1 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-tree.texi: Document representation of wide strings.
5 2001-04-01 Richard Henderson <rth@redhat.com>
7 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
9 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
11 * i386.md: remove obsoleted comments.
12 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
13 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
16 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
18 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
20 2001-03-30 Bernd Schmidt <bernds@redhat.com>
22 * loop.c (load_mems): When generating a load from a pseudo, update
25 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
27 * i386.c (ix86_split_long_move): Use change address to compensate
28 stack pointer change in push instruction.
30 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
32 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
33 instead of rtx_equal_p; fix the output template.
35 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
37 * i386.c (ix86_expand_setcc): Support 64bit.
38 (ix86_expand_int_movcc): Likewise.
39 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
42 * i386.md (allocate_stack_worker): Turn to expander.
43 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
45 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
47 2001-03-29 Richard Henderson <rth@redhat.com>
49 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
51 2001-03-28 Matthew Hiller <hiller@redhat.com>
53 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
56 * MAINTAINERS: Added self.
58 2001-03-28 Richard Henderson <rth@redhat.com>
60 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
61 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
63 2001-03-28 Jim Wilson <wilson@redhat.com>
65 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
68 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
70 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
72 * tradcif.y (yyerror): Likewise. Add format specifier in call to
75 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
77 2001-03-28 DJ Delorie <dj@redhat.com>
79 * Makefile.in (stage1_build): Revert CFLAGS patch.
81 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
83 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
84 when multiplier or multiplicand is zero.
86 2001-03-28 Bernd Schmidt <bernds@redhat.com>
88 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
90 * config/ia64/ia64.c (update_set_flags): New function, broken out of
92 (set_src_needs_barrier): Likewise.
93 (rtx_needs_barrier): For SET case, use these two functions. Rework
94 PARALLEL case to handle all inputs before all outputs.
95 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
96 saw a label and no stop bit since then.
97 (maybe_rotate, process_epilogue): Add prototypes.
99 2001-03-28 Richard Henderson <rth@redhat.com>
101 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
102 not TARGET_TOC for special toc restore handling.
103 * config/rs6000/rs6000.md (eh_return): Likewise.
105 2001-03-28 Richard Henderson <rth@redhat.com>
107 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
108 current_function_calls_eh_return.
109 (output_function_epilogue): Handle eh_return.
110 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
111 (EH_RETURN_DATA_REGNO): New.
112 (EH_RETURN_STACKADJ_RTX): New.
113 (EH_RETURN_HANDLER_RTX): New.
114 * config/sparc/sparc.md (call/short branch peepholes): Check
115 can_throw_internal instead of in_same_eh_region.
117 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
118 for eh_return data registers.
119 (rs6000_emit_prologue): Save eh_return data registers.
120 (rs6000_emit_epilogue): Force inline restores if eh_return.
121 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
122 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
123 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
124 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
126 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
127 (return_eh_si, return_eh_di): Remove.
128 (eh_return): New, from corpse of eh_epilogue.
129 (eh_set_lr_si, eh_set_lr_di): New.
131 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
132 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
133 True for pic register if current_function_calls_eh_return.
134 (ix86_expand_epilogue): Change "emit_return" argument into "style".
135 Handle eh_return requirements.
136 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
137 (EH_RETURN_STACKADJ_RTX): New.
138 * config/i386/i386.md (exception_receiver): Remove.
139 (eh_return, eh_return_1): New.
140 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
142 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
143 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
144 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
145 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
146 (EH_RETURN_DATA_REGNO): New.
147 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
148 * config/alpha/alpha.md (eh_epilogue): Remove.
149 (exception_receiver): Use $26 for ldgp input.
150 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
152 2001-03-28 Richard Henderson <rth@redhat.com>
154 * except.c: Rewrite entirely for IA-64 ABI exception handling.
155 * except.h: Likewise.
157 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
159 (LIB2FUNCS_EH): Remove.
160 (LIB2ADD): Remove LIB2ADDEH.
161 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
162 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
163 (crt{begin,end}[S].o): Likewise.
164 (except.o): Update includes.
165 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
166 (libgcc2_c_dep): Use LIB2ADDEHDEP.
168 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
169 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
170 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
171 * builtins.c (expand_builtin): Implement it.
172 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
173 * c-common.c (c_common_nodes_and_builtins): Declare it.
174 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
175 * calls.c (libfunc_nothrow): Remove.
176 (emit_library_call_value_1): Don't call it.
177 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
178 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
179 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
180 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
181 (current_funcdef_number): Globalize.
182 (output_call_frame_info): Emit frame data if an lsda is needed.
183 Generate augmentation for personality routine. Don't play with
185 (dwarf2out_begin_prologue): Record funcdef_number.
186 * dwarf2out.h (current_funcdef_number): Declare.
187 * expr.c (expand_expr): Update for except.h name changes.
188 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
189 * expr.h (LTI_throw, LTI_rethrow): Remove.
190 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
191 (LTI_eh_rtime_match): Remove.
192 (LTI_unwind_resume, LTI_eh_personality): Add.
193 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
194 * final.c (final): Don't call check_exception_handler_labels,
195 init_insn_eh_region, or free_insn_eh_region.
196 (final_scan_insn): Always emit debug labels for
197 NOTE_INSN_EH_REGION notes.
198 * flags.h (flag_new_exceptions): Remove.
199 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
200 (record_active_eh_regions): Remove.
201 (count_basic_blocks): Check all instructions for REG_EH_REGION.
202 Use can_throw_internal.
203 (find_basic_blocks_1): Likewise.
204 (move_stray_eh_region_notes): Remove.
205 (find_label_refs): No eh_return_stub_label.
206 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
207 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
209 (delete_unreachable_blocks): Don't track deleted handlers.
210 (flow_delete_block): Use maybe_remove_eh_handler.
211 (delete_eh_regions): Remove.
212 (merge_blocks): Don't check for eh region match.
213 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
214 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
215 (init_propagate_block_info): Disable dead frame store optimization
216 when current_function_calls_eh_return.
217 (dump_bb): Don't print eh_beg, eh_end.
218 * function.c (fixup_var_refs): No catch_clauses.
219 (expand_function_end): Likewise. Call expand_eh_return before
220 the return register use. Call sjlj_emit_function_exit_after.
221 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
222 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
223 * ifcvt.c (dead_or_predicable): Remove eh region check.
224 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
225 Don't check for EH vs parameters.
226 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
227 (expand_inline_function): Call duplicate_eh_regions.
228 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
229 (copy_insn_notes): Remap REG_EH_REGION notes.
230 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
231 * integrate.h (struct inline_remap): Add local_return_label.
232 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
233 check_exception_handler_labels, nor exception_optimize.
234 (find_cross_jump): No EH region check.
235 * optabs.c (init_optabs): Update for changed eh libfuncs.
236 * rtl.def (RESX): New.
237 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
238 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
239 checks. Update for except.h name changes.
240 (expand_cleanups): Likewise.
241 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
242 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
243 (compile_file): Call init_eh before init_optabs. Don't
244 output_exception_table here.
245 (rest_of_compilation): Call convert_from_eh_region_ranges,
246 convert_to_eh_region_ranges, output_function_exception_table.
247 Don't emit_eh_context.
248 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
251 * md.texi (eh_epilogue): Remove.
252 (eh_return): Document.
253 * tm.texi (EH_RETURN_DATA_REGNO): Document.
254 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
256 * eh-common.h: Remove file.
257 * frame-dwarf2.c, frame.c, frame.h: Remove files.
258 * libgcc2.c (L_eh): Remove.
260 * unwind-dw2-fde.c: New file, largely copied from frame.c.
261 * unwind-dw2-fde.h: New file.
262 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
263 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
264 * libgcc-std.ver: Update for eh symbols.
266 2001-03-27 Richard Henderson <rth@redhat.com>
268 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
269 reduce false positives.
270 (regmove_optimize): Disable if flag_non_call_exceptions.
272 * stmt.c (expand_return): Remove always true predicate.
273 (expand_decl_cleanup_no_eh): Remove dead code.
275 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
276 barrier code. Add a scheduling barrier if a non-call insn
277 can throw internally.
279 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
280 Auto-inc addresses trap only if their base register does.
282 * except.c (can_throw_internal): Rename from can_throw.
283 * except.h, resource.c: Update references.
285 * integrate.c (copy_insn_list): Use returnjump_p.
286 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
288 * function.h (struct function): Move all boolean valued fields
289 to single bit fields at the end of the struct.
291 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
293 Rename asynchronous_exceptions to flag_non_call_exceptions.
295 * gthr-single.h (UNUSED): New. Distinguish between how C
296 and C++ mark unused function arguments. Use throughout.
298 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
299 value to target configuration header.
300 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
301 * config.in, configure: Rebuild.
302 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
303 configuration and target defines.
304 (exceptions_via_longjmp): Remove.
305 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
306 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
308 * except.h (flag_non_call_exceptions): Move ...
311 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
312 exceptions, put the note on the trapping instruction.
314 * flags.h (flag_new_exceptions): Remove.
315 * toplev.c: Don't set it.
316 * final.c: Don't check it.
317 * except.c: Provide stub definition.
319 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
320 (calculate_global_regs_live): Kill call-clobbered registers
321 across exception edges.
322 * reg-stack.c (convert_regs_1): Kill the entire target stack
323 across non-call exception edges.
325 * flow.c (cleanup_cfg): Take no argument.
326 * output.h, sibcall.c, toplev.c: Update all calls.
328 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * configure.in: Don't check for bcopy.
331 * configure, config.in: Regenerate.
333 * system.h: Don't define or prototype bcopy, instead poison it.
335 2001-03-27 Richard Henderson <rth@redhat.com>
337 * function.c (expand_function_start): Set DECL_REGISTER on
338 a pseudo used for DECL_RESULT.
340 * rtl.h (LCT_NORETURN): New.
341 * calls.c (emit_library_call_value_1): Handle it.
343 2001-03-27 Stan Shebs <shebs@apple.com>
345 * objc/objc-act.c (objc_init): Use dump_base_name.
346 (gen_declaration): Clear the buffer arg.
347 (gen_declaration_1): New function, body of gen_declaration.
348 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
349 (gen_method_decl): Ditto, plus always clear buffer arg.
350 (error_with_ivar): Simplify.
351 (warn_with_method): Ditto.
352 (build_message_expr): Don't clear buffers.
353 (dump_interface): Ditto.
355 (build_keyword_selector): Clear the buffer by only zeroing
357 (objc_implementation_context): Declare.
358 (start_class): Warn about missing @end.
359 (finish_objc): Ditto.
361 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
363 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
365 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
367 * Makefile.in (SYSTEM_H): Define.
368 Depend on $(SYSTEM_H), not system.h.
370 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
372 2001-03-27 Jim Wilson <wilson@redhat.com>
374 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
376 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
377 (process_epilogue): New static function.
378 (process_set): Call process_epilogue instead of emitting .restore
380 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
382 * flow.c (struct reg_cond_life_info): New fields orig_condition
384 (init_propagate_block_info): Set new fields.
385 (mark_regno_cond_dead): Set and use new fields.
386 (flush_reg_cond_reg_1): Likewise.
387 (and_reg_cond, case AND): Check for redundant AND conditions.
388 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
391 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
393 * cppmacro.c (stringify_arg): Null terminate strings.
395 2001-03-27 Zack Weinberg <zackw@stanford.edu>
397 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
398 inclusion style. xm-m68hc11.h no longer exists.
399 * config/m68hc11/xm-m68hc11.h: Delete file.
400 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
402 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
403 Don't define GCC_VERSION, N_, or PARAMS; don't include
404 gansidecl.h or stdio.h. Define inhibit_libc here.
405 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
406 Delete code conditioned on #if GCC_VERSION == 2095.
408 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
409 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
410 Delete code conditioned on #if GCC_VERSION == 2095.
412 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
414 * system.h: Include symcat.h.
415 (STRINGIFY): Don't define.
417 * configure.in: Adjust comment.
419 * builtins.c: Use STRINGX, not STRINGIFY.
420 * gencheck.c: Likewise.
421 * gengenrtl.c: Likewise.
422 * protoize.c: Likewise.
424 * cpplex.c: Don't include symcat.h.
425 * cpplib.c: Likewise.
427 * gansidecl.h (HAVE_STRINGIZE): Don't define.
429 2001-03-27 Alan Modra <alan@linuxcare.com.au>
431 * c-typeck.c (digest_init): Fold init expression.
433 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
435 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
437 2001-03-27 Alan Modra <alan@linuxcare.com.au>
439 * except.c (eh_regs): Save results of build_pointer_type to a temp
440 as FUNCTION_VALUE macro may evaluate its args multiple times.
442 2001-03-26 Mark Mitchell <mark@codesourcery.com>
444 * c-common.h (DECL_NUM_STMTS): New macro.
445 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
447 (pushdecl): Likewise.
448 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
449 * integrate.c (expand_inline_function): Don't check
451 * print-tree.c (print_node): Don't print it.
452 * toplev.c (rest_of_compilation): Don't try to inline when
453 flag_no_inline is on.
454 * tree.h (DECL_FRAME_SIZE): Remove.
455 (tree_decl): Adjust accordingly.
457 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
459 * combine.c (try_combine): Use memcpy, not bcopy.
461 * genattrtab.c (expand_units): Likewise.
463 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
465 * i386.md (push mem DI peep2): New.
466 (mov 0, mov -1 peep2): Handle 64bit.
467 (lea to arithmetics peep2): Handle 64bit leas.
468 (rsp arithmetics to push/pop peep2s): New.
470 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
472 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
474 * i386.c (struct machine_function): Add save_varrargs_registers.
475 (ix86_save_varrargs_registers): New macro.
476 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
477 (ix86_expand_prologue): Likewise.
478 (ix86_emit_epilogue_esp_adjustement): Likewise.
479 (ix86_expand_epilogue): Likewise.
480 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
481 (pro_epilogue_adjust_stack_1): New insn.
482 (pro_epilogue_adjust_stack_rex64): Likewise.
483 * i386.h (MASK_NO_RED_ZONE): New constant.
484 (TARGET_RED_ZONE): New macro.
485 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
486 (RED_ZONE_SIZE): New constant.
487 (RED_ZONE_RESERVE): New constant.
489 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * toplev.c (set_float_handler): Use memcpy, not bcopy.
493 2001-03-25 Kazu Hirata <kazu@hxi.com>
495 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
501 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
503 * mkconfig.sh (DEFINES): Handle entries with '='.
505 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
506 Set xm_defines to MACRO=value instead.
508 * i370/xm-mvs.h: Delete.
510 * ns32k/xm-pc532-min.h: Likewise.
512 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
514 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
516 use ix86_expand_binary_operator
517 (?sh??i_?): Disable for 64bit.
518 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
519 * i386.c (shiftdi_operand): New predicate.
521 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
522 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
523 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
524 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
525 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
526 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
527 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
528 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
529 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
530 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
531 (rotldi3, rotrdi3): New expanders.
533 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
535 * i386.md (movstrsi): Move offline.
537 (strmovdi_rex64): New.
538 (strmov?i): Accept 64bit.
539 (strmov?i_rex64): New.
540 (strmov?i_rex_1): New.
541 (strmov?i_1): Disable for 64bit.
542 (rep_mov?i_rex64): New.
543 (rep_mov?i): Disable for 64bit.
544 (clrstrsi): Move offline.
545 (strset?i_rex64): New.
546 (strset?i: Accept 64bit.
547 (rep_stos?i): Disable for 64bit.
548 (rep_stos?i_rex64): New.
549 (strset?i_rex_1): New.
550 (strset?i_1): Disable for 64bit.
551 (cmpstrsi): Accept 64bit.
552 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
553 (cmpstrqi_nz_rex_1): New.
554 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
555 (strlensi): Move offline.
557 (strlenqi_1): Disable for 64bit; fix constraints.
558 (strlenqi_rex_1): New.
559 * i386.c (ix86_adjust_counter): New static function.
560 (ix86_zero_extend_to_Pmode): Likewise.
561 (ix86_expand_aligntest): Likweise.
562 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
563 (ix86_expand_movstr): New global function.
564 (ix86_expand_clrstr): New global function.
565 (ix86_expand_strlen): New global function.
566 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
567 ix86_expand_strlen): Declare.
568 (ix86_expand_strlensi_unroll_1): Delete.
570 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
572 * i386.md (cmpdi): Fix operand predicates.
573 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
574 cmpdi_1_insn_rex64): New patterns.
575 (adddi3): Turn to expander.
576 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
577 (addsi3_carry_zext): New pattern.
578 (adddi_?_rex64): New patterns and splitters.
579 (addsi_?_zext): New patterns.
580 (subsi3_carry_zext): New pattern.
581 (subdi_?_rex64): New patterns and splitters.
582 (iorsi_?_zext): New patterns.
583 (iordi_?_rex64): New patterns and splitters.
584 (iorsi_?_zext): New patterns.
585 (iorsi_?_zext_imm): New patterns.
586 (xorsi_?_zext): New patterns.
587 (xordi_?_rex64): New patterns and splitters.
588 (xorsi_?_zext): New patterns.
589 (negdi*): New patterns.
590 (one_cmpldi*): Likewise.
591 (one_cmplsi*_zext, negsi*_zext): Likewise.
592 (testqi_ext_3_rex64): New pattern.
594 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
596 * i386-protos.h (ix86_split_long_move): Return void.
597 * i386.c (ix86_split_to_parts): Handle 64bit target.
598 (ix86_split_long_move): Likewise.
599 * i386.md (all calls to ix86_split_long_move): Update.
601 2001-03-23 Richard Henderson <rth@redhat.com>
603 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
604 to avoid shadowing arguments.
606 2001-03-23 Jakub Jelinek <jakub@redhat.com>
608 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
609 to variable names where DECL_NAME is different from
612 2001-03-23 Jim Wilson <wilson@redhat.com>
614 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
615 (assemble_alias): Call make_decl_rtl.
617 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
619 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
621 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
623 * extend.texi: Document the "java_interface" attribute.
625 2001-03-22 Zack Weinberg <zackw@stanford.edu>
627 * mkconfig.sh: Use a subshell with redirected stdout,
628 instead of closing stdout and confusing commands that run
629 afterward. Throw away output of cmp.
631 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
633 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
635 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
637 * i386.md (zero_extendsidi2_32): Break out from ...
638 (zero_extendsidi2): ... here ; turn to expander.
639 (zero_extendsidi2_rex64): New.
640 (extendsidi2_32): Break out from ...
641 (extendsidi2): ... here ; turn to expander.
642 (extendsidi2_rex64): New.
643 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
644 (trunc?f?f splitters): Add 64bit versions.
646 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
648 * i386.md (pushsi, pushsi2_prologue): Disable.
649 (pushsi2_rex64): New.
650 (movabs?i_1_rex64, movabs?i_2_rex64): New.
651 (movqi_ext_1): Disable for 64bit.
652 (movqi_ext_1_rex64): New.
653 (pushdi2_rex64): New pattern, peep2s and splitter.
654 (pushdi2_prologue_rex64): New pattern.
655 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
657 (movdi splitters): Disable for 64bit.
658 (movdi_1_rex64): New pattern, peep2s and splitters.
659 (swapdi): New pattern.
660 (pushsf): Disable for 64bit.
661 (pushsf_rex64): New pattern and splitter.
662 (pushdf_nointeger): Disable for 64bit.
663 (pushdf_integer): Handle the 64bit case.
664 (pushtf): Likewise; update splitters.
666 2001-03-22 Richard Henderson <rth@redhat.com>
668 * mkconfig.sh: Include insn-flags.h.
669 * Makefile.in (CONFIG_H): Include insn-flags.h.
670 (lots of objects): Remove insn-codes.h and insn-flags.h.
672 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
673 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
674 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
675 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
676 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
677 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
678 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
679 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
680 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
681 v850/v850.c, vax/vax.c:
682 Don't include insn-flags.h.
684 * diagnostic.c, expr.h, reload.c, toplev.c:
685 Don't include insn-codes.h.
687 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
688 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
689 c4x/c4x.c, i960/i960.c, mips/mips.c:
690 Don't include insn-codes.h or insn-flags.h.
692 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
693 or insn-flags.h in the generated code.
694 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
695 (main): Forward declare struct rtx_def.
697 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
699 * invoke.texi (-ffast-math): Remove duplicate line about
702 * gcc.texi: Remove more obsolete documentation of bugs and
703 installation problems.
705 2001-03-21 Kazu Hirata <kazu@hxi.com>
707 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
710 2001-03-20 Jason Merrill <jason@redhat.com>
712 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
714 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
715 * varasm.c (CHKR_PREFIX): Likewise.
717 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
719 * gcse.c (hash_scan_set): An expression is not anticipatible if it
720 is part of a multi-SET insn.
722 * cse.c (find_comparison_args): Remove previous change.
723 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
726 * config/i386/i386.md (conditional_trap): Remove warning.
728 * recog.c (push_operand): Fix error in last change that caused
729 undefined symbol on many targets.
731 * sdbout.c: #include ggc.h.
732 (sdbout_init): Move to end of file.
733 Call ggc_add_tree_root for anonymous_types.
734 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
735 (sdbout_one_type): Use DECL_NAME for field name.
736 * Makefile.in (sdbout.o): Show includes ggc.h.
738 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
740 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
741 (override_options): Use properlimits for preferred_stack_boundary.
742 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
744 (ext_register_operand): Accept DImode.
745 (load_pic_register): Abort on 64bit.
746 (gen_push): Use Pmode instead of SImode.
747 (ix86_save_reg): Pic reg is never used on 64bit.
748 (ix86_expand_prologue): Likewise.
749 (ix86_emit_save_regs): Use Pmode instead of SImode.
750 (legitimate_address_p): Check displacement for 64bit.
751 (print_operand): Avoid outputting of (%rip) on 64bit.
752 (print_operand_address): Output (%rip) where possible.
753 (split_di): Abort on 64bit registers.
754 (ix86_expand_branch): DImode comparison is simple for x86_64.
755 (memory_address_length): Recognize memory addresses formed using
757 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
759 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
761 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
763 * recog.c (push_operand): Recognize new format of push instructions.
765 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
767 * i386.md (pushqi1): New.
768 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
769 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
770 x86_64_immediate_operand, x86_64_immediate_operand,
771 x86_64_zext_immediate_operand): Declare.
772 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
773 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
774 x86_64_immediate_operand, x86_64_immediate_operand,
775 x86_64_zext_immediate_operand): define.
776 * i386.h (PREDICATE_CODES): Add new predicates.
778 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
780 * i386.md (pophi1, popqi1, pushqi1): Remove.
782 * expr.c (emit_single_push_insn): New function.
783 (move_by_pieces): Accept NULL as destination for push instructions.
784 (gen_push_operand): Kill.
785 (emit_push_insn): Pass NULL when pushing; avoid updating of
787 * expr.h (gen_push_operand): Kill.
789 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
791 * rtl.texi (COMPARE): Clarify documentation and reference section
794 2001-03-20 Stan Shebs <shebs@apple.com>
796 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
797 (get_object_reference): Ditto.
798 (error_with_ivar): Use error_with_file_and_line.
799 (warn_with_method): Use warning_with_file_and_line.
801 2001-03-20 Tom Tromey <tromey@redhat.com>
803 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
805 2001-03-20 Mark Mitchell <mark@codesourcery.com>
807 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
808 variables that are TREE_PUBLIC, even if not TREE_STATIC.
810 2001-03-20 DJ Delorie <dj@redhat.com>
812 * Makefile.in (install-libgcc): Pass complete list of variables.
813 (install-multilib): Ditto.
815 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
817 * config/i386/cygwin.h: Declare ctor_section, dtor_section
818 drectve_section, switch_to_section.
820 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
821 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
822 i386_pe_mark_dllimport.
824 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
826 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
829 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
830 i386_pe_* functions with char * arguments.
832 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
834 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
836 (movsi_ie): Introduce fpul store.
838 2001-03-20 Alan Modra <alan@linuxcare.com.au>
840 * Makefile.in (OBJS): Remove hashtab.o.
842 2001-03-19 Stan Shebs <shebs@apple.com>
844 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
845 * c-lang.c (maybe_objc_method_name): Ditto.
846 * c-tree.h (maybe_objc_method_name): Remove decl.
848 2001-03-19 Tom Tromey <tromey@redhat.com>
850 * gcc.c (init_gcc_specs): Fix comment.
852 2001-03-19 Mark Mitchell <mark@codesourcery.com>
854 Compute DECL_ASSEMBLER_NAME lazily.
855 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
856 (DECL_ASSEMBLER_NAME_SET_P): New macro.
857 (SET_DECL_ASSEMBLER_NAME): Likewise.
858 (COPY_DECL_ASSEMBLER_NAME): Likewise.
859 (set_decl_assembler_name): Declare.
860 (lang_set_decl_assembler_name): Likewise.
861 * tree.c (lang_set_decl_assembler_name): New variab.e
862 (set_decl_assembler_name): New function.
863 (init_obstacks): Set lang_set_decl_assembler_name.
864 (build_decl): Don't set DECL_ASSEMBLER_NAME.
865 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
866 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
867 where it's not necessary.
868 (builtin_function): Likewise.
869 (finish_decl): Likewise.
870 * dbxout.c (dbxout_type_methods): Likewise.
871 * ggc-common.c (ggc_mark_trees): Likewise.
872 * profile.c (output_func_start_profiler): Likewise.
873 * varasm.c (make_decl_rtl): Likewise.
875 * cse.c (find_comparison_args): Update documentation. Fix
876 mishandling of COMPARE operations.
878 * tree.def (ABS_EXPR): Add documentation.
879 * fold-const.c (fold): Improve folding of ABS_EXPRs.
881 2001-03-19 Zack Weinberg <zackw@stanford.edu>
883 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
885 2001-03-19 Jakub Jelinek <jakub@redhat.com>
887 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
888 Remove ia32 linux PIC kludge and move it...
889 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
891 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
893 * i386.md (absdf2 expander): Fix 64bit case.
895 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
897 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
899 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
901 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
903 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
905 * README.X11: Remove obsolete file.
907 2001-03-18 Anthony Green <green@redhat.com>
909 * config/pj/pj.h: Remove some trailing commas.
910 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
912 2001-03-18 Richard Henderson <rth@redhat.com>
914 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
916 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
917 defaults for them here.
919 2001-03-17 Anthony Green <green@redhat.com>
921 * config/pj/lib1funcs.S: Fix broken comment.
922 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
925 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
927 * gcc.texi: Remove obsolete information relating to build and
928 installation problems with enquire or the Pyramid C compiler.
930 2001-03-17 Richard Henderson <rth@redhat.com>
932 * dwarf2out.c (queue_reg_save): New.
933 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
934 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
936 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
937 (cfa, cfa_store, cfa_temp): Make static.
938 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
940 2001-03-17 Richard Henderson <rth@redhat.com>
942 * integrate.h (struct inline_remap): Add local_return_label.
943 * integrate.c (expand_inline_function): Initialize it and emit
944 it after copy_insn_notes.
945 (copy_insn_list): Don't store local_return_label here.
946 (copy_insn_notes): New function split out from copy_insn_list.
948 2001-03-17 Richard Henderson <rth@redhat.com>
950 * dwarf2out.c (lookup_filename): Emit .file if the assembler
951 is generating .debug_line.
952 (dwarf2out_init): Add main_input_filename to the file table first.
953 * configure.in (as_dwarf2_debug_line): Test with file number 1
954 instead of file number 0.
956 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
958 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
959 (gen_rtx_combine): Deleted; all references changed as appropriate.
960 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
962 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
964 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
966 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
969 2001-03-16 Jim Wilson <wilson@redhat.com>
971 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
972 then set it to LOC_REG (79) instead of aborting.
974 2001-03-16 Phil Edwards <pme@sources.redhat.com>
976 * gccbug.in: Remove high priority.
978 2001-03-16 Richard Henerson <rth@redhat.com>
980 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
981 output with a space instead of deleting it.
982 * configure: Regenerate.
984 2001-03-16 Zack Weinberg <zackw@stanford.edu>
986 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
987 handles the gory details of converting an object file into
988 something that's safe to grep.
989 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
990 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
991 newlines at either end of the string we're looking for.
992 Make 'checking ...' message less stilted.
993 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
994 ARM in-memory layout and its hypothetical converse. Don't
995 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
996 HOST_WORDS_BIG_ENDIAN.
998 * configure.in: Adjust for renamed macro. Move
999 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
1000 * configure, config.in: Regenerate.
1002 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1004 * fixinc/Makefile.in: Set SHELL.
1006 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1008 * fixinc/fixincl.c (fix_with_system): Quote file names before
1009 passing them to shell.
1011 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1013 * Makefile.in: Use fix-header$(build_exeext) instead
1016 2001-03-16 Richard Henderson <rth@redhat.com>
1018 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1019 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1020 (size_of_line_prolog): Remove.
1021 (output_line_info): Compute prologue size via label difference.
1022 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1024 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1025 assembler error when redefining file numbers.
1026 * config.in, configure: Rebuild.
1028 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
1029 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
1030 (dw2_asm_output_delta_uleb128): Likewise.
1031 (dw2_asm_output_delta_sleb128): Similarly.
1032 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
1034 2001-03-16 Michael Meissner <meissner@redhat.com>
1036 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
1038 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
1040 (BITMASK_LOWER16): Replacement for 0x0000ffff.
1042 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
1043 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
1044 being unsigned in ISO C and signed in traditional.
1045 (expand_prologue): Ditto.
1046 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
1048 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
1050 (divsi3,divdi3): Ditto.
1051 (modsi3,moddi3): Ditto.
1052 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
1053 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
1054 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
1057 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
1059 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
1060 SSE based conditional moves on LTGT/UNEQ conditions;
1061 Canonicalize EQ to NE.
1062 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
1063 (sse_mov?fcc_ne): New.
1065 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
1067 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1069 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1070 register may be dead.
1072 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1074 * Makefile.in (hash.o): Depend on CONFIG_H.
1076 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1078 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1080 2001-03-15 Richard Henderson <rth@redhat.com>
1082 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
1083 (ASM_OUTPUT_DWARF_PCREL): New.
1084 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
1086 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1088 * cppfiles.c (stack_include_file): Use MAX of sysp.
1090 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1092 * config.gcc (ia64*-*-hpux*): New case.
1093 * config/ia64/hpux.h: New file for HP-UX support.
1094 * config/ia64/t-hpux: New file for HP-UX support.
1096 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1098 * fixinc/inclhack.def (irix_stdio_va_list): New.
1099 * fixinc/fixincl.x: Rebuilt.
1101 2001-03-15 Richard Henderson <rth@redhat.com>
1103 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
1104 if provided by the target.
1105 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
1106 (dw2_asm_output_addr): New.
1107 * dwarf2asm.h (dw2_asm_output_addr): Declare.
1108 * dwarf2out.c (output_cfi): Use it for program addresses.
1109 (output_call_frame_info, output_die): Likewise.
1110 (output_aranges, output_line_info): Likewise.
1112 2001-03-15 Bruce Korb <bkorb@gnu.org>
1114 * gcc.c(main): make more rigorous
1115 * collect2.c(main): guard against ignoring SIGCHLD
1116 * protoize.c(main): ditto
1117 * gcc/fixinc/fixincl.c(initialize): ditto
1119 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1121 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1122 (sdbout_parms): Likewise.
1124 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
1126 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1127 "widen" a destination that is already wider than a word. Also do
1128 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1130 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1132 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
1134 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
1136 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
1138 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
1140 * i960.h (i960_maxbitalignment,
1141 i960_last_maxbitalignment): Declare.
1142 * i960.c (i960_maxbitalignment,
1143 i960_last_maxbitalignment): Make global.
1144 (process_pragma): Delete.
1145 (i960_pr_align, i960_pr_noalign): Move from here ...
1146 * i960-c.c: ... to this new file.
1147 * t-960bare (i960-c.o): New rule.
1148 * t-vxworks960 (i960-c.o): Likewise.
1149 * config.gcc (i960-*-*): Define c_target_objs and
1152 2001-03-15 Bernd Schmidt <bernds@redhat.com>
1154 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
1155 without adding in rtx code and mode.
1157 * alias.c (init_alias_analysis): Don't use any rtx whose value
1158 varies as a known value.
1159 Delete a superfluous test.
1161 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
1163 (ia64_sched_reorder): Call maybe_rotate; also rotate after
1164 scheduling a stop bit.
1165 (ia64_emit_nops): Correctly handle ASMs.
1167 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1169 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
1171 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
1173 * cpp.texi: Update documentation for -include and -imacros.
1174 * cppfiles.c (struct include_file): Remove "defined" memeber.
1175 (find_or_create_entry): Make a copy of the file name, and
1177 (open_file): Update to ensure we use the simplified filename.
1178 (stack_include_file): Don't set search_from.
1179 (cpp_included): Don't simplify the path name here.
1180 (find_include_file): New prototype. Call search_from to
1181 get the start of the "" include chain. Don't simplify the
1183 (_cpp_execute_include): New prototype. Move diagnostics to
1184 do_include_common. Update.
1185 (_cpp_pop_file_buffer): Don't set defined.
1186 (search_from): New prototype. Use the preprocessor's cwd
1187 for files included from the command line.
1188 (read_name_map): Don't simplify the pathname here.
1189 * cpphash.h (enum include_type): New.
1190 (struct buffer): Delete search from. New search_cached.
1191 (_cpp_execute_include): Update prototype.
1192 * cppinit.c (do_includes): Use _cpp_execute_include.
1193 * cpplib.c (do_include_common): New function.
1194 (do_include, do_include_next, do_import): Use it.
1196 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1198 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
1199 contents of the RTL, to determine the name of the object.
1201 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1203 * tree.h (DECL_RTL): Allocate RTL lazily.
1204 (SET_DECL_RTL): New macro.
1205 (DECL_RTL_SET_P): Likewise.
1206 (COPY_DECL_RTL): Likewise.
1207 (DECL_RTL_IF_SET): Likewise.
1208 * varasm.c (make_decl_rtl): Add assertions about the kind of
1209 declaration we are processing.
1210 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
1211 (start_decl): Likewise.
1212 (finish_decl): Likewise.
1213 * c-semantics.c (emit_local_var): Likewise.
1214 * calls.c (expand_call): Likewise.
1215 * dbxout.c (dbxout_symbol): Likewise.
1216 * emit-rtl.c (unshare_all_rtl): Likewise.
1217 (unshare_all_decls): Likewise.
1218 (reset_used_decls): Likewise.
1219 * expr.c (store_constructor): Likewise.
1220 (safe_from_p): Likewise.
1221 (expand_expr): Likewise.
1222 * function.c (put_var_into_stack): Likewise.
1223 (instantiate_decls_1): Likewise.
1224 (assign_parms): Likewise.
1225 (expand_function_start): Likewise.
1226 (expand_function_end): Likewise.
1227 * ggc-common.c (gcc_mark_trees): Likewise.
1228 * integrate.c (function_cannot_inline_p): Likewise.
1229 (copy_decl_for_inlining): Likewise.
1230 (expand_inline_function): Likewise.
1231 (integrate_parm_decls): Likewise.
1232 (integrate_decl_tree): Likewise.
1233 * print-tree.c (print_node): Likewise.
1234 * reg-stack.c (stack_result): Likewise.
1235 * stmt.c (label_rtx): Likewise.
1236 (expand_return): Likewise.
1237 (expand_decl): Likewise.
1238 (expand_decl_cleanup): Likewise.
1239 (expand_anon_union_decl): Likewise.
1240 * toplev.c (check_global_declarations): Likewise.
1241 (rest_of_decl_compilation): Likewise.
1242 * tree.c (simple_cst_equal): Likewise.
1243 * objc/objc-act.c (generate_static_references): Likewise.
1245 2001-03-14 Zack Weinberg <zackw@stanford.edu>
1247 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
1248 gcc_AC_C_FLOAT_FORMAT): New macros.
1249 * configure.in: Add AC_PROG_CPP after CC tests;
1250 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
1251 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
1252 * configure, config.in: Regenerate.
1254 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
1255 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1256 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1257 config/i370/xm-linux.h, config/i370/xm-oe.h,
1258 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1259 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
1260 config/pa/xm-linux.h, config/pa/xm-pa.h,
1261 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
1262 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
1263 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
1264 config/we32k/xm-we32k.h: Delete.
1266 * config/i370/xm-mvs.h, config/m88k/m88k.h,
1267 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1268 config/vax/xm-vms.h: Don't define any of:
1269 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
1271 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
1273 * config.gcc: Remove references to deleted files.
1274 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
1275 FATAL_EXIT_CODE, which is the same between oe and mvs).
1277 2001-03-14 DJ Delorie <dj@redhat.com>
1278 Vladimir Makarov <vmakarov@redhat.com>
1280 * config/i960/i960.c (i960_function_prologue): Compute size of
1281 frame according to number of registers actually saved there.
1283 2001-03-14 Richard Henderson <rth@redhat.com>
1285 * expr.c (emit_move_insn_1): Fix else if around #endif.
1287 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
1290 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
1293 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
1295 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
1296 (override_options): Parse cmodel string.
1297 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
1298 * i386.h (TARGET_OPTIONS): Add "cmodel".
1299 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
1301 (ix86_cmodel_string, ix86_cmodel): Declare.
1303 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
1306 * i386.h (GENERAL_REG_P): Add missing REG_P.
1308 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
1310 * configure.in: Use $gcc_cv_as instead of $as.
1311 * configure: Regenerated.
1313 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
1315 * cppfiles.c (stack_include_file): Only increase the include
1316 count if we actually process the file properly, as opposed
1317 to treating it as length zero. Only call read_include_file
1318 if not DO_NOT_REREAD. Handle the -H include file output
1320 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1321 (cpp_included, find_include_file): Simplify pathnames after
1322 remapping them. If remapping, don't use the remapped file
1323 name's buffer as our scratch buffer.
1324 (cpp_pop_file_buffer): Replace the multiple include macro
1325 only if it isn't yet set.
1326 (read_name_map): Simplify remapped names when reading in.
1327 (remap_filename): Move code to code path that uses it.
1328 (_cpp_simplify_pathname): Return the input pointer.
1329 * cpphash.h (_cpp_simplify_pathname): Update prototype.
1331 2001-03-14 Mark Mitchell <mark@codesourcery.com>
1333 * expr.c (expand_expr): Revove bogus conditional.
1335 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
1337 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
1339 2001-03-14 Jakub Jelinek <jakub@redhat.com>
1341 * reg-stack.c (stack_result): Unconditionally use
1342 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
1344 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
1346 * expr.c (emit_move_insn_1): Split push of complex value when
1347 no suitable push instruction exist.
1349 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
1350 instead of QI_REG_P.
1352 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1354 * alias.c (handled_component_p, can_address_p): New functions.
1355 (get_alias_set): Use them.
1357 2001-03-13 Jim Wilson <wilson@redhat.com>
1359 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
1360 from 80 in try_locals code.
1361 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
1363 2001-03-13 Zack Weinberg <zackw@stanford.edu>
1365 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
1366 gcc_AC_C_LONG_LONG): New.
1367 * configure.in: Use them. Probe the size of short, int, long,
1368 and long long/__int64 if we have them. Move all the AC_C_*
1369 checks together, except gcc_AC_C_CHAR_BIT which has to go
1370 after AC_CHECK_HEADERS(limits.h).
1371 Take hwint.h out of host_xm_file and build_xm_file.
1373 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
1374 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
1375 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
1376 Move the HOST_WIDEST_INT setup logic here from system.h.
1377 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
1379 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
1380 is now handled by hwint.h.
1382 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
1383 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
1384 config/ia64/xm-ia64.h: Don't define any of:
1385 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
1386 HOST_BITS_PER_LONGLONG.
1388 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
1389 config/h8300/xm-h8300.h, config/mips/iris6.h,
1390 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
1391 config/sparc/xm-sp64.h: Delete.
1392 * config.gcc: Remove references to deleted files.
1394 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
1395 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
1396 * config/i370/xm-linux.h: Clarify floating-point situation in
1399 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
1401 * cppfiles.c (NO_INCLUDE_PATH): New macro.
1402 (find_include_file): Decide here which part of the include
1403 chain to start the search. Complain about an empty include
1404 chain in all cases apart from an abolsute file name.
1405 (_cpp_execute_include): Don't choose the search chain here.
1406 Don't call handle_missing_include in the case of an empty
1408 (_cpp_compare_file_date): Don't choose the search chain here.
1409 * cpplib.c (do_include_next): Move the in-main-file diagnostic
1410 here from _cpp_execute_include. Behave like #include if
1411 we're in the main file.
1413 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1415 * system.h (malloc, realloc, calloc, strdup): Only poison these
1416 tokens when IN_GCC is defined.
1418 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
1420 * i386.md (abs?f expander): Support SSE case.
1421 (abd?f_if): Add new "USE"; add splitters.
1423 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1425 * cpp.texi (poison): Explain the macro expansion exception.
1427 2001-03-13 Jakub Jelinek <jakub@redhat.com>
1429 * expr.c (store_expr): Add dont_store_target. If temp is already in
1430 target before copying to reg, don't store it into target again.
1432 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1434 * cppinternals.texi: Update for file handling.
1436 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1438 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
1439 2001-02-24 which broke building the Java library.
1440 * function.c (identify_blocks): Likewise.
1441 (all_blocks): Likewise.
1442 * integrate.c (integrate_decl_tree): Likewise.
1443 * print-tree.c (print_node): Likewise.
1444 * tree.h (BLOCK_NUMBER): Likewise.
1445 (struct tree_block): Likewise.
1447 2001-03-12 David Edelsohn <edelsohn@gnu.org>
1449 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1450 __WCHAR_TYPE__ definition.
1451 (WCHAR_TYPE_SIZE): #undef before #define.
1453 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1455 * cppfiles.c: Update comments.
1456 (destroy_include_file_node): Rename destroy_node.
1457 (find_or_create_entry): New function.
1458 (open_file, _cpp_fake_include): Use it.
1459 (handle_missing_header): New function, broken out of
1460 _cpp_execute include. Don't segfault if there is no
1461 system or quoted path.
1462 (_cpp_execute_include): Use handle_missing_header.
1464 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
1466 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
1467 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
1469 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1471 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
1472 unless anti_dependence says they are.
1473 * alias.c (objects_must_conflict): If neither has a type specified,
1476 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
1477 David Billinghurst <David.Billinghurst@riotinto.com>
1479 * config/mips/iris5.h: Change WCHAR_TYPE to int.
1481 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
1483 * i386.md (trunctfdf2_2): Rename missnamed pattern.
1484 (*_one_bit): Remove type on the match_operand in attributes.
1486 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
1488 * i386.c: Commit forgotten hunk in previous patch.
1489 (regclass_map): Add extended registers.
1490 (dbx_register_map): Add missing frame register.
1492 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
1494 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
1496 * i386.md (x86_sahf_1): Disable for 64bit.
1497 (popsi*, pophi*): Likewise.
1498 (pushqi, pushhi): Likewise.
1499 (movdi, pushdi): Likewise.
1500 (zero extend DImode splitter): Likewise.
1501 (adddi, minusdi splitter): Likewise.
1502 (umulsidi): Likewise.
1504 (mulsidi): Disable for 64bit
1505 (lshift:DI/ashift:DI): Disable for 64bit.
1506 (loop patterns): Likewise.
1507 (call_pop, call_value_pop expanders and patterns): Likewise.
1508 (prologue_get_pc): Likewise.
1510 (fcmovDI pattern and splitter): Likewise.
1511 (movdfcc_1_rex64): New.
1513 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
1515 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
1516 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
1517 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
1518 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
1519 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
1520 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
1521 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
1522 (PUSH_ROUNDING): x86_64 rounds to 64bits.
1523 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
1524 (REGPARM_MAX): Set to 6 for x86_64.
1525 (SSE_REGPARM_MAX): Set to 16 for x86_64.
1526 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
1529 * (patterns that does use upper halves): Update constraints
1530 'q' to 'Q' and 'r' to 'R'.
1531 (cmpqi_ext_1): Disable for 64bit.
1532 (cmpqi_ext_3_insn): Likewise.
1533 (movqi_extzv_1): Likewsie.
1534 (addqi_ext_1): Liekwsie
1535 (testqi_ext_1): Liekwsie
1536 (andqi_ext_1): Liekwsie
1537 (xorqi_ext_1): Liekwsie
1538 (cmpqi_ext_1_rex64): New.
1539 (cmpqi_ext_3_insn_rex64): Likewise.
1540 (movqi_extzv_1_rex64): Likewsie.
1541 (addqi_ext_1_rex64): Liekwsie
1542 (testqi_ext_1_rex64): Liekwsie
1543 (andqi_ext_1_rex64): Liekwsie
1544 (xorqi_ext_1_rex64): Liekwsie
1546 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1548 * configure.in: Move check for unsigned enumerated bitfields
1549 to macro in aclocal.m4. Disable it for now.
1550 * configure, config.in: Regenerate.
1551 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
1552 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
1553 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
1554 kind above its first use.
1556 * config/xm-interix.h, config/alpha/xm-alpha.h,
1557 config/i370/xm-linux.h, config/i386/xm-beos.h,
1558 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
1559 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1560 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
1561 Don't define ONLY_INT_FIELDS under any circumstances.
1563 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
1565 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1566 config/sparc/xm-sysv4.h: Delete - now identical with some
1568 * config.gcc (hppa targets): Replace xm-pahpux.h and
1569 xm-papro.h with implicit xm-pa.h.
1570 (sparc targets): Replace xm-sysv4.h with implicit or explicit
1573 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
1575 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
1576 before reload_cse_noop_set_p.
1578 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1580 * config.gcc: Where xm-host.h used to include another
1581 xm-host.h, list the nested header directly in xm_file. Remove
1582 references to deleted files. Can now use sparc/xm-sp64.h for
1585 * config/xm-linux.h, config/arm/xm-linux.h,
1586 config/i386/xm-dos.h, config/i386/xm-gnu.h,
1587 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
1588 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
1589 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
1590 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1593 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1594 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1595 bother to wrap #undef in #ifdef.
1596 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1597 Don't include xm-linux.h.
1598 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1600 * configure.in: Wrap regexps using [] in changequote block.
1601 Use expr : not echo | grep. Simplify regexps.
1602 * configure: Regenerate.
1604 56 xm-files remain, 22 xm-arch.
1606 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1608 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1609 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1610 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1611 (copy_object): Fix format specifier vs argument mismatch.
1613 * mips-tdump.c: Make local functions static.
1614 (rindex): Don't #undef.
1615 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1616 (fatal, fancy_abort): Delete.
1617 (read_seek): Avoid signed/unsigned compare.
1619 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1621 * combine.c (try_combine): Fix error in change to try original
1623 (gen_rtx_combine): Do same as gen_rtx for now.
1625 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1627 * configure.in: AC_SUBST xm_defines.
1628 * configure: Regenerate.
1629 * Makefile.in: Set DEFINES=$(xm_defines) when building
1632 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1634 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1635 (cpp_included, find_include_file): Update.
1636 (_cpp_compare_file_date): Make else unconditional.
1638 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1640 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1642 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1644 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1645 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1647 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1649 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1650 if it's a record type.
1652 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1654 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1655 mingw includes slightly.
1657 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1659 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1660 #undef token before poisoning it.
1662 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1664 * alpha.c (check_float_value): Use memcpy, not bcopy.
1666 * m32r.c (m32r_sched_reorder): Likewise.
1668 * vax.c (check_float_value): Likewise.
1670 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1672 * toplev.c (file_name_nondirectory): Remove.
1673 * toplev.h: Similarly.
1674 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1675 of file_name_nondirectory.
1677 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1679 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1680 * mips-tfile.c: Don't #undef rindex; not used.
1682 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1684 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1685 (dbx64_register_map): Declare.
1686 (RETURN_ADDR_RTX): Fix for 64bit.
1687 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1688 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1689 * i386.c (dbx64_register_map): New global array.
1690 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1691 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1694 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1696 * cppfiles.c (search_from): Use lbasename.
1697 * mkdeps.c (deps_add_default_target): Use lbasename.
1699 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1701 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1702 xcalloc in lieu of malloc, realloc & calloc.
1704 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1706 * gengenrtl.c (xmalloc): Likewise.
1708 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1709 really_call_* memory allocation routines.
1711 * stmt.c (check_for_full_enumeration_handling): Use
1712 really_call_calloc, not calloc.
1714 * system.h (really_call_malloc, really_call_calloc,
1715 really_call_realloc): Define.
1716 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1718 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1720 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1722 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1724 * configure: Rebuilt.
1725 * configure.in: Only use `lang_requires' for languages athat are
1728 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1730 * invoke.texi: Fix typo.
1731 * gcc.1: Regenerate.
1733 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1735 * configure.in: Prune nonexistent files from build_xm_file,
1736 xm_file, and host_xm_file lists. Warn unless they're
1738 Don't generate *config.h here.
1739 AC_SUBST all variables needed to generate *config.h.
1740 * configure: Regenerate.
1741 * mkconfig.sh: New helper script, from code removed from
1743 * Makefile.in: Zap all MALLOC variables - no longer used
1744 anywhere, and malloc.c doesn't exist.
1745 Substitute in variables needed to generate *config.h.
1746 Stop lying about the dependencies contained in CONFIG_H and
1748 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1749 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1750 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1751 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1752 $(TM_P_H), etc. as appropriate.
1754 * config.gcc: Zap references to deleted files.
1755 * ggc-none.c: Don't include rtl.h or tm_p.h.
1757 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1758 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1759 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1760 config/i386/xm-linux.h, config/i386/xm-linux.h,
1761 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1762 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1763 Don't include i386/xm-i386.h.
1765 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1766 config/i386/xm-i386.h, config/i860/xm-i860.h,
1767 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1768 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1769 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1770 Delete (empty except comments, #includes of other deleted
1771 files, and macros used nowhere).
1773 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1775 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1776 independent on TARGET_FLAGS.
1778 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1780 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1782 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1784 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1786 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1787 LAST_REX_SSE_REG): define.
1788 (enum reg_class): Add 'LEGACY_REGS'
1789 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1790 (SSE_REGNO_P): Recognize extended registers.
1791 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1792 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1793 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1794 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1795 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1796 REG_OK_FOR_STRREG_P): Remove.
1797 (HI_REGISTER_NAMES): Add extended registers.
1798 (ADDITIONAL_REGISTER_NAMES): Likewise.
1799 (QI_REGISTER_NAMES): Add 8bit extended registers.
1800 (DEBUG_REG): Support extended registers.
1801 * i386.c (regclass_map): Add extended registers.
1802 (dbx_register-map): Likewise.
1803 (svr4_dbx_register_map): Likewise.
1804 (print_reg): Support extended registers.
1805 (print_operand): Support 64bit operands.
1807 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1809 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1810 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1811 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1812 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1813 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1814 STACK_BOUNDARY): Set properly for 64bits.
1815 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1816 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1817 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1818 (MOVE_MAX): Set to 16.
1819 (MOVE_MAX_PIECES): 8 for 64bit.
1820 (Pmode): Set to SImode.
1822 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1824 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1826 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1828 * i386.h (mask_64bit): New constant.
1829 (target_64bit): New macro.
1830 (target_options): Add '64'/'32'
1831 (target_default): Define.
1832 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1833 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1834 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1836 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1838 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1840 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1842 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1843 LO_SUM unless for_alias is set.
1845 2001-03-08 Stan Shebs <shebs@apple.com>
1847 * objc/objc-act.c: Fix old typos in comments, add comments for
1849 (hash_init): Fix file name in error message.
1850 (hash_enter): Ditto.
1851 (hash_add_attr): Ditto.
1852 (continue_class): Ditto.
1854 2001-03-08 Bruce Korb <bkorb@gnu.org>
1856 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1857 wait4() can receive the signal.
1859 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1861 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1863 * fixinc/fixincl.x: Regenerate.
1865 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1867 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1869 * fixinc/fixincl.x: Regenerate.
1871 2001-03-08 Richard Henderson <rth@redhat.com>
1873 * configure.in (HAVE_AS_LEB128): New assembler check.
1874 * configure, config.in: Rebuilt.
1876 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1878 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1881 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1883 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1884 references to the MAXPATHLEN macro.
1886 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1887 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1890 * config/i386/xm-gnu.h, config/xm-gnu.h,
1891 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1892 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1893 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1894 and/or unused files.
1896 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1897 doing so in various xm-*.h files.
1899 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1901 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1903 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1905 * configure.in (enable_shared): Support per-package shared-library
1907 * configure: Rebuilt.
1909 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1911 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1912 for crnot. Set operands[5] in splitter.
1914 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1916 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1917 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1918 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1919 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1920 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1921 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1922 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1925 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1926 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1927 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1928 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1929 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1930 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1931 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1932 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1933 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1934 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1935 Delete unused and/or empty files.
1937 * config.gcc: Define USG in xm_defines as appropriate. Define
1938 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1939 macro. Remove deleted xm-* files from $xm_files variable.
1941 2001-03-07 Tom Tromey <tromey@redhat.com>
1943 * configure: Rebuilt.
1944 * configure.in: Allow config-lang.in to set `lang_requires' to list
1945 of other required languages.
1947 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1949 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1951 (output_prologue): Use xmalloc not oballoc.
1952 (output_epilog): Free a29k_first_epilogue_insn when finished.
1953 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1955 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1957 * builtins.c (expand_builtin_mathfn): Check
1958 flag_unsafe_math_optimizations, not flag_fast_math.
1959 (expand_builtin): Likewise
1960 * combine.c (combine_simplify_rtx): Likewise.
1961 (simplify_if_then_else): Likewise.
1962 * cse.c (fold_rtx): Likewise.
1963 * flags.h: Remove flag_fast_math. Add
1964 flag_unsafe_math_optimizations and flag_trapping_math.
1965 * fold-const.c (negate_expr): Check
1966 flag_unsafe_math_optimizations, not flag_fast_math.
1967 (invert_truthvalue): Likewise.
1968 (fold): Likewise. Before associating operands, check that
1969 code == MULT_EXPR, not code != MULT_EXPR.
1970 * ifcvt.c (noce_try_minmax): Check
1971 flag_unsafe_math_optimizations, not flag_fast_math.
1972 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1973 * invoke.texi: Document -funsafe-math-optimizations and
1974 -fno-trapping-math. Change documentation for -ffast-math.
1975 * jump.c (reversed_comparison_code_parts): Likewise.
1976 (rtx_equal_for_thread_p): Likewise.
1977 * optabs.c (emit_conditional_move): Likewise.
1978 * simplify-rtx.c (simplify_binary_operation): Likewise.
1979 (simplify_relational_operation): Likewise.
1980 (simplify_ternary_operation): Likewise.
1981 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1982 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1983 Add trapping-math and unsafe-math-optimizations entries to f_options.
1984 (set_fast_math_flags): New, sets flags for -ffast-math.
1985 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1986 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1987 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1989 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1990 (alpha_emit_conditional_move): Initialize local_fast_math to
1991 flag_unsafe_math_optimizations, not flat_fast_math.
1992 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1993 instead of setting flag_fast_math to 1.
1994 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1996 * config/i386/i386.c (override_options): Likewise
1997 * config/i386/i386.md: Likewise.
1998 * config/m68k/m68k.md: Likewise.
1999 * config/mips/mips.md: Likewise.
2000 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
2001 (rs6000_generate_compare): Likewise.
2003 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2005 * Makefile.in: Set RANLIB to @RANLIB@.
2008 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2010 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2011 * fixinc/fixincl.x: Regenerated.
2013 2001-03-07 Richard Henderson <rth@redhat.com>
2015 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2017 2001-03-07 Richard Henderson <rth@redhat.com>
2019 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
2020 of block notes and exception handling notes.
2022 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
2023 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
2024 (compile_file): ... here.
2026 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2028 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
2030 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
2031 config.h now. Include libiberty.h to handle alloca.
2033 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2035 * c-parse.in (yylexname): New function, split out of _yylex.
2036 (objc_rid_sans_at): New table.
2037 (init_reswords): Initialize it.
2038 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2039 retrieving the next token and checking it for significance as
2040 an ObjC keyword or string constant.
2042 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2043 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2045 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2048 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2050 * config/m68k/m68k.c (const_uint32_operand): Accept any
2051 const_int on a 32-bit host.
2053 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2055 * objc/objc-act.c (init_objc): Set save_lang_status,
2056 restore_lang_status, and mark_lang_status.
2058 2001-03-06 Krister Walfridsson <cato@df.lth.se>
2060 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
2062 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2064 * cppinternals.texi: Update.
2066 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2068 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2069 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
2070 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
2071 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2072 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
2073 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2074 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
2075 config/i386/xm-i386.h, config/i860/xm-i860.h,
2076 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2077 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
2078 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2079 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2080 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2081 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2082 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
2083 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
2084 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
2085 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2086 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2087 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
2088 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
2089 match the defaults provided in hwint.h.
2091 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2092 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
2094 * config.gcc (xm_file): Don't set to files which are deleted.
2096 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
2097 guard this file against these macros being undefined.
2099 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2101 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
2102 and DECL_DEFER_OUTPUT on the decl we create, before calling
2103 rest_of_decl_compilation.
2105 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2107 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
2109 * configure, config.in: Regenerate.
2110 * config.gcc: Remove references to deleted files.
2112 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
2113 genrecog.c, rtl.c: Do not use alloca anywhere.
2115 * Makefile.in, build-make, system.h, config/x-interix,
2116 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
2117 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
2118 config/arc/xm-arc.h, config/arm/xm-arm.h,
2119 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2120 config/h8300/xm-h8300.h, config/i370/x-oe,
2121 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
2122 config/i386/x-ncr3000, config/i386/x-sco5,
2123 config/i386/xm-dgux.h, config/i860/x-sysv4,
2124 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
2125 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
2126 config/m68k/x-hp320g, config/m69k/x-mot3300,
2127 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
2128 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
2129 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
2130 config/m88k/x-sysv4, config/m88k/x-tekXD88,
2131 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2132 config/mips/x-iris, config/mips/x-iris3,
2133 config/mips/x-sni-svr4, config/mips/x-sysv,
2134 config/mips/xm-iris6.h, config/mips/xm-mips.h,
2135 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
2136 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
2137 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2138 config/pa/xm-papro.h, config/romp/xm-romp.h,
2139 config/rs6000/x-aix31, config/rs6000/x-aix41,
2140 config/rs6000/x-beos, config/rs6000/x-lynx,
2141 config/rs6000/x-mach, config/rs6000/x-rs6000,
2142 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
2143 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2144 config/sparc/x-sysv4, config/sparc/xm-linux.h,
2145 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
2146 config/vax/xm-vms.h: Eradicate all references to alloca and
2149 * config/xm-alloca.h, config/clipper/x-clix,
2150 config/i386/xm-sysv4.h, config/i860/x-fx2800,
2151 config/i860/x-sysv3, config/m88k/x-sysv3,
2152 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
2153 (contained only alloca related hacks).
2155 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
2158 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2160 * invoke.texi: Document __FAST_MATH__.
2162 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2164 * crtstuff.c: Restore include of auto-host.h.
2166 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
2168 Put main() in a separate file, so that the language
2169 front-end can use a different main().
2172 * toplev.c: (main): Rename as toplev_main.
2173 * toplev.h: Declare toplev_main.
2174 * Makefile.in (OBJS): add toplev.o.
2175 (BACKEND): remove toplev.o, add main.o.
2177 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2179 * cppfiles.c (search_from): Special case the empty string.
2181 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
2183 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
2184 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
2185 strlen or strcpy; we already know the length.
2186 (_cpp_compare_file_date): Similarly.
2187 * cpphash.h (struct cpp_reader): Delete done_initialising.
2188 (CPP_PREV_BUFFER): Delete.
2189 * cppinit.c (cpp_start_read): Don't set done_initialising.
2190 * cpplex.c (parse_string): Guarantee null-termination.
2191 (_cpp_equiv_toklists): Remove.
2192 * cpplib.c (glue_header_name): Null-terminate.
2193 (do_line): Don't leak memory.
2194 * cpplib.h (BT_WEAK): Delete.
2195 * cppmain.c (cb_ident): Strings are now null-terminated.
2197 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
2199 * gcc.c (convert_filename): Append executable suffix
2200 if NO_AUTO_EXE_SUFFIX is not defined.
2201 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2202 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2204 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2206 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2207 * c-parse.gperf, c-gperf.h: Delete.
2208 (c-gperf.h was accidently re-added to the CVS repo in the rev
2209 1.16 commit by tromey)
2211 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2213 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2214 macro arguments when looking for the '('.
2215 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2216 2 when really parsing arguments; 1 when looking for '('.
2217 Always restore the lexer position.
2219 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2221 * longlong.h (umul_ppmm): Don't use a multiline string.
2223 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2225 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2226 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2227 t_bool in declaration because pcc can't combine volatile with typedef
2230 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
2232 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
2233 until when it is really needed.
2234 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
2235 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
2236 * i386.md (float?i?f splitter): Don't force source operand to memory
2238 (sse_movdfcc): Fix constraint.
2239 (sse_movdfcc splitter): Handle properly the second alternative.
2241 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2243 * cpplex.c (parse_string): Unconditionally pedwarn.
2245 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2248 * cppexp.c (parse_number): Update.
2249 * cpplex.c (parse_string): Pedwarn if multiline string does not
2250 result from a system header's macro.
2251 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2252 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2253 for function-like macros too.
2254 * c-lex.c (lex_number): Update.
2256 2001-03-03 Richard Henderson <rth@redhat.com>
2258 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
2260 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
2262 * combine.c (try_combine): If split with mode-changed scratch
2263 register didn't work, try the original mode.
2265 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
2267 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
2268 * config/c4x/c4x.h: Likewise.
2269 * stor-layout.c (compute_record_mode): Likewise.
2270 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
2272 2001-03-02 Zack Weinberg <zackw@stanford.edu>
2274 * configure.in: Kill tm.h. Include the files in the $tm_file
2275 list in all three of config.h, hconfig.h, tconfig.h, after the
2276 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
2277 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
2278 * configure: Regenerate.
2279 * Makefile.in (clean): Don't delete tm.h.
2281 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
2282 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
2283 those are not defined, set SEC and FEC to 0 and 1.
2284 * gcc.texi: Update to match.
2286 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
2287 * config/fp-bit.c, config/m68k/aux-crt2.asm,
2288 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
2289 Include tconfig.h, not tm.h.
2291 * config/xm-lynx.h, config/xm-std32.h,
2292 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
2293 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
2294 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
2295 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2296 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2297 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2298 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
2299 config/i386/xm-i386.h, config/i860/xm-i860.h,
2300 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
2301 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
2302 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
2303 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
2304 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
2305 config/pa/xm-linux.h, config/pa/xm-pa.h,
2306 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
2307 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
2308 config/pj/xm-pj.h, config/romp/xm-romp.h,
2309 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2310 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2311 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2312 config/v850/xm-v850.h, config/vax/xm-vax.h,
2313 config/we32k/xm-we32k.h:
2315 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
2317 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
2318 config/i370/xm-oe.h: Don't include tm.h. Don't define
2320 * config/vax/xm-vms.h: Don't include tm.h.
2322 * config/xm-lynx.h, config/avr/xm-avr.h,
2323 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
2324 Delete; made empty by above changes.
2325 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
2326 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
2327 Don't include config/xm-lynx.h or tm.h.
2329 * config/xm-gnu.h: Don't include fcntl.h.
2330 * config/sparc/xm-lynx.h: Don't include sys/types.h and
2332 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
2334 2001-03-02 Richard Henderson <rth@redhat.com>
2336 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
2337 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
2339 2001-03-02 Richard Henderson <rth@redhat.com>
2341 * Makefile.in (OBJS): Add dwarf2asm.o.
2342 * dwarf2asm.c, dwarf2asm.h: New files.
2343 * dwarf2out.c (*): Use them.
2344 (size_of_uleb128, size_of_sleb128): Remove.
2345 (output_uleb128, output_sleb128): Remove.
2346 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
2347 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
2348 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
2349 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
2350 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
2351 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
2352 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
2353 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
2354 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
2355 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2356 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
2357 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
2358 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
2359 (dwarf2out_frame_debug): Remove unused variables.
2360 (output_loc_operands): Don't abort on 8 byte constants if
2361 host integers are wide enough.
2362 (output_symbolic_ref): Remove.
2363 (size_of_die): Don't assume 4 byte host integers.
2364 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
2366 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
2367 something stupid with HOST_WIDE_INT to long truncation.
2368 [CONST_DOUBLE]: Likewise.
2370 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
2371 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
2372 * config/arm/unknown-elf.h: Likewise.
2373 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
2374 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
2375 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
2376 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
2377 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
2378 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
2379 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
2380 (ASM_OUTPUT_DWARF_OFFSET): Remove.
2381 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
2382 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
2383 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
2384 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
2386 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2388 * cselib.c (hash_rtx): Cast enums to unsigned int.
2390 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2392 * print-rtl.c (print_rtx): Cast enums to int for comparison.
2393 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
2395 * c-format.c (C_STD_VER): Cast to int for comparisons.
2396 (check_function_format): Cast various enums to int for &.
2397 (maybe_read_dollar_number): Likewise.
2398 (check_format_info): Likewise.
2399 (check_format_info_main): Likewise.
2400 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
2401 (safe_from_p): Likewise.
2402 * varasm.c (const_hash): Cast enum to int for %.
2403 * emit-rtl.c (init_emit_once): Use int loop variable to work around
2404 pcc enum problems with < and ++ operators.
2405 * regclass.c (init_reg_sets_1): Cast enums for comparison.
2406 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
2407 (regclass_init): Change enum class to int to iterate over reg_classes.
2408 * genrecog.c (merge_trees): Cast enums for comparison.
2409 * rtl.h (GET_CODE): Cast to enum rtx_code.
2410 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
2411 (GET_MODE): Cast to enum machine_mode.
2412 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
2413 (GET_NOTE_INSN_NAME): Cast enum to int.
2414 * tree.h (TREE_CODE): Cast to enum tree_code.
2415 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
2416 * timevar.c (timevar_print): Change loop variable id from enum to
2418 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2419 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2420 * toplev.c (compile_file): Cast enum DFI to int.
2421 (decode_d_option): Likewise.
2423 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2425 * cppinit.c (append_include_chain): Mark "after" include file name list
2426 as a system directory.
2427 * cpp.texi: Document new behavior.
2429 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
2431 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
2433 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
2435 * cppfiles.c (struct include_file): Update.
2436 (stack_include_file): Use search_from.
2437 (cpp_included, find_include_file): Update.
2438 (cpp_execute_include): Update. ptr->name may not be
2439 null terminated. Use the new search_from member variable
2441 (_cpp_compare_file_date): Similarly.
2442 (search_from): New function, similiar to actual_directory.
2443 (actual_directory): Delete.
2444 (remap_filename): Update. loc->name may not be null terminated.
2445 (struct file_name_list): Rename search_path. Update.
2446 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
2447 search_from and dir.
2448 (struct cpp_reader): Remove actual_dirs.
2449 * cppinit.c (struct cpp_pending): Update for renamed objects.
2450 (append_include_chain, remove_dup_dir, remove_dup_dirs,
2451 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
2452 * cpplib.h (struct cpp_options): Similarly.
2454 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2456 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
2457 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
2458 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2459 config/clipper/xm-clix.h, config/convex/xm-convex.h,
2460 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
2461 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
2462 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
2463 config/i370/xm-linux.h, config/i370/xm-mvs.h,
2464 config/i370/xm-oe.h, config/i386/xm-aix.h,
2465 config/i386/xm-i386.h, config/i386/xm-osf.h,
2466 config/i860/xm-i860.h, config/i960/xm-i960.h,
2467 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
2468 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
2469 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
2470 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
2471 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
2472 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
2473 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
2474 config/pj/xm-pj.h, config/romp/xm-romp.h,
2475 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
2476 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
2477 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
2478 config/v850/xm-v850.h, config/vax/xm-vax.h,
2479 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
2480 Do not define TRUE or FALSE.
2482 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
2483 empty by above change.
2484 * config.gcc: Remove references to these files.
2486 * configure.in: Detect stdbool.h.
2487 * configure, config.in: Regenerate.
2488 * system.h: Include stddef.h here if available.
2489 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
2490 Then set up a sensible boolean type at the very end.
2492 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2493 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
2495 * hash.h: Delete 'boolean' typedef and related #undefs.
2497 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
2498 all uses of 'boolean' with 'bool'.
2500 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2502 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2503 * cppexp.c (lex): Cast enums for comparison.
2504 * cppinit.c (parse_option): Cast enum for comparison.
2505 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2506 (cpp_output_token): Likewise.
2507 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2508 (cpp_avoid_paste): Cast enums for minus and comparison.
2510 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2512 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
2513 field to all array elements.
2515 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2517 * cpphash.h (struct cpp_reader): Add print_version field.
2518 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2519 just set print_version and other flags as appropriate.
2520 (cpp_post_options): Print version here if print_version is set.
2522 * toplev.c (exit_after_options): New flag.
2523 (independent_decode_option): Don't exit here; just set
2525 (main): Exit after calling lang_hooks.post_options if
2526 exit_after_options is true.
2528 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2529 (merge_include_chains): Adjust comment to match code.
2531 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2533 * stringpool.c (set_identifier): New function.
2534 * tree.h: Prototype it.
2536 * c-parse.in: Kill D_YES. If compiled for objc, call
2537 save_and_forget_protocol_qualifiers from init_reswords.
2538 * objc/objc-act.c (remember_protocol_qualifiers,
2539 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2540 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2542 (save_and_forget_protocol_qualifiers): New function.
2543 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2545 2001-03-01 Diego Novillo <dnovillo@redhat.com>
2547 * c-semantics.c (prune_unused_decls): Return error_mark_node
2548 instead of (tree) 1 to stop traversing the tree chain.
2550 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2552 Fix a problem introduced by Kenner's Feb 18 change.
2553 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
2554 flag_cse_skip_blocks only temporarily, not for ever.
2556 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
2558 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2559 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2561 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2562 before determining its register class.
2564 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2566 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2567 from reg 4 if current_function_calls_setjmp.
2568 (gen_nop_type): New function.
2569 (ia64_emit_nops): New function.
2570 (ia64_reorg): Call it.
2571 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2573 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2574 code not to try to optimize adds with anything but a REG destination.
2576 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2577 (INSN_PRIORITY_KNOWN): New accessor macro.
2578 * haifa-sched.c (priority): Use it instead of testing priority against
2581 2001-02-28 DJ Delorie <dj@redhat.com>
2583 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
2584 since that doesn't work the way gcc wants on a generic m68k.
2586 2001-02-28 Richard Henderson <rth@redhat.com>
2588 * caller-save.c (save_call_clobbered_regs): Fix typo in
2589 comparison last change.
2591 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2593 * i386.c (pentium4_cost): New.
2594 (m_PENT4): New macro.
2595 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2596 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2597 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2598 x86_memory_mismatch_stall): Add Pentium4
2599 (x86_use_q_reg, x86_use_any_reg): Kill.
2600 (override_options): Add pentium4.
2601 (incdec_operand): Return 0 for pentium4.
2602 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2603 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2604 (TARGET_PENTIUM4): Define.
2605 (enum processor_type): Add PROCESSOR_PENTIUM4.
2606 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2607 * i386.md (attribute "cpu"): Add pentium4.
2608 * invoke.texi (march): Add pentium4.
2610 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2612 * i386.md (sse_mov?fcc*): New patterns and splitters.
2613 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2614 the SSE based conditional moves.
2616 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2618 * i386.md (attribute mode): Add "TI".
2619 (movsf_1): Add pxor support; remove constant propagation splitter.
2620 (movdf_integer): Likewise.
2621 (movdf_nointeger): Likewise.
2622 (movxf constant prop splitter): Handle all modes; update for SSE.
2623 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2624 * i386.c (standard_80387_constant_p): Rewrite.
2625 (standard_sse_constant_p): New.
2626 * i386-protos.h (standard_sse_constant_p): New.
2628 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2630 * i386.md (sse_setccsf, sse_setccdf): New.
2631 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2633 * i386.c (sse_comparison_operator): Accept the supported unordered
2634 comparses; be ready for fast_math.
2635 (print_operand): Support 'D'.
2637 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2639 * jump.c (reversed_comparison_code): Kill.
2641 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2643 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2646 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2648 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2649 add missing '%' in constraints.
2651 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2653 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2654 for HOST_BITS_PER_WIDE_INT == 32 too.
2656 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2658 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2660 (insert_save, insert_restore): New parameter save_mode.
2661 (init_caller_save): Update initialization of reg_save_code
2662 and reg_restore_code.
2663 (save_call_clobbered_regs): Compute save_modes and update calls to
2664 reg_save_code and reg_restore_code.
2665 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2666 of spill; update use of reg_restore_code.
2667 (insert_save): Likewise.
2668 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2669 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2670 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2672 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2674 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2675 noce_try_store_flag_inc, noce_try_store_flag_mask,
2676 noce_try_cmove_arith):
2677 Use reversed_comparison_code instead of reverse_comparison and
2678 can_reverse_comparison_p.
2680 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2682 * jump.c (reversed_comparison_code_parts): Allow reversal of
2683 unordered compares in -ffast-math mode; reverse ordered compares
2684 for FP even w/o -ffast-math.
2686 2001-02-27 Richard Henderson <rth@redhat.com>
2688 * print-rtl.c (print_rtx) [i]: Don't print field five on
2689 NOTEs other than NOTE_INSN_DELETED_LABEL.
2691 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2693 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2694 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2696 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2698 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2699 even if walk_subtrees is 0.
2700 * c-semantics.c (prune_unused_decls): Return a non-null value to
2701 stop traversing the tree chain.
2703 2001-02-27 DJ Delorie <dj@redhat.com>
2705 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2706 register, *then* define it as the new CFA.
2708 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2710 * pa.c (override_options): Promote -fpic to -fPIC.
2711 (legitimize_pic_address): Simplify due to removal of
2712 small PIC as a code generation option.
2713 (secondary_reload_class): Similarly.
2714 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2715 (PRINT_OPERAND_ADDRESS): Similarly.
2716 * pa.md (various patterns): Similarly.
2717 (small pic lo_sum pattern): Remove.
2719 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2722 * md.texi (min, max): Document
2724 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2726 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2727 TARGET_PARTIAL_REG_DEPENDENCY.
2728 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2730 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2732 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2734 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2736 * mips.c (mips_make_temp_file): Fix thinko in last change.
2738 2001-02-26 Jason Eckhardt <jle@redhat.com>
2740 * combine.c (known_cond): Do not reverse the condition when
2741 SMAX/UMAX is being considered and the condition is for equality
2744 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2746 2001-02-26 Philip Blundell <philb@gnu.org>
2748 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2750 * config/arm/linux-elf.h: Remove historical relics related to
2751 above configurations.
2752 * config/arm/linux-oldld.h: Delete.
2753 * config/arm/linux-elf26.h: Delete.
2755 2001-02-26 Jason Merrill <jason@redhat.com>
2757 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2759 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2760 recognize a tentative definition. Lose obsolete code.
2762 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2763 variables unless necessary, either.
2765 2001-02-25 Richard Henderson <rth@redhat.com>
2767 * ifcvt.c (struct noce_if_info): Add test_bb.
2768 (noce_get_alt_condition): New.
2769 (noce_try_minmax, noce_try_abs): New.
2770 (noce_operand_ok): New.
2771 (noce_process_if_block): Use them.
2772 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2774 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2776 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2779 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2781 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2782 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2784 (mips_asm_file_end): Free temp_filename here.
2786 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2788 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2789 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2791 * config/i386/i386.md (movstrsi): Handle FAIL case.
2793 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2795 * cppinit.c (builtin_array): Update.
2796 (init_builtins): Flag builtins to warn if redefined or
2797 undefined. Define __GXX_WEAK as a normal macro.
2798 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2799 * cpplib.h (NODE_WARN): New flag.
2800 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2801 Handle __STDC__ as a builtin only on Solaris.
2802 (warn_of_redefinition): Renamed from check_macro_definition.
2803 Reverse sense of test. Always warn if NODE_WARN.
2804 (_cpp_create_definition): Use warn_of_redefinition. Flag
2805 any macro beginning with "__STDC_" to require a mandatory
2806 warning if redefined or undefined.
2808 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2810 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2811 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2812 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2813 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2814 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2815 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2816 Don't define any of:
2817 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2818 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2819 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2820 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2821 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2823 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2824 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2827 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2828 Delete now-empty file.
2830 * alpha/vms.h: Define NEED_ATEXIT here...
2831 * alpha/xm-vms.h: ...not here.
2833 * i386/cygwin.h: Don't define PARAMS.
2834 * mips/mips.c: Don't prototype mktemp. Don't define
2835 P_tmpdir. Use make_temp_file to create temporary files.
2836 Don't be clever and delete temporary files early.
2837 * config.gcc: Drop references to deleted files. Don't define
2839 * gcc.texi: Don't mention USE_PROTOTYPES.
2841 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2843 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2844 (ix86_set_move_mem_attrs_1): Likewise.
2845 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2846 * config/i386/i386.md (movstrsi): Call it.
2848 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2850 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2851 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2852 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2853 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2855 (i750a-*-*): Error here if hosting on i750a.
2856 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2858 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2859 Remove (empty modulo comments).
2861 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2862 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2863 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2864 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2865 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2866 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2868 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2869 Remove reference to winnt.h in comment.
2870 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2872 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2874 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2875 used to set another biv.
2877 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2879 * tree.h (BLOCK_DEAD): New macro.
2880 (struct tree_block): New flag, dead_flag.
2881 * print-tree.c (print_node, case 'b'): Print missing fields.
2882 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2883 * function.c (identify_blocks): Enable test for misplaced notes.
2884 (all_blocks): Skip BLOCK_DEAD blocks.
2885 * integrate.c (integrate_decl_tree): Likewise.
2887 * errors.c (internal_error, trim_filename): New functions.
2888 (fancy_abort): Call internal_error.
2889 * errors.h (internal_error, trim_filename): New declarations.
2891 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2893 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2895 (EXTRA_CONSTRAINT): Formatting changes.
2897 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2899 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2901 2001-02-23 Per Bothner <per@bothner.com>
2903 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2904 so they can be called from java/jvspec.c.
2905 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2907 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2909 * i386.c (ix86_frame): New structure.
2910 (ix86_compute_frame_size): Kill.
2911 (ix86_compute_frame_layout): New.
2912 (ix86_save_reg): New.
2913 (ix86_can_use_return_insn_p): Use frame layout stuff.
2914 (ix86_expand_prologue): Likewise.
2915 (ix86_expand_epilogue): Likewise.
2916 (ix86_initial_elimination_offset): Likewise.
2917 (ix86_nsaved_regs): Use ix86_save_reg.
2918 (ix86_emit_save_regs): Likewise.
2920 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2922 * flow.c (find_sub_basic_blocks): New function.
2923 (split_block): Be ready for basic block introduced by CODE_LABEL.
2924 (commit_one_edge_insertion): Call find_sub_basic_block.
2926 * flow.c (make_edges): Add edge from entry for blocks starting with
2927 label having ALTERNATE_NAME
2929 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2931 * function.c (epilogue_done): Be ready for first basic block not
2932 containing PROLOGUE_END note.
2933 (reposition_prologue_and_epilogue_notes): Avoid placing
2934 PROLOGUE_END note between BASIC_BLOCK.
2936 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2938 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2940 2001-02-21 DJ Delorie <dj@redhat.com>
2942 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2943 check for current_function_has_nonlocal_goto from 1999-11-12.
2945 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2947 * diagnostic.c (trim_filename): No longer static.
2948 * toplev.h (trim_filename): Declare.
2949 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2950 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2951 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2952 (rtvec_check_failed_bounds): Likewise.
2953 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2955 * convert.c (convert_to_integer): Don't do unsigned unless result or
2956 both inputs are unsigned.
2958 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2961 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2963 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2965 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2967 * Makefile.in (resource.o): Add params.h dependence.
2968 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2969 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2970 * resource.c: Add dependence on params.h.
2971 (current_live_regs): Fix explanatory comment.
2972 (find_basic_block): Add new parameter to permit limiting search
2974 (mark_target_live_regs): Add new argument to find_basic_block call.
2975 (incr_ticks_for_insn): Likewise.
2977 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2979 * diagnostic.c (output_to_stream): Rename to
2980 output_buffer_to_stream. Loses the stream parameter.
2981 (init_output_buffer): Set diagnosic_buffer's stream.
2982 (flush_diagnostic_buffer): Adjust.
2983 (default_print_error_function): Likewise.
2984 (finish_diagnostic): Likewise.
2985 (verbatim): Likewise.
2987 * diagnostic.h (struct output_buffer): Add `stream' field.
2988 (output_buffer_attached_stream): New macro.
2990 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2992 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2993 check if either operand is divisible by C.
2994 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2995 If type is signed, consider negative numbers as well.
2997 2001-02-22 Richard Henderson <rth@redhat.com>
2999 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
3000 reach .text instead of gp-relative relocs.
3001 * config/ia64/crtend.asm (.init): Likewise.
3003 2001-02-22 Andreas Jaeger <aj@suse.de>
3005 * extend.texi (C++ Attributes): Fix typo.
3007 2001-02-21 David Mosberger <davidm@hpl.hp.com>
3009 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
3010 functions, drop current_function_args_info.words test.
3011 (ia64_compute_frame_size): Mark syscall_linkage functions as
3012 using eight input registers.
3014 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
3015 Bruce Korb <bkorb@gnu.org>
3017 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
3018 * fixinc/README: Document how to convert sed substitutions
3019 to format style c_fix-es.
3020 * fixinc/fixincl.x: regen
3022 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
3024 * gcc.c: Add comment explaining how to add a command-line option.
3025 Add title to specs language comment.
3027 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3029 * gcc.c (cc1_options): Add "-param".
3030 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3031 (option_map): Likewise.
3032 * toplev.c (display_help): Add entry for "--param".
3033 (independent_decode_option): Fix typographical error.
3035 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
3036 Bernd Schmidt <bernds@redhat.com>
3037 Jan Hubicka <jh@suse.cz>
3039 * i386.c (function_arg_advance): Pass SSE arguments in registers.
3040 (function_arg): Likewise.
3042 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
3044 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
3046 2001-02-21 Kazu Hirata <kazu@hxi.com>
3048 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
3052 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
3054 * flow.c (init_propagate_block_info): Canon address and use single_set
3055 for killing dead memory stores.
3057 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
3059 * Makefile.in (reorg.o): Add params.h dependence.
3060 * params.def: Fix typographical error in comment.
3061 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3062 * params.h: Modify introductory comment.
3063 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
3064 * reorg.c: Add dependence on params.h.
3065 (redundant_insn): Add parameterized throttle for search.
3066 (fill_simple_delay_slots): Add a comment explaining a variable.
3067 Move conditional out of loop, simplifying code.
3068 (fill_eager_delay_slots): Fix typographical error in comment.
3070 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
3072 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
3074 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
3075 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
3077 2001-02-21 Jason Merrill <jason@redhat.com>
3079 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
3080 (struct tree_decl): Add uninlinable bitfield.
3081 * c-decl.c (duplicate_decls): Set it.
3082 * integrate.c (function_cannot_inline_p): Check it.
3084 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
3085 DW_AT_MIPS_linkage_name to abstract methods.
3086 (dwarf2out_abstract_function): Emit class context before calling
3087 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
3088 (gen_subprogram_die): Remove obsolete code.
3089 (gen_member_die): Don't include clones in the member list.
3090 (gen_decl_die): Emit abstract info for clone origin.
3091 * dwarfout.c (output_type): Don't include clones in the member list.
3092 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
3093 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
3094 DECL_ABSTRACT on a function that already has it set.
3096 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
3097 (get_subprogram_die): Pass it in.
3099 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
3101 * flow.c (mark_set_1): Make not_dead unsigned long. For
3102 non-pseudos, use it as a bitmask of the hard regs that
3105 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
3107 * cppfiles.c: Update comments.
3108 (_cpp_read_file): Don't check for NULL filenames any more.
3109 * cppinit.c (cpp_start_read): Don't do canonicalization of
3110 in_fname and out_fname. Use the passed file name exclusively.
3111 (_cpp_handle_options): Don't treat "-" as a command line option,
3112 but as a normal filename.
3113 (_cpp_post_options): Canonicalize in_fname and out_fname.
3114 * cppmain.c (printer_init): Don't check out_fname for NULL.
3115 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
3116 (init_c_lex): Update, and use "" to represent stdin to CPP.
3119 2001-02-20 Will Cohen <wcohen@redhat.com>
3121 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
3122 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
3123 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
3126 2001-02-20 Stan Shebs <shebs@apple.com>
3128 * config/rs6000/rs6000.c (output_cbranch): Output branches
3129 on separate lines instead of using ';' to separate.
3131 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
3133 * cppinit.c (set_lang): Move builtin handling to...
3134 (init_builtins): ...here.
3135 (_cpp_create_reader): Move call to set_lang.
3137 2001-02-20 Mark Mitchell <mark@codesourcery.com>
3139 * stmt.c (expand_return): If an attempt is made to return the
3140 error_mar_node, treat the return like a return without a value.
3142 2001-02-19 Zack Weinberg <zackw@stanford.edu>
3144 * sibcall.c (skip_copy_to_return_value): Call
3145 identify_call_return_value here, and return orig_insn if it
3146 returns zero. Hardret and softret arguments now unnecessary.
3147 (call_ends_block_p): Don't call identify_call_return_value here.
3149 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
3151 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
3152 * ggc.h (ggc_mark_if_gcable): Delete prototype.
3154 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
3156 * pa.c (move_operand): Accept code to load the address of a
3157 symbol out of the DLT as a valid move operand.
3158 (print_operand, case 'A'): New to handle generating a DLT
3159 reference for a LO_SUM expression.
3160 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
3161 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
3163 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
3165 * README, cpp.texi, gcc.texi, version.c: Update version number to
3167 * cpp.1, gcov.1, gcc.1: Regenerate.
3169 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
3171 * cppfiles.c (stack_include_file): Generate dependencies
3172 here, and manage include_count here too.
3173 (PRINT_THIS_DEP): Delete.
3174 (_cpp_execute_include): Do not generate dependencies here,
3175 apart from the case of a missing header. Do not manage
3177 (_cpp_read_file): Leave dependency generation to
3180 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3182 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
3183 target_cpu_default. Remove dead assignment to
3186 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
3188 * regclass.c (contains_reg_of_mode): Make global.
3189 (init_reg_sets): Remove contains_reg_of_mode; take into account
3190 CLASS_MAX_NREGS when looking for the proper mode.
3191 (dump_regclass): Dump only classes considered for the pseudo.
3192 (regclass): Use contains_reg_of_mode.
3194 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
3196 * gcc.c (do_spec_1): 'n' for printing notices.
3197 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
3199 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
3201 * reg-stack.c (next_flags_user): Use current_block->end
3202 (swap_rtx_condition): Look for next user if flags don't die;
3203 give up on CALL_INSNs; use current_block->end.
3205 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3207 * sibcall.c (call_ends_block_p): New function.
3208 (optimize_sibling_and_tail_recursive_call): Use it.
3210 2001-02-18 Kazu Hirata <kazu@hxi.com>
3212 * config/h8300/h8300.md: Update copyright.
3213 (andsi3): Do not output an extra newline character.
3215 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3217 * toplev.c (note_deferral_of_defined_inlined_function): Argument
3218 FNDECL may be unused.
3220 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
3221 follow jumps after first run.
3222 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
3223 it doesn't change any jumps.
3225 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
3227 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
3228 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
3229 (mostlyclean): Corresponding changes.
3230 * rtlanal.c (hard-reg-set.h): Include.
3231 (rtx_unstable_p): Do not treat the argument pointer specially
3232 if it is not a fixed register.
3233 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
3235 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3237 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
3238 against last real insn in basic block.
3239 Rework to avoid gotos.
3241 * Makefile.in (gcse.o): Now includes ggc.h.
3242 * gcse.c: Include ggc.h.
3243 (want_to_gcse_p): Verify expression can be in SET as valid insn.
3244 (try_replace_reg): Remove warning of uninitialize variable.
3245 (process_insert_insn): Call invalid_insn_p to validate insn.
3246 * recog.c (insn_invalid_p): Now global.
3247 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
3248 * recog.h (insn_invalid_p): New declaration.
3250 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
3252 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
3253 assignments from FP constants since 'Y' output code can't handle it.
3254 (eligible_for_sibcall_delay): Likewise.
3256 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
3257 Call fancy_abort directly, passing args.
3258 (print_rtl_and_abort): Now a macro, like fancy_abort.
3260 * final.c (output_operand_lossage): Use internal_error, not error.
3262 2001-02-18 Shane Nay <shane@agendacomputing.com>
3264 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
3265 structure shift insns.
3267 2001-02-18 Mark Mitchell <mark@codesourcery.com>
3269 * invoke.texi (-fsquangle): Remove documentation.
3270 (-fname-mangling-version): Likewise.
3272 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
3274 * optabs.c (expand_abs): Remove reference to
3275 HAVE_contitional_arithmetic.
3276 * combine.c (simplify_set): Likewise.
3278 2001-02-18 Richard Henderson <rth@redhat.com>
3280 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
3283 2001-02-18 Richard Henderson <rth@redhat.com>
3285 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
3287 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
3289 * reload1.c (reload_cse_simplify_set): Fix typo.
3291 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3293 * diagnostic.c (_fatal_insn): Decrement errorcount.
3295 * invoke.texi (-I): Add note avoiding use for system header files.
3297 * rtl.h (add_clobbers): Remove duplicate declaration.
3298 * recog.h (added_clobbers_hard_reg_p): New declaration.
3299 * genemit.c (struct clobber_pat): New field has_hard_reg.
3300 (gen_insn): Record if added clobbers clobber hard reg.
3301 (gen_split): Avoid unused warning if number of operands is 0.
3302 (output_added_clobbers_hard_reg_p): New function.
3305 2001-02-18 Alan Modra <alan@linuxcare.com.au>
3307 * pa.c (hppa_expand_prologue): Simplify code storing return
3308 pointer. For large (>=8k) frames with a post_store, adjust stack
3309 pointer by 8k-64 first rather than by 64. When testing with
3310 VAL_14_BITS_P, always use the actual value rather than the value
3311 negated. Add blockage to prevent scheduling of spills before
3312 stack frame has been created.
3313 (hppa_expand_epilogue): Simplify code loading return pointer.
3314 Allow a slightly larger range for merge_sp_adjust_with_load case.
3315 When testing with VAL_14_BITS_P, always use the actual value.
3317 * pa.c (pa_adjust_insn_length): Check that block move
3318 pattern is a set before looking at operands.
3320 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3322 * fold-const.c (fold_binary_op_with_conditional_arg): New
3323 function, split out from ...
3325 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
3326 conditional arms that throw exceptions.
3328 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
3331 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
3334 define HAVE_DECL_* to 1 to mask potential backup declarations.
3335 * configure: Regenerated.
3337 2001-02-17 Mark Mitchell <mark@codesourcery.com>
3339 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
3341 2001-02-17 Richard Henderson <rth@redhat.com>
3343 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
3344 when replacing a memory load with a register.
3346 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3347 Jan Hubicka <jh@suse.cz>
3349 * recog.c (validate_replace_src_1): New.
3350 (validate_replace_src_data): Likewise.
3351 (validate_replace_src): Use note_uses.
3352 * rtl.h (note_uses): Declare.
3353 * rtlanal.c (note_uses): New.
3355 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
3357 * reg-stack.c (stack_def): Make field reg unsigned.
3358 (remove_regno_note): Unsignetize parameter.
3360 2001-02-16 Jes Sorensen <jes@linuxcare.com>
3362 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
3363 shladd_operand() call.
3365 2001-02-16 Bruce Korb <bkorb@gnu.org>
3366 Rodney Brown <RodneyBrown@mynd.com>
3368 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
3369 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
3370 machine restrictions
3371 * fixinc/fixincl.x: regen
3373 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3375 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
3377 (hash_scan_insn): Clean up calls to hash_scan_set.
3378 (compute_kill_rd): REGNO now unsigned.
3379 (try_replace_reg): Rework to use simplify_replace_rtx.
3380 (cprop_jump, cprop_cc0_jump): Likewise.
3381 (cprop_insn): Call find_reg_equal_equiv_note.
3382 Reflect changes to cprop_jump and cprop_cc0_jump.
3384 * recog.c (validate_replace_src): Replace in operands of
3385 ZERO_EXTRACT in SET_DEST.
3387 * cse.c (new_label_ref): New variable.
3388 (insert): Set it instead of recorded_label_ref.
3389 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
3390 CODE_LABEL for this function, and not already in REG_LABEL note.
3392 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
3394 * resource.c (mark_referenced_resources): Fix typo in introductory
3396 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
3399 2001-02-16 Jason Merrill <jason@redhat.com>
3401 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
3403 (gen_subprogram_die): Don't abort on seeing a second definition if
3404 the previous one was abstract. Don't replace an abstract instance
3405 in the lookup table.
3407 * dwarf2out.c (dwarf2out_abstract_function): Rename from
3408 gen_abstract_function.
3409 * dwarf2out.h: Declare it.
3410 * toplev.c (note_outlining_of_inline_function): New fn.
3411 * toplev.h: Declare it.
3412 * integrate.c (output_inline_function): Call it.
3413 * c-decl.c (duplicate_decls): Call it when redefining an extern
3414 inline. Don't inline the new defn.
3416 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
3418 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3420 * .gdbinit: Rename to gdbinit.in.
3421 * gdbinit.in: New file,
3422 * configure.in: Generate .gdbinit from gdbinit.in.
3423 * configure: Regenerated.
3424 * Makefile.in (distclean): Always remove .gdbinit.
3426 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3428 * objc/objc-act.c (start_class): Register implemented_classes with
3431 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
3433 * cppfiles.c (_cpp_make_system_header): Generate a file
3436 2001-02-15 Jim Meyering <meyering@lucent.com>
3438 * Makefile.in (install-common): Don't depend on installdirs here.
3439 Instead, make each of the lang.install-common targets (e.g.,
3440 c++.install-common in cp/Make-lang.in) depend on it.
3441 (install-driver): Depend on installdirs.
3443 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3445 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
3447 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
3450 2001-02-15 Mark Mitchell <mark@codesourcery.com>
3452 * invoke.texi (--param): Document.
3454 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
3456 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
3458 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
3460 * i386.md (extendsfdf2_2): Fix constraints.
3462 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
3464 * i386.md (fop_df_3 splitter): Fix operand number.
3466 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
3468 * invoke.texi (-mreg-alloc): Nuke.
3469 * i386.c (ix86_reg_alloc_order, regs_allocated,
3470 order_regs_for_local_alloc): Nuke.
3471 (override_options): Kill reg_alloc code.
3472 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
3473 (REG_ALLOC_ORDER): SSE goes before I387.
3474 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
3475 (ix86_reg_alloc_order): Likewise.
3476 * i386-protos.h (ix86_reg_alloc_order): Kill.
3478 2001-02-14 Richard Henderson <rth@redhat.com>
3480 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
3482 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
3484 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
3486 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
3488 * i386-protos.h (ix86_memory_move_cost): Move offline.
3489 * i386.c (ix86_register_move_cost): Compute properly cost of
3490 SSE, MMX and i387 instructions.
3491 (*_cost): Add costs of SSE/MMX moves.
3492 (ix86_memory_move_cost): Move offline from ....; Likewise.
3493 * i386.h (MEMORY_MOVE_COST): .... here;
3494 (struct processor costs): Add new fields to represent costs
3497 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
3499 * regclass.c (init_reg_sets_1): Reinstall the optimization of
3500 move_cost together with Matt Kraai's fix.
3502 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3504 * Makefile.in (OBJS): Add params.o.
3506 2001-02-14 Richard Henderson <rth@redhat.com>
3507 DJ Delorie <dj@redhat.com>
3509 * jump.c (jump_optimize_1): When we delete a conditional jump
3510 preceeding a non-conditional jump to effectively the same place,
3511 make sure that the combined jump skips any clobber insns between
3514 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
3516 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
3518 2001-02-14 Mark Mitchell <mark@codesourcery.com>
3520 * Makefile.in (toplev.o): Depend on params.h.
3521 (intergate.o): Likewise.
3522 (params.o): New target.
3523 * flags.h (inline_max_insns): Remove.
3524 * integrate.c: Include params.h.
3525 Use MAX_INLINE_INSNS instead of inline_max_insns.
3526 * params.c: New file.
3527 * params.h: Likewise.
3528 * params.def: Likewise.
3529 * toplev.c: Include params.h.
3530 (lang_independent_params): New variable.
3531 (decode_f_option): Use the param machinery instead of setting
3533 (independent_decode_option): Handle "--param name=value".
3534 (main): Register language-independent parameters.
3536 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
3538 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
3540 2001-02-14 Richard Henderson <rth@redhat.com>
3542 * regclass.c (init_reg_sets_1): Revert last two changes.
3544 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3546 * stor-layout.c (is_pending_size, put_pending_size): New functions.
3547 (variable_size): Call put_pending_size.
3548 * tree.h (is_pending_size, put_pending_size): Add prototypes.
3549 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
3550 sizes list, put newly created SAVE_EXPR there as well.
3552 2001-02-14 Jakub Jelinek <jakub@redhat.com>
3554 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
3555 (errata_find_address_regs): load_group has only 2 entries.
3556 (errata_emit_nops): Likewise. shladd is not problematic.
3557 Clear last_group if nop was emitted.
3558 (fixup_errata): load_group has only 2 entries.
3561 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
3563 * c-lex.c (lex_number): Only warn traditionally for U suffix
3564 outside system macros.
3565 * cppexp.c (parse_number): Similarly.
3566 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
3567 * cppmacro.c (struct cpp_macro): New member node.
3568 (parse_args): Only warn about missing rest args if not
3570 (funlike_invocation_p): Similarly for uninvoked funlike macros.
3571 (cpp_sys_objmacro_p): New.
3572 (_cpp_create_definition): Store the node with the macro defn.
3573 Remember if the macro is defined in a system header.
3575 2001-02-13 DJ Delorie <dj@redhat.com>
3577 * configure.in (check_languages): determine languages to check
3578 * Makefile.in (check-c++): alias for check-g++
3579 (check-f77): alias for check-g77
3580 (CHECK_TARGETS): depend on configured languages
3582 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
3584 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3585 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3586 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3587 (sqrtextendsfdf2): Disable for SSE2.
3589 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
3591 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
3592 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3593 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3594 (sqrtextendsfdf2): Disable for SSE2.
3596 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3598 * i386.md (movsfcc_1): Support integer cmove instruction.
3599 (movdfcc_1): Likewise; new splitter.
3601 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3603 * i386.c (output_fp_compare): Support SSE.
3604 (prepare_fp_compare_args): SSE comparisons always support memory.
3605 * i386.h (TARGET_CMOVE): SSE imply cmove.
3606 * i386.md (cmp?f2): Enable for SSE too.
3607 (cmpfp_i*): Support SSE.
3609 (cmpfp_i_sse_only): New.
3610 (s*, b* fp expanters): Enable for SSE too.
3611 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3614 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3616 * regclass.c (init_reg_sets_1): Silence warning.
3618 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3620 * i386.md (sqrt?f2): Change to expander.
3621 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3623 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3625 * rtlanal.c (find_reg_equal_equiv_note): New function.
3626 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3627 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3628 * rtl.h: Add declarations for above functions.
3630 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3632 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3634 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3635 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3636 * flow.c (mark_regs_live_at_end): Likewise.
3637 (calculate_global_regs_live): Likewise.
3638 * gcse.c (compute_hash_table): Likewise.
3639 (compute_kill_rd): Likewise.
3640 * resource.c (mark_target_live_regs): Likewise.
3641 * rtl.h (INVALID_REGNUM): New macro.
3643 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3645 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3647 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3649 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3652 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3654 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3656 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3657 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3658 (fop_sf_1_sse, fop_df_1_sse): New patterns
3659 (fop_*): Disable float_extend and float patterns for SSE compilation.
3660 * i386.c (output_387_binary_op): Support SSE.
3662 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3664 * i386.md (dummy_extendsfdf2): Support SSE2
3665 (extendsfdf2): Enable if 80387 or SSE2.
3666 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3667 and no MIX_I387_SSE2
3668 (extendsfdf2_1_sse_only): New pattern.
3669 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3671 (truncdfsf2_1): Support SSE.
3672 (truncdfsf2_2): Support SSE.
3673 (truncdfsf2_2_1_sse): New pattern.
3674 (fixtruncsfsi2): Always use SSE if available.
3675 (fix_truncsfsi_sse): New pattern.
3676 (fix_truncdfsi_sse): New pattern.
3677 (floatsis?f2): Support SSE.
3678 (floatsidf2_i387): New pattern.
3679 (floatsidf2_sse): Likewise.
3681 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3683 * configure.in: Use "have_gnat" variable, not "gnat".
3684 * configure: Regenerated.
3686 * config/sparc/sparc.c (function_value): Treat all non-record
3687 aggregate types like used to treat UNION_TYPE.
3689 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3691 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3692 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3694 (MASK_MIX_SSE_I387): New.
3695 (TARGET_SSE): SSE2 imply SSE.
3696 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3697 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3698 (enum reg_class): Add new classes.
3699 (REG_CLASS_NAMES): Likewise.
3700 (REG_CLASS_CONTENTS): Likewise.
3701 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3702 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3703 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3704 (CLASS_MAX_NREGS): Use new macros.
3705 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3706 * i386.md (pushsf, movsf): Support SSE.
3707 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3708 splitters to use ANY_FP_REGNO_P.
3709 (movdf_nointeger, movdf_integer): Likewise.
3711 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3713 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3714 (try_combine): Use it.
3716 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3718 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3719 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3720 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3721 (REGISTER_MOVE_COST): Likewise.
3722 * i386-protos.h (ix86_secondary_memory_needed,
3723 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3724 * i386.c (ix86_secondary_memory_needed,
3725 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3727 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3729 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3730 (HARD_REGNO_MODE_OK): Move offline to ....
3731 * i386.c (ix86_hard_regno_mode_ok) ... here;
3732 refuse all incorrect modes.
3733 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3735 2001-02-13 Richard Henderson <rth@redhat.com>
3737 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3738 entire operator; replicate that and match_dup the operands.
3739 (cmp_ccx_arith_op_set): Likewise.
3740 (cmp_cc_arith_op_not_set): Likewise.
3741 (cmp_ccx_arith_op_not_set): Likewise.
3743 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3745 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3747 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3749 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3750 (TARGET_NO_BITFIELD_WORD): New macro.
3751 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3752 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3754 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3756 * cselib.c: New file, from simplify-rtx.c.
3757 * simplify-rtx.c: Remove cselib parts.
3758 * Makefile.in: Add cselib.o.
3760 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3762 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3763 (setup_incoming_varargs): Remove warning.
3765 * config/rs6000/rs6000.c (validate_condition_mode): When
3766 flag_fast_math, allow floating-point conditionals to be reversed.
3767 (rs6000_generate_compare): When flag_fast_math, don't generate
3768 cror operations for FP conditionals.
3770 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3772 (ASM_SPEC): Likewise.
3773 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3774 (CC1_SPEC): Likewise.
3775 (LINK_TARGET_SPEC): Likewise.
3776 (CPP_ENDIAN_SPEC): Likewise.
3777 * Makefile.in (check-consistency): New target.
3779 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3781 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3782 "return type defaults" warning for functions with return type
3784 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3785 function declarations by default rather than only when pedantic.
3787 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3789 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3792 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3794 * extend.texi (Deprecated): Deprecate new initializer lists.
3796 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3798 * mkdeps.c (deps_add_default_target): Robustify. Add
3799 basename component only.
3800 * cpp.texi (-M): Describe how default target is generated.
3801 * invoke.texi (-M): Likewise.
3803 2001-02-12 Kazu Hirata <kazu@hxi.com>
3805 * toplev.c (push_float_handler): Remove.
3806 (pop_float_handler): Remove.
3807 * toplev.h: Remove prototypes for the above functions.
3809 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3811 * c-common.c (constant_fits_type_p): New function.
3812 (convert_and_check): Use it.
3814 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3816 * Makefile.in (GXX_ABI_FLAG): Don't define.
3817 * configure.in (--enable-new-gxx-abi): Remove option.
3818 * config.in: Regenerated.
3819 * configure: Likewise.
3821 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3823 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3825 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3826 regular basic block, and arrange for all edges into it to switch
3829 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3831 * Makefile.in (distclean): Do not remove .gdbinit.
3833 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3835 * Makefile.in (gcc.o): Fix typos.
3836 (protize.o): Likewise.
3837 (unprotoize.o): Likewise.
3839 2001-02-11 Richard Henderson <rth@redhat.com>
3841 * tree.c (build1): Check for null operand in last change.
3843 2001-02-11 Richard Henderson <rth@redhat.com>
3845 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3846 (fold): Don't assume a constant isn't foldable.
3847 * tree.c (build): Set TREE_CONSTANT for an expression with no
3848 side-effects and constant operands.
3851 2001-02-10 Richard Henderson <rth@redhat.com>
3853 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3855 2001-02-10 Anthony Green <green@redhat.com>
3857 * cpp.texi (Standard Predefined): Add documentation for
3860 * c-common.c (combine_strings): Improve warning message.
3862 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3864 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3866 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3868 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3870 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3873 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3875 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3878 2001-02-09 Nick Clifton <nickc@redhat.com>
3880 * config/arm/arm.md: Change output contraint on post inc
3881 load/store multiple patterns to be a read/write contraint.
3883 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3885 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3886 .o files when using the -M options.
3888 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3889 David Edelsohn <edelsohn@gnu.org>
3891 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3892 handle DImode constants. Use one TOC entry for SImode and smaller
3893 constants, aligned properly.
3895 2001-02-08 Jason Merrill <jason@redhat.com>
3897 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3898 about the SP adjustment for saving the static chain pointer.
3899 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3900 offset when setting a temporary CFA register.
3902 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3904 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3905 powerpc-*-chorusos* .
3906 * config/rs6000/chorus.h : New file.
3907 * config/i386/chorus.h : New file.
3908 * config/sparc/chorus.h : New file.
3909 * config/sparc/t-chorus-elf : New file.
3911 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3913 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3914 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3915 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3916 (__WCHAR_TYPE__): Correct macro name.
3918 2001-02-08 Richard Henderson <rth@redhat.com>
3920 * config/i386/i386.c (ix86_frame_pointer_required): New.
3921 (ix86_setup_frame_addresses): New.
3922 (struct machine_funciton): Add accesses_prev_frame.
3923 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3924 ix86_frame_pointer_required.
3925 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3926 (SETUP_FRAME_ADDRESSES): New.
3927 * config/i386/i386-protos.h: Update.
3928 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3929 from FRAME_POINTER_REQUIRED.
3930 * config/i386/svr3gas.h: Likewise.
3931 * config/i386/sysv3.h: Likewise.
3932 * config/i386/v3gas.h: Likewise.
3934 2001-02-08 Richard Henderson <rth@redhat.com>
3936 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3937 calculation of the number of integer registers required.
3938 (function_arg_record_value): Likewise.
3940 2001-02-08 Jason Merrill <jason@redhat.com>
3942 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3943 two. Print file and line with "confused" message.
3945 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3947 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3949 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3951 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3953 * final.c (cleanup_subreg_operands): The address of a MEM can
3956 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3959 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3961 * gcc.texi (Incompatibilities): Update documentation of
3962 preprocessing numbers.
3964 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3966 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3968 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3970 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3972 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3973 * gcc.c (struct compiler): Add cpp_spec field.
3974 (input_file_compiler): New variable.
3975 (do_spec_1): Allow a particular compiler to handle `%C'
3977 (main): Store the current compiler in input_file_compiler.
3978 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3980 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3982 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3983 * cppinit.c (cpp_create_reader): Initialize them.
3984 (append_include_chain): cxx_aware arg might be unused.
3985 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3986 keywords and give them their phase 7 meaning. Pedwarn about
3987 this unless '__bool_true_false_are_defined' is defined.
3989 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3991 * lcm.c (optimize_mode_switching): Emit mode_set before the
3992 JUMP_INSN of an abnormal edge.
3994 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3996 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3997 a scheduling barrier at the end.
3999 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
4001 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
4003 * config/sh/sh.md (reload_outsf): Removed.
4004 (movsf_ie): Introduce constraints for FPUL loads and stores.
4005 (reload_insf): Broaden the output constraint.
4007 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
4009 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
4010 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
4012 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
4014 * final.c: Revert my previous changes.
4015 * output.h: Make profile_label_no extern.
4016 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
4017 for generating label.
4019 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
4021 * config/i386/djgpp.h: Add comments about standard paths.
4022 (MD_EXEC_PREFIX): Undefine before defining.
4023 (MD_STARTFILE_PREFIX): New.
4025 2001-01-30 Bruce Korb <bkorb@gnu.org>
4027 fixinc/fixincl.c(process): Emit error message only if appropriate :)
4028 (load_file): do not rely on load_file_data() to close file pointer
4029 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
4030 fixinc/inclhack.def(irix_limits_const): add test_text
4032 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4034 * cppexp.c (parse_defined): Improve diagnostics for invalid
4037 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
4039 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
4041 2001-02-06 Mark Mitchell <mark@codesourcery.com>
4043 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
4044 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
4045 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
4046 (rs6000_output_symbol_ref): New function.
4047 (output_toc): Use VTABLE_NAME_P.
4049 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4051 * print-tree.c (print_node, case PARM_DECL):
4052 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
4054 * stor-layout.c (reference_types_internal): New variable.
4055 (internal_reference_types): New function.
4056 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
4057 * tree.h (internal_reference_types): New declaration.
4059 * cse.c (find_best_addr): Fix typo in computing cost.
4061 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4063 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
4064 and this is the sum of a pointer and a constant, we know the result
4066 (num_sign_bit_copies, case PLUS): Likewise.
4067 * explow.c (convert_memory_address): Remove opposite SUBREG.
4068 * function.c (instantiate_new_reg): New function (from common code).
4069 (instantiate_virtual_regs_1): Call it.
4070 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
4071 if pointers sign- or zero-extend.
4072 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
4073 If pointers extend unsigned, use inside of SUBREG.
4074 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
4076 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
4078 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
4079 subdir of gcc_gxx_include_dir.
4080 (gcc_gxx_target_include_dir): Remove.
4082 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
4084 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
4085 (dwarf2out_frame_debug_expr): Revise introductory comments to add
4086 a high-level description.
4088 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
4090 * final.c: Move the declaration of profile_label_no to ...
4091 * output.h: ... here.
4092 * function.c (expand_function_start): Call PROFILE_HOOK.
4093 * config/rs6000/aix.h: Define PROFILE_HOOK.
4094 * config/rs6000/rs6000-protos.h: output_profile_hook new.
4095 * config/rs6000/rs6000.c (output_profile_hook): Define.
4096 (output_prolog): Do nothing for ABI_AIX as it is taken care by
4097 output_profile_hook.
4098 tm.texi : Explain new macro PROFILE_HOOK.
4100 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
4102 * extend.texi (Extended Asm): Do not say that semicolon is always
4103 a valid line-breaking character for GNU assemblers. Use
4104 newline-tab as the most commonly supported syntax. Use
4105 newline-tab rather than semicolon in multi-insn examples.
4107 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4109 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
4111 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4112 David Edelsohn <edelsohn@gnu.org>
4114 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
4115 code for AIX, even without flag_pic.
4117 2001-02-05 Jakub Jelinek <jakub@redhat.com>
4119 * c-typeck.c (common_type): push and pop binding level around
4120 calling common_type on function parameters.
4122 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
4124 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
4126 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4128 * config/mips/mips.c (override_options): Fix typo in last change.
4129 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
4130 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
4132 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
4134 * invoke.texi (-fdump-class-layout): Document.
4135 (-fdump-translation-unit): Use `=' as filename separator.
4137 2001-02-05 Mark Mitchell <mark@codesourcery.com>
4139 * Makefile.in (s-mlib): Don't build multilibs if
4141 (DRIVER_DEFINES): Adjust accordingly.
4143 (protoize.o): Likewise.
4144 (unprotoize.o): Likewise.
4145 * configure.in: Recognize --enable-multilib.
4147 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4149 * Makefile.in (DRIVER_DEFINES): Fix quoting.
4151 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
4152 * configure.in: Remove --enable-libstdcxx_v3 support.
4153 * configure: Regenerated.
4155 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4157 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
4158 Call abort instead of fatal.
4159 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
4160 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
4161 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
4162 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
4163 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
4164 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
4166 * diagnostic.h (set_internal_error_function): Renamed.
4167 * toplev.h (internal_error): Renamed from fatal.
4168 (pfatal_with_name): Deleted.
4169 (fatal_io_error): Now has printf-style arguments.
4170 * diagnostic.c (pfatal_with_name): Deleted.
4171 (fatal_io_error): Rework to have args in printf-style.
4172 (set_internal_error_function): Renamed from set_fatal_function.
4173 (internal_error): Renamed from fatal.
4174 (error_recursion, fancy_abort): Call internal_error instead of fatal.
4175 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
4176 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
4177 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
4178 * flow.c (verify_flow_info): Likewise.
4179 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
4180 * config/mips/mips.c (save_restore_insns): Likewise.
4182 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
4183 * flow.c (verify_flow_info): Likewise.
4184 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
4185 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
4186 (avr_normalize_condition): Likewise.
4187 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
4188 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
4189 (limit_reload_class, double_reg_to_memory): Likewise.
4190 (print_operand_address, emit_1600_code_shift): Likewise.
4191 (gen_tst_reg, gen_compare_reg): Likewise.
4192 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
4193 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
4195 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
4197 * c-parse.in (methoddef): Call fatal_error instead of fatal.
4198 * objc/objc-act.c (build_ivar_chain): Likewise.
4199 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
4201 * graph.c (clean_graph_dump_file): Likewise.
4202 * profile.c (init_branch_prob): Likewise.
4203 * objc/objc-act.c (objc_init): Likewise.
4205 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
4206 * config/avr/avr.c (avr_override_options): Likewise.
4207 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
4208 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
4209 * config/h8300/h8300.c (h8300_init_once): Likewise.
4210 * config/mips/mips.c (override_options): Likewise.
4211 * config/i386/i386.c (override_options): Likewise, rework.
4212 * config/m68k/m68k.c (override_options): Likewise.
4214 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
4216 * config/mips/mips.c (print_operand): Likewise.
4217 * hash.c (hash_allocate): Don't check for failure returns from
4218 obstack functions that can't fail.
4219 (hash_table_init_n, hash_table_init): Likewise; also now return void.
4220 * hash.h (hash_table_init_n, hash_table_init): Now return void.
4221 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
4222 (get_object_reference): Likewise.
4224 2001-02-04 Nick Clifton <nickc@redhat.com>
4226 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
4227 StrongARM1110, 10TDMI, and 1020T.
4229 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4231 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
4233 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
4235 * config/sh/sh.md (movdf load split): Pass register number to
4236 FP_OR_XD_REGISTER_P.
4238 2001-02-04 Mark Mitchell <mark@codesourcery.com>
4240 * cppinit.c (BC): New macro.
4241 (builtin_array): Add __GXX_WEAK__.
4242 * cpplib.h (builtin_type): Add BT_WEAK.
4243 * cppmacro.c (builtin_macro): Handle BT_WEAK.
4244 * defaults.h (SUPPORTS_ONE_ONLY): Define.
4245 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
4247 2001-02-03 Jakub Jelinek <jakub@redhat.com>
4249 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
4251 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4253 * cpphash.h: Rename _ALIGN POOL_ALIGN.
4254 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4256 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
4258 * cpphash.h: Rename ALIGN _ALIGN.
4259 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
4261 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
4263 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
4264 compilation environment.
4265 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
4266 control over location of cygwin includes and libs.
4268 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4270 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
4272 2001-02-02 lars brinkhoff <lars@nocrew.org>
4274 * md.texi (Standard Names): remove reference to spur.md.
4276 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
4278 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
4279 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
4280 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
4281 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
4282 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
4284 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4286 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
4287 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
4288 number before reload.
4289 (c4x_adjust_cost): Return zero before reload.
4290 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
4291 split before reload.
4293 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4295 * c4x.c (c4x_hard_regno_rename_ok): New.
4296 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
4297 * c4x.h (HARD_REGNO_RENAME_OK): Define.
4299 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4301 * diagnostic.h: Add missing "extern" in all declarations.
4303 2001-02-02 Alex Samuel <samuel@codesourcery.com>
4305 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
4306 as for gcc_gxx_include_dir.
4308 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
4310 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
4312 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4314 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
4315 label before alignment to be used as the braf base address.
4316 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
4318 (casesi_jump_2): Require at least TARGET_SH2.
4320 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
4321 truncation to 32-bit doubles on -m3e and -m4-single-only.
4323 2001-02-02 Mark Mitchell <mark@codesourcery.com>
4325 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
4326 the default when building a shared object.
4327 (init_spec): Use it.
4328 * testsuite/lib/g++.exp: Include the directory where libgcc
4329 is located to the LD_LIBRARY_PATH list.
4330 * invoke.texi (-shared-libgcc): Document the cases in which
4331 GCC defaults to using the shared libgcc.
4333 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
4335 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
4336 unsigned is wide enough.
4338 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
4339 (si_to_float): Likewise.
4340 (float_to_si, float_to_usi): Use BITS_PER_SI.
4342 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4344 * dwarf2out.c: Added explanation of abbreviations.
4345 (def_cfa_1): Added comments listing DWARF2 instructions.
4346 (cfa_temp_reg): Removed in favor of cfa_temp.
4347 (cfa_temp_value): Removed in favor of cfa_temp.
4348 (cfa_temp): New global variable.
4349 (dwarf2out_frame_debug_expr): Added extensive introductory
4350 comments explaining the function's transformations. Revised to
4351 use cfa_temp. Added some rtx checking. Generalize IOR case.
4352 (dwarf2out_frame_debug): Revised to use cfa_temp.
4353 (output_aranges): Cast as "unsigned" to avoid warning.
4354 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
4355 explain which instructions must be marked.
4357 2001-02-01 Richard Henderson <rth@redhat.com>
4359 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
4362 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
4364 * config/sh/crt1.asm (main_k): Modified so that start calls
4365 ___setup_argv_and_call_main.
4367 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
4369 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
4370 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
4371 and AVOID_LPASTE is cleared on meeting an unescaped newline.
4372 * cppmacro.c (builtin_macro): Set builtin flags here.
4373 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
4374 (replace_args): Clarify intent.
4375 (cpp_get_token): Macro expansion tokens get the saved flags.
4377 * cppmain.c (scan_buffer): Remove now-redundant print.printed
4380 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
4382 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
4385 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4387 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
4388 returns Pmode pseudo, but we need ptr_mode.
4389 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
4390 Remove bogus conversions; use HOST_WIDE_INT for size.
4391 Don't use TARGET if wrong mode.
4393 * config/i386/i386.c (ix86_compute_frame_size): Allow
4394 stack_alignment_needed to be non-default even if size is zero.
4396 2001-01-31 Alan Modra <alan@linuxcare.com.au>
4398 * (hppa_init_pic_save): Emit the pic offset table
4399 reg save after last_parm_insn.
4400 * pa.c (hppa_init_pic_save): New function.
4401 * pa.h (hppa_init_pic_save): Declare.
4402 * pa.md (call, call_value, sibcall, sibcall_value): Use
4403 the above instead of duplicated code.
4405 * pa.c (hppa_encode_label): Correct size of alloca buffer
4406 so we don't overrun it. Correct leading `*' case.
4407 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
4408 need to handle `*@'.
4409 (FUNCTION_NAME_P): Likewise.
4411 2001-01-31 Richard Henderson <rth@redhat.com>
4413 * config.gcc (alpha-osf5): Use float-i128.h.
4415 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
4416 * config/float-i32.h: Likewise.
4417 * config/float-i64.h: Likewise.
4418 * config/float-sh.h: Likewise.
4419 * config/float-sparc.h: Likewise.
4421 2001-01-31 DJ Delorie <dj@redhat.com>
4423 * expmed.c (extract_bit_field): allow non-integral modes if we
4424 want to extract a whole register from itself.
4426 2001-01-31 Jakub Jelinek <jakub@redhat.com>
4428 * c-typeck.c (set_init_index): If first is equal to last, assume as
4429 if it was not a range at all.
4431 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4433 * config/fp-bit.c: Include tm.h.
4434 (float_to_si): Don't assume SImode is 32-bits wide.
4435 (float_to_usi): Likewise.
4437 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
4439 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
4441 (typename): Call pending_xref_error after parsing typed_typespecs.
4442 * c-decl.c (lookup_tag): Give error immediately rather than
4443 leaving it pending if the tag of the wrong type is in the same
4445 (xref_tag): Don't pedwarn for forward declarations of enum types
4447 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
4450 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4452 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
4454 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4456 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
4457 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
4459 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
4461 * cpphash.h (struct cpp_reader): New saved_flags.
4462 * cppmacro.c (cpp_get_token): Use saved_flags to remember
4463 to avoid a paste after a pasted token.
4465 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
4467 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
4468 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
4469 Wtype_MIN instead of LONG_MIN.
4471 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4473 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
4475 * fixinc/fixincl.x: Regenerated.
4476 * fixinc/inclhack.def (irix_limits_const): New definition to
4477 convert "const" to "__const" in limits.h.
4479 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
4481 * fixinc/genfixes (AG): Fix "autogen4" thinko.
4483 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4485 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
4486 when register dies in the insn.
4488 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4490 * diagnostic.c (fatal): Fix word wrap.
4492 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
4494 * combine.c (try_combine): Fix SUBREG setting for
4495 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
4497 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4499 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
4502 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
4504 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
4506 * toplev.c (decode_W_option): Update warn_larger_than
4507 unconditionally for each processed switch.
4509 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
4511 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
4513 (hppa_expand_prologue): Delete code to save pic offset table register
4514 in the function prologue.
4515 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
4516 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
4517 table register at the beginning of the function after the prologue.
4519 2001-01-29 lars brinkhoff <lars@nocrew.org>
4521 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
4523 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
4524 Jeff Law <law@redhat.com>
4526 * pa.md (return): Revise comment for trivial return.
4527 (return_internal): Non-trivial return pattern for non-PIC code.
4528 (return_internal_pic): Non-trivial return pattern for PIC code.
4529 It uses the PIC register to ensure it is restored after
4531 (epilogue): Generate appropriate return for PIC and non-PIC code.
4533 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
4535 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
4537 2001-01-29 DJ Delorie <dj@redhat.com>
4539 * combine.c (if_then_else_cond): Pass the correct mode to
4540 operand_subword() for constants.
4542 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
4544 * config/i386/cygwin.h: Add w32api to include search. Search different
4545 directories in a cross-build environment.
4547 2001-11-29 Tim Josling <tej@melbpc.org.au>
4549 * tree.h (TYPE_STUB_DECL): Add documentation.
4551 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
4553 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
4554 (sdbout_field_types): Likwise. Fix use of host_integerp.
4556 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
4558 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
4561 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
4563 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
4564 to use flag_gnu_linker.
4566 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
4568 * cpplib.c (T_BAD_DIRECTIVE): Remove.
4569 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
4571 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
4573 * tree.c, tree.h (build_parse_node): Remove; was identical to
4575 * c-lang.c (start_cdtor), objc/objc-act.c
4576 (build_module_descriptor): Use build_nt instead of
4579 2001-01-29 Jakub Jelinek <jakub@redhat.com>
4581 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
4582 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
4583 not have any upper bits set.
4585 2001-01-29 Phil Edwards <pme@sources.redhat.com>
4587 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
4589 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4591 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4593 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4595 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4596 (integer_minus_one_node): Define.
4598 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4600 * Makefile.in (bootstrap2-lean): Fix typo.
4602 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4604 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4605 : Don't set fe_value.
4606 * cpplib.h (AVOID_LPASTE): New flag.
4607 (struct cpp_hashnode): Remove fe_value.
4608 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4609 * cppmacro.c (builtin_macro): Don't set flags here.
4610 (replace_args): Set AVOID_LPASTE flag on first token of an
4611 argument, and the token following it.
4612 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4613 macro expansion, and on the token following it. Do it for
4615 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4617 2001-01-27 Richard Henderson <rth@redhat.com>
4619 * config/alpha/t-ieee: Remove multilibbing.
4620 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4622 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4624 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4626 * Makefile.in: Remove all dependencies on defaults.h.
4627 * builtins.c: Don't include defaults.h.
4628 * c-common.c: Likewise.
4629 * c-decl.c: Likewise.
4630 * c-pragma.c: Likewise.
4631 * c-typeck.c: Likewise.
4632 * combine.c: Likewise.
4634 * frame-ia64.c: Likewise.
4635 * cppexp.c: Likewise.
4636 * crtstuff.c: Likewise.
4637 * dbxout.c: Likewise.
4638 * dwarf2out.c: Likewise.
4639 * dwarfout.c: Likewise.
4640 * emit-rtl.c: Likewise.
4641 * except.c: Likewise.
4643 * final.c: Likewise.
4644 * frame-dwarf2.c: Likewise.
4645 * libgcc2.c: Likewise.
4646 * optabs.c: Likewise.
4647 * profile.c: Likewise.
4648 * sdbout.c: Likewise.
4649 * toplev.c: Likewise.
4650 * tradcif.y: Likewise.
4652 * varasm.c: Likewise.
4654 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4656 * builtins.c (expand_builtin_fputs): Use size_one_node when
4657 transforming into fwrite.
4659 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4661 * extend.texi (Attribute Syntax): New section.
4663 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4665 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4666 they didn't need fixing.
4668 2001-01-27 Janis Johnson <janis@us.ibm.com>
4670 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4672 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4673 to remove macro definitions that are duplicated from elfos.h.
4675 2001-01-27 Richard Henderson <rth@redhat.com>
4677 * config/i386/sco5gas.h: Move ...
4678 * config/usegas.h: ... here.
4679 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4681 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4683 * c-typeck.c (struct constructor_stack): Add range_stack member.
4684 (really_start_incremental_init): Clear it.
4685 (push_init_level): Save constructor_range_stack and clear it if
4686 pushing explicit braces.
4687 (pop_init_level): abort if constructor_range_stack is non-zero at
4688 explicit closing brace. Restore saved constructor_range_stack if
4691 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4693 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4694 into register was forced into memory.
4696 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4698 * Makefile.in: Remove uses of + before $(MAKE).
4700 2001-01-26 Richard Henderson <rth@redhat.com>
4702 * stmt.c (cost_table): Remove.
4703 (COST_TABLE, cost_table_initialized): New.
4704 (estimate_case_costs): Use the later instead of the former.
4705 (balance_case_nodes): Likewise.
4707 2001-01-26 Richard Henderson <rth@redhat.com>
4709 * alias.c (objects_must_conflict_p): Read-only slots may not
4710 conflict despite having the same type.
4712 2001-01-27 Michael Hayes <mhayes@redhat.com>
4714 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4716 (check_ext_dependant_givs): Initialise u_start_val and
4718 (load_mems): Make last_max_reg unsigned.
4719 (try_swap_copy_prop): Use INSN_P and initialise set.
4721 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4723 * README.AVR : Removed.
4725 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4727 * pa-64.h (text_section): Remove declaration.
4729 * pa.md (return_internal): Remove mode on PIC register use.
4731 2001-01-25 lars brinkhoff <lars@nocrew.org>
4733 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4734 ASM_CLOSE_PAREN): fix typos.
4736 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4738 * acconfig.h: Define `const' to the empty string if neither
4739 __STDC__ nor __cplusplus is defined.
4740 * config.in: Regenerated.
4742 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4744 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4745 * collect2.c (main): Delete importf. Add ".obj" file extension.
4746 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4747 (aix_std_libs): Add additional AIX libraries to skip.
4748 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4749 * config/rs6000/aix51.h: New file.
4751 2001-01-25 Michael Hayes <mhayes@redhat.com>
4753 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4754 (loop_insn_emit_before): No longer static.
4755 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4756 (loop_givs_rescan, load_mems): Likewise.
4757 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4758 (maybe_eliminate_biv_1):
4759 (move_movables): Replace emit_call_insn_before with
4760 loop_call_insn_hoist.
4761 * loop.h (loop_insn_emit_before): Add.
4762 * unroll.c (copy_loop_body): Replace emit_insn_before with
4763 loop_insn_emit_before.
4765 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4767 * diagnostic.c (fatal): Request preprocessed source.
4769 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4771 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4772 olddecl has argument types and newdecl has none, use the argument
4775 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4777 * dwarf2out.c (prefix_of): New function. Determine longest common
4778 prefix of the two arguments. The units are whole path components.
4779 (output_file_names): When adding a new directory find the one entry
4780 with the longest common prefix already in the list. Artificially
4781 generate entry if there is none for this prefix.
4782 Fix test to check whether the zeroth directory entry is used.
4784 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4786 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4787 Changed all callers. Take it into account when deciding if a
4788 previously loaded value matches.
4790 2001-01-24 Richard Henderson <rth@redhat.com>
4792 * reload.c (find_reloads_subreg_address): Fail the substitution
4793 if the resulting address is insufficiently aligned.
4795 2001-01-24 DJ Delorie <dj@redhat.com>
4797 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4798 check the original operand's mode also.
4799 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4801 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4803 * c-parse.in (cast_expr): Move compound literals from here ...
4804 (primary): ... to here. Use standard terminology "compound
4805 literal" instead of "constructor expression".
4807 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4809 * gcc.1, cpp.1: Regenerate.
4811 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4813 * calls.c (emit_library_call_value_1): Memory slot for
4814 pass-by-reference argument should have the mode of the argument,
4815 not of the pointer to it.
4817 2001-01-24 Tom Tromey <tromey@redhat.com>
4819 * gcc.texi (G++ and GCC): Mention gcj manual.
4820 (Standards): Link to section of manual mentioning gcj/Java
4823 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4825 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4826 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4827 * tradcpp.c (main): Add -imacros or -include'd dependencies
4829 * cpp.texi (-M, -MM): Document -M -include behaviour.
4831 2001-01-24 Roger Collins <roger@ProProject.com>
4833 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4835 2001-01-24 Will Cohen <wcohen@redhat.com>
4837 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4838 whether registers are 32 bits or 64 bits in size.
4840 2001-01-24 Ben Elliston <bje@redhat.com>
4842 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4844 2001-01-24 Richard Henderson <rth@redhat.com>
4846 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4847 (builtin_longjmp): Use it instead of emit_indirect_jump.
4849 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4851 * bb-reorder.c (make_reorder_chain_1): Handle case where
4852 jump edge goes to the same block as the fallthru edge.
4854 2001-01-23 Jim Wilson <wilson@redhat.com>
4856 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4857 * frame.h (__ia64_personality_v1): Add prototype.
4858 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4859 prototype form. Add void * cast to first argument to personality
4861 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4862 (asctoe113): Likewise.
4863 * config/ia64/frame-ia64.c: Include eh-common.h.
4864 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4866 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4868 (itanium_split_issue): Add prototype.
4869 (gen_nop_type): Ifdef out.
4870 (find_best_packet): Initialize best_packet.
4871 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4873 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4874 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4875 (flushrs): Add explicit stop bit at end.
4876 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4879 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4881 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4883 * libgcc2.c (__terminate_func): Make variable static.
4884 (__terminate_set_func): New function to set __terminate_func.
4885 * libgcc2.h (__terminate_func_ptr): New typedef.
4886 (__terminate_set_func): New function.
4888 2001-01-23 Richard Henderson <rth@redhat.com>
4890 * flow.c (init_propagate_block_info): Don't consider unchanging
4891 memories for dead frame store elimination.
4893 2001-01-23 Richard Henderson <rth@redhat.com>
4895 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4896 * defaults.h: ... here.
4898 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4900 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4902 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4904 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4906 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4908 * rs6000.h (rs6000_return_addr): Move prototype from here...
4909 * rs6000-protos.h (rs6000_return_addr): ...to here.
4910 (rs6000_init_expanders): Delete prototype.
4912 2001-01-23 Nick Clifton <nickc@redhat.com>
4914 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4915 (Spec Files): Document %B and %j and %. and %v3 and %M and
4916 %{S*&T} spec switches.
4918 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4920 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4922 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4923 Neil Booth <neil@daikokuya.demon.co.uk>
4925 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4926 Have -Werror make pedantic warnings errors, like the
4929 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4931 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4933 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4935 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4936 * integrate.c (expand_inline_function): Initialize them.
4937 (subst_constants): If changing COMPARE so that both its arguments
4938 will be VOIDmode and the comparison mode will be lost, note
4939 compare_mode. Use the recorded compare_mode to optimize
4942 2001-01-23 Jason Merrill <jason@redhat.com>
4944 * dwarf2out.c (new_die): Use xcalloc.
4945 (output_die): Abort rather than emit a local reference to offset 0.
4947 2001-01-17 Andrew Haley <aph@redhat.com>
4949 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4950 of a saved register; return NULL instead.
4951 (copy_reg): Take a pointer to a source register rather than a
4953 (next_stack_level): Remember the address in the stack frame of all
4955 Use the saved register pointer array as the source of the CFA.
4956 (throw_helper): Rewrite. Unwind once rather than twice and keep
4957 track of saved registers as we go.
4959 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4961 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4962 * c4x.c (c4x_legitimize_reload_address): Remove.
4963 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4964 reload address for ldp(k) insn.
4966 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4968 * pa.md (return_internal): Add a USE of the PIC register to ensure
4969 it is restored after each call.
4970 (return expander): Corresponding changes.
4972 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4974 * rs6000.h (INIT_EXPANDERS): Delete.
4975 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4976 * rs6000.c (rs6000_override_options): Call *_machine_status from
4978 (rs6000_init_expanders): ...instead of here. Delete.
4979 (rs6000_mark_machine_status): New function.
4980 (rs6000_init_machine_status): Use xcalloc.
4981 (rs6000_return_addr): Generate RTX for the return address.
4982 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4983 (rs6000_stack_info): Use it.
4985 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4987 * gthr-win32.h: Include errno.h to get a declaration for
4988 EINVAL and _mingw.h if the target is mingw32.
4990 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4992 * cpp.texi: Correct typos.
4994 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4996 * explow.c (probe_stack_range): Ensure value passed to
4997 stack_check_libfunc is ptr_mode, not Pmode.
4999 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
5001 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
5002 case, don't use operand_subword to calculate a SUBREG that is
5005 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
5007 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5009 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
5010 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
5011 valid. If not replace it by equivalent insns.
5013 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5015 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
5016 contains SYMBOL_REF, LABEL_REF and CONST_INT.
5017 (c4x_U_constraint, symbolic_address_operand): Likewise.
5018 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
5020 (c4x_r11_set_p, c4x_check_laj_p): New functions.
5021 * c4x-protos.h (c4x_check_laj_p): Add prototype.
5022 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
5023 anulling slot because of silicon bug.
5024 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
5026 2001-01-22 Alan Modra <alan@linuxcare.com.au>
5028 * cppexp.c (parse_charconst): Change `mask' type to agree
5031 2001-01-21 Richard Henderson <rth@redhat.com>
5033 * config/i386/i386.c (ix86_asm_file_end): Disable putting
5034 pic_label_name in a linkonce section.
5036 2001-01-17 Philipp Thomas <pthomas@suse.de>
5038 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
5040 * configure: Regenerate.
5042 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
5044 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
5045 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
5047 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
5049 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
5050 If REVERSE nonzero then condition code in X must be reversed.
5051 (encode_section_info): Optimise if/else.
5052 (avr_function_value): Fix formatting.
5054 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
5055 (difficult_branch): Likewise.
5056 (rvbranch): Likewise.
5057 (difficult_rvbranch): Likewise.
5059 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
5061 * config/avr/libgcc.S: Fix comment.
5063 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5065 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
5067 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5069 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
5071 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
5073 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
5074 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
5075 * configure, config.in: Regenerate.
5076 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
5077 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
5078 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
5079 (doprint.o): New rule.
5081 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
5083 * c-typeck.c (digest_init): Handle boolean types as scalars.
5085 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5087 * stmt.c (expand_return): Don't return anything if size is zero.
5088 Delete redundant assignment to BYTES.
5089 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
5091 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
5093 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
5094 the same as the default library function names.
5095 * config/avr/avr.md: Document special characters after '%'.
5096 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
5097 knowing which of the call-used registers are really clobbered.
5098 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
5099 New. Both quotient and remainder from one libgcc.S call.
5100 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
5101 clobber as few registers as possible.
5102 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
5104 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
5106 * cppmacro.c (funlike_invocation_p): Don't move back up to the
5107 context of the top of the stack.
5109 2001-01-20 Jakub Jelinek <jakub@redhat.com>
5111 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
5112 (fixup_var_refs_insns): ...here.
5114 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
5116 * function.c (fixup_var_refs_insns): Break up into
5117 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
5118 [loop over entire insn list], and fixup_var_refs_insns_with_hash
5119 [loop over hash table entries].
5120 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
5121 fixup_var_refs_insns_with_hash, to match above changes.
5123 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
5125 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
5126 (libgcc.a): Likewise.
5127 (stmp-multilib): Likewise.
5128 (STAGE2_FLAGS_TO_PASS): Likewise.
5130 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
5132 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
5133 temporary if no_new_pseudos.
5135 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
5137 * cppinternals.texi: Update.
5139 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
5141 * arm.c (arm_init_builtins): Re-enable builtins.
5143 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5145 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
5146 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
5147 element to be null, and always expect an EXPR_LIST.
5148 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
5149 * sched-deps.c (sched_analyze_1): Likewise.
5150 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5152 * regclass.c (max_set_parallel): New variable.
5153 (reg_scan): Take it into account in computation of max_parallel.
5154 (reg_scan_mark_refs, case SET): Compute it.
5156 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
5158 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
5159 * function.c (assign_parms): Use INTVAL for a CONST_INT.
5161 2001-01-19 Jason Merrill <jason@redhat.com>
5163 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
5164 for the abstract instance of an inline function.
5166 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
5167 J"orn Rennecke <amylaar@redhat.com>
5169 * reload1.c (move2add_note_store): Treat all registers directly or
5170 indirectly derived from a base register as members of the same set
5172 (reload_cse_move2add): Adjust accordingly. Take mode and offset
5173 of base register into account.
5175 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
5177 * alias.c (find_base_value): Recognize TRUNCATE.
5178 (record_set): In PLUS case, invalidate if other summand is also a
5181 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5183 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
5184 entry to be EXPR_LIST.
5185 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
5186 be an EXPR_LIST (but not null, which other code doesn't allow).
5187 (note_stores): Properly handle PARALLEL in SET.
5188 Recursively call for top-level PARALLEL.
5189 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
5190 * sched-rgn.c (check_live_1, update_live_1): Likewise.
5192 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
5194 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
5196 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
5197 not pfile->skipping (== 0).
5199 2001-01-17 Nick Clifton <nickc@redhat.com>
5201 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
5204 2001-01-17 Jim Wilson <wilson@redhat.com>
5206 * invoke.texi (IA-64 options): Improve.
5208 2001-01-17 Tom Tromey <tromey@redhat.com>
5210 * invoke.texi (Optimize Options): Use `{}' to around @samp
5213 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
5215 * invoke.texi (-fno-guess-branch-probability): New option.
5217 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5219 * combine.c (try_combine): Don't set i3_subst_into_i2 for
5220 case of making new double-word constant.
5221 Revert last change: instead just test i3_subst_into_i2.
5223 2001-01-17 Jakub Jelinek <jakub@redhat.com>
5225 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
5226 Use q constraints instead of r.
5228 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
5230 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
5231 (machine_function): Define.
5232 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
5233 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
5234 pa_free_machine_status): New functions.
5235 (override_options): Set {init,mark,free}_machine_status to above.
5236 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5237 PIC_OFFSET_TABLE_REGNUM_SAVED.
5238 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
5239 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
5240 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
5241 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
5242 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5244 2001-01-15 DJ Delorie <dj@redhat.com>
5246 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
5250 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5252 * flow.c (propagate_on_insn): Make trying to delete a prologue
5253 or epilogue insn an ICE, not a warning. Allow doing this if
5254 the current function returns with stack pointer depressed.
5256 * combine.c (try_combine): If i3_subst_into_i2, properly check for
5257 I3 having more than one SET.
5259 2001-01-16 Jim Wilson <wilson@redhat.com>
5261 * invoke.texi: Document IA-64 options.
5263 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
5264 (fixup_errata): Delete TARGET_A_STEP use.
5265 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
5266 (TARGET_SWITCHES): Delete -ma-step option.
5267 * config/ia64/ia64.md (all FP patterns): Delete %B0.
5268 (movqicc_astep, movqi_internal_astep, movhicc_astep,
5269 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
5270 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
5271 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
5272 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
5274 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
5275 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
5276 cmovsi_internal): Delete ! TARGET_A_STEP check.
5278 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5280 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
5281 possibility to report bugs via postal mail. Change a URL and
5282 merge in a nearly duplicate statement...
5283 (Bug Reporting): ...from here.
5284 (Service): Refer to the Bug Reporting section instead of
5286 (Contributing): Remove trivial explanations concerning snapshots.
5288 2001-01-16 Alan Modra <alan@linuxcare.com.au>
5290 * cppmain.c (general_init): Don't use ANSI prototype.
5292 2001-01-16 Tom Tromey <tromey@redhat.com>
5294 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
5296 2001-01-16 Richard Henderson <rth@redhat.com>
5298 * config/i386/i386.h: Fix comment typo.
5299 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
5300 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
5302 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5304 * gcc.c: Revert previous -fsyntax-only-related change; move
5307 2001-01-16 Jakub Jelinek <jakub@redhat.com>
5309 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
5310 inmode after checking GET_CODE (op).
5312 2001-01-16 Richard Henderson <rth@redhat.com>
5314 * flow.c (struct propagate_block_info): Add mem_set_list_len.
5315 (MAX_MEM_SET_LIST_LEN): New.
5316 (propagate_one_insn): Update mem_set_list_len.
5317 (invalidate_mems_from_autoinc): Likewise.
5318 (invalidate_mems_from_set): Likewise.
5319 (mark_used_regs): Likewise.
5320 (init_propagate_block_info): Likewise. Stop collecting memories
5321 when we reach MAX_MEM_SET_LIST_LEN.
5322 (mark_set_1): Likewise.
5324 2001-01-16 Richard Henderson <rth@redhat.com>
5326 * unroll.c (precondition_loop_p): Fail if no iteration
5329 2001-01-16 Phil Edwards <pme@sources.redhat.com>
5331 * gcc.c: When -fsyntax-only is given, do not complain about
5334 2001-01-15 Richard Henderson <rth@redhat.com>
5336 * config/i386/i386.c (asm_output_function_prefix): Remove.
5337 (ix86_asm_file_end): New.
5338 (load_pic_register): Generate pic_label_name into a
5339 staticly allocated buffer.
5340 * config/i386/i386-protos.h: Update.
5341 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
5342 (ASM_FILE_END): New.
5343 * config/i386/i386afe.h: New file.
5344 * config.gcc (i?86-*-elf) [tm_file]: Use it.
5345 (i?86-*-{freebsd,linux*,moss*}): Likewise.
5346 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
5347 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
5348 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
5349 * config/i386/sco5.h (ASM_FILE_END): Likewise.
5350 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
5352 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
5354 * Makefile.in (install-man): Remove explicit dependency on
5357 * configure.in, configure: Revert previous patch requiring perl
5360 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
5362 * toplev.c (flag_guess_branch_prob): New.
5363 (f_options): Add guess-branch-probability option.
5364 (rest_of_decl_compilation): Only estimate branch probability if
5366 (main): set flag_guess_branch_prob.
5368 * flags.h (flag_guess_branch_prob): New.
5370 2001-01-15 DJ Delorie <dj@redhat.com>
5372 * gcc.texi (Makefile): Add documentation for Makefile targets.
5374 2001-01-15 Philip Blundell <philb@gnu.org>
5376 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
5378 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
5379 (is_pic): Delete declaration.
5380 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
5381 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
5382 * config/arm/arm.md (builtin_setjmp_receiver): New.
5384 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5386 * arm.c (use_return_insn): Don't try to determine the function type
5387 until after reload has completed.
5388 (arm_output_epilogue): Don't adjust the sp value recovered from the
5390 (emit_multi_reg_push): Don't record dwarf information for the pc.
5391 * arm.md (eh_epilogue): The function type may have changed, so it
5392 needs to be recalculated.
5393 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
5394 unwind tables on arm/netbsd.
5396 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5398 * arm.md (cbranchsi4): Correct calculation of branch ranges.
5399 (negated_cbranchsi4): Likewise.
5401 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
5403 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
5404 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5405 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
5406 pass -mapcs-* options to assembler.
5407 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
5408 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
5409 (ASM_SPEC): Call subtarget_extra_asm_spec.
5411 2001-01-15 Andreas Jaeger <aj@suse.de>
5413 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
5415 (ix86_expand_builtin): Likewise.
5417 * gencodes.c (output_predicate_decls): Make i size_t to avoid
5418 warning about comparison between signed and unsigned.
5420 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5422 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
5424 2001-01-14 Ralf Baechle <ralf@gnu.org>
5426 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
5427 SUBTARGET_CPP_SPEC apropriatly.
5429 2001-01-12 Mark Mitchell <mark@codesourcery.com>
5431 * varasm.c (make_decl_rtl): Fix typo in last change.
5433 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
5435 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
5436 linker supports the init_priority C++ attribute.
5437 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
5438 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
5439 linker does not support init_priority C++ attribute.
5441 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
5443 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
5445 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5447 * c-parse.in (finish_parse): Add comment about cpp_destroy.
5448 * cp/lex.c (finish_parse): Similarly.
5449 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
5450 Return the number of errors encountered.
5451 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
5452 * cppmain.c (main): Don't call cpp_destroy.
5454 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
5456 * configure.in: Require at least perl 5.6.0 to regenerate
5458 * configure: Regenerate.
5460 2001-01-14 Richard Henderson <rth@redhat.com>
5462 * genrecog.c (DT_veclen_ge): New.
5463 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
5464 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
5465 (nodes_identical_1): Handle DT_veclen_ge.
5466 (write_cond, debug_decision_2): Likewise.
5468 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5470 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
5472 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
5474 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
5476 * cppmain.c (do_preprocessing): New function; most of the old
5478 (main): Call it to do most of the work.
5479 (cb): Move from global scope to set_callbacks ().
5480 (setup_callbacks): Get the callback pointer.
5481 (general_init, printer_init): Clean up code and comments.
5483 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
5485 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
5488 2001-01-14 Kazu Hirata <kazu@hxi.com>
5490 * config/h8300/h8300.c (get_shift_alg): Update comments.
5492 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5494 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
5495 (alloc_page, ggc_alloc): Add casts to remove warnings.
5497 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
5499 * combine.c (simplify_comparison): Don't change `code' when
5500 can't reverse comparison.
5502 2001-01-14 Richard Henderson <rth@redhat.com>
5504 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
5505 update all call sites. Return true for all non-label constants.
5507 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
5509 * i386.c (ix86_expand_compare): Add bypass_test and second_test
5511 (ix86_expand_branch): Update.
5512 (ix86_expand_setcc): Update to handle multiple test conditions.
5513 (expand_int_movcc): Likewise.
5514 (expand_fp_movcc): Likewise.
5515 * i386-protos.h (ix86_expand_compare): New.
5516 * i386.md (andqi_?_slp, orqi_?_slp): New.
5517 (conditional trap expander): Update call to ix86_expand_compare.
5519 2001-01-14 Richard Henderson <rth@redhat.com>
5521 * config/vax/vax.md: Use nonimmediate_operand instead of
5522 general_operand in destinations.
5524 * config/vax/vax.md (indirect_jump): Use register_operand.
5526 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
5527 * config/vax/vax.md (call_pop): Turn into an expander.
5528 (call_value_pop): Likewise.
5529 (call, call_value): New.
5531 2001-01-14 Andreas Jaeger <aj@suse.de>
5533 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
5535 (ix86_fp_compare_mode): Add unused attribute.
5536 (ix86_expand_fp_movcc): Remove unused variable.
5537 (ix86_expand_builtin): Make fcode unsigned.
5539 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
5540 (expand_expr): Add cast to avoid signed warning.
5541 (store_field): Likewise.
5542 (store_constructor_field): Likewise.
5543 (store_constructor): Likewise.
5544 (store_expr): Likewise.
5545 (clear_storage): Likewise.
5546 (emit_group_store): Likewise.
5547 (emit_group_load): Likewise.
5549 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5551 * c-common.c: Move format checking code to ...
5552 * c-format.c: ... here. New file. Reorder some functions and
5554 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
5556 * c-common.h (decl_handle_format_attribute,
5557 decl_handle_format_arg_attribute): Declare.
5558 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
5559 (c-common.o): Adjust dependencies.
5560 (c-format.o): New list of dependencies.
5562 2001-01-13 Jakub Jelinek <jakub@redhat.com>
5564 * unroll.c (loop_iterations): If we cannot prove iteration variable
5565 is set once in each iteration, punt.
5567 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
5569 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
5570 (*strlenhi): Remove clobber (which was buggy) of output address.
5572 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5574 * Makefile.in (generated-manpages): Add gcc.1
5575 ($(srcdir)/gcc.1): New target.
5576 (maintainer-clean): Delete $(srcdir)/gcc.1.
5577 * gcc.texi: Add macros @gccoptlist and @gol.
5578 * invoke.texi: Include option summary in manpage. Mark up option
5579 summary with @gccoptlist and @gol. Use @r in one place where
5581 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
5582 * gcc.1: Generate from invoke.texi.
5584 2001-01-13 Richard Henderson <rth@redhat.com>
5586 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
5587 (struct page_entry): Add group member.
5588 (struct page_group): New.
5589 (struct globals): Add page_groups member.
5590 (alloc_anon): Only define for using mmap; remove valloc call.
5591 (page_group_index): New.
5592 (set_page_group_in_use): New.
5593 (clear_page_group_in_use): New.
5594 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5595 (free_page, release_pages): Likewise.
5596 * configure.in (with-gc): Default to ggc-page always.
5598 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5600 * reload1.c (replace_pseudos_in_call_usage): Use
5601 reg_equiv_constant and reg_equiv_address, and don't try
5602 regno_reg_rtx first.
5604 2001-01-13 Richard Henderson <rth@redhat.com>
5606 * ggc-page.c (alloc_page): Round up allocation size to one page.
5607 Set e->order on extra pages.
5609 2001-01-13 Richard Henderson <rth@redhat.com>
5611 * genrecog.c (nodes_identical): Expand commentary.
5612 (write_switch): Watch out for identical nodes.
5614 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5616 * cppfiles.c (_cpp_fake_include): New function.
5617 * cpphash.h (_cpp_fake_include): New.
5618 * cpplib.c (do_line): Call _cpp_fake_include when entering
5619 header files in preprocessed input.
5620 * cppmain.c (cb_pragma_implementation): Remove handling.
5621 (setup_callbacks): Don't register pragmas.
5623 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5625 * extend.texi: Udate for CPP.
5627 2001-01-13 Andreas Jaeger <aj@suse.de>
5629 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5631 * regmove.c: Add prototype for replace_in_call_usage.
5633 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5635 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5636 struct cpp_chunk, struct htab, struct toklist,
5637 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5638 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5639 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5640 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5641 (struct macro_args): Delete.
5642 * cpphash.h: See above.
5644 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5646 * cppmain.c (struct printer): Remove no_line_dirs.
5648 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5649 : Use options rather than CPP_OPTION.
5650 (setup_callbacks): Use cb rather than pfile->cb.
5651 (main): No need to check for a buffer. Use cpp_errors.
5652 (printer_init): Don't set no_line_dirs.
5653 (maybe_print_line): Use options not no_line_dirs.
5654 (cb_file_change): Don't call print_line if -P.
5656 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5658 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5660 * c-parse.in (finish_parse): Use cpp_errors.
5661 (__yylex): Use return value of cpp_pop_buffer.
5662 * cp/lex.c (finish_parse): Use cpp_errors.
5663 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5665 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5667 * README.AVR: URLs corrected.
5669 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5671 * c-decl.c (start_function): Don't warn if old prototype is builtin
5672 that's not in C's namespace.
5673 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5674 (_bb): Add prototype for ctime.
5675 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5677 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5679 * i386.c (ix86_fp_comparison_arithmetics_cost,
5680 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5681 ix86_fp_comparison_cost): New functions.
5682 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5683 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5684 two-branch sequences; make static.
5685 (ix86_use_fcomi_compare): Do decision according to the costs.
5686 (split_fp_branch): New.
5687 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5688 * i386-protos.h (ix86_expand_fp_compare): Remove
5689 (ix86_split_fp_branch): Declare.
5691 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5692 and ix86_comparison_operator.
5694 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5697 * i386.c (put_condition_code): Output properly the unordered/ordered
5698 compares in fp case.
5699 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5701 * tm.texi (REVERSE_CONDITION): Document.
5702 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5703 in -ffast-math mode.
5704 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5706 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5708 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5710 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5713 * config/sh/sh.c (mova_p): Fix test for mova_const.
5715 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5717 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5718 cpp_get_options rather than dereferencing pfile and using
5720 * scan-decls.c (scan_decls): Use return value of
5721 cpp_pop_buffer rather than CPP_BUFFER.
5723 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5725 * cppinit.c (cpp_handle_option): help_only is now part of the
5726 cpp_options structure.
5727 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5728 cpp_set_callbacks): New functions.
5729 * cpplib.h (cpp_callbacks): Break out as a named structure.
5730 (cpp_options): Move help_only here from cpp_reader.
5731 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5732 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5733 cpp_set_callbacks): New prototypes.
5734 * cppmain.c (main): Update for help_only.
5736 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5738 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5739 Also build and remove and install and uninstall c-tree.info and
5741 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5742 ($(srcdir)/cppinternals.info): New target.
5743 * c-tree.texi: Change file name used when makeinfo used without -o
5744 from ir.info to c-tree.info. Add info directory entry.
5745 * cppinternals.texi: Add info directory entry.
5746 * .cvsignore: Update.
5748 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5750 * c-typeck.c (store_init_value): Don't require constant initializer
5751 elements with -pedantic -std=c99.
5752 (digest_init): Change error about non-constant initializer elements
5754 (constructor_range_end): Remove.
5755 (constructor_incremental, designator_depth,
5756 designator_errorneous): New variables.
5757 (struct constructor_stack): Remove range_end, add incremental.
5758 (struct constructor_range_stack, constructor_range_stack): New.
5759 (struct initializer_stack): Add constructor_range_stack.
5760 (finish_init): Set it.
5761 (start_init): Likewise. require_constant_elements for non-static
5762 trees only if not flag_isoc99.
5763 (really_start_incremental_init): Remove constructor_range_end, add
5764 constructor_incremental.
5765 (pop_init_level): Likewise.
5766 (push_init_level): Likewise. If implicit and the subobject had some
5767 value set already, preinitialize the level with it.
5768 Warn about missing braces only if not pushing due to designators.
5769 (set_designator, push_range_stack): New functions.
5770 (set_init_label): Use them.
5771 (set_init_index): Likewise. Remove constructor_range_end.
5772 Error if designator index is outside of array bounds.
5773 (add_pending_init): Compare values of purpose index trees, not the
5774 trees themselves. Allow overwriting of already initialized element.
5775 Issue a warning if it had side-effects.
5776 (set_nonincremental_init, set_nonincremental_init_from_string): New
5778 (pending_init_member): Rename to...
5779 (find_init_member): ...this function. Call set_nonincremental_init
5780 if necessary. Compare values of purpose index trees, not the trees
5781 themselves. Return the actual value, not just non-zero if something
5783 (output_init_element): Remove checks for duplicates.
5784 If field has zero size, only check the initializer for correctness.
5785 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5786 if constructor_incremental is zero. Change error about initializers
5787 not computable at load time into pedwarn.
5788 (output_pending_init_elements): Compare bit positions, not
5789 FIELD_DECLs to take into account zero-sized fields.
5790 (process_init_element): Use constructor_range_stack to fill all
5791 ranges in the designator lists from current level up.
5792 * extend.texi: Update documentation for labeled elements.
5794 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5796 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5797 to function usage for arguments passed by reference. Optimize
5798 callee-copied arguments.
5799 * regmove.c (replace_in_call_usage): New function.
5800 (fixup_match_1): Call it.
5801 * cse.c (cse_insn): Canonicalize registers in function usage.
5802 * reload1.c (replace_pseudos_in_call_usage): New function.
5805 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5808 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5810 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5813 2001-01-12 DJ Delorie <dj@redhat.com>
5815 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5816 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5819 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5821 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5822 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5823 -std options alongside references to -ansi. Update some
5824 documentation for C99.
5825 * cpp.1: Regenerate.
5827 2001-01-12 Andreas Jaeger <aj@suse.de>
5829 * haifa-sched.c (restore_line_notes): Remove argument block B
5831 * sched-ebb.c (schedule_ebb): Change caller.
5832 * sched-rgn.c (schedule_region): Likewise.
5833 * sched-int.h (restore_line_notes): Adjust prototype.
5835 * loop.h: Remove wrong declaration of doloop_condition_get.
5837 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5839 * extend.texi: Move C++-extension-related node from the C section
5840 into the C++ section.
5842 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5844 * extend.texi: Refer to an array of pointers to functions instead
5845 of one of functions.
5847 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5848 Jan Hubicka <jh@suse.cz>
5850 * combine.c (reversed_comparison): Fix typo in last patch.
5852 (combine_reversed_comparison_code): Make static to follow
5853 prototype declaration.
5855 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5857 * install.texi: Remove misplaced duplicate entry.
5859 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5861 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5863 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5865 * final.c: (leaf_function_p): Fix typo.
5867 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5869 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5870 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5872 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5873 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5874 mmap_anon, and valloc is available.
5875 * ggc-page.c: Restructure ifdef logic to match new autoconf
5876 spec. Don't throw away the test page in init_ggc.
5878 * configure, config.in: Regenerate.
5880 2001-01-12 Michael Hayes <mhayes@redhat.com>
5882 * loop.h (total_biv_increment): Constify iv_class pointer.
5883 (struct induction): Replace `mem_mode' with `mem' rtx.
5884 * unroll.c (total_biv_increment): Constify iv_class pointer.
5885 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5886 (find_mem_givs, combine_givs_p): Likewise.
5887 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5889 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5891 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5893 (__gthread_getspecific): Ditto.
5895 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5897 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5898 put_condition_code): Convert fp comparison codes to integer
5900 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5903 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5904 * i386-protos.h (no_comparison_operator): Kill.
5906 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5908 * combine.c (REVERSIBLE_CC_MODE): Remove.
5909 (reversible_comparison_p): Remove.
5910 (combine_reversed_comparison_code): New.
5911 (reversed_comparison): New.
5912 (combine_simplify_rtx): Use
5913 combine_reversed_comparison_code/reversed_comparison instead
5914 of reversible_comparison_p.
5915 (simplify_if_then_else): Likewise.
5916 (simplify_set): Likewise.
5917 (simplify_logical): Likewise.
5918 (if_then_else_cond): Likewise.
5919 (known_cond): Likewise.
5920 (simplify_comparison): Likewise.
5922 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5924 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5925 sizeof (int) is larger than sizeof(__word__).
5927 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5929 * cppinit.c (do_includes): Fix typo.
5931 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5933 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5934 in S_REGS does not occur because not all sources are possible
5935 when a S_REGS is a destination (sometimes needs a clobber).
5936 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5937 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5938 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5939 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5940 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5941 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5942 (lshrdi_const1, lshrsi3_const16): Likewise.
5943 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5944 (*movhi_68hc12, *movqi_68hc12): Likewise.
5945 (movstrictqi): Make sure reloading in D_REGS as a destination
5948 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5950 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5952 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5954 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5955 -D, -U and -A, and don't initialize the builtins.
5956 (do_includes): Error if -include or -imacros with -fpreprocessed.
5957 * cppmain.c (cb_define, cb_undef): Unconditionally process
5959 * tradcpp.c (main): Fix typo.
5961 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5963 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5964 (read_name_map): Use IS_ABSOLUTE_PATH.
5965 * tradcpp.c (get_filename): Likewise.
5967 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5969 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5970 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5971 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5972 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5973 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5974 (cmphi_z_used): Don't use '@' for the output.
5975 (tstqi_z_used): Likewise.
5976 (cmpqi_z_used): Likewise.
5977 (one_cmplsi2): Likewise.
5979 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5981 * config/sh/sh.c (barrier_align): Recognize branch around far
5982 branch and redundant insn.
5984 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5986 * invoke.texi: Restore documentation of the drivers' switches -MD
5989 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5991 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5993 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5994 check-objc//%): Support parallel testing of multilibs.
5995 (TESTSUITEDIR): Set to testsuite by default, but override for
5997 (check-gcc, check-g++, check-g77, check-objc): Enter
6000 2001-01-11 Bernd Schmidt <bernds@redhat.com>
6002 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
6003 * sched-deps.c (deps_may_trap_p): Likewise.
6004 * basic-block.h: Remove a comment.
6005 * flow.c (PROP_POSTRELOAD): Remove.
6006 (update_life_info): Don't add it to prop_flags.
6007 (mark_set_1): Lose the code that was enabled by it.
6009 2001-01-11 Michael Hayes <mhayes@redhat.com>
6011 * flow.c (flow_call_edges_add): New.
6012 * basic_block.h (flow_call_edges_add): New.
6014 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
6016 * reload1.c (move2add_note_store): Update reg_set_luid even if
6017 base reg remains the same.
6019 2001-01-10 Nick Clifton <nickc@redhat.com>
6021 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
6022 machine_function structure to zero.
6023 Add prototypes for machine_status functions.
6025 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6027 * c-common.h (CTI_VOID_LIST): Remove.
6028 (void_list_node): Likewise.
6029 * tree.h (TI_VOID_LIST_NODE): New enumeral.
6030 (void_list_node): New macro.
6031 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
6032 * config/i386/i386.c (ix86_init_builtins): Likewise.
6033 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
6035 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6037 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
6038 * cppinit.c (cpp_start_read): Update comment, remove unneeded
6040 * tradcpp.c: Include mkdeps.h.
6041 (deps, print_deps_phony_targets, deps_append, output_deps,
6042 init_dependency_output, output_deps): New.
6043 (deps_buffer, deps_allocated_size, deps_size, deps_column,
6044 deps_output): Delete.
6045 (print_deps_missing_files): Rename deps_missing_files.
6046 (inhibit_output): Make global.
6047 (main): Delete inhibit_output, deps_stream, deps_target.
6048 Use mkdeps functionality in the same way as cpplib. Remove
6049 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
6050 -M and -MM. Remove old handling of deps via deps_out, and
6051 old reading of environment variables.
6052 (get_filename): Update to use deps_add_dep.
6054 2001-01-10 Mark Mitchell <mark@codesourcery.com>
6056 * output.h (make_function_rtl): Remove prototype.
6057 (make_decl_rtl): Likewise.
6058 * varasm.c (make_function_rtl): Remove.
6059 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
6060 than from a third parameter.
6061 * tree.h (make_decl_rtl): Remove last parameter.
6062 * c-decl.c (builtin_function): Remove last argument in call to
6063 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
6064 (start_function): Likewise.
6065 * except.c (call_get_eh_context): Likewise.
6066 * expr.c (emit_block_move): Likewise.
6067 (clear_storage): Likewise.
6068 * profile.c (output_func_start_profiler): Likewise.
6069 * toplev.c (rest_of_decl_compilation): Likewise.
6070 * objc/objc-act.c (create_builtin_decl): Likewise.
6071 (synth_module_prologue): Likewise.
6072 (generate_static_reference): Likewise.
6073 (build_selector_reference_decl): Likewise.
6074 (build_class_reference_decl): Likewise.
6075 (build_objc_string_decl): Likewise.
6076 (build_protocol_reference): Likewise.
6078 2001-01-10 Richard Henderson <rth@redhat.com>
6080 * hwint.h: Revert yesterday's change.
6082 2001-01-10 Nick Clifton <nickc@redhat.com>
6084 * function.h (save_machine_status): Delete.
6085 (restore_machine_status): Delete.
6086 Amend comment describing {init|mark|free}_machine_status.
6088 * function.c (save_machine_status): Delete.
6089 (restore_machine_status): Delete.
6090 Amend comment describing {init|mark|free}_machine_status.
6091 (push_function_context_to): Remove invocation of
6092 save_machine_status.
6093 (pop_function_context_from): Remove invocation of
6094 restore_machine_status.
6096 * emit-rtl.c (init_emit_once): Amend comment describing
6097 {init|mark|free}_machine_status.
6099 * tm.texi (Per-Function Data): New node. Describe the
6100 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
6103 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6105 * cppinit.c (OPT_g): Remove.
6106 (cpp_handle_option): Update for removed -g3.
6107 (print_help): Update.
6108 * cpplib.h (struct cpp_options): Remove debug_output.
6109 * cppmain.c (setup_callbacks, cb_define): Update.
6110 * gcc.c (cpp_options): Translate -g3 to -dD.
6112 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
6114 * config/i960/i960.md: Change modifier to + on the zero_extract
6115 pattern after the (rotate -2 reg) canonicalization pattern.
6117 2001-01-10 Richard Henderson <rth@redhat.com>
6119 * config/alpha/alpha.c (alpha_free_machine_status): New.
6120 (override_options): Install it.
6121 (alpha_mark_machine_status): Verify machine non-null.
6122 * config/i386/i386.c (ix86_free_machine_status): New.
6123 (override_options): Install it.
6124 (ix86_init_machine_status): Use xcalloc.
6125 (ix86_mark_machine_status): Verify machine non-null.
6126 * config/ia64/ia64.c (ia64_free_machine_status): New.
6127 (ia64_override_options): Install it.
6128 (ia64_mark_machine_status): Verify machine non-null.
6130 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
6132 * function.c (instantiate_virtual_regs): Instantiate virtual
6133 registers found in CALL_INSN_FUNCTION_USAGE.
6135 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6137 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
6138 equivalent to -ansi in disabling -Di386.
6140 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
6142 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
6144 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
6146 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
6148 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
6150 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6152 * invoke.texi: Document that -fcond-mismatch isn't supported for
6155 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
6157 * gcc.texi: Define macro gcctabopt.
6158 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
6159 @command, @env and @option in some places where appropriate. Use
6160 @gcctabopt where appropriate. Put URLs and email addresses inside
6163 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
6165 * gcc.c (cpp_options): Set MD file name from output
6166 filename, if specified.
6167 (suffix_subst): New static variable.
6168 (do_spec): Clear it.
6169 (do_spec_1, case '.'): Handle new `%.suffix' spec.
6171 (give_switch): Handle suffix_subst.
6173 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6175 * invoke.texi: Fix another typo.
6177 2001-01-10 Phil Edwards <pme@sources.redhat.com>
6179 * invoke.texi: Fix typo.
6181 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
6183 * c-lang.c (lang_hooks): Update.
6184 (lang_decode_option): Remove.
6185 (lang_init_options): Rename c_init_options.
6186 * toplev.c (main): Use lang_hooks for lang_init_options
6187 and lang_decode_option.
6188 * toplev.h (lang_hooks): Add 2 new hooks.
6189 * tree.h: Remove lang_init_options and lang_decode_option.
6190 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
6191 * cp/decl2.c: Similarly.
6192 * cp/lex.c (lang_init_options): Rename cxx_init_options.
6193 (lang_hooks): Update.
6194 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
6196 (lang_init_options): Rename ffe_init_options.
6197 (lang_hooks): Update.
6198 (lang_decode_option): Remove.
6199 * java/lang.c (lang_init_options): Rename java_init_options.
6200 (lang_decode_option): Rename java_decode_option.
6201 (lang_hooks): Update.
6202 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
6203 (lang_decode_option): Rename objc_decode_option.
6204 (lang_hooks): Update.
6206 2001-01-09 Nick Clifton <nickc@redhat.com>
6208 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
6209 (d30v_return_addr_rtx): Delete.
6210 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
6211 cfun->machine structure.
6212 (struct machine_function): Move to d30v.h
6213 (d30v_save_machine_status): Delete.
6214 (d30v_restore_machine_status): Delete.
6215 (d30v_init_machine_status): New Function.
6216 (d30v_mark_machine_status): New Function.
6217 (d30v_free_machine_status): New Function.
6218 (d30v_init_expanders): Use new functions.
6219 (d30v_return_addr): Use ra_rtx field in cfun->machine.
6220 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
6221 d30v_return_addr_rtx.
6223 * config/d30v/d30v.h (struct_machine): Move here.
6224 Add eh_epilogue_sp_ofs field.
6226 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
6227 field in cfun->machine structure.
6229 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
6231 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
6232 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
6233 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6235 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
6237 * objc/lang-options.h: Remove bogus reference to
6240 2001-01-09 Kazu Hirata <kazu@hxi.com>
6242 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
6245 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
6247 * reload.c (find_reloads_address): Check for eliminable registers
6248 when substituting a constant expression for a pseudo.
6250 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
6252 * c-common.c (enum format_type): Add format_type_error.
6253 (decode_format_type): New function.
6254 (decl_attributes): Use it.
6255 (format_kind_info): Adjust comment.
6257 2001-01-09 David O'Brien <obrien@BSDi.com>
6259 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
6260 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
6262 * config/i386/gnu.h: Don't include required platform specific .h files,
6263 tm.h will do it instead.
6264 * config/i386/i386elf.h: Likewise.
6265 * config/i386/linux.h: Likewise.
6266 * config/i386/moss.h: Likewise.
6267 * config/mips/gnu.h: Likewise.
6269 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6271 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
6272 (rs6000-ibm-aix3.[01]*): Likewise.
6273 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
6274 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
6275 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
6276 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
6277 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
6278 (powerpc-*-eabiaix*): Likewise.
6279 (powerpc-*-eabisim*): Likewise.
6280 (powerpc-*-elf*): Likewise.
6281 (powerpc-*-eabi*): Likewise.
6282 (powerpc-*-rtems*): Likewise.
6283 (powerpc-*-linux*libc1): Likewise.
6284 (powerpc-*-linux*): Likewise.
6285 (powerpc-wrs-vxworks*): Likewise.
6286 (powerpcle-wrs-vxworks*): Likewise.
6287 (powerpcle-*-sysv*): Likewise.
6288 (powerpcle-*-elf*): Likewise.
6289 (powerpcle-*-eabisim*): Likewise.
6290 (powerpcle-*-eabi*): Likewise.
6291 (powerpcle-*-solaris2*): Likewise.
6292 * config/rs6000/aix31.h: Delete includes.
6293 * config/rs6000/aix3newas.h: Likewise.
6294 * config/rs6000/aix41.h: Likewise.
6295 * config/rs6000/aix43.h: Likewise.
6296 * config/rs6000/beos.h: Likewise.
6297 * config/rs6000/rtems.h: Likewise.
6298 * config/rs6000/sysv4.h: Likewise.
6300 2001-01-09 Kazu Hirata <kazu@hxi.com>
6302 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
6303 Change an argument mode of machine_mode to shift_mode of
6304 shift_mode. Remove an extra error check.
6305 (emit_a_shift): Adopt to the new calling prototype of
6307 (function_prologue): Fix code for a monitor
6308 function. Support H8/S.
6309 (function_epilogue): Do not output pop for a monitor function.
6311 2001-01-09 Nick Clifton <nickc@redhat.com>
6313 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
6314 (setup_incoming_varargs): Use sysv_varargs_p field of the
6315 cfun->machine structure.
6316 (struct machine_function): Move to rs6000.h
6317 (rs6000_save_machine_status): Delete.
6318 (rs6000_restore_machine_status): Delete.
6319 (rs6000_init_machine_status): New Function.
6320 (rs6000_free_machine_status): New Function.
6321 (rs6000_init_expanders): Use new functions.
6323 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
6325 (struct machine_function): Move here.
6327 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
6328 sysv_varargs_p field of the cfun->machine structure.
6330 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
6332 (rs6000_restore_machine_status): Remove prototype.
6334 2001-01-09 Richard Henderson <rth@redhat.com>
6336 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
6337 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
6338 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
6339 (sched_analyze_2, sched_analyze_insn): Likewise.
6340 (sched_analyze, init_deps): Likewise.
6341 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
6342 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
6343 (compute_block_backward_dependences): Update propagate_deps call.
6345 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
6347 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
6349 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6351 * cppinit.c (OPT_MD, OPT_MMD): Restore.
6352 (cpp_handle_option): Handle them.
6353 (cpp_post_options): Ensure one of -M or -MM is specified with
6354 any other -M? option.
6355 (init_dependency_output): Suppress output with -MG.
6357 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6360 * invoke.texi: Update.
6362 2001-01-09 Bernd Schmidt <bernds@redhat.com>
6364 * sh.md (reload_outsf): Generate recognizable patterns for
6367 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
6369 * c-lang.c (lang_hooks): Update.
6370 (lang_init): Rename c_init.
6371 (lang_finish): Remove.
6372 * toplev.c (compile_file): Use lang_hooks for lang_init ()
6374 * toplev.h (lang_hooks): Add init () and finish ().
6375 * tree.h (lang_init, lang_finish): Remove.
6376 * cp/tree.h (lang_init, lang_finish): Remove.
6377 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
6378 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
6380 (lang_init, lang_finish): Remove.
6381 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
6382 (lang_hooks): Update.
6383 * java/lang.c (lang_init): Rename java_init.
6384 (lang_finish): Remove.
6385 (lang_hooks): Update.
6386 * objc/objc-act.c (lang_init): Rename objc_init.
6387 (lang_finish): Remove.
6388 (lang_hoooks): Update.
6390 20001-01-09 Graham Stott <grahams@redhat.com>
6392 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
6393 after `ptr` is initialised.
6395 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6397 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
6398 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
6399 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
6400 stack adjusts, instead of r3.
6402 2001-01-09 Michael Hayes <mhayes@redhat.com>
6404 * flow.c (flow_loop_scan): Break out of ...
6405 (flow_loops_find) ... here.
6406 * basic-block.h (flow_loop_scan): New.
6407 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
6408 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
6410 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
6412 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
6414 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
6415 realloc()ing macro_buffer.
6417 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
6418 if it's wider than long and the target's long is wider than the
6421 2001-01-09 Mark Mitchell <mark@codesourcery.com>
6423 Remove support for using UWIN as a host machine.
6424 * configure.in: Issue an error message.
6425 * configure: Regenerated.
6426 * config.gcc: Remove xm_* UWIN configury.
6427 * config/i386/xm-uwin.h: Remove.
6429 2001-01-08 Nick Clifton <nickc@redhat.com>
6431 * config/v850/v850.c (ra_rtx): Delete.
6432 (v850_save_machine_status): Delete.
6433 (v850_restore_machine_status): Delete.
6434 (v850_init_machine_status): New function.
6435 (v850_mark_machine_status): New function.
6436 (v850_free_machine_status): New function.
6437 (v850_return_addr): Use ra_rtx field in machine structure.
6438 (v850_init_expanders): Use new functions.
6440 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
6441 * config/v850/v850.c: Change arguments to v850_output+* functions
6442 to take a const char *, to avoid compile time warning.
6443 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
6444 (USER_LABEL_PREFIX): Redefine.
6446 2000-01-08 Jim Wilson <wilson@redhat.com>
6448 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
6449 1 to unsigned HOST_WIDE_INT before left shift.
6451 2001-01-08 Nick Clifton <nickc@redhat.com>
6453 * config/arm/arm.c (arm_mark_machine_status): Check to see if
6454 the machine structure has been allocated.
6455 (arm_free_machine_status): New function: Free the machine
6456 specific function structure.
6458 2001-01-08 Richard Henderson <rth@redhat.com>
6460 * jump.c (simplejump_p): Revert last change.
6462 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
6464 * cppinit.c (init): Rename init_library.
6465 (cpp_create_reader): Update.
6466 * gcc.c (cpp_options): If -o given, use it as the target of
6469 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6471 * arm.c (arm_arch5e): New variable.
6472 (all_cores): XScale is a 5TE device.
6473 (arm_override_options): Set arm_arch5e.
6474 (arm_init_builtins): __builtin_prefetch is in arch5e.
6475 * arm.h (arm_arch5e): Declare it.
6477 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
6479 * arm.md (define_constants): Add defines for UNSPEC and
6480 UNSPEC_VOLATILE insns. Update all users.
6481 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
6482 * arm.c (multi_register_push, note_invalid_constants)
6483 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
6484 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
6485 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
6487 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
6489 * jump.c (jump_optimize_1): Use reversed_comparison_code
6490 instead of can_reverse_comparison_p.
6491 (jump_back_p): Likewise.
6492 (invert_exp_1): Likewise.
6493 (thread_jumps): Likewise.
6494 * simplify-rtx.c (simplify_unary_operation): Likewise.
6495 (simplify_ternary_operation): Likewise.
6496 * cse.c (find_comparison_args): Convert to use
6497 can_reverse_comparison_p.
6498 (record_jump_equiv): Likewise.
6500 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
6502 * arm.h (HARD_REGNO_RENAME_OK): Delete.
6503 (EPILOGUE_USES): Define.
6504 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
6505 automatically stack the LR if it isn't live.
6507 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
6509 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
6512 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
6514 * ggc-page.c (max_alignment): New structure.
6515 (MAX_ALIGNMENT): New macro.
6516 (init_ggc): Use it to round up the sizes in the
6517 extra_order_size_table.
6519 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6521 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
6524 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6526 * builtins.def (BUILT_IN_FPRINTF): New entry.
6528 * c-common.c (c_expand_builtin_fprintf): New function.
6529 (init_function_format_info): Handle __builtin_fprintf.
6530 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
6531 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
6533 * c-decl.c (duplicate_decls): Adjust comment.
6535 * extend.texi (fprintf): Document new builtin.
6537 2001-01-07 Richard Henderson <rth@redhat.com>
6539 * jump.c (simplejump_p): Recognize any single_set jump
6542 2001-01-07 Richard Henderson <rth@redhat.com>
6544 * configure.in (slibdir): Accept an --with-slibdir option.
6545 Use "test" not "[" in configure. Default to $(libdir).
6547 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
6549 * config/t-aix43 (SHLIB_INSTALL): Likewise.
6550 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
6551 (SHLIB_LINK): Create links for the soname.
6552 * config/mips/t-iris6: Likewise.
6553 * config/sparc/t-slibgcc: Likewise.
6554 * config/sparc/t-slibgcc-sld: Likewise.
6556 2001-01-07 Jakub Jelinek <jakub@redhat.com>
6558 * config/i386/i386.c (constant_call_address_operand): Accept
6559 (const (plus (symbol_ref) (const_int))).
6560 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
6561 constant_call_address_operand.
6563 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6565 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
6566 and LONG_LONG_TYPE_SIZE > 32.
6568 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6570 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
6571 the previous change.
6573 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
6575 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
6577 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
6578 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
6579 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
6582 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6584 * fix-header.c (read_scan_file): s/pfile/scan_in/.
6586 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6588 * c-lang.c (c_post_options): Call cpp_post_options.
6589 * objc/objc-act.c (objc_post_options): Similarly.
6590 * cppmain.c (main): Similarly.
6591 * fix-header.c (read_scan_file): Similarly.
6592 * cppinit.c (cpp_start_read): Move option consistency checks
6593 to cpp_post_options. Don't call init_dependency_output.
6594 If needed, add default target and main file dependency.
6595 (OPT_MD, OPT_MMD): Remove.
6597 (cpp_handle_option): Update for OPT_* changes.
6598 (cpp_post_options): New.
6599 (init_dependency_output): Command line -MF overrides environment
6600 variables. Don't set default target etc. Suppress output
6601 if dependencies are going to stdout.
6602 (print_help): Update.
6603 * cpplib.h (cpp_post_options): New.
6604 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6606 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6608 * jump.c (comparison_dominates_p): Support unordered compares.
6610 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6612 * simplify-rtx.c (simplify_relational_operation): Always simplify
6613 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6616 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6618 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6619 (nonzero_bits): Likewise.
6620 (simplify_comparison): Likewise.
6621 (num_sign_bit_copies): Likewise; return more sane value depending
6622 on STORE_FLAG_VALUE.
6623 (known_cond): Do not assume EQ to be always true for equivalent
6626 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6628 * cse.c (fold_rtx): Handle unordered comparisons.
6630 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6632 * rtlanal.c (set_of_1): New static function.
6633 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6634 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6635 reg_set_last_last_regno): Remove.
6636 (set_of): New global function.
6637 (set_of_data): New structure.
6638 (reg_set_p, reg_set_last): Revamp for set_of.
6639 * rtl.h (set_of): New.
6641 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6643 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6644 * extend.texi: Document _Exit builtin.
6646 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6648 * (initialize, initialize_builtins,
6649 initialize_dependency_output, initialize_standard_includes):
6650 Rename s/initialize/init. Update.
6651 (init_dependency_output): Move to after
6652 cpp_handle_options, the correct location temporally at least.
6653 (opt_comp): Move next to init (), its caller. Fix prototype.
6654 (init): Make "initialized" local scope.
6655 (cpp_create_reader): Always call init ().
6656 (cpp_start_read): Update.
6657 (output_deps): New function, broken out of cpp_finish.
6658 (cpp_finish): Break out output_deps.
6660 2001-01-07 Richard Henderson <rth@redhat.com>
6662 * collect2.c (COFF specific stuff): Revert 12-06 patch
6663 to prototype system functions.
6665 2001-01-07 Michael Hayes <mhayes@redhat.com>
6667 * hard-reg-set.h: Add multiple include guard.
6668 * basic-block.h (struct loop): Add `sink' field.
6669 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6670 (emit_iv_add_mult): Delete.
6671 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6672 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6673 (unroll_loop): Remove end_insert_before argument.
6674 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6675 (maybe_eliminate_biv_1): Likewise.
6676 (emit_iv_add_mult): Delete.
6677 (gen_add_mult, loop_regs_update): New.
6678 (loop_insn_emit_after, loop_insn_emit_before): New.
6679 (loop_insn_sink, loop_insn_sink_or_swim): New.
6680 (emit_iv_add_mult): Delete.
6681 (scan_loop): Set loop->sink.
6682 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6683 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6684 (maybe_eliminate_biv_1): Likewise.
6685 (maybe_eliminate_biv_1): Add basic block argument.
6686 * unroll.c (unroll_loop): Remove end_insert_before argument.
6687 (find_splittable_regs): Likewise.
6688 (find_splittable_regs): Use loop_insn_sink and its ilk.
6689 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6691 2001-01-07 Michael Hayes <mhayes@redhat.com>
6693 * loop.h (loop_insn_hoist): New prototype.
6694 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6695 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6696 (check_dbra_loop, load_mems): Likewise.
6697 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6698 (find_splittable_givs): Likewise.
6700 2001-01-07 Michael Hayes <mhayes@redhat.com>
6702 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6704 2001-01-07 Richard Henderson <rth@redhat.com>
6706 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6708 2001-01-07 Richard Henderson <rth@redhat.com>
6710 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6711 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6712 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6713 variant that handles a shared libgcc.
6714 (process_command): Always validate -{static,shared}-libgcc.
6715 (do_spec_1): New 'M' case.
6716 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6718 2001-01-07 Richard Henderson <rth@redhat.com>
6720 * Makefile.in (slibdir): New variable.
6721 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6722 (installdirs): Create slibdir.
6723 (install-libgcc, install-multilib): Defer to libgcc.mk.
6724 * configure.in (slibdir): Substitute.
6725 * mklibgcc.in (install): New target.
6727 * config/t-linux (SHLIB_LINK): Create links for the soname.
6728 (SHLIB_INSTALL): New.
6729 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6730 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6731 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6732 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6733 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6735 2001-01-07 Richard Henderson <rth@redhat.com>
6737 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6738 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6739 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6741 2001-01-07 Michael Hayes <mhayes@redhat.com>
6743 * loop.c (count_loop_regs_set): Delete.
6744 (load_mems_and_recount_loop_regs_set): Delete.
6745 (loop_regs_scan): Merge common code from count_loop_regs_set,
6746 scan_loop, and load_mems_and_recount_loop_regs_set.
6747 (scan_loop): Call load_mems directly and loop_regs_scan
6748 again if new registers created.
6750 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6752 * toplev.c (main): Call the front-end specific post_options
6753 hook if one is given.
6754 * toplev.h (struct_lang_hooks, lang_hooks): New.
6755 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6756 for the C front end.
6757 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6758 lang_hooks for the C++ front end.
6759 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6760 lang_hooks for the ObjC front end.
6761 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6762 * java/lang.c (lang_hooks): Hooks for the Java front end.
6764 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6766 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6767 for verbose DWARF[2] debugging.
6768 (cb_define, cb_undef): The new callbacks.
6769 * toplev.h (debug_define, debug_undef): Make const correct.
6770 * toplev.c (debug_define, debug_undef): Similarly. Do not
6771 perform the verbosity tests here anymore.
6773 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6775 * reload.c (subst_reloads): Take INSN argument. When
6776 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6777 * reload.h (subst_reloads): Adjust prototype.
6778 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6779 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6780 present in JUMP_INSNs and copy them to JUMP_LABEL.
6781 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6782 JUMP_INSNs and insns with REG_LABELs that are followed by
6783 JUMP_INSNs with the same REG_LABEL.
6784 * sched-rgn.c (is_cfg_nonregular): Likewise.
6785 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6787 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6789 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6791 2001-01-06 Richard Henderson <rth@redhat.com>
6793 * loop.c (scan_loop): Use xcalloc for the regs array.
6794 (load_mems_and_recount_loop_regs_set): Zero the new memory
6795 received from xrealloc.
6797 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6799 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6801 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6803 * integrate.c (copy_rtx_and_substitute): When copying
6804 an ignored return value, strip REG_FUNCTION_VALUE_P.
6806 2001-01-06 Michael Hayes <mhayes@redhat.com>
6808 * loop.c (debug_biv, debug_giv): New.
6809 (loop_biv_dump): Break out from ...
6810 (record_biv): ... here.
6811 (loop_giv_dump): Break out from ...
6812 (record_giv): ... here.
6813 (loop_bivs_check): Use print_simple_rtl.
6814 * unroll.c (loop_iterations): Use print_simple_rtl.
6816 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6818 * pa.md (return, return_internal): Modify patterns to prevent regrename
6819 mucking with the return pointer.
6821 2001-01-05 Richard Henderson <rth@redhat.com>
6823 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6825 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6827 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6828 version supplied by Matteo Frigo.
6830 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6832 * cpp.texi: Update for -MQ.
6833 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6834 (cpp_cleanup): Always free pfile->deps.
6835 (initialize_dependency_output): Don't create pfile->deps.
6836 (cpp_handle_option): Similarly.
6838 * gcc.c (cpp_options): Handle -MQ.
6839 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6840 * mkdeps.c (base_name): Remove.
6841 (deps_init): Don't allocate vector space until it's needed.
6842 (deps_free): Only free vectors if allocated.
6843 (deps_add_target, deps_add_dep): Update for initial allocation.
6844 (deps_add_default_target): Don't strip to the base_name.
6846 2001-01-05 DJ Delorie <dj@redhat.com>
6848 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6849 (INIT_EXPANDERS): Define.
6851 * config/v850/v850.c (struct machine_function): Define.
6852 (v850_save_machine_status): New function.
6853 (v850_restore_machine_status): New function.
6854 (v850_return_addr): New function.
6855 (v850_init_expanders): New function.
6857 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6858 and v850_init_expanders.
6860 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6862 * cpplib.h (struct cpp_reader): Add help_only field.
6863 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6864 (cpp_handle_option): Set pfile->help_only if we see -h,
6865 --help, -target-help, or --version. Print version string but
6866 do not set help_only if we see -v or -version. Make text
6867 printed by -v match that printed by (-)-version.
6869 * cppmain.c (main): Exit after option parsing if
6870 pfile->help_only is true.
6872 * toplev.c (independent_decode_option): Call print_version,
6873 then exit, if we see --version (but not -version).
6874 (print_version): Split lengthy message into two lines.
6876 2001-01-05 Nick Clifton <nickc@redhat.com>
6878 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6879 temporary string for initialisation before calling ggc_alloc_string.
6881 2001-01-06 Michael Hayes <mhayes@redhat.com>
6883 * rtl.h (print_simple_rtl): New.
6884 * print-rtl.c (print_simple_rtl): New.
6886 (print_rtx): Disable printing of flags and modes, etc.,
6887 if `flag_simple` nonzero.
6889 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6891 * function.c (fixup_var_refs): Use push_to_full_sequence where
6894 2001-01-05 Michael Meissner <meissner@redhat.com>
6896 * flags.h (flag_reorder_blocks): Add declaration.
6897 (flag_rename_block): Ditto.
6899 2001-01-05 DJ Delorie <dj@redhat.com>
6901 * function.c (reorder_blocks): Make sure the flags are all reset
6902 before using them to mark blocks, else a second invocation will
6903 corrupt the block chain.
6904 (reorder_blocks_0): New, resets the flags.
6906 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6908 * cse.c (find_comparison_args): Stop if the argument is known to
6911 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6913 * config/sh/sh.md (movdf): When splitting load into pair of
6914 registers, don't clobber the register used in the address too
6917 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6919 * varasm.c (mark_constant_pool): Improve initial comments.
6920 (mark_constants): Move marking of constants to mark_constant.
6921 (mark_constant): New function to recursively mark all constants
6922 referred to by a constant.
6924 2001-01-05 Catherine Moore <clm@redhat.com>
6926 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6928 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6930 * cp/lang-options.h: Bring comment in line with reality.
6931 * f/lang-options.h: Likewise.
6932 * java/lang-options.h: Likewise.
6933 * objc/lang-options.h: Likewise.
6934 * ch/lang-options.h: Likewise.
6935 * f/g77.texi: And update the manual.
6937 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6938 Denis Chertykov <denisc@overta.ru>
6940 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6941 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6942 * config/avr/avr.md (all peepholes that request a scratch register):
6943 Call it, FAIL the peephole if not safe (in interrupt functions).
6945 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6947 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6949 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6951 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6953 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6954 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6955 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6956 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6957 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6959 * extend.texi: Document these builtins.
6961 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6963 * c-common.c (lang_get_alias_set): Say we know nothing of
6964 VECTOR_TYPE aliasing.
6966 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6968 2001-01-05 Bruce Korb <bkorb@gnu.org>
6970 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6971 their x* equivalent versions for atexit-less systems
6972 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6973 systems (or any other system any more).
6975 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6977 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6978 output operands. Use arm_hard_register_operand for operand 4.
6979 (stmsi_postinc): Similarly.
6980 (ldmsi): Use arm_hard_register_operand for opernand 2.
6982 * arm.c (arm_hard_register_operand): New function.
6983 * arm-protos.h (arm_hard_register_operand): Prototype it.
6985 * arm.h (HARD_REGNO_RENAME_OK): Define.
6987 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6989 * simplify-rtx.c (cfc_args): add "unordered" field.
6990 (check_fold_consts): Set unordered field.
6991 (simplify_relational_operation): Simplify the unordered
6994 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6997 * emit-rtl.c (try_split): Fix code to mark labels.
6998 * jump.c (mark_jump_label): Make global.
6999 * rtl.h (mark_jump_label): Declare.
7001 * predict.c (estimate_probability): Handle unordred comparisons.
7003 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
7005 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
7006 * cppinit.c (initialize_dependency_output): Update.
7007 (cpp_finish): Output dummy targets for -MP.
7009 (cpp_handle_option): Handle -MP. Don't quote -MT options.
7010 * cpplib.h (struct cpp_options): Add deps_phony_targets.
7011 * gcc.c (cpp_options): Update to handle -MP.
7012 * mkdeps.c (deps_add_target, deps_add_default_target): Update
7013 to quote only the default target.
7014 (deps_phony_targets): Insert a preceding newline. Rename from
7015 deps_dummy_targets for consistency.
7018 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7020 * calls.c (emit_library_call_value_1): Support
7021 INIT_CUMULATIVE_LIBCALL_ARGS.
7022 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
7024 2001-01-04 Richard Henderson <rth@redhat.com>
7026 * c-decl.c (finish_struct): Detect flexible array members
7027 used in an inappropriate context.
7028 * c-typeck.c (really_start_incremental_init): Special case
7029 constructor_max_index for zero length arrays.
7030 (pop_init_level): Allow initialization of flexible array
7031 members. Deprecate initialization of zero length arrays.
7032 Don't issue missing initializer warning for flexible array
7033 members or zero length arrays.
7034 (process_init_element): Don't dereference null DECL_SIZE.
7035 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
7036 Don't abort for empty constructors. Use size_binop
7037 (output_constructor): Add commentary regarding zero length
7038 array futures. Abort if we try to initialize an array of
7039 unspecified length with a non-empty constructor in the middle
7042 * extend.texi (Zero Length): Update and clarify documentation
7043 on static initialization.
7045 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7047 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
7048 with more than 32767 words of local storage.
7050 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7052 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
7053 for 'abs', 'labs', and 'fabs'.
7054 (c4x_expand_builtin): Likewise.
7055 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
7057 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
7059 * config/sh/sh.md (prget, prset): New insn types.
7060 (return delay slot): Dont' allow prset.
7061 (call, sfunc delay slot): Don't allow prget.
7062 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
7063 for prset and prget.
7065 2001-01-05 Michael Hayes <mhayes@redhat.com>
7067 * loop.h (struct loop_reg): New.
7068 (struct loop_regs): Change to use array of `struct loop_reg'.
7069 * loop.c: Replace assortment of varrays with single regs array.
7070 (count_one_set): Delete may_not_move array argument
7071 and use regs array instead. All caller's changed.
7072 (count_loop_regs_set): Delete may_not_move and single_usage
7073 arguments and use regs array instead. All caller's changed.
7074 (find_single_use_in_loop): Replace usage array argument with pointer
7075 to regs structure. All caller's changed.
7076 (loop_optimize): Delete `moved_once' array.
7078 2001-01-05 Michael Hayes <mhayes@redhat.com>
7080 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
7081 Use it instead of loop_info->has_call for scanning loop mems.
7082 (check_dbra_loop): Replace loop_info->has_call test with
7083 loop_info->has_nonconst_call.
7085 2000-01-04 Matthew Hiller <hiller@redhat.com>
7087 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
7090 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7092 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
7093 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
7095 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
7097 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
7098 (flag_short_double, flag_short_wchar): Define.
7099 (c_common_nodes_and_builtins): Create many tree nodes shared
7100 between C and C++ here instead of in cp/decl.c and ...
7101 * c-decl.c (init_decl_processing): ... here.
7102 (SIZE_TYPE, WCHAR_TYPE): Don't define.
7103 (flag_short_double, flag_short_wchar): Don't define.
7104 (record_builtin_type): New function.
7105 (build_void_list_node): New function.
7106 * c-common.h (flag_short_double, flag_short_wchar,
7107 record_builtin_type, build_void_list_node): Declare.
7109 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
7111 * integrate.c (expand_inline_function): Don't put a virtual
7112 register into the reg map.
7114 * function.c (fixup_var_refs_1): If force_operand didn't put
7115 the address into the target, move it there.
7117 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7119 Special-case tree_decl/tree_list allocations.
7120 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
7121 (OBJECT_SIZE): New macro.
7122 (NUM_EXTRA_ORDER): Likewise.
7123 (extra_order_size_table): New variable.
7124 (NUM_ORDERS): New macro.
7125 (objects_per_page_table): New variable.
7126 (object_size_table): New variable.
7127 (G.pages): Use NUM_ORDERS to bound the array.
7128 (G.page_tails): Likewise.
7129 (DIV_ROUND_UP): Remove.
7130 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
7131 (alloc_page): Use OBJECT_SIZE.
7132 (size_lookup): Don't make it const.
7133 (ggc_alloc): Use OBJECT_SIZE.
7134 (ggc_set_mark): Likewise.
7135 (ggc_get_size): Likewise.
7136 (init_ggc): Set up the object_size_table, objects_per_page_table,
7137 and adjust size_lookup.
7138 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
7139 (ggc_pop_context): Use NUM_ORDERS.
7140 (clear_marks): Likewise.
7141 (sweep_pages): Likewise.
7142 (poison_pages): Likewise.
7143 (ggc_print_statistics): Use OBJECT_SIZE.
7145 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7147 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
7148 Only call array_size_for_constructor if last field and array type
7149 with no upper bound.
7151 2001-01-04 Philip Blundell <philb@gnu.org>
7153 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
7154 from bit 31 downwards, if this requires no more insns.
7155 (count_insns_for_constant): New helper function for above.
7157 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
7159 * gencodes.c (output_predicate_decls): Remove empty initializer.
7161 2001-01-04 Mark Mitchell <mark@codesourcery.com>
7163 * tree.c (copy_node): Remove documentation about obstacks.
7164 (buidl1): Check that nobody tries to build 2-argument nodes this
7167 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7169 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
7172 * gencodes.c (output_predicate_decls): Fill empty initializer
7175 2001-01-04 Jakub Jelinek <jakub@redhat.com>
7177 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
7178 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
7180 (do_include): Handle missing headers like cpp0.
7181 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
7182 paths with first include pathname. Don't strcat to uninitialized
7185 2001-01-04 Bernd Schmidt <bernds@redhat.com>
7187 * regrename.c (regrename_optimize): Don't rename from frame pointer
7188 if frame_pointer_needed.
7189 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
7190 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
7191 (ia64_reorg): Use it instead of scheduling if ! optimize.
7192 (errata_emit_nops): Properly call asm_noperands.
7193 (ia64_sched_reorder): Finish cycle if we see an asm.
7194 (ia64_variable_issue): Clear scheduling state after asms.
7196 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
7198 * cpp.texi: Update for -MT.
7199 * cppinit.c (initialize_dependency_output): Add a default
7200 target if none has been given already.
7201 (no_tgt, OPT_MT): New.
7202 (cpp_handle_option): Handle -MT. Update -M etc.
7203 * cpplib.h (struct cpp_options): Remove deps_target.
7204 * gcc.c (cpp_options): Handle -MT.
7205 * mkdeps.c (struct deps): Move from mkdeps.h.
7206 (deps_calc_target): Rename deps_add_default_target. Add a
7207 default target if none has been specified already.
7208 * mkdeps.h (struct deps): Move to mkdeps.c.
7209 (deps_calc_target): Rename deps_add_default_target.
7211 2000-01-03 Richard Henderson <rth@redhat.com>
7213 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
7215 * c-typeck.c (push_init_level): Move checks for flexible array
7216 members and zero length arrays ...
7217 (pop_init_level): ... here. Silently discard empty initializations.
7219 * varasm.c (output_constructor): Update for sizeof change to
7222 * extend.texi (Zero Length): Clarify semantics.
7224 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7226 * configure.in (tm.h): Include isns-codes.h last.
7227 * configure: Rebuilt.
7229 2001-01-03 Richard Henderson <rth@redhat.com>
7231 * config/alpha/alpha.md (addvsi3, addvdi3): New.
7232 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
7234 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7236 * tradcpp.c (main): Make sure finclude() is called with a valid
7237 indepth value while handling -include.
7239 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7241 * gencodes.c (output_predicate_decls): New function.
7243 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
7244 even if it is not the first time machmode.h is #included.
7245 * config/sh/sh.c (fpul_operand): Declare MODE argument.
7246 * tm.texi (PREDICATE_CODES): Document predicate declarations.
7247 * gcc.texi (Copyright): Added 2001.
7249 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7251 * c-common.c (c_common_lang_init): New function. Warn if format
7252 warning options which only have effects when used with -Wformat
7253 are used without -Wformat.
7254 * c-common.h (c_common_lang_init): Declare.
7255 * c-lang.c (lang_init): Call c_common_lang_init.
7256 * objc/objc-act.c (lang_init): Call c_common_lang_init.
7258 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7260 * configure.in: Check for the mktemp command.
7261 * configure: Regenerate.
7262 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
7263 $TEMP. Create temporary files with mktemp, if available at
7264 configure time; otherwise use set -C. Remove temporary files
7267 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
7269 * configure.in: Require at least texinfo 4.0. Check for whether
7270 Pod::Man is sufficiently recent to regenerate GCC manpages.
7271 * configure: Regenerate.
7272 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
7274 (GENERATED_MANPAGES): Define.
7275 (generated-manpages): New target. Depend on cpp.1 as well as
7277 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
7278 configure to generated-manpages or empty) rather than on the
7279 manpages directly. Remove execute permission from installed
7280 gcov.1 as well as cpp.1.
7281 * cpp.1, gcov.1: Regenerate.
7283 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7285 * builtins.c (expand_builtin_strncmp): Use host_integerp and
7286 tree_low_cst. Allow using cmpstrsi in more cases.
7288 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7290 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
7293 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
7295 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
7296 * Makefile.in (HOST_CFLAGS): Mention build-make.
7298 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7300 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
7303 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7305 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
7308 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
7311 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
7312 reg_base_value and reg_known_value arrays.
7313 (init_alias_analysis): Add more cases to detect known values.
7314 * sched-deps.c (deps_may_trap_p): New function.
7315 (sched_analyze_2): Use it.
7317 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
7319 * combine.c (simplify_shift_const): Even if we're sign-extracting,
7320 don't discard an ASHIFTRT if we're shifting in a wider mode.
7322 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
7324 * toplev.c (rest_of_compilation): Don't print basic block information
7325 when CFG isn't up to date.
7327 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
7329 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
7330 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
7331 (UNALIGNED_SHORT_ASM_OP): Define.
7332 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
7334 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7336 * fold-const.c (fold_convert): Fix typo.
7338 2001-01-02 Richard Henderson <rth@redhat.com>
7340 * c-common.h (ASM_INPUT_P): New.
7341 * c-parse.in (asm): Set it when needed.
7342 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
7343 existance of an operand.
7345 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
7347 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
7348 (dwarf2out_frame_debug_expr): Likewise.
7349 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
7351 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
7353 * i386.c (ix86_split_to_parts): Return number of part required;
7355 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
7357 (ix86_split_long_move): Use number of part returned
7358 by ix86_split_to_parts
7359 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
7361 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
7362 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
7363 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
7364 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
7365 (ALIGN_MODE_128): Add TFmode.
7366 (IS_STACK_MODE): Likewise.
7367 (HARD_REGNO_NREGS): TFmode needs 3 registers.
7368 (HARD_REGNO_OK): Support TFmodes.
7369 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
7370 * i386.md (scheduler definitions): Use memory operand to determine
7371 fst/fld instructions; use mode attribute to determine real mode of
7373 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
7374 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
7376 2001-01-02 Mark Mitchell <mark@codesourcery.com>
7378 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
7380 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7382 * expr.c (store_constructor_field): Update ALIGN before calling
7385 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7387 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
7390 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
7392 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
7395 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
7397 * c-decl.c (start_function): Don't warn on third parameter to main.
7399 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7401 * tsystem.h: Define HAVE_DECL_GETOPT.
7403 2001-01-02 Philip Blundell <pb@futuretv.com>
7405 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
7408 2001-01-02 Richard Henderson <rth@redhat.com>
7410 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
7412 2001-01-02 Andreas Jaeger <aj@suse.de>
7414 * c-decl.c (c_decode_option): Remove support of
7417 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
7418 (W_options): Add -Wmissing-noreturn here.
7420 * flow.c: Define lang_missing_noreturn_ok_p.
7421 (check_function_return_warnings): Use it.
7423 * c-common.h: Declare lang_missing_noreturn_ok_p.
7425 * c-lang.c (c_missing_noreturn_ok_p): New function.
7426 (lang_init): Set lang_missing_noreturn_ok_p.
7428 * invoke.texi (Warning Options): Document this.
7430 2000-12-27 Phil Edwards <pme@sources.redhat.com>
7432 * extend.texi (C++ Extensions): New node for C++ attributes;
7433 describe init_priority and com_interface.
7434 * invoke.texi: Remove -finit-priority as it now has zero effect.
7435 * install.texi: Fix xref syntax.
7436 * md.texi: Likewise.
7438 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7440 * config.gcc (sparc64-wrs-vxworks*): New case.
7441 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
7443 * config/sparc/sparc.c (sparc_override_options): Do support different
7444 pointer and architecture size.
7445 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
7446 (POINTERS_EXTEND_UNSIGNED): Define.
7447 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
7448 (FUNCTION_MODE): Define to be Pmode.
7449 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
7451 * function.c (expand_function_end): Properly handle DECL_RESULT
7452 and copy when ptr_mode != Pmode.
7453 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
7455 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7457 * c-common.c (c_common_nodes_and_builtins): Set prototype
7458 parameters for __builtin_fputs, __builtin_fputc and
7459 __builtin_fwrite. Don't declare plain fputc as a builtin.
7461 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
7463 * loop.c (add_label_notes): Increment the label usage count when
7464 a note is added to an insn which refers to a CODE_LABEL.
7465 * gcse.c (add_label_notes): Likewise.
7467 2001-01-01 Andreas Jaeger <aj@suse.de>
7469 * loop.c (scan_loop): Use xmalloc to allocate movables.
7471 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
7473 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
7474 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
7475 * reload1.c (REGISTER_MOVE_COST): Likewise.
7476 * regclass.c (REGISTER_MOVE_COST): Likewise.
7477 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
7478 dimension. Adjust all users.
7479 (init_reg_sets_1): Iterate on all modes.
7480 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
7481 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
7482 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
7483 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
7484 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
7485 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
7486 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
7487 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
7488 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
7489 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
7490 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
7491 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
7492 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
7493 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
7494 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
7495 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
7496 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
7497 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
7498 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
7499 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
7500 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
7501 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
7502 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
7503 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
7504 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
7505 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
7506 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
7508 2001-01-01 Bernd Schmidt <bernds@redhat.com>
7510 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
7511 arg VARIES_P. Call it with extra arg.
7512 (true_dependence): Likewise.
7513 * rtl.h (rtx_addr_can_trap_p): Declare.
7514 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
7516 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
7517 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
7518 pic offset table register if it's zero. All callers changed.
7519 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
7521 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7523 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
7524 STRING_POOL_ADDRESS_P.
7526 * config/sparc/sparc.c (input_operand): Properly test for short op.
7528 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
7529 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
7530 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
7531 * config/sparc/elf.h: No longer include sol2.h.
7532 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
7533 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
7535 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
7537 2001-01-01 Michael Hayes <mhayes@redhat.com>
7539 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
7540 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
7541 (record_initial): Likewise.
7542 * unroll.c (copy_loop_body, loop_iterations): Likewise.
7543 (remap_split_bivs): Likewise.
7545 2001-01-01 Michael Hayes <mhayes@redhat.com>
7547 * loop.c (loop_ivs_free): New function.
7548 (strength_reduce): Break out from...
7550 2001-01-01 Michael Hayes <mhayes@redhat.com>
7552 * loop.h (struct iv): New.
7553 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
7554 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
7555 'reg_biv_class' fields with 'regs' and 'n_regs'.
7556 (struct ivs): Rename 'loop_iv_list' field to 'list'.
7557 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
7558 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
7560 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
7562 * resource.c (mark_referenced_resources): Abort() before
7563 attempting to mark a pseudo register.
7564 (mark_set_resources): Likewise.
7566 2001-01-01 Michael Hayes <mhayes@redhat.com>
7568 * loop.h (REG_IV_CLASS): New accessor macro.
7569 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
7570 * unroll.c (REG_IV_CLASS): Likewise.
7572 See ChangeLog.4 for earlier changes.