| blob | eb77c5fd6c33e3053973adb10d02420230482747 |
1 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3 * stringpool.c (xxx, yyy): Remove.
4 (get_identifier): Don't set them.
6 * Makefile.in (STAMP): New macro.
7 Replace all uses of `touch' with $(STAMP).
8 * fixinc/Makefile.in: Likewise.
10 2001-05-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12 * i386.c (ix86_save_reg): Change `bool' parameter to `int'.
14 2001-05-12 Richard Henderson <rth@redhat.com>
16 EH merge from mainline, continued.
18 2001-05-12 Richard Henderson <rth@redhat.com>
19 * dwarf2asm.c (size_of_encoded_value): New function.
20 * dwarf2asm.h: Declare it.
21 * except.c (output_function_exception_table): Align the TType
22 array only as wide as the encoding.
24 2001-05-11 Richard Henderson <rth@redhat.com>
25 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
26 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
27 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
28 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
29 (dw2_output_indirect_constants): Prototype.
30 * dwarf2out.c (dwarf2out_begin_prologue): Generate
31 current_function_func_begin_label if we'll need it for EH. Exit
32 early for IA64_UNWIND_INFO.
33 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
34 (eh_data_format_name): Update for indirect references.
35 (output_function_exception_table): Care for IA64_UNWIND_INFO.
36 Handle ASM_PREFERRED_EH_DATA_FORMAT.
37 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
38 define HAVE_eh_return etc.
39 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
40 (final_end_function): Don't call output_function_exception_table.
41 * toplev.c (compile_file): Call dw2_output_indirect_constants.
42 (rest_of_compilation): Invoke output_function_exception_table
43 for ia64 before assemble_end_function.
44 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
45 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
47 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
48 * unwind.h: Declare them.
49 * libgcc-std.ver: Export them.
50 * unwind-pe.h: New file.
52 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
54 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
55 instead of "fde".
56 (find_fde_for_dso): Extract DT_PLTGOT.
57 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
58 the segment and gp as well.
59 * config/ia64/frame-ia64.c: Remove file.
60 * config/ia64/frame-ia64.h: Remove file.
61 * config/ia64/unwind-ia64.c: New file.
62 * config/ia64/unwind-ia64.h: New file.
63 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
64 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
65 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
66 (ASM_PREFERRED_EH_DATA_FORMAT): New.
67 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
68 (IA64_UNWIND_INFO): Re-enable.
69 (HANDLER_SECTION): Remove.
70 (EH_RETURN_DATA_REGNO): New.
71 * config/ia64/ia64.md (exception_receiver): Remove.
72 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
73 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
75 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
76 * except.c (sjlj_mark_call_sites): Do not search for assignments to
77 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
79 2001-05-05 Richard Henderson <rth@redhat.com>
80 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
81 to the parent of the fixup region.
83 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
84 * except.c (expand_eh_region_start): Don't start a new block.
85 (expand_eh_region_end): Don't end a block.
86 * stmt.c (expand_end_bindings): Don't end EH blocks.
87 (expand_decl_cleanup): Starting an EH region won't change the block.
88 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
89 (is_eh_region): Lose.
90 * tree.h: Adjust.
92 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
93 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
95 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
96 * except.c (get_exception_filter): word_mode, not Pmode.
98 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
99 * except.c (expand_eh_region_end_cleanup): Force pending stack
100 adjust before emitting label that branches around cleanup code.
102 2001-04-25 Richard Henderson <rth@redhat.com>
103 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
104 of registers to restore along non eh_return path.
106 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
107 * except.c (reachable_handlers): Step out one level from a RESX.
109 * except.c (struct eh_region): Rename 'last' to 'resume'.
110 (mark_eh_region, duplicate_eh_region_1): Adjust.
111 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
112 (build_post_landing_pads): Likewise.
113 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
114 (expand_eh_region_end_must_not_throw): Likewise.
115 (connect_post_landing_pads): Thread (only) regions with non-deleted
116 resume insns.
118 * except.c (expand_eh_region_end_cleanup): Save the EH return data
119 registers around the cleanup.
120 (get_exception_filter): New fn.
121 (finish_eh_generation): Use it.
123 2001-04-03 Richard Henderson <rth@redhat.com>
124 * rtl.h (LCT_THROW): New.
125 * calls.c (emit_library_call_value_1): Handle it.
126 * except.c (connect_post_landing_pads): Use it.
128 2001-03-28 Richard Henderson <rth@redhat.com>
129 * except.c: Rewrite entirely for IA-64 ABI exception handling.
130 * except.h: Likewise.
132 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
133 (LIB2ADDEHDEP): New.
134 (LIB2FUNCS_EH): Remove.
135 (LIB2ADD): Remove LIB2ADDEH.
136 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
137 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
138 (crt{begin,end}[S].o): Likewise.
139 (except.o): Update includes.
140 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
141 (libgcc2_c_dep): Use LIB2ADDEHDEP.
143 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
144 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
145 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
146 * builtins.c (expand_builtin): Implement it.
147 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
148 * c-common.c (c_common_nodes_and_builtins): Declare it.
149 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
150 * calls.c (libfunc_nothrow): Remove.
151 (emit_library_call_value_1): Don't call it.
152 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
153 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
154 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
155 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
156 (current_funcdef_number): Globalize.
157 (output_call_frame_info): Emit frame data if an lsda is needed.
158 Generate augmentation for personality routine. Don't play with
159 difference symbols.
160 (dwarf2out_begin_prologue): Record funcdef_number.
161 * dwarf2out.h (current_funcdef_number): Declare.
162 * expr.c (expand_expr): Update for except.h name changes.
163 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
164 * expr.h (LTI_throw, LTI_rethrow): Remove.
165 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
166 (LTI_eh_rtime_match): Remove.
167 (LTI_unwind_resume, LTI_eh_personality): Add.
168 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
169 * final.c (final): Don't call check_exception_handler_labels,
170 init_insn_eh_region, or free_insn_eh_region.
171 (final_scan_insn): Always emit debug labels for
172 NOTE_INSN_EH_REGION notes.
173 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
174 (record_active_eh_regions): Remove.
175 (count_basic_blocks): Check all instructions for REG_EH_REGION.
176 Use can_throw_internal.
177 (find_basic_blocks_1): Likewise.
178 (move_stray_eh_region_notes): Remove.
179 (find_label_refs): No eh_return_stub_label.
180 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
181 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
182 changes.
183 (delete_unreachable_blocks): Don't track deleted handlers.
184 (flow_delete_block): Use maybe_remove_eh_handler.
185 (delete_eh_regions): Remove.
186 (merge_blocks): Don't check for eh region match.
187 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
188 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
189 (init_propagate_block_info): Disable dead frame store optimization
190 when current_function_calls_eh_return.
191 (dump_bb): Don't print eh_beg, eh_end.
192 * function.c (fixup_var_refs): No catch_clauses.
193 (expand_function_end): Likewise. Call expand_eh_return before
194 the return register use. Call sjlj_emit_function_exit_after.
195 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
196 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
197 * ifcvt.c (dead_or_predicable): Remove eh region check.
198 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
199 Don't check for EH vs parameters.
200 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
201 (expand_inline_function): Call duplicate_eh_regions.
202 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
203 (copy_insn_notes): Remap REG_EH_REGION notes.
204 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
205 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
206 check_exception_handler_labels, nor exception_optimize.
207 (find_cross_jump): No EH region check.
208 * optabs.c (init_optabs): Update for changed eh libfuncs.
209 * rtl.def (RESX): New.
210 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
211 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
212 checks. Update for except.h name changes.
213 (expand_cleanups): Likewise.
214 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
215 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
216 (compile_file): Call init_eh before init_optabs. Don't
217 output_exception_table here.
218 (rest_of_compilation): Call convert_from_eh_region_ranges,
219 convert_to_eh_region_ranges, output_function_exception_table.
220 Don't emit_eh_context.
221 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
222 (EXC_PTR_EXPR): New.
224 * md.texi (eh_epilogue): Remove.
225 (eh_return): Document.
226 * tm.texi (EH_RETURN_DATA_REGNO): Document.
227 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
229 * eh-common.h: Remove file.
230 * frame-dwarf2.c, frame.c, frame.h: Remove files.
231 * libgcc2.c (L_eh): Remove.
233 * unwind-dw2-fde.c: New file, largely copied from frame.c.
234 * unwind-dw2-fde.h: New file.
235 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
236 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
237 * libgcc-std.ver: Update for eh symbols.
239 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
240 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
241 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
242 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
243 (EH_RETURN_DATA_REGNO): New.
244 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
245 * config/alpha/alpha.md (eh_epilogue): Remove.
246 (exception_receiver): Use $26 for ldgp input.
247 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
249 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
250 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
251 True for pic register if current_function_calls_eh_return.
252 (ix86_expand_epilogue): Change "emit_return" argument into "style".
253 Handle eh_return requirements.
254 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
255 (EH_RETURN_STACKADJ_RTX): New.
256 * config/i386/i386.md (exception_receiver): Remove.
257 (eh_return, eh_return_1): New.
258 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
260 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
261 for eh_return data registers.
262 (rs6000_emit_prologue): Save eh_return data registers.
263 (rs6000_emit_epilogue): Force inline restores if eh_return.
264 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
265 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
266 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
267 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
268 the target uses one.
269 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
270 (return_eh_si, return_eh_di): Remove.
271 (eh_return): New, from corpse of eh_epilogue.
272 (eh_set_lr_si, eh_set_lr_di): New.
274 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
275 current_function_calls_eh_return.
276 (output_function_epilogue): Handle eh_return.
277 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
278 (EH_RETURN_DATA_REGNO): New.
279 (EH_RETURN_STACKADJ_RTX): New.
280 (EH_RETURN_HANDLER_RTX): New.
281 * config/sparc/sparc.md (call/short branch peepholes): Check
282 can_throw_internal instead of in_same_eh_region.
284 2001-03-17 Richard Henderson <rth@redhat.com>
285 * dwarf2out.c (queue_reg_save): New.
286 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
287 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
288 dwarf2out_reg_save.
289 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
290 (cfa, cfa_store, cfa_temp): Make static.
291 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
293 2001-03-16 Richard Henderson <rth@redhat.com>
294 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
295 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
296 (dw2_asm_output_delta_uleb128): Likewise.
297 (dw2_asm_output_delta_sleb128): Similarly.
298 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
300 2001-03-15 Richard Henderson <rth@redhat.com>
301 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
302 if provided by the target.
303 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
304 (dw2_asm_output_addr): New.
305 * dwarf2asm.h (dw2_asm_output_addr): Declare.
306 * dwarf2out.c (output_cfi): Use it for program addresses.
307 (output_call_frame_info, output_die): Likewise.
308 (output_aranges, output_line_info): Likewise.
310 2001-03-06 Krister Walfridsson <cato@df.lth.se>
311 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
313 2001-03-02 Richard Henderson <rth@redhat.com>
314 * Makefile.in (OBJS): Add dwarf2asm.o.
315 * dwarf2asm.c, dwarf2asm.h: New files.
316 * dwarf2out.c (*): Use them.
317 (size_of_uleb128, size_of_sleb128): Remove.
318 (output_uleb128, output_sleb128): Remove.
319 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
320 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
321 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
322 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
323 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
324 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
325 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
326 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
327 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
328 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
329 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
330 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
331 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
332 (dwarf2out_frame_debug): Remove unused variables.
333 (output_loc_operands): Don't abort on 8 byte constants if
334 host integers are wide enough.
335 (output_symbolic_ref): Remove.
336 (size_of_die): Don't assume 4 byte host integers.
337 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
338 and end labels.
339 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
340 something stupid with HOST_WIDE_INT to long truncation.
341 [CONST_DOUBLE]: Likewise.
343 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
344 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
345 * config/arm/unknown-elf.h: Likewise.
346 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
347 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
348 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
349 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
350 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
351 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
352 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
353 (ASM_OUTPUT_DWARF_OFFSET): Remove.
354 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
355 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
356 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
357 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
359 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
360 * i386.c (ix86_frame): New structure.
361 (ix86_compute_frame_size): Kill.
362 (ix86_compute_frame_layout): New.
363 (ix86_save_reg): New.
364 (ix86_can_use_return_insn_p): Use frame layout stuff.
365 (ix86_expand_prologue): Likewise.
366 (ix86_expand_epilogue): Likewise.
367 (ix86_initial_elimination_offset): Likewise.
368 (ix86_nsaved_regs): Use ix86_save_reg.
369 (ix86_emit_save_regs): Likewise.
371 2001-05-12 Richard Henderson <rth@redhat.com>
373 EH merge from mainline, parts 5 - 16.
374 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
375 reduce false positives.
376 (regmove_optimize): Disable if flag_non_call_exceptions.
378 * stmt.c (expand_return): Remove always true predicate.
379 (expand_decl_cleanup_no_eh): Remove dead code.
381 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
382 barrier code. Add a scheduling barrier if a non-call insn
383 can throw internally.
385 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
386 Auto-inc addresses trap only if their base register does.
388 * except.c (can_throw_internal): Rename from can_throw.
389 * except.h, resource.c: Update references.
391 * integrate.c (copy_insn_list): Use returnjump_p.
392 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
394 * integrate.h (struct inline_remap): Add local_return_label.
395 * integrate.c (expand_inline_function): Initialize it and emit
396 it after copy_insn_notes.
397 (copy_insn_list): Don't store local_return_label here.
398 (copy_insn_notes): New function split out from copy_insn_list.
400 * function.h (struct function): Move all boolean valued fields
401 to single bit fields at the end of the struct.
403 * flow.c (cleanup_cfg): Take no argument.
404 * output.h, sibcall.c, toplev.c: Update all calls.
406 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
407 (calculate_global_regs_live): Kill call-clobbered registers
408 across exception edges.
409 * reg-stack.c (convert_regs_1): Kill the entire target stack
410 across non-call exception edges.
412 * flags.h (flag_new_exceptions): Remove.
413 * toplev.c: Don't set it.
414 * final.c: Don't check it.
415 * except.c: Provide stub definition.
417 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
418 exceptions, put the note on the trapping instruction.
420 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
421 value to target configuration header.
422 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
423 * config.in, configure: Rebuild.
424 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
425 configuration and target defines.
426 (exceptions_via_longjmp): Remove.
427 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
428 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
430 2001-05-12 Richard Henderson <rth@redhat.com>
432 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
433 * mkconfig.sh (DEFINES): Handle entries with '='.
435 2001-03-22 Zack Weinberg <zackw@stanford.edu>
436 * mkconfig.sh: Use a subshell with redirected stdout,
437 instead of closing stdout and confusing commands that run
438 afterward. Throw away output of cmp.
440 2001-03-22 Richard Henderson <rth@redhat.com>
441 * mkconfig.sh: Include insn-flags.h.
442 * Makefile.in (CONFIG_H): Include insn-flags.h.
443 (lots of objects): Remove insn-codes.h and insn-flags.h.
445 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
446 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
447 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
448 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
449 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
450 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
451 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
452 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
453 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
454 v850/v850.c, vax/vax.c:
455 Don't include insn-flags.h.
457 * diagnostic.c, expr.h, reload.c, toplev.c:
458 Don't include insn-codes.h.
460 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
461 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
462 c4x/c4x.c, i960/i960.c, mips/mips.c:
463 Don't include insn-codes.h or insn-flags.h.
465 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
466 or insn-flags.h in the generated code.
467 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
468 (main): Forward declare struct rtx_def.
470 2001-03-09 Zack Weinberg <zackw@stanford.edu>:
471 * configure.in: Prune nonexistent files from build_xm_file,
472 xm_file, and host_xm_file lists. Warn unless they're
473 $cpu/xm-$cpu.h.
474 Don't generate *config.h here.
475 AC_SUBST all variables needed to generate *config.h.
476 * mkconfig.sh: New helper script, from code removed from
477 configure.in.
478 * Makefile.in: Substitute in variables needed to generate *config.h.
479 Stop lying about the dependencies contained in CONFIG_H and
480 GCONFIG_H.
481 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
482 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
483 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
484 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
485 $(TM_P_H), etc. as appropriate.
487 2001-05-12 Richard Henderson <rth@redhat.com>
489 EH merge from mainline, parts 1 - 4.
490 * gthr-single.h (UNUSED): New. Distinguish between how C
491 and C++ mark unused function arguments. Use throughout.
493 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
494 jump.c, toplev.c:
495 Rename asynchronous_exceptions to flag_non_call_exceptions.
496 * except.h (flag_non_call_exceptions): Move ...
497 * flags.h: ... here.
499 * rtl.h (LCT_NORETURN): New.
500 * calls.c (emit_library_call_value_1): Handle it.
502 * function.c (expand_function_start): Set DECL_REGISTER on
503 a pseudo used for DECL_RESULT.
505 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
507 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
508 about files not ending in newlines.
510 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
512 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
513 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
515 2001-05-11 Richard Henderson <rth@redhat.com>
517 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
518 calls and jumps to be bundled together.
519 (ia64_reorg): Emit a break after a noreturn call that ends
520 a function.
521 * config/ia64/ia64.md (break_f): New.
523 2001-05-11 Jakub Jelinek <jakub@redhat.com>
525 * regmove.c (regmove_optimize): Suppress the optimization for
526 unchanging destination register. Add comment above function.
528 2001-05-11 Mark Mitchell <mark@codesourcery.com>
530 * loop.h (struct movables): Remove `num'.
531 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
532 Adjust call to strength_reduce.
533 (num_unmoved_movables): New function.
534 (move_movables): Don't set movables->num.
535 (strength_reduce): Compute the number of instructions in the loop
536 here, rather than in the caller.
537 (check_dbra_loop): Always clear reversible_mem_store if there
538 are any memory sets.
539 (loop_regs_scan): Don't count instructions here.
540 (count_insn_in_loop): New function.
542 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
544 2001-05-10 David Edelsohn <edelsohn@gnu.org>
546 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
547 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
549 Thu May 10 18:23:11 2001 Jeffrey A Law (law@cygnus.com)
551 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
552 a computed jump into an unconditional jump.
553 In second hunk of code for collapsing computed and conditional jumps
554 into unconditional jumps, reemit the jump in additional cases.
556 2001-05-10 David Edelsohn <edelsohn@gnu.org>
558 * expr.c (emit_group_load): extract_bit_field requires a REG or
559 MEM as an argument.
561 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
563 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
564 contents for a SYMBOL_REF in case of floating point constants.
566 2001-05-09 Zack Weinberg <zackw@stanford.edu>
568 * cppinit.c (cpp_post_options): Shut off macro expansion if
569 -fpreprocessed.
570 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
571 IN_I directives only if the # is in column 1 and the directive
572 name begins in column 2.
573 * cppmain.c (scan_buffer): Insert a space between # and an
574 identifier, when that identifier is a directive name.
576 * tradcpp.c (struct file_buf): Add a pointer to the next entry
577 in the header search path.
578 (enum node_type): Add T_INCLUDE_NEXT.
579 (directive_table): Add entry for include_next.
580 (do_include_next): New function.
581 (process_include): New routine, broken out of do_include.
582 (finclude): Insert 'nhd' argument, to be copied into
583 next_header_dir of the new buffer.
584 (main): Adjust to match.
585 * gsyslimits.h, limity.h: Un-indent #include_next.
587 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
589 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
590 inclusion as a chapter of the GCC manual.
591 * gcc.texi: Include objc.texi.
592 * fdl.texi: Use @unnumberedsec for the addendum.
593 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
595 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
597 * pa.md (interspace_jump): Revise comment.
598 (builtin_longjmp): Block initial setup insns from delay slot of
599 interspace branch.
600 (builtin_setjmp_receiver): New expander to save and restore PIC
601 register.
603 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
605 2001-05-07 Mark Mitchell <mark@codesourcery.com>
607 * gcc.texi: Remove references to CHILL.
608 * invoke.texi: Likewise.
609 * install.texi: Likewise.
611 2001-05-06 Zack Weinberg <zackw@stanford.edu>
613 * Makefile.in (tradcpp0): Correct typo in dependency list.
615 2001-05-06 Andreas Jaeger <aj@suse.de>
617 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
618 (i386 Options): Document -momit-leaf-frame-pointer.
620 Sun May 6 10:54:20 2001 Jim Wilson <wilson@redhat.com>
622 * dwarf2out.c (output_line_info): Fix typo.
624 2001-05-05 Richard Henderson <rth@redhat.com>
626 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
628 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
630 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
631 between X and Y by using sequences of xgdx and xgdy.
633 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
635 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
636 of '!' for the 'D' alternative ('!' is too strong).
637 ("*logicalsi3_silshl16"): Likewise.
638 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
639 ("movstrictsi"): Remove spurious '+'.
640 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
641 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
642 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
643 a reload to them.
645 2001-05-04 David Edelsohn <edelsohn@gnu.org>
647 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
649 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
651 * config/rs6000/rs6000.md (ashldi3 splits): Guard with TARGET_POWERPC64.
653 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
655 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
656 soft register, use ror instead of rol.
658 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
660 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
661 into account pre/post increment decrement for 68HC12.
662 Fix other problems in replacement and fix call to reg_mentioned_p.
664 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
666 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
667 Put the soft registers in bss for 68HC12.
668 (L_regs_d3_4): New for _.d3 and _.d4.
669 (L_regs_d5_6): Likewise.
670 (L_regs_d1_2): Likewise.
671 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
673 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
675 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
676 to the pre-processor when -fshort-double is specified.
677 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
679 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
681 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
682 (__mulsi3): Rewrite for 68HC12.
683 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
684 Mark 'x' constraint with earlyclobber to prevent a
685 RELOAD_FOR_OTHER_ADDRESS to go in it.
686 (mulhi3_m68hc12): New pattern.
687 (mulhi3_m68hc11): Rename of mulhi3.
688 (mulhi3): New expand for 68HC12 optimisation.
689 (umulhisi3, mulhisi3): New patterns for 68HC12.
691 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
693 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
694 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
695 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
697 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
699 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
700 constants cheap after reload.
701 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
702 are cheap.
703 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
704 so that gcc prefers a shift by 16.
705 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
707 2001-05-04 Mark Elbrecht <snowball3@bigfoot.com>
709 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
710 (CPP_SPEC): Conditionally define MSDOS and GO32.
711 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
712 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
713 ignored.
714 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
716 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
718 * hash.c (hash_lookup): Likewise.
720 * hash.h (hash_lookup): Likewise.
722 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
724 2001-05-03 David O'Brien <obrien@FreeBSD.org>
726 * config/t-freebsd: Don't install "assert.h" in gcc. Compile
727 crtbeginS.o and crtendS.o with PIC.
729 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
731 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
732 instruction.
733 ("bitcmpqi2"): New pattern for bit-extract and test.
734 ("bitcmphi"): New pattern for bitb/bita instructions.
736 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
738 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
739 instead of _.d1.
740 (INITIALIZE_TRAMPOLINE): Call it.
741 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
742 (TRAMPOLINE_TEMPLATE): Remove.
743 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
744 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
745 Declare.
747 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
749 * gccbug.in: Use a temporary directory when the mktemp command is
750 not available.
752 2001-05-03 David Edelsohn <edelsohn@gnu.org>
754 * config/rs6000/aix51.h: Remove duplicate header file inclusion as
755 reported by David O'Brien <obrien@FreeBSD.org>.
757 2001-05-03 Mark Mitchell <mark@codesourcery.com>
759 * integrate.h (struct inline_remap): Add leaf_reg_map table.
760 * integrate.c (expand_inline_function): Use xcalloc to allocate
761 memory.
762 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
763 registers.
765 2001-05-02 Geoff Keating <geoffk@redhat.com>
767 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
768 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
769 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
770 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
771 ctrdi_internal6): In the short-branch case, this insn is only 4
772 bytes long. Reported by Reza Yazdani <reza@apple.com>.
774 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
775 (setup_incoming_varargs): Remove warning.
777 * config/rs6000/rs6000.c (validate_condition_mode): When
778 flag_fast_math, allow floating-point conditionals to be reversed.
779 (rs6000_generate_compare): When flag_fast_math, don't generate
780 cror operations for FP conditionals.
782 2001-05-02 Dale Johannesen <dalej@apple.com>
784 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
785 parameter.
786 (STRICT_ARGUMENT_NAMING): Define.
787 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
788 function_arg_partial_nregs, setup_incoming_varargs): Remove
789 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
790 is defined.
792 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
794 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
795 for replacement.
797 * expr.c (store_field): Do nothing except elaborate side-effects if
798 zero-bit field.
800 2001-05-02 Nick Clifton <nickc@cambridge.redhat.com>
802 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
803 constant pool, use the pool's SYMBOL_REF instead.
805 2001-05-01 Per Bothner <per@bothner.com>
807 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
808 call do_pending_stack_adjust before emiting label.
810 2001-05-01 Mark Mitchell <mark@codesourcery.com>
812 * extend.texi: Fix typo.
814 2001-05-01 Stan Shebs <shebs@apple.com>
816 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
817 of UOBJC_MODULES_decl.
818 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
819 (generate_descriptor_table): Ditto.
820 (generate_protocols): Ditto.
821 (generate_protocol_list): Ditto.
822 (generate_classref_translation_entry): Ditto.
824 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
826 * ChangeLog (2001-02-21): Remove erroneous entry.
827 * gcc.c (cc1_options): Add "-param".
828 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
829 (option_map): Likewise.
830 (display_help): Add "--param" to 'other' options.
831 * invoke.texi (Optimize Options): Add documentation for `--param
832 max-delay-slot-insn-search' and `--param
833 max-delay-slot-live-search' and reorder --param section.
834 * params.def: Modify initial comment.
835 * params.h (param_info): Add `help' member.
836 * toplev.c (lang_independent_params): Include `help' description.
837 (display_help): Print --param parameters.
838 (independent_decode_option): Fix typographical error.
840 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
842 * c-tree.texi (USING_STMT): Document.
844 2001-04-30 Mark Mitchell <mark@codesourcery.com>
845 Richard Henderson <rth@redhat.com>
847 * extend.texi: Improve documentation of volatile asms.
849 2001-04-30 Mark Mitchell <mark@codesourcery.com>
851 * c-tree.texi: Fix thinko.
852 * gcc.texi: Likewise.
854 2001-04-30 Richard Henderson <rth@redhat.com>
856 * c-common.c (c_promoting_integer_type_p): New function, from the
857 corpse of old macro. Properly promote too-small enumerations and
858 booleans. Adjust all callers.
859 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
860 (c_promoting_integer_type_p): Declare.
861 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
862 * c-typeck.c: Likewise.
863 (default_conversion): Remove now redundant boolean check.
865 2001-04-30 Jan Hubicka <jh@suse.cz>
866 Richard Henderson <rth@redhat.com>
868 * regmove.c (try_apply_stack_adjustment): Remove now redundant
869 sanity checks.
870 (combine_stack_adjustments_for_block): Don't combine stack
871 allocation followed by deallocations. Handle grow-up stacks.
873 2001-04-30 Mark Mitchell <mark@codesourcery.com>
875 * fdl.texi: New file.
876 * c-tree.texi: Use the GFDL.
877 * gcc.texi: Likewise.
879 2001-04-30 Stan Shebs <shebs@apple.com>
881 * invoke.texi: Add a section documenting Objective-C options.
883 2001-04-30 Mark Mitchell <mark@codesourcery.com>
885 * regmove.c (record_stack_memrefs): Catch all references to the
886 stack pointer.
888 2001-04-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
890 * pa.c (hppa_init_pic_save): Update last_parm_insn after emitting
891 pic save insn.
893 2001-04-30 Mark Mitchell <mark@codesourcery.com>
895 * extend.texi (extended asm): Fix typo.
897 Sat Apr 28 10:32:26 2001 Jeffrey A Law (law@cygnus.com)
899 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
900 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
901 into the constant pool.
902 * jump.c (jump_optimize_1): Remove barrier successors after all
903 the LABEL_NUSES counds have been computed.
904 (delete_barrier_successors): When deleting a tablejump insn, also
905 delete the jump table it uses.
906 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
907 label into memory.
909 2001-04-28 Andreas Jaeger <aj@suse.de>
911 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
912 appropriate.
913 * extend.texi: Likewise.
915 2001-04-28 Andreas Jaeger <aj@suse.de>
917 * md.texi: Use XX-bit instead of XXbit or XX bit where
918 appropriate.
920 2001-04-28 Andreas Jaeger <aj@suse.de>
921 Richard Henderson <rth@redhat.com>
923 * md.texi (Machine Constraints): Fix description of "A" for
924 i386.
926 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
928 * collect2.c (main): Add `-L' case to remove duplicate entries.
929 (is_in_args): New function to check for a duplicate argument.
930 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
931 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
932 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
933 Define to be nonzero.
935 Fri Apr 27 10:41:06 2001 Jeffrey A Law (law@cygnus.com)
937 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
939 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
941 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
942 common to other movsf patterns. Move up so that in future
943 people who change the other patterns will change it too.
944 (movsf_lo_sum): Allow even for soft-float; add appropriate
945 constraints.
946 (movsf_high): Likewise.
947 (movsf_high+1): Allow even for soft-float.
949 2001-04-26 Mark Mitchell <mark@codesourcery.com>
951 * invoke.texi: Document more C++ command-line options.
953 2001-04-26 H.J. Lu (hjl@gnu.org)
955 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
957 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
958 define.
959 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
960 (ASM_OUTPUT_SECTION_NAME): Likewise.
961 (ASM_WEAKEN_LABEL): Likewise.
962 (UNIQUE_SECTION): Likewise.
963 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
964 (ASM_OUTPUT_DESTRUCTOR): Likewise.
965 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
966 (ASM_OUTPUT_SECTION_NAME): Likewise.
967 (ASM_WEAKEN_LABEL): Likewise.
968 (UNIQUE_SECTION): Likewise.
969 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
970 (ASM_OUTPUT_DESTRUCTOR): Likewise.
971 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
972 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
973 (ASM_FILE_START): Likewise.
974 (ASM_OUTPUT_SOURCE_LINE): Likewise.
975 (ASM_DECLARE_OBJECT_NAME): Likewise.
976 (ASM_FILE_END): Likewise.
977 (ASM_DECLARE_FUNCTION_NAME): Likewise.
978 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
979 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
980 (ASM_OUTPUT_CASE_LABEL): Likewise.
981 (ASM_OUTPUT_SKIP): Likewise.
982 (ASM_OUTPUT_ASCII): Likewise.
983 (ASM_OUTPUT_IDENT): Likewise.
984 (READONLY_DATA_SECTION): Likewise.
985 (EXTRA_SECTIONS): Likewise.
986 (EXTRA_SECTION_FUNCTIONS): Likewise.
987 (SELECT_RTX_SECTION): Likewise.
988 (SELECT_SECTION): Likewise.
990 * config/mips/linux.h (INVOKE__main): Undefine.
991 (CTOR_LIST_BEGIN): Likewise.
992 (CTOR_LIST_END): Likewise.
993 (DTOR_LIST_BEGIN): Likewise.
994 (DTOR_LIST_END): Likewise.
995 (SET_ASM_OP): Defined it to ".dummy".
996 (ASM_OUTPUT_DEF): Defined.
997 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
999 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1001 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1003 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1005 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1006 -m386 and -m486.
1008 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1010 * configure.in (configargs.h): Define thread_model.
1011 * configure: Rebuilt.
1012 * gcc.c (main): Print it with -v.
1014 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1016 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1017 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1018 * gcc.1: Regenerate.
1020 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1022 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1023 is_redundant_typedef): Use static inline instead of inline static.
1025 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1027 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1028 this directory is always searched.
1030 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1032 * loop.c (try_swap_copy_prop): Go back to checking insn.
1034 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1036 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1037 out and comparison sequence has been detected, put result into
1038 proper temporary pseudo.
1040 2001-04-24 Mark Mitchell <mark@codesourcery.com>
1042 * dwarf2out.c (dwarf2out_finish): Forcibly return to the data
1043 section after emitting information.
1045 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1047 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1048 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1049 * libgcc2.c: Remove __dummy and __empty functions, and all
1050 code for __builtin_saveregs.
1051 * libgcc2.h: Don't prototype __builtin_saveregs, __dummy, or __empty.
1052 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1053 for future reference.
1055 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1057 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1058 passing nested NOP_EXPRs to fold.
1060 2001-04-23 Mark Mitchell <mark@codesourcery.com>
1062 * dwarf2out.c (rtl_for_decl_location): Add comments. Abort
1063 if the decl is abstract.
1064 (add_bound_info): Don't try to get the location of an abstract
1065 declaration.
1067 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1069 * loop.c (loop_delete_insns): Add prototype.
1071 2001-04-21 Mark Mitchell <mark@codesourcery.com>
1073 * flow.c (proagate_one_insn): Remove useless assignment.
1074 * jump.c (delete_insn): Tidy.
1075 * loop.c (try_copy_prop): When deleting an instruction with a
1076 REG_RETVAL note, delete the entire libcall sequence.
1077 (loop_delete_insns): New function.
1078 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1079 we're not substituting into them yet.
1081 2001-04-21 Kazu Hirata <kazu@hxi.com>
1083 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1085 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1086 Fix a comment typo.
1087 * config/i960/i960.c (signed_arith_operand): Likewise.
1089 * calls.c (expand_call): Fix a comment typo.
1091 Fri Apr 20 12:22:15 2001 Jeffrey A Law (law@cygnus.com)
1093 * config/pa/som.h (NM_FLAGS): Define.
1095 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1097 * ia64.c (ia64_flag_schedule_insns2): New variable.
1098 (ia64_override_options): Initialize it. Clear
1099 flag_schedule_insns_after_reload.
1100 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1102 Thu Apr 19 19:12:57 2001 Jeffrey A Law (law@cygnus.com)
1104 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1105 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1107 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1108 name at 32 total characters.
1109 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1110 functions in named sections -- data items can still go into unique
1111 sections, but they have normal names (ie $LIT$ and $DATA$).
1113 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1114 INIT_PRIORITY.
1116 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1118 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1119 that language-independent processing should not be done.
1120 * toplev.c (main): Adjust accordingly.
1122 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1123 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1125 * mips.md (reload_outputdi): Require that operand0 be a
1126 general_operand.
1128 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1130 * invoke.texi (-Wshadow): Clarify.
1132 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1134 * loop.c (load_mems): Examine all the instructions in the loop
1135 before concluding that all jumps branch to the first instruction
1136 after the loop.
1138 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1140 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1142 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1144 * cpp.texi (-Wwhite-space): Remove.
1145 (-Wall): -Wall does not imply -Wwhite-space.
1147 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1149 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1150 use it instead of blindly generating a .stabs.
1151 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1152 in the right place.
1153 * xcoffout.c: Don't bother defining default for N_CATCH.
1154 (UNKNOWN_STAB): Use internal_error.
1155 (stab_to_sclass): Remove now-unnecessary aborts.
1156 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1158 Tue Apr 17 21:39:12 2001 Jeffrey A Law (law@cygnus.com)
1160 * jump.c (mark_all_labels): Canonicalize the tail recursion
1161 label attached to CALL_PLACEHOLDER insns.
1163 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1165 * dbxout.c (N_OPT): Define if not available from <stab.h>
1167 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1169 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1170 libraries and native K&R compilers.
1172 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1174 * c-typeck.c (convert_arguments): Don't check for width changes
1175 with -Wtraditional.
1177 * invoke.texi (-Wtraditional): Update documentation.
1179 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1181 * toplev.c (output_lang_identify): Delete.
1182 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1183 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1184 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1185 after calling ASM_FILE_END.
1187 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1188 Instead, unconditionally emit an N_OPT stab with string equal
1189 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1191 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1193 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1194 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1195 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1196 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1197 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1198 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1199 config/i370/i370.h, config/i386/beos-elf.h,
1200 config/i386/osf1elf.h, config/i386/osfrose.h,
1201 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1202 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1203 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1204 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1205 config/mips/iris6.h, config/mips/osfrose.h,
1206 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1207 config/sparc/sp64-elf.h:
1208 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1209 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1211 * config/elfos.h, config/freebsd.h, config/linux.h,
1212 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1213 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1214 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1215 of ASM_FILE_START which merely emit a .version directive. Delete
1216 definitions of ASM_FILE_END which merely emit an .ident directive.
1218 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1219 ASM_IDENTIFY_GCC and move part of its logic into
1220 ASM_FILE_START.
1222 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1223 config/sparc/linux-aout.h: Don't emit .version directive in
1224 ASM_FILE_START.
1226 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1227 (output_file_start): Correct comment.
1229 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1230 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1231 to match gdb.
1232 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1233 * config/rs6000/aix.h: Correct comment.
1235 * config/i386/i386afe.h: Delete.
1236 * config.gcc: Remove references to i386afe.h.
1238 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1239 other macros deleted by this patch were undocumented.
1241 Mon Apr 16 08:02:14 2001 Jeffrey A Law (law@cygnus.com)
1243 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1245 * pa.c (secondary_reload_class): SAR<->FP copies require a
1246 secondary register.
1248 * install.texi (mips-mips-bsd): Update list of functions
1249 required to include memmove.
1250 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1251 used functions to include memmove.
1253 2001-04-15 Mark Mitchell <mark@codesourcery.com>
1255 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1256 if it is not set.
1258 2001-04-15 Jim Wilson <wilson@redhat.com>
1260 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1262 2001-04-13 Jim Wilson <wilson@redhat.com>
1264 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1265 (first_instruction): New static variable.
1266 (rtx_needs_barrier): Return 1 for alloc.
1267 (init_insn_group_barriers): Set first_instruction.
1268 (rws_sum): Delete duplicate definition.
1269 (group_barrier_needed_p): Return 0 when first_instruction true.
1270 (safe_group_barrier_needed_p): Save and restore first_instruction
1271 around group_barrier_needed_p call.
1273 Fri Apr 13 21:33:59 2001 Loren J. Rittle <ljrittle@acm.org>
1275 * expr.h (enum libfunc_index): Add LTI_memmove.
1276 (memmove_libfunc): Define macro.
1277 * optabs.c (init_optabs): Initialize memmove_libfunc.
1278 * expr.c (expand_assignment): Use memmove_libfunc instead of
1279 memcpy_libfunc.
1281 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1283 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1284 fp mode addresses.
1286 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1288 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1289 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1290 MAKEINFO and MAKEINFOFLAGS too.
1291 (stage4_build): Correctly order -B flags.
1293 2001-04-12 Jim Wilson <wilson@redhat.com>
1295 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1296 to just emit an fnorm.
1298 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1300 * invoke.texi: Document --param max-gcse-memory.
1302 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1304 * sh.md (builtin_setjmp_receiver): New expander.
1306 2001-04-12 Kelley Cook <kelley.cook@home.com>
1308 * config-lang.in (lang_dirs): Add in zlib.
1310 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1312 * dwarf2out.c (modified_type_die): Don't create new types here.
1313 * tree.h (get_qualified_type): New function.
1314 (build_qualified_type): Adjust comment.
1315 * tree.c (get_qualified_type): New function.
1316 (build_qualified_type): Use it.
1318 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1320 * cpp.texi (-Wtraditional): Update description.
1322 * invoke.texi (-Wtraditional): Likewise.
1324 2001-04-11 Jim Wilson <wilson@redhat.com>
1326 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1327 requires more than 64 bits of alignment.
1329 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1331 * cpplib.c (do_line): Sanity check iff enable checking.
1333 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1335 * Makefile.in (gcse.o): Depend on params.h.
1336 * gcse.c: Include params.h.
1337 (gcse_main): Don't do GCSE if doing so will take inordinate
1338 amounts of memory.
1339 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1340 * params.h (MAX_GCSE_MEMORY): New macro.
1342 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1344 * c-typeck.c (convert_arguments): -Wtraditional now activates
1345 -Wconversion warnings, except for changes in signed-ness.
1346 Detect complex<->int & int<->complex conversions as well.
1348 * invoke.texi (-Wtraditional): Document it.
1350 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1352 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1354 2001-04-11 Jason Merrill <jason_merrill@redhat.com>
1356 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1357 not '.' or '$'.
1358 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1359 * varasm.c (CHKR_PREFIX): Likewise.
1361 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1363 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1365 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1367 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1368 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1369 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1370 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1371 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1373 2001-04-09 Neil Booth <neil@daikokuya.demon.co.uk>
1375 * configure.in: Add check for lstat.
1376 * configure, config.in: Regenerate.
1377 * cppinit.c (append_include_chain): Make empty path ".".
1378 * cpplib.c (do_line): Don't simplify #line paths.
1379 * cppfiles.c (remove_component_p): New function.
1380 (find_or_create_entry): Acknowledge stat () errors during
1381 path simplification.
1382 (handle_missing_header): Don't simplify paths.
1383 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1384 the empty path untouched. Don't leave a trailing '/'.
1386 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1388 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1389 function. Remove include of sys/cygwin.h.
1391 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1393 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1394 (CPP_SPEC): Always search */include/w32api for header files.
1395 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1396 (LINK_SPEC): Add "cyg" to the library search prefixes.
1398 2001-04-08 Philip Blundell <philb@gnu.org>
1400 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1402 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1404 * cpperror.c (print_location): Don't special case <stdin>.
1405 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1406 WARNING, but we don't check if we're in system headers.
1407 * cpphash.h (enum error_type): WARNING_SYSHDR: New.
1408 * cpplib.c (do_warning): Warn in system headers.
1409 (cpp_push_buffer): Give stdin buffers the name <stdin>.
1411 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1413 * mbchar.c: Include config.h first.
1415 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1417 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1419 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1421 * config/ia64/ia64.c (rtx_needs_barrier): PARALLELs can contain
1422 ASM_OPERANDS.
1424 2001-04-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1426 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1427 all labels present in rtx.
1428 (try_split) Call new function for all split insns.
1430 2001-04-05 Neil Booth <neil@daikokuya.demon.co.uk>
1432 * cppfiles.c (open_file): Fail directories silently, but
1433 with an errno of NOENT set.
1434 (read_include_file): Move the common exit code to the sole
1435 caller. Return an int indicating success or failure. Let
1436 open_file handle directories.
1437 (stack_include_file): If read_include_file fails,
1438 push a "null" buffer.
1440 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1442 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1443 when folding integer division and modulo operations.
1445 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1447 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1448 push insns to delete to it instead of deleting them.
1449 (delete_null_pointer_checks): Delete insns from delete_list after
1450 all delete_null_pointer_checks_1 passes are done.
1452 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1454 * configure.in (target_subdir): Use target_alias, not target.
1455 * configure: Rebuilt.
1457 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1458 other way round.
1459 * config/sh/crti.asm: Fix typos in comments.
1461 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1463 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1464 LO_SUM cases to where they belong.
1466 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1468 * ifcvt.c (noce_emit_move_insn): New.
1469 (noce_try_store_flag, noce_try_store_flag_constants,
1470 noce_try_store_flag_inc, noce_try_store_flag_mask,
1471 noce_try_cmove, noce_try_cmove_arith): Use it.
1472 (noce_process_if_block): Likewise.
1473 For STRICT_LOW_PART, take mode from its SUBREG.
1475 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1477 * fold-const.c (fold): Before optimizing unsigned comparison with
1478 0x7fffffffU, make sure arg0 is integral type.
1480 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1482 * c-tree.texi: Document representation of wide strings.
1484 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1486 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1487 when multiplier or multiplicand is zero.
1489 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1491 * loop.c (load_mems): When generating a load from a pseudo, update
1492 REGNO_LAST_UID.
1494 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1495 rtx_needs_barrier.
1496 (set_src_needs_barrier): Likewise.
1497 (rtx_needs_barrier): For SET case, use these two functions. Rework
1498 PARALLEL case to handle all inputs before all outputs.
1499 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1500 saw a label and no stop bit since then.
1501 (maybe_rotate, process_epilogue): Add prototypes.
1503 2001-03-28 Jim Wilson <wilson@redhat.com>
1505 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1506 operand_subword.
1508 2001-03-28 DJ Delorie <dj@redhat.com>
1510 * Makefile.in (stage1_build): Revert CFLAGS patch.
1512 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
1514 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
1516 2001-03-27 Jim Wilson <wilson@redhat.com>
1518 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
1519 IA64_UNWIND_EMIT.
1520 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
1521 (process_epilogue): New static function.
1522 (process_set): Call process_epilogue instead of emitting .restore
1523 directly.
1524 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
1526 * flow.c (struct reg_cond_life_info): New fields orig_condition
1527 and stores.
1528 (init_propagate_block_info): Set new fields.
1529 (mark_regno_cond_dead): Set and use new fields.
1530 (flush_reg_cond_reg_1): Likewise.
1531 (and_reg_cond, case AND): Check for redundant AND conditions.
1532 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
1533 Set new fields.
1535 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1537 * cppmacro.c (stringify_arg): Null terminate strings.
1539 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
1541 * cppfiles.c: Update comments.
1542 (struct include_file): Remove "defined" memeber.
1543 (find_or_create_entry): Make a copy of the file name, and
1544 simplify it.
1545 (open_file): Update to ensure we use the simplified filename.
1546 (stack_include_file): Don't set search_from.
1547 (cpp_included): Don't simplify the path name here.
1548 (find_include_file): New prototype. Call search_from to
1549 get the start of the "" include chain. Don't simplify the
1550 filenames here.
1551 (_cpp_execute_include): New prototype. Move diagnostics to
1552 do_include_common. Update.
1553 (_cpp_pop_file_buffer): Don't set defined.
1554 (search_from): New prototype. Use the preprocessor's cwd
1555 for files included from the command line.
1556 (read_name_map): Don't simplify the pathname here.
1558 (stack_include_file): Only increase the include
1559 count if we actually process the file properly, as opposed
1560 to treating it as length zero. Only call read_include_file
1561 if not DO_NOT_REREAD. Handle the -H include file output
1562 here.
1563 (read_include_file): Remove now redundant DO_NOT_REREAD check.
1564 (cpp_included, find_include_file): Simplify pathnames after
1565 remapping them. If remapping, don't use the remapped file
1566 name's buffer as our scratch buffer.
1567 (cpp_pop_file_buffer): Replace the multiple include macro
1568 only if it isn't yet set.
1569 (read_name_map): Simplify remapped names when reading in.
1570 (remap_filename): Move code to code path that uses it.
1571 (_cpp_simplify_pathname): Return the input pointer.
1573 (NO_INCLUDE_PATH): New macro.
1574 (find_include_file): Decide here which part of the include
1575 chain to start the search. Complain about an empty include
1576 chain in all cases apart from an abolsute file name.
1577 (_cpp_execute_include): Don't choose the search chain here.
1578 Don't call handle_missing_include in the case of an empty
1579 include chain.
1580 (_cpp_compare_file_date): Don't choose the search chain here.
1582 (destroy_include_file_node): Rename destroy_node.
1583 (find_or_create_entry): New function.
1584 (open_file, _cpp_fake_include): Use it.
1585 (handle_missing_header): New function, broken out of
1586 _cpp_execute include. Don't segfault if there is no
1587 system or quoted path.
1588 (_cpp_execute_include): Use handle_missing_header.
1590 (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1591 (cpp_included, find_include_file): Update.
1592 (search_from): Use lbasename.
1593 (_cpp_execute_include): Don't make a null-terminated
1594 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1595 strlen or strcpy; we already know the length.
1596 (_cpp_compare_file_date): Similarly.
1598 * cpphash.h: Update comments.
1599 (enum include_type): New.
1600 (struct buffer): Delete search from. New search_cached.
1601 (_cpp_execute_include): Update prototype.
1602 (struct cpp_reader): Delete done_initialising.
1603 (_cpp_simplify_pathname): Update prototype.
1604 (struct cpp_buffer): Delete actual_dir. New members
1605 search_from and dir.
1606 (struct cpp_reader): Remove actual_dirs.
1608 (struct include_file): Update.
1609 (stack_include_file): Use search_from.
1610 (cpp_included, find_include_file): Update.
1611 (cpp_execute_include): Update. ptr->name may not be
1612 null terminated. Use the new search_from member variable
1613 of cpp_buffer.
1614 (_cpp_compare_file_date): Similarly.
1615 (search_from): New function, similiar to actual_directory.
1616 (actual_directory): Delete.
1617 (remap_filename): Update. loc->name may not be null terminated.
1618 (struct file_name_list): Rename search_path. Update.
1620 * cppinit.c (do_includes): Use _cpp_execute_include.
1621 (cpp_start_read): Don't set done_initialising.
1622 (struct cpp_pending): Update for renamed objects.
1623 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1624 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1626 * cpplib.c (do_include_common): New function.
1627 (do_include, do_include_next, do_import): Use it.
1628 (do_include_next): Move the in-main-file diagnostic
1629 here from _cpp_execute_include. Behave like #include if
1630 we're in the main file.
1631 (_cpp_compare_file_date): Make else unconditional.
1632 (CPP_PREV_BUFFER): Delete.
1633 (glue_header_name): Null-terminate.
1634 (do_line): Don't leak memory.
1636 * cpplex.c (parse_string): Guarantee null-termination.
1637 (_cpp_equiv_toklists): Remove.
1639 * cpplib.h (BT_WEAK): Delete.
1640 (struct cpp_options): Update.
1642 * cppmain.c (cb_ident): Strings are now null-terminated.
1644 * mkdeps.c (deps_add_default_target): Use lbasename.
1646 2001-03-27 Alan Modra <alan@linuxcare.com.au>
1648 * c-typeck.c (digest_init): Fold init expression.
1650 * except.c (eh_regs): Save results of build_pointer_type to a temp
1651 as FUNCTION_VALUE macro may evaluate its args multiple times.
1653 2001-03-26 Mark Mitchell <mark@codesourcery.com>
1655 * c-common.h (DECL_NUM_STMTS): New macro.
1656 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
1657 DECL_FRAME_SIZE.
1658 (pushdecl): Likewise.
1659 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
1660 * integrate.c (expand_inline_function): Don't check
1661 DECL_FRAME_SIZE.
1662 * print-tree.c (print_node): Don't print it.
1663 * toplev.c (rest_of_compilation): Don't try to inline when
1664 flag_no_inline is on.
1665 * tree.h (DECL_FRAME_SIZE): Remove.
1666 (tree_decl): Adjust accordingly.
1668 Mon Mar 26 15:59:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1670 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
1672 2001-03-26 Jakub Jelinek <jakub@redhat.com>
1674 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
1675 to variable names where DECL_NAME is different from
1676 DECL_ASSEMBLER_NAME.
1678 2001-03-26 Jakub Jelinek <jakub@redhat.com>
1680 * reg-stack.c (stack_result): Re-add 2001-03-14 changes which were
1681 lost during the 2001-03-14 lazy DECL_RTL commit.
1683 2001-03-21 Jason Merrill <jason@redhat.com>
1685 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
1686 not '.' or '$'.
1687 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
1688 * varasm.c (CHKR_PREFIX): Likewise.
1690 2001-03-25 Kazu Hirata <kazu@hxi.com>
1692 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
1693 space.
1694 (modqi3): Likewise.
1695 (umodhi3): Likewise.
1696 (modhi3): Likewise.
1698 2001-03-23 Richard Henderson <rth@redhat.com>
1700 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
1701 to avoid shadowing arguments.
1703 2001-03-23 Jim Wilson <wilson@redhat.com>
1705 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
1706 (assemble_alias): Call make_decl_rtl.
1708 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
1710 * extend.texi: Document the "java_interface" attribute.
1712 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
1714 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
1716 2001-03-22 Zack Weinberg <zackw@stanford.edu>
1718 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec field to
1719 all array elements.
1721 2001-03-22 Brad Lucier <lucier@math.purdue.edu>
1723 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
1725 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
1727 * gcc.texi: Remove more obsolete documentation of bugs and
1728 installation problems.
1730 2001-03-21 Kazu Hirata <kazu@hxi.com>
1732 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
1733 into two parts.
1735 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1737 * cse.c (find_comparison_args): Remove previous change.
1738 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
1739 REG_EQUAL notes.
1741 * sdbout.c: #include ggc.h.
1742 (sdbout_init): Move to end of file.
1743 Call ggc_add_tree_root for anonymous_types.
1744 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
1745 (sdbout_one_type): Use DECL_NAME for field name.
1746 * Makefile.in (sdbout.o): Show includes ggc.h.
1748 2001-03-21 Jakub Jelinek <jakub@redhat.com>
1750 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
1751 Remove ia32 linux PIC kludge and move it...
1752 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
1754 2001-03-20 DJ Delorie <dj@redhat.com>
1756 * Makefile.in (install-libgcc): Pass complete list of variables.
1757 (install-multilib): Ditto.
1759 2001-03-20 Mark Mitchell <mark@codesourcery.com>
1761 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
1762 variables that are TREE_PUBLIC, even if not TREE_STATIC.
1764 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1766 Compute DECL_ASSEMBLER_NAME lazily.
1767 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
1768 (DECL_ASSEMBLER_NAME_SET_P): New macro.
1769 (SET_DECL_ASSEMBLER_NAME): Likewise.
1770 (COPY_DECL_ASSEMBLER_NAME): Likewise.
1771 (set_decl_assembler_name): Declare.
1772 (lang_set_decl_assembler_name): Likewise.
1773 * tree.c (lang_set_decl_assembler_name): New variab.e
1774 (set_decl_assembler_name): New function.
1775 (init_obstacks): Set lang_set_decl_assembler_name.
1776 (build_decl): Don't set DECL_ASSEMBLER_NAME.
1777 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
1778 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
1779 where it's not necessary.
1780 (builtin_function): Likewise.
1781 (finish_decl): Likewise.
1782 * dbxout.c (dbxout_type_methods): Likewise.
1783 * ggc-common.c (ggc_mark_trees): Likewise.
1784 * profile.c (output_func_start_profiler): Likewise.
1785 * varasm.c (make_decl_rtl): Likewise.
1787 * cse.c (find_comparison_args): Update documentation. Fix
1788 mishandling of COMPARE operations.
1790 * tree.def (ABS_EXPR): Add documentation.
1791 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1793 2001-03-20 Tom Tromey <tromey@redhat.com>
1795 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
1797 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1799 * config/i386/cygwin.h: Declare ctor_section, dtor_section
1800 drectve_section, switch_to_section.
1802 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
1803 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
1804 i386_pe_mark_dllimport.
1806 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
1808 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
1809 functions i386_pe_*.
1811 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
1812 i386_pe_* functions with char * arguments.
1814 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
1816 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
1817 and store.
1818 (movsi_ie): Introduce fpul store.
1820 2001-03-20 Alan Modra <alan@linuxcare.com.au>
1822 * Makefile.in (OBJS): Remove hashtab.o.
1824 2001-03-19 Tom Tromey <tromey@redhat.com>
1826 * gcc.c (init_gcc_specs): Fix comment.
1828 2001-03-19 Mark Mitchell <mark@codesourcery.com>
1830 * cse.c (find_comparison_args): Update documentation. Fix
1831 mishandling of COMPARE operations.
1833 * tree.def (ABS_EXPR): Add documentation.
1834 * fold-const.c (fold): Improve folding of ABS_EXPRs.
1836 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
1838 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
1840 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1842 * README.X11: Remove obsolete file.
1844 2001-03-18 Anthony Green <green@redhat.com>
1846 * config/pj/pj.h: Remove some trailing commas.
1847 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
1849 2001-03-17 Anthony Green <green@redhat.com>
1851 * config/pj/lib1funcs.S: Fix broken comment.
1852 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
1853 labels with '.'.
1855 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
1857 * gcc.texi: Remove obsolete information relating to build and
1858 installation problems with enquire or the Pyramid C compiler.
1860 2001-03-16 Philip Blundell <philb@gnu.org>
1862 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1863 "armv2-*-linux".
1864 * config/arm/linux-elf.h: Remove historical relics related to
1865 above configurations.
1866 * config/arm/linux-oldld.h: Delete.
1867 * config/arm/linux-elf26.h: Delete.
1869 2001-03-17 Richard Henderson <rth@redhat.com>
1871 * dwarf2out.c (lookup_filename): Emit .file if the assembler
1872 is generating .debug_line.
1873 (dwarf2out_init): Add main_input_filename to the file table first.
1874 * configure.in (as_dwarf2_debug_line): Test with file number 1
1875 instead of file number 0.
1877 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
1878 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
1879 (size_of_line_prolog): Remove.
1880 (output_line_info): Compute prologue size via label difference.
1881 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
1882 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
1883 assembler error when redefining file numbers.
1884 * config.in, configure: Rebuild.
1886 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
1888 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
1889 variable.
1891 2001-03-16 Jim Wilson <wilson@redhat.com>
1893 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
1894 then set it to LOC_REG (79) instead of aborting.
1896 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1898 * fixinc/Makefile.in: Set SHELL.
1900 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1902 * fixinc/fixincl.c (fix_with_system): Quote file names before
1903 passing them to shell.
1905 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
1907 * Makefile.in: Use fix-header$(build_exeext) instead
1908 of fix-header.
1910 Fri Mar 16 11:26:01 2001 Christopher Faylor <cgf@cygnus.com>
1912 * config/i386/cygwin.h: Revert previously misapplied patch which
1913 eliminated TARGET_SUBTARGET_DEFAULT.
1915 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1917 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
1918 register may be dead.
1920 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1922 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
1924 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
1926 * Makefile.in (hash.o): Depend on CONFIG_H.
1928 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
1930 * cppfiles.c (stack_include_file): Use MAX of sysp.
1932 2001-03-15 Steve Ellcey <sje@cup.hp.com>
1934 * config.gcc (ia64*-*-hpux*): New case.
1935 * config/ia64/hpux.h: New file for HP-UX support.
1936 * config/ia64/t-hpux: New file for HP-UX support.
1938 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
1940 * fixinc/inclhack.def (irix_stdio_va_list): New.
1941 * fixinc/fixincl.x: Rebuilt.
1943 2001-03-15 Bruce Korb <bkorb@gnu.org>
1945 * gcc.c(main): make more rigorous
1946 * collect2.c(main): guard against ignoring SIGCHLD
1947 * protoize.c(main): ditto
1948 * gcc/fixinc/fixincl.c(initialize): ditto
1950 2001-03-15 Mark Mitchell <mark@codesourcery.com>
1952 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
1953 (sdbout_parms): Likewise.
1955 Thu Mar 15 12:51:00 2001 Jeffrey A Law (law@cygnus.com)
1957 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
1958 "widen" a destination that is already wider than a word. Also do
1959 not widen if LOAD_EXTEND_OP is NIL for the given mode.
1961 2001-03-15 Zack Weinberg <zackw@stanford.edu>
1963 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1964 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1965 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1966 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1967 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1968 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1969 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1970 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1971 config/i370/xm-oe.h, config/i386/xm-aix.h,
1972 config/i386/xm-i386.h, config/i386/xm-osf.h,
1973 config/i860/xm-i860.h, config/i960/xm-i960.h,
1974 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1975 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1976 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1977 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1978 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1979 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1980 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1981 config/pj/xm-pj.h, config/romp/xm-romp.h,
1982 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1983 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1984 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1985 config/v850/xm-v850.h, config/vax/xm-vax.h,
1986 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1987 Do not define TRUE or FALSE.
1989 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1990 empty by above change.
1991 * config.gcc: Remove references to these files.
1993 * configure.in: Detect stdbool.h.
1994 * configure, config.in: Regenerate.
1995 * system.h: Include stddef.h here if available. Set
1996 HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. Then
1997 set up a sensible boolean type at the very end.
1999 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
2000 config/mcore/mcore.c: Rename variables named 'true'
2001 and/or 'false'.
2003 * hash.h: Delete 'boolean' typedef and related #undefs.
2005 * function.c, ggc-common.c, hash.h, hash.c, tlink.c,
2006 Replace all uses of 'boolean' with 'bool'.
2008 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2009 David Billinghurst <David.Billinghurst@riotinto.com>
2011 * config/mips/iris5.h: Change WCHAR_TYPE to int.
2013 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2015 * simplify-rtx.c (hash_rtx): For REG and MEM, just use value of
2016 expression without adding in rtx code and mode.
2018 * alias.c (init_alias_analysis): Don't use any rtx whose value
2019 varies as a known value.
2020 Delete a superfluous test.
2022 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2024 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2026 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2028 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2029 contents of the RTL, to determine the name of the object.
2031 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
2033 * configure.in: Use $gcc_cv_as instead of $as.
2034 * configure: Regenerated.
2036 Wed Mar 14 13:17:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2038 * alias.c (handled_component_p, can_address_p): New functions.
2039 (get_alias_set): Use them.
2041 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2043 * expr.c (expand_expr): Revove bogus conditional.
2045 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2047 * tree.h (DECL_RTL): Allocate RTL lazily.
2048 (SET_DECL_RTL): New macro.
2049 (DECL_RTL_SET_P): Likewise.
2050 (COPY_DECL_RTL): Likewise.
2051 (DECL_RTL_IF_SET): Likewise.
2052 * varasm.c (make_decl_rtl): Add assertions about the kind of
2053 declaration we are processing.
2054 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2055 (start_decl): Likewise.
2056 (finish_decl): Likewise.
2057 * c-semantics.c (emit_local_var): Likewise.
2058 * calls.c (expand_call): Likewise.
2059 * dbxout.c (dbxout_symbol): Likewise.
2060 * emit-rtl.c (unshare_all_rtl): Likewise.
2061 (unshare_all_decls): Likewise.
2062 (reset_used_decls): Likewise.
2063 * expr.c (store_constructor): Likewise.
2064 (safe_from_p): Likewise.
2065 (expand_expr): Likewise.
2066 * function.c (put_var_into_stack): Likewise.
2067 (instantiate_decls_1): Likewise.
2068 (assign_parms): Likewise.
2069 (expand_function_start): Likewise.
2070 (expand_function_end): Likewise.
2071 * ggc-common.c (gcc_mark_trees): Likewise.
2072 * integrate.c (function_cannot_inline_p): Likewise.
2073 (copy_decl_for_inlining): Likewise.
2074 (expand_inline_function): Likewise.
2075 (integrate_parm_decls): Likewise.
2076 (integrate_decl_tree): Likewise.
2077 * print-tree.c (print_node): Likewise.
2078 * reg-stack.c (stack_result): Likewise.
2079 * stmt.c (label_rtx): Likewise.
2080 (expand_return): Likewise.
2081 (expand_decl): Likewise.
2082 (expand_decl_cleanup): Likewise.
2083 (expand_anon_union_decl): Likewise.
2084 * toplev.c (check_global_declarations): Likewise.
2085 (rest_of_decl_compilation): Likewise.
2086 * tree.c (simple_cst_equal): Likewise.
2087 * objc/objc-act.c (generate_static_references): Likewise.
2089 2001-03-14 Jakub Jelinek <jakub@redhat.com>
2091 * reg-stack.c (stack_result): Unconditionally use
2092 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
2094 2001-03-13 Jim Wilson <wilson@redhat.com>
2096 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
2097 from 80 in try_locals code.
2098 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
2100 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * cpp.texi (poison): Explain the macro expansion exception.
2104 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
2106 * cppinternals.texi: Update for file handling.
2108 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2110 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
2111 unless anti_dependence says they are.
2112 * alias.c (objects_must_conflict): If neither has a type specified,
2113 they must conflict.
2115 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
2117 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
2118 before reload_cse_noop_set_p.
2120 Sat Mar 10 23:21:34 2001 kaz Kojima <kkojima@rr.iij4u.or.jp>
2122 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
2124 Sat Mar 10 23:16:16 2001 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
2126 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
2127 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
2129 Sat Mar 10 23:03:25 2001 Alexandre Oliva <aoliva@redhat.com>
2131 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
2132 if it's a record type.
2134 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
2136 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
2137 mingw includes slightly.
2139 Fri Mar 9 18:33:50 2001 Jeffrey A Law (law@cygnus.com)
2141 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
2143 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
2145 * configure: Rebuilt.
2146 * configure.in: Only use `lang_requires' for languages athat are
2147 actually enabled.
2149 Thu Mar 8 23:34:42 2001 Jeffrey A Law (law@cygnus.com)
2151 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
2153 Thu Mar 8 23:22:26 2001 John Wehle (john@feith.com)
2155 * rtlanal.c (rtx_varies_p): Check operand 0 of a
2156 LO_SUM unless for_alias is set.
2158 2001-03-08 Bruce Korb <bkorb@gnu.org>
2160 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
2161 wait4() can receive the signal.
2163 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2165 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
2166 entities.
2167 * fixinc/fixincl.x: Regenerate.
2169 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2171 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
2172 on Tru64 UNIX.
2173 * fixinc/fixincl.x: Regenerate.
2175 Thu Mar 8 19:42:08 CET 2001 Jan Hubicka <jh@suse.cz>
2177 * reg-stack.c (move_for_stack_reg): Avoid non-popint fst for
2178 TFmode too.
2180 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2182 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
2184 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
2186 * configure.in (enable_shared): Support per-package shared-library
2187 enabling.
2188 * configure: Rebuilt.
2190 2001-03-07 David Edelsohn <edelsohn@gnu.org>
2192 * rs6000.md (cr logic): Add original POWER mnemonic alternative
2193 for crnot. Set operands[5] in splitter.
2195 2001-03-07 Tom Tromey <tromey@redhat.com>
2197 * configure: Rebuilt.
2198 * configure.in: Allow config-lang.in to set `lang_requires' to list
2199 of other required languages.
2201 2001-03-07 Richard Henderson <rth@redhat.com>
2203 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
2205 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
2207 * fixinc/inclhack.def (djgpp_wchar_h): New test.
2208 * fixinc/fixincl.x: Regenerated.
2210 2001-03-06 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2212 * Restore change that patch misapplied.
2213 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2214 (ix86_set_move_mem_attrs_1): Likewise.
2215 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2216 * config/i386/i386.md (movstrsi): Call it.
2218 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
2220 * config/m68k/m68k.c (const_uint32_operand): Accept any
2221 const_int on a 32-bit host.
2223 2001-03-06 Zack Weinberg <zackw@stanford.edu>
2225 * c-parse.in (yylexname): New function, split out of _yylex.
2226 (objc_rid_sans_at): New table.
2227 (init_reswords): Initialize it.
2228 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
2229 retrieving the next token and checking it for significance as
2230 an ObjC keyword or string constant.
2232 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
2233 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
2235 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
2236 to CPP_OSTRING.
2238 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
2240 * objc/objc-act.c (init_objc): Set save_lang_status,
2241 restore_lang_status, and mark_lang_status.
2243 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
2245 * cppinternals.texi: Update.
2247 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
2249 * invoke.texi: Document __FAST_MATH__.
2251 2001-03-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
2253 * function.c (purge_addressof_1): Change type of function
2254 purge_addressof_1 from boolean to int. Change local variable
2255 `result' to int, and false and true to 0 and 1, respectively.
2257 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2259 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
2260 negative numbers.
2261 (___subdi3, ___adddi3): Use x instead of y as index register.
2262 (__init_bss_section, __map_data_section): Optimize for 68HC12.
2263 (__memset, __memcpy): Likewise.
2264 (regs): Put the soft registers in bss for 68HC12.
2265 (abort): Use trap to abort for 68hc12.
2266 (__mulhi3, __mulhi32): Use emul for 68hc12.
2267 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
2269 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2271 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
2272 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
2273 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
2274 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
2275 Set 68HC12 min offset to -65536.
2276 (print_operand): Put parenthesis arround the operand if it refers
2277 to a symbol having the same name as a register.
2278 (m68hc11_z_replacement): When z register is replaced by its
2279 equivalent soft register, force the insn to be re-recognized.
2280 (m68hc11_check_z_replacement): Fix the test when destination is
2281 the index register and z dies in the insn.
2282 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
2284 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2286 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
2287 costs according to processor variant.
2288 (m68hc11_shift_cost): New function to compute shift costs.
2289 (m68hc11_rtx_costs): Define costs according to processor variant.
2290 (m6811_cost): Costs for 68HC11.
2291 (m6812_cost): Costs for 68HC12.
2292 (COSTS_N_INSNS): Remove.
2294 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
2295 (DEFAULT_RTX_COSTS): Remove.
2296 (CONST_COSTS): Define costs according to OUTER_CODE.
2297 (processor_costs): New struct to define costs.
2298 (m68hc11_cost): Pointer to current costs.
2300 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2302 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
2303 and use m68hc11_notice_keep_cc when using leax/leay.
2304 (addhi3 split): Reject split if the insn is handled by
2305 leax/leay above.
2306 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
2307 push must be handled in a special way if the source operand uses
2308 sp as index register.
2309 (m68hc11_notice_keep_cc): New function.
2310 (m68hc11_gen_movhi): Use it when an insn changes a register but
2311 not the flags.
2312 (m68hc11_gen_movqi): Fix move for 68HC12.
2313 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
2315 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2317 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
2318 and don't pass operands[0] to emit_library_call_value.
2320 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2322 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
2323 (zero_extendsi split): Simplify and use (zero_extendhi).
2324 (*addhi3): Remove 'w' constraint since stack pointer is handled
2325 by (addhi3_sp).
2326 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
2327 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
2328 (*ashrhi3_const): Fix shift by 7.
2329 (*lshrsi3_const16): Fix template.
2330 (call, call_value): Fix constraint and predicate.
2332 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2334 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
2335 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
2336 (CC_REGNUM): Likewise.
2337 (*unnamed splits): Use above constants instead of hard coded numbers.
2338 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
2339 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
2340 (*return_16bit, *unnamed peepholes): Likewise.
2342 2001-03-03 Laurynas Biveinis <lauras@softhome.net>
2344 * gcc.c (convert_filename): Append executable suffix
2345 if NO_AUTO_EXE_SUFFIX is not defined.
2346 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
2347 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
2350 2001-03-03 David O'Brien <obrien@FreeBSD.org>
2352 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2353 * c-parse.gperf, c-gperf.h: Delete.
2354 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
2355 by tromey)
2357 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2359 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
2360 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
2361 t_bool in declaration because pcc can't combine volatile with typedef
2362 types.
2364 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2366 * longlong.h (umul_ppmm): Don't use a multiline string.
2368 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2370 * cpplex.c (_cpp_lex_token): Don't warn about directives in
2371 macro arguments when looking for the '('.
2372 * cppmacro.c (funlike_invocation_p): Set parsing_args to
2373 2 when really parsing arguments; 1 when looking for '('.
2374 Always restore the lexer position.
2376 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2378 * cpplex.c (parse_string): Unconditionally pedwarn.
2380 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
2382 * cpp.texi: Update.
2383 * cppexp.c (parse_number): Update.
2384 * cpplex.c (parse_string): Pedwarn if multiline string does not
2385 result from a system header's macro.
2386 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
2387 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
2388 for function-like macros too.
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
2394 shifts.
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 * simplify-rtx.c (hash_rtx): Cast enums to unsigned unt.
2417 * timevar.c (timevar_print): Change loop variable id from enum to
2418 unsigned int.
2419 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
2420 * config/i386/i386.md: Use PUT_MODE for mode assignment.
2421 * toplev.c (compile_file): Cast enum DFI to int.
2422 (decode_d_option): Likewise.
2424 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
2426 * cppinit.c (append_include_chain): Mark "after" include file name list
2427 as a system directory.
2428 * cpp.texi: Document new behavior.
2430 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2432 * cpphash.h (struct cpp_reader): Add print_version field.
2433 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
2434 just set print_version and other flags as appropriate.
2435 (cpp_post_options): Print version here if print_version is set.
2437 * toplev.c (exit_after_options): New flag.
2438 (independent_decode_option): Don't exit here; just set
2439 exit_after_options.
2440 (main): Exit after calling lang_hooks.post_options if
2441 exit_after_options is true.
2443 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
2444 (merge_include_chains): Adjust comment to match code.
2446 2001-03-01 Zack Weinberg <zackw@stanford.edu>
2448 * stringpool.c (set_identifier): New function.
2449 * tree.h: Prototype it.
2451 * c-parse.in: Kill D_YES. If compiled for objc, call
2452 save_and_forget_protocol_qualifiers from init_reswords.
2453 * objc/objc-act.c (remember_protocol_qualifiers,
2454 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
2455 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
2456 vice versa.
2457 (save_and_forget_protocol_qualifiers): New function.
2458 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
2460 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2462 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
2463 * cppexp.c (lex): Cast enums for comparison.
2464 * cppinit.c (parse_option): Cast enum for comparison.
2465 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
2466 (cpp_output_token): Likewise.
2467 (cpp_can_paste): Cast enums for comparsion and plus/minus.
2468 (cpp_avoid_paste): Cast enums for minus and comparison.
2470 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2472 * Makefile.in (resource.o): Add params.h dependence.
2473 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2474 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2475 * resource.c: Add dependence on params.h.
2476 (current_live_regs): Fix explanatory comment.
2477 (find_basic_block): Add new parameter to permit limiting search
2478 for a BARRIER.
2479 (mark_target_live_regs): Add new argument to find_basic_block call.
2480 (incr_ticks_for_insn): Likewise.
2482 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2484 * Makefile.in (reorg.o): Add params.h dependence.
2485 * params.def: Fix typographical error in comment.
2486 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2487 * params.h: Modify introductory comment.
2488 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2489 * reorg.c: Add dependence on params.h.
2490 (redundant_insn): Add parameterized throttle for search.
2491 (fill_simple_delay_slots): Add a comment explaining a variable.
2492 Move conditional out of loop, simplifying code.
2493 (fill_eager_delay_slots): Fix typographical error in comment.
2495 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2497 * Makefile.in (OBJS): Add params.o.
2499 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2501 * Makefile.in (toplev.o): Depend on params.h.
2502 (intergate.o): Likewise.
2503 (params.o): New target.
2504 * flags.h (inline_max_insns): Remove.
2505 * integrate.c: Include params.h.
2506 Use MAX_INLINE_INSNS instead of inline_max_insns.
2507 * params.c: New file.
2508 * params.h: Likewise.
2509 * params.def: Likewise.
2510 * toplev.c: Include params.h.
2511 (lang_independent_params): New variable.
2512 (decode_f_option): Use the param machinery instead of setting
2513 max_inline_insns.
2514 (independent_decode_option): Handle "--param name=value".
2515 (main): Register language-independent parameters.
2517 Thu Mar 1 09:44:15 2001 Jeffrey A Law (law@cygnus.com)
2519 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
2520 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
2522 * pa.c (emit_move_sequence): Verify operand0 is a hard register
2523 before determining its register class.
2525 2001-03-01 Bernd Schmidt <bernds@redhat.com>
2527 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
2528 from reg 4 if current_function_calls_setjmp.
2529 (ia64_sched_reorder): Move code that rotates bundles up a bit.
2531 * reload1.c (eliminate_regs_in_insn): Restrict the special case
2532 code not to try to optimize adds with anything but a REG destination.
2534 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
2535 (INSN_PRIORITY_KNOWN): New accessor macro.
2536 * haifa-sched.c (priority): Use it instead of testing priority against
2537 zero.
2539 2001-02-28 Neil Booth <neil@daikokuya.demon.co.uk>
2541 * cppinit.c (builtin_array): Update.
2542 (init_builtins): Flag builtins to warn if redefined or
2543 undefined. Define __GXX_WEAK as a normal macro.
2544 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2545 * cpplib.h (NODE_WARN): New flag.
2546 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2547 Handle __STDC__ as a builtin only on Solaris.
2548 (warn_of_redefinition): Renamed from check_macro_definition.
2549 Reverse sense of test. Always warn if NODE_WARN.
2550 (_cpp_create_definition): Use warn_of_redefinition. Flag
2551 any macro beginning with "__STDC_" to require a mandatory
2552 warning if redefined or undefined.
2553 * cppinit.c (set_lang): Move builtin handling to...
2554 (init_builtins): ...here.
2555 (_cpp_create_reader): Move call to set_lang.
2556 * cppfiles.c (stack_include_file): Generate dependencies
2557 here, and manage include_count here too.
2558 (PRINT_THIS_DEP): Delete.
2559 (_cpp_execute_include): Do not generate dependencies here,
2560 apart from the case of a missing header. Do not manage
2561 include_count.
2562 (_cpp_read_file): Leave dependency generation to
2563 stack_include_file.
2564 * cppexp.c (parse_number): Similarly.
2565 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2566 * cppmacro.c (struct cpp_macro): New member node.
2567 (parse_args): Only warn about missing rest args if not
2568 a system macro.
2569 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2570 (cpp_sys_objmacro_p): New.
2571 (_cpp_create_definition): Store the node with the macro defn.
2572 Remember if the macro is defined in a system header.
2574 2001-02-28 Nathan Sidwell <nathan@codesourcery.com>
2576 * extend.texi (Deprecated Features): Deprecate float and
2577 complex template constant parms.
2579 Tue Feb 27 16:45:00 2001 Jeffrey A Law (law@cygnus.com)
2581 * pa.c (override_options): Promote -fpic to -fPIC.
2582 (legitimize_pic_address): Simplify due to removal of
2583 small PIC as a code generation option.
2584 (secondary_reload_class): Similarly.
2585 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2586 (PRINT_OPERAND_ADDRESS): Similarly.
2587 * pa.md (various patterns): Similarly.
2588 (small pic lo_sum pattern): Remove.
2590 2001-02-27 Andreas Jaeger <aj@suse.de>
2592 * configure.in: Document that --disable-checking is default.
2593 * configure: Regenerated.
2595 2001-02-27 Mark Mitchell <mark@codesourcery.com>
2597 * configure.in: Make --disable-checking the default.
2598 * configure: Regenerated.
2600 2001-02-26 Mark Mitchell <mark@codesourcery.com>
2602 Revert the two previous changes.
2604 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2606 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2607 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2608 * config/i386/i386.md (movstrsi): Handle FAIL case.
2610 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2612 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2613 (ix86_set_move_mem_attrs_1): Likewise.
2614 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2615 * config/i386/i386.md (movstrsi): Call it.
2617 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2619 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2620 used to set another biv.
2622 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2624 * errors.c (internal_error, trim_filename): New functions.
2625 (fancy_abort): Call internal_error.
2626 * errors.h (internal_error, trim_filename): New declarations.
2628 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2630 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2631 2000-08-26's patch.
2632 (EXTRA_CONSTRAINT): Formatting changes.
2634 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2636 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2638 2001-02-23 Per Bothner <per@bothner.com>
2640 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2641 so they can be called from java/jvspec.c.
2642 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2644 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2646 * diagnostic.c (trim_filename): No longer static.
2647 * toplev.h (trim_filename): Declare.
2648 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2649 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2650 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2651 (rtvec_check_failed_bounds): Likewise.
2652 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2654 * convert.c (convert_to_integer): Don't do unsigned unless result or
2655 both inputs are unsigned.
2657 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2658 input overflows.
2660 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2662 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2664 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2666 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2667 check if either operand is divisible by C.
2668 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2669 If type is signed, consider negative numbers as well.
2671 2001-02-22 Richard Henderson <rth@redhat.com>
2673 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2674 reach .text instead of gp-relative relocs.
2675 * config/ia64/crtend.asm (.init): Likewise.
2677 2001-02-22 Andreas Jaeger <aj@suse.de>
2679 * extend.texi (C++ Attributes): Fix typo.
2681 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2683 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2684 functions, drop current_function_args_info.words test.
2685 (ia64_compute_frame_size): Mark syscall_linkage functions as
2686 using eight input registers.
2688 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2689 Bruce Korb <bkorb@gnu.org>
2691 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2692 * fixinc/README: Document how to convert sed substitutions
2693 to format style c_fix-es.
2694 * fixinc/fixincl.x: regen
2696 2001-02-21 Bruce Korb <bkorb@gnu.org>
2697 Rodney Brown <RodneyBrown@mynd.com>
2699 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2700 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2701 machine restrictions
2702 * fixinc/fixincl.x: regen
2704 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2706 * cppfiles.c: Update comments.
2707 (_cpp_read_file): Don't check for NULL filenames any more.
2708 * cppinit.c (cpp_start_read): Don't do canonicalization of
2709 in_fname and out_fname. Use the passed file name exclusively.
2710 (_cpp_handle_options): Don't treat "-" as a command line option,
2711 but as a normal filename.
2712 (_cpp_post_options): Canonicalize in_fname and out_fname.
2713 * cppmain.c (printer_init): Don't check out_fname for NULL.
2714 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2715 (init_c_lex): Update, and use "" to represent stdin to CPP.
2716 (yyparse): Update.
2718 2001-02-21 Kazu Hirata <kazu@hxi.com>
2720 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2721 character.
2722 (xorsi3): Likewise.
2724 Wed Feb 21 19:16:26 CET 2001 Jan Hubicka <jh@suse.cz>
2726 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2728 2001-02-21 Jason Merrill <jason@redhat.com>
2730 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2731 (struct tree_decl): Add uninlinable bitfield.
2732 * c-decl.c (duplicate_decls): Set it.
2733 * integrate.c (function_cannot_inline_p): Check it.
2735 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2736 DW_AT_MIPS_linkage_name to abstract methods.
2737 (dwarf2out_abstract_function): Emit class context before calling
2738 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2739 (gen_subprogram_die): Remove obsolete code.
2740 (gen_member_die): Don't include clones in the member list.
2741 (gen_decl_die): Emit abstract info for clone origin.
2742 * dwarfout.c (output_type): Don't include clones in the member list.
2743 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2744 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2745 DECL_ABSTRACT on a function that already has it set.
2747 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2748 (get_subprogram_die): Pass it in.
2750 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2752 * flow.c (mark_set_1): Make not_dead unsigned long. For
2753 non-pseudos, use it as a bitmask of the hard regs that
2754 don't die.
2756 2001-02-20 Will Cohen <wcohen@redhat.com>
2758 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2759 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2760 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2761 fixunstfsi_libfunc.
2763 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2765 * stmt.c (expand_return): If an attempt is made to return the
2766 error_mar_node, treat the return like a return without a value.
2768 Mon Feb 19 20:24:50 2001 Jeffrey A Law (law@cygnus.com)
2770 * pa.c (move_operand): Accept code to load the address of a
2771 symbol out of the DLT as a valid move operand.
2772 (print_operand, case 'A'): New to handle generating a DLT
2773 reference for a LO_SUM expression.
2774 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2775 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2777 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2779 * README, cpp.texi, gcc.texi: Update version number to 3.0.
2780 * cpp.1, gcov.1, gcc.1: Regenerate.
2782 2001-02-19 Richard Henderson <rth@redhat.com>
2784 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2785 would be disrupted.
2787 Mon Feb 19 10:11:53 2001 Jeffrey A Law (law@cygnus.com)
2789 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2790 target_cpu_default. Remove dead assignment to
2791 target_cpu_default.
2793 Mon Feb 19 16:46:56 CET 2001 Jan Hubicka <jh@suse.cz>
2795 * regclass.c (contains_reg_of_mode): Make global.
2796 (init_reg_sets): Remove contains_reg_of_mode; take into account
2797 CLASS_MAX_NREGS when looking for the proper mode.
2798 (dump_regclass): Dump only classes considered for the pseudo.
2799 (regclass): Use contains_reg_of_mode.
2801 Mon Feb 19 16:40:45 CET 2001 Jan Hubicka <jh@suse.cz>
2803 * gcc.c (do_spec_1): 'n' for printing notices.
2804 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2806 Mon Feb 19 16:20:04 CET 2001 Jan Hubicka <jh@suse.cz>
2808 * reg-stack.c (next_flags_user): Use current_block->end
2809 (swap_rtx_condition): Look for next user if flags don't die;
2810 give up on CALL_INSNs; use current_block->end.
2812 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2814 * invoke.texi (-fsquangle): Remove documentation.
2815 (-fname-mangling-version): Likewise.
2817 2001-02-18 Kazu Hirata <kazu@hxi.com>
2819 * config/h8300/h8300.md: Update copyright.
2820 (andsi3): Do not output an extra newline character.
2822 Sun Feb 18 17:03:06 2001 Jeffrey A Law (law@cygnus.com)
2824 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2825 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2826 (mostlyclean): Corresponding changes.
2827 * rtlanal.c (hard-reg-set.h): Include.
2828 (rtx_unstable_p): Do not treat the argument pointer specially
2829 if it is not a fixed register.
2830 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2832 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2834 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2835 assignments from FP constants sonce 'Y' output code can't handle it.
2836 (eligible_for_sibcall_delay): Likewise.
2838 * invoke.texi (-I): Add note avoiding use for system header files.
2840 * final.c (output_operand_lossage): Use internal_error, not error.
2842 2001-02-18 Shane Nay <shane@agendacomputing.com>
2844 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2845 structure shift insns.
2847 2001-02-18 Richard Henderson <rth@redhat.com>
2849 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2851 * reload1.c (reload_cse_simplify_set): Fix typo.
2853 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2855 * diagnostic.c (_fatal_insn): Decrement errorcount.
2857 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2859 * pa.c (hppa_expand_prologue): Simplify code storing return
2860 pointer. For large (>=8k) frames with a post_store, adjust stack
2861 pointer by 8k-64 first rather than by 64. When testing with
2862 VAL_14_BITS_P, always use the actual value rather than the value
2863 negated. Add blockage to prevent scheduling of spills before
2864 stack frame has been created.
2865 (hppa_expand_epilogue): Simplify code loading return pointer.
2866 Allow a slightly larger range for merge_sp_adjust_with_load case.
2867 When testing with VAL_14_BITS_P, always use the actual value.
2869 * pa.c (pa_adjust_insn_length): Check that block move
2870 pattern is a set before looking at operands.
2872 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2874 * fold-const.c (fold_binary_op_with_conditional_arg): New
2875 function, split out from ...
2876 (fold): ... here.
2877 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2878 conditional arms that throw exceptions.
2880 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2881 looking at a BLOCK.
2883 2001-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2885 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2886 define HAVE_DECL_* to 1 to mask potential backup declarations.
2887 * configure: Regenerated.
2889 2001-02-17 Richard Henderson <rth@redhat.com>
2891 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2892 when replacing a memory load with a register.
2894 2001-02-17 Joseph S. Myers <jsm28@cam.ac.uk>
2896 * gcc.texi, invoke.texi: Link to GCC 3.0 version of
2897 c99status.html.
2899 2001-02-16 Richard Henderson <rth@redhat.com>
2900 DJ Delorie <dj@redhat.com>
2902 * jump.c (jump_optimize_1): When we delete a conditional jump
2903 preceeding a non-conditional jump to effectively the same place,
2904 make sure that the combined jump skips any clobber insns between
2905 the two labels.
2907 2001-02-16 Jason Merrill <jason@redhat.com>
2909 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2910 NULL.
2911 (gen_subprogram_die): Don't abort on seeing a second definition if
2912 the previous one was abstract. Don't replace an abstract instance
2913 in the lookup table.
2915 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2916 gen_abstract_function.
2917 * dwarf2out.h: Declare it.
2918 * toplev.c (note_outlining_of_inline_function): New fn.
2919 * toplev.h: Declare it.
2920 * integrate.c (output_inline_function): Call it.
2921 * c-decl.c (duplicate_decls): Call it when redefining an extern
2922 inline. Don't inline the new defn.
2924 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2926 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2928 * objc/objc-act.c (start_class): Register implemented_classes with
2929 GC.
2931 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2933 * cppfiles.c (_cpp_make_system_header): Generate a file
2934 change callback.
2936 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2938 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2940 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2941 do in memory.
2943 2001-02-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2945 * version.c: Bump to "3.0 20010215 (prerelease)".
2947 Thu Feb 15 15:15:29 2001 Alexandre Oliva <aoliva@redhat.com>
2949 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2951 Thu Feb 15 00:20:31 CET 2001 Jan Hubicka <jh@suse.cz>
2953 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2955 * invoke.texi (-mreg-alloc): Deprecate.
2957 2001-02-14 Richard Henderson <rth@redhat.com>
2959 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2961 Wed Feb 14 23:35:57 CET 2001 Jan Hubicka <jh@suse.cz>
2963 * regclass.c (init_reg_sets_1): Reinstall the optimization
2964 together with Matt Kraai's fix.
2966 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2968 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2970 2001-02-14 Richard Henderson <rth@redhat.com>
2972 * regclass.c (init_reg_sets_1): Revert last change.
2974 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
2976 * extend.texi (Deprecated): Deprecate new initializer lists.
2978 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
2980 * mkdeps.c (deps_add_default_target): Robustify. Add
2981 basename component only.
2982 * cpp.texi (-M): Describe how default target is generated.
2983 * invoke.texi (-M): Likewise.
2985 2001-02-13 Zack Weinberg <zack@wolery.stanford.edu>
2987 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2988 's' slots in RTXen.
2989 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2990 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2992 Wed Feb 14 01:03:14 CET 2001 Jan Hubicka <jh@suse.cz>
2994 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2995 arrays.
2997 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2999 * config/sparc/sparc.c (function_value): Treat all non-record
3000 aggregate types like used to treat UNION_TYPE.
3002 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3004 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3005 (try_combine): Use it.
3007 2001-02-13 Richard Henderson <rth@redhat.com>
3009 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3010 entire operator; replicate that and match_dup the operands.
3011 (cmp_ccx_arith_op_set): Likewise.
3012 (cmp_cc_arith_op_not_set): Likewise.
3013 (cmp_ccx_arith_op_not_set): Likewise.
3015 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3017 * c-common.c (constant_fits_type_p): New function.
3018 (convert_and_check): Use it.
3020 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3022 * Makefile.in (GXX_ABI_FLAG): Don't define.
3023 * configure.in (--enable-new-gxx-abi): Remove option.
3024 * config.in: Regenerated.
3025 * configure: Likewise.
3027 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3029 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3030 basic block.
3031 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3032 regular basic block, and arrange for all edges into it to switch
3033 to normal mode.
3035 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3037 * Makefile.in (distclean): Do not remove .gdbinit.
3039 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3041 * Makefile.in (gcc.o): Fix typos.
3042 (protize.o): Likewise.
3043 (unprotoize.o): Likewise.
3045 2001-02-11 Richard Henderson <rth@redhat.com>
3047 * tree.c (build1): Check for null operand in last change.
3049 2001-02-11 Richard Henderson <rth@redhat.com>
3051 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3052 (fold): Don't assume a constant isn't foldable.
3053 * tree.c (build): Set TREE_CONSTANT for an expression with no
3054 side-effects and constant operands.
3055 (build1): Likewise.
3057 2001-02-10 Richard Henderson <rth@redhat.com>
3059 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3061 2001-02-10 Anthony Green <green@redhat.com>
3063 * cpp.texi (Standard Predefined): Add documentation for
3064 __OPTIMIZE_SIZE__.
3066 * c-common.c (combine_strings): Improve warning message.
3068 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3070 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3071 --oformat.
3072 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3074 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3076 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3077 CYGWIN_CROSS_DIR.
3079 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3081 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3082 fp_mode attribute.
3084 2001-02-09 Nick Clifton <nickc@redhat.com>
3086 * config/arm/arm.md: Change output contraint on post inc
3087 load/store multiple patterns to be a read/write contraint.
3089 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3091 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3092 .o files when using the -M options.
3094 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3095 David Edelsohn <edelsohn@gnu.org>
3097 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3098 handle DImode constants. Use one TOC entry for SImode and smaller
3099 constants, aligned properly.
3101 2001-02-08 Jason Merrill <jason@redhat.com>
3103 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3104 about the SP adjustment for saving the static chain pointer.
3105 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3106 offset when setting a temporary CFA register.
3108 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3110 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3111 powerpc-*-chorusos* .
3112 * config/rs6000/chorus.h : New file.
3113 * config/i386/chorus.h : New file.
3114 * config/sparc/chorus.h : New file.
3115 * config/sparc/t-chorus-elf : New file.
3117 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3119 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3120 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3121 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3122 (__WCHAR_TYPE__): Correct macro name.
3124 2001-02-08 Richard Henderson <rth@redhat.com>
3126 * config/i386/i386.c (ix86_frame_pointer_required): New.
3127 (ix86_setup_frame_addresses): New.
3128 (struct machine_funciton): Add accesses_prev_frame.
3129 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3130 ix86_frame_pointer_required.
3131 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3132 (SETUP_FRAME_ADDRESSES): New.
3133 * config/i386/i386-protos.h: Update.
3134 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3135 from FRAME_POINTER_REQUIRED.
3136 * config/i386/svr3gas.h: Likewise.
3137 * config/i386/sysv3.h: Likewise.
3138 * config/i386/v3gas.h: Likewise.
3140 2001-02-08 Richard Henderson <rth@redhat.com>
3142 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3143 calculation of the number of integer registers required.
3144 (function_arg_record_value): Likewise.
3146 2001-02-08 Jason Merrill <jason@redhat.com>
3148 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3149 two. Print file and line with "confused" message.
3151 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3153 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3155 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3157 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3159 * final.c (cleanup_subreg_operands): The address of a MEM can
3160 contain SUBREGs.
3162 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3163 for asms, too.
3165 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3167 * gcc.texi (Incompatibilities): Update documentation of
3168 preprocessing numbers.
3170 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3172 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3174 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3176 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3178 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3179 * gcc.c (struct compiler): Add cpp_spec field.
3180 (input_file_compiler): New variable.
3181 (do_spec_1): Allow a particular compiler to handle `%C'
3182 specially.
3183 (main): Store the current compiler in input_file_compiler.
3184 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3186 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3188 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3189 * cppinit.c (cpp_create_reader): Initialize them.
3190 (append_include_chain): cxx_aware arg might be unused.
3191 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3192 keywords and give them their phase 7 meaning. Pedwarn about
3193 this unless '__bool_true_false_are_defined' is defined.
3195 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3197 * lcm.c (optimize_mode_switching): Emit mode_set before the
3198 JUMP_INSN of an abnormal edge.
3200 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3202 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3203 a scheduling barrier at the end.
3205 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3207 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3209 * config/sh/sh.md (reload_outsf): Removed.
3210 (movsf_ie): Introduce constraints for FPUL loads and stores.
3211 (reload_insf): Broaden the output constraint.
3213 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3214 defined.
3215 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3216 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3218 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3220 * final.c: Revert my previous changes.
3221 * output.h: Make profile_label_no extern.
3222 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3223 for generating label.
3225 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3227 * config/i386/djgpp.h: Add comments about standard paths.
3228 (MD_EXEC_PREFIX): Undefine before defining.
3229 (MD_STARTFILE_PREFIX): New.
3231 2001-01-30 Bruce Korb <bkorb@gnu.org>
3233 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3234 (load_file): do not rely on load_file_data() to close file pointer
3235 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3236 fixinc/inclhack.def(irix_limits_const): add test_text
3238 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3240 * cppexp.c (parse_defined): Improve diagnostics for invalid
3241 syntax.
3243 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3245 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3247 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3249 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3250 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3251 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3252 (rs6000_output_symbol_ref): New function.
3253 (output_toc): Use VTABLE_NAME_P.
3255 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3257 * print-tree.c (print_node, case PARM_DECL):
3258 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3260 * stor-layout.c (reference_types_internal): New variable.
3261 (internal_reference_types): New function.
3262 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3263 * tree.h (internal_reference_types): New declaration.
3265 * cse.c (find_best_addr): Fix typo in computing cost.
3267 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3269 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3270 and this is the sum of a pointer and a constant, we know the result
3271 did not overflow.
3272 (num_sign_bit_copies, case PLUS): Likewise.
3273 * explow.c (convert_memory_address): Remove opposite SUBREG.
3274 * function.c (instantiate_new_reg): New function (from common code).
3275 (instantiate_virtual_regs_1): Call it.
3276 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3277 if pointers sign- or zero-extend.
3278 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3279 If pointers extend unsigned, use inside of SUBREG.
3280 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3282 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3284 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3285 subdir of gcc_gxx_include_dir.
3286 (gcc_gxx_target_include_dir): Remove.
3288 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3290 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3291 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3292 a high-level description.
3294 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3296 * final.c: Move the declaration of profile_label_no to ...
3297 * output.h: ... here.
3298 * function.c (expand_function_start): Call PROFILE_HOOK.
3299 * config/rs6000/aix.h: Define PROFILE_HOOK.
3300 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3301 * config/rs6000/rs6000.c (output_profile_hook): Define.
3302 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3303 output_profile_hook.
3304 tm.texi : Explain new macro PROFILE_HOOK.
3306 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3308 * extend.texi (Extended Asm): Do not say that semicolon is always
3309 a valid line-breaking character for GNU assemblers. Use
3310 newline-tab as the most commonly supported syntax. Use
3311 newline-tab rather than semicolon in multi-insn examples.
3313 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3315 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3317 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3318 David Edelsohn <edelsohn@gnu.org>
3320 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3321 code for AIX, even without flag_pic.
3323 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3325 * c-typeck.c (common_type): push and pop binding level around
3326 calling common_type on function parameters.
3328 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3330 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3332 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3334 * config/mips/mips.c (override_options): Fix typo in last change.
3335 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3336 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3338 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3340 * invoke.texi (-fdump-class-layout): Document.
3341 (-fdump-translation-unit): Use `=' as filename separator.
3343 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3345 * Makefile.in (s-mlib): Don't build multilibs if
3346 --disable-multilib.
3347 (DRIVER_DEFINES): Adjust accordingly.
3348 (gcc.o): Likewise.
3349 (protoize.o): Likewise.
3350 (unprotoize.o): Likewise.
3351 * configure.in: Recognize --enable-multilib.
3353 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3355 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3357 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3358 * configure.in: Remove --enable-libstdcxx_v3 support.
3359 * configure: Regenerated.
3361 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3363 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3364 Call abort instead of fatal.
3365 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3366 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3367 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3368 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3369 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3370 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3372 * diagnostic.h (set_internal_error_function): Renamed.
3373 * toplev.h (internal_error): Renamed from fatal.
3374 (pfatal_with_name): Deleted.
3375 (fatal_io_error): Now has printf-style arguments.
3376 * diagnostic.c (pfatal_with_name): Deleted.
3377 (fatal_io_error): Rework to have args in printf-style.
3378 (set_internal_error_function): Renamed from set_fatal_function.
3379 (internal_error): Renamed from fatal.
3380 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3381 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3382 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3383 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3384 * flow.c (verify_flow_info): Likewise.
3385 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3386 * config/mips/mips.c (save_restore_insns): Likewise.
3388 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3389 * flow.c (verify_flow_info): Likewise.
3390 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3391 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3392 (avr_normalize_condition): Likewise.
3393 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3394 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3395 (limit_reload_class, double_reg_to_memory): Likewise.
3396 (print_operand_address, emit_1600_code_shift): Likewise.
3397 (gen_tst_reg, gen_compare_reg): Likewise.
3398 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3399 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3400 Deleted.
3401 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3403 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3404 * objc/objc-act.c (build_ivar_chain): Likewise.
3405 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3406 pfatal_with_name.
3407 * graph.c (clean_graph_dump_file): Likewise.
3408 * profile.c (init_branch_prob): Likewise.
3409 * objc/objc-act.c (objc_init): Likewise.
3411 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3412 * config/avr/avr.c (avr_override_options): Likewise.
3413 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3414 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3415 * config/h8300/h8300.c (h8300_init_once): Likewise.
3416 * config/mips/mips.c (override_options): Likewise.
3417 * config/i386/i386.c (override_options): Likewise, rework.
3418 * config/m68k/m68k.c (override_options): Likewise.
3420 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3421 instead of fatal.
3422 * config/mips/mips.c (print_operand): Likewise.
3423 * hash.c (hash_allocate): Don't check for failure returns from
3424 obstack functions that can't fail.
3425 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3426 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3427 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3428 (get_object_reference): Likewise.
3430 2001-02-04 Nick Clifton <nickc@redhat.com>
3432 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3433 StrongARM1110, 10TDMI, and 1020T.
3435 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3437 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3439 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3441 * config/sh/sh.md (movdf load split): Pass register number to
3442 FP_OR_XD_REGISTER_P.
3444 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3446 * cppinit.c (BC): New macro.
3447 (builtin_array): Add __GXX_WEAK__.
3448 * cpplib.h (builtin_type): Add BT_WEAK.
3449 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3450 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3451 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3453 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3455 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3457 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3459 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3460 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3462 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3464 * cpphash.h: Rename ALIGN _ALIGN.
3465 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3467 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3469 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3470 compilation environment.
3471 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3472 control over location of cygwin includes and libs.
3474 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3476 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3478 2001-02-02 lars brinkhoff <lars@nocrew.org>
3480 * md.texi (Standard Names): remove reference to spur.md.
3482 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3484 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3485 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3486 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3487 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3488 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3490 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3492 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3493 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3494 number before reload.
3495 (c4x_adjust_cost): Return zero before reload.
3496 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3497 split before reload.
3499 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3501 * c4x.c (c4x_hard_regno_rename_ok): New.
3502 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3503 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3505 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3507 * diagnostic.h: Add missing "extern" in all declarations.
3509 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3511 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3512 as for gcc_gxx_include_dir.
3514 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3516 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3518 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3520 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3521 label before alignment to be used as the braf base address.
3522 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3523 branches.
3524 (casesi_jump_2): Require at least TARGET_SH2.
3526 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3527 truncation to 32-bit doubles on -m3e and -m4-single-only.
3529 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3531 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3532 the default when building a shared object.
3533 (init_spec): Use it.
3534 * testsuite/lib/g++.exp: Include the directory where libgcc
3535 is located to the LD_LIBRARY_PATH list.
3536 * invoke.texi (-shared-libgcc): Document the cases in which
3537 GCC defaults to using the shared libgcc.
3539 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3541 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3542 unsigned is wide enough.
3543 (BITS_PER_SI): New.
3544 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3545 (si_to_float): Likewise.
3546 (float_to_si, float_to_usi): Use BITS_PER_SI.
3548 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3550 * dwarf2out.c: Added explanation of abbreviations.
3551 (def_cfa_1): Added comments listing DWARF2 instructions.
3552 (cfa_temp_reg): Removed in favor of cfa_temp.
3553 (cfa_temp_value): Removed in favor of cfa_temp.
3554 (cfa_temp): New global variable.
3555 (dwarf2out_frame_debug_expr): Added extensive introductory
3556 comments explaining the function's transformations. Revised to
3557 use cfa_temp. Added some rtx checking. Generalize IOR case.
3558 (dwarf2out_frame_debug): Revised to use cfa_temp.
3559 (output_aranges): Cast as "unsigned" to avoid warning.
3560 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3561 explain which instructions must be marked.
3563 2001-02-01 Richard Henderson <rth@redhat.com>
3565 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3566 new instruction.
3568 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3570 * config/sh/crt1.asm (main_k): Modified so that start calls
3571 ___setup_argv_and_call_main.
3573 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3575 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3576 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3577 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3578 * cppmacro.c (builtin_macro): Set builtin flags here.
3579 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3580 (replace_args): Clarify intent.
3581 (cpp_get_token): Macro expansion tokens get the saved flags.
3582 Update.
3583 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3584 check.
3586 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3588 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3589 2001-Jan-29.
3591 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3593 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3594 returns Pmode pseudo, but we need ptr_mode.
3595 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3596 Remove bogus conversions; use HOST_WIDE_INT for size.
3597 Don't use TARGET if wrong mode.
3599 * config/i386/i386.c (ix86_compute_frame_size): Allow
3600 stack_alignment_needed to be non-default even if size is zero.
3602 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3604 * (hppa_init_pic_save): Emit the pic offset table
3605 reg save after last_parm_insn.
3606 * pa.c (hppa_init_pic_save): New function.
3607 * pa.h (hppa_init_pic_save): Declare.
3608 * pa.md (call, call_value, sibcall, sibcall_value): Use
3609 the above instead of duplicated code.
3611 * pa.c (hppa_encode_label): Correct size of alloca buffer
3612 so we don't overrun it. Correct leading `*' case.
3613 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3614 need to handle `*@'.
3615 (FUNCTION_NAME_P): Likewise.
3617 2001-01-31 Richard Henderson <rth@redhat.com>
3619 * config.gcc (alpha-osf5): Use float-i128.h.
3621 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3622 * config/float-i32.h: Likewise.
3623 * config/float-i64.h: Likewise.
3624 * config/float-sh.h: Likewise.
3625 * config/float-sparc.h: Likewise.
3627 2001-01-31 DJ Delorie <dj@redhat.com>
3629 * expmed.c (extract_bit_field): allow non-integral modes if we
3630 want to extract a whole register from itself.
3632 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3634 * c-typeck.c (set_init_index): If first is equal to last, assume as
3635 if it was not a range at all.
3637 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3639 * config/fp-bit.c: Include tm.h.
3640 (float_to_si): Don't assume SImode is 32-bits wide.
3641 (float_to_usi): Likewise.
3643 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3645 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3646 incomplete type.
3647 (typename): Call pending_xref_error after parsing typed_typespecs.
3648 * c-decl.c (lookup_tag): Give error immediately rather than
3649 leaving it pending if the tag of the wrong type is in the same
3650 binding level.
3651 (xref_tag): Don't pedwarn for forward declarations of enum types
3652 here.
3653 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3654 and enum tags.
3656 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3658 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3660 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3662 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3663 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3665 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3667 * cpphash.h (struct cpp_reader): New saved_flags.
3668 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3669 to avoid a paste after a pasted token.
3671 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3673 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3674 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3675 Wtype_MIN instead of LONG_MIN.
3677 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3679 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3680 README file.
3681 * fixinc/fixincl.x: Regenerated.
3682 * fixinc/inclhack.def (irix_limits_const): New definition to
3683 convert "const" to "__const" in limits.h.
3685 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3687 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3689 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3691 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3692 when register dies in the insn.
3694 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3696 * diagnostic.c (fatal): Fix word wrap.
3698 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3700 * combine.c (try_combine): Fix SUBREG setting for
3701 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3703 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3705 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3706 comparison codes.
3708 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3710 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3711 is not NULL.
3712 * toplev.c (decode_W_option): Update warn_larger_than
3713 unconditionally for each processed switch.
3715 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3717 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3718 to NULL_RTX.
3719 (hppa_expand_prologue): Delete code to save pic offset table register
3720 in the function prologue.
3721 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3722 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3723 table register at the beginning of the function after the prologue.
3725 2001-01-29 lars brinkhoff <lars@nocrew.org>
3727 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3729 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3730 Jeff Law <law@redhat.com>
3732 * pa.md (return): Revise comment for trivial return.
3733 (return_internal): Non-trivial return pattern for non-PIC code.
3734 (return_internal_pic): Non-trivial return pattern for PIC code.
3735 It uses the PIC register to ensure it is restored after
3736 function calls.
3737 (epilogue): Generate appropriate return for PIC and non-PIC code.
3739 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3741 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3743 2001-01-29 DJ Delorie <dj@redhat.com>
3745 * combine.c (if_then_else_cond): Pass the correct mode to
3746 operand_subword() for constants.
3748 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3750 * config/i386/cygwin.h: Add w32api to include search. Search different
3751 directories in a cross-build environment.
3753 2001-11-29 Tim Josling <tej@melbpc.org.au>
3755 * tree.h (TYPE_STUB_DECL): Add documentation.
3757 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3759 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3760 (sdbout_field_types): Likwise. Fix use of host_integerp.
3762 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3764 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3765 cygwin.h.
3767 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3769 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3770 to use flag_gnu_linker.
3772 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3774 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3775 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3777 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3779 * tree.c, tree.h (build_parse_node): Remove; was identical to
3780 build_nt.
3781 * c-lang.c (start_cdtor), objc/objc-act.c
3782 (build_module_descriptor): Use build_nt instead of
3783 build_parse_node.
3785 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3787 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3788 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3789 not have any upper bits set.
3791 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3793 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3795 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3797 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3799 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3801 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3802 (integer_minus_one_node): Define.
3804 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3806 * Makefile.in (bootstrap2-lean): Fix typo.
3808 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3810 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3811 : Don't set fe_value.
3812 * cpplib.h (AVOID_LPASTE): New flag.
3813 (struct cpp_hashnode): Remove fe_value.
3814 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3815 * cppmacro.c (builtin_macro): Don't set flags here.
3816 (replace_args): Set AVOID_LPASTE flag on first token of an
3817 argument, and the token following it.
3818 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3819 macro expansion, and on the token following it. Do it for
3820 builtins too.
3821 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3823 2001-01-27 Richard Henderson <rth@redhat.com>
3825 * config/alpha/t-ieee: Remove multilibbing.
3826 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3828 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3830 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3832 * Makefile.in: Remove all dependencies on defaults.h.
3833 * builtins.c: Don't include defaults.h.
3834 * c-common.c: Likewise.
3835 * c-decl.c: Likewise.
3836 * c-pragma.c: Likewise.
3837 * c-typeck.c: Likewise.
3838 * combine.c: Likewise.
3839 * i386.c: Likewise.
3840 * frame-ia64.c: Likewise.
3841 * cppexp.c: Likewise.
3842 * crtstuff.c: Likewise.
3843 * dbxout.c: Likewise.
3844 * dwarf2out.c: Likewise.
3845 * dwarfout.c: Likewise.
3846 * emit-rtl.c: Likewise.
3847 * except.c: Likewise.
3848 * expr.c: Likewise.
3849 * final.c: Likewise.
3850 * frame-dwarf2.c: Likewise.
3851 * libgcc2.c: Likewise.
3852 * optabs.c: Likewise.
3853 * profile.c: Likewise.
3854 * sdbout.c: Likewise.
3855 * toplev.c: Likewise.
3856 * tradcif.y: Likewise.
3857 * tree.c: Likewise.
3858 * varasm.c: Likewise.
3860 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3862 * builtins.c (expand_builtin_fputs): Use size_one_node when
3863 transforming into fwrite.
3865 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3867 * extend.texi (Attribute Syntax): New section.
3869 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3871 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3872 they didn't need fixing.
3874 2001-01-27 Janis Johnson <janis@us.ibm.com>
3876 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3877 if appropriate.
3878 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3879 to remove macro definitions that are duplicated from elfos.h.
3881 2001-01-27 Richard Henderson <rth@redhat.com>
3883 * config/i386/sco5gas.h: Move ...
3884 * config/usegas.h: ... here.
3885 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3887 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3889 * c-typeck.c (struct constructor_stack): Add range_stack member.
3890 (really_start_incremental_init): Clear it.
3891 (push_init_level): Save constructor_range_stack and clear it if
3892 pushing explicit braces.
3893 (pop_init_level): abort if constructor_range_stack is non-zero at
3894 explicit closing brace. Restore saved constructor_range_stack if
3895 not implicit.
3897 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3899 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3900 into register was forced into memory.
3902 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3904 * Makefile.in: Remove uses of + before $(MAKE).
3906 2001-01-26 Richard Henderson <rth@redhat.com>
3908 * stmt.c (cost_table): Remove.
3909 (COST_TABLE, cost_table_initialized): New.
3910 (estimate_case_costs): Use the later instead of the former.
3911 (balance_case_nodes): Likewise.
3913 2001-01-26 Richard Henderson <rth@redhat.com>
3915 * alias.c (objects_must_conflict_p): Read-only slots may not
3916 conflict despite having the same type.
3918 2001-01-27 Michael Hayes <mhayes@redhat.com>
3920 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3921 int variable.
3922 (check_ext_dependant_givs): Initialise u_start_val and
3923 u_end_val.
3924 (load_mems): Make last_max_reg unsigned.
3925 (try_swap_copy_prop): Use INSN_P and initialise set.
3927 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3929 * README.AVR : Removed.
3931 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3933 * pa-64.h (text_section): Remove declaration.
3935 * pa.md (return_internal): Remove mode on PIC register use.
3937 2001-01-25 lars brinkhoff <lars@nocrew.org>
3939 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3940 ASM_CLOSE_PAREN): fix typos.
3942 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3944 * acconfig.h: Define `const' to the empty string if neither
3945 __STDC__ nor __cplusplus is defined.
3946 * config.in: Regenerated.
3948 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3950 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3951 * collect2.c (main): Delete importf. Add ".obj" file extension.
3952 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3953 (aix_std_libs): Add additional AIX libraries to skip.
3954 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3955 * config/rs6000/aix51.h: New file.
3957 2001-01-25 Michael Hayes <mhayes@redhat.com>
3959 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3960 (loop_insn_emit_before): No longer static.
3961 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3962 (loop_givs_rescan, load_mems): Likewise.
3963 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3964 (maybe_eliminate_biv_1):
3965 (move_movables): Replace emit_call_insn_before with
3966 loop_call_insn_hoist.
3967 * loop.h (loop_insn_emit_before): Add.
3968 * unroll.c (copy_loop_body): Replace emit_insn_before with
3969 loop_insn_emit_before.
3971 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3973 * diagnostic.c (fatal): Request preprocessed source.
3975 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3977 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3978 olddecl has argument types and newdecl has none, use the argument
3979 types from olddecl.
3981 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3983 * dwarf2out.c (prefix_of): New function. Determine longest common
3984 prefix of the two arguments. The units are whole path components.
3985 (output_file_names): When adding a new directory find the one entry
3986 with the longest common prefix already in the list. Artificially
3987 generate entry if there is none for this prefix.
3988 Fix test to check whether the zeroth directory entry is used.
3990 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3992 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3993 Changed all callers. Take it into account when deciding if a
3994 previously loaded value matches.
3996 2001-01-24 Richard Henderson <rth@redhat.com>
3998 * reload.c (find_reloads_subreg_address): Fail the substitution
3999 if the resulting address is insufficiently aligned.
4001 2001-01-24 DJ Delorie <dj@redhat.com>
4003 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4004 check the original operand's mode also.
4005 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4007 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4009 * c-parse.in (cast_expr): Move compound literals from here ...
4010 (primary): ... to here. Use standard terminology "compound
4011 literal" instead of "constructor expression".
4013 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4015 * gcc.1, cpp.1: Regenerate.
4017 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4019 * calls.c (emit_library_call_value_1): Memory slot for
4020 pass-by-reference argument should have the mode of the argument,
4021 not of the pointer to it.
4023 2001-01-24 Tom Tromey <tromey@redhat.com>
4025 * gcc.texi (G++ and GCC): Mention gcj manual.
4026 (Standards): Link to section of manual mentioning gcj/Java
4027 compatibility.
4029 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4031 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4032 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4033 * tradcpp.c (main): Add -imacros or -include'd dependencies
4034 for -M*.
4035 * cpp.texi (-M, -MM): Document -M -include behaviour.
4037 2001-01-24 Roger Collins <roger@ProProject.com>
4039 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4041 2001-01-24 Will Cohen <wcohen@redhat.com>
4043 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4044 whether registers are 32 bits or 64 bits in size.
4046 2001-01-24 Ben Elliston <bje@redhat.com>
4048 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4050 2001-01-24 Richard Henderson <rth@redhat.com>
4052 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4053 (builtin_longjmp): Use it instead of emit_indirect_jump.
4055 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4057 * bb-reorder.c (make_reorder_chain_1): Handle case where
4058 jump edge goes to the same block as the fallthru edge.
4060 2001-01-23 Jim Wilson <wilson@redhat.com>
4062 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4063 * frame.h (__ia64_personality_v1): Add prototype.
4064 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4065 prototype form. Add void * cast to first argument to personality
4066 call.
4067 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4068 (asctoe113): Likewise.
4069 * config/ia64/frame-ia64.c: Include eh-common.h.
4070 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4071 prototypes.
4072 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4073 to dump parameter.
4074 (itanium_split_issue): Add prototype.
4075 (gen_nop_type): Ifdef out.
4076 (find_best_packet): Initialize best_packet.
4077 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4078 result.
4079 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4080 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4081 (flushrs): Add explicit stop bit at end.
4082 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4083 trailing \ to >.
4085 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4087 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4088 of EH symbols.
4089 * libgcc2.c (__terminate_func): Make variable static.
4090 (__terminate_set_func): New function to set __terminate_func.
4091 * libgcc2.h (__terminate_func_ptr): New typedef.
4092 (__terminate_set_func): New function.
4094 2001-01-23 Richard Henderson <rth@redhat.com>
4096 * flow.c (init_propagate_block_info): Don't consider unchanging
4097 memories for dead frame store elimination.
4099 2001-01-23 Richard Henderson <rth@redhat.com>
4101 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4102 * defaults.h: ... here.
4104 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4106 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4108 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4110 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4112 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4114 * rs6000.h (rs6000_return_addr): Move prototype from here...
4115 * rs6000-protos.h (rs6000_return_addr): ...to here.
4116 (rs6000_init_expanders): Delete prototype.
4118 2001-01-23 Nick Clifton <nickc@redhat.com>
4120 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4121 (Spec Files): Document %B and %j and %. and %v3 and %M and
4122 %{S*&T} spec switches.
4124 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4126 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4128 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4129 Neil Booth <neil@daikokuya.demon.co.uk>
4131 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4132 Have -Werror make pedantic warnings errors, like the
4133 rest of GCC.
4135 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4137 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4139 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4141 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4142 * integrate.c (expand_inline_function): Initialize them.
4143 (subst_constants): If changing COMPARE so that both its arguments
4144 will be VOIDmode and the comparison mode will be lost, note
4145 compare_mode. Use the recorded compare_mode to optimize
4146 IF_THEN_ELSE.
4148 2001-01-23 Jason Merrill <jason@redhat.com>
4150 * dwarf2out.c (new_die): Use xcalloc.
4151 (output_die): Abort rather than emit a local reference to offset 0.
4153 2001-01-17 Andrew Haley <aph@redhat.com>
4155 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4156 of a saved register; return NULL instead.
4157 (copy_reg): Take a pointer to a source register rather than a
4158 frame_state.
4159 (next_stack_level): Remember the address in the stack frame of all
4160 saved registers.
4161 Use the saved register pointer array as the source of the CFA.
4162 (throw_helper): Rewrite. Unwind once rather than twice and keep
4163 track of saved registers as we go.
4165 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4167 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4168 * c4x.c (c4x_legitimize_reload_address): Remove.
4169 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4170 reload address for ldp(k) insn.
4172 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4174 * pa.md (return_internal): Add a USE of the PIC register to ensure
4175 it is restored after each call.
4176 (return expander): Corresponding changes.
4178 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4180 * rs6000.h (INIT_EXPANDERS): Delete.
4181 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4182 * rs6000.c (rs6000_override_options): Call *_machine_status from
4183 here...
4184 (rs6000_init_expanders): ...instead of here. Delete.
4185 (rs6000_mark_machine_status): New function.
4186 (rs6000_init_machine_status): Use xcalloc.
4187 (rs6000_return_addr): Generate RTX for the return address.
4188 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4189 (rs6000_stack_info): Use it.
4191 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4193 * gthr-win32.h: Include errno.h to get a declaration for
4194 EINVAL and _mingw.h if the target is mingw32.
4196 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4198 * cpp.texi: Correct typos.
4200 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4202 * explow.c (probe_stack_range): Ensure value passed to
4203 stack_check_libfunc is ptr_mode, not Pmode.
4205 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4207 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4208 case, don't use operand_subword to calculate a SUBREG that is
4209 wider than a word.
4211 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4213 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4215 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4216 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4217 valid. If not replace it by equivalent insns.
4219 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4221 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4222 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4223 (c4x_U_constraint, symbolic_address_operand): Likewise.
4224 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4225 memory.
4226 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4227 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4228 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4229 anulling slot because of silicon bug.
4230 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4232 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4234 * cppexp.c (parse_charconst): Change `mask' type to agree
4235 with parse_escape.
4237 2001-01-21 Richard Henderson <rth@redhat.com>
4239 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4240 pic_label_name in a linkonce section.
4242 2001-01-17 Philipp Thomas <pthomas@suse.de>
4244 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4245 found in libintl.
4246 * configure: Regenerate.
4248 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4250 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4251 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4253 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4255 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4256 If REVERSE nonzero then condition code in X must be reversed.
4257 (encode_section_info): Optimise if/else.
4258 (avr_function_value): Fix formatting.
4260 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4261 (difficult_branch): Likewise.
4262 (rvbranch): Likewise.
4263 (difficult_rvbranch): Likewise.
4265 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4267 * config/avr/libgcc.S: Fix comment.
4269 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4271 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4273 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4275 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4277 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4279 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4280 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4281 * configure, config.in: Regenerate.
4282 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4283 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4284 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4285 (doprint.o): New rule.
4287 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4289 * c-typeck.c (digest_init): Handle boolean types as scalars.
4291 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4293 * stmt.c (expand_return): Don't return anything if size is zero.
4294 Delete redundant assignment to BYTES.
4295 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4297 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4299 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4300 the same as the default library function names.
4301 * config/avr/avr.md: Document special characters after '%'.
4302 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4303 knowing which of the call-used registers are really clobbered.
4304 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4305 New. Both quotient and remainder from one libgcc.S call.
4306 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4307 clobber as few registers as possible.
4308 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4310 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4312 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4313 context of the top of the stack.
4315 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4317 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4318 (fixup_var_refs_insns): ...here.
4320 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4322 * function.c (fixup_var_refs_insns): Break up into
4323 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4324 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4325 [loop over hash table entries].
4326 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4327 fixup_var_refs_insns_with_hash, to match above changes.
4329 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4331 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4332 (libgcc.a): Likewise.
4333 (stmp-multilib): Likewise.
4334 (STAGE2_FLAGS_TO_PASS): Likewise.
4336 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4338 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4339 temporary if no_new_pseudos.
4341 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4343 * cppinternals.texi: Update.
4345 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4347 * arm.c (arm_init_builtins): Re-enable builtins.
4349 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4351 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4352 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4353 element to be null, and always expect an EXPR_LIST.
4354 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4355 * sched-deps.c (sched_analyze_1): Likewise.
4356 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4358 * regclass.c (max_set_parallel): New variable.
4359 (reg_scan): Take it into account in computation of max_parallel.
4360 (reg_scan_mark_refs, case SET): Compute it.
4362 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4363 args are REG.
4364 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4365 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4367 2001-01-19 Jason Merrill <jason@redhat.com>
4369 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4370 for the abstract instance of an inline function.
4372 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4373 J"orn Rennecke <amylaar@redhat.com>
4375 * reload1.c (move2add_note_store): Treat all registers directly or
4376 indirectly derived from a base register as members of the same set
4377 of values.
4378 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4379 of base register into account.
4381 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4383 * alias.c (find_base_value): Recognize TRUNCATE.
4384 (record_set): In PLUS case, invalidate if other summand is also a
4385 base value.
4387 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4389 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4390 entry to be EXPR_LIST.
4391 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4392 be an EXPR_LIST (but not null, which other code doesn't allow).
4393 (note_stores): Properly handle PARALLEL in SET.
4394 Recursively call for top-level PARALLEL.
4395 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4396 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4398 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4400 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4402 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4403 not pfile->skipping (== 0).
4405 2001-01-17 Nick Clifton <nickc@redhat.com>
4407 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4408 machine_status.
4410 2001-01-17 Jim Wilson <wilson@redhat.com>
4412 * invoke.texi (IA-64 options): Improve.
4414 2001-01-17 Tom Tromey <tromey@redhat.com>
4416 * invoke.texi (Optimize Options): Use `{}' to around @samp
4417 argument.
4419 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4421 * invoke.texi (-fno-guess-branch-probability): New option.
4423 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4425 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4426 case of making new double-word constant.
4427 Revert last change: instead just test i3_subst_into_i2.
4429 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4431 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4432 Use q constraints instead of r.
4434 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4436 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4437 (machine_function): Define.
4438 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4439 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4440 pa_free_machine_status): New functions.
4441 (override_options): Set {init,mark,free}_machine_status to above.
4442 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4443 PIC_OFFSET_TABLE_REGNUM_SAVED.
4444 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4445 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4446 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4447 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4448 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4450 2001-01-15 DJ Delorie <dj@redhat.com>
4452 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4453 (cpp.1): Ditto.
4454 (gcc.1): Ditto.
4456 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4458 * flow.c (propagate_on_insn): Make trying to delete a prologue
4459 or epilogue insn an ICE, not a warning. Allow doing this if
4460 the current function returns with stack pointer depressed.
4462 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4463 I3 having more than one SET.
4465 2001-01-16 Jim Wilson <wilson@redhat.com>
4467 * invoke.texi: Document IA-64 options.
4469 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4470 (fixup_errata): Delete TARGET_A_STEP use.
4471 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4472 (TARGET_SWITCHES): Delete -ma-step option.
4473 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4474 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4475 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4476 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4477 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4478 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4479 Delete.
4480 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4481 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4482 cmovsi_internal): Delete ! TARGET_A_STEP check.
4484 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4486 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4487 possibility to report bugs via postal mail. Change a URL and
4488 merge in a nearly duplicate statement...
4489 (Bug Reporting): ...from here.
4490 (Service): Refer to the Bug Reporting section instead of
4491 duplicating an URL.
4492 (Contributing): Remove trivial explanations concerning snapshots.
4494 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4496 * cppmain.c (general_init): Don't use ANSI prototype.
4498 2001-01-16 Tom Tromey <tromey@redhat.com>
4500 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4502 2001-01-16 Richard Henderson <rth@redhat.com>
4504 * config/i386/i386.h: Fix comment typo.
4505 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4506 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4508 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4510 * gcc.c: Revert previous -fsyntax-only-related change; move
4511 to cp/g++spec.c.
4513 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4515 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4516 inmode after checking GET_CODE (op).
4518 2001-01-16 Richard Henderson <rth@redhat.com>
4520 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4521 (MAX_MEM_SET_LIST_LEN): New.
4522 (propagate_one_insn): Update mem_set_list_len.
4523 (invalidate_mems_from_autoinc): Likewise.
4524 (invalidate_mems_from_set): Likewise.
4525 (mark_used_regs): Likewise.
4526 (init_propagate_block_info): Likewise. Stop collecting memories
4527 when we reach MAX_MEM_SET_LIST_LEN.
4528 (mark_set_1): Likewise.
4530 2001-01-16 Richard Henderson <rth@redhat.com>
4532 * unroll.c (precondition_loop_p): Fail if no iteration
4533 variable found.
4535 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4537 * gcc.c: When -fsyntax-only is given, do not complain about
4538 unused libraries.
4540 2001-01-15 Richard Henderson <rth@redhat.com>
4542 * config/i386/i386.c (asm_output_function_prefix): Remove.
4543 (ix86_asm_file_end): New.
4544 (load_pic_register): Generate pic_label_name into a
4545 staticly allocated buffer.
4546 * config/i386/i386-protos.h: Update.
4547 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4548 (ASM_FILE_END): New.
4549 * config/i386/i386afe.h: New file.
4550 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4551 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4552 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4553 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4554 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4555 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4556 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4558 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4560 * Makefile.in (install-man): Remove explicit dependency on
4561 $(srcdir)/gcc.1.
4563 * configure.in, configure: Revert previous patch requiring perl
4564 5.6.0.
4566 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4568 * toplev.c (flag_guess_branch_prob): New.
4569 (f_options): Add guess-branch-probability option.
4570 (rest_of_decl_compilation): Only estimate branch probability if
4571 flag set.
4572 (main): set flag_guess_branch_prob.
4574 * flags.h (flag_guess_branch_prob): New.
4576 2001-01-15 DJ Delorie <dj@redhat.com>
4578 * gcc.texi (Makefile): Add documentation for Makefile targets.
4580 2001-01-15 Philip Blundell <philb@gnu.org>
4582 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4583 (is_pic): Delete.
4584 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4585 (is_pic): Delete declaration.
4586 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4587 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4588 * config/arm/arm.md (builtin_setjmp_receiver): New.
4590 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4592 * arm.c (use_return_insn): Don't try to determine the function type
4593 until after reload has completed.
4594 (arm_output_epilogue): Don't adjust the sp value recovered from the
4595 stack.
4596 (emit_multi_reg_push): Don't record dwarf information for the pc.
4597 * arm.md (eh_epilogue): The function type may have changed, so it
4598 needs to be recalculated.
4599 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4600 unwind tables on arm/netbsd.
4602 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4604 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4605 (negated_cbranchsi4): Likewise.
4607 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4609 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4610 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4611 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4612 pass -mapcs-* options to assembler.
4613 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4614 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4615 (ASM_SPEC): Call subtarget_extra_asm_spec.
4617 2001-01-15 Andreas Jaeger <aj@suse.de>
4619 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4620 warnings.
4621 (ix86_expand_builtin): Likewise.
4623 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4624 warning about comparison between signed and unsigned.
4626 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4628 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4630 2001-01-14 Ralf Baechle <ralf@gnu.org>
4632 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4633 SUBTARGET_CPP_SPEC apropriatly.
4635 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4637 * varasm.c (make_decl_rtl): Fix typo in last change.
4639 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4641 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4642 linker supports the init_priority C++ attribute.
4643 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4644 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4645 linker does not support init_priority C++ attribute.
4647 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4649 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4651 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4653 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4654 * cp/lex.c (finish_parse): Similarly.
4655 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4656 Return the number of errors encountered.
4657 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4658 * cppmain.c (main): Don't call cpp_destroy.
4660 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4662 * configure.in: Require at least perl 5.6.0 to regenerate
4663 manpages.
4664 * configure: Regenerate.
4666 2001-01-14 Richard Henderson <rth@redhat.com>
4668 * genrecog.c (DT_veclen_ge): New.
4669 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4670 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4671 (nodes_identical_1): Handle DT_veclen_ge.
4672 (write_cond, debug_decision_2): Likewise.
4674 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4676 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4677 with ...
4678 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4680 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4682 * cppmain.c (do_preprocessing): New function; most of the old
4683 main.
4684 (main): Call it to do most of the work.
4685 (cb): Move from global scope to set_callbacks ().
4686 (setup_callbacks): Get the callback pointer.
4687 (general_init, printer_init): Clean up code and comments.
4689 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4691 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4692 compiling PIC.
4694 2001-01-14 Kazu Hirata <kazu@hxi.com>
4696 * config/h8300/h8300.c (get_shift_alg): Update comments.
4698 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4700 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4701 (alloc_page, ggc_alloc): Add casts to remove warnings.
4703 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4705 * combine.c (simplify_comparison): Don't change `code' when
4706 can't reverse comparison.
4708 2001-01-14 Richard Henderson <rth@redhat.com>
4710 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4711 update all call sites. Return true for all non-label constants.
4713 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4715 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4716 parameters.
4717 (ix86_expand_branch): Update.
4718 (ix86_expand_setcc): Update to handle multiple test conditions.
4719 (expand_int_movcc): Likewise.
4720 (expand_fp_movcc): Likewise.
4721 * i386-protos.h (ix86_expand_compare): New.
4722 * i386.md (andqi_?_slp, orqi_?_slp): New.
4723 (conditional trap expander): Update call to ix86_expand_compare.
4725 2001-01-14 Richard Henderson <rth@redhat.com>
4727 * config/vax/vax.md: Use nonimmediate_operand instead of
4728 general_operand in destinations.
4730 * config/vax/vax.md (indirect_jump): Use register_operand.
4732 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4733 * config/vax/vax.md (call_pop): Turn into an expander.
4734 (call_value_pop): Likewise.
4735 (call, call_value): New.
4737 2001-01-14 Andreas Jaeger <aj@suse.de>
4739 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4740 variables.
4741 (ix86_fp_compare_mode): Add unused attribute.
4742 (ix86_expand_fp_movcc): Remove unused variable.
4743 (ix86_expand_builtin): Make fcode unsigned.
4745 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4746 (expand_expr): Add cast to avoid signed warning.
4747 (store_field): Likewise.
4748 (store_constructor_field): Likewise.
4749 (store_constructor): Likewise.
4750 (store_expr): Likewise.
4751 (clear_storage): Likewise.
4752 (emit_group_store): Likewise.
4753 (emit_group_load): Likewise.
4755 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4757 * c-common.c: Move format checking code to ...
4758 * c-format.c: ... here. New file. Reorder some functions and
4759 declarations.
4760 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4761 New functions.
4762 * c-common.h (decl_handle_format_attribute,
4763 decl_handle_format_arg_attribute): Declare.
4764 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4765 (c-common.o): Adjust dependencies.
4766 (c-format.o): New list of dependencies.
4768 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4770 * unroll.c (loop_iterations): If we cannot prove iteration variable
4771 is set once in each iteration, punt.
4773 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4775 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4776 (*strlenhi): Remove clobber (which was buggy) of output address.
4778 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4780 * Makefile.in (generated-manpages): Add gcc.1
4781 ($(srcdir)/gcc.1): New target.
4782 (maintainer-clean): Delete $(srcdir)/gcc.1.
4783 * gcc.texi: Add macros @gccoptlist and @gol.
4784 * invoke.texi: Include option summary in manpage. Mark up option
4785 summary with @gccoptlist and @gol. Use @r in one place where
4786 appropriate.
4787 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4788 * gcc.1: Generate from invoke.texi.
4790 2001-01-13 Richard Henderson <rth@redhat.com>
4792 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4793 (struct page_entry): Add group member.
4794 (struct page_group): New.
4795 (struct globals): Add page_groups member.
4796 (alloc_anon): Only define for using mmap; remove valloc call.
4797 (page_group_index): New.
4798 (set_page_group_in_use): New.
4799 (clear_page_group_in_use): New.
4800 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4801 (free_page, release_pages): Likewise.
4802 * configure.in (with-gc): Default to ggc-page always.
4804 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4806 * reload1.c (replace_pseudos_in_call_usage): Use
4807 reg_equiv_constant and reg_equiv_address, and don't try
4808 regno_reg_rtx first.
4810 2001-01-13 Richard Henderson <rth@redhat.com>
4812 * ggc-page.c (alloc_page): Round up allocation size to one page.
4813 Set e->order on extra pages.
4815 2001-01-13 Richard Henderson <rth@redhat.com>
4817 * genrecog.c (nodes_identical): Expand commentary.
4818 (write_switch): Watch out for identical nodes.
4820 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4822 * cppfiles.c (_cpp_fake_include): New function.
4823 * cpphash.h (_cpp_fake_include): New.
4824 * cpplib.c (do_line): Call _cpp_fake_include when entering
4825 header files in preprocessed input.
4826 * cppmain.c (cb_pragma_implementation): Remove handling.
4827 (setup_callbacks): Don't register pragmas.
4829 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4831 * extend.texi: Udate for CPP.
4833 2001-01-13 Andreas Jaeger <aj@suse.de>
4835 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4837 * regmove.c: Add prototype for replace_in_call_usage.
4839 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4841 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4842 struct cpp_chunk, struct htab, struct toklist,
4843 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4844 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4845 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4846 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4847 (struct macro_args): Delete.
4848 * cpphash.h: See above.
4850 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4852 * cppmain.c (struct printer): Remove no_line_dirs.
4853 (options, cb): New.
4854 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4855 : Use options rather than CPP_OPTION.
4856 (setup_callbacks): Use cb rather than pfile->cb.
4857 (main): No need to check for a buffer. Use cpp_errors.
4858 (printer_init): Don't set no_line_dirs.
4859 (maybe_print_line): Use options not no_line_dirs.
4860 (cb_file_change): Don't call print_line if -P.
4862 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4864 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4865 callbacks.
4866 * c-parse.in (finish_parse): Use cpp_errors.
4867 (__yylex): Use return value of cpp_pop_buffer.
4868 * cp/lex.c (finish_parse): Use cpp_errors.
4869 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4871 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4873 * README.AVR: URLs corrected.
4875 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4877 * c-decl.c (start_function): Don't warn if old prototype is builtin
4878 that's not in C's namespace.
4879 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4880 (_bb): Add prototype for ctime.
4881 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4883 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4885 * i386.c (ix86_fp_comparison_arithmetics_cost,
4886 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4887 ix86_fp_comparison_cost): New functions.
4888 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4889 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4890 two-branch sequences; make static.
4891 (ix86_use_fcomi_compare): Do decision according to the costs.
4892 (split_fp_branch): New.
4893 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4894 * i386-protos.h (ix86_expand_fp_compare): Remove
4895 (ix86_split_fp_branch): Declare.
4897 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4898 and ix86_comparison_operator.
4900 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4901 to make it cheaper.
4903 * i386.c (put_condition_code): Output properly the unordered/ordered
4904 compares in fp case.
4905 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4907 * tm.texi (REVERSE_CONDITION): Document.
4908 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4909 in -ffast-math mode.
4910 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4912 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4914 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4916 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4917 optimized away.
4919 * config/sh/sh.c (mova_p): Fix test for mova_const.
4921 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4923 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4924 cpp_get_options rather than dereferencing pfile and using
4925 CPP_OPTION.
4926 * scan-decls.c (scan_decls): Use return value of
4927 cpp_pop_buffer rather than CPP_BUFFER.
4929 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4931 * cppinit.c (cpp_handle_option): help_only is now part of the
4932 cpp_options structure.
4933 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4934 cpp_set_callbacks): New functions.
4935 * cpplib.h (cpp_callbacks): Break out as a named structure.
4936 (cpp_options): Move help_only here from cpp_reader.
4937 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4938 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4939 cpp_set_callbacks): New prototypes.
4940 * cppmain.c (main): Update for help_only.
4942 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4944 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4945 Also build and remove and install and uninstall c-tree.info and
4946 cppinternals.info.
4947 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4948 ($(srcdir)/cppinternals.info): New target.
4949 * c-tree.texi: Change file name used when makeinfo used without -o
4950 from ir.info to c-tree.info. Add info directory entry.
4951 * cppinternals.texi: Add info directory entry.
4952 * .cvsignore: Update.
4954 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4956 * c-typeck.c (store_init_value): Don't require constant initializer
4957 elements with -pedantic -std=c99.
4958 (digest_init): Change error about non-constant initializer elements
4959 into pedwarn.
4960 (constructor_range_end): Remove.
4961 (constructor_incremental, designator_depth,
4962 designator_errorneous): New variables.
4963 (struct constructor_stack): Remove range_end, add incremental.
4964 (struct constructor_range_stack, constructor_range_stack): New.
4965 (struct initializer_stack): Add constructor_range_stack.
4966 (finish_init): Set it.
4967 (start_init): Likewise. require_constant_elements for non-static
4968 trees only if not flag_isoc99.
4969 (really_start_incremental_init): Remove constructor_range_end, add
4970 constructor_incremental.
4971 (pop_init_level): Likewise.
4972 (push_init_level): Likewise. If implicit and the subobject had some
4973 value set already, preinitialize the level with it.
4974 Warn about missing braces only if not pushing due to designators.
4975 (set_designator, push_range_stack): New functions.
4976 (set_init_label): Use them.
4977 (set_init_index): Likewise. Remove constructor_range_end.
4978 Error if designator index is outside of array bounds.
4979 (add_pending_init): Compare values of purpose index trees, not the
4980 trees themselves. Allow overwriting of already initialized element.
4981 Issue a warning if it had side-effects.
4982 (set_nonincremental_init, set_nonincremental_init_from_string): New
4983 functions.
4984 (pending_init_member): Rename to...
4985 (find_init_member): ...this function. Call set_nonincremental_init
4986 if necessary. Compare values of purpose index trees, not the trees
4987 themselves. Return the actual value, not just non-zero if something
4988 is found.
4989 (output_init_element): Remove checks for duplicates.
4990 If field has zero size, only check the initializer for correctness.
4991 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4992 if constructor_incremental is zero. Change error about initializers
4993 not computable at load time into pedwarn.
4994 (output_pending_init_elements): Compare bit positions, not
4995 FIELD_DECLs to take into account zero-sized fields.
4996 (process_init_element): Use constructor_range_stack to fill all
4997 ranges in the designator lists from current level up.
4998 * extend.texi: Update documentation for labeled elements.
5000 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5002 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5003 to function usage for arguments passed by reference. Optimize
5004 callee-copied arguments.
5005 * regmove.c (replace_in_call_usage): New function.
5006 (fixup_match_1): Call it.
5007 * cse.c (cse_insn): Canonicalize registers in function usage.
5008 * reload1.c (replace_pseudos_in_call_usage): New function.
5009 (reload): Call it.
5011 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5012 right version.
5014 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5016 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5017 not XEXP (tmp, 0).
5019 2001-01-12 DJ Delorie <dj@redhat.com>
5021 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5022 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5023 targets.
5025 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5027 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5028 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5029 -std options alongside references to -ansi. Update some
5030 documentation for C99.
5031 * cpp.1: Regenerate.
5033 2001-01-12 Andreas Jaeger <aj@suse.de>
5035 * haifa-sched.c (restore_line_notes): Remove argument block B
5036 since it's unused.
5037 * sched-ebb.c (schedule_ebb): Change caller.
5038 * sched-rgn.c (schedule_region): Likewise.
5039 * sched-int.h (restore_line_notes): Adjust prototype.
5041 * loop.h: Remove wrong declaration of doloop_condition_get.
5043 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5045 * extend.texi: Move C++-extension-related node from the C section
5046 into the C++ section.
5048 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5050 * extend.texi: Refer to an array of pointers to functions instead
5051 of one of functions.
5053 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5054 Jan Hubicka <jh@suse.cz>
5056 * combine.c (reversed_comparison): Fix typo in last patch.
5057 Check X for NULL.
5058 (combine_reversed_comparison_code): Make static to follow
5059 prototype declaration.
5061 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5063 * install.texi: Remove misplaced duplicate entry.
5065 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5067 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5069 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5071 * final.c: (leaf_function_p): Fix typo.
5073 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5075 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5076 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5077 which you have.
5078 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5079 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5080 mmap_anon, and valloc is available.
5081 * ggc-page.c: Restructure ifdef logic to match new autoconf
5082 spec. Don't throw away the test page in init_ggc.
5084 * configure, config.in: Regenerate.
5086 2001-01-12 Michael Hayes <mhayes@redhat.com>
5088 * loop.h (total_biv_increment): Constify iv_class pointer.
5089 (struct induction): Replace `mem_mode' with `mem' rtx.
5090 * unroll.c (total_biv_increment): Constify iv_class pointer.
5091 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5092 (find_mem_givs, combine_givs_p): Likewise.
5093 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5095 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5097 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5098 LastError.
5099 (__gthread_getspecific): Ditto.
5101 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5103 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5104 put_condition_code): Convert fp comparison codes to integer
5105 before handling.
5106 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5107 to final.
5109 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5110 * i386-protos.h (no_comparison_operator): Kill.
5112 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5114 * combine.c (REVERSIBLE_CC_MODE): Remove.
5115 (reversible_comparison_p): Remove.
5116 (combine_reversed_comparison_code): New.
5117 (reversed_comparison): New.
5118 (combine_simplify_rtx): Use
5119 combine_reversed_comparison_code/reversed_comparison instead
5120 of reversible_comparison_p.
5121 (simplify_if_then_else): Likewise.
5122 (simplify_set): Likewise.
5123 (simplify_logical): Likewise.
5124 (if_then_else_cond): Likewise.
5125 (known_cond): Likewise.
5126 (simplify_comparison): Likewise.
5128 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5130 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5131 sizeof (int) is larger than sizeof(__word__).
5133 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5135 * cppinit.c (do_includes): Fix typo.
5137 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5139 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5140 in S_REGS does not occur because not all sources are possible
5141 when a S_REGS is a destination (sometimes needs a clobber).
5142 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5143 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5144 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5145 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5146 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5147 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5148 (lshrdi_const1, lshrsi3_const16): Likewise.
5149 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5150 (*movhi_68hc12, *movqi_68hc12): Likewise.
5151 (movstrictqi): Make sure reloading in D_REGS as a destination
5152 does not happen.
5154 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5156 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5158 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5160 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5161 -D, -U and -A, and don't initialize the builtins.
5162 (do_includes): Error if -include or -imacros with -fpreprocessed.
5163 * cppmain.c (cb_define, cb_undef): Unconditionally process
5164 the callback.
5165 * tradcpp.c (main): Fix typo.
5167 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5169 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5170 (read_name_map): Use IS_ABSOLUTE_PATH.
5171 * tradcpp.c (get_filename): Likewise.
5173 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5175 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5176 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5177 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5178 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5179 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5180 (cmphi_z_used): Don't use '@' for the output.
5181 (tstqi_z_used): Likewise.
5182 (cmpqi_z_used): Likewise.
5183 (one_cmplsi2): Likewise.
5185 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5187 * config/sh/sh.c (barrier_align): Recognize branch around far
5188 branch and redundant insn.
5190 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5192 * invoke.texi: Restore documentation of the drivers' switches -MD
5193 and -MMD.
5195 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5197 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5199 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5200 check-objc//%): Support parallel testing of multilibs.
5201 (TESTSUITEDIR): Set to testsuite by default, but override for
5202 parallel testing.
5203 (check-gcc, check-g++, check-g77, check-objc): Enter
5204 $(TESTSUITEDIR).
5206 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5208 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5209 * sched-deps.c (deps_may_trap_p): Likewise.
5210 * basic-block.h: Remove a comment.
5211 * flow.c (PROP_POSTRELOAD): Remove.
5212 (update_life_info): Don't add it to prop_flags.
5213 (mark_set_1): Lose the code that was enabled by it.
5215 2001-01-11 Michael Hayes <mhayes@redhat.com>
5217 * flow.c (flow_call_edges_add): New.
5218 * basic_block.h (flow_call_edges_add): New.
5220 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5222 * reload1.c (move2add_note_store): Update reg_set_luid even if
5223 base reg remains the same.
5225 2001-01-10 Nick Clifton <nickc@redhat.com>
5227 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5228 machine_function structure to zero.
5229 Add prototypes for machine_status functions.
5231 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5233 * c-common.h (CTI_VOID_LIST): Remove.
5234 (void_list_node): Likewise.
5235 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5236 (void_list_node): New macro.
5237 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5238 * config/i386/i386.c (ix86_init_builtins): Likewise.
5239 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5241 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5243 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5244 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5245 if statement.
5246 * tradcpp.c: Include mkdeps.h.
5247 (deps, print_deps_phony_targets, deps_append, output_deps,
5248 init_dependency_output, output_deps): New.
5249 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5250 deps_output): Delete.
5251 (print_deps_missing_files): Rename deps_missing_files.
5252 (inhibit_output): Make global.
5253 (main): Delete inhibit_output, deps_stream, deps_target.
5254 Use mkdeps functionality in the same way as cpplib. Remove
5255 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5256 -M and -MM. Remove old handling of deps via deps_out, and
5257 old reading of environment variables.
5258 (get_filename): Update to use deps_add_dep.
5260 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5262 * output.h (make_function_rtl): Remove prototype.
5263 (make_decl_rtl): Likewise.
5264 * varasm.c (make_function_rtl): Remove.
5265 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5266 than from a third parameter.
5267 * tree.h (make_decl_rtl): Remove last parameter.
5268 * c-decl.c (builtin_function): Remove last argument in call to
5269 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5270 (start_function): Likewise.
5271 * except.c (call_get_eh_context): Likewise.
5272 * expr.c (emit_block_move): Likewise.
5273 (clear_storage): Likewise.
5274 * profile.c (output_func_start_profiler): Likewise.
5275 * toplev.c (rest_of_decl_compilation): Likewise.
5276 * objc/objc-act.c (create_builtin_decl): Likewise.
5277 (synth_module_prologue): Likewise.
5278 (generate_static_reference): Likewise.
5279 (build_selector_reference_decl): Likewise.
5280 (build_class_reference_decl): Likewise.
5281 (build_objc_string_decl): Likewise.
5282 (build_protocol_reference): Likewise.
5284 2001-01-10 Richard Henderson <rth@redhat.com>
5286 * hwint.h: Revert yesterday's change.
5288 2001-01-10 Nick Clifton <nickc@redhat.com>
5290 * function.h (save_machine_status): Delete.
5291 (restore_machine_status): Delete.
5292 Amend comment describing {init|mark|free}_machine_status.
5294 * function.c (save_machine_status): Delete.
5295 (restore_machine_status): Delete.
5296 Amend comment describing {init|mark|free}_machine_status.
5297 (push_function_context_to): Remove invocation of
5298 save_machine_status.
5299 (pop_function_context_from): Remove invocation of
5300 restore_machine_status.
5302 * emit-rtl.c (init_emit_once): Amend comment describing
5303 {init|mark|free}_machine_status.
5305 * tm.texi (Per-Function Data): New node. Describe the
5306 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5307 function pointers.
5309 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5311 * cppinit.c (OPT_g): Remove.
5312 (cpp_handle_option): Update for removed -g3.
5313 (print_help): Update.
5314 * cpplib.h (struct cpp_options): Remove debug_output.
5315 * cppmain.c (setup_callbacks, cb_define): Update.
5316 * gcc.c (cpp_options): Translate -g3 to -dD.
5318 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5320 * config/i960/i960.md: Change modifier to + on the zero_extract
5321 pattern after the (rotate -2 reg) canonicalization pattern.
5323 2001-01-10 Richard Henderson <rth@redhat.com>
5325 * config/alpha/alpha.c (alpha_free_machine_status): New.
5326 (override_options): Install it.
5327 (alpha_mark_machine_status): Verify machine non-null.
5328 * config/i386/i386.c (ix86_free_machine_status): New.
5329 (override_options): Install it.
5330 (ix86_init_machine_status): Use xcalloc.
5331 (ix86_mark_machine_status): Verify machine non-null.
5332 * config/ia64/ia64.c (ia64_free_machine_status): New.
5333 (ia64_override_options): Install it.
5334 (ia64_mark_machine_status): Verify machine non-null.
5336 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5338 * function.c (instantiate_virtual_regs): Instantiate virtual
5339 registers found in CALL_INSN_FUNCTION_USAGE.
5341 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5343 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5344 equivalent to -ansi in disabling -Di386.
5346 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5348 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5349 new functions.
5350 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5352 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5354 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5356 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5358 * invoke.texi: Document that -fcond-mismatch isn't supported for
5359 C++.
5361 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5363 * gcc.texi: Define macro gcctabopt.
5364 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5365 @command, @env and @option in some places where appropriate. Use
5366 @gcctabopt where appropriate. Put URLs and email addresses inside
5367 @w.
5369 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5371 * gcc.c (cpp_options): Set MD file name from output
5372 filename, if specified.
5373 (suffix_subst): New static variable.
5374 (do_spec): Clear it.
5375 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5376 Clear it.
5377 (give_switch): Handle suffix_subst.
5379 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5381 * invoke.texi: Fix another typo.
5383 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5385 * invoke.texi: Fix typo.
5387 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5389 * c-lang.c (lang_hooks): Update.
5390 (lang_decode_option): Remove.
5391 (lang_init_options): Rename c_init_options.
5392 * toplev.c (main): Use lang_hooks for lang_init_options
5393 and lang_decode_option.
5394 * toplev.h (lang_hooks): Add 2 new hooks.
5395 * tree.h: Remove lang_init_options and lang_decode_option.
5396 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5397 * cp/decl2.c: Similarly.
5398 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5399 (lang_hooks): Update.
5400 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5401 for consistency.
5402 (lang_init_options): Rename ffe_init_options.
5403 (lang_hooks): Update.
5404 (lang_decode_option): Remove.
5405 * java/lang.c (lang_init_options): Rename java_init_options.
5406 (lang_decode_option): Rename java_decode_option.
5407 (lang_hooks): Update.
5408 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5409 (lang_decode_option): Rename objc_decode_option.
5410 (lang_hooks): Update.
5412 2001-01-09 Nick Clifton <nickc@redhat.com>
5414 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5415 (d30v_return_addr_rtx): Delete.
5416 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5417 cfun->machine structure.
5418 (struct machine_function): Move to d30v.h
5419 (d30v_save_machine_status): Delete.
5420 (d30v_restore_machine_status): Delete.
5421 (d30v_init_machine_status): New Function.
5422 (d30v_mark_machine_status): New Function.
5423 (d30v_free_machine_status): New Function.
5424 (d30v_init_expanders): Use new functions.
5425 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5426 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5427 d30v_return_addr_rtx.
5429 * config/d30v/d30v.h (struct_machine): Move here.
5430 Add eh_epilogue_sp_ofs field.
5432 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5433 field in cfun->machine structure.
5435 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5437 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5438 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5439 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5441 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5443 * objc/lang-options.h: Remove bogus reference to
5444 Java trademark.
5446 2001-01-09 Kazu Hirata <kazu@hxi.com>
5448 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5449 return the result.
5451 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5453 * reload.c (find_reloads_address): Check for eliminable registers
5454 when substituting a constant expression for a pseudo.
5456 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5458 * c-common.c (enum format_type): Add format_type_error.
5459 (decode_format_type): New function.
5460 (decl_attributes): Use it.
5461 (format_kind_info): Adjust comment.
5463 2001-01-09 David O'Brien <obrien@BSDi.com>
5465 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5466 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5467 files in tm_file.
5468 * config/i386/gnu.h: Don't include required platform specific .h files,
5469 tm.h will do it instead.
5470 * config/i386/i386elf.h: Likewise.
5471 * config/i386/linux.h: Likewise.
5472 * config/i386/moss.h: Likewise.
5473 * config/mips/gnu.h: Likewise.
5475 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5477 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5478 (rs6000-ibm-aix3.[01]*): Likewise.
5479 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5480 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5481 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5482 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5483 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5484 (powerpc-*-eabiaix*): Likewise.
5485 (powerpc-*-eabisim*): Likewise.
5486 (powerpc-*-elf*): Likewise.
5487 (powerpc-*-eabi*): Likewise.
5488 (powerpc-*-rtems*): Likewise.
5489 (powerpc-*-linux*libc1): Likewise.
5490 (powerpc-*-linux*): Likewise.
5491 (powerpc-wrs-vxworks*): Likewise.
5492 (powerpcle-wrs-vxworks*): Likewise.
5493 (powerpcle-*-sysv*): Likewise.
5494 (powerpcle-*-elf*): Likewise.
5495 (powerpcle-*-eabisim*): Likewise.
5496 (powerpcle-*-eabi*): Likewise.
5497 (powerpcle-*-solaris2*): Likewise.
5498 * config/rs6000/aix31.h: Delete includes.
5499 * config/rs6000/aix3newas.h: Likewise.
5500 * config/rs6000/aix41.h: Likewise.
5501 * config/rs6000/aix43.h: Likewise.
5502 * config/rs6000/beos.h: Likewise.
5503 * config/rs6000/rtems.h: Likewise.
5504 * config/rs6000/sysv4.h: Likewise.
5506 2001-01-09 Kazu Hirata <kazu@hxi.com>
5508 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5509 Change an argument mode of machine_mode to shift_mode of
5510 shift_mode. Remove an extra error check.
5511 (emit_a_shift): Adopt to the new calling prototype of
5512 get_shift_alg.
5513 (function_prologue): Fix code for a monitor
5514 function. Support H8/S.
5515 (function_epilogue): Do not output pop for a monitor function.
5517 2001-01-09 Nick Clifton <nickc@redhat.com>
5519 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5520 (setup_incoming_varargs): Use sysv_varargs_p field of the
5521 cfun->machine structure.
5522 (struct machine_function): Move to rs6000.h
5523 (rs6000_save_machine_status): Delete.
5524 (rs6000_restore_machine_status): Delete.
5525 (rs6000_init_machine_status): New Function.
5526 (rs6000_free_machine_status): New Function.
5527 (rs6000_init_expanders): Use new functions.
5529 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5530 export.
5531 (struct machine_function): Move here.
5533 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5534 sysv_varargs_p field of the cfun->machine structure.
5536 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5537 Remove prototype.
5538 (rs6000_restore_machine_status): Remove prototype.
5540 2001-01-09 Richard Henderson <rth@redhat.com>
5542 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5543 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5544 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5545 (sched_analyze_2, sched_analyze_insn): Likewise.
5546 (sched_analyze, init_deps): Likewise.
5547 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5548 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5549 (compute_block_backward_dependences): Update propagate_deps call.
5551 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5553 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5555 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5557 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5558 (cpp_handle_option): Handle them.
5559 (cpp_post_options): Ensure one of -M or -MM is specified with
5560 any other -M? option.
5561 (init_dependency_output): Suppress output with -MG.
5563 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5565 * cpp.texi: Update.
5566 * invoke.texi: Update.
5568 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5570 * sh.md (reload_outsf): Generate recognizable patterns for
5571 TARGET_SH3E.
5573 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5575 * c-lang.c (lang_hooks): Update.
5576 (lang_init): Rename c_init.
5577 (lang_finish): Remove.
5578 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5579 and lang_finish ().
5580 * toplev.h (lang_hooks): Add init () and finish ().
5581 * tree.h (lang_init, lang_finish): Remove.
5582 * cp/tree.h (lang_init, lang_finish): Remove.
5583 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5584 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5585 lang_hooks): New.
5586 (lang_init, lang_finish): Remove.
5587 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5588 (lang_hooks): Update.
5589 * java/lang.c (lang_init): Rename java_init.
5590 (lang_finish): Remove.
5591 (lang_hooks): Update.
5592 * objc/objc-act.c (lang_init): Rename objc_init.
5593 (lang_finish): Remove.
5594 (lang_hoooks): Update.
5596 20001-01-09 Graham Stott <grahams@redhat.com>
5598 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5599 after `ptr` is initialised.
5601 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5603 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5604 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5605 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5606 stack adjusts, instead of r3.
5608 2001-01-09 Michael Hayes <mhayes@redhat.com>
5610 * flow.c (flow_loop_scan): Break out of ...
5611 (flow_loops_find) ... here.
5612 * basic-block.h (flow_loop_scan): New.
5613 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5614 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5616 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5618 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5619 macro_buffer_len.
5620 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5621 realloc()ing macro_buffer.
5623 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5624 if it's wider than long and the target's long is wider than the
5625 host's.
5627 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5629 Remove support for using UWIN as a host machine.
5630 * configure.in: Issue an error message.
5631 * configure: Regenerated.
5632 * config.gcc: Remove xm_* UWIN configury.
5633 * config/i386/xm-uwin.h: Remove.
5635 2001-01-08 Nick Clifton <nickc@redhat.com>
5637 * config/v850/v850.c (ra_rtx): Delete.
5638 (v850_save_machine_status): Delete.
5639 (v850_restore_machine_status): Delete.
5640 (v850_init_machine_status): New function.
5641 (v850_mark_machine_status): New function.
5642 (v850_free_machine_status): New function.
5643 (v850_return_addr): Use ra_rtx field in machine structure.
5644 (v850_init_expanders): Use new functions.
5646 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5647 * config/v850/v850.c: Change arguments to v850_output+* functions
5648 to take a const char *, to avoid compile time warning.
5649 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5650 (USER_LABEL_PREFIX): Redefine.
5652 2000-01-08 Jim Wilson <wilson@redhat.com>
5654 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5655 1 to unsigned HOST_WIDE_INT before left shift.
5657 2001-01-08 Nick Clifton <nickc@redhat.com>
5659 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5660 the machine structure has been allocated.
5661 (arm_free_machine_status): New function: Free the machine
5662 specific function structure.
5664 2001-01-08 Richard Henderson <rth@redhat.com>
5666 * jump.c (simplejump_p): Revert last change.
5668 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5670 * cppinit.c (init): Rename init_library.
5671 (cpp_create_reader): Update.
5672 * gcc.c (cpp_options): If -o given, use it as the target of
5673 any -M options.
5675 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5677 * arm.c (arm_arch5e): New variable.
5678 (all_cores): XScale is a 5TE device.
5679 (arm_override_options): Set arm_arch5e.
5680 (arm_init_builtins): __builtin_prefetch is in arch5e.
5681 * arm.h (arm_arch5e): Declare it.
5683 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5685 * arm.md (define_constants): Add defines for UNSPEC and
5686 UNSPEC_VOLATILE insns. Update all users.
5687 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5688 * arm.c (multi_register_push, note_invalid_constants)
5689 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5690 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5691 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5693 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5695 * jump.c (jump_optimize_1): Use reversed_comparison_code
5696 instead of can_reverse_comparison_p.
5697 (jump_back_p): Likewise.
5698 (invert_exp_1): Likewise.
5699 (thread_jumps): Likewise.
5700 * simplify-rtx.c (simplify_unary_operation): Likewise.
5701 (simplify_ternary_operation): Likewise.
5702 * cse.c (find_comparison_args): Convert to use
5703 can_reverse_comparison_p.
5704 (record_jump_equiv): Likewise.
5706 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5708 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5709 (EPILOGUE_USES): Define.
5710 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5711 automatically stack the LR if it isn't live.
5713 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5715 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5716 properly.
5718 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5720 * ggc-page.c (max_alignment): New structure.
5721 (MAX_ALIGNMENT): New macro.
5722 (init_ggc): Use it to round up the sizes in the
5723 extra_order_size_table.
5725 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5727 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5728 after reload.
5730 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5732 * builtins.def (BUILT_IN_FPRINTF): New entry.
5734 * c-common.c (c_expand_builtin_fprintf): New function.
5735 (init_function_format_info): Handle __builtin_fprintf.
5736 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5737 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5739 * c-decl.c (duplicate_decls): Adjust comment.
5741 * extend.texi (fprintf): Document new builtin.
5743 2001-01-07 Richard Henderson <rth@redhat.com>
5745 * jump.c (simplejump_p): Recognize any single_set jump
5746 of the proper form.
5748 2001-01-07 Richard Henderson <rth@redhat.com>
5750 * configure.in (slibdir): Accept an --with-slibdir option.
5751 Use "test" not "[" in configure. Default to $(libdir).
5753 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5754 fix typo in rm -f.
5755 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5756 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5757 (SHLIB_LINK): Create links for the soname.
5758 * config/mips/t-iris6: Likewise.
5759 * config/sparc/t-slibgcc: Likewise.
5760 * config/sparc/t-slibgcc-sld: Likewise.
5762 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5764 * config/i386/i386.c (constant_call_address_operand): Accept
5765 (const (plus (symbol_ref) (const_int))).
5766 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5767 constant_call_address_operand.
5769 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5771 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5772 and LONG_LONG_TYPE_SIZE > 32.
5774 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5776 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5777 the previous change.
5779 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5781 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5782 New.
5783 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5784 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5785 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5786 Declare.
5788 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5790 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5792 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5794 * c-lang.c (c_post_options): Call cpp_post_options.
5795 * objc/objc-act.c (objc_post_options): Similarly.
5796 * cppmain.c (main): Similarly.
5797 * fix-header.c (read_scan_file): Similarly.
5798 * cppinit.c (cpp_start_read): Move option consistency checks
5799 to cpp_post_options. Don't call init_dependency_output.
5800 If needed, add default target and main file dependency.
5801 (OPT_MD, OPT_MMD): Remove.
5802 (OPT_MF): New.
5803 (cpp_handle_option): Update for OPT_* changes.
5804 (cpp_post_options): New.
5805 (init_dependency_output): Command line -MF overrides environment
5806 variables. Don't set default target etc. Suppress output
5807 if dependencies are going to stdout.
5808 (print_help): Update.
5809 * cpplib.h (cpp_post_options): New.
5810 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5812 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5814 * jump.c (comparison_dominates_p): Support unordered compares.
5816 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5818 * simplify-rtx.c (simplify_relational_operation): Always simplify
5819 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5820 and UNGE.
5822 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5824 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5825 (nonzero_bits): Likewise.
5826 (simplify_comparison): Likewise.
5827 (num_sign_bit_copies): Likewise; return more sane value depending
5828 on STORE_FLAG_VALUE.
5829 (known_cond): Do not assume EQ to be always true for equivalent
5830 operands.
5832 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5834 * cse.c (fold_rtx): Handle unordered comparisons.
5836 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5838 * rtlanal.c (set_of_1): New static function.
5839 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5840 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5841 reg_set_last_last_regno): Remove.
5842 (set_of): New global function.
5843 (set_of_data): New structure.
5844 (reg_set_p, reg_set_last): Revamp for set_of.
5845 * rtl.h (set_of): New.
5847 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5849 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5850 * extend.texi: Document _Exit builtin.
5852 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5854 * (initialize, initialize_builtins,
5855 initialize_dependency_output, initialize_standard_includes):
5856 Rename s/initialize/init. Update.
5857 (init_dependency_output): Move to after
5858 cpp_handle_options, the correct location temporally at least.
5859 (opt_comp): Move next to init (), its caller. Fix prototype.
5860 (init): Make "initialized" local scope.
5861 (cpp_create_reader): Always call init ().
5862 (cpp_start_read): Update.
5863 (output_deps): New function, broken out of cpp_finish.
5864 (cpp_finish): Break out output_deps.
5866 2001-01-07 Richard Henderson <rth@redhat.com>
5868 * collect2.c (COFF specific stuff): Revert 12-06 patch
5869 to prototype system functions.
5871 2001-01-07 Michael Hayes <mhayes@redhat.com>
5873 * hard-reg-set.h: Add multiple include guard.
5874 * basic-block.h (struct loop): Add `sink' field.
5875 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5876 (emit_iv_add_mult): Delete.
5877 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5878 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5879 (unroll_loop): Remove end_insert_before argument.
5880 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5881 (maybe_eliminate_biv_1): Likewise.
5882 (emit_iv_add_mult): Delete.
5883 (gen_add_mult, loop_regs_update): New.
5884 (loop_insn_emit_after, loop_insn_emit_before): New.
5885 (loop_insn_sink, loop_insn_sink_or_swim): New.
5886 (emit_iv_add_mult): Delete.
5887 (scan_loop): Set loop->sink.
5888 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5889 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5890 (maybe_eliminate_biv_1): Likewise.
5891 (maybe_eliminate_biv_1): Add basic block argument.
5892 * unroll.c (unroll_loop): Remove end_insert_before argument.
5893 (find_splittable_regs): Likewise.
5894 (find_splittable_regs): Use loop_insn_sink and its ilk.
5895 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5897 2001-01-07 Michael Hayes <mhayes@redhat.com>
5899 * loop.h (loop_insn_hoist): New prototype.
5900 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5901 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5902 (check_dbra_loop, load_mems): Likewise.
5903 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5904 (find_splittable_givs): Likewise.
5906 2001-01-07 Michael Hayes <mhayes@redhat.com>
5908 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5910 2001-01-07 Richard Henderson <rth@redhat.com>
5912 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5914 2001-01-07 Richard Henderson <rth@redhat.com>
5916 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5917 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5918 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5919 variant that handles a shared libgcc.
5920 (process_command): Always validate -{static,shared}-libgcc.
5921 (do_spec_1): New 'M' case.
5922 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5924 2001-01-07 Richard Henderson <rth@redhat.com>
5926 * Makefile.in (slibdir): New variable.
5927 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5928 (installdirs): Create slibdir.
5929 (install-libgcc, install-multilib): Defer to libgcc.mk.
5930 * configure.in (slibdir): Substitute.
5931 * mklibgcc.in (install): New target.
5933 * config/t-linux (SHLIB_LINK): Create links for the soname.
5934 (SHLIB_INSTALL): New.
5935 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5936 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5937 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5938 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5939 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5941 2001-01-07 Richard Henderson <rth@redhat.com>
5943 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5944 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5945 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5947 2001-01-07 Michael Hayes <mhayes@redhat.com>
5949 * loop.c (count_loop_regs_set): Delete.
5950 (load_mems_and_recount_loop_regs_set): Delete.
5951 (loop_regs_scan): Merge common code from count_loop_regs_set,
5952 scan_loop, and load_mems_and_recount_loop_regs_set.
5953 (scan_loop): Call load_mems directly and loop_regs_scan
5954 again if new registers created.
5956 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5958 * toplev.c (main): Call the front-end specific post_options
5959 hook if one is given.
5960 * toplev.h (struct_lang_hooks, lang_hooks): New.
5961 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5962 for the C front end.
5963 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5964 lang_hooks for the C++ front end.
5965 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5966 lang_hooks for the ObjC front end.
5967 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5968 * java/lang.c (lang_hooks): Hooks for the Java front end.
5970 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5972 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5973 for verbose DWARF[2] debugging.
5974 (cb_define, cb_undef): The new callbacks.
5975 * toplev.h (debug_define, debug_undef): Make const correct.
5976 * toplev.c (debug_define, debug_undef): Similarly. Do not
5977 perform the verbosity tests here anymore.
5979 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5981 * reload.c (subst_reloads): Take INSN argument. When
5982 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5983 * reload.h (subst_reloads): Adjust prototype.
5984 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5985 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5986 present in JUMP_INSNs and copy them to JUMP_LABEL.
5987 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5988 JUMP_INSNs and insns with REG_LABELs that are followed by
5989 JUMP_INSNs with the same REG_LABEL.
5990 * sched-rgn.c (is_cfg_nonregular): Likewise.
5991 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5992 note is available.
5993 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5994 JUMP_INSNs too.
5995 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5997 2001-01-06 Richard Henderson <rth@redhat.com>
5999 * loop.c (scan_loop): Use xcalloc for the regs array.
6000 (load_mems_and_recount_loop_regs_set): Zero the new memory
6001 received from xrealloc.
6003 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6005 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6007 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6009 * integrate.c (copy_rtx_and_substitute): When copying
6010 an ignored return value, strip REG_FUNCTION_VALUE_P.
6012 2001-01-06 Michael Hayes <mhayes@redhat.com>
6014 * loop.c (debug_biv, debug_giv): New.
6015 (loop_biv_dump): Break out from ...
6016 (record_biv): ... here.
6017 (loop_giv_dump): Break out from ...
6018 (record_giv): ... here.
6019 (loop_bivs_check): Use print_simple_rtl.
6020 * unroll.c (loop_iterations): Use print_simple_rtl.
6022 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6024 * pa.md (return, return_internal): Modify patterns to prevent regrename
6025 mucking with the return pointer.
6027 2001-01-05 Richard Henderson <rth@redhat.com>
6029 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6031 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6033 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6034 version supplied by Matteo Frigo.
6036 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6038 * cpp.texi: Update for -MQ.
6039 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6040 (cpp_cleanup): Always free pfile->deps.
6041 (initialize_dependency_output): Don't create pfile->deps.
6042 (cpp_handle_option): Similarly.
6043 (OPT_MQ): New.
6044 * gcc.c (cpp_options): Handle -MQ.
6045 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6046 * mkdeps.c (base_name): Remove.
6047 (deps_init): Don't allocate vector space until it's needed.
6048 (deps_free): Only free vectors if allocated.
6049 (deps_add_target, deps_add_dep): Update for initial allocation.
6050 (deps_add_default_target): Don't strip to the base_name.
6052 2001-01-05 DJ Delorie <dj@redhat.com>
6054 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6055 (INIT_EXPANDERS): Define.
6057 * config/v850/v850.c (struct machine_function): Define.
6058 (v850_save_machine_status): New function.
6059 (v850_restore_machine_status): New function.
6060 (v850_return_addr): New function.
6061 (v850_init_expanders): New function.
6063 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6064 and v850_init_expanders.
6066 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6068 * cpplib.h (struct cpp_reader): Add help_only field.
6069 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6070 (cpp_handle_option): Set pfile->help_only if we see -h,
6071 --help, -target-help, or --version. Print version string but
6072 do not set help_only if we see -v or -version. Make text
6073 printed by -v match that printed by (-)-version.
6075 * cppmain.c (main): Exit after option parsing if
6076 pfile->help_only is true.
6078 * toplev.c (independent_decode_option): Call print_version,
6079 then exit, if we see --version (but not -version).
6080 (print_version): Split lengthy message into two lines.
6082 2001-01-05 Nick Clifton <nickc@redhat.com>
6084 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6085 temporary string for initialisation before calling ggc_alloc_string.
6087 2001-01-06 Michael Hayes <mhayes@redhat.com>
6089 * rtl.h (print_simple_rtl): New.
6090 * print-rtl.c (print_simple_rtl): New.
6091 (flag_simple): New.
6092 (print_rtx): Disable printing of flags and modes, etc.,
6093 if `flag_simple` nonzero.
6095 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6097 * function.c (fixup_var_refs): Use push_to_full_sequence where
6098 possible.
6100 2001-01-05 Michael Meissner <meissner@redhat.com>
6102 * flags.h (flag_reorder_blocks): Add declaration.
6103 (flag_rename_block): Ditto.
6105 2001-01-05 DJ Delorie <dj@redhat.com>
6107 * function.c (reorder_blocks): Make sure the flags are all reset
6108 before using them to mark blocks, else a second invocation will
6109 corrupt the block chain.
6110 (reorder_blocks_0): New, resets the flags.
6112 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6114 * cse.c (find_comparison_args): Stop if the argument is known to
6115 be constant.
6117 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6119 * config/sh/sh.md (movdf): When splitting load into pair of
6120 registers, don't clobber the register used in the address too
6121 early.
6123 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6125 * varasm.c (mark_constant_pool): Improve initial comments.
6126 (mark_constants): Move marking of constants to mark_constant.
6127 (mark_constant): New function to recursively mark all constants
6128 referred to by a constant.
6130 2001-01-05 Catherine Moore <clm@redhat.com>
6132 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6134 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6136 * cp/lang-options.h: Bring comment in line with reality.
6137 * f/lang-options.h: Likewise.
6138 * java/lang-options.h: Likewise.
6139 * objc/lang-options.h: Likewise.
6140 * ch/lang-options.h: Likewise.
6141 * f/g77.texi: And update the manual.
6143 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6144 Denis Chertykov <denisc@overta.ru>
6146 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6147 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6148 * config/avr/avr.md (all peepholes that request a scratch register):
6149 Call it, FAIL the peephole if not safe (in interrupt functions).
6151 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6153 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6155 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6157 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6158 Define.
6159 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6160 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6161 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6162 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6163 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6164 BUILT_IN_CIMAG.
6165 * extend.texi: Document these builtins.
6167 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6169 * c-common.c (lang_get_alias_set): Say we know nothing of
6170 VECTOR_TYPE aliasing.
6172 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6174 2001-01-05 Bruce Korb <bkorb@gnu.org>
6176 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6177 their x* equivalent versions for atexit-less systems
6178 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6179 systems (or any other system any more).
6181 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6183 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6184 output operands. Use arm_hard_register_operand for operand 4.
6185 (stmsi_postinc): Similarly.
6186 (ldmsi): Use arm_hard_register_operand for opernand 2.
6187 (stmsi): Similarly.
6188 * arm.c (arm_hard_register_operand): New function.
6189 * arm-protos.h (arm_hard_register_operand): Prototype it.
6191 * arm.h (HARD_REGNO_RENAME_OK): Define.
6193 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6195 * simplify-rtx.c (cfc_args): add "unordered" field.
6196 (check_fold_consts): Set unordered field.
6197 (simplify_relational_operation): Simplify the unordered
6198 comparisons.
6200 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6201 is valid.
6203 * emit-rtl.c (try_split): Fix code to mark labels.
6204 * jump.c (mark_jump_label): Make global.
6205 * rtl.h (mark_jump_label): Declare.
6207 * predict.c (estimate_probability): Handle unordred comparisons.
6209 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6211 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6212 * cppinit.c (initialize_dependency_output): Update.
6213 (cpp_finish): Output dummy targets for -MP.
6214 (OPT_MP): New.
6215 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6216 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6217 * gcc.c (cpp_options): Update to handle -MP.
6218 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6219 to quote only the default target.
6220 (deps_phony_targets): Insert a preceding newline. Rename from
6221 deps_dummy_targets for consistency.
6222 * mkdeps.h: Update
6224 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6226 * calls.c (emit_library_call_value_1): Support
6227 INIT_CUMULATIVE_LIBCALL_ARGS.
6228 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6230 2001-01-04 Richard Henderson <rth@redhat.com>
6232 * c-decl.c (finish_struct): Detect flexible array members
6233 used in an inappropriate context.
6234 * c-typeck.c (really_start_incremental_init): Special case
6235 constructor_max_index for zero length arrays.
6236 (pop_init_level): Allow initialization of flexible array
6237 members. Deprecate initialization of zero length arrays.
6238 Don't issue missing initializer warning for flexible array
6239 members or zero length arrays.
6240 (process_init_element): Don't dereference null DECL_SIZE.
6241 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6242 Don't abort for empty constructors. Use size_binop
6243 (output_constructor): Add commentary regarding zero length
6244 array futures. Abort if we try to initialize an array of
6245 unspecified length with a non-empty constructor in the middle
6246 of a structure.
6248 * extend.texi (Zero Length): Update and clarify documentation
6249 on static initialization.
6251 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6253 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6254 with more than 32767 words of local storage.
6256 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6258 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6259 for 'abs', 'labs', and 'fabs'.
6260 (c4x_expand_builtin): Likewise.
6261 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6263 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6265 * config/sh/sh.md (prget, prset): New insn types.
6266 (return delay slot): Dont' allow prset.
6267 (call, sfunc delay slot): Don't allow prget.
6268 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6269 for prset and prget.
6271 2001-01-05 Michael Hayes <mhayes@redhat.com>
6273 * loop.h (struct loop_reg): New.
6274 (struct loop_regs): Change to use array of `struct loop_reg'.
6275 * loop.c: Replace assortment of varrays with single regs array.
6276 (count_one_set): Delete may_not_move array argument
6277 and use regs array instead. All caller's changed.
6278 (count_loop_regs_set): Delete may_not_move and single_usage
6279 arguments and use regs array instead. All caller's changed.
6280 (find_single_use_in_loop): Replace usage array argument with pointer
6281 to regs structure. All caller's changed.
6282 (loop_optimize): Delete `moved_once' array.
6284 2001-01-05 Michael Hayes <mhayes@redhat.com>
6286 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6287 Use it instead of loop_info->has_call for scanning loop mems.
6288 (check_dbra_loop): Replace loop_info->has_call test with
6289 loop_info->has_nonconst_call.
6291 2000-01-04 Matthew Hiller <hiller@redhat.com>
6293 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6294 for TARGET_SH3E.
6296 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6298 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6299 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6301 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6303 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6304 (flag_short_double, flag_short_wchar): Define.
6305 (c_common_nodes_and_builtins): Create many tree nodes shared
6306 between C and C++ here instead of in cp/decl.c and ...
6307 * c-decl.c (init_decl_processing): ... here.
6308 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6309 (flag_short_double, flag_short_wchar): Don't define.
6310 (record_builtin_type): New function.
6311 (build_void_list_node): New function.
6312 * c-common.h (flag_short_double, flag_short_wchar,
6313 record_builtin_type, build_void_list_node): Declare.
6315 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6317 * integrate.c (expand_inline_function): Don't put a virtual
6318 register into the reg map.
6320 * function.c (fixup_var_refs_1): If force_operand didn't put
6321 the address into the target, move it there.
6323 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6325 Special-case tree_decl/tree_list allocations.
6326 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6327 (OBJECT_SIZE): New macro.
6328 (NUM_EXTRA_ORDER): Likewise.
6329 (extra_order_size_table): New variable.
6330 (NUM_ORDERS): New macro.
6331 (objects_per_page_table): New variable.
6332 (object_size_table): New variable.
6333 (G.pages): Use NUM_ORDERS to bound the array.
6334 (G.page_tails): Likewise.
6335 (DIV_ROUND_UP): Remove.
6336 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6337 (alloc_page): Use OBJECT_SIZE.
6338 (size_lookup): Don't make it const.
6339 (ggc_alloc): Use OBJECT_SIZE.
6340 (ggc_set_mark): Likewise.
6341 (ggc_get_size): Likewise.
6342 (init_ggc): Set up the object_size_table, objects_per_page_table,
6343 and adjust size_lookup.
6344 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6345 (ggc_pop_context): Use NUM_ORDERS.
6346 (clear_marks): Likewise.
6347 (sweep_pages): Likewise.
6348 (poison_pages): Likewise.
6349 (ggc_print_statistics): Use OBJECT_SIZE.
6351 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6353 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6354 Only call array_size_for_constructor if last field and array type
6355 with no upper bound.
6357 2001-01-04 Philip Blundell <philb@gnu.org>
6359 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6360 from bit 31 downwards, if this requires no more insns.
6361 (count_insns_for_constant): New helper function for above.
6363 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6365 * gencodes.c (output_predicate_decls): Remove empty initializer.
6367 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6369 * tree.c (copy_node): Remove documentation about obstacks.
6370 (buidl1): Check that nobody tries to build 2-argument nodes this
6371 way.
6373 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6375 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6376 fp_high_losum_p.
6378 * gencodes.c (output_predicate_decls): Fill empty initializer
6379 braces.
6381 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6383 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6384 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6385 or -MM.
6386 (do_include): Handle missing headers like cpp0.
6387 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6388 paths with first include pathname. Don't strcat to uninitialized
6389 string.
6391 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6393 * regrename.c (regrename_optimize): Don't rename from frame pointer
6394 if frame_pointer_needed.
6395 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6396 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6397 (ia64_reorg): Use it instead of scheduling if ! optimize.
6398 (errata_emit_nops): Properly call asm_noperands.
6399 (ia64_sched_reorder): Finish cycle if we see an asm.
6400 (ia64_variable_issue): Clear scheduling state after asms.
6402 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6404 * cpp.texi: Update for -MT.
6405 * cppinit.c (initialize_dependency_output): Add a default
6406 target if none has been given already.
6407 (no_tgt, OPT_MT): New.
6408 (cpp_handle_option): Handle -MT. Update -M etc.
6409 * cpplib.h (struct cpp_options): Remove deps_target.
6410 * gcc.c (cpp_options): Handle -MT.
6411 * mkdeps.c (struct deps): Move from mkdeps.h.
6412 (deps_calc_target): Rename deps_add_default_target. Add a
6413 default target if none has been specified already.
6414 * mkdeps.h (struct deps): Move to mkdeps.c.
6415 (deps_calc_target): Rename deps_add_default_target.
6417 2000-01-03 Richard Henderson <rth@redhat.com>
6419 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6420 Remove dead code.
6421 * c-typeck.c (push_init_level): Move checks for flexible array
6422 members and zero length arrays ...
6423 (pop_init_level): ... here. Silently discard empty initializations.
6424 Remove dead code.
6425 * varasm.c (output_constructor): Update for sizeof change to
6426 zero-length arrays.
6428 * extend.texi (Zero Length): Clarify semantics.
6430 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6432 * configure.in (tm.h): Include isns-codes.h last.
6433 * configure: Rebuilt.
6435 2001-01-03 Richard Henderson <rth@redhat.com>
6437 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6438 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6440 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6442 * tradcpp.c (main): Make sure finclude() is called with a valid
6443 indepth value while handling -include.
6445 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6447 * gencodes.c (output_predicate_decls): New function.
6448 (main): Call it.
6449 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6450 even if it is not the first time machmode.h is #included.
6451 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6452 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6453 * gcc.texi (Copyright): Added 2001.
6455 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6457 * c-common.c (c_common_lang_init): New function. Warn if format
6458 warning options which only have effects when used with -Wformat
6459 are used without -Wformat.
6460 * c-common.h (c_common_lang_init): Declare.
6461 * c-lang.c (lang_init): Call c_common_lang_init.
6462 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6464 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6466 * configure.in: Check for the mktemp command.
6467 * configure: Regenerate.
6468 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6469 $TEMP. Create temporary files with mktemp, if available at
6470 configure time; otherwise use set -C. Remove temporary files
6471 before exit.
6473 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6475 * configure.in: Require at least texinfo 4.0. Check for whether
6476 Pod::Man is sufficiently recent to regenerate GCC manpages.
6477 * configure: Regenerate.
6478 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6479 on #!.
6480 (GENERATED_MANPAGES): Define.
6481 (generated-manpages): New target. Depend on cpp.1 as well as
6482 gcov.1.
6483 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6484 configure to generated-manpages or empty) rather than on the
6485 manpages directly. Remove execute permission from installed
6486 gcov.1 as well as cpp.1.
6487 * cpp.1, gcov.1: Regenerate.
6489 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6491 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6492 tree_low_cst. Allow using cmpstrsi in more cases.
6494 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6496 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6497 sized types.
6499 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6501 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6502 * Makefile.in (HOST_CFLAGS): Mention build-make.
6504 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6506 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6507 as JUMP_INSN.
6509 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6511 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6512 a REG rtx.
6514 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6515 callers changed.
6517 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6518 reg_base_value and reg_known_value arrays.
6519 (init_alias_analysis): Add more cases to detect known values.
6520 * sched-deps.c (deps_may_trap_p): New function.
6521 (sched_analyze_2): Use it.
6523 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6525 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6526 don't discard an ASHIFTRT if we're shifting in a wider mode.
6528 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6530 * toplev.c (rest_of_compilation): Don't print basic block information
6531 when CFG isn't up to date.
6533 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6535 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6536 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6537 (UNALIGNED_SHORT_ASM_OP): Define.
6538 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6540 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6542 * fold-const.c (fold_convert): Fix typo.
6544 2001-01-02 Richard Henderson <rth@redhat.com>
6546 * c-common.h (ASM_INPUT_P): New.
6547 * c-parse.in (asm): Set it when needed.
6548 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6549 existance of an operand.
6551 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6553 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6554 (dwarf2out_frame_debug_expr): Likewise.
6555 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6557 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6559 * i386.c (ix86_split_to_parts): Return number of part required;
6560 handle TFmodes.
6561 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6562 TFmodes.
6563 (ix86_split_long_move): Use number of part returned
6564 by ix86_split_to_parts
6565 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6566 New macros.
6567 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6568 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6569 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6570 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6571 (ALIGN_MODE_128): Add TFmode.
6572 (IS_STACK_MODE): Likewise.
6573 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6574 (HARD_REGNO_OK): Support TFmodes.
6575 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6576 * i386.md (scheduler definitions): Use memory operand to determine
6577 fst/fld instructions; use mode attribute to determine real mode of
6578 the instruction.
6579 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6580 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6582 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6584 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6586 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6588 * expr.c (store_constructor_field): Update ALIGN before calling
6589 store_constructor.
6591 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6593 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6594 host_integerp.
6596 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6598 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6599 incomplete type.
6601 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6603 * c-decl.c (start_function): Don't warn on third parameter to main.
6605 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6607 * tsystem.h: Define HAVE_DECL_GETOPT.
6609 2001-01-02 Philip Blundell <pb@futuretv.com>
6611 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6612 of input operand.
6614 2001-01-02 Richard Henderson <rth@redhat.com>
6616 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6618 2001-01-02 Andreas Jaeger <aj@suse.de>
6620 * c-decl.c (c_decode_option): Remove support of
6621 -Wmissing-noreturn.
6623 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6624 (W_options): Add -Wmissing-noreturn here.
6626 * flow.c: Define lang_missing_noreturn_ok_p.
6627 (check_function_return_warnings): Use it.
6629 * c-common.h: Declare lang_missing_noreturn_ok_p.
6631 * c-lang.c (c_missing_noreturn_ok_p): New function.
6632 (lang_init): Set lang_missing_noreturn_ok_p.
6634 * invoke.texi (Warning Options): Document this.
6636 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6638 * extend.texi (C++ Extensions): New node for C++ attributes;
6639 describe init_priority and com_interface.
6640 * invoke.texi: Remove -finit-priority as it now has zero effect.
6641 * install.texi: Fix xref syntax.
6642 * md.texi: Likewise.
6644 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6646 * config.gcc (sparc64-wrs-vxworks*): New case.
6647 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6649 * config/sparc/sparc.c (sparc_override_options): Do support different
6650 pointer and architecture size.
6651 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6652 (POINTERS_EXTEND_UNSIGNED): Define.
6653 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6654 (FUNCTION_MODE): Define to be Pmode.
6655 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6657 * function.c (expand_function_end): Properly handle DECL_RESULT
6658 and copy when ptr_mode != Pmode.
6659 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6661 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6663 * c-common.c (c_common_nodes_and_builtins): Set prototype
6664 parameters for __builtin_fputs, __builtin_fputc and
6665 __builtin_fwrite. Don't declare plain fputc as a builtin.
6667 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6669 * loop.c (add_label_notes): Increment the label usage count when
6670 a note is added to an insn which refers to a CODE_LABEL.
6671 * gcse.c (add_label_notes): Likewise.
6673 2001-01-01 Andreas Jaeger <aj@suse.de>
6675 * loop.c (scan_loop): Use xmalloc to allocate movables.
6677 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6679 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6680 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6681 * reload1.c (REGISTER_MOVE_COST): Likewise.
6682 * regclass.c (REGISTER_MOVE_COST): Likewise.
6683 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6684 dimension. Adjust all users.
6685 (init_reg_sets_1): Iterate on all modes.
6686 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6687 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6688 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6689 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6690 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6691 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6692 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6693 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6694 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6695 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6696 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6697 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6698 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6699 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6700 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6701 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6702 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6703 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6704 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6705 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6706 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6707 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6708 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6709 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6710 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6711 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6712 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6714 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6716 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6717 arg VARIES_P. Call it with extra arg.
6718 (true_dependence): Likewise.
6719 * rtl.h (rtx_addr_can_trap_p): Declare.
6720 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6721 prototypes.
6722 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6723 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6724 pic offset table register if it's zero. All callers changed.
6725 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6727 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6729 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6730 STRING_POOL_ADDRESS_P.
6732 * config/sparc/sparc.c (input_operand): Properly test for short op.
6734 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6735 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6736 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6737 * config/sparc/elf.h: No longer include sol2.h.
6738 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6739 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6741 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6743 2001-01-01 Michael Hayes <mhayes@redhat.com>
6745 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6746 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6747 (record_initial): Likewise.
6748 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6749 (remap_split_bivs): Likewise.
6751 2001-01-01 Michael Hayes <mhayes@redhat.com>
6753 * loop.c (loop_ivs_free): New function.
6754 (strength_reduce): Break out from...
6756 2001-01-01 Michael Hayes <mhayes@redhat.com>
6758 * loop.h (struct iv): New.
6759 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6760 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6761 'reg_biv_class' fields with 'regs' and 'n_regs'.
6762 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6763 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6764 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6766 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6768 * resource.c (mark_referenced_resources): Abort() before
6769 attempting to mark a pseudo register.
6770 (mark_set_resources): Likewise.
6772 2001-01-01 Michael Hayes <mhayes@redhat.com>
6774 * loop.h (REG_IV_CLASS): New accessor macro.
6775 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6776 * unroll.c (REG_IV_CLASS): Likewise.
6778 See ChangeLog.4 for earlier changes.