1 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
3 * c-typeck.c (c_expand_start_case): Don't warn for long switch
6 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8 * alias.c: Minor reformatting.
11 * stor-layout.c: Likewise.
12 * fold-const.c: Likewise.
13 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
14 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
16 (size_int_wide): Cache nodes even if garbage collecting.
17 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
18 of SAVE_EXPR has no side effects.
19 * cse.c: Move a comment.
20 * tree.c: Minor reformatting.
21 (int_size_in_bytes): Return -1 if constant overflows.
23 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
27 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
29 * objc/objc-parse.c: Regenerate. This file must be rebuilt
30 after any change to c-parse.in, even if objc-parse.y didn't
33 1999-12-18 David S. Miller <davem@redhat.com>
35 * toplev.c (rest_of_compilation): Restore BLOCK tree
36 reconstruction and branch shortening changes lost in
39 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
41 * config/arm/linux-elf.h: Change all instances of
42 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
43 * config/arm/uclinux-elf.h: Likewise.
45 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
47 * toplev.c (notice, vmessage, v_message_with_file_and_line,
48 v_message_with_decl, file_and_line_for_asm,
49 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
50 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
51 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
52 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
53 pfatal_with_name, fatal_io_error, need_error_newline,
54 last_error_function, last_error_tick, announce_function,
55 default_print_error_function, print_error_function,
56 report_error_function, fnotice, error_with_file_and_line,
57 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
58 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
59 warning_with_decl, warning_for_asm, warning, pedwarn,
60 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
62 (compile_file): Use fnotice instead of notice. Adjust call.
64 * diagnostic.c: New file.
66 * Makefile.in (OBJS): Include diagnostic.o
67 (diagnostic.o): Define dependence.
69 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
71 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
74 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
76 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
78 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
80 * fixtests.c (is_cxx_header): New fn, split out of
82 (else_endif_label): Allow "#endif // comment" in C++ headers,
83 as determined by is_cxx_header.
84 * fixfixes.c (else_endif_label_fix): Update comment.
85 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
87 * genfixes: Correct double thinko in commandline parsing.
88 * hackshell.tpl: Generate correct sh syntax for bypass
91 * inclhack.def (all): Whenever an inserted preprocessor
92 conditional is split over multiple lines, use double
93 backslashes in this file so the fixed header will be readable.
95 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
96 and add bypass entry for correct version of this header.
97 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
98 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
100 (hpux8_bogus_inlines): New fix, split from...
101 (ultrix_atof_param) ... here.
102 (math_expression): Add bypass entry keyed to glibc comment
103 indicating the problem has been dealt with; disable
104 unnecessary sed operations; update commentary.
105 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
106 add select and bypass entries, simplify shell operation.
107 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
109 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
110 ultrix_atof_param): Add select entry.
111 (stdio_va_list, sunos_mather_decl): Add bypass entry.
112 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
113 comments with the fixes they describe.
115 * c-parse.in (string action): Do not warn about ANSI string
116 concatenation in system headers. Affects C parser only.
117 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
119 1999-12-16 Jakub Jelinek <jakub@redhat.com>
121 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
122 compiling libgcc2 the macro depends always on arch cpp defines.
124 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
126 * loop.c (insert_loop_mem): Don't record MEMs from inside
129 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
131 * regclass.c (regclass): Do not use flowgraph when not optimizing.
133 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
134 notes too, create one when replacement failed, attempt to simplify
136 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
139 1999-12-16 Mark Mitchell <mark@codesourcery.com>
141 * crtstuff.c (__dso_handle): Declare.
142 (__cxa_finalize): Likewise.
143 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
146 * invoke.texi: Document -fuse-cxa-atexit.
148 * tree.h (ptr_type_node): Document.
149 (const_ptr_type_node): Likewise.
151 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
153 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
154 (optimize_reg_copy_2): Likewise.
155 (optimize_reg_copy_3): Likewise.
156 (fixup_match_2): Likewise.
157 (regmove_optimize): Likewise.
158 (fixup_match_1): Liekwise.
160 * i386.md (HI to SImode promoting splitters): Rewrite.
161 (pushsf mem peep2): New.
162 (testhi to andhi peep2): Remove.
163 * i386.h (x86_promote_QImode): New.
164 (TARGET_PROMOTE_QImode): New.
165 (PREDICATE_CODES): Add promotable_binary_operator.
166 * i386.c (x86_promote_QImode0: New.
167 (promotable_binary_operator): New.
168 * i386-protos.h (promotable_binary_operator): New.
170 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
172 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
174 1999-12-16 Mark Mitchell <mark@codesourcery.com>
176 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
177 * function.c (insert_block_after_note): Remove.
178 (retrofit_block): Likewise.
179 (identify_blocks): Fix indentation.
180 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
181 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
182 * function.h (insert_block_after_note): Remove prototype.
183 (retrofit_block): Likewise.
184 * integrate.c (expand_inline_function): Don't call
185 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
186 just expand_start_bindings. Use the block_map to remap old
187 NOTE_BLOCKs to new ones.
188 (integrate_decl_tree): Keep track of remapped blocks.
189 * integrate.h (struct inline_remap): Add block_map.
190 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
191 NOTE_BLOCK on the notes.
192 (expand_start_bindings): Rename to ...
193 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
194 (expand_end_bindings): Set NOTE_BLOCK.
195 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
196 reconstruct the BLOCK tree.
197 * tree.h (expand_start_bindings): Macroize. Call ...
198 (expand_start_bindings_and_block): New function.
200 1999-12-16 Jakub Jelinek <jakub@redhat.com>
202 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
205 1999-12-16 David S. Miller <davem@redhat.com>
207 * expr.c (emit_move_insn_1): Only emit clobbers if one of
208 the outputs is a SUBREG.
209 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
212 * config/sparc/sparc.c (epilogue_renumber): Add default case
215 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
217 * toplev.c (rest_of_compilation): Run branch shortening after
220 * regclass.c (loop_depth): Remove
221 (scan_one_insn): Do not handle LOOP_NOTE insns.
222 (regclass): Go through basic blocks and set loop_cost
224 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
226 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
228 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
230 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
231 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
232 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
234 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
236 * loop.c (insert_loop_mem): Ignore memory clobbers.
238 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
241 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
243 * profile.c: Remove redundant #include "output.h".
245 * h8300.md (HImode preinc peephole): Fix typo.
247 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
249 * function.c (retrofit_block): Abort if we don't find a suitable insn.
250 (insert_block_after_note): Abort if we don't have a previous block.
252 * function.h: Adjust.
254 1999-12-15 Mark Mitchell <mark@codesourcery.com>
256 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
257 argument more than once.
259 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
261 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
263 1999-12-15 Jakub Jelinek <jakub@redhat.com>
265 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
267 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
269 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
270 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
271 update stack_alignment_needed.
272 (prepare_function_start): Initialize stack_alignment_needed
273 * function.h (struct function): Add field stack_alignment_needed.
275 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
277 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
278 Handle live_throughout / dead_or_set instead of live_before /
280 (save_call_clobbered_regs): Get register livenessinformation from
281 chain->live_throughout.
282 (add_stored_regs): New function.
283 (insert_restore, insert_save): Add restored / saved registers to
285 * global.c (reg_dies): New parameter chain.
286 (reg_becomes_live): Third parameter is regs_set now.
288 (reg_dies): New parameter chain. Changed all callers.
289 (build_insn_chain): Set live_throughout instead of
290 live_before / live_after.
291 * reload.h (struct insn_chain): Replace members live_before /
292 live_after with live_throughout / dead_or_set.
293 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
294 instead of live_before / live_after.
295 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
296 (order_regs_for_reload, find_reg, finish_spills): Likewise.
297 (choose_reload_regs_init): Likewise.
298 * stupid.c (current_chain, find_clobbered_regs): Delete.
299 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
300 instead of chain->live_before / chain->live_after.
301 (mark_hard_ref): New function.
302 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
304 1999-12-15 David S. Miller <davem@redhat.com>
306 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
308 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
310 * flow.c (calculate_loop_depth): Make global, remove prototype,
311 rewrite to use new loop infrastructure.
312 (find_basic_block): Remove calculate_loop_depth call.
313 * toplev.c (rest_of_compilation): Call find_basic_block.
314 * output.h (calculate_loop_depth): Declare.
316 * flow.c (dump_flow_info): Dump loop_depth.
317 (flow_loops_nodes_find): Increase loop_depth for basic block in the
319 (flow_loops_find): Initialize the loop_depth for each basic block.
321 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
323 * tree.c (decl_function_context): Handle virtual functions.
325 * tlink.c (scan_linker_output): Don't look in demangled name when
326 looking for linker output keywords.
328 * dwarfout.c (output_type): We can defer namespace-scope classes.
330 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
332 * regclass.c (record_reg_classes): Update comment for merging
333 register class preferences in reg->reg copies. Tighten conditions
334 for merging register class preferences in reg->reg copies.
336 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
338 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
340 1999-12-14 Geoff Keating <geoffk@cygnus.com>
342 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
343 (INIT_SECTION_ASM_OP): Delete.
344 (FINI_SECTION_ASM_OP): Delete.
345 (STARTFILE_SPEC): Define to hold just crtbegin.o.
347 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
349 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
350 the abstract origin wasn't emitted.
352 * dwarf2out.c (class_scope_p): New fn.
353 (gen_subprogram_die): Use it.
354 (gen_variable_die): Use it. Tweak logic.
355 (gen_struct_or_union_type_die): Check context_die to determine
356 if we're function-local.
357 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
359 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
361 * loop.c (check_dbra_loop): Can't reverse a biv that has
364 1999-12-14 Nick Clifton <nickc@cygnus.com>
366 * config/arm/arm.c: Add support for -mcpu=arm720 command line
369 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
371 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
372 for givs made from biv increments.
374 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
376 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
377 * alpha.c (override_options): Recognize -mcpu=ev67.
378 * alpha.h (CPP_CPU_EV67_SPEC): New.
379 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
380 (EXTRA_SPECS): Update.
382 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
384 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
385 appropriate for -lang-c89 and -std=*.
386 * cppinit.c (cpp_handle_option): Likewise.
387 (new_pending_define): New, split out from cpp_handle_option.
388 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
389 or enable trigraphs for -ansi/-std=*.
391 * ginclude/stdarg.h (__va_copy): New.
392 (va_copy): Don't define for C89.
394 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
396 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
397 for long long multiply-accumulate.
399 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
401 * regclass.c (scan_one_insn): Set loop_cost to 1 when
404 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
406 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
407 if something changed. Back out that part of yesterday's changes.
409 * loop.c (loop_max_reg): New static variable.
410 (loop_optimize): Initialize it. Eliminate one unnecessary call to
412 (scan_loop): Call reg_scan_update whenever we may have added new
413 registers, and update loop_max_reg.
415 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
417 * regclass.c (record_reg_classes): Do not do the copying preferrencing
418 when source does not die.
420 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
422 1999-12-14 Jakub Jelinek <jakub@redhat.com>
424 * config/sparc/linux64.h (TARGET_LIVE_G0,
425 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
427 * config/sparc/linux.h (TARGET_LIVE_G0,
428 TARGET_BROKEN_SAVERESTORE): Likewise.
429 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
430 TARGET_BROKEN_SAVERESTORE): Likewise.
432 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
433 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
435 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
436 as sparc64 block profiling register.
437 * config/sparc/sparc.c (sparc_override_options): Allow block
439 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
441 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
442 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
443 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
445 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
447 * config/sparc/sparc.h: Likewise.
448 * config/sparc/xm-sysv4-64.h: Likewise.
449 * config/float-sparc.h: Likewise.
450 * glimits.h: Likewise.
451 * longlong.h: Likewise.
453 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
454 (ASM_IDENTIFY_GCC): Remove.
456 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
458 * combine.c (combine_simplify_rtx): Don't make shared rtl.
459 (simplify_logical): Likewise.
461 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
463 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
464 * cppfiles.c (INO_T_EQ): Likewise.
466 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
468 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
469 * i386/mingw32.h (LIB_SPEC): Likewise.
470 (STARTFILE_SPEC): Likewise.
471 * i386/uwin.h (LIB_SPEC): Likewise.
472 (STARTFILE_SPEC): Likewise.
474 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
475 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
477 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
479 * combine.c (combine_simplify_rtx): Fix order of checks for
480 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
482 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
484 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
485 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
487 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
489 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
491 * regclass.c (inv_reg_alloc_order): New array.
492 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
494 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
495 counted_for_groups, counted_for_nongroups. Add fields rld and
497 * reload.c (push_secondary_reload): Don't set nongroup field of
499 (push_reload): Likewise.
500 (find_reloads): Delete code to compute nongroup fields.
501 * reload1.c (reload_insn_firstobj): New static variable.
502 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
504 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
505 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
506 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
508 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
510 (struct hard_reg_n_uses): Deleted.
511 (potential_reload_regs): Deleted.
512 (init_reload): Initialize spilled_pseudos and pseudos_counted.
513 (reload): Don't try to allocate reload registers if we already know
514 we have to make another pass. Call select_reload_regs. Free memory
515 starting with reload_firstobj when starting another pass.
516 Don't allocate spilled_pseudos.
517 (calculate_needs_all_insns): Call copy_reloads for an insn that
518 needs reloads; don't call calculate_needs.
519 (spill_cost): New static array.
520 (used_spill_regs_local): New static variable.
521 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
522 to compute potential_reload_regs.
523 (find_reload_regs): Completely rewritten to use find_reg.
524 (allocate_reload_reg): Don't test counted_for_groups or
525 counted_for_nongroups. Lose NOERROR arg and code to give an error;
527 (choose_reload_regs): Add fallback code that uses the existing
528 register allocation from find_reload_regs.
530 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
532 * flow.c (create_edge_list): Cast xmalloc return value.
534 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
536 * doprnt.c: Remove incorrect comment closure.
538 * cse.c: Fix a few minor whitespace goofs.
540 1999-12-13 Don Bowman <don@pixstream.com>
542 * mips/vxworks.h: Fix problem with comment termination.
543 (EXTRA_SECTIONS): Add in_sbss.
544 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
546 1999-12-12 David S. Miller <davem@redhat.com>
548 * cse.c (struct cse_reg_info): Add hash_next member,
549 reorder rest of struct for better packing on 64-bit
551 (cse_reg_info_tree): Kill.
552 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
553 REGHASH_FN): New custom pow2 hash mechanism.
555 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
556 use a pow2 hash table.
557 (get_cse_reg_info): Rework to use new REGHASH.
558 (new_basic_block): Likewise, use HASH_SIZE, and inline
560 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
561 and inline free_element call.
562 (lookup_as_function, insert, flush_hash_table, invalidate,
563 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
564 invalidate_for_call, use_related_value, find_comparison_args,
565 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
566 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
569 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
571 * cse.c (cse_basic_block): Free qty_table consistently.
573 1999-12-12 David S. Miller <davem@redhat.com>
574 Jakub Jelinek <jakub@redhat.com>
576 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
577 SUBREGs by hand, gen the appropriate hard reg directly.
578 (movtf reg/mem split): Likewise and alter_subreg on destination
580 (movtf mem/reg split): Similarly.
581 (movdf_cc_sp64): Rename from hidden pattern.
582 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
583 (movtf_cc_sp64, following split): New pattern and splitter.
584 (movdf_cc_reg_sp64): Rename from hidden pattern.
585 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
587 (movtf_cc_reg_sp64, following split): New pattern and splitter.
589 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
591 * loop.c (load_mems): Don't hoist written floating point mem
594 1999-12-12 Mark Mitchell <mark@codesourcery.com>
596 * except.h (struct eh_queue): Add `next' pointer.
597 (struct eh_status): Make x_ehqueue a pointer.
598 (push_ehqueue): Declare.
599 (pop_ehqueue): Likewise.
600 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
602 (expand_fixup_region_end): Likewise.
603 (expand_leftover_cleanups): Likewise.
604 (push_ehqueue): Define.
605 (pop_ehqueue): Likewise.
606 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
607 than doing it inline.
608 (expand_start_all_catch): Adjust now that ehqueue is a
610 (mark_eh_queue): Mark all level of the queue.
611 (mark_eh_status): Adjust now that ehqueue is a
613 (init_eh_for_function): Allocate ehqueue.
614 (free_eh_status): Free it.
615 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
616 expansion for a fixup.
618 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
620 * gthr-single.h (__gthread_active_p): Add prototype arguments.
622 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
623 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
624 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
625 function_ptr, getpagesize, __enable_execute_stack,
626 __enable_execute_stack, __clear_insn_cache,
627 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
628 _cleanup, _exit, __default_terminate, __terminate_func,
629 __terminate, __empty, __throw, new_eh_context,
630 eh_context_initialize, eh_context_static, eh_context_specific,
631 get_eh_context, __get_eh_context, __get_eh_info,
632 init_reg_size_table, eh_threads_initialize,
633 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
634 __unwinding_cleanup, throw_helper, __throw, __rethrow,
635 __pure_virtual): Add prototype arguments.
636 (__bb_exit_func): Cast a sizeof to long when comparing against one.
637 Cast a signed value to unsigned long when comparing against one.
638 (new_eh_context): Wrap in _GTHREADS macro.
639 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
641 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
642 (throw_helper): Initialize variables `handler_p' and `pc_p'.
644 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
646 * combine.c (record_promoted_value): Remove unused variable
649 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
651 * global.c (record_conflicts): Likewise for `j'.
653 * genoutput.c (output_insn_data): Don't unnecessarily cast away
656 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
658 * i386-protos.h (output_387_binary_op, output_fix_trunc,
659 output_fp_compare): Constify a char*.
661 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
663 (override_options, ix86_comp_type_attributes, print_operand,
664 output_387_binary_op, output_fix_trunc, output_fp_compare):
666 (ix86_sched_reorder): Mark parameter `clock_var' with
669 * i386.h (DEBUG_PRINT_REG): Constify a char*.
671 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
673 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
674 operand, for use in the Java front-end.
676 1999-12-10 Ben Collins <bcollins@debian.org>
678 * configure.in: Fix typo for "-64" in 64bit as check.
679 * configure: Rebuilt.
681 1999-12-10 Jakub Jelinek <jakub@redhat.com>
683 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
686 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
688 * c-parse.in (string): With -Wtraditional, warn if ANSI string
689 concatenation is utilized.
691 * invoke.texi (-Wtraditional): Document it.
693 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
695 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
696 Cast a ptrdiff_t to long and pass it to printf with %ld.
698 1999-12-10 Geoff Keating <geoffk@cygnus.com>
700 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
701 68881, we have no 68881 registers at all.
702 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
703 value in a 68881 register if it is available.
705 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
707 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
708 for long long multiply-accumulate.
710 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
712 * loop.c (insert_loop_mem): Undo last change.
714 1999-12-10 David S. Miller <davem@redhat.com>
716 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
718 * config/sparc/sparc-protos.h: Add them.
719 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
720 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
721 constraints which use those helpers.
722 (EXTRA_CONSTRAINT): Use this new macro.
723 * md.texi: Update sparc target constraints documentation.
724 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
725 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
726 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
727 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
728 (movsf high/lo_sum split): Rework for new patterns.
729 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
731 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
733 * c-common.c (c_common_nodes_and_builtins):
734 Create __builtin_ptrdiff_t and __builtin_size_t.
736 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
738 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
740 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
742 * regclass.c (globalize_reg): Re-instate test that allows
743 fixed registers to be declared as a variable even after functions
746 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
748 * i386.md (cpu attribute): Add "athlon".
749 (athlon_decode): New attribute.
750 (Athlon scheduling units definitions): New.
751 (fcmp and shld patterns): Set athlon_decode to "vector".
752 * i386.c (athlon_cost): New.
754 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
755 x86_use_sahf): Set for Athlon.
756 (x86_use_fiop): Unset for Athlon.
757 (override_options): Define Athlon alignments and "athlon" name.
758 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
759 * i386.h (TARGET_ATHLON): New.
760 (enum processor_type): Add PROCESSOR_ATHLON.
761 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
763 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
765 1999-12-09 Andreas Jaeger <aj@suse.de>
767 * loop.c (record_biv): Declare parameter as int.
769 * config/i386/i386-protos.h: Declare long_memory_operand.
771 1999-12-09 Mark Mitchell <mark@codesourcery.com>
773 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
774 EXPR_WITH_FILE_LOCATION.
776 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
778 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
781 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
783 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
786 1999-12-09 Jakub Jelinek <jakub@redhat.com>
788 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
789 default on linux64 again.
790 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
791 models for multilibing.
792 * genmultilib: Accept | as alternative separator within a set in
795 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
797 * calls.c (precompute_arguments): Make sure initial_value contains
798 value pseudo which CSE expects.
799 * cse.c (struct set): New entry orig_src.
800 (cse_insn): Set it early on entry, use it for libcall EQUIV note
803 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
805 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
807 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
809 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
811 1999-12-08 Jakub Jelinek <jakub@redhat.com>
813 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
814 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
816 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
819 * longlong.h: Merge in changes from glibc.
820 Also don't clobber %g2 register in 32bit SPARC assembly, so that
821 -mno-app-regs libgcc can be compiled.
822 * libgcc2.c: Add defines so that the updated longlong.h
823 can be used in libgcc2.a. Also, make sure on most architectures
824 (at least on all which have optimized code in longlong.h defined
825 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
827 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
829 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
830 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
831 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
833 * configure: Rebuilt.
835 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
837 * alpha.c (secondary_reload_class): For !BWX, sub-simode
838 outputs require a register.
840 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
842 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
843 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
844 functions like dptoul will be resolved.
845 (libgcc2.a): Make sure that the object files from DPBIT are named
846 differently (prefix `_dp') from those that would be coming from
849 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
851 * configure.in: When target is sparc* and tm_file contains 64,
852 test for 64bit support in assembler. If not supported, remove
853 sparc/t-sol2-64 from target-dependent Makefile fragments.
854 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
855 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
856 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
857 * acconfig.h (AS_SPARC64_FLAG): Added.
858 * configure, config.in: Rebuilt.
859 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
860 support. Use AS_SPARC64_FLAG.
862 1999-12-07 Jakub Jelinek <jakub@redhat.com>
864 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
865 suitable for holding OFmode values so that gcc works with complex
867 (hard_64bit_mode_classes): Likewise.
869 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
870 so that it is actually matched.
871 (sethi_di_medlow): Likewise.
873 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
874 as legitimate constant if -mvis.
875 * config/sparc/sparc.md (movtf): Likewise.
876 (clear_sf): Use const_double_operand.
877 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
879 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
880 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
881 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
882 routines, _Qp_* cannot be handled like that now.
883 (INIT_TARGET_OPTABS): Likewise.
884 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
885 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
886 sparc_emit_float_lib_cmp if ARCH64 and soft float.
887 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
888 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
889 divtf3, sqrttf3): New expanders.
890 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
891 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
892 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
895 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
896 * configure: Rebuilt.
897 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
898 -mcpu is given and we're doing 64bit compiles.
900 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
902 * loop.h (struct induction): Add multi_insn_incr.
903 * loop.c (basic_induction_var): New multi_insn_incr argument.
904 Set it if we search back through previous insns for the biv.
905 (record_biv): New multi_insn_incr argument; fill in struct induction.
906 (strength_reduce): Discard an iv with multiple bivs, any of
907 which require multiple insns to increment.
909 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
911 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
914 1999-12-06 David S. Miller <davem@redhat.com>
916 * combine.c (check_promoted_subreg): Do not conditionalize this upon
917 PROMOTE_FUNCTION_RETURN.
919 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
921 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
922 and handle REG_UNUSED note on insn.
924 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
925 inner_mask instead of mask.
927 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
929 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
930 zero if there was an error.
932 1999-12-06 Jakub Jelinek <jakub@redhat.com>
934 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
937 * longlong.h: Fix clobbers in SPARC asm statements.
939 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
940 valid sethi operations when TARGET_ARCH64.
942 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
943 always use move_by_pieces to avoid infinite recursion.
944 (restore_fixed_argument_area): Likewise.
946 * combine.c (check_promoted_subreg, record_promoted_value): New
948 (combine_instructions): Use them to retain nonzero and sign bit
949 information after SUBREGs are eliminated by optimizations in
950 this pass if PROMOTE_FUNCTION_RETURN.
952 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
953 .register declaration. Don't use variables with __ prefixes.
955 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
957 * fold-const.c (optimize_bit_field_compare): Only use one mode
958 for both RHS and LHS in non-constant case.
960 1999-12-06 Nathan Sidwell <nathan@acm.org>
962 * frame.c (start_fde_sort): Only allocate erratic array, if
963 linear one was allocated. Return allocated flag.
964 (fde_insert): Only insert, if there's a valid array.
965 (fde_end_sort): Split, sort and merge if linear and erratic
966 arrays exist, else just sort linear one.
967 (search_fdes): New function. Linear search through original fde
969 (frame_init): Permit multiple initializations. Cope with
971 (find_fde): Fallback on linear search, if failed to sort array.
972 (__deregister_frame_info): Only free sorted array, if we
975 1999-12-06 Jakub Jelinek <jakub@redhat.com>
977 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
979 1999-12-05 Jakub Jelinek <jakub@redhat.com>
981 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
983 1999-12-05 Mark Mitchell <mark@codesourcery.com>
985 * tree.h (special_function_p): Declare.
986 * calls.c (special_function_p): Make it global. Don't take `name'
987 as a parameter. Fix typo in 1999-11-28 change.
988 (expand_cal): Adjust.
990 1999-12-04 Mark Mitchell <mark@codesourcery.com>
992 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
993 * tree.h (EXPR_WFL_FILENAME): Define in terms of
994 EXPR_WFL_FILENAME_NODE.
995 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
997 * print-tree.c (print_note): Print TREE_PRIVATE and
1000 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
1001 the original die cannot be found.
1003 * varray.h (varray_head_tag): Add elements_used.
1004 (VARRAY_PUSH): New macro.
1005 (VARRAY_POP): Likewise.
1006 (VARRAY_TOP): Likewise.
1007 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
1009 * varray.c (varray_init): Initialize elements_used.
1010 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
1011 (INTEGRATE_H): New variable.
1012 (integrate.o): Depend on INTEGRATE_H.
1013 (unroll.o): Likewise.
1015 * function.h (insert_block_after_note): Declare.
1016 * function.c (insert_block_after_note): Split out from ...
1017 (retrofit_block): ... here.
1019 * stmt.c (expand_fixup): Fix typo in comment.
1021 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1023 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
1024 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
1025 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
1026 (regmove_optimize, fixup_match_1): Likewise.
1028 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1030 * flow.c (flow_loops_dump): Add missing argument when calling
1033 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
1034 Greg McGary <gkm@gnu.org>
1036 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
1037 (init_attributes): Add A_NO_LIMIT_STACK.
1038 (decl_attributes): Handle A_NO_LIMIT_STACK.
1039 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
1040 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
1041 Handle stack bounds checking.
1042 * flags.h (flag_stack_check): Use the word 'probe' rather than
1043 'check', because the flag doesn't actually cause any checking to
1045 * function.c (expand_function_start): Set
1046 current_function_limit_stack.
1047 * function.h (struct function): Add limit_stack.
1048 (current_function_limit_stack): Define.
1049 * invoke.texi (Code Gen Options): Document new options.
1050 * rtl.h: Declare stack_limit_rtx.
1051 * toplev.c (stack_limit_rtx): New variable.
1052 (decode_f_option): Handle new options -fstack-limit-register=REG,
1053 -fstack-limit-symbol=IDENT, -fno-stack-limit.
1054 (main): Add stack_limit_rtx as GC root.
1055 * tree.h (DECL_NO_LIMIT_STACK): New macro.
1056 (struct tree_decl): New member no_limit_stack.
1058 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
1060 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
1061 (conditional_trap+1): Get new mnemonic correct.
1062 (conditional_trap+2): New pattern for DImode traps.
1064 * config/m68k/m68k.c (output_function_prologue): Handle
1066 * config/m68k/m68k.md (trap): New insn.
1067 (conditional_trap): New insn.
1068 * md.texi (Standard Names): Document `trap' and
1070 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
1071 so a cc0 setter doesn't get emitted at some random place in the
1074 * config/i960/i960.md (trap): New insn.
1075 (conditional_trap): New expander.
1076 (conditional_trap+1, conditional_trap+2): New insns for signed
1078 * config/i960/i960.c (i960_function_prologue): Use
1079 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
1081 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
1082 Geoffrey Keating <geoffk@cygnus.com>
1084 * flags.h (warn_padded, warn_packed): Add global var decls.
1085 * toplev.c (warn_padded, warn_packed): Add global var defns.
1086 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
1087 * stor-layout.c (layout_record): Add local variable `type'
1088 to hold often-used TREE_TYPE (field). Add local variable
1089 `unpacked_align' to hold alignment that would be in force
1090 if no `packed' attribute were present. Warn if `packed' attribute
1091 is unnecessary, or even harmful. Warn when gcc inserts padding
1092 to satisfy alignment requirements of members. Use NULL_TREE
1093 when checking whether var_size is set.
1094 * invoke.texi: Document new flags.
1096 1999-12-03 Nathan Sidwell <nathan@acm.org>
1098 * frame.c (fde_split): Reimplement to avoid variable sized array.
1100 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1102 * combine.c (try_combine): Before fixing up LOG_LINKS for the
1103 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
1105 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
1107 * invoke.texi: Document the mips option -mno-crt0
1109 1999-12-02 Mike Karr <mkarr@mathworks.com>
1111 * cccp.c (argdata): Added free_ptr member.
1112 (macroexpand): Initialize free_ptr of each argument. When an
1113 argument's buffers are freed, if the argument's free_ptr corresponds
1114 to a buffer on the input stack, then return the free_ptr to that stack
1115 frame, otherwise, free it.
1116 (macarg): If an argument begins and ends on the same input stack level,
1117 then transfer the free_ptr of that buffer to the argument in case
1118 the stack is popped during the processing of a subsequent argument.
1120 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
1122 * loop.c (note_reg_stored): New function.
1123 (struct note_reg_stored_arg): New structure.
1124 (try_copy_prop): Change to be more conservative; only replace within
1125 one extended basic block and stop replacing if a store to the
1126 replacement reg is seen.
1128 1999-12-02 Nick Clifton <nickc@cygnus.com>
1130 * config/fp-bit.c: Initialise all fields of the NAN
1133 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
1136 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
1138 * i386.md (extend?f?f2): Force the input into a register, not
1141 1999-12-01 Jakub Jelinek <jakub@redhat.com>
1143 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
1145 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
1146 alternative because setting up 64bit constant is usually costly,
1147 especially when reload is in progress or completed.
1148 (movdf_const_intreg_sp64): Likewise.
1149 (movdf_const_intreg split): Fix building up constants when
1150 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
1152 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
1154 * combine.c (if_then_else_cond): Use const_true_rtx instead of
1155 const1_rtx for return values in EQ/NE comparison against (const_int 0)
1158 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
1159 (asm_file_start): Emit .am33 into assembly file when compiling for
1161 (print_operand_address): Handle POST_INC addresses.
1162 (can_use_return_insn, initial_offset): Check AM33 registers too.
1163 (expand_prologue): Check & save AM33 registers too.
1164 (expand_epilogue): Similarly.
1165 (secondary_reload_class): Handle AM33 specific secondary reloads.
1166 (output_tst): Emit efficient code for the AM33 too.
1167 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
1168 (TARGET_SWITCHES): Add -mam33 switch.
1169 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
1170 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
1171 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
1172 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
1173 (enum reg_class, REG_CLASS_NAMES): Likewise.
1174 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
1175 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
1176 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
1177 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
1178 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
1179 (HAVE_POST_INCREMENT): Define.
1180 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
1181 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
1182 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
1183 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
1184 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
1185 (zero_extend to SI from QI/HI): Likewise.
1186 (sign_extend to SI from QI/HI): Likewise.
1187 (mulsidi3, umulsidi3): New patterns for the AM33.
1188 (tstsi with zero extension from QI/HI): Add AM33 variants.
1189 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
1190 (return_internal_regs, store_movm): Handle new AM33 registers.
1191 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
1192 (LIBGCC, INSTALL_LIBGCC): Likewise.
1193 * invoke.texi: Document new flags.
1195 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1197 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
1198 (addsi3_carry): Likewise.
1199 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
1200 (sbbsi3_carry): Likewise.
1201 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
1203 (test?i_1): Ensure that only one operand is memory.
1204 (conditional move patterns): likewise.
1205 (shift and rotate patterns): Rewrite to expander, add
1206 "binary_operator_ok" to the condition.
1208 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
1209 * i386.h (procesor_costs): Add movzbl_load field.
1210 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
1211 non-Q registers, accept DImode registers anywhere.
1213 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
1214 * i386.c (*_cost): Set value for movxbl_load field.
1216 * (addsi): New add to lea splitter.
1218 (lea to add/shift peep2): New.
1220 1999-12-01 Mark Salter <msalter@cygnus.com>
1222 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
1223 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
1224 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
1226 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1228 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
1229 * i386.md (movsi_xor): New.
1231 (movsi_1, movhi_1, movqi_1): Remove.
1232 (movsi_2): Rename to movsi_1.
1233 (movhi_2): Rename to movhi_1.
1234 (movqi_2): Rename to movqi_1.
1235 (movdi_1): Remove; remove splitter.
1236 (movdi_2): Rename to movdi_1.
1237 (divmodsi4 splitter): Do not emit clobbers for move patterns.
1238 (long move peep2): Do not create QI or HI mode mov0s
1239 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
1241 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
1244 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
1245 (abs?f2_if): Likewise.
1247 1999-11-30 Alex Samuel <samuel@codesourcery.com>
1249 * ggc.h (ggc_test_and_set_mark): New macro.
1250 (ggc_mark_rtx): Use ggc_test_and_set_mark.
1251 (ggc_mark_tree): Likewise.
1252 (ggc_mark_rtvec): Likewise.
1253 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
1255 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
1257 * dwarf2out.c (scope_die_for): Only handle types. Only search for
1259 (decl_scope_table): Just an array of trees now.
1260 (push_decl_scope): Simplify.
1261 (dwarf2out_init): Adjust.
1262 (local_scope_p): New fn.
1263 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
1264 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
1265 (gen_typedef_die): Likewise.
1266 (gen_lexical_block_die): Don't call push/pop_decl_scope.
1267 (gen_inlined_subroutine_die): Likewise.
1268 (gen_abstract_function): Set current_function_decl temporarily.
1269 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
1270 Handle block extern declarations. Don't call push/pop_decl_scope.
1271 (gen_decl_die): Fix logic for block externs.
1273 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1275 * calls.c (special_function_p): Remove `realloc' and add `strdup'
1276 to the list of functions which have attribute malloc by default.
1278 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1280 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
1281 integer constant does not match the traditional type, limit the
1282 warnings to cases where the base of the type is ten.
1284 * invoke.texi (-Wtraditional): Document it.
1286 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1288 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
1289 * rs6000.md: Only access a CONST_INT with INTVAL
1291 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
1293 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
1294 (compute_nearerout): Likewise.
1295 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
1296 size_t to unsigned long for formatting.
1298 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1300 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
1301 Allow the user to override call-used/fixed state of %g2-5
1302 registers from the command line (with the exception of %g4 for
1304 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
1305 there is a higher chance of having a leaf function.
1306 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
1307 for ARCH64 which has %ccr register.
1308 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
1310 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
1311 insn accept into delay slot any insn which does not use %[ol]
1312 registers. Accept some LO_SUM and shift left by 1 for the normal
1314 (output_function_epilogue): Likewise.
1315 (epilogue_renumber): Added argument which inhibits any renumbering
1316 and just tests if the rtx does not use any %[ol] registers.
1317 (output_return): Reflect above change.
1319 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1321 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
1322 aggregate passing for sizes <= 16 bytes.
1324 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
1326 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
1327 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
1328 * reload.c (find_dummy_reload): Likewise.
1329 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
1330 * reload1.c (reload_as_needed): Likewise.
1331 * stupid.c (stupid_find_reg): Likewise.
1332 * tm.texi (Obsolete Register Macros): Delete section.
1333 * gmicro.h: Remove all traces of the two macros.
1338 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
1340 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
1341 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
1342 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
1343 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
1344 units for the sparclite86x chip.
1345 (flush): Revert October 14th change; add SImode specifically.
1346 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
1347 * invoke.texi: Document it.
1349 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
1351 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
1352 psimode_truncation_operand.
1354 * config/mn10200/mn10200.c (psimode_truncation_operand): New
1355 function. Return true if the operand is either a MEM valid
1356 for a PSImode address or not a MEM at all.
1358 * config/mn10200/mn10200.md (truncsipsi2): Use
1359 psimode_truncation_operand.
1361 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1363 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
1364 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
1365 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
1366 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
1367 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
1368 (flow_loop_level_compute, low_loops_level_compute): Likewise.
1369 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
1370 * basic-block.h: Protect from multiple inclusion.
1371 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
1372 (struct loops, struct loop): Define structures.
1373 * sbitmap.c (sbitmap_a_subset_b_p): New function.
1374 * sbitmap.h: Protect from multiple inclusion.
1375 (sbitmap_a_subset_b_p): Add prototype.
1376 * Makefile.in (LOOP_H): New macro.
1377 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
1379 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
1381 * cppinit.c (CAT): The argument list of this macro may not contain
1384 1999-11-29 David S. Miller <davem@redhat.com>
1386 Move quantity tables and register equivalence chains into
1387 per-qty and per-register structure arrays respectively.
1388 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
1389 qty_const_insn, qty_comparison_code, qty_comparison_const,
1390 qty_comparison_qty): Delete, replace with...
1391 (qty_table): this structure table.
1392 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
1393 (reg_eqv_table): this structure table.
1394 (make_new_qty): Add argument MODE. Caller updated.
1395 Update to use qty_table and reg_eqv_table.
1396 (make_regs_eqv, delete_reg_equiv, insert_regs,
1397 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
1398 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
1399 cse_process_notes, cse_main, cse_basic_block): Likewise.
1401 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1403 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
1404 operation if C is negative.
1405 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
1406 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
1407 law for some divisions if constant is negative and change other
1408 divisions to the opposite rounding.
1410 * expr.c (store_constructor_field): If bit position is not multiple
1411 of alignment of TARGET's mode, use BLKmode.
1413 * expr.c (expand_expr_unaligned): Add more code from full case
1414 that is needed when OP0 is in a register.
1416 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1418 * dwarfout.c (field_byte_offset): Size can be zero if there was
1421 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1423 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
1424 (associate_trees): Delete unused var TEM.
1425 (extract_muldiv): Delete unused var CANCEL_P.
1427 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
1428 (target_isinf, target_isnan, target_negative): Add return types to
1429 function definitions.
1431 1999-11-29 Bruce Korb <autogen@linuxbox.com>
1433 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
1434 * fixinc/hackshell.tpl: ditto
1435 * fixinc/fixtests.c(double_slash_test): more C++ header testing
1436 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
1438 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1440 * reload.c (push_reload): When looking for a register to put into
1441 reg_rtx, make sure all hard regs in a multi-reg register are in the
1442 right class and nonfixed.
1444 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
1445 pending_read_insns, pending_write_insns, pending_read_mems,
1446 pending_write_mems, pending_list_length, last_pending_memory_flush,
1447 last_function_call, sched_before_next_call): Move static variables
1449 (bb_ prefixed versions): Replace with single array bb_deps.
1450 (struct deps): New structure.
1451 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
1452 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
1453 argument of type "struct deps *"; use that instead of global
1454 variables. All callers changed.
1455 (init_rgn_data_dependencies): Delete function.
1456 (init_rtx_vector): Delete function.
1457 (init_deps): New function.
1459 (free_pending_lists): Simplify, we always use the bb_deps array even
1460 if only one basic block.
1461 (compute_block_backward_dependences): Likewise.
1462 (schedule_region): Likewise.
1464 (propagate_deps): New function, broken out of
1465 compute_block_backward_dependences.
1466 (compute_block_backward_dependences): Use it.
1468 * alpha.md: Delete useless patterns that tried to work around
1469 register elimination problems.
1471 * unroll.c (loop_iterations): Don't abort if iteration variable
1474 From Joern Rennecke:
1475 * reload1.c (reloads_conflict): Reverse test comparing operand
1476 numbers when testing for conflict between output/outaddr reloads.
1478 1999-11-29 David S. Miller <davem@redhat.com>
1480 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
1482 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
1484 1999-11-28 Robert Lipe <robertl@cygnus.com>
1486 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
1487 table from .fini into .dtor.
1489 1999-11-28 Anthony Green <green@cygnus.com>
1491 * tree.h (struct tree_decl): Add malloc_flag.
1492 (DECL_IS_MALLOC): Define.
1493 * c-common.c (attrs): Add A_MALLOC attribute.
1494 (init_attributes): Add this attribute to the table.
1495 (decl_attributes): Handle malloc attribute.
1496 * calls.c (special_function_p): Check for the malloc attribute.
1497 * extend.texi (Function Attributes): Document malloc attribute.
1499 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
1501 * pa.md (reload shift-add patterns): Remove.
1503 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1505 * reorg.c (dbr_schedule) Print more statistics. Corrected
1506 problem when printing info when 3 delay slots are filled.
1508 1999-11-28 Jakub Jelinek <jakub@redhat.com>
1510 * combine.c (setup_incoming_promotions): Pass an outgoing
1511 regno to FUNCTION_ARG_REGNO_P which it expects.
1513 1999-11-28 Andreas Jaeger <aj@suse.de>
1515 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
1517 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
1519 * cccp.c (do_include): Avoid initialization of automatic variable.
1521 * integrate.c (mark_stores): Function definition made void, to match
1522 previous declaration.
1523 * regclass.c (dump_regclass): Ditto.
1524 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
1526 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1528 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
1529 known to be multiple of divisor.
1531 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
1533 * combine.c (try_combine): Add code to try to merge a set of a
1534 two-word pseudo to a constant with a setting of one of those words
1537 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
1538 (split_tree): Completely rework to make more general.
1539 (make_range, fold): Call negate_expr.
1540 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
1541 (fold, associate): Call new split_tree and associate_trees.
1542 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
1544 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
1546 * loop.c (try_copy_prop): Avoid GNU C extension.
1548 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1550 * except.c (init_eh_for_function): Still zero eh_return_context,
1551 eh_return_stack_adjust, and eh_return_handler.
1553 * except.h (eh_status): Adjust documentation for x_protect_list.
1554 (begin_protect_partials): New function.
1555 * except.c (enqueue_eh_entry): Fix formatting.
1556 (get_first_handler): Add consistency check.
1557 (add_partial_entry): Adjust usage of protect_list.
1558 (emit_cleanup_handler): Save and restore ehqueue.
1559 (expand_start_all_catch): Add comment.
1560 (begin_protect_partials): New function.
1561 (end_protect_partials): Adjust usage of protect_list.
1562 (init_eh_for_function): Use xcalloc.
1564 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1566 * c-common.c (check_format_info): Don't call a variadic function
1567 with a non-literal format string.
1569 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
1571 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
1572 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
1575 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
1578 * collect2.c (collect_wait): Likewise.
1580 * dbxout.c (dbxout_type): Likewise.
1582 * gcc.c (do_spec_1): Likewise.
1584 * genemit.c (gen_insn, gen_expand): Likewise.
1586 * genrecog.c (write_switch, write_subroutine): Likewise.
1588 * mips-tfile.c (catch_signal, botch): Likewise.
1590 * print-rtl.c (print_rtx): Likewise.
1592 * toplev.c (default_print_error_function, report_error_function,
1593 _fatal_insn): Likewise.
1595 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1597 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
1599 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1601 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
1602 operations when needed.
1603 * i386.md (fop_?f_comm): New.
1604 (fop_?f_1): Do not accept commutative operands.
1606 1999-11-25 Andreas Jaeger <aj@suse.de>
1608 * config/mips/mips.md (casesi_internal): Add missing brace.
1610 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
1612 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
1613 (splice_child_die): Handle moving a child DIE from the declaration
1614 DIE of a class to its specification.
1615 (gen_struct_or_union_type_die): Use 'complete' consistently.
1616 (gen_decl_die): Generate the virtual context DIE first.
1617 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
1619 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
1621 * config/mips/mips.md (call_value_multiple_interanal1): New.
1623 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
1625 * dwarf2out.c (free_AT, free_die): New fns.
1626 (remove_children): Call them.
1627 (output_line_info): Disable removal of duplicate notes.
1629 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
1630 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
1631 means pretend the type isn't defined.
1632 Don't defer emitting types.
1633 (gen_type_die_for_member): New fn.
1634 (gen_decl_die): Call it.
1635 (splice_child_die): New fn.
1636 (gen_member_die): Call it rather than generate duplicate dies.
1638 Defer emitting information for the abstract instance of an inline
1639 until we either inline it or emit an out-of-line copy.
1640 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
1641 from output_inline_function if DECL_ABSTRACT is also set.
1642 (block_ultimate_origin): Likewise.
1643 (gen_abstract_function): New fn.
1644 (gen_decl_die, gen_inlined_subroutine_die): Call it.
1645 (gen_subprogram_die): An abstract instance is not a declaration
1646 just because it doesn't match current_function_decl. Don't abort
1647 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
1648 has an abstract origin.
1649 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
1650 abstract instance here.
1652 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
1654 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
1655 where we need to reload fpul from a system register.
1657 1999-11-24 Andreas Jaeger <aj@suse.de>
1659 * config/mips/linux.h (CPP_PREDEFINES): Added.
1660 (LINK_SPEC): Remove -Y since this is only needed on sparc.
1662 1999-11-24 Andreas Jaeger <aj@suse.de>
1664 * config/mips/linux.h (TARGET_VERSION): Added.
1665 (HANDLE_SYSV_PRAGMA): Added.
1666 (DEFAULT_VTABLE_THUNKS): Added.
1668 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1670 * local-alloc.c (qty): New structure and static variable.
1671 (qty_phys_reg): Remove, all references changed to qty.
1672 (qty_n_refs): Likewise.
1673 (qty_min_class): Likewise.
1674 (qty_birth): Likewise.
1675 (qty_death): Likewise.
1676 (qty_size): Likewise.
1677 (qty_mode): Likewise.
1678 (qty_n_calls_crossed): Likewise.
1679 (qty_alternate_class): Likewise.
1680 (qty_changes_size): Likewise.
1681 (qty_first_reg): Likewise.
1682 (alloc_qty): Rename variable QTY to QTYNO.
1683 (finf_free_reg): Likewise.
1684 (local_alloc): Allocate qty, do not allocate the removed variables.
1686 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
1688 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
1689 when -membedded-pic is passed.
1691 * config/mips/mips.md (casesi): Handle 64-bit case too.
1692 (casesi_internal_di): New insn.
1694 * config/mips/mips.c (embedded_pic_offset): Always make the
1695 embedded-pic subtractions relative to the name of the current
1696 function by use of the magic string "..CURRENT_FUNCTION".
1697 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
1699 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
1701 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
1702 of (const_int 0), when what we really care about is
1703 whether it's a zero constant anyway.
1704 (div_trap_mips16): Likewise.
1706 1999-11-23 Mark Mitchell <mark@codesourcery.com>
1708 * loop.c (loop_optimize): Always find_loop_tree_blocks and
1709 unroll_block_trees when generating debuggable code.
1711 * tree.h (unsave_expr_1): New function.
1712 (lang_unsave): New variable.
1713 (get_callee_fndecl): New function.
1714 * tree.c (unsave_expr_now_r): New function.
1715 (lang_unsave): Define.
1716 (unsave_expr_1): Likewise.
1717 (unsave_expr_now_r): Split out from unsave_expr_now.
1718 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
1719 call unsave_expr_now_r.
1720 (get_callee_fndecl): Define.
1722 * Makefile.in (gencheck): Don't depend on lang_tree_files.
1723 (gencheck.o): Do depend on lang_tree_files.
1725 * integrate.h (copy_decl_for_inlining): New declaration.
1726 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
1727 (copy_decl_for_inlining): New function.
1728 (integrate_parm_decls): Use it.
1729 (integrate_decl_tree): Likewise.
1731 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
1733 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
1734 the second two from the first.
1735 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
1736 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
1737 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1739 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
1740 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1743 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
1745 * pa.md (call_internal_symref, call_value_internal_symref): No mode
1746 needed on the address operand.
1747 * pa.c (call_operand_address): Check for the correct mode.
1749 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
1751 * loop.c: Include "basic-block.h".
1752 (try_copy_prop, replace_loop_reg): New functions.
1753 (load_mems): Detect registers that just hold copies of the hoisted
1754 mem, and call try_copy_prop to eliminate them.
1755 * Makefile.in (loop.o): Update dependencies.
1757 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
1759 * Makefile.in (gencheck.o): Depend on gencheck.h.
1760 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
1761 (insn-peep.o): Depend on except.h and function.h.
1762 (insn-attrtab.o): Depend on RECOG_H.
1763 (insn-output.o): Depend on toplev.h and flags.h.
1764 (gengenrtl.o): Depend on real.h.
1765 (gen-protos.o): Depend on cpplib.h and cpphash.h.
1766 Unify all dependencies to be on RECOG_H rather than recog.h.
1768 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1770 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
1771 * configure.in: Try building a bi-arch 32/64-bit compiler on
1772 sparc-*-solaris2.7 and higher.
1773 * configure: Rebuild.
1775 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
1777 * config/freebsd.h: New, FreeBSD architecture independent file.
1778 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
1780 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
1781 directly by i386/freebsd.h.
1782 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
1783 independent configuration file.
1784 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
1785 directly by i386/freebsd.h.
1786 * configure: Rebuilt.
1788 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
1789 which is in the user's namespace.
1790 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
1791 `i386' which is not in our namespace.
1793 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
1795 * invoke.texi (ARM Options): Add in -mno-alignment-traps
1797 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1799 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
1800 (add_dwarf_attr, add_child_die): Just push onto the front.
1801 (reverse_die_lists): New fn.
1802 (add_sibling_attributes): Use it.
1803 (push_decl_scope): Reorganize.
1804 (add_name_and_src_coords_attributes): Don't set file and line for
1806 (gen_subprogram_die): An artificial function doesn't need to match
1808 (gen_compile_unit_die): Return the generated die. Only add
1809 AT_comp_dir if the filename is relative.
1810 (remove_AT): Simplify loop. Also free string values.
1811 (output_die): A DIE ref can't be null.
1812 (output_value_format, value_format): Take a dw_attr_ref.
1813 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
1814 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1815 AT_addr, AT_lbl): New fns.
1816 (various): Use them.
1817 (various): Constify.
1819 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1821 * combine.c (combine_simplify_rtx): When handling a SUBREG,
1822 take SUBREG_WORD into account.
1823 (if_then_else_cond): Likewise.
1825 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1827 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
1828 clause from BSD license, pursuant with
1830 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
1832 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
1834 * loop.c (load_mems): Reformat slightly.
1835 * basic-block.h (regset_head): New typedef.
1836 (INIT_REG_SET): New macro.
1838 1999-11-22 Bruce Korb <autogen@linuxbox.com
1840 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
1841 (mips-dec-bsd*): non-functional code
1842 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
1844 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
1845 added three replacement fixes
1846 (no_double_slash): removed comments that are not (any longer) pertinent
1847 (bad_lval): this fix currently runs against many files.
1848 The comment seems to indicate that we should select for files
1849 containing 'pragma extern_prefix'.
1851 * fixinc/fixinc.x86-linux-gnu: deleted
1852 * fixinc/inclhack.sh: regen
1853 * fixinc/fixincl.x: regen
1854 * fixinc/fixincl.sh: regen
1856 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
1858 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
1859 its code is INSN and it has no notes.
1861 1999-11-22 Andrew Haley <aph@cygnus.com>
1863 * varasm.c (function_defined): Remove.
1864 (make_function_rtl): Don't set function_defined.
1865 (make_decl_rtl): Remove global register warning.
1866 * regclass.c (no_global_reg_vars): New variable.
1867 (globalize_reg): Warn if function has already been defined.
1868 (regclass_init): Set no_global_reg_vars.
1870 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1872 * regclass.c (reg_pref): New structure and static variable
1873 (prefclass): Delete.
1875 (all uses of prefclass and altclass): Use reg_pref instead.
1877 1999-11-21 Nick Clifton <nickc@cygnus.com>
1879 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
1881 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
1882 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1883 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1885 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
1887 * varasm.c (output_constructor): Solve problem with long long
1888 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
1890 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1892 * global.c (allocno): New structure and static variable.
1893 (allocno_reg): Remove, all references replaced by allocno.
1894 (allocno_size): Likewise.
1895 (hard_reg_conflicts): Likewise.
1896 (hard_reg_preferences): Likewise.
1897 (hard_reg_copy_preferences): Likewise.
1898 (hard_reg_full_preferences): Likewise.
1899 (regs_someone_prefers): Likewise.
1900 (allocno_calls_crossed): Likewise.
1901 (allocno_n_refs): Likewise.
1902 (allocno_live_length): Likewise.
1903 (find_reg): Rename ALLOCNO to NUM.
1905 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
1907 (may_move_out_cost): New variable.
1908 (init_reg_sets_1): Initialize may_move_out_cost.
1909 (record_reg_classes): Use may_move_out_cost.
1911 * regclass.c (dump_regclass): New function.
1912 (regclass): New parameter DUMP, call DUMP_REGCLASS.
1913 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
1914 pass rtl_dump_file to regclass.
1915 * rtl.h (regclass): Update prototype.
1917 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1919 * i386.md (neg, not and abs patterns): Revmap to use
1920 ix86_expand_unary_operator and ix86_unary_operator_ok.
1921 (add?f and sub?f expanders): Force operand 1 to register.
1922 * i386.c (ix86_expand_unary_operator): Rewrite.
1923 (ix86_unary_operator_ok): Ensure that memory operands
1925 (ix86_binary_operator_ok): Do not allow operand 1 to
1926 come into memory and operand 0 not.
1927 (ix86_expand_binary_operator): Ensure that
1928 src1 is not non-matching memory.
1930 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
1931 to support integer registers and memory.
1932 (abss?2_integer): Likewise.
1934 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
1935 (REG_CLASS_NAMES): Likewise.
1936 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
1938 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
1939 (movsf): Likewise; unify 4th and 5th alternative.
1941 (movdf_1): Likewise; rename to movdf_integer.
1942 (pushxf): Likewise; rename to pushxf_integer; fix output template;
1943 remove redundant splitter.
1944 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
1945 (movdf_nointeger): New.
1946 (movxf_nointeger): New.
1947 (pushxf_nointeger): New.
1949 * i386.md (extend?f?f): Split to expander and pattern, refuse two
1950 memory operands in patterns.
1951 (fop*): Refuse two memory operands.
1953 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
1954 on !TARGET_USE_CLTD CPUs.
1956 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
1958 * extend.texi: Document C++ restricted pointers and references.
1960 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
1962 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
1963 (invalidate_skipped_set): Call it unconditionally.
1964 (cse_set_around_loop): Likewise.
1966 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1968 * rtl.texi (mem): Add documentation for alias-set argument
1971 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1973 * i386.h (struct_processor_costs): New fields int_load, int_store,
1974 fp_move, fp_load and fp_store
1975 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
1977 (MEMORY_MOVE_COST): New macro.
1978 * i386.c (386_cost): Define new fields.
1979 (i486_cost): Likewise.
1980 (pentium_cost): Likewise.
1981 (pentiumpro_cost): Likewise.
1982 (k6_cost): Likewise.
1984 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
1985 Geoffrey Keating <geoffk@cygnus.com>
1987 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
1989 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
1992 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
1993 (TARGET_STRICT_ALIGNMENT): New macro.
1994 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
1995 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
1996 * invoke.texi (M680x0 Options): Document -mstrict-align.
1998 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
1999 Richard Henderson <rth@cygnus.com>
2001 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
2002 (ix86_split_long_move): Declare.
2003 * i386.c (split_xf, ix86_split_movdi): Remove.
2004 (ix86_split_to_parts, ix86_split_long_move): New.
2005 * i386.md (dimode move splitters): Use ix86_split_long_move.
2006 (dfmode move splitters): Likewise.
2007 (xfmode move splitters): Likewise.
2008 (movsf_1): Allow F->r.
2009 (movdf_1, movxf_1): Allow F->ro.
2011 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2013 * except.h (struct eh_entry): Add goto_entry_p.
2014 (eh_region_from_symbol): Remove prototype.
2015 * except.c (find_func_region_from_symbol): New function.
2016 (emit_cleanup_handler): Likewise.
2017 (eh_region_from_symbol): Make it static.
2018 (add_new_handler): Verify the argument.
2019 (find_func_region): Update comment.
2020 (expand_eh_region_end): Expand handlers here, rater than waiting
2021 until expand_leftover_cleanups or start_all_catch.
2022 (expand_leftover_cleanups): Don't expand here.
2023 (expand_start_all_catch): Or here.
2024 (expand_rethrow): Check the return value from find_func_region.
2025 * function.c (expand_function_end): Emit the catch_clauses.
2027 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
2029 * integrate.c (expand_inline_function): Add necessary check for NULL.
2031 1999-11-18 Nick Clifton <nickc@cygnus.com>
2033 * toplev.c (main): Correctly detect an unrecognised option.
2035 * cppinit.c (cpp_handle_option): Do not claim to have consumed
2036 a -f option if it has not been recognised.
2038 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
2040 * basic-block.h (update_life_extent): Remove trailing comma on
2041 enumeration type list.
2043 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2045 * varasm.c (output_constructor) Solved problem with long long
2046 bitfields. Corrected calculating this_time and shift. Also
2047 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
2049 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
2051 * flow.c (split_edge): Take looping structure into account when
2052 determining where to put the new block note.
2054 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
2056 * Makefile.in (ggc-none.o): Provide host specific version if
2059 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
2061 * cse.c (delete_trivially_dead_insns): Identify no-op insns
2062 containing subregs too.
2064 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2066 * invoke.texi: Add documentation for -muninit-const-in-rodata.
2067 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
2068 (TARGET_UNINIT_CONST_IN_RODATA): Define.
2069 (text_section): Add switches -munint-const-in-rodata and
2070 -mno-uninit-const-in-rodata.
2071 (ASM_OUTPUT_COMMON): Remove.
2072 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
2073 const objects should be placed in read-only data. Otherwise declare
2076 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
2078 * jump.c (jump_optimize_1): Revert last change.
2080 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
2082 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
2083 test if optimizing for size.
2085 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2087 * Makefile.in (toplev.o): Depend on except.h.
2088 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
2090 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2092 * i386.md (divmodsi4): Rewrite to expander.
2093 (*divmodsi4_nocltd): New.
2094 (*divmodsi4_cltd): New.
2095 (divmodsi4 splitter): Handle the case when input comes in edx.
2096 (udivmodhi4): Do not use constraints in exander.
2097 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
2099 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
2101 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
2102 for the common case.
2104 1999-11-16 Jakub Jelinek <jakub@redhat.com>
2106 * explow.c (hard_function_value): Add outgoing argument.
2107 * expr.h (hard_function_value): Declare it.
2108 * calls.c (expand_call, emit_library_call_value): Update callers.
2109 * function.c (aggregate_value_p): Ditto.
2110 (diddle_return_value): Must look at the outgoing registers
2111 on archs with register windows.
2113 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
2115 * alpha.c (alpha_build_va_list): Use make_lang_type and
2116 initialize TYPE_NAME for the va_list record.
2118 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
2120 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
2122 * ggc.h (struct ggc_statistics): Rearrange elements for better
2123 packing on 64-bit hosts.
2124 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
2125 (compute_nearerout): Likewise.
2127 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
2129 * config/rs6000/rs6000.c (first_reg_to_save): Save
2130 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
2132 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
2134 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
2135 notion of nesting to find the DIE for a type or function.
2136 DIEs can go in limbo even if we got a context_die.
2137 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
2138 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
2140 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
2141 (gen_type_die): Writing out the context doesn't cause member class
2142 template instantiations to be written out as well.
2144 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
2146 * rs6000.h (ASM_OUTPUT_DEF): New.
2147 Based on proposed addition from David Edelsohn.
2149 1999-11-15 Robert Lipe <RobertLipe@usa.net>
2150 Bruce Korb <autogen@linuxbox.com>
2152 * fixinc/inclhack.def
2153 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
2154 (unixware7_byteorder_fix): added. Removes conflicts for new defs
2156 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
2157 (svr4_endian): enabled with SVR5
2158 (svr4_mkdev): simplified syntax and enabled with SVR5
2160 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
2162 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
2163 * configure: Rebuilt.
2164 * config/t-freebsd-thread: New file.
2166 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
2168 * i386.c (ix86_decompose_address): Verify the base is a REG
2169 before trying to examine its register number.
2171 * basic-block.h: Remove all #defines and prototypes related to
2173 (free_bb_mem, compute_preds_succs): Remove prototype.
2174 * rtl.h (free_bb_mem): Remove prototype.
2175 * flow.c (alloc_int_list_node); Remove function.
2176 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
2177 (compute_preds_succs, free_bb_mem): Likewise.
2178 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
2179 * toplev.c (rest_of_compilation): Likewise.
2180 * haifa-sched.c (build_control_flow): Use flow generated edge
2181 list to build the haifa specific edge list.
2182 (find_rgns): Use new CFG data structures instead of pred/succ lists.
2183 (schedule_insns): Do not build pred/succ lists anymore. Instead
2184 build the edge table.
2186 * basic-block.h (dump_bb_data): Remove declaration.
2187 * flow.c (dump_bb_data): Remove function.
2188 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
2189 (sbitmap_union_of_predsucc): Likewise.
2191 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
2192 argument. All callers changed.
2193 (delete_null_pointer_checks_1): No longer need to compute the
2196 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
2197 All callers changed.
2198 (pre_expr_reaches_here_p_work): Likewise.
2199 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
2200 * lcm.c (compute_laterin): Fix initialization of LATER.
2201 (compute_nearerout): Similarly for NEARER.
2203 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2205 * cse.c (set_nonvarying_address_components): Delete unused function.
2206 (refers_to_p): Likewise.
2208 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
2210 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
2213 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2215 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
2216 definition in do while (0).
2218 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
2220 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
2222 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
2224 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
2226 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
2228 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
2229 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
2230 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
2231 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
2233 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
2234 saved on the stack. Output more accurate stack frame statistics
2235 into assembler file.
2237 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
2239 * genextract.c (record_insn_name): New function.
2240 (get_insn_name): No longer a stub.
2241 (main): Call record_insn_name for each insn. After each label
2242 written, print the insn name in a comment.
2244 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2246 * output.h (const_section, init_section, fini_section): Add
2249 * alpha/elf.h (const_section): Delete declaration.
2251 * svr4.h (const_section): Likewise.
2253 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
2255 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
2256 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
2257 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
2259 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
2260 variable-sized array bounds.
2262 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
2264 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
2267 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2269 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
2270 addresses the same way GO_IF_LEGITIMATE_INDEX does.
2272 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2274 * cse.c (hash_arg_in_struct): Delete.
2275 (struct table_elt): Delete elt in_struct.
2276 (struct set): Delete elt src_in_struct.
2277 (merge_equiv_classes): Don't set either hash_arg_in_struct or
2278 the corresponding in_struct elts.
2279 (canon_hash): Likewise.
2280 (safe_hash): Likewise.
2281 (find_best_addr): Likewise.
2282 (record_jump_cond): Likewise.
2283 (cse_insn): Likewise.
2285 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
2287 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
2289 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
2292 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
2294 * function.c (diddle_return_value): Put back check that the DECL_RTL
2295 for the function is a register.
2297 * function.c (diddle_return_value): Use hard_function_value to
2298 get an rtx suitable for use in the USE/CLOBBER insn.
2300 * global.c (global_conflicts): Update comments.
2301 (record_conflicts): No need to record conflicts between pseudos here.
2303 1999-11-11 Bruce Korb <autogen@linuxbox.com>
2305 * fixinc/fixincl.c: Added verbose levels for status messages
2307 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2309 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
2310 operand as argument to expand_and or expand_binop.
2312 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
2314 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
2315 gcc_add_string_root.
2317 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
2319 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
2321 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
2323 * flow.c (compute_flow_dominators): Initially put all blocks on
2325 * lcm.c (compute_antinout_edge, compute_available): Similarly.
2326 * gcse.c (compute_cprop_avinout): Remove.
2327 (compute_cprop_data): Use compute_available.
2328 (delete_null_pointer_checks_1): Use compute_available.
2330 * basic-block.h (compute_available): Returns a void now.
2331 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
2332 to return a value anymore.
2333 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
2334 worklists. Fix boundary cases. Compute maximal solutions.
2335 (compute_laterin, compute_nearerout): Similarly.
2337 * dwarf2out.c (add_AT_location_description): Allow
2338 (mem (plus (pseudo) (...)) too.
2340 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
2342 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
2344 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
2345 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2347 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
2349 * gansidecl.h: Likewise.
2355 * toplev.h: Likewise.
2361 * varray.c: Likewise.
2363 * varray.h: Likewise.
2365 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
2367 * gcov.c (struct arcdata): Add hits and total, remove prob.
2368 (output_branch_counts): New.
2369 (process_args): Set output_branch_counts if -c.
2370 (calculate_branch_probs): Store hits and total instead of
2372 (output_data): Emit counts if output_branch_counts is true.
2373 * gcov.texi (Invoking Gcov): Document -c switch..
2375 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
2377 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
2378 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
2380 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
2382 * invoke.texi (C Dialect Options): Add missing builtins from
2384 * extend.texi (Other Builtins): Copy to this list.
2386 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2388 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
2389 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
2392 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
2394 * flow.c (compute_flow_dominators): No longer treat basic block 0
2395 or (n_basic_blocks - 1) specially. Clear the AUX field before
2396 starting computation of doms/pdoms. Fix initial state for pdoms.
2398 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2400 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
2401 match rtl.o's: added ggc.h and toplev.h
2402 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
2403 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
2404 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
2406 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
2408 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
2409 from HAVE_DOS_BASED_FILESYSTEM.
2410 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
2411 HAVE_DOS_BASED_FILESYSTEM.
2413 (split_directories): Only special-case DOS file names if
2414 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
2415 instead of explicit tests. Conditionalize on !VMS.
2416 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
2417 tests. Conditionalize on !VMS.
2418 (process_command): Only use make_relative_prefix if !VMS.
2419 (free_split_directories): Conditionalize on !VMS.
2420 (DIR_UP): Conditionalize on !VMS.
2422 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
2424 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
2426 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
2428 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
2431 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
2433 * invoke.texi (Environment Variables): Document relative path
2435 * gcc.c (DIR_UP): If not defined, define as "..".
2436 (standard_bindir_prefix): New static, holds target location to
2438 (split_directories): New function to split a filename into
2439 component directories.
2440 (free_split_directories): New function, release memory allocated
2441 by split_directories.
2442 (make_relative_prefix): New function, make a relative pathname if
2443 the compiler is not in the expected location.
2444 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
2445 can figure out an appropriate prefix from argv[0].
2446 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
2447 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
2448 STANDARD_BINDIR_PREFIX.
2450 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2452 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
2454 * config/c4x/c4x.h: Moved prototypes to c4x.h.
2455 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
2456 c4x_secondary_memory_needed) Delete.
2457 (fp_zero_operand): Add mode argument.
2459 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
2461 * reload1.c (reload_reg_free_for_value_p): Don't use a register
2462 that is in reload_reg_used.
2464 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
2466 * config/arm/arm-protos.h: New file: Prototypes for functions
2467 defined in arm.c and pe.c.
2468 * config/arm/arm.h: Fix compile time warnings.
2469 * config/arm/arm.c: Fix compile time warnings.
2470 * config/arm/pe.h: Fix compile time warnings.
2471 * config/arm/aout.h: Fix compile time warnings.
2473 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
2475 * config/m32r/m32r-protos.h: New file: Prototypes for functions
2478 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
2479 Add support for subtargets.
2480 Add prototypes for new predicates.
2481 Add scheduling macros.
2483 * config/m32r/m32r.c: Fix compile time warnings.
2484 (int8_operand): New predicate function.
2485 (reg_or_cmp_int16_operand): New predicate function.
2486 (extend_operand): New predicate function.
2487 (m32r_adjust_code): New scheduling function.
2488 (m32r_adjust_priorty): New scheduling function.
2489 (m32r_sched_init): New scheduling function.
2490 (m32r_sched_reorder): New scheduling function.
2491 (m32r_sched_variable_issue): New scheduling function.
2492 (direct_return): New codegen function.
2493 (m32r_not_same_reg): New rtl testsing function.
2495 * config/m32r/m32r.md: Fix compile time warnings.
2496 Add support for pre decrement and post increment memory
2501 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2503 * global.c (EXECUTE_IF_CONFLICT): Don't define.
2504 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
2505 (find_reg): Likewise.
2507 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
2509 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
2510 to avoid assembler errors.
2512 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
2514 * config/v850/v850-protos.h: New file: Prototypes for functions
2516 * config/v850/v850.h: Move prototypes to v850-protos.h
2517 * config/v850/v850.c: Move prototypes to v850-protos.h
2518 * config/v850/v850.md: Fix compile time warnings.
2520 * config/fr30/fr30-protos.h: New file: Prototypes for functions
2522 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
2523 * config/fr30/fr30.c: Fix compile time warnings.
2524 * config/fr30/fr30.md: Fix compile time warnings.
2526 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
2528 * tree.h (get_containing_scope): Declare it.
2529 * tree.c (get_containing_scope): New fucntion.
2530 (decl_function_context): Use it.
2531 * toplev.c (rest_of_compilation): Use get_containing_scope.
2533 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2535 * Makefile.in (rtl.o): Depend on toplev.h.
2537 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
2539 * cse.c (delete_trivially_dead_insns): Replace alloca with
2541 * except.c (update_rethrow_references): Likewise.
2542 (init_eh_nesting_info): Likewise.
2543 * function.c (identify_blocks): Likewise.
2544 * gcse.c (dump_hash_table): Likewise.
2545 * graph.c (print_rtl_graph_with_bb): Likewise.
2546 * loop.c (combine_movables): Likewise.
2547 (move_movables): Likewise.
2548 (count_loop_regs_set): Likewise.
2549 (strength_reduce): Likewise.
2550 * profile.c (compute_branch_probabilities): New function, split
2552 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
2553 * regclass.c (regclass): Likewise.
2554 * regmove.c (regmove_optimize): Likewise.
2555 * toplev.c (compile_file): Likewise.
2556 (main): Don't mess with the stack rlimit.
2558 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
2560 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
2561 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
2563 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
2565 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
2567 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
2569 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
2570 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
2573 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
2575 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
2577 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
2579 * gcse.c (post_dominators): Kill.
2580 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
2581 (compute_code_hoist_data): Use compute_flow_dominators. Do not
2582 pass in a pdom array since we do not need pdoms.
2583 * haifa-sched.c (schedule_insns): Similarly.
2584 * flow.c (compute_dominators): Remove dead function.
2585 (compute_flow_dominators): Do not compute doms or pdoms if the
2586 caller does not request them. Split up loop to build doms and
2587 pdoms. Use a worklist to compute doms and pdoms.
2588 * basic-block.h (compute_dominators): Remove prototype.
2590 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
2592 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
2593 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
2594 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
2595 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
2596 (cant_move, fed_by_spec_load, is_load_insn): Remove.
2597 (schedule_region): Remove unused variable.
2598 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
2600 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
2602 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
2603 (update_equiv_regs): Likewise.
2604 (block_alloc): Likewise.
2605 * reg-stack.c (reg_to_stack): Likewise.
2606 (convert_regs_2): Likewise.
2607 * reload1.c (reload_as_needed): Likewise.
2609 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
2611 * Makefile.in (dbxout.o): Depend on ggc.h.
2612 (dwarf2out.o): Likewise.
2613 (xcoffout.o): Likewise.
2614 * dbxout.c: Include ggc.h.
2615 (dbxout_init): Register lastfile as a root.
2616 * dwarf2out.c: Include ggc.h.
2617 (dwarf2out_line): Register lastfile as a root.
2618 * xcoffout.c: Include ggc.h.
2619 (xcoffout_source_line): Register xcoff_lastfile as a root.
2621 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
2623 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
2625 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
2627 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
2629 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2631 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2633 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
2634 (EXECUTE_IF_CONFLICT): Likewise.
2635 (ALLOCNO_LIVE_P): Avoid signed division.
2636 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
2637 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
2638 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
2640 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
2642 * haifa-sched.c (schedule_block): Don't crash if there's no
2643 next insn for an interblock movement.
2644 (add_branch_dependences): Don't allow clobber insns to move either.
2646 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
2648 * i386.c (split_xf): New.
2649 * i386-protos.h: Declare it.
2650 * i386.md (movxf_1): Add general regs alternatives.
2651 (movxf_1+1): New splitter for same.
2653 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
2655 * function.c (purge_addressof_1): Add missing return values.
2657 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
2659 * function.c (is_addressof): New function. Returns true if
2660 the given piece of RTL is an ADDRESSOF.
2661 (purge_addressof_1): Make boolean. Return false if the
2662 ADDRESSOFs could not be purged.
2663 (purge_addressof): If ADDRESSOFs could not be purged from the
2664 notes attached to an insn, remove the offending note(s),
2665 unless they are attached to a libcall.
2667 1999-11-05 Andreas Jaeger <aj@suse.de>
2669 * genoutput.c (null_operand =): Initialize all fields.
2671 * errors.h: Add extern to prototypes.
2673 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
2675 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
2676 * configure: Rebuilt.
2678 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2680 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
2681 (mirror_conflicts): New function.
2682 (global_alloc): Call it.
2683 (expand_preferences): Remove redundant CONFLICTP test.
2684 (find_reg, dump_conflicts): Likewise.
2685 (prune_preferences): Process conflicts one word at a time.
2687 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
2689 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
2690 instead of an explicit loop.
2692 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
2694 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
2695 if REG_RETVAL check succeeds, then put classp in src_elt.
2697 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
2699 * function.c (pad_to_arg_alignment): Only update argument_pad
2700 if the argument's alignment is greater than STACK_BOUNDARY.
2702 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
2704 * bitmap.h (BITMAP_XFREE): New.
2705 * flow.c (life_analysis): Use it.
2706 (life_analysis_1): Free blocks.
2708 * combine.c (undo_commit): New.
2709 (try_combine): Use it. Don't zap undobuf.undos.
2710 (combine_instructions): Don't zap undobuf.undos; free the
2713 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
2715 * stmt.c (cost_table_): New.
2716 (estimate_case_costs): Use it instead of xmalloc.
2718 * toplev.c (compile_file): Reuse dumpname memory instead
2721 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
2723 * reg-stack.c (convert_regs_1): Initialize target_stack->top
2724 after verifying an EH edge.
2726 * haifa-sched.c (init_rgn_data_dependences): Correctly
2727 size bb_pending_lists_length when zeroing.
2729 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
2731 * function.c (diddle_return_value): New.
2732 (expand_function_end): Use it.
2733 * stmt.c (expand_null_return): Likewise.
2734 (expand_value_return): Likewise.
2736 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
2738 * reload1.c (reload): Don't remove return value clobbers.
2740 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
2742 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
2744 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
2746 * cse.c (cse_main): Use xmalloc, not alloca.
2747 (cse_basic_block): Likewise.
2748 * local-alloc.c (local_alloc): Likewise.
2750 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
2751 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2753 * rtl.c: Include toplev.h.
2754 (fatal): Remove declaration.
2756 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
2758 * haifa-sched.c (schedule_block): Fix thinko.
2760 1999-11-03 James McKelvey <mckelvey@fafnir.com>
2762 * fixinc/fixincl.c(create_file): Allow for systems that do not have
2763 S_IR* defined values
2765 1999-11-03 Philippe De Muyter <phdm@macqel.be>
2767 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
2768 call `malloc' instead.
2770 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
2772 * flags.h (flag_renumber_insns): Declare.
2773 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
2775 * rtl.h (renumber_insns): Change prototype.
2776 * toplev.c (flag_renumber_insns): Define.
2777 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
2779 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
2781 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
2782 and fpsqrtd. Use them and create fdiv function unit to more
2783 accurately represent fpu sqrt pipeline semantics on UltraSparc.
2784 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
2786 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
2788 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
2790 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
2791 insn into ready list, do not use just a raw swap.
2793 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
2795 * rtl.h (renumber_insns): New function.
2796 (remove_unnecessary_notes): Likewise.
2797 * emit-rtl.c (renumber_insns): Define.
2798 (remove_unncessary_notes): Likewise.
2799 * toplev.c (rest_of_compilation): Remove dead code.
2800 Use renumber_insns and remove_unncessary_notes.
2802 * gcse.c (struct null_pointer_info): New type.
2803 (get_bitmap_width): New function.
2804 (current_block): Remove.
2805 (nonnull_local): Likewise.
2806 (nonnull_killed): Likewise.
2807 (invalidate_nonnull_info): Take a null_pointer_info as input.
2808 (delete_null_pointer_checks_1): New function.
2809 (delete_null_pointer_checks): Use it.
2811 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
2812 (split_edges): Likewise.
2813 (schedule_block): Likewise.
2814 (compute_block_backward_dependencies): Likewise.
2815 (schedule_region): Likewise.
2816 (schedule_insns): Likewise.
2818 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
2820 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
2821 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
2822 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
2823 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
2824 * jump.c (delete_unreferenced_labels): Don't delete if
2825 LABEL_ALTERNATE_NAME is set.
2826 * print-rtl.c (print_rtx): Dump alternate name.
2827 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
2828 * rtl.h (LABEL_ALTERNATE_NAME): Define.
2829 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
2830 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
2832 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2834 * fix-header.c (recognized_extern, recognized_function): Constify
2837 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
2838 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2839 (compute_available): Remove unused variable `last'.
2840 (compute_nearerout): Remove unused variable `temp_bitmap'.
2841 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2842 Remove unused variable `x'.
2844 * scan.h (recognized_function, recognized_extern): Constify a
2847 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
2849 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2851 * varasm.c (decode_rtx_const): Use XSTR to access the string
2854 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
2856 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
2858 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2860 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
2862 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
2864 * pa.c (ireg_operand): New function.
2865 * pa.h (PREDICATE_CODES): Handle ireg_operand.
2866 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
2867 Fix out of date comment.
2869 * pa.md (negdi2): Turn into expander + anonymous pattern.
2871 * reload.c (find_reloads): Fix typos in recent change.
2873 * dwarf2out.c: Do not include ctype.h.
2875 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2877 * regclass.c (record_reg_classes): Always use may_move_cost when
2878 seeing how operand fits with various register classes.
2880 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
2882 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
2883 * toplev.c: Revert Nov 1 13:22 change.
2885 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
2887 * config/pa/pa.md (height reduction patterns): Add checks for
2888 overlapping operands to avoid semantic-destroying splits for
2889 height reduction patterns.
2891 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2893 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
2894 have been an hyphen, fixed.
2895 * configure: Rebuilt.
2897 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
2899 * config/arm/tpe.h: Add prototypes for exported functions.
2900 * config/arm/pe.c: Fix compile time warnings.
2901 * config/arm/semi.h: Fix compile time warnings.
2902 * config/arm/arm.c: Fix compile time warnings.
2903 * config/arm/arm.h: Fix compile time warnings.
2904 * config/arm/arm.md: Fix compile time warnings.
2905 * config/arm/thumb.c: Fix compile time warnings.
2906 * config/arm/thumb.h: Fix compile time warnings.
2907 * config/arm/thumb.md: Fix compile time warnings.
2909 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
2911 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
2914 * unroll.c (unroll_loop): Remove LOOP notes when loop is
2915 completely unrolled.
2917 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2919 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
2921 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
2923 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
2924 * rtl.h (rtx_equal_p): Move prototype.
2925 * rtl.c (rtx_equal_function_value_matters): Move from
2927 (rtx_equal_p): Likewise.
2928 * rtlanal.c (rtx_equal_function_value_matters): Delete.
2929 (rtx_equal_p): Likewise.
2931 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
2933 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
2936 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
2938 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
2940 * pa.h (ADDR_VEC_ALIGN): Define.
2942 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
2943 notes when presented with "if (foo) break; end_of_loop" and
2944 the break sequence gets moved out of the loop.
2946 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
2947 Remove explicit zero initializations of entries within MAP.
2949 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
2951 * reg-stack.c (convert_regs_1): Handle EH edges specially.
2953 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
2955 * bitmap.h (BITMAP_XMALLOC): New macro.
2956 * flow.c (CLEAN_ALLOCA): Remove.
2957 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
2958 (life_analysis): Likewise.
2959 (update_life_info): Don't use CLEAN_ALLOCA.
2960 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
2961 (calculate_global_regs_live): Likewise.
2962 (print_rtl_with_bb): Likewise.
2963 (verify_flow_info): Likewise.
2964 * global.c (global_alloc): Likewise.
2965 (global_conflicts): Likewise.
2966 * integrate.c (save_for_inline_nocopy): Likewise.
2967 (expand_inline_function): Likewise.
2968 * jump.c (jump_optimize_1): Likewise.
2969 (duplicate_loop_exit_test): Likewise.
2970 (thread_jumps): Likewise.
2971 * loop.c (loop_optimize): Likewise.
2972 (combine_givs): Likewise.
2973 (recombine_givs): Likewise.
2974 * reorg.c (dbr_schedule): Likewise.
2975 * unroll.c (unroll_loop): Likewise.
2977 * combine.c (combine_instructions): Use xmalloc instead of alloca.
2979 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
2981 * toplev.c (rest_of_compilation): Don't optimize the CFG
2982 when rebuilding, just before dbr.
2984 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2986 * output.h (assemble_end_function, assemble_destructor,
2987 assemble_constructor, assemble_gc_entry, assemble_global,
2988 assemble_label, output_constant_pool) Constify a char*.
2990 * varasm.c (assemble_destructor, assemble_constructor,
2991 assemble_gc_entry, assemble_end_function, assemble_global,
2992 assemble_label, output_constant_pool): Likewise.
2994 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
2996 * config/arm/thumb.c (thumb_expand_prologue): Add comments
2997 explaining what is goin on in this function.
2999 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3001 * regclass.c (record_reg_classes): In matching case, recompute
3002 costs since the direction of movement is different.
3004 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
3006 * resource.c (mark_target_live_regs): For unconditional branches,
3007 the resources found at the branch target should be added to the
3008 resources found so far, not intersected.
3010 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
3012 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
3014 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
3015 (sys/mman.h): Include this file only if #HAVE_MMAP.
3016 (run_compiles): Initialize `esac_fmt' with one old KR string, not
3017 with automatically concatenated ANSI strings.
3019 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
3021 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
3022 (DIV_ROUND_UP): Robustify.
3023 (ggc_recalculate_in_use_p): New function.
3024 (release_pages): Don't inline it.
3025 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
3027 (ggc_pop_context): Use ggc_recalculate_in_use_p.
3028 (clear_marks): Always save in_use_p.
3029 (sweep_pages): Use ggc_recalculate_in_use_p.
3030 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
3031 Release pages before counting statistics.
3033 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
3035 * toplev.c (rest_of_compilation): Fix thinko in this change:
3037 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3039 (rest_of_compilation): If inside an inlined external function,
3040 pretend we are just being declared.
3042 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
3044 * flow.c (calculate_global_regs_live): Fix thinko.
3046 * integrate.c (expand_inline_function): Fix bugs in previous
3047 change from Oct 28, 1999.
3049 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
3051 * stmt.c (expand_value_return): Fix typo in this change:
3053 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3054 (expand_value_return): Correctly convert VAL when promoting function
3055 return; support RETURN_REG being a PARALLEL.
3057 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
3059 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
3061 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3063 * hard-reg-set.h (reg_names): Constify a char*.
3065 * regclass.c (reg_names): Likewise.
3067 * regs.h (reg_names): Likewise
3069 * a29k/a29k.c (reg_names): Delete declaration.
3071 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
3073 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
3074 arc_output_function_epilogue): Likewise.
3076 * elxsi/elxsi.c (reg_names): Likewise.
3078 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
3080 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
3083 * m88k/m88k.c (output_function_profiler): Likewise.
3085 * sparc/sparc.c (sparc_flat_output_function_prologue,
3086 sparc_flat_output_function_epilogue): Likewise.
3088 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
3090 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
3091 warning from -Wuninitialized and put it under -W.
3092 * function.c (uninitialized_vars_warning): Warn only when the
3093 corresponding flag is set.
3095 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
3097 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
3098 is nonzero and the single set does not have an elt, then assign
3101 * simplify-rtx.c: New file.
3102 * Makefile.in (OBJS): Add simplify-rtx.o
3103 (simplify-rtx.o): Add dependencies.
3104 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
3105 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
3106 (cse_gen_binary, simplify_unary_operation): Delete.
3107 (simplify_binary_operation, simplify_plus_minus): Likewise.
3108 (check_fold_consts, simplify_relation_operation): Likewise.
3109 (simplify_ternary_operation): Likewise.
3110 (delete_trivially_dead_insns): Simplify the contents of the
3111 REG_EQUAL note before trying to substitute it into the source
3112 of the reg-reg copy at the end of a libcall sequence.
3114 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
3115 references/callers changed.
3117 * mn10200.c (mn10200_va_arg): Force the return value into a
3120 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
3122 * cccp.c (macroexpand): Avoid out of range accesses for omitted
3125 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
3127 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
3129 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
3131 * fold-const.c (fold): Fix thinko when optimizing comparisons
3134 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
3136 * gcc.texi (Passes): Update front-end files to their current
3139 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
3141 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
3142 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3143 (PREDICATE_CODES): Add addition_operation.
3144 * alpha-protos.h (addition_operation): Declare.
3145 (secondary_reload_class): Likewise.
3146 * alpha.c (addition_operation): New.
3147 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
3148 * alpha.md (adddi3): Turn into expander.
3149 (*lda, *adddi_2): New.
3150 (movsf, movdf patterns): Don't preference integer regs.
3151 (movsi, movdi patterns): Don't preference fp regs.
3153 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
3155 * genrecog.c (write_switch): Check for duplicate CODE cases.
3157 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
3159 * ggc-common.c: Update pre-function commentary.
3160 * ggc-page.c: Likewise.
3162 (poison_pages): Use memset directly.
3163 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
3164 (ggc_collect): Poison before sweeping.
3165 * ggc-simple.c: Update pre-function commentary.
3166 (ggc_alloc_obj): Poison non-zeroed memory.
3168 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
3170 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
3171 match format string, even on 64-bit hosts.
3172 * gcc-page.c (ggc_page_print_statistics): Likewise.
3174 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
3176 * config/i386/i386.c (ix86_cpu): Revert last patch.
3177 * config/i386/i386.h (ix86_cpu): Ditto.
3179 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
3181 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
3182 TYPE_SIZE, convert type of result to sizetype.
3184 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
3186 * flow.c (count_or_remove_death_notes): Equate NULL with the
3189 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
3190 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
3193 * i386.c (pic_label_no): Delete.
3194 (ix86_attr_length_default): Don't use single_set to peek
3197 * recog.c (peephole2_optimize): Allow recog_next_insn to index
3198 the first insn after bb->end.
3199 * i386.md (push mem peeps): Scratch is live after evaluation
3201 (cmp mem peep): Similarly.
3203 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
3205 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
3206 * function.c (pad_to_arg_alignment): Add missing braces.
3208 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3210 * alpha/alpha-protos.h (literal_section): Add prototype.
3211 (alpha_need_linkage, alpha_start_function,alpha_end_function):
3214 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
3216 (alpha_start_function, alpha_end_function, float_strings,
3217 alpha_need_linkage): Constify a char*
3219 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
3221 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
3223 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3225 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3227 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3229 * flow.c (debug_flow_info): Add prototype.
3231 * gcc.c (main): Likewise.
3233 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
3236 * reload1.c (failed_reload, set_reload_reg): Likewise.
3238 * mips-tfile.c (main): Likewise.
3239 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
3240 with ATTRIBUTE_NORETURN.
3242 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
3244 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
3245 DECL is not a memory ref.
3247 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
3249 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
3250 * config/i386/i386.c (ix86_cpu): Add extern attribute.
3252 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
3254 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
3255 * config/mips/elf64.h: ditto.
3257 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
3259 * expr.c (emit_push_insn): New argument alignment_pad.
3260 Update all callers. Adjust stack pointer based on alignment pad.
3261 * function.c (pad_to_arg_alignment): New argument alignment_pad.
3262 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
3263 (locate_and_pad_parm): New argument alignment_pad. Update all
3265 * expr.h (emit_push_insn): Update prototype.
3266 (locate_and_pad_parm): Update prototype.
3267 * calls.c (arg_data): Add new field alignment_pad.
3268 (initialize_argument_information): Initialize alignment_pad.
3270 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
3272 * except.c (free_eh_nesting_info): Free the info itself.
3273 * function.c (free_after_compilation): Don't free NULL.
3274 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
3275 (pre_edge_insert): Free inserted.
3276 * stmt.c (free_stmt_status): Don't free NULL.
3278 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3280 * gcov.c (DIR_SEPARATOR): Provide default.
3281 (output_data): Add test for MS-DOS format absolute filename.
3282 (fancy_abort): Correct program name.
3283 (open_files): Open all files in binary mode.
3284 * libgcc2.c (__bb_exit_func): Likewise.
3286 * profile.c (init_branch_prob): Specify binary when opening files.
3288 * flags.h (flag_unwind_tables): New decl.
3289 * toplev.c (flag_unwind_table): New definition.
3290 (f_options): Add -funwind-tables.
3291 (decode_g_option): Clarify warning when unknown -g option is given.
3292 (rest_of_compilation): If inside an inlined external function,
3293 pretend we are just being declared.
3295 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
3296 (dwarf2out_frame_finish): Likewise.
3298 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
3300 * fold-const.c (merge_ranges): If not in0, but in1, handle
3301 upper bounds equal like subset case.
3303 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
3305 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
3306 passed in a register but moved to the stack.
3308 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
3310 * gcc.c (pass_exit_codes, greatest_status): New variables.
3311 (struct option_map): Add entry for "--pass-exit-codes".
3312 (execute): Update greatest_status if error.
3313 (display_help): Add documentation for -pass-exit-codes.
3314 (process_command): Handle -pass-exit-codes.
3315 (main): Look at pass_exit_codes and greatest_status on call to exit.
3317 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3319 * reload.c (find_reloads): Refine test for no input reload
3320 case to not includes reloads emitted after insn.
3322 * function.c (find_temp_slots_from_address): Handle sum involving
3323 a register that points to a temp slot.
3324 (update_temp_slot_address): Make recursive call if both old and
3325 new are PLUS with a common operand.
3326 * calls.c (expand_call): Mark temp slot for result as having
3329 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
3331 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
3332 component as well as "BINUTILS".
3334 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
3335 * integrate.c (copy_rtx_and_substitute): Likewise.
3336 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
3337 All callers changed.
3338 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
3340 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
3341 gdb extensions, write size of type; also be more consistent
3342 in using references when this is a subtype.
3344 * pa.md (extv, extzv, insv): Use define_expand to reject constant
3345 that is out of range.
3347 * loop.c (unknown_constant_address_altered): New variable.
3348 (prescan_loop): Initialize it.
3349 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
3350 (invariant_p, case MEM): Remove handling for volatile and readonly;
3351 check new variable if readonly.
3352 (check_dbra_loop): Chdeck unknown_constant_address_altered.
3354 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
3355 (addr_affects_sp_p): Removed from note_mem_written and only
3356 define #ifdef AUTO_INC_DEC.
3358 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
3360 * regclass.c (record_reg_classes): Properly handle register move
3363 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
3364 Don't think valid if both operands are invalid.
3365 (struct constant_descriptor): New field RTL.
3366 (mark_const_hash_entry): Mark it.
3367 (record_constant{,_rtx}): Initialize it.
3368 (output_constant_def): Allocate RTL in permanent obstack and
3370 ({record,compare}_constant_1): Modes must match for
3371 CONSTRUCTOR of ARRAY_TYPE.
3373 * c-common.h (initializer_constant_valid_p): Delete decl from here.
3374 * output.h (initializer_constant_valid_p): Move decl to here.
3375 * c-common.c (initializer_constant_valid_p): Delete function from here.
3376 * varasm.c (initializer_constant_valid_p): Move function to here.
3378 * tree.h (STRIP_SIGN_NOPS): New macro.
3379 * fold-const.c (optimize_minmax_comparison): New function.
3380 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
3381 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
3382 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
3383 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
3384 widening conversions.
3385 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
3386 to look at size of mode, not precision of type; also add missing cases.
3387 (optimize_bit_field_compare, decode_field_reference): Don't try to
3388 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
3390 * dwarf2out.c (ctype.h): Include.
3391 (dwarf2out_set_demangle_name_func): New function.
3392 (size_of_line_info): Deleted.
3393 (output_line_info): Compute size of line info table from difference
3395 (base_type_die, add_name_attribute): Call demangle function, if any.
3396 (field_byte_offset): Use bits per word for variable length fields.
3397 (gen_array_type_die): Add array name.
3398 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
3399 (dwarf2out_add_library_unit_info): New function.
3401 * explow.c (set_stack_check_libfunc): New function.
3402 (stack_check_libfunc): New static variable.
3403 (probe_stack_range): Allow front-end to set up a libfunc to call.
3405 * combine.c (simplify_comparison): When making comparison in wider
3406 mode, check for having commuted an AND and a SUBREG.
3407 (contains_muldiv): New function.
3408 (try_combine): Call it when dividing a PARALLEL.
3409 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
3410 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
3412 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
3413 use one of the CLOBBERs instead.
3414 (if_then_else_cond): If comparing against zero, just return thing
3417 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
3418 Don't generate shifts and subtract if have conditional arithmetic.
3420 * rtl.h (delete_barrier): New declaration.
3421 * jump.c (jump_optimize): Set up to handle conditional call.
3422 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
3423 (delete_barrier): New function.
3425 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
3427 * recog.c (nonmemory_operand): Accept ADDRESSOF.
3429 * tree.c (build_type_attribute_variant): Push to obstack of
3430 ttype around type_hash_canon call.
3432 * expr.c (placeholder_list): Move decl to file scope.
3433 (expand_expr): Don't force access to volatile just because its
3435 If ignoring reference operations, just expand the operands.
3436 (expand_expr, case COMPONENT_REF): Propagate
3437 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
3438 Refine test for using bitfield operations vs pointer punning.
3439 (expand_expr, case CONVERT_EXPR): If converting to
3440 BLKmode UNION_TYPE from BLKmode, just return inner object.
3441 Use proper mode in store_field call.
3442 Properly set sizes of object to store and total size in store_field
3443 call for convert to union.
3444 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
3445 memory (like for ADDR_EXPR). Also, don't put constant in register if
3446 we'll want it in memory.
3447 (readonly_fields_p): New function.
3448 (expand_expr, case INDIRECT_REF): Call it if LHS.
3449 (expand_assignment): Handle a RESULT_DECL where
3450 DECL_RTL is a PARALLEL.
3451 (do_jump, case WITH_RECORD_EXPR): New case.
3452 (get_inner_reference): Always go inside a CONVERT_EXPR
3453 and NOP_EXPR if both modes are the same.
3454 (store_field): Use bitfield operations if size of bitsize is not same
3455 as size of RHS's type.
3456 Check for bitpos not a multiple of alignment in BLKmode case.
3457 Do block move in largest possible alignment.
3458 (store_constructor): Set BITSIZE to -1 for variable size and properly
3459 in case of array of BLKmode.
3460 (expand_expr_unaligned): New function.
3461 (do_compare_and_jump): Call it.
3463 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
3464 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
3465 does not include 'o'.
3467 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
3468 both SET_DEST and SET_SRC reference a virtual register.
3469 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
3471 * integrate.c (expand_inline_function): Handle case of setting
3472 virtual stack vars register (from built in setjmp); when parameter
3473 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
3474 (subst_constant): Add new parm, MEMONLY.
3475 (expand_inline_function, integrate_parm_decls): Pass new parm.
3476 (integrate_decl_tree): Likewise.
3477 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
3478 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
3479 (copy_rtx_and_substitute, case SET): Add explicit calls to
3480 copy_rtx_and_substitute for both sides.
3482 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
3484 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
3485 within INDEX_TYPE, instead of before.
3486 (fixup_gotos): Use f->target_rtl, not the next insn,
3487 since latter may be from a later fixup.
3488 (expand_value_return): Correctly convert VAL when promoting function
3489 return; support RETURN_REG being a PARALLEL.
3490 (expand_return): When checking for result in regs and having
3491 cleanup, consider PARALLEL in DECL_RTL as being in regs.
3493 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
3495 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
3496 last_nominal_fname): Mark const.
3497 (struct include_hash: name, nshort, control_macro): Mark
3499 (struct macrodef: symnam): Mark const.
3500 (struct if_stack: fname): Mark const.
3501 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
3502 (IStable): New character-syntax array which encompasses all
3503 the old is_foo arrays.
3504 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
3505 is_space): New macros for interrogating IStable.
3506 (check_macro_name): Kill last argument. All callers changed.
3508 * cppinit.c (initialize_char_syntax): Delete.
3509 (is_idchar, is_idstart, is_hor_space, is_space,
3510 trigraph_table): Delete.
3511 (IStable): New. Initialize with clever macros to avoid
3512 information duplication.
3513 (builtin_array): Table of builtins to get rid of explicit list
3514 in initialize_builtins.
3515 (initialize_builtins): Use builtins_array.
3516 (cpp_start_read): Call init_IStable, and set IStable['$'] if
3517 opts->dollars_in_ident.
3519 * cppexp.c: Change all refs to is_xyz[] arrays to use new
3521 (cpp_parse_expr): Avoid 'format string is not constant'
3522 warning. Use ISGRAPH to identify printable chars.
3523 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
3525 (read_and_prescan): Map trigraphs to chars with open-coded
3526 if-else-if-... sequence, not a lookup table.
3527 * cpphash.c: Change all refs to is_xyz[] arrays to use new
3529 * cpplib.c: Change all refs to is_xyz[] arrays to use new
3530 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
3531 (check_macro_name): Remove ability to report an invalid
3532 assertion name, which is never used.
3533 (do_line): Constify a couple of char *'s.
3534 * cppmain.c (main): Call cpp_cleanup before returning.
3536 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
3538 * ggc.h (struct ggc_statistics): New type.
3539 (ggc_get_size): New function.
3540 (ggc_print_statistics): Likewise.
3541 * ggc-common.c (ggc_stats): New variable.
3542 (ggc_mark_rtx_children): Keep statistics.
3543 (ggc_mark_tree_children): Likewise.
3544 (ggc_print_statistics): New function.
3545 * ggc-page.c (struct globals): Add bytes_mapped field.
3546 (alloc_anon): Update it.
3547 (release_pages): Likewise.
3548 (ggc_get_size): New function.
3549 (ggc_page_print_statistics): New function.
3550 * ggc-simple.c (ggc_get_size): New function.
3552 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
3554 * flow.c (propagate_block): When the last reference to a label
3555 before an ADDR_VEC is deleted because the reference is a dead
3556 store, delete the ADDR_VEC.
3558 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
3560 * resource.c (find_free_register): Don't use the frame pointer
3561 if frame_pointer_needed.
3563 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
3565 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
3566 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
3568 * config/i960/i960.c (i960_va_start): New locals base, num.
3569 Use INDIRECT_REF instead of ARRAY_REF on valist.
3570 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
3572 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
3574 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
3576 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
3578 * tree.def (PLACEHOLDER_EXPR): Update comments.
3580 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3582 * c-common.c (check_format_info): Avoid non-literal format string
3583 warnings when `first_arg_num' is zero.
3585 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3587 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
3589 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3591 * arm.md (casesi_insn): Add a clobber of the condition code
3594 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
3596 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
3597 used by both cc1 and cc1plus.
3599 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
3601 * config/arm/arm.c: Initialise arm_structure_size_boundary to
3602 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
3603 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
3604 to the value 32 if it has not already been defined.
3605 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
3606 Override definition in arm.h with a value of 8.
3608 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
3610 * c-pragma.c (push_alignment): Don't check the return value
3613 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
3615 * sparc.h (ADJUST_COST): Fix thinko.
3617 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
3619 * cccp.c (rescan): Fixed obp pointer handling around call to
3620 check_expand subroutine.
3622 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
3624 * gcse.c (delete_null_pointer_checks): Only record non-null info
3625 for pseudos when examining stores.
3627 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
3628 splitters for these patterns. Use "#" for output templates.
3629 (addsi3_carryin_shift): New pattern.
3631 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
3633 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
3634 of the function return register into a plain REG until
3635 after function inlining is done.
3637 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
3639 * jump.c (jump_optimize_1): If we did cross-jumping, and
3640 the data will matter, rebuild the CFG.
3641 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
3642 not optimizing. Don't run shorten_branches.
3643 * toplev.c (rest_of_compilation): Run shorten_branches after
3646 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
3648 * rtl.h (note_stores): Add additional paramter.
3649 * rtlanal.c (reg_set_p_1): Take additional paramter.
3650 (reg_set_last_1): Likewise.
3651 (reg_set_p): Adjust call to note_stores.
3652 (reg_set_last): Likewise.
3653 (note_stores): Pass data parameter to worker function.
3654 * alias.c (record_set): Take additional parameter.
3655 (init_alias_analysis): Pass it.
3656 * caller-save.c (mark_set_regs): Take additional parameter.
3657 (save_call_clobbered_regs): Pass NULL to note_stores.
3658 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
3660 (record_dead_and_set_regs_1): Likewise.
3661 (reg_dead_at_p_1): Likewise.
3662 (combine_instructions): Adjust calls to note_stores.
3663 (try_combine): Likewise.
3664 (record_dead_insn): Remove.
3665 (record_dead_and_set_regs): Adjust calls to note_stores.
3666 (reg_dead_at_p): Likewise.
3667 * cse.c (invalidate_skipped_set): Take additional parameter.
3668 (cse_check_loop_start): Likewise.
3669 (cse_check_loop_start_value): Remove.
3670 (cse_set_around_loop): Adjust calls to note_stores.
3671 * flow.c (notice_stack_pointer_modification): Take additional
3672 parameter. Remove duplicate declaration.
3673 (record_volatile_insns): Adjust calls to note_stores.
3674 * gcse.c (record_set_info): Take additional parameter.
3675 (record_last_set_info): Likewise.
3676 (invalidate_nonnull_info): Likewise.
3677 (record_set_insn): Remove.
3678 (compute_sets): Adjust calls to note_stores.
3679 (last_set_insn): Remove.
3680 (compute_hash_table): Adjust calls to note_stores.
3681 (insert_insn_end_bb): Likewise.
3682 (delete_null_pointer_checks): Likewise.
3683 * global.c (mark_reg_store): Take additional parameter.
3684 (mark_reg_clobber): Likewise.
3685 (reg_becomes_live): Likewise.
3686 (global_conflicts): Adjust calls to note_stores.
3687 (build_insn_chain): Likewise.
3688 * integrate.c (note_modified_parmregs): Take additional parameter.
3689 (mark_stores): Likewise. Make it static.
3690 (save_for_inline_nocopy): Adjust calls to note_stores.
3691 (try_constants): Likewise.
3692 * integrate.h (mark_stores): Remove declaration.
3693 * jump.c (mark_modified_reg): Take additional parameter.
3694 (thread_jumps): Adjust calls to note_stores.
3695 * local-alloc.c (validate_equiv_mem_from_store): Take additional
3697 (no_equiv): Likewise.
3698 (reg_is_set): Likewise.
3699 (validate_equiv_mem): Adjust calls to note_stores.
3700 (update_equiv_regs): Likewise.
3701 (block_alloc): Likewise.
3702 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
3703 (note_addr_stored): Take additional parameter.
3704 (note_set_pseudo_multiple_uses): Likewise.
3705 (record_initial): Likewise.
3706 (prescan_loop): Adjust calls to note_stores.
3707 (strength_reduce): Likewise.
3708 (check_dbra_loop): Likewise.
3709 * regmove.c (flags_set_1): Take additional paramter.
3710 (mark_flags_life_zones): Adjust calls to note_stores.
3711 * reload1.c (mark_not_eliminable): Take additional parameter.
3712 (forget_old_reloads_1): Likewise.
3713 (reload_cse_invalidate_rtx): Likewise.
3714 (reload_cse_check_clobber): Likewise.
3715 (reload_combine_note_store): Likewise.
3716 (move2add_note_store): Likewise.
3717 (reload): Adjust calls to note_stores.
3718 (reload_as_needed): Likewise.
3719 (emit_reload_insns): Likewise.
3720 (reload_cse_regs_1): Likewise.
3721 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
3722 (reload_combine): Adjust calls to note_stores.
3723 * resource.c (update_live_status): Take additional paramter.
3724 (mark_target_live_regs): Adjust calls to note_stores.
3725 * stupid.c (find_clobbered_regs): Take additional parameter.
3726 (stupid_life_analysis): Adjust calls to note_stores.
3728 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
3730 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
3733 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
3736 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
3737 of the variable arm_structure_size_boundary.
3739 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
3741 * alias.c (init_alias_analysis): Allocate reg_known_value and
3742 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
3744 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
3745 * cse.c (cse_main): Call end_alias_analysis.
3746 * haifa-sched.c (schedule_insns): Likewise.
3747 * local-alloc. (update_equiv_regs): Likewise.
3748 * reload1.c (reload_cse_regs): Likewise.
3750 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3752 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
3753 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
3754 mapping from MASK_FPU.
3756 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
3758 * sparc.md (call): Don't bound structure return size to 0xfff.
3760 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
3762 * resource.c (mark_target_live_regs): Check that the target
3763 insn wasn't created after compute_bb_for_insn.
3765 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
3767 * ggc-page.c (poison_pages): Don't be overzealous.
3769 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
3771 * alias.c: Update comments for ADDRESS.
3772 (nonlocal_reference_p): Look inside the ADDRESS to determine if
3773 it is a local memory reference.
3775 * c-typeck.c (build_function_call): Check that the built-in
3776 function is of class BUILT_IN_NORMAL before trying to recongize
3778 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
3779 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
3781 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
3783 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
3785 (pre_gcse): Likewise.
3786 (hoist_expr_reaches_here_p): Likewise.
3787 (hoist_code): Likewise.
3788 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
3790 (pre_expr_reaches_here_p_work): ... here.
3791 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
3793 (expr_reaches_here_p_work): ... here.
3795 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
3797 * resource.c (find_basic_block): Delete.
3798 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
3799 (init_resource_info): Call compute_bb_for_insn.
3801 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
3803 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
3804 with already adjacent blocks, but no fallthru.
3805 (merge_blocks_move_successor_nojumps): Simplify.
3806 (debug_flow_info): New.
3808 * toplev.c (rest_of_compilation): Open jump1 dump file before
3809 jump and close after, as opposed to just using dump_rtl.
3811 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3813 * reload.h (earlyclobber_operand_p): Declare.
3814 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
3815 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3816 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
3817 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
3819 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
3820 Richard Henderson <rth@cygnus.com>
3822 * emit-rtl.c (emit_block_insn_before): New.
3823 (emit_block_insn_after): New.
3824 * basic-block.h: Declare them.
3826 * bitmap.h: Protect from multiple inclusion.
3828 * recog.c (scratch_operand): Handle VOIDmode correctly.
3830 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
3832 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
3833 * function.c (assign_parms): Likewise.
3834 * global.c (global_conflicts): Clarify STACK_REGS commentary.
3836 * reg-stack.c (max_uid): Remove.
3837 (blocks, block_begin, block_end, block_drops_in): Remove.
3838 (block_stack_in, block_out_reg_set, block_number): Remove.
3839 (struct block_info_def, BLOCK_INFO): New.
3840 (enum emit_where): New.
3841 (current_block): New.
3842 (BLOCK_NUM): Remove.
3843 (mark_regs_pat, record_label_references): Remove.
3844 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
3846 (goto_block_pat, print_blocks, dump_stack_info): Remove.
3847 (reg_to_stack): Simplified test for existance of fp code. Use
3848 flow.c code. Call shorten_branches after cross-jump opt.
3849 (check_asm_stack_operands): Renamed from record_asm_reg_life.
3850 Return false if the asm doesn't use stack regs. Don't do life
3851 analysis on the asm.
3852 (emit_pop_insn): Replace function pointer arg `when' with
3853 enum `where'. Update all callers.
3854 (change_stack): Likewise. Update basic block end.
3855 (emit_swap_insn): Use current_block->head to limit reverse search
3856 for start of block. Use emit_block_insn_after.
3857 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
3858 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
3859 structure assignment instead of bcopy.
3861 (convert_regs_entry, convert_regs_exit): New.
3862 (convert_regs_1, convert_regs_2): Split out from convert_regs.
3863 Work on basic blocks and the CFG.
3864 (convert_regs): Use them.
3866 * i386.c (output_fix_trunc): Remove code for DImode input operand
3867 not at top-of-stack.
3868 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
3870 (fix_truncdi_1): Allow any mode scratch.
3872 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
3874 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
3875 * linux.h, netbsd.h, vms.h: Not here.
3877 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
3879 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
3880 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
3881 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
3882 CONDITIONAL_REGISTER_USEAGE): Use them.
3883 * config/mips/mips.c (mips_move_1word,mips_move_2words,
3884 gen_conditional_branch,override_options) : Use them.
3885 * config/mips/mips.md : Use them.
3887 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
3889 * i386.md (zero_extendqihi2): Use SImode register name with andl.
3891 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
3893 * integrate.c (function_cannot_inline_p): Don't allow inlining
3896 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3898 * c-parse.in (cast_expr): Constify.
3900 * cccp.c (special_symbol): Likewise.
3902 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
3904 * dwarf2out.c (base_type_die): Likewise.
3906 * global.c (allocno_compare): Likewise.
3908 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
3910 * regclass.c (fix_register): Likewise.
3912 * rtl.h (fix_register): Likewise.
3914 * stupid.c (stupid_reg_compare): Likewise.
3916 * toplev.c (decode_f_option): Likewise.
3918 * tree.c (build_complex_type): Likewise.
3920 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
3922 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
3924 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3926 * reload.c (find_reloads): Compute mode and nregs fields of all
3928 * reload1.c (calculate_needs_all_insns): Simplify a bit.
3929 (calculate_needs): Use precomputed mode/nregs values.
3930 (allocate_reload_reg): Likewise.
3932 (failed_reload, set_reload_reg): ... new functions.
3933 (choose_reload_regs_init): New function, mostly broken out from...
3934 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
3935 Also lose one #if 0 block.
3937 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
3939 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
3942 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
3944 * tree.h (BLOCK_TYPE_TAGS): Remove.
3945 (BLOCK_END_NOTE): Likewise.
3946 (BLOCK_LIVE_RANGE_FLAG): Likewise.
3947 (BLOCK_LIVE_RANGE_START): Likewise.
3948 (BLOCK_LIVE_RANGE_END): Likewise.
3949 (tree_block): Remove live_range_flag, live_range_var_flag, and
3950 type_tags. Remove end_note, live_range_start, and live_range_end.
3951 (remember_end_note): Remove prototype.
3952 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
3953 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
3955 * ggc-common.c (ggc_mark_tree_children): Don't mark
3956 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
3957 * integrate.c (adjust_copied_decl_tree): Remove.
3958 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
3959 * stmt.c (last_block_end_note): Remove.
3960 (init_stmt): Don't add a GC root for it.
3961 (expand_fixup): Don't set it.
3962 (remember_end_note): Remove.
3963 (expand_end_bindings): Don't set last_block_end_note.
3965 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3967 * reload1.c (reload_reg_free_for_value_p): Show
3968 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
3971 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
3973 * expmed.c (extract_bit_field): Allow for the case of non-integer
3974 objects that are smaller than a word (like SFmode on a 64-bit
3977 * loop.c (basic_induction_var): A non-integer variable which is
3978 being set by a paradoxical subreg is probably not a biv.
3980 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3982 * prefix.c (translate_name) Check for empty prefix string.
3984 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
3986 * Makefile.in (CPP_CROSS_NAME): New variable.
3987 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
3989 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
3990 names of the files to be uninstalled.
3992 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
3994 * collect2.c (IS_DIR_SEPARATOR): Define.
3995 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
3997 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
4000 * haifa-sched.c (add_dependence): Update the true dependency
4001 cache the first time we add a true dependence to the LOG_LINKS chain.
4003 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
4005 * fold-const.c (fold): Fix comment.
4007 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4009 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
4010 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
4011 dbxout_start_new_source_file, dbxout_source_file,
4012 dbxout_source_line, dbxout_finish, dbxout_type_fields,
4013 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
4015 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
4016 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
4017 (dbxout_block): Initialize variable `blocknum'.
4019 * dbxout.h (dbxout_init, dbxout_finish,
4020 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
4021 dbxout_args, dbxout_source_line): Constify a char*.
4023 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
4024 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
4025 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
4026 low_pc_attribute, high_pc_attribute, body_begin_attribute,
4027 body_end_attribute, comp_dir_attribute, sf_names_attribute,
4028 src_info_attribute, mac_info_attribute, producer_attribute,
4029 lookup_filename, generate_macinfo_entry, fundamental_type_code,
4030 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
4031 dwarfout_undef): Constify a char*.
4032 (add_incomplete_type, retry_incomplete_types): Add prototypes.
4034 * dwarfout.h (dwarfout_define, dwarfout_undef,
4035 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
4037 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
4039 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
4040 (MULTILIB_ISA_DEFAULT): New.
4041 (MULTILIB_DEFAULTS): Use it.
4042 * config/mips/mips.c (): Remove the now unnecessary definition
4043 of MIPS_ISA_DEFAULT.
4044 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
4045 unnecessary definition.
4047 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
4049 * arm.md (pic_load_addr): Add constraints to operand 1.
4051 1999-10-25 Bruce Korb <autogen@linuxbox.com>
4053 * fixinc/genfixes: Provide a means for specifying -D options to
4056 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
4058 * arm.c (arm_override_options): Correct initialization of
4059 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
4060 arm_is_strong, and arm_is_6_or_7.
4062 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
4063 (note_set_pseudo_multiple_uses): New function.
4064 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
4065 if a pseudo set in the loop exit is used elsewhere.
4067 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
4069 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
4071 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
4073 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
4074 a single load-address pattern.
4076 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
4078 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
4079 depending on whether or not line-number notes are present.
4081 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4083 * cccp.c (progname, file_buf, default_include, include_file,
4084 macrodef, definition, hashval, wchar_type, user_label_prefix,
4085 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
4086 expand_to_temp_buffer, is_system_include, base_name,
4087 absolute_filename, read_name_map, open_include_file,
4088 record_control_macro, check_precompiled, check_preconditions,
4089 pcfinclude, pass_thru_directive, create_definition,
4090 check_macro_name, comp_def_part, collect_expansion,
4091 check_assertion, read_token_list, assertion_install,
4092 assertion_lookup, eval_if_expression, conditional_skip,
4093 validate_else, skip_quoted_string, quote_string, macarg1,
4094 error_from_errno, install, lookup, hashf, dump_defn_1,
4095 perror_with_name, pfatal_with_name, main, trigraph_pcp,
4096 check_white_space, rescan, handle_directive, monthnames,
4097 special_symbol, do_include, remap_include_file, write_output,
4098 arglist, do_assert, do_unassert, do_line, do_error, do_once,
4099 do_ident, do_sccs, do_xifdef, skip_if_group,
4100 output_line_directive, macroexpand, macarg, change_newlines,
4101 initialize_builtins, make_definition): Constify a char*.
4103 * pcp.h (stringdef): Likewise.
4105 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
4107 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
4110 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
4111 Richard Henderson <rth@cygnus.com>
4113 * alias.c: Include ggc.h.
4114 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
4115 (record_set): Verify enough room in reg_base_value.
4116 (init_alias_analysis): Allocate reg_base_value with xcalloc.
4117 Register it as a GC root.
4118 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
4119 * Makefile.in (alias.o): Depend on ggc.h.
4121 * unroll.c (unroll_loop): Verify the insn before a barrier
4122 is a JUMP_INSN before checking JUMP_LABEL.
4124 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4126 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
4127 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
4128 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
4129 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
4130 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
4131 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
4133 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4135 * output.h (ctors_section, dtors_section, bss_section): Prototype.
4137 * alpha/alpha-interix.h (text_section): Delete prototype.
4138 * alpha/elf.h (text_section): Likewise.
4139 * arm/linux-elf.h (text_section): Likewise.
4140 * arm/linux-telf.h (text_section): Likewise.
4141 * c4x/c4x.h (text_section): Likewise.
4142 * dsp16xx/dsp16xx.h (bss_section): Likewise.
4143 * elfos.h (text_section): Likewise.
4144 * i386/aix386ng.h (text_section): Likewise.
4145 * i386/i386-interix.h (text_section): Likewise.
4146 * i386/sco5.h (text_section): Likewise.
4147 * i386/svr3gas.h (text_section): Likewise.
4148 * nextstep.h (text_section): Likewise.
4149 * psos.h (text_section): Likewise.
4150 * ptx4.h (text_section): Likewise.
4151 * svr3.h (text_section): Likewise.
4152 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
4154 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4156 * final.c (peephole): Delete prototype.
4158 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
4159 (pre_insert_copies): Remove unused variable `bb'.
4161 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
4164 * output.h (peephole): Add prototype.
4166 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
4168 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
4171 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
4173 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
4174 for inlined declarations.
4176 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
4178 * arm.c (logical_binary_operator): New fucntion.
4179 * arm.h (logical_binary_operator): Declare it.
4180 (PREDICATE_CODES): Handle logical_binary_operator.
4181 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
4182 output constraints. Add appropriate splitters.
4183 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
4184 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
4185 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
4187 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4189 * genoutput.c (struct operand_data): New elt eliminable.
4190 (output_operand_data): Write it.
4191 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
4192 (compare_operands): Take it into account.
4193 * recog.h (struct insn_operand_data): New elt eliminable.
4194 * reload1.c (check_eliminable_occurrences, elimination_effects): New
4196 (old_asm_operands_vec, new_asm_operands_vec): Delete.
4197 (eliminate_regs): Move code that detects changes to elimination
4198 target regs into new function elimination_effects.
4199 Delete one #if 0 block.
4200 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
4201 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
4202 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
4203 Only call eliminate_regs for real operands of the insn, not for parts
4204 of its structure or parts matched by things like match_operator.
4205 Use elimination_effects and check_eliminable_occurrences. Use
4206 copy_insn to duplicate the pattern when not in the final pass.
4208 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
4210 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
4213 1999-10-22 Bruce Korb <autogen@linuxbox.com>
4215 * fixinc/README: document the "mach" machine matching test
4216 * fixinc/fixfixes.c: Implement the #else/#endif label fix
4217 * fixinc/fixtests.c: Implement the #else/#endif label test
4218 * fixinc/inclhack.def: utilize these tests and fixes
4219 * fixinc/inclhack.sh: regen
4220 * fixinc/fixincl.x: regen
4221 * fixinc/fixincl.sh: regen
4223 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
4225 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
4228 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
4230 * gcc.1: Document exit codes.
4232 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4234 * calls.c: Include tm_p.h later, so everything we need is defined.
4236 * function.c: Likewise.
4238 * except.c: Include tm_p.h.
4240 * sparc.c: Likewise.
4241 (dwarf2out_cfi_label): Don't prototype.
4242 (check_return_regs, epilogue_renumber,
4243 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4244 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
4245 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
4246 ultra_schedule_insn): Add static prototype.
4247 (data_segment_operand, text_segment_operand): Call itself with the
4248 proper number of arguments.
4249 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
4251 * sparc.h: Move all declarations to sparc-protos.h.
4252 (SELECT_RTX_SECTION): Pass a missing MODE argument to
4255 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
4257 * config/svr4.h (text_section, ctors_section, dtors_section): Add
4259 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
4260 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4261 ASM_OUTPUT_ASCII): Constify a char*.
4263 * sparc-protos.h: New file for sparc prototypes.
4265 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4267 * function.c (record_insns, contains): Always declare and define.
4268 (record_insns): Mark with ATTRIBUTE_UNUSED.
4270 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4272 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
4273 to .section when outputting a .bss section to deal with multiple
4274 .bss input sections (as happens with -fdata-sections)
4275 Also output %progbits, not @progbits so the assembler doesn't treat as
4277 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
4279 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
4280 thumb parts even when building with non-thumb CPUs, by forcing
4283 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
4285 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
4286 (movdf_const_intreg_sp64): Similarly.
4288 * local-alloc.c (update_equiv_regs): Check the correct insn
4289 for pre-existing REG_EQUIV notes.
4291 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
4293 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
4294 block reached by a branch if we're not going to actually process
4297 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
4299 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
4300 a local extern function declaration.
4302 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
4304 * i386.c (ix86_expand_prologue): Properly wrap USE around
4305 reg for CALL_INSN_FUNCTION_USAGE.
4307 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
4309 * config/mips/mips.md (movdf_internal1a): Allow floating-point
4310 move between GP_REGs.
4312 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
4314 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
4315 the mode size when finding out if an offset is legal.
4317 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
4319 * basic-block.h (PROP_*): Move constants from ...
4321 (compute_bb_for_insn): Free the array before reallocating.
4322 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
4323 (allocate_reg_life_data): Reset all reg variables collected by
4325 (get_block_head_tail): Don't convert from bb to block.
4326 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
4327 (find_insn_reg_weight): Take block not bb.
4328 (schedule_block): Don't set block num for moved insns.
4329 (schedule_region): Don't update_life_info or find_insn_reg_weight.
4330 (schedule_insns): Do it here instead.
4331 * combine.c (combine_instructions): Invoke compute_bb_for_insn
4332 before update_life_info.
4333 * recog.c (split_all_insns, peephole2_optimize): Update for
4334 new arg to update_life_info.
4335 * rtlanal.c (remove_note): Cope with NULL note.
4336 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
4339 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
4341 * jump.c (jump_optimize_1): More accurately detect casesi insns.
4343 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
4344 block records so that merge_blocks_nomove will clean up correctly.
4345 (split_edge): Handle casesi insns.
4347 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
4349 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
4351 * pa.md (call, call_value): Do not emit a blockage after restoring
4354 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
4356 * c-typeck.c (c_expand_asm_operands): Fix typo.
4358 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4360 * arm.c (fpu_rhs_operand): Verify modes.
4361 (fpu_add_operand): Likewise.
4362 (di_operand): Likewise.
4363 (soft_df_operand): Likewise.
4365 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
4367 * arm.c (arm_return_in_memory): APCS rules state that the elements
4368 of a structure returned in a register must be 'integer-like'.
4370 1999-10-19 Bruce Korb <autogen@linuxbox.com>
4372 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
4373 in the source tree when the generated targets are out of date
4374 * fixinc/genfixes: Alter it to run individual fixes for make.
4375 * fixinc/README: rewrite
4376 * fixinc/inclhack.def: moved initial comments to README
4378 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
4380 * toplev.c (main): Do not generate an error message if an
4381 unrecognised command line switch is recognisable by another
4382 language. If extra_warnings are enabled, then generate a
4383 warning message instead.
4385 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
4387 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
4388 (insert_pack_attributes): Delete prototype.
4390 * c-pragma.c (default_alignment): New static variable.
4391 (push_alignment): Initialize to current effective alignment.
4392 (pop_alignment): Use to set new alignment.
4393 (insert_pack_attributes): Delete function.
4394 (handle_pragma_token): Set default_alignment as well each time
4395 a #pragma pack(<n>) is encountered.
4397 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
4399 * reg-stack.c (stack_result): Aggregates are not returned in
4402 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
4404 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
4406 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
4408 * basic-block.h (set_block_num): Declare.
4409 * flow.c (update_life_info): Don't call compute_bb_for_insn
4410 or free_basic_block_vars.
4411 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
4412 (insn_orig_block): Remove.
4413 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
4414 (schedule_block): Keep BLOCK_NUM up-to-date.
4415 (schedule_insns): Use compute_bb_for_insn.
4416 * recog.c (split_all_insns): Likewise.
4417 (peephole2_optimize): Likewise.
4419 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
4421 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
4422 if the pic register is used.
4424 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4426 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
4427 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
4428 if that tests TREE_PERMANENT.
4430 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
4432 * cse.c (invalidate_for_call): Do not remove memory references from
4433 the table here. It's handled elsewhere.
4435 * haifa-sched.c (add_dependence): Protect references to the
4436 true dependency cache with #ifdef INSN_SCHEDULING.
4437 (remove_dependence): Similarly.
4439 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
4440 to the cfg code that this is a return instruction.
4441 * mn10300.md (return_internal): Similarly.
4443 * combine.c (get_last_value): If the last set of a register
4444 is after subst_low_cuid, then we can not use it to determine
4445 the register's last value.
4447 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4449 * Makefile.in: Back out previous change.
4451 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
4453 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
4455 * haifa-sched.c (add_dependence): Only check/update the cache
4457 (remove_dependence): Likewise.
4458 (schedule_insns): Only create the true_dependency_cache if the
4459 average number of instructions in a basic block is very large.
4461 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4463 * Makefile.in (ggc-common.o): Depend on genrtl.h.
4464 (ggc-simple.o): Likewise.
4465 (ggc-page.o): Likewise.
4467 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
4469 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
4470 Prototype for exported functions.
4471 (pre_lcm, pre_rev_lcm): Remove prototypes.
4472 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
4473 (compute_available): Move to lcm.c, and change parameter order.
4474 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
4475 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
4476 (gcse_main): No longer call compute_preds_succs. Rebuild the
4477 set table after reach pre pass.
4478 (pre_insert_map, pre_delete_map, edge_list): New.
4479 (alloc_pre_mem): Allocate edge vectors.
4480 (free_pre_mem): Delete edge vectors.
4481 (compute_pre_data): Call new edge based lcm routines.
4482 (process_insert_insn): New function.
4483 (insert_insn_end_bb): Use it.
4484 (pre_edge_insert): New function.
4485 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
4487 (pre_insert_copies): Revamp using new edge based lcm outputs.
4488 (pre_delete): Likewise.
4489 (one_pre_gcse_pass): Insert & remove fake edges to the exit
4491 (compute_code_hoist_vbeinout): New new edge based routines.
4492 * lcm.c: Remove all the old LCM functions. Replace with new ones
4493 that work with the new cfg datastructures and work with edges
4496 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4498 * reload.h (struct reload): Add new fields "mode" and "nregs".
4499 * reload1.c: Change all occurrences of reload_mode and reload_nregs
4500 to reference the "mode" and "nregs" field within struct reload.
4502 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
4504 * haifa-sched.c (true_dependency_cache): New.
4505 (add_dependence): Use the true dependency cache to avoid expensive
4506 walks down the LOG_LINKS dependency list. Add entries to the
4508 (remove_dependence): Remove entries from the true dependency cache
4510 (schedule_insns): Allocate and initialize and free the true
4513 * haifa-sched.c (schedule_insns): Do not remove inter-block
4514 dependencies anymore.
4516 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
4518 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
4519 * i386/t-winnt: Likewise.
4521 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
4523 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
4525 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
4527 * Makefile.in (LANGUAGES): Omit "proto".
4528 (clean): Remove stale comment about removing unprotoize.c.
4530 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4532 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
4533 using arithmetic on void pointers.
4535 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
4537 * haifa-sched.c (compute_block_forward_dependencies): Only check
4538 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
4540 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
4542 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
4543 (expr_equiv_p): Reject memories with different alias sets.
4545 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
4547 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
4548 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
4549 (f_options): Add "bounded-pointers" and "bounds-check" entries.
4550 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
4551 (lang_init): Set default for flag_bounds_check if still "unspecified".
4553 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4555 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
4557 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4559 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
4562 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4564 * config/c4x/c4x.md (*db_noclobber,
4565 *decrement_and_branch_until_zero_noclobber): New patterns and
4566 associated splitters.
4568 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4570 * config/c4x/c4x.md (parallel instruction patterns): Rework
4571 constraints to keep reload happy.
4573 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4575 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
4576 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
4577 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
4578 Add new patterns and associated post-reload splitters.
4580 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4582 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
4584 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4586 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
4588 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
4590 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4592 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
4595 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
4597 * pa.c (move_operand): Rely on memory_address_p to determine the
4598 validity of non-indexed memory addresses.
4599 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
4600 operand in DFmode and SFmode when generating PA2.0 code.
4602 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
4604 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
4606 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
4608 * mips.c (function_prologue): Fix argument types.
4609 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
4610 (casesi_internal): Write to the scratch register.
4612 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
4614 * cppexp.c (cpp_parse_escape): Make static. Change second arg
4616 (parse_charconst): Delete unnecessary cast when calling
4618 (cpplib.h): Kill prototype of cpp_parse_escape.
4620 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
4622 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
4623 * unroll.c (unroll_loop): Cast return value of alloca.
4624 * i370/i370.c: Include function.h and toplev.h.
4625 (i370_label_scan): Remove c++ commented abort.
4626 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
4627 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
4628 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
4629 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
4631 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
4633 * config/t-freebsd: Do not override USER_H.
4634 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
4636 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
4637 Mumit Khan <khan@xraylith.wisc.edu>
4639 * c-parse.in (component_decl): Support anonymous struct/union.
4641 * c-parse.y: Regenerate.
4642 * c-parse.c: Likewise.
4643 * objc/objc-parse.y: Likewise.
4644 * objc/objc-parse.c: Likewise.
4645 * c-decl.c (finish_struct): Don't sort the fields.
4646 (field_decl_cmp): Delete unused function.
4648 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
4650 * sparc.md (movsf_const_intreg): Revert last constraint change.
4651 (movdf_const_intreg_sp32): Likewise.
4653 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
4655 * cse.c: Include hashtab.h instead of splay-tree.h
4656 (struct cse_reg_info): No longer use variant union. Add new
4657 field "regno". All references changed to avoid union.
4658 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
4659 (free_cse_reg_info): Remove.
4660 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
4661 (get_cse_reg_info): Revamp to use expandable hash tables instead
4662 of splay trees. Initialize new fields in cse_reg_info structure.
4663 (new_basic_block): Similarly.
4665 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
4667 * genrecog.c (message_with_line): Prototype.
4668 (validate_pattern): Pass along the set for the dest, not a flag.
4669 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
4670 Check for PC/CC0 as sources.
4671 (nodes_identical): Check for children position match before
4672 allowing the combination.
4674 * rtl.c (read_rtx): Track line number across \\\n.
4676 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
4678 * mips.h (SPECIAL_MODE_PREDICATES): New.
4679 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
4680 (movdi+1, movsi+1): Add output reload constraint.
4681 (casesi_internal): Likewise. Fix commentary.
4682 (return_internal): Use pmode_register_operand.
4684 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
4686 * 1750a.md (movstrqi): Add missing output reload constraint.
4687 (call_value): Likewise.
4688 * a29k.md (cpxxx patterns): Add missing match_operator mode.
4689 (jmpfdec): Add missing inout reload constraint.
4690 * elxsi.md (addsi patterns): Add missing output reload constraint.
4691 (move from sp): Use @ alternates.
4692 (call_value): No constraint on output.
4693 * fr30.md (movsi_pop): Add missing output reload constraint.
4694 (movsf_constant_store): Likewise.
4695 (splits): Remove constraints.
4696 (subsi3): Add missing mode.
4697 * i370.md (cmpstrsi+1): Add missing output reload constraint.
4698 (call_value): Likewise.
4699 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
4700 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
4701 * m32r.md (movsicc_internal): Add output reload constraint.
4702 (movstrsi_internal): Add inout reload constraints.
4703 * m88k.h (reg_names): Don't declare.
4704 (SPECIAL_MODE_PREDICATES): New.
4705 * m88k.md (*): Use register_operand not reg_or_0_operand
4707 * mn10200.h (PREDICATE_CODES): New.
4708 * ns32k.md (ffs pattern): Add output reload constraint.
4709 * pdp11.md (sob pattern): Add inout reload constraint.
4710 * sh.md (splits): Remove constraints.
4711 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
4712 * v850.md (pattern_is_ok_for_epilogue): Likewise.
4713 * vax.md (jgequ pattern): Add inout reload constraint.
4715 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
4717 * configure.in (djgpp): Revert previous patch.
4718 * configure: Rebuit.
4719 * config/i386/djgpp.h: Revert previous patch.
4721 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
4723 * fixinc/inclhack.def: Restore patch lost during last merge of
4724 "no_bogosity" branch.
4725 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
4727 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
4729 * fixincludes: Add a HPUX 11 fix for inttypes.h.
4730 * fixinc/inclhack.def: Same.
4731 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
4733 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
4735 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
4736 as the base of a PLUS.
4738 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4740 * config/c4x/c4x.md: Define mode for remaining unspec operators.
4741 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
4743 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
4745 * pa.md (post_stw+1): Use pmode_register_operand.
4746 (dcacheflush, icacheflush): Likewise.
4748 * i386.md (movstricthi_1): Allow r/r.
4750 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
4752 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
4753 to (not (and (arg0) (arg1))). Similary for and.
4755 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
4756 fallthrough to associate code.
4757 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
4760 * combine.c (simplify_logical): Convert XOR to IOR if operands have
4761 no bits in common; remove XOR to ROTATE conversion.
4763 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4765 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
4767 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4769 * config/c4x/c4x.c (dst_operand): New.
4770 (PREDICATE_CODES): Update.
4771 * config/c4x/c4x.h (dst_operand): Declare it.
4772 * config/c4x/c4x.md: Define mode for each unspec usage.
4773 (move patterns): Use dst_operand predicate instead of src_operand.
4774 (movqi_update, movqf_update): Delete.
4776 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
4778 * recog.c (pmode_register_operand): New.
4779 * recog.h: Declare it.
4780 * genrecog.c (pred_codes): Likewise.
4781 (special_mode_pred_table): Likewise.
4782 (validate_pattern): Don't warn no mode for address_operand.
4784 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
4785 if the operand is not insn-like.
4787 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
4788 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
4790 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
4792 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
4794 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
4795 instead of general_operand in a SET_DEST. Use const_double_operand
4796 instead of an explicit test against CONST_DOUBLE.
4797 (movsf_const_lo): Add missing register mode.
4798 (goto_handler_and_restore): Add auxiliary test for Pmode.
4799 (flush): Adjust to use address_operand.
4800 (return_sf_no_fpu): Add missing output constraint.
4802 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
4804 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
4805 for call return value.
4806 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
4808 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
4810 * toplev.c (main): Only warn about options for other languages.
4811 * collect2.c (main): Pass -w to sub-gcc.
4813 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
4815 * flow.c (propagate_block): Add call-clobbered registers to
4818 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
4819 zapping mem_set_list.
4820 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
4821 (mark_set_1, mark_used_regs): Likewise.
4823 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
4825 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
4827 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4829 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
4830 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
4831 options. Also add a new item "C-only Warning Options" to the
4834 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
4836 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
4837 from multiple calls.
4839 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
4841 * i386.md (call value patterns): Move to the end of the file.
4842 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
4844 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
4846 * configure.in (djgpp configuration): Define extra_objects..
4847 * configure: Rebuilt.
4848 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
4849 (DTORS_SECTION_ASM_OP): Define.
4850 (INIT_SECTION_ASM_OP): Define.
4851 (FINI_SECTION_ASM_OP): Define.
4852 (DATA_SECTION_ASM_OP): Define.
4853 (TEXT_SECTION_ASM_OP): Define.
4854 (EH_FRAME_SECTION_ASM_OP): Define.
4855 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
4856 (STARTFILE_SPEC): Add crtbegin.o.
4857 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
4858 to here from LINK_COMMAND_SPEC.
4859 (DO_GLOBAL_CTORS_BODY): Define.
4860 (CRTSTUFF_USE_FINI_SECTION): Define
4861 (HAS_INIT_SECTION): Delete.
4863 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
4865 * Makefile.in (all.cross): Depend on xcpp$(exeext).
4867 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
4869 * pa.h (PREDICATE_CODES): New.
4871 * genrecog.c (validate_pattern): Condense the destination
4874 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
4876 * alpha.md (call-1): Supply missing mode for operator.
4877 (*): Add missing output reload constraints. Remove constraints
4880 * i386.h (SPECIAL_MODE_PREDICATES): New.
4881 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
4882 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
4883 (addsi_lea_3): Add missing mode for op 3.
4884 (prologue_set_got, prologue_get_pc): Add missing modes.
4885 (*) Add missing output reload constraints.
4887 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
4889 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
4890 check for member bit-size overflow and use var_size if it occurs.
4891 (layout_record): Use bitsize_int() to define the type size in bits.
4892 Likewise for computation and assignment to DECL_FIELD_BITPOS.
4893 (layout_decl): Likewise when assigning to DECL_SIZE.
4895 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
4897 * genrecog.c (validate_pattern): Typo last change. Verify
4898 that output operands have output reloads.
4900 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
4902 * genrecog.c (special_mode_pred_table): New.
4903 (NUM_SPECIAL_MODE_PREDS): New.
4904 (find_operand): New.
4905 (validate_pattern): New argument `insn'. Warn for assignment to
4906 any predicate accepting non-lvalues. Conditionaly warn for
4907 match_operand without a mode. Try much harder to match source
4908 and destination modes on a set.
4909 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
4911 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
4913 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
4915 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
4917 * combine.c (simplify_logical): Recognize xor pattern that encodes
4920 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4922 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
4925 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
4927 * ggc-page.c (MAP_FAILED): Provide default.
4929 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
4931 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
4932 * sparc.h (PREDICATE_CODES): Update.
4934 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
4936 * alpha.c (some_ni_operand): New.
4937 * alpha-protos.h: Declare it.
4938 * alpha.h (PREDICATE_CODES): Update.
4939 * alpha.md (sXaddq reload insns): Use some_ni_operand
4940 for SET_DEST instead of some_operand.
4942 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
4943 Jim Wilson <wilson@cygnus.com>
4945 * genrecog.c (maybe_both_true_2): Don't compare modes of
4947 (process_tree): Elide peephole2_insns. Invoke simplify_tests
4948 after find_afterward.
4949 (debug_decision_1): Dump next and afterward codes.
4951 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
4953 * rtl.c (dump_and_abort): Remove.
4954 (fatal_with_file_and_line): New.
4955 (fatal_expected_char): New.
4956 (read_rtx_lineno, read_rtx_filename): New.
4957 (read_skip_spaces): Track line number.
4958 (read_name): Use fatal_with_file_and_line.
4959 (read_rtx): Use fatal_expected_char. Track line number.
4960 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
4962 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
4963 if it isn't a CODE_LABEL.
4965 * genattr.c (main): Set read_rtx_filename.
4966 * genattrtab.c (main): Likewise.
4967 * gencodes.c (main): Likewise.
4968 * genconfig.c (main): Likewise.
4969 * genemit.c (main): Likewise.
4970 * genextract.c (main): Likewise.
4971 * genflags.c (main): Likewise.
4972 * genopinit.c (main): Likewise.
4973 * genoutput.c (main): Likewise.
4974 * genpeep.c (main): Likewise.
4976 * genrecog.c (decision_test.u.insn): Add `lineno'.
4977 (pattern_lineno, error_count): New variables.
4978 (message_with_line): New.
4979 (add_to_sequence): Break out checking code to ...
4980 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
4981 (merge_insn): Use message_with_line.
4982 (make_insn_sequence): Use validate_pattern. Record insn lineno.
4983 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
4985 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4987 * expr.c (store_constructor): Clear union if constructor is empty.
4989 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
4991 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
4992 Add !endian checks. Change %{...} to %(...).
4994 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
4996 * i386.md (*addsi3_cc): Renamed from addcsi3.
4997 (*addsi3_carry): Renamed from addxsi3.
4998 (*subsi3_cc): Renamed from subcsi3.
4999 (*subsi3_carry): Renamed from subxsi3.
5000 (*xorqi_cc_1): Renamed from xorcqi_1.
5001 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
5002 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
5004 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
5006 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
5007 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
5009 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
5011 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
5012 climb up the chain of insns.
5014 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
5016 * genrecog.c (write_subroutine): Careful for null trees.
5017 (process_tree): Don't elide empty functions.
5019 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
5021 * Makefile.in (genrtl.o): Depend on ggc.h.
5022 * configure.in (valloc): Probe for it.
5023 (with-gc): Use ggc-page if valloc present.
5024 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
5025 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
5026 (ggc_alloc_string): Moved from ggc-page.c.
5027 * ggc-none.c (ggc_alloc_obj): New.
5028 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
5029 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
5030 (struct globals): Likewise for dev_zero_fd.
5031 (init_ggc): Likewise for it's initialization.
5032 (ggc_allocated_p): Move careful dereference from ...
5033 (ggc_lookup_page_table): ... here. Delete.
5034 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
5035 (alloc_anon): Use valloc if no mmap.
5036 (release_pages): Use free if using valloc.
5037 (ggc_alloc_obj): Renamed from alloc_obj.
5038 (ggc_set_mark): Renamed from mark_obj.
5039 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
5040 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
5041 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
5042 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
5043 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
5044 (ggc_collect): Use fp printing instead of our own rounding.
5045 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
5046 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
5047 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
5048 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
5049 (struct ggc_string, struct ggc_any): Delete.
5050 (offsetof): Provide default definition.
5051 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
5053 (struct ggc_mem): New, from corpse of ggc_any.
5054 (struct ggc_status): Delete.
5055 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
5056 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
5057 (n_strings_collected, n_anys_collected): Delete.
5058 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
5059 (ggc_alloc_string, ggc_alloc): Delete.
5060 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
5061 (ggc_free_string, ggc_free_any): Delete.
5062 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
5063 (ggc_compare_addresses, ggc_mark_string): Delete.
5064 (ggc_mark_string_if_gcable, ggc_mark): Delete.
5065 (search_data): Delete.
5066 (struct globals): New.
5067 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
5068 (tree_insert, tree_lookup): New.
5069 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
5070 (clear_marks, sweep_objs): New.
5071 (ggc_collect): Gut. Use clear_marks, sweep_objs.
5072 (init_ggc): Set allocated_last_gc.
5073 (ggc_push_context): Gut. Use G.context.
5074 (ggc_pop_context): Likewise.
5075 (ggc_pop_context_1): New.
5076 (debug_ggc_tree): New.
5077 (debug_ggc_balance, tally_leaves): New.
5078 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
5079 (ggc_mark_string_if_gcable): Remove decl.
5080 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
5081 (ggc_mark_rtvec_children): New.
5082 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
5083 (ggc_mark_if_gcable): New decl.
5084 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
5085 (ggc_alloc_tree, ggc_alloc): Likewise.
5086 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
5087 (ggc_alloc_obj): New decl.
5088 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
5089 (ggc_alloc_tree, ggc_alloc): Likewise.
5090 (ggc_set_mark): New decl.
5091 * rtl.h (struct rtx_def): Remove gc_mark.
5092 (struct rtvec_def): Likewise.
5093 * tree.h (struct tree_common): Likewise.
5095 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
5097 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
5098 float_format and thread_file definitions.
5099 * configure: Rebuilt.
5101 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
5103 * extend.texi (Function Names): Document types of function names.
5105 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5107 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
5108 an earlyclobbered output conflict with RELOAD_INPUT reloads.
5110 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5112 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
5114 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5116 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
5118 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
5120 * collect2.c (main): Do prelimnary link on AIX if rflag.
5122 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5124 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
5125 __CTOR_LIST__ in opposite order, which is the correct order for sorted
5127 (__do_global_dtors): similarly for __DTOR_LIST__.
5129 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5130 Diego Novillo <dnovillo@cygnus.com>
5132 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
5135 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
5137 * fixincl/*: Merged "no_bogosity" branch
5138 * fixincl/fixlib.h: protect against doubly defining t_bool
5139 * fixincl/server.h: protect against doubly defining t_bool
5141 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
5143 * genoutput.c: Include toplev.h.
5145 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
5147 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5149 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
5150 * configure: Regenerate.
5152 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
5154 * gcse.c (delete_null_pointer_checks): Returns void.
5156 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5158 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
5159 * emit-rtl.c (copy_insn_1): Likewise.
5161 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5163 * config/mips/mips.c (mips_build_va_list): Correct
5164 TREE_CHAIN setting when hard-float.
5165 (mips_va_start): Use corrected setting.
5166 (mips_va_arg): Likewise. Also pass a tree to build of
5167 POSTINCREMENT_EXPR rather than a naked 'int'.
5169 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
5171 * ggc.h (ggc_push_context): Fix comment.
5172 (ggc_pop_context): Likewise.
5173 (mark_string_if_gcable): Likewise.
5174 * ggc-common.c (ggc_mark_rtx_children): Use
5175 ggc_mark_string_if_gcable.
5176 * ggc-page.c (ggc_lookup_page_table): New function.
5177 (ggc_allocated_p): Likewise.
5178 (mark_obj): Fix formatting.
5179 (ggc_mark_string_if_gcable): New function.
5180 * ggc-simple.c (ggc_allocated_strings): New variable.
5181 (ggc_strings_used): Likewise.
5182 (ggc_compare_addresses): New function.
5183 (ggc_pop_context): Pop the `any' memory too.
5184 (ggc_mark_string_if_gcable): New function.
5185 (ggc_collect): Initialize and tear down ggc_allocated_strings.
5187 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
5189 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
5190 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
5191 * rs6000.c (expand_block_move): Match movstrsi_?reg register
5194 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
5196 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
5197 (sched_reg_live_length, sched_reg_basic_block): Delete.
5198 (current_block_num, bb_live_regs, old_live_regs): Delete.
5199 (dead_notes, struct sometimes): Delete.
5200 (sched_note_set, birthing_insn_p): Delete.
5201 (adjust_priority): Gut useless reg lifetime code.
5202 (create_reg_dead_note, attach_deaths): Delete.
5203 (attach_deaths_insn, new_sometimes_live): Delete.
5204 (finish_sometimes_live): Delete.
5205 (find_pre_sched_live, find_post_sched_live): Delete.
5206 (update_reg_usage): Delete.
5207 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
5208 (schedule_insns): Delete reg lifetime code.
5209 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
5210 (unlink_other_notes): Adjust REG_NOTE commentary.
5211 (reemit_notes): Use REG_SAVE_NOTE.
5212 (schedule_block): Likewise.
5213 (schedule_region): Allocate bitmap of blocks in region. Use
5214 count_or_remove_death_notes. Use update_life_info.
5216 * rtl.h (REG_SAVE_NOTE): New.
5217 * rtl.c (reg_note_name): Update.
5219 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
5221 * combine.c (refresh_blocks, need_refresh): New.
5222 (combine_instructions): Allocate refresh_blocks. Invoke
5223 update_life_info if needed.
5224 (distribute_notes): Mark refresh_blocks instead of installing
5226 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
5227 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
5229 * Makefile.in (recog.o): Depend on basic-block.h.
5231 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
5233 * genrecog.c (add_to_sequence): Thinko last change: delete
5234 shadowing allow_const_int variable.
5236 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5238 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
5239 __GNUC__ and __GNUC_MINOR__.
5241 * gansidecl.h: Likewise.
5247 * toplev.h: Likewise.
5253 * varray.c: Likewise.
5255 * varray.h: Likewise.
5257 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5259 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
5260 use one before a jump table.
5262 * rtl.def (ADDRESS): Change documentation to match reality.
5263 * md.texi: Don't document it.
5264 * gmicro.md (load address pattern): Use 'p' constraint, delete use
5267 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
5269 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
5271 * genrecog.c (add_to_sequence): Move allow_const_int test outside
5272 known predicate block; default allow_const_int true.
5273 (debug_decision_list): New.
5275 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
5277 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
5279 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
5281 * gcse.c (gcse_main): Avoid global optimizations if we have a
5282 large number of basic blocks and the ratio of edges to blocks
5284 (delete_null_pointer_checks): Likewise.
5286 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
5288 * c-common.c (check_format_info): Warn if format string isn't a
5291 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5293 * configure.in (arm*-*-*): Don't let autoconf remove brackets
5294 * configure: regenerate
5296 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
5298 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
5299 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
5300 (peepholes): Re-enable.
5302 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
5304 * Makefile.in (flow.o): Depend on TREE_H.
5305 * basic-block.h (REG_SET_EQUAL_P): New.
5308 (free_regset_vector): Remove declaration.
5309 (flow_delete_insn_chain): Declare.
5310 (enum update_life_extent): New.
5311 (update_life_info, count_or_remove_death_notes): Declare.
5312 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
5313 Verify register live at bb->global_live_at_start before adding USE.
5314 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
5315 (CLEAN_ALLOCA): New.
5317 (PROP_*): New flags.
5318 (find_basic_blocks_1): Use alloc_EXPR_LIST.
5319 (clear_edges): Zero n_edges.
5320 (make_edge): Increment n_edges.
5321 (split_edge): Don't allocate bb->local_set. Increment n_edges.
5322 (flow_delete_insn_chain): Export.
5323 (delete_block): Decrement n_edges.
5324 (merge_blocks_nomove): Likewise.
5325 (life_analysis): Give life_analysis_1 PROP flags.
5326 (verify_wide_reg_1, verify_wide_reg): New.
5327 (verify_local_live_at_start): New.
5328 (update_life_info): Rewrite to call into propogate_block.
5330 (mark_regs_live_at_end): After reload, if epilogue as rtl,
5331 always mark stack pointer. Conditionally mark PIC register.
5332 After reload, mark call-saved registers, return regsiters.
5333 (life_analysis_1): Accept PROP flags not remove_dead_code.
5334 Call mark_regs_live_at_end before zeroing regs_ever_live.
5335 Use calculate_global_regs_live. Copy global_live_at_end before
5336 calling final propagate_block. Zero reg_next_use on exit.
5337 (calculate_global_regs_live): New.
5338 (allocate_bb_life_data): Don't allocate bb->local_set.
5339 (init_regset_vector, free_regset_vector): Remove.
5340 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
5341 Test flags before every operation. Warn if prologue/epilogue insn
5342 would have been deleted.
5343 (mark_set_regs, mark_set_1): Accept and use FLAGS.
5344 Use alloc_EXPR_LIST.
5345 (mark_used_regs): Accept and use FLAGS, not FINAL.
5346 Remove special handling for RETURN.
5347 (try_pre_increment): Use alloc_EXPR_LIST.
5348 (dump_flow_info): Dump n_edges.
5349 (unlink_insn_chain, split_hard_reg_notes): Remove.
5350 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
5351 (find_insn_with_note, new_insn_dead_notes): Remove.
5352 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
5353 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
5354 (replace_insns): Remove.
5355 (count_or_remove_death_notes): New.
5356 (verify_flow_info): Abort on error after all checks.
5357 (remove_edge): Decrement n_edges.
5358 (remove_fake_edges): Tweek format.
5359 * haifa-sched.c (schedule_insns): Use split_all_insns.
5360 * output.h (update_life_info): Remove declaration.
5361 * recog.c (split_all_insns): From the corpse of split_block_insns,
5362 do the whole function block by block. Use update_life_info.
5363 (recog_last_allowed_insn): New.
5364 (recog_next_insn): Mind it.
5365 (peephole2_optimize): Set it. Walk backwards through blocks.
5366 Use update_life_info.
5367 * rtl.h (update_flow_info, replace_insns): Remove declarations.
5368 (split_all_insns): Declare.
5369 * toplev.c (rest_of_compilation): Thread prologue before flow2.
5370 Use split_all_insns.
5372 * i386.md (or -1 peep2s): Disable.
5374 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
5376 * config/mips/mips.md (movstrsi+[123]) : Combine these into
5377 a single pattern. Scrap the 'd' versions as unnecessary.
5379 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
5380 tablejump_mips162,tablejump_internal4): The operands to a
5381 label_ref must be VOIDmode.
5383 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5385 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
5387 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5389 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
5391 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5393 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
5394 cache every function if ggc_p.
5396 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5398 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
5399 instead of copy_rtx. Accept sequences that contain asm statements.
5400 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
5401 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
5402 orig_asm_operands_vector, copy_asm_operands_vector,
5403 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
5405 * rtl.h (copy_insn, copy_insn_1): Declare.
5407 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5409 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
5411 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
5412 arguments to `current_file_function_operand'.
5414 * genrecog.c: Include hard-reg-set.h and resource.h in the
5415 generated output file.
5417 * real.c: Include tm_p.h.
5419 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5421 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
5424 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
5426 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
5427 before the fctiwz insn.
5429 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5430 Mark Mitchell <mark@codesourcery.com>
5432 * tree.c (make_lang_type_fn): New funtion pointer.
5433 (make_lang_type): Call it.
5434 * tree.h (make_lang_type): Declare.
5435 (make_lang_type_fn): Likewise.
5436 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
5438 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
5440 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
5441 make sure that HIGH instructions are copied into BASE_REGS.
5443 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
5445 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
5447 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
5449 * c-decl.c (finish_struct): Use simpler method of
5450 removing elements of a singly-linked list.
5452 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
5454 * alpha.md (peephole2's): Comment out peephole2's that generate
5457 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
5459 * genrecog.c (add_to_sequence): Disable mode check for
5462 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5464 * ggc-simple.c (init_ggc): Set empty_string.
5466 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
5468 * configure.in: Detect mmap. Add --with-gc=foo to select
5469 garbage collector; default to page if mmap available.
5470 * Makefile.in (GGC): Substitute.
5472 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
5474 * c-decl.c (ggc_p): Enable.
5476 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5478 * flow.c (verify_flow_info): Make it extern & unconditionally define.
5480 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
5482 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
5483 string for little-endian-data.
5485 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
5487 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
5488 case somebody tries to compile --enable-checking code with gcc
5491 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
5493 * genrecog.c (add_to_sequence): Verify operand to label_ref is
5496 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
5498 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
5499 * jump.c (jump_optimize_1): Document why.
5501 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5503 * collect2.c (scan_prog_file, scan_libraries): Prototype function
5504 pointers and casts for `int_handler' and `quit_handler'.
5506 * flow.c (verify_flow_info, split_hard_reg_notes,
5507 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
5508 remove_edge, remove_fake_successors): Add static prototypes.
5509 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
5510 (mark_set_1): Initialize variable `regno'.
5511 (unlink_insn_chain): Likewise for variable `curr'.
5512 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
5514 * loop.c (strength_reduce): Initialize variable
5515 `unrolled_insn_copies'.
5516 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
5517 prototypes. Change these functions to take const PTR parameters
5518 to avoid prototype conflict when used as the comparson argument
5520 (check_dbra_loop): Initialize variable `comparison_val'.
5522 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
5523 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
5524 (find_valid_class): Initialize variable `best_class'.
5525 (find_reloads): Call memcpy, not bcopy.
5527 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
5528 (hard_reg_use_compare): Don't needlessly cast away const.
5529 (reload_reg_class_lower): Likewise.
5530 (choose_reload_regs): Initialize variable `regno'.
5532 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
5534 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
5536 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
5538 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
5539 ({,d}discard): Add forward declarations. Declare parameter as
5541 (main_without_main): Explicitly declare return type to be int.
5542 (memcpy): Properly declare.
5544 * libgcc2.c (toplevel): If inhibit_libc is defined and not
5545 building the trampoline support, declare malloc, free, and
5547 (__clear_cache): Mark arguments as potentially unused.
5549 * frame.c (toplevel): If inhibit_libc is defined, declare
5552 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
5554 * flow.c (make_edge): Accept an optional 2D bitmap in which
5555 to cache edge existence. Update all callers.
5556 (make_label_edge, make_eh_edge): Pass through the edge cache.
5557 (make_edges): Provide the cache.
5559 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5561 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
5563 (local_mbtowc): Change the type of variable `i' from int to size_t.
5565 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
5566 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
5568 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
5570 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
5571 after other includes that define the appropriate types. Include
5572 tm_p.h for getting user prototypes.
5573 * ggc-callbacks.c (toplevel): Ditto.
5574 * ggc-none.c (toplevel): Ditto.
5575 * gcc-page.c (toplevel): Ditto.
5576 * ggc-simple.c (toplevel): Ditto.
5578 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
5579 Jonathan Larmour <jlarmour@cygnus.co.uk>
5581 * config/mips/mips.c (mips_move_2words): Split doubles if
5582 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
5584 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
5586 * genrecog.c (struct decision_test): New.
5587 (struct decision): Remove test-related members, sort the rest by size.
5588 (IS_SPLIT): Simplify.
5589 (new_decision, new_decision_test): New.
5590 (add_to_sequence): Use them. No special handling for args of
5592 (maybe_both_true): Renamed from not_both_true; return sense changed.
5593 (maybe_both_true_1, maybe_both_true_2): New. Broken out
5594 of maybe_both_true and adjusted for decision_test.
5595 (position_merit): Remove.
5596 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
5597 (merge_accept_insn): New, broken out of merge_trees.
5598 (merge_trees): Use them. No special case for c_test; no node
5599 splitting; use test type instead of position_merit.
5600 (factor_tests): New.
5601 (simplify_tests): New.
5602 (break_out_subroutines): Don't write code now.
5603 (find_afterward): New.
5604 (write_afterward, write_switch, write_cond): New.
5605 (write_action, is_unconditional): New.
5606 (write_node): New. Use them.
5607 (write_tree_1): Rewrite. Use the new functions above.
5608 (write_tree): Remove afterward processing.
5609 (write_subroutine): Simplify function variant emission.
5610 (write_subroutines): New.
5611 (same_codes, clear_codes): Remove.
5612 (same_modes, clear_modes): Remove.
5613 (write_header): New, broken out of main.
5614 (make_insn_sequence): Use new_decision and new_decision_test.
5615 (process_tree): New, broken out of main.
5616 (main): Adjust for merge_trees interface change.
5617 Don't #define operands in the output file.
5618 (record_insn_name): New, broken out of make_insn_sequence.
5619 (debug_decision_2, debug_decision_1, debug_decision_0): New.
5620 (debug_decision): New.
5622 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
5624 * resource.c (find_free_register): Mark class_str argument const.
5625 * resource.h: Update prototype to match.
5627 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
5628 * i386.md: Give all anonymous insns names.
5630 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
5632 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
5635 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
5637 * toplev.c (dbr_sched_time): Unconditional.
5638 (peephole2_time): New.
5639 (compile_file): Add pass numbers to all of the dump file suffixes.
5640 Dump peephole2_time. Don't dump times for non-applicable passes.
5641 (rest_of_compilation): Add pass numbers to dump file suffixes.
5642 Conditionalize calls to the scheduler.
5643 * invoke.texi: Update.
5645 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
5647 * flow.c (make_edges): Fix insn iteration.
5648 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
5649 (find_basic_blocks_1): Fix spelling mistake.
5651 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
5653 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
5654 always have side-effects. Use memset not bzero.
5655 (make_node): Likewise.
5657 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
5659 * stmt.c (expand_anon_union_decl): When any of the elements of the
5660 union is addressable, so is the entire union.
5662 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
5664 * sbitmap.c (sbitmap_ones): Don't set too many bits.
5666 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
5667 * bitmap.c (bitmap_operation): Return true iff TO changed.
5668 (bitmap_equal_p): New.
5669 (bitmap_bit_p): Tidy arithmetic.
5670 (debug_bitmap_file): Likewise.
5672 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
5674 * toplev.c (rest_of_compilation): Turn on cse_not_expected
5675 before cse2 instead of after.
5677 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
5679 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
5682 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5684 * cppinit.c (is_idchar initializer): Loosen tests to accept
5687 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
5689 * mips.md: Define conditional move patterns for floating point
5690 operands and DI mode conditions.
5692 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
5694 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
5695 always have side-effects.
5697 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
5699 * mn10200.c (asm_file_start): Fix typo.
5701 * cppinit.c (is_idchar initializer): Tighten tests for when
5702 to put the table into initialized memory.
5704 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
5705 not an array of rtunion.
5706 * gcc-page.c (ggc_alloc_rtvec): Similarly.
5707 * gcc-simple (ggc_free_rtvec): Similarly.
5709 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
5712 * mbchar.h: Add missing #endif.
5714 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
5715 (FPBIT, DPBIT): Define.
5717 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5719 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
5721 * profile.c (instrument_arcs, output_gcov_string,
5722 tablejump_entry_p): Add static prototypes.
5723 (output_gcov_string): Constify a char*.
5725 * regmove.c (replacement_quality, fixup_match_2): Add static
5728 * resource.h (reg_dead_p): Add extern prototype.
5730 * rtl.c (trim_filename): Add static prototype.
5732 * scan-decls.c (skip_to_closing_brace): Likewise.
5734 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
5735 (expand_end_case): Initialize variable `range'.
5736 (emit_case_nodes): Remove unused prototype `rtx_fn'.
5738 * varasm.c (asm_emit_uninitialised): Add static prototype.
5739 (asm_emit_uninitialised, assemble_variable): Mark parameter with
5742 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5744 * cpplib.c (if_directive_nameo): Add static prototype.
5746 * cse.c (cse_insn): Remove unused variable `p'.
5748 * except.c (create_rethrow_ref, push_entry,
5749 receive_exception_label, new_eh_region_entry, find_func_region,
5750 clear_function_eh_region, process_nestinfo): Add static prototypes.
5751 (get_reg_for_handler): Hide definition.
5752 (process_nestinfo): Initialize variable `extra_handlers'.
5754 * expr.h (expand_builtin_longjmp): Add extern prototype.
5756 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
5758 * function.c (prepare_function_start): Likewise.
5759 (pop_function_context_from): Mark parameter `context' with
5761 (push_temp_slots_for_block, flush_addressof): Hide definition.
5763 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
5764 solve_program_flow_graph, calculate_branch_probs,
5765 function_summary, main, fancy_abort): Add prototypes.
5767 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
5768 (add_hash): Constify a char*.
5770 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
5771 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
5772 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
5774 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
5776 * lists.c (free_list, zap_lists): Likewise.
5778 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5780 * alias.c (nonlocal_reference_p): Add static prototype.
5782 * bitmap.c (bitmap_element_allocate): Prototype args in function
5785 * builtins.c (stabilize_va_list): Add static prototype.
5786 (expand_builtin_va_arg): Constify a char*.
5788 * c-lex.c (getch, put_back, extend_token_buffer_to,
5789 read_line_number, token_getch, token_put_back): Add static
5792 * c-parse.gperf (hash, is_reserved_word): Likewise.
5794 * cccp.c (is_dir_separator): Likewise.
5796 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5798 * graph.h: New file to prototype functions exported by graph.c.
5800 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
5802 * graph.c: Include graph.h.
5804 * toplev.c: Likewise. Remove redundant prototypes.
5806 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
5808 * invoke.texi: Removed duplicated description for -Q.
5810 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
5812 * extend.texi: Grammar fix in __extension__ text.
5814 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
5816 * md.texi (define_peephole2): New section.
5818 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
5820 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
5821 (mov $-1 to or peepholer): Enable for pentium when optimizing for
5824 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
5826 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
5828 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
5830 * i386.md (ffs expander): Emit Pentium friendly code for
5833 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
5835 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
5839 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5841 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
5843 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
5845 * config/m68k/m68k.c (use_return_insn): Return false if the pic
5848 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5850 * md.texi (No Constraints): Delete section.
5851 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
5852 * final.c (final_scan_insn): We always have register constraints.
5853 * genattrtab.c: Don't include "insn-config.h".
5854 (write_attr_case): We always have register constraints.
5855 * genconfig.c (register_constraint_flag): Delete.
5856 (walk_insn_part): Don't check whether we have register constraints.
5857 (main): Don't write out "#define REGISTER_CONSTRAINTS".
5858 * genoutput.c (have_constraints): Delete.
5859 (main): Don't set it.
5860 (output_operand_data): We always have constraints.
5861 (scan_operands): Likewise.
5862 (compare_operands): Likewise.
5863 * local-alloc.c (block_alloc): We always have constraints.
5864 (requires_inout): Always compile this function.
5865 * recog.c (extract_insn): We always have constraints.
5866 (constrain_operands, reg_fits_class_p): Always compile these
5868 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
5870 (struct insn_operand_data): Likewise.
5871 * regclass.c (regclass): We always have constraints.
5872 (record_reg_classes, copy_cost, record_address_regs,
5873 auto_inc_dec_reg_p): Always compile these functions.
5874 * regmove.c (regmove_optimize): We always have constraints.
5875 * reload.c (find_reloads): Likewise.
5876 * reload1.c (reload): Likewise.
5877 (reload_cse_simplify_operands): Likewise.
5878 * i860.c (output_delay_insn): Likewise.
5880 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
5882 * iris6.h (BUILD_VA_LIST_TYPE): Define.
5884 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5886 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
5887 for the va_list record.
5889 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
5891 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
5894 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
5896 * alias.c: Include insn-flags.h.
5897 * Makefile.in (alias.o): Update.
5899 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
5901 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
5902 to LTU and GEU. Handle more cases using sbb.
5904 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
5906 * i386.md (truncatexfdf splitters): Do not use subreg.
5907 (fop XFmode patterns): Fix mode in operand testing.
5909 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
5911 * jump.c (jump_optimize_1): Amend last change to test only the
5912 form of the operand, not the insn.
5914 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
5915 not register_operand to determine when B may need preloading.
5917 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
5919 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
5920 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
5921 (call-value patterns): Move to end of file.
5922 (*): Remove mode from label_ref in (pc) context.
5923 (movstrqi): Use memory not general_operand for BLKmode operands.
5924 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
5925 to register_operand operands.
5926 (peep2 patterns): Convert from commented-out peephole patterns.
5928 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5930 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
5931 to BUILT_IN_INIT_DWARF_REG_SIZES.
5932 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
5933 Renamed from BUILT_IN_DWARF_REG_SIZE; call
5934 expand_builtin_init_dwarf_reg_sizes.
5935 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
5936 with __builtin_init_dwarf_reg_size_table.
5937 * dwarf2out.c (struct reg_size_range): Delete.
5938 (expand_builtin_init_dwarf_reg_sizes): New function.
5939 (expand_builtin_dwarf_reg_size): Delete.
5940 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
5941 (expand_builtin_dwarf_reg_size): Don't declare.
5942 * libgcc2.c (dwarf_reg_size_table_initialized): New.
5943 (dwarf_reg_size_table): New.
5944 (init_reg_size_table): New function.
5945 (copy_reg): Use dwarf_reg_size_table.
5946 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
5949 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
5951 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
5952 Correctly build argument list to constructor and destructor functions.
5954 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
5956 * c-tree.h (warn_float_equal): Declare.
5957 * c-decl.c (warn_float_equal): Define.
5958 (c_decode_option): Recognize -W[no-]float-equal.
5959 * c-typeck.c (build_binary_op): Conditionally warn
5960 about equality tests of floating point types.
5961 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
5962 * invoke.texi: Add docs for -Wfloat-equal warning.
5964 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
5966 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
5967 generating RTL directly.
5968 * mips.h (INIT_TARGET_OPTABS): Likewise.
5969 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
5971 * expr.h (init_mov_optab): Delete declaration
5973 * h8300.c (WORD_REG_USED): Update to avoid useless register
5974 saves in interrupt functions and functions which never return.
5976 * cse.c (struct set): Delete inner_dest_loc field.
5977 (cse_insn): Remove assignments to inner_dest_loc field.
5979 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
5981 * ggc-page.c: Don't include <unistd.h> etc taken care of
5982 by "system.h". Include <sys/mman.h> afterward.
5984 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
5986 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
5989 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
5991 * xcoffout.c (xcoffout_declare_function): Add documentation.
5992 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
5993 TARGET_64BIT. Compare constant to -1, not bit pattern.
5994 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
5995 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
5998 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
6000 * dwarf2out.c (add_abstract_origin_attribute): Abort if
6002 (gen_inlined_enumeration_type_die): Do not abort if the type has
6003 not been writeen out.
6004 (gen_inlined_structure_type_die): Do not abort if the type has
6005 not been writeen out.
6006 (gen_inlined_union_type_die): Do not abort if the type has
6007 not been writeen out.
6008 (gen_tagged_type_instantiation_die): Do not abort if the type
6009 has not been written out.
6011 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6013 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
6015 * reg-stack.c (straighten_stack): Copy hard reg set with
6018 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
6020 * builtins.c (stabilize_va_list): Stabilize array type va_list
6021 to a pointer type, not the base record type.
6022 (expand_builtin_va_copy): Dereference the pointers explicitly;
6023 use the correct size for the copy.
6025 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
6026 (rs6000_va_arg): Likewise.
6028 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
6030 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
6032 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
6034 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
6036 (DECL_BUILT_IN_CLASS): Adjust accordingly.
6038 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
6040 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
6041 (init_ggc): Use it instead of a constant.
6042 (ggc_collect): Bound allocated_last_gc by it.
6044 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
6046 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
6049 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
6051 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
6052 (mips*-*-openbsd*): Let big endian configuration be a fragment.
6054 * config/mips/openbsd.h: New, OpenBSD little endian target.
6055 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
6056 * config/mips/xm-openbsd.h: New, OpenBSD host.
6058 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
6060 * config/m68k/m68k.c (output_function_prologue,
6061 output_function_epilogue): Use
6062 current_function_uses_pic_offset_table instead of regs_ever_live
6063 to decide whether to save/restore pic register.
6064 (legitimize_pic_address): Don't modify regs_ever_live any more.
6066 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
6068 * function.h (struct function): Add x_dont_save_pending_sizes_p.
6069 * stor-layout.c (variable_size): Don't add sizes to the pending
6070 sizes list if x_dont_save_pending_sizes_p is set.
6072 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
6074 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
6075 for symbolic_operand().
6076 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
6078 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6080 * combine.c (gen_rtx_combine): Add missing call to va_end().
6082 * final.c (asm_fprintf): Likewise.
6084 * genattrtab.c (attr_rtx): Likewise.
6086 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
6088 * cse.c: Update comments.
6089 (cse_insn): When converting a conditional/computed jump into
6090 an unconditional jump, always make sure a BARRIER immediately
6091 follows the converted jump. Do not delete unreachable code.
6092 (cse_basic_block): Do not delete unreachable code.
6093 * toplev.c (rest_of_compilation): Move call to
6094 delete_trivially_dead_insns after the conditional call to
6097 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6099 * collect2.c (make_temp_file): Don't prototype.
6101 * gcc.c (make_temp_file): Likewise.
6103 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
6105 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
6107 * varasm.c (asm_emit_uninitialised): New function: Generate
6108 the assembler statements necessary to declare an uninitialised
6110 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
6112 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
6113 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
6115 (assemble_variable): Use asm_emit_uninitialised to emit an
6116 uninitialised variable.
6118 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
6120 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
6121 constant on a 64 bit host. Patch supplied by Geoffrey Keating
6122 <geoffk@cygnus.com>.
6124 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6126 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
6127 * c-common.h (builtin_function): Don't declare.
6129 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
6131 (pushdecl): Likewise.
6132 (finish_decl): Likewise.
6133 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
6134 int. All callers changed.
6135 Set the builtin's DECL_BUILT_IN_CLASS.
6136 * tree.h (enum built_in_class): New.
6137 (enum built_in_function): Delete NOT_BUILT_IN.
6138 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
6140 (DECL_SET_FUNCTION_CODE): Likewise.
6141 (DECL_BUILT_IN_CLASS): New macro.
6142 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
6143 (struct tree_decl): Split builtin function code field into a
6145 (builtin_function): Declare.
6147 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
6149 * optabs.c (init_traps): Fix typo in last change.
6151 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
6153 * toplev.c (rest_of_decl_compilation): Update comment.
6155 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6157 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
6158 in .sbss if appropriate.
6159 (EXTRA_SECTION_FUNCTIONS): Add sbss.
6160 (SBSS_SECTION_ASM_OP): New macro.
6161 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
6162 (EXTRA_SECTIONS): Add in_sbss.
6163 * config/mips/mips.h: Prototype sbss_section.
6165 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
6167 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
6170 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
6172 * optabs.c (init_traps): Register trap_rtx as a GC root.
6174 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6176 * config/mips/mips.c (function_arg_pass_by_reference): Define
6177 unconditionally, since it's called unconditionally.
6179 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6181 * toplev.c (documented_lang_options): Add -fshort-wchar.
6182 * c-decl.c (c_decode_option): Likewise.
6183 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
6185 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
6186 * gcc.c (default_compilers): If -fshort-wchar,
6187 override __WCHAR_TYPE__.
6188 * tm.texi (C Dialect Options): Add -fshort-wchar.
6190 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
6191 symbol for a variable.
6193 * cpplib.h (CPP_PREPROCESSED): New macro.
6194 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
6195 we're seeing this input for a second time.
6197 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
6199 * emit-rtl.c (init_emit_once): Initialize modes first.
6201 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
6203 * config/i386/i386.c (pic_label_name): Change to char pointer.
6204 (global_offset_table): New variable.
6205 (load_pic_register): Fill global_offset_table if it hasn't
6206 already been done. Allocate pic_label_name dynamically.
6207 * ggc.h (empty_string): New variable.
6208 * ggc-simple.c (empty_string): Likewise.
6209 (init_ggc): Allocate empty_string and add as root.
6210 * stmt.c (digit_strings): New variable.
6211 (init_stmt): Add last_block_end_note as root. Allocate and
6212 initialize digit_strings.
6213 (expand_asm_operands): Use empty_string instead of string
6214 constant. Use digit_strings instead of string constants.
6215 * profile.c (init_arc_profiler): Allocate string with
6216 ggc_alloc_string instead of xmalloc.
6217 (output_func_start_profiler): Likewise.
6218 * c-typeck.c (digest_init): Check if init is error_mark_node.
6220 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
6221 Richard Henderson <rth@cygnus.com>
6223 * ggc-page.c: New file.
6224 * Makefile.in (ggc-page.o): New.
6226 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
6228 * invoke.texi: Document -fdelete-null-pointer-checks
6229 * toplev.c (flag_delete_null_pointer_checks): New.
6230 (f_options): Add entry for -fdelete-null-pointer-checks.
6231 (rest_of_compilation): Conditionalize null pointer check
6232 elimination on flag_delete_null_pointer_checks.
6233 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
6235 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
6237 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
6238 copyright notice and special exception to GPL.
6240 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6242 * abi64.h (mips_function_value): Add prototype arguments.
6244 * mips-protos.h: New file with mips prototypes.
6246 * mips.c: Include "tm_p.h".
6247 (mktemp, lookup_name): Add prototype arguments.
6248 (extern_list, string_constant, mips_fill_delay_slot,
6249 mips_output_external, mips_output_external_libcall,
6250 mips_output_filename, mips_declare_object, function_prologue,
6251 mips_expand_prologue, function_epilogue, mips16_constant,
6252 build_mips16_function_stub, mips_output_conditional_branch):
6254 (mips_va_start): Remove unused variable `u'.
6255 (mips_va_arg): Cast value to unsigned when comparing against one.
6257 (save_restore_insns, mips_expand_prologue): Add missing arg in
6258 call to `large_int'.
6260 * mips.h: Move prototypes to mips-protos.h.
6261 (data_section, memory_address_p, rdata_section,
6262 readonly_data_section, simple_epilogue_p, text_section): Delete
6263 prototypes delcared elsewhere.
6264 (mips_epilogue_delay_slots, print_options): Delete unused decls.
6266 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
6268 * mips.md: Delete extra args in call to `mips_move_2words'.
6270 * xm-iris6.h (alloca): Add prototype argument.
6272 * genpeep.c: Include "tm_p.h" in generated output file.
6274 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6276 * basic-block.h (find_edge_index): Change parameters.
6277 * flow.c (verify_edge_list): Pass basic_block parameters to
6278 find_edge_index instead of integers.
6280 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
6282 * combine.c (simplify_comparison): Use an unsigned shift to adjust
6285 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
6287 * gcc.1: Fix a formatting error.
6289 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6291 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
6292 i786, mn10200, mn10300, pdp11, v850.
6294 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
6296 * libgcc2.c (num_digits): Add prototype with
6297 __attribute__((const)).
6298 (__terminate): Add prototype.
6300 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
6302 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
6304 * alpha/alpha.c (print_operand): Fix type of `code'.
6305 (alpha_output_filename): Constify.
6306 * alpha/alpha.h: Move all function declarations ...
6307 * alpha/alpha-protos.h: ... here. New file.
6308 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
6309 (SECTION_FUNCTION_TEMPLATE): Likewise.
6311 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6313 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
6314 * expr.c (expand_expr): Likewise.
6315 (do_jump): Likewise.
6316 (do_store_flag): Pass ccp_store_flag to can_compare_p.
6317 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
6319 (enum can_compare_purpose): New.
6320 (can_compare_p): Adjust prototype.
6321 (prepare_cmp_insn, prepare_operand): Declare.
6322 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
6323 * optabs.c (cmp_available_p): Deleted.
6324 (expand_abs): Pass ccp_jump to can_compare_p.
6325 (can_compare_p): New arg PURPOSE. Check for combined optabs.
6326 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
6327 Call can_compare_p rather than cmp_available_p.
6328 (prepare_operand): No longer static.
6329 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
6330 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
6331 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
6332 sequence to use emit_cmp_and_jump_insns.
6333 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
6335 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
6337 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
6338 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
6339 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
6340 (plus (reg) (const_int 0))
6341 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
6343 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
6345 * rs6000.c (expand_block_move): DImode loads and stores require
6346 word-aligned displacements. Increment address registers with
6347 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
6349 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
6351 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
6352 is no name for the base type, rather than segfault. If we are
6353 writing out a complex integer type, use DW_ATE_lo_user.
6355 * expr.c (emit_move_insn_1): If we are copying a complex that fits
6356 in one word or less (complex char, complex short, or on 64 bit
6357 systems complex float) to/from a hard register, copy it through
6358 memory instead of dying in gen_{real,imag}part. If we have a
6359 short complex type, prevent inlining since it allocates stack
6362 * tree.c (build_complex_type): If we are writing dwarf2 output,
6363 generate a name for complex integer types.
6365 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6367 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
6368 * flow.c (remove_edge): Remove extra whitespace.
6369 (remove_fake_edges): Fix comment.
6370 (add_noreturn_fake_exit_edges): Use the correct name.
6372 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
6374 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
6375 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
6376 (clean): Depend on INTL_CLEAN.
6377 (maintainer-clean): Adjust.
6379 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6381 * configure.in (AC_PREREQ): Bump to 2.13.
6382 (AC_C_STRINGIZE): Call this instead of using a custom macro.
6384 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
6386 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
6388 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
6390 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
6391 (HAVE_STRINGIZE): Define.
6393 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
6395 * c-parse.in: save and restore warn_pointer_arith on __extension__
6396 along with pedantic.
6397 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
6398 Set the type of extension to itype rather than $<itype>1 kludge.
6399 * extend.texi (Alternate Keywords): Adjust documentation.
6400 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
6402 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
6404 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
6405 most assembler templates.
6407 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
6408 FP loads and stores.
6409 (following_call): Always return zero for the PA8000.
6410 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
6411 FP loads and stores.
6412 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
6414 * pa.h (BRANCH_COST): Define.
6416 * pa.md (return, return_internal): Use bve for PA2.0.
6418 * pa.md (fused multiply): Add variants which reduce height for the
6419 fused multiply, but which still generate 2 insns.
6420 (fnegabs): Similarly.
6422 * pa.md (subsi3): Turn into an expander. Create two anonymous
6423 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
6424 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
6426 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
6428 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
6430 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
6431 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
6433 * regclass.c (init_regs): Add "top_of_stack" as a garbage
6436 * flow.c (record_active_eh_regions): Terminate loop after finding
6437 the last insn in the last basic block.
6439 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6441 * config/c4x/c4x.md: Delete parallel instruction peepholes.
6443 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6445 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
6447 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6449 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
6450 splitting to not use output template.
6452 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6454 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
6455 * config/c4x/c4x.c (c4x_va_start): New function.
6457 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
6459 * genrecog.c (not_both_true): Handle correctly cases when called for
6460 tests with different positions in the insn.
6462 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6464 * machmode.h (HOST_PTR_PRINTF): Move from here ...
6466 * system.h (HOST_PTR_PRINTF): ... to here.
6468 * mips-tfile.c: Don't include machmode.h.
6470 * Makefile.in (MACHMODE_H): New variable. Update to use it.
6471 (mips-tfile.o): Don't depend on machmode.h.
6473 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6475 * haifa-sched.c (sched_analyze): Rename local variable `region' to
6476 avoid conflicts with typedef struct `region' at the top level scope.
6478 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
6480 * basic-block.h (basic_block): Add eh_beg, eh_end.
6481 * flow.c (entry_exit_blocks): Update.
6482 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
6484 (find_basic_blocks_1): Don't record eh_list at each bb. Use
6485 lists.c functions to allocate insn lists.
6486 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
6488 (make_eh_edge): ... here. New.
6489 (move_stray_eh_region_notes): New.
6490 (record_active_eh_regions): New.
6491 (delete_unreachable_blocks): Split out block merging ...
6492 (try_merge_blocks): ... here. New.
6493 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
6494 Dump debugging data.
6495 (merge_blocks_move_successor_nojumps): Likewise.
6496 (merge_blocks): Use eh_beg+eh_end to validate block movement.
6498 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6500 * extend.texi (Bound member functions): Document unbound pmf
6503 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6505 * flow.c (split_edge): Handle insertion on a fallthrough edge which
6506 has the EXIT_BLOCK as a dest.
6508 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6510 * flow.c (remove_edge): New function to remove an edge from the
6512 (remove_fake_successors): New function to remove fake successor edges.
6513 (remove_fake_edges): New function to remove all fake edges from the
6515 (add_fake_exit_edges): New function to add fake edges from all blocks
6516 with no successors to the exit block.
6517 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
6518 prototypes for new functions.
6520 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6522 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
6523 Use Pmode to determine whether to output .dword or .word.
6525 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
6527 * tree.c (built_in_filename): New variable.
6528 (BUILT_IN_FILENAME): New macro.
6529 (init_tree_codes): Allocate built_in_filename.
6530 (make_node): Use built_in_filename instead of string constant.
6532 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
6534 * configure.in: Add fr30 target.
6535 * configure: Regenerate.
6536 * config/fr30: New directory.
6537 * config/fr30/crti.asm: New file.
6538 * config/fr30/fr30.c: New file.
6539 * config/fr30/crtn.asm: New file.
6540 * config/fr30/fr30.h: New file.
6541 * config/fr30/fr30.md: New file.
6542 * config/fr30/lib1funcs.asm: New file.
6543 * config/fr30/t-fr30: New file.
6544 * config/fr30/xm-fr30.h: New file.
6546 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
6548 * flow.c (merge_blocks_move_successor_nojumps): Delete the
6549 BARRIER at the end of the successor, not the BARRIER before
6552 * pa.c (pa_add_gc_roots): Fix thinko in last change.
6554 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
6556 * stmt.c (any_pending_cleanups): Don't crash when
6557 current_function->stmt is unset.
6559 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6561 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
6562 other initializations that may use it for relative offsets.
6564 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6566 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
6567 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
6568 * config/i386/sol2dbg.h: Removed.
6569 * config/i386/sol2gas.h: New file, to enable gas work-around.
6570 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
6571 Don't use sol2dbg.h.
6572 * configure: Rebuilt.
6574 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
6576 * invoke.texi (-fthis-is-variable): Remove documentation.
6578 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
6580 * basic-block.h (compute_bb_for_insn): Declare.
6581 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
6582 to use; set size of basic_block_for_insn directly.
6583 (find_basic_blocks): Update.
6585 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6587 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
6589 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6591 * crtstuff.c (ON_EXIT): Delete empty macro definition.
6592 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
6594 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
6596 * c-decl.c (c_decode_option): Extend comment.
6598 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
6600 * toplev.c (progname): Make 'const char *'
6601 (flag_print_mem): Move out of main.
6602 (version_flag): Move out of main.
6603 (filename): Move out of main.
6604 (debug_args): Remove g prefix from options.
6605 (documented_lang_options): Remove cpplib specific options.
6606 (display_help): Add g prefix to debug options.
6607 (check_lang_option): Delete this function.
6608 (decode_d_option): New function: Decode -d... option.
6609 (decode_f_option): New function: Decode -f... option.
6610 (decode_W_option): New function: Decode -W... option.
6611 (decode_g_option): New function: Decode -g... option.
6612 (independent_decode_option): New function: Decode a language
6613 independent command line option.
6614 (main): Invoke lang_decode_option and then
6615 independent_decode_option on each command line option in
6618 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
6620 Revert this change. Gavin's patch to operand_equal_p is a better fix.
6621 * fold-const.c (fold_range_test): Do not try to fold the range
6622 test if the rhs or lhs has side effects.
6624 * basic-block.h (compute_flow_dominators): Declare.
6626 * gcse.c (alloc_code_hoist_mem): New function.
6627 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
6628 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
6629 (hoist_code, one_code_hoisting_pass): Likewise.
6630 (gcse_main): If optimizing for size, then hoist expressions
6631 computed in multiple dominated basic blocks.
6633 * gcse.c (invalid_nonnull_info): New function.
6634 (delete_null_pointer_checks): Likewise.
6635 * rtl.h (delete_null_pointer_checks): Declare.
6636 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
6638 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
6639 (merge-blocks_move_successor_nojumps): Likewise.
6640 (merge_blocks): Allow merging of some blocks, even if it requires
6641 physical movement of the blocks, but not if it requires new jumps.
6643 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
6644 Callers and prototype changed.
6645 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
6647 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6649 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
6650 -YP when both -p and -pg are present. From i386/sol2.h.
6652 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6654 * Makefile.in (distclean): Delete tm_p.h.
6655 * configure.in: Create a new file, "tm_p.h", from a list in
6656 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
6657 "i386/i386-protos.h".
6659 * alias.c: Include "tm_p.h".
6660 * c-typeck.c: Likewise.
6661 * calls.c: Likewise.
6663 * emit-rtl.c: Likewise.
6664 * explow.c: Likewise.
6665 * expmed.c: Likewise.
6667 * final.c: Likewise.
6669 * fold-const.c: Likewise.
6670 * function.c: Likewise.
6672 * global.c: Likewise.
6673 * haifa-sched.c: Likewise.
6674 * integrate.c: Likewise.
6676 * local-alloc.c: Likewise.
6678 * optabs.c: Likewise.
6679 * recog.c: Likewise.
6680 * reg-stack.c: Likewise.
6681 * regclass.c: Likewise.
6682 * regmove.c: Likewise.
6683 * reload.c: Likewise.
6684 * reload1.c: Likewise.
6685 * reorg.c: Likewise.
6686 * resource.c: Likewise.
6688 * stor-layout.c: Likewise.
6689 * toplev.c: Likewise.
6691 * unroll.c: Likewise.
6692 * genattrtab.c (main): Make generated file include "tm_p.h".
6693 * genemit.c (main): Likewise.
6694 * genoutput.c (main): Likewise.
6695 * genrecog.c (main): Likewise.
6697 * i386.h: Delete all prototypes.
6698 * i386.c: Include "tm_p.h".
6699 (ix86_attr_length_default): Call constant_call_address_operand
6700 with correct number of arguments.
6701 * i386-protos.h: New file.
6702 * i386.md (unnamed patterns): Call constant_call_address_operand
6703 with correct number of arguments.
6704 (exception_receiver): Call load_pic_register with correct number
6707 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
6709 * c-pragma.c (mark_align_stack): Dereference the void* properly.
6711 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
6713 * rtl.h (insns_safe_to_move_p): New function.
6714 * loop.c (find_and_verify_loops): Use it.
6715 * rtlanal.c (insns_safe_to_move_p): Define it.
6717 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
6719 * c-pragma.c: Include ggc.h.
6720 * Makefile.in (c-pragma.o): Update.
6722 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6724 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
6725 (LIB_SPEC): Likewise.
6726 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
6727 Reindent -YP/-p/-pg.
6728 Copied from config/sparc/sol2.h.
6730 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
6732 * c-pragma.c (mark_align_stack): New.
6734 * c-pragma.h (init_pragma): Declare it.
6735 * c-lex.c (init_parse): Call it.
6737 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6739 * configure.in: Pick up thread library on Solaris/x86 just
6740 like on Solaris/sparc.
6741 * configure: Rebuilt.
6743 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
6745 * rtl.h (global_rtx_index): New enum.
6746 (global_rtl): Change to array of rtx.
6747 (pc_rtx, cc0_rtx): Redefine accordingly.
6748 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
6749 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
6750 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
6751 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
6752 (const_int_rtx): Change to array of rtx.
6753 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
6755 * emit-rtl.c (global_rtl): Change to array of rtx.
6756 (const_int_rtx): Change to aray of rtx.
6757 (gen_rtx_CONST_INT): Redefine accordingly.
6758 (init_emit_once): Allocate and initialize global_rtl. Likewise
6759 for const_int_rtx. Add both as GC roots.
6760 * genattrtab.c (global_rtl): Update declaration.
6762 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
6764 * Makefile (USER_H): Add iso646.h back.
6766 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
6768 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
6769 zapping the LOG_LINKS of sched_before_next_call.
6771 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
6772 * pa.c (insn_refs_are_delayed): Renamed from
6773 insn_sets_and_refs_are_delayed.
6775 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
6777 * functiion.h (struct function): Add x_whole_function_mode_p.
6778 (retrofit_block): Declare.
6779 * function.c (retrofit_block): New function.
6780 (identify_blocks): Add assertions. Allow an incomplete set of
6781 block notes if we're still generating code for the function.
6782 * integrate.c: Include loop.h.
6783 (expand_inline_function): Call find_loop_tree_blocks to map block
6784 notes to blocks when in whole-function mode. Use retrofit_block
6785 to insert new BLOCKs for the inlined function, rather than
6787 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
6788 * Makefile.in (integrate.o): Depend on loop.h.
6790 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
6792 * tree.h (warn_about_unused_variables): Declare.
6793 * stmt.c (warn_about_unused_variables): New function, split out
6795 (expand_end_bindings): Here.
6797 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
6799 * stmt.c (preserve_subexpressions_p): Don't crash when
6800 current_function->stmt is unset.
6802 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
6804 * stmt.c (expand_start_bindings): Allow callers to pass a flag
6805 indicating that no NOTE_INSN_BLOCK_BEG note is required.
6806 (expand_start_target_temps): Use it.
6807 * except.c (expand_eh_region_start_for_decl): Likewise.
6808 * expr.c (expand_expr): Likewise.
6810 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
6812 * fold-const.c (operand_equal_p): Pay attention to side effects.
6814 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6816 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
6817 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
6819 * tlink.c (scan_linker_output): Look for keywords before accepting
6820 a mangled name in quotes.
6822 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
6824 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
6825 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
6827 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
6829 * alpha.md: Revert Thu Nov 26 change that came in through the
6830 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
6831 Avoid earlyclobber when possible.
6833 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6835 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
6837 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
6838 Define HAVE_ON_EXIT.
6840 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6842 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
6843 CTYPE_CONV in all ctype macros.
6845 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
6848 * cexp.y (initialize_random_junk): Likewise.
6850 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
6852 * i370.c (handle_pragma): Likewise.
6854 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
6856 * v850.c (override_options): Likewise.
6858 * doprint.c (_doprnt): Likewise.
6860 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
6863 * fixinc/server.c (load_data): Likewise.
6865 * fold-const.c (real_hex_to_f): Likewise.
6867 * genattr.c (write_upcase, gen_attr): Likewise.
6869 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
6870 write_upcase): Likewise.
6872 * genemit.c (print_code): Likewise.
6874 * genopinit.c (gen_insn): Likewise.
6876 * genpeep.c (print_code): Likewise.
6878 * genrecog.c (print_code): Likewise.
6880 * optabs.c (init_libfuncs): Likewise.
6882 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
6884 * haifa-sched.c (sched_analyze): Keep the list of notes organized
6886 (reemit_notes): Likewise.
6888 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
6890 * ggc.h (ggc_root): Move to ggc-common.c.
6892 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
6893 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
6894 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
6895 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
6896 * ggc-common.c (ggc_root): Move from ggc.h.
6897 (roots): Declare, static.
6898 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
6899 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
6900 null or check/set mark bit.
6901 (ggc_mark_roots): New.
6902 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
6904 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
6906 * m32r.c: Include toplev.h.
6907 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
6908 (gen_compare): Rename swap_p to must_swap to match uses.
6909 Add default abort case.
6910 (m32r_output_function_epilogue): Remove unused variables.
6911 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
6912 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
6913 define to empty parameter list. Update all uses.
6914 (predicate decls): Use enum machine_mode not int.
6915 * m32r.md (movsi): Call abort, not fatal_insn.
6916 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
6918 1999-09-14 Andrew Haley <aph@cygnus.com>
6920 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
6921 use $0 instead of 0.
6923 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6925 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
6926 computation out of loop over hard regs.
6928 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
6930 * function.c (identify_blocks): Don't shadow a variable in an
6932 * integrate.c (integrate_decl_tree): Don't use pushlevel,
6933 pushdecl, or poplevel to build up the new BLOCK tree.
6934 (expand_inline_function): Likewise.
6935 (integrate_parm_decls): Likewise.
6937 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
6939 * c-typeck.c (qualify_type): Merge qualifiers from both types.
6941 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
6943 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
6944 * invoke.texi: Document this change.
6946 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
6948 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
6950 (mark_emit_status): Renamed from mark_emit_state.
6951 * except.c (mark_eh_status): Renamed from mark_eh_state.
6952 Check not null before marking.
6953 (free_eh_status): New.
6954 * expr.c (mark_expr_status, free_expr_status): New.
6955 * function.c (free_machine_status): New.
6956 (free_after_parsing): New.
6957 (free_after_compilation): Move bits to free_after_parsing; call
6958 free_eh_status, free_expr_status; zero the marked members of the
6960 (prepare_function_start): No can_garbage_collect.
6961 Call init_eh_for_function.
6962 (expand_dummy_function_end): Free up current_function state.
6963 (mark_function_status): Renamed from mark_function_state.
6964 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
6965 * function.h (struct function): No can_garbage_collect.
6966 (free_machine_status, free_after_parsing): Declare.
6967 (free_eh_status, free_expr_status): Declare.
6968 * ggc.h (mark_expr_status): Declare.
6969 * stmt.c (free_stmt_status): Free the struct.
6970 (mark_stmt_status): Renamed from mark_stmt_state.
6971 (init_stmt): Don't call init_eh.
6972 (init_stmt_for_function): Don't call init_eh_for_function.
6973 * toplev.c (compile_file): Call init_eh.
6974 (rest_of_compilation): Free basic block info before ggc_collect.
6975 Call free_after_parsing; conditionally call free_after_compilation.
6976 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
6977 Check not null before marking.
6978 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
6980 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
6982 * c-lex.c (yylex): Initialize warn.
6984 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
6986 * pa.c (emit_move_sequence): Properly set the mode of the scratch
6987 register when performing secondary reloads for the SAR register.
6989 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
6991 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
6992 (NOTE_BLOCK): New macro.
6993 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
6994 * function.h (identify_blocks): Change prototype.
6995 * function.c (identify_blocks): Simplify.
6996 (reorder_blocks): Likewise.
6997 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
6998 NOTE_INSN_BLOCK_{BEG,END}.
6999 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
7000 the list of saved notes if the note isn't a
7001 NOTE_INSN_BLOCK_{BEG,END}.
7002 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
7004 (reemit_notes): Adjust recreation of notes to reflect new saved
7006 * print-rtl.c (print_rtx): Print the address of the BLOCK when
7007 printing a block note.
7008 * stmt.c (block_vector): Remove.
7009 (find_loop_tree_blocks): Simplify.
7010 (unroll_block_trees): Likewise.
7011 * tree.h (reorder_block): Change prototype.
7013 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
7015 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
7016 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
7017 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
7018 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
7019 (atexit, exit): Simplify.
7020 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
7021 * config/lots: Remove defns of HAVE_ATEXIT.
7023 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
7025 * calls.c (precompute_arguments): Fix typo in comment.
7026 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
7029 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
7031 * dsp16xx.c (override_options): Fix typos in GC root registration.
7033 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
7035 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
7037 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
7038 (FUNCTION_PROFILER): Redefine appropriately for Linux.
7039 (CC1_SPEC): Likewise.
7041 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7043 * genattr.c (main): Add extern prototype. Call return, not exit.
7044 * genattrtab.c (main): Likewise.
7045 * gencheck.c (main): Likewise.
7046 * gencodes.c (main): Likewise.
7047 * genconfig.c (main): Likewise.
7048 * genemit.c (main): Likewise.
7049 * genextract.c (main): Likewise.
7050 * genflags.c (main): Likewise.
7051 * gengenrtl.c (main): Likewise.
7052 * genopinit.c (main): Likewise.
7053 * genoutput.c (main): Likewise.
7054 * genpeep.c (main): Likewise.
7055 * genrecog.c (main): Likewise.
7057 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
7058 * genattrtab.c (get_insn_name): Likewise.
7059 * gencodes.c (get_insn_name): Likewise.
7060 * genconfig.c (get_insn_name): Likewise.
7061 * genemit.c (get_insn_name): Likewise.
7062 * genextract.c (get_insn_name): Likewise.
7063 * genflags.c (get_insn_name): Likewise.
7064 * genopinit.c (get_insn_name): Likewise.
7065 * genpeep.c (get_insn_name): Likewise.
7067 * gencheck.c (usage): Add static prototype.
7068 * genextract.c (print_path): Constify a char*.
7069 * genopinit.c (optabs): Likewise.
7070 * genoutput.c (operand_data, data, output_predicate_decls,
7071 compare_operands): Likewise.
7072 * genrecog.c (write_tree): Add default case in switch.
7074 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7076 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
7078 * print-rtl.c (get_insn_name): Remove prototype.
7080 * toplev.h (progname): Declare const.
7082 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
7083 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
7084 dump_sched_info, dump_local_alloc, regset_release_memory,
7085 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
7086 error_with_file_and_line, error_with_decl, error_for_asm, error,
7087 fatal, warning_with_file_and_line, warning_with_decl, warning,
7088 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
7089 Remove redundant prototypes.
7091 (notice, check_lang_option, report_file_and_line, vnotice,
7092 mark_file_stack): Add static prototype.
7093 (set_fatal_function): Add prototype.
7094 (vnotice, report_file_and_line, set_fatal_function,
7095 check_lang_option): Constify a char*.
7096 (main): Prototype. Call return, not exit.
7098 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7100 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
7102 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
7104 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
7106 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
7108 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7110 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
7111 behave as if it's zero in all cases.
7112 (expand_function_start): Adjust call to assign_parms.
7113 * tree.h (assign_parms): Adjust prototype.
7114 * objc/objc-act.c (hack_method_prototype): Adjust call to
7117 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
7119 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
7120 arg_pointer_rtx fixed if the argument pointer register is
7122 (NONZERO_BASE_PLUS_P): Likewise.
7124 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
7126 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
7127 match_insn2 to match_insn.
7128 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
7130 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
7132 * Makefile.in (USER_H): Remove va-foo.h.
7134 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
7135 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
7136 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
7137 va-spur.h,va-v850.h}: Remove.
7139 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
7141 * sparc/sparc.md (eligible_for_return_delay): New attribute.
7142 (in_return_delay): Use it instead of match_insn.
7144 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7146 * config/alpha/va_list.h (va-alpha.h): Do not include.
7147 (__gnuc_va_list): Typedef as in varargs.h.
7149 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
7151 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
7152 DECL_LIVE_RANGE_RTL.
7154 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
7156 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
7157 not NOTE_BLOCK_NUMBER.
7158 (expand_eh_region_end): Likewise.
7159 (find_exception_handler_labels): Likewise.
7160 (scan_region): Likewise.
7161 (exception_optimize): Likewise.
7162 (update_rethrow_references): Likewise.
7163 (set_insn_eh_region): Likewise.
7164 * final.c (final_scan_insn): Likewise.
7165 * flow.c (make_edges): Likewise.
7166 * integrate.c (expand_inline_function): Likewise.
7167 * print-rtl.c (print_rtx): Likewise.
7169 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
7171 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
7172 terms of builtin functions and types.
7174 * mips.c (mips_build_va_list): New.
7175 (mips_va_start, mips_va_arg): New.
7176 * mips.h (BUILD_VA_LIST_TYPE): New.
7177 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7179 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
7180 (sh_build_va_list, sh_va_start, sh_va_arg): New.
7181 * sh.h (BUILD_VA_LIST_TYPE): New.
7182 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7184 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
7186 * recog.h (struct recog_data): Make dup_num, operand_address_p,
7187 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
7188 (struct insn_data): Likewise with n_operands, n_dups,
7189 n_alternatives, output_format.
7190 * regclass.c (scan_one_insn): Cast n_operands to int before
7191 arithmetic inside comparison.
7193 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
7195 * toplev.c (compile_function): Unconditionally emit nop.
7197 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7199 * haifa-sched.c (actual_hazard): Move declaration of variable
7200 `this_cost' into the scope where it is used.
7202 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7204 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
7205 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
7206 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
7208 * genrecog.c (make_insn_sequence): Call memset, not bzero.
7210 * jump.c (find_insert_position): Don't declare or define unless
7211 !HAVE_conditional_arithmetic.
7212 (returnjump_p_1, delete_prior_computation): Add static prototypes.
7214 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
7216 * recog.c (offsettable_address_p): Prototype function pointer.
7217 (preprocess_constraints): Call memset, not bzero.
7219 * tree.c (tree_node_kind_names): Constify a char*. Make static.
7220 (gcc_obstack_init): Don't declare.
7221 (fix_sizetype): Add static prototype.
7222 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
7223 (tree_cons): Call memset, not bzero.
7225 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
7226 definition in macro ASM_WEAKEN_LABEL.
7227 (mark_const_hash_entry): Add static prototype.
7229 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7231 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
7233 * unroll.c (find_common_reg_term, subtract_reg_term,
7234 loop_find_equiv_value): Add static prototypes.
7235 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
7236 (copy_loop_body): Remove unreachable break statement.
7238 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
7240 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
7242 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7244 Undo some changes from the gcc2 merge:
7245 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
7246 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
7250 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
7251 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7252 initialized float-int union if the value is a NaN.
7254 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
7256 * gthr-win32.h: New file.
7258 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
7259 shared as a valid attribute.
7260 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
7261 * extend.texi: Document `shared' variable attribute.
7263 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
7265 * configure.in: Handle --enable-threads on FreeBSD.
7266 * configure: Rebuit.
7268 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7270 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
7272 * configure: Rebuilt.
7274 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
7275 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
7276 Rosimildo DaSilva <rdasilva@connecttel.com>
7278 * configure.in (m68k-*-rtemscoff*): Added.
7279 * configure.in (mips64orion-*-rtems*): Converted to ELF.
7280 * configure.in (sparc-*-rtemsaout*): Added as alias for old
7281 sparc-rtems configuration.
7282 * configure.in (sparc-*-rtemself*): Added.
7283 * configure.in (sparc-*-rtems*): Now ELF not a.out.
7284 * config/i386/rtems.h: Added comment.
7285 * config/sparc/rtemself.h: New file.
7287 * configure.in (m68k-rtemself): Added.
7288 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
7289 and DWARF_DEBUGGING_INFO.
7290 * config/m68k/crti.s: New file.
7291 * config/m68k/crtn.s: New file.
7292 * config/m68k/t-crtstuff: New file.
7293 * config/m68k/rtemself.h: New file.
7295 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
7296 global ctor/dtor and C++ exception handling.
7297 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
7298 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
7300 * config/i386/t-rtems-i386: New File.
7302 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
7304 * stmt.c (expand_end_case): Return right away if the case stack is
7307 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
7309 * Makefile.in (version.c): Remove rule incorrectly brought in from
7312 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
7314 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
7315 * msdos/top.sed: Take into account a prepended $(SHELL) to
7317 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
7319 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
7321 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7323 * regmove.c (fixup_match_1): Don't change an unchanging register.
7324 (stable_but_for_p): Renamed to:
7325 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
7326 Changed all callers.
7328 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
7330 * loop.c (strength_reduce): Don't call reg_used_between_p if the
7331 insn from BL2 is after the insn from BL.
7333 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
7335 * recog.h (INSN_OUTPUT_FORMAT_*): New.
7336 (struct insn_data): Merge `template' and `outfun' into `output'.
7337 Add `output_format'.
7338 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
7339 (struct data): Remove `outfun'; add `output_format'.
7340 (name_for_index): Remove declaration.
7341 (output_insn_data): Handle output formats.
7342 (process_template): Emit the bare array for @.
7343 (gen_expand, gen_split): Set output_format to NONE.
7344 * output.h (get_insn_template): Declare.
7345 * final.c (get_insn_template): New.
7346 (final_scan_insn): Use it.
7347 * toplev.c (compile_file): Likewise.
7349 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7350 * i860/i860.c (output_delayed_branch): Likewise.
7351 (output_delay_insn): Likewise.
7353 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7355 * rtl.c (obstack_alloc_rtx): Removed.
7357 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
7359 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
7361 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7363 * i386.c (call_insn_operand): Reject const_int.
7364 (expander_call_insn_operand): Use call_insn_operand.
7366 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7368 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
7370 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
7372 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
7373 Use DImode operation.
7375 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
7377 * gcc.c: Include sys/resource.h.
7378 (report_times): New flag.
7379 (execute): If report_times is set, calculate and report the
7380 CPU time consumed by each subprocess.
7382 (rus, prus): New globals.
7383 (option_map): Add --time.
7384 (display_help): Document -time.
7385 (process_command): Set report_times if -time is given.
7386 Turn off -pipe if -time is given.
7388 * invoke.texi: Document new option -time.
7390 * configure.in: Check for getrusage. Check if we have to
7391 prototype getrusage.
7392 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
7393 * configure: Regenerate.
7394 * config.in: Regenerate.
7396 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
7398 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
7401 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
7403 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
7404 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
7405 (nan): Return _thenan_sf or _thenan_df as appropriate.
7406 (L_thenan_sf): Define _thenan_sf.
7407 (L_thenan_df): Define _thenan_df.
7409 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
7410 (DPBIT_FUNCS): Add _thenan_df.
7412 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
7414 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
7417 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7419 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
7422 (lang_specific_driver): Don't take a function pointer parameter.
7423 All callers changed.
7425 * gcc.c: Include gcc.h.
7426 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
7427 lang_specific_extra_outfiles, fatal): Don't declare.
7428 (multilib_defaults_raw): Constify.
7429 (read_specs): Call memset, rather than bzero.
7430 (main): Call return, not exit.
7431 (lookup_compiler): Call memcpy, not bcopy.
7432 (fatal): Make extern.
7434 * cppspec.c: Include gcc.h.
7435 (lang_specific_driver): Initialize variable `quote'. Constify a
7436 char*. All calls to the function pointer parameter now
7437 explicitly call `fatal'.
7439 * gccspec.c (lang_specific_driver): Include gcc.h.
7441 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
7443 * arm.c (note_invalid_constants): Use recog_data.operand_type
7446 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7448 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
7451 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
7452 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7453 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7454 reload_secondary_in_reload, reload_secondary_out_reload,
7455 reload_secondary_in_icode, reload_secondary_out_icode,
7456 reload_reg_rtx, reload_when_needed): Delete declarations.
7457 (struct reload): New structure.
7458 (rld): Declare new array.
7459 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
7460 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7461 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7462 reload_secondary_in_reload, reload_secondary_out_reload,
7463 reload_secondary_in_icode, reload_secondary_out_icode,
7464 reload_reg_rtx, reload_when_needed): Delete definitions.
7466 (whole file): Replace uses of the deleted arrays with uses of rld.
7467 * reload1.c (whole file): Replace uses of the deleted arrays with
7469 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
7470 explicit loops, not with bcopy.
7472 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
7474 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
7475 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
7476 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
7477 insn_name): Delete and consolidate into new structures.
7478 (insn_operand_predicate_fn): New.
7479 (insn_output_fn): New.
7481 (struct insn_operand_data): New.
7482 (struct insn_data): New.
7484 (OUT_FCN): Update for insn_data change.
7485 * builtins.c (expand_builtin_strlen): Likewise.
7486 (expand_builtin_memcmp): Likewise.
7487 * combine.c (make_extraction, simplify_comparison): Likewise.
7488 * cse.c (canon_reg, cse_insn): Likewise.
7489 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
7490 * expmed.c (store_bit_field, extract_bit_field): Likewise.
7491 (emit_store_flag): Likewise.
7492 * expr.c (convert_move, emit_block_move): Likewise.
7493 (clear_storage, emit_push_insn, expand_increment): Likewise.
7494 (do_store_flag): Likewise.
7495 * expr.h (GEN_FCN): Likewise.
7496 (insn_gen_function): Die.
7497 * final.c (final_scan_insn): Update for insn_data change.
7498 (output_asm_name): Likewise.
7499 * function.c (fixup_var_refs_1): Likewise.
7500 * loop.c (check_dbra_loop): Likewise.
7501 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
7502 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
7503 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
7504 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
7505 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
7506 * regmove.c (gen_add3_insn): Likewise.
7507 * reload.c (push_secondary_reload, combine_reloads): Likewise.
7508 (find_reloads, find_reloads_address_1): Likewise.
7509 (debug_reload_to_stream): Likewise.
7510 * reload1.c (emit_reload_insns, gen_reload): Likewise.
7511 * stmt.c (expand_end_case): Likewise.
7512 * toplev.c (compile_file): Likewise.
7514 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7515 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7517 * print-rtl.c (insn_name_ptr): Remove declaration.
7518 (get_insn_name): Declare.
7519 (print_rtx): Use it.
7520 * genoutput.c (insn_name_ptr): Remove.
7521 (next_operand_number): New.
7522 (struct operand_data): New.
7523 (null_operand, odata, odata_end): New.
7524 (struct data): Use struct operand_data.
7525 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
7526 (get_insn_name): Renamed from name_for_index.
7527 (output_prologue): Define NO_MD_PROTOTYPES.
7528 (output_predicate_decls): Break out from output_epilogue.
7529 Iterate over the operands list.
7530 (output_operand_data): Break out from output_epilogue. Emit
7531 just the operands list.
7532 (output_insn_data): Break out from output_epilogue. Emit just
7534 (output_epilogue): Remove.
7535 (output_get_insn_name): New.
7536 (constraints, op_n_alternatives, predicates, address_p): Die.
7537 (modes, strict_low, seen): Die.
7538 (scan_operands): Take new param `d' instead of writing to
7539 seven global variables.
7540 (compare_operands): New.
7541 (place_operands): New.
7542 (validate_insn_alternatives): Update for struct data change.
7543 (gen_insn): Don't zero or copy 7 global arrays. Update for
7544 scan_operands; call place_operands.
7545 (gen_peephole, gen_expand, gen_split): Likewise.
7546 (main): Update for new output routines.
7548 * genattr.c (insn_name_ptr): Remove.
7549 (get_insn_name): New function.
7550 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
7551 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
7552 * genrecog.c: Likewise.
7554 * alpha.md (adddi3): Make `pattern' array static.
7556 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7558 * config/c4x/c4x.h (c4x_rpts_cycles_string,
7559 c4x_cpu_version_string): Constify char *.
7560 * config/c4x/c4x.c (c4x_rpts_cycles_string,
7561 c4x_cpu_version_string): Likewise.
7563 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
7565 * tree.c (save_tree_status): Revert 10 Sep change.
7566 (restore_tree_status): Likewise. Call obstack_free with NULL
7567 before freeing the obstack proper.
7569 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
7571 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
7573 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
7574 surrounding context.
7576 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
7578 * tree.c (type_hash_canon): Put all types in the hash-table, when
7581 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
7583 * recog.h (struct recog_data, recog_data): New.
7584 (recog_foo variables): Kill.
7585 * recog.c (recog_operand, recog_operand_loc): Kill.
7586 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
7587 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
7588 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
7589 (recog_data): Define.
7590 (extract_insn): Update all recog_foo references to use recog_data.
7591 (preprocess_constraints, constrain_operands): Likewise.
7592 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
7593 * genattrtab.c (main): Likewise.
7594 * genextract.c (main): Likewise.
7595 * genoutput.c: Likewise.
7596 * genrecog.c (write_subroutine, main): Likewise.
7597 * local-alloc.c (block_alloc): Likewise.
7598 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
7599 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
7600 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
7601 * reload.c (find_reloads, find_reloads_toplev): Likewise.
7602 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
7603 (reload_cse_simplify_operands): Likewise.
7605 * arc/arc.c (arc_final_prescan_insn): Likewise.
7606 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
7607 * h8300/h8300.c (notice_update_cc): Likewise.
7608 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
7609 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7610 * mn10200/mn10200.c (notice_update_cc): Likewise.
7611 * mn10300/mn10300.c (notice_update_cc): Likewise.
7612 * romp/romp.c (update_cc): Likewise.
7613 * sparc/sparc.c (check_pic): Likewise.
7614 * v850/v850.c (notice_update_cc): Likewise.
7616 * genemit.c (main): Don't declare recog_operand.
7618 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
7620 * ggc.h (rtvec_def): Forward declare.
7621 (tree_node): Likewise.
7624 (ggc_set_mark_rtx): Add prototype.
7625 (ggc_set_mark_rtvec): Likewise.
7626 (ggc_set_mark_tree): Likewise.
7627 * ggc-simple.c (ggc_root): Don't define.
7628 (roots): Don't declare.
7629 (ggc_mark_rtx): Remove.
7630 (ggc_mark_rtvec): Likewise.
7631 (ggc_mark_tree): Likewise.
7632 (ggc_mark_varray): Likewise.
7633 (ggc_mark_tree_hash_table_entry): Likewise.
7634 (ggc_mark_tree_hash_table): Likewise.
7635 (ggc_set_mart_rtx): New function.
7636 (ggc_set_mark_rtvec): Likewise.
7637 (ggc_set_mark_tree): Likewise.
7638 (ggc_add_root): Remove.
7639 (ggc_add_rtx_root): Likewise.
7640 (ggc_remove_tree_root): Likewise.
7641 (ggc_add_string_root): Likewise.
7642 (ggc_add_tree_varray_root): Likewise.
7643 (ggc_add_tree_hash_table_root): Likewise.
7644 (ggc_del_root): Likewise.
7645 (ggc_mark_rtx_ptr): Likewise.
7646 (ggc_mark_tree_ptr): Likewise.
7647 (ggc_mark_string_ptr): Likewise.
7648 (ggc_mark_tree_varray_ptr): Likewise.
7649 (ggc_mark_tree_hash_table_ptr): Likewise.
7650 * ggc-common.c: New file.
7651 * Makefile.in (OBJS): Add ggc-common.o.
7652 (ggc-common.o): List dependencies.
7654 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
7656 * cppalloc.c (xstrdup): Use memcpy.
7657 * cpperror.c (cpp_print_containing_files): Don't use
7659 * cpplib.c (conditional_skip): Set temp->lineno.
7660 (do_endif): Make error message less obscure.
7661 (if_directive_name): New function.
7662 (cpp_get_token [case EOF]): Unwind the if stack and generate
7663 error messages for each unterminated conditional in this file.
7664 (parse_string): Do not behave differently if -traditional.
7666 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
7668 * builtins.c (expand_builtin_va_arg): Cope with an array-type
7669 va_list decomposing to pointer-type.
7670 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
7671 (rs6000_va_arg): Likewise.
7673 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
7675 * except.c (start_dynamic_handler): Compute size using
7676 STACK_SAVEAREA_MODE.
7678 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7680 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
7681 include directory headers. Don't define strrchr. Don't provide
7682 my_* replacement functions. Prefer PTR over `pointer_type'.
7683 Don't prototype system functions. Don't redefine getopt.
7685 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
7686 safe_read, safe_write, save_pointers, restore_pointers,
7687 is_id_char, in_system_include_dir, directory_specified_p,
7688 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
7689 find_corresponding_lparen, referenced_file_is_newer,
7690 save_def_or_dec, munge_compile_params, gen_aux_info_file,
7691 process_aux_info_file, identify_lineno, check_source,
7692 seek_to_line, forward_to_next_token_char, output_bytes,
7693 output_string, output_up_to, other_variable_style_function,
7694 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
7695 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
7696 find_static_definition, connect_defs_and_decs, add_local_decl,
7697 add_global_decls, needs_to_be_converted, visit_each_hash_node,
7698 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
7699 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
7700 scan_for_missed_items, edit_file, string_list_cons): Add static
7702 (standard_exec_prefix, target_machine, target_version,
7703 default_syscalls_dir, string_list, string_list_cons, find_file,
7704 do_cleaning): Constify a char*.
7705 (safe_read, safe_write): Use PTR, not a char*.
7706 (is_id_char): Take an int, not a char.
7707 (main): Add prototype. Call return, not exit.
7709 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
7711 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
7712 when comparing types.
7714 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
7716 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
7717 (strength_reduce): Release the varrays from the no-bivs early exit.
7719 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
7720 the loop over the registers.
7722 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
7724 (restore_tree_status): Check that instead when freeing the obstack.
7726 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
7728 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
7731 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7733 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
7734 operand size modifiers.
7736 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7738 * c-common.c (c_common_nodes_and_builtins): Don't build
7740 * c-common.h (enum c_tree_index and related accesor macros): Remove
7741 everything now declared in tree.h.
7742 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7743 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
7744 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
7745 (error_mark_node, void_type_node, char_type_node, integer_type_node,
7746 unsigned_type_node, ptr_type_node, va_list_type_node,
7747 integer_zero_node, null_pointer_node, integer_one_node): Delete.
7748 (init_decl_processing): Call build_common_tree_nodes and
7749 build_common_tree_nodes_2 instead of building their nodes here.
7750 Don't add roots for these nodes.
7751 * stor-layout.c (size_zero_node, size_one_node): Delete.
7752 (set_sizetype): Make a new node for bitsizetype each time.
7753 * tree.c (global_trees): New variable.
7754 (init_obstacks): Add a gc root for it.
7755 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7756 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
7757 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
7758 (build_common_tree_nodes): New function.
7759 (fix_sizetype): New function.
7760 (build_common_tree_nodes_2): New function.
7761 * tree.h (enum tree_index): New.
7762 (global_trees): Declare.
7763 Add accessor macros for all nodes now moved to global_trees.
7764 Delete their declarations.
7766 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
7768 * c-decl.c (finish_function): When processing a nested function,
7769 push and pop GC context around rest_of_compilation.
7771 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
7773 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
7774 Default ix86_arch to PROCESSOR_I386.
7775 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
7776 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
7777 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
7778 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
7779 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
7780 (EXTRA_SPECS): Remove deleted specs.
7782 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
7784 * function.c (assign_stack_local_1): Allocate from
7785 function->x_frame_offset, not frame_offset.
7787 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
7789 * ggc.h (lang_cleanup_tree): Remove.
7790 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
7791 * ggc-callbacks.c (lang_cleanup_tree): Remove.
7793 * c-decl.c (finish_struct): Use ggc_alloc to allocate
7794 TYPE_LANG_SPECIFIC when garbage collecting.
7795 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
7796 (lang_cleanup_tree): Remove.
7798 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
7800 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
7801 * crtstuff.c: Not here.
7802 * dwarf2out.c: Or here.
7803 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
7806 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
7808 * function.h (free_after_compilation): Remove decl parameter.
7809 (free_varasm_status0: Likewise.
7810 (free_emit_status): Likewise.
7811 (free_stmt_status): Likewise.
7812 (free_after_compilation): Likewise.
7813 (init_lang_status): New variable.
7814 (free_lang_status): Likewise.
7815 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
7816 * function.c (init_lang_status): New variable.
7817 (free_lang_status): Likewise.
7818 (push_function_context_to): Don't set function::decl here.
7819 (free_after_copmilation): Make decl parameter implicit. Call
7820 free_lang_status if defined.
7821 (prepare_function_start): Call init_lang_status if defined.
7822 (init_function_start): Set function::decl here.
7823 * profile.c (output_func_start_profiler): Don't call pushdecl
7824 until we've actually started the function.
7825 * stmt.c (free_stmt_status): Make decl parameter implicit.
7826 * toplev.c (rest_of_compilation): Don't pass decl to
7827 free_after_compilation.
7828 * varasm.c (free_varasm_status): Likewise.
7830 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7832 * except.c (call_get_eh_context): Add root when allocating static
7835 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
7837 * arm.c: Include "ggc.h".
7838 (arm_add_gc_roots): New function.
7839 (arm_override_options): Call it.
7840 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
7842 * arm.md (define_asm_attributes): Add a pool_range attribute.
7844 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
7846 * extend.texi (Volatiles): New node.
7848 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
7850 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
7851 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
7852 (struct ggc_any): Replace `mark' with `magic_mark'.
7853 (ggc_alloc_string): Use memcpy, not bcopy.
7854 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
7855 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
7856 (ggc_free_any): New.
7857 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
7858 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
7859 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
7860 Use IS_MARKED. Use ggc_free_any.
7862 1999-09-09 Scott Bambrough <scottb@netwinder.org>
7864 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
7866 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
7868 * toplev.c (main): Always init_ggc.
7870 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
7872 * except.c (find_all_handler_type_matches): Free the list if
7873 we found no matches.
7875 * combine.c (SUBST): Break out to a real function do_SUBST.
7876 (SUBST_INT): Likewise.
7877 * gcse.c (free_pre_mem): Free `temp_bitmap'.
7878 (pre_insert): Free `inserted'.
7879 * loop.c (basic_induction_var): Always set `location'.
7881 * function.c (expand_function_end): Add initial_trampoline as a root.
7882 * rtl.h (init_varasm_once): Declare.
7883 * toplev.c (compile_file): Call it.
7884 * ggc-simple.c (ggc_mark_string_ptr): New.
7885 (ggc_add_string_root): New.
7886 (ggc_collect): Disable collection avoidance temporarily.
7887 * ggc.h (ggc_add_string_root): Declare.
7888 * except.c (create_rethrow_ref): Use ggc_alloc_string.
7889 * optabs.c (init_libfuncs): Likewise.
7890 * varasm.c (named_section): Use ggc_alloc_string.
7891 (make_function_rtl): Likewise.
7892 (make_decl_rtl): Likewise.
7893 (assemble_static_space): Likewise.
7894 (assemble_trampoline_template): Likewise.
7895 (output_constant_def): Likewise.
7896 (force_const_mem): Likewise.
7897 (mark_const_hash_entry): New.
7898 (mark_pool_sym_hash_table): New.
7899 (mark_varasm_state): Use it.
7900 (init_varasm_once): New.
7902 * expr.h (init_one_libfunc): Declare.
7903 * optabs.c (init_one_libfunc): New.
7904 (init_optabs): Use it.
7905 * config/gofast.h: Likewise.
7906 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
7907 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
7909 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
7911 * Makefile.in (cppexp.o): Depend on cpphash.h.
7912 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
7914 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
7915 * cpplib.c (do_define): Generalise to handle poisoned definitions,
7916 redefining poisoned identifiers, etc.
7917 (do_undef): Don't allow poisoned identifiers to be undefined.
7918 (do_pragma): Add #pragma poison.
7919 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7921 * cccp.c: Add T_POISON node type.
7922 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
7924 (do_define): Generalise to handle poisoned definitions,
7925 redefining poisoned identifiers, etc.
7926 (do_undef): Don't allow poisoned identifiers to be undefined.
7927 (do_pragma): Add #pragma poison.
7928 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7930 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
7931 * c-pragma.h: Add ps_poison state. We now always have generic
7934 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
7936 * ggc.h (ggc_alloc): New function.
7937 (ggc_mark): Likewise.
7938 * ggc-simple.c (ggc_any): New structure.
7939 (ggc_status): Add anys.
7940 (n_anys_collected): New variable.
7941 (ggc_alloc): Define.
7942 (ggc_mark): Likewise.
7943 (ggc_collect): Collect the anys.
7945 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7947 * c-decl.c (mark_binding_level): Make static to match prototype.
7949 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
7951 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
7953 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
7955 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
7956 will use into account. Expand the max width to 5.
7959 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
7961 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
7964 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
7966 * alpha.md (call value patterns): Remove the result predicates.
7968 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
7970 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
7973 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7975 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
7976 changed from extern char *, to extern PTR. Also fix typo in
7977 NEED_DECLARATION_REALLOC test.
7979 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
7981 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7983 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
7984 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
7985 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
7986 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
7988 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
7990 * cccp.c (pcfinclude): Likewise.
7992 * global.c (allocno_compare): Likewise.
7994 * haifa-sched.c (rank_for_schedule): Likewise.
7996 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
7998 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
8000 * stupid.c (stupid_reg_compare): Likewise.
8002 * tree.c (_obstack_allocated_p): Likewise.
8004 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
8006 1999-09-08 Bruce Korb autogen@linuxbox.com
8008 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
8009 why "gperf -F" fails.
8010 * gcc/cp/Makefile.in: ditto
8011 * gcc/Makefile.in: ditto
8012 * gcc/java/Makefile.in: ditto
8014 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
8016 * lists.c: Include ggc.h.
8018 (init_EXPR_INSN_LIST_cache): Install it.
8020 * ggc-simple.c (init_ggc): Absorb the old init.
8021 (ggc_push_context): Use xcalloc.
8022 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
8023 (ggc_collect): Add [rvts] tags to the collection stats.
8025 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
8027 * cccp.c (main): Fix handling of -include and -imacros options.
8029 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
8031 * cpplib.c (cpp_push_buffer): Fix order of arguments.
8033 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8035 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
8038 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8040 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
8041 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
8042 and SET_DEST. Update comment.
8044 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8046 * config/c4x/c4x.c: Include ggc.h.
8047 (c4x_add_gc_roots): New function.
8048 (c4x_override_options): Call c4x_add_gc_roots.
8050 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
8052 * defaults.h (TARGET_ESC): Move ...
8053 * system.h: ... here, where Linas had it in the first place. Silly me.
8055 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
8057 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
8058 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
8059 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
8060 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
8061 * defaults.h (TARGET_ESC): Add default.
8063 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
8065 * configure.in: add i370-*-openedition, i370-*-mvs and
8066 i370-*-linux targets
8068 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
8070 * dsp16xxx.c: Include ggc.h
8071 (override_options): Mark GC roots.
8072 * mn10200.c: Include ggc.h.
8073 (asm_file_start): Mark GC roots.
8074 * tahoe.c: Include ggc.h.
8075 (extensible_operand): Mark GC roots.
8077 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
8079 * README: Add section discussing status of ELF ABI.
8080 * i370.c: Fix misc spelling mistakes.
8081 (i370_label_scan): Updated notes, exception handling.
8082 (i370_function_prolog): Simplify ELF stack handling.
8083 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
8084 (STACK_GROWS_DOWNWARD): ELF stack grows down.
8085 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
8086 * i370.md: (movdi): Add notes.
8087 (floatsidf2): Use stack not rtca for scratch float area.
8088 (iorsi3): Correct operand constraints.
8089 * x-oe: Restore TAROUTOPTS which are used by pax.
8091 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
8093 * rs6000.c: Include ggc.h.
8094 (rs6000_add_gc_roots): New function.
8095 (override_options): Call it.
8097 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
8099 * alpha.h (alpha_compare): New.
8100 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
8101 * alpha.c: Likewise for the definitions.
8102 (alpha_emit_conditional_branch): Update for alpha_compare.
8103 (alpha_emit_conditional_move): Likewise.
8104 * alpha.md (cmpdf, cmpdi): Likewise.
8105 (setcc patterns): Likewise. Zero alpha_compare after use.
8106 (sne): Optimize (x != 0) into (0U < x).
8108 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
8110 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
8111 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
8112 (INIT_EXPANDERS): Remove.
8113 * alpha.c: Include ggc.h.
8114 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
8115 (alpha_init_machine_status, alpha_mark_machine_status): New.
8116 (override_options): Install them.
8117 (struct machine_function): Moved to alpha.h.
8118 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
8119 (alpha_init_expanders): Remove.
8120 (alpha_return_addr): Adjust to use current_function->machine.
8121 (alpha_ra_ever_killed): Likewise.
8122 (alpha_expand_epilogue): Likewise.
8123 * alpha.md (eh_epilogue): Likewise.
8125 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
8126 Melissa O'Neill <oneill@cs.sfu.ca>
8127 Geoffrey Keating <geoffk@cygnus.com>
8129 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
8130 call-used registers (call-saved registers must still be contiguous
8131 and end with r31, of course).
8133 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
8135 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
8136 (self_promoting_type_p): Delete.
8137 (self_promoting_args_p): Move ...
8138 * c-common.c: ... here.
8139 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
8140 (simple_type_promotes_to): New.
8141 * builtins.c (lang_type_promotes_to): New.
8142 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
8143 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
8144 * c-common.h: ... here.
8145 (self_promoting_args_p, simple_type_promotes_to): Declare.
8146 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
8147 (grokdeclarator): Likewise.
8148 * tree.h (lang_type_promotes_to): Declare.
8150 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
8152 Add some machine-dependent GC roots.
8153 * sparc.c: Include ggc.h.
8154 (sparc_add_gc_roots): New function.
8155 (mark_ultrasparc_pipeline_state): Likewise.
8156 (override_options): Call sparc_add_gc_roots.
8157 * pa.c: Include ggc.h.
8158 (pa_add_gc_roots): New function.
8159 (mark_deferred_plabels): Likewise.
8160 (override_options): Call pa_add_gc_roots.
8161 * mips.c: Include ggc.h.
8162 (mips_add_gc_roots): New function.
8163 (override_options): Use it.
8165 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8167 * cpperror.c (cpp_file_line_for_message): Constify a char*.
8169 * cppexp.c (parse_number, parse_charconst, cpp_lex,
8170 cpp_parse_expr): Add static prototypes.
8171 (parse_charconst): Don't cast away const-ness.
8172 (token): Constify a char*.
8174 * cppfiles.c (file_name_list, include_hash, find_include_file,
8175 finclude, initialize_input_buffer): Constify a char*.
8176 (file_cleanup, find_position): Add static prototypes.
8178 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
8179 collect_expansion): Add static prototypes.
8180 (cpp_install, create_definition, monthnames): Constify a char*.
8182 * cpphash.h (cpp_install): Likewise.
8184 * cppinit.c (known_suffixes, default_include,
8185 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
8186 (base_name, dump_special_to_buffer, initialize_dependency_output):
8187 Add static prototypes.
8189 * cpplib.c (my_strerror): Constify a char*.
8190 (null_underflow, null_cleanup, skip_comment, copy_comment,
8191 copy_rest_of_line, handle_directive, pass_thru_directive,
8192 get_directive_token, read_line_number, cpp_print_file_and_line,
8193 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
8194 v_cpp_warning_with_line, detect_if_not_defined,
8195 consider_directive_while_skipping): Add static prototypes.
8196 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
8197 cpp_pedwarn_with_file_and_line): Constify a char*.
8199 * cpplib.h (cpp_options, include_hash, progname, definition,
8200 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
8201 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
8202 find_include_file, deps_output, include_hash): Constify a char*.
8204 * cppmain.c (progname): Constify.
8205 (main): Add prototype. Use return, not exit.
8207 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
8208 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
8209 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
8210 check_protection): Add static prototype.
8212 (progname, recognized_macrom, recognized_extern): Constify a char*.
8213 (main): Add prototype.
8215 * gen-protos.c (progname): Constify a char*.
8217 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
8219 * emit-rtl.c (free_emit_status): Take decl as a parameter.
8220 (init_emit_once): Add more GC roots.
8221 * except.c (mark_func_eh_entry): New function.
8222 (mark_eh_node): Mark false_label and rethrow_label.
8223 (init_eh): Add more GC roots.
8224 * function.c (free_after_compilation): Take decl as a paramter.
8225 Call free_stmt_status.
8226 (mark_function_state): Don't assume x_parm_reg_stack_loc is
8228 * function.h (free_after_compilation): Change prototype.
8229 (free_varasm_status): Likewise.
8230 (free_emit_status): Likewise.
8231 (free_stmt_status): New function.
8232 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
8233 Remove, replacing with ...
8234 (ggc_status): New structure.
8235 (ggc_chain): New variable.
8237 (ggc_push_context): New function.
8238 (ggc_pop_context): Likewise.
8239 (ggc_alloc_rtx): Adjust for use of ggc_chain.
8240 (ggc_alloc_rtvec): Likewise.
8241 (ggc_alloc_tree): Likewise.
8242 (ggc_alloc_string): Likewise.
8243 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
8244 (ggc_mark_tree): Give language-dependent code a chance to mark
8246 (ggc_mark_tree_varray): Handle empty arrays.
8247 (ggc_collect): Adjust for use of ggc_chain. Clear
8248 bytes_alloced_since_last_gc.
8249 * ggc.h (ggc_pop_context): New function.
8250 (ggc_push_context): Likewise.
8251 * print-tree.c (print_node): Don't print obstacks when GC'ing.
8252 * stmt.c (free_stmt_status): New function.
8253 (init_stmt_for_function): Clear last_expr_value.
8254 * toplev.c (rest_of_compilation): Always call free_after_compilation.
8255 Conditionalize call to ggc_collect.
8256 (main): Call init_ggc.
8257 * tree.c (push_obstacks): Do the push, even when GC'ing.
8258 (push_obstacks_nochange): Likewise.
8259 (pop_obstacks): Liekwise.
8260 * varasm.c (free_varasm_status): Take decl as a parameter.
8262 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
8264 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
8265 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
8266 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
8267 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
8269 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
8271 * pa/x-pa-mpeix: New file for the MPE port.
8273 * pa/quadlib.asm: New file for long double support.
8275 * configure.in: Add hppa1.0-*-mpeix for MPE port.
8276 * configure: Rebuilt.
8278 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
8280 * final.c (shorten_branches): Fix last change.
8282 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
8284 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
8286 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
8288 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
8291 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8293 * c-aux-info.c (concat): Don't define.
8295 * cccp.c (my_strerror): Likewise. All callers changed to use
8297 (do_include): Call xstrdup, not xmalloc/strcpy.
8298 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
8299 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
8301 * collect2.c (my_strsignal): Likewise. All callers changed to use
8303 (locatelib): Call xstrdup, not xmalloc/strcpy.
8305 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
8307 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
8309 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
8311 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
8313 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
8315 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
8317 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
8319 (find_all_handler_type_matches): Likewise. Don't check return
8321 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
8322 xmalloc, not malloc.
8323 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
8325 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
8326 (init_spec): Call xcalloc, not xmalloc/bzero.
8327 (set_spec): Call xstrdup, not save_string.
8328 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
8329 (find_a_file): Call xstrdup, not xmalloc/strcpy.
8330 (process_command): Call xstrdup, not save_string.
8331 (main): Call xcalloc, not xmalloc/bzero.
8333 * gcov.c (xmalloc): Don't define.
8334 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
8335 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
8336 (output_data): Call xcalloc, not xmalloc/bzero.
8338 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
8340 * mips-tdump.c (xmalloc): Don't define.
8341 (print_symbol): Call xmalloc, not malloc.
8342 (read_tfile): Call xcalloc, not calloc.
8344 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
8345 Don't define. All callers of xfree/my_strsignal changed to use
8346 free/strsignal instead.
8347 (allocate_cluster): Call xcalloc, not calloc.
8349 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
8350 Fix memory leak, free allocated memory.
8352 * prefix.c (translate_name): Call xstrdup, not save_string.
8353 (update_path): Likewise.
8355 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
8357 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
8358 Don't define. Callers of xfree/savestring2 changed to use
8359 free/concat instead.
8361 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
8362 (init_elim_table): Likewise.
8364 * resource.c (init_resource_info): Likewise.
8366 * stupid.c (stupid_life_analysis): Likewise.
8368 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
8369 (open_dump_file): Call concat, not xmalloc/strcpy/...
8370 (clean_dump_file): Likewise.
8371 (compile_file): Call xstrdup, not xmalloc/strcpy.
8373 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
8375 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
8376 * v850.c (v850_va_arg): New.
8378 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8380 * haifa-sched.c: Tidy comments.
8382 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8384 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
8385 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
8386 $(out_object_file)): Depend on ggc.h.
8387 * c-common.c: Include "ggc.h".
8388 (combine_strings): If doing GC, use ggc_alloc_string.
8389 * c-decl.c: Include "ggc.h".
8390 (ggc_p): Define with value 0.
8391 (mark_binding_level): New function.
8392 (init_decl_processing): Add GC roots.
8393 (mark_c_function_context): New function.
8394 (lang_mark_false_label_stack): New function.
8395 (lang_mark_tree): New function.
8396 (lang_cleanup_tree): New function.
8397 * c-lang.c: Include "ggc.h".
8398 (lang_init): Call c_parse_init.
8399 * c-lex.c: Include "ggc.h".
8400 (check_linenum): If doing GC, don't copy filenames to permanent
8402 * c-parse.in: Include "ggc.h".
8403 (c_parse_init): New function.
8404 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
8405 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
8407 * except.c (mark_eh_state): Mark more state.
8408 * function.c (mark_function_state): Likewise.
8409 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
8410 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
8411 * toplev.c (mark_file_stack): New function.
8412 (compile_file): If doing GC, use ggc_alloc_string on input filename.
8413 (main): Add root for input_file_stack.
8415 * i386.c: Include "ggc.h".
8416 (ix86_mark_machine_status): New function.
8417 (override_options): Set mark_machine_status.
8419 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8421 * tree.c (copy_node): Copy node contents also if doing GC.
8423 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8425 * collect2.c (scan_libraries): Fix double-thinko :-).
8427 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
8429 * collect2.c (scan_libraries): Fix thinko.
8431 * cse.c (delete_trivially_dead_insns): Do not skip the last
8432 insn if it is a real insn.
8434 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
8436 * Makefile.in (ggc-simple.o): Depend on hash.h.
8437 * ggc.h (ggc_add_tree_hash_table_root): Declare.
8438 (ggc_mark_tree_varray): Likewise.
8439 (ggc_mark_tree_hash_table): Likewise.
8440 * ggc-simple.c: Include hash.h.
8441 (ggc_mark_tree_hash_table_ptr): New function.
8442 (ggc_mark_tree_hash_table_entry): Likewise.
8443 (ggc_mark_tree_hash_table): Likewise.
8444 (ggc_add_tree_hash_table_root): Likewise.
8445 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
8446 rtx, when defining fields.
8448 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8450 * profile.c (output_func_start_profiler): Remove apparently
8451 nonsensical call to start_sequence.
8453 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
8455 * clipper/clipper.c (clipper_va_start): Fix typos.
8457 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
8458 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
8459 (spur_va_arg): New stub.
8461 * configure.in: Comment out pyramid.
8463 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
8465 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
8466 don't conflict with the bits that win32, cygwin, and dgux
8469 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
8470 Bernd Schmidt <bernds@cygnus.co.uk>
8472 * integrate.c (function_cannot_inline_p): Do not inline
8473 functions with forced labels.
8475 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
8476 Bernd Schmidt <bernds@cygnus.co.uk>
8477 Mark Mitchell <mark@codesourcery.com>
8479 * Makefile.in (ggc-simple.o): Depend on varray.h.
8480 (rtl.o): Depend on ggc.h.
8481 (genattrtab.o): Depend on ggc.h.
8482 (print-tree.o): Likewise.
8483 (fold-const.o): Likewise.
8484 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
8485 (make_insn_raw): Don't cache insns when GC'ing.
8486 (emit_insn_before): Likewise.
8487 (emit_insn_after): Likewise.
8488 (emit_insn): Likewise.
8489 (start_sequence): Use xmalloc to allocate the sequence_stack.
8490 (end_sequence): Add free to free it.
8491 (gen_sequence): Don't cache insns when GC'ing.
8492 (clear_emit_caches): Don't use sequence_element_free_list.
8493 (init_emit): Use xcalloc, not xmalloc+bzero.
8494 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
8495 * function.c (pop_function_context_from): Use free to free the
8496 fixup_var_refs_queue.
8497 (put_reg_into_stack): Allocate it with xmalloc.
8498 * genattrtab.c: Include ggc.h.
8499 (operate_exp): Don't use obstack_free when GC'ing.
8500 (simplify_cond): Likewise.
8501 (simplify_text_exp): Likewise.
8502 (optimize_attrs): Likewise.
8503 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
8505 (gencode): Generate a #include for ggc.h.
8506 * ggc-callbacks.c (ggc_p): Define it to zero.
8507 * ggc-none.c (ggc_p): Likewise.
8508 * ggc-simple.c: Include varray.h.
8509 (ggc_mark_tree_varray): New function.
8510 (ggc_add_tree_varray_root): Likewise.
8511 (ggc_mark_tree_varray_ptr): Likewise.
8512 * ggc.h (ggc_p): Declare.
8513 (varray_head_tag): Likewise.
8514 (ggc_add_tree_varray_root): Declare.
8515 * print-tree.c (print_node): Don't check for TREE_PERMANENT
8516 inconsistencies when GC'ing.
8517 * rtl.c: Include ggc.h.
8518 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
8519 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
8520 (rtx_free): Don't call obstack_free when GC'ing.
8521 * toplev.c (rest_of_compilation): Call ggc_collect after every
8523 * tree.c (push_obstacks): Do nothing, if GC'ing.
8524 (pop_obstacks_nochange): Likewise.
8525 (pop_obstacks): Likewise.
8526 (make_node): Use ggc_alloc_tree when GC'ing.
8527 (copy_node): Likewise.
8528 (get_identifier): Use ggc_alloc_string when GC'ing.
8529 (build_string): Likewise.
8530 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
8531 (tree_cons): Likewise.
8533 (type_hash_canon): Don't call obstack_free when GC'ing.
8535 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
8537 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
8538 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
8540 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
8541 Bernd Schmidt <bernds@cygnus.co.uk>
8542 Mark Mitchell <mark@codesourcery.com>
8544 * Makefile.in (stor-layout.o): Depend on ggc.h.
8545 (expr.o): Depend on ggc.h.
8546 (profile.o): Depend on ggc.h.
8547 (stor-layout.o): Depend on ggc.h.
8548 * emit-rtl.c (init_emit_once): Add gc roots.
8549 * expr.c: Include ggc.h.
8550 (emit_block_move): Add gc roots.
8551 (clear_storage): Likewise.
8552 * expr.h (init_stor_layout_once): New function.
8553 * profile.c: Include ggc.h.
8554 (init_arc_profiler): profiler_label is a root.
8555 * scan.c (make_sstring_space): Trust xrealloc to function
8556 correctly with first parameter NULL.
8557 * stor-layout.c: Include ggc.h.
8558 (set_sizetype): Add gc root.
8559 (init_stor_layout_once): New function.
8560 * toplev.c (compile_file): Call it.
8562 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
8563 Bernd Schmidt <bernds@cygnus.co.uk>
8564 Mark Mitchell <mark@codesourcery.com>
8566 * Makefile.in (tree.o): Depend on ggc.h.
8567 (varasm.o): Likewise.
8568 (function.o): Likewise.
8570 (except.o): Likewise.
8571 (optabs.o): Likewise.
8572 (emit-rtl.o): Likewise.
8573 * emit-rtl.c: Include ggc.h.
8574 (sequence_element_free_list): Remove, and all references.
8575 (mark_sequence): New functions.
8576 (mark_emit_state): New function.
8577 * except.c: Include ggc.h.
8578 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
8579 (mark_tree_label_node): New functions.
8580 (mark_eh_state): New function.
8581 * function.c: Include ggc.h.
8582 (mark_temp_slot, mark_function_chain): New functions.
8583 (mark_function_state): New function.
8584 (init_function_once): New function.
8585 * function.h (init_function_once): New function.
8586 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
8587 * ggc.h (label_node): Declare.
8588 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
8589 (lang_mark_false_label_stack): New function.
8590 (mark_temp_slot): Remove declaration.
8591 (mark_function_chain): Likewise.
8592 (mark_eh_state): Adjust prototype.
8593 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
8595 * optabs.c: Include ggc.h.
8596 (mark_optab): New function.
8597 (init_optabs): Add gc roots.
8598 * stmt.c: Include ggc.h.
8599 (mark_cond_nesting, mark_loop_nesting): New functions.
8600 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
8601 (mark_stmt_state): New function.
8602 * toplev.c (compile_file): Call init_function_once.
8603 * tree.c: Include ggc.h.
8604 (type_hash): Move declaration earlier in file.
8605 (TYPE_HASH_SIZE, type_hash_table): Likewise.
8606 (init_obstacks): Add gc roots.
8607 (mark_type_hash): New function.
8608 * varasm.c: Include ggc.h.
8609 (mark_pool_constant): New function.
8610 (mark_varasm_state): New function.
8612 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8614 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
8616 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8618 * c-decl.c (struct language_function): Renamed from struct c_function.
8620 (c_function_chain): Delete.
8621 (push_c_function_context): New arg F. Don't warn about nested
8622 functions here. Fill LANGUAGE elt of F. Delete code to update
8623 c_function_chain. Don't call push_function_context.
8624 (pop_c_function_context): New arg F. Restore from there instead of
8625 from c_function_chain. Don't call pop_function_context. Clear out
8626 LANGUAGE field of F when done.
8627 * c-lang.c: Include "function.h"
8628 (lang_init): Initialize save_lang_status and restore_lang_status.
8629 * c-parse.in (nested_function, nested_function_notype): Warn about
8630 nested functions. Call push_function_context/pop_function_context
8631 instead of the _c_ variants.
8632 * c-tree.h (push_c_function_context, pop_c_function_context): Update
8634 * Makefile.in (c-lang.o): Update dependencies.
8636 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
8637 regno_pointer_flag, regno_pointer_align.
8638 (gen_reg_rtx): Use xrealloc to enlarge them.
8639 (free_emit_status): New function.
8640 * function.c (mark_machine_status, mark_lang_status): New variables.
8641 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
8642 in some bits from assign_stack_local. All callers changed to use new
8644 (assign_stack_local): Just call assign_stack_local_1.
8645 (free_after_compilation): New function.
8646 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
8647 (trampoline_address): Likewise.
8648 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
8649 (prepare_function_start): Explicitly clear some more variables.
8650 * function.h (struct function): New elt can_garbage_collect.
8651 (mark_machine_status, mark_lang_status): Declare variables.
8652 (free_after_compilation, free_emit_status, free_varasm_status,
8653 init_varasm_status): Declare functions.
8654 * toplev.c (rest_of_compilation): Call free_after_compilation when
8655 done with the current function.
8656 * varasm.c (free_varasm_status): New function.
8658 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
8660 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
8661 (EXPAND_BUILTIN_VA_ARG): Define.
8662 * sparc.c (sparc_va_start): New.
8663 (sparc_va_arg): New.
8665 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8667 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
8669 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8671 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
8673 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
8675 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
8677 (ggc-callbacks.o): New target.
8678 * ggc-callbacks.c: New file.
8680 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8682 * expr.h: Collapse individual optab and libfunc vars to arrays.
8683 (optab_index, libfunc_index): New enumerations.
8684 (optab_table, libfunc_table): New arrays.
8685 Add accessor macros for both.
8687 * optabs.c (optab_table, libfunc_table): New.
8688 Delete declarations for individual optab and libfunc vars.
8690 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
8692 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
8694 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8696 * Makefile.in (GGC, GGC_LIB): New.
8697 (HOST_RTL): Include ggc-none.o.
8698 (ggc-simple.o): New target.
8699 (ggc-none.o): Likewise.
8700 * tree.h (tree_common): Add gc_mark.
8701 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
8702 (struct rtvec_def): Add gc_mark.
8703 * emit-rtl.c (global_rtl): Update static initializers to contain
8704 enough initializers.
8705 * ggc.h, ggc-none.c, ggc-simple.c: New files.
8706 * toplev.c (gc_time): New variable.
8707 (all_time): New variable.
8708 (compile_file): Print gc time.
8709 (print_time): Calculate percentage of the whole.
8711 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8713 Change obstack memory management and varasm constant pool handling so
8714 that nested functions are treated like any other functions.
8715 * function.c (init_machine_status): New variable.
8716 (push_function_context_to): Set contains_functions for the outer
8717 function. Don't call save_varasm_status.
8718 (pop_function_context_from): Don't call restore_varasm_status. Don't
8719 set current_function_contains_functions.
8720 (prepare_function_start): Call init_varasm_status rather than
8721 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
8723 * function.h (struct function) Add field varasm. Delete fields
8724 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
8725 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
8726 (init_machine_status): Declare.
8727 (save_varasm_status, restore_varasm_status): Delete declarations.
8728 (save_tree_status, restore_tree_status): Delete last argument.
8729 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
8730 code. All callers changed.
8731 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
8732 save_constants_in_decl_trees, restore_constants, save_constants,
8733 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
8735 (inlining): New variable.
8736 (reg_map, label_map, insn_map, orig_asm_operands_vector,
8737 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
8739 (save_for_inline_nocopy): Don't save constants.
8740 Don't set inl_emit field in current_function.
8741 (expand_inline_function): Use emit field, not inl_emit, of the inlined
8742 function. Set new variable inlining before
8743 calling copy_rtx_and_substitute.
8744 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
8745 constant pool references if inlining is nonzero.
8746 Delete ADDRESS and (most of the) CONST cases.
8747 (output_inline_function): Save and restore current_function/
8748 current_function_decl. Delete restore_constants code. Don't call
8749 init_const_rtx_hash_table.
8750 * output.h (init_const_rtx_hash_table): Don't declare.
8751 * rtl.h (struct function): Declare.
8752 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
8753 * toplev.c (rest_of_compilation): Don't treat nested functions or
8754 functions containing them specially. Delete all code to deal with
8755 save_for_inline_copying.
8756 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
8757 inline_obstacks): Delete variables.
8758 (save_tree_status): Lose arg CONTEXT. All callers changed.
8759 Simply allocate a new function_maybepermanent_obstack for the new
8760 function, delete all the special cases.
8761 Don't save inline_obstacks.
8762 (restore_tree_status): Lose arg CONTEXT. All callers changed.
8763 Delete special handling for function_maybepermanent_obstack; simply
8765 Don't restore inline_obstacks.
8766 (permanent_allocation): Delete code that frees inline_obstacks.
8767 (print_inline_obstack_statistics): Delete function.
8768 (dump_tree_statistics): Don't call it.
8769 * varasm.c (struct varasm_status): New.
8770 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
8771 last_pool, pool_offset, const_double_chain): Delete global
8772 variables, replace with accessor macros.
8773 (immed_double_const): Don't walk const_double_chain outside a
8774 function, but don't treat nested functions specially anymore.
8775 (immed_real_const_1): Likewise.
8776 (clear_const_double_mem): Don't treat nested functions specially.
8777 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
8778 (save_varasm_status, restore_varasm_status): Delete functions.
8779 (init_varasm_status): New function.
8780 (force_const_mem): Don't treat nested functions specially.
8781 (find_pool_constant): Accept new arg F, search for constants in
8782 that function's pool rather than the current one. All callers
8784 (get_pool_constant_for_function, get_pool_mode_for_function): New
8787 * i386.c (init_386_machine_status): New function, mostly from
8788 clear_386_stack_locals.
8789 (struct machine_functions): Rename element names to avoid name
8791 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
8792 macros, replacing global variables.
8793 (clear_386_stack_locals, save_386_machine_status,
8794 restore_386_machine_status): Delete functions.
8795 (override_options): Initialize init_machine_status.
8796 * i386.h (INIT_EXPANDERS): Delete macro.
8797 (save_386_machine_status, restore_386_machine_status,
8798 clear_386_stack_locals): Delete declarations.
8800 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8802 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
8803 (doloop_begin): Simplify pattern and use emit_jump_insn.
8804 (doloop_end): Simplify pattern, switch operand order,
8805 and use emit_jump_insn.
8807 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8809 * function.h (struct function): Add new element LANGUAGE.
8810 (save_lang_status): Declare new variable.
8811 (restore_lang_status): Likewise.
8812 * function.c (save_lang_status): Define.
8813 (restore_lang_status): Likewise.
8814 (push_function_context_to): Call language-specific save function.
8815 (pop_function_context_from): Call language-specific restore function.
8817 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8819 * i386.md (movsf_1): Check REG_P before use of REGNO.
8820 (movdf_1): Likewise.
8821 (movxf_1): Likewise.
8822 (extendsfdf2): Likewise.
8823 (extendsfxf2): Likewise.
8824 (extenddfxf2): Likewise.
8826 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8828 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
8829 constants into memory.
8830 (c4x_shiftable_constant): New function.
8831 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
8832 (c4x_shiftable_constant): Declare.
8833 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
8834 ashlqi3_noclobber): Add new patterns and associated splitters.
8836 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
8838 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
8839 * dwarf2out.c (dwarf2out_frame_init): Likewise.
8840 * final.c (shorten_branches): Likewise.
8841 * global.c (global_alloc): Likewise.
8842 * haifa-sched.c (build_control_flow): Likewise.
8843 * stmt.c (check_for_full_enumeration_handling): Likewise.
8844 (estimate_case_costs): Likewise.
8846 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
8848 * rtl.h (RTL_CHECKC2): Fix typo in last change.
8850 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
8852 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
8853 (recompute_reg_usage): Likewise.
8854 * rtlanal.c (find_regno_fusage): Likewise.
8856 * rtl.c (rtl_check_failed_code1): New function.
8857 (rtl_check_failed_code2): New.
8858 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
8859 (RTL_CHECKC1, RTL_CHECKC2): New.
8860 (XC*): New accessor macros.
8861 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
8862 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
8863 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
8864 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
8865 (TRAP_*, RANGE_INFO_*): Likewise.
8867 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8869 * Makefile.in (tlink.o): Don't depend on toplev.h.
8871 * collect2.c (c_file, o_file, export_file, import_file, ldout,
8872 output_file, nm_file_name, ldd_file_name, strip_file_name,
8873 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
8874 add_prefix, prefix_from_env, prefix_from_string, do_wait,
8875 fork_execute, maybe_unlink, add_to_list,
8876 extract_init_priority, write_list, dump_list,
8877 dump_prefix_list, write_list_with_asm, write_c_file,
8878 write_c_file_stat, write_c_file_glob, scan_prog_file,
8879 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
8880 ignore_library, extract_string, notice, dump_file, target_machine,
8881 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
8882 read_file, print_load_command): Constify a char*.
8883 (fdopen, error, fatal, fatal_perror): Don't prototype.
8884 (my_strerror): Remove. All callers use xstrerror instead.
8885 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
8886 (main): Add prototype. Constify lots of char* ptrs. Change calls
8887 to xcalloc/strcpy/strcat/... to one call to concat.
8888 (main, scan_prog_file, scan_libraries): Use an intermediate
8889 `const char **' to build an argv array.
8890 (mapfile, libselect, libcompare, locatelib): Add prototypes.
8892 * collect2.h (collect_execute, collect_wait, dump_file,
8893 file_exists): Constify a char*.
8894 (ldout, c_file_name, temporary_obstack, permanent_obstack,
8895 temporary_firstobj, vflag, debug): Add extern declarations.
8896 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
8898 * tlink.c: Don't include toplev.h.
8899 (vflag, debug, ldout, c_file_name, temporary_obstack,
8900 permanent_obstack, temporary_firstobj): Don't declare.
8901 (tlink_execute, frob_extension, symbol_hash_lookup,
8902 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
8903 recompile_files, read_repo_files, demangle_new_symbols,
8904 scan_linker_output): Constify a char*.
8905 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
8906 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
8908 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
8910 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
8911 (relative) rather than jsr (absolute) subroutine call insns.
8912 * config/m68k/m68k-coff.h: Ditto.
8914 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
8916 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
8917 now rework these too.
8918 (arm_reorg): If an insn can't reach the end of the current pool,
8919 ensure that we emit that pool before the insn.
8921 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
8923 * tlink.c (scan_linker_output): Skip the initial underscore in
8924 a mangled name if appropriate.
8926 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8928 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
8929 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
8930 error_with_ivar, gen_declarator, create_builtin_decl,
8931 my_build_string, generate_descriptor_table, generate_ivars_list,
8932 generate_dispatch_table, check_protocols, TAG_GETCLASS,
8933 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
8934 dump_base_name, lang_decode_option, build_encode_expr,
8935 start_class, finish_class, encode_pointer, really_start_method,
8936 gen_declaration, dump_interface, handle_class_ref, handle_impent):
8938 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
8939 Add static prototypes.
8940 (build_objc_string_decl, build_selector_reference_decl,
8941 encode_bitfield, build_class_reference_decl): Remove unused
8942 parameter, all callers changed.
8943 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
8944 (objc_printable_name): Likewise. Change second parameter to type int.
8945 (init_objc): Use memcpy, not bcopy, to avoid casts.
8947 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
8949 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
8950 reg notes on a deleted insn.
8951 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
8953 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
8955 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
8957 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8959 * stmt.c (expand_asm_operands): Fix index into inout_mode when
8962 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
8964 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
8965 * tm.texi (MD_ASM_CLOBBERS): Document it.
8967 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
8969 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
8970 * except.c (expand_rethrow): Remove unused variable.
8971 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
8972 * flow.c (replace_insns): Likewise.
8973 (create_edge_list, verify_edge_list): Likewise.
8974 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
8976 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
8977 is special code to run.
8978 (main): Don't define operands to emit_operand.
8979 * genrecog.c (main): Don't emit an empty peephole2_insn function.
8981 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
8983 * alpha/alpha.h (normal_memory_operand): Declare.
8984 (reg_no_subreg_operand): Declare.
8985 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
8987 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
8989 * c-parse.in (compstmt_primary_start): New, broken out of first
8990 part of compstmt handling in primary.
8991 (primary): Use it. Add an error clause.
8992 (compstmt_nostart): Renamed from compstmt; remove all
8993 initial invocations of compstmt_start.
8996 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
8998 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
9001 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
9003 * combine.c (simplify_shift_const): Remove extra semicolon.
9004 * dwarf2out.c (remove_AT): Likewise.
9005 * expmed.c (expand_mult): Likewise.
9006 * gcov.c (create_program_flow_graph): Likewise.
9007 * reorg.c (mostly_true_jump): Likewise.
9009 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
9011 * fold-const.c (fold_range_test): Do not try to fold the range
9012 test if the rhs or lhs has side effects.
9014 * combine.c (simplify_rtx): Recognize another case of a synthesized
9017 * varasm.c (mark_constant_pool): When marking indirect references,
9018 only look at SYMBOL_REFs.
9020 * except.c (expand_fixup_region_end): Do not peek at
9021 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
9023 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
9025 * flags.h: New variables align_loops, align_loops_log,
9026 align_jumps, align_jumps_log, align_labels, align_labels_log,
9027 align_functions, align_functions_log.
9028 * toplev.c: Define them.
9029 (f_options): Handle -falign-* when they have no argument.
9030 (main): Add logic to set variables for -falign-functions,
9031 -falign-jumps, -falign-labels, -falign-loops.
9032 Make it -fsched-verbose=<n> and -finline-limit=<n>.
9033 (display_help): Change help to match options.
9034 * final.c (LABEL_ALIGN): Default to align_labels_log.
9035 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
9036 (LOOP_ALIGN): Default to align_loops_log.
9037 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
9038 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
9039 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
9040 * varasm.c (assemble_start_function): Handle align_functions.
9042 * config/sparc/sparc.h: Don't declare sparc_align_*.
9043 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
9044 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
9046 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
9048 * config/sparc/sparc.c: Delete sparc_align_loops,
9049 sparc_align_jumps, sparc_align_funcs and the corresponding string
9051 (sparc_override_options): Default align_functions on ultrasparc.
9052 Delete -malign-* handling.
9054 * config/mips/mips.c (override_options): On 64-bit targets,
9055 try to align code to 64-bit boundaries.
9056 (print_operand): New substitution, %~,
9057 which aligns labels to align_labels_log.
9058 * config/mips/mips.md (div_trap_normal): Use %~.
9059 (div_trap_mips16): Likewise.
9064 (ashldi3_internal): Likewise.
9065 (ashrdi3_internal): Likewise.
9066 (lshrdi3_internal): Likewise.
9067 (casesi_internal): Likewise.
9069 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
9071 Merge new ia32 backend from the branch!
9073 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
9074 See ChangeLog.P2 on new_ia32_branch for details.
9076 * rtl.h (stack_regs_mentioned_p): Delete prototype.
9077 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
9078 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9079 * i386/gas.h (ASM_FILE_START): Define.
9080 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
9081 for name change of ix86_valid_decl_attribute_p.
9082 (i386_pe_valid_type_attribute_p): Similarly.
9084 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
9086 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
9087 to step through CC modes.
9089 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9091 * regmove.c (fixup_match_1): Don't move INSN in front of P if
9092 it would end up in the shadow of a live flags regsiter.
9094 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9096 * reload1.c: Fix many indentation problems.
9097 * reload.c: Likewise.
9099 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
9101 * alias.c (non_local_reference_p): Constify fmt.
9103 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
9105 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
9107 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
9109 * cse.c (delete_trivially_dead_insns): Do not delete stores to
9110 the internal_arg_pointer.
9112 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
9114 Merge peephole2 from new_ia32_branch:
9115 * Makefile.in (STAGESTUFF): Add *.peephole2.
9116 (mostlyclean): Likewise.
9117 (recog.o): Depend on resource.h.
9119 * final.c (peephole): Conditionalize decl on HAVE_peephole.
9120 (final_scan_insn): Likewise for the invocation of peephole.
9121 * genconfig.c (main): Look for peephole and peephole2 patterns.
9122 Emit HAVE_peephole* accordingly.
9123 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
9124 * flags.h (flag_peephole2): Declare.
9125 * toplev.c: New pass peephole2. New flag -fpeephole2.
9127 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
9128 * gencodes.c (main): Likewise.
9129 * genextract.c (main): Likewise.
9130 * genoutput.c (main): Likewise.
9131 * genemit.c (max_operand_1): Look for the max scratch operand.
9132 (gen_rtx_scratch): New.
9133 (gen_exp): Use it, and pass on new arg subroutine_type.
9134 (gen_expand): Take max scratch into account.
9135 (gen_split): Emit peephole2 functions.
9136 (output_peephole2_scratch): New.
9137 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
9138 * genrecog.c (routine_type): Add PEEPHOLE2.
9140 (make_insn_sequence): Match outer parallel for peep2. Discard
9141 top level scratches and dups.
9142 (add_to_sequence): New args insn_type and top. Update all callers.
9143 Handle toplevel peep2 matching insns.
9144 (write_subroutine): Handle peep2.
9145 (write_tree_1): Likewise.
9146 (write_tree): Likewise.
9148 (change_state): New arg afterward. Update all callers.
9149 Handle matching separate insns.
9150 * recog.c (recog_next_insn): New.
9151 (peephole2_optimize): New.
9152 * rtl.def (DEFINE_PEEPHOLE2): New.
9153 * resource.c (find_free_register): New argument last_insn. Use it
9154 to find a register available through the entire span.
9155 * resource.h (find_free_register): Update prototype.
9157 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
9159 * i386.c (output_strlen_unroll): Don't write xops[7]
9160 label if it wasn't set.
9162 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
9164 * cpplib.c (struct directive): Const-ify name pointer and
9165 function pointer prototype.
9166 (validate_else, do_define, do_line, do_include, do_undef,
9167 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
9168 do_elif, do_endif, do_sccs, do_assert, do_unassert,
9169 do_warning): Const-ify second arg.
9170 (directive_table): Mark const. Reorder entries by frequency
9171 of usage, record statistics.
9173 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
9175 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
9176 bounds- check RTL accesses if --enable-checking.
9177 (RTVEC_ELT): Bounds check if --enable-checking.
9178 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
9179 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
9180 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
9182 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
9183 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
9185 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
9186 (NOTE_SOURCE_FILE): Use X0STR.
9187 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
9188 MEM_ALIAS_SET): Use X0INT.
9189 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
9190 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
9192 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
9193 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
9194 (rtl_check_failed_bounds, rtl_check_failed_type1,
9195 rtl_check_failed_type2, rtvec_check_failed_bounds): New
9197 (fancy_abort): Fix comment.
9199 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
9200 (cse_insn): Decrement LABEL_NUSES for jump target before
9202 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
9203 * final.c (alter_subreg): Compute regno before changing x to
9204 REG; set REGNO(x) after changing it.
9205 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
9206 notes containing CONST_INTs.
9207 (delete_eh_regions): Use NOTE_EH_HANDLER.
9208 * function.c (put_reg_into_stack): Make reg a MEM before
9210 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
9212 (gen_mem_addressof): Make reg a MEM before initializing it.
9213 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
9215 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
9216 deleting an insn, not after.
9217 (block_alloc): Only look at PATTERN(insn) if we have to, and
9218 only if it's format class 'i'.
9219 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
9220 CONST_INT before using its INTVAL.
9221 * print-rtl.c (print_rtx): Use X0STR.
9222 * regmove.c (fixup_match_1): Don't look at PATTERN of
9223 non-class-'i' insn chain elements.
9224 * reload.c (loc_mentioned_in_p): Take address of
9225 in->fld[1].rtx directly.
9226 * reload1.c (reload): Change reg to a MEM before initializing
9228 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
9230 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
9232 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
9234 * config/mips/mips.c (machine_dependent_reorg): Force a
9235 barrier to output the local constant pool if a barrier hasn't
9236 been found at a natural point in the instruction stream.
9238 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9240 * c-parse.in (language_string): Constify.
9242 * dwarf2out.c (language_string): Remove declaration.
9244 * dwarfout.c (language_string): Likewise.
9246 * toplev.c (language_string, init_parse, finish_parse): Likewise.
9248 * tree.h (language_string, init_parse, finish_parse): Declare.
9250 * i386/sun386.h (language_string): Remove declaration.
9252 * mips.h (language_string): Likewise.
9254 * nextstep.h (language_string): Likewise.
9256 * nextstep21.h (language_string): Likewise.
9258 * rs6000.c (language_string): Likewise.
9260 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9262 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
9263 (getpwd.o): Remove target.
9265 * getpwd.c: Delete file. Its in libiberty now.
9267 * dbxout.c (getpwd): Don't prototype.
9268 * dwarf2out.c (getpwd): Likewise
9269 * dwarfout.c (getpwd): Likewise
9270 * final.c (getpwd): Likewise.
9271 * protoize.c (getpwd): Likewise.
9273 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9275 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
9277 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9279 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
9282 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
9284 * fixinc/Makefile.in (subdir): New.
9285 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
9288 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
9290 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
9291 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
9294 * invoke.texi: Fix typo.
9296 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
9297 changed. Handle autoincrement addressing modes.
9299 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
9300 just like we would the virtual incoming args register when
9303 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
9305 * rs6000.h (ASM_FILE_START): Specify complete filename, including
9306 path, in .file directive.
9308 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
9310 * gcc.texi (External Bugs): Remove obsolete note about Perl on
9313 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
9315 * stdbool.h: Make the typedef name _Bool, with bool a #defined
9318 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9320 * tree.c (tree_code_name): Constify a char*.
9322 * tree.h (tree_code_name, decl_printable_name): Likewise.
9324 * function.h (struct function): Likewise.
9326 * toplev.c (decl_name, decl_printable_name): Likewise.
9328 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
9330 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
9331 (init_objc): Remove function pointer cast.
9333 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9335 * pa.md (interspace_jump): New pattern.
9336 (builtin_longjmp): New expander.
9338 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
9340 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
9341 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
9342 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
9344 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
9346 * jump.c (delete_prior_computation): Also check calls
9347 to constant functions. Don't bother checking for a
9348 REG_UNUSED note before adding it.
9349 (delete_computation): Handle multi-word hard registers
9350 when synthesizing missing REG_DEAD notes for a register
9351 which is both set and used by an insn.
9353 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9355 * loop.c (this_loop_info): New variable.
9356 (loop_has_call, loop_has_volatile, loop_has_tablejump,
9357 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
9359 (prescan_loop, strength_reduce): New argument loop_info. All callers
9361 (scan_loop): New variable loop_info, initialise to address of
9363 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
9364 Delete variable loop_has_multiple_exit targets and replace with
9365 field in this_loop_info.
9366 (find_and_verify_loops): Rename this_loop to this_loop_num.
9367 (strength_reduce): Delete loop_iteration_info. Replace variable
9368 loop_info with function argument of same name.
9369 (insert_bct): Rework test for loop being completely unrolled.
9371 * loop.h (struct loop_info): New fields num, loops_enclosed,
9372 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
9373 has_indirect_jump, and cont. Redefine use of unroll_number.
9374 (loop_unroll_number): Delete.
9376 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
9378 (loop_iterations): Delete variable vtop and instead use
9379 loop_info->vtop computed in prescan_loop.
9381 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
9383 * fix-header.c (main): Do not pass a null pointer to strcmp.
9385 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
9387 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
9389 * configure: Rebuilt.
9391 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
9393 * jump.c (jump_optimize_1): Do not delete assignments to
9394 internal_arg_pointer.
9395 * cse.c (delete_trivially_dead_insns): Always consider a set of
9396 the internal_arg_pointer live.
9398 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
9400 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
9401 (update_life_info) [REG_WAS_0]: Search the original insns rather
9402 than the new insns for the note. Fix typos finding note_dest.
9403 If no dest found, discard the note rather than abort.
9404 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
9405 (replace_insns): Remove the old insn list after update_life_info
9408 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
9410 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
9412 (sched_analyze_1): Let add_dependence care for not adding dups.
9413 (sched_analyze_2): Likewise.
9414 (add_branch_dependences): Likewise.
9416 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
9418 * i386/winnt.c (export_list): New type.
9419 (exports_head): Rename to
9420 (export_head): this.
9421 (i386_pe_record_exported_symbol): Add is_data flag.
9422 (i386_pe_asm_file_end): Emit directive for exported variables.
9423 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
9425 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
9426 (ASM_DECLARE_OBJECT_NAME): Likewise.
9427 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9428 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
9430 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
9432 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
9434 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
9437 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
9439 * config/openbsd.h: Define SET_ASM_OP.
9440 * tm.texi: cross-reference SET_ASM_OP in the index.
9442 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
9444 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
9445 for a CONST_DOUBLE, at compile time. Initialize rtx_length
9446 and class_narrowest_mode at compile time. Kill init_rtl.
9447 Mark rtx_length, mode_class, mode_size, mode_unit_size,
9448 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
9449 rtx_format as const. Kill all references to EXTRA_CC_MODES or
9451 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
9453 * rtl.h: Declare rtx_length and rtx_format as const.
9454 * machmode.def: Define CC(). Use CC() to define CCmode. If
9455 EXTRA_CC_MODES is defined, expand it here.
9456 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
9457 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
9458 const. Kill all references to EXTRA_CC_MODES.
9460 * toplev.c: Don't prototype or call init_rtl.
9461 * optabs.c: Don't call init_mov_optab.
9462 * genemit.c: Don't generate init_mov_optab. Don't call
9464 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
9466 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
9467 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
9468 genrecog.c: Don't call init_rtl.
9470 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
9471 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
9472 definition of EXTRA_CC_MODES.
9474 * md.texi: Kill ref to EXTRA_CC_NAMES.
9475 * tm.texi: Document new way to define EXTRA_CC_MODES.
9477 * genrecog.c: Do not look up the name of a define_split.
9480 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
9482 * config/v850/v850.md: Fix typo introduced by previous delta.
9484 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9486 * gcc.c (fatal): Make definition static to match prototype.
9488 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9490 * combine.c (get_last_value): Don't look for earlier sets if the last
9491 known set is somewhere in between the insns being combined.
9493 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
9495 * configure.in: Don't use shell ! to negate exit codes
9496 * configure: Regenerate
9498 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
9500 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
9501 the fact that ALIGN is measured in bits, not bytes.
9503 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
9505 * errors.c: New file; defines functions error, warning, and
9506 fatal, variables have_error and progname.
9507 * errors.h: New file; prototypes and decls for stuff in errors.c.
9509 * Makefile: Add rules to build errors.o and
9510 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
9511 genopinit, genrecog, genextract, genpeep, genattr, and
9512 genoutput with errors.o. Add errors.h to deps of genconfig.o,
9513 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
9514 genpeep.o, genattr.o, and genoutput.o.
9516 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
9517 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
9518 define or prototype fatal. Set progname at beginning of main.
9519 * genoutput.c: Likewise, and don't define or prototype error
9522 * c-typeck.c (c_expand_start_case): Return immediately if exp
9524 * fold-const.c (operand_equal_p): Return immediately if arg1
9525 or arg0 are ERROR_MARKs.
9526 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
9527 fields of type ERROR_MARK when calculating if the record can
9530 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
9531 with much help from Jeffrey A Law and Richard Henderson
9533 * i386.md: In the 6 insns which call output_fix_trunc,
9534 earlyclobber operands[0].
9536 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
9538 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
9539 creating new registers.
9541 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
9543 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
9544 i386_reg_alloc_order, i386_regparm_string,
9545 i386_align_loops_string, i386_align_jumps_string,
9546 i386_align_funcs_string, i386_preferred_stack_boundary_string,
9547 and i386_branch_cost_string as type "const char *".
9548 * i386.c: Define all above strings as type "const char *".
9550 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
9552 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
9553 when emitting alignment padding. Emit padding byte of 0 instead of 4.
9555 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
9557 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
9558 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
9560 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
9562 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
9563 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
9564 (dwarf2out_line, dwarf2out_finish): Likewise.
9565 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
9567 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9569 * tree.c (lang_unsave_expr_now) : Correct return type.
9570 * tree.h (lang_unsave_expr_now) : Same.
9572 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
9574 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
9575 instead of duplicating code.
9577 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9579 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
9581 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
9583 * tree.h: fancy_abort always takes three args.
9584 * resource.c: Move include of system.h before toplev.h.
9586 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
9588 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
9591 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
9593 * system.h: Don't redefine abort or trim_filename.
9594 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
9595 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
9596 whether or not __FUNCTION__ is available.
9597 * tree.h: Duplicate rtl.h's definition of abort, for files
9598 that don't include rtl.h. Delete all code to perform type
9599 checking with a compiler other than GCC.
9600 * varray.h: Delete all code to perform type checking with a
9601 compiler other than GCC. Make VARRAY_CHECK() always evaluate
9602 its arguments exactly once, using a statement expression.
9603 Adjust the VARRAY_<type> accessor macros to match.
9604 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
9605 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
9606 caller's location. Define fatal_insn and fatal_insn_not_found
9607 as macros that use _fatal_insn and _fatal_insn_not_found.
9608 (fancy_abort, trim_filename): Kill prototypes.
9610 * rtl.c (trim_filename): Move here from toplev.c.
9611 (fancy_abort): New function.
9612 (DIR_SEPARATOR): Provide default definition.
9613 * tree.c (tree_check_failed, tree_class_check_failed): Go
9614 through fancy_abort.
9615 (tree_check, tree_class_check, cst_or_constructor_check,
9616 expr_check): Delete.
9617 * varray.c (varray_check_failed): New function.
9618 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
9619 _fatal_insn and _fatal_insn_not_found. Go through
9621 (trim_filename, fancy_abort): Delete.
9623 * builtins.c (expand_builtin_args_info): Report ICE with abort.
9624 * except.c (start_catch_handler): Report ICE with error/abort
9626 * final.c (output_operand_lossage): Likewise.
9627 * flow.c (verify_flow_info): Likewise.
9629 * gcc.c: Prototype fatal.
9630 * gengenrtl.c: Undef abort after including rtl.h not system.h.
9631 * genattr.c, genattrtab.c, genemit.c, genextract.c,
9632 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
9633 Don't define fancy_abort.
9635 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
9637 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
9640 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
9642 * m88k.h (VERSION_INFO2): Kill.
9643 (VERSION_STRING): Kill.
9645 (VERSION_INFO1): Tidy.
9646 (TARGET_VERSION): Update.
9647 * m88k/dgux.h (VERSION_INFO2): Kill.
9648 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
9649 * m88k/luna.h (VERSION_INFO1): Tidy.
9650 * m88k/sysv4.h (VERSION_INFO1): Likewise.
9651 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
9652 (output_file_start): Adjust for death of VERSION_STRING.
9654 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
9656 * cpplib.c (detect_if_not_defined): New function.
9657 (do_if): Use it to detect potential once-only headers.
9659 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
9661 * c-common.c (combine_strings): Always set TREE_CONSTANT.
9663 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
9665 * combine.c (nonzero_bits) : Allow single-ly set registers to be
9666 anywere in the function only if they are pseudos and set before
9667 being used (not live at the start of the function).
9668 (num_sign_bit_copies) : Same.
9669 (get_last_value_validate) : Same.
9670 (get_last_value) : Same.
9672 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
9674 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
9675 where N and M are constant and N is an integer multiple of M.
9677 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9679 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
9680 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
9681 sbitmap_union_of_preds): Add prototypes.
9682 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
9683 the intersection of successors with the new flow graph structures.
9684 (sbitmap_intersection_of_preds): New function to compute the
9685 intersection of predecessors with the new flow graph structures.
9686 (sbitmap_union_of_succs): New function to compute the union of
9687 successors with the new flow graph structures.
9688 (sbitmap_union_of_preds): New function to compute the union of
9689 predecessors with the new flow graph structures.
9690 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
9691 (expr_reaches_here_p): Use edge and basic_block structures instead
9692 of s_preds and s_succs.
9693 (compute_cprop_avinout): Use new sbitmap routines.
9694 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
9695 of s_preds and s_succs.
9696 * flow.c (compute_flow_dominators): Compute dominators using
9697 edges and basic blocks instead of s_preds and s_succs.
9699 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9701 * lists.c (unused_insn_list, unused_expr_list): New file for
9702 maintaining various types of lists. New statics for maintaining a
9703 cache of available INSN_LIST and EXPR_LIST nodes.
9704 (free_list): Static function for freeing a list of INSN/EXPR nodes.
9705 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
9706 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
9707 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
9708 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
9709 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
9710 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
9711 (free_INSN_LIST_node): Free an individual INSN_LIST node.
9712 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
9713 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
9714 (remove_dependence, free_pending_lists): Use new global routines.
9715 (flush_pending_lists, sched_analyze_insn): Use new global routines.
9716 (sched_analyze, compute_block_backward_dependences): Use new routines.
9717 (sched_analyze_1, sched_analyze_2): Use new routines.
9718 (schedule_insns): Use new global routines.
9719 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
9721 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
9722 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
9724 * toplev.c (rest_of_compilation): Initialize node cache.
9725 * Makefile.in (OBJS): Add lists.o to list of object files.
9726 (lists.o): Add dependancies.
9728 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
9730 * config/v850/v850.md: Fix compile time warning messages.
9731 * config/v850/v850.c: Fix compile time warning messages.
9732 * config/v850/v850.h: Fix compile time warning messages.
9734 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9736 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
9737 Remove unused prototype for `init_lengths'.
9739 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9741 * calls.c (emit_call_1): Mark parameter `stack_size' with
9743 (expand_call): Initialize variable `insn'.
9744 (emit_library_call): Likewise for variable `high_to_save'.
9745 (emit_library_call_value): Likewise.
9746 (store_one_arg): Likewise for variables `lower_bound' and
9749 * combine.c (try_combine): Likewise for variables `i2_code_number'
9750 and `other_code_number'.
9751 (find_split_point): Likewise for variables `pos', `unsignedp' and
9753 (simplify_if_then_else): Likewise for variables `op' and `c1'.
9754 (simplify_and_const_int): Remove unused variable `width'.
9755 (merge_outer_ops): Likewise.
9757 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
9758 HOST_WIDE_INT' when comparing against one.
9759 (simplify_relational_operation): Likewise.
9760 (cse_insn): Initialize variables `src_eqv_volatile',
9761 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
9763 * final.c (init_final): Constify parameter `filename'.
9764 (final_start_function): Mark parameter `optimize' with
9766 (profile_function): Likewise for parameters `first' and `optimize'.
9767 (output_source_line): Likewise for parameter `file'.
9769 * integrate.c (subst_constants): Cast a value to `size_t' when
9770 comparing against one.
9771 (mark_stores): Initialize variable `mode'. Cast a value to
9772 `size_t' when comparing against one.
9774 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
9776 * loop.c (move_movables): Initialize variable `first'.
9777 (strength_reduce): Likewise for variable `increment'.
9778 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
9779 value to `size_t' when comparing against one.
9780 (load_mems): Initialize variable `end_label'.
9782 * output.h (init_final): Constify parameter.
9784 * reload.c (decompose): Initialize variable `base'.
9786 * reload1.c (reload): Likewise for variable `is_scalar'.
9787 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
9788 (choose_reload_regs): Initialize variable `mode'.
9789 (emit_reload_insns): Likewise for variable `store_insn'.
9790 (reload_cse_noop_set_p): Mark parameter `insn' with
9792 (reload_combine): Initialize variable `set'.
9794 * unroll.c (unroll_loop): Likewise for variable `local_label'.
9795 (copy_loop_body): Cast a value to `size_t' when comparing against
9798 * varasm.c (assemble_variable): Initialize variable `size_tree'.
9799 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
9800 (remove_from_pending_weak_list): Mark parameter `name' with
9803 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9805 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
9808 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
9810 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
9811 (ASM_DECLARE_FUNCTION_NAME): Define.
9812 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
9813 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
9814 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
9815 not already defined.
9817 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9819 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
9820 of n_popped when call/call_value are not defined.
9822 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
9824 * tm.texi: GNU CC -> GCC conversion.
9825 (CC1_SPEC): Indicate it is used for all language front ends.
9827 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
9829 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
9830 NOTE_INSN_EH_REGION_END correctly.
9832 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9833 Jeff Law <law@cygnus.com>
9835 * loop.c (strength_reduce): Automatically unroll loops if the
9836 unrolled loop size is smaller than the rolled loop size.
9838 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
9839 and delete comment that code should be rewritten.
9841 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
9843 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
9846 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
9848 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9850 * fixinc/mkfixinc.sh: Don't fix uwin headers.
9851 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
9852 (LINK_SPEC): Add -u _main when building executables.
9853 (ASM_DECLARE_FUNCTION): Update from Cygwin.
9854 (ASM_FILE_END): Use the default for ix86-pe.
9855 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
9857 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
9859 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
9860 and ASM_CLOSE_PAREN are empty strings.
9862 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
9863 Geoffrey Keating <geoffk@cygnus.com>
9865 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
9866 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
9867 (unprotoize.o): Ditto.
9868 (test-protoize-simple): Don't define STD_PROTO_DIR.
9869 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
9870 changes to make 'test-protoize-simple' pass.
9871 (STD_PROTO_DIR): Remove define.
9872 (STANDARD_EXEC_PREFIX): Supply default define.
9873 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
9874 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
9875 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
9876 (GET_ENV_PATH_LIST): New macro.
9877 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
9878 (do_processing): Initialize default_syscalls_dir using new
9879 macros. Use it to initialize syscalls_absolute_filename.
9881 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
9883 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
9884 B into a register before emit_conditional_move.
9886 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
9888 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
9889 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
9890 multiplicand out of (+ (* a b) (* c d)).
9892 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
9893 Richard Henderson <rth@cygnus.com>
9895 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
9896 (new_insn_dead_notes): Likewise.
9897 (update_n_sets): Likewise.
9898 (update_flow_info): Move to flow.c, renamed to update_life_info;
9899 extend to handle multiple source insns.
9900 * flow.c: Include resource.h
9901 (unlink_insn_chain): New.
9902 (split_hard_reg_notes): New.
9903 (maybe_add_dead_note): New.
9904 (maybe_add_dead_note_use): New.
9905 (find_insn_with_note): New.
9906 (new_insn_dead_notes): New.
9907 (update_n_sets): New.
9908 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
9909 (maybe_remove_dead_notes): New.
9910 (update_life_info): New.
9911 (prepend_reg_notes): New.
9912 (replace_insns): New.
9913 * output.h (update_life_info): Declare.
9914 * recog.c (split_block_insns): Use update_life_info.
9915 * resource.c (find_free_register): Use reg_alloc_order, don't use
9916 fixed regs, make sure the mode is supported, don't use new regs.
9918 * rtl.h (replace_insns): Declare.
9920 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
9922 * expr.c (expand_expr): Cope with COND_EXPRs with one
9923 non-returning branch.
9925 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
9927 * expr.c (store_expr): Always pass down the target, even when not
9930 1999-08-24 Nick Clifton <nickc@cygnus.com>
9932 * configure.in: Define target_cpu_default for v850 targets.
9933 * configure: Regenerate
9935 * config/v850/v850.h (TARGET_CPU_generic): Define.
9936 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
9937 addresses are 4 byte aligned.
9939 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
9942 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9944 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
9945 (main): Add prototypes.
9947 * genattrtab.c (substitute_address, write_const_num_delay_slots,
9948 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
9949 (write_attr_get): Emit prototypes along with function definition.
9950 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
9951 (write_complex_function): Emit static prototype along with
9952 function definition.
9954 * genemit.c (gen_split): Emit prototypes along with function
9957 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
9958 Likewise for predicates and `insn_operand_predicate'.
9959 (process_template): Emit static prototype along with function
9962 * genrecog.c (make_insn_sequence): Constify a char*. Add
9963 prototypes for get_split_*().
9964 (write_subroutine): Emit prototypes along with function
9967 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9969 * gcse.c (find_avail_set): Follow chains of register-register copies.
9970 Use oprs_not_set_p to guarantee that the returned value can be
9972 (cprop_insn): Don't verify the return value of find_avail_set with
9975 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
9976 (cprop_cc0_jump): New function.
9977 (cprop_insn): Break out new function cprop_jump and use it.
9978 Also use cprop_cc0_jump for machines with CC0.
9979 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
9981 * tree.h (current_function_calls_setjmp,
9982 current_function_calls_longjmp): Delete declarations.
9983 * dsp16xx.c: Include "function.h".
9984 * elxsi.c: Likewise.
9985 * gmicro.c: Likewise.
9986 * h8300.c: Likewise.
9989 * mn10200.c: Likewise.
9990 * mn10300.c: Likewise.
9991 * ns32k.c: Likewise.
9995 * rtl.h (rtx_equal_function_value_matters): Declare.
9996 * toplev.c (rtx_equal_function_value_matters): Don't declare.
9998 * function.c: Likewise.
9999 * emit-rtl.c: Likewise.
10001 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
10003 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
10006 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10008 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
10011 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
10013 * cpp.texi: Add a node documenting macro varargs (copied
10016 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
10018 * cppspec.c: Put a null pointer at the end of the new argv.
10020 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
10022 * configure.in: Remove code to select/de-select the haifa
10023 scheduler. Every scheduled port gets haifa now.
10024 * configure: Rebuilt.
10025 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
10027 * Makefile.in: Corresponding changes.
10029 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10031 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
10032 All callers changed.
10033 (prepare_float_lib_cmp): Likewise.
10034 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
10035 * expr.h (emit_float_lib_cmp): Delete declaration.
10036 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
10037 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
10038 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
10040 (cmptf): Now conditional on TARGET_HARD_QUAD.
10042 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
10044 * resource.c (mark_target_live_regs): Use
10045 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
10047 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10049 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
10051 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
10053 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
10055 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10057 * rtl.h (rtx_format): Constify a char*.
10059 * rtl.c (rtx_format): Likewise.
10060 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
10061 (init_rtl): Use accessor macro, not `rtx_format'.
10063 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
10066 * caller-save.c (mark_referenced_regs): Likewise.
10068 * combine.c (subst, make_compound_operation, known_cond,
10069 gen_rtx_combine, update_table_tick, get_last_value_validate,
10070 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
10072 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
10073 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
10074 count_reg_usage): Likewise.
10076 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
10079 * final.c (leaf_renumber_regs_insn): Likewise.
10081 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
10082 dump_edge_info, count_reg_references): Likewise.
10084 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
10085 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
10088 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
10089 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
10090 add_label_notes): Likewise.
10092 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
10093 clear_struct_flag, count_sub_rtxs, count_alternatives,
10094 compares_alternatives_p, contained_in_p, walk_attr_value,
10095 write_expr_attr_cache): Likewise.
10097 * genconfig.c (walk_insn_part): Likewise.
10099 * genemit.c (max_operand_1, gen_exp): Likewise.
10101 * genextract.c (walk_rtx): Likewise.
10103 * genflags.c (num_operands): Likewise.
10105 * genoutput.c (scan_operands): Likewise.
10107 * genpeep.c (match_rtx): Likewise.
10109 * genrecog.c (add_to_sequence): Likewise.
10111 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
10114 * integrate.c (save_constants, copy_for_inline,
10115 copy_rtx_and_substitute, subst_constants, restore_constants):
10118 * jump.c (mark_jump_label, invert_exp, redirect_exp,
10119 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
10121 * local-alloc.c (contains_replace_regs, memref_referenced_p):
10124 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
10125 add_label_notes, replace_call_address, count_nonfixed_reads,
10126 invariant_p, find_single_use_in_loop, find_mem_givs,
10127 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
10130 * print-rtl.c (reg_names, print_rtx): Likewise.
10132 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
10134 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
10135 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
10136 print_blocks): Likewise.
10138 * regclass.c (fix_register, record_address_regs,
10139 reg_scan_mark_refs): Likewise.
10141 * regmove.c (stable_but_for_p): Likewise.
10143 * reload.c (loc_mentioned_in_p, operands_match_p,
10144 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
10145 copy_replacements, refers_to_regno_for_reload_p,
10146 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
10147 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
10150 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
10151 delete_address_reloads_1, count_occurrences,
10152 reload_cse_mem_conflict_p, reload_combine_note_use,
10153 add_auto_inc_notes): Likewise.
10155 * resource.c (mark_referenced_resources, mark_set_resources):
10158 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
10159 reg_mentioned_p, regs_set_between_p, modified_between_p,
10160 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
10161 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
10162 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
10163 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
10165 * sched.c (sched_analyze_2, attach_deaths): Likewise.
10167 * stupid.c (stupid_mark_refs): Likewise.
10169 * unroll.c (remap_split_bivs): Likewise.
10171 * varasm.c (mark_constants): Likewise.
10173 * a29k/a29k.c (uses_local_reg_p): Likewise.
10175 * alpha/alpha.c (summarize_insn): Likewise.
10177 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
10178 eliminate_lr2ip): Likewise.
10180 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
10182 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
10183 reg_mentioned_in_mem): Likewise.
10185 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
10186 symbolic_reference_mentioned_p): Likewise.
10188 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
10190 * sh/sh.c (regs_used, mark_use): Likewise.
10192 * vax/vax.c (vax_rtx_cost): Likewise.
10194 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10196 * machmode.h (mode_name): Constify a char*.
10198 * rtl.c (mode_name): Likewise.
10200 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
10202 * optabs.c (init_libfuncs): Constify a char*.
10204 * print-tree.c (mode_name): Remove redundant declaration.
10205 (print_node): Use accessor macro, not `mode_name'.
10207 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
10209 (new_spill_reg): Constify a char*.
10211 * tree.c (mode_name): Remove redundant declaration.
10213 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10215 * rtl.c (rtx_name): Constify a char*.
10217 * rtl.h (rtx_name, fix_sched_param): Likewise.
10219 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
10220 (mypr): Use accessor macro, not `rtx_name'.
10222 * genemit.c (print_code): Constify a char*.
10224 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
10226 * genpeep.c (print_code): Constify a char*.
10228 * genrecog.c (print_code): Likewise.
10230 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
10231 end_bb): Add static prototype.
10232 (draw_edge): Constify a char*.
10233 (end_bb): Remove unused parameter.
10235 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
10236 print_block_visualization): Constify a char*.
10238 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
10240 * c-common.c (c_get_alias_set): Update comment.
10242 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10244 * linux.h (LIB_SPEC): Added.
10246 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10248 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
10250 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
10252 * tree.c (expr_check): Fix typo in last change.
10254 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
10256 * rtl.def (NOTE): Change format to "iuu0n".
10257 (ADDR_DIFF_VEC): Change format to "eEee0".
10258 (ADDRESSOF): Change format to "eit".
10260 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
10261 (RTVEC_ELT): Change to match.
10262 (XVECEXP): Use XVEC and RTVEC_ELT.
10263 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
10264 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
10265 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
10266 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
10267 TRAP_CONDITION, TRAP_CODE): Use XEXP.
10268 (INTVAL): Use XWINT.
10269 (ADDRESSOF_DECL): Use XTREE.
10270 (SET_ADDRESSOF_DECL): Delete.
10271 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
10272 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
10273 ifdefed out since 2.6 at least.
10274 (gen_rtvec_vv): Delete prototype.
10276 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
10278 (copy_most_rtx): Handle 't' format letter.
10279 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
10280 (gen_rtvec_vv): Delete function. All callers changed to use
10281 gen_rtvec_v instead.
10282 * print-rtl.c (print_rtx): Move special casing of NOTEs to
10283 the '0' format letter.
10285 * function.c (gen_mem_addressof): Don't use
10286 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
10288 * integrate.c (copy_rtx_and_substitute): Likewise.
10289 Copy 't' slots with XTREE.
10290 (subst_constants): Treat 't' slots like '[swi]' slots.
10291 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
10292 * jump.c (rtx_equal_for_thread_p): Likewise.
10293 * rtlanal.c (rtx_equal_p): Likewise.
10294 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
10295 only four arguments.
10296 * gengenrtl.c (type_from_format): Provide correct types for
10300 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
10301 If a recent gcc is in use (always in stage2 and beyond), use
10302 statement expressions, so we don't make a function call unless
10303 the check fails. Evaluate arguments exactly once.
10304 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
10305 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
10307 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
10308 they evaluate their arguments exactly once, irrespective of
10309 the compiler in use.
10311 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
10312 is used by the currently-enabled check macros. This is:
10313 (tree_check_failed, tree_class_check_failed): For gcc.
10314 (tree_check, tree_class_check, cst_or_constructor_check,
10315 expr_check): For other compilers.
10317 * gencheck.c: Do not define any *_CHECK1 macros.
10319 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
10320 Mark Mitchell <mark@codesourcery.com>
10322 * c-common.c (c_get_alias_set): Fix support for poitners and
10325 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
10327 * alias.c: Include tree.h.
10328 (nonlocal_reference_p, mark_constant_function): New functions.
10329 * flow.c (life_analysis): Call mark_constant_function.
10330 * rtl.h (mark_constant_function): Declare it.
10332 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
10334 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
10335 unrecognisable switches.
10337 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10339 * loop.c (recombine_givs): Set ix field after sorting.
10340 (recombine_givs): Remove bogus index / giv lockstep looping.
10342 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10344 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
10346 (emit_store_flag_force): Use do_compare_rtx_and_jump.
10347 (do_cmp_and_jump): Formatting fixes.
10348 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
10349 do_compare_rtx_and_jump instead of compare_from_rtx.
10350 (do_compare_rtx_and_jump): New function; mostly copied from
10352 (do_jump_for_compare): Delete.
10353 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
10355 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
10356 of compare/do_jump_for_compare pairs.
10357 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
10358 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
10359 compare_from_rtx/do_jump_for_compare pairs.
10360 (do_jump_by_parts_equality): Likewise.
10361 (do_jump_by_parts_equality_rtx): Likewise.
10362 * expr.h (do_compare_rtx_and_jump): Declare.
10363 * optabs.c (prepare_cmp_insn): New function, contains most of the code
10364 that used to be in emit_cmp_insn.
10365 (cmp_available_p): New function.
10366 (prepare_operand): New function.
10367 (emit_cmp_and_jump_insn_1): New function, contains some code that used
10368 to be in emit_cmp_insn.
10369 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
10370 parameters to be pointers; don't emit final compare but modify some of
10371 the values pointed to by the args so the caller can perform the
10372 correct comparison.
10373 (expand_binop): Call emit_store_flag_force with signed forms of
10375 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
10376 emit_jump_insn pair.
10377 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
10378 emit_cmp_and_jump_insn_1. Call emit_queue.
10379 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
10381 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
10382 jump sets cc0 before deleting it.
10383 * integrate.c (expand_inline_function): Likewise.
10384 * unroll.c (unroll_loop): Similar changes in several places.
10385 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
10386 before deleting it.
10388 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10390 * Makefile.in (insn-recog.o): Update dependencies.
10391 * genrecog.c (main): Make generated file include "function.h".
10393 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
10395 * cse.c (cse_insn): Call never_reached_warning when a jump is
10396 changed to be unconditional.
10397 * flags.h: Declare warn_notreached.
10398 * flow.c (delete_block): Call never_reached_warning when
10399 a block is deleted.
10400 * jump.c (delete_barrier_successors): Call never_reached_warning
10401 when we delete everything after a BARRIER.
10402 (never_reached_warning): New function.
10403 * rtl.h: Declare never_reached_warning.
10404 * toplev.c (warn_notreached): New variable.
10405 (lang_independent_options): Set warn_notreached
10406 when -Wunreachable-code.
10407 (compile_file): We need line numbers for -Wunreachable-code.
10409 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
10411 * haifa-sched.c (insn_unit): Fix typo on out of range test.
10412 * sched.c (insn_unit): Likewise.
10414 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
10416 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
10418 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10420 * flow.c (create_edge_list): Use xmalloc, not malloc.
10422 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
10424 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
10425 C-style comments. Do not lose the character before double slash.
10427 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10429 * basic-block.h (struct edge_list): Stucture to maintain a vector
10431 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
10432 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
10433 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
10434 New function prototypes.
10435 * flow.c (create_edge_list): Function to create an edge list.
10436 (free_edge_list): Discards memory used by an edge list.
10437 (print_edge_list): Debug output showing an edge list.
10438 (verify_edge_list): Internal consistency check for an edge list.
10439 (find_edge_index): Function to find an edge index for a pred and succ.
10441 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
10443 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
10446 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
10448 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
10450 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10452 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10454 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
10456 * toplev.c (rest_of_compilation): Allow machine dependent
10457 reorganisation pass to place information into the RTL dump
10458 file if it so wishes.
10460 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
10462 * explow.c (hard_function_value): Use VOIDmode instead of
10464 * stmt.c (expand_return): Likewise.
10465 * stor-layout.c (get_best_mode): Likewise.
10467 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
10468 emit call instead of emit_insn call.
10470 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
10472 * configure.in: Handle --disable/enable-win32-registry.
10473 * install.texi: Document --disable/enable-win32-registry.
10474 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
10475 (WIN32_REGISTRY_KEY): New macro.
10476 * prefix.c: Use to enable/disable win32-specific code.
10477 (lookup_key): Use versioned key.
10478 * configure: Regenerate.
10479 * config.in: Likewise.
10481 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
10483 * cpplib.c (read_line_number): New fn, split out of...
10486 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10488 tree.c (lang_unsave_expr_now) : New.
10489 (unsave_expr_now): Call lang_unsave_expr_now.
10490 tree.h (lang_unsave_expr_now) : New.
10492 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
10494 * toplev.c (flag_new_exceptions): On by default.
10496 1999-08-13 Michael Meissner <meissner@cygnus.com>
10498 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
10500 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
10502 * dwarfout.c (fundamental_type_code): Return FT_boolean for
10503 INTEGER_TYPE with precision==1, it's __java_boolean.
10505 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10507 * global.c (prune_preferences): Move some invariants out of the
10510 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
10512 * configure.in (alpha*-dec-osf*): Add osf5.
10514 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
10516 * configure.in: Rework handling of ARM GNU/Linux slightly.
10517 (arm*-*-linux-gnuoldld): New target.
10518 * configure: Regenerate.
10519 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
10520 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
10521 * config/arm/linux-oldld.h: New file.
10522 * config/arm/linux-elf26.h: Don't include linux-elf.h.
10523 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
10525 * config/arm/linux-elf.h (ASM_SPEC): Define.
10526 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
10527 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
10528 for 26-bit APCS and old linker.
10529 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
10531 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
10532 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
10533 don't define `arm' or `arm_elf'.
10534 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
10535 MULTILIB_DIRNAMES): Define. Fix typo in comment.
10537 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
10539 * rtl.texi: Fix typo.
10541 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
10543 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
10545 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
10547 * extend.texi (C++ Signatures): Remove node.
10548 * invoke.texi: Remove discussion of -fhandle-signatures,
10549 signature, sigof, __signature__, and __sigof__.
10551 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
10553 * Makefile.in (JAVAGC): Removed.
10555 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
10557 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10559 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10561 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10563 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
10565 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
10566 a register that is already known to be a pointer.
10568 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
10570 * fixinc/inclhack.tpl: Only install assert.h conditionally.
10571 * fixinc/inclhack.sh: Regenerated.
10572 * fixinc/fixincl.sh: Regenerated.
10574 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
10576 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
10577 Fix documentation of -ansi flag to describe its C++ behavior.
10578 Remove bogus reference to GCC 2.9.
10580 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
10582 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
10583 note if it is non-NULL.
10585 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10587 * except.h (eh_nesting_info): Add new structure defintion.
10588 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
10589 (reachable_handlers, update_rethrow_references): Add function
10591 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
10592 a rethrow symbol instead of an integer exception region number.
10593 * flow.c (Make_edges): Use new exception nesting routines to determine
10594 which handlers are reachable from a CALL or asynchronous insn.
10595 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
10597 (delete_eh_regions): Update rethrow labels, and don't delete
10598 regions which are the target of a rethrow.
10599 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
10600 avoid overloading the SYMBOL_REF_USED flag.
10601 (rethrow_symbol_map): Use new rethrow_ref field.
10602 (rethrow_used): Use new rethrow_ref field.
10603 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
10604 of an integer. Fix formatting.
10605 (output_exception_table_entry): Use new rethrow_ref field.
10606 (can_throw): Check for EH_REGION_NOTE before deciding
10607 whether a CALL can throw or not.
10608 (scan_region): Call rethrow_used() instead of accessing data structure.
10609 (update_rethrow_references): New function to make sure only regions
10610 which are still targets of a rethrow are flagged as such.
10611 (process_nestinfo): New static function to initialize a handler
10612 list for a specific region.
10613 (init_eh_nesting_info): New function to allocate and initialize
10614 the list of all EH handlers reachable from all regions.
10615 (reachable_handlers): New function to retrieve the list of handlers
10616 reachable from a specific region and insn.
10617 (free_eh_nesting_info): New function to dispose of a list of
10618 reachable handlers.
10620 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10622 * flow.c (split_edge): Set JUMP_LABEL field.
10623 (commit_one_edge_insertion): Set head correctly for insert_before.
10624 When inserting insns, update insn block numbers if allocated.
10626 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10628 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
10629 retry_incomplete_types): Add static prototype.
10630 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
10631 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
10632 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
10633 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
10634 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
10637 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
10638 dwarf2out_start_source_file, dwarf2out_line): Likewise.
10640 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10642 * output.h (assemble_name): Constify a char*.
10644 * varasm.c (UNIQUE_SECTION, assemble_start_function,
10645 assemble_variable, assemble_name): Likewise.
10647 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
10649 * arm/pe.c (arm_pe_unique_section): Likewise.
10651 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
10653 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
10655 * i386/interix.c (i386_pe_unique_section): Likewise.
10657 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
10659 * i386/winnt.c (i386_pe_unique_section): Likewise.
10661 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
10663 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
10665 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
10667 * pa/pa.c (output_call): Likewise.
10669 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
10671 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
10673 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
10676 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
10679 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
10681 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
10682 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
10684 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
10686 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10688 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
10690 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10692 * tree.h (lang_identify): Constify a char*.
10693 (print_error_function): Add extern prototype. Constify a char*.
10695 * c-lang.c (lang_identify): Constify a char*.
10697 * objc/objc-act.c (lang_identify): Constify a char*.
10699 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10701 * genpeep.c (main): Make generated file include "function.h".
10702 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
10704 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10706 * Makefile.in: Update dependencies.
10707 * alias.c: Include "function.h"
10708 * c-decl.c: Likewise.
10709 * caller-save.c: Likewise.
10710 * calls.c: Likewise.
10711 * combine.c: Likewise.
10713 * explow.c: Likewise.
10714 * final.c: Likewise.
10715 * global.c: Likewise.
10716 * graph.c: Likewise.
10717 * local-alloc.c: Likewise.
10718 * loop.c: Likewise.
10719 * optabs.c: Likewise.
10720 * profile.c: Likewise.
10721 * recog.c: Likewise.
10722 * regclass.c: Likewise.
10723 * regmove.c: Likewise.
10724 * reload.c: Likewise.
10725 * reorg.c: Likewise.
10726 * resource.c: Likewise.
10727 * sched.c: Likewise.
10728 * stupid.c: Likewise.
10729 * config/1750a/1750a.c: Likewise.
10730 * config/a29k/a29k.c: Likewise.
10731 * config/arc/arc.c: Likewise.
10732 * config/arm/arm.c: Likewise.
10733 * config/arm/thumb.c: Likewise.
10734 * config/c4x/c4x.c: Likewise.
10735 * config/clipper/clipper.c: Likewise.
10736 * config/convex/convex.c: Likewise.
10737 * config/fx80/fx80.c: Likewise.
10738 * config/i860/i860.c: Likewise.
10739 * config/m68k/m68k.c: Likewise.
10740 * config/m88k/m88k.c: Likewise.
10741 * config/mips/mips.c: Likewise.
10742 * config/pdp11/pdp11.c: Likewise.
10743 * config/pyr/pyr.c: Likewise.
10744 * config/romp/romp.c: Likewise.
10745 * config/sh/sh.c: Likewise.
10746 * config/tahoe/tahoe.c: Likewise.
10747 * config/vax/vax.c: Likewise.
10748 * config/we32k/we32k.c: Likewise.
10749 * config/sparc/sparc.c: Include "function.h".
10750 (mem_min_alignment): Test current_function rather than
10751 regno_pointer_align.
10752 * config/pa/pa.c: Likewise.
10753 (compute_frame_size): Delete declaration of
10754 current_function_outgoing_args_size.
10755 * config/arc/arc.h (current_function_varargs): Delete declaration.
10756 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
10758 * config/i370/i370.h (current_function_outgoing_args_size): Delete
10760 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
10761 current_function_uses_pic_offset_table.
10762 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
10763 of current_function_returns_pointer.
10764 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10765 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10766 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10767 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10768 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10769 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10770 * config/m88k/m88k.c: Include "function.h"
10771 (call_used_regs, current_function_pretend_args_size,
10772 current_function_outgoing_args_size, frame_pointer_needed): Delete
10774 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
10776 * config/mips/mips.h (current_function_calls_alloca): Delete
10778 * config/mn10200/mn10200.h (current_function_needs_context,
10779 rtx_equal_function_value_matters): Delete declarations.
10780 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
10781 flag_pic): Delete declarations.
10782 * config/pa/pa.h (current_function_pretend_args_size,
10783 current_function_decl): Delete declarations.
10784 * config/pa/som.h (current_function_varargs): Delete declaration.
10785 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
10787 * config/pyr/pyr.h (current_function_pretend_args_size,
10788 current_function_args_size, current_function_calls_alloca): Delete
10790 * config/sh/sh.h (current_function_varargs): Delete declaration.
10791 * config/sparc/sparc.h (current_function_outgoing_args_size,
10792 current_function_calls_alloca, current_function_decl): Delete
10794 * config/spur/spur.h (current_function_pretend_args_size,
10795 current_function_calls_alloca): Delete declarations.
10796 * config/v850/v850.c (current_function_outgoing_args_size): Delete
10798 * config/vax/vms.h (current_function_name): Delete declaration.
10799 * gcse.c: Include "function.h".
10800 (current_function_name, current_function_calls_setjmp): Delete
10802 * haifa-sched.c: Include "function.h".
10803 (forced_labels): Delete declaration.
10804 * jump.c: Likewise.
10805 * reg-stack.c: Likewise.
10806 * reload1.c: Likewise.
10807 * genemit.c (main): Make generated file include function.h.
10808 * genoutput.c (output_prologue): Likewise.
10810 * builtins.c (saveregs_value, apply_args_value): Delete variables.
10811 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
10812 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
10813 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
10814 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
10815 macros for some of them.
10816 (emit_filename, emit_lineno): Delete declarations.
10817 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
10818 regno_pointer_* variables through current_function.
10819 (gen_inline_header_rtx): Delete function.
10820 (save_emit_status): Delete function.
10821 (set_new_last_label_num): New function.
10822 (clear_emit_caches): New function.
10823 (restore_emit_status): Just clear last_labelnum and call
10825 (get_last_insn_anywhere): Variable sequence_stack is now accessed
10826 through macro seq_stack.
10827 (add_insn_after): Likewise.
10828 (add_insn_before): Likewise.
10829 (remove_insn): Likewise.
10830 (pop_topmost_sequence): Likewise.
10831 (in_sequence_p): Likewise.
10832 (start_sequence_for_rtl_expr): Likewise.
10833 (start_sequence): Likewise, and likewise for
10834 sequence_rtl_expr/seq_rtl_expr.
10835 (push_topmost_sequence): Likewise.
10836 (end_sequence): Likewise.
10837 (init_virtual_regs): Now takes a "struct emit_status *" argument.
10838 All callers changed. Store into that pointer instead of globals.
10839 (init_emit): Allocate emit elt of current_function.
10840 Changes for sequence_rtl_expr/sequence_stack renaming.
10841 Call clear_emit_caches instead of doing it in-line.
10842 Access regno_pointer_* variables through current_function.
10843 (init_emit_once) Don't clear sequence_stack.
10845 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
10847 (arg_pointer_save_area): Delete declaration.
10848 (finish_expr_for_function): Renamed from init_queue; no longer static.
10849 (init_expr): Don't call init_queue.
10850 (save_expr_status, restore_expr_status): Delete functions.
10851 (expand_expr): Changes to reflect new layout of struct function.
10852 Don't access current_function_check_memory_usage when current_function
10854 * expr.h (forced_labels, save_expr_regs, saveregs_value,
10855 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
10856 current_function_outgoing_args_size, current_function_arg_offset_rtx,
10857 current_function_uses_const_pool, function_call_count,
10858 current_function_uses_pic_offset_table, nonlocal_labels,
10859 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
10860 current_function_check_memory_usage, nonlocal_goto_handler_slots,
10861 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
10863 (finish_expr_for_function): Declare.
10864 * flags.h (current_function_has_nonlocal_label,
10865 current_function_has_nonlocal_goto, current_function_is_thunk,
10866 current_function_has_computed_jump): Delete declarations.
10867 * flow.c (forced_labels): Delete declaration.
10868 * function.c (current_function_pops_args,
10869 current_function_returns_struct, current_function_returns_pcc_struct,
10870 current_function_needs_context, current_function_calls_setjmp,
10871 current_function_calls_longjmp, current_function_has_nonlocal_label,
10872 current_function_has_nonlocal_goto, current_function_is_thunk,
10873 current_function_has_computed_jump, current_function_calls_alloca,
10874 current_function_contains_functions, current_function_returns_pointer,
10875 current_function_epilogue_delay_list, current_function_args_size,
10876 current_function_pretend_args_size, current_function_arg_offset_rtx,
10877 current_function_outgoing_args_size, current_function_varargs,
10878 current_function_stdarg, current_function_args_info, cleanup_label,
10879 current_function_name, current_function_uses_const_pool,
10880 current_function_instrument_entry_exit, current_function_return_rtx,
10881 current_function_uses_pic_offset_table, nonlocal_labels,
10882 current_function_internal_arg_pointer, current_function_cannot_inline,
10883 current_function_check_memory_usage, function_call_count,
10884 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
10885 nonlocal_goto_stack_level, return_label, save_expr_regs,
10886 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
10887 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
10888 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
10889 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
10890 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
10892 (push_function_context_to): Don't save them. Don't call
10893 save_storage_status, save_emit_status or save_expr_status.
10894 (pop_function_context_from): Don't restore them. Don't call
10895 restore_storage_status or restore_expr_status.
10896 (get_func_frame_size): New function.
10897 (get_frame_size): Use it.
10898 (assign_outer_stack_local): Reflect some member name changes in struct
10900 (put_reg_into_stack): Likewise.
10901 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
10903 (fixup_var_refs): Likewise.
10904 (fix_lexical_addr): Likewise.
10905 (trampoline_address): Likewise.
10906 (prepare_function_start): Clear field inlinable of current_function.
10907 (init_function_for_compilation): New function.
10908 (expand_dummy_function_end): New function.
10909 (expand_function_end): Call finish_expr_for_function.
10910 * function.h (struct emit_status): New; fields moved here from struct
10911 function and from global variables. Add accessor macros for some of
10913 (struct expr_status): Likewise.
10914 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
10915 (struct function): Add fields expr and emit, inlinable, inl_emit,
10916 original_arg_vector, original_decl_initial, inl_last_parm_insn,
10917 inl_max_label_num. Add many comments.
10918 Add accessor macros for all elts of struct function that no longer
10919 have a global variable.
10920 (cleanup_label, return_label, frame_offset, tail_recursion_label,
10921 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
10922 stack_slot_list): Delete declarations.
10923 (get_func_frame_size): Declare.
10924 (save_expr_status, restore_expr_status, save_emit_status,
10925 save_storage_status, restore_storage_status): Delete declarations.
10926 (init_virtual_regs): Declare.
10927 * output.h (current_function_pops_args,
10928 current_function_returns_struct, current_function_returns_pcc_struct,
10929 current_function_needs_context, current_function_calls_setjmp,
10930 current_function_calls_longjmp, current_function_calls_alloca,
10931 current_function_has_nonlocal_label, current_function_varargs,
10932 current_function_has_computed_jump, current_function_returns_pointer,
10933 current_function_contains_functions, current_function_args_size,
10934 current_function_pretend_args_size, current_function_stdarg,
10935 current_function_outgoing_args_size, current_function_args_info,
10936 current_function_name, current_function_return_rtx,
10937 current_function_epilogue_delay_list,
10938 current_function_uses_const_pool, current_function_cannot_inline):
10939 Delete declarations.
10940 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
10941 regno_reg_rtx): Delete declaration.
10942 (REGNO_POINTER_FLAG): Delete macro.
10943 * stmt.c (expand_goto): Changes to reflect that some fields in struct
10944 function were renamed.
10945 * stor-layout.c (save_storage_status, restore_storage_status): Delete
10947 * toplev.c: Include "function.h".
10948 (current_function_decl): Delete declaration.
10949 (compile_file): Call init_dummy_function_start and
10950 expand_dummy_function_end around some initializations that need to
10952 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
10953 Call init_function_for_compilation.
10954 * unroll.c: Include "function.h"
10955 (unroll_loop): Access regno_pointer_* variables through
10958 * tree.h (struct tree_decl): Add elt f to saved_insns member.
10959 (DECL_SAVED_INSNS): use it.
10960 (expand_dummy_function_end): Declare.
10961 (init_function_for_compilation): Declare.
10962 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
10963 that it's no longer an INLINE_HEADER.
10964 (expand_call): Likewise.
10965 * integrate.c (finish_inline): Delete function.
10966 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
10967 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
10968 args. Don't generate an INLINE_HEADER rtx, just return the arg
10969 vector. All callers changed.
10970 (save_for_inline_copying): Create a duplicate struct emit_status to
10971 hold the emit state for compiling the current function. Use this and
10972 the other new fields in struct function that are for integration
10973 instead of an INLINE_HEADER.
10974 Use memcpy instead of bcopy.
10975 Store the current struct function in DECL_SAVED_INSNS of fndecl.
10976 (save_for_inline_nocopy): Similar changes, except no new emit_status
10978 (expand_inline_function): Get information from function structure,
10979 not from an inline header rtx.
10980 (output_inline_function): Lose code to extract the necessary
10981 information from an inline header; simply put back the function
10982 structure into current_function. Clear its inlinable elt.
10983 * rtl.def (INLINE_HEADER): Delete.
10984 * rtl.h: Delete all accessors for an INLINE_HEADER.
10985 (gen_inline_header_rtx): Delete declaration.
10986 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
10987 Delete declarations.
10988 (REGNO_POINTER_ALIGN): Delete.
10989 (clear_emit_caches): Declare.
10990 (set_new_last_label_num): Declare.
10992 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
10994 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
10996 * except.c (expand_eh_region_start_for_decl): Always start a new block.
10997 * stmt.c (is_eh_region): Make sure current_function is present, too.
10999 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
11001 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
11002 for 64bit PA targets.
11004 * pa.h (SELECT_SECTION): Define.
11005 * som.h (SELECT_SECTION): Delete.
11007 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11009 * alias.c (init_alias_analysis): Wrap call to
11010 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
11012 1999-08-07 Bruce Korb <autogen@linuxbox.com>
11014 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
11015 <sys/asm.h> contains an asm comment with an apostrophe
11016 * fixinc/inclhack.sh: regen
11017 * fixinc/fixincl.x: regen
11019 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
11021 * function.c (init_function_start): Clear prologue & epilogue.
11022 (prologue_epilogue_contains): New function.
11023 * alias.c (init_alias_analysis): Use it.
11024 * rtl.h (prologue_epilogue_contains): Declare it.
11026 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
11028 * jump.c (onlyjump_p): New function.
11029 * rtl.h: Declare it.
11030 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
11031 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
11033 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
11035 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
11036 to invert loops. Simplify block scanning.
11038 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11040 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
11041 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
11043 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
11045 * config/sparc/liteelf.h: New file to support sparclite-elf target
11046 * config/sparc/t-sp86x: New file to support sparc86x targets
11047 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
11048 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
11049 * configure.in: Support above target triplets
11050 * configure: Regenerated
11052 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
11054 * fixinc/server.c (server_setup): Do not prefix function used as
11055 parameter with `&'.
11057 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
11059 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
11060 Remove fp reg alternatives.
11062 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
11064 * Makefile.in (TAROUTOPTS): Kill.
11065 (install-headers-tar): Use "xpf" for tar headerfile extraction
11066 * i370/x-oe (TAROUTOPTS): Delete.
11067 * m68k/x-apollo68 (TAROUTOPTS): Delete.
11068 * m68k/x-hp320 (TAROUTOPTS): Delete.
11069 * m68k/x-hp320g (TAROUTOPTS): Delete.
11070 * gcc.texi: Update bug reporting text.
11072 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11074 * reg-stack.c (change_stack) Fixed problem with negative array index.
11076 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
11078 * extend.texi, install.texi: Fix spelling mistakes.
11080 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
11081 (s-attrtab); No longer try to use pre-made insn-attrtab file.
11082 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
11083 PREMADE_ATTRTAB_MD.
11084 * mips/t-ecoff: Likewise.
11085 * mips/t-elf: Likewise.
11086 * mips/t-mips: Likewise.
11087 * mips/t-osfrose: Likewise.
11088 * mips/t-r3900: Likewise.
11089 * mips/t-svr3: Likewise.
11090 * mips/t-svr4: Likewise.
11091 * mips/t-ultrix: Likewise.
11093 * gcc.texi: Document recommend means to provide software floating
11094 point libraries in libgcc.a
11096 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
11098 * c-lex.c (yylex): We can have a number with no digits.
11100 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
11102 * jump.c (delete_prior_computation): New function, broken
11103 out of delete_computation. Check for side effects with
11104 side_effects_p instead of FIND_REG_INC_NOTE. Handle
11105 multi-word hard registers.
11106 (delete_computation): Use it. Check for side effects with
11107 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
11108 missing REG_DEAD note for a register which is both set and
11111 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
11113 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
11114 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
11115 (ASM_FILE_START): Import _mcount with the right type.
11116 (ASM_DECLARE_FUNCTION_NAME): Define.
11117 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
11118 * pa.c (output_function_prologue): Always emit the function's label
11120 * pa.h (TEXT_SPACE_P): Define.
11121 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11122 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
11123 * som.h (TEXT_SPACE_P): Delete.
11124 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11125 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
11127 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
11129 * expr.c (emit_group_load): Allow src to be a CONCAT.
11131 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11133 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
11134 (___mulsi3): Use '!' comment character.
11136 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11138 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
11140 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
11142 * gcc.c: Update URLs and mail addresses.
11143 * gcc.texi: Likewise.
11145 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
11147 * rs6000.c (current_file_function_operand): Return zero for
11149 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
11151 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
11154 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
11156 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
11157 allocate space in the stack frame for the PIC register.
11159 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
11161 * m68k.md (xordi3, anddi3): These patterns are not available on
11164 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
11166 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
11167 (PUT_REAL): Likewise.
11169 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11171 * final.c (shorten_branches): Don't add an alignment for loops
11172 that have no label inside.
11174 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11176 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
11177 prototypes in macro HAVE_cmpstrsi.
11179 * cpplib.c (cpp_get_token): Remove unused label `op3'.
11181 * emit-rtl.c (operand_subword): Remove unused variable
11184 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
11186 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
11188 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
11190 * cpphash.c (macroexpand): Delete leading whitespace when arg
11191 is concatenated before.
11192 (unsafe_chars): Correct test for whether + and - can extend a
11195 * cppinit.c (cpp_start_read): Do dependencies for
11196 -include/-imacros files also.
11198 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
11199 tokenizing non-directive lines.
11200 (cpp_expand_to_buffer): Temporarily disable no-output mode.
11201 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
11204 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11206 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
11208 * c-lex.c: Sync with C++ frontend.
11209 (linemode): New variable.
11210 (parse_float): imag, conversion_errno, and type are output only.
11211 (yylex): Adjust. Move initial '.' case into main switch.
11213 (handle_generic_pragma): Just deal with tokens.
11214 (readescape): Use ISXDIGIT and ISGRAPH.
11215 * c-parse.in: Add END_OF_LINE token.
11217 * c-lex.c (lang_init): Generalize.
11218 (nextchar): Remove. Replace uses with UNGETC.
11219 (skip_white_space): Handle linemode here. Optimize for cpplib.
11220 (skip_white_space_on_line): Remove.
11221 (extend_token_buffer_to): New fn.
11222 (extend_token_buffer): Use it.
11223 (read_line_number, check_newline): Just deal with tokens.
11224 (token_getch, token_put_back): New fns.
11225 (yylex): Use them. More cpplib optimizations. Simplify.
11227 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11228 Jason Merrill <jason@yorick.cygnus.com>
11230 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
11231 (consume_string): Make this smart about USE_CPPLIB.
11232 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
11233 (yylex): Rewrite to be intelligent about USE_CPPLIB.
11234 Also, clean up cases where we redundantly set token_buffer[0].
11235 (read_line_number): New fn.
11236 (ignore_escape_flag): New variable.
11238 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
11240 * a29k/t-a29kbare: Fix some comments.
11241 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
11242 (FPBIT, DPBIT): Define.
11243 * a29k/t-vx29k: Likewise.
11244 * arc/t-arc: Likewise.
11245 * arm/t-arm-elf: Likewise.
11246 * arm/t-bare: Likewise.
11247 * arm/t-pe: Likewise.
11248 * arm/t-pe-thumb: Likewise.
11249 * arm/t-semi: Likewise.
11250 * arm/t-thumb: Likewise.
11251 * arm/t-thumb-elf: Likewise.
11252 * arm/t-thumb-linux: Likewise.
11253 * h8300/t-h8300: Likewise.
11254 * i960/t-i960: Likewise.
11255 * i960/t-vxworks960: Likewise.
11256 * m32r/t-m32r: Likewise.
11257 * mips/t-ecoff: Likewise.
11258 * mips/t-elf: Likewise.
11259 * mips/t-r3900: Likewise.
11260 * pa/t-pro: Likewise.
11261 * rs6000/t-aix43: Likewise.
11262 * rs6000/t-beos: Likewise.
11263 * rs6000/t-newas: Likewise.
11264 * rs6000/t-ppccomm: Likewise.
11265 * rs6000/t-rs6000: Likewise.
11266 * rs6000/t-winnt: Likewise.
11267 * rs6000/t-xnewas: Likewise.
11268 * rs6000/t-xrs6000: Likewise.
11269 * sh/t-sh: Likewise.
11270 * sparc/t-elf: Likewise.
11271 * sparc/t-sparcbare: Likewise.
11272 * sparc/t-sparclite: Likewise.
11273 * sparc/t-splet: Likewise.
11274 * v850/t-v850: Likewise.
11275 * mn10200/t-mn10200: Fix comments.
11276 * mn10300/t-mn10300: Likewise.
11278 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
11279 dummy operand. Allocate a new pseudo for the dummy operand.
11280 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
11282 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
11284 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
11286 * configure: Rebuilt.
11287 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
11289 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
11291 * recog.c (preproces_constraints): Zero recog_op_alt before
11292 processing the constraints.
11294 * arm.c (typedef minipool_node): Renamed from pool_node.
11295 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
11296 (add_minipool_constant): New function.
11297 (dump_minipool): New function.
11298 (find_barrier): Remove special case for getting the insn size of
11299 an insn that references the constant pool.
11300 (minipool_fixup): New structure.
11301 (push_minipool_barrier): New function.
11302 (push_minipool_fix): New function.
11303 (note_invalid_constants): New function.
11304 (add_pool_constant, dump_table, fixit, broken_move): Delete.
11305 (arm_reorg): Rewrite code to fix up the constant pool into a
11306 series of mini-pools embedded in the insn stream.
11307 (arm_output_epilogue): New function, made mainly from the body
11308 of output_func_epilogue.
11309 (output_func_epilogue): Move insn generation part of epilogue code
11310 to arm_output_epilogue.
11311 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
11312 * arm.md (pool_range): New attribute.
11313 (zero_extendqidi2): Add attribute pool_range.
11314 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
11315 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
11316 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
11317 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
11318 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
11319 (epilogue): New expand.
11320 (epilogue_insn): New insn. Call arm_output_epilogue.
11322 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
11323 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
11325 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11327 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
11329 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11331 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
11333 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
11335 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
11337 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
11339 * global.c: Fix comment.
11341 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
11343 * gcc.c (access_check): New static function.
11344 (find_a_file): Use it when searching a directory list.
11345 * collect2.c (find_a_file): Don't accept directories found when
11346 searching a directory list.
11348 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
11350 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
11351 function parameters with `&'.
11352 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
11354 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
11356 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
11357 or tidy_fallthru_edge if the last insn in the block is not
11358 an unconditional jump or a simple conditional jump.
11360 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11362 * Makefile.in (c-decl.o): Depends on defaults.h.
11364 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
11366 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
11368 (CLASS_MAX_NREGS): Likewise.
11370 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
11372 * cse.c (cse_insn): Fix dumb thinko in last change.
11374 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11376 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
11379 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
11381 * dwarf2out.c (add_location_or_const_value_attribute): Correct
11382 test for sizes of passed and declared parameter types.
11384 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11386 * fixincludes: Fix the return type of bsearch, char* -> void*.
11388 * fixinc/inclhack.def: Likewise.
11390 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
11392 * invoke.texi (-fdump-translation-unit): New option.
11394 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
11396 * expr.h (PROMOTE_PROTOTYPES): Move ...
11397 * defaults.h: ... to here.
11398 * c-decl.c: Include defaults.h instead of expr.h.
11399 * c-typeck.c: Include defaults.h.
11401 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
11403 * toplev.h (errorcount): Declare.
11404 (warningcount): Likewise.
11405 (sorrycount): Likewise.
11406 * c-lex.c (errorcount): Don't declare.
11407 * dwarf2out.c (errorcount): Don't declare.
11409 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
11411 * config/libgloss.h: Add a note discouraging use with ELF.
11412 * configure.in: Don't use libgloss.h for ELF targets.
11413 Always use_collect2 on a.out targets.
11415 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
11417 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
11418 (force_to_mode, case ASHIFTRT): Add shiftrt label.
11420 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11422 * loop.c (strength_reduce): When doing biv->giv conversion, update
11423 reg note of NEXT->insn.
11425 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11427 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
11429 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11431 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
11432 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
11433 Ensure expr.h is included.
11434 * c-typecheck.c (convert_arguments): Ditto.
11436 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
11438 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
11439 * config/convex/convex.h: Ditto.
11440 * config/dsp16xx/dsp16xx.h: Ditto.
11441 * config/fx80/fx80.h: Ditto.
11442 * config/gmicro/gmicro.h: Ditto.
11443 * config/i370/i370.h: Ditto.
11444 * config/i386/i386.h: Ditto.
11445 * config/m32r/m32r.h: Ditto.
11446 * config/m68k/m68k.h: Ditto.
11447 * config/m88k/m88k.h: Ditto.
11448 * config/mips/mips.h: Ditto.
11449 * config/pa/pa.h: Ditto.
11450 * config/pyr/pyr.h: Ditto.
11451 * config/tahoe/tahoe.h: Ditto.
11452 * config/we32k/we32k.h: Ditto.
11454 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
11455 based on arch size.
11457 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
11459 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
11462 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
11464 1999-08-02 Richard Henderson <rth@cygnus.com>
11466 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
11467 for the register spill block.
11468 (m32r_va_arg): New.
11469 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
11470 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
11472 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
11473 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
11474 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
11476 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11478 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
11479 MAX_WCHAR_TYPE defined in sparc.h.
11480 * config/sparc/linuxaout.h: Likewise.
11481 * config/sparc/linux64.h: Likewise.
11482 Also default to -mvis if CPU is UltraSPARC.
11484 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11486 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
11487 (RTX_OK_FOR_OLO10): Likewise.
11488 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
11489 %lo(), allow it in addresses...
11490 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
11491 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
11492 does not make sense.
11493 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
11494 (sparc_output_scratch_registers): New function.
11495 (output_function_prologue, sparc_flat_output_function_prologue): Use
11497 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
11499 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
11500 * configure.in: Add check for .register pseudo-op support in as and
11501 check for offsetable %lo().
11502 * acconfig.h: Add templates for the above checks.
11503 * configure: Regenerate.
11505 1999-08-02 Richard Henderson <rth@cygnus.com>
11507 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
11508 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
11509 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
11511 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11513 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11516 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11518 * config/float-sparc.h: New file.
11519 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
11520 sparc-*-linux-gnu and sparc64-*-linux*.
11522 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11524 * rs6000.c (rs6000_va_list): Type is an array.
11525 (rs6000_va_start): Don't doubly adjust for varargs.
11526 (rs6000_va_arg): Evaluate long long GPR adjustment.
11528 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
11530 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
11531 -maix64 and -maix32.
11532 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
11533 LINK_SPEC): Change appropriately.
11534 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
11535 (u_short_cint_operand): Likewise.
11536 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
11538 * rs6000/t-aix43 (MULTILIB): Change to -m64.
11540 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
11542 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
11544 * rs6000/rs6000.c (num_insns_constant_wide): Correct
11545 for type promotion.
11546 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
11547 (non_add_cint_operand): Likewise.
11548 (logical_operand): Likewise.
11549 (non_logical_cint_operand): Likewise.
11550 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
11551 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
11552 (rs6000_select_rtx_section): Suppress warning.
11553 (small_data_operand): Suppress warning.
11554 (rs6000_got_register): Suppress warning.
11555 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
11556 type, so `J' is generally the wrong constraint for a SImode value;
11558 (andsi3_internal2): Likewise.
11559 (andsi3_internal3): Likewise.
11560 (iorsi3_internal1): Likewise.
11561 (xorsi3_internal1): Likewise.
11563 (movsf_softfloat): Likewise.
11564 (scc insns): Likewise.
11565 (movsi+2): Preserve sign bits of SImode constant.
11566 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
11567 (movdf+1): Sign-extend properly.
11568 (movdi_32+1): Sign-extend properly.
11569 (scc insns): Sign-extend properly.
11571 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
11574 1999-08-02 Richard Henderson <rth@cygnus.com>
11576 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
11577 -mcpu parsing code.
11578 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
11579 * alpha.md (all fp insns): Likewise.
11581 1999-08-02 Nick Clifton <nickc@cygnus.com>
11583 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
11586 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
11588 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
11589 pic_load_label generator directly.
11590 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
11591 No longer a named pattern.
11593 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
11595 * explow.c (force_reg): Call force_operand if X does not
11596 satisfy general_operand.
11598 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
11600 * fix-header.c (main): When testing for CONTINUED, use string
11601 equality, not pointer equality.
11603 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
11605 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
11607 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
11609 * cse.c (cse_insn): Fix loop which deletes insns after a jump
11610 that has become an unconditional jump.
11612 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
11613 (output_function_epilogue): Similarly.
11615 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11617 * tree.h (init_dummy_function_start): Declare.
11619 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11621 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
11622 last_expr_type, last_expr_value, block_start_count, block_stack,
11623 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
11624 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
11625 dynamically in stmt elt of struct function for each function.
11626 (struct nesting): Rename function_call_count elt to n_function_calls,
11627 target_temp_slot_level to block_target_temp_slot_level. All users
11629 (struct stmt_status): New structure definition.
11630 Add many accessor macros for stmt_status elements which previously
11631 were global variables.
11632 (init_stmt_for_function): Allocate stmt elt for current_function.
11633 Reflect that block_start_count was renamed to
11634 current_block_start_count.
11635 (save_stmt_status, restore_stmt_status): Delete functions.
11636 (preserve_subexpressions_p): Don't access loop_stack when outside
11638 (expand_start_bindings): Reflect that block_start_count was renamed to
11639 current_block_start_count.
11640 (expand_fixup): Likewise.
11641 (expand_decl): Don't access block_stack when outside a function.
11642 (expand_decl_cleanup): Likewise.
11643 (expand_dcc_cleanup): Likewise.
11644 (expand_dhc_cleanup): Likewise.
11645 (expand_anon_union_decl): Likewise.
11646 (set_file_and_line_for_stmt): New function.
11647 (in_control_zone_p): New function.
11649 * function.h (struct function): Add new elt stmt.
11650 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
11651 case_stack, nesting_stack, nesting_depth, block_start_count,
11652 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
11653 emit_lineno, goto_fixup_chain.
11654 (save_eh_status, restore_eh_status, save_stmt_status,
11655 restore_stmt_status): Delete declarations.
11656 * function.c (push_function_context_to): Don't call save_stmt_status.
11657 (pop_function_context_to): Don't call restore_stmt_status.
11658 * tree.h (in_control_zone_p): Declare.
11659 * rtl.h (set_file_and_line_for_stmt): Declare.
11661 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
11662 call set_file_and_line_for_stmt.
11664 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
11666 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
11667 Also update copyright.
11669 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11671 * c-pragma.c: Don't include "except.h".
11672 * emit-rtl.c: Likewise.
11673 * stor-layout.c: Likewise.
11674 * tree.c: Likewise.
11675 * varasm.c: Likewise.
11677 * flow.c: Include "function.h".
11678 * tree.h (init_dummy_function_start): Declare new function.
11680 * except.h (struct eh_status): New structure.
11681 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
11683 (eh_return_stub_label, ehstack, catchstack, ehqueue,
11684 catch_clauses, false_label_stack, caught_return_label_stack,
11685 protect_list, current_function_ehc): Add accessor macros for the
11686 corresponding fields in current_function->eh; delete declarations
11687 for all items that used to be declared here.
11688 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
11689 catch_clauses, false_label_stack, caught_return_label_stack,
11690 protect_list, current_function_ehc): Delete variables.
11691 (init_eh_for_function): Allocate current_function->eh.
11692 (save_eh_status, restore_eh_status): Delete functions.
11694 * function.h (struct function): Add fields next_global and eh.
11695 Delete all exception handling related fields.
11696 * function.c (current_function): New variable.
11697 (all_functions): New variable.
11698 (push_function_context_to): Don't allocate a struct function,
11699 use current_function instead. Call init_dummy_function_start when
11700 outside a function. Clear current_function before returning.
11701 (pop_function_context_from): Restore current_function.
11702 Don't free the restored struct function.
11703 (prepare_function_start): New function.
11704 (init_dummy_function_start): New function.
11705 (init_function_start): Break out some code into prepare_function_start
11708 * stmt.c (save_stmt_status): Don't call save_eh_status.
11709 (restore_stmt_status): Don't call restore_eh_status.
11711 * Makefile.in: Update dependencies.
11713 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
11715 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
11716 of depending on a magic constant value. Update comments.
11717 (hppa_expand_prologue): Similarly.
11719 * pa.md (reload_indi, reload_outdi): Allow any register for the
11720 original reload register.
11722 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
11724 * cccp.c (print_help): Change marcos to macros.
11726 1999-07-30 Richard Henderson <rth@cygnus.com>
11728 * c-typeck.c (initializer_constant_valid_p): Move ...
11729 * c-common.c (initializer_constant_valid_p): ... here. Use
11730 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
11731 of label addresses.
11732 * c-common.h (initializer_constant_valid_p): Declare.
11733 * c-tree.h (initializer_constant_valid_p): Remove.
11735 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
11737 * config/i386/sol2-c1.asm: Align the stack.
11738 * config/i386/sol2-gc1.asm: Likewise.
11740 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
11742 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
11743 -Asparclite for sparc86x.
11744 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
11746 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
11748 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
11750 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
11751 the user if using the non-default arch size in BI_ARCH configuration.
11752 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
11754 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
11755 Fix patterns so that they actually match.
11756 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
11757 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
11758 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
11760 (mulsidi3): Reflect this in the expand.
11761 (smulsi3_highpart): Only on TARGET_ARCH32.
11762 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
11763 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
11764 (umulsidi3): Reflect this in the expand.
11765 (umulsi3_highpart): Only on TARGET_ARCH32.
11766 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
11767 don't require g0 to be zero.
11768 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
11769 ({,u}divsi3): New expands.
11770 ({,u}divsi3_sp64): New patterns.
11771 (after lshrdi3_v8plus): Four new patterns to help combiner
11772 optimizing nested mixed mode shifts.
11774 * config/sparc/sparc.c (sparc_override_options): Use deprecated
11775 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
11776 speed things up. Don't use them by default on plain v9 in 64bit
11777 mode, according to what SPAMv9 sais.
11779 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
11780 top 32 bits of %[og][0-7] in signal handlers.
11781 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
11783 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
11785 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
11786 (ashlsi3): Corresponding changes.
11788 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
11790 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
11792 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
11794 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11796 * arm.h (Hint): Delete macro.
11797 Substitute HOST_WIDE_INT for Hint in some prototypes.
11798 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
11800 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
11802 * builtins.c (expand_builtin_setjmp): Use force_operand to
11803 make sure that the buffer address is in a suitable form to be
11804 passed to force_reg.
11806 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
11808 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
11811 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
11813 * pa.md (indirect_jump): Remove mode from match_operand. Verify
11814 proper mode in the condition string.
11815 (icacheflush, dcacheflush): Remove modes from match_operands.
11817 * pa.c (emit_move_sequence): Always convert scratch_reg to the
11818 proper mode before using it.
11820 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
11823 * pa.c (store_reg): Do not call add_high_const generator directly.
11824 (load_reg, set_reg_plus_d): Likewise.
11825 * pa.md (add_high_const): No longer a named pattern.
11827 * pa.c (legitimize_address): Consistently use Pmode rather than
11828 SImode. Do not call gen_pic2_highpart directly anymore.
11829 * pa.md (pic2_highpart): No longer a named pattern.
11830 (pic2_lo_sum): Similarly. Reformat to make more readable.
11832 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
11837 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11839 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
11841 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
11843 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
11844 and tag the spill mems.
11845 (hppa_va_start): New.
11846 (hppa_va_arg): New.
11847 * pa.h (EXPAND_BUILTIN_VA_START): New.
11848 (EXPAND_BUILTIN_VA_ARG): New.
11850 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
11852 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
11853 and tag the spill mems.
11854 (mn10300_va_start): New.
11855 (mn10300_va_arg): New.
11856 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
11857 (EXPAND_BUILTIN_VA_ARG): New.
11859 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
11861 * mn10200.c (mn10200_va_arg): New.
11862 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
11864 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
11866 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
11867 rather than play with TREE_INT_CST_LOW.
11869 1999-07-27 Philip Blundell <pb@nexus.co.uk>
11871 * config/arm/telf.h: Include dbxelf.h.
11872 (CPP_PREDEFINES): Only define if not already defined.
11873 (ASM_IDENTIFY_GCC): Likewise.
11874 (SUBTARGET_EXTRA_SECTIONS): Likewise.
11875 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
11876 * config/arm/thumb.h (LINK_SPEC): Only define if not already
11878 (DBX_DEBUGGING_INFO): Don't define.
11879 * config/arm/linux-telf.h: New file.
11880 * config/arm/linux-tgas.h: New file.
11881 * config/arm/t-thumb-linux: New file.
11882 * config/arm/uclinux-elf.h: New file.
11883 * config/arm/uclinux-telf.h: New file.
11884 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
11885 thumb-*-uclinux): New targets.
11886 * configure: Regenerate.
11888 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
11890 * pa.md (post_store, pre_load): New expanders.
11891 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
11892 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
11893 need to directly generate RTL for them.
11894 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
11897 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
11899 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
11900 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
11901 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
11902 (secndary_reload_class): Make TARGET_ELF conditional compile.
11903 (print_operand_address): Similar.
11904 (output_toc): Print all values as hex.
11905 (get_issue_rate): Rearrange and add RS64A and PPC630.
11906 * rs6000.h (processor_type): Add RS64A and PPC630.
11907 (PROCESSOR_POWERPC64): New.
11908 (PROMOTE_MODE): Use word_mode.
11909 (RTX_COSTS): Add RS64A and PPC630.
11910 * rs6000.md (scheduling information): Add lmul and ldiv
11911 representing 64-bit integer multiply and divide. Add rs64a and
11912 PPC630 information.
11913 (ashldi3): Add support for "rldic" instruction.
11914 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
11916 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
11918 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
11919 instead of V8 for sparclite86x in cpu_table.
11921 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11923 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
11924 output_file_directive.
11926 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
11928 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
11929 tree for op1, not the rtl.
11931 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
11933 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
11934 to m88k_va_start, leaving only the register spill.
11935 (m88k_build_va_list): New.
11936 (m88k_va_start): New.
11937 (m88k_va_arg): New.
11938 * m88k.h (BUILD_VA_LIST_TYPE): New.
11939 (EXPAND_BUILTIN_VA_START): New.
11940 (EXPAND_BUILTIN_VA_ARG): New.
11942 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
11944 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
11945 Rename from expand_builtin_saveregs.
11946 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
11948 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
11950 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
11951 for the register spill block.
11952 (i960_build_va_list): New.
11953 (i960_va_start): New.
11954 (i960_va_arg): New.
11955 * i960.h (BUILD_VA_LIST_TYPE): New.
11956 (EXPAND_BUILTIN_VA_START): New.
11957 (EXPAND_BUILTIN_VA_ARG): New.
11958 * i960.md (store_multiple): Use change_address on individul mems.
11960 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
11962 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
11964 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
11965 (expand_builtin_va_end): Evaluate arg for side effects.
11966 * c-common.c (c_common_nodes_and_builtins): Construct a
11967 va_list_arg_type_node to handle array decomposition to pointer.
11969 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
11971 * except.c (start_dynamic_cleanup): Use force_operand on the
11974 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
11976 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
11977 * c4x.c (c4x_va_arg): New.
11979 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
11981 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
11982 has manual_pop set.
11984 1999-07-26 Nathan Sidwell <nathan@acm.org>
11986 * eh-common.h (__eh_matcher): Prototype correctly.
11988 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
11990 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
11991 (TARGET_SINGLE_PIC_BASE): Likewise.
11992 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
11994 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
11995 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
11996 (TARGET_OPTIONS): Add -mpic-register=N.
11997 (OUTPUT_INT_ADDR_CONST): New macro.
11998 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
11999 LEGITIMATE_PIC_OPERAND_P): Likewise.
12000 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
12001 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
12002 output_addr_const directly.
12003 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
12005 (thumb_pic_register, thumb_pic_register_string): Declare.
12007 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
12009 (label_mentioned_p): New function: Imported from arm.c.
12010 (legitimize_pic_address): New function: Imported from arm.c.
12011 (is_pic):New function: Imported from arm.c.
12012 (thumb_finalize_pic):New function: Imported from arm.c.
12013 (add_constant): Cope with PIC constants.
12014 (fixit): Cope with PIC constants.
12015 (output_return): Do not treat the PIC register as live if
12016 TARGET_SINGLE_PIC_BASE is true.
12017 (thumb_function_prologue): Do not treat the PIC register as live if
12018 TARGET_SINGLE_PIC_BASE is true.
12019 (thumb_expand_prologue): Do not treat the PIC register as live if
12020 TARGET_SINGLE_PIC_BASE is true.
12021 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
12022 TARGET_SINGLE_PIC_BASE is true.
12023 (thumb_print_operand): Accept '|'.
12024 (thumb_override_options): Process PIC options.
12026 * config/arm/thumb.md (movsi): Support PIC.
12027 (call_insn): Change "i" constraint to "X".
12028 (call_value_insn): Likewise.
12029 (consttable_4, consttable_8, consttable_end): Set and clear
12030 "making_const_table" as appropriate.
12031 (pic_load_addr, pic_add_dot_plus_four): New insns.
12033 * invoke.texi (Thumb Options): Fix spelling. Document new
12034 options -msingle-pic-base and -mpic-register=.
12036 1999-07-26 Andrew Haley <aph@cygnus.com>
12038 * config/m32r/initfini.c (__init): Use a full word immediate for
12039 __fini: this allows it to be placed in any memory region.
12041 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
12042 -mmodel=medium. This is OK for all memory models.
12044 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
12046 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
12047 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
12049 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
12051 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
12054 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
12056 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
12058 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
12059 (BUILD_VA_LIST_TYPE): New.
12060 (EXPAND_BUILTIN_VA_START): New.
12061 (EXPAND_BUILTIN_VA_ARG): New.
12062 * i860.c (output_delayed_branch): Disable.
12063 (output_delay_insn): Likewise.
12064 (i860_saveregs): New.
12065 (i860_build_va_list): New.
12066 (i860_va_start): New.
12067 (i860_va_arg): New.
12068 * i860.md: Disable all peepholes using output_delayed_branch.
12069 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
12071 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
12073 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
12074 (BUILD_VA_LIST_TYPE): New.
12075 (EXPAND_BUILTIN_VA_START): New.
12076 (EXPAND_BUILTIN_VA_ARG): New.
12077 * clipper.c (clipper_builtin_saveregs): Only dump registers.
12078 Return the address of the save area.
12079 (clipper_build_va_list): New.
12080 (clipper_va_start): New.
12081 (clipper_va_arg): New.
12083 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
12085 * arc.h (EXPAND_BUILTIN_VA_START): New.
12086 (EXPAND_BUILTIN_VA_ARG): New.
12087 * arc.c (arc_setup_incoming_varargs): Set alias set of
12089 (arc_va_start): New.
12092 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
12094 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
12095 (BUILD_VA_LIST_TYPE): New.
12096 (EXPAND_BUILTIN_VA_START): New.
12097 (EXPAND_BUILTIN_VA_ARG): New.
12098 * alpha.c (alpha_builtin_saveregs): Delete.
12099 (alpha_build_va_list): New.
12100 (alpha_va_start): New.
12101 (alpha_va_arg): New.
12103 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
12105 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
12107 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
12108 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
12110 * gcc.texi: More changes related to list conversion.
12111 * invoke.texi: Likewise.
12113 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
12115 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
12116 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
12117 (expand_builtin_next_arg): Accept ARGLIST not EXP.
12118 (stabilize_va_list): New function.
12119 (std_expand_builtin_va_start): New function.
12120 (expand_builtin_va_start): New function.
12121 (get_varargs_alias_set): New function.
12122 (std_expand_builtin_va_arg): New function.
12123 (expand_builtin_va_arg): New function.
12124 (expand_builtin_va_end): New function.
12125 (expand_builtin_va_copy): New function.
12126 (expand_builtin): Call them.
12127 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
12128 __builtin_{varargs_start,stdarg_start,end,copy}.
12129 (build_va_arg): New function.
12130 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
12131 (build_va_arg): Declare.
12132 * c-decl.c (ptr_type_node, va_list_type_node): New.
12133 * c-parse.gperf (__builtin_va_arg): New.
12134 * c-parse.in (VA_ARG): New token.
12135 (unary_expr): Recognize it.
12136 * expr.c (expand_expr): Expand VA_ARG_EXPR.
12137 * expr.h (std_expand_builtin_va_start): Declare.
12138 (std_expand_builtin_va_arg): Declare.
12139 (expand_builtin_va_arg): Declare.
12140 (get_varargs_alias_set): Declare.
12141 * tree.def (VA_ARG_EXPR): New.
12142 * tree.h (BUILT_IN_VARARGS_START): New.
12143 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
12144 (ptr_type_node, va_list_type_node): Declare.
12145 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
12146 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
12147 * m88k.h, m88k.c: Likewise.
12148 * mn10300.h, mn10300.c: Likewise.
12149 * pa.h, pa.c: Likewise.
12150 * rs6000.h, rs6000.c: Likewise.
12151 * sh.h, sh.c: Likewise.
12152 * sparc.h, sparc.c: Likewise.
12154 * emit-rtl.c (operand_subword): Copy alias set.
12155 (change_address): Likewise.
12157 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
12159 * pa.c (compute_frame_size): Scan all the used callee saved registers,
12160 not just the first one.
12162 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
12164 * config/arm/arm.h (TARGET_SWITCHES): Add
12165 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
12166 (TARGET_OPTIONS): Add -mpic-register=.
12167 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
12168 (arm_pic_register_string): Declare.
12169 (NEED_PLT_GOT): Delete, replace with ...
12170 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
12171 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
12172 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
12173 * config/arm/arm.c (arm_override_options): Add new option
12175 (arm_pic_register_string): New variable.
12176 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
12177 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
12178 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
12179 (output_return_instruction): Likewise.
12180 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
12181 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
12182 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
12184 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
12185 mention of -msched-prolog. Document new options -msingle-pic-base
12186 and -mpic-register=.
12188 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
12190 * haifa-sched.c (reemit_notes): Tidy.
12191 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
12194 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
12196 * explow.c (trunc_int_for_mode): New function.
12197 (plus_constant_wide): Use it.
12198 * combine.c (simplify_and_const_int): Likewise.
12199 (merge_outer_ops): Likewise.
12200 (simplify_shift_const): Likewise.
12201 * cse.c (simplify_unary_operation): Likewise.
12202 (simplify_binary_operation): Likewise.
12203 * emit-rtl.c (operand_subword): Likewise.
12204 * rtl.h: Declare it.
12206 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12208 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
12209 (use NUM_REGS instead of NUM_INTS).
12211 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12213 * builtins.c: New file.
12214 * expr.c (saveregs_value, apply_args_value): Delete definition,
12215 moved into builtins.c.
12216 (string_constant): No longer static.
12217 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
12218 apply_args_size, apply_result_size, result_vector,
12219 expand_builtin_apply_args, expand_builtin_apply,
12220 expand_builtin_return): Delete functions, moved into builtins.c.
12221 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
12222 * expr.h (saveregs_value, apply_args_value): Declare variables.
12223 (expand_builtin, string_constant): Declare functions.
12224 * Makefile.in: Update to build builtin.o.
12226 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
12228 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
12229 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
12230 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
12231 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
12233 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
12236 1999-07-21 Michael Meissner <meissner@cygnus.com>
12238 * print-rtl.c (print_rtx): Print the names of the virtual
12241 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
12243 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
12244 introduced in previous delta.
12246 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12248 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
12249 to avoid name clash.
12251 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
12253 * c-lex.c (yylex) : Correct the test for overflow when lexing
12256 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
12258 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
12259 (adjust_priority): Always call ADJUST_PRIORITY.
12260 (schedule_insn): Only put insns into the ready at cost 0.
12261 (schedule_block): Remove redundant initial sort. Give clock_var
12262 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
12264 * tm.texi (MD_SCHED_REORDER): Update docs.
12266 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
12267 * sparc.c (ultra_reorder_called_this_block): Delete.
12268 (ultrasparc_sched_init): Don't set it.
12269 (ultrasparc_sched_reorder): Don't check it.
12271 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
12273 * rs6000.h (struct rs6000_args): Add sysv_gregno.
12274 * rs6000.c (init_cumulative_args): Init sysv_gregno.
12275 (function_arg_boundary): Align DFmode.
12276 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
12277 to get fp reg and stack overflow correct.
12278 (function_arg): Likewise.
12279 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
12280 (setup_incoming_varargs): Restructure for ABI_V4; use
12281 function_arg_advance to skip final named argument.
12282 (expand_builtin_saveregs): Properly unskip the last integer arg
12283 when doing varargs. Adjust overflow location calculation.
12285 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
12286 explicitly unsigned.
12287 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
12288 (__VA_GP_REGSAVE): Similarly.
12289 (__va_longlong_p): Delete.
12290 (__va_arg_type_violation): New declaration.
12291 (va_arg): Restructure. Flag promotion errors. Align double.
12292 TFmode passed by reference.
12294 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
12295 in the HOST_BITS_PER_WIDE_INT > 32 case.
12297 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
12299 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
12301 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
12303 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
12304 * toplev.c (documented_lang_options): Add -fpreprocessed.
12305 * cpplib.h (struct cpp_buffer): Add preprocessed.
12306 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
12307 (cpp_start_read): Don't expand macros or emit an initial #line
12308 directive if -fpreprocessed.
12310 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
12312 * cpplib.h (struct cpp_buffer): Added manual_pop for
12313 better C++ tokenization.
12314 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
12315 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
12316 * c-common.c (cpp_token): Make non-static.
12318 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12320 * c-common.h: New file.
12321 * c-common.c (permanent_obstack): Delete unused declaration.
12322 (c_global_trees): New array.
12323 (c_common_nodes_and_builtins): New function; split off common code
12324 from init_decl_processing in both c-decl.c and cp/decl.c.
12325 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
12326 c_global_trees and accessor macros defined in c-common.h.
12327 Include c-common.h.
12328 * c-decl.c: Delete definitions for tree nodes that were replaced by
12330 (init_decl_processing): Build void_list_node.
12331 Call c_common_nodes_and_builtins; delete code to generate the common
12333 * objc/objc-act.c (build_module_descriptor): Rename variable
12334 void_list_node to avoid clash with c-common.h.
12336 * Makefile.in: Update dependencies.
12337 * objc/Make-lang.in: Likewise.
12339 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
12341 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
12342 (UNIQUE_SECTION_P): Likewise.
12343 (UNIQUE_SECTION): Likewise.
12345 1999-07-19 Linas Vepstas <linas@linas.org>
12347 * config/i370/README: New file.
12348 * config/i370/linux.h: New file.
12349 * config/i370/mvs.h: New file.
12350 * config/i370/oe.h: New file.
12351 * config/i370/t-linux: New file.
12352 * config/i370/t-mvs: New file.
12353 * config/i370/t-oe: New file.
12354 * config/i370/x-oe: New file.
12355 * config/i370/xm-linux.h: New file.
12356 * config/i370/xm-mvs.h: New file.
12357 * config/i370/xm-oe.h: New file.
12359 * i370.c (label_node_t): Add first_ref_page, label_addr,
12360 label_first_ref, label_last_ref members.
12361 (mvs_need_base_reload): Renamed from mvs_label_emitted.
12362 (MAX_MVS_LABEL_SIZE): Define.
12363 (MAX_LONG_LABEL_SIZE): Define.
12364 (alias_node_t, alias_anchor, alias_number): New.
12365 (mvs_function_table): Reorder for EBCDIC.
12366 (ascebc, ebcasc): Unconditionally define.
12367 (i370_branch_dest, i370_branch_length): New functions.
12368 (i370_short_branch, i370_label_scan): New functions.
12369 (mvs_get_label): Renamed from mvs_add_label. Search for
12370 an existing label before creating a new one.
12371 (mvs_add_label): New function.
12372 (mvs_get_label_page): New function.
12373 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
12374 over the entire list.
12375 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
12376 (mvs_check_page) [TARGET_ELF_ABI]: New function.
12377 (mvs_add_alias, mvs_need_alias): New functions.
12378 (mvs_get_alias, mvs_check_alias): New functions.
12379 (handle_pragma): New function.
12380 (mvs_function_check): New function.
12381 (unsigned_jump_follows_p): Search harder.
12382 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
12383 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
12384 * i370.h (TARGET_VERSION): Delete.
12385 (CPP_SPEC, CPP_PREDEFINES): Delete.
12386 (mvs_label_emitted): Delete.
12387 (TARGET_EBCDIC): Delete.
12388 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
12389 (HANDLE_PRAGMA): Define.
12390 (HARD_REGNO_NREGS): Handle complex modes.
12391 (HARD_REGNO_MODE_OK): Likewise.
12392 (CLASS_MAX_NREGS): Likewise.
12393 (RET_REG): Likewise.
12394 (EXTRA_CONSTRAINT): Define.
12395 (RETURN_IN_MEMORY): True for DImode.
12396 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
12397 (FUNCTION_PROFILER): Delete.
12398 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
12399 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
12400 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
12401 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
12402 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
12403 (ASM_FILE_START): Add "RMODE ANY".
12404 (ASM_OUTPUT_EXTERNAL): Check for aliases.
12405 (ASM_GLOBALIZE_LABEL): Likewise.
12406 (ASM_OUTPUT_LABELREF): Likewise.
12407 (ASM_OUTPUT_COMMON): Likewise.
12408 (PRINT_OPERAND): Handle 'K', 'W', default.
12409 (PRINT_OPERAND_ADDRESS): New.
12410 (Lots of defines): Add support for TARGET_ELF_ABI.
12411 * i370.md (attr length): New. Define for all patterns.
12412 (*): Lots of tweeks to assembly output and constraints.
12414 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
12416 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
12417 Disable patterns performing SImode comparisons with SImode values
12418 if TARGET_POWERPC64 and instruction does not sign-extend or does
12419 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
12420 differ for signed quantities.
12421 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
12422 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
12423 (decrement_and_branch_on_count): Add 64-bit variant.
12425 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12427 * final.c (output_asm_insn): When searching for the matching string
12428 for a given dialect, don't run past the end of the list of
12429 alternatives if there are fewer alternatives in the template than
12432 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
12434 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
12435 Removed paragraph about compression of files and size limitation,
12436 duplicated in the FAQ. Use gcc-patches for posting patches.
12437 * gcc.c (main): Updated URL with bug reporting instructions to
12438 gcc.gnu.org. Removed e-mail address.
12439 * system.h (abort): Likewise.
12441 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12443 * Makefile.in (stmp-multilib-sub): Make the files extracted
12444 from $(LIBGCC1) writable.
12446 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
12448 * config/arm/aout.h: Reformat for improved readability.
12450 * config/arm/arm.h: Reformat for improved readability.
12451 Replace uses of fprintf with asm_fprintf where appropriate.
12452 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
12453 function declaration assembler actions.
12454 (NUM_INTS): New macro: Convert from bytes to words.
12455 (NUM_REGS): New macro: Compute number of registers required to
12456 hold a quanitity of tyep MODE.
12457 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
12459 (NUM_ARG_REGS): New macro: The number of argument registers
12461 (ARG_REGISTER): New macro: Compute the register number of the Nth
12463 (LAST_ARG_REGNUM): New macro: The number of the last argument
12465 (SP_REGNUM): New macro: Register number of the stack pointer.
12466 (FP_REGNUM): New macro: Register number of the frame pointer.
12467 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
12468 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
12469 CUMULATIVE_ARGS so that it counts registers not bytes.
12471 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
12473 Replace uses of fprintf with asm_fprintf where appropriate.
12474 (output_ascii_pseudo_op): Replace with version from thumb.c
12476 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
12478 * config/arm/elf.h (CPP_PREDEFINES): Replace with
12479 SUBTARGET_CPP_SPEC.
12480 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
12481 (ASM_FILE_START): Emit ASM_APP_OFF.
12483 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
12485 * pa.c (compute_frame_size): Round frame according to
12486 STACK_BOUNDARY rather than a hardwired value.
12488 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
12490 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
12492 * configure: Rebuilt.
12494 * configure.in (hppa*-*-linux*): New configuration.
12495 * configure: Rebuilt.
12496 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
12497 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
12498 * pa/pa-linux.h: New file.
12499 * pa/t-linux: New file.
12500 * pa/xm-linux.h: New file.
12502 * pa.c (hppa_legitimize_address): Change references from SImode to
12503 either Pmode or word_mode as appropriate.
12504 (emit_move_sequence, store_reg, load_reg): Likewise.
12505 (set_reg_plus_d, hppa_expand_prologue): Likewise.
12506 (output_mul_insn): Likewise.
12507 * pa.h (PROMOTE_MODE): Likewise.
12508 (INITIALZE_TRAMPOLINE): Likewise.
12509 (Pmode): Define to word_mode.
12511 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
12512 value of 4. Allocate 8 bytes for each FP register save.
12513 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
12515 (hppa_expand_prologue): Likewise.
12516 * pa.h (PROMOTE_MODE): Likewise.
12517 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
12518 (FUNCTION_ARG_BOUNDARY): Likewise.
12520 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
12522 * pa.c (out_of_line_prologue_epilogue): Delete.
12523 (override_options): Remove -mspace related code.
12524 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12525 (compute_frame_size): Only allocate space for register that
12526 actually need to be saved.
12527 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
12528 (TARGET_SWITCHES): Remove -mspace, -mno-space
12529 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
12530 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
12531 * pa/ee.asm, pa/ee_fp.asm: Delete.
12533 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
12535 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
12536 directive in column zero.
12538 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
12540 * m68k.c (output_function_prologue): Fix computation of save mask
12541 when generating PIC code.
12543 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
12545 * tree.c (build_type_attribute_variant): Move current_obstack restore
12546 after build_qualified_type call.
12548 1999-07-15 Mark Mitchell <mark@codesourcery.com>
12550 * configure.in: Use t-iris6, even with GNU LD.
12551 * config/mips/iris6gld.h: Fix typo in linker spec.
12552 * config/mips/t-iris6gld: Remove.
12554 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
12556 * rs6000.md (insv, extzv): Remove SImode dependence in named
12557 patterns. Explicitly generate DImode RTL if PowerPC64 and
12559 (insvdi): Reverse start and size in instruction template.
12561 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
12563 * invoke.texi: Typo fixes.
12565 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
12567 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
12568 handle at this time instead of silently generating incorrect code.
12569 (gen_imagpart): Likewise.
12571 * reload.c (find_reloads): Emit a USE for a pseudo register without
12572 a hard register if we could not create an optional reload for the
12575 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12577 * c-typeck.c (output_init_element, process_init_element):
12578 When advancing constructor_unfilled_fields for a RECORD_TYPE,
12579 check for nameless bit fields.
12581 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
12583 * regclass.c (scan_one_insn): Notice subregs that change the
12584 size of their operand.
12585 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
12587 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
12589 * configure.in (alpha*-*-*): Include alpha/t-ieee.
12590 * configure: Rebuilt.
12591 * alpha/t-ieee: New file.
12593 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
12595 * rs6000.c (find_addr_reg): Do not select r0 as an address
12598 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
12600 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
12602 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
12604 * rs6000.md (movsf): Do not force easy FP constants into memory.
12606 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
12607 immed_double_const to ensure they are properly truncated then
12610 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12612 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
12613 always unless NO_DEBUG is used. Compile this code
12615 (replace_symbols_in_block): Compile it unconditionally.
12617 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
12619 * configure.in (i?86-*-elf*): New target.
12620 * configure: Rebuilt.
12621 * i386/i386elf.h, i386/t-i386elf: New files.
12623 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12625 * toplev.c (main): Don't complain about saying -gdwarf.
12626 (rest_of_compilation): Remove redundant code.
12628 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
12630 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
12632 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
12634 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
12635 "Li960R:", to avoid name clash.
12637 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12639 * loop.c (check_dbra_loop): When reversing a loop, delete all
12640 REG_EQUAL notes referencing the reversed biv except those which are
12641 for a giv based on it.
12643 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
12645 * version.c: Drop "gcc-" prefix from version #.
12647 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
12649 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
12650 the label if we're being verbose.
12652 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
12654 * m68k.c (output_function_prologue): Add pic register to mask
12655 if live and flag_pic.
12656 (output_function_epilogue): Likewise.
12658 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
12660 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
12661 directives in column zero.
12663 * pa/elf.h (ASM_FILE_START): Define.
12664 * pa/som.h (ASM_FILE_START): Include .level directives.
12665 * pa/hpux10.h (ASM_FILE_START): Delete.
12666 * pa/hpux11.h (ASM_FILE_START): Delete.
12668 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
12670 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12672 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
12673 when reload_out equals reload_in.
12675 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
12677 * invoke.texi (Spec Files): New node: Describe the contents of
12680 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
12682 * invoke.texi (DEC Alpha Options): Put @end table at
12683 beginning of line, to avoid confusing texi2html.
12685 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
12687 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
12688 introduced in previous delta.
12690 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12692 * reload1.c (gen_reload): When synthesizing a 3 operand add
12693 sequence, improve test for when to reload OP1 into the reload
12694 register instead of OP0.
12696 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
12698 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
12700 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
12702 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
12705 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
12707 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
12708 (va_dcl): Use __builtin_va_alist_t.
12710 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
12712 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
12713 on the permanent_obstack.
12714 * dwarfout.c (output_type): Likewise.
12716 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
12718 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12719 Merged from c-typeck.c and cp/typeck.c.
12720 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12721 Merged into c-common.
12723 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
12725 * c-lex.c (errorcount): Declare it.
12726 (finish_parse): Update errorcount when using CPPLIB.
12728 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
12730 * fixinc/inclhack.def(end_else_label): Double the backslash so
12731 sed gets a chance to see it.
12732 * fixinc/inclhack.sh: regen
12733 * fixinc/fixincl.x: regen
12735 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
12737 Add framework to support armv5 architecture when it becomes
12740 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
12741 (arm_arch5): New variable.
12742 (all_architectures): Add armv5 line.
12743 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
12744 -march=armv5 is specified on the command line.
12745 (arm_arch5): Export this variable.
12746 * invoke.texi: Document new string accepted by -march= switch for
12749 * config/arm/arm.h: Replace use of constant 12 as a register
12750 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12751 * config/arm/arm.c: Replace use of constant 12 as a register
12752 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12754 * config/arm/elf.h: Tidy up.
12755 * config/arm/coff.h: Tidy up.
12757 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
12759 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
12760 * gcc/config/mips/t-iris6gld: New file.
12761 * gcc/config/mips/iris6gld.h: Likewise.
12763 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
12765 * c-decl.c (widest_integer_literal_type_node,
12766 widest_unsigned_literal_type) : New.
12767 (init_decl_processing): Handle/use the two new types.
12768 * c-common.c (type_for_size,type_for_mode) : Same.
12769 * c-lex.c (yylex) : Same.
12770 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12772 * c-tree.h (widest_integer_literal_type_node,
12773 widest_unsigned_literal_type) : New.
12775 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
12777 * dwarfout.c (field_byte_offset): Correctly compute the object's
12778 byte offset for the first bit of a field which crosses an alignment
12779 boundary on a !BYTES_BIG_ENDIAN target.
12781 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
12783 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
12786 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
12787 Jeff Law <law@cygnus.com>
12789 * ginclude/varargs.h (va_dcl): Use word_mode for type of
12792 * except.c: Include intl.h.
12793 (expand_eh_return): Set current_function_cannot_inline.
12794 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
12795 * function.h (struct function): Add eh_return_stub_label.
12796 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
12797 * Makefile.in (except.o): Depend on intl.h.
12799 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
12801 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
12802 same as offsettable in cases 1 and 2.
12804 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
12806 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
12807 (extlh, extwh): Likewise.
12809 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
12811 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
12813 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
12815 * configure.in: Add arm-pe and thumb-pe targets.
12816 * configure: Regenerate.
12818 * thumb.c (arm_naked_function_p): New function: Determines if
12819 a function is naked (has no gcc generated prologue/epilogue).
12820 (is_called_in_ARM_mode): Return true if the func has the
12821 interfacearm attribute.
12822 (output_return): Do not generate a return for naked functions.
12823 (thumb_function_prologue): Do not generate a prologue for
12825 (thumb_expand_prologue): Do not generate a prologue for naked
12827 (thumb_expand_epilogue): Do not generate an epilogue for naked
12829 (arm_valid_machine_decl_attribute): New function, copied from
12830 arm.c: Permit naked and interfacearm attributes.
12832 * config/arm/pe.c: New file: Support code for arm-pe target.
12833 * config/arm/pe.h: New file: Header file for arm-pe target.
12834 * config/arm/tpe.h: New file: Header file for thumb-pe target.
12835 * config/arm/t-thumb-pe: New file: Makefile fragment for
12838 1999-07-01 Mark Kettenis <kettenis@gnu.org>
12840 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
12841 -fPIC or -fpic is specified.
12843 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
12845 * expr.c (emit_block_move): Use copy_to_mode_reg for
12846 !TARGET_MEM_FUNCTIONS case too.
12848 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
12850 * configure: Rebuilt.
12851 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
12852 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
12853 definitions made redundant by dbxelf.h inclusion. Delete
12854 lots of definitions related to assembly output that are
12855 specific to the SOM object format.
12856 * pa.c (output_function_prologue): Do not emit the function's
12858 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
12859 * pa-pro.h: Deleted.
12860 * som.h: New file with SOM specific definitions.
12861 * elf.h: New file with ELF specific definitions.
12863 * elfos.h (const_section): Output a tab before assembler directives.
12864 (ctors_section, dtors_section): Likewise.
12865 (ASM_OUTPUT_SECTION_NAME): Likewise.
12867 * pa/pa1.h: Delete unused file.
12869 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
12871 * configure.in (hppa*-hp-hpux11*): New configuration.
12872 * configure: Rebuilt.
12873 * pa/pa-hpux11.h: New file.
12874 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
12877 * mips.md (leasi, leadi): New patterns.
12879 * expr.c (emit_block_move): Properly handle case where one of the
12880 block move arguments has a queued increment or decrement.
12881 (clear_storage): Similarly. Fix formatting goof.
12883 1999-06-28 "David O'Brien" <obrien@NUXI.com>
12885 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
12886 semicolon from the BSD VA_LIST replacement expression.
12888 * fixinc/inclhack.sh: regen
12889 * fixinc/fixincl.x: regen
12891 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
12892 now use the fixincl program.
12894 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
12896 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
12897 case. Also make the PIC register call_used.
12899 * m68k.h (FINALIZE_PIC): Delete.
12900 * m68k.c (finalize_pic): Delete.
12902 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
12904 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
12907 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
12909 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
12911 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
12913 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
12915 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
12917 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
12919 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
12921 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
12923 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
12925 * rs6000.c (output_toc): Always use hex values for floating-point
12926 constants. Store single-precision values in upper-half of TOC
12927 entry in 64-bit mode.
12928 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
12929 to final constraints.
12930 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
12931 (fctiwz): Improve accuracy of RTL for pattern.
12933 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
12935 * expr.c (expand_expr): Allow RTL_EXPR's through the
12936 MAX_INTEGER_COMPUTATION_MODE checks.
12938 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
12940 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
12941 such that MASK_SUPPORT_ARCH is not negative.
12943 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
12945 * loop.c (verify_dominator): Properly handle ADDR_VEC and
12946 ADDR_DIFF_VEC insns that appear inside loops.
12948 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
12949 Jeff Law <law@cygnus.com>
12951 * rs6000.md (movdf_hardfloat32): Revert previous patch.
12952 Handle LO_SUM the same as offsettable in cases 1 and 2.
12953 * rs6000.c (find_addr_reg): Revert previous patch.
12955 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
12957 * system.h (strstr): New external function declaration.
12958 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
12959 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
12960 * config.in, configure: Rebuilt.
12962 1999-06-24 Tom Tromey <tromey@cygnus.com>
12964 * gcc.c (main): Read user-specified specs files after computing
12965 additional startfile_prefixes.
12967 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
12969 Revert these two patches:
12971 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12972 * loop.c (strength_reduce): When doing biv->giv conversion, update
12973 reg note of NEXT->insn.
12975 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12976 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12978 (recombine_givs): Set ix field after sorting.
12980 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12982 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
12983 for the parts of an UNSPEC / UNSPEC_VOLATILE.
12985 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
12987 *fixinc/inclhack.def: Add fix development commentary
12988 (read_ret_type): reactivate and add selection clause
12989 (zzz_*): tweak output file name to match what is used in hackshell.tpl
12990 *fixinc/{fixincl.x|inclhack.sh}: regen
12992 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
12994 * expr.c (expand_expr): STRIP_NOPS before checking against
12995 MAX_INTEGER_COMPUTATION_MODE
12996 (check_max_integer_computation_mode): Likewise.
12998 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
13000 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
13002 1999-06-22 Jim Wilson <wilson@cygnus.com>
13004 * expr.c (store_expr): When target is a promoted subreg, return a
13005 promoted subreg as a result.
13007 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
13009 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
13011 (dwarf2out_define): Mark unused parameters appropriately.
13012 (gen_unspecified_parameters_die): Ditto.
13013 (gen_subprogram_die): Fix signed/unsigned warnings.
13014 (gen_variable_die): Ditto.
13016 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
13018 * fixinc/inclhack.def(end_else_label): combined else_label
13019 and endif_label and fixed the sed expression.
13020 *fixinc/{fixincl.x|inclhack.sh}: regen
13022 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
13024 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
13025 'x' when handling non-offsettable addresses
13027 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
13029 * final.c (shorten_branches): Don't try to split an insn that has
13032 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
13034 * config/mips/mips.c (symbolic_expression_p): New function.
13035 (mips_select_rtx_section): Put symbolic expressions in the
13036 data section, not the read-only data section.
13038 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
13040 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
13042 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
13044 * collect2.c (main): Log frame table count.
13045 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
13046 (scan_prog_file) [COFF]: Handle frame tables.
13048 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
13049 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
13050 * alpha/elf.h: Undef them again.
13051 * alpha/vms.h: Remove their definitions.
13053 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13055 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
13056 remove the clobber of r0 and change the REG_UNUSED note to
13059 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
13061 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
13062 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
13063 fits in HOST_WIDE_INT and one uses union to access a long constant
13066 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
13068 * sparc.c (sparc_override_options): Don't allow profiling for
13069 code models other than medlow.
13070 (sparc_function_profiler): New function from old FUNCTION_PROFILER
13071 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
13072 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
13073 (sparc_block_profiler): Likewise.
13074 (sparc_function_block_profiler_exit): Likewise.
13075 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
13076 (FUNCTION_BLOCK_PROFILER): Likewise.
13077 (BLOCK_PROFILER): Likewise.
13078 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
13079 (MCOUNT_FUNCTION): New.
13080 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
13081 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
13082 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
13083 (MCOUNT_FUNCTION): New.
13084 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
13085 (BLOCK_PROFILER): Delete.
13086 (MCOUNT_FUNCTION): New.
13088 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
13090 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
13092 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13094 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13097 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13100 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13103 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13106 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
13108 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
13111 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
13113 * i386/djgpp.h (LIB_SPEC): New.
13114 (STARTFILE_SPEC): New.
13116 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
13118 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
13120 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
13123 * system.h (WSTOPSIG): New macro.
13125 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
13127 * c-pragma.c (push_alignment): Don't ignore alignments greater than
13129 (insert_pack_attributes): Take into account member natural
13132 * i386/winnt.c (exports_head): New static variable.
13133 (i386_pe_record_exported_symbol): New function.
13134 (i386_pe_asm_file_end): Use.
13135 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
13136 symbols to be emitted at end of assembly.
13137 (ASM_DECLARE_OBJECT_NAME): Likewise.
13138 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13140 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
13143 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
13145 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
13148 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
13150 * haifa-sched.c (sched_analyze_1): Use free_list instead of
13151 zapping reg_last_uses directly.
13152 (sched_analyze_2, sched_analyze_insn): Likewise.
13153 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
13155 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
13157 * rs6000.md (movdf_hardfloat32): Use worst case insn length
13158 attributes for cases 1 and 2.
13160 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
13162 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
13165 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
13167 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
13169 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
13171 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
13172 PIC_OFFSET_TABLE_REGNUM for general alloaction.
13173 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
13174 must be stacked if it is used for PIC accesses.
13175 * arm.c (use_return_insn): Handle PIC register specially.
13176 (output_return_instruction): Likewise.
13177 (output_func_{prologue,epilogue}): Likewise.
13178 (output_expand_prologue): Likewise.
13180 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
13181 (*strsi_predec): Renamed from *strqi_predec.
13182 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
13183 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
13185 * arm.c (arm_override_options): Remove warning about PIC code
13186 not being supported.
13188 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
13190 * rs6000.c (find_addr_reg): New function.
13191 * rs6000.h (find_addr_reg): Declare.
13192 (offsettable_addr_operand): Delete.
13193 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
13194 from and stores to GPRs.
13196 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
13198 * alpha.c (alpha_expand_block_move): Use get_insns rather than
13199 gen_sequence as argument to emit_no_conflict_block.
13201 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13203 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
13204 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
13205 *fixinc/fixincl.x: regen
13206 *fixinc/inclhack.sh: regen
13208 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
13210 * added support for -mpcrel (PC relative addressing for m68k)
13211 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
13212 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
13213 * m68k.c (print_operand_address): Handle 32-bit PIC case.
13214 (comments for general_src_operand): Add some explanation
13215 about EXTRA_CONSTRAINTS.
13216 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
13217 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
13218 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
13219 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
13220 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
13221 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
13222 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
13223 if not already set.
13224 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
13225 * m68k.h (TARGET_PCREL): New target flag.
13226 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
13227 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
13228 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
13229 contains a SYMBOL_REF. Relax this constraint during reload, since
13230 we want to use the predicates, not reload's built-in concept of a
13231 valid memory address, to control what insns need reloading.
13232 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
13233 operands (essentially 'g', 'm', and 's' under normal circumstances).
13234 * m68k.c (print_operand): Cause printing of pc-relative addresses
13235 to include pc register.
13236 (print_operand_address): Ditto.
13237 (general_src_operand): Accept operands that are not only
13238 general_operands, but are also valid when used as a pc-relative
13240 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
13241 (memory_src_operand): Similar, for memory_operands.
13242 (pcrel_address): New predicate to accept the special case of a
13243 pc-relative address.
13244 * m68k.md (many patterns): Rewrite common SImode, HImode, and
13245 QImode insns to accept *_src_operand instead of *_operand where
13246 pc-relative operands can fit. For example, a pc-relative operand
13247 can be used as a memory source operand for addsi3, but not as a
13248 memory destination.
13249 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
13251 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
13253 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
13254 .thumb_set pseudo op to mark aliases of thumb functions.
13256 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
13258 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
13259 preference to ASM_OUTPUT_DEF, if it is defined.
13261 * tm.texi: Document new, optional target macro
13262 ASM_OUTPUT_DEF_FROM_DECLS.
13264 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13266 * fixincludes: ISCNTL patch
13267 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
13268 (dgux_int_varargs): new for DG/UX
13269 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
13271 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
13273 * invoke.texi (ia32 options): Fix typo.
13275 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13277 * loop.c (strength_reduce): When doing biv->giv conversion, update
13278 reg note of NEXT->insn.
13280 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
13282 * loop.c (move_movables): Note issues with replacing REGs with
13284 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
13286 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
13288 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
13290 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
13291 the reference to `mcount' was not correct for the ELF on FreeBSD.
13293 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13295 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13298 (recombine_givs): Set ix field after sorting.
13300 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
13302 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
13303 to safe to extract a subword out of a REG.
13305 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13307 * sh.md (mulsi3): Don't add a no-op move at the end.
13309 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13311 * cse.c (cse_insn): Don't put hard register source into tables for
13312 the last insn of a libcall.
13314 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13316 * loop.c (strength_reduce): Insert sets of derived givs at every
13317 biv increment, even if it's the only one.
13319 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13321 * dwarfout.c (add_incomplete_type): New fn.
13322 (output_type): Call it.
13323 (retry_incomplete_types): New fn.
13324 (dwarfout_finish): Call it.
13326 From Eric Raskin <ehr@listworks.com>:
13327 (output_type): Output types for bases.
13329 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13331 * mips.c (mips_output_conditional_branch): Add `break'
13332 between `default' label and `close braces'.
13334 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
13336 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
13337 specifications and make it realistic.
13338 (LIB_SPEC): Likewise.
13340 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
13342 * config/mips/mips.c (mips_secondary_reload_class): Check for
13343 (PLUS (SP) (REG)) and return appropriate register class.
13344 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
13345 Handle (PLUS (SP) (REG)).
13346 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
13347 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
13348 of emit_insn for tablejump.
13350 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
13352 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
13353 asm_fprintf format string by itself.
13354 (output_function_profiler): Likewise.
13356 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
13358 * combine.c (simplify_logical, case AND): Only call
13359 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
13360 or the constant is positive.
13362 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
13364 * configure.in: Fix typo in rs6000-ibm-aix4 case.
13365 * configure: Regenerate.
13367 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
13369 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
13370 require a sub-version #.
13371 * configure: Rebuilt.
13373 1999-06-14 Robert Lipe (robertlipe@usa.net)
13375 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
13377 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
13379 * c-typeck.c (process_init_element): Detect excess elements in
13380 char array initializer.
13382 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13384 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
13386 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13388 * invoke.texi (Option Summary): Add -fpermissive flag.
13390 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
13392 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
13393 that require PIC code sequences.
13395 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
13397 * configure.in: Add new target: thumb-elf.
13398 * configure: Regenerate.
13399 * config/arm/t-thumb-elf: New file: Makefile fragment for
13401 * config/arm/telf.h: New file: Header file for thumb-elf
13404 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
13406 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
13407 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
13408 initializers is some circumstances.
13410 * fixinc/inclhack.def (endif_label): Add additional selector for
13411 more bogus stuff after #endif statements.
13412 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13414 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
13416 * i386/cygwin.h (SET_ASM_OP): Define.
13418 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
13420 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
13422 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13424 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
13427 * sh.md (ic_invalidate_line_i): Remove second alternative.
13429 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13431 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
13432 test for the presence of valid prototypes. Delete bypass expr.
13433 (ioctl_fix_ctrl): Correct the selection expression.
13434 (no_double_slash): Correct quoting rules
13435 *fixinc/fixincl.x: regen
13436 *fixinc/inclhack.sh: regen
13438 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
13440 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
13442 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13444 * rs6000.md (movsi_got_internal_mem): Delete.
13445 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
13446 (GOT_TOC_REGNUM): Delete.
13447 (PIC_OFFSET_TABLE_REGNUM): Define.
13448 (FINALIZE_PIC): Disable.
13449 * rs6000.c (rs6000_got_register): New code for fixed pic register.
13450 (rs6000_replace_regno): Delete.
13451 (rs6000_finalize_pic): Likewise.
13452 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
13454 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13456 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
13457 is a note; use <= for the compare; advance P while it is
13460 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
13462 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
13463 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
13465 * varasm.c (remove_from_pending_weak_list): Verify t->name
13466 is non-NULL before passing it to strcmp.
13468 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13470 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
13471 the typed arguments are not part of a comment
13472 (ioctl_fix_ctrl): Added a purpose comment
13473 *fixinc/fixincl.x: regenerate
13474 *fixinc/inclhack.sh: regenerate
13476 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13478 * invoke.texi: Add C4x invocation docs.
13480 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13482 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
13484 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
13486 (c4x_legitimize_reload_address): New function.
13487 * config/c4x/c4x.md: Update docs.
13489 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
13491 * fixincludes: Avoid removing '.'.
13492 * fixinc/fixinc.svr4: Likewise.
13493 * fixinc/fixinc.winnt: Likewise.
13494 * fixinc/inclhack.tpl: Likewise.
13495 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
13497 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13499 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
13501 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
13503 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
13505 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
13508 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
13510 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
13511 * configure: Regenerate.
13513 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
13515 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
13518 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
13520 * fixinc/inclhack.def (avoid_bool): Also catch
13521 "typedef [unsigned] int bool".
13522 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13524 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
13525 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
13526 * configure: Rebuilt.
13528 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
13530 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
13531 such that we can override its definitions if necessary.
13532 (CPP_SPEC): New define. Support processor specific predefines via
13534 (CC1_SPEC): New define. Support processor specific compiler
13535 options via %(cc1_cpu).
13536 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
13539 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13541 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
13542 between sed's -e flag, and the open-quote following it.
13543 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13545 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
13546 Jeffrey A Law (law@cygnus.com)
13548 * varasm.c (assemble_start_function): Remove the function
13549 from the pending weak decls list when we define a function.
13550 (assemble_variable): Similarly for variables.
13551 (weak_finish): Ignore items on the list with a NULL name.
13552 (remove_from_ending_weak_list); New function to "remove" an item
13553 from the pending weak declarations list.
13555 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13557 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
13559 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
13561 * c-lex.c (GETC): Redefine to call getch.
13562 (UNGETC): Redefine to call put_back.
13563 (putback_buffer): New structure type.
13564 (putback): New static structure.
13565 (getch): New function.
13566 (put_back): New function.
13567 (yylex): Replace unused bytes from bad multibyte character.
13569 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
13571 * cpplib.c (do_define): Cast `alloca' return value.
13572 (do_include, do_undef, do_pragma): Likewise.
13573 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
13575 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
13576 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
13578 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
13580 * sparc.md (abstf2): This should be an expand.
13581 (split after abstf2_notv9): Fix mode.
13582 (abstf2_hq_v9): New pattern.
13583 (abstf2_v9): Only use when no hard quad.
13584 (absdf2_v9): Fix if target is not the same as source.
13585 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
13586 Add correct output constraints.
13588 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
13590 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
13591 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
13593 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
13595 * mips.h (mips_output_conditional_branch): New function.
13596 (mips_adjust_insn_length): Likewise.
13597 (ASSEMBLER_SCRATCH_REGNUM): New macro.
13598 (ADJUST_INSN_LENGTH): Likewise.
13599 * mips.c (print_operand): Add `F' and `W' for floating-point
13600 comparison opcodes.
13601 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
13603 (mips_adjust_insn_length): New function.
13604 (mips_output_conditional_branch): New function.
13605 * mips.md (length): Adjust attribute definition to handle
13606 conditional branches. Change lengths to bytes, rather than
13607 instructions throughout. Remove length attribute from
13608 instructions whose length is four bytes, and rely on the default
13610 (dslot): Fix typo in comment.
13611 Reword conditional branch patterns to use
13612 mips_output_conditional_branch.
13614 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13616 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
13617 (LIB_SPEC): Likewise.
13618 Link with -lprof1_r for -g/-pg.
13620 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13622 * loop.c (check_dbra_loop): Fix change of Jan 19.
13624 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
13626 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
13627 (STARTFILE_SPEC): Define, override the svr4.h version.
13628 (ENDFILE_SPEC): Likewise.
13630 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
13632 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
13633 * fixinc/fixincl.x: Regenerated.
13634 * fixinc/inclhack.sh: Regenerated.
13636 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13638 * sh.c (barrier_align): Don't return early for normal branch/barrier
13639 when optimizing for SH2.
13641 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
13643 * i386/udk.h (LINK_SPEC): Correct linker search path for
13646 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13648 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
13649 (braf_label_ref_operand): Delete.
13650 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
13651 * sh.md (casesi_jump_2): Operand1 is now the inside of a
13652 label_ref, and has no predicate.
13653 The patten has a predicate to guard against invalid substitutions.
13654 (dummy_jump): Delete.
13655 (casesi): Update use of casesi_jump_2.
13657 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13659 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
13660 *fixinc/fixincl.x: regenerate
13661 *fixinc/inclhack.sh: regenerate
13663 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
13665 * dwarf2out.c (add_incomplete_type): New fn.
13666 (gen_struct_or_union_type_die): Call it.
13667 (retry_incomplete_types): New fn.
13668 (dwarf2out_finish): Call it.
13670 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
13672 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
13673 current block starts with a CODE_LABEL and ends with a CALL and
13674 we can not find all the argument setup instructions for the CALL.
13676 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
13678 Revert this change:
13679 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13680 something is a candidate for optimize_bit_field_compare.
13682 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13684 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
13686 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
13688 * alpha.c (override_options): Thinko in last patch.
13690 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
13691 (LIB_SPEC): Recognize -pthread.
13693 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
13695 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
13696 definition in config/arm/coff.h
13697 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
13699 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13701 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
13702 fixes that need "file=xxx\n" prepended before invocation
13703 (start_fixer - new): starting the fixer process is complex enough
13704 to warrent its own routine. It prepends the "file=xxx\n" stuff.
13705 (process): uses the new routine; omit usage of putenv()
13706 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
13707 * fixinc/fixincl.x: regenerate
13709 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
13711 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
13712 and version #s (1.1 -> 2.96) as needed.
13713 * README.g77: Kill way out of date file in the toplevel directory.
13715 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
13717 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
13718 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
13719 * configure: Rebuilt.
13720 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
13721 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
13722 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
13723 (SWITCH_TAKES_ARG): Likewise.
13724 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
13725 * config/t-freebsd: Moved from config/i386/ so it can used for all
13728 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
13730 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
13732 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
13734 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
13735 * configure: Rebuilt.
13737 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
13739 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
13740 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
13741 * rs6000/rs6000.c (rs6000_file_start): Use putc.
13742 (rs6000_output_load_toc_table): Same.
13743 (output_prolog, output_mi_thunk): Same.
13744 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
13745 (ASM_GLOBALIZE_LABEL): Use putc.
13747 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
13749 * alpha.md (reload_*_help): New patterns and splitters.
13750 (reload_*): Use them.
13751 (mov[qh]i): Likewise.
13753 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
13755 * cccp.c (handle_directive): Handle backslash-newlines in quoted
13758 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
13760 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
13762 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
13764 * flow.c (mark_regs_live_at_end, insn_dead_p,
13765 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
13766 and HARD_FRAME_POINTER_REGNUM special treatment if reload
13767 hasn't run or the frame pointer is needed.
13768 * haifa-sched.c (attach_deaths): Likewise.
13769 * sched.c (attach_deaths): Likewise.
13771 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
13773 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
13774 calculate_can_reach_end returns nonzero.
13776 * configure.in (native gas tests): Search for an assembler in the
13777 same manner that the installed compiler will.
13778 * configure: Rebuilt.
13779 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
13781 * alias.c (find_base_term): Improve handling of addresses
13782 constructed from binary operations.
13784 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
13786 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
13788 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
13790 * function.h (cleanup_label, frame_offset): Declare.
13791 (tail_recursion_label, tail_recursion_reentry): Likewise.
13792 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13793 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
13794 (tail_recursion_label, tail_recursion_reentry): Likewise.
13795 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13797 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
13799 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
13801 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
13802 (MAX_OFILE_ALIGNMENT): Define.
13804 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
13806 * fixincl.c: Replace local include scheme with #includes of
13807 gansidecl.h and system.h.
13808 * procopen.c: Likewise.
13809 * server.c: Likewise.
13811 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
13813 * i386/t-dgux (EXTRA_PARTS): Add crti.o
13814 (crti.o): Add build rule and dependencies.
13815 * fixinc/fixinc.dgux: Use modified _int_varargs.h
13817 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13819 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
13820 (LIB_LINUX_SPEC): Likewise.
13821 (LIB_LINUX_SPEC): Add support for -pthread
13822 (CPP_OS_LINUX_SPEC): Likewise.
13823 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
13826 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
13828 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
13830 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
13831 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
13832 for IEEE math and CC_FCOMI.
13833 (put_jump_code): No IEEE if CC_FCOMI is set.
13835 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13837 * fold-const.c (fold_truthop): Make the field reference unsigned
13838 when converting a single bit compare.
13840 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13842 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
13844 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
13846 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
13847 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
13850 * reload.c (push_reload): Do not call remove_address_replacements
13851 when presented with identical optional reloads.
13853 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
13855 * alpha.h (MASK_FIX, TARGET_FIX): New.
13856 (MASK_*): Reorganize constants.
13857 (CPP_AM_FIX_SPEC): New.
13858 (TARGET_SWITCHES): Add FIX.
13859 (EXTRA_SPECS): Likewise.
13860 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
13861 (SECONDARY_MEMORY_NEEDED): Likewise.
13862 (REGISTER_MOVE_COST): Likewise.
13863 * alpha.c (override_options): Add FIX support. Always use
13864 ALPHA_TP_PROG for ev6.
13865 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
13866 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
13867 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
13869 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
13871 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13872 something is a candidate for optimize_bit_field_compare.
13874 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
13876 * gcc.texi (Passes): Document branch-shortening.
13877 * invoke.texi (Debugging Options): Document the fact that `-dp'
13878 outputs length information for instructions.
13880 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
13882 * flow.c: Revert previous delta.
13884 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
13886 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
13887 FRAME_POINTER_REGNUM.
13888 (mark_set_1): Ditto.
13889 (mark_used_regs): Ditto.
13891 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
13893 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
13894 (GOT_PCREL): New macro. Define to 1 if not already defined.
13895 * arm/elf.h (GOT_PCREL): Define to 0.
13896 * arm.c (arm_finalize_pic): Take into account the setting of
13899 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
13901 * output.h (STRIP_NAME_ENCODING): Provide default definition.
13902 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
13904 * flow.c (mark_set_1): Do not record BLKmode stores as dead
13905 store elimination candidates.
13907 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
13909 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
13912 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
13914 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
13915 Add use of x-aix41-gld.
13917 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
13919 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
13920 (ASM_OUTPUT_DESTRUCTOR): Define.
13922 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
13924 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
13925 last CODE_LABEL in a loop if we have previously passed a jump
13926 to the top of the loop.
13928 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
13930 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
13931 applying Philip's patch.
13933 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
13935 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
13938 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
13940 * loop.c (strength_reduce): Grow reg_single_usage as needed.
13942 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
13944 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
13945 Also remove a useless comment.
13947 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13949 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
13951 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
13953 * collect2.c (main): Only generate import or export file and add
13954 to link arguments if non-empty. Use xmalloc not alloca.
13955 (write_{export,import}_file): Delete.
13956 (write_aix_file): New function.
13957 (locatelib): Use xmalloc not malloc.
13958 (GCC_OK_SYMBOL): Do not check type if aix64.
13960 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
13962 Based on patch by Scott Bambrough and Pat Beirne:
13963 * config/arm/arm.c (making_const_table): New variable.
13964 * config/arm/arm.h (making_const_table): Declare.
13965 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
13967 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
13968 Keep track of when we are building the constant table.
13970 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
13972 * config/arm/arm.c (arm_override_options): Fix erroneous warning
13975 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
13977 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
13980 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
13982 * tm.texi (FUNCTION_ARG): Correct description of a stack element
13985 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
13987 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
13989 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13991 * rs6000.c (output_mi_thunk): Enable full support again.
13993 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13995 * sh.h (BRANCH_COST): Define.
13997 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
13999 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
14001 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
14003 * function.c (assign_stack_local): Align stack slot propertly.
14004 (assign_outer_stack_local): Likewise.
14006 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
14008 * expr.h (lang_expand_constant): Declare.
14009 * toplev.c (lang_expand_constant): Define it.
14010 * varasm.c (output_constant): Use it.
14012 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14014 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
14015 Change function definitions to K&R style.
14017 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14019 * fixinc/fixincl.c: We must not ignore SIGCLD now.
14021 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
14023 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
14024 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
14025 (several places): omit static initialization
14026 (process): use single fd, since only the read fd is used
14027 * fixinc/gnu-regex.c: define 'const' away, if not supported
14028 * fixinc/procopen.c(several places): omit static initialization
14029 * fixinc/server.c: define 'volitile' away, if not supported
14031 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14033 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
14034 asm_fprintf and %L to generate the label name.
14035 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
14036 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
14038 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
14040 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
14041 insn for a conditional jump can not be found.
14043 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
14045 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
14046 on variables in specific sections other than .sbss and .sdata.
14048 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
14050 * stmt.c (expand_return): Call start_cleanup_deferral and
14051 end_cleanup_deferral around conditional code.
14053 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14055 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
14056 filename lists. Utilizes new "krstr" AutoGen function.
14057 * fixinc/fixincl.x: Rebuilt.
14059 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
14061 * i386.c (output_float_compare): Avoid GNU-C extensions.
14063 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
14065 * version.c: Bump to distinguish mainline tree from the
14068 See ChangeLog.1 for earlier changes.