1 2000-04-30 Richard Henderson <rth@cygnus.com>
3 * config/d30v: New port.
5 * configure.in (d30v-*): Set fp format.
8 2000-04-30 Richard Henderson <rth@cygnus.com>
11 * Makefile.in (OBJS): Add it.
12 (ifcvt.o): New target.
13 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
14 and conditional arithmetic.
15 (find_insert_position): Remove.
16 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
17 * toplev.c (DFI_ce, DFI_ce2): New.
18 (dump_file): Add ce and ce2 dumps.
19 (rest_of_compilation): Run if_convert a couple o times. Set
20 cse_not_expected after cse2. Don't set no_new_pseudos until
21 after sched1 or recompute_reg_usage.
23 2000-04-30 Richard Henderson <rth@cygnus.com>
25 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
26 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
28 2000-04-30 Richard Henderson <rth@cygnus.com>
30 * flow.c (struct reg_cond_life_info): New.
31 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
32 (init_propagate_block_info): Initialize them.
33 (free_propagate_block_info): Destruct them.
34 (mark_set_1): Consider conditional life before killing a register.
35 (mark_regno_cond_dead): New.
36 (free_reg_cond_life_info): New.
37 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
38 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
39 (mark_used_reg): Record conditional life.
41 * haifa-sched.c (schedule_insns): Disable death counting
42 sanity check for HAVE_conditional_execution.
44 2000-04-30 Richard Henderson <rth@cygnus.com>
46 * Makefile.in (TIMEVAR_H): New.
47 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
48 (timevar.h): Remove rule.
50 2000-04-29 Richard Henderson <rth@cygnus.com>
52 * config/alpha/crtend.asm: Use C comments instead of #.
53 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
55 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
57 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
59 * cpphash.h (enum node_type: Take out T_MCONST.
60 (union hashval): Move into struct hashnode.
61 (struct hashnode): Pack tighter. Remove file, line, col
63 * cpphash.c: Constify most of the macro-definition structures.
64 (struct definition): Replace by struct object_defn
65 and struct funct_defn. Put file, line, column information
66 here. All users updated to match.
67 (_cpp_create_definition, _cpp_macroexpand): Remove special
68 case for #define WORD OTHERWORD.
69 * cpplib.c (do_undef): Remove T_MCONST case.
71 * cpphash.h: Move struct reflist, struct definition, and the
72 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
73 union hashval. _cpp_free_definition takes a HASHNODE pointer.
74 * cpphash.c (_cpp_free_definition): Free data pointed to by
75 MCONST, XCONST, MACRO, and FMACRO nodes properly.
76 (_cpp_create_definition, del_HASHNODE): Just call
77 _cpp_free_definition to clear out a hashnode.
78 * cpplib.c (do_pragma_poison): Likewise.
80 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
82 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
83 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
84 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
85 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
86 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
87 REGNO_AM33_P): Redefine in terms of the new macros.
88 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
89 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
90 STRUCT_VALUE): Likewise.
91 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
92 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
94 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
96 * regmove.c (struct record_stack_memrefs_data): New.
97 (record_stack_memrefs): New function.
98 (combine_stack_adjustments_for_block): Use it.
100 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
102 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
103 use special_function_p to detect alloca.
105 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
107 * gcc.texi: Fixes for makeinfo 4.0 --html.
109 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
111 * pcp.h: Delete file.
113 2000-04-28 Kazu Hirata <kazu@hxi.com>
115 * h8300.c (function_epilogue): Clean up flags when the last insn
116 in a function is a barrier.
118 2000-04-28 Chris Demetriou <cgd@sibyte.com>
120 * configure.in (sparc-hal-solaris2*): protect [] glob from
122 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
123 rather than hard-coded constants in target_cpu_default2.
124 * configure: Regenerate.
126 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
128 * tree.c (get_callee_fndecl): Extract the initial value from
131 2000-04-28 Richard Henderson <rth@cygnus.com>
133 * varasm.c (record_constant_1): Record the CODE_LABEL when
134 taking the address of a LABEL_REF.
136 2000-04-28 Richard Henderson <rth@cygnus.com>
137 Jan Hubicka <jh@suse.cz>
139 * calls.c (combine_pending_stack_adjustment_and_call): Return the
140 adjustment; don't do the stack adjust.
141 (expand_call): Call compute_argument_block_size right before
142 allocating the block; update comment; don't do alignment sanity
143 checking for sibling call; use args_size instead of
144 unadjusted_args_size before args_size is adjusted. Use
145 combine_pending_stack_adjustment_and_call to compute stack adjust
146 for must_preallocate case.
148 * expr.c (push_block): Remove shadow `temp' in inner scope.
150 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
152 * toplev.c (rest_of_compilation): Call
153 note_deferral_of_defined_inline_function even if the function
156 2000-04-28 Scott Bambrough <scottb@netwinder.org>
158 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
160 2000-04-28 Richard Henderson <rth@cygnus.com>
162 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
164 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
166 * timevar.c (init_timevar): DeANSIfy function definition.
168 2000-04-27 Alex Samuel <samuel@codesourcery.com>
170 * Makefile.in (timevar.o): Depend on flags.h.
171 * timevar.c (unused_stack_instances): New variable.
172 (timevar_push): Take a timevar_stack_def from
173 unused_stack_instances if available.
174 (timevar_pop): Push the popped timevar_stack_def onto
175 unused_stack_instances.
176 (TIMEVAR_ENABLE): New macro.
177 (timevar_def): Make standalone a 1-bit field. Add field used.
178 (get_time): Rename parameter to now. Return after clearing it if
180 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
181 (timevar_pop): Likewise.
182 (timevar_stop): Likewise.
183 (timevar_push): Likewise. Mark the timing variable as used.
184 (timevar_start): Likewise.
185 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
186 timevars that were never used.
188 2000-04-27 Mark Mitchell <mark@codesourcery.com>
190 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
191 always TREE_READONLY.
193 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
195 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
196 for call instruction with mode QImode.
198 2000-04-27 Alex Samuel <samuel@codesourcery.com>
200 * Makefile.in (OBJS): Add timevar.o.
201 (toplev.o): Depend on timevar.h.
202 (ggc-simple.o): Likewise.
203 (ggc-page.o): Likewise.
204 (timevar.o): New rule.
205 (timevar.h): New rule.
207 * timevar.h: New file.
208 * timevar.c: Likewise.
209 * timevar.def: Likewise.
211 * toplev.h (gc_time, parse_time, varconst_time): Remove.
212 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
214 (TIMEVAR): Remove macro.
215 (gc_time, parse_time, varconst_time, integration_time, jump_time,
216 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
217 flow_time, combine_time, regmove_time, sched_time,
218 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
219 sched2_time, dbr_sched_time, reorder_blocks_time,
220 rename_registers_time, shorten_branch_time, stack_reg_time,
221 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
223 (compile_file): Don't initialize time variables. Call
224 init_timevar and start TV_TOTAL timer. Call timevar_print instead
225 of many calls to print_time.
226 (rest_of_compilation): Add timing for reload_cse_regs.
227 (get_run_time): Removed to timevar.c.
228 (print_time): Likewise.
229 (get_run_time): Implement using TV_TOTAL time variable.
230 (print_time): Get total run time from get_run_time.
231 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
232 computing elapsed time explicitly.
233 * ggc-simple.c (ggc_collect): Likewise.
234 (gc_time): Remove declaration.
236 2000-04-27 Mark Mitchell <mark@codesourcery.com>
238 * calls.c (combine_pending_stack_adjustment_and_call): New function.
239 (expand_call): Use it.
241 2000-04-27 Jan Hubicka <jh@suse.cz>
243 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
246 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
248 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
251 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
253 * function.c (epilogue_done): Pass whole insn to record_insns.
255 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
257 * cse.c (CSE_ADDRESS_COST): Remove.
258 (find_best_addr): Add new parameter "MODE", use address_cost instead
261 (fold_rtx): Update call of find_best_addr.
262 * rtl.h (address_cost): Declare.
263 * loop.c (general_induction_var): Add new parameter "MODE", use
264 address_cost instead of ADDRESS_COST
265 (init_loop): Use address_cost instead of ADDRESS_COST.
266 (check_insn_for_givs): Update call of general_induction_var.
267 (find_mem_givs): Likewise.
268 (consec_sets_giv): Likewise.
269 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
270 * i386.c (ix86_address_cost): New.
271 * i386-protos.h (ix86_address_cost): Declare.
273 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
275 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
278 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
280 * expr.c (store_expr): Use clear_storage instead of direct memset
283 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
285 * config/mn10300/mn10300.c (mn10300_address_cost): Test
286 ASHIFT, AND and LABEL_REF.
288 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
290 * invoke.texi (-foptimize-sibling-calls): Fix.
292 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
294 * loop.c (load_mems) Don't use hard registers for the hoisting.
296 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
297 calculation; rename const_equiv array in the preconditioning code
298 from loop_unroll to loop_unroll_precondition
300 2000-04-27 Richard Henderson <rth@cygnus.com>
302 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
304 (propagate_one_insn): Clear it. Don't update reg_live here.
305 (init_propagate_block_info): Update for pbi member changes.
306 (free_propagate_block_info): Likewise.
307 (mark_set_1): Know that zero_extract, sign_extract, and
308 strict_low_part don't kill their argument. Alter hard subregs.
309 Update new_set for non-CLOBBER sets. Update reg_live.
310 (find_auto_inc): Update reg_live, not new_dead.
311 (mark_used_reg): Update reg_live, not new_live. Examine new_set
312 to determine if the reg in question was set this insn. Only update
313 reg info with PROP_REG_INFO.
315 2000-04-26 Richard Henderson <rth@cygnus.com>
317 * flow.c (allocate_reg_life_data): Set max_regno here ...
318 (life_analysis): ... not here.
320 * flow.c (calculate_global_regs_live): Force stack pointer
323 2000-04-26 Richard Henderson <rth@cygnus.com>
325 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
326 commit change group changes.
327 (invert_exp_1): Similarly.
328 (redirect_exp, invert_exp): Use them.
329 (redirect_jump_1): New.
330 (invert_jump_1): New.
331 (jump_optimize_1): Remove code subsumed by condexec.c.
332 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
334 2000-04-26 Richard Henderson <rth@cygnus.com>
336 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
338 * genconfig.c (main): Set all HAVE_foo to 1.
340 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
342 2000-04-26 Alex Samuel <samuel@codesourcery.com>
344 * invoke.texi: Document -fssa flag.
346 2000-04-26 Richard Henderson <rth@cygnus.com>
348 * flow.c (count_reg_sets_1): Remove.
349 (count_reg_sets, count_reg_references): Remove.
350 (recompute_reg_usage): Implement with update_life_info.
351 Reallocate life data.
353 2000-04-26 Richard Henderson <rth@cygnus.com>
355 * flow.c (update_life_info): Consider blocks null to mean the
357 (calculate_global_regs_live): Likewise.
358 (life_analysis): Do that instead of collecting all_blocks.
360 2000-04-26 Richard Henderson <rth@cygnus.com>
362 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
363 a still-valid conditional jump.
365 2000-04-26 Richard Henderson <rth@cygnus.com>
367 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
369 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
370 * flow.c (calculate_loop_depth): Remove.
371 * output.h (calculate_loop_depth): Don't declare.
372 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
373 inline; run estimate_probability at the same time.
375 2000-04-26 Neil Booth <NeilB@earthling.net>
377 * cpplib.h: "~=" is not a single pp-token.
378 * cpplex.c: Correct commentary.
380 2000-04-26 Richard Henderson <rth@cygnus.com>
382 * flow.c (mark_set_1): New arguments code and flags; update all
383 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
384 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
385 loop_depth when optimizing for size. Do new_dead update after
386 emitting REG_UNUSED notes. Merge mark_set_reg code.
387 (mark_set_reg): Remove.
388 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
389 arrange to not emit REG_UNUSED notes.
391 2000-04-26 Richard Henderson <rth@cygnus.com>
393 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
394 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
396 2000-04-26 Richard Henderson <rth@cygnus.com>
398 * flow.c (propagate_one_insn): Break out from propagate_block.
399 (init_propagate_block_info): Likewise.
400 (free_propagate_block_info): Likewise.
401 (propagate_block): Use them. Export.
402 * basic-block.h: Declare them all.
404 2000-04-26 Richard Henderson <rth@cygnus.com>
406 * basic-block.h (life_analysis): Declare here ...
407 * output.h: ... not here.
408 * flow.c (life_analysis): Remove nregs parameter; replace
409 remove_dead_code with flags. Remove ssa dead code check.
410 Only init alias analysis if we'll use it.
411 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
412 * ssa.c (convert_to_ssa): Likewise.
413 (convert_from_ssa): Likewise.
414 * toplev.c (rest_of_compilation): Likewise.
416 2000-04-26 Richard Henderson <rth@cygnus.com>
418 * flow.c (flow_delete_block): Rename from delete_block. Export.
419 * basic-block.h (flow_delete_block): Declare.
421 2000-04-26 David S. Miller <davem@redhat.com>
423 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
424 taking a PATTERN of it.
426 2000-04-26 <NeilB@earthling.net>
428 * cpplex.c (spell_other, spell_char): Remove.
430 (token_spelling, trigraph_map): Use unsigned chars.
431 (_cpp_lex_line): Tidy up the switch statement.
432 * cpplib.h: Implement spell_char with spell_string.
435 2000-04-26 <RodneyBrown@pmsc.com>
437 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
438 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
440 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
442 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
443 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
444 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
445 dwarf2out_return_save, dwarf2out_return_reg,
446 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
447 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
448 gen_compile_unit_die, dwarf2out_init): Constify a char*.
450 * dwarf2out.h (dwarf2out_init): Likewise.
452 * dwarfout.c (filename_entry, primary_filename, last_filename,
453 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
455 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
456 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
457 dwarf2out_return_reg): Likewise.
459 2000-04-26 Andreas Jaeger <aj@suse.de>
461 * extend.texi (Function Attributes): Fix description of pure
464 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
466 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
467 before calling rest_of_compilation.
469 2000-04-26 Andreas Jaeger <aj@suse.de>
471 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
474 2000-04-25 Richard Henderson <rth@cygnus.com>
476 * cse.c (cse_insn): Emit barrier after unconditional jump.
478 * calls.c (expand_call): Disable tail call generation once
479 rtx_equal_function_value_matters is false.
481 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
484 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
486 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
488 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
490 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
491 is the primary DIE for a member function.
492 (gen_decl_die): Call set_decl_origin_self here.
493 * dwarfout.c (output_decl): And here.
494 * integrate.c (output_inline_function): Not here.
495 Don't clear DECL_INLINE until after calling rest_of_compilation.
496 (set_decl_origin_self): No longer static.
497 * tree.h: Add prototype.
498 * toplev.c (note_deferral_of_defined_inline_function): Only write
499 out abstract instance for actual inlines.
501 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
503 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
504 EXTENDED_REGS only if TARGET_AM33.
505 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
506 SP_REGS to register allocation and reloading unless absolutely
508 (movsi3): Remove special-case of adding non-constants to SP.
510 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
512 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
513 INCLUDES to search and does not provide any of its own. Also it
514 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
515 parameters. Also it does not call AC_DEFINE.
516 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
517 AC_DEFINE and provides for automatic entries for autoheader.
518 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
520 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
521 so we can pass -I flags and include gansidecl.h/system.h in this
524 * acconfig.h: Delete all NEED_DECLARATION_* entries.
526 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
528 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
529 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
530 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
532 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
533 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
534 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
535 for these macros. Clean up spacing and linewraps.
537 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
539 * calls.c (expand_call): Use get_callee_fndecl.
541 * print-tree.c (print_node): Print the chain of an _EXPR.
543 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
544 Jim Wilson <wilson@cygnus.com>
545 Andrew Haley <aph@cygnus.com>
547 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
548 and gp save/restore problems.
549 * config/ia64/crtend.asm: Add IA-64 unwind support.
550 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
551 in fr_pad_size calculation.
552 (save_restore_insns): Move PR save area. Correct uses of
554 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
555 (ia64_expand_epilogue): Add eh_epilogue support.
556 (ia64_function_prologue): Emit .prologue directive.
557 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
558 (ia64_override_options): Set init_machine_status and
560 (rtx_needs_barrier): Handle bsp reads and writes.
561 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
562 New static variables.
563 (process_set, process_for_unwind_directive): New functions.
564 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
565 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
566 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
568 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
569 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
570 (struct machine_function): Define.
571 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
573 2000-04-25 Bruce Korb <bkorb@gnu.org>
575 * fixinc/Makefile.in: make the removal of old programs more
577 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
578 install-bin and install-sh
580 2000-04-25 Nick Clifton <nickc@cygnus.com>
582 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
583 defined, define to return zero.
584 (function_cannot_inline_p): If a function has any target
585 specific attributes, then use the macro
586 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
587 whether it can be inlined. If it cannot, issue a suitable
590 * tm.texi: Add a new node 'Inlining' to document the new macro
591 FUNCTION_ATTRIBUTE_INLINABLE_P.
593 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
595 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
598 2000-04-25 Neil Booth <NeilB@earthling.net>
600 Restore previous patch, plus the following fixes:
602 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
603 flags, not CPP_OPEN_PAREN.
604 * cpplex.c (expand_token_space, init_token_list,
605 cpp_free_token_list): Put the dummy token at list->tokens[-1].
606 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
608 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
610 * config/i386/freebsd.h (INT_ASM_OP): Define.
612 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
614 * loop.c (strength_reduce): Fix typo in the last checkin.
616 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
618 * stor-layout.c (finalize_record_size): Simplify to use existing
620 (compute_record_mode): No longer static.
621 * tree.h (compute_record_mode): New declaration.
623 2000-04-25 Neil Booth <NeilB@earthling.net>
625 * Revert my patch below until cause of build failures
628 2000-04-25 Richard Henderson <rth@cygnus.com>
630 * combine.c (combine_instructions): Add missing argument
633 * toplev.c (rest_of_compilation): Delay sibcall optimization
634 until after emit_eh_context.
636 2000-04-24 Nick Clifton <nickc@redhat.com>
638 * combine.c (combine_instructions): Do not try to combine a
639 sequence of insns when the second insn has been replaced by a
642 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
644 * gcc.c (load_specs): New static function.
645 (read_specs): Use it.
647 * gcc.c (lookup_compiler): Make multiple passes for case
648 insensitive filesystems.
650 2000-04-24 Neil Booth <NeilB@earthling.net>
652 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
653 * cpphash.h (_cpp_check_directive): new.
654 * cpplex.c (handle_newline, cpp_free_token_list,
655 init_trigraph_map, trigraph_ok, trigraph_replace,
656 backslash_start, skip_block_comment, skip_line_comment,
657 skip_whitespace, parse_name, parse_number, parse_string,
658 copy_comment, _cpp_lex_line, spell_char, spell_string,
659 spell_comment, spell_name, spell_other, _cpp_lex_file,
660 _cpp_output_list): new.
661 (expand_name_space): take length argument.
662 (init_token_list): add comment list initialisation.
663 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
664 instead of HSPACE_BEFORE.
666 * cpplib.c (_cpp_check_directive): new
667 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
668 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
669 (HSPACE_BEFORE): delete.
670 (TTYPE_TABLE): rearrange.
671 (struct cpp_toklist): update.
673 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
675 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
676 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
677 argument form of AC_DEFINE.
679 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
680 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
681 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
682 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
683 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
685 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
687 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
689 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
690 deduced.h): Use -isystem, not -I, for including system headers.
692 2000-04-24 Nick Clifton <nickc@cygnus.com>
694 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
695 the source register is the frame pointer or arg pointer.
696 (addsi3_small_int): Disallow if source register is the frame
697 pointer or arg pointer.
699 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
701 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
702 call to AC_MSG_RESULT.
704 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
706 * invoke.texi: Correct grammatical errors, document
707 -fno-gnu-keywords as identical to -fno-asm for C++.
709 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
711 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
712 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
713 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
714 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
715 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
717 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
718 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
719 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
720 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
723 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
725 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
726 (pop_alignment): Likewise.
727 (handle_pragma_token): Likewise.
729 2000-04-24 Robert Lipe <robertlipe@usa.net>
731 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
733 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
735 * combine.c (try_combine): Update reg_nonzero_bits of
736 newi2pat before newpat.
738 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
740 * loop.c (strength_reduce): Simplify test to INSN_P.
741 (record_giv): Attempt to simplify the add value, use CONSTANT_P
742 expressions instead of CONST_INT.
743 (express_from_1): Likewise.
745 2000-04-24 Mark Mitchell <mark@codesourcery.com>
747 * regs.h (reg_n_max): Don't declare.
748 * flow.c (reg_n_max): Don't define.
749 * regclass.c (renumber): Don't initialize to zero.
750 (regno_allocated): Likewise.
752 (allocate_reg_info): Don't initialize unnecessarily.
754 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
756 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
757 and blockage_p in the newly allocated attribute.
759 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
761 * config/mn10300/mn10300.md (addsi): `inc4' on address
762 registers does not modify cc, but `inc' on an extended
765 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
767 * reload.c (find_equiv_reg): Checks all valueno regs
768 as a reload_reg_p regs.
770 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
772 * cpphash.c (collect_objlike_expansion): Add sanity check.
773 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
774 the buffer is the empty string, return. Mark __DATE__ and
775 __TIME__ as XCONST nodes, not MCONST.
776 (_cpp_macroexpand): Avoid pushing an empty buffer.
777 (funlike_macroexpand): Don't pop token_buffer here.
779 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
781 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
782 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
783 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
784 (REGNO_OK_FOR_BASE_P): Define in terms of them.
785 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
786 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
787 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
789 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
791 * loop.c (simplify_giv_expr): Be more agressive on simplifying
794 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
796 * cpphash.h (struct definition): Move file, line, col members...
797 (struct hashnode): ... here. Also add 'disabled' flag.
798 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
799 T_IDENTITY. Remove T_DISABLED.
802 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
803 (collect_expansion): Split into collect_objlike_expansion and
804 collect_funlike_expansion.
805 (_cpp_macroexpand): Split out scan_arguments, stringify, and
807 (_cpp_compare_defs): Rename compare_defs, make static.
808 (_cpp_make_hashnode): Initialize hp->disabled.
809 (macro_cleanup): Adjust for new token types. Clear
811 (_cpp_create_definition): Move code here to determine what
812 sort of macro it is, and code to check for redefinitions, from
813 do_define. Implement a few simple cases without creating a
815 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
816 Handle the simple cases.
817 (push_macro_expansion): Set buf->has_escapes and hp->disabled
820 * cppinit.c (builtin_array): Change MCONST to XCONST
822 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
823 fix check for disabled and function-like macros.
824 * cpplib.c (do_define): Move most logic to
825 _cpp_create_definition.
826 (do_undef): Handle new special token types.
828 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
830 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
831 of CONSTANT_P for mult_val; always use validate_change to update insn.
833 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
835 * cpphash.c (trad_stringify, add_pat): New functions.
836 (collect_expansion): Restore support for -traditional syntax.
837 Use trad_stringify and add_pat.
838 (_cpp_macroexpand): Restore support for -traditional semantics.
839 * cpplex.c (_cpp_scan_line): Don't change space_before if we
841 (_cpp_lex_token): Provide COMMENT tokens to caller if
842 traditional and parsing_define_directive.
843 (skip_comment): Warn about // comments if -Wtraditional.
844 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
846 (do_undef): Don't warn about undefining EMPTY nodes.
848 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
850 * loop.c (strength_reduce): Fix biv removal code.
852 2000-04-22 Richard Henderson <rth@cygnus.com>
854 * predict.c (estimate_probability): Examine both sides of
855 a branch for no exits. Use 90% not 50% for predict taken.
856 Reorg for one copy of note generation code.
858 2000-04-22 Richard Henderson <rth@cygnus.com>
860 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
862 2000-04-22 Richard Henderson <rth@cygnus.com>
864 * diagnostic.c (init_output_buffer): Don't initialize format_args.
865 (output_clear): Likewise.
866 (output_printf): Use va_copy.
867 (vline_wrapper_message_with_location): Likewise.
868 (v_message_with_decl): Likewise.
869 (line_wrapper_printf): VA_START infor buffer.format_args directly.
870 * system.h (va_copy): Provide default implementation.
872 2000-04-22 Richard Henderson <rth@cygnus.com>
874 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
875 the collected condition is not a constant.
877 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
879 * diagnostic.h: New file.
881 * Makefile.in (diagnostic.o): Depends on diagnostic.h
883 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
884 various function prototypes.
885 (diagnostic.h): #include.
886 (struct output_buffer): Move into diagnostic.h.
887 (get_output_prefix): Rename to output_get_prefix. Export.
888 (init_output_buffer): Export. Break out. Ajust intialization.
889 (output_space_left, output_append): Export.
890 (output_newline): Rename to output_add_newline. Export.
891 (output_clear): Nullify additional output_buffer fields.
892 (output_puts): Rename to output_add_string. Export.
893 (dump_output): Rename to output_flush_on. Export.
894 (build_location_prefix): Constify return-type.
895 (emit_output_prefix): Rename to output_emit_prefix. Export.
896 (set_real_maximum_length): New function.
897 (output_set_maximum_length): Ditto
898 (output_clear): Ditto.
899 (output_add_character): Ditto.
900 (output_add_integer): Ditto.
901 (output_add_space): Ditto.
902 (output_format): Ditto.
903 (output_printf): Adjust buffer initialization.
904 (vline_wrapper_message_with_location): Ditto.
905 (v_message_with_decl): Ditto. Adjust call to output_puts
906 and get_output_prefix.
907 (default_print_error_function): Adjust buffer intialization.
909 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
911 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
914 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
916 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
919 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
921 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
922 accurate data about SP moves.
924 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
926 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
927 aliases to AM33 registers.
929 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
931 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
932 to all EXTENDED bitmaps.
934 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
936 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
937 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
938 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
940 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
942 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
943 the operand is not constant.
945 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
947 * reload.c (find_equiv_reg): Checks all valueno and regno regs
948 as a call-clobbered regs.
950 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
952 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
954 * rtl.def: Update comment.
955 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
956 * integrate.c (expand_inline_function): Likewise.
957 * profile.c (branch_prob): Likewise.
958 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
959 * print-rtl.c (print_rtx): Likewise.
960 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
961 (reemit_notes): Likewise; also use enum insn_note.
963 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
964 (place_field): Properly compute know and actual alignment.
966 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
969 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
972 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
974 * cpphash.c (struct arg, struct arglist): Const-ify strings.
975 (warn_trad_stringify, duplicate_arg_p): New helper functions.
976 (collect_expansion): Rewrite to scan over a token list.
977 Remove -traditional support.
978 (collect_formal_parameters): Rename to collect_params; rewrite
979 to scan over a token list.
980 (_cpp_create_definition): Adjust to scan a token list.
981 (_cpp_macroexpand): Remove -traditional support.
982 (_cpp_compare_defs): Whitespace is now canonicalized.
983 (comp_def_part): Delete function.
985 * cpphash.h: Update prototypes.
986 * cpplex.c (init_token_list): Don't set lineno if there is no
988 (pedantic_whitespace): New function.
989 (_cpp_scan_line): Mark tokens that had hspace before. Don't
990 consume a newline. Use pedantic_whitespace.
991 (_cpp_lex_token): Remove support for -traditional macros.
992 (_cpp_get_define_token): Delete.
993 (_cpp_get_directive_token): Do the real work here. Use
995 (_cpp_init_input_buffer): Initialize pfile->directbuf.
997 * cpplib.c (get_macro_name): Delete.
998 (do_define): Read the entire line into pfile->directbuf, then
999 feed the token list to _cpp_create_definition.
1000 * cpplib.h (HSPACE_BEFORE): new define.
1001 (struct cpp_reader): Add a toklist member, "directbuf".
1003 * predict.c (estimate_probability): New heuristic: if a jump
1004 branches around a block with no successors, predict it taken.
1005 Disentangle control flow.
1007 2000-04-20 Richard Henderson <rth@cygnus.com>
1009 * loop.c (emit_iv_add_mult): Revert last change.
1011 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1013 * cpplib.h (enum cpp_ttype): Add token types for all
1014 punctuators. Distinguish pp-numbers from valid C numbers.
1015 Give some tokens better names. Initialize from macro.
1016 (struct cpp_name, cpp_token, cpp_toklist): New data
1019 * cpplex.c (bump_column, expand_name_space,
1020 expand_token_space, init_token_list, cpp_output_list,
1021 _cpp_scan_line): New functions.
1022 (output_line_command): Add third argument, new line number.
1023 * cpphash.h: Update prototypes.
1024 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1027 2000-04-20 Richard Henderson <rth@cygnus.com>
1029 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1031 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1033 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1036 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1038 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1039 REG_EQUAL note explaining the calculated value.
1041 * calls.c (expand_call): Avoid unnecesary precalculation
1042 and outgoing parameters space guarding for sibling calls.
1043 (store_one_arg): Likewise.
1045 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1047 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1048 (rest_of_compilation): Write sibling dump file and account
1049 for time as jump time.
1050 * invoke.texi: Update documentation on dump flags.
1052 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1054 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1056 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1058 * cpphash.c (special_symbol): Represent an empty macro with
1059 "\r \r " not just "\r ".
1060 (_cpp_macroexpand): Correct condition for the foo ( ) special
1062 (unsafe_chars): Handle EOF as second argument.
1063 (push_macro_expansion): Simplify test for removing escape at
1064 end. Do not trim both escapes if there is no text in between.
1066 2000-04-19 Jim Blandy <jimb@redhat.com>
1068 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1069 of PTR_SIZE, when appropriate.
1071 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1073 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1074 (USE_ENUM_BITFIELDS): Fix typo.
1076 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1078 * stor-layout.c (place_field): Set rli->offset_align properly.
1080 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1082 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1083 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1084 PARM_BOUNDARY): Remove unnecessary casts.
1086 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1088 * calls.c (precompute_arguments): Remove must_preallocate and
1090 (expand_call): Update call of precompute_arguments.
1092 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1093 check_insn_for_givs): Break out from ...
1094 (strength_reduce) ... here; use for_every_insn_in_loop to call
1095 check_insn_for_givs.
1096 * loop.h (for_every_insn_in_loop): Declare.
1097 (loop_insn_callback): New type.
1099 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1101 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1104 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1106 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1109 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1111 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1113 * configure.in: Delete --disable-cpplib option and all
1114 references to cpp_main.
1115 * configure: Regenerate.
1116 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1117 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1118 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1119 cpp$(exeext). Add --no-headers to makeinfo command line when
1120 generating INSTALL. Install and uninstall cpp.1 manpage, not
1122 * install.texi: Delete all references to cexp.y/cexp.c.
1123 Delete ancient instructions for compiling GCC on 3b1.
1124 * INSTALL: Regenerate.
1126 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1127 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1128 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1130 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1131 which is no longer tested anywhere.
1133 * cppinit.c (handle_option): Don't run error message through
1136 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1138 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1139 * cpperror.c (hashtab.h): Now include.
1140 * cppexp.c (hashtab.h): Likewise.
1141 * cpplex.c (hashtab.h): Likewise.
1142 * cppfiles.c (hashtab.h): Likewise.
1143 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1144 to htab_find_slot_with_hash.
1145 * cpphash.c (hashtab.h): Now include.
1146 (_cpp_lookup_slot): INSERT is now enum insert_option.
1147 * cpphash.h (_cpp_lookup_slot): Likewise.
1148 * cppinit.c (hashtab.h): Include earlier.
1149 (initialize_builtins): Pass enum to htab_find_slot.
1150 * cpplib.c (hashtab.h): Now include.
1151 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1152 (do_pragma_poison, do_assert): Likewise.
1153 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1154 htab_find_slot_with_hash.
1155 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1156 * tree.c (type_hash_add): Likewise.
1157 (build1): Minor cleanup.
1159 * ggc-common.c: Add missing blanks.
1160 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1161 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1163 * stmt.c (mark_case_node): New function.
1164 (mark_case_nesting): Call it.
1166 * expmed.c (emit_store_flag): If comparing two-word integer
1167 with zero, can optimize NE, EQ, GE, and LT.
1169 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1170 * conflict.c: Minor cleanups.
1171 * optabs.c: Add blank line
1172 * simplify-rtx.c: Minor cleanups.
1174 2000-04-18 Stan Cox <scox@cygnus.com>
1176 * gengenrtl.c (genlegend): Fix misspelling.
1178 2000-04-18 Robert Lipe <robertlipe@usa.net>
1180 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1181 bitfields of the host compiler are not signed quantities.
1182 * config.in: Regenerate.
1183 * configure: Regenerate.
1184 * system.h (USE_ENUM_BITFIELDS): Added.
1185 (ENUM_BITFIELDS): Added.
1186 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1187 (SHORT_ENUM_BUG): Deleted.
1188 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1190 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1191 (CODE_FIELD_BUG): Likewise.
1192 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1194 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1196 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1198 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1201 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1203 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1204 * cpplib.c (do_include, do_import, do_include_next,
1205 read_line_number, detect_if_not_defined): Likewise.
1206 * cpphash.c (collect_expansion): Likewise.
1207 (special_symbol, _cpp_macroexpand): Check return from
1209 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1210 macros. Delete all uses.
1212 * gcc.dg/cpp-mi.c: Add two more test cases.
1213 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1215 2000-04-17 Richard Henderson <rth@cygnus.com>
1217 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1218 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1220 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1222 * function.c (expand_function_start): Use hard_function_value to
1223 compute the RTL to use for DECL_RESULT.
1225 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1227 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1228 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1229 x86_memory_mismatch_stall): New global variables.
1230 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1231 alloved; fix load penalties for Athlon.
1232 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1233 x86_memory_mismatch_stall): Declare.
1234 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1235 TARGET_MEMORY_MISMATCH_STALL): New.
1236 * i386.md (athlon scheduling parameters): Fix latencies according to
1237 Athlon Optimization Manual.
1238 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1240 (fsqrt instruction patterns): Set athlon_decode to direct.
1241 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1242 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1243 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1244 and TARGET_PARTIAL_REGISTER_STALL machines.
1245 (pushdf_nointeger): New pattern.
1246 (pushdf_integer): Rename from pushdf.
1247 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1248 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1250 2000-04-17 Richard Henderson <rth@cygnus.com>
1252 * loop.c (canonicalize_condition): Add WANT_REG argument.
1253 Stop the search if we match it.
1254 * expr.h (canonicalize_condition): Update decl.
1255 * predict.c (expected_value_to_br_prob): Use it. Track last
1256 expected value note.
1257 (find_expected_value): Remove.
1259 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1261 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1263 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1264 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1266 * configure.in: Call AC_FUNC_MMAP_FILE.
1267 * configure: Regenerate.
1268 * config.in: Regenerate.
1270 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1271 * fixinc/fixincl.c: Likewise.
1273 2000-04-17 Richard Henderson <rth@cygnus.com>
1275 * builtins.c (expand_builtin_expect): New.
1276 (expand_builtin): Call it.
1277 * builtins.def (BUILT_IN_EXPECT): New.
1278 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1279 * extend.texi: Document it.
1281 * predict.c (expected_value_to_br_prob): New.
1282 (find_expected_value): New.
1283 * basic-block.h (expected_value_to_br_prob): Declare.
1284 * toplev.c (rest_of_compilation): Invoke it.
1286 * rtl.h (NOTE_EXPECTED_VALUE): New.
1287 (NOTE_INSN_EXPECTED_VALUE): New.
1288 * rtl.c (note_insn_name): Update.
1289 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1290 cases; handle NOTE_INSN_EXPECTED_VALUE.
1292 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1294 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1295 leaf sibcall delay slot if flag_pic.
1296 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1298 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1300 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1302 * fixproto: If fix-header fails, exit with an error.
1304 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1306 * cse.c (struct check_depdendence_data): New.
1307 (check_dependence): New function.
1308 (invalidate): Use check_depdenence.
1310 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1312 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1313 UNITS_PER_WORD is unsigned.
1315 * tree.h (struct tree_common): Remove misleading comment.
1317 2000-04-16 Dave Pitts <dpitts@cozx.com>
1319 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1320 message in quotes. Otherwise, IBM's make program treats the '#' as the
1321 start of a comment and ignores the remainder of the line.
1323 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1325 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1326 * cexp.y (initialize_random_junk): Likewise.
1327 * cppfiles.c (find_include_file): Cast alloca return value.
1328 * cppinit.c (initialize_standard_includes): Likewise.
1329 * cpplib.c (cpp_define, cpp_undef): Likewise.
1330 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1331 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1332 * fold-const.c (CHARMASK): New.
1333 (real_hex_to_f): Use it.
1334 * real.c (CHARMASK): New.
1335 (etoasc, asctoeg): Use it.
1336 (asctoeg): EBCDIC lower case characters preceed upper case.
1338 * i370.c (mvs_add_label): Change spacing for coding conventions.
1339 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1340 outputing case vectors.
1341 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1342 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1343 since vector in in the data CSECT.
1344 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1345 * i370.md (Many patterns): Put the length in the XL directives.
1346 (movdi): Put back STM and MVC in definition.
1347 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1348 pattern using the TCA.
1349 * oe.h (CPP_SPEC): Added to allow trigraphs.
1350 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1351 not support the "long long" type.
1353 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1355 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1357 (mips_reg_mode_ok_for_base_p): Likewise.
1358 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1359 (REG_OK_FOR_INDEX_P): Define unconditionally.
1360 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1361 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1362 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1363 that GET_MODE_SIZE is unsigned.
1364 (mips_reg_mode_ok_for_base_p): Define.
1365 (mips_legitimate_address_p): Likewise. Adjust now
1366 that GET_MODE_SIZE is unsigned.
1367 (block_move_loop): Make the number of bytes unsigned.
1368 (expand_block_move): Likewise.
1369 (function_arg): Make the loop counter unsigned to match the
1372 2000-04-16 Richard Henderson <rth@cygnus.com>
1374 * rtl.h (enum insn_note): New enumeration. Subsume
1375 NOTE_INSN_DELETED and friends.
1376 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1377 * rtl.c (note_insn_name): Tweak string order.
1379 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1381 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1384 * cpplex.c (output_line_command): Remove debugging prints.
1385 (cpp_output_tokens): Don't write out a zero-length buffer or
1386 try to see if it has a newline in it.
1387 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1388 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1389 the end of the loop. Use memmove. Don't read past the end of
1390 the buffer. Remove trailing newlines from error messages.
1392 2004-04-16 Neil Booth <NeilB@earthling.net>
1394 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1395 * cpplib.c: Add new syntax flags to directive table, and
1398 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1400 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1403 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1405 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1406 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1408 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1410 * Makefile.in (ggc-page.o): Now includes toplev.h.
1411 * ggc-page.c (toplev.h): Now included.
1412 (gc_time): Remove declaration.
1413 (ggc_collect): TIME now long.
1414 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1416 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1418 * toplev.c: Make *_time variable long to reduce chance of overflow.
1419 (TIMEVAR): Likewise for `otime'.
1420 (print_time): Arg is now long; compute percentage in FP and round.
1421 * toplev.h (print_time): Arg is long.
1423 * tree.c: Minor whitespace changes.
1425 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1426 * configure: Rebuilt.
1427 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1428 (__fixunsxfDI): Renamed from __fixunsxfdi.
1429 (__fixunsdfDI): Renamed from __fixunsdfdi.
1430 (__fixunssfDI): Renamed from __fixunssfdi.
1431 (__floatdisf): Use proper type in REP_BIT macro.
1432 (__fixunsxfSI): Renamed from __fixunsxfsi.
1433 (__fixunsdfSI): Renamed from __fixunsdfsi.
1434 (__fixunssfSI): Renamed from __fixunssfsi.
1435 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1436 Change location of macros and upper-case some names as above.
1437 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1438 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1440 * varasm.c (assemble_variable): Add cast to remove warning.
1441 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1443 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1444 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1445 region number to -1.
1447 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1449 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1450 call unshare_all_rtl.
1452 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1454 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1456 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1457 Use .s1 not .s0 for all FP instructions.
1459 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1461 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1463 (safe_fwrite, output_line_command): New static functions.
1464 (cpp_expand_to_buffer): Now private to cpplib.
1465 (cpp_scan_buffer): Take a printer.
1467 * cpphash.h: Update prototypes.
1468 * cpplib.h: Update prototypes.
1470 (cpp_buffer): Remove last_nominal_fname.
1471 (cpp_reader): Remove lineno.
1473 * cppmain.c: Use a cpp_printer.
1474 * fix-header.c: No need to inhibit line commands. Call
1475 cpp_start_read with no printer.
1477 * cpperror.c (cpp_notice_from_errno): Provide default name.
1478 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1479 (find_include_file, cpp_read_file): Use make_IHASH.
1480 (file_cleanup): Set control_macro and clear
1481 input_stack_listing_current here.
1482 (_cpp_execute_include): Don't output entering-file marker.
1483 * cpphash.c (special_symbol): Look for the line number in the
1484 buffer, not the reader.
1485 (_cpp_macroexpand): No need to disable line commands.
1486 (_cpp_dump_definition): No need to generate line commands.
1487 (dump_hash_helper): Remove excess newline from output.
1488 * cppinit.c (dump_special_to_buffer): No need to generate line
1490 (cpp_printer_init): New.
1491 (cpp_start_read): Take a printer, and start it up if it's not
1492 NULL. No need to generate line commands.
1493 (cpp_finish): Expect no buffers stacked at all. Take a
1494 printer argument, and flush the output buffer if it's not
1496 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1497 Don't put two hashes at the beginning of an assertion.
1498 (cpp_get_token): Don't increment pfile->lineno or emit line
1499 commands here. Return EOF if there's no buffer when we get
1501 * cpplib.c (do_define, skip_if_group):
1502 No need to disable line commands.
1503 (_cpp_output_line_command): Delete function.
1504 (do_line): Don't emit line commands here, but set things up so
1505 they will be emitted if necessary. Use _cpp_fake_ihash to
1506 make unique nominal_fnames if necessary.
1507 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1508 with 0 for column, not -1.
1509 (_cpp_handle_eof): Don't set the control macro here. Don't
1510 clear input_stack_listing_current here. Don't emit line
1513 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1515 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1516 always, use the default SVR4 start address.
1518 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1519 (LINK_SHLIB_SPEC): Define.
1520 (LINK_START_DEFAULT_SPEC): Define.
1521 (LINK_OS_DEFAULT_SPEC): Define.
1523 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1525 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1526 __do_global_ctors to handle constructors.
1527 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1528 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1529 (STARTFILE_MVME_SPEC): Likewise.
1530 (STARTFILE_SIM_SPEC): Likewise.
1531 (ENDFILE_ADS_SPEC): Use crtend.
1532 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1533 (ENDFILE_MVME_SPEC): Likewise.
1534 (ENDFILE_SIM_SPEC): Likewise.
1535 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1536 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1537 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1538 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1539 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1540 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1541 (CRTSTUFF_T_CFLAGS_S): Define.
1542 * config/rs6000/eabi-ctors.c: Delete.
1544 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1547 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1551 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1553 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1554 plus mask size is smaller or equal to the mode size.
1556 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1558 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1561 * expr.c (reload.h): Now included.
1562 (emit_block_move): Set volatile_ok when checking for movstr.
1563 (emit_move_1): Check for replacements in addresses in multi-word case.
1564 * Makefile.in (expr.o): Now includes reload.h.
1566 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1567 Never have a LIBCALL end a basic block.
1568 (find_basic_blocks_1): Likewise.
1569 Reorganize CALL_INSN cases.
1571 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1573 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1575 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1576 completers from mov.ret instruction.
1578 2000-04-14 Richard Henderson <rth@cygnus.com>
1580 * fold-const.c (extract_muldiv): Don't distribute and widen
1581 multiply across plus for non-sizetype unsigned types.
1583 2000-04-14 Richard Henderson <rth@cygnus.com>
1585 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1586 If the original source is dead in the incr insn, it's dead now.
1588 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1590 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1591 see if DECL_BIT_FIELD needs to still be set.
1593 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1595 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1596 print_int_cst_octal with something that's not an INTEGER_CST.
1598 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1599 and not a SUBREG to a FLOAT rtl.
1601 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1603 * emit-rtl.c (try_split): Avoid infinite loop if the split
1604 results in a sequence that contains the original insn.
1606 2000-04-13 Andreas Jaeger <aj@suse.de>
1608 * config/mips/mips.c (expand_block_move): Pass alignment
1609 argument to move_by_pieces in bits, not bytes.
1611 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1612 __pic__ for little endian.
1614 2000-04-13 Andreas Jaeger <aj@suse.de>
1616 * config/i386/i386-protos.h: Add prototype for
1617 uno_comparison_operator.
1619 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1621 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1622 * calls.c (ECF_PURE): New flag.
1623 (emit_call_1): Handle ECF_PURE calls.
1624 (initialize_argument_information): Unset ECF_PURE flag too.
1625 (precompute_arguments): Precompute for ECF_PURE too.
1626 (expand_call): Handle ECF_PURE calls too.
1627 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1628 accept value of 2 as pure function.
1629 (emit_library_call_value, emit_library_call): Rename no_queue argument
1631 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1633 * tree.h (DECL_IS_PURE): New macro.
1634 (struct tree_decl): Add pure_flag.
1635 * c-common.c (enum attrs): Add attribute "pure".
1636 (init_attributes): Initialize attribute "pure"
1637 (decl_attributes): Handle attribute "pure".
1638 * extend.texi (Attribute "pure"): Document.
1639 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1641 (flags_from_decl_or_type): Support attribute "pure".
1643 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1645 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1646 the token except for numbers and identifiers.
1648 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1650 * i386.c (ix86_expand_binary_operator,
1651 ix86_expand_unary_operator): Check no_new_pseudos
1652 instead of reload_in_progress and reload_completed.
1653 (ix86_split_ashldi, ix86_split_ashrdi,
1654 ix86_split_lshrdi): Check no_new_pseudos instead
1655 of reload_completed.
1657 2000-04-12 Jeffrey A Law (law@cygnus.com)
1659 * function.c (purge_addressof): Unshare any shared rtl created by
1660 purge_addressof and its children.
1662 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1664 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1667 2000-04-05 Andreas Jaeger <aj@suse.de>
1669 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1670 not compiling PIC code, add flags for mabi=64.
1671 (SUBTARGET_CPP_SIZE_SPEC): New.
1672 (SUBTARGET_CPP_SPEC): New.
1673 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1674 for MIPS/Linux and lots of code needs these defines.
1676 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1678 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1679 trying the "opposite arithmetic" approach.
1681 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1683 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1684 (struct sh_args): Add new field force_mem.
1685 (INIT_CUMULATIVE_ARGS): Initialize it.
1686 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1688 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1690 * calls.c (expand_call): Do not reverse args in "equal from" field.
1691 (emit_library_call_value_1): Emit_libcall_block for const and pure
1694 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1696 * reload1.c (reload_combine): Don't enable optimization for fixed
1697 registers when encountering a BARRIER.
1699 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1701 * builtins.c (expand_builtin_memcmp): Do expansion even with
1702 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1704 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1705 stack is propertly aligned; add sanity checking for aligned
1707 (expand_library_call_value_1): Add sanity checking for aligned
1710 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1712 * calls.c (emit_library_call_value_1): Change 3rd arg to
1713 locate_and_pad_parm to disregard the setting of partial.
1715 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1717 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1719 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1720 CALL_INSN from the normal case.
1722 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1724 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1725 New global variables.
1726 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1728 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1730 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1731 TARGET_ADD_ESP_8): New macros.
1732 * i386.md: Add peep2s to convert esp adjustments to push and pop
1734 (pushsi_prologue, popsi_epilogue): New patterns.
1736 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1738 * real.c (toe64): Remove stale #endif from the last change.
1740 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1742 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1743 * real.c (toe64): Revert previous change.
1745 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1747 * objc/objc-act.c: Include ggc.h.
1748 (objc_tree_index, objc_global_trees): Convert most of the
1749 static tree variables into a static array with previous names
1751 (objc_ellipsis_node): New variable.
1752 (lang_init): Call objc_act_parse_init and c_parse_init.
1753 Create objc_ellipsis_node.
1754 (build_selector_translation_table): Use objc_ellipsis_node instead
1756 (hack_method_prototype): Likewise.
1757 (get_arg_type_list): Likewise.
1758 (start_method_def): Likewise.
1759 (continue_method_def): Likewise.
1760 (gen_method_decl): Likewise.
1761 (ggc_mark_imp_list): New function.
1762 (ggc_mark_hash_table): New function.
1763 (objc_act_parse_init): New function.
1764 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1765 * c-parse.in (c_parse_init): For objc add roots of objc specific
1766 local tree variables.
1767 * objc/objc-parse.y: Rebuilt.
1768 * objc/objc-parse.c: Rebuilt.
1769 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1771 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1773 * cse.c (delete_trivially_dead_insns): Also delete insns
1774 that copy a register to itself where the destination is
1777 2000-04-11 Richard Henderson <rth@cygnus.com>
1779 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1780 (propagate_block): Initialize them. Use them in parallel instead
1781 of one tmp variable, ie revert much of the 0408 and 0407 functional
1782 changes, but keep the structural changes.
1783 (mark_set_regs): Take new_dead from propagate_block_info instead.
1784 (mark_set_1, mark_set_reg): Likewise.
1785 (mark_used_regs): Likewise with new_live.
1786 (mark_used_reg): Likewise. Revert 0408 change.
1788 2000-04-11 Nick Clifton <nickc@cygnus.com>
1790 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1792 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1794 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1796 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1797 const section to output a CONSTRUCTOR based on the same conditions
1800 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1802 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1803 * pa/pa-protos.h (output_call): Add additional argument indicating
1804 if the call is a sibling/tail call.
1805 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1806 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1807 (function_arg, function_arg_partial_nregs): Likewise
1808 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1809 (emit_move_sequence): Zero extend certain constants as needed
1811 (compute_zdepdi_operands, output_64bit_and): New functions.
1812 (output_64bit_ior, function_arg): Likewise.
1813 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1814 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1815 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1816 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1817 (output_bvb): Likewise.
1818 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1819 (output_call): New argument 'sibcall'. Generate sibcall sequences
1821 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1822 (ouput_arg_descriptor): Do not emit argument descriptors for
1824 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1826 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1827 (FUNCTION_OK_FOR_SIBALL): Define.
1828 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1829 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1830 (CPP_SPEC): Use new spec infrastructure.
1831 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1832 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1833 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1834 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1835 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1836 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1837 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1838 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1839 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1840 (FUNCTION_ARG); Call out to C code.
1841 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1842 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1843 (MIN_UNITS_PER_WORD): Likewise.
1844 * pa/pa.md (cmpdi): New expander.
1845 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1846 (64bit conditional arithmetic): New patterns.
1847 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1848 (movsicc): Not available if modes on all the operands to not match.
1849 (movdicc): New expander and associated patterns.
1850 (64bit branches): New patterns.
1851 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1852 (pre_ldd, post_std): New patterns.
1853 (64bit addil, load low part): New patterns.
1854 (special movsf constant): Not available for TARGET_64BIT.
1855 (movsf, movdf expanders): Force constants into memory.
1856 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1857 (64bit movdf/movdi patterns): New patterns.
1858 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1860 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1861 (adddi3 expander): Allow "arith_operand" for second input.
1862 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1863 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1864 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1865 (muldi3): New expander for TARGET_64BIT.
1866 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1868 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1869 patterns for TARGET_64BIT.
1870 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1871 patterns for TARGET_64BIT.
1872 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1873 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1874 (sibcall_epilogue): New expander.
1875 (casesi): Tweak for TARGET_64BIT.
1876 (call expanders): Set & use the outgoing argument pointer. Use the
1877 64bit call patterns as needed. Add additional arg to output_call.
1878 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1879 (sibcall, sibcall_internal_symref): New expanders.
1880 (sibcall_value, sibcall_value_internal_symref
1881 (interspace_jump): Turn into an expander + matching patterns.
1882 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1883 * pa/pa64-regs.h: Eliminate trigraph sequences.
1884 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1886 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1888 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1889 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1890 cpp_token with cpp_ttype everywhere.
1891 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1892 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1893 CPP_BUF_COL. Line and column numbers are unsigned int, not
1895 * cpplex.c (cpp_buf_line_and_col): Delete.
1896 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1897 'long lineno' to 'unsigned int lineno'.
1898 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1900 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1902 * extend.texi: ISO C99 is not a draft anymore.
1903 * invoke.texi: ISO C++ is not a draft anymore.
1904 * cpp.texi: __cplusplus is required by the ISO standard.
1906 * extend.texi (-fthis-is-variable): Undocument.
1907 * flags.h (warn_template_debugging): Remove declaration.
1908 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1909 -Wenum-clash, -Wtemplate-debugging): Undocument.
1911 2000-04-10 Nick Clifton <nickc@cygnus.com>
1913 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1915 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1917 (ARM_SIGN_EXTEND): Use HOST_UINT.
1918 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1919 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1920 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1921 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1923 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1924 (arm_gen_constant): Use HOST_UINT.
1925 (arm_canonicalize_constant): Use HOST_UINT.
1926 (arm_reload_in_hi): Use HOST_UINT.
1927 (arm_reload_out_hi): Use HOST_UINT.
1928 (output_multi_immediate): Use HOST_UINT.
1929 (int_log2): Use HOST_UINT.
1930 (arm_poke_function_name): Use HOST_UINT.
1931 (arm_output_epilogue): Use arm_volatile_func().
1932 (output_thumb_prologue): Use arm_strip_name_encoding().
1934 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1936 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1937 of sequence point problems.
1939 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1941 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1943 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1945 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1947 * sbitmap.h: Whitespace changes and use upper-case macro args.
1948 (struct simple_bitmap_def): All sizes now unsigned.
1949 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1950 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1951 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1952 (sbitmap_zero): Cast bzero arg to PTR.
1953 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1954 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1955 loop to make structure clearer.
1956 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1957 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1958 (sbitmap_a_and_b_or_c): Likewise.
1959 (sbitmap_intersection_of_succs): Minor cleanups.
1960 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1961 (sbitmap_union_of_preds): Likewise.
1962 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1963 (debug_sbitmap): New function.
1965 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1966 * c-typeck.c (convert_for_assignment): Likewise.
1968 * expmed.c (init_expmed): Don't free objects we make.
1969 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1971 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1972 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1974 * gcse.c (expr_hash_table_size): Now unsigned.
1975 (compute_ae_gen): Local variable `i' now unsigned.
1976 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1977 (compute_transout, hoist_code): Likewise.
1978 (compute_local_properties): Likewise, also hash_table_size.
1979 (alloc_expr_hash_table): N_INSNS now unsigned.
1980 (delete_null_pointer_checks): Mark arg F as unused.
1982 * regrename.c: Minor cleanups, including chang some variables
1985 2000-04-10 Neil Booth <NeilB@earthling.net>
1987 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1989 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1991 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1993 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1994 __classof__, and __headof__ from the list of gnu keywords.
1995 (-ansi): Remove -foperator-names from list of implied options.
1996 Do not call it ANSI C++.
1997 (-foperator-names): Document as -fno-operator-names.
1999 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2001 * cpphash.c (timestamp): Delete.
2002 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2003 (special_symbol): Remove unnecessary braces. Remove
2004 T_VERSION. Treat T_STDC like T_CONST unless
2005 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2006 when one is encountered, then convert them into T_MCONST
2008 * cppinit.c (builtin_array): version_string is T_MCONST.
2009 __STDC__ has a "1" in its cpval. Don't have a terminator
2010 entry. Clean up which entries are dumped.
2011 (initialize_builtins): Only __STDC__ gets the special
2012 -traditional treatment. Count the length of builtin_array.
2013 Render version_string here.
2014 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2015 * cpplib.h (struct cpp_reader): Remove timebuf.
2017 2000-04-09 Richard Henderson <rth@cygnus.com>
2019 * genrecog.c (pred): Update comparison_operator for the unordered
2022 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2024 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2025 (uno_comparison_operator): New.
2026 (put_condition_code): Handle UNORDERED/ORDERED.
2027 (unsigned_comparison): Likewise.
2028 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2029 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2030 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2031 update all callers. Handle all 8 unordered operators.
2032 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2033 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2034 * config/i386/i386.h (PREDICATE_CODES): Update.
2035 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2036 (ix86_expand_branch, ix86_expand_setcc): Update.
2037 * config/i386/i386.md (sunordered, sordered): New.
2038 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2039 (bunordered, bordered): New.
2040 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2041 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2042 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2044 2000-04-09 Philip Blundell <philb@gnu.org>
2046 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2048 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2050 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2051 fix_truncxfhi2): New patterns.
2052 * i386.c (output_fix_trunc): Handle converting to HImode.
2054 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2056 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2058 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2059 (for_each_successor_phi): Change parameter to basic_block.
2060 (coalesce_regs_in_successor_phi_nodes): Likewise.
2061 (coalesce_regs_in_copies): Likewise.
2062 (compute_coalesced_reg_partition): Use basic_block instead of index.
2063 * rtl.h (convert_to_ssa): Delete.
2064 (convert_from_ssa): Likewise.
2065 (successor_phi_fn): Likewise.
2066 (for_each_successor_phi): Likewise.
2067 (in_ssa_form): Likewise.
2068 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2069 (convert_from_ssa): Likewise.
2070 (successor_phi_fn): Likewise.
2071 (in_ssa_form): Likewise.
2072 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2073 * flow.c (calculate_global_regs_live): Pass a basic_block to
2074 for_each_successor_phi.
2076 2000-04-08 Richard Henderson <rth@cygnus.com>
2078 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2079 was modified in the current insn.
2081 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2083 * arm/thumb.md: Delete.
2084 * arm/thumb-protos.h: Delete.
2086 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2088 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2090 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2092 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2095 * arm.md (nop): Use the standard RTL expression. Don't code as a
2097 (*arm_nop, *thumb_nop): Delete.
2099 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2100 constants. Use casts instead.
2101 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2102 output_multi_immediate, arm_poke_function_name): Likewise.
2103 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2104 MASK_RETURN_ADDDR): Likewise.
2106 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2108 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2111 * arm.md (eh_epilogue): New function.
2112 * arm.h (struct machine_function): Move to here ...
2113 * arm.c: ... from here.
2114 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2115 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2116 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2118 2000-03-30 Nick Clifton <nickc@cygnus.com>
2120 * config/arm/semi.h (ASM_SPEC): Restore definition.
2121 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2123 * config/arm/elf.h (ASM_SPEC): Restore definition.
2124 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2126 * config/arm/arm.h (ASM_SPEC): Remove definition.
2127 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2129 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2131 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2133 2000-03-24 Nick Clifton <nickc@cygnus.com>
2135 Various formating tidyups, elimination of compile time
2136 warnings and synchronisation with internal sources:
2138 * config/arm/arm-protos.h (assemble_align): Add prototype.
2139 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2140 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2141 (arm_return_addr_rtx): Rename to arm_return_addr.
2143 * config/arm/arm.c: Include except.h.
2144 Define shorter typenames for strict minipool_node and struct
2146 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2148 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2149 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2151 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2153 (ASM_SPEC): Define if not already defined.
2154 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2156 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2157 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2158 arm_gen_compare_reg.
2159 (indirect_jump): Only accept register operands.
2160 (load_indirect_jump): Keep this pattern since combine can generate
2163 * config/arm/coff.h: Include aout.h.
2164 (MULTILIB_DEFAULTS): Only define if not already defined.
2166 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2167 into arm.h (so that COFF ports can support thumb based aliases).
2168 (ASM_SPEC): Move definition into arm.h
2170 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2171 redundant apcs spec.
2172 (ASM_SPEC): Move definition to arm.h
2174 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2176 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2177 for entries in the .bss section
2179 2000-03-23 Nick Clifton <nickc@cygnus.com>
2181 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2182 to thumb_far_jump_used_p.
2184 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2185 single integer parameter.
2187 * config/arm/arm.c (struct machine_function): Add two new
2188 fields, 'far_jump_used' and 'arg_pointer_live'.
2189 (thumb_far_jump_used_p): Once the decision has been made that
2190 far jumps might be used, always return true.
2191 If being called from the initial elimination offset macro then
2192 do not bother to perform the test if the arg pointer is not
2194 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2195 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2197 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2199 * arm.c (output_return_instruction): Handle more cases where we can
2200 return from a function with an ldr instruction.
2201 (arm_output_epilogue): Likewise.
2203 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2204 if we need to push a large stack frame and there are no callee-saved
2207 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2208 in ARM code if the frame pointer has been eliminated.
2210 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2211 unspec_volatile arguments to avoid duplicates.
2212 (consttable_1, consttable_2): Fixes for big-endian mode.
2214 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2217 Re-write constant pool code.
2218 * arm.c (minipool_node, minipool_fix): New types.
2219 (minifix): Delete type.
2220 (arm_add_minipool_constant): Delete.
2221 (arm_compute_minipool_offsets, arm_find_barrier,
2222 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2223 (get_jump_table_size): Now returns HOST_WIDE_INT.
2224 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2226 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2227 (assign_minipool_offsets, arm_print_value): Likewise.
2228 (dump_minipool): Rewrite.
2229 (arm_barrier_cost): New function.
2230 (create_fix_barrier): New function.
2231 (push_minipool_barrier): New function.
2232 (push_minipool_fix): Record additional information about the fixup
2234 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2235 check the mode of what needs fixing.
2236 (arm_reorg): Rewrite.
2238 2000-03-08 Nick Clifton <nickc@cygnus.com>
2240 * config/arm/arm.md (indirect_jump): Force constant addresses into
2243 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2245 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2247 2000-02-24 Nick Clifton <nickc@cygnus.com>
2249 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2250 adjust is word aligned.
2251 (thumb_expand_epilogue): Make sure that stack adjust is word
2254 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2256 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2258 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2259 pointer relative addresses.
2261 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2263 * arm.c (find_barrier): Find the last barrier within the allowed
2266 2000-02-09 Nick Clifton <nickc@cygnus.com>
2268 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2270 2000-02-09 Nick Clifton <nickc@cygnus.com>
2272 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2273 ARM_FUNCTION_PROFILER.
2275 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2276 ARM_FUNCTION_PROFILER.
2278 * config/arm/linux-oldld.h: Imported from mainline sources.
2280 2000-02-07 Nick Clifton <nickc@cygnus.com>
2282 * config/arm/lib1funcs.asm: Merge in thumb functions from
2285 * config/arm/lib1thumb.asm: Delete.
2287 2000-02-04 Nick Clifton <nickc@cygnus.com>
2289 * config/arm/arm.c: Sychronised with current Red hat local
2291 * config/arm/arm.h: Ditto.
2292 * config/arm/arm-protos.h: Ditto.
2294 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2296 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2298 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2301 2000-02-02 Nick Clifton <nickc@cygnus.com>
2303 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2305 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2306 (return) was emited using an emit_insn() call.
2308 2000-01-31 Nick Clifton <nickc@cygnus.com>
2310 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2312 (thumb_exit): Move frame pointer back into hard frame pointer
2313 register if backtracing is being used.
2315 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2317 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2320 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2322 * config/arm/arm.md (neg_pool_offset): Provide default for new
2324 (arm_movsi_insn): Add neg_pool_offset attribute.
2325 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2326 rtx for the insn that starts the scan and an unsigned long for its
2327 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2328 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2329 instructions in *PINSERTED.
2330 (struct minipool_fixup): Add MIN_ADDRESS elt.
2331 (sort_fixups): Compute it.
2332 (arm_reorg): Changes to support inserting pools before the insn to be
2335 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2337 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2338 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2339 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2341 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2343 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2345 (TARGET_DEFAULT): Do not define if already defined.
2347 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2349 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2350 (iordi3): Allow disjoint source operands.
2351 (xordi3): Allow disjoint source operands.
2352 (negdi2): Permit construction for ARM and Thumb.
2353 (arm_negdi2): Renamed version of old negdi2 pattern.
2354 (thumb_negdi2): New pattern: Only permit non-overlapping
2355 source and destination.
2357 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2359 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2360 scratch low register so that it will not be deleted.
2362 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2364 * config/arm/pe.h (ARM_PE): Define.
2366 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2367 interfacearm attribute if this is a PE toolchain.
2368 (output_return_instruction): Do not emit anything if the function
2369 has the naked attribute set.
2370 (is_called_in_ARM_mode): If the function has the interfacearm
2371 attribute then return true.
2372 (thumb_expand_prologue): Do not generate a prologue for naked
2374 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2376 (output_thumb_prologue): Do not bother if the function is naked.
2377 Strip PE encoding from function name before emitting.
2379 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2381 * arm.md (pic_load_addr): Fix constraints.
2383 * arm.md (casesi_insn): Fix mis-applied patch.
2385 * arm.md ("core" function unit): Add rules for single- and
2387 (All TARGET_THUMB patterns): Add "type" attribute information
2389 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2390 the following insn is a CALL.
2392 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2394 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2395 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2396 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2398 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2400 * config/arm/linux-gas.h: oops - this file was missed out when the
2401 branch was created...
2403 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2405 * thumb.c: Deleted. Move contents to ...
2407 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2409 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2412 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2413 declare a prototype for asm_output_align();
2415 * arm.c (thumb_condition_code): Delete.
2416 (arm_print_operand): Always use arm_condition_code array.
2418 * arm.c (thumb_return_addr_rtx): Delete.
2419 (arm_save_machine_status, arm_restore_machine_status): Delete.
2420 (arm_init_machine_status, arm_mark_machine_status): New functions.
2421 (arm_init_expanders): Update accordingly.
2422 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2423 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2424 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2426 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2428 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2430 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2433 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2435 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2436 stack backtrace structure.
2438 * config/arm/arm-protos.h: Add prototypes for functions defined in
2441 * config/arm/arm.c (arm_override_options): Fix selection of
2442 attributes of default processor.
2444 * config/arm/coff.h: Delete needless #include.
2446 * config/arm/pe.c: Delete unused code.
2448 * config/arm/pe.h (CPP_DEFINES): Delete
2449 (SUBTARGET_CPP_SPEC): Define.
2450 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2452 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2454 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2456 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2458 (CAN_DEBUG_WITHOUT_FP): Define.
2459 (FIXED_REGISTERS): Make r11 call-saved.
2460 (CALL_USED_REGISTERS): Likewise.
2461 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2462 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2463 frame-pointer is required.
2464 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2465 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2466 if the target normally needs a stack frame in non-leaf functions.
2467 (use_return_insn): Correct logic for determining when a return
2468 instruction can be used.
2469 (output_return_instruction): Handle the frame-pointer register as
2470 a normal register when not TARGET_APCS_FRAME.
2471 (arm_output_prologue): Likewise.
2472 (arm_output_epilogue): Likewise.
2473 (output_func_epilogue): Likewise.
2474 (arm_expand_prologue): Likewise.
2475 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2477 * arm.c (use_return_insn): No need to check floating point regs if
2479 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2480 the code of value stored in the minipool array.
2481 (arm_add_minipool_constant): Likewise.
2483 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2485 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2487 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2489 * tree.c (tree_expr_nonnegative_p): New function.
2491 * tree.h (tree_expr_nonnegative_p): Declare.
2493 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2494 elide some sign_compare warnings.
2495 (build_conditional_expr): Likewise.
2497 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2499 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2501 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2502 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2503 operand. Abort if a 387 operand has an unsupported size.
2505 2000-04-08 Neil Booth <NeilB@earthling.net>
2507 * cppexp.c (parse_charconst): Null does not end character
2509 * cppinit.c (ISTABLE): Null character handled as whitespace.
2510 * cpplex.c (null_warning): new function.
2511 (skip_string): Emit warning if nulls encountered.
2512 (_cpp_skip_hspace): Emit warning if nulls encountered.
2513 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2517 2000-04-07 Richard Henderson <rth@cygnus.com>
2519 * flow.c (loop_depth): Remove.
2520 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2521 (struct propagate_block_info): New.
2522 (life_analysis): Don't allocate reg_next_use.
2523 (propagate_block_delete_insn): Break out of propagate_block.
2524 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2525 (propagate_block_delete_libcall): Likewise.
2526 (propagate_block): Create a propagate_block_info struct to pass
2527 to subroutines. Allocate one not two temporary regsets. Don't
2528 clobber memory for const calls. Look for clobbers in
2529 CALL_INSN_FUNCTION_USAGE.
2530 (mark_set_regs): Recognize COND_EXEC.
2531 (mark_set_reg): Break out of mark_set_1.
2532 (mark_used_reg): Break out of mark_used_regs.
2533 (mark_used_regs): Recognize COND_EXEC.
2534 (insn_dead_p): Use propagate_block_info struct.
2535 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2536 (find_auto_inc, try_pre_increment_1): Likewise.
2537 (print_rtl_with_bb): Dump regs live at end too.
2538 (count_reg_sets_1): Pass in loop_depth.
2539 (count_reg_sets, count_reg_references): Likewise.
2540 (recompute_reg_usage): Provide it.
2542 2000-04-07 Richard Henderson <rth@cygnus.com>
2544 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2547 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2549 * cpplib.c (do_elif): Skip the rest of the line if we're
2550 not going to bother evaluating it.
2551 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2552 to avoid pointless calls to the lexer.
2554 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2556 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2558 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2560 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2562 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2564 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2566 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2568 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2569 crtend so they can be multilibbed.
2570 (STAGESTUFF): Remove s-crt and s-crtS.
2572 2000-04-07 Richard Henderson <rth@cygnus.com>
2574 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2575 if we discover we need a pseudo and no_new_pseudos is true.
2576 * config/alpha/alpha.md (ne:DI insn): New.
2577 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2579 2000-04-07 Richard Henderson <rth@cygnus.com>
2581 * rtl.def (COND_EXEC): New.
2582 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2583 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2585 * genconfig.c (have_cond_arith_flag): Remove.
2586 (have_cond_exec_flag): New.
2587 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2588 (main): Print HAVE_conditional_execution.
2590 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2591 (sched_analyze_insn, print_pattern): Likewise.
2592 * reload.c (find_equiv_reg): Likewise.
2593 * rtlanal.c (reg_referenced_p): Likewise.
2594 (note_stores, dead_or_set_regno_p): Likewise.
2595 (reg_overlap_mentioned_p): Rewrite to use a switch.
2597 * ggc.h (struct rtx_def): Forward declare.
2599 * print-rtl.c (debug_rtx_range): New.
2600 * rtl.h (debug_rtx_range): Declare.
2602 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2604 * gcse.c (gcse_main): Don't rebuild the CFG here.
2605 (delete_null_pointer_checks): Likewise.
2606 * ssa.c (convert_to_ssa): Likewise.
2607 * toplev.c (rest_of_compilation): Do it here instead. Combine
2608 sequential calls to TIMEVAR. Consistently use `insns' instead of
2609 `get_insns()'. Always split insns after reload when optimizing.
2611 * basic-block.h (merge_blocks_nomove): Declare.
2612 (tidy_fallthru_edge): Declare.
2613 * flow.c (merge_blocks_nomove): Document as merging into previous
2614 blocks. Remove cruft from between blocks; remove all edges out of A.
2615 (tidy_fallthru_edge): Export.
2617 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2619 * ssa.c (compute_conservative_reg_partition): Declare with
2621 * toplev.c (clean_dump_file): Remove previously-deleted function
2622 inadvertantly merged back in.
2623 * conflict.c (conflict_graph_add): Use a single call to
2624 htab_find_slot to look up and insert.
2626 2000-04-06 Richard Henderson <rth@cygnus.com>
2628 * genrecog.c (*): Rename _last_insn to last_insn.
2629 (make_insn_sequence): Set the position of the peephole2 C test
2630 to be at the last insn.
2632 2000-04-06 Richard Henderson <rth@cygnus.com>
2634 * flow.c (compute_flow_dominators): Free worklist.
2636 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2638 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2640 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2642 * rtl.h (INSN_P): New macro.
2643 (successor_phi_fn): New typedef.
2644 (for_each_successor_phi): New prototype.
2645 (in_ssa_form): New variable.
2646 (PHI_NODE_P): Likewise.
2647 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2648 phi nodes in successors.
2649 (mark_used_regs): Add PHI case.
2650 (set_phi_alternative_reg): New function.
2651 (life_analysis): Assert that dead code elimination is not selected
2653 * toplev.c (to_ssa_time): New variable.
2654 (from_ssa_time): Likewise.
2655 (compile_file): Zero to_ssa_time and from_ssa_time.
2656 Print time to convert to and from SSA.
2657 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2658 (print_time): Compute percent fraction as integer.
2659 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2660 (convert_to_ssa): Check if we're already in SSA.
2661 Don't eliminate dead code in life_analysis.
2662 Rerun flow and life analysis at bottom.
2663 (eliminate_phi): Use canonical regnos when adding nodes.
2664 (mark_reg_in_phi): New function.
2665 (mark_phi_and_copy_regs): Likewise.
2666 (convert_from_ssa): Rerun life analysis at top.
2667 Use coalesced partition.
2668 Check for removing a phi node at the end of the block.
2669 (compute_coalesced_reg_partition): New function.
2670 (coalesce_regs_in_copies): Likewise.
2671 (coalesce_reg_in_phi): Likewise.
2672 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2673 (for_each_successor_phi): Likewise.
2674 (rename_context): New struct.
2675 (rename_block): Use a rename_context with rename_insn_1. When
2676 renaming sets of a subreg, emit a copy of the entire reg first.
2677 (rename_insn_1): Treat data as a rename_context *. Save current
2679 (rename_set_data): Add field set_insn.
2680 * Makefile.in (HASHTAB_H): Move up in file.
2681 (OBSTACK_H): New macro.
2682 (collect2.o): Use OBSTACK_H in dependencies.
2683 (sdbout.o): Likewise.
2684 (emit-rtl.o): Likewise.
2685 (simplify-rtx.o): Likewise.
2686 (fix-header.o): Likewise.
2687 (OBJS): Add conflict.o.
2688 (conflict.o): New rule.
2689 * basic-block.h: Include partition.h.
2690 (conflict_graph): New typedef.
2691 (conflict_graph_enum_fn): Likewise.
2692 (conflict_graph_new): New prototype.
2693 (conflict_graph_delete): Likewise.
2694 (conflict_graph_add): Likewise.
2695 (conflict_graph_conflict_p): Likewise.
2696 (conflict_graph_enum): Likewise.
2697 (conflict_graph_merge_regs): Likewise.
2698 (conflict_graph_print): Likewise.
2699 (conflict_graph_compute): Likewise.
2700 * conflict.c: New file.
2702 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2704 * tlink.c (read_repo_files): Don't look for .rpo info for
2707 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2709 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2711 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2713 * config/sh/lib1funcs.asm (___udivsi3_i4):
2714 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2715 only depends on FMOVD_WORKS.
2717 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2719 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2720 make double constant 8-byte aligned.
2722 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2724 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2725 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2726 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2727 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2728 Accept storing GENERAL_REGS into offsetable memory.
2729 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2730 building a TFmode constant other than 0.0L into GENERAL_REGS.
2732 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2734 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2736 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2738 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2739 (macro_cleanup): No need to cast pbuf->macro.
2740 (collect_expansion): Use _cpp_get_define_token. Goto done if
2741 it returns VSPACE. Remove check for trailing space after
2743 (_cpp_create_definition): Don't diddle flags here. Return
2745 (unsafe_chars): Handle c1 being EOF.
2746 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2747 checks. Don't push the buffer till after we're done with
2749 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2750 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2751 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2753 (_cpp_parse_assertion): Don't NUL terminate.
2754 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2755 hspace before calling _cpp_parse_assertion. Remove all sets
2756 of only_seen_white. Treat '\f' as hspace. Don't do anything
2757 special with '\n' here.
2758 (maybe_macroexpand): Handle T_EMPTY hash entries without
2759 pushing a buffer at all.
2760 (cpp_get_token): Handle clearing only_seen_white here. Handle
2761 incrementing the line number here. Clear
2762 potential_control_macro as well as only_seen_white, if
2764 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2765 (_cpp_get_define_token): New function, basically like
2766 _cpp_get_directive_token was but doesn't eat horizontal space.
2767 Don't do anything with only_seen_white here.
2768 (_cpp_get_directive_token): Just call _cpp_get_define_token
2769 repeatedly till it returns non-hspace.
2771 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2772 (conditional_skip, skip_if_group): Return int.
2773 (DIRECTIVE_TABLE): Change origin of all conditional directives
2775 (TRAD_DIRECT_P): New macro.
2776 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2777 an error for a bogus directive, unless -lang-asm. Use
2778 TRAD_DIRECT_P. Loop calling handler functions till one returns
2780 (get_macro_name): Don't diddle flags here.
2781 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2782 Create T_EMPTY nodes for #define macro /* nothing */.
2783 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2784 Use hp->name when calling pass_thru_directive.
2785 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2786 Return the result of conditional_skip and/or skip_if_group.
2787 Don't call _cpp_output_line_command.
2788 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2789 Issue -Wtraditional warnings as appropriate. Don't complain
2790 about unrecognized directives. If we are to stop skipping,
2791 return the number of the directive that ended the skip.
2792 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2793 expansion and line commands while skipping. Return the result
2794 of consider_directive_while_skipping, if nonzero.
2795 (do_endif): Just set potential_control_macro here.
2796 (validate_else): Use _cpp_get_directive_token.
2797 (do_assert, do_unassert): Don't save pointers into the
2798 token_buffer across calls to the lexer. Use
2799 _cpp_get_directive_token.
2801 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2802 pointer, not an offset. Replace 'data', which was a generic
2803 pointer, with 'macro', which points to a struct hashnode.
2804 (cpp_reader): Add 'potential_control_macro' pointer.
2805 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2806 (CPP_BUF_GET, CPP_FORWARD): Delete.
2807 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2808 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2809 ACTIVE_MARK_P): Update.
2810 (_cpp_get_define_token): New internal function.
2811 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2813 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2815 * configure.in: And here.
2816 * configure: Regenerate.
2817 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2818 --enable-libstdcxx-v3 is passed at configure time.
2819 * config.h.in: Regenerate.
2821 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2823 * final.c (final): Use xcalloc to allocate line_note_exists.
2824 * function.c (free_after_compilation): Free the temp_slots.
2825 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2826 (combine_temp_slot): Free temp_slots when they get combined.
2827 (purge_addressof): Fix typo in comment.
2828 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2829 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2831 * ggc.h: Include varray.h.
2832 (ggc_pending_trees): Declare.
2833 (ggc_mark_tree_children): Remove declaration.
2834 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2835 * ggc-common.c (ggc_pending_trees): New variable.
2836 (ggc_mark_roots): Call ggc_mark_trees.
2837 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2838 the ggc_pending_trees.
2839 * Makefile.in (GGC_H): New variable. Use it throughout in place
2842 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2844 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2847 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2849 * sh.c (sh_insn_length_adjustment): New function.
2850 * sh-protos.h (sh_insn_length_adjustment): Declare.
2851 * sh.h (ADJUST_INSN_LENGTH): Use it.
2853 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2855 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2856 from the insn where REG_RETVAL is added.
2857 (emit_no_conflict_block): Ditto.
2859 * md.texi (Standard Names): Clarify when movX is needed.
2861 * combine.c (simplify_comparison) [MINUS]: Do not replace
2862 all (op (minus A B) 0) with (op A B).
2864 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2865 J"orn Rennecke <amylaar@cygnus.co.uk>
2867 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2868 (block_lump_real): Likewise.
2870 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2872 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2873 remaining non-zero debugging masks.
2875 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2877 * basic-block.h (verify_flow_info): Declare.
2878 (flow_loop_outside_edge_p): Declare.
2879 * flow.c (verify_flow_info): Remove declaration.
2880 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2882 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2884 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2887 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2889 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2890 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2891 seqdi_zero_trunc+1): Allow splits only if registers are
2894 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2896 * acconfig.h: Add HAVE_GAS_HIDDEN.
2897 * config.in: Regenerated.
2898 * configure.in: Add test for .hidden pseudo-op in gas.
2899 * configure: Regenerated.
2900 * crtstuff.c: Include auto-host.h.
2901 Emit additional .hidden pseudo-op for __dso_handle if the
2902 assembler knows about it.
2904 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2906 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2907 before freeing argnames.
2908 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2910 2000-04-05 Michael Meissner <meissner@redhat.com>
2912 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2913 Walton <jonboy@gordian.com> to make memory references with update
2914 work wtih -mregnames.
2916 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2918 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2919 (regrename_optimize): Rename variables `def_uses' and
2920 `ext_basic_blocks' to avoid conflicts with similarly named
2921 typedefs in traditional C.
2923 * calls.c (initialize_argument_information): Fix typo in previous
2926 2000-04-04 Richard Henderson <rth@cygnus.com>
2928 * regrename.c (consider_available): Test fixed_regs not
2929 PIC_OFFSET_TABLE_REGNUM.
2931 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2933 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2935 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2936 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2937 (ENDFILE_LINUX_SPEC): Always use crtend.
2938 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2939 (powerpc-*-linux-gnu): Likewise.
2940 * configure: Regenerate.
2942 * config/rs6000/eabi.h: Don't include sysv4.h.
2943 (MULTILIB_DEFAULTS): Don't define.
2944 * config/rs6000/eabiaix.h: Don't include eabi.h.
2945 * config/rs6000/eabile.h: Delete.
2946 * config/rs6000/eabilesim.h: Delete.
2947 * config/rs6000/eabisim.h: Don't include eabi.h.
2948 * config/rs6000/linux.h: Don't include sysv4.h.
2949 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2950 (MULTILIB_DEFAULTS): Don't redefine.
2951 * config/rs6000/rtems.h: Don't include eabi.h.
2952 * config/rs6000/sol2.h: Don't include sysv4le.h.
2953 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2954 * config/rs6000/t-ppc: Delete.
2955 * config/rs6000/t-ppcgas: Correct comment.
2956 * config/rs6000/t-ppcos: Correct comment. Don't build
2957 multilibs for -fPIC, rather use -fPIC -mstrict-align
2959 * config/rs6000/t-ppc: Delete.
2960 * config/rs6000/vxppc.h: Don't include sysv4.h.
2961 * config/rs6000/vxppcle.h: Delete.
2962 * configure.in: Use multiple header files for p2pc ELF targets
2963 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2964 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2965 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2966 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2967 always available for these platforms.
2969 2000-04-04 Richard Henderson <rth@cygnus.com>
2971 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2973 2000-04-04 Stan Cox <scox@cygnus.com>
2975 * Makefile.in: Add rules for regrename.o
2976 * regrename.c: New file.
2977 * rtl.h (regrename_optimize): Add prototype.
2978 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2979 (compile_file, decode_d_option): Add support for -frename-registers.
2980 (rest_of_compilation): Call regrename_optimize.
2981 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2984 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2986 * Makefile (gccbug): New target.
2987 (doc): Depend on it.
2988 * gcc.texi (Bugs): Link subnodes.
2990 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2991 Document severities, priorities, and classes in bug form.
2993 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2995 * cpplex.c (trigraph_map, speccase): Combine into single
2997 (NORMAL, NONTRI): New macros.
2998 (_cpp_read_and_prescan): Change to use unified table. Use
2999 is_hspace to test for whitespace.
3001 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3002 definition that doesn't provoke the "empty body in an
3003 if-statement" warning.
3005 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3007 * builtins.c (expand_builtin_strlen): Force the source to
3008 be a memory address.
3010 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3012 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3014 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3016 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3017 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3018 (ECF_IS_CONST): Rename to ECF_CONST.
3019 (special_function_p): Make static, change interface.
3020 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3021 (expand_call) ... here; convert number of variables to flags.
3022 (emit_library_call_vlue_1): Likewise.
3023 (setjmp_call_p): New function.
3024 (initialize_argument_information): Accepts flags as argument;
3026 (precompute_arguments): Likewise.
3027 * tree.h (special_function_p): Remove.
3028 (setjmp_call_p): Add prototype.
3030 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3032 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3033 so that addresses are offsetable by up to 16 bytes.
3034 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3035 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3038 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3039 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3040 (movsf): Don't force any constant to memory if target is integer
3042 Move fp_zero_operand check below the const0_rtx check.
3043 (movtf): Likewise. Also allow fp_zero_operand for stores into
3045 (movdf): Likewise. Also allow fp_zero_operand for stores into
3046 memory and into integer hard registers.
3047 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3048 movdf_const_intreg_sp64): Remove.
3049 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3051 (movdf_no_e_insn_v9_sp32): New pattern.
3052 (movdf_insn_v9only): Remove.
3053 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3054 (movdf_insn_sp64): Remove.
3055 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3056 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3057 (following splits): Rewrite conditions. Add two new splits
3058 for storing 0.0 into memory and registers.
3059 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3060 (movtf_insn_sp32): Redo constraints and conditions.
3061 (movtf_insn_vis_sp32): New pattern.
3062 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3063 (movtf_insn_hq_sp64): Likewise.
3064 (movtf_insn_hq_vis_sp64): New pattern.
3065 (movtf_insn_sp64): Redo constraints and conditions.
3066 (movtf_insn_vis_sp64): New pattern.
3067 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3068 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3070 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3071 -mvis or -m64 to take down the number of various reload patterns.
3073 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3075 * pa/pa-64.h: New file.
3076 * pa/pa64-regs.h: New file.
3077 * pa/pa64-start.h: New file.
3078 * pa/t-pa64: New file.
3079 * pa/xm-pa64hpux.h: New file.
3081 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3083 * sparc.c (output_restore_regs): Prototype.
3084 (sparc_emit_float_lib_cmp): Constification.
3086 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3088 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3091 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3092 (get_value_hash, hash_rtx): Likewise.
3094 * ssa.c (compute_conservative_reg_partition): Prototype.
3096 * tree.c (mark_hash_entry): Prototype.
3098 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3100 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3101 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3102 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3104 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3105 * objc/lang-specs.h: Likewise.
3107 2000-04-03 Neil Booth <NeilB@earthling.net>
3109 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3110 and SYNTAX_ERROR2. Replace `' in messages with ''.
3111 (op_to_str): Make re-entrant.
3112 (_cpp_parse_expr): Implement new error macros. Use | rather
3113 than || to logically or 2 boolean integers. Simply expression
3114 checking we have a left operand iff needed.
3116 2000-04-03 Nick Clifton <nickc@cygnus.com>
3118 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3120 2000-04-03 Philip Blundell <philb@gnu.org>
3122 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3124 2000-04-03 Felix Lee <flee@cygnus.com>
3126 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3127 (run_shell): Use it.
3129 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3131 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3132 (stmp-fixproto): ...rather than here.
3134 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3136 * pa.c (print_operand): Compute 'base' only inside the code paths
3139 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3141 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3144 2000-04-03 Philipp Thomas <pthomas@suse.de>
3146 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3148 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3150 * Makefile.in (alias.o): Depend on $(TREE_H).
3152 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3154 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3156 * cpplib.c (_cpp_handle_directive): Improve warnings for
3157 traditional C and indented directives.
3159 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3160 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3161 fixinc/inclhack.def: Indent the # of #include_next one space.
3162 * cp/rtti.c: Un-indent #if and #endif.
3164 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3165 syntax error, but an error has already been printed.
3166 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3167 message when called with nothing remaining on the line.
3168 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3169 OTHER token, not an ASSERTION.
3170 * cpplib.c (do_assert): When we create a 'base' node, clear
3171 its aschain pointer.
3173 2000-04-02 Neil Booth <NeilB@earthling.net>
3175 * cppexp.c: New typedef op_t. struct operation and struct
3176 token updated to use it.
3177 (op_to_str): New function.
3178 (_cpp_parse_expr): Error messages modified to use op_to_str.
3180 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3182 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3183 before checking MUST_PASS_IN_STACK.
3185 2000-04-02 Neil Booth <NeilB@earthling.net>
3187 * cppexp.c: New FINISHED dummy token. Combine operator initial
3188 flags and initial priority into a single constant. New
3189 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3190 (_parse_cpp_expr): Implement new constants. Take left operand
3191 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3192 parse indicated by reducing FINISHED token. Remove new lines
3193 from cpp_error messages.
3195 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3197 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3200 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3202 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3203 directive. Add origin values to DIRECTIVE_TABLE. Generate
3204 the strings and function names on the fly. Take the #sccs
3205 entry out of the table if SCCS_DIRECTIVE is not defined.
3206 (_cpp_handle_directive): Decide if the # was at the beginning
3207 of the line here. Issue -pedantic warnings for extended
3208 directives here. Warn about K+R directives with the #
3209 indented, and C89/extended directives with the # not indented,
3211 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3212 do_assert, do_unassert): Don't issue pedantic warning here.
3214 * cpphash.h: Add CPP_WTRADITIONAL macro.
3215 * cpplib.h (struct cpp_options): Rename warn_stringify to
3216 warn_traditional; update comments.
3217 * cppinit.c (handle_option): Set warn_traditional not
3219 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3220 CPP_WTRADITIONAL (pfile).
3221 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3222 be ignored in -traditional mode here.
3224 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3225 to initialize speccase[] and trigraph_map[]. Delete all
3226 references to pfile->input_speccase. Always treat '?' as a
3227 special character. Remove table-initialization code from
3228 _cpp_init_input_buffer.
3230 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3231 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3233 2000-04-01 Richard Henderson <rth@cygnus.com>
3235 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3236 (mostlyclean): Likewise.
3238 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3239 (struct dump_file_info, enum dump_file_index, dump_file): New.
3240 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3241 not a string. Clean out file if we havn't yet done so. Do nothing
3242 if the dump isn't enabled.
3243 (close_dump_file): Do nothing if the dump isn't open. Dump
3244 graph data if requested.
3245 (dump_rtl, clean_dump_file): Remove.
3246 (compile_file): Don't clean the dump files. Only finalize .bp dump
3247 if flag_test_coverage or flag_branch_probabilities. Only finalize
3248 .combine dump if optimizing. Iterate over dump_file to finalize the
3250 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3251 Convert all uses of dump_rtl.
3252 (decode_d_option): Iterate over dump_file to implement 'a' and to
3253 locate pass-specific dumps.
3255 2000-04-01 Neil Booth <NeilB@earthling.net>
3257 * cppexp.c: Redefine priority constants.
3258 (_cpp_parse_expr): Replace left and right priority scheme with
3259 single priority logic. Move LOGICAL to same place as COMPARE.
3260 Remove bogus check for multiple unary +/- operators.
3262 2000-04-01 Neil Booth <NeilB@earthling.net>
3264 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3265 within the switch statement. Binary operations break out of
3266 the switch naturally. '(' tokens handled by forcing
3267 immediate shift. ')' handled by forcing immediate reduce to
3268 the previous '('. New error messages.
3270 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3272 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3273 part', it's already in use. Use %K instead. Add a return at the
3274 end of what is now %K.
3275 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3277 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3279 * builtins.c (expand_builtin_apply): Pass proper parameters to
3280 allocate_dynamic_stack_space.
3281 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3282 update stack_pointer_delta; do not update arg_size_so_far.
3283 (compute_argument_block_size): Use stack_delta instead of
3284 stack_pointer_pending and arg_size_so_far.
3285 (expand_call): Add sanity checking for stack_pointer_delta;
3286 save and restore stack_pointer_delta for SIB, use
3287 stack_pointer_delta for alignment; do not update arg_space_so_far.
3288 (emit_library_call_value): Use stack_pointer_delta for alignment.
3289 (store_one_arg): Do not update arg_space_so_far.
3290 * explow.c (adjust_stack, anti_adjust_stack): Update
3291 stack_pointer_delta.
3292 (allocate_dynamic_stack_space): Add sanity checking for
3293 stack_pointer_delta.
3294 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3295 stack_pointer_delta.
3296 (emit_push_insn): Update stack_pointer_delta.
3297 * function.h (struct expr_status): Add x_stack_pointer_delta;
3298 remove x_arg_space_so_far.
3299 (arg_space_so_far): Remove.
3300 (stack_pointer_delta): New macro.
3302 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3304 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3305 Reorder struct cpp_options and struct cpp_reader for better
3306 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3307 takes two args. Change all 'char' flags to 'unsigned char'.
3308 Move show_column flag into struct cpp_options. Don't
3309 prototype cpp_options_init.
3310 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3311 cppinit.c, cpplex.c, cpplib.c:
3312 Replace CPP_OPTIONS (pfile)->whatever with
3313 CPP_OPTION (pfile, whatever), and likewise for
3314 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3316 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3317 Extract CPP_OPTION (pfile, pending) and work with that
3319 (cpp_options_init): Delete.
3320 (cpp_reader_init): Turn on on-by-default options here.
3321 Allocate the pending structure here.
3322 (cl_options, enum opt_code): Define these from the same table,
3323 kept in a large macro. Add -fshow-column and -fno-show-column
3326 * cpperror.c (v_message): If show_column is off, don't print
3329 * cppmain.c: Update for new interface.
3330 * fix-header.c: Likewise.
3332 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3334 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3336 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3337 are passed to any invocation of AR_FOR_TARGET.
3338 (AR_CREATE_FOR_TARGET): New macro.
3339 (AR_EXTRACT_FOR_TARGET): New macro.
3340 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3341 AR_EXTRACT_FOR_TARGET.
3342 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3343 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3344 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3345 AR_EXTRACT_FOR_TARGET to sub-makes.
3347 2000-03-31 Neil Booth <NeilB@earthling.net>
3349 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3351 (_cpp_parse_expr): Check for multiple unary +/- operators.
3352 Correct priorities of ':' and '?'. Treat ')' as having a
3353 value. Ensure conditional expression is not void.
3355 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3357 * alias.c (canon_rtx): Make it global.
3358 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3360 * cse.c (struct table_elt): Add canon_exp.
3362 (invalidate): Canonicalize expressions only once.
3363 * rtl.h (canon_rtx): Declare.
3365 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3367 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3368 * alias.c (reg_known_value): Add comments.
3369 (init_alias_analysis): Likewise.
3370 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3372 (cse_basic_block): Fix typo in comment.
3373 * emit-rtl.c: Include hashtab.h.
3374 (const_int_htab): New variable.
3375 (const_int_htab_hash): New function.
3376 (const_int_htab_eq): Likewise.
3377 (rtx_htab_mark_1): Likewise.
3378 (rtx_htab_mark): Likewise.
3379 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3380 (unshare_all_rtx): Fix formatting.
3381 (init_emit_once): Initialize const_int_htab.
3382 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3384 * rtl.texi: Document the fact that all CONST_INTs with the same
3387 2000-03-30 Richard Henderson <rth@cygnus.com>
3389 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3391 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3393 * configure.in: Comment out --enable-c-cpplib stanza.
3394 * configure: Regenerate.
3396 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3398 * expr.c (store_constructor): Properly compute displacement and
3399 alignment when offset is variable.
3401 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3402 cases of alignment in bytes.
3404 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3406 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3407 since it is used to generate c-parse.y.
3408 * objc-parse.c, objc-parse.y: Regenerated.
3410 * function.c (expand_function_end): Pass alignment argument to
3411 emit_block_move in bits, not bytes.
3413 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3415 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3418 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3420 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3421 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3422 * function.c (assign_parms): Likewise.
3423 * integrate.c (expand_inline_function): Likewise.
3424 * stmt.c (expand_decl): Likewise.
3425 (copy_rtx_and_substitute): Likewise.
3426 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3427 (clear_by_pieces): Fix error in last change.
3428 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3429 * function.h (regno_pointer_align): Now unsigned.
3430 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3432 * config/i386/i386.c (aligned_operand): Likewise.
3433 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3434 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3435 (unaligned_memory_operand): Likewise.
3436 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3437 Also make alignments and sizes unsigned and some whitespace cleanup.
3438 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3440 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3441 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3442 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3443 (expand_builtin_memset): Likewise, but to clear_storage.
3444 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3445 (restore_fixed_argument_area): Likewise.
3446 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3447 (load_register_parameters): Likewise, to emit_group_load.
3448 (expand_call): Likewise, to emit_group_store and emit_block_move.
3449 (emit_library_call_value_1): Likewise, to emit_block_move.
3450 (store_one_arg): Likewise, and to emit_push_insn.
3451 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3452 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3453 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3454 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3455 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3456 (expand_assigment, store_expr, store_constructor_field): Likewise.
3457 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3458 (store_constructor, store_field, get_inner_reference): Likewise.
3459 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3460 (expand_expr, case COMPONENT_REF): Likewise.
3461 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3462 and positions; reindent code.
3463 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3464 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3465 (assign_parms): Likewise to emit_group_store.
3466 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3467 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3468 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3469 (expand_return): Likewise to {extract,store}_bit_field.
3470 * stor-layout.c (get_mode_alignment): Minor cleanup.
3471 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3472 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3474 2000-03-29 Nick Clifton <nickc@cygnus.com>
3476 * config/arm/arm.h: Undo effects of previous delta:
3477 (ASM_SPEC): Do not define.
3478 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3480 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3483 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3485 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3486 only after reading in the primary source file.
3488 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3490 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3491 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3492 or a reference to a va_list.
3493 * builtins.c (stabilize_va_list): Simplify now we don't have to
3494 work around C array address decay.
3495 * c-typeck.c (convert_for_assignment): Handle assignment to
3496 a reference parameter by taking the address of the RHS.
3497 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3498 (va_copy): Likewise.
3499 (__va_copy): Likewise.
3500 * ginclude/varargs.h (va_start): Likewise.
3501 (__va_copy): Likewise.
3503 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3505 * i386/djgpp.h: Remove extraneous "+".
3507 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3509 * calls.c (expand_call): Fix typo in last change.
3511 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3513 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3516 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3518 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3519 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3520 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3521 * tree.c (bit_position, byte_position): Likewise.
3522 * tree.h: Declare new functions.
3524 2000-03-29 Nick Clifton <nickc@cygnus.com>
3526 * config/arm/arm.c: Minor formatting changes/
3527 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3529 (ASM_SPEC): Define if not already defined.
3531 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3533 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3536 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3538 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3539 value, don't output it as unsigned.
3541 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3543 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3545 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3547 * c-common.c (c_common_nodes_and_builtins): Don't special case
3548 cplus_mode when declaring builtin bzero/bcmp, always avoid
3549 prototype arguments.
3551 2000-03-29 Bruce Korb <bkorb@gnu.org>
3553 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3556 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3558 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3559 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3560 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3561 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3562 (save_fixed_argument_area, restore_fixed_argument_area):
3563 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3564 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3565 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3566 (precompute_register_parameters): Avoid #ifdefs on
3567 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3568 (stire_one_args): Likewise.
3569 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3570 (emit_library_call_value_1): Likewise.
3571 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3572 ACCUMULATE_OUTGOING_ARGS.
3573 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3575 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3576 (use_crosses_set_p): Likewise.
3577 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3578 #define ACCUMULATE_OUTGOING_ARGS 1.
3579 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3581 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3583 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3584 (TARGET_SWITCHES): Add push-args, no-push-args,
3585 accumulate-outgoing-args and no-accumulate-outgoing-args.
3586 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3587 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3588 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3590 (emit_push_insn): Likewise.
3591 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3592 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3593 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3594 (STACK_DYNAMIC_OFFSET): Define correctly for both
3595 ACCUMULATE_OUTGOING_ARGS and normal mode.
3596 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3597 * tm.texi (PUSH_ARGS): Document.
3598 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3600 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3602 * flags.h (flag_optimize_sibling_calls): Declare.
3603 * calls.c (expand_call): Fail sibcall when
3604 !flag_optimize_sibling_calls
3605 * invoke.texi (flag_optimize_sibling_calls): Document.
3606 * toplev.c (flag_optimize_sibling_calls): New global variable.
3607 (f_options): Add flag_optimize_sibling_calls.
3608 (rest_of_compilation): Conditionize
3609 optimize_sibling_and_tail_recursive_calls by
3610 flag_optimize_sibling_calls.
3611 (main): Set flag_optimize_sibling_calls for -O2.
3612 * stmt.c (expand_return): Conditionize tail recursion by
3613 flag_optimize_sibling_calls.
3615 2000-03-29 Richard Henderson <rth@cygnus.com>
3617 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3618 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3620 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3622 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3624 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3626 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3628 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3629 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3630 * config/rs6000/aix.h: then modified likewise.
3632 2000-03-28 Richard Henderson <rth@cygnus.com>
3634 * rtl.h: Redistribute enum reg_note documentation.
3635 Kill trailing whitespace.
3636 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3637 Kill trailing whitespace.
3639 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3641 * cppfiles.c (hash_IHASH): Just return i->hash.
3642 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3643 htab_find_with_hash.
3644 (cpp_read_file): Likewise.
3645 (find_include_file): Likewise. Properly initialize
3646 ih->nshort. Share ih->name and ih->nshort if possible.
3647 * cpphash.c (_cpp_calc_hash): New function.
3648 (hash_HASHNODE): Just return h->hash.
3649 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3650 htab_find_with_hash.
3651 * cpphash.h: Prototype _cpp_calc_hash.
3652 * cppinit.c (initialize_builtins): Provide a valid hash
3653 to _cpp_make_hashnode, using _cpp_calc_hash.
3655 * cpphash.c (collect_expansion): # is not a special character
3656 in object-like macros. In -traditional mode, /**/ is not
3657 token paste at the beginning or end of the line.
3658 * cpplib.c (do_include, do_import, do_include_next): If
3659 parse_include fails, return immediately.
3661 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3663 * config/arm/arm.md (return peepholes): Update to reflect the new
3665 * config/arm/arm.c (arm_volatile_func): Also check
3666 current_function_nothrow.
3667 (output_return_instruction, output_func_prologue): Use it.
3668 (arm_output_epilogue, arm_expand_prologue): Likewise.
3670 2000-03-27 Tom Tromey <tromey@cygnus.com>
3672 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3675 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3677 * expr.c (store_constructor): SIZE now signed.
3678 For EXPR_SIZE, don't evaluate size; just needed if constant.
3679 * fold-const.c (fold): Fix a number of cases when folded tree is
3681 * function.c (flush_addressof): Reenable.
3682 * tree.h (flush_addressof): Likewise.
3683 * toplev.c (independent_decode_option): Look at strings_processed.
3684 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3686 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3688 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3689 Allow stack adjustment after function call.
3691 * regmove.c (struct csa_memlist): Make mem field rtx *.
3692 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3693 (try_apply_stack_adjustment): Replace whole MEM rtx.
3694 (combine_stack_adjustments_for_block): Update calls
3695 to record_one_stack_ref.
3697 2000-03-28 Neil Booth <NeilB@earthling.net>
3699 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3700 '\\' rather than a null character, so nulls are not special. Fix
3701 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3702 speed trigraph conversion.
3703 (_cpp_init_input_buffer): Initialize trigraph map.
3705 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3707 * config/i386/i386.c (output_387_binary_op): Correct intel
3708 mode assembly output, and add spaces after commas in AT&T
3709 output. Correct Unixware assembler comment. Document input
3710 constraints. Comment fp operations. Reduce profligate buffer
3711 size. Remove extraneous abort. Localize temp var.
3712 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3713 (output_fix_trunc): Add spaces after commas in assembly output.
3715 2000-03-27 Richard Henderson <rth@cygnus.com>
3717 * i386-protos.h (ix86_match_ccmode): Declare.
3718 * i386.c (ix86_match_ccmode): New.
3719 (ix86_expand_fp_compare): Update for pattern renames.
3720 (ix86_expand_strlensi_unroll_1): Likewise.
3721 * i386.h (EXTRA_CC_MODES): Add CCZ.
3722 (SELECT_CC_MODE): Use it for EQ/NE zero.
3723 * i386.md (cmpsi_ccz_1): New.
3725 (*testsi_ccz_1): New.
3726 (testqi_ccz_1): New.
3727 (cmpsi_ccno_1): Rename from cmpsi_0.
3728 (testsi_ccno_1): Rename from testsi_1.
3729 (testqi_ccno_1): Rename from testqi_1.
3730 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3731 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3732 (*cmphi_0): Use ix86_match_ccmode.
3733 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3734 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3735 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3736 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3737 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3738 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3739 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3740 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3741 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3742 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3743 (appropriate peepholes): Likewise.
3744 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3745 (*subsi_3, *subhi_3, *subqi_3): Remove.
3746 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3747 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3748 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3749 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3750 (x86_shift_adj_1): Use CCZ.
3751 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3753 2000-03-27 Stan Cox <scox@cygnus.com>
3755 * resource.h (mark_resource_type): New.
3756 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3757 find_free_register): Use mark_resource_type.
3758 (mark_set_resources): Change include_delayed_effects
3759 to mark_resource_type.
3760 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3761 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3762 Use mark_resource_type.
3764 2000-03-27 Richard Henderson <rth@cygnus.com>
3766 * i386.md (call_pop_0, call_value_pop_0): New.
3767 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3768 (call_value_pop_1): Likewise.
3769 (call_0, call_value_0): New.
3770 (call_1, call_value_1): Remove constraint from unused arg.
3772 2000-03-27 Nick Clifton <nickc@cygnus.com>
3774 * invoke.texi (Spec Files): Document new spec % command created by
3775 Tom Tromey's recent patch.
3777 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3779 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3782 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3784 * expr.c (expand_assignment): Fix typo in last change.
3786 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3788 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3790 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3791 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3792 and DECL_INLINE if FUNCTION_DECL.
3793 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3794 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3795 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3796 (combine_parm_decls): Likewise.
3797 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3798 * print-tree.c (print_node): Likewise.
3799 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3800 DECL_TRANSPARENT_UNION on proper decl types.
3801 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3802 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3803 DECL_BIT_FIELD of FIELD_DECL.
3804 * tree.h (DECL_RESULT_FLD): New macro.
3806 * expr.c (expand_assignment): Add code to handle variable-sized
3809 2000-03-26 Richard Henderson <rth@cygnus.com>
3811 * calls.c (expand_call): Pass parms not original exp to
3812 optimize_tail_recursion. Mind return value instead of looking
3814 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3815 call_expr. Move checks for call_expr and current_function_decl ...
3816 (expand_return): ... here.
3818 2000-03-26 Tom Tromey <tromey@cygnus.com>
3820 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3821 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3823 (process_command): Use them.
3824 (check_live_switch): Likewise.
3825 (give_switch): Skip ignored switches.
3827 2000-03-26 Jan Hubicka <jh@suse.cz>
3829 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3830 for minimal jump pass test.
3832 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3834 * integrate.c (function_cannot_inline_p): Do inline functions that
3837 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3839 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3840 now a list of TREE_LIST entries, not types.
3841 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3843 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3844 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3846 * config/mips/mips.c (function_arg): Likewise; also remove cast
3847 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3848 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3849 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3850 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3851 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3852 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3853 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3854 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3855 num_adjusts now unsigned.
3856 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3857 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3859 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3860 as is BITPOS variable; use host_integerp and int_bit_position.
3861 (function_arg_record_value_2): Likewise.
3862 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3863 Variable REGNO now unsigned.
3864 (function_arg_record_value): NREGS now unsigned.
3866 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3868 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3870 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3872 * Rework fields used to describe positions of bitfields and
3873 modify sizes to be unsigned and use HOST_WIDE_INT.
3874 * alias.c (reg_known_value_size): Now unsigned.
3875 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3876 (really_start_incremental_init): Use bitsize_zero_node.
3877 (push_init_level, pop_init_level, output_init_element): Likewise.
3878 Use bitsize_unit_node and bitsize_one_node.
3879 (output_pending_init_elements, process_init_element): Likewise.
3880 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3881 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3882 HOST_WIDE_INT, respectively.
3883 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3884 (num_sign_bit_copies): Returns unsigned.
3885 BITWIDTH now unsigned; rework arithmetic.
3886 Remove recursive call from arg to MAX.
3887 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3888 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3890 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3891 (find_split_point, expand_compound_operation, make_extraction): LEN
3892 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3893 (make_field_assignment): Likewise.
3894 (combine_simplify_rtx): Add cast.
3895 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3896 (force_to_mode): WIDTH now unsigned; add cast.
3897 (if_then_else_cond): SIZE now unsigned.
3898 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3899 (extended_count): Now returns unsigned.
3900 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3901 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3902 (simplify_comparison): MODE_WIDTH now unsigned.
3903 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3904 (mark_used_regs_combine): Likewise; rework arithmetic.
3905 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3906 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3907 (record_promoted_value): REGNO now unsigned.
3908 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3909 (get_last_value): REGNO now unsigned.
3910 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3911 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3912 (remove_death): Arg REGNO now unsigned.
3913 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3914 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3916 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3917 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3918 (struct cse_reg_info): REGNO now unsigned.
3919 (cached_regno): Now unsigned.
3920 (REGNO_QTY_VALID_P): Add cast.
3921 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3922 (remove_invalid_regs): Likewise.
3923 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3924 as are variables END and I.
3925 (get_cse_reg_info, insert): Likewise.
3926 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3927 (canon_hash): Likewise.
3928 (insert_regs, lookup_for_remove): REGNO now unsigned.
3929 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3931 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3932 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3933 * emit-rtl.c (subreg_realpart_p): Add cast.
3934 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3935 (operand_subword_force): Arg I is now unsigned.
3936 * except.c (eh_regs): Variable I is now unsigned.
3937 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3938 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3939 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3940 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3941 (extract_split_bit_field, store_bit_field, extract_bit_field):
3943 * expr.c (store_constructor_fields, store_constructor, store_field):
3944 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3945 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3946 (do_jump): Likewise.
3947 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3948 MAX_SIZE is now unsigned.
3949 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3950 (emit_group_store): Likewise.
3951 (emit_move_insn): I now unsigned.
3952 (store_constructor): Use host_integerp, tree_low_cst, and
3954 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3955 Rework all calculations to use trees and new fields.
3956 * expr.h (promoted_input_arg): Regno now unsigned.
3957 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3958 (mark_seen_cases): Arg is HOST_WIDE_INT.
3959 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3960 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3961 precisions and alignments are unsigned.
3962 (optimize_bit_field_compare, fold_truthop): Likewise.
3963 (int_const_binop): Adjust threshold for size_int_type_wide call.
3964 (fold_convert): Likewise.
3965 (size_int_type_wide): Make table larger and fix thinko that only
3966 had half of table used.
3967 (all_ones_mask_p, fold): Precisions are unsigned.
3968 * function.c (put_reg_info_stack): REGNO is unsigned.
3969 (instantiate_decl): Size is HOST_WIDE_INT.
3970 (instantiate_virtual_regs): I is unsigned.
3971 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3972 (promoted_input_arg): REGNO is unsigned.
3973 * function.h (struct function): x_max_parm_reg is now unsigned.
3974 * gcse.c (max_gcse_regno): Now unsigned.
3975 (struct null_pointer_info): min_reg and max_reg now unsigned.
3976 (lookup_set, next_set): REGNO arg now unsigned.
3977 (compute_hash_table): REGNO and I now unsigned.
3978 (handle_avail_expr): regnum_for_replacing now unsigned.
3979 (cprop_insn): REGNO now unsigned.
3980 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3981 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3982 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3983 * hard-reg-set.h (reg_class_size): Now unsigned.
3984 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3985 * jump.c (mark_modified_reg): I now unsigned; add cast.
3986 (rtx_equal_for_thread_p): Add cast.
3987 * loop.c (max_reg_before_loop): Now unsigned.
3988 (struct_movable): REGNO now unsigned.
3989 (try_copy_prop): REGNO arg unsigned.
3990 (regs_match_p): XN and YN now unsigned.
3991 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3992 (strength_reduce): Likewise; NREGS also unsigned.
3993 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3994 * loop.h (struct iv_class): REGNO now unsigned.
3995 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3997 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3998 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3999 * optabs.c (expand_binop): I and NWORDS now unsigned.
4000 (expand_unop): I now unsigned.
4001 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4002 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4003 * real.c (significand_size): Now returns unsigned.
4004 * real.h (significand_size): Likewise.
4005 * regclass.c (reg_class_size): Now unsigned.
4006 (choose_hard_reg_mode): Both operands now unsigned.
4007 (record_reg_classes): REGNO and NR now unsigned.
4008 (reg_scan): NREGS now unsigned.
4009 (reg_scan_update): old_max_regno now unsigned.
4010 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4011 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4012 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4013 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4014 Likewise for variable R.
4015 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4016 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4017 (find_equiv_reg): Add casts.
4018 (regno_clobbered_p): Arg REGNO now unsigned.
4019 * reload.h (struct reload): NREGS now unsigned.
4020 (refers_to_regno_for_reload_p): Regno args are unsigned.
4021 (regno_clobbered_p): Likewise.
4022 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4023 (compute_use_by_pseudos): REGNO now unsigned.
4024 (find_reg): I and J now unsigned, new variable K, and change loop
4025 variables accordingly; THIS_NREGS now unsigned.
4026 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4027 (spill_hard_reg): REGNO arg now unsigned; add casts.
4028 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4029 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4030 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4031 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4032 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4033 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4034 (emit_reload_insns): REGNO now unsigned.
4035 (reload_cse_move2add): Add cast.
4036 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4038 * resource.c (mark_referenced_resources, mark_set_resources): New
4039 variable R; REGNO and LAST_REGNO now unsigned.
4040 (mark_target_live_regs): J and REGNO now unsigned.
4041 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4042 * rtl.h (union rtunion_def): New field rtuint.
4043 (XCUINT): New macro.
4044 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4045 (operand_subword, operand_subword_force): Word number is unsigned.
4046 (choose_hard_reg_mode): Operands are unsigned.
4047 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4048 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4049 (regno_use_in, combine_instructions, remove_death): Likewise.
4050 (reg_scan, reg_scan_update): Likewise.
4051 (extended_count): Return is unsigned.
4052 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4053 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4054 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4055 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4056 (reg_reg_last_1): FIRS and LAST now unsigned.
4057 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4058 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4060 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4061 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4062 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4063 (replace_regs): Arg NREGS now unsigned.
4064 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4065 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4066 (simplify_binary_operation): Likewise.
4067 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4068 THIS_LAST now unsigned.
4069 (cselib_record_set): Add cast.
4070 * ssa.c (ssa_max_reg_num): Now unsigned.
4071 (rename_block): REGNO now unsigned.
4072 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4074 (all_cases_count): Just return -1 not -2.
4075 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4076 Rework tests to use trees whenever possible.
4077 Use host_integerp and tree_low_cst.
4078 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4079 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4080 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4081 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4082 (smallest_mode_for_size): Likewise.
4083 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4084 KNOWN_ALIGN is now an alignment, so simplify code.
4085 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4086 (start_record_layout): Renamed from new_record_layout_info.
4087 Update to new fields.
4088 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4090 (place_union_field): Renamed from layout_union_field.
4091 Update to use new fields in rli.
4092 (place_field): Renamed from layout_field.
4093 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4094 (finalize_record_size): Rework to use new fields in rli and handle
4096 (compute_record_mode): Rework to simplify and to use new DECL fields.
4097 (finalize_type_size): Make rounding more consistent.
4098 (finish_union_layout): Deleted.
4099 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4100 (layout_type, case RECORD_TYPE): Call new function names.
4101 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4102 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4103 (get_best_mode): UNIT is now unsigned; remove casts.
4104 * tree.c (bit_position): Compute from new fields.
4105 (byte_position, int_byte_position): New functions.
4106 (print_type_hash_statistics): Cast to remove warning.
4107 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4108 (build_index_type): Likewise; make subtype of sizetype.
4109 (build_index_2_type): Pass sizetype to build_range_type.
4110 (build_common_tree_nodes): Use size_int and bitsize_int to
4111 initialize nodes; add bitsize_{zero,one,unit}_node.
4112 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4113 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4114 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4115 (DECL_FIELD_BITPOS): Deleted.
4116 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4117 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4118 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4119 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4120 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4121 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4122 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4123 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4124 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4125 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4126 (DECL_ALIGN): Adjust to new field in union.
4127 (DECL_OFFSET_ALIGN): New field.
4128 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4129 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4130 (union tree_decl): Add struct for both aligns.
4131 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4132 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4133 (struct record_layout_info): Rework fields to have offset
4134 alignment and byte and bit position.
4135 (start_record_layout, place_field): Renamed from old names.
4136 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4137 (byte_position, int_byte_position): Likewise.
4138 (get_inner_reference): Change types of position and length.
4139 * unroll.c (unroll_loop): New variable R; use for some loops.
4140 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4141 (calculate_giv_inc): Arg REGNO now unsigned.
4142 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4143 * varasm.c (assemble_variable): Clean up handling of size using
4144 host_integerp and tree_low_cst.
4145 (decode_addr_const): Use byte, not bit, position.
4146 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4147 use tree_low_cst and int_bit_position.
4148 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4150 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4152 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4153 (reorder_block_def): New members eff_head and eff_end.
4154 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4155 (verify_insn_chain): New function.
4156 (skip_insns_between_block): Add code to skip deleted insns.
4157 Check for note before using.
4158 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4159 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4160 Check for note before using.
4161 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4162 (fixup_reorder_chain): Restructure, clean up, defect removal.
4163 (reorder_basic_blocks): Remove last_insn and references to it.
4164 Moved insn chain verification code into a new function (see above).
4165 Delete defective code that sets last insn.
4166 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4169 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4171 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4173 2000-03-24 Richard Henderson <rth@cygnus.com>
4175 * tree.c (lang_safe_for_unsave): Remove.
4176 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4177 allowing for two levels of unsafeness. Remove lang hook.
4178 * tree.h: Update declarations.
4179 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4180 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4181 Always fail sibcalls when there are pending cleanups.
4183 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4185 * flow.c (propagate_block): When we delete an ADDR_VEC,
4186 also delete the BARRIER following it if there is one.
4188 2000-03-24 Richard Henderson <rth@cygnus.com>
4190 * builtins.c (expand_builtin_bzero): Convert `length' argument
4193 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4195 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4196 comparison if regno's are equal.
4197 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4198 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4199 (expand_call): Update caller.
4200 Avoid making a sibling call if argument size of the callee is larger
4201 than argument size of the caller.
4202 Call hard_function_value with outgoing set if in sibcall pass.
4203 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4205 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4206 Change LEAF_REGISTERS from an array initializer to actual array
4207 identifier. Move static global variable into the function.
4208 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4209 sequences for leaf functions.
4210 * global.c (global_alloc): Likewise.
4211 * tm.texi (LEAF_REGISTERS): Update documentation.
4213 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4214 TARGET_FLAT leaf disabling hack.
4215 (LEAF_REGISTERS): Changed from an array initializer to actual array
4216 identifier to avoid duplication and remove the above hack.
4217 (FUNCTION_OK_FOR_SIBCALL): Define.
4218 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4219 always like call attribute.
4220 (eligible_for_sibcall_delay): New attribute.
4221 (sibcall): New delay type.
4222 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4223 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4224 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4225 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4226 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4228 (output_function_epilogue): Move part of the code into
4229 output_restore_regs.
4230 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4232 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4235 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4236 until infrastructure is finished.
4238 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4240 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4241 (save_parm_insns): Not here.
4243 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4245 * builtins.c (expand_builtin_bzero): New function.
4246 (expand_builtin): Handle bzero.
4248 * builtins.def: Add BUILT_IN_BZERO.
4250 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4251 prototype & function for bzero.
4253 2000-03-23 Michael Meissner <meissner@redhat.com>
4255 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4256 change adding TARGET_FP to the TF floating point insns, except for
4257 trunctfsf2, which generates direct calls to truncdfsf2.
4259 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4261 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4262 try to protect against middle-end changes that break binary
4264 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4266 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4268 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4270 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4272 * calls.c (expand_call): If TARGET is passed by reference and
4273 is readonly, write a CLOBBER.
4275 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4277 * builtins.c (expand_builtin): Handle bcmp.
4279 * builtins.def: Add BUILT_IN_BCMP.
4281 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4282 prototype & function for bcmp.
4284 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4286 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4287 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4288 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4290 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4292 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4293 alternative when using -fp64 -gp32.
4295 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4297 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4298 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4299 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4301 * frame.h (frame_state): Revert last change.
4302 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4303 * libgcc2.c (throw_helper): Revert last change.
4305 2000-03-22 Richard Henderson <rth@cygnus.com>
4307 * stmt.c (expand_asm_operands): Don't promote the temporary.
4309 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4311 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4312 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4313 c_get_alias_set): Likewise.
4314 * c-decl.c (duplicate_decls): Likewise.
4315 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4316 * calls.c (initialize_argument_information): Likewise.
4317 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4319 * dwarfout.c (decl_class_context,output_type): Likewise.
4320 * expr.c (get_inner_reference): Likewise.
4321 * fold-const.c (simple_operand_p,fold): Likewise.
4322 * function.c (aggregate_value_p): Likewise.
4323 * stmt.c (expand_asm_operands): Likewise.
4324 * varasm.c (named_section): Likewise.
4326 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4328 Implement dwarf2 exception handling for the ARM.
4329 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4330 (DWARF_FRAME_RETURN_COLUMN): Define.
4331 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4332 REG_FRAME_RELATED_EXPR note.
4333 (emit_sfm): Likewise.
4334 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4335 * dwarf2out.c (reg_save): Handle saving a register to itself.
4336 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4337 * except.c (eh_regs): Don't use the static chain reg if it's
4339 * frame.h (frame_state): Add cfa_saved field.
4340 * frame.c (execute_cfa_insn): Set it.
4341 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4343 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4345 (instantiate_virtual_regs): Adjust.
4347 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4348 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4349 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4351 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4352 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4354 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4356 * builtins.def: New file.
4358 * Makefile.in (TREE_H): Depend on builtins.def.
4360 * builtins.c (built_in_names): Use builtins.def.
4362 * tree.h (built_in_function): Likewise.
4364 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4366 * tree.c (size_in_bytes): Return size_zero_node, not
4369 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4371 * config/fp-bit.c (pack_d): Correct the case when a denormal
4372 is rounded up and stops being denormal.
4374 2000-03-21 Richard Henderson <rth@cygnus.com>
4376 * config/alpha/alpha.c (function_arg): Check for void_type_node
4377 before using MUST_PASS_IN_STACK.
4379 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4381 * regmove.c (combine_stack_adjustments_for_block): Check that
4382 the stack pointer is a valid memory address.
4384 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4386 * calls.c: re-install Mar 16 emit_library_call merge.
4388 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4390 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4391 we cannot be sure that if reload_completed base register will
4392 be properly aligned.
4394 2000-03-21 Richard Henderson <rth@cygnus.com>
4396 * flow.c (delete_block): Fix typo last change.
4398 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4400 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4401 not COMPLETE_TYPE_P, to check the type of the expression.
4403 2000-03-21 Michael Meissner <meissner@redhat.com>
4405 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4406 all floating point insns that just tested the macro
4407 TARGET_HAS_XFLOATING_LIBS.
4408 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4409 used to only use the gprs.
4411 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4413 * tree.h (COMPLETE_TYPE_P): New macro.
4414 (COMPLETE_OR_VOID_TYPE_P): New macro.
4415 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4416 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4417 * c-aux-info.c (gen_type): Use them.
4418 * c-common.c (c_expand_expr_stmt): Likewise.
4419 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4420 grokdeclarator, grokparms, finish_struct, start_function,
4421 store_parm_decls, combine_parm_decls): Likewise.
4422 * c-parse.y (cast_expr): Likewise.
4423 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4424 c_size_in_bytes, c_alignof, build_component_ref,
4425 build_indirect_ref, build_array_ref, convert_arguments,
4426 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4427 * calls.c (initialize_argument_information): Likewise.
4428 * convert.c (convert_to_integer): Likewise.
4429 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4430 * dwarfout.c (location_or_const_value_attribute,
4431 output_enumeration_type_die, output_structure_type_die,
4432 output_union_type_die, output_type): Likewise.
4433 * expr.c (safe_from_p, expand_expr): Likewise.
4434 * function.c (assign_parms): Likewise.
4435 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4436 * tree.c (build_array_type, build_function_type,
4437 build_method_type, build_offset_type, build_complex_type): Likewise.
4438 * c-parse.c, c-parse.h: Regenerated.
4440 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4442 * config/c4x/rtems.h: Include config/rtems.h.
4444 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4446 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4447 decl is a FUNCTION_DECL
4449 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4451 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4452 function uses output registers. Don't save RP for leaf functions.
4453 Do save RP even if no epilogue.
4454 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4455 (CALL_USED_REGISTERS): Unmark in registers.
4456 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4459 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4461 * config/rs6000/rs6000.md (bunordered): New expander.
4462 (bordered): New expander.
4463 (buneq): New expander.
4464 (bunge): New expander.
4465 (bungt): New expander.
4466 (bunle): New expander.
4467 (bunlt): New expander.
4468 (bltgt): New expander.
4470 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4471 (ccr_bit_negated_p): New function.
4472 (print_operand): For %C, generate appropriate cror for UNEQ,
4473 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4475 2000-03-20 Andreas Jaeger <aj@suse.de>
4477 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4480 * tree.h (safe_for_unsave): Prototype.
4482 2000-03-20 Richard Henderson <rth@cygnus.com>
4484 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4485 (combine_stack_adjustments_for_block): Don't allow sp references
4486 in the side of a set we're not fixing up.
4487 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4488 after life_analysis.
4490 2000-03-20 Richard Henderson <rth@cygnus.com>
4492 * calls.c (expand_call): Don't bother generating tail call
4493 sequences if there are pending cleanups. Use
4494 expand_start_target_temps/expand_end_target_temps to elide
4495 cleanups created during sibcall expansion.
4497 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4499 * configure.in: Set $IFS to a value if it doesn't already have one
4500 in the --enable-checking handling.
4501 * configure: Regenerate.
4503 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4505 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4506 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4509 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4511 * jump.c (delete_noop_moves): Remove code attempting to
4512 combine stack adjustments.
4514 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4516 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4517 * except.c (emit_cleanup_handler): Use them.
4518 (expand_end_all_catch): Likewise.
4519 * function.c (fixup_var_refs): Likewise.
4520 (expand_function_end): Clear catch_clauses_last.
4521 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4522 * except.h (struct eh_status): New field x_catch_clauses_last.
4523 (catch_clauses_last): New define.
4525 * Makefile.in (tree.o): Depend on HASHTAB_H.
4526 * tree.c: Include hashtab.h.
4527 (struct type_hash): Remove next field.
4528 (TYPE_HASH_SIZE): Remove.
4529 (TYPE_HASH_INITIAL_SIZE): New define.
4530 (type_hash_table): Change type to htab_t.
4531 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4532 mark_hash_entry): New functions.
4533 (init_obstacks): Allocate type hash.
4534 (type_hash_lookup): Use htab functions.
4535 (type_hash_add, mark_type_hash): Likewise.
4536 (dump_tree_statistics): Call print_type_hash_statistics.
4538 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4540 * rs6000/t-aix41: New file.
4542 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4544 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4546 * tm.texi (Driver): Fix typos and tweak entry for
4548 Move misplaced STRUCT_FORCE_BLK entry ...
4549 (Storage Layout): ... to here.
4550 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4552 2000-03-19 Richard Henderson <rth@cygnus.com>
4554 * flow.c (delete_block): Delete the addr_vec along with the block.
4555 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4558 * fold-const.c (extract_muldiv): Apply type check for defined
4559 overflow to multiply as well as divide.
4561 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4563 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4565 * emit-rtl.c (remove_unncessary_notes): Check that all
4566 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4567 associated NOTE_BLOCK.
4568 * function.h (identify_blocks): Update comments.
4569 (reorder_blocks): Declare.
4570 * function.c (identify_blocks): Don't take paramters.
4571 (reorder_blocks): Don't take parameters.
4572 * loop.h (find_loop_tree_blocks): Remove.
4573 (unroll_block_trees): Likewise.
4574 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4575 reorder_blocks instead of unroll_block_trees.h
4576 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4577 * stmt.c (find_loop_tree_blocks): Remove.
4578 (unroll_block_trees): Likewise.
4579 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4580 in whole-function mode.
4581 * tree.h (reorder_blocks): Remove declaration.
4583 * expr.c: Include intl.h.
4584 * Makefile.in (expr.o): Depend on intl.h.
4586 2000-03-18 Richard Henderson <rth@cygnus.com>
4588 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4590 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4592 * tree.h (tree_index): Remove enumerals for integer types.
4593 (integer_type_kind): New type.
4594 (integer_types): New variable.
4595 (char_type_node): Adjust.
4596 (signed_char_type_node): Likewise.
4597 (unsigned_char_type_node): Likewise.
4598 (short_integer_type_node): Likewise.
4599 (short_unsigned_type_node): Likewise.
4600 (integer_type_node): Likewise.
4601 (unsigned_type_node): Likewise.
4602 (long_integer_type_node): Likewise.
4603 (long_unsigned_type_node): Likewise.
4604 (long_long_integer_type_node): Likewise.
4605 (long_long_unsigned_type_node): Likewise.
4606 * tree.c (integer_types): New variable.
4607 (init_obstacks): Register it as a root.
4609 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4611 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4612 NEXT_INSN. Update last insn in chain.
4614 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4616 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4617 with TYPE_DECL_SUPPRESS_DEBUG set.
4619 2000-03-18 Richard Henderson <rth@cygnus.com>
4621 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4623 2000-03-18 Richard Henderson <rth@cygnus.com>
4625 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4626 care for HALF_PIC_P.
4627 (expander_call_insn_operand): Remove.
4628 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4629 * i386.h (PREDICATE_CODES): Update.
4630 * i386.md (all call expanders): Remove predicates, remove special
4631 handling for half-pic.
4632 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4633 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4634 (sibcall_epilogue): New.
4636 2000-03-17 Richard Henderson <rth@cygnus.com>
4638 * rtlanal.c (single_set): Reject if the parallel has anything
4639 except SET or USE or CLOBBER.
4641 2000-03-17 Jeff Law <law@cygnus.com>
4642 Richard Henderson <rth@cygnus.com>
4644 * Makefile.in (OBJS): Add sibcall.o.
4646 * sibcall.c: New file.
4647 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4648 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4649 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4650 Emit sibcall patterns when requested. Update all callers.
4651 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4652 elimination seems feasable.
4653 * final.c (leaf_function_p): Sibling calls don't discount being
4655 * flow.c (HAVE_sibcall_epilogue): Provide default.
4656 (find_basic_blocks_1): Sibling calls don't throw.
4657 (make_edges): Make edge from sibling call to EXIT.
4658 (propagate_block): Don't remove sibcall_epilogue insns.
4659 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4660 (sibcall_epilogue): New.
4661 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4662 (identify_blocks_1): Likewise. Break out from ...
4663 (identify_blocks): ... here.
4664 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4665 (reorder_blocks): ... here.
4666 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4667 (record_insns): Extend a varray instead of mallocing new memory.
4668 (contains): Read a varray not array of ints.
4669 (sibcall_epilogue_contains): New.
4670 (thread_prologue_and_epilogue_insns): Emit and record
4671 sibcall_epilogue patterns.
4672 (init_function_once): Allocate prologue/epilogue varrays.
4673 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4674 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4676 (save_for_inline_nocopy): ... here.
4677 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4679 (expand_inline_function): ... here.
4680 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4681 (subst_constants): Handle 'n' formats.
4682 * jump.c (jump_optimize_minimal): New.
4683 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4684 optimizations if it's set.
4685 * rtl.c (copy_rtx): Do copy jump & call for insns.
4686 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4687 (SIBLING_CALL_P): New.
4688 (sibcall_use_t): New.
4689 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4690 Invoke optimize_sibling_and_tail_recursive_calls.
4691 * tree.c (lang_safe_for_unsave): New.
4692 (safe_for_unsave): New.
4693 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4695 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4696 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4697 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4699 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4701 * objc/objc-act.c (encode_method_prototype): Pass types, not
4702 PARM_DECLs, to int_size_in_bytes.
4704 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4706 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4708 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4709 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4711 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4713 * Clean up usages of TREE_INT_CST_LOW.
4714 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4715 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4717 * c-tree.h (min_precision): Move declaration to here.
4718 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4719 (build_unary_op, add_pending_init): Use bit_position.
4720 (pending_init_member, process_init_element): Likewise.
4721 (really_start_incremental_init, push_init_level, pop_init_level):
4722 Don't make copies of nodes or modify them in place, use consistent
4723 types when tracking positions, and use tree routines computations.
4724 (set_init_index, output_init_element): Likewise.
4725 (output_pending_init_elements, process_init_element): Likewise.
4726 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4727 tree_low_cst and int_bit_position; also minor cleanup.
4728 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4729 (print_cst_octal): Precision is unsigned.
4730 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4731 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4732 (simple_type_align_in_bits): Result is unsigned int.
4733 Use tree_int_low_cst and host_integerp.
4734 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4735 (field_byte_offset): Result is HOST_WIDE_INT.
4736 Change types of internal variables so alignments are unsigned int,
4737 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4738 Use host_integerp, tree_low_cst, and int_bit_position.
4739 (add_bit_offset_attribute): Likewise.
4740 (add_data_member_location_attribute): Use tree_cst_low.
4741 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4742 (add_bit_size_attribute): Use tree_low_cst.
4743 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4744 * dwarfout.c: Similar changes to dwarf2out.c.
4745 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4746 * genoutput.c (n_occurences): Return -1 for null string.
4747 (strip_whitespace): Accept null string and make into function.
4748 (scan_operands): Reflect above changes.
4749 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4750 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4751 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4752 * tree.c (int_size_in_bytes): Check for too big to represent.
4753 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4754 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4756 (min_precision): Delete from here.
4757 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4758 and int_bit_position.
4759 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4760 (encode_method_def): Likewise.
4761 (build_ivar_list_initializer): Use int_bit_position.
4762 (generate_shared_structures): Convert size.
4763 (encode_type, encode_complete_bitfield): Use integer_zerop.
4764 (encode_bitfield): Use tree_low_cst and int_bit_position.
4766 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4768 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4770 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4772 * call.c (special_function_p): It is only malloc if it returns
4775 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4777 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4778 (C33_FLAG, TARGET_C3X): Add macros.
4779 (TARGET_SWITCHES): Add -m33 option.
4780 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4782 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4784 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4785 (PARALLEL_PACK_FLAG): Delete.
4786 (TARGET_SWITCHES): Update.
4787 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4789 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4791 * fold-const.c (fold): Fix a few cases when the returned result
4792 is not of the same type as the input.
4794 2000-03-16 Nick Clifton <nickc@cygnus.com>
4796 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4799 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4801 * libgcc2.h: Move prototypes above macros with the same name.
4802 Wrap some function prototypes in the conditional which indicates
4803 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4805 2000-03-16 Richard Henderson <rth@cygnus.com>
4807 * calls.c: Revert last two changes.
4809 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4811 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4812 has exponent 0 is a zero.
4814 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4815 HASH may already be nonzero. Add code/mode into hash value
4816 immediately after repeat label.
4817 (cselib_lookup): Don't leave the hash table in an inconsistent
4818 state before a hash lookup operation.
4820 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4822 * i386.md (all HI and QI mode non-move patterns): Conditionize
4823 by TARGET_[HQ]IMODE_MATH.
4824 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4825 x86_promote_qi_regs): Declare.
4826 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4827 TARGET_PROMOTE_QI_REGS): New macros.
4828 (PROMOTE_MODE): New macro.
4829 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4830 x86_promote_qi_regs): New global variables.
4832 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4834 * calls.c (emit_library_call_value_1): Break out from ...; handle
4835 VOIDmode function calls too.
4836 (emit_library_call_value): ... here.
4837 (emit_library_call): Implement by calling emit_library_call_value_1.
4839 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4841 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4842 Update arg_space_so_far on stack adjustments.
4843 (emit_library_call, emit_library_call_value): Likewise; take into
4844 account arg_space_so_far and pending_stack_adjust when calculcating
4847 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4849 * flow.c: Move all basic block reordering code into its own file.
4850 (create_basic_block): Externalize.
4851 * bb-reorder.c: New file. Copy all basic block reordering code from
4852 flow.c to this file.
4853 (reorder_basic_blocks): Fix fencepost error in for-loop.
4854 (reorder_basic_blocks): Remove braces from single statement for-loops.
4855 * basic-block.h: Add declaration for create_basic_block.
4856 * Makefile.in: Add rules for bb-reorder.o.
4858 2000-03-16 Neil Booth <NeilB@earthling.net>
4860 * cppinit.c (handle_option): Implement #unassert directive
4861 as -A- command line option.
4862 (print_help): Update.
4863 * cpptexi.c: Update.
4865 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4867 * md.texi (Standard Names): Document `jump'.
4869 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4871 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4874 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4876 Merge changes from newppc-branch onto trunk.
4878 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4880 * rs6000.c (toc_hash_table): Update for new hash table functions.
4881 (toc_hash_function): Likewise.
4882 (toc_hash_eq): Likewise.
4883 (toc_hash_mark_entry): Likewise.
4884 (toc_hash_mark_table): Likewise.
4885 (output_toc): Likewise.
4886 (rs6000_add_gc_roots): Likewise.
4888 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4890 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4891 (AR_FLAGS_FOR_TARGET): here. New macro.
4893 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4895 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4896 fpmem_operand) Delete.
4898 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4899 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4900 (rs6000_save_machine_status, rs6000_restore_machine_status,
4901 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4902 references to above variables.
4903 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4904 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4905 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4906 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4907 (XER_REGNO_P, XER_REGNO): New.
4908 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4909 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4910 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4912 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4913 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4914 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4916 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4918 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4919 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4920 * rs6000.h: from here.
4922 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4923 (rs6000_select_rtx_section): Likewise.
4924 (rs6000_encode_section_info): Likewise.
4925 (sdata_section): Likewise.
4926 (sdata2_section): Likewise.
4927 (sbss_section): Likewise.
4928 * sysv4.h (rs6000_select_section): Delete prototype.
4929 (rs6000_select_rtx_section): Likewise.
4930 (rs6000_encode_section_info): Likewise.
4931 (sdata_section): Likewise.
4932 (sdata2_section): Likewise.
4933 (sbss_section): Likewise.
4934 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4936 * sysv4.h: Delete various unnecessary #undef's and put a comment
4937 on the remaining ones.
4938 Change various comments according to coding standard.
4940 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4942 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4943 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4944 (CR0_REGNO_P) Remove.
4945 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4946 setup_incoming_varargs, mtcrf_operation, print_operand,
4947 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4948 Use the above macros.
4950 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4952 * config/rs6000/rs6000.md: Added a new alternative for each
4953 pattern that had a 'x' alternative but no 'y' alternative.
4954 Added a new split for each of the above patterns.
4956 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4958 * aix41.h (ASM_CPU_SPEC): Delete.
4959 (CPP_CPU_SPEC): Delete.
4961 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4962 (ASM_OUTPUT_LABEL): Define.
4963 (ASM_GLOBALIZE_LABEL): Define.
4964 (STRIP_NAME_ENCODING): Define.
4965 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4966 (STRIP_NAME_ENCODING): Don't define.
4967 (ASM_OUTPUT_LABEL): Don't define.
4968 (ASM_GLOBALIZE_LABEL): Don't define.
4969 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4970 names, and ASM_OUTPUT_LABEL to output labels, rather than
4972 (ASM_OUTPUT_LABEL): Define.
4973 (ASM_OUTPUT_INT): Use assemble_name.
4974 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4975 (STRIP_NAME_ENCODING): Don't undefine first.
4976 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4978 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4979 specified with 'asm' even with -fleading-underscore.
4980 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4981 (output_epilog): Likewise.
4982 (output_toc): Likewise.
4983 * tramp.asm: Handle -fleading-underscore correctly.
4985 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4987 (nonlocal_goto_receiver): Delete.
4988 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4990 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4991 (SET_ASM_OP): Define.
4992 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4994 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4997 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4998 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5000 * rs6000.h: Add 'u' to more constants.
5002 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5004 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5006 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5008 * rs6000.c (reg_or_u_cint_operand): New function.
5009 (logical_operand): Handle 64-bit hosts.
5010 (logical_u_operand): New function.
5011 (non_logical_cint_operand): Handle 64-bit hosts.
5012 (non_logical_u_cint_operand): New function.
5013 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5014 (PREDICATE_CODES): Define new functions.
5015 * rs6000-protos.h: Declare new functions.
5016 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5017 (movdi_64): Bracket code intended for 64-bit hosts. Create
5018 CONST_DOUBLE for 32-bit values.
5019 (scc insns): Generate DImode compares.
5020 (mfcr insns): Create DImode versions.
5021 (sge matchers): New patterns.
5023 2000-02-15 Gabriel Paubert <paubert@iram.es>
5025 * rs6000.md: Correct instructions length attributes and
5026 constraints on unsigned compare instructions.
5027 (*ne0): Disable for PowerPC64.
5029 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5031 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5032 quantity, fix profile1.C test failure under -fPIC.
5034 * rs6000.c: Add 'u' to many constants to suppress warnings.
5035 (constant_pool_expr_1): Make static.
5036 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5037 * rs6000.h: Add 'u' to many constants to suppress warnings.
5039 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5040 for the start of the TOC, instead of LCTOC..0.
5041 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5043 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5044 (load_toc_aix_di): Use LCTOC..1.
5046 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5047 * rs6000.c (rs6000_legitimize_address): New function from
5048 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5049 symbols in the constant pool that really are TOC references.
5050 (print_operand_address): For ELF, write TOC offsets under
5051 -fPIC as subtractions in the insn.
5052 (output_toc): For ELF, define symbols in TOC as normal labels,
5054 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5055 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5056 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5057 * rs6000.md (movsi): Only use create_TOC_reference on
5058 symbols in the constant pool that really are TOC references.
5060 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5061 * rs6000.c (rs6000_reorg): Delete.
5062 * rs6000-protos.h (rs6000_reorg): Delete.
5064 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5066 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5068 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5069 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5070 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5071 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5072 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5073 rs6000_aix_emit_builtin_unwind_init.
5074 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5075 rs6000_emit_eh_toc_restore on AIX.
5076 (return_eh_si): Use r2.
5077 (return_eh_di): Use r2.
5079 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5080 since we're breaking binary compatibility anyway.
5082 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5084 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5085 constant_pool_expr_p): Declare them.
5086 (constant_pool_expr_p): Declare it.
5087 * config/rs6000/rs6000.c (toc_label_name): Define.
5088 (rs6000_override_options): Set toc_label_name.
5089 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5090 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5091 uses_TOC): New functions.
5092 (print_operand): Delete old '*' case.
5093 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5094 and strip off rtl for TOC before calling output_addr_const.
5095 (rs6000_emit_load_toc_table): Use toc_label_name.
5096 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5098 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5099 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5100 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5101 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5102 into explicit TOC_REGISTER offsets.
5103 (TOC_REGISTER): New macro.
5104 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5105 TARGET_TOC to reference TOC_REGISTER.
5106 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5107 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5108 uses_TOC before emitting label references.
5110 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5112 * rs6000.md (stack_tie): Fix warning.
5114 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5115 to handle -fleading-underscore.
5116 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5117 (USER_LABEL_PREFIX): New macro.
5118 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5119 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5120 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5121 call-linux can use the same multilibs.
5122 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5123 and call-linux multilibs. Do multilib with -fleading-underscore.
5124 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5125 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5128 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5129 have MASK_SOFT_FLOAT set.
5130 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5131 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5132 CPP_FLOAT_DEFAULT_SPEC.
5134 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5135 * rs6000.md: Whitespace change.
5136 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5137 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5139 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5141 * rs6000.md (eh_epilogue): New expander.
5142 (eh_reg_restore): New expand/split/insn combination.
5143 (return_eh_si): New insn.
5144 (return_eh_di): New insn.
5146 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5147 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5148 * eabi-ctors.c (__do_global_ctors): Register this object's
5149 frame. Clean up. Call atexit() after the constructors.
5150 (__do_global_dtors): Deregister this object's frame. Clean up.
5151 Allow for recursive calls to exit().
5152 * rs6000.c (fixuplabelno): New variable.
5153 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5154 TARGET_RELOCATABLE, it slows down exec() under linux.
5155 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5157 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5158 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5159 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5160 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5161 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5162 (ASM_OUTPUT_DWARF_ADDR): New macro.
5163 (ASM_OUTPUT_DWARF_DATA4): New macro.
5164 (ASM_OUTPUT_DWARF_DATA2): New macro.
5165 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5166 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5167 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5169 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5171 * rs6000.c (rs6000_sr_alias_set): New variable.
5172 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5173 (rs6000_emit_stack_tie): New function.
5174 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5175 in a way that dwarf2out can understand.
5176 (rs6000_frame_related): New function.
5177 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5178 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5179 Use rs6000_emit_stack_tie when needed.
5180 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5181 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5182 * rs6000.md (stack_tie): New insn.
5183 (return_internal_si): Allow return value to be in the count
5185 (return_internal_di): Likewise.
5187 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5189 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5191 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5193 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5195 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5197 * rs6000.md (stmw): Use the right POWER opcode.
5200 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5202 * rs6000-protos.h: New file.
5204 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5206 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5209 * sysv4.h: Likewise.
5211 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5213 * ../../configure.in: Delete powerpcle-*-winnt*
5214 and powerpcle-*-pe|powerpcle-*-cygwin*.
5215 * ../../configure: Regenerated.
5217 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5218 (TARGET_WINDOWS_NT): Delete.
5220 (CALL_NT_DLLIMPORT): Delete.
5221 Delete NT-specific code.
5222 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5225 * nt-ci.asm: Delete.
5226 * nt-cn.asm: Delete.
5227 * ntstack.asm: Delete.
5229 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5231 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5232 (ASM_FILE_START): Likewise.
5233 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5234 (ASM_OUTPUT_LABELREF): Likewise.
5235 (ASM_OUTPUT_SKIP): Likewise.
5236 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5237 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5238 (ASM_OUTPUT_CASE_LABEL): Likewise.
5239 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5240 (ASM_OUTPUT_ASCII): Likewise.
5242 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5244 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5245 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5246 increment rs6000_pic_labelno here.
5247 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5248 and increment rs6000_pic_labelno here.
5250 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5252 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5253 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5254 allocation knows (reg) is dead before the insn.
5256 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5258 * rs6000.md (movsi_to_cr): Correct typo in output template.
5260 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5262 * rs6000.c (rs6000_pic_labelno): Always define.
5263 (rs6000_pic_func_labelno): Delete.
5264 (lmw_operation): Check for a zero base register,
5265 which doesn't mean what we want.
5266 (stmw_operation): New function.
5267 (print_operand): Define new 'l' modifier.
5268 (rs6000_stack_info): We must save all 64 bits of the registers
5269 if TARGET_POWERPC64.
5270 (rs6000_output_load_toc_table): Delete.
5271 (rs6000_emit_load_toc_table): New function.
5272 (rs6000_allocate_stack_space): Delete.
5273 (rs6000_emit_allocate_stack): New function.
5274 (rs6000_emit_prologue): New function.
5275 (output_prolog): Use rs6000_emit_prologue.
5276 (rs6000_emit_epilogue): Change a few variable names to be
5277 more accurate. Restore all 64 bits of the registers if
5278 TARGET_POWERPC64. Only restore the FP registers which were used
5279 if they are being saved/restored one-at-a-time.
5280 (output_mi_thunk): Delete inefficient code generation.
5281 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5282 * rs6000.h: Declare rs6000_emit_load_toc_table,
5283 rs6000_allocate_stack_space, stmw_operation. Don't declare
5284 rs6000_output_load_toc_table.
5285 * rs6000.md (elf_high): Allow register 0, but discourage it
5287 (elf_low): Support loading into register 0.
5288 (load_toc_aix_si): New pattern.
5289 (load_toc_aix_di): New pattern.
5290 (load_toc_v4_pic_si): New pattern.
5291 (load_toc_v4_pic_di): New pattern.
5292 (load_toc_v4_PIC_1): New pattern.
5293 (load_toc_v4_PIC_1b): New pattern.
5294 (load_toc_v4_PIC_2): New pattern.
5295 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5296 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5297 (prologue): New expander.
5298 (movesi_from_cr): New pattern.
5299 (stmw): New pattern.
5300 (save_fpregs_si): New pattern.
5301 (save_fpregs_di): New pattern.
5303 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5305 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5310 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5312 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5314 (movsi_got_internal): Likewise.
5315 (movsi_got_internal+1): Likewise.
5316 (set_sp): 'unspec 7' does a SImode clobber.
5318 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5320 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5321 allocate a stack temporary.
5322 (floatsidf2_internal): Likewise.
5323 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5325 (floatunssidf2): Don't use the fpmem "register", just
5326 allocate a stack temporary.
5327 (floatunssidf2_internal): Likewise.
5328 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5330 (floatsidf2_loadaddr): Delete.
5331 (floatsidf2_store1): Delete.
5332 (floatsidf2_store2): Delete.
5333 (floatsidf2_load): Delete.
5334 (fix_truncdfsi2): Don't use the fpmem "register", just
5335 allocate a stack temporary.
5336 (fix_truncdfsi2_internal_si): Delete.
5337 (fix_truncdfsi2_internal_di): Delete.
5338 (fix_truncdfsi2_internal): New insn.
5339 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5340 (fix_truncdfsi2_store): Delete.
5341 (fix_truncdfsi2_load): Delete.
5342 (fctiwz): Produce gen_fctiwz.
5344 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5346 * eabi.h (INVOKE__main): Define.
5347 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5349 (rs6000_emit_prologue): Likewise.
5350 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5351 this is the main program.
5353 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5355 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5357 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5359 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5360 goes after the argument.
5362 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5364 * rs6000.md: Document 'unspec' values used.
5365 (epilogue): New expander.
5366 (movesi_to_cr_one): New expander.
5367 (movesi_to_cr and following): New pattern.
5369 (return_internal_si): New pattern.
5370 (return_internal_di): New pattern.
5371 (return_and_restore_fpregs_si): New pattern.
5372 (return_and_restore_fpregs_di): New pattern.
5373 * rs6000.h: Declare new functions.
5374 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5375 rather than rs6000_calls_p.
5376 (rs6000_makes_calls): Delete.
5377 (lmw_operation): New function.
5378 (mtcrf_operation): New function.
5379 (rs6000_emit_epilogue): New function.
5380 (output_epilog): Call rs6000_emit_epilogue and final if
5381 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5383 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5385 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5386 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5387 * aix.h (SUBTARGET_SWITCHES): Document switches.
5388 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5389 sched-prolog and sched-epilog the same. Document all the
5391 (TARGET_OPTIONS): No longer allow -mdebug-.
5393 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5395 * rs6000.h (ASM_FILE_END): Move to aix.h.
5396 (EXTRA_SECTIONS): Move to aix.h.
5397 (READONLY_DATA_SECTION): Move to aix.h.
5398 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5399 (SELECT_SECTION): Move to aix.h.
5400 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5401 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5402 (LINK_REGISTER_REGNUM): New definition.
5403 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5404 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5406 * sysv4.h: Delete the code between the inclusion of rs6000.h
5408 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5409 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5410 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5411 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5412 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5413 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5414 (fix_truncdfsi2_internal_di): New pattern.
5415 (fix_truncdfsi2_store): The second arg here is Pmode too.
5416 (fix_truncdfsi2_load): The second arg here is Pmode too.
5417 (tablejumpdi): Now that switch tables hold only SImode values,
5418 gcc needs to know how to add them to the pc which is DImode.
5419 * rs6000.c (rs6000_stack_info): Use symbolic name for
5420 LINK_REGISTER_REGNUM.
5421 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5422 (output_toc): Delete unused variables s1 and s2.
5423 (output_ascii): Use fputs not fprintf on a variable string.
5425 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5427 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5428 * aix43.h: Revert Aug 2 change.
5429 (HAS_INIT_SECTION): Define, not visible yet.
5430 (LD_INIT_SWITCH): Define, not visible yet.
5431 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5433 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5435 * config/rs6000/rtems.h: Include config/rtems.h.
5437 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5439 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5440 (SLOW_UNALIGNED_ACCESS): Define.
5441 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5442 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5443 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5444 (toc_section): Likewise and .toc pseudo-op.
5445 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5447 (TEXT_SECTION_ASM_OP): Likewise.
5448 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5451 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5453 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5454 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5457 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5459 * rs6000.h: Move more stuff from here...
5461 * sysv4.h: Cleanup accordingly.
5462 * netware.h: Likewise
5464 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5466 * rs6000.h: Continue cleanup.
5469 * netware.h: Likewise.
5471 * sysv4.h: Likewise.
5472 * win-nt.h: Likewise.
5474 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5475 (TARGET_OPTIONS): Likewise.
5477 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5478 (SUBTARGET_OPTIONS): Likewise.
5480 * rs6000.md: Fix compile time warnings.
5482 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5484 vxworks patches from the Cygnus tree originally by
5485 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5486 <vmakarov@cygnus.com>.
5487 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5488 (ENDFILE_SPEC): Likewise.
5489 (LIB_VXWORKS_SPEC): New macro.
5490 (STARTFILE_VXWORKS_SPEC): New macro.
5491 (ENDFILE_VXWORKS_SPEC): New macro.
5492 (LINK_START_VXWORKS_SPEC): New macro.
5493 (LINK_OS_VXWORKS_SPEC): New macro.
5494 (CPP_OS_VXWORKS_SPEC): New macro.
5495 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5496 * vxppc.h: Rewrite to use proper configuration method.
5497 * vxppcle.h: New file.
5498 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5499 * ../../configure: Rebuilt.
5501 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5503 Lots of changes to rs6000.h, sysv4.h, aix.h,
5504 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5505 with the aim that rs6000.h is the first header
5506 included and the others override it.
5509 * x-aix41-gld: Remove.
5511 * x-aix41: Remove target-specific switches, and don't specify
5512 -Wl,-bbigtoc as we don't need it any more.
5513 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5514 Use t-aix43 for AIX 4.3 and above.
5515 * ../../configure: Regenerated.
5517 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5518 options, that don't do anything yet.
5519 (MASK_SCHED_PROLOG): New macro.
5520 (MASK_SCHED_EPILOG): New macro.
5521 (TARGET_SCHED_PROLOG): New macro.
5522 (TARGET_SCHED_EPILOG): New macro.
5524 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5526 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5527 one per translation unit, not one per function.
5528 (output_toc): Also do duplicate constant elimination
5529 for per-translation-unit TOCs.
5531 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5532 a comment explaining _exactly_ when this pattern gets used.
5533 (builtin_setjmp_receiver): New pattern for better clarity.
5534 (init_v4_pic): Move it into a section dealing with TOC registers.
5536 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5538 * rs6000.c (toc_hash_table): New variable.
5539 (rs6000_hash_constant): New function.
5540 (toc_hash_function): New function.
5541 (toc_hash_eq): New function.
5542 (toc_hash_mark_entry): New function.
5543 (toc_hash_mark_table): New function.
5544 (output_toc): Don't output duplicate TOC entries in
5546 (rs6000_add_gc_roots): Add the hash table as a GC root.
5547 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5548 where they clearly shouldn't be. This may need to be fixed
5549 later when there is a GNU ar for AIX.
5550 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5551 Don't define BOOT_LDFLAGS as it is now not necessary.
5553 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5555 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5556 for va_list on AIX. Use unsigned_char_type_node rather than
5557 constructing our own version on svr4.
5559 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5561 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5562 since patently it's not.
5564 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5566 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5567 define_expand/define_insn pair, and handle restore of the
5568 SVR4 -fpic register.
5570 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5572 * acconfig.h (HAVE_GAS_WEAK): New define.
5573 * configure.in (assembler weak support): Check for .weak support.
5574 * config.in, configure: Rebuilt.
5575 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5576 HAVE_GAS_WEAK is defined.
5578 2000-03-15 Nick Clifton <nickc@cygnus.com>
5580 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5583 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5585 * cppfiles.c (open_include_file): New function.
5586 (find_include_file, cpp_read_file): Use it.
5588 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5590 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5592 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5594 * flow.c (verify_flow_info): Check for unconditional return.
5596 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5598 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5599 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5600 (__ia64_restore_stack_nonlocal): New.
5601 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5603 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5605 * cpphash.c (collect_formal_parameters): Do not complain about
5606 parameter names that just start with `__VA_ARGS__'.
5608 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5610 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5611 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5612 * i386.c (pentiumpro_cost): Set mul cost to 4.
5613 (x86_use_movx): Set for PPro.
5615 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5617 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5618 STACK_BOUNDARY for empty frames now.
5620 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5622 * stor-layout.c (layout_union): Remove.
5623 (layout_union_field): New function, split out from layout_union.
5624 (finish_union_layout): Likewise.
5625 (layout_field): Handle unions by calling layout_union_field.
5626 (finish_record_layout): Handle unions.
5627 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5628 QUAL_UNION_TYPE handling.
5630 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5632 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5633 end of basic block is jump_insn, not barrier; use create_basic_block
5634 instead of creating basic block by hand.
5636 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5638 * flow.c (reorder_basic_blocks): Account for barriers when writing
5639 over NEXT_INSN (last_bb->end).
5640 (verify_flow_info): Add check for missing barriers.
5642 2000-03-14 Greg McGary <gkm@gnu.org>
5644 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5645 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5646 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5647 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5648 __unbounded, __unbounded__): New keywords.
5649 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5650 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5651 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5653 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5655 * cselib.h: New file.
5656 * alias.c: Include "cselib.h".
5657 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5658 MEMs as two new arguments.
5659 (get_addr): New static function.
5660 (find_base_term): Handle VALUEs.
5661 (memrefs_conflict_p): Likewise.
5662 (true_dependence): Call get_addr on the addresses.
5663 Call fixed_scalar_and_varying_struct_p with addresses that have been
5664 passed through get_addr and canon_rtx.
5665 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5666 with true_dependence.
5667 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5668 * loop.c: Include "cselib.h".
5669 (load_mems): Process extended basic block that enters the loop with
5670 cselib. Use that information to change initialization of the shadow
5671 register so that a constant equivalence is seen by later passes.
5672 * reload1.c: Include "cselib.h".
5673 (reload_cse_invalidate_regno): Delete function.
5674 (reload_cse_mem_conflict_p): Likewise.
5675 (reload_cse_invalidate_mem): Likewise.
5676 (reload_cse_invalidate_rtx): Likewise.
5677 (reload_cse_regno_equal_p): Likewise.
5678 (reload_cse_check_clobber): Likewise.
5679 (reload_cse_record_set): Likewise.
5680 (reg_values): Delete static variable.
5681 (invalidate_regno_rtx): Likewise.
5682 (reload_cse_delete_noop_set): New static function.
5683 (reload_cse_simplify): New static function, broken out of
5685 (reload_cse_noop_set_p): Delete unused argument INSN.
5686 Just call rtx_equal_for_cselib_p on set source and destination.
5687 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5688 reload_cse_delete_noop_set. Delete code to keep track of values; use
5689 cselib functions instead. Delete code to push/pop obstacks.
5690 (reload_cse_simplify_set): Use cselib to find equivalent values.
5691 Delete code to push/pop obstacks.
5692 (reload_cse_simplify_operands): Likewise.
5693 * rtl.def (VALUE): New rtx code.
5694 * rtl.h (union rtunion_def): New elt rt_cselib.
5695 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5696 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5697 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5698 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5699 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5700 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5701 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5702 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5703 cselib_record_set, cselib_record_sets): New static functions.
5704 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5705 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5706 references_value_p): New functions.
5707 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5708 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5709 n_useless_values, reg_values, callmem, cselib_obstack,
5710 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5711 New static variables.
5712 * varray.h (union varray_data_tag): New elt te.
5713 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5714 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5717 2000-03-14 Nick Clifton <nickc@cygnus.com>
5719 * gcc.c (do_spec_1): Catch the case where %* is used in a
5720 substitution pattern, but it has not been initialised.
5721 Issue a meaningful error message if an unrecognised operator
5722 is encountered in a spec string.
5724 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5726 * function.c (prepare_function_start): Correctly initialize
5727 cfun->stack_alignment_needed.
5729 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5731 * cppfiles.c (find_include_file): Don't assume nshort is a
5734 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5736 * configure.in (hppa configurations): Add pa32-regs.h to the
5737 list of tm files as appropriate.
5738 * configure: Rebuilt.
5739 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5741 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5742 (fmpyaddoperands, fmpysuboperands): Likewise.
5743 * pa.h: Remove various definitions which depend on knowing
5744 how registers are numbered.
5745 * pa32-regs.h: New file with PA32 register numbering specific
5748 2000-03-14 Richard Henderson <rth@cygnus.com>
5750 * regmove.c (combine_stack_adjustments): New.
5751 (stack_memref_p, single_set_for_csa): New.
5752 (free_csa_memlist, record_one_stack_memref): New.
5753 (try_apply_stack_adjustment): New.
5754 (combine_stack_adjustments_for_block): New.
5755 * rtl.h (combine_stack_adjustments): Declare.
5756 * toplev.c (rest_of_compilation): Call it.
5758 * i386.md: Revert 2000-01-16 change.
5760 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5762 * gccbug.in: Add web category, gcc specific classes.
5764 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5766 * stor-layout.c (finalize_record_size): Fix typo.
5768 2000-03-14 Stan Shebs <shebs@apple.com>
5770 * c-typeck.c (c_alignof): Error on incomplete types.
5771 * extend.texi (Alignment): Document this.
5773 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5775 * cppfiles.c: Include mkdeps.h.
5776 (find_include_file, read_include_file): Remove _cpp_ prefix
5777 from name, make static.
5778 (_cpp_execute_include): New function, broken out of
5781 * cpplib.c: Don't include mkdeps.h.
5782 (struct directive): Remove type field. Reorder entries. The
5783 function takes only one argument.
5784 (struct if_stack): Make type field an int.
5785 (directive_table): Rename to dtable. Generate it, the
5786 prototypes of the directive handlers, and the enum for the
5787 directive numbers, from a template macro.
5788 (do_ifndef, do_include_next, do_import): New functions.
5789 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5790 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5791 do_ident, do_assert, do_unassert, do_sccs): Take only one
5793 (do_sccs): Define always, but alter behavior based on
5795 (_cpp_handle_directive, consider_directive_while_skipping):
5796 Restructure for new directive table layout.
5798 (pass_thru_directive): Take a directive number, not a pointer
5799 to a struct directive.
5800 (parse_include): New function, broken out of do_include.
5801 (do_include, do_import, do_include_next): Use parse_include
5802 and _cpp_execute_include.
5803 (do_elif, do_else): Test for T_ELSE specifically when checking
5804 for #elif/#else after #else.
5805 (parse_ifdef): New function, broken out of do_ifdef.
5806 (validate_else): Expect a name arg without a leading #.
5807 (if_directive_name): Delete.
5808 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5809 directive handlers with only one argument.
5811 * cpphash.h: Update prototypes.
5812 (enum node_type): Remove entries for directives.
5813 * Makefile.in: Update dependencies.
5815 * cpphash.c (dump_hash_helper): Only dump nodes of type
5816 T_MACRO. Emit a newline after each definition.
5818 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5820 * gccbug.in: New file.
5821 * configure.in (all_outputs): Add gccbug.
5822 * Makefile.in (install-common): Install gccbug.
5823 (GCCBUG_INSTALL_NAME): New variable.
5824 * configure: Rebuilt.
5826 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5828 * function.c (put_var_into_stack): Use type_for_mode to calculate
5829 part_type. Use MEM_SET_IN_STRUCT_P.
5830 * expr.c (store_field): Handle CONCAT.
5831 (store_constructor): Use fields_length.
5832 * tree.c (fields_length): New fn.
5833 * tree.h: Declare it.
5835 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5837 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5838 (cpplex.o): New target.
5839 * po/POTFILES.in: Add cpplex.c.
5841 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5842 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5843 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5844 skip_block_comment, skip_line_comment, skip_comment,
5845 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5846 _cpp_parse_name, skip_string, parse_string,
5847 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5848 _cpp_get_directive_token, find_position,
5849 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5850 (maybe_macroexpand, _cpp_lex_token): New functions.
5852 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5853 parse_goto_mark): Delete.
5854 (_cpp_handle_eof): New function.
5855 (_cpp_handle_directive): Rename from handle_directive.
5856 (_cpp_output_line_command): Rename from output_line_command.
5857 (do_if, do_elif): Call _cpp_parse_expr directly.
5858 * cppfiles.c (_cpp_read_include_file): Don't call
5859 init_input_buffer here.
5860 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5861 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5862 here; pop the token_buffer and skip the rest of the line here.
5863 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5866 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5868 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5869 CPP_GOTO_MARK): New macros.
5870 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5871 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5872 _cpp_read_and_prescan, _cpp_init_input_buffer,
5873 _cpp_grow_token_buffer, _cpp_get_directive_token,
5874 _cpp_handle_directive, _cpp_handle_eof,
5875 _cpp_output_line_command): Prototype them here.
5876 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5877 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5878 quote_string, output_line_command): Remove.
5880 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5882 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5883 whether it is too large we must also verify that it isn't negative.
5885 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5887 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5888 (movsi_zero_liveg0): Remove.
5889 (movsf_insn_novis_liveg0): Remove.
5891 (negsi2_not_liveg0): Rename to negsi2.
5892 (one_cmplsi2): Remove.
5893 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5894 (one_cmplsi2_liveg0): Remove.
5895 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5896 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5897 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5898 (PREDICATE_CODES): Remove zero_operand.
5899 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5900 TARGET_BROKEN_SAVERESTORE.
5901 (zero_operand): Remove.
5902 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5903 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5905 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5906 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5907 TARGET_BROKEN_SAVERESTORE): Remove.
5908 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5910 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5912 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5915 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5917 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5919 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5920 truncating a string. Don't assume tokens are nul terminated.
5921 Problem noted by Andreas Jaeger <aj@suse.de>
5923 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5925 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5926 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5927 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5929 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5931 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5932 STRUCTURE_SIZE_BOUNDARY.
5934 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5936 * tree.h (record_layout_info_s): New structure.
5937 (record_layout_info): New type.
5938 (new_record_layout_info): New function.
5939 (layout_field): Likewise.
5940 (finish_record_layout): Likewise.
5941 * stor-layout.c (layout_record): Remove.
5942 (new_record_layout_info): New function.
5943 (layout_field): New function, broken out from layout_record.
5944 (finalize_record_size): Likewise.
5945 (compute_record_mode): Likewise.
5946 (finalize_type_size): New function, broken out from layout_type.
5947 (finish_record_layout): Likewise.
5948 (layout_type): Use them.
5950 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5952 * cpphash.c: Don't include version.h.
5953 (special_symbol) [case T_VERSION]: Look for the string in
5954 hp->value.cpval; don't use version_string.
5955 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5956 __VERSION__ to version_string.
5957 * Makefile.in (cpphash.o): Update deps.
5959 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5961 Convert cpplib to use libiberty/hashtab.c.
5963 * cpplib.h (struct cpp_reader): Make hashtab and
5964 all_include_files of type 'struct htab *'. Delete HASHSIZE
5965 and ALL_INCLUDE_HASHSIZE macros.
5967 * cpphash.h: Update prototypes.
5968 (struct hashnode): Remove next, prev, and bucket_hdr members.
5969 Make length a size_t. Add hash member.
5970 (struct ihash): Remove next member. Add hash member. Make
5971 name a flexible array member.
5973 * cppfiles.c: Include hashtab.h.
5974 (include_hash): Delete.
5975 (IHASHSIZE): New macro.
5976 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5977 (cpp_included): Do the hash lookup here.
5978 (_cpp_find_include_file): Rewrite.
5979 (cpp_read_file): Put the "fake" hash entry into the hash
5980 table. Honor the control_macro, if it turns out we've seen
5981 the file before. Don't push the buffer here.
5982 (_cpp_read_include_file): Push the buffer here.
5983 (OMODES): New macro. Use it whenever we call open(2).
5985 * cpphash.c: Include hashtab.h.
5986 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5987 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5988 _cpp_lookup_slot): New functions.
5989 (HASHSIZE): new macro.
5990 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5991 (_cpp_lookup): Use hashtab.h routines.
5993 * cppinit.c: Include hashtab.h.
5994 (cpp_reader_init): Call _cpp_init_macro_hash and
5995 _cpp_init_include_hash. Don't allocate hashtab directly.
5996 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5997 pfile->all_include_files.
5998 (initialize_builtins): Use _cpp_make_hashnode and
5999 htab_find_slot to add hash entries.
6000 (cpp_finish): Just call _cpp_dump_macro_hash.
6001 * cpplib.c: Include hashtab.h.
6002 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6003 create hash entries.
6004 (do_pragma_poison, do_assert): Likewise.
6005 (do_include): Don't push the buffer here. Don't increment
6006 system_include_depth unless _cpp_read_include_file succeeds.
6007 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6009 (do_pragma_implementation): Use alloca to create copy.
6011 * Makefile.in: Update dependencies.
6013 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6015 * cppinit.c (cl_directive_handler): More K&R fixing.
6017 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6019 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6021 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6023 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6025 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6026 Change from char[] to macros.
6028 2000-03-12 Neil Booth <NeilB@earthling.net>
6030 * cppinit.c (cpp_start_read): Update indirect function
6033 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6035 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6038 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6039 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6041 2000-03-11 Neil Booth <NeilB@earthling.net>
6043 * cppinit.c (struct pending option): Replace undef with a
6044 pointer to a directive handling routine.
6045 (struct cpp_pending): Replace separate assert_ and define_
6046 lists with one directive_ list.
6047 (new_pending_define): Rename new_pending_directive. Extra
6048 argument is the directive's handling routine.
6049 (handle_option): Update to use new_pending_directive.
6051 2000-03-11 Neil Booth <NeilB@earthling.net>
6053 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6054 remap_filename, _cpp_read_include_file, actual_directory,
6055 hack_vms_include_specification): Replace bcopy(), index() etc
6056 calls. Add casts to some allocations. Make some variables
6057 pointers to const [unsigned] char.
6058 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6059 collect_formal_parameters): Similarly.
6060 * cppinit.c (struct pending_option, append_include_chain,
6061 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6062 cpp_start_read, new_pending_define, handle_option): Similarly.
6063 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6064 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6065 do_pragma_implementation, detect_if_not_defined,
6066 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6067 do_assert, do_unassert): Similarly.
6068 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6069 function prototypes.
6070 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6072 2000-03-10 Richard Henderson <rth@cygnus.com>
6074 * builtins.c (expand_builtin_strlen): Revert last change.
6075 Use emit_insn_before if we're at the beginning of a sequence.
6077 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6079 * builtins.c (expand_builtin_strlen): Make sure that we have something
6080 at the beginning of the sequence.
6082 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6085 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6087 2000-03-10 Richard Henderson <rth@cygnus.com>
6089 * except.c (can_throw): Use INTVAL on a CONST_INT.
6090 (reachable_handlers): Likewise.
6091 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6093 2000-03-10 Andreas Jaeger <aj@suse.de>
6095 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6096 MD_STARTFILE_PREFIX since those are not needed on linux.
6097 (ASM_FILE_START): New, from mips/gnu.h.
6099 2000-03-09 Richard Henderson <rth@cygnus.com>
6100 Alex Samuel <samuel@codesourcery.com> and others
6102 * Makefile.in (ssa.o): New rule.
6104 (STAGESTUFF): Add *.ssa and *.ussa.
6105 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6106 * rtl.def (PHI): New RTL expression.
6107 * rtl.h (clear_log_links): New declaration.
6108 (convert_to_ssa): Likewise.
6109 (convert_from_ssa): Likewise.
6110 * flow.c (split_edge): If the entry node falls through to the
6111 split edge's source block, split the entry edge.
6112 (clear_log_links): New function.
6113 * toplev.c (ssa_dump): New variable.
6114 (flag_ssa): Likewise.
6115 (f_options): Add "ssa".
6116 (compile_file): Create SSA dump files.
6117 (rest_of_compilation): Go to and from SSA if enabled.
6118 (decide_d_option): Handle -de for SSA dump files.
6121 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6123 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6126 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6128 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6130 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6132 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6133 (MD_STARTFILE_PREFIX_1): New macro.
6135 2000-03-09 Robert Lipe <robertl@sco.com>
6137 * config/ia64/ia64.c: Include system.h.
6139 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6141 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6142 (init_eh_nesting_info): Likewise.
6144 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6145 (TREE_NOTHROW): Rename from TREE_RAISES.
6146 * toplev.c (rest_of_compilation): Set it.
6147 * print-tree.c (print_node): Adjust.
6148 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6149 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6150 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6151 REG_EH_REGION note as appropriate.
6152 (libfunc_nothrow): New fn.
6153 (emit_library_call, emit_library_call_value): Use it.
6154 (expand_call): Check TREE_NOTHROW.
6156 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6157 DECL_ASSEMBLER_NAME.
6159 2000-03-09 Andreas Jaeger <aj@suse.de>
6161 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6162 (TARGET_MEM_FUNCTIONS): Define.
6164 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6166 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6168 * except.c (can_throw): See through a SEQUENCE.
6169 (nothrow_function_p): New fn.
6170 * except.h: Declare it.
6171 * function.c (current_function_nothrow): New var.
6172 (prepare_function_start): Initialize it.
6173 * output.h: Declare it.
6174 * toplev.c (rest_of_compilation): Set it.
6175 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6177 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6179 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6180 match. (cpp_compare_defs): Count the nul separator when
6181 advancing over argument names.
6183 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6185 * recog.c (preprocess_constraints): Matching constraints affect
6186 same alternative/different operand, not same operand/different
6189 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6190 register and a constant specially.
6192 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6194 * libgcc2.h: New file.
6195 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6197 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6199 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6200 * configure: Regenerate.
6203 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6205 * Makefile.in (LIBCPP_DEPS): New macro.
6206 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6208 * cpperror.c: Include cpphash.h.
6209 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6211 (lex): Don't use CPP_WARN_UNDEF.
6212 (_cpp_parse_expr): Return an int, the truth value.
6213 * cppfiles.c: Include cpphash.h.
6214 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6215 * cppinit.c (include_defaults_array): Disentangle.
6216 (cpp_cleanup): Don't free the if stack here.
6217 (cpp_finish): Pop off all buffers, not just one.
6218 * cpplib.c (eval_if_expr): Return int.
6219 (do_xifdef): Rename do_ifdef.
6220 (handle_directive): Don't use CPP_PREPROCESSED.
6221 (cpp_get_token): Don't use CPP_C89.
6222 * fix-header.c: Don't use CPP_OPTIONS.
6224 * cpplib.h: Move U_CHAR, enum node_type, struct
6225 file_name_list, struct ihash, is_idchar, is_idstart,
6226 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6227 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6228 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6229 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6230 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6231 of _cpp_simplify_pathname, _cpp_find_include_file,
6232 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6233 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6235 Change all uses of U_CHAR to be unsigned char instead.
6236 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6238 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6240 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6241 (dwarf2out_begin_prologue): Set it.
6242 (output_call_frame_info): Don't emit EH unwind info for leaves.
6244 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6245 can occur outside of an EH region.
6246 * except.c: Correct comments about rethrow behavior.
6247 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6249 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6251 * flow.c (make_edges): Always call make_eh_edge for calls.
6253 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6255 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6256 (struct cpp_buffer): Remove fname and underflow fields.
6257 (struct cpp_reader): Remove get_token field.
6258 (struct include_hash): Rename to struct ihash. Add typedef to
6260 (struct if_stack): Remove fname field.
6261 (IF_STACK_FRAME): Rename to IF_STACK.
6263 * cpperror.c (print_containing_files): Trust that there are no
6264 macro buffers below the top file buffer.
6265 * cppfiles.c: Replace all references to 'struct include_hash'
6266 with 'IHASH'. Rename initialize_input_buffer to
6267 init_input_buffer. Don't set or reference cpp_buffer->fname,
6268 use buffer->ihash->name instead.
6269 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6270 not CPP_NULL_BUFFER.
6271 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6272 IF_STACK_FRAME, IHASH not struct include_hash.
6273 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6274 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6275 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6276 references to cpp_buffer->fname (delete entirely, or use
6277 ->ihash->name instead) and IF_STACK->fname.
6278 (cpp_push_buffer): Don't set new->underflow.
6279 (do_include): Use cpp_file_buffer.
6281 * cpphash.c (collect_formal_parameters): Remove duplicate
6282 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6283 used as a macro argument name. Don't append "..." to namebuf
6284 for varargs macros. After we're done scanning, go through
6285 namebuf and make it NUL separated, not comma separated.
6286 (_cpp_compare_defs): Remove register tag from variables.
6287 Expect defn->argnames to be NUL separated.
6288 (_cpp_dump_definition): Expect defn->argnames to be NUL
6289 separated and in forward order.
6290 * cpphash.h: Update documentation of argnames field.
6292 2000-03-08 Richard Henderson <rth@cygnus.com>
6294 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6295 to fail. Don't pre-expand the source operand.
6297 * i386.md (strlensi): Initialize eoschar and align before use.
6299 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6301 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6302 CONSTRUCTOR element.
6304 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6306 * mips.c (mips_expand_prologue): If the last
6307 named argument is the vararg marker "va_list", treat it as
6308 an unnamed argument.
6310 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6312 * dbxout.c (dbxout_parms): When correcting for promoted
6313 big-endian parameters, use the mode of the DECL_RTL rather
6314 than UNITS_PER_WORD.
6316 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6318 * c-common.h (make_fname_decl): Declare.
6319 * c-common.c (make_fname_decl): Define.
6320 (declare_hidden_char_array): Remove.
6321 (declare_function_name): Use make_fname_decl.
6322 * c-decl.c (c_make_fname_decl): New function.
6323 (init_decl_processing): Set make_fname_decl.
6325 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6327 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6329 2000-03-07 Philipp Thomas <pthomas@suse.de>
6331 * po/POTFILES.in: Remove cppalloc.c from file list.
6333 2000-03-07 Steve Chamberlain <sac@pobox.com>
6335 * pj.c (pj_expand_prologue): current_function->args_info is
6336 now current_function_args_info.
6338 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6339 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6340 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6342 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6344 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6345 output as hexadecimal rather than the default octal.
6347 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6349 * cpphash.c (special_symbol): Fix thinko in previous commit.
6351 2000-03-07 Neil Booth <NeilB@earthling.net>
6353 * cppexp.c (struct operation, left_shift, right_shift,
6354 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6355 "int"s to "unsigned int"s.
6356 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6358 * cpplib.h: Update for above.
6359 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6360 returned from allocations.
6362 * cppinit.c (opt_comp, parse_options): New functions.
6363 (handle_option): Use parse_option to parse a single command
6364 line option, that possibly takes an argument.
6365 (cpp_handle_options): Sort the array of command line options on
6366 first invocation (non-ASCII hosts only).
6367 (print_help): Update.
6369 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6371 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6372 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6374 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6376 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6378 * cpperror.c (cpp_print_containing_files,
6379 cpp_print_file_and_line, v_cpp_message): Rename to
6380 print_containing_files, print_file_and_line, and v_message.
6381 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6382 to _cpp_parse_expr, parse_escape, and lex.
6383 (parse_charconst): Remove broken multibyte support.
6384 * cppfiles.c (include_hash): Make static.
6385 (cpp_included): New function.
6386 (merge_include_chains, find_include_file, finclude,
6387 simplify_pathname): Rename to _cpp_merge_include_chains,
6388 _cpp_find_include_file, _cpp_read_include_file, and
6389 _cpp_simplify_pathname.
6390 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6391 cpp_install, create_definition, macroexpand, compare_defs,
6392 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6393 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6394 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6395 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6397 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6399 * cpphash.h: Update prototypes.
6400 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6402 2000-03-07 Andrew Haley <aph@cygnus.com>
6404 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6405 PTRDIFF_TYPE should be based solely on Pmode.
6408 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6410 * rtl.h (rtunion_def): Constify member `rtstr'.
6411 (emit_line_note_after, emit_line_note, emit_line_note_force,
6412 emit_note, decode_asm_operands): Constify.
6414 * cse.c (canon_hash): Likewise.
6416 * dbxout.c (dbxout_block): Likewise.
6418 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6419 v_warning_for_asm): Likewise.
6421 * dwarfout.c (function_start_label): Likewise.
6423 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6424 emit_line_note_force): Likewise.
6426 * final.c (last_filename, asm_insn_count, final_scan_insn,
6427 output_source_line): Likewise.
6429 * function.h (struct emit_status): Likewise.
6431 * gcse.c (hash_expr_1): Likewise.
6433 * genattr.c (gen_attr, main): Likewise.
6435 * genattrtab.c (struct function_unit, current_alternative_string,
6436 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6437 attr_numeral, check_attr_test, check_attr_value,
6438 convert_set_attr_alternative, convert_set_attr,
6439 compute_alternative_mask, simplify_by_exploding, gen_attr,
6440 gen_unit): Likewise.
6442 * genflags.c (gen_insn): Likewise.
6444 * gengenrtl.c (type_from_format): Likewise.
6446 * genopinit.c (gen_insn): Likewise.
6448 * genoutput.c (n_occurrences, process_template, process_template):
6451 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6454 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6457 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6458 ggc_set_mark, ggc_get_size): Likewise.
6460 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6462 * optabs.c (init_one_libfunc): Likewise.
6464 * output.h (assemble_start_function): Likewise.
6466 * recog.c (decode_asm_operands): Likewise.
6468 * toplev.c (rest_of_compilation): Likewise.
6470 * tree.h (emit_line_note_after, emit_line_note,
6471 emit_line_note_force): Likewise.
6473 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6474 asm_emit_uninitialised, assemble_start_function,
6475 assemble_variable, const_hash, compare_constant_1,
6476 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6478 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6480 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6482 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6484 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6486 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6487 arm_dllimport_name_p): Likewise.
6489 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6492 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6494 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6496 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6497 arm_mark_dllexport, arm_mark_dllimport,
6498 arm_pe_encode_section_info): Likewise.
6500 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6501 ASM_FINISH_DECLARE_OBJECT): Likewise.
6503 * arm/thumb.c (thumb_function_prologue): Likewise.
6505 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6507 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6509 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6511 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6513 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6515 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6517 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6518 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6520 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6522 * i386/i386.c (asm_output_function_prefix): Likewise.
6524 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6526 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6528 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6530 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6531 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6532 ASM_OUTPUT_SECTION_NAME): Likewise.
6534 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6536 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6538 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6540 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6542 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6544 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6546 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6548 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6550 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6552 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6554 * mips/mips.md (movdi, movsi): Likewise.
6556 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6558 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6560 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6562 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6563 ASM_OUTPUT_ASCII): Likewise.
6565 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6566 output_mi_thunk, output_toc): Likewise.
6568 * rs6000/rs6000.md (movsi): Likewise.
6570 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6572 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6574 * v850/v850.c (print_operand, print_operand_address,
6575 v850_encode_data_area): Likewise.
6577 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6579 * config/mips/mips.md (zero_extendsidi2): Always force operand
6580 one to memory for mips16.
6582 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6584 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6585 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6586 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6587 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6588 (min_precision): Result is unsigned.
6589 (add_double, neg_double, mul_double): Low word is unsigned.
6590 (lshift_double, rshift_double, lrotate_double): Likewise.
6591 (rrotate_double, div_and_round_double): Likewise.
6592 (tree_floor_log2, compare_tree_int): New functions.
6593 (preserve_rtl_expr_temps): New declaration.
6594 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6595 (decl_attributes): Use tree_log2 to find alignment.
6596 Check for TREE_INT_CST_HIGH for format args.
6597 (min_precision): Now unsigned.
6598 Use tree_floor_log2.
6599 (truthvalue_conversion): Delete long-disabled code.
6600 * c-decl.c (finish_struct): Clean up tests on field width.
6601 (finish_function): Use compare_tree_int.
6602 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6603 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6604 (default_conversion, digest_init): Use compare_tree_int.
6605 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6606 Fix type errors in forming masks.
6607 * calls.c (initialize_argument_information): Use compare_tree_int.
6608 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6609 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6610 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6611 (store_field): Use compare_tree_int.
6612 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6613 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6614 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6615 (do_store_flag): Use compare_tree_int.
6616 * fold-const.c (encode, decode): Low part is always unsigned.
6617 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6618 (lshift_double, rshift_double, lrotate_double): Likewise.
6619 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6620 (fold_convert): Use compare_tree_int.
6621 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6622 (invert_truthvalue, case INTEGER_CST): Likewise.
6623 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6624 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6625 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6626 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6628 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6629 (expand_end_case): Use compare_tree_int.
6630 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6631 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6632 (layout_decl): Likewise.
6633 (layout_record, layout_union): Make sizes unsigned.
6634 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6635 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6636 * tree.c (struct type_hash): hashcode is unsigned.
6637 (build_type_attribute_variant, type_hash_list): Likewise.
6638 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6639 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6640 (build_complex_type): Likewise.
6641 (real_value_from_int_cst): Remove unneeded casts.
6642 (integer_all_onesp): Add casts.
6643 (tree_floor_log2, compare_tree_int): New functions.
6644 (build_index_type): Use tree_int_cst_sgn.
6645 * varasm.c (assemble_variable): Use compare_tree_int.
6647 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6649 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6651 * varasm.c (make_decl_rtl): Don't add a number to members of
6653 (make_function_rtl): Likewise.
6655 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6657 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6658 patch from 2000-01-28.
6660 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6662 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6663 filled with an insn from the jump target.
6665 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6667 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6668 (c4x_external_ref): Likewise.
6669 * config/c4x/c4x.c (struct name_list): Likewise.
6671 1999-12-16 Ben Collins <bcollins@debian.org>
6673 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6674 argument to genmultilib.
6675 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6676 the contents into the multilib.h header.
6677 * gcc.c: Declare multilib_exclusions for the specs file.
6678 (set_multilib_dir): Use it.
6679 (print_multilib_info): Likewise.
6680 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6681 to pass to genmultilib.
6683 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6685 * builtins.c (built_in_class_names, built_in_names): Constify a
6688 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6690 (_mcleanup): Ensure value matches format specifier in sprintf.
6692 * cpphash.c (special_symbol): Don't needlessly cast away
6695 * cppinit.c (base_name): Delete unused prototype.
6697 * mkdeps.c (deps_init): Make definition K&R safe.
6699 * tree.h (built_in_class_names, built_in_names): Constify a
6702 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6704 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6705 floating point instructions for epilogue delay.
6707 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6708 to gas if it supports .register pseudo.
6710 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6711 LONG_DOUBLE_TYPE_SIZE if not defined.
6712 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6713 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6715 * gengenrtl.c: Likewise.
6716 * print-rtl.c: Likewise.
6718 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6719 MASK_LONG_DOUBLE_128.
6720 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6721 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6722 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6723 (SUBTARGET_SWITCHES): Define.
6724 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6725 with -mlong-double-128.
6726 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6727 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6728 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6729 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6730 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6731 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6732 with -mlong-double-128.
6733 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6734 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6735 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6736 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6737 TARGET_LONG_DOUBLE_128): Define.
6738 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6739 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6740 long double on TARGET_ARCH64.
6742 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6744 * function.c (free_temps_for_rtl_expr): Don't free slots
6745 that have been pushed into a higher level.
6748 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6750 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6752 * basic-block.h (ALLOCA_REG_SET): Remove.
6753 (INITIALIZE_REG_SET): New macro.
6754 * flow.c (update_life_info): Use it.
6755 (calculate_global_regs_live): Likewise.
6756 (propagate_block): Likewise.
6757 * global.c (build_insn_chain): Likewise.
6758 * haifa-sched.c (schedule_region): Likewise.
6760 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6762 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6763 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6764 (DWARF_ARANGES_PAD_SIZE): New define.
6765 (output_aranges): Use it to pad the address range header.
6766 (DWARF_ROUND): Fix for non power of 2 rounding.
6768 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6770 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6772 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6774 * tree.def (RTL_EXPR): Update documentation.
6775 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6776 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6777 * function.c (preserve_rtl_expr_temp): New function.
6778 (preserve_rtl_expr_temps): Likewise.
6779 (preserve_rtl_expr_result): Use it.
6782 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6784 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6786 * regmove.c (copy_src_to_dest) Do not create src->dest move
6787 for unchanging destination.
6789 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6791 * function.h (struct sequence_stack): Remove rtl_expr.
6792 (struct emit_staus): Likewise.
6793 (seq_rtl_expr): Remove.
6794 * tree.h (free_temps_for_rtl_expr): Don't declare.
6795 (start_sequence_for_rtl_expr): Likewise.
6796 * rtl.h (preserve_rtl_expr_result): Likewise.
6797 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6798 (start_sequence_for_rtl_expr): Remove.
6799 (push_topmost_sequence): Don't save sequence_rtl_expr.
6800 (pop_topmost_sequence): Remove comment about not restoring it.
6801 (end_sequence): Don't set seq_rtl_expr.
6802 (init_emit): Don't initialize it.
6803 (mark_sequence_stack): Don't mark it.
6804 (mark_emit_status): Likewise.
6805 * except.c (protect_with_terminate): Use
6806 start_sequence_for_rtl_expr, not start_sequence.
6807 * expr.c (expand_expr, case RTL_EXPR): Don't call
6808 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6809 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6810 (preserve_rtl_expr_result): Remove.
6811 (free_temps_for_rtl_expr): Likewise.
6812 (pop_temp_slots): Likewise.
6813 (mark_temp_slot): Don't mark the rtl_expr.
6814 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6815 start_sequence_for_rtl_expr.
6817 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6819 * mkdeps.c, mkdeps.h: New files.
6820 * po/POTFILES.in: Add them.
6821 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6822 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6823 (mkdeps.o): New target.
6825 * cppfiles.c: Delete deps_output.
6826 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6827 OBJECT_SUFFIX, and base_name.
6828 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6830 (initialize_dependency_output): Use deps_init,
6831 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6832 all the unnecessary string bashing.
6833 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6835 * cpplib.c (do_include): Use deps_add_dep.
6836 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6837 deps_allocated_size, deps_size, deps_column members with
6838 single pointer to a struct deps. Delete prototype of
6841 * cppinit.c: Fix thinko in previous patch.
6843 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6845 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6846 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6847 (mode_for_size_tree): New function.
6848 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6849 * tree.h (mode_for_size_tree): New declaration.
6851 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6853 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6855 * stmt.c (is_body_block): Move...
6856 * dwarfout.c, dwarf2out.c: ...from here.
6857 * tree.h: Declare it.
6858 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6859 * final.c (final_start_function): Do call remove_unnecessary_notes
6862 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6864 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6866 * cpplib.h (_dollar_ok): New macro.
6867 (is_idchar, is_idstart): Use it.
6868 (IStable): Rename to _cpp_IStable. Declare it const if
6869 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6870 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6871 is_space): Update for renamed IStable.
6873 * cppinit.c: Delete all references to FAKE_CONST and CAT
6874 macros. Define init_IStable as empty macro if gcc >=2.7 or
6875 C99. Change TABLE() to ISTABLE and hardcode name of table.
6876 (cpp_start_read): Don't change the IStable based on
6879 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6880 changed. Handle '$' for char1 correctly.
6881 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6883 * cppexp.c (tokentab2): Make const.
6884 (cpp_lex): Make toktab const.
6885 * cppinit.c (include_defaults_array): Make const.
6886 (initialize_standard_includes): Make default_include const.
6888 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6890 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6891 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6892 (gen_decl_die): Likewise.
6893 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6894 (output_decl): Likewise.
6896 * varasm.c (make_function_rtl): If we change the name used in the
6897 rtl, update DECL_ASSEMBLER_NAME accordingly.
6898 (make_decl_rtl): Likewise.
6900 * toplev.c (rest_of_compilation): Tweak formatting.
6902 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6903 remove_unnecessary_notes.
6904 (debug_ignore_block): New fn.
6905 * toplev.h: Declare it.
6906 * emit-rtl.c (remove_unncessary_notes): Call it.
6907 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6908 * dwarf2out.h: Declare it.
6909 * final.c (final_start_function): Don't call remove_unnecessary_notes
6910 if we did insn scheduling.
6912 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6914 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6915 * cpplib.h: Delete SET_CPP_PEDANTIC.
6917 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6919 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6920 result is a RECORD_TYPE.
6922 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6924 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6926 2000-03-03 Richard Henderson <rth@cygnus.com>
6928 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6929 addition over compliments over shifts.
6931 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6933 * reload1.c (reload_combine_note_use): Handle return register USEs.
6934 REG case: Handle multi-hard-register hard regs.
6936 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6938 * md.texi: Document use of '*' in insn pattern name.
6940 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6942 * calls.c (special_function_p): operator new may not be malloc-like.
6944 * gcse.c (dump_hash_table): Really fix error in last change.
6946 2000-03-02 Denis Chertykov <denisc@overta.ru>
6948 * avr.c (print_operand): Use print_operand_address instead of
6950 * avr/libgcc.S: Cleanup code.
6952 2000-03-02 Richard Henderson <rth@cygnus.com>
6954 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6956 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6958 * tree.h (TYPE_ALIGN_UNIT): New macro.
6960 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6962 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6964 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6966 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6968 (SET_CPP_PEDANTIC): New macro.
6969 * cpplib.c (do_include): Don't bother checking system_header_p.
6970 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6971 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6973 * function.h (struct expr_status): Add x_arg_space_so_far.
6974 (arg_space_so_far): New macro.
6975 * expr.c (init_expr): Initialize it.
6976 * calls.c (emit_call_1): Reset it.
6977 (compute_argument_block_size, expand_call): Use it.
6978 (expand_call, store_one_arg): Increment it.
6980 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6982 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6985 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6987 * cppfiles.c (cpp_read_file): New function.
6989 * cpphash.c (collect_expansion): Make sure to reset last_token
6990 to NORM when we hit a string. Handle trailing whitespace
6991 properly when the expansion is empty.
6992 (create_definition): Disable line commands while parsing the
6994 (dump_definition): If pfile->lineno == 0, output a line
6995 command ahead of the dump, and add a trailing newline.
6997 * cppinit.c (append_include_chain): Add fifth argument, which
6998 indicates whether or not system headers are C++ aware.
6999 (initialize_standard_includes): New function,
7000 broken out of read_and_prescan. Pass 'cxx_aware' value from
7001 the include_defaults_array on to append_include_chain.
7002 (dump_special_to_buffer): Const-ify char array.
7003 (builtin_array): Don't dump __BASE_FILE__.
7004 (cpp_start_read): Use cpp_read_file. Reorder code for
7005 clarity. Don't output line commands here for -D/-A/-U
7006 switches. Don't call deps_output for files included with
7007 -include or -imacros.
7009 * cpplib.c (do_define): Don't pay any attention to the second
7011 (cpp_expand_to_buffer): Disable line commands while scanning.
7012 (output_line_command): Work in the file buffer.
7013 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7014 Fix formatting of comments. Prototype cpp_read_file.
7016 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7018 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7019 reference the language-equivalent of sizetype.
7020 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7021 * fold-const.c (size_binop, size_diffop): Put back checks.
7022 * gcse.c (dump_hash_table): Fix minor error in last change.
7023 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7024 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7027 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7029 * calls.c (expand_call) Do not attempt to combine stack adjustments
7030 with inhibit_defer_pop set.
7032 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7034 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7035 the DECL_SIZE for a FIELD_DECL.
7037 2000-03-01 Bruce Korb <bkorb@gnu.org>
7039 * fixinc/inclhack.tpl: remove unused symlinks
7040 * fixinc/README: GCC Maintainer info
7041 * fixinc/inclhack.sh: regen
7042 * fixinc/fixincl.sh: regen
7044 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7046 * cpphash.c (collect_expansion): Trim trailing white space
7047 from macro definitions, but don't go past the last insertion
7050 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7052 * i386.md (mulqi3): New pattern.
7054 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7056 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7058 (struct cpp_reader): Add parsing_if_directive and
7059 parsing_define_directive flags.
7060 (struct cpp_options): Remove output_conditionals flag.
7061 (check_macro_name): Delete prototype.
7063 * cpphash.h (struct macrodef): Delete.
7064 (struct reflist): Separate from struct definition.
7065 (struct definition): Remove unused fields. Add column number.
7066 (create_definition): Returns a DEFINITION *. Takes a
7067 cpp_reader * and an int.
7069 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7070 (PEEKC): Copy defn from cpplib.c.
7071 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7073 (struct arglist): Simplify.
7074 (collect_expansion): Rewrite. Get tokens by calling
7075 cpp_get_token. Add more error checking.
7076 (collect_formal_parameters): New function, broken out of
7077 create_definition and reworked to use get_directive_token.
7078 (create_definition): All real work is now in collect_expansion
7079 and collect_formal_parameters. do_define handles finding the
7080 macro name. Return a DEFINITION, not a MACRODEF.
7081 (macroexpand): Replace bcopy with memcpy throughout. Replace
7082 character-at-a-time copy loop with memcpy and pointer increments.
7083 (compare-defs): d1->argnames / d2->argnames might be null.
7085 * cpplib.c (copy_rest_of_line): Delete function.
7086 (skip_rest_of_line): Do all the work ourselves.
7087 (skip_string): New function.
7088 (parse_string): Use skip_string.
7089 (get_macro_name): New function.
7090 (check_macro_name): Delete.
7091 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7092 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7093 (handle_directive): ICE if we're called on a macro buffer.
7094 (do_define): Determine macro name and type (funlike/objlike)
7095 here. Expunge all uses of MACRODEF.
7096 (cpp_push_buffer): Set line_base to NULL.
7097 (do_undef, read_line_number): Don't worry about getting a POP token.
7098 (eval_if_expression): Set/reset parsing_if_directive around
7099 cpp_parse_expr. Don't clear only_seen_white.
7100 (skip_if_group): Remove output_conditionals logic. Use
7102 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7103 tokens under appropriate conditions.
7104 (cpp_unassert): Call do_unassert not do_assert. Oops.
7106 * cppexp.c (parse_defined): New function, break out of
7108 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7109 ourselves, with cpp_defined.
7110 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7112 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7113 * gcc.dg/strpaste-2.c: New.
7115 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7117 * fold-const.c (size_binop): Don't asert inputs are the same and
7118 have TYPE_IS_SIZETYPE set.
7119 (size_diffop): Likewise.
7121 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7123 * dwarfout.c (output_block): Output abstract blocks even if they
7124 don't have TREE_ASM_WRITTEN set.
7126 * calls.c (emit_library_call): Check for null REG.
7128 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7130 * c-decl.c (current_function_decl): Move to toplev.c.
7131 (init_decl_processing): Don't add current_function_decl as a ggc
7133 * dbxout.c (dbxout_symbol): Change return type to int.
7134 (dbxout_symbol_location, dbxout_syms): Likewise.
7135 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7136 any locals. Use current_function_func_begin_label if set.
7137 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7138 * dwarf2out.c (dwarf2out_begin_prologue): Set
7139 current_function_func_begin_label.
7140 * final.c (final_start_function): Reset it.
7141 * toplev.c (current_function_decl): Define it here.
7142 (current_function_func_begin_label): New variable.
7143 (main): Add both as ggc roots.
7144 * tree.h (current_function_func_begin_label): Declare.
7146 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7148 * gcse.c: Cleanups throughout: mostly white-space, but also
7149 some minor rearrangement of code.
7151 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7153 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7154 returns a PARALLEL. Use emit_group_load and use_group_regs
7156 (emit_library_call_value): Similarly.
7158 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7159 * pa/quadlib.asm: Remove.
7160 * pa/quadlib.c: New file.
7162 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7163 * configure: Rebuilt.
7165 2000-02-29 Philip Blundell <pb@futuretv.com>
7167 * config/arm/conix-elf.h: New file.
7168 * configure.in (arm*-*-conix*): New configuration.
7169 * configure: Regenerate.
7171 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7173 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7174 don't have TREE_ASM_WRITTEN set.
7176 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7178 * Eliminate DECL_FIELD_SIZE.
7179 * builtins.c (built_in_class_names, built_in_names): New variables.
7180 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7181 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7182 DECL_SIZE, not DECL_FIELD_SIZE.
7183 * print-tree.c (print_node): Remove code that prints extra blank
7184 lines in some cases.
7185 Properly handle inline and builtin function cases.
7186 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7187 * tree.h (built_in_class_named, built_in_names): New declarations.
7188 (union tree_decl): Rename internal unions to u1 and u2 and change
7189 some of their components.
7190 Add new field built_in_class.
7191 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7192 Reflect above changes.
7193 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7194 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7195 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7196 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7198 2000-02-28 Dmitri Makarov <dim@windriver.com>
7200 * extend.texi: Document ARM's support for long/short calls.
7202 * invoke.texi: Document ARM's -mlong-calls command line switch.
7204 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7205 (arm_encode_call_attribute): Add prototype.
7206 (arm_set_default_type_attribute): Add prototype.
7207 (arm_strip_name_encoding): Add prototype.
7209 * config/arm/arm.c (arm_init_cumulative_args): replace
7210 initialisation og 'long_calls' field with initialisation of
7211 'call_cookie' field.
7212 (enum arm_pragma_enum): New enum.
7213 (arm_pragma_long_calls): New static variable.
7214 (arm_process_pragma): Also process "#pragma long_calls_off".
7215 (arm_valid_type_attribute_p): Accept short_call attribute.
7216 (arm_comp_type_attributes): Check long/short call attributes.
7217 (arm_encode_call_attribute): New function: Encode long_call
7218 or short_call attribute in function name.
7219 (arm_set_default_type_attributes): New function: Assign
7220 default attributes to newly defined type.
7221 (current_file_function_operand): New function: Return true if
7222 the symbol is a function which has already been compiled.
7223 (arm_is_longcall_p): New function: Return true if the
7224 indicated function should be called via a long call.
7225 (arm_get_strip_length): New function. Returns number of
7226 prefix characters to be stripped from a function's name.
7227 (arm_strip_name_encoding): New function. Strip prefix characters
7228 from a function's name.
7230 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7232 (SHORT_CALL_FAG_CHAR): Define.
7233 (LONG_CALL_FAG_CHAR): Define.
7234 (ENCODED_SHORT_CALL_ATTR_P): Define.
7235 (ENCODED_LONG_CALL_ATTR_P): Define.
7236 (ARM_NAME_ENCODING_LENGTHS): Define.
7237 (STRIP_NAME_ENCODING): Define.
7238 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7239 (ARM_ENCODE_CALL_TYPE): Define.
7240 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7241 (ARM_DECLARE_FUNCTION_SIZE): Define.
7242 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7244 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7245 if a long call is needed.
7246 (call_value): Ditto.
7247 (call_symbol): Ditto.
7249 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7250 ARM_DECLARE_FUNCTION_SIZE.
7252 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7253 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7254 (ARM_STRIP_NAME_ENCODING): Undefine.
7255 (STRIP_NAME_ENCODING): Undefine.
7256 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7257 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7258 (ASM_OUTPUT_COMMON): Ditto.
7259 (ASM_DECLARE_OBJECT_NAME): Ditto.
7261 * config/arm/pe.c (arm_dllexport_name_p): Check for
7263 (arm_dllimport_name_p): Ditto.
7264 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7265 (arm_mark_dllimport): Ditto.
7267 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7269 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7271 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7273 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7275 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7277 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7278 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7279 NO_BUILTIN_WCHAR_TYPE is not defined.
7280 (CPP_WCHAR_TYPE): Delete.
7281 * cccp.c (main): Don't change wchar_type if cplusplus.
7282 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7284 2000-02-28 Nick Clifton <nickc@cygnus.com>
7286 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7288 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7290 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7291 (ASM_WEAKEN_LABEL): Define.
7293 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7295 * expr.c (store_constructor): Do not emit USE.
7296 * rtl.h (stupid_life_analysis): Remove.
7298 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7300 * function.c (number_blocks): Reset next_block_index based on
7301 what debugging format is used, not what is defined.
7303 * lcm.c: Minor reformatting throughout.
7304 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7306 * toplev.c (rest_of_compilation): Account for time in
7307 optimize_mode_switching.
7309 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7310 if only marking labels.
7312 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7314 * calls.c (expand_call): Attempt to combine stack adjustments with
7315 pending stack adjustments.
7317 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7319 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7320 to the end of the function.
7322 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7324 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7326 * final.c (next_block_index): Remove.
7327 (max_block_depth): Likewise.
7328 (pending_blocks): Likewise.
7329 (init_final): Don't initialize them.
7330 (final_start_function): Don't set next_block_index. Set up
7332 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7333 * function.h (number_blocks): New function.
7334 * function.c (get_block_vector): New function.
7335 (identify_blocks): Use it.
7336 (reorder_blocks): Set NOTE_BLOCK.
7337 (number_blocks): New function.
7338 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7339 * tree.h (BLOCK_NUMBER): New macro.
7340 (tree_block): Add block_num field.
7341 * dbxout.c (next_block_number): Remove.
7342 (dbxout_init): Don't set it.
7343 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7344 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7346 * toplev.c (rest_of_compilation): Always call
7347 find_loop_tree_blocks. Fix indentation.
7348 * dwarf2out.c (next_block_number): Remove.
7349 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7350 to determine block numbers.
7351 (gen_inlined_subroutine_die): Likewise.
7352 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7353 (decls_for_scope): Don't increment next_block_number.
7354 * dwarfout.c (next_block_number): Remove.
7355 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7356 to determine block numbers.
7357 (output_inlined_subroutine_die): Likewise.
7358 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7359 (output_decls_for_scope): Don't increment next_block_number.
7360 * sdbout.c (next_block_number): Remove.
7361 (sdbout_block): Use BLOCK_NUMBER.
7362 (sdbout_begin_block): Simplify.
7363 * xcoffout.c (next_block_number): Remove.
7364 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7365 (xcoffout_begin_block): Don't set next_block_number.
7366 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7369 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7371 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7372 (expand_builtin_strcpy): Pass correct type to size_binop.
7373 (expand_builtin_strcmp): Likewise.
7374 Clean up conditional structure.
7375 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7376 (complete_array_type): Don't use size_binop for MAXINDEX.
7377 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7378 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7379 (c_alignof): Use size_one_node.
7380 (build_unary_op): Pass arg of proper type to size_binop.
7381 (really_start_incremental_init, push_init_level): Use sizetype for
7382 constructor{,_bit,_unfilled}_index.
7383 (pop_init_label, output_init_element): Likewise.
7384 (output_pending_init_elements, process_init_element): Likewise.
7385 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7386 * expr.c (store_expr): Use size_int.
7387 (store_constructor): Use proper types for size_binop args.
7388 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7389 (expand_expr_unaligned): Likewise.
7390 (string_contant): Return object of sizetype.
7391 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7392 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7393 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7394 * fold-const.c (int_const_binop): Refine when size_int is called.
7395 (fold_convert): Likewise.
7396 (size_int_wide): Rework to take KIND as arg, only take low order
7397 bits, handle new sizetype_tab datatype, and chain entries in
7399 (size_int_type_wide): New function.
7400 (size_binop): Validate types of arguments.
7401 (ssize_binop): Deleted.
7402 (size_diffop): New function.
7403 (extract_muldiv): Only fold division into multiplication for sizetypes.
7404 * function.c (assign_parms): Use size_diffop and make sure
7405 VAR field is of ssizetype; also pass proper type to size_binop.
7406 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7407 (round_down): Deleted from here.
7408 * store-layout.c (sizetype_tab): Now an array.
7409 (sizetype_set, early_root_list): New variables.
7410 (variable_size): Use size_one_node.
7411 (round_up): Pass proper type to size_binop.
7412 (round_down): Moved to here and corrected as above.
7413 (layout_record): Pass proper arg types to size_binop.
7414 (layout_type): Likewise.
7415 If sizetype_set is zero, record the type just laid out.
7416 (make_unsigned_type): Don't call set_sizetype;
7417 (make_signed_type): Likewise; also, call fixup_signed_type.
7418 (initialize_sizetypes): New function.
7419 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7420 set name of bitsizetype to "bit_size_type".
7421 Fix up type of sizes of all types made before call.
7422 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7423 * tree.c (fix_sizetype): Deleted.
7424 (build_common_tree_nodes): Call initialize_sizetypes.
7425 (build_common_tree_nodes_2): Don't call fix_sizetype.
7426 * tree.h (TYPE_IS_SIZETYPE): New macro.
7427 (initialize_sizetype): New declaration.
7428 (enum size_type_kind): New type.
7429 (struct sizetype_tab): Deleted.
7430 (sizetype_tab): Now array; adjust sizetype macros.
7431 (size_diffop, size_int_type_wide): New functions.
7432 (size_int_wide): Change number of args and type; access macros changed.
7433 (ssize_int, sbitsize_int): New macros.
7434 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7435 (ROUND_TYPE_SIZE_UNIT): New macro.
7437 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7439 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7441 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7443 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7444 Mark as possibly unused.
7446 * cse.c (cse_insn): Delete dead code involving tablejump.
7447 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7449 * Makefile.in (libcpp.a): Start by deleting it.
7451 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7453 * cpplib.h (enum file_change_code): Added rename_file.
7454 * cpplib.c (do_line): If a filename is given, set file_change to
7456 (output_line_command): If file_change is rename_file, always
7457 output a # directive with the file name.
7459 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7461 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7463 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7464 when copying a PARM_DECL or RESULT_DECL.
7466 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7468 * fix-header.c (recognized_function): Also fix prototypes for
7469 functions taking "void".
7471 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7473 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7474 looking at reg_reloaded_contents.
7476 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7478 * Makefile.in (STMP_FIXINC): New toggle.
7479 (LIBGCC2_DEPS): Delete all references.
7480 (stmp-headers): Delete target. All references either deleted
7481 or changed to stmp-int-headers.
7482 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7483 (LIBCPP_OBJS): Take out cppalloc.o.
7484 (cppalloc.o): Delete target.
7485 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7486 (gen-protos, fix-header): Link with libiberty.a.
7487 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7490 * configure.in: Remove refs to strerror.
7491 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7492 * system.h: Take out strerror stanza.
7494 * cpperror.c (my_strerror): Delete function.
7495 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7496 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7497 * cppalloc.c: Delete file.
7498 * gen-protos.c: Don't provide xrealloc.
7500 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7501 xstrerror throughout.
7503 2000-02-26 Bruce Korb <bkorb@gnu.org>
7505 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7506 match for DOS headers, too.
7507 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7509 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7511 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7512 is right for most ELF targets.
7513 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7514 Let the default file use %U properly.
7515 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7518 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7521 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7523 * toplev.c (documented_lang_options): Correct spelling error.
7524 (decode_d_option, decode_f_option, main): Likewise.
7526 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7528 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7529 to tell assembler it is permitted to expand large constants.
7531 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7533 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7534 (aux_info_suffix): Use.
7535 (SAVE_SUFFIX): New macro.
7537 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7538 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7539 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7541 * invoke.texi (Running Protoize): Update documentation.
7543 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7545 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7547 2000-02-25 John Wehle (john@feith.com)
7549 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7551 2000-02-25 Anthony Green <green@cygnus.com>
7553 * toplev.c (rest_of_compilation): Rebuild jump labels if
7554 combine_instructions has created a new direct jump.
7555 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7557 (combine_instructions): Call try_combine with new argument.
7558 Return non-null value when new direct jump instruction is created.
7559 * rtl.h: combine_instructions returns an int.
7561 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7563 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7564 jump when changing a computed jump into a jump to a known
7567 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7569 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7570 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7572 * i386.md (define_expand "clrstrsi"): Fix typo.
7574 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7576 * rtl.texi: Fix typo.
7578 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7580 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7581 UNITS_PER_WORD. Change caller initial_elimination_offset.
7582 (rounded_frame_size): Take into account that argument pushed has
7583 changed. Fix TARGET_ALIGN_DOUBLE problem.
7585 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7587 * haifa-sched.c (schedule_block): Explain the real reason
7588 we delete REG_SAVE_NOTEs on the first insn of a block.
7589 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7591 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7593 * input.h (push_srcloc): New function.
7594 (pop_srcloc): Likewise.
7595 * toplev.c (push_srcloc): Define it.
7596 (pop_srcloc): Likewise.
7598 2000-02-24 Richard Henderson <rth@cygnus.com>
7600 * flow.c (life_analysis): When collecting reg info, clear
7603 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7605 Fix bug exposed by reload.c no longer rounding the frame
7606 size to BIGGEST_ALIGNMENT:
7607 * sh.c (rounded_frame_size): New function.
7608 (sh_expand_prologue, sh_expand_epilogue): Use it.
7609 (initial_elimination_offset): Likewise.
7611 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7613 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7614 * sh-protos.h (sh_need_epilogue): Declare.
7615 * sh.c (sh_need_epilogue_known): New static variable.
7616 (sh_need_epilogue): New function.
7617 (function_epilogue): Clear need_epilogue_known.
7618 * sh.md (return): Split into expander / insn pattern.
7619 Make the expander conditional on ! sh_need_epilogue ().
7621 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7623 * machmode.h (get_mode_alignment): Declare.
7624 (GET_MODE_ALIGNMENT): Call it.
7625 * stor-layout.c (get_mode_alignment): New function. Make
7626 sure alignment is always power of 2.
7628 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7630 * i386.h: Remove useless definition of "I386" and misleading
7633 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7635 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7636 under which TREE_PERMANENT will be set.
7637 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7638 build1): Use TREE_SET_PERMANENT.
7639 * print-tree.c (print_node): Don't report value of
7640 TREE_PERMANENT if ggc_p is true.
7642 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7643 decide whether to give a type a new alias set.
7644 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7645 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7646 of value of 'obstack'.
7649 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7651 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7653 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7655 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7656 * cpplib.c (cpp_get_token): Produce them.
7657 * cppexp.c (cpp_lex): Handle them.
7659 2000-02-23 Nick Clifton <nickc@cygnus.com>
7661 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7662 comment tests on type attributes.
7664 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7666 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7667 conform to documentation.
7668 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7669 to check for special cases.
7670 * sh-protos.h (sh_loop_align): Declare.
7671 * sh.c (sh_loop_align): Define.
7673 2000-02-22 Andrew Haley <aph@cygnus.com>
7675 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7676 (SIZE_TYPE): Is 32 bits when using -mgp32.
7677 (PTRDIFF_TYPE): Ditto.
7679 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7681 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7683 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7685 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7686 BIGGEST_FIELD_ALIGNMENT a constant.
7688 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7690 * dwarf2out.c (output_line_info): Put the marker for the end of
7691 the line number info at the actual end.
7692 (gen_struct_or_union_type_die): Use decl_function_context
7693 to check for local classes.
7694 * dwarfout.c (output_type): Likewise.
7696 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7698 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7699 for arguments with a mode, but no type.
7700 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7701 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7702 * pa/long_double.h: New file.
7703 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7704 both have 128bit wide long doubles.
7705 * configure: Rebuilt.
7707 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7709 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7711 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7712 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7713 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7715 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7717 * integrate.c (compare_blocks, find_block): Likewise.
7719 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7721 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7723 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7724 expand_asm_operands): Likewise.
7726 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7728 * predict.c (estimate_probability): Added the pointer heuristic to
7729 the collection of static branch predictors.
7731 2000-02-21 Catherine Moore <clm@cygnus.com>
7733 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7734 * invoke.texi (-mfix7000): Document.
7736 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7738 * diagnostic.c (init_output_buffer): Make it possible to output at
7739 least 32 characters if we're given a too long prefix.
7741 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7743 * varasm.c (initializer_constant_valid_p): Call
7744 lang_expand_constant to simplify the constant.
7746 2000-02-20 Bruce Korb <bkorb@gnu.org>
7748 * fixinc/inclhack.def(stdio_va_list):
7749 typedef needs to be disabled.
7750 * fixinc/inclhack.sh: regen
7751 * fixinc/fixincl.x: regen
7753 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7755 * print-rtl.c (print_rtx): Don't print addresses when
7756 flag_dump_unnumbered.
7758 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7760 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7762 (sparc_va_arg, sparc_flat_output_function_prologue,
7763 sparc_flat_output_function_epilogue): Cast value to unsigned in
7765 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7767 * sparc.md: Add default case in switch.
7769 2000-02-19 Richard Henderson <rth@cygnus.com>
7771 * c-typeck.c (add_pending_init): Don't abort for multiple
7772 fields at the same offset.
7773 (pending_init_member): Test the correct member.
7775 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7777 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7779 (start_catch_handler) : Same.
7781 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7783 * Makefile.in: Have flow.o depend on $(EXPR_H)
7785 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7787 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7788 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7789 (finish_decl): Remove -Wlarger-than code from here.
7790 * flags.h (id_clash_len): Now int.
7791 (larger_than_size): Now HOST_WIDE_INT.
7792 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7793 Clean up checking to see if in table.
7794 (make_bit_field_ref): Remove extra parm to bitsize_int.
7795 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7796 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7797 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7798 and for computing size of decl.
7799 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7800 Move -Wlarger-than code to here.
7801 (layout_record): Remove extra arg to bitsize_int.
7802 Set TYPE_BINFO_SIZE_UNIT.
7803 (layout_union): Remove extra arg to bitsize_int.
7804 Use proper type for size of QUAL_UNION.
7805 (layout_type): Remove extra arg to bitsize_int.
7806 * toplev.c (id_clash_len): Now int.
7807 (larger_than_size): Now HOST_WIDE_INT.
7808 (decode_W_option): Clean up id-clash and larger-than- cases.
7809 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7810 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7811 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7812 (struct tree_decl): New field size_unit.
7813 (size_int_wide): No HIGH operand; NUMBER is now signed.
7814 (size_int_2): Deleted.
7815 (size_int, bitsize_int): Don't use it and rework args.
7816 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7818 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7820 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7822 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7824 * invoke.texi (Warning Options): Add an explanation of why
7825 you might want the -Wfloat-equal flag.
7827 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7829 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7830 * cppinit.c (new_pending_define): Add cast to avoid warning.
7831 * expmed.c (extract_bit_field): Likewise.
7832 * flow.c (enum reorder_skip_type): New type.
7833 (skip_insns_between_blcok): New it.
7834 Rework to avoid warning about possibly undefined variable.
7835 * function.c (assign_parms): Make thisparm_boundary unsigned.
7836 * genrecog.c (write_switch): Cast XWINT result to int.
7837 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7838 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7839 one for MIPS and one for Alpha.
7840 (get_tag, copy_object): Add casts to avoid warnings.
7841 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7842 * reload.c (find_reloads): Make TYPE enum reload_type.
7843 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7844 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7845 * varasm.c (compare_constant_1): Add cast to avoid warning.
7846 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7848 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7849 Cast switch operand of size to int.
7850 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7851 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7854 2000-02-18 Nick Clifton <nickc@cygnus.com>
7856 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7857 anything for an alignment of zero.
7859 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7860 anything for an alignment of zero.
7862 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7864 * gcc.texi (Bug Reporting): Refer to bugs.html.
7865 (Bug Lists): Likewise.
7866 * system.h (GCCBUGURL): New preprocessor define.
7867 * rtl.c (fancy_abort): Use it.
7868 * gcc.c (main): Likewise.
7870 2000-02-18 Richard Henderson <rth@cygnus.com>
7872 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7873 (life_analysis_1): Subsume into ...
7874 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7875 Use update_life_info for the relaxation.
7876 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7877 entry and regs_live_at_setjmp.
7878 (set_noop_p): Simplify.
7879 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7880 (record_volatile_insns): Split into ...
7881 (delete_noop_moves): ... here,
7882 (notice_stack_pointer_modification): ... here,
7883 (insn_dead_p): ... and here.
7884 (propagate_block): Don't query INSN_VOLATILE.
7885 (mark_used_regs): Mind !PROP_REG_INFO.
7886 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7887 not in life_analysis.
7889 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7891 * loop.c (canonicalize_condition): New function,
7892 broken out of get_condition.
7893 (get_condition): Use it.
7894 * expr.h (canonicalize_condition): Prototype it.
7896 * tree.h (tree_int_cst_msb): Declare.
7897 * tree.c (tree_int_cst_msb): New function.
7899 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7901 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7904 * invoke.texi (-fmessage-length=n): Document.
7906 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7908 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7910 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7912 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7915 2000-02-17 Nick Clifton <nickc@cygnus.com>
7917 * config/arm/thumb.c: Replace includes of system headers with
7918 #include "system.h".
7920 2000-02-16 Richard Henderson <rth@cygnus.com>
7922 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7923 Add crtbeginS.o and crtendS.o.
7924 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7925 (ENDFILE_SPEC): Use crtendS.o.
7926 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7928 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7929 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7931 (__dso_handle): New variable.
7932 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7933 bias to __CTOR_END__.
7935 2000-02-16 Richard Henderson <rth@cygnus.com>
7937 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7939 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7941 * longlong.h (__clz_tab): Declare as static to match definition.
7943 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7944 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7945 (XREF_FILE_NAME): Define.
7947 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7948 (EH_FRAME_SECTION_ASM_OP): Define.
7949 (IDENT_ASM_OP): Define.
7950 (TEXT_SECTION_ASM_OP): Define.
7952 (CTORS_SECTION_ASM_OP): Define.
7953 (CTOR_SECTION_FUNCTION): Use it.
7954 (DTORS_SECTION_ASM_OP): Define.
7955 (DTOR_SECTION_FUNCTION): Use it.
7957 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7959 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7962 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7963 debug_bb_n): New functions.
7964 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7965 * basic-block.h: Prototype new functions.
7967 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7969 * configure.in: Add support for avr target.
7970 * configure: Rebuilt.
7972 * invoke.texi: Add AVR invocation docs.
7973 * install.texi: Add information about AVR.
7974 * md.texi: Add AVR constraint letters description.
7975 * extend.texi: Add description for AVR specific attributes.
7977 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7979 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7981 2000-02-16 Nick Clifton <nickc@cygnus.com>
7983 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7984 (make_insn_raw): Move RTL check here.
7986 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7988 * version.c: Include gansidecl.h and version.h.
7990 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7992 * configure.in (gcc_version): When setting, narrow search to
7993 lines containing `version_string'.
7995 * Makefile.in (mainversion): Likewise.
7996 (GCC_H): New variable.
7997 (gcc.h): Delete target.
7998 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7999 (version.o): Depend on version.h.
8000 (dbxout.o): Don't depend on gcc.h.
8002 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8003 Michael Meissner <meissner@cygnus.com>
8005 * md.texi (Simple Constraints): Add item about whitespace.
8006 * genoutput.c (strip_whitespace): New.
8007 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8008 strip_whitespace for constraints.
8009 Test pointer using NULL, not 0.
8011 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8013 * cpplib.c (do_line): Pedwarn for #line > 32767.
8015 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8017 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8019 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8020 to default cpp spec.
8021 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8022 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8025 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8028 2000-02-15 Denis Chertykov <denisc@overta.ru>
8030 * configure.in: Add support for avr target.
8032 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8034 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8035 (sh_addr_diff_vec_mode): Don't declare.
8036 * sh.c (sh_addr_diff_vec_mode): Delete.
8038 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8040 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8042 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8044 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8045 (smulsi3_highpart_i): Name.
8046 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8047 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8048 (smulsi3_highpart, umulsi3_highpart): Likewise.
8050 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8051 correctly independent of endianness.
8052 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8053 confuse the optimizers.
8054 (mulsidi3+1, umulsidi3+1): New define_split.
8056 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8058 * config/sh/sh.md: Guard insn splits against illegal registers.
8059 * config/sh/sh.h: Correct comment about macros.
8061 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8062 Andrew MacLeod <amacleod@cygnus.com>
8064 * Makefile.in (lcm.o): Depend on insn-attr.h.
8065 * basic-block.h (optimize_mode_switching): Declare.
8066 * lcm.c (tm_p.h, insn-attr.h): #include.
8067 (seginfo, bb_info): New structs.
8068 (antic, transp, comp, delete, insert) : New file-scope static variables.
8069 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8070 (reg_becomes_live, optimize_mode_switching): Likewise.
8071 * tm.texi: Add description of mode switching macros.
8072 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8074 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8075 (fldi_ok, fpscr_set_from_mem): New prototypes.
8076 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8077 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8078 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8079 (sh_flag_remove_dead_before_cse): Remove declaration.
8080 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8081 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8082 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8083 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8084 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8085 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8086 (fldi_ok): New function.
8087 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8088 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8089 (emit_df_insn): Likewise.
8090 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8091 (sh_flag_remove_dead_before_cse): Delete.
8092 (get_free_reg, fpscr_set_from_mem): New functions.
8093 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8094 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8096 2000-02-15 Loren Rittle <ljrittle@acm.org>
8098 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8100 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8102 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8103 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8105 * cccp.c: Include version.h and/or don't declare `version_string'.
8106 * collect2.c: Likewise.
8107 * alpha.c: Likewise.
8108 * arm/aof.h: Likewise.
8109 * arm/coff.h: Likewise.
8110 * arm/elf.h: Likewise.
8111 * arm/pe.h: Likewise.
8112 * arm/tcoff.h: Likewise.
8113 * arm/telf.h: Likewise.
8114 * arm/tpe.h: Likewise.
8115 * arm/vxarm.h: Likewise.
8116 * convex/convex.c: Likewise.
8117 * i386/dgux.c: Likewise.
8118 * i386/sun386.h: Likewise.
8119 * m88k/m88k.c: Likewise.
8120 * mcore/mcore-pe.h: Likewise.
8121 * mips/mips.h: Likewise.
8122 * romp/romp.h: Likewise.
8123 * sh/sh.c: Likewise.
8124 * cpphash.c: Likewise.
8125 * cppinit.c: Likewise.
8126 * dwarf2out.c: Likewise.
8127 * dwarfout.c: Likewise.
8130 * mips-tfile.c: Likewise.
8131 * protoize.c: Likewise.
8132 * toplev.c: Likewise.
8135 * version.c (version_string): Constify a char*.
8137 * version.h: New file.
8139 2000-02-14 Nick Clifton <nickc@cygnus.com>
8141 * configure.in: Add mcore-elf and mcore-pe targets.
8142 * configure: Regenerate.
8144 * NEWS: Add note that MCore port has been contributed.
8146 * invoke.texi: Document command line switches for MCore port.
8147 * install.texi: Add MCore to list of supported targets.
8149 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8151 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8152 then we will need to import the frame handling functions.
8153 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8154 to import the frames themselves.
8156 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8157 Jason Eckhardt <jle@cygnus.com>
8159 * basic_block.h: Added prototype for reorder_basic_blocks.
8160 * toplev.c: Changes to add -freorder-blocks and graph dump after
8161 block reordering is done.
8162 * flow.c (reorder_block_def): New structure for use during block
8164 (REORDER_BLOCK_*): New macros to access members of above structure.
8165 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8166 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8167 functions for block reordering.
8169 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8171 * gcc.texi (Passes): Fix typo.
8172 * md.texi (Standard Names): Ditto.
8173 * tm.texi (Storage Layout): Ditto.
8175 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8177 * cpplib.c (do_define): Only free the old definition if it
8180 2000-02-13 Neil Booth <NeilB@earthling.net>
8182 * cppfiles.c (read_and_prescan): When emitting deferred
8183 newlines, test speccase[] again instead of checking each
8184 possible whitespace character in turn. When we encounter \r,
8185 look behind for \n first, then ahead.
8187 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8189 * cse.c (cse_altered): New internal flag.
8190 (cse_insn): Set it if we changed an insn.
8191 (cse_main): Clear cse_altered before each basic block.
8192 Only garbage collect if cse_altered is true afterward.
8194 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8196 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8198 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8200 * combine.c (simplify_comparison): Fix typo.
8202 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8204 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8207 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8209 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8210 previously inserted node instead of root node. Caller changed.
8212 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8214 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8216 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8218 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8219 __dereg_frame_dtor): Add prototype argument.
8221 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8223 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8225 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8227 * gthr-vxworks.h (__gthread_once): Likewise.
8229 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8231 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8233 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8234 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8235 stack pointer in functions w/o saved registers, output LEAVE more often
8236 on TARGET_USE_LEAVE machines.
8238 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8240 * config/arm/arm.c (arm_init_cumulative_args); New function:
8241 Initlaise the CUMULATIE_ARGS strcuture for a function
8243 (arm_function_arg): New function: Determine where to place a
8244 function's argument. Also handles deciding the function's
8246 (current_file_function_operand): New function: Return true if
8247 the symbol is a function which has already been compiled.
8248 (arm_is_long_call_p): New function: Return true if the
8249 indicated function should be called via a long call.
8250 (arm_valid_type_attribute_p): New function: Return true if the
8251 attribute is a valid, arm specific, attribute.
8252 (arm_comp_type_attribute): New function: Return true if the
8253 two types have compatable, arm specific, attributes.
8255 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8257 (FUNCTION_ARG): Redefine to call arm_function_arg.
8258 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8260 (INIT_CUMULATIVE_ARGS): Redefine to call
8261 arm_init_cumulative_args.
8262 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8264 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8266 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8268 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8269 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8270 (COMP_TYPE_ATTRIBUTES): Define.
8272 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8273 if a long call is needed.
8274 (call_value): Call arm_is_long_call_p to decide if a long call
8276 (call_symbol): Call arm_is_long_call_p to decide if a long call
8279 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8281 2000-02-11 Denis Chertykov <denisc@overta.ru>
8283 * README.AVR: New file with information about the avr ports.
8284 * config/avr: New directory with avr port files.
8286 2000-02-11 Andreas Jaeger <aj@suse.de>
8288 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8290 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8292 * cpphash.c: Fix formatting, update commentary.
8293 (dump_definition): Take three separate arguments instead of a
8294 MACRODEF structure argument.
8295 * cpphash.h: Update prototype of dump_definition.
8296 * cppinit.c (cpp_finish): Update call of dump_definition.
8298 * cpplib.c (do_define): Always create new hash entry with
8299 T_MACRO type. Remove redundant check for redefinition of
8300 poisoned identifier. Update call of dump_definition.
8301 (do_undef): Don't call check_macro_name. Rename sym_length to
8303 (do_error, do_warning): Don't use copy_rest_of_line or
8305 (do_warning): Don't use pedwarn for the actual warning,
8306 only the notice about its not being in the standard. (Fixes
8307 bug with #warning in system headers.)
8308 (do_ident): Stricter argument checking - accept only a single
8309 string after #ident. Also, macro-expand the line.
8310 (do_xifdef): Use cpp_defined. De-obfuscate.
8312 (do_pragma): Split out specific pragma handling to separate
8313 functions. Use get_directive_token. Update commentary. Do
8314 not pass on #pragma once or #pragma poison to the front end.
8315 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8316 do_pragma_default): New.
8318 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8320 * jump.c (jump_optimize_1): The first operand in a relational
8322 * optabs.c (emit_conditional_move): Handle relationals which
8323 have a known true/false result.
8325 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8327 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8328 a RETURN insn into a block which already ends with a jump.
8330 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8332 * haifa-sched.c (BUF_LEN): Increase a lot.
8334 2000-02-11 Nick Clifton <nickc@cygnus.com>
8336 * configure.in: Add tm_p_file specification for thumb targets.
8337 * configure: Regenerate.
8339 * config/arm/thumb-protos.h: New file: Prototypes for exported
8340 functions defined in thumb.c.
8342 2000-02-11 Robert Lipe <robertl@sco.com>
8344 * Makefile.in (bootstrap-lean): Remove additional files.
8345 (bootstrap2-lean): Likewise.
8346 (VOL_FILES): List of files for above.
8348 2000-02-11 Nathan Sidwell <nathan@acm.org>
8350 * cpphash.c (special_symbol): Remove spurious argument to
8353 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8355 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8357 * configure: Rebuilt.
8359 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8361 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8363 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8365 * pa.c, pa.h: Remove trigraph sequences within comments.
8367 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8369 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8371 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8373 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8375 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8377 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8379 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8381 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8382 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8383 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8384 (ASM_FILE_END): Use c4x_file_end.
8385 * config/c4x/c4x.c (c4x_global_label): New function.
8386 (c4x_external_ref, c4x_file_end): Likewise.
8388 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8389 (c4x_external_ref, c4x_end_file): Likewise.
8391 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8393 * cppexp.c: Don't include cpphash.h.
8394 (parse_charconst, cpp_lex): Use cpp_defined.
8395 (cpp_lex): Use get_directive_token throughout. Remove
8396 unnecessary cases from switch. Move assertion-handling code
8398 (cpp_parse_expr): If we see '+' or '-', check the context to
8399 determine if they are unary or binary operators. Streamline
8400 the jumps a bit. Do not call skip_rest_of_line.
8402 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8403 static. Export get_directive_token. Update commentary.
8404 (cpp_defined): New function.
8405 (do_define): Remove reference to T_PCSTRING. Call
8406 free_definition to release memory for old definition, when
8408 (eval_if_expression): Set only_seen_white to 0 before calling
8409 cpp_parse_expr. Call skip_rest_of_line after it returns.
8410 (cpp_read_check_assertion): Don't preserve a pointer into the
8411 token buffer across a call to cpp_get_token.
8413 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8414 * cppfiles.c (redundant_include_p): Use cpp_defined.
8415 * cpphash.c (free_definition): New function.
8416 (delete_macro): Use it. Update commentary.
8417 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8419 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8420 from enum node_type. Prototype cpp_defined and get_directive_token.
8421 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8423 * fix-header.c (check_macro_names): Use cpp_defined.
8424 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8425 the options structure.
8427 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8429 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8431 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8433 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8434 rather than die->die_tag.
8436 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8438 * combine.c (make_extraction, force_to_mode): Avoid warning on
8439 mixed-signedness conditionals.
8440 (make_field_assignment, nonzero_bits): Likewise.
8441 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8442 (store_split_bit_field, extract_split_bit_field): Likewise.
8443 (extract_fixed_bit_field, store_bit_field,
8444 * expr.c: Change alignment to be unsigned everywhere.
8445 (move_by_pieces, store_constructor_field, store_constructor):
8446 Alignment parm is unsigned.
8447 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8448 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8449 (do_compare_rtx_and_jump): Likewise.
8450 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8451 Compare align with GET_MODE_ALIGNMENT.
8452 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8453 (get_inner_reference): Likewise.
8454 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8455 (expand_assignment): Local vars for alignment now unsigned.
8456 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8457 (do_compare_and_jump): Likewise.
8458 (store_field): Call new function expr_align.
8459 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8460 Alignment arg now unsigned.
8461 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8462 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8463 (extract_bit_field): Likewise.
8464 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8465 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8466 (get_best_mode): Alignment arg is unsigned.
8467 * rtl.h (move_by_pieces): Likewise.
8468 * store-layout.c (maximum_field_alignment, set_alignment):
8470 (layout_decl): Alignment arg is now unsigned.
8471 Remove unneeded casts.
8472 (layout_record, layout_union, layout_type): Remove unneeded casts.
8473 Local alignment variables now unsigned.
8474 (get_best_mode): Alignment arg now unsigned.
8475 * tree.c (expr_align): New function.
8476 * tree.h (expr_align): Likewise.
8477 (maximum_field_alignment, set_alignment): Now unsigned.
8478 (get_inner_reference): Alignment argument is now pointer to unsigned.
8479 * varasm.c (assemble_variable): Add cast to eliminate warning.
8481 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8483 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8484 then store directly into op0.
8486 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8487 the CALL_INSN, and emit the note immediately after it.
8489 2000-02-10 Nick Clifton <nickc@cygnus.com>
8491 * config/arm/thumb.md (epilogue): Include a (return) in the
8492 generated insn, and emit it using emit_jump_insn not
8495 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8497 * function.c (assign_temp): Change zero-sized arrays to size 1.
8498 * integrate.c (expand_inline_function): Do not update
8499 stack_alignment_needed
8500 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8501 add some sanity checking, remove optimization for function with
8504 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8506 * flow.c (mark_regs_live_at_end): Delete unused variables.
8508 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8510 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8511 in macro FRAME_GROWS_DOWNWARD.
8513 * stmt.c (expand_end_bindings): Delete unused variable.
8515 * unroll.c (iteration_info): Mark parameter `loop' with
8518 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8520 * fixinc/server.c (load_data): Return NULL if the marker line is
8522 (run_shell): If load_data returns NULL, retry the command once, in
8525 * configure: Rebuilt.
8527 2000-02-09 Bruce Korb <bkorb@gnu.org>
8529 * gcc/fixincludes: ** DELETED **
8530 * gcc/fixcpp: ** DELETED **
8531 * gcc/fixinc-nt.sed: ** DELETED **
8532 * gcc/just-fixinc: ** DELETED **
8533 * gcc/Makefile.in: Removed out-dated commentary
8534 * gcc/configure.in: Removed fast-fixincludes disablement.
8535 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8537 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8538 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8541 2000-02-09 Richard Henderson <rth@cygnus.com>
8543 * jump.c (delete_insn): Don't delete user labels at -O0.
8545 2000-02-09 Robert Lipe <robertl@sco.com>
8547 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8548 Don't link with HOST_LIBS.
8550 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8552 * configure.in: Correct --help text for --with-dwarf2.
8553 Put tm-dwarf2.h after other tm files, if it's requested.
8554 * configure: Regenerate.
8555 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8558 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8560 * cpplib.h: Provide HASHNODE typedef and forward decl of
8561 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8562 DEFINITION, struct hashnode, struct macrodef, struct
8563 definition, scan_decls prototype, default defn of
8564 INCLUDE_LEN_FUDGE moved elsewhere.
8566 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8567 definition, and struct hashnode moved here. Remove the unused
8568 'predefined' field from struct definition. Replace the 'args'
8569 union with its sole member. All users updated (cpphash.c).
8570 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8571 multiple include guard.
8573 * cpphash.c (hashf): Make static; use better algorithm; drop
8574 HASHSIZE parameter; return an unsigned int.
8575 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8576 used. Calculate HASHSIZE modulus here.
8577 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8579 (create_definition): Drop PREDEFINITION parameter.
8580 * cpplib.c (do_define): Don't calculate a hash value here.
8581 Don't pass (keyword == NULL) to create_definition.
8583 * scan.h: Prototype scan_decls here.
8584 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8585 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8586 callers of cpp_lookup and cpp_install updated.
8588 * cpphash.c (macarg): Hoist all the flag diddling out of the
8590 (macroexpand): ... and out of the loop that calls macarg.
8591 Skip over the initial paren before macro arguments with
8592 cpp_get_non_space_token; point may be some distance before
8593 that paren. Abort if it's not there.
8595 * cpplib.c (parse_clear_mark): Delete function.
8596 (parse_set_mark, parse_goto_mark): Make static.
8597 (ACTIVE_MARK_P): New macro.
8598 (skip_block_comment, skip_line_comment): Do not bump the line
8599 if ACTIVE_MARK_P is true.
8600 (cpp_pop_buffer): The buffer to be popped may not have an
8602 (cpp_get_token): When looking for the initial paren before
8603 macro arguments, only set a mark in a file buffer, Always
8604 return to that mark before proceeding to call macroexpand or
8605 return a NAME token.
8607 * cpplib.h: Remove prototypes of parse_set_mark,
8608 parse_clear_mark, parse_goto_mark.
8609 (struct cpp_options): Rename 'put_out_comments' to
8610 'discard_comments' and invert its sense.
8611 * cppinit.c, cpphash.c, cpplib.c: All users of
8612 put_out_comments changed to use discard_comments, with
8615 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8617 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8618 the edge from a block that both jumps and falls through to the
8621 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8623 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8624 constant source address is legitimate.
8626 2000-02-09 Philip Blundell <pb@futuretv.com>
8628 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8631 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8633 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8635 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8637 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8638 ends with a newline and a NUL. Don't be so clever manipulating
8641 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8643 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8644 not to BIGGEST_ALIGNMENT.
8646 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8648 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8649 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8650 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8651 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8652 * frame.c (execute_cfa_insn): Handle
8653 DW_CFA_GNU_negative_offset_extended.
8655 2000-02-08 Richard Henderson <rth@cygnus.com>
8657 * flow.c (tidy_fallthru_edges): Split out from ...
8658 (delete_unreachable_blocks): ... here.
8659 (find_basic_blocks): Use it.
8661 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8663 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8665 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8667 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8668 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8669 (fix-header.o): Don't depend on cpphash.h.
8671 * scan.c (hashstr): New function.
8672 * scan.h: Prototype it.
8673 * fix-header.c: Don't include cpphash.h. Use hashstr.
8674 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8675 hashstr. Report hash table statistics. Add private
8676 definition of xrealloc.
8678 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8680 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8682 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8684 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8685 jumps with returns unless they are jumps to the fallthru block.
8687 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8689 * i386.md (addqi3_cc): Fix contraints.
8691 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8693 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8695 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8697 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8698 carriage return after a macro name.
8700 2000-02-07 Fred Fish <fnf@be.com>
8702 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8703 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8705 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8707 * cppfiles.c (deps_output): Count spacers in deps_column.
8709 2000-02-07 Neil Booth <NeilB@earthling.net>
8711 * cppinit.c (initialize_dependency_output): If there is no
8712 suffix, don't try to look for known suffixes. Use strrchr.
8713 (cpp_start_read): Remove duplicate initialization.
8715 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8717 * calls.c (compute_argument_block_size): New argument
8718 preferred_stack_boundary.
8719 (expand_call): update cfun->preferred_stack_boundary, update call of
8720 compute_argument_block_size
8721 (emit_library_call): Increate cfun->preferred_stack_boundary
8722 to PREFERRED_STACK_BOUNDARY
8723 (emit_library_call_value): Likewise.
8724 * explow.c (allocate_dynamic_stack_spave): Likewise.
8725 * function.c (prepare_function_start): Set
8726 cfun->preferred_stack_boundary
8727 * function.h (struct function): Add preferred_stack_boundary field.
8728 * integrate.c (expand_inline_function): Update
8729 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8730 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8731 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8733 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8735 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8736 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8737 cpp_pedwarn, cpp_pedwarn_with_line,
8738 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8739 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8740 v_cpp_error_with_line, v_cpp_warning_with_line,
8741 cpp_message_from_errno, cpp_perror_with_name): Delete.
8743 * cpperror.c (cpp_print_containing_files): Take starting
8745 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8746 (v_cpp_message): Now called directly by all entry points.
8748 (cpp_pfatal_with_name, cpp_message): Delete.
8749 (cpp_notice_from_errno, cpp_ice): New functions.
8750 (cpp_notice): Is now for reporting error conditions, just
8751 without an associated file.
8752 (cpp_error, cpp_error_with_line): Don't do anything if
8753 opts->inhibit_errors is on.
8754 (cpp_pedwarn_with_file_and_line): Take column argument also.
8756 * cpplib.h: Update prototypes of exported functions.
8757 (struct cpp_options): Add inhibit_errors.
8759 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8760 non-error messages. Include intl.h.
8762 * cppinit.c, cppmain.c: Likewise. Also, use
8763 cpp_notice_from_errno instead of cpp_perror_with_name or
8764 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8766 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8767 report internal errors.
8769 * cpplib.c (do_define): Switch bcopy to memcpy.
8770 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8772 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8773 bail out early if we hit a line comment.
8775 2000-02-06 Richard Henderson <rth@cygnus.com>
8777 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8778 * basic-block.h: Declare them.
8779 * emit-rtl.h (active_insn_p): New.
8780 (next_active_insn, prev_active_insn): Use it.
8781 * rtl.h: Declare it.
8782 * function.c (emit_return_into_block): New.
8783 (thread_prologue_and_epilogue_insns): Insert return insns instead
8784 of epilogues when possible.
8785 * jump.c (jump_optimize_1): Remove code to insert a return insn
8786 on the fallthru to the exit block.
8788 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8789 and for non-empty stack frames.
8790 * i386.md (return): Expand to return-pop as needed.
8792 2000-02-06 Richard Henderson <rth@cygnus.com>
8794 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8795 constant to op1 for testing.
8797 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8799 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8800 (fixuns_truncqfqi2): Use it.
8802 2000-02-06 Richard Henderson <rth@cygnus.com>
8804 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8807 * i386.md (widening and peepholes): Mask the constant instead of
8810 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8812 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8813 input pointer before possibly branching off to the backslash
8815 * cpphash.c (macroexpand): Correctly delete \r escapes when
8816 stringifying parameters.
8817 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8818 if we can; bail out early if we hit a line comment.
8819 (handle_directive): Treat '# 123' in an .S file just like
8820 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8821 Return 1 for '# not_a_directive'.
8822 (get_directive_token): Pop macro buffers here, so that
8823 cpp_get_token can't sneakily move past a newline.
8825 (cpp_get_token): goto randomchar if handle_directive returns 0.
8827 * cppalloc.c: Update copyright.
8828 * cpplib.c: Merge all the static function prototypes into one
8830 * cpplib.h: Remove #if 0 block.
8832 * cpperror.c: Remove #ifdef EMACS block.
8833 * cppmain.c: Likewise.
8834 * cpphash.c: Remove #if 0 blocks.
8835 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8836 * cpplib.c: Remove #if 0 blocks and code referencing
8837 pcp_inside_if or for_lint. Remove duplicate error message.
8838 Fix error messages for #else after #else or #elif. Reformat.
8839 Remove archaic TODO list.
8840 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8842 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8844 * i386/osf1elf.h: Add missing backslash to multiline string.
8846 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8848 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8850 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8852 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8854 * c-common.c: Include expr.h.
8856 * c-pragma.c (mark_align_stack): Add prototype.
8858 * caller-save.c (add_stored_regs): Likewise.
8860 * combine.c (record_promoted_value): Likewise.
8862 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8865 * cppinit.c (new_pending_define): Likewise.
8867 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8869 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8870 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8871 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8872 class_scope_p): Likewise.
8874 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8875 dwarf2out_add_library_unit_info): Likewise.
8877 * ggc.h (ggc_page_print_statistics): Likewise.
8879 * haifa-sched.c (propagate_deps): Likewise.
8881 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8883 * rtl.h (set_stack_check_libfunc): Likewise.
8885 * toplev.h (set_fatal_function): Likewise.
8887 * toplev.c (set_fatal_function): Delete prototype.
8889 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8891 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8893 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8894 (FUNC_END): Likewise.
8896 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8898 * caller-save.c: Include tm_p.h.
8900 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8902 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8904 2000-02-04 Neil Booth <NeilB@earthling.net>
8906 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8909 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8911 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8912 * genflags.c: Use the max_operand_1 logic from genemit.c to
8913 calculate how many arguments gen_insn prototypes have. Remove
8914 NO_MD_PROTOTYPES ifdefs from the generated file.
8915 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8916 file. Cast gen_insn initializers to insn_gen_fn.
8917 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8918 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8920 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8922 * fixinc/Makefile.in (HDR): Add machname.h.
8925 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8927 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8928 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8929 (c4x_cpu_version): Ditto.
8930 * config/c4x/c4x-protos.h: ... here.
8932 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8934 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8935 gen_abstract_function on our context if we're a nested function.
8937 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8939 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8940 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8942 2000-02-04 Bruce Korb <bkorb@gnu.org>
8944 * fixinc/genfixes(machname.h):
8945 Move the functionality from gen-machine.h into this file.
8946 UNdef MN_NAME_PAT if there are no names to change.
8947 Also, be a little kinder when AutoGen is not present.
8949 * fixinc/Makefile.in(machname.h):
8950 Change the generation rule to use genfixes.
8952 * fixinc/fixfixes.c(machine_name):
8953 machine_name_fix's functionality now dependent upon whether
8954 MN_NAME_PAT is defined.
8956 * fixinc/fixtests.c(machine_name):
8959 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8962 * fixinc/fixlib.h(mn_get_regexps):
8965 * fixinc/gen-machine.h: DELETED
8967 2000-02-04 Jan Hubicka <jh@suse.cz>
8968 Richard Henderson <rth@cygnus.com>
8970 * i386.c (SAVE_REGS_FIRST): Remove.
8971 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8972 (ix86_compute_frame_size): Likewise.
8973 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8974 (ix86_emit_restore_regs): Remove.
8975 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8976 when a frame pointer is in use.
8977 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8978 instead of pop to restore a register when profitable; emit leave
8980 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8982 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8983 * i386.md (prologue_allocate_stack): Remove.
8984 (epilogue_deallocate_stack): Remove.
8985 (pro_epilogue_adjust_stack): New.
8987 2000-02-04 Richard Henderson <rth@cygnus.com>
8989 * function.c (diddle_return_value): Rework to use a callback function.
8990 Use current_function_return_rtx if it's been set up.
8991 (do_clobber_return_reg, clobber_return_register): New.
8992 (do_use_return_reg, use_return_register): New.
8993 (expand_function_end): Use them.
8994 * stmt.c (expand_null_return): Likewise.
8995 * function.h: Declare them.
8996 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8997 (mark_reg): Change arguments as appropriate for callback.
8998 * integrate.c (expand_inline_function): Revert 19 Jan change.
9000 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9002 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9003 (Misc): Say the scheduler, not the Haifa scheduler.
9005 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9007 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9008 when in_mem is set. Update all callers.
9010 2000-02-04 Richard Henderson <rth@cygnus.com>
9012 * i386/openbsd.h (INT_ASM_OP): Define.
9014 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9016 * tm.texi: Fix various typos.
9018 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9020 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9021 (MD_STARTFILE_PREFIX_1): New macro.
9023 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9025 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9026 destination when needed.
9027 (strmovsi, strsetsi): New expander.
9028 (strmovsi_1, strsetsi_1): New pattern.
9029 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9030 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9031 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9032 * invoke.texi (align-stringops, inline-all-stringops): Document.
9034 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9036 * i386/netbsd.h (INT_ASM_OP): Define.
9038 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9040 * cpplib.h (cpp_reader): Add new flag, no_directives.
9041 * cpphash.c (macarg): Set it.
9042 * cpplib.c (handle_directive): If no_directives is on and we
9043 find a directive, issue an error and discard the line.
9045 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9047 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9048 FP constants. Add ! TARGET_FPU check for FP constants.
9050 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9052 * flow.c (find_basic_blocks): Don't kill label_value_list
9054 (cleanup_cfg): Kill it here.
9056 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9058 * expr.c (store_field): Ensure ALIGN is no stricter than the
9061 2000-02-02 Richard Henderson <rth@cygnus.com>
9063 * jump.c (delete_insn): Partially revert 19 Jan change;
9064 don't convert unused code labels to notes at -O0.
9066 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9068 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9069 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9071 2000-02-01 Richard Henderson <rth@cygnus.com>
9073 * i386.c (general_no_elim_operand): New.
9074 (nonmemory_no_elim_operand): New.
9075 (ix86_expand_move): Copy eliminable operands before a push.
9076 * i386-protos.h: Declare new functions.
9077 * i386.h (CAN_ELIMINATE): Simplify.
9078 (PREDICATE_CODES): Update.
9079 * i386.md (push insns): Don't allow eliminable register operands.
9081 2000-02-01 Richard Henderson <rth@cygnus.com>
9083 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9084 replace BLKmode with DECL_RTL's mode.
9086 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9088 * frame.c (find_fde): Convert for loop to do-while so compiler
9089 sees it's always executed at least once.
9090 * libgcc2.c (BBINBUFSIZE): Kill.
9091 (__bb_init_prg): Use fgets.
9092 (__bb_exit_trace_func): Don't paste strings.
9093 * unroll.c (unroll_loop): Initialize unroll_type, not
9094 unroll_number, and tweak logic to match.
9096 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9098 (ix86_flags_dependant): Likewise. Disentangle control flow.
9099 (ix86_sched_reorder): Break guts out to
9100 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9101 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9104 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9105 use string concatenation. Don't save and restore esi.
9107 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9108 (machname.h): Remove script to separate file. Use two-step
9109 sequence so target is not created if script fails.
9110 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9111 identifiers are defined.
9112 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9113 an empty string, machine_name doesn't need to do anything at
9115 (is_cxx_header): Add more cases to regexp.
9116 * fixinc/fixlib.h: Update prototype.
9117 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9119 * fixinc/fixincl.c: Define NO_BOGOSITY.
9121 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9122 (hp_sysfile): Add missing comma.
9123 (math_exception): Put the wrapper ifdefs at the beginning and
9124 the end of the file.
9125 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9127 2000-02-01 Richard Henderson <rth@cygnus.com>
9129 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9130 Use CONST0_RTX. Update all callers.
9131 * sparc.h, sparc-protos.h: Update accordingly.
9132 * sparc.md (fp mov insns): Use fp_zero_operand directly
9135 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9137 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9140 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9142 * Makefile.in (specs.ready): New target.
9143 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9145 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9147 * fixinc.irix: Use unique filenames for writing into /tmp,
9148 * fixinc.ptx: Likewise.
9149 * fixinc.sco: Likewise.
9150 * fixinc.svr4: Likewise.
9151 * fixinc.winnt: Likewise.
9153 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9155 * tsystem.h: New file.
9157 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9158 s-crtS): Depend on tsystem.h.
9160 * crtstuff.c: Include tsystem.h.
9161 * frame.c: Likewise.
9162 * libgcc2.c: Likewise.
9164 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9166 * builtins.c (expand_builtin_memset): Expand for variable sized
9169 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9171 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9174 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9176 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9178 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9180 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9182 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9183 case 3->2 combining (combining with splitting) in which 2 is CC0
9184 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9185 checked at the begining of the function with the aid of calling
9186 function 'can_combine_p'.
9188 2000-01-31 Dave Brolley <brolley@redhat.com>
9190 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9192 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9194 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9197 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9199 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9201 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9204 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9206 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9207 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9208 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9209 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9210 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9211 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9212 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9213 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9214 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9215 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9217 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9218 Add %(cpp_cpu) to CPP_SPEC.
9220 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9221 Add %(cc1_cpu) to CC1_SPEC.
9223 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9225 * c-decl.c (c_decode_option): Accept optional numeric argument to
9226 -Wformat and set warn_format.
9227 * c-common.c: Don't emit warning about non-constant printf format
9228 string unless warn_format > 1.
9230 2000-01-30 Richard Henderson <rth@cygnus.com>
9232 * alpha.md (return_internal): Allow after reload only.
9234 2000-01-30 Richard Henderson <rth@cygnus.com>
9236 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9237 local frame size is zero.
9239 2000-01-30 Richard Henderson <rth@cygnus.com>
9241 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9242 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9243 * alpha.md (return): Turn into an expander.
9244 (return_internal): Don't use $26.
9245 (epilogue): Emit the return insn.
9247 2000-01-30 Richard Henderson <rth@cygnus.com>
9249 * alpha.md (negtf2, abstf2): Fix word order thinko.
9251 (trunctfsf2): Avoid intermediate rounding errors.
9253 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9255 * cppfiles.c (find_position): Drop 'colp' argument, return the
9257 (read_and_prescan): Adjust to match. Don't ever manipulate
9258 line or line_base except via find_position.
9260 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9262 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9263 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9266 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9268 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9269 just print "<command line>". If 'filename' is null or an
9270 empty string, print "<stdin>" for the filename.
9271 * cpplib.c (do_define): Don't print the 'location of the
9272 previous definition' message if we're still parsing the
9274 (cpp_pedwarn_with_file_and_line): Always call
9275 cpp_file_line_for_message.
9277 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9279 * flow.c (mark_regs_live_at_end): Fix typo.
9281 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9283 * c-common.c: Adjust variable names, comments, help strings to c99.
9284 * c-lex.c: Likewise.
9285 * c-parse.y: Likewise.
9286 * c-tree.h: Likewise.
9288 * cpplib.h: Likewise.
9289 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9290 * cppinit.c: Likewise.
9292 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9294 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9295 * c4x.c: Define the optab rtx values.
9296 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9297 (c4x_emit_libcall): Use new optab rtx values.
9298 (c4x_emit_libcall3): Likewise.
9299 (c4x_emit_libcall_mulhi): Likewise.
9300 * c4x-protos.h: Add prototypes for optab rtx values and change
9301 prototypes for above c4x_emit_libcall functions.
9303 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9305 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9307 (c4x_function_prologue): Use regnames intead of float_reg_names when
9309 (c4x_function_epilogue): Likewise.
9310 (c4x_print_operand): Likewise.
9311 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9312 * c4x.md (set_high): Disable for TARGET_TI.
9314 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9316 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9317 of framepointer + constant to ADDR_REGS class.
9318 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9319 * c4x.c (std_or_reg_operand): New function.
9320 * c4x-protos.h (std_or_reg_operand): Prototype it.
9322 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9324 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9325 object names as libgcc2.c.
9326 * libgcc.S: Use newly defined names.
9328 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9329 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9331 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9332 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9333 (FLOW_LOOP_LAST_BLOCK): Likewise.
9335 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9337 * basic-block.h (struct loop): New fields 'first' and 'last'.
9338 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9339 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9340 and loop->last to check for NOTE_INSN_LOOP_END.
9342 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9344 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9345 of the loop descriptor rather than HEADER and LATCH. Also added
9346 missing break statements as well making some coding style modifications
9347 as suggested by Michael Hayes.
9349 2000-01-28 Richard Henderson <rth@cygnus.com>
9351 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9352 Break out that code ...
9353 (cleanup_cfg): ... here.
9354 (commit_one_edge_insertion): Detect a return instruction being
9355 emitted to an edge. Emit a barrier following; clear fallthru.
9356 (commit_edge_insertions): Verify CFG consistency.
9357 * function.c (expand_function_start): Kill unused variable.
9358 (expand_function_end): Likewise.
9359 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9360 to insert the epilogue.
9362 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9363 (delete_null_pointer_checks): Likewise.
9364 * output.h: Likewise.
9365 * reg-stack.c (reg_to_stack): Likewise.
9366 * toplev.c (rest_of_compilation): Likewise. Run
9367 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9369 2000-01-28 Richard Henderson <rth@cygnus.com>
9371 * Makefile.in (flow.o): Revert 24 Jan change.
9372 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9373 FUNCTION_VALUE result to DECL_RESULT's mode.
9375 * haifa-sched.c (schedule_insns): Don't recompute reg info
9378 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9380 * configure.in: Make --enable-cpplib the default.
9381 * configure: Regenerate.
9382 * gcc.dg/990119-1.c: No longer expected to fail.
9384 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9386 * jump.c (jump_optimize_1): Delete an optimization that is also done
9387 by merge_blocks in flow.
9389 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9391 * diagnostic.c (build_message_string, output_printf,
9392 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9393 (build_location_prefix): Fix non-literal format string.
9395 2000-01-27 Richard Henderson <rth@cygnus.com>
9397 * alpha.md (trunctfsf2): New.
9399 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9401 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9403 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9405 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9407 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9409 (skip_comment) ... here. Permit C++ comments in system
9410 headers always. Warn about C++ comments in user code under
9411 -std=gnu89 -pedantic.
9412 (copy_comment): Use skip_comment.
9413 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9415 (consider_directive_while_skipping, do_else, do_endif): Call
9416 validate_else unconditionally.
9417 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9418 text after the conditional in a system header.
9419 * cpplib.h (struct cpp_buffer): Add flag
9420 warned_cplusplus_comments.
9422 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9424 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9425 Use unshare_all_rtl_1.
9426 (unshare_all_rtl_again): New function.
9427 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9429 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9430 rather than resetting the 'used' flags ourself.
9432 * toplev.c (rest_of_compilation): Add current_function_decl
9433 to the unshare_all_rtl call.
9434 * tree.h: Prototype unshare_all_rtl.
9435 * rtl.h: Prototype unshare_all_rtl_again here.
9437 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9439 * genoutput.c (output_prologue): Include ggc.h in generated
9441 * Makefile.in (insn-output.o): Depends on ggc.h.
9443 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9444 Hans-Peter Nilsson <hp@bitrange.com>
9446 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9447 Remove redundant include of xm-ns32k.h.
9448 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9449 Remove redundant include of xm-ns32k.h.
9450 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9451 Remove redundant include of xm-ns32k.h.
9452 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9454 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9455 (TARGET_SWITCHES): Add documentation strings.
9456 (DWARF_FRAME_REGNUM): Override default definition.
9457 (REG_CLASS_CONTENTS): Add comments.
9458 (SUBSET_P): Format to reduce line length.
9459 (SMALL_REGISTER_CLASSES): Make a run time option.
9460 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9461 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9462 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9463 (regclass_map): fix typo in comment.
9464 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9465 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9466 (trace, reg_or_mem_operand): Delete, unused function.
9467 (calc_address_cost): Small offsets are cheaper than large ones.
9468 (expand_block_move): Generate more efficient code when bytes is a
9469 known at compile time.
9470 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9471 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9472 instead of reg_or_mem_operand.
9474 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9475 not general_operand. Similarly use "=rm" or stricter, not "=g".
9476 For input operands, use stricter constraints than "g" if not
9477 general_operand. Similarly use stricter predicate than
9478 "general_operand" when stricter constraints than "g" are present,
9479 except for matching constraints.
9480 (movstrsi): Use "memory_operand" for operands 0 and 1.
9481 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9482 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9483 not reg_or_mem_operand.
9484 (udivmoddisi4): Ditto.
9485 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9486 Use nonimmediate_operand for operand 3, not register_operand.
9487 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9490 2000-01-27 Fred Fish <fnf@be.com>
9492 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9493 * gthr-single.h: Likewise.
9494 * gthr-solaris.h: Likewise.
9495 * gthr-vxworks.h: Likewise.
9496 * gthr-win32.h: Likewise.
9499 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9501 * cppinit.c: Add " (cpplib)" to end of string printed by
9504 2000-01-27 Richard Henderson <rth@cygnus.com>
9506 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9507 testing for a signed comparison.
9508 (alpha_emit_floatuns): New.
9509 * alpha-protos.h: Declare it.
9510 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9511 (extendsfdf2): Tidy.
9513 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9515 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9516 no -g option specifying debugging format, default to -gstabs+.
9518 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9520 * calls.c (special_function_p): New argument fork_or_exec.
9521 (expand_call): When profile_arc_flag is set and the function
9522 is in the fork_or_exec group, call __bb_fork_func first.
9523 * libgcc2.c, _bb module (__bb_fork_func): New function.
9524 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9526 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9527 * tree.h (special_function_p): Update prototype.
9529 2000-01-26 Richard Henderson <rth@cygnus.com>
9531 * alpha.c (alpha_split_tfmode_pair): New.
9532 * alpha-protos.h: Declare it.
9533 * alpha.md (abstf2, negtf2): New.
9534 (movtf insn): Add input G constraint.
9535 (movtf splitter): Use alpha_split_tfmode_pair.
9537 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9539 * i386/cygwin.h: PROTO -> PARAMS.
9541 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9543 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9544 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9545 using _Qp_cmp/_Q_cmp and testing the return value.
9546 (print_operand): Call reverse_condition_maybe_unordered if
9547 we are handling CCFPmode or CCFPEmode.
9548 Handle ORDERED, UN* and LTGT comparisons.
9549 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9550 if not TARGET_HARD_QUAD.
9551 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9552 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9553 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9554 Adjust gen_b* calls so that they reflect return comparison of
9555 sparc_emit_float_lib_cmp.
9557 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9559 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9560 incoming operands array is large enough for one more operand.
9561 (alpha_emit_xfloating_arith): Likewise.
9563 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9565 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9566 file with one line and no trailing newline.
9567 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9568 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9569 checking if the match is on the line.
9570 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9572 2000-01-25 Richard Henderson <rth@cygnus.com>
9574 * sparc.c (output_cbranch): Fix accidental squashing of the
9575 fp branch pre-delay nop.
9577 2000-01-25 Richard Henderson <rth@cygnus.com>
9579 * tree.def (UNNE_EXPR): Remove.
9580 * c-typeck.c (build_binary_op): Don't handle it.
9581 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9583 * rtl.def (UNNE): Remove.
9585 * jump.c (reverse_condition): Update accordingly.
9586 (swap_condition): Likewise.
9587 (comparison_dominates_p): Handle unordered comparisons.
9588 (reverse_condition_maybe_unordered): New.
9589 * rtl.h (reverse_condition_maybe_unordered): Declare.
9591 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9592 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9593 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9594 * sparc.md (bltgt): New.
9596 2000-01-25 Nick Clifton <nickc@redhat.com>
9598 * emit-rtl.c (emit_insn): Only check machine class insns for
9599 improper emission of a RETURN.
9601 2000-01-25 Richard Henderson <rth@cygnus.com>
9603 * Makefile.in (flow.o): Depend on $(EXPR_H).
9604 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9605 duplicate the structure of diddle_return_value for keeping regs live.
9607 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9609 * loop.c (current_loop_info): Delete.
9610 (consec_sets_invariant_p): Add loop argument, update callers.
9611 (get_condition_for_loop): Likewise.
9612 (count_nonfixed_reads, update_giv_derive): Likewise.
9613 (simplify_giv_expr, general_induction_var): Likewise.
9614 (consec_sets_giv, recombine_givs): Likewise.
9615 (move_movables): Delete loop_start and loop_end arguments,
9616 add loop argument, and update callers.
9617 (find_mem_givs, check_final_value): Likewise.
9618 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9619 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9621 (basic_induction_var): Add loop argument, delete loop_level argument,
9623 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9624 add loop argument, and update callers.
9625 (find_splittable_regs, find_splittable_givs): Likewise.
9626 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9627 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9628 (biv_total_increment): Delete loop_start and loop_end arguments;
9630 (precondition_loop_p): Delete loop_start and loop_info arguments;
9632 * loop.h (get_condition_for_loop): Add loop argument.
9633 (biv_total_increment): Delete loop_start and loop_end arguments.
9634 (precondition_loop_p): Delete loop_start and loop_info arguments;
9636 (final_biv_value): Delete loop_start and loop_end arguments;
9638 (final_giv_value, back_branch_in_range_p): Likewise.
9640 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9642 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9644 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9646 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9647 point to the new "generated_files" doc.
9649 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9651 * config/fp-bit.c (_unord_f2): Fix typo.
9653 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9655 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9656 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9657 functions obsoleted by GC, such as push_obstacks_nochange,
9658 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9659 and code which existed only to decide whether or not to call
9660 them. Remove now-unused NESTED argument from start_function;
9661 all callers changed. Do not change behavior based on ggc_p.
9662 The use of the ixp_obstack in c-iterate.c and the util_obstack
9663 in objc/objc-act.c remain; these are not obsoleted by garbage
9665 * c-tree.h: Update prototype for start_function.
9667 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9669 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9671 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9674 2000-01-25 Richard Henderson <rth@cygnus.com>
9676 * sparc-protos.h (select_cc_mode): Declare.
9677 * sparc.c (select_cc_mode): New. Handle unordered compares.
9678 (output_cbranch): Always reverse via code change. Handle
9679 unordered compares. Factor tests and string updates.
9680 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9681 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9682 * sparc.md (bunordered, bordered): New.
9683 (bungt, bunlt, buneq, bunge, bunle): New.
9685 2000-01-25 Richard Henderson <rth@cygnus.com>
9687 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9688 * ggc-common.c (ggc_add_rtx_varray_root): New.
9689 (ggc_mark_rtx_varray): New.
9690 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9691 functions down below ggc_mark_foo.
9692 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9694 2000-01-25 Richard Henderson <rth@cygnus.com>
9696 * alpha.c (secondary_reload_class): Don't allocate a secondary
9697 for integral mode memories into FLOAT_REGS. Rearrange the more
9698 complicated memory expression inward.
9700 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9702 * inclhack.def: Fixes to play nicer with FreeBSD, and
9703 corrections to comments.
9704 (cxx_unready): Add select expression.
9705 (irix_sockaddr): Add bypass expression.
9706 (machine_ansi_h_va_list): New fix.
9707 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9708 Split out addition of "#include <stdarg.h>" to...
9709 (stdio_stdarg_h): ... here.
9710 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9711 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9712 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9714 (ultrix_ifdef): Tighten up select expression.
9716 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9717 re_ct and max_mach to avoid use of shell. Make printed names
9718 match names in inclhack.def. Use static copyright date.
9719 Don't count c_test and test expressions as requiring regex_t
9720 slots. Add some commentary.
9721 * inclhack.tpl: Do not include the 'This script contains N
9722 fixup scripts' line if PROGRAM is defined. Use static
9725 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9727 * dwarf2out.c: include "varray.h", not dyn-string.h.
9728 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9729 (addr_const_to_string, addr_to_string): Lose.
9730 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9731 (struct dw_val_struct): val_addr is now an rtx.
9732 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9733 (used_rtx_varray): New varray.
9734 (dwarf2out_init): Initialize it.
9736 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9738 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9739 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9740 * Makefile.in (dwarf2out.o): Update dependencies.
9742 2000-01-24 Richard Henderson <rth@cygnus.com>
9744 * i386.c (i386_dwarf_output_addr_const): New.
9745 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9747 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9749 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9750 * i386.c (i386_simplify_dwarf_addr): New.
9751 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9753 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9755 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9756 TYPE_STUB_DECL is NULL.
9758 2000-01-24 Richard Henderson <rth@cygnus.com>
9760 * builtins.c (expand_tree_builtin): Move ...
9761 * c-common.c (expand_tree_builtin): ... here.
9763 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9765 * loop.h (LOOP_INFO): New accessor macro.
9766 * basic-block.h (struct loop): Rename field `info' to `aux'.
9767 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9768 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9769 * unroll.c (loop_iterations, unroll_loop): Likewise.
9771 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9773 * config/i386/t-cygwin: Accomodate new winsup directory layout
9774 when searching for include files.
9776 2000-01-24 Richard Henderson <rth@cygnus.com>
9778 * rtl.def: Add unordered fp comparisions.
9779 * tree.def: Likewise.
9780 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9782 * builtins.c (expand_tree_builtin): New function.
9783 * c-typeck.c (build_function_call): Use it.
9784 (build_binary_op): Support unordered compares.
9785 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9787 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9788 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9789 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9790 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9791 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9793 (swap_condition): Handle unordered compares.
9794 (thread_jumps): Check can_reverse before reversing.
9795 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9798 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9799 setcc is present before acking for cmp_optab. Update all callers.
9800 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9801 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9802 * expr.c (expand_expr): Likewise. Support unordered compares.
9803 (do_jump, do_store_flag): Likewise.
9804 * expr.h (enum libfunc_index): Add unordered compares.
9806 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9807 (DPBIT_FUNCS): Add _unord_df.
9808 * config/fp-bit.c (_unord_f2): New.
9809 * fp-test.c (main): Try unordered compare builtins.
9811 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9812 * alpha.c (alpha_comparison_operator): Check mode properly.
9813 (alpha_swapped_comparison_operator): Likewise.
9814 (signed_comparison_operator): Likewise.
9815 (alpha_fp_comparison_operator): New.
9816 (alpha_emit_conditional_branch): Handle unordered compares.
9817 * alpha.h (PREDICATE_CODES): Update.
9818 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9819 (bunordered, bordered): New.
9821 2000-01-24 Richard Henderson <rth@cygnus.com>
9823 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9824 * alpha.md (movtf): New expander, insn, and splitter.
9826 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9828 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9831 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9833 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9834 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9835 REG_ALLOC_ORDER): Add frame pointer
9836 (FRAME_POINTER_REGNUM): Set to 20
9837 (HARD_FRAME_POINTER_REGNUM): New macro.
9838 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9839 to HARD_FRAME_POINTER.
9840 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9841 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9842 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9843 (HI_REGISTER_NAMES): Add "frame".
9844 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9845 (debug_reg): Handle FRAME_POINTER_REGNUM.
9846 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9847 GENERAL_REGS and INDEX_REGS.
9848 * i386.c (SAVED_REGS_FIRST): new macro.
9849 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9850 (ix86_decompose_address, memory_address_length): Likewise.
9851 (regclass_map): Add frame pointer.
9852 (call_insn_operand): Handle frame_pointer_rtx.
9853 (reg_no_sp_operand): Likewise.
9854 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9855 (print_operand, legitimize_pic_address): Fix formating.
9856 (ix86_compute_frame_size): Make static, update prototype, new
9857 parameters padding1, padding2, use ix86_nsaved_regs, use
9858 stack_alignment_needed.
9859 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9860 to HARD_FRAME_POINTER_REGNUM conversions.
9861 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9862 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9863 (print_reg): Abort on FRAME_POINTER_REGNUM
9865 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9867 * i386.h (PREDICATE_CODES): Add aligned_operand.
9868 * i386.c (aligned_operand): New function.
9869 (ix86_aligned_p): Kill.
9870 * i386.md (movhi_1): Emit mov for aligned operands.
9871 (promoting peep2s): Use aligned_operand.
9873 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9875 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9876 expression to allow underscores in macro names.
9877 (fix_char_macro_defines): Increment scanning pointer.
9879 2000-01-23 Richard Henderson <rth@cygnus.com>
9881 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9882 * alpha/osf5.h: New file.
9883 * configure.in (alpha-*-osf5): Add it to tm_file.
9885 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9887 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9888 (alpha_emit_xfloating_cvt, function_arg): Declare.
9889 * alpha.c (alpha_emit_conditional_branch): Call
9890 alpha_emit_xfloating_compare for TFmode compares.
9891 (alpha_lookup_xfloating_lib_func): New.
9892 (alpha_compute_xfloating_mode_arg): New.
9893 (alpha_emit_xfloating_libcall): New.
9894 (alpha_emit_xfloating_arith): New.
9895 (alpha_emit_xfloating_compare): New.
9896 (alpha_emit_xfloating_cvt): New.
9897 (print_operand): Add default abort case.
9898 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9899 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9900 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9901 (RETURN_IN_MEMORY): True for TF/TCmode.
9902 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9903 (FUNCTION_ARG): Move to function_arg.
9904 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9905 (ASM_OUTPUT_LONG_DOUBLE): New.
9906 (ASM_OUTPUT_DOUBLE): Always output bits.
9907 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9908 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9909 (extenddftf2, trunctfdf2): New.
9911 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9913 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9914 * config/sparc/sol2.h: ... here.
9916 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9918 * basic-block.h (struct loops): New field `levels'.
9919 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9920 (flow_loop_level_compute): Initialise level to 1.
9921 (flow_loops_find): Set loops->levels.
9922 (flow_loops_dump): Print loops->levels.
9924 2000-01-23 Richard Henderson <rth@cygnus.com>
9926 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9927 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9929 2000-01-23 Richard Henderson <rth@cygnus.com>
9931 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9932 * i386.h (DBX_REGISTER_NUMBER): Use them.
9933 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9934 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9935 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9936 * i386/sequent.h: Kill incorrect comment.
9938 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9940 * ggc-page.c (struct page_entry): Make `context_depth' an
9942 (struct globals): Likewise.
9944 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9946 * loop.c (check_dbra_loop): When checking a loop for
9947 reversability, check the source of any stores to ensure
9948 they don't depend on an initial value.
9950 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9952 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9954 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9956 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9957 'pz_scan' into scope of entire function. Only affects
9958 compiles with -DDEBUG.
9960 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9962 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9963 section naming to that prior to 2000-01-07 patch.
9964 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9965 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9966 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9967 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9968 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9970 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9972 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9975 2000-01-21 Jim Wilson <wilson@cygnus.com>
9977 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9978 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9980 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9982 * cpphash.c (change_newlines): Delete function.
9983 (struct argdata): Delete 'newlines' and 'use_count' fields.
9984 (macroexpand): Remove code referencing those fields.
9986 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9988 * loop.c (loops_info): New variable.
9989 (loop_optimize): Allocate loops->array and free it on exit.
9990 Allocate memory for loops_info and assign to each loop,
9992 (find_and_verify_loops): Do not allocate loops->array.
9994 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9996 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9998 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10000 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10001 pseudos if expanded after first flow.
10002 (movdi_pic_label_ref): Likewise.
10004 2000-01-20 Richard Henderson <rth@cygnus.com>
10006 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10008 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10010 * Makefile.in (fixinc.sh): Depend on specs.
10011 * fixinc/Makefile.in: Add rule to create machname.h.
10012 (fixlib.o): Depend on machname.h.
10013 * fixinc/fixtests.c (machine_name): New test.
10014 * fixinc/fixfixes.c (machine_name): New fix.
10015 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10016 the machine_name test and fix.
10017 * fixinc/fixlib.h: Prototype it.
10018 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10019 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10021 * gcc.c (do_spec_1) [case P]: Take care not to create
10022 identifiers with three leading or trailing underscores.
10024 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10025 (fixincl): Don't specify libraries twice on link line.
10026 (gnu-regex.o): Remove special rule.
10027 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10028 defined by config.h. Do not define _REGEX_RE_COMP.
10029 (regcomp): Allocate and initialize a fastmap.
10030 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10032 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10034 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10036 2000-01-19 Richard Henderson <rth@cygnus.com>
10038 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10039 arguments with BB. Update all callers. Tidy line wrapping.
10041 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10043 * emit-rtl.c (try_split): Return last_insn if we split the
10046 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10048 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10049 (ix86_initial_elimination_offset): Declare.
10050 * i386.c (ix86_nsaved_regs): Break out from ...
10051 (ix86_can_use_return_insn_p): ... here.
10052 (ix86_emit_save_regs): Break out from ...
10053 (ix86_expand_prologue): ... here.
10054 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10056 (ix86_expand_epilogue): ... here.
10057 (ix86_compute_frame_size): Make static, add prototype.
10058 (ix86_initial_elimination_offset): Break out from ...
10059 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10061 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10063 * recog.h (OUT_FCN): Delete.
10065 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10067 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10069 * cppalloc.c: PROTO -> PARAMS.
10070 * cpperror.c: Likewise.
10071 * cppfiles.c: Likewise.
10072 * cpplib.c: Likewise.
10073 * cpplib.h: Likewise.
10075 * config/arm/arm-protos.h: PROTO -> PARAMS.
10076 * config/arm/arm.c: Likewise.
10077 * config/c4x/c4x.c: Likewise.
10078 * config/fr30/fr30-protos.h: Likewise.
10079 * config/nextstep.c: Likewise.
10080 * config/pa/pa.c: Likewise.
10081 * config/pj/pj.c: Likewise.
10082 * config/rs6000/rs6000.c: Likewise.
10083 * config/v850/v850-protos.h: Likewise.
10084 * config/v850/v850.c: Likewise.
10086 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10088 * i370-protos.h: New file.
10090 * i370.c: Include tm_p.h. Fix compile time warnings.
10092 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10095 * i370.md: Likewise.
10097 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10099 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10100 (target_isinf, target_isnan, eisnan): Mark parameter with
10102 (eiisinf): Wrap in INFINITY.
10103 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10104 (ibmtoe): Remove unused variable `rndsav'.
10106 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10108 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10109 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10111 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10113 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10114 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10115 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10117 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10118 Recognize Emacs mode markers also.
10119 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10120 C++ comments in C++ headers. Call is_cxx_header only if
10123 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10124 bypass for ncurses.
10125 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10126 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10127 ... these, which use the new C fixes.
10128 (math_exception): Escape literal '+' in bypass expression.
10130 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10133 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10135 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10138 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10140 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10141 prior to calling scan_loop.
10143 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10145 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10146 (split_branches, calc_live_regs): Likewise.
10148 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10150 * sh.md (fpu_single, fp_mode): New attributes.
10152 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10154 * loop.c (current_loop_info): Renamed from loop_info_data
10155 and changed to a pointer.
10156 (loop_optimize): Allocate loop_info structure for each loop
10157 and initialise to zero.
10158 (scan_loop): Set current_loop_info.
10160 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10163 2000-01-19 Richard Henderson <rth@cygnus.com>
10165 * stupid.c: Die die die.
10166 * Makefile.in (OBJS): Remove stupid.o.
10167 (stupid.o): Likewise.
10169 * except.c (emit_eh_context): Don't emit USEs for stupid.
10170 * explow.c (probe_stack_range): Likewise.
10171 * flags.h (obey_regdecls): Remove.
10172 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10173 when not optimizing.
10174 (life_analysis): Limit data collection when not optimizing.
10175 (mark_regs_live_at_end): Always mark the return value registers.
10176 (mark_used_regs): Remove dummy RETURN case.
10177 (print_rtl_with_bb): Don't consult obey_regdecls.
10178 * function.c (use_variable, use_variable_after): Remove.
10179 (assign_parms): Consult optimize not obey_regdecls.
10180 (expand_function_start): Don't emit USEs for stupid.
10181 (expand_function_end): Likewise.
10182 * global.c (build_insn_chain): Export.
10183 * integrate.c (expand_inline_function): Kill return-value USE
10185 * jump.c (jump_optimize_1): Do simple jump optimizations and
10186 dead code elimination.
10187 (calculate_can_reach_end): Remove check_deleted argument.
10188 (delete_insn): Patch out insns even when not optimizing.
10189 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10190 * rtl.h (use_variable, use_variable_after): Remove declarations.
10191 (build_insn_chain): Declare.
10192 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10193 (expand_end_bindings): Likewise.
10194 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10195 * toplev.c (obey_regdecls): Remove.
10196 (rest_of_compilation): Don't set it. Kill stupid in favour of
10197 flow1, local-alloc, and reload.
10198 (main): Don't set obey_regdecls.
10200 * config/nextstep.c (handle_pragma): Likewise.
10202 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10204 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10206 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10208 * alpha-protos.h: PROTO -> PARAMS.
10209 * alpha.c: Likewise.
10211 * h8300.c: Likewise.
10212 * i386-protos.h: Likewise.
10213 * i386.c: Likewise.
10214 * m32r-protos.h: Likewise.
10215 * m32r.c: Likewise.
10216 * mips.c: Likewise.
10217 * mips.md: Likewise.
10218 * gmon-sol2.c: Likewise.
10219 * sparc.c: Likewise.
10221 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10223 * ns32k-protos.h: New file.
10225 * ns32k.c: Fix compile time warnings.
10227 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10230 * ns32k.md: Likewise.
10232 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10234 * vax-protos.h: New file.
10236 * vax.c: Fix compile time warnings.
10238 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10241 * vax.md: Likewise.
10243 * vaxv.md: Likewise.
10245 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10247 * romp-protos.h: New file.
10249 * romp.c: Fix compile time warnings.
10251 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10254 * romp.md: Likewise.
10256 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10258 * we32k-protos.h: New file.
10260 * we32k.c: Fix compile time warnings.
10262 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10265 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10267 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10269 * except.c (eh_regs): Likewise.
10271 * final.c (output_operand): Likewise.
10273 * fold-const.c (target_isinf, target_isnan): Likewise.
10275 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10277 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10278 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10280 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10281 when optimize_size.
10282 (clrstrsi): Rewrite.
10283 (strsethi, strsetqi): New expanders.
10284 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10285 (cmpstrsi): Emit compare insn before cmpstrsi_1
10286 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10287 (strlensi_1): Likewise.
10288 (cmpstrsi_1): Likewise; do not output compare.
10289 (strlen expander): Do not unroll when optimizing for size.
10290 (*subsi3_carry): Rename to subsi3_carry
10291 (addqi3_cc): New pattern.
10292 * i386.h (processor_costs): Add move_ratio field.
10293 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10294 * i386.c (*_cost): Set move_ratio.
10295 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10296 (x86_expand_strlensi_1): Rewrite the main loop.
10298 2000-01-17 Richard Henderson <rth@cygnus.com>
10300 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10301 * cse.c (find_comparison_args, fold_rtx): Likewise.
10302 * integrate.c (subst_constants): Likewise.
10303 * loop.c (get_condition): Likewise.
10305 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10307 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10309 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10311 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10312 (RESTORE_WARN_FLAGS): Unpack it.
10313 Change semantic type of extension to ttype.
10314 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10315 * c-parse.y, c-parse.c, objc/objc-parse.y,
10316 objc/objc-parse.c: Regenerate.
10318 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10320 * fixinc/fixlib.c: Add copyright notice.
10321 (compile_re): New function.
10322 * fixinc/fixlib.h: Prototype compile_re.
10324 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10325 Use compile_re to compile regular expressions.
10327 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10328 where the pattern matched.
10330 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10332 (ultrix_ansi_compat): Likewise.
10333 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10335 (interactv_add2, interactv_add3): Delete.
10336 (x11_sprintf): Don't use filename glob.
10337 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10340 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10342 * print-rtl.c: PROTO -> PARAMS.
10343 * real.c: Likewise.
10344 * reg-stack.c: Likewise.
10345 * resource.c: Likewise.
10346 * sdbout.h: Likewise.
10347 * simplify-rtx.c: Likewise.
10348 * stor-layout.c: Likewise.
10349 * stupid.c: Likewise.
10350 * xcoffout.c: Likewise.
10351 * xcoffout.h: Likewise.
10353 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10355 * toplev.c: PROTO -> PARAMS.
10356 * toplev.h: Likewise.
10357 * tree.c: Likewise.
10358 * tree.h: Likewise.
10359 * unroll.c: Likewise.
10360 * varasm.c: Likewise.
10361 * varray.c: Likewise.
10362 * varray.h: Likewise.
10364 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10366 * reload.c: PROTO -> PARAMS.
10367 * reload.h: Likewise.
10368 * reload1.c: Likewise.
10369 * reorg.c: Likewise.
10370 * resource.h: Likewise.
10373 * rtlanal.c: Likewise.
10374 * sbitmap.h: Likewise.
10375 * sdbout.c: Likewise.
10376 * stack.h: Likewise.
10377 * stmt.c: Likewise.
10378 * system.h: Likewise.
10380 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10382 * machmode.h: PROTO -> PARAMS.
10383 * mbchar.h: Likewise.
10384 * mips-tdump.c: Likewise.
10385 * mips-tfile.c: Likewise.
10386 * optabs.c: Likewise.
10387 * output.h: Likewise.
10388 * prefix.c: Likewise.
10389 * profile.c: Likewise.
10390 * protoize.c: Likewise.
10391 * real.h: Likewise.
10392 * recog.c: Likewise.
10393 * recog.h: Likewise.
10394 * regclass.c: Likewise.
10395 * regmove.c: Likewise.
10396 * regs.h: Likewise.
10398 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10400 * ggc-common.c: PROTO -> PARAMS.
10401 * ggc-page.c: Likewise.
10402 * ggc-simple.c: Likewise.
10404 * global.c: Likewise.
10405 * graph.c: Likewise.
10406 * gthr-win32.h: Likewise.
10407 * haifa-sched.c: Likewise.
10408 * halfpic.h: Likewise.
10409 * integrate.c: Likewise.
10410 * integrate.h: Likewise.
10411 * jump.c: Likewise.
10413 * local-alloc.c: Likewise.
10414 * loop.c: Likewise.
10415 * loop.h: Likewise.
10417 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10419 * genattr.c: PROTO -> PARAMS.
10420 * genattrtab.c: Likewise.
10421 * gencheck.c: Likewise.
10422 * gencodes.c: Likewise.
10423 * genconfig.c: Likewise.
10424 * genemit.c: Likewise.
10425 * genextract.c: Likewise.
10426 * genflags.c: Likewise.
10427 * gengenrtl.c: Likewise.
10428 * genopinit.c: Likewise.
10429 * genoutput.c: Likewise.
10430 * genpeep.c: Likewise.
10431 * genrecog.c: Likewise.
10433 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10435 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10437 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10439 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10440 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10441 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10442 * configure, config.in: Rebuilt.
10444 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10446 * config/i386/i386.md: Add peephole to merge successive stack
10449 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10451 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10452 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10453 when walking backwards to find all the parameter loads when
10454 the basic block ends in a call.
10456 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10458 * loop.c (this_loop_info): Delete.
10459 (uid_loop): Add in place of uid_loop_num. All uses updated.
10460 (loop_number_exit_count): Delete and replace with entry in loop
10461 structure. All uses updated.
10462 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10463 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10464 (loop_outer_loop): Likewise.
10465 (loop_invalid, loop_number_exit_labels): Likewise.
10466 (loop_used_count_register): Delete and replace with entry in
10467 loop_info structure.
10468 (find_and_verify_loops): Add loops argument.
10469 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10470 loop_end, etc. arguments with loop structure pointer. All callers
10472 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10473 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10474 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10475 (insert_bct): Likewise.
10476 (basic_induction_var): New argument level.
10477 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10478 vtop, and cont. Add used_count_register.
10479 (uid_loop): Delete declaration.
10480 (loop_number_exit_count): Likewise.
10481 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10482 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10483 (loop_outer_loop, loop_used_count_register): Likewise.
10484 (loop_invalid, loop_number_exit_labels): Likewise.
10485 (unroll_loop): Replace loop_start and loop_end arguments
10486 with loop structure pointer.
10487 (loop_precondition_p, loop_iterations): Likewise.
10488 Include basic-block.h.
10489 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10490 with loop structure pointer.
10491 (loop_precondition_p, loop_iterations): Likewise.
10492 * basic-block.h (struct loop): New entries vtop, cont,
10493 cont_dominator, start, end, top, scan_start, exit_labels,
10495 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10497 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10499 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10501 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10503 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10505 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10507 * pdp11-protos.h: New file.
10509 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10512 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10515 * pdp11.md: Likewise.
10517 * 2bsd.h: Likewise.
10519 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10521 * mn10300-protos.h: New file.
10523 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10526 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10529 * mn10300.md: Likewise.
10531 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10533 * mn10200-protos.h: New file.
10535 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10538 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10541 * mn10200.md: Likewise.
10543 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10545 * h8300-protos.h: New file.
10547 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10550 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10553 * h8300.md: Likewise.
10555 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10557 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10558 (asm_emit_uninitialised): Likewise.
10560 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10562 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10563 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10565 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10567 * config/mips/mips.c (override_options): Don't turn on extra
10568 alignment for mips16.
10570 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10572 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10573 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10576 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10578 * builtins.c (PAD_VARARGS_DOWN): Define.
10579 (std_expand_builtin_va_arg): Use the above macro.
10580 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10581 * tm.texi (Register Arguments): Document the above macro.
10583 2000-01-14 Nick Clifton <nickc@cygnus.com>
10585 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10586 that this function has not been used to emit a jump
10589 * jump.c (return_jump_1): Cope with being passed a null rtx.
10591 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10593 * eh-common.h: PROTO -> PARAMS.
10594 * emit-rtl.c: Likewise.
10595 * errors.c: Likewise.
10596 * errors.h: Likewise.
10597 * except.c: Likewise.
10598 * except.h: Likewise.
10599 * explow.c: Likewise.
10600 * expmed.c: Likewise.
10601 * expr.c: Likewise.
10602 * expr.h: Likewise.
10603 * final.c: Likewise.
10604 * fix-header.c: Likewise.
10605 * flow.c: Likewise.
10606 * fold-const.c: Likewise.
10607 * function.c: Likewise.
10608 * function.h: Likewise.
10610 * gcov-io.h: Likewise.
10611 * gcov.c: Likewise.
10612 * gcse.c: Likewise.
10614 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10616 * sh-protos.h: New file.
10618 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10619 Add static prototypes. Fix compile time warnings.
10621 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10625 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10627 * arc-protos.h: New file.
10629 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10632 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10635 * arc.md: Likewise.
10637 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10639 * dsp16xx-protos.h: New file.
10641 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10644 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10647 * dsp16xx.md: Likewise.
10649 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10651 * convex-protos.h: New file.
10653 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10656 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10659 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10661 * elxsi-protos.h: New file.
10663 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10666 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10669 * elxsi.md: Likewise.
10671 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10673 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10674 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10675 match the comment for MIPS16.
10677 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10679 * flow.c (split_edge): Do not call set_block_for_insn if we
10680 do not have a basic_block_for_insn structure.
10682 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10683 and destination functions are 32bit aligned within the trampoline.
10684 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10685 (TRAMPOLINE_ALIGNMENT): Define.
10687 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10688 (set (pc) (label_ref)), verify the change creates a valid insn.
10690 * fr30.c (call_operand): Tighten and rework to match rules for
10691 call RTL expressions.
10692 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10693 * fr30.md (call patterns): Improve constraints.
10695 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10697 * fr30.c (fr30_expand_epilogue): Revert last change.
10698 Use emit_jump_insn for the return insn.
10700 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10701 Stan Cox <scox@cygnus.com>
10703 * predict.c: New file. Preliminary infrastructure work for static
10704 branch prediction and basic block reordering.
10705 * basic-block.h: Add prototype for estimate_probability.
10706 * Makefile.in: Add rules for predict.o.
10708 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10710 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10711 * fixinc/*: Likewise.
10713 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10715 * cccp.c: PROTO -> PARAMS.
10716 * cexp.y: Likewise.
10717 * collect2.c: Likewise.
10718 * combine.c: Likewise.
10719 * convert.h: Likewise.
10721 * dbxout.c: Likewise.
10722 * dbxout.h: Likewise.
10723 * diagnostic.c: Likewise.
10724 * doprint.c: Likewise.
10725 * dwarf2out.c: Likewise.
10726 * dwarf2out.h: Likewise.
10727 * dwarfout.c: Likewise.
10728 * dwarfout.h: Likewise.
10729 * dyn-string.h: Likewise.
10731 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10733 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10734 macro conditionals guarding use.
10736 * dwarf2out.c: Include "tm_p.h".
10738 * function.c (locate_and_pad_parm): Mark parameter with
10740 (expand_function_end): Likewise for variable `context'.
10742 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10744 2000-01-13 Nick Clifton <nickc@cygnus.com>
10746 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10747 register to prevent compile time warnings.
10749 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10751 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10752 to avoid -Wtraditional warning.
10754 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10756 * 1750a-protos.h: New file.
10758 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10761 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10764 * 1750a.md: Likewise.
10766 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10768 * a29k-protos.h: New file.
10770 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10773 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10776 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10778 * clipper-protos.h: New file.
10780 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10783 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10786 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10788 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10790 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10792 * configure.in (--enable-new-gxx-abi): New option.
10793 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10794 * Makefile.in (GXX_ABI_FLAG): New variable.
10795 * configure: Regenerate.
10797 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10799 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10800 * tm.texi (FORCE_STRUCT_BLK): Document.
10801 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10803 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10805 * config/ns32k/ns32k.md: Revert Jan 9 change.
10807 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10808 to a mode-test, if the predicate is address_operand.
10810 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10812 * combine.c (if_then_else_cond): Be careful about what kinds
10813 of RTL expressions are passed to operand_subword.
10815 * flow.c (split_edge): If we have to insert a new jump, make
10816 sure to associate it with a basic block.
10818 * flow.c (commit_one_edge_insertion): A block with one successor
10819 can end in a JUMP_INSN that is not a simplejump.
10821 2000-01-12 Robert Lipe <robertl@sco.com>
10823 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10824 (BUILD_VA_LIST_TYPE): Define.
10825 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10828 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10830 * cccp.c (do_pragma): Add cast to (char *).
10832 2000-01-12 Richard Henderson <rth@cygnus.com>
10833 Fred Fish <fnf@be.com>
10834 Jason Merrill <jason@cygnus.com>
10836 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10837 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10838 * i386/beos-elf.h, i386/beos-pe.h: New files.
10840 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10841 * cross-make (SYSTEM_HEADER_DIR): Define using
10842 CROSS_SYSTEM_HEADER_DIR.
10844 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10845 (process_command): Use it.
10846 (main): Likewise. Kill trailing = from env vars.
10847 (build_search_list): Put it back.
10848 * collect2.c (main): Use LIBRARY_PATH_ENV.
10850 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10851 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10853 * tm.texi (Frame Layout): Document SMALL_STACK.
10854 * c-common.c (c_common_nodes_and_builtins): Check it.
10856 * system.h: Undef alloca after including glibc's <stdlib.h>,
10857 if USE_C_ALLOCA is defined.
10859 * gcc.c (set_input): New fn.
10860 (main): After all input files are compiled, reset the input file
10863 * aclocal.m4 (rindex, index): If already defined, don't attempt
10866 * ginclude/varargs.h: (__va_list__): Define ifndef.
10867 * ginclude/stdarg.h: Likewise.
10869 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10870 instead of unsigned char.
10872 * hash.h (true, false, boolean): Undef before enum.
10874 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10875 proper type of "HOST_WIDE_INT *", rather than their natural type of
10876 "unsigned HOST_WIDE_INT *".
10878 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10880 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10882 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10884 * regclass.c (choose_hard_reg_mode): Likewise.
10886 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10888 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10890 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10892 * c-common.c: PROTO -> PARAMS.
10893 * c-common.h: Likewise.
10894 * c-decl.c: Likewise.
10895 * c-iterate.c: Likewise.
10896 * c-lang.c: Likewise.
10897 * c-lex.c: Likewise.
10898 * c-lex.h: Likewise.
10899 * c-parse.in: Likewise.
10900 * c-pragma.c: Likewise.
10901 * c-pragma.h: Likewise.
10902 * c-tree.h: Likewise.
10903 * c-typeck.c: Likewise.
10904 * objc/objc-act.c: Likewise.
10905 * objc/objc-act.h: Likewise.
10907 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10909 * m88k-protos.h: New file.
10911 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10914 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10916 * m88k.md: Likewise.
10918 * tekXD88.h: Likewise.
10920 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10922 * m68k-protos.h: New file.
10924 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10927 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10929 * mot3300.h: Likewise.
10931 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10933 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10935 (extract_bitlist): Declare bitlen.
10937 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10939 * cccp.c: Accept and ignore -lang-fortran.
10941 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10942 qualifiers don't match at any level of pointerness.
10944 2000-01-12 Robert Lipe <robertl@sco.com>
10946 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10948 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10950 * reload1.c (reload_reg_unavailable): New static variable.
10951 (reload_reg_free_p): Test it.
10952 (reload_reg_free_for_value_p): Test it instead of
10954 (choose_reload_regs_init): Compute it.
10956 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10958 * reorg.c (fill_slots_from_thread): Check modified_in_p
10961 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10963 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10964 these nodes even if INTERNALS is not set.
10966 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10968 * gcse.c (delete_null_pointer_checks_1): Cope when
10969 get_condition cannot determine the condition.
10971 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10973 * toplev.h (set_message_length): Declare.
10975 * diagnostic.c (obstack_chunk_alloc): Define macro.
10976 (obstack_chunk_free): Likewise.
10977 (struct output_buffer): New data structure.
10978 (vmessage): Remove.
10979 (output_maximum_width): New variable.
10980 (doing_line_wrapping, set_message_length, init_output_buffer,
10981 get_output_prefix, output_space_left, emit_output_prefix,
10982 output_newline, output_append, output_puts, dump_output,
10983 vbuild_message_string, build_message_string, build_location_prefix,
10984 voutput_notice, output_printf, line_wrapper_printf,
10985 vline_wrapper_message_with_location): New functions. Implement
10986 automatic line wrapping.
10987 (v_message_with_decl): Make it handle automatic line wrapping.
10988 (v_error_with_file_and_line): Likewise.
10989 (v_warning_with_file_and_line): Likewise.
10990 (announce_function): Likewise.
10991 (default_print_error_function): Likewise.
10993 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10995 * cpplib.h (struct cpp_options): Change lang_asm to char.
10997 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10998 done in cpp_handle_option now.
10999 (initialize_builtins): Take out special case code used only by
11001 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11002 if -traditional. Recognize -lang-fortran and set
11003 lang_fortran, also turn off cplusplus_comments.
11004 (print_help): Document -lang-fortran.
11005 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11006 lang_asm. Ignore all directives other than `# 123 "file"' if
11008 (cpp_get_token): If -traditional, don't recognize directives
11009 unless the # is in column 1.
11010 (parse_string): If lang_fortran or lang_asm, silently
11011 terminate strings ('' or "") at end of line.
11012 Remove unnecessary braces.
11014 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11015 Richard Henderson <rth@cygnus.com>
11017 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11019 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11020 strict_low_part when possible.
11022 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11024 * alias.c: PROTO -> PARAMS.
11025 * basic-block.h: Likewise.
11026 * bitmap.c: Likewise.
11027 * bitmap.h: Likewise.
11028 * builtins.c: Likewise.
11029 * c-aux-info.c: Likewise.
11030 * caller-save.c: Likewise.
11031 * calls.c: Likewise.
11033 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11035 * Makefile.in (toplev.o): Depend on regs.h.
11037 * output.h (tdesc_section): Prototype.
11039 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11041 * sdbout.c: Include "tm_p.h".
11043 * toplev.c: Include "regs.h".
11045 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11047 * unroll.c (unroll_loop): Add EH support.
11049 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11051 * pa-protos.h: New file.
11053 * pa.c: Include recog.h and tm_p.h.
11054 (compute_zdepwi_operands, compute_movstrsi_length,
11055 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11056 find_addr_reg, import_milli): Add static prototypes.
11057 (pa_cpu_string, pa_arch_string): Constify a char*.
11058 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11059 (read_only_operand): Add argument `mode'.
11060 (singlemove_string, output_move_double, output_fp_move_double,
11061 output_block_move, output_and, output_ior, output_ascii,
11062 remove_useless_addtr_insns, milli_names, output_mul_insn,
11063 output_div_insn, output_mod_insn, output_arg_descriptor,
11064 output_cbranch, output_bb, output_bvb, output_dbra, ,
11065 output_millicode_call, output_call, hppa_encode_label,
11066 output_parallel_movb, output_parallel_addb): Constify a char*.
11067 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11068 (output_parallel_addb): Remove extra arg to `constrain_operands'
11070 * pa.h: Move all prototypes to pa-protos.h.
11071 (pa_cpu_string, pa_arch_string): Constify a char*.
11072 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11074 * pa.md: Call `function_label_operand' with mode argument.
11075 Likewise for `read_only_operand'.
11076 Fix nesting of parens in call to `symbolic_operand'.
11078 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11080 * i860-protos.h: New file.
11082 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11085 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11087 * i860.md: Likewise.
11089 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11091 * i386.md (movstrsi expander): Rewrite.
11092 (movstrsi_1 insn): Deleted.
11093 (strmovhi, strmovqi expander): New expanders.
11094 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11095 * i386.c (x86_single_stringop): New global variable.
11096 * i386.h (x86_single_stringop): Declare.
11097 (TARGET_SINGLE_STRINGOP): New macro.
11099 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11101 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11102 integer vararg POSTINCREMENT before the destination of the jump
11103 for the hard fp case.
11104 (function_arg_pass_by_reference): Pass a copy of CUM to
11107 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11108 for CONSTANT_ADDRESS_P above while loop for subreg.
11110 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11112 * flow.c (propagate_block): When a prologue/epilogue insn
11113 is marked dead, unconditionally clear libcall_is_dead and
11114 insn_is_dead, and only dump rtl if warnings aren't being
11117 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11119 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11120 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11121 (FIXED_REGISTERS): Set dirflag as fixed.
11122 (CALL_USED_REGISTERS): Set dirflag as used.
11123 (REG_ALLOC_ORDER): Set dirflag as last one.
11124 (DIRFLAG_REG): New macro.
11125 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11126 (HI_REGISTER_NAMES): Add dirflag.
11127 (DEBUF_PRINT_REG): Handle dirflag.
11128 * i386.md (type attribute): New cld and str types.
11129 (length_opcode attribute): Set cld and str to 1.
11130 (memory attribute): Set str to unknown - it is not clear from the
11132 (pent_np function unit): Prefixed string operations takes 12 cycles
11133 minimally; cld takes 2 cycles.
11134 (ppro_uops attribute): Str is "many" and cld is "few".
11135 (ppro_p0 unit): Handle cld here.
11136 (k6_alux unit): Handle cld and str types.
11137 (k6_load unit): It is ocupied by str opcodes.
11138 (k6_store unit): It is ocupied by str opcodes.
11139 (athlon_decode): Str is vector decoded.
11140 (athlon_ieu): Handle str and cld.
11141 (cld pattern): New.
11142 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11143 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11144 cmpstrsi_nz_1 insn): Do not output cld instruction
11146 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11148 * gcc.texi (G++ and GCC): Add Java and Chill.
11149 (Bug Critera): Don't list languages.
11151 * gcc.texi (Incompatibilities): No longer claim most C compilers
11154 * gcc.texi (G++ and GCC): Update other front-ends list.
11156 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11158 * i386.c (ix86_expand_setcc): Fix typo.
11159 (ix86_expand_movcc): Similarly.
11161 * Band-aid until haifa's bitset implementation is nuked.
11162 * haifa-sched.c (extract_bitlst): New parameter for size of the
11163 bitset in bits. All callers changed. Avoid looking at undefined
11164 bits in the bitset.
11165 (edgeset_bitsize): New variable.
11166 (schedule_region): Initialize edgeset_bitsize.
11168 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11170 * Makefile.in (optabs.o): Depend on real.h
11171 (resource.o): Depend on insn-attr.h
11173 * builtins.c (result_vector): Wrap prototype in macro conditions
11174 governing definition and use.
11176 * c-common.c: Include tm_p.h.
11178 * c-lex.c: Likewise.
11180 * elfos.h: Constify a char*.
11182 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11183 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11184 parameter with ATTRIBUTE_UNUSED.
11186 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11189 * haifa-sched.c (schedule_insns): Mark parameter with
11192 * optabs.c: Include real.h.
11194 * real.h (ereal_atof): Add prototype arguments.
11196 * resource.c: Include insn-attr.h.
11198 * sdbout.c (sdbout_queue_anonymous_type,
11199 sdbout_dequeue_anonymous_types): Wrap in macro
11200 SDB_ALLOW_FORWARD_REFERENCES.
11201 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11204 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11206 * stupid.c: Include tm_p.h.
11208 * tree.c (real_value_from_int_cst): Mark parameter with
11211 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11213 * i960-protos.h: New file.
11215 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11218 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11220 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11222 * combine.c (expand_field_assignment): Do not discard SUBREGs
11223 while computing nonzero_bits.
11225 2000-01-09 Nick Clifton <nickc@cygnus.com>
11227 * config/arm/arm.c: Fix compile time warnings about signed vs
11228 unsigned constants.
11229 * config/arm/arm.h: Fix compile time warnings about signed vs
11230 unsigned constants.
11232 2000-01-09 Philip Blundell <philb@gnu.org>
11234 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11235 than `ldm' with only one register.
11236 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11239 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11242 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11244 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11247 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11249 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11250 assignment used as truth value.
11252 * function.c (assign_temp): Mark parameter `dont_promote' with
11253 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11254 PROMOTE_FOR_CALL_ONLY.
11256 * genrecog.c (write_subroutine): Mark variable `operands' with
11259 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11262 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11263 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11265 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11268 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11270 * config/c4x.h: Tidy up comments.
11271 * config/c4x.c: Likewise.
11273 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11275 * fold-const.c (lshift_double, rshift_double): Handle
11276 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11278 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11280 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11281 in prepare_function_start().
11283 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11285 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11286 longer allocate extra stack for function calls.
11288 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11290 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11292 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11294 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11296 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11298 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11299 * aix43.h: Revert Aug 2 change.
11300 (HAS_INIT_SECTION): Define, not visible yet.
11301 (LD_INIT_SWITCH): Define, not visible yet.
11302 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11304 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11306 * collect2.c (main): Expand ld2 size further.
11307 (export_object_lst): Cast assignment to avoid warning.
11308 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11309 (scan_prog_file, COFF): Do not collect initialization or
11310 finalization functions generated for entire shared object if
11311 init/fini support present.
11313 2000-01-07 Nick Clifton <nickc@cygnus.com>
11315 * config/elfos.h: Tidy up formatting of marcos. Make sure
11316 that .section directives are always prefixed by a tab.
11318 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11321 2000-01-07 Matt Austern <austern@sgi.com>
11323 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11326 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11328 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11330 (crtbegin.o, s-crtS): Likewise.
11332 2000-01-06 Richard Henderson <rth@cygnus.com>
11334 * alpha.md (adddi_2+1): Limit offset such that it will be
11335 loadable with a single ldah+lda pair.
11336 (adddi_2+2): Explicitly fail split if we can't make it work.
11338 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11340 * protoize.c: Conditionally include unistd.h.
11341 (IS_SAME_PATH_CHAR): New macro.
11342 (IS_SAME_PATH): New macro.
11343 (CPLUS_FILE_SUFFIX): New macro.
11344 (cplus_suffix): New static variable.
11345 (is_abspath): New static function.
11346 (in_system_include_dir): Handle DOS style pathnames.
11347 (file_could_be_converted): Likewise.
11348 (file_normally_convertible): Likewise.
11349 (directory_specified_p): Likewise.
11350 (file_excluded_p): Likewise.
11351 (abspath): Likewise.
11352 (shortpath): Likewise.
11353 (referenced_file_is_newer): Likewise.
11354 (save_def_or_dec): Likewise.
11355 (do_processing): Likewise.
11357 (edit_file): Likewise. Use rename instead of link.
11358 (rename_c_file): Likewise. Don't rename syscalls file.
11359 (munge_compile_params): Define null device for DOS based systems.
11360 (process_aux_info_file): Use binary mode if appliable.
11361 (edit_file): Likewise.
11362 * invoke.texi (Running Protoize): Document C++ suffixes used.
11364 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11365 IS_DIR_SEPARATOR macros.
11366 * collect2.c: Likewise.
11367 * cppinit.c: Likewise.
11368 * dwarf2out.c: Likewise.
11370 * gcov.c: Likewise.
11371 * prefix.c: Likewise.
11373 * toplev.c: Likewise.
11374 * system.h: And move to here.
11376 * prefix.c (update_path): Fix typo in variable name.
11378 2000-01-06 Richard Henderson <rth@cygnus.com>
11380 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11381 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11382 (count_reg_sets_1, count_reg_references): Likewise.
11383 (flow_loops_level_compute): Start counting actual loop depth at 1.
11384 (flow_loops_find): Likewise.
11385 * local-alloc.c (update_equiv_regs): Likewise.
11386 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11388 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11390 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11391 FIRST_PSEUDO_REGISTER
11392 * dwarf2out.c: Don't include frame.h
11393 * dwarfout.c: Likewise
11394 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11397 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11399 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11402 * i386.c (movsf splitter): Fix typo in my last checkin.
11404 2000-01-05 Nick Clifton <nickc@cygnus.com>
11406 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11407 own definition of this macro.
11408 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11409 flag_data_sections or UNIQUE_SECTION_P are true.
11411 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11412 unitialised data decls.
11414 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11415 being called for uninitialised data.
11417 * config/i386/interix.c (i386_pe_unique_section): Cope with
11418 being called for uninitialised data.
11420 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11421 for uninitialised data.
11423 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11424 for uninitialised data.
11426 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11427 for uninitialised data.
11429 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11430 (UNIQUE_SECTION_P): Always generate a unique section if
11431 flag_data_sections is true.
11432 (UNIQUE_SECTION): Also generate unique sections for
11433 uninitialised data.
11434 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11435 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11438 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11440 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11443 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11445 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11446 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11447 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11448 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11449 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11451 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11453 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11455 * c-decl.c (finish_enum): Simplify code to determine minimum and
11456 maximum values of the enum, and calculate the type. Remove check
11457 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11458 the DECL_INITIAL of each enumeration constant with a copy converted
11459 to the enumeration type. When updating variant types, don't bother
11460 updating the type itself.
11462 * c-typeck.c (build_binary_op): Simplify conditional expressions
11463 when weeding out spurious signed-unsigned warnings. Add new
11464 spurious warning category: if the unsigned quantity is an enum
11465 and its maximum value fits in signed_type(result_type). Update
11467 (build_conditional_expr): Warn here if one alternative is signed
11468 and the other is unsigned.
11470 2000-01-05 Nick Clifton <nickc@cygnus.com>
11472 * config/fr30/fr30.h: Remove extraneous comments.
11474 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11476 * reload1.c (choose_reload_regs): When disabling a reload, also
11477 set reload_spill_index to -1.
11479 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11481 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11483 (m68*-*-rtemself*): New target.
11484 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11485 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11486 (sparc*-*-rtemself*): New target.
11487 (sparc*-*-rtems*): Now elf not a.out.
11488 * config/i386/rtems.h: Include config/rtems.h.
11489 * config/i386/rtemself.h: Include config/rtems.h.
11490 * config/i960/rtems.h: Include config/rtems.h.
11491 * config/m68k/rtems.h: Include config/rtems.h.
11492 * config/m68k/rtemself.h: Include config/rtems.h.
11493 * config/mips/rtems64.h: Include config/rtems.h.
11494 * config/pa/rtems.h: Include config/rtems.h.
11495 * config/rs6000/rtems.h: Include config/rtems.h.
11496 * config/sh/rtems.h: Include config/rtems.h.
11497 * config/sh/rtemself.h: Include config/rtems.h.
11498 * config/sparc/rtems.h: Include config/rtems.h.
11499 * config/sparc/rtemself.h: Include config/rtems.h
11501 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11503 * final.c (shorten_branches): Correctly compute length of
11504 asms without operands.
11506 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11508 * configure.in: Add pj target.
11509 * configure: Regenerate.
11510 * config/pj: New directory.
11511 * config/pj/lib1funcs.S: New file.
11512 * config/pj/linux.h: New file.
11513 * config/pj/pj.c: New file.
11514 * config/pj/pj.md: New file.
11515 * config/pj/pjl.h: New file.
11516 * config/pj/t-pj: New file.
11517 * config/pj/xm-pj.h: New file
11519 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11521 * toplev.c (rest_of_compilation): Run shorten-branches before
11524 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11526 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11527 macros so that they're consistent with their names.
11528 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11529 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11531 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11533 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11534 modified inadvertently.
11536 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11538 * configure.in (v850*-*-rtems*): New target.
11539 * configure: Regenerate.
11540 * config/v850/rtems.h: New file.
11542 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11544 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11545 (__gthread_key_create): Likewise.
11546 (__gthread_key_dtor): Likewise.
11547 (__gthread_once): Fix logic.
11548 (__gthread_key_delete): Cast away constness.
11550 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11551 * invoke.texi: Document.
11552 * i386/mingw32.h (CPP_SPEC): Use.
11553 (LIBGCC_SPEC): Likewise.
11554 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11556 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11558 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11559 (HANDLE_PRAGMA_PACK): Undefine.
11560 (SLOW_UNALIGNED_ACCESS): Define.
11562 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11564 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11565 to default definition.
11566 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11567 (store_fixed_bit_field): Call macro with word_mode and alignment.
11568 (extract_bit_field): Call macro with relevant mode and alignment.
11569 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11570 to default definition.
11571 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11573 (move_by_pieces_ninsns): Likewise.
11574 (clear_by_pieces): Likewise.
11575 (emit_push_insn): Likewise.
11576 (store_field): Call macro with relevant mode and alignment.
11577 (expand_expr): Likewise.
11578 (expand_expr_unaligned): Likewise.
11580 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11581 (SLOW_UNALIGNED_ACCESS): Define.
11582 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11583 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11584 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11585 (toc_section): Likewise and .toc pseudo-op.
11586 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11588 (TEXT_SECTION_ASM_OP): Likewise.
11589 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11592 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11593 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11594 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11595 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11596 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11598 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11600 * regclass.c: Revert my Jan 4 change to loop cost computation.
11602 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11604 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11607 2000-01-04 Stan Cox <scox@cygnus.com>
11609 * haifa-sched.c (build_control_flow): Change unreachable simple
11610 loop test to check if current block has only one predecessor.
11611 (find_rgns): Initialize degree. Use dest as degree index, not src.
11613 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11615 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11617 * calls.c (expand_call): Likewise for
11618 `old_stack_arg_under_construction'.
11620 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11622 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11625 * gcc.c (execute): Likewise for `ut' and `st'.
11627 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11629 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11631 * jump.c (jump_optimize_1): Likewise for `temp2'.
11633 * local-alloc.c (block_alloc): Likewise for `r1'.
11635 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11637 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11638 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11640 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11643 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11644 and `goal_earlyclobber'.
11646 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11648 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11650 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11652 * unroll.c (copy_loop_body): Likewise for `copy'.
11654 * varasm.c (output_constructor): Likewise for `byte'.
11656 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11658 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11659 all FP constants for constant->reg moves.
11660 (ix86_split_to_parts): Try to convert memory address into immediate
11661 when available in the constant pool.
11662 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11664 (LEGITIMATE_CONSTANT_P): Return 1.
11665 * i386.md (pushsf): New splitter to convert constant pool memory
11666 reference to immediate.
11667 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11670 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11672 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11673 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11674 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11675 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11676 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11678 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11680 * ginclude/stdbool.h: Support compilation as C++.
11682 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11684 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11686 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11688 * regclass.c (regclass): Properly compute loop_cost. Adjust
11691 * regclass.c: Fix minor whitespace problems.
11693 2000-01-03 Anthony Green <green@cygnus.com>
11695 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11696 Restore the pic register if required.
11698 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11700 * c-common.c (format_char_info): Update comment.
11701 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11702 was recognized. Emit warning for formats new in ISO C99 only
11703 if flag_isoc9x is not set.
11705 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11707 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11709 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11711 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11712 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11713 (make_compound_operation): Choose cheaper alternative between
11714 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11716 * regclass.c (op_costs): Remove global variable.
11717 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11718 (record_operand_costs): Break out from ...
11719 (scan_one_insn): ... here.
11720 (dump_regclass): Make dumps nicer.
11721 (regclass): Dump preferrences choosed and changes done during passes.
11723 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11725 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11727 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11729 * config/sparc/sparc.c (gen_df_reg): New function.
11730 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11731 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11732 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11733 movtf_cc_reg_sp64+1): Use it.
11735 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11737 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11738 copied LABEL_DECLs.
11740 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11742 * config/i386/i386.c (ix86_expand_unary_operator): Function
11743 definition made void.
11744 (ix86_expand_binary_operator): Update outdated preceding comment.
11745 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11748 * config/i386/i386.c (override_options): Fix option-name typo.
11750 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11752 * system.h (CEIL): Define.
11753 * builtins.c (CEIL): Remove.
11754 * expmed.c (CEIL): Likewise.
11755 * expr.c (CEIL): Likewise.
11756 * stor-layout.c (CEIL): Likewise.
11758 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11760 * expr.c (store_constructor_field): Fix typo introduced with last
11763 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11765 * tree.h (BINFO_N_BASETYPES): New macro.
11767 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11769 * expmed.c (emit_store_flag): Prevent losing a pending stack
11770 adjust the same way we prevent losing queued increments.
11772 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11774 * function.c (update_temp_slot_address): Handle case where sum of
11775 temporary address plus offset in register is a valid address.
11777 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11779 * genrecog.c (change_state) Corrected typo.
11781 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11783 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11784 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11785 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11787 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11789 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11790 case, expand GT comparisons correctly. Fix a comment before this
11793 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11795 * dwarfout.c: Include "frame.h"
11796 * dwarf2out.c: Likewise.
11797 * Makefile.in (dwarfout.o): Depend on frame.h
11798 (dwarf2out.o): Likewise.
11800 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11802 Restore i386 binary compatibility in Dwarf EH info.
11803 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11804 value of FIRST_PSEUDO_REGISTER.
11805 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11806 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11807 * dwarfout.c (output_reg_number): Ditto.
11808 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11809 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11811 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11813 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11814 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11815 (<hack>_RE_CT): not needed
11816 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11817 rewritten to scan the file text once only
11818 "template<..." test added
11819 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11820 (is_cxx_header): declaration added
11821 * fixinc/fixtests.c(is_cxx_header): removed
11822 (apply_fix_p_t): removed
11823 (double_slash_test): is_cxx_header is only called once now
11824 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11825 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11826 within the templates.
11827 The borken spelling of "broken" was fixed.
11828 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11829 The default level depends on FIXINC_DEBUG.
11831 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11833 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11834 Otherwise provide a declaration for atexit.
11835 (init_dummy): Make sure dummy call to atexit is nevertheless
11836 called with correct number of args.
11838 * frame.c: Update comments referring to other files.
11840 * libgcc2.c: Likewise.
11842 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11844 * cse.c (free_element, get_element): Remove unused prototypes.
11846 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11849 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11852 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11854 * configure.in,configure: case arm for mn10200-*-* now sets
11855 float_format=i32 so that float.h will correctly claim "double"
11856 to be 32 bits. Ran autoconf to generate configure from .in file.
11858 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11860 * pa.md (conditional zero): If op1 is a register, force it into
11861 the same register as op0.
11863 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11865 * tree.h (BINFO_BASETYPES): Improve documentation.
11867 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11869 * configure.in (--enable-checking): Use a more portable `for'
11872 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11874 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11875 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11877 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11880 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11881 Delete descriptions.
11883 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11884 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11885 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11886 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11887 xm-svr4.h: Remove all instances of sys_siglist handling.
11889 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11891 * config/sparc/sparc.md (cmp_zero_qi,
11892 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11893 cmp_zero_extendqidi2_andcc_set): New patterns.
11895 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11897 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11898 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11899 (fpgnulib.c, xfgnulib.c): Add rules.
11900 * m68k/t-mot3300-gas: Likewise.
11902 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11904 * configure.in: Avoid [[ by using test and changequote. Add
11905 changequote required by 1999-12-14 change.
11906 * configure: Rebuild.
11908 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11910 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11912 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11914 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11915 * flow.c (find_use_as_address): Likewise.
11916 * function.c (fixup_var_refs_1): Likewise.
11917 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11918 * jump.c (invert_exp, redirect_exp): Likewise.
11919 * loop.c (replace_call_address): Likewise.
11920 (count_nonfixed_reads): Likewise.
11921 * rtlanal.c (modified_between_p): Likewise.
11922 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11923 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11924 * unroll.c (remap_split_bivs): Likewise.
11926 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11928 * diagnostic.c (v_message_with_decl): Use .* format specifier
11929 instead of building the format specifier width manually.
11931 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11932 determining whether to provide a prototype. Remove the
11933 sys_siglist clause in the conditional.
11935 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11937 * fold-const.c (operand_equal_p): Use memcmp to compare string
11939 Suggested by D. J. Bernstein
11941 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11943 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11944 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11946 * config/mips/mips.h (TARGET_64BIT): Likewise.
11947 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11948 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11949 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11950 dsps. Give routines proper names if SI/DI modes are not used.
11951 * longlong.h: Use DWunion instead of DIunion.
11953 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11955 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11956 GC_CHECKING, GC_ALWAYS_COLLECT.
11957 * configure.in: Allow --enable-checking with an argument
11958 listing check modes to enable.
11959 * config.in, configure: Rebuilt.
11960 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11961 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11962 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11963 ENABLE_GC_ALWAYS_COLLECT.
11964 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11966 * tree.h, tree.c: Change ENABLE_CHECKING to
11967 ENABLE_TREE_CHECKING throughout.
11969 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11971 * fold-const.c (fold_truthop): Properly check for FP RHS.
11973 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11975 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11976 * toplev.c (note_deferral_of_defined_inline_function): New
11977 function, split out from ...
11978 (rest_of_compilation): ... here. Use it.
11980 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11982 * expr.c (store_constructor): Don't call clear_storage if size is
11985 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11987 * Makefile.in (toplev.o): Depend on loop.h.
11989 * dwarfout.c: Include tm_p.h.
11991 * emit-rtl.c (restore_emit_status): Mark parameter with
11994 * final.c (final_scan_insn): Likewise.
11996 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11997 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11998 flow_depth_first_order_compute, flow_loop_pre_header_find,
11999 flow_loop_tree_node_add, flow_loops_tree_build,
12000 flow_loop_level_compute, flow_loops_level_compute,
12001 flow_loop_outside_edge_p): Add prototypes.
12002 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12004 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12005 Mark with ATTRIBUTE_NORETURN.
12007 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12009 * local-alloc.c (no_conflict_p): Likewise.
12011 * loop.c (insert_bct): Hide definitions of variables with hidden
12013 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12015 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12016 with ATTRIBUTE_UNUSED.
12017 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12018 (reg_scan): Likewise.
12020 * reload.c (find_reloads): Remove unused variables `changed'.
12022 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12024 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12025 Remove unused variable `insn'.
12027 * toplev.c: Include loop.h.
12028 (report_file_and_line): Remove unnecessary prototype.
12030 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12032 * unroll.c (biv_total_increment): Likewise.
12034 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12036 * reload1.c (emit_input_reload_insns): Restore old behaviour
12037 wrt. 'special' reloads.
12039 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12041 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12042 hash.h. (cse.c): Don't depend on hashtab.h.
12044 * cse.c: Don't include hashtab.h.
12045 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12047 * ggc-simple.c: Don't include hash.h.
12049 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12051 * dwarf2out.c (add_abstract_origin_attribute): Call
12052 gen_abstract_function on our function context.
12054 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12056 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12058 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12060 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12063 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12065 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12066 constraints to "a!r".
12068 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12070 * Makefile.in (calls.o): Depend on function.h.
12071 (alias.o): Likewise.
12073 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12075 * reload1.c (emit_reload_insns): Break out code and variables into...
12076 (input_reload_insns, other_input_address_reload_insns,
12077 other_input_reload_insns, input_address_reload_insns,
12078 inpaddr_address_reload_insns, output_reload_insns,
12079 output_address_reload_insns, outaddr_address_reload_insns,
12080 operand_reload_insns, other_operand_reload_insns,
12081 other_output_reload_insns): ... new static variables, and...
12082 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12083 do_output_reload): ... new functions.
12085 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12087 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12089 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12091 * md.texi: Add c4x constraints documentation.
12093 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12095 * config/i386/dgux.c (struct option): Rename to
12096 lang_independent_option.
12097 (struct m_options): Add description field.
12098 (output_options): Rename option type, add sep declaration, output
12099 ix86_cpu_string and ix86_arch_string only if set.
12100 (output_file_start): Rename option type.
12102 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12104 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12106 (libgcc2.a): Similarly.
12108 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12110 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12111 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12112 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12114 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12116 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12117 Remove redundant initialization of "frexpon" and "expon".
12119 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12121 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12123 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12124 (store_constructor_field, expand_expr): Pass new arg.
12126 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12128 * Makefile.in (explow.o): Depend on function.h.
12130 * stor-layout.c (set_sizetype): Fix typo.
12132 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12134 * function.c (cfun): Renamed from current_function. All users
12136 * function.h (cfun): Rename declaration as well.
12138 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12139 to be of type regset_head, not regset. All users changed by adding
12141 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12143 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12145 * config/c4x/rtems.h: New file.
12147 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12149 * reload1.c (spill_failure): Take class of failed reload as argument
12150 and print it. Caller changed.
12152 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12154 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12155 (TARGET_SWITCHES): Allow subtargets to default switches.
12156 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12158 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12160 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12163 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12165 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12166 * cppinit.c (cpp_handle_option): Likewise.
12168 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12169 determine when to define.
12171 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12173 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12174 cmove with mismatched test and data modes.
12176 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12178 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12181 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12183 * alias.c: Minor reformatting.
12184 * flow.c: Likewise.
12185 * regs.h: Likewise.
12186 * stor-layout.c: Likewise.
12187 * fold-const.c: Likewise.
12188 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12189 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12191 (size_int_wide): Cache nodes even if garbage collecting.
12192 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12193 of SAVE_EXPR has no side effects.
12194 * cse.c: Move a comment.
12195 * tree.c: Minor reformatting.
12196 (int_size_in_bytes): Return -1 if constant overflows.
12198 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12200 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12202 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12204 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12205 after any change to c-parse.in, even if objc-parse.y didn't
12208 1999-12-18 David S. Miller <davem@redhat.com>
12210 * toplev.c (rest_of_compilation): Restore BLOCK tree
12211 reconstruction and branch shortening changes lost in
12212 December 18th change.
12214 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12216 * config/arm/linux-elf.h: Change all instances of
12217 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12218 * config/arm/uclinux-elf.h: Likewise.
12220 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12222 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12223 v_message_with_decl, file_and_line_for_asm,
12224 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12225 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12226 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12227 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12228 pfatal_with_name, fatal_io_error, need_error_newline,
12229 last_error_function, last_error_tick, announce_function,
12230 default_print_error_function, print_error_function,
12231 report_error_function, fnotice, error_with_file_and_line,
12232 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12233 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12234 warning_with_decl, warning_for_asm, warning, pedwarn,
12235 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12237 (compile_file): Use fnotice instead of notice. Adjust call.
12239 * diagnostic.c: New file.
12241 * Makefile.in (OBJS): Include diagnostic.o
12242 (diagnostic.o): Define dependence.
12244 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12246 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12249 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12251 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12253 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12255 * fixtests.c (is_cxx_header): New fn, split out of
12257 (else_endif_label): Allow "#endif // comment" in C++ headers,
12258 as determined by is_cxx_header.
12259 * fixfixes.c (else_endif_label_fix): Update comment.
12260 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12262 * genfixes: Correct double thinko in commandline parsing.
12263 * hackshell.tpl: Generate correct sh syntax for bypass
12266 * inclhack.def (all): Whenever an inserted preprocessor
12267 conditional is split over multiple lines, use double
12268 backslashes in this file so the fixed header will be readable.
12270 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12271 and add bypass entry for correct version of this header.
12272 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12273 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12275 (hpux8_bogus_inlines): New fix, split from...
12276 (ultrix_atof_param) ... here.
12277 (math_expression): Add bypass entry keyed to glibc comment
12278 indicating the problem has been dealt with; disable
12279 unnecessary sed operations; update commentary.
12280 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12281 add select and bypass entries, simplify shell operation.
12282 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12284 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12285 ultrix_atof_param): Add select entry.
12286 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12287 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12288 comments with the fixes they describe.
12290 * c-parse.in (string action): Do not warn about ANSI string
12291 concatenation in system headers. Affects C parser only.
12292 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12294 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12296 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12297 compiling libgcc2 the macro depends always on arch cpp defines.
12299 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12301 * loop.c (insert_loop_mem): Don't record MEMs from inside
12304 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12306 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12308 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12309 notes too, create one when replacement failed, attempt to simplify
12311 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12312 or REG_EQUIV notes.
12314 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12316 * crtstuff.c (__dso_handle): Declare.
12317 (__cxa_finalize): Likewise.
12318 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12321 * invoke.texi: Document -fuse-cxa-atexit.
12323 * tree.h (ptr_type_node): Document.
12324 (const_ptr_type_node): Likewise.
12326 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12328 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12329 (optimize_reg_copy_2): Likewise.
12330 (optimize_reg_copy_3): Likewise.
12331 (fixup_match_2): Likewise.
12332 (regmove_optimize): Likewise.
12333 (fixup_match_1): Liekwise.
12335 * i386.md (HI to SImode promoting splitters): Rewrite.
12336 (pushsf mem peep2): New.
12337 (testhi to andhi peep2): Remove.
12338 * i386.h (x86_promote_QImode): New.
12339 (TARGET_PROMOTE_QImode): New.
12340 (PREDICATE_CODES): Add promotable_binary_operator.
12341 * i386.c (x86_promote_QImode0: New.
12342 (promotable_binary_operator): New.
12343 * i386-protos.h (promotable_binary_operator): New.
12345 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12347 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12349 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12351 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12352 * function.c (insert_block_after_note): Remove.
12353 (retrofit_block): Likewise.
12354 (identify_blocks): Fix indentation.
12355 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12356 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12357 * function.h (insert_block_after_note): Remove prototype.
12358 (retrofit_block): Likewise.
12359 * integrate.c (expand_inline_function): Don't call
12360 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12361 just expand_start_bindings. Use the block_map to remap old
12362 NOTE_BLOCKs to new ones.
12363 (integrate_decl_tree): Keep track of remapped blocks.
12364 * integrate.h (struct inline_remap): Add block_map.
12365 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12366 NOTE_BLOCK on the notes.
12367 (expand_start_bindings): Rename to ...
12368 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12369 (expand_end_bindings): Set NOTE_BLOCK.
12370 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12371 reconstruct the BLOCK tree.
12372 * tree.h (expand_start_bindings): Macroize. Call ...
12373 (expand_start_bindings_and_block): New function.
12375 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12377 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12378 to match the format.
12380 1999-12-16 David S. Miller <davem@redhat.com>
12382 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12383 the outputs is a SUBREG.
12384 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12387 * config/sparc/sparc.c (epilogue_renumber): Add default case
12390 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12392 * toplev.c (rest_of_compilation): Run branch shortening after
12395 * regclass.c (loop_depth): Remove
12396 (scan_one_insn): Do not handle LOOP_NOTE insns.
12397 (regclass): Go through basic blocks and set loop_cost
12399 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12401 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12403 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12405 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12406 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12407 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12409 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12411 * loop.c (insert_loop_mem): Ignore memory clobbers.
12413 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12416 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12418 * profile.c: Remove redundant #include "output.h".
12420 * h8300.md (HImode preinc peephole): Fix typo.
12422 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12424 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12425 (insert_block_after_note): Abort if we don't have a previous block.
12426 Remove FN parameter.
12427 * function.h: Adjust.
12429 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12431 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12432 argument more than once.
12434 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12436 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12438 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12440 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12442 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12444 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12445 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12446 update stack_alignment_needed.
12447 (prepare_function_start): Initialize stack_alignment_needed
12448 * function.h (struct function): Add field stack_alignment_needed.
12450 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12452 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12453 Handle live_throughout / dead_or_set instead of live_before /
12455 (save_call_clobbered_regs): Get register livenessinformation from
12456 chain->live_throughout.
12457 (add_stored_regs): New function.
12458 (insert_restore, insert_save): Add restored / saved registers to
12460 * global.c (reg_dies): New parameter chain.
12461 (reg_becomes_live): Third parameter is regs_set now.
12462 Changed all callers.
12463 (reg_dies): New parameter chain. Changed all callers.
12464 (build_insn_chain): Set live_throughout instead of
12465 live_before / live_after.
12466 * reload.h (struct insn_chain): Replace members live_before /
12467 live_after with live_throughout / dead_or_set.
12468 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12469 instead of live_before / live_after.
12470 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12471 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12472 (choose_reload_regs_init): Likewise.
12473 * stupid.c (current_chain, find_clobbered_regs): Delete.
12474 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12475 instead of chain->live_before / chain->live_after.
12476 (mark_hard_ref): New function.
12477 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12479 1999-12-15 David S. Miller <davem@redhat.com>
12481 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12483 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12485 * flow.c (calculate_loop_depth): Make global, remove prototype,
12486 rewrite to use new loop infrastructure.
12487 (find_basic_block): Remove calculate_loop_depth call.
12488 * toplev.c (rest_of_compilation): Call find_basic_block.
12489 * output.h (calculate_loop_depth): Declare.
12491 * flow.c (dump_flow_info): Dump loop_depth.
12492 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12494 (flow_loops_find): Initialize the loop_depth for each basic block.
12496 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12498 * tree.c (decl_function_context): Handle virtual functions.
12500 * tlink.c (scan_linker_output): Don't look in demangled name when
12501 looking for linker output keywords.
12503 * dwarfout.c (output_type): We can defer namespace-scope classes.
12505 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12507 * regclass.c (record_reg_classes): Update comment for merging
12508 register class preferences in reg->reg copies. Tighten conditions
12509 for merging register class preferences in reg->reg copies.
12511 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12513 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12515 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12517 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12518 (INIT_SECTION_ASM_OP): Delete.
12519 (FINI_SECTION_ASM_OP): Delete.
12520 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12522 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12524 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12525 the abstract origin wasn't emitted.
12527 * dwarf2out.c (class_scope_p): New fn.
12528 (gen_subprogram_die): Use it.
12529 (gen_variable_die): Use it. Tweak logic.
12530 (gen_struct_or_union_type_die): Check context_die to determine
12531 if we're function-local.
12532 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12534 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12536 * loop.c (check_dbra_loop): Can't reverse a biv that has
12537 maybe_multiple set.
12539 1999-12-14 Nick Clifton <nickc@cygnus.com>
12541 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12544 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12546 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12547 for givs made from biv increments.
12549 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12551 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12552 * alpha.c (override_options): Recognize -mcpu=ev67.
12553 * alpha.h (CPP_CPU_EV67_SPEC): New.
12554 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12555 (EXTRA_SPECS): Update.
12557 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12559 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12560 appropriate for -lang-c89 and -std=*.
12561 * cppinit.c (cpp_handle_option): Likewise.
12562 (new_pending_define): New, split out from cpp_handle_option.
12563 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12564 or enable trigraphs for -ansi/-std=*.
12566 * ginclude/stdarg.h (__va_copy): New.
12567 (va_copy): Don't define for C89.
12569 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12571 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12572 for long long multiply-accumulate.
12574 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12576 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12577 optimizing for size.
12579 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12581 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12582 if something changed. Back out that part of yesterday's changes.
12584 * loop.c (loop_max_reg): New static variable.
12585 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12587 (scan_loop): Call reg_scan_update whenever we may have added new
12588 registers, and update loop_max_reg.
12590 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12592 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12593 when source does not die.
12595 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12597 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12599 * config/sparc/linux64.h (TARGET_LIVE_G0,
12600 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12602 * config/sparc/linux.h (TARGET_LIVE_G0,
12603 TARGET_BROKEN_SAVERESTORE): Likewise.
12604 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12605 TARGET_BROKEN_SAVERESTORE): Likewise.
12607 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12608 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12610 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12611 as sparc64 block profiling register.
12612 * config/sparc/sparc.c (sparc_override_options): Allow block
12613 profiling with -m32.
12614 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12615 profiling register.
12616 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12617 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12618 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12620 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12622 * config/sparc/sparc.h: Likewise.
12623 * config/sparc/xm-sysv4-64.h: Likewise.
12624 * config/float-sparc.h: Likewise.
12625 * glimits.h: Likewise.
12626 * longlong.h: Likewise.
12628 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12629 (ASM_IDENTIFY_GCC): Remove.
12631 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12633 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12634 (simplify_logical): Likewise.
12636 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12638 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12639 * cppfiles.c (INO_T_EQ): Likewise.
12641 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12643 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12644 * i386/mingw32.h (LIB_SPEC): Likewise.
12645 (STARTFILE_SPEC): Likewise.
12646 * i386/uwin.h (LIB_SPEC): Likewise.
12647 (STARTFILE_SPEC): Likewise.
12649 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12650 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12652 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12654 * combine.c (combine_simplify_rtx): Fix order of checks for
12655 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12657 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12659 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12660 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12662 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12664 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12666 * regclass.c (inv_reg_alloc_order): New array.
12667 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12669 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12670 counted_for_groups, counted_for_nongroups. Add fields rld and
12672 * reload.c (push_secondary_reload): Don't set nongroup field of
12674 (push_reload): Likewise.
12675 (find_reloads): Delete code to compute nongroup fields.
12676 * reload1.c (reload_insn_firstobj): New static variable.
12677 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12679 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12680 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12681 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12683 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12685 (struct hard_reg_n_uses): Deleted.
12686 (potential_reload_regs): Deleted.
12687 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12688 (reload): Don't try to allocate reload registers if we already know
12689 we have to make another pass. Call select_reload_regs. Free memory
12690 starting with reload_firstobj when starting another pass.
12691 Don't allocate spilled_pseudos.
12692 (calculate_needs_all_insns): Call copy_reloads for an insn that
12693 needs reloads; don't call calculate_needs.
12694 (spill_cost): New static array.
12695 (used_spill_regs_local): New static variable.
12696 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12697 to compute potential_reload_regs.
12698 (find_reload_regs): Completely rewritten to use find_reg.
12699 (allocate_reload_reg): Don't test counted_for_groups or
12700 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12701 all cllers changed.
12702 (choose_reload_regs): Add fallback code that uses the existing
12703 register allocation from find_reload_regs.
12705 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12707 * flow.c (create_edge_list): Cast xmalloc return value.
12709 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12711 * doprnt.c: Remove incorrect comment closure.
12713 * cse.c: Fix a few minor whitespace goofs.
12715 1999-12-13 Don Bowman <don@pixstream.com>
12717 * mips/vxworks.h: Fix problem with comment termination.
12718 (EXTRA_SECTIONS): Add in_sbss.
12719 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12721 1999-12-12 David S. Miller <davem@redhat.com>
12723 * cse.c (struct cse_reg_info): Add hash_next member,
12724 reorder rest of struct for better packing on 64-bit
12726 (cse_reg_info_tree): Kill.
12727 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12728 REGHASH_FN): New custom pow2 hash mechanism.
12730 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12731 use a pow2 hash table.
12732 (get_cse_reg_info): Rework to use new REGHASH.
12733 (new_basic_block): Likewise, use HASH_SIZE, and inline
12735 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12736 and inline free_element call.
12737 (lookup_as_function, insert, flush_hash_table, invalidate,
12738 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12739 invalidate_for_call, use_related_value, find_comparison_args,
12740 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12741 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12742 get_element): Kill.
12744 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12746 * cse.c (cse_basic_block): Free qty_table consistently.
12748 1999-12-12 David S. Miller <davem@redhat.com>
12749 Jakub Jelinek <jakub@redhat.com>
12751 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12752 SUBREGs by hand, gen the appropriate hard reg directly.
12753 (movtf reg/mem split): Likewise and alter_subreg on destination
12755 (movtf mem/reg split): Similarly.
12756 (movdf_cc_sp64): Rename from hidden pattern.
12757 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12758 (movtf_cc_sp64, following split): New pattern and splitter.
12759 (movdf_cc_reg_sp64): Rename from hidden pattern.
12760 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12762 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12764 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12766 * loop.c (load_mems): Don't hoist written floating point mem
12769 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12771 * except.h (struct eh_queue): Add `next' pointer.
12772 (struct eh_status): Make x_ehqueue a pointer.
12773 (push_ehqueue): Declare.
12774 (pop_ehqueue): Likewise.
12775 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12777 (expand_fixup_region_end): Likewise.
12778 (expand_leftover_cleanups): Likewise.
12779 (push_ehqueue): Define.
12780 (pop_ehqueue): Likewise.
12781 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12782 than doing it inline.
12783 (expand_start_all_catch): Adjust now that ehqueue is a
12785 (mark_eh_queue): Mark all level of the queue.
12786 (mark_eh_status): Adjust now that ehqueue is a
12788 (init_eh_for_function): Allocate ehqueue.
12789 (free_eh_status): Free it.
12790 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12791 expansion for a fixup.
12793 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12795 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12797 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12798 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12799 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12800 function_ptr, getpagesize, __enable_execute_stack,
12801 __enable_execute_stack, __clear_insn_cache,
12802 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12803 _cleanup, _exit, __default_terminate, __terminate_func,
12804 __terminate, __empty, __throw, new_eh_context,
12805 eh_context_initialize, eh_context_static, eh_context_specific,
12806 get_eh_context, __get_eh_context, __get_eh_info,
12807 init_reg_size_table, eh_threads_initialize,
12808 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12809 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12810 __pure_virtual): Add prototype arguments.
12811 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12812 Cast a signed value to unsigned long when comparing against one.
12813 (new_eh_context): Wrap in _GTHREADS macro.
12814 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12816 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12817 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12819 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12821 * combine.c (record_promoted_value): Remove unused variable
12824 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12826 * global.c (record_conflicts): Likewise for `j'.
12828 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12831 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12833 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12834 output_fp_compare): Constify a char*.
12836 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12838 (override_options, ix86_comp_type_attributes, print_operand,
12839 output_387_binary_op, output_fix_trunc, output_fp_compare):
12841 (ix86_sched_reorder): Mark parameter `clock_var' with
12844 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12846 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12848 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12849 operand, for use in the Java front-end.
12851 1999-12-10 Ben Collins <bcollins@debian.org>
12853 * configure.in: Fix typo for "-64" in 64bit as check.
12854 * configure: Rebuilt.
12856 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12858 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12861 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12863 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12864 concatenation is utilized.
12866 * invoke.texi (-Wtraditional): Document it.
12868 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12870 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12871 Cast a ptrdiff_t to long and pass it to printf with %ld.
12873 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12875 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12876 68881, we have no 68881 registers at all.
12877 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12878 value in a 68881 register if it is available.
12880 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12882 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12883 for long long multiply-accumulate.
12885 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12887 * loop.c (insert_loop_mem): Undo last change.
12889 1999-12-10 David S. Miller <davem@redhat.com>
12891 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12893 * config/sparc/sparc-protos.h: Add them.
12894 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12895 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12896 constraints which use those helpers.
12897 (EXTRA_CONSTRAINT): Use this new macro.
12898 * md.texi: Update sparc target constraints documentation.
12899 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12900 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12901 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12902 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12903 (movsf high/lo_sum split): Rework for new patterns.
12904 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12906 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12908 * c-common.c (c_common_nodes_and_builtins):
12909 Create __builtin_ptrdiff_t and __builtin_size_t.
12911 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12913 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12915 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12917 * regclass.c (globalize_reg): Re-instate test that allows
12918 fixed registers to be declared as a variable even after functions
12921 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12923 * i386.md (cpu attribute): Add "athlon".
12924 (athlon_decode): New attribute.
12925 (Athlon scheduling units definitions): New.
12926 (fcmp and shld patterns): Set athlon_decode to "vector".
12927 * i386.c (athlon_cost): New.
12929 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12930 x86_use_sahf): Set for Athlon.
12931 (x86_use_fiop): Unset for Athlon.
12932 (override_options): Define Athlon alignments and "athlon" name.
12933 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12934 * i386.h (TARGET_ATHLON): New.
12935 (enum processor_type): Add PROCESSOR_ATHLON.
12936 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12938 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12940 1999-12-09 Andreas Jaeger <aj@suse.de>
12942 * loop.c (record_biv): Declare parameter as int.
12944 * config/i386/i386-protos.h: Declare long_memory_operand.
12946 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12948 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12949 EXPR_WITH_FILE_LOCATION.
12951 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12953 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12956 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12958 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12961 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12963 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12964 default on linux64 again.
12965 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12966 models for multilibing.
12967 * genmultilib: Accept | as alternative separator within a set in
12970 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12972 * calls.c (precompute_arguments): Make sure initial_value contains
12973 value pseudo which CSE expects.
12974 * cse.c (struct set): New entry orig_src.
12975 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12978 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12980 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12982 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12984 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12986 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12988 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12989 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12991 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12994 * longlong.h: Merge in changes from glibc.
12995 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12996 -mno-app-regs libgcc can be compiled.
12997 * libgcc2.c: Add defines so that the updated longlong.h
12998 can be used in libgcc2.a. Also, make sure on most architectures
12999 (at least on all which have optimized code in longlong.h defined
13000 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13002 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13004 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13005 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13006 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13008 * configure: Rebuilt.
13010 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13012 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13013 outputs require a register.
13015 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13017 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13018 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13019 functions like dptoul will be resolved.
13020 (libgcc2.a): Make sure that the object files from DPBIT are named
13021 differently (prefix `_dp') from those that would be coming from
13024 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13026 * configure.in: When target is sparc* and tm_file contains 64,
13027 test for 64bit support in assembler. If not supported, remove
13028 sparc/t-sol2-64 from target-dependent Makefile fragments.
13029 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13030 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13031 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13032 * acconfig.h (AS_SPARC64_FLAG): Added.
13033 * configure, config.in: Rebuilt.
13034 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13035 support. Use AS_SPARC64_FLAG.
13037 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13039 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13040 suitable for holding OFmode values so that gcc works with complex
13042 (hard_64bit_mode_classes): Likewise.
13044 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13045 so that it is actually matched.
13046 (sethi_di_medlow): Likewise.
13048 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13049 as legitimate constant if -mvis.
13050 * config/sparc/sparc.md (movtf): Likewise.
13051 (clear_sf): Use const_double_operand.
13052 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13054 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13055 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13056 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13057 routines, _Qp_* cannot be handled like that now.
13058 (INIT_TARGET_OPTABS): Likewise.
13059 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13060 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13061 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13062 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13063 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13064 divtf3, sqrttf3): New expanders.
13065 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13066 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13067 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13070 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13071 * configure: Rebuilt.
13072 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13073 -mcpu is given and we're doing 64bit compiles.
13075 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13077 * loop.h (struct induction): Add multi_insn_incr.
13078 * loop.c (basic_induction_var): New multi_insn_incr argument.
13079 Set it if we search back through previous insns for the biv.
13080 (record_biv): New multi_insn_incr argument; fill in struct induction.
13081 (strength_reduce): Discard an iv with multiple bivs, any of
13082 which require multiple insns to increment.
13084 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13086 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13089 1999-12-06 David S. Miller <davem@redhat.com>
13091 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13092 PROMOTE_FUNCTION_RETURN.
13094 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13096 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13097 and handle REG_UNUSED note on insn.
13099 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13100 inner_mask instead of mask.
13102 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13104 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13105 zero if there was an error.
13107 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13109 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13112 * longlong.h: Fix clobbers in SPARC asm statements.
13114 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13115 valid sethi operations when TARGET_ARCH64.
13117 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13118 always use move_by_pieces to avoid infinite recursion.
13119 (restore_fixed_argument_area): Likewise.
13121 * combine.c (check_promoted_subreg, record_promoted_value): New
13123 (combine_instructions): Use them to retain nonzero and sign bit
13124 information after SUBREGs are eliminated by optimizations in
13125 this pass if PROMOTE_FUNCTION_RETURN.
13127 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13128 .register declaration. Don't use variables with __ prefixes.
13130 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13132 * fold-const.c (optimize_bit_field_compare): Only use one mode
13133 for both RHS and LHS in non-constant case.
13135 1999-12-06 Nathan Sidwell <nathan@acm.org>
13137 * frame.c (start_fde_sort): Only allocate erratic array, if
13138 linear one was allocated. Return allocated flag.
13139 (fde_insert): Only insert, if there's a valid array.
13140 (fde_end_sort): Split, sort and merge if linear and erratic
13141 arrays exist, else just sort linear one.
13142 (search_fdes): New function. Linear search through original fde
13144 (frame_init): Permit multiple initializations. Cope with
13146 (find_fde): Fallback on linear search, if failed to sort array.
13147 (__deregister_frame_info): Only free sorted array, if we
13150 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13152 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13154 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13156 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13158 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13160 * tree.h (special_function_p): Declare.
13161 * calls.c (special_function_p): Make it global. Don't take `name'
13162 as a parameter. Fix typo in 1999-11-28 change.
13163 (expand_cal): Adjust.
13165 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13167 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13168 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13169 EXPR_WFL_FILENAME_NODE.
13170 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13172 * print-tree.c (print_note): Print TREE_PRIVATE and
13175 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13176 the original die cannot be found.
13178 * varray.h (varray_head_tag): Add elements_used.
13179 (VARRAY_PUSH): New macro.
13180 (VARRAY_POP): Likewise.
13181 (VARRAY_TOP): Likewise.
13182 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13184 * varray.c (varray_init): Initialize elements_used.
13185 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13186 (INTEGRATE_H): New variable.
13187 (integrate.o): Depend on INTEGRATE_H.
13188 (unroll.o): Likewise.
13190 * function.h (insert_block_after_note): Declare.
13191 * function.c (insert_block_after_note): Split out from ...
13192 (retrofit_block): ... here.
13194 * stmt.c (expand_fixup): Fix typo in comment.
13196 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13198 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13199 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13200 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13201 (regmove_optimize, fixup_match_1): Likewise.
13203 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13205 * flow.c (flow_loops_dump): Add missing argument when calling
13206 flow_loop_nested_p.
13208 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13209 Greg McGary <gkm@gnu.org>
13211 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13212 (init_attributes): Add A_NO_LIMIT_STACK.
13213 (decl_attributes): Handle A_NO_LIMIT_STACK.
13214 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13215 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13216 Handle stack bounds checking.
13217 * flags.h (flag_stack_check): Use the word 'probe' rather than
13218 'check', because the flag doesn't actually cause any checking to
13220 * function.c (expand_function_start): Set
13221 current_function_limit_stack.
13222 * function.h (struct function): Add limit_stack.
13223 (current_function_limit_stack): Define.
13224 * invoke.texi (Code Gen Options): Document new options.
13225 * rtl.h: Declare stack_limit_rtx.
13226 * toplev.c (stack_limit_rtx): New variable.
13227 (decode_f_option): Handle new options -fstack-limit-register=REG,
13228 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13229 (main): Add stack_limit_rtx as GC root.
13230 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13231 (struct tree_decl): New member no_limit_stack.
13233 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13235 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13236 (conditional_trap+1): Get new mnemonic correct.
13237 (conditional_trap+2): New pattern for DImode traps.
13239 * config/m68k/m68k.c (output_function_prologue): Handle
13241 * config/m68k/m68k.md (trap): New insn.
13242 (conditional_trap): New insn.
13243 * md.texi (Standard Names): Document `trap' and
13244 `conditional_trap'.
13245 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13246 so a cc0 setter doesn't get emitted at some random place in the
13249 * config/i960/i960.md (trap): New insn.
13250 (conditional_trap): New expander.
13251 (conditional_trap+1, conditional_trap+2): New insns for signed
13252 and unsigned cases.
13253 * config/i960/i960.c (i960_function_prologue): Use
13254 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13256 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13257 Geoffrey Keating <geoffk@cygnus.com>
13259 * flags.h (warn_padded, warn_packed): Add global var decls.
13260 * toplev.c (warn_padded, warn_packed): Add global var defns.
13261 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13262 * stor-layout.c (layout_record): Add local variable `type'
13263 to hold often-used TREE_TYPE (field). Add local variable
13264 `unpacked_align' to hold alignment that would be in force
13265 if no `packed' attribute were present. Warn if `packed' attribute
13266 is unnecessary, or even harmful. Warn when gcc inserts padding
13267 to satisfy alignment requirements of members. Use NULL_TREE
13268 when checking whether var_size is set.
13269 * invoke.texi: Document new flags.
13271 1999-12-03 Nathan Sidwell <nathan@acm.org>
13273 * frame.c (fde_split): Reimplement to avoid variable sized array.
13275 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13277 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13278 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13280 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13282 * invoke.texi: Document the mips option -mno-crt0
13284 1999-12-02 Mike Karr <mkarr@mathworks.com>
13286 * cccp.c (argdata): Added free_ptr member.
13287 (macroexpand): Initialize free_ptr of each argument. When an
13288 argument's buffers are freed, if the argument's free_ptr corresponds
13289 to a buffer on the input stack, then return the free_ptr to that stack
13290 frame, otherwise, free it.
13291 (macarg): If an argument begins and ends on the same input stack level,
13292 then transfer the free_ptr of that buffer to the argument in case
13293 the stack is popped during the processing of a subsequent argument.
13295 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13297 * loop.c (note_reg_stored): New function.
13298 (struct note_reg_stored_arg): New structure.
13299 (try_copy_prop): Change to be more conservative; only replace within
13300 one extended basic block and stop replacing if a store to the
13301 replacement reg is seen.
13303 1999-12-02 Nick Clifton <nickc@cygnus.com>
13305 * config/fp-bit.c: Initialise all fields of the NAN
13308 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13311 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13313 * i386.md (extend?f?f2): Force the input into a register, not
13316 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13318 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13320 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13321 alternative because setting up 64bit constant is usually costly,
13322 especially when reload is in progress or completed.
13323 (movdf_const_intreg_sp64): Likewise.
13324 (movdf_const_intreg split): Fix building up constants when
13325 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13327 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13329 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13330 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13333 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13334 (asm_file_start): Emit .am33 into assembly file when compiling for
13336 (print_operand_address): Handle POST_INC addresses.
13337 (can_use_return_insn, initial_offset): Check AM33 registers too.
13338 (expand_prologue): Check & save AM33 registers too.
13339 (expand_epilogue): Similarly.
13340 (secondary_reload_class): Handle AM33 specific secondary reloads.
13341 (output_tst): Emit efficient code for the AM33 too.
13342 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13343 (TARGET_SWITCHES): Add -mam33 switch.
13344 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13345 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13346 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13347 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13348 (enum reg_class, REG_CLASS_NAMES): Likewise.
13349 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13350 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13351 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13352 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13353 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13354 (HAVE_POST_INCREMENT): Define.
13355 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13356 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13357 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13358 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13359 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13360 (zero_extend to SI from QI/HI): Likewise.
13361 (sign_extend to SI from QI/HI): Likewise.
13362 (mulsidi3, umulsidi3): New patterns for the AM33.
13363 (tstsi with zero extension from QI/HI): Add AM33 variants.
13364 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13365 (return_internal_regs, store_movm): Handle new AM33 registers.
13366 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13367 (LIBGCC, INSTALL_LIBGCC): Likewise.
13368 * invoke.texi: Document new flags.
13370 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13372 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13373 (addsi3_carry): Likewise.
13374 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13375 (sbbsi3_carry): Likewise.
13376 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13377 (mulhi3): Likewise.
13378 (test?i_1): Ensure that only one operand is memory.
13379 (conditional move patterns): likewise.
13380 (shift and rotate patterns): Rewrite to expander, add
13381 "binary_operator_ok" to the condition.
13383 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13384 * i386.h (procesor_costs): Add movzbl_load field.
13385 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13386 non-Q registers, accept DImode registers anywhere.
13388 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13389 * i386.c (*_cost): Set value for movxbl_load field.
13391 * (addsi): New add to lea splitter.
13392 (ashlsi): Likewise.
13393 (lea to add/shift peep2): New.
13395 1999-12-01 Mark Salter <msalter@cygnus.com>
13397 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13398 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13399 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13401 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13403 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13404 * i386.md (movsi_xor): New.
13406 (movsi_1, movhi_1, movqi_1): Remove.
13407 (movsi_2): Rename to movsi_1.
13408 (movhi_2): Rename to movhi_1.
13409 (movqi_2): Rename to movqi_1.
13410 (movdi_1): Remove; remove splitter.
13411 (movdi_2): Rename to movdi_1.
13412 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13413 (long move peep2): Do not create QI or HI mode mov0s
13414 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13416 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13419 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13420 (abs?f2_if): Likewise.
13422 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13424 * ggc.h (ggc_test_and_set_mark): New macro.
13425 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13426 (ggc_mark_tree): Likewise.
13427 (ggc_mark_rtvec): Likewise.
13428 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13430 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13432 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13434 (decl_scope_table): Just an array of trees now.
13435 (push_decl_scope): Simplify.
13436 (dwarf2out_init): Adjust.
13437 (local_scope_p): New fn.
13438 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13439 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13440 (gen_typedef_die): Likewise.
13441 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13442 (gen_inlined_subroutine_die): Likewise.
13443 (gen_abstract_function): Set current_function_decl temporarily.
13444 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13445 Handle block extern declarations. Don't call push/pop_decl_scope.
13446 (gen_decl_die): Fix logic for block externs.
13448 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13450 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13451 to the list of functions which have attribute malloc by default.
13453 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13455 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13456 integer constant does not match the traditional type, limit the
13457 warnings to cases where the base of the type is ten.
13459 * invoke.texi (-Wtraditional): Document it.
13461 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13463 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13464 * rs6000.md: Only access a CONST_INT with INTVAL
13466 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13468 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13469 (compute_nearerout): Likewise.
13470 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13471 size_t to unsigned long for formatting.
13473 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13475 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13476 Allow the user to override call-used/fixed state of %g2-5
13477 registers from the command line (with the exception of %g4 for
13479 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13480 there is a higher chance of having a leaf function.
13481 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13482 for ARCH64 which has %ccr register.
13483 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13485 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13486 insn accept into delay slot any insn which does not use %[ol]
13487 registers. Accept some LO_SUM and shift left by 1 for the normal
13489 (output_function_epilogue): Likewise.
13490 (epilogue_renumber): Added argument which inhibits any renumbering
13491 and just tests if the rtx does not use any %[ol] registers.
13492 (output_return): Reflect above change.
13494 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13496 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13497 aggregate passing for sizes <= 16 bytes.
13499 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13501 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13502 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13503 * reload.c (find_dummy_reload): Likewise.
13504 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13505 * reload1.c (reload_as_needed): Likewise.
13506 * stupid.c (stupid_find_reg): Likewise.
13507 * tm.texi (Obsolete Register Macros): Delete section.
13508 * gmicro.h: Remove all traces of the two macros.
13509 * i386.h: Likewise.
13510 * m88k.h: Likewise.
13511 * mips.h: Likewise.
13513 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13515 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13516 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13517 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13518 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13519 units for the sparclite86x chip.
13520 (flush): Revert October 14th change; add SImode specifically.
13521 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13522 * invoke.texi: Document it.
13524 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13526 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13527 psimode_truncation_operand.
13529 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13530 function. Return true if the operand is either a MEM valid
13531 for a PSImode address or not a MEM at all.
13533 * config/mn10200/mn10200.md (truncsipsi2): Use
13534 psimode_truncation_operand.
13536 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13538 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13539 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13540 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13541 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13542 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13543 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13544 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13545 * basic-block.h: Protect from multiple inclusion.
13546 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13547 (struct loops, struct loop): Define structures.
13548 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13549 * sbitmap.h: Protect from multiple inclusion.
13550 (sbitmap_a_subset_b_p): Add prototype.
13551 * Makefile.in (LOOP_H): New macro.
13552 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13554 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13556 * cppinit.c (CAT): The argument list of this macro may not contain
13559 1999-11-29 David S. Miller <davem@redhat.com>
13561 Move quantity tables and register equivalence chains into
13562 per-qty and per-register structure arrays respectively.
13563 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13564 qty_const_insn, qty_comparison_code, qty_comparison_const,
13565 qty_comparison_qty): Delete, replace with...
13566 (qty_table): this structure table.
13567 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13568 (reg_eqv_table): this structure table.
13569 (make_new_qty): Add argument MODE. Caller updated.
13570 Update to use qty_table and reg_eqv_table.
13571 (make_regs_eqv, delete_reg_equiv, insert_regs,
13572 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13573 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13574 cse_process_notes, cse_main, cse_basic_block): Likewise.
13576 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13578 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13579 operation if C is negative.
13580 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13581 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13582 law for some divisions if constant is negative and change other
13583 divisions to the opposite rounding.
13585 * expr.c (store_constructor_field): If bit position is not multiple
13586 of alignment of TARGET's mode, use BLKmode.
13588 * expr.c (expand_expr_unaligned): Add more code from full case
13589 that is needed when OP0 is in a register.
13591 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13593 * dwarfout.c (field_byte_offset): Size can be zero if there was
13596 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13598 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13599 (associate_trees): Delete unused var TEM.
13600 (extract_muldiv): Delete unused var CANCEL_P.
13602 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13603 (target_isinf, target_isnan, target_negative): Add return types to
13604 function definitions.
13606 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13608 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13609 * fixinc/hackshell.tpl: ditto
13610 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13611 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13613 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13615 * reload.c (push_reload): When looking for a register to put into
13616 reg_rtx, make sure all hard regs in a multi-reg register are in the
13617 right class and nonfixed.
13619 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13620 pending_read_insns, pending_write_insns, pending_read_mems,
13621 pending_write_mems, pending_list_length, last_pending_memory_flush,
13622 last_function_call, sched_before_next_call): Move static variables
13624 (bb_ prefixed versions): Replace with single array bb_deps.
13625 (struct deps): New structure.
13626 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13627 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13628 argument of type "struct deps *"; use that instead of global
13629 variables. All callers changed.
13630 (init_rgn_data_dependencies): Delete function.
13631 (init_rtx_vector): Delete function.
13632 (init_deps): New function.
13634 (free_pending_lists): Simplify, we always use the bb_deps array even
13635 if only one basic block.
13636 (compute_block_backward_dependences): Likewise.
13637 (schedule_region): Likewise.
13639 (propagate_deps): New function, broken out of
13640 compute_block_backward_dependences.
13641 (compute_block_backward_dependences): Use it.
13643 * alpha.md: Delete useless patterns that tried to work around
13644 register elimination problems.
13646 * unroll.c (loop_iterations): Don't abort if iteration variable
13649 From Joern Rennecke:
13650 * reload1.c (reloads_conflict): Reverse test comparing operand
13651 numbers when testing for conflict between output/outaddr reloads.
13653 1999-11-29 David S. Miller <davem@redhat.com>
13655 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13657 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13659 1999-11-28 Robert Lipe <robertl@cygnus.com>
13661 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13662 table from .fini into .dtor.
13664 1999-11-28 Anthony Green <green@cygnus.com>
13666 * tree.h (struct tree_decl): Add malloc_flag.
13667 (DECL_IS_MALLOC): Define.
13668 * c-common.c (attrs): Add A_MALLOC attribute.
13669 (init_attributes): Add this attribute to the table.
13670 (decl_attributes): Handle malloc attribute.
13671 * calls.c (special_function_p): Check for the malloc attribute.
13672 * extend.texi (Function Attributes): Document malloc attribute.
13674 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13676 * pa.md (reload shift-add patterns): Remove.
13678 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13680 * reorg.c (dbr_schedule) Print more statistics. Corrected
13681 problem when printing info when 3 delay slots are filled.
13683 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13685 * combine.c (setup_incoming_promotions): Pass an outgoing
13686 regno to FUNCTION_ARG_REGNO_P which it expects.
13688 1999-11-28 Andreas Jaeger <aj@suse.de>
13690 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13692 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13694 * cccp.c (do_include): Avoid initialization of automatic variable.
13696 * integrate.c (mark_stores): Function definition made void, to match
13697 previous declaration.
13698 * regclass.c (dump_regclass): Ditto.
13699 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13701 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13703 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13704 known to be multiple of divisor.
13706 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13708 * combine.c (try_combine): Add code to try to merge a set of a
13709 two-word pseudo to a constant with a setting of one of those words
13712 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13713 (split_tree): Completely rework to make more general.
13714 (make_range, fold): Call negate_expr.
13715 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13716 (fold, associate): Call new split_tree and associate_trees.
13717 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13719 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13721 * loop.c (try_copy_prop): Avoid GNU C extension.
13723 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13725 * except.c (init_eh_for_function): Still zero eh_return_context,
13726 eh_return_stack_adjust, and eh_return_handler.
13728 * except.h (eh_status): Adjust documentation for x_protect_list.
13729 (begin_protect_partials): New function.
13730 * except.c (enqueue_eh_entry): Fix formatting.
13731 (get_first_handler): Add consistency check.
13732 (add_partial_entry): Adjust usage of protect_list.
13733 (emit_cleanup_handler): Save and restore ehqueue.
13734 (expand_start_all_catch): Add comment.
13735 (begin_protect_partials): New function.
13736 (end_protect_partials): Adjust usage of protect_list.
13737 (init_eh_for_function): Use xcalloc.
13739 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13741 * c-common.c (check_format_info): Don't call a variadic function
13742 with a non-literal format string.
13744 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13746 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13747 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13750 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13753 * collect2.c (collect_wait): Likewise.
13755 * dbxout.c (dbxout_type): Likewise.
13757 * gcc.c (do_spec_1): Likewise.
13759 * genemit.c (gen_insn, gen_expand): Likewise.
13761 * genrecog.c (write_switch, write_subroutine): Likewise.
13763 * mips-tfile.c (catch_signal, botch): Likewise.
13765 * print-rtl.c (print_rtx): Likewise.
13767 * toplev.c (default_print_error_function, report_error_function,
13768 _fatal_insn): Likewise.
13770 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13772 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13774 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13776 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13777 operations when needed.
13778 * i386.md (fop_?f_comm): New.
13779 (fop_?f_1): Do not accept commutative operands.
13781 1999-11-25 Andreas Jaeger <aj@suse.de>
13783 * config/mips/mips.md (casesi_internal): Add missing brace.
13785 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13787 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13788 (splice_child_die): Handle moving a child DIE from the declaration
13789 DIE of a class to its specification.
13790 (gen_struct_or_union_type_die): Use 'complete' consistently.
13791 (gen_decl_die): Generate the virtual context DIE first.
13792 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13794 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13796 * config/mips/mips.md (call_value_multiple_interanal1): New.
13798 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13800 * dwarf2out.c (free_AT, free_die): New fns.
13801 (remove_children): Call them.
13802 (output_line_info): Disable removal of duplicate notes.
13804 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13805 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13806 means pretend the type isn't defined.
13807 Don't defer emitting types.
13808 (gen_type_die_for_member): New fn.
13809 (gen_decl_die): Call it.
13810 (splice_child_die): New fn.
13811 (gen_member_die): Call it rather than generate duplicate dies.
13813 Defer emitting information for the abstract instance of an inline
13814 until we either inline it or emit an out-of-line copy.
13815 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13816 from output_inline_function if DECL_ABSTRACT is also set.
13817 (block_ultimate_origin): Likewise.
13818 (gen_abstract_function): New fn.
13819 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13820 (gen_subprogram_die): An abstract instance is not a declaration
13821 just because it doesn't match current_function_decl. Don't abort
13822 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13823 has an abstract origin.
13824 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13825 abstract instance here.
13827 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13829 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13830 where we need to reload fpul from a system register.
13832 1999-11-24 Andreas Jaeger <aj@suse.de>
13834 * config/mips/linux.h (CPP_PREDEFINES): Added.
13835 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13837 1999-11-24 Andreas Jaeger <aj@suse.de>
13839 * config/mips/linux.h (TARGET_VERSION): Added.
13840 (HANDLE_SYSV_PRAGMA): Added.
13841 (DEFAULT_VTABLE_THUNKS): Added.
13843 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13845 * local-alloc.c (qty): New structure and static variable.
13846 (qty_phys_reg): Remove, all references changed to qty.
13847 (qty_n_refs): Likewise.
13848 (qty_min_class): Likewise.
13849 (qty_birth): Likewise.
13850 (qty_death): Likewise.
13851 (qty_size): Likewise.
13852 (qty_mode): Likewise.
13853 (qty_n_calls_crossed): Likewise.
13854 (qty_alternate_class): Likewise.
13855 (qty_changes_size): Likewise.
13856 (qty_first_reg): Likewise.
13857 (alloc_qty): Rename variable QTY to QTYNO.
13858 (finf_free_reg): Likewise.
13859 (local_alloc): Allocate qty, do not allocate the removed variables.
13861 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13863 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13864 when -membedded-pic is passed.
13866 * config/mips/mips.md (casesi): Handle 64-bit case too.
13867 (casesi_internal_di): New insn.
13869 * config/mips/mips.c (embedded_pic_offset): Always make the
13870 embedded-pic subtractions relative to the name of the current
13871 function by use of the magic string "..CURRENT_FUNCTION".
13872 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13874 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13876 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13877 of (const_int 0), when what we really care about is
13878 whether it's a zero constant anyway.
13879 (div_trap_mips16): Likewise.
13881 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13883 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13884 unroll_block_trees when generating debuggable code.
13886 * tree.h (unsave_expr_1): New function.
13887 (lang_unsave): New variable.
13888 (get_callee_fndecl): New function.
13889 * tree.c (unsave_expr_now_r): New function.
13890 (lang_unsave): Define.
13891 (unsave_expr_1): Likewise.
13892 (unsave_expr_now_r): Split out from unsave_expr_now.
13893 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13894 call unsave_expr_now_r.
13895 (get_callee_fndecl): Define.
13897 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13898 (gencheck.o): Do depend on lang_tree_files.
13900 * integrate.h (copy_decl_for_inlining): New declaration.
13901 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13902 (copy_decl_for_inlining): New function.
13903 (integrate_parm_decls): Use it.
13904 (integrate_decl_tree): Likewise.
13906 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13908 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13909 the second two from the first.
13910 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13911 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13912 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13914 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13915 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13918 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13920 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13921 needed on the address operand.
13922 * pa.c (call_operand_address): Check for the correct mode.
13924 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13926 * loop.c: Include "basic-block.h".
13927 (try_copy_prop, replace_loop_reg): New functions.
13928 (load_mems): Detect registers that just hold copies of the hoisted
13929 mem, and call try_copy_prop to eliminate them.
13930 * Makefile.in (loop.o): Update dependencies.
13932 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13934 * Makefile.in (gencheck.o): Depend on gencheck.h.
13935 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13936 (insn-peep.o): Depend on except.h and function.h.
13937 (insn-attrtab.o): Depend on RECOG_H.
13938 (insn-output.o): Depend on toplev.h and flags.h.
13939 (gengenrtl.o): Depend on real.h.
13940 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13941 Unify all dependencies to be on RECOG_H rather than recog.h.
13943 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13945 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13946 * configure.in: Try building a bi-arch 32/64-bit compiler on
13947 sparc-*-solaris2.7 and higher.
13948 * configure: Rebuild.
13950 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13952 * config/freebsd.h: New, FreeBSD architecture independent file.
13953 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13954 independent pieces.
13955 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13956 directly by i386/freebsd.h.
13957 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13958 independent configuration file.
13959 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13960 directly by i386/freebsd.h.
13961 * configure: Rebuilt.
13963 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13964 which is in the user's namespace.
13965 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13966 `i386' which is not in our namespace.
13968 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13970 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13972 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13974 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13975 (add_dwarf_attr, add_child_die): Just push onto the front.
13976 (reverse_die_lists): New fn.
13977 (add_sibling_attributes): Use it.
13978 (push_decl_scope): Reorganize.
13979 (add_name_and_src_coords_attributes): Don't set file and line for
13980 an artificial decl.
13981 (gen_subprogram_die): An artificial function doesn't need to match
13983 (gen_compile_unit_die): Return the generated die. Only add
13984 AT_comp_dir if the filename is relative.
13985 (remove_AT): Simplify loop. Also free string values.
13986 (output_die): A DIE ref can't be null.
13987 (output_value_format, value_format): Take a dw_attr_ref.
13988 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13989 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13990 AT_addr, AT_lbl): New fns.
13991 (various): Use them.
13992 (various): Constify.
13994 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13996 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13997 take SUBREG_WORD into account.
13998 (if_then_else_cond): Likewise.
14000 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14002 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14003 clause from BSD license, pursuant with
14005 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14007 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14009 * loop.c (load_mems): Reformat slightly.
14010 * basic-block.h (regset_head): New typedef.
14011 (INIT_REG_SET): New macro.
14013 1999-11-22 Bruce Korb <autogen@linuxbox.com
14015 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14016 (mips-dec-bsd*): non-functional code
14017 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14019 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14020 added three replacement fixes
14021 (no_double_slash): removed comments that are not (any longer) pertinent
14022 (bad_lval): this fix currently runs against many files.
14023 The comment seems to indicate that we should select for files
14024 containing 'pragma extern_prefix'.
14026 * fixinc/fixinc.x86-linux-gnu: deleted
14027 * fixinc/inclhack.sh: regen
14028 * fixinc/fixincl.x: regen
14029 * fixinc/fixincl.sh: regen
14031 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14033 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14034 its code is INSN and it has no notes.
14036 1999-11-22 Andrew Haley <aph@cygnus.com>
14038 * varasm.c (function_defined): Remove.
14039 (make_function_rtl): Don't set function_defined.
14040 (make_decl_rtl): Remove global register warning.
14041 * regclass.c (no_global_reg_vars): New variable.
14042 (globalize_reg): Warn if function has already been defined.
14043 (regclass_init): Set no_global_reg_vars.
14045 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14047 * regclass.c (reg_pref): New structure and static variable
14048 (prefclass): Delete.
14049 (altclass): Delete.
14050 (all uses of prefclass and altclass): Use reg_pref instead.
14052 1999-11-21 Nick Clifton <nickc@cygnus.com>
14054 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14056 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14057 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14058 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14060 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14062 * varasm.c (output_constructor): Solve problem with long long
14063 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14065 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14067 * global.c (allocno): New structure and static variable.
14068 (allocno_reg): Remove, all references replaced by allocno.
14069 (allocno_size): Likewise.
14070 (hard_reg_conflicts): Likewise.
14071 (hard_reg_preferences): Likewise.
14072 (hard_reg_copy_preferences): Likewise.
14073 (hard_reg_full_preferences): Likewise.
14074 (regs_someone_prefers): Likewise.
14075 (allocno_calls_crossed): Likewise.
14076 (allocno_n_refs): Likewise.
14077 (allocno_live_length): Likewise.
14078 (find_reg): Rename ALLOCNO to NUM.
14080 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14081 references updated.
14082 (may_move_out_cost): New variable.
14083 (init_reg_sets_1): Initialize may_move_out_cost.
14084 (record_reg_classes): Use may_move_out_cost.
14086 * regclass.c (dump_regclass): New function.
14087 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14088 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14089 pass rtl_dump_file to regclass.
14090 * rtl.h (regclass): Update prototype.
14092 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14094 * i386.md (neg, not and abs patterns): Revmap to use
14095 ix86_expand_unary_operator and ix86_unary_operator_ok.
14096 (add?f and sub?f expanders): Force operand 1 to register.
14097 * i386.c (ix86_expand_unary_operator): Rewrite.
14098 (ix86_unary_operator_ok): Ensure that memory operands
14100 (ix86_binary_operator_ok): Do not allow operand 1 to
14101 come into memory and operand 0 not.
14102 (ix86_expand_binary_operator): Ensure that
14103 src1 is not non-matching memory.
14105 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14106 to support integer registers and memory.
14107 (abss?2_integer): Likewise.
14109 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14110 (REG_CLASS_NAMES): Likewise.
14111 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14113 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14114 (movsf): Likewise; unify 4th and 5th alternative.
14115 (pushdf): Likewise.
14116 (movdf_1): Likewise; rename to movdf_integer.
14117 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14118 remove redundant splitter.
14119 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14120 (movdf_nointeger): New.
14121 (movxf_nointeger): New.
14122 (pushxf_nointeger): New.
14124 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14125 memory operands in patterns.
14126 (fop*): Refuse two memory operands.
14128 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14129 on !TARGET_USE_CLTD CPUs.
14131 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14133 * extend.texi: Document C++ restricted pointers and references.
14135 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14137 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14138 (invalidate_skipped_set): Call it unconditionally.
14139 (cse_set_around_loop): Likewise.
14141 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14143 * rtl.texi (mem): Add documentation for alias-set argument
14146 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14148 * i386.h (struct_processor_costs): New fields int_load, int_store,
14149 fp_move, fp_load and fp_store
14150 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14152 (MEMORY_MOVE_COST): New macro.
14153 * i386.c (386_cost): Define new fields.
14154 (i486_cost): Likewise.
14155 (pentium_cost): Likewise.
14156 (pentiumpro_cost): Likewise.
14157 (k6_cost): Likewise.
14159 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14160 Geoffrey Keating <geoffk@cygnus.com>
14162 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14164 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14167 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14168 (TARGET_STRICT_ALIGNMENT): New macro.
14169 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14170 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14171 * invoke.texi (M680x0 Options): Document -mstrict-align.
14173 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14174 Richard Henderson <rth@cygnus.com>
14176 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14177 (ix86_split_long_move): Declare.
14178 * i386.c (split_xf, ix86_split_movdi): Remove.
14179 (ix86_split_to_parts, ix86_split_long_move): New.
14180 * i386.md (dimode move splitters): Use ix86_split_long_move.
14181 (dfmode move splitters): Likewise.
14182 (xfmode move splitters): Likewise.
14183 (movsf_1): Allow F->r.
14184 (movdf_1, movxf_1): Allow F->ro.
14186 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14188 * except.h (struct eh_entry): Add goto_entry_p.
14189 (eh_region_from_symbol): Remove prototype.
14190 * except.c (find_func_region_from_symbol): New function.
14191 (emit_cleanup_handler): Likewise.
14192 (eh_region_from_symbol): Make it static.
14193 (add_new_handler): Verify the argument.
14194 (find_func_region): Update comment.
14195 (expand_eh_region_end): Expand handlers here, rater than waiting
14196 until expand_leftover_cleanups or start_all_catch.
14197 (expand_leftover_cleanups): Don't expand here.
14198 (expand_start_all_catch): Or here.
14199 (expand_rethrow): Check the return value from find_func_region.
14200 * function.c (expand_function_end): Emit the catch_clauses.
14202 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14204 * integrate.c (expand_inline_function): Add necessary check for NULL.
14206 1999-11-18 Nick Clifton <nickc@cygnus.com>
14208 * toplev.c (main): Correctly detect an unrecognised option.
14210 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14211 a -f option if it has not been recognised.
14213 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14215 * basic-block.h (update_life_extent): Remove trailing comma on
14216 enumeration type list.
14218 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14220 * varasm.c (output_constructor) Solved problem with long long
14221 bitfields. Corrected calculating this_time and shift. Also
14222 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14224 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14226 * flow.c (split_edge): Take looping structure into account when
14227 determining where to put the new block note.
14229 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14231 * Makefile.in (ggc-none.o): Provide host specific version if
14234 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14236 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14237 containing subregs too.
14239 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14241 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14242 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14243 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14244 (text_section): Add switches -munint-const-in-rodata and
14245 -mno-uninit-const-in-rodata.
14246 (ASM_OUTPUT_COMMON): Remove.
14247 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14248 const objects should be placed in read-only data. Otherwise declare
14251 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14253 * jump.c (jump_optimize_1): Revert last change.
14255 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14257 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14258 test if optimizing for size.
14260 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14262 * Makefile.in (toplev.o): Depend on except.h.
14263 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14265 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14267 * i386.md (divmodsi4): Rewrite to expander.
14268 (*divmodsi4_nocltd): New.
14269 (*divmodsi4_cltd): New.
14270 (divmodsi4 splitter): Handle the case when input comes in edx.
14271 (udivmodhi4): Do not use constraints in exander.
14272 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14274 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14276 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14277 for the common case.
14279 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14281 * explow.c (hard_function_value): Add outgoing argument.
14282 * expr.h (hard_function_value): Declare it.
14283 * calls.c (expand_call, emit_library_call_value): Update callers.
14284 * function.c (aggregate_value_p): Ditto.
14285 (diddle_return_value): Must look at the outgoing registers
14286 on archs with register windows.
14288 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14290 * alpha.c (alpha_build_va_list): Use make_lang_type and
14291 initialize TYPE_NAME for the va_list record.
14293 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14295 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14297 * ggc.h (struct ggc_statistics): Rearrange elements for better
14298 packing on 64-bit hosts.
14299 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14300 (compute_nearerout): Likewise.
14302 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14304 * config/rs6000/rs6000.c (first_reg_to_save): Save
14305 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14307 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14309 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14310 notion of nesting to find the DIE for a type or function.
14311 DIEs can go in limbo even if we got a context_die.
14312 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14313 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14315 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14316 (gen_type_die): Writing out the context doesn't cause member class
14317 template instantiations to be written out as well.
14319 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14321 * rs6000.h (ASM_OUTPUT_DEF): New.
14322 Based on proposed addition from David Edelsohn.
14324 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14325 Bruce Korb <autogen@linuxbox.com>
14327 * fixinc/inclhack.def
14328 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14329 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14331 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14332 (svr4_endian): enabled with SVR5
14333 (svr4_mkdev): simplified syntax and enabled with SVR5
14335 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14337 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14338 * configure: Rebuilt.
14339 * config/t-freebsd-thread: New file.
14341 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14343 * i386.c (ix86_decompose_address): Verify the base is a REG
14344 before trying to examine its register number.
14346 * basic-block.h: Remove all #defines and prototypes related to
14348 (free_bb_mem, compute_preds_succs): Remove prototype.
14349 * rtl.h (free_bb_mem): Remove prototype.
14350 * flow.c (alloc_int_list_node); Remove function.
14351 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14352 (compute_preds_succs, free_bb_mem): Likewise.
14353 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14354 * toplev.c (rest_of_compilation): Likewise.
14355 * haifa-sched.c (build_control_flow): Use flow generated edge
14356 list to build the haifa specific edge list.
14357 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14358 (schedule_insns): Do not build pred/succ lists anymore. Instead
14359 build the edge table.
14361 * basic-block.h (dump_bb_data): Remove declaration.
14362 * flow.c (dump_bb_data): Remove function.
14363 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14364 (sbitmap_union_of_predsucc): Likewise.
14366 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14367 argument. All callers changed.
14368 (delete_null_pointer_checks_1): No longer need to compute the
14371 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14372 All callers changed.
14373 (pre_expr_reaches_here_p_work): Likewise.
14374 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14375 * lcm.c (compute_laterin): Fix initialization of LATER.
14376 (compute_nearerout): Similarly for NEARER.
14378 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14380 * cse.c (set_nonvarying_address_components): Delete unused function.
14381 (refers_to_p): Likewise.
14383 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14385 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14388 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14390 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14391 definition in do while (0).
14393 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14395 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14397 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14399 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14401 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14403 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14404 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14405 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14406 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14408 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14409 saved on the stack. Output more accurate stack frame statistics
14410 into assembler file.
14412 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14414 * genextract.c (record_insn_name): New function.
14415 (get_insn_name): No longer a stub.
14416 (main): Call record_insn_name for each insn. After each label
14417 written, print the insn name in a comment.
14419 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14421 * output.h (const_section, init_section, fini_section): Add
14424 * alpha/elf.h (const_section): Delete declaration.
14426 * svr4.h (const_section): Likewise.
14428 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14430 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14431 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14432 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14434 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14435 variable-sized array bounds.
14437 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14439 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14442 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14444 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14445 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14447 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14449 * cse.c (hash_arg_in_struct): Delete.
14450 (struct table_elt): Delete elt in_struct.
14451 (struct set): Delete elt src_in_struct.
14452 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14453 the corresponding in_struct elts.
14454 (canon_hash): Likewise.
14455 (safe_hash): Likewise.
14456 (find_best_addr): Likewise.
14457 (record_jump_cond): Likewise.
14458 (cse_insn): Likewise.
14460 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14462 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14464 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14467 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14469 * function.c (diddle_return_value): Put back check that the DECL_RTL
14470 for the function is a register.
14472 * function.c (diddle_return_value): Use hard_function_value to
14473 get an rtx suitable for use in the USE/CLOBBER insn.
14475 * global.c (global_conflicts): Update comments.
14476 (record_conflicts): No need to record conflicts between pseudos here.
14478 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14480 * fixinc/fixincl.c: Added verbose levels for status messages
14482 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14484 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14485 operand as argument to expand_and or expand_binop.
14487 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14489 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14490 gcc_add_string_root.
14492 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14494 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14496 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14498 * flow.c (compute_flow_dominators): Initially put all blocks on
14500 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14501 * gcse.c (compute_cprop_avinout): Remove.
14502 (compute_cprop_data): Use compute_available.
14503 (delete_null_pointer_checks_1): Use compute_available.
14505 * basic-block.h (compute_available): Returns a void now.
14506 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14507 to return a value anymore.
14508 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14509 worklists. Fix boundary cases. Compute maximal solutions.
14510 (compute_laterin, compute_nearerout): Similarly.
14512 * dwarf2out.c (add_AT_location_description): Allow
14513 (mem (plus (pseudo) (...)) too.
14515 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14517 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14519 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14520 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14522 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14524 * gansidecl.h: Likewise.
14530 * toplev.h: Likewise.
14532 * tree.c: Likewise.
14534 * tree.h: Likewise.
14536 * varray.c: Likewise.
14538 * varray.h: Likewise.
14540 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14542 * gcov.c (struct arcdata): Add hits and total, remove prob.
14543 (output_branch_counts): New.
14544 (process_args): Set output_branch_counts if -c.
14545 (calculate_branch_probs): Store hits and total instead of
14547 (output_data): Emit counts if output_branch_counts is true.
14548 * gcov.texi (Invoking Gcov): Document -c switch..
14550 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14552 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14553 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14555 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14557 * invoke.texi (C Dialect Options): Add missing builtins from
14558 c-common.c to list.
14559 * extend.texi (Other Builtins): Copy to this list.
14561 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14563 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14564 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14565 redundant bitmap.h.
14567 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14569 * flow.c (compute_flow_dominators): No longer treat basic block 0
14570 or (n_basic_blocks - 1) specially. Clear the AUX field before
14571 starting computation of doms/pdoms. Fix initial state for pdoms.
14573 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14575 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14576 match rtl.o's: added ggc.h and toplev.h
14577 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14578 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14579 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14581 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14583 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14584 from HAVE_DOS_BASED_FILESYSTEM.
14585 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14586 HAVE_DOS_BASED_FILESYSTEM.
14588 (split_directories): Only special-case DOS file names if
14589 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14590 instead of explicit tests. Conditionalize on !VMS.
14591 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14592 tests. Conditionalize on !VMS.
14593 (process_command): Only use make_relative_prefix if !VMS.
14594 (free_split_directories): Conditionalize on !VMS.
14595 (DIR_UP): Conditionalize on !VMS.
14597 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14599 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14601 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14603 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14606 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14608 * invoke.texi (Environment Variables): Document relative path
14610 * gcc.c (DIR_UP): If not defined, define as "..".
14611 (standard_bindir_prefix): New static, holds target location to
14613 (split_directories): New function to split a filename into
14614 component directories.
14615 (free_split_directories): New function, release memory allocated
14616 by split_directories.
14617 (make_relative_prefix): New function, make a relative pathname if
14618 the compiler is not in the expected location.
14619 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14620 can figure out an appropriate prefix from argv[0].
14621 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14622 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14623 STANDARD_BINDIR_PREFIX.
14625 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14627 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14629 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14630 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14631 c4x_secondary_memory_needed) Delete.
14632 (fp_zero_operand): Add mode argument.
14634 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14636 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14637 that is in reload_reg_used.
14639 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14641 * config/arm/arm-protos.h: New file: Prototypes for functions
14642 defined in arm.c and pe.c.
14643 * config/arm/arm.h: Fix compile time warnings.
14644 * config/arm/arm.c: Fix compile time warnings.
14645 * config/arm/pe.h: Fix compile time warnings.
14646 * config/arm/aout.h: Fix compile time warnings.
14648 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14650 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14653 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14654 Add support for subtargets.
14655 Add prototypes for new predicates.
14656 Add scheduling macros.
14658 * config/m32r/m32r.c: Fix compile time warnings.
14659 (int8_operand): New predicate function.
14660 (reg_or_cmp_int16_operand): New predicate function.
14661 (extend_operand): New predicate function.
14662 (m32r_adjust_code): New scheduling function.
14663 (m32r_adjust_priorty): New scheduling function.
14664 (m32r_sched_init): New scheduling function.
14665 (m32r_sched_reorder): New scheduling function.
14666 (m32r_sched_variable_issue): New scheduling function.
14667 (direct_return): New codegen function.
14668 (m32r_not_same_reg): New rtl testsing function.
14670 * config/m32r/m32r.md: Fix compile time warnings.
14671 Add support for pre decrement and post increment memory
14673 Add S<cc> patterns.
14676 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14678 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14679 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14680 (find_reg): Likewise.
14682 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14684 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14685 to avoid assembler errors.
14687 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14689 * config/v850/v850-protos.h: New file: Prototypes for functions
14691 * config/v850/v850.h: Move prototypes to v850-protos.h
14692 * config/v850/v850.c: Move prototypes to v850-protos.h
14693 * config/v850/v850.md: Fix compile time warnings.
14695 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14697 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14698 * config/fr30/fr30.c: Fix compile time warnings.
14699 * config/fr30/fr30.md: Fix compile time warnings.
14701 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14703 * tree.h (get_containing_scope): Declare it.
14704 * tree.c (get_containing_scope): New fucntion.
14705 (decl_function_context): Use it.
14706 * toplev.c (rest_of_compilation): Use get_containing_scope.
14708 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14710 * Makefile.in (rtl.o): Depend on toplev.h.
14712 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14714 * cse.c (delete_trivially_dead_insns): Replace alloca with
14716 * except.c (update_rethrow_references): Likewise.
14717 (init_eh_nesting_info): Likewise.
14718 * function.c (identify_blocks): Likewise.
14719 * gcse.c (dump_hash_table): Likewise.
14720 * graph.c (print_rtl_graph_with_bb): Likewise.
14721 * loop.c (combine_movables): Likewise.
14722 (move_movables): Likewise.
14723 (count_loop_regs_set): Likewise.
14724 (strength_reduce): Likewise.
14725 * profile.c (compute_branch_probabilities): New function, split
14727 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14728 * regclass.c (regclass): Likewise.
14729 * regmove.c (regmove_optimize): Likewise.
14730 * toplev.c (compile_file): Likewise.
14731 (main): Don't mess with the stack rlimit.
14733 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14735 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14736 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14738 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14740 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14742 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14744 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14745 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14748 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14750 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14752 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14754 * gcse.c (post_dominators): Kill.
14755 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14756 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14757 pass in a pdom array since we do not need pdoms.
14758 * haifa-sched.c (schedule_insns): Similarly.
14759 * flow.c (compute_dominators): Remove dead function.
14760 (compute_flow_dominators): Do not compute doms or pdoms if the
14761 caller does not request them. Split up loop to build doms and
14762 pdoms. Use a worklist to compute doms and pdoms.
14763 * basic-block.h (compute_dominators): Remove prototype.
14765 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14767 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14768 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14769 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14770 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14771 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14772 (schedule_region): Remove unused variable.
14773 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14775 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14777 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14778 (update_equiv_regs): Likewise.
14779 (block_alloc): Likewise.
14780 * reg-stack.c (reg_to_stack): Likewise.
14781 (convert_regs_2): Likewise.
14782 * reload1.c (reload_as_needed): Likewise.
14784 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14786 * Makefile.in (dbxout.o): Depend on ggc.h.
14787 (dwarf2out.o): Likewise.
14788 (xcoffout.o): Likewise.
14789 * dbxout.c: Include ggc.h.
14790 (dbxout_init): Register lastfile as a root.
14791 * dwarf2out.c: Include ggc.h.
14792 (dwarf2out_line): Register lastfile as a root.
14793 * xcoffout.c: Include ggc.h.
14794 (xcoffout_source_line): Register xcoff_lastfile as a root.
14796 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14798 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14800 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14802 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14804 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14806 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14808 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14809 (EXECUTE_IF_CONFLICT): Likewise.
14810 (ALLOCNO_LIVE_P): Avoid signed division.
14811 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14812 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14813 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14815 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14817 * haifa-sched.c (schedule_block): Don't crash if there's no
14818 next insn for an interblock movement.
14819 (add_branch_dependences): Don't allow clobber insns to move either.
14821 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14823 * i386.c (split_xf): New.
14824 * i386-protos.h: Declare it.
14825 * i386.md (movxf_1): Add general regs alternatives.
14826 (movxf_1+1): New splitter for same.
14828 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14830 * function.c (purge_addressof_1): Add missing return values.
14832 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14834 * function.c (is_addressof): New function. Returns true if
14835 the given piece of RTL is an ADDRESSOF.
14836 (purge_addressof_1): Make boolean. Return false if the
14837 ADDRESSOFs could not be purged.
14838 (purge_addressof): If ADDRESSOFs could not be purged from the
14839 notes attached to an insn, remove the offending note(s),
14840 unless they are attached to a libcall.
14842 1999-11-05 Andreas Jaeger <aj@suse.de>
14844 * genoutput.c (null_operand =): Initialize all fields.
14846 * errors.h: Add extern to prototypes.
14848 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14850 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14851 * configure: Rebuilt.
14853 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14855 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14856 (mirror_conflicts): New function.
14857 (global_alloc): Call it.
14858 (expand_preferences): Remove redundant CONFLICTP test.
14859 (find_reg, dump_conflicts): Likewise.
14860 (prune_preferences): Process conflicts one word at a time.
14862 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14864 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14865 instead of an explicit loop.
14867 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14869 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14870 if REG_RETVAL check succeeds, then put classp in src_elt.
14872 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14874 * function.c (pad_to_arg_alignment): Only update argument_pad
14875 if the argument's alignment is greater than STACK_BOUNDARY.
14877 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14879 * bitmap.h (BITMAP_XFREE): New.
14880 * flow.c (life_analysis): Use it.
14881 (life_analysis_1): Free blocks.
14883 * combine.c (undo_commit): New.
14884 (try_combine): Use it. Don't zap undobuf.undos.
14885 (combine_instructions): Don't zap undobuf.undos; free the
14886 undobuf.frees list.
14888 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14890 * stmt.c (cost_table_): New.
14891 (estimate_case_costs): Use it instead of xmalloc.
14893 * toplev.c (compile_file): Reuse dumpname memory instead
14896 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14898 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14899 after verifying an EH edge.
14901 * haifa-sched.c (init_rgn_data_dependences): Correctly
14902 size bb_pending_lists_length when zeroing.
14904 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14906 * function.c (diddle_return_value): New.
14907 (expand_function_end): Use it.
14908 * stmt.c (expand_null_return): Likewise.
14909 (expand_value_return): Likewise.
14911 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14913 * reload1.c (reload): Don't remove return value clobbers.
14915 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14917 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14919 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14921 * cse.c (cse_main): Use xmalloc, not alloca.
14922 (cse_basic_block): Likewise.
14923 * local-alloc.c (local_alloc): Likewise.
14925 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14926 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14928 * rtl.c: Include toplev.h.
14929 (fatal): Remove declaration.
14931 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14933 * haifa-sched.c (schedule_block): Fix thinko.
14935 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14937 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14938 S_IR* defined values
14940 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14942 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14943 call `malloc' instead.
14945 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14947 * flags.h (flag_renumber_insns): Declare.
14948 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14950 * rtl.h (renumber_insns): Change prototype.
14951 * toplev.c (flag_renumber_insns): Define.
14952 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14954 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14956 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14957 and fpsqrtd. Use them and create fdiv function unit to more
14958 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14959 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14961 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14963 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14965 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14966 insn into ready list, do not use just a raw swap.
14968 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14970 * rtl.h (renumber_insns): New function.
14971 (remove_unnecessary_notes): Likewise.
14972 * emit-rtl.c (renumber_insns): Define.
14973 (remove_unncessary_notes): Likewise.
14974 * toplev.c (rest_of_compilation): Remove dead code.
14975 Use renumber_insns and remove_unncessary_notes.
14977 * gcse.c (struct null_pointer_info): New type.
14978 (get_bitmap_width): New function.
14979 (current_block): Remove.
14980 (nonnull_local): Likewise.
14981 (nonnull_killed): Likewise.
14982 (invalidate_nonnull_info): Take a null_pointer_info as input.
14983 (delete_null_pointer_checks_1): New function.
14984 (delete_null_pointer_checks): Use it.
14986 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14987 (split_edges): Likewise.
14988 (schedule_block): Likewise.
14989 (compute_block_backward_dependencies): Likewise.
14990 (schedule_region): Likewise.
14991 (schedule_insns): Likewise.
14993 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14995 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14996 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14997 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14998 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14999 * jump.c (delete_unreferenced_labels): Don't delete if
15000 LABEL_ALTERNATE_NAME is set.
15001 * print-rtl.c (print_rtx): Dump alternate name.
15002 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15003 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15004 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15005 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15007 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15009 * fix-header.c (recognized_extern, recognized_function): Constify
15012 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15013 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15014 (compute_available): Remove unused variable `last'.
15015 (compute_nearerout): Remove unused variable `temp_bitmap'.
15016 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15017 Remove unused variable `x'.
15019 * scan.h (recognized_function, recognized_extern): Constify a
15022 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15024 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15026 * varasm.c (decode_rtx_const): Use XSTR to access the string
15029 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15031 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15033 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15035 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15037 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15039 * pa.c (ireg_operand): New function.
15040 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15041 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15042 Fix out of date comment.
15044 * pa.md (negdi2): Turn into expander + anonymous pattern.
15046 * reload.c (find_reloads): Fix typos in recent change.
15048 * dwarf2out.c: Do not include ctype.h.
15050 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15052 * regclass.c (record_reg_classes): Always use may_move_cost when
15053 seeing how operand fits with various register classes.
15055 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15057 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15058 * toplev.c: Revert Nov 1 13:22 change.
15060 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15062 * config/pa/pa.md (height reduction patterns): Add checks for
15063 overlapping operands to avoid semantic-destroying splits for
15064 height reduction patterns.
15066 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15068 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15069 have been an hyphen, fixed.
15070 * configure: Rebuilt.
15072 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15074 * config/arm/tpe.h: Add prototypes for exported functions.
15075 * config/arm/pe.c: Fix compile time warnings.
15076 * config/arm/semi.h: Fix compile time warnings.
15077 * config/arm/arm.c: Fix compile time warnings.
15078 * config/arm/arm.h: Fix compile time warnings.
15079 * config/arm/arm.md: Fix compile time warnings.
15080 * config/arm/thumb.c: Fix compile time warnings.
15081 * config/arm/thumb.h: Fix compile time warnings.
15082 * config/arm/thumb.md: Fix compile time warnings.
15084 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15086 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15089 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15090 completely unrolled.
15092 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15094 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15096 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15098 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15099 * rtl.h (rtx_equal_p): Move prototype.
15100 * rtl.c (rtx_equal_function_value_matters): Move from
15102 (rtx_equal_p): Likewise.
15103 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15104 (rtx_equal_p): Likewise.
15106 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15108 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15109 ! HAS_INIT_SECTION.
15111 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15113 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15115 * pa.h (ADDR_VEC_ALIGN): Define.
15117 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15118 notes when presented with "if (foo) break; end_of_loop" and
15119 the break sequence gets moved out of the loop.
15121 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15122 Remove explicit zero initializations of entries within MAP.
15124 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15126 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15128 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15130 * bitmap.h (BITMAP_XMALLOC): New macro.
15131 * flow.c (CLEAN_ALLOCA): Remove.
15132 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15133 (life_analysis): Likewise.
15134 (update_life_info): Don't use CLEAN_ALLOCA.
15135 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15136 (calculate_global_regs_live): Likewise.
15137 (print_rtl_with_bb): Likewise.
15138 (verify_flow_info): Likewise.
15139 * global.c (global_alloc): Likewise.
15140 (global_conflicts): Likewise.
15141 * integrate.c (save_for_inline_nocopy): Likewise.
15142 (expand_inline_function): Likewise.
15143 * jump.c (jump_optimize_1): Likewise.
15144 (duplicate_loop_exit_test): Likewise.
15145 (thread_jumps): Likewise.
15146 * loop.c (loop_optimize): Likewise.
15147 (combine_givs): Likewise.
15148 (recombine_givs): Likewise.
15149 * reorg.c (dbr_schedule): Likewise.
15150 * unroll.c (unroll_loop): Likewise.
15152 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15154 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15156 * toplev.c (rest_of_compilation): Don't optimize the CFG
15157 when rebuilding, just before dbr.
15159 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15161 * output.h (assemble_end_function, assemble_destructor,
15162 assemble_constructor, assemble_gc_entry, assemble_global,
15163 assemble_label, output_constant_pool) Constify a char*.
15165 * varasm.c (assemble_destructor, assemble_constructor,
15166 assemble_gc_entry, assemble_end_function, assemble_global,
15167 assemble_label, output_constant_pool): Likewise.
15169 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15171 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15172 explaining what is goin on in this function.
15174 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15176 * regclass.c (record_reg_classes): In matching case, recompute
15177 costs since the direction of movement is different.
15179 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15181 * resource.c (mark_target_live_regs): For unconditional branches,
15182 the resources found at the branch target should be added to the
15183 resources found so far, not intersected.
15185 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15187 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15189 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15190 (sys/mman.h): Include this file only if #HAVE_MMAP.
15191 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15192 with automatically concatenated ANSI strings.
15194 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15196 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15197 (DIV_ROUND_UP): Robustify.
15198 (ggc_recalculate_in_use_p): New function.
15199 (release_pages): Don't inline it.
15200 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15202 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15203 (clear_marks): Always save in_use_p.
15204 (sweep_pages): Use ggc_recalculate_in_use_p.
15205 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15206 Release pages before counting statistics.
15208 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15210 * toplev.c (rest_of_compilation): Fix thinko in this change:
15212 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15214 (rest_of_compilation): If inside an inlined external function,
15215 pretend we are just being declared.
15217 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15219 * flow.c (calculate_global_regs_live): Fix thinko.
15221 * integrate.c (expand_inline_function): Fix bugs in previous
15222 change from Oct 28, 1999.
15224 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15226 * stmt.c (expand_value_return): Fix typo in this change:
15228 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15229 (expand_value_return): Correctly convert VAL when promoting function
15230 return; support RETURN_REG being a PARALLEL.
15232 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15234 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15236 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15238 * hard-reg-set.h (reg_names): Constify a char*.
15240 * regclass.c (reg_names): Likewise.
15242 * regs.h (reg_names): Likewise
15244 * a29k/a29k.c (reg_names): Delete declaration.
15246 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15248 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15249 arc_output_function_epilogue): Likewise.
15251 * elxsi/elxsi.c (reg_names): Likewise.
15253 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15255 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15258 * m88k/m88k.c (output_function_profiler): Likewise.
15260 * sparc/sparc.c (sparc_flat_output_function_prologue,
15261 sparc_flat_output_function_epilogue): Likewise.
15263 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15265 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15266 warning from -Wuninitialized and put it under -W.
15267 * function.c (uninitialized_vars_warning): Warn only when the
15268 corresponding flag is set.
15270 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15272 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15273 is nonzero and the single set does not have an elt, then assign
15276 * simplify-rtx.c: New file.
15277 * Makefile.in (OBJS): Add simplify-rtx.o
15278 (simplify-rtx.o): Add dependencies.
15279 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15280 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15281 (cse_gen_binary, simplify_unary_operation): Delete.
15282 (simplify_binary_operation, simplify_plus_minus): Likewise.
15283 (check_fold_consts, simplify_relation_operation): Likewise.
15284 (simplify_ternary_operation): Likewise.
15285 (delete_trivially_dead_insns): Simplify the contents of the
15286 REG_EQUAL note before trying to substitute it into the source
15287 of the reg-reg copy at the end of a libcall sequence.
15289 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15290 references/callers changed.
15292 * mn10200.c (mn10200_va_arg): Force the return value into a
15295 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15297 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15300 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15302 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15304 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15306 * fold-const.c (fold): Fix thinko when optimizing comparisons
15309 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15311 * gcc.texi (Passes): Update front-end files to their current
15314 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15316 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15317 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15318 (PREDICATE_CODES): Add addition_operation.
15319 * alpha-protos.h (addition_operation): Declare.
15320 (secondary_reload_class): Likewise.
15321 * alpha.c (addition_operation): New.
15322 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15323 * alpha.md (adddi3): Turn into expander.
15324 (*lda, *adddi_2): New.
15325 (movsf, movdf patterns): Don't preference integer regs.
15326 (movsi, movdi patterns): Don't preference fp regs.
15328 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15330 * genrecog.c (write_switch): Check for duplicate CODE cases.
15332 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15334 * ggc-common.c: Update pre-function commentary.
15335 * ggc-page.c: Likewise.
15337 (poison_pages): Use memset directly.
15338 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15339 (ggc_collect): Poison before sweeping.
15340 * ggc-simple.c: Update pre-function commentary.
15341 (ggc_alloc_obj): Poison non-zeroed memory.
15343 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15345 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15346 match format string, even on 64-bit hosts.
15347 * gcc-page.c (ggc_page_print_statistics): Likewise.
15349 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15351 * config/i386/i386.c (ix86_cpu): Revert last patch.
15352 * config/i386/i386.h (ix86_cpu): Ditto.
15354 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15356 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15357 TYPE_SIZE, convert type of result to sizetype.
15359 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15361 * flow.c (count_or_remove_death_notes): Equate NULL with the
15364 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15365 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15368 * i386.c (pic_label_no): Delete.
15369 (ix86_attr_length_default): Don't use single_set to peek
15372 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15373 the first insn after bb->end.
15374 * i386.md (push mem peeps): Scratch is live after evaluation
15376 (cmp mem peep): Similarly.
15378 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15380 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15381 * function.c (pad_to_arg_alignment): Add missing braces.
15383 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15385 * alpha/alpha-protos.h (literal_section): Add prototype.
15386 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15389 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15391 (alpha_start_function, alpha_end_function, float_strings,
15392 alpha_need_linkage): Constify a char*
15394 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15396 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15398 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15400 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15402 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15404 * flow.c (debug_flow_info): Add prototype.
15406 * gcc.c (main): Likewise.
15408 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15411 * reload1.c (failed_reload, set_reload_reg): Likewise.
15413 * mips-tfile.c (main): Likewise.
15414 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15415 with ATTRIBUTE_NORETURN.
15417 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15419 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15420 DECL is not a memory ref.
15422 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15424 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15425 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15427 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15429 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15430 * config/mips/elf64.h: ditto.
15432 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15434 * expr.c (emit_push_insn): New argument alignment_pad.
15435 Update all callers. Adjust stack pointer based on alignment pad.
15436 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15437 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15438 (locate_and_pad_parm): New argument alignment_pad. Update all
15440 * expr.h (emit_push_insn): Update prototype.
15441 (locate_and_pad_parm): Update prototype.
15442 * calls.c (arg_data): Add new field alignment_pad.
15443 (initialize_argument_information): Initialize alignment_pad.
15445 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15447 * except.c (free_eh_nesting_info): Free the info itself.
15448 * function.c (free_after_compilation): Don't free NULL.
15449 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15450 (pre_edge_insert): Free inserted.
15451 * stmt.c (free_stmt_status): Don't free NULL.
15453 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15455 * gcov.c (DIR_SEPARATOR): Provide default.
15456 (output_data): Add test for MS-DOS format absolute filename.
15457 (fancy_abort): Correct program name.
15458 (open_files): Open all files in binary mode.
15459 * libgcc2.c (__bb_exit_func): Likewise.
15461 * profile.c (init_branch_prob): Specify binary when opening files.
15463 * flags.h (flag_unwind_tables): New decl.
15464 * toplev.c (flag_unwind_table): New definition.
15465 (f_options): Add -funwind-tables.
15466 (decode_g_option): Clarify warning when unknown -g option is given.
15467 (rest_of_compilation): If inside an inlined external function,
15468 pretend we are just being declared.
15470 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15471 (dwarf2out_frame_finish): Likewise.
15473 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15475 * fold-const.c (merge_ranges): If not in0, but in1, handle
15476 upper bounds equal like subset case.
15478 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15480 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15481 passed in a register but moved to the stack.
15483 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15485 * gcc.c (pass_exit_codes, greatest_status): New variables.
15486 (struct option_map): Add entry for "--pass-exit-codes".
15487 (execute): Update greatest_status if error.
15488 (display_help): Add documentation for -pass-exit-codes.
15489 (process_command): Handle -pass-exit-codes.
15490 (main): Look at pass_exit_codes and greatest_status on call to exit.
15492 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15494 * reload.c (find_reloads): Refine test for no input reload
15495 case to not includes reloads emitted after insn.
15497 * function.c (find_temp_slots_from_address): Handle sum involving
15498 a register that points to a temp slot.
15499 (update_temp_slot_address): Make recursive call if both old and
15500 new are PLUS with a common operand.
15501 * calls.c (expand_call): Mark temp slot for result as having
15504 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15506 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15507 component as well as "BINUTILS".
15509 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15510 * integrate.c (copy_rtx_and_substitute): Likewise.
15511 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15512 All callers changed.
15513 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15515 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15516 gdb extensions, write size of type; also be more consistent
15517 in using references when this is a subtype.
15519 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15520 that is out of range.
15522 * loop.c (unknown_constant_address_altered): New variable.
15523 (prescan_loop): Initialize it.
15524 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15525 (invariant_p, case MEM): Remove handling for volatile and readonly;
15526 check new variable if readonly.
15527 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15529 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15530 (addr_affects_sp_p): Removed from note_mem_written and only
15531 define #ifdef AUTO_INC_DEC.
15533 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15535 * regclass.c (record_reg_classes): Properly handle register move
15538 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15539 Don't think valid if both operands are invalid.
15540 (struct constant_descriptor): New field RTL.
15541 (mark_const_hash_entry): Mark it.
15542 (record_constant{,_rtx}): Initialize it.
15543 (output_constant_def): Allocate RTL in permanent obstack and
15545 ({record,compare}_constant_1): Modes must match for
15546 CONSTRUCTOR of ARRAY_TYPE.
15548 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15549 * output.h (initializer_constant_valid_p): Move decl to here.
15550 * c-common.c (initializer_constant_valid_p): Delete function from here.
15551 * varasm.c (initializer_constant_valid_p): Move function to here.
15553 * tree.h (STRIP_SIGN_NOPS): New macro.
15554 * fold-const.c (optimize_minmax_comparison): New function.
15555 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15556 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15557 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15558 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15559 widening conversions.
15560 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15561 to look at size of mode, not precision of type; also add missing cases.
15562 (optimize_bit_field_compare, decode_field_reference): Don't try to
15563 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15565 * dwarf2out.c (ctype.h): Include.
15566 (dwarf2out_set_demangle_name_func): New function.
15567 (size_of_line_info): Deleted.
15568 (output_line_info): Compute size of line info table from difference
15570 (base_type_die, add_name_attribute): Call demangle function, if any.
15571 (field_byte_offset): Use bits per word for variable length fields.
15572 (gen_array_type_die): Add array name.
15573 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15574 (dwarf2out_add_library_unit_info): New function.
15576 * explow.c (set_stack_check_libfunc): New function.
15577 (stack_check_libfunc): New static variable.
15578 (probe_stack_range): Allow front-end to set up a libfunc to call.
15580 * combine.c (simplify_comparison): When making comparison in wider
15581 mode, check for having commuted an AND and a SUBREG.
15582 (contains_muldiv): New function.
15583 (try_combine): Call it when dividing a PARALLEL.
15584 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15585 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15587 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15588 use one of the CLOBBERs instead.
15589 (if_then_else_cond): If comparing against zero, just return thing
15592 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15593 Don't generate shifts and subtract if have conditional arithmetic.
15595 * rtl.h (delete_barrier): New declaration.
15596 * jump.c (jump_optimize): Set up to handle conditional call.
15597 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15598 (delete_barrier): New function.
15600 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15602 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15604 * tree.c (build_type_attribute_variant): Push to obstack of
15605 ttype around type_hash_canon call.
15607 * expr.c (placeholder_list): Move decl to file scope.
15608 (expand_expr): Don't force access to volatile just because its
15610 If ignoring reference operations, just expand the operands.
15611 (expand_expr, case COMPONENT_REF): Propagate
15612 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15613 Refine test for using bitfield operations vs pointer punning.
15614 (expand_expr, case CONVERT_EXPR): If converting to
15615 BLKmode UNION_TYPE from BLKmode, just return inner object.
15616 Use proper mode in store_field call.
15617 Properly set sizes of object to store and total size in store_field
15618 call for convert to union.
15619 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15620 memory (like for ADDR_EXPR). Also, don't put constant in register if
15621 we'll want it in memory.
15622 (readonly_fields_p): New function.
15623 (expand_expr, case INDIRECT_REF): Call it if LHS.
15624 (expand_assignment): Handle a RESULT_DECL where
15625 DECL_RTL is a PARALLEL.
15626 (do_jump, case WITH_RECORD_EXPR): New case.
15627 (get_inner_reference): Always go inside a CONVERT_EXPR
15628 and NOP_EXPR if both modes are the same.
15629 (store_field): Use bitfield operations if size of bitsize is not same
15630 as size of RHS's type.
15631 Check for bitpos not a multiple of alignment in BLKmode case.
15632 Do block move in largest possible alignment.
15633 (store_constructor): Set BITSIZE to -1 for variable size and properly
15634 in case of array of BLKmode.
15635 (expand_expr_unaligned): New function.
15636 (do_compare_and_jump): Call it.
15638 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15639 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15640 does not include 'o'.
15642 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15643 both SET_DEST and SET_SRC reference a virtual register.
15644 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15646 * integrate.c (expand_inline_function): Handle case of setting
15647 virtual stack vars register (from built in setjmp); when parameter
15648 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15649 (subst_constant): Add new parm, MEMONLY.
15650 (expand_inline_function, integrate_parm_decls): Pass new parm.
15651 (integrate_decl_tree): Likewise.
15652 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15653 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15654 (copy_rtx_and_substitute, case SET): Add explicit calls to
15655 copy_rtx_and_substitute for both sides.
15657 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15659 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15660 within INDEX_TYPE, instead of before.
15661 (fixup_gotos): Use f->target_rtl, not the next insn,
15662 since latter may be from a later fixup.
15663 (expand_value_return): Correctly convert VAL when promoting function
15664 return; support RETURN_REG being a PARALLEL.
15665 (expand_return): When checking for result in regs and having
15666 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15668 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15670 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15671 last_nominal_fname): Mark const.
15672 (struct include_hash: name, nshort, control_macro): Mark
15674 (struct macrodef: symnam): Mark const.
15675 (struct if_stack: fname): Mark const.
15676 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15677 (IStable): New character-syntax array which encompasses all
15678 the old is_foo arrays.
15679 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15680 is_space): New macros for interrogating IStable.
15681 (check_macro_name): Kill last argument. All callers changed.
15683 * cppinit.c (initialize_char_syntax): Delete.
15684 (is_idchar, is_idstart, is_hor_space, is_space,
15685 trigraph_table): Delete.
15686 (IStable): New. Initialize with clever macros to avoid
15687 information duplication.
15688 (builtin_array): Table of builtins to get rid of explicit list
15689 in initialize_builtins.
15690 (initialize_builtins): Use builtins_array.
15691 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15692 opts->dollars_in_ident.
15694 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15696 (cpp_parse_expr): Avoid 'format string is not constant'
15697 warning. Use ISGRAPH to identify printable chars.
15698 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15700 (read_and_prescan): Map trigraphs to chars with open-coded
15701 if-else-if-... sequence, not a lookup table.
15702 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15704 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15705 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15706 (check_macro_name): Remove ability to report an invalid
15707 assertion name, which is never used.
15708 (do_line): Constify a couple of char *'s.
15709 * cppmain.c (main): Call cpp_cleanup before returning.
15711 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15713 * ggc.h (struct ggc_statistics): New type.
15714 (ggc_get_size): New function.
15715 (ggc_print_statistics): Likewise.
15716 * ggc-common.c (ggc_stats): New variable.
15717 (ggc_mark_rtx_children): Keep statistics.
15718 (ggc_mark_tree_children): Likewise.
15719 (ggc_print_statistics): New function.
15720 * ggc-page.c (struct globals): Add bytes_mapped field.
15721 (alloc_anon): Update it.
15722 (release_pages): Likewise.
15723 (ggc_get_size): New function.
15724 (ggc_page_print_statistics): New function.
15725 * ggc-simple.c (ggc_get_size): New function.
15727 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15729 * flow.c (propagate_block): When the last reference to a label
15730 before an ADDR_VEC is deleted because the reference is a dead
15731 store, delete the ADDR_VEC.
15733 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15735 * resource.c (find_free_register): Don't use the frame pointer
15736 if frame_pointer_needed.
15738 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15740 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15741 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15743 * config/i960/i960.c (i960_va_start): New locals base, num.
15744 Use INDIRECT_REF instead of ARRAY_REF on valist.
15745 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15747 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15749 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15751 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15753 * tree.def (PLACEHOLDER_EXPR): Update comments.
15755 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15757 * c-common.c (check_format_info): Avoid non-literal format string
15758 warnings when `first_arg_num' is zero.
15760 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15762 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15764 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15766 * arm.md (casesi_insn): Add a clobber of the condition code
15769 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15771 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15772 used by both cc1 and cc1plus.
15774 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15776 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15777 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15778 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15779 to the value 32 if it has not already been defined.
15780 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15781 Override definition in arm.h with a value of 8.
15783 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15785 * c-pragma.c (push_alignment): Don't check the return value
15788 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15790 * sparc.h (ADJUST_COST): Fix thinko.
15792 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15794 * cccp.c (rescan): Fixed obp pointer handling around call to
15795 check_expand subroutine.
15797 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15799 * gcse.c (delete_null_pointer_checks): Only record non-null info
15800 for pseudos when examining stores.
15802 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15803 splitters for these patterns. Use "#" for output templates.
15804 (addsi3_carryin_shift): New pattern.
15806 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15808 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15809 of the function return register into a plain REG until
15810 after function inlining is done.
15812 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15814 * jump.c (jump_optimize_1): If we did cross-jumping, and
15815 the data will matter, rebuild the CFG.
15816 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15817 not optimizing. Don't run shorten_branches.
15818 * toplev.c (rest_of_compilation): Run shorten_branches after
15821 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15823 * rtl.h (note_stores): Add additional paramter.
15824 * rtlanal.c (reg_set_p_1): Take additional paramter.
15825 (reg_set_last_1): Likewise.
15826 (reg_set_p): Adjust call to note_stores.
15827 (reg_set_last): Likewise.
15828 (note_stores): Pass data parameter to worker function.
15829 * alias.c (record_set): Take additional parameter.
15830 (init_alias_analysis): Pass it.
15831 * caller-save.c (mark_set_regs): Take additional parameter.
15832 (save_call_clobbered_regs): Pass NULL to note_stores.
15833 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15835 (record_dead_and_set_regs_1): Likewise.
15836 (reg_dead_at_p_1): Likewise.
15837 (combine_instructions): Adjust calls to note_stores.
15838 (try_combine): Likewise.
15839 (record_dead_insn): Remove.
15840 (record_dead_and_set_regs): Adjust calls to note_stores.
15841 (reg_dead_at_p): Likewise.
15842 * cse.c (invalidate_skipped_set): Take additional parameter.
15843 (cse_check_loop_start): Likewise.
15844 (cse_check_loop_start_value): Remove.
15845 (cse_set_around_loop): Adjust calls to note_stores.
15846 * flow.c (notice_stack_pointer_modification): Take additional
15847 parameter. Remove duplicate declaration.
15848 (record_volatile_insns): Adjust calls to note_stores.
15849 * gcse.c (record_set_info): Take additional parameter.
15850 (record_last_set_info): Likewise.
15851 (invalidate_nonnull_info): Likewise.
15852 (record_set_insn): Remove.
15853 (compute_sets): Adjust calls to note_stores.
15854 (last_set_insn): Remove.
15855 (compute_hash_table): Adjust calls to note_stores.
15856 (insert_insn_end_bb): Likewise.
15857 (delete_null_pointer_checks): Likewise.
15858 * global.c (mark_reg_store): Take additional parameter.
15859 (mark_reg_clobber): Likewise.
15860 (reg_becomes_live): Likewise.
15861 (global_conflicts): Adjust calls to note_stores.
15862 (build_insn_chain): Likewise.
15863 * integrate.c (note_modified_parmregs): Take additional parameter.
15864 (mark_stores): Likewise. Make it static.
15865 (save_for_inline_nocopy): Adjust calls to note_stores.
15866 (try_constants): Likewise.
15867 * integrate.h (mark_stores): Remove declaration.
15868 * jump.c (mark_modified_reg): Take additional parameter.
15869 (thread_jumps): Adjust calls to note_stores.
15870 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15872 (no_equiv): Likewise.
15873 (reg_is_set): Likewise.
15874 (validate_equiv_mem): Adjust calls to note_stores.
15875 (update_equiv_regs): Likewise.
15876 (block_alloc): Likewise.
15877 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15878 (note_addr_stored): Take additional parameter.
15879 (note_set_pseudo_multiple_uses): Likewise.
15880 (record_initial): Likewise.
15881 (prescan_loop): Adjust calls to note_stores.
15882 (strength_reduce): Likewise.
15883 (check_dbra_loop): Likewise.
15884 * regmove.c (flags_set_1): Take additional paramter.
15885 (mark_flags_life_zones): Adjust calls to note_stores.
15886 * reload1.c (mark_not_eliminable): Take additional parameter.
15887 (forget_old_reloads_1): Likewise.
15888 (reload_cse_invalidate_rtx): Likewise.
15889 (reload_cse_check_clobber): Likewise.
15890 (reload_combine_note_store): Likewise.
15891 (move2add_note_store): Likewise.
15892 (reload): Adjust calls to note_stores.
15893 (reload_as_needed): Likewise.
15894 (emit_reload_insns): Likewise.
15895 (reload_cse_regs_1): Likewise.
15896 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15897 (reload_combine): Adjust calls to note_stores.
15898 * resource.c (update_live_status): Take additional paramter.
15899 (mark_target_live_regs): Adjust calls to note_stores.
15900 * stupid.c (find_clobbered_regs): Take additional parameter.
15901 (stupid_life_analysis): Adjust calls to note_stores.
15903 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15905 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15908 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15911 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15912 of the variable arm_structure_size_boundary.
15914 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15916 * alias.c (init_alias_analysis): Allocate reg_known_value and
15917 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15919 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15920 * cse.c (cse_main): Call end_alias_analysis.
15921 * haifa-sched.c (schedule_insns): Likewise.
15922 * local-alloc. (update_equiv_regs): Likewise.
15923 * reload1.c (reload_cse_regs): Likewise.
15925 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15927 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15928 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15929 mapping from MASK_FPU.
15931 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15933 * sparc.md (call): Don't bound structure return size to 0xfff.
15935 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15937 * resource.c (mark_target_live_regs): Check that the target
15938 insn wasn't created after compute_bb_for_insn.
15940 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15942 * ggc-page.c (poison_pages): Don't be overzealous.
15944 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15946 * alias.c: Update comments for ADDRESS.
15947 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15948 it is a local memory reference.
15950 * c-typeck.c (build_function_call): Check that the built-in
15951 function is of class BUILT_IN_NORMAL before trying to recongize
15952 it as BUILT_IN_ABS.
15953 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15954 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15956 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15958 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15960 (pre_gcse): Likewise.
15961 (hoist_expr_reaches_here_p): Likewise.
15962 (hoist_code): Likewise.
15963 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15965 (pre_expr_reaches_here_p_work): ... here.
15966 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15968 (expr_reaches_here_p_work): ... here.
15970 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15972 * resource.c (find_basic_block): Delete.
15973 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15974 (init_resource_info): Call compute_bb_for_insn.
15976 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15978 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15979 with already adjacent blocks, but no fallthru.
15980 (merge_blocks_move_successor_nojumps): Simplify.
15981 (debug_flow_info): New.
15983 * toplev.c (rest_of_compilation): Open jump1 dump file before
15984 jump and close after, as opposed to just using dump_rtl.
15986 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15988 * reload.h (earlyclobber_operand_p): Declare.
15989 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15990 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15991 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15992 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15994 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15995 Richard Henderson <rth@cygnus.com>
15997 * emit-rtl.c (emit_block_insn_before): New.
15998 (emit_block_insn_after): New.
15999 * basic-block.h: Declare them.
16001 * bitmap.h: Protect from multiple inclusion.
16003 * recog.c (scratch_operand): Handle VOIDmode correctly.
16005 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16007 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16008 * function.c (assign_parms): Likewise.
16009 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16011 * reg-stack.c (max_uid): Remove.
16012 (blocks, block_begin, block_end, block_drops_in): Remove.
16013 (block_stack_in, block_out_reg_set, block_number): Remove.
16014 (struct block_info_def, BLOCK_INFO): New.
16015 (enum emit_where): New.
16016 (current_block): New.
16017 (BLOCK_NUM): Remove.
16018 (mark_regs_pat, record_label_references): Remove.
16019 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16021 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16022 (reg_to_stack): Simplified test for existance of fp code. Use
16023 flow.c code. Call shorten_branches after cross-jump opt.
16024 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16025 Return false if the asm doesn't use stack regs. Don't do life
16026 analysis on the asm.
16027 (emit_pop_insn): Replace function pointer arg `when' with
16028 enum `where'. Update all callers.
16029 (change_stack): Likewise. Update basic block end.
16030 (emit_swap_insn): Use current_block->head to limit reverse search
16031 for start of block. Use emit_block_insn_after.
16032 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16033 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16034 structure assignment instead of bcopy.
16035 (print_stack): New.
16036 (convert_regs_entry, convert_regs_exit): New.
16037 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16038 Work on basic blocks and the CFG.
16039 (convert_regs): Use them.
16041 * i386.c (output_fix_trunc): Remove code for DImode input operand
16042 not at top-of-stack.
16043 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16045 (fix_truncdi_1): Allow any mode scratch.
16047 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16049 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16050 * linux.h, netbsd.h, vms.h: Not here.
16052 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16054 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16055 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16056 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16057 CONDITIONAL_REGISTER_USEAGE): Use them.
16058 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16059 gen_conditional_branch,override_options) : Use them.
16060 * config/mips/mips.md : Use them.
16062 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16064 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16066 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16068 * integrate.c (function_cannot_inline_p): Don't allow inlining
16071 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16073 * c-parse.in (cast_expr): Constify.
16075 * cccp.c (special_symbol): Likewise.
16077 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16079 * dwarf2out.c (base_type_die): Likewise.
16081 * global.c (allocno_compare): Likewise.
16083 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16085 * regclass.c (fix_register): Likewise.
16087 * rtl.h (fix_register): Likewise.
16089 * stupid.c (stupid_reg_compare): Likewise.
16091 * toplev.c (decode_f_option): Likewise.
16093 * tree.c (build_complex_type): Likewise.
16095 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16097 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16099 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16101 * reload.c (find_reloads): Compute mode and nregs fields of all
16103 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16104 (calculate_needs): Use precomputed mode/nregs values.
16105 (allocate_reload_reg): Likewise.
16107 (failed_reload, set_reload_reg): ... new functions.
16108 (choose_reload_regs_init): New function, mostly broken out from...
16109 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16110 Also lose one #if 0 block.
16112 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16114 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16117 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16119 * tree.h (BLOCK_TYPE_TAGS): Remove.
16120 (BLOCK_END_NOTE): Likewise.
16121 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16122 (BLOCK_LIVE_RANGE_START): Likewise.
16123 (BLOCK_LIVE_RANGE_END): Likewise.
16124 (tree_block): Remove live_range_flag, live_range_var_flag, and
16125 type_tags. Remove end_note, live_range_start, and live_range_end.
16126 (remember_end_note): Remove prototype.
16127 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16128 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16130 * ggc-common.c (ggc_mark_tree_children): Don't mark
16131 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16132 * integrate.c (adjust_copied_decl_tree): Remove.
16133 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16134 * stmt.c (last_block_end_note): Remove.
16135 (init_stmt): Don't add a GC root for it.
16136 (expand_fixup): Don't set it.
16137 (remember_end_note): Remove.
16138 (expand_end_bindings): Don't set last_block_end_note.
16140 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16142 * reload1.c (reload_reg_free_for_value_p): Show
16143 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16146 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16148 * expmed.c (extract_bit_field): Allow for the case of non-integer
16149 objects that are smaller than a word (like SFmode on a 64-bit
16152 * loop.c (basic_induction_var): A non-integer variable which is
16153 being set by a paradoxical subreg is probably not a biv.
16155 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16157 * prefix.c (translate_name) Check for empty prefix string.
16159 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16161 * Makefile.in (CPP_CROSS_NAME): New variable.
16162 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16164 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16165 names of the files to be uninstalled.
16167 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16169 * collect2.c (IS_DIR_SEPARATOR): Define.
16170 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16172 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16175 * haifa-sched.c (add_dependence): Update the true dependency
16176 cache the first time we add a true dependence to the LOG_LINKS chain.
16178 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16180 * fold-const.c (fold): Fix comment.
16182 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16184 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16185 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16186 dbxout_start_new_source_file, dbxout_source_file,
16187 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16188 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16190 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16191 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16192 (dbxout_block): Initialize variable `blocknum'.
16194 * dbxout.h (dbxout_init, dbxout_finish,
16195 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16196 dbxout_args, dbxout_source_line): Constify a char*.
16198 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16199 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16200 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16201 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16202 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16203 src_info_attribute, mac_info_attribute, producer_attribute,
16204 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16205 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16206 dwarfout_undef): Constify a char*.
16207 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16209 * dwarfout.h (dwarfout_define, dwarfout_undef,
16210 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16212 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16214 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16215 (MULTILIB_ISA_DEFAULT): New.
16216 (MULTILIB_DEFAULTS): Use it.
16217 * config/mips/mips.c (): Remove the now unnecessary definition
16218 of MIPS_ISA_DEFAULT.
16219 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16220 unnecessary definition.
16222 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16224 * arm.md (pic_load_addr): Add constraints to operand 1.
16226 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16228 * fixinc/genfixes: Provide a means for specifying -D options to
16231 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16233 * arm.c (arm_override_options): Correct initialization of
16234 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16235 arm_is_strong, and arm_is_6_or_7.
16237 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16238 (note_set_pseudo_multiple_uses): New function.
16239 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16240 if a pseudo set in the loop exit is used elsewhere.
16242 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16244 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16246 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16248 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16249 a single load-address pattern.
16251 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16253 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16254 depending on whether or not line-number notes are present.
16256 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16258 * cccp.c (progname, file_buf, default_include, include_file,
16259 macrodef, definition, hashval, wchar_type, user_label_prefix,
16260 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16261 expand_to_temp_buffer, is_system_include, base_name,
16262 absolute_filename, read_name_map, open_include_file,
16263 record_control_macro, check_precompiled, check_preconditions,
16264 pcfinclude, pass_thru_directive, create_definition,
16265 check_macro_name, comp_def_part, collect_expansion,
16266 check_assertion, read_token_list, assertion_install,
16267 assertion_lookup, eval_if_expression, conditional_skip,
16268 validate_else, skip_quoted_string, quote_string, macarg1,
16269 error_from_errno, install, lookup, hashf, dump_defn_1,
16270 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16271 check_white_space, rescan, handle_directive, monthnames,
16272 special_symbol, do_include, remap_include_file, write_output,
16273 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16274 do_ident, do_sccs, do_xifdef, skip_if_group,
16275 output_line_directive, macroexpand, macarg, change_newlines,
16276 initialize_builtins, make_definition): Constify a char*.
16278 * pcp.h (stringdef): Likewise.
16280 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16282 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16285 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16286 Richard Henderson <rth@cygnus.com>
16288 * alias.c: Include ggc.h.
16289 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16290 (record_set): Verify enough room in reg_base_value.
16291 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16292 Register it as a GC root.
16293 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16294 * Makefile.in (alias.o): Depend on ggc.h.
16296 * unroll.c (unroll_loop): Verify the insn before a barrier
16297 is a JUMP_INSN before checking JUMP_LABEL.
16299 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16301 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16302 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16303 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16304 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16305 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16306 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16308 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16310 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16312 * alpha/alpha-interix.h (text_section): Delete prototype.
16313 * alpha/elf.h (text_section): Likewise.
16314 * arm/linux-elf.h (text_section): Likewise.
16315 * arm/linux-telf.h (text_section): Likewise.
16316 * c4x/c4x.h (text_section): Likewise.
16317 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16318 * elfos.h (text_section): Likewise.
16319 * i386/aix386ng.h (text_section): Likewise.
16320 * i386/i386-interix.h (text_section): Likewise.
16321 * i386/sco5.h (text_section): Likewise.
16322 * i386/svr3gas.h (text_section): Likewise.
16323 * nextstep.h (text_section): Likewise.
16324 * psos.h (text_section): Likewise.
16325 * ptx4.h (text_section): Likewise.
16326 * svr3.h (text_section): Likewise.
16327 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16329 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16331 * final.c (peephole): Delete prototype.
16333 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16334 (pre_insert_copies): Remove unused variable `bb'.
16336 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16339 * output.h (peephole): Add prototype.
16341 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16343 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16346 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16348 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16349 for inlined declarations.
16351 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16353 * arm.c (logical_binary_operator): New fucntion.
16354 * arm.h (logical_binary_operator): Declare it.
16355 (PREDICATE_CODES): Handle logical_binary_operator.
16356 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16357 output constraints. Add appropriate splitters.
16358 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16359 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16360 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16362 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16364 * genoutput.c (struct operand_data): New elt eliminable.
16365 (output_operand_data): Write it.
16366 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16367 (compare_operands): Take it into account.
16368 * recog.h (struct insn_operand_data): New elt eliminable.
16369 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16371 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16372 (eliminate_regs): Move code that detects changes to elimination
16373 target regs into new function elimination_effects.
16374 Delete one #if 0 block.
16375 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16376 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16377 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16378 Only call eliminate_regs for real operands of the insn, not for parts
16379 of its structure or parts matched by things like match_operator.
16380 Use elimination_effects and check_eliminable_occurrences. Use
16381 copy_insn to duplicate the pattern when not in the final pass.
16383 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16385 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16388 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16390 * fixinc/README: document the "mach" machine matching test
16391 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16392 * fixinc/fixtests.c: Implement the #else/#endif label test
16393 * fixinc/inclhack.def: utilize these tests and fixes
16394 * fixinc/inclhack.sh: regen
16395 * fixinc/fixincl.x: regen
16396 * fixinc/fixincl.sh: regen
16398 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16400 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16403 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16405 * gcc.1: Document exit codes.
16407 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16409 * calls.c: Include tm_p.h later, so everything we need is defined.
16410 * expr.c: Likewise.
16411 * function.c: Likewise.
16413 * except.c: Include tm_p.h.
16415 * sparc.c: Likewise.
16416 (dwarf2out_cfi_label): Don't prototype.
16417 (check_return_regs, epilogue_renumber,
16418 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16419 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16420 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16421 ultra_schedule_insn): Add static prototype.
16422 (data_segment_operand, text_segment_operand): Call itself with the
16423 proper number of arguments.
16424 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16426 * sparc.h: Move all declarations to sparc-protos.h.
16427 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16430 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16432 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16434 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16435 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16436 ASM_OUTPUT_ASCII): Constify a char*.
16438 * sparc-protos.h: New file for sparc prototypes.
16440 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16442 * function.c (record_insns, contains): Always declare and define.
16443 (record_insns): Mark with ATTRIBUTE_UNUSED.
16445 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16447 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16448 to .section when outputting a .bss section to deal with multiple
16449 .bss input sections (as happens with -fdata-sections)
16450 Also output %progbits, not @progbits so the assembler doesn't treat as
16452 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16454 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16455 thumb parts even when building with non-thumb CPUs, by forcing
16458 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16460 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16461 (movdf_const_intreg_sp64): Similarly.
16463 * local-alloc.c (update_equiv_regs): Check the correct insn
16464 for pre-existing REG_EQUIV notes.
16466 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16468 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16469 block reached by a branch if we're not going to actually process
16472 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16474 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16475 a local extern function declaration.
16477 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16479 * i386.c (ix86_expand_prologue): Properly wrap USE around
16480 reg for CALL_INSN_FUNCTION_USAGE.
16482 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16484 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16485 move between GP_REGs.
16487 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16489 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16490 the mode size when finding out if an offset is legal.
16492 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16494 * basic-block.h (PROP_*): Move constants from ...
16495 * flow.c: ... here.
16496 (compute_bb_for_insn): Free the array before reallocating.
16497 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16498 (allocate_reg_life_data): Reset all reg variables collected by
16500 (get_block_head_tail): Don't convert from bb to block.
16501 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16502 (find_insn_reg_weight): Take block not bb.
16503 (schedule_block): Don't set block num for moved insns.
16504 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16505 (schedule_insns): Do it here instead.
16506 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16507 before update_life_info.
16508 * recog.c (split_all_insns, peephole2_optimize): Update for
16509 new arg to update_life_info.
16510 * rtlanal.c (remove_note): Cope with NULL note.
16511 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16514 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16516 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16518 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16519 block records so that merge_blocks_nomove will clean up correctly.
16520 (split_edge): Handle casesi insns.
16522 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16524 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16526 * pa.md (call, call_value): Do not emit a blockage after restoring
16529 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16531 * c-typeck.c (c_expand_asm_operands): Fix typo.
16533 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16535 * arm.c (fpu_rhs_operand): Verify modes.
16536 (fpu_add_operand): Likewise.
16537 (di_operand): Likewise.
16538 (soft_df_operand): Likewise.
16540 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16542 * arm.c (arm_return_in_memory): APCS rules state that the elements
16543 of a structure returned in a register must be 'integer-like'.
16545 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16547 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16548 in the source tree when the generated targets are out of date
16549 * fixinc/genfixes: Alter it to run individual fixes for make.
16550 * fixinc/README: rewrite
16551 * fixinc/inclhack.def: moved initial comments to README
16553 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16555 * toplev.c (main): Do not generate an error message if an
16556 unrecognised command line switch is recognisable by another
16557 language. If extra_warnings are enabled, then generate a
16558 warning message instead.
16560 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16562 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16563 (insert_pack_attributes): Delete prototype.
16565 * c-pragma.c (default_alignment): New static variable.
16566 (push_alignment): Initialize to current effective alignment.
16567 (pop_alignment): Use to set new alignment.
16568 (insert_pack_attributes): Delete function.
16569 (handle_pragma_token): Set default_alignment as well each time
16570 a #pragma pack(<n>) is encountered.
16572 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16574 * reg-stack.c (stack_result): Aggregates are not returned in
16577 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16579 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16581 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16583 * basic-block.h (set_block_num): Declare.
16584 * flow.c (update_life_info): Don't call compute_bb_for_insn
16585 or free_basic_block_vars.
16586 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16587 (insn_orig_block): Remove.
16588 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16589 (schedule_block): Keep BLOCK_NUM up-to-date.
16590 (schedule_insns): Use compute_bb_for_insn.
16591 * recog.c (split_all_insns): Likewise.
16592 (peephole2_optimize): Likewise.
16594 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16596 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16597 if the pic register is used.
16599 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16601 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16602 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16603 if that tests TREE_PERMANENT.
16605 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16607 * cse.c (invalidate_for_call): Do not remove memory references from
16608 the table here. It's handled elsewhere.
16610 * haifa-sched.c (add_dependence): Protect references to the
16611 true dependency cache with #ifdef INSN_SCHEDULING.
16612 (remove_dependence): Similarly.
16614 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16615 to the cfg code that this is a return instruction.
16616 * mn10300.md (return_internal): Similarly.
16618 * combine.c (get_last_value): If the last set of a register
16619 is after subst_low_cuid, then we can not use it to determine
16620 the register's last value.
16622 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16624 * Makefile.in: Back out previous change.
16626 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16628 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16630 * haifa-sched.c (add_dependence): Only check/update the cache
16632 (remove_dependence): Likewise.
16633 (schedule_insns): Only create the true_dependency_cache if the
16634 average number of instructions in a basic block is very large.
16636 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16638 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16639 (ggc-simple.o): Likewise.
16640 (ggc-page.o): Likewise.
16642 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16644 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16645 Prototype for exported functions.
16646 (pre_lcm, pre_rev_lcm): Remove prototypes.
16647 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16648 (compute_available): Move to lcm.c, and change parameter order.
16649 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16650 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16651 (gcse_main): No longer call compute_preds_succs. Rebuild the
16652 set table after reach pre pass.
16653 (pre_insert_map, pre_delete_map, edge_list): New.
16654 (alloc_pre_mem): Allocate edge vectors.
16655 (free_pre_mem): Delete edge vectors.
16656 (compute_pre_data): Call new edge based lcm routines.
16657 (process_insert_insn): New function.
16658 (insert_insn_end_bb): Use it.
16659 (pre_edge_insert): New function.
16660 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16662 (pre_insert_copies): Revamp using new edge based lcm outputs.
16663 (pre_delete): Likewise.
16664 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16666 (compute_code_hoist_vbeinout): New new edge based routines.
16667 * lcm.c: Remove all the old LCM functions. Replace with new ones
16668 that work with the new cfg datastructures and work with edges
16671 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16673 * reload.h (struct reload): Add new fields "mode" and "nregs".
16674 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16675 to reference the "mode" and "nregs" field within struct reload.
16677 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16679 * haifa-sched.c (true_dependency_cache): New.
16680 (add_dependence): Use the true dependency cache to avoid expensive
16681 walks down the LOG_LINKS dependency list. Add entries to the
16682 cache as necessary.
16683 (remove_dependence): Remove entries from the true dependency cache
16685 (schedule_insns): Allocate and initialize and free the true
16688 * haifa-sched.c (schedule_insns): Do not remove inter-block
16689 dependencies anymore.
16691 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16693 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16694 * i386/t-winnt: Likewise.
16696 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16698 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16700 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16702 * Makefile.in (LANGUAGES): Omit "proto".
16703 (clean): Remove stale comment about removing unprotoize.c.
16705 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16707 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16708 using arithmetic on void pointers.
16710 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16712 * haifa-sched.c (compute_block_forward_dependencies): Only check
16713 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16715 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16717 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16718 (expr_equiv_p): Reject memories with different alias sets.
16720 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16722 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16723 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16724 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16725 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16726 (lang_init): Set default for flag_bounds_check if still "unspecified".
16728 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16730 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16732 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16734 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16737 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16739 * config/c4x/c4x.md (*db_noclobber,
16740 *decrement_and_branch_until_zero_noclobber): New patterns and
16741 associated splitters.
16743 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16745 * config/c4x/c4x.md (parallel instruction patterns): Rework
16746 constraints to keep reload happy.
16748 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16750 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16751 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16752 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16753 Add new patterns and associated post-reload splitters.
16755 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16757 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16759 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16761 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16763 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16765 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16767 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16770 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16772 * pa.c (move_operand): Rely on memory_address_p to determine the
16773 validity of non-indexed memory addresses.
16774 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16775 operand in DFmode and SFmode when generating PA2.0 code.
16777 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16779 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16781 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16783 * mips.c (function_prologue): Fix argument types.
16784 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16785 (casesi_internal): Write to the scratch register.
16787 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16789 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16791 (parse_charconst): Delete unnecessary cast when calling
16793 (cpplib.h): Kill prototype of cpp_parse_escape.
16795 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16797 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16798 * unroll.c (unroll_loop): Cast return value of alloca.
16799 * i370/i370.c: Include function.h and toplev.h.
16800 (i370_label_scan): Remove c++ commented abort.
16801 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16802 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16803 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16804 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16806 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16808 * config/t-freebsd: Do not override USER_H.
16809 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16811 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16812 Mumit Khan <khan@xraylith.wisc.edu>
16814 * c-parse.in (component_decl): Support anonymous struct/union.
16816 * c-parse.y: Regenerate.
16817 * c-parse.c: Likewise.
16818 * objc/objc-parse.y: Likewise.
16819 * objc/objc-parse.c: Likewise.
16820 * c-decl.c (finish_struct): Don't sort the fields.
16821 (field_decl_cmp): Delete unused function.
16823 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16825 * sparc.md (movsf_const_intreg): Revert last constraint change.
16826 (movdf_const_intreg_sp32): Likewise.
16828 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16830 * cse.c: Include hashtab.h instead of splay-tree.h
16831 (struct cse_reg_info): No longer use variant union. Add new
16832 field "regno". All references changed to avoid union.
16833 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16834 (free_cse_reg_info): Remove.
16835 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16836 (get_cse_reg_info): Revamp to use expandable hash tables instead
16837 of splay trees. Initialize new fields in cse_reg_info structure.
16838 (new_basic_block): Similarly.
16840 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16842 * genrecog.c (message_with_line): Prototype.
16843 (validate_pattern): Pass along the set for the dest, not a flag.
16844 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16845 Check for PC/CC0 as sources.
16846 (nodes_identical): Check for children position match before
16847 allowing the combination.
16849 * rtl.c (read_rtx): Track line number across \\\n.
16851 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16853 * mips.h (SPECIAL_MODE_PREDICATES): New.
16854 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16855 (movdi+1, movsi+1): Add output reload constraint.
16856 (casesi_internal): Likewise. Fix commentary.
16857 (return_internal): Use pmode_register_operand.
16859 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16861 * 1750a.md (movstrqi): Add missing output reload constraint.
16862 (call_value): Likewise.
16863 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16864 (jmpfdec): Add missing inout reload constraint.
16865 * elxsi.md (addsi patterns): Add missing output reload constraint.
16866 (move from sp): Use @ alternates.
16867 (call_value): No constraint on output.
16868 * fr30.md (movsi_pop): Add missing output reload constraint.
16869 (movsf_constant_store): Likewise.
16870 (splits): Remove constraints.
16871 (subsi3): Add missing mode.
16872 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16873 (call_value): Likewise.
16874 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16875 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16876 * m32r.md (movsicc_internal): Add output reload constraint.
16877 (movstrsi_internal): Add inout reload constraints.
16878 * m88k.h (reg_names): Don't declare.
16879 (SPECIAL_MODE_PREDICATES): New.
16880 * m88k.md (*): Use register_operand not reg_or_0_operand
16882 * mn10200.h (PREDICATE_CODES): New.
16883 * ns32k.md (ffs pattern): Add output reload constraint.
16884 * pdp11.md (sob pattern): Add inout reload constraint.
16885 * sh.md (splits): Remove constraints.
16886 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16887 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16888 * vax.md (jgequ pattern): Add inout reload constraint.
16890 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16892 * configure.in (djgpp): Revert previous patch.
16893 * configure: Rebuit.
16894 * config/i386/djgpp.h: Revert previous patch.
16896 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16898 * fixinc/inclhack.def: Restore patch lost during last merge of
16899 "no_bogosity" branch.
16900 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16902 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16904 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16905 * fixinc/inclhack.def: Same.
16906 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16908 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16910 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16911 as the base of a PLUS.
16913 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16915 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16916 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16918 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16920 * pa.md (post_stw+1): Use pmode_register_operand.
16921 (dcacheflush, icacheflush): Likewise.
16923 * i386.md (movstricthi_1): Allow r/r.
16925 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16927 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16928 to (not (and (arg0) (arg1))). Similary for and.
16930 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16931 fallthrough to associate code.
16932 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16935 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16936 no bits in common; remove XOR to ROTATE conversion.
16938 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16940 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16942 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16944 * config/c4x/c4x.c (dst_operand): New.
16945 (PREDICATE_CODES): Update.
16946 * config/c4x/c4x.h (dst_operand): Declare it.
16947 * config/c4x/c4x.md: Define mode for each unspec usage.
16948 (move patterns): Use dst_operand predicate instead of src_operand.
16949 (movqi_update, movqf_update): Delete.
16951 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16953 * recog.c (pmode_register_operand): New.
16954 * recog.h: Declare it.
16955 * genrecog.c (pred_codes): Likewise.
16956 (special_mode_pred_table): Likewise.
16957 (validate_pattern): Don't warn no mode for address_operand.
16959 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16960 if the operand is not insn-like.
16962 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16963 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16965 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16967 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16969 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16970 instead of general_operand in a SET_DEST. Use const_double_operand
16971 instead of an explicit test against CONST_DOUBLE.
16972 (movsf_const_lo): Add missing register mode.
16973 (goto_handler_and_restore): Add auxiliary test for Pmode.
16974 (flush): Adjust to use address_operand.
16975 (return_sf_no_fpu): Add missing output constraint.
16977 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16979 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16980 for call return value.
16981 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16983 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16985 * toplev.c (main): Only warn about options for other languages.
16986 * collect2.c (main): Pass -w to sub-gcc.
16988 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16990 * flow.c (propagate_block): Add call-clobbered registers to
16993 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16994 zapping mem_set_list.
16995 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16996 (mark_set_1, mark_used_regs): Likewise.
16998 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17000 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17002 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17004 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17005 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17006 options. Also add a new item "C-only Warning Options" to the
17009 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17011 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17012 from multiple calls.
17014 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17016 * i386.md (call value patterns): Move to the end of the file.
17017 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17019 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17021 * configure.in (djgpp configuration): Define extra_objects..
17022 * configure: Rebuilt.
17023 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17024 (DTORS_SECTION_ASM_OP): Define.
17025 (INIT_SECTION_ASM_OP): Define.
17026 (FINI_SECTION_ASM_OP): Define.
17027 (DATA_SECTION_ASM_OP): Define.
17028 (TEXT_SECTION_ASM_OP): Define.
17029 (EH_FRAME_SECTION_ASM_OP): Define.
17030 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17031 (STARTFILE_SPEC): Add crtbegin.o.
17032 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17033 to here from LINK_COMMAND_SPEC.
17034 (DO_GLOBAL_CTORS_BODY): Define.
17035 (CRTSTUFF_USE_FINI_SECTION): Define
17036 (HAS_INIT_SECTION): Delete.
17038 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17040 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17042 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17044 * pa.h (PREDICATE_CODES): New.
17046 * genrecog.c (validate_pattern): Condense the destination
17047 non-lvalue message.
17049 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17051 * alpha.md (call-1): Supply missing mode for operator.
17052 (*): Add missing output reload constraints. Remove constraints
17053 from define_splits.
17055 * i386.h (SPECIAL_MODE_PREDICATES): New.
17056 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17057 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17058 (addsi_lea_3): Add missing mode for op 3.
17059 (prologue_set_got, prologue_get_pc): Add missing modes.
17060 (*) Add missing output reload constraints.
17062 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17064 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17065 check for member bit-size overflow and use var_size if it occurs.
17066 (layout_record): Use bitsize_int() to define the type size in bits.
17067 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17068 (layout_decl): Likewise when assigning to DECL_SIZE.
17070 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17072 * genrecog.c (validate_pattern): Typo last change. Verify
17073 that output operands have output reloads.
17075 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17077 * genrecog.c (special_mode_pred_table): New.
17078 (NUM_SPECIAL_MODE_PREDS): New.
17079 (find_operand): New.
17080 (validate_pattern): New argument `insn'. Warn for assignment to
17081 any predicate accepting non-lvalues. Conditionaly warn for
17082 match_operand without a mode. Try much harder to match source
17083 and destination modes on a set.
17084 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17086 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17088 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17090 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17092 * combine.c (simplify_logical): Recognize xor pattern that encodes
17095 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17097 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17100 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17102 * ggc-page.c (MAP_FAILED): Provide default.
17104 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17106 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17107 * sparc.h (PREDICATE_CODES): Update.
17109 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17111 * alpha.c (some_ni_operand): New.
17112 * alpha-protos.h: Declare it.
17113 * alpha.h (PREDICATE_CODES): Update.
17114 * alpha.md (sXaddq reload insns): Use some_ni_operand
17115 for SET_DEST instead of some_operand.
17117 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17118 Jim Wilson <wilson@cygnus.com>
17120 * genrecog.c (maybe_both_true_2): Don't compare modes of
17122 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17123 after find_afterward.
17124 (debug_decision_1): Dump next and afterward codes.
17126 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17128 * rtl.c (dump_and_abort): Remove.
17129 (fatal_with_file_and_line): New.
17130 (fatal_expected_char): New.
17131 (read_rtx_lineno, read_rtx_filename): New.
17132 (read_skip_spaces): Track line number.
17133 (read_name): Use fatal_with_file_and_line.
17134 (read_rtx): Use fatal_expected_char. Track line number.
17135 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17137 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17138 if it isn't a CODE_LABEL.
17140 * genattr.c (main): Set read_rtx_filename.
17141 * genattrtab.c (main): Likewise.
17142 * gencodes.c (main): Likewise.
17143 * genconfig.c (main): Likewise.
17144 * genemit.c (main): Likewise.
17145 * genextract.c (main): Likewise.
17146 * genflags.c (main): Likewise.
17147 * genopinit.c (main): Likewise.
17148 * genoutput.c (main): Likewise.
17149 * genpeep.c (main): Likewise.
17151 * genrecog.c (decision_test.u.insn): Add `lineno'.
17152 (pattern_lineno, error_count): New variables.
17153 (message_with_line): New.
17154 (add_to_sequence): Break out checking code to ...
17155 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17156 (merge_insn): Use message_with_line.
17157 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17158 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17160 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17162 * expr.c (store_constructor): Clear union if constructor is empty.
17164 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17166 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17167 Add !endian checks. Change %{...} to %(...).
17169 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17171 * i386.md (*addsi3_cc): Renamed from addcsi3.
17172 (*addsi3_carry): Renamed from addxsi3.
17173 (*subsi3_cc): Renamed from subcsi3.
17174 (*subsi3_carry): Renamed from subxsi3.
17175 (*xorqi_cc_1): Renamed from xorcqi_1.
17176 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17177 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17179 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17181 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17182 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17184 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17186 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17187 climb up the chain of insns.
17189 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17191 * genrecog.c (write_subroutine): Careful for null trees.
17192 (process_tree): Don't elide empty functions.
17194 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17196 * Makefile.in (genrtl.o): Depend on ggc.h.
17197 * configure.in (valloc): Probe for it.
17198 (with-gc): Use ggc-page if valloc present.
17199 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17200 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17201 (ggc_alloc_string): Moved from ggc-page.c.
17202 * ggc-none.c (ggc_alloc_obj): New.
17203 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17204 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17205 (struct globals): Likewise for dev_zero_fd.
17206 (init_ggc): Likewise for it's initialization.
17207 (ggc_allocated_p): Move careful dereference from ...
17208 (ggc_lookup_page_table): ... here. Delete.
17209 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17210 (alloc_anon): Use valloc if no mmap.
17211 (release_pages): Use free if using valloc.
17212 (ggc_alloc_obj): Renamed from alloc_obj.
17213 (ggc_set_mark): Renamed from mark_obj.
17214 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17215 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17216 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17217 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17218 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17219 (ggc_collect): Use fp printing instead of our own rounding.
17220 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17221 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17222 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17223 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17224 (struct ggc_string, struct ggc_any): Delete.
17225 (offsetof): Provide default definition.
17226 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17228 (struct ggc_mem): New, from corpse of ggc_any.
17229 (struct ggc_status): Delete.
17230 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17231 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17232 (n_strings_collected, n_anys_collected): Delete.
17233 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17234 (ggc_alloc_string, ggc_alloc): Delete.
17235 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17236 (ggc_free_string, ggc_free_any): Delete.
17237 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17238 (ggc_compare_addresses, ggc_mark_string): Delete.
17239 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17240 (search_data): Delete.
17241 (struct globals): New.
17242 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17243 (tree_insert, tree_lookup): New.
17244 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17245 (clear_marks, sweep_objs): New.
17246 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17247 (init_ggc): Set allocated_last_gc.
17248 (ggc_push_context): Gut. Use G.context.
17249 (ggc_pop_context): Likewise.
17250 (ggc_pop_context_1): New.
17251 (debug_ggc_tree): New.
17252 (debug_ggc_balance, tally_leaves): New.
17253 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17254 (ggc_mark_string_if_gcable): Remove decl.
17255 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17256 (ggc_mark_rtvec_children): New.
17257 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17258 (ggc_mark_if_gcable): New decl.
17259 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17260 (ggc_alloc_tree, ggc_alloc): Likewise.
17261 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17262 (ggc_alloc_obj): New decl.
17263 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17264 (ggc_alloc_tree, ggc_alloc): Likewise.
17265 (ggc_set_mark): New decl.
17266 * rtl.h (struct rtx_def): Remove gc_mark.
17267 (struct rtvec_def): Likewise.
17268 * tree.h (struct tree_common): Likewise.
17270 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17272 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17273 float_format and thread_file definitions.
17274 * configure: Rebuilt.
17276 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17278 * extend.texi (Function Names): Document types of function names.
17280 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17282 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17283 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17285 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17287 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17289 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17291 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17293 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17295 * collect2.c (main): Do prelimnary link on AIX if rflag.
17297 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17299 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17300 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17302 (__do_global_dtors): similarly for __DTOR_LIST__.
17304 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17305 Diego Novillo <dnovillo@cygnus.com>
17307 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17310 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17312 * fixincl/*: Merged "no_bogosity" branch
17313 * fixincl/fixlib.h: protect against doubly defining t_bool
17314 * fixincl/server.h: protect against doubly defining t_bool
17316 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17318 * genoutput.c: Include toplev.h.
17320 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17322 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17324 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17325 * configure: Regenerate.
17327 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17329 * gcse.c (delete_null_pointer_checks): Returns void.
17331 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17333 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17334 * emit-rtl.c (copy_insn_1): Likewise.
17336 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17338 * config/mips/mips.c (mips_build_va_list): Correct
17339 TREE_CHAIN setting when hard-float.
17340 (mips_va_start): Use corrected setting.
17341 (mips_va_arg): Likewise. Also pass a tree to build of
17342 POSTINCREMENT_EXPR rather than a naked 'int'.
17344 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17346 * ggc.h (ggc_push_context): Fix comment.
17347 (ggc_pop_context): Likewise.
17348 (mark_string_if_gcable): Likewise.
17349 * ggc-common.c (ggc_mark_rtx_children): Use
17350 ggc_mark_string_if_gcable.
17351 * ggc-page.c (ggc_lookup_page_table): New function.
17352 (ggc_allocated_p): Likewise.
17353 (mark_obj): Fix formatting.
17354 (ggc_mark_string_if_gcable): New function.
17355 * ggc-simple.c (ggc_allocated_strings): New variable.
17356 (ggc_strings_used): Likewise.
17357 (ggc_compare_addresses): New function.
17358 (ggc_pop_context): Pop the `any' memory too.
17359 (ggc_mark_string_if_gcable): New function.
17360 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17362 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17364 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17365 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17366 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17369 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17371 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17372 (sched_reg_live_length, sched_reg_basic_block): Delete.
17373 (current_block_num, bb_live_regs, old_live_regs): Delete.
17374 (dead_notes, struct sometimes): Delete.
17375 (sched_note_set, birthing_insn_p): Delete.
17376 (adjust_priority): Gut useless reg lifetime code.
17377 (create_reg_dead_note, attach_deaths): Delete.
17378 (attach_deaths_insn, new_sometimes_live): Delete.
17379 (finish_sometimes_live): Delete.
17380 (find_pre_sched_live, find_post_sched_live): Delete.
17381 (update_reg_usage): Delete.
17382 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17383 (schedule_insns): Delete reg lifetime code.
17384 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17385 (unlink_other_notes): Adjust REG_NOTE commentary.
17386 (reemit_notes): Use REG_SAVE_NOTE.
17387 (schedule_block): Likewise.
17388 (schedule_region): Allocate bitmap of blocks in region. Use
17389 count_or_remove_death_notes. Use update_life_info.
17391 * rtl.h (REG_SAVE_NOTE): New.
17392 * rtl.c (reg_note_name): Update.
17394 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17396 * combine.c (refresh_blocks, need_refresh): New.
17397 (combine_instructions): Allocate refresh_blocks. Invoke
17398 update_life_info if needed.
17399 (distribute_notes): Mark refresh_blocks instead of installing
17401 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17402 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17404 * Makefile.in (recog.o): Depend on basic-block.h.
17406 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17408 * genrecog.c (add_to_sequence): Thinko last change: delete
17409 shadowing allow_const_int variable.
17411 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17413 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17414 __GNUC__ and __GNUC_MINOR__.
17416 * gansidecl.h: Likewise.
17422 * toplev.h: Likewise.
17424 * tree.c: Likewise.
17426 * tree.h: Likewise.
17428 * varray.c: Likewise.
17430 * varray.h: Likewise.
17432 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17434 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17435 use one before a jump table.
17437 * rtl.def (ADDRESS): Change documentation to match reality.
17438 * md.texi: Don't document it.
17439 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17442 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17444 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17446 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17447 known predicate block; default allow_const_int true.
17448 (debug_decision_list): New.
17450 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17452 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17454 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17456 * gcse.c (gcse_main): Avoid global optimizations if we have a
17457 large number of basic blocks and the ratio of edges to blocks
17459 (delete_null_pointer_checks): Likewise.
17461 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17463 * c-common.c (check_format_info): Warn if format string isn't a
17466 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17468 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17469 * configure: regenerate
17471 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17473 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17474 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17475 (peepholes): Re-enable.
17477 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17479 * Makefile.in (flow.o): Depend on TREE_H.
17480 * basic-block.h (REG_SET_EQUAL_P): New.
17481 (XOR_REG_SET): New.
17482 (n_edges): Declare.
17483 (free_regset_vector): Remove declaration.
17484 (flow_delete_insn_chain): Declare.
17485 (enum update_life_extent): New.
17486 (update_life_info, count_or_remove_death_notes): Declare.
17487 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17488 Verify register live at bb->global_live_at_start before adding USE.
17489 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17490 (CLEAN_ALLOCA): New.
17492 (PROP_*): New flags.
17493 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17494 (clear_edges): Zero n_edges.
17495 (make_edge): Increment n_edges.
17496 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17497 (flow_delete_insn_chain): Export.
17498 (delete_block): Decrement n_edges.
17499 (merge_blocks_nomove): Likewise.
17500 (life_analysis): Give life_analysis_1 PROP flags.
17501 (verify_wide_reg_1, verify_wide_reg): New.
17502 (verify_local_live_at_start): New.
17503 (update_life_info): Rewrite to call into propogate_block.
17505 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17506 always mark stack pointer. Conditionally mark PIC register.
17507 After reload, mark call-saved registers, return regsiters.
17508 (life_analysis_1): Accept PROP flags not remove_dead_code.
17509 Call mark_regs_live_at_end before zeroing regs_ever_live.
17510 Use calculate_global_regs_live. Copy global_live_at_end before
17511 calling final propagate_block. Zero reg_next_use on exit.
17512 (calculate_global_regs_live): New.
17513 (allocate_bb_life_data): Don't allocate bb->local_set.
17514 (init_regset_vector, free_regset_vector): Remove.
17515 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17516 Test flags before every operation. Warn if prologue/epilogue insn
17517 would have been deleted.
17518 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17519 Use alloc_EXPR_LIST.
17520 (mark_used_regs): Accept and use FLAGS, not FINAL.
17521 Remove special handling for RETURN.
17522 (try_pre_increment): Use alloc_EXPR_LIST.
17523 (dump_flow_info): Dump n_edges.
17524 (unlink_insn_chain, split_hard_reg_notes): Remove.
17525 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17526 (find_insn_with_note, new_insn_dead_notes): Remove.
17527 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17528 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17529 (replace_insns): Remove.
17530 (count_or_remove_death_notes): New.
17531 (verify_flow_info): Abort on error after all checks.
17532 (remove_edge): Decrement n_edges.
17533 (remove_fake_edges): Tweak format.
17534 * haifa-sched.c (schedule_insns): Use split_all_insns.
17535 * output.h (update_life_info): Remove declaration.
17536 * recog.c (split_all_insns): From the corpse of split_block_insns,
17537 do the whole function block by block. Use update_life_info.
17538 (recog_last_allowed_insn): New.
17539 (recog_next_insn): Mind it.
17540 (peephole2_optimize): Set it. Walk backwards through blocks.
17541 Use update_life_info.
17542 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17543 (split_all_insns): Declare.
17544 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17545 Use split_all_insns.
17547 * i386.md (or -1 peep2s): Disable.
17549 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17551 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17552 a single pattern. Scrap the 'd' versions as unnecessary.
17554 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17555 tablejump_mips162,tablejump_internal4): The operands to a
17556 label_ref must be VOIDmode.
17558 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17560 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17562 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17564 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17566 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17568 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17569 cache every function if ggc_p.
17571 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17573 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17574 instead of copy_rtx. Accept sequences that contain asm statements.
17575 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17576 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17577 orig_asm_operands_vector, copy_asm_operands_vector,
17578 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17580 * rtl.h (copy_insn, copy_insn_1): Declare.
17582 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17584 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17586 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17587 arguments to `current_file_function_operand'.
17589 * genrecog.c: Include hard-reg-set.h and resource.h in the
17590 generated output file.
17592 * real.c: Include tm_p.h.
17594 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17596 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17599 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17601 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17602 before the fctiwz insn.
17604 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17605 Mark Mitchell <mark@codesourcery.com>
17607 * tree.c (make_lang_type_fn): New funtion pointer.
17608 (make_lang_type): Call it.
17609 * tree.h (make_lang_type): Declare.
17610 (make_lang_type_fn): Likewise.
17611 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17613 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17615 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17616 make sure that HIGH instructions are copied into BASE_REGS.
17618 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17620 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17622 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17624 * c-decl.c (finish_struct): Use simpler method of
17625 removing elements of a singly-linked list.
17627 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17629 * alpha.md (peephole2's): Comment out peephole2's that generate
17632 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17634 * genrecog.c (add_to_sequence): Disable mode check for
17637 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17639 * ggc-simple.c (init_ggc): Set empty_string.
17641 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17643 * configure.in: Detect mmap. Add --with-gc=foo to select
17644 garbage collector; default to page if mmap available.
17645 * Makefile.in (GGC): Substitute.
17647 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17649 * c-decl.c (ggc_p): Enable.
17651 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17653 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17655 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17657 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17658 string for little-endian-data.
17660 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17662 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17663 case somebody tries to compile --enable-checking code with gcc
17666 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17668 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17671 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17673 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17674 * jump.c (jump_optimize_1): Document why.
17676 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17678 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17679 pointers and casts for `int_handler' and `quit_handler'.
17681 * flow.c (verify_flow_info, split_hard_reg_notes,
17682 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17683 remove_edge, remove_fake_successors): Add static prototypes.
17684 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17685 (mark_set_1): Initialize variable `regno'.
17686 (unlink_insn_chain): Likewise for variable `curr'.
17687 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17689 * loop.c (strength_reduce): Initialize variable
17690 `unrolled_insn_copies'.
17691 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17692 prototypes. Change these functions to take const PTR parameters
17693 to avoid prototype conflict when used as the comparson argument
17695 (check_dbra_loop): Initialize variable `comparison_val'.
17697 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17698 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17699 (find_valid_class): Initialize variable `best_class'.
17700 (find_reloads): Call memcpy, not bcopy.
17702 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17703 (hard_reg_use_compare): Don't needlessly cast away const.
17704 (reload_reg_class_lower): Likewise.
17705 (choose_reload_regs): Initialize variable `regno'.
17707 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17709 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17711 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17713 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17714 ({,d}discard): Add forward declarations. Declare parameter as
17716 (main_without_main): Explicitly declare return type to be int.
17717 (memcpy): Properly declare.
17719 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17720 building the trampoline support, declare malloc, free, and
17722 (__clear_cache): Mark arguments as potentially unused.
17724 * frame.c (toplevel): If inhibit_libc is defined, declare
17727 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17729 * flow.c (make_edge): Accept an optional 2D bitmap in which
17730 to cache edge existence. Update all callers.
17731 (make_label_edge, make_eh_edge): Pass through the edge cache.
17732 (make_edges): Provide the cache.
17734 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17736 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17738 (local_mbtowc): Change the type of variable `i' from int to size_t.
17740 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17741 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17743 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17745 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17746 after other includes that define the appropriate types. Include
17747 tm_p.h for getting user prototypes.
17748 * ggc-callbacks.c (toplevel): Ditto.
17749 * ggc-none.c (toplevel): Ditto.
17750 * gcc-page.c (toplevel): Ditto.
17751 * ggc-simple.c (toplevel): Ditto.
17753 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17754 Jonathan Larmour <jlarmour@cygnus.co.uk>
17756 * config/mips/mips.c (mips_move_2words): Split doubles if
17757 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17759 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17761 * genrecog.c (struct decision_test): New.
17762 (struct decision): Remove test-related members, sort the rest by size.
17763 (IS_SPLIT): Simplify.
17764 (new_decision, new_decision_test): New.
17765 (add_to_sequence): Use them. No special handling for args of
17767 (maybe_both_true): Renamed from not_both_true; return sense changed.
17768 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17769 of maybe_both_true and adjusted for decision_test.
17770 (position_merit): Remove.
17771 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17772 (merge_accept_insn): New, broken out of merge_trees.
17773 (merge_trees): Use them. No special case for c_test; no node
17774 splitting; use test type instead of position_merit.
17775 (factor_tests): New.
17776 (simplify_tests): New.
17777 (break_out_subroutines): Don't write code now.
17778 (find_afterward): New.
17779 (write_afterward, write_switch, write_cond): New.
17780 (write_action, is_unconditional): New.
17781 (write_node): New. Use them.
17782 (write_tree_1): Rewrite. Use the new functions above.
17783 (write_tree): Remove afterward processing.
17784 (write_subroutine): Simplify function variant emission.
17785 (write_subroutines): New.
17786 (same_codes, clear_codes): Remove.
17787 (same_modes, clear_modes): Remove.
17788 (write_header): New, broken out of main.
17789 (make_insn_sequence): Use new_decision and new_decision_test.
17790 (process_tree): New, broken out of main.
17791 (main): Adjust for merge_trees interface change.
17792 Don't #define operands in the output file.
17793 (record_insn_name): New, broken out of make_insn_sequence.
17794 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17795 (debug_decision): New.
17797 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17799 * resource.c (find_free_register): Mark class_str argument const.
17800 * resource.h: Update prototype to match.
17802 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17803 * i386.md: Give all anonymous insns names.
17805 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17807 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17810 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17812 * toplev.c (dbr_sched_time): Unconditional.
17813 (peephole2_time): New.
17814 (compile_file): Add pass numbers to all of the dump file suffixes.
17815 Dump peephole2_time. Don't dump times for non-applicable passes.
17816 (rest_of_compilation): Add pass numbers to dump file suffixes.
17817 Conditionalize calls to the scheduler.
17818 * invoke.texi: Update.
17820 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17822 * flow.c (make_edges): Fix insn iteration.
17823 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17824 (find_basic_blocks_1): Fix spelling mistake.
17826 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17828 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17829 always have side-effects. Use memset not bzero.
17830 (make_node): Likewise.
17832 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17834 * stmt.c (expand_anon_union_decl): When any of the elements of the
17835 union is addressable, so is the entire union.
17837 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17839 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17841 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17842 * bitmap.c (bitmap_operation): Return true iff TO changed.
17843 (bitmap_equal_p): New.
17844 (bitmap_bit_p): Tidy arithmetic.
17845 (debug_bitmap_file): Likewise.
17847 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17849 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17850 before cse2 instead of after.
17852 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17854 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17857 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17859 * cppinit.c (is_idchar initializer): Loosen tests to accept
17862 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17864 * mips.md: Define conditional move patterns for floating point
17865 operands and DI mode conditions.
17867 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17869 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17870 always have side-effects.
17872 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17874 * mn10200.c (asm_file_start): Fix typo.
17876 * cppinit.c (is_idchar initializer): Tighten tests for when
17877 to put the table into initialized memory.
17879 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17880 not an array of rtunion.
17881 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17882 * gcc-simple (ggc_free_rtvec): Similarly.
17884 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17887 * mbchar.h: Add missing #endif.
17889 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17890 (FPBIT, DPBIT): Define.
17892 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17894 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17896 * profile.c (instrument_arcs, output_gcov_string,
17897 tablejump_entry_p): Add static prototypes.
17898 (output_gcov_string): Constify a char*.
17900 * regmove.c (replacement_quality, fixup_match_2): Add static
17903 * resource.h (reg_dead_p): Add extern prototype.
17905 * rtl.c (trim_filename): Add static prototype.
17907 * scan-decls.c (skip_to_closing_brace): Likewise.
17909 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17910 (expand_end_case): Initialize variable `range'.
17911 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17913 * varasm.c (asm_emit_uninitialised): Add static prototype.
17914 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17917 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17919 * cpplib.c (if_directive_nameo): Add static prototype.
17921 * cse.c (cse_insn): Remove unused variable `p'.
17923 * except.c (create_rethrow_ref, push_entry,
17924 receive_exception_label, new_eh_region_entry, find_func_region,
17925 clear_function_eh_region, process_nestinfo): Add static prototypes.
17926 (get_reg_for_handler): Hide definition.
17927 (process_nestinfo): Initialize variable `extra_handlers'.
17929 * expr.h (expand_builtin_longjmp): Add extern prototype.
17931 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17933 * function.c (prepare_function_start): Likewise.
17934 (pop_function_context_from): Mark parameter `context' with
17936 (push_temp_slots_for_block, flush_addressof): Hide definition.
17938 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17939 solve_program_flow_graph, calculate_branch_probs,
17940 function_summary, main, fancy_abort): Add prototypes.
17942 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17943 (add_hash): Constify a char*.
17945 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17946 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17947 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17949 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17951 * lists.c (free_list, zap_lists): Likewise.
17953 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17955 * alias.c (nonlocal_reference_p): Add static prototype.
17957 * bitmap.c (bitmap_element_allocate): Prototype args in function
17960 * builtins.c (stabilize_va_list): Add static prototype.
17961 (expand_builtin_va_arg): Constify a char*.
17963 * c-lex.c (getch, put_back, extend_token_buffer_to,
17964 read_line_number, token_getch, token_put_back): Add static
17967 * c-parse.gperf (hash, is_reserved_word): Likewise.
17969 * cccp.c (is_dir_separator): Likewise.
17971 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17973 * graph.h: New file to prototype functions exported by graph.c.
17975 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17977 * graph.c: Include graph.h.
17979 * toplev.c: Likewise. Remove redundant prototypes.
17981 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17983 * invoke.texi: Removed duplicated description for -Q.
17985 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17987 * extend.texi: Grammar fix in __extension__ text.
17989 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17991 * md.texi (define_peephole2): New section.
17993 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17995 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17996 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17999 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18001 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18003 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18005 * i386.md (ffs expander): Emit Pentium friendly code for
18008 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18010 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18012 (build1): Likewise.
18014 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18016 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18018 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18020 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18021 register is in use.
18023 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18025 * md.texi (No Constraints): Delete section.
18026 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18027 * final.c (final_scan_insn): We always have register constraints.
18028 * genattrtab.c: Don't include "insn-config.h".
18029 (write_attr_case): We always have register constraints.
18030 * genconfig.c (register_constraint_flag): Delete.
18031 (walk_insn_part): Don't check whether we have register constraints.
18032 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18033 * genoutput.c (have_constraints): Delete.
18034 (main): Don't set it.
18035 (output_operand_data): We always have constraints.
18036 (scan_operands): Likewise.
18037 (compare_operands): Likewise.
18038 * local-alloc.c (block_alloc): We always have constraints.
18039 (requires_inout): Always compile this function.
18040 * recog.c (extract_insn): We always have constraints.
18041 (constrain_operands, reg_fits_class_p): Always compile these
18043 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18045 (struct insn_operand_data): Likewise.
18046 * regclass.c (regclass): We always have constraints.
18047 (record_reg_classes, copy_cost, record_address_regs,
18048 auto_inc_dec_reg_p): Always compile these functions.
18049 * regmove.c (regmove_optimize): We always have constraints.
18050 * reload.c (find_reloads): Likewise.
18051 * reload1.c (reload): Likewise.
18052 (reload_cse_simplify_operands): Likewise.
18053 * i860.c (output_delay_insn): Likewise.
18055 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18057 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18059 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18061 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18062 for the va_list record.
18064 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18066 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18069 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18071 * alias.c: Include insn-flags.h.
18072 * Makefile.in (alias.o): Update.
18074 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18076 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18077 to LTU and GEU. Handle more cases using sbb.
18079 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18081 * i386.md (truncatexfdf splitters): Do not use subreg.
18082 (fop XFmode patterns): Fix mode in operand testing.
18084 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18086 * jump.c (jump_optimize_1): Amend last change to test only the
18087 form of the operand, not the insn.
18089 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18090 not register_operand to determine when B may need preloading.
18092 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18094 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18095 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18096 (call-value patterns): Move to end of file.
18097 (*): Remove mode from label_ref in (pc) context.
18098 (movstrqi): Use memory not general_operand for BLKmode operands.
18099 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18100 to register_operand operands.
18101 (peep2 patterns): Convert from commented-out peephole patterns.
18103 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18105 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18106 to BUILT_IN_INIT_DWARF_REG_SIZES.
18107 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18108 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18109 expand_builtin_init_dwarf_reg_sizes.
18110 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18111 with __builtin_init_dwarf_reg_size_table.
18112 * dwarf2out.c (struct reg_size_range): Delete.
18113 (expand_builtin_init_dwarf_reg_sizes): New function.
18114 (expand_builtin_dwarf_reg_size): Delete.
18115 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18116 (expand_builtin_dwarf_reg_size): Don't declare.
18117 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18118 (dwarf_reg_size_table): New.
18119 (init_reg_size_table): New function.
18120 (copy_reg): Use dwarf_reg_size_table.
18121 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18124 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18126 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18127 Correctly build argument list to constructor and destructor functions.
18129 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18131 * c-tree.h (warn_float_equal): Declare.
18132 * c-decl.c (warn_float_equal): Define.
18133 (c_decode_option): Recognize -W[no-]float-equal.
18134 * c-typeck.c (build_binary_op): Conditionally warn
18135 about equality tests of floating point types.
18136 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18137 * invoke.texi: Add docs for -Wfloat-equal warning.
18139 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18141 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18142 generating RTL directly.
18143 * mips.h (INIT_TARGET_OPTABS): Likewise.
18144 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18146 * expr.h (init_mov_optab): Delete declaration
18148 * h8300.c (WORD_REG_USED): Update to avoid useless register
18149 saves in interrupt functions and functions which never return.
18151 * cse.c (struct set): Delete inner_dest_loc field.
18152 (cse_insn): Remove assignments to inner_dest_loc field.
18154 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18156 * ggc-page.c: Don't include <unistd.h> etc taken care of
18157 by "system.h". Include <sys/mman.h> afterward.
18159 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18161 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18164 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18166 * xcoffout.c (xcoffout_declare_function): Add documentation.
18167 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18168 TARGET_64BIT. Compare constant to -1, not bit pattern.
18169 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18170 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18173 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18175 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18176 origin_die is NULL.
18177 (gen_inlined_enumeration_type_die): Do not abort if the type has
18178 not been writeen out.
18179 (gen_inlined_structure_type_die): Do not abort if the type has
18180 not been writeen out.
18181 (gen_inlined_union_type_die): Do not abort if the type has
18182 not been writeen out.
18183 (gen_tagged_type_instantiation_die): Do not abort if the type
18184 has not been written out.
18186 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18188 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18190 * reg-stack.c (straighten_stack): Copy hard reg set with
18193 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18195 * builtins.c (stabilize_va_list): Stabilize array type va_list
18196 to a pointer type, not the base record type.
18197 (expand_builtin_va_copy): Dereference the pointers explicitly;
18198 use the correct size for the copy.
18200 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18201 (rs6000_va_arg): Likewise.
18203 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18205 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18207 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18209 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18211 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18213 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18215 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18216 (init_ggc): Use it instead of a constant.
18217 (ggc_collect): Bound allocated_last_gc by it.
18219 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18221 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18224 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18226 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18227 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18228 * configure: Regen.
18229 * config/mips/openbsd.h: New, OpenBSD little endian target.
18230 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18231 * config/mips/xm-openbsd.h: New, OpenBSD host.
18233 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18235 * config/m68k/m68k.c (output_function_prologue,
18236 output_function_epilogue): Use
18237 current_function_uses_pic_offset_table instead of regs_ever_live
18238 to decide whether to save/restore pic register.
18239 (legitimize_pic_address): Don't modify regs_ever_live any more.
18241 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18243 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18244 * stor-layout.c (variable_size): Don't add sizes to the pending
18245 sizes list if x_dont_save_pending_sizes_p is set.
18247 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18249 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18250 for symbolic_operand().
18251 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18253 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18255 * combine.c (gen_rtx_combine): Add missing call to va_end().
18257 * final.c (asm_fprintf): Likewise.
18259 * genattrtab.c (attr_rtx): Likewise.
18261 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18263 * cse.c: Update comments.
18264 (cse_insn): When converting a conditional/computed jump into
18265 an unconditional jump, always make sure a BARRIER immediately
18266 follows the converted jump. Do not delete unreachable code.
18267 (cse_basic_block): Do not delete unreachable code.
18268 * toplev.c (rest_of_compilation): Move call to
18269 delete_trivially_dead_insns after the conditional call to
18272 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18274 * collect2.c (make_temp_file): Don't prototype.
18276 * gcc.c (make_temp_file): Likewise.
18278 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18280 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18282 * varasm.c (asm_emit_uninitialised): New function: Generate
18283 the assembler statements necessary to declare an uninitialised
18285 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18287 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18288 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18290 (assemble_variable): Use asm_emit_uninitialised to emit an
18291 uninitialised variable.
18293 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18295 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18296 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18297 <geoffk@cygnus.com>.
18299 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18301 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18302 * c-common.h (builtin_function): Don't declare.
18304 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18306 (pushdecl): Likewise.
18307 (finish_decl): Likewise.
18308 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18309 int. All callers changed.
18310 Set the builtin's DECL_BUILT_IN_CLASS.
18311 * tree.h (enum built_in_class): New.
18312 (enum built_in_function): Delete NOT_BUILT_IN.
18313 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18315 (DECL_SET_FUNCTION_CODE): Likewise.
18316 (DECL_BUILT_IN_CLASS): New macro.
18317 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18318 (struct tree_decl): Split builtin function code field into a
18320 (builtin_function): Declare.
18322 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18324 * optabs.c (init_traps): Fix typo in last change.
18326 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18328 * toplev.c (rest_of_decl_compilation): Update comment.
18330 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18332 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18333 in .sbss if appropriate.
18334 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18335 (SBSS_SECTION_ASM_OP): New macro.
18336 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18337 (EXTRA_SECTIONS): Add in_sbss.
18338 * config/mips/mips.h: Prototype sbss_section.
18340 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18342 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18345 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18347 * optabs.c (init_traps): Register trap_rtx as a GC root.
18349 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18351 * config/mips/mips.c (function_arg_pass_by_reference): Define
18352 unconditionally, since it's called unconditionally.
18354 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18356 * toplev.c (documented_lang_options): Add -fshort-wchar.
18357 * c-decl.c (c_decode_option): Likewise.
18358 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18360 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18361 * gcc.c (default_compilers): If -fshort-wchar,
18362 override __WCHAR_TYPE__.
18363 * tm.texi (C Dialect Options): Add -fshort-wchar.
18365 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18366 symbol for a variable.
18368 * cpplib.h (CPP_PREPROCESSED): New macro.
18369 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18370 we're seeing this input for a second time.
18372 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18374 * emit-rtl.c (init_emit_once): Initialize modes first.
18376 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18378 * config/i386/i386.c (pic_label_name): Change to char pointer.
18379 (global_offset_table): New variable.
18380 (load_pic_register): Fill global_offset_table if it hasn't
18381 already been done. Allocate pic_label_name dynamically.
18382 * ggc.h (empty_string): New variable.
18383 * ggc-simple.c (empty_string): Likewise.
18384 (init_ggc): Allocate empty_string and add as root.
18385 * stmt.c (digit_strings): New variable.
18386 (init_stmt): Add last_block_end_note as root. Allocate and
18387 initialize digit_strings.
18388 (expand_asm_operands): Use empty_string instead of string
18389 constant. Use digit_strings instead of string constants.
18390 * profile.c (init_arc_profiler): Allocate string with
18391 ggc_alloc_string instead of xmalloc.
18392 (output_func_start_profiler): Likewise.
18393 * c-typeck.c (digest_init): Check if init is error_mark_node.
18395 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18396 Richard Henderson <rth@cygnus.com>
18398 * ggc-page.c: New file.
18399 * Makefile.in (ggc-page.o): New.
18401 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18403 * invoke.texi: Document -fdelete-null-pointer-checks
18404 * toplev.c (flag_delete_null_pointer_checks): New.
18405 (f_options): Add entry for -fdelete-null-pointer-checks.
18406 (rest_of_compilation): Conditionalize null pointer check
18407 elimination on flag_delete_null_pointer_checks.
18408 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18410 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18412 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18413 copyright notice and special exception to GPL.
18415 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18417 * abi64.h (mips_function_value): Add prototype arguments.
18419 * mips-protos.h: New file with mips prototypes.
18421 * mips.c: Include "tm_p.h".
18422 (mktemp, lookup_name): Add prototype arguments.
18423 (extern_list, string_constant, mips_fill_delay_slot,
18424 mips_output_external, mips_output_external_libcall,
18425 mips_output_filename, mips_declare_object, function_prologue,
18426 mips_expand_prologue, function_epilogue, mips16_constant,
18427 build_mips16_function_stub, mips_output_conditional_branch):
18429 (mips_va_start): Remove unused variable `u'.
18430 (mips_va_arg): Cast value to unsigned when comparing against one.
18432 (save_restore_insns, mips_expand_prologue): Add missing arg in
18433 call to `large_int'.
18435 * mips.h: Move prototypes to mips-protos.h.
18436 (data_section, memory_address_p, rdata_section,
18437 readonly_data_section, simple_epilogue_p, text_section): Delete
18438 prototypes delcared elsewhere.
18439 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18441 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18443 * mips.md: Delete extra args in call to `mips_move_2words'.
18445 * xm-iris6.h (alloca): Add prototype argument.
18447 * genpeep.c: Include "tm_p.h" in generated output file.
18449 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18451 * basic-block.h (find_edge_index): Change parameters.
18452 * flow.c (verify_edge_list): Pass basic_block parameters to
18453 find_edge_index instead of integers.
18455 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18457 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18460 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18462 * gcc.1: Fix a formatting error.
18464 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18466 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18467 i786, mn10200, mn10300, pdp11, v850.
18469 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18471 * libgcc2.c (num_digits): Add prototype with
18472 __attribute__((const)).
18473 (__terminate): Add prototype.
18475 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18477 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18479 * alpha/alpha.c (print_operand): Fix type of `code'.
18480 (alpha_output_filename): Constify.
18481 * alpha/alpha.h: Move all function declarations ...
18482 * alpha/alpha-protos.h: ... here. New file.
18483 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18484 (SECTION_FUNCTION_TEMPLATE): Likewise.
18486 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18488 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18489 * expr.c (expand_expr): Likewise.
18490 (do_jump): Likewise.
18491 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18492 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18494 (enum can_compare_purpose): New.
18495 (can_compare_p): Adjust prototype.
18496 (prepare_cmp_insn, prepare_operand): Declare.
18497 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18498 * optabs.c (cmp_available_p): Deleted.
18499 (expand_abs): Pass ccp_jump to can_compare_p.
18500 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18501 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18502 Call can_compare_p rather than cmp_available_p.
18503 (prepare_operand): No longer static.
18504 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18505 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18506 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18507 sequence to use emit_cmp_and_jump_insns.
18508 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18510 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18512 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18513 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18514 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18515 (plus (reg) (const_int 0))
18516 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18518 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18520 * rs6000.c (expand_block_move): DImode loads and stores require
18521 word-aligned displacements. Increment address registers with
18522 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18524 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18526 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18527 is no name for the base type, rather than segfault. If we are
18528 writing out a complex integer type, use DW_ATE_lo_user.
18530 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18531 in one word or less (complex char, complex short, or on 64 bit
18532 systems complex float) to/from a hard register, copy it through
18533 memory instead of dying in gen_{real,imag}part. If we have a
18534 short complex type, prevent inlining since it allocates stack
18537 * tree.c (build_complex_type): If we are writing dwarf2 output,
18538 generate a name for complex integer types.
18540 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18542 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18543 * flow.c (remove_edge): Remove extra whitespace.
18544 (remove_fake_edges): Fix comment.
18545 (add_noreturn_fake_exit_edges): Use the correct name.
18547 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18549 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18550 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18551 (clean): Depend on INTL_CLEAN.
18552 (maintainer-clean): Adjust.
18554 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18556 * configure.in (AC_PREREQ): Bump to 2.13.
18557 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18559 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18561 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18563 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18565 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18566 (HAVE_STRINGIZE): Define.
18568 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18570 * c-parse.in: save and restore warn_pointer_arith on __extension__
18571 along with pedantic.
18572 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18573 Set the type of extension to itype rather than $<itype>1 kludge.
18574 * extend.texi (Alternate Keywords): Adjust documentation.
18575 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18577 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18579 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18580 most assembler templates.
18582 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18583 FP loads and stores.
18584 (following_call): Always return zero for the PA8000.
18585 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18586 FP loads and stores.
18587 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18589 * pa.h (BRANCH_COST): Define.
18591 * pa.md (return, return_internal): Use bve for PA2.0.
18593 * pa.md (fused multiply): Add variants which reduce height for the
18594 fused multiply, but which still generate 2 insns.
18595 (fnegabs): Similarly.
18597 * pa.md (subsi3): Turn into an expander. Create two anonymous
18598 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18599 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18601 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18603 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18605 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18606 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18608 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18611 * flow.c (record_active_eh_regions): Terminate loop after finding
18612 the last insn in the last basic block.
18614 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18616 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18618 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18620 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18622 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18624 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18625 splitting to not use output template.
18627 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18629 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18630 * config/c4x/c4x.c (c4x_va_start): New function.
18632 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18634 * genrecog.c (not_both_true): Handle correctly cases when called for
18635 tests with different positions in the insn.
18637 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18639 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18641 * system.h (HOST_PTR_PRINTF): ... to here.
18643 * mips-tfile.c: Don't include machmode.h.
18645 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18646 (mips-tfile.o): Don't depend on machmode.h.
18648 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18650 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18651 avoid conflicts with typedef struct `region' at the top level scope.
18653 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18655 * basic-block.h (basic_block): Add eh_beg, eh_end.
18656 * flow.c (entry_exit_blocks): Update.
18657 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18658 Call new functions.
18659 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18660 lists.c functions to allocate insn lists.
18661 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18663 (make_eh_edge): ... here. New.
18664 (move_stray_eh_region_notes): New.
18665 (record_active_eh_regions): New.
18666 (delete_unreachable_blocks): Split out block merging ...
18667 (try_merge_blocks): ... here. New.
18668 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18669 Dump debugging data.
18670 (merge_blocks_move_successor_nojumps): Likewise.
18671 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18673 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18675 * extend.texi (Bound member functions): Document unbound pmf
18678 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18680 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18681 has the EXIT_BLOCK as a dest.
18683 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18685 * flow.c (remove_edge): New function to remove an edge from the
18687 (remove_fake_successors): New function to remove fake successor edges.
18688 (remove_fake_edges): New function to remove all fake edges from the
18690 (add_fake_exit_edges): New function to add fake edges from all blocks
18691 with no successors to the exit block.
18692 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18693 prototypes for new functions.
18695 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18697 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18698 Use Pmode to determine whether to output .dword or .word.
18700 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18702 * tree.c (built_in_filename): New variable.
18703 (BUILT_IN_FILENAME): New macro.
18704 (init_tree_codes): Allocate built_in_filename.
18705 (make_node): Use built_in_filename instead of string constant.
18707 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18709 * configure.in: Add fr30 target.
18710 * configure: Regenerate.
18711 * config/fr30: New directory.
18712 * config/fr30/crti.asm: New file.
18713 * config/fr30/fr30.c: New file.
18714 * config/fr30/crtn.asm: New file.
18715 * config/fr30/fr30.h: New file.
18716 * config/fr30/fr30.md: New file.
18717 * config/fr30/lib1funcs.asm: New file.
18718 * config/fr30/t-fr30: New file.
18719 * config/fr30/xm-fr30.h: New file.
18721 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18723 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18724 BARRIER at the end of the successor, not the BARRIER before
18727 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18729 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18731 * stmt.c (any_pending_cleanups): Don't crash when
18732 current_function->stmt is unset.
18734 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18736 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18737 other initializations that may use it for relative offsets.
18739 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18741 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18742 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18743 * config/i386/sol2dbg.h: Removed.
18744 * config/i386/sol2gas.h: New file, to enable gas work-around.
18745 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18746 Don't use sol2dbg.h.
18747 * configure: Rebuilt.
18749 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18751 * invoke.texi (-fthis-is-variable): Remove documentation.
18753 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18755 * basic-block.h (compute_bb_for_insn): Declare.
18756 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18757 to use; set size of basic_block_for_insn directly.
18758 (find_basic_blocks): Update.
18760 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18762 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18764 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18766 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18767 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18769 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18771 * c-decl.c (c_decode_option): Extend comment.
18773 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18775 * toplev.c (progname): Make 'const char *'
18776 (flag_print_mem): Move out of main.
18777 (version_flag): Move out of main.
18778 (filename): Move out of main.
18779 (debug_args): Remove g prefix from options.
18780 (documented_lang_options): Remove cpplib specific options.
18781 (display_help): Add g prefix to debug options.
18782 (check_lang_option): Delete this function.
18783 (decode_d_option): New function: Decode -d... option.
18784 (decode_f_option): New function: Decode -f... option.
18785 (decode_W_option): New function: Decode -W... option.
18786 (decode_g_option): New function: Decode -g... option.
18787 (independent_decode_option): New function: Decode a language
18788 independent command line option.
18789 (main): Invoke lang_decode_option and then
18790 independent_decode_option on each command line option in
18793 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18795 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18796 * fold-const.c (fold_range_test): Do not try to fold the range
18797 test if the rhs or lhs has side effects.
18799 * basic-block.h (compute_flow_dominators): Declare.
18801 * gcse.c (alloc_code_hoist_mem): New function.
18802 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18803 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18804 (hoist_code, one_code_hoisting_pass): Likewise.
18805 (gcse_main): If optimizing for size, then hoist expressions
18806 computed in multiple dominated basic blocks.
18808 * gcse.c (invalid_nonnull_info): New function.
18809 (delete_null_pointer_checks): Likewise.
18810 * rtl.h (delete_null_pointer_checks): Declare.
18811 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18813 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18814 (merge-blocks_move_successor_nojumps): Likewise.
18815 (merge_blocks): Allow merging of some blocks, even if it requires
18816 physical movement of the blocks, but not if it requires new jumps.
18818 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18819 Callers and prototype changed.
18820 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18822 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18824 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18825 -YP when both -p and -pg are present. From i386/sol2.h.
18827 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18829 * Makefile.in (distclean): Delete tm_p.h.
18830 * configure.in: Create a new file, "tm_p.h", from a list in
18831 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18832 "i386/i386-protos.h".
18834 * alias.c: Include "tm_p.h".
18835 * c-typeck.c: Likewise.
18836 * calls.c: Likewise.
18838 * emit-rtl.c: Likewise.
18839 * explow.c: Likewise.
18840 * expmed.c: Likewise.
18841 * expr.c: Likewise.
18842 * final.c: Likewise.
18843 * flow.c: Likewise.
18844 * fold-const.c: Likewise.
18845 * function.c: Likewise.
18846 * gcse.c: Likewise.
18847 * global.c: Likewise.
18848 * haifa-sched.c: Likewise.
18849 * integrate.c: Likewise.
18850 * jump.c: Likewise.
18851 * local-alloc.c: Likewise.
18852 * loop.c: Likewise.
18853 * optabs.c: Likewise.
18854 * recog.c: Likewise.
18855 * reg-stack.c: Likewise.
18856 * regclass.c: Likewise.
18857 * regmove.c: Likewise.
18858 * reload.c: Likewise.
18859 * reload1.c: Likewise.
18860 * reorg.c: Likewise.
18861 * resource.c: Likewise.
18862 * stmt.c: Likewise.
18863 * stor-layout.c: Likewise.
18864 * toplev.c: Likewise.
18865 * tree.c: Likewise.
18866 * unroll.c: Likewise.
18867 * genattrtab.c (main): Make generated file include "tm_p.h".
18868 * genemit.c (main): Likewise.
18869 * genoutput.c (main): Likewise.
18870 * genrecog.c (main): Likewise.
18872 * i386.h: Delete all prototypes.
18873 * i386.c: Include "tm_p.h".
18874 (ix86_attr_length_default): Call constant_call_address_operand
18875 with correct number of arguments.
18876 * i386-protos.h: New file.
18877 * i386.md (unnamed patterns): Call constant_call_address_operand
18878 with correct number of arguments.
18879 (exception_receiver): Call load_pic_register with correct number
18882 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18884 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18886 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18888 * rtl.h (insns_safe_to_move_p): New function.
18889 * loop.c (find_and_verify_loops): Use it.
18890 * rtlanal.c (insns_safe_to_move_p): Define it.
18892 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18894 * c-pragma.c: Include ggc.h.
18895 * Makefile.in (c-pragma.o): Update.
18897 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18899 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18900 (LIB_SPEC): Likewise.
18901 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18902 Reindent -YP/-p/-pg.
18903 Copied from config/sparc/sol2.h.
18905 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18907 * c-pragma.c (mark_align_stack): New.
18908 (init_pragma): New.
18909 * c-pragma.h (init_pragma): Declare it.
18910 * c-lex.c (init_parse): Call it.
18912 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18914 * configure.in: Pick up thread library on Solaris/x86 just
18915 like on Solaris/sparc.
18916 * configure: Rebuilt.
18918 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18920 * rtl.h (global_rtx_index): New enum.
18921 (global_rtl): Change to array of rtx.
18922 (pc_rtx, cc0_rtx): Redefine accordingly.
18923 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18924 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18925 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18926 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18927 (const_int_rtx): Change to array of rtx.
18928 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18930 * emit-rtl.c (global_rtl): Change to array of rtx.
18931 (const_int_rtx): Change to aray of rtx.
18932 (gen_rtx_CONST_INT): Redefine accordingly.
18933 (init_emit_once): Allocate and initialize global_rtl. Likewise
18934 for const_int_rtx. Add both as GC roots.
18935 * genattrtab.c (global_rtl): Update declaration.
18937 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18939 * Makefile (USER_H): Add iso646.h back.
18941 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18943 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18944 zapping the LOG_LINKS of sched_before_next_call.
18946 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18947 * pa.c (insn_refs_are_delayed): Renamed from
18948 insn_sets_and_refs_are_delayed.
18950 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18952 * functiion.h (struct function): Add x_whole_function_mode_p.
18953 (retrofit_block): Declare.
18954 * function.c (retrofit_block): New function.
18955 (identify_blocks): Add assertions. Allow an incomplete set of
18956 block notes if we're still generating code for the function.
18957 * integrate.c: Include loop.h.
18958 (expand_inline_function): Call find_loop_tree_blocks to map block
18959 notes to blocks when in whole-function mode. Use retrofit_block
18960 to insert new BLOCKs for the inlined function, rather than
18962 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18963 * Makefile.in (integrate.o): Depend on loop.h.
18965 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18967 * tree.h (warn_about_unused_variables): Declare.
18968 * stmt.c (warn_about_unused_variables): New function, split out
18970 (expand_end_bindings): Here.
18972 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18974 * stmt.c (preserve_subexpressions_p): Don't crash when
18975 current_function->stmt is unset.
18977 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18979 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18980 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18981 (expand_start_target_temps): Use it.
18982 * except.c (expand_eh_region_start_for_decl): Likewise.
18983 * expr.c (expand_expr): Likewise.
18985 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18987 * fold-const.c (operand_equal_p): Pay attention to side effects.
18989 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18991 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18992 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18994 * tlink.c (scan_linker_output): Look for keywords before accepting
18995 a mangled name in quotes.
18997 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18999 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19000 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19002 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19004 * alpha.md: Revert Thu Nov 26 change that came in through the
19005 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19006 Avoid earlyclobber when possible.
19008 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19010 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19012 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19013 Define HAVE_ON_EXIT.
19015 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19017 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19018 CTYPE_CONV in all ctype macros.
19020 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19023 * cexp.y (initialize_random_junk): Likewise.
19025 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19027 * i370.c (handle_pragma): Likewise.
19029 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19031 * v850.c (override_options): Likewise.
19033 * doprint.c (_doprnt): Likewise.
19035 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19038 * fixinc/server.c (load_data): Likewise.
19040 * fold-const.c (real_hex_to_f): Likewise.
19042 * genattr.c (write_upcase, gen_attr): Likewise.
19044 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19045 write_upcase): Likewise.
19047 * genemit.c (print_code): Likewise.
19049 * genopinit.c (gen_insn): Likewise.
19051 * genpeep.c (print_code): Likewise.
19053 * genrecog.c (print_code): Likewise.
19055 * optabs.c (init_libfuncs): Likewise.
19057 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19059 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19061 (reemit_notes): Likewise.
19063 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19065 * ggc.h (ggc_root): Move to ggc-common.c.
19067 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19068 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19069 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19070 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19071 * ggc-common.c (ggc_root): Move from ggc.h.
19072 (roots): Declare, static.
19073 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19074 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19075 null or check/set mark bit.
19076 (ggc_mark_roots): New.
19077 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19079 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19081 * m32r.c: Include toplev.h.
19082 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19083 (gen_compare): Rename swap_p to must_swap to match uses.
19084 Add default abort case.
19085 (m32r_output_function_epilogue): Remove unused variables.
19086 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19087 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19088 define to empty parameter list. Update all uses.
19089 (predicate decls): Use enum machine_mode not int.
19090 * m32r.md (movsi): Call abort, not fatal_insn.
19091 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19093 1999-09-14 Andrew Haley <aph@cygnus.com>
19095 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19096 use $0 instead of 0.
19098 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19100 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19101 computation out of loop over hard regs.
19103 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19105 * function.c (identify_blocks): Don't shadow a variable in an
19107 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19108 pushdecl, or poplevel to build up the new BLOCK tree.
19109 (expand_inline_function): Likewise.
19110 (integrate_parm_decls): Likewise.
19112 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19114 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19116 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19118 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19119 * invoke.texi: Document this change.
19121 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19123 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19125 (mark_emit_status): Renamed from mark_emit_state.
19126 * except.c (mark_eh_status): Renamed from mark_eh_state.
19127 Check not null before marking.
19128 (free_eh_status): New.
19129 * expr.c (mark_expr_status, free_expr_status): New.
19130 * function.c (free_machine_status): New.
19131 (free_after_parsing): New.
19132 (free_after_compilation): Move bits to free_after_parsing; call
19133 free_eh_status, free_expr_status; zero the marked members of the
19135 (prepare_function_start): No can_garbage_collect.
19136 Call init_eh_for_function.
19137 (expand_dummy_function_end): Free up current_function state.
19138 (mark_function_status): Renamed from mark_function_state.
19139 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19140 * function.h (struct function): No can_garbage_collect.
19141 (free_machine_status, free_after_parsing): Declare.
19142 (free_eh_status, free_expr_status): Declare.
19143 * ggc.h (mark_expr_status): Declare.
19144 * stmt.c (free_stmt_status): Free the struct.
19145 (mark_stmt_status): Renamed from mark_stmt_state.
19146 (init_stmt): Don't call init_eh.
19147 (init_stmt_for_function): Don't call init_eh_for_function.
19148 * toplev.c (compile_file): Call init_eh.
19149 (rest_of_compilation): Free basic block info before ggc_collect.
19150 Call free_after_parsing; conditionally call free_after_compilation.
19151 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19152 Check not null before marking.
19153 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19155 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19157 * c-lex.c (yylex): Initialize warn.
19159 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19161 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19162 register when performing secondary reloads for the SAR register.
19164 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19166 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19167 (NOTE_BLOCK): New macro.
19168 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19169 * function.h (identify_blocks): Change prototype.
19170 * function.c (identify_blocks): Simplify.
19171 (reorder_blocks): Likewise.
19172 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19173 NOTE_INSN_BLOCK_{BEG,END}.
19174 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19175 the list of saved notes if the note isn't a
19176 NOTE_INSN_BLOCK_{BEG,END}.
19177 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19179 (reemit_notes): Adjust recreation of notes to reflect new saved
19181 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19182 printing a block note.
19183 * stmt.c (block_vector): Remove.
19184 (find_loop_tree_blocks): Simplify.
19185 (unroll_block_trees): Likewise.
19186 * tree.h (reorder_block): Change prototype.
19188 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19190 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19191 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19192 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19193 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19194 (atexit, exit): Simplify.
19195 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19196 * config/lots: Remove defns of HAVE_ATEXIT.
19198 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19200 * calls.c (precompute_arguments): Fix typo in comment.
19201 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19204 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19206 * dsp16xx.c (override_options): Fix typos in GC root registration.
19208 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19210 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19211 from config/svr4.h.
19212 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19213 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19214 (CC1_SPEC): Likewise.
19216 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19218 * genattr.c (main): Add extern prototype. Call return, not exit.
19219 * genattrtab.c (main): Likewise.
19220 * gencheck.c (main): Likewise.
19221 * gencodes.c (main): Likewise.
19222 * genconfig.c (main): Likewise.
19223 * genemit.c (main): Likewise.
19224 * genextract.c (main): Likewise.
19225 * genflags.c (main): Likewise.
19226 * gengenrtl.c (main): Likewise.
19227 * genopinit.c (main): Likewise.
19228 * genoutput.c (main): Likewise.
19229 * genpeep.c (main): Likewise.
19230 * genrecog.c (main): Likewise.
19232 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19233 * genattrtab.c (get_insn_name): Likewise.
19234 * gencodes.c (get_insn_name): Likewise.
19235 * genconfig.c (get_insn_name): Likewise.
19236 * genemit.c (get_insn_name): Likewise.
19237 * genextract.c (get_insn_name): Likewise.
19238 * genflags.c (get_insn_name): Likewise.
19239 * genopinit.c (get_insn_name): Likewise.
19240 * genpeep.c (get_insn_name): Likewise.
19242 * gencheck.c (usage): Add static prototype.
19243 * genextract.c (print_path): Constify a char*.
19244 * genopinit.c (optabs): Likewise.
19245 * genoutput.c (operand_data, data, output_predicate_decls,
19246 compare_operands): Likewise.
19247 * genrecog.c (write_tree): Add default case in switch.
19249 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19251 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19253 * print-rtl.c (get_insn_name): Remove prototype.
19255 * toplev.h (progname): Declare const.
19257 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19258 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19259 dump_sched_info, dump_local_alloc, regset_release_memory,
19260 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19261 error_with_file_and_line, error_with_decl, error_for_asm, error,
19262 fatal, warning_with_file_and_line, warning_with_decl, warning,
19263 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19264 Remove redundant prototypes.
19266 (notice, check_lang_option, report_file_and_line, vnotice,
19267 mark_file_stack): Add static prototype.
19268 (set_fatal_function): Add prototype.
19269 (vnotice, report_file_and_line, set_fatal_function,
19270 check_lang_option): Constify a char*.
19271 (main): Prototype. Call return, not exit.
19273 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19275 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19277 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19279 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19281 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19283 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19285 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19286 behave as if it's zero in all cases.
19287 (expand_function_start): Adjust call to assign_parms.
19288 * tree.h (assign_parms): Adjust prototype.
19289 * objc/objc-act.c (hack_method_prototype): Adjust call to
19292 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19294 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19295 arg_pointer_rtx fixed if the argument pointer register is
19297 (NONZERO_BASE_PLUS_P): Likewise.
19299 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19301 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19302 match_insn2 to match_insn.
19303 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19305 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19307 * Makefile.in (USER_H): Remove va-foo.h.
19309 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19310 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19311 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19312 va-spur.h,va-v850.h}: Remove.
19314 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19316 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19317 (in_return_delay): Use it instead of match_insn.
19319 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19321 * config/alpha/va_list.h (va-alpha.h): Do not include.
19322 (__gnuc_va_list): Typedef as in varargs.h.
19324 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19326 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19327 DECL_LIVE_RANGE_RTL.
19329 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19331 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19332 not NOTE_BLOCK_NUMBER.
19333 (expand_eh_region_end): Likewise.
19334 (find_exception_handler_labels): Likewise.
19335 (scan_region): Likewise.
19336 (exception_optimize): Likewise.
19337 (update_rethrow_references): Likewise.
19338 (set_insn_eh_region): Likewise.
19339 * final.c (final_scan_insn): Likewise.
19340 * flow.c (make_edges): Likewise.
19341 * integrate.c (expand_inline_function): Likewise.
19342 * print-rtl.c (print_rtx): Likewise.
19344 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19346 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19347 terms of builtin functions and types.
19349 * mips.c (mips_build_va_list): New.
19350 (mips_va_start, mips_va_arg): New.
19351 * mips.h (BUILD_VA_LIST_TYPE): New.
19352 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19354 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19355 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19356 * sh.h (BUILD_VA_LIST_TYPE): New.
19357 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19359 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19361 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19362 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19363 (struct insn_data): Likewise with n_operands, n_dups,
19364 n_alternatives, output_format.
19365 * regclass.c (scan_one_insn): Cast n_operands to int before
19366 arithmetic inside comparison.
19368 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19370 * toplev.c (compile_function): Unconditionally emit nop.
19372 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19374 * haifa-sched.c (actual_hazard): Move declaration of variable
19375 `this_cost' into the scope where it is used.
19377 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19379 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19380 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19381 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19383 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19385 * jump.c (find_insert_position): Don't declare or define unless
19386 !HAVE_conditional_arithmetic.
19387 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19389 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19391 * recog.c (offsettable_address_p): Prototype function pointer.
19392 (preprocess_constraints): Call memset, not bzero.
19394 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19395 (gcc_obstack_init): Don't declare.
19396 (fix_sizetype): Add static prototype.
19397 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19398 (tree_cons): Call memset, not bzero.
19400 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19401 definition in macro ASM_WEAKEN_LABEL.
19402 (mark_const_hash_entry): Add static prototype.
19404 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19406 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19408 * unroll.c (find_common_reg_term, subtract_reg_term,
19409 loop_find_equiv_value): Add static prototypes.
19410 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19411 (copy_loop_body): Remove unreachable break statement.
19413 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19415 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19417 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19419 Undo some changes from the gcc2 merge:
19420 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19421 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19425 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19426 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19427 initialized float-int union if the value is a NaN.
19429 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19431 * gthr-win32.h: New file.
19433 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19434 shared as a valid attribute.
19435 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19436 * extend.texi: Document `shared' variable attribute.
19438 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19440 * configure.in: Handle --enable-threads on FreeBSD.
19441 * configure: Rebuit.
19443 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19445 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19447 * configure: Rebuilt.
19449 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19450 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19451 Rosimildo DaSilva <rdasilva@connecttel.com>
19453 * configure.in (m68k-*-rtemscoff*): Added.
19454 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19455 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19456 sparc-rtems configuration.
19457 * configure.in (sparc-*-rtemself*): Added.
19458 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19459 * config/i386/rtems.h: Added comment.
19460 * config/sparc/rtemself.h: New file.
19462 * configure.in (m68k-rtemself): Added.
19463 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19464 and DWARF_DEBUGGING_INFO.
19465 * config/m68k/crti.s: New file.
19466 * config/m68k/crtn.s: New file.
19467 * config/m68k/t-crtstuff: New file.
19468 * config/m68k/rtemself.h: New file.
19470 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19471 global ctor/dtor and C++ exception handling.
19472 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19473 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19475 * config/i386/t-rtems-i386: New File.
19477 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19479 * stmt.c (expand_end_case): Return right away if the case stack is
19482 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19484 * Makefile.in (version.c): Remove rule incorrectly brought in from
19487 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19489 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19490 * msdos/top.sed: Take into account a prepended $(SHELL) to
19492 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19494 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19496 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19498 * regmove.c (fixup_match_1): Don't change an unchanging register.
19499 (stable_but_for_p): Renamed to:
19500 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19501 Changed all callers.
19503 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19505 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19506 insn from BL2 is after the insn from BL.
19508 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19510 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19511 (struct insn_data): Merge `template' and `outfun' into `output'.
19512 Add `output_format'.
19513 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19514 (struct data): Remove `outfun'; add `output_format'.
19515 (name_for_index): Remove declaration.
19516 (output_insn_data): Handle output formats.
19517 (process_template): Emit the bare array for @.
19518 (gen_expand, gen_split): Set output_format to NONE.
19519 * output.h (get_insn_template): Declare.
19520 * final.c (get_insn_template): New.
19521 (final_scan_insn): Use it.
19522 * toplev.c (compile_file): Likewise.
19524 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19525 * i860/i860.c (output_delayed_branch): Likewise.
19526 (output_delay_insn): Likewise.
19528 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19530 * rtl.c (obstack_alloc_rtx): Removed.
19532 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19534 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19536 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19538 * i386.c (call_insn_operand): Reject const_int.
19539 (expander_call_insn_operand): Use call_insn_operand.
19541 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19543 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19545 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19547 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19548 Use DImode operation.
19550 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19552 * gcc.c: Include sys/resource.h.
19553 (report_times): New flag.
19554 (execute): If report_times is set, calculate and report the
19555 CPU time consumed by each subprocess.
19557 (rus, prus): New globals.
19558 (option_map): Add --time.
19559 (display_help): Document -time.
19560 (process_command): Set report_times if -time is given.
19561 Turn off -pipe if -time is given.
19563 * invoke.texi: Document new option -time.
19565 * configure.in: Check for getrusage. Check if we have to
19566 prototype getrusage.
19567 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19568 * configure: Regenerate.
19569 * config.in: Regenerate.
19571 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19573 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19576 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19578 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19579 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19580 (nan): Return _thenan_sf or _thenan_df as appropriate.
19581 (L_thenan_sf): Define _thenan_sf.
19582 (L_thenan_df): Define _thenan_df.
19584 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19585 (DPBIT_FUNCS): Add _thenan_df.
19587 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19589 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19592 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19594 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19597 (lang_specific_driver): Don't take a function pointer parameter.
19598 All callers changed.
19600 * gcc.c: Include gcc.h.
19601 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19602 lang_specific_extra_outfiles, fatal): Don't declare.
19603 (multilib_defaults_raw): Constify.
19604 (read_specs): Call memset, rather than bzero.
19605 (main): Call return, not exit.
19606 (lookup_compiler): Call memcpy, not bcopy.
19607 (fatal): Make extern.
19609 * cppspec.c: Include gcc.h.
19610 (lang_specific_driver): Initialize variable `quote'. Constify a
19611 char*. All calls to the function pointer parameter now
19612 explicitly call `fatal'.
19614 * gccspec.c (lang_specific_driver): Include gcc.h.
19616 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19618 * arm.c (note_invalid_constants): Use recog_data.operand_type
19621 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19623 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19626 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19627 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19628 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19629 reload_secondary_in_reload, reload_secondary_out_reload,
19630 reload_secondary_in_icode, reload_secondary_out_icode,
19631 reload_reg_rtx, reload_when_needed): Delete declarations.
19632 (struct reload): New structure.
19633 (rld): Declare new array.
19634 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19635 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19636 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19637 reload_secondary_in_reload, reload_secondary_out_reload,
19638 reload_secondary_in_icode, reload_secondary_out_icode,
19639 reload_reg_rtx, reload_when_needed): Delete definitions.
19641 (whole file): Replace uses of the deleted arrays with uses of rld.
19642 * reload1.c (whole file): Replace uses of the deleted arrays with
19644 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19645 explicit loops, not with bcopy.
19647 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19649 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19650 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19651 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19652 insn_name): Delete and consolidate into new structures.
19653 (insn_operand_predicate_fn): New.
19654 (insn_output_fn): New.
19655 (insn_gen_fn): New.
19656 (struct insn_operand_data): New.
19657 (struct insn_data): New.
19659 (OUT_FCN): Update for insn_data change.
19660 * builtins.c (expand_builtin_strlen): Likewise.
19661 (expand_builtin_memcmp): Likewise.
19662 * combine.c (make_extraction, simplify_comparison): Likewise.
19663 * cse.c (canon_reg, cse_insn): Likewise.
19664 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19665 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19666 (emit_store_flag): Likewise.
19667 * expr.c (convert_move, emit_block_move): Likewise.
19668 (clear_storage, emit_push_insn, expand_increment): Likewise.
19669 (do_store_flag): Likewise.
19670 * expr.h (GEN_FCN): Likewise.
19671 (insn_gen_function): Die.
19672 * final.c (final_scan_insn): Update for insn_data change.
19673 (output_asm_name): Likewise.
19674 * function.c (fixup_var_refs_1): Likewise.
19675 * loop.c (check_dbra_loop): Likewise.
19676 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19677 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19678 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19679 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19680 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19681 * regmove.c (gen_add3_insn): Likewise.
19682 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19683 (find_reloads, find_reloads_address_1): Likewise.
19684 (debug_reload_to_stream): Likewise.
19685 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19686 * stmt.c (expand_end_case): Likewise.
19687 * toplev.c (compile_file): Likewise.
19689 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19690 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19692 * print-rtl.c (insn_name_ptr): Remove declaration.
19693 (get_insn_name): Declare.
19694 (print_rtx): Use it.
19695 * genoutput.c (insn_name_ptr): Remove.
19696 (next_operand_number): New.
19697 (struct operand_data): New.
19698 (null_operand, odata, odata_end): New.
19699 (struct data): Use struct operand_data.
19700 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19701 (get_insn_name): Renamed from name_for_index.
19702 (output_prologue): Define NO_MD_PROTOTYPES.
19703 (output_predicate_decls): Break out from output_epilogue.
19704 Iterate over the operands list.
19705 (output_operand_data): Break out from output_epilogue. Emit
19706 just the operands list.
19707 (output_insn_data): Break out from output_epilogue. Emit just
19709 (output_epilogue): Remove.
19710 (output_get_insn_name): New.
19711 (constraints, op_n_alternatives, predicates, address_p): Die.
19712 (modes, strict_low, seen): Die.
19713 (scan_operands): Take new param `d' instead of writing to
19714 seven global variables.
19715 (compare_operands): New.
19716 (place_operands): New.
19717 (validate_insn_alternatives): Update for struct data change.
19718 (gen_insn): Don't zero or copy 7 global arrays. Update for
19719 scan_operands; call place_operands.
19720 (gen_peephole, gen_expand, gen_split): Likewise.
19721 (main): Update for new output routines.
19723 * genattr.c (insn_name_ptr): Remove.
19724 (get_insn_name): New function.
19725 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19726 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19727 * genrecog.c: Likewise.
19729 * alpha.md (adddi3): Make `pattern' array static.
19731 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19733 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19734 c4x_cpu_version_string): Constify char *.
19735 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19736 c4x_cpu_version_string): Likewise.
19738 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19740 * tree.c (save_tree_status): Revert 10 Sep change.
19741 (restore_tree_status): Likewise. Call obstack_free with NULL
19742 before freeing the obstack proper.
19744 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19746 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19748 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19749 surrounding context.
19751 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19753 * tree.c (type_hash_canon): Put all types in the hash-table, when
19756 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19758 * recog.h (struct recog_data, recog_data): New.
19759 (recog_foo variables): Kill.
19760 * recog.c (recog_operand, recog_operand_loc): Kill.
19761 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19762 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19763 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19764 (recog_data): Define.
19765 (extract_insn): Update all recog_foo references to use recog_data.
19766 (preprocess_constraints, constrain_operands): Likewise.
19767 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19768 * genattrtab.c (main): Likewise.
19769 * genextract.c (main): Likewise.
19770 * genoutput.c: Likewise.
19771 * genrecog.c (write_subroutine, main): Likewise.
19772 * local-alloc.c (block_alloc): Likewise.
19773 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19774 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19775 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19776 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19777 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19778 (reload_cse_simplify_operands): Likewise.
19780 * arc/arc.c (arc_final_prescan_insn): Likewise.
19781 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19782 * h8300/h8300.c (notice_update_cc): Likewise.
19783 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19784 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19785 * mn10200/mn10200.c (notice_update_cc): Likewise.
19786 * mn10300/mn10300.c (notice_update_cc): Likewise.
19787 * romp/romp.c (update_cc): Likewise.
19788 * sparc/sparc.c (check_pic): Likewise.
19789 * v850/v850.c (notice_update_cc): Likewise.
19791 * genemit.c (main): Don't declare recog_operand.
19793 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19795 * ggc.h (rtvec_def): Forward declare.
19796 (tree_node): Likewise.
19797 (ggc_root): Define.
19799 (ggc_set_mark_rtx): Add prototype.
19800 (ggc_set_mark_rtvec): Likewise.
19801 (ggc_set_mark_tree): Likewise.
19802 * ggc-simple.c (ggc_root): Don't define.
19803 (roots): Don't declare.
19804 (ggc_mark_rtx): Remove.
19805 (ggc_mark_rtvec): Likewise.
19806 (ggc_mark_tree): Likewise.
19807 (ggc_mark_varray): Likewise.
19808 (ggc_mark_tree_hash_table_entry): Likewise.
19809 (ggc_mark_tree_hash_table): Likewise.
19810 (ggc_set_mart_rtx): New function.
19811 (ggc_set_mark_rtvec): Likewise.
19812 (ggc_set_mark_tree): Likewise.
19813 (ggc_add_root): Remove.
19814 (ggc_add_rtx_root): Likewise.
19815 (ggc_remove_tree_root): Likewise.
19816 (ggc_add_string_root): Likewise.
19817 (ggc_add_tree_varray_root): Likewise.
19818 (ggc_add_tree_hash_table_root): Likewise.
19819 (ggc_del_root): Likewise.
19820 (ggc_mark_rtx_ptr): Likewise.
19821 (ggc_mark_tree_ptr): Likewise.
19822 (ggc_mark_string_ptr): Likewise.
19823 (ggc_mark_tree_varray_ptr): Likewise.
19824 (ggc_mark_tree_hash_table_ptr): Likewise.
19825 * ggc-common.c: New file.
19826 * Makefile.in (OBJS): Add ggc-common.o.
19827 (ggc-common.o): List dependencies.
19829 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19831 * cppalloc.c (xstrdup): Use memcpy.
19832 * cpperror.c (cpp_print_containing_files): Don't use
19834 * cpplib.c (conditional_skip): Set temp->lineno.
19835 (do_endif): Make error message less obscure.
19836 (if_directive_name): New function.
19837 (cpp_get_token [case EOF]): Unwind the if stack and generate
19838 error messages for each unterminated conditional in this file.
19839 (parse_string): Do not behave differently if -traditional.
19841 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19843 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19844 va_list decomposing to pointer-type.
19845 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19846 (rs6000_va_arg): Likewise.
19848 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19850 * except.c (start_dynamic_handler): Compute size using
19851 STACK_SAVEAREA_MODE.
19853 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19855 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19856 include directory headers. Don't define strrchr. Don't provide
19857 my_* replacement functions. Prefer PTR over `pointer_type'.
19858 Don't prototype system functions. Don't redefine getopt.
19860 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19861 safe_read, safe_write, save_pointers, restore_pointers,
19862 is_id_char, in_system_include_dir, directory_specified_p,
19863 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19864 find_corresponding_lparen, referenced_file_is_newer,
19865 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19866 process_aux_info_file, identify_lineno, check_source,
19867 seek_to_line, forward_to_next_token_char, output_bytes,
19868 output_string, output_up_to, other_variable_style_function,
19869 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19870 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19871 find_static_definition, connect_defs_and_decs, add_local_decl,
19872 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19873 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19874 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19875 scan_for_missed_items, edit_file, string_list_cons): Add static
19877 (standard_exec_prefix, target_machine, target_version,
19878 default_syscalls_dir, string_list, string_list_cons, find_file,
19879 do_cleaning): Constify a char*.
19880 (safe_read, safe_write): Use PTR, not a char*.
19881 (is_id_char): Take an int, not a char.
19882 (main): Add prototype. Call return, not exit.
19884 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19886 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19887 when comparing types.
19889 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19891 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19892 (strength_reduce): Release the varrays from the no-bivs early exit.
19894 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19895 the loop over the registers.
19897 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19899 (restore_tree_status): Check that instead when freeing the obstack.
19901 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19903 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19906 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19908 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19909 operand size modifiers.
19911 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19913 * c-common.c (c_common_nodes_and_builtins): Don't build
19915 * c-common.h (enum c_tree_index and related accesor macros): Remove
19916 everything now declared in tree.h.
19917 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19918 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19919 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19920 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19921 unsigned_type_node, ptr_type_node, va_list_type_node,
19922 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19923 (init_decl_processing): Call build_common_tree_nodes and
19924 build_common_tree_nodes_2 instead of building their nodes here.
19925 Don't add roots for these nodes.
19926 * stor-layout.c (size_zero_node, size_one_node): Delete.
19927 (set_sizetype): Make a new node for bitsizetype each time.
19928 * tree.c (global_trees): New variable.
19929 (init_obstacks): Add a gc root for it.
19930 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19931 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19932 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19933 (build_common_tree_nodes): New function.
19934 (fix_sizetype): New function.
19935 (build_common_tree_nodes_2): New function.
19936 * tree.h (enum tree_index): New.
19937 (global_trees): Declare.
19938 Add accessor macros for all nodes now moved to global_trees.
19939 Delete their declarations.
19941 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19943 * c-decl.c (finish_function): When processing a nested function,
19944 push and pop GC context around rest_of_compilation.
19946 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19948 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19949 Default ix86_arch to PROCESSOR_I386.
19950 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19951 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19952 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19953 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19954 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19955 (EXTRA_SPECS): Remove deleted specs.
19957 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19959 * function.c (assign_stack_local_1): Allocate from
19960 function->x_frame_offset, not frame_offset.
19962 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19964 * ggc.h (lang_cleanup_tree): Remove.
19965 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19966 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19968 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19969 TYPE_LANG_SPECIFIC when garbage collecting.
19970 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19971 (lang_cleanup_tree): Remove.
19973 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19975 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19976 * crtstuff.c: Not here.
19977 * dwarf2out.c: Or here.
19978 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19981 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19983 * function.h (free_after_compilation): Remove decl parameter.
19984 (free_varasm_status0: Likewise.
19985 (free_emit_status): Likewise.
19986 (free_stmt_status): Likewise.
19987 (free_after_compilation): Likewise.
19988 (init_lang_status): New variable.
19989 (free_lang_status): Likewise.
19990 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19991 * function.c (init_lang_status): New variable.
19992 (free_lang_status): Likewise.
19993 (push_function_context_to): Don't set function::decl here.
19994 (free_after_copmilation): Make decl parameter implicit. Call
19995 free_lang_status if defined.
19996 (prepare_function_start): Call init_lang_status if defined.
19997 (init_function_start): Set function::decl here.
19998 * profile.c (output_func_start_profiler): Don't call pushdecl
19999 until we've actually started the function.
20000 * stmt.c (free_stmt_status): Make decl parameter implicit.
20001 * toplev.c (rest_of_compilation): Don't pass decl to
20002 free_after_compilation.
20003 * varasm.c (free_varasm_status): Likewise.
20005 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20007 * except.c (call_get_eh_context): Add root when allocating static
20010 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20012 * arm.c: Include "ggc.h".
20013 (arm_add_gc_roots): New function.
20014 (arm_override_options): Call it.
20015 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20017 * arm.md (define_asm_attributes): Add a pool_range attribute.
20019 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20021 * extend.texi (Volatiles): New node.
20023 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20025 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20026 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20027 (struct ggc_any): Replace `mark' with `magic_mark'.
20028 (ggc_alloc_string): Use memcpy, not bcopy.
20029 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20030 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20031 (ggc_free_any): New.
20032 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20033 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20034 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20035 Use IS_MARKED. Use ggc_free_any.
20037 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20039 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20041 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20043 * toplev.c (main): Always init_ggc.
20045 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20047 * except.c (find_all_handler_type_matches): Free the list if
20048 we found no matches.
20050 * combine.c (SUBST): Break out to a real function do_SUBST.
20051 (SUBST_INT): Likewise.
20052 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20053 (pre_insert): Free `inserted'.
20054 * loop.c (basic_induction_var): Always set `location'.
20056 * function.c (expand_function_end): Add initial_trampoline as a root.
20057 * rtl.h (init_varasm_once): Declare.
20058 * toplev.c (compile_file): Call it.
20059 * ggc-simple.c (ggc_mark_string_ptr): New.
20060 (ggc_add_string_root): New.
20061 (ggc_collect): Disable collection avoidance temporarily.
20062 * ggc.h (ggc_add_string_root): Declare.
20063 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20064 * optabs.c (init_libfuncs): Likewise.
20065 * varasm.c (named_section): Use ggc_alloc_string.
20066 (make_function_rtl): Likewise.
20067 (make_decl_rtl): Likewise.
20068 (assemble_static_space): Likewise.
20069 (assemble_trampoline_template): Likewise.
20070 (output_constant_def): Likewise.
20071 (force_const_mem): Likewise.
20072 (mark_const_hash_entry): New.
20073 (mark_pool_sym_hash_table): New.
20074 (mark_varasm_state): Use it.
20075 (init_varasm_once): New.
20077 * expr.h (init_one_libfunc): Declare.
20078 * optabs.c (init_one_libfunc): New.
20079 (init_optabs): Use it.
20080 * config/gofast.h: Likewise.
20081 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20082 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20084 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20086 * Makefile.in (cppexp.o): Depend on cpphash.h.
20087 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20089 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20090 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20091 redefining poisoned identifiers, etc.
20092 (do_undef): Don't allow poisoned identifiers to be undefined.
20093 (do_pragma): Add #pragma poison.
20094 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20096 * cccp.c: Add T_POISON node type.
20097 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20099 (do_define): Generalise to handle poisoned definitions,
20100 redefining poisoned identifiers, etc.
20101 (do_undef): Don't allow poisoned identifiers to be undefined.
20102 (do_pragma): Add #pragma poison.
20103 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20105 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20106 * c-pragma.h: Add ps_poison state. We now always have generic
20109 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20111 * ggc.h (ggc_alloc): New function.
20112 (ggc_mark): Likewise.
20113 * ggc-simple.c (ggc_any): New structure.
20114 (ggc_status): Add anys.
20115 (n_anys_collected): New variable.
20116 (ggc_alloc): Define.
20117 (ggc_mark): Likewise.
20118 (ggc_collect): Collect the anys.
20120 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20122 * c-decl.c (mark_binding_level): Make static to match prototype.
20124 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20126 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20128 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20130 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20131 will use into account. Expand the max width to 5.
20134 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20136 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20137 for the rtx length.
20139 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20141 * alpha.md (call value patterns): Remove the result predicates.
20143 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20145 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20148 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20150 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20151 changed from extern char *, to extern PTR. Also fix typo in
20152 NEED_DECLARATION_REALLOC test.
20154 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20156 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20158 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20159 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20160 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20161 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20163 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20165 * cccp.c (pcfinclude): Likewise.
20167 * global.c (allocno_compare): Likewise.
20169 * haifa-sched.c (rank_for_schedule): Likewise.
20171 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20173 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20175 * stupid.c (stupid_reg_compare): Likewise.
20177 * tree.c (_obstack_allocated_p): Likewise.
20179 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20181 1999-09-08 Bruce Korb autogen@linuxbox.com
20183 * Makefile.in: Give the hapless gperf user a hint about
20184 why "gperf -F" fails.
20186 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20188 * lists.c: Include ggc.h.
20190 (init_EXPR_INSN_LIST_cache): Install it.
20192 * ggc-simple.c (init_ggc): Absorb the old init.
20193 (ggc_push_context): Use xcalloc.
20194 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20195 (ggc_collect): Add [rvts] tags to the collection stats.
20197 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20199 * cccp.c (main): Fix handling of -include and -imacros options.
20201 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20203 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20205 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20207 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20210 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20212 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20213 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20214 and SET_DEST. Update comment.
20216 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20218 * config/c4x/c4x.c: Include ggc.h.
20219 (c4x_add_gc_roots): New function.
20220 (c4x_override_options): Call c4x_add_gc_roots.
20222 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20224 * defaults.h (TARGET_ESC): Move ...
20225 * system.h: ... here, where Linas had it in the first place. Silly me.
20227 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20229 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20230 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20231 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20232 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20233 * defaults.h (TARGET_ESC): Add default.
20235 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20237 * configure.in: add i370-*-openedition, i370-*-mvs and
20238 i370-*-linux targets
20240 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20242 * dsp16xxx.c: Include ggc.h
20243 (override_options): Mark GC roots.
20244 * mn10200.c: Include ggc.h.
20245 (asm_file_start): Mark GC roots.
20246 * tahoe.c: Include ggc.h.
20247 (extensible_operand): Mark GC roots.
20249 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20251 * README: Add section discussing status of ELF ABI.
20252 * i370.c: Fix misc spelling mistakes.
20253 (i370_label_scan): Updated notes, exception handling.
20254 (i370_function_prolog): Simplify ELF stack handling.
20255 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20256 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20257 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20258 * i370.md: (movdi): Add notes.
20259 (floatsidf2): Use stack not rtca for scratch float area.
20260 (iorsi3): Correct operand constraints.
20261 * x-oe: Restore TAROUTOPTS which are used by pax.
20263 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20265 * rs6000.c: Include ggc.h.
20266 (rs6000_add_gc_roots): New function.
20267 (override_options): Call it.
20269 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20271 * alpha.h (alpha_compare): New.
20272 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20273 * alpha.c: Likewise for the definitions.
20274 (alpha_emit_conditional_branch): Update for alpha_compare.
20275 (alpha_emit_conditional_move): Likewise.
20276 * alpha.md (cmpdf, cmpdi): Likewise.
20277 (setcc patterns): Likewise. Zero alpha_compare after use.
20278 (sne): Optimize (x != 0) into (0U < x).
20280 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20282 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20283 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20284 (INIT_EXPANDERS): Remove.
20285 * alpha.c: Include ggc.h.
20286 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20287 (alpha_init_machine_status, alpha_mark_machine_status): New.
20288 (override_options): Install them.
20289 (struct machine_function): Moved to alpha.h.
20290 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20291 (alpha_init_expanders): Remove.
20292 (alpha_return_addr): Adjust to use current_function->machine.
20293 (alpha_ra_ever_killed): Likewise.
20294 (alpha_expand_epilogue): Likewise.
20295 * alpha.md (eh_epilogue): Likewise.
20297 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20298 Melissa O'Neill <oneill@cs.sfu.ca>
20299 Geoffrey Keating <geoffk@cygnus.com>
20301 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20302 call-used registers (call-saved registers must still be contiguous
20303 and end with r31, of course).
20305 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20307 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20308 (self_promoting_type_p): Delete.
20309 (self_promoting_args_p): Move ...
20310 * c-common.c: ... here.
20311 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20312 (simple_type_promotes_to): New.
20313 * builtins.c (lang_type_promotes_to): New.
20314 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20315 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20316 * c-common.h: ... here.
20317 (self_promoting_args_p, simple_type_promotes_to): Declare.
20318 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20319 (grokdeclarator): Likewise.
20320 * tree.h (lang_type_promotes_to): Declare.
20322 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20324 Add some machine-dependent GC roots.
20325 * sparc.c: Include ggc.h.
20326 (sparc_add_gc_roots): New function.
20327 (mark_ultrasparc_pipeline_state): Likewise.
20328 (override_options): Call sparc_add_gc_roots.
20329 * pa.c: Include ggc.h.
20330 (pa_add_gc_roots): New function.
20331 (mark_deferred_plabels): Likewise.
20332 (override_options): Call pa_add_gc_roots.
20333 * mips.c: Include ggc.h.
20334 (mips_add_gc_roots): New function.
20335 (override_options): Use it.
20337 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20339 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20341 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20342 cpp_parse_expr): Add static prototypes.
20343 (parse_charconst): Don't cast away const-ness.
20344 (token): Constify a char*.
20346 * cppfiles.c (file_name_list, include_hash, find_include_file,
20347 finclude, initialize_input_buffer): Constify a char*.
20348 (file_cleanup, find_position): Add static prototypes.
20350 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20351 collect_expansion): Add static prototypes.
20352 (cpp_install, create_definition, monthnames): Constify a char*.
20354 * cpphash.h (cpp_install): Likewise.
20356 * cppinit.c (known_suffixes, default_include,
20357 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20358 (base_name, dump_special_to_buffer, initialize_dependency_output):
20359 Add static prototypes.
20361 * cpplib.c (my_strerror): Constify a char*.
20362 (null_underflow, null_cleanup, skip_comment, copy_comment,
20363 copy_rest_of_line, handle_directive, pass_thru_directive,
20364 get_directive_token, read_line_number, cpp_print_file_and_line,
20365 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20366 v_cpp_warning_with_line, detect_if_not_defined,
20367 consider_directive_while_skipping): Add static prototypes.
20368 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20369 cpp_pedwarn_with_file_and_line): Constify a char*.
20371 * cpplib.h (cpp_options, include_hash, progname, definition,
20372 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20373 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20374 find_include_file, deps_output, include_hash): Constify a char*.
20376 * cppmain.c (progname): Constify.
20377 (main): Add prototype. Use return, not exit.
20379 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20380 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20381 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20382 check_protection): Add static prototype.
20384 (progname, recognized_macrom, recognized_extern): Constify a char*.
20385 (main): Add prototype.
20387 * gen-protos.c (progname): Constify a char*.
20389 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20391 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20392 (init_emit_once): Add more GC roots.
20393 * except.c (mark_func_eh_entry): New function.
20394 (mark_eh_node): Mark false_label and rethrow_label.
20395 (init_eh): Add more GC roots.
20396 * function.c (free_after_compilation): Take decl as a paramter.
20397 Call free_stmt_status.
20398 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20400 * function.h (free_after_compilation): Change prototype.
20401 (free_varasm_status): Likewise.
20402 (free_emit_status): Likewise.
20403 (free_stmt_status): New function.
20404 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20405 Remove, replacing with ...
20406 (ggc_status): New structure.
20407 (ggc_chain): New variable.
20408 (init_gcc): Define.
20409 (ggc_push_context): New function.
20410 (ggc_pop_context): Likewise.
20411 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20412 (ggc_alloc_rtvec): Likewise.
20413 (ggc_alloc_tree): Likewise.
20414 (ggc_alloc_string): Likewise.
20415 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20416 (ggc_mark_tree): Give language-dependent code a chance to mark
20418 (ggc_mark_tree_varray): Handle empty arrays.
20419 (ggc_collect): Adjust for use of ggc_chain. Clear
20420 bytes_alloced_since_last_gc.
20421 * ggc.h (ggc_pop_context): New function.
20422 (ggc_push_context): Likewise.
20423 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20424 * stmt.c (free_stmt_status): New function.
20425 (init_stmt_for_function): Clear last_expr_value.
20426 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20427 Conditionalize call to ggc_collect.
20428 (main): Call init_ggc.
20429 * tree.c (push_obstacks): Do the push, even when GC'ing.
20430 (push_obstacks_nochange): Likewise.
20431 (pop_obstacks): Liekwise.
20432 * varasm.c (free_varasm_status): Take decl as a parameter.
20434 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20436 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20437 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20438 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20439 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20441 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20443 * pa/x-pa-mpeix: New file for the MPE port.
20445 * pa/quadlib.asm: New file for long double support.
20447 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20448 * configure: Rebuilt.
20450 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20452 * final.c (shorten_branches): Fix last change.
20454 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20456 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20458 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20460 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20463 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20465 * c-aux-info.c (concat): Don't define.
20467 * cccp.c (my_strerror): Likewise. All callers changed to use
20469 (do_include): Call xstrdup, not xmalloc/strcpy.
20470 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20471 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20473 * collect2.c (my_strsignal): Likewise. All callers changed to use
20475 (locatelib): Call xstrdup, not xmalloc/strcpy.
20477 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20479 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20481 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20483 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20485 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20487 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20489 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20491 (find_all_handler_type_matches): Likewise. Don't check return
20493 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20494 xmalloc, not malloc.
20495 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20497 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20498 (init_spec): Call xcalloc, not xmalloc/bzero.
20499 (set_spec): Call xstrdup, not save_string.
20500 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20501 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20502 (process_command): Call xstrdup, not save_string.
20503 (main): Call xcalloc, not xmalloc/bzero.
20505 * gcov.c (xmalloc): Don't define.
20506 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20507 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20508 (output_data): Call xcalloc, not xmalloc/bzero.
20510 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20512 * mips-tdump.c (xmalloc): Don't define.
20513 (print_symbol): Call xmalloc, not malloc.
20514 (read_tfile): Call xcalloc, not calloc.
20516 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20517 Don't define. All callers of xfree/my_strsignal changed to use
20518 free/strsignal instead.
20519 (allocate_cluster): Call xcalloc, not calloc.
20521 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20522 Fix memory leak, free allocated memory.
20524 * prefix.c (translate_name): Call xstrdup, not save_string.
20525 (update_path): Likewise.
20527 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20529 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20530 Don't define. Callers of xfree/savestring2 changed to use
20531 free/concat instead.
20533 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20534 (init_elim_table): Likewise.
20536 * resource.c (init_resource_info): Likewise.
20538 * stupid.c (stupid_life_analysis): Likewise.
20540 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20541 (open_dump_file): Call concat, not xmalloc/strcpy/...
20542 (clean_dump_file): Likewise.
20543 (compile_file): Call xstrdup, not xmalloc/strcpy.
20545 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20547 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20548 * v850.c (v850_va_arg): New.
20550 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20552 * haifa-sched.c: Tidy comments.
20554 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20556 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20557 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20558 $(out_object_file)): Depend on ggc.h.
20559 * c-common.c: Include "ggc.h".
20560 (combine_strings): If doing GC, use ggc_alloc_string.
20561 * c-decl.c: Include "ggc.h".
20562 (ggc_p): Define with value 0.
20563 (mark_binding_level): New function.
20564 (init_decl_processing): Add GC roots.
20565 (mark_c_function_context): New function.
20566 (lang_mark_false_label_stack): New function.
20567 (lang_mark_tree): New function.
20568 (lang_cleanup_tree): New function.
20569 * c-lang.c: Include "ggc.h".
20570 (lang_init): Call c_parse_init.
20571 * c-lex.c: Include "ggc.h".
20572 (check_linenum): If doing GC, don't copy filenames to permanent
20574 * c-parse.in: Include "ggc.h".
20575 (c_parse_init): New function.
20576 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20577 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20579 * except.c (mark_eh_state): Mark more state.
20580 * function.c (mark_function_state): Likewise.
20581 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20582 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20583 * toplev.c (mark_file_stack): New function.
20584 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20585 (main): Add root for input_file_stack.
20587 * i386.c: Include "ggc.h".
20588 (ix86_mark_machine_status): New function.
20589 (override_options): Set mark_machine_status.
20591 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20593 * tree.c (copy_node): Copy node contents also if doing GC.
20595 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20597 * collect2.c (scan_libraries): Fix double-thinko :-).
20599 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20601 * collect2.c (scan_libraries): Fix thinko.
20603 * cse.c (delete_trivially_dead_insns): Do not skip the last
20604 insn if it is a real insn.
20606 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20608 * Makefile.in (ggc-simple.o): Depend on hash.h.
20609 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20610 (ggc_mark_tree_varray): Likewise.
20611 (ggc_mark_tree_hash_table): Likewise.
20612 * ggc-simple.c: Include hash.h.
20613 (ggc_mark_tree_hash_table_ptr): New function.
20614 (ggc_mark_tree_hash_table_entry): Likewise.
20615 (ggc_mark_tree_hash_table): Likewise.
20616 (ggc_add_tree_hash_table_root): Likewise.
20617 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20618 rtx, when defining fields.
20620 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20622 * profile.c (output_func_start_profiler): Remove apparently
20623 nonsensical call to start_sequence.
20625 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20627 * clipper/clipper.c (clipper_va_start): Fix typos.
20629 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20630 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20631 (spur_va_arg): New stub.
20633 * configure.in: Comment out pyramid.
20635 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20637 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20638 don't conflict with the bits that win32, cygwin, and dgux
20641 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20642 Bernd Schmidt <bernds@cygnus.co.uk>
20644 * integrate.c (function_cannot_inline_p): Do not inline
20645 functions with forced labels.
20647 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20648 Bernd Schmidt <bernds@cygnus.co.uk>
20649 Mark Mitchell <mark@codesourcery.com>
20651 * Makefile.in (ggc-simple.o): Depend on varray.h.
20652 (rtl.o): Depend on ggc.h.
20653 (genattrtab.o): Depend on ggc.h.
20654 (print-tree.o): Likewise.
20655 (fold-const.o): Likewise.
20656 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20657 (make_insn_raw): Don't cache insns when GC'ing.
20658 (emit_insn_before): Likewise.
20659 (emit_insn_after): Likewise.
20660 (emit_insn): Likewise.
20661 (start_sequence): Use xmalloc to allocate the sequence_stack.
20662 (end_sequence): Add free to free it.
20663 (gen_sequence): Don't cache insns when GC'ing.
20664 (clear_emit_caches): Don't use sequence_element_free_list.
20665 (init_emit): Use xcalloc, not xmalloc+bzero.
20666 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20667 * function.c (pop_function_context_from): Use free to free the
20668 fixup_var_refs_queue.
20669 (put_reg_into_stack): Allocate it with xmalloc.
20670 * genattrtab.c: Include ggc.h.
20671 (operate_exp): Don't use obstack_free when GC'ing.
20672 (simplify_cond): Likewise.
20673 (simplify_text_exp): Likewise.
20674 (optimize_attrs): Likewise.
20675 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20677 (gencode): Generate a #include for ggc.h.
20678 * ggc-callbacks.c (ggc_p): Define it to zero.
20679 * ggc-none.c (ggc_p): Likewise.
20680 * ggc-simple.c: Include varray.h.
20681 (ggc_mark_tree_varray): New function.
20682 (ggc_add_tree_varray_root): Likewise.
20683 (ggc_mark_tree_varray_ptr): Likewise.
20684 * ggc.h (ggc_p): Declare.
20685 (varray_head_tag): Likewise.
20686 (ggc_add_tree_varray_root): Declare.
20687 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20688 inconsistencies when GC'ing.
20689 * rtl.c: Include ggc.h.
20690 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20691 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20692 (rtx_free): Don't call obstack_free when GC'ing.
20693 * toplev.c (rest_of_compilation): Call ggc_collect after every
20695 * tree.c (push_obstacks): Do nothing, if GC'ing.
20696 (pop_obstacks_nochange): Likewise.
20697 (pop_obstacks): Likewise.
20698 (make_node): Use ggc_alloc_tree when GC'ing.
20699 (copy_node): Likewise.
20700 (get_identifier): Use ggc_alloc_string when GC'ing.
20701 (build_string): Likewise.
20702 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20703 (tree_cons): Likewise.
20704 (build1): Likewise.
20705 (type_hash_canon): Don't call obstack_free when GC'ing.
20707 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20709 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20710 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20712 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20713 Bernd Schmidt <bernds@cygnus.co.uk>
20714 Mark Mitchell <mark@codesourcery.com>
20716 * Makefile.in (stor-layout.o): Depend on ggc.h.
20717 (expr.o): Depend on ggc.h.
20718 (profile.o): Depend on ggc.h.
20719 (stor-layout.o): Depend on ggc.h.
20720 * emit-rtl.c (init_emit_once): Add gc roots.
20721 * expr.c: Include ggc.h.
20722 (emit_block_move): Add gc roots.
20723 (clear_storage): Likewise.
20724 * expr.h (init_stor_layout_once): New function.
20725 * profile.c: Include ggc.h.
20726 (init_arc_profiler): profiler_label is a root.
20727 * scan.c (make_sstring_space): Trust xrealloc to function
20728 correctly with first parameter NULL.
20729 * stor-layout.c: Include ggc.h.
20730 (set_sizetype): Add gc root.
20731 (init_stor_layout_once): New function.
20732 * toplev.c (compile_file): Call it.
20734 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20735 Bernd Schmidt <bernds@cygnus.co.uk>
20736 Mark Mitchell <mark@codesourcery.com>
20738 * Makefile.in (tree.o): Depend on ggc.h.
20739 (varasm.o): Likewise.
20740 (function.o): Likewise.
20741 (stmt.o): Likewise.
20742 (except.o): Likewise.
20743 (optabs.o): Likewise.
20744 (emit-rtl.o): Likewise.
20745 * emit-rtl.c: Include ggc.h.
20746 (sequence_element_free_list): Remove, and all references.
20747 (mark_sequence): New functions.
20748 (mark_emit_state): New function.
20749 * except.c: Include ggc.h.
20750 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20751 (mark_tree_label_node): New functions.
20752 (mark_eh_state): New function.
20753 * function.c: Include ggc.h.
20754 (mark_temp_slot, mark_function_chain): New functions.
20755 (mark_function_state): New function.
20756 (init_function_once): New function.
20757 * function.h (init_function_once): New function.
20758 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20759 * ggc.h (label_node): Declare.
20760 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20761 (lang_mark_false_label_stack): New function.
20762 (mark_temp_slot): Remove declaration.
20763 (mark_function_chain): Likewise.
20764 (mark_eh_state): Adjust prototype.
20765 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20767 * optabs.c: Include ggc.h.
20768 (mark_optab): New function.
20769 (init_optabs): Add gc roots.
20770 * stmt.c: Include ggc.h.
20771 (mark_cond_nesting, mark_loop_nesting): New functions.
20772 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20773 (mark_stmt_state): New function.
20774 * toplev.c (compile_file): Call init_function_once.
20775 * tree.c: Include ggc.h.
20776 (type_hash): Move declaration earlier in file.
20777 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20778 (init_obstacks): Add gc roots.
20779 (mark_type_hash): New function.
20780 * varasm.c: Include ggc.h.
20781 (mark_pool_constant): New function.
20782 (mark_varasm_state): New function.
20784 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20786 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20788 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20790 * c-decl.c (struct language_function): Renamed from struct c_function.
20792 (c_function_chain): Delete.
20793 (push_c_function_context): New arg F. Don't warn about nested
20794 functions here. Fill LANGUAGE elt of F. Delete code to update
20795 c_function_chain. Don't call push_function_context.
20796 (pop_c_function_context): New arg F. Restore from there instead of
20797 from c_function_chain. Don't call pop_function_context. Clear out
20798 LANGUAGE field of F when done.
20799 * c-lang.c: Include "function.h"
20800 (lang_init): Initialize save_lang_status and restore_lang_status.
20801 * c-parse.in (nested_function, nested_function_notype): Warn about
20802 nested functions. Call push_function_context/pop_function_context
20803 instead of the _c_ variants.
20804 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20806 * Makefile.in (c-lang.o): Update dependencies.
20808 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20809 regno_pointer_flag, regno_pointer_align.
20810 (gen_reg_rtx): Use xrealloc to enlarge them.
20811 (free_emit_status): New function.
20812 * function.c (mark_machine_status, mark_lang_status): New variables.
20813 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20814 in some bits from assign_stack_local. All callers changed to use new
20816 (assign_stack_local): Just call assign_stack_local_1.
20817 (free_after_compilation): New function.
20818 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20819 (trampoline_address): Likewise.
20820 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20821 (prepare_function_start): Explicitly clear some more variables.
20822 * function.h (struct function): New elt can_garbage_collect.
20823 (mark_machine_status, mark_lang_status): Declare variables.
20824 (free_after_compilation, free_emit_status, free_varasm_status,
20825 init_varasm_status): Declare functions.
20826 * toplev.c (rest_of_compilation): Call free_after_compilation when
20827 done with the current function.
20828 * varasm.c (free_varasm_status): New function.
20830 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20832 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20833 (EXPAND_BUILTIN_VA_ARG): Define.
20834 * sparc.c (sparc_va_start): New.
20835 (sparc_va_arg): New.
20837 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20839 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20841 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20843 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20845 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20847 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20848 (OBJS): Add $(GGC).
20849 (ggc-callbacks.o): New target.
20850 * ggc-callbacks.c: New file.
20852 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20854 * expr.h: Collapse individual optab and libfunc vars to arrays.
20855 (optab_index, libfunc_index): New enumerations.
20856 (optab_table, libfunc_table): New arrays.
20857 Add accessor macros for both.
20859 * optabs.c (optab_table, libfunc_table): New.
20860 Delete declarations for individual optab and libfunc vars.
20862 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20864 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20866 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20868 * Makefile.in (GGC, GGC_LIB): New.
20869 (HOST_RTL): Include ggc-none.o.
20870 (ggc-simple.o): New target.
20871 (ggc-none.o): Likewise.
20872 * tree.h (tree_common): Add gc_mark.
20873 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20874 (struct rtvec_def): Add gc_mark.
20875 * emit-rtl.c (global_rtl): Update static initializers to contain
20876 enough initializers.
20877 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20878 * toplev.c (gc_time): New variable.
20879 (all_time): New variable.
20880 (compile_file): Print gc time.
20881 (print_time): Calculate percentage of the whole.
20883 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20885 Change obstack memory management and varasm constant pool handling so
20886 that nested functions are treated like any other functions.
20887 * function.c (init_machine_status): New variable.
20888 (push_function_context_to): Set contains_functions for the outer
20889 function. Don't call save_varasm_status.
20890 (pop_function_context_from): Don't call restore_varasm_status. Don't
20891 set current_function_contains_functions.
20892 (prepare_function_start): Call init_varasm_status rather than
20893 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20895 * function.h (struct function) Add field varasm. Delete fields
20896 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20897 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20898 (init_machine_status): Declare.
20899 (save_varasm_status, restore_varasm_status): Delete declarations.
20900 (save_tree_status, restore_tree_status): Delete last argument.
20901 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20902 code. All callers changed.
20903 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20904 save_constants_in_decl_trees, restore_constants, save_constants,
20905 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20907 (inlining): New variable.
20908 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20909 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20911 (save_for_inline_nocopy): Don't save constants.
20912 Don't set inl_emit field in current_function.
20913 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20914 function. Set new variable inlining before
20915 calling copy_rtx_and_substitute.
20916 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20917 constant pool references if inlining is nonzero.
20918 Delete ADDRESS and (most of the) CONST cases.
20919 (output_inline_function): Save and restore current_function/
20920 current_function_decl. Delete restore_constants code. Don't call
20921 init_const_rtx_hash_table.
20922 * output.h (init_const_rtx_hash_table): Don't declare.
20923 * rtl.h (struct function): Declare.
20924 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20925 * toplev.c (rest_of_compilation): Don't treat nested functions or
20926 functions containing them specially. Delete all code to deal with
20927 save_for_inline_copying.
20928 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20929 inline_obstacks): Delete variables.
20930 (save_tree_status): Lose arg CONTEXT. All callers changed.
20931 Simply allocate a new function_maybepermanent_obstack for the new
20932 function, delete all the special cases.
20933 Don't save inline_obstacks.
20934 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20935 Delete special handling for function_maybepermanent_obstack; simply
20937 Don't restore inline_obstacks.
20938 (permanent_allocation): Delete code that frees inline_obstacks.
20939 (print_inline_obstack_statistics): Delete function.
20940 (dump_tree_statistics): Don't call it.
20941 * varasm.c (struct varasm_status): New.
20942 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20943 last_pool, pool_offset, const_double_chain): Delete global
20944 variables, replace with accessor macros.
20945 (immed_double_const): Don't walk const_double_chain outside a
20946 function, but don't treat nested functions specially anymore.
20947 (immed_real_const_1): Likewise.
20948 (clear_const_double_mem): Don't treat nested functions specially.
20949 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20950 (save_varasm_status, restore_varasm_status): Delete functions.
20951 (init_varasm_status): New function.
20952 (force_const_mem): Don't treat nested functions specially.
20953 (find_pool_constant): Accept new arg F, search for constants in
20954 that function's pool rather than the current one. All callers
20956 (get_pool_constant_for_function, get_pool_mode_for_function): New
20959 * i386.c (init_386_machine_status): New function, mostly from
20960 clear_386_stack_locals.
20961 (struct machine_functions): Rename element names to avoid name
20963 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20964 macros, replacing global variables.
20965 (clear_386_stack_locals, save_386_machine_status,
20966 restore_386_machine_status): Delete functions.
20967 (override_options): Initialize init_machine_status.
20968 * i386.h (INIT_EXPANDERS): Delete macro.
20969 (save_386_machine_status, restore_386_machine_status,
20970 clear_386_stack_locals): Delete declarations.
20972 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20974 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20975 (doloop_begin): Simplify pattern and use emit_jump_insn.
20976 (doloop_end): Simplify pattern, switch operand order,
20977 and use emit_jump_insn.
20979 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20981 * function.h (struct function): Add new element LANGUAGE.
20982 (save_lang_status): Declare new variable.
20983 (restore_lang_status): Likewise.
20984 * function.c (save_lang_status): Define.
20985 (restore_lang_status): Likewise.
20986 (push_function_context_to): Call language-specific save function.
20987 (pop_function_context_from): Call language-specific restore function.
20989 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20991 * i386.md (movsf_1): Check REG_P before use of REGNO.
20992 (movdf_1): Likewise.
20993 (movxf_1): Likewise.
20994 (extendsfdf2): Likewise.
20995 (extendsfxf2): Likewise.
20996 (extenddfxf2): Likewise.
20998 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21000 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21001 constants into memory.
21002 (c4x_shiftable_constant): New function.
21003 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21004 (c4x_shiftable_constant): Declare.
21005 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21006 ashlqi3_noclobber): Add new patterns and associated splitters.
21008 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21010 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21011 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21012 * final.c (shorten_branches): Likewise.
21013 * global.c (global_alloc): Likewise.
21014 * haifa-sched.c (build_control_flow): Likewise.
21015 * stmt.c (check_for_full_enumeration_handling): Likewise.
21016 (estimate_case_costs): Likewise.
21018 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21020 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21022 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21024 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21025 (recompute_reg_usage): Likewise.
21026 * rtlanal.c (find_regno_fusage): Likewise.
21028 * rtl.c (rtl_check_failed_code1): New function.
21029 (rtl_check_failed_code2): New.
21030 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21031 (RTL_CHECKC1, RTL_CHECKC2): New.
21032 (XC*): New accessor macros.
21033 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21034 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21035 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21036 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21037 (TRAP_*, RANGE_INFO_*): Likewise.
21039 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21041 * Makefile.in (tlink.o): Don't depend on toplev.h.
21043 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21044 output_file, nm_file_name, ldd_file_name, strip_file_name,
21045 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21046 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21047 fork_execute, maybe_unlink, add_to_list,
21048 extract_init_priority, write_list, dump_list,
21049 dump_prefix_list, write_list_with_asm, write_c_file,
21050 write_c_file_stat, write_c_file_glob, scan_prog_file,
21051 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21052 ignore_library, extract_string, notice, dump_file, target_machine,
21053 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21054 read_file, print_load_command): Constify a char*.
21055 (fdopen, error, fatal, fatal_perror): Don't prototype.
21056 (my_strerror): Remove. All callers use xstrerror instead.
21057 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21058 (main): Add prototype. Constify lots of char* ptrs. Change calls
21059 to xcalloc/strcpy/strcat/... to one call to concat.
21060 (main, scan_prog_file, scan_libraries): Use an intermediate
21061 `const char **' to build an argv array.
21062 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21064 * collect2.h (collect_execute, collect_wait, dump_file,
21065 file_exists): Constify a char*.
21066 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21067 temporary_firstobj, vflag, debug): Add extern declarations.
21068 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21070 * tlink.c: Don't include toplev.h.
21071 (vflag, debug, ldout, c_file_name, temporary_obstack,
21072 permanent_obstack, temporary_firstobj): Don't declare.
21073 (tlink_execute, frob_extension, symbol_hash_lookup,
21074 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21075 recompile_files, read_repo_files, demangle_new_symbols,
21076 scan_linker_output): Constify a char*.
21077 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21078 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21080 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21082 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21083 (relative) rather than jsr (absolute) subroutine call insns.
21084 * config/m68k/m68k-coff.h: Ditto.
21086 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21088 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21089 now rework these too.
21090 (arm_reorg): If an insn can't reach the end of the current pool,
21091 ensure that we emit that pool before the insn.
21093 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21095 * tlink.c (scan_linker_output): Skip the initial underscore in
21096 a mangled name if appropriate.
21098 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21100 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21101 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21102 error_with_ivar, gen_declarator, create_builtin_decl,
21103 my_build_string, generate_descriptor_table, generate_ivars_list,
21104 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21105 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21106 dump_base_name, lang_decode_option, build_encode_expr,
21107 start_class, finish_class, encode_pointer, really_start_method,
21108 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21110 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21111 Add static prototypes.
21112 (build_objc_string_decl, build_selector_reference_decl,
21113 encode_bitfield, build_class_reference_decl): Remove unused
21114 parameter, all callers changed.
21115 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21116 (objc_printable_name): Likewise. Change second parameter to type int.
21117 (init_objc): Use memcpy, not bcopy, to avoid casts.
21119 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21121 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21122 reg notes on a deleted insn.
21123 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21125 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21127 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21129 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21131 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21134 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21136 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21137 * tm.texi (MD_ASM_CLOBBERS): Document it.
21139 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21141 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21142 * except.c (expand_rethrow): Remove unused variable.
21143 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21144 * flow.c (replace_insns): Likewise.
21145 (create_edge_list, verify_edge_list): Likewise.
21146 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21148 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21149 is special code to run.
21150 (main): Don't define operands to emit_operand.
21151 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21153 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21155 * alpha/alpha.h (normal_memory_operand): Declare.
21156 (reg_no_subreg_operand): Declare.
21157 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21159 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21161 * c-parse.in (compstmt_primary_start): New, broken out of first
21162 part of compstmt handling in primary.
21163 (primary): Use it. Add an error clause.
21164 (compstmt_nostart): Renamed from compstmt; remove all
21165 initial invocations of compstmt_start.
21168 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21170 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21173 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21175 * combine.c (simplify_shift_const): Remove extra semicolon.
21176 * dwarf2out.c (remove_AT): Likewise.
21177 * expmed.c (expand_mult): Likewise.
21178 * gcov.c (create_program_flow_graph): Likewise.
21179 * reorg.c (mostly_true_jump): Likewise.
21181 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21183 * fold-const.c (fold_range_test): Do not try to fold the range
21184 test if the rhs or lhs has side effects.
21186 * combine.c (simplify_rtx): Recognize another case of a synthesized
21189 * varasm.c (mark_constant_pool): When marking indirect references,
21190 only look at SYMBOL_REFs.
21192 * except.c (expand_fixup_region_end): Do not peek at
21193 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21195 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21197 * flags.h: New variables align_loops, align_loops_log,
21198 align_jumps, align_jumps_log, align_labels, align_labels_log,
21199 align_functions, align_functions_log.
21200 * toplev.c: Define them.
21201 (f_options): Handle -falign-* when they have no argument.
21202 (main): Add logic to set variables for -falign-functions,
21203 -falign-jumps, -falign-labels, -falign-loops.
21204 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21205 (display_help): Change help to match options.
21206 * final.c (LABEL_ALIGN): Default to align_labels_log.
21207 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21208 (LOOP_ALIGN): Default to align_loops_log.
21209 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21210 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21211 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21212 * varasm.c (assemble_start_function): Handle align_functions.
21214 * config/sparc/sparc.h: Don't declare sparc_align_*.
21215 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21216 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21218 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21220 * config/sparc/sparc.c: Delete sparc_align_loops,
21221 sparc_align_jumps, sparc_align_funcs and the corresponding string
21223 (sparc_override_options): Default align_functions on ultrasparc.
21224 Delete -malign-* handling.
21226 * config/mips/mips.c (override_options): On 64-bit targets,
21227 try to align code to 64-bit boundaries.
21228 (print_operand): New substitution, %~,
21229 which aligns labels to align_labels_log.
21230 * config/mips/mips.md (div_trap_normal): Use %~.
21231 (div_trap_mips16): Likewise.
21233 (absdi2): Likewise.
21234 (ffssi2): Likewise.
21235 (ffsdi2): Likewise.
21236 (ashldi3_internal): Likewise.
21237 (ashrdi3_internal): Likewise.
21238 (lshrdi3_internal): Likewise.
21239 (casesi_internal): Likewise.
21241 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21243 Merge new ia32 backend from the branch!
21245 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21246 See ChangeLog.P2 on new_ia32_branch for details.
21248 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21249 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21250 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21251 * i386/gas.h (ASM_FILE_START): Define.
21252 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21253 for name change of ix86_valid_decl_attribute_p.
21254 (i386_pe_valid_type_attribute_p): Similarly.
21256 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21258 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21259 to step through CC modes.
21261 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21263 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21264 it would end up in the shadow of a live flags regsiter.
21266 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21268 * reload1.c: Fix many indentation problems.
21269 * reload.c: Likewise.
21271 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21273 * alias.c (non_local_reference_p): Constify fmt.
21275 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21277 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21279 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21281 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21282 the internal_arg_pointer.
21284 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21286 Merge peephole2 from new_ia32_branch:
21287 * Makefile.in (STAGESTUFF): Add *.peephole2.
21288 (mostlyclean): Likewise.
21289 (recog.o): Depend on resource.h.
21291 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21292 (final_scan_insn): Likewise for the invocation of peephole.
21293 * genconfig.c (main): Look for peephole and peephole2 patterns.
21294 Emit HAVE_peephole* accordingly.
21295 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21296 * flags.h (flag_peephole2): Declare.
21297 * toplev.c: New pass peephole2. New flag -fpeephole2.
21299 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21300 * gencodes.c (main): Likewise.
21301 * genextract.c (main): Likewise.
21302 * genoutput.c (main): Likewise.
21303 * genemit.c (max_operand_1): Look for the max scratch operand.
21304 (gen_rtx_scratch): New.
21305 (gen_exp): Use it, and pass on new arg subroutine_type.
21306 (gen_expand): Take max scratch into account.
21307 (gen_split): Emit peephole2 functions.
21308 (output_peephole2_scratch): New.
21309 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21310 * genrecog.c (routine_type): Add PEEPHOLE2.
21312 (make_insn_sequence): Match outer parallel for peep2. Discard
21313 top level scratches and dups.
21314 (add_to_sequence): New args insn_type and top. Update all callers.
21315 Handle toplevel peep2 matching insns.
21316 (write_subroutine): Handle peep2.
21317 (write_tree_1): Likewise.
21318 (write_tree): Likewise.
21320 (change_state): New arg afterward. Update all callers.
21321 Handle matching separate insns.
21322 * recog.c (recog_next_insn): New.
21323 (peephole2_optimize): New.
21324 * rtl.def (DEFINE_PEEPHOLE2): New.
21325 * resource.c (find_free_register): New argument last_insn. Use it
21326 to find a register available through the entire span.
21327 * resource.h (find_free_register): Update prototype.
21329 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21331 * i386.c (output_strlen_unroll): Don't write xops[7]
21332 label if it wasn't set.
21334 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21336 * cpplib.c (struct directive): Const-ify name pointer and
21337 function pointer prototype.
21338 (validate_else, do_define, do_line, do_include, do_undef,
21339 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21340 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21341 do_warning): Const-ify second arg.
21342 (directive_table): Mark const. Reorder entries by frequency
21343 of usage, record statistics.
21345 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21347 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21348 bounds- check RTL accesses if --enable-checking.
21349 (RTVEC_ELT): Bounds check if --enable-checking.
21350 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21351 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21352 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21354 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21355 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21357 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21358 (NOTE_SOURCE_FILE): Use X0STR.
21359 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21360 MEM_ALIAS_SET): Use X0INT.
21361 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21362 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21364 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21365 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21366 (rtl_check_failed_bounds, rtl_check_failed_type1,
21367 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21369 (fancy_abort): Fix comment.
21371 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21372 (cse_insn): Decrement LABEL_NUSES for jump target before
21373 deleting jump insn.
21374 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21375 * final.c (alter_subreg): Compute regno before changing x to
21376 REG; set REGNO(x) after changing it.
21377 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21378 notes containing CONST_INTs.
21379 (delete_eh_regions): Use NOTE_EH_HANDLER.
21380 * function.c (put_reg_into_stack): Make reg a MEM before
21382 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21384 (gen_mem_addressof): Make reg a MEM before initializing it.
21385 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21387 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21388 deleting an insn, not after.
21389 (block_alloc): Only look at PATTERN(insn) if we have to, and
21390 only if it's format class 'i'.
21391 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21392 CONST_INT before using its INTVAL.
21393 * print-rtl.c (print_rtx): Use X0STR.
21394 * regmove.c (fixup_match_1): Don't look at PATTERN of
21395 non-class-'i' insn chain elements.
21396 * reload.c (loc_mentioned_in_p): Take address of
21397 in->fld[1].rtx directly.
21398 * reload1.c (reload): Change reg to a MEM before initializing
21400 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21402 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21404 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21406 * config/mips/mips.c (machine_dependent_reorg): Force a
21407 barrier to output the local constant pool if a barrier hasn't
21408 been found at a natural point in the instruction stream.
21410 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21412 * c-parse.in (language_string): Constify.
21414 * dwarf2out.c (language_string): Remove declaration.
21416 * dwarfout.c (language_string): Likewise.
21418 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21420 * tree.h (language_string, init_parse, finish_parse): Declare.
21422 * i386/sun386.h (language_string): Remove declaration.
21424 * mips.h (language_string): Likewise.
21426 * nextstep.h (language_string): Likewise.
21428 * nextstep21.h (language_string): Likewise.
21430 * rs6000.c (language_string): Likewise.
21432 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21434 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21435 (getpwd.o): Remove target.
21437 * getpwd.c: Delete file. Its in libiberty now.
21439 * dbxout.c (getpwd): Don't prototype.
21440 * dwarf2out.c (getpwd): Likewise
21441 * dwarfout.c (getpwd): Likewise
21442 * final.c (getpwd): Likewise.
21443 * protoize.c (getpwd): Likewise.
21445 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21447 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21449 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21451 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21452 mark_set_resources.
21454 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21456 * fixinc/Makefile.in (subdir): New.
21457 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21460 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21462 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21463 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21466 * invoke.texi: Fix typo.
21468 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21469 changed. Handle autoincrement addressing modes.
21471 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21472 just like we would the virtual incoming args register when
21475 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21477 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21478 path, in .file directive.
21480 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21482 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21485 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21487 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21490 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21492 * tree.c (tree_code_name): Constify a char*.
21494 * tree.h (tree_code_name, decl_printable_name): Likewise.
21496 * function.h (struct function): Likewise.
21498 * toplev.c (decl_name, decl_printable_name): Likewise.
21500 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21502 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21503 (init_objc): Remove function pointer cast.
21505 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21507 * pa.md (interspace_jump): New pattern.
21508 (builtin_longjmp): New expander.
21510 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21512 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21513 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21514 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21516 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21518 * jump.c (delete_prior_computation): Also check calls
21519 to constant functions. Don't bother checking for a
21520 REG_UNUSED note before adding it.
21521 (delete_computation): Handle multi-word hard registers
21522 when synthesizing missing REG_DEAD notes for a register
21523 which is both set and used by an insn.
21525 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21527 * loop.c (this_loop_info): New variable.
21528 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21529 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21531 (prescan_loop, strength_reduce): New argument loop_info. All callers
21533 (scan_loop): New variable loop_info, initialise to address of
21535 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21536 Delete variable loop_has_multiple_exit targets and replace with
21537 field in this_loop_info.
21538 (find_and_verify_loops): Rename this_loop to this_loop_num.
21539 (strength_reduce): Delete loop_iteration_info. Replace variable
21540 loop_info with function argument of same name.
21541 (insert_bct): Rework test for loop being completely unrolled.
21543 * loop.h (struct loop_info): New fields num, loops_enclosed,
21544 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21545 has_indirect_jump, and cont. Redefine use of unroll_number.
21546 (loop_unroll_number): Delete.
21548 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21549 field of loop_info.
21550 (loop_iterations): Delete variable vtop and instead use
21551 loop_info->vtop computed in prescan_loop.
21553 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21555 * fix-header.c (main): Do not pass a null pointer to strcmp.
21557 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21559 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21561 * configure: Rebuilt.
21563 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21565 * jump.c (jump_optimize_1): Do not delete assignments to
21566 internal_arg_pointer.
21567 * cse.c (delete_trivially_dead_insns): Always consider a set of
21568 the internal_arg_pointer live.
21570 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21572 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21573 (update_life_info) [REG_WAS_0]: Search the original insns rather
21574 than the new insns for the note. Fix typos finding note_dest.
21575 If no dest found, discard the note rather than abort.
21576 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21577 (replace_insns): Remove the old insn list after update_life_info
21580 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21582 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21583 sched_analyze_insn.
21584 (sched_analyze_1): Let add_dependence care for not adding dups.
21585 (sched_analyze_2): Likewise.
21586 (add_branch_dependences): Likewise.
21588 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21590 * i386/winnt.c (export_list): New type.
21591 (exports_head): Rename to
21592 (export_head): this.
21593 (i386_pe_record_exported_symbol): Add is_data flag.
21594 (i386_pe_asm_file_end): Emit directive for exported variables.
21595 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21597 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21598 (ASM_DECLARE_OBJECT_NAME): Likewise.
21599 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21600 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21602 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21604 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21606 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21609 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21611 * config/openbsd.h: Define SET_ASM_OP.
21612 * tm.texi: cross-reference SET_ASM_OP in the index.
21614 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21616 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21617 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21618 and class_narrowest_mode at compile time. Kill init_rtl.
21619 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21620 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21621 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21623 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21625 * rtl.h: Declare rtx_length and rtx_format as const.
21626 * machmode.def: Define CC(). Use CC() to define CCmode. If
21627 EXTRA_CC_MODES is defined, expand it here.
21628 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21629 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21630 const. Kill all references to EXTRA_CC_MODES.
21632 * toplev.c: Don't prototype or call init_rtl.
21633 * optabs.c: Don't call init_mov_optab.
21634 * genemit.c: Don't generate init_mov_optab. Don't call
21636 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21638 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21639 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21640 genrecog.c: Don't call init_rtl.
21642 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21643 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21644 definition of EXTRA_CC_MODES.
21646 * md.texi: Kill ref to EXTRA_CC_NAMES.
21647 * tm.texi: Document new way to define EXTRA_CC_MODES.
21649 * genrecog.c: Do not look up the name of a define_split.
21650 (Unrelated bugfix.)
21652 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21654 * config/v850/v850.md: Fix typo introduced by previous delta.
21656 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21658 * gcc.c (fatal): Make definition static to match prototype.
21660 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21662 * combine.c (get_last_value): Don't look for earlier sets if the last
21663 known set is somewhere in between the insns being combined.
21665 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21667 * configure.in: Don't use shell ! to negate exit codes
21668 * configure: Regenerate
21670 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21672 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21673 the fact that ALIGN is measured in bits, not bytes.
21675 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21677 * errors.c: New file; defines functions error, warning, and
21678 fatal, variables have_error and progname.
21679 * errors.h: New file; prototypes and decls for stuff in errors.c.
21681 * Makefile: Add rules to build errors.o and
21682 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21683 genopinit, genrecog, genextract, genpeep, genattr, and
21684 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21685 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21686 genpeep.o, genattr.o, and genoutput.o.
21688 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21689 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21690 define or prototype fatal. Set progname at beginning of main.
21691 * genoutput.c: Likewise, and don't define or prototype error
21694 * c-typeck.c (c_expand_start_case): Return immediately if exp
21696 * fold-const.c (operand_equal_p): Return immediately if arg1
21697 or arg0 are ERROR_MARKs.
21698 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21699 fields of type ERROR_MARK when calculating if the record can
21702 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21703 with much help from Jeffrey A Law and Richard Henderson
21705 * i386.md: In the 6 insns which call output_fix_trunc,
21706 earlyclobber operands[0].
21708 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21710 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21711 creating new registers.
21713 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21715 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21716 i386_reg_alloc_order, i386_regparm_string,
21717 i386_align_loops_string, i386_align_jumps_string,
21718 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21719 and i386_branch_cost_string as type "const char *".
21720 * i386.c: Define all above strings as type "const char *".
21722 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21724 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21725 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21727 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21729 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21730 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21732 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21734 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21735 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21736 (dwarf2out_line, dwarf2out_finish): Likewise.
21737 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21739 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21741 * tree.c (lang_unsave_expr_now) : Correct return type.
21742 * tree.h (lang_unsave_expr_now) : Same.
21744 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21746 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21747 instead of duplicating code.
21749 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21751 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21753 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21755 * tree.h: fancy_abort always takes three args.
21756 * resource.c: Move include of system.h before toplev.h.
21758 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21760 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21763 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21765 * system.h: Don't redefine abort or trim_filename.
21766 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21767 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21768 whether or not __FUNCTION__ is available.
21769 * tree.h: Duplicate rtl.h's definition of abort, for files
21770 that don't include rtl.h. Delete all code to perform type
21771 checking with a compiler other than GCC.
21772 * varray.h: Delete all code to perform type checking with a
21773 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21774 its arguments exactly once, using a statement expression.
21775 Adjust the VARRAY_<type> accessor macros to match.
21776 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21777 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21778 caller's location. Define fatal_insn and fatal_insn_not_found
21779 as macros that use _fatal_insn and _fatal_insn_not_found.
21780 (fancy_abort, trim_filename): Kill prototypes.
21782 * rtl.c (trim_filename): Move here from toplev.c.
21783 (fancy_abort): New function.
21784 (DIR_SEPARATOR): Provide default definition.
21785 * tree.c (tree_check_failed, tree_class_check_failed): Go
21786 through fancy_abort.
21787 (tree_check, tree_class_check, cst_or_constructor_check,
21788 expr_check): Delete.
21789 * varray.c (varray_check_failed): New function.
21790 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21791 _fatal_insn and _fatal_insn_not_found. Go through
21793 (trim_filename, fancy_abort): Delete.
21795 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21796 * except.c (start_catch_handler): Report ICE with error/abort
21798 * final.c (output_operand_lossage): Likewise.
21799 * flow.c (verify_flow_info): Likewise.
21801 * gcc.c: Prototype fatal.
21802 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21803 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21804 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21805 Don't define fancy_abort.
21807 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21809 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21812 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21814 * m88k.h (VERSION_INFO2): Kill.
21815 (VERSION_STRING): Kill.
21817 (VERSION_INFO1): Tidy.
21818 (TARGET_VERSION): Update.
21819 * m88k/dgux.h (VERSION_INFO2): Kill.
21820 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21821 * m88k/luna.h (VERSION_INFO1): Tidy.
21822 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21823 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21824 (output_file_start): Adjust for death of VERSION_STRING.
21826 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21828 * cpplib.c (detect_if_not_defined): New function.
21829 (do_if): Use it to detect potential once-only headers.
21831 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21833 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21835 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21837 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21838 anywere in the function only if they are pseudos and set before
21839 being used (not live at the start of the function).
21840 (num_sign_bit_copies) : Same.
21841 (get_last_value_validate) : Same.
21842 (get_last_value) : Same.
21844 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21846 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21847 where N and M are constant and N is an integer multiple of M.
21849 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21851 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21852 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21853 sbitmap_union_of_preds): Add prototypes.
21854 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21855 the intersection of successors with the new flow graph structures.
21856 (sbitmap_intersection_of_preds): New function to compute the
21857 intersection of predecessors with the new flow graph structures.
21858 (sbitmap_union_of_succs): New function to compute the union of
21859 successors with the new flow graph structures.
21860 (sbitmap_union_of_preds): New function to compute the union of
21861 predecessors with the new flow graph structures.
21862 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21863 (expr_reaches_here_p): Use edge and basic_block structures instead
21864 of s_preds and s_succs.
21865 (compute_cprop_avinout): Use new sbitmap routines.
21866 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21867 of s_preds and s_succs.
21868 * flow.c (compute_flow_dominators): Compute dominators using
21869 edges and basic blocks instead of s_preds and s_succs.
21871 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21873 * lists.c (unused_insn_list, unused_expr_list): New file for
21874 maintaining various types of lists. New statics for maintaining a
21875 cache of available INSN_LIST and EXPR_LIST nodes.
21876 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21877 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21878 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21879 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21880 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21881 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21882 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21883 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21884 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21885 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21886 (remove_dependence, free_pending_lists): Use new global routines.
21887 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21888 (sched_analyze, compute_block_backward_dependences): Use new routines.
21889 (sched_analyze_1, sched_analyze_2): Use new routines.
21890 (schedule_insns): Use new global routines.
21891 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21893 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21894 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21896 * toplev.c (rest_of_compilation): Initialize node cache.
21897 * Makefile.in (OBJS): Add lists.o to list of object files.
21898 (lists.o): Add dependancies.
21900 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21902 * config/v850/v850.md: Fix compile time warning messages.
21903 * config/v850/v850.c: Fix compile time warning messages.
21904 * config/v850/v850.h: Fix compile time warning messages.
21906 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21908 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21909 Remove unused prototype for `init_lengths'.
21911 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21913 * calls.c (emit_call_1): Mark parameter `stack_size' with
21915 (expand_call): Initialize variable `insn'.
21916 (emit_library_call): Likewise for variable `high_to_save'.
21917 (emit_library_call_value): Likewise.
21918 (store_one_arg): Likewise for variables `lower_bound' and
21921 * combine.c (try_combine): Likewise for variables `i2_code_number'
21922 and `other_code_number'.
21923 (find_split_point): Likewise for variables `pos', `unsignedp' and
21925 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21926 (simplify_and_const_int): Remove unused variable `width'.
21927 (merge_outer_ops): Likewise.
21929 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21930 HOST_WIDE_INT' when comparing against one.
21931 (simplify_relational_operation): Likewise.
21932 (cse_insn): Initialize variables `src_eqv_volatile',
21933 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21935 * final.c (init_final): Constify parameter `filename'.
21936 (final_start_function): Mark parameter `optimize' with
21938 (profile_function): Likewise for parameters `first' and `optimize'.
21939 (output_source_line): Likewise for parameter `file'.
21941 * integrate.c (subst_constants): Cast a value to `size_t' when
21942 comparing against one.
21943 (mark_stores): Initialize variable `mode'. Cast a value to
21944 `size_t' when comparing against one.
21946 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21948 * loop.c (move_movables): Initialize variable `first'.
21949 (strength_reduce): Likewise for variable `increment'.
21950 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21951 value to `size_t' when comparing against one.
21952 (load_mems): Initialize variable `end_label'.
21954 * output.h (init_final): Constify parameter.
21956 * reload.c (decompose): Initialize variable `base'.
21958 * reload1.c (reload): Likewise for variable `is_scalar'.
21959 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21960 (choose_reload_regs): Initialize variable `mode'.
21961 (emit_reload_insns): Likewise for variable `store_insn'.
21962 (reload_cse_noop_set_p): Mark parameter `insn' with
21964 (reload_combine): Initialize variable `set'.
21966 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21967 (copy_loop_body): Cast a value to `size_t' when comparing against
21970 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21971 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21972 (remove_from_pending_weak_list): Mark parameter `name' with
21975 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21977 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21980 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21982 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21983 (ASM_DECLARE_FUNCTION_NAME): Define.
21984 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21985 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21986 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21987 not already defined.
21989 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21991 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21992 of n_popped when call/call_value are not defined.
21994 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21996 * tm.texi: GNU CC -> GCC conversion.
21997 (CC1_SPEC): Indicate it is used for all language front ends.
21999 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22001 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22002 NOTE_INSN_EH_REGION_END correctly.
22004 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22005 Jeff Law <law@cygnus.com>
22007 * loop.c (strength_reduce): Automatically unroll loops if the
22008 unrolled loop size is smaller than the rolled loop size.
22010 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22011 and delete comment that code should be rewritten.
22013 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22015 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22018 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22020 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22022 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22023 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22024 (LINK_SPEC): Add -u _main when building executables.
22025 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22026 (ASM_FILE_END): Use the default for ix86-pe.
22027 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22029 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22031 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22032 and ASM_CLOSE_PAREN are empty strings.
22034 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22035 Geoffrey Keating <geoffk@cygnus.com>
22037 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22038 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22039 (unprotoize.o): Ditto.
22040 (test-protoize-simple): Don't define STD_PROTO_DIR.
22041 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22042 changes to make 'test-protoize-simple' pass.
22043 (STD_PROTO_DIR): Remove define.
22044 (STANDARD_EXEC_PREFIX): Supply default define.
22045 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22046 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22047 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22048 (GET_ENV_PATH_LIST): New macro.
22049 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22050 (do_processing): Initialize default_syscalls_dir using new
22051 macros. Use it to initialize syscalls_absolute_filename.
22053 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22055 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22056 B into a register before emit_conditional_move.
22058 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22060 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22061 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22062 multiplicand out of (+ (* a b) (* c d)).
22064 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22065 Richard Henderson <rth@cygnus.com>
22067 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22068 (new_insn_dead_notes): Likewise.
22069 (update_n_sets): Likewise.
22070 (update_flow_info): Move to flow.c, renamed to update_life_info;
22071 extend to handle multiple source insns.
22072 * flow.c: Include resource.h
22073 (unlink_insn_chain): New.
22074 (split_hard_reg_notes): New.
22075 (maybe_add_dead_note): New.
22076 (maybe_add_dead_note_use): New.
22077 (find_insn_with_note): New.
22078 (new_insn_dead_notes): New.
22079 (update_n_sets): New.
22080 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22081 (maybe_remove_dead_notes): New.
22082 (update_life_info): New.
22083 (prepend_reg_notes): New.
22084 (replace_insns): New.
22085 * output.h (update_life_info): Declare.
22086 * recog.c (split_block_insns): Use update_life_info.
22087 * resource.c (find_free_register): Use reg_alloc_order, don't use
22088 fixed regs, make sure the mode is supported, don't use new regs.
22090 * rtl.h (replace_insns): Declare.
22092 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22094 * expr.c (expand_expr): Cope with COND_EXPRs with one
22095 non-returning branch.
22097 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22099 * expr.c (store_expr): Always pass down the target, even when not
22102 1999-08-24 Nick Clifton <nickc@cygnus.com>
22104 * configure.in: Define target_cpu_default for v850 targets.
22105 * configure: Regenerate
22107 * config/v850/v850.h (TARGET_CPU_generic): Define.
22108 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22109 addresses are 4 byte aligned.
22111 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22114 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22116 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22117 (main): Add prototypes.
22119 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22120 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22121 (write_attr_get): Emit prototypes along with function definition.
22122 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22123 (write_complex_function): Emit static prototype along with
22124 function definition.
22126 * genemit.c (gen_split): Emit prototypes along with function
22129 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22130 Likewise for predicates and `insn_operand_predicate'.
22131 (process_template): Emit static prototype along with function
22134 * genrecog.c (make_insn_sequence): Constify a char*. Add
22135 prototypes for get_split_*().
22136 (write_subroutine): Emit prototypes along with function
22139 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22141 * gcse.c (find_avail_set): Follow chains of register-register copies.
22142 Use oprs_not_set_p to guarantee that the returned value can be
22144 (cprop_insn): Don't verify the return value of find_avail_set with
22147 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22148 (cprop_cc0_jump): New function.
22149 (cprop_insn): Break out new function cprop_jump and use it.
22150 Also use cprop_cc0_jump for machines with CC0.
22151 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22153 * tree.h (current_function_calls_setjmp,
22154 current_function_calls_longjmp): Delete declarations.
22155 * dsp16xx.c: Include "function.h".
22156 * elxsi.c: Likewise.
22157 * gmicro.c: Likewise.
22158 * h8300.c: Likewise.
22159 * i370.c: Likewise.
22160 * m32r.c: Likewise.
22161 * mn10200.c: Likewise.
22162 * mn10300.c: Likewise.
22163 * ns32k.c: Likewise.
22164 * spur.c: Likewise.
22165 * v850.c: Likewise.
22167 * rtl.h (rtx_equal_function_value_matters): Declare.
22168 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22170 * function.c: Likewise.
22171 * emit-rtl.c: Likewise.
22173 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22175 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22178 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22180 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22183 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22185 * cpp.texi: Add a node documenting macro varargs (copied
22188 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22190 * cppspec.c: Put a null pointer at the end of the new argv.
22192 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22194 * configure.in: Remove code to select/de-select the haifa
22195 scheduler. Every scheduled port gets haifa now.
22196 * configure: Rebuilt.
22197 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22199 * Makefile.in: Corresponding changes.
22201 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22203 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22204 All callers changed.
22205 (prepare_float_lib_cmp): Likewise.
22206 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22207 * expr.h (emit_float_lib_cmp): Delete declaration.
22208 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22209 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22210 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22212 (cmptf): Now conditional on TARGET_HARD_QUAD.
22214 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22216 * resource.c (mark_target_live_regs): Use
22217 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22219 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22221 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22223 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22225 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22227 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22229 * rtl.h (rtx_format): Constify a char*.
22231 * rtl.c (rtx_format): Likewise.
22232 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22233 (init_rtl): Use accessor macro, not `rtx_format'.
22235 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22238 * caller-save.c (mark_referenced_regs): Likewise.
22240 * combine.c (subst, make_compound_operation, known_cond,
22241 gen_rtx_combine, update_table_tick, get_last_value_validate,
22242 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22244 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22245 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22246 count_reg_usage): Likewise.
22248 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22251 * final.c (leaf_renumber_regs_insn): Likewise.
22253 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22254 dump_edge_info, count_reg_references): Likewise.
22256 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22257 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22260 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22261 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22262 add_label_notes): Likewise.
22264 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22265 clear_struct_flag, count_sub_rtxs, count_alternatives,
22266 compares_alternatives_p, contained_in_p, walk_attr_value,
22267 write_expr_attr_cache): Likewise.
22269 * genconfig.c (walk_insn_part): Likewise.
22271 * genemit.c (max_operand_1, gen_exp): Likewise.
22273 * genextract.c (walk_rtx): Likewise.
22275 * genflags.c (num_operands): Likewise.
22277 * genoutput.c (scan_operands): Likewise.
22279 * genpeep.c (match_rtx): Likewise.
22281 * genrecog.c (add_to_sequence): Likewise.
22283 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22286 * integrate.c (save_constants, copy_for_inline,
22287 copy_rtx_and_substitute, subst_constants, restore_constants):
22290 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22291 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22293 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22296 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22297 add_label_notes, replace_call_address, count_nonfixed_reads,
22298 invariant_p, find_single_use_in_loop, find_mem_givs,
22299 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22302 * print-rtl.c (reg_names, print_rtx): Likewise.
22304 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22306 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22307 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22308 print_blocks): Likewise.
22310 * regclass.c (fix_register, record_address_regs,
22311 reg_scan_mark_refs): Likewise.
22313 * regmove.c (stable_but_for_p): Likewise.
22315 * reload.c (loc_mentioned_in_p, operands_match_p,
22316 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22317 copy_replacements, refers_to_regno_for_reload_p,
22318 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22319 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22322 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22323 delete_address_reloads_1, count_occurrences,
22324 reload_cse_mem_conflict_p, reload_combine_note_use,
22325 add_auto_inc_notes): Likewise.
22327 * resource.c (mark_referenced_resources, mark_set_resources):
22330 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22331 reg_mentioned_p, regs_set_between_p, modified_between_p,
22332 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22333 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22334 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22335 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22337 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22339 * stupid.c (stupid_mark_refs): Likewise.
22341 * unroll.c (remap_split_bivs): Likewise.
22343 * varasm.c (mark_constants): Likewise.
22345 * a29k/a29k.c (uses_local_reg_p): Likewise.
22347 * alpha/alpha.c (summarize_insn): Likewise.
22349 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22350 eliminate_lr2ip): Likewise.
22352 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22354 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22355 reg_mentioned_in_mem): Likewise.
22357 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22358 symbolic_reference_mentioned_p): Likewise.
22360 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22362 * sh/sh.c (regs_used, mark_use): Likewise.
22364 * vax/vax.c (vax_rtx_cost): Likewise.
22366 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22368 * machmode.h (mode_name): Constify a char*.
22370 * rtl.c (mode_name): Likewise.
22372 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22374 * optabs.c (init_libfuncs): Constify a char*.
22376 * print-tree.c (mode_name): Remove redundant declaration.
22377 (print_node): Use accessor macro, not `mode_name'.
22379 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22381 (new_spill_reg): Constify a char*.
22383 * tree.c (mode_name): Remove redundant declaration.
22385 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22387 * rtl.c (rtx_name): Constify a char*.
22389 * rtl.h (rtx_name, fix_sched_param): Likewise.
22391 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22392 (mypr): Use accessor macro, not `rtx_name'.
22394 * genemit.c (print_code): Constify a char*.
22396 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22398 * genpeep.c (print_code): Constify a char*.
22400 * genrecog.c (print_code): Likewise.
22402 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22403 end_bb): Add static prototype.
22404 (draw_edge): Constify a char*.
22405 (end_bb): Remove unused parameter.
22407 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22408 print_block_visualization): Constify a char*.
22410 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22412 * c-common.c (c_get_alias_set): Update comment.
22414 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22416 * linux.h (LIB_SPEC): Added.
22418 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22420 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22422 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22424 * tree.c (expr_check): Fix typo in last change.
22426 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22428 * rtl.def (NOTE): Change format to "iuu0n".
22429 (ADDR_DIFF_VEC): Change format to "eEee0".
22430 (ADDRESSOF): Change format to "eit".
22432 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22433 (RTVEC_ELT): Change to match.
22434 (XVECEXP): Use XVEC and RTVEC_ELT.
22435 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22436 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22437 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22438 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22439 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22440 (INTVAL): Use XWINT.
22441 (ADDRESSOF_DECL): Use XTREE.
22442 (SET_ADDRESSOF_DECL): Delete.
22443 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22444 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22445 ifdefed out since 2.6 at least.
22446 (gen_rtvec_vv): Delete prototype.
22448 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22450 (copy_most_rtx): Handle 't' format letter.
22451 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22452 (gen_rtvec_vv): Delete function. All callers changed to use
22453 gen_rtvec_v instead.
22454 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22455 the '0' format letter.
22457 * function.c (gen_mem_addressof): Don't use
22458 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22460 * integrate.c (copy_rtx_and_substitute): Likewise.
22461 Copy 't' slots with XTREE.
22462 (subst_constants): Treat 't' slots like '[swi]' slots.
22463 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22464 * jump.c (rtx_equal_for_thread_p): Likewise.
22465 * rtlanal.c (rtx_equal_p): Likewise.
22466 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22467 only four arguments.
22468 * gengenrtl.c (type_from_format): Provide correct types for
22472 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22473 If a recent gcc is in use (always in stage2 and beyond), use
22474 statement expressions, so we don't make a function call unless
22475 the check fails. Evaluate arguments exactly once.
22476 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22477 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22479 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22480 they evaluate their arguments exactly once, irrespective of
22481 the compiler in use.
22483 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22484 is used by the currently-enabled check macros. This is:
22485 (tree_check_failed, tree_class_check_failed): For gcc.
22486 (tree_check, tree_class_check, cst_or_constructor_check,
22487 expr_check): For other compilers.
22489 * gencheck.c: Do not define any *_CHECK1 macros.
22491 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22492 Mark Mitchell <mark@codesourcery.com>
22494 * c-common.c (c_get_alias_set): Fix support for poitners and
22497 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22499 * alias.c: Include tree.h.
22500 (nonlocal_reference_p, mark_constant_function): New functions.
22501 * flow.c (life_analysis): Call mark_constant_function.
22502 * rtl.h (mark_constant_function): Declare it.
22504 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22506 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22507 unrecognisable switches.
22509 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22511 * loop.c (recombine_givs): Set ix field after sorting.
22512 (recombine_givs): Remove bogus index / giv lockstep looping.
22514 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22516 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22518 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22519 (do_cmp_and_jump): Formatting fixes.
22520 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22521 do_compare_rtx_and_jump instead of compare_from_rtx.
22522 (do_compare_rtx_and_jump): New function; mostly copied from
22524 (do_jump_for_compare): Delete.
22525 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22527 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22528 of compare/do_jump_for_compare pairs.
22529 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22530 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22531 compare_from_rtx/do_jump_for_compare pairs.
22532 (do_jump_by_parts_equality): Likewise.
22533 (do_jump_by_parts_equality_rtx): Likewise.
22534 * expr.h (do_compare_rtx_and_jump): Declare.
22535 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22536 that used to be in emit_cmp_insn.
22537 (cmp_available_p): New function.
22538 (prepare_operand): New function.
22539 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22540 to be in emit_cmp_insn.
22541 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22542 parameters to be pointers; don't emit final compare but modify some of
22543 the values pointed to by the args so the caller can perform the
22544 correct comparison.
22545 (expand_binop): Call emit_store_flag_force with signed forms of
22547 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22548 emit_jump_insn pair.
22549 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22550 emit_cmp_and_jump_insn_1. Call emit_queue.
22551 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22553 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22554 jump sets cc0 before deleting it.
22555 * integrate.c (expand_inline_function): Likewise.
22556 * unroll.c (unroll_loop): Similar changes in several places.
22557 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22558 before deleting it.
22560 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22562 * Makefile.in (insn-recog.o): Update dependencies.
22563 * genrecog.c (main): Make generated file include "function.h".
22565 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22567 * cse.c (cse_insn): Call never_reached_warning when a jump is
22568 changed to be unconditional.
22569 * flags.h: Declare warn_notreached.
22570 * flow.c (delete_block): Call never_reached_warning when
22571 a block is deleted.
22572 * jump.c (delete_barrier_successors): Call never_reached_warning
22573 when we delete everything after a BARRIER.
22574 (never_reached_warning): New function.
22575 * rtl.h: Declare never_reached_warning.
22576 * toplev.c (warn_notreached): New variable.
22577 (lang_independent_options): Set warn_notreached
22578 when -Wunreachable-code.
22579 (compile_file): We need line numbers for -Wunreachable-code.
22581 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22583 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22584 * sched.c (insn_unit): Likewise.
22586 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22588 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22590 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22592 * flow.c (create_edge_list): Use xmalloc, not malloc.
22594 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22596 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22597 C-style comments. Do not lose the character before double slash.
22599 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22601 * basic-block.h (struct edge_list): Stucture to maintain a vector
22603 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22604 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22605 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22606 New function prototypes.
22607 * flow.c (create_edge_list): Function to create an edge list.
22608 (free_edge_list): Discards memory used by an edge list.
22609 (print_edge_list): Debug output showing an edge list.
22610 (verify_edge_list): Internal consistency check for an edge list.
22611 (find_edge_index): Function to find an edge index for a pred and succ.
22613 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22615 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22618 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22620 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22622 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22624 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22626 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22628 * toplev.c (rest_of_compilation): Allow machine dependent
22629 reorganisation pass to place information into the RTL dump
22630 file if it so wishes.
22632 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22634 * explow.c (hard_function_value): Use VOIDmode instead of
22636 * stmt.c (expand_return): Likewise.
22637 * stor-layout.c (get_best_mode): Likewise.
22639 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22640 emit call instead of emit_insn call.
22642 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22644 * configure.in: Handle --disable/enable-win32-registry.
22645 * install.texi: Document --disable/enable-win32-registry.
22646 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22647 (WIN32_REGISTRY_KEY): New macro.
22648 * prefix.c: Use to enable/disable win32-specific code.
22649 (lookup_key): Use versioned key.
22650 * configure: Regenerate.
22651 * config.in: Likewise.
22653 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22655 * cpplib.c (read_line_number): New fn, split out of...
22658 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22660 tree.c (lang_unsave_expr_now) : New.
22661 (unsave_expr_now): Call lang_unsave_expr_now.
22662 tree.h (lang_unsave_expr_now) : New.
22664 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22666 * toplev.c (flag_new_exceptions): On by default.
22668 1999-08-13 Michael Meissner <meissner@cygnus.com>
22670 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22672 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22674 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22675 INTEGER_TYPE with precision==1, it's __java_boolean.
22677 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22679 * global.c (prune_preferences): Move some invariants out of the
22682 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22684 * configure.in (alpha*-dec-osf*): Add osf5.
22686 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22688 * configure.in: Rework handling of ARM GNU/Linux slightly.
22689 (arm*-*-linux-gnuoldld): New target.
22690 * configure: Regenerate.
22691 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22692 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22693 * config/arm/linux-oldld.h: New file.
22694 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22695 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22697 * config/arm/linux-elf.h (ASM_SPEC): Define.
22698 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22699 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22700 for 26-bit APCS and old linker.
22701 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22703 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22704 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22705 don't define `arm' or `arm_elf'.
22706 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22707 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22709 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22711 * rtl.texi: Fix typo.
22713 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22715 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22717 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22719 * extend.texi (C++ Signatures): Remove node.
22720 * invoke.texi: Remove discussion of -fhandle-signatures,
22721 signature, sigof, __signature__, and __sigof__.
22723 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22725 * Makefile.in (JAVAGC): Removed.
22727 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22729 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22731 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22733 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22735 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22737 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22738 a register that is already known to be a pointer.
22740 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22742 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22743 * fixinc/inclhack.sh: Regenerated.
22744 * fixinc/fixincl.sh: Regenerated.
22746 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22748 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22749 Fix documentation of -ansi flag to describe its C++ behavior.
22750 Remove bogus reference to GCC 2.9.
22752 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22754 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22755 note if it is non-NULL.
22757 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22759 * except.h (eh_nesting_info): Add new structure defintion.
22760 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22761 (reachable_handlers, update_rethrow_references): Add function
22763 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22764 a rethrow symbol instead of an integer exception region number.
22765 * flow.c (Make_edges): Use new exception nesting routines to determine
22766 which handlers are reachable from a CALL or asynchronous insn.
22767 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22769 (delete_eh_regions): Update rethrow labels, and don't delete
22770 regions which are the target of a rethrow.
22771 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22772 avoid overloading the SYMBOL_REF_USED flag.
22773 (rethrow_symbol_map): Use new rethrow_ref field.
22774 (rethrow_used): Use new rethrow_ref field.
22775 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22776 of an integer. Fix formatting.
22777 (output_exception_table_entry): Use new rethrow_ref field.
22778 (can_throw): Check for EH_REGION_NOTE before deciding
22779 whether a CALL can throw or not.
22780 (scan_region): Call rethrow_used() instead of accessing data structure.
22781 (update_rethrow_references): New function to make sure only regions
22782 which are still targets of a rethrow are flagged as such.
22783 (process_nestinfo): New static function to initialize a handler
22784 list for a specific region.
22785 (init_eh_nesting_info): New function to allocate and initialize
22786 the list of all EH handlers reachable from all regions.
22787 (reachable_handlers): New function to retrieve the list of handlers
22788 reachable from a specific region and insn.
22789 (free_eh_nesting_info): New function to dispose of a list of
22790 reachable handlers.
22792 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22794 * flow.c (split_edge): Set JUMP_LABEL field.
22795 (commit_one_edge_insertion): Set head correctly for insert_before.
22796 When inserting insns, update insn block numbers if allocated.
22798 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22800 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22801 retry_incomplete_types): Add static prototype.
22802 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22803 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22804 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22805 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22806 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22809 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22810 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22812 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22814 * output.h (assemble_name): Constify a char*.
22816 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22817 assemble_variable, assemble_name): Likewise.
22819 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22821 * arm/pe.c (arm_pe_unique_section): Likewise.
22823 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22825 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22827 * i386/interix.c (i386_pe_unique_section): Likewise.
22829 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22831 * i386/winnt.c (i386_pe_unique_section): Likewise.
22833 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22835 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22837 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22839 * pa/pa.c (output_call): Likewise.
22841 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22843 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22845 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22848 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22851 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22853 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22854 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22856 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22858 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22860 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22862 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22864 * tree.h (lang_identify): Constify a char*.
22865 (print_error_function): Add extern prototype. Constify a char*.
22867 * c-lang.c (lang_identify): Constify a char*.
22869 * objc/objc-act.c (lang_identify): Constify a char*.
22871 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22873 * genpeep.c (main): Make generated file include "function.h".
22874 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22876 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22878 * Makefile.in: Update dependencies.
22879 * alias.c: Include "function.h"
22880 * c-decl.c: Likewise.
22881 * caller-save.c: Likewise.
22882 * calls.c: Likewise.
22883 * combine.c: Likewise.
22885 * explow.c: Likewise.
22886 * final.c: Likewise.
22887 * global.c: Likewise.
22888 * graph.c: Likewise.
22889 * local-alloc.c: Likewise.
22890 * loop.c: Likewise.
22891 * optabs.c: Likewise.
22892 * profile.c: Likewise.
22893 * recog.c: Likewise.
22894 * regclass.c: Likewise.
22895 * regmove.c: Likewise.
22896 * reload.c: Likewise.
22897 * reorg.c: Likewise.
22898 * resource.c: Likewise.
22899 * sched.c: Likewise.
22900 * stupid.c: Likewise.
22901 * config/1750a/1750a.c: Likewise.
22902 * config/a29k/a29k.c: Likewise.
22903 * config/arc/arc.c: Likewise.
22904 * config/arm/arm.c: Likewise.
22905 * config/arm/thumb.c: Likewise.
22906 * config/c4x/c4x.c: Likewise.
22907 * config/clipper/clipper.c: Likewise.
22908 * config/convex/convex.c: Likewise.
22909 * config/fx80/fx80.c: Likewise.
22910 * config/i860/i860.c: Likewise.
22911 * config/m68k/m68k.c: Likewise.
22912 * config/m88k/m88k.c: Likewise.
22913 * config/mips/mips.c: Likewise.
22914 * config/pdp11/pdp11.c: Likewise.
22915 * config/pyr/pyr.c: Likewise.
22916 * config/romp/romp.c: Likewise.
22917 * config/sh/sh.c: Likewise.
22918 * config/tahoe/tahoe.c: Likewise.
22919 * config/vax/vax.c: Likewise.
22920 * config/we32k/we32k.c: Likewise.
22921 * config/sparc/sparc.c: Include "function.h".
22922 (mem_min_alignment): Test current_function rather than
22923 regno_pointer_align.
22924 * config/pa/pa.c: Likewise.
22925 (compute_frame_size): Delete declaration of
22926 current_function_outgoing_args_size.
22927 * config/arc/arc.h (current_function_varargs): Delete declaration.
22928 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22930 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22932 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22933 current_function_uses_pic_offset_table.
22934 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22935 of current_function_returns_pointer.
22936 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22937 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22938 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22939 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22940 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22941 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22942 * config/m88k/m88k.c: Include "function.h"
22943 (call_used_regs, current_function_pretend_args_size,
22944 current_function_outgoing_args_size, frame_pointer_needed): Delete
22946 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22948 * config/mips/mips.h (current_function_calls_alloca): Delete
22950 * config/mn10200/mn10200.h (current_function_needs_context,
22951 rtx_equal_function_value_matters): Delete declarations.
22952 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22953 flag_pic): Delete declarations.
22954 * config/pa/pa.h (current_function_pretend_args_size,
22955 current_function_decl): Delete declarations.
22956 * config/pa/som.h (current_function_varargs): Delete declaration.
22957 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22959 * config/pyr/pyr.h (current_function_pretend_args_size,
22960 current_function_args_size, current_function_calls_alloca): Delete
22962 * config/sh/sh.h (current_function_varargs): Delete declaration.
22963 * config/sparc/sparc.h (current_function_outgoing_args_size,
22964 current_function_calls_alloca, current_function_decl): Delete
22966 * config/spur/spur.h (current_function_pretend_args_size,
22967 current_function_calls_alloca): Delete declarations.
22968 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22970 * config/vax/vms.h (current_function_name): Delete declaration.
22971 * gcse.c: Include "function.h".
22972 (current_function_name, current_function_calls_setjmp): Delete
22974 * haifa-sched.c: Include "function.h".
22975 (forced_labels): Delete declaration.
22976 * jump.c: Likewise.
22977 * reg-stack.c: Likewise.
22978 * reload1.c: Likewise.
22979 * genemit.c (main): Make generated file include function.h.
22980 * genoutput.c (output_prologue): Likewise.
22982 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22983 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22984 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22985 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22986 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22987 macros for some of them.
22988 (emit_filename, emit_lineno): Delete declarations.
22989 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22990 regno_pointer_* variables through current_function.
22991 (gen_inline_header_rtx): Delete function.
22992 (save_emit_status): Delete function.
22993 (set_new_last_label_num): New function.
22994 (clear_emit_caches): New function.
22995 (restore_emit_status): Just clear last_labelnum and call
22997 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22998 through macro seq_stack.
22999 (add_insn_after): Likewise.
23000 (add_insn_before): Likewise.
23001 (remove_insn): Likewise.
23002 (pop_topmost_sequence): Likewise.
23003 (in_sequence_p): Likewise.
23004 (start_sequence_for_rtl_expr): Likewise.
23005 (start_sequence): Likewise, and likewise for
23006 sequence_rtl_expr/seq_rtl_expr.
23007 (push_topmost_sequence): Likewise.
23008 (end_sequence): Likewise.
23009 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23010 All callers changed. Store into that pointer instead of globals.
23011 (init_emit): Allocate emit elt of current_function.
23012 Changes for sequence_rtl_expr/sequence_stack renaming.
23013 Call clear_emit_caches instead of doing it in-line.
23014 Access regno_pointer_* variables through current_function.
23015 (init_emit_once) Don't clear sequence_stack.
23017 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23019 (arg_pointer_save_area): Delete declaration.
23020 (finish_expr_for_function): Renamed from init_queue; no longer static.
23021 (init_expr): Don't call init_queue.
23022 (save_expr_status, restore_expr_status): Delete functions.
23023 (expand_expr): Changes to reflect new layout of struct function.
23024 Don't access current_function_check_memory_usage when current_function
23026 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23027 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23028 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23029 current_function_uses_const_pool, function_call_count,
23030 current_function_uses_pic_offset_table, nonlocal_labels,
23031 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23032 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23033 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23035 (finish_expr_for_function): Declare.
23036 * flags.h (current_function_has_nonlocal_label,
23037 current_function_has_nonlocal_goto, current_function_is_thunk,
23038 current_function_has_computed_jump): Delete declarations.
23039 * flow.c (forced_labels): Delete declaration.
23040 * function.c (current_function_pops_args,
23041 current_function_returns_struct, current_function_returns_pcc_struct,
23042 current_function_needs_context, current_function_calls_setjmp,
23043 current_function_calls_longjmp, current_function_has_nonlocal_label,
23044 current_function_has_nonlocal_goto, current_function_is_thunk,
23045 current_function_has_computed_jump, current_function_calls_alloca,
23046 current_function_contains_functions, current_function_returns_pointer,
23047 current_function_epilogue_delay_list, current_function_args_size,
23048 current_function_pretend_args_size, current_function_arg_offset_rtx,
23049 current_function_outgoing_args_size, current_function_varargs,
23050 current_function_stdarg, current_function_args_info, cleanup_label,
23051 current_function_name, current_function_uses_const_pool,
23052 current_function_instrument_entry_exit, current_function_return_rtx,
23053 current_function_uses_pic_offset_table, nonlocal_labels,
23054 current_function_internal_arg_pointer, current_function_cannot_inline,
23055 current_function_check_memory_usage, function_call_count,
23056 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23057 nonlocal_goto_stack_level, return_label, save_expr_regs,
23058 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23059 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23060 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23061 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23062 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23064 (push_function_context_to): Don't save them. Don't call
23065 save_storage_status, save_emit_status or save_expr_status.
23066 (pop_function_context_from): Don't restore them. Don't call
23067 restore_storage_status or restore_expr_status.
23068 (get_func_frame_size): New function.
23069 (get_frame_size): Use it.
23070 (assign_outer_stack_local): Reflect some member name changes in struct
23072 (put_reg_into_stack): Likewise.
23073 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23075 (fixup_var_refs): Likewise.
23076 (fix_lexical_addr): Likewise.
23077 (trampoline_address): Likewise.
23078 (prepare_function_start): Clear field inlinable of current_function.
23079 (init_function_for_compilation): New function.
23080 (expand_dummy_function_end): New function.
23081 (expand_function_end): Call finish_expr_for_function.
23082 * function.h (struct emit_status): New; fields moved here from struct
23083 function and from global variables. Add accessor macros for some of
23085 (struct expr_status): Likewise.
23086 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23087 (struct function): Add fields expr and emit, inlinable, inl_emit,
23088 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23089 inl_max_label_num. Add many comments.
23090 Add accessor macros for all elts of struct function that no longer
23091 have a global variable.
23092 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23093 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23094 stack_slot_list): Delete declarations.
23095 (get_func_frame_size): Declare.
23096 (save_expr_status, restore_expr_status, save_emit_status,
23097 save_storage_status, restore_storage_status): Delete declarations.
23098 (init_virtual_regs): Declare.
23099 * output.h (current_function_pops_args,
23100 current_function_returns_struct, current_function_returns_pcc_struct,
23101 current_function_needs_context, current_function_calls_setjmp,
23102 current_function_calls_longjmp, current_function_calls_alloca,
23103 current_function_has_nonlocal_label, current_function_varargs,
23104 current_function_has_computed_jump, current_function_returns_pointer,
23105 current_function_contains_functions, current_function_args_size,
23106 current_function_pretend_args_size, current_function_stdarg,
23107 current_function_outgoing_args_size, current_function_args_info,
23108 current_function_name, current_function_return_rtx,
23109 current_function_epilogue_delay_list,
23110 current_function_uses_const_pool, current_function_cannot_inline):
23111 Delete declarations.
23112 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23113 regno_reg_rtx): Delete declaration.
23114 (REGNO_POINTER_FLAG): Delete macro.
23115 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23116 function were renamed.
23117 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23119 * toplev.c: Include "function.h".
23120 (current_function_decl): Delete declaration.
23121 (compile_file): Call init_dummy_function_start and
23122 expand_dummy_function_end around some initializations that need to
23124 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23125 Call init_function_for_compilation.
23126 * unroll.c: Include "function.h"
23127 (unroll_loop): Access regno_pointer_* variables through
23130 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23131 (DECL_SAVED_INSNS): use it.
23132 (expand_dummy_function_end): Declare.
23133 (init_function_for_compilation): Declare.
23134 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23135 that it's no longer an INLINE_HEADER.
23136 (expand_call): Likewise.
23137 * integrate.c (finish_inline): Delete function.
23138 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23139 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23140 args. Don't generate an INLINE_HEADER rtx, just return the arg
23141 vector. All callers changed.
23142 (save_for_inline_copying): Create a duplicate struct emit_status to
23143 hold the emit state for compiling the current function. Use this and
23144 the other new fields in struct function that are for integration
23145 instead of an INLINE_HEADER.
23146 Use memcpy instead of bcopy.
23147 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23148 (save_for_inline_nocopy): Similar changes, except no new emit_status
23150 (expand_inline_function): Get information from function structure,
23151 not from an inline header rtx.
23152 (output_inline_function): Lose code to extract the necessary
23153 information from an inline header; simply put back the function
23154 structure into current_function. Clear its inlinable elt.
23155 * rtl.def (INLINE_HEADER): Delete.
23156 * rtl.h: Delete all accessors for an INLINE_HEADER.
23157 (gen_inline_header_rtx): Delete declaration.
23158 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23159 Delete declarations.
23160 (REGNO_POINTER_ALIGN): Delete.
23161 (clear_emit_caches): Declare.
23162 (set_new_last_label_num): Declare.
23164 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23166 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23168 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23169 * stmt.c (is_eh_region): Make sure current_function is present, too.
23171 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23173 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23174 for 64bit PA targets.
23176 * pa.h (SELECT_SECTION): Define.
23177 * som.h (SELECT_SECTION): Delete.
23179 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23181 * alias.c (init_alias_analysis): Wrap call to
23182 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23184 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23186 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23187 <sys/asm.h> contains an asm comment with an apostrophe
23188 * fixinc/inclhack.sh: regen
23189 * fixinc/fixincl.x: regen
23191 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23193 * function.c (init_function_start): Clear prologue & epilogue.
23194 (prologue_epilogue_contains): New function.
23195 * alias.c (init_alias_analysis): Use it.
23196 * rtl.h (prologue_epilogue_contains): Declare it.
23198 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23200 * jump.c (onlyjump_p): New function.
23201 * rtl.h: Declare it.
23202 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23203 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23205 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23207 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23208 to invert loops. Simplify block scanning.
23210 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23212 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23213 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23215 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23217 * config/sparc/liteelf.h: New file to support sparclite-elf target
23218 * config/sparc/t-sp86x: New file to support sparc86x targets
23219 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23220 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23221 * configure.in: Support above target triplets
23222 * configure: Regenerated
23224 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23226 * fixinc/server.c (server_setup): Do not prefix function used as
23227 parameter with `&'.
23229 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23231 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23232 Remove fp reg alternatives.
23234 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23236 * Makefiin (TAROUTOPTS): Kill.
23237 (install-headers-tar): Use "xpf" for tar headerfile extraction
23238 * i370/x-oe (TAROUTOPTS): Delete.
23239 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23240 * m68k/x-hp320 (TAROUTOPTS): Delete.
23241 * m68k/x-hp320g (TAROUTOPTS): Delete.
23242 * gcc.texi: Update bug reporting text.
23244 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23246 * reg-stack.c (change_stack) Fixed problem with negative array index.
23248 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23250 * extend.texi, install.texi: Fix spelling mistakes.
23252 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23253 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23254 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23255 PREMADE_ATTRTAB_MD.
23256 * mips/t-ecoff: Likewise.
23257 * mips/t-elf: Likewise.
23258 * mips/t-mips: Likewise.
23259 * mips/t-osfrose: Likewise.
23260 * mips/t-r3900: Likewise.
23261 * mips/t-svr3: Likewise.
23262 * mips/t-svr4: Likewise.
23263 * mips/t-ultrix: Likewise.
23265 * gcc.texi: Document recommend means to provide software floating
23266 point libraries in libgcc.a
23268 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23270 * c-lex.c (yylex): We can have a number with no digits.
23272 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23274 * jump.c (delete_prior_computation): New function, broken
23275 out of delete_computation. Check for side effects with
23276 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23277 multi-word hard registers.
23278 (delete_computation): Use it. Check for side effects with
23279 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23280 missing REG_DEAD note for a register which is both set and
23283 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23285 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23286 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23287 (ASM_FILE_START): Import _mcount with the right type.
23288 (ASM_DECLARE_FUNCTION_NAME): Define.
23289 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23290 * pa.c (output_function_prologue): Always emit the function's label
23292 * pa.h (TEXT_SPACE_P): Define.
23293 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23294 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23295 * som.h (TEXT_SPACE_P): Delete.
23296 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23297 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23299 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23301 * expr.c (emit_group_load): Allow src to be a CONCAT.
23303 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23305 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23306 (___mulsi3): Use '!' comment character.
23308 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23310 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23312 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23314 * gcc.c: Update URLs and mail addresses.
23315 * gcc.texi: Likewise.
23317 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23319 * rs6000.c (current_file_function_operand): Return zero for
23321 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23323 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23326 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23328 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23329 allocate space in the stack frame for the PIC register.
23331 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23333 * m68k.md (xordi3, anddi3): These patterns are not available on
23336 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23338 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23339 (PUT_REAL): Likewise.
23341 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23343 * final.c (shorten_branches): Don't add an alignment for loops
23344 that have no label inside.
23346 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23348 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23349 prototypes in macro HAVE_cmpstrsi.
23351 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23353 * emit-rtl.c (operand_subword): Remove unused variable
23356 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23358 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23360 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23362 * cpphash.c (macroexpand): Delete leading whitespace when arg
23363 is concatenated before.
23364 (unsafe_chars): Correct test for whether + and - can extend a
23367 * cppinit.c (cpp_start_read): Do dependencies for
23368 -include/-imacros files also.
23370 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23371 tokenizing non-directive lines.
23372 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23373 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23376 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23378 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23380 * c-lex.c: Sync with C++ frontend.
23381 (linemode): New variable.
23382 (parse_float): imag, conversion_errno, and type are output only.
23383 (yylex): Adjust. Move initial '.' case into main switch.
23385 (handle_generic_pragma): Just deal with tokens.
23386 (readescape): Use ISXDIGIT and ISGRAPH.
23387 * c-parse.in: Add END_OF_LINE token.
23389 * c-lex.c (lang_init): Generalize.
23390 (nextchar): Remove. Replace uses with UNGETC.
23391 (skip_white_space): Handle linemode here. Optimize for cpplib.
23392 (skip_white_space_on_line): Remove.
23393 (extend_token_buffer_to): New fn.
23394 (extend_token_buffer): Use it.
23395 (read_line_number, check_newline): Just deal with tokens.
23396 (token_getch, token_put_back): New fns.
23397 (yylex): Use them. More cpplib optimizations. Simplify.
23399 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23400 Jason Merrill <jason@yorick.cygnus.com>
23402 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23403 (consume_string): Make this smart about USE_CPPLIB.
23404 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23405 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23406 Also, clean up cases where we redundantly set token_buffer[0].
23407 (read_line_number): New fn.
23408 (ignore_escape_flag): New variable.
23410 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23412 * a29k/t-a29kbare: Fix some comments.
23413 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23414 (FPBIT, DPBIT): Define.
23415 * a29k/t-vx29k: Likewise.
23416 * arc/t-arc: Likewise.
23417 * arm/t-arm-elf: Likewise.
23418 * arm/t-bare: Likewise.
23419 * arm/t-pe: Likewise.
23420 * arm/t-pe-thumb: Likewise.
23421 * arm/t-semi: Likewise.
23422 * arm/t-thumb: Likewise.
23423 * arm/t-thumb-elf: Likewise.
23424 * arm/t-thumb-linux: Likewise.
23425 * h8300/t-h8300: Likewise.
23426 * i960/t-i960: Likewise.
23427 * i960/t-vxworks960: Likewise.
23428 * m32r/t-m32r: Likewise.
23429 * mips/t-ecoff: Likewise.
23430 * mips/t-elf: Likewise.
23431 * mips/t-r3900: Likewise.
23432 * pa/t-pro: Likewise.
23433 * rs6000/t-aix43: Likewise.
23434 * rs6000/t-beos: Likewise.
23435 * rs6000/t-newas: Likewise.
23436 * rs6000/t-ppccomm: Likewise.
23437 * rs6000/t-rs6000: Likewise.
23438 * rs6000/t-winnt: Likewise.
23439 * rs6000/t-xnewas: Likewise.
23440 * rs6000/t-xrs6000: Likewise.
23441 * sh/t-sh: Likewise.
23442 * sparc/t-elf: Likewise.
23443 * sparc/t-sparcbare: Likewise.
23444 * sparc/t-sparclite: Likewise.
23445 * sparc/t-splet: Likewise.
23446 * v850/t-v850: Likewise.
23447 * mn10200/t-mn10200: Fix comments.
23448 * mn10300/t-mn10300: Likewise.
23450 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23451 dummy operand. Allocate a new pseudo for the dummy operand.
23452 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23454 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23456 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23458 * configure: Rebuilt.
23459 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23461 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23463 * recog.c (preproces_constraints): Zero recog_op_alt before
23464 processing the constraints.
23466 * arm.c (typedef minipool_node): Renamed from pool_node.
23467 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23468 (add_minipool_constant): New function.
23469 (dump_minipool): New function.
23470 (find_barrier): Remove special case for getting the insn size of
23471 an insn that references the constant pool.
23472 (minipool_fixup): New structure.
23473 (push_minipool_barrier): New function.
23474 (push_minipool_fix): New function.
23475 (note_invalid_constants): New function.
23476 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23477 (arm_reorg): Rewrite code to fix up the constant pool into a
23478 series of mini-pools embedded in the insn stream.
23479 (arm_output_epilogue): New function, made mainly from the body
23480 of output_func_epilogue.
23481 (output_func_epilogue): Move insn generation part of epilogue code
23482 to arm_output_epilogue.
23483 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23484 * arm.md (pool_range): New attribute.
23485 (zero_extendqidi2): Add attribute pool_range.
23486 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23487 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23488 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23489 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23490 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23491 (epilogue): New expand.
23492 (epilogue_insn): New insn. Call arm_output_epilogue.
23494 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23495 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23497 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23499 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23501 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23503 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23505 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23507 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23509 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23511 * global.c: Fix comment.
23513 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23515 * gcc.c (access_check): New static function.
23516 (find_a_file): Use it when searching a directory list.
23517 * collect2.c (find_a_file): Don't accept directories found when
23518 searching a directory list.
23520 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23522 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23523 function parameters with `&'.
23524 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23526 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23528 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23529 or tidy_fallthru_edge if the last insn in the block is not
23530 an unconditional jump or a simple conditional jump.
23532 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23534 * Makefile.in (c-decl.o): Depends on defaults.h.
23536 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23538 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23540 (CLASS_MAX_NREGS): Likewise.
23542 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23544 * cse.c (cse_insn): Fix dumb thinko in last change.
23546 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23548 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23551 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23553 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23554 test for sizes of passed and declared parameter types.
23556 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23558 * fixincludes: Fix the return type of bsearch, char* -> void*.
23560 * fixinc/inclhack.def: Likewise.
23562 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23564 * invoke.texi (-fdump-translation-unit): New option.
23566 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23568 * expr.h (PROMOTE_PROTOTYPES): Move ...
23569 * defaults.h: ... to here.
23570 * c-decl.c: Include defaults.h instead of expr.h.
23571 * c-typeck.c: Include defaults.h.
23573 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23575 * toplev.h (errorcount): Declare.
23576 (warningcount): Likewise.
23577 (sorrycount): Likewise.
23578 * c-lex.c (errorcount): Don't declare.
23579 * dwarf2out.c (errorcount): Don't declare.
23581 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23583 * config/libgloss.h: Add a note discouraging use with ELF.
23584 * configure.in: Don't use libgloss.h for ELF targets.
23585 Always use_collect2 on a.out targets.
23587 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23589 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23590 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23592 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23594 * loop.c (strength_reduce): When doing biv->giv conversion, update
23595 reg note of NEXT->insn.
23597 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23599 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23601 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23603 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23604 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23605 Ensure expr.h is included.
23606 * c-typecheck.c (convert_arguments): Ditto.
23608 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23610 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23611 * config/convex/convex.h: Ditto.
23612 * config/dsp16xx/dsp16xx.h: Ditto.
23613 * config/fx80/fx80.h: Ditto.
23614 * config/gmicro/gmicro.h: Ditto.
23615 * config/i370/i370.h: Ditto.
23616 * config/i386/i386.h: Ditto.
23617 * config/m32r/m32r.h: Ditto.
23618 * config/m68k/m68k.h: Ditto.
23619 * config/m88k/m88k.h: Ditto.
23620 * config/mips/mips.h: Ditto.
23621 * config/pa/pa.h: Ditto.
23622 * config/pyr/pyr.h: Ditto.
23623 * config/tahoe/tahoe.h: Ditto.
23624 * config/we32k/we32k.h: Ditto.
23626 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23627 based on arch size.
23629 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23631 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23634 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23636 1999-08-02 Richard Henderson <rth@cygnus.com>
23638 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23639 for the register spill block.
23640 (m32r_va_arg): New.
23641 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23642 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23644 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23645 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23646 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23648 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23650 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23651 MAX_WCHAR_TYPE defined in sparc.h.
23652 * config/sparc/linuxaout.h: Likewise.
23653 * config/sparc/linux64.h: Likewise.
23654 Also default to -mvis if CPU is UltraSPARC.
23656 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23658 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23659 (RTX_OK_FOR_OLO10): Likewise.
23660 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23661 %lo(), allow it in addresses...
23662 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23663 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23664 does not make sense.
23665 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23666 (sparc_output_scratch_registers): New function.
23667 (output_function_prologue, sparc_flat_output_function_prologue): Use
23669 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23671 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23672 * configure.in: Add check for .register pseudo-op support in as and
23673 check for offsetable %lo().
23674 * acconfig.h: Add templates for the above checks.
23675 * configure: Regenerate.
23677 1999-08-02 Richard Henderson <rth@cygnus.com>
23679 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23680 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23681 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23683 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23685 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23688 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23690 * config/float-sparc.h: New file.
23691 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23692 sparc-*-linux-gnu and sparc64-*-linux*.
23694 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23696 * rs6000.c (rs6000_va_list): Type is an array.
23697 (rs6000_va_start): Don't doubly adjust for varargs.
23698 (rs6000_va_arg): Evaluate long long GPR adjustment.
23700 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23702 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23703 -maix64 and -maix32.
23704 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23705 LINK_SPEC): Change appropriately.
23706 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23707 (u_short_cint_operand): Likewise.
23708 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23710 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23712 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23714 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23716 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23717 for type promotion.
23718 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23719 (non_add_cint_operand): Likewise.
23720 (logical_operand): Likewise.
23721 (non_logical_cint_operand): Likewise.
23722 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23723 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23724 (rs6000_select_rtx_section): Suppress warning.
23725 (small_data_operand): Suppress warning.
23726 (rs6000_got_register): Suppress warning.
23727 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23728 type, so `J' is generally the wrong constraint for a SImode value;
23730 (andsi3_internal2): Likewise.
23731 (andsi3_internal3): Likewise.
23732 (iorsi3_internal1): Likewise.
23733 (xorsi3_internal1): Likewise.
23735 (movsf_softfloat): Likewise.
23736 (scc insns): Likewise.
23737 (movsi+2): Preserve sign bits of SImode constant.
23738 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23739 (movdf+1): Sign-extend properly.
23740 (movdi_32+1): Sign-extend properly.
23741 (scc insns): Sign-extend properly.
23743 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23746 1999-08-02 Richard Henderson <rth@cygnus.com>
23748 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23749 -mcpu parsing code.
23750 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23751 * alpha.md (all fp insns): Likewise.
23753 1999-08-02 Nick Clifton <nickc@cygnus.com>
23755 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23758 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23760 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23761 pic_load_label generator directly.
23762 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23763 No longer a named pattern.
23765 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23767 * explow.c (force_reg): Call force_operand if X does not
23768 satisfy general_operand.
23770 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23772 * fix-header.c (main): When testing for CONTINUED, use string
23773 equality, not pointer equality.
23775 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23777 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23779 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23781 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23782 that has become an unconditional jump.
23784 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23785 (output_function_epilogue): Similarly.
23787 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23789 * tree.h (init_dummy_function_start): Declare.
23791 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23793 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23794 last_expr_type, last_expr_value, block_start_count, block_stack,
23795 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23796 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23797 dynamically in stmt elt of struct function for each function.
23798 (struct nesting): Rename function_call_count elt to n_function_calls,
23799 target_temp_slot_level to block_target_temp_slot_level. All users
23801 (struct stmt_status): New structure definition.
23802 Add many accessor macros for stmt_status elements which previously
23803 were global variables.
23804 (init_stmt_for_function): Allocate stmt elt for current_function.
23805 Reflect that block_start_count was renamed to
23806 current_block_start_count.
23807 (save_stmt_status, restore_stmt_status): Delete functions.
23808 (preserve_subexpressions_p): Don't access loop_stack when outside
23810 (expand_start_bindings): Reflect that block_start_count was renamed to
23811 current_block_start_count.
23812 (expand_fixup): Likewise.
23813 (expand_decl): Don't access block_stack when outside a function.
23814 (expand_decl_cleanup): Likewise.
23815 (expand_dcc_cleanup): Likewise.
23816 (expand_dhc_cleanup): Likewise.
23817 (expand_anon_union_decl): Likewise.
23818 (set_file_and_line_for_stmt): New function.
23819 (in_control_zone_p): New function.
23821 * function.h (struct function): Add new elt stmt.
23822 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23823 case_stack, nesting_stack, nesting_depth, block_start_count,
23824 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23825 emit_lineno, goto_fixup_chain.
23826 (save_eh_status, restore_eh_status, save_stmt_status,
23827 restore_stmt_status): Delete declarations.
23828 * function.c (push_function_context_to): Don't call save_stmt_status.
23829 (pop_function_context_to): Don't call restore_stmt_status.
23830 * tree.h (in_control_zone_p): Declare.
23831 * rtl.h (set_file_and_line_for_stmt): Declare.
23833 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23834 call set_file_and_line_for_stmt.
23836 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23838 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23839 Also update copyright.
23841 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23843 * c-pragma.c: Don't include "except.h".
23844 * emit-rtl.c: Likewise.
23845 * stor-layout.c: Likewise.
23846 * tree.c: Likewise.
23847 * varasm.c: Likewise.
23849 * flow.c: Include "function.h".
23850 * tree.h (init_dummy_function_start): Declare new function.
23852 * except.h (struct eh_status): New structure.
23853 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23855 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23856 catch_clauses, false_label_stack, caught_return_label_stack,
23857 protect_list, current_function_ehc): Add accessor macros for the
23858 corresponding fields in current_function->eh; delete declarations
23859 for all items that used to be declared here.
23860 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23861 catch_clauses, false_label_stack, caught_return_label_stack,
23862 protect_list, current_function_ehc): Delete variables.
23863 (init_eh_for_function): Allocate current_function->eh.
23864 (save_eh_status, restore_eh_status): Delete functions.
23866 * function.h (struct function): Add fields next_global and eh.
23867 Delete all exception handling related fields.
23868 * function.c (current_function): New variable.
23869 (all_functions): New variable.
23870 (push_function_context_to): Don't allocate a struct function,
23871 use current_function instead. Call init_dummy_function_start when
23872 outside a function. Clear current_function before returning.
23873 (pop_function_context_from): Restore current_function.
23874 Don't free the restored struct function.
23875 (prepare_function_start): New function.
23876 (init_dummy_function_start): New function.
23877 (init_function_start): Break out some code into prepare_function_start
23880 * stmt.c (save_stmt_status): Don't call save_eh_status.
23881 (restore_stmt_status): Don't call restore_eh_status.
23883 * Makefile.in: Update dependencies.
23885 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23887 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23888 of depending on a magic constant value. Update comments.
23889 (hppa_expand_prologue): Similarly.
23891 * pa.md (reload_indi, reload_outdi): Allow any register for the
23892 original reload register.
23894 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23896 * cccp.c (print_help): Change marcos to macros.
23898 1999-07-30 Richard Henderson <rth@cygnus.com>
23900 * c-typeck.c (initializer_constant_valid_p): Move ...
23901 * c-common.c (initializer_constant_valid_p): ... here. Use
23902 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23903 of label addresses.
23904 * c-common.h (initializer_constant_valid_p): Declare.
23905 * c-tree.h (initializer_constant_valid_p): Remove.
23907 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23909 * config/i386/sol2-c1.asm: Align the stack.
23910 * config/i386/sol2-gc1.asm: Likewise.
23912 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23914 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23915 -Asparclite for sparc86x.
23916 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23918 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23920 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23922 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23923 the user if using the non-default arch size in BI_ARCH configuration.
23924 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23926 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23927 Fix patterns so that they actually match.
23928 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23929 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23930 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23932 (mulsidi3): Reflect this in the expand.
23933 (smulsi3_highpart): Only on TARGET_ARCH32.
23934 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23935 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23936 (umulsidi3): Reflect this in the expand.
23937 (umulsi3_highpart): Only on TARGET_ARCH32.
23938 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23939 don't require g0 to be zero.
23940 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23941 ({,u}divsi3): New expands.
23942 ({,u}divsi3_sp64): New patterns.
23943 (after lshrdi3_v8plus): Four new patterns to help combiner
23944 optimizing nested mixed mode shifts.
23946 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23947 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23948 speed things up. Don't use them by default on plain v9 in 64bit
23949 mode, according to what SPAMv9 sais.
23951 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23952 top 32 bits of %[og][0-7] in signal handlers.
23953 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23955 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23957 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23958 (ashlsi3): Corresponding changes.
23960 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23962 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23964 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23966 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23968 * arm.h (Hint): Delete macro.
23969 Substitute HOST_WIDE_INT for Hint in some prototypes.
23970 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23972 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23974 * builtins.c (expand_builtin_setjmp): Use force_operand to
23975 make sure that the buffer address is in a suitable form to be
23976 passed to force_reg.
23978 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23980 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23983 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23985 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23986 proper mode in the condition string.
23987 (icacheflush, dcacheflush): Remove modes from match_operands.
23989 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23990 proper mode before using it.
23992 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23995 * pa.c (store_reg): Do not call add_high_const generator directly.
23996 (load_reg, set_reg_plus_d): Likewise.
23997 * pa.md (add_high_const): No longer a named pattern.
23999 * pa.c (legitimize_address): Consistently use Pmode rather than
24000 SImode. Do not call gen_pic2_highpart directly anymore.
24001 * pa.md (pic2_highpart): No longer a named pattern.
24002 (pic2_lo_sum): Similarly. Reformat to make more readable.
24004 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24009 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24011 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24013 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24015 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24016 and tag the spill mems.
24017 (hppa_va_start): New.
24018 (hppa_va_arg): New.
24019 * pa.h (EXPAND_BUILTIN_VA_START): New.
24020 (EXPAND_BUILTIN_VA_ARG): New.
24022 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24024 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24025 and tag the spill mems.
24026 (mn10300_va_start): New.
24027 (mn10300_va_arg): New.
24028 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24029 (EXPAND_BUILTIN_VA_ARG): New.
24031 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24033 * mn10200.c (mn10200_va_arg): New.
24034 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24036 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24038 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24039 rather than play with TREE_INT_CST_LOW.
24041 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24043 * config/arm/telf.h: Include dbxelf.h.
24044 (CPP_PREDEFINES): Only define if not already defined.
24045 (ASM_IDENTIFY_GCC): Likewise.
24046 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24047 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24048 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24050 (DBX_DEBUGGING_INFO): Don't define.
24051 * config/arm/linux-telf.h: New file.
24052 * config/arm/linux-tgas.h: New file.
24053 * config/arm/t-thumb-linux: New file.
24054 * config/arm/uclinux-elf.h: New file.
24055 * config/arm/uclinux-telf.h: New file.
24056 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24057 thumb-*-uclinux): New targets.
24058 * configure: Regenerate.
24060 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24062 * pa.md (post_store, pre_load): New expanders.
24063 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24064 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24065 need to directly generate RTL for them.
24066 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24069 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24071 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24072 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24073 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24074 (secndary_reload_class): Make TARGET_ELF conditional compile.
24075 (print_operand_address): Similar.
24076 (output_toc): Print all values as hex.
24077 (get_issue_rate): Rearrange and add RS64A and PPC630.
24078 * rs6000.h (processor_type): Add RS64A and PPC630.
24079 (PROCESSOR_POWERPC64): New.
24080 (PROMOTE_MODE): Use word_mode.
24081 (RTX_COSTS): Add RS64A and PPC630.
24082 * rs6000.md (scheduling information): Add lmul and ldiv
24083 representing 64-bit integer multiply and divide. Add rs64a and
24084 PPC630 information.
24085 (ashldi3): Add support for "rldic" instruction.
24086 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24088 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24090 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24091 instead of V8 for sparclite86x in cpu_table.
24093 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24095 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24096 output_file_directive.
24098 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24100 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24101 tree for op1, not the rtl.
24103 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24105 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24106 to m88k_va_start, leaving only the register spill.
24107 (m88k_build_va_list): New.
24108 (m88k_va_start): New.
24109 (m88k_va_arg): New.
24110 * m88k.h (BUILD_VA_LIST_TYPE): New.
24111 (EXPAND_BUILTIN_VA_START): New.
24112 (EXPAND_BUILTIN_VA_ARG): New.
24114 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24116 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24117 Rename from expand_builtin_saveregs.
24118 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24120 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24122 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24123 for the register spill block.
24124 (i960_build_va_list): New.
24125 (i960_va_start): New.
24126 (i960_va_arg): New.
24127 * i960.h (BUILD_VA_LIST_TYPE): New.
24128 (EXPAND_BUILTIN_VA_START): New.
24129 (EXPAND_BUILTIN_VA_ARG): New.
24130 * i960.md (store_multiple): Use change_address on individul mems.
24132 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24134 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24136 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24137 (expand_builtin_va_end): Evaluate arg for side effects.
24138 * c-common.c (c_common_nodes_and_builtins): Construct a
24139 va_list_arg_type_node to handle array decomposition to pointer.
24141 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24143 * except.c (st_dynamic_cleanup): Use force_operand on the
24146 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24148 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24149 * c4x.c (c4x_va_arg): New.
24151 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24153 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24154 has manual_pop set.
24156 1999-07-26 Nathan Sidwell <nathan@acm.org>
24158 * eh-common.h (__eh_matcher): Prototype correctly.
24160 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24162 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24163 (TARGET_SINGLE_PIC_BASE): Likewise.
24164 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24166 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24167 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24168 (TARGET_OPTIONS): Add -mpic-register=N.
24169 (OUTPUT_INT_ADDR_CONST): New macro.
24170 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24171 LEGITIMATE_PIC_OPERAND_P): Likewise.
24172 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24173 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24174 output_addr_const directly.
24175 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24177 (thumb_pic_register, thumb_pic_register_string): Declare.
24179 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24181 (label_mentioned_p): New function: Imported from arm.c.
24182 (legitimize_pic_address): New function: Imported from arm.c.
24183 (is_pic):New function: Imported from arm.c.
24184 (thumb_finalize_pic):New function: Imported from arm.c.
24185 (add_constant): Cope with PIC constants.
24186 (fixit): Cope with PIC constants.
24187 (output_return): Do not treat the PIC register as live if
24188 TARGET_SINGLE_PIC_BASE is true.
24189 (thumb_function_prologue): Do not treat the PIC register as live if
24190 TARGET_SINGLE_PIC_BASE is true.
24191 (thumb_expand_prologue): Do not treat the PIC register as live if
24192 TARGET_SINGLE_PIC_BASE is true.
24193 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24194 TARGET_SINGLE_PIC_BASE is true.
24195 (thumb_print_operand): Accept '|'.
24196 (thumb_override_options): Process PIC options.
24198 * config/arm/thumb.md (movsi): Support PIC.
24199 (call_insn): Change "i" constraint to "X".
24200 (call_value_insn): Likewise.
24201 (consttable_4, consttable_8, consttable_end): Set and clear
24202 "making_const_table" as appropriate.
24203 (pic_load_addr, pic_add_dot_plus_four): New insns.
24205 * invoke.texi (Thumb Options): Fix spelling. Document new
24206 options -msingle-pic-base and -mpic-register=.
24208 1999-07-26 Andrew Haley <aph@cygnus.com>
24210 * config/m32r/initfini.c (__init): Use a full word immediate for
24211 __fini: this allows it to be placed in any memory region.
24213 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24214 -mmodel=medium. This is OK for all memory models.
24216 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24218 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24219 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24221 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24223 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24226 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24228 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24230 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24231 (BUILD_VA_LIST_TYPE): New.
24232 (EXPAND_BUILTIN_VA_START): New.
24233 (EXPAND_BUILTIN_VA_ARG): New.
24234 * i860.c (output_delayed_branch): Disable.
24235 (output_delay_insn): Likewise.
24236 (i860_saveregs): New.
24237 (i860_build_va_list): New.
24238 (i860_va_start): New.
24239 (i860_va_arg): New.
24240 * i860.md: Disable all peepholes using output_delayed_branch.
24241 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24243 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24245 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24246 (BUILD_VA_LIST_TYPE): New.
24247 (EXPAND_BUILTIN_VA_START): New.
24248 (EXPAND_BUILTIN_VA_ARG): New.
24249 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24250 Return the address of the save area.
24251 (clipper_build_va_list): New.
24252 (clipper_va_start): New.
24253 (clipper_va_arg): New.
24255 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24257 * arc.h (EXPAND_BUILTIN_VA_START): New.
24258 (EXPAND_BUILTIN_VA_ARG): New.
24259 * arc.c (arc_setup_incoming_varargs): Set alias set of
24261 (arc_va_start): New.
24264 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24266 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24267 (BUILD_VA_LIST_TYPE): New.
24268 (EXPAND_BUILTIN_VA_START): New.
24269 (EXPAND_BUILTIN_VA_ARG): New.
24270 * alpha.c (alpha_builtin_saveregs): Delete.
24271 (alpha_build_va_list): New.
24272 (alpha_va_start): New.
24273 (alpha_va_arg): New.
24275 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24277 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24279 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24280 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24282 * gcc.texi: More changes related to list conversion.
24283 * invoke.texi: Likewise.
24285 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24287 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24288 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24289 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24290 (stabilize_va_list): New function.
24291 (std_expand_builtin_va_start): New function.
24292 (expand_builtin_va_start): New function.
24293 (get_varargs_alias_set): New function.
24294 (std_expand_builtin_va_arg): New function.
24295 (expand_builtin_va_arg): New function.
24296 (expand_builtin_va_end): New function.
24297 (expand_builtin_va_copy): New function.
24298 (expand_builtin): Call them.
24299 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24300 __builtin_{varargs_start,stdarg_start,end,copy}.
24301 (build_va_arg): New function.
24302 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24303 (build_va_arg): Declare.
24304 * c-decl.c (ptr_type_node, va_list_type_node): New.
24305 * c-parse.gperf (__builtin_va_arg): New.
24306 * c-parse.in (VA_ARG): New token.
24307 (unary_expr): Recognize it.
24308 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24309 * expr.h (std_expand_builtin_va_start): Declare.
24310 (std_expand_builtin_va_arg): Declare.
24311 (expand_builtin_va_arg): Declare.
24312 (get_varargs_alias_set): Declare.
24313 * tree.def (VA_ARG_EXPR): New.
24314 * tree.h (BUILT_IN_VARARGS_START): New.
24315 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24316 (ptr_type_node, va_list_type_node): Declare.
24317 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24318 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24319 * m88k.h, m88k.c: Likewise.
24320 * mn10300.h, mn10300.c: Likewise.
24321 * pa.h, pa.c: Likewise.
24322 * rs6000.h, rs6000.c: Likewise.
24323 * sh.h, sh.c: Likewise.
24324 * sparc.h, sparc.c: Likewise.
24326 * emit-rtl.c (operand_subword): Copy alias set.
24327 (change_address): Likewise.
24329 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24331 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24332 not just the first one.
24334 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24336 * config/arm/arm.h (TARGET_SWITCHES): Add
24337 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24338 (TARGET_OPTIONS): Add -mpic-register=.
24339 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24340 (arm_pic_register_string): Declare.
24341 (NEED_PLT_GOT): Delete, replace with ...
24342 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24343 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24344 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24345 * config/arm/arm.c (arm_override_options): Add new option
24347 (arm_pic_register_string): New variable.
24348 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24349 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24350 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24351 (output_return_instruction): Likewise.
24352 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24353 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24354 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24356 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24357 mention of -msched-prolog. Document new options -msingle-pic-base
24358 and -mpic-register=.
24360 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24362 * haifa-sched.c (reemit_notes): Tidy.
24363 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24366 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24368 * explow.c (trunc_int_for_mode): New function.
24369 (plus_constant_wide): Use it.
24370 * combine.c (simplify_and_const_int): Likewise.
24371 (merge_outer_ops): Likewise.
24372 (simplify_shift_const): Likewise.
24373 * cse.c (simplify_unary_operation): Likewise.
24374 (simplify_binary_operation): Likewise.
24375 * emit-rtl.c (operand_subword): Likewise.
24376 * rtl.h: Declare it.
24378 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24380 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24381 (use NUM_REGS instead of NUM_INTS).
24383 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24385 * builtins.c: New file.
24386 * expr.c (saveregs_value, apply_args_value): Delete definition,
24387 moved into builtins.c.
24388 (string_constant): No longer static.
24389 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24390 apply_args_size, apply_result_size, result_vector,
24391 expand_builtin_apply_args, expand_builtin_apply,
24392 expand_builtin_return): Delete functions, moved into builtins.c.
24393 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24394 * expr.h (saveregs_value, apply_args_value): Declare variables.
24395 (expand_builtin, string_constant): Declare functions.
24396 * Makefile.in: Update to build builtin.o.
24398 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24400 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24401 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24402 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24403 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24405 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24408 1999-07-21 Michael Meissner <meissner@cygnus.com>
24410 * print-rtl.c (print_rtx): Print the names of the virtual
24413 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24415 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24416 introduced in previous delta.
24418 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24420 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24421 to avoid name clash.
24423 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24425 * c-lex.c (yylex) : Correct the test for overflow when lexing
24428 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24430 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24431 (adjust_priority): Always call ADJUST_PRIORITY.
24432 (schedule_insn): Only put insns into the ready at cost 0.
24433 (schedule_block): Remove redundant initial sort. Give clock_var
24434 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24436 * tm.texi (MD_SCHED_REORDER): Update docs.
24438 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24439 * sparc.c (ultra_reorder_called_this_block): Delete.
24440 (ultrasparc_sched_init): Don't set it.
24441 (ultrasparc_sched_reorder): Don't check it.
24443 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24445 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24446 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24447 (function_arg_boundary): Align DFmode.
24448 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24449 to get fp reg and stack overflow correct.
24450 (function_arg): Likewise.
24451 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24452 (setup_incoming_varargs): Restructure for ABI_V4; use
24453 function_arg_advance to skip final named argument.
24454 (expand_builtin_saveregs): Properly unskip the last integer arg
24455 when doing varargs. Adjust overflow location calculation.
24457 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24458 explicitly unsigned.
24459 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24460 (__VA_GP_REGSAVE): Similarly.
24461 (__va_longlong_p): Delete.
24462 (__va_arg_type_violation): New declaration.
24463 (va_arg): Restructure. Flag promotion errors. Align double.
24464 TFmode passed by reference.
24466 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24467 in the HOST_BITS_PER_WIDE_INT > 32 case.
24469 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24471 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24473 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24475 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24476 * toplev.c (documented_lang_options): Add -fpreprocessed.
24477 * cpplib.h (struct cpp_buffer): Add preprocessed.
24478 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24479 (cpp_start_read): Don't expand macros or emit an initial #line
24480 directive if -fpreprocessed.
24482 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24484 * cpplib.h (struct cpp_buffer): Added manual_pop for
24485 better C++ tokenization.
24486 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24487 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24488 * c-common.c (cpp_token): Make non-static.
24490 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24492 * c-common.h: New file.
24493 * c-common.c (permanent_obstack): Delete unused declaration.
24494 (c_global_trees): New array.
24495 (c_common_nodes_and_builtins): New function; split off common code
24496 from init_decl_processing in both c-decl.c and cp/decl.c.
24497 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24498 c_global_trees and accessor macros defined in c-common.h.
24499 Include c-common.h.
24500 * c-decl.c: Delete definitions for tree nodes that were replaced by
24502 (init_decl_processing): Build void_list_node.
24503 Call c_common_nodes_and_builtins; delete code to generate the common
24505 * objc/objc-act.c (build_module_descriptor): Rename variable
24506 void_list_node to avoid clash with c-common.h.
24508 * Makefile.in: Update dependencies.
24509 * objc/Make-lang.in: Likewise.
24511 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24513 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24514 (UNIQUE_SECTION_P): Likewise.
24515 (UNIQUE_SECTION): Likewise.
24517 1999-07-19 Linas Vepstas <linas@linas.org>
24519 * config/i370/README: New file.
24520 * config/i370/linux.h: New file.
24521 * config/i370/mvs.h: New file.
24522 * config/i370/oe.h: New file.
24523 * config/i370/t-linux: New file.
24524 * config/i370/t-mvs: New file.
24525 * config/i370/t-oe: New file.
24526 * config/i370/x-oe: New file.
24527 * config/i370/xm-linux.h: New file.
24528 * config/i370/xm-mvs.h: New file.
24529 * config/i370/xm-oe.h: New file.
24531 * i370.c (label_node_t): Add first_ref_page, label_addr,
24532 label_first_ref, label_last_ref members.
24533 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24534 (MAX_MVS_LABEL_SIZE): Define.
24535 (MAX_LONG_LABEL_SIZE): Define.
24536 (alias_node_t, alias_anchor, alias_number): New.
24537 (mvs_function_table): Reorder for EBCDIC.
24538 (ascebc, ebcasc): Unconditionally define.
24539 (i370_branch_dest, i370_branch_length): New functions.
24540 (i370_short_branch, i370_label_scan): New functions.
24541 (mvs_get_label): Renamed from mvs_add_label. Search for
24542 an existing label before creating a new one.
24543 (mvs_add_label): New function.
24544 (mvs_get_label_page): New function.
24545 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24546 over the entire list.
24547 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24548 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24549 (mvs_add_alias, mvs_need_alias): New functions.
24550 (mvs_get_alias, mvs_check_alias): New functions.
24551 (handle_pragma): New function.
24552 (mvs_function_check): New function.
24553 (unsigned_jump_follows_p): Search harder.
24554 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24555 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24556 * i370.h (TARGET_VERSION): Delete.
24557 (CPP_SPEC, CPP_PREDEFINES): Delete.
24558 (mvs_label_emitted): Delete.
24559 (TARGET_EBCDIC): Delete.
24560 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24561 (HANDLE_PRAGMA): Define.
24562 (HARD_REGNO_NREGS): Handle complex modes.
24563 (HARD_REGNO_MODE_OK): Likewise.
24564 (CLASS_MAX_NREGS): Likewise.
24565 (RET_REG): Likewise.
24566 (EXTRA_CONSTRAINT): Define.
24567 (RETURN_IN_MEMORY): True for DImode.
24568 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24569 (FUNCTION_PROFILER): Delete.
24570 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24571 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24572 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24573 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24574 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24575 (ASM_FILE_START): Add "RMODE ANY".
24576 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24577 (ASM_GLOBALIZE_LABEL): Likewise.
24578 (ASM_OUTPUT_LABELREF): Likewise.
24579 (ASM_OUTPUT_COMMON): Likewise.
24580 (PRINT_OPERAND): Handle 'K', 'W', default.
24581 (PRINT_OPERAND_ADDRESS): New.
24582 (Lots of defines): Add support for TARGET_ELF_ABI.
24583 * i370.md (attr length): New. Define for all patterns.
24584 (*): Lots of tweeks to assembly output and constraints.
24586 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24588 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24589 Disable patterns performing SImode comparisons with SImode values
24590 if TARGET_POWERPC64 and instruction does not sign-extend or does
24591 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24592 differ for signed quantities.
24593 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24594 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24595 (decrement_and_branch_on_count): Add 64-bit variant.
24597 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24599 * final.c (output_asm_insn): When searching for the matching string
24600 for a given dialect, don't run past the end of the list of
24601 alternatives if there are fewer alternatives in the template than
24604 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24606 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24607 Removed paragraph about compression of files and size limitation,
24608 duplicated in the FAQ. Use gcc-patches for posting patches.
24609 * gcc.c (main): Updated URL with bug reporting instructions to
24610 gcc.gnu.org. Removed e-mail address.
24611 * system.h (abort): Likewise.
24613 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24615 * Makefile.in (stmp-multilib-sub): Make the files extracted
24616 from $(LIBGCC1) writable.
24618 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24620 * config/arm/aout.h: Reformat for improved readability.
24622 * config/arm/arm.h: Reformat for improved readability.
24623 Replace uses of fprintf with asm_fprintf where appropriate.
24624 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24625 function declaration assembler actions.
24626 (NUM_INTS): New macro: Convert from bytes to words.
24627 (NUM_REGS): New macro: Compute number of registers required to
24628 hold a quanitity of tyep MODE.
24629 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24631 (NUM_ARG_REGS): New macro: The number of argument registers
24633 (ARG_REGISTER): New macro: Compute the register number of the Nth
24635 (LAST_ARG_REGNUM): New macro: The number of the last argument
24637 (SP_REGNUM): New macro: Register number of the stack pointer.
24638 (FP_REGNUM): New macro: Register number of the frame pointer.
24639 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24640 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24641 CUMULATIVE_ARGS so that it counts registers not bytes.
24643 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24645 Replace uses of fprintf with asm_fprintf where appropriate.
24646 (output_ascii_pseudo_op): Replace with version from thumb.c
24648 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24650 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24651 SUBTARGET_CPP_SPEC.
24652 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24653 (ASM_FILE_START): Emit ASM_APP_OFF.
24655 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24657 * pa.c (compute_frame_size): Round frame according to
24658 STACK_BOUNDARY rather than a hardwired value.
24660 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24662 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24664 * configure: Rebuilt.
24666 * configure.in (hppa*-*-linux*): New configuration.
24667 * configure: Rebuilt.
24668 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24669 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24670 * pa/pa-linux.h: New file.
24671 * pa/t-linux: New file.
24672 * pa/xm-linux.h: New file.
24674 * pa.c (hppa_legitimize_address): Change references from SImode to
24675 either Pmode or word_mode as appropriate.
24676 (emit_move_sequence, store_reg, load_reg): Likewise.
24677 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24678 (output_mul_insn): Likewise.
24679 * pa.h (PROMOTE_MODE): Likewise.
24680 (INITIALZE_TRAMPOLINE): Likewise.
24681 (Pmode): Define to word_mode.
24683 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24684 value of 4. Allocate 8 bytes for each FP register save.
24685 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24687 (hppa_expand_prologue): Likewise.
24688 * pa.h (PROMOTE_MODE): Likewise.
24689 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24690 (FUNCTION_ARG_BOUNDARY): Likewise.
24692 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24694 * pa.c (out_of_line_prologue_epilogue): Delete.
24695 (override_options): Remove -mspace related code.
24696 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24697 (compute_frame_size): Only allocate space for register that
24698 actually need to be saved.
24699 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24700 (TARGET_SWITCHES): Remove -mspace, -mno-space
24701 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24702 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24703 * pa/ee.asm, pa/ee_fp.asm: Delete.
24705 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24707 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24708 directive in column zero.
24710 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24712 * m68k.c (output_function_prologue): Fix computation of save mask
24713 when generating PIC code.
24715 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24717 * tree.c (build_type_attribute_variant): Move current_obstack restore
24718 after build_qualified_type call.
24720 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24722 * configure.in: Use t-iris6, even with GNU LD.
24723 * config/mips/iris6gld.h: Fix typo in linker spec.
24724 * config/mips/t-iris6gld: Remove.
24726 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24728 * rs6000.md (insv, extzv): Remove SImode dependence in named
24729 patterns. Explicitly generate DImode RTL if PowerPC64 and
24731 (insvdi): Reverse start and size in instruction template.
24733 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24735 * invoke.texi: Typo fixes.
24737 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24739 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24740 handle at this time instead of silently generating incorrect code.
24741 (gen_imagpart): Likewise.
24743 * reload.c (find_reloads): Emit a USE for a pseudo register without
24744 a hard register if we could not create an optional reload for the
24747 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24749 * c-typeck.c (output_init_element, process_init_element):
24750 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24751 check for nameless bit fields.
24753 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24755 * regclass.c (scan_one_insn): Notice subregs that change the
24756 size of their operand.
24757 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24759 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24761 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24762 * configure: Rebuilt.
24763 * alpha/t-ieee: New file.
24765 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24767 * rs6000.c (find_addr_reg): Do not select r0 as an address
24770 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24772 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24774 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24776 * rs6000.md (movsf): Do not force easy FP constants into memory.
24778 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24779 immed_double_const to ensure they are properly truncated then
24782 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24784 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24785 always unless NO_DEBUG is used. Compile this code
24787 (replace_symbols_in_block): Compile it unconditionally.
24789 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24791 * configure.in (i?86-*-elf*): New target.
24792 * configure: Rebuilt.
24793 * i386/i386elf.h, i386/t-i386elf: New files.
24795 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24797 * toplev.c (main): Don't complain about saying -gdwarf.
24798 (rest_of_compilation): Remove redundant code.
24800 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24802 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24804 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24806 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24807 "Li960R:", to avoid name clash.
24809 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24811 * loop.c (check_dbra_loop): When reversing a loop, delete all
24812 REG_EQUAL notes referencing the reversed biv except those which are
24813 for a giv based on it.
24815 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24817 * version.c: Drop "gcc-" prefix from version #.
24819 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24821 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24822 the label if we're being verbose.
24824 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24826 * m68k.c (output_function_prologue): Add pic register to mask
24827 if live and flag_pic.
24828 (output_function_epilogue): Likewise.
24830 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24832 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24833 directives in column zero.
24835 * pa/elf.h (ASM_FILE_START): Define.
24836 * pa/som.h (ASM_FILE_START): Include .level directives.
24837 * pa/hpux10.h (ASM_FILE_START): Delete.
24838 * pa/hpux11.h (ASM_FILE_START): Delete.
24840 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24842 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24844 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24845 when reload_out equals reload_in.
24847 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24849 * invoke.texi (Spec Files): New node: Describe the contents of
24852 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24854 * invoke.texi (DEC Alpha Options): Put @end table at
24855 beginning of line, to avoid confusing texi2html.
24857 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24859 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24860 introduced in previous delta.
24862 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24864 * reload1.c (gen_reload): When synthesizing a 3 operand add
24865 sequence, improve test for when to reload OP1 into the reload
24866 register instead of OP0.
24868 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24870 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24872 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24874 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24877 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24879 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24880 (va_dcl): Use __builtin_va_alist_t.
24882 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24884 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24885 on the permanent_obstack.
24886 * dwarfout.c (output_type): Likewise.
24888 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24890 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24891 Merged from c-typeck.c and cp/typeck.c.
24892 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24893 Merged into c-common.
24895 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24897 * c-lex.c (errorcount): Declare it.
24898 (finish_parse): Update errorcount when using CPPLIB.
24900 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24902 * fixinc/inclhack.def(end_else_label): Double the backslash so
24903 sed gets a chance to see it.
24904 * fixinc/inclhack.sh: regen
24905 * fixinc/fixincl.x: regen
24907 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24909 Add framework to support armv5 architecture when it becomes
24912 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24913 (arm_arch5): New variable.
24914 (all_architectures): Add armv5 line.
24915 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24916 -march=armv5 is specified on the command line.
24917 (arm_arch5): Export this variable.
24918 * invoke.texi: Document new string accepted by -march= switch for
24921 * config/arm/arm.h: Replace use of constant 12 as a register
24922 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24923 * config/arm/arm.c: Replace use of constant 12 as a register
24924 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24926 * config/arm/elf.h: Tidy up.
24927 * config/arm/coff.h: Tidy up.
24929 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24931 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24932 * gcc/config/mips/t-iris6gld: New file.
24933 * gcc/config/mips/iris6gld.h: Likewise.
24935 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24937 * c-decl.c (widest_integer_literal_type_node,
24938 widest_unsigned_literal_type) : New.
24939 (init_decl_processing): Handle/use the two new types.
24940 * c-common.c (type_for_size,type_for_mode) : Same.
24941 * c-lex.c (yylex) : Same.
24942 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24944 * c-tree.h (widest_integer_literal_type_node,
24945 widest_unsigned_literal_type) : New.
24947 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24949 * dwarfout.c (field_byte_offset): Correctly compute the object's
24950 byte offset for the first bit of a field which crosses an alignment
24951 boundary on a !BYTES_BIG_ENDIAN target.
24953 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24955 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24958 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24959 Jeff Law <law@cygnus.com>
24961 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24964 * except.c: Include intl.h.
24965 (expand_eh_return): Set current_function_cannot_inline.
24966 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24967 * function.h (struct function): Add eh_return_stub_label.
24968 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24969 * Makefile.in (except.o): Depend on intl.h.
24971 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24973 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24974 same as offsettable in cases 1 and 2.
24976 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24978 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24979 (extlh, extwh): Likewise.
24981 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24983 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24985 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24987 * configure.in: Add arm-pe and thumb-pe targets.
24988 * configure: Regenerate.
24990 * thumb.c (arm_naked_function_p): New function: Determines if
24991 a function is naked (has no gcc generated prologue/epilogue).
24992 (is_called_in_ARM_mode): Return true if the func has the
24993 interfacearm attribute.
24994 (output_return): Do not generate a return for naked functions.
24995 (thumb_function_prologue): Do not generate a prologue for
24997 (thumb_expand_prologue): Do not generate a prologue for naked
24999 (thumb_expand_epilogue): Do not generate an epilogue for naked
25001 (arm_valid_machine_decl_attribute): New function, copied from
25002 arm.c: Permit naked and interfacearm attributes.
25004 * config/arm/pe.c: New file: Support code for arm-pe target.
25005 * config/arm/pe.h: New file: Header file for arm-pe target.
25006 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25007 * config/arm/t-thumb-pe: New file: Makefile fragment for
25010 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25012 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25013 -fPIC or -fpic is specified.
25015 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25017 * expr.c (emit_block_move): Use copy_to_mode_reg for
25018 !TARGET_MEM_FUNCTIONS case too.
25020 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25022 * configure: Rebuilt.
25023 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25024 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25025 definitions made redundant by dbxelf.h inclusion. Delete
25026 lots of definitions related to assembly output that are
25027 specific to the SOM object format.
25028 * pa.c (output_function_prologue): Do not emit the function's
25030 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25031 * pa-pro.h: Deleted.
25032 * som.h: New file with SOM specific definitions.
25033 * elf.h: New file with ELF specific definitions.
25035 * elfos.h (const_section): Output a tab before assembler directives.
25036 (ctors_section, dtors_section): Likewise.
25037 (ASM_OUTPUT_SECTION_NAME): Likewise.
25039 * pa/pa1.h: Delete unused file.
25041 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25043 * configure.in (hppa*-hp-hpux11*): New configuration.
25044 * configure: Rebuilt.
25045 * pa/pa-hpux11.h: New file.
25046 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25049 * mips.md (leasi, leadi): New patterns.
25051 * expr.c (emit_block_move): Properly handle case where one of the
25052 block move arguments has a queued increment or decrement.
25053 (clear_storage): Similarly. Fix formatting goof.
25055 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25057 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25058 semicolon from the BSD VA_LIST replacement expression.
25060 * fixinc/inclhack.sh: regen
25061 * fixinc/fixincl.x: regen
25063 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25064 now use the fixincl program.
25066 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25068 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25069 case. Also make the PIC register call_used.
25071 * m68k.h (FINALIZE_PIC): Delete.
25072 * m68k.c (finalize_pic): Delete.
25074 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25076 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25079 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25081 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25083 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25085 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25087 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25089 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25091 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25093 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25095 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25097 * rs6000.c (output_toc): Always use hex values for floating-point
25098 constants. Store single-precision values in upper-half of TOC
25099 entry in 64-bit mode.
25100 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25101 to final constraints.
25102 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25103 (fctiwz): Improve accuracy of RTL for pattern.
25105 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25107 * expr.c (expand_expr): Allow RTL_EXPR's through the
25108 MAX_INTEGER_COMPUTATION_MODE checks.
25110 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25112 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25113 such that MASK_SUPPORT_ARCH is not negative.
25115 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25117 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25118 ADDR_DIFF_VEC insns that appear inside loops.
25120 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25121 Jeff Law <law@cygnus.com>
25123 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25124 Handle LO_SUM the same as offsettable in cases 1 and 2.
25125 * rs6000.c (find_addr_reg): Revert previous patch.
25127 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25129 * system.h (strstr): New external function declaration.
25130 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25131 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25132 * config.in, configure: Rebuilt.
25134 1999-06-24 Tom Tromey <tromey@cygnus.com>
25136 * gcc.c (main): Read user-specified specs files after computing
25137 additional startfile_prefixes.
25139 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25141 Revert these two patches:
25143 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25144 * loop.c (strength_reduce): When doing biv->giv conversion, update
25145 reg note of NEXT->insn.
25147 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25148 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25150 (recombine_givs): Set ix field after sorting.
25152 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25154 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25155 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25157 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25159 *fixinc/inclhack.def: Add fix development commentary
25160 (read_ret_type): reactivate and add selection clause
25161 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25162 *fixinc/{fixincl.x|inclhack.sh}: regen
25164 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25166 * expr.c (expand_expr): STRIP_NOPS before checking against
25167 MAX_INTEGER_COMPUTATION_MODE
25168 (check_max_integer_computation_mode): Likewise.
25170 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25172 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25174 1999-06-22 Jim Wilson <wilson@cygnus.com>
25176 * expr.c (store_expr): When target is a promoted subreg, return a
25177 promoted subreg as a result.
25179 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25181 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25183 (dwarf2out_define): Mark unused parameters appropriately.
25184 (gen_unspecified_parameters_die): Ditto.
25185 (gen_subprogram_die): Fix signed/unsigned warnings.
25186 (gen_variable_die): Ditto.
25188 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25190 * fixinc/inclhack.def(end_else_label): combined else_label
25191 and endif_label and fixed the sed expression.
25192 *fixinc/{fixincl.x|inclhack.sh}: regen
25194 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25196 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25197 'x' when handling non-offsettable addresses
25199 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25201 * final.c (shorten_branches): Don't try to split an insn that has
25204 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25206 * config/mips/mips.c (symbolic_expression_p): New function.
25207 (mips_select_rtx_section): Put symbolic expressions in the
25208 data section, not the read-only data section.
25210 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25212 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25214 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25216 * collect2.c (main): Log frame table count.
25217 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25218 (scan_prog_file) [COFF]: Handle frame tables.
25220 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25221 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25222 * alpha/elf.h: Undef them again.
25223 * alpha/vms.h: Remove their definitions.
25225 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25227 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25228 remove the clobber of r0 and change the REG_UNUSED note to
25231 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25233 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25234 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25235 fits in HOST_WIDE_INT and one uses union to access a long constant
25238 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25240 * sparc.c (sparc_override_options): Don't allow profiling for
25241 code models other than medlow.
25242 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25243 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25244 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25245 (sparc_block_profiler): Likewise.
25246 (sparc_function_block_profiler_exit): Likewise.
25247 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25248 (FUNCTION_BLOCK_PROFILER): Likewise.
25249 (BLOCK_PROFILER): Likewise.
25250 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25251 (MCOUNT_FUNCTION): New.
25252 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25253 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25254 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25255 (MCOUNT_FUNCTION): New.
25256 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25257 (BLOCK_PROFILER): Delete.
25258 (MCOUNT_FUNCTION): New.
25260 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25262 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25264 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25266 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25269 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25272 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25275 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25278 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25280 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25283 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25285 * i386/djgpp.h (LIB_SPEC): New.
25286 (STARTFILE_SPEC): New.
25288 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25290 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25292 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25295 * system.h (WSTOPSIG): New macro.
25297 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25299 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25301 (insert_pack_attributes): Take into account member natural
25304 * i386/winnt.c (exports_head): New static variable.
25305 (i386_pe_record_exported_symbol): New function.
25306 (i386_pe_asm_file_end): Use.
25307 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25308 symbols to be emitted at end of assembly.
25309 (ASM_DECLARE_OBJECT_NAME): Likewise.
25310 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25312 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25315 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25317 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25320 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25322 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25323 zapping reg_last_uses directly.
25324 (sched_analyze_2, sched_analyze_insn): Likewise.
25325 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25327 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25329 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25330 attributes for cases 1 and 2.
25332 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25334 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25337 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25339 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25341 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25343 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25344 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25345 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25346 must be stacked if it is used for PIC accesses.
25347 * arm.c (use_return_insn): Handle PIC register specially.
25348 (output_return_instruction): Likewise.
25349 (output_func_{prologue,epilogue}): Likewise.
25350 (output_expand_prologue): Likewise.
25352 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25353 (*strsi_predec): Renamed from *strqi_predec.
25354 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25355 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25357 * arm.c (arm_override_options): Remove warning about PIC code
25358 not being supported.
25360 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25362 * rs6000.c (find_addr_reg): New function.
25363 * rs6000.h (find_addr_reg): Declare.
25364 (offsettable_addr_operand): Delete.
25365 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25366 from and stores to GPRs.
25368 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25370 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25371 gen_sequence as argument to emit_no_conflict_block.
25373 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25375 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25376 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25377 *fixinc/fixincl.x: regen
25378 *fixinc/inclhack.sh: regen
25380 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25382 * added support for -mpcrel (PC relative addressing for m68k)
25383 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25384 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25385 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25386 (comments for general_src_operand): Add some explanation
25387 about EXTRA_CONSTRAINTS.
25388 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25389 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25390 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25391 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25392 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25393 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25394 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25395 if not already set.
25396 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25397 * m68k.h (TARGET_PCREL): New target flag.
25398 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25399 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25400 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25401 contains a SYMBOL_REF. Relax this constraint during reload, since
25402 we want to use the predicates, not reload's built-in concept of a
25403 valid memory address, to control what insns need reloading.
25404 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25405 operands (essentially 'g', 'm', and 's' under normal circumstances).
25406 * m68k.c (print_operand): Cause printing of pc-relative addresses
25407 to include pc register.
25408 (print_operand_address): Ditto.
25409 (general_src_operand): Accept operands that are not only
25410 general_operands, but are also valid when used as a pc-relative
25412 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25413 (memory_src_operand): Similar, for memory_operands.
25414 (pcrel_address): New predicate to accept the special case of a
25415 pc-relative address.
25416 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25417 QImode insns to accept *_src_operand instead of *_operand where
25418 pc-relative operands can fit. For example, a pc-relative operand
25419 can be used as a memory source operand for addsi3, but not as a
25420 memory destination.
25421 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25423 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25425 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25426 .thumb_set pseudo op to mark aliases of thumb functions.
25428 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25430 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25431 preference to ASM_OUTPUT_DEF, if it is defined.
25433 * tm.texi: Document new, optional target macro
25434 ASM_OUTPUT_DEF_FROM_DECLS.
25436 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25438 * fixincludes: ISCNTL patch
25439 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25440 (dgux_int_varargs): new for DG/UX
25441 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25443 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25445 * invoke.texi (ia32 options): Fix typo.
25447 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25449 * loop.c (strength_reduce): When doing biv->giv conversion, update
25450 reg note of NEXT->insn.
25452 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25454 * loop.c (move_movables): Note issues with replacing REGs with
25456 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25458 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25460 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25462 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25463 the reference to `mcount' was not correct for the ELF on FreeBSD.
25465 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25467 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25470 (recombine_givs): Set ix field after sorting.
25472 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25474 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25475 to safe to extract a subword out of a REG.
25477 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25479 * sh.md (mulsi3): Don't add a no-op move at the end.
25481 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25483 * cse.c (cse_insn): Don't put hard register source into tables for
25484 the last insn of a libcall.
25486 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25488 * loop.c (strength_reduce): Insert sets of derived givs at every
25489 biv increment, even if it's the only one.
25491 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25493 * dwarfout.c (add_incomplete_type): New fn.
25494 (output_type): Call it.
25495 (retry_incomplete_types): New fn.
25496 (dwarfout_finish): Call it.
25498 From Eric Raskin <ehr@listworks.com>:
25499 (output_type): Output types for bases.
25501 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25503 * mips.c (mips_output_conditional_branch): Add `break'
25504 between `default' label and `close braces'.
25506 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25508 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25509 specifications and make it realistic.
25510 (LIB_SPEC): Likewise.
25512 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25514 * config/mips/mips.c (mips_secondary_reload_class): Check for
25515 (PLUS (SP) (REG)) and return appropriate register class.
25516 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25517 Handle (PLUS (SP) (REG)).
25518 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25519 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25520 of emit_insn for tablejump.
25522 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25524 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25525 asm_fprintf format string by itself.
25526 (output_function_profiler): Likewise.
25528 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25530 * combine.c (simplify_logical, case AND): Only call
25531 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25532 or the constant is positive.
25534 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25536 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25537 * configure: Regenerate.
25539 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25541 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25542 require a sub-version #.
25543 * configure: Rebuilt.
25545 1999-06-14 Robert Lipe (robertlipe@usa.net)
25547 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25549 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25551 * c-typeck.c (process_init_element): Detect excess elements in
25552 char array initializer.
25554 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25556 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25558 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25560 * invoke.texi (Option Summary): Add -fpermissive flag.
25562 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25564 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25565 that require PIC code sequences.
25567 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25569 * configure.in: Add new target: thumb-elf.
25570 * configure: Regenerate.
25571 * config/arm/t-thumb-elf: New file: Makefile fragment for
25573 * config/arm/telf.h: New file: Header file for thumb-elf
25576 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25578 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25579 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25580 initializers is some circumstances.
25582 * fixinc/inclhack.def (endif_label): Add additional selector for
25583 more bogus stuff after #endif statements.
25584 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25586 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25588 * i386/cygwin.h (SET_ASM_OP): Define.
25590 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25592 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25594 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25596 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25599 * sh.md (ic_invalidate_line_i): Remove second alternative.
25601 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25603 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25604 test for the presence of valid prototypes. Delete bypass expr.
25605 (ioctl_fix_ctrl): Correct the selection expression.
25606 (no_double_slash): Correct quoting rules
25607 *fixinc/fixincl.x: regen
25608 *fixinc/inclhack.sh: regen
25610 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25612 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25614 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25616 * rs6000.md (movsi_got_internal_mem): Delete.
25617 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25618 (GOT_TOC_REGNUM): Delete.
25619 (PIC_OFFSET_TABLE_REGNUM): Define.
25620 (FINALIZE_PIC): Disable.
25621 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25622 (rs6000_replace_regno): Delete.
25623 (rs6000_finalize_pic): Likewise.
25624 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25626 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25628 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25629 is a note; use <= for the compare; advance P while it is
25632 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25634 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25635 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25637 * varasm.c (remove_from_pending_weak_list): Verify t->name
25638 is non-NULL before passing it to strcmp.
25640 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25642 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25643 the typed arguments are not part of a comment
25644 (ioctl_fix_ctrl): Added a purpose comment
25645 *fixinc/fixincl.x: regenerate
25646 *fixinc/inclhack.sh: regenerate
25648 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25650 * invoke.texi: Add C4x invocation docs.
25652 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25654 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25656 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25658 (c4x_legitimize_reload_address): New function.
25659 * config/c4x/c4x.md: Update docs.
25661 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25663 * fixincludes: Avoid removing '.'.
25664 * fixinc/fixinc.svr4: Likewise.
25665 * fixinc/fixinc.winnt: Likewise.
25666 * fixinc/inclhack.tpl: Likewise.
25667 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25669 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25671 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25673 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25675 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25677 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25680 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25682 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25683 * configure: Regenerate.
25685 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25687 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25690 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25692 * fixinc/inclhack.def (avoid_bool): Also catch
25693 "typedef [unsigned] int bool".
25694 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25696 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25697 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25698 * configure: Rebuilt.
25700 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25702 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25703 such that we can override its definitions if necessary.
25704 (CPP_SPEC): New define. Support processor specific predefines via
25706 (CC1_SPEC): New define. Support processor specific compiler
25707 options via %(cc1_cpu).
25708 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25711 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25713 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25714 between sed's -e flag, and the open-quote following it.
25715 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25717 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25718 Jeffrey A Law (law@cygnus.com)
25720 * varasm.c (assemble_start_function): Remove the function
25721 from the pending weak decls list when we define a function.
25722 (assemble_variable): Similarly for variables.
25723 (weak_finish): Ignore items on the list with a NULL name.
25724 (remove_from_ending_weak_list); New function to "remove" an item
25725 from the pending weak declarations list.
25727 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25729 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25731 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25733 * c-lex.c (GETC): Redefine to call getch.
25734 (UNGETC): Redefine to call put_back.
25735 (putback_buffer): New structure type.
25736 (putback): New static structure.
25737 (getch): New function.
25738 (put_back): New function.
25739 (yylex): Replace unused bytes from bad multibyte character.
25741 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25743 * cpplib.c (do_define): Cast `alloca' return value.
25744 (do_include, do_undef, do_pragma): Likewise.
25745 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25747 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25748 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25750 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25752 * sparc.md (abstf2): This should be an expand.
25753 (split after abstf2_notv9): Fix mode.
25754 (abstf2_hq_v9): New pattern.
25755 (abstf2_v9): Only use when no hard quad.
25756 (absdf2_v9): Fix if target is not the same as source.
25757 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25758 Add correct output constraints.
25760 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25762 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25763 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25765 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25767 * mips.h (mips_output_conditional_branch): New function.
25768 (mips_adjust_insn_length): Likewise.
25769 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25770 (ADJUST_INSN_LENGTH): Likewise.
25771 * mips.c (print_operand): Add `F' and `W' for floating-point
25772 comparison opcodes.
25773 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25775 (mips_adjust_insn_length): New function.
25776 (mips_output_conditional_branch): New function.
25777 * mips.md (length): Adjust attribute definition to handle
25778 conditional branches. Change lengths to bytes, rather than
25779 instructions throughout. Remove length attribute from
25780 instructions whose length is four bytes, and rely on the default
25782 (dslot): Fix typo in comment.
25783 Reword conditional branch patterns to use
25784 mips_output_conditional_branch.
25786 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25788 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25789 (LIB_SPEC): Likewise.
25790 Link with -lprof1_r for -g/-pg.
25792 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25794 * loop.c (check_dbra_loop): Fix change of Jan 19.
25796 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25798 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25799 (STARTFILE_SPEC): Define, override the svr4.h version.
25800 (ENDFILE_SPEC): Likewise.
25802 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25804 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25805 * fixinc/fixincl.x: Regenerated.
25806 * fixinc/inclhack.sh: Regenerated.
25808 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25810 * sh.c (barrier_align): Don't return early for normal branch/barrier
25811 when optimizing for SH2.
25813 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25815 * i386/udk.h (LINK_SPEC): Correct linker search path for
25818 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25820 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25821 (braf_label_ref_operand): Delete.
25822 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25823 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25824 label_ref, and has no predicate.
25825 The patten has a predicate to guard against invalid substitutions.
25826 (dummy_jump): Delete.
25827 (casesi): Update use of casesi_jump_2.
25829 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25831 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25832 *fixinc/fixincl.x: regenerate
25833 *fixinc/inclhack.sh: regenerate
25835 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25837 * dwarf2out.c (add_incomplete_type): New fn.
25838 (gen_struct_or_union_type_die): Call it.
25839 (retry_incomplete_types): New fn.
25840 (dwarf2out_finish): Call it.
25842 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25844 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25845 current block starts with a CODE_LABEL and ends with a CALL and
25846 we can not find all the argument setup instructions for the CALL.
25848 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25850 Revert this change:
25851 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25852 something is a candidate for optimize_bit_field_compare.
25854 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25856 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25858 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25860 * alpha.c (override_options): Thinko in last patch.
25862 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25863 (LIB_SPEC): Recognize -pthread.
25865 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25867 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25868 definition in config/arm/coff.h
25869 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25871 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25873 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25874 fixes that need "file=xxx\n" prepended before invocation
25875 (start_fixer - new): starting the fixer process is complex enough
25876 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25877 (process): uses the new routine; omit usage of putenv()
25878 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25879 * fixinc/fixincl.x: regenerate
25881 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25883 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25884 and version #s (1.1 -> 2.96) as needed.
25885 * README.g77: Kill way out of date file in the toplevel directory.
25887 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25889 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25890 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25891 * configure: Rebuilt.
25892 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25893 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25894 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25895 (SWITCH_TAKES_ARG): Likewise.
25896 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25897 * config/t-freebsd: Moved from config/i386/ so it can used for all
25900 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25902 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25904 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25906 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25907 * configure: Rebuilt.
25909 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25911 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25912 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25913 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25914 (rs6000_output_load_toc_table): Same.
25915 (output_prolog, output_mi_thunk): Same.
25916 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25917 (ASM_GLOBALIZE_LABEL): Use putc.
25919 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25921 * alpha.md (reload_*_help): New patterns and splitters.
25922 (reload_*): Use them.
25923 (mov[qh]i): Likewise.
25925 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25927 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25930 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25932 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25934 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25936 * flow.c (mark_regs_live_at_end, insn_dead_p,
25937 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25938 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25939 hasn't run or the frame pointer is needed.
25940 * haifa-sched.c (attach_deaths): Likewise.
25941 * sched.c (attach_deaths): Likewise.
25943 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25945 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25946 calculate_can_reach_end returns nonzero.
25948 * configure.in (native gas tests): Search for an assembler in the
25949 same manner that the installed compiler will.
25950 * configure: Rebuilt.
25951 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25953 * alias.c (find_base_term): Improve handling of addresses
25954 constructed from binary operations.
25956 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25958 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25960 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25962 * function.h (cleanup_label, frame_offset): Declare.
25963 (tail_recursion_label, tail_recursion_reentry): Likewise.
25964 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25965 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25966 (tail_recursion_label, tail_recursion_reentry): Likewise.
25967 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25969 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25971 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25973 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25974 (MAX_OFILE_ALIGNMENT): Define.
25976 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25978 * fixincl.c: Replace local include scheme with #includes of
25979 gansidecl.h and system.h.
25980 * procopen.c: Likewise.
25981 * server.c: Likewise.
25983 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25985 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25986 (crti.o): Add build rule and dependencies.
25987 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25989 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25991 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25992 (LIB_LINUX_SPEC): Likewise.
25993 (LIB_LINUX_SPEC): Add support for -pthread
25994 (CPP_OS_LINUX_SPEC): Likewise.
25995 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25998 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26000 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26002 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26003 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26004 for IEEE math and CC_FCOMI.
26005 (put_jump_code): No IEEE if CC_FCOMI is set.
26007 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26009 * fold-const.c (fold_truthop): Make the field reference unsigned
26010 when converting a single bit compare.
26012 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26014 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26016 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26018 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26019 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26022 * reload.c (push_reload): Do not call remove_address_replacements
26023 when presented with identical optional reloads.
26025 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26027 * alpha.h (MASK_FIX, TARGET_FIX): New.
26028 (MASK_*): Reorganize constants.
26029 (CPP_AM_FIX_SPEC): New.
26030 (TARGET_SWITCHES): Add FIX.
26031 (EXTRA_SPECS): Likewise.
26032 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26033 (SECONDARY_MEMORY_NEEDED): Likewise.
26034 (REGISTER_MOVE_COST): Likewise.
26035 * alpha.c (override_options): Add FIX support. Always use
26036 ALPHA_TP_PROG for ev6.
26037 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26038 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26039 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26041 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26043 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26044 something is a candidate for optimize_bit_field_compare.
26046 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26048 * gcc.texi (Passes): Document branch-shortening.
26049 * invoke.texi (Debugging Options): Document the fact that `-dp'
26050 outputs length information for instructions.
26052 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26054 * flow.c: Revert previous delta.
26056 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26058 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26059 FRAME_POINTER_REGNUM.
26060 (mark_set_1): Ditto.
26061 (mark_used_regs): Ditto.
26063 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26065 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26066 (GOT_PCREL): New macro. Define to 1 if not already defined.
26067 * arm/elf.h (GOT_PCREL): Define to 0.
26068 * arm.c (arm_finalize_pic): Take into account the setting of
26071 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26073 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26074 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26076 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26077 store elimination candidates.
26079 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26081 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26084 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26086 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26087 Add use of x-aix41-gld.
26089 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26091 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26092 (ASM_OUTPUT_DESTRUCTOR): Define.
26094 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26096 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26097 last CODE_LABEL in a loop if we have previously passed a jump
26098 to the top of the loop.
26100 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26102 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26103 applying Philip's patch.
26105 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26107 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26110 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26112 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26114 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26116 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26117 Also remove a useless comment.
26119 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26121 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26123 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26125 * collect2.c (main): Only generate import or export file and add
26126 to link arguments if non-empty. Use xmalloc not alloca.
26127 (write_{export,import}_file): Delete.
26128 (write_aix_file): New function.
26129 (locatelib): Use xmalloc not malloc.
26130 (GCC_OK_SYMBOL): Do not check type if aix64.
26132 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26134 Based on patch by Scott Bambrough and Pat Beirne:
26135 * config/arm/arm.c (making_const_table): New variable.
26136 * config/arm/arm.h (making_const_table): Declare.
26137 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26139 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26140 Keep track of when we are building the constant table.
26142 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26144 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26147 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26149 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26152 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26154 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26157 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26159 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26161 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26163 * rs6000.c (output_mi_thunk): Enable full support again.
26165 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26167 * sh.h (BRANCH_COST): Define.
26169 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26171 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26173 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26175 * function.c (assign_stack_local): Align stack slot propertly.
26176 (assign_outer_stack_local): Likewise.
26178 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26180 * expr.h (lang_expand_constant): Declare.
26181 * toplev.c (lang_expand_constant): Define it.
26182 * varasm.c (output_constant): Use it.
26184 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26186 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26187 Change function definitions to K&R style.
26189 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26191 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26193 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26195 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26196 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26197 (several places): omit static initialization
26198 (process): use single fd, since only the read fd is used
26199 * fixinc/gnu-regex.c: define 'const' away, if not supported
26200 * fixinc/procopen.c(several places): omit static initialization
26201 * fixinc/server.c: define 'volitile' away, if not supported
26203 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26205 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26206 asm_fprintf and %L to generate the label name.
26207 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26208 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26210 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26212 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26213 insn for a conditional jump can not be found.
26215 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26217 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26218 on variables in specific sections other than .sbss and .sdata.
26220 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26222 * stmt.c (expand_return): Call start_cleanup_deferral and
26223 end_cleanup_deferral around conditional code.
26225 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26227 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26228 filename lists. Utilizes new "krstr" AutoGen function.
26229 * fixinc/fixincl.x: Rebuilt.
26231 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26233 * i386.c (output_float_compare): Avoid GNU-C extensions.
26235 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26237 * version.c: Bump to distinguish mainline tree from the
26240 See ChangeLog.1 for earlier changes.