1 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3 * config/c4x/rtems.h: New file.
5 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
7 * reload1.c (spill_failure): Take class of failed reload as argument
8 and print it. Caller changed.
10 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12 * rs6000.h (SUBTARGET_DEFAULT): New macro.
13 (TARGET_SWITCHES): Allow subtargets to default switches.
14 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
16 1999-12-18 Mark Mitchell <mark@codesourcery.com>
18 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
21 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
23 * cccp.c (main): Define __STDC_VERSION__ as necessary.
24 * cppinit.c (cpp_handle_option): Likewise.
26 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
27 determine when to define.
29 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
31 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
32 cmove with mismatched test and data modes.
34 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
36 * c-typeck.c (c_expand_start_case): Don't warn for long switch
39 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
41 * alias.c: Minor reformatting.
44 * stor-layout.c: Likewise.
45 * fold-const.c: Likewise.
46 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
47 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
49 (size_int_wide): Cache nodes even if garbage collecting.
50 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
51 of SAVE_EXPR has no side effects.
52 * cse.c: Move a comment.
53 * tree.c: Minor reformatting.
54 (int_size_in_bytes): Return -1 if constant overflows.
56 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
58 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
60 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
62 * objc/objc-parse.c: Regenerate. This file must be rebuilt
63 after any change to c-parse.in, even if objc-parse.y didn't
66 1999-12-18 David S. Miller <davem@redhat.com>
68 * toplev.c (rest_of_compilation): Restore BLOCK tree
69 reconstruction and branch shortening changes lost in
72 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
74 * config/arm/linux-elf.h: Change all instances of
75 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
76 * config/arm/uclinux-elf.h: Likewise.
78 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
80 * toplev.c (notice, vmessage, v_message_with_file_and_line,
81 v_message_with_decl, file_and_line_for_asm,
82 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
83 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
84 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
85 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
86 pfatal_with_name, fatal_io_error, need_error_newline,
87 last_error_function, last_error_tick, announce_function,
88 default_print_error_function, print_error_function,
89 report_error_function, fnotice, error_with_file_and_line,
90 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
91 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
92 warning_with_decl, warning_for_asm, warning, pedwarn,
93 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
95 (compile_file): Use fnotice instead of notice. Adjust call.
97 * diagnostic.c: New file.
99 * Makefile.in (OBJS): Include diagnostic.o
100 (diagnostic.o): Define dependence.
102 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
104 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
107 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
109 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
111 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
113 * fixtests.c (is_cxx_header): New fn, split out of
115 (else_endif_label): Allow "#endif // comment" in C++ headers,
116 as determined by is_cxx_header.
117 * fixfixes.c (else_endif_label_fix): Update comment.
118 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
120 * genfixes: Correct double thinko in commandline parsing.
121 * hackshell.tpl: Generate correct sh syntax for bypass
124 * inclhack.def (all): Whenever an inserted preprocessor
125 conditional is split over multiple lines, use double
126 backslashes in this file so the fixed header will be readable.
128 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
129 and add bypass entry for correct version of this header.
130 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
131 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
133 (hpux8_bogus_inlines): New fix, split from...
134 (ultrix_atof_param) ... here.
135 (math_expression): Add bypass entry keyed to glibc comment
136 indicating the problem has been dealt with; disable
137 unnecessary sed operations; update commentary.
138 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
139 add select and bypass entries, simplify shell operation.
140 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
142 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
143 ultrix_atof_param): Add select entry.
144 (stdio_va_list, sunos_mather_decl): Add bypass entry.
145 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
146 comments with the fixes they describe.
148 * c-parse.in (string action): Do not warn about ANSI string
149 concatenation in system headers. Affects C parser only.
150 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
152 1999-12-16 Jakub Jelinek <jakub@redhat.com>
154 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
155 compiling libgcc2 the macro depends always on arch cpp defines.
157 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
159 * loop.c (insert_loop_mem): Don't record MEMs from inside
162 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
164 * regclass.c (regclass): Do not use flowgraph when not optimizing.
166 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
167 notes too, create one when replacement failed, attempt to simplify
169 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
172 1999-12-16 Mark Mitchell <mark@codesourcery.com>
174 * crtstuff.c (__dso_handle): Declare.
175 (__cxa_finalize): Likewise.
176 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
179 * invoke.texi: Document -fuse-cxa-atexit.
181 * tree.h (ptr_type_node): Document.
182 (const_ptr_type_node): Likewise.
184 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
186 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
187 (optimize_reg_copy_2): Likewise.
188 (optimize_reg_copy_3): Likewise.
189 (fixup_match_2): Likewise.
190 (regmove_optimize): Likewise.
191 (fixup_match_1): Liekwise.
193 * i386.md (HI to SImode promoting splitters): Rewrite.
194 (pushsf mem peep2): New.
195 (testhi to andhi peep2): Remove.
196 * i386.h (x86_promote_QImode): New.
197 (TARGET_PROMOTE_QImode): New.
198 (PREDICATE_CODES): Add promotable_binary_operator.
199 * i386.c (x86_promote_QImode0: New.
200 (promotable_binary_operator): New.
201 * i386-protos.h (promotable_binary_operator): New.
203 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
205 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
207 1999-12-16 Mark Mitchell <mark@codesourcery.com>
209 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
210 * function.c (insert_block_after_note): Remove.
211 (retrofit_block): Likewise.
212 (identify_blocks): Fix indentation.
213 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
214 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
215 * function.h (insert_block_after_note): Remove prototype.
216 (retrofit_block): Likewise.
217 * integrate.c (expand_inline_function): Don't call
218 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
219 just expand_start_bindings. Use the block_map to remap old
220 NOTE_BLOCKs to new ones.
221 (integrate_decl_tree): Keep track of remapped blocks.
222 * integrate.h (struct inline_remap): Add block_map.
223 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
224 NOTE_BLOCK on the notes.
225 (expand_start_bindings): Rename to ...
226 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
227 (expand_end_bindings): Set NOTE_BLOCK.
228 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
229 reconstruct the BLOCK tree.
230 * tree.h (expand_start_bindings): Macroize. Call ...
231 (expand_start_bindings_and_block): New function.
233 1999-12-16 Jakub Jelinek <jakub@redhat.com>
235 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
238 1999-12-16 David S. Miller <davem@redhat.com>
240 * expr.c (emit_move_insn_1): Only emit clobbers if one of
241 the outputs is a SUBREG.
242 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
245 * config/sparc/sparc.c (epilogue_renumber): Add default case
248 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
250 * toplev.c (rest_of_compilation): Run branch shortening after
253 * regclass.c (loop_depth): Remove
254 (scan_one_insn): Do not handle LOOP_NOTE insns.
255 (regclass): Go through basic blocks and set loop_cost
257 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
259 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
261 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
263 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
264 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
265 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
267 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
269 * loop.c (insert_loop_mem): Ignore memory clobbers.
271 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
274 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
276 * profile.c: Remove redundant #include "output.h".
278 * h8300.md (HImode preinc peephole): Fix typo.
280 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
282 * function.c (retrofit_block): Abort if we don't find a suitable insn.
283 (insert_block_after_note): Abort if we don't have a previous block.
285 * function.h: Adjust.
287 1999-12-15 Mark Mitchell <mark@codesourcery.com>
289 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
290 argument more than once.
292 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
294 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
296 1999-12-15 Jakub Jelinek <jakub@redhat.com>
298 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
300 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
302 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
303 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
304 update stack_alignment_needed.
305 (prepare_function_start): Initialize stack_alignment_needed
306 * function.h (struct function): Add field stack_alignment_needed.
308 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
310 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
311 Handle live_throughout / dead_or_set instead of live_before /
313 (save_call_clobbered_regs): Get register livenessinformation from
314 chain->live_throughout.
315 (add_stored_regs): New function.
316 (insert_restore, insert_save): Add restored / saved registers to
318 * global.c (reg_dies): New parameter chain.
319 (reg_becomes_live): Third parameter is regs_set now.
321 (reg_dies): New parameter chain. Changed all callers.
322 (build_insn_chain): Set live_throughout instead of
323 live_before / live_after.
324 * reload.h (struct insn_chain): Replace members live_before /
325 live_after with live_throughout / dead_or_set.
326 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
327 instead of live_before / live_after.
328 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
329 (order_regs_for_reload, find_reg, finish_spills): Likewise.
330 (choose_reload_regs_init): Likewise.
331 * stupid.c (current_chain, find_clobbered_regs): Delete.
332 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
333 instead of chain->live_before / chain->live_after.
334 (mark_hard_ref): New function.
335 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
337 1999-12-15 David S. Miller <davem@redhat.com>
339 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
341 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
343 * flow.c (calculate_loop_depth): Make global, remove prototype,
344 rewrite to use new loop infrastructure.
345 (find_basic_block): Remove calculate_loop_depth call.
346 * toplev.c (rest_of_compilation): Call find_basic_block.
347 * output.h (calculate_loop_depth): Declare.
349 * flow.c (dump_flow_info): Dump loop_depth.
350 (flow_loops_nodes_find): Increase loop_depth for basic block in the
352 (flow_loops_find): Initialize the loop_depth for each basic block.
354 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
356 * tree.c (decl_function_context): Handle virtual functions.
358 * tlink.c (scan_linker_output): Don't look in demangled name when
359 looking for linker output keywords.
361 * dwarfout.c (output_type): We can defer namespace-scope classes.
363 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
365 * regclass.c (record_reg_classes): Update comment for merging
366 register class preferences in reg->reg copies. Tighten conditions
367 for merging register class preferences in reg->reg copies.
369 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
371 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
373 1999-12-14 Geoff Keating <geoffk@cygnus.com>
375 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
376 (INIT_SECTION_ASM_OP): Delete.
377 (FINI_SECTION_ASM_OP): Delete.
378 (STARTFILE_SPEC): Define to hold just crtbegin.o.
380 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
382 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
383 the abstract origin wasn't emitted.
385 * dwarf2out.c (class_scope_p): New fn.
386 (gen_subprogram_die): Use it.
387 (gen_variable_die): Use it. Tweak logic.
388 (gen_struct_or_union_type_die): Check context_die to determine
389 if we're function-local.
390 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
392 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
394 * loop.c (check_dbra_loop): Can't reverse a biv that has
397 1999-12-14 Nick Clifton <nickc@cygnus.com>
399 * config/arm/arm.c: Add support for -mcpu=arm720 command line
402 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
404 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
405 for givs made from biv increments.
407 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
409 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
410 * alpha.c (override_options): Recognize -mcpu=ev67.
411 * alpha.h (CPP_CPU_EV67_SPEC): New.
412 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
413 (EXTRA_SPECS): Update.
415 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
417 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
418 appropriate for -lang-c89 and -std=*.
419 * cppinit.c (cpp_handle_option): Likewise.
420 (new_pending_define): New, split out from cpp_handle_option.
421 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
422 or enable trigraphs for -ansi/-std=*.
424 * ginclude/stdarg.h (__va_copy): New.
425 (va_copy): Don't define for C89.
427 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
429 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
430 for long long multiply-accumulate.
432 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
434 * regclass.c (scan_one_insn): Set loop_cost to 1 when
437 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
439 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
440 if something changed. Back out that part of yesterday's changes.
442 * loop.c (loop_max_reg): New static variable.
443 (loop_optimize): Initialize it. Eliminate one unnecessary call to
445 (scan_loop): Call reg_scan_update whenever we may have added new
446 registers, and update loop_max_reg.
448 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
450 * regclass.c (record_reg_classes): Do not do the copying preferrencing
451 when source does not die.
453 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
455 1999-12-14 Jakub Jelinek <jakub@redhat.com>
457 * config/sparc/linux64.h (TARGET_LIVE_G0,
458 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
460 * config/sparc/linux.h (TARGET_LIVE_G0,
461 TARGET_BROKEN_SAVERESTORE): Likewise.
462 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
463 TARGET_BROKEN_SAVERESTORE): Likewise.
465 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
466 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
468 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
469 as sparc64 block profiling register.
470 * config/sparc/sparc.c (sparc_override_options): Allow block
472 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
474 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
475 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
476 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
478 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
480 * config/sparc/sparc.h: Likewise.
481 * config/sparc/xm-sysv4-64.h: Likewise.
482 * config/float-sparc.h: Likewise.
483 * glimits.h: Likewise.
484 * longlong.h: Likewise.
486 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
487 (ASM_IDENTIFY_GCC): Remove.
489 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
491 * combine.c (combine_simplify_rtx): Don't make shared rtl.
492 (simplify_logical): Likewise.
494 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
496 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
497 * cppfiles.c (INO_T_EQ): Likewise.
499 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
501 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
502 * i386/mingw32.h (LIB_SPEC): Likewise.
503 (STARTFILE_SPEC): Likewise.
504 * i386/uwin.h (LIB_SPEC): Likewise.
505 (STARTFILE_SPEC): Likewise.
507 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
508 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
510 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
512 * combine.c (combine_simplify_rtx): Fix order of checks for
513 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
515 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
517 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
518 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
520 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
522 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
524 * regclass.c (inv_reg_alloc_order): New array.
525 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
527 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
528 counted_for_groups, counted_for_nongroups. Add fields rld and
530 * reload.c (push_secondary_reload): Don't set nongroup field of
532 (push_reload): Likewise.
533 (find_reloads): Delete code to compute nongroup fields.
534 * reload1.c (reload_insn_firstobj): New static variable.
535 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
537 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
538 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
539 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
541 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
543 (struct hard_reg_n_uses): Deleted.
544 (potential_reload_regs): Deleted.
545 (init_reload): Initialize spilled_pseudos and pseudos_counted.
546 (reload): Don't try to allocate reload registers if we already know
547 we have to make another pass. Call select_reload_regs. Free memory
548 starting with reload_firstobj when starting another pass.
549 Don't allocate spilled_pseudos.
550 (calculate_needs_all_insns): Call copy_reloads for an insn that
551 needs reloads; don't call calculate_needs.
552 (spill_cost): New static array.
553 (used_spill_regs_local): New static variable.
554 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
555 to compute potential_reload_regs.
556 (find_reload_regs): Completely rewritten to use find_reg.
557 (allocate_reload_reg): Don't test counted_for_groups or
558 counted_for_nongroups. Lose NOERROR arg and code to give an error;
560 (choose_reload_regs): Add fallback code that uses the existing
561 register allocation from find_reload_regs.
563 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
565 * flow.c (create_edge_list): Cast xmalloc return value.
567 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
569 * doprnt.c: Remove incorrect comment closure.
571 * cse.c: Fix a few minor whitespace goofs.
573 1999-12-13 Don Bowman <don@pixstream.com>
575 * mips/vxworks.h: Fix problem with comment termination.
576 (EXTRA_SECTIONS): Add in_sbss.
577 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
579 1999-12-12 David S. Miller <davem@redhat.com>
581 * cse.c (struct cse_reg_info): Add hash_next member,
582 reorder rest of struct for better packing on 64-bit
584 (cse_reg_info_tree): Kill.
585 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
586 REGHASH_FN): New custom pow2 hash mechanism.
588 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
589 use a pow2 hash table.
590 (get_cse_reg_info): Rework to use new REGHASH.
591 (new_basic_block): Likewise, use HASH_SIZE, and inline
593 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
594 and inline free_element call.
595 (lookup_as_function, insert, flush_hash_table, invalidate,
596 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
597 invalidate_for_call, use_related_value, find_comparison_args,
598 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
599 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
602 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
604 * cse.c (cse_basic_block): Free qty_table consistently.
606 1999-12-12 David S. Miller <davem@redhat.com>
607 Jakub Jelinek <jakub@redhat.com>
609 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
610 SUBREGs by hand, gen the appropriate hard reg directly.
611 (movtf reg/mem split): Likewise and alter_subreg on destination
613 (movtf mem/reg split): Similarly.
614 (movdf_cc_sp64): Rename from hidden pattern.
615 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
616 (movtf_cc_sp64, following split): New pattern and splitter.
617 (movdf_cc_reg_sp64): Rename from hidden pattern.
618 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
620 (movtf_cc_reg_sp64, following split): New pattern and splitter.
622 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
624 * loop.c (load_mems): Don't hoist written floating point mem
627 1999-12-12 Mark Mitchell <mark@codesourcery.com>
629 * except.h (struct eh_queue): Add `next' pointer.
630 (struct eh_status): Make x_ehqueue a pointer.
631 (push_ehqueue): Declare.
632 (pop_ehqueue): Likewise.
633 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
635 (expand_fixup_region_end): Likewise.
636 (expand_leftover_cleanups): Likewise.
637 (push_ehqueue): Define.
638 (pop_ehqueue): Likewise.
639 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
640 than doing it inline.
641 (expand_start_all_catch): Adjust now that ehqueue is a
643 (mark_eh_queue): Mark all level of the queue.
644 (mark_eh_status): Adjust now that ehqueue is a
646 (init_eh_for_function): Allocate ehqueue.
647 (free_eh_status): Free it.
648 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
649 expansion for a fixup.
651 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
653 * gthr-single.h (__gthread_active_p): Add prototype arguments.
655 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
656 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
657 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
658 function_ptr, getpagesize, __enable_execute_stack,
659 __enable_execute_stack, __clear_insn_cache,
660 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
661 _cleanup, _exit, __default_terminate, __terminate_func,
662 __terminate, __empty, __throw, new_eh_context,
663 eh_context_initialize, eh_context_static, eh_context_specific,
664 get_eh_context, __get_eh_context, __get_eh_info,
665 init_reg_size_table, eh_threads_initialize,
666 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
667 __unwinding_cleanup, throw_helper, __throw, __rethrow,
668 __pure_virtual): Add prototype arguments.
669 (__bb_exit_func): Cast a sizeof to long when comparing against one.
670 Cast a signed value to unsigned long when comparing against one.
671 (new_eh_context): Wrap in _GTHREADS macro.
672 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
674 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
675 (throw_helper): Initialize variables `handler_p' and `pc_p'.
677 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
679 * combine.c (record_promoted_value): Remove unused variable
682 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
684 * global.c (record_conflicts): Likewise for `j'.
686 * genoutput.c (output_insn_data): Don't unnecessarily cast away
689 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
691 * i386-protos.h (output_387_binary_op, output_fix_trunc,
692 output_fp_compare): Constify a char*.
694 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
696 (override_options, ix86_comp_type_attributes, print_operand,
697 output_387_binary_op, output_fix_trunc, output_fp_compare):
699 (ix86_sched_reorder): Mark parameter `clock_var' with
702 * i386.h (DEBUG_PRINT_REG): Constify a char*.
704 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
706 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
707 operand, for use in the Java front-end.
709 1999-12-10 Ben Collins <bcollins@debian.org>
711 * configure.in: Fix typo for "-64" in 64bit as check.
712 * configure: Rebuilt.
714 1999-12-10 Jakub Jelinek <jakub@redhat.com>
716 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
719 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
721 * c-parse.in (string): With -Wtraditional, warn if ANSI string
722 concatenation is utilized.
724 * invoke.texi (-Wtraditional): Document it.
726 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
728 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
729 Cast a ptrdiff_t to long and pass it to printf with %ld.
731 1999-12-10 Geoff Keating <geoffk@cygnus.com>
733 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
734 68881, we have no 68881 registers at all.
735 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
736 value in a 68881 register if it is available.
738 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
740 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
741 for long long multiply-accumulate.
743 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
745 * loop.c (insert_loop_mem): Undo last change.
747 1999-12-10 David S. Miller <davem@redhat.com>
749 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
751 * config/sparc/sparc-protos.h: Add them.
752 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
753 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
754 constraints which use those helpers.
755 (EXTRA_CONSTRAINT): Use this new macro.
756 * md.texi: Update sparc target constraints documentation.
757 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
758 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
759 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
760 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
761 (movsf high/lo_sum split): Rework for new patterns.
762 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
764 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
766 * c-common.c (c_common_nodes_and_builtins):
767 Create __builtin_ptrdiff_t and __builtin_size_t.
769 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
771 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
773 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
775 * regclass.c (globalize_reg): Re-instate test that allows
776 fixed registers to be declared as a variable even after functions
779 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
781 * i386.md (cpu attribute): Add "athlon".
782 (athlon_decode): New attribute.
783 (Athlon scheduling units definitions): New.
784 (fcmp and shld patterns): Set athlon_decode to "vector".
785 * i386.c (athlon_cost): New.
787 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
788 x86_use_sahf): Set for Athlon.
789 (x86_use_fiop): Unset for Athlon.
790 (override_options): Define Athlon alignments and "athlon" name.
791 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
792 * i386.h (TARGET_ATHLON): New.
793 (enum processor_type): Add PROCESSOR_ATHLON.
794 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
796 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
798 1999-12-09 Andreas Jaeger <aj@suse.de>
800 * loop.c (record_biv): Declare parameter as int.
802 * config/i386/i386-protos.h: Declare long_memory_operand.
804 1999-12-09 Mark Mitchell <mark@codesourcery.com>
806 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
807 EXPR_WITH_FILE_LOCATION.
809 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
811 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
814 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
816 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
819 1999-12-09 Jakub Jelinek <jakub@redhat.com>
821 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
822 default on linux64 again.
823 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
824 models for multilibing.
825 * genmultilib: Accept | as alternative separator within a set in
828 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
830 * calls.c (precompute_arguments): Make sure initial_value contains
831 value pseudo which CSE expects.
832 * cse.c (struct set): New entry orig_src.
833 (cse_insn): Set it early on entry, use it for libcall EQUIV note
836 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
838 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
840 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
842 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
844 1999-12-08 Jakub Jelinek <jakub@redhat.com>
846 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
847 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
849 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
852 * longlong.h: Merge in changes from glibc.
853 Also don't clobber %g2 register in 32bit SPARC assembly, so that
854 -mno-app-regs libgcc can be compiled.
855 * libgcc2.c: Add defines so that the updated longlong.h
856 can be used in libgcc2.a. Also, make sure on most architectures
857 (at least on all which have optimized code in longlong.h defined
858 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
860 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
862 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
863 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
864 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
866 * configure: Rebuilt.
868 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
870 * alpha.c (secondary_reload_class): For !BWX, sub-simode
871 outputs require a register.
873 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
875 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
876 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
877 functions like dptoul will be resolved.
878 (libgcc2.a): Make sure that the object files from DPBIT are named
879 differently (prefix `_dp') from those that would be coming from
882 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
884 * configure.in: When target is sparc* and tm_file contains 64,
885 test for 64bit support in assembler. If not supported, remove
886 sparc/t-sol2-64 from target-dependent Makefile fragments.
887 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
888 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
889 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
890 * acconfig.h (AS_SPARC64_FLAG): Added.
891 * configure, config.in: Rebuilt.
892 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
893 support. Use AS_SPARC64_FLAG.
895 1999-12-07 Jakub Jelinek <jakub@redhat.com>
897 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
898 suitable for holding OFmode values so that gcc works with complex
900 (hard_64bit_mode_classes): Likewise.
902 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
903 so that it is actually matched.
904 (sethi_di_medlow): Likewise.
906 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
907 as legitimate constant if -mvis.
908 * config/sparc/sparc.md (movtf): Likewise.
909 (clear_sf): Use const_double_operand.
910 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
912 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
913 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
914 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
915 routines, _Qp_* cannot be handled like that now.
916 (INIT_TARGET_OPTABS): Likewise.
917 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
918 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
919 sparc_emit_float_lib_cmp if ARCH64 and soft float.
920 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
921 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
922 divtf3, sqrttf3): New expanders.
923 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
924 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
925 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
928 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
929 * configure: Rebuilt.
930 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
931 -mcpu is given and we're doing 64bit compiles.
933 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
935 * loop.h (struct induction): Add multi_insn_incr.
936 * loop.c (basic_induction_var): New multi_insn_incr argument.
937 Set it if we search back through previous insns for the biv.
938 (record_biv): New multi_insn_incr argument; fill in struct induction.
939 (strength_reduce): Discard an iv with multiple bivs, any of
940 which require multiple insns to increment.
942 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
944 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
947 1999-12-06 David S. Miller <davem@redhat.com>
949 * combine.c (check_promoted_subreg): Do not conditionalize this upon
950 PROMOTE_FUNCTION_RETURN.
952 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
954 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
955 and handle REG_UNUSED note on insn.
957 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
958 inner_mask instead of mask.
960 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
962 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
963 zero if there was an error.
965 1999-12-06 Jakub Jelinek <jakub@redhat.com>
967 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
970 * longlong.h: Fix clobbers in SPARC asm statements.
972 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
973 valid sethi operations when TARGET_ARCH64.
975 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
976 always use move_by_pieces to avoid infinite recursion.
977 (restore_fixed_argument_area): Likewise.
979 * combine.c (check_promoted_subreg, record_promoted_value): New
981 (combine_instructions): Use them to retain nonzero and sign bit
982 information after SUBREGs are eliminated by optimizations in
983 this pass if PROMOTE_FUNCTION_RETURN.
985 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
986 .register declaration. Don't use variables with __ prefixes.
988 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
990 * fold-const.c (optimize_bit_field_compare): Only use one mode
991 for both RHS and LHS in non-constant case.
993 1999-12-06 Nathan Sidwell <nathan@acm.org>
995 * frame.c (start_fde_sort): Only allocate erratic array, if
996 linear one was allocated. Return allocated flag.
997 (fde_insert): Only insert, if there's a valid array.
998 (fde_end_sort): Split, sort and merge if linear and erratic
999 arrays exist, else just sort linear one.
1000 (search_fdes): New function. Linear search through original fde
1002 (frame_init): Permit multiple initializations. Cope with
1004 (find_fde): Fallback on linear search, if failed to sort array.
1005 (__deregister_frame_info): Only free sorted array, if we
1008 1999-12-06 Jakub Jelinek <jakub@redhat.com>
1010 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
1012 1999-12-05 Jakub Jelinek <jakub@redhat.com>
1014 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
1016 1999-12-05 Mark Mitchell <mark@codesourcery.com>
1018 * tree.h (special_function_p): Declare.
1019 * calls.c (special_function_p): Make it global. Don't take `name'
1020 as a parameter. Fix typo in 1999-11-28 change.
1021 (expand_cal): Adjust.
1023 1999-12-04 Mark Mitchell <mark@codesourcery.com>
1025 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
1026 * tree.h (EXPR_WFL_FILENAME): Define in terms of
1027 EXPR_WFL_FILENAME_NODE.
1028 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
1030 * print-tree.c (print_note): Print TREE_PRIVATE and
1033 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
1034 the original die cannot be found.
1036 * varray.h (varray_head_tag): Add elements_used.
1037 (VARRAY_PUSH): New macro.
1038 (VARRAY_POP): Likewise.
1039 (VARRAY_TOP): Likewise.
1040 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
1042 * varray.c (varray_init): Initialize elements_used.
1043 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
1044 (INTEGRATE_H): New variable.
1045 (integrate.o): Depend on INTEGRATE_H.
1046 (unroll.o): Likewise.
1048 * function.h (insert_block_after_note): Declare.
1049 * function.c (insert_block_after_note): Split out from ...
1050 (retrofit_block): ... here.
1052 * stmt.c (expand_fixup): Fix typo in comment.
1054 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1056 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
1057 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
1058 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
1059 (regmove_optimize, fixup_match_1): Likewise.
1061 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1063 * flow.c (flow_loops_dump): Add missing argument when calling
1066 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
1067 Greg McGary <gkm@gnu.org>
1069 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
1070 (init_attributes): Add A_NO_LIMIT_STACK.
1071 (decl_attributes): Handle A_NO_LIMIT_STACK.
1072 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
1073 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
1074 Handle stack bounds checking.
1075 * flags.h (flag_stack_check): Use the word 'probe' rather than
1076 'check', because the flag doesn't actually cause any checking to
1078 * function.c (expand_function_start): Set
1079 current_function_limit_stack.
1080 * function.h (struct function): Add limit_stack.
1081 (current_function_limit_stack): Define.
1082 * invoke.texi (Code Gen Options): Document new options.
1083 * rtl.h: Declare stack_limit_rtx.
1084 * toplev.c (stack_limit_rtx): New variable.
1085 (decode_f_option): Handle new options -fstack-limit-register=REG,
1086 -fstack-limit-symbol=IDENT, -fno-stack-limit.
1087 (main): Add stack_limit_rtx as GC root.
1088 * tree.h (DECL_NO_LIMIT_STACK): New macro.
1089 (struct tree_decl): New member no_limit_stack.
1091 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
1093 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
1094 (conditional_trap+1): Get new mnemonic correct.
1095 (conditional_trap+2): New pattern for DImode traps.
1097 * config/m68k/m68k.c (output_function_prologue): Handle
1099 * config/m68k/m68k.md (trap): New insn.
1100 (conditional_trap): New insn.
1101 * md.texi (Standard Names): Document `trap' and
1103 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
1104 so a cc0 setter doesn't get emitted at some random place in the
1107 * config/i960/i960.md (trap): New insn.
1108 (conditional_trap): New expander.
1109 (conditional_trap+1, conditional_trap+2): New insns for signed
1111 * config/i960/i960.c (i960_function_prologue): Use
1112 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
1114 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
1115 Geoffrey Keating <geoffk@cygnus.com>
1117 * flags.h (warn_padded, warn_packed): Add global var decls.
1118 * toplev.c (warn_padded, warn_packed): Add global var defns.
1119 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
1120 * stor-layout.c (layout_record): Add local variable `type'
1121 to hold often-used TREE_TYPE (field). Add local variable
1122 `unpacked_align' to hold alignment that would be in force
1123 if no `packed' attribute were present. Warn if `packed' attribute
1124 is unnecessary, or even harmful. Warn when gcc inserts padding
1125 to satisfy alignment requirements of members. Use NULL_TREE
1126 when checking whether var_size is set.
1127 * invoke.texi: Document new flags.
1129 1999-12-03 Nathan Sidwell <nathan@acm.org>
1131 * frame.c (fde_split): Reimplement to avoid variable sized array.
1133 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1135 * combine.c (try_combine): Before fixing up LOG_LINKS for the
1136 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
1138 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
1140 * invoke.texi: Document the mips option -mno-crt0
1142 1999-12-02 Mike Karr <mkarr@mathworks.com>
1144 * cccp.c (argdata): Added free_ptr member.
1145 (macroexpand): Initialize free_ptr of each argument. When an
1146 argument's buffers are freed, if the argument's free_ptr corresponds
1147 to a buffer on the input stack, then return the free_ptr to that stack
1148 frame, otherwise, free it.
1149 (macarg): If an argument begins and ends on the same input stack level,
1150 then transfer the free_ptr of that buffer to the argument in case
1151 the stack is popped during the processing of a subsequent argument.
1153 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
1155 * loop.c (note_reg_stored): New function.
1156 (struct note_reg_stored_arg): New structure.
1157 (try_copy_prop): Change to be more conservative; only replace within
1158 one extended basic block and stop replacing if a store to the
1159 replacement reg is seen.
1161 1999-12-02 Nick Clifton <nickc@cygnus.com>
1163 * config/fp-bit.c: Initialise all fields of the NAN
1166 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
1169 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
1171 * i386.md (extend?f?f2): Force the input into a register, not
1174 1999-12-01 Jakub Jelinek <jakub@redhat.com>
1176 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
1178 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
1179 alternative because setting up 64bit constant is usually costly,
1180 especially when reload is in progress or completed.
1181 (movdf_const_intreg_sp64): Likewise.
1182 (movdf_const_intreg split): Fix building up constants when
1183 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
1185 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
1187 * combine.c (if_then_else_cond): Use const_true_rtx instead of
1188 const1_rtx for return values in EQ/NE comparison against (const_int 0)
1191 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
1192 (asm_file_start): Emit .am33 into assembly file when compiling for
1194 (print_operand_address): Handle POST_INC addresses.
1195 (can_use_return_insn, initial_offset): Check AM33 registers too.
1196 (expand_prologue): Check & save AM33 registers too.
1197 (expand_epilogue): Similarly.
1198 (secondary_reload_class): Handle AM33 specific secondary reloads.
1199 (output_tst): Emit efficient code for the AM33 too.
1200 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
1201 (TARGET_SWITCHES): Add -mam33 switch.
1202 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
1203 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
1204 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
1205 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
1206 (enum reg_class, REG_CLASS_NAMES): Likewise.
1207 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
1208 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
1209 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
1210 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
1211 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
1212 (HAVE_POST_INCREMENT): Define.
1213 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
1214 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
1215 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
1216 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
1217 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
1218 (zero_extend to SI from QI/HI): Likewise.
1219 (sign_extend to SI from QI/HI): Likewise.
1220 (mulsidi3, umulsidi3): New patterns for the AM33.
1221 (tstsi with zero extension from QI/HI): Add AM33 variants.
1222 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
1223 (return_internal_regs, store_movm): Handle new AM33 registers.
1224 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
1225 (LIBGCC, INSTALL_LIBGCC): Likewise.
1226 * invoke.texi: Document new flags.
1228 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1230 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
1231 (addsi3_carry): Likewise.
1232 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
1233 (sbbsi3_carry): Likewise.
1234 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
1236 (test?i_1): Ensure that only one operand is memory.
1237 (conditional move patterns): likewise.
1238 (shift and rotate patterns): Rewrite to expander, add
1239 "binary_operator_ok" to the condition.
1241 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
1242 * i386.h (procesor_costs): Add movzbl_load field.
1243 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
1244 non-Q registers, accept DImode registers anywhere.
1246 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
1247 * i386.c (*_cost): Set value for movxbl_load field.
1249 * (addsi): New add to lea splitter.
1251 (lea to add/shift peep2): New.
1253 1999-12-01 Mark Salter <msalter@cygnus.com>
1255 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
1256 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
1257 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
1259 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1261 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
1262 * i386.md (movsi_xor): New.
1264 (movsi_1, movhi_1, movqi_1): Remove.
1265 (movsi_2): Rename to movsi_1.
1266 (movhi_2): Rename to movhi_1.
1267 (movqi_2): Rename to movqi_1.
1268 (movdi_1): Remove; remove splitter.
1269 (movdi_2): Rename to movdi_1.
1270 (divmodsi4 splitter): Do not emit clobbers for move patterns.
1271 (long move peep2): Do not create QI or HI mode mov0s
1272 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
1274 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
1277 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
1278 (abs?f2_if): Likewise.
1280 1999-11-30 Alex Samuel <samuel@codesourcery.com>
1282 * ggc.h (ggc_test_and_set_mark): New macro.
1283 (ggc_mark_rtx): Use ggc_test_and_set_mark.
1284 (ggc_mark_tree): Likewise.
1285 (ggc_mark_rtvec): Likewise.
1286 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
1288 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
1290 * dwarf2out.c (scope_die_for): Only handle types. Only search for
1292 (decl_scope_table): Just an array of trees now.
1293 (push_decl_scope): Simplify.
1294 (dwarf2out_init): Adjust.
1295 (local_scope_p): New fn.
1296 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
1297 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
1298 (gen_typedef_die): Likewise.
1299 (gen_lexical_block_die): Don't call push/pop_decl_scope.
1300 (gen_inlined_subroutine_die): Likewise.
1301 (gen_abstract_function): Set current_function_decl temporarily.
1302 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
1303 Handle block extern declarations. Don't call push/pop_decl_scope.
1304 (gen_decl_die): Fix logic for block externs.
1306 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1308 * calls.c (special_function_p): Remove `realloc' and add `strdup'
1309 to the list of functions which have attribute malloc by default.
1311 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1313 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
1314 integer constant does not match the traditional type, limit the
1315 warnings to cases where the base of the type is ten.
1317 * invoke.texi (-Wtraditional): Document it.
1319 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1321 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
1322 * rs6000.md: Only access a CONST_INT with INTVAL
1324 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
1326 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
1327 (compute_nearerout): Likewise.
1328 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
1329 size_t to unsigned long for formatting.
1331 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1333 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
1334 Allow the user to override call-used/fixed state of %g2-5
1335 registers from the command line (with the exception of %g4 for
1337 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
1338 there is a higher chance of having a leaf function.
1339 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
1340 for ARCH64 which has %ccr register.
1341 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
1343 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
1344 insn accept into delay slot any insn which does not use %[ol]
1345 registers. Accept some LO_SUM and shift left by 1 for the normal
1347 (output_function_epilogue): Likewise.
1348 (epilogue_renumber): Added argument which inhibits any renumbering
1349 and just tests if the rtx does not use any %[ol] registers.
1350 (output_return): Reflect above change.
1352 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1354 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
1355 aggregate passing for sizes <= 16 bytes.
1357 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
1359 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
1360 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
1361 * reload.c (find_dummy_reload): Likewise.
1362 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
1363 * reload1.c (reload_as_needed): Likewise.
1364 * stupid.c (stupid_find_reg): Likewise.
1365 * tm.texi (Obsolete Register Macros): Delete section.
1366 * gmicro.h: Remove all traces of the two macros.
1371 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
1373 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
1374 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
1375 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
1376 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
1377 units for the sparclite86x chip.
1378 (flush): Revert October 14th change; add SImode specifically.
1379 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
1380 * invoke.texi: Document it.
1382 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
1384 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
1385 psimode_truncation_operand.
1387 * config/mn10200/mn10200.c (psimode_truncation_operand): New
1388 function. Return true if the operand is either a MEM valid
1389 for a PSImode address or not a MEM at all.
1391 * config/mn10200/mn10200.md (truncsipsi2): Use
1392 psimode_truncation_operand.
1394 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1396 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
1397 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
1398 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
1399 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
1400 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
1401 (flow_loop_level_compute, low_loops_level_compute): Likewise.
1402 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
1403 * basic-block.h: Protect from multiple inclusion.
1404 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
1405 (struct loops, struct loop): Define structures.
1406 * sbitmap.c (sbitmap_a_subset_b_p): New function.
1407 * sbitmap.h: Protect from multiple inclusion.
1408 (sbitmap_a_subset_b_p): Add prototype.
1409 * Makefile.in (LOOP_H): New macro.
1410 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
1412 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
1414 * cppinit.c (CAT): The argument list of this macro may not contain
1417 1999-11-29 David S. Miller <davem@redhat.com>
1419 Move quantity tables and register equivalence chains into
1420 per-qty and per-register structure arrays respectively.
1421 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
1422 qty_const_insn, qty_comparison_code, qty_comparison_const,
1423 qty_comparison_qty): Delete, replace with...
1424 (qty_table): this structure table.
1425 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
1426 (reg_eqv_table): this structure table.
1427 (make_new_qty): Add argument MODE. Caller updated.
1428 Update to use qty_table and reg_eqv_table.
1429 (make_regs_eqv, delete_reg_equiv, insert_regs,
1430 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
1431 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
1432 cse_process_notes, cse_main, cse_basic_block): Likewise.
1434 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1436 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
1437 operation if C is negative.
1438 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
1439 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
1440 law for some divisions if constant is negative and change other
1441 divisions to the opposite rounding.
1443 * expr.c (store_constructor_field): If bit position is not multiple
1444 of alignment of TARGET's mode, use BLKmode.
1446 * expr.c (expand_expr_unaligned): Add more code from full case
1447 that is needed when OP0 is in a register.
1449 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1451 * dwarfout.c (field_byte_offset): Size can be zero if there was
1454 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1456 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
1457 (associate_trees): Delete unused var TEM.
1458 (extract_muldiv): Delete unused var CANCEL_P.
1460 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
1461 (target_isinf, target_isnan, target_negative): Add return types to
1462 function definitions.
1464 1999-11-29 Bruce Korb <autogen@linuxbox.com>
1466 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
1467 * fixinc/hackshell.tpl: ditto
1468 * fixinc/fixtests.c(double_slash_test): more C++ header testing
1469 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
1471 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1473 * reload.c (push_reload): When looking for a register to put into
1474 reg_rtx, make sure all hard regs in a multi-reg register are in the
1475 right class and nonfixed.
1477 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
1478 pending_read_insns, pending_write_insns, pending_read_mems,
1479 pending_write_mems, pending_list_length, last_pending_memory_flush,
1480 last_function_call, sched_before_next_call): Move static variables
1482 (bb_ prefixed versions): Replace with single array bb_deps.
1483 (struct deps): New structure.
1484 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
1485 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
1486 argument of type "struct deps *"; use that instead of global
1487 variables. All callers changed.
1488 (init_rgn_data_dependencies): Delete function.
1489 (init_rtx_vector): Delete function.
1490 (init_deps): New function.
1492 (free_pending_lists): Simplify, we always use the bb_deps array even
1493 if only one basic block.
1494 (compute_block_backward_dependences): Likewise.
1495 (schedule_region): Likewise.
1497 (propagate_deps): New function, broken out of
1498 compute_block_backward_dependences.
1499 (compute_block_backward_dependences): Use it.
1501 * alpha.md: Delete useless patterns that tried to work around
1502 register elimination problems.
1504 * unroll.c (loop_iterations): Don't abort if iteration variable
1507 From Joern Rennecke:
1508 * reload1.c (reloads_conflict): Reverse test comparing operand
1509 numbers when testing for conflict between output/outaddr reloads.
1511 1999-11-29 David S. Miller <davem@redhat.com>
1513 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
1515 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
1517 1999-11-28 Robert Lipe <robertl@cygnus.com>
1519 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
1520 table from .fini into .dtor.
1522 1999-11-28 Anthony Green <green@cygnus.com>
1524 * tree.h (struct tree_decl): Add malloc_flag.
1525 (DECL_IS_MALLOC): Define.
1526 * c-common.c (attrs): Add A_MALLOC attribute.
1527 (init_attributes): Add this attribute to the table.
1528 (decl_attributes): Handle malloc attribute.
1529 * calls.c (special_function_p): Check for the malloc attribute.
1530 * extend.texi (Function Attributes): Document malloc attribute.
1532 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
1534 * pa.md (reload shift-add patterns): Remove.
1536 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1538 * reorg.c (dbr_schedule) Print more statistics. Corrected
1539 problem when printing info when 3 delay slots are filled.
1541 1999-11-28 Jakub Jelinek <jakub@redhat.com>
1543 * combine.c (setup_incoming_promotions): Pass an outgoing
1544 regno to FUNCTION_ARG_REGNO_P which it expects.
1546 1999-11-28 Andreas Jaeger <aj@suse.de>
1548 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
1550 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
1552 * cccp.c (do_include): Avoid initialization of automatic variable.
1554 * integrate.c (mark_stores): Function definition made void, to match
1555 previous declaration.
1556 * regclass.c (dump_regclass): Ditto.
1557 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
1559 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1561 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
1562 known to be multiple of divisor.
1564 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
1566 * combine.c (try_combine): Add code to try to merge a set of a
1567 two-word pseudo to a constant with a setting of one of those words
1570 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
1571 (split_tree): Completely rework to make more general.
1572 (make_range, fold): Call negate_expr.
1573 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
1574 (fold, associate): Call new split_tree and associate_trees.
1575 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
1577 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
1579 * loop.c (try_copy_prop): Avoid GNU C extension.
1581 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1583 * except.c (init_eh_for_function): Still zero eh_return_context,
1584 eh_return_stack_adjust, and eh_return_handler.
1586 * except.h (eh_status): Adjust documentation for x_protect_list.
1587 (begin_protect_partials): New function.
1588 * except.c (enqueue_eh_entry): Fix formatting.
1589 (get_first_handler): Add consistency check.
1590 (add_partial_entry): Adjust usage of protect_list.
1591 (emit_cleanup_handler): Save and restore ehqueue.
1592 (expand_start_all_catch): Add comment.
1593 (begin_protect_partials): New function.
1594 (end_protect_partials): Adjust usage of protect_list.
1595 (init_eh_for_function): Use xcalloc.
1597 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1599 * c-common.c (check_format_info): Don't call a variadic function
1600 with a non-literal format string.
1602 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
1604 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
1605 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
1608 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
1611 * collect2.c (collect_wait): Likewise.
1613 * dbxout.c (dbxout_type): Likewise.
1615 * gcc.c (do_spec_1): Likewise.
1617 * genemit.c (gen_insn, gen_expand): Likewise.
1619 * genrecog.c (write_switch, write_subroutine): Likewise.
1621 * mips-tfile.c (catch_signal, botch): Likewise.
1623 * print-rtl.c (print_rtx): Likewise.
1625 * toplev.c (default_print_error_function, report_error_function,
1626 _fatal_insn): Likewise.
1628 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1630 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
1632 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1634 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
1635 operations when needed.
1636 * i386.md (fop_?f_comm): New.
1637 (fop_?f_1): Do not accept commutative operands.
1639 1999-11-25 Andreas Jaeger <aj@suse.de>
1641 * config/mips/mips.md (casesi_internal): Add missing brace.
1643 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
1645 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
1646 (splice_child_die): Handle moving a child DIE from the declaration
1647 DIE of a class to its specification.
1648 (gen_struct_or_union_type_die): Use 'complete' consistently.
1649 (gen_decl_die): Generate the virtual context DIE first.
1650 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
1652 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
1654 * config/mips/mips.md (call_value_multiple_interanal1): New.
1656 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
1658 * dwarf2out.c (free_AT, free_die): New fns.
1659 (remove_children): Call them.
1660 (output_line_info): Disable removal of duplicate notes.
1662 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
1663 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
1664 means pretend the type isn't defined.
1665 Don't defer emitting types.
1666 (gen_type_die_for_member): New fn.
1667 (gen_decl_die): Call it.
1668 (splice_child_die): New fn.
1669 (gen_member_die): Call it rather than generate duplicate dies.
1671 Defer emitting information for the abstract instance of an inline
1672 until we either inline it or emit an out-of-line copy.
1673 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
1674 from output_inline_function if DECL_ABSTRACT is also set.
1675 (block_ultimate_origin): Likewise.
1676 (gen_abstract_function): New fn.
1677 (gen_decl_die, gen_inlined_subroutine_die): Call it.
1678 (gen_subprogram_die): An abstract instance is not a declaration
1679 just because it doesn't match current_function_decl. Don't abort
1680 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
1681 has an abstract origin.
1682 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
1683 abstract instance here.
1685 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
1687 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
1688 where we need to reload fpul from a system register.
1690 1999-11-24 Andreas Jaeger <aj@suse.de>
1692 * config/mips/linux.h (CPP_PREDEFINES): Added.
1693 (LINK_SPEC): Remove -Y since this is only needed on sparc.
1695 1999-11-24 Andreas Jaeger <aj@suse.de>
1697 * config/mips/linux.h (TARGET_VERSION): Added.
1698 (HANDLE_SYSV_PRAGMA): Added.
1699 (DEFAULT_VTABLE_THUNKS): Added.
1701 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1703 * local-alloc.c (qty): New structure and static variable.
1704 (qty_phys_reg): Remove, all references changed to qty.
1705 (qty_n_refs): Likewise.
1706 (qty_min_class): Likewise.
1707 (qty_birth): Likewise.
1708 (qty_death): Likewise.
1709 (qty_size): Likewise.
1710 (qty_mode): Likewise.
1711 (qty_n_calls_crossed): Likewise.
1712 (qty_alternate_class): Likewise.
1713 (qty_changes_size): Likewise.
1714 (qty_first_reg): Likewise.
1715 (alloc_qty): Rename variable QTY to QTYNO.
1716 (finf_free_reg): Likewise.
1717 (local_alloc): Allocate qty, do not allocate the removed variables.
1719 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
1721 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
1722 when -membedded-pic is passed.
1724 * config/mips/mips.md (casesi): Handle 64-bit case too.
1725 (casesi_internal_di): New insn.
1727 * config/mips/mips.c (embedded_pic_offset): Always make the
1728 embedded-pic subtractions relative to the name of the current
1729 function by use of the magic string "..CURRENT_FUNCTION".
1730 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
1732 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
1734 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
1735 of (const_int 0), when what we really care about is
1736 whether it's a zero constant anyway.
1737 (div_trap_mips16): Likewise.
1739 1999-11-23 Mark Mitchell <mark@codesourcery.com>
1741 * loop.c (loop_optimize): Always find_loop_tree_blocks and
1742 unroll_block_trees when generating debuggable code.
1744 * tree.h (unsave_expr_1): New function.
1745 (lang_unsave): New variable.
1746 (get_callee_fndecl): New function.
1747 * tree.c (unsave_expr_now_r): New function.
1748 (lang_unsave): Define.
1749 (unsave_expr_1): Likewise.
1750 (unsave_expr_now_r): Split out from unsave_expr_now.
1751 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
1752 call unsave_expr_now_r.
1753 (get_callee_fndecl): Define.
1755 * Makefile.in (gencheck): Don't depend on lang_tree_files.
1756 (gencheck.o): Do depend on lang_tree_files.
1758 * integrate.h (copy_decl_for_inlining): New declaration.
1759 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
1760 (copy_decl_for_inlining): New function.
1761 (integrate_parm_decls): Use it.
1762 (integrate_decl_tree): Likewise.
1764 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
1766 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
1767 the second two from the first.
1768 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
1769 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
1770 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1772 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
1773 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1776 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
1778 * pa.md (call_internal_symref, call_value_internal_symref): No mode
1779 needed on the address operand.
1780 * pa.c (call_operand_address): Check for the correct mode.
1782 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
1784 * loop.c: Include "basic-block.h".
1785 (try_copy_prop, replace_loop_reg): New functions.
1786 (load_mems): Detect registers that just hold copies of the hoisted
1787 mem, and call try_copy_prop to eliminate them.
1788 * Makefile.in (loop.o): Update dependencies.
1790 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
1792 * Makefile.in (gencheck.o): Depend on gencheck.h.
1793 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
1794 (insn-peep.o): Depend on except.h and function.h.
1795 (insn-attrtab.o): Depend on RECOG_H.
1796 (insn-output.o): Depend on toplev.h and flags.h.
1797 (gengenrtl.o): Depend on real.h.
1798 (gen-protos.o): Depend on cpplib.h and cpphash.h.
1799 Unify all dependencies to be on RECOG_H rather than recog.h.
1801 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1803 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
1804 * configure.in: Try building a bi-arch 32/64-bit compiler on
1805 sparc-*-solaris2.7 and higher.
1806 * configure: Rebuild.
1808 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
1810 * config/freebsd.h: New, FreeBSD architecture independent file.
1811 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
1813 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
1814 directly by i386/freebsd.h.
1815 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
1816 independent configuration file.
1817 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
1818 directly by i386/freebsd.h.
1819 * configure: Rebuilt.
1821 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
1822 which is in the user's namespace.
1823 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
1824 `i386' which is not in our namespace.
1826 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
1828 * invoke.texi (ARM Options): Add in -mno-alignment-traps
1830 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1832 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
1833 (add_dwarf_attr, add_child_die): Just push onto the front.
1834 (reverse_die_lists): New fn.
1835 (add_sibling_attributes): Use it.
1836 (push_decl_scope): Reorganize.
1837 (add_name_and_src_coords_attributes): Don't set file and line for
1839 (gen_subprogram_die): An artificial function doesn't need to match
1841 (gen_compile_unit_die): Return the generated die. Only add
1842 AT_comp_dir if the filename is relative.
1843 (remove_AT): Simplify loop. Also free string values.
1844 (output_die): A DIE ref can't be null.
1845 (output_value_format, value_format): Take a dw_attr_ref.
1846 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
1847 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1848 AT_addr, AT_lbl): New fns.
1849 (various): Use them.
1850 (various): Constify.
1852 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1854 * combine.c (combine_simplify_rtx): When handling a SUBREG,
1855 take SUBREG_WORD into account.
1856 (if_then_else_cond): Likewise.
1858 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1860 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
1861 clause from BSD license, pursuant with
1863 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
1865 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
1867 * loop.c (load_mems): Reformat slightly.
1868 * basic-block.h (regset_head): New typedef.
1869 (INIT_REG_SET): New macro.
1871 1999-11-22 Bruce Korb <autogen@linuxbox.com
1873 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
1874 (mips-dec-bsd*): non-functional code
1875 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
1877 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
1878 added three replacement fixes
1879 (no_double_slash): removed comments that are not (any longer) pertinent
1880 (bad_lval): this fix currently runs against many files.
1881 The comment seems to indicate that we should select for files
1882 containing 'pragma extern_prefix'.
1884 * fixinc/fixinc.x86-linux-gnu: deleted
1885 * fixinc/inclhack.sh: regen
1886 * fixinc/fixincl.x: regen
1887 * fixinc/fixincl.sh: regen
1889 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
1891 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
1892 its code is INSN and it has no notes.
1894 1999-11-22 Andrew Haley <aph@cygnus.com>
1896 * varasm.c (function_defined): Remove.
1897 (make_function_rtl): Don't set function_defined.
1898 (make_decl_rtl): Remove global register warning.
1899 * regclass.c (no_global_reg_vars): New variable.
1900 (globalize_reg): Warn if function has already been defined.
1901 (regclass_init): Set no_global_reg_vars.
1903 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1905 * regclass.c (reg_pref): New structure and static variable
1906 (prefclass): Delete.
1908 (all uses of prefclass and altclass): Use reg_pref instead.
1910 1999-11-21 Nick Clifton <nickc@cygnus.com>
1912 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
1914 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
1915 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1916 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1918 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
1920 * varasm.c (output_constructor): Solve problem with long long
1921 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
1923 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1925 * global.c (allocno): New structure and static variable.
1926 (allocno_reg): Remove, all references replaced by allocno.
1927 (allocno_size): Likewise.
1928 (hard_reg_conflicts): Likewise.
1929 (hard_reg_preferences): Likewise.
1930 (hard_reg_copy_preferences): Likewise.
1931 (hard_reg_full_preferences): Likewise.
1932 (regs_someone_prefers): Likewise.
1933 (allocno_calls_crossed): Likewise.
1934 (allocno_n_refs): Likewise.
1935 (allocno_live_length): Likewise.
1936 (find_reg): Rename ALLOCNO to NUM.
1938 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
1940 (may_move_out_cost): New variable.
1941 (init_reg_sets_1): Initialize may_move_out_cost.
1942 (record_reg_classes): Use may_move_out_cost.
1944 * regclass.c (dump_regclass): New function.
1945 (regclass): New parameter DUMP, call DUMP_REGCLASS.
1946 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
1947 pass rtl_dump_file to regclass.
1948 * rtl.h (regclass): Update prototype.
1950 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1952 * i386.md (neg, not and abs patterns): Revmap to use
1953 ix86_expand_unary_operator and ix86_unary_operator_ok.
1954 (add?f and sub?f expanders): Force operand 1 to register.
1955 * i386.c (ix86_expand_unary_operator): Rewrite.
1956 (ix86_unary_operator_ok): Ensure that memory operands
1958 (ix86_binary_operator_ok): Do not allow operand 1 to
1959 come into memory and operand 0 not.
1960 (ix86_expand_binary_operator): Ensure that
1961 src1 is not non-matching memory.
1963 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
1964 to support integer registers and memory.
1965 (abss?2_integer): Likewise.
1967 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
1968 (REG_CLASS_NAMES): Likewise.
1969 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
1971 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
1972 (movsf): Likewise; unify 4th and 5th alternative.
1974 (movdf_1): Likewise; rename to movdf_integer.
1975 (pushxf): Likewise; rename to pushxf_integer; fix output template;
1976 remove redundant splitter.
1977 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
1978 (movdf_nointeger): New.
1979 (movxf_nointeger): New.
1980 (pushxf_nointeger): New.
1982 * i386.md (extend?f?f): Split to expander and pattern, refuse two
1983 memory operands in patterns.
1984 (fop*): Refuse two memory operands.
1986 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
1987 on !TARGET_USE_CLTD CPUs.
1989 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
1991 * extend.texi: Document C++ restricted pointers and references.
1993 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
1995 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
1996 (invalidate_skipped_set): Call it unconditionally.
1997 (cse_set_around_loop): Likewise.
1999 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2001 * rtl.texi (mem): Add documentation for alias-set argument
2004 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2006 * i386.h (struct_processor_costs): New fields int_load, int_store,
2007 fp_move, fp_load and fp_store
2008 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
2010 (MEMORY_MOVE_COST): New macro.
2011 * i386.c (386_cost): Define new fields.
2012 (i486_cost): Likewise.
2013 (pentium_cost): Likewise.
2014 (pentiumpro_cost): Likewise.
2015 (k6_cost): Likewise.
2017 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
2018 Geoffrey Keating <geoffk@cygnus.com>
2020 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
2022 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
2025 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
2026 (TARGET_STRICT_ALIGNMENT): New macro.
2027 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
2028 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
2029 * invoke.texi (M680x0 Options): Document -mstrict-align.
2031 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
2032 Richard Henderson <rth@cygnus.com>
2034 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
2035 (ix86_split_long_move): Declare.
2036 * i386.c (split_xf, ix86_split_movdi): Remove.
2037 (ix86_split_to_parts, ix86_split_long_move): New.
2038 * i386.md (dimode move splitters): Use ix86_split_long_move.
2039 (dfmode move splitters): Likewise.
2040 (xfmode move splitters): Likewise.
2041 (movsf_1): Allow F->r.
2042 (movdf_1, movxf_1): Allow F->ro.
2044 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2046 * except.h (struct eh_entry): Add goto_entry_p.
2047 (eh_region_from_symbol): Remove prototype.
2048 * except.c (find_func_region_from_symbol): New function.
2049 (emit_cleanup_handler): Likewise.
2050 (eh_region_from_symbol): Make it static.
2051 (add_new_handler): Verify the argument.
2052 (find_func_region): Update comment.
2053 (expand_eh_region_end): Expand handlers here, rater than waiting
2054 until expand_leftover_cleanups or start_all_catch.
2055 (expand_leftover_cleanups): Don't expand here.
2056 (expand_start_all_catch): Or here.
2057 (expand_rethrow): Check the return value from find_func_region.
2058 * function.c (expand_function_end): Emit the catch_clauses.
2060 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
2062 * integrate.c (expand_inline_function): Add necessary check for NULL.
2064 1999-11-18 Nick Clifton <nickc@cygnus.com>
2066 * toplev.c (main): Correctly detect an unrecognised option.
2068 * cppinit.c (cpp_handle_option): Do not claim to have consumed
2069 a -f option if it has not been recognised.
2071 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
2073 * basic-block.h (update_life_extent): Remove trailing comma on
2074 enumeration type list.
2076 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2078 * varasm.c (output_constructor) Solved problem with long long
2079 bitfields. Corrected calculating this_time and shift. Also
2080 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
2082 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
2084 * flow.c (split_edge): Take looping structure into account when
2085 determining where to put the new block note.
2087 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
2089 * Makefile.in (ggc-none.o): Provide host specific version if
2092 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
2094 * cse.c (delete_trivially_dead_insns): Identify no-op insns
2095 containing subregs too.
2097 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2099 * invoke.texi: Add documentation for -muninit-const-in-rodata.
2100 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
2101 (TARGET_UNINIT_CONST_IN_RODATA): Define.
2102 (text_section): Add switches -munint-const-in-rodata and
2103 -mno-uninit-const-in-rodata.
2104 (ASM_OUTPUT_COMMON): Remove.
2105 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
2106 const objects should be placed in read-only data. Otherwise declare
2109 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
2111 * jump.c (jump_optimize_1): Revert last change.
2113 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
2115 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
2116 test if optimizing for size.
2118 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2120 * Makefile.in (toplev.o): Depend on except.h.
2121 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
2123 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2125 * i386.md (divmodsi4): Rewrite to expander.
2126 (*divmodsi4_nocltd): New.
2127 (*divmodsi4_cltd): New.
2128 (divmodsi4 splitter): Handle the case when input comes in edx.
2129 (udivmodhi4): Do not use constraints in exander.
2130 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
2132 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
2134 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
2135 for the common case.
2137 1999-11-16 Jakub Jelinek <jakub@redhat.com>
2139 * explow.c (hard_function_value): Add outgoing argument.
2140 * expr.h (hard_function_value): Declare it.
2141 * calls.c (expand_call, emit_library_call_value): Update callers.
2142 * function.c (aggregate_value_p): Ditto.
2143 (diddle_return_value): Must look at the outgoing registers
2144 on archs with register windows.
2146 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
2148 * alpha.c (alpha_build_va_list): Use make_lang_type and
2149 initialize TYPE_NAME for the va_list record.
2151 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
2153 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
2155 * ggc.h (struct ggc_statistics): Rearrange elements for better
2156 packing on 64-bit hosts.
2157 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
2158 (compute_nearerout): Likewise.
2160 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
2162 * config/rs6000/rs6000.c (first_reg_to_save): Save
2163 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
2165 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
2167 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
2168 notion of nesting to find the DIE for a type or function.
2169 DIEs can go in limbo even if we got a context_die.
2170 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
2171 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
2173 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
2174 (gen_type_die): Writing out the context doesn't cause member class
2175 template instantiations to be written out as well.
2177 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
2179 * rs6000.h (ASM_OUTPUT_DEF): New.
2180 Based on proposed addition from David Edelsohn.
2182 1999-11-15 Robert Lipe <RobertLipe@usa.net>
2183 Bruce Korb <autogen@linuxbox.com>
2185 * fixinc/inclhack.def
2186 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
2187 (unixware7_byteorder_fix): added. Removes conflicts for new defs
2189 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
2190 (svr4_endian): enabled with SVR5
2191 (svr4_mkdev): simplified syntax and enabled with SVR5
2193 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
2195 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
2196 * configure: Rebuilt.
2197 * config/t-freebsd-thread: New file.
2199 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
2201 * i386.c (ix86_decompose_address): Verify the base is a REG
2202 before trying to examine its register number.
2204 * basic-block.h: Remove all #defines and prototypes related to
2206 (free_bb_mem, compute_preds_succs): Remove prototype.
2207 * rtl.h (free_bb_mem): Remove prototype.
2208 * flow.c (alloc_int_list_node); Remove function.
2209 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
2210 (compute_preds_succs, free_bb_mem): Likewise.
2211 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
2212 * toplev.c (rest_of_compilation): Likewise.
2213 * haifa-sched.c (build_control_flow): Use flow generated edge
2214 list to build the haifa specific edge list.
2215 (find_rgns): Use new CFG data structures instead of pred/succ lists.
2216 (schedule_insns): Do not build pred/succ lists anymore. Instead
2217 build the edge table.
2219 * basic-block.h (dump_bb_data): Remove declaration.
2220 * flow.c (dump_bb_data): Remove function.
2221 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
2222 (sbitmap_union_of_predsucc): Likewise.
2224 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
2225 argument. All callers changed.
2226 (delete_null_pointer_checks_1): No longer need to compute the
2229 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
2230 All callers changed.
2231 (pre_expr_reaches_here_p_work): Likewise.
2232 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
2233 * lcm.c (compute_laterin): Fix initialization of LATER.
2234 (compute_nearerout): Similarly for NEARER.
2236 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2238 * cse.c (set_nonvarying_address_components): Delete unused function.
2239 (refers_to_p): Likewise.
2241 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
2243 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
2246 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2248 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
2249 definition in do while (0).
2251 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
2253 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
2255 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
2257 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
2259 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
2261 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
2262 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
2263 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
2264 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
2266 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
2267 saved on the stack. Output more accurate stack frame statistics
2268 into assembler file.
2270 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
2272 * genextract.c (record_insn_name): New function.
2273 (get_insn_name): No longer a stub.
2274 (main): Call record_insn_name for each insn. After each label
2275 written, print the insn name in a comment.
2277 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2279 * output.h (const_section, init_section, fini_section): Add
2282 * alpha/elf.h (const_section): Delete declaration.
2284 * svr4.h (const_section): Likewise.
2286 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
2288 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
2289 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
2290 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
2292 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
2293 variable-sized array bounds.
2295 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
2297 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
2300 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2302 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
2303 addresses the same way GO_IF_LEGITIMATE_INDEX does.
2305 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2307 * cse.c (hash_arg_in_struct): Delete.
2308 (struct table_elt): Delete elt in_struct.
2309 (struct set): Delete elt src_in_struct.
2310 (merge_equiv_classes): Don't set either hash_arg_in_struct or
2311 the corresponding in_struct elts.
2312 (canon_hash): Likewise.
2313 (safe_hash): Likewise.
2314 (find_best_addr): Likewise.
2315 (record_jump_cond): Likewise.
2316 (cse_insn): Likewise.
2318 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
2320 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
2322 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
2325 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
2327 * function.c (diddle_return_value): Put back check that the DECL_RTL
2328 for the function is a register.
2330 * function.c (diddle_return_value): Use hard_function_value to
2331 get an rtx suitable for use in the USE/CLOBBER insn.
2333 * global.c (global_conflicts): Update comments.
2334 (record_conflicts): No need to record conflicts between pseudos here.
2336 1999-11-11 Bruce Korb <autogen@linuxbox.com>
2338 * fixinc/fixincl.c: Added verbose levels for status messages
2340 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2342 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
2343 operand as argument to expand_and or expand_binop.
2345 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
2347 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
2348 gcc_add_string_root.
2350 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
2352 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
2354 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
2356 * flow.c (compute_flow_dominators): Initially put all blocks on
2358 * lcm.c (compute_antinout_edge, compute_available): Similarly.
2359 * gcse.c (compute_cprop_avinout): Remove.
2360 (compute_cprop_data): Use compute_available.
2361 (delete_null_pointer_checks_1): Use compute_available.
2363 * basic-block.h (compute_available): Returns a void now.
2364 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
2365 to return a value anymore.
2366 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
2367 worklists. Fix boundary cases. Compute maximal solutions.
2368 (compute_laterin, compute_nearerout): Similarly.
2370 * dwarf2out.c (add_AT_location_description): Allow
2371 (mem (plus (pseudo) (...)) too.
2373 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
2375 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
2377 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
2378 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2380 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
2382 * gansidecl.h: Likewise.
2388 * toplev.h: Likewise.
2394 * varray.c: Likewise.
2396 * varray.h: Likewise.
2398 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
2400 * gcov.c (struct arcdata): Add hits and total, remove prob.
2401 (output_branch_counts): New.
2402 (process_args): Set output_branch_counts if -c.
2403 (calculate_branch_probs): Store hits and total instead of
2405 (output_data): Emit counts if output_branch_counts is true.
2406 * gcov.texi (Invoking Gcov): Document -c switch..
2408 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
2410 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
2411 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
2413 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
2415 * invoke.texi (C Dialect Options): Add missing builtins from
2417 * extend.texi (Other Builtins): Copy to this list.
2419 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2421 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
2422 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
2425 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
2427 * flow.c (compute_flow_dominators): No longer treat basic block 0
2428 or (n_basic_blocks - 1) specially. Clear the AUX field before
2429 starting computation of doms/pdoms. Fix initial state for pdoms.
2431 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2433 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
2434 match rtl.o's: added ggc.h and toplev.h
2435 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
2436 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
2437 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
2439 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
2441 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
2442 from HAVE_DOS_BASED_FILESYSTEM.
2443 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
2444 HAVE_DOS_BASED_FILESYSTEM.
2446 (split_directories): Only special-case DOS file names if
2447 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
2448 instead of explicit tests. Conditionalize on !VMS.
2449 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
2450 tests. Conditionalize on !VMS.
2451 (process_command): Only use make_relative_prefix if !VMS.
2452 (free_split_directories): Conditionalize on !VMS.
2453 (DIR_UP): Conditionalize on !VMS.
2455 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
2457 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
2459 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
2461 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
2464 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
2466 * invoke.texi (Environment Variables): Document relative path
2468 * gcc.c (DIR_UP): If not defined, define as "..".
2469 (standard_bindir_prefix): New static, holds target location to
2471 (split_directories): New function to split a filename into
2472 component directories.
2473 (free_split_directories): New function, release memory allocated
2474 by split_directories.
2475 (make_relative_prefix): New function, make a relative pathname if
2476 the compiler is not in the expected location.
2477 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
2478 can figure out an appropriate prefix from argv[0].
2479 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
2480 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
2481 STANDARD_BINDIR_PREFIX.
2483 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2485 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
2487 * config/c4x/c4x.h: Moved prototypes to c4x.h.
2488 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
2489 c4x_secondary_memory_needed) Delete.
2490 (fp_zero_operand): Add mode argument.
2492 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
2494 * reload1.c (reload_reg_free_for_value_p): Don't use a register
2495 that is in reload_reg_used.
2497 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
2499 * config/arm/arm-protos.h: New file: Prototypes for functions
2500 defined in arm.c and pe.c.
2501 * config/arm/arm.h: Fix compile time warnings.
2502 * config/arm/arm.c: Fix compile time warnings.
2503 * config/arm/pe.h: Fix compile time warnings.
2504 * config/arm/aout.h: Fix compile time warnings.
2506 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
2508 * config/m32r/m32r-protos.h: New file: Prototypes for functions
2511 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
2512 Add support for subtargets.
2513 Add prototypes for new predicates.
2514 Add scheduling macros.
2516 * config/m32r/m32r.c: Fix compile time warnings.
2517 (int8_operand): New predicate function.
2518 (reg_or_cmp_int16_operand): New predicate function.
2519 (extend_operand): New predicate function.
2520 (m32r_adjust_code): New scheduling function.
2521 (m32r_adjust_priorty): New scheduling function.
2522 (m32r_sched_init): New scheduling function.
2523 (m32r_sched_reorder): New scheduling function.
2524 (m32r_sched_variable_issue): New scheduling function.
2525 (direct_return): New codegen function.
2526 (m32r_not_same_reg): New rtl testsing function.
2528 * config/m32r/m32r.md: Fix compile time warnings.
2529 Add support for pre decrement and post increment memory
2534 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2536 * global.c (EXECUTE_IF_CONFLICT): Don't define.
2537 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
2538 (find_reg): Likewise.
2540 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
2542 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
2543 to avoid assembler errors.
2545 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
2547 * config/v850/v850-protos.h: New file: Prototypes for functions
2549 * config/v850/v850.h: Move prototypes to v850-protos.h
2550 * config/v850/v850.c: Move prototypes to v850-protos.h
2551 * config/v850/v850.md: Fix compile time warnings.
2553 * config/fr30/fr30-protos.h: New file: Prototypes for functions
2555 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
2556 * config/fr30/fr30.c: Fix compile time warnings.
2557 * config/fr30/fr30.md: Fix compile time warnings.
2559 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
2561 * tree.h (get_containing_scope): Declare it.
2562 * tree.c (get_containing_scope): New fucntion.
2563 (decl_function_context): Use it.
2564 * toplev.c (rest_of_compilation): Use get_containing_scope.
2566 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2568 * Makefile.in (rtl.o): Depend on toplev.h.
2570 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
2572 * cse.c (delete_trivially_dead_insns): Replace alloca with
2574 * except.c (update_rethrow_references): Likewise.
2575 (init_eh_nesting_info): Likewise.
2576 * function.c (identify_blocks): Likewise.
2577 * gcse.c (dump_hash_table): Likewise.
2578 * graph.c (print_rtl_graph_with_bb): Likewise.
2579 * loop.c (combine_movables): Likewise.
2580 (move_movables): Likewise.
2581 (count_loop_regs_set): Likewise.
2582 (strength_reduce): Likewise.
2583 * profile.c (compute_branch_probabilities): New function, split
2585 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
2586 * regclass.c (regclass): Likewise.
2587 * regmove.c (regmove_optimize): Likewise.
2588 * toplev.c (compile_file): Likewise.
2589 (main): Don't mess with the stack rlimit.
2591 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
2593 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
2594 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
2596 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
2598 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
2600 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
2602 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
2603 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
2606 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
2608 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
2610 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
2612 * gcse.c (post_dominators): Kill.
2613 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
2614 (compute_code_hoist_data): Use compute_flow_dominators. Do not
2615 pass in a pdom array since we do not need pdoms.
2616 * haifa-sched.c (schedule_insns): Similarly.
2617 * flow.c (compute_dominators): Remove dead function.
2618 (compute_flow_dominators): Do not compute doms or pdoms if the
2619 caller does not request them. Split up loop to build doms and
2620 pdoms. Use a worklist to compute doms and pdoms.
2621 * basic-block.h (compute_dominators): Remove prototype.
2623 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
2625 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
2626 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
2627 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
2628 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
2629 (cant_move, fed_by_spec_load, is_load_insn): Remove.
2630 (schedule_region): Remove unused variable.
2631 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
2633 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
2635 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
2636 (update_equiv_regs): Likewise.
2637 (block_alloc): Likewise.
2638 * reg-stack.c (reg_to_stack): Likewise.
2639 (convert_regs_2): Likewise.
2640 * reload1.c (reload_as_needed): Likewise.
2642 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
2644 * Makefile.in (dbxout.o): Depend on ggc.h.
2645 (dwarf2out.o): Likewise.
2646 (xcoffout.o): Likewise.
2647 * dbxout.c: Include ggc.h.
2648 (dbxout_init): Register lastfile as a root.
2649 * dwarf2out.c: Include ggc.h.
2650 (dwarf2out_line): Register lastfile as a root.
2651 * xcoffout.c: Include ggc.h.
2652 (xcoffout_source_line): Register xcoff_lastfile as a root.
2654 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
2656 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
2658 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
2660 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
2662 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2664 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2666 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
2667 (EXECUTE_IF_CONFLICT): Likewise.
2668 (ALLOCNO_LIVE_P): Avoid signed division.
2669 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
2670 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
2671 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
2673 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
2675 * haifa-sched.c (schedule_block): Don't crash if there's no
2676 next insn for an interblock movement.
2677 (add_branch_dependences): Don't allow clobber insns to move either.
2679 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
2681 * i386.c (split_xf): New.
2682 * i386-protos.h: Declare it.
2683 * i386.md (movxf_1): Add general regs alternatives.
2684 (movxf_1+1): New splitter for same.
2686 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
2688 * function.c (purge_addressof_1): Add missing return values.
2690 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
2692 * function.c (is_addressof): New function. Returns true if
2693 the given piece of RTL is an ADDRESSOF.
2694 (purge_addressof_1): Make boolean. Return false if the
2695 ADDRESSOFs could not be purged.
2696 (purge_addressof): If ADDRESSOFs could not be purged from the
2697 notes attached to an insn, remove the offending note(s),
2698 unless they are attached to a libcall.
2700 1999-11-05 Andreas Jaeger <aj@suse.de>
2702 * genoutput.c (null_operand =): Initialize all fields.
2704 * errors.h: Add extern to prototypes.
2706 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
2708 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
2709 * configure: Rebuilt.
2711 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2713 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
2714 (mirror_conflicts): New function.
2715 (global_alloc): Call it.
2716 (expand_preferences): Remove redundant CONFLICTP test.
2717 (find_reg, dump_conflicts): Likewise.
2718 (prune_preferences): Process conflicts one word at a time.
2720 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
2722 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
2723 instead of an explicit loop.
2725 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
2727 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
2728 if REG_RETVAL check succeeds, then put classp in src_elt.
2730 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
2732 * function.c (pad_to_arg_alignment): Only update argument_pad
2733 if the argument's alignment is greater than STACK_BOUNDARY.
2735 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
2737 * bitmap.h (BITMAP_XFREE): New.
2738 * flow.c (life_analysis): Use it.
2739 (life_analysis_1): Free blocks.
2741 * combine.c (undo_commit): New.
2742 (try_combine): Use it. Don't zap undobuf.undos.
2743 (combine_instructions): Don't zap undobuf.undos; free the
2746 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
2748 * stmt.c (cost_table_): New.
2749 (estimate_case_costs): Use it instead of xmalloc.
2751 * toplev.c (compile_file): Reuse dumpname memory instead
2754 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
2756 * reg-stack.c (convert_regs_1): Initialize target_stack->top
2757 after verifying an EH edge.
2759 * haifa-sched.c (init_rgn_data_dependences): Correctly
2760 size bb_pending_lists_length when zeroing.
2762 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
2764 * function.c (diddle_return_value): New.
2765 (expand_function_end): Use it.
2766 * stmt.c (expand_null_return): Likewise.
2767 (expand_value_return): Likewise.
2769 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
2771 * reload1.c (reload): Don't remove return value clobbers.
2773 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
2775 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
2777 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
2779 * cse.c (cse_main): Use xmalloc, not alloca.
2780 (cse_basic_block): Likewise.
2781 * local-alloc.c (local_alloc): Likewise.
2783 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
2784 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2786 * rtl.c: Include toplev.h.
2787 (fatal): Remove declaration.
2789 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
2791 * haifa-sched.c (schedule_block): Fix thinko.
2793 1999-11-03 James McKelvey <mckelvey@fafnir.com>
2795 * fixinc/fixincl.c(create_file): Allow for systems that do not have
2796 S_IR* defined values
2798 1999-11-03 Philippe De Muyter <phdm@macqel.be>
2800 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
2801 call `malloc' instead.
2803 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
2805 * flags.h (flag_renumber_insns): Declare.
2806 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
2808 * rtl.h (renumber_insns): Change prototype.
2809 * toplev.c (flag_renumber_insns): Define.
2810 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
2812 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
2814 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
2815 and fpsqrtd. Use them and create fdiv function unit to more
2816 accurately represent fpu sqrt pipeline semantics on UltraSparc.
2817 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
2819 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
2821 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
2823 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
2824 insn into ready list, do not use just a raw swap.
2826 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
2828 * rtl.h (renumber_insns): New function.
2829 (remove_unnecessary_notes): Likewise.
2830 * emit-rtl.c (renumber_insns): Define.
2831 (remove_unncessary_notes): Likewise.
2832 * toplev.c (rest_of_compilation): Remove dead code.
2833 Use renumber_insns and remove_unncessary_notes.
2835 * gcse.c (struct null_pointer_info): New type.
2836 (get_bitmap_width): New function.
2837 (current_block): Remove.
2838 (nonnull_local): Likewise.
2839 (nonnull_killed): Likewise.
2840 (invalidate_nonnull_info): Take a null_pointer_info as input.
2841 (delete_null_pointer_checks_1): New function.
2842 (delete_null_pointer_checks): Use it.
2844 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
2845 (split_edges): Likewise.
2846 (schedule_block): Likewise.
2847 (compute_block_backward_dependencies): Likewise.
2848 (schedule_region): Likewise.
2849 (schedule_insns): Likewise.
2851 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
2853 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
2854 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
2855 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
2856 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
2857 * jump.c (delete_unreferenced_labels): Don't delete if
2858 LABEL_ALTERNATE_NAME is set.
2859 * print-rtl.c (print_rtx): Dump alternate name.
2860 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
2861 * rtl.h (LABEL_ALTERNATE_NAME): Define.
2862 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
2863 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
2865 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2867 * fix-header.c (recognized_extern, recognized_function): Constify
2870 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
2871 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2872 (compute_available): Remove unused variable `last'.
2873 (compute_nearerout): Remove unused variable `temp_bitmap'.
2874 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2875 Remove unused variable `x'.
2877 * scan.h (recognized_function, recognized_extern): Constify a
2880 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
2882 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2884 * varasm.c (decode_rtx_const): Use XSTR to access the string
2887 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
2889 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
2891 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2893 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
2895 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
2897 * pa.c (ireg_operand): New function.
2898 * pa.h (PREDICATE_CODES): Handle ireg_operand.
2899 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
2900 Fix out of date comment.
2902 * pa.md (negdi2): Turn into expander + anonymous pattern.
2904 * reload.c (find_reloads): Fix typos in recent change.
2906 * dwarf2out.c: Do not include ctype.h.
2908 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2910 * regclass.c (record_reg_classes): Always use may_move_cost when
2911 seeing how operand fits with various register classes.
2913 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
2915 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
2916 * toplev.c: Revert Nov 1 13:22 change.
2918 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
2920 * config/pa/pa.md (height reduction patterns): Add checks for
2921 overlapping operands to avoid semantic-destroying splits for
2922 height reduction patterns.
2924 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2926 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
2927 have been an hyphen, fixed.
2928 * configure: Rebuilt.
2930 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
2932 * config/arm/tpe.h: Add prototypes for exported functions.
2933 * config/arm/pe.c: Fix compile time warnings.
2934 * config/arm/semi.h: Fix compile time warnings.
2935 * config/arm/arm.c: Fix compile time warnings.
2936 * config/arm/arm.h: Fix compile time warnings.
2937 * config/arm/arm.md: Fix compile time warnings.
2938 * config/arm/thumb.c: Fix compile time warnings.
2939 * config/arm/thumb.h: Fix compile time warnings.
2940 * config/arm/thumb.md: Fix compile time warnings.
2942 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
2944 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
2947 * unroll.c (unroll_loop): Remove LOOP notes when loop is
2948 completely unrolled.
2950 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2952 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
2954 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
2956 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
2957 * rtl.h (rtx_equal_p): Move prototype.
2958 * rtl.c (rtx_equal_function_value_matters): Move from
2960 (rtx_equal_p): Likewise.
2961 * rtlanal.c (rtx_equal_function_value_matters): Delete.
2962 (rtx_equal_p): Likewise.
2964 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
2966 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
2969 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
2971 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
2973 * pa.h (ADDR_VEC_ALIGN): Define.
2975 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
2976 notes when presented with "if (foo) break; end_of_loop" and
2977 the break sequence gets moved out of the loop.
2979 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
2980 Remove explicit zero initializations of entries within MAP.
2982 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
2984 * reg-stack.c (convert_regs_1): Handle EH edges specially.
2986 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
2988 * bitmap.h (BITMAP_XMALLOC): New macro.
2989 * flow.c (CLEAN_ALLOCA): Remove.
2990 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
2991 (life_analysis): Likewise.
2992 (update_life_info): Don't use CLEAN_ALLOCA.
2993 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
2994 (calculate_global_regs_live): Likewise.
2995 (print_rtl_with_bb): Likewise.
2996 (verify_flow_info): Likewise.
2997 * global.c (global_alloc): Likewise.
2998 (global_conflicts): Likewise.
2999 * integrate.c (save_for_inline_nocopy): Likewise.
3000 (expand_inline_function): Likewise.
3001 * jump.c (jump_optimize_1): Likewise.
3002 (duplicate_loop_exit_test): Likewise.
3003 (thread_jumps): Likewise.
3004 * loop.c (loop_optimize): Likewise.
3005 (combine_givs): Likewise.
3006 (recombine_givs): Likewise.
3007 * reorg.c (dbr_schedule): Likewise.
3008 * unroll.c (unroll_loop): Likewise.
3010 * combine.c (combine_instructions): Use xmalloc instead of alloca.
3012 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
3014 * toplev.c (rest_of_compilation): Don't optimize the CFG
3015 when rebuilding, just before dbr.
3017 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3019 * output.h (assemble_end_function, assemble_destructor,
3020 assemble_constructor, assemble_gc_entry, assemble_global,
3021 assemble_label, output_constant_pool) Constify a char*.
3023 * varasm.c (assemble_destructor, assemble_constructor,
3024 assemble_gc_entry, assemble_end_function, assemble_global,
3025 assemble_label, output_constant_pool): Likewise.
3027 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
3029 * config/arm/thumb.c (thumb_expand_prologue): Add comments
3030 explaining what is goin on in this function.
3032 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3034 * regclass.c (record_reg_classes): In matching case, recompute
3035 costs since the direction of movement is different.
3037 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
3039 * resource.c (mark_target_live_regs): For unconditional branches,
3040 the resources found at the branch target should be added to the
3041 resources found so far, not intersected.
3043 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
3045 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
3047 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
3048 (sys/mman.h): Include this file only if #HAVE_MMAP.
3049 (run_compiles): Initialize `esac_fmt' with one old KR string, not
3050 with automatically concatenated ANSI strings.
3052 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
3054 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
3055 (DIV_ROUND_UP): Robustify.
3056 (ggc_recalculate_in_use_p): New function.
3057 (release_pages): Don't inline it.
3058 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
3060 (ggc_pop_context): Use ggc_recalculate_in_use_p.
3061 (clear_marks): Always save in_use_p.
3062 (sweep_pages): Use ggc_recalculate_in_use_p.
3063 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
3064 Release pages before counting statistics.
3066 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
3068 * toplev.c (rest_of_compilation): Fix thinko in this change:
3070 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3072 (rest_of_compilation): If inside an inlined external function,
3073 pretend we are just being declared.
3075 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
3077 * flow.c (calculate_global_regs_live): Fix thinko.
3079 * integrate.c (expand_inline_function): Fix bugs in previous
3080 change from Oct 28, 1999.
3082 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
3084 * stmt.c (expand_value_return): Fix typo in this change:
3086 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3087 (expand_value_return): Correctly convert VAL when promoting function
3088 return; support RETURN_REG being a PARALLEL.
3090 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
3092 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
3094 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3096 * hard-reg-set.h (reg_names): Constify a char*.
3098 * regclass.c (reg_names): Likewise.
3100 * regs.h (reg_names): Likewise
3102 * a29k/a29k.c (reg_names): Delete declaration.
3104 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
3106 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
3107 arc_output_function_epilogue): Likewise.
3109 * elxsi/elxsi.c (reg_names): Likewise.
3111 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
3113 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
3116 * m88k/m88k.c (output_function_profiler): Likewise.
3118 * sparc/sparc.c (sparc_flat_output_function_prologue,
3119 sparc_flat_output_function_epilogue): Likewise.
3121 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
3123 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
3124 warning from -Wuninitialized and put it under -W.
3125 * function.c (uninitialized_vars_warning): Warn only when the
3126 corresponding flag is set.
3128 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
3130 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
3131 is nonzero and the single set does not have an elt, then assign
3134 * simplify-rtx.c: New file.
3135 * Makefile.in (OBJS): Add simplify-rtx.o
3136 (simplify-rtx.o): Add dependencies.
3137 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
3138 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
3139 (cse_gen_binary, simplify_unary_operation): Delete.
3140 (simplify_binary_operation, simplify_plus_minus): Likewise.
3141 (check_fold_consts, simplify_relation_operation): Likewise.
3142 (simplify_ternary_operation): Likewise.
3143 (delete_trivially_dead_insns): Simplify the contents of the
3144 REG_EQUAL note before trying to substitute it into the source
3145 of the reg-reg copy at the end of a libcall sequence.
3147 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
3148 references/callers changed.
3150 * mn10200.c (mn10200_va_arg): Force the return value into a
3153 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
3155 * cccp.c (macroexpand): Avoid out of range accesses for omitted
3158 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
3160 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
3162 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
3164 * fold-const.c (fold): Fix thinko when optimizing comparisons
3167 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
3169 * gcc.texi (Passes): Update front-end files to their current
3172 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
3174 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
3175 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3176 (PREDICATE_CODES): Add addition_operation.
3177 * alpha-protos.h (addition_operation): Declare.
3178 (secondary_reload_class): Likewise.
3179 * alpha.c (addition_operation): New.
3180 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
3181 * alpha.md (adddi3): Turn into expander.
3182 (*lda, *adddi_2): New.
3183 (movsf, movdf patterns): Don't preference integer regs.
3184 (movsi, movdi patterns): Don't preference fp regs.
3186 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
3188 * genrecog.c (write_switch): Check for duplicate CODE cases.
3190 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
3192 * ggc-common.c: Update pre-function commentary.
3193 * ggc-page.c: Likewise.
3195 (poison_pages): Use memset directly.
3196 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
3197 (ggc_collect): Poison before sweeping.
3198 * ggc-simple.c: Update pre-function commentary.
3199 (ggc_alloc_obj): Poison non-zeroed memory.
3201 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
3203 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
3204 match format string, even on 64-bit hosts.
3205 * gcc-page.c (ggc_page_print_statistics): Likewise.
3207 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
3209 * config/i386/i386.c (ix86_cpu): Revert last patch.
3210 * config/i386/i386.h (ix86_cpu): Ditto.
3212 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
3214 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
3215 TYPE_SIZE, convert type of result to sizetype.
3217 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
3219 * flow.c (count_or_remove_death_notes): Equate NULL with the
3222 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
3223 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
3226 * i386.c (pic_label_no): Delete.
3227 (ix86_attr_length_default): Don't use single_set to peek
3230 * recog.c (peephole2_optimize): Allow recog_next_insn to index
3231 the first insn after bb->end.
3232 * i386.md (push mem peeps): Scratch is live after evaluation
3234 (cmp mem peep): Similarly.
3236 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
3238 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
3239 * function.c (pad_to_arg_alignment): Add missing braces.
3241 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3243 * alpha/alpha-protos.h (literal_section): Add prototype.
3244 (alpha_need_linkage, alpha_start_function,alpha_end_function):
3247 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
3249 (alpha_start_function, alpha_end_function, float_strings,
3250 alpha_need_linkage): Constify a char*
3252 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
3254 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
3256 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3258 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3260 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3262 * flow.c (debug_flow_info): Add prototype.
3264 * gcc.c (main): Likewise.
3266 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
3269 * reload1.c (failed_reload, set_reload_reg): Likewise.
3271 * mips-tfile.c (main): Likewise.
3272 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
3273 with ATTRIBUTE_NORETURN.
3275 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
3277 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
3278 DECL is not a memory ref.
3280 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
3282 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
3283 * config/i386/i386.c (ix86_cpu): Add extern attribute.
3285 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
3287 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
3288 * config/mips/elf64.h: ditto.
3290 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
3292 * expr.c (emit_push_insn): New argument alignment_pad.
3293 Update all callers. Adjust stack pointer based on alignment pad.
3294 * function.c (pad_to_arg_alignment): New argument alignment_pad.
3295 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
3296 (locate_and_pad_parm): New argument alignment_pad. Update all
3298 * expr.h (emit_push_insn): Update prototype.
3299 (locate_and_pad_parm): Update prototype.
3300 * calls.c (arg_data): Add new field alignment_pad.
3301 (initialize_argument_information): Initialize alignment_pad.
3303 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
3305 * except.c (free_eh_nesting_info): Free the info itself.
3306 * function.c (free_after_compilation): Don't free NULL.
3307 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
3308 (pre_edge_insert): Free inserted.
3309 * stmt.c (free_stmt_status): Don't free NULL.
3311 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3313 * gcov.c (DIR_SEPARATOR): Provide default.
3314 (output_data): Add test for MS-DOS format absolute filename.
3315 (fancy_abort): Correct program name.
3316 (open_files): Open all files in binary mode.
3317 * libgcc2.c (__bb_exit_func): Likewise.
3319 * profile.c (init_branch_prob): Specify binary when opening files.
3321 * flags.h (flag_unwind_tables): New decl.
3322 * toplev.c (flag_unwind_table): New definition.
3323 (f_options): Add -funwind-tables.
3324 (decode_g_option): Clarify warning when unknown -g option is given.
3325 (rest_of_compilation): If inside an inlined external function,
3326 pretend we are just being declared.
3328 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
3329 (dwarf2out_frame_finish): Likewise.
3331 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
3333 * fold-const.c (merge_ranges): If not in0, but in1, handle
3334 upper bounds equal like subset case.
3336 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
3338 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
3339 passed in a register but moved to the stack.
3341 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
3343 * gcc.c (pass_exit_codes, greatest_status): New variables.
3344 (struct option_map): Add entry for "--pass-exit-codes".
3345 (execute): Update greatest_status if error.
3346 (display_help): Add documentation for -pass-exit-codes.
3347 (process_command): Handle -pass-exit-codes.
3348 (main): Look at pass_exit_codes and greatest_status on call to exit.
3350 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3352 * reload.c (find_reloads): Refine test for no input reload
3353 case to not includes reloads emitted after insn.
3355 * function.c (find_temp_slots_from_address): Handle sum involving
3356 a register that points to a temp slot.
3357 (update_temp_slot_address): Make recursive call if both old and
3358 new are PLUS with a common operand.
3359 * calls.c (expand_call): Mark temp slot for result as having
3362 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
3364 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
3365 component as well as "BINUTILS".
3367 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
3368 * integrate.c (copy_rtx_and_substitute): Likewise.
3369 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
3370 All callers changed.
3371 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
3373 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
3374 gdb extensions, write size of type; also be more consistent
3375 in using references when this is a subtype.
3377 * pa.md (extv, extzv, insv): Use define_expand to reject constant
3378 that is out of range.
3380 * loop.c (unknown_constant_address_altered): New variable.
3381 (prescan_loop): Initialize it.
3382 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
3383 (invariant_p, case MEM): Remove handling for volatile and readonly;
3384 check new variable if readonly.
3385 (check_dbra_loop): Chdeck unknown_constant_address_altered.
3387 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
3388 (addr_affects_sp_p): Removed from note_mem_written and only
3389 define #ifdef AUTO_INC_DEC.
3391 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
3393 * regclass.c (record_reg_classes): Properly handle register move
3396 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
3397 Don't think valid if both operands are invalid.
3398 (struct constant_descriptor): New field RTL.
3399 (mark_const_hash_entry): Mark it.
3400 (record_constant{,_rtx}): Initialize it.
3401 (output_constant_def): Allocate RTL in permanent obstack and
3403 ({record,compare}_constant_1): Modes must match for
3404 CONSTRUCTOR of ARRAY_TYPE.
3406 * c-common.h (initializer_constant_valid_p): Delete decl from here.
3407 * output.h (initializer_constant_valid_p): Move decl to here.
3408 * c-common.c (initializer_constant_valid_p): Delete function from here.
3409 * varasm.c (initializer_constant_valid_p): Move function to here.
3411 * tree.h (STRIP_SIGN_NOPS): New macro.
3412 * fold-const.c (optimize_minmax_comparison): New function.
3413 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
3414 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
3415 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
3416 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
3417 widening conversions.
3418 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
3419 to look at size of mode, not precision of type; also add missing cases.
3420 (optimize_bit_field_compare, decode_field_reference): Don't try to
3421 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
3423 * dwarf2out.c (ctype.h): Include.
3424 (dwarf2out_set_demangle_name_func): New function.
3425 (size_of_line_info): Deleted.
3426 (output_line_info): Compute size of line info table from difference
3428 (base_type_die, add_name_attribute): Call demangle function, if any.
3429 (field_byte_offset): Use bits per word for variable length fields.
3430 (gen_array_type_die): Add array name.
3431 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
3432 (dwarf2out_add_library_unit_info): New function.
3434 * explow.c (set_stack_check_libfunc): New function.
3435 (stack_check_libfunc): New static variable.
3436 (probe_stack_range): Allow front-end to set up a libfunc to call.
3438 * combine.c (simplify_comparison): When making comparison in wider
3439 mode, check for having commuted an AND and a SUBREG.
3440 (contains_muldiv): New function.
3441 (try_combine): Call it when dividing a PARALLEL.
3442 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
3443 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
3445 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
3446 use one of the CLOBBERs instead.
3447 (if_then_else_cond): If comparing against zero, just return thing
3450 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
3451 Don't generate shifts and subtract if have conditional arithmetic.
3453 * rtl.h (delete_barrier): New declaration.
3454 * jump.c (jump_optimize): Set up to handle conditional call.
3455 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
3456 (delete_barrier): New function.
3458 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
3460 * recog.c (nonmemory_operand): Accept ADDRESSOF.
3462 * tree.c (build_type_attribute_variant): Push to obstack of
3463 ttype around type_hash_canon call.
3465 * expr.c (placeholder_list): Move decl to file scope.
3466 (expand_expr): Don't force access to volatile just because its
3468 If ignoring reference operations, just expand the operands.
3469 (expand_expr, case COMPONENT_REF): Propagate
3470 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
3471 Refine test for using bitfield operations vs pointer punning.
3472 (expand_expr, case CONVERT_EXPR): If converting to
3473 BLKmode UNION_TYPE from BLKmode, just return inner object.
3474 Use proper mode in store_field call.
3475 Properly set sizes of object to store and total size in store_field
3476 call for convert to union.
3477 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
3478 memory (like for ADDR_EXPR). Also, don't put constant in register if
3479 we'll want it in memory.
3480 (readonly_fields_p): New function.
3481 (expand_expr, case INDIRECT_REF): Call it if LHS.
3482 (expand_assignment): Handle a RESULT_DECL where
3483 DECL_RTL is a PARALLEL.
3484 (do_jump, case WITH_RECORD_EXPR): New case.
3485 (get_inner_reference): Always go inside a CONVERT_EXPR
3486 and NOP_EXPR if both modes are the same.
3487 (store_field): Use bitfield operations if size of bitsize is not same
3488 as size of RHS's type.
3489 Check for bitpos not a multiple of alignment in BLKmode case.
3490 Do block move in largest possible alignment.
3491 (store_constructor): Set BITSIZE to -1 for variable size and properly
3492 in case of array of BLKmode.
3493 (expand_expr_unaligned): New function.
3494 (do_compare_and_jump): Call it.
3496 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
3497 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
3498 does not include 'o'.
3500 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
3501 both SET_DEST and SET_SRC reference a virtual register.
3502 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
3504 * integrate.c (expand_inline_function): Handle case of setting
3505 virtual stack vars register (from built in setjmp); when parameter
3506 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
3507 (subst_constant): Add new parm, MEMONLY.
3508 (expand_inline_function, integrate_parm_decls): Pass new parm.
3509 (integrate_decl_tree): Likewise.
3510 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
3511 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
3512 (copy_rtx_and_substitute, case SET): Add explicit calls to
3513 copy_rtx_and_substitute for both sides.
3515 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
3517 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
3518 within INDEX_TYPE, instead of before.
3519 (fixup_gotos): Use f->target_rtl, not the next insn,
3520 since latter may be from a later fixup.
3521 (expand_value_return): Correctly convert VAL when promoting function
3522 return; support RETURN_REG being a PARALLEL.
3523 (expand_return): When checking for result in regs and having
3524 cleanup, consider PARALLEL in DECL_RTL as being in regs.
3526 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
3528 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
3529 last_nominal_fname): Mark const.
3530 (struct include_hash: name, nshort, control_macro): Mark
3532 (struct macrodef: symnam): Mark const.
3533 (struct if_stack: fname): Mark const.
3534 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
3535 (IStable): New character-syntax array which encompasses all
3536 the old is_foo arrays.
3537 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
3538 is_space): New macros for interrogating IStable.
3539 (check_macro_name): Kill last argument. All callers changed.
3541 * cppinit.c (initialize_char_syntax): Delete.
3542 (is_idchar, is_idstart, is_hor_space, is_space,
3543 trigraph_table): Delete.
3544 (IStable): New. Initialize with clever macros to avoid
3545 information duplication.
3546 (builtin_array): Table of builtins to get rid of explicit list
3547 in initialize_builtins.
3548 (initialize_builtins): Use builtins_array.
3549 (cpp_start_read): Call init_IStable, and set IStable['$'] if
3550 opts->dollars_in_ident.
3552 * cppexp.c: Change all refs to is_xyz[] arrays to use new
3554 (cpp_parse_expr): Avoid 'format string is not constant'
3555 warning. Use ISGRAPH to identify printable chars.
3556 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
3558 (read_and_prescan): Map trigraphs to chars with open-coded
3559 if-else-if-... sequence, not a lookup table.
3560 * cpphash.c: Change all refs to is_xyz[] arrays to use new
3562 * cpplib.c: Change all refs to is_xyz[] arrays to use new
3563 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
3564 (check_macro_name): Remove ability to report an invalid
3565 assertion name, which is never used.
3566 (do_line): Constify a couple of char *'s.
3567 * cppmain.c (main): Call cpp_cleanup before returning.
3569 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
3571 * ggc.h (struct ggc_statistics): New type.
3572 (ggc_get_size): New function.
3573 (ggc_print_statistics): Likewise.
3574 * ggc-common.c (ggc_stats): New variable.
3575 (ggc_mark_rtx_children): Keep statistics.
3576 (ggc_mark_tree_children): Likewise.
3577 (ggc_print_statistics): New function.
3578 * ggc-page.c (struct globals): Add bytes_mapped field.
3579 (alloc_anon): Update it.
3580 (release_pages): Likewise.
3581 (ggc_get_size): New function.
3582 (ggc_page_print_statistics): New function.
3583 * ggc-simple.c (ggc_get_size): New function.
3585 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
3587 * flow.c (propagate_block): When the last reference to a label
3588 before an ADDR_VEC is deleted because the reference is a dead
3589 store, delete the ADDR_VEC.
3591 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
3593 * resource.c (find_free_register): Don't use the frame pointer
3594 if frame_pointer_needed.
3596 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
3598 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
3599 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
3601 * config/i960/i960.c (i960_va_start): New locals base, num.
3602 Use INDIRECT_REF instead of ARRAY_REF on valist.
3603 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
3605 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
3607 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
3609 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
3611 * tree.def (PLACEHOLDER_EXPR): Update comments.
3613 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3615 * c-common.c (check_format_info): Avoid non-literal format string
3616 warnings when `first_arg_num' is zero.
3618 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3620 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
3622 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3624 * arm.md (casesi_insn): Add a clobber of the condition code
3627 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
3629 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
3630 used by both cc1 and cc1plus.
3632 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
3634 * config/arm/arm.c: Initialise arm_structure_size_boundary to
3635 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
3636 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
3637 to the value 32 if it has not already been defined.
3638 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
3639 Override definition in arm.h with a value of 8.
3641 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
3643 * c-pragma.c (push_alignment): Don't check the return value
3646 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
3648 * sparc.h (ADJUST_COST): Fix thinko.
3650 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
3652 * cccp.c (rescan): Fixed obp pointer handling around call to
3653 check_expand subroutine.
3655 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
3657 * gcse.c (delete_null_pointer_checks): Only record non-null info
3658 for pseudos when examining stores.
3660 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
3661 splitters for these patterns. Use "#" for output templates.
3662 (addsi3_carryin_shift): New pattern.
3664 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
3666 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
3667 of the function return register into a plain REG until
3668 after function inlining is done.
3670 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
3672 * jump.c (jump_optimize_1): If we did cross-jumping, and
3673 the data will matter, rebuild the CFG.
3674 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
3675 not optimizing. Don't run shorten_branches.
3676 * toplev.c (rest_of_compilation): Run shorten_branches after
3679 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
3681 * rtl.h (note_stores): Add additional paramter.
3682 * rtlanal.c (reg_set_p_1): Take additional paramter.
3683 (reg_set_last_1): Likewise.
3684 (reg_set_p): Adjust call to note_stores.
3685 (reg_set_last): Likewise.
3686 (note_stores): Pass data parameter to worker function.
3687 * alias.c (record_set): Take additional parameter.
3688 (init_alias_analysis): Pass it.
3689 * caller-save.c (mark_set_regs): Take additional parameter.
3690 (save_call_clobbered_regs): Pass NULL to note_stores.
3691 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
3693 (record_dead_and_set_regs_1): Likewise.
3694 (reg_dead_at_p_1): Likewise.
3695 (combine_instructions): Adjust calls to note_stores.
3696 (try_combine): Likewise.
3697 (record_dead_insn): Remove.
3698 (record_dead_and_set_regs): Adjust calls to note_stores.
3699 (reg_dead_at_p): Likewise.
3700 * cse.c (invalidate_skipped_set): Take additional parameter.
3701 (cse_check_loop_start): Likewise.
3702 (cse_check_loop_start_value): Remove.
3703 (cse_set_around_loop): Adjust calls to note_stores.
3704 * flow.c (notice_stack_pointer_modification): Take additional
3705 parameter. Remove duplicate declaration.
3706 (record_volatile_insns): Adjust calls to note_stores.
3707 * gcse.c (record_set_info): Take additional parameter.
3708 (record_last_set_info): Likewise.
3709 (invalidate_nonnull_info): Likewise.
3710 (record_set_insn): Remove.
3711 (compute_sets): Adjust calls to note_stores.
3712 (last_set_insn): Remove.
3713 (compute_hash_table): Adjust calls to note_stores.
3714 (insert_insn_end_bb): Likewise.
3715 (delete_null_pointer_checks): Likewise.
3716 * global.c (mark_reg_store): Take additional parameter.
3717 (mark_reg_clobber): Likewise.
3718 (reg_becomes_live): Likewise.
3719 (global_conflicts): Adjust calls to note_stores.
3720 (build_insn_chain): Likewise.
3721 * integrate.c (note_modified_parmregs): Take additional parameter.
3722 (mark_stores): Likewise. Make it static.
3723 (save_for_inline_nocopy): Adjust calls to note_stores.
3724 (try_constants): Likewise.
3725 * integrate.h (mark_stores): Remove declaration.
3726 * jump.c (mark_modified_reg): Take additional parameter.
3727 (thread_jumps): Adjust calls to note_stores.
3728 * local-alloc.c (validate_equiv_mem_from_store): Take additional
3730 (no_equiv): Likewise.
3731 (reg_is_set): Likewise.
3732 (validate_equiv_mem): Adjust calls to note_stores.
3733 (update_equiv_regs): Likewise.
3734 (block_alloc): Likewise.
3735 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
3736 (note_addr_stored): Take additional parameter.
3737 (note_set_pseudo_multiple_uses): Likewise.
3738 (record_initial): Likewise.
3739 (prescan_loop): Adjust calls to note_stores.
3740 (strength_reduce): Likewise.
3741 (check_dbra_loop): Likewise.
3742 * regmove.c (flags_set_1): Take additional paramter.
3743 (mark_flags_life_zones): Adjust calls to note_stores.
3744 * reload1.c (mark_not_eliminable): Take additional parameter.
3745 (forget_old_reloads_1): Likewise.
3746 (reload_cse_invalidate_rtx): Likewise.
3747 (reload_cse_check_clobber): Likewise.
3748 (reload_combine_note_store): Likewise.
3749 (move2add_note_store): Likewise.
3750 (reload): Adjust calls to note_stores.
3751 (reload_as_needed): Likewise.
3752 (emit_reload_insns): Likewise.
3753 (reload_cse_regs_1): Likewise.
3754 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
3755 (reload_combine): Adjust calls to note_stores.
3756 * resource.c (update_live_status): Take additional paramter.
3757 (mark_target_live_regs): Adjust calls to note_stores.
3758 * stupid.c (find_clobbered_regs): Take additional parameter.
3759 (stupid_life_analysis): Adjust calls to note_stores.
3761 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
3763 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
3766 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
3769 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
3770 of the variable arm_structure_size_boundary.
3772 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
3774 * alias.c (init_alias_analysis): Allocate reg_known_value and
3775 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
3777 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
3778 * cse.c (cse_main): Call end_alias_analysis.
3779 * haifa-sched.c (schedule_insns): Likewise.
3780 * local-alloc. (update_equiv_regs): Likewise.
3781 * reload1.c (reload_cse_regs): Likewise.
3783 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3785 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
3786 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
3787 mapping from MASK_FPU.
3789 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
3791 * sparc.md (call): Don't bound structure return size to 0xfff.
3793 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
3795 * resource.c (mark_target_live_regs): Check that the target
3796 insn wasn't created after compute_bb_for_insn.
3798 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
3800 * ggc-page.c (poison_pages): Don't be overzealous.
3802 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
3804 * alias.c: Update comments for ADDRESS.
3805 (nonlocal_reference_p): Look inside the ADDRESS to determine if
3806 it is a local memory reference.
3808 * c-typeck.c (build_function_call): Check that the built-in
3809 function is of class BUILT_IN_NORMAL before trying to recongize
3811 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
3812 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
3814 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
3816 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
3818 (pre_gcse): Likewise.
3819 (hoist_expr_reaches_here_p): Likewise.
3820 (hoist_code): Likewise.
3821 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
3823 (pre_expr_reaches_here_p_work): ... here.
3824 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
3826 (expr_reaches_here_p_work): ... here.
3828 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
3830 * resource.c (find_basic_block): Delete.
3831 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
3832 (init_resource_info): Call compute_bb_for_insn.
3834 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
3836 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
3837 with already adjacent blocks, but no fallthru.
3838 (merge_blocks_move_successor_nojumps): Simplify.
3839 (debug_flow_info): New.
3841 * toplev.c (rest_of_compilation): Open jump1 dump file before
3842 jump and close after, as opposed to just using dump_rtl.
3844 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3846 * reload.h (earlyclobber_operand_p): Declare.
3847 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
3848 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3849 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
3850 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
3852 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
3853 Richard Henderson <rth@cygnus.com>
3855 * emit-rtl.c (emit_block_insn_before): New.
3856 (emit_block_insn_after): New.
3857 * basic-block.h: Declare them.
3859 * bitmap.h: Protect from multiple inclusion.
3861 * recog.c (scratch_operand): Handle VOIDmode correctly.
3863 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
3865 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
3866 * function.c (assign_parms): Likewise.
3867 * global.c (global_conflicts): Clarify STACK_REGS commentary.
3869 * reg-stack.c (max_uid): Remove.
3870 (blocks, block_begin, block_end, block_drops_in): Remove.
3871 (block_stack_in, block_out_reg_set, block_number): Remove.
3872 (struct block_info_def, BLOCK_INFO): New.
3873 (enum emit_where): New.
3874 (current_block): New.
3875 (BLOCK_NUM): Remove.
3876 (mark_regs_pat, record_label_references): Remove.
3877 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
3879 (goto_block_pat, print_blocks, dump_stack_info): Remove.
3880 (reg_to_stack): Simplified test for existance of fp code. Use
3881 flow.c code. Call shorten_branches after cross-jump opt.
3882 (check_asm_stack_operands): Renamed from record_asm_reg_life.
3883 Return false if the asm doesn't use stack regs. Don't do life
3884 analysis on the asm.
3885 (emit_pop_insn): Replace function pointer arg `when' with
3886 enum `where'. Update all callers.
3887 (change_stack): Likewise. Update basic block end.
3888 (emit_swap_insn): Use current_block->head to limit reverse search
3889 for start of block. Use emit_block_insn_after.
3890 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
3891 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
3892 structure assignment instead of bcopy.
3894 (convert_regs_entry, convert_regs_exit): New.
3895 (convert_regs_1, convert_regs_2): Split out from convert_regs.
3896 Work on basic blocks and the CFG.
3897 (convert_regs): Use them.
3899 * i386.c (output_fix_trunc): Remove code for DImode input operand
3900 not at top-of-stack.
3901 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
3903 (fix_truncdi_1): Allow any mode scratch.
3905 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
3907 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
3908 * linux.h, netbsd.h, vms.h: Not here.
3910 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
3912 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
3913 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
3914 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
3915 CONDITIONAL_REGISTER_USEAGE): Use them.
3916 * config/mips/mips.c (mips_move_1word,mips_move_2words,
3917 gen_conditional_branch,override_options) : Use them.
3918 * config/mips/mips.md : Use them.
3920 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
3922 * i386.md (zero_extendqihi2): Use SImode register name with andl.
3924 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
3926 * integrate.c (function_cannot_inline_p): Don't allow inlining
3929 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * c-parse.in (cast_expr): Constify.
3933 * cccp.c (special_symbol): Likewise.
3935 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
3937 * dwarf2out.c (base_type_die): Likewise.
3939 * global.c (allocno_compare): Likewise.
3941 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
3943 * regclass.c (fix_register): Likewise.
3945 * rtl.h (fix_register): Likewise.
3947 * stupid.c (stupid_reg_compare): Likewise.
3949 * toplev.c (decode_f_option): Likewise.
3951 * tree.c (build_complex_type): Likewise.
3953 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
3955 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
3957 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3959 * reload.c (find_reloads): Compute mode and nregs fields of all
3961 * reload1.c (calculate_needs_all_insns): Simplify a bit.
3962 (calculate_needs): Use precomputed mode/nregs values.
3963 (allocate_reload_reg): Likewise.
3965 (failed_reload, set_reload_reg): ... new functions.
3966 (choose_reload_regs_init): New function, mostly broken out from...
3967 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
3968 Also lose one #if 0 block.
3970 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
3972 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
3975 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
3977 * tree.h (BLOCK_TYPE_TAGS): Remove.
3978 (BLOCK_END_NOTE): Likewise.
3979 (BLOCK_LIVE_RANGE_FLAG): Likewise.
3980 (BLOCK_LIVE_RANGE_START): Likewise.
3981 (BLOCK_LIVE_RANGE_END): Likewise.
3982 (tree_block): Remove live_range_flag, live_range_var_flag, and
3983 type_tags. Remove end_note, live_range_start, and live_range_end.
3984 (remember_end_note): Remove prototype.
3985 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
3986 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
3988 * ggc-common.c (ggc_mark_tree_children): Don't mark
3989 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
3990 * integrate.c (adjust_copied_decl_tree): Remove.
3991 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
3992 * stmt.c (last_block_end_note): Remove.
3993 (init_stmt): Don't add a GC root for it.
3994 (expand_fixup): Don't set it.
3995 (remember_end_note): Remove.
3996 (expand_end_bindings): Don't set last_block_end_note.
3998 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4000 * reload1.c (reload_reg_free_for_value_p): Show
4001 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
4004 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
4006 * expmed.c (extract_bit_field): Allow for the case of non-integer
4007 objects that are smaller than a word (like SFmode on a 64-bit
4010 * loop.c (basic_induction_var): A non-integer variable which is
4011 being set by a paradoxical subreg is probably not a biv.
4013 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4015 * prefix.c (translate_name) Check for empty prefix string.
4017 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
4019 * Makefile.in (CPP_CROSS_NAME): New variable.
4020 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
4022 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
4023 names of the files to be uninstalled.
4025 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
4027 * collect2.c (IS_DIR_SEPARATOR): Define.
4028 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
4030 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
4033 * haifa-sched.c (add_dependence): Update the true dependency
4034 cache the first time we add a true dependence to the LOG_LINKS chain.
4036 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
4038 * fold-const.c (fold): Fix comment.
4040 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4042 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
4043 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
4044 dbxout_start_new_source_file, dbxout_source_file,
4045 dbxout_source_line, dbxout_finish, dbxout_type_fields,
4046 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
4048 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
4049 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
4050 (dbxout_block): Initialize variable `blocknum'.
4052 * dbxout.h (dbxout_init, dbxout_finish,
4053 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
4054 dbxout_args, dbxout_source_line): Constify a char*.
4056 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
4057 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
4058 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
4059 low_pc_attribute, high_pc_attribute, body_begin_attribute,
4060 body_end_attribute, comp_dir_attribute, sf_names_attribute,
4061 src_info_attribute, mac_info_attribute, producer_attribute,
4062 lookup_filename, generate_macinfo_entry, fundamental_type_code,
4063 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
4064 dwarfout_undef): Constify a char*.
4065 (add_incomplete_type, retry_incomplete_types): Add prototypes.
4067 * dwarfout.h (dwarfout_define, dwarfout_undef,
4068 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
4070 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
4072 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
4073 (MULTILIB_ISA_DEFAULT): New.
4074 (MULTILIB_DEFAULTS): Use it.
4075 * config/mips/mips.c (): Remove the now unnecessary definition
4076 of MIPS_ISA_DEFAULT.
4077 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
4078 unnecessary definition.
4080 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
4082 * arm.md (pic_load_addr): Add constraints to operand 1.
4084 1999-10-25 Bruce Korb <autogen@linuxbox.com>
4086 * fixinc/genfixes: Provide a means for specifying -D options to
4089 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
4091 * arm.c (arm_override_options): Correct initialization of
4092 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
4093 arm_is_strong, and arm_is_6_or_7.
4095 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
4096 (note_set_pseudo_multiple_uses): New function.
4097 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
4098 if a pseudo set in the loop exit is used elsewhere.
4100 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
4102 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
4104 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
4106 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
4107 a single load-address pattern.
4109 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
4111 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
4112 depending on whether or not line-number notes are present.
4114 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4116 * cccp.c (progname, file_buf, default_include, include_file,
4117 macrodef, definition, hashval, wchar_type, user_label_prefix,
4118 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
4119 expand_to_temp_buffer, is_system_include, base_name,
4120 absolute_filename, read_name_map, open_include_file,
4121 record_control_macro, check_precompiled, check_preconditions,
4122 pcfinclude, pass_thru_directive, create_definition,
4123 check_macro_name, comp_def_part, collect_expansion,
4124 check_assertion, read_token_list, assertion_install,
4125 assertion_lookup, eval_if_expression, conditional_skip,
4126 validate_else, skip_quoted_string, quote_string, macarg1,
4127 error_from_errno, install, lookup, hashf, dump_defn_1,
4128 perror_with_name, pfatal_with_name, main, trigraph_pcp,
4129 check_white_space, rescan, handle_directive, monthnames,
4130 special_symbol, do_include, remap_include_file, write_output,
4131 arglist, do_assert, do_unassert, do_line, do_error, do_once,
4132 do_ident, do_sccs, do_xifdef, skip_if_group,
4133 output_line_directive, macroexpand, macarg, change_newlines,
4134 initialize_builtins, make_definition): Constify a char*.
4136 * pcp.h (stringdef): Likewise.
4138 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
4140 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
4143 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
4144 Richard Henderson <rth@cygnus.com>
4146 * alias.c: Include ggc.h.
4147 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
4148 (record_set): Verify enough room in reg_base_value.
4149 (init_alias_analysis): Allocate reg_base_value with xcalloc.
4150 Register it as a GC root.
4151 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
4152 * Makefile.in (alias.o): Depend on ggc.h.
4154 * unroll.c (unroll_loop): Verify the insn before a barrier
4155 is a JUMP_INSN before checking JUMP_LABEL.
4157 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4159 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
4160 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
4161 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
4162 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
4163 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
4164 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
4166 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4168 * output.h (ctors_section, dtors_section, bss_section): Prototype.
4170 * alpha/alpha-interix.h (text_section): Delete prototype.
4171 * alpha/elf.h (text_section): Likewise.
4172 * arm/linux-elf.h (text_section): Likewise.
4173 * arm/linux-telf.h (text_section): Likewise.
4174 * c4x/c4x.h (text_section): Likewise.
4175 * dsp16xx/dsp16xx.h (bss_section): Likewise.
4176 * elfos.h (text_section): Likewise.
4177 * i386/aix386ng.h (text_section): Likewise.
4178 * i386/i386-interix.h (text_section): Likewise.
4179 * i386/sco5.h (text_section): Likewise.
4180 * i386/svr3gas.h (text_section): Likewise.
4181 * nextstep.h (text_section): Likewise.
4182 * psos.h (text_section): Likewise.
4183 * ptx4.h (text_section): Likewise.
4184 * svr3.h (text_section): Likewise.
4185 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
4187 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4189 * final.c (peephole): Delete prototype.
4191 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
4192 (pre_insert_copies): Remove unused variable `bb'.
4194 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
4197 * output.h (peephole): Add prototype.
4199 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
4201 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
4204 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
4206 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
4207 for inlined declarations.
4209 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
4211 * arm.c (logical_binary_operator): New fucntion.
4212 * arm.h (logical_binary_operator): Declare it.
4213 (PREDICATE_CODES): Handle logical_binary_operator.
4214 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
4215 output constraints. Add appropriate splitters.
4216 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
4217 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
4218 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
4220 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4222 * genoutput.c (struct operand_data): New elt eliminable.
4223 (output_operand_data): Write it.
4224 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
4225 (compare_operands): Take it into account.
4226 * recog.h (struct insn_operand_data): New elt eliminable.
4227 * reload1.c (check_eliminable_occurrences, elimination_effects): New
4229 (old_asm_operands_vec, new_asm_operands_vec): Delete.
4230 (eliminate_regs): Move code that detects changes to elimination
4231 target regs into new function elimination_effects.
4232 Delete one #if 0 block.
4233 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
4234 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
4235 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
4236 Only call eliminate_regs for real operands of the insn, not for parts
4237 of its structure or parts matched by things like match_operator.
4238 Use elimination_effects and check_eliminable_occurrences. Use
4239 copy_insn to duplicate the pattern when not in the final pass.
4241 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
4243 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
4246 1999-10-22 Bruce Korb <autogen@linuxbox.com>
4248 * fixinc/README: document the "mach" machine matching test
4249 * fixinc/fixfixes.c: Implement the #else/#endif label fix
4250 * fixinc/fixtests.c: Implement the #else/#endif label test
4251 * fixinc/inclhack.def: utilize these tests and fixes
4252 * fixinc/inclhack.sh: regen
4253 * fixinc/fixincl.x: regen
4254 * fixinc/fixincl.sh: regen
4256 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
4258 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
4261 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
4263 * gcc.1: Document exit codes.
4265 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4267 * calls.c: Include tm_p.h later, so everything we need is defined.
4269 * function.c: Likewise.
4271 * except.c: Include tm_p.h.
4273 * sparc.c: Likewise.
4274 (dwarf2out_cfi_label): Don't prototype.
4275 (check_return_regs, epilogue_renumber,
4276 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4277 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
4278 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
4279 ultra_schedule_insn): Add static prototype.
4280 (data_segment_operand, text_segment_operand): Call itself with the
4281 proper number of arguments.
4282 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
4284 * sparc.h: Move all declarations to sparc-protos.h.
4285 (SELECT_RTX_SECTION): Pass a missing MODE argument to
4288 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
4290 * config/svr4.h (text_section, ctors_section, dtors_section): Add
4292 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
4293 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4294 ASM_OUTPUT_ASCII): Constify a char*.
4296 * sparc-protos.h: New file for sparc prototypes.
4298 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4300 * function.c (record_insns, contains): Always declare and define.
4301 (record_insns): Mark with ATTRIBUTE_UNUSED.
4303 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4305 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
4306 to .section when outputting a .bss section to deal with multiple
4307 .bss input sections (as happens with -fdata-sections)
4308 Also output %progbits, not @progbits so the assembler doesn't treat as
4310 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
4312 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
4313 thumb parts even when building with non-thumb CPUs, by forcing
4316 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
4318 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
4319 (movdf_const_intreg_sp64): Similarly.
4321 * local-alloc.c (update_equiv_regs): Check the correct insn
4322 for pre-existing REG_EQUIV notes.
4324 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
4326 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
4327 block reached by a branch if we're not going to actually process
4330 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
4332 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
4333 a local extern function declaration.
4335 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
4337 * i386.c (ix86_expand_prologue): Properly wrap USE around
4338 reg for CALL_INSN_FUNCTION_USAGE.
4340 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
4342 * config/mips/mips.md (movdf_internal1a): Allow floating-point
4343 move between GP_REGs.
4345 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
4347 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
4348 the mode size when finding out if an offset is legal.
4350 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
4352 * basic-block.h (PROP_*): Move constants from ...
4354 (compute_bb_for_insn): Free the array before reallocating.
4355 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
4356 (allocate_reg_life_data): Reset all reg variables collected by
4358 (get_block_head_tail): Don't convert from bb to block.
4359 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
4360 (find_insn_reg_weight): Take block not bb.
4361 (schedule_block): Don't set block num for moved insns.
4362 (schedule_region): Don't update_life_info or find_insn_reg_weight.
4363 (schedule_insns): Do it here instead.
4364 * combine.c (combine_instructions): Invoke compute_bb_for_insn
4365 before update_life_info.
4366 * recog.c (split_all_insns, peephole2_optimize): Update for
4367 new arg to update_life_info.
4368 * rtlanal.c (remove_note): Cope with NULL note.
4369 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
4372 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
4374 * jump.c (jump_optimize_1): More accurately detect casesi insns.
4376 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
4377 block records so that merge_blocks_nomove will clean up correctly.
4378 (split_edge): Handle casesi insns.
4380 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
4382 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
4384 * pa.md (call, call_value): Do not emit a blockage after restoring
4387 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
4389 * c-typeck.c (c_expand_asm_operands): Fix typo.
4391 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4393 * arm.c (fpu_rhs_operand): Verify modes.
4394 (fpu_add_operand): Likewise.
4395 (di_operand): Likewise.
4396 (soft_df_operand): Likewise.
4398 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
4400 * arm.c (arm_return_in_memory): APCS rules state that the elements
4401 of a structure returned in a register must be 'integer-like'.
4403 1999-10-19 Bruce Korb <autogen@linuxbox.com>
4405 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
4406 in the source tree when the generated targets are out of date
4407 * fixinc/genfixes: Alter it to run individual fixes for make.
4408 * fixinc/README: rewrite
4409 * fixinc/inclhack.def: moved initial comments to README
4411 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
4413 * toplev.c (main): Do not generate an error message if an
4414 unrecognised command line switch is recognisable by another
4415 language. If extra_warnings are enabled, then generate a
4416 warning message instead.
4418 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
4420 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
4421 (insert_pack_attributes): Delete prototype.
4423 * c-pragma.c (default_alignment): New static variable.
4424 (push_alignment): Initialize to current effective alignment.
4425 (pop_alignment): Use to set new alignment.
4426 (insert_pack_attributes): Delete function.
4427 (handle_pragma_token): Set default_alignment as well each time
4428 a #pragma pack(<n>) is encountered.
4430 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
4432 * reg-stack.c (stack_result): Aggregates are not returned in
4435 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
4437 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
4439 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
4441 * basic-block.h (set_block_num): Declare.
4442 * flow.c (update_life_info): Don't call compute_bb_for_insn
4443 or free_basic_block_vars.
4444 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
4445 (insn_orig_block): Remove.
4446 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
4447 (schedule_block): Keep BLOCK_NUM up-to-date.
4448 (schedule_insns): Use compute_bb_for_insn.
4449 * recog.c (split_all_insns): Likewise.
4450 (peephole2_optimize): Likewise.
4452 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
4454 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
4455 if the pic register is used.
4457 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4459 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
4460 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
4461 if that tests TREE_PERMANENT.
4463 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
4465 * cse.c (invalidate_for_call): Do not remove memory references from
4466 the table here. It's handled elsewhere.
4468 * haifa-sched.c (add_dependence): Protect references to the
4469 true dependency cache with #ifdef INSN_SCHEDULING.
4470 (remove_dependence): Similarly.
4472 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
4473 to the cfg code that this is a return instruction.
4474 * mn10300.md (return_internal): Similarly.
4476 * combine.c (get_last_value): If the last set of a register
4477 is after subst_low_cuid, then we can not use it to determine
4478 the register's last value.
4480 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4482 * Makefile.in: Back out previous change.
4484 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
4486 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
4488 * haifa-sched.c (add_dependence): Only check/update the cache
4490 (remove_dependence): Likewise.
4491 (schedule_insns): Only create the true_dependency_cache if the
4492 average number of instructions in a basic block is very large.
4494 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4496 * Makefile.in (ggc-common.o): Depend on genrtl.h.
4497 (ggc-simple.o): Likewise.
4498 (ggc-page.o): Likewise.
4500 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
4502 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
4503 Prototype for exported functions.
4504 (pre_lcm, pre_rev_lcm): Remove prototypes.
4505 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
4506 (compute_available): Move to lcm.c, and change parameter order.
4507 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
4508 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
4509 (gcse_main): No longer call compute_preds_succs. Rebuild the
4510 set table after reach pre pass.
4511 (pre_insert_map, pre_delete_map, edge_list): New.
4512 (alloc_pre_mem): Allocate edge vectors.
4513 (free_pre_mem): Delete edge vectors.
4514 (compute_pre_data): Call new edge based lcm routines.
4515 (process_insert_insn): New function.
4516 (insert_insn_end_bb): Use it.
4517 (pre_edge_insert): New function.
4518 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
4520 (pre_insert_copies): Revamp using new edge based lcm outputs.
4521 (pre_delete): Likewise.
4522 (one_pre_gcse_pass): Insert & remove fake edges to the exit
4524 (compute_code_hoist_vbeinout): New new edge based routines.
4525 * lcm.c: Remove all the old LCM functions. Replace with new ones
4526 that work with the new cfg datastructures and work with edges
4529 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4531 * reload.h (struct reload): Add new fields "mode" and "nregs".
4532 * reload1.c: Change all occurrences of reload_mode and reload_nregs
4533 to reference the "mode" and "nregs" field within struct reload.
4535 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
4537 * haifa-sched.c (true_dependency_cache): New.
4538 (add_dependence): Use the true dependency cache to avoid expensive
4539 walks down the LOG_LINKS dependency list. Add entries to the
4541 (remove_dependence): Remove entries from the true dependency cache
4543 (schedule_insns): Allocate and initialize and free the true
4546 * haifa-sched.c (schedule_insns): Do not remove inter-block
4547 dependencies anymore.
4549 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
4551 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
4552 * i386/t-winnt: Likewise.
4554 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
4556 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
4558 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
4560 * Makefile.in (LANGUAGES): Omit "proto".
4561 (clean): Remove stale comment about removing unprotoize.c.
4563 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4565 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
4566 using arithmetic on void pointers.
4568 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
4570 * haifa-sched.c (compute_block_forward_dependencies): Only check
4571 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
4573 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
4575 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
4576 (expr_equiv_p): Reject memories with different alias sets.
4578 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
4580 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
4581 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
4582 (f_options): Add "bounded-pointers" and "bounds-check" entries.
4583 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
4584 (lang_init): Set default for flag_bounds_check if still "unspecified".
4586 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4588 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
4590 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4592 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
4595 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4597 * config/c4x/c4x.md (*db_noclobber,
4598 *decrement_and_branch_until_zero_noclobber): New patterns and
4599 associated splitters.
4601 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4603 * config/c4x/c4x.md (parallel instruction patterns): Rework
4604 constraints to keep reload happy.
4606 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4608 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
4609 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
4610 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
4611 Add new patterns and associated post-reload splitters.
4613 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4615 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
4617 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4619 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
4621 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
4623 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4625 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
4628 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
4630 * pa.c (move_operand): Rely on memory_address_p to determine the
4631 validity of non-indexed memory addresses.
4632 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
4633 operand in DFmode and SFmode when generating PA2.0 code.
4635 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
4637 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
4639 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
4641 * mips.c (function_prologue): Fix argument types.
4642 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
4643 (casesi_internal): Write to the scratch register.
4645 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
4647 * cppexp.c (cpp_parse_escape): Make static. Change second arg
4649 (parse_charconst): Delete unnecessary cast when calling
4651 (cpplib.h): Kill prototype of cpp_parse_escape.
4653 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
4655 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
4656 * unroll.c (unroll_loop): Cast return value of alloca.
4657 * i370/i370.c: Include function.h and toplev.h.
4658 (i370_label_scan): Remove c++ commented abort.
4659 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
4660 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
4661 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
4662 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
4664 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
4666 * config/t-freebsd: Do not override USER_H.
4667 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
4669 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
4670 Mumit Khan <khan@xraylith.wisc.edu>
4672 * c-parse.in (component_decl): Support anonymous struct/union.
4674 * c-parse.y: Regenerate.
4675 * c-parse.c: Likewise.
4676 * objc/objc-parse.y: Likewise.
4677 * objc/objc-parse.c: Likewise.
4678 * c-decl.c (finish_struct): Don't sort the fields.
4679 (field_decl_cmp): Delete unused function.
4681 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
4683 * sparc.md (movsf_const_intreg): Revert last constraint change.
4684 (movdf_const_intreg_sp32): Likewise.
4686 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
4688 * cse.c: Include hashtab.h instead of splay-tree.h
4689 (struct cse_reg_info): No longer use variant union. Add new
4690 field "regno". All references changed to avoid union.
4691 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
4692 (free_cse_reg_info): Remove.
4693 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
4694 (get_cse_reg_info): Revamp to use expandable hash tables instead
4695 of splay trees. Initialize new fields in cse_reg_info structure.
4696 (new_basic_block): Similarly.
4698 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
4700 * genrecog.c (message_with_line): Prototype.
4701 (validate_pattern): Pass along the set for the dest, not a flag.
4702 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
4703 Check for PC/CC0 as sources.
4704 (nodes_identical): Check for children position match before
4705 allowing the combination.
4707 * rtl.c (read_rtx): Track line number across \\\n.
4709 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
4711 * mips.h (SPECIAL_MODE_PREDICATES): New.
4712 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
4713 (movdi+1, movsi+1): Add output reload constraint.
4714 (casesi_internal): Likewise. Fix commentary.
4715 (return_internal): Use pmode_register_operand.
4717 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
4719 * 1750a.md (movstrqi): Add missing output reload constraint.
4720 (call_value): Likewise.
4721 * a29k.md (cpxxx patterns): Add missing match_operator mode.
4722 (jmpfdec): Add missing inout reload constraint.
4723 * elxsi.md (addsi patterns): Add missing output reload constraint.
4724 (move from sp): Use @ alternates.
4725 (call_value): No constraint on output.
4726 * fr30.md (movsi_pop): Add missing output reload constraint.
4727 (movsf_constant_store): Likewise.
4728 (splits): Remove constraints.
4729 (subsi3): Add missing mode.
4730 * i370.md (cmpstrsi+1): Add missing output reload constraint.
4731 (call_value): Likewise.
4732 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
4733 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
4734 * m32r.md (movsicc_internal): Add output reload constraint.
4735 (movstrsi_internal): Add inout reload constraints.
4736 * m88k.h (reg_names): Don't declare.
4737 (SPECIAL_MODE_PREDICATES): New.
4738 * m88k.md (*): Use register_operand not reg_or_0_operand
4740 * mn10200.h (PREDICATE_CODES): New.
4741 * ns32k.md (ffs pattern): Add output reload constraint.
4742 * pdp11.md (sob pattern): Add inout reload constraint.
4743 * sh.md (splits): Remove constraints.
4744 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
4745 * v850.md (pattern_is_ok_for_epilogue): Likewise.
4746 * vax.md (jgequ pattern): Add inout reload constraint.
4748 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
4750 * configure.in (djgpp): Revert previous patch.
4751 * configure: Rebuit.
4752 * config/i386/djgpp.h: Revert previous patch.
4754 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
4756 * fixinc/inclhack.def: Restore patch lost during last merge of
4757 "no_bogosity" branch.
4758 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
4760 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
4762 * fixincludes: Add a HPUX 11 fix for inttypes.h.
4763 * fixinc/inclhack.def: Same.
4764 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
4766 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
4768 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
4769 as the base of a PLUS.
4771 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4773 * config/c4x/c4x.md: Define mode for remaining unspec operators.
4774 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
4776 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
4778 * pa.md (post_stw+1): Use pmode_register_operand.
4779 (dcacheflush, icacheflush): Likewise.
4781 * i386.md (movstricthi_1): Allow r/r.
4783 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
4785 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
4786 to (not (and (arg0) (arg1))). Similary for and.
4788 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
4789 fallthrough to associate code.
4790 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
4793 * combine.c (simplify_logical): Convert XOR to IOR if operands have
4794 no bits in common; remove XOR to ROTATE conversion.
4796 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4798 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
4800 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4802 * config/c4x/c4x.c (dst_operand): New.
4803 (PREDICATE_CODES): Update.
4804 * config/c4x/c4x.h (dst_operand): Declare it.
4805 * config/c4x/c4x.md: Define mode for each unspec usage.
4806 (move patterns): Use dst_operand predicate instead of src_operand.
4807 (movqi_update, movqf_update): Delete.
4809 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
4811 * recog.c (pmode_register_operand): New.
4812 * recog.h: Declare it.
4813 * genrecog.c (pred_codes): Likewise.
4814 (special_mode_pred_table): Likewise.
4815 (validate_pattern): Don't warn no mode for address_operand.
4817 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
4818 if the operand is not insn-like.
4820 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
4821 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
4823 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
4825 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
4827 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
4828 instead of general_operand in a SET_DEST. Use const_double_operand
4829 instead of an explicit test against CONST_DOUBLE.
4830 (movsf_const_lo): Add missing register mode.
4831 (goto_handler_and_restore): Add auxiliary test for Pmode.
4832 (flush): Adjust to use address_operand.
4833 (return_sf_no_fpu): Add missing output constraint.
4835 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
4837 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
4838 for call return value.
4839 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
4841 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
4843 * toplev.c (main): Only warn about options for other languages.
4844 * collect2.c (main): Pass -w to sub-gcc.
4846 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
4848 * flow.c (propagate_block): Add call-clobbered registers to
4851 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
4852 zapping mem_set_list.
4853 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
4854 (mark_set_1, mark_used_regs): Likewise.
4856 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
4858 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
4860 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4862 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
4863 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
4864 options. Also add a new item "C-only Warning Options" to the
4867 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
4869 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
4870 from multiple calls.
4872 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
4874 * i386.md (call value patterns): Move to the end of the file.
4875 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
4877 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
4879 * configure.in (djgpp configuration): Define extra_objects..
4880 * configure: Rebuilt.
4881 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
4882 (DTORS_SECTION_ASM_OP): Define.
4883 (INIT_SECTION_ASM_OP): Define.
4884 (FINI_SECTION_ASM_OP): Define.
4885 (DATA_SECTION_ASM_OP): Define.
4886 (TEXT_SECTION_ASM_OP): Define.
4887 (EH_FRAME_SECTION_ASM_OP): Define.
4888 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
4889 (STARTFILE_SPEC): Add crtbegin.o.
4890 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
4891 to here from LINK_COMMAND_SPEC.
4892 (DO_GLOBAL_CTORS_BODY): Define.
4893 (CRTSTUFF_USE_FINI_SECTION): Define
4894 (HAS_INIT_SECTION): Delete.
4896 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
4898 * Makefile.in (all.cross): Depend on xcpp$(exeext).
4900 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
4902 * pa.h (PREDICATE_CODES): New.
4904 * genrecog.c (validate_pattern): Condense the destination
4907 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
4909 * alpha.md (call-1): Supply missing mode for operator.
4910 (*): Add missing output reload constraints. Remove constraints
4913 * i386.h (SPECIAL_MODE_PREDICATES): New.
4914 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
4915 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
4916 (addsi_lea_3): Add missing mode for op 3.
4917 (prologue_set_got, prologue_get_pc): Add missing modes.
4918 (*) Add missing output reload constraints.
4920 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
4922 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
4923 check for member bit-size overflow and use var_size if it occurs.
4924 (layout_record): Use bitsize_int() to define the type size in bits.
4925 Likewise for computation and assignment to DECL_FIELD_BITPOS.
4926 (layout_decl): Likewise when assigning to DECL_SIZE.
4928 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
4930 * genrecog.c (validate_pattern): Typo last change. Verify
4931 that output operands have output reloads.
4933 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
4935 * genrecog.c (special_mode_pred_table): New.
4936 (NUM_SPECIAL_MODE_PREDS): New.
4937 (find_operand): New.
4938 (validate_pattern): New argument `insn'. Warn for assignment to
4939 any predicate accepting non-lvalues. Conditionaly warn for
4940 match_operand without a mode. Try much harder to match source
4941 and destination modes on a set.
4942 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
4944 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
4946 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
4948 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
4950 * combine.c (simplify_logical): Recognize xor pattern that encodes
4953 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4955 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
4958 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
4960 * ggc-page.c (MAP_FAILED): Provide default.
4962 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
4964 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
4965 * sparc.h (PREDICATE_CODES): Update.
4967 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
4969 * alpha.c (some_ni_operand): New.
4970 * alpha-protos.h: Declare it.
4971 * alpha.h (PREDICATE_CODES): Update.
4972 * alpha.md (sXaddq reload insns): Use some_ni_operand
4973 for SET_DEST instead of some_operand.
4975 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
4976 Jim Wilson <wilson@cygnus.com>
4978 * genrecog.c (maybe_both_true_2): Don't compare modes of
4980 (process_tree): Elide peephole2_insns. Invoke simplify_tests
4981 after find_afterward.
4982 (debug_decision_1): Dump next and afterward codes.
4984 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
4986 * rtl.c (dump_and_abort): Remove.
4987 (fatal_with_file_and_line): New.
4988 (fatal_expected_char): New.
4989 (read_rtx_lineno, read_rtx_filename): New.
4990 (read_skip_spaces): Track line number.
4991 (read_name): Use fatal_with_file_and_line.
4992 (read_rtx): Use fatal_expected_char. Track line number.
4993 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
4995 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
4996 if it isn't a CODE_LABEL.
4998 * genattr.c (main): Set read_rtx_filename.
4999 * genattrtab.c (main): Likewise.
5000 * gencodes.c (main): Likewise.
5001 * genconfig.c (main): Likewise.
5002 * genemit.c (main): Likewise.
5003 * genextract.c (main): Likewise.
5004 * genflags.c (main): Likewise.
5005 * genopinit.c (main): Likewise.
5006 * genoutput.c (main): Likewise.
5007 * genpeep.c (main): Likewise.
5009 * genrecog.c (decision_test.u.insn): Add `lineno'.
5010 (pattern_lineno, error_count): New variables.
5011 (message_with_line): New.
5012 (add_to_sequence): Break out checking code to ...
5013 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
5014 (merge_insn): Use message_with_line.
5015 (make_insn_sequence): Use validate_pattern. Record insn lineno.
5016 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
5018 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5020 * expr.c (store_constructor): Clear union if constructor is empty.
5022 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
5024 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
5025 Add !endian checks. Change %{...} to %(...).
5027 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
5029 * i386.md (*addsi3_cc): Renamed from addcsi3.
5030 (*addsi3_carry): Renamed from addxsi3.
5031 (*subsi3_cc): Renamed from subcsi3.
5032 (*subsi3_carry): Renamed from subxsi3.
5033 (*xorqi_cc_1): Renamed from xorcqi_1.
5034 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
5035 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
5037 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
5039 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
5040 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
5042 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
5044 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
5045 climb up the chain of insns.
5047 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
5049 * genrecog.c (write_subroutine): Careful for null trees.
5050 (process_tree): Don't elide empty functions.
5052 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
5054 * Makefile.in (genrtl.o): Depend on ggc.h.
5055 * configure.in (valloc): Probe for it.
5056 (with-gc): Use ggc-page if valloc present.
5057 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
5058 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
5059 (ggc_alloc_string): Moved from ggc-page.c.
5060 * ggc-none.c (ggc_alloc_obj): New.
5061 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
5062 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
5063 (struct globals): Likewise for dev_zero_fd.
5064 (init_ggc): Likewise for it's initialization.
5065 (ggc_allocated_p): Move careful dereference from ...
5066 (ggc_lookup_page_table): ... here. Delete.
5067 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
5068 (alloc_anon): Use valloc if no mmap.
5069 (release_pages): Use free if using valloc.
5070 (ggc_alloc_obj): Renamed from alloc_obj.
5071 (ggc_set_mark): Renamed from mark_obj.
5072 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
5073 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
5074 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
5075 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
5076 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
5077 (ggc_collect): Use fp printing instead of our own rounding.
5078 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
5079 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
5080 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
5081 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
5082 (struct ggc_string, struct ggc_any): Delete.
5083 (offsetof): Provide default definition.
5084 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
5086 (struct ggc_mem): New, from corpse of ggc_any.
5087 (struct ggc_status): Delete.
5088 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
5089 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
5090 (n_strings_collected, n_anys_collected): Delete.
5091 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
5092 (ggc_alloc_string, ggc_alloc): Delete.
5093 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
5094 (ggc_free_string, ggc_free_any): Delete.
5095 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
5096 (ggc_compare_addresses, ggc_mark_string): Delete.
5097 (ggc_mark_string_if_gcable, ggc_mark): Delete.
5098 (search_data): Delete.
5099 (struct globals): New.
5100 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
5101 (tree_insert, tree_lookup): New.
5102 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
5103 (clear_marks, sweep_objs): New.
5104 (ggc_collect): Gut. Use clear_marks, sweep_objs.
5105 (init_ggc): Set allocated_last_gc.
5106 (ggc_push_context): Gut. Use G.context.
5107 (ggc_pop_context): Likewise.
5108 (ggc_pop_context_1): New.
5109 (debug_ggc_tree): New.
5110 (debug_ggc_balance, tally_leaves): New.
5111 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
5112 (ggc_mark_string_if_gcable): Remove decl.
5113 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
5114 (ggc_mark_rtvec_children): New.
5115 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
5116 (ggc_mark_if_gcable): New decl.
5117 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
5118 (ggc_alloc_tree, ggc_alloc): Likewise.
5119 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
5120 (ggc_alloc_obj): New decl.
5121 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
5122 (ggc_alloc_tree, ggc_alloc): Likewise.
5123 (ggc_set_mark): New decl.
5124 * rtl.h (struct rtx_def): Remove gc_mark.
5125 (struct rtvec_def): Likewise.
5126 * tree.h (struct tree_common): Likewise.
5128 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
5130 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
5131 float_format and thread_file definitions.
5132 * configure: Rebuilt.
5134 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
5136 * extend.texi (Function Names): Document types of function names.
5138 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5140 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
5141 an earlyclobbered output conflict with RELOAD_INPUT reloads.
5143 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5145 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
5147 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5149 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
5151 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
5153 * collect2.c (main): Do prelimnary link on AIX if rflag.
5155 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5157 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
5158 __CTOR_LIST__ in opposite order, which is the correct order for sorted
5160 (__do_global_dtors): similarly for __DTOR_LIST__.
5162 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5163 Diego Novillo <dnovillo@cygnus.com>
5165 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
5168 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
5170 * fixincl/*: Merged "no_bogosity" branch
5171 * fixincl/fixlib.h: protect against doubly defining t_bool
5172 * fixincl/server.h: protect against doubly defining t_bool
5174 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
5176 * genoutput.c: Include toplev.h.
5178 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
5180 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5182 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
5183 * configure: Regenerate.
5185 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
5187 * gcse.c (delete_null_pointer_checks): Returns void.
5189 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5191 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
5192 * emit-rtl.c (copy_insn_1): Likewise.
5194 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5196 * config/mips/mips.c (mips_build_va_list): Correct
5197 TREE_CHAIN setting when hard-float.
5198 (mips_va_start): Use corrected setting.
5199 (mips_va_arg): Likewise. Also pass a tree to build of
5200 POSTINCREMENT_EXPR rather than a naked 'int'.
5202 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
5204 * ggc.h (ggc_push_context): Fix comment.
5205 (ggc_pop_context): Likewise.
5206 (mark_string_if_gcable): Likewise.
5207 * ggc-common.c (ggc_mark_rtx_children): Use
5208 ggc_mark_string_if_gcable.
5209 * ggc-page.c (ggc_lookup_page_table): New function.
5210 (ggc_allocated_p): Likewise.
5211 (mark_obj): Fix formatting.
5212 (ggc_mark_string_if_gcable): New function.
5213 * ggc-simple.c (ggc_allocated_strings): New variable.
5214 (ggc_strings_used): Likewise.
5215 (ggc_compare_addresses): New function.
5216 (ggc_pop_context): Pop the `any' memory too.
5217 (ggc_mark_string_if_gcable): New function.
5218 (ggc_collect): Initialize and tear down ggc_allocated_strings.
5220 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
5222 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
5223 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
5224 * rs6000.c (expand_block_move): Match movstrsi_?reg register
5227 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
5229 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
5230 (sched_reg_live_length, sched_reg_basic_block): Delete.
5231 (current_block_num, bb_live_regs, old_live_regs): Delete.
5232 (dead_notes, struct sometimes): Delete.
5233 (sched_note_set, birthing_insn_p): Delete.
5234 (adjust_priority): Gut useless reg lifetime code.
5235 (create_reg_dead_note, attach_deaths): Delete.
5236 (attach_deaths_insn, new_sometimes_live): Delete.
5237 (finish_sometimes_live): Delete.
5238 (find_pre_sched_live, find_post_sched_live): Delete.
5239 (update_reg_usage): Delete.
5240 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
5241 (schedule_insns): Delete reg lifetime code.
5242 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
5243 (unlink_other_notes): Adjust REG_NOTE commentary.
5244 (reemit_notes): Use REG_SAVE_NOTE.
5245 (schedule_block): Likewise.
5246 (schedule_region): Allocate bitmap of blocks in region. Use
5247 count_or_remove_death_notes. Use update_life_info.
5249 * rtl.h (REG_SAVE_NOTE): New.
5250 * rtl.c (reg_note_name): Update.
5252 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
5254 * combine.c (refresh_blocks, need_refresh): New.
5255 (combine_instructions): Allocate refresh_blocks. Invoke
5256 update_life_info if needed.
5257 (distribute_notes): Mark refresh_blocks instead of installing
5259 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
5260 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
5262 * Makefile.in (recog.o): Depend on basic-block.h.
5264 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
5266 * genrecog.c (add_to_sequence): Thinko last change: delete
5267 shadowing allow_const_int variable.
5269 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5271 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
5272 __GNUC__ and __GNUC_MINOR__.
5274 * gansidecl.h: Likewise.
5280 * toplev.h: Likewise.
5286 * varray.c: Likewise.
5288 * varray.h: Likewise.
5290 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5292 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
5293 use one before a jump table.
5295 * rtl.def (ADDRESS): Change documentation to match reality.
5296 * md.texi: Don't document it.
5297 * gmicro.md (load address pattern): Use 'p' constraint, delete use
5300 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
5302 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
5304 * genrecog.c (add_to_sequence): Move allow_const_int test outside
5305 known predicate block; default allow_const_int true.
5306 (debug_decision_list): New.
5308 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
5310 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
5312 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
5314 * gcse.c (gcse_main): Avoid global optimizations if we have a
5315 large number of basic blocks and the ratio of edges to blocks
5317 (delete_null_pointer_checks): Likewise.
5319 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
5321 * c-common.c (check_format_info): Warn if format string isn't a
5324 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5326 * configure.in (arm*-*-*): Don't let autoconf remove brackets
5327 * configure: regenerate
5329 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
5331 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
5332 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
5333 (peepholes): Re-enable.
5335 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
5337 * Makefile.in (flow.o): Depend on TREE_H.
5338 * basic-block.h (REG_SET_EQUAL_P): New.
5341 (free_regset_vector): Remove declaration.
5342 (flow_delete_insn_chain): Declare.
5343 (enum update_life_extent): New.
5344 (update_life_info, count_or_remove_death_notes): Declare.
5345 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
5346 Verify register live at bb->global_live_at_start before adding USE.
5347 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
5348 (CLEAN_ALLOCA): New.
5350 (PROP_*): New flags.
5351 (find_basic_blocks_1): Use alloc_EXPR_LIST.
5352 (clear_edges): Zero n_edges.
5353 (make_edge): Increment n_edges.
5354 (split_edge): Don't allocate bb->local_set. Increment n_edges.
5355 (flow_delete_insn_chain): Export.
5356 (delete_block): Decrement n_edges.
5357 (merge_blocks_nomove): Likewise.
5358 (life_analysis): Give life_analysis_1 PROP flags.
5359 (verify_wide_reg_1, verify_wide_reg): New.
5360 (verify_local_live_at_start): New.
5361 (update_life_info): Rewrite to call into propogate_block.
5363 (mark_regs_live_at_end): After reload, if epilogue as rtl,
5364 always mark stack pointer. Conditionally mark PIC register.
5365 After reload, mark call-saved registers, return regsiters.
5366 (life_analysis_1): Accept PROP flags not remove_dead_code.
5367 Call mark_regs_live_at_end before zeroing regs_ever_live.
5368 Use calculate_global_regs_live. Copy global_live_at_end before
5369 calling final propagate_block. Zero reg_next_use on exit.
5370 (calculate_global_regs_live): New.
5371 (allocate_bb_life_data): Don't allocate bb->local_set.
5372 (init_regset_vector, free_regset_vector): Remove.
5373 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
5374 Test flags before every operation. Warn if prologue/epilogue insn
5375 would have been deleted.
5376 (mark_set_regs, mark_set_1): Accept and use FLAGS.
5377 Use alloc_EXPR_LIST.
5378 (mark_used_regs): Accept and use FLAGS, not FINAL.
5379 Remove special handling for RETURN.
5380 (try_pre_increment): Use alloc_EXPR_LIST.
5381 (dump_flow_info): Dump n_edges.
5382 (unlink_insn_chain, split_hard_reg_notes): Remove.
5383 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
5384 (find_insn_with_note, new_insn_dead_notes): Remove.
5385 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
5386 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
5387 (replace_insns): Remove.
5388 (count_or_remove_death_notes): New.
5389 (verify_flow_info): Abort on error after all checks.
5390 (remove_edge): Decrement n_edges.
5391 (remove_fake_edges): Tweek format.
5392 * haifa-sched.c (schedule_insns): Use split_all_insns.
5393 * output.h (update_life_info): Remove declaration.
5394 * recog.c (split_all_insns): From the corpse of split_block_insns,
5395 do the whole function block by block. Use update_life_info.
5396 (recog_last_allowed_insn): New.
5397 (recog_next_insn): Mind it.
5398 (peephole2_optimize): Set it. Walk backwards through blocks.
5399 Use update_life_info.
5400 * rtl.h (update_flow_info, replace_insns): Remove declarations.
5401 (split_all_insns): Declare.
5402 * toplev.c (rest_of_compilation): Thread prologue before flow2.
5403 Use split_all_insns.
5405 * i386.md (or -1 peep2s): Disable.
5407 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
5409 * config/mips/mips.md (movstrsi+[123]) : Combine these into
5410 a single pattern. Scrap the 'd' versions as unnecessary.
5412 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
5413 tablejump_mips162,tablejump_internal4): The operands to a
5414 label_ref must be VOIDmode.
5416 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5418 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
5420 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5422 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
5424 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5426 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
5427 cache every function if ggc_p.
5429 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5431 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
5432 instead of copy_rtx. Accept sequences that contain asm statements.
5433 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
5434 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
5435 orig_asm_operands_vector, copy_asm_operands_vector,
5436 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
5438 * rtl.h (copy_insn, copy_insn_1): Declare.
5440 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5442 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
5444 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
5445 arguments to `current_file_function_operand'.
5447 * genrecog.c: Include hard-reg-set.h and resource.h in the
5448 generated output file.
5450 * real.c: Include tm_p.h.
5452 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5454 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
5457 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
5459 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
5460 before the fctiwz insn.
5462 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5463 Mark Mitchell <mark@codesourcery.com>
5465 * tree.c (make_lang_type_fn): New funtion pointer.
5466 (make_lang_type): Call it.
5467 * tree.h (make_lang_type): Declare.
5468 (make_lang_type_fn): Likewise.
5469 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
5471 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
5473 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
5474 make sure that HIGH instructions are copied into BASE_REGS.
5476 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
5478 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
5480 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
5482 * c-decl.c (finish_struct): Use simpler method of
5483 removing elements of a singly-linked list.
5485 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
5487 * alpha.md (peephole2's): Comment out peephole2's that generate
5490 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
5492 * genrecog.c (add_to_sequence): Disable mode check for
5495 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5497 * ggc-simple.c (init_ggc): Set empty_string.
5499 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
5501 * configure.in: Detect mmap. Add --with-gc=foo to select
5502 garbage collector; default to page if mmap available.
5503 * Makefile.in (GGC): Substitute.
5505 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
5507 * c-decl.c (ggc_p): Enable.
5509 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5511 * flow.c (verify_flow_info): Make it extern & unconditionally define.
5513 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
5515 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
5516 string for little-endian-data.
5518 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
5520 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
5521 case somebody tries to compile --enable-checking code with gcc
5524 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
5526 * genrecog.c (add_to_sequence): Verify operand to label_ref is
5529 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
5531 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
5532 * jump.c (jump_optimize_1): Document why.
5534 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5536 * collect2.c (scan_prog_file, scan_libraries): Prototype function
5537 pointers and casts for `int_handler' and `quit_handler'.
5539 * flow.c (verify_flow_info, split_hard_reg_notes,
5540 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
5541 remove_edge, remove_fake_successors): Add static prototypes.
5542 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
5543 (mark_set_1): Initialize variable `regno'.
5544 (unlink_insn_chain): Likewise for variable `curr'.
5545 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
5547 * loop.c (strength_reduce): Initialize variable
5548 `unrolled_insn_copies'.
5549 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
5550 prototypes. Change these functions to take const PTR parameters
5551 to avoid prototype conflict when used as the comparson argument
5553 (check_dbra_loop): Initialize variable `comparison_val'.
5555 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
5556 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
5557 (find_valid_class): Initialize variable `best_class'.
5558 (find_reloads): Call memcpy, not bcopy.
5560 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
5561 (hard_reg_use_compare): Don't needlessly cast away const.
5562 (reload_reg_class_lower): Likewise.
5563 (choose_reload_regs): Initialize variable `regno'.
5565 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
5567 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
5569 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
5571 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
5572 ({,d}discard): Add forward declarations. Declare parameter as
5574 (main_without_main): Explicitly declare return type to be int.
5575 (memcpy): Properly declare.
5577 * libgcc2.c (toplevel): If inhibit_libc is defined and not
5578 building the trampoline support, declare malloc, free, and
5580 (__clear_cache): Mark arguments as potentially unused.
5582 * frame.c (toplevel): If inhibit_libc is defined, declare
5585 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
5587 * flow.c (make_edge): Accept an optional 2D bitmap in which
5588 to cache edge existence. Update all callers.
5589 (make_label_edge, make_eh_edge): Pass through the edge cache.
5590 (make_edges): Provide the cache.
5592 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5594 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
5596 (local_mbtowc): Change the type of variable `i' from int to size_t.
5598 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
5599 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
5601 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
5603 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
5604 after other includes that define the appropriate types. Include
5605 tm_p.h for getting user prototypes.
5606 * ggc-callbacks.c (toplevel): Ditto.
5607 * ggc-none.c (toplevel): Ditto.
5608 * gcc-page.c (toplevel): Ditto.
5609 * ggc-simple.c (toplevel): Ditto.
5611 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
5612 Jonathan Larmour <jlarmour@cygnus.co.uk>
5614 * config/mips/mips.c (mips_move_2words): Split doubles if
5615 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
5617 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
5619 * genrecog.c (struct decision_test): New.
5620 (struct decision): Remove test-related members, sort the rest by size.
5621 (IS_SPLIT): Simplify.
5622 (new_decision, new_decision_test): New.
5623 (add_to_sequence): Use them. No special handling for args of
5625 (maybe_both_true): Renamed from not_both_true; return sense changed.
5626 (maybe_both_true_1, maybe_both_true_2): New. Broken out
5627 of maybe_both_true and adjusted for decision_test.
5628 (position_merit): Remove.
5629 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
5630 (merge_accept_insn): New, broken out of merge_trees.
5631 (merge_trees): Use them. No special case for c_test; no node
5632 splitting; use test type instead of position_merit.
5633 (factor_tests): New.
5634 (simplify_tests): New.
5635 (break_out_subroutines): Don't write code now.
5636 (find_afterward): New.
5637 (write_afterward, write_switch, write_cond): New.
5638 (write_action, is_unconditional): New.
5639 (write_node): New. Use them.
5640 (write_tree_1): Rewrite. Use the new functions above.
5641 (write_tree): Remove afterward processing.
5642 (write_subroutine): Simplify function variant emission.
5643 (write_subroutines): New.
5644 (same_codes, clear_codes): Remove.
5645 (same_modes, clear_modes): Remove.
5646 (write_header): New, broken out of main.
5647 (make_insn_sequence): Use new_decision and new_decision_test.
5648 (process_tree): New, broken out of main.
5649 (main): Adjust for merge_trees interface change.
5650 Don't #define operands in the output file.
5651 (record_insn_name): New, broken out of make_insn_sequence.
5652 (debug_decision_2, debug_decision_1, debug_decision_0): New.
5653 (debug_decision): New.
5655 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
5657 * resource.c (find_free_register): Mark class_str argument const.
5658 * resource.h: Update prototype to match.
5660 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
5661 * i386.md: Give all anonymous insns names.
5663 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
5665 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
5668 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
5670 * toplev.c (dbr_sched_time): Unconditional.
5671 (peephole2_time): New.
5672 (compile_file): Add pass numbers to all of the dump file suffixes.
5673 Dump peephole2_time. Don't dump times for non-applicable passes.
5674 (rest_of_compilation): Add pass numbers to dump file suffixes.
5675 Conditionalize calls to the scheduler.
5676 * invoke.texi: Update.
5678 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
5680 * flow.c (make_edges): Fix insn iteration.
5681 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
5682 (find_basic_blocks_1): Fix spelling mistake.
5684 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
5686 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
5687 always have side-effects. Use memset not bzero.
5688 (make_node): Likewise.
5690 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
5692 * stmt.c (expand_anon_union_decl): When any of the elements of the
5693 union is addressable, so is the entire union.
5695 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
5697 * sbitmap.c (sbitmap_ones): Don't set too many bits.
5699 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
5700 * bitmap.c (bitmap_operation): Return true iff TO changed.
5701 (bitmap_equal_p): New.
5702 (bitmap_bit_p): Tidy arithmetic.
5703 (debug_bitmap_file): Likewise.
5705 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
5707 * toplev.c (rest_of_compilation): Turn on cse_not_expected
5708 before cse2 instead of after.
5710 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
5712 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
5715 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5717 * cppinit.c (is_idchar initializer): Loosen tests to accept
5720 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
5722 * mips.md: Define conditional move patterns for floating point
5723 operands and DI mode conditions.
5725 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
5727 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
5728 always have side-effects.
5730 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
5732 * mn10200.c (asm_file_start): Fix typo.
5734 * cppinit.c (is_idchar initializer): Tighten tests for when
5735 to put the table into initialized memory.
5737 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
5738 not an array of rtunion.
5739 * gcc-page.c (ggc_alloc_rtvec): Similarly.
5740 * gcc-simple (ggc_free_rtvec): Similarly.
5742 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
5745 * mbchar.h: Add missing #endif.
5747 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
5748 (FPBIT, DPBIT): Define.
5750 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5752 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
5754 * profile.c (instrument_arcs, output_gcov_string,
5755 tablejump_entry_p): Add static prototypes.
5756 (output_gcov_string): Constify a char*.
5758 * regmove.c (replacement_quality, fixup_match_2): Add static
5761 * resource.h (reg_dead_p): Add extern prototype.
5763 * rtl.c (trim_filename): Add static prototype.
5765 * scan-decls.c (skip_to_closing_brace): Likewise.
5767 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
5768 (expand_end_case): Initialize variable `range'.
5769 (emit_case_nodes): Remove unused prototype `rtx_fn'.
5771 * varasm.c (asm_emit_uninitialised): Add static prototype.
5772 (asm_emit_uninitialised, assemble_variable): Mark parameter with
5775 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5777 * cpplib.c (if_directive_nameo): Add static prototype.
5779 * cse.c (cse_insn): Remove unused variable `p'.
5781 * except.c (create_rethrow_ref, push_entry,
5782 receive_exception_label, new_eh_region_entry, find_func_region,
5783 clear_function_eh_region, process_nestinfo): Add static prototypes.
5784 (get_reg_for_handler): Hide definition.
5785 (process_nestinfo): Initialize variable `extra_handlers'.
5787 * expr.h (expand_builtin_longjmp): Add extern prototype.
5789 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
5791 * function.c (prepare_function_start): Likewise.
5792 (pop_function_context_from): Mark parameter `context' with
5794 (push_temp_slots_for_block, flush_addressof): Hide definition.
5796 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
5797 solve_program_flow_graph, calculate_branch_probs,
5798 function_summary, main, fancy_abort): Add prototypes.
5800 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
5801 (add_hash): Constify a char*.
5803 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
5804 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
5805 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
5807 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
5809 * lists.c (free_list, zap_lists): Likewise.
5811 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5813 * alias.c (nonlocal_reference_p): Add static prototype.
5815 * bitmap.c (bitmap_element_allocate): Prototype args in function
5818 * builtins.c (stabilize_va_list): Add static prototype.
5819 (expand_builtin_va_arg): Constify a char*.
5821 * c-lex.c (getch, put_back, extend_token_buffer_to,
5822 read_line_number, token_getch, token_put_back): Add static
5825 * c-parse.gperf (hash, is_reserved_word): Likewise.
5827 * cccp.c (is_dir_separator): Likewise.
5829 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5831 * graph.h: New file to prototype functions exported by graph.c.
5833 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
5835 * graph.c: Include graph.h.
5837 * toplev.c: Likewise. Remove redundant prototypes.
5839 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
5841 * invoke.texi: Removed duplicated description for -Q.
5843 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
5845 * extend.texi: Grammar fix in __extension__ text.
5847 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
5849 * md.texi (define_peephole2): New section.
5851 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
5853 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
5854 (mov $-1 to or peepholer): Enable for pentium when optimizing for
5857 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
5859 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
5861 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
5863 * i386.md (ffs expander): Emit Pentium friendly code for
5866 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
5868 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
5872 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5874 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
5876 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
5878 * config/m68k/m68k.c (use_return_insn): Return false if the pic
5881 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5883 * md.texi (No Constraints): Delete section.
5884 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
5885 * final.c (final_scan_insn): We always have register constraints.
5886 * genattrtab.c: Don't include "insn-config.h".
5887 (write_attr_case): We always have register constraints.
5888 * genconfig.c (register_constraint_flag): Delete.
5889 (walk_insn_part): Don't check whether we have register constraints.
5890 (main): Don't write out "#define REGISTER_CONSTRAINTS".
5891 * genoutput.c (have_constraints): Delete.
5892 (main): Don't set it.
5893 (output_operand_data): We always have constraints.
5894 (scan_operands): Likewise.
5895 (compare_operands): Likewise.
5896 * local-alloc.c (block_alloc): We always have constraints.
5897 (requires_inout): Always compile this function.
5898 * recog.c (extract_insn): We always have constraints.
5899 (constrain_operands, reg_fits_class_p): Always compile these
5901 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
5903 (struct insn_operand_data): Likewise.
5904 * regclass.c (regclass): We always have constraints.
5905 (record_reg_classes, copy_cost, record_address_regs,
5906 auto_inc_dec_reg_p): Always compile these functions.
5907 * regmove.c (regmove_optimize): We always have constraints.
5908 * reload.c (find_reloads): Likewise.
5909 * reload1.c (reload): Likewise.
5910 (reload_cse_simplify_operands): Likewise.
5911 * i860.c (output_delay_insn): Likewise.
5913 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
5915 * iris6.h (BUILD_VA_LIST_TYPE): Define.
5917 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5919 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
5920 for the va_list record.
5922 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
5924 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
5927 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
5929 * alias.c: Include insn-flags.h.
5930 * Makefile.in (alias.o): Update.
5932 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
5934 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
5935 to LTU and GEU. Handle more cases using sbb.
5937 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
5939 * i386.md (truncatexfdf splitters): Do not use subreg.
5940 (fop XFmode patterns): Fix mode in operand testing.
5942 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
5944 * jump.c (jump_optimize_1): Amend last change to test only the
5945 form of the operand, not the insn.
5947 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
5948 not register_operand to determine when B may need preloading.
5950 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
5952 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
5953 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
5954 (call-value patterns): Move to end of file.
5955 (*): Remove mode from label_ref in (pc) context.
5956 (movstrqi): Use memory not general_operand for BLKmode operands.
5957 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
5958 to register_operand operands.
5959 (peep2 patterns): Convert from commented-out peephole patterns.
5961 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5963 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
5964 to BUILT_IN_INIT_DWARF_REG_SIZES.
5965 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
5966 Renamed from BUILT_IN_DWARF_REG_SIZE; call
5967 expand_builtin_init_dwarf_reg_sizes.
5968 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
5969 with __builtin_init_dwarf_reg_size_table.
5970 * dwarf2out.c (struct reg_size_range): Delete.
5971 (expand_builtin_init_dwarf_reg_sizes): New function.
5972 (expand_builtin_dwarf_reg_size): Delete.
5973 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
5974 (expand_builtin_dwarf_reg_size): Don't declare.
5975 * libgcc2.c (dwarf_reg_size_table_initialized): New.
5976 (dwarf_reg_size_table): New.
5977 (init_reg_size_table): New function.
5978 (copy_reg): Use dwarf_reg_size_table.
5979 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
5982 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
5984 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
5985 Correctly build argument list to constructor and destructor functions.
5987 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
5989 * c-tree.h (warn_float_equal): Declare.
5990 * c-decl.c (warn_float_equal): Define.
5991 (c_decode_option): Recognize -W[no-]float-equal.
5992 * c-typeck.c (build_binary_op): Conditionally warn
5993 about equality tests of floating point types.
5994 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
5995 * invoke.texi: Add docs for -Wfloat-equal warning.
5997 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
5999 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
6000 generating RTL directly.
6001 * mips.h (INIT_TARGET_OPTABS): Likewise.
6002 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
6004 * expr.h (init_mov_optab): Delete declaration
6006 * h8300.c (WORD_REG_USED): Update to avoid useless register
6007 saves in interrupt functions and functions which never return.
6009 * cse.c (struct set): Delete inner_dest_loc field.
6010 (cse_insn): Remove assignments to inner_dest_loc field.
6012 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
6014 * ggc-page.c: Don't include <unistd.h> etc taken care of
6015 by "system.h". Include <sys/mman.h> afterward.
6017 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
6019 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
6022 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
6024 * xcoffout.c (xcoffout_declare_function): Add documentation.
6025 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
6026 TARGET_64BIT. Compare constant to -1, not bit pattern.
6027 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
6028 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
6031 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
6033 * dwarf2out.c (add_abstract_origin_attribute): Abort if
6035 (gen_inlined_enumeration_type_die): Do not abort if the type has
6036 not been writeen out.
6037 (gen_inlined_structure_type_die): Do not abort if the type has
6038 not been writeen out.
6039 (gen_inlined_union_type_die): Do not abort if the type has
6040 not been writeen out.
6041 (gen_tagged_type_instantiation_die): Do not abort if the type
6042 has not been written out.
6044 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6046 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
6048 * reg-stack.c (straighten_stack): Copy hard reg set with
6051 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
6053 * builtins.c (stabilize_va_list): Stabilize array type va_list
6054 to a pointer type, not the base record type.
6055 (expand_builtin_va_copy): Dereference the pointers explicitly;
6056 use the correct size for the copy.
6058 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
6059 (rs6000_va_arg): Likewise.
6061 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
6063 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
6065 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
6067 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
6069 (DECL_BUILT_IN_CLASS): Adjust accordingly.
6071 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
6073 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
6074 (init_ggc): Use it instead of a constant.
6075 (ggc_collect): Bound allocated_last_gc by it.
6077 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
6079 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
6082 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
6084 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
6085 (mips*-*-openbsd*): Let big endian configuration be a fragment.
6087 * config/mips/openbsd.h: New, OpenBSD little endian target.
6088 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
6089 * config/mips/xm-openbsd.h: New, OpenBSD host.
6091 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
6093 * config/m68k/m68k.c (output_function_prologue,
6094 output_function_epilogue): Use
6095 current_function_uses_pic_offset_table instead of regs_ever_live
6096 to decide whether to save/restore pic register.
6097 (legitimize_pic_address): Don't modify regs_ever_live any more.
6099 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
6101 * function.h (struct function): Add x_dont_save_pending_sizes_p.
6102 * stor-layout.c (variable_size): Don't add sizes to the pending
6103 sizes list if x_dont_save_pending_sizes_p is set.
6105 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
6107 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
6108 for symbolic_operand().
6109 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
6111 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6113 * combine.c (gen_rtx_combine): Add missing call to va_end().
6115 * final.c (asm_fprintf): Likewise.
6117 * genattrtab.c (attr_rtx): Likewise.
6119 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
6121 * cse.c: Update comments.
6122 (cse_insn): When converting a conditional/computed jump into
6123 an unconditional jump, always make sure a BARRIER immediately
6124 follows the converted jump. Do not delete unreachable code.
6125 (cse_basic_block): Do not delete unreachable code.
6126 * toplev.c (rest_of_compilation): Move call to
6127 delete_trivially_dead_insns after the conditional call to
6130 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6132 * collect2.c (make_temp_file): Don't prototype.
6134 * gcc.c (make_temp_file): Likewise.
6136 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
6138 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
6140 * varasm.c (asm_emit_uninitialised): New function: Generate
6141 the assembler statements necessary to declare an uninitialised
6143 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
6145 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
6146 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
6148 (assemble_variable): Use asm_emit_uninitialised to emit an
6149 uninitialised variable.
6151 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
6153 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
6154 constant on a 64 bit host. Patch supplied by Geoffrey Keating
6155 <geoffk@cygnus.com>.
6157 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6159 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
6160 * c-common.h (builtin_function): Don't declare.
6162 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
6164 (pushdecl): Likewise.
6165 (finish_decl): Likewise.
6166 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
6167 int. All callers changed.
6168 Set the builtin's DECL_BUILT_IN_CLASS.
6169 * tree.h (enum built_in_class): New.
6170 (enum built_in_function): Delete NOT_BUILT_IN.
6171 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
6173 (DECL_SET_FUNCTION_CODE): Likewise.
6174 (DECL_BUILT_IN_CLASS): New macro.
6175 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
6176 (struct tree_decl): Split builtin function code field into a
6178 (builtin_function): Declare.
6180 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
6182 * optabs.c (init_traps): Fix typo in last change.
6184 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
6186 * toplev.c (rest_of_decl_compilation): Update comment.
6188 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6190 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
6191 in .sbss if appropriate.
6192 (EXTRA_SECTION_FUNCTIONS): Add sbss.
6193 (SBSS_SECTION_ASM_OP): New macro.
6194 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
6195 (EXTRA_SECTIONS): Add in_sbss.
6196 * config/mips/mips.h: Prototype sbss_section.
6198 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
6200 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
6203 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
6205 * optabs.c (init_traps): Register trap_rtx as a GC root.
6207 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6209 * config/mips/mips.c (function_arg_pass_by_reference): Define
6210 unconditionally, since it's called unconditionally.
6212 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6214 * toplev.c (documented_lang_options): Add -fshort-wchar.
6215 * c-decl.c (c_decode_option): Likewise.
6216 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
6218 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
6219 * gcc.c (default_compilers): If -fshort-wchar,
6220 override __WCHAR_TYPE__.
6221 * tm.texi (C Dialect Options): Add -fshort-wchar.
6223 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
6224 symbol for a variable.
6226 * cpplib.h (CPP_PREPROCESSED): New macro.
6227 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
6228 we're seeing this input for a second time.
6230 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
6232 * emit-rtl.c (init_emit_once): Initialize modes first.
6234 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
6236 * config/i386/i386.c (pic_label_name): Change to char pointer.
6237 (global_offset_table): New variable.
6238 (load_pic_register): Fill global_offset_table if it hasn't
6239 already been done. Allocate pic_label_name dynamically.
6240 * ggc.h (empty_string): New variable.
6241 * ggc-simple.c (empty_string): Likewise.
6242 (init_ggc): Allocate empty_string and add as root.
6243 * stmt.c (digit_strings): New variable.
6244 (init_stmt): Add last_block_end_note as root. Allocate and
6245 initialize digit_strings.
6246 (expand_asm_operands): Use empty_string instead of string
6247 constant. Use digit_strings instead of string constants.
6248 * profile.c (init_arc_profiler): Allocate string with
6249 ggc_alloc_string instead of xmalloc.
6250 (output_func_start_profiler): Likewise.
6251 * c-typeck.c (digest_init): Check if init is error_mark_node.
6253 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
6254 Richard Henderson <rth@cygnus.com>
6256 * ggc-page.c: New file.
6257 * Makefile.in (ggc-page.o): New.
6259 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
6261 * invoke.texi: Document -fdelete-null-pointer-checks
6262 * toplev.c (flag_delete_null_pointer_checks): New.
6263 (f_options): Add entry for -fdelete-null-pointer-checks.
6264 (rest_of_compilation): Conditionalize null pointer check
6265 elimination on flag_delete_null_pointer_checks.
6266 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
6268 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
6270 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
6271 copyright notice and special exception to GPL.
6273 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6275 * abi64.h (mips_function_value): Add prototype arguments.
6277 * mips-protos.h: New file with mips prototypes.
6279 * mips.c: Include "tm_p.h".
6280 (mktemp, lookup_name): Add prototype arguments.
6281 (extern_list, string_constant, mips_fill_delay_slot,
6282 mips_output_external, mips_output_external_libcall,
6283 mips_output_filename, mips_declare_object, function_prologue,
6284 mips_expand_prologue, function_epilogue, mips16_constant,
6285 build_mips16_function_stub, mips_output_conditional_branch):
6287 (mips_va_start): Remove unused variable `u'.
6288 (mips_va_arg): Cast value to unsigned when comparing against one.
6290 (save_restore_insns, mips_expand_prologue): Add missing arg in
6291 call to `large_int'.
6293 * mips.h: Move prototypes to mips-protos.h.
6294 (data_section, memory_address_p, rdata_section,
6295 readonly_data_section, simple_epilogue_p, text_section): Delete
6296 prototypes delcared elsewhere.
6297 (mips_epilogue_delay_slots, print_options): Delete unused decls.
6299 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
6301 * mips.md: Delete extra args in call to `mips_move_2words'.
6303 * xm-iris6.h (alloca): Add prototype argument.
6305 * genpeep.c: Include "tm_p.h" in generated output file.
6307 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6309 * basic-block.h (find_edge_index): Change parameters.
6310 * flow.c (verify_edge_list): Pass basic_block parameters to
6311 find_edge_index instead of integers.
6313 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
6315 * combine.c (simplify_comparison): Use an unsigned shift to adjust
6318 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
6320 * gcc.1: Fix a formatting error.
6322 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6324 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
6325 i786, mn10200, mn10300, pdp11, v850.
6327 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
6329 * libgcc2.c (num_digits): Add prototype with
6330 __attribute__((const)).
6331 (__terminate): Add prototype.
6333 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
6335 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
6337 * alpha/alpha.c (print_operand): Fix type of `code'.
6338 (alpha_output_filename): Constify.
6339 * alpha/alpha.h: Move all function declarations ...
6340 * alpha/alpha-protos.h: ... here. New file.
6341 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
6342 (SECTION_FUNCTION_TEMPLATE): Likewise.
6344 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6346 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
6347 * expr.c (expand_expr): Likewise.
6348 (do_jump): Likewise.
6349 (do_store_flag): Pass ccp_store_flag to can_compare_p.
6350 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
6352 (enum can_compare_purpose): New.
6353 (can_compare_p): Adjust prototype.
6354 (prepare_cmp_insn, prepare_operand): Declare.
6355 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
6356 * optabs.c (cmp_available_p): Deleted.
6357 (expand_abs): Pass ccp_jump to can_compare_p.
6358 (can_compare_p): New arg PURPOSE. Check for combined optabs.
6359 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
6360 Call can_compare_p rather than cmp_available_p.
6361 (prepare_operand): No longer static.
6362 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
6363 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
6364 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
6365 sequence to use emit_cmp_and_jump_insns.
6366 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
6368 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
6370 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
6371 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
6372 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
6373 (plus (reg) (const_int 0))
6374 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
6376 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
6378 * rs6000.c (expand_block_move): DImode loads and stores require
6379 word-aligned displacements. Increment address registers with
6380 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
6382 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
6384 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
6385 is no name for the base type, rather than segfault. If we are
6386 writing out a complex integer type, use DW_ATE_lo_user.
6388 * expr.c (emit_move_insn_1): If we are copying a complex that fits
6389 in one word or less (complex char, complex short, or on 64 bit
6390 systems complex float) to/from a hard register, copy it through
6391 memory instead of dying in gen_{real,imag}part. If we have a
6392 short complex type, prevent inlining since it allocates stack
6395 * tree.c (build_complex_type): If we are writing dwarf2 output,
6396 generate a name for complex integer types.
6398 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6400 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
6401 * flow.c (remove_edge): Remove extra whitespace.
6402 (remove_fake_edges): Fix comment.
6403 (add_noreturn_fake_exit_edges): Use the correct name.
6405 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
6407 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
6408 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
6409 (clean): Depend on INTL_CLEAN.
6410 (maintainer-clean): Adjust.
6412 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6414 * configure.in (AC_PREREQ): Bump to 2.13.
6415 (AC_C_STRINGIZE): Call this instead of using a custom macro.
6417 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
6419 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
6421 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
6423 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
6424 (HAVE_STRINGIZE): Define.
6426 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
6428 * c-parse.in: save and restore warn_pointer_arith on __extension__
6429 along with pedantic.
6430 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
6431 Set the type of extension to itype rather than $<itype>1 kludge.
6432 * extend.texi (Alternate Keywords): Adjust documentation.
6433 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
6435 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
6437 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
6438 most assembler templates.
6440 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
6441 FP loads and stores.
6442 (following_call): Always return zero for the PA8000.
6443 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
6444 FP loads and stores.
6445 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
6447 * pa.h (BRANCH_COST): Define.
6449 * pa.md (return, return_internal): Use bve for PA2.0.
6451 * pa.md (fused multiply): Add variants which reduce height for the
6452 fused multiply, but which still generate 2 insns.
6453 (fnegabs): Similarly.
6455 * pa.md (subsi3): Turn into an expander. Create two anonymous
6456 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
6457 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
6459 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
6461 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
6463 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
6464 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
6466 * regclass.c (init_regs): Add "top_of_stack" as a garbage
6469 * flow.c (record_active_eh_regions): Terminate loop after finding
6470 the last insn in the last basic block.
6472 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6474 * config/c4x/c4x.md: Delete parallel instruction peepholes.
6476 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6478 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
6480 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6482 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
6483 splitting to not use output template.
6485 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6487 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
6488 * config/c4x/c4x.c (c4x_va_start): New function.
6490 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
6492 * genrecog.c (not_both_true): Handle correctly cases when called for
6493 tests with different positions in the insn.
6495 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6497 * machmode.h (HOST_PTR_PRINTF): Move from here ...
6499 * system.h (HOST_PTR_PRINTF): ... to here.
6501 * mips-tfile.c: Don't include machmode.h.
6503 * Makefile.in (MACHMODE_H): New variable. Update to use it.
6504 (mips-tfile.o): Don't depend on machmode.h.
6506 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6508 * haifa-sched.c (sched_analyze): Rename local variable `region' to
6509 avoid conflicts with typedef struct `region' at the top level scope.
6511 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
6513 * basic-block.h (basic_block): Add eh_beg, eh_end.
6514 * flow.c (entry_exit_blocks): Update.
6515 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
6517 (find_basic_blocks_1): Don't record eh_list at each bb. Use
6518 lists.c functions to allocate insn lists.
6519 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
6521 (make_eh_edge): ... here. New.
6522 (move_stray_eh_region_notes): New.
6523 (record_active_eh_regions): New.
6524 (delete_unreachable_blocks): Split out block merging ...
6525 (try_merge_blocks): ... here. New.
6526 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
6527 Dump debugging data.
6528 (merge_blocks_move_successor_nojumps): Likewise.
6529 (merge_blocks): Use eh_beg+eh_end to validate block movement.
6531 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6533 * extend.texi (Bound member functions): Document unbound pmf
6536 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6538 * flow.c (split_edge): Handle insertion on a fallthrough edge which
6539 has the EXIT_BLOCK as a dest.
6541 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6543 * flow.c (remove_edge): New function to remove an edge from the
6545 (remove_fake_successors): New function to remove fake successor edges.
6546 (remove_fake_edges): New function to remove all fake edges from the
6548 (add_fake_exit_edges): New function to add fake edges from all blocks
6549 with no successors to the exit block.
6550 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
6551 prototypes for new functions.
6553 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6555 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
6556 Use Pmode to determine whether to output .dword or .word.
6558 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
6560 * tree.c (built_in_filename): New variable.
6561 (BUILT_IN_FILENAME): New macro.
6562 (init_tree_codes): Allocate built_in_filename.
6563 (make_node): Use built_in_filename instead of string constant.
6565 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
6567 * configure.in: Add fr30 target.
6568 * configure: Regenerate.
6569 * config/fr30: New directory.
6570 * config/fr30/crti.asm: New file.
6571 * config/fr30/fr30.c: New file.
6572 * config/fr30/crtn.asm: New file.
6573 * config/fr30/fr30.h: New file.
6574 * config/fr30/fr30.md: New file.
6575 * config/fr30/lib1funcs.asm: New file.
6576 * config/fr30/t-fr30: New file.
6577 * config/fr30/xm-fr30.h: New file.
6579 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
6581 * flow.c (merge_blocks_move_successor_nojumps): Delete the
6582 BARRIER at the end of the successor, not the BARRIER before
6585 * pa.c (pa_add_gc_roots): Fix thinko in last change.
6587 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
6589 * stmt.c (any_pending_cleanups): Don't crash when
6590 current_function->stmt is unset.
6592 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6594 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
6595 other initializations that may use it for relative offsets.
6597 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6599 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
6600 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
6601 * config/i386/sol2dbg.h: Removed.
6602 * config/i386/sol2gas.h: New file, to enable gas work-around.
6603 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
6604 Don't use sol2dbg.h.
6605 * configure: Rebuilt.
6607 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
6609 * invoke.texi (-fthis-is-variable): Remove documentation.
6611 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
6613 * basic-block.h (compute_bb_for_insn): Declare.
6614 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
6615 to use; set size of basic_block_for_insn directly.
6616 (find_basic_blocks): Update.
6618 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6620 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
6622 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6624 * crtstuff.c (ON_EXIT): Delete empty macro definition.
6625 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
6627 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
6629 * c-decl.c (c_decode_option): Extend comment.
6631 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
6633 * toplev.c (progname): Make 'const char *'
6634 (flag_print_mem): Move out of main.
6635 (version_flag): Move out of main.
6636 (filename): Move out of main.
6637 (debug_args): Remove g prefix from options.
6638 (documented_lang_options): Remove cpplib specific options.
6639 (display_help): Add g prefix to debug options.
6640 (check_lang_option): Delete this function.
6641 (decode_d_option): New function: Decode -d... option.
6642 (decode_f_option): New function: Decode -f... option.
6643 (decode_W_option): New function: Decode -W... option.
6644 (decode_g_option): New function: Decode -g... option.
6645 (independent_decode_option): New function: Decode a language
6646 independent command line option.
6647 (main): Invoke lang_decode_option and then
6648 independent_decode_option on each command line option in
6651 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
6653 Revert this change. Gavin's patch to operand_equal_p is a better fix.
6654 * fold-const.c (fold_range_test): Do not try to fold the range
6655 test if the rhs or lhs has side effects.
6657 * basic-block.h (compute_flow_dominators): Declare.
6659 * gcse.c (alloc_code_hoist_mem): New function.
6660 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
6661 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
6662 (hoist_code, one_code_hoisting_pass): Likewise.
6663 (gcse_main): If optimizing for size, then hoist expressions
6664 computed in multiple dominated basic blocks.
6666 * gcse.c (invalid_nonnull_info): New function.
6667 (delete_null_pointer_checks): Likewise.
6668 * rtl.h (delete_null_pointer_checks): Declare.
6669 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
6671 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
6672 (merge-blocks_move_successor_nojumps): Likewise.
6673 (merge_blocks): Allow merging of some blocks, even if it requires
6674 physical movement of the blocks, but not if it requires new jumps.
6676 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
6677 Callers and prototype changed.
6678 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
6680 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6682 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
6683 -YP when both -p and -pg are present. From i386/sol2.h.
6685 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6687 * Makefile.in (distclean): Delete tm_p.h.
6688 * configure.in: Create a new file, "tm_p.h", from a list in
6689 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
6690 "i386/i386-protos.h".
6692 * alias.c: Include "tm_p.h".
6693 * c-typeck.c: Likewise.
6694 * calls.c: Likewise.
6696 * emit-rtl.c: Likewise.
6697 * explow.c: Likewise.
6698 * expmed.c: Likewise.
6700 * final.c: Likewise.
6702 * fold-const.c: Likewise.
6703 * function.c: Likewise.
6705 * global.c: Likewise.
6706 * haifa-sched.c: Likewise.
6707 * integrate.c: Likewise.
6709 * local-alloc.c: Likewise.
6711 * optabs.c: Likewise.
6712 * recog.c: Likewise.
6713 * reg-stack.c: Likewise.
6714 * regclass.c: Likewise.
6715 * regmove.c: Likewise.
6716 * reload.c: Likewise.
6717 * reload1.c: Likewise.
6718 * reorg.c: Likewise.
6719 * resource.c: Likewise.
6721 * stor-layout.c: Likewise.
6722 * toplev.c: Likewise.
6724 * unroll.c: Likewise.
6725 * genattrtab.c (main): Make generated file include "tm_p.h".
6726 * genemit.c (main): Likewise.
6727 * genoutput.c (main): Likewise.
6728 * genrecog.c (main): Likewise.
6730 * i386.h: Delete all prototypes.
6731 * i386.c: Include "tm_p.h".
6732 (ix86_attr_length_default): Call constant_call_address_operand
6733 with correct number of arguments.
6734 * i386-protos.h: New file.
6735 * i386.md (unnamed patterns): Call constant_call_address_operand
6736 with correct number of arguments.
6737 (exception_receiver): Call load_pic_register with correct number
6740 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
6742 * c-pragma.c (mark_align_stack): Dereference the void* properly.
6744 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
6746 * rtl.h (insns_safe_to_move_p): New function.
6747 * loop.c (find_and_verify_loops): Use it.
6748 * rtlanal.c (insns_safe_to_move_p): Define it.
6750 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
6752 * c-pragma.c: Include ggc.h.
6753 * Makefile.in (c-pragma.o): Update.
6755 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6757 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
6758 (LIB_SPEC): Likewise.
6759 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
6760 Reindent -YP/-p/-pg.
6761 Copied from config/sparc/sol2.h.
6763 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
6765 * c-pragma.c (mark_align_stack): New.
6767 * c-pragma.h (init_pragma): Declare it.
6768 * c-lex.c (init_parse): Call it.
6770 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6772 * configure.in: Pick up thread library on Solaris/x86 just
6773 like on Solaris/sparc.
6774 * configure: Rebuilt.
6776 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
6778 * rtl.h (global_rtx_index): New enum.
6779 (global_rtl): Change to array of rtx.
6780 (pc_rtx, cc0_rtx): Redefine accordingly.
6781 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
6782 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
6783 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
6784 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
6785 (const_int_rtx): Change to array of rtx.
6786 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
6788 * emit-rtl.c (global_rtl): Change to array of rtx.
6789 (const_int_rtx): Change to aray of rtx.
6790 (gen_rtx_CONST_INT): Redefine accordingly.
6791 (init_emit_once): Allocate and initialize global_rtl. Likewise
6792 for const_int_rtx. Add both as GC roots.
6793 * genattrtab.c (global_rtl): Update declaration.
6795 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
6797 * Makefile (USER_H): Add iso646.h back.
6799 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
6801 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
6802 zapping the LOG_LINKS of sched_before_next_call.
6804 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
6805 * pa.c (insn_refs_are_delayed): Renamed from
6806 insn_sets_and_refs_are_delayed.
6808 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
6810 * functiion.h (struct function): Add x_whole_function_mode_p.
6811 (retrofit_block): Declare.
6812 * function.c (retrofit_block): New function.
6813 (identify_blocks): Add assertions. Allow an incomplete set of
6814 block notes if we're still generating code for the function.
6815 * integrate.c: Include loop.h.
6816 (expand_inline_function): Call find_loop_tree_blocks to map block
6817 notes to blocks when in whole-function mode. Use retrofit_block
6818 to insert new BLOCKs for the inlined function, rather than
6820 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
6821 * Makefile.in (integrate.o): Depend on loop.h.
6823 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
6825 * tree.h (warn_about_unused_variables): Declare.
6826 * stmt.c (warn_about_unused_variables): New function, split out
6828 (expand_end_bindings): Here.
6830 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
6832 * stmt.c (preserve_subexpressions_p): Don't crash when
6833 current_function->stmt is unset.
6835 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
6837 * stmt.c (expand_start_bindings): Allow callers to pass a flag
6838 indicating that no NOTE_INSN_BLOCK_BEG note is required.
6839 (expand_start_target_temps): Use it.
6840 * except.c (expand_eh_region_start_for_decl): Likewise.
6841 * expr.c (expand_expr): Likewise.
6843 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
6845 * fold-const.c (operand_equal_p): Pay attention to side effects.
6847 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6849 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
6850 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
6852 * tlink.c (scan_linker_output): Look for keywords before accepting
6853 a mangled name in quotes.
6855 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
6857 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
6858 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
6860 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
6862 * alpha.md: Revert Thu Nov 26 change that came in through the
6863 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
6864 Avoid earlyclobber when possible.
6866 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6868 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
6870 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
6871 Define HAVE_ON_EXIT.
6873 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6875 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
6876 CTYPE_CONV in all ctype macros.
6878 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
6881 * cexp.y (initialize_random_junk): Likewise.
6883 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
6885 * i370.c (handle_pragma): Likewise.
6887 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
6889 * v850.c (override_options): Likewise.
6891 * doprint.c (_doprnt): Likewise.
6893 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
6896 * fixinc/server.c (load_data): Likewise.
6898 * fold-const.c (real_hex_to_f): Likewise.
6900 * genattr.c (write_upcase, gen_attr): Likewise.
6902 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
6903 write_upcase): Likewise.
6905 * genemit.c (print_code): Likewise.
6907 * genopinit.c (gen_insn): Likewise.
6909 * genpeep.c (print_code): Likewise.
6911 * genrecog.c (print_code): Likewise.
6913 * optabs.c (init_libfuncs): Likewise.
6915 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
6917 * haifa-sched.c (sched_analyze): Keep the list of notes organized
6919 (reemit_notes): Likewise.
6921 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
6923 * ggc.h (ggc_root): Move to ggc-common.c.
6925 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
6926 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
6927 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
6928 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
6929 * ggc-common.c (ggc_root): Move from ggc.h.
6930 (roots): Declare, static.
6931 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
6932 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
6933 null or check/set mark bit.
6934 (ggc_mark_roots): New.
6935 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
6937 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
6939 * m32r.c: Include toplev.h.
6940 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
6941 (gen_compare): Rename swap_p to must_swap to match uses.
6942 Add default abort case.
6943 (m32r_output_function_epilogue): Remove unused variables.
6944 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
6945 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
6946 define to empty parameter list. Update all uses.
6947 (predicate decls): Use enum machine_mode not int.
6948 * m32r.md (movsi): Call abort, not fatal_insn.
6949 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
6951 1999-09-14 Andrew Haley <aph@cygnus.com>
6953 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
6954 use $0 instead of 0.
6956 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6958 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
6959 computation out of loop over hard regs.
6961 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
6963 * function.c (identify_blocks): Don't shadow a variable in an
6965 * integrate.c (integrate_decl_tree): Don't use pushlevel,
6966 pushdecl, or poplevel to build up the new BLOCK tree.
6967 (expand_inline_function): Likewise.
6968 (integrate_parm_decls): Likewise.
6970 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
6972 * c-typeck.c (qualify_type): Merge qualifiers from both types.
6974 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
6976 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
6977 * invoke.texi: Document this change.
6979 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
6981 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
6983 (mark_emit_status): Renamed from mark_emit_state.
6984 * except.c (mark_eh_status): Renamed from mark_eh_state.
6985 Check not null before marking.
6986 (free_eh_status): New.
6987 * expr.c (mark_expr_status, free_expr_status): New.
6988 * function.c (free_machine_status): New.
6989 (free_after_parsing): New.
6990 (free_after_compilation): Move bits to free_after_parsing; call
6991 free_eh_status, free_expr_status; zero the marked members of the
6993 (prepare_function_start): No can_garbage_collect.
6994 Call init_eh_for_function.
6995 (expand_dummy_function_end): Free up current_function state.
6996 (mark_function_status): Renamed from mark_function_state.
6997 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
6998 * function.h (struct function): No can_garbage_collect.
6999 (free_machine_status, free_after_parsing): Declare.
7000 (free_eh_status, free_expr_status): Declare.
7001 * ggc.h (mark_expr_status): Declare.
7002 * stmt.c (free_stmt_status): Free the struct.
7003 (mark_stmt_status): Renamed from mark_stmt_state.
7004 (init_stmt): Don't call init_eh.
7005 (init_stmt_for_function): Don't call init_eh_for_function.
7006 * toplev.c (compile_file): Call init_eh.
7007 (rest_of_compilation): Free basic block info before ggc_collect.
7008 Call free_after_parsing; conditionally call free_after_compilation.
7009 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
7010 Check not null before marking.
7011 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
7013 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
7015 * c-lex.c (yylex): Initialize warn.
7017 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
7019 * pa.c (emit_move_sequence): Properly set the mode of the scratch
7020 register when performing secondary reloads for the SAR register.
7022 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
7024 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
7025 (NOTE_BLOCK): New macro.
7026 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
7027 * function.h (identify_blocks): Change prototype.
7028 * function.c (identify_blocks): Simplify.
7029 (reorder_blocks): Likewise.
7030 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
7031 NOTE_INSN_BLOCK_{BEG,END}.
7032 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
7033 the list of saved notes if the note isn't a
7034 NOTE_INSN_BLOCK_{BEG,END}.
7035 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
7037 (reemit_notes): Adjust recreation of notes to reflect new saved
7039 * print-rtl.c (print_rtx): Print the address of the BLOCK when
7040 printing a block note.
7041 * stmt.c (block_vector): Remove.
7042 (find_loop_tree_blocks): Simplify.
7043 (unroll_block_trees): Likewise.
7044 * tree.h (reorder_block): Change prototype.
7046 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
7048 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
7049 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
7050 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
7051 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
7052 (atexit, exit): Simplify.
7053 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
7054 * config/lots: Remove defns of HAVE_ATEXIT.
7056 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
7058 * calls.c (precompute_arguments): Fix typo in comment.
7059 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
7062 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
7064 * dsp16xx.c (override_options): Fix typos in GC root registration.
7066 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
7068 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
7070 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
7071 (FUNCTION_PROFILER): Redefine appropriately for Linux.
7072 (CC1_SPEC): Likewise.
7074 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7076 * genattr.c (main): Add extern prototype. Call return, not exit.
7077 * genattrtab.c (main): Likewise.
7078 * gencheck.c (main): Likewise.
7079 * gencodes.c (main): Likewise.
7080 * genconfig.c (main): Likewise.
7081 * genemit.c (main): Likewise.
7082 * genextract.c (main): Likewise.
7083 * genflags.c (main): Likewise.
7084 * gengenrtl.c (main): Likewise.
7085 * genopinit.c (main): Likewise.
7086 * genoutput.c (main): Likewise.
7087 * genpeep.c (main): Likewise.
7088 * genrecog.c (main): Likewise.
7090 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
7091 * genattrtab.c (get_insn_name): Likewise.
7092 * gencodes.c (get_insn_name): Likewise.
7093 * genconfig.c (get_insn_name): Likewise.
7094 * genemit.c (get_insn_name): Likewise.
7095 * genextract.c (get_insn_name): Likewise.
7096 * genflags.c (get_insn_name): Likewise.
7097 * genopinit.c (get_insn_name): Likewise.
7098 * genpeep.c (get_insn_name): Likewise.
7100 * gencheck.c (usage): Add static prototype.
7101 * genextract.c (print_path): Constify a char*.
7102 * genopinit.c (optabs): Likewise.
7103 * genoutput.c (operand_data, data, output_predicate_decls,
7104 compare_operands): Likewise.
7105 * genrecog.c (write_tree): Add default case in switch.
7107 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7109 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
7111 * print-rtl.c (get_insn_name): Remove prototype.
7113 * toplev.h (progname): Declare const.
7115 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
7116 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
7117 dump_sched_info, dump_local_alloc, regset_release_memory,
7118 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
7119 error_with_file_and_line, error_with_decl, error_for_asm, error,
7120 fatal, warning_with_file_and_line, warning_with_decl, warning,
7121 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
7122 Remove redundant prototypes.
7124 (notice, check_lang_option, report_file_and_line, vnotice,
7125 mark_file_stack): Add static prototype.
7126 (set_fatal_function): Add prototype.
7127 (vnotice, report_file_and_line, set_fatal_function,
7128 check_lang_option): Constify a char*.
7129 (main): Prototype. Call return, not exit.
7131 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7133 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
7135 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
7137 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
7139 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
7141 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7143 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
7144 behave as if it's zero in all cases.
7145 (expand_function_start): Adjust call to assign_parms.
7146 * tree.h (assign_parms): Adjust prototype.
7147 * objc/objc-act.c (hack_method_prototype): Adjust call to
7150 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
7152 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
7153 arg_pointer_rtx fixed if the argument pointer register is
7155 (NONZERO_BASE_PLUS_P): Likewise.
7157 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
7159 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
7160 match_insn2 to match_insn.
7161 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
7163 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
7165 * Makefile.in (USER_H): Remove va-foo.h.
7167 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
7168 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
7169 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
7170 va-spur.h,va-v850.h}: Remove.
7172 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
7174 * sparc/sparc.md (eligible_for_return_delay): New attribute.
7175 (in_return_delay): Use it instead of match_insn.
7177 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7179 * config/alpha/va_list.h (va-alpha.h): Do not include.
7180 (__gnuc_va_list): Typedef as in varargs.h.
7182 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
7184 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
7185 DECL_LIVE_RANGE_RTL.
7187 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
7189 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
7190 not NOTE_BLOCK_NUMBER.
7191 (expand_eh_region_end): Likewise.
7192 (find_exception_handler_labels): Likewise.
7193 (scan_region): Likewise.
7194 (exception_optimize): Likewise.
7195 (update_rethrow_references): Likewise.
7196 (set_insn_eh_region): Likewise.
7197 * final.c (final_scan_insn): Likewise.
7198 * flow.c (make_edges): Likewise.
7199 * integrate.c (expand_inline_function): Likewise.
7200 * print-rtl.c (print_rtx): Likewise.
7202 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
7204 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
7205 terms of builtin functions and types.
7207 * mips.c (mips_build_va_list): New.
7208 (mips_va_start, mips_va_arg): New.
7209 * mips.h (BUILD_VA_LIST_TYPE): New.
7210 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7212 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
7213 (sh_build_va_list, sh_va_start, sh_va_arg): New.
7214 * sh.h (BUILD_VA_LIST_TYPE): New.
7215 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7217 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
7219 * recog.h (struct recog_data): Make dup_num, operand_address_p,
7220 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
7221 (struct insn_data): Likewise with n_operands, n_dups,
7222 n_alternatives, output_format.
7223 * regclass.c (scan_one_insn): Cast n_operands to int before
7224 arithmetic inside comparison.
7226 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
7228 * toplev.c (compile_function): Unconditionally emit nop.
7230 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7232 * haifa-sched.c (actual_hazard): Move declaration of variable
7233 `this_cost' into the scope where it is used.
7235 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7237 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
7238 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
7239 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
7241 * genrecog.c (make_insn_sequence): Call memset, not bzero.
7243 * jump.c (find_insert_position): Don't declare or define unless
7244 !HAVE_conditional_arithmetic.
7245 (returnjump_p_1, delete_prior_computation): Add static prototypes.
7247 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
7249 * recog.c (offsettable_address_p): Prototype function pointer.
7250 (preprocess_constraints): Call memset, not bzero.
7252 * tree.c (tree_node_kind_names): Constify a char*. Make static.
7253 (gcc_obstack_init): Don't declare.
7254 (fix_sizetype): Add static prototype.
7255 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
7256 (tree_cons): Call memset, not bzero.
7258 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
7259 definition in macro ASM_WEAKEN_LABEL.
7260 (mark_const_hash_entry): Add static prototype.
7262 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7264 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
7266 * unroll.c (find_common_reg_term, subtract_reg_term,
7267 loop_find_equiv_value): Add static prototypes.
7268 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
7269 (copy_loop_body): Remove unreachable break statement.
7271 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
7273 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
7275 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7277 Undo some changes from the gcc2 merge:
7278 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
7279 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
7283 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
7284 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7285 initialized float-int union if the value is a NaN.
7287 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
7289 * gthr-win32.h: New file.
7291 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
7292 shared as a valid attribute.
7293 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
7294 * extend.texi: Document `shared' variable attribute.
7296 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
7298 * configure.in: Handle --enable-threads on FreeBSD.
7299 * configure: Rebuit.
7301 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7303 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
7305 * configure: Rebuilt.
7307 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
7308 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
7309 Rosimildo DaSilva <rdasilva@connecttel.com>
7311 * configure.in (m68k-*-rtemscoff*): Added.
7312 * configure.in (mips64orion-*-rtems*): Converted to ELF.
7313 * configure.in (sparc-*-rtemsaout*): Added as alias for old
7314 sparc-rtems configuration.
7315 * configure.in (sparc-*-rtemself*): Added.
7316 * configure.in (sparc-*-rtems*): Now ELF not a.out.
7317 * config/i386/rtems.h: Added comment.
7318 * config/sparc/rtemself.h: New file.
7320 * configure.in (m68k-rtemself): Added.
7321 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
7322 and DWARF_DEBUGGING_INFO.
7323 * config/m68k/crti.s: New file.
7324 * config/m68k/crtn.s: New file.
7325 * config/m68k/t-crtstuff: New file.
7326 * config/m68k/rtemself.h: New file.
7328 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
7329 global ctor/dtor and C++ exception handling.
7330 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
7331 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
7333 * config/i386/t-rtems-i386: New File.
7335 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
7337 * stmt.c (expand_end_case): Return right away if the case stack is
7340 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
7342 * Makefile.in (version.c): Remove rule incorrectly brought in from
7345 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
7347 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
7348 * msdos/top.sed: Take into account a prepended $(SHELL) to
7350 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
7352 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
7354 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7356 * regmove.c (fixup_match_1): Don't change an unchanging register.
7357 (stable_but_for_p): Renamed to:
7358 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
7359 Changed all callers.
7361 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
7363 * loop.c (strength_reduce): Don't call reg_used_between_p if the
7364 insn from BL2 is after the insn from BL.
7366 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
7368 * recog.h (INSN_OUTPUT_FORMAT_*): New.
7369 (struct insn_data): Merge `template' and `outfun' into `output'.
7370 Add `output_format'.
7371 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
7372 (struct data): Remove `outfun'; add `output_format'.
7373 (name_for_index): Remove declaration.
7374 (output_insn_data): Handle output formats.
7375 (process_template): Emit the bare array for @.
7376 (gen_expand, gen_split): Set output_format to NONE.
7377 * output.h (get_insn_template): Declare.
7378 * final.c (get_insn_template): New.
7379 (final_scan_insn): Use it.
7380 * toplev.c (compile_file): Likewise.
7382 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7383 * i860/i860.c (output_delayed_branch): Likewise.
7384 (output_delay_insn): Likewise.
7386 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7388 * rtl.c (obstack_alloc_rtx): Removed.
7390 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
7392 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
7394 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7396 * i386.c (call_insn_operand): Reject const_int.
7397 (expander_call_insn_operand): Use call_insn_operand.
7399 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7401 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
7403 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
7405 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
7406 Use DImode operation.
7408 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
7410 * gcc.c: Include sys/resource.h.
7411 (report_times): New flag.
7412 (execute): If report_times is set, calculate and report the
7413 CPU time consumed by each subprocess.
7415 (rus, prus): New globals.
7416 (option_map): Add --time.
7417 (display_help): Document -time.
7418 (process_command): Set report_times if -time is given.
7419 Turn off -pipe if -time is given.
7421 * invoke.texi: Document new option -time.
7423 * configure.in: Check for getrusage. Check if we have to
7424 prototype getrusage.
7425 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
7426 * configure: Regenerate.
7427 * config.in: Regenerate.
7429 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
7431 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
7434 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
7436 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
7437 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
7438 (nan): Return _thenan_sf or _thenan_df as appropriate.
7439 (L_thenan_sf): Define _thenan_sf.
7440 (L_thenan_df): Define _thenan_df.
7442 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
7443 (DPBIT_FUNCS): Add _thenan_df.
7445 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
7447 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
7450 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7452 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
7455 (lang_specific_driver): Don't take a function pointer parameter.
7456 All callers changed.
7458 * gcc.c: Include gcc.h.
7459 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
7460 lang_specific_extra_outfiles, fatal): Don't declare.
7461 (multilib_defaults_raw): Constify.
7462 (read_specs): Call memset, rather than bzero.
7463 (main): Call return, not exit.
7464 (lookup_compiler): Call memcpy, not bcopy.
7465 (fatal): Make extern.
7467 * cppspec.c: Include gcc.h.
7468 (lang_specific_driver): Initialize variable `quote'. Constify a
7469 char*. All calls to the function pointer parameter now
7470 explicitly call `fatal'.
7472 * gccspec.c (lang_specific_driver): Include gcc.h.
7474 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
7476 * arm.c (note_invalid_constants): Use recog_data.operand_type
7479 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7481 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
7484 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
7485 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7486 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7487 reload_secondary_in_reload, reload_secondary_out_reload,
7488 reload_secondary_in_icode, reload_secondary_out_icode,
7489 reload_reg_rtx, reload_when_needed): Delete declarations.
7490 (struct reload): New structure.
7491 (rld): Declare new array.
7492 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
7493 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7494 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7495 reload_secondary_in_reload, reload_secondary_out_reload,
7496 reload_secondary_in_icode, reload_secondary_out_icode,
7497 reload_reg_rtx, reload_when_needed): Delete definitions.
7499 (whole file): Replace uses of the deleted arrays with uses of rld.
7500 * reload1.c (whole file): Replace uses of the deleted arrays with
7502 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
7503 explicit loops, not with bcopy.
7505 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
7507 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
7508 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
7509 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
7510 insn_name): Delete and consolidate into new structures.
7511 (insn_operand_predicate_fn): New.
7512 (insn_output_fn): New.
7514 (struct insn_operand_data): New.
7515 (struct insn_data): New.
7517 (OUT_FCN): Update for insn_data change.
7518 * builtins.c (expand_builtin_strlen): Likewise.
7519 (expand_builtin_memcmp): Likewise.
7520 * combine.c (make_extraction, simplify_comparison): Likewise.
7521 * cse.c (canon_reg, cse_insn): Likewise.
7522 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
7523 * expmed.c (store_bit_field, extract_bit_field): Likewise.
7524 (emit_store_flag): Likewise.
7525 * expr.c (convert_move, emit_block_move): Likewise.
7526 (clear_storage, emit_push_insn, expand_increment): Likewise.
7527 (do_store_flag): Likewise.
7528 * expr.h (GEN_FCN): Likewise.
7529 (insn_gen_function): Die.
7530 * final.c (final_scan_insn): Update for insn_data change.
7531 (output_asm_name): Likewise.
7532 * function.c (fixup_var_refs_1): Likewise.
7533 * loop.c (check_dbra_loop): Likewise.
7534 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
7535 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
7536 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
7537 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
7538 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
7539 * regmove.c (gen_add3_insn): Likewise.
7540 * reload.c (push_secondary_reload, combine_reloads): Likewise.
7541 (find_reloads, find_reloads_address_1): Likewise.
7542 (debug_reload_to_stream): Likewise.
7543 * reload1.c (emit_reload_insns, gen_reload): Likewise.
7544 * stmt.c (expand_end_case): Likewise.
7545 * toplev.c (compile_file): Likewise.
7547 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7548 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7550 * print-rtl.c (insn_name_ptr): Remove declaration.
7551 (get_insn_name): Declare.
7552 (print_rtx): Use it.
7553 * genoutput.c (insn_name_ptr): Remove.
7554 (next_operand_number): New.
7555 (struct operand_data): New.
7556 (null_operand, odata, odata_end): New.
7557 (struct data): Use struct operand_data.
7558 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
7559 (get_insn_name): Renamed from name_for_index.
7560 (output_prologue): Define NO_MD_PROTOTYPES.
7561 (output_predicate_decls): Break out from output_epilogue.
7562 Iterate over the operands list.
7563 (output_operand_data): Break out from output_epilogue. Emit
7564 just the operands list.
7565 (output_insn_data): Break out from output_epilogue. Emit just
7567 (output_epilogue): Remove.
7568 (output_get_insn_name): New.
7569 (constraints, op_n_alternatives, predicates, address_p): Die.
7570 (modes, strict_low, seen): Die.
7571 (scan_operands): Take new param `d' instead of writing to
7572 seven global variables.
7573 (compare_operands): New.
7574 (place_operands): New.
7575 (validate_insn_alternatives): Update for struct data change.
7576 (gen_insn): Don't zero or copy 7 global arrays. Update for
7577 scan_operands; call place_operands.
7578 (gen_peephole, gen_expand, gen_split): Likewise.
7579 (main): Update for new output routines.
7581 * genattr.c (insn_name_ptr): Remove.
7582 (get_insn_name): New function.
7583 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
7584 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
7585 * genrecog.c: Likewise.
7587 * alpha.md (adddi3): Make `pattern' array static.
7589 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7591 * config/c4x/c4x.h (c4x_rpts_cycles_string,
7592 c4x_cpu_version_string): Constify char *.
7593 * config/c4x/c4x.c (c4x_rpts_cycles_string,
7594 c4x_cpu_version_string): Likewise.
7596 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
7598 * tree.c (save_tree_status): Revert 10 Sep change.
7599 (restore_tree_status): Likewise. Call obstack_free with NULL
7600 before freeing the obstack proper.
7602 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
7604 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
7606 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
7607 surrounding context.
7609 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
7611 * tree.c (type_hash_canon): Put all types in the hash-table, when
7614 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
7616 * recog.h (struct recog_data, recog_data): New.
7617 (recog_foo variables): Kill.
7618 * recog.c (recog_operand, recog_operand_loc): Kill.
7619 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
7620 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
7621 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
7622 (recog_data): Define.
7623 (extract_insn): Update all recog_foo references to use recog_data.
7624 (preprocess_constraints, constrain_operands): Likewise.
7625 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
7626 * genattrtab.c (main): Likewise.
7627 * genextract.c (main): Likewise.
7628 * genoutput.c: Likewise.
7629 * genrecog.c (write_subroutine, main): Likewise.
7630 * local-alloc.c (block_alloc): Likewise.
7631 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
7632 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
7633 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
7634 * reload.c (find_reloads, find_reloads_toplev): Likewise.
7635 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
7636 (reload_cse_simplify_operands): Likewise.
7638 * arc/arc.c (arc_final_prescan_insn): Likewise.
7639 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
7640 * h8300/h8300.c (notice_update_cc): Likewise.
7641 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
7642 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7643 * mn10200/mn10200.c (notice_update_cc): Likewise.
7644 * mn10300/mn10300.c (notice_update_cc): Likewise.
7645 * romp/romp.c (update_cc): Likewise.
7646 * sparc/sparc.c (check_pic): Likewise.
7647 * v850/v850.c (notice_update_cc): Likewise.
7649 * genemit.c (main): Don't declare recog_operand.
7651 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
7653 * ggc.h (rtvec_def): Forward declare.
7654 (tree_node): Likewise.
7657 (ggc_set_mark_rtx): Add prototype.
7658 (ggc_set_mark_rtvec): Likewise.
7659 (ggc_set_mark_tree): Likewise.
7660 * ggc-simple.c (ggc_root): Don't define.
7661 (roots): Don't declare.
7662 (ggc_mark_rtx): Remove.
7663 (ggc_mark_rtvec): Likewise.
7664 (ggc_mark_tree): Likewise.
7665 (ggc_mark_varray): Likewise.
7666 (ggc_mark_tree_hash_table_entry): Likewise.
7667 (ggc_mark_tree_hash_table): Likewise.
7668 (ggc_set_mart_rtx): New function.
7669 (ggc_set_mark_rtvec): Likewise.
7670 (ggc_set_mark_tree): Likewise.
7671 (ggc_add_root): Remove.
7672 (ggc_add_rtx_root): Likewise.
7673 (ggc_remove_tree_root): Likewise.
7674 (ggc_add_string_root): Likewise.
7675 (ggc_add_tree_varray_root): Likewise.
7676 (ggc_add_tree_hash_table_root): Likewise.
7677 (ggc_del_root): Likewise.
7678 (ggc_mark_rtx_ptr): Likewise.
7679 (ggc_mark_tree_ptr): Likewise.
7680 (ggc_mark_string_ptr): Likewise.
7681 (ggc_mark_tree_varray_ptr): Likewise.
7682 (ggc_mark_tree_hash_table_ptr): Likewise.
7683 * ggc-common.c: New file.
7684 * Makefile.in (OBJS): Add ggc-common.o.
7685 (ggc-common.o): List dependencies.
7687 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
7689 * cppalloc.c (xstrdup): Use memcpy.
7690 * cpperror.c (cpp_print_containing_files): Don't use
7692 * cpplib.c (conditional_skip): Set temp->lineno.
7693 (do_endif): Make error message less obscure.
7694 (if_directive_name): New function.
7695 (cpp_get_token [case EOF]): Unwind the if stack and generate
7696 error messages for each unterminated conditional in this file.
7697 (parse_string): Do not behave differently if -traditional.
7699 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
7701 * builtins.c (expand_builtin_va_arg): Cope with an array-type
7702 va_list decomposing to pointer-type.
7703 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
7704 (rs6000_va_arg): Likewise.
7706 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
7708 * except.c (start_dynamic_handler): Compute size using
7709 STACK_SAVEAREA_MODE.
7711 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7713 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
7714 include directory headers. Don't define strrchr. Don't provide
7715 my_* replacement functions. Prefer PTR over `pointer_type'.
7716 Don't prototype system functions. Don't redefine getopt.
7718 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
7719 safe_read, safe_write, save_pointers, restore_pointers,
7720 is_id_char, in_system_include_dir, directory_specified_p,
7721 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
7722 find_corresponding_lparen, referenced_file_is_newer,
7723 save_def_or_dec, munge_compile_params, gen_aux_info_file,
7724 process_aux_info_file, identify_lineno, check_source,
7725 seek_to_line, forward_to_next_token_char, output_bytes,
7726 output_string, output_up_to, other_variable_style_function,
7727 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
7728 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
7729 find_static_definition, connect_defs_and_decs, add_local_decl,
7730 add_global_decls, needs_to_be_converted, visit_each_hash_node,
7731 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
7732 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
7733 scan_for_missed_items, edit_file, string_list_cons): Add static
7735 (standard_exec_prefix, target_machine, target_version,
7736 default_syscalls_dir, string_list, string_list_cons, find_file,
7737 do_cleaning): Constify a char*.
7738 (safe_read, safe_write): Use PTR, not a char*.
7739 (is_id_char): Take an int, not a char.
7740 (main): Add prototype. Call return, not exit.
7742 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
7744 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
7745 when comparing types.
7747 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
7749 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
7750 (strength_reduce): Release the varrays from the no-bivs early exit.
7752 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
7753 the loop over the registers.
7755 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
7757 (restore_tree_status): Check that instead when freeing the obstack.
7759 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
7761 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
7764 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7766 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
7767 operand size modifiers.
7769 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7771 * c-common.c (c_common_nodes_and_builtins): Don't build
7773 * c-common.h (enum c_tree_index and related accesor macros): Remove
7774 everything now declared in tree.h.
7775 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7776 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
7777 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
7778 (error_mark_node, void_type_node, char_type_node, integer_type_node,
7779 unsigned_type_node, ptr_type_node, va_list_type_node,
7780 integer_zero_node, null_pointer_node, integer_one_node): Delete.
7781 (init_decl_processing): Call build_common_tree_nodes and
7782 build_common_tree_nodes_2 instead of building their nodes here.
7783 Don't add roots for these nodes.
7784 * stor-layout.c (size_zero_node, size_one_node): Delete.
7785 (set_sizetype): Make a new node for bitsizetype each time.
7786 * tree.c (global_trees): New variable.
7787 (init_obstacks): Add a gc root for it.
7788 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7789 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
7790 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
7791 (build_common_tree_nodes): New function.
7792 (fix_sizetype): New function.
7793 (build_common_tree_nodes_2): New function.
7794 * tree.h (enum tree_index): New.
7795 (global_trees): Declare.
7796 Add accessor macros for all nodes now moved to global_trees.
7797 Delete their declarations.
7799 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
7801 * c-decl.c (finish_function): When processing a nested function,
7802 push and pop GC context around rest_of_compilation.
7804 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
7806 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
7807 Default ix86_arch to PROCESSOR_I386.
7808 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
7809 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
7810 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
7811 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
7812 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
7813 (EXTRA_SPECS): Remove deleted specs.
7815 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
7817 * function.c (assign_stack_local_1): Allocate from
7818 function->x_frame_offset, not frame_offset.
7820 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
7822 * ggc.h (lang_cleanup_tree): Remove.
7823 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
7824 * ggc-callbacks.c (lang_cleanup_tree): Remove.
7826 * c-decl.c (finish_struct): Use ggc_alloc to allocate
7827 TYPE_LANG_SPECIFIC when garbage collecting.
7828 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
7829 (lang_cleanup_tree): Remove.
7831 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
7833 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
7834 * crtstuff.c: Not here.
7835 * dwarf2out.c: Or here.
7836 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
7839 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
7841 * function.h (free_after_compilation): Remove decl parameter.
7842 (free_varasm_status0: Likewise.
7843 (free_emit_status): Likewise.
7844 (free_stmt_status): Likewise.
7845 (free_after_compilation): Likewise.
7846 (init_lang_status): New variable.
7847 (free_lang_status): Likewise.
7848 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
7849 * function.c (init_lang_status): New variable.
7850 (free_lang_status): Likewise.
7851 (push_function_context_to): Don't set function::decl here.
7852 (free_after_copmilation): Make decl parameter implicit. Call
7853 free_lang_status if defined.
7854 (prepare_function_start): Call init_lang_status if defined.
7855 (init_function_start): Set function::decl here.
7856 * profile.c (output_func_start_profiler): Don't call pushdecl
7857 until we've actually started the function.
7858 * stmt.c (free_stmt_status): Make decl parameter implicit.
7859 * toplev.c (rest_of_compilation): Don't pass decl to
7860 free_after_compilation.
7861 * varasm.c (free_varasm_status): Likewise.
7863 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7865 * except.c (call_get_eh_context): Add root when allocating static
7868 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
7870 * arm.c: Include "ggc.h".
7871 (arm_add_gc_roots): New function.
7872 (arm_override_options): Call it.
7873 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
7875 * arm.md (define_asm_attributes): Add a pool_range attribute.
7877 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
7879 * extend.texi (Volatiles): New node.
7881 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
7883 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
7884 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
7885 (struct ggc_any): Replace `mark' with `magic_mark'.
7886 (ggc_alloc_string): Use memcpy, not bcopy.
7887 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
7888 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
7889 (ggc_free_any): New.
7890 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
7891 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
7892 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
7893 Use IS_MARKED. Use ggc_free_any.
7895 1999-09-09 Scott Bambrough <scottb@netwinder.org>
7897 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
7899 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
7901 * toplev.c (main): Always init_ggc.
7903 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
7905 * except.c (find_all_handler_type_matches): Free the list if
7906 we found no matches.
7908 * combine.c (SUBST): Break out to a real function do_SUBST.
7909 (SUBST_INT): Likewise.
7910 * gcse.c (free_pre_mem): Free `temp_bitmap'.
7911 (pre_insert): Free `inserted'.
7912 * loop.c (basic_induction_var): Always set `location'.
7914 * function.c (expand_function_end): Add initial_trampoline as a root.
7915 * rtl.h (init_varasm_once): Declare.
7916 * toplev.c (compile_file): Call it.
7917 * ggc-simple.c (ggc_mark_string_ptr): New.
7918 (ggc_add_string_root): New.
7919 (ggc_collect): Disable collection avoidance temporarily.
7920 * ggc.h (ggc_add_string_root): Declare.
7921 * except.c (create_rethrow_ref): Use ggc_alloc_string.
7922 * optabs.c (init_libfuncs): Likewise.
7923 * varasm.c (named_section): Use ggc_alloc_string.
7924 (make_function_rtl): Likewise.
7925 (make_decl_rtl): Likewise.
7926 (assemble_static_space): Likewise.
7927 (assemble_trampoline_template): Likewise.
7928 (output_constant_def): Likewise.
7929 (force_const_mem): Likewise.
7930 (mark_const_hash_entry): New.
7931 (mark_pool_sym_hash_table): New.
7932 (mark_varasm_state): Use it.
7933 (init_varasm_once): New.
7935 * expr.h (init_one_libfunc): Declare.
7936 * optabs.c (init_one_libfunc): New.
7937 (init_optabs): Use it.
7938 * config/gofast.h: Likewise.
7939 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
7940 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
7942 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
7944 * Makefile.in (cppexp.o): Depend on cpphash.h.
7945 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
7947 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
7948 * cpplib.c (do_define): Generalise to handle poisoned definitions,
7949 redefining poisoned identifiers, etc.
7950 (do_undef): Don't allow poisoned identifiers to be undefined.
7951 (do_pragma): Add #pragma poison.
7952 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7954 * cccp.c: Add T_POISON node type.
7955 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
7957 (do_define): Generalise to handle poisoned definitions,
7958 redefining poisoned identifiers, etc.
7959 (do_undef): Don't allow poisoned identifiers to be undefined.
7960 (do_pragma): Add #pragma poison.
7961 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7963 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
7964 * c-pragma.h: Add ps_poison state. We now always have generic
7967 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
7969 * ggc.h (ggc_alloc): New function.
7970 (ggc_mark): Likewise.
7971 * ggc-simple.c (ggc_any): New structure.
7972 (ggc_status): Add anys.
7973 (n_anys_collected): New variable.
7974 (ggc_alloc): Define.
7975 (ggc_mark): Likewise.
7976 (ggc_collect): Collect the anys.
7978 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7980 * c-decl.c (mark_binding_level): Make static to match prototype.
7982 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
7984 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
7986 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
7988 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
7989 will use into account. Expand the max width to 5.
7992 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
7994 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
7997 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
7999 * alpha.md (call value patterns): Remove the result predicates.
8001 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
8003 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
8006 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8008 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
8009 changed from extern char *, to extern PTR. Also fix typo in
8010 NEED_DECLARATION_REALLOC test.
8012 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
8014 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8016 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
8017 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
8018 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
8019 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
8021 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
8023 * cccp.c (pcfinclude): Likewise.
8025 * global.c (allocno_compare): Likewise.
8027 * haifa-sched.c (rank_for_schedule): Likewise.
8029 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
8031 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
8033 * stupid.c (stupid_reg_compare): Likewise.
8035 * tree.c (_obstack_allocated_p): Likewise.
8037 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
8039 1999-09-08 Bruce Korb autogen@linuxbox.com
8041 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
8042 why "gperf -F" fails.
8043 * gcc/cp/Makefile.in: ditto
8044 * gcc/Makefile.in: ditto
8045 * gcc/java/Makefile.in: ditto
8047 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
8049 * lists.c: Include ggc.h.
8051 (init_EXPR_INSN_LIST_cache): Install it.
8053 * ggc-simple.c (init_ggc): Absorb the old init.
8054 (ggc_push_context): Use xcalloc.
8055 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
8056 (ggc_collect): Add [rvts] tags to the collection stats.
8058 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
8060 * cccp.c (main): Fix handling of -include and -imacros options.
8062 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
8064 * cpplib.c (cpp_push_buffer): Fix order of arguments.
8066 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8068 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
8071 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8073 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
8074 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
8075 and SET_DEST. Update comment.
8077 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8079 * config/c4x/c4x.c: Include ggc.h.
8080 (c4x_add_gc_roots): New function.
8081 (c4x_override_options): Call c4x_add_gc_roots.
8083 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
8085 * defaults.h (TARGET_ESC): Move ...
8086 * system.h: ... here, where Linas had it in the first place. Silly me.
8088 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
8090 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
8091 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
8092 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
8093 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
8094 * defaults.h (TARGET_ESC): Add default.
8096 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
8098 * configure.in: add i370-*-openedition, i370-*-mvs and
8099 i370-*-linux targets
8101 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
8103 * dsp16xxx.c: Include ggc.h
8104 (override_options): Mark GC roots.
8105 * mn10200.c: Include ggc.h.
8106 (asm_file_start): Mark GC roots.
8107 * tahoe.c: Include ggc.h.
8108 (extensible_operand): Mark GC roots.
8110 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
8112 * README: Add section discussing status of ELF ABI.
8113 * i370.c: Fix misc spelling mistakes.
8114 (i370_label_scan): Updated notes, exception handling.
8115 (i370_function_prolog): Simplify ELF stack handling.
8116 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
8117 (STACK_GROWS_DOWNWARD): ELF stack grows down.
8118 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
8119 * i370.md: (movdi): Add notes.
8120 (floatsidf2): Use stack not rtca for scratch float area.
8121 (iorsi3): Correct operand constraints.
8122 * x-oe: Restore TAROUTOPTS which are used by pax.
8124 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
8126 * rs6000.c: Include ggc.h.
8127 (rs6000_add_gc_roots): New function.
8128 (override_options): Call it.
8130 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
8132 * alpha.h (alpha_compare): New.
8133 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
8134 * alpha.c: Likewise for the definitions.
8135 (alpha_emit_conditional_branch): Update for alpha_compare.
8136 (alpha_emit_conditional_move): Likewise.
8137 * alpha.md (cmpdf, cmpdi): Likewise.
8138 (setcc patterns): Likewise. Zero alpha_compare after use.
8139 (sne): Optimize (x != 0) into (0U < x).
8141 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
8143 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
8144 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
8145 (INIT_EXPANDERS): Remove.
8146 * alpha.c: Include ggc.h.
8147 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
8148 (alpha_init_machine_status, alpha_mark_machine_status): New.
8149 (override_options): Install them.
8150 (struct machine_function): Moved to alpha.h.
8151 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
8152 (alpha_init_expanders): Remove.
8153 (alpha_return_addr): Adjust to use current_function->machine.
8154 (alpha_ra_ever_killed): Likewise.
8155 (alpha_expand_epilogue): Likewise.
8156 * alpha.md (eh_epilogue): Likewise.
8158 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
8159 Melissa O'Neill <oneill@cs.sfu.ca>
8160 Geoffrey Keating <geoffk@cygnus.com>
8162 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
8163 call-used registers (call-saved registers must still be contiguous
8164 and end with r31, of course).
8166 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
8168 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
8169 (self_promoting_type_p): Delete.
8170 (self_promoting_args_p): Move ...
8171 * c-common.c: ... here.
8172 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
8173 (simple_type_promotes_to): New.
8174 * builtins.c (lang_type_promotes_to): New.
8175 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
8176 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
8177 * c-common.h: ... here.
8178 (self_promoting_args_p, simple_type_promotes_to): Declare.
8179 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
8180 (grokdeclarator): Likewise.
8181 * tree.h (lang_type_promotes_to): Declare.
8183 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
8185 Add some machine-dependent GC roots.
8186 * sparc.c: Include ggc.h.
8187 (sparc_add_gc_roots): New function.
8188 (mark_ultrasparc_pipeline_state): Likewise.
8189 (override_options): Call sparc_add_gc_roots.
8190 * pa.c: Include ggc.h.
8191 (pa_add_gc_roots): New function.
8192 (mark_deferred_plabels): Likewise.
8193 (override_options): Call pa_add_gc_roots.
8194 * mips.c: Include ggc.h.
8195 (mips_add_gc_roots): New function.
8196 (override_options): Use it.
8198 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8200 * cpperror.c (cpp_file_line_for_message): Constify a char*.
8202 * cppexp.c (parse_number, parse_charconst, cpp_lex,
8203 cpp_parse_expr): Add static prototypes.
8204 (parse_charconst): Don't cast away const-ness.
8205 (token): Constify a char*.
8207 * cppfiles.c (file_name_list, include_hash, find_include_file,
8208 finclude, initialize_input_buffer): Constify a char*.
8209 (file_cleanup, find_position): Add static prototypes.
8211 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
8212 collect_expansion): Add static prototypes.
8213 (cpp_install, create_definition, monthnames): Constify a char*.
8215 * cpphash.h (cpp_install): Likewise.
8217 * cppinit.c (known_suffixes, default_include,
8218 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
8219 (base_name, dump_special_to_buffer, initialize_dependency_output):
8220 Add static prototypes.
8222 * cpplib.c (my_strerror): Constify a char*.
8223 (null_underflow, null_cleanup, skip_comment, copy_comment,
8224 copy_rest_of_line, handle_directive, pass_thru_directive,
8225 get_directive_token, read_line_number, cpp_print_file_and_line,
8226 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
8227 v_cpp_warning_with_line, detect_if_not_defined,
8228 consider_directive_while_skipping): Add static prototypes.
8229 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
8230 cpp_pedwarn_with_file_and_line): Constify a char*.
8232 * cpplib.h (cpp_options, include_hash, progname, definition,
8233 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
8234 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
8235 find_include_file, deps_output, include_hash): Constify a char*.
8237 * cppmain.c (progname): Constify.
8238 (main): Add prototype. Use return, not exit.
8240 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
8241 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
8242 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
8243 check_protection): Add static prototype.
8245 (progname, recognized_macrom, recognized_extern): Constify a char*.
8246 (main): Add prototype.
8248 * gen-protos.c (progname): Constify a char*.
8250 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
8252 * emit-rtl.c (free_emit_status): Take decl as a parameter.
8253 (init_emit_once): Add more GC roots.
8254 * except.c (mark_func_eh_entry): New function.
8255 (mark_eh_node): Mark false_label and rethrow_label.
8256 (init_eh): Add more GC roots.
8257 * function.c (free_after_compilation): Take decl as a paramter.
8258 Call free_stmt_status.
8259 (mark_function_state): Don't assume x_parm_reg_stack_loc is
8261 * function.h (free_after_compilation): Change prototype.
8262 (free_varasm_status): Likewise.
8263 (free_emit_status): Likewise.
8264 (free_stmt_status): New function.
8265 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
8266 Remove, replacing with ...
8267 (ggc_status): New structure.
8268 (ggc_chain): New variable.
8270 (ggc_push_context): New function.
8271 (ggc_pop_context): Likewise.
8272 (ggc_alloc_rtx): Adjust for use of ggc_chain.
8273 (ggc_alloc_rtvec): Likewise.
8274 (ggc_alloc_tree): Likewise.
8275 (ggc_alloc_string): Likewise.
8276 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
8277 (ggc_mark_tree): Give language-dependent code a chance to mark
8279 (ggc_mark_tree_varray): Handle empty arrays.
8280 (ggc_collect): Adjust for use of ggc_chain. Clear
8281 bytes_alloced_since_last_gc.
8282 * ggc.h (ggc_pop_context): New function.
8283 (ggc_push_context): Likewise.
8284 * print-tree.c (print_node): Don't print obstacks when GC'ing.
8285 * stmt.c (free_stmt_status): New function.
8286 (init_stmt_for_function): Clear last_expr_value.
8287 * toplev.c (rest_of_compilation): Always call free_after_compilation.
8288 Conditionalize call to ggc_collect.
8289 (main): Call init_ggc.
8290 * tree.c (push_obstacks): Do the push, even when GC'ing.
8291 (push_obstacks_nochange): Likewise.
8292 (pop_obstacks): Liekwise.
8293 * varasm.c (free_varasm_status): Take decl as a parameter.
8295 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
8297 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
8298 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
8299 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
8300 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
8302 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
8304 * pa/x-pa-mpeix: New file for the MPE port.
8306 * pa/quadlib.asm: New file for long double support.
8308 * configure.in: Add hppa1.0-*-mpeix for MPE port.
8309 * configure: Rebuilt.
8311 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
8313 * final.c (shorten_branches): Fix last change.
8315 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
8317 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
8319 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
8321 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
8324 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8326 * c-aux-info.c (concat): Don't define.
8328 * cccp.c (my_strerror): Likewise. All callers changed to use
8330 (do_include): Call xstrdup, not xmalloc/strcpy.
8331 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
8332 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
8334 * collect2.c (my_strsignal): Likewise. All callers changed to use
8336 (locatelib): Call xstrdup, not xmalloc/strcpy.
8338 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
8340 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
8342 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
8344 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
8346 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
8348 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
8350 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
8352 (find_all_handler_type_matches): Likewise. Don't check return
8354 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
8355 xmalloc, not malloc.
8356 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
8358 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
8359 (init_spec): Call xcalloc, not xmalloc/bzero.
8360 (set_spec): Call xstrdup, not save_string.
8361 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
8362 (find_a_file): Call xstrdup, not xmalloc/strcpy.
8363 (process_command): Call xstrdup, not save_string.
8364 (main): Call xcalloc, not xmalloc/bzero.
8366 * gcov.c (xmalloc): Don't define.
8367 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
8368 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
8369 (output_data): Call xcalloc, not xmalloc/bzero.
8371 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
8373 * mips-tdump.c (xmalloc): Don't define.
8374 (print_symbol): Call xmalloc, not malloc.
8375 (read_tfile): Call xcalloc, not calloc.
8377 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
8378 Don't define. All callers of xfree/my_strsignal changed to use
8379 free/strsignal instead.
8380 (allocate_cluster): Call xcalloc, not calloc.
8382 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
8383 Fix memory leak, free allocated memory.
8385 * prefix.c (translate_name): Call xstrdup, not save_string.
8386 (update_path): Likewise.
8388 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
8390 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
8391 Don't define. Callers of xfree/savestring2 changed to use
8392 free/concat instead.
8394 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
8395 (init_elim_table): Likewise.
8397 * resource.c (init_resource_info): Likewise.
8399 * stupid.c (stupid_life_analysis): Likewise.
8401 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
8402 (open_dump_file): Call concat, not xmalloc/strcpy/...
8403 (clean_dump_file): Likewise.
8404 (compile_file): Call xstrdup, not xmalloc/strcpy.
8406 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
8408 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
8409 * v850.c (v850_va_arg): New.
8411 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8413 * haifa-sched.c: Tidy comments.
8415 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8417 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
8418 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
8419 $(out_object_file)): Depend on ggc.h.
8420 * c-common.c: Include "ggc.h".
8421 (combine_strings): If doing GC, use ggc_alloc_string.
8422 * c-decl.c: Include "ggc.h".
8423 (ggc_p): Define with value 0.
8424 (mark_binding_level): New function.
8425 (init_decl_processing): Add GC roots.
8426 (mark_c_function_context): New function.
8427 (lang_mark_false_label_stack): New function.
8428 (lang_mark_tree): New function.
8429 (lang_cleanup_tree): New function.
8430 * c-lang.c: Include "ggc.h".
8431 (lang_init): Call c_parse_init.
8432 * c-lex.c: Include "ggc.h".
8433 (check_linenum): If doing GC, don't copy filenames to permanent
8435 * c-parse.in: Include "ggc.h".
8436 (c_parse_init): New function.
8437 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
8438 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
8440 * except.c (mark_eh_state): Mark more state.
8441 * function.c (mark_function_state): Likewise.
8442 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
8443 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
8444 * toplev.c (mark_file_stack): New function.
8445 (compile_file): If doing GC, use ggc_alloc_string on input filename.
8446 (main): Add root for input_file_stack.
8448 * i386.c: Include "ggc.h".
8449 (ix86_mark_machine_status): New function.
8450 (override_options): Set mark_machine_status.
8452 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8454 * tree.c (copy_node): Copy node contents also if doing GC.
8456 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8458 * collect2.c (scan_libraries): Fix double-thinko :-).
8460 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
8462 * collect2.c (scan_libraries): Fix thinko.
8464 * cse.c (delete_trivially_dead_insns): Do not skip the last
8465 insn if it is a real insn.
8467 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
8469 * Makefile.in (ggc-simple.o): Depend on hash.h.
8470 * ggc.h (ggc_add_tree_hash_table_root): Declare.
8471 (ggc_mark_tree_varray): Likewise.
8472 (ggc_mark_tree_hash_table): Likewise.
8473 * ggc-simple.c: Include hash.h.
8474 (ggc_mark_tree_hash_table_ptr): New function.
8475 (ggc_mark_tree_hash_table_entry): Likewise.
8476 (ggc_mark_tree_hash_table): Likewise.
8477 (ggc_add_tree_hash_table_root): Likewise.
8478 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
8479 rtx, when defining fields.
8481 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8483 * profile.c (output_func_start_profiler): Remove apparently
8484 nonsensical call to start_sequence.
8486 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
8488 * clipper/clipper.c (clipper_va_start): Fix typos.
8490 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
8491 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
8492 (spur_va_arg): New stub.
8494 * configure.in: Comment out pyramid.
8496 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
8498 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
8499 don't conflict with the bits that win32, cygwin, and dgux
8502 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
8503 Bernd Schmidt <bernds@cygnus.co.uk>
8505 * integrate.c (function_cannot_inline_p): Do not inline
8506 functions with forced labels.
8508 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
8509 Bernd Schmidt <bernds@cygnus.co.uk>
8510 Mark Mitchell <mark@codesourcery.com>
8512 * Makefile.in (ggc-simple.o): Depend on varray.h.
8513 (rtl.o): Depend on ggc.h.
8514 (genattrtab.o): Depend on ggc.h.
8515 (print-tree.o): Likewise.
8516 (fold-const.o): Likewise.
8517 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
8518 (make_insn_raw): Don't cache insns when GC'ing.
8519 (emit_insn_before): Likewise.
8520 (emit_insn_after): Likewise.
8521 (emit_insn): Likewise.
8522 (start_sequence): Use xmalloc to allocate the sequence_stack.
8523 (end_sequence): Add free to free it.
8524 (gen_sequence): Don't cache insns when GC'ing.
8525 (clear_emit_caches): Don't use sequence_element_free_list.
8526 (init_emit): Use xcalloc, not xmalloc+bzero.
8527 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
8528 * function.c (pop_function_context_from): Use free to free the
8529 fixup_var_refs_queue.
8530 (put_reg_into_stack): Allocate it with xmalloc.
8531 * genattrtab.c: Include ggc.h.
8532 (operate_exp): Don't use obstack_free when GC'ing.
8533 (simplify_cond): Likewise.
8534 (simplify_text_exp): Likewise.
8535 (optimize_attrs): Likewise.
8536 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
8538 (gencode): Generate a #include for ggc.h.
8539 * ggc-callbacks.c (ggc_p): Define it to zero.
8540 * ggc-none.c (ggc_p): Likewise.
8541 * ggc-simple.c: Include varray.h.
8542 (ggc_mark_tree_varray): New function.
8543 (ggc_add_tree_varray_root): Likewise.
8544 (ggc_mark_tree_varray_ptr): Likewise.
8545 * ggc.h (ggc_p): Declare.
8546 (varray_head_tag): Likewise.
8547 (ggc_add_tree_varray_root): Declare.
8548 * print-tree.c (print_node): Don't check for TREE_PERMANENT
8549 inconsistencies when GC'ing.
8550 * rtl.c: Include ggc.h.
8551 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
8552 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
8553 (rtx_free): Don't call obstack_free when GC'ing.
8554 * toplev.c (rest_of_compilation): Call ggc_collect after every
8556 * tree.c (push_obstacks): Do nothing, if GC'ing.
8557 (pop_obstacks_nochange): Likewise.
8558 (pop_obstacks): Likewise.
8559 (make_node): Use ggc_alloc_tree when GC'ing.
8560 (copy_node): Likewise.
8561 (get_identifier): Use ggc_alloc_string when GC'ing.
8562 (build_string): Likewise.
8563 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
8564 (tree_cons): Likewise.
8566 (type_hash_canon): Don't call obstack_free when GC'ing.
8568 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
8570 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
8571 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
8573 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
8574 Bernd Schmidt <bernds@cygnus.co.uk>
8575 Mark Mitchell <mark@codesourcery.com>
8577 * Makefile.in (stor-layout.o): Depend on ggc.h.
8578 (expr.o): Depend on ggc.h.
8579 (profile.o): Depend on ggc.h.
8580 (stor-layout.o): Depend on ggc.h.
8581 * emit-rtl.c (init_emit_once): Add gc roots.
8582 * expr.c: Include ggc.h.
8583 (emit_block_move): Add gc roots.
8584 (clear_storage): Likewise.
8585 * expr.h (init_stor_layout_once): New function.
8586 * profile.c: Include ggc.h.
8587 (init_arc_profiler): profiler_label is a root.
8588 * scan.c (make_sstring_space): Trust xrealloc to function
8589 correctly with first parameter NULL.
8590 * stor-layout.c: Include ggc.h.
8591 (set_sizetype): Add gc root.
8592 (init_stor_layout_once): New function.
8593 * toplev.c (compile_file): Call it.
8595 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
8596 Bernd Schmidt <bernds@cygnus.co.uk>
8597 Mark Mitchell <mark@codesourcery.com>
8599 * Makefile.in (tree.o): Depend on ggc.h.
8600 (varasm.o): Likewise.
8601 (function.o): Likewise.
8603 (except.o): Likewise.
8604 (optabs.o): Likewise.
8605 (emit-rtl.o): Likewise.
8606 * emit-rtl.c: Include ggc.h.
8607 (sequence_element_free_list): Remove, and all references.
8608 (mark_sequence): New functions.
8609 (mark_emit_state): New function.
8610 * except.c: Include ggc.h.
8611 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
8612 (mark_tree_label_node): New functions.
8613 (mark_eh_state): New function.
8614 * function.c: Include ggc.h.
8615 (mark_temp_slot, mark_function_chain): New functions.
8616 (mark_function_state): New function.
8617 (init_function_once): New function.
8618 * function.h (init_function_once): New function.
8619 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
8620 * ggc.h (label_node): Declare.
8621 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
8622 (lang_mark_false_label_stack): New function.
8623 (mark_temp_slot): Remove declaration.
8624 (mark_function_chain): Likewise.
8625 (mark_eh_state): Adjust prototype.
8626 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
8628 * optabs.c: Include ggc.h.
8629 (mark_optab): New function.
8630 (init_optabs): Add gc roots.
8631 * stmt.c: Include ggc.h.
8632 (mark_cond_nesting, mark_loop_nesting): New functions.
8633 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
8634 (mark_stmt_state): New function.
8635 * toplev.c (compile_file): Call init_function_once.
8636 * tree.c: Include ggc.h.
8637 (type_hash): Move declaration earlier in file.
8638 (TYPE_HASH_SIZE, type_hash_table): Likewise.
8639 (init_obstacks): Add gc roots.
8640 (mark_type_hash): New function.
8641 * varasm.c: Include ggc.h.
8642 (mark_pool_constant): New function.
8643 (mark_varasm_state): New function.
8645 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8647 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
8649 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8651 * c-decl.c (struct language_function): Renamed from struct c_function.
8653 (c_function_chain): Delete.
8654 (push_c_function_context): New arg F. Don't warn about nested
8655 functions here. Fill LANGUAGE elt of F. Delete code to update
8656 c_function_chain. Don't call push_function_context.
8657 (pop_c_function_context): New arg F. Restore from there instead of
8658 from c_function_chain. Don't call pop_function_context. Clear out
8659 LANGUAGE field of F when done.
8660 * c-lang.c: Include "function.h"
8661 (lang_init): Initialize save_lang_status and restore_lang_status.
8662 * c-parse.in (nested_function, nested_function_notype): Warn about
8663 nested functions. Call push_function_context/pop_function_context
8664 instead of the _c_ variants.
8665 * c-tree.h (push_c_function_context, pop_c_function_context): Update
8667 * Makefile.in (c-lang.o): Update dependencies.
8669 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
8670 regno_pointer_flag, regno_pointer_align.
8671 (gen_reg_rtx): Use xrealloc to enlarge them.
8672 (free_emit_status): New function.
8673 * function.c (mark_machine_status, mark_lang_status): New variables.
8674 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
8675 in some bits from assign_stack_local. All callers changed to use new
8677 (assign_stack_local): Just call assign_stack_local_1.
8678 (free_after_compilation): New function.
8679 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
8680 (trampoline_address): Likewise.
8681 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
8682 (prepare_function_start): Explicitly clear some more variables.
8683 * function.h (struct function): New elt can_garbage_collect.
8684 (mark_machine_status, mark_lang_status): Declare variables.
8685 (free_after_compilation, free_emit_status, free_varasm_status,
8686 init_varasm_status): Declare functions.
8687 * toplev.c (rest_of_compilation): Call free_after_compilation when
8688 done with the current function.
8689 * varasm.c (free_varasm_status): New function.
8691 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
8693 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
8694 (EXPAND_BUILTIN_VA_ARG): Define.
8695 * sparc.c (sparc_va_start): New.
8696 (sparc_va_arg): New.
8698 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8700 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
8702 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8704 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
8706 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
8708 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
8710 (ggc-callbacks.o): New target.
8711 * ggc-callbacks.c: New file.
8713 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8715 * expr.h: Collapse individual optab and libfunc vars to arrays.
8716 (optab_index, libfunc_index): New enumerations.
8717 (optab_table, libfunc_table): New arrays.
8718 Add accessor macros for both.
8720 * optabs.c (optab_table, libfunc_table): New.
8721 Delete declarations for individual optab and libfunc vars.
8723 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
8725 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
8727 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8729 * Makefile.in (GGC, GGC_LIB): New.
8730 (HOST_RTL): Include ggc-none.o.
8731 (ggc-simple.o): New target.
8732 (ggc-none.o): Likewise.
8733 * tree.h (tree_common): Add gc_mark.
8734 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
8735 (struct rtvec_def): Add gc_mark.
8736 * emit-rtl.c (global_rtl): Update static initializers to contain
8737 enough initializers.
8738 * ggc.h, ggc-none.c, ggc-simple.c: New files.
8739 * toplev.c (gc_time): New variable.
8740 (all_time): New variable.
8741 (compile_file): Print gc time.
8742 (print_time): Calculate percentage of the whole.
8744 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8746 Change obstack memory management and varasm constant pool handling so
8747 that nested functions are treated like any other functions.
8748 * function.c (init_machine_status): New variable.
8749 (push_function_context_to): Set contains_functions for the outer
8750 function. Don't call save_varasm_status.
8751 (pop_function_context_from): Don't call restore_varasm_status. Don't
8752 set current_function_contains_functions.
8753 (prepare_function_start): Call init_varasm_status rather than
8754 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
8756 * function.h (struct function) Add field varasm. Delete fields
8757 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
8758 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
8759 (init_machine_status): Declare.
8760 (save_varasm_status, restore_varasm_status): Delete declarations.
8761 (save_tree_status, restore_tree_status): Delete last argument.
8762 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
8763 code. All callers changed.
8764 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
8765 save_constants_in_decl_trees, restore_constants, save_constants,
8766 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
8768 (inlining): New variable.
8769 (reg_map, label_map, insn_map, orig_asm_operands_vector,
8770 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
8772 (save_for_inline_nocopy): Don't save constants.
8773 Don't set inl_emit field in current_function.
8774 (expand_inline_function): Use emit field, not inl_emit, of the inlined
8775 function. Set new variable inlining before
8776 calling copy_rtx_and_substitute.
8777 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
8778 constant pool references if inlining is nonzero.
8779 Delete ADDRESS and (most of the) CONST cases.
8780 (output_inline_function): Save and restore current_function/
8781 current_function_decl. Delete restore_constants code. Don't call
8782 init_const_rtx_hash_table.
8783 * output.h (init_const_rtx_hash_table): Don't declare.
8784 * rtl.h (struct function): Declare.
8785 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
8786 * toplev.c (rest_of_compilation): Don't treat nested functions or
8787 functions containing them specially. Delete all code to deal with
8788 save_for_inline_copying.
8789 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
8790 inline_obstacks): Delete variables.
8791 (save_tree_status): Lose arg CONTEXT. All callers changed.
8792 Simply allocate a new function_maybepermanent_obstack for the new
8793 function, delete all the special cases.
8794 Don't save inline_obstacks.
8795 (restore_tree_status): Lose arg CONTEXT. All callers changed.
8796 Delete special handling for function_maybepermanent_obstack; simply
8798 Don't restore inline_obstacks.
8799 (permanent_allocation): Delete code that frees inline_obstacks.
8800 (print_inline_obstack_statistics): Delete function.
8801 (dump_tree_statistics): Don't call it.
8802 * varasm.c (struct varasm_status): New.
8803 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
8804 last_pool, pool_offset, const_double_chain): Delete global
8805 variables, replace with accessor macros.
8806 (immed_double_const): Don't walk const_double_chain outside a
8807 function, but don't treat nested functions specially anymore.
8808 (immed_real_const_1): Likewise.
8809 (clear_const_double_mem): Don't treat nested functions specially.
8810 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
8811 (save_varasm_status, restore_varasm_status): Delete functions.
8812 (init_varasm_status): New function.
8813 (force_const_mem): Don't treat nested functions specially.
8814 (find_pool_constant): Accept new arg F, search for constants in
8815 that function's pool rather than the current one. All callers
8817 (get_pool_constant_for_function, get_pool_mode_for_function): New
8820 * i386.c (init_386_machine_status): New function, mostly from
8821 clear_386_stack_locals.
8822 (struct machine_functions): Rename element names to avoid name
8824 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
8825 macros, replacing global variables.
8826 (clear_386_stack_locals, save_386_machine_status,
8827 restore_386_machine_status): Delete functions.
8828 (override_options): Initialize init_machine_status.
8829 * i386.h (INIT_EXPANDERS): Delete macro.
8830 (save_386_machine_status, restore_386_machine_status,
8831 clear_386_stack_locals): Delete declarations.
8833 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8835 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
8836 (doloop_begin): Simplify pattern and use emit_jump_insn.
8837 (doloop_end): Simplify pattern, switch operand order,
8838 and use emit_jump_insn.
8840 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8842 * function.h (struct function): Add new element LANGUAGE.
8843 (save_lang_status): Declare new variable.
8844 (restore_lang_status): Likewise.
8845 * function.c (save_lang_status): Define.
8846 (restore_lang_status): Likewise.
8847 (push_function_context_to): Call language-specific save function.
8848 (pop_function_context_from): Call language-specific restore function.
8850 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8852 * i386.md (movsf_1): Check REG_P before use of REGNO.
8853 (movdf_1): Likewise.
8854 (movxf_1): Likewise.
8855 (extendsfdf2): Likewise.
8856 (extendsfxf2): Likewise.
8857 (extenddfxf2): Likewise.
8859 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8861 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
8862 constants into memory.
8863 (c4x_shiftable_constant): New function.
8864 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
8865 (c4x_shiftable_constant): Declare.
8866 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
8867 ashlqi3_noclobber): Add new patterns and associated splitters.
8869 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
8871 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
8872 * dwarf2out.c (dwarf2out_frame_init): Likewise.
8873 * final.c (shorten_branches): Likewise.
8874 * global.c (global_alloc): Likewise.
8875 * haifa-sched.c (build_control_flow): Likewise.
8876 * stmt.c (check_for_full_enumeration_handling): Likewise.
8877 (estimate_case_costs): Likewise.
8879 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
8881 * rtl.h (RTL_CHECKC2): Fix typo in last change.
8883 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
8885 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
8886 (recompute_reg_usage): Likewise.
8887 * rtlanal.c (find_regno_fusage): Likewise.
8889 * rtl.c (rtl_check_failed_code1): New function.
8890 (rtl_check_failed_code2): New.
8891 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
8892 (RTL_CHECKC1, RTL_CHECKC2): New.
8893 (XC*): New accessor macros.
8894 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
8895 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
8896 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
8897 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
8898 (TRAP_*, RANGE_INFO_*): Likewise.
8900 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8902 * Makefile.in (tlink.o): Don't depend on toplev.h.
8904 * collect2.c (c_file, o_file, export_file, import_file, ldout,
8905 output_file, nm_file_name, ldd_file_name, strip_file_name,
8906 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
8907 add_prefix, prefix_from_env, prefix_from_string, do_wait,
8908 fork_execute, maybe_unlink, add_to_list,
8909 extract_init_priority, write_list, dump_list,
8910 dump_prefix_list, write_list_with_asm, write_c_file,
8911 write_c_file_stat, write_c_file_glob, scan_prog_file,
8912 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
8913 ignore_library, extract_string, notice, dump_file, target_machine,
8914 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
8915 read_file, print_load_command): Constify a char*.
8916 (fdopen, error, fatal, fatal_perror): Don't prototype.
8917 (my_strerror): Remove. All callers use xstrerror instead.
8918 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
8919 (main): Add prototype. Constify lots of char* ptrs. Change calls
8920 to xcalloc/strcpy/strcat/... to one call to concat.
8921 (main, scan_prog_file, scan_libraries): Use an intermediate
8922 `const char **' to build an argv array.
8923 (mapfile, libselect, libcompare, locatelib): Add prototypes.
8925 * collect2.h (collect_execute, collect_wait, dump_file,
8926 file_exists): Constify a char*.
8927 (ldout, c_file_name, temporary_obstack, permanent_obstack,
8928 temporary_firstobj, vflag, debug): Add extern declarations.
8929 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
8931 * tlink.c: Don't include toplev.h.
8932 (vflag, debug, ldout, c_file_name, temporary_obstack,
8933 permanent_obstack, temporary_firstobj): Don't declare.
8934 (tlink_execute, frob_extension, symbol_hash_lookup,
8935 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
8936 recompile_files, read_repo_files, demangle_new_symbols,
8937 scan_linker_output): Constify a char*.
8938 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
8939 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
8941 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
8943 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
8944 (relative) rather than jsr (absolute) subroutine call insns.
8945 * config/m68k/m68k-coff.h: Ditto.
8947 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
8949 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
8950 now rework these too.
8951 (arm_reorg): If an insn can't reach the end of the current pool,
8952 ensure that we emit that pool before the insn.
8954 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
8956 * tlink.c (scan_linker_output): Skip the initial underscore in
8957 a mangled name if appropriate.
8959 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8961 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
8962 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
8963 error_with_ivar, gen_declarator, create_builtin_decl,
8964 my_build_string, generate_descriptor_table, generate_ivars_list,
8965 generate_dispatch_table, check_protocols, TAG_GETCLASS,
8966 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
8967 dump_base_name, lang_decode_option, build_encode_expr,
8968 start_class, finish_class, encode_pointer, really_start_method,
8969 gen_declaration, dump_interface, handle_class_ref, handle_impent):
8971 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
8972 Add static prototypes.
8973 (build_objc_string_decl, build_selector_reference_decl,
8974 encode_bitfield, build_class_reference_decl): Remove unused
8975 parameter, all callers changed.
8976 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
8977 (objc_printable_name): Likewise. Change second parameter to type int.
8978 (init_objc): Use memcpy, not bcopy, to avoid casts.
8980 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
8982 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
8983 reg notes on a deleted insn.
8984 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
8986 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
8988 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
8990 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8992 * stmt.c (expand_asm_operands): Fix index into inout_mode when
8995 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
8997 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
8998 * tm.texi (MD_ASM_CLOBBERS): Document it.
9000 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
9002 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
9003 * except.c (expand_rethrow): Remove unused variable.
9004 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
9005 * flow.c (replace_insns): Likewise.
9006 (create_edge_list, verify_edge_list): Likewise.
9007 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
9009 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
9010 is special code to run.
9011 (main): Don't define operands to emit_operand.
9012 * genrecog.c (main): Don't emit an empty peephole2_insn function.
9014 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
9016 * alpha/alpha.h (normal_memory_operand): Declare.
9017 (reg_no_subreg_operand): Declare.
9018 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
9020 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
9022 * c-parse.in (compstmt_primary_start): New, broken out of first
9023 part of compstmt handling in primary.
9024 (primary): Use it. Add an error clause.
9025 (compstmt_nostart): Renamed from compstmt; remove all
9026 initial invocations of compstmt_start.
9029 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
9031 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
9034 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
9036 * combine.c (simplify_shift_const): Remove extra semicolon.
9037 * dwarf2out.c (remove_AT): Likewise.
9038 * expmed.c (expand_mult): Likewise.
9039 * gcov.c (create_program_flow_graph): Likewise.
9040 * reorg.c (mostly_true_jump): Likewise.
9042 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
9044 * fold-const.c (fold_range_test): Do not try to fold the range
9045 test if the rhs or lhs has side effects.
9047 * combine.c (simplify_rtx): Recognize another case of a synthesized
9050 * varasm.c (mark_constant_pool): When marking indirect references,
9051 only look at SYMBOL_REFs.
9053 * except.c (expand_fixup_region_end): Do not peek at
9054 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
9056 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
9058 * flags.h: New variables align_loops, align_loops_log,
9059 align_jumps, align_jumps_log, align_labels, align_labels_log,
9060 align_functions, align_functions_log.
9061 * toplev.c: Define them.
9062 (f_options): Handle -falign-* when they have no argument.
9063 (main): Add logic to set variables for -falign-functions,
9064 -falign-jumps, -falign-labels, -falign-loops.
9065 Make it -fsched-verbose=<n> and -finline-limit=<n>.
9066 (display_help): Change help to match options.
9067 * final.c (LABEL_ALIGN): Default to align_labels_log.
9068 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
9069 (LOOP_ALIGN): Default to align_loops_log.
9070 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
9071 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
9072 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
9073 * varasm.c (assemble_start_function): Handle align_functions.
9075 * config/sparc/sparc.h: Don't declare sparc_align_*.
9076 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
9077 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
9079 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
9081 * config/sparc/sparc.c: Delete sparc_align_loops,
9082 sparc_align_jumps, sparc_align_funcs and the corresponding string
9084 (sparc_override_options): Default align_functions on ultrasparc.
9085 Delete -malign-* handling.
9087 * config/mips/mips.c (override_options): On 64-bit targets,
9088 try to align code to 64-bit boundaries.
9089 (print_operand): New substitution, %~,
9090 which aligns labels to align_labels_log.
9091 * config/mips/mips.md (div_trap_normal): Use %~.
9092 (div_trap_mips16): Likewise.
9097 (ashldi3_internal): Likewise.
9098 (ashrdi3_internal): Likewise.
9099 (lshrdi3_internal): Likewise.
9100 (casesi_internal): Likewise.
9102 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
9104 Merge new ia32 backend from the branch!
9106 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
9107 See ChangeLog.P2 on new_ia32_branch for details.
9109 * rtl.h (stack_regs_mentioned_p): Delete prototype.
9110 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
9111 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9112 * i386/gas.h (ASM_FILE_START): Define.
9113 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
9114 for name change of ix86_valid_decl_attribute_p.
9115 (i386_pe_valid_type_attribute_p): Similarly.
9117 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
9119 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
9120 to step through CC modes.
9122 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9124 * regmove.c (fixup_match_1): Don't move INSN in front of P if
9125 it would end up in the shadow of a live flags regsiter.
9127 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9129 * reload1.c: Fix many indentation problems.
9130 * reload.c: Likewise.
9132 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
9134 * alias.c (non_local_reference_p): Constify fmt.
9136 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
9138 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
9140 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
9142 * cse.c (delete_trivially_dead_insns): Do not delete stores to
9143 the internal_arg_pointer.
9145 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
9147 Merge peephole2 from new_ia32_branch:
9148 * Makefile.in (STAGESTUFF): Add *.peephole2.
9149 (mostlyclean): Likewise.
9150 (recog.o): Depend on resource.h.
9152 * final.c (peephole): Conditionalize decl on HAVE_peephole.
9153 (final_scan_insn): Likewise for the invocation of peephole.
9154 * genconfig.c (main): Look for peephole and peephole2 patterns.
9155 Emit HAVE_peephole* accordingly.
9156 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
9157 * flags.h (flag_peephole2): Declare.
9158 * toplev.c: New pass peephole2. New flag -fpeephole2.
9160 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
9161 * gencodes.c (main): Likewise.
9162 * genextract.c (main): Likewise.
9163 * genoutput.c (main): Likewise.
9164 * genemit.c (max_operand_1): Look for the max scratch operand.
9165 (gen_rtx_scratch): New.
9166 (gen_exp): Use it, and pass on new arg subroutine_type.
9167 (gen_expand): Take max scratch into account.
9168 (gen_split): Emit peephole2 functions.
9169 (output_peephole2_scratch): New.
9170 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
9171 * genrecog.c (routine_type): Add PEEPHOLE2.
9173 (make_insn_sequence): Match outer parallel for peep2. Discard
9174 top level scratches and dups.
9175 (add_to_sequence): New args insn_type and top. Update all callers.
9176 Handle toplevel peep2 matching insns.
9177 (write_subroutine): Handle peep2.
9178 (write_tree_1): Likewise.
9179 (write_tree): Likewise.
9181 (change_state): New arg afterward. Update all callers.
9182 Handle matching separate insns.
9183 * recog.c (recog_next_insn): New.
9184 (peephole2_optimize): New.
9185 * rtl.def (DEFINE_PEEPHOLE2): New.
9186 * resource.c (find_free_register): New argument last_insn. Use it
9187 to find a register available through the entire span.
9188 * resource.h (find_free_register): Update prototype.
9190 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
9192 * i386.c (output_strlen_unroll): Don't write xops[7]
9193 label if it wasn't set.
9195 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
9197 * cpplib.c (struct directive): Const-ify name pointer and
9198 function pointer prototype.
9199 (validate_else, do_define, do_line, do_include, do_undef,
9200 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
9201 do_elif, do_endif, do_sccs, do_assert, do_unassert,
9202 do_warning): Const-ify second arg.
9203 (directive_table): Mark const. Reorder entries by frequency
9204 of usage, record statistics.
9206 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
9208 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
9209 bounds- check RTL accesses if --enable-checking.
9210 (RTVEC_ELT): Bounds check if --enable-checking.
9211 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
9212 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
9213 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
9215 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
9216 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
9218 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
9219 (NOTE_SOURCE_FILE): Use X0STR.
9220 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
9221 MEM_ALIAS_SET): Use X0INT.
9222 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
9223 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
9225 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
9226 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
9227 (rtl_check_failed_bounds, rtl_check_failed_type1,
9228 rtl_check_failed_type2, rtvec_check_failed_bounds): New
9230 (fancy_abort): Fix comment.
9232 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
9233 (cse_insn): Decrement LABEL_NUSES for jump target before
9235 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
9236 * final.c (alter_subreg): Compute regno before changing x to
9237 REG; set REGNO(x) after changing it.
9238 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
9239 notes containing CONST_INTs.
9240 (delete_eh_regions): Use NOTE_EH_HANDLER.
9241 * function.c (put_reg_into_stack): Make reg a MEM before
9243 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
9245 (gen_mem_addressof): Make reg a MEM before initializing it.
9246 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
9248 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
9249 deleting an insn, not after.
9250 (block_alloc): Only look at PATTERN(insn) if we have to, and
9251 only if it's format class 'i'.
9252 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
9253 CONST_INT before using its INTVAL.
9254 * print-rtl.c (print_rtx): Use X0STR.
9255 * regmove.c (fixup_match_1): Don't look at PATTERN of
9256 non-class-'i' insn chain elements.
9257 * reload.c (loc_mentioned_in_p): Take address of
9258 in->fld[1].rtx directly.
9259 * reload1.c (reload): Change reg to a MEM before initializing
9261 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
9263 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
9265 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
9267 * config/mips/mips.c (machine_dependent_reorg): Force a
9268 barrier to output the local constant pool if a barrier hasn't
9269 been found at a natural point in the instruction stream.
9271 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9273 * c-parse.in (language_string): Constify.
9275 * dwarf2out.c (language_string): Remove declaration.
9277 * dwarfout.c (language_string): Likewise.
9279 * toplev.c (language_string, init_parse, finish_parse): Likewise.
9281 * tree.h (language_string, init_parse, finish_parse): Declare.
9283 * i386/sun386.h (language_string): Remove declaration.
9285 * mips.h (language_string): Likewise.
9287 * nextstep.h (language_string): Likewise.
9289 * nextstep21.h (language_string): Likewise.
9291 * rs6000.c (language_string): Likewise.
9293 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9295 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
9296 (getpwd.o): Remove target.
9298 * getpwd.c: Delete file. Its in libiberty now.
9300 * dbxout.c (getpwd): Don't prototype.
9301 * dwarf2out.c (getpwd): Likewise
9302 * dwarfout.c (getpwd): Likewise
9303 * final.c (getpwd): Likewise.
9304 * protoize.c (getpwd): Likewise.
9306 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9308 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
9310 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9312 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
9315 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
9317 * fixinc/Makefile.in (subdir): New.
9318 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
9321 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
9323 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
9324 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
9327 * invoke.texi: Fix typo.
9329 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
9330 changed. Handle autoincrement addressing modes.
9332 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
9333 just like we would the virtual incoming args register when
9336 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
9338 * rs6000.h (ASM_FILE_START): Specify complete filename, including
9339 path, in .file directive.
9341 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
9343 * gcc.texi (External Bugs): Remove obsolete note about Perl on
9346 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
9348 * stdbool.h: Make the typedef name _Bool, with bool a #defined
9351 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9353 * tree.c (tree_code_name): Constify a char*.
9355 * tree.h (tree_code_name, decl_printable_name): Likewise.
9357 * function.h (struct function): Likewise.
9359 * toplev.c (decl_name, decl_printable_name): Likewise.
9361 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
9363 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
9364 (init_objc): Remove function pointer cast.
9366 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9368 * pa.md (interspace_jump): New pattern.
9369 (builtin_longjmp): New expander.
9371 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
9373 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
9374 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
9375 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
9377 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
9379 * jump.c (delete_prior_computation): Also check calls
9380 to constant functions. Don't bother checking for a
9381 REG_UNUSED note before adding it.
9382 (delete_computation): Handle multi-word hard registers
9383 when synthesizing missing REG_DEAD notes for a register
9384 which is both set and used by an insn.
9386 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9388 * loop.c (this_loop_info): New variable.
9389 (loop_has_call, loop_has_volatile, loop_has_tablejump,
9390 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
9392 (prescan_loop, strength_reduce): New argument loop_info. All callers
9394 (scan_loop): New variable loop_info, initialise to address of
9396 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
9397 Delete variable loop_has_multiple_exit targets and replace with
9398 field in this_loop_info.
9399 (find_and_verify_loops): Rename this_loop to this_loop_num.
9400 (strength_reduce): Delete loop_iteration_info. Replace variable
9401 loop_info with function argument of same name.
9402 (insert_bct): Rework test for loop being completely unrolled.
9404 * loop.h (struct loop_info): New fields num, loops_enclosed,
9405 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
9406 has_indirect_jump, and cont. Redefine use of unroll_number.
9407 (loop_unroll_number): Delete.
9409 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
9411 (loop_iterations): Delete variable vtop and instead use
9412 loop_info->vtop computed in prescan_loop.
9414 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
9416 * fix-header.c (main): Do not pass a null pointer to strcmp.
9418 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
9420 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
9422 * configure: Rebuilt.
9424 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
9426 * jump.c (jump_optimize_1): Do not delete assignments to
9427 internal_arg_pointer.
9428 * cse.c (delete_trivially_dead_insns): Always consider a set of
9429 the internal_arg_pointer live.
9431 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
9433 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
9434 (update_life_info) [REG_WAS_0]: Search the original insns rather
9435 than the new insns for the note. Fix typos finding note_dest.
9436 If no dest found, discard the note rather than abort.
9437 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
9438 (replace_insns): Remove the old insn list after update_life_info
9441 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
9443 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
9445 (sched_analyze_1): Let add_dependence care for not adding dups.
9446 (sched_analyze_2): Likewise.
9447 (add_branch_dependences): Likewise.
9449 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
9451 * i386/winnt.c (export_list): New type.
9452 (exports_head): Rename to
9453 (export_head): this.
9454 (i386_pe_record_exported_symbol): Add is_data flag.
9455 (i386_pe_asm_file_end): Emit directive for exported variables.
9456 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
9458 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
9459 (ASM_DECLARE_OBJECT_NAME): Likewise.
9460 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9461 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
9463 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
9465 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
9467 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
9470 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
9472 * config/openbsd.h: Define SET_ASM_OP.
9473 * tm.texi: cross-reference SET_ASM_OP in the index.
9475 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
9477 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
9478 for a CONST_DOUBLE, at compile time. Initialize rtx_length
9479 and class_narrowest_mode at compile time. Kill init_rtl.
9480 Mark rtx_length, mode_class, mode_size, mode_unit_size,
9481 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
9482 rtx_format as const. Kill all references to EXTRA_CC_MODES or
9484 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
9486 * rtl.h: Declare rtx_length and rtx_format as const.
9487 * machmode.def: Define CC(). Use CC() to define CCmode. If
9488 EXTRA_CC_MODES is defined, expand it here.
9489 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
9490 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
9491 const. Kill all references to EXTRA_CC_MODES.
9493 * toplev.c: Don't prototype or call init_rtl.
9494 * optabs.c: Don't call init_mov_optab.
9495 * genemit.c: Don't generate init_mov_optab. Don't call
9497 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
9499 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
9500 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
9501 genrecog.c: Don't call init_rtl.
9503 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
9504 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
9505 definition of EXTRA_CC_MODES.
9507 * md.texi: Kill ref to EXTRA_CC_NAMES.
9508 * tm.texi: Document new way to define EXTRA_CC_MODES.
9510 * genrecog.c: Do not look up the name of a define_split.
9513 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
9515 * config/v850/v850.md: Fix typo introduced by previous delta.
9517 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9519 * gcc.c (fatal): Make definition static to match prototype.
9521 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9523 * combine.c (get_last_value): Don't look for earlier sets if the last
9524 known set is somewhere in between the insns being combined.
9526 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
9528 * configure.in: Don't use shell ! to negate exit codes
9529 * configure: Regenerate
9531 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
9533 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
9534 the fact that ALIGN is measured in bits, not bytes.
9536 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
9538 * errors.c: New file; defines functions error, warning, and
9539 fatal, variables have_error and progname.
9540 * errors.h: New file; prototypes and decls for stuff in errors.c.
9542 * Makefile: Add rules to build errors.o and
9543 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
9544 genopinit, genrecog, genextract, genpeep, genattr, and
9545 genoutput with errors.o. Add errors.h to deps of genconfig.o,
9546 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
9547 genpeep.o, genattr.o, and genoutput.o.
9549 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
9550 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
9551 define or prototype fatal. Set progname at beginning of main.
9552 * genoutput.c: Likewise, and don't define or prototype error
9555 * c-typeck.c (c_expand_start_case): Return immediately if exp
9557 * fold-const.c (operand_equal_p): Return immediately if arg1
9558 or arg0 are ERROR_MARKs.
9559 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
9560 fields of type ERROR_MARK when calculating if the record can
9563 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
9564 with much help from Jeffrey A Law and Richard Henderson
9566 * i386.md: In the 6 insns which call output_fix_trunc,
9567 earlyclobber operands[0].
9569 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
9571 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
9572 creating new registers.
9574 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
9576 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
9577 i386_reg_alloc_order, i386_regparm_string,
9578 i386_align_loops_string, i386_align_jumps_string,
9579 i386_align_funcs_string, i386_preferred_stack_boundary_string,
9580 and i386_branch_cost_string as type "const char *".
9581 * i386.c: Define all above strings as type "const char *".
9583 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
9585 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
9586 when emitting alignment padding. Emit padding byte of 0 instead of 4.
9588 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
9590 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
9591 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
9593 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
9595 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
9596 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
9597 (dwarf2out_line, dwarf2out_finish): Likewise.
9598 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
9600 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9602 * tree.c (lang_unsave_expr_now) : Correct return type.
9603 * tree.h (lang_unsave_expr_now) : Same.
9605 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
9607 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
9608 instead of duplicating code.
9610 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9612 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
9614 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
9616 * tree.h: fancy_abort always takes three args.
9617 * resource.c: Move include of system.h before toplev.h.
9619 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
9621 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
9624 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
9626 * system.h: Don't redefine abort or trim_filename.
9627 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
9628 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
9629 whether or not __FUNCTION__ is available.
9630 * tree.h: Duplicate rtl.h's definition of abort, for files
9631 that don't include rtl.h. Delete all code to perform type
9632 checking with a compiler other than GCC.
9633 * varray.h: Delete all code to perform type checking with a
9634 compiler other than GCC. Make VARRAY_CHECK() always evaluate
9635 its arguments exactly once, using a statement expression.
9636 Adjust the VARRAY_<type> accessor macros to match.
9637 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
9638 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
9639 caller's location. Define fatal_insn and fatal_insn_not_found
9640 as macros that use _fatal_insn and _fatal_insn_not_found.
9641 (fancy_abort, trim_filename): Kill prototypes.
9643 * rtl.c (trim_filename): Move here from toplev.c.
9644 (fancy_abort): New function.
9645 (DIR_SEPARATOR): Provide default definition.
9646 * tree.c (tree_check_failed, tree_class_check_failed): Go
9647 through fancy_abort.
9648 (tree_check, tree_class_check, cst_or_constructor_check,
9649 expr_check): Delete.
9650 * varray.c (varray_check_failed): New function.
9651 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
9652 _fatal_insn and _fatal_insn_not_found. Go through
9654 (trim_filename, fancy_abort): Delete.
9656 * builtins.c (expand_builtin_args_info): Report ICE with abort.
9657 * except.c (start_catch_handler): Report ICE with error/abort
9659 * final.c (output_operand_lossage): Likewise.
9660 * flow.c (verify_flow_info): Likewise.
9662 * gcc.c: Prototype fatal.
9663 * gengenrtl.c: Undef abort after including rtl.h not system.h.
9664 * genattr.c, genattrtab.c, genemit.c, genextract.c,
9665 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
9666 Don't define fancy_abort.
9668 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
9670 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
9673 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
9675 * m88k.h (VERSION_INFO2): Kill.
9676 (VERSION_STRING): Kill.
9678 (VERSION_INFO1): Tidy.
9679 (TARGET_VERSION): Update.
9680 * m88k/dgux.h (VERSION_INFO2): Kill.
9681 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
9682 * m88k/luna.h (VERSION_INFO1): Tidy.
9683 * m88k/sysv4.h (VERSION_INFO1): Likewise.
9684 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
9685 (output_file_start): Adjust for death of VERSION_STRING.
9687 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
9689 * cpplib.c (detect_if_not_defined): New function.
9690 (do_if): Use it to detect potential once-only headers.
9692 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
9694 * c-common.c (combine_strings): Always set TREE_CONSTANT.
9696 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
9698 * combine.c (nonzero_bits) : Allow single-ly set registers to be
9699 anywere in the function only if they are pseudos and set before
9700 being used (not live at the start of the function).
9701 (num_sign_bit_copies) : Same.
9702 (get_last_value_validate) : Same.
9703 (get_last_value) : Same.
9705 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
9707 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
9708 where N and M are constant and N is an integer multiple of M.
9710 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9712 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
9713 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
9714 sbitmap_union_of_preds): Add prototypes.
9715 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
9716 the intersection of successors with the new flow graph structures.
9717 (sbitmap_intersection_of_preds): New function to compute the
9718 intersection of predecessors with the new flow graph structures.
9719 (sbitmap_union_of_succs): New function to compute the union of
9720 successors with the new flow graph structures.
9721 (sbitmap_union_of_preds): New function to compute the union of
9722 predecessors with the new flow graph structures.
9723 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
9724 (expr_reaches_here_p): Use edge and basic_block structures instead
9725 of s_preds and s_succs.
9726 (compute_cprop_avinout): Use new sbitmap routines.
9727 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
9728 of s_preds and s_succs.
9729 * flow.c (compute_flow_dominators): Compute dominators using
9730 edges and basic blocks instead of s_preds and s_succs.
9732 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9734 * lists.c (unused_insn_list, unused_expr_list): New file for
9735 maintaining various types of lists. New statics for maintaining a
9736 cache of available INSN_LIST and EXPR_LIST nodes.
9737 (free_list): Static function for freeing a list of INSN/EXPR nodes.
9738 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
9739 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
9740 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
9741 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
9742 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
9743 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
9744 (free_INSN_LIST_node): Free an individual INSN_LIST node.
9745 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
9746 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
9747 (remove_dependence, free_pending_lists): Use new global routines.
9748 (flush_pending_lists, sched_analyze_insn): Use new global routines.
9749 (sched_analyze, compute_block_backward_dependences): Use new routines.
9750 (sched_analyze_1, sched_analyze_2): Use new routines.
9751 (schedule_insns): Use new global routines.
9752 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
9754 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
9755 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
9757 * toplev.c (rest_of_compilation): Initialize node cache.
9758 * Makefile.in (OBJS): Add lists.o to list of object files.
9759 (lists.o): Add dependancies.
9761 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
9763 * config/v850/v850.md: Fix compile time warning messages.
9764 * config/v850/v850.c: Fix compile time warning messages.
9765 * config/v850/v850.h: Fix compile time warning messages.
9767 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9769 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
9770 Remove unused prototype for `init_lengths'.
9772 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9774 * calls.c (emit_call_1): Mark parameter `stack_size' with
9776 (expand_call): Initialize variable `insn'.
9777 (emit_library_call): Likewise for variable `high_to_save'.
9778 (emit_library_call_value): Likewise.
9779 (store_one_arg): Likewise for variables `lower_bound' and
9782 * combine.c (try_combine): Likewise for variables `i2_code_number'
9783 and `other_code_number'.
9784 (find_split_point): Likewise for variables `pos', `unsignedp' and
9786 (simplify_if_then_else): Likewise for variables `op' and `c1'.
9787 (simplify_and_const_int): Remove unused variable `width'.
9788 (merge_outer_ops): Likewise.
9790 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
9791 HOST_WIDE_INT' when comparing against one.
9792 (simplify_relational_operation): Likewise.
9793 (cse_insn): Initialize variables `src_eqv_volatile',
9794 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
9796 * final.c (init_final): Constify parameter `filename'.
9797 (final_start_function): Mark parameter `optimize' with
9799 (profile_function): Likewise for parameters `first' and `optimize'.
9800 (output_source_line): Likewise for parameter `file'.
9802 * integrate.c (subst_constants): Cast a value to `size_t' when
9803 comparing against one.
9804 (mark_stores): Initialize variable `mode'. Cast a value to
9805 `size_t' when comparing against one.
9807 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
9809 * loop.c (move_movables): Initialize variable `first'.
9810 (strength_reduce): Likewise for variable `increment'.
9811 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
9812 value to `size_t' when comparing against one.
9813 (load_mems): Initialize variable `end_label'.
9815 * output.h (init_final): Constify parameter.
9817 * reload.c (decompose): Initialize variable `base'.
9819 * reload1.c (reload): Likewise for variable `is_scalar'.
9820 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
9821 (choose_reload_regs): Initialize variable `mode'.
9822 (emit_reload_insns): Likewise for variable `store_insn'.
9823 (reload_cse_noop_set_p): Mark parameter `insn' with
9825 (reload_combine): Initialize variable `set'.
9827 * unroll.c (unroll_loop): Likewise for variable `local_label'.
9828 (copy_loop_body): Cast a value to `size_t' when comparing against
9831 * varasm.c (assemble_variable): Initialize variable `size_tree'.
9832 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
9833 (remove_from_pending_weak_list): Mark parameter `name' with
9836 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9838 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
9841 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
9843 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
9844 (ASM_DECLARE_FUNCTION_NAME): Define.
9845 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
9846 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
9847 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
9848 not already defined.
9850 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9852 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
9853 of n_popped when call/call_value are not defined.
9855 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
9857 * tm.texi: GNU CC -> GCC conversion.
9858 (CC1_SPEC): Indicate it is used for all language front ends.
9860 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
9862 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
9863 NOTE_INSN_EH_REGION_END correctly.
9865 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9866 Jeff Law <law@cygnus.com>
9868 * loop.c (strength_reduce): Automatically unroll loops if the
9869 unrolled loop size is smaller than the rolled loop size.
9871 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
9872 and delete comment that code should be rewritten.
9874 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
9876 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
9879 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
9881 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9883 * fixinc/mkfixinc.sh: Don't fix uwin headers.
9884 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
9885 (LINK_SPEC): Add -u _main when building executables.
9886 (ASM_DECLARE_FUNCTION): Update from Cygwin.
9887 (ASM_FILE_END): Use the default for ix86-pe.
9888 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
9890 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
9892 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
9893 and ASM_CLOSE_PAREN are empty strings.
9895 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
9896 Geoffrey Keating <geoffk@cygnus.com>
9898 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
9899 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
9900 (unprotoize.o): Ditto.
9901 (test-protoize-simple): Don't define STD_PROTO_DIR.
9902 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
9903 changes to make 'test-protoize-simple' pass.
9904 (STD_PROTO_DIR): Remove define.
9905 (STANDARD_EXEC_PREFIX): Supply default define.
9906 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
9907 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
9908 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
9909 (GET_ENV_PATH_LIST): New macro.
9910 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
9911 (do_processing): Initialize default_syscalls_dir using new
9912 macros. Use it to initialize syscalls_absolute_filename.
9914 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
9916 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
9917 B into a register before emit_conditional_move.
9919 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
9921 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
9922 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
9923 multiplicand out of (+ (* a b) (* c d)).
9925 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
9926 Richard Henderson <rth@cygnus.com>
9928 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
9929 (new_insn_dead_notes): Likewise.
9930 (update_n_sets): Likewise.
9931 (update_flow_info): Move to flow.c, renamed to update_life_info;
9932 extend to handle multiple source insns.
9933 * flow.c: Include resource.h
9934 (unlink_insn_chain): New.
9935 (split_hard_reg_notes): New.
9936 (maybe_add_dead_note): New.
9937 (maybe_add_dead_note_use): New.
9938 (find_insn_with_note): New.
9939 (new_insn_dead_notes): New.
9940 (update_n_sets): New.
9941 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
9942 (maybe_remove_dead_notes): New.
9943 (update_life_info): New.
9944 (prepend_reg_notes): New.
9945 (replace_insns): New.
9946 * output.h (update_life_info): Declare.
9947 * recog.c (split_block_insns): Use update_life_info.
9948 * resource.c (find_free_register): Use reg_alloc_order, don't use
9949 fixed regs, make sure the mode is supported, don't use new regs.
9951 * rtl.h (replace_insns): Declare.
9953 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
9955 * expr.c (expand_expr): Cope with COND_EXPRs with one
9956 non-returning branch.
9958 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
9960 * expr.c (store_expr): Always pass down the target, even when not
9963 1999-08-24 Nick Clifton <nickc@cygnus.com>
9965 * configure.in: Define target_cpu_default for v850 targets.
9966 * configure: Regenerate
9968 * config/v850/v850.h (TARGET_CPU_generic): Define.
9969 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
9970 addresses are 4 byte aligned.
9972 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
9975 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9977 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
9978 (main): Add prototypes.
9980 * genattrtab.c (substitute_address, write_const_num_delay_slots,
9981 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
9982 (write_attr_get): Emit prototypes along with function definition.
9983 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
9984 (write_complex_function): Emit static prototype along with
9985 function definition.
9987 * genemit.c (gen_split): Emit prototypes along with function
9990 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
9991 Likewise for predicates and `insn_operand_predicate'.
9992 (process_template): Emit static prototype along with function
9995 * genrecog.c (make_insn_sequence): Constify a char*. Add
9996 prototypes for get_split_*().
9997 (write_subroutine): Emit prototypes along with function
10000 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10002 * gcse.c (find_avail_set): Follow chains of register-register copies.
10003 Use oprs_not_set_p to guarantee that the returned value can be
10005 (cprop_insn): Don't verify the return value of find_avail_set with
10008 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
10009 (cprop_cc0_jump): New function.
10010 (cprop_insn): Break out new function cprop_jump and use it.
10011 Also use cprop_cc0_jump for machines with CC0.
10012 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
10014 * tree.h (current_function_calls_setjmp,
10015 current_function_calls_longjmp): Delete declarations.
10016 * dsp16xx.c: Include "function.h".
10017 * elxsi.c: Likewise.
10018 * gmicro.c: Likewise.
10019 * h8300.c: Likewise.
10020 * i370.c: Likewise.
10021 * m32r.c: Likewise.
10022 * mn10200.c: Likewise.
10023 * mn10300.c: Likewise.
10024 * ns32k.c: Likewise.
10025 * spur.c: Likewise.
10026 * v850.c: Likewise.
10028 * rtl.h (rtx_equal_function_value_matters): Declare.
10029 * toplev.c (rtx_equal_function_value_matters): Don't declare.
10031 * function.c: Likewise.
10032 * emit-rtl.c: Likewise.
10034 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
10036 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
10039 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10041 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
10044 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
10046 * cpp.texi: Add a node documenting macro varargs (copied
10049 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
10051 * cppspec.c: Put a null pointer at the end of the new argv.
10053 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
10055 * configure.in: Remove code to select/de-select the haifa
10056 scheduler. Every scheduled port gets haifa now.
10057 * configure: Rebuilt.
10058 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
10060 * Makefile.in: Corresponding changes.
10062 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10064 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
10065 All callers changed.
10066 (prepare_float_lib_cmp): Likewise.
10067 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
10068 * expr.h (emit_float_lib_cmp): Delete declaration.
10069 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
10070 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
10071 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
10073 (cmptf): Now conditional on TARGET_HARD_QUAD.
10075 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
10077 * resource.c (mark_target_live_regs): Use
10078 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
10080 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10082 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
10084 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
10086 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
10088 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10090 * rtl.h (rtx_format): Constify a char*.
10092 * rtl.c (rtx_format): Likewise.
10093 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
10094 (init_rtl): Use accessor macro, not `rtx_format'.
10096 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
10099 * caller-save.c (mark_referenced_regs): Likewise.
10101 * combine.c (subst, make_compound_operation, known_cond,
10102 gen_rtx_combine, update_table_tick, get_last_value_validate,
10103 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
10105 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
10106 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
10107 count_reg_usage): Likewise.
10109 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
10112 * final.c (leaf_renumber_regs_insn): Likewise.
10114 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
10115 dump_edge_info, count_reg_references): Likewise.
10117 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
10118 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
10121 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
10122 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
10123 add_label_notes): Likewise.
10125 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
10126 clear_struct_flag, count_sub_rtxs, count_alternatives,
10127 compares_alternatives_p, contained_in_p, walk_attr_value,
10128 write_expr_attr_cache): Likewise.
10130 * genconfig.c (walk_insn_part): Likewise.
10132 * genemit.c (max_operand_1, gen_exp): Likewise.
10134 * genextract.c (walk_rtx): Likewise.
10136 * genflags.c (num_operands): Likewise.
10138 * genoutput.c (scan_operands): Likewise.
10140 * genpeep.c (match_rtx): Likewise.
10142 * genrecog.c (add_to_sequence): Likewise.
10144 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
10147 * integrate.c (save_constants, copy_for_inline,
10148 copy_rtx_and_substitute, subst_constants, restore_constants):
10151 * jump.c (mark_jump_label, invert_exp, redirect_exp,
10152 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
10154 * local-alloc.c (contains_replace_regs, memref_referenced_p):
10157 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
10158 add_label_notes, replace_call_address, count_nonfixed_reads,
10159 invariant_p, find_single_use_in_loop, find_mem_givs,
10160 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
10163 * print-rtl.c (reg_names, print_rtx): Likewise.
10165 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
10167 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
10168 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
10169 print_blocks): Likewise.
10171 * regclass.c (fix_register, record_address_regs,
10172 reg_scan_mark_refs): Likewise.
10174 * regmove.c (stable_but_for_p): Likewise.
10176 * reload.c (loc_mentioned_in_p, operands_match_p,
10177 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
10178 copy_replacements, refers_to_regno_for_reload_p,
10179 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
10180 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
10183 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
10184 delete_address_reloads_1, count_occurrences,
10185 reload_cse_mem_conflict_p, reload_combine_note_use,
10186 add_auto_inc_notes): Likewise.
10188 * resource.c (mark_referenced_resources, mark_set_resources):
10191 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
10192 reg_mentioned_p, regs_set_between_p, modified_between_p,
10193 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
10194 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
10195 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
10196 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
10198 * sched.c (sched_analyze_2, attach_deaths): Likewise.
10200 * stupid.c (stupid_mark_refs): Likewise.
10202 * unroll.c (remap_split_bivs): Likewise.
10204 * varasm.c (mark_constants): Likewise.
10206 * a29k/a29k.c (uses_local_reg_p): Likewise.
10208 * alpha/alpha.c (summarize_insn): Likewise.
10210 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
10211 eliminate_lr2ip): Likewise.
10213 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
10215 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
10216 reg_mentioned_in_mem): Likewise.
10218 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
10219 symbolic_reference_mentioned_p): Likewise.
10221 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
10223 * sh/sh.c (regs_used, mark_use): Likewise.
10225 * vax/vax.c (vax_rtx_cost): Likewise.
10227 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10229 * machmode.h (mode_name): Constify a char*.
10231 * rtl.c (mode_name): Likewise.
10233 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
10235 * optabs.c (init_libfuncs): Constify a char*.
10237 * print-tree.c (mode_name): Remove redundant declaration.
10238 (print_node): Use accessor macro, not `mode_name'.
10240 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
10242 (new_spill_reg): Constify a char*.
10244 * tree.c (mode_name): Remove redundant declaration.
10246 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10248 * rtl.c (rtx_name): Constify a char*.
10250 * rtl.h (rtx_name, fix_sched_param): Likewise.
10252 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
10253 (mypr): Use accessor macro, not `rtx_name'.
10255 * genemit.c (print_code): Constify a char*.
10257 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
10259 * genpeep.c (print_code): Constify a char*.
10261 * genrecog.c (print_code): Likewise.
10263 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
10264 end_bb): Add static prototype.
10265 (draw_edge): Constify a char*.
10266 (end_bb): Remove unused parameter.
10268 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
10269 print_block_visualization): Constify a char*.
10271 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
10273 * c-common.c (c_get_alias_set): Update comment.
10275 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10277 * linux.h (LIB_SPEC): Added.
10279 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10281 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
10283 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
10285 * tree.c (expr_check): Fix typo in last change.
10287 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
10289 * rtl.def (NOTE): Change format to "iuu0n".
10290 (ADDR_DIFF_VEC): Change format to "eEee0".
10291 (ADDRESSOF): Change format to "eit".
10293 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
10294 (RTVEC_ELT): Change to match.
10295 (XVECEXP): Use XVEC and RTVEC_ELT.
10296 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
10297 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
10298 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
10299 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
10300 TRAP_CONDITION, TRAP_CODE): Use XEXP.
10301 (INTVAL): Use XWINT.
10302 (ADDRESSOF_DECL): Use XTREE.
10303 (SET_ADDRESSOF_DECL): Delete.
10304 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
10305 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
10306 ifdefed out since 2.6 at least.
10307 (gen_rtvec_vv): Delete prototype.
10309 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
10311 (copy_most_rtx): Handle 't' format letter.
10312 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
10313 (gen_rtvec_vv): Delete function. All callers changed to use
10314 gen_rtvec_v instead.
10315 * print-rtl.c (print_rtx): Move special casing of NOTEs to
10316 the '0' format letter.
10318 * function.c (gen_mem_addressof): Don't use
10319 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
10321 * integrate.c (copy_rtx_and_substitute): Likewise.
10322 Copy 't' slots with XTREE.
10323 (subst_constants): Treat 't' slots like '[swi]' slots.
10324 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
10325 * jump.c (rtx_equal_for_thread_p): Likewise.
10326 * rtlanal.c (rtx_equal_p): Likewise.
10327 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
10328 only four arguments.
10329 * gengenrtl.c (type_from_format): Provide correct types for
10333 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
10334 If a recent gcc is in use (always in stage2 and beyond), use
10335 statement expressions, so we don't make a function call unless
10336 the check fails. Evaluate arguments exactly once.
10337 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
10338 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
10340 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
10341 they evaluate their arguments exactly once, irrespective of
10342 the compiler in use.
10344 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
10345 is used by the currently-enabled check macros. This is:
10346 (tree_check_failed, tree_class_check_failed): For gcc.
10347 (tree_check, tree_class_check, cst_or_constructor_check,
10348 expr_check): For other compilers.
10350 * gencheck.c: Do not define any *_CHECK1 macros.
10352 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
10353 Mark Mitchell <mark@codesourcery.com>
10355 * c-common.c (c_get_alias_set): Fix support for poitners and
10358 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
10360 * alias.c: Include tree.h.
10361 (nonlocal_reference_p, mark_constant_function): New functions.
10362 * flow.c (life_analysis): Call mark_constant_function.
10363 * rtl.h (mark_constant_function): Declare it.
10365 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
10367 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
10368 unrecognisable switches.
10370 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10372 * loop.c (recombine_givs): Set ix field after sorting.
10373 (recombine_givs): Remove bogus index / giv lockstep looping.
10375 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10377 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
10379 (emit_store_flag_force): Use do_compare_rtx_and_jump.
10380 (do_cmp_and_jump): Formatting fixes.
10381 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
10382 do_compare_rtx_and_jump instead of compare_from_rtx.
10383 (do_compare_rtx_and_jump): New function; mostly copied from
10385 (do_jump_for_compare): Delete.
10386 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
10388 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
10389 of compare/do_jump_for_compare pairs.
10390 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
10391 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
10392 compare_from_rtx/do_jump_for_compare pairs.
10393 (do_jump_by_parts_equality): Likewise.
10394 (do_jump_by_parts_equality_rtx): Likewise.
10395 * expr.h (do_compare_rtx_and_jump): Declare.
10396 * optabs.c (prepare_cmp_insn): New function, contains most of the code
10397 that used to be in emit_cmp_insn.
10398 (cmp_available_p): New function.
10399 (prepare_operand): New function.
10400 (emit_cmp_and_jump_insn_1): New function, contains some code that used
10401 to be in emit_cmp_insn.
10402 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
10403 parameters to be pointers; don't emit final compare but modify some of
10404 the values pointed to by the args so the caller can perform the
10405 correct comparison.
10406 (expand_binop): Call emit_store_flag_force with signed forms of
10408 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
10409 emit_jump_insn pair.
10410 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
10411 emit_cmp_and_jump_insn_1. Call emit_queue.
10412 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
10414 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
10415 jump sets cc0 before deleting it.
10416 * integrate.c (expand_inline_function): Likewise.
10417 * unroll.c (unroll_loop): Similar changes in several places.
10418 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
10419 before deleting it.
10421 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10423 * Makefile.in (insn-recog.o): Update dependencies.
10424 * genrecog.c (main): Make generated file include "function.h".
10426 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
10428 * cse.c (cse_insn): Call never_reached_warning when a jump is
10429 changed to be unconditional.
10430 * flags.h: Declare warn_notreached.
10431 * flow.c (delete_block): Call never_reached_warning when
10432 a block is deleted.
10433 * jump.c (delete_barrier_successors): Call never_reached_warning
10434 when we delete everything after a BARRIER.
10435 (never_reached_warning): New function.
10436 * rtl.h: Declare never_reached_warning.
10437 * toplev.c (warn_notreached): New variable.
10438 (lang_independent_options): Set warn_notreached
10439 when -Wunreachable-code.
10440 (compile_file): We need line numbers for -Wunreachable-code.
10442 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
10444 * haifa-sched.c (insn_unit): Fix typo on out of range test.
10445 * sched.c (insn_unit): Likewise.
10447 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
10449 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
10451 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10453 * flow.c (create_edge_list): Use xmalloc, not malloc.
10455 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
10457 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
10458 C-style comments. Do not lose the character before double slash.
10460 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10462 * basic-block.h (struct edge_list): Stucture to maintain a vector
10464 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
10465 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
10466 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
10467 New function prototypes.
10468 * flow.c (create_edge_list): Function to create an edge list.
10469 (free_edge_list): Discards memory used by an edge list.
10470 (print_edge_list): Debug output showing an edge list.
10471 (verify_edge_list): Internal consistency check for an edge list.
10472 (find_edge_index): Function to find an edge index for a pred and succ.
10474 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
10476 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
10479 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
10481 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
10483 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10485 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10487 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
10489 * toplev.c (rest_of_compilation): Allow machine dependent
10490 reorganisation pass to place information into the RTL dump
10491 file if it so wishes.
10493 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
10495 * explow.c (hard_function_value): Use VOIDmode instead of
10497 * stmt.c (expand_return): Likewise.
10498 * stor-layout.c (get_best_mode): Likewise.
10500 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
10501 emit call instead of emit_insn call.
10503 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
10505 * configure.in: Handle --disable/enable-win32-registry.
10506 * install.texi: Document --disable/enable-win32-registry.
10507 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
10508 (WIN32_REGISTRY_KEY): New macro.
10509 * prefix.c: Use to enable/disable win32-specific code.
10510 (lookup_key): Use versioned key.
10511 * configure: Regenerate.
10512 * config.in: Likewise.
10514 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
10516 * cpplib.c (read_line_number): New fn, split out of...
10519 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10521 tree.c (lang_unsave_expr_now) : New.
10522 (unsave_expr_now): Call lang_unsave_expr_now.
10523 tree.h (lang_unsave_expr_now) : New.
10525 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
10527 * toplev.c (flag_new_exceptions): On by default.
10529 1999-08-13 Michael Meissner <meissner@cygnus.com>
10531 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
10533 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
10535 * dwarfout.c (fundamental_type_code): Return FT_boolean for
10536 INTEGER_TYPE with precision==1, it's __java_boolean.
10538 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10540 * global.c (prune_preferences): Move some invariants out of the
10543 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
10545 * configure.in (alpha*-dec-osf*): Add osf5.
10547 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
10549 * configure.in: Rework handling of ARM GNU/Linux slightly.
10550 (arm*-*-linux-gnuoldld): New target.
10551 * configure: Regenerate.
10552 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
10553 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
10554 * config/arm/linux-oldld.h: New file.
10555 * config/arm/linux-elf26.h: Don't include linux-elf.h.
10556 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
10558 * config/arm/linux-elf.h (ASM_SPEC): Define.
10559 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
10560 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
10561 for 26-bit APCS and old linker.
10562 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
10564 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
10565 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
10566 don't define `arm' or `arm_elf'.
10567 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
10568 MULTILIB_DIRNAMES): Define. Fix typo in comment.
10570 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
10572 * rtl.texi: Fix typo.
10574 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
10576 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
10578 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
10580 * extend.texi (C++ Signatures): Remove node.
10581 * invoke.texi: Remove discussion of -fhandle-signatures,
10582 signature, sigof, __signature__, and __sigof__.
10584 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
10586 * Makefile.in (JAVAGC): Removed.
10588 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
10590 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10592 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10594 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10596 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
10598 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
10599 a register that is already known to be a pointer.
10601 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
10603 * fixinc/inclhack.tpl: Only install assert.h conditionally.
10604 * fixinc/inclhack.sh: Regenerated.
10605 * fixinc/fixincl.sh: Regenerated.
10607 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
10609 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
10610 Fix documentation of -ansi flag to describe its C++ behavior.
10611 Remove bogus reference to GCC 2.9.
10613 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
10615 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
10616 note if it is non-NULL.
10618 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10620 * except.h (eh_nesting_info): Add new structure defintion.
10621 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
10622 (reachable_handlers, update_rethrow_references): Add function
10624 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
10625 a rethrow symbol instead of an integer exception region number.
10626 * flow.c (Make_edges): Use new exception nesting routines to determine
10627 which handlers are reachable from a CALL or asynchronous insn.
10628 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
10630 (delete_eh_regions): Update rethrow labels, and don't delete
10631 regions which are the target of a rethrow.
10632 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
10633 avoid overloading the SYMBOL_REF_USED flag.
10634 (rethrow_symbol_map): Use new rethrow_ref field.
10635 (rethrow_used): Use new rethrow_ref field.
10636 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
10637 of an integer. Fix formatting.
10638 (output_exception_table_entry): Use new rethrow_ref field.
10639 (can_throw): Check for EH_REGION_NOTE before deciding
10640 whether a CALL can throw or not.
10641 (scan_region): Call rethrow_used() instead of accessing data structure.
10642 (update_rethrow_references): New function to make sure only regions
10643 which are still targets of a rethrow are flagged as such.
10644 (process_nestinfo): New static function to initialize a handler
10645 list for a specific region.
10646 (init_eh_nesting_info): New function to allocate and initialize
10647 the list of all EH handlers reachable from all regions.
10648 (reachable_handlers): New function to retrieve the list of handlers
10649 reachable from a specific region and insn.
10650 (free_eh_nesting_info): New function to dispose of a list of
10651 reachable handlers.
10653 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10655 * flow.c (split_edge): Set JUMP_LABEL field.
10656 (commit_one_edge_insertion): Set head correctly for insert_before.
10657 When inserting insns, update insn block numbers if allocated.
10659 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10661 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
10662 retry_incomplete_types): Add static prototype.
10663 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
10664 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
10665 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
10666 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
10667 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
10670 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
10671 dwarf2out_start_source_file, dwarf2out_line): Likewise.
10673 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10675 * output.h (assemble_name): Constify a char*.
10677 * varasm.c (UNIQUE_SECTION, assemble_start_function,
10678 assemble_variable, assemble_name): Likewise.
10680 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
10682 * arm/pe.c (arm_pe_unique_section): Likewise.
10684 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
10686 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
10688 * i386/interix.c (i386_pe_unique_section): Likewise.
10690 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
10692 * i386/winnt.c (i386_pe_unique_section): Likewise.
10694 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
10696 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
10698 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
10700 * pa/pa.c (output_call): Likewise.
10702 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
10704 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
10706 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
10709 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
10712 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
10714 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
10715 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
10717 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
10719 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10721 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
10723 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10725 * tree.h (lang_identify): Constify a char*.
10726 (print_error_function): Add extern prototype. Constify a char*.
10728 * c-lang.c (lang_identify): Constify a char*.
10730 * objc/objc-act.c (lang_identify): Constify a char*.
10732 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10734 * genpeep.c (main): Make generated file include "function.h".
10735 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
10737 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10739 * Makefile.in: Update dependencies.
10740 * alias.c: Include "function.h"
10741 * c-decl.c: Likewise.
10742 * caller-save.c: Likewise.
10743 * calls.c: Likewise.
10744 * combine.c: Likewise.
10746 * explow.c: Likewise.
10747 * final.c: Likewise.
10748 * global.c: Likewise.
10749 * graph.c: Likewise.
10750 * local-alloc.c: Likewise.
10751 * loop.c: Likewise.
10752 * optabs.c: Likewise.
10753 * profile.c: Likewise.
10754 * recog.c: Likewise.
10755 * regclass.c: Likewise.
10756 * regmove.c: Likewise.
10757 * reload.c: Likewise.
10758 * reorg.c: Likewise.
10759 * resource.c: Likewise.
10760 * sched.c: Likewise.
10761 * stupid.c: Likewise.
10762 * config/1750a/1750a.c: Likewise.
10763 * config/a29k/a29k.c: Likewise.
10764 * config/arc/arc.c: Likewise.
10765 * config/arm/arm.c: Likewise.
10766 * config/arm/thumb.c: Likewise.
10767 * config/c4x/c4x.c: Likewise.
10768 * config/clipper/clipper.c: Likewise.
10769 * config/convex/convex.c: Likewise.
10770 * config/fx80/fx80.c: Likewise.
10771 * config/i860/i860.c: Likewise.
10772 * config/m68k/m68k.c: Likewise.
10773 * config/m88k/m88k.c: Likewise.
10774 * config/mips/mips.c: Likewise.
10775 * config/pdp11/pdp11.c: Likewise.
10776 * config/pyr/pyr.c: Likewise.
10777 * config/romp/romp.c: Likewise.
10778 * config/sh/sh.c: Likewise.
10779 * config/tahoe/tahoe.c: Likewise.
10780 * config/vax/vax.c: Likewise.
10781 * config/we32k/we32k.c: Likewise.
10782 * config/sparc/sparc.c: Include "function.h".
10783 (mem_min_alignment): Test current_function rather than
10784 regno_pointer_align.
10785 * config/pa/pa.c: Likewise.
10786 (compute_frame_size): Delete declaration of
10787 current_function_outgoing_args_size.
10788 * config/arc/arc.h (current_function_varargs): Delete declaration.
10789 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
10791 * config/i370/i370.h (current_function_outgoing_args_size): Delete
10793 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
10794 current_function_uses_pic_offset_table.
10795 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
10796 of current_function_returns_pointer.
10797 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10798 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10799 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10800 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10801 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10802 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10803 * config/m88k/m88k.c: Include "function.h"
10804 (call_used_regs, current_function_pretend_args_size,
10805 current_function_outgoing_args_size, frame_pointer_needed): Delete
10807 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
10809 * config/mips/mips.h (current_function_calls_alloca): Delete
10811 * config/mn10200/mn10200.h (current_function_needs_context,
10812 rtx_equal_function_value_matters): Delete declarations.
10813 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
10814 flag_pic): Delete declarations.
10815 * config/pa/pa.h (current_function_pretend_args_size,
10816 current_function_decl): Delete declarations.
10817 * config/pa/som.h (current_function_varargs): Delete declaration.
10818 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
10820 * config/pyr/pyr.h (current_function_pretend_args_size,
10821 current_function_args_size, current_function_calls_alloca): Delete
10823 * config/sh/sh.h (current_function_varargs): Delete declaration.
10824 * config/sparc/sparc.h (current_function_outgoing_args_size,
10825 current_function_calls_alloca, current_function_decl): Delete
10827 * config/spur/spur.h (current_function_pretend_args_size,
10828 current_function_calls_alloca): Delete declarations.
10829 * config/v850/v850.c (current_function_outgoing_args_size): Delete
10831 * config/vax/vms.h (current_function_name): Delete declaration.
10832 * gcse.c: Include "function.h".
10833 (current_function_name, current_function_calls_setjmp): Delete
10835 * haifa-sched.c: Include "function.h".
10836 (forced_labels): Delete declaration.
10837 * jump.c: Likewise.
10838 * reg-stack.c: Likewise.
10839 * reload1.c: Likewise.
10840 * genemit.c (main): Make generated file include function.h.
10841 * genoutput.c (output_prologue): Likewise.
10843 * builtins.c (saveregs_value, apply_args_value): Delete variables.
10844 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
10845 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
10846 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
10847 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
10848 macros for some of them.
10849 (emit_filename, emit_lineno): Delete declarations.
10850 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
10851 regno_pointer_* variables through current_function.
10852 (gen_inline_header_rtx): Delete function.
10853 (save_emit_status): Delete function.
10854 (set_new_last_label_num): New function.
10855 (clear_emit_caches): New function.
10856 (restore_emit_status): Just clear last_labelnum and call
10858 (get_last_insn_anywhere): Variable sequence_stack is now accessed
10859 through macro seq_stack.
10860 (add_insn_after): Likewise.
10861 (add_insn_before): Likewise.
10862 (remove_insn): Likewise.
10863 (pop_topmost_sequence): Likewise.
10864 (in_sequence_p): Likewise.
10865 (start_sequence_for_rtl_expr): Likewise.
10866 (start_sequence): Likewise, and likewise for
10867 sequence_rtl_expr/seq_rtl_expr.
10868 (push_topmost_sequence): Likewise.
10869 (end_sequence): Likewise.
10870 (init_virtual_regs): Now takes a "struct emit_status *" argument.
10871 All callers changed. Store into that pointer instead of globals.
10872 (init_emit): Allocate emit elt of current_function.
10873 Changes for sequence_rtl_expr/sequence_stack renaming.
10874 Call clear_emit_caches instead of doing it in-line.
10875 Access regno_pointer_* variables through current_function.
10876 (init_emit_once) Don't clear sequence_stack.
10878 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
10880 (arg_pointer_save_area): Delete declaration.
10881 (finish_expr_for_function): Renamed from init_queue; no longer static.
10882 (init_expr): Don't call init_queue.
10883 (save_expr_status, restore_expr_status): Delete functions.
10884 (expand_expr): Changes to reflect new layout of struct function.
10885 Don't access current_function_check_memory_usage when current_function
10887 * expr.h (forced_labels, save_expr_regs, saveregs_value,
10888 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
10889 current_function_outgoing_args_size, current_function_arg_offset_rtx,
10890 current_function_uses_const_pool, function_call_count,
10891 current_function_uses_pic_offset_table, nonlocal_labels,
10892 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
10893 current_function_check_memory_usage, nonlocal_goto_handler_slots,
10894 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
10896 (finish_expr_for_function): Declare.
10897 * flags.h (current_function_has_nonlocal_label,
10898 current_function_has_nonlocal_goto, current_function_is_thunk,
10899 current_function_has_computed_jump): Delete declarations.
10900 * flow.c (forced_labels): Delete declaration.
10901 * function.c (current_function_pops_args,
10902 current_function_returns_struct, current_function_returns_pcc_struct,
10903 current_function_needs_context, current_function_calls_setjmp,
10904 current_function_calls_longjmp, current_function_has_nonlocal_label,
10905 current_function_has_nonlocal_goto, current_function_is_thunk,
10906 current_function_has_computed_jump, current_function_calls_alloca,
10907 current_function_contains_functions, current_function_returns_pointer,
10908 current_function_epilogue_delay_list, current_function_args_size,
10909 current_function_pretend_args_size, current_function_arg_offset_rtx,
10910 current_function_outgoing_args_size, current_function_varargs,
10911 current_function_stdarg, current_function_args_info, cleanup_label,
10912 current_function_name, current_function_uses_const_pool,
10913 current_function_instrument_entry_exit, current_function_return_rtx,
10914 current_function_uses_pic_offset_table, nonlocal_labels,
10915 current_function_internal_arg_pointer, current_function_cannot_inline,
10916 current_function_check_memory_usage, function_call_count,
10917 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
10918 nonlocal_goto_stack_level, return_label, save_expr_regs,
10919 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
10920 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
10921 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
10922 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
10923 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
10925 (push_function_context_to): Don't save them. Don't call
10926 save_storage_status, save_emit_status or save_expr_status.
10927 (pop_function_context_from): Don't restore them. Don't call
10928 restore_storage_status or restore_expr_status.
10929 (get_func_frame_size): New function.
10930 (get_frame_size): Use it.
10931 (assign_outer_stack_local): Reflect some member name changes in struct
10933 (put_reg_into_stack): Likewise.
10934 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
10936 (fixup_var_refs): Likewise.
10937 (fix_lexical_addr): Likewise.
10938 (trampoline_address): Likewise.
10939 (prepare_function_start): Clear field inlinable of current_function.
10940 (init_function_for_compilation): New function.
10941 (expand_dummy_function_end): New function.
10942 (expand_function_end): Call finish_expr_for_function.
10943 * function.h (struct emit_status): New; fields moved here from struct
10944 function and from global variables. Add accessor macros for some of
10946 (struct expr_status): Likewise.
10947 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
10948 (struct function): Add fields expr and emit, inlinable, inl_emit,
10949 original_arg_vector, original_decl_initial, inl_last_parm_insn,
10950 inl_max_label_num. Add many comments.
10951 Add accessor macros for all elts of struct function that no longer
10952 have a global variable.
10953 (cleanup_label, return_label, frame_offset, tail_recursion_label,
10954 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
10955 stack_slot_list): Delete declarations.
10956 (get_func_frame_size): Declare.
10957 (save_expr_status, restore_expr_status, save_emit_status,
10958 save_storage_status, restore_storage_status): Delete declarations.
10959 (init_virtual_regs): Declare.
10960 * output.h (current_function_pops_args,
10961 current_function_returns_struct, current_function_returns_pcc_struct,
10962 current_function_needs_context, current_function_calls_setjmp,
10963 current_function_calls_longjmp, current_function_calls_alloca,
10964 current_function_has_nonlocal_label, current_function_varargs,
10965 current_function_has_computed_jump, current_function_returns_pointer,
10966 current_function_contains_functions, current_function_args_size,
10967 current_function_pretend_args_size, current_function_stdarg,
10968 current_function_outgoing_args_size, current_function_args_info,
10969 current_function_name, current_function_return_rtx,
10970 current_function_epilogue_delay_list,
10971 current_function_uses_const_pool, current_function_cannot_inline):
10972 Delete declarations.
10973 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
10974 regno_reg_rtx): Delete declaration.
10975 (REGNO_POINTER_FLAG): Delete macro.
10976 * stmt.c (expand_goto): Changes to reflect that some fields in struct
10977 function were renamed.
10978 * stor-layout.c (save_storage_status, restore_storage_status): Delete
10980 * toplev.c: Include "function.h".
10981 (current_function_decl): Delete declaration.
10982 (compile_file): Call init_dummy_function_start and
10983 expand_dummy_function_end around some initializations that need to
10985 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
10986 Call init_function_for_compilation.
10987 * unroll.c: Include "function.h"
10988 (unroll_loop): Access regno_pointer_* variables through
10991 * tree.h (struct tree_decl): Add elt f to saved_insns member.
10992 (DECL_SAVED_INSNS): use it.
10993 (expand_dummy_function_end): Declare.
10994 (init_function_for_compilation): Declare.
10995 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
10996 that it's no longer an INLINE_HEADER.
10997 (expand_call): Likewise.
10998 * integrate.c (finish_inline): Delete function.
10999 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
11000 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
11001 args. Don't generate an INLINE_HEADER rtx, just return the arg
11002 vector. All callers changed.
11003 (save_for_inline_copying): Create a duplicate struct emit_status to
11004 hold the emit state for compiling the current function. Use this and
11005 the other new fields in struct function that are for integration
11006 instead of an INLINE_HEADER.
11007 Use memcpy instead of bcopy.
11008 Store the current struct function in DECL_SAVED_INSNS of fndecl.
11009 (save_for_inline_nocopy): Similar changes, except no new emit_status
11011 (expand_inline_function): Get information from function structure,
11012 not from an inline header rtx.
11013 (output_inline_function): Lose code to extract the necessary
11014 information from an inline header; simply put back the function
11015 structure into current_function. Clear its inlinable elt.
11016 * rtl.def (INLINE_HEADER): Delete.
11017 * rtl.h: Delete all accessors for an INLINE_HEADER.
11018 (gen_inline_header_rtx): Delete declaration.
11019 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
11020 Delete declarations.
11021 (REGNO_POINTER_ALIGN): Delete.
11022 (clear_emit_caches): Declare.
11023 (set_new_last_label_num): Declare.
11025 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
11027 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
11029 * except.c (expand_eh_region_start_for_decl): Always start a new block.
11030 * stmt.c (is_eh_region): Make sure current_function is present, too.
11032 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
11034 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
11035 for 64bit PA targets.
11037 * pa.h (SELECT_SECTION): Define.
11038 * som.h (SELECT_SECTION): Delete.
11040 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11042 * alias.c (init_alias_analysis): Wrap call to
11043 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
11045 1999-08-07 Bruce Korb <autogen@linuxbox.com>
11047 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
11048 <sys/asm.h> contains an asm comment with an apostrophe
11049 * fixinc/inclhack.sh: regen
11050 * fixinc/fixincl.x: regen
11052 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
11054 * function.c (init_function_start): Clear prologue & epilogue.
11055 (prologue_epilogue_contains): New function.
11056 * alias.c (init_alias_analysis): Use it.
11057 * rtl.h (prologue_epilogue_contains): Declare it.
11059 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
11061 * jump.c (onlyjump_p): New function.
11062 * rtl.h: Declare it.
11063 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
11064 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
11066 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
11068 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
11069 to invert loops. Simplify block scanning.
11071 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11073 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
11074 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
11076 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
11078 * config/sparc/liteelf.h: New file to support sparclite-elf target
11079 * config/sparc/t-sp86x: New file to support sparc86x targets
11080 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
11081 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
11082 * configure.in: Support above target triplets
11083 * configure: Regenerated
11085 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
11087 * fixinc/server.c (server_setup): Do not prefix function used as
11088 parameter with `&'.
11090 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
11092 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
11093 Remove fp reg alternatives.
11095 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
11097 * Makefile.in (TAROUTOPTS): Kill.
11098 (install-headers-tar): Use "xpf" for tar headerfile extraction
11099 * i370/x-oe (TAROUTOPTS): Delete.
11100 * m68k/x-apollo68 (TAROUTOPTS): Delete.
11101 * m68k/x-hp320 (TAROUTOPTS): Delete.
11102 * m68k/x-hp320g (TAROUTOPTS): Delete.
11103 * gcc.texi: Update bug reporting text.
11105 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11107 * reg-stack.c (change_stack) Fixed problem with negative array index.
11109 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
11111 * extend.texi, install.texi: Fix spelling mistakes.
11113 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
11114 (s-attrtab); No longer try to use pre-made insn-attrtab file.
11115 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
11116 PREMADE_ATTRTAB_MD.
11117 * mips/t-ecoff: Likewise.
11118 * mips/t-elf: Likewise.
11119 * mips/t-mips: Likewise.
11120 * mips/t-osfrose: Likewise.
11121 * mips/t-r3900: Likewise.
11122 * mips/t-svr3: Likewise.
11123 * mips/t-svr4: Likewise.
11124 * mips/t-ultrix: Likewise.
11126 * gcc.texi: Document recommend means to provide software floating
11127 point libraries in libgcc.a
11129 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
11131 * c-lex.c (yylex): We can have a number with no digits.
11133 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
11135 * jump.c (delete_prior_computation): New function, broken
11136 out of delete_computation. Check for side effects with
11137 side_effects_p instead of FIND_REG_INC_NOTE. Handle
11138 multi-word hard registers.
11139 (delete_computation): Use it. Check for side effects with
11140 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
11141 missing REG_DEAD note for a register which is both set and
11144 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
11146 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
11147 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
11148 (ASM_FILE_START): Import _mcount with the right type.
11149 (ASM_DECLARE_FUNCTION_NAME): Define.
11150 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
11151 * pa.c (output_function_prologue): Always emit the function's label
11153 * pa.h (TEXT_SPACE_P): Define.
11154 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11155 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
11156 * som.h (TEXT_SPACE_P): Delete.
11157 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11158 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
11160 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
11162 * expr.c (emit_group_load): Allow src to be a CONCAT.
11164 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11166 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
11167 (___mulsi3): Use '!' comment character.
11169 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11171 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
11173 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
11175 * gcc.c: Update URLs and mail addresses.
11176 * gcc.texi: Likewise.
11178 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
11180 * rs6000.c (current_file_function_operand): Return zero for
11182 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
11184 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
11187 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
11189 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
11190 allocate space in the stack frame for the PIC register.
11192 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
11194 * m68k.md (xordi3, anddi3): These patterns are not available on
11197 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
11199 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
11200 (PUT_REAL): Likewise.
11202 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11204 * final.c (shorten_branches): Don't add an alignment for loops
11205 that have no label inside.
11207 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11209 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
11210 prototypes in macro HAVE_cmpstrsi.
11212 * cpplib.c (cpp_get_token): Remove unused label `op3'.
11214 * emit-rtl.c (operand_subword): Remove unused variable
11217 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
11219 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
11221 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
11223 * cpphash.c (macroexpand): Delete leading whitespace when arg
11224 is concatenated before.
11225 (unsafe_chars): Correct test for whether + and - can extend a
11228 * cppinit.c (cpp_start_read): Do dependencies for
11229 -include/-imacros files also.
11231 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
11232 tokenizing non-directive lines.
11233 (cpp_expand_to_buffer): Temporarily disable no-output mode.
11234 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
11237 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11239 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
11241 * c-lex.c: Sync with C++ frontend.
11242 (linemode): New variable.
11243 (parse_float): imag, conversion_errno, and type are output only.
11244 (yylex): Adjust. Move initial '.' case into main switch.
11246 (handle_generic_pragma): Just deal with tokens.
11247 (readescape): Use ISXDIGIT and ISGRAPH.
11248 * c-parse.in: Add END_OF_LINE token.
11250 * c-lex.c (lang_init): Generalize.
11251 (nextchar): Remove. Replace uses with UNGETC.
11252 (skip_white_space): Handle linemode here. Optimize for cpplib.
11253 (skip_white_space_on_line): Remove.
11254 (extend_token_buffer_to): New fn.
11255 (extend_token_buffer): Use it.
11256 (read_line_number, check_newline): Just deal with tokens.
11257 (token_getch, token_put_back): New fns.
11258 (yylex): Use them. More cpplib optimizations. Simplify.
11260 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11261 Jason Merrill <jason@yorick.cygnus.com>
11263 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
11264 (consume_string): Make this smart about USE_CPPLIB.
11265 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
11266 (yylex): Rewrite to be intelligent about USE_CPPLIB.
11267 Also, clean up cases where we redundantly set token_buffer[0].
11268 (read_line_number): New fn.
11269 (ignore_escape_flag): New variable.
11271 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
11273 * a29k/t-a29kbare: Fix some comments.
11274 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
11275 (FPBIT, DPBIT): Define.
11276 * a29k/t-vx29k: Likewise.
11277 * arc/t-arc: Likewise.
11278 * arm/t-arm-elf: Likewise.
11279 * arm/t-bare: Likewise.
11280 * arm/t-pe: Likewise.
11281 * arm/t-pe-thumb: Likewise.
11282 * arm/t-semi: Likewise.
11283 * arm/t-thumb: Likewise.
11284 * arm/t-thumb-elf: Likewise.
11285 * arm/t-thumb-linux: Likewise.
11286 * h8300/t-h8300: Likewise.
11287 * i960/t-i960: Likewise.
11288 * i960/t-vxworks960: Likewise.
11289 * m32r/t-m32r: Likewise.
11290 * mips/t-ecoff: Likewise.
11291 * mips/t-elf: Likewise.
11292 * mips/t-r3900: Likewise.
11293 * pa/t-pro: Likewise.
11294 * rs6000/t-aix43: Likewise.
11295 * rs6000/t-beos: Likewise.
11296 * rs6000/t-newas: Likewise.
11297 * rs6000/t-ppccomm: Likewise.
11298 * rs6000/t-rs6000: Likewise.
11299 * rs6000/t-winnt: Likewise.
11300 * rs6000/t-xnewas: Likewise.
11301 * rs6000/t-xrs6000: Likewise.
11302 * sh/t-sh: Likewise.
11303 * sparc/t-elf: Likewise.
11304 * sparc/t-sparcbare: Likewise.
11305 * sparc/t-sparclite: Likewise.
11306 * sparc/t-splet: Likewise.
11307 * v850/t-v850: Likewise.
11308 * mn10200/t-mn10200: Fix comments.
11309 * mn10300/t-mn10300: Likewise.
11311 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
11312 dummy operand. Allocate a new pseudo for the dummy operand.
11313 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
11315 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
11317 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
11319 * configure: Rebuilt.
11320 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
11322 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
11324 * recog.c (preproces_constraints): Zero recog_op_alt before
11325 processing the constraints.
11327 * arm.c (typedef minipool_node): Renamed from pool_node.
11328 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
11329 (add_minipool_constant): New function.
11330 (dump_minipool): New function.
11331 (find_barrier): Remove special case for getting the insn size of
11332 an insn that references the constant pool.
11333 (minipool_fixup): New structure.
11334 (push_minipool_barrier): New function.
11335 (push_minipool_fix): New function.
11336 (note_invalid_constants): New function.
11337 (add_pool_constant, dump_table, fixit, broken_move): Delete.
11338 (arm_reorg): Rewrite code to fix up the constant pool into a
11339 series of mini-pools embedded in the insn stream.
11340 (arm_output_epilogue): New function, made mainly from the body
11341 of output_func_epilogue.
11342 (output_func_epilogue): Move insn generation part of epilogue code
11343 to arm_output_epilogue.
11344 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
11345 * arm.md (pool_range): New attribute.
11346 (zero_extendqidi2): Add attribute pool_range.
11347 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
11348 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
11349 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
11350 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
11351 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
11352 (epilogue): New expand.
11353 (epilogue_insn): New insn. Call arm_output_epilogue.
11355 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
11356 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
11358 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11360 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
11362 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11364 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
11366 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
11368 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
11370 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
11372 * global.c: Fix comment.
11374 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
11376 * gcc.c (access_check): New static function.
11377 (find_a_file): Use it when searching a directory list.
11378 * collect2.c (find_a_file): Don't accept directories found when
11379 searching a directory list.
11381 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
11383 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
11384 function parameters with `&'.
11385 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
11387 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
11389 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
11390 or tidy_fallthru_edge if the last insn in the block is not
11391 an unconditional jump or a simple conditional jump.
11393 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11395 * Makefile.in (c-decl.o): Depends on defaults.h.
11397 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
11399 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
11401 (CLASS_MAX_NREGS): Likewise.
11403 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
11405 * cse.c (cse_insn): Fix dumb thinko in last change.
11407 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11409 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
11412 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
11414 * dwarf2out.c (add_location_or_const_value_attribute): Correct
11415 test for sizes of passed and declared parameter types.
11417 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11419 * fixincludes: Fix the return type of bsearch, char* -> void*.
11421 * fixinc/inclhack.def: Likewise.
11423 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
11425 * invoke.texi (-fdump-translation-unit): New option.
11427 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
11429 * expr.h (PROMOTE_PROTOTYPES): Move ...
11430 * defaults.h: ... to here.
11431 * c-decl.c: Include defaults.h instead of expr.h.
11432 * c-typeck.c: Include defaults.h.
11434 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
11436 * toplev.h (errorcount): Declare.
11437 (warningcount): Likewise.
11438 (sorrycount): Likewise.
11439 * c-lex.c (errorcount): Don't declare.
11440 * dwarf2out.c (errorcount): Don't declare.
11442 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
11444 * config/libgloss.h: Add a note discouraging use with ELF.
11445 * configure.in: Don't use libgloss.h for ELF targets.
11446 Always use_collect2 on a.out targets.
11448 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
11450 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
11451 (force_to_mode, case ASHIFTRT): Add shiftrt label.
11453 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11455 * loop.c (strength_reduce): When doing biv->giv conversion, update
11456 reg note of NEXT->insn.
11458 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11460 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
11462 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11464 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
11465 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
11466 Ensure expr.h is included.
11467 * c-typecheck.c (convert_arguments): Ditto.
11469 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
11471 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
11472 * config/convex/convex.h: Ditto.
11473 * config/dsp16xx/dsp16xx.h: Ditto.
11474 * config/fx80/fx80.h: Ditto.
11475 * config/gmicro/gmicro.h: Ditto.
11476 * config/i370/i370.h: Ditto.
11477 * config/i386/i386.h: Ditto.
11478 * config/m32r/m32r.h: Ditto.
11479 * config/m68k/m68k.h: Ditto.
11480 * config/m88k/m88k.h: Ditto.
11481 * config/mips/mips.h: Ditto.
11482 * config/pa/pa.h: Ditto.
11483 * config/pyr/pyr.h: Ditto.
11484 * config/tahoe/tahoe.h: Ditto.
11485 * config/we32k/we32k.h: Ditto.
11487 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
11488 based on arch size.
11490 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
11492 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
11495 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
11497 1999-08-02 Richard Henderson <rth@cygnus.com>
11499 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
11500 for the register spill block.
11501 (m32r_va_arg): New.
11502 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
11503 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
11505 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
11506 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
11507 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
11509 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11511 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
11512 MAX_WCHAR_TYPE defined in sparc.h.
11513 * config/sparc/linuxaout.h: Likewise.
11514 * config/sparc/linux64.h: Likewise.
11515 Also default to -mvis if CPU is UltraSPARC.
11517 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11519 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
11520 (RTX_OK_FOR_OLO10): Likewise.
11521 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
11522 %lo(), allow it in addresses...
11523 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
11524 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
11525 does not make sense.
11526 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
11527 (sparc_output_scratch_registers): New function.
11528 (output_function_prologue, sparc_flat_output_function_prologue): Use
11530 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
11532 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
11533 * configure.in: Add check for .register pseudo-op support in as and
11534 check for offsetable %lo().
11535 * acconfig.h: Add templates for the above checks.
11536 * configure: Regenerate.
11538 1999-08-02 Richard Henderson <rth@cygnus.com>
11540 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
11541 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
11542 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
11544 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11546 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11549 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11551 * config/float-sparc.h: New file.
11552 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
11553 sparc-*-linux-gnu and sparc64-*-linux*.
11555 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11557 * rs6000.c (rs6000_va_list): Type is an array.
11558 (rs6000_va_start): Don't doubly adjust for varargs.
11559 (rs6000_va_arg): Evaluate long long GPR adjustment.
11561 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
11563 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
11564 -maix64 and -maix32.
11565 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
11566 LINK_SPEC): Change appropriately.
11567 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
11568 (u_short_cint_operand): Likewise.
11569 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
11571 * rs6000/t-aix43 (MULTILIB): Change to -m64.
11573 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
11575 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
11577 * rs6000/rs6000.c (num_insns_constant_wide): Correct
11578 for type promotion.
11579 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
11580 (non_add_cint_operand): Likewise.
11581 (logical_operand): Likewise.
11582 (non_logical_cint_operand): Likewise.
11583 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
11584 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
11585 (rs6000_select_rtx_section): Suppress warning.
11586 (small_data_operand): Suppress warning.
11587 (rs6000_got_register): Suppress warning.
11588 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
11589 type, so `J' is generally the wrong constraint for a SImode value;
11591 (andsi3_internal2): Likewise.
11592 (andsi3_internal3): Likewise.
11593 (iorsi3_internal1): Likewise.
11594 (xorsi3_internal1): Likewise.
11596 (movsf_softfloat): Likewise.
11597 (scc insns): Likewise.
11598 (movsi+2): Preserve sign bits of SImode constant.
11599 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
11600 (movdf+1): Sign-extend properly.
11601 (movdi_32+1): Sign-extend properly.
11602 (scc insns): Sign-extend properly.
11604 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
11607 1999-08-02 Richard Henderson <rth@cygnus.com>
11609 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
11610 -mcpu parsing code.
11611 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
11612 * alpha.md (all fp insns): Likewise.
11614 1999-08-02 Nick Clifton <nickc@cygnus.com>
11616 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
11619 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
11621 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
11622 pic_load_label generator directly.
11623 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
11624 No longer a named pattern.
11626 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
11628 * explow.c (force_reg): Call force_operand if X does not
11629 satisfy general_operand.
11631 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
11633 * fix-header.c (main): When testing for CONTINUED, use string
11634 equality, not pointer equality.
11636 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
11638 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
11640 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
11642 * cse.c (cse_insn): Fix loop which deletes insns after a jump
11643 that has become an unconditional jump.
11645 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
11646 (output_function_epilogue): Similarly.
11648 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11650 * tree.h (init_dummy_function_start): Declare.
11652 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11654 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
11655 last_expr_type, last_expr_value, block_start_count, block_stack,
11656 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
11657 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
11658 dynamically in stmt elt of struct function for each function.
11659 (struct nesting): Rename function_call_count elt to n_function_calls,
11660 target_temp_slot_level to block_target_temp_slot_level. All users
11662 (struct stmt_status): New structure definition.
11663 Add many accessor macros for stmt_status elements which previously
11664 were global variables.
11665 (init_stmt_for_function): Allocate stmt elt for current_function.
11666 Reflect that block_start_count was renamed to
11667 current_block_start_count.
11668 (save_stmt_status, restore_stmt_status): Delete functions.
11669 (preserve_subexpressions_p): Don't access loop_stack when outside
11671 (expand_start_bindings): Reflect that block_start_count was renamed to
11672 current_block_start_count.
11673 (expand_fixup): Likewise.
11674 (expand_decl): Don't access block_stack when outside a function.
11675 (expand_decl_cleanup): Likewise.
11676 (expand_dcc_cleanup): Likewise.
11677 (expand_dhc_cleanup): Likewise.
11678 (expand_anon_union_decl): Likewise.
11679 (set_file_and_line_for_stmt): New function.
11680 (in_control_zone_p): New function.
11682 * function.h (struct function): Add new elt stmt.
11683 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
11684 case_stack, nesting_stack, nesting_depth, block_start_count,
11685 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
11686 emit_lineno, goto_fixup_chain.
11687 (save_eh_status, restore_eh_status, save_stmt_status,
11688 restore_stmt_status): Delete declarations.
11689 * function.c (push_function_context_to): Don't call save_stmt_status.
11690 (pop_function_context_to): Don't call restore_stmt_status.
11691 * tree.h (in_control_zone_p): Declare.
11692 * rtl.h (set_file_and_line_for_stmt): Declare.
11694 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
11695 call set_file_and_line_for_stmt.
11697 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
11699 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
11700 Also update copyright.
11702 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11704 * c-pragma.c: Don't include "except.h".
11705 * emit-rtl.c: Likewise.
11706 * stor-layout.c: Likewise.
11707 * tree.c: Likewise.
11708 * varasm.c: Likewise.
11710 * flow.c: Include "function.h".
11711 * tree.h (init_dummy_function_start): Declare new function.
11713 * except.h (struct eh_status): New structure.
11714 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
11716 (eh_return_stub_label, ehstack, catchstack, ehqueue,
11717 catch_clauses, false_label_stack, caught_return_label_stack,
11718 protect_list, current_function_ehc): Add accessor macros for the
11719 corresponding fields in current_function->eh; delete declarations
11720 for all items that used to be declared here.
11721 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
11722 catch_clauses, false_label_stack, caught_return_label_stack,
11723 protect_list, current_function_ehc): Delete variables.
11724 (init_eh_for_function): Allocate current_function->eh.
11725 (save_eh_status, restore_eh_status): Delete functions.
11727 * function.h (struct function): Add fields next_global and eh.
11728 Delete all exception handling related fields.
11729 * function.c (current_function): New variable.
11730 (all_functions): New variable.
11731 (push_function_context_to): Don't allocate a struct function,
11732 use current_function instead. Call init_dummy_function_start when
11733 outside a function. Clear current_function before returning.
11734 (pop_function_context_from): Restore current_function.
11735 Don't free the restored struct function.
11736 (prepare_function_start): New function.
11737 (init_dummy_function_start): New function.
11738 (init_function_start): Break out some code into prepare_function_start
11741 * stmt.c (save_stmt_status): Don't call save_eh_status.
11742 (restore_stmt_status): Don't call restore_eh_status.
11744 * Makefile.in: Update dependencies.
11746 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
11748 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
11749 of depending on a magic constant value. Update comments.
11750 (hppa_expand_prologue): Similarly.
11752 * pa.md (reload_indi, reload_outdi): Allow any register for the
11753 original reload register.
11755 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
11757 * cccp.c (print_help): Change marcos to macros.
11759 1999-07-30 Richard Henderson <rth@cygnus.com>
11761 * c-typeck.c (initializer_constant_valid_p): Move ...
11762 * c-common.c (initializer_constant_valid_p): ... here. Use
11763 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
11764 of label addresses.
11765 * c-common.h (initializer_constant_valid_p): Declare.
11766 * c-tree.h (initializer_constant_valid_p): Remove.
11768 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
11770 * config/i386/sol2-c1.asm: Align the stack.
11771 * config/i386/sol2-gc1.asm: Likewise.
11773 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
11775 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
11776 -Asparclite for sparc86x.
11777 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
11779 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
11781 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
11783 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
11784 the user if using the non-default arch size in BI_ARCH configuration.
11785 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
11787 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
11788 Fix patterns so that they actually match.
11789 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
11790 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
11791 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
11793 (mulsidi3): Reflect this in the expand.
11794 (smulsi3_highpart): Only on TARGET_ARCH32.
11795 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
11796 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
11797 (umulsidi3): Reflect this in the expand.
11798 (umulsi3_highpart): Only on TARGET_ARCH32.
11799 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
11800 don't require g0 to be zero.
11801 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
11802 ({,u}divsi3): New expands.
11803 ({,u}divsi3_sp64): New patterns.
11804 (after lshrdi3_v8plus): Four new patterns to help combiner
11805 optimizing nested mixed mode shifts.
11807 * config/sparc/sparc.c (sparc_override_options): Use deprecated
11808 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
11809 speed things up. Don't use them by default on plain v9 in 64bit
11810 mode, according to what SPAMv9 sais.
11812 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
11813 top 32 bits of %[og][0-7] in signal handlers.
11814 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
11816 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
11818 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
11819 (ashlsi3): Corresponding changes.
11821 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
11823 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
11825 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
11827 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11829 * arm.h (Hint): Delete macro.
11830 Substitute HOST_WIDE_INT for Hint in some prototypes.
11831 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
11833 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
11835 * builtins.c (expand_builtin_setjmp): Use force_operand to
11836 make sure that the buffer address is in a suitable form to be
11837 passed to force_reg.
11839 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
11841 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
11844 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
11846 * pa.md (indirect_jump): Remove mode from match_operand. Verify
11847 proper mode in the condition string.
11848 (icacheflush, dcacheflush): Remove modes from match_operands.
11850 * pa.c (emit_move_sequence): Always convert scratch_reg to the
11851 proper mode before using it.
11853 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
11856 * pa.c (store_reg): Do not call add_high_const generator directly.
11857 (load_reg, set_reg_plus_d): Likewise.
11858 * pa.md (add_high_const): No longer a named pattern.
11860 * pa.c (legitimize_address): Consistently use Pmode rather than
11861 SImode. Do not call gen_pic2_highpart directly anymore.
11862 * pa.md (pic2_highpart): No longer a named pattern.
11863 (pic2_lo_sum): Similarly. Reformat to make more readable.
11865 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
11870 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11872 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
11874 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
11876 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
11877 and tag the spill mems.
11878 (hppa_va_start): New.
11879 (hppa_va_arg): New.
11880 * pa.h (EXPAND_BUILTIN_VA_START): New.
11881 (EXPAND_BUILTIN_VA_ARG): New.
11883 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
11885 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
11886 and tag the spill mems.
11887 (mn10300_va_start): New.
11888 (mn10300_va_arg): New.
11889 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
11890 (EXPAND_BUILTIN_VA_ARG): New.
11892 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
11894 * mn10200.c (mn10200_va_arg): New.
11895 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
11897 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
11899 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
11900 rather than play with TREE_INT_CST_LOW.
11902 1999-07-27 Philip Blundell <pb@nexus.co.uk>
11904 * config/arm/telf.h: Include dbxelf.h.
11905 (CPP_PREDEFINES): Only define if not already defined.
11906 (ASM_IDENTIFY_GCC): Likewise.
11907 (SUBTARGET_EXTRA_SECTIONS): Likewise.
11908 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
11909 * config/arm/thumb.h (LINK_SPEC): Only define if not already
11911 (DBX_DEBUGGING_INFO): Don't define.
11912 * config/arm/linux-telf.h: New file.
11913 * config/arm/linux-tgas.h: New file.
11914 * config/arm/t-thumb-linux: New file.
11915 * config/arm/uclinux-elf.h: New file.
11916 * config/arm/uclinux-telf.h: New file.
11917 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
11918 thumb-*-uclinux): New targets.
11919 * configure: Regenerate.
11921 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
11923 * pa.md (post_store, pre_load): New expanders.
11924 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
11925 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
11926 need to directly generate RTL for them.
11927 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
11930 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
11932 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
11933 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
11934 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
11935 (secndary_reload_class): Make TARGET_ELF conditional compile.
11936 (print_operand_address): Similar.
11937 (output_toc): Print all values as hex.
11938 (get_issue_rate): Rearrange and add RS64A and PPC630.
11939 * rs6000.h (processor_type): Add RS64A and PPC630.
11940 (PROCESSOR_POWERPC64): New.
11941 (PROMOTE_MODE): Use word_mode.
11942 (RTX_COSTS): Add RS64A and PPC630.
11943 * rs6000.md (scheduling information): Add lmul and ldiv
11944 representing 64-bit integer multiply and divide. Add rs64a and
11945 PPC630 information.
11946 (ashldi3): Add support for "rldic" instruction.
11947 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
11949 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
11951 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
11952 instead of V8 for sparclite86x in cpu_table.
11954 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11956 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
11957 output_file_directive.
11959 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
11961 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
11962 tree for op1, not the rtl.
11964 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
11966 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
11967 to m88k_va_start, leaving only the register spill.
11968 (m88k_build_va_list): New.
11969 (m88k_va_start): New.
11970 (m88k_va_arg): New.
11971 * m88k.h (BUILD_VA_LIST_TYPE): New.
11972 (EXPAND_BUILTIN_VA_START): New.
11973 (EXPAND_BUILTIN_VA_ARG): New.
11975 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
11977 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
11978 Rename from expand_builtin_saveregs.
11979 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
11981 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
11983 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
11984 for the register spill block.
11985 (i960_build_va_list): New.
11986 (i960_va_start): New.
11987 (i960_va_arg): New.
11988 * i960.h (BUILD_VA_LIST_TYPE): New.
11989 (EXPAND_BUILTIN_VA_START): New.
11990 (EXPAND_BUILTIN_VA_ARG): New.
11991 * i960.md (store_multiple): Use change_address on individul mems.
11993 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
11995 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
11997 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
11998 (expand_builtin_va_end): Evaluate arg for side effects.
11999 * c-common.c (c_common_nodes_and_builtins): Construct a
12000 va_list_arg_type_node to handle array decomposition to pointer.
12002 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
12004 * except.c (start_dynamic_cleanup): Use force_operand on the
12007 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
12009 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
12010 * c4x.c (c4x_va_arg): New.
12012 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
12014 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
12015 has manual_pop set.
12017 1999-07-26 Nathan Sidwell <nathan@acm.org>
12019 * eh-common.h (__eh_matcher): Prototype correctly.
12021 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
12023 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
12024 (TARGET_SINGLE_PIC_BASE): Likewise.
12025 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
12027 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
12028 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
12029 (TARGET_OPTIONS): Add -mpic-register=N.
12030 (OUTPUT_INT_ADDR_CONST): New macro.
12031 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
12032 LEGITIMATE_PIC_OPERAND_P): Likewise.
12033 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
12034 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
12035 output_addr_const directly.
12036 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
12038 (thumb_pic_register, thumb_pic_register_string): Declare.
12040 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
12042 (label_mentioned_p): New function: Imported from arm.c.
12043 (legitimize_pic_address): New function: Imported from arm.c.
12044 (is_pic):New function: Imported from arm.c.
12045 (thumb_finalize_pic):New function: Imported from arm.c.
12046 (add_constant): Cope with PIC constants.
12047 (fixit): Cope with PIC constants.
12048 (output_return): Do not treat the PIC register as live if
12049 TARGET_SINGLE_PIC_BASE is true.
12050 (thumb_function_prologue): Do not treat the PIC register as live if
12051 TARGET_SINGLE_PIC_BASE is true.
12052 (thumb_expand_prologue): Do not treat the PIC register as live if
12053 TARGET_SINGLE_PIC_BASE is true.
12054 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
12055 TARGET_SINGLE_PIC_BASE is true.
12056 (thumb_print_operand): Accept '|'.
12057 (thumb_override_options): Process PIC options.
12059 * config/arm/thumb.md (movsi): Support PIC.
12060 (call_insn): Change "i" constraint to "X".
12061 (call_value_insn): Likewise.
12062 (consttable_4, consttable_8, consttable_end): Set and clear
12063 "making_const_table" as appropriate.
12064 (pic_load_addr, pic_add_dot_plus_four): New insns.
12066 * invoke.texi (Thumb Options): Fix spelling. Document new
12067 options -msingle-pic-base and -mpic-register=.
12069 1999-07-26 Andrew Haley <aph@cygnus.com>
12071 * config/m32r/initfini.c (__init): Use a full word immediate for
12072 __fini: this allows it to be placed in any memory region.
12074 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
12075 -mmodel=medium. This is OK for all memory models.
12077 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
12079 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
12080 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
12082 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
12084 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
12087 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
12089 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
12091 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
12092 (BUILD_VA_LIST_TYPE): New.
12093 (EXPAND_BUILTIN_VA_START): New.
12094 (EXPAND_BUILTIN_VA_ARG): New.
12095 * i860.c (output_delayed_branch): Disable.
12096 (output_delay_insn): Likewise.
12097 (i860_saveregs): New.
12098 (i860_build_va_list): New.
12099 (i860_va_start): New.
12100 (i860_va_arg): New.
12101 * i860.md: Disable all peepholes using output_delayed_branch.
12102 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
12104 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
12106 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
12107 (BUILD_VA_LIST_TYPE): New.
12108 (EXPAND_BUILTIN_VA_START): New.
12109 (EXPAND_BUILTIN_VA_ARG): New.
12110 * clipper.c (clipper_builtin_saveregs): Only dump registers.
12111 Return the address of the save area.
12112 (clipper_build_va_list): New.
12113 (clipper_va_start): New.
12114 (clipper_va_arg): New.
12116 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
12118 * arc.h (EXPAND_BUILTIN_VA_START): New.
12119 (EXPAND_BUILTIN_VA_ARG): New.
12120 * arc.c (arc_setup_incoming_varargs): Set alias set of
12122 (arc_va_start): New.
12125 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
12127 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
12128 (BUILD_VA_LIST_TYPE): New.
12129 (EXPAND_BUILTIN_VA_START): New.
12130 (EXPAND_BUILTIN_VA_ARG): New.
12131 * alpha.c (alpha_builtin_saveregs): Delete.
12132 (alpha_build_va_list): New.
12133 (alpha_va_start): New.
12134 (alpha_va_arg): New.
12136 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
12138 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
12140 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
12141 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
12143 * gcc.texi: More changes related to list conversion.
12144 * invoke.texi: Likewise.
12146 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
12148 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
12149 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
12150 (expand_builtin_next_arg): Accept ARGLIST not EXP.
12151 (stabilize_va_list): New function.
12152 (std_expand_builtin_va_start): New function.
12153 (expand_builtin_va_start): New function.
12154 (get_varargs_alias_set): New function.
12155 (std_expand_builtin_va_arg): New function.
12156 (expand_builtin_va_arg): New function.
12157 (expand_builtin_va_end): New function.
12158 (expand_builtin_va_copy): New function.
12159 (expand_builtin): Call them.
12160 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
12161 __builtin_{varargs_start,stdarg_start,end,copy}.
12162 (build_va_arg): New function.
12163 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
12164 (build_va_arg): Declare.
12165 * c-decl.c (ptr_type_node, va_list_type_node): New.
12166 * c-parse.gperf (__builtin_va_arg): New.
12167 * c-parse.in (VA_ARG): New token.
12168 (unary_expr): Recognize it.
12169 * expr.c (expand_expr): Expand VA_ARG_EXPR.
12170 * expr.h (std_expand_builtin_va_start): Declare.
12171 (std_expand_builtin_va_arg): Declare.
12172 (expand_builtin_va_arg): Declare.
12173 (get_varargs_alias_set): Declare.
12174 * tree.def (VA_ARG_EXPR): New.
12175 * tree.h (BUILT_IN_VARARGS_START): New.
12176 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
12177 (ptr_type_node, va_list_type_node): Declare.
12178 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
12179 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
12180 * m88k.h, m88k.c: Likewise.
12181 * mn10300.h, mn10300.c: Likewise.
12182 * pa.h, pa.c: Likewise.
12183 * rs6000.h, rs6000.c: Likewise.
12184 * sh.h, sh.c: Likewise.
12185 * sparc.h, sparc.c: Likewise.
12187 * emit-rtl.c (operand_subword): Copy alias set.
12188 (change_address): Likewise.
12190 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
12192 * pa.c (compute_frame_size): Scan all the used callee saved registers,
12193 not just the first one.
12195 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
12197 * config/arm/arm.h (TARGET_SWITCHES): Add
12198 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
12199 (TARGET_OPTIONS): Add -mpic-register=.
12200 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
12201 (arm_pic_register_string): Declare.
12202 (NEED_PLT_GOT): Delete, replace with ...
12203 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
12204 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
12205 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
12206 * config/arm/arm.c (arm_override_options): Add new option
12208 (arm_pic_register_string): New variable.
12209 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
12210 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
12211 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
12212 (output_return_instruction): Likewise.
12213 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
12214 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
12215 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
12217 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
12218 mention of -msched-prolog. Document new options -msingle-pic-base
12219 and -mpic-register=.
12221 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
12223 * haifa-sched.c (reemit_notes): Tidy.
12224 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
12227 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
12229 * explow.c (trunc_int_for_mode): New function.
12230 (plus_constant_wide): Use it.
12231 * combine.c (simplify_and_const_int): Likewise.
12232 (merge_outer_ops): Likewise.
12233 (simplify_shift_const): Likewise.
12234 * cse.c (simplify_unary_operation): Likewise.
12235 (simplify_binary_operation): Likewise.
12236 * emit-rtl.c (operand_subword): Likewise.
12237 * rtl.h: Declare it.
12239 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12241 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
12242 (use NUM_REGS instead of NUM_INTS).
12244 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12246 * builtins.c: New file.
12247 * expr.c (saveregs_value, apply_args_value): Delete definition,
12248 moved into builtins.c.
12249 (string_constant): No longer static.
12250 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
12251 apply_args_size, apply_result_size, result_vector,
12252 expand_builtin_apply_args, expand_builtin_apply,
12253 expand_builtin_return): Delete functions, moved into builtins.c.
12254 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
12255 * expr.h (saveregs_value, apply_args_value): Declare variables.
12256 (expand_builtin, string_constant): Declare functions.
12257 * Makefile.in: Update to build builtin.o.
12259 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
12261 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
12262 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
12263 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
12264 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
12266 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
12269 1999-07-21 Michael Meissner <meissner@cygnus.com>
12271 * print-rtl.c (print_rtx): Print the names of the virtual
12274 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
12276 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
12277 introduced in previous delta.
12279 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12281 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
12282 to avoid name clash.
12284 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
12286 * c-lex.c (yylex) : Correct the test for overflow when lexing
12289 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
12291 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
12292 (adjust_priority): Always call ADJUST_PRIORITY.
12293 (schedule_insn): Only put insns into the ready at cost 0.
12294 (schedule_block): Remove redundant initial sort. Give clock_var
12295 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
12297 * tm.texi (MD_SCHED_REORDER): Update docs.
12299 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
12300 * sparc.c (ultra_reorder_called_this_block): Delete.
12301 (ultrasparc_sched_init): Don't set it.
12302 (ultrasparc_sched_reorder): Don't check it.
12304 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
12306 * rs6000.h (struct rs6000_args): Add sysv_gregno.
12307 * rs6000.c (init_cumulative_args): Init sysv_gregno.
12308 (function_arg_boundary): Align DFmode.
12309 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
12310 to get fp reg and stack overflow correct.
12311 (function_arg): Likewise.
12312 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
12313 (setup_incoming_varargs): Restructure for ABI_V4; use
12314 function_arg_advance to skip final named argument.
12315 (expand_builtin_saveregs): Properly unskip the last integer arg
12316 when doing varargs. Adjust overflow location calculation.
12318 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
12319 explicitly unsigned.
12320 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
12321 (__VA_GP_REGSAVE): Similarly.
12322 (__va_longlong_p): Delete.
12323 (__va_arg_type_violation): New declaration.
12324 (va_arg): Restructure. Flag promotion errors. Align double.
12325 TFmode passed by reference.
12327 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
12328 in the HOST_BITS_PER_WIDE_INT > 32 case.
12330 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
12332 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
12334 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
12336 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
12337 * toplev.c (documented_lang_options): Add -fpreprocessed.
12338 * cpplib.h (struct cpp_buffer): Add preprocessed.
12339 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
12340 (cpp_start_read): Don't expand macros or emit an initial #line
12341 directive if -fpreprocessed.
12343 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
12345 * cpplib.h (struct cpp_buffer): Added manual_pop for
12346 better C++ tokenization.
12347 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
12348 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
12349 * c-common.c (cpp_token): Make non-static.
12351 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12353 * c-common.h: New file.
12354 * c-common.c (permanent_obstack): Delete unused declaration.
12355 (c_global_trees): New array.
12356 (c_common_nodes_and_builtins): New function; split off common code
12357 from init_decl_processing in both c-decl.c and cp/decl.c.
12358 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
12359 c_global_trees and accessor macros defined in c-common.h.
12360 Include c-common.h.
12361 * c-decl.c: Delete definitions for tree nodes that were replaced by
12363 (init_decl_processing): Build void_list_node.
12364 Call c_common_nodes_and_builtins; delete code to generate the common
12366 * objc/objc-act.c (build_module_descriptor): Rename variable
12367 void_list_node to avoid clash with c-common.h.
12369 * Makefile.in: Update dependencies.
12370 * objc/Make-lang.in: Likewise.
12372 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
12374 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
12375 (UNIQUE_SECTION_P): Likewise.
12376 (UNIQUE_SECTION): Likewise.
12378 1999-07-19 Linas Vepstas <linas@linas.org>
12380 * config/i370/README: New file.
12381 * config/i370/linux.h: New file.
12382 * config/i370/mvs.h: New file.
12383 * config/i370/oe.h: New file.
12384 * config/i370/t-linux: New file.
12385 * config/i370/t-mvs: New file.
12386 * config/i370/t-oe: New file.
12387 * config/i370/x-oe: New file.
12388 * config/i370/xm-linux.h: New file.
12389 * config/i370/xm-mvs.h: New file.
12390 * config/i370/xm-oe.h: New file.
12392 * i370.c (label_node_t): Add first_ref_page, label_addr,
12393 label_first_ref, label_last_ref members.
12394 (mvs_need_base_reload): Renamed from mvs_label_emitted.
12395 (MAX_MVS_LABEL_SIZE): Define.
12396 (MAX_LONG_LABEL_SIZE): Define.
12397 (alias_node_t, alias_anchor, alias_number): New.
12398 (mvs_function_table): Reorder for EBCDIC.
12399 (ascebc, ebcasc): Unconditionally define.
12400 (i370_branch_dest, i370_branch_length): New functions.
12401 (i370_short_branch, i370_label_scan): New functions.
12402 (mvs_get_label): Renamed from mvs_add_label. Search for
12403 an existing label before creating a new one.
12404 (mvs_add_label): New function.
12405 (mvs_get_label_page): New function.
12406 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
12407 over the entire list.
12408 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
12409 (mvs_check_page) [TARGET_ELF_ABI]: New function.
12410 (mvs_add_alias, mvs_need_alias): New functions.
12411 (mvs_get_alias, mvs_check_alias): New functions.
12412 (handle_pragma): New function.
12413 (mvs_function_check): New function.
12414 (unsigned_jump_follows_p): Search harder.
12415 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
12416 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
12417 * i370.h (TARGET_VERSION): Delete.
12418 (CPP_SPEC, CPP_PREDEFINES): Delete.
12419 (mvs_label_emitted): Delete.
12420 (TARGET_EBCDIC): Delete.
12421 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
12422 (HANDLE_PRAGMA): Define.
12423 (HARD_REGNO_NREGS): Handle complex modes.
12424 (HARD_REGNO_MODE_OK): Likewise.
12425 (CLASS_MAX_NREGS): Likewise.
12426 (RET_REG): Likewise.
12427 (EXTRA_CONSTRAINT): Define.
12428 (RETURN_IN_MEMORY): True for DImode.
12429 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
12430 (FUNCTION_PROFILER): Delete.
12431 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
12432 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
12433 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
12434 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
12435 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
12436 (ASM_FILE_START): Add "RMODE ANY".
12437 (ASM_OUTPUT_EXTERNAL): Check for aliases.
12438 (ASM_GLOBALIZE_LABEL): Likewise.
12439 (ASM_OUTPUT_LABELREF): Likewise.
12440 (ASM_OUTPUT_COMMON): Likewise.
12441 (PRINT_OPERAND): Handle 'K', 'W', default.
12442 (PRINT_OPERAND_ADDRESS): New.
12443 (Lots of defines): Add support for TARGET_ELF_ABI.
12444 * i370.md (attr length): New. Define for all patterns.
12445 (*): Lots of tweeks to assembly output and constraints.
12447 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
12449 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
12450 Disable patterns performing SImode comparisons with SImode values
12451 if TARGET_POWERPC64 and instruction does not sign-extend or does
12452 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
12453 differ for signed quantities.
12454 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
12455 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
12456 (decrement_and_branch_on_count): Add 64-bit variant.
12458 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12460 * final.c (output_asm_insn): When searching for the matching string
12461 for a given dialect, don't run past the end of the list of
12462 alternatives if there are fewer alternatives in the template than
12465 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
12467 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
12468 Removed paragraph about compression of files and size limitation,
12469 duplicated in the FAQ. Use gcc-patches for posting patches.
12470 * gcc.c (main): Updated URL with bug reporting instructions to
12471 gcc.gnu.org. Removed e-mail address.
12472 * system.h (abort): Likewise.
12474 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12476 * Makefile.in (stmp-multilib-sub): Make the files extracted
12477 from $(LIBGCC1) writable.
12479 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
12481 * config/arm/aout.h: Reformat for improved readability.
12483 * config/arm/arm.h: Reformat for improved readability.
12484 Replace uses of fprintf with asm_fprintf where appropriate.
12485 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
12486 function declaration assembler actions.
12487 (NUM_INTS): New macro: Convert from bytes to words.
12488 (NUM_REGS): New macro: Compute number of registers required to
12489 hold a quanitity of tyep MODE.
12490 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
12492 (NUM_ARG_REGS): New macro: The number of argument registers
12494 (ARG_REGISTER): New macro: Compute the register number of the Nth
12496 (LAST_ARG_REGNUM): New macro: The number of the last argument
12498 (SP_REGNUM): New macro: Register number of the stack pointer.
12499 (FP_REGNUM): New macro: Register number of the frame pointer.
12500 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
12501 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
12502 CUMULATIVE_ARGS so that it counts registers not bytes.
12504 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
12506 Replace uses of fprintf with asm_fprintf where appropriate.
12507 (output_ascii_pseudo_op): Replace with version from thumb.c
12509 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
12511 * config/arm/elf.h (CPP_PREDEFINES): Replace with
12512 SUBTARGET_CPP_SPEC.
12513 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
12514 (ASM_FILE_START): Emit ASM_APP_OFF.
12516 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
12518 * pa.c (compute_frame_size): Round frame according to
12519 STACK_BOUNDARY rather than a hardwired value.
12521 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
12523 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
12525 * configure: Rebuilt.
12527 * configure.in (hppa*-*-linux*): New configuration.
12528 * configure: Rebuilt.
12529 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
12530 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
12531 * pa/pa-linux.h: New file.
12532 * pa/t-linux: New file.
12533 * pa/xm-linux.h: New file.
12535 * pa.c (hppa_legitimize_address): Change references from SImode to
12536 either Pmode or word_mode as appropriate.
12537 (emit_move_sequence, store_reg, load_reg): Likewise.
12538 (set_reg_plus_d, hppa_expand_prologue): Likewise.
12539 (output_mul_insn): Likewise.
12540 * pa.h (PROMOTE_MODE): Likewise.
12541 (INITIALZE_TRAMPOLINE): Likewise.
12542 (Pmode): Define to word_mode.
12544 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
12545 value of 4. Allocate 8 bytes for each FP register save.
12546 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
12548 (hppa_expand_prologue): Likewise.
12549 * pa.h (PROMOTE_MODE): Likewise.
12550 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
12551 (FUNCTION_ARG_BOUNDARY): Likewise.
12553 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
12555 * pa.c (out_of_line_prologue_epilogue): Delete.
12556 (override_options): Remove -mspace related code.
12557 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12558 (compute_frame_size): Only allocate space for register that
12559 actually need to be saved.
12560 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
12561 (TARGET_SWITCHES): Remove -mspace, -mno-space
12562 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
12563 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
12564 * pa/ee.asm, pa/ee_fp.asm: Delete.
12566 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
12568 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
12569 directive in column zero.
12571 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
12573 * m68k.c (output_function_prologue): Fix computation of save mask
12574 when generating PIC code.
12576 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
12578 * tree.c (build_type_attribute_variant): Move current_obstack restore
12579 after build_qualified_type call.
12581 1999-07-15 Mark Mitchell <mark@codesourcery.com>
12583 * configure.in: Use t-iris6, even with GNU LD.
12584 * config/mips/iris6gld.h: Fix typo in linker spec.
12585 * config/mips/t-iris6gld: Remove.
12587 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
12589 * rs6000.md (insv, extzv): Remove SImode dependence in named
12590 patterns. Explicitly generate DImode RTL if PowerPC64 and
12592 (insvdi): Reverse start and size in instruction template.
12594 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
12596 * invoke.texi: Typo fixes.
12598 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
12600 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
12601 handle at this time instead of silently generating incorrect code.
12602 (gen_imagpart): Likewise.
12604 * reload.c (find_reloads): Emit a USE for a pseudo register without
12605 a hard register if we could not create an optional reload for the
12608 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12610 * c-typeck.c (output_init_element, process_init_element):
12611 When advancing constructor_unfilled_fields for a RECORD_TYPE,
12612 check for nameless bit fields.
12614 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
12616 * regclass.c (scan_one_insn): Notice subregs that change the
12617 size of their operand.
12618 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
12620 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
12622 * configure.in (alpha*-*-*): Include alpha/t-ieee.
12623 * configure: Rebuilt.
12624 * alpha/t-ieee: New file.
12626 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
12628 * rs6000.c (find_addr_reg): Do not select r0 as an address
12631 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
12633 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
12635 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
12637 * rs6000.md (movsf): Do not force easy FP constants into memory.
12639 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
12640 immed_double_const to ensure they are properly truncated then
12643 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12645 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
12646 always unless NO_DEBUG is used. Compile this code
12648 (replace_symbols_in_block): Compile it unconditionally.
12650 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
12652 * configure.in (i?86-*-elf*): New target.
12653 * configure: Rebuilt.
12654 * i386/i386elf.h, i386/t-i386elf: New files.
12656 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12658 * toplev.c (main): Don't complain about saying -gdwarf.
12659 (rest_of_compilation): Remove redundant code.
12661 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
12663 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
12665 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
12667 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
12668 "Li960R:", to avoid name clash.
12670 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12672 * loop.c (check_dbra_loop): When reversing a loop, delete all
12673 REG_EQUAL notes referencing the reversed biv except those which are
12674 for a giv based on it.
12676 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
12678 * version.c: Drop "gcc-" prefix from version #.
12680 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
12682 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
12683 the label if we're being verbose.
12685 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
12687 * m68k.c (output_function_prologue): Add pic register to mask
12688 if live and flag_pic.
12689 (output_function_epilogue): Likewise.
12691 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
12693 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
12694 directives in column zero.
12696 * pa/elf.h (ASM_FILE_START): Define.
12697 * pa/som.h (ASM_FILE_START): Include .level directives.
12698 * pa/hpux10.h (ASM_FILE_START): Delete.
12699 * pa/hpux11.h (ASM_FILE_START): Delete.
12701 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
12703 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12705 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
12706 when reload_out equals reload_in.
12708 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
12710 * invoke.texi (Spec Files): New node: Describe the contents of
12713 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
12715 * invoke.texi (DEC Alpha Options): Put @end table at
12716 beginning of line, to avoid confusing texi2html.
12718 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
12720 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
12721 introduced in previous delta.
12723 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12725 * reload1.c (gen_reload): When synthesizing a 3 operand add
12726 sequence, improve test for when to reload OP1 into the reload
12727 register instead of OP0.
12729 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
12731 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
12733 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
12735 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
12738 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
12740 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
12741 (va_dcl): Use __builtin_va_alist_t.
12743 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
12745 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
12746 on the permanent_obstack.
12747 * dwarfout.c (output_type): Likewise.
12749 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
12751 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12752 Merged from c-typeck.c and cp/typeck.c.
12753 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12754 Merged into c-common.
12756 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
12758 * c-lex.c (errorcount): Declare it.
12759 (finish_parse): Update errorcount when using CPPLIB.
12761 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
12763 * fixinc/inclhack.def(end_else_label): Double the backslash so
12764 sed gets a chance to see it.
12765 * fixinc/inclhack.sh: regen
12766 * fixinc/fixincl.x: regen
12768 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
12770 Add framework to support armv5 architecture when it becomes
12773 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
12774 (arm_arch5): New variable.
12775 (all_architectures): Add armv5 line.
12776 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
12777 -march=armv5 is specified on the command line.
12778 (arm_arch5): Export this variable.
12779 * invoke.texi: Document new string accepted by -march= switch for
12782 * config/arm/arm.h: Replace use of constant 12 as a register
12783 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12784 * config/arm/arm.c: Replace use of constant 12 as a register
12785 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12787 * config/arm/elf.h: Tidy up.
12788 * config/arm/coff.h: Tidy up.
12790 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
12792 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
12793 * gcc/config/mips/t-iris6gld: New file.
12794 * gcc/config/mips/iris6gld.h: Likewise.
12796 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
12798 * c-decl.c (widest_integer_literal_type_node,
12799 widest_unsigned_literal_type) : New.
12800 (init_decl_processing): Handle/use the two new types.
12801 * c-common.c (type_for_size,type_for_mode) : Same.
12802 * c-lex.c (yylex) : Same.
12803 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12805 * c-tree.h (widest_integer_literal_type_node,
12806 widest_unsigned_literal_type) : New.
12808 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
12810 * dwarfout.c (field_byte_offset): Correctly compute the object's
12811 byte offset for the first bit of a field which crosses an alignment
12812 boundary on a !BYTES_BIG_ENDIAN target.
12814 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
12816 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
12819 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
12820 Jeff Law <law@cygnus.com>
12822 * ginclude/varargs.h (va_dcl): Use word_mode for type of
12825 * except.c: Include intl.h.
12826 (expand_eh_return): Set current_function_cannot_inline.
12827 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
12828 * function.h (struct function): Add eh_return_stub_label.
12829 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
12830 * Makefile.in (except.o): Depend on intl.h.
12832 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
12834 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
12835 same as offsettable in cases 1 and 2.
12837 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
12839 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
12840 (extlh, extwh): Likewise.
12842 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
12844 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
12846 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
12848 * configure.in: Add arm-pe and thumb-pe targets.
12849 * configure: Regenerate.
12851 * thumb.c (arm_naked_function_p): New function: Determines if
12852 a function is naked (has no gcc generated prologue/epilogue).
12853 (is_called_in_ARM_mode): Return true if the func has the
12854 interfacearm attribute.
12855 (output_return): Do not generate a return for naked functions.
12856 (thumb_function_prologue): Do not generate a prologue for
12858 (thumb_expand_prologue): Do not generate a prologue for naked
12860 (thumb_expand_epilogue): Do not generate an epilogue for naked
12862 (arm_valid_machine_decl_attribute): New function, copied from
12863 arm.c: Permit naked and interfacearm attributes.
12865 * config/arm/pe.c: New file: Support code for arm-pe target.
12866 * config/arm/pe.h: New file: Header file for arm-pe target.
12867 * config/arm/tpe.h: New file: Header file for thumb-pe target.
12868 * config/arm/t-thumb-pe: New file: Makefile fragment for
12871 1999-07-01 Mark Kettenis <kettenis@gnu.org>
12873 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
12874 -fPIC or -fpic is specified.
12876 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
12878 * expr.c (emit_block_move): Use copy_to_mode_reg for
12879 !TARGET_MEM_FUNCTIONS case too.
12881 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
12883 * configure: Rebuilt.
12884 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
12885 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
12886 definitions made redundant by dbxelf.h inclusion. Delete
12887 lots of definitions related to assembly output that are
12888 specific to the SOM object format.
12889 * pa.c (output_function_prologue): Do not emit the function's
12891 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
12892 * pa-pro.h: Deleted.
12893 * som.h: New file with SOM specific definitions.
12894 * elf.h: New file with ELF specific definitions.
12896 * elfos.h (const_section): Output a tab before assembler directives.
12897 (ctors_section, dtors_section): Likewise.
12898 (ASM_OUTPUT_SECTION_NAME): Likewise.
12900 * pa/pa1.h: Delete unused file.
12902 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
12904 * configure.in (hppa*-hp-hpux11*): New configuration.
12905 * configure: Rebuilt.
12906 * pa/pa-hpux11.h: New file.
12907 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
12910 * mips.md (leasi, leadi): New patterns.
12912 * expr.c (emit_block_move): Properly handle case where one of the
12913 block move arguments has a queued increment or decrement.
12914 (clear_storage): Similarly. Fix formatting goof.
12916 1999-06-28 "David O'Brien" <obrien@NUXI.com>
12918 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
12919 semicolon from the BSD VA_LIST replacement expression.
12921 * fixinc/inclhack.sh: regen
12922 * fixinc/fixincl.x: regen
12924 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
12925 now use the fixincl program.
12927 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
12929 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
12930 case. Also make the PIC register call_used.
12932 * m68k.h (FINALIZE_PIC): Delete.
12933 * m68k.c (finalize_pic): Delete.
12935 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
12937 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
12940 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
12942 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
12944 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
12946 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
12948 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
12950 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
12952 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
12954 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
12956 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
12958 * rs6000.c (output_toc): Always use hex values for floating-point
12959 constants. Store single-precision values in upper-half of TOC
12960 entry in 64-bit mode.
12961 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
12962 to final constraints.
12963 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
12964 (fctiwz): Improve accuracy of RTL for pattern.
12966 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
12968 * expr.c (expand_expr): Allow RTL_EXPR's through the
12969 MAX_INTEGER_COMPUTATION_MODE checks.
12971 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
12973 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
12974 such that MASK_SUPPORT_ARCH is not negative.
12976 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
12978 * loop.c (verify_dominator): Properly handle ADDR_VEC and
12979 ADDR_DIFF_VEC insns that appear inside loops.
12981 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
12982 Jeff Law <law@cygnus.com>
12984 * rs6000.md (movdf_hardfloat32): Revert previous patch.
12985 Handle LO_SUM the same as offsettable in cases 1 and 2.
12986 * rs6000.c (find_addr_reg): Revert previous patch.
12988 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
12990 * system.h (strstr): New external function declaration.
12991 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
12992 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
12993 * config.in, configure: Rebuilt.
12995 1999-06-24 Tom Tromey <tromey@cygnus.com>
12997 * gcc.c (main): Read user-specified specs files after computing
12998 additional startfile_prefixes.
13000 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
13002 Revert these two patches:
13004 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13005 * loop.c (strength_reduce): When doing biv->giv conversion, update
13006 reg note of NEXT->insn.
13008 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13009 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13011 (recombine_givs): Set ix field after sorting.
13013 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13015 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
13016 for the parts of an UNSPEC / UNSPEC_VOLATILE.
13018 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
13020 *fixinc/inclhack.def: Add fix development commentary
13021 (read_ret_type): reactivate and add selection clause
13022 (zzz_*): tweak output file name to match what is used in hackshell.tpl
13023 *fixinc/{fixincl.x|inclhack.sh}: regen
13025 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
13027 * expr.c (expand_expr): STRIP_NOPS before checking against
13028 MAX_INTEGER_COMPUTATION_MODE
13029 (check_max_integer_computation_mode): Likewise.
13031 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
13033 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
13035 1999-06-22 Jim Wilson <wilson@cygnus.com>
13037 * expr.c (store_expr): When target is a promoted subreg, return a
13038 promoted subreg as a result.
13040 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
13042 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
13044 (dwarf2out_define): Mark unused parameters appropriately.
13045 (gen_unspecified_parameters_die): Ditto.
13046 (gen_subprogram_die): Fix signed/unsigned warnings.
13047 (gen_variable_die): Ditto.
13049 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
13051 * fixinc/inclhack.def(end_else_label): combined else_label
13052 and endif_label and fixed the sed expression.
13053 *fixinc/{fixincl.x|inclhack.sh}: regen
13055 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
13057 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
13058 'x' when handling non-offsettable addresses
13060 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
13062 * final.c (shorten_branches): Don't try to split an insn that has
13065 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
13067 * config/mips/mips.c (symbolic_expression_p): New function.
13068 (mips_select_rtx_section): Put symbolic expressions in the
13069 data section, not the read-only data section.
13071 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
13073 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
13075 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
13077 * collect2.c (main): Log frame table count.
13078 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
13079 (scan_prog_file) [COFF]: Handle frame tables.
13081 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
13082 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
13083 * alpha/elf.h: Undef them again.
13084 * alpha/vms.h: Remove their definitions.
13086 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13088 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
13089 remove the clobber of r0 and change the REG_UNUSED note to
13092 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
13094 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
13095 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
13096 fits in HOST_WIDE_INT and one uses union to access a long constant
13099 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
13101 * sparc.c (sparc_override_options): Don't allow profiling for
13102 code models other than medlow.
13103 (sparc_function_profiler): New function from old FUNCTION_PROFILER
13104 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
13105 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
13106 (sparc_block_profiler): Likewise.
13107 (sparc_function_block_profiler_exit): Likewise.
13108 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
13109 (FUNCTION_BLOCK_PROFILER): Likewise.
13110 (BLOCK_PROFILER): Likewise.
13111 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
13112 (MCOUNT_FUNCTION): New.
13113 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
13114 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
13115 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
13116 (MCOUNT_FUNCTION): New.
13117 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
13118 (BLOCK_PROFILER): Delete.
13119 (MCOUNT_FUNCTION): New.
13121 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
13123 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
13125 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13127 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13130 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13133 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13136 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13139 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
13141 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
13144 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
13146 * i386/djgpp.h (LIB_SPEC): New.
13147 (STARTFILE_SPEC): New.
13149 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
13151 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
13153 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
13156 * system.h (WSTOPSIG): New macro.
13158 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
13160 * c-pragma.c (push_alignment): Don't ignore alignments greater than
13162 (insert_pack_attributes): Take into account member natural
13165 * i386/winnt.c (exports_head): New static variable.
13166 (i386_pe_record_exported_symbol): New function.
13167 (i386_pe_asm_file_end): Use.
13168 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
13169 symbols to be emitted at end of assembly.
13170 (ASM_DECLARE_OBJECT_NAME): Likewise.
13171 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13173 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
13176 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
13178 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
13181 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
13183 * haifa-sched.c (sched_analyze_1): Use free_list instead of
13184 zapping reg_last_uses directly.
13185 (sched_analyze_2, sched_analyze_insn): Likewise.
13186 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
13188 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
13190 * rs6000.md (movdf_hardfloat32): Use worst case insn length
13191 attributes for cases 1 and 2.
13193 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
13195 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
13198 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
13200 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
13202 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
13204 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
13205 PIC_OFFSET_TABLE_REGNUM for general alloaction.
13206 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
13207 must be stacked if it is used for PIC accesses.
13208 * arm.c (use_return_insn): Handle PIC register specially.
13209 (output_return_instruction): Likewise.
13210 (output_func_{prologue,epilogue}): Likewise.
13211 (output_expand_prologue): Likewise.
13213 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
13214 (*strsi_predec): Renamed from *strqi_predec.
13215 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
13216 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
13218 * arm.c (arm_override_options): Remove warning about PIC code
13219 not being supported.
13221 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
13223 * rs6000.c (find_addr_reg): New function.
13224 * rs6000.h (find_addr_reg): Declare.
13225 (offsettable_addr_operand): Delete.
13226 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
13227 from and stores to GPRs.
13229 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
13231 * alpha.c (alpha_expand_block_move): Use get_insns rather than
13232 gen_sequence as argument to emit_no_conflict_block.
13234 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13236 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
13237 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
13238 *fixinc/fixincl.x: regen
13239 *fixinc/inclhack.sh: regen
13241 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
13243 * added support for -mpcrel (PC relative addressing for m68k)
13244 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
13245 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
13246 * m68k.c (print_operand_address): Handle 32-bit PIC case.
13247 (comments for general_src_operand): Add some explanation
13248 about EXTRA_CONSTRAINTS.
13249 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
13250 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
13251 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
13252 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
13253 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
13254 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
13255 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
13256 if not already set.
13257 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
13258 * m68k.h (TARGET_PCREL): New target flag.
13259 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
13260 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
13261 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
13262 contains a SYMBOL_REF. Relax this constraint during reload, since
13263 we want to use the predicates, not reload's built-in concept of a
13264 valid memory address, to control what insns need reloading.
13265 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
13266 operands (essentially 'g', 'm', and 's' under normal circumstances).
13267 * m68k.c (print_operand): Cause printing of pc-relative addresses
13268 to include pc register.
13269 (print_operand_address): Ditto.
13270 (general_src_operand): Accept operands that are not only
13271 general_operands, but are also valid when used as a pc-relative
13273 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
13274 (memory_src_operand): Similar, for memory_operands.
13275 (pcrel_address): New predicate to accept the special case of a
13276 pc-relative address.
13277 * m68k.md (many patterns): Rewrite common SImode, HImode, and
13278 QImode insns to accept *_src_operand instead of *_operand where
13279 pc-relative operands can fit. For example, a pc-relative operand
13280 can be used as a memory source operand for addsi3, but not as a
13281 memory destination.
13282 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
13284 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
13286 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
13287 .thumb_set pseudo op to mark aliases of thumb functions.
13289 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
13291 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
13292 preference to ASM_OUTPUT_DEF, if it is defined.
13294 * tm.texi: Document new, optional target macro
13295 ASM_OUTPUT_DEF_FROM_DECLS.
13297 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13299 * fixincludes: ISCNTL patch
13300 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
13301 (dgux_int_varargs): new for DG/UX
13302 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
13304 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
13306 * invoke.texi (ia32 options): Fix typo.
13308 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13310 * loop.c (strength_reduce): When doing biv->giv conversion, update
13311 reg note of NEXT->insn.
13313 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
13315 * loop.c (move_movables): Note issues with replacing REGs with
13317 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
13319 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
13321 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
13323 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
13324 the reference to `mcount' was not correct for the ELF on FreeBSD.
13326 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13328 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13331 (recombine_givs): Set ix field after sorting.
13333 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
13335 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
13336 to safe to extract a subword out of a REG.
13338 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13340 * sh.md (mulsi3): Don't add a no-op move at the end.
13342 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13344 * cse.c (cse_insn): Don't put hard register source into tables for
13345 the last insn of a libcall.
13347 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13349 * loop.c (strength_reduce): Insert sets of derived givs at every
13350 biv increment, even if it's the only one.
13352 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13354 * dwarfout.c (add_incomplete_type): New fn.
13355 (output_type): Call it.
13356 (retry_incomplete_types): New fn.
13357 (dwarfout_finish): Call it.
13359 From Eric Raskin <ehr@listworks.com>:
13360 (output_type): Output types for bases.
13362 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13364 * mips.c (mips_output_conditional_branch): Add `break'
13365 between `default' label and `close braces'.
13367 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
13369 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
13370 specifications and make it realistic.
13371 (LIB_SPEC): Likewise.
13373 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
13375 * config/mips/mips.c (mips_secondary_reload_class): Check for
13376 (PLUS (SP) (REG)) and return appropriate register class.
13377 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
13378 Handle (PLUS (SP) (REG)).
13379 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
13380 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
13381 of emit_insn for tablejump.
13383 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
13385 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
13386 asm_fprintf format string by itself.
13387 (output_function_profiler): Likewise.
13389 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
13391 * combine.c (simplify_logical, case AND): Only call
13392 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
13393 or the constant is positive.
13395 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
13397 * configure.in: Fix typo in rs6000-ibm-aix4 case.
13398 * configure: Regenerate.
13400 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
13402 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
13403 require a sub-version #.
13404 * configure: Rebuilt.
13406 1999-06-14 Robert Lipe (robertlipe@usa.net)
13408 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
13410 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
13412 * c-typeck.c (process_init_element): Detect excess elements in
13413 char array initializer.
13415 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13417 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
13419 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13421 * invoke.texi (Option Summary): Add -fpermissive flag.
13423 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
13425 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
13426 that require PIC code sequences.
13428 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
13430 * configure.in: Add new target: thumb-elf.
13431 * configure: Regenerate.
13432 * config/arm/t-thumb-elf: New file: Makefile fragment for
13434 * config/arm/telf.h: New file: Header file for thumb-elf
13437 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
13439 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
13440 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
13441 initializers is some circumstances.
13443 * fixinc/inclhack.def (endif_label): Add additional selector for
13444 more bogus stuff after #endif statements.
13445 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13447 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
13449 * i386/cygwin.h (SET_ASM_OP): Define.
13451 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
13453 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
13455 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13457 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
13460 * sh.md (ic_invalidate_line_i): Remove second alternative.
13462 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13464 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
13465 test for the presence of valid prototypes. Delete bypass expr.
13466 (ioctl_fix_ctrl): Correct the selection expression.
13467 (no_double_slash): Correct quoting rules
13468 *fixinc/fixincl.x: regen
13469 *fixinc/inclhack.sh: regen
13471 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
13473 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
13475 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13477 * rs6000.md (movsi_got_internal_mem): Delete.
13478 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
13479 (GOT_TOC_REGNUM): Delete.
13480 (PIC_OFFSET_TABLE_REGNUM): Define.
13481 (FINALIZE_PIC): Disable.
13482 * rs6000.c (rs6000_got_register): New code for fixed pic register.
13483 (rs6000_replace_regno): Delete.
13484 (rs6000_finalize_pic): Likewise.
13485 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
13487 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13489 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
13490 is a note; use <= for the compare; advance P while it is
13493 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
13495 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
13496 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
13498 * varasm.c (remove_from_pending_weak_list): Verify t->name
13499 is non-NULL before passing it to strcmp.
13501 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13503 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
13504 the typed arguments are not part of a comment
13505 (ioctl_fix_ctrl): Added a purpose comment
13506 *fixinc/fixincl.x: regenerate
13507 *fixinc/inclhack.sh: regenerate
13509 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13511 * invoke.texi: Add C4x invocation docs.
13513 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13515 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
13517 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
13519 (c4x_legitimize_reload_address): New function.
13520 * config/c4x/c4x.md: Update docs.
13522 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
13524 * fixincludes: Avoid removing '.'.
13525 * fixinc/fixinc.svr4: Likewise.
13526 * fixinc/fixinc.winnt: Likewise.
13527 * fixinc/inclhack.tpl: Likewise.
13528 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
13530 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13532 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
13534 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
13536 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
13538 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
13541 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
13543 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
13544 * configure: Regenerate.
13546 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
13548 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
13551 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
13553 * fixinc/inclhack.def (avoid_bool): Also catch
13554 "typedef [unsigned] int bool".
13555 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13557 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
13558 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
13559 * configure: Rebuilt.
13561 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
13563 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
13564 such that we can override its definitions if necessary.
13565 (CPP_SPEC): New define. Support processor specific predefines via
13567 (CC1_SPEC): New define. Support processor specific compiler
13568 options via %(cc1_cpu).
13569 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
13572 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13574 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
13575 between sed's -e flag, and the open-quote following it.
13576 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13578 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
13579 Jeffrey A Law (law@cygnus.com)
13581 * varasm.c (assemble_start_function): Remove the function
13582 from the pending weak decls list when we define a function.
13583 (assemble_variable): Similarly for variables.
13584 (weak_finish): Ignore items on the list with a NULL name.
13585 (remove_from_ending_weak_list); New function to "remove" an item
13586 from the pending weak declarations list.
13588 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13590 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
13592 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
13594 * c-lex.c (GETC): Redefine to call getch.
13595 (UNGETC): Redefine to call put_back.
13596 (putback_buffer): New structure type.
13597 (putback): New static structure.
13598 (getch): New function.
13599 (put_back): New function.
13600 (yylex): Replace unused bytes from bad multibyte character.
13602 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
13604 * cpplib.c (do_define): Cast `alloca' return value.
13605 (do_include, do_undef, do_pragma): Likewise.
13606 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
13608 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
13609 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
13611 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
13613 * sparc.md (abstf2): This should be an expand.
13614 (split after abstf2_notv9): Fix mode.
13615 (abstf2_hq_v9): New pattern.
13616 (abstf2_v9): Only use when no hard quad.
13617 (absdf2_v9): Fix if target is not the same as source.
13618 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
13619 Add correct output constraints.
13621 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
13623 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
13624 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
13626 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
13628 * mips.h (mips_output_conditional_branch): New function.
13629 (mips_adjust_insn_length): Likewise.
13630 (ASSEMBLER_SCRATCH_REGNUM): New macro.
13631 (ADJUST_INSN_LENGTH): Likewise.
13632 * mips.c (print_operand): Add `F' and `W' for floating-point
13633 comparison opcodes.
13634 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
13636 (mips_adjust_insn_length): New function.
13637 (mips_output_conditional_branch): New function.
13638 * mips.md (length): Adjust attribute definition to handle
13639 conditional branches. Change lengths to bytes, rather than
13640 instructions throughout. Remove length attribute from
13641 instructions whose length is four bytes, and rely on the default
13643 (dslot): Fix typo in comment.
13644 Reword conditional branch patterns to use
13645 mips_output_conditional_branch.
13647 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13649 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
13650 (LIB_SPEC): Likewise.
13651 Link with -lprof1_r for -g/-pg.
13653 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13655 * loop.c (check_dbra_loop): Fix change of Jan 19.
13657 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
13659 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
13660 (STARTFILE_SPEC): Define, override the svr4.h version.
13661 (ENDFILE_SPEC): Likewise.
13663 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
13665 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
13666 * fixinc/fixincl.x: Regenerated.
13667 * fixinc/inclhack.sh: Regenerated.
13669 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13671 * sh.c (barrier_align): Don't return early for normal branch/barrier
13672 when optimizing for SH2.
13674 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
13676 * i386/udk.h (LINK_SPEC): Correct linker search path for
13679 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13681 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
13682 (braf_label_ref_operand): Delete.
13683 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
13684 * sh.md (casesi_jump_2): Operand1 is now the inside of a
13685 label_ref, and has no predicate.
13686 The patten has a predicate to guard against invalid substitutions.
13687 (dummy_jump): Delete.
13688 (casesi): Update use of casesi_jump_2.
13690 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13692 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
13693 *fixinc/fixincl.x: regenerate
13694 *fixinc/inclhack.sh: regenerate
13696 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
13698 * dwarf2out.c (add_incomplete_type): New fn.
13699 (gen_struct_or_union_type_die): Call it.
13700 (retry_incomplete_types): New fn.
13701 (dwarf2out_finish): Call it.
13703 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
13705 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
13706 current block starts with a CODE_LABEL and ends with a CALL and
13707 we can not find all the argument setup instructions for the CALL.
13709 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
13711 Revert this change:
13712 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13713 something is a candidate for optimize_bit_field_compare.
13715 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13717 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
13719 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
13721 * alpha.c (override_options): Thinko in last patch.
13723 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
13724 (LIB_SPEC): Recognize -pthread.
13726 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
13728 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
13729 definition in config/arm/coff.h
13730 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
13732 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13734 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
13735 fixes that need "file=xxx\n" prepended before invocation
13736 (start_fixer - new): starting the fixer process is complex enough
13737 to warrent its own routine. It prepends the "file=xxx\n" stuff.
13738 (process): uses the new routine; omit usage of putenv()
13739 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
13740 * fixinc/fixincl.x: regenerate
13742 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
13744 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
13745 and version #s (1.1 -> 2.96) as needed.
13746 * README.g77: Kill way out of date file in the toplevel directory.
13748 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
13750 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
13751 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
13752 * configure: Rebuilt.
13753 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
13754 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
13755 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
13756 (SWITCH_TAKES_ARG): Likewise.
13757 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
13758 * config/t-freebsd: Moved from config/i386/ so it can used for all
13761 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
13763 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
13765 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
13767 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
13768 * configure: Rebuilt.
13770 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
13772 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
13773 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
13774 * rs6000/rs6000.c (rs6000_file_start): Use putc.
13775 (rs6000_output_load_toc_table): Same.
13776 (output_prolog, output_mi_thunk): Same.
13777 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
13778 (ASM_GLOBALIZE_LABEL): Use putc.
13780 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
13782 * alpha.md (reload_*_help): New patterns and splitters.
13783 (reload_*): Use them.
13784 (mov[qh]i): Likewise.
13786 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
13788 * cccp.c (handle_directive): Handle backslash-newlines in quoted
13791 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
13793 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
13795 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
13797 * flow.c (mark_regs_live_at_end, insn_dead_p,
13798 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
13799 and HARD_FRAME_POINTER_REGNUM special treatment if reload
13800 hasn't run or the frame pointer is needed.
13801 * haifa-sched.c (attach_deaths): Likewise.
13802 * sched.c (attach_deaths): Likewise.
13804 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
13806 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
13807 calculate_can_reach_end returns nonzero.
13809 * configure.in (native gas tests): Search for an assembler in the
13810 same manner that the installed compiler will.
13811 * configure: Rebuilt.
13812 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
13814 * alias.c (find_base_term): Improve handling of addresses
13815 constructed from binary operations.
13817 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
13819 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
13821 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
13823 * function.h (cleanup_label, frame_offset): Declare.
13824 (tail_recursion_label, tail_recursion_reentry): Likewise.
13825 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13826 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
13827 (tail_recursion_label, tail_recursion_reentry): Likewise.
13828 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13830 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
13832 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
13834 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
13835 (MAX_OFILE_ALIGNMENT): Define.
13837 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
13839 * fixincl.c: Replace local include scheme with #includes of
13840 gansidecl.h and system.h.
13841 * procopen.c: Likewise.
13842 * server.c: Likewise.
13844 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
13846 * i386/t-dgux (EXTRA_PARTS): Add crti.o
13847 (crti.o): Add build rule and dependencies.
13848 * fixinc/fixinc.dgux: Use modified _int_varargs.h
13850 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13852 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
13853 (LIB_LINUX_SPEC): Likewise.
13854 (LIB_LINUX_SPEC): Add support for -pthread
13855 (CPP_OS_LINUX_SPEC): Likewise.
13856 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
13859 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
13861 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
13863 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
13864 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
13865 for IEEE math and CC_FCOMI.
13866 (put_jump_code): No IEEE if CC_FCOMI is set.
13868 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13870 * fold-const.c (fold_truthop): Make the field reference unsigned
13871 when converting a single bit compare.
13873 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13875 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
13877 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
13879 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
13880 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
13883 * reload.c (push_reload): Do not call remove_address_replacements
13884 when presented with identical optional reloads.
13886 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
13888 * alpha.h (MASK_FIX, TARGET_FIX): New.
13889 (MASK_*): Reorganize constants.
13890 (CPP_AM_FIX_SPEC): New.
13891 (TARGET_SWITCHES): Add FIX.
13892 (EXTRA_SPECS): Likewise.
13893 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
13894 (SECONDARY_MEMORY_NEEDED): Likewise.
13895 (REGISTER_MOVE_COST): Likewise.
13896 * alpha.c (override_options): Add FIX support. Always use
13897 ALPHA_TP_PROG for ev6.
13898 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
13899 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
13900 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
13902 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
13904 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13905 something is a candidate for optimize_bit_field_compare.
13907 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
13909 * gcc.texi (Passes): Document branch-shortening.
13910 * invoke.texi (Debugging Options): Document the fact that `-dp'
13911 outputs length information for instructions.
13913 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
13915 * flow.c: Revert previous delta.
13917 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
13919 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
13920 FRAME_POINTER_REGNUM.
13921 (mark_set_1): Ditto.
13922 (mark_used_regs): Ditto.
13924 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
13926 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
13927 (GOT_PCREL): New macro. Define to 1 if not already defined.
13928 * arm/elf.h (GOT_PCREL): Define to 0.
13929 * arm.c (arm_finalize_pic): Take into account the setting of
13932 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
13934 * output.h (STRIP_NAME_ENCODING): Provide default definition.
13935 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
13937 * flow.c (mark_set_1): Do not record BLKmode stores as dead
13938 store elimination candidates.
13940 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
13942 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
13945 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
13947 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
13948 Add use of x-aix41-gld.
13950 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
13952 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
13953 (ASM_OUTPUT_DESTRUCTOR): Define.
13955 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
13957 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
13958 last CODE_LABEL in a loop if we have previously passed a jump
13959 to the top of the loop.
13961 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
13963 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
13964 applying Philip's patch.
13966 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
13968 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
13971 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
13973 * loop.c (strength_reduce): Grow reg_single_usage as needed.
13975 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
13977 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
13978 Also remove a useless comment.
13980 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13982 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
13984 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
13986 * collect2.c (main): Only generate import or export file and add
13987 to link arguments if non-empty. Use xmalloc not alloca.
13988 (write_{export,import}_file): Delete.
13989 (write_aix_file): New function.
13990 (locatelib): Use xmalloc not malloc.
13991 (GCC_OK_SYMBOL): Do not check type if aix64.
13993 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
13995 Based on patch by Scott Bambrough and Pat Beirne:
13996 * config/arm/arm.c (making_const_table): New variable.
13997 * config/arm/arm.h (making_const_table): Declare.
13998 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
14000 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
14001 Keep track of when we are building the constant table.
14003 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
14005 * config/arm/arm.c (arm_override_options): Fix erroneous warning
14008 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
14010 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
14013 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
14015 * tm.texi (FUNCTION_ARG): Correct description of a stack element
14018 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
14020 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
14022 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14024 * rs6000.c (output_mi_thunk): Enable full support again.
14026 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14028 * sh.h (BRANCH_COST): Define.
14030 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
14032 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
14034 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
14036 * function.c (assign_stack_local): Align stack slot propertly.
14037 (assign_outer_stack_local): Likewise.
14039 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
14041 * expr.h (lang_expand_constant): Declare.
14042 * toplev.c (lang_expand_constant): Define it.
14043 * varasm.c (output_constant): Use it.
14045 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14047 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
14048 Change function definitions to K&R style.
14050 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14052 * fixinc/fixincl.c: We must not ignore SIGCLD now.
14054 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
14056 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
14057 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
14058 (several places): omit static initialization
14059 (process): use single fd, since only the read fd is used
14060 * fixinc/gnu-regex.c: define 'const' away, if not supported
14061 * fixinc/procopen.c(several places): omit static initialization
14062 * fixinc/server.c: define 'volitile' away, if not supported
14064 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14066 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
14067 asm_fprintf and %L to generate the label name.
14068 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
14069 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
14071 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
14073 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
14074 insn for a conditional jump can not be found.
14076 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
14078 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
14079 on variables in specific sections other than .sbss and .sdata.
14081 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
14083 * stmt.c (expand_return): Call start_cleanup_deferral and
14084 end_cleanup_deferral around conditional code.
14086 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14088 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
14089 filename lists. Utilizes new "krstr" AutoGen function.
14090 * fixinc/fixincl.x: Rebuilt.
14092 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
14094 * i386.c (output_float_compare): Avoid GNU-C extensions.
14096 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
14098 * version.c: Bump to distinguish mainline tree from the
14101 See ChangeLog.1 for earlier changes.