1 Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org)
3 * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New
5 (install-cpp, uninstall-cpp): New targets.
6 (install-normal): Depend on $(INSTALL_CPP).
7 (uninstall): Depend on $(UNINSTALL_CPP).
8 * configure.in (cpp_install_dir): New, substitute.
9 (tmake_file): Added t-install-cpp for --enable-cpp.
11 * cpp.sh: New cpp script.
12 * config/t-install-cpp: New target fragment.
14 Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15 Jeffrey A Law (law@cygnus.com)
17 * cse.c (fold_rtx): Update comments for (const (minus (label) (label)))
19 (cse_insn): Avoid creating a bogus REG_EQUAL note for
20 (const (minus (label) (label)))
21 (record_jump_cond): Fix mismatched paren in comment.
23 Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu>
25 * final.c (end_final): There are 11 words in the "main header"
28 Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org>
30 * extend.texi: Reference __extension__ in the index.
32 Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com>
34 * Makefile.in (CROSS_FLOAT_H): Delete.
35 (FLOAT_H): Use float_h_file.
36 (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency.
38 (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h.
39 (mostlyclean): Delete gloat.h reference.
40 (install-cross-rest, install-float-h-cross, stmp-headers): Update
42 * configure.in (sparcv9-*-solaris2*): Set float_format to none.
43 (sparc-*-solaris2*): Set float_format to none for 2.5 and higher.
44 (float_h_file): Set from float_format. Substitute into Makefile.in.
45 (float_format): No longer substitute into Makefile.in.
46 * cross-make (FLOAT_H): Delete.
47 * config/mips/t-cross64 (FLOAT_H): Delete.
50 Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com)
52 * mips.md (div_trap_normal, div_trap_mips16): Require the dependent
53 insn to be an INSN before looking at its pattern.
55 Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com>
57 * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments.
58 * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of
59 HImode reg when TARGET_5200.
61 Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
63 From Toshiyasu Morita:
64 * sh.h (CACHE_LOG): SH2 has cache, too.
66 Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com>
68 * toplev.c (compile_file): Disable -ffunction-sections and
69 debugging warning if the object format is elf.
71 Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
73 * config/h8300/h8300.c (print_operand): Use 16 bit addressing
74 when the data in 8-bit area and can not be addressed by 8-bit.
76 Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com>
78 * flow.c (create_basic_block): Disregard integrated bb notes.
80 Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com>
82 * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0.
84 Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co>
86 * config/i386/t-sco5gas (crti.o): New target.
88 Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@mhpcc.edu>
90 * rs6000.md (elf_high, movsi_got, *movsi_got_internal,
91 *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32,
92 movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64,
93 load_multiple, allocate_stack, call_indirect_aix32,
94 call_indirect_aix64, call_value_indirect_aix32,
95 call_value_indirect_aix64, call_indirect_nt,
96 call_value_indirect_nt): Use gpc_reg_operand instead of
99 Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com>
101 * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3,
102 *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR
104 * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't
105 allow andi. or andis. which always set cr0.
107 Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
109 * version.c: Bump for snapshot.
111 Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com)
113 * invoke.texi: Update information for PA scheduling.
115 Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com>
116 Mike Stump <mrs@wrs.com>
118 * pa.c (override_options): Change default to 7100LC
120 * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of
121 float regs before right half of float regs.
123 Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org)
124 Jeffrey A Law (law@cygnus.com)
126 * frame.h: Update some comments.
127 * defaults.h (TARGET_ATTRIBUTE_WEAK): Define.
128 * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare
129 using TARGET_WEAK_ATTRIBUTE.
130 (__do_global_dtors_aux): Check if __deregister_frame_info is
131 zero before calling it.
132 (__do_global_dtors): Likewise.
133 (frame_dummy): Check if __register_frame_info is zero before
135 (__frame_dummy): Likewise.
137 Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com)
139 * SERVICE: Update from the FSF.
141 Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co>
143 * config/i386/t-sco5 (crti.o): New target.
144 * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when
146 * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o.
148 Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com)
150 * md.texi (prologue,epilogue): Document named patterns.
152 Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org>
154 * md.texi, invoke.texi: Fix unterminated @xrefs.
156 Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com>
158 * genattrtab.c (simplify_knowing): Fix uninitialized read
161 * genextract.c (main): Clear recog_operands before extracting.
163 Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com)
165 * c-pragma.c (add_weak); Delete. Moved into...
166 * varasm.c (add_weak): New external function.
167 (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to
168 the list of weak functions.
169 * c-pragma (add_weak): Declare.
171 Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com>
173 Flow rewrite to use basic block structures and edge lists:
175 * basic-block.h (x_basic_block_head, x_basic_block_end): Kill.
176 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
177 (struct edge_def): New.
178 (struct basic_block_def): New.
179 (basic_block_info): New.
180 (BLOCK_HEAD, BLOCK_END): Update.
181 (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New.
182 (uid_block_number): Kill.
183 (basic_block_for_insn, BLOCK_FOR_INSN): New.
185 * flow.c (XNMALLOC): Kill.
186 (max_uid_for_flow): Kill.
187 (uid_block_number): Kill.
188 (uid_volatile): Turn into a bitmap.
189 (SET_INSN_VOLATILE): New.
190 (basic_block_info): New.
191 (entry_exit_blocks): New.
192 (x_basic_block_head, x_basic_block_end): Kill.
193 (basic_block_computed_jump_target, basic_block_live_at_start): Kill.
194 (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill.
195 (basic_block_loop_depth): Kill.
196 (basic_block_for_insn): New.
197 (find_basic_blocks): Split out initial block counting into
198 count_basic_blocks. Call functions split out of find_basic_blocks_1.
199 (count_basic_blocks): New.
200 (find_basic_blocks_1): Split out edge recognition, unreachable
202 (create_basic_block): New.
203 (compute_bb_for_insn): New.
205 (free_bb_memory): Kill.
206 (add_edge, add_edge_to_label): Kill.
207 (mark_label_ref): Kill.
208 (make_edges): Rewrite to use edge lists.
209 (make_edge, make_label_edge): New.
210 (mark_critical_edges): New.
211 (split_edge, insert_insn_on_edge): New.
212 (commit_one_edge_insertion, commit_edge_insertions): New.
213 (delete_unreachable_blocks): Rewrite to use edge lists.
214 Split out EH region manipulation into delete_eh_regions.
215 Call tidy_fallthru_edge and merge_blocks.
216 (delete_eh_regions): New.
217 (delete_note_p): New.
218 (delete_insn_chain): New.
219 (delete_block): Split out code into delete_insn_chain and
220 tidy_fallthru_edge. Update edge lists.
221 (expunge_block): New.
222 (flow_delete_insn): New?
223 (can_delete_label_p): New?
224 (merge_blocks_nomove, merge_blocks): New.
225 (tidy_fallthru_edge): New.
226 (calculate_loop_depth): New.
227 (life_analysis): Allocate and free uid_volatile.
228 (free_basic_block_vars): Update for new structures.
229 (record_volatile_insns): Use SET_INSN_VOLATILE.
230 (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage.
231 (mark_used_regs): Likewise.
232 (life_analysis_1): Use bb global_live_at_start, global_live_at_end,
233 local_set regsets. Use bb->aux to store new_live_at_end. Begin
234 life propagation from EXIT_BLOCK rather than last block. Clear
235 regs_ever_live after mark_regs_live_at_end.
236 (allocate_for_life_analysis): Update for new structures.
237 (propagate_block): Split out loop depth calculation to
238 calculate_loop_depth.
239 (regno_uninitialized): Use bb->global_live_at_start.
240 (regno_clobbered_at_setjmp): Likewise.
241 (dump_bb_data): Likewise.
242 (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM.
243 (dump_flow_info): Update for new structures.
244 (dump_edge_info): New.
245 (print_rtl_with_bb): Update for new structues.
246 (compute_preds_succs): Do no work -- convert edge lists.
247 (set_block_for_insn): From corpse of old set_block_num.
248 (set_block_num): Call it.
250 * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK.
251 * rtl.h (rtunion_def): Add bb entry.
252 (NOTE_BASIC_BLOCK): New.
253 (NOTE_INSN_BASIC_BLOCK): New.
255 * varray.h (varray_data_tag): Add bb entry.
256 (VARRAY_BB_INIT, VARRAY_BB): New.
258 * emit-rtl.c (emit_label_before): New.
260 * except.c (expand_rethrow): Delete insns following the call to
261 rethrow. Put the REG_EH_RETHROW on the call.
263 * jump.c (returnjump_p, returnjump_p_1): New.
265 * expr.h (nonlocal_goto_handler_labels): New declaration.
266 * function.c (nonlocal_goto_handler_labels): Define it.
267 (push_function_context_to): Save it.
268 (pop_function_context_from): Restore it.
269 (init_function_start): Clear it.
270 (nonlocal_label_rtx_list): Kill.
271 * function.h (struct function): Add storage space for it.
272 * stmt.c (expand_nl_handler_label): Return the new label.
273 (expand_nl_goto_receivers): Collect a list of them in
274 nonlocal_goto_handler_labels.
276 * Makefile.in (print-rtl.o): Depend on basic-block.h.
277 (flow.o): Depend on tree.h and insn-flags.h.
278 (sched.o): Depend on tree.h and expr.h.
280 * function.c (thread_prologue_and_epilogue_insns): Do not
281 half-heartedly update bb structures.
283 * toplev.c: Add flow2 dump as -dw.
284 (rest_of_compilation): Finish .greg before flow2.
286 * graph.c (draw_edge): Handle class 3.
287 (print_rtl_graph_with_bb): Make abnormal edges red class 2,
288 change non-fall-thru but adjacent to green class 3. Update
289 to use new structures.
291 * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK.
293 * reg-stack.c (BLOCK_NUM): Convert to function. Abort if
295 (reg_to_stack): Initialize block_num to -1.
297 * combine.c (set_nonzero_bits_and_sign_copies): Update reference
298 to basic_block_live_at_start to bb->global_live_at_start.
299 (try_combine): Likewise.
300 (reg_dead_at_p): Likewise.
301 * global.c (global_conflicts): Likewise.
302 Handle stack regs on all abnormal edges, not just computed jumps.
303 (mark_elimination): Update reference to basic_block_live_at_start.
304 (build_insn_chain): Likewise.
305 * haifa-sched.c (haifa_edge): Rename from edge for conflict.
306 (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead
307 of nonlocal_label_rtx_list.
308 (check_live_1): Update reference to basic_block_live_at_start.
309 (update_live_1): Likewise.
310 (find_pre_sched_live): Likewise.
311 (find_post_sched_live): Likewise.
312 * local-alloc.c (update_equiv_regs): Likewise.
313 (block_alloc): Likewise.
314 * reload1.c (reload, reload_combine): Likewise.
315 * regmove.c (mark_flags_life_zones): Likewise.
316 * resource.c (mark_target_live_regs): Likewise.
317 * sched.c (schedule_block): Likewise.
319 * regclass.c (regset_release_memory): Don't free
320 basic_block_live_at_start.
322 * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK.
324 Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com>
326 * fixinc.wrap: Also handle struct queue in sys/stream.h.
327 * fixinc.svr4: Likewise.
329 Thu Feb 25 21:23:06 1999 Jason Merrill <jason@yorick.cygnus.com>
331 * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die
332 rather than asserting it.
334 Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE,
337 cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with
338 HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT.
341 * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o,
342 cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o,
343 scan-decls.o): Don't depend on machmode.h.
345 * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore.
346 Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT.
348 * cppfiles.c: Likewise.
350 * cpplib.c: Likewise.
352 * cpplib.h: Likewise. Also don't include machmode.h anymore.
354 Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com>
356 * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate.
357 * objc/lang-specs.h: Likewise.
359 Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com)
361 * pa.md (call patterns): Lose unused argument to output_call.
363 * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags.
365 1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu>
367 * cpphash.c (install): Rename to cpp_install, add cpp_reader*
368 first argument. All callers changed.
370 (cpp_lookup, cpp_install): Change all refs to hashtab to
372 (cpp_hash_cleanup): Removed.
373 * cpphash.h: Adjust prototypes.
374 * cpplib.h (struct cpp_reader): Add hashtab pointer.
375 * cppinit.c (cpp_reader_init): Also allocate space for the
377 (cpp_cleanup): Delete all macros and free the hashtab.
379 Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
381 * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures
384 * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition.
385 * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED.
386 * calls.c (expand_call): Likewise.
388 * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs /
390 * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi.
391 (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed
392 arguments in registers.
393 (PRETEND_OUTGOING_VARARGS_NAMED): Define.
394 * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123]
397 Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
399 * cse.c (dump_class): Revert last change and make the prototype
402 Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
404 * rtl.h (insn_first_p): Don't declare.
405 * rtlanal.c (insn_first_p): Delete.
406 * loop.c (loop_insn_first_p): Faster implementation.
408 Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com)
410 * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236].
411 (TARGET_3, TARGET_6): Delete.
412 (ARM_FLAG_ARM[36]): Delete.
413 (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more.
414 (CC1_SPEC): Don't expand -m[236] into new equivalents.
415 (CPP_APCS_PC_SPEC): No need to handle -m[236] any more.
416 * arm.c (arm_override_options): Delete warnings about deprecated
419 * arm.c (arm_finalize_pic): Build the label into the special pic
420 adjustment insn instead of issuing it separately.
421 * arm.md (pic_add_dot_plus_eight): Rework to contain the label
424 * arm.md (*zeroextractqi_compare0_scratch): Delete.
425 (*ne_zeroextractsi): New pattern.
427 Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
429 * stmt.c (expand_end_loop): Grok code emitted by
430 expand_exit_loop_if_false.
432 Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com>
434 * config/arm/arm.c (return_in_memory): Float fields in unions
435 force a return in memory.
436 (load_multiple_sequence): Add comment explaining why two LDR
437 instructions can be better than an LDMIA instruction.
439 * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment
440 describing the real meaning of this option.
441 (FIXED_REGISTERS): Default r10 to not-fixed.
442 (CALL_USED_REGISTERS): Default r10 to not-call-used.
443 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define
445 (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is
446 true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after
447 performing other checks.
449 * config/arm/arm.md (zero_extendhisi2): Undo previous change.
450 (extendhisi2): Undo previous change.
451 Also add comments describing why TARGET_SHORT_BY_BYTES can be
452 ignored for armv4(t) architectures.
454 * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE):
457 * config/arm/riscix1-1.h
458 (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10.
460 Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
462 * cse.c (dump_class): Make the function definition static to match
465 Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com>
467 * dbxout.c (gstab.h): Use if CROSS_COMPILE.
469 * dwarf2out.c (add_location_or_const_value_attribute): Add big
470 endian correction for parms passed in regs but living on the stack.
472 Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com)
474 * calls.c (initialize_argument_information): New function extracted
476 (expand_call): Use initialize_argument_information. Remove variables
477 which are no longer used due to cleanups.
479 * calls.c (compute_argument_block_size): New function, extracted from
481 (expand_calls): Use compute_argument_block_size. Delete
482 original_args_size, use unadjusted_args_size instead.
484 * calls.c (precompute_arguments): New function, extracted from
486 (expand_call): Use precompute_arguments.
488 * calls.c (finalize_must_preallocate): New function, extracted from
490 (expand_call): Use finalize_must_preallocate.
492 * calls.c (store_one_arg): Mark "variable_size" as possibly unused.
494 * regclass.c (record_reg_classes, case 'p'): Set classes appropriately.
495 An alternative always fails if it needs a pseudo and no suitable
496 register class can be found.
498 Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
500 * loop.h (loop_insn_first_p): Declare.
501 * loop.c (loop_insn_first_p): No longer static.
502 * unroll.c (iteration_info) Fix comparison to
503 reg_iv_type->num_elements.
504 Before accessing reg_biv_class, check index against
506 Fix and enable code for giv iterators.
507 (loop_iterations): Compare with reg_iv_type->num_elements instead
508 of with max_reg_before_loop.
510 Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
512 * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno.
514 Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
516 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use
517 PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC.
519 Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com>
521 * config/i386/i386.md: fix typoe.
523 Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com>
525 * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 &&
526 frame_pointer_needed adjust frame size.
527 (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted
529 Frm Jim Wilson <wilson@cygnus.com>:
530 * mips.c (function_prologue): Adjust frame size in .frame pseudo-op
531 when TARGET_MIPS16 && frame_pointer_needed.
533 1999-02-22 Nick Clifton <nickc@cygnus.com>
535 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
536 Add -mno-sched command line switch to disable scheduling of
537 instructions into the function's prologue.
538 (enum processor_type): Remove.
539 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
540 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
541 fields with 'processors' field.
542 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
543 checking is not enabled.
544 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
546 * config/arm/arm.c: (arm_cpu): Remove.
547 (tune_flags): Remove.
548 (arm_is_strong): New variable: true iff the target processor is a
550 (arm_is_6_or_7): New variable: true iff the target processor is an
552 (arm_select): Fields reorganised.
553 (struct processors): processor_type field removed.
555 (all_cores): New array: Definitions of all known ARM cpu cores.
556 (all_architectures): New array: Definitions of all known ARM
559 (FL_SCHED): New processor flag: processor required load
561 (FL_STRONG): New processor flag: processor is a StrongARM.
562 (arm_override_options): Reorganised to make code clearer.
563 (use_return_insn): Test for "not (TARGET_APCS and
564 frame_pointer_needed)".
565 (arm_return_in_memory): Improve handling of structures.
567 * config/arm/arm.md: Remove "cpu" attribute. Replace with
568 "is_strongarm" and "is_arm_6_or_7" attributes.
569 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
571 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
573 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
575 1999-02-22 Philip Blundell <philb@gnu.org>
577 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
578 definition with one including cache synchronisation.
579 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
580 Move definition of inhibit_libc to...
581 * config/arm/xm-linux.h: ... here.
583 * config/arm/t-linux: Disable multilib configurations since the
584 only effect for most people is to cause builds to fail.
586 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
587 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
589 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
590 (HANDLE_SYSV_PRAGMA): Likewise.
591 (LIB_SPEC): Copy definition from generic Linux files.
592 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
593 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
594 (DWARF2_DEBUGGING_INFO): Define.
595 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
597 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
599 * loop.c (libcall_other_regs): Make extern.
600 * rtl.h (find_last_value): Add parameter to prototype.
601 (libcall_other_reg): Add extern declaration.
602 * rtlanal.c (find_last_value): Add another parameter to allow
603 a definition using a hardware register to be found as well.
605 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
607 * cse.c (dump_class): New function.
608 (invalidate_memory): Fix typo in comment.
609 * function.c (temp_slot): Add an alias set field.
610 (assign_stack_temp): Only reuse slots if they will have the
611 same alias set as before.
612 (combine_temp_slots): Don't combine if -fstrict-aliasing;
614 * rtl.c (copy_rtx): Copy all the flags (in particular,
617 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
619 * configure.in (i[34567]86-*-linux-gnu*,
620 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
621 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
624 * configure: Rebuilt.
626 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
629 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
631 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
632 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
633 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
636 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
638 * objc/objc-act.c (encode_type): Temporary revert to the old
639 behavior of encoding types as the new one seems to break the
640 encoding of bitfields.
642 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
643 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
645 * Makefile.in (all.internal, all.cross): Depend on `doc'
646 target, to ensure docs get made before installation.
649 Decrease spurious warnings from -fsyntax-only:
650 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
652 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
654 * c-lex.c (yylex): Replace warning about integer constants being
655 larger than long-longs, with a warning about integer constants
656 being larger than the largest target integer.
658 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
660 Fix -fsyntax-only ICEs:
661 * varasm.c (assemble_zeros, assemble_variable,
662 output_constant_def): Do nothing when -fsyntax-only.
664 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
666 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
667 * configure: Rebuilt.
669 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
671 * version.c: Bump for snapshot.
673 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
675 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
676 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
677 * tm.texi: Update docs for constructors and destructors.
679 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
681 * genattrtab.c (check_attr_value): Allow negative const_int if
682 negative_ok. Accept integral arithmetic operators. Accept
683 direct references to other attributes. Accept symbol_ref in
684 non-constant attributes.
685 (max_attr_value): Add new argument `unknownp'. Update all callers.
686 (or_attr_value): Likewise.
687 (simplify_knowing): Don't optimize if max_attr_value unknown.
688 (write_length_unit_log): Likewise with or_attr_value.
689 (find_and_mark_used_attributes): Don't fallthru case.
690 (write_attr_set): Pass thru all non-cond expressions.
691 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
693 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
695 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
697 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
699 * regmove.c (discover_flags_reg): Remove cc0 code.
700 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
701 a potential flags register was identified.
703 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
705 * rs6000.md (scc plus ltu): Fix typo in last change.
707 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
709 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
711 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
713 * regmove.c (discover_flags_reg): New function.
714 (flags_set_1, mark_flags_life_zones): New functions.
715 (regmove_optimize): Call them.
716 (fixup_match_1): Use insn modes rather than sets_cc0_p.
718 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
720 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
722 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
723 Use loop_insn_first_p.
725 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
726 David Edelsohn <edelsohn@mhpcc.edu>
728 * rs6000.md (scc plus eq): Fix output template.
729 (scc plus ltu): Fix output template and collapse variants
730 correcting early clobbers.
731 (scc plus geu): Fix output template.
732 (scc plus gt): Fix output template.
733 (scc plus gtu): Fix output template and collapse variants.
735 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
737 * cppinit.c (print_help): Remove unescaped newline in string.
739 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
741 * loop.c (strength_reduce): Check for intervening jumps when
742 converting biv increment to giv.
744 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
746 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
747 * expr.c (expand_expr): Support new tree nodes.
749 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
751 * config/m68k/m68k.c (m68k_align_loops_string,
752 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
753 * config/m68k/m68k.h (m68k_align_loops_string,
754 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
756 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
760 * bitmap.h (bitmap_print): Likewise.
762 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
764 * c-lang.c (build_objc_string): Likewise.
766 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
767 limits.h or ctype.h. Remove unused variable `p'.
769 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
771 * c-pragma.c (handle_pragma_token): Likewise.
773 * c-pragma.h (handle_pragma_token): Likewise.
775 * c-tree.h (build_objc_string, builtin_function, grokfield,
776 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
777 pedwarn_init): Likewise.
779 * c-typeck.c (convert_for_assignment, warn_for_assignment,
780 push_string, warning_init, incomplete_type_error,
781 build_indirect_ref, lvalue_or_else, readonly_warning,
782 build_c_cast, spelling, push_member_name, print_spelling,
783 error_init, pedwarn_init, start_init): Likewise.
785 * objc/objc-act.c (build_objc_string): Likewise.
787 * print-tree.c (print_node_brief, print_node): Likewise.
789 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
791 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@mhpcc.edu>
793 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
795 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
797 * configure.in :Handle OpenBSD platforms.
798 * configure: Rebuilt.
799 * config/openbsd.h: New file.
800 * config/xm-openbsd.h: New file.
801 * config/t-openbsd: New file.
802 * config/t-openbsd-thread: New file.
804 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
806 * function.c (assign_stack_temp_for_type): Round SIZE before calling
807 assign_stack_local for BLKmode slots.
809 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
811 * loop.c (strength_reduce): For derived givs, replace the
812 giv this was derived from with its new_reg.
813 (recombine_givs): Don't set new_reg for derived giv.
814 And don't print it, print SUM instead.
816 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
818 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
820 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
822 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
823 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
825 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
826 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
827 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
828 cpp_pending, version_string, struct default_include,
829 include_defaults_array, path_include, cpp_options_init,
830 dump_special_to_buffer, initialize_builtins, cpp_start_read,
831 cpp_reader_init, nreverse_pending, push_pending, print_help,
832 cpp_handle_option, cpp_handle_options, cpp_finish,
833 cpp_cleanup): Move to cppinit.c.
834 (macro_cleanup, struct arglist, collect_expansion,
835 create_definition, compare_defs, comp_def_part, ARG_BASE,
836 struct argdata, macarg, change_newlines, timestamp,
837 monthnames, special_symbol, unsafe_chars, macroexpand,
838 push_macro_expansion): Move to cpphash.c.
839 (quote_string, check_macro_name, cpp_expand_to_buffer,
840 output_line_command, cpp_undef): Export.
841 (null_underflow, null_cleanup, handle_directive): Make static.
843 * cpplib.h: Prototype now-exported functions. Adjust decls of
844 syntax tables so we can include cpplib.h in cppinit.c.
845 * cpphash.h: Prototype all functions exported by cpphash.c.
846 * cppinit.c: Make syntax tables initialized data if possible
847 (uses GCC designated-initializer extension).
848 * cppexp.c: Make cpp_lex static.
849 * Makefile.in: Move -D switches for the various include dirs
850 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
852 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
854 * alpha/openbsd.h: New file.
855 * alpha/xm-openbsd.h: New file.
856 * sparc/openbsd.h: New file.
857 * sparc/xm-openbsd.h: New file.
858 * m68k/openbsd.h: New file.
859 * m68k/xm-openbsd.h: New file.
860 * i386/openbsd.h: New file, originally from netbsd.
861 * i386/xm-openbsd.h: New file.
863 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
865 * Makefile.in: Correct dependencies for cpplib object files.
867 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
869 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
872 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
874 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
877 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
879 * tree.c (tree_node_kind_names, print_obstack_name,
880 get_identifier, maybe_get_identifier, build_string,
881 build_expr_wfl, is_attribute_p, lookup_attribute,
882 print_obstack_statistics, get_file_function_name_long, tree_check,
883 tree_class_check, expr_check): Qualify a char* with the `const'
886 * tree.h (get_identifier, maybe_get_identifier, build_string,
887 build_expr_wfl, is_attribute_p, lookup_attribute,
888 print_obstack_statistics, print_obstack_name, tree_check,
889 tree_class_check, expr_check): Likewise.
891 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
893 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
896 * calls.c (store_one_arg): Mark any slots used for the argument
897 as in-use immediately after we're done saving any slots which
898 will be overwritten by this argument.
900 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
902 * rs6000.md (call_value): Fix typo.
904 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
906 * loop.c (strength_reduce): Calculate maybe_dead before
907 calling recombine_givs.
909 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
911 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
913 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
915 * objc/objc-act.c (encode_type): Encode the type instead of
916 encoding the mode of the type (patch from Richard Frith-Macdonald
917 <richard@brainstorm.co.uk>).
919 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
921 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
922 instruction killed in previous change. Simplify mask generation.
923 (*zeroextractsi_compare0_scratch): Simpify mask generation.
925 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
927 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
928 bitfield does not overflow a byte boundary.
930 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
932 * c-common.c (shorten_compare): Get the min/max value from the
933 underlying type of an enumeration, not the enumerated type itself.
935 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
937 * jump.c: Include insn-attr.h.
938 (delete_computation): If reload has completed and insn scheduling
939 after reload is enabled, then do not depend on REG_DEAD notes.
940 * Makefile.in (jump.o): Depend on insn-attr.h.
942 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
944 * i386.md (addsi3): Allow lea for any constant_p.
946 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
948 * toplev.c (documented_lang_options): Remove -fident and
949 -fnoident, which are now handled by the language independent
952 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
954 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
956 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
957 list in malloced memory for the buffer stack.
958 (cpp_get_token): Don't pop the last buffer off the stack.
959 Calls after CPP_EOF has been returned produce CPP_EOF with no
961 (cpp_finish): Pop last buffer here.
962 (do_line): Don't free ip->last_nominal_fname if it is equal to
964 (special_symbol): If a T_CONST is the empty string, push a
965 single `@ ' escape instead.
966 (macroexpand): Special symbol buffers have escapes too.
967 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
969 (struct cpp_reader): Remove buffer_stack. Add
971 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
974 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
976 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
977 WIDE_INT with WIDEST_INT.
980 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
981 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
982 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
983 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
984 definition of variable `c89' when compiling a test binary and set it.
986 * system.h: Don't define the PRINTF_PROTO_* macros.
988 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
990 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
991 we do not understand, mark the loop and containing loops as invalid.
993 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
995 * alias.c (init_alias_analysis): Avoid self-referential value
996 when setting reg_known_value from REG_EQUAL notes.
998 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
1000 * i386.c (legitimate_address_p): Verify modes of base and index.
1002 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
1004 * i386.c (legitimate_pic_address_disp_p): Remove static.
1005 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
1008 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
1010 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
1011 * explow.c (probe_stack_range): Likewise.
1012 * expmed.c (do_cmp_and_jump): Likewise.
1013 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
1014 (do_tablejump): Likewise.
1015 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
1016 (do_jump_if_equal, emit_case_nodes): Likewise.
1017 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
1018 then convert comparison to an unsigned code before emitting the jump.
1019 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
1021 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
1023 * version.c: Bump for snapshot.
1025 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1027 * version.c: Bump for snapshot.
1029 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
1031 * loop.c: Disable recent loop changes. Temporary as Joern
1032 continues to fix problems.
1034 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
1036 * loop.c (combine_givs_used_by_other): Delete.
1037 (combine_givs_benefit_from): Delete.
1038 (combine_givs): Deny combination of givs only used once. Simplify
1039 code with the death of combine_givs_benefit_from.
1041 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1043 * loop.c (scan_loop): Call reg_in_basic_block_p before
1044 loop_reg_used_before_p.
1046 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
1048 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
1052 * arm.h (TARGET_OPTIONS): Reformat for clarity.
1053 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
1054 in the constant pool aren't valid.
1055 (LEGITIMATE_PIC_OPERAND_P): Likewise.
1057 * arm.c: Include "system.h", not stdio.h and string.h.
1059 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
1061 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
1062 (optimize_tail_recursion): Change return type from void to int.
1063 Add return statements.
1064 * tree.h (optimize_tail_recursion): Change prototype to match.
1066 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1068 * reload.c (find_reloads_subreg_address): New function, broken out of
1069 find_reloads_toplev.
1070 (find_reloads_toplev, find_reloads_address_1): Use it.
1072 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
1074 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
1075 extending a CONST_INT.
1077 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
1079 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1081 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
1083 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
1085 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1087 * loop.c (load_mems): Don't guess how to do a load / store, use
1090 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1092 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
1094 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1096 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
1098 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
1100 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
1101 pseudo which is homed in the stack.
1103 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
1104 (compute_frame_size): Change loop over FP regs to be consistent
1105 with the loop in save_restore_insns.
1107 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
1109 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
1110 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
1112 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
1114 * mn10200.md (bset); Re-enable.
1116 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1118 * sh.md (is_sfunc): New attribute.
1119 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
1121 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
1123 * fold-const.c (range_binop): Take account of the bounded nature
1124 of fixed length arithmetic when comparing unbounded ranges.
1126 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
1128 * function.c (assign_stack_temp_for_type): Clear best_p
1129 when an exact match is found.
1131 * i386.h (LOCAL_ALIGNMENT): Define.
1132 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
1133 (assign_stack_temp_for_type): New function based on assign_stack_temp.
1134 (assign_stack_temp): Call it.
1135 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
1136 * stmt.c: Use assign_temp, not assign_stack_temp.
1137 * tm.texi: Document LOCAL_ALIGNMENT.
1139 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
1141 * reorg.c: Finish deleting half-deleted comment.
1143 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
1145 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
1147 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
1149 * real.c (endian): Delete sign extension code.
1150 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
1151 replaced with operand_subword call.
1153 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
1155 * alpha.md (cmov compound patterns): Delete. Jump can now
1156 create the correct constructs in the first place.
1158 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
1160 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
1162 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
1164 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
1166 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
1168 * tmp-emsgids.c: Delete.
1170 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
1172 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
1175 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
1177 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
1179 * reload1.c (reload_combine_note_store): Second argument is no
1180 longer unused/ignored. Handle multi-register hard regs.
1181 (move2add_note_store): Simplify.
1183 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
1185 * collect2.c (collect_execute): Remove cygwin-specific code.
1187 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
1189 * system.h (_, N_): Remove dummy i18n macros.
1190 * protoize.c: Move inclusion of intl.h to after system.h.
1191 * cexp.y: Include intl.h.
1194 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
1196 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
1197 fpic/fPIC for windows32 targets.
1198 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
1200 * i386/mingw32.h (CPP_SPEC): Define.
1201 (CPP_PREDEFINES): Add MINGW32 version id.
1202 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
1204 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
1205 add missing exeext to target.
1207 * gcc.c (convert_filename): Handle null filename argument.
1209 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1211 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
1212 m constraint instead of QT.
1214 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
1216 * cpplib.c (special_symbol): Move IP to be declared in function
1217 scope, rather than individual case statements.
1219 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1221 * cppfiles.c (finclude): Handle pipes properly under old BSD
1224 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
1226 * system.h: Provide fallback definitions for S_ISCHR,
1227 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
1229 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1231 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
1233 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
1235 * configure.in: For PowerPC configurations, accept "401", "ec603e",
1236 "740", and "750" as valid arguments to --with-cpu.
1237 * configure: Rebuilt.
1239 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
1241 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
1242 * configure: Rebuilt.
1244 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
1246 * rs6000.md: Revert "alternate use of crs if cr0 not available"
1247 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
1249 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
1251 * output.h (current_function_has_computed_jump): Rename from
1252 current_function_addresses_labels.
1253 * function.h (struct function): Likewise for addresses_labels member.
1254 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
1255 * function.c (current_function_has_computed_jump): Likewise.
1256 Update all references.
1257 * integrate.c (function_cannot_inline_p):
1258 Test current_function_has_computed_jump instead of addresses_labels.
1259 (initialize_for_inline): Likewise save.
1260 (output_inline_function): Likewise restore.
1262 * expr.c (expand_expr): Don't reference addresses_labels variables.
1263 * stmt.c (expand_computed_goto): Set has_computed_jump.
1265 1999-02-08 Michael Meissner <meissner@cygnus.com>
1267 This is being installed only to get it into the repository to help
1268 with the revert, resubmit & review process for the massive rs6000.md
1270 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
1272 (anddi3_internal1): Ditto.
1273 (andsi3_internal{2,3}): Correct some insn lengths.
1274 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
1277 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
1279 * loop.c (reg_single_usage): New file-scope variable ...
1280 (scan_loop): ... moved out of here. Always initialize.
1281 Test loop_has_call instead of reg_single_usage not zero.
1282 Free reg_single_usage after strength reduction.
1283 (count_loop_regs_set): Assume single_usage non-zero.
1284 (combine_givs_used_by_other): Test reg_single_usage.
1285 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
1286 as a parameter. Assume non-zero.
1288 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
1290 * cpplib.c (special_symbol): Rewrite. Don't copy things
1291 multiple times. Handle __STDC__ specially. T_CONST
1292 indicates a constant /string/. Don't handle T_*_TYPE and
1293 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
1294 adjust_position. Determine the file buffer only if needed.
1295 (initialize_builtins): Handle __SIZE_TYPE__,
1296 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
1297 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
1298 Don't provide __OBJC__; the driver does that. Provide
1299 __STDC_VERSION__, using T_CONST. Use T_STDC for
1300 __STDC__. Give install the length of all symbols defined.
1301 (eval_if_expression): Drop code to insert and remove the
1302 "defined" special symbol.
1304 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
1305 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
1307 * cpphash.c (install): Drop the `ivalue' parameter. Constify
1308 the `value' parameter. All callers changed.
1309 * cpphash.h (install): Change prototype to match.
1310 (union hashval): Remove `ival' member.
1311 * cppexp.c (cpp_lex): Handle `defined' here.
1313 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
1315 * pa.h (EXTRA_CONSTRAINT): Fix comment.
1317 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1319 * c-typeck.c (check_init_type_bitfields): Use nonincremental
1320 initialization of unions whose first member is a bitfield.
1321 Remove unnecessary code for checking the declaration mode
1322 after DECL_C_BIT_FIELD.
1324 * varasm.c (output_constructor): Additional comment about the
1325 constructor of bitfield union initialization.
1327 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1329 * config/c4x/c4x.md (*movhi_stik): New pattern.
1330 (movhi): Allow some immediate constants to be directly
1333 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1335 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
1336 (call, call_value): Force address into a register if not valid
1337 for a call instruction.
1338 (load_immed_address): Emit a USE of the SYMBOL_REF that is
1340 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
1342 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1344 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
1345 Rename from call_operand and symbolic_operand respectively. All
1347 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
1349 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
1351 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
1353 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1355 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
1356 LO_SUM address for HImode or HFmode but instead force address into
1357 a register so that it is offsettable.
1358 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
1360 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1362 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
1363 REG+REG addressing if strength reduction enabled.
1365 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1367 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
1368 (TARGET_LIBGCC2_CFLAGS): Define.
1370 1999-02-08 Nick Clifton <nickc@cygnus.com>
1372 * config/v850/v850.md: Replace \\n\\t with \\;
1374 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
1375 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
1376 Enforce TARGET_LONG_CALLS option.
1378 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
1380 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
1382 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
1384 * m88k/t-luna-gas: Remove bash dependency.
1386 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
1388 * collect2.c (xrealloc): Fix typo in last change.
1390 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
1392 * version.c: Bump for snapshot.
1394 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
1396 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
1397 that we do not want macro replacement within a character constant.
1398 (TYPE_CHECK1): Likewise.
1400 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
1402 * tree.h (DECL_P): New macro.
1404 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1406 * version.c: Bump for snapshot.
1408 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
1410 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
1412 * README.g77, gcc.c, gcc.texi: Update email addresses.
1413 * invoke.texi system.h: Likewise.
1415 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
1417 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
1418 to convert dest_reg to new_reg.
1420 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
1422 * reload1.c (reload_combine_note_store): Be more careful with
1423 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
1424 (move2add_note_store): Likewise.
1426 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1428 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
1429 U_CHAR* when assigning to one. Ensure the values of a ?: operator
1432 * cppinit.c (initialize_char_syntax): Use K&R function definition.
1434 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
1437 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
1438 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
1439 (TARGET_CPU_DEFAULT): Rework to support ARM9.
1440 (CPP_CPU_ARCH_SPEC): Likewise.
1441 (enum processor_type): Likewise.
1442 * config/arm/arm.md (attr cpu): Add arm9.
1444 General scheduling changes
1445 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
1446 (max_insns_skipped): New variable.
1447 (arm_override_options): If generating hard floating point code for
1448 the FPA, emit code for version 3.
1449 When optimizing for space, don't synthesize constants.
1450 Reword several flags based on the requested processor and optimization
1452 (use_return_insn): New argument iscond, all callers changed. Don't
1453 use a return insn if it will be conditional and that would be
1454 expensive; eg on StrongARM.
1455 (arm_adjust_cost): Anti- and output- dependencies normally have no
1457 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
1458 the sequence is short.
1459 (final_prescan_insn): Use max_insns_skipped instead of
1460 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
1461 conditional, and aviod this if it would be expensive.
1462 * config/arm/arm.md (scheduling attributes and function units):
1463 Rewrite to better describe ARM8, 9 and StrongARM.
1465 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
1467 (*ifcompare_plus_move): Use arm_rhs_operand in place of
1468 arm_rhsm_operand. Rework constraints.
1469 (*if_plus_move): Likewise.
1470 (*ifcompare_move_plus): Likewise.
1471 (*if_move_plus): Likewise.
1472 (*ifcompre_arith_move): Likewise.
1473 (*if_arith_move): Likewise.
1474 (*ifcompare_move_arith): Likewise.
1475 (*if_move_arith): Likewise.
1477 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
1479 1999-02-05 Michael Meissner <meissner@cygnus.com>
1481 * loop.c (check_dbra_loop): A store using an address giv for which
1482 we have no life information is not reversible.
1484 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
1486 * function.c (fixup_var_refs): Scan catch_clauses too.
1488 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
1490 * c-common.c (decl_attributes): Fix reserved space for init_priority.
1491 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
1493 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
1495 * loop.c (strength_reduce): Clear not_every_iteration when
1496 passing the NOTE_INSN_LOOP_CONT note.
1498 * haifa-sched.c (add_dependence): Do not add a dependency on a
1501 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
1503 * recog.c (split_block_insns): Only call update_flow_info if
1504 instruction scheduling is enabled.
1506 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1508 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
1510 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1512 * loop.c (first_loop_store_insn): New file-scope variable.
1513 (prescan_loop): Set it.
1514 (check_dbra_loop): Check if a store depends on a register
1515 that is set after the store.
1517 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1519 * unroll.c (entire file): Remove tabs / spaces at end of lines.
1520 Replace spaces with tabs where appropriate.
1522 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1524 * loop.c (scan_loop): New argument loop_cont. Changed caller.
1525 (strength_reduce): New argument loop_cont. Changed caller.
1526 Before clearing not_every_iteration after a label, check if
1527 we are not already past LOOP_CONT.
1529 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1531 * cpperror.c (cpp_print_containing_files): Fix formatting
1532 bug induced by merge.
1534 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1536 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
1537 (cpp_define): Remove redundant syntax checks.
1538 (make_assertion): Rename cpp_assert, remove redundant syntax
1540 (cpp_options_init): Don't init things to zero twice.
1541 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
1542 (do_include): Kill excessively verbose #import warning that
1543 snuck back in in the gcc2 merge.
1544 (convert_string): Removed.
1545 (do_line): Rewrite with simple last-name-used cache instead of
1547 (cpp_start_read): Call initialize_char_syntax here, not...
1548 (cpp_reader_init): ...here.
1549 (cpp_handle_options): Support the -std switch.
1550 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
1551 (cpp_options): Add c9x flag.
1552 Declare all the is_* tables and trigraph table here, as const.
1553 Prototype cpp_assert and initialize_char_syntax.
1554 * cppinit.c: New file.
1555 * cppfiles.c (read_and_prescan): Optimize.
1556 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
1558 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
1560 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
1561 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
1562 before calling gen_div_trap.
1564 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
1566 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
1567 than numeric value for target_cpu_default..
1568 * configure: Rebuilt.
1570 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
1572 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
1573 mkstemp. Get them from libiberty.
1574 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
1575 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
1576 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
1577 (mkstemp.o, getopt1.o, getopt.o): Likewise.
1579 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
1581 * pa-hpux.h (LINK_SPEC): Likewise.
1582 * pa-hpux10.h (LINK_SPEC): Likewise.
1583 * pa-hpux9.h (LINK_SPEC): Likewise.
1584 * pa-osf.h: (LINK_SPEC): Likewise.
1585 * pa-pro.h (TARGET_DEFAULT): Likewise.
1586 * pa1.h (TARGET_DEFAULT): Likewise.
1587 * pa.h (MASK_*): New defines.
1588 (TARGET_*): Use symbolic values rather than numeric values.
1589 (TARGET_SWITCHES): Likewise.
1590 (TARGET_DEFAULT): likewise.
1591 (CPP_SPEC): likewise.
1593 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1595 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
1596 * reload.c (find_reusable_reload): New function, broken out of
1597 push_reload. Add code to verify that none of the involved
1598 outputs are subject to earlyclobbers.
1599 (push_reload): Break out new function find_reusable_reload.
1600 Delete "register" keyword for IN, OUT args.
1602 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
1604 * config/mips/mips.c (true_reg_or_0_operand) : New function.
1605 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
1606 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
1607 Use true_reg_or_0_operand for div_trap.
1609 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1611 * loop.h (express_from): Declare.
1612 (struct induction): Replace derived flag with derived_from pointer.
1613 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
1614 (express_from): No longer static.
1615 * unroll.c (find_splittable_givs): Replace derived with derived_from.
1616 When processing an address giv with which another giv has been
1617 combined that has also been derived from a third giv, handle like
1618 having combined with the third giv.
1619 Set splittable_regs_updates appropriately for derived givs.
1621 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
1623 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
1625 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
1627 * pa.c (insn_sets_and_refs_are_delayed): New function.
1628 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
1629 (INSN_REFERENCES_ARE_DELAYED): Likewise.
1631 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
1633 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
1634 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
1635 (TARGET_LIBGCC2_CFLAGS): Define.
1636 (LIBGCC2_DEBUG_CFLAGS): Define.
1637 * config/arm/t-netbsd: Likewise.
1638 * config/arm/t-semi: Likewise.
1639 * config/arm/t-semiaof: Likewise.
1640 * config/arm/t-riscix: Likewise.
1642 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1644 * config/m68k/m68k.c (print_operand_address): When printing a
1645 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
1647 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
1649 * i386/freebsd*.h now allows '$' in label names and does not use the
1650 PCC struct return method.
1652 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
1654 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
1655 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
1656 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
1657 names if host == target.
1658 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
1659 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
1660 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
1661 setting them to *_FOR_TARGET.
1662 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
1665 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1667 * toplev.h (read_integral_parameter): Declare.
1668 * toplev.c (read_integral_parameter): New function.
1670 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
1672 * resource.c, resource.h: New files.
1673 * Makefile.in (OBJS): Add it.
1675 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
1676 (split_block_insns): Moved to recog.c.
1677 (update_flow_info): Make public.
1678 * rtl.h: Declare them.
1680 * reorg.c: Moved the functions dealing with computing resource
1681 usage to resource.c.
1683 * sched.c (regno_use_in): Moved to rtlanal.c.
1684 (update_flow_info): Make public.
1685 (schedule_insns): Use split_block_insns.
1687 * recog.c (split_block_insns): New function.
1689 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
1691 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
1692 (LINK_OS_DEFAULT_SPEC): Delete, unused.
1694 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
1696 * configure.in (arm-*-oabi): Support.
1697 * configure: Regenerate.
1698 * config/arm/unknown-elf-oabi.h: New file.
1700 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
1702 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
1703 Make the anonymous pattern match when ! optimize_size.
1704 (ashlsi3 size optimizer): New pattern.
1706 * intl/Makefile.in (uninstall): Add missing "; \".
1708 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
1710 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
1713 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1715 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
1716 to after find_and_verify_loops call.
1718 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1720 * (recombine_givs): Don't use a giv that's likely to be dead to
1723 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
1724 wrap around when deriving givs.
1726 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
1728 * recog.c (check_asm_operands): Treat indeterminate operand ok
1729 results as success. Try harder to resolve a matching constraint.
1730 * stmt.c (expand_asm_operands): Recognize when an output operand's
1731 constraint does not allow memory. Treat indeterminate operand ok
1732 results as failure. Try harder to resolve a matching constraint.
1734 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
1736 Use varrays for constant-equivalence data:
1738 * varray.h (struct const_equiv_data): New type.
1739 (union varray_data_tag): New element const_equiv.
1740 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
1741 (VARRAY_SIZE): New macro, returns number of elements.
1742 * integrate.h: Include varray.h.
1743 (struct inline_remap): Replace const_equiv_map, const_age_map and
1744 const_equiv_map_size with a const_equiv_varray element.
1745 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
1747 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
1748 simultaneously, growing the varray if needed.
1750 * integrate.c (global_const_equiv_map,
1751 global_const_equiv_map_size): Deleted, replaced by....
1752 (global_const_equiv_varray): New variable.
1753 (expand_inline_function): References changed.
1754 * integrate.h: Update declarations.
1756 * integrate.c (process_reg_parm, expand_inline_function,
1757 copy_rtx_and_substitute, try_constants, subst_constants,
1758 mark_stores): Use varray allocation and accessor macros, new
1759 integrate.h macros, and global_const_equiv_varray. Don't
1760 conditionalize non-NULL stores on array size; instead, expand the
1762 * unroll.c (unroll_loop): Likewise.
1764 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
1765 zero. After allocating varray, always exit through bottom of
1766 function, where it can be deallocated if needed. Don't explicitly
1767 reallocate const_equiv_map storage; instead, just ensure the
1768 varray has been initialized, and update the global reference.
1770 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1772 * system.h (inline, const): Handle these for stage2 (and later) gcc.
1774 * dwarf2out.c (inline): Don't define.
1776 * dwarfout.c (inline): Likewise.
1778 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
1780 * loop.c (recombine_givs): Dump recombination and derivation data.
1782 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
1784 * flags.h: Declare flag_no_ident.
1785 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
1786 * c-tree.h: Don't declare flag_no_ident.
1787 * c-decl.c: Don't define flag_no_ident. Don't process
1788 -f(no-)ident switches here.
1790 * config/elfos.h (ASM_FILE_END): Output final .ident directive
1791 only if !flag_no_ident.
1792 * config/ptx4.h: Likewise.
1793 * config/svr4.h: Likewise.
1794 * config/alpha/elf.h: Likewise.
1795 * config/arm/linux-elf.h: Likewise.
1796 * config/i386/sco5.h: Likewise.
1797 * config/i860/fx2800.h: Likewise.
1798 * config/mips/gnu.h: Likewise.
1799 * config/i386/osfrose.h: Likewise.
1801 * gcc.c (C specs): Map -Qn to -fno-ident.
1802 * objc/lang-specs.h: Likewise.
1804 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1806 * configure.in: Don't remove loop.o and unroll.o when
1807 enable-haifa is selected.
1808 * configure: Rebuilt.
1810 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
1812 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
1813 movxfcc, movdicc): Delete unconstrained alternatives.
1814 * i386.c (output_fp_conditional_move,
1815 output_int_conditional_move): Delete unused case.
1817 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1819 * version.c: Bump for snapshot.
1821 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
1823 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
1824 instead of bis and cpys. Combine alternatives where possible.
1826 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1828 * gcov.c (fnotice): Add missing FILE* parameter.
1829 (function_summary): Fix format specifiers in calls to `fnotice'.
1830 (output_data): Likewise.
1832 * toplev.c (fnotice): Constify char* parameter.
1834 * toplev.h (fnotice): Add prototype.
1835 Wrap prototype with BUFSIZ to protect FILE* usage.
1837 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1839 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
1841 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
1843 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
1845 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
1846 function definition.
1847 (aliases_everything_p, write_dependence_p):Likewise.
1849 * install.texi: Fix merge lossages.
1851 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
1853 * collect2.c (main): Likewise.
1854 * cppmain.c (main): Likewise.
1855 * gcc.c (main): Likewise.
1856 * gcov.c (main): Likewise.
1857 * protoize.c (main): Likewise.
1858 * toplev.c (main): Likewise.
1860 * pa.md (parallel shift and shiftadd): Mark output of shift as an
1863 * loop.c: Disable recent loop changes. Temporary as Joern
1864 continues to fix problems.
1866 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1868 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
1870 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
1872 * emit-rtl.c (remove_insn): New function.
1873 * rtl.h (remove_insn): Add prototype.
1874 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
1876 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1878 * loop.c (recombine_givs): Don't try to derive givs that have combined.
1880 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1882 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
1883 when declaring arguments and calling va_arg() to initialize them.
1885 * collect2.c (notice): Likewise.
1887 * loop.c (find_life_end): Use PROTO() macro in the prototype.
1889 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1891 * collect2.c (error): Fix typo in declaration.
1893 * cpperror.c (cpp_message): Likewise.
1895 * cpplib.c (cpp_warning): Likewise.
1897 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
1900 * toplev.c (error): Fix typo in declaration.
1902 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1904 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
1905 forward from cont dominator.
1907 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1909 * cccp.c (eprint_string): Constify a char*.
1910 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1911 (vnotice): Constify a char*.
1912 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1913 (verror): Constify a char*.
1914 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1915 (vwarning): Constify a char*.
1916 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
1918 (verror_with_line): Constify a char*.
1919 (vwarning_with_line): Likewise.
1920 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
1922 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
1924 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
1925 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
1926 Also correct typo in parameter name declaration.
1927 (make_assertion): Constify a char*.
1928 (quote_string_for_make): Likewise.
1929 (deps_output): Likewise.
1930 (fatal): Likewise. Use PVPROTO not VPROTO, add
1931 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
1932 "__attribute__ ((noreturn))".
1933 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
1934 (pfatal_with_name): Likewise.
1935 (pipe_closed): Likewise.
1936 (memory_full): Likewise.
1938 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1940 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
1941 may_not_optimize to proper size when converting biv increments
1943 If necessary, reallocate reg_iv_type / reg_iv_info before calling
1946 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1948 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
1949 generate complex adds. Changed caller.
1950 Don't generate adds that cost more than the original one.
1951 (strength_reduce): Warning fixes.
1953 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
1955 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
1956 * configure: Rebuilt.
1958 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1960 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
1961 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
1962 * loop.h (varray.h): Include.
1963 (struct induction): Change combined_with to unsigned.
1964 New members derived, ix and last_use.
1965 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
1966 (REG_IV_TYPE, REG_IV_INFO): Define.
1967 (first_increment_giv, last_increment_giv): Declare.
1968 * loop.c (loop_number_loop_cont): New static variable.
1969 (loop_number_cont_dominator): Likewise.
1970 (reg_iv_type, reg_iv_info): Now varray_type.
1971 (first_increment_giv, last_increment_giv): New variables.
1972 (compute_luids, verify_dominator, find_life_end): New functions.
1973 (cmp_recombine_givs_stats, recombine_givs): Likewise.
1974 (loop_optimize): Allocate loop_number_loop_cont and
1975 loop_number_cont_dominator. Use compute_luids.
1976 (find_and_verify_loops): Initialize loop_number_loop_cont and
1977 loop_number_cont_dominator.
1978 (strength_reduce): Try to find bivs that can be expressed as givs
1979 of another biv, and to convert biv increments into givs.
1980 Call recombine_givs. Handle derived givs.
1981 (record_biv): New argument location. All callers changed.
1982 (record_giv): Initialize derived and last_use fields.
1983 (basic_induction_var): New argument location. All callers changed.
1984 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
1985 Increment combined_with instead of setting to 1.
1986 * unroll.c (derived_regs): New static variable.
1987 (unroll_loop): Initialize it.
1988 Allocate local_regno according to max_reg_num.
1989 (copy_loop_body): Cope with derived givs.
1990 (find_splittable_givs): Check for Givs made from biv increments.
1991 Set derived_regs for givs.
1992 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
1994 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1996 * function.c (purge_addressof_1): Handle case when a register
1997 has been used in a wider mode.
1999 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
2001 * cpplib.h (cpp_notice): Add prototype.
2003 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
2005 * Merge gcc2 snapshot 19980929.
2007 * cccp.c (PRINTF_PROTO): Remove.
2008 (PRINTF_PROTO_{1,2,3,4}: Likewise.
2010 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
2012 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
2013 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
2014 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
2016 * gen-protos.c (hashf): Delete in cpphash.o
2017 * gen-protos.c (hashf): Delete in cpphash.o
2019 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
2020 * expmed.c: Likewise.
2021 * rs6000.md: Likewise.
2023 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
2025 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
2027 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
2028 * rs6000.md (movsi, movdi): Likewise.
2030 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
2032 * function.c (expand_function_end): Pass arg_pointer_save_area to
2033 validize_mem before using it. Emit code into a sequence.
2035 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
2037 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
2038 '#' to split patterns. Correct indentation of some new patterns.
2040 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
2042 * cppfiles.c (safe_read): Deleted.
2043 (read_and_prescan): New function, replaces safe_read, converts
2044 and/or warns about trigraphs, silently converts odd line
2045 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
2046 (finclude): Use read_and_prescan; turn off nonblocking mode on
2047 the input descriptor; remove file-size-examination and
2048 no-newline-at-EOF gunk which is longer necessary; be more
2049 careful about checking that we've been handed a legitimate
2050 file to read (only real files, pipes, and ttys are acceptable).
2051 * cpplib.h (cpp_options): Rename no_trigraphs flag to
2052 `trigraphs' and invert its sense.
2053 (trigraph_table): Declare.
2054 (cpp_warning_with_line): Prototype.
2055 * cpplib.c: Remove all references to trigraph_pcp. Define
2056 trigraph_table; initialize it in initialize_char_syntax. Open
2057 files in nonblocking mode. s/no_trigraphs/trigraphs/
2058 throughout, and invert sense. Put cpp_warning_with_line back
2061 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2063 * config/c4x/c4x.h (COUNTER_REGS): New register class.
2064 * config/c4x/c4x.md (*rptb_init): Change constraints.
2065 (rptb_end): Emit alternate looping instructions if
2066 RC register not allocated for loop counter.
2067 (decrement_and_branch_on_count): Allow other registers
2070 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
2072 * cppexp.c (struct arglist): Removed.
2073 (parse_number): Use HOST_WIDE_INT for the accumulator.
2074 Allow two `l' suffixes unless C89. Clean up. Make static.
2075 (parse_charconst): New function broken out of cpp_lex.
2076 Code cleaned up drastically. Don't use a token_buffer.
2077 (token_buffer): Removed.
2078 (cpp_lex): Don't call parse_number on a constant string.
2079 Use parse_charconst.
2080 (cpp_parse_expr): Properly handle an ERROR op returned by
2083 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2085 * cpplib.c: Don't include signal.h, sys/times.h, or
2086 sys/resource.h. Don't declare localtime.
2087 (macroexpand): Handle special symbols here.
2088 (push_macro_expansion): Chop off the trailing '@ ' if possible
2090 (cpp_get_token): Don't do either of the above two things here.
2091 Move `string' label just after case '"' so that wide strings
2092 don't crash the preprocessor.
2094 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
2096 * rs6000.md (left shift + set cr patterns): Add missing '#' to
2098 (move register + set cr pattern): Ditto.
2099 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
2100 inadvertently deleted.
2102 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
2104 * stmt.c (stmt_loop_nest_empty): New function.
2105 * tree.h (stmt_loop_nest_empty): Declare it.
2106 * rtl.def (CALL_PLACEHOLDER): New rtx code.
2108 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2110 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
2112 (c4x_check_legit_addr): Remove USE and PLUS, allow
2113 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
2114 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
2115 CONST cases. Add LO_SUM.
2116 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
2117 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
2118 (c4x_print_operand_address): Handle LO_SUM.
2119 (c4x_scan_for_ldp): Delete. Hooray!
2120 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
2122 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
2124 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
2126 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
2128 (c4x_U_constraint, symbolic_operand): New functions.
2129 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
2130 disable SYMBOL_REF, LABEL_REF, and CONST.
2131 (lsrc_operand, tsrc_operand): Call src_operand instead of
2133 (c4x_operand_subword): Update comments.
2135 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
2136 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
2137 plus HIGH and LO_SUM for the C40.
2138 (ENCODE_SECTION_INFO): Define macro.
2139 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
2141 (PREDICATE_CODES): Add symbolic_operand.
2143 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
2144 c4x_emit_move_sequence.
2145 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
2146 to avoid symbol references.
2147 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
2148 (set_high): Renamed from set_high_use.
2149 (set_lo_sum): Renamed from set_ior_lo_use.
2150 (all call patterns): Make MEM explicit in call address operands.
2151 Modified output templates to use 'U' modifier.
2153 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
2155 * version.c: Bump for snapshot.
2157 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2159 * final.c (bb_str): Qualify a char* with the keyword `const'.
2160 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
2162 * fix-header.c (read_scan_file): Likewise.
2164 * genoutput.c (output_epilogue, process_template): Likewise.
2166 * local-alloc.c (requires_inout, block_alloc): Likewise.
2168 * output.h (output_asm_insn, assemble_string): Likewise.
2170 * recog.c (recog_constraints, check_asm_operands,
2171 decode_asm_operands, extract_insn, preprocess_constraints,
2172 constrain_operands): Likewise.
2174 * recog.h (operand_alternative, recog_constraints, insn_template,
2175 insn_outfun, insn_operand_constraint, insn_name): Likewise.
2177 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
2179 * regmove.c (find_matches): Likewise.
2181 * reload.c (alternative_allows_memconst): Likewise.
2183 * reload1.c (constraint_accepts_reg_p,
2184 reload_cse_simplify_operands): Likewise.
2186 * rtl.h (decode_asm_operands): Likewise.
2188 * scan.h (fn_decl): Likewise.
2190 * varasm.c (assemble_string): Likewise.
2192 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
2194 * configure.in (gcc_tooldir): Handle case where exec_prefix has
2195 not been explicitly set.
2196 * configure: Rebuilt.
2198 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
2201 * bitmap.h (bitmap_head_def): Make indx field unsigned.
2203 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
2204 use $exec_prefix/$target_alias for gcc_tooldir.
2205 * configure: Rebuilt.
2207 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
2209 * cppp.c (xrealloc): Fix typo last change.
2210 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
2211 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
2212 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2214 1999-01-22 Michael Meissner <meissner@cygnus.com>
2216 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
2217 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
2218 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
2219 (cc_reg_not_cr0_operand): Add declaration.
2221 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
2222 pseudo register, or a control register that is not CR0.
2224 * rs6000.md (all combiner patterns building . instructions): For
2225 all `.' instructions that do something and set cr0, add an
2226 alternative that does the operation, and then sets a different
2227 flag, in order to avoid using the costly mcrf instruction and also
2228 allow cr0 to be clobbered in asm statements. Also fix a few
2229 patterns that used the wrong register.
2231 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
2232 (rs6000_debug_name): Make const char *, not char *.
2234 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
2236 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
2237 (rs6000_select): Use const char * in casts.
2239 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
2241 * Makefile.in (gcc_tooldir): Move before first reference.
2242 Let autoconf substitute in a value.
2243 * configure.in (gcc_tooldir): Only use a relative path to the
2244 tool directory if $exec_prefix == $prefix.
2245 * configure: Rebuilt.
2247 * Makefile.in (tooldir): Replace with gcc_tooldir.
2249 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
2251 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
2252 (ashldi3 expander): Similarly. Update comments.
2253 (ashrdi_const, lshrdi_const): Fix indention.
2254 (ashrdi3, lshrdi3): FIx indention. Update comments.
2256 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
2258 * emit-rtl.c (try_split): Don't try to split non-instructions.
2260 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2262 * expr.c (emit_push_insn): Fix dumb typo.
2264 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
2266 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
2267 transformations that we have performed earlier.
2268 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2270 * alpha.md (prologue_stack_probe_loop): Don't do our own label
2271 handling, call gen_label_rtx instead.
2273 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
2275 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
2277 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
2278 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
2279 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2280 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
2281 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
2283 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
2285 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
2286 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
2287 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
2288 * configure: Regenerate.
2290 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
2292 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
2294 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
2296 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2298 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
2300 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
2301 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
2302 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
2303 (move_by_pieces): Use new macros.
2304 (emit_block_move): Use new macros.
2305 (clear_by_pieces): Use new macros.
2306 (clear_storage): Use new macros.
2307 (emit_push_insn): Use new macros.
2308 (expand_expr): Use new macros.
2309 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
2311 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
2312 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
2313 (MOVE_MAX_PIECES): move 8 bytes on SH4.
2314 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
2315 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
2316 USE_STORE_PRE_DECREMENT): Describe new macros.
2318 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
2320 * varasm.c (output_constant_pool): Use floor_log2 instead of
2321 exact_log2 for ASM_OUTPUT_ALIGN.
2323 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
2325 * emit-rtl.c (operand_subword): Handle case when a subword outside
2328 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
2331 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
2333 * cse.c (fold_rtx): Revert 29 Dec change.
2334 (cse_insn): Revert 12 Jan change.
2335 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
2336 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
2337 * rtl.def: Likewise.
2338 * rtl.h (CONSTANT_P): Likewise.
2340 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
2342 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
2343 * alpha.c (input_operand): Likewise.
2344 * c4x.c (const_operand): Likewise.
2346 * explow.c (allocate_dynamic_stack_space): Use register_operand
2347 instead of arith_operand, which does not exist.
2349 * 1750a.h: Fix comment closure.
2350 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
2351 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
2352 * arm.h (TARGET_SWITCHES): Fix typo.
2353 * i370.md (anon mult and div patterns): Fix set mode mismatch.
2354 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
2355 (output_delay_insn): Likewise.
2356 * m88k.md (anon rotate insns): Fix set mode mismatch.
2357 (anon BLKmode moves): Commonize and fix set mode mismatches.
2358 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
2359 * romp.md (movdf): Fix typo.
2361 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
2363 * Makefile.in (install-common): Remove extraneous chmod for gcov
2366 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
2368 * function.c (assign_parms): Save and restore setting of
2371 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
2373 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
2374 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
2376 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
2378 * recog.c (pop_operand): New function.
2379 * recog.h (pop_operand): Declare it.
2380 * genrecog.c (preds): Define it.
2382 * expr.c (do_jump_for_compare): Handle conditional branch expanders
2383 emitting multiple jump instructions.
2384 * jump.c (condjump_label): New function.
2385 * rtl.h (condjump_label): Declare it.
2387 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
2389 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
2390 clobber during or after reload.
2392 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
2394 * genoutput.c (name_for_index): New function.
2395 (scan_operands, validate_insn_alternatives): Use it.
2396 * genrecog.c (insn_name_ptr_size): New variable.
2397 (make_insn_sequence): Fill in insn_name_ptr.
2398 (merge_trees): Use it.
2400 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
2402 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
2403 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
2404 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
2406 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
2408 * loop.c (NUM_STORES): Delete.
2409 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
2410 (prescan_loop): Properly initialize loop_mems_idx.
2411 (note_addr_stored): Simplify using list structure instead of
2413 (invariant_p, check_dbra_loop, load_mems): Similarly.
2415 * flow.c (invalidate_from_autoinc): New function.
2416 (mark_set_1, mark_used_regs): Use it.
2418 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
2420 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
2422 * invoke.texi (-mlong-double-64): New option description.
2424 1999-01-19 Jim Wilson <wilson@cygnus.com>
2426 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
2427 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
2428 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
2430 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
2431 (CPP_SPECS): Add -mlong-double-64 support.
2432 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
2433 (TARGET_SWITCHES): Add -mlong-double-64 support.
2434 (LONG_DOUBLE_TYPE_SIZE): Likewise.
2435 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2436 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
2437 (CPP_SPECS): Add -mlong-double-64 support.
2438 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
2439 (MULTILIB_DIRNAMES): Add ld64.
2440 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
2442 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
2444 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
2445 invisible reference.
2447 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
2449 * rs6000.c (offsettable_addr_operand): Delete.
2450 (offsettable_mem_operand): New function.
2451 * rs6000.h (PREDICATE_CODES): Reflect function change.
2452 (RS6000_SAVE_TOC): Represent address as MEM.
2453 * win-nt.h (RS6000_SAVE_TOC): Same.
2454 * rs6000.md (indirect calls): Change offsettable address parameter
2455 to offsettable memory parameter.
2457 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
2459 * rtl.h (rtx_def): Update documentation.
2460 (MEM_IN_STRUCT_P): Likewise.
2461 (MEM_SCALAR_P): New macro.
2462 (MEM_COPY_ATTRIBUTES): Likewise.
2463 (MEM_SET_IN_STRUCT_P): Likewise.
2464 * rtl.texi (MEM_SCALAR_P): Document.
2465 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
2466 (fixed_scalar_and_varying_struct_p): New function. Use
2467 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
2468 (aliases_everything_p): Likewise.
2469 (true_dependence): Use them.
2470 (write_dependence_p): New function, containing code common to
2471 anti_dependence and output_dependence.
2472 (anti_dependence): Use it.
2473 (output_dependence): Likewise.
2474 * calls.c (save_fixed_argument_area): Don't clear
2476 (expand_call): Use MEM_SET_IN_STRUCT_P.
2477 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
2478 (emit_library_call_value): Likewise.
2479 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
2480 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
2481 (make_extraction): Likewise.
2482 (simplify_shift_const): Likewise.
2483 (gen_lowpart_for_combine): Likewise.
2484 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
2485 * emit-rtl.c (operand_subword): Likewise.
2486 (change_address): Likewise.
2487 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
2488 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
2489 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
2490 (copy_blkmode_from_reg): Likewise.
2491 (store_field): Likewise.
2492 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
2493 heuristically. Use MEM_SET_IN_STRUCT_P.
2494 (get_memory_rtx): Likewise.
2495 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
2496 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
2497 MEM_ALIAS_SET on newly returned MEMs.
2498 (assign_temp): Use MEM_SET_IN_STRUCT_P.
2499 (put_reg_into_stack): Likewise.
2500 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
2501 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
2502 (assign_parms): Likewise.
2503 (expand_function): Likewise.
2504 * integrate.c (expand_inline_function): Likewise.
2505 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
2506 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
2507 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
2508 * print-rtl.c (print_rtx): Print /f for frame_related.
2509 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
2510 * reload1.c (reload): Copy MEM_SCALAR_P as well.
2511 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
2512 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
2513 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
2514 (output_constant_def): Likewise.
2515 * a29k.c (a29k_set_memflags_1): Take scalar_p.
2517 (a29k_set_memflags): Use it.
2518 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
2519 * c4x.c (c4x_scan_for_ld): Likewise.
2520 * h8300.c (fix_bit_operand): Likewise.
2521 * m88k.c (legitimize_address): Likewise.
2522 (block_move_loop): Likewise.
2523 (block_move_no_loop): Likewise.
2524 (block_move_sequence): Likewise.
2525 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
2526 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
2527 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
2528 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
2529 * arm.h (arm_gen_load_multiple): Take scalar_p.
2530 (arm_store_load_multiple): Likewise.
2531 * arm.c (arm_gen_load_multiple): Likewise.
2532 (arm_gen_store_multiple): Likewise.
2533 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
2535 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2537 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
2538 calls within a libcall block to indicate no throws are possible.
2539 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
2540 libcall blocks. Don't add edges to exception handlers if we see
2541 a REG_EH_REGION note with a value of 0.
2542 (make_edges): Override active_eh_region vector if the call has a note
2543 indicating the call does not throw.
2545 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
2547 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
2549 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
2551 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
2553 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
2555 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
2557 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
2559 * invoke.texi (-mcpu=740, -mcpu=750): New options.
2560 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
2563 1999-01-18 Michael Meissner <meissner@cygnus.com>
2565 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2566 supported with -mcpu=xxx.
2567 (processor_type): Add PROCESSOR_PPC750.
2568 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
2569 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
2570 (rs6000_adjust_priority): Add declaration.
2572 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
2573 processor type as 750, not 603. Allow -mmultiple and -mstring on
2574 little endian 750 systems.
2575 (rs6000_adjust_priority): Stub for now.
2576 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
2578 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
2580 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
2582 (CC1_SPEC): Pass -mstrict-align if little endian, and not
2584 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
2585 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
2587 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
2590 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
2592 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
2594 * config/mips/mips.md (div_trap): Split div_trap_mips16
2596 (div_trap_normal,div_trap_mips16): Correct the length attributes.
2598 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2600 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
2601 Instead of writing to const char *buf directly, use a non-const
2602 variable `wbuf' to allocate and write a string, then set buf = wbuf.
2604 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
2607 * dyn-string.c (dyn_string_append): Likewise.
2609 * dyn-string.h (dyn_string_append): Likewise.
2611 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
2613 * output.h (end_final, output_operand_lossage, asm_fprintf,
2614 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
2617 * profile.c (init_branch_prob): Likewise.
2619 * toplev.c (set_target_switch, vmessage,
2620 v_message_with_file_and_line, v_message_with_decl,
2621 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
2622 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
2623 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
2624 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
2625 open_dump_file, dump_rtl, clean_dump_file,
2626 print_version, print_single_switch, print_switch_values,
2627 dump_base_name, debug_args, lang_independent_options,
2628 user_label_prefix, documented_lang_options, target_switches,
2629 target_options, print_time, pfatal_with_name, fatal_io_error,
2630 fatal_insn, default_print_error_function, print_error_function,
2631 report_error_function, error_with_file_and_line, error_with_decl,
2632 error_for_asm, error, fatal, warning_with_file_and_line,
2633 warning_with_decl, warning_for_asm, warning, pedwarn,
2634 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
2635 really_sorry, botch, output_quoted_string, output_file_directive,
2636 open_dump_file, rest_of_decl_compilation, display_help, main):
2639 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
2640 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
2641 warning_with_file_and_line, error_with_file_and_line, sorry,
2642 really_sorry, default_print_error_function, report_error_function,
2643 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
2644 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
2645 output_file_directive, botch): Likewise.
2647 * tree.h (make_decl_rtl): Likewise.
2649 * varasm.c (strip_reg_name, named_section, decode_reg_name,
2650 make_decl_rtl): Likewise.
2652 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
2654 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
2655 directory logically rather than physically.
2657 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2659 * loop.c (insert_bct): Hide the definition of variables
2660 `increment_direction', `compare_direction', `add_iteration' and
2663 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
2664 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
2665 (mode_independent_operand): Mark label `lose' with
2666 ATTRIBUTE_UNUSED_LABEL.
2668 * regclass.c (n_occurrences): Remove prototype and definition.
2670 * reload.c (find_reloads_address_1): Mark variable `tem' with
2673 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
2675 * sbitmap.c (sbitmap_copy): Likewise.
2677 * scan-decls.c (scan_decls): Hide label `handle_comma'.
2679 * toplev.c (output_lang_identify): Mark prototype with
2682 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
2683 (make_tree_vec): Likewise.
2686 * varasm.c (assemble_static_space): Mark variable `tem' with
2689 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
2691 * Makefile.in (GCOV_INSTALL_NAME): New macro.
2692 (install-common): Use it.
2693 (uninstall): Use it.
2694 (uninstall): Use correct names for protoize and unprotoize.
2696 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
2697 Jeffrey A Law (law@cygnus.com)
2699 * flow.c (last_mem_set): Delete variable. References removed.
2700 (mem_set_list): New variable.
2701 (life_analysis): Initialize and finalize alias analysis.
2702 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
2703 (insn_dead_p): For a store to memory, search the entire mem_set_list
2705 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
2706 changes to their addresses. Add new entries to the mem_set_list for
2707 memory writes writes.
2708 (mark_used_regs): Kill entries on the mem_set_list which may be
2709 referenced by a load operation.
2711 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
2713 * alias.c (base_alias_check): Add missing return for differing
2716 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2718 * mips-tdump.c (print_file_desc): Handle unknown filenames and
2719 missing local symbols.
2721 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
2723 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
2725 * system.h (bcopy): Implement with memmove not memcpy.
2727 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
2729 * Makefile.in (cppulp.o): Add dependencies.
2731 * i386.md (integer conditional moves): Add missing earlyclobbers.
2733 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
2734 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
2735 where a register is live.
2737 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
2739 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
2740 of a FP conditional move is not on the FP register stack.
2742 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2744 * version.c: Bump for snapshot.
2746 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
2748 * reload1.c (reload_cse_regs_1): Do not call
2749 reload_cse_simplify_operands for an insn with asm operands.
2751 * cccp.c (print_help): Fix typos.
2752 * cpplib.c (print_help): Fix typos.
2753 * toplev.c (f_optiosn): Fix typos.
2754 (documented_lang_options): Fix typos.
2756 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
2758 * gcc.c: (do_spec_1): Fix obvious typo.
2760 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2762 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
2763 a non-static function declaration follows a static one.
2765 * invoke.texi (-Wtraditional): Document the extra check now done
2768 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
2770 * pa.md (shadd): Create shadd insns, even if the result of the shift is
2771 needed without the addition.
2773 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2775 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
2777 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
2779 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
2781 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
2783 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
2784 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
2785 non_add_cint_operand, non_logical_cint_operand): Likewise.
2786 (get_issue_rate): Add CPU_PPC604E case.
2787 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
2789 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
2791 * expr.c (queued_subexp_p): Make public.
2792 * expr.h (queued_subexp_p): Declare it.
2793 * recog.c (asm_operand_ok): New function.
2794 (check_asm_operands): Use it. After reload, use constrain_operands
2796 * recog.h (asm_operand_ok): Declare it.
2797 * stmt.c (expand_asm_operands): Use it to try harder to make
2798 asms initially satisfy their constraints.
2800 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
2802 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
2803 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
2805 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2807 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
2808 in delay slot of RPTBD.
2810 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2812 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
2813 divide and modulo sign problem.
2815 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2817 * unroll.c (loop_iterations): Return 0 if the last loop insn
2818 is not a jump insn or if the loop has multiple back edges.
2820 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
2822 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
2823 a register with another DEST_ADDR giv if the address is not valid.
2825 * pa.c (hppa_expand_epilogue): Save and restore the static chain
2826 around the call to mcount.
2828 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
2830 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
2831 generating non-canonical rtl.
2833 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
2835 * config/i960/i960.c (i960_output_move_double_zero,
2836 i960_output_move_quad_zero): New functions for moving zeros.
2837 (i960_output_move_double, i960_output_move_quad): Additional code
2838 for situation when moving unaligned register group.
2840 * config/i960/i960.h (i960_output_move_double_zero,
2841 i960_output_move_quad_zero): The function definitions.
2843 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
2845 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
2847 * config/i960/i960.c (i960_function_prologue): New code (optimal
2848 solution) for saving global registers in local registers.
2849 (form_reg_groups, reg_group_compare, split_reg_group): New
2850 functions used by the code.
2851 (reg_group): New structure definition for the new code.
2853 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
2855 * integrate.c (expand_inline_function): Recognize (mem (addressof))
2856 and substitute. Copy the return value from there into a new pseudo.
2858 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
2860 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
2861 before generating a call to abort for volatile functions.
2862 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
2863 (TARGET_ABORT_NORETURN): Define.
2864 (abort-on-noreturn): New option.
2866 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2868 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
2869 and binarycc operations in 3rd annulled delay slot!
2871 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
2873 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
2874 before generating a call to abort for volatile functions.
2875 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
2876 (TARGET_ABORT_NORETURN): Define.
2877 (abort-on-noreturn): New option.
2879 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2881 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
2882 Remove prototype which we get from libiberty.h.
2884 * collect2.c (xstrdup): Likewise.
2886 * genextract.c (xstrdup): Likewise for `copystr'.
2887 (mybzero): Remove it and use `memset' instead.
2889 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
2890 to use `memcpy' and `memset' instead.
2892 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
2893 changed. Remove prototype.
2894 (mybcopy, mybzero): Remove these and use memcpy/memset.
2896 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
2898 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
2899 generating code for TARGET_64BIT.
2901 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
2903 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
2904 HOST_WIDE_INT word-size.
2905 (rs6000_stack_info): Remove redundant alignment of fpmem.
2907 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
2909 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
2910 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
2911 (input_operand): Adjust CONSTANT_P_RTX handling.
2912 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
2913 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
2914 (movhi, movqi): Remove CONSANT_P_RTX handling.
2915 (movdi): Adjust CONSTANT_P_RTX handling.
2917 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
2919 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
2921 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
2923 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2924 ensure all prototypes necessary for building libio will be available.
2925 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
2926 definitions here as they are not host specific.
2927 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
2929 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
2931 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
2933 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
2935 * version.c: Bump for snapshot.
2937 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
2939 * rtl.c (rtx_alloc): Use memset instead of inline loop.
2941 * recog.h (recog_op_alt): Declare extern.
2943 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
2945 * function.c (purge_addressof_1): If the note accesses a mem+addressof
2946 in a wider mode than any replacement, adjust the cached replacement.
2947 Cache trivial substitutions as well.
2949 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
2951 * Makefile.in (OBJECTS): Add sbitmap.o.
2952 (BASIC_BLOCK_H): Add sbitmap.h.
2953 * basic-block.h: Move simple bitmap code to sbitmap.h.
2954 * flow.c: Move simple bitmap code to sbitmap.c
2955 * sbitmap.h, sbitmap.c: New files.
2957 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
2959 * alpha.h (TARGET_SWITCHES): Document switches.
2960 (TARGET_OPTIONS): Likewise.
2962 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
2964 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
2966 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
2968 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
2970 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
2971 (basic_block_end): Rename to x_basic_block_end.
2972 (BLOCK_HEAD, BLOCK_END): Update.
2974 * caller-save.c: Change basic_block_head/end references to
2976 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
2977 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
2978 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
2980 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2982 * gcc.c (xstrerror): Renamed from my_strerror. All callers
2983 changed. Remove prototype since we get that from libiberty.h.
2985 * protoize.c (xstrerror): Likewise.
2987 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2989 * gcc.c (read_specs): Ensure format specifiers match their arguments.
2991 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
2993 * tree.c (copy_node): Oops. That would be copy not zero
2994 in that last change.
2996 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2998 * config/c4x/c4x.c: Include system.h.
2999 (c4x_caller_save_map): Disable caller save for RC.
3000 (c4x_optimization_options): Disable scheduling before reload.
3001 (valid_parallel_load_store) : Define return type as int.
3002 Remove unused variable regs.
3003 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
3005 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
3007 (*db, decrement_and_branch_until_zero): Fix up constraints
3008 to keep reload happy.
3010 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
3012 * tree.c (make_node): Call bzero instead of inline clear.
3013 (copy_node, make_tree_vec, build1): Likewise.
3014 (get_identifier): Call strlen instead of inline count.
3015 (maybe_get_identifier): Likewise.
3017 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3019 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
3020 operations in 3rd annulled delay slot.
3021 (*lshrqi3_const_set): Disallow c constraint for operand0.
3022 (modhi3+1, modhi3+2): Set attribute type to multi.
3023 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
3026 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3028 * gansidecl.h: Allow attribute unused on labels only when we are
3029 version 2.93 or higher. Not all versions of 2.92 have this feature.
3031 * version.c: Bump minor number to 93.
3033 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3035 * config/m68k/m68k.h: Declare output_function_epilogue.
3036 * recog.h: Declare next_insn_tests_no_inequality.
3038 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
3040 * stmt.c (optimize_tail_recursion): New function, extracted from ...
3041 (expand_return): Use optimize_tail_recursion.
3042 * tree.h (optimize_tail_recursion): Declare.
3044 * toplev.c (compile_file): Move call to output_func_start_profiler
3045 to after the loop to emit deferred functions.
3047 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3049 * system.h (abort): Supply more detailed information on how to
3050 report an Internal Compiler Error.
3052 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
3054 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
3055 allocate memory that will live beyond this function.
3056 (expand_call): Free it here.
3058 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
3060 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
3061 integer data not destined for fp regs.
3062 (LEGITIMIZE_RELOAD_ADDRESS): New.
3064 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
3065 Richard Henderson <rth@cygnus.com>
3067 Support for Hypersparc and Sparclite86x:
3068 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
3069 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
3070 (ASM_CPU32_DEFAULT_SPEC): Likewise.
3071 (TARGET_CPU_DEFAULT): Likewise.
3072 (enum processor_type): Likewise.
3073 (CPP_ENDIAN_SPEC): Handle little endian data.
3074 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
3075 (ADJUST_COST): Call sparc_adjust_cost.
3076 * sparc.c (sparc_override_options): Fix up for the new targets.
3077 (supersparc_adjust_cost): Make static.
3078 (hypersparc_adjust_cost): New.
3079 (ultrasparc_adjust_cost): Make static.
3080 (sparc_adjust_cost): New.
3081 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
3082 (function_unit): Add hypersparc scheduling rules.
3084 * configure.in (with_cpu handler): Recognize hypersparc.
3086 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3088 * config/c4x/c4x.c: Added space after negation operator.
3089 * config/c4x/c4x.h: Likewise.
3090 * config/c4x/c4x.md: Likewise.
3092 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3094 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
3096 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3098 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
3099 when a test can't be performed due to limited width of
3100 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
3101 Fix UDIV case for cases where the first operand has the highest bit
3104 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
3106 * pa.h (reg_class): Add FPUPPER_REGS.
3107 (REG_CLASS_NAMES): Similarly.
3108 (REG_CLASS_CONTENTS): Similarly
3109 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
3110 (FP_REG_CLASS_P): Likewise.
3111 (REG_CLASS_FROM_LETTER): Similarly.
3112 (CLASS_MAX_NREGS): Similarly.
3114 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
3116 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
3117 for a typedef of bool. Make sure to have a copy of the file is
3118 in place before we look to fix it. Fix typo in variable name to
3121 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
3123 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
3124 value_mode for the return mode.
3126 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
3128 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
3129 debugging as default.
3131 * config/tm-dwarf2.h: New file.
3133 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
3135 * h8300.h (ASM_OUTPUT_LABELREF): Define.
3137 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
3138 * local-alloc.c (update_equiv_regs): Corresponding changes.
3139 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
3141 * calls.c (special_function_p): Push alloca test inside the large
3142 conditional which excludes functions not at file scope or not
3145 * calls.c (special_function_p): New function broken out of
3147 (precompute_register_parameters): Likewise.
3148 (store_one_arg): Likewise.
3149 (store_unaligned_argumetns_into_pseudos): Likewise.
3150 (save_fixed_argument_area): Likewise.
3151 (restore_fixed_argument_area): Likewise.
3152 (expand_call): Corresponding changes.
3154 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3156 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
3158 (const_sint32_operand): Likewise.
3160 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3162 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
3163 is a macro when deciding if we can use `jmp_buf' in prototypes.
3165 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3167 * config/c4x/c4x.md (addqi3): If the destination operand is
3168 a hard register other than an extended precision register,
3169 emit addqi3_noclobber.
3170 (*addqi3_noclobber_reload): New pattern added so that reload
3171 will recognise a store of a pseudo, equivalent to the sum
3172 of the frame pointer and a constant, as an add insn.
3174 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
3176 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
3177 * configure: Rebuilt.
3178 * i386/xm-go32.h: Define LIBSTDCXX.
3180 * i386/go32.h (MD_EXEC_PREFIX): Define.
3181 (FILE_NAME_ABSOLUTE_P): Define.
3182 (LINK_COMMAND_SPEC): Define.
3184 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
3186 * expr.c (store_expr): If the lhs is a memory location pointed
3187 to be a postincremented (or postdecremented) pointer, always
3188 force the rhs to be evaluated into a pseudo.
3190 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
3192 * real.c (mtherr): Print more reasonable warning messages.
3194 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3196 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
3198 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
3199 (new_include_prefix): Constify char* parameters.
3201 * cppfiles.c (read_name_map): Likewise.
3202 (append_include_chain): Likewise. Also, use a writable char* copy
3203 of parameter `dir' which we then modify, rather than using the
3204 parameter itself to store the new writable string.
3205 (remap_filename): Constify some variables. Also, use a writable
3206 char* to store an allocated string which we will be modifying.
3208 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
3209 (cpp_start_read): Constify variable `str'.
3211 * cpplib.h (append_include_chain): Constify a char* parameter.
3213 * gcc.c Include prefix.h, don't prototype prefix.c functions.
3214 (add_prefix, save_string): Constify char* parameters.
3215 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
3217 * prefix.c: Include prefix.h.
3218 (get_key_value, translate_name, save_string, update_path,
3219 set_std_prefix): Constify various char* parameters and variables.
3220 (save_string): Use xmalloc, not malloc.
3221 (translate_name): Use a writable temporary variable to create and
3222 modify a string before setting it to a const char*.
3224 * prefix.h: New file to prototype functions exported from prefix.c.
3226 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
3228 * cpplib.c (skip_if_group): Split out the logic that handles
3229 directive recognition to its own function. Don't use
3230 parse markers; use a bare pointer into the buffer. Use
3231 copy/skip_rest_of_line instead of doing it by hand. Remove
3232 `return on any directive' mode which was never used, and take
3234 (consider_directive_while_skipping): New function, subroutine
3235 of skip_if_group. Logic streamlined a bit.
3236 (conditional_skip, do_elif, do_else): Call skip_if_group with
3239 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
3241 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
3244 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
3246 * extend.texi (Bound member functions): Document.
3248 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3250 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
3251 lang_to_string, type_to_string): Make return type const char*.
3252 (print_symbol): Apply `const' keyword to a char*.
3253 (print_file_desc): Cast structure member `crfd' to ulong when
3254 comparing against one.
3256 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
3257 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
3258 (progname, input_name): Apply `const' keyword to a char*.
3259 Don't redundantly include sys/stat.h.
3260 (alloc_info): Apply `const' keyword to a char*.
3261 (st_to_string, sc_to_string): Likewise.
3262 (hash_string): Cast variable `hash_string' to a symint_t when
3263 comparing against one.
3264 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
3265 Likewise cast it to long when comparing against one.
3266 (add_local_symbol): Apply `const' keyword to a char*.
3267 (add_ext_symbol): Likewise.
3268 (add_unknown_tag): Likewise.
3269 (add_procedure): Cast a printf-style field width to an int.
3270 (add_file): Cast PAGE_USIZE to long when comparing against one
3271 (parse_begin): Cast a printf-style field width to an int.
3272 (parse_bend): Likewise.
3273 (parse_def): Likewise.
3274 (parse_end): Likewise.
3275 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
3276 (parse_stabs_common): Fix format specifier.
3277 (parse_input): Change type of variable `i' to Size_t.
3278 (write_object): Fix arguments to match format specifiers.
3279 Cast variable `num_write' to long when comparing against one.
3280 (read_seek): Cast variable `sys_read' to symint_t when comparing
3281 against one. Fix arguments to match format specifiers. Cast
3282 variable `size' to long when comparing against one.
3283 (copy_object): Cast result of `sizeof' to int when comparing
3284 against one. Fix arguments to match format specifiers. Cast
3285 variable `ifd' to long when comparing against a signed value.
3288 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3290 * c-common.c (decl_attributes): Allow applying attribute `unused'
3293 * c-parse.in (label): Parse attributes after a label, and call
3294 `decl_attributes' to handle them.
3296 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
3298 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
3299 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
3301 * invoke.texi: Note that labels can be marked `unused'.
3303 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
3305 * version.c: Bump for snapshot.
3307 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
3309 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
3310 RTL for a compare/jump sequence.
3312 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3314 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
3315 for a target with HAVE_cc0 defined.
3316 (emit_cmp_and_jump_insns): New function.
3317 * expr.h (emit_cmp_and_jump_insns): Prototype it.
3318 * loop.c (check_dbra_loop): Use it to replace calls
3319 to emit_cmp_insn and emit_jump_insn and to canonicalise
3320 the comparison if necessary.
3321 * unroll.c (unroll_loop): Likewise.
3323 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3325 * fixincludes (sys/utsname.h): Provide forward declaration of
3326 struct utsname on Ultrix V4.[35].
3328 * mips.md (div_trap): Use local labels instead of dot-relative
3331 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
3333 * pa.md (branch, negated branch): Handle (const_int 0) as first
3335 * pa.c (output_cbranch): Likewise.
3337 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
3339 * rs6000.c (rs6000_stack_info): Undo spurious part of last
3342 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
3344 * extend.texi (__builtin_constant_p): Add missing @smallexample.
3346 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
3348 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
3350 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
3352 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
3353 (adddi_dishl32): Similarly.
3355 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
3356 for each insn in the skipped block.
3358 * reload1.c (reload_as_needed): Verify that the insn satisfies its
3359 constraints after replacing a register address with an autoincrement
3360 address for reload inheritance purposes.
3362 * i386.md (doubleword shifts): Avoid namespace pollution.
3364 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
3366 * configure.in (FreeBSD ELF): Needs special crt files.
3368 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
3370 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
3372 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3374 * loop.c (check_dbra_loop): While reversing the loop, if the
3375 comparison value has a VOID mode use the mode of the other operand
3376 to compute the mask.
3378 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
3380 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
3381 avoid warnings in compiling explow.c.
3383 (patch from Ken Raeburn, raeburn@cygnus.com)
3384 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
3385 fpmem_offset. Compute total size after that, and then
3386 rs6000_fpmem_offset using both values.
3388 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3390 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
3391 the future; indeed that already happens in some cases.
3393 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
3395 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
3396 (arith_operand): Remove constant_p_rtx handling.
3397 (const64_operand, const64_high_operand): Likewise.
3398 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
3399 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
3400 (small_int_or_double, uns_small_int, zero_operand): Likewise.
3401 * sparc.h (PREDICATE_CODES): Likewise.
3403 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
3405 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
3407 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
3408 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
3409 consider constant CONSTRUCTOR constant and to defer some cases
3411 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
3412 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
3414 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
3416 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
3417 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
3419 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
3420 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
3421 (sext_add_operand, and_operand, or_operand): Likewise.
3422 (reg_or_cint_operand, some_operand, input_operand): Likewise.
3423 * alpha.h (PREDICATE_CODES): Likewise.
3425 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
3427 * version.c: Bump for snapshot.
3429 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
3431 * gengenrtl.c (gencode): Always use bzero to clear memory instead
3432 of dangerous casts and stores.
3434 * Makefile.in (compare, gnucompare): Add missing else true clauses.
3436 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
3438 * alpha.md (builtin_longjmp): Add missing "DONE".
3440 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
3442 * gcc.c (execute): Enable -pipe with win32.
3444 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
3446 * config/arm/t-arm-elf: Add multiplib option for leading
3449 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
3450 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
3452 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
3453 than variable 'reload_address_base_reg_class'. [Note this
3454 change is unrelated to the others in this patch].
3456 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
3459 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3461 * alias.c (record_alias_subset): Remove ignored `&'.
3462 (init_alias_once): Likewise.
3464 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
3466 * config/mips/mips.c (mips_asm_file_end): Cast the result of
3467 fwrite to `int' when comparing against one.
3469 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
3470 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
3472 * cse.c (rehash_using_reg): Change type of variable `i' to
3475 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
3476 assigning it to one.
3478 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
3480 * final.c (final_scan_insn): Likewise for variable `i'.
3481 (output_asm_insn): Cast a char to unsigned char when used as an
3484 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
3485 assigning it to one.
3487 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
3489 * recog.c (preprocess_constraints): Cast a char to unsigned char
3490 when used as an array index.
3492 * regmove.c (find_matches): Likewise.
3494 * reload1.c (calculate_needs): Add default case in switch.
3495 (eliminate_regs_in_insn): Initialize variable `offset'.
3496 (set_offsets_for_label): Change type of variable `i' to unsigned.
3497 (reload_as_needed): Wrap variable `i' in macro check on
3498 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
3500 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
3501 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
3502 when comparing against one.
3504 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
3505 unsigned when comparing against one. Likewise for
3506 GET_MODE_ALIGNMENT().
3507 (layout_record): Cast record_align to int when comparing against a
3509 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
3512 * tree.c (get_identifier): Cast variable `len' to unsigned when
3513 comparing against one.
3514 (maybe_get_identifier): Likewise
3516 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
3518 * toplev.c (rest_of_compilation): Do not set reload_completed.
3519 * reload1.c (reload): Set reload_completed before calling
3520 cleanup_subreg_operands.
3522 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
3524 * reload1.c (emit_reload_insns): Check `set' not null before use.
3526 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
3528 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
3531 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3533 * halfpic.c (half_pic_encode): Delete redundant code.
3535 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
3537 * toplev.c (main): Delete handling of -dM as a preprocessor
3540 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
3542 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
3543 -dI, which are handled by the preprocessor.
3545 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
3547 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
3548 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
3550 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
3552 * version.c: Bump for snapshot.
3554 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
3556 * version.c: Bump for snapshot.
3558 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
3560 * version.c: Bump for snapshot.
3562 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3564 * genattr.c (fatal): Qualify a char* with the `const' keyword.
3566 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
3567 write_unit_name, write_eligible_delay, expand_units,
3568 make_length_attrs, write_attr_case, find_attr,
3569 make_internal_attr): Likewise.
3570 * gencheck.c (tree_codes): Likewise.
3571 * gencodes.c (fatal): Likewise.
3572 * genconfig.c (fatal): Likewise.
3573 * genemit.c (fatal): Likewise.
3574 * genextract.c (fatal, walk_rtx, copystr): Likewise.
3575 * genflags.c (fatal): Likewise.
3576 * genopinit.c (fatal, optabs, gen_insn): Likewise.
3577 * genoutput.c (fatal, error, predicates): Likewise.
3578 * genpeep.c (fatal): Likewise.
3579 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
3580 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
3582 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3584 * configure.in (with-fast-fixincludes): Fix whitespace.
3585 * configure: Rebuilt.
3587 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
3588 asm() etc. function declarations in __DECC.
3590 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
3592 * expr.c (emit_move_insn_1): Only emit a clobber if the target
3593 is a pseudo register.
3595 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
3597 * gcse.c: Include expr.h in order to get the prototype for
3598 get_condition() which is used in delete_null_pointer_checks().
3600 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3602 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
3604 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
3606 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
3607 (ALL_CFLAGS): Delete SCHED_CFLAGS.
3609 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
3611 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
3614 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
3616 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
3617 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
3618 optimizations from the combiner.
3620 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3622 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
3624 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
3626 * toplev.c (main): Disable optimize_size if a specific
3627 optimization level is requested. Always set optimization
3628 level to 2 if -Os is specified.
3630 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
3632 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
3634 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
3635 initialize it using fname.
3637 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
3639 * cpplib.c (do_include): Treat #include_next in the
3640 primary source file as #include plus warning. Treat
3641 #include_next in a file included by absolute path as an
3642 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
3644 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3646 * cccp.c: Don't define MIN/MAX anymore.
3647 * cpplib.c: Likewise.
3648 * machmode.h: Likewise.
3649 * system.h: Provide definitions for MIN/MAX.
3651 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3653 * fix-header.c: Don't define xstrdup here.
3655 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3657 * loop.c (consec_sets_giv): New argument last_consec_insn.
3658 (strength_reduce): Provide / use it.
3660 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3662 * loop.h (loop_info): New field 'vtop'.
3663 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
3664 scanning loop for vtop.
3665 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
3666 (loop_iterations): Use them to determine if loop has a constant
3667 number of iterations. Set loop_info->vtop. Don't subtract
3668 common reg term from initial_value and final_value if have a
3671 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
3673 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
3675 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
3677 * mn10200.md (abssf2, negsf2): New expanders.
3679 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
3681 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
3683 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
3684 replaced by a CONCAT whoes components do not have the same
3685 mode as the original SUBREG, use a new SUBREG to restore the
3688 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
3689 multiword complex values.
3691 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
3693 * cppalloc.c: Add xstrdup here.
3694 * cpplib.h: Remove savestring prototype.
3695 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
3697 * cppfiles.c: s/savestring/xstrdup/ throughout.
3699 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
3701 * cpplib.c: Make all directive handlers read their own
3703 (struct directive): Remove last two arguments from FUNC
3704 member prototype. Remove `command_reads_line' member
3706 (directive_table): Remove initializations of
3707 command_reads_line flag. Pretty-print.
3708 (eval_if_expression, do_define, do_line, do_include,
3709 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
3710 do_else, do_elif, do_sccs, do_assert, do_unassert,
3711 do_warning): Take only two args.
3713 (cpp_define): Call do_define with two args and the text to
3714 define stuffed into a buffer.
3715 (make_assertion): Call do_assert with two args.
3716 (handle_directive): Call do_line with two args. Call
3717 kt->func with two args. Remove command_reads_line
3719 (do_define, do_undef, do_error, do_warning, do_pragma,
3720 do_sccs): Read the rest of the line here.
3721 (do_ident): Gobble rest of line, as cccp does.
3722 (cpp_undef): New function.
3723 (cpp_start_read): Call cpp_undef instead of do_undef.
3725 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
3727 * cpphash.h (union hash_value): Remove `keydef' member, add a
3728 `struct hashnode *aschain' member for #assert.
3730 * cpplib.c (struct tokenlist_list, struct
3731 assertion_hashnode): Delete structure definitions.
3732 (assertion_install, assertion_lookup, delete_assertion,
3733 check_assertion, compare_token_lists, reverse_token_list,
3734 read_token_list, free_token_list): Delete functions.
3735 (parse_assertion): New function.
3736 (cpp_cleanup): Don't destroy the assertion_hashtable.
3738 (do_assert): Gut and rewrite. #assert foo (bar) places
3739 entries for `#foo' and `#foo(bar)' in the macro hash table,
3740 type T_ASSERT. The value union's `aschain' member is used
3741 to chain all answers for a given predicate together.
3742 (do_unassert): Also rewritten. Take an un-asserted
3743 answer off the chain from its predicate and call
3744 delete_macro on the hashnode, or walk a predicate chain
3745 calling delete_macro on all the entries.
3746 (cpp_read_check_assertion): Simply call parse_assertion to
3747 get the canonical assertion name, and look that up in the
3750 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
3753 * cpphash.c (install): Use bcopy instead of an explicit loop
3754 to copy the macro name.
3756 * cppexp.c (cpp_lex): Convert the result of
3757 cpp_read_check_assertion to a `struct operation' directly;
3758 don't go through parse_number.
3760 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3762 * loop.h (struct induction): Delete times_used member.
3763 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
3764 (n_times_used): Rename to n_times_set. Changed all users.
3765 (scan_loop): Free reg_single_usage before strength reduction.
3766 (record_giv, combine_givs): Remove handling of times_used member.
3767 (combine_givs_used_once): Rename to:
3768 (combine_givs_used_by_other) . Changed all callers.
3770 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
3772 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
3773 instead of TREE_CODE_CLASS == 't'.
3774 (gen_type_die): Likewise.
3775 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
3777 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
3779 * real.c (endian): Disable last change unless
3780 HOST_BITS_PER_WIDE_INT is greater than 32.
3782 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3784 * output.h (force_data_section): New prototype.
3785 * varasm.c (force_data_section): New function to force the
3786 data section, regardless of what in_section thinks.
3787 * dwarf2out.c (output_call_frame_info): Call force_data_section
3788 since varasm may not realize we've changes sections.
3790 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
3792 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
3793 after completeing reload.
3795 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
3796 deleted after reload.
3798 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
3800 * rtl.h (multiple_sets): Fix prototype.
3801 * rtlanal.c (multiple_sets): Fix return type.
3803 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
3805 * version.c: Bump for snapshot.
3807 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
3809 * version.c: Bump for snapshot.
3811 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
3813 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
3815 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3817 * rtl.h (recompute_reg_usage): Add second argument.
3818 * flow.c (recompute_reg_usage): Likewise.
3819 * toplev.c (rest_of_compilation): Supply second argument to
3820 recompute_reg_usage.
3822 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
3825 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
3827 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
3828 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3829 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3832 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
3834 * rtlanal.c (multiple_sets): New function.
3835 * rtl.h (multiple_sets): Declare it.
3836 * local-alloc.c (wipe_dead_reg): Use it.
3837 * global.c (global_conflicts): Likewise.
3839 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
3841 * global.c (record_conflicts): Don't use an array of shorts to
3842 store an array of ints.
3843 (global_conflicts): Likewise.
3845 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
3847 * alpha.c (alpha_expand_block_move): mode_for_size expects
3848 bits, not bytes. Infer extra alignment from addressof.
3850 1998-12-11 Michael Meissner <meissner@cygnus.com>
3852 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
3853 .sbss section, not .sdata.
3855 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
3857 * cccp.c: Do not #include <sys/stat.h> here; this is already done
3859 * collect2.c: Likewise.
3860 * cpplib.h: Likewise.
3863 * getpwd.c: Likewise.
3864 * protoize.c: Likewise.
3865 * toplev.c: Likewise.
3867 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
3868 and don't try to define it here.
3869 * Makefile.in (cppmain.o): Depend on machmode.h.
3870 (cpplib.o): Likewise.
3871 (cpperror.o): Likewise.
3872 (cppexp.o): Likewise.
3873 (cppfiles.o): Likewise.
3874 (cpphash.o): Likewise.
3875 (cppalloc.o): Likewise.
3876 (fix-header.o): Likewise.
3877 (scan-decls.o): Likewise.
3879 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
3881 * sh.c (print_operand): lookup interrupt_handler attribute instead
3882 of relying on static variable.
3883 * (calc_live_regs): Likewise.
3884 * (sh_pragma_insert_attributes): Create interrupt_handler
3885 attribute if a pragma was specified
3886 * (sh_valid_machine_decl_attribute): Don't set static flag.
3887 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
3889 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3891 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
3892 to determine if a register is live at a jump destination.
3893 Everything is dead at a BARRIER.
3895 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
3897 * cse.c (simplify_unary_operation): Sign-extend constants when
3898 they have the most significant bit set for the target.
3899 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
3901 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
3902 HOST_WIDE_INT temporary before negating it.
3903 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
3905 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
3907 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
3910 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3912 * collect2.h: New header file for prototypes.
3914 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
3916 * collect2.c: Include collect2.h.
3917 * tlink.c: Likewise.
3919 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
3921 * flow.c: Update some comments.
3923 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
3925 * objc/objc-act.c (cpp_initialized): Removed.
3926 (lang_init_options): Initialize cpplib.
3927 (lang_decode_option): Move initialization of cpplib to
3929 * c-lang.c: (parse_options,parse_in): Added.
3930 (lang_init_options): Initialized cpplib here.
3931 * c-decl.c (parse_options,cpp_initialized): Removed.
3932 (c_decode_option): Move initialization of cpplib to
3935 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3937 * reload1.c (reload_combine, reload_combine_note_store):
3938 Make STORE_RUID always valid.
3939 (reload_combine): Check if BASE is clobbered too early.
3941 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
3943 * reload.c (find_reloads): Display the insn that cannot be
3946 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
3948 * cccp.c (create_definition): Fix end of bufer logic.
3950 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3952 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
3953 pointer parameters changed to use the PARAMS() macro.
3955 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3957 * except.h (struct handler_info): Add handler_number field.
3958 * except.c (gen_exception_label): EH labels no longer need to be
3959 on the permanent obstack.
3960 (get_new_handler): Set the label number field.
3961 (output_exception_table_entry): Regenerate handler label reference
3962 from the label number field.
3963 (init_eh): Remove a blank line.
3964 * integrate.c (get_label_from_map): Labels no longer need to be
3965 on the permanent obstack.
3967 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
3969 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
3970 only when OUTER_CODE is SET.
3972 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3974 * loop.c (strength_reduce): If scan_start points to the loop exit
3975 test, be wary of subversive use of gotos inside expression statements.
3976 Don't set maybe_multiple for a backward jump that does not
3977 include the label under consideration into its range.
3978 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
3980 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3982 * explow.c (plus_constant_wide): Don't immediately return with
3983 result of recursive call.
3985 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3987 * eh-common.h (struct eh_context): Add table_index for rethrows.
3989 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
3990 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
3991 processed when inlined or unrolled (ie duplicated in some way).
3993 * rtl.c (reg_note_name): Add strings for new reg_note enums.
3995 * expr.h (rethrow_libfunc): New library decl.
3997 * optabs.c (rethrow_libfunc): Initialize.
3999 * except.h (struct eh_entry): Add new field 'rethrow_label'.
4000 (new_eh_region_entry): No longer exported from except.c.
4001 (duplicate_handlers): Renamed to duplicate_eh_handlers and
4002 different prototype.
4003 (rethrow_symbol_map, rethrow_used): New exported functions.
4004 (eh_region_from_symbol): New exported function.
4006 * except.c (create_rethrow_ref): New function to create a single
4007 SYMBOL_REF for a rethrow region.
4008 (push_eh_entry): Initialize a rethrow ref.
4009 (func_eh_entry): Add a rethrow_label field.
4010 (new_eh_region_entry): Make static, and initialize the rethrow entry.
4011 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
4012 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
4013 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
4014 a region into an appropriate new symbol.
4015 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
4016 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
4017 (end_catch_handler): Emit a barrier for new-exceptions since
4018 control can never drop through the end of a catch block.
4019 (expand_end_all_catch): new-exceptions never fall through a catch
4021 (expand_rethrow): use __rethrow routine for new exceptions.
4022 (output_exception_table_entry): Generate rethrow labels, if needed.
4023 (output_exception_table): Generate start and end rethrow labels.
4024 (init_eh): Create rethrow symbols for beginning and end of table.
4025 (scan_region): Don't eliminate EH regions which are the targets of
4028 * flow.c (make_edges): Add different edges for rethrow calls,
4029 identified by having the REG_EH_RETHROW reg label.
4030 (delete_unreachable_blocks): Don't delete regions markers which are
4031 the target of a rethrow.
4033 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
4034 allow save_for_inline_copying to call duplicate_eh_handlers.
4035 (save_for_inline_copying): Call duplicate_eh_handlers instead of
4036 exposing internal details of exception regions.
4037 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
4038 (expand_inline_function_eh_labelmap): New callback routine to
4039 allow expand_inline_function to call duplicate_eh_handlers.
4040 (expand_inline_function): Call duplicate_eh_handlers instead of
4041 exposing internal details of exception regions.
4042 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
4045 * libgcc2.c (find_exception_handler): Generalize to enable it to
4046 pick up processing where it left off last time for a rethrow.
4047 (__unwinding_cleanup): New function. debug hook which is called before
4048 unwinding when __throw finds there is nothing but cleanups left.
4049 (throw_helper): Common parts of __throw extracted out for reuse.
4050 (__throw): Common parts moved to throw_helper.
4051 (__rethrow): New function for performing rethrows.
4053 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
4055 * reload1.c (current_function_decl): Tweak declaration.
4057 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
4059 * c-decl.c (flag_isoc9x): Default off.
4060 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
4061 * cccp.c (print_help, main): Likewise.
4062 * gcc.c (default_compilers): Update for -std=gnu*.
4064 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
4066 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
4067 * demangle.h: Deleted.
4069 * reload1.c (current_function_decl): Declare.
4071 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4073 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
4075 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4077 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
4079 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
4081 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
4083 * configure: Rebuilt.
4084 * system.h: If the *_unlocked functions are available use them
4085 instead of the locked counterparts by defining macros.
4086 * config.in: Regenerated.
4088 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
4090 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
4091 wrong and should only be used for dump related things, not
4092 debugging information, instead main_input_filename should be used.
4093 Also, reuse output_file_directive if possible.
4094 * i386/aix386ng.h (ASM_FILE_START): Likewise.
4095 * i386/isc.h (ASM_FILE_START): Likewise.
4096 * i386/win-nt.h (ASM_FILE_START): Likewise.
4097 * i386/sun386.h (ASM_FILE_START): Likewise.
4099 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
4101 * configure.in (mips*-*-linux*): Handle big and little endian
4103 * configure: Rebuilt.
4105 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
4107 * emit-rtl.c: Fix typo.
4109 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
4111 * reload1.c (eliminate_regs): Don't do anything, if we're not
4114 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
4116 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
4118 * mips/mips.c (mips_select_section): Add comment.
4120 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
4122 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
4123 characters in file names in #line to be consistent with #include
4124 handling. We support escape prcessing in the # 1 "..." version of
4125 the command. See also support in cp/lex.c.
4126 (handle_directive): Likewise.
4127 (do_line): Likewise.
4129 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
4131 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
4132 so it'll work on non-ASCII platforms. Always consider $ an
4133 identifier character. Take no arguments.
4134 (cpp_reader_init): Call initialize_char_syntax with no
4136 (cpp_start_read): Don't call initialize_char_syntax again.
4137 Clear is_idchar['$'] and is_idstart['$'] if not
4138 opts->dollars_in_ident.
4140 * cpplib.h (struct cpp_reader): Replace void *data element by
4141 cpp_options *opts. Rearrange elements to make gdb printout
4142 less annoying (put buffer stack at end).
4143 (CPP_OPTIONS): Get rid of now-unnecessary cast.
4145 * cppmain.c: s/data/opts/ when initializing cpp_reader
4147 * c-decl.c: Likewise.
4148 * objc/objc-act.c: Likewise.
4149 * fix-header.c: Likewise.
4151 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
4153 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
4154 with a struct file_name_list pointer.
4155 (struct cpp_reader): Add pointer to chain of `actual
4156 directory' include searchpath entries.
4157 (struct file_name_list): Add *alloc pointer for the sake of
4158 the actual-directory chain.
4160 Move definition of HOST_WIDE_INT here.
4161 (cpp_parse_escape): Change prototype to match changes in
4164 * cppfiles.c (actual_directory): New function.
4165 (finclude): Use it to initialize the buffer's actual_dir
4167 (find_include_file): We don't need to fix up max_include_len
4170 * cpplib.c (do_include): Don't allocate a file_name_list on
4171 the fly for current directory "" includes, use the one that's
4172 been preallocated in pfile->buffer->actual_dir. Hoist out
4173 duplicate code from the search_start selection logic.
4174 (cpp_reader_init): Initialize pfile->actual_dirs.
4176 Remove definition of HOST_WIDE_INT. Change calls
4177 to cpp_parse_escape to match changes in cppexp.c (note
4178 hardcoded MASK, which is safe since this is the source
4181 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
4182 to handle wide character constants in #if directives. The
4183 function now returns a HOST_WIDE_INT, and takes a third
4184 argument which is a binary mask for all legal values (0x00ff
4185 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
4186 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
4187 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
4189 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
4191 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
4193 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4195 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
4196 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
4197 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
4199 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
4201 * final.c (output_asm_name): Use tabs to seperate comments from
4204 Include instruction lengths (if defined) in output.
4206 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4208 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
4209 in the loop_info structure.
4211 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
4213 * configure.in: (arm*-*-ecos-elf): New target.
4214 * configure: Regenerated.
4215 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
4216 * config/arm/ecos-elf.h: New file.
4217 * config/arm/unknown-elf.h (TARGET_VERSION): Check
4220 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4222 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
4224 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
4226 * version.c: Bump for snapshot.
4228 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4230 * loop.c (check_dbra_loop): New argument loop_info. Update fields
4233 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
4235 * version.c: Bump for snapshot.
4237 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4239 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
4240 compressed reports are ok and preferred over URLs
4242 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
4244 * invoke.texi (Warning Options): Soften the tone of -pedantic
4246 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
4248 * print-rtl.c (print_rtx): Add prototype.
4250 * unroll.c (iteration_info): Make it static.
4252 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
4254 * alias.c (memrefs_conflict_p): A second ANDed address
4255 disables the aligned address optimization.
4257 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
4259 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
4262 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4264 * i960.h (BOOL_TYPE_SIZE): Define.
4266 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4268 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
4269 from old valid_parallel_operands_4.
4270 (valid_parallel_operands_4): Check that operands for 4 operand
4271 parallel insns are valid, excluding load/store insns.
4272 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
4273 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
4274 valid_parallel_load_store instead of valid_parallel_operands_4.
4275 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
4276 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
4277 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
4278 *notqi_movqi_clobber): Use valid_parallel_operands_4.
4279 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
4280 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
4281 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
4283 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4285 * config/c4x/c4x.c (iteration_info): Delete extern.
4287 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4289 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
4291 * final.c (cleanup_subreg_operands): Delete some unused code.
4293 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
4294 (struct insn_alternative): New structure definition.
4295 (recog_op_alt): Declare variable.
4296 (preprocess_constraints): Declare function.
4297 * recog.c (recog_op_alt): New variable.
4298 (extract_insn): Verify number of alternatives is in range.
4299 (preprocess_constraints): New function.
4300 * reg-stack.c: Include recog.h.
4301 (constrain_asm_operands): Delete.
4302 (get_asm_operand_lengths): Delete.
4303 (get_asm_operand_n_inputs): New function.
4304 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
4305 N_OUTPUTS args. All callers changed.
4306 Compute number of inputs and outputs here by calling
4307 get_asm_operand_n_inputs.
4308 Instead of constrain_asm_operands, call extract_insn,
4309 constrain_operands and preprocess_constaints. Use information
4310 computed by these functions throughout.
4311 (record_reg_life): Delete code that is unused due to changes in
4312 record_asm_reg_life.
4313 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
4314 N_INPUTS and N_OUTPUTS args. All callers changed.
4315 Similar changes as in record_asm_reg_life.
4316 (subst_stack_regs): Move n_operands declaration into the if statement
4318 Delete code that is unused due to changes in subst_asm_stack_regs.
4319 * stmt.c (expand_asm_operands): Verify number of alternatives is in
4321 * Makefile.in (reg-stack.o): Depend on recog.h.
4323 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
4325 * except.c (set_exception_version_code): Argument is an "int".
4327 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
4329 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
4330 * configure: Rebuilt.
4332 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
4334 * configure.in (mipsel-*-linux*): New target.
4335 * mips/linux.h: New file, based on other Linux targets.
4337 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
4339 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
4340 runs in the context of the deleter, not the deletee, so we must
4341 use taskVarGet to find the correct memory to free.
4342 (__gthread_key_create): Initialize the task
4343 variable subsystem so that the task variable is still active when
4344 the delete hook is run.
4346 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
4348 * pdp11.h: Use optimize_size for space optimizations.
4349 * pdp11.c: Likewise.
4350 * pdp11.md: Likewise.
4352 * pdp11.h (TARGET_40_PLUS): Fix typo.
4354 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
4356 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
4359 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4361 * alias.c (addr_side_effect_eval): New function.
4362 (memrefs_conflict_p): Use it.
4363 * rtl.h (addr_side_effect_eval): Prototype it.
4365 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
4367 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
4369 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
4371 * reload.c (find_reloads): When force const to memory, put result
4372 in substed_operand not *recog_operand_loc.
4374 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
4376 * c-lex.c: Fix indentation from last patch.
4377 Remove trailing whitespace.
4380 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
4382 * flow.c (delete_block): Call set_last_insn after we have reset
4383 NEXT_INSN (kept_tail).
4385 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
4387 * mips.md (trap_if): Use "$0" for the value zero.
4389 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
4390 Stephen L Moshier <moshier@world.std.com>
4391 Richard Henderson <rth@cygnus.com>
4393 * c-common.c (declare_function_name): Declare predefinied variable
4396 * c-decl.c (flag_isoc9x): Set to 1 by default.
4397 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
4398 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
4400 * c-parse.in: Allow constructors in ISO C 9x.
4401 Rewrite designator list handling.
4402 Allow [*] parameters.
4403 Don't warn about comma at end of enum definition for ISO C 9x.
4405 * cccp.c (c9x): New variable.
4406 (rest_extension): New variable.
4407 (print_help): Document new -std= option.
4408 (main): Recognize -std= option. Set c9x appropriately.
4409 (create_definition): Recognize ISO C 9x vararg macros.
4411 * gcc.c (default_compilers): Adjust specs for -std options.
4412 (option_map): Add --std.
4413 (display_help): Document -std.
4415 * toplev.c (documented_lang_options): Add -std and remove
4418 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
4419 or REAL_VALUE_HTOF based on base of the constants.
4420 * fold-const.c (real_hex_to_f): New function. Replacement function
4421 for hex FP conversion if REAL_ARITHMETIC is not defined.
4422 * real.c (asctoeg): Add handling of hex FP constants.
4423 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
4426 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
4428 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
4429 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
4430 expansion. Use hi/lo as destination register.
4432 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
4433 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
4434 Avoid as macro expansion. Use hi/lo as destination register.
4436 * mips.h (MASK_CHECK_RANGE_DIV): New.
4437 (MASK_NO_CHECK_ZERO_DIV): New.
4438 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
4439 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
4440 return address for leaf functions out of r31 to support
4441 builtin_return_address.
4443 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4445 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
4446 NEXT_INSN(x) to check insn x.
4448 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
4450 * flow.c (delete_block): Call set_last_insn if we end up deleting the
4451 last insn in the rtl chain.
4453 * reload1.c (reload): Do not set reload_completed or split insns
4455 * toplev.c (rest_of_compilation): Set reload_completed after
4456 reload returns. Split insns after reload_cse has run.
4458 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
4460 * final.c (final_scan_insn): Abort if block_depth falls below 0.
4462 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
4464 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
4466 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
4468 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
4469 use of user-label_prefix.
4471 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4473 * reload1.c (emit_reload_insns): Clear spill_reg_store
4474 when doing a new non-inherited reload from the same pseudo.
4476 * local-alloc.c (function_invariant_p): New function.
4477 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
4478 to decide if an equivalence should be recorded.
4479 * reload1.c (num_eliminable_invariants): New static variable.
4480 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
4481 to decide if an equivalence should be recorded.
4483 (calculate_needs_all_insns): Skip insns that only set an equivalence.
4484 Take num_eliminable_invariants into account when deciding
4485 if register elimination should be done.
4486 (reload_as_needed): Take num_eliminable_invariants into account
4487 when deciding if register elimination should be done.
4488 (eliminate_regs): Handle non-constant reg_equiv_constant.
4489 * rtl.h (function_invariant_p): Declare.
4491 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
4493 * version.c: Bump for snapshot.
4495 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
4497 * version.c: Bump for snapshot.
4499 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
4501 * except.c (add_new_handler): Complain about additional handlers
4502 after one that catches everything.
4504 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
4506 * configure.in (alpha*-*-netbsd): Fix typo.
4507 * configure: Rebuilt.
4509 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4511 * system.h: Include libiberty.h.
4513 * c-aux-info.c: Remove prototypes for concat/concat3. Change
4514 function `concat' from fixed parameters to variable parameters,
4515 as is done in libiberty. All callers of concat/concat3
4516 changed to use the new `concat' with variable args.
4518 * cccp.c: Remove things made redundant by libiberty.h and/or
4519 conform to libiberty standards.
4521 * collect2.c: Likewise.
4522 * config/1750a/1750a.h: Likewise.
4523 * cppalloc.c: Likewise.
4524 * cppexp.c: Likewise.
4525 * cppfiles.c: Likewise.
4526 * cpphash.c: Likewise.
4527 * cpplib.c: Likewise.
4528 * dyn-string.c: Likewise.
4529 * fix-header.c: Likewise.
4532 * genattr.c: Likewise.
4533 * genattrtab.c: Likewise.
4534 * gencheck.c: Likewise.
4535 * gencodes.c: Likewise.
4536 * genconfig.c: Likewise.
4537 * genemit.c: Likewise.
4538 * genextract.c: Likewise.
4539 * genflags.c: Likewise.
4540 * gengenrtl.c: Likewise.
4541 * genopinit.c: Likewise.
4542 * genoutput.c: Likewise.
4543 * genpeep.c: Likewise.
4544 * genrecog.c: Likewise.
4545 * getpwd.c: Likewise.
4546 * halfpic.c: Likewise.
4548 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
4549 in NEED_DECLARATION_* macros.
4551 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
4552 conform to libiberty standards.
4553 (fatal): Fix const-ification of variable `format' in
4554 !ANSI_PROTOTYPES case.
4556 * prefix.c: Remove things made redundant by libiberty.h and/or
4557 conform to libiberty standards.
4559 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
4560 conflicting with function `spaces' from libiberty.
4562 * profile.c: Remove things made redundant by libiberty.h and/or
4563 conform to libiberty standards.
4564 * protoize.c: Likewise.
4567 * tlink.c: Likewise.
4568 * toplev.c: Likewise.
4569 * toplev.h: Likewise.
4572 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4574 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
4576 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4578 * README.C4X: Updated URLs.
4579 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
4580 (valid_parallel_operands_5): Remove unused variable.
4582 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4584 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
4586 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
4588 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
4589 which can be configured.
4590 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
4591 (Makefile): Pass actual LANGUAGES through the environment when
4593 (cstamp-h): Likewise.
4594 (config.status): Likewise.
4596 * configure.in (enable_languages): Add new configuration parameter
4597 "--enable-languages=lang1,lang2,...".
4598 (${srcdir}/*/config-lang.in): Change handling to configure only
4599 those directories, that the user might have enabled; default to
4600 "all" existing languages.
4601 * configure: Regenerate.
4603 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
4605 * rtlanal.c (regs_set_between_p): New function.
4606 * rtl.h (regs_set_between_p): Prototype it.
4607 * jump.c (jump_optimize): Use it instead of modified_between_p
4608 in the Sep 2 change.
4610 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
4611 Matthias Pfaller <leo@dachau.marco.de>
4613 * invoke.texi (Option Summary, NS32K Options): add description
4614 of NS32K specific options.
4616 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
4617 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
4618 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
4619 negdf2, absdf2): Use l instead of f since the double class and
4620 float class are no longer the same.
4621 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
4622 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
4623 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
4624 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
4626 (cmpsi, cmphi, cmpqi): use general_operand instead of
4627 non_immediate_operand. Removes erroneous assumption that can't
4629 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
4630 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
4632 (movstrsi, movstrsi1, movstrsi2): completely new block move
4634 (...): Patterns to exploit multiply-add instructions.
4635 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
4636 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
4637 patterns to exploit extended divide insns.
4638 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
4641 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
4642 float return values as well as simple scalar floats.
4643 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
4644 support new flag to denote 32381 fpu.
4645 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
4646 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
4648 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
4649 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
4650 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
4651 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
4652 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
4653 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
4654 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
4655 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
4656 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
4657 fpu registers and special register classes for new 32381
4658 instructions dotf and polyf.
4659 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
4661 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
4662 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
4664 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
4665 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
4666 (REGISTER_MOVE_COST): move code to register_move_cost function for
4667 ease of coding and debugging.
4668 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
4669 LONG_FLOAT_REGO is likely spilled but not caught by default
4671 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
4672 instead of hard coded numbers in range check.
4673 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
4674 (...): Add prototypes for functions in ns32k.c but disable because
4675 of problems when ns32k.h is included in machine independant files.
4677 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
4678 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
4679 hard_regno_mode_ok, secondary_reload_class,
4680 print_operand, print_operand_address): new register scheme to
4681 include 32381 fpu registers and special register classes for new
4682 32381 instructions dotf and polyf.
4683 (gen_indexed_expr): Make static to keep namespace clean.
4684 (check_reg): remove since never called.
4685 (move_tail, expand_block_move): helper functions for "movstrsi"
4687 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
4688 Increase cost of moves which go via memory.
4689 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
4690 (CPP_PREDEFINES): nolonger predefine "unix".
4692 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
4693 Remove erroneous %$. print_operand() can work out from the rtx is
4694 an immediate prefix is required.
4696 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
4697 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
4698 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
4700 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
4703 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
4704 Correct handling of pic operands.
4705 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
4706 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
4707 -mrtd calling convention.
4709 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
4711 * gcc.c (option_map): Recognize --output-class-directory.
4713 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4715 * loop.h (precondition_loop_p): Added new mode argument.
4716 * unroll.c (precondition_loop_p): Likewise.
4717 (approx_final_value): Function deleted and subsumed
4718 into loop_iterations.
4719 (loop_find_equiv_value): New function.
4720 (loop_iterations): Use loop_find_equiv_value to find increments
4721 too large to be immediate constants. Also use it to find terms
4722 common to initial and final iteration values that can be removed.
4724 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4726 * loop.h (struct loop_info): Define new structure.
4727 (precondition_loop_p): Added prototype.
4728 (unroll_loop): Added new argument loop_info to prototype.
4729 (final_biv_value, final_giv_value): Added new argument n_iterations
4731 * loop.c (strength_reduce): Declare new structure loop_iteration_info
4732 and new pointer loop_info.
4733 (loop_n_iterations): Replace global variable by element in
4734 loop_info structure.
4735 (check_final_value): New argument n_iterations.
4736 (insert_bct): New argument loop_info.
4737 (loop_unroll_factor): Replace global array by element in
4738 loop_info structure.
4739 (loop_optimize): Remove code to allocate and initialise
4740 loop_unroll_factor_array.
4741 * unroll.c (precondition_loop_p): No longer static since
4742 used by branch on count optimization.
4743 (precondition_loop_p, unroll_loop): New argument loop_info.
4744 (final_biv_value, final_giv_value, find_splittable_regs): New
4745 argument n_iterations.
4746 (loop_iteration_var, loop_initial_value, loop_increment,
4747 loop_final_value, loop_comparison_code, loop_unroll_factor):
4748 Replaced global variables by loop_info structure.
4749 (loop_unroll_factor): Replace global array by element in
4750 loop_info structure.
4752 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4754 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
4757 * unroll.c (precondition_loop_p): Return loop_initial_value
4758 for initial_value instead of loop_iteration_var.
4760 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4762 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
4763 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
4764 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
4765 to output the instruction sequences.
4767 (rptb_top): Provide alternatives to use any register or memory
4769 (rptb_end): Emit use of operands rather than assigning them
4770 explicitly to the RS and RE registers.
4772 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4774 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
4775 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
4776 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
4777 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
4778 c4x_merge_notes, c4x_parallel_process,
4779 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
4780 c4x_combine_parallel): Delete.
4782 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4784 * config/c4x/c4x.c: (c4x_override_options): For compatibility
4785 with old target options clear flag_branch_on_count_reg if
4786 -mno-rptb specified and set flag_argument_alias is -mno-aliases
4788 (c4x_output_cbranch): Handle a sequence of insns rather than a
4790 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
4791 has not been allocated as the loop counter.
4792 (c4x_address_conflict): Do not allow two volatile memory references.
4793 (valid_parallel_operands_4, valid_parallel_operands_5,
4794 valid_parallel_operands_6): Reject pattern if the register destination
4795 of the first set is used as part of an address in the second set.
4797 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4799 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
4800 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
4801 is no longer enabled if PARALLEL_MPY_FLAG set.
4802 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
4803 (REG_CLASS_CONTENTS): Add braces around initializers.
4804 (HAVE_MULTIPLE_PACK): Define.
4805 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
4806 REAL_VALUE_TO_DECIMAL.
4807 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
4808 REAL_VALUE_TO_DECIMAL.
4809 (ar0_reg_operand): Add prototype.
4810 (ar0_mem_operand): Likewise.
4811 (ar1_reg_operand): Likewise.
4812 (ar1_mem_operand): Likewise.
4813 (ar2_reg_operand): Likewise.
4814 (ar2_mem_operand): Likewise.
4815 (ar3_reg_operand): Likewise.
4816 (ar3_mem_operand): Likewise.
4817 (ar4_reg_operand): Likewise.
4818 (ar4_mem_operand): Likewise.
4819 (ar5_reg_operand): Likewise.
4820 (ar5_mem_operand): Likewise.
4821 (ar6_reg_operand): Likewise.
4822 (ar6_mem_operand): Likewise.
4823 (ar7_reg_operand): Likewise.
4824 (ar7_mem_operand): Likewise.
4825 (ir0_reg_operand): Likewise.
4826 (ir0_mem_operand): Likewise.
4827 (ir1_reg_operand): Likewise.
4828 (ir1_mem_operand): Likewise.
4829 (group1_reg_operand): Likewise.
4830 (group1_mem_operand): Likewise.
4831 (ir1_reg_operand): Likewise.
4832 (arx_reg_operand): Likewise.
4833 (not_rc_reg): Likewise.
4834 (not_modify_reg): Likewise.
4835 (c4x_group1_reg_operand): Remove prototype.
4836 (c4x_group1_mem_operand): Likewise.
4837 (c4x_arx_reg_operand): Likewise.
4839 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
4841 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
4842 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
4844 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4846 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
4849 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4851 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
4852 unless FMOVD_WORKS is defined.
4854 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4856 * regclass.c (init_reg_sets): Move code that calculates tables
4857 dependent on reg_class_contents from here...
4858 (init_reg_sets_1): To here.
4860 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4862 * cpplib.h: Delete struct import_file. Add ihash element to
4863 struct cpp_buffer. Delete dont_repeat_files and
4864 import_hash_table elements from cpp_reader; change
4865 all_include_files to a hash table. Delete all foobar_include
4866 / last_foobar_include elements from struct cpp_options; put
4867 back four such: quote_include, bracket_include,
4868 system_include, after_include. Redo struct file_name_list
4869 completely. Add new structure type include_hash. Add
4870 prototypes for merge_include_chains and include_hash. Change
4871 prototypes for finclude, find_include_file, and
4872 append_include_chain to match changes below.
4874 * cppfiles.c (simplify_pathname, include_hash,
4875 remap_filename, merge_include_chains): New functions.
4876 (add_import, lookup_import, open_include_file): Removed.
4877 (INO_T_EQ): Define this (copied from cccp.c).
4878 (hack_vms_include_specification): Remove all calls and #if 0
4879 out the definition. It was being called incorrectly and at
4880 the wrong times. Until a VMSie can look at this, it's better
4881 to not pretend to support it.
4882 (append_include_chain): Change calling convention; now takes
4883 only one directory at a time, and sets up the data structure
4885 (redundant_include_p): Rewritten - this is now used for all
4886 include redundancy, whether by #ifndef, #import, or #pragma
4887 once. Looks up things in the include hash table.
4888 (file_cleanup): Decrement pfile->system_include_depth here if
4890 (find_include_file): Calling convention changed; now passes
4891 around a struct include_hash instead of 3 separate parameters.
4892 Guts ripped out and replaced with new include_hash mechanism.
4893 (finclude): Calling convention changed as for
4894 find_include_file. Error exits pulled out-of-line. Reformat.
4895 (safe_read): Return a long, not an int.
4896 (deps_output): Don't recurse.
4898 * cpplib.c (is_system_include): Deleted.
4899 (path_include): Fix up call to append_include_chain.
4900 (do_include): Fix up calls to find_include_file and finclude.
4901 Clean up dependency output a bit. Shorten obnoxiously lengthy
4902 #import warning message. Don't decrement
4903 pfile->system_include_depth here.
4904 (do_pragma): Understand the include_hash structure. Reformat.
4905 (do_endif): Correct handling of control macros. Understand
4907 (cpp_start_read): Fix up calls to finclude. Call
4908 merge_include_chains.
4909 (cpp_handle_option): Fix up calls to append_include_chain.
4910 Understand the four partial include chains.
4911 (cpp_finish): Add debugging code (#if 0-ed out) for the
4913 (cpp_cleanup): Free the include_hash, not the import hash and
4914 the all_include and dont_repeat lists which no longer exist.
4916 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
4918 * toplev.c (no_new_pseudos): Define.
4919 (rest_of_compilation): Set no_new_pseudos as needed.
4920 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
4921 if no_new_pseudos is set.
4922 * rtl.h (no_new_pseudos): Declare it.
4923 * reload1.c (reload): Update comments.
4924 * md.texi: Corresponding changes.
4926 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4928 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
4929 (choose_reload_regs): Rename it here as well. When computing it,
4930 also merge in used hardregs.
4932 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4934 * gcc.c: Split out Objective-C specs to...
4935 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
4938 * c-lex.c (init_parse): Always initialize the filename global.
4939 * objc/objc-act.c (lang_init): Always call check_newline at
4942 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
4944 * reload1.c (reload): Remove unused variable.
4945 (reload_reg_free_for_value_p): Add missing parameter definition.
4947 * jump.c (jump_optimize): Remove unused variable.
4949 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
4951 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
4953 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
4955 * expr.c (move_by_pieces): Similarly.
4956 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
4957 * flow.c (find_auto_inc): Similarly.
4958 (try_pre_increment): Similarly.
4959 * loop.c (strength_reduce): Similarly.
4960 * regclass.c (auto_inc_dec_reg_p): Similarly.
4961 * regmove.c (try_auto_increment): Similarly.
4962 (fixup_match_1): Similarly.
4963 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
4964 (HAVE_PRE_DECREMENT): Similarly.
4965 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
4966 * Corresponding changes to all target header files.
4967 * tm.texi: Update docs for autoinc addressing modes.
4969 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
4971 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
4972 * configure: Rebuild.
4973 * config/elfos.h: New file.
4974 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
4975 config/m68k/t-m68kelf: New file.
4977 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
4979 * Makefile.in (HOST_AR): Define.
4980 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
4981 (libcpp.a): Use the host tools explicitly.
4982 (STAGESTUFF): Add libcpp.a.
4984 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
4986 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
4987 to source and destination registers.
4989 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
4991 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
4992 The strategy we now use is to pre allocate the top_elt along
4993 with the EH context so that each thread has its own top_elt.
4994 This is necessary as the dynmanic cleanup chain is used on the
4995 top element of the stack and each thread MUST have its own.
4996 (eh_context_static): Likewise.
4997 (new_eh_context): Likewise.
4998 (__sjthrow): Likewise.
5000 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
5002 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
5003 * i386.md (prologue_get_pc): Remove unused variable.
5005 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
5007 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
5009 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
5011 * Makefile.in (OBJS): Add graph.o
5012 (graph.o): New dependency list.
5013 * flags.h: Declare dump_for_graph and define graph_dump_types type.
5014 * print-rtl.c (dump_for_graph): Define new variable.
5015 (print_rtx): Rewrite to allow use in graph dumping functions.
5016 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
5017 finish_graph_dump_file.
5018 Define graph_dump_format.
5019 (compile_file): If graph dumping is enabled also clear these files.
5020 Finish graph dump files.
5021 (rest_of_compilation): Also dump graph information if enabled.
5022 (main): Recognize -dv to enabled VCG based graph dumping.
5023 * graph.c: New file. Graph dumping functions.
5025 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
5027 * configure.in: Look for <sys/stat.h>.
5028 * system.h: Include it before substitute S_ISREG definitions.
5030 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
5032 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
5033 * config/mips/iris6.h: Same.
5034 * config/mips/mips.md: Same.
5035 * config/mips/mips.c: Same; also add "-mabi=o64" option.
5036 * config/mips/mips.h: Same; also define ABI_O64.
5038 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5040 * configure.in: Use AC_PREREQ(2.12.1).
5042 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
5044 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
5045 * cpplib.c, gcc.c: Likewise.
5046 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
5048 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
5050 * local-alloc.c (local_alloc): Use malloc not alloca for
5051 reg_qty, reg_offset, ref_next_in_qty.
5053 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5055 * caller-save.c (insert_one_insn): Initialize the live_before and
5056 live_after register sets.
5060 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
5061 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
5062 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
5063 (fp_reg_names, assembler_dialect): New variables.
5064 (print_operand_address): Handle SUBREGs.
5065 (print_operand): Added 'o' case.
5066 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
5067 Name of FP registers depends on mode.
5068 (expand_block_move): Emit different code for SH4 hardware.
5069 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
5070 (from_compare): Likewise.
5071 (add_constant): New argument last_value. Changed all callers.
5072 (find_barrier): Don't try HImode load for FPUL_REG.
5073 (machine_dependent_reorg): Likewise.
5074 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
5075 (gen_far_branch): Emit a barrier after the new jump.
5076 (barrier_align): Don't trust instruction lengths before
5078 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
5079 Use auto-inc addressing for fp registers if doubles need to
5080 be loaded in two steps.
5081 Set sh_flag_remove_dead_before_cse.
5082 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
5083 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
5084 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
5085 Support for FIRST_XD_REG .. LAST_XD_REG.
5086 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
5087 (sh_expand_epilogue): Likewise.
5088 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
5089 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
5090 (arith_reg_operand): FPUL_REG is OK for SH4.
5091 (fp_arith_reg_operand, fp_extended_operand) New functions.
5092 (tertiary_reload_operand, fpscr_operand): Likewise.
5093 (commutative_float_operator, noncommutative_float_operator): Likewise.
5094 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
5095 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
5096 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
5097 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
5098 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
5099 (CONDITIONAL_REGISTER_USAGE): Likewise.
5100 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
5101 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
5102 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
5103 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
5104 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
5105 to -1 and sh_flag_remove_dead_before_cse to 1.
5106 (ASSEMBLER_DIALECT): Define to assembler_dialect.
5107 (assembler_dialect, fp_reg_names): Declare.
5108 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
5109 Hide names of registers that are not accessible.
5110 (CACHE_LOG): Take TARGET_CACHE32 into account.
5111 (LOOP_ALIGN): Take TARGET_HARWARD into account.
5112 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
5113 (FIRST_PSEUDO_REGISTER: Now 49.
5114 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
5115 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
5116 (HARD_REGNO_MODE_OK): Update.
5117 (enum reg_class): Add DF_REGS and FPSCR_REGS.
5118 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
5119 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
5120 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
5121 (NPARM_REGS): Eight floating point parameter registers on SH4.
5122 (BASE_RETURN_VALUE_REG): SH4 also passes double values
5123 in floating point registers.
5124 (GET_SH_ARG_CLASS) Likewise.
5125 Complex float types are also returned in float registers.
5126 (BASE_ARG_REG): Complex float types are also passes in float registers.
5127 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
5128 (LIBCALL_VALUE): Remove trailing semicolon.
5129 (ROUND_REG): Round when double precision value is passed in floating
5131 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
5132 passed on the stack.
5133 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
5134 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
5135 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
5136 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
5137 (MODE_DISP_OK_8): Not for SH4 DFmode.
5138 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
5139 Allow indexed addressing for PSImode after reload.
5140 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
5141 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
5142 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
5143 (DOUBLE_TYPE_SIZE): 64 for SH4.
5144 (RTX_COSTS): Add PLUS case.
5145 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
5146 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
5147 MAC_REGS, PR_REGS, DF_REGS.
5148 (REGISTER_NAMES): Use fp_reg_names.
5149 (enum processor_type): Add PROCESSOR_SH4.
5150 (sh_flag_remove_dead_before_cse): Declare.
5151 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
5152 (PREDICATE_CODES): Add binary_float_operator,
5153 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
5154 fpscr_operand, noncommutative_float_operator.
5155 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
5156 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
5157 * sh.md (attribute cpu): Add value sh4.
5158 (attrbutes fmovd, issues): Define.
5159 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
5160 (function units memory, int, mpy, fp): Make dependent on issue rate.
5161 (function units issue, single_issue, load_si, load): Define.
5162 (function units load_store, fdiv, gp_fpul): Define.
5163 (attribute hit_stack): Provide proper default.
5164 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
5165 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
5166 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
5167 (mulsi3_call): Now uses match_operand for function address.
5168 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
5170 (push, pop, push_e, pop_e): Now define_expands.
5171 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
5172 (movsi_ie): Added y/i alternative.
5173 (ic_invalidate_line_i, movdf_i4): New insns.
5174 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
5175 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
5176 (movdf): Add special code for SH4.
5177 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
5178 (call_valuei, calli, call_value): Likewise.
5179 (movsf): Emit no-op move.
5180 (mov_nop, movsi_y): New insns.
5181 (blt, sge): generalize to handle DFmode.
5182 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
5183 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
5184 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
5185 (fpu_switch0, fpu_switch1, movpsi): New expanders.
5186 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
5187 (toggle_sz): New insn.
5188 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
5189 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
5190 (macsf3): Make use of fpscr visible. Disable for SH4.
5191 (floatsisf2): Make use of fpscr visible.
5192 (floatsisf2_i4): New insn.
5193 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
5194 (ieee_ccmpeqsf_t): Likewise.
5195 (fix_truncsfsi2): Emit different code for SH4.
5196 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
5197 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
5198 (negsf2, sqrtsf2, abssf2): Now expanders.
5199 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
5200 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
5201 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
5202 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
5203 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
5204 (fix_truncdfsi2_i4_2+1): New splitters.
5205 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
5206 (extendsfdf2, truncdfsf2): New expanders.
5207 (truncdfsf2_i4): New insn.
5208 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
5209 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
5210 * float-sh.h: When testing for __SH3E__, also test for
5211 __SH4_SINGLE_ONLY__ .
5212 * va-sh.h (__va_freg): Define to float.
5213 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
5214 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
5215 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
5216 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
5218 (TARGET_SH4_P): Define.
5221 * sh.md (movdf_k, movsf_i): Tweak the condition so that
5222 init_expr_once is satisfied about the existence of load / store insns.
5224 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
5225 change m constraint in source operand to mr / mf .
5227 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
5229 * (__VA_REEF): Define.
5230 (__va_arg_sh1): Use it.
5232 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
5234 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
5236 * i386/dgux.c (struct option): Add new "description field".
5237 * m88k/m88k.c (struct option): Likewise.
5239 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
5241 * version.c: Bump for snapshot.
5243 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5245 * regmove.c (regmove_profitable_p): Use return value of find_matches
5248 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
5250 * version.c: Bump for snapshot.
5252 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
5254 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
5255 without reload having been called earlier.
5257 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
5259 (v850_reorg): Similarly.
5261 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
5263 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5265 * loop.c (move_movables): Start of libcall might be new loop start.
5267 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5269 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
5271 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5273 * function.c (nonlocal_goto_handler_slots): Renamed from
5274 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
5275 (push_function_context_to): Adjust for this change.
5276 (pop_function_context_from): Likewise.
5277 (init_function_start): Likewise.
5278 (expand_function_end): Likewise.
5279 * function.h (struct function): Likewise.
5280 * calls.c (expand_call): Likewise.
5281 * explow.c (allocate_dynamic_stack_space): Likewise.
5282 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
5283 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
5285 (expand_goto): When doing a nonlocal goto, find corresponding handler
5286 slot for it. Don't put the label address in the static chain register.
5287 (expand_end_bindings): Break out nonlocal goto handling code into
5288 three new functions.
5289 (expand_nl_handler_label, expand_nl_goto_receiver,
5290 expand_nl_goto_receivers): New static functions, broken out of
5291 expand_end_bindings and adapted to create one handler per nonlocal
5293 * function.c (delete_handlers): Delete insn if it references any of
5294 the nonlocal goto handler slots.
5295 * i960.md (nonlocal_goto): Comment out code that modifies
5297 * sparc.md (nonlocal_goto): Likewise.
5298 (goto_handler_and_restore_v9): Comment out.
5299 (goto_handler_and_restore_v9_sp64): Comment out.
5301 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5303 * expr.c (STACK_BYTES): Delete unused macro.
5304 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
5305 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5306 (expand_call): Likewise.
5307 (emit_library_call): Likewise.
5308 (emit_library_call_value): Likewise.
5309 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
5310 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5311 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
5312 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
5313 (allocate_dynamic_stack_space): Likewise.
5314 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
5315 (STACK_BOUNDARY): Update description to reflect the new situation.
5317 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
5319 * reorg.c (relax_delay_slots): When optimizing for code size, if a
5320 return with a filled delay slot is followed by a return with an
5321 unfilled delay slot, delete the first return and reemit the insn
5322 that was previously in its delay slot.
5324 * i860.c (single_insn_src_p): Add missing parens.
5325 * ginclude/math-3300.h: Likewise.
5327 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
5329 * regclass.c (init_reg_sets_1): Add prototype.
5330 (init_reg_modes): Likewise.
5332 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
5334 * c-common.c: Change warning messages to say `comparison is
5335 always true' or `comparison is always false' instead of the
5336 confusing `is always 0', `is always 1'.
5338 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
5340 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
5341 break instead of return (which loses closing '>').
5343 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
5345 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
5346 standard 387 constants.
5348 * i386.md (jump): Explicitly set "memory" attribute.
5349 (indirect_jump, prologue_set_stack_ptr): Likewise.
5350 (prologue_get_pc_and_set_got, pop): Likewise.
5351 (allocate_stack_worder, blockage, return_internal): Likewise.
5352 (return_pop_internal, nop): Likewise.
5353 (epilogue_set_stack_ptr, leave): Likewise.
5355 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
5357 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
5359 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5361 * reload1.c (reload_reg_free_for_value_p):
5362 Early auto_inc reloads don't conflict with outputs.
5364 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5366 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
5367 Instead call AC_HEADER_SYS_WAIT.
5369 * collect2.c: Don't provide defaults for sys/wait.h macros.
5371 * protoize.c: Likewise. Also, don't include sys/wait.h.
5373 * system.h: Include sys/wait.h and provide macro defaults.
5375 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5377 * Makefile.in (mandir): Set to @mandir@.
5378 (man1dir): New variable to hold the former value of $(mandir).
5379 Replace all uses of $(mandir) by $(man1dir).
5381 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
5383 * reload.c (find_reloads_address_part): If have a CONST_INT, create
5384 a new one before passing it to force_const_mem.
5386 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
5387 find_reloads_address call.
5389 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5391 * expr.c (store_expr): Don't generate load-store pair
5392 if TEMP is identical (according to ==) with TARGET.
5394 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5396 * reload1.c (reload_reg_free_for_value_p): When considered reload
5397 has an output, matching inputs are not sufficient to avoid conflict.
5399 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
5401 * hash.h (hash_table_key): New type.
5402 (hash_entry): Change `string' field to generic `key'.
5403 (hash_table): Add `comp' and `hash' functions.
5404 (hash_table_init): Take them as input.
5405 (hash_table_init_n): Likewise.
5406 (hash_lookup): Modify for generic keys.
5407 (hash_newfunc): Likewise.
5408 (hash_traverse): Likewise.
5409 (string_hash): New function.
5410 (string_compare): Likewise.
5411 (string_copy): Likewise.
5412 * hash.c (hash_table_init_n): Modify for generic keys.
5413 (hash_table_init): Likewise.
5414 (hash_lookup): Likewise.
5415 (hash_newfunc): Likewise.
5416 (hash_traverse): Likewise.
5417 (string_hash): Split out from hash_lookup.
5418 (string_compare): New function.
5419 (string_copy): Split out from hash_lookup.
5420 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
5422 (symbol_hash_lookup): Likewise.
5423 (file_hash_newfunc): Likewise.
5424 (file_hash_lookup): Likewise.
5425 (demangled_hash_newfunc): Likewise.
5426 (demangled_hash_lookup): Likewise.
5427 (tlink_int): Likewise.
5428 (read_repo_file): Likewise.
5429 (recompile_files): Likewise.
5430 (demangle_new_symbols): Likewise.
5431 (scan_linker_output): Likewise.
5433 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5435 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
5437 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
5439 * rs6000.c (output_mi_thunk): Improve test for local branch.
5441 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5443 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
5445 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5447 * reload1.c (reload_reg_free_before_p): Delete.
5448 Changed all callers to use reload_reg_free_for_value_p instead.
5449 (reload_reg_free_for_value_p): Handle more reload types.
5450 A RELOAD_FOR_INPUT doesn't conflict with its
5451 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
5452 Add special case for OUT == const0_rtx.
5453 Added ignore_address_reloads argument. Changed all callers.
5455 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
5457 * toplev.c (compile_file): Don't pedwarn about undefined static
5458 functions just because we passed -Wunused.
5460 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5462 * function.c (purge_addressof_1): Unshare rtl created by
5465 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5467 * regmove.c (regmove_optimize): Don't do anything but
5468 optimize_reg_copy[123] when flag_regmove is not set.
5470 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
5472 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
5473 value in paradoxical SImode result, rather than truncating midpoint.
5475 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
5477 * alpha.c (reg_not_elim_operand): New.
5478 * alpha.h (PREDICATE_CODES): Add it.
5479 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
5480 for the multiplicand.
5482 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
5484 * rs6000.md (movsf): Remove explicit secondary-reload-like
5485 functionality. Only truncate SFmode store if in FPR.
5486 (movsf splitters): Combine const_double splitters.
5487 (movsf_hardfloat): Add GPR support.
5489 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
5491 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
5492 deprecate -mlive-g0 and -mbroken-saverestore.
5493 * t-splet (MULTILIB_OPTIONS): Likewise.
5495 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
5496 in a leaf function. Clarify total_size/extra_size relationship.
5498 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
5500 * i386/cygwin32.asm: Delete.
5501 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
5502 * i386/cygwin32.h: Delete.
5503 * i386/cygwin.h: New file, renamed from cygwin32.h.
5504 * i386/t-cygwin32: Delete.
5505 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
5506 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
5507 * i386/x-cygwin32: Delete.
5508 * i386/x-cygwin: New file, renamed from x-cygwin32.
5509 * i386/xm-cygwin32: Delete.
5510 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
5511 renamed cygwin_ funcs for path translations.
5512 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
5513 * i386/winnt.c: Remove "32" from comment about cygwin.
5514 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
5515 * rs6000/cygwin32.h: Delete.
5516 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
5517 -D__CYGWIN__ to CPP_PREDEFINES.
5518 * rs6000/x-cygwin32: Delete.
5519 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
5520 * rs6000/xm-cygwin32: Delete.
5521 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
5523 * configure.in: Check for cygwin* instead of cygwin32. Account
5524 for the rename of cygwin-related config files to lose the "32"s.
5525 * configure: Regenerate.
5527 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
5528 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
5530 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
5532 * Makefile.in (JAVAGC): New macro.
5533 * configure: Rebuilt.
5534 * configure.in: Recognize --enable-java-gc argument. Subst
5537 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5539 Handle equivalences that have been obscured by gcse:
5541 * reload1.c (reload): Handle equivalences set up in multiple places.
5542 * local-alloc.c (reg_equiv_init_insns): New variable.
5543 (no_equiv): New function.
5544 (update_equiv_regs): Handle equivalences set up in multiple places.
5545 Don't ignore an insn just because its destination is likely to be
5548 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
5550 * except.c (expand_eh_return): Readd force_operand call lost in
5553 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
5555 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
5557 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5559 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
5561 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5563 * regmove.c (regmove_optimize): Fix error in last change.
5565 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
5567 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
5568 offset in the .mask pseudo to compensate for frame pointer adjustments.
5569 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
5570 word swap arguments moved to/from FP registers.
5571 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
5573 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
5575 * version.c: Bump for snapshot.
5577 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
5579 * version.c: Bump for snapshot.
5581 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
5583 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
5584 times, then it can not be completely replaced.
5586 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
5588 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
5590 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5592 * gansidecl.h: Prepend a "G" to the macro wrapping this file
5593 (to distinguish it from the macro wrapping ansidecl.h.)
5594 Include libiberty's ansidecl.h. Remove all redundant definitions.
5595 Define the PROTO() style macros in terms of the PARAMS() ones.
5598 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
5599 __STDC__, when deciding whether to use ANSI variable args.
5600 (emit_library_call_value): Likewise.
5602 * cccp.c (error): Likewise.
5603 (warning): Likewise.
5604 (error_with_line): Likewise.
5605 (warning_with_line): Likewise.
5606 (pedwarn): Likewise.
5607 (pedwarn_with_line): Likewise.
5608 (pedwarn_with_file_and_line): Likewise.
5611 * cexp.y (error): Likewise.
5612 (pedwarn): Likewise.
5613 (warning): Likewise.
5615 * collect2.c (fatal_perror): Likewise.
5619 * combine.c (gen_rtx_combine): Likewise.
5621 * cpperror.c (cpp_message): Likewise.
5622 (cpp_fatal): Likewise.
5624 * cpplib.c (cpp_error): Likewise.
5625 (cpp_warning): Likewise.
5626 (cpp_pedwarn): Likewise.
5627 (cpp_error_with_line): Likewise.
5628 (cpp_warning_with_line): Likewise.
5629 (cpp_pedwarn_with_line): Likewise.
5630 (cpp_pedwarn_with_file_and_line): Likewise.
5632 * cpplib.h: Don't define PARAMS() macro.
5634 * demangle.h: Likewise.
5636 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
5637 when deciding whether to use ANSI variable args.
5639 * emit-rtl.c (gen_rtx): Likewise.
5640 (gen_rtvec): Likewise.
5642 * final.c (asm_fprintf): Likewise.
5644 * fix-header.c (cpp_message): Likewise.
5646 (cpp_fatal): Likewise.
5648 * gcc.c (concat): Likewise.
5652 * genattr.c (fatal): Likewise.
5654 * genattrtab.c (attr_rtx): Likewise.
5655 (attr_printf): Likewise.
5658 * gencodes.c (fatal): Likewise.
5660 * genconfig.c (fatal): Likewise.
5662 * genemit.c (fatal): Likewise.
5664 * genextract.c (fatal): Likewise.
5666 * genflags.c (fatal): Likewise.
5668 * genopinit.c (fatal): Likewise.
5670 * genoutput.c (fatal): Likewise.
5673 * genpeep.c (fatal): Likewise.
5675 * genrecog.c (fatal): Likewise.
5677 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
5678 deciding whether to declare `tree_node' and `rtx_def'.
5680 * hash.h: Don't define stuff we get from gansidecl.h.
5682 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
5683 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
5684 whether to use ANSI variable args.
5687 * prefix.c (concat): Likewise.
5691 * system.h: Likewise.
5693 * toplev.c (error_with_file_and_line): Likewise.
5694 (error_with_decl): Likewise.
5695 (error_for_asm): Likewise.
5698 (warning_with_file_and_line): Likewise.
5699 (warning_with_decl): Likewise.
5700 (warning_for_asm): Likewise.
5701 (warning): Likewise.
5702 (pedwarn): Likewise.
5703 (pedwarn_with_decl): Likewise.
5704 (pedwarn_with_file_and_line): Likewise.
5706 (really_sorry): Likewise.
5708 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
5709 whether to declare `tree_node' and `rtx_def'.
5711 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
5712 deciding whether to use ANSI variable args.
5713 (build_nt): Likewise.
5714 (build_parse_node): Likewise.
5716 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
5718 * version.c: Bump for snapshot.
5720 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5722 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
5724 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5726 * collect2.c (main, case 'b'): Use else if.
5728 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5730 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
5731 Arrange to include gansidecl.h in {ht}config.h & tm.h just
5732 before the config/ directory headers.
5733 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
5734 gansidecl.h in the list of dependencies.
5736 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
5737 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
5738 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
5739 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
5740 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
5741 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
5744 * cccp.c: Don't include gansidecl.h.
5746 * collect2.c: Likewise.
5747 * config/c4x/c4x.c: Likewise.
5748 * config/v850/v850.h: Likewise.
5749 * cppalloc.c: Likewise.
5750 * cpperror.c: Likewise.
5751 * cppexp.c: Likewise.
5752 * cppfiles.c: Likewise.
5753 * cpphash.c: Likewise.
5754 * cpplib.c: Likewise.
5755 * cppmain.c: Likewise.
5756 * cppulp.c: Likewise.
5757 * demangle.h: Likewise.
5758 * doprint.c: Likewise.
5759 * dyn-string.c: Likewise.
5760 * eh-common.h: Likewise.
5761 * fix-header.c: Likewise.
5762 * frame.c: Likewise.
5765 * gen-protos.c: Likewise.
5766 * gencheck.c: Likewise.
5767 * halfpic.h: Likewise.
5769 * machmode.h: Likewise.
5770 * mbchar.c: Likewise.
5771 * prefix.c: Likewise.
5772 * protoize.c: Likewise.
5773 * recog.h: Likewise.
5775 * scan-decls.c: Likewise.
5777 * varray.h: Likewise.
5779 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
5781 * i386.md (call_value_pop): If we're not popping anything,
5782 defer to call_value.
5783 (call_pop): Likewise defer to call.
5785 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
5787 * function.c (purge_addressof): Clear purge_addressof_replacements
5788 only after processing the whole function.
5790 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
5792 * reload1.c (reload): If we can not perform a particular elimination
5793 when we thought we could earlier, then we must always iterate through
5794 the loop at least one more time.
5796 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
5798 * alpha.c (add_operand): Simplify the CONST_INT match.
5799 (sext_add_operand): Correct typo in comparison by using
5800 CONST_OK_FOR_LETTER_P.
5801 * alpha.md (s?addq): Use sext_add_operand to allow the negative
5802 constant alternatives to be generated.
5803 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
5804 small constants, since the hw instructions do.
5806 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5808 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
5809 previous insn to store directly into our reload register, make sure
5810 that if the source of the previous insn is a reload register, its
5811 spill_reg_store and spill_reg_stored_to values are cleared.
5813 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
5815 * rs6000.md (floatunssidf2_internal splitter): Use base register
5816 operand, not hard-coded SP.
5818 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5820 * jump.c (calculate_can_reach_end): Fix thinko.
5822 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
5824 * reorg.c (fill_simple_delay_slots): Fix typo.
5826 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
5828 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
5830 * i386.md (extendsidi2): Use # in the output template.
5831 (extendsidi splitters): New splitters.
5833 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
5835 * configure.in: Use unknown-elf.h as tm_file for arm-elf
5837 * configure: Regenerate.
5839 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5841 * jump.c (init_label_info, delete_barrier_successors,
5842 mark_all_labels, delete_unreferenced_labels,
5843 delete_noop_moves, calculate_can_reach_end): New functions broken
5844 out of jump_optimize.
5845 (jump_optimize): Use them.
5847 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5849 * except.c (expand_fixup_region_end): Make sure outer context labels
5850 are not issued in an inner context during cleanups.
5852 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
5854 * alpha.md (addsi3, subsi3): No new temporaries once cse is
5857 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
5859 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
5860 to expose this midpoint to CSE.
5862 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5864 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
5866 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5868 * configure.in: Bring over gcc2 change of Nov 19 1997.
5870 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
5872 * toplev.c (output_lang_identify): Make definition dependent on
5873 ASM_IDENTIFY_LANGUAGE.
5875 * print-rtl.c (spaces): Make static.
5877 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
5879 * extend.texi: Clarify proper uses for register clobbers in asms.
5881 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5883 * recog.h (enum op_type): Define.
5884 (constrain_operands): Adjust prototype.
5885 (recog_op_type): Declare new variable.
5886 * recog.c (recog_op_type): New variable.
5887 (insn_invalid_p): Allow modifying an asm statement after reload.
5888 (extract_insn): Set up recog_op_type.
5889 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
5890 Don't compute operand types, use recog_op_type.
5891 Use the information computed by extract_insn instead of the previous
5892 method of finding it by insn code number.
5893 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
5894 * reorg.c (fill_slots_from_thread): Likewise.
5895 * reload1.c (reload_as_needed): Likewise.
5896 (gen_reload): Likewise.
5897 (inc_for_reload): Likewise.
5898 (reload_cse_simplify_operands): Likewise.
5899 Use the information computed by extract_insn instead of the previous
5900 method of finding it by insn code number.
5901 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
5903 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
5904 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
5905 Use the information computed by extract_insn instead of the previous
5906 method of finding it by insn code number.
5907 * regmove.c (find_matches): Likewise. Change meaning of the return
5908 value to be nonzero if the optimization can be performed, zero if
5909 not. All callers changed.
5910 Shorten some variable names to fix formatting problems.
5911 (regmove_optimize): Shorten some variable names to fix formatting
5913 Use the information computed by extract_insn instead of the previous
5914 method of finding it by insn code number.
5915 * regclass.c (scan_one_insn): Likewise.
5916 (record_reg_classes): Don't compute operand types, use recog_op_type.
5917 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
5918 recog_constraints instead.
5920 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
5922 * rtl.h (flow2_completed): Declare.
5923 * flow.c (flow2_completed): Definition.
5924 * toplev.c (rest_of_compilation): Set and clear flow2_completed
5927 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
5929 * Makefile.in (libcpp.a): Ranlib libcpp.a
5931 * cppulp.c (user_label_prefix): Initialize.
5933 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
5935 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
5936 at a RETURN if current_function_sp_is_unchanging is set.
5938 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5940 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
5942 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
5944 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
5945 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
5946 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
5947 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
5948 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
5949 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
5951 (LIB_SPEC): Handle -mno-cyginw option.
5952 (LINK_SPEC): Handle -mdll.
5954 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5956 * reload.c (find_reloads): Fix test for usage by other reload
5957 to handle secondary reloads properly.
5959 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5961 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
5962 intermediate structure which has exactly the members provided by
5963 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
5964 static intermediate structure.
5966 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
5967 from the intermediate structure. Do the same analogous fix in
5968 the case where ELIMINABLE_REGS is not defined.
5970 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
5972 * pa.h (SELECT_SECTION): Fix thinko.
5974 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
5976 * dwarf2out.c (output_call_frame_info): Comments on last change.
5978 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
5980 * arm.c (add_constant): When taking the address of an item in the
5981 pool, get the mode of the item addressed.
5983 * arm.c (final_prescan_insn case INSN): If an insn doesn't
5984 contain a SET or a PARALLEL, don't consider it for conditional
5987 Restore ABI compatibility for NetBSD.
5988 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
5990 (RETURN_IN_MEMORY): Likewise.
5992 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
5994 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
5995 (m32r_output_block_move): Rewrite bytes < 4 handling.
5997 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5999 * configure.in: Call AC_FUNC_VFORK.
6001 * collect2.c: Define VFORK_STRING as a printable string for
6002 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
6003 defined, include vfork.h. If VMS is defined, define vfork()
6004 appropriately. Remove vfork check on USG, we're using autoconf.
6005 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
6006 checking locally what string to pass.
6007 (scan_prog_file): Likewise.
6008 (scan_libraries): Likewise.
6010 * gcc.c: Remove vfork check on USG, we're using autoconf.
6011 Besides, no calls to vfork/fork occur in this file.
6013 * protoize.c: Likewise.
6015 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6017 * configure.in (DEFAULT_LINKER): renamed from LD
6018 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
6019 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
6020 * configure: rebuilt
6022 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6024 * BUGS: fix the regexp for `more' to find the appropriate node.
6025 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
6027 * BUGS: added link to the WWW FAQ
6029 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
6031 * version.c: Bump for snapshot.
6033 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
6035 * From Christian Gafton:
6036 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
6037 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
6038 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
6040 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
6042 * c-common.c (c_get_alias_set): Allow all type-punning through
6043 unions. Don't get confused about the type of a bit-field, despite
6044 the antics of build_modify_expr.
6046 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
6048 * fixinc.sco: Paramaterize #include_next values.
6049 * fixinc/fixinc.sco: Likewise.
6051 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
6053 * toplev.c (rest_of_compilation): No longer set reload_completed.
6054 * reload1.c (reload): Set it here. Perform instruction splitting
6055 after reload has completed if we will be running the scheduler
6058 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
6060 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
6061 EH region if exceptions are enabled and we're performing cross
6063 (find_cross_jump): Exit loop if the insns are in different EH regions.
6065 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
6067 * dwarf2out.c (output_call_frame_info): Use
6068 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
6070 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6072 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
6073 * c-common.c (check_format_info): Don't check for the 'x'
6074 format character twice, instead check for 'x' and 'X'
6076 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
6078 * configure.in (assembler features): Also make gas is configured if
6079 we find it in the souce tree.
6081 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
6083 * i386.c (i386_comp_type_attributes): Compare whether the
6084 attributes are defined, not their tree nodes.
6086 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6088 * configure.in (gxx_include_dir): bitten by autoconf quoting
6090 * configure: rebuilt
6092 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6094 * configure.in: Ignore non-absolute value in $AS.
6096 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
6098 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
6100 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
6102 * configure.in (msdosdjgpp): Set exeext and target_alias.
6104 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6106 * flow.c (XNMALLOC): New macro.
6107 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
6109 (add_edge, add_edge_to_label): New static functions.
6110 (free_bb_memory): New function.
6111 (flow_delete_insn): Delete function.
6112 (basic_block_drops_in): Delete variable.
6113 (find_basic_blocks): Allocate and initialize basic_block_head,
6114 basic_block_succ. Don't allocate basic_block_drops_in.
6115 Call free_bb_memory at the beginning.
6116 (find_basic_blocks_1): Don't do multiple passes.
6117 Delete code to compute basic_block_drops_in.
6118 After calling make_edges, mark blocks reached by current block live.
6119 Update test for unreachable live blocks.
6120 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
6122 Simplify to call add_edge_to_label when a LABEL_REF is found.
6123 (make_edges): Simplify to call add_edge_to_label instead of
6124 mark_label_ref most of the time.
6125 Compute here whether control drops into the next block.
6126 (delete_unreachable_blocks): Return void. All callers changed.
6127 Delete unreachable blocks in reverse order.
6128 After deleting all unreachable blocks, renumber the remaining ones
6129 and update n_basic_blocks.
6130 (delete_block): Speed up deletion a bit.
6131 Don't set basic_block_drops_in for deleted blocks.
6132 (free_basic_block_vars): Don't free basic_block_drops_in.
6133 (life_analysis_1): Update to use new edge representation.
6134 (dump_flow_info): Delete code to print basic block info; call
6135 dump_bb_data instead.
6136 (compute_preds_succs): Delete code to recompute basic_block_drops_in
6137 and uid_block_number.
6138 Simply copy the previously computed cfg.
6139 (dump_bb_data): New arg LIVE_INFO. All callers changed.
6140 Print register lifetime information if LIVE_INFO is nonzero.
6141 * basic-block.h (dump_bb_data): Adjust prototype.
6142 * gcse.c (gcse_main): Update call to dump_bb_data.
6143 * rtl.h (free_bb_memory): Declare.
6144 * toplev.c (rest_of_compilation): Call free_bb_memory.
6146 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
6147 (update_eliminable_offsets): Don't compute it.
6148 (set_initial_elim_offsets): Don't initialize it.
6149 Break out some code into set_initial_label_offsets so the rest of
6150 this function can be called from reload_as_needed.
6151 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
6152 ELIMINABLE_REGS isn't.
6153 (set_initial_label_offsets): New function, broken out of
6154 set_initial_elim_offsets.
6155 (set_offsets_for_label): New function, broken out of set_label_offsets
6156 and reload_as_needed.
6157 (reload): Call the two new functions.
6158 (reload_as_needed): Call set_initial_elim_offsets instead of
6159 duplicating the code. Likewise for set_offsets_for_label.
6161 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
6162 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
6163 any hard reg, reg_reloaded_dead contains valid data.
6165 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
6167 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
6168 "stdcall" and "cdecl" attributes.
6170 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
6172 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
6173 handle deleted no-op moves of hard registers.
6174 * haifa-sched.c (update_flow_info): Likewise.
6176 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
6178 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
6179 of the sequences to reload the HILO register which do not actually
6182 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
6184 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
6186 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
6188 * except.c (emit_eh_context): Make the EH context register stay alive
6189 at -O0 so stupid.c doesn't get confused.
6191 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6193 * emit-rtl.c (try_split): Do not try to split a BARRIER.
6195 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
6196 Jeffrey A Law (law@cygnus.com)
6198 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
6199 (zero_extendsidi2): Use # in output template and handle completely by
6201 (zero_extend splitters): New define_splits.
6202 (ashiftrt_32): New pattern.
6204 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
6206 * tree.c (append_random_chars): New fn.
6207 (get_file_function_name_long): Use it.
6209 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
6211 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
6212 (LIBCPP_OBJS): New. Add cppulp.o.
6213 (cppmain, fix-header): Depend on and use libcpp.a.
6214 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
6215 of the individual object files.
6216 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
6219 * cccp.c (user_label_prefix): New.
6220 (main): Set it off -f*leading-underscore.
6221 (special_symbol): Use it.
6222 * cpplib.c (special_symbol): Likewise.
6223 (cpp_handle_option): Handle -f*leading-underscore.
6224 * cppulp.c: New file.
6226 * output.h (user_label_prefix): Declare it.
6227 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
6228 * toplev.c (f_options, main): Handle -f*leading-underscore.
6230 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
6231 referencing USER_LABEL_PREFIX directly.
6232 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
6233 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
6234 * final.c (asm_fprintf): Use user_label_prefix instead.
6235 * arm/thumb.c (thumb_print_operand): Likewise.
6237 * gcc.c (default_compilers): Pass -f*leading-underscore on to
6238 cpp wherever appropriate.
6240 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
6242 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
6243 specific compiler switches.
6245 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
6247 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
6250 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6252 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
6253 structure which has exactly the members provided by EXTRA_SPECS.
6254 Xmalloc() the real `extra_specs', and initialize it from this
6255 intermediate structure.
6257 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
6259 * mips.h (EXTRA_SPECS): Likewise.
6261 * sparc.h (EXTRA_SPECS): Likewise.
6263 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6265 * function.c (purge_addressof_1): Instead of aborting when a
6266 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
6267 work just put the ADDRESSOF on stack. Otherwise remember all such
6268 successfull replacements, so that exactly the same replacements
6269 can be made on the REG_NOTEs. Remove the special case for CALL
6271 (purge_addressof_replacements): New variable.
6272 (purge_addressof): Clear it at end.
6274 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6276 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
6277 (lang_init): Call check_newline always.
6278 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
6279 cpp_start_read, set yy_cur and yy_lim to read from
6280 parse_in.token_buffer, so that we'll see the first #line
6282 * cpplib.c (cpp_start_read): finclude the main input file
6283 before processing -include/-imacros. Process -imacros and
6284 -include separately, and handle -include by stacking a
6285 buffer for the file in question as if it'd been #included.
6286 * toplev.c (documented_lang_options) Recognize -H when
6289 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
6291 * cpplib.c: Merge do_once into do_pragma. Break file handling
6292 code out of do_include.
6293 Move append_include_chain, deps_output,
6294 file_cleanup, redundant_include_p, import_hash,
6295 lookup_import, add_import, read_filename_string, read_name_map,
6296 open_include_file, finclude, safe_read to cppfiles.c.
6297 Move prototypes for deps_output, append_include_chain,
6298 finclude to cpplib.h. Move definition of struct
6299 file_name_list there also.
6301 * cppfiles.c: New file. Contains all the above functions
6302 broken out of cpplib.c; also hack_vms_include_specification
6303 from cccp.c and find_include_file, a new function broken out of
6306 * Makefile.in (cppmain): Depend on cppfiles.o.
6307 (fix-header): Likewise.
6308 (cppfiles.o): New target.
6309 * configure.in (--enable-c-cpplib): Add cppfiles.o to
6310 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
6312 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
6314 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
6315 if pending_types is non-zero.
6316 (dwarfout_finish): Verify pending_types is zero before finishing.
6318 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
6320 * expr.c (convert_move): Use shifts to perform the move if a
6321 suitable extend pattern cannot be found. Code written by
6322 Richard Henderson <rth@cygnus.com>.
6324 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6326 * regclass.c (renumber, regno_allocated): New static variables, moved
6327 out of allocate_reg_info.
6328 (allocate_reg_info): Move these two variables outside the function.
6329 Move code to free memory into new function free_reg_info.
6330 (free_reg_info): New function, broken out of allocate_reg_info.
6331 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
6332 * rtl.h (allocate_reg_info): Don't declare.
6333 (free_reg_info): Declare.
6335 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
6337 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
6339 * toplev.c (compile_file): Temporarily revert last change.
6341 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
6343 * c-typeck.c (convert_for_assignment): Parenthesize.
6345 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6347 * reload1.c (delete_output_reload): Avoid ambigous else.
6349 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
6351 * toplev.c (compile_file): Call allocate_reg_info to free register
6353 * rtl.h (allocate_reg_info): Declare.
6355 * PROJECTS: Remove entry for local spilling.
6357 * final.c (cleanup_subreg_operands): New function.
6358 (final_scan_insn): Use it.
6359 (alter_subreg): Clear the "used" field when we turn a SUBREG into
6361 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
6362 operands when reload has finished.
6363 * reload.h (cleanup_subreg_operands): Declare..
6364 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
6365 reload. Handled in reload itself.
6367 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6369 * reload1.c (verify_initial_offsets): New function.
6370 (reload): Call it after reload_as_needed. Also verify that the frame
6371 size stays constant during reload_as_needed.
6372 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
6374 * reload.h (struct insn_chain): Add need_operand_change element.
6375 * reload1.c (new_insn_chain): Clear it.
6376 (calculate_needs_all_insns): Set it; don't overload need_reload.
6377 (reload_as_needed): Use it.
6379 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
6380 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
6381 and reload_address_index_reg_class.
6382 (find_reloads_address_1): Likewise.
6383 * reload.h (reload_address_base_reg_class,
6384 reload_address_index_reg_class): Don't declare.
6385 * reload1.c (reg_old_renumber, pseudo_previous_regs,
6386 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
6387 (used_spill_regs): Now static.
6388 (reload_address_base_reg_class, reload_address_index_reg_class,
6389 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
6390 basic_block_needs, max_needs, group_size, group_mode, max_groups,
6391 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
6394 (init_reload): Delete code to compute base/index reg classes.
6395 (reload): Delete variable J.
6396 Delete code to manage basic_block_needs.
6397 Don't compute regs_explicitly_used.
6398 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
6399 pseudo_previous_regs.
6400 Initialize bad_spill_regs_global.
6401 Don't call order_regs_for_reload here.
6402 Don't initialize spill_reg_order and n_spills.
6403 Don't forbid explicitly used regs to be used for spill regs.
6404 Change main loop to infinite loop, with explicit break statements.
6405 Make SOMETHING_CHANGED variable local to that loop.
6406 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
6407 max_groups_insn, max_nongroups_insn, group_size, group_mode.
6408 Make sure spilled_speudos is cleared before calling spill_hard_reg or
6410 Don't call dump_needs.
6411 Delete code to reset potential_reload_regs.
6412 Delete code to terminate loop conditional on the global needs variables
6413 showing no further needs.
6414 (calculate_needs_all_insns): Return void. All callers changed.
6415 Initialize somehing_needs_elimination here, not in reload.
6416 Delete avoid_return_reg kludge.
6417 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
6418 All callers changed.
6419 Initialize the group_mode and group_size elements of the arg CHAIN.
6420 Delete code to manage basic_block_needs.
6421 Operate on elements of CHAIN instead of global variables.
6422 Delete avoid_return_reg kludge.
6423 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
6424 All callers changed.
6425 Operate on elements of CHAIN instead of global variables.
6426 Delete special SMALL_REGISTER_CLASSES code.
6427 Delete spill_failure code; now in new_spill_reg.
6428 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
6429 All callers changed.
6430 Operate on elements of CHAIN instead of global variables.
6431 (maybe_mark_pseudo_spilled): New static function.
6432 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
6433 All callers changed.
6434 Operate on elements of CHAIN instead of global variables.
6435 Call order_regs_for_reload here, not in reload.
6436 Initialize spill_reg_order and n_spills.
6437 Simplify test whether an asm insn is involved.
6438 Delete spill_failure code; now in new_spill_reg.
6439 Call maybe_mark_pseudo_spilled for everything marked as live in
6440 CHAIN. Merge CHAIN's used_spill_regs into the global variable
6442 (dump_needs): Take CHAIN arg. No longer static, to prevent the
6443 compiler from optimizing this function (now unused) away.
6444 Operate on elements of CHAIN instead of global variables.
6445 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
6447 Operate on elements of CHAIN instead of global variables.
6448 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
6449 take CHAIN arg. All callers changed.
6450 Operate on elements of CHAIN instead of global variables.
6451 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
6452 CHAIN, NONGROUP args. Return void. All callers changed.
6453 Verify caller isn't trying to spill a pseudo.
6454 Simplify test for illegal reg, just use bad_spill_regs.
6455 Generate better error messages.
6456 Operate on elements of CHAIN instead of global variables.
6457 Mark spilled register in CHAIN's used_spill_regs element.
6458 Don't call spill_hard_reg.
6459 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
6460 Mark spilled hard regs in bad_spill_regs_global.
6461 Mark affected pseudos in spilled_pseudos, but don't spill them.
6462 (ior_hard_reg_set): New static function.
6463 (finish_spills): Return int. All callers changed.
6464 Compute spill_reg_order, n_spills and spill_regs here. Also update
6465 regs_ever_live for regs used as spills.
6466 For every pseudo in spilled_pseudos, spill it and mark the previous
6467 hard reg it had in pseudo_previous_regs. Compute which hard regs
6468 arseudo): New static function.
6469 (order_regs_for_reload): Take CHAIN arg. All callers changed.
6470 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
6471 hard registers explicitly used across the current insn into the set.
6472 Compute hard_reg_n_uses taking only pseudos live across this insn
6474 Tweak sorting of potential_reload_regs.
6475 (compare_spill_regs): Delete function.
6476 (reload_as_needed): Don't sort the spill_regs array, it's computed
6477 in proper order in finish_spills.
6478 Delete avoid_return_reg kludge.
6479 Delete code to manage basic_block_needs.
6480 (allocate_reload_reg): Minor speed/readability tweaks.
6481 Operate on elements of CHAIN instead of global variables.
6482 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
6483 Delete avoid_return_reg kludge.
6484 Initialize reload_reg_used from CHAIN's used_spill_regs element.
6485 Delete unused label FAIL.
6486 (reload_combine): Replce reload_address_index_reg_class with
6488 Don't use used_spill_regs to determine information about lifetime of
6491 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
6493 * toplev.c (display_help): Ignore empty target specific
6494 options, and if -W is also specified on the command line then
6495 display undocumented options.
6497 * config/arm/arm.c: Updated with changes in devo sources.
6498 * config/arm/arm.h: Updated with changes in devo sources.
6499 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
6500 * config/arm/lib1thumb.asm: Add ELF support.
6502 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
6504 * collect2.c (aix64_flag): New variable.
6505 (main, case 'b'): Parse it.
6506 (GCC_CHECK_HDR): object magic number must match mode.
6507 (scan_prog_file): Only check for shared object if valid header.
6508 Print debugging if header/mode mismatch.
6510 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
6512 Added support for arm-elf-linux configuration, submitted by Philip
6513 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
6514 code developed by Catherine Moore <clm@cygnus.com>. The following
6517 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
6520 * configure: Regenerated.
6522 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
6523 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
6524 definitions conditional on their not having been already defined.
6526 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
6527 and .type directives, and add "(PLT)" qualification to function
6530 * config/arm/linux.h: Deleted. This file is now superceeded by
6531 either linux-elf.h or linux-aout.h.
6533 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
6534 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
6536 Move definitions from old linux.h file here.
6538 * config/arm/elf.h: New file. Generic ARM/ELF support.
6540 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
6542 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
6544 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
6545 using the 26bit APCS.
6547 * config/arm/unknown-elf.h: New file. Support for OS'es other
6548 than Linux with ELF.
6550 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
6553 * config/arm/coff.h: Include aout.h for basic assembler macros.
6554 Add support for -mstructure_size_boundary=<n> command line option.
6556 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
6557 command line option. Make macro definitions conditional on their
6558 not having been already defined.
6560 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
6561 command line option.
6564 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
6566 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
6567 has been changed to not include a newline. Use this macro instead.
6568 (output_enumeral_list, const_value_attribute, name_attribute,
6569 comp_dir_attribute, prototyped_attribute, producer_attribute,
6570 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
6571 dwarfout_file_scope_decl, generate_new_sfname_entry,
6572 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
6573 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
6575 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
6577 * combine.c (subst): Process the inputs to a parallel asm_operands
6580 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
6582 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
6584 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
6586 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
6588 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
6590 * version.c: Bump for snapshot.
6592 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
6594 * stmt.c (expand_fixup): Set fixup->before_jump to a
6595 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
6597 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6599 * Makefile.in (recog.o): Depend on toplev.h.
6600 (insn-emit.o): Depend on recog.h.
6601 (insn-peep.o): Depend on recog.h and insn-config.h.
6603 * combine.c (simplify_set): Remove unused variable `scratches'.
6605 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
6606 and `idx' in macro conditional controlling their use.
6608 * genemit.c (main): Make the generated output file include
6609 recog.h. Don't have it declare `insn_operand_constraint', since
6610 we get it from recog.h.
6612 * genpeep.c (main): Make the generated output file include
6613 insn-config.h and recog.h.
6615 * recog.c: Include toplev.h.
6616 (extract_insn): Remove unused variable `p'.
6618 * regclass.c (fix_register): Add missing braces around initializer
6620 (allocate_reg_info): Move variable `i' into the scope where it is
6621 used. Change its type to `size_t'.
6623 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6625 * reload.c (push_reload): When merging reloads, make sure
6626 that reload_in_reg and reload_in are from the same reload in
6629 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
6631 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
6632 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
6634 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
6636 * loop.c (loop_has_tablejump): New variable.
6637 (prescan_loop): Scan for it.
6638 (insert_bct): Replace explicit scan with use of it.
6639 * regclass.c (regclass): Restore loop variable j.
6640 (record_reg_classes): Deterine op_types modifiers and initialize
6641 classes[i] before matching constraints. Handle matching
6644 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
6646 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
6649 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6651 * mips.h (EXTRA_SPECS): Add missing initializers.
6653 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6655 * sparc.h (EXTRA_SPECS): Add missing initializers.
6656 (sparc_defer_case_vector): Provide a prototype.
6658 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
6659 comparing it to the result of a pointer subtraction.
6661 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6663 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
6664 the argument to (unsigned char).
6666 * alpha.h (EXTRA_SPECS): Add missing initializers.
6667 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
6670 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
6672 * flow.c (life_analysis_1): Enable "rescan" code after reload.
6673 (propagate_block): Delete dead code after reload.
6675 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
6676 back Oct 15, 1998 change.
6677 * haifa-sched.c (update_flow_info): Likewise.
6678 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
6680 * mn10200.md (truncated shift): Accept constant inputs too.
6682 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
6684 * machmode.h (mode_mask_array): No longer const.
6685 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
6687 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6689 * frame.c: Somewhat explain `FDE'.
6690 Suggested by Brendan Kehoe
6692 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
6694 * expr.c (pending_chain): Move up.
6695 (save_expr_status): Do save pending_chain.
6696 (restore_expr_status): And restore it.
6697 * function.h (struct function): Add pending_chain.
6699 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6701 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
6702 did not match the code.
6704 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6706 * regclass.c (regclass): Break out some code into new function
6707 scan_one_insn, and into regclass_init.
6708 (init_cost): New static variable, moved out of regclass.
6709 (regclass_init): Initialize it here, not in .
6710 (scan_one_insn): New static function, broken out of regclass.
6711 * recog.c (apply_change_group): Break out some code into new
6712 function insn_invalid_p.
6713 (insn_invalid_p): New static fn, broken out of apply_change_group.
6715 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
6717 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
6718 reg_reloaded_contents matches incremented pseudo.
6720 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
6722 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6724 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
6725 addressing modes with side effects. These are currently
6726 placeholders for the C4x target.
6728 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6730 * loop.c (express_from): Make sure that when generating a PLUS of
6731 a PLUS, any constant expression appears on the outermost PLUS.
6733 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
6735 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
6736 works if "$(srcdir)" != ".".
6738 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
6740 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
6741 existing SUBREG if we can, otherwise abort.
6743 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
6745 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
6746 `restrict' is applied to a non-pointer variable.
6748 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
6750 * invoke.texi: Document -flang-isoc9x.
6752 * Makefile.in (OBJS): Add splay-tree.o.
6753 (c-common.o): Depend on rtl.h.
6754 (splay-tree.o): List dependencies and provide build rule.
6756 * rtl.h (record_alias_subset): New function.
6757 * alias.c: Include splay-tree.h.
6758 (alias_set_entry): New type.
6759 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
6760 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
6761 (mems_in_disjoin_alias_sets_p): New function.
6762 (alias_set_compare): Likewise.
6763 (insert_subset_children): Likewise.
6764 (get_alias_set_entry): Likewise.
6766 * tree.h (TYPE_RESTRICT): New macro.
6767 (TYPE_UNQUALIFIED): New manifest constant.
6768 (TYPE_QUAL_CONST): Likewise
6769 (TYPE_QUAL_VOLATILE): Likewise.
6770 (TYPE_QUAL_RESTRICT): Likewise.
6771 (tree_type): Add restrict_flag. Reduce count of free bits.
6772 (DECL_POINTER_ALIAS_SET): New macro.
6773 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
6774 (tree_decl): Add pointer_alias_set.
6775 (build_qualified_type): New function.
6776 (build_type_variant): Define in terms of build_qualified_type.
6777 * tree.c (set_type_quals): New function.
6778 (make_node): Initializae DECL_POINTER_ALIAS_SET.
6779 (build_type_attribute_variant): Use build_qualified_type and
6781 (build_type_variant): Rename, and modify, to become...
6782 (build_qualified_type): New function.
6783 (build_complex_type): Use set_type_quals.
6785 * c-tree.h (C_TYPE_OBJECT_P): New macro.
6786 (C_TYPE_FUNCTION_P): Likewise.
6787 (C_TYPE_INCOMPLETE_P): Likewise.
6788 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
6789 (c_apply_type_quals_to_decl): New function.
6790 (c_build_qualified_type): New function.
6791 (c_build_type_variant): Define in terms of c_build_qualified_type.
6792 (flag_isoc9x): Declare.
6793 * c-typeck.c (qualify_type): Use c_build_qualified_type.
6794 (common_type): Change to use TYPE_QUALS.
6795 (comptypes): Likewise.
6796 (convert_for_assignment): Likewise.
6797 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
6798 * c-decl.c (flag_isoc9x): Define.
6799 (c_decode_option): Handle -flang-isoc9x.
6800 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
6801 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
6802 * c-lex.c (init_lex): Deal with restrict.
6803 (init_lex): Don't treat restrict as a reserved word in
6804 -traditional mode, or without -flang-isoc9x.
6805 * c-lex.h (rid): Add RID_RESTRICT.
6806 * c-parse.gperf (restrict, __restrict, __restrict__): Make
6807 equivalent to RID_RESTRICT.
6808 * c-parse.in (TYPE_QUAL): Update comment.
6809 * c-common.c: Include rtl.h.
6810 (c_find_base_decl): New function.
6811 (c_build_type_variant): Rename, and modify, to become ...
6812 (c_build_qualified_type): New function.
6813 (c_apply_type_quals_to_decl): Likewise.
6814 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
6815 a particular alias set for the reference.
6816 * toplev.c (documented_lang_options): Add -flang-isoc9x.
6818 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
6820 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
6821 command line switches.
6823 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
6825 * reload.c (loc_mentioned_in_p): Add missing braces to bind
6828 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
6830 * gcc.c (option_map): Added --classpath and --CLASSPATH.
6832 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
6834 * regclass.c (fix_register): Add error message.
6835 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
6838 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6840 * c-decl.c (warn_missing_noreturn): New global variable.
6841 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
6842 (finish_function): Implement missing noreturn warning.
6844 * c-tree.h (warn_missing_noreturn): Declare extern.
6846 * invoke.texi: Document new flags.
6848 * toplev.c (documented_lang_options): Add description.
6850 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6852 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
6853 loop optimization stable for the C4x.
6854 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
6855 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
6856 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
6858 (c4x_address_conflict): Be more paranoid when packing a volatile
6859 memref in a parallel load/store.
6861 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6863 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
6864 repeat_block_filler): Deleted.
6865 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
6866 Condition code not set if destination register from 'c' class.
6867 (*subbqi3_carry_clobber): Fix typo.
6869 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6871 * reorg.c (steal_delay_list_from_target) Check for insns that
6872 modify the condition codes and effect the direction of the jump
6875 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
6877 * function.c (purge_addressof_1): Replace call to
6878 emit_insns_before() with emit_insn_before().
6880 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
6882 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
6884 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6886 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
6888 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
6890 * gcse.c (compute_hash_table): Correctly identify hard regs which are
6891 clobbered across calls.
6893 * loop.c (scan_loop): Be more selective about what invariants are
6894 moved out of a loop.
6896 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
6898 * version.c: Bump for snapshot.
6900 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
6902 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
6903 static eh_context structure.
6905 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6907 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
6909 (try_combine): Don't update max_scratch.
6910 * flow.c (max_scratch, num_scratch): Delete variables.
6911 (life_analysis_1): Don't initialize max_scratch.
6912 (propagate_block): Don't update max_scratch.
6913 (mark_set_1): Don't increment num_scratch.
6914 * regs.h (max_scratch): Delete declaration.
6916 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
6918 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
6919 is nonzero. This is temporary!
6921 * sched.c (update_flow_info): Handle death notes made invalid by
6922 instruction splitting. Partially reverts Oct 15, 1998 patch.
6923 * haifa-sched.c (update_flow_info): Likewise.
6925 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
6927 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
6928 if it has a nonzero DECL_INITIAL.
6930 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6932 * Makefile.in (flow.o): Depend on recog.h.
6934 * cpplib.h (directive_table): Add missing initializiers.
6935 (finclude): Change type of variable `bsize' to size_t.
6937 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
6939 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
6941 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
6942 `int' when comparing against one.
6943 (cpp_file_line_for_message): Mark parameter `pfile' with
6945 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
6947 * flow.c: Include recog.h.
6948 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
6950 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
6951 `f' with ATTRIBUTE_UNUSED.
6952 (reposition_prologue_and_epilogue_notes): Likewise.
6954 * genopinit.c (gen_insn): Cast argument of ctype functions to
6957 * haifa-sched.c: Include recog.h.
6958 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
6959 comparing against one.
6961 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
6963 * mips-tfile.c (parse_end): Cast the argument of ctype function to
6965 (parse_ent): Likewise.
6966 (parse_input): Likewise.
6968 * optabs.c (init_libfuncs): Likewise.
6970 * protoize.c (find_rightmost_formals_list): Likewise.
6972 * recog.h (const_double_operand): Fix typo in prototype.
6974 * tlink.c (scan_linker_output): Cast the argument of ctype
6975 function to `unsigned char'.
6977 * toplev.c (check_lang_option): Cast the result of `strlen' to
6978 `int' when comparing against one.
6980 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
6982 * gcse.c (dump_cuid_table): Correct typo.
6984 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
6986 * toplev.c (display_help): Prepend '-m' to target specific
6988 (check_lang_option): Ignore text after end of first word of a
6989 language specific option.
6991 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6993 * reload1.c (reg_used_by_pseudo): New static variable.
6994 (choose_reload_regs): Initialize it.
6995 Use it instead of testing spill_reg_order to determine whether a
6996 pseudo is live in a hard register across the current insn.
6997 Fix a typo in a reference to reload_reg_rtx.
6999 * flow.c (propagate_block): Replace code that computes and uses
7000 regs_sometimes_live with simpler code that just walks the set of
7001 currently live registers.
7003 * Makefile.in (insn-extract.o): Fix dependencies.
7004 * genextract.c (main): Generate includes for insn-config.h and
7006 Delete generation of declarations which are now in recog.h.
7007 * genrecog.c (main): Delete generation of definitions which are
7009 * local-alloc.c (block_alloc): Use extract_insn and the variables
7010 it sets up instead of looking up values by insn_code.
7011 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
7012 recog_dup_num): Define here instead of generating the definition in
7014 (recog_n_operands, recog_n_dups, recog_n_alternatives,
7015 recog_operand_mode, recog_constraints, recog_operand_address_p):
7017 (extract_insn): New function.
7018 * recog.h (extract_insn): Declare function.
7019 (which_alternative, recog_n_operands, recog_n_dups,
7020 recog_n_alternatives, recog_operand_mode, recog_constraints,
7021 recog_operand_address_p): Declare variables.
7022 * regclass.c (n_occurrences): New static function.
7023 * reload.c (n_occurrences): Delete function.
7024 (find_reloads): Use extract_insn.
7025 * reload.h (n_occurrences): Delete declaration.
7027 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
7029 * reload1.c (reload_as_needed): Fix test for when to call
7030 update_eliminable_offsets.
7032 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7034 Fix consistency problems with reg_equiv_{mem,address};
7035 Improve reload inheritance;
7037 * reload.c (reload_out_reg): New variable.
7038 (loc_mentioned_in_p, remove_address_replacements): New functions.
7039 (remove_replacements): Deleted.
7040 (push_reload): Set reload_out_reg[i].
7041 When merging, also set reload_{in,out}_reg[i], and remove
7042 duplicate address reloads.
7043 (combine_reloads): Copy reload_out_reg[i].
7044 (find_reloads): Do make_memloc substitution also when
7045 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7047 Include *recog_operand_loc in commutativity operand changes.
7048 Generate optional output reloads.
7049 Delete reference to n_memlocs. Don't set *recog_operand_loc before
7050 processing operands. Call make_memloc in reg_equiv_address code.
7051 Set *recog_operand_loc only after processing operands, and only
7052 if replace is true. Return a value.
7053 When changing address reload types for operands that didn't get
7054 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
7055 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
7056 Don't emit USEs for pseudo SUBREGs when not replacing.
7057 (find_reloads_address): Do make_memloc substitution also when
7058 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
7060 (find_reloads_toplev): Likewise.
7061 Call make_memloc in reg_equiv_address code.
7062 (debug_reload_to_stream): Add code to output reload_out_reg.
7063 (make_memloc): Delete local variable i, ifdefed out code, and
7064 references to memlocs and n_memlocs.
7065 (memlocs, n_memlocs): Delete.
7066 (push_secondary_reload): Clear reload_out_reg.
7067 (find_reloads_address_1): Provide memrefloc argument to all calls
7068 to find_reloads_address.
7069 In AUTO_INC code, handle non-directly addressable equivalences properly.
7070 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
7071 (find_reloads): Add return type.
7072 (remove_address_replacements, deallocate_reload_reg): Declare.
7073 * reload1.c (num_not_at_initial_offset): No longer static.
7074 (delete_address_reloads, delete_address_reloads_1): Likewise.
7075 (deallocate_reload_reg): New function.
7076 (spill_reg_stored_to): New array.
7077 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
7078 (eliminate_regs_in_insn): Move assignments of previous_offset and
7079 max_offset fields, and recalculation of num_not_at_initial_offset
7080 into new static function:
7081 (update_eliminable_offsets) .
7082 (reload_as_needed): Call update_eliminable_offsetss after calling
7084 Call forget_old_reloads_1 with contents of reloaded auto_inc
7085 expressions if the actual addressing can't be changed to match the
7087 (choose_reload_regs): For inheritance, replace
7088 reload_reg_free_before_p test with reload_reg_used_at_all test, and
7089 remove stand-alone reload_reg_used_at_all test.
7090 Use reload_out_reg to determine which reload regs have output reloads.
7091 Treat reload_override_in more similar to inherited reloads.
7092 Handle (subreg (reg... for inheritance.
7093 For flag_expensive_optimizations, add an extra pass to remove
7094 unnecessary reloads from known working inheritance.
7095 Delete obsolete code for pseudos replaced with MEMs.
7096 Handle inheritance from auto_inc expressions.
7097 (emit_reload_insns): If reload_in is a MEM, set OLD to
7099 Don't reload directly from oldequiv; if it's a pseudo with a
7100 stack slot, use reload_in[j].
7101 Check that reload_in_reg[j] is a MEM before replacing reload_in
7102 from reg_reloaded_contents.
7103 Include non-spill registers in reload inheritance processing.
7104 Also try to use reload_out_reg to set spill_reg_store /
7105 reg_last_reload_reg.
7106 In code to set new_spill_reg_store, use single_set to find out if
7107 there is a single set.
7108 Add code that allows to delete optional output reloads.
7109 Add code to allow deletion of output reloads that use no spill reg.
7110 At the end, set reload_override_in to oldequiv.
7111 Also call delete_output_reload if reload_out_reg is equal to old
7113 Add code to call delete_output_reload for stores with no matching load.
7114 Set / use spill_reg_stored_to.
7115 Handle case where secondary output reload uses a temporary, but
7116 actual store isn't found.
7117 When looking for a store of a value not loaded in order to call
7118 delete_output_reload, count_occurences should return 0 for no
7119 loads; but discount inherited input reloadill_reg_stored_to.
7120 Do checks for extra uses of REG. Changed all
7122 Use delete_address_reloads.
7123 (reload): Take return value of find_reloads into account.
7124 If a no-op set needs more than one reload, delete it.
7125 (reload_reg_free_before_p): RELOAD_FOR_INPUT
7126 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
7127 for the same operand.
7128 (clear_reload_reg_in_use): Check for other reloads that keep a
7130 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
7131 RELOAD_FOR_OPADDR_ADDR.
7132 Take into account when an address address reload is only needed
7133 for the address reload we are considering.
7134 (count_occurrences): Use rtx_equal_p for MEMs.
7135 (inc_for_reload): Return instruction that stores into RELOADREG.
7136 New argument two, IN, and rtx. Changed all callers.
7137 (calculate_needs_all_insns, reload_as_needed):
7138 Don't clear after_call for a CLOBBER.
7139 Keep track of how many hard registers need to be copied from
7140 after_call, and don't clear after_call before we have seen
7141 that much copies, or we see a different instruction.
7143 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
7145 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
7146 after reload has completed.
7148 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
7150 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
7151 a macro name and the next token with a single blank if that whitespace
7152 is in a macro buffer and the next token is not '('.
7154 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
7156 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
7158 (skip_if_group): Ditto.
7159 (skip_to_end_of_comment): Ditto.
7161 (discard_comments): Ditto.
7162 (change_newlines): Ditto.
7164 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
7166 * c-lex.c (yylex): Fix unaligned access of wchar_t.
7168 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
7170 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
7171 (TARGET_OPTIONS): Add --help documentation.
7173 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7175 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
7177 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
7179 * fixinc/* Moved in from ../contrib directory in preparation
7180 for integrating it into the normal build process. In particular,
7181 fixinc/Makefile.in must be config-ed into the build directory
7182 as fixinc/Makefile. Proposed patches to ./Makefile.in and
7183 ./configure.in will be "in the mail" momentarily.
7185 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
7187 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
7188 accidently walk into the free list. Comment how that can happen.
7189 (invalidate): Fix indentation.
7191 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7192 Jeffrey A Law (law@cygnus.com)
7194 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
7195 reload. Never perform rescans of the insn chain after reload.
7196 (propagate_block): Do not delete insn or create new autoinc addressing
7199 * jump.c (jump_optimize): Unconditionally use the code that was
7200 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
7201 * reload1.c (reload): When reloading is finished, delete all
7202 REG_DEAD and REG_UNUSED notes.
7203 (emit_reload_insns): Delete all code that was conditional on
7204 PRESERVE_DEATH_INFO_REGNO_P.
7205 (no_longer_dead_regs): Delete variable.
7206 (reload_cse_delete_death_notes): Delete function.
7207 (reload_cse_no_longer_dead): Delete function.
7208 (reload_cse_regs_1): Delete all code to handle deletion of death
7210 (reload_cse_noop_set_p): Likewise.
7211 (reload_cse_simplify_set): Likewise.
7212 (reload_cse_simplify_operands): Likewise.
7213 (reload_cse_move2add): Likewise.
7214 * reorg.c (used_spill_regs): Delete declaration.
7215 (max_label_num_after_reload): Delete declaration.
7216 (find_dead_or_set_registers): Don't assume that spill regs are
7217 dead at a CODE_LABEL.
7218 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
7220 * sched.c (sched_analyze_insn): Likewise.
7221 (update_flow_info): Likewise.
7222 * haifa-sched.c (sched_analyze_insn): Likewise.
7223 (update_flow_info): Likewise.
7224 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
7225 * toplev.c (max_label_num_after_reload): Delete variable.
7226 (rest_of_compilation): Don't set max_label_num_after_reload.
7227 Call life_analysis after reload_cse_regs if optimizing.
7228 * config/gmicro/gmicro.h: Delete comment referring to
7229 PRESERVE_DEATH_INFO_REGNO_P.
7230 * config/i386/i386.h: Likewise.
7231 * config/m88k/m88k.h: Likewise.
7232 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
7233 * config/sh/sh.h: Likewise.
7235 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
7237 * loop.c (strength_reduce): Restore marking bct_p as
7239 * rs6000.c (optimization_options): Change #ifdef HAIFA to
7240 HAVE_decrement_and_branch_on_count.
7241 (small_data_operand): Remove TARGET_ELF condition for marking
7242 parameters ATTRIBUTE_UNUSED.
7244 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
7246 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
7247 (SELECT_SECTION): Resync with svr4.h.
7249 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
7251 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
7254 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
7256 * c-pragma.c (handle_pragma_token): Test for null tree before
7257 dereferencing TREE_CODE.
7259 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7261 * config/c4x/c4x.c: Convert to use GEN_INT.
7262 (c4x_parallel_process): Rework to handle new repeat loop structure.
7264 * config/c4x/c4x.md: Convert to use GEN_INT.
7265 (rptb_end): Convert to use GE test. Replace uses with clobbers.
7266 (decrement_and_branch_on_count): Likewise.
7268 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
7269 loop.c has the desired functionality.
7270 (rc_reg_operand): New prototype.
7272 * config/c4x/t-c4x: Can now build all front ends.
7274 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
7276 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
7278 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
7280 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
7281 * config/t-rtems: Do not install assert.h -- use newlib's.
7283 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7285 * combine.c (combine_instructions): When finished, call init_recog.
7286 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
7288 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
7290 * toplev.c: If flag_syntax_only, don't open or write assembler file.
7292 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7294 * cppalloc.c (memory_full): Mark function prototype with
7297 * demangle.h (collect_exit): Likewise.
7299 * fix-header.c (v_fatal, fatal): Likewise.
7301 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
7304 * gcov.c (print_usage): Likewise.
7306 * genattr.c (fatal, fancy_abort): Likewise.
7308 * genattrtab.c (fatal, fancy_abort): Likewise.
7310 * gencodes.c (fatal, fancy_abort): Likewise.
7312 * genconfig.c (fatal, fancy_abort): Likewise.
7314 * genemit.c (fatal, fancy_abort): Likewise.
7316 * genextract.c (fatal, fancy_abort): Likewise.
7318 * genflags.c (fatal, fancy_abort): Likewise.
7320 * genopinit.c (fatal, fancy_abort): Likewise.
7322 * genoutput.c (fatal, fancy_abort): Likewise.
7324 * genpeep.c (fatal, fancy_abort): Likewise.
7326 * genrecog.c (fatal, fancy_abort): Likewise.
7328 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
7329 __sjpopnthrow, __throw): Likewise.
7331 * objc/objc-act.c (objc_fatal): Likewise.
7333 * protoize.c (usage, aux_info_corrupted,
7334 declare_source_confusing): Likewise.
7336 * rtl.c (dump_and_abort): Likewise.
7338 * rtl.h (sets_cc0_p): Likewise.
7340 * toplev.c (float_signal, pipe_closed): Likewise.
7342 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7344 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
7345 when generating the decision tree for the general case.
7347 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
7348 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
7350 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7352 * Makefile.in (sched.o): Depend on recog.h.
7354 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
7355 (unsigned) when comparing against one.
7356 (find_base_value): Likewise.
7357 (record_base_value): Cast variable `regno' to (unsigned) when
7358 comparing against one. Cast the result of REGNO() macro to
7359 (unsigned) when comparing against one.
7360 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
7362 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
7363 variable where an unsigned index is needed.
7365 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
7366 before comparing against one.
7368 * collect2.c: Add prototypes for functions `error', `fatal' and
7369 `fatal_perror'. Make these functions take variable arguments
7370 instead of faking it with a fixed number of args.
7371 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
7374 * combine.c (can_combine_p): Mark parameter `pred' with
7376 (find_split_point): Cast variable `src' to (unsigned
7377 HOST_WIDE_INT) when comparing against one.
7378 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
7379 (simplify_logical): Likewise.
7380 (force_to_mode): Cast result of INTVAL() macro to (unsigned
7381 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
7382 HOST_WIDE_INT) in shift.
7383 (simplify_and_const_int): Cast result of INTVAL() macro to
7384 `unsigned HOST_WIDE_INT' when comparing against one.
7385 (merge_outer_ops): Cast variable const0 to `unsigned
7386 HOST_WIDE_INT' when comparing against the result of
7387 GET_MODE_MASK() macro.
7388 (simplify_comparison): Likewise for variable `c0'. Cast variable
7389 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
7390 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
7391 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
7392 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
7393 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
7394 comparing against one.
7395 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
7397 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
7398 macro to `unsigned HOST_WIDE_INT' when comparing against one.
7399 (output_block_move): Cast `sizeof' expression to (int) when
7400 comparing against one.
7401 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
7403 (save_restore_insns): Cast `base_offset' to `long' to match format
7404 specifier in fprintf.
7406 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
7407 to `enum machine_mode'.
7409 * flow.c (life_analysis_1): Remove unused variable `insn'.
7411 * gcc.c (translate_options): Move variables `j' and `k' into the
7412 scope in which they are used. Change their types to `size_t'.
7413 (set_spec): Cast the argument of ctype macro to `unsigned char'.
7414 (read_specs): Likewise.
7415 (process_command): Cast `sizeof' to (int) when comparing against one.
7416 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
7417 (handle_braces): Cast both sides of `==' expression to `long' to
7418 ensure sign matching.
7419 (main): Cast variable `i' to `int' when comparing against one.
7421 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
7422 int to size_t. Cast variable `i' to size_t when comparing against
7425 * genattrtab.c (convert_set_attr_alternative): Remove unused
7426 parameter `insn_code'. All callers changed.
7427 (convert_set_attr): Likewise.
7429 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
7430 size_t when comparing against one. Likewise for variable `len'.
7432 * global.c (global_alloc): Cast variable `max_regno' to size_t
7433 when comparing against one. Likewise for variable `max_allocno'.
7435 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
7437 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
7438 `set' with ATTRIBUTE_UNUSED.
7439 (find_free_reg): Cast `sizeof' expression to (int) when comparing
7442 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
7443 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
7444 (get_condition): Cast variable `const_val' to `unsigned
7445 HOST_WIDE_INT' when comparing against one. Cast unsigned
7446 expression to HOST_WIDE_INT when comparing against one.
7447 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
7448 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
7449 `unsigned' when comparing against one.
7451 * protoize.c (is_id_char): Change type of parameter `ch' to
7453 (munge_compile_params): Cast argument of ctype macro to (const
7455 (process_aux_info_file): Cast variable `aux_info_size' to int when
7456 comparing against one.
7457 (forward_to_next_token_char): Cast argument of ctype macro to
7458 `const unsigned char'.
7459 (edit_formals_lists): Likewise.
7460 (find_rightmost_formals_list): Likewise.
7461 (add_local_decl): Likewise.
7462 (add_global_decls): Likewise.
7463 (edit_fn_definition): Likewise.
7464 (do_cleaning): Likewise.
7465 (scan_for_missed_items): Likewise.
7466 (edit_file): Cast variable `orig_size' to (int) when comparing
7468 (main): Cast argument of ctype macro to `const unsigned char'.
7470 * recog.c (const_int_operand): Mark parameter `mode' with
7473 * regclass.c (record_reg_classes): Change type of variable `c' to
7474 `unsigned char'. Cast `char' array index to `unsigned char'.
7476 * reload.c (push_secondary_reload): Cast argument to
7477 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
7479 * reload1.c (calculate_needs): Cast `char' array index to
7481 (set_label_offsets): Change type of variable `i' to unsigned int.
7482 Cast result of XVECLEN() macro to unsigned when comparing against
7484 (mark_not_eliminable): Change type of variable `i' to unsigned.
7485 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
7486 when comparing against one.
7487 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
7488 comparing against one.
7489 (choose_reload_regs): Hide unused label `fail'.
7490 (reload_cse_simplify_operands): Cast `char' array index to
7492 (reload_combine_note_store): Mark parameter `set' with
7493 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
7495 (reload_cse_move2add): Remove unused variable `src2'.
7497 * sched.c: Include recog.h.
7498 (sched_note_set): Remove unused parameter `b'. All callers
7500 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
7501 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
7502 when comparing against one.
7504 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
7505 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
7506 comparing against one.
7508 * unroll.c (precondition_loop_p): Remove unused parameter
7509 `loop_end'. All callers changed.
7511 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7513 * reload1.c (maybe_fix_stack_asms): New static function.
7516 * reload.h (compute_use_by_pseudos): Declare.
7518 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
7519 (something_needs_reloads): Delete variable.
7520 (finish_spills): New function.
7521 (compute_use_by_pseudos): New function.
7523 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
7524 Use the reload_insn_chain instead of walking the rtl directly.
7526 (reload): Allocate and free spilled_pseudos.
7527 Ensure that all calls of spill_hard_reg are followed by a call to
7529 Use the insns_need_reload list instead of something_needs_reloads
7530 to find out if reload_as_needed must be called.
7531 Clear unused_insn_chains at the end.
7533 (calculate_needs_all_insns): Lose FIRST parameter. All callers
7535 Delete code to keep track of current basic block.
7536 Walk reload_insn_chain instead of the rtl structure. Build the
7537 insns_need_reload chain.
7538 Remember which insns need reloading/elimination by setting the
7539 appropriate fields in struct insn_chain, not by putting modes on the
7542 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
7543 arg INSN. All callers changed.
7544 Delete declaration of struct needs.
7545 Don't set something_needs_reloads.
7546 Record insn needs in the CHAIN argument.
7548 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
7550 (reload_as_needed): Lose FIRST arg. All callers changed.
7551 Walk the reload_insn_chain instead of the rtx structure.
7552 Delete code to keep track of current basic block.
7553 Rename one of the NEXT variables to OLD_NEXT.
7555 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
7557 (choose_reload_regs): Likewise.
7559 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
7562 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
7563 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
7564 (hard_regs_live, hard_regs_need_restore): Delete variables.
7565 (n_regs_saved): Now static.
7566 (referenced_regs, this_insn_sets): New variables.
7568 (setup_save_areas): Restructure the code a bit.
7570 (restore_referenced_regs): Delete function.
7571 (mark_referenced_regs): New function, similar to the old
7572 restore_referenced_regs, but mark registers in referenced_regs.
7574 (clear_reg_live): Delete function.
7575 (mark_set_regs): Renamed from set_reg_live. All callers changed.
7576 Only mark registers in this_insn_sets.
7578 (save_call_clobbered_regs): Rework this function to walk the
7579 reload_insn_chain instead of using the list of instructions directly.
7580 Delete code to keep track of register lives, compute live regs on the
7581 fly from information in the chain.
7582 Instead of calling restore_referenced_regs, use mark_referenced_regs,
7583 then walk the set it computes and call insert_restore as appropriate.
7585 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
7587 Restructure the code a bit. Test hard_regs_saved instead of
7588 hard_regs_need_restore.
7589 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
7590 args. All callers changed.
7591 Restructure the code a bit. Use TO_SAVE to determine which regs to
7592 save instead of more complicated test.
7593 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
7595 Create a new insn_chain structure for the new insn and place it
7598 * rtl.texi: Update documentation to reflect that reload no longer
7599 puts modes on the insns.
7601 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7603 * function.c (purge_addressof_1): Force the first argument of a
7604 CALL insn to memory.
7606 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
7608 * rtl.h: Delete duplicate prototypes. Add some missing
7610 * rtlanal.c: (for_each_rtx): Formatting tweak.
7612 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7614 * real.c (emdnorm and etoasc): Disable round to even for c4x target
7615 to be compatible with TI compiler.
7617 * Makefile.in (USER_H): Add va-c4x.h to definition.
7619 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
7621 * function.c (purge_addressof_1): Fix typo in inequality: do
7622 bitfield optimization for equal mode sizes.
7623 * expmed.c (store_bit_field): Don't take subregs of subregs in
7624 the movstrict case. Tidy a potential problem in the multi-word case.
7625 (extract_bit_field): Likewise.
7627 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7629 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
7631 Compute max_uid_for_flow by calling get_max_uid after the scan.
7632 (find_basic_blocks_1): Don't emit NOPs here.
7634 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
7636 * alias.c (base_alias_check): Accept new args for the modes of the
7637 two references. Use them to determine if an AND can overlap. Update
7639 (memrefs_conflict_p): Assume sizes are aligned, and uses them
7640 to determine if an AND can overlap.
7642 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
7644 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
7645 check. Add comment to document problems with TARGET_SUN_FPA version
7647 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
7649 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7651 * Makefile.in (gencheck.o): Depend on gansidecl.h.
7653 * c-common.c (print_char_table): Add missing initializers.
7654 (scan_char_table): Likewise.
7655 (time_char_table): Likewise.
7657 * c-decl.c (c_decode_option): Mark parameter `argc' with
7659 (declare_parm_level): Mark parameter `definition_flag' with
7662 * c-lex.c (readescape): Use `(unsigned)1' in shift.
7663 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
7666 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
7668 (emit_call_1): Mark parameters `fndecl' and `funtype' with
7670 (expand_call): Cast result of MIN() to (unsigned int) when
7671 comparing against an unsigned value.
7673 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
7675 (make_definition): Remove unused parameter `op'. All callers
7677 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
7678 comparing against the result of pointer arithmetic.
7680 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
7681 when comparing against one.
7683 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
7684 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
7686 (output_die): Move variable `i' into the scope in which it is
7687 used. Change its type to `unsigned'.
7688 (output_die): Cast the result of `strlen' to (int) when passing it
7689 to ASM_OUTPUT_ASCII().
7690 (output_pubnames): Likewise.
7691 (output_line_info): Likewise.
7693 * emit-rtl.c (global_rtl): Add missing initializers.
7695 * explow.c (promote_mode): Mark parameter `for_call' with
7698 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
7699 `unsigned HOST_WIDE_INT' when comparing against one.
7700 (synth_mult): Change type of variable `cost' to int.
7701 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
7703 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
7704 when comparing against one.
7705 (get_inner_reference): Change variable `alignment' to unsigned.
7706 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
7707 int) when comparing against one.
7708 (expand_builtin_setjmp): Change type of variable `i' to size_t.
7710 * fold-const.c (div_and_round_double): Cast BASE to
7711 (HOST_WIDE_INT) when comparing against one.
7713 * gencheck.c: Include gansidecl.h.
7714 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
7716 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
7717 `tcode' with ATTRIBUTE_UNUSED.
7719 * real.c (edivm): Cast constant value to (unsigned long) in
7720 expression compared against an unsigned value.
7722 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
7723 comparing against one.
7724 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
7725 when comparing against one.
7727 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
7728 (unsigned int) when comparing against one. Likewise for
7730 (smallest_mode_for_size): Likewise.
7731 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
7732 (restore_storage_status): Likewise.
7734 * toplev.c (debug_args): Add missing initializer.
7735 (f_options): Spelling correction. Add missing initializers.
7736 (documented_lang_options): Likewise.
7737 (debug_end_source_file): Mark parameter `lineno' with
7740 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
7741 `decl' and `type' with ATTRIBUTE_UNUSED.
7743 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
7744 when comparing against one.
7745 (assemble_variable): Mark parameter `top_level' with
7747 (assemble_external_libcall): Mark parameter `fun' with
7749 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
7752 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
7754 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
7755 Replace use of r5 with use of r19.
7757 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
7759 * config/v850/v850.c (compute_register_save_size): Allow for the
7760 fact that helper functions save all registers, not just those used
7763 Replace constant 31 with macro LINK_POINTER_REGNUM.
7765 * config/v850/v850.md: Use 'indirect_operand' rather than
7766 'memory_operand' for bit test/set/clear patterns.
7768 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
7770 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
7771 * varasm.c (assemble_start_function et al): Don't call
7772 ASM_GLOBALIZE_LABEL for weak symbols.
7774 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
7776 * cse.c (equiv_constant): Check for NULL return from
7777 gen_lowpart_if_possible().
7779 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
7781 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
7783 * collect2.c (main): Pass -EL/-EB through to the compiler.
7785 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7787 * expr.c (push_block): Handle targets where the stack grows
7788 to higher addresses, but args grow to lower addresses and
7789 ACCUMULATE_OUTGOING_ARGS is not defined.
7791 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
7793 * config/v850/v850.c (print_operand): Extend meaning
7794 of 'c' operands to support .vtinherit.
7796 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7798 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
7799 Added ATTRIBUTE_UNUSED to unused function arguments.
7800 (rc_reg_operand): New predicate.
7801 (c4x_rptb_insert): New function.
7802 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
7803 (c4x_optimization_options): New function.
7805 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
7806 (decrement_and_branch_on_count): New pattern.
7807 (rptb_top): Modified pattern to work with BCT optimization.
7809 * config/c4x/c4x.h (RC_REG): New register class.
7810 (rc_reg_operand): Define prototype.
7811 (IS_RC_REG): New macro.
7812 (IS_RC_OR_PSEUDO_REG): New macro.
7813 (IS_RC_OR_PSEUDO_REGNO): New macro.
7814 (OPTIMIZATION_OPTIONS): Define.
7816 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
7818 * collect2.c (extract_init_priority): No priority is 65535.
7820 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7822 * Makefile.in (build_tooldir): new variable, same as old
7823 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
7824 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
7825 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
7827 * configure.in (gxx_include_dir): set default based on unlibsubdir
7828 * Makefile.in (tooldir): ditto
7829 (cccp.o, cpplib.o): use unlibsubdir implicitly through
7830 gxx_include_dir, includedir and tooldir
7831 (protoize.o, unprotoize.o): ditto
7833 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
7835 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
7837 * config/arm/thumb.c (thumb_override_options): Add warning about
7838 PIC code not being supported just yet.
7840 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
7842 * flow.c: Update comment.
7843 (notice_stack_pointer_modification): New static function.
7844 (record_volatile_insns): Use it.
7845 (mark_regs_live_at_end): Mark the stack pointer as alive
7846 at the end of the function if current_function_sp_is_unchanging
7848 (life_analysis_1): Set current_function_sp_is_unchanging.
7849 * function.c: Define it.
7850 (init_function_start): Initialize it.
7851 * output.h: Declare it.
7852 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
7853 the stack pointer as alive at the end of the function if
7854 current_function_sp_is_unchanging is set.
7855 * i386.c (ix86_epilogue): Optimize the restoring
7856 of the stack pointer.
7858 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
7860 * version.c: Bump for snapshot.
7862 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
7864 * c-pragma.c (handle_pragma_token): If passed a token instead
7865 of a tree, use that as the pack value.
7867 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
7869 * flow.c (find_basic_blocks_1): Fix prototype.
7871 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
7873 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
7874 (struct tree_decl): New fields no_check_memory_usage.
7875 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
7876 (init_attributes): Register it as a new attribute.
7877 (decl_attributes): Set flags on functions given that attribute.
7878 * c-decl.c (duplicate_decls): Merge new attribute.
7879 * expr.h (current_function_check_memory_usage): Declare new var.
7880 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
7881 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
7882 current_function_check_memory_usage.
7883 * function.h: Add field to struct function.
7884 * function.c (current_function_check_memory_usage): Define it.
7885 (push_function_context_to, pop_function_context_from): Save and
7887 (expand_function_start): Set it, based on global flag and function
7890 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
7891 check non-automatic variables, to permit detection of writes to
7892 read-only locations in embedded systems without memory management.
7893 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
7894 when emitting chkr_set_right_libfunc call, even if the argument is
7895 BLKmode or variable-sized; don't abort.
7897 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
7898 symbols in Pmode, not VOIDmode.
7900 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7902 * cppexp.c: When forcing unsigned comparisons, cast both sides
7905 * cpphash.h: Move static declaration of hashtab[]...
7906 * cpphash.c: ...here.
7908 * cpplib.c: Cast difference of two pointers to size_t before
7909 comparing it to size_t. Cast signed to unsigned
7910 before comparing to size_t. (FIXME: struct argdata should use
7911 unsigned buffer sizes.)
7912 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
7913 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
7914 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
7915 size_t before comparison.
7917 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
7919 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
7920 (find_basic_blocks_1): Similarly.
7921 * output.h (find_basic_blocks): Fix prototype.
7922 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
7923 find_basic_blocks anymore.
7925 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
7927 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
7928 (sbitmap_free, sbitmap_vector_free): New macros.
7929 * output.h (rtl_dump_file): Declare.
7931 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
7933 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
7935 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7937 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
7939 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
7940 (divide): Remove unused variable `tmp'.
7941 (si_to_float): Cast numeric constant to (SItype) before comparing
7944 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
7946 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
7947 * gcc.c (add_preprocessor_option): Correct typo when allocating
7948 memory, sizeof() argument had one too many `*'.
7949 (add_assembler_option): Likewise.
7950 (add_linker_option): Likewise.
7951 * gcov.c (output_data): Likewise.
7952 * local-alloc.c (memref_used_between_p): Likewise.
7953 (update_equiv_regs): Likewise.
7954 * loop.c (strength_reduce): Likewise.
7955 * reg-stack.c (record_asm_reg_life): Likewise.
7956 (subst_asm_stack_reg): Likewise.
7957 * reorg.c (dbr_schedule): Likewise.
7959 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7961 * flow.c (life_analysis_1): Break out some functions.
7962 (find_basic_blocks_1): Likewise. Also move some variables out and
7964 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
7965 new static var nonlocal_label_list with it.
7966 (active_eh_region, nested_eh_region, label_value_list,
7967 nonlocal_label_list): New static variables.
7968 (make_edges, delete_unreachable_blocks, delete_block): New static
7969 functions, broken out of find_basic_blocks_1.
7970 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
7971 noop_move_p): New static functions, broken out of life_analysis_1.
7973 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
7975 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
7976 Take extra care for op0 now possibly being a subreg.
7977 (extract_bit_field): Likewise.
7978 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
7979 the reg to memory if there is no equal sized integral mode.
7980 * stor-layout.c (int_mode_for_mode): New function.
7981 * machmode.h: Prototype it.
7983 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
7985 * global.c (build_insn_chain): Verify no real insns exist past the
7986 end of the last basic block, then exit the loop.
7988 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7990 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
7992 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
7994 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
7996 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
7998 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
8000 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
8002 * flow.c (find_basic_blocks): Correctly determine when a call
8003 is within an exception region.
8005 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
8007 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
8009 * cpplib.h: Protect from multiple inclusions.
8010 * cpplib.c: Fix minor formatting problems.
8012 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
8014 * jump.c (jump_optimize): Revert accidental patch.
8016 * Makefile.in (cpplib.o): Use unlibsubdir.
8018 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
8020 * loop.c (get_condition): Allow combine when either compare is
8023 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
8025 * version.c: Bump for snapshot.
8027 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
8029 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
8030 (init_lex): Initialize ridpointers[RID_BYREF].
8031 * c-lex.h (enum rid): Add RID_BYREF.
8032 * c-parse.gperf: Add RID_BYREF as a type qualifier.
8033 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
8034 (encode_type_qualifiers): Similarly
8035 * c-gperf.h: Rebuilt.
8037 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
8039 * c-common.c (type_for_mode): Only return TItype nodes when
8040 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8041 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
8042 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8043 (init_decl_processing): Only create TItype nodes when
8044 HOST_BITS_PER_WIDE_INT is >= 64 bits.
8045 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
8046 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
8048 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8050 * stmt.c (n_occurrences): New static function.
8051 (expand_asm_operands): Verify that all constrains match in the
8052 number of alternatives.
8053 Verify that '+' or '=' are at the beginning of an output constraint.
8054 Don't allow '&' for input operands.
8055 Verify that '%' isn't written for the last operand.
8056 * reload.c (find_reloads): Abort if an asm is found with invalid
8057 constraints; all possible problems ought to be checked for earlier.
8059 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8061 * flags.h (flag_branch_on_count_reg): Always declare
8062 * toplev.c (flag_branch_on_count_reg): Likewise.
8063 * toplev.c: Fix typos.
8065 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
8068 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
8070 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
8072 (find_basic_blocks_1): Add a nop to the end of a basic block when
8073 a trailing call insn does not have abnormal control flow.
8074 * gcse.c (pre_transpout): New variable.
8075 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
8076 (compute_pre_transpout): Calculate it.
8077 (compute_pre_ppinout): Use it to eliminate impossible placements
8078 due to abnormal control flow through calls.
8079 (compute_pre_data): Call compute_pre_transpout.
8081 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8083 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
8085 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
8087 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
8088 and matching define_insns): Tack on a `use' of the table label, so
8089 flow analysis will recognize a tablejump.
8091 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
8093 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
8094 always end basic blocks for abnormal edge reasons.
8096 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
8098 * config/i386/i386.h: Remove definition of
8099 HANDLE_PRAGMA_PACK_PUSH_POP.
8101 * config/i386/go32.h: Add definition of
8102 HANDLE_PRAGMA_PACK_PUSH_POP.
8104 * config/i386/win32.h: Add definition of
8105 HANDLE_PRAGMA_PACK_PUSH_POP.
8107 * config/i386/cygwin32.h: Add definition of
8108 HANDLE_PRAGMA_PACK_PUSH_POP.
8110 * c-pragma.c (insert_pack_attributes): Do not insert
8111 attributes unless #pragma pack(push,<n>) is in effect.
8113 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
8115 * expr.c (emit_group_store): Handle a PARALLEL destination.
8117 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
8119 * gcse.c (pre_insert_insn): When a call ends a bb, insert
8120 the new insns before the argument regs are loaded.
8122 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8124 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
8125 (c-parse.gperf): Update comments describing invocation flags.
8126 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
8128 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
8130 * reload1.c (reload): Call free before clobbering the memory
8131 locations or constants pointers.
8133 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8135 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
8136 for efficiency by checking whether we need to modify the current
8137 stack permission at all.
8138 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
8139 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
8140 __enable_execute_stack libcall here too if
8141 TRANSFER_FROM_TRAMPOLINE is defined.
8142 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
8145 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
8147 * Makefile.in (DRIVER_DEFINES): Remove last change.
8149 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8151 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
8152 insns we're going to copy.
8153 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
8155 * loop.c (count_one_set): Add prototype.
8157 * caller-save.c (restore_referenced_regs): Lose mode argument.
8158 (insert_save): Lose mode argument.
8159 (insert_restore): Lose mode argument.
8160 (insert_one_insn): Lose mode argument.
8161 (save_call_clobbered_regs): Lose mode argument.
8162 (setup_save_areas): Take no argument and return void. All callers
8164 Don't verify validity of memory addresses.
8165 * reload.h (setup_save_ares): Adjust prototype.
8166 (save_call_clobbered_regs): Likewise.
8167 * reload1.c (delete_caller_save_insns): New function.
8168 (caller_save_spill_class): Delete variable.
8169 (caller_save_group_size): Delete variable.
8170 (reload): Call setup_save_areas and save_call_clobbered_regs
8171 in the main loop, before calling calculate_needs_all_insns.
8172 Don't call save_call_clobbered_regs after the loop.
8173 Call delete_caller_save_insns at the end of an iteration if
8175 Delete code to manage caller_save_spill_class.
8176 Emit the final note before setting reload_first_uid.
8177 Simplify test that determines whether reload_as_needed gets run.
8178 (calculate_needs): Delete code to manage caller_save_spill_class.
8180 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
8182 * collect2.c (main): Initialize ld_file_name.
8184 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
8186 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
8187 check for flag_function_sections.
8189 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8191 * cse.c (insert_regs): Fix bug in Sep 24 change.
8193 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8195 * flags.h (flag_dump_unnumbered): Declare.
8196 * toplev.c (flag_dump_unnumbered): Don't declare.
8197 * print-rtl.c (flags.h): Include.
8198 (print_rtl_single): Add return value.
8199 * rtl.h (print_rtl_single): Update declaration.
8200 * flow.c (flag_dump_unnumbered): Don't declare.
8201 (print_rtl_with_bb): Use return value of print_rtl_single.
8203 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8205 * loop.c (count_one_set): New static function, broken out of
8207 (count_loop_regs_set): Call it.
8208 * global.c (mark_reg_store): Handle clobbers here by not calling
8210 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
8211 is in fact a clobber.
8212 * integrate.c (process_reg_param): New function, broken out of
8213 expand_inline_function.
8214 (expand_inline_function): Call it.
8217 * i386.md (addsidi3_1): Delete unused variable temp.
8218 (addsidi3_2): Likewise.
8219 (clstrstrsi): Delete unused variable addr1.
8221 * rtl.h: Don't declare any functions also declared in recog.h.
8223 * Makefile.in (stupid.o): Update dependencies.
8224 (global.o): Likewise.
8226 * global.c: Include reload.h
8227 (reg_becomes_live): New function.
8228 (reg_dies): New function.
8229 (build_insn_chain): New function.
8230 (global_alloc): Call build_insn_chain before calling reload.
8232 * reload.h (struct needs): New structure definition.
8233 (struct insn_chain): Likewise.
8234 (reload_insn_chain): Declare variable.
8235 (new_insn_chain): Declare function.
8238 * reload1.c (reload_startobj): New variable.
8239 (reload_insn_chain): New variable.
8240 (unused_insn_chains): New variable.
8241 (new_insn_chain): New function.
8242 (init_reload): Initialize reload_startobj, not reload_firstobj.
8243 (reload): Initialize reload_firstobj.
8244 Before returning, free everything on the reload_obstack.
8246 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
8247 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
8248 current_chain): New variables.
8249 (reg_where_born): Delete variable.
8250 (REG_WHERE_BORN): New macro.
8251 (find_clobbered_regs): New function.
8252 (stupid_life_analysis): Don't allocate/free reg_where_born.
8253 Allocate and free reg_where_born_exact, reg_where_born_clobber,
8254 reg_where_dead_chain.
8255 Use REG_WHERE_BORN instead of reg_where_born.
8256 While processing the insns, build the reload_insn_chain with
8257 information about register lifetimes.
8258 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
8259 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
8261 Compute and information about birth and death of pseudo registers in
8262 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
8263 Delete code to set elements of reg_where_born.
8265 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8267 * tree.def (GOTO_EXPR): Modified documentation.
8268 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
8271 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
8273 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
8274 loop_final_value, loop_comparison_code): No longer static.
8275 (unroll_loop): Delete loop_start_value update.
8276 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
8277 loop_final_value, loop_comparison_code): Extern.
8278 (loop_start_value): Delete extern.
8279 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
8280 loop_comparison_value, loop_comparison_code): Delete.
8281 (loop_optimize): Remove initialization for deleted variables.
8282 (strength_reduce): Delete analyze_loop_iterations call. Only call
8283 insert_bct if flag_branch_count_on_reg set.
8284 (analyze_loop_iterations): Delete.
8285 (insert_bct): Remove iteration count calculation. Move checks for
8286 viable BCT optimization to here. Obtain iteration count from
8287 loop_iterations and correct for unrolling. Check for enough
8288 iteration to be beneficial. Comment out runtime iteration count
8290 (insert_bct): Print iteration count in dump file. Remove
8291 loop_var_mode and use word_mode directly.
8293 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
8294 * rs6000.c (rs6000_override_options): Use it.
8295 (optimization_options): Enable use of flag_branch_on_count_reg.
8296 * rs6000.md (define_function_unit): Describe 604e.
8298 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8300 * loop.c (move_movables): Corrected threshold calculation for
8301 moved_once registers.
8303 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8305 * loop.c (combine_givs_p): Fix test for identical givs.
8307 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
8309 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
8310 call abort if the function is already defined.
8312 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
8314 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
8315 truncation is not a no-op.
8317 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
8319 * version.c: Bump for snapshot.
8321 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
8323 * version.c: Bump for snapshot.
8325 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
8327 * expmed.c (expand_divmod): Don't widen for computing remainder
8328 if we seem to have a divmod pattern for needed mode.
8330 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8332 * cpplib.c (macroexpand): Correct off-by-one error in handling
8335 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
8337 * combine.c (expand_field_assignment): Don't do bitwise operations
8338 on MODE_FLOAT; pun to MODE_INT if possible.
8340 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
8341 scott snyder <snyder@d0sgif.fnal.gov>
8343 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
8344 linker. Recognize mangled names in quotes.
8346 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8348 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
8349 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
8350 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
8351 (lshrsi3_extend, lshrsi3_extend2): Ditto.
8353 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8355 * function.c (purge_addressof_1): If trying to take a sub-word
8356 integral piece of a floating point mode, put it on the stack.
8358 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
8360 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
8362 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
8364 * PROJECTS: Remove template friends.
8366 * collect2.c (sort_ids): Remove unused variable.
8368 * tm.texi (MATH_LIBRARY): Document.
8369 (NEED_MATH_LIBRARY): Remove.
8371 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
8372 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
8374 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
8376 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
8377 last_end to 0x7fffffff.
8379 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8381 * function.c (purge_addressof_1): Do not perform endianness
8382 corrections on bitpos, who we call will do it for us.
8384 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
8386 * h8300.c (WORD_REG_USED): Fix typo.
8387 (initial_offset): Use WORD_REG_USED.
8389 * h8300.c (handle_pragma): Fix typo.
8391 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8393 * caller-save.c (insert_save_restore): Break this function up
8394 into new functions insert_restore, insert_save and insert_one_insn.
8395 All callers changed.
8396 (insert_restore): New function, mostly broken out of
8397 insert_save_restore.
8398 (insert_save): Likewise.
8399 (insert_one_insn): Likewise.
8400 (restore_referenced_regs): New argument BLOCK. All callers changed.
8401 (save_call_clobbered_regs): Don't keep track of basic block boundaries
8402 in this function, do it in insert_one_insn instead.
8404 * reload1.c (reload): Break out some more pieces into separate
8406 (dump_needs): New function, broken out of reload.
8407 (set_initial_elim_offsets): Likewise.
8408 (init_elim_table): Likewise.
8409 (update_eliminables): Likewise.
8411 * global.c (global_alloc): Delete code to manage the scratch_list.
8412 * local-alloc.c (qty_scratch_rtx): Delete.
8413 (scratch_block): Delete.
8414 (scratch_list): Delete.
8415 (scratch_list_length): Delete.
8416 (scratch_index): Delete.
8417 (alloc_qty_for_scratch): Delete.
8418 (local-alloc): Update initialization of max_qty.
8419 Delete code to manage the scratch list.
8420 Delete code to allocate/initialize qty_scratch_rtx.
8421 (block_alloc): Don't allocate quantities for scratches.
8422 Delete code to manage the scratch list.
8423 * regs.h (scratch_list): Delete declaration.
8424 (scratch_block): Delete declaration.
8425 (scratch_list_length): Delete declaration.
8426 * reload1.c (reload): Delete code to manage the scratch list.
8427 (spill_hard_reg): Likewise.
8428 (mark_scratch_live): Delete.
8430 * recog.c (alter_subreg): Delete declaration.
8432 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8434 * Makefile.in (cccp.o): Fix typo in last patch.
8436 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8438 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
8439 * config/sh/lib1funcs.asm (___set_fpscr): Add.
8441 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
8443 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
8444 NULL_RTX as an argument.
8446 * Makefile.in (unlibsubdir): Define.
8447 (DRIVER_DEFINES): Use unlibsubdir.
8448 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
8449 (stmp-fixinc): Similarly.
8451 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
8453 * regmove.c (regmove_optimize): Add variable old_max_uid.
8454 At the end of the function, update basic_block_end.
8456 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8458 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
8459 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
8462 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
8464 * config/arm/arm.c: Improve interworking support.
8466 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8468 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
8469 copied from reload_out[r] .
8471 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
8473 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
8474 with more than three size ranges.
8476 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
8478 * rtl.c (mode_name): Add a null string at the end of the array.
8479 (mode_wider_mode): Change type to unsigned char.
8480 (mode_mask_array): New variable.
8481 (init_rtl): Update for mode_wider_mode type change.
8483 * rtl.h (mode_wider_mode): Change type to unsigned char.
8484 (mode_mask_array): Declare.
8485 (GET_MODE_MASK): Use mode_mask_array.
8487 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
8489 * calls.c (expand_call) : Encapsulate code into
8490 copy_blkmode_from_reg.
8491 * expr.c (copy_blkmode_from_reg): New function.
8492 * expr.h (copy_blkmode_from_reg): New function.
8493 * integrate.c (function_cannot_inline_p): We can inline
8495 (expand_inline_function): Use copy_blkmode_from_reg
8496 if needed. Avoid creating BLKmode REGs.
8497 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
8500 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
8502 * config/v850/v850.c: Add function prototypes.
8503 Add support for v850 special data areas.
8505 * config/v850/v850.h: Add support for v850 special data areas.
8507 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
8508 HANDLE_PRAGMA_PACK_PUSH_POP.
8509 (push_alignment): New function: Cache an alignment requested
8510 by a #pragma pack(push,<n>).
8511 (pop_alignment): New function: Pop an alignment from the
8513 (insert_pack_attributes): New function: Generate __packed__
8514 and __aligned__ attributes for new decls whilst a #pragma pack
8516 (add_weak): New function: Cache a #pragma weak directive.
8517 (handle_pragma_token): Document calling conventions. Add
8518 support for #pragma pack(push,<n>) and #pragma pack (pop).
8520 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
8521 are defined enable HANDLE_PRAGMA_PACK.
8522 Move 'struct weak_syms' here (from varasm.c).
8523 Add pragma states for push and pop pragmas.
8525 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
8528 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
8529 HANDLE_GENERIC_PRAGMAS.
8531 * varasm.c: Move definition of 'struct weak_syms' into
8533 (handle_pragma_weak): Deleted.
8535 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
8537 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
8539 * c-decl.c (start_function): Add invocation of
8540 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
8542 * tm.texi: Remove description of non-existant macro
8543 SET_DEFAULT_SECTION_NAME.
8545 (HANDLE_SYSV_PRAGMA): Document.
8546 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
8548 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
8550 * config.sub: Recognize i[34567]86-pc-udk as new target.
8551 * configure.in: Likewise.
8552 * config/i386/t-udk: New file.
8553 * config/i386/udk.h: New file.
8555 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
8557 * reorg.c (check_annul_list_true_false): Remove unused variables.
8558 (steal_delay_list_from_target): Add missing "used_annul" variable.
8559 (try_merge_delay_insns): Close out half formed comment.
8561 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8563 * cpplib.c (macroexpand): If arg->raw_before or
8564 arg->raw_after, remove any no-reexpansion escape at the
8565 beginning of the pasted token. Correct handling of whitespace
8566 markers and no-reexpand markers at the end if arg->raw_after.
8568 * toplev.c (documented_lang_options): Recognize -include,
8569 -imacros, -iwithprefix, -iwithprefixbefore.
8570 * cpplib.c (cpp_start_read): Process -imacros and -include
8571 switches at the same time and in command-line order, after
8572 initializing the dependency-output code. Emit properly nested
8573 #line directives for them. Emit a #line for the main file
8574 before processing these switches, and don't do it again
8577 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
8579 * function.c (purge_addressof_1): Use bitfield manipulation
8580 routines to handle mem mode < reg mode.
8582 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8584 * reorg.c (try_merge_delay_insns): Account for resources referenced
8585 in each instruction in INSN's delay list before trying to eliminate
8586 useless instructions. Similarly when looking at a trial insn's delay
8589 * reorg.c (check_annul_list_true_false): New function.
8590 (steal_delay_list_from_{target,fallthrough}): Call it and also
8591 refine tests for when we may annul if already filled a slot.
8592 (fill_slots_from_thread): Likewise.
8593 (delete_from_delay_slot): Return newly-created thread.
8594 (try_merge_delay_isns): Use its new return value.
8596 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
8598 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
8599 used to compute a giv or as some other non-counting use.
8601 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8603 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
8604 * local-alloc.c (find_free_reg): Use it.
8605 * global.c (find_reg): Likewise.
8606 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
8608 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
8609 * caller-save.c (init_caller_save): Use it.
8610 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
8612 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8614 * configure.in: Add --enable-cpplib option which uses cpplib
8615 for cpp, but doesn't link cpplib into cc1. Make help text
8616 capitalization consistent.
8617 * configure: Rebuilt.
8619 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
8621 * function.c (gen_mem_addressof): If the address REG is
8622 REG_USERVAR_P make the new REG be so also.
8623 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
8624 in an attempt to clarify slightly.
8626 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
8628 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
8629 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
8631 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
8633 * toplev.c: Fix last patch.
8635 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
8637 * loop.c (get_condition): Fix typo in May 9 change.
8639 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8641 * invoke.texi (-fexceptions): Merge 2 different descriptions.
8643 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8645 * toplev.c (documented_lang_options): Spelling corrections.
8647 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8649 * configure.in: new flags --with-ld and --with-as, equivalent
8650 to setting LD and AS environment variables. Test whether
8651 specified arguments are GNU commands, and report them with
8652 checking messages. Use the specified AS for configure
8655 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
8657 * gcc.c (find_a_file): when looking for `as' and `ld', return
8658 the DEFAULT program if it exists
8659 * collect2.c (main): use DEFAULT_LINKER if it exists
8661 * gcc.c (find_a_file): the test for existence of a full
8662 pathname was reversed
8664 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
8666 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
8667 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
8669 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
8671 * tree.h (TYPE_BINFO): Document.
8673 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
8675 * i386-coff.h (dbxcoff.h): Added.
8677 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
8679 * toplev.c: fix bad patch around flag_data_sections.
8681 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
8683 * reload1.c (reload): Use reload_address_index_reg_class and
8684 reload_address_base_reg_class when setting
8685 caller_save_spill_class. (Patch generated by Jim Wilson:
8688 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
8690 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
8691 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
8692 * expr.c (store_field): Add alias_set parameter. Set the
8693 MEM_ALIAS_SET accordingly, if the target is a MEM.
8694 (expand_assignment): Use it.
8695 (store_constructor_field): Pass 0.
8696 (expand_expr): Likewise.
8698 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
8700 * flags.h: Add flag_data_sections.
8701 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
8702 (compile_file): Error if flag_data_sections not supported.
8703 * varasm.c (assemble_variable): Handle flag_data_sections.
8704 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
8705 * config/mips/elf.h: Likewise.
8706 * config/mips/elf64.h: Likewise.
8707 * invoke.texi: Describe -fdata-sections.
8709 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
8711 * invoke.texi (-ffloat-store): Clarify that this option
8712 does not affect intermediate results -- only variables.
8714 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
8716 * cpp.texi: Update for Fortran usage from Craig.
8718 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
8720 * rs6000.c (function_arg_boundary): Revert accidental change on
8723 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
8725 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
8726 (output_mi_thunk): Declare.
8728 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
8729 (output_function_profiler): Use r12 for temp, instead of r11 so
8730 that we preserve the static chain register.
8732 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
8734 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
8736 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8738 * sh.c (gen_shl_sext): Fix case 5.
8740 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8742 * reload1.c (reload_combine): Re-add line that got accidentally lost.
8744 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8746 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
8747 accessing variables until they are initialized via va_arg().
8749 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8751 * reload1.c (reload_combine): Initialize set before using.
8753 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
8755 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
8758 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
8760 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
8761 operand3 with mask before using it. Patch provided by Jim Wilson.
8763 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8765 * config/sparc/sparc.c (function_value): Perform the equivalent of
8766 PROMOTE_MODE for ARCH64.
8767 (eligible_for_epilogue_delay): Allow DImode operations in delay
8768 slot of a return for ARCH64.
8770 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8772 * sh.md (sqrtsf2): Fix mode of sqrt.
8774 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8776 * reload1.c (choose_reload_regs): Also try inheritance when
8777 reload_in is a stack slot of a pseudo, even if we already got a
8780 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8782 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
8783 (reload_cse_regs): New function body: call reload_cse_regs_1,
8784 reload_combine, reload_cse_move2add.
8785 When doing expensive_optimizations, call reload_cse_regs_1 a
8786 second time after reload_cse_move2add.
8787 (reload_combine, reload_combine_note_store): New functions.
8788 (reload_combine_note_use): New function.
8789 (reload_cse_move2add, move2add_note_store): New functions.
8791 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8793 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
8794 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
8796 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
8797 more than 3 such reloads.
8799 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
8800 RELOAD_FOR_X_ADDR_ADDR reload.
8802 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8804 * expr.c (store_constructor): When initializing a field that is smaller
8805 than a word, at the start of a word, try to widen it to a full word.
8807 * cse.c (cse_insn): When we are about to change a register,
8808 remove any invalid references to it.
8810 (remove_invalid_subreg_refs): New function.
8811 (mention_regs): Special treatment for SUBREGs.
8812 (insert_regs): Don't strip SUBREG for call to mention_regs.
8813 Check if reg_tick needs to be bumped up before that call.
8814 (lookup_as_function): Try to match known word_mode constants when
8815 looking for a norrower constant.
8816 (canon_hash): Special treatment for SUBREGs.
8818 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8820 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
8821 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
8822 defined, emit libcall to __enable_execute_stack. Also fix opcodes
8823 and offsets in actual stack trampoline code so they match the
8824 commentary and actually work.
8826 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8828 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
8830 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
8831 tmake_file. Set extra_parts to needed crt objects.
8832 * configure: Rebuilt.
8833 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
8834 (TARGET_DEFAULT): Set if default is v9 or ultra.
8835 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
8836 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
8837 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
8838 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
8839 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
8840 (TARGET_VERSION): Define.
8841 (MULTILIB_DEFAULT): Define.
8842 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
8843 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
8844 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
8846 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
8847 * config/sparc/sparc.c (sparc_override_options): If arch and
8848 pointer size disagree, emit diagnostic and fix it up. If
8849 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
8850 V8PLUS in 64-bit mode.
8851 * config/sparc/t-linux64: New file.
8852 * config/sparc/t-sol2-64: New file.
8853 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
8854 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
8855 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
8856 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
8857 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
8858 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
8860 (STARTFILE_SPEC): Set approriately based upon those.
8861 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
8862 disposition of DEFAULT_ARCH32_P.
8863 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
8864 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
8865 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
8866 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
8867 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
8869 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
8871 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
8873 * rtl.h (init_virtual_regs): New function.
8874 * emit-rtl.c (init_virtual_regs): Define.
8875 (insn_emit): Use it.
8876 * integrate.c (save_for_inline_copying): Likewise.
8878 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
8880 * config/arm/thumb.h: The following patches were made by Jim Wilson:
8881 (enum reg_class): Add NONARG_LO_REGS support.
8882 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8883 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
8884 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
8885 completes. Re-enable HImode REG+OFFSET addresses.
8886 (LEGITIMIZE_RELOAD_ADDRESS): Define.
8888 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
8890 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
8892 * alpha.c (get_aligned_mem): Revert Sep 20 change.
8893 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
8894 (alpha_align_insns): Properly calculate initial offset wrt max_align.
8896 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
8898 * arm.c (find_barrier): Revert change of Apr 23. Handle table
8899 jumps as a single entity, taking into account the size of the
8902 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8904 * tree.def (SWITCH_EXPR): New tree node definition.
8906 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
8908 * version.c: Bump for snapshot.
8910 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
8912 * version.c: Bump for snapshot.
8914 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
8916 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
8919 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
8921 * Revert this patch.
8922 * reload.c (find_reloads): Do not replace a pseudo with
8923 (MEM (reg_equiv_addr)) in the initializing insn for the
8926 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
8928 * final.c (final_scan_insn): Disable tracking CC across branches.
8930 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8932 * expr.h (eh_rtime_match_libfunc): New extern declaration.
8933 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
8934 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
8935 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
8936 NULL. Only include <stdio.h> if inhibit_libc is not defined.
8938 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
8940 * toplev.c (rest_of_compilation): Skip compiling anything with
8941 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
8943 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
8945 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
8946 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
8947 use in_libcall_block.
8948 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
8949 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
8952 Mon Sep 21 14:02:23 1998
8954 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
8955 typo in no-fancy-math-387 description.
8957 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
8959 * version.c: Bump for snapshot.
8961 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
8963 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
8965 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
8967 * i386.h: (TARGET_SWITCHES) Add description fields for flags
8968 documented in install.texi.
8969 (TARGET_OPTIONS) Likewise.
8971 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
8973 * version.c: Bump for snapshot.
8975 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
8977 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
8978 * cccp.c (main): Likewise.
8980 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
8981 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
8984 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
8986 * Makefile.in (LIBS): Link in libiberty.a.
8987 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
8989 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
8991 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
8992 it to update bb boundaries. Update caller.
8993 * function.c (reposition_prologue_and_epilogue_notes): Update
8994 bb boundaries wrt the moved note.
8996 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
8998 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
9000 * configure: Regenerate.
9002 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
9004 * alpha.c (alpha_sr_alias_set): New variable.
9005 (override_options): Set it.
9006 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
9007 (mode_mask_operand): Fix signed-unsigned comparision warning.
9008 (alpha_expand_block_move): Likewise.
9009 (print_operand): Likewise.
9010 (get_aligned_mem): Use change_address.
9011 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
9012 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
9013 (alphaev4_next_nop, alphaev5_next_nop): New functions.
9014 (alpha_align_insns): Remade from old alphaev5_align_insns
9015 to handle multiple processors.
9016 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
9017 * output.h (label_to_alignment): Prototype.
9019 * tree.c (new_alias_set): New function.
9020 * tree.h (new_alias_set): Declare it.
9021 * c-common.c (c_get_alias_set): Use it.
9023 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
9025 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
9026 to an ABS expr, convert an unsigned input to signed.
9028 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
9030 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
9032 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9034 * configure.in: Add support for c4x targets.
9035 * configure: Rebuilt.
9037 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
9039 * combine.c (distribute_notes): If an insn is a cc0 user, only
9040 delete it if we can also delete the cc0 setter.
9042 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
9044 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
9045 (invert_truthvalue): Enable truthvalue inversion for
9046 floating-point operands if -ffast-math.
9048 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
9050 * configure.in: Disable collect2 for nextstep. Instead use
9052 * configure: Rebuilt.
9053 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
9054 (ENDFILE_SPEC): Define.
9055 (OBJECT_FORMAT_MACHO): Define.
9056 (EH_FRAME_SECTION_ASM_OP): Define.
9057 * crtstuff.c: Handle MACHO.
9059 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
9061 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
9063 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
9065 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
9066 (_fpadd_parts): Get sign right for 0.
9068 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9070 * ginclude/varargs.h: Add support for C4x target.
9071 * ginclude/stdargs.h: Likewise.
9073 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
9075 * alpha.c (alpha_return_addr): SET should be VOIDmode.
9076 (alpha_emit_set_long_const): Rewrite to be callable from reload
9078 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
9079 * alpha.md (movdi): Likewise.
9081 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
9083 * arm.c (add_constant): New parameter address_only, change caller.
9084 Set it non-zero if taking the address of an item in the pool.
9085 (arm_reorg): Handle cases where we need the address of an item in
9088 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
9090 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
9091 memory addresses that are not in standard canonical form.
9093 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
9095 * README.C4X: New file with information about the c4x ports.
9096 * ginclude/va-c4x.h: New file for c4x varargs support.
9097 * config/c4x: New directory with c4x port files.
9099 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
9101 * reload.c (find_reloads): Do not replace a pseudo with
9102 (MEM (reg_equiv_addr)) in the initializing insn for the
9105 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
9107 * toplev.c (rest_of_compilation): Set bct_p on second call to
9109 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
9111 (strength_reduce): Only call analyze_loop_iterations and
9112 insert_bct if bct_p set.
9113 (check_dbra_loop): Fix typo.
9114 (insert_bct): Use word_mode instead of SImode.
9115 (instrument_loop_bct): Likewise. Do not delete iteration count
9116 condition code generation insn. Initialize iteration count before
9118 * rtl.h (loop_optimize): Update prototype.
9120 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
9121 not doubleword aligned.
9123 * rs6000.c (optimization_options): New function.
9124 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
9125 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
9126 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
9127 first; cr1 can be used for FP record condition insns.
9129 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
9131 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
9134 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
9137 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
9139 (block_move_call): New function: Call a library routine to copy a
9141 (m32r_expand_block_move): New function: Expand a "movstrsi"
9142 pattern into a sequence of insns.
9143 (m32r_output_block_move): New function: Expand a
9144 "movstrsi_internal" pattern into a sequence of assembler opcodes.
9145 (m32r_block_immediate_operand): New function: Return true if the
9146 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
9148 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9150 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
9152 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
9154 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9156 * regmove.c (copy_src_to_dest): Check that modes match.
9158 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
9160 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
9162 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
9164 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
9165 narrower than FLOAT_REGS.
9167 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9169 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
9171 * Makefile.in (old_gxx_include_dir): removed
9173 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
9175 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
9178 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
9179 (sh_handle_pragma): Change function arguments to match new
9180 specification for HANDLE_PRAGMA.
9182 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9184 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
9186 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
9187 When generating output, initialize missing struct member to zero.
9189 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9191 * regmove.c (copy_src_to_dest): Don't copy if that requires
9192 (a) new register(s).
9194 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9196 * global.c (reg_allocno): Now static.
9197 * reload1.c (reg_allocno): Delete declaration.
9198 (order_regs_for_reload): Take no arguments. Don't treat regs
9199 allocated by global differently than those allocated by local-alloc.
9201 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
9203 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
9204 condition, fix format strings.
9205 (output_function_epilogue): Likewise.
9207 * m68k/m68k.c: Don't include <stdlib.h> directly.
9209 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
9211 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
9212 mem_first_set, mem_last_set; because 0 can be a CUID.
9213 (oprs_unchanged_p): Use new definition.
9214 (record_last_reg_set_info): Likewise.
9215 (record_last_mem_set_info): Likewise.
9216 (compute_hash_table): Likewise.
9218 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
9220 * rs6000.c (output_epilogue): Handle Chill.
9222 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
9223 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
9225 * combine.c (make_extraction): If no mode is specified for
9226 an operand of insv, extv, or extzv, default it to word_mode.
9227 (simplify_comparison): Similarly.
9228 * expmed.c (store_bit_field): Similarly.
9229 (extract_bit_field): Similarly.
9230 * function.c (fixup_var_regs_1): Similarly.
9231 * recog.c (validate_replace_rtx_1): Similarly.
9232 * mips.md (extv, extzv, insv expanders): Default modes for most
9233 operands. Handle TARGET_64BIT.
9234 (movdi_uld, movdi_usd): New patterns.
9236 * pa.c (emit_move_sequence): Do not replace a pseudo with its
9237 equivalent memory location unless we have been provided a scratch
9238 register. Similarly do not call find_replacement unless a
9239 scratch register has been provided.
9241 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9243 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
9246 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
9248 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
9249 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
9250 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
9251 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
9252 * c-decl.c (init_decl_processing): Update accordingly.
9253 * expr.c (expand_builtin): Likewise.
9255 * rtl.h (global_rtl): Add cfa entry.
9256 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
9257 (LAST_VIRTUAL_REGISTER): Update.
9258 * emit-rtl.c (global_rtl): Add cfa entry.
9259 (init_emit): Initialize it.
9260 * function.c (cfa_offset): New.
9261 (instantiate_virtual_regs): Initialize it.
9262 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
9263 (expand_function_end): Call expand_eh_return.
9264 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
9266 * except.c (current_function_eh_stub_label): Kill.
9267 (current_function_eh_old_stub_label): Likwise; update all references.
9268 (expand_builtin_set_return_addr_reg): Kill.
9269 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
9270 (expand_builtin_set_eh_regs): Kill.
9271 (eh_regs): Produce a third reg for the actual handler address.
9272 (eh_return_context, eh_return_stack_adjust): New.
9273 (eh_return_handler, eh_return_stub_label): New.
9274 (init_eh_for_function): Initialize them.
9275 (expand_builtin_eh_return, expand_eh_return): New.
9276 * except.h: Update prototypes.
9277 * flow.c (find_basic_blocks_1): Update references to the stub label.
9278 * function.h (struct function): Kill stub label elements.
9280 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
9281 register number is one that would be in the previous window.
9282 Provide a dummy definition for non-windowed targets.
9283 (get_reg_addr): New function.
9284 (get_reg, put_reg, copy_reg): Use it.
9285 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
9286 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
9288 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
9289 (alpha_init_expanders): Initialize it.
9290 (alpha_expand_epilogue): Use it.
9291 * alpha.h: Declare it.
9292 * alpha.md (eh_epilogue): New.
9294 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
9295 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
9297 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
9299 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
9302 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9304 * except.h (struct eh_entry): Add false_label field.
9305 (end_catch_handler): Add prototype.
9306 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
9307 (start_catch_handler): When using old style exceptions, issue
9308 runtime typematch code before continuing with the handler.
9309 (end_catch_handler): New function, generates label after handler
9310 if needed by older style exceptions.
9311 (expand_start_all_catch): No need to check for new style exceptions.
9312 (output_exception_table_entry): Only output the first handler label
9313 for old style exceptions.
9314 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
9315 mechanism into one function, if a runtime matcher is provided.
9317 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
9319 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
9321 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
9323 * integrate.c (copy_decl_list): Fix typo.
9325 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9327 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
9330 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
9332 * version.c: Bump for snapshot.
9334 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
9336 * version.c: Bump for snapshot.
9338 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
9340 * version.c: Bump for snapshot.
9342 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9344 * invoke.texi (C Dialect Options): Put back missing @end itemize.
9346 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
9348 * configure.in: remove usage of `!' to negate the result of a
9349 command; some common shells do not support it
9351 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9353 * configure.in: in sparc9-sol2 config, use 'if test' not
9355 * configure: Rebuilt.
9357 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
9359 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
9360 (CPP_CPU_DEFAULT_SPEC): Likewise.
9361 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
9362 for arch64 libfuncs.
9364 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
9367 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9369 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
9371 * collect2.c: Don't declare `sys_siglist' here.
9372 (my_strsignal): Prototype and define new function. Use it in
9373 place of `sys_siglist' hacks.
9375 * mips_tfile.c: Likewise.
9377 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
9378 (GCC_NEED_DECLARATIONS): Likewise.
9380 * system.h (strsignal): Prototype it, if necessary.
9381 (sys_siglist): Declare it, if necessary.
9383 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9385 * loop.c (move_movables): While removing insn sequences, preserve
9386 the next pointer of the most recently deleted insn when we skip
9389 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
9391 * objc/config-lang.in: Do not output the name of the selected
9392 thread file when building the front-end. The Makefile for the
9393 runtime library will do this.
9395 * objc/Make-lang.in: Do not build the runtime library or install
9396 the Objective C header files. The Makefile for the runtime
9397 library will do this.
9399 * objc/Makefile.in (all.indirect): Only build the front-end.
9400 (compiler): Rename to `frontend'.
9401 (obj-runtime): Remove target.
9402 (copy-headers): Likewise.
9403 (clean): No need to remove `libobjc.a' any longer.
9405 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
9407 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
9408 supported with -mcpu=xxx.
9410 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9412 * flow.c (mark_set_1): Recognize multi-register structure return
9413 values in CALL insns.
9414 (mark_used_regs): Likewise.
9415 (count_reg_sets_1): Likewise.
9416 (count_reg_references): Likewise.
9417 * rtlanal.c (note_stores): Likewise.
9418 (reg_overlap_mentioned_p): Likewise.
9419 * haifa-sched.c (check_live_1): Likewise.
9420 (update_live_1): Likewise.
9421 (sched_analyze_1): Likewise.
9422 (sched_note_set): Likewise.
9423 (birthing_insn_p): Likewise.
9424 (attach_deaths): Likewise.
9426 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
9429 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
9431 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
9433 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9435 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
9437 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9439 * configure.in: Add check for GAS subsection -1 support.
9440 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
9441 * configure config.in: Rebuilt.
9442 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
9443 SImode is subsection -1 works, else use DImode.
9444 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
9445 subsection -1 works.
9446 * config/sparc/sparc.c (sparc_output_addr_vec,
9447 sparc_output_addr_diff_vec): Use them if defined.
9449 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
9451 * tree.h (DECL_ORIGIN): New macro.
9452 * integrate.c (copy_and_set_decl_abstract_origin): New function.
9453 (copy_decl_list): Use it.
9454 (integrate_parm_decls): Likewise.
9455 (integrate_decl_tree): Likewise.
9456 * dwarf2out.c (decl_ultimate_origin): Simplify.
9457 * dwarfout.c (decl_ultimate_origin): Likewise.
9458 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
9459 (pushdecl): Likewise.
9461 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
9463 * config/rs6000/rs6000.c (output_epilog): Add Java support.
9465 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
9467 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
9469 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
9471 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
9472 empty or has a single entry.
9474 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
9475 before calling reg_to_stack.
9477 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
9479 * alpha.c (alphaev5_insn_pipe): Abort on default case.
9480 (alphaev5_next_group): Swallow CLOBBERs and USEs.
9482 * c-tree.h (warn_long_long): Declare it.
9484 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
9486 * emit-rtl.c (gen_lowpart_common): Disable optimization of
9487 initialized float-int union if the value is a NaN.
9489 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
9491 * c-lex.c (real_yylex): Don't warn about long long constants if
9492 we're allowing long long
9494 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9496 * except.h (current_function_eh_stub_label): Declare.
9497 (current_function_eh_old_stub_label): Declare.
9498 * function.h (struct function): New members eh_stub_label and
9500 * except.c (current_function_eh_stub_label): New variable.
9501 (current_function_eh_old_stub_label): New variable.
9502 (init_eh_for_function): Clear them.
9503 (save_eh_status): Save them.
9504 (restore_eh_status): Restore them.
9505 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
9506 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
9507 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
9508 make an edge from the block that contains it to the block starting
9509 with the label if this label is one of the eh stub labels.
9510 If eh stub labels exist, show they are reachable from the last block
9513 * reload1.c (reload): Break out several subroutines and make some
9515 (calculate_needs_all_insns): New function, broken out of reload.
9516 (calculate_needs): Likewise.
9517 (find_reload_regs): Likewise.
9518 (find_group): Likewise.
9519 (find_tworeg_group): Likewise.
9520 (something_needs_reloads): New global variable, formerly in reload.
9521 (something_needs_elimination): Likewise.
9522 (caller_save_spill_class): Likewise.
9523 (caller_save_group_size): Likewise.
9524 (max_needs): Likewise.
9525 (group_size): Likewise.
9526 (max_groups): Likewise.
9527 (max_nongroups): Likewise.
9528 (group_mode): Likewise.
9529 (max_needs_insn): Likewise.
9530 (max_groups_insn): Likewise.
9531 (max_nongroups_insn): Likewise.
9532 (failure): Likewise.
9534 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
9536 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
9538 * loop.c (load_mems): Copy rtx for output mem.
9540 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
9542 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
9543 mips1 or mips2 either.
9545 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
9547 * pa.c (pa_reorg): New marking scheme for jumps inside switch
9549 (pa_adjust_insn_length): Update to work with new marking scheme
9550 for jumps inside switch tables.
9551 * pa.md (switch_jump): Remove pattern.
9552 (jump): Handle jumps inside jump tables.
9554 * Makefile.in (profile.o): Depend on insn-config.h
9556 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
9558 * iris6.h (DWARF2_UNWIND_INFO): Undef.
9560 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9562 Add preliminary native sparcv9 Solaris support.
9563 * configure.in: Recognize sparv9-*-solaris2*
9564 * configure: rebuilt
9565 * config.sub: Recognize sparcv9 just like sparc64.
9566 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
9567 config/sparc/sol2-cn.asm: Macroize so it can be shared between
9568 32-bit and 64-bit Solaris systems.
9569 * config/sparc/t-sol2: Assemble those with cpp.
9570 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
9571 (*TF*_LIBCALL): If ARCH64 use V9 names.
9572 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
9574 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9576 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
9577 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
9579 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
9581 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
9582 to Pmode if CASE_VECTOR_MODE is something else.
9584 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
9586 * prefix.c (update_path): Correctly handle cases where PATH is
9587 a substring of the builtin prefix, but specifies a different
9590 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
9592 * expr.c: Corrected comment about what MOVE_RATIO does.
9593 * config/alpha/alpha.h: Ditto.
9594 * config/1750a/1750a.h: Ditto.
9595 * config/clipper/clipper.h: Ditto.
9596 * config/i386/i386.h: Ditto.
9598 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
9600 * configure.in (m68k-next-nextstep3*): Use collect2.
9601 Similarly for x86 NeXT configurations.
9602 * configure: Rebuilt.
9604 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
9606 * configure.in: Don't assume srcdir is .../gcc
9607 * configure: Rebuilt.
9609 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
9611 * global.c: Update comments.
9612 (global_alloc): Assign allocation-numbers
9613 even for registers allocated by local_alloc in case
9614 they are later spilled and retry_global_alloc is called.
9615 (mark_reg_store, mark_reg_clobber,
9616 mark_reg_conflicts, mark_reg_death): Always record a
9617 conflict with a pseudo register even if it has been
9618 assigned to a hard register.
9619 (dump_conflicts): Don't list pseudo registers already assigned to
9620 a hard register as needing to be allocated, but do list their
9622 * local-alloc.c: Update comment.
9624 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
9626 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
9627 * configure: Rebuilt.
9629 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
9631 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
9633 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
9634 for all targets that set -msoft-float.
9636 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9638 * toplev.c (print_switch_values): Make static to match prototype.
9640 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
9642 * configure.in: If we are unable to find the "gnatbind" program,
9643 then do not configure the ada subdir.
9644 * configure: Rebuilt.
9646 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
9648 * version.c: Bump for snapshot.
9650 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
9652 * version.c: Bump for snapshot.
9654 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9656 * Makefile.in (toplev.o): Depend on $(EXPR_H).
9657 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
9659 * gansidecl.h: Define ATTRIBUTE_NORETURN.
9661 * genattrtab.c: Have insn-attrtab.c include toplev.h.
9663 * genextract.c: Have insn-extract.c include toplev.h.
9665 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
9667 * toplev.c: Include expr.h.
9668 (really_sorry, fancy_abort): Remove prototypes.
9669 (set_target_switch): Add argument in prototype.
9670 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
9671 (v_really_sorry): Likewise.
9672 (print_version, print_single_switch, print_switch_values): Make
9673 static and add prototype arguments.
9674 (decl_printable_name): Add prototype arguments.
9675 (lang_expand_expr_t): New typedef.
9676 (lang_expand_expr): Declare as a lang_expand_expr_t.
9677 (incomplete_decl_finalize_hook): Add prototype argument.
9678 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
9679 (botch): Likewise for variable `s'.
9680 (rest_of_type_compilation): Mark variables `type' and `toplev'
9681 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
9682 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
9683 (display_help): Make variable `i' an `unsigned long'.
9684 (main): Remove unused parameter `envp'.
9685 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
9686 Cast -1 when comparing it with a `size_t'.
9688 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
9689 prototype with ATTRIBUTE_NORETURN.
9690 (fatal_insn_not_found, fatal_insn, really_sorry,
9691 push_float_handler, pop_float_handler): Add prototypes.
9692 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
9693 (do_abort, botch): Add prototypes.
9695 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
9697 * final.c (final): If a label is reached only from a single jump,
9698 call NOTICE_UPDATE_CC on the jump and its predecessor before
9699 emitting the insn after the label.
9701 * i386.h: Add AMD K6 support.
9702 Change TARGET_* macros to use table lookup.
9703 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
9704 (ADJUST_COST): Change definition to call function in i386.c.
9705 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
9706 * i386.c: Add AMD K6 support.
9707 Add constants for feature tests used by TARGET_* macros.
9708 (split_di): If before reload, call gen_lowpart and gen_highpart.
9709 (x86_adjust_cost): New function.
9710 (put_jump_code): New function.
9711 (print_operand): New codes 'D' and 'd'.
9712 * i386.md: New insn types. New insn attribute "memory".
9713 Redefine scheduling parameters to use new types and add AMD K6
9714 support. Explicitly set type of most insns.
9715 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
9716 Pro and K6 prefer movl $1,reg to incl reg.
9717 (adddi3, subdi3): Set cc_status.
9718 (DImode shift patterns): Change label counters from HOST_WIDE_INT
9719 to int; x86 can't have more than 2^31 DImode shifts per file.
9720 (setcc): Combine all setcc patterns. Allow writing memory.
9721 Combine all jump patterns using match_operator.
9722 (*bzero): Name pattern. Emit mutliple stos instructions when that
9723 is faster than rep stos.
9724 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
9727 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
9729 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
9732 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
9734 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
9735 not whatever we're generating now.
9737 * alpha.c (set_frame_related_p, FRP): New.
9738 (alpha_expand_prologue): Mark frame related insns.
9739 (alpha_expand_epilogue): Likewise, but with a null FRP.
9740 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
9741 * alpha.md (exception_receiver): New.
9742 * alpha/crtbegin.asm (.eh_frame): New beginning.
9743 (__do_frame_setup, __do_frame_takedown): New.
9744 * alpha/crtend.asm (.eh_frame): New ending.
9745 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
9746 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
9747 (ASM_FILE_START): Don't emit .file for dwarf2.
9749 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
9750 * rtl.c (reg_note_name): Likewise.
9751 * rtl.texi (REG_NOTES): Likewise.
9752 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
9755 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
9757 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
9758 * i386.md (movsf, movdf, movxf): Validate memory address returned
9759 from force_const_mem. Kill useless REG_EQUAL setting code.
9761 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
9763 * m68k.md (zero_extendsidi2): Fix typo.
9765 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
9767 * configure.in: Removed references to the removed file
9768 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
9769 * arm*-*-netbsd* and ns32k-*-netbsd*.
9770 * config/i386/xm-netbsd.h: Removed unnecessary file.
9771 * config/m68k/xm-netbsd.h: Likewise.
9772 * config/sparc/xm-netbsd.h: Likewise.
9773 * config/mips/xm-netbsd.h: Likewise.
9775 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
9777 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
9778 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
9780 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
9781 for exact section attributions.
9783 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
9785 * i386/crtdll.h (CPP_PREDEFINES): Define.
9787 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
9789 * m68k.md (5200 movqi): Do not allow byte sized memory references
9791 * m68k.c (output_move_qimode): Do not use byte sized operations on
9794 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
9795 explicit rules for building. Similarly for alloca, vfprintf,
9796 choose-temp and mkstemp, getopt, getopt1, and obstack.
9797 (INCLUDES): Add $(srcdir)/../include.
9798 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
9799 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
9801 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
9803 * gcc.c (do_spec_1): [case 'o'] Account for
9804 lang_specific_extra_outfiles.
9805 (main): Correctly clear all slots in outfiles for
9806 lang_specific_extra_outfiles. Set input_file_number before
9807 calling lang_specific_pre_link.
9809 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
9811 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
9813 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9815 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
9817 (sparc_output_deferred_case_vectors): If no work to do, return.
9818 Fix thinko in Sept 1 change.
9820 1998-09-03 SL Baur <steve@altair.xemacs.org>
9822 * Makefile.in: add semicolon in BISON definition for portability.
9824 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
9826 * config/nextstep.c (handle_pragma): Correct name of third
9829 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
9831 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
9832 * config/m32r/m32r.h: Make register 17 be fixed.
9833 * config/m32r/m32r.c: Use SImode for cc operations.
9835 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
9837 * invoke.texi (Warning Options): Add -Wnon-template-friend
9840 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
9842 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
9844 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
9846 * rs6000.md (movsf): Disable explicit secondary-reload-like
9847 functionality if TARGET_POWERPC64.
9848 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
9851 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
9853 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
9854 and term.h from fixinc.wrap.
9856 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9858 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
9859 safe to include both string.h and strings.h together.
9860 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
9861 which headers to search for function declarations. Continue to
9862 prefer string.h over strings.h when both are not acceptable.
9864 * acconfig.h (STRING_WITH_STRINGS): Add stub.
9866 * configure.in: Call GCC_HEADER_STRING.
9868 * system.h: Test STRING_WITH_STRINGS when deciding which headers
9869 to include. Continue to prefer string.h over strings.h when both
9872 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9874 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
9875 not assume top 32-bits of symbolic addresses are zero if
9878 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
9880 * ginclude/va-alpha.h: Protect entire second portion of the
9881 file against double inclusion.
9883 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
9885 Added support for the Boehm's garbage collector.
9886 * configure.in: Handle --enable-objc-gc.
9887 * configure: Rebuilt.
9888 * Makefile.in (CHECK_TARGETS): Add check-objc.
9889 (check-objc): New rule.
9890 * objc/Make-lang.in: Build a different Objective-C library that
9891 runs with the Boehm's collector.
9892 * objc/encoding.c (objc_round_acc_size_for_types): New function.
9893 * objc/encoding.c: Correctly compute the size of compound types in
9894 the presence of bitfields. Skip the variable name of the type if
9895 any. Added support for long long.
9896 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
9897 (_F_GCINVISIBLE): New mask.
9898 * objc/gc.c: New file. Compute the type memory mask associated with
9899 a class based on the runtime information.
9900 * objc/misc.c: Added the hooks that use the Boehm's collector
9901 allocation functions.
9902 * objc/objc-act.c (build_class_template): Generate a new class
9903 member (gc_object_type) to hold the class' type memory mask.
9904 (build_shared_structure_initializer): Initialize the new member to
9906 (encode_complete_bitfield): New function. Generate the new
9908 (encode_field_decl): Generate the new encoding only for the GNU
9910 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
9912 (class_get_gc_object_type): New function to mark a pointer instance
9913 variable as a weak pointer.
9914 * objc/objc-features.texi: New file.
9915 * objc/objc.h (gc_object_type): New class member.
9916 * objc/objects.c (class_create_instance): Create a typed memory
9917 object when compiled with Boehm's collector support.
9918 * objc/sendmsg.c (__objc_init_install_dtable): Call
9919 __objc_send_initialize instead of setting the initialize flag.
9920 (__objc_send_initialize): Call __objc_generate_gc_type_description
9921 to generate the class type memory mask. Rewrite the code that
9922 sends the +initialize so that it is called only once (bug report
9923 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
9924 * testsuite/objc: New testsuite for Objective-C type encoding.
9925 * testsuite/lib/objc-torture.exp: New file.
9926 * testsuite/lib/objc.exp: New file.
9928 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
9930 * jump.c (jump_optimize): In if/then/else transformations, add
9931 another call to modified_between_p for the jump insn.
9933 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
9935 * fix-header.c (symlink): Treat like readlink.
9937 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9939 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
9942 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
9944 * config/nextstep.h: Update HANDLE_PRAGMA macro.
9945 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
9946 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
9948 * config/nextstep.c (handle_pragma): Take three arguments, as per
9949 the new HANDLE_PRAGMA macro specification.
9950 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
9951 per the new HANDLE_PRAGMA macro specification.
9952 * config/i960/i960.c (process_pragma): Take three arguments, as
9953 per the new HANDLE_PRAGMA macro specification.
9955 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
9957 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
9958 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
9959 if unknown pragmas are encountered.
9960 (handle_sysv_pragma): Interpret return code from
9961 handle_pragma_token (). Return success/failure indication rather
9962 than next unprocessed character.
9963 (pragma_getc): New function: retrieves characters from the
9964 input stream. Defined when HANDLE_PRAGMA is enabled.
9965 (pragma_ungetc): New function: replaces characters back into the
9966 input stream. Defined when HANDLE_PRAGMA is enabled.
9968 * c-pragma.c (handle_pragma_token): Return success/failure status
9971 * c-pragma.h: Change prototype of handle_pragma_token().
9973 * varasm.c: (handle_pragma_weak): Only create this function if
9974 HANDLE_PRAGMA_WEAK is defined.
9976 * c-common,c (decl_attributes): If defined call the expression
9977 contained within the INSERT_ATTRIBUTES macro before adding
9978 attributes to a decl.
9980 * tm.texi (HANDLE_PRAGMA): Document the new verion of
9981 HANDLE_PRAGMA, which takes three arguments.
9982 (INSERT_ATTRIBUTES): Document this new macro.
9984 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
9985 new INSERT_ATTRIBUTES macro.
9987 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9989 * config/sparc/sparc.md (movdf): Only generate special RTL for
9990 LABEL_REFs when PIC.
9991 (move_label_di): Remove
9992 (movdi_pic_label_ref, movdi_high_pic_label_ref,
9993 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
9994 references when PIC.
9995 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
9996 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
9997 output an .xword for all 64-bit cases.
9999 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10001 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
10002 alignment, use FUNCTION_BOUNDARY instead.
10003 (sparc_output_deferred_case_vectors): Likewise.
10005 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10007 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
10008 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
10010 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
10012 * alpha/va_list.h: New file.
10013 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
10015 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
10017 * NEWS: Add SCO Openserver and Unixware 7 notes.
10021 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
10023 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
10024 (record_constant_1): Handle RANGE_EXPR.
10026 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
10028 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
10029 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
10030 and NOTE_INSN_RANGE_END specially.
10031 (reemit_notes): Likewise.
10033 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10035 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
10036 (ultrasparc_sched_init): Remove unneeded &.
10038 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10040 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
10041 for m68020-60, to prevent the use of fintrz.
10043 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
10045 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
10047 * Makefile.in: Likewise.
10048 * configure: Regenerated.
10050 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
10052 * configure.in (gxx_include_dir): Changed to
10053 '${prefix}/include/g++'-${libstdcxx_interface}.
10054 * configure: Rebuilt.
10056 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
10058 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
10060 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
10061 *sequences* *below* which scalar moves will be used.
10063 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
10065 * collect2.c (mktemp): Delete unused declaration.
10067 * config/xm-netbsd.h: Remove unnecessary file.
10068 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
10069 file anymore, it is not needed.
10071 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
10073 * convert.c (convert_to_integer): Issue an error on conversions to
10076 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
10078 * Makefile.in: Add lang_tree_files and gencheck.h.
10079 * configure.in: Generate them.
10080 * gencheck.c: Include gencheck.h.
10082 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10084 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
10085 movdi_lo_sum_pic and movdi_high_pic and make visible.
10086 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
10087 emit these when Pmode is not SImode.
10088 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
10090 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
10092 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
10093 .linkonce directive after the first time.
10095 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
10097 * m68k.md (beq0_di): Generate correct (and more efficient) code when
10098 the clobbered operand overlaps with an input.
10099 (bne0_di): Similarly.
10101 * Makefile.in (INSTALL): Remove "--no-header" argument.
10103 * NEWS: Various updates.
10105 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10107 * config/sparc/sparc.c (arith_operand, const64_operand,
10108 const64_high_operand, arith_double_4096_operand): Mark mode as
10110 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
10112 (sparc_emit_set_const64): Remove unused variable i.
10113 (sparc_splitdi_legitimate): Likewise for addr_part.
10114 (ultra_code_from_mask): Likewise for mask.
10115 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
10116 reverse return values so it matches usage and comments.
10117 (ultra_flush_pipeline): Likewise.
10118 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
10119 this_type, and allow loads and stores of differing FP modes as
10120 they do not create a conflict.
10121 (ultra_find_type): Initialize fpmode to SFmode, fix
10122 parenthesization thinkos in large conditional.
10123 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
10124 Init free_slot_mask after ultra_cur_hist is reset, not before.
10125 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
10126 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
10127 use ultra_flush_pipeline instead, then re-init group pointer.
10128 Fix statement with no effect. If no progress made in, and no
10129 instructions scheduled at all, advance to new pipeline cycle else
10130 we get into an endless loop.
10131 (ultrasparc_adjust_cost): Remove previous arg.
10132 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
10134 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
10136 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
10137 code. Use reg_overlap_mentioned_p to detect when source and
10138 destination overlap.
10139 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
10141 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
10143 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
10144 COMPARISON_VAL, into invariant_p.
10146 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10148 * regmove.c (regclass_compatible_p): New function.
10149 (regmove_optimize): Use it.
10151 Use NREGS parameter insted of calling max_reg_num.
10153 (fixup_match_1): Don't use code = MINUS when later tieing with
10154 a hard register is likely.
10156 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10158 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
10159 COMPARISON_VAL was normalized.
10161 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
10163 * loop.c (check_dbra_loop): The loop ending comparison value
10164 must be an invariant or we can not reverse the loop.
10166 * loop.c (scan_loop): Count down from max_reg_num - 1 to
10167 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
10169 (load_mems_and_recount_loop_regs_set): Likewise.
10171 * i386.c (print_operand): Remove obsolete 'c' docs.
10173 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
10175 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
10176 * frame.c (init_object_mutex): New function.
10177 (init_object_mutex_once): Likewise.
10178 (find_fde): Call it.
10179 (__register_frame_info): Likewise.
10180 (__register_frame_info_table): Likewise.
10181 (__deregister_frame_info): Likewise.
10183 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
10185 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
10187 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10189 * loop.c (check_dbra_loop): Enable code for reversal
10190 of some loops without a known constant loop end.
10192 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
10194 * haifa-sched.c (last_clock_var): New.
10195 (schedule_block): Initialize it.
10196 (schedule_insn): Use it to fill insn modes with issue information.
10198 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
10199 Tag trapb and next insn with TImode.
10200 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
10201 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
10202 Invoke alphaev5_align_insns as appropriate.
10203 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
10204 (MD_SCHED_VARIABLE_ISSUE): New.
10205 * alpha.md (attr type): Add multi.
10206 (define_asm_attributes): New.
10207 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
10208 (arg_home): Likewise.
10209 (fnop, unop, realign): New.
10211 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
10213 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
10214 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
10216 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
10217 (rs6000-ibm-aix4.[12]*): Likewise.
10218 * configure: Regnerate.
10220 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
10222 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
10223 already contains the return address.
10225 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
10227 * calls.c (expand_call): Use bitfield instructions to extract/deposit
10228 word sized hunks when loading unaligned args into registers.
10230 * haifa-sched.c (sched_analyze_insn): Only create scheduling
10231 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
10233 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
10235 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10237 * loop.c (check_dbra_loop): Add some code that would allow reversal
10238 of some loops without a known constant loop end if it were enabled.
10240 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
10242 * mips.md (lshrsi3_internal2+2): Fix type-o.
10244 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10246 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
10247 correctly with regards to stdio.h.
10249 * calls.c: Remove stdarg.h/varargs.h.
10250 * cccp.c: Likewise.
10251 * cexp.y: Likewise.
10252 * combine.c: Likewise.
10253 * cpperror.c: Likewise.
10254 * cpplib.c: Likewise.
10255 * cpplib.h: Likewise.
10256 * doprint.c: Likewise.
10257 * emit-rtl.c: Likewise.
10258 * final.c: Likewise.
10259 * fix-header.c: Likewise.
10261 * genattr.c: Likewise.
10262 * genattrtab.c: Likewise.
10263 * gencodes.c: Likewise.
10264 * genconfig.c: Likewise.
10265 * genemit.c: Likewise.
10266 * genextract.c: Likewise.
10267 * genflags.c: Likewise.
10268 * genopinit.c: Likewise.
10269 * genoutput.c: Likewise.
10270 * genpeep.c: Likewise.
10271 * genrecog.c: Likewise.
10272 * mips-tfile.c: Likewise.
10273 * prefix.c: Likewise.
10274 * protoize.c: Likewise.
10275 * regmove.c: Likewise.
10276 * toplev.c: Likewise.
10277 * tree.c: Likewise.
10279 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10281 * config/sparc/sparc.c (sparc_override_options): If not
10282 TARGET_FPU, turn off TARGET_VIS.
10283 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
10284 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
10285 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
10286 (movdi_insn_sp64): Add VIS fzero alternative.
10287 (clear_sf, clear_df): New VIS patterns.
10288 (movsf, movdf expanders): Allow fp_zero_operand flat out when
10290 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
10292 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
10294 * loop.c (n_times_set, n_times_used, may_not_optimize,
10295 reg_single_usage): Convert to varrays. All uses changed.
10296 (insert_loop_mem): Return a value.
10297 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
10298 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
10301 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
10304 * configure.in: Do not set thread_file to "irix" since no such
10305 support exists yet.
10307 * sparc.md (float abs/neg splits): Check reload_completed before
10308 calling alter_subreg.
10310 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10312 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
10314 * config/sparc/sparc.h: Declare it.
10315 * config/sparc/sparc.md (float abs/neg splits): Use it.
10316 (all other splits): Handle SUBREGs properly where necessary.
10317 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
10319 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
10321 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
10322 an insn on the unfilled_slots_list that has no delay slots.
10323 (fill_eager_delay_slots): Similarly.
10325 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
10327 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
10328 as an ordinary operand.
10330 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
10332 * tree.c (valid_machine_attribute): Don't apply attributes to both
10335 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
10337 * reload.c (operands_match_p): Handle rtvecs.
10339 * i386.c (legitimate_pic_address_disp_p): New.
10340 (legitimate_address_p): Use it.
10341 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
10342 Handle constant pool symbols just like statics.
10343 (emit_pic_move): Use Pmode not SImode for clarity.
10344 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
10345 [UNSPEC]: New, handling what we killed above.
10346 [PLUS]: Detect and abort on invalid symbol arithmetic.
10347 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
10349 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
10351 * alias.c: Include output.h.
10352 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
10353 different if we're in a varargs function.
10354 * Makefile.in (alias.o): Depend on output.h
10356 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10358 * sh.h (GIV_SORT_CRITERION): Delete.
10360 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
10362 * regclass.c (regclass): Use xmalloc/free instead of alloca.
10363 * stupid.c (stupid_life_analysis): Ditto.
10364 * reload1.c (reload): Ditto.
10366 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
10368 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
10369 arith_double_4096_operand, arith_double_add_operand): New
10371 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
10372 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
10373 them to transform add/sub 4096 into add/sub -4096.
10375 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10377 * loop.c (scan_loop): Allocate some slop to handle pseudos
10378 generated by move_movables.
10379 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
10382 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
10384 * tree.def (DECL_RESULT): Correct documentation.
10386 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10388 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
10389 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
10390 conflicts will all RELOAD_FOR_OUTPUT reloads.
10392 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
10393 loads the function result, substitute with a USE.
10395 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
10397 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
10398 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
10399 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
10400 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
10401 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
10402 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
10404 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
10405 'o' to 'm' for GPR variant constraints.
10407 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
10409 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
10411 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
10413 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
10414 when the source and destination overlap.
10416 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
10417 clash with global type.
10419 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
10421 * fixinc.irix: Add curses.h handling from fixinc.wrap.
10423 * c-common.c (combine_strings): Also set TREE_READONLY.
10424 Change warn_write_strings to flag_const_strings.
10425 * c-decl.c, c-tree.h: Likewise.
10427 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10429 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
10430 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
10431 sequence, use SET/IOR instead so CSE can see it.
10432 * config/sparc/sparc.md (movhi_const64_special,
10433 movsi_const64_special): New patterns necessitated by that change.
10434 (movhi_high): Remove.
10435 (movhi_lo_sum): Change to match an IOR.
10436 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
10437 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
10438 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
10439 (movdf splits): Allow when not V9 or when not ARCH64 and integer
10440 registers are involved.
10441 (snesi_zero_extend split): Remove reload_completed test.
10442 (unnamed plus and minus zero_extend sidi splits): Add it.
10444 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
10446 * extend.texi: Remove description of extension to explicit
10447 instantiation that is now endorsed by standard C++.
10449 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10451 * config/arc/arc.c (arc_initialize_pic): Remove.
10452 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
10453 nothing on any platform and is invoked by no-one, it does not even
10454 appear in the documentation.
10455 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
10456 * config/sparc/sparc.c (initialize_pic): Likewise.
10457 (find_addr_reg): Remove this as well, no longer referenced after
10460 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
10462 * recog.c (validate_replace_rtx_group): New function.
10463 * recog.h (validate_replace_rtx_group): Declare it.
10464 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
10465 the entire group of substitutions.
10467 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
10469 * loop.c (load_mems): Fix initializers.
10471 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10473 * config/sparc/sparc.md (TFmode splits): Handle destination
10474 registers being referenced in the address correctly.
10476 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
10477 TREE_UNSIGNED, when bitsize of type's mode is larger than
10478 HOST_BITS_PER_WIDE_INT.
10480 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
10482 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
10483 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
10484 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
10486 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
10489 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
10491 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
10492 * h8300.h (TINY_DATA_NAME_P): Likewise.
10493 (STRIP_NAME_ENCODING): Handle '&'.
10495 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
10496 register (it could be accessed via an outer SUBREG).
10497 (REG_OK_FOR_BASE_P): Likewwise.
10498 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
10500 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
10503 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
10505 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10507 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
10508 must be offsettable so the splits can be made.
10510 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
10512 * config/i386/winnt.c: Include system.h, not stdio.h to get
10513 sys/param.h pulled in before rtl.h in case the system defines MIN
10516 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
10518 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
10520 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
10522 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
10524 * cpplib.c (cpp_define): Handle macros with parameters.
10526 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
10528 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
10529 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
10530 and DImode 64-bit. Use llong for minimal-toc SFmode and
10531 SYMBOL_REF / LABEL_REF 64-bit.
10532 (output_function_profiler): Use llong for profiler label and ld to
10533 load 64-bit label address.
10535 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
10537 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
10540 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
10542 * version.c: Bump for snapshot.
10544 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
10546 * version.c: Bump for snapshot.
10548 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
10550 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
10552 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
10554 * tm.texi (Misc): Fix typo "teh".
10556 * tm.texi (PIC): Fix typo "PPIC".
10558 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
10559 effect when -O2 and higher.
10560 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
10562 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
10564 * regclass.c: Changed register set documentation to be consistent
10565 with GCC behaviour.
10567 * final.c (final_start_function) Removed redundant test for
10570 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
10572 * rtl.h (rtx_function): New type.
10573 (for_each_rtx): New function.
10574 * rtlanal.c (for_each_rtx): Define it.
10576 * recog.c (change_t): New type.
10577 (change_objects, change_old_codes, change_locs, change_olds):
10579 (changes): New variable.
10580 (validate_change): Dynamically allocate room for more changes, if
10581 necessary. Uses changes array instead of change_objects, etc.
10582 (apply_change_group): Use changes array instead of
10583 change_objects, etc.
10585 * loop.c (loop_mem_info): New type.
10586 (loop_mems): New variable.
10587 (loop_mems_idx): Likewise.
10588 (looop_mems_allocated): Likewise.
10589 (scan_loop): Remove nregs parameter.
10590 (next_insn_in_loop): New function.
10591 (load_mems_and_recount_loop_regs_set): Likewise.
10592 (load_mems): Likewise.
10593 (insert_loop_mem): Likewise.
10594 (replace_loop_mem): Likewise.
10595 (replace_label): Likewise.
10596 (INSN_IN_RANGE_P): New macro.
10597 (loop_optimize): Don't pass max_reg_num() to scan_loop.
10598 (scan_loop): Remove nregs parameter, compute it after any new
10599 registers are created by load_mems. Use INSN_IN_RANGE_P and
10600 next_insn_in_loop rather than expanding them inline. Call
10601 load_mems to load memory into pseudos, if appropriate.
10602 (prescan_loop): Figure out whether or not there are jumps from the
10603 loop to targets other than the label immediately following the
10604 loop. Call insert_loop_mem to notice all the MEMs used in the
10605 loop, if it could be safe to pull MEMs into REGs for the duration
10607 (strength_reduce): Use next_insn_in_loop. Tweak comments.
10609 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
10611 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
10613 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10615 * config/sparc/sparc.c (finalize_pic): Check for the correct
10616 nonlocal_goto_receiver UNSPEC number.
10617 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
10618 making note of this dependency existing in sparc.c
10619 (negtf2_notv9 split): Give NEG SFmode.
10620 (negsf2): Fix insn output string.
10622 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
10624 * c-common.c (decl_attributes): Issue an error if the argument
10625 to alias is not a string.
10627 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
10629 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
10630 pending memory flush list.
10632 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
10634 (try_combine): Allow combining insns with REG_LIBCALL notes.
10636 * expr.c (emit_block_move): Do not call memcpy as a libcall
10637 instead build up a CALL_EXPR and call it like any other
10639 (clear_storage): Similarly for memset.
10641 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
10644 * Makefile.in (cplus-dem.o): Provide explicit rules for building
10647 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
10648 and REG_LIVE_LENGTH as successful substitutions are made.
10650 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10652 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
10653 statement after end of loop label.
10655 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10657 * config/sparc/sparc.c (ultra_types_avail): New variable.
10658 (ultra_build_types_avail): New function to record mask of insn
10659 types in ready list at this cycle.
10660 (ultrasparc_sched_reorder): Call it.
10661 (ultra_find_type): Use it to quicken the search. Also simplif
10662 dependency check, don't use rtx_equal_p because we know exactly
10663 what we are looking for.
10665 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
10667 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
10668 for architecture v4.
10670 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10672 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
10674 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
10675 movdf_const_intreg and helper splits): New patterns to move float
10676 constants into integer registers.
10677 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
10680 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
10683 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
10685 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
10687 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
10688 a BASE_REGS register is needed as an intermediate when copying
10689 a symbolic value into any register class other than BASE_REGS.
10691 * expr.c (move_by_pieces): No longer static. Remove prototype.
10692 * rtl.h (move_by_pieces): Add extern prototype.
10693 * mips.c (expand_block_move): Handle aligned straight line copy by
10694 calling move_by_pieces.
10696 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
10699 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
10701 * stmt.c (expand_end_loop): Tidy. Allow unconditional
10702 jumps out of the loop to be treated as part of the exit test.
10704 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10705 Jeff Law <law@cygnus.com>
10707 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
10708 * cplus-dem.c: Delete.
10710 * Makefile.in (fold-const.o): depend on $(RTL_H).
10712 * fold-const.c: Include rtl.h to get the prototype for
10713 `set_identifier_local_value'.
10715 * loop.c (express_from_1): Remove unused variable `tmp'.
10716 (combine_givs): cast the first argument of bzero to char *.
10718 * toplev.c (display_help): Remove unused variable `looking_for_start'.
10720 * c-decl.c (init_decl_processing): Remove unneeded &.
10722 * alpha.h (alpha_initialize_trampoline): Provide prototype.
10724 * except.c (set_exception_lang_code, set_exception_version_code):
10725 Change parameter from `short' to `int' to avoid using a gcc
10728 * except.h (set_exception_lang_code, set_exception_version_code):
10729 Likewise for prototypes.
10731 * flow.c (count_reg_references): Remove unused variables `regno'
10734 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
10736 * prefix.c (translate_name): Cast the result of `alloca'.
10738 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
10740 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10742 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
10743 Include "toplev.h".
10744 (valid_dbcc_comparison_p): Mark mode argument as unused.
10745 (symbolic_operand): Likewise.
10746 (legitimize_pic_address): Likewise.
10747 (const_uint32_operand): Likewise.
10748 (const_sint32_operand): Likewise.
10749 * sched.c [!INSN_SCHEDULING]: Define only dummy function
10750 schedule_insns and comment out rest of file.
10752 * m68k.c (output_move_simode_const): Use subl to move a zero into an
10754 (output_move_[hq]imode): Likewise.
10756 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
10758 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
10759 * invoke.texi: Corresponding changes.
10761 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
10763 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
10765 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10767 * config/sparc/sparc.c (ultra_code_from_mask,
10768 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
10769 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
10770 ultrasparc_sched_init, ultrasparc_variable_issue,
10771 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
10772 functions to describe UltraSPARC pipeline exactly to Haifa.
10773 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
10774 as there is nothing the scheduler can do about it. Indicate that
10775 REG_DEP_OUTPUT's collide. Fixup formatting.
10776 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
10777 divide costs on Ultra for DImode.
10778 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
10780 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
10781 ieuN and add call_no_delay_slot to type list.
10782 (cti function unit): New unit for branches on UltraSPARC.
10783 (subx/addx insns): Set type to misc.
10784 (sidi zero/sign extension insns on arch64): Set type to shift.
10785 (sign_extendhidi2_insn): Set type to sload.
10787 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
10789 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
10790 (output_epilog): Use if != 0 for offset.
10791 (rs6000_fatal_bad_address): Prepare for Intl.
10792 * rs6000.h (rs6000_fatal_bad_address): Declare.
10793 * rs6000.md (movsfcc, movdfcc): Use else if.
10794 (elf_high): Use {liu|lis}.
10795 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
10796 (movsi): Use rs6000_fatal_bad_address.
10798 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
10800 * reload.c (find_equiv_reg): Reject equivalences separated
10801 by a volatile instruction.
10803 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10805 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
10807 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
10809 * alpha.md (movsicc): Fix mode mismatch.
10811 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
10813 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
10815 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
10817 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10819 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
10820 write-only modifier from operand 1 constraint.
10822 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10824 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
10825 emitting a XOR of -1 at the end, emit a NOT instead for combine's
10827 (sparc_emit_set_const64): Likewise, also when computing trailing
10828 bits do not negate low_bits and make fast_int an int.
10830 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
10832 * loop.c (add_label_notes): Do not ignore references to labels
10833 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
10834 * gcse.c (add_label_notes): Similarly.
10836 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
10838 * m68k.md (adddi_dilshr32): One of the operands must be a register.
10839 (adddi_dishl32): Similarly.
10841 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
10843 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
10844 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
10845 * cse.c (cse_basic_block): Add parens to shut up warnings.
10847 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10849 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
10850 sparc_emit_set_const64_longway, const64_is_2insns,
10851 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
10852 in 64-bit constant formation.
10853 * config/sparc/sparc.md (snesi_zero_extend split): Generate
10854 rtl for addx not subx.
10855 (define_insn movdi_const64_special): Make available even when
10856 HOST_BITS_PER_WIDE_INT is not 64.
10857 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
10858 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
10859 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
10860 instances of operand 1 inside a QI subreg.
10861 (xordi3_sp64_dbl): Remove '%' constraint for op1.
10862 (one_cmpldi2_sp64): Fix output string.
10863 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
10865 (unnamed arch64 ashift DI): Truncate shift count if greater than
10868 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10870 * expr.c (store_expr): Don't optimize away load-store pair
10871 when either source or destination have a side effect.
10873 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
10875 * genrecog.c (add_to_sequence): Fatal error if the modes of the
10876 operands of SET are incompatible.
10878 * alpha.md: Fix max and min patterns so modes of SET operands match.
10880 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
10882 * configure.in: Avoid [[ by using test and changequote.
10883 * configure: Rebuild.
10885 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10887 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
10889 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
10890 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
10891 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
10892 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
10893 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
10894 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
10895 Fix mismatching modes in SET operands.
10896 (conditional move patterns): Fix formatting.
10897 (unnamed subx arch64 pattern): Remove duplicate insn.
10899 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10901 * config/sparc/sparc.c (const64_operand, const64_high_operand):
10902 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
10903 (input_operand): Fixup test for what we accept for constant
10905 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
10907 (safe_constDI): Remove.
10908 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
10909 gen_safe_XOR64): New functions.
10910 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
10911 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
10913 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
10914 available when HOST_BITS_PER_WIDE_INT is not 64.
10915 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
10916 move before movdi_insn_sp64 pattern.
10917 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
10918 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
10919 symbolic_operand as predicate for second operand.
10920 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
10921 expander): Give set VOIDmode.
10923 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
10925 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
10927 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
10929 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
10931 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
10933 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
10935 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
10937 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
10939 * install.texi: Various SCO OpenServer tweaks.
10941 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
10943 * reload1.c (eliminate_regs_in_insn): Handle another case when
10944 eliminating the frame pointer to the hard frame pointer. Add
10945 missing ep->to_rtx check to one existing case.
10947 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
10949 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
10951 * tree.h: De-conditionalize init_priority code.
10953 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
10954 * collect2.c (NM_FLAGS): Change from -p to -n.
10956 * configure.in: Turn on collect2 for mipstx39-elf.
10957 Handle use_collect2=no properly.
10959 * c-common.c: De-conditionalize init_priority code.
10960 * collect2.c (extract_init_priority, sort_ids): New fns.
10961 (main): Call sort_ids.
10962 Move sequence_number to file scope.
10964 * configure.in: Handle --enable-init-priority.
10965 * c-common.c (attrs): Add A_INIT_PRIORITY.
10966 (init_attributes, decl_attributes): Likewise.
10967 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
10968 * tree.c (get_file_function_name_long): Split out...
10969 (get_file_function_name): ...from here.
10971 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
10973 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
10976 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
10978 * toplev.c (display_help): Add braces to shut up warnings.
10979 * tree.c (simple_cst_equal): Likewise.
10981 * fold-const.c (non_lvalue): Don't deal with null pointer
10983 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10985 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
10986 of any size to a pointer.
10988 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
10990 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
10992 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
10994 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
10995 which will be saved.
10996 * mn10300.md (prologue insn): Only save registers which need saving.
10997 (epilogue insn): Similarly.
10999 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
11002 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
11004 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
11005 VAR_DECL's in gp addressable sections.
11007 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
11009 * sparc.c: Change return <exp> to <exp>; return; in functions
11011 * sparc.md: Add empty semicolon statement after final label in
11014 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11016 * config/sparc/sparc.md (define_insn addx_extend): Rename to
11017 addx_extend_sp64, only allow when TARGET_ARCH64.
11018 (define_insn addx_extend_sp32 and split): Version that works when
11020 (define_insn subx_extend): Likewise.
11021 (define_split adddi3 and subdi3 with zero extension): Fixup and
11022 correct bugs when not TARGET_ARCH64.
11024 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
11026 * except.c (set_exception_lang_code, set_exception_version_code):
11027 Use prototype-style definition if __STDC__, to match declaration
11030 * genemit.c: Change FAIL and DONE macros not to use loops.
11032 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
11034 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
11035 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
11037 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
11039 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
11041 * README.g77: Update from Craig.
11043 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11045 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
11046 type HOST_WIDE_INT.
11047 (safe_constDI sparc_emit_set_const64_quick1,
11048 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11049 analyze_64bit_constant, const64_is_2insns,
11050 create_simple_focus_bits): Fix some bugs when compiled on real
11052 (function_arg_record_value_3, function_arg_record_value_2,
11053 function_arg_record_value): Add fully prototyped forward decls.
11054 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
11055 to cmpsi_insn and use on both 64 and 32 bit targets.
11056 (define_insn cmpsi_insn_sp64): Remove.
11057 (define_expand zero_extendsidi2): Allow for 32-bit target too.
11058 (define_insn zero_extendsidi2_insn): Rename to
11059 zero_extendsidi2_insn_sp64.
11060 (define_insn zero_extendsidi2_insn_sp32): New pattern and
11061 assosciated forced split for it.
11063 * config/sparc/sparc.c (const64_operand, const64_high_operand):
11065 * config/sparc/sparc.h: Declare them.
11066 (PREDICATE_CODES): Add them.
11067 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
11068 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
11070 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
11072 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
11073 in v9 case as the latter makes the Solaris assembler crash.
11075 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11077 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
11078 for TFmode when !v9. We require offsettable memory addresses.
11079 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
11080 DFmode register number conversions.
11081 * config/sparc/sparc.md (define_split DFmode moves): If register
11082 is a SUBREG do alter_subreg on it before using.
11083 (define_expand movtf): Fixup comment about alignment on v9.
11084 (define_split TFmode moves): Don't use gen_{high,low}part, create
11085 explicit SUBREGs instead.
11087 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
11089 * Makefile.in (mbchar.o): Depend on mbchar.c.
11091 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11092 Richard Henderson <rth@cygnus.com>
11094 Rewrite Sparc backend for better code generation and
11095 improved sparc64 support.
11096 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
11098 * config/sparc/sysv4.h: Likewise.
11099 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
11100 move_operand, v8plus_regcmp_op, emit_move_sequence,
11101 singlemove_string, doublemove_string, mem_aligned_8,
11102 output_move_double, output_move_quad, output_fp_move_double,
11103 move_quad_direction, output_fp_move_quad, output_scc_insn):
11105 (small_int_or_double): New predicate.
11106 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
11107 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
11108 old pic_{sethi,lo_sum}_si patterns.
11109 (mem_min_alignment): New generic function to replace
11110 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
11111 available and can test for arbitrary alignments. All callers
11113 (save_regs, restore_regs, build_big_number,
11114 output_function_prologue, output_cbranch, output_return,
11115 sparc_flat_save_restore, sparc_flat_output_function_prologue,
11116 sparc_flat_output_function_epilogue): Prettify
11118 (output_function_epilogue): Likewise and add code to output
11119 deferred case vectors.
11120 (output_v9branch): Likewise, add new arg INSN and use it to tack
11121 on branch prediction settings. All callers changed.
11122 (print_operand): Likewise and output %l44 for LO_SUMs when
11124 (sparc_splitdi_legitimate): New function to make sure DImode
11125 splits can be run properly when !arch64.
11126 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
11127 Reformat example code in comments.
11128 (set_extends): Remove UNSPEC/v8plus_clear_high case.
11129 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
11130 of deferred case vectors we need to output.
11131 (sparc_defer_case_vector): Record a case vector.
11132 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
11133 sparc_output_deferred_case_vectors): New functions to output them.
11134 (sparc_emit_set_const32): New function to form 32-bit constants in
11135 registers when that requires more than one instruction.
11136 (safe_constDI, sparc_emit_set_const64_quick1,
11137 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
11138 analyze_64bit_constant, const64_is_2insns,
11139 create_simple_focus_bits, sparc_emit_set_const64): New functions
11140 which do the same for 64-bit constants when arch64.
11141 (sparc_emit_set_symbolic_const64): New function to emit address
11142 loading for all code models on v9.
11143 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
11144 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
11145 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
11146 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
11147 inaccuracies in comments, add symbolic and text_segment operands
11148 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
11149 GENERAL_REGS in these cases as a temp REG is needed to load these
11150 addresses into a register properly.
11151 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
11153 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
11154 quads are guarenteed to have 16-byte alignment.
11155 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
11156 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
11157 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
11158 deferred case vector implementation.
11159 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
11160 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
11161 Generate "internal label - label" instead of "label - 1b".
11162 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
11163 (PREDICATE_CODES): Remove sparc_operand, move_operand,
11164 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
11166 (doublemove_string, output_block_move, output_fp_move_double,
11167 output_fp_move_quad, output_move_double, output_move_quad,
11168 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
11169 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
11170 (sparc_emit_set_const32, sparc_emit_set_const64,
11171 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
11172 mem_min_alignment, small_int_or_double): Add externs.
11173 * config/sparc/sparc.md: Document the many uses of UNSPEC and
11174 UNSPEC_VOLATILE in this backend.
11175 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
11176 unary to types which execute in it.
11177 (define_function_unit ieu_shift): Rename to ieu0.
11178 (define_function_unit ieu1): New, executes compare, call, and
11179 uncond_branch type insns.
11180 (define_function_units for type fdivs, fdivd, fsqrt): These
11181 execute in the fpu multiply unit not the adder on UltraSparc.
11182 (define_expand cmpdi): Disallow TARGET_V8PLUS.
11183 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
11184 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
11185 allows the arith_double_operand predicate and rHI constraint when
11187 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
11188 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
11189 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
11190 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
11191 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
11192 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
11193 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
11194 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
11195 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
11196 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
11197 sign_extendqihi2_insn, sign_extendqisi2_insn,
11198 sign_extendqidi2_insn, sign_extendhidi2_insn,
11199 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
11200 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
11201 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
11202 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
11203 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
11204 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
11205 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
11206 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
11207 smulsi3_highpart_v8plus, unnamed subreg mult,
11208 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
11209 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
11210 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
11211 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
11212 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
11213 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
11214 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
11215 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
11216 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
11217 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
11218 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
11219 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
11220 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
11221 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
11222 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
11223 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
11224 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
11225 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
11226 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
11227 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
11228 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
11229 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
11230 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
11231 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
11232 call_address_untyped_struct_value_sp32,
11233 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
11234 call_value_symbolic_sp32, call_value_address_sp64,
11235 call_value_symbolic_sp64, branch_sp32, branch_sp64,
11236 flush_register_windows, goto_handler_and_restore,
11237 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
11238 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
11239 return_addsi, return_di, return_adddi, return_sf, all call+jump
11240 peepholes, trap, unnamed trap insns): Prettify output strings.
11241 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
11242 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
11243 Likewise and force + implement splits for integer cases.
11244 (define_insn return_sf_no_fpu): Likewise and allow to match when
11245 no-fpu because of our subreg SFmode splits.
11246 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
11247 zero_extendqidi2_insn, zero_extendhidi2_insn,
11248 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
11249 input_operand for second operand.
11250 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
11251 reg_or_0_operand for operand 2 so new splits can use it.
11252 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
11253 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
11255 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
11256 CONST_DOUBLEs for operand 2.
11257 (define_insn move_label_di): Likewise and label distance
11258 optimization because it no longer works with new deferred case
11259 vector scheme. To be revisited.
11260 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
11261 and allow reg_or_0_operand and J constraint for second operand.
11262 (define_insn jump): Set branch predict taken on V9.
11263 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
11264 new deferred case vector scheme.
11265 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
11266 (define_insn negdi2_sp32): Force + implement splits.
11267 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
11268 one_cmplsi2_not_liveg0 respectively, and create expander of original
11269 names which emit special rtl for TARGET_LIVE_G0.
11270 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
11271 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
11272 gen_compare_reg, FAIL instead.
11273 (define_insn sgtu, sleu): Likewise and check gen_s*() return
11274 values when trying to reverse condition codes, if they FAIL then
11276 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
11277 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
11278 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
11279 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
11280 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
11281 set output string to # to indicate they are mandatory splits.
11282 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
11283 pic_sethi_di, move_pic_label_si): Remove.
11284 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
11285 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
11287 (define_expand movsi_pic_label_ref, define_insn
11288 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
11289 expander and insns to handle PIC label references and deferred
11291 (define_insn get_pc_via_rdpc): Comment out as it is no longer
11293 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
11294 Rewrite to not use emit_move_sequence, make use of new constant
11295 formation code, and new splits for all multi-insn cases.
11296 (define_insn movqi_insn): Remove sethi case, it can never happen.
11297 Use reg_or_zero_operand instead of const0_rtx explicit test,
11298 use input_operand instead of move_operand for source, and use
11299 general_operand now for dest.
11300 (define_insn movhi_insn): Similar but leave sethi case.
11301 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
11302 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
11303 movhi_lo_sum respectively, prettify output string.
11304 (define_insn movsi_zero_liveg0): New pattern to put zero into a
11305 register when needed on TARGET_LIVE_G0.
11306 (define_insn movsi_insn): Use general_operand and input_operand
11307 for dest and src respectively. Simplify applicability test.
11308 Prettify output strings, and add clr alternative for J
11310 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
11311 deprecated std and reg-reg DI moves): Remove and...
11312 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
11313 implementation which uses forced splits for all non-single insn
11315 (define_split DI move cases on !arch64): New splits to handle all
11316 situations of 64-bit double register DImode on 32bit, and
11317 unaligned registers and memory addresses for all subtargets.
11318 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
11320 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
11321 input_operand for dest and src respectively, prettify output
11323 (define_insn movdf_insn, movdf_no_e_insn, store_df,
11324 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
11326 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
11327 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
11328 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
11329 movtf_no_e_insn_sp64) Replace with new
11330 implementation which uses forced splits for all non-single insn
11332 (define_split DF move cases): New splits in similar vein to DI
11334 (define_insn sethi_di_medlow, sethi_di_medium_pic,
11335 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
11336 movdi_sp64_insn): Remove old v9 code model and constant loading
11337 support insns and..
11338 (define_insn pic_lo_sum_di, pic_sethi_di,
11339 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
11340 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
11341 embmedany_sethi, embmedany_losum, embmedany_brsum,
11342 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
11343 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
11344 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
11345 scheme, using unspecs, secondary reloads, and one to one sparc
11346 insn to rtl insn mapping for better scheduling and code gen.
11347 (define_expand reload_indi, reload_outdi): Reload helpers for
11348 MEDANY and EMBMEDANY symbol address loading cases which require a
11349 temporary register.
11350 (define_expand movsicc): Remove v8plus_regcmp cases.
11351 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
11352 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
11353 cmp_diqi_trunc_set): New patterns used by some of the new scc
11355 (define_insn xordi3_sp64_dbl): New pattern used for constant
11356 formation when crossing from 32-bit targets.
11357 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
11359 (define_insn addx, subx): Make visible and prettify.
11360 (define_insn adddi3_insn_sp32): Likewise and force split.
11361 (define_insn addx_extend, subx_extend, unnamed): New patterns for
11362 64bit scc split usage.
11363 (define_insn unnamed plusDI zero_extend, unnamed minusDI
11364 zero_extend, subdi3): Force and implement splits.
11366 * final.c (final_scan_insn): Don't output labels if target
11367 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
11370 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
11371 don't forget to walk inside SEQUENCESs too as these are what the
11372 delay slot scheduler will create.
11374 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
11376 * alpha.md (extxl+1,+2): New patterns to work around
11379 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
11381 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
11382 caused bad assembly code to be generated.
11384 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
11386 * netbsd.h: Fix typo.
11388 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
11390 * config.sub: Fix typo.
11392 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
11394 * invoke.texi (Environment Variables): Typo: Change "ascpects"
11396 (Running Protoize): Typo: Change "ther" into "other".
11398 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
11400 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
11401 * m68k/netbsd.h: Likewise.
11402 * ns32k/netbsd.h: Likewise.
11403 * sparc/netbsd.h: Likewise.
11405 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
11407 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
11408 * ginclude/va-clipper.h (va_list): Likewise.
11410 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
11412 * rs6000.c (rs6000_override_options): If big endian and -Os, use
11413 load/store multiple instructions unless user overrides.
11415 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
11417 * ns32k/netbsd.h: Fix typo.
11419 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
11421 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
11422 labels with .debugsym if no parallel insns.
11424 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
11426 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
11427 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
11429 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
11431 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
11432 (AR_FOR_TARGET): Define.
11434 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
11436 * dyn-string.h: New file.
11437 * dyn-string.c: Likewise.
11438 * Makefile.in (OBJS): Add dyn-string.o.
11439 (dwarf2out.o): Add dyn-string.h dependency.
11440 (dyn-string.o): List dependencies.
11441 * dwarf2out.c: Include dyn-string.h.
11442 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
11443 (addr_const_to_string): Take a dyn_string_t, not a char* as a
11444 prototype. Use dyn_string_append rather than strcat, throughout.
11445 (addr_to_string): Use dyn_string_t.
11447 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
11449 Function entry/exit profiling instrumentation:
11450 * expr.h (profile_function_entry_libfunc,
11451 profile_function_exit_libfunc): Declare new variables.
11452 * optabs.c: Define them here.
11453 (init_optabs): Initialize them.
11454 * tree.h (struct tree_decl): New flag
11455 no_instrument_function_entry_exit.
11456 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
11457 * c-decl.c (duplicate_decls): Merge it.
11458 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
11459 (init_attributes): Use it for "no_instrument_function".
11460 (decl_attributes): Handle it, for functions that have not yet been
11461 compiled. Set decl flag.
11462 * flags.h (flag_instrument_function_entry_exit): Declare new
11464 * toplev.c (flag_instrument_function_entry_exit): Define it here.
11465 (f_options): New option "instrument-functions".
11466 * function.h (struct function): New field instrument_entry_exit.
11467 * function.c (current_function_instrument_entry_exit): New
11469 (push_function_context_to, pop_function_context_from): Save and
11471 (expand_function_start): Set current_ variable, maybe emit return
11472 label and entry profile call.
11473 (expand_function_end): Maybe emit exit profile call.
11475 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
11477 * i386.md (movqi): When optimizing a load of (const_int 1) into a
11478 NON_QI_REG_P, pretend the register is SImode.
11480 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
11482 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
11483 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
11484 manufacturer id for ns32k.
11485 * configure: Regenerated.
11486 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
11487 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
11488 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
11489 * config/m68k/netbsd.h: Same.
11490 * config/ns32k/netbsd.h: Same.
11491 * config/sparc/netbsd.h: Same.
11493 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
11495 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
11496 or UNROLL_COMPLETELY loop that starts with a jump to its
11499 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
11501 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
11502 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
11503 (print_operand, case 'B'): Don't fall through.
11504 (print_operand, case 'S'): Correct mask begin/end computation.
11505 Use HOST_BITS_PER_WIDE_INT.
11506 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
11507 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
11508 * rs6000/aix41.h (CPP_PREDEFINES): Same.
11509 * rs6000/aix43.h (CPP_PREDEFINES): Same.
11511 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
11513 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
11514 constraint from second alternative.
11516 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
11518 * configure.in: Fix --without/--disable cases for local-prefix,
11519 gxx-include-dir and checking.
11521 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11523 * configure.in (enable_haifa): Set by default for sparc64 too.
11524 configure: Rebuilt.
11526 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
11528 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
11529 * i386/winnt.c (associated_type): New fn.
11530 (i386_pe_valid_type_attribute_p): New fn.
11531 (i386_pe_check_vtable_importexport): Remove.
11532 (i386_pe_dllexport_p): Use associated_type.
11533 (i386_pe_dllimport_p): Likewise.
11535 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
11536 * i386.c (i386_valid_type_attribute_p): Also accept
11537 attributes for METHOD_TYPEs.
11539 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
11541 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
11543 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
11545 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
11547 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
11548 them from generating a new base name for each occurence of
11551 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
11553 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
11555 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
11559 * cplus-dem.c (type_kind_t): New type.
11560 (demangle_template_value_parm): Add type_kind_t parameter. Rely
11561 on this paramter, rather than demangling the type again.
11562 (demangle_integral_value): Pass tk_integral.
11563 (demangle_template_: Pass the value returned from do_type.
11564 (do_type): Return a type_kind_t. Pass tk_integral to
11565 demangle_template_value_parm for array bounds.
11566 (demangle_fund_type): Likewise.
11568 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
11570 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
11573 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
11575 * pa.c (move_operand): Accept CONSTANT_P_RTX.
11577 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
11579 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
11581 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
11584 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
11586 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
11587 (DEBUGGER_ARG_OFFSET): Likewise.
11589 * mn10300.md (movsf): Remove last change. Not needed.
11591 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
11593 * c-lex.c (yylex): Fix boundary conditions in character literal and
11594 string literal loops.
11596 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
11598 * longlong.h (count_leading_zeros): Sparclite scan instruction was
11599 being invoked incorrectly.
11601 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
11602 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
11604 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
11605 * configure.in: Added i[34567]86-*-win32
11606 * config.sub: Ditto.
11607 * configure: Rebuilt.
11609 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
11611 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
11612 the frame pointer and compiling PIC code and reload has not completed.
11614 * i386.c (output_to_reg): Add code to emulate non-popping DImode
11617 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
11619 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
11621 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11623 * Makefile.in (install-info): Only try to update the info
11624 directory file if it exists in the first place.
11626 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
11628 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
11630 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
11632 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
11633 CONST_DOUBLE source.
11635 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
11637 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
11638 strings as the insertion of USER_LABEL_PREFIX.
11639 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
11641 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
11644 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
11646 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
11647 already defined type.
11649 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
11651 * expr.c (check_max_integer_computation_mode): Allow conversions
11652 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
11653 (expand_expr): Likewise.
11655 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11657 * expr.c (expand_expr): Expand RETURN_EXPR.
11659 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
11661 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
11663 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
11665 * dwarf2out.c (output_aranges): Call stripattributes
11666 for TEXT_SECTION references.
11667 (output_line_info): Likewise.
11669 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11671 * profile.c (branch_prob): Call allocate_reg_info after outputting
11672 profile rtl in instrument_arcs.
11674 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
11676 * fixinc.irix (math.h): Install wrapper instead of copying.
11678 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11680 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
11681 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
11682 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
11683 lang_flag_0. Added documentation in the flag table.
11685 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
11687 * cccp.c (do_include): Fix vax c style include handling.
11689 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
11691 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
11693 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
11695 * fold-const.c (non_lvalue): Don't deal with null pointer
11697 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
11699 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
11701 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
11702 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
11703 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
11704 (u_short_cint_operand): Same.
11705 (reg_or_cint_operand): Same.
11706 (logical_operand): Same.
11707 (input_operand): Same.
11708 (reg_or_short_operand): Use u_short_cint_operand.
11710 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
11712 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
11713 but keep the insns and splits. Adjust so when the ultimate destination
11714 is memory, use cvtql.
11716 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
11718 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
11720 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
11722 * gcc.c (do_spec): Call "error" not "warning".
11724 * configure.in: Fix minor problems with gas feature detection code.
11725 * configure: Rebuilt.
11727 * gcc.c (do_spec): Issue a warning for '%[]' usage.
11729 * Undo this change.
11730 * gcc.c: Delete %[spec] support.
11731 (do_spec_1, case '('): Likewise.
11732 (do_spec_1, case '['): Call error.
11734 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
11736 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
11737 (CPP_SUBTARGET_SPEC): Default to empty string.
11738 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
11739 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
11740 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
11741 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
11743 * alpha/linux.h (CPP_PREDEFINES): Tidy.
11744 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
11745 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
11746 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
11747 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
11748 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
11749 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
11750 * alpha/vxworks.h: Likewise.
11752 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
11754 * mips.md (reload_outsi): Added missing REGNO call.
11755 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
11757 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
11758 another match_operator and compare the codes.
11760 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
11762 * MIPS multiply pattern fixes:
11763 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11764 Add union classes for HI, LO, or HILO plus general registers.
11765 (GENERATE_MADD): Deleted.
11766 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
11767 Add TARGET_MAD to condition.
11768 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
11769 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
11770 "*d" for accumulator, to give preference to LO initially but not
11773 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
11775 * configure.in (enable_c_mbchar): New configure option.
11776 (extra_cpp_objs): Always available now.
11778 * cexp.y (mbchar.h): #include it.
11779 (yylex): Handle Multibyte characters in character literals.
11781 * cccp.c (mbchar.h): #include it.
11782 (main): Set character set based on LANG environment variable.
11783 (rescan): Handle multibyte characters in comments.
11784 (skip_if_group): See above.
11785 (validate_else): See above.
11786 (skip_to_end_of_comment): See above.
11787 (macarg1): See above.
11788 (discard_comments): See above.
11789 (rescan): Handle multibyte characters in string and character literals.
11790 (collect_expansion): See above.
11791 (skip_quoted_string): See above.
11792 (macroexpand): See above.
11793 (macarg1): See above.
11794 (discard_comments): See above.
11795 (change_newlines): See above.
11797 * c-lex.c (mbchar.h): #include it.
11798 (GET_ENVIRONMENT): New macro.
11799 (init_lex): Set character set based on LANG environment variable.
11800 (yylex): Handle multibyte characters in character literals.
11801 (yylex): Handle multibyte characters in string literals.
11803 * Makefile.in (mbchar.o): New target.
11804 (cccp$(exeext)): @extra_cpp_objs@ is always available.
11805 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
11807 * mbchar.[ch]: New files for multibyte character handling.
11809 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11811 * jump.c (jump_optimize): When simplifying noop moves and
11812 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
11813 the PUSHes to rewrite in second loop as we did in the first.
11815 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11817 * cplus-dem.c (demangle_nested_args): Make function definition
11818 static to match the prototype.
11820 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
11822 * alloca.c: Respect USE_C_ALLOCA.
11823 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
11824 * gengenrtl.c (xmalloc): Likewise.
11826 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
11828 * loop.h (struct induction): Add no_const_addval.
11829 * loop.c (the_movables, reg_address_cost): New variables.
11830 (init_loop): Init reg_address_cost.
11831 (loop_optimize): Call end_alias_analysis.
11832 (scan_loop): Init the_movables.
11833 (record_giv): Init induction->no_const_addval.
11834 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
11835 [REG]: Rearrange loop search test to catch more cases.
11836 (general_induction_var): Return success not benefit; take an extra
11837 argument for that. Change all callers.
11838 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
11839 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
11840 [default]: Search the_movables for additional combinations.
11841 (sge_plus_constant, sge_plus): New functions.
11842 (express_from_1): New function.
11843 (express_from): Always define. Rewrite using express_from_1.
11844 (combine_givs_p): Handle more cases. Ignore address cost.
11845 (cmp_combine_givs_stats): New function.
11846 (combine_givs_used_once, combine_givs_benefit_from): New functions.
11847 (combine_givs): Rewrite to do best-fit combination.
11849 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
11850 (fold): Do a complete (A*C)+(B*C) association check.
11852 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
11854 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
11856 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
11858 * mn10300.c (MODES_TIEABLE_P): Fix typo.
11860 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
11862 * tree.c (valid_machine_attribute): Only create a new type variant if
11863 there is a decl to use it.
11865 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
11867 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
11870 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
11872 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
11875 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
11877 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
11878 Simplify tests for clearing an address register.
11879 (expand_prologue): Corresponding changes.
11881 * mn10300.md (movXX patterns): Make sure the destination is an
11882 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
11883 (logical patterns): Split into expanders + patterns
11884 (zero and sign extension patterns): Similarly.
11885 (shift patterns): Similarly.
11887 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
11889 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
11890 for the sequence, recording base values.
11892 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
11894 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
11896 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
11898 * gcc.c: Remove ANSI-C ism from --help code.
11900 * toplev.c: Support --help with USE_CPPLIB.
11902 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
11904 * configure.in: Rework gas feature code to work with symlink based
11907 * extend.texi: Clarify some issues related to local variables
11908 assigned to explicit registers.
11910 * mn10300.md (mulsi): Turn into expander + pattern.
11912 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
11915 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
11917 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
11919 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
11921 * version.c: Bump again to distinguish mainline tree from the
11924 See ChangeLog.0 for earlier changes.
11927 add-log-time-format: current-time-string