice.
10265 (compile_re): New function.
10266 * fixinc/fixlib.h: Prototype compile_re.
10268 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10269 Use compile_re to compile regular expressions.
10271 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10272 where the pattern matched.
10274 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10276 (ultrix_ansi_compat): Likewise.
10277 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10279 (interactv_add2, interactv_add3): Delete.
10280 (x11_sprintf): Don't use filename glob.
10281 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10284 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10286 * print-rtl.c: PROTO -> PARAMS.
10287 * real.c: Likewise.
10288 * reg-stack.c: Likewise.
10289 * resource.c: Likewise.
10290 * sdbout.h: Likewise.
10291 * simplify-rtx.c: Likewise.
10292 * stor-layout.c: Likewise.
10293 * stupid.c: Likewise.
10294 * xcoffout.c: Likewise.
10295 * xcoffout.h: Likewise.
10297 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10299 * toplev.c: PROTO -> PARAMS.
10300 * toplev.h: Likewise.
10301 * tree.c: Likewise.
10302 * tree.h: Likewise.
10303 * unroll.c: Likewise.
10304 * varasm.c: Likewise.
10305 * varray.c: Likewise.
10306 * varray.h: Likewise.
10308 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10310 * reload.c: PROTO -> PARAMS.
10311 * reload.h: Likewise.
10312 * reload1.c: Likewise.
10313 * reorg.c: Likewise.
10314 * resource.h: Likewise.
10317 * rtlanal.c: Likewise.
10318 * sbitmap.h: Likewise.
10319 * sdbout.c: Likewise.
10320 * stack.h: Likewise.
10321 * stmt.c: Likewise.
10322 * system.h: Likewise.
10324 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10326 * machmode.h: PROTO -> PARAMS.
10327 * mbchar.h: Likewise.
10328 * mips-tdump.c: Likewise.
10329 * mips-tfile.c: Likewise.
10330 * optabs.c: Likewise.
10331 * output.h: Likewise.
10332 * prefix.c: Likewise.
10333 * profile.c: Likewise.
10334 * protoize.c: Likewise.
10335 * real.h: Likewise.
10336 * recog.c: Likewise.
10337 * recog.h: Likewise.
10338 * regclass.c: Likewise.
10339 * regmove.c: Likewise.
10340 * regs.h: Likewise.
10342 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10344 * ggc-common.c: PROTO -> PARAMS.
10345 * ggc-page.c: Likewise.
10346 * ggc-simple.c: Likewise.
10348 * global.c: Likewise.
10349 * graph.c: Likewise.
10350 * gthr-win32.h: Likewise.
10351 * haifa-sched.c: Likewise.
10352 * halfpic.h: Likewise.
10353 * integrate.c: Likewise.
10354 * integrate.h: Likewise.
10355 * jump.c: Likewise.
10357 * local-alloc.c: Likewise.
10358 * loop.c: Likewise.
10359 * loop.h: Likewise.
10361 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10363 * genattr.c: PROTO -> PARAMS.
10364 * genattrtab.c: Likewise.
10365 * gencheck.c: Likewise.
10366 * gencodes.c: Likewise.
10367 * genconfig.c: Likewise.
10368 * genemit.c: Likewise.
10369 * genextract.c: Likewise.
10370 * genflags.c: Likewise.
10371 * gengenrtl.c: Likewise.
10372 * genopinit.c: Likewise.
10373 * genoutput.c: Likewise.
10374 * genpeep.c: Likewise.
10375 * genrecog.c: Likewise.
10377 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10379 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10381 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10383 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10384 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10385 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10386 * configure, config.in: Rebuilt.
10388 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10390 * config/i386/i386.md: Add peephole to merge successive stack
10393 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10395 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10396 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10397 when walking backwards to find all the parameter loads when
10398 the basic block ends in a call.
10400 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10402 * loop.c (this_loop_info): Delete.
10403 (uid_loop): Add in place of uid_loop_num. All uses updated.
10404 (loop_number_exit_count): Delete and replace with entry in loop
10405 structure. All uses updated.
10406 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10407 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10408 (loop_outer_loop): Likewise.
10409 (loop_invalid, loop_number_exit_labels): Likewise.
10410 (loop_used_count_register): Delete and replace with entry in
10411 loop_info structure.
10412 (find_and_verify_loops): Add loops argument.
10413 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10414 loop_end, etc. arguments with loop structure pointer. All callers
10416 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10417 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10418 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10419 (insert_bct): Likewise.
10420 (basic_induction_var): New argument level.
10421 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10422 vtop, and cont. Add used_count_register.
10423 (uid_loop): Delete declaration.
10424 (loop_number_exit_count): Likewise.
10425 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10426 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10427 (loop_outer_loop, loop_used_count_register): Likewise.
10428 (loop_invalid, loop_number_exit_labels): Likewise.
10429 (unroll_loop): Replace loop_start and loop_end arguments
10430 with loop structure pointer.
10431 (loop_precondition_p, loop_iterations): Likewise.
10432 Include basic-block.h.
10433 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10434 with loop structure pointer.
10435 (loop_precondition_p, loop_iterations): Likewise.
10436 * basic-block.h (struct loop): New entries vtop, cont,
10437 cont_dominator, start, end, top, scan_start, exit_labels,
10439 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10441 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10443 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10445 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10447 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10449 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10451 * pdp11-protos.h: New file.
10453 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10456 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10459 * pdp11.md: Likewise.
10461 * 2bsd.h: Likewise.
10463 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10465 * mn10300-protos.h: New file.
10467 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10470 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10473 * mn10300.md: Likewise.
10475 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10477 * mn10200-protos.h: New file.
10479 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10482 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10485 * mn10200.md: Likewise.
10487 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10489 * h8300-protos.h: New file.
10491 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10494 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10497 * h8300.md: Likewise.
10499 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10501 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10502 (asm_emit_uninitialised): Likewise.
10504 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10506 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10507 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10509 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10511 * config/mips/mips.c (override_options): Don't turn on extra
10512 alignment for mips16.
10514 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10516 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10517 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10520 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10522 * builtins.c (PAD_VARARGS_DOWN): Define.
10523 (std_expand_builtin_va_arg): Use the above macro.
10524 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10525 * tm.texi (Register Arguments): Document the above macro.
10527 2000-01-14 Nick Clifton <nickc@cygnus.com>
10529 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10530 that this function has not been used to emit a jump
10533 * jump.c (return_jump_1): Cope with being passed a null rtx.
10535 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10537 * eh-common.h: PROTO -> PARAMS.
10538 * emit-rtl.c: Likewise.
10539 * errors.c: Likewise.
10540 * errors.h: Likewise.
10541 * except.c: Likewise.
10542 * except.h: Likewise.
10543 * explow.c: Likewise.
10544 * expmed.c: Likewise.
10545 * expr.c: Likewise.
10546 * expr.h: Likewise.
10547 * final.c: Likewise.
10548 * fix-header.c: Likewise.
10549 * flow.c: Likewise.
10550 * fold-const.c: Likewise.
10551 * function.c: Likewise.
10552 * function.h: Likewise.
10554 * gcov-io.h: Likewise.
10555 * gcov.c: Likewise.
10556 * gcse.c: Likewise.
10558 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10560 * sh-protos.h: New file.
10562 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10563 Add static prototypes. Fix compile time warnings.
10565 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10569 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10571 * arc-protos.h: New file.
10573 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10576 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10579 * arc.md: Likewise.
10581 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10583 * dsp16xx-protos.h: New file.
10585 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10588 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10591 * dsp16xx.md: Likewise.
10593 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10595 * convex-protos.h: New file.
10597 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10600 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10603 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10605 * elxsi-protos.h: New file.
10607 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10610 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10613 * elxsi.md: Likewise.
10615 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10617 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10618 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10619 match the comment for MIPS16.
10621 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10623 * flow.c (split_edge): Do not call set_block_for_insn if we
10624 do not have a basic_block_for_insn structure.
10626 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10627 and destination functions are 32bit aligned within the trampoline.
10628 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10629 (TRAMPOLINE_ALIGNMENT): Define.
10631 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10632 (set (pc) (label_ref)), verify the change creates a valid insn.
10634 * fr30.c (call_operand): Tighten and rework to match rules for
10635 call RTL expressions.
10636 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10637 * fr30.md (call patterns): Improve constraints.
10639 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10641 * fr30.c (fr30_expand_epilogue): Revert last change.
10642 Use emit_jump_insn for the return insn.
10644 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10645 Stan Cox <scox@cygnus.com>
10647 * predict.c: New file. Preliminary infrastructure work for static
10648 branch prediction and basic block reordering.
10649 * basic-block.h: Add prototype for estimate_probability.
10650 * Makefile.in: Add rules for predict.o.
10652 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10654 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10655 * fixinc/*: Likewise.
10657 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10659 * cccp.c: PROTO -> PARAMS.
10660 * cexp.y: Likewise.
10661 * collect2.c: Likewise.
10662 * combine.c: Likewise.
10663 * convert.h: Likewise.
10665 * dbxout.c: Likewise.
10666 * dbxout.h: Likewise.
10667 * diagnostic.c: Likewise.
10668 * doprint.c: Likewise.
10669 * dwarf2out.c: Likewise.
10670 * dwarf2out.h: Likewise.
10671 * dwarfout.c: Likewise.
10672 * dwarfout.h: Likewise.
10673 * dyn-string.h: Likewise.
10675 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10677 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10678 macro conditionals guarding use.
10680 * dwarf2out.c: Include "tm_p.h".
10682 * function.c (locate_and_pad_parm): Mark parameter with
10684 (expand_function_end): Likewise for variable `context'.
10686 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10688 2000-01-13 Nick Clifton <nickc@cygnus.com>
10690 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10691 register to prevent compile time warnings.
10693 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10695 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10696 to avoid -Wtraditional warning.
10698 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10700 * 1750a-protos.h: New file.
10702 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10705 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10708 * 1750a.md: Likewise.
10710 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10712 * a29k-protos.h: New file.
10714 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10717 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10720 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10722 * clipper-protos.h: New file.
10724 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10727 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10730 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10732 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10734 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10736 * configure.in (--enable-new-gxx-abi): New option.
10737 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10738 * Makefile.in (GXX_ABI_FLAG): New variable.
10739 * configure: Regenerate.
10741 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10743 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10744 * tm.texi (FORCE_STRUCT_BLK): Document.
10745 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10747 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10749 * config/ns32k/ns32k.md: Revert Jan 9 change.
10751 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10752 to a mode-test, if the predicate is address_operand.
10754 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10756 * combine.c (if_then_else_cond): Be careful about what kinds
10757 of RTL expressions are passed to operand_subword.
10759 * flow.c (split_edge): If we have to insert a new jump, make
10760 sure to associate it with a basic block.
10762 * flow.c (commit_one_edge_insertion): A block with one successor
10763 can end in a JUMP_INSN that is not a simplejump.
10765 2000-01-12 Robert Lipe <robertl@sco.com>
10767 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10768 (BUILD_VA_LIST_TYPE): Define.
10769 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10772 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10774 * cccp.c (do_pragma): Add cast to (char *).
10776 2000-01-12 Richard Henderson <rth@cygnus.com>
10777 Fred Fish <fnf@be.com>
10778 Jason Merrill <jason@cygnus.com>
10780 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10781 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10782 * i386/beos-elf.h, i386/beos-pe.h: New files.
10784 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10785 * cross-make (SYSTEM_HEADER_DIR): Define using
10786 CROSS_SYSTEM_HEADER_DIR.
10788 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10789 (process_command): Use it.
10790 (main): Likewise. Kill trailing = from env vars.
10791 (build_search_list): Put it back.
10792 * collect2.c (main): Use LIBRARY_PATH_ENV.
10794 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10795 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10797 * tm.texi (Frame Layout): Document SMALL_STACK.
10798 * c-common.c (c_common_nodes_and_builtins): Check it.
10800 * system.h: Undef alloca after including glibc's <stdlib.h>,
10801 if USE_C_ALLOCA is defined.
10803 * gcc.c (set_input): New fn.
10804 (main): After all input files are compiled, reset the input file
10807 * aclocal.m4 (rindex, index): If already defined, don't attempt
10810 * ginclude/varargs.h: (__va_list__): Define ifndef.
10811 * ginclude/stdarg.h: Likewise.
10813 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10814 instead of unsigned char.
10816 * hash.h (true, false, boolean): Undef before enum.
10818 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10819 proper type of "HOST_WIDE_INT *", rather than their natural type of
10820 "unsigned HOST_WIDE_INT *".
10822 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10824 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10826 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10828 * regclass.c (choose_hard_reg_mode): Likewise.
10830 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10832 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10834 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10836 * c-common.c: PROTO -> PARAMS.
10837 * c-common.h: Likewise.
10838 * c-decl.c: Likewise.
10839 * c-iterate.c: Likewise.
10840 * c-lang.c: Likewise.
10841 * c-lex.c: Likewise.
10842 * c-lex.h: Likewise.
10843 * c-parse.in: Likewise.
10844 * c-pragma.c: Likewise.
10845 * c-pragma.h: Likewise.
10846 * c-tree.h: Likewise.
10847 * c-typeck.c: Likewise.
10848 * objc/objc-act.c: Likewise.
10849 * objc/objc-act.h: Likewise.
10851 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10853 * m88k-protos.h: New file.
10855 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10858 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10860 * m88k.md: Likewise.
10862 * tekXD88.h: Likewise.
10864 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10866 * m68k-protos.h: New file.
10868 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10871 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10873 * mot3300.h: Likewise.
10875 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10877 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10879 (extract_bitlist): Declare bitlen.
10881 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10883 * cccp.c: Accept and ignore -lang-fortran.
10885 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10886 qualifiers don't match at any level of pointerness.
10888 2000-01-12 Robert Lipe <robertl@sco.com>
10890 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10892 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10894 * reload1.c (reload_reg_unavailable): New static variable.
10895 (reload_reg_free_p): Test it.
10896 (reload_reg_free_for_value_p): Test it instead of
10898 (choose_reload_regs_init): Compute it.
10900 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10902 * reorg.c (fill_slots_from_thread): Check modified_in_p
10905 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10907 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10908 these nodes even if INTERNALS is not set.
10910 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10912 * gcse.c (delete_null_pointer_checks_1): Cope when
10913 get_condition cannot determine the condition.
10915 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10917 * toplev.h (set_message_length): Declare.
10919 * diagnostic.c (obstack_chunk_alloc): Define macro.
10920 (obstack_chunk_free): Likewise.
10921 (struct output_buffer): New data structure.
10922 (vmessage): Remove.
10923 (output_maximum_width): New variable.
10924 (doing_line_wrapping, set_message_length, init_output_buffer,
10925 get_output_prefix, output_space_left, emit_output_prefix,
10926 output_newline, output_append, output_puts, dump_output,
10927 vbuild_message_string, build_message_string, build_location_prefix,
10928 voutput_notice, output_printf, line_wrapper_printf,
10929 vline_wrapper_message_with_location): New functions. Implement
10930 automatic line wrapping.
10931 (v_message_with_decl): Make it handle automatic line wrapping.
10932 (v_error_with_file_and_line): Likewise.
10933 (v_warning_with_file_and_line): Likewise.
10934 (announce_function): Likewise.
10935 (default_print_error_function): Likewise.
10937 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10939 * cpplib.h (struct cpp_options): Change lang_asm to char.
10941 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10942 done in cpp_handle_option now.
10943 (initialize_builtins): Take out special case code used only by
10945 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10946 if -traditional. Recognize -lang-fortran and set
10947 lang_fortran, also turn off cplusplus_comments.
10948 (print_help): Document -lang-fortran.
10949 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10950 lang_asm. Ignore all directives other than `# 123 "file"' if
10952 (cpp_get_token): If -traditional, don't recognize directives
10953 unless the # is in column 1.
10954 (parse_string): If lang_fortran or lang_asm, silently
10955 terminate strings ('' or "") at end of line.
10956 Remove unnecessary braces.
10958 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10959 Richard Henderson <rth@cygnus.com>
10961 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10963 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10964 strict_low_part when possible.
10966 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10968 * alias.c: PROTO -> PARAMS.
10969 * basic-block.h: Likewise.
10970 * bitmap.c: Likewise.
10971 * bitmap.h: Likewise.
10972 * builtins.c: Likewise.
10973 * c-aux-info.c: Likewise.
10974 * caller-save.c: Likewise.
10975 * calls.c: Likewise.
10977 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10979 * Makefile.in (toplev.o): Depend on regs.h.
10981 * output.h (tdesc_section): Prototype.
10983 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10985 * sdbout.c: Include "tm_p.h".
10987 * toplev.c: Include "regs.h".
10989 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10991 * unroll.c (unroll_loop): Add EH support.
10993 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10995 * pa-protos.h: New file.
10997 * pa.c: Include recog.h and tm_p.h.
10998 (compute_zdepwi_operands, compute_movstrsi_length,
10999 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11000 find_addr_reg, import_milli): Add static prototypes.
11001 (pa_cpu_string, pa_arch_string): Constify a char*.
11002 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11003 (read_only_operand): Add argument `mode'.
11004 (singlemove_string, output_move_double, output_fp_move_double,
11005 output_block_move, output_and, output_ior, output_ascii,
11006 remove_useless_addtr_insns, milli_names, output_mul_insn,
11007 output_div_insn, output_mod_insn, output_arg_descriptor,
11008 output_cbranch, output_bb, output_bvb, output_dbra, ,
11009 output_millicode_call, output_call, hppa_encode_label,
11010 output_parallel_movb, output_parallel_addb): Constify a char*.
11011 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11012 (output_parallel_addb): Remove extra arg to `constrain_operands'
11014 * pa.h: Move all prototypes to pa-protos.h.
11015 (pa_cpu_string, pa_arch_string): Constify a char*.
11016 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11018 * pa.md: Call `function_label_operand' with mode argument.
11019 Likewise for `read_only_operand'.
11020 Fix nesting of parens in call to `symbolic_operand'.
11022 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11024 * i860-protos.h: New file.
11026 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11029 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11031 * i860.md: Likewise.
11033 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11035 * i386.md (movstrsi expander): Rewrite.
11036 (movstrsi_1 insn): Deleted.
11037 (strmovhi, strmovqi expander): New expanders.
11038 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11039 * i386.c (x86_single_stringop): New global variable.
11040 * i386.h (x86_single_stringop): Declare.
11041 (TARGET_SINGLE_STRINGOP): New macro.
11043 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11045 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11046 integer vararg POSTINCREMENT before the destination of the jump
11047 for the hard fp case.
11048 (function_arg_pass_by_reference): Pass a copy of CUM to
11051 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11052 for CONSTANT_ADDRESS_P above while loop for subreg.
11054 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11056 * flow.c (propagate_block): When a prologue/epilogue insn
11057 is marked dead, unconditionally clear libcall_is_dead and
11058 insn_is_dead, and only dump rtl if warnings aren't being
11061 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11063 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11064 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11065 (FIXED_REGISTERS): Set dirflag as fixed.
11066 (CALL_USED_REGISTERS): Set dirflag as used.
11067 (REG_ALLOC_ORDER): Set dirflag as last one.
11068 (DIRFLAG_REG): New macro.
11069 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11070 (HI_REGISTER_NAMES): Add dirflag.
11071 (DEBUF_PRINT_REG): Handle dirflag.
11072 * i386.md (type attribute): New cld and str types.
11073 (length_opcode attribute): Set cld and str to 1.
11074 (memory attribute): Set str to unknown - it is not clear from the
11076 (pent_np function unit): Prefixed string operations takes 12 cycles
11077 minimally; cld takes 2 cycles.
11078 (ppro_uops attribute): Str is "many" and cld is "few".
11079 (ppro_p0 unit): Handle cld here.
11080 (k6_alux unit): Handle cld and str types.
11081 (k6_load unit): It is ocupied by str opcodes.
11082 (k6_store unit): It is ocupied by str opcodes.
11083 (athlon_decode): Str is vector decoded.
11084 (athlon_ieu): Handle str and cld.
11085 (cld pattern): New.
11086 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11087 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11088 cmpstrsi_nz_1 insn): Do not output cld instruction
11090 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11092 * gcc.texi (G++ and GCC): Add Java and Chill.
11093 (Bug Critera): Don't list languages.
11095 * gcc.texi (Incompatibilities): No longer claim most C compilers
11098 * gcc.texi (G++ and GCC): Update other front-ends list.
11100 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11102 * i386.c (ix86_expand_setcc): Fix typo.
11103 (ix86_expand_movcc): Similarly.
11105 * Band-aid until haifa's bitset implementation is nuked.
11106 * haifa-sched.c (extract_bitlst): New parameter for size of the
11107 bitset in bits. All callers changed. Avoid looking at undefined
11108 bits in the bitset.
11109 (edgeset_bitsize): New variable.
11110 (schedule_region): Initialize edgeset_bitsize.
11112 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11114 * Makefile.in (optabs.o): Depend on real.h
11115 (resource.o): Depend on insn-attr.h
11117 * builtins.c (result_vector): Wrap prototype in macro conditions
11118 governing definition and use.
11120 * c-common.c: Include tm_p.h.
11122 * c-lex.c: Likewise.
11124 * elfos.h: Constify a char*.
11126 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11127 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11128 parameter with ATTRIBUTE_UNUSED.
11130 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11133 * haifa-sched.c (schedule_insns): Mark parameter with
11136 * optabs.c: Include real.h.
11138 * real.h (ereal_atof): Add prototype arguments.
11140 * resource.c: Include insn-attr.h.
11142 * sdbout.c (sdbout_queue_anonymous_type,
11143 sdbout_dequeue_anonymous_types): Wrap in macro
11144 SDB_ALLOW_FORWARD_REFERENCES.
11145 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11148 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11150 * stupid.c: Include tm_p.h.
11152 * tree.c (real_value_from_int_cst): Mark parameter with
11155 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11157 * i960-protos.h: New file.
11159 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11162 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11164 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11166 * combine.c (expand_field_assignment): Do not discard SUBREGs
11167 while computing nonzero_bits.
11169 2000-01-09 Nick Clifton <nickc@cygnus.com>
11171 * config/arm/arm.c: Fix compile time warnings about signed vs
11172 unsigned constants.
11173 * config/arm/arm.h: Fix compile time warnings about signed vs
11174 unsigned constants.
11176 2000-01-09 Philip Blundell <philb@gnu.org>
11178 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11179 than `ldm' with only one register.
11180 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11183 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11186 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11188 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11191 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11193 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11194 assignment used as truth value.
11196 * function.c (assign_temp): Mark parameter `dont_promote' with
11197 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11198 PROMOTE_FOR_CALL_ONLY.
11200 * genrecog.c (write_subroutine): Mark variable `operands' with
11203 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11206 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11207 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11209 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11212 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11214 * config/c4x.h: Tidy up comments.
11215 * config/c4x.c: Likewise.
11217 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11219 * fold-const.c (lshift_double, rshift_double): Handle
11220 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11222 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11224 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11225 in prepare_function_start().
11227 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11229 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11230 longer allocate extra stack for function calls.
11232 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11234 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11236 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11238 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11240 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11242 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11243 * aix43.h: Revert Aug 2 change.
11244 (HAS_INIT_SECTION): Define, not visible yet.
11245 (LD_INIT_SWITCH): Define, not visible yet.
11246 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11248 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11250 * collect2.c (main): Expand ld2 size further.
11251 (export_object_lst): Cast assignment to avoid warning.
11252 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11253 (scan_prog_file, COFF): Do not collect initialization or
11254 finalization functions generated for entire shared object if
11255 init/fini support present.
11257 2000-01-07 Nick Clifton <nickc@cygnus.com>
11259 * config/elfos.h: Tidy up formatting of marcos. Make sure
11260 that .section directives are always prefixed by a tab.
11262 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11265 2000-01-07 Matt Austern <austern@sgi.com>
11267 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11270 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11272 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11274 (crtbegin.o, s-crtS): Likewise.
11276 2000-01-06 Richard Henderson <rth@cygnus.com>
11278 * alpha.md (adddi_2+1): Limit offset such that it will be
11279 loadable with a single ldah+lda pair.
11280 (adddi_2+2): Explicitly fail split if we can't make it work.
11282 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11284 * protoize.c: Conditionally include unistd.h.
11285 (IS_SAME_PATH_CHAR): New macro.
11286 (IS_SAME_PATH): New macro.
11287 (CPLUS_FILE_SUFFIX): New macro.
11288 (cplus_suffix): New static variable.
11289 (is_abspath): New static function.
11290 (in_system_include_dir): Handle DOS style pathnames.
11291 (file_could_be_converted): Likewise.
11292 (file_normally_convertible): Likewise.
11293 (directory_specified_p): Likewise.
11294 (file_excluded_p): Likewise.
11295 (abspath): Likewise.
11296 (shortpath): Likewise.
11297 (referenced_file_is_newer): Likewise.
11298 (save_def_or_dec): Likewise.
11299 (do_processing): Likewise.
11301 (edit_file): Likewise. Use rename instead of link.
11302 (rename_c_file): Likewise. Don't rename syscalls file.
11303 (munge_compile_params): Define null device for DOS based systems.
11304 (process_aux_info_file): Use binary mode if appliable.
11305 (edit_file): Likewise.
11306 * invoke.texi (Running Protoize): Document C++ suffixes used.
11308 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11309 IS_DIR_SEPARATOR macros.
11310 * collect2.c: Likewise.
11311 * cppinit.c: Likewise.
11312 * dwarf2out.c: Likewise.
11314 * gcov.c: Likewise.
11315 * prefix.c: Likewise.
11317 * toplev.c: Likewise.
11318 * system.h: And move to here.
11320 * prefix.c (update_path): Fix typo in variable name.
11322 2000-01-06 Richard Henderson <rth@cygnus.com>
11324 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11325 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11326 (count_reg_sets_1, count_reg_references): Likewise.
11327 (flow_loops_level_compute): Start counting actual loop depth at 1.
11328 (flow_loops_find): Likewise.
11329 * local-alloc.c (update_equiv_regs): Likewise.
11330 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11332 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11334 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11335 FIRST_PSEUDO_REGISTER
11336 * dwarf2out.c: Don't include frame.h
11337 * dwarfout.c: Likewise
11338 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11341 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11343 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11346 * i386.c (movsf splitter): Fix typo in my last checkin.
11348 2000-01-05 Nick Clifton <nickc@cygnus.com>
11350 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11351 own definition of this macro.
11352 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11353 flag_data_sections or UNIQUE_SECTION_P are true.
11355 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11356 unitialised data decls.
11358 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11359 being called for uninitialised data.
11361 * config/i386/interix.c (i386_pe_unique_section): Cope with
11362 being called for uninitialised data.
11364 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11365 for uninitialised data.
11367 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11368 for uninitialised data.
11370 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11371 for uninitialised data.
11373 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11374 (UNIQUE_SECTION_P): Always generate a unique section if
11375 flag_data_sections is true.
11376 (UNIQUE_SECTION): Also generate unique sections for
11377 uninitialised data.
11378 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11379 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11382 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11384 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11387 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11389 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11390 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11391 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11392 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11393 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11395 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11397 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11399 * c-decl.c (finish_enum): Simplify code to determine minimum and
11400 maximum values of the enum, and calculate the type. Remove check
11401 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11402 the DECL_INITIAL of each enumeration constant with a copy converted
11403 to the enumeration type. When updating variant types, don't bother
11404 updating the type itself.
11406 * c-typeck.c (build_binary_op): Simplify conditional expressions
11407 when weeding out spurious signed-unsigned warnings. Add new
11408 spurious warning category: if the unsigned quantity is an enum
11409 and its maximum value fits in signed_type(result_type). Update
11411 (build_conditional_expr): Warn here if one alternative is signed
11412 and the other is unsigned.
11414 2000-01-05 Nick Clifton <nickc@cygnus.com>
11416 * config/fr30/fr30.h: Remove extraneous comments.
11418 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11420 * reload1.c (choose_reload_regs): When disabling a reload, also
11421 set reload_spill_index to -1.
11423 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11425 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11427 (m68*-*-rtemself*): New target.
11428 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11429 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11430 (sparc*-*-rtemself*): New target.
11431 (sparc*-*-rtems*): Now elf not a.out.
11432 * config/i386/rtems.h: Include config/rtems.h.
11433 * config/i386/rtemself.h: Include config/rtems.h.
11434 * config/i960/rtems.h: Include config/rtems.h.
11435 * config/m68k/rtems.h: Include config/rtems.h.
11436 * config/m68k/rtemself.h: Include config/rtems.h.
11437 * config/mips/rtems64.h: Include config/rtems.h.
11438 * config/pa/rtems.h: Include config/rtems.h.
11439 * config/rs6000/rtems.h: Include config/rtems.h.
11440 * config/sh/rtems.h: Include config/rtems.h.
11441 * config/sh/rtemself.h: Include config/rtems.h.
11442 * config/sparc/rtems.h: Include config/rtems.h.
11443 * config/sparc/rtemself.h: Include config/rtems.h
11445 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11447 * final.c (shorten_branches): Correctly compute length of
11448 asms without operands.
11450 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11452 * configure.in: Add pj target.
11453 * configure: Regenerate.
11454 * config/pj: New directory.
11455 * config/pj/lib1funcs.S: New file.
11456 * config/pj/linux.h: New file.
11457 * config/pj/pj.c: New file.
11458 * config/pj/pj.md: New file.
11459 * config/pj/pjl.h: New file.
11460 * config/pj/t-pj: New file.
11461 * config/pj/xm-pj.h: New file
11463 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11465 * toplev.c (rest_of_compilation): Run shorten-branches before
11468 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11470 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11471 macros so that they're consistent with their names.
11472 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11473 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11475 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11477 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11478 modified inadvertently.
11480 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11482 * configure.in (v850*-*-rtems*): New target.
11483 * configure: Regenerate.
11484 * config/v850/rtems.h: New file.
11486 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11488 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11489 (__gthread_key_create): Likewise.
11490 (__gthread_key_dtor): Likewise.
11491 (__gthread_once): Fix logic.
11492 (__gthread_key_delete): Cast away constness.
11494 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11495 * invoke.texi: Document.
11496 * i386/mingw32.h (CPP_SPEC): Use.
11497 (LIBGCC_SPEC): Likewise.
11498 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11500 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11502 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11503 (HANDLE_PRAGMA_PACK): Undefine.
11504 (SLOW_UNALIGNED_ACCESS): Define.
11506 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11508 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11509 to default definition.
11510 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11511 (store_fixed_bit_field): Call macro with word_mode and alignment.
11512 (extract_bit_field): Call macro with relevant mode and alignment.
11513 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11514 to default definition.
11515 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11517 (move_by_pieces_ninsns): Likewise.
11518 (clear_by_pieces): Likewise.
11519 (emit_push_insn): Likewise.
11520 (store_field): Call macro with relevant mode and alignment.
11521 (expand_expr): Likewise.
11522 (expand_expr_unaligned): Likewise.
11524 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11525 (SLOW_UNALIGNED_ACCESS): Define.
11526 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11527 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11528 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11529 (toc_section): Likewise and .toc pseudo-op.
11530 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11532 (TEXT_SECTION_ASM_OP): Likewise.
11533 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11536 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11537 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11538 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11539 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11540 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11542 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11544 * regclass.c: Revert my Jan 4 change to loop cost computation.
11546 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11548 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11551 2000-01-04 Stan Cox <scox@cygnus.com>
11553 * haifa-sched.c (build_control_flow): Change unreachable simple
11554 loop test to check if current block has only one predecessor.
11555 (find_rgns): Initialize degree. Use dest as degree index, not src.
11557 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11559 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11561 * calls.c (expand_call): Likewise for
11562 `old_stack_arg_under_construction'.
11564 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11566 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11569 * gcc.c (execute): Likewise for `ut' and `st'.
11571 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11573 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11575 * jump.c (jump_optimize_1): Likewise for `temp2'.
11577 * local-alloc.c (block_alloc): Likewise for `r1'.
11579 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11581 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11582 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11584 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11587 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11588 and `goal_earlyclobber'.
11590 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11592 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11594 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11596 * unroll.c (copy_loop_body): Likewise for `copy'.
11598 * varasm.c (output_constructor): Likewise for `byte'.
11600 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11602 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11603 all FP constants for constant->reg moves.
11604 (ix86_split_to_parts): Try to convert memory address into immediate
11605 when available in the constant pool.
11606 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11608 (LEGITIMATE_CONSTANT_P): Return 1.
11609 * i386.md (pushsf): New splitter to convert constant pool memory
11610 reference to immediate.
11611 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11614 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11616 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11617 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11618 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11619 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11620 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11622 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11624 * ginclude/stdbool.h: Support compilation as C++.
11626 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11628 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11630 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11632 * regclass.c (regclass): Properly compute loop_cost. Adjust
11635 * regclass.c: Fix minor whitespace problems.
11637 2000-01-03 Anthony Green <green@cygnus.com>
11639 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11640 Restore the pic register if required.
11642 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11644 * c-common.c (format_char_info): Update comment.
11645 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11646 was recognized. Emit warning for formats new in ISO C99 only
11647 if flag_isoc9x is not set.
11649 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11651 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11653 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11655 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11656 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11657 (make_compound_operation): Choose cheaper alternative between
11658 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11660 * regclass.c (op_costs): Remove global variable.
11661 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11662 (record_operand_costs): Break out from ...
11663 (scan_one_insn): ... here.
11664 (dump_regclass): Make dumps nicer.
11665 (regclass): Dump preferrences choosed and changes done during passes.
11667 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11669 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11671 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11673 * config/sparc/sparc.c (gen_df_reg): New function.
11674 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11675 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11676 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11677 movtf_cc_reg_sp64+1): Use it.
11679 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11681 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11682 copied LABEL_DECLs.
11684 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11686 * config/i386/i386.c (ix86_expand_unary_operator): Function
11687 definition made void.
11688 (ix86_expand_binary_operator): Update outdated preceding comment.
11689 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11692 * config/i386/i386.c (override_options): Fix option-name typo.
11694 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11696 * system.h (CEIL): Define.
11697 * builtins.c (CEIL): Remove.
11698 * expmed.c (CEIL): Likewise.
11699 * expr.c (CEIL): Likewise.
11700 * stor-layout.c (CEIL): Likewise.
11702 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11704 * expr.c (store_constructor_field): Fix typo introduced with last
11707 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11709 * tree.h (BINFO_N_BASETYPES): New macro.
11711 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11713 * expmed.c (emit_store_flag): Prevent losing a pending stack
11714 adjust the same way we prevent losing queued increments.
11716 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11718 * function.c (update_temp_slot_address): Handle case where sum of
11719 temporary address plus offset in register is a valid address.
11721 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11723 * genrecog.c (change_state) Corrected typo.
11725 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11727 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11728 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11729 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11731 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11733 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11734 case, expand GT comparisons correctly. Fix a comment before this
11737 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11739 * dwarfout.c: Include "frame.h"
11740 * dwarf2out.c: Likewise.
11741 * Makefile.in (dwarfout.o): Depend on frame.h
11742 (dwarf2out.o): Likewise.
11744 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11746 Restore i386 binary compatibility in Dwarf EH info.
11747 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11748 value of FIRST_PSEUDO_REGISTER.
11749 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11750 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11751 * dwarfout.c (output_reg_number): Ditto.
11752 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11753 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11755 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11757 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11758 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11759 (<hack>_RE_CT): not needed
11760 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11761 rewritten to scan the file text once only
11762 "template<..." test added
11763 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11764 (is_cxx_header): declaration added
11765 * fixinc/fixtests.c(is_cxx_header): removed
11766 (apply_fix_p_t): removed
11767 (double_slash_test): is_cxx_header is only called once now
11768 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11769 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11770 within the templates.
11771 The borken spelling of "broken" was fixed.
11772 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11773 The default level depends on FIXINC_DEBUG.
11775 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11777 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11778 Otherwise provide a declaration for atexit.
11779 (init_dummy): Make sure dummy call to atexit is nevertheless
11780 called with correct number of args.
11782 * frame.c: Update comments referring to other files.
11784 * libgcc2.c: Likewise.
11786 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11788 * cse.c (free_element, get_element): Remove unused prototypes.
11790 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11793 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11796 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11798 * configure.in,configure: case arm for mn10200-*-* now sets
11799 float_format=i32 so that float.h will correctly claim "double"
11800 to be 32 bits. Ran autoconf to generate configure from .in file.
11802 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11804 * pa.md (conditional zero): If op1 is a register, force it into
11805 the same register as op0.
11807 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11809 * tree.h (BINFO_BASETYPES): Improve documentation.
11811 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11813 * configure.in (--enable-checking): Use a more portable `for'
11816 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11818 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11819 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11821 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11824 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11825 Delete descriptions.
11827 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11828 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11829 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11830 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11831 xm-svr4.h: Remove all instances of sys_siglist handling.
11833 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11835 * config/sparc/sparc.md (cmp_zero_qi,
11836 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11837 cmp_zero_extendqidi2_andcc_set): New patterns.
11839 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11841 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11842 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11843 (fpgnulib.c, xfgnulib.c): Add rules.
11844 * m68k/t-mot3300-gas: Likewise.
11846 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11848 * configure.in: Avoid [[ by using test and changequote. Add
11849 changequote required by 1999-12-14 change.
11850 * configure: Rebuild.
11852 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11854 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11856 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11858 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11859 * flow.c (find_use_as_address): Likewise.
11860 * function.c (fixup_var_refs_1): Likewise.
11861 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11862 * jump.c (invert_exp, redirect_exp): Likewise.
11863 * loop.c (replace_call_address): Likewise.
11864 (count_nonfixed_reads): Likewise.
11865 * rtlanal.c (modified_between_p): Likewise.
11866 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11867 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11868 * unroll.c (remap_split_bivs): Likewise.
11870 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11872 * diagnostic.c (v_message_with_decl): Use .* format specifier
11873 instead of building the format specifier width manually.
11875 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11876 determining whether to provide a prototype. Remove the
11877 sys_siglist clause in the conditional.
11879 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11881 * fold-const.c (operand_equal_p): Use memcmp to compare string
11883 Suggested by D. J. Bernstein
11885 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11887 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11888 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11890 * config/mips/mips.h (TARGET_64BIT): Likewise.
11891 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11892 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11893 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11894 dsps. Give routines proper names if SI/DI modes are not used.
11895 * longlong.h: Use DWunion instead of DIunion.
11897 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11899 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11900 GC_CHECKING, GC_ALWAYS_COLLECT.
11901 * configure.in: Allow --enable-checking with an argument
11902 listing check modes to enable.
11903 * config.in, configure: Rebuilt.
11904 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11905 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11906 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11907 ENABLE_GC_ALWAYS_COLLECT.
11908 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11910 * tree.h, tree.c: Change ENABLE_CHECKING to
11911 ENABLE_TREE_CHECKING throughout.
11913 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11915 * fold-const.c (fold_truthop): Properly check for FP RHS.
11917 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11919 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11920 * toplev.c (note_deferral_of_defined_inline_function): New
11921 function, split out from ...
11922 (rest_of_compilation): ... here. Use it.
11924 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11926 * expr.c (store_constructor): Don't call clear_storage if size is
11929 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11931 * Makefile.in (toplev.o): Depend on loop.h.
11933 * dwarfout.c: Include tm_p.h.
11935 * emit-rtl.c (restore_emit_status): Mark parameter with
11938 * final.c (final_scan_insn): Likewise.
11940 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11941 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11942 flow_depth_first_order_compute, flow_loop_pre_header_find,
11943 flow_loop_tree_node_add, flow_loops_tree_build,
11944 flow_loop_level_compute, flow_loops_level_compute,
11945 flow_loop_outside_edge_p): Add prototypes.
11946 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11948 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11949 Mark with ATTRIBUTE_NORETURN.
11951 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11953 * local-alloc.c (no_conflict_p): Likewise.
11955 * loop.c (insert_bct): Hide definitions of variables with hidden
11957 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11959 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11960 with ATTRIBUTE_UNUSED.
11961 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11962 (reg_scan): Likewise.
11964 * reload.c (find_reloads): Remove unused variables `changed'.
11966 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11968 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11969 Remove unused variable `insn'.
11971 * toplev.c: Include loop.h.
11972 (report_file_and_line): Remove unnecessary prototype.
11974 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11976 * unroll.c (biv_total_increment): Likewise.
11978 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11980 * reload1.c (emit_input_reload_insns): Restore old behaviour
11981 wrt. 'special' reloads.
11983 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11985 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11986 hash.h. (cse.c): Don't depend on hashtab.h.
11988 * cse.c: Don't include hashtab.h.
11989 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11991 * ggc-simple.c: Don't include hash.h.
11993 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11995 * dwarf2out.c (add_abstract_origin_attribute): Call
11996 gen_abstract_function on our function context.
11998 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12000 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12002 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12004 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12007 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12009 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12010 constraints to "a!r".
12012 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12014 * Makefile.in (calls.o): Depend on function.h.
12015 (alias.o): Likewise.
12017 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12019 * reload1.c (emit_reload_insns): Break out code and variables into...
12020 (input_reload_insns, other_input_address_reload_insns,
12021 other_input_reload_insns, input_address_reload_insns,
12022 inpaddr_address_reload_insns, output_reload_insns,
12023 output_address_reload_insns, outaddr_address_reload_insns,
12024 operand_reload_insns, other_operand_reload_insns,
12025 other_output_reload_insns): ... new static variables, and...
12026 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12027 do_output_reload): ... new functions.
12029 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12031 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12033 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12035 * md.texi: Add c4x constraints documentation.
12037 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12039 * config/i386/dgux.c (struct option): Rename to
12040 lang_independent_option.
12041 (struct m_options): Add description field.
12042 (output_options): Rename option type, add sep declaration, output
12043 ix86_cpu_string and ix86_arch_string only if set.
12044 (output_file_start): Rename option type.
12046 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12048 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12050 (libgcc2.a): Similarly.
12052 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12054 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12055 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12056 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12058 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12060 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12061 Remove redundant initialization of "frexpon" and "expon".
12063 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12065 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12067 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12068 (store_constructor_field, expand_expr): Pass new arg.
12070 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12072 * Makefile.in (explow.o): Depend on function.h.
12074 * stor-layout.c (set_sizetype): Fix typo.
12076 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12078 * function.c (cfun): Renamed from current_function. All users
12080 * function.h (cfun): Rename declaration as well.
12082 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12083 to be of type regset_head, not regset. All users changed by adding
12085 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12087 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12089 * config/c4x/rtems.h: New file.
12091 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12093 * reload1.c (spill_failure): Take class of failed reload as argument
12094 and print it. Caller changed.
12096 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12098 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12099 (TARGET_SWITCHES): Allow subtargets to default switches.
12100 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12102 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12104 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12107 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12109 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12110 * cppinit.c (cpp_handle_option): Likewise.
12112 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12113 determine when to define.
12115 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12117 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12118 cmove with mismatched test and data modes.
12120 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12122 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12125 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12127 * alias.c: Minor reformatting.
12128 * flow.c: Likewise.
12129 * regs.h: Likewise.
12130 * stor-layout.c: Likewise.
12131 * fold-const.c: Likewise.
12132 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12133 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12135 (size_int_wide): Cache nodes even if garbage collecting.
12136 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12137 of SAVE_EXPR has no side effects.
12138 * cse.c: Move a comment.
12139 * tree.c: Minor reformatting.
12140 (int_size_in_bytes): Return -1 if constant overflows.
12142 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12144 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12146 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12148 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12149 after any change to c-parse.in, even if objc-parse.y didn't
12152 1999-12-18 David S. Miller <davem@redhat.com>
12154 * toplev.c (rest_of_compilation): Restore BLOCK tree
12155 reconstruction and branch shortening changes lost in
12156 December 18th change.
12158 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12160 * config/arm/linux-elf.h: Change all instances of
12161 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12162 * config/arm/uclinux-elf.h: Likewise.
12164 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12166 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12167 v_message_with_decl, file_and_line_for_asm,
12168 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12169 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12170 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12171 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12172 pfatal_with_name, fatal_io_error, need_error_newline,
12173 last_error_function, last_error_tick, announce_function,
12174 default_print_error_function, print_error_function,
12175 report_error_function, fnotice, error_with_file_and_line,
12176 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12177 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12178 warning_with_decl, warning_for_asm, warning, pedwarn,
12179 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12181 (compile_file): Use fnotice instead of notice. Adjust call.
12183 * diagnostic.c: New file.
12185 * Makefile.in (OBJS): Include diagnostic.o
12186 (diagnostic.o): Define dependence.
12188 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12190 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12193 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12195 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12197 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12199 * fixtests.c (is_cxx_header): New fn, split out of
12201 (else_endif_label): Allow "#endif // comment" in C++ headers,
12202 as determined by is_cxx_header.
12203 * fixfixes.c (else_endif_label_fix): Update comment.
12204 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12206 * genfixes: Correct double thinko in commandline parsing.
12207 * hackshell.tpl: Generate correct sh syntax for bypass
12210 * inclhack.def (all): Whenever an inserted preprocessor
12211 conditional is split over multiple lines, use double
12212 backslashes in this file so the fixed header will be readable.
12214 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12215 and add bypass entry for correct version of this header.
12216 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12217 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12219 (hpux8_bogus_inlines): New fix, split from...
12220 (ultrix_atof_param) ... here.
12221 (math_expression): Add bypass entry keyed to glibc comment
12222 indicating the problem has been dealt with; disable
12223 unnecessary sed operations; update commentary.
12224 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12225 add select and bypass entries, simplify shell operation.
12226 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12228 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12229 ultrix_atof_param): Add select entry.
12230 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12231 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12232 comments with the fixes they describe.
12234 * c-parse.in (string action): Do not warn about ANSI string
12235 concatenation in system headers. Affects C parser only.
12236 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12238 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12240 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12241 compiling libgcc2 the macro depends always on arch cpp defines.
12243 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12245 * loop.c (insert_loop_mem): Don't record MEMs from inside
12248 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12250 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12252 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12253 notes too, create one when replacement failed, attempt to simplify
12255 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12256 or REG_EQUIV notes.
12258 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12260 * crtstuff.c (__dso_handle): Declare.
12261 (__cxa_finalize): Likewise.
12262 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12265 * invoke.texi: Document -fuse-cxa-atexit.
12267 * tree.h (ptr_type_node): Document.
12268 (const_ptr_type_node): Likewise.
12270 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12272 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12273 (optimize_reg_copy_2): Likewise.
12274 (optimize_reg_copy_3): Likewise.
12275 (fixup_match_2): Likewise.
12276 (regmove_optimize): Likewise.
12277 (fixup_match_1): Liekwise.
12279 * i386.md (HI to SImode promoting splitters): Rewrite.
12280 (pushsf mem peep2): New.
12281 (testhi to andhi peep2): Remove.
12282 * i386.h (x86_promote_QImode): New.
12283 (TARGET_PROMOTE_QImode): New.
12284 (PREDICATE_CODES): Add promotable_binary_operator.
12285 * i386.c (x86_promote_QImode0: New.
12286 (promotable_binary_operator): New.
12287 * i386-protos.h (promotable_binary_operator): New.
12289 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12291 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12293 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12295 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12296 * function.c (insert_block_after_note): Remove.
12297 (retrofit_block): Likewise.
12298 (identify_blocks): Fix indentation.
12299 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12300 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12301 * function.h (insert_block_after_note): Remove prototype.
12302 (retrofit_block): Likewise.
12303 * integrate.c (expand_inline_function): Don't call
12304 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12305 just expand_start_bindings. Use the block_map to remap old
12306 NOTE_BLOCKs to new ones.
12307 (integrate_decl_tree): Keep track of remapped blocks.
12308 * integrate.h (struct inline_remap): Add block_map.
12309 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12310 NOTE_BLOCK on the notes.
12311 (expand_start_bindings): Rename to ...
12312 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12313 (expand_end_bindings): Set NOTE_BLOCK.
12314 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12315 reconstruct the BLOCK tree.
12316 * tree.h (expand_start_bindings): Macroize. Call ...
12317 (expand_start_bindings_and_block): New function.
12319 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12321 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12322 to match the format.
12324 1999-12-16 David S. Miller <davem@redhat.com>
12326 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12327 the outputs is a SUBREG.
12328 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12331 * config/sparc/sparc.c (epilogue_renumber): Add default case
12334 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12336 * toplev.c (rest_of_compilation): Run branch shortening after
12339 * regclass.c (loop_depth): Remove
12340 (scan_one_insn): Do not handle LOOP_NOTE insns.
12341 (regclass): Go through basic blocks and set loop_cost
12343 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12345 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12347 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12349 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12350 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12351 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12353 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12355 * loop.c (insert_loop_mem): Ignore memory clobbers.
12357 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12360 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12362 * profile.c: Remove redundant #include "output.h".
12364 * h8300.md (HImode preinc peephole): Fix typo.
12366 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12368 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12369 (insert_block_after_note): Abort if we don't have a previous block.
12370 Remove FN parameter.
12371 * function.h: Adjust.
12373 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12375 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12376 argument more than once.
12378 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12380 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12382 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12384 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12386 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12388 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12389 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12390 update stack_alignment_needed.
12391 (prepare_function_start): Initialize stack_alignment_needed
12392 * function.h (struct function): Add field stack_alignment_needed.
12394 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12396 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12397 Handle live_throughout / dead_or_set instead of live_before /
12399 (save_call_clobbered_regs): Get register livenessinformation from
12400 chain->live_throughout.
12401 (add_stored_regs): New function.
12402 (insert_restore, insert_save): Add restored / saved registers to
12404 * global.c (reg_dies): New parameter chain.
12405 (reg_becomes_live): Third parameter is regs_set now.
12406 Changed all callers.
12407 (reg_dies): New parameter chain. Changed all callers.
12408 (build_insn_chain): Set live_throughout instead of
12409 live_before / live_after.
12410 * reload.h (struct insn_chain): Replace members live_before /
12411 live_after with live_throughout / dead_or_set.
12412 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12413 instead of live_before / live_after.
12414 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12415 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12416 (choose_reload_regs_init): Likewise.
12417 * stupid.c (current_chain, find_clobbered_regs): Delete.
12418 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12419 instead of chain->live_before / chain->live_after.
12420 (mark_hard_ref): New function.
12421 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12423 1999-12-15 David S. Miller <davem@redhat.com>
12425 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12427 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12429 * flow.c (calculate_loop_depth): Make global, remove prototype,
12430 rewrite to use new loop infrastructure.
12431 (find_basic_block): Remove calculate_loop_depth call.
12432 * toplev.c (rest_of_compilation): Call find_basic_block.
12433 * output.h (calculate_loop_depth): Declare.
12435 * flow.c (dump_flow_info): Dump loop_depth.
12436 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12438 (flow_loops_find): Initialize the loop_depth for each basic block.
12440 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12442 * tree.c (decl_function_context): Handle virtual functions.
12444 * tlink.c (scan_linker_output): Don't look in demangled name when
12445 looking for linker output keywords.
12447 * dwarfout.c (output_type): We can defer namespace-scope classes.
12449 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12451 * regclass.c (record_reg_classes): Update comment for merging
12452 register class preferences in reg->reg copies. Tighten conditions
12453 for merging register class preferences in reg->reg copies.
12455 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12457 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12459 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12461 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12462 (INIT_SECTION_ASM_OP): Delete.
12463 (FINI_SECTION_ASM_OP): Delete.
12464 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12466 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12468 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12469 the abstract origin wasn't emitted.
12471 * dwarf2out.c (class_scope_p): New fn.
12472 (gen_subprogram_die): Use it.
12473 (gen_variable_die): Use it. Tweak logic.
12474 (gen_struct_or_union_type_die): Check context_die to determine
12475 if we're function-local.
12476 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12478 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12480 * loop.c (check_dbra_loop): Can't reverse a biv that has
12481 maybe_multiple set.
12483 1999-12-14 Nick Clifton <nickc@cygnus.com>
12485 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12488 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12490 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12491 for givs made from biv increments.
12493 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12495 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12496 * alpha.c (override_options): Recognize -mcpu=ev67.
12497 * alpha.h (CPP_CPU_EV67_SPEC): New.
12498 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12499 (EXTRA_SPECS): Update.
12501 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12503 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12504 appropriate for -lang-c89 and -std=*.
12505 * cppinit.c (cpp_handle_option): Likewise.
12506 (new_pending_define): New, split out from cpp_handle_option.
12507 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12508 or enable trigraphs for -ansi/-std=*.
12510 * ginclude/stdarg.h (__va_copy): New.
12511 (va_copy): Don't define for C89.
12513 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12515 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12516 for long long multiply-accumulate.
12518 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12520 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12521 optimizing for size.
12523 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12525 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12526 if something changed. Back out that part of yesterday's changes.
12528 * loop.c (loop_max_reg): New static variable.
12529 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12531 (scan_loop): Call reg_scan_update whenever we may have added new
12532 registers, and update loop_max_reg.
12534 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12536 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12537 when source does not die.
12539 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12541 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12543 * config/sparc/linux64.h (TARGET_LIVE_G0,
12544 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12546 * config/sparc/linux.h (TARGET_LIVE_G0,
12547 TARGET_BROKEN_SAVERESTORE): Likewise.
12548 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12549 TARGET_BROKEN_SAVERESTORE): Likewise.
12551 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12552 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12554 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12555 as sparc64 block profiling register.
12556 * config/sparc/sparc.c (sparc_override_options): Allow block
12557 profiling with -m32.
12558 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12559 profiling register.
12560 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12561 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12562 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12564 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12566 * config/sparc/sparc.h: Likewise.
12567 * config/sparc/xm-sysv4-64.h: Likewise.
12568 * config/float-sparc.h: Likewise.
12569 * glimits.h: Likewise.
12570 * longlong.h: Likewise.
12572 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12573 (ASM_IDENTIFY_GCC): Remove.
12575 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12577 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12578 (simplify_logical): Likewise.
12580 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12582 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12583 * cppfiles.c (INO_T_EQ): Likewise.
12585 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12587 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12588 * i386/mingw32.h (LIB_SPEC): Likewise.
12589 (STARTFILE_SPEC): Likewise.
12590 * i386/uwin.h (LIB_SPEC): Likewise.
12591 (STARTFILE_SPEC): Likewise.
12593 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12594 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12596 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12598 * combine.c (combine_simplify_rtx): Fix order of checks for
12599 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12601 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12603 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12604 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12606 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12608 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12610 * regclass.c (inv_reg_alloc_order): New array.
12611 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12613 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12614 counted_for_groups, counted_for_nongroups. Add fields rld and
12616 * reload.c (push_secondary_reload): Don't set nongroup field of
12618 (push_reload): Likewise.
12619 (find_reloads): Delete code to compute nongroup fields.
12620 * reload1.c (reload_insn_firstobj): New static variable.
12621 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12623 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12624 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12625 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12627 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12629 (struct hard_reg_n_uses): Deleted.
12630 (potential_reload_regs): Deleted.
12631 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12632 (reload): Don't try to allocate reload registers if we already know
12633 we have to make another pass. Call select_reload_regs. Free memory
12634 starting with reload_firstobj when starting another pass.
12635 Don't allocate spilled_pseudos.
12636 (calculate_needs_all_insns): Call copy_reloads for an insn that
12637 needs reloads; don't call calculate_needs.
12638 (spill_cost): New static array.
12639 (used_spill_regs_local): New static variable.
12640 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12641 to compute potential_reload_regs.
12642 (find_reload_regs): Completely rewritten to use find_reg.
12643 (allocate_reload_reg): Don't test counted_for_groups or
12644 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12645 all cllers changed.
12646 (choose_reload_regs): Add fallback code that uses the existing
12647 register allocation from find_reload_regs.
12649 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12651 * flow.c (create_edge_list): Cast xmalloc return value.
12653 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12655 * doprnt.c: Remove incorrect comment closure.
12657 * cse.c: Fix a few minor whitespace goofs.
12659 1999-12-13 Don Bowman <don@pixstream.com>
12661 * mips/vxworks.h: Fix problem with comment termination.
12662 (EXTRA_SECTIONS): Add in_sbss.
12663 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12665 1999-12-12 David S. Miller <davem@redhat.com>
12667 * cse.c (struct cse_reg_info): Add hash_next member,
12668 reorder rest of struct for better packing on 64-bit
12670 (cse_reg_info_tree): Kill.
12671 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12672 REGHASH_FN): New custom pow2 hash mechanism.
12674 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12675 use a pow2 hash table.
12676 (get_cse_reg_info): Rework to use new REGHASH.
12677 (new_basic_block): Likewise, use HASH_SIZE, and inline
12679 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12680 and inline free_element call.
12681 (lookup_as_function, insert, flush_hash_table, invalidate,
12682 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12683 invalidate_for_call, use_related_value, find_comparison_args,
12684 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12685 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12686 get_element): Kill.
12688 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12690 * cse.c (cse_basic_block): Free qty_table consistently.
12692 1999-12-12 David S. Miller <davem@redhat.com>
12693 Jakub Jelinek <jakub@redhat.com>
12695 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12696 SUBREGs by hand, gen the appropriate hard reg directly.
12697 (movtf reg/mem split): Likewise and alter_subreg on destination
12699 (movtf mem/reg split): Similarly.
12700 (movdf_cc_sp64): Rename from hidden pattern.
12701 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12702 (movtf_cc_sp64, following split): New pattern and splitter.
12703 (movdf_cc_reg_sp64): Rename from hidden pattern.
12704 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12706 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12708 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12710 * loop.c (load_mems): Don't hoist written floating point mem
12713 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12715 * except.h (struct eh_queue): Add `next' pointer.
12716 (struct eh_status): Make x_ehqueue a pointer.
12717 (push_ehqueue): Declare.
12718 (pop_ehqueue): Likewise.
12719 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12721 (expand_fixup_region_end): Likewise.
12722 (expand_leftover_cleanups): Likewise.
12723 (push_ehqueue): Define.
12724 (pop_ehqueue): Likewise.
12725 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12726 than doing it inline.
12727 (expand_start_all_catch): Adjust now that ehqueue is a
12729 (mark_eh_queue): Mark all level of the queue.
12730 (mark_eh_status): Adjust now that ehqueue is a
12732 (init_eh_for_function): Allocate ehqueue.
12733 (free_eh_status): Free it.
12734 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12735 expansion for a fixup.
12737 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12739 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12741 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12742 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12743 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12744 function_ptr, getpagesize, __enable_execute_stack,
12745 __enable_execute_stack, __clear_insn_cache,
12746 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12747 _cleanup, _exit, __default_terminate, __terminate_func,
12748 __terminate, __empty, __throw, new_eh_context,
12749 eh_context_initialize, eh_context_static, eh_context_specific,
12750 get_eh_context, __get_eh_context, __get_eh_info,
12751 init_reg_size_table, eh_threads_initialize,
12752 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12753 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12754 __pure_virtual): Add prototype arguments.
12755 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12756 Cast a signed value to unsigned long when comparing against one.
12757 (new_eh_context): Wrap in _GTHREADS macro.
12758 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12760 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12761 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12763 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12765 * combine.c (record_promoted_value): Remove unused variable
12768 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12770 * global.c (record_conflicts): Likewise for `j'.
12772 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12775 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12777 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12778 output_fp_compare): Constify a char*.
12780 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12782 (override_options, ix86_comp_type_attributes, print_operand,
12783 output_387_binary_op, output_fix_trunc, output_fp_compare):
12785 (ix86_sched_reorder): Mark parameter `clock_var' with
12788 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12790 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12792 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12793 operand, for use in the Java front-end.
12795 1999-12-10 Ben Collins <bcollins@debian.org>
12797 * configure.in: Fix typo for "-64" in 64bit as check.
12798 * configure: Rebuilt.
12800 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12802 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12805 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12807 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12808 concatenation is utilized.
12810 * invoke.texi (-Wtraditional): Document it.
12812 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12814 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12815 Cast a ptrdiff_t to long and pass it to printf with %ld.
12817 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12819 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12820 68881, we have no 68881 registers at all.
12821 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12822 value in a 68881 register if it is available.
12824 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12826 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12827 for long long multiply-accumulate.
12829 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12831 * loop.c (insert_loop_mem): Undo last change.
12833 1999-12-10 David S. Miller <davem@redhat.com>
12835 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12837 * config/sparc/sparc-protos.h: Add them.
12838 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12839 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12840 constraints which use those helpers.
12841 (EXTRA_CONSTRAINT): Use this new macro.
12842 * md.texi: Update sparc target constraints documentation.
12843 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12844 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12845 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12846 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12847 (movsf high/lo_sum split): Rework for new patterns.
12848 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12850 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12852 * c-common.c (c_common_nodes_and_builtins):
12853 Create __builtin_ptrdiff_t and __builtin_size_t.
12855 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12857 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12859 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12861 * regclass.c (globalize_reg): Re-instate test that allows
12862 fixed registers to be declared as a variable even after functions
12865 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12867 * i386.md (cpu attribute): Add "athlon".
12868 (athlon_decode): New attribute.
12869 (Athlon scheduling units definitions): New.
12870 (fcmp and shld patterns): Set athlon_decode to "vector".
12871 * i386.c (athlon_cost): New.
12873 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12874 x86_use_sahf): Set for Athlon.
12875 (x86_use_fiop): Unset for Athlon.
12876 (override_options): Define Athlon alignments and "athlon" name.
12877 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12878 * i386.h (TARGET_ATHLON): New.
12879 (enum processor_type): Add PROCESSOR_ATHLON.
12880 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12882 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12884 1999-12-09 Andreas Jaeger <aj@suse.de>
12886 * loop.c (record_biv): Declare parameter as int.
12888 * config/i386/i386-protos.h: Declare long_memory_operand.
12890 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12892 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12893 EXPR_WITH_FILE_LOCATION.
12895 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12897 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12900 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12902 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12905 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12907 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12908 default on linux64 again.
12909 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12910 models for multilibing.
12911 * genmultilib: Accept | as alternative separator within a set in
12914 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12916 * calls.c (precompute_arguments): Make sure initial_value contains
12917 value pseudo which CSE expects.
12918 * cse.c (struct set): New entry orig_src.
12919 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12922 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12924 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12926 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12928 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12930 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12932 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12933 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12935 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12938 * longlong.h: Merge in changes from glibc.
12939 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12940 -mno-app-regs libgcc can be compiled.
12941 * libgcc2.c: Add defines so that the updated longlong.h
12942 can be used in libgcc2.a. Also, make sure on most architectures
12943 (at least on all which have optimized code in longlong.h defined
12944 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12946 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12948 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12949 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12950 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12952 * configure: Rebuilt.
12954 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12956 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12957 outputs require a register.
12959 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12961 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12962 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12963 functions like dptoul will be resolved.
12964 (libgcc2.a): Make sure that the object files from DPBIT are named
12965 differently (prefix `_dp') from those that would be coming from
12968 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12970 * configure.in: When target is sparc* and tm_file contains 64,
12971 test for 64bit support in assembler. If not supported, remove
12972 sparc/t-sol2-64 from target-dependent Makefile fragments.
12973 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12974 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12975 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12976 * acconfig.h (AS_SPARC64_FLAG): Added.
12977 * configure, config.in: Rebuilt.
12978 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12979 support. Use AS_SPARC64_FLAG.
12981 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12983 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12984 suitable for holding OFmode values so that gcc works with complex
12986 (hard_64bit_mode_classes): Likewise.
12988 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12989 so that it is actually matched.
12990 (sethi_di_medlow): Likewise.
12992 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12993 as legitimate constant if -mvis.
12994 * config/sparc/sparc.md (movtf): Likewise.
12995 (clear_sf): Use const_double_operand.
12996 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12998 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12999 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13000 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13001 routines, _Qp_* cannot be handled like that now.
13002 (INIT_TARGET_OPTABS): Likewise.
13003 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13004 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13005 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13006 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13007 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13008 divtf3, sqrttf3): New expanders.
13009 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13010 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13011 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13014 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13015 * configure: Rebuilt.
13016 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13017 -mcpu is given and we're doing 64bit compiles.
13019 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13021 * loop.h (struct induction): Add multi_insn_incr.
13022 * loop.c (basic_induction_var): New multi_insn_incr argument.
13023 Set it if we search back through previous insns for the biv.
13024 (record_biv): New multi_insn_incr argument; fill in struct induction.
13025 (strength_reduce): Discard an iv with multiple bivs, any of
13026 which require multiple insns to increment.
13028 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13030 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13033 1999-12-06 David S. Miller <davem@redhat.com>
13035 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13036 PROMOTE_FUNCTION_RETURN.
13038 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13040 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13041 and handle REG_UNUSED note on insn.
13043 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13044 inner_mask instead of mask.
13046 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13048 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13049 zero if there was an error.
13051 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13053 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13056 * longlong.h: Fix clobbers in SPARC asm statements.
13058 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13059 valid sethi operations when TARGET_ARCH64.
13061 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13062 always use move_by_pieces to avoid infinite recursion.
13063 (restore_fixed_argument_area): Likewise.
13065 * combine.c (check_promoted_subreg, record_promoted_value): New
13067 (combine_instructions): Use them to retain nonzero and sign bit
13068 information after SUBREGs are eliminated by optimizations in
13069 this pass if PROMOTE_FUNCTION_RETURN.
13071 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13072 .register declaration. Don't use variables with __ prefixes.
13074 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13076 * fold-const.c (optimize_bit_field_compare): Only use one mode
13077 for both RHS and LHS in non-constant case.
13079 1999-12-06 Nathan Sidwell <nathan@acm.org>
13081 * frame.c (start_fde_sort): Only allocate erratic array, if
13082 linear one was allocated. Return allocated flag.
13083 (fde_insert): Only insert, if there's a valid array.
13084 (fde_end_sort): Split, sort and merge if linear and erratic
13085 arrays exist, else just sort linear one.
13086 (search_fdes): New function. Linear search through original fde
13088 (frame_init): Permit multiple initializations. Cope with
13090 (find_fde): Fallback on linear search, if failed to sort array.
13091 (__deregister_frame_info): Only free sorted array, if we
13094 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13096 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13098 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13100 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13102 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13104 * tree.h (special_function_p): Declare.
13105 * calls.c (special_function_p): Make it global. Don't take `name'
13106 as a parameter. Fix typo in 1999-11-28 change.
13107 (expand_cal): Adjust.
13109 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13111 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13112 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13113 EXPR_WFL_FILENAME_NODE.
13114 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13116 * print-tree.c (print_note): Print TREE_PRIVATE and
13119 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13120 the original die cannot be found.
13122 * varray.h (varray_head_tag): Add elements_used.
13123 (VARRAY_PUSH): New macro.
13124 (VARRAY_POP): Likewise.
13125 (VARRAY_TOP): Likewise.
13126 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13128 * varray.c (varray_init): Initialize elements_used.
13129 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13130 (INTEGRATE_H): New variable.
13131 (integrate.o): Depend on INTEGRATE_H.
13132 (unroll.o): Likewise.
13134 * function.h (insert_block_after_note): Declare.
13135 * function.c (insert_block_after_note): Split out from ...
13136 (retrofit_block): ... here.
13138 * stmt.c (expand_fixup): Fix typo in comment.
13140 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13142 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13143 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13144 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13145 (regmove_optimize, fixup_match_1): Likewise.
13147 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13149 * flow.c (flow_loops_dump): Add missing argument when calling
13150 flow_loop_nested_p.
13152 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13153 Greg McGary <gkm@gnu.org>
13155 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13156 (init_attributes): Add A_NO_LIMIT_STACK.
13157 (decl_attributes): Handle A_NO_LIMIT_STACK.
13158 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13159 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13160 Handle stack bounds checking.
13161 * flags.h (flag_stack_check): Use the word 'probe' rather than
13162 'check', because the flag doesn't actually cause any checking to
13164 * function.c (expand_function_start): Set
13165 current_function_limit_stack.
13166 * function.h (struct function): Add limit_stack.
13167 (current_function_limit_stack): Define.
13168 * invoke.texi (Code Gen Options): Document new options.
13169 * rtl.h: Declare stack_limit_rtx.
13170 * toplev.c (stack_limit_rtx): New variable.
13171 (decode_f_option): Handle new options -fstack-limit-register=REG,
13172 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13173 (main): Add stack_limit_rtx as GC root.
13174 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13175 (struct tree_decl): New member no_limit_stack.
13177 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13179 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13180 (conditional_trap+1): Get new mnemonic correct.
13181 (conditional_trap+2): New pattern for DImode traps.
13183 * config/m68k/m68k.c (output_function_prologue): Handle
13185 * config/m68k/m68k.md (trap): New insn.
13186 (conditional_trap): New insn.
13187 * md.texi (Standard Names): Document `trap' and
13188 `conditional_trap'.
13189 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13190 so a cc0 setter doesn't get emitted at some random place in the
13193 * config/i960/i960.md (trap): New insn.
13194 (conditional_trap): New expander.
13195 (conditional_trap+1, conditional_trap+2): New insns for signed
13196 and unsigned cases.
13197 * config/i960/i960.c (i960_function_prologue): Use
13198 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13200 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13201 Geoffrey Keating <geoffk@cygnus.com>
13203 * flags.h (warn_padded, warn_packed): Add global var decls.
13204 * toplev.c (warn_padded, warn_packed): Add global var defns.
13205 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13206 * stor-layout.c (layout_record): Add local variable `type'
13207 to hold often-used TREE_TYPE (field). Add local variable
13208 `unpacked_align' to hold alignment that would be in force
13209 if no `packed' attribute were present. Warn if `packed' attribute
13210 is unnecessary, or even harmful. Warn when gcc inserts padding
13211 to satisfy alignment requirements of members. Use NULL_TREE
13212 when checking whether var_size is set.
13213 * invoke.texi: Document new flags.
13215 1999-12-03 Nathan Sidwell <nathan@acm.org>
13217 * frame.c (fde_split): Reimplement to avoid variable sized array.
13219 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13221 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13222 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13224 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13226 * invoke.texi: Document the mips option -mno-crt0
13228 1999-12-02 Mike Karr <mkarr@mathworks.com>
13230 * cccp.c (argdata): Added free_ptr member.
13231 (macroexpand): Initialize free_ptr of each argument. When an
13232 argument's buffers are freed, if the argument's free_ptr corresponds
13233 to a buffer on the input stack, then return the free_ptr to that stack
13234 frame, otherwise, free it.
13235 (macarg): If an argument begins and ends on the same input stack level,
13236 then transfer the free_ptr of that buffer to the argument in case
13237 the stack is popped during the processing of a subsequent argument.
13239 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13241 * loop.c (note_reg_stored): New function.
13242 (struct note_reg_stored_arg): New structure.
13243 (try_copy_prop): Change to be more conservative; only replace within
13244 one extended basic block and stop replacing if a store to the
13245 replacement reg is seen.
13247 1999-12-02 Nick Clifton <nickc@cygnus.com>
13249 * config/fp-bit.c: Initialise all fields of the NAN
13252 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13255 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13257 * i386.md (extend?f?f2): Force the input into a register, not
13260 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13262 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13264 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13265 alternative because setting up 64bit constant is usually costly,
13266 especially when reload is in progress or completed.
13267 (movdf_const_intreg_sp64): Likewise.
13268 (movdf_const_intreg split): Fix building up constants when
13269 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13271 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13273 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13274 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13277 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13278 (asm_file_start): Emit .am33 into assembly file when compiling for
13280 (print_operand_address): Handle POST_INC addresses.
13281 (can_use_return_insn, initial_offset): Check AM33 registers too.
13282 (expand_prologue): Check & save AM33 registers too.
13283 (expand_epilogue): Similarly.
13284 (secondary_reload_class): Handle AM33 specific secondary reloads.
13285 (output_tst): Emit efficient code for the AM33 too.
13286 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13287 (TARGET_SWITCHES): Add -mam33 switch.
13288 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13289 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13290 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13291 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13292 (enum reg_class, REG_CLASS_NAMES): Likewise.
13293 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13294 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13295 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13296 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13297 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13298 (HAVE_POST_INCREMENT): Define.
13299 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13300 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13301 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13302 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13303 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13304 (zero_extend to SI from QI/HI): Likewise.
13305 (sign_extend to SI from QI/HI): Likewise.
13306 (mulsidi3, umulsidi3): New patterns for the AM33.
13307 (tstsi with zero extension from QI/HI): Add AM33 variants.
13308 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13309 (return_internal_regs, store_movm): Handle new AM33 registers.
13310 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13311 (LIBGCC, INSTALL_LIBGCC): Likewise.
13312 * invoke.texi: Document new flags.
13314 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13316 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13317 (addsi3_carry): Likewise.
13318 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13319 (sbbsi3_carry): Likewise.
13320 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13321 (mulhi3): Likewise.
13322 (test?i_1): Ensure that only one operand is memory.
13323 (conditional move patterns): likewise.
13324 (shift and rotate patterns): Rewrite to expander, add
13325 "binary_operator_ok" to the condition.
13327 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13328 * i386.h (procesor_costs): Add movzbl_load field.
13329 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13330 non-Q registers, accept DImode registers anywhere.
13332 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13333 * i386.c (*_cost): Set value for movxbl_load field.
13335 * (addsi): New add to lea splitter.
13336 (ashlsi): Likewise.
13337 (lea to add/shift peep2): New.
13339 1999-12-01 Mark Salter <msalter@cygnus.com>
13341 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13342 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13343 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13345 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13347 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13348 * i386.md (movsi_xor): New.
13350 (movsi_1, movhi_1, movqi_1): Remove.
13351 (movsi_2): Rename to movsi_1.
13352 (movhi_2): Rename to movhi_1.
13353 (movqi_2): Rename to movqi_1.
13354 (movdi_1): Remove; remove splitter.
13355 (movdi_2): Rename to movdi_1.
13356 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13357 (long move peep2): Do not create QI or HI mode mov0s
13358 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13360 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13363 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13364 (abs?f2_if): Likewise.
13366 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13368 * ggc.h (ggc_test_and_set_mark): New macro.
13369 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13370 (ggc_mark_tree): Likewise.
13371 (ggc_mark_rtvec): Likewise.
13372 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13374 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13376 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13378 (decl_scope_table): Just an array of trees now.
13379 (push_decl_scope): Simplify.
13380 (dwarf2out_init): Adjust.
13381 (local_scope_p): New fn.
13382 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13383 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13384 (gen_typedef_die): Likewise.
13385 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13386 (gen_inlined_subroutine_die): Likewise.
13387 (gen_abstract_function): Set current_function_decl temporarily.
13388 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13389 Handle block extern declarations. Don't call push/pop_decl_scope.
13390 (gen_decl_die): Fix logic for block externs.
13392 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13394 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13395 to the list of functions which have attribute malloc by default.
13397 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13399 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13400 integer constant does not match the traditional type, limit the
13401 warnings to cases where the base of the type is ten.
13403 * invoke.texi (-Wtraditional): Document it.
13405 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13407 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13408 * rs6000.md: Only access a CONST_INT with INTVAL
13410 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13412 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13413 (compute_nearerout): Likewise.
13414 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13415 size_t to unsigned long for formatting.
13417 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13419 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13420 Allow the user to override call-used/fixed state of %g2-5
13421 registers from the command line (with the exception of %g4 for
13423 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13424 there is a higher chance of having a leaf function.
13425 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13426 for ARCH64 which has %ccr register.
13427 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13429 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13430 insn accept into delay slot any insn which does not use %[ol]
13431 registers. Accept some LO_SUM and shift left by 1 for the normal
13433 (output_function_epilogue): Likewise.
13434 (epilogue_renumber): Added argument which inhibits any renumbering
13435 and just tests if the rtx does not use any %[ol] registers.
13436 (output_return): Reflect above change.
13438 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13440 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13441 aggregate passing for sizes <= 16 bytes.
13443 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13445 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13446 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13447 * reload.c (find_dummy_reload): Likewise.
13448 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13449 * reload1.c (reload_as_needed): Likewise.
13450 * stupid.c (stupid_find_reg): Likewise.
13451 * tm.texi (Obsolete Register Macros): Delete section.
13452 * gmicro.h: Remove all traces of the two macros.
13453 * i386.h: Likewise.
13454 * m88k.h: Likewise.
13455 * mips.h: Likewise.
13457 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13459 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13460 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13461 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13462 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13463 units for the sparclite86x chip.
13464 (flush): Revert October 14th change; add SImode specifically.
13465 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13466 * invoke.texi: Document it.
13468 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13470 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13471 psimode_truncation_operand.
13473 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13474 function. Return true if the operand is either a MEM valid
13475 for a PSImode address or not a MEM at all.
13477 * config/mn10200/mn10200.md (truncsipsi2): Use
13478 psimode_truncation_operand.
13480 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13482 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13483 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13484 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13485 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13486 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13487 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13488 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13489 * basic-block.h: Protect from multiple inclusion.
13490 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13491 (struct loops, struct loop): Define structures.
13492 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13493 * sbitmap.h: Protect from multiple inclusion.
13494 (sbitmap_a_subset_b_p): Add prototype.
13495 * Makefile.in (LOOP_H): New macro.
13496 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13498 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13500 * cppinit.c (CAT): The argument list of this macro may not contain
13503 1999-11-29 David S. Miller <davem@redhat.com>
13505 Move quantity tables and register equivalence chains into
13506 per-qty and per-register structure arrays respectively.
13507 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13508 qty_const_insn, qty_comparison_code, qty_comparison_const,
13509 qty_comparison_qty): Delete, replace with...
13510 (qty_table): this structure table.
13511 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13512 (reg_eqv_table): this structure table.
13513 (make_new_qty): Add argument MODE. Caller updated.
13514 Update to use qty_table and reg_eqv_table.
13515 (make_regs_eqv, delete_reg_equiv, insert_regs,
13516 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13517 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13518 cse_process_notes, cse_main, cse_basic_block): Likewise.
13520 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13522 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13523 operation if C is negative.
13524 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13525 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13526 law for some divisions if constant is negative and change other
13527 divisions to the opposite rounding.
13529 * expr.c (store_constructor_field): If bit position is not multiple
13530 of alignment of TARGET's mode, use BLKmode.
13532 * expr.c (expand_expr_unaligned): Add more code from full case
13533 that is needed when OP0 is in a register.
13535 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13537 * dwarfout.c (field_byte_offset): Size can be zero if there was
13540 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13542 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13543 (associate_trees): Delete unused var TEM.
13544 (extract_muldiv): Delete unused var CANCEL_P.
13546 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13547 (target_isinf, target_isnan, target_negative): Add return types to
13548 function definitions.
13550 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13552 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13553 * fixinc/hackshell.tpl: ditto
13554 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13555 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13557 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13559 * reload.c (push_reload): When looking for a register to put into
13560 reg_rtx, make sure all hard regs in a multi-reg register are in the
13561 right class and nonfixed.
13563 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13564 pending_read_insns, pending_write_insns, pending_read_mems,
13565 pending_write_mems, pending_list_length, last_pending_memory_flush,
13566 last_function_call, sched_before_next_call): Move static variables
13568 (bb_ prefixed versions): Replace with single array bb_deps.
13569 (struct deps): New structure.
13570 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13571 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13572 argument of type "struct deps *"; use that instead of global
13573 variables. All callers changed.
13574 (init_rgn_data_dependencies): Delete function.
13575 (init_rtx_vector): Delete function.
13576 (init_deps): New function.
13578 (free_pending_lists): Simplify, we always use the bb_deps array even
13579 if only one basic block.
13580 (compute_block_backward_dependences): Likewise.
13581 (schedule_region): Likewise.
13583 (propagate_deps): New function, broken out of
13584 compute_block_backward_dependences.
13585 (compute_block_backward_dependences): Use it.
13587 * alpha.md: Delete useless patterns that tried to work around
13588 register elimination problems.
13590 * unroll.c (loop_iterations): Don't abort if iteration variable
13593 From Joern Rennecke:
13594 * reload1.c (reloads_conflict): Reverse test comparing operand
13595 numbers when testing for conflict between output/outaddr reloads.
13597 1999-11-29 David S. Miller <davem@redhat.com>
13599 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13601 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13603 1999-11-28 Robert Lipe <robertl@cygnus.com>
13605 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13606 table from .fini into .dtor.
13608 1999-11-28 Anthony Green <green@cygnus.com>
13610 * tree.h (struct tree_decl): Add malloc_flag.
13611 (DECL_IS_MALLOC): Define.
13612 * c-common.c (attrs): Add A_MALLOC attribute.
13613 (init_attributes): Add this attribute to the table.
13614 (decl_attributes): Handle malloc attribute.
13615 * calls.c (special_function_p): Check for the malloc attribute.
13616 * extend.texi (Function Attributes): Document malloc attribute.
13618 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13620 * pa.md (reload shift-add patterns): Remove.
13622 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13624 * reorg.c (dbr_schedule) Print more statistics. Corrected
13625 problem when printing info when 3 delay slots are filled.
13627 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13629 * combine.c (setup_incoming_promotions): Pass an outgoing
13630 regno to FUNCTION_ARG_REGNO_P which it expects.
13632 1999-11-28 Andreas Jaeger <aj@suse.de>
13634 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13636 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13638 * cccp.c (do_include): Avoid initialization of automatic variable.
13640 * integrate.c (mark_stores): Function definition made void, to match
13641 previous declaration.
13642 * regclass.c (dump_regclass): Ditto.
13643 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13645 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13647 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13648 known to be multiple of divisor.
13650 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13652 * combine.c (try_combine): Add code to try to merge a set of a
13653 two-word pseudo to a constant with a setting of one of those words
13656 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13657 (split_tree): Completely rework to make more general.
13658 (make_range, fold): Call negate_expr.
13659 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13660 (fold, associate): Call new split_tree and associate_trees.
13661 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13663 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13665 * loop.c (try_copy_prop): Avoid GNU C extension.
13667 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13669 * except.c (init_eh_for_function): Still zero eh_return_context,
13670 eh_return_stack_adjust, and eh_return_handler.
13672 * except.h (eh_status): Adjust documentation for x_protect_list.
13673 (begin_protect_partials): New function.
13674 * except.c (enqueue_eh_entry): Fix formatting.
13675 (get_first_handler): Add consistency check.
13676 (add_partial_entry): Adjust usage of protect_list.
13677 (emit_cleanup_handler): Save and restore ehqueue.
13678 (expand_start_all_catch): Add comment.
13679 (begin_protect_partials): New function.
13680 (end_protect_partials): Adjust usage of protect_list.
13681 (init_eh_for_function): Use xcalloc.
13683 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13685 * c-common.c (check_format_info): Don't call a variadic function
13686 with a non-literal format string.
13688 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13690 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13691 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13694 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13697 * collect2.c (collect_wait): Likewise.
13699 * dbxout.c (dbxout_type): Likewise.
13701 * gcc.c (do_spec_1): Likewise.
13703 * genemit.c (gen_insn, gen_expand): Likewise.
13705 * genrecog.c (write_switch, write_subroutine): Likewise.
13707 * mips-tfile.c (catch_signal, botch): Likewise.
13709 * print-rtl.c (print_rtx): Likewise.
13711 * toplev.c (default_print_error_function, report_error_function,
13712 _fatal_insn): Likewise.
13714 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13716 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13718 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13720 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13721 operations when needed.
13722 * i386.md (fop_?f_comm): New.
13723 (fop_?f_1): Do not accept commutative operands.
13725 1999-11-25 Andreas Jaeger <aj@suse.de>
13727 * config/mips/mips.md (casesi_internal): Add missing brace.
13729 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13731 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13732 (splice_child_die): Handle moving a child DIE from the declaration
13733 DIE of a class to its specification.
13734 (gen_struct_or_union_type_die): Use 'complete' consistently.
13735 (gen_decl_die): Generate the virtual context DIE first.
13736 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13738 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13740 * config/mips/mips.md (call_value_multiple_interanal1): New.
13742 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13744 * dwarf2out.c (free_AT, free_die): New fns.
13745 (remove_children): Call them.
13746 (output_line_info): Disable removal of duplicate notes.
13748 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13749 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13750 means pretend the type isn't defined.
13751 Don't defer emitting types.
13752 (gen_type_die_for_member): New fn.
13753 (gen_decl_die): Call it.
13754 (splice_child_die): New fn.
13755 (gen_member_die): Call it rather than generate duplicate dies.
13757 Defer emitting information for the abstract instance of an inline
13758 until we either inline it or emit an out-of-line copy.
13759 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13760 from output_inline_function if DECL_ABSTRACT is also set.
13761 (block_ultimate_origin): Likewise.
13762 (gen_abstract_function): New fn.
13763 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13764 (gen_subprogram_die): An abstract instance is not a declaration
13765 just because it doesn't match current_function_decl. Don't abort
13766 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13767 has an abstract origin.
13768 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13769 abstract instance here.
13771 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13773 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13774 where we need to reload fpul from a system register.
13776 1999-11-24 Andreas Jaeger <aj@suse.de>
13778 * config/mips/linux.h (CPP_PREDEFINES): Added.
13779 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13781 1999-11-24 Andreas Jaeger <aj@suse.de>
13783 * config/mips/linux.h (TARGET_VERSION): Added.
13784 (HANDLE_SYSV_PRAGMA): Added.
13785 (DEFAULT_VTABLE_THUNKS): Added.
13787 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13789 * local-alloc.c (qty): New structure and static variable.
13790 (qty_phys_reg): Remove, all references changed to qty.
13791 (qty_n_refs): Likewise.
13792 (qty_min_class): Likewise.
13793 (qty_birth): Likewise.
13794 (qty_death): Likewise.
13795 (qty_size): Likewise.
13796 (qty_mode): Likewise.
13797 (qty_n_calls_crossed): Likewise.
13798 (qty_alternate_class): Likewise.
13799 (qty_changes_size): Likewise.
13800 (qty_first_reg): Likewise.
13801 (alloc_qty): Rename variable QTY to QTYNO.
13802 (finf_free_reg): Likewise.
13803 (local_alloc): Allocate qty, do not allocate the removed variables.
13805 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13807 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13808 when -membedded-pic is passed.
13810 * config/mips/mips.md (casesi): Handle 64-bit case too.
13811 (casesi_internal_di): New insn.
13813 * config/mips/mips.c (embedded_pic_offset): Always make the
13814 embedded-pic subtractions relative to the name of the current
13815 function by use of the magic string "..CURRENT_FUNCTION".
13816 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13818 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13820 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13821 of (const_int 0), when what we really care about is
13822 whether it's a zero constant anyway.
13823 (div_trap_mips16): Likewise.
13825 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13827 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13828 unroll_block_trees when generating debuggable code.
13830 * tree.h (unsave_expr_1): New function.
13831 (lang_unsave): New variable.
13832 (get_callee_fndecl): New function.
13833 * tree.c (unsave_expr_now_r): New function.
13834 (lang_unsave): Define.
13835 (unsave_expr_1): Likewise.
13836 (unsave_expr_now_r): Split out from unsave_expr_now.
13837 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13838 call unsave_expr_now_r.
13839 (get_callee_fndecl): Define.
13841 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13842 (gencheck.o): Do depend on lang_tree_files.
13844 * integrate.h (copy_decl_for_inlining): New declaration.
13845 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13846 (copy_decl_for_inlining): New function.
13847 (integrate_parm_decls): Use it.
13848 (integrate_decl_tree): Likewise.
13850 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13852 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13853 the second two from the first.
13854 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13855 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13856 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13858 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13859 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13862 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13864 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13865 needed on the address operand.
13866 * pa.c (call_operand_address): Check for the correct mode.
13868 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13870 * loop.c: Include "basic-block.h".
13871 (try_copy_prop, replace_loop_reg): New functions.
13872 (load_mems): Detect registers that just hold copies of the hoisted
13873 mem, and call try_copy_prop to eliminate them.
13874 * Makefile.in (loop.o): Update dependencies.
13876 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13878 * Makefile.in (gencheck.o): Depend on gencheck.h.
13879 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13880 (insn-peep.o): Depend on except.h and function.h.
13881 (insn-attrtab.o): Depend on RECOG_H.
13882 (insn-output.o): Depend on toplev.h and flags.h.
13883 (gengenrtl.o): Depend on real.h.
13884 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13885 Unify all dependencies to be on RECOG_H rather than recog.h.
13887 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13889 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13890 * configure.in: Try building a bi-arch 32/64-bit compiler on
13891 sparc-*-solaris2.7 and higher.
13892 * configure: Rebuild.
13894 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13896 * config/freebsd.h: New, FreeBSD architecture independent file.
13897 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13898 independent pieces.
13899 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13900 directly by i386/freebsd.h.
13901 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13902 independent configuration file.
13903 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13904 directly by i386/freebsd.h.
13905 * configure: Rebuilt.
13907 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13908 which is in the user's namespace.
13909 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13910 `i386' which is not in our namespace.
13912 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13914 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13916 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13918 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13919 (add_dwarf_attr, add_child_die): Just push onto the front.
13920 (reverse_die_lists): New fn.
13921 (add_sibling_attributes): Use it.
13922 (push_decl_scope): Reorganize.
13923 (add_name_and_src_coords_attributes): Don't set file and line for
13924 an artificial decl.
13925 (gen_subprogram_die): An artificial function doesn't need to match
13927 (gen_compile_unit_die): Return the generated die. Only add
13928 AT_comp_dir if the filename is relative.
13929 (remove_AT): Simplify loop. Also free string values.
13930 (output_die): A DIE ref can't be null.
13931 (output_value_format, value_format): Take a dw_attr_ref.
13932 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13933 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13934 AT_addr, AT_lbl): New fns.
13935 (various): Use them.
13936 (various): Constify.
13938 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13940 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13941 take SUBREG_WORD into account.
13942 (if_then_else_cond): Likewise.
13944 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13946 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13947 clause from BSD license, pursuant with
13949 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13951 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13953 * loop.c (load_mems): Reformat slightly.
13954 * basic-block.h (regset_head): New typedef.
13955 (INIT_REG_SET): New macro.
13957 1999-11-22 Bruce Korb <autogen@linuxbox.com
13959 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13960 (mips-dec-bsd*): non-functional code
13961 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13963 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13964 added three replacement fixes
13965 (no_double_slash): removed comments that are not (any longer) pertinent
13966 (bad_lval): this fix currently runs against many files.
13967 The comment seems to indicate that we should select for files
13968 containing 'pragma extern_prefix'.
13970 * fixinc/fixinc.x86-linux-gnu: deleted
13971 * fixinc/inclhack.sh: regen
13972 * fixinc/fixincl.x: regen
13973 * fixinc/fixincl.sh: regen
13975 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13977 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13978 its code is INSN and it has no notes.
13980 1999-11-22 Andrew Haley <aph@cygnus.com>
13982 * varasm.c (function_defined): Remove.
13983 (make_function_rtl): Don't set function_defined.
13984 (make_decl_rtl): Remove global register warning.
13985 * regclass.c (no_global_reg_vars): New variable.
13986 (globalize_reg): Warn if function has already been defined.
13987 (regclass_init): Set no_global_reg_vars.
13989 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13991 * regclass.c (reg_pref): New structure and static variable
13992 (prefclass): Delete.
13993 (altclass): Delete.
13994 (all uses of prefclass and altclass): Use reg_pref instead.
13996 1999-11-21 Nick Clifton <nickc@cygnus.com>
13998 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14000 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14001 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14002 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14004 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14006 * varasm.c (output_constructor): Solve problem with long long
14007 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14009 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14011 * global.c (allocno): New structure and static variable.
14012 (allocno_reg): Remove, all references replaced by allocno.
14013 (allocno_size): Likewise.
14014 (hard_reg_conflicts): Likewise.
14015 (hard_reg_preferences): Likewise.
14016 (hard_reg_copy_preferences): Likewise.
14017 (hard_reg_full_preferences): Likewise.
14018 (regs_someone_prefers): Likewise.
14019 (allocno_calls_crossed): Likewise.
14020 (allocno_n_refs): Likewise.
14021 (allocno_live_length): Likewise.
14022 (find_reg): Rename ALLOCNO to NUM.
14024 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14025 references updated.
14026 (may_move_out_cost): New variable.
14027 (init_reg_sets_1): Initialize may_move_out_cost.
14028 (record_reg_classes): Use may_move_out_cost.
14030 * regclass.c (dump_regclass): New function.
14031 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14032 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14033 pass rtl_dump_file to regclass.
14034 * rtl.h (regclass): Update prototype.
14036 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14038 * i386.md (neg, not and abs patterns): Revmap to use
14039 ix86_expand_unary_operator and ix86_unary_operator_ok.
14040 (add?f and sub?f expanders): Force operand 1 to register.
14041 * i386.c (ix86_expand_unary_operator): Rewrite.
14042 (ix86_unary_operator_ok): Ensure that memory operands
14044 (ix86_binary_operator_ok): Do not allow operand 1 to
14045 come into memory and operand 0 not.
14046 (ix86_expand_binary_operator): Ensure that
14047 src1 is not non-matching memory.
14049 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14050 to support integer registers and memory.
14051 (abss?2_integer): Likewise.
14053 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14054 (REG_CLASS_NAMES): Likewise.
14055 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14057 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14058 (movsf): Likewise; unify 4th and 5th alternative.
14059 (pushdf): Likewise.
14060 (movdf_1): Likewise; rename to movdf_integer.
14061 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14062 remove redundant splitter.
14063 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14064 (movdf_nointeger): New.
14065 (movxf_nointeger): New.
14066 (pushxf_nointeger): New.
14068 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14069 memory operands in patterns.
14070 (fop*): Refuse two memory operands.
14072 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14073 on !TARGET_USE_CLTD CPUs.
14075 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14077 * extend.texi: Document C++ restricted pointers and references.
14079 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14081 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14082 (invalidate_skipped_set): Call it unconditionally.
14083 (cse_set_around_loop): Likewise.
14085 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14087 * rtl.texi (mem): Add documentation for alias-set argument
14090 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14092 * i386.h (struct_processor_costs): New fields int_load, int_store,
14093 fp_move, fp_load and fp_store
14094 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14096 (MEMORY_MOVE_COST): New macro.
14097 * i386.c (386_cost): Define new fields.
14098 (i486_cost): Likewise.
14099 (pentium_cost): Likewise.
14100 (pentiumpro_cost): Likewise.
14101 (k6_cost): Likewise.
14103 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14104 Geoffrey Keating <geoffk@cygnus.com>
14106 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14108 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14111 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14112 (TARGET_STRICT_ALIGNMENT): New macro.
14113 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14114 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14115 * invoke.texi (M680x0 Options): Document -mstrict-align.
14117 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14118 Richard Henderson <rth@cygnus.com>
14120 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14121 (ix86_split_long_move): Declare.
14122 * i386.c (split_xf, ix86_split_movdi): Remove.
14123 (ix86_split_to_parts, ix86_split_long_move): New.
14124 * i386.md (dimode move splitters): Use ix86_split_long_move.
14125 (dfmode move splitters): Likewise.
14126 (xfmode move splitters): Likewise.
14127 (movsf_1): Allow F->r.
14128 (movdf_1, movxf_1): Allow F->ro.
14130 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14132 * except.h (struct eh_entry): Add goto_entry_p.
14133 (eh_region_from_symbol): Remove prototype.
14134 * except.c (find_func_region_from_symbol): New function.
14135 (emit_cleanup_handler): Likewise.
14136 (eh_region_from_symbol): Make it static.
14137 (add_new_handler): Verify the argument.
14138 (find_func_region): Update comment.
14139 (expand_eh_region_end): Expand handlers here, rater than waiting
14140 until expand_leftover_cleanups or start_all_catch.
14141 (expand_leftover_cleanups): Don't expand here.
14142 (expand_start_all_catch): Or here.
14143 (expand_rethrow): Check the return value from find_func_region.
14144 * function.c (expand_function_end): Emit the catch_clauses.
14146 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14148 * integrate.c (expand_inline_function): Add necessary check for NULL.
14150 1999-11-18 Nick Clifton <nickc@cygnus.com>
14152 * toplev.c (main): Correctly detect an unrecognised option.
14154 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14155 a -f option if it has not been recognised.
14157 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14159 * basic-block.h (update_life_extent): Remove trailing comma on
14160 enumeration type list.
14162 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14164 * varasm.c (output_constructor) Solved problem with long long
14165 bitfields. Corrected calculating this_time and shift. Also
14166 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14168 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14170 * flow.c (split_edge): Take looping structure into account when
14171 determining where to put the new block note.
14173 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14175 * Makefile.in (ggc-none.o): Provide host specific version if
14178 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14180 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14181 containing subregs too.
14183 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14185 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14186 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14187 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14188 (text_section): Add switches -munint-const-in-rodata and
14189 -mno-uninit-const-in-rodata.
14190 (ASM_OUTPUT_COMMON): Remove.
14191 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14192 const objects should be placed in read-only data. Otherwise declare
14195 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14197 * jump.c (jump_optimize_1): Revert last change.
14199 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14201 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14202 test if optimizing for size.
14204 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14206 * Makefile.in (toplev.o): Depend on except.h.
14207 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14209 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14211 * i386.md (divmodsi4): Rewrite to expander.
14212 (*divmodsi4_nocltd): New.
14213 (*divmodsi4_cltd): New.
14214 (divmodsi4 splitter): Handle the case when input comes in edx.
14215 (udivmodhi4): Do not use constraints in exander.
14216 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14218 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14220 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14221 for the common case.
14223 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14225 * explow.c (hard_function_value): Add outgoing argument.
14226 * expr.h (hard_function_value): Declare it.
14227 * calls.c (expand_call, emit_library_call_value): Update callers.
14228 * function.c (aggregate_value_p): Ditto.
14229 (diddle_return_value): Must look at the outgoing registers
14230 on archs with register windows.
14232 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14234 * alpha.c (alpha_build_va_list): Use make_lang_type and
14235 initialize TYPE_NAME for the va_list record.
14237 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14239 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14241 * ggc.h (struct ggc_statistics): Rearrange elements for better
14242 packing on 64-bit hosts.
14243 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14244 (compute_nearerout): Likewise.
14246 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14248 * config/rs6000/rs6000.c (first_reg_to_save): Save
14249 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14251 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14253 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14254 notion of nesting to find the DIE for a type or function.
14255 DIEs can go in limbo even if we got a context_die.
14256 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14257 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14259 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14260 (gen_type_die): Writing out the context doesn't cause member class
14261 template instantiations to be written out as well.
14263 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14265 * rs6000.h (ASM_OUTPUT_DEF): New.
14266 Based on proposed addition from David Edelsohn.
14268 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14269 Bruce Korb <autogen@linuxbox.com>
14271 * fixinc/inclhack.def
14272 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14273 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14275 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14276 (svr4_endian): enabled with SVR5
14277 (svr4_mkdev): simplified syntax and enabled with SVR5
14279 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14281 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14282 * configure: Rebuilt.
14283 * config/t-freebsd-thread: New file.
14285 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14287 * i386.c (ix86_decompose_address): Verify the base is a REG
14288 before trying to examine its register number.
14290 * basic-block.h: Remove all #defines and prototypes related to
14292 (free_bb_mem, compute_preds_succs): Remove prototype.
14293 * rtl.h (free_bb_mem): Remove prototype.
14294 * flow.c (alloc_int_list_node); Remove function.
14295 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14296 (compute_preds_succs, free_bb_mem): Likewise.
14297 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14298 * toplev.c (rest_of_compilation): Likewise.
14299 * haifa-sched.c (build_control_flow): Use flow generated edge
14300 list to build the haifa specific edge list.
14301 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14302 (schedule_insns): Do not build pred/succ lists anymore. Instead
14303 build the edge table.
14305 * basic-block.h (dump_bb_data): Remove declaration.
14306 * flow.c (dump_bb_data): Remove function.
14307 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14308 (sbitmap_union_of_predsucc): Likewise.
14310 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14311 argument. All callers changed.
14312 (delete_null_pointer_checks_1): No longer need to compute the
14315 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14316 All callers changed.
14317 (pre_expr_reaches_here_p_work): Likewise.
14318 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14319 * lcm.c (compute_laterin): Fix initialization of LATER.
14320 (compute_nearerout): Similarly for NEARER.
14322 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14324 * cse.c (set_nonvarying_address_components): Delete unused function.
14325 (refers_to_p): Likewise.
14327 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14329 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14332 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14334 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14335 definition in do while (0).
14337 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14339 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14341 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14343 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14345 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14347 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14348 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14349 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14350 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14352 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14353 saved on the stack. Output more accurate stack frame statistics
14354 into assembler file.
14356 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14358 * genextract.c (record_insn_name): New function.
14359 (get_insn_name): No longer a stub.
14360 (main): Call record_insn_name for each insn. After each label
14361 written, print the insn name in a comment.
14363 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14365 * output.h (const_section, init_section, fini_section): Add
14368 * alpha/elf.h (const_section): Delete declaration.
14370 * svr4.h (const_section): Likewise.
14372 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14374 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14375 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14376 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14378 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14379 variable-sized array bounds.
14381 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14383 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14386 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14388 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14389 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14391 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14393 * cse.c (hash_arg_in_struct): Delete.
14394 (struct table_elt): Delete elt in_struct.
14395 (struct set): Delete elt src_in_struct.
14396 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14397 the corresponding in_struct elts.
14398 (canon_hash): Likewise.
14399 (safe_hash): Likewise.
14400 (find_best_addr): Likewise.
14401 (record_jump_cond): Likewise.
14402 (cse_insn): Likewise.
14404 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14406 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14408 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14411 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14413 * function.c (diddle_return_value): Put back check that the DECL_RTL
14414 for the function is a register.
14416 * function.c (diddle_return_value): Use hard_function_value to
14417 get an rtx suitable for use in the USE/CLOBBER insn.
14419 * global.c (global_conflicts): Update comments.
14420 (record_conflicts): No need to record conflicts between pseudos here.
14422 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14424 * fixinc/fixincl.c: Added verbose levels for status messages
14426 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14428 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14429 operand as argument to expand_and or expand_binop.
14431 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14433 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14434 gcc_add_string_root.
14436 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14438 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14440 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14442 * flow.c (compute_flow_dominators): Initially put all blocks on
14444 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14445 * gcse.c (compute_cprop_avinout): Remove.
14446 (compute_cprop_data): Use compute_available.
14447 (delete_null_pointer_checks_1): Use compute_available.
14449 * basic-block.h (compute_available): Returns a void now.
14450 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14451 to return a value anymore.
14452 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14453 worklists. Fix boundary cases. Compute maximal solutions.
14454 (compute_laterin, compute_nearerout): Similarly.
14456 * dwarf2out.c (add_AT_location_description): Allow
14457 (mem (plus (pseudo) (...)) too.
14459 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14461 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14463 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14464 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14466 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14468 * gansidecl.h: Likewise.
14474 * toplev.h: Likewise.
14476 * tree.c: Likewise.
14478 * tree.h: Likewise.
14480 * varray.c: Likewise.
14482 * varray.h: Likewise.
14484 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14486 * gcov.c (struct arcdata): Add hits and total, remove prob.
14487 (output_branch_counts): New.
14488 (process_args): Set output_branch_counts if -c.
14489 (calculate_branch_probs): Store hits and total instead of
14491 (output_data): Emit counts if output_branch_counts is true.
14492 * gcov.texi (Invoking Gcov): Document -c switch..
14494 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14496 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14497 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14499 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14501 * invoke.texi (C Dialect Options): Add missing builtins from
14502 c-common.c to list.
14503 * extend.texi (Other Builtins): Copy to this list.
14505 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14507 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14508 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14509 redundant bitmap.h.
14511 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14513 * flow.c (compute_flow_dominators): No longer treat basic block 0
14514 or (n_basic_blocks - 1) specially. Clear the AUX field before
14515 starting computation of doms/pdoms. Fix initial state for pdoms.
14517 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14519 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14520 match rtl.o's: added ggc.h and toplev.h
14521 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14522 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14523 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14525 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14527 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14528 from HAVE_DOS_BASED_FILESYSTEM.
14529 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14530 HAVE_DOS_BASED_FILESYSTEM.
14532 (split_directories): Only special-case DOS file names if
14533 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14534 instead of explicit tests. Conditionalize on !VMS.
14535 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14536 tests. Conditionalize on !VMS.
14537 (process_command): Only use make_relative_prefix if !VMS.
14538 (free_split_directories): Conditionalize on !VMS.
14539 (DIR_UP): Conditionalize on !VMS.
14541 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14543 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14545 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14547 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14550 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14552 * invoke.texi (Environment Variables): Document relative path
14554 * gcc.c (DIR_UP): If not defined, define as "..".
14555 (standard_bindir_prefix): New static, holds target location to
14557 (split_directories): New function to split a filename into
14558 component directories.
14559 (free_split_directories): New function, release memory allocated
14560 by split_directories.
14561 (make_relative_prefix): New function, make a relative pathname if
14562 the compiler is not in the expected location.
14563 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14564 can figure out an appropriate prefix from argv[0].
14565 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14566 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14567 STANDARD_BINDIR_PREFIX.
14569 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14571 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14573 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14574 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14575 c4x_secondary_memory_needed) Delete.
14576 (fp_zero_operand): Add mode argument.
14578 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14580 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14581 that is in reload_reg_used.
14583 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14585 * config/arm/arm-protos.h: New file: Prototypes for functions
14586 defined in arm.c and pe.c.
14587 * config/arm/arm.h: Fix compile time warnings.
14588 * config/arm/arm.c: Fix compile time warnings.
14589 * config/arm/pe.h: Fix compile time warnings.
14590 * config/arm/aout.h: Fix compile time warnings.
14592 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14594 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14597 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14598 Add support for subtargets.
14599 Add prototypes for new predicates.
14600 Add scheduling macros.
14602 * config/m32r/m32r.c: Fix compile time warnings.
14603 (int8_operand): New predicate function.
14604 (reg_or_cmp_int16_operand): New predicate function.
14605 (extend_operand): New predicate function.
14606 (m32r_adjust_code): New scheduling function.
14607 (m32r_adjust_priorty): New scheduling function.
14608 (m32r_sched_init): New scheduling function.
14609 (m32r_sched_reorder): New scheduling function.
14610 (m32r_sched_variable_issue): New scheduling function.
14611 (direct_return): New codegen function.
14612 (m32r_not_same_reg): New rtl testsing function.
14614 * config/m32r/m32r.md: Fix compile time warnings.
14615 Add support for pre decrement and post increment memory
14617 Add S<cc> patterns.
14620 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14622 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14623 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14624 (find_reg): Likewise.
14626 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14628 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14629 to avoid assembler errors.
14631 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14633 * config/v850/v850-protos.h: New file: Prototypes for functions
14635 * config/v850/v850.h: Move prototypes to v850-protos.h
14636 * config/v850/v850.c: Move prototypes to v850-protos.h
14637 * config/v850/v850.md: Fix compile time warnings.
14639 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14641 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14642 * config/fr30/fr30.c: Fix compile time warnings.
14643 * config/fr30/fr30.md: Fix compile time warnings.
14645 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14647 * tree.h (get_containing_scope): Declare it.
14648 * tree.c (get_containing_scope): New fucntion.
14649 (decl_function_context): Use it.
14650 * toplev.c (rest_of_compilation): Use get_containing_scope.
14652 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14654 * Makefile.in (rtl.o): Depend on toplev.h.
14656 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14658 * cse.c (delete_trivially_dead_insns): Replace alloca with
14660 * except.c (update_rethrow_references): Likewise.
14661 (init_eh_nesting_info): Likewise.
14662 * function.c (identify_blocks): Likewise.
14663 * gcse.c (dump_hash_table): Likewise.
14664 * graph.c (print_rtl_graph_with_bb): Likewise.
14665 * loop.c (combine_movables): Likewise.
14666 (move_movables): Likewise.
14667 (count_loop_regs_set): Likewise.
14668 (strength_reduce): Likewise.
14669 * profile.c (compute_branch_probabilities): New function, split
14671 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14672 * regclass.c (regclass): Likewise.
14673 * regmove.c (regmove_optimize): Likewise.
14674 * toplev.c (compile_file): Likewise.
14675 (main): Don't mess with the stack rlimit.
14677 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14679 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14680 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14682 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14684 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14686 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14688 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14689 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14692 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14694 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14696 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14698 * gcse.c (post_dominators): Kill.
14699 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14700 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14701 pass in a pdom array since we do not need pdoms.
14702 * haifa-sched.c (schedule_insns): Similarly.
14703 * flow.c (compute_dominators): Remove dead function.
14704 (compute_flow_dominators): Do not compute doms or pdoms if the
14705 caller does not request them. Split up loop to build doms and
14706 pdoms. Use a worklist to compute doms and pdoms.
14707 * basic-block.h (compute_dominators): Remove prototype.
14709 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14711 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14712 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14713 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14714 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14715 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14716 (schedule_region): Remove unused variable.
14717 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14719 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14721 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14722 (update_equiv_regs): Likewise.
14723 (block_alloc): Likewise.
14724 * reg-stack.c (reg_to_stack): Likewise.
14725 (convert_regs_2): Likewise.
14726 * reload1.c (reload_as_needed): Likewise.
14728 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14730 * Makefile.in (dbxout.o): Depend on ggc.h.
14731 (dwarf2out.o): Likewise.
14732 (xcoffout.o): Likewise.
14733 * dbxout.c: Include ggc.h.
14734 (dbxout_init): Register lastfile as a root.
14735 * dwarf2out.c: Include ggc.h.
14736 (dwarf2out_line): Register lastfile as a root.
14737 * xcoffout.c: Include ggc.h.
14738 (xcoffout_source_line): Register xcoff_lastfile as a root.
14740 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14742 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14744 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14746 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14748 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14750 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14752 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14753 (EXECUTE_IF_CONFLICT): Likewise.
14754 (ALLOCNO_LIVE_P): Avoid signed division.
14755 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14756 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14757 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14759 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14761 * haifa-sched.c (schedule_block): Don't crash if there's no
14762 next insn for an interblock movement.
14763 (add_branch_dependences): Don't allow clobber insns to move either.
14765 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14767 * i386.c (split_xf): New.
14768 * i386-protos.h: Declare it.
14769 * i386.md (movxf_1): Add general regs alternatives.
14770 (movxf_1+1): New splitter for same.
14772 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14774 * function.c (purge_addressof_1): Add missing return values.
14776 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14778 * function.c (is_addressof): New function. Returns true if
14779 the given piece of RTL is an ADDRESSOF.
14780 (purge_addressof_1): Make boolean. Return false if the
14781 ADDRESSOFs could not be purged.
14782 (purge_addressof): If ADDRESSOFs could not be purged from the
14783 notes attached to an insn, remove the offending note(s),
14784 unless they are attached to a libcall.
14786 1999-11-05 Andreas Jaeger <aj@suse.de>
14788 * genoutput.c (null_operand =): Initialize all fields.
14790 * errors.h: Add extern to prototypes.
14792 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14794 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14795 * configure: Rebuilt.
14797 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14799 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14800 (mirror_conflicts): New function.
14801 (global_alloc): Call it.
14802 (expand_preferences): Remove redundant CONFLICTP test.
14803 (find_reg, dump_conflicts): Likewise.
14804 (prune_preferences): Process conflicts one word at a time.
14806 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14808 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14809 instead of an explicit loop.
14811 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14813 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14814 if REG_RETVAL check succeeds, then put classp in src_elt.
14816 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14818 * function.c (pad_to_arg_alignment): Only update argument_pad
14819 if the argument's alignment is greater than STACK_BOUNDARY.
14821 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14823 * bitmap.h (BITMAP_XFREE): New.
14824 * flow.c (life_analysis): Use it.
14825 (life_analysis_1): Free blocks.
14827 * combine.c (undo_commit): New.
14828 (try_combine): Use it. Don't zap undobuf.undos.
14829 (combine_instructions): Don't zap undobuf.undos; free the
14830 undobuf.frees list.
14832 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14834 * stmt.c (cost_table_): New.
14835 (estimate_case_costs): Use it instead of xmalloc.
14837 * toplev.c (compile_file): Reuse dumpname memory instead
14840 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14842 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14843 after verifying an EH edge.
14845 * haifa-sched.c (init_rgn_data_dependences): Correctly
14846 size bb_pending_lists_length when zeroing.
14848 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14850 * function.c (diddle_return_value): New.
14851 (expand_function_end): Use it.
14852 * stmt.c (expand_null_return): Likewise.
14853 (expand_value_return): Likewise.
14855 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14857 * reload1.c (reload): Don't remove return value clobbers.
14859 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14861 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14863 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14865 * cse.c (cse_main): Use xmalloc, not alloca.
14866 (cse_basic_block): Likewise.
14867 * local-alloc.c (local_alloc): Likewise.
14869 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14870 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14872 * rtl.c: Include toplev.h.
14873 (fatal): Remove declaration.
14875 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14877 * haifa-sched.c (schedule_block): Fix thinko.
14879 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14881 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14882 S_IR* defined values
14884 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14886 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14887 call `malloc' instead.
14889 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14891 * flags.h (flag_renumber_insns): Declare.
14892 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14894 * rtl.h (renumber_insns): Change prototype.
14895 * toplev.c (flag_renumber_insns): Define.
14896 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14898 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14900 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14901 and fpsqrtd. Use them and create fdiv function unit to more
14902 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14903 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14905 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14907 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14909 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14910 insn into ready list, do not use just a raw swap.
14912 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14914 * rtl.h (renumber_insns): New function.
14915 (remove_unnecessary_notes): Likewise.
14916 * emit-rtl.c (renumber_insns): Define.
14917 (remove_unncessary_notes): Likewise.
14918 * toplev.c (rest_of_compilation): Remove dead code.
14919 Use renumber_insns and remove_unncessary_notes.
14921 * gcse.c (struct null_pointer_info): New type.
14922 (get_bitmap_width): New function.
14923 (current_block): Remove.
14924 (nonnull_local): Likewise.
14925 (nonnull_killed): Likewise.
14926 (invalidate_nonnull_info): Take a null_pointer_info as input.
14927 (delete_null_pointer_checks_1): New function.
14928 (delete_null_pointer_checks): Use it.
14930 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14931 (split_edges): Likewise.
14932 (schedule_block): Likewise.
14933 (compute_block_backward_dependencies): Likewise.
14934 (schedule_region): Likewise.
14935 (schedule_insns): Likewise.
14937 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14939 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14940 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14941 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14942 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14943 * jump.c (delete_unreferenced_labels): Don't delete if
14944 LABEL_ALTERNATE_NAME is set.
14945 * print-rtl.c (print_rtx): Dump alternate name.
14946 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14947 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14948 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14949 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14951 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14953 * fix-header.c (recognized_extern, recognized_function): Constify
14956 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14957 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14958 (compute_available): Remove unused variable `last'.
14959 (compute_nearerout): Remove unused variable `temp_bitmap'.
14960 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14961 Remove unused variable `x'.
14963 * scan.h (recognized_function, recognized_extern): Constify a
14966 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14968 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14970 * varasm.c (decode_rtx_const): Use XSTR to access the string
14973 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14975 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14977 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14979 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14981 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14983 * pa.c (ireg_operand): New function.
14984 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14985 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14986 Fix out of date comment.
14988 * pa.md (negdi2): Turn into expander + anonymous pattern.
14990 * reload.c (find_reloads): Fix typos in recent change.
14992 * dwarf2out.c: Do not include ctype.h.
14994 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14996 * regclass.c (record_reg_classes): Always use may_move_cost when
14997 seeing how operand fits with various register classes.
14999 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15001 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15002 * toplev.c: Revert Nov 1 13:22 change.
15004 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15006 * config/pa/pa.md (height reduction patterns): Add checks for
15007 overlapping operands to avoid semantic-destroying splits for
15008 height reduction patterns.
15010 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15012 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15013 have been an hyphen, fixed.
15014 * configure: Rebuilt.
15016 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15018 * config/arm/tpe.h: Add prototypes for exported functions.
15019 * config/arm/pe.c: Fix compile time warnings.
15020 * config/arm/semi.h: Fix compile time warnings.
15021 * config/arm/arm.c: Fix compile time warnings.
15022 * config/arm/arm.h: Fix compile time warnings.
15023 * config/arm/arm.md: Fix compile time warnings.
15024 * config/arm/thumb.c: Fix compile time warnings.
15025 * config/arm/thumb.h: Fix compile time warnings.
15026 * config/arm/thumb.md: Fix compile time warnings.
15028 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15030 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15033 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15034 completely unrolled.
15036 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15038 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15040 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15042 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15043 * rtl.h (rtx_equal_p): Move prototype.
15044 * rtl.c (rtx_equal_function_value_matters): Move from
15046 (rtx_equal_p): Likewise.
15047 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15048 (rtx_equal_p): Likewise.
15050 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15052 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15053 ! HAS_INIT_SECTION.
15055 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15057 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15059 * pa.h (ADDR_VEC_ALIGN): Define.
15061 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15062 notes when presented with "if (foo) break; end_of_loop" and
15063 the break sequence gets moved out of the loop.
15065 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15066 Remove explicit zero initializations of entries within MAP.
15068 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15070 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15072 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15074 * bitmap.h (BITMAP_XMALLOC): New macro.
15075 * flow.c (CLEAN_ALLOCA): Remove.
15076 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15077 (life_analysis): Likewise.
15078 (update_life_info): Don't use CLEAN_ALLOCA.
15079 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15080 (calculate_global_regs_live): Likewise.
15081 (print_rtl_with_bb): Likewise.
15082 (verify_flow_info): Likewise.
15083 * global.c (global_alloc): Likewise.
15084 (global_conflicts): Likewise.
15085 * integrate.c (save_for_inline_nocopy): Likewise.
15086 (expand_inline_function): Likewise.
15087 * jump.c (jump_optimize_1): Likewise.
15088 (duplicate_loop_exit_test): Likewise.
15089 (thread_jumps): Likewise.
15090 * loop.c (loop_optimize): Likewise.
15091 (combine_givs): Likewise.
15092 (recombine_givs): Likewise.
15093 * reorg.c (dbr_schedule): Likewise.
15094 * unroll.c (unroll_loop): Likewise.
15096 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15098 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15100 * toplev.c (rest_of_compilation): Don't optimize the CFG
15101 when rebuilding, just before dbr.
15103 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15105 * output.h (assemble_end_function, assemble_destructor,
15106 assemble_constructor, assemble_gc_entry, assemble_global,
15107 assemble_label, output_constant_pool) Constify a char*.
15109 * varasm.c (assemble_destructor, assemble_constructor,
15110 assemble_gc_entry, assemble_end_function, assemble_global,
15111 assemble_label, output_constant_pool): Likewise.
15113 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15115 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15116 explaining what is goin on in this function.
15118 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15120 * regclass.c (record_reg_classes): In matching case, recompute
15121 costs since the direction of movement is different.
15123 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15125 * resource.c (mark_target_live_regs): For unconditional branches,
15126 the resources found at the branch target should be added to the
15127 resources found so far, not intersected.
15129 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15131 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15133 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15134 (sys/mman.h): Include this file only if #HAVE_MMAP.
15135 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15136 with automatically concatenated ANSI strings.
15138 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15140 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15141 (DIV_ROUND_UP): Robustify.
15142 (ggc_recalculate_in_use_p): New function.
15143 (release_pages): Don't inline it.
15144 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15146 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15147 (clear_marks): Always save in_use_p.
15148 (sweep_pages): Use ggc_recalculate_in_use_p.
15149 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15150 Release pages before counting statistics.
15152 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15154 * toplev.c (rest_of_compilation): Fix thinko in this change:
15156 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15158 (rest_of_compilation): If inside an inlined external function,
15159 pretend we are just being declared.
15161 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15163 * flow.c (calculate_global_regs_live): Fix thinko.
15165 * integrate.c (expand_inline_function): Fix bugs in previous
15166 change from Oct 28, 1999.
15168 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15170 * stmt.c (expand_value_return): Fix typo in this change:
15172 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15173 (expand_value_return): Correctly convert VAL when promoting function
15174 return; support RETURN_REG being a PARALLEL.
15176 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15178 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15180 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15182 * hard-reg-set.h (reg_names): Constify a char*.
15184 * regclass.c (reg_names): Likewise.
15186 * regs.h (reg_names): Likewise
15188 * a29k/a29k.c (reg_names): Delete declaration.
15190 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15192 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15193 arc_output_function_epilogue): Likewise.
15195 * elxsi/elxsi.c (reg_names): Likewise.
15197 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15199 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15202 * m88k/m88k.c (output_function_profiler): Likewise.
15204 * sparc/sparc.c (sparc_flat_output_function_prologue,
15205 sparc_flat_output_function_epilogue): Likewise.
15207 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15209 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15210 warning from -Wuninitialized and put it under -W.
15211 * function.c (uninitialized_vars_warning): Warn only when the
15212 corresponding flag is set.
15214 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15216 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15217 is nonzero and the single set does not have an elt, then assign
15220 * simplify-rtx.c: New file.
15221 * Makefile.in (OBJS): Add simplify-rtx.o
15222 (simplify-rtx.o): Add dependencies.
15223 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15224 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15225 (cse_gen_binary, simplify_unary_operation): Delete.
15226 (simplify_binary_operation, simplify_plus_minus): Likewise.
15227 (check_fold_consts, simplify_relation_operation): Likewise.
15228 (simplify_ternary_operation): Likewise.
15229 (delete_trivially_dead_insns): Simplify the contents of the
15230 REG_EQUAL note before trying to substitute it into the source
15231 of the reg-reg copy at the end of a libcall sequence.
15233 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15234 references/callers changed.
15236 * mn10200.c (mn10200_va_arg): Force the return value into a
15239 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15241 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15244 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15246 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15248 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15250 * fold-const.c (fold): Fix thinko when optimizing comparisons
15253 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15255 * gcc.texi (Passes): Update front-end files to their current
15258 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15260 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15261 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15262 (PREDICATE_CODES): Add addition_operation.
15263 * alpha-protos.h (addition_operation): Declare.
15264 (secondary_reload_class): Likewise.
15265 * alpha.c (addition_operation): New.
15266 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15267 * alpha.md (adddi3): Turn into expander.
15268 (*lda, *adddi_2): New.
15269 (movsf, movdf patterns): Don't preference integer regs.
15270 (movsi, movdi patterns): Don't preference fp regs.
15272 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15274 * genrecog.c (write_switch): Check for duplicate CODE cases.
15276 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15278 * ggc-common.c: Update pre-function commentary.
15279 * ggc-page.c: Likewise.
15281 (poison_pages): Use memset directly.
15282 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15283 (ggc_collect): Poison before sweeping.
15284 * ggc-simple.c: Update pre-function commentary.
15285 (ggc_alloc_obj): Poison non-zeroed memory.
15287 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15289 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15290 match format string, even on 64-bit hosts.
15291 * gcc-page.c (ggc_page_print_statistics): Likewise.
15293 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15295 * config/i386/i386.c (ix86_cpu): Revert last patch.
15296 * config/i386/i386.h (ix86_cpu): Ditto.
15298 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15300 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15301 TYPE_SIZE, convert type of result to sizetype.
15303 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15305 * flow.c (count_or_remove_death_notes): Equate NULL with the
15308 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15309 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15312 * i386.c (pic_label_no): Delete.
15313 (ix86_attr_length_default): Don't use single_set to peek
15316 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15317 the first insn after bb->end.
15318 * i386.md (push mem peeps): Scratch is live after evaluation
15320 (cmp mem peep): Similarly.
15322 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15324 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15325 * function.c (pad_to_arg_alignment): Add missing braces.
15327 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15329 * alpha/alpha-protos.h (literal_section): Add prototype.
15330 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15333 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15335 (alpha_start_function, alpha_end_function, float_strings,
15336 alpha_need_linkage): Constify a char*
15338 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15340 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15342 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15344 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15346 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15348 * flow.c (debug_flow_info): Add prototype.
15350 * gcc.c (main): Likewise.
15352 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15355 * reload1.c (failed_reload, set_reload_reg): Likewise.
15357 * mips-tfile.c (main): Likewise.
15358 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15359 with ATTRIBUTE_NORETURN.
15361 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15363 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15364 DECL is not a memory ref.
15366 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15368 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15369 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15371 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15373 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15374 * config/mips/elf64.h: ditto.
15376 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15378 * expr.c (emit_push_insn): New argument alignment_pad.
15379 Update all callers. Adjust stack pointer based on alignment pad.
15380 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15381 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15382 (locate_and_pad_parm): New argument alignment_pad. Update all
15384 * expr.h (emit_push_insn): Update prototype.
15385 (locate_and_pad_parm): Update prototype.
15386 * calls.c (arg_data): Add new field alignment_pad.
15387 (initialize_argument_information): Initialize alignment_pad.
15389 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15391 * except.c (free_eh_nesting_info): Free the info itself.
15392 * function.c (free_after_compilation): Don't free NULL.
15393 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15394 (pre_edge_insert): Free inserted.
15395 * stmt.c (free_stmt_status): Don't free NULL.
15397 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15399 * gcov.c (DIR_SEPARATOR): Provide default.
15400 (output_data): Add test for MS-DOS format absolute filename.
15401 (fancy_abort): Correct program name.
15402 (open_files): Open all files in binary mode.
15403 * libgcc2.c (__bb_exit_func): Likewise.
15405 * profile.c (init_branch_prob): Specify binary when opening files.
15407 * flags.h (flag_unwind_tables): New decl.
15408 * toplev.c (flag_unwind_table): New definition.
15409 (f_options): Add -funwind-tables.
15410 (decode_g_option): Clarify warning when unknown -g option is given.
15411 (rest_of_compilation): If inside an inlined external function,
15412 pretend we are just being declared.
15414 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15415 (dwarf2out_frame_finish): Likewise.
15417 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15419 * fold-const.c (merge_ranges): If not in0, but in1, handle
15420 upper bounds equal like subset case.
15422 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15424 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15425 passed in a register but moved to the stack.
15427 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15429 * gcc.c (pass_exit_codes, greatest_status): New variables.
15430 (struct option_map): Add entry for "--pass-exit-codes".
15431 (execute): Update greatest_status if error.
15432 (display_help): Add documentation for -pass-exit-codes.
15433 (process_command): Handle -pass-exit-codes.
15434 (main): Look at pass_exit_codes and greatest_status on call to exit.
15436 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15438 * reload.c (find_reloads): Refine test for no input reload
15439 case to not includes reloads emitted after insn.
15441 * function.c (find_temp_slots_from_address): Handle sum involving
15442 a register that points to a temp slot.
15443 (update_temp_slot_address): Make recursive call if both old and
15444 new are PLUS with a common operand.
15445 * calls.c (expand_call): Mark temp slot for result as having
15448 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15450 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15451 component as well as "BINUTILS".
15453 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15454 * integrate.c (copy_rtx_and_substitute): Likewise.
15455 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15456 All callers changed.
15457 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15459 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15460 gdb extensions, write size of type; also be more consistent
15461 in using references when this is a subtype.
15463 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15464 that is out of range.
15466 * loop.c (unknown_constant_address_altered): New variable.
15467 (prescan_loop): Initialize it.
15468 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15469 (invariant_p, case MEM): Remove handling for volatile and readonly;
15470 check new variable if readonly.
15471 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15473 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15474 (addr_affects_sp_p): Removed from note_mem_written and only
15475 define #ifdef AUTO_INC_DEC.
15477 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15479 * regclass.c (record_reg_classes): Properly handle register move
15482 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15483 Don't think valid if both operands are invalid.
15484 (struct constant_descriptor): New field RTL.
15485 (mark_const_hash_entry): Mark it.
15486 (record_constant{,_rtx}): Initialize it.
15487 (output_constant_def): Allocate RTL in permanent obstack and
15489 ({record,compare}_constant_1): Modes must match for
15490 CONSTRUCTOR of ARRAY_TYPE.
15492 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15493 * output.h (initializer_constant_valid_p): Move decl to here.
15494 * c-common.c (initializer_constant_valid_p): Delete function from here.
15495 * varasm.c (initializer_constant_valid_p): Move function to here.
15497 * tree.h (STRIP_SIGN_NOPS): New macro.
15498 * fold-const.c (optimize_minmax_comparison): New function.
15499 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15500 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15501 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15502 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15503 widening conversions.
15504 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15505 to look at size of mode, not precision of type; also add missing cases.
15506 (optimize_bit_field_compare, decode_field_reference): Don't try to
15507 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15509 * dwarf2out.c (ctype.h): Include.
15510 (dwarf2out_set_demangle_name_func): New function.
15511 (size_of_line_info): Deleted.
15512 (output_line_info): Compute size of line info table from difference
15514 (base_type_die, add_name_attribute): Call demangle function, if any.
15515 (field_byte_offset): Use bits per word for variable length fields.
15516 (gen_array_type_die): Add array name.
15517 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15518 (dwarf2out_add_library_unit_info): New function.
15520 * explow.c (set_stack_check_libfunc): New function.
15521 (stack_check_libfunc): New static variable.
15522 (probe_stack_range): Allow front-end to set up a libfunc to call.
15524 * combine.c (simplify_comparison): When making comparison in wider
15525 mode, check for having commuted an AND and a SUBREG.
15526 (contains_muldiv): New function.
15527 (try_combine): Call it when dividing a PARALLEL.
15528 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15529 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15531 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15532 use one of the CLOBBERs instead.
15533 (if_then_else_cond): If comparing against zero, just return thing
15536 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15537 Don't generate shifts and subtract if have conditional arithmetic.
15539 * rtl.h (delete_barrier): New declaration.
15540 * jump.c (jump_optimize): Set up to handle conditional call.
15541 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15542 (delete_barrier): New function.
15544 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15546 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15548 * tree.c (build_type_attribute_variant): Push to obstack of
15549 ttype around type_hash_canon call.
15551 * expr.c (placeholder_list): Move decl to file scope.
15552 (expand_expr): Don't force access to volatile just because its
15554 If ignoring reference operations, just expand the operands.
15555 (expand_expr, case COMPONENT_REF): Propagate
15556 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15557 Refine test for using bitfield operations vs pointer punning.
15558 (expand_expr, case CONVERT_EXPR): If converting to
15559 BLKmode UNION_TYPE from BLKmode, just return inner object.
15560 Use proper mode in store_field call.
15561 Properly set sizes of object to store and total size in store_field
15562 call for convert to union.
15563 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15564 memory (like for ADDR_EXPR). Also, don't put constant in register if
15565 we'll want it in memory.
15566 (readonly_fields_p): New function.
15567 (expand_expr, case INDIRECT_REF): Call it if LHS.
15568 (expand_assignment): Handle a RESULT_DECL where
15569 DECL_RTL is a PARALLEL.
15570 (do_jump, case WITH_RECORD_EXPR): New case.
15571 (get_inner_reference): Always go inside a CONVERT_EXPR
15572 and NOP_EXPR if both modes are the same.
15573 (store_field): Use bitfield operations if size of bitsize is not same
15574 as size of RHS's type.
15575 Check for bitpos not a multiple of alignment in BLKmode case.
15576 Do block move in largest possible alignment.
15577 (store_constructor): Set BITSIZE to -1 for variable size and properly
15578 in case of array of BLKmode.
15579 (expand_expr_unaligned): New function.
15580 (do_compare_and_jump): Call it.
15582 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15583 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15584 does not include 'o'.
15586 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15587 both SET_DEST and SET_SRC reference a virtual register.
15588 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15590 * integrate.c (expand_inline_function): Handle case of setting
15591 virtual stack vars register (from built in setjmp); when parameter
15592 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15593 (subst_constant): Add new parm, MEMONLY.
15594 (expand_inline_function, integrate_parm_decls): Pass new parm.
15595 (integrate_decl_tree): Likewise.
15596 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15597 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15598 (copy_rtx_and_substitute, case SET): Add explicit calls to
15599 copy_rtx_and_substitute for both sides.
15601 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15603 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15604 within INDEX_TYPE, instead of before.
15605 (fixup_gotos): Use f->target_rtl, not the next insn,
15606 since latter may be from a later fixup.
15607 (expand_value_return): Correctly convert VAL when promoting function
15608 return; support RETURN_REG being a PARALLEL.
15609 (expand_return): When checking for result in regs and having
15610 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15612 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15614 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15615 last_nominal_fname): Mark const.
15616 (struct include_hash: name, nshort, control_macro): Mark
15618 (struct macrodef: symnam): Mark const.
15619 (struct if_stack: fname): Mark const.
15620 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15621 (IStable): New character-syntax array which encompasses all
15622 the old is_foo arrays.
15623 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15624 is_space): New macros for interrogating IStable.
15625 (check_macro_name): Kill last argument. All callers changed.
15627 * cppinit.c (initialize_char_syntax): Delete.
15628 (is_idchar, is_idstart, is_hor_space, is_space,
15629 trigraph_table): Delete.
15630 (IStable): New. Initialize with clever macros to avoid
15631 information duplication.
15632 (builtin_array): Table of builtins to get rid of explicit list
15633 in initialize_builtins.
15634 (initialize_builtins): Use builtins_array.
15635 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15636 opts->dollars_in_ident.
15638 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15640 (cpp_parse_expr): Avoid 'format string is not constant'
15641 warning. Use ISGRAPH to identify printable chars.
15642 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15644 (read_and_prescan): Map trigraphs to chars with open-coded
15645 if-else-if-... sequence, not a lookup table.
15646 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15648 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15649 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15650 (check_macro_name): Remove ability to report an invalid
15651 assertion name, which is never used.
15652 (do_line): Constify a couple of char *'s.
15653 * cppmain.c (main): Call cpp_cleanup before returning.
15655 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15657 * ggc.h (struct ggc_statistics): New type.
15658 (ggc_get_size): New function.
15659 (ggc_print_statistics): Likewise.
15660 * ggc-common.c (ggc_stats): New variable.
15661 (ggc_mark_rtx_children): Keep statistics.
15662 (ggc_mark_tree_children): Likewise.
15663 (ggc_print_statistics): New function.
15664 * ggc-page.c (struct globals): Add bytes_mapped field.
15665 (alloc_anon): Update it.
15666 (release_pages): Likewise.
15667 (ggc_get_size): New function.
15668 (ggc_page_print_statistics): New function.
15669 * ggc-simple.c (ggc_get_size): New function.
15671 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15673 * flow.c (propagate_block): When the last reference to a label
15674 before an ADDR_VEC is deleted because the reference is a dead
15675 store, delete the ADDR_VEC.
15677 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15679 * resource.c (find_free_register): Don't use the frame pointer
15680 if frame_pointer_needed.
15682 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15684 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15685 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15687 * config/i960/i960.c (i960_va_start): New locals base, num.
15688 Use INDIRECT_REF instead of ARRAY_REF on valist.
15689 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15691 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15693 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15695 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15697 * tree.def (PLACEHOLDER_EXPR): Update comments.
15699 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15701 * c-common.c (check_format_info): Avoid non-literal format string
15702 warnings when `first_arg_num' is zero.
15704 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15706 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15708 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15710 * arm.md (casesi_insn): Add a clobber of the condition code
15713 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15715 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15716 used by both cc1 and cc1plus.
15718 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15720 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15721 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15722 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15723 to the value 32 if it has not already been defined.
15724 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15725 Override definition in arm.h with a value of 8.
15727 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15729 * c-pragma.c (push_alignment): Don't check the return value
15732 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15734 * sparc.h (ADJUST_COST): Fix thinko.
15736 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15738 * cccp.c (rescan): Fixed obp pointer handling around call to
15739 check_expand subroutine.
15741 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15743 * gcse.c (delete_null_pointer_checks): Only record non-null info
15744 for pseudos when examining stores.
15746 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15747 splitters for these patterns. Use "#" for output templates.
15748 (addsi3_carryin_shift): New pattern.
15750 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15752 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15753 of the function return register into a plain REG until
15754 after function inlining is done.
15756 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15758 * jump.c (jump_optimize_1): If we did cross-jumping, and
15759 the data will matter, rebuild the CFG.
15760 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15761 not optimizing. Don't run shorten_branches.
15762 * toplev.c (rest_of_compilation): Run shorten_branches after
15765 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15767 * rtl.h (note_stores): Add additional paramter.
15768 * rtlanal.c (reg_set_p_1): Take additional paramter.
15769 (reg_set_last_1): Likewise.
15770 (reg_set_p): Adjust call to note_stores.
15771 (reg_set_last): Likewise.
15772 (note_stores): Pass data parameter to worker function.
15773 * alias.c (record_set): Take additional parameter.
15774 (init_alias_analysis): Pass it.
15775 * caller-save.c (mark_set_regs): Take additional parameter.
15776 (save_call_clobbered_regs): Pass NULL to note_stores.
15777 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15779 (record_dead_and_set_regs_1): Likewise.
15780 (reg_dead_at_p_1): Likewise.
15781 (combine_instructions): Adjust calls to note_stores.
15782 (try_combine): Likewise.
15783 (record_dead_insn): Remove.
15784 (record_dead_and_set_regs): Adjust calls to note_stores.
15785 (reg_dead_at_p): Likewise.
15786 * cse.c (invalidate_skipped_set): Take additional parameter.
15787 (cse_check_loop_start): Likewise.
15788 (cse_check_loop_start_value): Remove.
15789 (cse_set_around_loop): Adjust calls to note_stores.
15790 * flow.c (notice_stack_pointer_modification): Take additional
15791 parameter. Remove duplicate declaration.
15792 (record_volatile_insns): Adjust calls to note_stores.
15793 * gcse.c (record_set_info): Take additional parameter.
15794 (record_last_set_info): Likewise.
15795 (invalidate_nonnull_info): Likewise.
15796 (record_set_insn): Remove.
15797 (compute_sets): Adjust calls to note_stores.
15798 (last_set_insn): Remove.
15799 (compute_hash_table): Adjust calls to note_stores.
15800 (insert_insn_end_bb): Likewise.
15801 (delete_null_pointer_checks): Likewise.
15802 * global.c (mark_reg_store): Take additional parameter.
15803 (mark_reg_clobber): Likewise.
15804 (reg_becomes_live): Likewise.
15805 (global_conflicts): Adjust calls to note_stores.
15806 (build_insn_chain): Likewise.
15807 * integrate.c (note_modified_parmregs): Take additional parameter.
15808 (mark_stores): Likewise. Make it static.
15809 (save_for_inline_nocopy): Adjust calls to note_stores.
15810 (try_constants): Likewise.
15811 * integrate.h (mark_stores): Remove declaration.
15812 * jump.c (mark_modified_reg): Take additional parameter.
15813 (thread_jumps): Adjust calls to note_stores.
15814 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15816 (no_equiv): Likewise.
15817 (reg_is_set): Likewise.
15818 (validate_equiv_mem): Adjust calls to note_stores.
15819 (update_equiv_regs): Likewise.
15820 (block_alloc): Likewise.
15821 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15822 (note_addr_stored): Take additional parameter.
15823 (note_set_pseudo_multiple_uses): Likewise.
15824 (record_initial): Likewise.
15825 (prescan_loop): Adjust calls to note_stores.
15826 (strength_reduce): Likewise.
15827 (check_dbra_loop): Likewise.
15828 * regmove.c (flags_set_1): Take additional paramter.
15829 (mark_flags_life_zones): Adjust calls to note_stores.
15830 * reload1.c (mark_not_eliminable): Take additional parameter.
15831 (forget_old_reloads_1): Likewise.
15832 (reload_cse_invalidate_rtx): Likewise.
15833 (reload_cse_check_clobber): Likewise.
15834 (reload_combine_note_store): Likewise.
15835 (move2add_note_store): Likewise.
15836 (reload): Adjust calls to note_stores.
15837 (reload_as_needed): Likewise.
15838 (emit_reload_insns): Likewise.
15839 (reload_cse_regs_1): Likewise.
15840 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15841 (reload_combine): Adjust calls to note_stores.
15842 * resource.c (update_live_status): Take additional paramter.
15843 (mark_target_live_regs): Adjust calls to note_stores.
15844 * stupid.c (find_clobbered_regs): Take additional parameter.
15845 (stupid_life_analysis): Adjust calls to note_stores.
15847 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15849 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15852 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15855 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15856 of the variable arm_structure_size_boundary.
15858 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15860 * alias.c (init_alias_analysis): Allocate reg_known_value and
15861 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15863 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15864 * cse.c (cse_main): Call end_alias_analysis.
15865 * haifa-sched.c (schedule_insns): Likewise.
15866 * local-alloc. (update_equiv_regs): Likewise.
15867 * reload1.c (reload_cse_regs): Likewise.
15869 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15871 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15872 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15873 mapping from MASK_FPU.
15875 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15877 * sparc.md (call): Don't bound structure return size to 0xfff.
15879 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15881 * resource.c (mark_target_live_regs): Check that the target
15882 insn wasn't created after compute_bb_for_insn.
15884 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15886 * ggc-page.c (poison_pages): Don't be overzealous.
15888 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15890 * alias.c: Update comments for ADDRESS.
15891 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15892 it is a local memory reference.
15894 * c-typeck.c (build_function_call): Check that the built-in
15895 function is of class BUILT_IN_NORMAL before trying to recongize
15896 it as BUILT_IN_ABS.
15897 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15898 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15900 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15902 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15904 (pre_gcse): Likewise.
15905 (hoist_expr_reaches_here_p): Likewise.
15906 (hoist_code): Likewise.
15907 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15909 (pre_expr_reaches_here_p_work): ... here.
15910 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15912 (expr_reaches_here_p_work): ... here.
15914 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15916 * resource.c (find_basic_block): Delete.
15917 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15918 (init_resource_info): Call compute_bb_for_insn.
15920 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15922 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15923 with already adjacent blocks, but no fallthru.
15924 (merge_blocks_move_successor_nojumps): Simplify.
15925 (debug_flow_info): New.
15927 * toplev.c (rest_of_compilation): Open jump1 dump file before
15928 jump and close after, as opposed to just using dump_rtl.
15930 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15932 * reload.h (earlyclobber_operand_p): Declare.
15933 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15934 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15935 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15936 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15938 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15939 Richard Henderson <rth@cygnus.com>
15941 * emit-rtl.c (emit_block_insn_before): New.
15942 (emit_block_insn_after): New.
15943 * basic-block.h: Declare them.
15945 * bitmap.h: Protect from multiple inclusion.
15947 * recog.c (scratch_operand): Handle VOIDmode correctly.
15949 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15951 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15952 * function.c (assign_parms): Likewise.
15953 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15955 * reg-stack.c (max_uid): Remove.
15956 (blocks, block_begin, block_end, block_drops_in): Remove.
15957 (block_stack_in, block_out_reg_set, block_number): Remove.
15958 (struct block_info_def, BLOCK_INFO): New.
15959 (enum emit_where): New.
15960 (current_block): New.
15961 (BLOCK_NUM): Remove.
15962 (mark_regs_pat, record_label_references): Remove.
15963 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15965 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15966 (reg_to_stack): Simplified test for existance of fp code. Use
15967 flow.c code. Call shorten_branches after cross-jump opt.
15968 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15969 Return false if the asm doesn't use stack regs. Don't do life
15970 analysis on the asm.
15971 (emit_pop_insn): Replace function pointer arg `when' with
15972 enum `where'. Update all callers.
15973 (change_stack): Likewise. Update basic block end.
15974 (emit_swap_insn): Use current_block->head to limit reverse search
15975 for start of block. Use emit_block_insn_after.
15976 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15977 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15978 structure assignment instead of bcopy.
15979 (print_stack): New.
15980 (convert_regs_entry, convert_regs_exit): New.
15981 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15982 Work on basic blocks and the CFG.
15983 (convert_regs): Use them.
15985 * i386.c (output_fix_trunc): Remove code for DImode input operand
15986 not at top-of-stack.
15987 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15989 (fix_truncdi_1): Allow any mode scratch.
15991 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15993 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15994 * linux.h, netbsd.h, vms.h: Not here.
15996 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15998 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15999 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16000 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16001 CONDITIONAL_REGISTER_USEAGE): Use them.
16002 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16003 gen_conditional_branch,override_options) : Use them.
16004 * config/mips/mips.md : Use them.
16006 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16008 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16010 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16012 * integrate.c (function_cannot_inline_p): Don't allow inlining
16015 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16017 * c-parse.in (cast_expr): Constify.
16019 * cccp.c (special_symbol): Likewise.
16021 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16023 * dwarf2out.c (base_type_die): Likewise.
16025 * global.c (allocno_compare): Likewise.
16027 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16029 * regclass.c (fix_register): Likewise.
16031 * rtl.h (fix_register): Likewise.
16033 * stupid.c (stupid_reg_compare): Likewise.
16035 * toplev.c (decode_f_option): Likewise.
16037 * tree.c (build_complex_type): Likewise.
16039 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16041 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16043 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16045 * reload.c (find_reloads): Compute mode and nregs fields of all
16047 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16048 (calculate_needs): Use precomputed mode/nregs values.
16049 (allocate_reload_reg): Likewise.
16051 (failed_reload, set_reload_reg): ... new functions.
16052 (choose_reload_regs_init): New function, mostly broken out from...
16053 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16054 Also lose one #if 0 block.
16056 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16058 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16061 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16063 * tree.h (BLOCK_TYPE_TAGS): Remove.
16064 (BLOCK_END_NOTE): Likewise.
16065 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16066 (BLOCK_LIVE_RANGE_START): Likewise.
16067 (BLOCK_LIVE_RANGE_END): Likewise.
16068 (tree_block): Remove live_range_flag, live_range_var_flag, and
16069 type_tags. Remove end_note, live_range_start, and live_range_end.
16070 (remember_end_note): Remove prototype.
16071 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16072 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16074 * ggc-common.c (ggc_mark_tree_children): Don't mark
16075 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16076 * integrate.c (adjust_copied_decl_tree): Remove.
16077 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16078 * stmt.c (last_block_end_note): Remove.
16079 (init_stmt): Don't add a GC root for it.
16080 (expand_fixup): Don't set it.
16081 (remember_end_note): Remove.
16082 (expand_end_bindings): Don't set last_block_end_note.
16084 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16086 * reload1.c (reload_reg_free_for_value_p): Show
16087 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16090 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16092 * expmed.c (extract_bit_field): Allow for the case of non-integer
16093 objects that are smaller than a word (like SFmode on a 64-bit
16096 * loop.c (basic_induction_var): A non-integer variable which is
16097 being set by a paradoxical subreg is probably not a biv.
16099 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16101 * prefix.c (translate_name) Check for empty prefix string.
16103 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16105 * Makefile.in (CPP_CROSS_NAME): New variable.
16106 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16108 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16109 names of the files to be uninstalled.
16111 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16113 * collect2.c (IS_DIR_SEPARATOR): Define.
16114 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16116 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16119 * haifa-sched.c (add_dependence): Update the true dependency
16120 cache the first time we add a true dependence to the LOG_LINKS chain.
16122 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16124 * fold-const.c (fold): Fix comment.
16126 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16128 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16129 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16130 dbxout_start_new_source_file, dbxout_source_file,
16131 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16132 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16134 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16135 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16136 (dbxout_block): Initialize variable `blocknum'.
16138 * dbxout.h (dbxout_init, dbxout_finish,
16139 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16140 dbxout_args, dbxout_source_line): Constify a char*.
16142 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16143 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16144 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16145 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16146 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16147 src_info_attribute, mac_info_attribute, producer_attribute,
16148 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16149 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16150 dwarfout_undef): Constify a char*.
16151 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16153 * dwarfout.h (dwarfout_define, dwarfout_undef,
16154 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16156 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16158 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16159 (MULTILIB_ISA_DEFAULT): New.
16160 (MULTILIB_DEFAULTS): Use it.
16161 * config/mips/mips.c (): Remove the now unnecessary definition
16162 of MIPS_ISA_DEFAULT.
16163 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16164 unnecessary definition.
16166 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16168 * arm.md (pic_load_addr): Add constraints to operand 1.
16170 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16172 * fixinc/genfixes: Provide a means for specifying -D options to
16175 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16177 * arm.c (arm_override_options): Correct initialization of
16178 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16179 arm_is_strong, and arm_is_6_or_7.
16181 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16182 (note_set_pseudo_multiple_uses): New function.
16183 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16184 if a pseudo set in the loop exit is used elsewhere.
16186 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16188 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16190 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16192 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16193 a single load-address pattern.
16195 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16197 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16198 depending on whether or not line-number notes are present.
16200 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16202 * cccp.c (progname, file_buf, default_include, include_file,
16203 macrodef, definition, hashval, wchar_type, user_label_prefix,
16204 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16205 expand_to_temp_buffer, is_system_include, base_name,
16206 absolute_filename, read_name_map, open_include_file,
16207 record_control_macro, check_precompiled, check_preconditions,
16208 pcfinclude, pass_thru_directive, create_definition,
16209 check_macro_name, comp_def_part, collect_expansion,
16210 check_assertion, read_token_list, assertion_install,
16211 assertion_lookup, eval_if_expression, conditional_skip,
16212 validate_else, skip_quoted_string, quote_string, macarg1,
16213 error_from_errno, install, lookup, hashf, dump_defn_1,
16214 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16215 check_white_space, rescan, handle_directive, monthnames,
16216 special_symbol, do_include, remap_include_file, write_output,
16217 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16218 do_ident, do_sccs, do_xifdef, skip_if_group,
16219 output_line_directive, macroexpand, macarg, change_newlines,
16220 initialize_builtins, make_definition): Constify a char*.
16222 * pcp.h (stringdef): Likewise.
16224 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16226 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16229 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16230 Richard Henderson <rth@cygnus.com>
16232 * alias.c: Include ggc.h.
16233 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16234 (record_set): Verify enough room in reg_base_value.
16235 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16236 Register it as a GC root.
16237 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16238 * Makefile.in (alias.o): Depend on ggc.h.
16240 * unroll.c (unroll_loop): Verify the insn before a barrier
16241 is a JUMP_INSN before checking JUMP_LABEL.
16243 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16245 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16246 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16247 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16248 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16249 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16250 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16252 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16254 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16256 * alpha/alpha-interix.h (text_section): Delete prototype.
16257 * alpha/elf.h (text_section): Likewise.
16258 * arm/linux-elf.h (text_section): Likewise.
16259 * arm/linux-telf.h (text_section): Likewise.
16260 * c4x/c4x.h (text_section): Likewise.
16261 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16262 * elfos.h (text_section): Likewise.
16263 * i386/aix386ng.h (text_section): Likewise.
16264 * i386/i386-interix.h (text_section): Likewise.
16265 * i386/sco5.h (text_section): Likewise.
16266 * i386/svr3gas.h (text_section): Likewise.
16267 * nextstep.h (text_section): Likewise.
16268 * psos.h (text_section): Likewise.
16269 * ptx4.h (text_section): Likewise.
16270 * svr3.h (text_section): Likewise.
16271 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16273 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16275 * final.c (peephole): Delete prototype.
16277 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16278 (pre_insert_copies): Remove unused variable `bb'.
16280 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16283 * output.h (peephole): Add prototype.
16285 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16287 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16290 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16292 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16293 for inlined declarations.
16295 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16297 * arm.c (logical_binary_operator): New fucntion.
16298 * arm.h (logical_binary_operator): Declare it.
16299 (PREDICATE_CODES): Handle logical_binary_operator.
16300 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16301 output constraints. Add appropriate splitters.
16302 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16303 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16304 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16306 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16308 * genoutput.c (struct operand_data): New elt eliminable.
16309 (output_operand_data): Write it.
16310 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16311 (compare_operands): Take it into account.
16312 * recog.h (struct insn_operand_data): New elt eliminable.
16313 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16315 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16316 (eliminate_regs): Move code that detects changes to elimination
16317 target regs into new function elimination_effects.
16318 Delete one #if 0 block.
16319 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16320 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16321 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16322 Only call eliminate_regs for real operands of the insn, not for parts
16323 of its structure or parts matched by things like match_operator.
16324 Use elimination_effects and check_eliminable_occurrences. Use
16325 copy_insn to duplicate the pattern when not in the final pass.
16327 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16329 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16332 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16334 * fixinc/README: document the "mach" machine matching test
16335 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16336 * fixinc/fixtests.c: Implement the #else/#endif label test
16337 * fixinc/inclhack.def: utilize these tests and fixes
16338 * fixinc/inclhack.sh: regen
16339 * fixinc/fixincl.x: regen
16340 * fixinc/fixincl.sh: regen
16342 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16344 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16347 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16349 * gcc.1: Document exit codes.
16351 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16353 * calls.c: Include tm_p.h later, so everything we need is defined.
16354 * expr.c: Likewise.
16355 * function.c: Likewise.
16357 * except.c: Include tm_p.h.
16359 * sparc.c: Likewise.
16360 (dwarf2out_cfi_label): Don't prototype.
16361 (check_return_regs, epilogue_renumber,
16362 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16363 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16364 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16365 ultra_schedule_insn): Add static prototype.
16366 (data_segment_operand, text_segment_operand): Call itself with the
16367 proper number of arguments.
16368 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16370 * sparc.h: Move all declarations to sparc-protos.h.
16371 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16374 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16376 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16378 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16379 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16380 ASM_OUTPUT_ASCII): Constify a char*.
16382 * sparc-protos.h: New file for sparc prototypes.
16384 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16386 * function.c (record_insns, contains): Always declare and define.
16387 (record_insns): Mark with ATTRIBUTE_UNUSED.
16389 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16391 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16392 to .section when outputting a .bss section to deal with multiple
16393 .bss input sections (as happens with -fdata-sections)
16394 Also output %progbits, not @progbits so the assembler doesn't treat as
16396 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16398 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16399 thumb parts even when building with non-thumb CPUs, by forcing
16402 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16404 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16405 (movdf_const_intreg_sp64): Similarly.
16407 * local-alloc.c (update_equiv_regs): Check the correct insn
16408 for pre-existing REG_EQUIV notes.
16410 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16412 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16413 block reached by a branch if we're not going to actually process
16416 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16418 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16419 a local extern function declaration.
16421 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16423 * i386.c (ix86_expand_prologue): Properly wrap USE around
16424 reg for CALL_INSN_FUNCTION_USAGE.
16426 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16428 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16429 move between GP_REGs.
16431 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16433 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16434 the mode size when finding out if an offset is legal.
16436 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16438 * basic-block.h (PROP_*): Move constants from ...
16439 * flow.c: ... here.
16440 (compute_bb_for_insn): Free the array before reallocating.
16441 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16442 (allocate_reg_life_data): Reset all reg variables collected by
16444 (get_block_head_tail): Don't convert from bb to block.
16445 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16446 (find_insn_reg_weight): Take block not bb.
16447 (schedule_block): Don't set block num for moved insns.
16448 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16449 (schedule_insns): Do it here instead.
16450 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16451 before update_life_info.
16452 * recog.c (split_all_insns, peephole2_optimize): Update for
16453 new arg to update_life_info.
16454 * rtlanal.c (remove_note): Cope with NULL note.
16455 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16458 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16460 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16462 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16463 block records so that merge_blocks_nomove will clean up correctly.
16464 (split_edge): Handle casesi insns.
16466 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16468 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16470 * pa.md (call, call_value): Do not emit a blockage after restoring
16473 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16475 * c-typeck.c (c_expand_asm_operands): Fix typo.
16477 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16479 * arm.c (fpu_rhs_operand): Verify modes.
16480 (fpu_add_operand): Likewise.
16481 (di_operand): Likewise.
16482 (soft_df_operand): Likewise.
16484 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16486 * arm.c (arm_return_in_memory): APCS rules state that the elements
16487 of a structure returned in a register must be 'integer-like'.
16489 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16491 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16492 in the source tree when the generated targets are out of date
16493 * fixinc/genfixes: Alter it to run individual fixes for make.
16494 * fixinc/README: rewrite
16495 * fixinc/inclhack.def: moved initial comments to README
16497 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16499 * toplev.c (main): Do not generate an error message if an
16500 unrecognised command line switch is recognisable by another
16501 language. If extra_warnings are enabled, then generate a
16502 warning message instead.
16504 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16506 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16507 (insert_pack_attributes): Delete prototype.
16509 * c-pragma.c (default_alignment): New static variable.
16510 (push_alignment): Initialize to current effective alignment.
16511 (pop_alignment): Use to set new alignment.
16512 (insert_pack_attributes): Delete function.
16513 (handle_pragma_token): Set default_alignment as well each time
16514 a #pragma pack(<n>) is encountered.
16516 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16518 * reg-stack.c (stack_result): Aggregates are not returned in
16521 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16523 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16525 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16527 * basic-block.h (set_block_num): Declare.
16528 * flow.c (update_life_info): Don't call compute_bb_for_insn
16529 or free_basic_block_vars.
16530 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16531 (insn_orig_block): Remove.
16532 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16533 (schedule_block): Keep BLOCK_NUM up-to-date.
16534 (schedule_insns): Use compute_bb_for_insn.
16535 * recog.c (split_all_insns): Likewise.
16536 (peephole2_optimize): Likewise.
16538 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16540 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16541 if the pic register is used.
16543 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16545 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16546 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16547 if that tests TREE_PERMANENT.
16549 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16551 * cse.c (invalidate_for_call): Do not remove memory references from
16552 the table here. It's handled elsewhere.
16554 * haifa-sched.c (add_dependence): Protect references to the
16555 true dependency cache with #ifdef INSN_SCHEDULING.
16556 (remove_dependence): Similarly.
16558 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16559 to the cfg code that this is a return instruction.
16560 * mn10300.md (return_internal): Similarly.
16562 * combine.c (get_last_value): If the last set of a register
16563 is after subst_low_cuid, then we can not use it to determine
16564 the register's last value.
16566 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16568 * Makefile.in: Back out previous change.
16570 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16572 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16574 * haifa-sched.c (add_dependence): Only check/update the cache
16576 (remove_dependence): Likewise.
16577 (schedule_insns): Only create the true_dependency_cache if the
16578 average number of instructions in a basic block is very large.
16580 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16582 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16583 (ggc-simple.o): Likewise.
16584 (ggc-page.o): Likewise.
16586 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16588 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16589 Prototype for exported functions.
16590 (pre_lcm, pre_rev_lcm): Remove prototypes.
16591 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16592 (compute_available): Move to lcm.c, and change parameter order.
16593 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16594 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16595 (gcse_main): No longer call compute_preds_succs. Rebuild the
16596 set table after reach pre pass.
16597 (pre_insert_map, pre_delete_map, edge_list): New.
16598 (alloc_pre_mem): Allocate edge vectors.
16599 (free_pre_mem): Delete edge vectors.
16600 (compute_pre_data): Call new edge based lcm routines.
16601 (process_insert_insn): New function.
16602 (insert_insn_end_bb): Use it.
16603 (pre_edge_insert): New function.
16604 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16606 (pre_insert_copies): Revamp using new edge based lcm outputs.
16607 (pre_delete): Likewise.
16608 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16610 (compute_code_hoist_vbeinout): New new edge based routines.
16611 * lcm.c: Remove all the old LCM functions. Replace with new ones
16612 that work with the new cfg datastructures and work with edges
16615 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16617 * reload.h (struct reload): Add new fields "mode" and "nregs".
16618 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16619 to reference the "mode" and "nregs" field within struct reload.
16621 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16623 * haifa-sched.c (true_dependency_cache): New.
16624 (add_dependence): Use the true dependency cache to avoid expensive
16625 walks down the LOG_LINKS dependency list. Add entries to the
16626 cache as necessary.
16627 (remove_dependence): Remove entries from the true dependency cache
16629 (schedule_insns): Allocate and initialize and free the true
16632 * haifa-sched.c (schedule_insns): Do not remove inter-block
16633 dependencies anymore.
16635 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16637 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16638 * i386/t-winnt: Likewise.
16640 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16642 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16644 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16646 * Makefile.in (LANGUAGES): Omit "proto".
16647 (clean): Remove stale comment about removing unprotoize.c.
16649 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16651 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16652 using arithmetic on void pointers.
16654 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16656 * haifa-sched.c (compute_block_forward_dependencies): Only check
16657 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16659 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16661 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16662 (expr_equiv_p): Reject memories with different alias sets.
16664 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16666 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16667 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16668 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16669 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16670 (lang_init): Set default for flag_bounds_check if still "unspecified".
16672 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16674 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16676 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16678 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16681 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16683 * config/c4x/c4x.md (*db_noclobber,
16684 *decrement_and_branch_until_zero_noclobber): New patterns and
16685 associated splitters.
16687 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16689 * config/c4x/c4x.md (parallel instruction patterns): Rework
16690 constraints to keep reload happy.
16692 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16694 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16695 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16696 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16697 Add new patterns and associated post-reload splitters.
16699 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16701 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16703 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16705 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16707 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16709 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16711 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16714 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16716 * pa.c (move_operand): Rely on memory_address_p to determine the
16717 validity of non-indexed memory addresses.
16718 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16719 operand in DFmode and SFmode when generating PA2.0 code.
16721 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16723 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16725 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16727 * mips.c (function_prologue): Fix argument types.
16728 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16729 (casesi_internal): Write to the scratch register.
16731 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16733 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16735 (parse_charconst): Delete unnecessary cast when calling
16737 (cpplib.h): Kill prototype of cpp_parse_escape.
16739 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16741 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16742 * unroll.c (unroll_loop): Cast return value of alloca.
16743 * i370/i370.c: Include function.h and toplev.h.
16744 (i370_label_scan): Remove c++ commented abort.
16745 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16746 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16747 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16748 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16750 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16752 * config/t-freebsd: Do not override USER_H.
16753 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16755 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16756 Mumit Khan <khan@xraylith.wisc.edu>
16758 * c-parse.in (component_decl): Support anonymous struct/union.
16760 * c-parse.y: Regenerate.
16761 * c-parse.c: Likewise.
16762 * objc/objc-parse.y: Likewise.
16763 * objc/objc-parse.c: Likewise.
16764 * c-decl.c (finish_struct): Don't sort the fields.
16765 (field_decl_cmp): Delete unused function.
16767 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16769 * sparc.md (movsf_const_intreg): Revert last constraint change.
16770 (movdf_const_intreg_sp32): Likewise.
16772 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16774 * cse.c: Include hashtab.h instead of splay-tree.h
16775 (struct cse_reg_info): No longer use variant union. Add new
16776 field "regno". All references changed to avoid union.
16777 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16778 (free_cse_reg_info): Remove.
16779 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16780 (get_cse_reg_info): Revamp to use expandable hash tables instead
16781 of splay trees. Initialize new fields in cse_reg_info structure.
16782 (new_basic_block): Similarly.
16784 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16786 * genrecog.c (message_with_line): Prototype.
16787 (validate_pattern): Pass along the set for the dest, not a flag.
16788 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16789 Check for PC/CC0 as sources.
16790 (nodes_identical): Check for children position match before
16791 allowing the combination.
16793 * rtl.c (read_rtx): Track line number across \\\n.
16795 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16797 * mips.h (SPECIAL_MODE_PREDICATES): New.
16798 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16799 (movdi+1, movsi+1): Add output reload constraint.
16800 (casesi_internal): Likewise. Fix commentary.
16801 (return_internal): Use pmode_register_operand.
16803 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16805 * 1750a.md (movstrqi): Add missing output reload constraint.
16806 (call_value): Likewise.
16807 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16808 (jmpfdec): Add missing inout reload constraint.
16809 * elxsi.md (addsi patterns): Add missing output reload constraint.
16810 (move from sp): Use @ alternates.
16811 (call_value): No constraint on output.
16812 * fr30.md (movsi_pop): Add missing output reload constraint.
16813 (movsf_constant_store): Likewise.
16814 (splits): Remove constraints.
16815 (subsi3): Add missing mode.
16816 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16817 (call_value): Likewise.
16818 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16819 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16820 * m32r.md (movsicc_internal): Add output reload constraint.
16821 (movstrsi_internal): Add inout reload constraints.
16822 * m88k.h (reg_names): Don't declare.
16823 (SPECIAL_MODE_PREDICATES): New.
16824 * m88k.md (*): Use register_operand not reg_or_0_operand
16826 * mn10200.h (PREDICATE_CODES): New.
16827 * ns32k.md (ffs pattern): Add output reload constraint.
16828 * pdp11.md (sob pattern): Add inout reload constraint.
16829 * sh.md (splits): Remove constraints.
16830 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16831 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16832 * vax.md (jgequ pattern): Add inout reload constraint.
16834 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16836 * configure.in (djgpp): Revert previous patch.
16837 * configure: Rebuit.
16838 * config/i386/djgpp.h: Revert previous patch.
16840 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16842 * fixinc/inclhack.def: Restore patch lost during last merge of
16843 "no_bogosity" branch.
16844 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16846 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16848 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16849 * fixinc/inclhack.def: Same.
16850 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16852 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16854 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16855 as the base of a PLUS.
16857 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16859 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16860 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16862 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16864 * pa.md (post_stw+1): Use pmode_register_operand.
16865 (dcacheflush, icacheflush): Likewise.
16867 * i386.md (movstricthi_1): Allow r/r.
16869 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16871 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16872 to (not (and (arg0) (arg1))). Similary for and.
16874 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16875 fallthrough to associate code.
16876 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16879 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16880 no bits in common; remove XOR to ROTATE conversion.
16882 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16884 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16886 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16888 * config/c4x/c4x.c (dst_operand): New.
16889 (PREDICATE_CODES): Update.
16890 * config/c4x/c4x.h (dst_operand): Declare it.
16891 * config/c4x/c4x.md: Define mode for each unspec usage.
16892 (move patterns): Use dst_operand predicate instead of src_operand.
16893 (movqi_update, movqf_update): Delete.
16895 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16897 * recog.c (pmode_register_operand): New.
16898 * recog.h: Declare it.
16899 * genrecog.c (pred_codes): Likewise.
16900 (special_mode_pred_table): Likewise.
16901 (validate_pattern): Don't warn no mode for address_operand.
16903 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16904 if the operand is not insn-like.
16906 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16907 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16909 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16911 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16913 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16914 instead of general_operand in a SET_DEST. Use const_double_operand
16915 instead of an explicit test against CONST_DOUBLE.
16916 (movsf_const_lo): Add missing register mode.
16917 (goto_handler_and_restore): Add auxiliary test for Pmode.
16918 (flush): Adjust to use address_operand.
16919 (return_sf_no_fpu): Add missing output constraint.
16921 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16923 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16924 for call return value.
16925 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16927 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16929 * toplev.c (main): Only warn about options for other languages.
16930 * collect2.c (main): Pass -w to sub-gcc.
16932 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16934 * flow.c (propagate_block): Add call-clobbered registers to
16937 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16938 zapping mem_set_list.
16939 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16940 (mark_set_1, mark_used_regs): Likewise.
16942 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16944 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16946 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16948 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16949 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16950 options. Also add a new item "C-only Warning Options" to the
16953 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16955 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16956 from multiple calls.
16958 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16960 * i386.md (call value patterns): Move to the end of the file.
16961 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16963 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16965 * configure.in (djgpp configuration): Define extra_objects..
16966 * configure: Rebuilt.
16967 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16968 (DTORS_SECTION_ASM_OP): Define.
16969 (INIT_SECTION_ASM_OP): Define.
16970 (FINI_SECTION_ASM_OP): Define.
16971 (DATA_SECTION_ASM_OP): Define.
16972 (TEXT_SECTION_ASM_OP): Define.
16973 (EH_FRAME_SECTION_ASM_OP): Define.
16974 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16975 (STARTFILE_SPEC): Add crtbegin.o.
16976 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16977 to here from LINK_COMMAND_SPEC.
16978 (DO_GLOBAL_CTORS_BODY): Define.
16979 (CRTSTUFF_USE_FINI_SECTION): Define
16980 (HAS_INIT_SECTION): Delete.
16982 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16984 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16986 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16988 * pa.h (PREDICATE_CODES): New.
16990 * genrecog.c (validate_pattern): Condense the destination
16991 non-lvalue message.
16993 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16995 * alpha.md (call-1): Supply missing mode for operator.
16996 (*): Add missing output reload constraints. Remove constraints
16997 from define_splits.
16999 * i386.h (SPECIAL_MODE_PREDICATES): New.
17000 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17001 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17002 (addsi_lea_3): Add missing mode for op 3.
17003 (prologue_set_got, prologue_get_pc): Add missing modes.
17004 (*) Add missing output reload constraints.
17006 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17008 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17009 check for member bit-size overflow and use var_size if it occurs.
17010 (layout_record): Use bitsize_int() to define the type size in bits.
17011 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17012 (layout_decl): Likewise when assigning to DECL_SIZE.
17014 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17016 * genrecog.c (validate_pattern): Typo last change. Verify
17017 that output operands have output reloads.
17019 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17021 * genrecog.c (special_mode_pred_table): New.
17022 (NUM_SPECIAL_MODE_PREDS): New.
17023 (find_operand): New.
17024 (validate_pattern): New argument `insn'. Warn for assignment to
17025 any predicate accepting non-lvalues. Conditionaly warn for
17026 match_operand without a mode. Try much harder to match source
17027 and destination modes on a set.
17028 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17030 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17032 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17034 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17036 * combine.c (simplify_logical): Recognize xor pattern that encodes
17039 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17041 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17044 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17046 * ggc-page.c (MAP_FAILED): Provide default.
17048 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17050 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17051 * sparc.h (PREDICATE_CODES): Update.
17053 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17055 * alpha.c (some_ni_operand): New.
17056 * alpha-protos.h: Declare it.
17057 * alpha.h (PREDICATE_CODES): Update.
17058 * alpha.md (sXaddq reload insns): Use some_ni_operand
17059 for SET_DEST instead of some_operand.
17061 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17062 Jim Wilson <wilson@cygnus.com>
17064 * genrecog.c (maybe_both_true_2): Don't compare modes of
17066 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17067 after find_afterward.
17068 (debug_decision_1): Dump next and afterward codes.
17070 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17072 * rtl.c (dump_and_abort): Remove.
17073 (fatal_with_file_and_line): New.
17074 (fatal_expected_char): New.
17075 (read_rtx_lineno, read_rtx_filename): New.
17076 (read_skip_spaces): Track line number.
17077 (read_name): Use fatal_with_file_and_line.
17078 (read_rtx): Use fatal_expected_char. Track line number.
17079 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17081 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17082 if it isn't a CODE_LABEL.
17084 * genattr.c (main): Set read_rtx_filename.
17085 * genattrtab.c (main): Likewise.
17086 * gencodes.c (main): Likewise.
17087 * genconfig.c (main): Likewise.
17088 * genemit.c (main): Likewise.
17089 * genextract.c (main): Likewise.
17090 * genflags.c (main): Likewise.
17091 * genopinit.c (main): Likewise.
17092 * genoutput.c (main): Likewise.
17093 * genpeep.c (main): Likewise.
17095 * genrecog.c (decision_test.u.insn): Add `lineno'.
17096 (pattern_lineno, error_count): New variables.
17097 (message_with_line): New.
17098 (add_to_sequence): Break out checking code to ...
17099 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17100 (merge_insn): Use message_with_line.
17101 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17102 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17104 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17106 * expr.c (store_constructor): Clear union if constructor is empty.
17108 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17110 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17111 Add !endian checks. Change %{...} to %(...).
17113 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17115 * i386.md (*addsi3_cc): Renamed from addcsi3.
17116 (*addsi3_carry): Renamed from addxsi3.
17117 (*subsi3_cc): Renamed from subcsi3.
17118 (*subsi3_carry): Renamed from subxsi3.
17119 (*xorqi_cc_1): Renamed from xorcqi_1.
17120 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17121 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17123 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17125 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17126 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17128 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17130 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17131 climb up the chain of insns.
17133 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17135 * genrecog.c (write_subroutine): Careful for null trees.
17136 (process_tree): Don't elide empty functions.
17138 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17140 * Makefile.in (genrtl.o): Depend on ggc.h.
17141 * configure.in (valloc): Probe for it.
17142 (with-gc): Use ggc-page if valloc present.
17143 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17144 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17145 (ggc_alloc_string): Moved from ggc-page.c.
17146 * ggc-none.c (ggc_alloc_obj): New.
17147 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17148 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17149 (struct globals): Likewise for dev_zero_fd.
17150 (init_ggc): Likewise for it's initialization.
17151 (ggc_allocated_p): Move careful dereference from ...
17152 (ggc_lookup_page_table): ... here. Delete.
17153 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17154 (alloc_anon): Use valloc if no mmap.
17155 (release_pages): Use free if using valloc.
17156 (ggc_alloc_obj): Renamed from alloc_obj.
17157 (ggc_set_mark): Renamed from mark_obj.
17158 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17159 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17160 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17161 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17162 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17163 (ggc_collect): Use fp printing instead of our own rounding.
17164 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17165 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17166 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17167 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17168 (struct ggc_string, struct ggc_any): Delete.
17169 (offsetof): Provide default definition.
17170 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17172 (struct ggc_mem): New, from corpse of ggc_any.
17173 (struct ggc_status): Delete.
17174 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17175 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17176 (n_strings_collected, n_anys_collected): Delete.
17177 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17178 (ggc_alloc_string, ggc_alloc): Delete.
17179 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17180 (ggc_free_string, ggc_free_any): Delete.
17181 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17182 (ggc_compare_addresses, ggc_mark_string): Delete.
17183 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17184 (search_data): Delete.
17185 (struct globals): New.
17186 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17187 (tree_insert, tree_lookup): New.
17188 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17189 (clear_marks, sweep_objs): New.
17190 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17191 (init_ggc): Set allocated_last_gc.
17192 (ggc_push_context): Gut. Use G.context.
17193 (ggc_pop_context): Likewise.
17194 (ggc_pop_context_1): New.
17195 (debug_ggc_tree): New.
17196 (debug_ggc_balance, tally_leaves): New.
17197 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17198 (ggc_mark_string_if_gcable): Remove decl.
17199 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17200 (ggc_mark_rtvec_children): New.
17201 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17202 (ggc_mark_if_gcable): New decl.
17203 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17204 (ggc_alloc_tree, ggc_alloc): Likewise.
17205 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17206 (ggc_alloc_obj): New decl.
17207 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17208 (ggc_alloc_tree, ggc_alloc): Likewise.
17209 (ggc_set_mark): New decl.
17210 * rtl.h (struct rtx_def): Remove gc_mark.
17211 (struct rtvec_def): Likewise.
17212 * tree.h (struct tree_common): Likewise.
17214 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17216 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17217 float_format and thread_file definitions.
17218 * configure: Rebuilt.
17220 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17222 * extend.texi (Function Names): Document types of function names.
17224 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17226 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17227 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17229 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17231 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17233 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17235 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17237 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17239 * collect2.c (main): Do prelimnary link on AIX if rflag.
17241 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17243 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17244 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17246 (__do_global_dtors): similarly for __DTOR_LIST__.
17248 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17249 Diego Novillo <dnovillo@cygnus.com>
17251 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17254 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17256 * fixincl/*: Merged "no_bogosity" branch
17257 * fixincl/fixlib.h: protect against doubly defining t_bool
17258 * fixincl/server.h: protect against doubly defining t_bool
17260 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17262 * genoutput.c: Include toplev.h.
17264 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17266 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17268 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17269 * configure: Regenerate.
17271 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17273 * gcse.c (delete_null_pointer_checks): Returns void.
17275 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17277 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17278 * emit-rtl.c (copy_insn_1): Likewise.
17280 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17282 * config/mips/mips.c (mips_build_va_list): Correct
17283 TREE_CHAIN setting when hard-float.
17284 (mips_va_start): Use corrected setting.
17285 (mips_va_arg): Likewise. Also pass a tree to build of
17286 POSTINCREMENT_EXPR rather than a naked 'int'.
17288 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17290 * ggc.h (ggc_push_context): Fix comment.
17291 (ggc_pop_context): Likewise.
17292 (mark_string_if_gcable): Likewise.
17293 * ggc-common.c (ggc_mark_rtx_children): Use
17294 ggc_mark_string_if_gcable.
17295 * ggc-page.c (ggc_lookup_page_table): New function.
17296 (ggc_allocated_p): Likewise.
17297 (mark_obj): Fix formatting.
17298 (ggc_mark_string_if_gcable): New function.
17299 * ggc-simple.c (ggc_allocated_strings): New variable.
17300 (ggc_strings_used): Likewise.
17301 (ggc_compare_addresses): New function.
17302 (ggc_pop_context): Pop the `any' memory too.
17303 (ggc_mark_string_if_gcable): New function.
17304 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17306 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17308 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17309 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17310 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17313 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17315 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17316 (sched_reg_live_length, sched_reg_basic_block): Delete.
17317 (current_block_num, bb_live_regs, old_live_regs): Delete.
17318 (dead_notes, struct sometimes): Delete.
17319 (sched_note_set, birthing_insn_p): Delete.
17320 (adjust_priority): Gut useless reg lifetime code.
17321 (create_reg_dead_note, attach_deaths): Delete.
17322 (attach_deaths_insn, new_sometimes_live): Delete.
17323 (finish_sometimes_live): Delete.
17324 (find_pre_sched_live, find_post_sched_live): Delete.
17325 (update_reg_usage): Delete.
17326 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17327 (schedule_insns): Delete reg lifetime code.
17328 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17329 (unlink_other_notes): Adjust REG_NOTE commentary.
17330 (reemit_notes): Use REG_SAVE_NOTE.
17331 (schedule_block): Likewise.
17332 (schedule_region): Allocate bitmap of blocks in region. Use
17333 count_or_remove_death_notes. Use update_life_info.
17335 * rtl.h (REG_SAVE_NOTE): New.
17336 * rtl.c (reg_note_name): Update.
17338 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17340 * combine.c (refresh_blocks, need_refresh): New.
17341 (combine_instructions): Allocate refresh_blocks. Invoke
17342 update_life_info if needed.
17343 (distribute_notes): Mark refresh_blocks instead of installing
17345 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17346 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17348 * Makefile.in (recog.o): Depend on basic-block.h.
17350 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17352 * genrecog.c (add_to_sequence): Thinko last change: delete
17353 shadowing allow_const_int variable.
17355 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17357 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17358 __GNUC__ and __GNUC_MINOR__.
17360 * gansidecl.h: Likewise.
17366 * toplev.h: Likewise.
17368 * tree.c: Likewise.
17370 * tree.h: Likewise.
17372 * varray.c: Likewise.
17374 * varray.h: Likewise.
17376 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17378 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17379 use one before a jump table.
17381 * rtl.def (ADDRESS): Change documentation to match reality.
17382 * md.texi: Don't document it.
17383 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17386 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17388 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17390 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17391 known predicate block; default allow_const_int true.
17392 (debug_decision_list): New.
17394 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17396 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17398 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17400 * gcse.c (gcse_main): Avoid global optimizations if we have a
17401 large number of basic blocks and the ratio of edges to blocks
17403 (delete_null_pointer_checks): Likewise.
17405 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17407 * c-common.c (check_format_info): Warn if format string isn't a
17410 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17412 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17413 * configure: regenerate
17415 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17417 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17418 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17419 (peepholes): Re-enable.
17421 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17423 * Makefile.in (flow.o): Depend on TREE_H.
17424 * basic-block.h (REG_SET_EQUAL_P): New.
17425 (XOR_REG_SET): New.
17426 (n_edges): Declare.
17427 (free_regset_vector): Remove declaration.
17428 (flow_delete_insn_chain): Declare.
17429 (enum update_life_extent): New.
17430 (update_life_info, count_or_remove_death_notes): Declare.
17431 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17432 Verify register live at bb->global_live_at_start before adding USE.
17433 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17434 (CLEAN_ALLOCA): New.
17436 (PROP_*): New flags.
17437 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17438 (clear_edges): Zero n_edges.
17439 (make_edge): Increment n_edges.
17440 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17441 (flow_delete_insn_chain): Export.
17442 (delete_block): Decrement n_edges.
17443 (merge_blocks_nomove): Likewise.
17444 (life_analysis): Give life_analysis_1 PROP flags.
17445 (verify_wide_reg_1, verify_wide_reg): New.
17446 (verify_local_live_at_start): New.
17447 (update_life_info): Rewrite to call into propogate_block.
17449 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17450 always mark stack pointer. Conditionally mark PIC register.
17451 After reload, mark call-saved registers, return regsiters.
17452 (life_analysis_1): Accept PROP flags not remove_dead_code.
17453 Call mark_regs_live_at_end before zeroing regs_ever_live.
17454 Use calculate_global_regs_live. Copy global_live_at_end before
17455 calling final propagate_block. Zero reg_next_use on exit.
17456 (calculate_global_regs_live): New.
17457 (allocate_bb_life_data): Don't allocate bb->local_set.
17458 (init_regset_vector, free_regset_vector): Remove.
17459 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17460 Test flags before every operation. Warn if prologue/epilogue insn
17461 would have been deleted.
17462 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17463 Use alloc_EXPR_LIST.
17464 (mark_used_regs): Accept and use FLAGS, not FINAL.
17465 Remove special handling for RETURN.
17466 (try_pre_increment): Use alloc_EXPR_LIST.
17467 (dump_flow_info): Dump n_edges.
17468 (unlink_insn_chain, split_hard_reg_notes): Remove.
17469 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17470 (find_insn_with_note, new_insn_dead_notes): Remove.
17471 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17472 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17473 (replace_insns): Remove.
17474 (count_or_remove_death_notes): New.
17475 (verify_flow_info): Abort on error after all checks.
17476 (remove_edge): Decrement n_edges.
17477 (remove_fake_edges): Tweak format.
17478 * haifa-sched.c (schedule_insns): Use split_all_insns.
17479 * output.h (update_life_info): Remove declaration.
17480 * recog.c (split_all_insns): From the corpse of split_block_insns,
17481 do the whole function block by block. Use update_life_info.
17482 (recog_last_allowed_insn): New.
17483 (recog_next_insn): Mind it.
17484 (peephole2_optimize): Set it. Walk backwards through blocks.
17485 Use update_life_info.
17486 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17487 (split_all_insns): Declare.
17488 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17489 Use split_all_insns.
17491 * i386.md (or -1 peep2s): Disable.
17493 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17495 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17496 a single pattern. Scrap the 'd' versions as unnecessary.
17498 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17499 tablejump_mips162,tablejump_internal4): The operands to a
17500 label_ref must be VOIDmode.
17502 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17504 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17506 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17508 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17510 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17512 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17513 cache every function if ggc_p.
17515 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17517 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17518 instead of copy_rtx. Accept sequences that contain asm statements.
17519 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17520 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17521 orig_asm_operands_vector, copy_asm_operands_vector,
17522 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17524 * rtl.h (copy_insn, copy_insn_1): Declare.
17526 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17528 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17530 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17531 arguments to `current_file_function_operand'.
17533 * genrecog.c: Include hard-reg-set.h and resource.h in the
17534 generated output file.
17536 * real.c: Include tm_p.h.
17538 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17540 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17543 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17545 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17546 before the fctiwz insn.
17548 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17549 Mark Mitchell <mark@codesourcery.com>
17551 * tree.c (make_lang_type_fn): New funtion pointer.
17552 (make_lang_type): Call it.
17553 * tree.h (make_lang_type): Declare.
17554 (make_lang_type_fn): Likewise.
17555 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17557 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17559 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17560 make sure that HIGH instructions are copied into BASE_REGS.
17562 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17564 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17566 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17568 * c-decl.c (finish_struct): Use simpler method of
17569 removing elements of a singly-linked list.
17571 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17573 * alpha.md (peephole2's): Comment out peephole2's that generate
17576 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17578 * genrecog.c (add_to_sequence): Disable mode check for
17581 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17583 * ggc-simple.c (init_ggc): Set empty_string.
17585 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17587 * configure.in: Detect mmap. Add --with-gc=foo to select
17588 garbage collector; default to page if mmap available.
17589 * Makefile.in (GGC): Substitute.
17591 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17593 * c-decl.c (ggc_p): Enable.
17595 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17597 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17599 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17601 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17602 string for little-endian-data.
17604 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17606 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17607 case somebody tries to compile --enable-checking code with gcc
17610 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17612 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17615 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17617 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17618 * jump.c (jump_optimize_1): Document why.
17620 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17622 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17623 pointers and casts for `int_handler' and `quit_handler'.
17625 * flow.c (verify_flow_info, split_hard_reg_notes,
17626 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17627 remove_edge, remove_fake_successors): Add static prototypes.
17628 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17629 (mark_set_1): Initialize variable `regno'.
17630 (unlink_insn_chain): Likewise for variable `curr'.
17631 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17633 * loop.c (strength_reduce): Initialize variable
17634 `unrolled_insn_copies'.
17635 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17636 prototypes. Change these functions to take const PTR parameters
17637 to avoid prototype conflict when used as the comparson argument
17639 (check_dbra_loop): Initialize variable `comparison_val'.
17641 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17642 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17643 (find_valid_class): Initialize variable `best_class'.
17644 (find_reloads): Call memcpy, not bcopy.
17646 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17647 (hard_reg_use_compare): Don't needlessly cast away const.
17648 (reload_reg_class_lower): Likewise.
17649 (choose_reload_regs): Initialize variable `regno'.
17651 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17653 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17655 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17657 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17658 ({,d}discard): Add forward declarations. Declare parameter as
17660 (main_without_main): Explicitly declare return type to be int.
17661 (memcpy): Properly declare.
17663 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17664 building the trampoline support, declare malloc, free, and
17666 (__clear_cache): Mark arguments as potentially unused.
17668 * frame.c (toplevel): If inhibit_libc is defined, declare
17671 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17673 * flow.c (make_edge): Accept an optional 2D bitmap in which
17674 to cache edge existence. Update all callers.
17675 (make_label_edge, make_eh_edge): Pass through the edge cache.
17676 (make_edges): Provide the cache.
17678 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17680 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17682 (local_mbtowc): Change the type of variable `i' from int to size_t.
17684 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17685 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17687 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17689 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17690 after other includes that define the appropriate types. Include
17691 tm_p.h for getting user prototypes.
17692 * ggc-callbacks.c (toplevel): Ditto.
17693 * ggc-none.c (toplevel): Ditto.
17694 * gcc-page.c (toplevel): Ditto.
17695 * ggc-simple.c (toplevel): Ditto.
17697 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17698 Jonathan Larmour <jlarmour@cygnus.co.uk>
17700 * config/mips/mips.c (mips_move_2words): Split doubles if
17701 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17703 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17705 * genrecog.c (struct decision_test): New.
17706 (struct decision): Remove test-related members, sort the rest by size.
17707 (IS_SPLIT): Simplify.
17708 (new_decision, new_decision_test): New.
17709 (add_to_sequence): Use them. No special handling for args of
17711 (maybe_both_true): Renamed from not_both_true; return sense changed.
17712 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17713 of maybe_both_true and adjusted for decision_test.
17714 (position_merit): Remove.
17715 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17716 (merge_accept_insn): New, broken out of merge_trees.
17717 (merge_trees): Use them. No special case for c_test; no node
17718 splitting; use test type instead of position_merit.
17719 (factor_tests): New.
17720 (simplify_tests): New.
17721 (break_out_subroutines): Don't write code now.
17722 (find_afterward): New.
17723 (write_afterward, write_switch, write_cond): New.
17724 (write_action, is_unconditional): New.
17725 (write_node): New. Use them.
17726 (write_tree_1): Rewrite. Use the new functions above.
17727 (write_tree): Remove afterward processing.
17728 (write_subroutine): Simplify function variant emission.
17729 (write_subroutines): New.
17730 (same_codes, clear_codes): Remove.
17731 (same_modes, clear_modes): Remove.
17732 (write_header): New, broken out of main.
17733 (make_insn_sequence): Use new_decision and new_decision_test.
17734 (process_tree): New, broken out of main.
17735 (main): Adjust for merge_trees interface change.
17736 Don't #define operands in the output file.
17737 (record_insn_name): New, broken out of make_insn_sequence.
17738 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17739 (debug_decision): New.
17741 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17743 * resource.c (find_free_register): Mark class_str argument const.
17744 * resource.h: Update prototype to match.
17746 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17747 * i386.md: Give all anonymous insns names.
17749 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17751 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17754 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17756 * toplev.c (dbr_sched_time): Unconditional.
17757 (peephole2_time): New.
17758 (compile_file): Add pass numbers to all of the dump file suffixes.
17759 Dump peephole2_time. Don't dump times for non-applicable passes.
17760 (rest_of_compilation): Add pass numbers to dump file suffixes.
17761 Conditionalize calls to the scheduler.
17762 * invoke.texi: Update.
17764 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17766 * flow.c (make_edges): Fix insn iteration.
17767 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17768 (find_basic_blocks_1): Fix spelling mistake.
17770 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17772 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17773 always have side-effects. Use memset not bzero.
17774 (make_node): Likewise.
17776 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17778 * stmt.c (expand_anon_union_decl): When any of the elements of the
17779 union is addressable, so is the entire union.
17781 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17783 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17785 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17786 * bitmap.c (bitmap_operation): Return true iff TO changed.
17787 (bitmap_equal_p): New.
17788 (bitmap_bit_p): Tidy arithmetic.
17789 (debug_bitmap_file): Likewise.
17791 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17793 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17794 before cse2 instead of after.
17796 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17798 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17801 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17803 * cppinit.c (is_idchar initializer): Loosen tests to accept
17806 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17808 * mips.md: Define conditional move patterns for floating point
17809 operands and DI mode conditions.
17811 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17813 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17814 always have side-effects.
17816 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17818 * mn10200.c (asm_file_start): Fix typo.
17820 * cppinit.c (is_idchar initializer): Tighten tests for when
17821 to put the table into initialized memory.
17823 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17824 not an array of rtunion.
17825 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17826 * gcc-simple (ggc_free_rtvec): Similarly.
17828 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17831 * mbchar.h: Add missing #endif.
17833 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17834 (FPBIT, DPBIT): Define.
17836 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17838 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17840 * profile.c (instrument_arcs, output_gcov_string,
17841 tablejump_entry_p): Add static prototypes.
17842 (output_gcov_string): Constify a char*.
17844 * regmove.c (replacement_quality, fixup_match_2): Add static
17847 * resource.h (reg_dead_p): Add extern prototype.
17849 * rtl.c (trim_filename): Add static prototype.
17851 * scan-decls.c (skip_to_closing_brace): Likewise.
17853 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17854 (expand_end_case): Initialize variable `range'.
17855 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17857 * varasm.c (asm_emit_uninitialised): Add static prototype.
17858 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17861 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17863 * cpplib.c (if_directive_nameo): Add static prototype.
17865 * cse.c (cse_insn): Remove unused variable `p'.
17867 * except.c (create_rethrow_ref, push_entry,
17868 receive_exception_label, new_eh_region_entry, find_func_region,
17869 clear_function_eh_region, process_nestinfo): Add static prototypes.
17870 (get_reg_for_handler): Hide definition.
17871 (process_nestinfo): Initialize variable `extra_handlers'.
17873 * expr.h (expand_builtin_longjmp): Add extern prototype.
17875 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17877 * function.c (prepare_function_start): Likewise.
17878 (pop_function_context_from): Mark parameter `context' with
17880 (push_temp_slots_for_block, flush_addressof): Hide definition.
17882 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17883 solve_program_flow_graph, calculate_branch_probs,
17884 function_summary, main, fancy_abort): Add prototypes.
17886 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17887 (add_hash): Constify a char*.
17889 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17890 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17891 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17893 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17895 * lists.c (free_list, zap_lists): Likewise.
17897 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17899 * alias.c (nonlocal_reference_p): Add static prototype.
17901 * bitmap.c (bitmap_element_allocate): Prototype args in function
17904 * builtins.c (stabilize_va_list): Add static prototype.
17905 (expand_builtin_va_arg): Constify a char*.
17907 * c-lex.c (getch, put_back, extend_token_buffer_to,
17908 read_line_number, token_getch, token_put_back): Add static
17911 * c-parse.gperf (hash, is_reserved_word): Likewise.
17913 * cccp.c (is_dir_separator): Likewise.
17915 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17917 * graph.h: New file to prototype functions exported by graph.c.
17919 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17921 * graph.c: Include graph.h.
17923 * toplev.c: Likewise. Remove redundant prototypes.
17925 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17927 * invoke.texi: Removed duplicated description for -Q.
17929 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17931 * extend.texi: Grammar fix in __extension__ text.
17933 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17935 * md.texi (define_peephole2): New section.
17937 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17939 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17940 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17943 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17945 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17947 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17949 * i386.md (ffs expander): Emit Pentium friendly code for
17952 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17954 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17956 (build1): Likewise.
17958 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17960 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17962 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17964 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17965 register is in use.
17967 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17969 * md.texi (No Constraints): Delete section.
17970 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17971 * final.c (final_scan_insn): We always have register constraints.
17972 * genattrtab.c: Don't include "insn-config.h".
17973 (write_attr_case): We always have register constraints.
17974 * genconfig.c (register_constraint_flag): Delete.
17975 (walk_insn_part): Don't check whether we have register constraints.
17976 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17977 * genoutput.c (have_constraints): Delete.
17978 (main): Don't set it.
17979 (output_operand_data): We always have constraints.
17980 (scan_operands): Likewise.
17981 (compare_operands): Likewise.
17982 * local-alloc.c (block_alloc): We always have constraints.
17983 (requires_inout): Always compile this function.
17984 * recog.c (extract_insn): We always have constraints.
17985 (constrain_operands, reg_fits_class_p): Always compile these
17987 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17989 (struct insn_operand_data): Likewise.
17990 * regclass.c (regclass): We always have constraints.
17991 (record_reg_classes, copy_cost, record_address_regs,
17992 auto_inc_dec_reg_p): Always compile these functions.
17993 * regmove.c (regmove_optimize): We always have constraints.
17994 * reload.c (find_reloads): Likewise.
17995 * reload1.c (reload): Likewise.
17996 (reload_cse_simplify_operands): Likewise.
17997 * i860.c (output_delay_insn): Likewise.
17999 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18001 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18003 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18005 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18006 for the va_list record.
18008 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18010 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18013 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18015 * alias.c: Include insn-flags.h.
18016 * Makefile.in (alias.o): Update.
18018 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18020 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18021 to LTU and GEU. Handle more cases using sbb.
18023 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18025 * i386.md (truncatexfdf splitters): Do not use subreg.
18026 (fop XFmode patterns): Fix mode in operand testing.
18028 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18030 * jump.c (jump_optimize_1): Amend last change to test only the
18031 form of the operand, not the insn.
18033 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18034 not register_operand to determine when B may need preloading.
18036 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18038 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18039 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18040 (call-value patterns): Move to end of file.
18041 (*): Remove mode from label_ref in (pc) context.
18042 (movstrqi): Use memory not general_operand for BLKmode operands.
18043 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18044 to register_operand operands.
18045 (peep2 patterns): Convert from commented-out peephole patterns.
18047 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18049 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18050 to BUILT_IN_INIT_DWARF_REG_SIZES.
18051 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18052 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18053 expand_builtin_init_dwarf_reg_sizes.
18054 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18055 with __builtin_init_dwarf_reg_size_table.
18056 * dwarf2out.c (struct reg_size_range): Delete.
18057 (expand_builtin_init_dwarf_reg_sizes): New function.
18058 (expand_builtin_dwarf_reg_size): Delete.
18059 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18060 (expand_builtin_dwarf_reg_size): Don't declare.
18061 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18062 (dwarf_reg_size_table): New.
18063 (init_reg_size_table): New function.
18064 (copy_reg): Use dwarf_reg_size_table.
18065 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18068 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18070 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18071 Correctly build argument list to constructor and destructor functions.
18073 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18075 * c-tree.h (warn_float_equal): Declare.
18076 * c-decl.c (warn_float_equal): Define.
18077 (c_decode_option): Recognize -W[no-]float-equal.
18078 * c-typeck.c (build_binary_op): Conditionally warn
18079 about equality tests of floating point types.
18080 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18081 * invoke.texi: Add docs for -Wfloat-equal warning.
18083 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18085 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18086 generating RTL directly.
18087 * mips.h (INIT_TARGET_OPTABS): Likewise.
18088 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18090 * expr.h (init_mov_optab): Delete declaration
18092 * h8300.c (WORD_REG_USED): Update to avoid useless register
18093 saves in interrupt functions and functions which never return.
18095 * cse.c (struct set): Delete inner_dest_loc field.
18096 (cse_insn): Remove assignments to inner_dest_loc field.
18098 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18100 * ggc-page.c: Don't include <unistd.h> etc taken care of
18101 by "system.h". Include <sys/mman.h> afterward.
18103 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18105 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18108 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18110 * xcoffout.c (xcoffout_declare_function): Add documentation.
18111 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18112 TARGET_64BIT. Compare constant to -1, not bit pattern.
18113 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18114 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18117 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18119 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18120 origin_die is NULL.
18121 (gen_inlined_enumeration_type_die): Do not abort if the type has
18122 not been writeen out.
18123 (gen_inlined_structure_type_die): Do not abort if the type has
18124 not been writeen out.
18125 (gen_inlined_union_type_die): Do not abort if the type has
18126 not been writeen out.
18127 (gen_tagged_type_instantiation_die): Do not abort if the type
18128 has not been written out.
18130 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18132 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18134 * reg-stack.c (straighten_stack): Copy hard reg set with
18137 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18139 * builtins.c (stabilize_va_list): Stabilize array type va_list
18140 to a pointer type, not the base record type.
18141 (expand_builtin_va_copy): Dereference the pointers explicitly;
18142 use the correct size for the copy.
18144 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18145 (rs6000_va_arg): Likewise.
18147 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18149 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18151 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18153 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18155 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18157 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18159 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18160 (init_ggc): Use it instead of a constant.
18161 (ggc_collect): Bound allocated_last_gc by it.
18163 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18165 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18168 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18170 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18171 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18172 * configure: Regen.
18173 * config/mips/openbsd.h: New, OpenBSD little endian target.
18174 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18175 * config/mips/xm-openbsd.h: New, OpenBSD host.
18177 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18179 * config/m68k/m68k.c (output_function_prologue,
18180 output_function_epilogue): Use
18181 current_function_uses_pic_offset_table instead of regs_ever_live
18182 to decide whether to save/restore pic register.
18183 (legitimize_pic_address): Don't modify regs_ever_live any more.
18185 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18187 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18188 * stor-layout.c (variable_size): Don't add sizes to the pending
18189 sizes list if x_dont_save_pending_sizes_p is set.
18191 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18193 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18194 for symbolic_operand().
18195 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18197 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18199 * combine.c (gen_rtx_combine): Add missing call to va_end().
18201 * final.c (asm_fprintf): Likewise.
18203 * genattrtab.c (attr_rtx): Likewise.
18205 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18207 * cse.c: Update comments.
18208 (cse_insn): When converting a conditional/computed jump into
18209 an unconditional jump, always make sure a BARRIER immediately
18210 follows the converted jump. Do not delete unreachable code.
18211 (cse_basic_block): Do not delete unreachable code.
18212 * toplev.c (rest_of_compilation): Move call to
18213 delete_trivially_dead_insns after the conditional call to
18216 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18218 * collect2.c (make_temp_file): Don't prototype.
18220 * gcc.c (make_temp_file): Likewise.
18222 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18224 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18226 * varasm.c (asm_emit_uninitialised): New function: Generate
18227 the assembler statements necessary to declare an uninitialised
18229 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18231 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18232 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18234 (assemble_variable): Use asm_emit_uninitialised to emit an
18235 uninitialised variable.
18237 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18239 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18240 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18241 <geoffk@cygnus.com>.
18243 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18245 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18246 * c-common.h (builtin_function): Don't declare.
18248 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18250 (pushdecl): Likewise.
18251 (finish_decl): Likewise.
18252 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18253 int. All callers changed.
18254 Set the builtin's DECL_BUILT_IN_CLASS.
18255 * tree.h (enum built_in_class): New.
18256 (enum built_in_function): Delete NOT_BUILT_IN.
18257 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18259 (DECL_SET_FUNCTION_CODE): Likewise.
18260 (DECL_BUILT_IN_CLASS): New macro.
18261 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18262 (struct tree_decl): Split builtin function code field into a
18264 (builtin_function): Declare.
18266 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18268 * optabs.c (init_traps): Fix typo in last change.
18270 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18272 * toplev.c (rest_of_decl_compilation): Update comment.
18274 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18276 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18277 in .sbss if appropriate.
18278 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18279 (SBSS_SECTION_ASM_OP): New macro.
18280 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18281 (EXTRA_SECTIONS): Add in_sbss.
18282 * config/mips/mips.h: Prototype sbss_section.
18284 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18286 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18289 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18291 * optabs.c (init_traps): Register trap_rtx as a GC root.
18293 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18295 * config/mips/mips.c (function_arg_pass_by_reference): Define
18296 unconditionally, since it's called unconditionally.
18298 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18300 * toplev.c (documented_lang_options): Add -fshort-wchar.
18301 * c-decl.c (c_decode_option): Likewise.
18302 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18304 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18305 * gcc.c (default_compilers): If -fshort-wchar,
18306 override __WCHAR_TYPE__.
18307 * tm.texi (C Dialect Options): Add -fshort-wchar.
18309 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18310 symbol for a variable.
18312 * cpplib.h (CPP_PREPROCESSED): New macro.
18313 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18314 we're seeing this input for a second time.
18316 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18318 * emit-rtl.c (init_emit_once): Initialize modes first.
18320 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18322 * config/i386/i386.c (pic_label_name): Change to char pointer.
18323 (global_offset_table): New variable.
18324 (load_pic_register): Fill global_offset_table if it hasn't
18325 already been done. Allocate pic_label_name dynamically.
18326 * ggc.h (empty_string): New variable.
18327 * ggc-simple.c (empty_string): Likewise.
18328 (init_ggc): Allocate empty_string and add as root.
18329 * stmt.c (digit_strings): New variable.
18330 (init_stmt): Add last_block_end_note as root. Allocate and
18331 initialize digit_strings.
18332 (expand_asm_operands): Use empty_string instead of string
18333 constant. Use digit_strings instead of string constants.
18334 * profile.c (init_arc_profiler): Allocate string with
18335 ggc_alloc_string instead of xmalloc.
18336 (output_func_start_profiler): Likewise.
18337 * c-typeck.c (digest_init): Check if init is error_mark_node.
18339 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18340 Richard Henderson <rth@cygnus.com>
18342 * ggc-page.c: New file.
18343 * Makefile.in (ggc-page.o): New.
18345 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18347 * invoke.texi: Document -fdelete-null-pointer-checks
18348 * toplev.c (flag_delete_null_pointer_checks): New.
18349 (f_options): Add entry for -fdelete-null-pointer-checks.
18350 (rest_of_compilation): Conditionalize null pointer check
18351 elimination on flag_delete_null_pointer_checks.
18352 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18354 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18356 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18357 copyright notice and special exception to GPL.
18359 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18361 * abi64.h (mips_function_value): Add prototype arguments.
18363 * mips-protos.h: New file with mips prototypes.
18365 * mips.c: Include "tm_p.h".
18366 (mktemp, lookup_name): Add prototype arguments.
18367 (extern_list, string_constant, mips_fill_delay_slot,
18368 mips_output_external, mips_output_external_libcall,
18369 mips_output_filename, mips_declare_object, function_prologue,
18370 mips_expand_prologue, function_epilogue, mips16_constant,
18371 build_mips16_function_stub, mips_output_conditional_branch):
18373 (mips_va_start): Remove unused variable `u'.
18374 (mips_va_arg): Cast value to unsigned when comparing against one.
18376 (save_restore_insns, mips_expand_prologue): Add missing arg in
18377 call to `large_int'.
18379 * mips.h: Move prototypes to mips-protos.h.
18380 (data_section, memory_address_p, rdata_section,
18381 readonly_data_section, simple_epilogue_p, text_section): Delete
18382 prototypes delcared elsewhere.
18383 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18385 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18387 * mips.md: Delete extra args in call to `mips_move_2words'.
18389 * xm-iris6.h (alloca): Add prototype argument.
18391 * genpeep.c: Include "tm_p.h" in generated output file.
18393 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18395 * basic-block.h (find_edge_index): Change parameters.
18396 * flow.c (verify_edge_list): Pass basic_block parameters to
18397 find_edge_index instead of integers.
18399 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18401 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18404 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18406 * gcc.1: Fix a formatting error.
18408 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18410 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18411 i786, mn10200, mn10300, pdp11, v850.
18413 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18415 * libgcc2.c (num_digits): Add prototype with
18416 __attribute__((const)).
18417 (__terminate): Add prototype.
18419 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18421 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18423 * alpha/alpha.c (print_operand): Fix type of `code'.
18424 (alpha_output_filename): Constify.
18425 * alpha/alpha.h: Move all function declarations ...
18426 * alpha/alpha-protos.h: ... here. New file.
18427 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18428 (SECTION_FUNCTION_TEMPLATE): Likewise.
18430 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18432 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18433 * expr.c (expand_expr): Likewise.
18434 (do_jump): Likewise.
18435 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18436 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18438 (enum can_compare_purpose): New.
18439 (can_compare_p): Adjust prototype.
18440 (prepare_cmp_insn, prepare_operand): Declare.
18441 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18442 * optabs.c (cmp_available_p): Deleted.
18443 (expand_abs): Pass ccp_jump to can_compare_p.
18444 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18445 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18446 Call can_compare_p rather than cmp_available_p.
18447 (prepare_operand): No longer static.
18448 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18449 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18450 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18451 sequence to use emit_cmp_and_jump_insns.
18452 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18454 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18456 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18457 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18458 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18459 (plus (reg) (const_int 0))
18460 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18462 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18464 * rs6000.c (expand_block_move): DImode loads and stores require
18465 word-aligned displacements. Increment address registers with
18466 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18468 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18470 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18471 is no name for the base type, rather than segfault. If we are
18472 writing out a complex integer type, use DW_ATE_lo_user.
18474 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18475 in one word or less (complex char, complex short, or on 64 bit
18476 systems complex float) to/from a hard register, copy it through
18477 memory instead of dying in gen_{real,imag}part. If we have a
18478 short complex type, prevent inlining since it allocates stack
18481 * tree.c (build_complex_type): If we are writing dwarf2 output,
18482 generate a name for complex integer types.
18484 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18486 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18487 * flow.c (remove_edge): Remove extra whitespace.
18488 (remove_fake_edges): Fix comment.
18489 (add_noreturn_fake_exit_edges): Use the correct name.
18491 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18493 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18494 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18495 (clean): Depend on INTL_CLEAN.
18496 (maintainer-clean): Adjust.
18498 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18500 * configure.in (AC_PREREQ): Bump to 2.13.
18501 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18503 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18505 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18507 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18509 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18510 (HAVE_STRINGIZE): Define.
18512 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18514 * c-parse.in: save and restore warn_pointer_arith on __extension__
18515 along with pedantic.
18516 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18517 Set the type of extension to itype rather than $<itype>1 kludge.
18518 * extend.texi (Alternate Keywords): Adjust documentation.
18519 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18521 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18523 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18524 most assembler templates.
18526 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18527 FP loads and stores.
18528 (following_call): Always return zero for the PA8000.
18529 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18530 FP loads and stores.
18531 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18533 * pa.h (BRANCH_COST): Define.
18535 * pa.md (return, return_internal): Use bve for PA2.0.
18537 * pa.md (fused multiply): Add variants which reduce height for the
18538 fused multiply, but which still generate 2 insns.
18539 (fnegabs): Similarly.
18541 * pa.md (subsi3): Turn into an expander. Create two anonymous
18542 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18543 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18545 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18547 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18549 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18550 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18552 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18555 * flow.c (record_active_eh_regions): Terminate loop after finding
18556 the last insn in the last basic block.
18558 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18560 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18562 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18564 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18566 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18568 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18569 splitting to not use output template.
18571 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18573 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18574 * config/c4x/c4x.c (c4x_va_start): New function.
18576 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18578 * genrecog.c (not_both_true): Handle correctly cases when called for
18579 tests with different positions in the insn.
18581 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18583 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18585 * system.h (HOST_PTR_PRINTF): ... to here.
18587 * mips-tfile.c: Don't include machmode.h.
18589 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18590 (mips-tfile.o): Don't depend on machmode.h.
18592 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18594 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18595 avoid conflicts with typedef struct `region' at the top level scope.
18597 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18599 * basic-block.h (basic_block): Add eh_beg, eh_end.
18600 * flow.c (entry_exit_blocks): Update.
18601 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18602 Call new functions.
18603 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18604 lists.c functions to allocate insn lists.
18605 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18607 (make_eh_edge): ... here. New.
18608 (move_stray_eh_region_notes): New.
18609 (record_active_eh_regions): New.
18610 (delete_unreachable_blocks): Split out block merging ...
18611 (try_merge_blocks): ... here. New.
18612 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18613 Dump debugging data.
18614 (merge_blocks_move_successor_nojumps): Likewise.
18615 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18617 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18619 * extend.texi (Bound member functions): Document unbound pmf
18622 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18624 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18625 has the EXIT_BLOCK as a dest.
18627 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18629 * flow.c (remove_edge): New function to remove an edge from the
18631 (remove_fake_successors): New function to remove fake successor edges.
18632 (remove_fake_edges): New function to remove all fake edges from the
18634 (add_fake_exit_edges): New function to add fake edges from all blocks
18635 with no successors to the exit block.
18636 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18637 prototypes for new functions.
18639 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18641 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18642 Use Pmode to determine whether to output .dword or .word.
18644 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18646 * tree.c (built_in_filename): New variable.
18647 (BUILT_IN_FILENAME): New macro.
18648 (init_tree_codes): Allocate built_in_filename.
18649 (make_node): Use built_in_filename instead of string constant.
18651 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18653 * configure.in: Add fr30 target.
18654 * configure: Regenerate.
18655 * config/fr30: New directory.
18656 * config/fr30/crti.asm: New file.
18657 * config/fr30/fr30.c: New file.
18658 * config/fr30/crtn.asm: New file.
18659 * config/fr30/fr30.h: New file.
18660 * config/fr30/fr30.md: New file.
18661 * config/fr30/lib1funcs.asm: New file.
18662 * config/fr30/t-fr30: New file.
18663 * config/fr30/xm-fr30.h: New file.
18665 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18667 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18668 BARRIER at the end of the successor, not the BARRIER before
18671 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18673 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18675 * stmt.c (any_pending_cleanups): Don't crash when
18676 current_function->stmt is unset.
18678 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18680 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18681 other initializations that may use it for relative offsets.
18683 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18685 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18686 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18687 * config/i386/sol2dbg.h: Removed.
18688 * config/i386/sol2gas.h: New file, to enable gas work-around.
18689 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18690 Don't use sol2dbg.h.
18691 * configure: Rebuilt.
18693 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18695 * invoke.texi (-fthis-is-variable): Remove documentation.
18697 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18699 * basic-block.h (compute_bb_for_insn): Declare.
18700 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18701 to use; set size of basic_block_for_insn directly.
18702 (find_basic_blocks): Update.
18704 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18706 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18708 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18710 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18711 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18713 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18715 * c-decl.c (c_decode_option): Extend comment.
18717 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18719 * toplev.c (progname): Make 'const char *'
18720 (flag_print_mem): Move out of main.
18721 (version_flag): Move out of main.
18722 (filename): Move out of main.
18723 (debug_args): Remove g prefix from options.
18724 (documented_lang_options): Remove cpplib specific options.
18725 (display_help): Add g prefix to debug options.
18726 (check_lang_option): Delete this function.
18727 (decode_d_option): New function: Decode -d... option.
18728 (decode_f_option): New function: Decode -f... option.
18729 (decode_W_option): New function: Decode -W... option.
18730 (decode_g_option): New function: Decode -g... option.
18731 (independent_decode_option): New function: Decode a language
18732 independent command line option.
18733 (main): Invoke lang_decode_option and then
18734 independent_decode_option on each command line option in
18737 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18739 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18740 * fold-const.c (fold_range_test): Do not try to fold the range
18741 test if the rhs or lhs has side effects.
18743 * basic-block.h (compute_flow_dominators): Declare.
18745 * gcse.c (alloc_code_hoist_mem): New function.
18746 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18747 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18748 (hoist_code, one_code_hoisting_pass): Likewise.
18749 (gcse_main): If optimizing for size, then hoist expressions
18750 computed in multiple dominated basic blocks.
18752 * gcse.c (invalid_nonnull_info): New function.
18753 (delete_null_pointer_checks): Likewise.
18754 * rtl.h (delete_null_pointer_checks): Declare.
18755 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18757 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18758 (merge-blocks_move_successor_nojumps): Likewise.
18759 (merge_blocks): Allow merging of some blocks, even if it requires
18760 physical movement of the blocks, but not if it requires new jumps.
18762 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18763 Callers and prototype changed.
18764 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18766 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18768 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18769 -YP when both -p and -pg are present. From i386/sol2.h.
18771 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18773 * Makefile.in (distclean): Delete tm_p.h.
18774 * configure.in: Create a new file, "tm_p.h", from a list in
18775 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18776 "i386/i386-protos.h".
18778 * alias.c: Include "tm_p.h".
18779 * c-typeck.c: Likewise.
18780 * calls.c: Likewise.
18782 * emit-rtl.c: Likewise.
18783 * explow.c: Likewise.
18784 * expmed.c: Likewise.
18785 * expr.c: Likewise.
18786 * final.c: Likewise.
18787 * flow.c: Likewise.
18788 * fold-const.c: Likewise.
18789 * function.c: Likewise.
18790 * gcse.c: Likewise.
18791 * global.c: Likewise.
18792 * haifa-sched.c: Likewise.
18793 * integrate.c: Likewise.
18794 * jump.c: Likewise.
18795 * local-alloc.c: Likewise.
18796 * loop.c: Likewise.
18797 * optabs.c: Likewise.
18798 * recog.c: Likewise.
18799 * reg-stack.c: Likewise.
18800 * regclass.c: Likewise.
18801 * regmove.c: Likewise.
18802 * reload.c: Likewise.
18803 * reload1.c: Likewise.
18804 * reorg.c: Likewise.
18805 * resource.c: Likewise.
18806 * stmt.c: Likewise.
18807 * stor-layout.c: Likewise.
18808 * toplev.c: Likewise.
18809 * tree.c: Likewise.
18810 * unroll.c: Likewise.
18811 * genattrtab.c (main): Make generated file include "tm_p.h".
18812 * genemit.c (main): Likewise.
18813 * genoutput.c (main): Likewise.
18814 * genrecog.c (main): Likewise.
18816 * i386.h: Delete all prototypes.
18817 * i386.c: Include "tm_p.h".
18818 (ix86_attr_length_default): Call constant_call_address_operand
18819 with correct number of arguments.
18820 * i386-protos.h: New file.
18821 * i386.md (unnamed patterns): Call constant_call_address_operand
18822 with correct number of arguments.
18823 (exception_receiver): Call load_pic_register with correct number
18826 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18828 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18830 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18832 * rtl.h (insns_safe_to_move_p): New function.
18833 * loop.c (find_and_verify_loops): Use it.
18834 * rtlanal.c (insns_safe_to_move_p): Define it.
18836 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18838 * c-pragma.c: Include ggc.h.
18839 * Makefile.in (c-pragma.o): Update.
18841 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18843 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18844 (LIB_SPEC): Likewise.
18845 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18846 Reindent -YP/-p/-pg.
18847 Copied from config/sparc/sol2.h.
18849 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18851 * c-pragma.c (mark_align_stack): New.
18852 (init_pragma): New.
18853 * c-pragma.h (init_pragma): Declare it.
18854 * c-lex.c (init_parse): Call it.
18856 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18858 * configure.in: Pick up thread library on Solaris/x86 just
18859 like on Solaris/sparc.
18860 * configure: Rebuilt.
18862 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18864 * rtl.h (global_rtx_index): New enum.
18865 (global_rtl): Change to array of rtx.
18866 (pc_rtx, cc0_rtx): Redefine accordingly.
18867 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18868 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18869 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18870 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18871 (const_int_rtx): Change to array of rtx.
18872 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18874 * emit-rtl.c (global_rtl): Change to array of rtx.
18875 (const_int_rtx): Change to aray of rtx.
18876 (gen_rtx_CONST_INT): Redefine accordingly.
18877 (init_emit_once): Allocate and initialize global_rtl. Likewise
18878 for const_int_rtx. Add both as GC roots.
18879 * genattrtab.c (global_rtl): Update declaration.
18881 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18883 * Makefile (USER_H): Add iso646.h back.
18885 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18887 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18888 zapping the LOG_LINKS of sched_before_next_call.
18890 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18891 * pa.c (insn_refs_are_delayed): Renamed from
18892 insn_sets_and_refs_are_delayed.
18894 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18896 * functiion.h (struct function): Add x_whole_function_mode_p.
18897 (retrofit_block): Declare.
18898 * function.c (retrofit_block): New function.
18899 (identify_blocks): Add assertions. Allow an incomplete set of
18900 block notes if we're still generating code for the function.
18901 * integrate.c: Include loop.h.
18902 (expand_inline_function): Call find_loop_tree_blocks to map block
18903 notes to blocks when in whole-function mode. Use retrofit_block
18904 to insert new BLOCKs for the inlined function, rather than
18906 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18907 * Makefile.in (integrate.o): Depend on loop.h.
18909 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18911 * tree.h (warn_about_unused_variables): Declare.
18912 * stmt.c (warn_about_unused_variables): New function, split out
18914 (expand_end_bindings): Here.
18916 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18918 * stmt.c (preserve_subexpressions_p): Don't crash when
18919 current_function->stmt is unset.
18921 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18923 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18924 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18925 (expand_start_target_temps): Use it.
18926 * except.c (expand_eh_region_start_for_decl): Likewise.
18927 * expr.c (expand_expr): Likewise.
18929 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18931 * fold-const.c (operand_equal_p): Pay attention to side effects.
18933 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18935 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18936 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18938 * tlink.c (scan_linker_output): Look for keywords before accepting
18939 a mangled name in quotes.
18941 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18943 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18944 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18946 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18948 * alpha.md: Revert Thu Nov 26 change that came in through the
18949 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18950 Avoid earlyclobber when possible.
18952 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18954 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18956 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18957 Define HAVE_ON_EXIT.
18959 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18961 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18962 CTYPE_CONV in all ctype macros.
18964 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18967 * cexp.y (initialize_random_junk): Likewise.
18969 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18971 * i370.c (handle_pragma): Likewise.
18973 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18975 * v850.c (override_options): Likewise.
18977 * doprint.c (_doprnt): Likewise.
18979 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18982 * fixinc/server.c (load_data): Likewise.
18984 * fold-const.c (real_hex_to_f): Likewise.
18986 * genattr.c (write_upcase, gen_attr): Likewise.
18988 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18989 write_upcase): Likewise.
18991 * genemit.c (print_code): Likewise.
18993 * genopinit.c (gen_insn): Likewise.
18995 * genpeep.c (print_code): Likewise.
18997 * genrecog.c (print_code): Likewise.
18999 * optabs.c (init_libfuncs): Likewise.
19001 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19003 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19005 (reemit_notes): Likewise.
19007 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19009 * ggc.h (ggc_root): Move to ggc-common.c.
19011 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19012 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19013 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19014 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19015 * ggc-common.c (ggc_root): Move from ggc.h.
19016 (roots): Declare, static.
19017 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19018 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19019 null or check/set mark bit.
19020 (ggc_mark_roots): New.
19021 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19023 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19025 * m32r.c: Include toplev.h.
19026 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19027 (gen_compare): Rename swap_p to must_swap to match uses.
19028 Add default abort case.
19029 (m32r_output_function_epilogue): Remove unused variables.
19030 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19031 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19032 define to empty parameter list. Update all uses.
19033 (predicate decls): Use enum machine_mode not int.
19034 * m32r.md (movsi): Call abort, not fatal_insn.
19035 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19037 1999-09-14 Andrew Haley <aph@cygnus.com>
19039 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19040 use $0 instead of 0.
19042 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19044 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19045 computation out of loop over hard regs.
19047 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19049 * function.c (identify_blocks): Don't shadow a variable in an
19051 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19052 pushdecl, or poplevel to build up the new BLOCK tree.
19053 (expand_inline_function): Likewise.
19054 (integrate_parm_decls): Likewise.
19056 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19058 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19060 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19062 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19063 * invoke.texi: Document this change.
19065 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19067 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19069 (mark_emit_status): Renamed from mark_emit_state.
19070 * except.c (mark_eh_status): Renamed from mark_eh_state.
19071 Check not null before marking.
19072 (free_eh_status): New.
19073 * expr.c (mark_expr_status, free_expr_status): New.
19074 * function.c (free_machine_status): New.
19075 (free_after_parsing): New.
19076 (free_after_compilation): Move bits to free_after_parsing; call
19077 free_eh_status, free_expr_status; zero the marked members of the
19079 (prepare_function_start): No can_garbage_collect.
19080 Call init_eh_for_function.
19081 (expand_dummy_function_end): Free up current_function state.
19082 (mark_function_status): Renamed from mark_function_state.
19083 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19084 * function.h (struct function): No can_garbage_collect.
19085 (free_machine_status, free_after_parsing): Declare.
19086 (free_eh_status, free_expr_status): Declare.
19087 * ggc.h (mark_expr_status): Declare.
19088 * stmt.c (free_stmt_status): Free the struct.
19089 (mark_stmt_status): Renamed from mark_stmt_state.
19090 (init_stmt): Don't call init_eh.
19091 (init_stmt_for_function): Don't call init_eh_for_function.
19092 * toplev.c (compile_file): Call init_eh.
19093 (rest_of_compilation): Free basic block info before ggc_collect.
19094 Call free_after_parsing; conditionally call free_after_compilation.
19095 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19096 Check not null before marking.
19097 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19099 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19101 * c-lex.c (yylex): Initialize warn.
19103 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19105 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19106 register when performing secondary reloads for the SAR register.
19108 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19110 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19111 (NOTE_BLOCK): New macro.
19112 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19113 * function.h (identify_blocks): Change prototype.
19114 * function.c (identify_blocks): Simplify.
19115 (reorder_blocks): Likewise.
19116 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19117 NOTE_INSN_BLOCK_{BEG,END}.
19118 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19119 the list of saved notes if the note isn't a
19120 NOTE_INSN_BLOCK_{BEG,END}.
19121 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19123 (reemit_notes): Adjust recreation of notes to reflect new saved
19125 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19126 printing a block note.
19127 * stmt.c (block_vector): Remove.
19128 (find_loop_tree_blocks): Simplify.
19129 (unroll_block_trees): Likewise.
19130 * tree.h (reorder_block): Change prototype.
19132 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19134 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19135 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19136 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19137 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19138 (atexit, exit): Simplify.
19139 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19140 * config/lots: Remove defns of HAVE_ATEXIT.
19142 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19144 * calls.c (precompute_arguments): Fix typo in comment.
19145 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19148 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19150 * dsp16xx.c (override_options): Fix typos in GC root registration.
19152 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19154 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19155 from config/svr4.h.
19156 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19157 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19158 (CC1_SPEC): Likewise.
19160 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19162 * genattr.c (main): Add extern prototype. Call return, not exit.
19163 * genattrtab.c (main): Likewise.
19164 * gencheck.c (main): Likewise.
19165 * gencodes.c (main): Likewise.
19166 * genconfig.c (main): Likewise.
19167 * genemit.c (main): Likewise.
19168 * genextract.c (main): Likewise.
19169 * genflags.c (main): Likewise.
19170 * gengenrtl.c (main): Likewise.
19171 * genopinit.c (main): Likewise.
19172 * genoutput.c (main): Likewise.
19173 * genpeep.c (main): Likewise.
19174 * genrecog.c (main): Likewise.
19176 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19177 * genattrtab.c (get_insn_name): Likewise.
19178 * gencodes.c (get_insn_name): Likewise.
19179 * genconfig.c (get_insn_name): Likewise.
19180 * genemit.c (get_insn_name): Likewise.
19181 * genextract.c (get_insn_name): Likewise.
19182 * genflags.c (get_insn_name): Likewise.
19183 * genopinit.c (get_insn_name): Likewise.
19184 * genpeep.c (get_insn_name): Likewise.
19186 * gencheck.c (usage): Add static prototype.
19187 * genextract.c (print_path): Constify a char*.
19188 * genopinit.c (optabs): Likewise.
19189 * genoutput.c (operand_data, data, output_predicate_decls,
19190 compare_operands): Likewise.
19191 * genrecog.c (write_tree): Add default case in switch.
19193 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19195 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19197 * print-rtl.c (get_insn_name): Remove prototype.
19199 * toplev.h (progname): Declare const.
19201 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19202 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19203 dump_sched_info, dump_local_alloc, regset_release_memory,
19204 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19205 error_with_file_and_line, error_with_decl, error_for_asm, error,
19206 fatal, warning_with_file_and_line, warning_with_decl, warning,
19207 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19208 Remove redundant prototypes.
19210 (notice, check_lang_option, report_file_and_line, vnotice,
19211 mark_file_stack): Add static prototype.
19212 (set_fatal_function): Add prototype.
19213 (vnotice, report_file_and_line, set_fatal_function,
19214 check_lang_option): Constify a char*.
19215 (main): Prototype. Call return, not exit.
19217 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19219 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19221 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19223 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19225 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19227 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19229 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19230 behave as if it's zero in all cases.
19231 (expand_function_start): Adjust call to assign_parms.
19232 * tree.h (assign_parms): Adjust prototype.
19233 * objc/objc-act.c (hack_method_prototype): Adjust call to
19236 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19238 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19239 arg_pointer_rtx fixed if the argument pointer register is
19241 (NONZERO_BASE_PLUS_P): Likewise.
19243 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19245 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19246 match_insn2 to match_insn.
19247 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19249 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19251 * Makefile.in (USER_H): Remove va-foo.h.
19253 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19254 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19255 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19256 va-spur.h,va-v850.h}: Remove.
19258 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19260 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19261 (in_return_delay): Use it instead of match_insn.
19263 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19265 * config/alpha/va_list.h (va-alpha.h): Do not include.
19266 (__gnuc_va_list): Typedef as in varargs.h.
19268 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19270 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19271 DECL_LIVE_RANGE_RTL.
19273 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19275 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19276 not NOTE_BLOCK_NUMBER.
19277 (expand_eh_region_end): Likewise.
19278 (find_exception_handler_labels): Likewise.
19279 (scan_region): Likewise.
19280 (exception_optimize): Likewise.
19281 (update_rethrow_references): Likewise.
19282 (set_insn_eh_region): Likewise.
19283 * final.c (final_scan_insn): Likewise.
19284 * flow.c (make_edges): Likewise.
19285 * integrate.c (expand_inline_function): Likewise.
19286 * print-rtl.c (print_rtx): Likewise.
19288 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19290 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19291 terms of builtin functions and types.
19293 * mips.c (mips_build_va_list): New.
19294 (mips_va_start, mips_va_arg): New.
19295 * mips.h (BUILD_VA_LIST_TYPE): New.
19296 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19298 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19299 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19300 * sh.h (BUILD_VA_LIST_TYPE): New.
19301 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19303 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19305 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19306 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19307 (struct insn_data): Likewise with n_operands, n_dups,
19308 n_alternatives, output_format.
19309 * regclass.c (scan_one_insn): Cast n_operands to int before
19310 arithmetic inside comparison.
19312 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19314 * toplev.c (compile_function): Unconditionally emit nop.
19316 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19318 * haifa-sched.c (actual_hazard): Move declaration of variable
19319 `this_cost' into the scope where it is used.
19321 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19323 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19324 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19325 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19327 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19329 * jump.c (find_insert_position): Don't declare or define unless
19330 !HAVE_conditional_arithmetic.
19331 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19333 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19335 * recog.c (offsettable_address_p): Prototype function pointer.
19336 (preprocess_constraints): Call memset, not bzero.
19338 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19339 (gcc_obstack_init): Don't declare.
19340 (fix_sizetype): Add static prototype.
19341 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19342 (tree_cons): Call memset, not bzero.
19344 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19345 definition in macro ASM_WEAKEN_LABEL.
19346 (mark_const_hash_entry): Add static prototype.
19348 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19350 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19352 * unroll.c (find_common_reg_term, subtract_reg_term,
19353 loop_find_equiv_value): Add static prototypes.
19354 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19355 (copy_loop_body): Remove unreachable break statement.
19357 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19359 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19361 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19363 Undo some changes from the gcc2 merge:
19364 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19365 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19369 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19370 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19371 initialized float-int union if the value is a NaN.
19373 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19375 * gthr-win32.h: New file.
19377 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19378 shared as a valid attribute.
19379 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19380 * extend.texi: Document `shared' variable attribute.
19382 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19384 * configure.in: Handle --enable-threads on FreeBSD.
19385 * configure: Rebuit.
19387 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19389 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19391 * configure: Rebuilt.
19393 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19394 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19395 Rosimildo DaSilva <rdasilva@connecttel.com>
19397 * configure.in (m68k-*-rtemscoff*): Added.
19398 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19399 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19400 sparc-rtems configuration.
19401 * configure.in (sparc-*-rtemself*): Added.
19402 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19403 * config/i386/rtems.h: Added comment.
19404 * config/sparc/rtemself.h: New file.
19406 * configure.in (m68k-rtemself): Added.
19407 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19408 and DWARF_DEBUGGING_INFO.
19409 * config/m68k/crti.s: New file.
19410 * config/m68k/crtn.s: New file.
19411 * config/m68k/t-crtstuff: New file.
19412 * config/m68k/rtemself.h: New file.
19414 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19415 global ctor/dtor and C++ exception handling.
19416 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19417 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19419 * config/i386/t-rtems-i386: New File.
19421 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19423 * stmt.c (expand_end_case): Return right away if the case stack is
19426 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19428 * Makefile.in (version.c): Remove rule incorrectly brought in from
19431 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19433 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19434 * msdos/top.sed: Take into account a prepended $(SHELL) to
19436 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19438 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19440 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19442 * regmove.c (fixup_match_1): Don't change an unchanging register.
19443 (stable_but_for_p): Renamed to:
19444 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19445 Changed all callers.
19447 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19449 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19450 insn from BL2 is after the insn from BL.
19452 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19454 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19455 (struct insn_data): Merge `template' and `outfun' into `output'.
19456 Add `output_format'.
19457 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19458 (struct data): Remove `outfun'; add `output_format'.
19459 (name_for_index): Remove declaration.
19460 (output_insn_data): Handle output formats.
19461 (process_template): Emit the bare array for @.
19462 (gen_expand, gen_split): Set output_format to NONE.
19463 * output.h (get_insn_template): Declare.
19464 * final.c (get_insn_template): New.
19465 (final_scan_insn): Use it.
19466 * toplev.c (compile_file): Likewise.
19468 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19469 * i860/i860.c (output_delayed_branch): Likewise.
19470 (output_delay_insn): Likewise.
19472 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19474 * rtl.c (obstack_alloc_rtx): Removed.
19476 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19478 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19480 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19482 * i386.c (call_insn_operand): Reject const_int.
19483 (expander_call_insn_operand): Use call_insn_operand.
19485 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19487 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19489 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19491 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19492 Use DImode operation.
19494 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19496 * gcc.c: Include sys/resource.h.
19497 (report_times): New flag.
19498 (execute): If report_times is set, calculate and report the
19499 CPU time consumed by each subprocess.
19501 (rus, prus): New globals.
19502 (option_map): Add --time.
19503 (display_help): Document -time.
19504 (process_command): Set report_times if -time is given.
19505 Turn off -pipe if -time is given.
19507 * invoke.texi: Document new option -time.
19509 * configure.in: Check for getrusage. Check if we have to
19510 prototype getrusage.
19511 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19512 * configure: Regenerate.
19513 * config.in: Regenerate.
19515 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19517 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19520 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19522 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19523 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19524 (nan): Return _thenan_sf or _thenan_df as appropriate.
19525 (L_thenan_sf): Define _thenan_sf.
19526 (L_thenan_df): Define _thenan_df.
19528 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19529 (DPBIT_FUNCS): Add _thenan_df.
19531 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19533 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19536 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19538 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19541 (lang_specific_driver): Don't take a function pointer parameter.
19542 All callers changed.
19544 * gcc.c: Include gcc.h.
19545 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19546 lang_specific_extra_outfiles, fatal): Don't declare.
19547 (multilib_defaults_raw): Constify.
19548 (read_specs): Call memset, rather than bzero.
19549 (main): Call return, not exit.
19550 (lookup_compiler): Call memcpy, not bcopy.
19551 (fatal): Make extern.
19553 * cppspec.c: Include gcc.h.
19554 (lang_specific_driver): Initialize variable `quote'. Constify a
19555 char*. All calls to the function pointer parameter now
19556 explicitly call `fatal'.
19558 * gccspec.c (lang_specific_driver): Include gcc.h.
19560 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19562 * arm.c (note_invalid_constants): Use recog_data.operand_type
19565 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19567 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19570 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19571 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19572 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19573 reload_secondary_in_reload, reload_secondary_out_reload,
19574 reload_secondary_in_icode, reload_secondary_out_icode,
19575 reload_reg_rtx, reload_when_needed): Delete declarations.
19576 (struct reload): New structure.
19577 (rld): Declare new array.
19578 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19579 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19580 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19581 reload_secondary_in_reload, reload_secondary_out_reload,
19582 reload_secondary_in_icode, reload_secondary_out_icode,
19583 reload_reg_rtx, reload_when_needed): Delete definitions.
19585 (whole file): Replace uses of the deleted arrays with uses of rld.
19586 * reload1.c (whole file): Replace uses of the deleted arrays with
19588 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19589 explicit loops, not with bcopy.
19591 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19593 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19594 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19595 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19596 insn_name): Delete and consolidate into new structures.
19597 (insn_operand_predicate_fn): New.
19598 (insn_output_fn): New.
19599 (insn_gen_fn): New.
19600 (struct insn_operand_data): New.
19601 (struct insn_data): New.
19603 (OUT_FCN): Update for insn_data change.
19604 * builtins.c (expand_builtin_strlen): Likewise.
19605 (expand_builtin_memcmp): Likewise.
19606 * combine.c (make_extraction, simplify_comparison): Likewise.
19607 * cse.c (canon_reg, cse_insn): Likewise.
19608 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19609 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19610 (emit_store_flag): Likewise.
19611 * expr.c (convert_move, emit_block_move): Likewise.
19612 (clear_storage, emit_push_insn, expand_increment): Likewise.
19613 (do_store_flag): Likewise.
19614 * expr.h (GEN_FCN): Likewise.
19615 (insn_gen_function): Die.
19616 * final.c (final_scan_insn): Update for insn_data change.
19617 (output_asm_name): Likewise.
19618 * function.c (fixup_var_refs_1): Likewise.
19619 * loop.c (check_dbra_loop): Likewise.
19620 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19621 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19622 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19623 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19624 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19625 * regmove.c (gen_add3_insn): Likewise.
19626 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19627 (find_reloads, find_reloads_address_1): Likewise.
19628 (debug_reload_to_stream): Likewise.
19629 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19630 * stmt.c (expand_end_case): Likewise.
19631 * toplev.c (compile_file): Likewise.
19633 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19634 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19636 * print-rtl.c (insn_name_ptr): Remove declaration.
19637 (get_insn_name): Declare.
19638 (print_rtx): Use it.
19639 * genoutput.c (insn_name_ptr): Remove.
19640 (next_operand_number): New.
19641 (struct operand_data): New.
19642 (null_operand, odata, odata_end): New.
19643 (struct data): Use struct operand_data.
19644 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19645 (get_insn_name): Renamed from name_for_index.
19646 (output_prologue): Define NO_MD_PROTOTYPES.
19647 (output_predicate_decls): Break out from output_epilogue.
19648 Iterate over the operands list.
19649 (output_operand_data): Break out from output_epilogue. Emit
19650 just the operands list.
19651 (output_insn_data): Break out from output_epilogue. Emit just
19653 (output_epilogue): Remove.
19654 (output_get_insn_name): New.
19655 (constraints, op_n_alternatives, predicates, address_p): Die.
19656 (modes, strict_low, seen): Die.
19657 (scan_operands): Take new param `d' instead of writing to
19658 seven global variables.
19659 (compare_operands): New.
19660 (place_operands): New.
19661 (validate_insn_alternatives): Update for struct data change.
19662 (gen_insn): Don't zero or copy 7 global arrays. Update for
19663 scan_operands; call place_operands.
19664 (gen_peephole, gen_expand, gen_split): Likewise.
19665 (main): Update for new output routines.
19667 * genattr.c (insn_name_ptr): Remove.
19668 (get_insn_name): New function.
19669 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19670 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19671 * genrecog.c: Likewise.
19673 * alpha.md (adddi3): Make `pattern' array static.
19675 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19677 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19678 c4x_cpu_version_string): Constify char *.
19679 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19680 c4x_cpu_version_string): Likewise.
19682 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19684 * tree.c (save_tree_status): Revert 10 Sep change.
19685 (restore_tree_status): Likewise. Call obstack_free with NULL
19686 before freeing the obstack proper.
19688 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19690 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19692 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19693 surrounding context.
19695 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19697 * tree.c (type_hash_canon): Put all types in the hash-table, when
19700 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19702 * recog.h (struct recog_data, recog_data): New.
19703 (recog_foo variables): Kill.
19704 * recog.c (recog_operand, recog_operand_loc): Kill.
19705 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19706 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19707 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19708 (recog_data): Define.
19709 (extract_insn): Update all recog_foo references to use recog_data.
19710 (preprocess_constraints, constrain_operands): Likewise.
19711 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19712 * genattrtab.c (main): Likewise.
19713 * genextract.c (main): Likewise.
19714 * genoutput.c: Likewise.
19715 * genrecog.c (write_subroutine, main): Likewise.
19716 * local-alloc.c (block_alloc): Likewise.
19717 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19718 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19719 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19720 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19721 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19722 (reload_cse_simplify_operands): Likewise.
19724 * arc/arc.c (arc_final_prescan_insn): Likewise.
19725 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19726 * h8300/h8300.c (notice_update_cc): Likewise.
19727 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19728 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19729 * mn10200/mn10200.c (notice_update_cc): Likewise.
19730 * mn10300/mn10300.c (notice_update_cc): Likewise.
19731 * romp/romp.c (update_cc): Likewise.
19732 * sparc/sparc.c (check_pic): Likewise.
19733 * v850/v850.c (notice_update_cc): Likewise.
19735 * genemit.c (main): Don't declare recog_operand.
19737 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19739 * ggc.h (rtvec_def): Forward declare.
19740 (tree_node): Likewise.
19741 (ggc_root): Define.
19743 (ggc_set_mark_rtx): Add prototype.
19744 (ggc_set_mark_rtvec): Likewise.
19745 (ggc_set_mark_tree): Likewise.
19746 * ggc-simple.c (ggc_root): Don't define.
19747 (roots): Don't declare.
19748 (ggc_mark_rtx): Remove.
19749 (ggc_mark_rtvec): Likewise.
19750 (ggc_mark_tree): Likewise.
19751 (ggc_mark_varray): Likewise.
19752 (ggc_mark_tree_hash_table_entry): Likewise.
19753 (ggc_mark_tree_hash_table): Likewise.
19754 (ggc_set_mart_rtx): New function.
19755 (ggc_set_mark_rtvec): Likewise.
19756 (ggc_set_mark_tree): Likewise.
19757 (ggc_add_root): Remove.
19758 (ggc_add_rtx_root): Likewise.
19759 (ggc_remove_tree_root): Likewise.
19760 (ggc_add_string_root): Likewise.
19761 (ggc_add_tree_varray_root): Likewise.
19762 (ggc_add_tree_hash_table_root): Likewise.
19763 (ggc_del_root): Likewise.
19764 (ggc_mark_rtx_ptr): Likewise.
19765 (ggc_mark_tree_ptr): Likewise.
19766 (ggc_mark_string_ptr): Likewise.
19767 (ggc_mark_tree_varray_ptr): Likewise.
19768 (ggc_mark_tree_hash_table_ptr): Likewise.
19769 * ggc-common.c: New file.
19770 * Makefile.in (OBJS): Add ggc-common.o.
19771 (ggc-common.o): List dependencies.
19773 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19775 * cppalloc.c (xstrdup): Use memcpy.
19776 * cpperror.c (cpp_print_containing_files): Don't use
19778 * cpplib.c (conditional_skip): Set temp->lineno.
19779 (do_endif): Make error message less obscure.
19780 (if_directive_name): New function.
19781 (cpp_get_token [case EOF]): Unwind the if stack and generate
19782 error messages for each unterminated conditional in this file.
19783 (parse_string): Do not behave differently if -traditional.
19785 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19787 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19788 va_list decomposing to pointer-type.
19789 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19790 (rs6000_va_arg): Likewise.
19792 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19794 * except.c (start_dynamic_handler): Compute size using
19795 STACK_SAVEAREA_MODE.
19797 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19799 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19800 include directory headers. Don't define strrchr. Don't provide
19801 my_* replacement functions. Prefer PTR over `pointer_type'.
19802 Don't prototype system functions. Don't redefine getopt.
19804 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19805 safe_read, safe_write, save_pointers, restore_pointers,
19806 is_id_char, in_system_include_dir, directory_specified_p,
19807 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19808 find_corresponding_lparen, referenced_file_is_newer,
19809 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19810 process_aux_info_file, identify_lineno, check_source,
19811 seek_to_line, forward_to_next_token_char, output_bytes,
19812 output_string, output_up_to, other_variable_style_function,
19813 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19814 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19815 find_static_definition, connect_defs_and_decs, add_local_decl,
19816 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19817 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19818 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19819 scan_for_missed_items, edit_file, string_list_cons): Add static
19821 (standard_exec_prefix, target_machine, target_version,
19822 default_syscalls_dir, string_list, string_list_cons, find_file,
19823 do_cleaning): Constify a char*.
19824 (safe_read, safe_write): Use PTR, not a char*.
19825 (is_id_char): Take an int, not a char.
19826 (main): Add prototype. Call return, not exit.
19828 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19830 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19831 when comparing types.
19833 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19835 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19836 (strength_reduce): Release the varrays from the no-bivs early exit.
19838 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19839 the loop over the registers.
19841 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19843 (restore_tree_status): Check that instead when freeing the obstack.
19845 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19847 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19850 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19852 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19853 operand size modifiers.
19855 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19857 * c-common.c (c_common_nodes_and_builtins): Don't build
19859 * c-common.h (enum c_tree_index and related accesor macros): Remove
19860 everything now declared in tree.h.
19861 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19862 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19863 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19864 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19865 unsigned_type_node, ptr_type_node, va_list_type_node,
19866 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19867 (init_decl_processing): Call build_common_tree_nodes and
19868 build_common_tree_nodes_2 instead of building their nodes here.
19869 Don't add roots for these nodes.
19870 * stor-layout.c (size_zero_node, size_one_node): Delete.
19871 (set_sizetype): Make a new node for bitsizetype each time.
19872 * tree.c (global_trees): New variable.
19873 (init_obstacks): Add a gc root for it.
19874 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19875 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19876 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19877 (build_common_tree_nodes): New function.
19878 (fix_sizetype): New function.
19879 (build_common_tree_nodes_2): New function.
19880 * tree.h (enum tree_index): New.
19881 (global_trees): Declare.
19882 Add accessor macros for all nodes now moved to global_trees.
19883 Delete their declarations.
19885 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19887 * c-decl.c (finish_function): When processing a nested function,
19888 push and pop GC context around rest_of_compilation.
19890 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19892 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19893 Default ix86_arch to PROCESSOR_I386.
19894 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19895 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19896 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19897 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19898 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19899 (EXTRA_SPECS): Remove deleted specs.
19901 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19903 * function.c (assign_stack_local_1): Allocate from
19904 function->x_frame_offset, not frame_offset.
19906 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19908 * ggc.h (lang_cleanup_tree): Remove.
19909 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19910 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19912 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19913 TYPE_LANG_SPECIFIC when garbage collecting.
19914 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19915 (lang_cleanup_tree): Remove.
19917 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19919 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19920 * crtstuff.c: Not here.
19921 * dwarf2out.c: Or here.
19922 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19925 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19927 * function.h (free_after_compilation): Remove decl parameter.
19928 (free_varasm_status0: Likewise.
19929 (free_emit_status): Likewise.
19930 (free_stmt_status): Likewise.
19931 (free_after_compilation): Likewise.
19932 (init_lang_status): New variable.
19933 (free_lang_status): Likewise.
19934 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19935 * function.c (init_lang_status): New variable.
19936 (free_lang_status): Likewise.
19937 (push_function_context_to): Don't set function::decl here.
19938 (free_after_copmilation): Make decl parameter implicit. Call
19939 free_lang_status if defined.
19940 (prepare_function_start): Call init_lang_status if defined.
19941 (init_function_start): Set function::decl here.
19942 * profile.c (output_func_start_profiler): Don't call pushdecl
19943 until we've actually started the function.
19944 * stmt.c (free_stmt_status): Make decl parameter implicit.
19945 * toplev.c (rest_of_compilation): Don't pass decl to
19946 free_after_compilation.
19947 * varasm.c (free_varasm_status): Likewise.
19949 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19951 * except.c (call_get_eh_context): Add root when allocating static
19954 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19956 * arm.c: Include "ggc.h".
19957 (arm_add_gc_roots): New function.
19958 (arm_override_options): Call it.
19959 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19961 * arm.md (define_asm_attributes): Add a pool_range attribute.
19963 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19965 * extend.texi (Volatiles): New node.
19967 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19969 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19970 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19971 (struct ggc_any): Replace `mark' with `magic_mark'.
19972 (ggc_alloc_string): Use memcpy, not bcopy.
19973 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19974 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19975 (ggc_free_any): New.
19976 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19977 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19978 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19979 Use IS_MARKED. Use ggc_free_any.
19981 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19983 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19985 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19987 * toplev.c (main): Always init_ggc.
19989 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19991 * except.c (find_all_handler_type_matches): Free the list if
19992 we found no matches.
19994 * combine.c (SUBST): Break out to a real function do_SUBST.
19995 (SUBST_INT): Likewise.
19996 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19997 (pre_insert): Free `inserted'.
19998 * loop.c (basic_induction_var): Always set `location'.
20000 * function.c (expand_function_end): Add initial_trampoline as a root.
20001 * rtl.h (init_varasm_once): Declare.
20002 * toplev.c (compile_file): Call it.
20003 * ggc-simple.c (ggc_mark_string_ptr): New.
20004 (ggc_add_string_root): New.
20005 (ggc_collect): Disable collection avoidance temporarily.
20006 * ggc.h (ggc_add_string_root): Declare.
20007 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20008 * optabs.c (init_libfuncs): Likewise.
20009 * varasm.c (named_section): Use ggc_alloc_string.
20010 (make_function_rtl): Likewise.
20011 (make_decl_rtl): Likewise.
20012 (assemble_static_space): Likewise.
20013 (assemble_trampoline_template): Likewise.
20014 (output_constant_def): Likewise.
20015 (force_const_mem): Likewise.
20016 (mark_const_hash_entry): New.
20017 (mark_pool_sym_hash_table): New.
20018 (mark_varasm_state): Use it.
20019 (init_varasm_once): New.
20021 * expr.h (init_one_libfunc): Declare.
20022 * optabs.c (init_one_libfunc): New.
20023 (init_optabs): Use it.
20024 * config/gofast.h: Likewise.
20025 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20026 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20028 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20030 * Makefile.in (cppexp.o): Depend on cpphash.h.
20031 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20033 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20034 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20035 redefining poisoned identifiers, etc.
20036 (do_undef): Don't allow poisoned identifiers to be undefined.
20037 (do_pragma): Add #pragma poison.
20038 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20040 * cccp.c: Add T_POISON node type.
20041 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20043 (do_define): Generalise to handle poisoned definitions,
20044 redefining poisoned identifiers, etc.
20045 (do_undef): Don't allow poisoned identifiers to be undefined.
20046 (do_pragma): Add #pragma poison.
20047 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20049 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20050 * c-pragma.h: Add ps_poison state. We now always have generic
20053 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20055 * ggc.h (ggc_alloc): New function.
20056 (ggc_mark): Likewise.
20057 * ggc-simple.c (ggc_any): New structure.
20058 (ggc_status): Add anys.
20059 (n_anys_collected): New variable.
20060 (ggc_alloc): Define.
20061 (ggc_mark): Likewise.
20062 (ggc_collect): Collect the anys.
20064 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20066 * c-decl.c (mark_binding_level): Make static to match prototype.
20068 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20070 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20072 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20074 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20075 will use into account. Expand the max width to 5.
20078 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20080 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20081 for the rtx length.
20083 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20085 * alpha.md (call value patterns): Remove the result predicates.
20087 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20089 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20092 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20094 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20095 changed from extern char *, to extern PTR. Also fix typo in
20096 NEED_DECLARATION_REALLOC test.
20098 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20100 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20102 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20103 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20104 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20105 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20107 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20109 * cccp.c (pcfinclude): Likewise.
20111 * global.c (allocno_compare): Likewise.
20113 * haifa-sched.c (rank_for_schedule): Likewise.
20115 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20117 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20119 * stupid.c (stupid_reg_compare): Likewise.
20121 * tree.c (_obstack_allocated_p): Likewise.
20123 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20125 1999-09-08 Bruce Korb autogen@linuxbox.com
20127 * Makefile.in: Give the hapless gperf user a hint about
20128 why "gperf -F" fails.
20130 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20132 * lists.c: Include ggc.h.
20134 (init_EXPR_INSN_LIST_cache): Install it.
20136 * ggc-simple.c (init_ggc): Absorb the old init.
20137 (ggc_push_context): Use xcalloc.
20138 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20139 (ggc_collect): Add [rvts] tags to the collection stats.
20141 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20143 * cccp.c (main): Fix handling of -include and -imacros options.
20145 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20147 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20149 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20151 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20154 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20156 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20157 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20158 and SET_DEST. Update comment.
20160 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20162 * config/c4x/c4x.c: Include ggc.h.
20163 (c4x_add_gc_roots): New function.
20164 (c4x_override_options): Call c4x_add_gc_roots.
20166 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20168 * defaults.h (TARGET_ESC): Move ...
20169 * system.h: ... here, where Linas had it in the first place. Silly me.
20171 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20173 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20174 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20175 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20176 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20177 * defaults.h (TARGET_ESC): Add default.
20179 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20181 * configure.in: add i370-*-openedition, i370-*-mvs and
20182 i370-*-linux targets
20184 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20186 * dsp16xxx.c: Include ggc.h
20187 (override_options): Mark GC roots.
20188 * mn10200.c: Include ggc.h.
20189 (asm_file_start): Mark GC roots.
20190 * tahoe.c: Include ggc.h.
20191 (extensible_operand): Mark GC roots.
20193 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20195 * README: Add section discussing status of ELF ABI.
20196 * i370.c: Fix misc spelling mistakes.
20197 (i370_label_scan): Updated notes, exception handling.
20198 (i370_function_prolog): Simplify ELF stack handling.
20199 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20200 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20201 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20202 * i370.md: (movdi): Add notes.
20203 (floatsidf2): Use stack not rtca for scratch float area.
20204 (iorsi3): Correct operand constraints.
20205 * x-oe: Restore TAROUTOPTS which are used by pax.
20207 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20209 * rs6000.c: Include ggc.h.
20210 (rs6000_add_gc_roots): New function.
20211 (override_options): Call it.
20213 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20215 * alpha.h (alpha_compare): New.
20216 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20217 * alpha.c: Likewise for the definitions.
20218 (alpha_emit_conditional_branch): Update for alpha_compare.
20219 (alpha_emit_conditional_move): Likewise.
20220 * alpha.md (cmpdf, cmpdi): Likewise.
20221 (setcc patterns): Likewise. Zero alpha_compare after use.
20222 (sne): Optimize (x != 0) into (0U < x).
20224 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20226 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20227 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20228 (INIT_EXPANDERS): Remove.
20229 * alpha.c: Include ggc.h.
20230 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20231 (alpha_init_machine_status, alpha_mark_machine_status): New.
20232 (override_options): Install them.
20233 (struct machine_function): Moved to alpha.h.
20234 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20235 (alpha_init_expanders): Remove.
20236 (alpha_return_addr): Adjust to use current_function->machine.
20237 (alpha_ra_ever_killed): Likewise.
20238 (alpha_expand_epilogue): Likewise.
20239 * alpha.md (eh_epilogue): Likewise.
20241 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20242 Melissa O'Neill <oneill@cs.sfu.ca>
20243 Geoffrey Keating <geoffk@cygnus.com>
20245 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20246 call-used registers (call-saved registers must still be contiguous
20247 and end with r31, of course).
20249 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20251 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20252 (self_promoting_type_p): Delete.
20253 (self_promoting_args_p): Move ...
20254 * c-common.c: ... here.
20255 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20256 (simple_type_promotes_to): New.
20257 * builtins.c (lang_type_promotes_to): New.
20258 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20259 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20260 * c-common.h: ... here.
20261 (self_promoting_args_p, simple_type_promotes_to): Declare.
20262 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20263 (grokdeclarator): Likewise.
20264 * tree.h (lang_type_promotes_to): Declare.
20266 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20268 Add some machine-dependent GC roots.
20269 * sparc.c: Include ggc.h.
20270 (sparc_add_gc_roots): New function.
20271 (mark_ultrasparc_pipeline_state): Likewise.
20272 (override_options): Call sparc_add_gc_roots.
20273 * pa.c: Include ggc.h.
20274 (pa_add_gc_roots): New function.
20275 (mark_deferred_plabels): Likewise.
20276 (override_options): Call pa_add_gc_roots.
20277 * mips.c: Include ggc.h.
20278 (mips_add_gc_roots): New function.
20279 (override_options): Use it.
20281 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20283 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20285 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20286 cpp_parse_expr): Add static prototypes.
20287 (parse_charconst): Don't cast away const-ness.
20288 (token): Constify a char*.
20290 * cppfiles.c (file_name_list, include_hash, find_include_file,
20291 finclude, initialize_input_buffer): Constify a char*.
20292 (file_cleanup, find_position): Add static prototypes.
20294 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20295 collect_expansion): Add static prototypes.
20296 (cpp_install, create_definition, monthnames): Constify a char*.
20298 * cpphash.h (cpp_install): Likewise.
20300 * cppinit.c (known_suffixes, default_include,
20301 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20302 (base_name, dump_special_to_buffer, initialize_dependency_output):
20303 Add static prototypes.
20305 * cpplib.c (my_strerror): Constify a char*.
20306 (null_underflow, null_cleanup, skip_comment, copy_comment,
20307 copy_rest_of_line, handle_directive, pass_thru_directive,
20308 get_directive_token, read_line_number, cpp_print_file_and_line,
20309 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20310 v_cpp_warning_with_line, detect_if_not_defined,
20311 consider_directive_while_skipping): Add static prototypes.
20312 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20313 cpp_pedwarn_with_file_and_line): Constify a char*.
20315 * cpplib.h (cpp_options, include_hash, progname, definition,
20316 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20317 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20318 find_include_file, deps_output, include_hash): Constify a char*.
20320 * cppmain.c (progname): Constify.
20321 (main): Add prototype. Use return, not exit.
20323 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20324 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20325 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20326 check_protection): Add static prototype.
20328 (progname, recognized_macrom, recognized_extern): Constify a char*.
20329 (main): Add prototype.
20331 * gen-protos.c (progname): Constify a char*.
20333 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20335 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20336 (init_emit_once): Add more GC roots.
20337 * except.c (mark_func_eh_entry): New function.
20338 (mark_eh_node): Mark false_label and rethrow_label.
20339 (init_eh): Add more GC roots.
20340 * function.c (free_after_compilation): Take decl as a paramter.
20341 Call free_stmt_status.
20342 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20344 * function.h (free_after_compilation): Change prototype.
20345 (free_varasm_status): Likewise.
20346 (free_emit_status): Likewise.
20347 (free_stmt_status): New function.
20348 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20349 Remove, replacing with ...
20350 (ggc_status): New structure.
20351 (ggc_chain): New variable.
20352 (init_gcc): Define.
20353 (ggc_push_context): New function.
20354 (ggc_pop_context): Likewise.
20355 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20356 (ggc_alloc_rtvec): Likewise.
20357 (ggc_alloc_tree): Likewise.
20358 (ggc_alloc_string): Likewise.
20359 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20360 (ggc_mark_tree): Give language-dependent code a chance to mark
20362 (ggc_mark_tree_varray): Handle empty arrays.
20363 (ggc_collect): Adjust for use of ggc_chain. Clear
20364 bytes_alloced_since_last_gc.
20365 * ggc.h (ggc_pop_context): New function.
20366 (ggc_push_context): Likewise.
20367 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20368 * stmt.c (free_stmt_status): New function.
20369 (init_stmt_for_function): Clear last_expr_value.
20370 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20371 Conditionalize call to ggc_collect.
20372 (main): Call init_ggc.
20373 * tree.c (push_obstacks): Do the push, even when GC'ing.
20374 (push_obstacks_nochange): Likewise.
20375 (pop_obstacks): Liekwise.
20376 * varasm.c (free_varasm_status): Take decl as a parameter.
20378 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20380 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20381 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20382 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20383 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20385 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20387 * pa/x-pa-mpeix: New file for the MPE port.
20389 * pa/quadlib.asm: New file for long double support.
20391 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20392 * configure: Rebuilt.
20394 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20396 * final.c (shorten_branches): Fix last change.
20398 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20400 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20402 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20404 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20407 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20409 * c-aux-info.c (concat): Don't define.
20411 * cccp.c (my_strerror): Likewise. All callers changed to use
20413 (do_include): Call xstrdup, not xmalloc/strcpy.
20414 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20415 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20417 * collect2.c (my_strsignal): Likewise. All callers changed to use
20419 (locatelib): Call xstrdup, not xmalloc/strcpy.
20421 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20423 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20425 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20427 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20429 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20431 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20433 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20435 (find_all_handler_type_matches): Likewise. Don't check return
20437 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20438 xmalloc, not malloc.
20439 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20441 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20442 (init_spec): Call xcalloc, not xmalloc/bzero.
20443 (set_spec): Call xstrdup, not save_string.
20444 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20445 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20446 (process_command): Call xstrdup, not save_string.
20447 (main): Call xcalloc, not xmalloc/bzero.
20449 * gcov.c (xmalloc): Don't define.
20450 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20451 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20452 (output_data): Call xcalloc, not xmalloc/bzero.
20454 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20456 * mips-tdump.c (xmalloc): Don't define.
20457 (print_symbol): Call xmalloc, not malloc.
20458 (read_tfile): Call xcalloc, not calloc.
20460 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20461 Don't define. All callers of xfree/my_strsignal changed to use
20462 free/strsignal instead.
20463 (allocate_cluster): Call xcalloc, not calloc.
20465 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20466 Fix memory leak, free allocated memory.
20468 * prefix.c (translate_name): Call xstrdup, not save_string.
20469 (update_path): Likewise.
20471 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20473 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20474 Don't define. Callers of xfree/savestring2 changed to use
20475 free/concat instead.
20477 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20478 (init_elim_table): Likewise.
20480 * resource.c (init_resource_info): Likewise.
20482 * stupid.c (stupid_life_analysis): Likewise.
20484 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20485 (open_dump_file): Call concat, not xmalloc/strcpy/...
20486 (clean_dump_file): Likewise.
20487 (compile_file): Call xstrdup, not xmalloc/strcpy.
20489 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20491 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20492 * v850.c (v850_va_arg): New.
20494 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20496 * haifa-sched.c: Tidy comments.
20498 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20500 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20501 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20502 $(out_object_file)): Depend on ggc.h.
20503 * c-common.c: Include "ggc.h".
20504 (combine_strings): If doing GC, use ggc_alloc_string.
20505 * c-decl.c: Include "ggc.h".
20506 (ggc_p): Define with value 0.
20507 (mark_binding_level): New function.
20508 (init_decl_processing): Add GC roots.
20509 (mark_c_function_context): New function.
20510 (lang_mark_false_label_stack): New function.
20511 (lang_mark_tree): New function.
20512 (lang_cleanup_tree): New function.
20513 * c-lang.c: Include "ggc.h".
20514 (lang_init): Call c_parse_init.
20515 * c-lex.c: Include "ggc.h".
20516 (check_linenum): If doing GC, don't copy filenames to permanent
20518 * c-parse.in: Include "ggc.h".
20519 (c_parse_init): New function.
20520 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20521 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20523 * except.c (mark_eh_state): Mark more state.
20524 * function.c (mark_function_state): Likewise.
20525 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20526 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20527 * toplev.c (mark_file_stack): New function.
20528 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20529 (main): Add root for input_file_stack.
20531 * i386.c: Include "ggc.h".
20532 (ix86_mark_machine_status): New function.
20533 (override_options): Set mark_machine_status.
20535 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20537 * tree.c (copy_node): Copy node contents also if doing GC.
20539 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20541 * collect2.c (scan_libraries): Fix double-thinko :-).
20543 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20545 * collect2.c (scan_libraries): Fix thinko.
20547 * cse.c (delete_trivially_dead_insns): Do not skip the last
20548 insn if it is a real insn.
20550 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20552 * Makefile.in (ggc-simple.o): Depend on hash.h.
20553 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20554 (ggc_mark_tree_varray): Likewise.
20555 (ggc_mark_tree_hash_table): Likewise.
20556 * ggc-simple.c: Include hash.h.
20557 (ggc_mark_tree_hash_table_ptr): New function.
20558 (ggc_mark_tree_hash_table_entry): Likewise.
20559 (ggc_mark_tree_hash_table): Likewise.
20560 (ggc_add_tree_hash_table_root): Likewise.
20561 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20562 rtx, when defining fields.
20564 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20566 * profile.c (output_func_start_profiler): Remove apparently
20567 nonsensical call to start_sequence.
20569 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20571 * clipper/clipper.c (clipper_va_start): Fix typos.
20573 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20574 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20575 (spur_va_arg): New stub.
20577 * configure.in: Comment out pyramid.
20579 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20581 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20582 don't conflict with the bits that win32, cygwin, and dgux
20585 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20586 Bernd Schmidt <bernds@cygnus.co.uk>
20588 * integrate.c (function_cannot_inline_p): Do not inline
20589 functions with forced labels.
20591 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20592 Bernd Schmidt <bernds@cygnus.co.uk>
20593 Mark Mitchell <mark@codesourcery.com>
20595 * Makefile.in (ggc-simple.o): Depend on varray.h.
20596 (rtl.o): Depend on ggc.h.
20597 (genattrtab.o): Depend on ggc.h.
20598 (print-tree.o): Likewise.
20599 (fold-const.o): Likewise.
20600 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20601 (make_insn_raw): Don't cache insns when GC'ing.
20602 (emit_insn_before): Likewise.
20603 (emit_insn_after): Likewise.
20604 (emit_insn): Likewise.
20605 (start_sequence): Use xmalloc to allocate the sequence_stack.
20606 (end_sequence): Add free to free it.
20607 (gen_sequence): Don't cache insns when GC'ing.
20608 (clear_emit_caches): Don't use sequence_element_free_list.
20609 (init_emit): Use xcalloc, not xmalloc+bzero.
20610 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20611 * function.c (pop_function_context_from): Use free to free the
20612 fixup_var_refs_queue.
20613 (put_reg_into_stack): Allocate it with xmalloc.
20614 * genattrtab.c: Include ggc.h.
20615 (operate_exp): Don't use obstack_free when GC'ing.
20616 (simplify_cond): Likewise.
20617 (simplify_text_exp): Likewise.
20618 (optimize_attrs): Likewise.
20619 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20621 (gencode): Generate a #include for ggc.h.
20622 * ggc-callbacks.c (ggc_p): Define it to zero.
20623 * ggc-none.c (ggc_p): Likewise.
20624 * ggc-simple.c: Include varray.h.
20625 (ggc_mark_tree_varray): New function.
20626 (ggc_add_tree_varray_root): Likewise.
20627 (ggc_mark_tree_varray_ptr): Likewise.
20628 * ggc.h (ggc_p): Declare.
20629 (varray_head_tag): Likewise.
20630 (ggc_add_tree_varray_root): Declare.
20631 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20632 inconsistencies when GC'ing.
20633 * rtl.c: Include ggc.h.
20634 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20635 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20636 (rtx_free): Don't call obstack_free when GC'ing.
20637 * toplev.c (rest_of_compilation): Call ggc_collect after every
20639 * tree.c (push_obstacks): Do nothing, if GC'ing.
20640 (pop_obstacks_nochange): Likewise.
20641 (pop_obstacks): Likewise.
20642 (make_node): Use ggc_alloc_tree when GC'ing.
20643 (copy_node): Likewise.
20644 (get_identifier): Use ggc_alloc_string when GC'ing.
20645 (build_string): Likewise.
20646 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20647 (tree_cons): Likewise.
20648 (build1): Likewise.
20649 (type_hash_canon): Don't call obstack_free when GC'ing.
20651 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20653 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20654 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20656 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20657 Bernd Schmidt <bernds@cygnus.co.uk>
20658 Mark Mitchell <mark@codesourcery.com>
20660 * Makefile.in (stor-layout.o): Depend on ggc.h.
20661 (expr.o): Depend on ggc.h.
20662 (profile.o): Depend on ggc.h.
20663 (stor-layout.o): Depend on ggc.h.
20664 * emit-rtl.c (init_emit_once): Add gc roots.
20665 * expr.c: Include ggc.h.
20666 (emit_block_move): Add gc roots.
20667 (clear_storage): Likewise.
20668 * expr.h (init_stor_layout_once): New function.
20669 * profile.c: Include ggc.h.
20670 (init_arc_profiler): profiler_label is a root.
20671 * scan.c (make_sstring_space): Trust xrealloc to function
20672 correctly with first parameter NULL.
20673 * stor-layout.c: Include ggc.h.
20674 (set_sizetype): Add gc root.
20675 (init_stor_layout_once): New function.
20676 * toplev.c (compile_file): Call it.
20678 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20679 Bernd Schmidt <bernds@cygnus.co.uk>
20680 Mark Mitchell <mark@codesourcery.com>
20682 * Makefile.in (tree.o): Depend on ggc.h.
20683 (varasm.o): Likewise.
20684 (function.o): Likewise.
20685 (stmt.o): Likewise.
20686 (except.o): Likewise.
20687 (optabs.o): Likewise.
20688 (emit-rtl.o): Likewise.
20689 * emit-rtl.c: Include ggc.h.
20690 (sequence_element_free_list): Remove, and all references.
20691 (mark_sequence): New functions.
20692 (mark_emit_state): New function.
20693 * except.c: Include ggc.h.
20694 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20695 (mark_tree_label_node): New functions.
20696 (mark_eh_state): New function.
20697 * function.c: Include ggc.h.
20698 (mark_temp_slot, mark_function_chain): New functions.
20699 (mark_function_state): New function.
20700 (init_function_once): New function.
20701 * function.h (init_function_once): New function.
20702 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20703 * ggc.h (label_node): Declare.
20704 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20705 (lang_mark_false_label_stack): New function.
20706 (mark_temp_slot): Remove declaration.
20707 (mark_function_chain): Likewise.
20708 (mark_eh_state): Adjust prototype.
20709 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20711 * optabs.c: Include ggc.h.
20712 (mark_optab): New function.
20713 (init_optabs): Add gc roots.
20714 * stmt.c: Include ggc.h.
20715 (mark_cond_nesting, mark_loop_nesting): New functions.
20716 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20717 (mark_stmt_state): New function.
20718 * toplev.c (compile_file): Call init_function_once.
20719 * tree.c: Include ggc.h.
20720 (type_hash): Move declaration earlier in file.
20721 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20722 (init_obstacks): Add gc roots.
20723 (mark_type_hash): New function.
20724 * varasm.c: Include ggc.h.
20725 (mark_pool_constant): New function.
20726 (mark_varasm_state): New function.
20728 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20730 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20732 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20734 * c-decl.c (struct language_function): Renamed from struct c_function.
20736 (c_function_chain): Delete.
20737 (push_c_function_context): New arg F. Don't warn about nested
20738 functions here. Fill LANGUAGE elt of F. Delete code to update
20739 c_function_chain. Don't call push_function_context.
20740 (pop_c_function_context): New arg F. Restore from there instead of
20741 from c_function_chain. Don't call pop_function_context. Clear out
20742 LANGUAGE field of F when done.
20743 * c-lang.c: Include "function.h"
20744 (lang_init): Initialize save_lang_status and restore_lang_status.
20745 * c-parse.in (nested_function, nested_function_notype): Warn about
20746 nested functions. Call push_function_context/pop_function_context
20747 instead of the _c_ variants.
20748 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20750 * Makefile.in (c-lang.o): Update dependencies.
20752 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20753 regno_pointer_flag, regno_pointer_align.
20754 (gen_reg_rtx): Use xrealloc to enlarge them.
20755 (free_emit_status): New function.
20756 * function.c (mark_machine_status, mark_lang_status): New variables.
20757 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20758 in some bits from assign_stack_local. All callers changed to use new
20760 (assign_stack_local): Just call assign_stack_local_1.
20761 (free_after_compilation): New function.
20762 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20763 (trampoline_address): Likewise.
20764 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20765 (prepare_function_start): Explicitly clear some more variables.
20766 * function.h (struct function): New elt can_garbage_collect.
20767 (mark_machine_status, mark_lang_status): Declare variables.
20768 (free_after_compilation, free_emit_status, free_varasm_status,
20769 init_varasm_status): Declare functions.
20770 * toplev.c (rest_of_compilation): Call free_after_compilation when
20771 done with the current function.
20772 * varasm.c (free_varasm_status): New function.
20774 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20776 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20777 (EXPAND_BUILTIN_VA_ARG): Define.
20778 * sparc.c (sparc_va_start): New.
20779 (sparc_va_arg): New.
20781 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20783 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20785 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20787 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20789 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20791 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20792 (OBJS): Add $(GGC).
20793 (ggc-callbacks.o): New target.
20794 * ggc-callbacks.c: New file.
20796 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20798 * expr.h: Collapse individual optab and libfunc vars to arrays.
20799 (optab_index, libfunc_index): New enumerations.
20800 (optab_table, libfunc_table): New arrays.
20801 Add accessor macros for both.
20803 * optabs.c (optab_table, libfunc_table): New.
20804 Delete declarations for individual optab and libfunc vars.
20806 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20808 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20810 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20812 * Makefile.in (GGC, GGC_LIB): New.
20813 (HOST_RTL): Include ggc-none.o.
20814 (ggc-simple.o): New target.
20815 (ggc-none.o): Likewise.
20816 * tree.h (tree_common): Add gc_mark.
20817 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20818 (struct rtvec_def): Add gc_mark.
20819 * emit-rtl.c (global_rtl): Update static initializers to contain
20820 enough initializers.
20821 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20822 * toplev.c (gc_time): New variable.
20823 (all_time): New variable.
20824 (compile_file): Print gc time.
20825 (print_time): Calculate percentage of the whole.
20827 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20829 Change obstack memory management and varasm constant pool handling so
20830 that nested functions are treated like any other functions.
20831 * function.c (init_machine_status): New variable.
20832 (push_function_context_to): Set contains_functions for the outer
20833 function. Don't call save_varasm_status.
20834 (pop_function_context_from): Don't call restore_varasm_status. Don't
20835 set current_function_contains_functions.
20836 (prepare_function_start): Call init_varasm_status rather than
20837 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20839 * function.h (struct function) Add field varasm. Delete fields
20840 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20841 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20842 (init_machine_status): Declare.
20843 (save_varasm_status, restore_varasm_status): Delete declarations.
20844 (save_tree_status, restore_tree_status): Delete last argument.
20845 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20846 code. All callers changed.
20847 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20848 save_constants_in_decl_trees, restore_constants, save_constants,
20849 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20851 (inlining): New variable.
20852 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20853 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20855 (save_for_inline_nocopy): Don't save constants.
20856 Don't set inl_emit field in current_function.
20857 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20858 function. Set new variable inlining before
20859 calling copy_rtx_and_substitute.
20860 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20861 constant pool references if inlining is nonzero.
20862 Delete ADDRESS and (most of the) CONST cases.
20863 (output_inline_function): Save and restore current_function/
20864 current_function_decl. Delete restore_constants code. Don't call
20865 init_const_rtx_hash_table.
20866 * output.h (init_const_rtx_hash_table): Don't declare.
20867 * rtl.h (struct function): Declare.
20868 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20869 * toplev.c (rest_of_compilation): Don't treat nested functions or
20870 functions containing them specially. Delete all code to deal with
20871 save_for_inline_copying.
20872 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20873 inline_obstacks): Delete variables.
20874 (save_tree_status): Lose arg CONTEXT. All callers changed.
20875 Simply allocate a new function_maybepermanent_obstack for the new
20876 function, delete all the special cases.
20877 Don't save inline_obstacks.
20878 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20879 Delete special handling for function_maybepermanent_obstack; simply
20881 Don't restore inline_obstacks.
20882 (permanent_allocation): Delete code that frees inline_obstacks.
20883 (print_inline_obstack_statistics): Delete function.
20884 (dump_tree_statistics): Don't call it.
20885 * varasm.c (struct varasm_status): New.
20886 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20887 last_pool, pool_offset, const_double_chain): Delete global
20888 variables, replace with accessor macros.
20889 (immed_double_const): Don't walk const_double_chain outside a
20890 function, but don't treat nested functions specially anymore.
20891 (immed_real_const_1): Likewise.
20892 (clear_const_double_mem): Don't treat nested functions specially.
20893 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20894 (save_varasm_status, restore_varasm_status): Delete functions.
20895 (init_varasm_status): New function.
20896 (force_const_mem): Don't treat nested functions specially.
20897 (find_pool_constant): Accept new arg F, search for constants in
20898 that function's pool rather than the current one. All callers
20900 (get_pool_constant_for_function, get_pool_mode_for_function): New
20903 * i386.c (init_386_machine_status): New function, mostly from
20904 clear_386_stack_locals.
20905 (struct machine_functions): Rename element names to avoid name
20907 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20908 macros, replacing global variables.
20909 (clear_386_stack_locals, save_386_machine_status,
20910 restore_386_machine_status): Delete functions.
20911 (override_options): Initialize init_machine_status.
20912 * i386.h (INIT_EXPANDERS): Delete macro.
20913 (save_386_machine_status, restore_386_machine_status,
20914 clear_386_stack_locals): Delete declarations.
20916 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20918 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20919 (doloop_begin): Simplify pattern and use emit_jump_insn.
20920 (doloop_end): Simplify pattern, switch operand order,
20921 and use emit_jump_insn.
20923 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20925 * function.h (struct function): Add new element LANGUAGE.
20926 (save_lang_status): Declare new variable.
20927 (restore_lang_status): Likewise.
20928 * function.c (save_lang_status): Define.
20929 (restore_lang_status): Likewise.
20930 (push_function_context_to): Call language-specific save function.
20931 (pop_function_context_from): Call language-specific restore function.
20933 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20935 * i386.md (movsf_1): Check REG_P before use of REGNO.
20936 (movdf_1): Likewise.
20937 (movxf_1): Likewise.
20938 (extendsfdf2): Likewise.
20939 (extendsfxf2): Likewise.
20940 (extenddfxf2): Likewise.
20942 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20944 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20945 constants into memory.
20946 (c4x_shiftable_constant): New function.
20947 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20948 (c4x_shiftable_constant): Declare.
20949 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20950 ashlqi3_noclobber): Add new patterns and associated splitters.
20952 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20954 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20955 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20956 * final.c (shorten_branches): Likewise.
20957 * global.c (global_alloc): Likewise.
20958 * haifa-sched.c (build_control_flow): Likewise.
20959 * stmt.c (check_for_full_enumeration_handling): Likewise.
20960 (estimate_case_costs): Likewise.
20962 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20964 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20966 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20968 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20969 (recompute_reg_usage): Likewise.
20970 * rtlanal.c (find_regno_fusage): Likewise.
20972 * rtl.c (rtl_check_failed_code1): New function.
20973 (rtl_check_failed_code2): New.
20974 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20975 (RTL_CHECKC1, RTL_CHECKC2): New.
20976 (XC*): New accessor macros.
20977 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20978 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20979 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20980 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20981 (TRAP_*, RANGE_INFO_*): Likewise.
20983 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20985 * Makefile.in (tlink.o): Don't depend on toplev.h.
20987 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20988 output_file, nm_file_name, ldd_file_name, strip_file_name,
20989 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20990 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20991 fork_execute, maybe_unlink, add_to_list,
20992 extract_init_priority, write_list, dump_list,
20993 dump_prefix_list, write_list_with_asm, write_c_file,
20994 write_c_file_stat, write_c_file_glob, scan_prog_file,
20995 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20996 ignore_library, extract_string, notice, dump_file, target_machine,
20997 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20998 read_file, print_load_command): Constify a char*.
20999 (fdopen, error, fatal, fatal_perror): Don't prototype.
21000 (my_strerror): Remove. All callers use xstrerror instead.
21001 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21002 (main): Add prototype. Constify lots of char* ptrs. Change calls
21003 to xcalloc/strcpy/strcat/... to one call to concat.
21004 (main, scan_prog_file, scan_libraries): Use an intermediate
21005 `const char **' to build an argv array.
21006 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21008 * collect2.h (collect_execute, collect_wait, dump_file,
21009 file_exists): Constify a char*.
21010 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21011 temporary_firstobj, vflag, debug): Add extern declarations.
21012 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21014 * tlink.c: Don't include toplev.h.
21015 (vflag, debug, ldout, c_file_name, temporary_obstack,
21016 permanent_obstack, temporary_firstobj): Don't declare.
21017 (tlink_execute, frob_extension, symbol_hash_lookup,
21018 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21019 recompile_files, read_repo_files, demangle_new_symbols,
21020 scan_linker_output): Constify a char*.
21021 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21022 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21024 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21026 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21027 (relative) rather than jsr (absolute) subroutine call insns.
21028 * config/m68k/m68k-coff.h: Ditto.
21030 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21032 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21033 now rework these too.
21034 (arm_reorg): If an insn can't reach the end of the current pool,
21035 ensure that we emit that pool before the insn.
21037 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21039 * tlink.c (scan_linker_output): Skip the initial underscore in
21040 a mangled name if appropriate.
21042 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21044 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21045 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21046 error_with_ivar, gen_declarator, create_builtin_decl,
21047 my_build_string, generate_descriptor_table, generate_ivars_list,
21048 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21049 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21050 dump_base_name, lang_decode_option, build_encode_expr,
21051 start_class, finish_class, encode_pointer, really_start_method,
21052 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21054 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21055 Add static prototypes.
21056 (build_objc_string_decl, build_selector_reference_decl,
21057 encode_bitfield, build_class_reference_decl): Remove unused
21058 parameter, all callers changed.
21059 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21060 (objc_printable_name): Likewise. Change second parameter to type int.
21061 (init_objc): Use memcpy, not bcopy, to avoid casts.
21063 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21065 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21066 reg notes on a deleted insn.
21067 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21069 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21071 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21073 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21075 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21078 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21080 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21081 * tm.texi (MD_ASM_CLOBBERS): Document it.
21083 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21085 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21086 * except.c (expand_rethrow): Remove unused variable.
21087 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21088 * flow.c (replace_insns): Likewise.
21089 (create_edge_list, verify_edge_list): Likewise.
21090 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21092 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21093 is special code to run.
21094 (main): Don't define operands to emit_operand.
21095 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21097 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21099 * alpha/alpha.h (normal_memory_operand): Declare.
21100 (reg_no_subreg_operand): Declare.
21101 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21103 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21105 * c-parse.in (compstmt_primary_start): New, broken out of first
21106 part of compstmt handling in primary.
21107 (primary): Use it. Add an error clause.
21108 (compstmt_nostart): Renamed from compstmt; remove all
21109 initial invocations of compstmt_start.
21112 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21114 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21117 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21119 * combine.c (simplify_shift_const): Remove extra semicolon.
21120 * dwarf2out.c (remove_AT): Likewise.
21121 * expmed.c (expand_mult): Likewise.
21122 * gcov.c (create_program_flow_graph): Likewise.
21123 * reorg.c (mostly_true_jump): Likewise.
21125 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21127 * fold-const.c (fold_range_test): Do not try to fold the range
21128 test if the rhs or lhs has side effects.
21130 * combine.c (simplify_rtx): Recognize another case of a synthesized
21133 * varasm.c (mark_constant_pool): When marking indirect references,
21134 only look at SYMBOL_REFs.
21136 * except.c (expand_fixup_region_end): Do not peek at
21137 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21139 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21141 * flags.h: New variables align_loops, align_loops_log,
21142 align_jumps, align_jumps_log, align_labels, align_labels_log,
21143 align_functions, align_functions_log.
21144 * toplev.c: Define them.
21145 (f_options): Handle -falign-* when they have no argument.
21146 (main): Add logic to set variables for -falign-functions,
21147 -falign-jumps, -falign-labels, -falign-loops.
21148 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21149 (display_help): Change help to match options.
21150 * final.c (LABEL_ALIGN): Default to align_labels_log.
21151 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21152 (LOOP_ALIGN): Default to align_loops_log.
21153 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21154 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21155 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21156 * varasm.c (assemble_start_function): Handle align_functions.
21158 * config/sparc/sparc.h: Don't declare sparc_align_*.
21159 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21160 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21162 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21164 * config/sparc/sparc.c: Delete sparc_align_loops,
21165 sparc_align_jumps, sparc_align_funcs and the corresponding string
21167 (sparc_override_options): Default align_functions on ultrasparc.
21168 Delete -malign-* handling.
21170 * config/mips/mips.c (override_options): On 64-bit targets,
21171 try to align code to 64-bit boundaries.
21172 (print_operand): New substitution, %~,
21173 which aligns labels to align_labels_log.
21174 * config/mips/mips.md (div_trap_normal): Use %~.
21175 (div_trap_mips16): Likewise.
21177 (absdi2): Likewise.
21178 (ffssi2): Likewise.
21179 (ffsdi2): Likewise.
21180 (ashldi3_internal): Likewise.
21181 (ashrdi3_internal): Likewise.
21182 (lshrdi3_internal): Likewise.
21183 (casesi_internal): Likewise.
21185 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21187 Merge new ia32 backend from the branch!
21189 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21190 See ChangeLog.P2 on new_ia32_branch for details.
21192 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21193 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21194 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21195 * i386/gas.h (ASM_FILE_START): Define.
21196 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21197 for name change of ix86_valid_decl_attribute_p.
21198 (i386_pe_valid_type_attribute_p): Similarly.
21200 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21202 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21203 to step through CC modes.
21205 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21207 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21208 it would end up in the shadow of a live flags regsiter.
21210 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21212 * reload1.c: Fix many indentation problems.
21213 * reload.c: Likewise.
21215 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21217 * alias.c (non_local_reference_p): Constify fmt.
21219 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21221 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21223 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21225 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21226 the internal_arg_pointer.
21228 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21230 Merge peephole2 from new_ia32_branch:
21231 * Makefile.in (STAGESTUFF): Add *.peephole2.
21232 (mostlyclean): Likewise.
21233 (recog.o): Depend on resource.h.
21235 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21236 (final_scan_insn): Likewise for the invocation of peephole.
21237 * genconfig.c (main): Look for peephole and peephole2 patterns.
21238 Emit HAVE_peephole* accordingly.
21239 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21240 * flags.h (flag_peephole2): Declare.
21241 * toplev.c: New pass peephole2. New flag -fpeephole2.
21243 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21244 * gencodes.c (main): Likewise.
21245 * genextract.c (main): Likewise.
21246 * genoutput.c (main): Likewise.
21247 * genemit.c (max_operand_1): Look for the max scratch operand.
21248 (gen_rtx_scratch): New.
21249 (gen_exp): Use it, and pass on new arg subroutine_type.
21250 (gen_expand): Take max scratch into account.
21251 (gen_split): Emit peephole2 functions.
21252 (output_peephole2_scratch): New.
21253 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21254 * genrecog.c (routine_type): Add PEEPHOLE2.
21256 (make_insn_sequence): Match outer parallel for peep2. Discard
21257 top level scratches and dups.
21258 (add_to_sequence): New args insn_type and top. Update all callers.
21259 Handle toplevel peep2 matching insns.
21260 (write_subroutine): Handle peep2.
21261 (write_tree_1): Likewise.
21262 (write_tree): Likewise.
21264 (change_state): New arg afterward. Update all callers.
21265 Handle matching separate insns.
21266 * recog.c (recog_next_insn): New.
21267 (peephole2_optimize): New.
21268 * rtl.def (DEFINE_PEEPHOLE2): New.
21269 * resource.c (find_free_register): New argument last_insn. Use it
21270 to find a register available through the entire span.
21271 * resource.h (find_free_register): Update prototype.
21273 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21275 * i386.c (output_strlen_unroll): Don't write xops[7]
21276 label if it wasn't set.
21278 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21280 * cpplib.c (struct directive): Const-ify name pointer and
21281 function pointer prototype.
21282 (validate_else, do_define, do_line, do_include, do_undef,
21283 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21284 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21285 do_warning): Const-ify second arg.
21286 (directive_table): Mark const. Reorder entries by frequency
21287 of usage, record statistics.
21289 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21291 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21292 bounds- check RTL accesses if --enable-checking.
21293 (RTVEC_ELT): Bounds check if --enable-checking.
21294 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21295 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21296 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21298 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21299 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21301 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21302 (NOTE_SOURCE_FILE): Use X0STR.
21303 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21304 MEM_ALIAS_SET): Use X0INT.
21305 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21306 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21308 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21309 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21310 (rtl_check_failed_bounds, rtl_check_failed_type1,
21311 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21313 (fancy_abort): Fix comment.
21315 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21316 (cse_insn): Decrement LABEL_NUSES for jump target before
21317 deleting jump insn.
21318 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21319 * final.c (alter_subreg): Compute regno before changing x to
21320 REG; set REGNO(x) after changing it.
21321 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21322 notes containing CONST_INTs.
21323 (delete_eh_regions): Use NOTE_EH_HANDLER.
21324 * function.c (put_reg_into_stack): Make reg a MEM before
21326 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21328 (gen_mem_addressof): Make reg a MEM before initializing it.
21329 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21331 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21332 deleting an insn, not after.
21333 (block_alloc): Only look at PATTERN(insn) if we have to, and
21334 only if it's format class 'i'.
21335 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21336 CONST_INT before using its INTVAL.
21337 * print-rtl.c (print_rtx): Use X0STR.
21338 * regmove.c (fixup_match_1): Don't look at PATTERN of
21339 non-class-'i' insn chain elements.
21340 * reload.c (loc_mentioned_in_p): Take address of
21341 in->fld[1].rtx directly.
21342 * reload1.c (reload): Change reg to a MEM before initializing
21344 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21346 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21348 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21350 * config/mips/mips.c (machine_dependent_reorg): Force a
21351 barrier to output the local constant pool if a barrier hasn't
21352 been found at a natural point in the instruction stream.
21354 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21356 * c-parse.in (language_string): Constify.
21358 * dwarf2out.c (language_string): Remove declaration.
21360 * dwarfout.c (language_string): Likewise.
21362 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21364 * tree.h (language_string, init_parse, finish_parse): Declare.
21366 * i386/sun386.h (language_string): Remove declaration.
21368 * mips.h (language_string): Likewise.
21370 * nextstep.h (language_string): Likewise.
21372 * nextstep21.h (language_string): Likewise.
21374 * rs6000.c (language_string): Likewise.
21376 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21378 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21379 (getpwd.o): Remove target.
21381 * getpwd.c: Delete file. Its in libiberty now.
21383 * dbxout.c (getpwd): Don't prototype.
21384 * dwarf2out.c (getpwd): Likewise
21385 * dwarfout.c (getpwd): Likewise
21386 * final.c (getpwd): Likewise.
21387 * protoize.c (getpwd): Likewise.
21389 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21391 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21393 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21395 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21396 mark_set_resources.
21398 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21400 * fixinc/Makefile.in (subdir): New.
21401 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21404 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21406 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21407 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21410 * invoke.texi: Fix typo.
21412 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21413 changed. Handle autoincrement addressing modes.
21415 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21416 just like we would the virtual incoming args register when
21419 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21421 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21422 path, in .file directive.
21424 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21426 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21429 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21431 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21434 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21436 * tree.c (tree_code_name): Constify a char*.
21438 * tree.h (tree_code_name, decl_printable_name): Likewise.
21440 * function.h (struct function): Likewise.
21442 * toplev.c (decl_name, decl_printable_name): Likewise.
21444 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21446 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21447 (init_objc): Remove function pointer cast.
21449 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21451 * pa.md (interspace_jump): New pattern.
21452 (builtin_longjmp): New expander.
21454 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21456 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21457 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21458 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21460 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21462 * jump.c (delete_prior_computation): Also check calls
21463 to constant functions. Don't bother checking for a
21464 REG_UNUSED note before adding it.
21465 (delete_computation): Handle multi-word hard registers
21466 when synthesizing missing REG_DEAD notes for a register
21467 which is both set and used by an insn.
21469 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21471 * loop.c (this_loop_info): New variable.
21472 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21473 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21475 (prescan_loop, strength_reduce): New argument loop_info. All callers
21477 (scan_loop): New variable loop_info, initialise to address of
21479 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21480 Delete variable loop_has_multiple_exit targets and replace with
21481 field in this_loop_info.
21482 (find_and_verify_loops): Rename this_loop to this_loop_num.
21483 (strength_reduce): Delete loop_iteration_info. Replace variable
21484 loop_info with function argument of same name.
21485 (insert_bct): Rework test for loop being completely unrolled.
21487 * loop.h (struct loop_info): New fields num, loops_enclosed,
21488 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21489 has_indirect_jump, and cont. Redefine use of unroll_number.
21490 (loop_unroll_number): Delete.
21492 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21493 field of loop_info.
21494 (loop_iterations): Delete variable vtop and instead use
21495 loop_info->vtop computed in prescan_loop.
21497 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21499 * fix-header.c (main): Do not pass a null pointer to strcmp.
21501 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21503 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21505 * configure: Rebuilt.
21507 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21509 * jump.c (jump_optimize_1): Do not delete assignments to
21510 internal_arg_pointer.
21511 * cse.c (delete_trivially_dead_insns): Always consider a set of
21512 the internal_arg_pointer live.
21514 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21516 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21517 (update_life_info) [REG_WAS_0]: Search the original insns rather
21518 than the new insns for the note. Fix typos finding note_dest.
21519 If no dest found, discard the note rather than abort.
21520 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21521 (replace_insns): Remove the old insn list after update_life_info
21524 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21526 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21527 sched_analyze_insn.
21528 (sched_analyze_1): Let add_dependence care for not adding dups.
21529 (sched_analyze_2): Likewise.
21530 (add_branch_dependences): Likewise.
21532 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21534 * i386/winnt.c (export_list): New type.
21535 (exports_head): Rename to
21536 (export_head): this.
21537 (i386_pe_record_exported_symbol): Add is_data flag.
21538 (i386_pe_asm_file_end): Emit directive for exported variables.
21539 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21541 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21542 (ASM_DECLARE_OBJECT_NAME): Likewise.
21543 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21544 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21546 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21548 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21550 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21553 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21555 * config/openbsd.h: Define SET_ASM_OP.
21556 * tm.texi: cross-reference SET_ASM_OP in the index.
21558 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21560 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21561 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21562 and class_narrowest_mode at compile time. Kill init_rtl.
21563 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21564 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21565 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21567 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21569 * rtl.h: Declare rtx_length and rtx_format as const.
21570 * machmode.def: Define CC(). Use CC() to define CCmode. If
21571 EXTRA_CC_MODES is defined, expand it here.
21572 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21573 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21574 const. Kill all references to EXTRA_CC_MODES.
21576 * toplev.c: Don't prototype or call init_rtl.
21577 * optabs.c: Don't call init_mov_optab.
21578 * genemit.c: Don't generate init_mov_optab. Don't call
21580 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21582 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21583 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21584 genrecog.c: Don't call init_rtl.
21586 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21587 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21588 definition of EXTRA_CC_MODES.
21590 * md.texi: Kill ref to EXTRA_CC_NAMES.
21591 * tm.texi: Document new way to define EXTRA_CC_MODES.
21593 * genrecog.c: Do not look up the name of a define_split.
21594 (Unrelated bugfix.)
21596 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21598 * config/v850/v850.md: Fix typo introduced by previous delta.
21600 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21602 * gcc.c (fatal): Make definition static to match prototype.
21604 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21606 * combine.c (get_last_value): Don't look for earlier sets if the last
21607 known set is somewhere in between the insns being combined.
21609 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21611 * configure.in: Don't use shell ! to negate exit codes
21612 * configure: Regenerate
21614 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21616 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21617 the fact that ALIGN is measured in bits, not bytes.
21619 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21621 * errors.c: New file; defines functions error, warning, and
21622 fatal, variables have_error and progname.
21623 * errors.h: New file; prototypes and decls for stuff in errors.c.
21625 * Makefile: Add rules to build errors.o and
21626 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21627 genopinit, genrecog, genextract, genpeep, genattr, and
21628 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21629 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21630 genpeep.o, genattr.o, and genoutput.o.
21632 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21633 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21634 define or prototype fatal. Set progname at beginning of main.
21635 * genoutput.c: Likewise, and don't define or prototype error
21638 * c-typeck.c (c_expand_start_case): Return immediately if exp
21640 * fold-const.c (operand_equal_p): Return immediately if arg1
21641 or arg0 are ERROR_MARKs.
21642 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21643 fields of type ERROR_MARK when calculating if the record can
21646 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21647 with much help from Jeffrey A Law and Richard Henderson
21649 * i386.md: In the 6 insns which call output_fix_trunc,
21650 earlyclobber operands[0].
21652 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21654 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21655 creating new registers.
21657 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21659 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21660 i386_reg_alloc_order, i386_regparm_string,
21661 i386_align_loops_string, i386_align_jumps_string,
21662 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21663 and i386_branch_cost_string as type "const char *".
21664 * i386.c: Define all above strings as type "const char *".
21666 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21668 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21669 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21671 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21673 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21674 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21676 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21678 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21679 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21680 (dwarf2out_line, dwarf2out_finish): Likewise.
21681 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21683 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21685 * tree.c (lang_unsave_expr_now) : Correct return type.
21686 * tree.h (lang_unsave_expr_now) : Same.
21688 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21690 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21691 instead of duplicating code.
21693 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21695 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21697 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21699 * tree.h: fancy_abort always takes three args.
21700 * resource.c: Move include of system.h before toplev.h.
21702 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21704 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21707 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21709 * system.h: Don't redefine abort or trim_filename.
21710 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21711 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21712 whether or not __FUNCTION__ is available.
21713 * tree.h: Duplicate rtl.h's definition of abort, for files
21714 that don't include rtl.h. Delete all code to perform type
21715 checking with a compiler other than GCC.
21716 * varray.h: Delete all code to perform type checking with a
21717 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21718 its arguments exactly once, using a statement expression.
21719 Adjust the VARRAY_<type> accessor macros to match.
21720 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21721 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21722 caller's location. Define fatal_insn and fatal_insn_not_found
21723 as macros that use _fatal_insn and _fatal_insn_not_found.
21724 (fancy_abort, trim_filename): Kill prototypes.
21726 * rtl.c (trim_filename): Move here from toplev.c.
21727 (fancy_abort): New function.
21728 (DIR_SEPARATOR): Provide default definition.
21729 * tree.c (tree_check_failed, tree_class_check_failed): Go
21730 through fancy_abort.
21731 (tree_check, tree_class_check, cst_or_constructor_check,
21732 expr_check): Delete.
21733 * varray.c (varray_check_failed): New function.
21734 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21735 _fatal_insn and _fatal_insn_not_found. Go through
21737 (trim_filename, fancy_abort): Delete.
21739 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21740 * except.c (start_catch_handler): Report ICE with error/abort
21742 * final.c (output_operand_lossage): Likewise.
21743 * flow.c (verify_flow_info): Likewise.
21745 * gcc.c: Prototype fatal.
21746 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21747 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21748 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21749 Don't define fancy_abort.
21751 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21753 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21756 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21758 * m88k.h (VERSION_INFO2): Kill.
21759 (VERSION_STRING): Kill.
21761 (VERSION_INFO1): Tidy.
21762 (TARGET_VERSION): Update.
21763 * m88k/dgux.h (VERSION_INFO2): Kill.
21764 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21765 * m88k/luna.h (VERSION_INFO1): Tidy.
21766 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21767 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21768 (output_file_start): Adjust for death of VERSION_STRING.
21770 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21772 * cpplib.c (detect_if_not_defined): New function.
21773 (do_if): Use it to detect potential once-only headers.
21775 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21777 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21779 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21781 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21782 anywere in the function only if they are pseudos and set before
21783 being used (not live at the start of the function).
21784 (num_sign_bit_copies) : Same.
21785 (get_last_value_validate) : Same.
21786 (get_last_value) : Same.
21788 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21790 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21791 where N and M are constant and N is an integer multiple of M.
21793 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21795 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21796 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21797 sbitmap_union_of_preds): Add prototypes.
21798 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21799 the intersection of successors with the new flow graph structures.
21800 (sbitmap_intersection_of_preds): New function to compute the
21801 intersection of predecessors with the new flow graph structures.
21802 (sbitmap_union_of_succs): New function to compute the union of
21803 successors with the new flow graph structures.
21804 (sbitmap_union_of_preds): New function to compute the union of
21805 predecessors with the new flow graph structures.
21806 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21807 (expr_reaches_here_p): Use edge and basic_block structures instead
21808 of s_preds and s_succs.
21809 (compute_cprop_avinout): Use new sbitmap routines.
21810 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21811 of s_preds and s_succs.
21812 * flow.c (compute_flow_dominators): Compute dominators using
21813 edges and basic blocks instead of s_preds and s_succs.
21815 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21817 * lists.c (unused_insn_list, unused_expr_list): New file for
21818 maintaining various types of lists. New statics for maintaining a
21819 cache of available INSN_LIST and EXPR_LIST nodes.
21820 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21821 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21822 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21823 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21824 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21825 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21826 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21827 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21828 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21829 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21830 (remove_dependence, free_pending_lists): Use new global routines.
21831 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21832 (sched_analyze, compute_block_backward_dependences): Use new routines.
21833 (sched_analyze_1, sched_analyze_2): Use new routines.
21834 (schedule_insns): Use new global routines.
21835 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21837 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21838 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21840 * toplev.c (rest_of_compilation): Initialize node cache.
21841 * Makefile.in (OBJS): Add lists.o to list of object files.
21842 (lists.o): Add dependancies.
21844 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21846 * config/v850/v850.md: Fix compile time warning messages.
21847 * config/v850/v850.c: Fix compile time warning messages.
21848 * config/v850/v850.h: Fix compile time warning messages.
21850 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21852 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21853 Remove unused prototype for `init_lengths'.
21855 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21857 * calls.c (emit_call_1): Mark parameter `stack_size' with
21859 (expand_call): Initialize variable `insn'.
21860 (emit_library_call): Likewise for variable `high_to_save'.
21861 (emit_library_call_value): Likewise.
21862 (store_one_arg): Likewise for variables `lower_bound' and
21865 * combine.c (try_combine): Likewise for variables `i2_code_number'
21866 and `other_code_number'.
21867 (find_split_point): Likewise for variables `pos', `unsignedp' and
21869 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21870 (simplify_and_const_int): Remove unused variable `width'.
21871 (merge_outer_ops): Likewise.
21873 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21874 HOST_WIDE_INT' when comparing against one.
21875 (simplify_relational_operation): Likewise.
21876 (cse_insn): Initialize variables `src_eqv_volatile',
21877 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21879 * final.c (init_final): Constify parameter `filename'.
21880 (final_start_function): Mark parameter `optimize' with
21882 (profile_function): Likewise for parameters `first' and `optimize'.
21883 (output_source_line): Likewise for parameter `file'.
21885 * integrate.c (subst_constants): Cast a value to `size_t' when
21886 comparing against one.
21887 (mark_stores): Initialize variable `mode'. Cast a value to
21888 `size_t' when comparing against one.
21890 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21892 * loop.c (move_movables): Initialize variable `first'.
21893 (strength_reduce): Likewise for variable `increment'.
21894 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21895 value to `size_t' when comparing against one.
21896 (load_mems): Initialize variable `end_label'.
21898 * output.h (init_final): Constify parameter.
21900 * reload.c (decompose): Initialize variable `base'.
21902 * reload1.c (reload): Likewise for variable `is_scalar'.
21903 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21904 (choose_reload_regs): Initialize variable `mode'.
21905 (emit_reload_insns): Likewise for variable `store_insn'.
21906 (reload_cse_noop_set_p): Mark parameter `insn' with
21908 (reload_combine): Initialize variable `set'.
21910 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21911 (copy_loop_body): Cast a value to `size_t' when comparing against
21914 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21915 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21916 (remove_from_pending_weak_list): Mark parameter `name' with
21919 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21921 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21924 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21926 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21927 (ASM_DECLARE_FUNCTION_NAME): Define.
21928 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21929 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21930 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21931 not already defined.
21933 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21935 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21936 of n_popped when call/call_value are not defined.
21938 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21940 * tm.texi: GNU CC -> GCC conversion.
21941 (CC1_SPEC): Indicate it is used for all language front ends.
21943 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21945 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21946 NOTE_INSN_EH_REGION_END correctly.
21948 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21949 Jeff Law <law@cygnus.com>
21951 * loop.c (strength_reduce): Automatically unroll loops if the
21952 unrolled loop size is smaller than the rolled loop size.
21954 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21955 and delete comment that code should be rewritten.
21957 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21959 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21962 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21964 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21966 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21967 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21968 (LINK_SPEC): Add -u _main when building executables.
21969 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21970 (ASM_FILE_END): Use the default for ix86-pe.
21971 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21973 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21975 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21976 and ASM_CLOSE_PAREN are empty strings.
21978 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21979 Geoffrey Keating <geoffk@cygnus.com>
21981 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21982 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21983 (unprotoize.o): Ditto.
21984 (test-protoize-simple): Don't define STD_PROTO_DIR.
21985 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21986 changes to make 'test-protoize-simple' pass.
21987 (STD_PROTO_DIR): Remove define.
21988 (STANDARD_EXEC_PREFIX): Supply default define.
21989 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21990 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21991 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21992 (GET_ENV_PATH_LIST): New macro.
21993 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21994 (do_processing): Initialize default_syscalls_dir using new
21995 macros. Use it to initialize syscalls_absolute_filename.
21997 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21999 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22000 B into a register before emit_conditional_move.
22002 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22004 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22005 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22006 multiplicand out of (+ (* a b) (* c d)).
22008 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22009 Richard Henderson <rth@cygnus.com>
22011 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22012 (new_insn_dead_notes): Likewise.
22013 (update_n_sets): Likewise.
22014 (update_flow_info): Move to flow.c, renamed to update_life_info;
22015 extend to handle multiple source insns.
22016 * flow.c: Include resource.h
22017 (unlink_insn_chain): New.
22018 (split_hard_reg_notes): New.
22019 (maybe_add_dead_note): New.
22020 (maybe_add_dead_note_use): New.
22021 (find_insn_with_note): New.
22022 (new_insn_dead_notes): New.
22023 (update_n_sets): New.
22024 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22025 (maybe_remove_dead_notes): New.
22026 (update_life_info): New.
22027 (prepend_reg_notes): New.
22028 (replace_insns): New.
22029 * output.h (update_life_info): Declare.
22030 * recog.c (split_block_insns): Use update_life_info.
22031 * resource.c (find_free_register): Use reg_alloc_order, don't use
22032 fixed regs, make sure the mode is supported, don't use new regs.
22034 * rtl.h (replace_insns): Declare.
22036 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22038 * expr.c (expand_expr): Cope with COND_EXPRs with one
22039 non-returning branch.
22041 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22043 * expr.c (store_expr): Always pass down the target, even when not
22046 1999-08-24 Nick Clifton <nickc@cygnus.com>
22048 * configure.in: Define target_cpu_default for v850 targets.
22049 * configure: Regenerate
22051 * config/v850/v850.h (TARGET_CPU_generic): Define.
22052 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22053 addresses are 4 byte aligned.
22055 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22058 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22060 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22061 (main): Add prototypes.
22063 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22064 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22065 (write_attr_get): Emit prototypes along with function definition.
22066 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22067 (write_complex_function): Emit static prototype along with
22068 function definition.
22070 * genemit.c (gen_split): Emit prototypes along with function
22073 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22074 Likewise for predicates and `insn_operand_predicate'.
22075 (process_template): Emit static prototype along with function
22078 * genrecog.c (make_insn_sequence): Constify a char*. Add
22079 prototypes for get_split_*().
22080 (write_subroutine): Emit prototypes along with function
22083 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22085 * gcse.c (find_avail_set): Follow chains of register-register copies.
22086 Use oprs_not_set_p to guarantee that the returned value can be
22088 (cprop_insn): Don't verify the return value of find_avail_set with
22091 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22092 (cprop_cc0_jump): New function.
22093 (cprop_insn): Break out new function cprop_jump and use it.
22094 Also use cprop_cc0_jump for machines with CC0.
22095 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22097 * tree.h (current_function_calls_setjmp,
22098 current_function_calls_longjmp): Delete declarations.
22099 * dsp16xx.c: Include "function.h".
22100 * elxsi.c: Likewise.
22101 * gmicro.c: Likewise.
22102 * h8300.c: Likewise.
22103 * i370.c: Likewise.
22104 * m32r.c: Likewise.
22105 * mn10200.c: Likewise.
22106 * mn10300.c: Likewise.
22107 * ns32k.c: Likewise.
22108 * spur.c: Likewise.
22109 * v850.c: Likewise.
22111 * rtl.h (rtx_equal_function_value_matters): Declare.
22112 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22114 * function.c: Likewise.
22115 * emit-rtl.c: Likewise.
22117 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22119 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22122 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22124 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22127 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22129 * cpp.texi: Add a node documenting macro varargs (copied
22132 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22134 * cppspec.c: Put a null pointer at the end of the new argv.
22136 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22138 * configure.in: Remove code to select/de-select the haifa
22139 scheduler. Every scheduled port gets haifa now.
22140 * configure: Rebuilt.
22141 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22143 * Makefile.in: Corresponding changes.
22145 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22147 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22148 All callers changed.
22149 (prepare_float_lib_cmp): Likewise.
22150 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22151 * expr.h (emit_float_lib_cmp): Delete declaration.
22152 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22153 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22154 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22156 (cmptf): Now conditional on TARGET_HARD_QUAD.
22158 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22160 * resource.c (mark_target_live_regs): Use
22161 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22163 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22165 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22167 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22169 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22171 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22173 * rtl.h (rtx_format): Constify a char*.
22175 * rtl.c (rtx_format): Likewise.
22176 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22177 (init_rtl): Use accessor macro, not `rtx_format'.
22179 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22182 * caller-save.c (mark_referenced_regs): Likewise.
22184 * combine.c (subst, make_compound_operation, known_cond,
22185 gen_rtx_combine, update_table_tick, get_last_value_validate,
22186 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22188 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22189 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22190 count_reg_usage): Likewise.
22192 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22195 * final.c (leaf_renumber_regs_insn): Likewise.
22197 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22198 dump_edge_info, count_reg_references): Likewise.
22200 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22201 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22204 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22205 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22206 add_label_notes): Likewise.
22208 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22209 clear_struct_flag, count_sub_rtxs, count_alternatives,
22210 compares_alternatives_p, contained_in_p, walk_attr_value,
22211 write_expr_attr_cache): Likewise.
22213 * genconfig.c (walk_insn_part): Likewise.
22215 * genemit.c (max_operand_1, gen_exp): Likewise.
22217 * genextract.c (walk_rtx): Likewise.
22219 * genflags.c (num_operands): Likewise.
22221 * genoutput.c (scan_operands): Likewise.
22223 * genpeep.c (match_rtx): Likewise.
22225 * genrecog.c (add_to_sequence): Likewise.
22227 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22230 * integrate.c (save_constants, copy_for_inline,
22231 copy_rtx_and_substitute, subst_constants, restore_constants):
22234 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22235 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22237 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22240 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22241 add_label_notes, replace_call_address, count_nonfixed_reads,
22242 invariant_p, find_single_use_in_loop, find_mem_givs,
22243 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22246 * print-rtl.c (reg_names, print_rtx): Likewise.
22248 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22250 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22251 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22252 print_blocks): Likewise.
22254 * regclass.c (fix_register, record_address_regs,
22255 reg_scan_mark_refs): Likewise.
22257 * regmove.c (stable_but_for_p): Likewise.
22259 * reload.c (loc_mentioned_in_p, operands_match_p,
22260 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22261 copy_replacements, refers_to_regno_for_reload_p,
22262 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22263 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22266 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22267 delete_address_reloads_1, count_occurrences,
22268 reload_cse_mem_conflict_p, reload_combine_note_use,
22269 add_auto_inc_notes): Likewise.
22271 * resource.c (mark_referenced_resources, mark_set_resources):
22274 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22275 reg_mentioned_p, regs_set_between_p, modified_between_p,
22276 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22277 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22278 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22279 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22281 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22283 * stupid.c (stupid_mark_refs): Likewise.
22285 * unroll.c (remap_split_bivs): Likewise.
22287 * varasm.c (mark_constants): Likewise.
22289 * a29k/a29k.c (uses_local_reg_p): Likewise.
22291 * alpha/alpha.c (summarize_insn): Likewise.
22293 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22294 eliminate_lr2ip): Likewise.
22296 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22298 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22299 reg_mentioned_in_mem): Likewise.
22301 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22302 symbolic_reference_mentioned_p): Likewise.
22304 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22306 * sh/sh.c (regs_used, mark_use): Likewise.
22308 * vax/vax.c (vax_rtx_cost): Likewise.
22310 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22312 * machmode.h (mode_name): Constify a char*.
22314 * rtl.c (mode_name): Likewise.
22316 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22318 * optabs.c (init_libfuncs): Constify a char*.
22320 * print-tree.c (mode_name): Remove redundant declaration.
22321 (print_node): Use accessor macro, not `mode_name'.
22323 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22325 (new_spill_reg): Constify a char*.
22327 * tree.c (mode_name): Remove redundant declaration.
22329 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22331 * rtl.c (rtx_name): Constify a char*.
22333 * rtl.h (rtx_name, fix_sched_param): Likewise.
22335 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22336 (mypr): Use accessor macro, not `rtx_name'.
22338 * genemit.c (print_code): Constify a char*.
22340 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22342 * genpeep.c (print_code): Constify a char*.
22344 * genrecog.c (print_code): Likewise.
22346 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22347 end_bb): Add static prototype.
22348 (draw_edge): Constify a char*.
22349 (end_bb): Remove unused parameter.
22351 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22352 print_block_visualization): Constify a char*.
22354 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22356 * c-common.c (c_get_alias_set): Update comment.
22358 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22360 * linux.h (LIB_SPEC): Added.
22362 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22364 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22366 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22368 * tree.c (expr_check): Fix typo in last change.
22370 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22372 * rtl.def (NOTE): Change format to "iuu0n".
22373 (ADDR_DIFF_VEC): Change format to "eEee0".
22374 (ADDRESSOF): Change format to "eit".
22376 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22377 (RTVEC_ELT): Change to match.
22378 (XVECEXP): Use XVEC and RTVEC_ELT.
22379 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22380 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22381 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22382 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22383 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22384 (INTVAL): Use XWINT.
22385 (ADDRESSOF_DECL): Use XTREE.
22386 (SET_ADDRESSOF_DECL): Delete.
22387 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22388 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22389 ifdefed out since 2.6 at least.
22390 (gen_rtvec_vv): Delete prototype.
22392 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22394 (copy_most_rtx): Handle 't' format letter.
22395 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22396 (gen_rtvec_vv): Delete function. All callers changed to use
22397 gen_rtvec_v instead.
22398 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22399 the '0' format letter.
22401 * function.c (gen_mem_addressof): Don't use
22402 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22404 * integrate.c (copy_rtx_and_substitute): Likewise.
22405 Copy 't' slots with XTREE.
22406 (subst_constants): Treat 't' slots like '[swi]' slots.
22407 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22408 * jump.c (rtx_equal_for_thread_p): Likewise.
22409 * rtlanal.c (rtx_equal_p): Likewise.
22410 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22411 only four arguments.
22412 * gengenrtl.c (type_from_format): Provide correct types for
22416 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22417 If a recent gcc is in use (always in stage2 and beyond), use
22418 statement expressions, so we don't make a function call unless
22419 the check fails. Evaluate arguments exactly once.
22420 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22421 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22423 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22424 they evaluate their arguments exactly once, irrespective of
22425 the compiler in use.
22427 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22428 is used by the currently-enabled check macros. This is:
22429 (tree_check_failed, tree_class_check_failed): For gcc.
22430 (tree_check, tree_class_check, cst_or_constructor_check,
22431 expr_check): For other compilers.
22433 * gencheck.c: Do not define any *_CHECK1 macros.
22435 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22436 Mark Mitchell <mark@codesourcery.com>
22438 * c-common.c (c_get_alias_set): Fix support for poitners and
22441 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22443 * alias.c: Include tree.h.
22444 (nonlocal_reference_p, mark_constant_function): New functions.
22445 * flow.c (life_analysis): Call mark_constant_function.
22446 * rtl.h (mark_constant_function): Declare it.
22448 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22450 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22451 unrecognisable switches.
22453 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22455 * loop.c (recombine_givs): Set ix field after sorting.
22456 (recombine_givs): Remove bogus index / giv lockstep looping.
22458 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22460 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22462 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22463 (do_cmp_and_jump): Formatting fixes.
22464 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22465 do_compare_rtx_and_jump instead of compare_from_rtx.
22466 (do_compare_rtx_and_jump): New function; mostly copied from
22468 (do_jump_for_compare): Delete.
22469 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22471 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22472 of compare/do_jump_for_compare pairs.
22473 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22474 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22475 compare_from_rtx/do_jump_for_compare pairs.
22476 (do_jump_by_parts_equality): Likewise.
22477 (do_jump_by_parts_equality_rtx): Likewise.
22478 * expr.h (do_compare_rtx_and_jump): Declare.
22479 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22480 that used to be in emit_cmp_insn.
22481 (cmp_available_p): New function.
22482 (prepare_operand): New function.
22483 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22484 to be in emit_cmp_insn.
22485 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22486 parameters to be pointers; don't emit final compare but modify some of
22487 the values pointed to by the args so the caller can perform the
22488 correct comparison.
22489 (expand_binop): Call emit_store_flag_force with signed forms of
22491 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22492 emit_jump_insn pair.
22493 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22494 emit_cmp_and_jump_insn_1. Call emit_queue.
22495 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22497 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22498 jump sets cc0 before deleting it.
22499 * integrate.c (expand_inline_function): Likewise.
22500 * unroll.c (unroll_loop): Similar changes in several places.
22501 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22502 before deleting it.
22504 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22506 * Makefile.in (insn-recog.o): Update dependencies.
22507 * genrecog.c (main): Make generated file include "function.h".
22509 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22511 * cse.c (cse_insn): Call never_reached_warning when a jump is
22512 changed to be unconditional.
22513 * flags.h: Declare warn_notreached.
22514 * flow.c (delete_block): Call never_reached_warning when
22515 a block is deleted.
22516 * jump.c (delete_barrier_successors): Call never_reached_warning
22517 when we delete everything after a BARRIER.
22518 (never_reached_warning): New function.
22519 * rtl.h: Declare never_reached_warning.
22520 * toplev.c (warn_notreached): New variable.
22521 (lang_independent_options): Set warn_notreached
22522 when -Wunreachable-code.
22523 (compile_file): We need line numbers for -Wunreachable-code.
22525 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22527 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22528 * sched.c (insn_unit): Likewise.
22530 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22532 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22534 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22536 * flow.c (create_edge_list): Use xmalloc, not malloc.
22538 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22540 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22541 C-style comments. Do not lose the character before double slash.
22543 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22545 * basic-block.h (struct edge_list): Stucture to maintain a vector
22547 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22548 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22549 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22550 New function prototypes.
22551 * flow.c (create_edge_list): Function to create an edge list.
22552 (free_edge_list): Discards memory used by an edge list.
22553 (print_edge_list): Debug output showing an edge list.
22554 (verify_edge_list): Internal consistency check for an edge list.
22555 (find_edge_index): Function to find an edge index for a pred and succ.
22557 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22559 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22562 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22564 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22566 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22568 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22570 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22572 * toplev.c (rest_of_compilation): Allow machine dependent
22573 reorganisation pass to place information into the RTL dump
22574 file if it so wishes.
22576 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22578 * explow.c (hard_function_value): Use VOIDmode instead of
22580 * stmt.c (expand_return): Likewise.
22581 * stor-layout.c (get_best_mode): Likewise.
22583 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22584 emit call instead of emit_insn call.
22586 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22588 * configure.in: Handle --disable/enable-win32-registry.
22589 * install.texi: Document --disable/enable-win32-registry.
22590 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22591 (WIN32_REGISTRY_KEY): New macro.
22592 * prefix.c: Use to enable/disable win32-specific code.
22593 (lookup_key): Use versioned key.
22594 * configure: Regenerate.
22595 * config.in: Likewise.
22597 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22599 * cpplib.c (read_line_number): New fn, split out of...
22602 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22604 tree.c (lang_unsave_expr_now) : New.
22605 (unsave_expr_now): Call lang_unsave_expr_now.
22606 tree.h (lang_unsave_expr_now) : New.
22608 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22610 * toplev.c (flag_new_exceptions): On by default.
22612 1999-08-13 Michael Meissner <meissner@cygnus.com>
22614 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22616 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22618 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22619 INTEGER_TYPE with precision==1, it's __java_boolean.
22621 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22623 * global.c (prune_preferences): Move some invariants out of the
22626 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22628 * configure.in (alpha*-dec-osf*): Add osf5.
22630 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22632 * configure.in: Rework handling of ARM GNU/Linux slightly.
22633 (arm*-*-linux-gnuoldld): New target.
22634 * configure: Regenerate.
22635 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22636 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22637 * config/arm/linux-oldld.h: New file.
22638 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22639 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22641 * config/arm/linux-elf.h (ASM_SPEC): Define.
22642 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22643 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22644 for 26-bit APCS and old linker.
22645 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22647 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22648 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22649 don't define `arm' or `arm_elf'.
22650 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22651 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22653 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22655 * rtl.texi: Fix typo.
22657 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22659 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22661 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22663 * extend.texi (C++ Signatures): Remove node.
22664 * invoke.texi: Remove discussion of -fhandle-signatures,
22665 signature, sigof, __signature__, and __sigof__.
22667 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22669 * Makefile.in (JAVAGC): Removed.
22671 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22673 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22675 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22677 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22679 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22681 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22682 a register that is already known to be a pointer.
22684 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22686 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22687 * fixinc/inclhack.sh: Regenerated.
22688 * fixinc/fixincl.sh: Regenerated.
22690 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22692 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22693 Fix documentation of -ansi flag to describe its C++ behavior.
22694 Remove bogus reference to GCC 2.9.
22696 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22698 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22699 note if it is non-NULL.
22701 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22703 * except.h (eh_nesting_info): Add new structure defintion.
22704 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22705 (reachable_handlers, update_rethrow_references): Add function
22707 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22708 a rethrow symbol instead of an integer exception region number.
22709 * flow.c (Make_edges): Use new exception nesting routines to determine
22710 which handlers are reachable from a CALL or asynchronous insn.
22711 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22713 (delete_eh_regions): Update rethrow labels, and don't delete
22714 regions which are the target of a rethrow.
22715 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22716 avoid overloading the SYMBOL_REF_USED flag.
22717 (rethrow_symbol_map): Use new rethrow_ref field.
22718 (rethrow_used): Use new rethrow_ref field.
22719 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22720 of an integer. Fix formatting.
22721 (output_exception_table_entry): Use new rethrow_ref field.
22722 (can_throw): Check for EH_REGION_NOTE before deciding
22723 whether a CALL can throw or not.
22724 (scan_region): Call rethrow_used() instead of accessing data structure.
22725 (update_rethrow_references): New function to make sure only regions
22726 which are still targets of a rethrow are flagged as such.
22727 (process_nestinfo): New static function to initialize a handler
22728 list for a specific region.
22729 (init_eh_nesting_info): New function to allocate and initialize
22730 the list of all EH handlers reachable from all regions.
22731 (reachable_handlers): New function to retrieve the list of handlers
22732 reachable from a specific region and insn.
22733 (free_eh_nesting_info): New function to dispose of a list of
22734 reachable handlers.
22736 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22738 * flow.c (split_edge): Set JUMP_LABEL field.
22739 (commit_one_edge_insertion): Set head correctly for insert_before.
22740 When inserting insns, update insn block numbers if allocated.
22742 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22744 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22745 retry_incomplete_types): Add static prototype.
22746 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22747 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22748 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22749 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22750 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22753 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22754 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22756 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22758 * output.h (assemble_name): Constify a char*.
22760 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22761 assemble_variable, assemble_name): Likewise.
22763 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22765 * arm/pe.c (arm_pe_unique_section): Likewise.
22767 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22769 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22771 * i386/interix.c (i386_pe_unique_section): Likewise.
22773 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22775 * i386/winnt.c (i386_pe_unique_section): Likewise.
22777 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22779 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22781 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22783 * pa/pa.c (output_call): Likewise.
22785 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22787 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22789 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22792 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22795 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22797 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22798 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22800 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22802 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22804 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22806 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22808 * tree.h (lang_identify): Constify a char*.
22809 (print_error_function): Add extern prototype. Constify a char*.
22811 * c-lang.c (lang_identify): Constify a char*.
22813 * objc/objc-act.c (lang_identify): Constify a char*.
22815 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22817 * genpeep.c (main): Make generated file include "function.h".
22818 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22820 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22822 * Makefile.in: Update dependencies.
22823 * alias.c: Include "function.h"
22824 * c-decl.c: Likewise.
22825 * caller-save.c: Likewise.
22826 * calls.c: Likewise.
22827 * combine.c: Likewise.
22829 * explow.c: Likewise.
22830 * final.c: Likewise.
22831 * global.c: Likewise.
22832 * graph.c: Likewise.
22833 * local-alloc.c: Likewise.
22834 * loop.c: Likewise.
22835 * optabs.c: Likewise.
22836 * profile.c: Likewise.
22837 * recog.c: Likewise.
22838 * regclass.c: Likewise.
22839 * regmove.c: Likewise.
22840 * reload.c: Likewise.
22841 * reorg.c: Likewise.
22842 * resource.c: Likewise.
22843 * sched.c: Likewise.
22844 * stupid.c: Likewise.
22845 * config/1750a/1750a.c: Likewise.
22846 * config/a29k/a29k.c: Likewise.
22847 * config/arc/arc.c: Likewise.
22848 * config/arm/arm.c: Likewise.
22849 * config/arm/thumb.c: Likewise.
22850 * config/c4x/c4x.c: Likewise.
22851 * config/clipper/clipper.c: Likewise.
22852 * config/convex/convex.c: Likewise.
22853 * config/fx80/fx80.c: Likewise.
22854 * config/i860/i860.c: Likewise.
22855 * config/m68k/m68k.c: Likewise.
22856 * config/m88k/m88k.c: Likewise.
22857 * config/mips/mips.c: Likewise.
22858 * config/pdp11/pdp11.c: Likewise.
22859 * config/pyr/pyr.c: Likewise.
22860 * config/romp/romp.c: Likewise.
22861 * config/sh/sh.c: Likewise.
22862 * config/tahoe/tahoe.c: Likewise.
22863 * config/vax/vax.c: Likewise.
22864 * config/we32k/we32k.c: Likewise.
22865 * config/sparc/sparc.c: Include "function.h".
22866 (mem_min_alignment): Test current_function rather than
22867 regno_pointer_align.
22868 * config/pa/pa.c: Likewise.
22869 (compute_frame_size): Delete declaration of
22870 current_function_outgoing_args_size.
22871 * config/arc/arc.h (current_function_varargs): Delete declaration.
22872 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22874 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22876 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22877 current_function_uses_pic_offset_table.
22878 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22879 of current_function_returns_pointer.
22880 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22881 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22882 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22883 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22884 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22885 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22886 * config/m88k/m88k.c: Include "function.h"
22887 (call_used_regs, current_function_pretend_args_size,
22888 current_function_outgoing_args_size, frame_pointer_needed): Delete
22890 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22892 * config/mips/mips.h (current_function_calls_alloca): Delete
22894 * config/mn10200/mn10200.h (current_function_needs_context,
22895 rtx_equal_function_value_matters): Delete declarations.
22896 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22897 flag_pic): Delete declarations.
22898 * config/pa/pa.h (current_function_pretend_args_size,
22899 current_function_decl): Delete declarations.
22900 * config/pa/som.h (current_function_varargs): Delete declaration.
22901 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22903 * config/pyr/pyr.h (current_function_pretend_args_size,
22904 current_function_args_size, current_function_calls_alloca): Delete
22906 * config/sh/sh.h (current_function_varargs): Delete declaration.
22907 * config/sparc/sparc.h (current_function_outgoing_args_size,
22908 current_function_calls_alloca, current_function_decl): Delete
22910 * config/spur/spur.h (current_function_pretend_args_size,
22911 current_function_calls_alloca): Delete declarations.
22912 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22914 * config/vax/vms.h (current_function_name): Delete declaration.
22915 * gcse.c: Include "function.h".
22916 (current_function_name, current_function_calls_setjmp): Delete
22918 * haifa-sched.c: Include "function.h".
22919 (forced_labels): Delete declaration.
22920 * jump.c: Likewise.
22921 * reg-stack.c: Likewise.
22922 * reload1.c: Likewise.
22923 * genemit.c (main): Make generated file include function.h.
22924 * genoutput.c (output_prologue): Likewise.
22926 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22927 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22928 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22929 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22930 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22931 macros for some of them.
22932 (emit_filename, emit_lineno): Delete declarations.
22933 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22934 regno_pointer_* variables through current_function.
22935 (gen_inline_header_rtx): Delete function.
22936 (save_emit_status): Delete function.
22937 (set_new_last_label_num): New function.
22938 (clear_emit_caches): New function.
22939 (restore_emit_status): Just clear last_labelnum and call
22941 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22942 through macro seq_stack.
22943 (add_insn_after): Likewise.
22944 (add_insn_before): Likewise.
22945 (remove_insn): Likewise.
22946 (pop_topmost_sequence): Likewise.
22947 (in_sequence_p): Likewise.
22948 (start_sequence_for_rtl_expr): Likewise.
22949 (start_sequence): Likewise, and likewise for
22950 sequence_rtl_expr/seq_rtl_expr.
22951 (push_topmost_sequence): Likewise.
22952 (end_sequence): Likewise.
22953 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22954 All callers changed. Store into that pointer instead of globals.
22955 (init_emit): Allocate emit elt of current_function.
22956 Changes for sequence_rtl_expr/sequence_stack renaming.
22957 Call clear_emit_caches instead of doing it in-line.
22958 Access regno_pointer_* variables through current_function.
22959 (init_emit_once) Don't clear sequence_stack.
22961 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22963 (arg_pointer_save_area): Delete declaration.
22964 (finish_expr_for_function): Renamed from init_queue; no longer static.
22965 (init_expr): Don't call init_queue.
22966 (save_expr_status, restore_expr_status): Delete functions.
22967 (expand_expr): Changes to reflect new layout of struct function.
22968 Don't access current_function_check_memory_usage when current_function
22970 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22971 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22972 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22973 current_function_uses_const_pool, function_call_count,
22974 current_function_uses_pic_offset_table, nonlocal_labels,
22975 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22976 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22977 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22979 (finish_expr_for_function): Declare.
22980 * flags.h (current_function_has_nonlocal_label,
22981 current_function_has_nonlocal_goto, current_function_is_thunk,
22982 current_function_has_computed_jump): Delete declarations.
22983 * flow.c (forced_labels): Delete declaration.
22984 * function.c (current_function_pops_args,
22985 current_function_returns_struct, current_function_returns_pcc_struct,
22986 current_function_needs_context, current_function_calls_setjmp,
22987 current_function_calls_longjmp, current_function_has_nonlocal_label,
22988 current_function_has_nonlocal_goto, current_function_is_thunk,
22989 current_function_has_computed_jump, current_function_calls_alloca,
22990 current_function_contains_functions, current_function_returns_pointer,
22991 current_function_epilogue_delay_list, current_function_args_size,
22992 current_function_pretend_args_size, current_function_arg_offset_rtx,
22993 current_function_outgoing_args_size, current_function_varargs,
22994 current_function_stdarg, current_function_args_info, cleanup_label,
22995 current_function_name, current_function_uses_const_pool,
22996 current_function_instrument_entry_exit, current_function_return_rtx,
22997 current_function_uses_pic_offset_table, nonlocal_labels,
22998 current_function_internal_arg_pointer, current_function_cannot_inline,
22999 current_function_check_memory_usage, function_call_count,
23000 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23001 nonlocal_goto_stack_level, return_label, save_expr_regs,
23002 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23003 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23004 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23005 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23006 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23008 (push_function_context_to): Don't save them. Don't call
23009 save_storage_status, save_emit_status or save_expr_status.
23010 (pop_function_context_from): Don't restore them. Don't call
23011 restore_storage_status or restore_expr_status.
23012 (get_func_frame_size): New function.
23013 (get_frame_size): Use it.
23014 (assign_outer_stack_local): Reflect some member name changes in struct
23016 (put_reg_into_stack): Likewise.
23017 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23019 (fixup_var_refs): Likewise.
23020 (fix_lexical_addr): Likewise.
23021 (trampoline_address): Likewise.
23022 (prepare_function_start): Clear field inlinable of current_function.
23023 (init_function_for_compilation): New function.
23024 (expand_dummy_function_end): New function.
23025 (expand_function_end): Call finish_expr_for_function.
23026 * function.h (struct emit_status): New; fields moved here from struct
23027 function and from global variables. Add accessor macros for some of
23029 (struct expr_status): Likewise.
23030 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23031 (struct function): Add fields expr and emit, inlinable, inl_emit,
23032 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23033 inl_max_label_num. Add many comments.
23034 Add accessor macros for all elts of struct function that no longer
23035 have a global variable.
23036 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23037 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23038 stack_slot_list): Delete declarations.
23039 (get_func_frame_size): Declare.
23040 (save_expr_status, restore_expr_status, save_emit_status,
23041 save_storage_status, restore_storage_status): Delete declarations.
23042 (init_virtual_regs): Declare.
23043 * output.h (current_function_pops_args,
23044 current_function_returns_struct, current_function_returns_pcc_struct,
23045 current_function_needs_context, current_function_calls_setjmp,
23046 current_function_calls_longjmp, current_function_calls_alloca,
23047 current_function_has_nonlocal_label, current_function_varargs,
23048 current_function_has_computed_jump, current_function_returns_pointer,
23049 current_function_contains_functions, current_function_args_size,
23050 current_function_pretend_args_size, current_function_stdarg,
23051 current_function_outgoing_args_size, current_function_args_info,
23052 current_function_name, current_function_return_rtx,
23053 current_function_epilogue_delay_list,
23054 current_function_uses_const_pool, current_function_cannot_inline):
23055 Delete declarations.
23056 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23057 regno_reg_rtx): Delete declaration.
23058 (REGNO_POINTER_FLAG): Delete macro.
23059 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23060 function were renamed.
23061 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23063 * toplev.c: Include "function.h".
23064 (current_function_decl): Delete declaration.
23065 (compile_file): Call init_dummy_function_start and
23066 expand_dummy_function_end around some initializations that need to
23068 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23069 Call init_function_for_compilation.
23070 * unroll.c: Include "function.h"
23071 (unroll_loop): Access regno_pointer_* variables through
23074 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23075 (DECL_SAVED_INSNS): use it.
23076 (expand_dummy_function_end): Declare.
23077 (init_function_for_compilation): Declare.
23078 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23079 that it's no longer an INLINE_HEADER.
23080 (expand_call): Likewise.
23081 * integrate.c (finish_inline): Delete function.
23082 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23083 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23084 args. Don't generate an INLINE_HEADER rtx, just return the arg
23085 vector. All callers changed.
23086 (save_for_inline_copying): Create a duplicate struct emit_status to
23087 hold the emit state for compiling the current function. Use this and
23088 the other new fields in struct function that are for integration
23089 instead of an INLINE_HEADER.
23090 Use memcpy instead of bcopy.
23091 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23092 (save_for_inline_nocopy): Similar changes, except no new emit_status
23094 (expand_inline_function): Get information from function structure,
23095 not from an inline header rtx.
23096 (output_inline_function): Lose code to extract the necessary
23097 information from an inline header; simply put back the function
23098 structure into current_function. Clear its inlinable elt.
23099 * rtl.def (INLINE_HEADER): Delete.
23100 * rtl.h: Delete all accessors for an INLINE_HEADER.
23101 (gen_inline_header_rtx): Delete declaration.
23102 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23103 Delete declarations.
23104 (REGNO_POINTER_ALIGN): Delete.
23105 (clear_emit_caches): Declare.
23106 (set_new_last_label_num): Declare.
23108 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23110 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23112 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23113 * stmt.c (is_eh_region): Make sure current_function is present, too.
23115 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23117 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23118 for 64bit PA targets.
23120 * pa.h (SELECT_SECTION): Define.
23121 * som.h (SELECT_SECTION): Delete.
23123 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23125 * alias.c (init_alias_analysis): Wrap call to
23126 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23128 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23130 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23131 <sys/asm.h> contains an asm comment with an apostrophe
23132 * fixinc/inclhack.sh: regen
23133 * fixinc/fixincl.x: regen
23135 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23137 * function.c (init_function_start): Clear prologue & epilogue.
23138 (prologue_epilogue_contains): New function.
23139 * alias.c (init_alias_analysis): Use it.
23140 * rtl.h (prologue_epilogue_contains): Declare it.
23142 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23144 * jump.c (onlyjump_p): New function.
23145 * rtl.h: Declare it.
23146 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23147 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23149 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23151 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23152 to invert loops. Simplify block scanning.
23154 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23156 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23157 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23159 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23161 * config/sparc/liteelf.h: New file to support sparclite-elf target
23162 * config/sparc/t-sp86x: New file to support sparc86x targets
23163 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23164 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23165 * configure.in: Support above target triplets
23166 * configure: Regenerated
23168 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23170 * fixinc/server.c (server_setup): Do not prefix function used as
23171 parameter with `&'.
23173 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23175 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23176 Remove fp reg alternatives.
23178 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23180 * Makefiin (TAROUTOPTS): Kill.
23181 (install-headers-tar): Use "xpf" for tar headerfile extraction
23182 * i370/x-oe (TAROUTOPTS): Delete.
23183 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23184 * m68k/x-hp320 (TAROUTOPTS): Delete.
23185 * m68k/x-hp320g (TAROUTOPTS): Delete.
23186 * gcc.texi: Update bug reporting text.
23188 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23190 * reg-stack.c (change_stack) Fixed problem with negative array index.
23192 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23194 * extend.texi, install.texi: Fix spelling mistakes.
23196 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23197 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23198 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23199 PREMADE_ATTRTAB_MD.
23200 * mips/t-ecoff: Likewise.
23201 * mips/t-elf: Likewise.
23202 * mips/t-mips: Likewise.
23203 * mips/t-osfrose: Likewise.
23204 * mips/t-r3900: Likewise.
23205 * mips/t-svr3: Likewise.
23206 * mips/t-svr4: Likewise.
23207 * mips/t-ultrix: Likewise.
23209 * gcc.texi: Document recommend means to provide software floating
23210 point libraries in libgcc.a
23212 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23214 * c-lex.c (yylex): We can have a number with no digits.
23216 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23218 * jump.c (delete_prior_computation): New function, broken
23219 out of delete_computation. Check for side effects with
23220 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23221 multi-word hard registers.
23222 (delete_computation): Use it. Check for side effects with
23223 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23224 missing REG_DEAD note for a register which is both set and
23227 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23229 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23230 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23231 (ASM_FILE_START): Import _mcount with the right type.
23232 (ASM_DECLARE_FUNCTION_NAME): Define.
23233 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23234 * pa.c (output_function_prologue): Always emit the function's label
23236 * pa.h (TEXT_SPACE_P): Define.
23237 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23238 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23239 * som.h (TEXT_SPACE_P): Delete.
23240 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23241 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23243 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23245 * expr.c (emit_group_load): Allow src to be a CONCAT.
23247 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23249 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23250 (___mulsi3): Use '!' comment character.
23252 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23254 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23256 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23258 * gcc.c: Update URLs and mail addresses.
23259 * gcc.texi: Likewise.
23261 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23263 * rs6000.c (current_file_function_operand): Return zero for
23265 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23267 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23270 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23272 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23273 allocate space in the stack frame for the PIC register.
23275 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23277 * m68k.md (xordi3, anddi3): These patterns are not available on
23280 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23282 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23283 (PUT_REAL): Likewise.
23285 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23287 * final.c (shorten_branches): Don't add an alignment for loops
23288 that have no label inside.
23290 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23292 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23293 prototypes in macro HAVE_cmpstrsi.
23295 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23297 * emit-rtl.c (operand_subword): Remove unused variable
23300 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23302 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23304 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23306 * cpphash.c (macroexpand): Delete leading whitespace when arg
23307 is concatenated before.
23308 (unsafe_chars): Correct test for whether + and - can extend a
23311 * cppinit.c (cpp_start_read): Do dependencies for
23312 -include/-imacros files also.
23314 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23315 tokenizing non-directive lines.
23316 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23317 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23320 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23322 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23324 * c-lex.c: Sync with C++ frontend.
23325 (linemode): New variable.
23326 (parse_float): imag, conversion_errno, and type are output only.
23327 (yylex): Adjust. Move initial '.' case into main switch.
23329 (handle_generic_pragma): Just deal with tokens.
23330 (readescape): Use ISXDIGIT and ISGRAPH.
23331 * c-parse.in: Add END_OF_LINE token.
23333 * c-lex.c (lang_init): Generalize.
23334 (nextchar): Remove. Replace uses with UNGETC.
23335 (skip_white_space): Handle linemode here. Optimize for cpplib.
23336 (skip_white_space_on_line): Remove.
23337 (extend_token_buffer_to): New fn.
23338 (extend_token_buffer): Use it.
23339 (read_line_number, check_newline): Just deal with tokens.
23340 (token_getch, token_put_back): New fns.
23341 (yylex): Use them. More cpplib optimizations. Simplify.
23343 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23344 Jason Merrill <jason@yorick.cygnus.com>
23346 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23347 (consume_string): Make this smart about USE_CPPLIB.
23348 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23349 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23350 Also, clean up cases where we redundantly set token_buffer[0].
23351 (read_line_number): New fn.
23352 (ignore_escape_flag): New variable.
23354 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23356 * a29k/t-a29kbare: Fix some comments.
23357 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23358 (FPBIT, DPBIT): Define.
23359 * a29k/t-vx29k: Likewise.
23360 * arc/t-arc: Likewise.
23361 * arm/t-arm-elf: Likewise.
23362 * arm/t-bare: Likewise.
23363 * arm/t-pe: Likewise.
23364 * arm/t-pe-thumb: Likewise.
23365 * arm/t-semi: Likewise.
23366 * arm/t-thumb: Likewise.
23367 * arm/t-thumb-elf: Likewise.
23368 * arm/t-thumb-linux: Likewise.
23369 * h8300/t-h8300: Likewise.
23370 * i960/t-i960: Likewise.
23371 * i960/t-vxworks960: Likewise.
23372 * m32r/t-m32r: Likewise.
23373 * mips/t-ecoff: Likewise.
23374 * mips/t-elf: Likewise.
23375 * mips/t-r3900: Likewise.
23376 * pa/t-pro: Likewise.
23377 * rs6000/t-aix43: Likewise.
23378 * rs6000/t-beos: Likewise.
23379 * rs6000/t-newas: Likewise.
23380 * rs6000/t-ppccomm: Likewise.
23381 * rs6000/t-rs6000: Likewise.
23382 * rs6000/t-winnt: Likewise.
23383 * rs6000/t-xnewas: Likewise.
23384 * rs6000/t-xrs6000: Likewise.
23385 * sh/t-sh: Likewise.
23386 * sparc/t-elf: Likewise.
23387 * sparc/t-sparcbare: Likewise.
23388 * sparc/t-sparclite: Likewise.
23389 * sparc/t-splet: Likewise.
23390 * v850/t-v850: Likewise.
23391 * mn10200/t-mn10200: Fix comments.
23392 * mn10300/t-mn10300: Likewise.
23394 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23395 dummy operand. Allocate a new pseudo for the dummy operand.
23396 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23398 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23400 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23402 * configure: Rebuilt.
23403 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23405 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23407 * recog.c (preproces_constraints): Zero recog_op_alt before
23408 processing the constraints.
23410 * arm.c (typedef minipool_node): Renamed from pool_node.
23411 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23412 (add_minipool_constant): New function.
23413 (dump_minipool): New function.
23414 (find_barrier): Remove special case for getting the insn size of
23415 an insn that references the constant pool.
23416 (minipool_fixup): New structure.
23417 (push_minipool_barrier): New function.
23418 (push_minipool_fix): New function.
23419 (note_invalid_constants): New function.
23420 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23421 (arm_reorg): Rewrite code to fix up the constant pool into a
23422 series of mini-pools embedded in the insn stream.
23423 (arm_output_epilogue): New function, made mainly from the body
23424 of output_func_epilogue.
23425 (output_func_epilogue): Move insn generation part of epilogue code
23426 to arm_output_epilogue.
23427 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23428 * arm.md (pool_range): New attribute.
23429 (zero_extendqidi2): Add attribute pool_range.
23430 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23431 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23432 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23433 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23434 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23435 (epilogue): New expand.
23436 (epilogue_insn): New insn. Call arm_output_epilogue.
23438 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23439 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23441 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23443 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23445 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23447 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23449 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23451 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23453 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23455 * global.c: Fix comment.
23457 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23459 * gcc.c (access_check): New static function.
23460 (find_a_file): Use it when searching a directory list.
23461 * collect2.c (find_a_file): Don't accept directories found when
23462 searching a directory list.
23464 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23466 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23467 function parameters with `&'.
23468 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23470 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23472 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23473 or tidy_fallthru_edge if the last insn in the block is not
23474 an unconditional jump or a simple conditional jump.
23476 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23478 * Makefile.in (c-decl.o): Depends on defaults.h.
23480 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23482 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23484 (CLASS_MAX_NREGS): Likewise.
23486 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23488 * cse.c (cse_insn): Fix dumb thinko in last change.
23490 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23492 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23495 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23497 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23498 test for sizes of passed and declared parameter types.
23500 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23502 * fixincludes: Fix the return type of bsearch, char* -> void*.
23504 * fixinc/inclhack.def: Likewise.
23506 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23508 * invoke.texi (-fdump-translation-unit): New option.
23510 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23512 * expr.h (PROMOTE_PROTOTYPES): Move ...
23513 * defaults.h: ... to here.
23514 * c-decl.c: Include defaults.h instead of expr.h.
23515 * c-typeck.c: Include defaults.h.
23517 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23519 * toplev.h (errorcount): Declare.
23520 (warningcount): Likewise.
23521 (sorrycount): Likewise.
23522 * c-lex.c (errorcount): Don't declare.
23523 * dwarf2out.c (errorcount): Don't declare.
23525 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23527 * config/libgloss.h: Add a note discouraging use with ELF.
23528 * configure.in: Don't use libgloss.h for ELF targets.
23529 Always use_collect2 on a.out targets.
23531 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23533 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23534 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23536 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23538 * loop.c (strength_reduce): When doing biv->giv conversion, update
23539 reg note of NEXT->insn.
23541 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23543 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23545 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23547 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23548 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23549 Ensure expr.h is included.
23550 * c-typecheck.c (convert_arguments): Ditto.
23552 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23554 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23555 * config/convex/convex.h: Ditto.
23556 * config/dsp16xx/dsp16xx.h: Ditto.
23557 * config/fx80/fx80.h: Ditto.
23558 * config/gmicro/gmicro.h: Ditto.
23559 * config/i370/i370.h: Ditto.
23560 * config/i386/i386.h: Ditto.
23561 * config/m32r/m32r.h: Ditto.
23562 * config/m68k/m68k.h: Ditto.
23563 * config/m88k/m88k.h: Ditto.
23564 * config/mips/mips.h: Ditto.
23565 * config/pa/pa.h: Ditto.
23566 * config/pyr/pyr.h: Ditto.
23567 * config/tahoe/tahoe.h: Ditto.
23568 * config/we32k/we32k.h: Ditto.
23570 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23571 based on arch size.
23573 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23575 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23578 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23580 1999-08-02 Richard Henderson <rth@cygnus.com>
23582 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23583 for the register spill block.
23584 (m32r_va_arg): New.
23585 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23586 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23588 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23589 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23590 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23592 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23594 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23595 MAX_WCHAR_TYPE defined in sparc.h.
23596 * config/sparc/linuxaout.h: Likewise.
23597 * config/sparc/linux64.h: Likewise.
23598 Also default to -mvis if CPU is UltraSPARC.
23600 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23602 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23603 (RTX_OK_FOR_OLO10): Likewise.
23604 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23605 %lo(), allow it in addresses...
23606 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23607 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23608 does not make sense.
23609 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23610 (sparc_output_scratch_registers): New function.
23611 (output_function_prologue, sparc_flat_output_function_prologue): Use
23613 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23615 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23616 * configure.in: Add check for .register pseudo-op support in as and
23617 check for offsetable %lo().
23618 * acconfig.h: Add templates for the above checks.
23619 * configure: Regenerate.
23621 1999-08-02 Richard Henderson <rth@cygnus.com>
23623 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23624 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23625 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23627 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23629 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23632 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23634 * config/float-sparc.h: New file.
23635 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23636 sparc-*-linux-gnu and sparc64-*-linux*.
23638 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23640 * rs6000.c (rs6000_va_list): Type is an array.
23641 (rs6000_va_start): Don't doubly adjust for varargs.
23642 (rs6000_va_arg): Evaluate long long GPR adjustment.
23644 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23646 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23647 -maix64 and -maix32.
23648 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23649 LINK_SPEC): Change appropriately.
23650 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23651 (u_short_cint_operand): Likewise.
23652 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23654 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23656 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23658 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23660 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23661 for type promotion.
23662 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23663 (non_add_cint_operand): Likewise.
23664 (logical_operand): Likewise.
23665 (non_logical_cint_operand): Likewise.
23666 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23667 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23668 (rs6000_select_rtx_section): Suppress warning.
23669 (small_data_operand): Suppress warning.
23670 (rs6000_got_register): Suppress warning.
23671 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23672 type, so `J' is generally the wrong constraint for a SImode value;
23674 (andsi3_internal2): Likewise.
23675 (andsi3_internal3): Likewise.
23676 (iorsi3_internal1): Likewise.
23677 (xorsi3_internal1): Likewise.
23679 (movsf_softfloat): Likewise.
23680 (scc insns): Likewise.
23681 (movsi+2): Preserve sign bits of SImode constant.
23682 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23683 (movdf+1): Sign-extend properly.
23684 (movdi_32+1): Sign-extend properly.
23685 (scc insns): Sign-extend properly.
23687 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23690 1999-08-02 Richard Henderson <rth@cygnus.com>
23692 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23693 -mcpu parsing code.
23694 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23695 * alpha.md (all fp insns): Likewise.
23697 1999-08-02 Nick Clifton <nickc@cygnus.com>
23699 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23702 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23704 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23705 pic_load_label generator directly.
23706 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23707 No longer a named pattern.
23709 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23711 * explow.c (force_reg): Call force_operand if X does not
23712 satisfy general_operand.
23714 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23716 * fix-header.c (main): When testing for CONTINUED, use string
23717 equality, not pointer equality.
23719 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23721 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23723 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23725 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23726 that has become an unconditional jump.
23728 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23729 (output_function_epilogue): Similarly.
23731 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23733 * tree.h (init_dummy_function_start): Declare.
23735 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23737 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23738 last_expr_type, last_expr_value, block_start_count, block_stack,
23739 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23740 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23741 dynamically in stmt elt of struct function for each function.
23742 (struct nesting): Rename function_call_count elt to n_function_calls,
23743 target_temp_slot_level to block_target_temp_slot_level. All users
23745 (struct stmt_status): New structure definition.
23746 Add many accessor macros for stmt_status elements which previously
23747 were global variables.
23748 (init_stmt_for_function): Allocate stmt elt for current_function.
23749 Reflect that block_start_count was renamed to
23750 current_block_start_count.
23751 (save_stmt_status, restore_stmt_status): Delete functions.
23752 (preserve_subexpressions_p): Don't access loop_stack when outside
23754 (expand_start_bindings): Reflect that block_start_count was renamed to
23755 current_block_start_count.
23756 (expand_fixup): Likewise.
23757 (expand_decl): Don't access block_stack when outside a function.
23758 (expand_decl_cleanup): Likewise.
23759 (expand_dcc_cleanup): Likewise.
23760 (expand_dhc_cleanup): Likewise.
23761 (expand_anon_union_decl): Likewise.
23762 (set_file_and_line_for_stmt): New function.
23763 (in_control_zone_p): New function.
23765 * function.h (struct function): Add new elt stmt.
23766 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23767 case_stack, nesting_stack, nesting_depth, block_start_count,
23768 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23769 emit_lineno, goto_fixup_chain.
23770 (save_eh_status, restore_eh_status, save_stmt_status,
23771 restore_stmt_status): Delete declarations.
23772 * function.c (push_function_context_to): Don't call save_stmt_status.
23773 (pop_function_context_to): Don't call restore_stmt_status.
23774 * tree.h (in_control_zone_p): Declare.
23775 * rtl.h (set_file_and_line_for_stmt): Declare.
23777 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23778 call set_file_and_line_for_stmt.
23780 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23782 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23783 Also update copyright.
23785 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23787 * c-pragma.c: Don't include "except.h".
23788 * emit-rtl.c: Likewise.
23789 * stor-layout.c: Likewise.
23790 * tree.c: Likewise.
23791 * varasm.c: Likewise.
23793 * flow.c: Include "function.h".
23794 * tree.h (init_dummy_function_start): Declare new function.
23796 * except.h (struct eh_status): New structure.
23797 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23799 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23800 catch_clauses, false_label_stack, caught_return_label_stack,
23801 protect_list, current_function_ehc): Add accessor macros for the
23802 corresponding fields in current_function->eh; delete declarations
23803 for all items that used to be declared here.
23804 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23805 catch_clauses, false_label_stack, caught_return_label_stack,
23806 protect_list, current_function_ehc): Delete variables.
23807 (init_eh_for_function): Allocate current_function->eh.
23808 (save_eh_status, restore_eh_status): Delete functions.
23810 * function.h (struct function): Add fields next_global and eh.
23811 Delete all exception handling related fields.
23812 * function.c (current_function): New variable.
23813 (all_functions): New variable.
23814 (push_function_context_to): Don't allocate a struct function,
23815 use current_function instead. Call init_dummy_function_start when
23816 outside a function. Clear current_function before returning.
23817 (pop_function_context_from): Restore current_function.
23818 Don't free the restored struct function.
23819 (prepare_function_start): New function.
23820 (init_dummy_function_start): New function.
23821 (init_function_start): Break out some code into prepare_function_start
23824 * stmt.c (save_stmt_status): Don't call save_eh_status.
23825 (restore_stmt_status): Don't call restore_eh_status.
23827 * Makefile.in: Update dependencies.
23829 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23831 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23832 of depending on a magic constant value. Update comments.
23833 (hppa_expand_prologue): Similarly.
23835 * pa.md (reload_indi, reload_outdi): Allow any register for the
23836 original reload register.
23838 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23840 * cccp.c (print_help): Change marcos to macros.
23842 1999-07-30 Richard Henderson <rth@cygnus.com>
23844 * c-typeck.c (initializer_constant_valid_p): Move ...
23845 * c-common.c (initializer_constant_valid_p): ... here. Use
23846 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23847 of label addresses.
23848 * c-common.h (initializer_constant_valid_p): Declare.
23849 * c-tree.h (initializer_constant_valid_p): Remove.
23851 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23853 * config/i386/sol2-c1.asm: Align the stack.
23854 * config/i386/sol2-gc1.asm: Likewise.
23856 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23858 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23859 -Asparclite for sparc86x.
23860 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23862 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23864 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23866 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23867 the user if using the non-default arch size in BI_ARCH configuration.
23868 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23870 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23871 Fix patterns so that they actually match.
23872 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23873 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23874 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23876 (mulsidi3): Reflect this in the expand.
23877 (smulsi3_highpart): Only on TARGET_ARCH32.
23878 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23879 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23880 (umulsidi3): Reflect this in the expand.
23881 (umulsi3_highpart): Only on TARGET_ARCH32.
23882 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23883 don't require g0 to be zero.
23884 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23885 ({,u}divsi3): New expands.
23886 ({,u}divsi3_sp64): New patterns.
23887 (after lshrdi3_v8plus): Four new patterns to help combiner
23888 optimizing nested mixed mode shifts.
23890 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23891 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23892 speed things up. Don't use them by default on plain v9 in 64bit
23893 mode, according to what SPAMv9 sais.
23895 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23896 top 32 bits of %[og][0-7] in signal handlers.
23897 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23899 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23901 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23902 (ashlsi3): Corresponding changes.
23904 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23906 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23908 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23910 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23912 * arm.h (Hint): Delete macro.
23913 Substitute HOST_WIDE_INT for Hint in some prototypes.
23914 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23916 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23918 * builtins.c (expand_builtin_setjmp): Use force_operand to
23919 make sure that the buffer address is in a suitable form to be
23920 passed to force_reg.
23922 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23924 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23927 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23929 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23930 proper mode in the condition string.
23931 (icacheflush, dcacheflush): Remove modes from match_operands.
23933 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23934 proper mode before using it.
23936 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23939 * pa.c (store_reg): Do not call add_high_const generator directly.
23940 (load_reg, set_reg_plus_d): Likewise.
23941 * pa.md (add_high_const): No longer a named pattern.
23943 * pa.c (legitimize_address): Consistently use Pmode rather than
23944 SImode. Do not call gen_pic2_highpart directly anymore.
23945 * pa.md (pic2_highpart): No longer a named pattern.
23946 (pic2_lo_sum): Similarly. Reformat to make more readable.
23948 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23953 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23955 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23957 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23959 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23960 and tag the spill mems.
23961 (hppa_va_start): New.
23962 (hppa_va_arg): New.
23963 * pa.h (EXPAND_BUILTIN_VA_START): New.
23964 (EXPAND_BUILTIN_VA_ARG): New.
23966 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23968 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23969 and tag the spill mems.
23970 (mn10300_va_start): New.
23971 (mn10300_va_arg): New.
23972 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23973 (EXPAND_BUILTIN_VA_ARG): New.
23975 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23977 * mn10200.c (mn10200_va_arg): New.
23978 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23980 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23982 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23983 rather than play with TREE_INT_CST_LOW.
23985 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23987 * config/arm/telf.h: Include dbxelf.h.
23988 (CPP_PREDEFINES): Only define if not already defined.
23989 (ASM_IDENTIFY_GCC): Likewise.
23990 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23991 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23992 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23994 (DBX_DEBUGGING_INFO): Don't define.
23995 * config/arm/linux-telf.h: New file.
23996 * config/arm/linux-tgas.h: New file.
23997 * config/arm/t-thumb-linux: New file.
23998 * config/arm/uclinux-elf.h: New file.
23999 * config/arm/uclinux-telf.h: New file.
24000 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24001 thumb-*-uclinux): New targets.
24002 * configure: Regenerate.
24004 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24006 * pa.md (post_store, pre_load): New expanders.
24007 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24008 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24009 need to directly generate RTL for them.
24010 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24013 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24015 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24016 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24017 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24018 (secndary_reload_class): Make TARGET_ELF conditional compile.
24019 (print_operand_address): Similar.
24020 (output_toc): Print all values as hex.
24021 (get_issue_rate): Rearrange and add RS64A and PPC630.
24022 * rs6000.h (processor_type): Add RS64A and PPC630.
24023 (PROCESSOR_POWERPC64): New.
24024 (PROMOTE_MODE): Use word_mode.
24025 (RTX_COSTS): Add RS64A and PPC630.
24026 * rs6000.md (scheduling information): Add lmul and ldiv
24027 representing 64-bit integer multiply and divide. Add rs64a and
24028 PPC630 information.
24029 (ashldi3): Add support for "rldic" instruction.
24030 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24032 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24034 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24035 instead of V8 for sparclite86x in cpu_table.
24037 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24039 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24040 output_file_directive.
24042 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24044 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24045 tree for op1, not the rtl.
24047 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24049 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24050 to m88k_va_start, leaving only the register spill.
24051 (m88k_build_va_list): New.
24052 (m88k_va_start): New.
24053 (m88k_va_arg): New.
24054 * m88k.h (BUILD_VA_LIST_TYPE): New.
24055 (EXPAND_BUILTIN_VA_START): New.
24056 (EXPAND_BUILTIN_VA_ARG): New.
24058 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24060 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24061 Rename from expand_builtin_saveregs.
24062 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24064 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24066 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24067 for the register spill block.
24068 (i960_build_va_list): New.
24069 (i960_va_start): New.
24070 (i960_va_arg): New.
24071 * i960.h (BUILD_VA_LIST_TYPE): New.
24072 (EXPAND_BUILTIN_VA_START): New.
24073 (EXPAND_BUILTIN_VA_ARG): New.
24074 * i960.md (store_multiple): Use change_address on individul mems.
24076 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24078 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24080 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24081 (expand_builtin_va_end): Evaluate arg for side effects.
24082 * c-common.c (c_common_nodes_and_builtins): Construct a
24083 va_list_arg_type_node to handle array decomposition to pointer.
24085 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24087 * except.c (st_dynamic_cleanup): Use force_operand on the
24090 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24092 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24093 * c4x.c (c4x_va_arg): New.
24095 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24097 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24098 has manual_pop set.
24100 1999-07-26 Nathan Sidwell <nathan@acm.org>
24102 * eh-common.h (__eh_matcher): Prototype correctly.
24104 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24106 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24107 (TARGET_SINGLE_PIC_BASE): Likewise.
24108 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24110 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24111 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24112 (TARGET_OPTIONS): Add -mpic-register=N.
24113 (OUTPUT_INT_ADDR_CONST): New macro.
24114 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24115 LEGITIMATE_PIC_OPERAND_P): Likewise.
24116 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24117 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24118 output_addr_const directly.
24119 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24121 (thumb_pic_register, thumb_pic_register_string): Declare.
24123 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24125 (label_mentioned_p): New function: Imported from arm.c.
24126 (legitimize_pic_address): New function: Imported from arm.c.
24127 (is_pic):New function: Imported from arm.c.
24128 (thumb_finalize_pic):New function: Imported from arm.c.
24129 (add_constant): Cope with PIC constants.
24130 (fixit): Cope with PIC constants.
24131 (output_return): Do not treat the PIC register as live if
24132 TARGET_SINGLE_PIC_BASE is true.
24133 (thumb_function_prologue): Do not treat the PIC register as live if
24134 TARGET_SINGLE_PIC_BASE is true.
24135 (thumb_expand_prologue): Do not treat the PIC register as live if
24136 TARGET_SINGLE_PIC_BASE is true.
24137 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24138 TARGET_SINGLE_PIC_BASE is true.
24139 (thumb_print_operand): Accept '|'.
24140 (thumb_override_options): Process PIC options.
24142 * config/arm/thumb.md (movsi): Support PIC.
24143 (call_insn): Change "i" constraint to "X".
24144 (call_value_insn): Likewise.
24145 (consttable_4, consttable_8, consttable_end): Set and clear
24146 "making_const_table" as appropriate.
24147 (pic_load_addr, pic_add_dot_plus_four): New insns.
24149 * invoke.texi (Thumb Options): Fix spelling. Document new
24150 options -msingle-pic-base and -mpic-register=.
24152 1999-07-26 Andrew Haley <aph@cygnus.com>
24154 * config/m32r/initfini.c (__init): Use a full word immediate for
24155 __fini: this allows it to be placed in any memory region.
24157 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24158 -mmodel=medium. This is OK for all memory models.
24160 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24162 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24163 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24165 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24167 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24170 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24172 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24174 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24175 (BUILD_VA_LIST_TYPE): New.
24176 (EXPAND_BUILTIN_VA_START): New.
24177 (EXPAND_BUILTIN_VA_ARG): New.
24178 * i860.c (output_delayed_branch): Disable.
24179 (output_delay_insn): Likewise.
24180 (i860_saveregs): New.
24181 (i860_build_va_list): New.
24182 (i860_va_start): New.
24183 (i860_va_arg): New.
24184 * i860.md: Disable all peepholes using output_delayed_branch.
24185 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24187 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24189 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24190 (BUILD_VA_LIST_TYPE): New.
24191 (EXPAND_BUILTIN_VA_START): New.
24192 (EXPAND_BUILTIN_VA_ARG): New.
24193 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24194 Return the address of the save area.
24195 (clipper_build_va_list): New.
24196 (clipper_va_start): New.
24197 (clipper_va_arg): New.
24199 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24201 * arc.h (EXPAND_BUILTIN_VA_START): New.
24202 (EXPAND_BUILTIN_VA_ARG): New.
24203 * arc.c (arc_setup_incoming_varargs): Set alias set of
24205 (arc_va_start): New.
24208 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24210 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24211 (BUILD_VA_LIST_TYPE): New.
24212 (EXPAND_BUILTIN_VA_START): New.
24213 (EXPAND_BUILTIN_VA_ARG): New.
24214 * alpha.c (alpha_builtin_saveregs): Delete.
24215 (alpha_build_va_list): New.
24216 (alpha_va_start): New.
24217 (alpha_va_arg): New.
24219 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24221 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24223 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24224 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24226 * gcc.texi: More changes related to list conversion.
24227 * invoke.texi: Likewise.
24229 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24231 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24232 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24233 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24234 (stabilize_va_list): New function.
24235 (std_expand_builtin_va_start): New function.
24236 (expand_builtin_va_start): New function.
24237 (get_varargs_alias_set): New function.
24238 (std_expand_builtin_va_arg): New function.
24239 (expand_builtin_va_arg): New function.
24240 (expand_builtin_va_end): New function.
24241 (expand_builtin_va_copy): New function.
24242 (expand_builtin): Call them.
24243 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24244 __builtin_{varargs_start,stdarg_start,end,copy}.
24245 (build_va_arg): New function.
24246 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24247 (build_va_arg): Declare.
24248 * c-decl.c (ptr_type_node, va_list_type_node): New.
24249 * c-parse.gperf (__builtin_va_arg): New.
24250 * c-parse.in (VA_ARG): New token.
24251 (unary_expr): Recognize it.
24252 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24253 * expr.h (std_expand_builtin_va_start): Declare.
24254 (std_expand_builtin_va_arg): Declare.
24255 (expand_builtin_va_arg): Declare.
24256 (get_varargs_alias_set): Declare.
24257 * tree.def (VA_ARG_EXPR): New.
24258 * tree.h (BUILT_IN_VARARGS_START): New.
24259 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24260 (ptr_type_node, va_list_type_node): Declare.
24261 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24262 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24263 * m88k.h, m88k.c: Likewise.
24264 * mn10300.h, mn10300.c: Likewise.
24265 * pa.h, pa.c: Likewise.
24266 * rs6000.h, rs6000.c: Likewise.
24267 * sh.h, sh.c: Likewise.
24268 * sparc.h, sparc.c: Likewise.
24270 * emit-rtl.c (operand_subword): Copy alias set.
24271 (change_address): Likewise.
24273 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24275 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24276 not just the first one.
24278 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24280 * config/arm/arm.h (TARGET_SWITCHES): Add
24281 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24282 (TARGET_OPTIONS): Add -mpic-register=.
24283 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24284 (arm_pic_register_string): Declare.
24285 (NEED_PLT_GOT): Delete, replace with ...
24286 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24287 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24288 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24289 * config/arm/arm.c (arm_override_options): Add new option
24291 (arm_pic_register_string): New variable.
24292 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24293 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24294 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24295 (output_return_instruction): Likewise.
24296 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24297 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24298 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24300 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24301 mention of -msched-prolog. Document new options -msingle-pic-base
24302 and -mpic-register=.
24304 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24306 * haifa-sched.c (reemit_notes): Tidy.
24307 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24310 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24312 * explow.c (trunc_int_for_mode): New function.
24313 (plus_constant_wide): Use it.
24314 * combine.c (simplify_and_const_int): Likewise.
24315 (merge_outer_ops): Likewise.
24316 (simplify_shift_const): Likewise.
24317 * cse.c (simplify_unary_operation): Likewise.
24318 (simplify_binary_operation): Likewise.
24319 * emit-rtl.c (operand_subword): Likewise.
24320 * rtl.h: Declare it.
24322 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24324 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24325 (use NUM_REGS instead of NUM_INTS).
24327 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24329 * builtins.c: New file.
24330 * expr.c (saveregs_value, apply_args_value): Delete definition,
24331 moved into builtins.c.
24332 (string_constant): No longer static.
24333 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24334 apply_args_size, apply_result_size, result_vector,
24335 expand_builtin_apply_args, expand_builtin_apply,
24336 expand_builtin_return): Delete functions, moved into builtins.c.
24337 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24338 * expr.h (saveregs_value, apply_args_value): Declare variables.
24339 (expand_builtin, string_constant): Declare functions.
24340 * Makefile.in: Update to build builtin.o.
24342 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24344 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24345 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24346 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24347 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24349 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24352 1999-07-21 Michael Meissner <meissner@cygnus.com>
24354 * print-rtl.c (print_rtx): Print the names of the virtual
24357 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24359 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24360 introduced in previous delta.
24362 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24364 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24365 to avoid name clash.
24367 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24369 * c-lex.c (yylex) : Correct the test for overflow when lexing
24372 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24374 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24375 (adjust_priority): Always call ADJUST_PRIORITY.
24376 (schedule_insn): Only put insns into the ready at cost 0.
24377 (schedule_block): Remove redundant initial sort. Give clock_var
24378 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24380 * tm.texi (MD_SCHED_REORDER): Update docs.
24382 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24383 * sparc.c (ultra_reorder_called_this_block): Delete.
24384 (ultrasparc_sched_init): Don't set it.
24385 (ultrasparc_sched_reorder): Don't check it.
24387 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24389 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24390 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24391 (function_arg_boundary): Align DFmode.
24392 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24393 to get fp reg and stack overflow correct.
24394 (function_arg): Likewise.
24395 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24396 (setup_incoming_varargs): Restructure for ABI_V4; use
24397 function_arg_advance to skip final named argument.
24398 (expand_builtin_saveregs): Properly unskip the last integer arg
24399 when doing varargs. Adjust overflow location calculation.
24401 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24402 explicitly unsigned.
24403 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24404 (__VA_GP_REGSAVE): Similarly.
24405 (__va_longlong_p): Delete.
24406 (__va_arg_type_violation): New declaration.
24407 (va_arg): Restructure. Flag promotion errors. Align double.
24408 TFmode passed by reference.
24410 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24411 in the HOST_BITS_PER_WIDE_INT > 32 case.
24413 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24415 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24417 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24419 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24420 * toplev.c (documented_lang_options): Add -fpreprocessed.
24421 * cpplib.h (struct cpp_buffer): Add preprocessed.
24422 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24423 (cpp_start_read): Don't expand macros or emit an initial #line
24424 directive if -fpreprocessed.
24426 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24428 * cpplib.h (struct cpp_buffer): Added manual_pop for
24429 better C++ tokenization.
24430 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24431 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24432 * c-common.c (cpp_token): Make non-static.
24434 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24436 * c-common.h: New file.
24437 * c-common.c (permanent_obstack): Delete unused declaration.
24438 (c_global_trees): New array.
24439 (c_common_nodes_and_builtins): New function; split off common code
24440 from init_decl_processing in both c-decl.c and cp/decl.c.
24441 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24442 c_global_trees and accessor macros defined in c-common.h.
24443 Include c-common.h.
24444 * c-decl.c: Delete definitions for tree nodes that were replaced by
24446 (init_decl_processing): Build void_list_node.
24447 Call c_common_nodes_and_builtins; delete code to generate the common
24449 * objc/objc-act.c (build_module_descriptor): Rename variable
24450 void_list_node to avoid clash with c-common.h.
24452 * Makefile.in: Update dependencies.
24453 * objc/Make-lang.in: Likewise.
24455 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24457 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24458 (UNIQUE_SECTION_P): Likewise.
24459 (UNIQUE_SECTION): Likewise.
24461 1999-07-19 Linas Vepstas <linas@linas.org>
24463 * config/i370/README: New file.
24464 * config/i370/linux.h: New file.
24465 * config/i370/mvs.h: New file.
24466 * config/i370/oe.h: New file.
24467 * config/i370/t-linux: New file.
24468 * config/i370/t-mvs: New file.
24469 * config/i370/t-oe: New file.
24470 * config/i370/x-oe: New file.
24471 * config/i370/xm-linux.h: New file.
24472 * config/i370/xm-mvs.h: New file.
24473 * config/i370/xm-oe.h: New file.
24475 * i370.c (label_node_t): Add first_ref_page, label_addr,
24476 label_first_ref, label_last_ref members.
24477 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24478 (MAX_MVS_LABEL_SIZE): Define.
24479 (MAX_LONG_LABEL_SIZE): Define.
24480 (alias_node_t, alias_anchor, alias_number): New.
24481 (mvs_function_table): Reorder for EBCDIC.
24482 (ascebc, ebcasc): Unconditionally define.
24483 (i370_branch_dest, i370_branch_length): New functions.
24484 (i370_short_branch, i370_label_scan): New functions.
24485 (mvs_get_label): Renamed from mvs_add_label. Search for
24486 an existing label before creating a new one.
24487 (mvs_add_label): New function.
24488 (mvs_get_label_page): New function.
24489 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24490 over the entire list.
24491 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24492 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24493 (mvs_add_alias, mvs_need_alias): New functions.
24494 (mvs_get_alias, mvs_check_alias): New functions.
24495 (handle_pragma): New function.
24496 (mvs_function_check): New function.
24497 (unsigned_jump_follows_p): Search harder.
24498 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24499 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24500 * i370.h (TARGET_VERSION): Delete.
24501 (CPP_SPEC, CPP_PREDEFINES): Delete.
24502 (mvs_label_emitted): Delete.
24503 (TARGET_EBCDIC): Delete.
24504 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24505 (HANDLE_PRAGMA): Define.
24506 (HARD_REGNO_NREGS): Handle complex modes.
24507 (HARD_REGNO_MODE_OK): Likewise.
24508 (CLASS_MAX_NREGS): Likewise.
24509 (RET_REG): Likewise.
24510 (EXTRA_CONSTRAINT): Define.
24511 (RETURN_IN_MEMORY): True for DImode.
24512 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24513 (FUNCTION_PROFILER): Delete.
24514 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24515 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24516 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24517 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24518 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24519 (ASM_FILE_START): Add "RMODE ANY".
24520 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24521 (ASM_GLOBALIZE_LABEL): Likewise.
24522 (ASM_OUTPUT_LABELREF): Likewise.
24523 (ASM_OUTPUT_COMMON): Likewise.
24524 (PRINT_OPERAND): Handle 'K', 'W', default.
24525 (PRINT_OPERAND_ADDRESS): New.
24526 (Lots of defines): Add support for TARGET_ELF_ABI.
24527 * i370.md (attr length): New. Define for all patterns.
24528 (*): Lots of tweeks to assembly output and constraints.
24530 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24532 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24533 Disable patterns performing SImode comparisons with SImode values
24534 if TARGET_POWERPC64 and instruction does not sign-extend or does
24535 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24536 differ for signed quantities.
24537 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24538 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24539 (decrement_and_branch_on_count): Add 64-bit variant.
24541 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24543 * final.c (output_asm_insn): When searching for the matching string
24544 for a given dialect, don't run past the end of the list of
24545 alternatives if there are fewer alternatives in the template than
24548 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24550 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24551 Removed paragraph about compression of files and size limitation,
24552 duplicated in the FAQ. Use gcc-patches for posting patches.
24553 * gcc.c (main): Updated URL with bug reporting instructions to
24554 gcc.gnu.org. Removed e-mail address.
24555 * system.h (abort): Likewise.
24557 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24559 * Makefile.in (stmp-multilib-sub): Make the files extracted
24560 from $(LIBGCC1) writable.
24562 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24564 * config/arm/aout.h: Reformat for improved readability.
24566 * config/arm/arm.h: Reformat for improved readability.
24567 Replace uses of fprintf with asm_fprintf where appropriate.
24568 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24569 function declaration assembler actions.
24570 (NUM_INTS): New macro: Convert from bytes to words.
24571 (NUM_REGS): New macro: Compute number of registers required to
24572 hold a quanitity of tyep MODE.
24573 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24575 (NUM_ARG_REGS): New macro: The number of argument registers
24577 (ARG_REGISTER): New macro: Compute the register number of the Nth
24579 (LAST_ARG_REGNUM): New macro: The number of the last argument
24581 (SP_REGNUM): New macro: Register number of the stack pointer.
24582 (FP_REGNUM): New macro: Register number of the frame pointer.
24583 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24584 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24585 CUMULATIVE_ARGS so that it counts registers not bytes.
24587 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24589 Replace uses of fprintf with asm_fprintf where appropriate.
24590 (output_ascii_pseudo_op): Replace with version from thumb.c
24592 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24594 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24595 SUBTARGET_CPP_SPEC.
24596 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24597 (ASM_FILE_START): Emit ASM_APP_OFF.
24599 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24601 * pa.c (compute_frame_size): Round frame according to
24602 STACK_BOUNDARY rather than a hardwired value.
24604 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24606 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24608 * configure: Rebuilt.
24610 * configure.in (hppa*-*-linux*): New configuration.
24611 * configure: Rebuilt.
24612 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24613 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24614 * pa/pa-linux.h: New file.
24615 * pa/t-linux: New file.
24616 * pa/xm-linux.h: New file.
24618 * pa.c (hppa_legitimize_address): Change references from SImode to
24619 either Pmode or word_mode as appropriate.
24620 (emit_move_sequence, store_reg, load_reg): Likewise.
24621 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24622 (output_mul_insn): Likewise.
24623 * pa.h (PROMOTE_MODE): Likewise.
24624 (INITIALZE_TRAMPOLINE): Likewise.
24625 (Pmode): Define to word_mode.
24627 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24628 value of 4. Allocate 8 bytes for each FP register save.
24629 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24631 (hppa_expand_prologue): Likewise.
24632 * pa.h (PROMOTE_MODE): Likewise.
24633 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24634 (FUNCTION_ARG_BOUNDARY): Likewise.
24636 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24638 * pa.c (out_of_line_prologue_epilogue): Delete.
24639 (override_options): Remove -mspace related code.
24640 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24641 (compute_frame_size): Only allocate space for register that
24642 actually need to be saved.
24643 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24644 (TARGET_SWITCHES): Remove -mspace, -mno-space
24645 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24646 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24647 * pa/ee.asm, pa/ee_fp.asm: Delete.
24649 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24651 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24652 directive in column zero.
24654 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24656 * m68k.c (output_function_prologue): Fix computation of save mask
24657 when generating PIC code.
24659 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24661 * tree.c (build_type_attribute_variant): Move current_obstack restore
24662 after build_qualified_type call.
24664 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24666 * configure.in: Use t-iris6, even with GNU LD.
24667 * config/mips/iris6gld.h: Fix typo in linker spec.
24668 * config/mips/t-iris6gld: Remove.
24670 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24672 * rs6000.md (insv, extzv): Remove SImode dependence in named
24673 patterns. Explicitly generate DImode RTL if PowerPC64 and
24675 (insvdi): Reverse start and size in instruction template.
24677 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24679 * invoke.texi: Typo fixes.
24681 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24683 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24684 handle at this time instead of silently generating incorrect code.
24685 (gen_imagpart): Likewise.
24687 * reload.c (find_reloads): Emit a USE for a pseudo register without
24688 a hard register if we could not create an optional reload for the
24691 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24693 * c-typeck.c (output_init_element, process_init_element):
24694 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24695 check for nameless bit fields.
24697 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24699 * regclass.c (scan_one_insn): Notice subregs that change the
24700 size of their operand.
24701 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24703 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24705 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24706 * configure: Rebuilt.
24707 * alpha/t-ieee: New file.
24709 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24711 * rs6000.c (find_addr_reg): Do not select r0 as an address
24714 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24716 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24718 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24720 * rs6000.md (movsf): Do not force easy FP constants into memory.
24722 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24723 immed_double_const to ensure they are properly truncated then
24726 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24728 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24729 always unless NO_DEBUG is used. Compile this code
24731 (replace_symbols_in_block): Compile it unconditionally.
24733 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24735 * configure.in (i?86-*-elf*): New target.
24736 * configure: Rebuilt.
24737 * i386/i386elf.h, i386/t-i386elf: New files.
24739 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24741 * toplev.c (main): Don't complain about saying -gdwarf.
24742 (rest_of_compilation): Remove redundant code.
24744 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24746 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24748 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24750 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24751 "Li960R:", to avoid name clash.
24753 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24755 * loop.c (check_dbra_loop): When reversing a loop, delete all
24756 REG_EQUAL notes referencing the reversed biv except those which are
24757 for a giv based on it.
24759 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24761 * version.c: Drop "gcc-" prefix from version #.
24763 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24765 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24766 the label if we're being verbose.
24768 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24770 * m68k.c (output_function_prologue): Add pic register to mask
24771 if live and flag_pic.
24772 (output_function_epilogue): Likewise.
24774 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24776 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24777 directives in column zero.
24779 * pa/elf.h (ASM_FILE_START): Define.
24780 * pa/som.h (ASM_FILE_START): Include .level directives.
24781 * pa/hpux10.h (ASM_FILE_START): Delete.
24782 * pa/hpux11.h (ASM_FILE_START): Delete.
24784 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24786 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24788 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24789 when reload_out equals reload_in.
24791 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24793 * invoke.texi (Spec Files): New node: Describe the contents of
24796 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24798 * invoke.texi (DEC Alpha Options): Put @end table at
24799 beginning of line, to avoid confusing texi2html.
24801 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24803 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24804 introduced in previous delta.
24806 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24808 * reload1.c (gen_reload): When synthesizing a 3 operand add
24809 sequence, improve test for when to reload OP1 into the reload
24810 register instead of OP0.
24812 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24814 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24816 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24818 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24821 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24823 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24824 (va_dcl): Use __builtin_va_alist_t.
24826 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24828 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24829 on the permanent_obstack.
24830 * dwarfout.c (output_type): Likewise.
24832 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24834 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24835 Merged from c-typeck.c and cp/typeck.c.
24836 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24837 Merged into c-common.
24839 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24841 * c-lex.c (errorcount): Declare it.
24842 (finish_parse): Update errorcount when using CPPLIB.
24844 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24846 * fixinc/inclhack.def(end_else_label): Double the backslash so
24847 sed gets a chance to see it.
24848 * fixinc/inclhack.sh: regen
24849 * fixinc/fixincl.x: regen
24851 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24853 Add framework to support armv5 architecture when it becomes
24856 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24857 (arm_arch5): New variable.
24858 (all_architectures): Add armv5 line.
24859 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24860 -march=armv5 is specified on the command line.
24861 (arm_arch5): Export this variable.
24862 * invoke.texi: Document new string accepted by -march= switch for
24865 * config/arm/arm.h: Replace use of constant 12 as a register
24866 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24867 * config/arm/arm.c: Replace use of constant 12 as a register
24868 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24870 * config/arm/elf.h: Tidy up.
24871 * config/arm/coff.h: Tidy up.
24873 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24875 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24876 * gcc/config/mips/t-iris6gld: New file.
24877 * gcc/config/mips/iris6gld.h: Likewise.
24879 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24881 * c-decl.c (widest_integer_literal_type_node,
24882 widest_unsigned_literal_type) : New.
24883 (init_decl_processing): Handle/use the two new types.
24884 * c-common.c (type_for_size,type_for_mode) : Same.
24885 * c-lex.c (yylex) : Same.
24886 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24888 * c-tree.h (widest_integer_literal_type_node,
24889 widest_unsigned_literal_type) : New.
24891 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24893 * dwarfout.c (field_byte_offset): Correctly compute the object's
24894 byte offset for the first bit of a field which crosses an alignment
24895 boundary on a !BYTES_BIG_ENDIAN target.
24897 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24899 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24902 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24903 Jeff Law <law@cygnus.com>
24905 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24908 * except.c: Include intl.h.
24909 (expand_eh_return): Set current_function_cannot_inline.
24910 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24911 * function.h (struct function): Add eh_return_stub_label.
24912 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24913 * Makefile.in (except.o): Depend on intl.h.
24915 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24917 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24918 same as offsettable in cases 1 and 2.
24920 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24922 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24923 (extlh, extwh): Likewise.
24925 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24927 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24929 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24931 * configure.in: Add arm-pe and thumb-pe targets.
24932 * configure: Regenerate.
24934 * thumb.c (arm_naked_function_p): New function: Determines if
24935 a function is naked (has no gcc generated prologue/epilogue).
24936 (is_called_in_ARM_mode): Return true if the func has the
24937 interfacearm attribute.
24938 (output_return): Do not generate a return for naked functions.
24939 (thumb_function_prologue): Do not generate a prologue for
24941 (thumb_expand_prologue): Do not generate a prologue for naked
24943 (thumb_expand_epilogue): Do not generate an epilogue for naked
24945 (arm_valid_machine_decl_attribute): New function, copied from
24946 arm.c: Permit naked and interfacearm attributes.
24948 * config/arm/pe.c: New file: Support code for arm-pe target.
24949 * config/arm/pe.h: New file: Header file for arm-pe target.
24950 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24951 * config/arm/t-thumb-pe: New file: Makefile fragment for
24954 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24956 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24957 -fPIC or -fpic is specified.
24959 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24961 * expr.c (emit_block_move): Use copy_to_mode_reg for
24962 !TARGET_MEM_FUNCTIONS case too.
24964 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24966 * configure: Rebuilt.
24967 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24968 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24969 definitions made redundant by dbxelf.h inclusion. Delete
24970 lots of definitions related to assembly output that are
24971 specific to the SOM object format.
24972 * pa.c (output_function_prologue): Do not emit the function's
24974 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24975 * pa-pro.h: Deleted.
24976 * som.h: New file with SOM specific definitions.
24977 * elf.h: New file with ELF specific definitions.
24979 * elfos.h (const_section): Output a tab before assembler directives.
24980 (ctors_section, dtors_section): Likewise.
24981 (ASM_OUTPUT_SECTION_NAME): Likewise.
24983 * pa/pa1.h: Delete unused file.
24985 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24987 * configure.in (hppa*-hp-hpux11*): New configuration.
24988 * configure: Rebuilt.
24989 * pa/pa-hpux11.h: New file.
24990 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24993 * mips.md (leasi, leadi): New patterns.
24995 * expr.c (emit_block_move): Properly handle case where one of the
24996 block move arguments has a queued increment or decrement.
24997 (clear_storage): Similarly. Fix formatting goof.
24999 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25001 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25002 semicolon from the BSD VA_LIST replacement expression.
25004 * fixinc/inclhack.sh: regen
25005 * fixinc/fixincl.x: regen
25007 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25008 now use the fixincl program.
25010 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25012 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25013 case. Also make the PIC register call_used.
25015 * m68k.h (FINALIZE_PIC): Delete.
25016 * m68k.c (finalize_pic): Delete.
25018 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25020 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25023 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25025 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25027 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25029 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25031 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25033 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25035 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25037 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25039 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25041 * rs6000.c (output_toc): Always use hex values for floating-point
25042 constants. Store single-precision values in upper-half of TOC
25043 entry in 64-bit mode.
25044 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25045 to final constraints.
25046 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25047 (fctiwz): Improve accuracy of RTL for pattern.
25049 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25051 * expr.c (expand_expr): Allow RTL_EXPR's through the
25052 MAX_INTEGER_COMPUTATION_MODE checks.
25054 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25056 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25057 such that MASK_SUPPORT_ARCH is not negative.
25059 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25061 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25062 ADDR_DIFF_VEC insns that appear inside loops.
25064 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25065 Jeff Law <law@cygnus.com>
25067 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25068 Handle LO_SUM the same as offsettable in cases 1 and 2.
25069 * rs6000.c (find_addr_reg): Revert previous patch.
25071 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25073 * system.h (strstr): New external function declaration.
25074 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25075 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25076 * config.in, configure: Rebuilt.
25078 1999-06-24 Tom Tromey <tromey@cygnus.com>
25080 * gcc.c (main): Read user-specified specs files after computing
25081 additional startfile_prefixes.
25083 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25085 Revert these two patches:
25087 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25088 * loop.c (strength_reduce): When doing biv->giv conversion, update
25089 reg note of NEXT->insn.
25091 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25092 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25094 (recombine_givs): Set ix field after sorting.
25096 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25098 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25099 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25101 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25103 *fixinc/inclhack.def: Add fix development commentary
25104 (read_ret_type): reactivate and add selection clause
25105 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25106 *fixinc/{fixincl.x|inclhack.sh}: regen
25108 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25110 * expr.c (expand_expr): STRIP_NOPS before checking against
25111 MAX_INTEGER_COMPUTATION_MODE
25112 (check_max_integer_computation_mode): Likewise.
25114 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25116 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25118 1999-06-22 Jim Wilson <wilson@cygnus.com>
25120 * expr.c (store_expr): When target is a promoted subreg, return a
25121 promoted subreg as a result.
25123 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25125 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25127 (dwarf2out_define): Mark unused parameters appropriately.
25128 (gen_unspecified_parameters_die): Ditto.
25129 (gen_subprogram_die): Fix signed/unsigned warnings.
25130 (gen_variable_die): Ditto.
25132 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25134 * fixinc/inclhack.def(end_else_label): combined else_label
25135 and endif_label and fixed the sed expression.
25136 *fixinc/{fixincl.x|inclhack.sh}: regen
25138 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25140 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25141 'x' when handling non-offsettable addresses
25143 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25145 * final.c (shorten_branches): Don't try to split an insn that has
25148 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25150 * config/mips/mips.c (symbolic_expression_p): New function.
25151 (mips_select_rtx_section): Put symbolic expressions in the
25152 data section, not the read-only data section.
25154 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25156 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25158 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25160 * collect2.c (main): Log frame table count.
25161 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25162 (scan_prog_file) [COFF]: Handle frame tables.
25164 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25165 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25166 * alpha/elf.h: Undef them again.
25167 * alpha/vms.h: Remove their definitions.
25169 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25171 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25172 remove the clobber of r0 and change the REG_UNUSED note to
25175 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25177 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25178 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25179 fits in HOST_WIDE_INT and one uses union to access a long constant
25182 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25184 * sparc.c (sparc_override_options): Don't allow profiling for
25185 code models other than medlow.
25186 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25187 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25188 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25189 (sparc_block_profiler): Likewise.
25190 (sparc_function_block_profiler_exit): Likewise.
25191 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25192 (FUNCTION_BLOCK_PROFILER): Likewise.
25193 (BLOCK_PROFILER): Likewise.
25194 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25195 (MCOUNT_FUNCTION): New.
25196 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25197 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25198 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25199 (MCOUNT_FUNCTION): New.
25200 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25201 (BLOCK_PROFILER): Delete.
25202 (MCOUNT_FUNCTION): New.
25204 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25206 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25208 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25210 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25213 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25216 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25219 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25222 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25224 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25227 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25229 * i386/djgpp.h (LIB_SPEC): New.
25230 (STARTFILE_SPEC): New.
25232 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25234 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25236 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25239 * system.h (WSTOPSIG): New macro.
25241 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25243 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25245 (insert_pack_attributes): Take into account member natural
25248 * i386/winnt.c (exports_head): New static variable.
25249 (i386_pe_record_exported_symbol): New function.
25250 (i386_pe_asm_file_end): Use.
25251 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25252 symbols to be emitted at end of assembly.
25253 (ASM_DECLARE_OBJECT_NAME): Likewise.
25254 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25256 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25259 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25261 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25264 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25266 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25267 zapping reg_last_uses directly.
25268 (sched_analyze_2, sched_analyze_insn): Likewise.
25269 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25271 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25273 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25274 attributes for cases 1 and 2.
25276 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25278 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25281 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25283 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25285 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25287 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25288 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25289 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25290 must be stacked if it is used for PIC accesses.
25291 * arm.c (use_return_insn): Handle PIC register specially.
25292 (output_return_instruction): Likewise.
25293 (output_func_{prologue,epilogue}): Likewise.
25294 (output_expand_prologue): Likewise.
25296 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25297 (*strsi_predec): Renamed from *strqi_predec.
25298 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25299 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25301 * arm.c (arm_override_options): Remove warning about PIC code
25302 not being supported.
25304 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25306 * rs6000.c (find_addr_reg): New function.
25307 * rs6000.h (find_addr_reg): Declare.
25308 (offsettable_addr_operand): Delete.
25309 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25310 from and stores to GPRs.
25312 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25314 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25315 gen_sequence as argument to emit_no_conflict_block.
25317 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25319 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25320 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25321 *fixinc/fixincl.x: regen
25322 *fixinc/inclhack.sh: regen
25324 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25326 * added support for -mpcrel (PC relative addressing for m68k)
25327 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25328 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25329 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25330 (comments for general_src_operand): Add some explanation
25331 about EXTRA_CONSTRAINTS.
25332 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25333 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25334 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25335 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25336 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25337 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25338 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25339 if not already set.
25340 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25341 * m68k.h (TARGET_PCREL): New target flag.
25342 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25343 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25344 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25345 contains a SYMBOL_REF. Relax this constraint during reload, since
25346 we want to use the predicates, not reload's built-in concept of a
25347 valid memory address, to control what insns need reloading.
25348 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25349 operands (essentially 'g', 'm', and 's' under normal circumstances).
25350 * m68k.c (print_operand): Cause printing of pc-relative addresses
25351 to include pc register.
25352 (print_operand_address): Ditto.
25353 (general_src_operand): Accept operands that are not only
25354 general_operands, but are also valid when used as a pc-relative
25356 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25357 (memory_src_operand): Similar, for memory_operands.
25358 (pcrel_address): New predicate to accept the special case of a
25359 pc-relative address.
25360 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25361 QImode insns to accept *_src_operand instead of *_operand where
25362 pc-relative operands can fit. For example, a pc-relative operand
25363 can be used as a memory source operand for addsi3, but not as a
25364 memory destination.
25365 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25367 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25369 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25370 .thumb_set pseudo op to mark aliases of thumb functions.
25372 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25374 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25375 preference to ASM_OUTPUT_DEF, if it is defined.
25377 * tm.texi: Document new, optional target macro
25378 ASM_OUTPUT_DEF_FROM_DECLS.
25380 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25382 * fixincludes: ISCNTL patch
25383 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25384 (dgux_int_varargs): new for DG/UX
25385 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25387 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25389 * invoke.texi (ia32 options): Fix typo.
25391 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25393 * loop.c (strength_reduce): When doing biv->giv conversion, update
25394 reg note of NEXT->insn.
25396 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25398 * loop.c (move_movables): Note issues with replacing REGs with
25400 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25402 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25404 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25406 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25407 the reference to `mcount' was not correct for the ELF on FreeBSD.
25409 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25411 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25414 (recombine_givs): Set ix field after sorting.
25416 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25418 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25419 to safe to extract a subword out of a REG.
25421 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25423 * sh.md (mulsi3): Don't add a no-op move at the end.
25425 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25427 * cse.c (cse_insn): Don't put hard register source into tables for
25428 the last insn of a libcall.
25430 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25432 * loop.c (strength_reduce): Insert sets of derived givs at every
25433 biv increment, even if it's the only one.
25435 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25437 * dwarfout.c (add_incomplete_type): New fn.
25438 (output_type): Call it.
25439 (retry_incomplete_types): New fn.
25440 (dwarfout_finish): Call it.
25442 From Eric Raskin <ehr@listworks.com>:
25443 (output_type): Output types for bases.
25445 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25447 * mips.c (mips_output_conditional_branch): Add `break'
25448 between `default' label and `close braces'.
25450 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25452 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25453 specifications and make it realistic.
25454 (LIB_SPEC): Likewise.
25456 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25458 * config/mips/mips.c (mips_secondary_reload_class): Check for
25459 (PLUS (SP) (REG)) and return appropriate register class.
25460 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25461 Handle (PLUS (SP) (REG)).
25462 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25463 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25464 of emit_insn for tablejump.
25466 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25468 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25469 asm_fprintf format string by itself.
25470 (output_function_profiler): Likewise.
25472 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25474 * combine.c (simplify_logical, case AND): Only call
25475 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25476 or the constant is positive.
25478 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25480 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25481 * configure: Regenerate.
25483 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25485 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25486 require a sub-version #.
25487 * configure: Rebuilt.
25489 1999-06-14 Robert Lipe (robertlipe@usa.net)
25491 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25493 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25495 * c-typeck.c (process_init_element): Detect excess elements in
25496 char array initializer.
25498 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25500 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25502 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25504 * invoke.texi (Option Summary): Add -fpermissive flag.
25506 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25508 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25509 that require PIC code sequences.
25511 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25513 * configure.in: Add new target: thumb-elf.
25514 * configure: Regenerate.
25515 * config/arm/t-thumb-elf: New file: Makefile fragment for
25517 * config/arm/telf.h: New file: Header file for thumb-elf
25520 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25522 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25523 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25524 initializers is some circumstances.
25526 * fixinc/inclhack.def (endif_label): Add additional selector for
25527 more bogus stuff after #endif statements.
25528 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25530 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25532 * i386/cygwin.h (SET_ASM_OP): Define.
25534 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25536 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25538 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25540 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25543 * sh.md (ic_invalidate_line_i): Remove second alternative.
25545 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25547 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25548 test for the presence of valid prototypes. Delete bypass expr.
25549 (ioctl_fix_ctrl): Correct the selection expression.
25550 (no_double_slash): Correct quoting rules
25551 *fixinc/fixincl.x: regen
25552 *fixinc/inclhack.sh: regen
25554 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25556 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25558 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25560 * rs6000.md (movsi_got_internal_mem): Delete.
25561 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25562 (GOT_TOC_REGNUM): Delete.
25563 (PIC_OFFSET_TABLE_REGNUM): Define.
25564 (FINALIZE_PIC): Disable.
25565 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25566 (rs6000_replace_regno): Delete.
25567 (rs6000_finalize_pic): Likewise.
25568 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25570 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25572 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25573 is a note; use <= for the compare; advance P while it is
25576 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25578 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25579 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25581 * varasm.c (remove_from_pending_weak_list): Verify t->name
25582 is non-NULL before passing it to strcmp.
25584 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25586 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25587 the typed arguments are not part of a comment
25588 (ioctl_fix_ctrl): Added a purpose comment
25589 *fixinc/fixincl.x: regenerate
25590 *fixinc/inclhack.sh: regenerate
25592 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25594 * invoke.texi: Add C4x invocation docs.
25596 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25598 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25600 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25602 (c4x_legitimize_reload_address): New function.
25603 * config/c4x/c4x.md: Update docs.
25605 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25607 * fixincludes: Avoid removing '.'.
25608 * fixinc/fixinc.svr4: Likewise.
25609 * fixinc/fixinc.winnt: Likewise.
25610 * fixinc/inclhack.tpl: Likewise.
25611 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25613 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25615 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25617 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25619 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25621 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25624 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25626 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25627 * configure: Regenerate.
25629 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25631 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25634 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25636 * fixinc/inclhack.def (avoid_bool): Also catch
25637 "typedef [unsigned] int bool".
25638 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25640 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25641 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25642 * configure: Rebuilt.
25644 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25646 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25647 such that we can override its definitions if necessary.
25648 (CPP_SPEC): New define. Support processor specific predefines via
25650 (CC1_SPEC): New define. Support processor specific compiler
25651 options via %(cc1_cpu).
25652 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25655 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25657 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25658 between sed's -e flag, and the open-quote following it.
25659 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25661 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25662 Jeffrey A Law (law@cygnus.com)
25664 * varasm.c (assemble_start_function): Remove the function
25665 from the pending weak decls list when we define a function.
25666 (assemble_variable): Similarly for variables.
25667 (weak_finish): Ignore items on the list with a NULL name.
25668 (remove_from_ending_weak_list); New function to "remove" an item
25669 from the pending weak declarations list.
25671 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25673 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25675 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25677 * c-lex.c (GETC): Redefine to call getch.
25678 (UNGETC): Redefine to call put_back.
25679 (putback_buffer): New structure type.
25680 (putback): New static structure.
25681 (getch): New function.
25682 (put_back): New function.
25683 (yylex): Replace unused bytes from bad multibyte character.
25685 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25687 * cpplib.c (do_define): Cast `alloca' return value.
25688 (do_include, do_undef, do_pragma): Likewise.
25689 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25691 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25692 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25694 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25696 * sparc.md (abstf2): This should be an expand.
25697 (split after abstf2_notv9): Fix mode.
25698 (abstf2_hq_v9): New pattern.
25699 (abstf2_v9): Only use when no hard quad.
25700 (absdf2_v9): Fix if target is not the same as source.
25701 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25702 Add correct output constraints.
25704 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25706 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25707 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25709 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25711 * mips.h (mips_output_conditional_branch): New function.
25712 (mips_adjust_insn_length): Likewise.
25713 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25714 (ADJUST_INSN_LENGTH): Likewise.
25715 * mips.c (print_operand): Add `F' and `W' for floating-point
25716 comparison opcodes.
25717 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25719 (mips_adjust_insn_length): New function.
25720 (mips_output_conditional_branch): New function.
25721 * mips.md (length): Adjust attribute definition to handle
25722 conditional branches. Change lengths to bytes, rather than
25723 instructions throughout. Remove length attribute from
25724 instructions whose length is four bytes, and rely on the default
25726 (dslot): Fix typo in comment.
25727 Reword conditional branch patterns to use
25728 mips_output_conditional_branch.
25730 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25732 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25733 (LIB_SPEC): Likewise.
25734 Link with -lprof1_r for -g/-pg.
25736 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25738 * loop.c (check_dbra_loop): Fix change of Jan 19.
25740 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25742 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25743 (STARTFILE_SPEC): Define, override the svr4.h version.
25744 (ENDFILE_SPEC): Likewise.
25746 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25748 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25749 * fixinc/fixincl.x: Regenerated.
25750 * fixinc/inclhack.sh: Regenerated.
25752 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25754 * sh.c (barrier_align): Don't return early for normal branch/barrier
25755 when optimizing for SH2.
25757 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25759 * i386/udk.h (LINK_SPEC): Correct linker search path for
25762 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25764 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25765 (braf_label_ref_operand): Delete.
25766 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25767 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25768 label_ref, and has no predicate.
25769 The patten has a predicate to guard against invalid substitutions.
25770 (dummy_jump): Delete.
25771 (casesi): Update use of casesi_jump_2.
25773 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25775 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25776 *fixinc/fixincl.x: regenerate
25777 *fixinc/inclhack.sh: regenerate
25779 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25781 * dwarf2out.c (add_incomplete_type): New fn.
25782 (gen_struct_or_union_type_die): Call it.
25783 (retry_incomplete_types): New fn.
25784 (dwarf2out_finish): Call it.
25786 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25788 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25789 current block starts with a CODE_LABEL and ends with a CALL and
25790 we can not find all the argument setup instructions for the CALL.
25792 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25794 Revert this change:
25795 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25796 something is a candidate for optimize_bit_field_compare.
25798 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25800 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25802 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25804 * alpha.c (override_options): Thinko in last patch.
25806 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25807 (LIB_SPEC): Recognize -pthread.
25809 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25811 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25812 definition in config/arm/coff.h
25813 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25815 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25817 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25818 fixes that need "file=xxx\n" prepended before invocation
25819 (start_fixer - new): starting the fixer process is complex enough
25820 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25821 (process): uses the new routine; omit usage of putenv()
25822 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25823 * fixinc/fixincl.x: regenerate
25825 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25827 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25828 and version #s (1.1 -> 2.96) as needed.
25829 * README.g77: Kill way out of date file in the toplevel directory.
25831 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25833 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25834 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25835 * configure: Rebuilt.
25836 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25837 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25838 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25839 (SWITCH_TAKES_ARG): Likewise.
25840 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25841 * config/t-freebsd: Moved from config/i386/ so it can used for all
25844 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25846 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25848 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25850 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25851 * configure: Rebuilt.
25853 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25855 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25856 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25857 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25858 (rs6000_output_load_toc_table): Same.
25859 (output_prolog, output_mi_thunk): Same.
25860 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25861 (ASM_GLOBALIZE_LABEL): Use putc.
25863 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25865 * alpha.md (reload_*_help): New patterns and splitters.
25866 (reload_*): Use them.
25867 (mov[qh]i): Likewise.
25869 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25871 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25874 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25876 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25878 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25880 * flow.c (mark_regs_live_at_end, insn_dead_p,
25881 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25882 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25883 hasn't run or the frame pointer is needed.
25884 * haifa-sched.c (attach_deaths): Likewise.
25885 * sched.c (attach_deaths): Likewise.
25887 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25889 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25890 calculate_can_reach_end returns nonzero.
25892 * configure.in (native gas tests): Search for an assembler in the
25893 same manner that the installed compiler will.
25894 * configure: Rebuilt.
25895 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25897 * alias.c (find_base_term): Improve handling of addresses
25898 constructed from binary operations.
25900 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25902 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25904 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25906 * function.h (cleanup_label, frame_offset): Declare.
25907 (tail_recursion_label, tail_recursion_reentry): Likewise.
25908 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25909 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25910 (tail_recursion_label, tail_recursion_reentry): Likewise.
25911 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25913 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25915 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25917 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25918 (MAX_OFILE_ALIGNMENT): Define.
25920 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25922 * fixincl.c: Replace local include scheme with #includes of
25923 gansidecl.h and system.h.
25924 * procopen.c: Likewise.
25925 * server.c: Likewise.
25927 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25929 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25930 (crti.o): Add build rule and dependencies.
25931 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25933 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25935 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25936 (LIB_LINUX_SPEC): Likewise.
25937 (LIB_LINUX_SPEC): Add support for -pthread
25938 (CPP_OS_LINUX_SPEC): Likewise.
25939 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25942 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25944 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25946 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25947 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25948 for IEEE math and CC_FCOMI.
25949 (put_jump_code): No IEEE if CC_FCOMI is set.
25951 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25953 * fold-const.c (fold_truthop): Make the field reference unsigned
25954 when converting a single bit compare.
25956 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25958 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25960 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25962 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25963 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25966 * reload.c (push_reload): Do not call remove_address_replacements
25967 when presented with identical optional reloads.
25969 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25971 * alpha.h (MASK_FIX, TARGET_FIX): New.
25972 (MASK_*): Reorganize constants.
25973 (CPP_AM_FIX_SPEC): New.
25974 (TARGET_SWITCHES): Add FIX.
25975 (EXTRA_SPECS): Likewise.
25976 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25977 (SECONDARY_MEMORY_NEEDED): Likewise.
25978 (REGISTER_MOVE_COST): Likewise.
25979 * alpha.c (override_options): Add FIX support. Always use
25980 ALPHA_TP_PROG for ev6.
25981 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25982 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25983 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25985 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25987 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25988 something is a candidate for optimize_bit_field_compare.
25990 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25992 * gcc.texi (Passes): Document branch-shortening.
25993 * invoke.texi (Debugging Options): Document the fact that `-dp'
25994 outputs length information for instructions.
25996 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25998 * flow.c: Revert previous delta.
26000 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26002 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26003 FRAME_POINTER_REGNUM.
26004 (mark_set_1): Ditto.
26005 (mark_used_regs): Ditto.
26007 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26009 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26010 (GOT_PCREL): New macro. Define to 1 if not already defined.
26011 * arm/elf.h (GOT_PCREL): Define to 0.
26012 * arm.c (arm_finalize_pic): Take into account the setting of
26015 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26017 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26018 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26020 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26021 store elimination candidates.
26023 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26025 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26028 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26030 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26031 Add use of x-aix41-gld.
26033 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26035 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26036 (ASM_OUTPUT_DESTRUCTOR): Define.
26038 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26040 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26041 last CODE_LABEL in a loop if we have previously passed a jump
26042 to the top of the loop.
26044 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26046 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26047 applying Philip's patch.
26049 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26051 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26054 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26056 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26058 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26060 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26061 Also remove a useless comment.
26063 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26065 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26067 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26069 * collect2.c (main): Only generate import or export file and add
26070 to link arguments if non-empty. Use xmalloc not alloca.
26071 (write_{export,import}_file): Delete.
26072 (write_aix_file): New function.
26073 (locatelib): Use xmalloc not malloc.
26074 (GCC_OK_SYMBOL): Do not check type if aix64.
26076 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26078 Based on patch by Scott Bambrough and Pat Beirne:
26079 * config/arm/arm.c (making_const_table): New variable.
26080 * config/arm/arm.h (making_const_table): Declare.
26081 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26083 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26084 Keep track of when we are building the constant table.
26086 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26088 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26091 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26093 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26096 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26098 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26101 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26103 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26105 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26107 * rs6000.c (output_mi_thunk): Enable full support again.
26109 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26111 * sh.h (BRANCH_COST): Define.
26113 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26115 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26117 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26119 * function.c (assign_stack_local): Align stack slot propertly.
26120 (assign_outer_stack_local): Likewise.
26122 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26124 * expr.h (lang_expand_constant): Declare.
26125 * toplev.c (lang_expand_constant): Define it.
26126 * varasm.c (output_constant): Use it.
26128 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26130 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26131 Change function definitions to K&R style.
26133 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26135 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26137 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26139 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26140 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26141 (several places): omit static initialization
26142 (process): use single fd, since only the read fd is used
26143 * fixinc/gnu-regex.c: define 'const' away, if not supported
26144 * fixinc/procopen.c(several places): omit static initialization
26145 * fixinc/server.c: define 'volitile' away, if not supported
26147 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26149 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26150 asm_fprintf and %L to generate the label name.
26151 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26152 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26154 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26156 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26157 insn for a conditional jump can not be found.
26159 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26161 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26162 on variables in specific sections other than .sbss and .sdata.
26164 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26166 * stmt.c (expand_return): Call start_cleanup_deferral and
26167 end_cleanup_deferral around conditional code.
26169 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26171 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26172 filename lists. Utilizes new "krstr" AutoGen function.
26173 * fixinc/fixincl.x: Rebuilt.
26175 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26177 * i386.c (output_float_compare): Avoid GNU-C extensions.
26179 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26181 * version.c: Bump to distinguish mainline tree from the
26184 See ChangeLog.1 for earlier changes.