1 2000-02-23 Nick Clifton <nickc@cygnus.com>
3 * config/arm/arm.c (arm_comp_type_attributes): Simply and
4 comment tests on type attributes.
6 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8 * final.c (shorten_branches): Make value passed to LABEL_ALIGN
9 conform to documentation.
10 * sh.h (LABEL_ALIGN): If aligning loops, call sh_label_align
11 to check for special cases.
12 * sh-protos.h (sh_label_align): Declare.
13 * sh.c (sh_label_align): Define.
15 2000-02-22 Andrew Haley <aph@cygnus.com>
17 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
18 (SIZE_TYPE): Is 32 bits when using -mgp32.
19 (PTRDIFF_TYPE): Ditto.
21 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
23 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
25 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
27 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
28 BIGGEST_FIELD_ALIGNMENT a constant.
30 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
32 * dwarf2out.c (output_line_info): Put the marker for the end of
33 the line number info at the actual end.
34 (gen_struct_or_union_type_die): Use decl_function_context
35 to check for local classes.
36 * dwarfout.c (output_type): Likewise.
38 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
40 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
41 for arguments with a mode, but no type.
42 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
43 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
44 * pa/long_double.h: New file.
45 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
46 both have 128bit wide long doubles.
49 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
51 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
53 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
54 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
55 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
57 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
59 * integrate.c (compare_blocks, find_block): Likewise.
61 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
63 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
65 * stmt.c (stmt_status, set_file_and_line_for_stmt,
66 expand_asm_operands): Likewise.
68 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
70 * predict.c (estimate_probability): Added the pointer heuristic to
71 the collection of static branch predictors.
73 2000-02-21 Catherine Moore <clm@cygnus.com>
75 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
76 * invoke.texi (-mfix7000): Document.
78 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
80 * diagnostic.c (init_output_buffer): Make it possible to output at
81 least 32 characters if we're given a too long prefix.
83 2000-02-20 Mark Mitchell <mark@codesourcery.com>
85 * varasm.c (initializer_constant_valid_p): Call
86 lang_expand_constant to simplify the constant.
88 2000-02-20 Bruce Korb <bkorb@gnu.org>
90 * fixinc/inclhack.def(stdio_va_list):
91 typedef needs to be disabled.
92 * fixinc/inclhack.sh: regen
93 * fixinc/fixincl.x: regen
95 2000-02-20 Geoff Keating <geoffk@cygnus.com>
97 * print-rtl.c (print_rtx): Don't print addresses when
100 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
102 * sparc.c (sparc_output_scratch_registers): Mark parameter with
104 (sparc_va_arg, sparc_flat_output_function_prologue,
105 sparc_flat_output_function_epilogue): Cast value to unsigned in
107 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
109 * sparc.md: Add default case in switch.
111 2000-02-19 Richard Henderson <rth@cygnus.com>
113 * c-typeck.c (add_pending_init): Don't abort for multiple
114 fields at the same offset.
115 (pending_init_member): Test the correct member.
117 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
119 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
121 (start_catch_handler) : Same.
123 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
125 * Makefile.in: Have flow.o depend on $(EXPR_H)
127 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
129 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
130 * c-decl.c (duplicate_decls, finish_enum): Likewise.
131 (finish_decl): Remove -Wlarger-than code from here.
132 * flags.h (id_clash_len): Now int.
133 (larger_than_size): Now HOST_WIDE_INT.
134 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
135 Clean up checking to see if in table.
136 (make_bit_field_ref): Remove extra parm to bitsize_int.
137 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
138 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
139 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
140 and for computing size of decl.
141 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
142 Move -Wlarger-than code to here.
143 (layout_record): Remove extra arg to bitsize_int.
144 Set TYPE_BINFO_SIZE_UNIT.
145 (layout_union): Remove extra arg to bitsize_int.
146 Use proper type for size of QUAL_UNION.
147 (layout_type): Remove extra arg to bitsize_int.
148 * toplev.c (id_clash_len): Now int.
149 (larger_than_size): Now HOST_WIDE_INT.
150 (decode_W_option): Clean up id-clash and larger-than- cases.
151 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
152 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
153 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
154 (struct tree_decl): New field size_unit.
155 (size_int_wide): No HIGH operand; NUMBER is now signed.
156 (size_int_2): Deleted.
157 (size_int, bitsize_int): Don't use it and rework args.
158 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
160 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
162 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
164 2000-02-18 Geoff Keating <geoffk@cygnus.com>
166 * invoke.texi (Warning Options): Add an explanation of why
167 you might want the -Wfloat-equal flag.
169 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
171 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
172 * cppinit.c (new_pending_define): Add cast to avoid warning.
173 * expmed.c (extract_bit_field): Likewise.
174 * flow.c (enum reorder_skip_type): New type.
175 (skip_insns_between_blcok): New it.
176 Rework to avoid warning about possibly undefined variable.
177 * function.c (assign_parms): Make thisparm_boundary unsigned.
178 * genrecog.c (write_switch): Cast XWINT result to int.
179 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
180 * mips-tfile.c (init_file): Make two versions of FDR intializer:
181 one for MIPS and one for Alpha.
182 (get_tag, copy_object): Add casts to avoid warnings.
183 * optabs.c (init_one_libfunc): Cast NAME to (char *).
184 * reload.c (find_reloads): Make TYPE enum reload_type.
185 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
186 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
187 * varasm.c (compare_constant_1): Add cast to avoid warning.
188 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
190 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
191 Cast switch operand of size to int.
192 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
193 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
196 2000-02-18 Nick Clifton <nickc@cygnus.com>
198 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
199 anything for an alignment of zero.
201 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
202 anything for an alignment of zero.
204 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
206 * gcc.texi (Bug Reporting): Refer to bugs.html.
207 (Bug Lists): Likewise.
208 * system.h (GCCBUGURL): New preprocessor define.
209 * rtl.c (fancy_abort): Use it.
210 * gcc.c (main): Likewise.
212 2000-02-18 Richard Henderson <rth@cygnus.com>
214 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
215 (life_analysis_1): Subsume into ...
216 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
217 Use update_life_info for the relaxation.
218 (update_life_info): Update REG_BASIC_BLOCK for registers live on
219 entry and regs_live_at_setjmp.
220 (set_noop_p): Simplify.
221 (notice_stack_pointer_modification_1): Renamed from s/_1//.
222 (record_volatile_insns): Split into ...
223 (delete_noop_moves): ... here,
224 (notice_stack_pointer_modification): ... here,
225 (insn_dead_p): ... and here.
226 (propagate_block): Don't query INSN_VOLATILE.
227 (mark_used_regs): Mind !PROP_REG_INFO.
228 * toplev.c (rest_of_compilation): Call mark_constant_function here,
229 not in life_analysis.
231 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
233 * loop.c (canonicalize_condition): New function,
234 broken out of get_condition.
235 (get_condition): Use it.
236 * expr.h (canonicalize_condition): Prototype it.
238 * tree.h (tree_int_cst_msb): Declare.
239 * tree.c (tree_int_cst_msb): New function.
241 2000-02-17 Mark Mitchell <mark@codesourcery.com>
243 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
246 * invoke.texi (-fmessage-length=n): Document.
248 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
250 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
252 2000-02-17 Mark Mitchell <mark@codesourcery.com>
254 * function.c (thread_prologue_and_epilogue_insns): Put a line note
257 2000-02-17 Nick Clifton <nickc@cygnus.com>
259 * config/arm/thumb.c: Replace includes of system headers with
262 2000-02-16 Richard Henderson <rth@cygnus.com>
264 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
265 Add crtbeginS.o and crtendS.o.
266 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
267 (ENDFILE_SPEC): Use crtendS.o.
268 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
270 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
271 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
273 (__dso_handle): New variable.
274 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
275 bias to __CTOR_END__.
277 2000-02-16 Richard Henderson <rth@cygnus.com>
279 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
281 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
283 * longlong.h (__clz_tab): Declare as static to match definition.
285 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
286 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
287 (XREF_FILE_NAME): Define.
289 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
290 (EH_FRAME_SECTION_ASM_OP): Define.
291 (IDENT_ASM_OP): Define.
292 (TEXT_SECTION_ASM_OP): Define.
294 (CTORS_SECTION_ASM_OP): Define.
295 (CTOR_SECTION_FUNCTION): Use it.
296 (DTORS_SECTION_ASM_OP): Define.
297 (DTOR_SECTION_FUNCTION): Use it.
299 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
301 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
304 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
305 debug_bb_n): New functions.
306 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
307 * basic-block.h: Prototype new functions.
309 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
311 * configure.in: Add support for avr target.
312 * configure: Rebuilt.
314 * invoke.texi: Add AVR invocation docs.
315 * install.texi: Add information about AVR.
316 * md.texi: Add AVR constraint letters description.
317 * extend.texi: Add description for AVR specific attributes.
319 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
321 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
323 2000-02-16 Nick Clifton <nickc@cygnus.com>
325 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
326 (make_insn_raw): Move RTL check here.
328 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * version.c: Include gansidecl.h and version.h.
332 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
334 * configure.in (gcc_version): When setting, narrow search to
335 lines containing `version_string'.
337 * Makefile.in (mainversion): Likewise.
338 (GCC_H): New variable.
339 (gcc.h): Delete target.
340 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
341 (version.o): Depend on version.h.
342 (dbxout.o): Don't depend on gcc.h.
344 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
345 Michael Meissner <meissner@cygnus.com>
347 * md.texi (Simple Constraints): Add item about whitespace.
348 * genoutput.c (strip_whitespace): New.
349 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
350 strip_whitespace for constraints.
351 Test pointer using NULL, not 0.
353 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
355 * cpplib.c (do_line): Pedwarn for #line > 32767.
357 * c-lex.c (readescape): Warn about '\x', but do not reject it.
359 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
361 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
363 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
364 * cpp.texi: Document __GNUC_PATCHLEVEL__.
367 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
370 2000-02-15 Denis Chertykov <denisc@overta.ru>
372 * configure.in: Add support for avr target.
374 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
376 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
377 (sh_addr_diff_vec_mode): Don't declare.
378 * sh.c (sh_addr_diff_vec_mode): Delete.
380 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
382 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
384 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
386 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
387 (smulsi3_highpart_i): Name.
388 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
389 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
390 (smulsi3_highpart, umulsi3_highpart): Likewise.
392 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
393 correctly independent of endianness.
394 (mulsidi3, umulsidi3): Now define_insn. Hide details that
395 confuse the optimizers.
396 (mulsidi3+1, umulsidi3+1): New define_split.
398 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
400 * config/sh/sh.md: Guard insn splits against illegal registers.
401 * config/sh/sh.h: Correct comment about macros.
403 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
404 Andrew MacLeod <amacleod@cygnus.com>
406 * Makefile.in (lcm.o): Depend on insn-attr.h.
407 * basic-block.h (optimize_mode_switching): Declare.
408 * lcm.c (tm_p.h, insn-attr.h): #include.
409 (seginfo, bb_info): New structs.
410 (antic, transp, comp, delete, insert) : New file-scope static variables.
411 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
412 (reg_becomes_live, optimize_mode_switching): Likewise.
413 * tm.texi: Add description of mode switching macros.
414 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
416 * sh-protos.h (remove_dead_before_cse): Remove prototype.
417 (fldi_ok, fpscr_set_from_mem): New prototypes.
418 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
419 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
420 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
421 (sh_flag_remove_dead_before_cse): Remove declaration.
422 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
423 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
424 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
425 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
426 (barrier_align): Allow for JUMP_INSNS containing a parallel.
427 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
428 (fldi_ok): New function.
429 (get_fpscr_rtx): Add fpscr_rtx as GC root.
430 (emit_sf_insn): Only generate fpu switches when optimize < 1.
431 (emit_df_insn): Likewise.
432 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
433 (sh_flag_remove_dead_before_cse): Delete.
434 (get_free_reg, fpscr_set_from_mem): New functions.
435 * sh.md (movdf, movsf): Remove no_new_pseudos code.
436 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
438 2000-02-15 Loren Rittle <ljrittle@acm.org>
440 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
442 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
445 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
447 * cccp.c: Include version.h and/or don't declare `version_string'.
448 * collect2.c: Likewise.
450 * arm/aof.h: Likewise.
451 * arm/coff.h: Likewise.
452 * arm/elf.h: Likewise.
453 * arm/pe.h: Likewise.
454 * arm/tcoff.h: Likewise.
455 * arm/telf.h: Likewise.
456 * arm/tpe.h: Likewise.
457 * arm/vxarm.h: Likewise.
458 * convex/convex.c: Likewise.
459 * i386/dgux.c: Likewise.
460 * i386/sun386.h: Likewise.
461 * m88k/m88k.c: Likewise.
462 * mcore/mcore-pe.h: Likewise.
463 * mips/mips.h: Likewise.
464 * romp/romp.h: Likewise.
466 * cpphash.c: Likewise.
467 * cppinit.c: Likewise.
468 * dwarf2out.c: Likewise.
469 * dwarfout.c: Likewise.
472 * mips-tfile.c: Likewise.
473 * protoize.c: Likewise.
474 * toplev.c: Likewise.
477 * version.c (version_string): Constify a char*.
479 * version.h: New file.
481 2000-02-14 Nick Clifton <nickc@cygnus.com>
483 * configure.in: Add mcore-elf and mcore-pe targets.
484 * configure: Regenerate.
486 * NEWS: Add note that MCore port has been contributed.
488 * invoke.texi: Document command line switches for MCore port.
489 * install.texi: Add MCore to list of supported targets.
491 2000-02-14 Geoff Keating <geoffk@cygnus.com>
493 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
494 then we will need to import the frame handling functions.
495 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
496 to import the frames themselves.
498 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
499 Jason Eckhardt <jle@cygnus.com>
501 * basic_block.h: Added prototype for reorder_basic_blocks.
502 * toplev.c: Changes to add -freorder-blocks and graph dump after
503 block reordering is done.
504 * flow.c (reorder_block_def): New structure for use during block
506 (REORDER_BLOCK_*): New macros to access members of above structure.
507 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
508 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
509 functions for block reordering.
511 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
513 * gcc.texi (Passes): Fix typo.
514 * md.texi (Standard Names): Ditto.
515 * tm.texi (Storage Layout): Ditto.
517 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
519 * cpplib.c (do_define): Only free the old definition if it
522 2000-02-13 Neil Booth <NeilB@earthling.net>
524 * cppfiles.c (read_and_prescan): When emitting deferred
525 newlines, test speccase[] again instead of checking each
526 possible whitespace character in turn. When we encounter \r,
527 look behind for \n first, then ahead.
529 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
531 * cse.c (cse_altered): New internal flag.
532 (cse_insn): Set it if we changed an insn.
533 (cse_main): Clear cse_altered before each basic block.
534 Only garbage collect if cse_altered is true afterward.
536 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
538 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
540 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
542 * combine.c (simplify_comparison): Fix typo.
544 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
546 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
549 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
551 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
552 previously inserted node instead of root node. Caller changed.
554 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
556 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
558 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
560 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
561 __dereg_frame_dtor): Add prototype argument.
563 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
565 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
567 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
569 * gthr-vxworks.h (__gthread_once): Likewise.
571 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
573 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
575 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
576 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
577 stack pointer in functions w/o saved registers, output LEAVE more often
578 on TARGET_USE_LEAVE machines.
580 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
582 * config/arm/arm.c (arm_init_cumulative_args); New function:
583 Initlaise the CUMULATIE_ARGS strcuture for a function
585 (arm_function_arg): New function: Determine where to place a
586 function's argument. Also handles deciding the function's
588 (current_file_function_operand): New function: Return true if
589 the symbol is a function which has already been compiled.
590 (arm_is_long_call_p): New function: Return true if the
591 indicated function should be called via a long call.
592 (arm_valid_type_attribute_p): New function: Return true if the
593 attribute is a valid, arm specific, attribute.
594 (arm_comp_type_attribute): New function: Return true if the
595 two types have compatable, arm specific, attributes.
597 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
599 (FUNCTION_ARG): Redefine to call arm_function_arg.
600 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
602 (INIT_CUMULATIVE_ARGS): Redefine to call
603 arm_init_cumulative_args.
604 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
606 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
608 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
610 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
611 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
612 (COMP_TYPE_ATTRIBUTES): Define.
614 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
615 if a long call is needed.
616 (call_value): Call arm_is_long_call_p to decide if a long call
618 (call_symbol): Call arm_is_long_call_p to decide if a long call
621 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
623 2000-02-11 Denis Chertykov <denisc@overta.ru>
625 * README.AVR: New file with information about the avr ports.
626 * config/avr: New directory with avr port files.
628 2000-02-11 Andreas Jaeger <aj@suse.de>
630 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
632 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
634 * cpphash.c: Fix formatting, update commentary.
635 (dump_definition): Take three separate arguments instead of a
636 MACRODEF structure argument.
637 * cpphash.h: Update prototype of dump_definition.
638 * cppinit.c (cpp_finish): Update call of dump_definition.
640 * cpplib.c (do_define): Always create new hash entry with
641 T_MACRO type. Remove redundant check for redefinition of
642 poisoned identifier. Update call of dump_definition.
643 (do_undef): Don't call check_macro_name. Rename sym_length to
645 (do_error, do_warning): Don't use copy_rest_of_line or
647 (do_warning): Don't use pedwarn for the actual warning,
648 only the notice about its not being in the standard. (Fixes
649 bug with #warning in system headers.)
650 (do_ident): Stricter argument checking - accept only a single
651 string after #ident. Also, macro-expand the line.
652 (do_xifdef): Use cpp_defined. De-obfuscate.
654 (do_pragma): Split out specific pragma handling to separate
655 functions. Use get_directive_token. Update commentary. Do
656 not pass on #pragma once or #pragma poison to the front end.
657 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
658 do_pragma_default): New.
660 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
662 * jump.c (jump_optimize_1): The first operand in a relational
664 * optabs.c (emit_conditional_move): Handle relationals which
665 have a known true/false result.
667 2000-02-11 Geoff Keating <geoffk@cygnus.com>
669 * function.c (thread_prologue_and_epilogue_insns): Don't insert
670 a RETURN insn into a block which already ends with a jump.
672 2000-02-11 Geoff Keating <geoffk@cygnus.com>
674 * haifa-sched.c (BUF_LEN): Increase a lot.
676 2000-02-11 Nick Clifton <nickc@cygnus.com>
678 * configure.in: Add tm_p_file specification for thumb targets.
679 * configure: Regenerate.
681 * config/arm/thumb-protos.h: New file: Prototypes for exported
682 functions defined in thumb.c.
684 2000-02-11 Robert Lipe <robertl@sco.com>
686 * Makefile.in (bootstrap-lean): Remove additional files.
687 (bootstrap2-lean): Likewise.
688 (VOL_FILES): List of files for above.
690 2000-02-11 Nathan Sidwell <nathan@acm.org>
692 * cpphash.c (special_symbol): Remove spurious argument to
695 2000-02-11 Joel Sherrill (joel@OARcorp.com>
697 * configure.in: (i*86-*-rtems*): Swapped elf and coff
699 * configure: Rebuilt.
701 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
703 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
705 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
707 * pa.c, pa.h: Remove trigraph sequences within comments.
709 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
711 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
713 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
715 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
717 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
719 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
721 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
723 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
724 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
725 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
726 (ASM_FILE_END): Use c4x_file_end.
727 * config/c4x/c4x.c (c4x_global_label): New function.
728 (c4x_external_ref, c4x_file_end): Likewise.
730 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
731 (c4x_external_ref, c4x_end_file): Likewise.
733 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
735 * cppexp.c: Don't include cpphash.h.
736 (parse_charconst, cpp_lex): Use cpp_defined.
737 (cpp_lex): Use get_directive_token throughout. Remove
738 unnecessary cases from switch. Move assertion-handling code
740 (cpp_parse_expr): If we see '+' or '-', check the context to
741 determine if they are unary or binary operators. Streamline
742 the jumps a bit. Do not call skip_rest_of_line.
744 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
745 static. Export get_directive_token. Update commentary.
746 (cpp_defined): New function.
747 (do_define): Remove reference to T_PCSTRING. Call
748 free_definition to release memory for old definition, when
750 (eval_if_expression): Set only_seen_white to 0 before calling
751 cpp_parse_expr. Call skip_rest_of_line after it returns.
752 (cpp_read_check_assertion): Don't preserve a pointer into the
753 token buffer across a call to cpp_get_token.
755 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
756 * cppfiles.c (redundant_include_p): Use cpp_defined.
757 * cpphash.c (free_definition): New function.
758 (delete_macro): Use it. Update commentary.
759 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
761 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
762 from enum node_type. Prototype cpp_defined and get_directive_token.
763 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
765 * fix-header.c (check_macro_names): Use cpp_defined.
766 (read_scan_file): Set inhibit_warnings and inhibit_errors in
767 the options structure.
769 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
771 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
773 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
775 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
776 rather than die->die_tag.
778 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
780 * combine.c (make_extraction, force_to_mode): Avoid warning on
781 mixed-signedness conditionals.
782 (make_field_assignment, nonzero_bits): Likewise.
783 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
784 (store_split_bit_field, extract_split_bit_field): Likewise.
785 (extract_fixed_bit_field, store_bit_field,
786 * expr.c: Change alignment to be unsigned everywhere.
787 (move_by_pieces, store_constructor_field, store_constructor):
788 Alignment parm is unsigned.
789 (emit_block_move, emit_group_load, emit_group_store): Likewise.
790 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
791 (do_compare_rtx_and_jump): Likewise.
792 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
793 Compare align with GET_MODE_ALIGNMENT.
794 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
795 (get_inner_reference): Likewise.
796 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
797 (expand_assignment): Local vars for alignment now unsigned.
798 (store_constructor, store_field, expand_expr, do_jump): Likewise.
799 (do_compare_and_jump): Likewise.
800 (store_field): Call new function expr_align.
801 * expr.h (emit_block_move, emit_group_load, emit_group_store):
802 Alignment arg now unsigned.
803 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
804 (do_compare_rtx_and_jump, store_bit_field): Likewise.
805 (extract_bit_field): Likewise.
806 * fold-const.c (add_double): Add cast to eliminate signedness warning.
807 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
808 (get_best_mode): Alignment arg is unsigned.
809 * rtl.h (move_by_pieces): Likewise.
810 * store-layout.c (maximum_field_alignment, set_alignment):
812 (layout_decl): Alignment arg is now unsigned.
813 Remove unneeded casts.
814 (layout_record, layout_union, layout_type): Remove unneeded casts.
815 Local alignment variables now unsigned.
816 (get_best_mode): Alignment arg now unsigned.
817 * tree.c (expr_align): New function.
818 * tree.h (expr_align): Likewise.
819 (maximum_field_alignment, set_alignment): Now unsigned.
820 (get_inner_reference): Alignment argument is now pointer to unsigned.
821 * varasm.c (assemble_variable): Add cast to eliminate warning.
823 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
825 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
826 then store directly into op0.
828 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
829 the CALL_INSN, and emit the note immediately after it.
831 2000-02-10 Nick Clifton <nickc@cygnus.com>
833 * config/arm/thumb.md (epilogue): Include a (return) in the
834 generated insn, and emit it using emit_jump_insn not
837 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
839 * function.c (assign_temp): Change zero-sized arrays to size 1.
840 * integrate.c (expand_inline_function): Do not update
841 stack_alignment_needed
842 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
843 add some sanity checking, remove optimization for function with
846 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
848 * flow.c (mark_regs_live_at_end): Delete unused variables.
850 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
852 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
853 in macro FRAME_GROWS_DOWNWARD.
855 * stmt.c (expand_end_bindings): Delete unused variable.
857 * unroll.c (iteration_info): Mark parameter `loop' with
860 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
862 * fixinc/server.c (load_data): Return NULL if the marker line is
864 (run_shell): If load_data returns NULL, retry the command once, in
867 * configure: Rebuilt.
869 2000-02-09 Bruce Korb <bkorb@gnu.org>
871 * gcc/fixincludes: ** DELETED **
872 * gcc/fixcpp: ** DELETED **
873 * gcc/fixinc-nt.sed: ** DELETED **
874 * gcc/just-fixinc: ** DELETED **
875 * gcc/Makefile.in: Removed out-dated commentary
876 * gcc/configure.in: Removed fast-fixincludes disablement.
877 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
879 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
880 * function.c (thread_prologue_and_epilogue_insns): Uncomment
883 2000-02-09 Richard Henderson <rth@cygnus.com>
885 * jump.c (delete_insn): Don't delete user labels at -O0.
887 2000-02-09 Robert Lipe <robertl@sco.com>
889 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
890 Don't link with HOST_LIBS.
892 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
894 * configure.in: Correct --help text for --with-dwarf2.
895 Put tm-dwarf2.h after other tm files, if it's requested.
896 * configure: Regenerate.
897 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
900 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
902 * cpplib.h: Provide HASHNODE typedef and forward decl of
903 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
904 DEFINITION, struct hashnode, struct macrodef, struct
905 definition, scan_decls prototype, default defn of
906 INCLUDE_LEN_FUDGE moved elsewhere.
908 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
909 definition, and struct hashnode moved here. Remove the unused
910 'predefined' field from struct definition. Replace the 'args'
911 union with its sole member. All users updated (cpphash.c).
912 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
913 multiple include guard.
915 * cpphash.c (hashf): Make static; use better algorithm; drop
916 HASHSIZE parameter; return an unsigned int.
917 (cpp_lookup): Drop HASH parameter. PFILE parameter is
918 used. Calculate HASHSIZE modulus here.
919 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
921 (create_definition): Drop PREDEFINITION parameter.
922 * cpplib.c (do_define): Don't calculate a hash value here.
923 Don't pass (keyword == NULL) to create_definition.
925 * scan.h: Prototype scan_decls here.
926 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
927 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
928 callers of cpp_lookup and cpp_install updated.
930 * cpphash.c (macarg): Hoist all the flag diddling out of the
932 (macroexpand): ... and out of the loop that calls macarg.
933 Skip over the initial paren before macro arguments with
934 cpp_get_non_space_token; point may be some distance before
935 that paren. Abort if it's not there.
937 * cpplib.c (parse_clear_mark): Delete function.
938 (parse_set_mark, parse_goto_mark): Make static.
939 (ACTIVE_MARK_P): New macro.
940 (skip_block_comment, skip_line_comment): Do not bump the line
941 if ACTIVE_MARK_P is true.
942 (cpp_pop_buffer): The buffer to be popped may not have an
944 (cpp_get_token): When looking for the initial paren before
945 macro arguments, only set a mark in a file buffer, Always
946 return to that mark before proceeding to call macroexpand or
949 * cpplib.h: Remove prototypes of parse_set_mark,
950 parse_clear_mark, parse_goto_mark.
951 (struct cpp_options): Rename 'put_out_comments' to
952 'discard_comments' and invert its sense.
953 * cppinit.c, cpphash.c, cpplib.c: All users of
954 put_out_comments changed to use discard_comments, with
957 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
959 * function.c (thread_prologue_and_epilogue_insns): Don't delete
960 the edge from a block that both jumps and falls through to the
963 2000-02-09 Scott Bambrough <scottb@netwinder.org>
965 * config/arm/arm.md (movsi): In PIC mode, make sure that a
966 constant source address is legitimate.
968 2000-02-09 Philip Blundell <pb@futuretv.com>
970 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
973 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
975 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
977 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
979 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
980 ends with a newline and a NUL. Don't be so clever manipulating
983 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
985 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
986 not to BIGGEST_ALIGNMENT.
988 2000-02-08 Geoff Keating <geoffk@cygnus.com>
990 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
991 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
992 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
993 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
994 * frame.c (execute_cfa_insn): Handle
995 DW_CFA_GNU_negative_offset_extended.
997 2000-02-08 Richard Henderson <rth@cygnus.com>
999 * flow.c (tidy_fallthru_edges): Split out from ...
1000 (delete_unreachable_blocks): ... here.
1001 (find_basic_blocks): Use it.
1003 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1005 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
1007 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
1009 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
1010 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
1011 (fix-header.o): Don't depend on cpphash.h.
1013 * scan.c (hashstr): New function.
1014 * scan.h: Prototype it.
1015 * fix-header.c: Don't include cpphash.h. Use hashstr.
1016 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
1017 hashstr. Report hash table statistics. Add private
1018 definition of xrealloc.
1020 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1022 * i386.h (TARGET_SWITCHES): Fix typo in option name.
1024 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
1026 * function.c (thread_prologue_and_epilogue_insns): Don't replace
1027 jumps with returns unless they are jumps to the fallthru block.
1029 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
1031 * i386.md (addqi3_cc): Fix contraints.
1033 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1035 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
1037 2000-02-07 Mark Mitchell <mark@codesourcery.com>
1039 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
1040 carriage return after a macro name.
1042 2000-02-07 Fred Fish <fnf@be.com>
1044 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
1045 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
1047 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
1049 * cppfiles.c (deps_output): Count spacers in deps_column.
1051 2000-02-07 Neil Booth <NeilB@earthling.net>
1053 * cppinit.c (initialize_dependency_output): If there is no
1054 suffix, don't try to look for known suffixes. Use strrchr.
1055 (cpp_start_read): Remove duplicate initialization.
1057 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
1059 * calls.c (compute_argument_block_size): New argument
1060 preferred_stack_boundary.
1061 (expand_call): update cfun->preferred_stack_boundary, update call of
1062 compute_argument_block_size
1063 (emit_library_call): Increate cfun->preferred_stack_boundary
1064 to PREFERRED_STACK_BOUNDARY
1065 (emit_library_call_value): Likewise.
1066 * explow.c (allocate_dynamic_stack_spave): Likewise.
1067 * function.c (prepare_function_start): Set
1068 cfun->preferred_stack_boundary
1069 * function.h (struct function): Add preferred_stack_boundary field.
1070 * integrate.c (expand_inline_function): Update
1071 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
1072 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
1073 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
1075 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
1077 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
1078 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
1079 cpp_pedwarn, cpp_pedwarn_with_line,
1080 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
1081 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
1082 v_cpp_error_with_line, v_cpp_warning_with_line,
1083 cpp_message_from_errno, cpp_perror_with_name): Delete.
1085 * cpperror.c (cpp_print_containing_files): Take starting
1087 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
1088 (v_cpp_message): Now called directly by all entry points.
1090 (cpp_pfatal_with_name, cpp_message): Delete.
1091 (cpp_notice_from_errno, cpp_ice): New functions.
1092 (cpp_notice): Is now for reporting error conditions, just
1093 without an associated file.
1094 (cpp_error, cpp_error_with_line): Don't do anything if
1095 opts->inhibit_errors is on.
1096 (cpp_pedwarn_with_file_and_line): Take column argument also.
1098 * cpplib.h: Update prototypes of exported functions.
1099 (struct cpp_options): Add inhibit_errors.
1101 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
1102 non-error messages. Include intl.h.
1104 * cppinit.c, cppmain.c: Likewise. Also, use
1105 cpp_notice_from_errno instead of cpp_perror_with_name or
1106 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
1108 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
1109 report internal errors.
1111 * cpplib.c (do_define): Switch bcopy to memcpy.
1112 Give cpp_pedwarn_with_file_and_line a dummy column argument.
1114 * cpplib.c (copy_rest_of_line): Revert previous change: don't
1115 bail out early if we hit a line comment.
1117 2000-02-06 Richard Henderson <rth@cygnus.com>
1119 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
1120 * basic-block.h: Declare them.
1121 * emit-rtl.h (active_insn_p): New.
1122 (next_active_insn, prev_active_insn): Use it.
1123 * rtl.h: Declare it.
1124 * function.c (emit_return_into_block): New.
1125 (thread_prologue_and_epilogue_insns): Insert return insns instead
1126 of epilogues when possible.
1127 * jump.c (jump_optimize_1): Remove code to insert a return insn
1128 on the fallthru to the exit block.
1130 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
1131 and for non-empty stack frames.
1132 * i386.md (return): Expand to return-pop as needed.
1134 2000-02-06 Richard Henderson <rth@cygnus.com>
1136 * simplify-rtx.c (simplify_relational_operation): Canonicalize
1137 constant to op1 for testing.
1139 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1141 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
1142 (fixuns_truncqfqi2): Use it.
1144 2000-02-06 Richard Henderson <rth@cygnus.com>
1146 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
1149 * i386.md (widening and peepholes): Mask the constant instead of
1152 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
1154 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
1155 input pointer before possibly branching off to the backslash
1157 * cpphash.c (macroexpand): Correctly delete \r escapes when
1158 stringifying parameters.
1159 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
1160 if we can; bail out early if we hit a line comment.
1161 (handle_directive): Treat '# 123' in an .S file just like
1162 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
1163 Return 1 for '# not_a_directive'.
1164 (get_directive_token): Pop macro buffers here, so that
1165 cpp_get_token can't sneakily move past a newline.
1167 (cpp_get_token): goto randomchar if handle_directive returns 0.
1169 * cppalloc.c: Update copyright.
1170 * cpplib.c: Merge all the static function prototypes into one
1172 * cpplib.h: Remove #if 0 block.
1174 * cpperror.c: Remove #ifdef EMACS block.
1175 * cppmain.c: Likewise.
1176 * cpphash.c: Remove #if 0 blocks.
1177 * cppinit.c: Remove #if 0 blocks, and the -lint option.
1178 * cpplib.c: Remove #if 0 blocks and code referencing
1179 pcp_inside_if or for_lint. Remove duplicate error message.
1180 Fix error messages for #else after #else or #elif. Reformat.
1181 Remove archaic TODO list.
1182 * cpplib.h: Remove pcp_inside_if and for_lint flags.
1184 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
1186 * i386/osf1elf.h: Add missing backslash to multiline string.
1188 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1190 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
1192 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1194 * Makefile.in (c-common.o): Depend on $(EXPR_H).
1196 * c-common.c: Include expr.h.
1198 * c-pragma.c (mark_align_stack): Add prototype.
1200 * caller-save.c (add_stored_regs): Likewise.
1202 * combine.c (record_promoted_value): Likewise.
1204 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
1207 * cppinit.c (new_pending_define): Likewise.
1209 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
1211 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
1212 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1213 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
1214 class_scope_p): Likewise.
1216 * dwarf2out.h (dwarf2out_set_demangle_name_func,
1217 dwarf2out_add_library_unit_info): Likewise.
1219 * ggc.h (ggc_page_print_statistics): Likewise.
1221 * haifa-sched.c (propagate_deps): Likewise.
1223 * reg-stack.c (next_flags_user, record_label_references): Likewise.
1225 * rtl.h (set_stack_check_libfunc): Likewise.
1227 * toplev.h (set_fatal_function): Likewise.
1229 * toplev.c (set_fatal_function): Delete prototype.
1231 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
1233 2000-02-05 Geoff Keating <geoffk@cygnus.com>
1235 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
1236 (FUNC_END): Likewise.
1238 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1240 * caller-save.c: Include tm_p.h.
1242 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1244 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
1246 2000-02-04 Neil Booth <NeilB@earthling.net>
1248 * cccp.c (main): Check 'dir' for a NULL pointer before passing
1251 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
1253 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
1254 * genflags.c: Use the max_operand_1 logic from genemit.c to
1255 calculate how many arguments gen_insn prototypes have. Remove
1256 NO_MD_PROTOTYPES ifdefs from the generated file.
1257 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
1258 file. Cast gen_insn initializers to insn_gen_fn.
1259 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
1260 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
1262 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1264 * fixinc/Makefile.in (HDR): Add machname.h.
1267 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1269 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
1270 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
1271 (c4x_cpu_version): Ditto.
1272 * config/c4x/c4x-protos.h: ... here.
1274 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
1276 * dwarf2out.c (add_abstract_origin_attribute): Don't call
1277 gen_abstract_function on our context if we're a nested function.
1279 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1281 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
1282 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
1284 2000-02-04 Bruce Korb <bkorb@gnu.org>
1286 * fixinc/genfixes(machname.h):
1287 Move the functionality from gen-machine.h into this file.
1288 UNdef MN_NAME_PAT if there are no names to change.
1289 Also, be a little kinder when AutoGen is not present.
1291 * fixinc/Makefile.in(machname.h):
1292 Change the generation rule to use genfixes.
1294 * fixinc/fixfixes.c(machine_name):
1295 machine_name_fix's functionality now dependent upon whether
1296 MN_NAME_PAT is defined.
1298 * fixinc/fixtests.c(machine_name):
1301 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
1304 * fixinc/fixlib.h(mn_get_regexps):
1307 * fixinc/gen-machine.h: DELETED
1309 2000-02-04 Jan Hubicka <jh@suse.cz>
1310 Richard Henderson <rth@cygnus.com>
1312 * i386.c (SAVE_REGS_FIRST): Remove.
1313 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
1314 (ix86_compute_frame_size): Likewise.
1315 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
1316 (ix86_emit_restore_regs): Remove.
1317 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
1318 when a frame pointer is in use.
1319 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
1320 instead of pop to restore a register when profitable; emit leave
1322 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
1324 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
1325 * i386.md (prologue_allocate_stack): Remove.
1326 (epilogue_deallocate_stack): Remove.
1327 (pro_epilogue_adjust_stack): New.
1329 2000-02-04 Richard Henderson <rth@cygnus.com>
1331 * function.c (diddle_return_value): Rework to use a callback function.
1332 Use current_function_return_rtx if it's been set up.
1333 (do_clobber_return_reg, clobber_return_register): New.
1334 (do_use_return_reg, use_return_register): New.
1335 (expand_function_end): Use them.
1336 * stmt.c (expand_null_return): Likewise.
1337 * function.h: Declare them.
1338 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
1339 (mark_reg): Change arguments as appropriate for callback.
1340 * integrate.c (expand_inline_function): Revert 19 Jan change.
1342 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
1344 * tm.texi (Values in Registers): Fix typo: "fo" "for".
1345 (Misc): Say the scheduler, not the Haifa scheduler.
1347 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
1349 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
1350 when in_mem is set. Update all callers.
1352 2000-02-04 Richard Henderson <rth@cygnus.com>
1354 * i386/openbsd.h (INT_ASM_OP): Define.
1356 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
1358 * tm.texi: Fix various typos.
1360 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
1362 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
1363 (MD_STARTFILE_PREFIX_1): New macro.
1365 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
1367 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
1368 destination when needed.
1369 (strmovsi, strsetsi): New expander.
1370 (strmovsi_1, strsetsi_1): New pattern.
1371 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
1372 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
1373 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
1374 * invoke.texi (align-stringops, inline-all-stringops): Document.
1376 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
1378 * i386/netbsd.h (INT_ASM_OP): Define.
1380 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
1382 * cpplib.h (cpp_reader): Add new flag, no_directives.
1383 * cpphash.c (macarg): Set it.
1384 * cpplib.c (handle_directive): If no_directives is on and we
1385 find a directive, issue an error and discard the line.
1387 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
1389 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
1390 FP constants. Add ! TARGET_FPU check for FP constants.
1392 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
1394 * flow.c (find_basic_blocks): Don't kill label_value_list
1396 (cleanup_cfg): Kill it here.
1398 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1400 * expr.c (store_field): Ensure ALIGN is no stricter than the
1403 2000-02-02 Richard Henderson <rth@cygnus.com>
1405 * jump.c (delete_insn): Partially revert 19 Jan change;
1406 don't convert unused code labels to notes at -O0.
1408 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1410 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
1411 split_all_insns to recreate REG_LABEL notes for flow2 pass.
1413 2000-02-01 Richard Henderson <rth@cygnus.com>
1415 * i386.c (general_no_elim_operand): New.
1416 (nonmemory_no_elim_operand): New.
1417 (ix86_expand_move): Copy eliminable operands before a push.
1418 * i386-protos.h: Declare new functions.
1419 * i386.h (CAN_ELIMINATE): Simplify.
1420 (PREDICATE_CODES): Update.
1421 * i386.md (push insns): Don't allow eliminable register operands.
1423 2000-02-01 Richard Henderson <rth@cygnus.com>
1425 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
1426 replace BLKmode with DECL_RTL's mode.
1428 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
1430 * frame.c (find_fde): Convert for loop to do-while so compiler
1431 sees it's always executed at least once.
1432 * libgcc2.c (BBINBUFSIZE): Kill.
1433 (__bb_init_prg): Use fgets.
1434 (__bb_exit_trace_func): Don't paste strings.
1435 * unroll.c (unroll_loop): Initialize unroll_type, not
1436 unroll_number, and tweak logic to match.
1438 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
1440 (ix86_flags_dependant): Likewise. Disentangle control flow.
1441 (ix86_sched_reorder): Break guts out to
1442 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
1443 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
1446 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
1447 use string concatenation. Don't save and restore esi.
1449 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
1450 (machname.h): Remove script to separate file. Use two-step
1451 sequence so target is not created if script fails.
1452 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
1453 identifiers are defined.
1454 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
1455 an empty string, machine_name doesn't need to do anything at
1457 (is_cxx_header): Add more cases to regexp.
1458 * fixinc/fixlib.h: Update prototype.
1459 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
1461 * fixinc/fixincl.c: Define NO_BOGOSITY.
1463 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
1464 (hp_sysfile): Add missing comma.
1465 (math_exception): Put the wrapper ifdefs at the beginning and
1466 the end of the file.
1467 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
1469 2000-02-01 Richard Henderson <rth@cygnus.com>
1471 * sparc.c (fp_zero_operand): Turn into a normal predicate.
1472 Use CONST0_RTX. Update all callers.
1473 * sparc.h, sparc-protos.h: Update accordingly.
1474 * sparc.md (fp mov insns): Use fp_zero_operand directly
1477 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1479 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
1482 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1484 * Makefile.in (specs.ready): New target.
1485 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
1487 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1489 * fixinc.irix: Use unique filenames for writing into /tmp,
1490 * fixinc.ptx: Likewise.
1491 * fixinc.sco: Likewise.
1492 * fixinc.svr4: Likewise.
1493 * fixinc.winnt: Likewise.
1495 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1497 * tsystem.h: New file.
1499 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
1500 s-crtS): Depend on tsystem.h.
1502 * crtstuff.c: Include tsystem.h.
1503 * frame.c: Likewise.
1504 * libgcc2.c: Likewise.
1506 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
1508 * builtins.c (expand_builtin_memset): Expand for variable sized
1511 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
1513 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
1516 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
1518 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
1520 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
1522 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
1524 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
1525 case 3->2 combining (combining with splitting) in which 2 is CC0
1526 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
1527 checked at the begining of the function with the aid of calling
1528 function 'can_combine_p'.
1530 2000-01-31 Dave Brolley <brolley@redhat.com>
1532 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
1534 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
1536 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
1539 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1541 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
1543 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
1546 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1548 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
1549 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
1550 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
1551 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
1552 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
1553 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1554 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
1555 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
1556 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
1557 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
1559 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
1560 Add %(cpp_cpu) to CPP_SPEC.
1562 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
1563 Add %(cc1_cpu) to CC1_SPEC.
1565 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1567 * c-decl.c (c_decode_option): Accept optional numeric argument to
1568 -Wformat and set warn_format.
1569 * c-common.c: Don't emit warning about non-constant printf format
1570 string unless warn_format > 1.
1572 2000-01-30 Richard Henderson <rth@cygnus.com>
1574 * alpha.md (return_internal): Allow after reload only.
1576 2000-01-30 Richard Henderson <rth@cygnus.com>
1578 * i386.c (ix86_compute_frame_size): Omit padding1 if the
1579 local frame size is zero.
1581 2000-01-30 Richard Henderson <rth@cygnus.com>
1583 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
1584 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
1585 * alpha.md (return): Turn into an expander.
1586 (return_internal): Don't use $26.
1587 (epilogue): Emit the return insn.
1589 2000-01-30 Richard Henderson <rth@cygnus.com>
1591 * alpha.md (negtf2, abstf2): Fix word order thinko.
1593 (trunctfsf2): Avoid intermediate rounding errors.
1595 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1597 * cppfiles.c (find_position): Drop 'colp' argument, return the
1599 (read_and_prescan): Adjust to match. Don't ever manipulate
1600 line or line_base except via find_position.
1602 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1604 * c-parse.in: Apply Ulrich's changes from c-parse.y.
1605 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
1608 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1610 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
1611 just print "<command line>". If 'filename' is null or an
1612 empty string, print "<stdin>" for the filename.
1613 * cpplib.c (do_define): Don't print the 'location of the
1614 previous definition' message if we're still parsing the
1616 (cpp_pedwarn_with_file_and_line): Always call
1617 cpp_file_line_for_message.
1619 2000-01-29 Mark Mitchell <mark@codesourcery.com>
1621 * flow.c (mark_regs_live_at_end): Fix typo.
1623 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1625 * c-common.c: Adjust variable names, comments, help strings to c99.
1626 * c-lex.c: Likewise.
1627 * c-parse.y: Likewise.
1628 * c-tree.h: Likewise.
1630 * cpplib.h: Likewise.
1631 * c-decl.c: Likewise. Recognize options with names "*99" as well.
1632 * cppinit.c: Likewise.
1634 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1636 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
1637 * c4x.c: Define the optab rtx values.
1638 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
1639 (c4x_emit_libcall): Use new optab rtx values.
1640 (c4x_emit_libcall3): Likewise.
1641 (c4x_emit_libcall_mulhi): Likewise.
1642 * c4x-protos.h: Add prototypes for optab rtx values and change
1643 prototypes for above c4x_emit_libcall functions.
1645 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1647 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
1649 (c4x_function_prologue): Use regnames intead of float_reg_names when
1651 (c4x_function_epilogue): Likewise.
1652 (c4x_print_operand): Likewise.
1653 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
1654 * c4x.md (set_high): Disable for TARGET_TI.
1656 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1658 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
1659 of framepointer + constant to ADDR_REGS class.
1660 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
1661 * c4x.c (std_or_reg_operand): New function.
1662 * c4x-protos.h (std_or_reg_operand): Prototype it.
1664 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1666 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
1667 object names as libgcc2.c.
1668 * libgcc.S: Use newly defined names.
1670 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
1671 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
1673 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
1674 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
1675 (FLOW_LOOP_LAST_BLOCK): Likewise.
1677 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1679 * basic-block.h (struct loop): New fields 'first' and 'last'.
1680 * flow.c (flow_loops_find): Compute loop->first and loop->last.
1681 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
1682 and loop->last to check for NOTE_INSN_LOOP_END.
1684 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1686 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1687 of the loop descriptor rather than HEADER and LATCH. Also added
1688 missing break statements as well making some coding style modifications
1689 as suggested by Michael Hayes.
1691 2000-01-28 Richard Henderson <rth@cygnus.com>
1693 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1694 Break out that code ...
1695 (cleanup_cfg): ... here.
1696 (commit_one_edge_insertion): Detect a return instruction being
1697 emitted to an edge. Emit a barrier following; clear fallthru.
1698 (commit_edge_insertions): Verify CFG consistency.
1699 * function.c (expand_function_start): Kill unused variable.
1700 (expand_function_end): Likewise.
1701 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1702 to insert the epilogue.
1704 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1705 (delete_null_pointer_checks): Likewise.
1706 * output.h: Likewise.
1707 * reg-stack.c (reg_to_stack): Likewise.
1708 * toplev.c (rest_of_compilation): Likewise. Run
1709 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1711 2000-01-28 Richard Henderson <rth@cygnus.com>
1713 * Makefile.in (flow.o): Revert 24 Jan change.
1714 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1715 FUNCTION_VALUE result to DECL_RESULT's mode.
1717 * haifa-sched.c (schedule_insns): Don't recompute reg info
1720 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1722 * configure.in: Make --enable-cpplib the default.
1723 * configure: Regenerate.
1724 * gcc.dg/990119-1.c: No longer expected to fail.
1726 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1728 * jump.c (jump_optimize_1): Delete an optimization that is also done
1729 by merge_blocks in flow.
1731 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1733 * diagnostic.c (build_message_string, output_printf,
1734 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1735 (build_location_prefix): Fix non-literal format string.
1737 2000-01-27 Richard Henderson <rth@cygnus.com>
1739 * alpha.md (trunctfsf2): New.
1741 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1743 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1745 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1747 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1749 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1751 (skip_comment) ... here. Permit C++ comments in system
1752 headers always. Warn about C++ comments in user code under
1753 -std=gnu89 -pedantic.
1754 (copy_comment): Use skip_comment.
1755 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1757 (consider_directive_while_skipping, do_else, do_endif): Call
1758 validate_else unconditionally.
1759 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1760 text after the conditional in a system header.
1761 * cpplib.h (struct cpp_buffer): Add flag
1762 warned_cplusplus_comments.
1764 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1766 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1767 Use unshare_all_rtl_1.
1768 (unshare_all_rtl_again): New function.
1769 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1771 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1772 rather than resetting the 'used' flags ourself.
1774 * toplev.c (rest_of_compilation): Add current_function_decl
1775 to the unshare_all_rtl call.
1776 * tree.h: Prototype unshare_all_rtl.
1777 * rtl.h: Prototype unshare_all_rtl_again here.
1779 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1781 * genoutput.c (output_prologue): Include ggc.h in generated
1783 * Makefile.in (insn-output.o): Depends on ggc.h.
1785 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1786 Hans-Peter Nilsson <hp@bitrange.com>
1788 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1789 Remove redundant include of xm-ns32k.h.
1790 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1791 Remove redundant include of xm-ns32k.h.
1792 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1793 Remove redundant include of xm-ns32k.h.
1794 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1796 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1797 (TARGET_SWITCHES): Add documentation strings.
1798 (DWARF_FRAME_REGNUM): Override default definition.
1799 (REG_CLASS_CONTENTS): Add comments.
1800 (SUBSET_P): Format to reduce line length.
1801 (SMALL_REGISTER_CLASSES): Make a run time option.
1802 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1803 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1804 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1805 (regclass_map): fix typo in comment.
1806 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1807 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1808 (trace, reg_or_mem_operand): Delete, unused function.
1809 (calc_address_cost): Small offsets are cheaper than large ones.
1810 (expand_block_move): Generate more efficient code when bytes is a
1811 known at compile time.
1812 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1813 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1814 instead of reg_or_mem_operand.
1816 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1817 not general_operand. Similarly use "=rm" or stricter, not "=g".
1818 For input operands, use stricter constraints than "g" if not
1819 general_operand. Similarly use stricter predicate than
1820 "general_operand" when stricter constraints than "g" are present,
1821 except for matching constraints.
1822 (movstrsi): Use "memory_operand" for operands 0 and 1.
1823 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1824 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1825 not reg_or_mem_operand.
1826 (udivmoddisi4): Ditto.
1827 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1828 Use nonimmediate_operand for operand 3, not register_operand.
1829 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1832 2000-01-27 Fred Fish <fnf@be.com>
1834 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1835 * gthr-single.h: Likewise.
1836 * gthr-solaris.h: Likewise.
1837 * gthr-vxworks.h: Likewise.
1838 * gthr-win32.h: Likewise.
1841 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1843 * cppinit.c: Add " (cpplib)" to end of string printed by
1846 2000-01-27 Richard Henderson <rth@cygnus.com>
1848 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1849 testing for a signed comparison.
1850 (alpha_emit_floatuns): New.
1851 * alpha-protos.h: Declare it.
1852 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1853 (extendsfdf2): Tidy.
1855 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1857 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1858 no -g option specifying debugging format, default to -gstabs+.
1860 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1862 * calls.c (special_function_p): New argument fork_or_exec.
1863 (expand_call): When profile_arc_flag is set and the function
1864 is in the fork_or_exec group, call __bb_fork_func first.
1865 * libgcc2.c, _bb module (__bb_fork_func): New function.
1866 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1868 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1869 * tree.h (special_function_p): Update prototype.
1871 2000-01-26 Richard Henderson <rth@cygnus.com>
1873 * alpha.c (alpha_split_tfmode_pair): New.
1874 * alpha-protos.h: Declare it.
1875 * alpha.md (abstf2, negtf2): New.
1876 (movtf insn): Add input G constraint.
1877 (movtf splitter): Use alpha_split_tfmode_pair.
1879 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1881 * i386/cygwin.h: PROTO -> PARAMS.
1883 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1885 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1886 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1887 using _Qp_cmp/_Q_cmp and testing the return value.
1888 (print_operand): Call reverse_condition_maybe_unordered if
1889 we are handling CCFPmode or CCFPEmode.
1890 Handle ORDERED, UN* and LTGT comparisons.
1891 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1892 if not TARGET_HARD_QUAD.
1893 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1894 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1895 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1896 Adjust gen_b* calls so that they reflect return comparison of
1897 sparc_emit_float_lib_cmp.
1899 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1901 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1902 incoming operands array is large enough for one more operand.
1903 (alpha_emit_xfloating_arith): Likewise.
1905 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1907 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1908 file with one line and no trailing newline.
1909 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1910 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1911 checking if the match is on the line.
1912 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1914 2000-01-25 Richard Henderson <rth@cygnus.com>
1916 * sparc.c (output_cbranch): Fix accidental squashing of the
1917 fp branch pre-delay nop.
1919 2000-01-25 Richard Henderson <rth@cygnus.com>
1921 * tree.def (UNNE_EXPR): Remove.
1922 * c-typeck.c (build_binary_op): Don't handle it.
1923 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1925 * rtl.def (UNNE): Remove.
1927 * jump.c (reverse_condition): Update accordingly.
1928 (swap_condition): Likewise.
1929 (comparison_dominates_p): Handle unordered comparisons.
1930 (reverse_condition_maybe_unordered): New.
1931 * rtl.h (reverse_condition_maybe_unordered): Declare.
1933 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1934 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1935 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1936 * sparc.md (bltgt): New.
1938 2000-01-25 Nick Clifton <nickc@redhat.com>
1940 * emit-rtl.c (emit_insn): Only check machine class insns for
1941 improper emission of a RETURN.
1943 2000-01-25 Richard Henderson <rth@cygnus.com>
1945 * Makefile.in (flow.o): Depend on $(EXPR_H).
1946 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1947 duplicate the structure of diddle_return_value for keeping regs live.
1949 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1951 * loop.c (current_loop_info): Delete.
1952 (consec_sets_invariant_p): Add loop argument, update callers.
1953 (get_condition_for_loop): Likewise.
1954 (count_nonfixed_reads, update_giv_derive): Likewise.
1955 (simplify_giv_expr, general_induction_var): Likewise.
1956 (consec_sets_giv, recombine_givs): Likewise.
1957 (move_movables): Delete loop_start and loop_end arguments,
1958 add loop argument, and update callers.
1959 (find_mem_givs, check_final_value): Likewise.
1960 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1961 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1963 (basic_induction_var): Add loop argument, delete loop_level argument,
1965 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1966 add loop argument, and update callers.
1967 (find_splittable_regs, find_splittable_givs): Likewise.
1968 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1969 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1970 (biv_total_increment): Delete loop_start and loop_end arguments;
1972 (precondition_loop_p): Delete loop_start and loop_info arguments;
1974 * loop.h (get_condition_for_loop): Add loop argument.
1975 (biv_total_increment): Delete loop_start and loop_end arguments.
1976 (precondition_loop_p): Delete loop_start and loop_info arguments;
1978 (final_biv_value): Delete loop_start and loop_end arguments;
1980 (final_giv_value, back_branch_in_range_p): Likewise.
1982 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1984 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1986 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1988 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1989 point to the new "generated_files" doc.
1991 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1993 * config/fp-bit.c (_unord_f2): Fix typo.
1995 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1997 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1998 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1999 functions obsoleted by GC, such as push_obstacks_nochange,
2000 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
2001 and code which existed only to decide whether or not to call
2002 them. Remove now-unused NESTED argument from start_function;
2003 all callers changed. Do not change behavior based on ggc_p.
2004 The use of the ixp_obstack in c-iterate.c and the util_obstack
2005 in objc/objc-act.c remain; these are not obsoleted by garbage
2007 * c-tree.h: Update prototype for start_function.
2009 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
2011 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
2013 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
2016 2000-01-25 Richard Henderson <rth@cygnus.com>
2018 * sparc-protos.h (select_cc_mode): Declare.
2019 * sparc.c (select_cc_mode): New. Handle unordered compares.
2020 (output_cbranch): Always reverse via code change. Handle
2021 unordered compares. Factor tests and string updates.
2022 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
2023 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
2024 * sparc.md (bunordered, bordered): New.
2025 (bungt, bunlt, buneq, bunge, bunle): New.
2027 2000-01-25 Richard Henderson <rth@cygnus.com>
2029 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
2030 * ggc-common.c (ggc_add_rtx_varray_root): New.
2031 (ggc_mark_rtx_varray): New.
2032 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
2033 functions down below ggc_mark_foo.
2034 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
2036 2000-01-25 Richard Henderson <rth@cygnus.com>
2038 * alpha.c (secondary_reload_class): Don't allocate a secondary
2039 for integral mode memories into FLOAT_REGS. Rearrange the more
2040 complicated memory expression inward.
2042 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
2044 * inclhack.def: Fixes to play nicer with FreeBSD, and
2045 corrections to comments.
2046 (cxx_unready): Add select expression.
2047 (irix_sockaddr): Add bypass expression.
2048 (machine_ansi_h_va_list): New fix.
2049 (stdio_va_list): No need to edit _BSD_VA_LIST_.
2050 Split out addition of "#include <stdarg.h>" to...
2051 (stdio_stdarg_h): ... here.
2052 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
2053 to stdlib.h also. Do not munge _BSD_SIZE_T_.
2054 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
2056 (ultrix_ifdef): Tighten up select expression.
2058 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
2059 re_ct and max_mach to avoid use of shell. Make printed names
2060 match names in inclhack.def. Use static copyright date.
2061 Don't count c_test and test expressions as requiring regex_t
2062 slots. Add some commentary.
2063 * inclhack.tpl: Do not include the 'This script contains N
2064 fixup scripts' line if PROGRAM is defined. Use static
2067 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
2069 * dwarf2out.c: include "varray.h", not dyn-string.h.
2070 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
2071 (addr_const_to_string, addr_to_string): Lose.
2072 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
2073 (struct dw_val_struct): val_addr is now an rtx.
2074 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
2075 (used_rtx_varray): New varray.
2076 (dwarf2out_init): Initialize it.
2078 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
2080 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
2081 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
2082 * Makefile.in (dwarf2out.o): Update dependencies.
2084 2000-01-24 Richard Henderson <rth@cygnus.com>
2086 * i386.c (i386_dwarf_output_addr_const): New.
2087 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
2089 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
2091 * dwarfout.c (output_mem_loc_descriptor): Likewise.
2092 * i386.c (i386_simplify_dwarf_addr): New.
2093 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
2095 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
2097 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
2098 TYPE_STUB_DECL is NULL.
2100 2000-01-24 Richard Henderson <rth@cygnus.com>
2102 * builtins.c (expand_tree_builtin): Move ...
2103 * c-common.c (expand_tree_builtin): ... here.
2105 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2107 * loop.h (LOOP_INFO): New accessor macro.
2108 * basic-block.h (struct loop): Rename field `info' to `aux'.
2109 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
2110 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
2111 * unroll.c (loop_iterations, unroll_loop): Likewise.
2113 2000-01-24 Christopher Faylor <cgf@cygnus.com>
2115 * config/i386/t-cygwin: Accomodate new winsup directory layout
2116 when searching for include files.
2118 2000-01-24 Richard Henderson <rth@cygnus.com>
2120 * rtl.def: Add unordered fp comparisions.
2121 * tree.def: Likewise.
2122 * tree.h: Add ISO C 9x unordered fp comparision builtins.
2124 * builtins.c (expand_tree_builtin): New function.
2125 * c-typeck.c (build_function_call): Use it.
2126 (build_binary_op): Support unordered compares.
2127 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
2129 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
2130 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
2131 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
2132 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
2133 * jump.c (reverse_condition): Don't abort for UNLE etc, but
2135 (swap_condition): Handle unordered compares.
2136 (thread_jumps): Check can_reverse before reversing.
2137 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
2140 * optabs.c (can_compare_p): New argument CODE. Verify branch or
2141 setcc is present before acking for cmp_optab. Update all callers.
2142 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
2143 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
2144 * expr.c (expand_expr): Likewise. Support unordered compares.
2145 (do_jump, do_store_flag): Likewise.
2146 * expr.h (enum libfunc_index): Add unordered compares.
2148 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
2149 (DPBIT_FUNCS): Add _unord_df.
2150 * config/fp-bit.c (_unord_f2): New.
2151 * fp-test.c (main): Try unordered compare builtins.
2153 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
2154 * alpha.c (alpha_comparison_operator): Check mode properly.
2155 (alpha_swapped_comparison_operator): Likewise.
2156 (signed_comparison_operator): Likewise.
2157 (alpha_fp_comparison_operator): New.
2158 (alpha_emit_conditional_branch): Handle unordered compares.
2159 * alpha.h (PREDICATE_CODES): Update.
2160 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
2161 (bunordered, bordered): New.
2163 2000-01-24 Richard Henderson <rth@cygnus.com>
2165 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
2166 * alpha.md (movtf): New expander, insn, and splitter.
2168 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
2170 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
2173 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
2175 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
2176 (FIXED_REGISTERS, CALL_USED_REGISTERS,
2177 REG_ALLOC_ORDER): Add frame pointer
2178 (FRAME_POINTER_REGNUM): Set to 20
2179 (HARD_FRAME_POINTER_REGNUM): New macro.
2180 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
2181 to HARD_FRAME_POINTER.
2182 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
2183 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
2184 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
2185 (HI_REGISTER_NAMES): Add "frame".
2186 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
2187 (debug_reg): Handle FRAME_POINTER_REGNUM.
2188 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
2189 GENERAL_REGS and INDEX_REGS.
2190 * i386.c (SAVED_REGS_FIRST): new macro.
2191 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
2192 (ix86_decompose_address, memory_address_length): Likewise.
2193 (regclass_map): Add frame pointer.
2194 (call_insn_operand): Handle frame_pointer_rtx.
2195 (reg_no_sp_operand): Likewise.
2196 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
2197 (print_operand, legitimize_pic_address): Fix formating.
2198 (ix86_compute_frame_size): Make static, update prototype, new
2199 parameters padding1, padding2, use ix86_nsaved_regs, use
2200 stack_alignment_needed.
2201 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
2202 to HARD_FRAME_POINTER_REGNUM conversions.
2203 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
2204 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
2205 (print_reg): Abort on FRAME_POINTER_REGNUM
2207 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
2209 * i386.h (PREDICATE_CODES): Add aligned_operand.
2210 * i386.c (aligned_operand): New function.
2211 (ix86_aligned_p): Kill.
2212 * i386.md (movhi_1): Emit mov for aligned operands.
2213 (promoting peep2s): Use aligned_operand.
2215 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
2217 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
2218 expression to allow underscores in macro names.
2219 (fix_char_macro_defines): Increment scanning pointer.
2221 2000-01-23 Richard Henderson <rth@cygnus.com>
2223 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
2224 * alpha/osf5.h: New file.
2225 * configure.in (alpha-*-osf5): Add it to tm_file.
2227 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
2229 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
2230 (alpha_emit_xfloating_cvt, function_arg): Declare.
2231 * alpha.c (alpha_emit_conditional_branch): Call
2232 alpha_emit_xfloating_compare for TFmode compares.
2233 (alpha_lookup_xfloating_lib_func): New.
2234 (alpha_compute_xfloating_mode_arg): New.
2235 (alpha_emit_xfloating_libcall): New.
2236 (alpha_emit_xfloating_arith): New.
2237 (alpha_emit_xfloating_compare): New.
2238 (alpha_emit_xfloating_cvt): New.
2239 (print_operand): Add default abort case.
2240 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
2241 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
2242 (BIGGEST_ALIGNMENT): Increase to 128 bits.
2243 (RETURN_IN_MEMORY): True for TF/TCmode.
2244 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
2245 (FUNCTION_ARG): Move to function_arg.
2246 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
2247 (ASM_OUTPUT_LONG_DOUBLE): New.
2248 (ASM_OUTPUT_DOUBLE): Always output bits.
2249 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
2250 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
2251 (extenddftf2, trunctfdf2): New.
2253 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2255 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
2256 * config/sparc/sol2.h: ... here.
2258 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2260 * basic-block.h (struct loops): New field `levels'.
2261 * flow.c (flow_loops_level_compute): Traverse all outer loops.
2262 (flow_loop_level_compute): Initialise level to 1.
2263 (flow_loops_find): Set loops->levels.
2264 (flow_loops_dump): Print loops->levels.
2266 2000-01-23 Richard Henderson <rth@cygnus.com>
2268 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
2269 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
2271 2000-01-23 Richard Henderson <rth@cygnus.com>
2273 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
2274 * i386.h (DBX_REGISTER_NUMBER): Use them.
2275 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
2276 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
2277 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
2278 * i386/sequent.h: Kill incorrect comment.
2280 2000-01-23 Mark Mitchell <mark@codesourcery.com>
2282 * ggc-page.c (struct page_entry): Make `context_depth' an
2284 (struct globals): Likewise.
2286 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
2288 * loop.c (check_dbra_loop): When checking a loop for
2289 reversability, check the source of any stores to ensure
2290 they don't depend on an initial value.
2292 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2294 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
2296 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
2298 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
2299 'pz_scan' into scope of entire function. Only affects
2300 compiles with -DDEBUG.
2302 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
2304 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
2305 section naming to that prior to 2000-01-07 patch.
2306 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
2307 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
2308 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
2309 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
2310 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
2312 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
2314 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
2317 2000-01-21 Jim Wilson <wilson@cygnus.com>
2319 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
2320 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
2322 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2324 * cpphash.c (change_newlines): Delete function.
2325 (struct argdata): Delete 'newlines' and 'use_count' fields.
2326 (macroexpand): Remove code referencing those fields.
2328 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2330 * loop.c (loops_info): New variable.
2331 (loop_optimize): Allocate loops->array and free it on exit.
2332 Allocate memory for loops_info and assign to each loop,
2334 (find_and_verify_loops): Do not allocate loops->array.
2336 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2338 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
2340 2000-01-21 Jakub Jelinek <jakub@redhat.com>
2342 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
2343 pseudos if expanded after first flow.
2344 (movdi_pic_label_ref): Likewise.
2346 2000-01-20 Richard Henderson <rth@cygnus.com>
2348 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
2350 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
2352 * Makefile.in (fixinc.sh): Depend on specs.
2353 * fixinc/Makefile.in: Add rule to create machname.h.
2354 (fixlib.o): Depend on machname.h.
2355 * fixinc/fixtests.c (machine_name): New test.
2356 * fixinc/fixfixes.c (machine_name): New fix.
2357 * fixinc/fixlib.c (mn_get_regexps): New helper function for
2358 the machine_name test and fix.
2359 * fixinc/fixlib.h: Prototype it.
2360 * fixinc/inclhack.def (machine_name): Use the C test and fix.
2361 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
2363 * gcc.c (do_spec_1) [case P]: Take care not to create
2364 identifiers with three leading or trailing underscores.
2366 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
2367 (fixincl): Don't specify libraries twice on link line.
2368 (gnu-regex.o): Remove special rule.
2369 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
2370 defined by config.h. Do not define _REGEX_RE_COMP.
2371 (regcomp): Allocate and initialize a fastmap.
2372 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
2374 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
2376 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
2378 2000-01-19 Richard Henderson <rth@cygnus.com>
2380 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
2381 arguments with BB. Update all callers. Tidy line wrapping.
2383 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
2385 * emit-rtl.c (try_split): Return last_insn if we split the
2388 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
2390 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
2391 (ix86_initial_elimination_offset): Declare.
2392 * i386.c (ix86_nsaved_regs): Break out from ...
2393 (ix86_can_use_return_insn_p): ... here.
2394 (ix86_emit_save_regs): Break out from ...
2395 (ix86_expand_prologue): ... here.
2396 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
2398 (ix86_expand_epilogue): ... here.
2399 (ix86_compute_frame_size): Make static, add prototype.
2400 (ix86_initial_elimination_offset): Break out from ...
2401 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
2403 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2405 * recog.h (OUT_FCN): Delete.
2407 * vax.md: Call `get_insn_template' instead of OUT_FCN.
2409 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2411 * cppalloc.c: PROTO -> PARAMS.
2412 * cpperror.c: Likewise.
2413 * cppfiles.c: Likewise.
2414 * cpplib.c: Likewise.
2415 * cpplib.h: Likewise.
2417 * config/arm/arm-protos.h: PROTO -> PARAMS.
2418 * config/arm/arm.c: Likewise.
2419 * config/c4x/c4x.c: Likewise.
2420 * config/fr30/fr30-protos.h: Likewise.
2421 * config/nextstep.c: Likewise.
2422 * config/pa/pa.c: Likewise.
2423 * config/pj/pj.c: Likewise.
2424 * config/rs6000/rs6000.c: Likewise.
2425 * config/v850/v850-protos.h: Likewise.
2426 * config/v850/v850.c: Likewise.
2428 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2430 * i370-protos.h: New file.
2432 * i370.c: Include tm_p.h. Fix compile time warnings.
2434 * i370.h: Move prototypes to i370-protos.h. Fix compile time
2437 * i370.md: Likewise.
2439 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2441 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
2442 (target_isinf, target_isnan, eisnan): Mark parameter with
2444 (eiisinf): Wrap in INFINITY.
2445 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
2446 (ibmtoe): Remove unused variable `rndsav'.
2448 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2450 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
2451 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
2453 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
2455 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
2456 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
2457 (fix_char_macro_defines, fix_char_macro_uses): New functions.
2459 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
2460 Recognize Emacs mode markers also.
2461 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
2462 C++ comments in C++ headers. Call is_cxx_header only if
2465 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
2467 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
2468 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
2469 ... these, which use the new C fixes.
2470 (math_exception): Escape literal '+' in bypass expression.
2472 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
2475 2000-01-19 Geoff Keating <geoffk@cygnus.com>
2477 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
2480 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2482 * loop.c (loop_optimize): Allocate loop_info structure for each loop
2483 prior to calling scan_loop.
2485 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2487 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
2488 (split_branches, calc_live_regs): Likewise.
2490 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2492 * sh.md (fpu_single, fp_mode): New attributes.
2494 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2496 * loop.c (current_loop_info): Renamed from loop_info_data
2497 and changed to a pointer.
2498 (loop_optimize): Allocate loop_info structure for each loop
2499 and initialise to zero.
2500 (scan_loop): Set current_loop_info.
2502 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
2505 2000-01-19 Richard Henderson <rth@cygnus.com>
2507 * stupid.c: Die die die.
2508 * Makefile.in (OBJS): Remove stupid.o.
2509 (stupid.o): Likewise.
2511 * except.c (emit_eh_context): Don't emit USEs for stupid.
2512 * explow.c (probe_stack_range): Likewise.
2513 * flags.h (obey_regdecls): Remove.
2514 * flow.c (find_basic_blocks): Don't run try_merge_blocks
2515 when not optimizing.
2516 (life_analysis): Limit data collection when not optimizing.
2517 (mark_regs_live_at_end): Always mark the return value registers.
2518 (mark_used_regs): Remove dummy RETURN case.
2519 (print_rtl_with_bb): Don't consult obey_regdecls.
2520 * function.c (use_variable, use_variable_after): Remove.
2521 (assign_parms): Consult optimize not obey_regdecls.
2522 (expand_function_start): Don't emit USEs for stupid.
2523 (expand_function_end): Likewise.
2524 * global.c (build_insn_chain): Export.
2525 * integrate.c (expand_inline_function): Kill return-value USE
2527 * jump.c (jump_optimize_1): Do simple jump optimizations and
2528 dead code elimination.
2529 (calculate_can_reach_end): Remove check_deleted argument.
2530 (delete_insn): Patch out insns even when not optimizing.
2531 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
2532 * rtl.h (use_variable, use_variable_after): Remove declarations.
2533 (build_insn_chain): Declare.
2534 * stmt.c (expand_value_return): Don't emit USEs for stupid.
2535 (expand_end_bindings): Likewise.
2536 (expand_decl): Likewise. Consult optimize not obey_regdecls.
2537 * toplev.c (obey_regdecls): Remove.
2538 (rest_of_compilation): Don't set it. Kill stupid in favour of
2539 flow1, local-alloc, and reload.
2540 (main): Don't set obey_regdecls.
2542 * config/nextstep.c (handle_pragma): Likewise.
2544 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
2546 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
2548 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2550 * alpha-protos.h: PROTO -> PARAMS.
2551 * alpha.c: Likewise.
2553 * h8300.c: Likewise.
2554 * i386-protos.h: Likewise.
2556 * m32r-protos.h: Likewise.
2559 * mips.md: Likewise.
2560 * gmon-sol2.c: Likewise.
2561 * sparc.c: Likewise.
2563 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2565 * ns32k-protos.h: New file.
2567 * ns32k.c: Fix compile time warnings.
2569 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
2572 * ns32k.md: Likewise.
2574 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2576 * vax-protos.h: New file.
2578 * vax.c: Fix compile time warnings.
2580 * vax.h: Move prototypes to vax-protos.h. Fix compile time
2585 * vaxv.md: Likewise.
2587 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2589 * romp-protos.h: New file.
2591 * romp.c: Fix compile time warnings.
2593 * romp.h: Move prototypes to romp-protos.h. Fix compile time
2596 * romp.md: Likewise.
2598 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2600 * we32k-protos.h: New file.
2602 * we32k.c: Fix compile time warnings.
2604 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
2607 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2609 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
2611 * except.c (eh_regs): Likewise.
2613 * final.c (output_operand): Likewise.
2615 * fold-const.c (target_isinf, target_isnan): Likewise.
2617 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2619 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
2620 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
2622 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
2624 (clrstrsi): Rewrite.
2625 (strsethi, strsetqi): New expanders.
2626 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
2627 (cmpstrsi): Emit compare insn before cmpstrsi_1
2628 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
2629 (strlensi_1): Likewise.
2630 (cmpstrsi_1): Likewise; do not output compare.
2631 (strlen expander): Do not unroll when optimizing for size.
2632 (*subsi3_carry): Rename to subsi3_carry
2633 (addqi3_cc): New pattern.
2634 * i386.h (processor_costs): Add move_ratio field.
2635 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
2636 * i386.c (*_cost): Set move_ratio.
2637 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
2638 (x86_expand_strlensi_1): Rewrite the main loop.
2640 2000-01-17 Richard Henderson <rth@cygnus.com>
2642 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
2643 * cse.c (find_comparison_args, fold_rtx): Likewise.
2644 * integrate.c (subst_constants): Likewise.
2645 * loop.c (get_condition): Likewise.
2647 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
2649 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
2651 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2653 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
2654 (RESTORE_WARN_FLAGS): Unpack it.
2655 Change semantic type of extension to ttype.
2656 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
2657 * c-parse.y, c-parse.c, objc/objc-parse.y,
2658 objc/objc-parse.c: Regenerate.
2660 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
2662 * fixinc/fixlib.c: Add copyright notice.
2663 (compile_re): New function.
2664 * fixinc/fixlib.h: Prototype compile_re.
2666 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
2667 Use compile_re to compile regular expressions.
2669 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
2670 where the pattern matched.
2672 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
2674 (ultrix_ansi_compat): Likewise.
2675 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
2677 (interactv_add2, interactv_add3): Delete.
2678 (x11_sprintf): Don't use filename glob.
2679 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
2682 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2684 * print-rtl.c: PROTO -> PARAMS.
2686 * reg-stack.c: Likewise.
2687 * resource.c: Likewise.
2688 * sdbout.h: Likewise.
2689 * simplify-rtx.c: Likewise.
2690 * stor-layout.c: Likewise.
2691 * stupid.c: Likewise.
2692 * xcoffout.c: Likewise.
2693 * xcoffout.h: Likewise.
2695 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2697 * toplev.c: PROTO -> PARAMS.
2698 * toplev.h: Likewise.
2701 * unroll.c: Likewise.
2702 * varasm.c: Likewise.
2703 * varray.c: Likewise.
2704 * varray.h: Likewise.
2706 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2708 * reload.c: PROTO -> PARAMS.
2709 * reload.h: Likewise.
2710 * reload1.c: Likewise.
2711 * reorg.c: Likewise.
2712 * resource.h: Likewise.
2715 * rtlanal.c: Likewise.
2716 * sbitmap.h: Likewise.
2717 * sdbout.c: Likewise.
2718 * stack.h: Likewise.
2720 * system.h: Likewise.
2722 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2724 * machmode.h: PROTO -> PARAMS.
2725 * mbchar.h: Likewise.
2726 * mips-tdump.c: Likewise.
2727 * mips-tfile.c: Likewise.
2728 * optabs.c: Likewise.
2729 * output.h: Likewise.
2730 * prefix.c: Likewise.
2731 * profile.c: Likewise.
2732 * protoize.c: Likewise.
2734 * recog.c: Likewise.
2735 * recog.h: Likewise.
2736 * regclass.c: Likewise.
2737 * regmove.c: Likewise.
2740 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2742 * ggc-common.c: PROTO -> PARAMS.
2743 * ggc-page.c: Likewise.
2744 * ggc-simple.c: Likewise.
2746 * global.c: Likewise.
2747 * graph.c: Likewise.
2748 * gthr-win32.h: Likewise.
2749 * haifa-sched.c: Likewise.
2750 * halfpic.h: Likewise.
2751 * integrate.c: Likewise.
2752 * integrate.h: Likewise.
2755 * local-alloc.c: Likewise.
2759 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2761 * genattr.c: PROTO -> PARAMS.
2762 * genattrtab.c: Likewise.
2763 * gencheck.c: Likewise.
2764 * gencodes.c: Likewise.
2765 * genconfig.c: Likewise.
2766 * genemit.c: Likewise.
2767 * genextract.c: Likewise.
2768 * genflags.c: Likewise.
2769 * gengenrtl.c: Likewise.
2770 * genopinit.c: Likewise.
2771 * genoutput.c: Likewise.
2772 * genpeep.c: Likewise.
2773 * genrecog.c: Likewise.
2775 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2777 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2779 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2781 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2782 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2783 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2784 * configure, config.in: Rebuilt.
2786 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2788 * config/i386/i386.md: Add peephole to merge successive stack
2791 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2793 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2794 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2795 when walking backwards to find all the parameter loads when
2796 the basic block ends in a call.
2798 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2800 * loop.c (this_loop_info): Delete.
2801 (uid_loop): Add in place of uid_loop_num. All uses updated.
2802 (loop_number_exit_count): Delete and replace with entry in loop
2803 structure. All uses updated.
2804 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2805 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2806 (loop_outer_loop): Likewise.
2807 (loop_invalid, loop_number_exit_labels): Likewise.
2808 (loop_used_count_register): Delete and replace with entry in
2809 loop_info structure.
2810 (find_and_verify_loops): Add loops argument.
2811 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2812 loop_end, etc. arguments with loop structure pointer. All callers
2814 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2815 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2816 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2817 (insert_bct): Likewise.
2818 (basic_induction_var): New argument level.
2819 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2820 vtop, and cont. Add used_count_register.
2821 (uid_loop): Delete declaration.
2822 (loop_number_exit_count): Likewise.
2823 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2824 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2825 (loop_outer_loop, loop_used_count_register): Likewise.
2826 (loop_invalid, loop_number_exit_labels): Likewise.
2827 (unroll_loop): Replace loop_start and loop_end arguments
2828 with loop structure pointer.
2829 (loop_precondition_p, loop_iterations): Likewise.
2830 Include basic-block.h.
2831 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2832 with loop structure pointer.
2833 (loop_precondition_p, loop_iterations): Likewise.
2834 * basic-block.h (struct loop): New entries vtop, cont,
2835 cont_dominator, start, end, top, scan_start, exit_labels,
2837 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2839 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2841 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2843 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2845 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2847 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2849 * pdp11-protos.h: New file.
2851 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2854 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2857 * pdp11.md: Likewise.
2861 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2863 * mn10300-protos.h: New file.
2865 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2868 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2871 * mn10300.md: Likewise.
2873 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2875 * mn10200-protos.h: New file.
2877 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2880 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2883 * mn10200.md: Likewise.
2885 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2887 * h8300-protos.h: New file.
2889 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2892 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2895 * h8300.md: Likewise.
2897 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2899 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2900 (asm_emit_uninitialised): Likewise.
2902 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2904 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2905 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2907 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2909 * config/mips/mips.c (override_options): Don't turn on extra
2910 alignment for mips16.
2912 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2914 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2915 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2918 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2920 * builtins.c (PAD_VARARGS_DOWN): Define.
2921 (std_expand_builtin_va_arg): Use the above macro.
2922 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2923 * tm.texi (Register Arguments): Document the above macro.
2925 2000-01-14 Nick Clifton <nickc@cygnus.com>
2927 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2928 that this function has not been used to emit a jump
2931 * jump.c (return_jump_1): Cope with being passed a null rtx.
2933 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2935 * eh-common.h: PROTO -> PARAMS.
2936 * emit-rtl.c: Likewise.
2937 * errors.c: Likewise.
2938 * errors.h: Likewise.
2939 * except.c: Likewise.
2940 * except.h: Likewise.
2941 * explow.c: Likewise.
2942 * expmed.c: Likewise.
2945 * final.c: Likewise.
2946 * fix-header.c: Likewise.
2948 * fold-const.c: Likewise.
2949 * function.c: Likewise.
2950 * function.h: Likewise.
2952 * gcov-io.h: Likewise.
2956 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2958 * sh-protos.h: New file.
2960 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2961 Add static prototypes. Fix compile time warnings.
2963 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2967 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2969 * arc-protos.h: New file.
2971 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2974 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2979 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2981 * dsp16xx-protos.h: New file.
2983 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2986 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2989 * dsp16xx.md: Likewise.
2991 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2993 * convex-protos.h: New file.
2995 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2998 * convex.h: Move prototypes to convex-protos.h. Fix compile time
3001 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3003 * elxsi-protos.h: New file.
3005 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
3008 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
3011 * elxsi.md: Likewise.
3013 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
3015 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
3016 case for moving from HI/LO/HI_LO_REG. This makes the behavior
3017 match the comment for MIPS16.
3019 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
3021 * flow.c (split_edge): Do not call set_block_for_insn if we
3022 do not have a basic_block_for_insn structure.
3024 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
3025 and destination functions are 32bit aligned within the trampoline.
3026 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
3027 (TRAMPOLINE_ALIGNMENT): Define.
3029 * cse.c (cse_insn): When changing (set (pc) (reg)) to
3030 (set (pc) (label_ref)), verify the change creates a valid insn.
3032 * fr30.c (call_operand): Tighten and rework to match rules for
3033 call RTL expressions.
3034 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
3035 * fr30.md (call patterns): Improve constraints.
3037 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
3039 * fr30.c (fr30_expand_epilogue): Revert last change.
3040 Use emit_jump_insn for the return insn.
3042 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
3043 Stan Cox <scox@cygnus.com>
3045 * predict.c: New file. Preliminary infrastructure work for static
3046 branch prediction and basic block reordering.
3047 * basic-block.h: Add prototype for estimate_probability.
3048 * Makefile.in: Add rules for predict.o.
3050 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
3052 * fixincludes (va_list): Use __not_va_list__ for the dummy.
3053 * fixinc/*: Likewise.
3055 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3057 * cccp.c: PROTO -> PARAMS.
3059 * collect2.c: Likewise.
3060 * combine.c: Likewise.
3061 * convert.h: Likewise.
3063 * dbxout.c: Likewise.
3064 * dbxout.h: Likewise.
3065 * diagnostic.c: Likewise.
3066 * doprint.c: Likewise.
3067 * dwarf2out.c: Likewise.
3068 * dwarf2out.h: Likewise.
3069 * dwarfout.c: Likewise.
3070 * dwarfout.h: Likewise.
3071 * dyn-string.h: Likewise.
3073 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
3076 macro conditionals guarding use.
3078 * dwarf2out.c: Include "tm_p.h".
3080 * function.c (locate_and_pad_parm): Mark parameter with
3082 (expand_function_end): Likewise for variable `context'.
3084 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
3086 2000-01-13 Nick Clifton <nickc@cygnus.com>
3088 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
3089 register to prevent compile time warnings.
3091 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
3093 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
3094 to avoid -Wtraditional warning.
3096 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3098 * 1750a-protos.h: New file.
3100 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
3103 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
3106 * 1750a.md: Likewise.
3108 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3110 * a29k-protos.h: New file.
3112 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
3115 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
3118 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3120 * clipper-protos.h: New file.
3122 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
3125 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
3128 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3130 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
3132 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
3134 * configure.in (--enable-new-gxx-abi): New option.
3135 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
3136 * Makefile.in (GXX_ABI_FLAG): New variable.
3137 * configure: Regenerate.
3139 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3141 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
3142 * tm.texi (FORCE_STRUCT_BLK): Document.
3143 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
3145 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
3147 * config/ns32k/ns32k.md: Revert Jan 9 change.
3149 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
3150 to a mode-test, if the predicate is address_operand.
3152 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
3154 * combine.c (if_then_else_cond): Be careful about what kinds
3155 of RTL expressions are passed to operand_subword.
3157 * flow.c (split_edge): If we have to insert a new jump, make
3158 sure to associate it with a basic block.
3160 * flow.c (commit_one_edge_insertion): A block with one successor
3161 can end in a JUMP_INSN that is not a simplejump.
3163 2000-01-12 Robert Lipe <robertl@sco.com>
3165 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
3166 (BUILD_VA_LIST_TYPE): Define.
3167 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
3170 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
3172 * cccp.c (do_pragma): Add cast to (char *).
3174 2000-01-12 Richard Henderson <rth@cygnus.com>
3175 Fred Fish <fnf@be.com>
3176 Jason Merrill <jason@cygnus.com>
3178 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
3179 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
3180 * i386/beos-elf.h, i386/beos-pe.h: New files.
3182 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
3183 * cross-make (SYSTEM_HEADER_DIR): Define using
3184 CROSS_SYSTEM_HEADER_DIR.
3186 * gcc.c (LIBRARY_PATH_ENV): Provide default.
3187 (process_command): Use it.
3188 (main): Likewise. Kill trailing = from env vars.
3189 (build_search_list): Put it back.
3190 * collect2.c (main): Use LIBRARY_PATH_ENV.
3192 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
3193 * toplev.c: Use NEED_DECLARATION_ENVIRON.
3195 * tm.texi (Frame Layout): Document SMALL_STACK.
3196 * c-common.c (c_common_nodes_and_builtins): Check it.
3198 * system.h: Undef alloca after including glibc's <stdlib.h>,
3199 if USE_C_ALLOCA is defined.
3201 * gcc.c (set_input): New fn.
3202 (main): After all input files are compiled, reset the input file
3205 * aclocal.m4 (rindex, index): If already defined, don't attempt
3208 * ginclude/varargs.h: (__va_list__): Define ifndef.
3209 * ginclude/stdarg.h: Likewise.
3211 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
3212 instead of unsigned char.
3214 * hash.h (true, false, boolean): Undef before enum.
3216 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
3217 proper type of "HOST_WIDE_INT *", rather than their natural type of
3218 "unsigned HOST_WIDE_INT *".
3220 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3222 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
3224 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
3226 * regclass.c (choose_hard_reg_mode): Likewise.
3228 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
3230 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
3232 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3234 * c-common.c: PROTO -> PARAMS.
3235 * c-common.h: Likewise.
3236 * c-decl.c: Likewise.
3237 * c-iterate.c: Likewise.
3238 * c-lang.c: Likewise.
3239 * c-lex.c: Likewise.
3240 * c-lex.h: Likewise.
3241 * c-parse.in: Likewise.
3242 * c-pragma.c: Likewise.
3243 * c-pragma.h: Likewise.
3244 * c-tree.h: Likewise.
3245 * c-typeck.c: Likewise.
3246 * objc/objc-act.c: Likewise.
3247 * objc/objc-act.h: Likewise.
3249 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3251 * m88k-protos.h: New file.
3253 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
3256 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
3258 * m88k.md: Likewise.
3260 * tekXD88.h: Likewise.
3262 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3264 * m68k-protos.h: New file.
3266 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
3269 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
3271 * mot3300.h: Likewise.
3273 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
3275 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
3277 (extract_bitlist): Declare bitlen.
3279 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
3281 * cccp.c: Accept and ignore -lang-fortran.
3283 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
3284 qualifiers don't match at any level of pointerness.
3286 2000-01-12 Robert Lipe <robertl@sco.com>
3288 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
3290 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
3292 * reload1.c (reload_reg_unavailable): New static variable.
3293 (reload_reg_free_p): Test it.
3294 (reload_reg_free_for_value_p): Test it instead of
3296 (choose_reload_regs_init): Compute it.
3298 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
3300 * reorg.c (fill_slots_from_thread): Check modified_in_p
3303 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
3305 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
3306 these nodes even if INTERNALS is not set.
3308 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
3310 * gcse.c (delete_null_pointer_checks_1): Cope when
3311 get_condition cannot determine the condition.
3313 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
3315 * toplev.h (set_message_length): Declare.
3317 * diagnostic.c (obstack_chunk_alloc): Define macro.
3318 (obstack_chunk_free): Likewise.
3319 (struct output_buffer): New data structure.
3321 (output_maximum_width): New variable.
3322 (doing_line_wrapping, set_message_length, init_output_buffer,
3323 get_output_prefix, output_space_left, emit_output_prefix,
3324 output_newline, output_append, output_puts, dump_output,
3325 vbuild_message_string, build_message_string, build_location_prefix,
3326 voutput_notice, output_printf, line_wrapper_printf,
3327 vline_wrapper_message_with_location): New functions. Implement
3328 automatic line wrapping.
3329 (v_message_with_decl): Make it handle automatic line wrapping.
3330 (v_error_with_file_and_line): Likewise.
3331 (v_warning_with_file_and_line): Likewise.
3332 (announce_function): Likewise.
3333 (default_print_error_function): Likewise.
3335 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
3337 * cpplib.h (struct cpp_options): Change lang_asm to char.
3339 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
3340 done in cpp_handle_option now.
3341 (initialize_builtins): Take out special case code used only by
3343 (cpp_handle_option): Turn off trigraphs and trigraph warnings
3344 if -traditional. Recognize -lang-fortran and set
3345 lang_fortran, also turn off cplusplus_comments.
3346 (print_help): Document -lang-fortran.
3347 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
3348 lang_asm. Ignore all directives other than `# 123 "file"' if
3350 (cpp_get_token): If -traditional, don't recognize directives
3351 unless the # is in column 1.
3352 (parse_string): If lang_fortran or lang_asm, silently
3353 terminate strings ('' or "") at end of line.
3354 Remove unnecessary braces.
3356 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3357 Richard Henderson <rth@cygnus.com>
3359 * resource.c (mark_referenced_resources): Mark a set strict_low_part
3361 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
3362 strict_low_part when possible.
3364 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3366 * alias.c: PROTO -> PARAMS.
3367 * basic-block.h: Likewise.
3368 * bitmap.c: Likewise.
3369 * bitmap.h: Likewise.
3370 * builtins.c: Likewise.
3371 * c-aux-info.c: Likewise.
3372 * caller-save.c: Likewise.
3373 * calls.c: Likewise.
3375 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3377 * Makefile.in (toplev.o): Depend on regs.h.
3379 * output.h (tdesc_section): Prototype.
3381 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
3383 * sdbout.c: Include "tm_p.h".
3385 * toplev.c: Include "regs.h".
3387 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
3389 * unroll.c (unroll_loop): Add EH support.
3391 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3393 * pa-protos.h: New file.
3395 * pa.c: Include recog.h and tm_p.h.
3396 (compute_zdepwi_operands, compute_movstrsi_length,
3397 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
3398 find_addr_reg, import_milli): Add static prototypes.
3399 (pa_cpu_string, pa_arch_string): Constify a char*.
3400 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
3401 (read_only_operand): Add argument `mode'.
3402 (singlemove_string, output_move_double, output_fp_move_double,
3403 output_block_move, output_and, output_ior, output_ascii,
3404 remove_useless_addtr_insns, milli_names, output_mul_insn,
3405 output_div_insn, output_mod_insn, output_arg_descriptor,
3406 output_cbranch, output_bb, output_bvb, output_dbra, ,
3407 output_millicode_call, output_call, hppa_encode_label,
3408 output_parallel_movb, output_parallel_addb): Constify a char*.
3409 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
3410 (output_parallel_addb): Remove extra arg to `constrain_operands'
3412 * pa.h: Move all prototypes to pa-protos.h.
3413 (pa_cpu_string, pa_arch_string): Constify a char*.
3414 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
3416 * pa.md: Call `function_label_operand' with mode argument.
3417 Likewise for `read_only_operand'.
3418 Fix nesting of parens in call to `symbolic_operand'.
3420 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3422 * i860-protos.h: New file.
3424 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
3427 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
3429 * i860.md: Likewise.
3431 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
3433 * i386.md (movstrsi expander): Rewrite.
3434 (movstrsi_1 insn): Deleted.
3435 (strmovhi, strmovqi expander): New expanders.
3436 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
3437 * i386.c (x86_single_stringop): New global variable.
3438 * i386.h (x86_single_stringop): Declare.
3439 (TARGET_SINGLE_STRINGOP): New macro.
3441 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3443 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
3444 integer vararg POSTINCREMENT before the destination of the jump
3445 for the hard fp case.
3446 (function_arg_pass_by_reference): Pass a copy of CUM to
3449 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
3450 for CONSTANT_ADDRESS_P above while loop for subreg.
3452 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3454 * flow.c (propagate_block): When a prologue/epilogue insn
3455 is marked dead, unconditionally clear libcall_is_dead and
3456 insn_is_dead, and only dump rtl if warnings aren't being
3459 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
3461 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
3462 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
3463 (FIXED_REGISTERS): Set dirflag as fixed.
3464 (CALL_USED_REGISTERS): Set dirflag as used.
3465 (REG_ALLOC_ORDER): Set dirflag as last one.
3466 (DIRFLAG_REG): New macro.
3467 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
3468 (HI_REGISTER_NAMES): Add dirflag.
3469 (DEBUF_PRINT_REG): Handle dirflag.
3470 * i386.md (type attribute): New cld and str types.
3471 (length_opcode attribute): Set cld and str to 1.
3472 (memory attribute): Set str to unknown - it is not clear from the
3474 (pent_np function unit): Prefixed string operations takes 12 cycles
3475 minimally; cld takes 2 cycles.
3476 (ppro_uops attribute): Str is "many" and cld is "few".
3477 (ppro_p0 unit): Handle cld here.
3478 (k6_alux unit): Handle cld and str types.
3479 (k6_load unit): It is ocupied by str opcodes.
3480 (k6_store unit): It is ocupied by str opcodes.
3481 (athlon_decode): Str is vector decoded.
3482 (athlon_ieu): Handle str and cld.
3484 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
3485 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
3486 cmpstrsi_nz_1 insn): Do not output cld instruction
3488 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
3490 * gcc.texi (G++ and GCC): Add Java and Chill.
3491 (Bug Critera): Don't list languages.
3493 * gcc.texi (Incompatibilities): No longer claim most C compilers
3496 * gcc.texi (G++ and GCC): Update other front-ends list.
3498 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
3500 * i386.c (ix86_expand_setcc): Fix typo.
3501 (ix86_expand_movcc): Similarly.
3503 * Band-aid until haifa's bitset implementation is nuked.
3504 * haifa-sched.c (extract_bitlst): New parameter for size of the
3505 bitset in bits. All callers changed. Avoid looking at undefined
3507 (edgeset_bitsize): New variable.
3508 (schedule_region): Initialize edgeset_bitsize.
3510 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3512 * Makefile.in (optabs.o): Depend on real.h
3513 (resource.o): Depend on insn-attr.h
3515 * builtins.c (result_vector): Wrap prototype in macro conditions
3516 governing definition and use.
3518 * c-common.c: Include tm_p.h.
3520 * c-lex.c: Likewise.
3522 * elfos.h: Constify a char*.
3524 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
3525 (get_attr_length, shorten_branches, profile_after_prologue): Mark
3526 parameter with ATTRIBUTE_UNUSED.
3528 * fold-const.c (exact_real_inverse): Wrap variable `i' in
3531 * haifa-sched.c (schedule_insns): Mark parameter with
3534 * optabs.c: Include real.h.
3536 * real.h (ereal_atof): Add prototype arguments.
3538 * resource.c: Include insn-attr.h.
3540 * sdbout.c (sdbout_queue_anonymous_type,
3541 sdbout_dequeue_anonymous_types): Wrap in macro
3542 SDB_ALLOW_FORWARD_REFERENCES.
3543 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
3546 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
3548 * stupid.c: Include tm_p.h.
3550 * tree.c (real_value_from_int_cst): Mark parameter with
3553 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3555 * i960-protos.h: New file.
3557 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
3560 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
3562 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3564 * combine.c (expand_field_assignment): Do not discard SUBREGs
3565 while computing nonzero_bits.
3567 2000-01-09 Nick Clifton <nickc@cygnus.com>
3569 * config/arm/arm.c: Fix compile time warnings about signed vs
3571 * config/arm/arm.h: Fix compile time warnings about signed vs
3574 2000-01-09 Philip Blundell <philb@gnu.org>
3576 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
3577 than `ldm' with only one register.
3578 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
3581 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
3584 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
3586 * config/ns32k/ns32k.md (load or push effective address): Operand 1
3589 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3591 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3592 assignment used as truth value.
3594 * function.c (assign_temp): Mark parameter `dont_promote' with
3595 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
3596 PROMOTE_FOR_CALL_ONLY.
3598 * genrecog.c (write_subroutine): Mark variable `operands' with
3601 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
3604 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
3605 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
3607 * toplev.c (note_deferral_of_defined_inline_function): Likewise
3610 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3612 * config/c4x.h: Tidy up comments.
3613 * config/c4x.c: Likewise.
3615 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
3617 * fold-const.c (lshift_double, rshift_double): Handle
3618 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
3620 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3622 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
3623 in prepare_function_start().
3625 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
3627 * config/v850/v850.c (expand_epilogue): Interrupt functions no
3628 longer allocate extra stack for function calls.
3630 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3632 * config/c4x/c4x.md (*subqf3_set): Fix typo.
3634 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3636 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
3638 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3640 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3641 * aix43.h: Revert Aug 2 change.
3642 (HAS_INIT_SECTION): Define, not visible yet.
3643 (LD_INIT_SWITCH): Define, not visible yet.
3644 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3646 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
3648 * collect2.c (main): Expand ld2 size further.
3649 (export_object_lst): Cast assignment to avoid warning.
3650 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
3651 (scan_prog_file, COFF): Do not collect initialization or
3652 finalization functions generated for entire shared object if
3653 init/fini support present.
3655 2000-01-07 Nick Clifton <nickc@cygnus.com>
3657 * config/elfos.h: Tidy up formatting of marcos. Make sure
3658 that .section directives are always prefixed by a tab.
3660 * config/svr4.h: Add #include "elfos.h" and remove duplicate
3663 2000-01-07 Matt Austern <austern@sgi.com>
3665 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
3668 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
3670 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
3672 (crtbegin.o, s-crtS): Likewise.
3674 2000-01-06 Richard Henderson <rth@cygnus.com>
3676 * alpha.md (adddi_2+1): Limit offset such that it will be
3677 loadable with a single ldah+lda pair.
3678 (adddi_2+2): Explicitly fail split if we can't make it work.
3680 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
3682 * protoize.c: Conditionally include unistd.h.
3683 (IS_SAME_PATH_CHAR): New macro.
3684 (IS_SAME_PATH): New macro.
3685 (CPLUS_FILE_SUFFIX): New macro.
3686 (cplus_suffix): New static variable.
3687 (is_abspath): New static function.
3688 (in_system_include_dir): Handle DOS style pathnames.
3689 (file_could_be_converted): Likewise.
3690 (file_normally_convertible): Likewise.
3691 (directory_specified_p): Likewise.
3692 (file_excluded_p): Likewise.
3693 (abspath): Likewise.
3694 (shortpath): Likewise.
3695 (referenced_file_is_newer): Likewise.
3696 (save_def_or_dec): Likewise.
3697 (do_processing): Likewise.
3699 (edit_file): Likewise. Use rename instead of link.
3700 (rename_c_file): Likewise. Don't rename syscalls file.
3701 (munge_compile_params): Define null device for DOS based systems.
3702 (process_aux_info_file): Use binary mode if appliable.
3703 (edit_file): Likewise.
3704 * invoke.texi (Running Protoize): Document C++ suffixes used.
3706 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3707 IS_DIR_SEPARATOR macros.
3708 * collect2.c: Likewise.
3709 * cppinit.c: Likewise.
3710 * dwarf2out.c: Likewise.
3713 * prefix.c: Likewise.
3715 * toplev.c: Likewise.
3716 * system.h: And move to here.
3718 * prefix.c (update_path): Fix typo in variable name.
3720 2000-01-06 Richard Henderson <rth@cygnus.com>
3722 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3723 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3724 (count_reg_sets_1, count_reg_references): Likewise.
3725 (flow_loops_level_compute): Start counting actual loop depth at 1.
3726 (flow_loops_find): Likewise.
3727 * local-alloc.c (update_equiv_regs): Likewise.
3728 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3730 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3732 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3733 FIRST_PSEUDO_REGISTER
3734 * dwarf2out.c: Don't include frame.h
3735 * dwarfout.c: Likewise
3736 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3739 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3741 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3744 * i386.c (movsf splitter): Fix typo in my last checkin.
3746 2000-01-05 Nick Clifton <nickc@cygnus.com>
3748 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3749 own definition of this macro.
3750 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3751 flag_data_sections or UNIQUE_SECTION_P are true.
3753 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3754 unitialised data decls.
3756 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3757 being called for uninitialised data.
3759 * config/i386/interix.c (i386_pe_unique_section): Cope with
3760 being called for uninitialised data.
3762 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3763 for uninitialised data.
3765 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3766 for uninitialised data.
3768 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3769 for uninitialised data.
3771 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3772 (UNIQUE_SECTION_P): Always generate a unique section if
3773 flag_data_sections is true.
3774 (UNIQUE_SECTION): Also generate unique sections for
3776 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3777 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3780 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3782 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3785 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3787 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3788 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3789 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3790 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3791 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3793 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3795 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3797 * c-decl.c (finish_enum): Simplify code to determine minimum and
3798 maximum values of the enum, and calculate the type. Remove check
3799 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3800 the DECL_INITIAL of each enumeration constant with a copy converted
3801 to the enumeration type. When updating variant types, don't bother
3802 updating the type itself.
3804 * c-typeck.c (build_binary_op): Simplify conditional expressions
3805 when weeding out spurious signed-unsigned warnings. Add new
3806 spurious warning category: if the unsigned quantity is an enum
3807 and its maximum value fits in signed_type(result_type). Update
3809 (build_conditional_expr): Warn here if one alternative is signed
3810 and the other is unsigned.
3812 2000-01-05 Nick Clifton <nickc@cygnus.com>
3814 * config/fr30/fr30.h: Remove extraneous comments.
3816 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3818 * reload1.c (choose_reload_regs): When disabling a reload, also
3819 set reload_spill_index to -1.
3821 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3823 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3825 (m68*-*-rtemself*): New target.
3826 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3827 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3828 (sparc*-*-rtemself*): New target.
3829 (sparc*-*-rtems*): Now elf not a.out.
3830 * config/i386/rtems.h: Include config/rtems.h.
3831 * config/i386/rtemself.h: Include config/rtems.h.
3832 * config/i960/rtems.h: Include config/rtems.h.
3833 * config/m68k/rtems.h: Include config/rtems.h.
3834 * config/m68k/rtemself.h: Include config/rtems.h.
3835 * config/mips/rtems64.h: Include config/rtems.h.
3836 * config/pa/rtems.h: Include config/rtems.h.
3837 * config/rs6000/rtems.h: Include config/rtems.h.
3838 * config/sh/rtems.h: Include config/rtems.h.
3839 * config/sh/rtemself.h: Include config/rtems.h.
3840 * config/sparc/rtems.h: Include config/rtems.h.
3841 * config/sparc/rtemself.h: Include config/rtems.h
3843 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3845 * final.c (shorten_branches): Correctly compute length of
3846 asms without operands.
3848 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3850 * configure.in: Add pj target.
3851 * configure: Regenerate.
3852 * config/pj: New directory.
3853 * config/pj/lib1funcs.S: New file.
3854 * config/pj/linux.h: New file.
3855 * config/pj/pj.c: New file.
3856 * config/pj/pj.md: New file.
3857 * config/pj/pjl.h: New file.
3858 * config/pj/t-pj: New file.
3859 * config/pj/xm-pj.h: New file
3861 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3863 * toplev.c (rest_of_compilation): Run shorten-branches before
3866 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3868 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3869 macros so that they're consistent with their names.
3870 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3871 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3873 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3875 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3876 modified inadvertently.
3878 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3880 * configure.in (v850*-*-rtems*): New target.
3881 * configure: Regenerate.
3882 * config/v850/rtems.h: New file.
3884 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3886 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3887 (__gthread_key_create): Likewise.
3888 (__gthread_key_dtor): Likewise.
3889 (__gthread_once): Fix logic.
3890 (__gthread_key_delete): Cast away constness.
3892 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3893 * invoke.texi: Document.
3894 * i386/mingw32.h (CPP_SPEC): Use.
3895 (LIBGCC_SPEC): Likewise.
3896 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3898 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3900 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3901 (HANDLE_PRAGMA_PACK): Undefine.
3902 (SLOW_UNALIGNED_ACCESS): Define.
3904 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3906 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3907 to default definition.
3908 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3909 (store_fixed_bit_field): Call macro with word_mode and alignment.
3910 (extract_bit_field): Call macro with relevant mode and alignment.
3911 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3912 to default definition.
3913 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3915 (move_by_pieces_ninsns): Likewise.
3916 (clear_by_pieces): Likewise.
3917 (emit_push_insn): Likewise.
3918 (store_field): Call macro with relevant mode and alignment.
3919 (expand_expr): Likewise.
3920 (expand_expr_unaligned): Likewise.
3922 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3923 (SLOW_UNALIGNED_ACCESS): Define.
3924 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3925 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3926 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3927 (toc_section): Likewise and .toc pseudo-op.
3928 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3930 (TEXT_SECTION_ASM_OP): Likewise.
3931 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3934 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3935 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3936 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3937 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3938 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3940 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3942 * regclass.c: Revert my Jan 4 change to loop cost computation.
3944 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3946 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3949 2000-01-04 Stan Cox <scox@cygnus.com>
3951 * haifa-sched.c (build_control_flow): Change unreachable simple
3952 loop test to check if current block has only one predecessor.
3953 (find_rgns): Initialize degree. Use dest as degree index, not src.
3955 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3957 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3959 * calls.c (expand_call): Likewise for
3960 `old_stack_arg_under_construction'.
3962 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3964 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3967 * gcc.c (execute): Likewise for `ut' and `st'.
3969 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3971 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3973 * jump.c (jump_optimize_1): Likewise for `temp2'.
3975 * local-alloc.c (block_alloc): Likewise for `r1'.
3977 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3979 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3980 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3982 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3985 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3986 and `goal_earlyclobber'.
3988 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3990 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3992 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3994 * unroll.c (copy_loop_body): Likewise for `copy'.
3996 * varasm.c (output_constructor): Likewise for `byte'.
3998 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4000 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
4001 all FP constants for constant->reg moves.
4002 (ix86_split_to_parts): Try to convert memory address into immediate
4003 when available in the constant pool.
4004 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
4006 (LEGITIMATE_CONSTANT_P): Return 1.
4007 * i386.md (pushsf): New splitter to convert constant pool memory
4008 reference to immediate.
4009 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
4012 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
4014 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
4015 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
4016 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
4017 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
4018 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
4020 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
4022 * ginclude/stdbool.h: Support compilation as C++.
4024 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4026 * fold-const.c (make_range): Don't try to reverse an unbounded range.
4028 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
4030 * regclass.c (regclass): Properly compute loop_cost. Adjust
4033 * regclass.c: Fix minor whitespace problems.
4035 2000-01-03 Anthony Green <green@cygnus.com>
4037 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
4038 Restore the pic register if required.
4040 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
4042 * c-common.c (format_char_info): Update comment.
4043 (check_format_info): Recognize 'z' modifier in the same way 'Z'
4044 was recognized. Emit warning for formats new in ISO C99 only
4045 if flag_isoc9x is not set.
4047 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
4049 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
4051 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4053 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
4054 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
4055 (make_compound_operation): Choose cheaper alternative between
4056 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
4058 * regclass.c (op_costs): Remove global variable.
4059 (record_reg_classes): New parameter "op_costs" and "reg_pref".
4060 (record_operand_costs): Break out from ...
4061 (scan_one_insn): ... here.
4062 (dump_regclass): Make dumps nicer.
4063 (regclass): Dump preferrences choosed and changes done during passes.
4065 2000-01-03 Jakub Jelinek <jakub@redhat.com>
4067 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
4069 2000-01-03 Jakub Jelinek <jakub@redhat.com>
4071 * config/sparc/sparc.c (gen_df_reg): New function.
4072 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
4073 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
4074 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
4075 movtf_cc_reg_sp64+1): Use it.
4077 2000-01-02 Mark Mitchell <mark@codesourcery.com>
4079 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
4082 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
4084 * config/i386/i386.c (ix86_expand_unary_operator): Function
4085 definition made void.
4086 (ix86_expand_binary_operator): Update outdated preceding comment.
4087 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
4090 * config/i386/i386.c (override_options): Fix option-name typo.
4092 2000-01-02 Mark Mitchell <mark@codesourcery.com>
4094 * system.h (CEIL): Define.
4095 * builtins.c (CEIL): Remove.
4096 * expmed.c (CEIL): Likewise.
4097 * expr.c (CEIL): Likewise.
4098 * stor-layout.c (CEIL): Likewise.
4100 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4102 * expr.c (store_constructor_field): Fix typo introduced with last
4105 2000-01-01 Mark Mitchell <mark@codesourcery.com>
4107 * tree.h (BINFO_N_BASETYPES): New macro.
4109 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
4111 * expmed.c (emit_store_flag): Prevent losing a pending stack
4112 adjust the same way we prevent losing queued increments.
4114 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4116 * function.c (update_temp_slot_address): Handle case where sum of
4117 temporary address plus offset in register is a valid address.
4119 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4121 * genrecog.c (change_state) Corrected typo.
4123 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4125 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
4126 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
4127 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
4129 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
4131 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
4132 case, expand GT comparisons correctly. Fix a comment before this
4135 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
4137 * dwarfout.c: Include "frame.h"
4138 * dwarf2out.c: Likewise.
4139 * Makefile.in (dwarfout.o): Depend on frame.h
4140 (dwarf2out.o): Likewise.
4142 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
4144 Restore i386 binary compatibility in Dwarf EH info.
4145 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
4146 value of FIRST_PSEUDO_REGISTER.
4147 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
4148 (struct frame_state): Use DWARF_FRAME_REGISTERS.
4149 * dwarfout.c (output_reg_number): Ditto.
4150 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
4151 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
4153 1999-12-29 Bruce Korb <autogen@linuxbox.com>
4155 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
4156 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
4157 (<hack>_RE_CT): not needed
4158 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
4159 rewritten to scan the file text once only
4160 "template<..." test added
4161 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
4162 (is_cxx_header): declaration added
4163 * fixinc/fixtests.c(is_cxx_header): removed
4164 (apply_fix_p_t): removed
4165 (double_slash_test): is_cxx_header is only called once now
4166 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
4167 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
4168 within the templates.
4169 The borken spelling of "broken" was fixed.
4170 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
4171 The default level depends on FIXINC_DEBUG.
4173 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4175 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
4176 Otherwise provide a declaration for atexit.
4177 (init_dummy): Make sure dummy call to atexit is nevertheless
4178 called with correct number of args.
4180 * frame.c: Update comments referring to other files.
4182 * libgcc2.c: Likewise.
4184 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4186 * cse.c (free_element, get_element): Remove unused prototypes.
4188 * fold-const.c (extract_muldiv): Initialize variables `op0' and
4191 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
4194 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
4196 * configure.in,configure: case arm for mn10200-*-* now sets
4197 float_format=i32 so that float.h will correctly claim "double"
4198 to be 32 bits. Ran autoconf to generate configure from .in file.
4200 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
4202 * pa.md (conditional zero): If op1 is a register, force it into
4203 the same register as op0.
4205 1999-12-28 Mark Mitchell <mark@codesourcery.com>
4207 * tree.h (BINFO_BASETYPES): Improve documentation.
4209 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4211 * configure.in (--enable-checking): Use a more portable `for'
4214 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4216 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
4217 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
4219 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
4222 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
4223 Delete descriptions.
4225 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
4226 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
4227 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
4228 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
4229 xm-svr4.h: Remove all instances of sys_siglist handling.
4231 1999-12-27 Jakub Jelinek <jakub@redhat.com>
4233 * config/sparc/sparc.md (cmp_zero_qi,
4234 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
4235 cmp_zero_extendqidi2_andcc_set): New patterns.
4237 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
4239 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4240 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
4241 (fpgnulib.c, xfgnulib.c): Add rules.
4242 * m68k/t-mot3300-gas: Likewise.
4244 1999-12-27 Ian Lance Taylor <ian@zembu.com>
4246 * configure.in: Avoid [[ by using test and changequote. Add
4247 changequote required by 1999-12-14 change.
4248 * configure: Rebuild.
4250 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
4252 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
4254 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
4256 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
4257 * flow.c (find_use_as_address): Likewise.
4258 * function.c (fixup_var_refs_1): Likewise.
4259 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
4260 * jump.c (invert_exp, redirect_exp): Likewise.
4261 * loop.c (replace_call_address): Likewise.
4262 (count_nonfixed_reads): Likewise.
4263 * rtlanal.c (modified_between_p): Likewise.
4264 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
4265 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
4266 * unroll.c (remap_split_bivs): Likewise.
4268 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4270 * diagnostic.c (v_message_with_decl): Use .* format specifier
4271 instead of building the format specifier width manually.
4273 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
4274 determining whether to provide a prototype. Remove the
4275 sys_siglist clause in the conditional.
4277 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4279 * fold-const.c (operand_equal_p): Use memcmp to compare string
4281 Suggested by D. J. Bernstein
4283 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4285 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
4286 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4288 * config/mips/mips.h (TARGET_64BIT): Likewise.
4289 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
4290 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
4291 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
4292 dsps. Give routines proper names if SI/DI modes are not used.
4293 * longlong.h: Use DWunion instead of DIunion.
4295 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
4297 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
4298 GC_CHECKING, GC_ALWAYS_COLLECT.
4299 * configure.in: Allow --enable-checking with an argument
4300 listing check modes to enable.
4301 * config.in, configure: Rebuilt.
4302 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
4303 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
4304 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
4305 ENABLE_GC_ALWAYS_COLLECT.
4306 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
4308 * tree.h, tree.c: Change ENABLE_CHECKING to
4309 ENABLE_TREE_CHECKING throughout.
4311 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4313 * fold-const.c (fold_truthop): Properly check for FP RHS.
4315 1999-12-24 Mark Mitchell <mark@codesourcery.com>
4317 * toplev.h (note_deferall_of_defined_inline_function): Declare.
4318 * toplev.c (note_deferral_of_defined_inline_function): New
4319 function, split out from ...
4320 (rest_of_compilation): ... here. Use it.
4322 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4324 * expr.c (store_constructor): Don't call clear_storage if size is
4327 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4329 * Makefile.in (toplev.o): Depend on loop.h.
4331 * dwarfout.c: Include tm_p.h.
4333 * emit-rtl.c (restore_emit_status): Mark parameter with
4336 * final.c (final_scan_insn): Likewise.
4338 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
4339 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
4340 flow_depth_first_order_compute, flow_loop_pre_header_find,
4341 flow_loop_tree_node_add, flow_loops_tree_build,
4342 flow_loop_level_compute, flow_loops_level_compute,
4343 flow_loop_outside_edge_p): Add prototypes.
4344 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
4346 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
4347 Mark with ATTRIBUTE_NORETURN.
4349 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
4351 * local-alloc.c (no_conflict_p): Likewise.
4353 * loop.c (insert_bct): Hide definitions of variables with hidden
4355 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
4357 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
4358 with ATTRIBUTE_UNUSED.
4359 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
4360 (reg_scan): Likewise.
4362 * reload.c (find_reloads): Remove unused variables `changed'.
4364 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
4366 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
4367 Remove unused variable `insn'.
4369 * toplev.c: Include loop.h.
4370 (report_file_and_line): Remove unnecessary prototype.
4372 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
4374 * unroll.c (biv_total_increment): Likewise.
4376 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4378 * reload1.c (emit_input_reload_insns): Restore old behaviour
4379 wrt. 'special' reloads.
4381 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
4383 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
4384 hash.h. (cse.c): Don't depend on hashtab.h.
4386 * cse.c: Don't include hashtab.h.
4387 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
4389 * ggc-simple.c: Don't include hash.h.
4391 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
4393 * dwarf2out.c (add_abstract_origin_attribute): Call
4394 gen_abstract_function on our function context.
4396 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
4398 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
4400 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4402 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
4405 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4407 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
4408 constraints to "a!r".
4410 1999-12-21 Mark Mitchell <mark@codesourcery.com>
4412 * Makefile.in (calls.o): Depend on function.h.
4413 (alias.o): Likewise.
4415 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
4417 * reload1.c (emit_reload_insns): Break out code and variables into...
4418 (input_reload_insns, other_input_address_reload_insns,
4419 other_input_reload_insns, input_address_reload_insns,
4420 inpaddr_address_reload_insns, output_reload_insns,
4421 output_address_reload_insns, outaddr_address_reload_insns,
4422 operand_reload_insns, other_operand_reload_insns,
4423 other_output_reload_insns): ... new static variables, and...
4424 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
4425 do_output_reload): ... new functions.
4427 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4429 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
4431 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4433 * md.texi: Add c4x constraints documentation.
4435 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4437 * config/i386/dgux.c (struct option): Rename to
4438 lang_independent_option.
4439 (struct m_options): Add description field.
4440 (output_options): Rename option type, add sep declaration, output
4441 ix86_cpu_string and ix86_arch_string only if set.
4442 (output_file_start): Rename option type.
4444 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
4446 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
4448 (libgcc2.a): Similarly.
4450 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
4452 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
4453 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
4454 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
4456 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
4458 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
4459 Remove redundant initialization of "frexpon" and "expon".
4461 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4463 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
4465 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
4466 (store_constructor_field, expand_expr): Pass new arg.
4468 1999-12-20 Mark Mitchell <mark@codesourcery.com>
4470 * Makefile.in (explow.o): Depend on function.h.
4472 * stor-layout.c (set_sizetype): Fix typo.
4474 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
4476 * function.c (cfun): Renamed from current_function. All users
4478 * function.h (cfun): Rename declaration as well.
4480 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
4481 to be of type regset_head, not regset. All users changed by adding
4483 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
4485 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4487 * config/c4x/rtems.h: New file.
4489 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
4491 * reload1.c (spill_failure): Take class of failed reload as argument
4492 and print it. Caller changed.
4494 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4496 * rs6000.h (SUBTARGET_DEFAULT): New macro.
4497 (TARGET_SWITCHES): Allow subtargets to default switches.
4498 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
4500 1999-12-18 Mark Mitchell <mark@codesourcery.com>
4502 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
4505 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
4507 * cccp.c (main): Define __STDC_VERSION__ as necessary.
4508 * cppinit.c (cpp_handle_option): Likewise.
4510 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
4511 determine when to define.
4513 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
4515 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
4516 cmove with mismatched test and data modes.
4518 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
4520 * c-typeck.c (c_expand_start_case): Don't warn for long switch
4523 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4525 * alias.c: Minor reformatting.
4528 * stor-layout.c: Likewise.
4529 * fold-const.c: Likewise.
4530 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
4531 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
4533 (size_int_wide): Cache nodes even if garbage collecting.
4534 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
4535 of SAVE_EXPR has no side effects.
4536 * cse.c: Move a comment.
4537 * tree.c: Minor reformatting.
4538 (int_size_in_bytes): Return -1 if constant overflows.
4540 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4542 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
4544 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
4546 * objc/objc-parse.c: Regenerate. This file must be rebuilt
4547 after any change to c-parse.in, even if objc-parse.y didn't
4550 1999-12-18 David S. Miller <davem@redhat.com>
4552 * toplev.c (rest_of_compilation): Restore BLOCK tree
4553 reconstruction and branch shortening changes lost in
4554 December 18th change.
4556 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
4558 * config/arm/linux-elf.h: Change all instances of
4559 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
4560 * config/arm/uclinux-elf.h: Likewise.
4562 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
4564 * toplev.c (notice, vmessage, v_message_with_file_and_line,
4565 v_message_with_decl, file_and_line_for_asm,
4566 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4567 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4568 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4569 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
4570 pfatal_with_name, fatal_io_error, need_error_newline,
4571 last_error_function, last_error_tick, announce_function,
4572 default_print_error_function, print_error_function,
4573 report_error_function, fnotice, error_with_file_and_line,
4574 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
4575 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
4576 warning_with_decl, warning_for_asm, warning, pedwarn,
4577 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
4579 (compile_file): Use fnotice instead of notice. Adjust call.
4581 * diagnostic.c: New file.
4583 * Makefile.in (OBJS): Include diagnostic.o
4584 (diagnostic.o): Define dependence.
4586 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4588 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
4591 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4593 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
4595 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4597 * fixtests.c (is_cxx_header): New fn, split out of
4599 (else_endif_label): Allow "#endif // comment" in C++ headers,
4600 as determined by is_cxx_header.
4601 * fixfixes.c (else_endif_label_fix): Update comment.
4602 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
4604 * genfixes: Correct double thinko in commandline parsing.
4605 * hackshell.tpl: Generate correct sh syntax for bypass
4608 * inclhack.def (all): Whenever an inserted preprocessor
4609 conditional is split over multiple lines, use double
4610 backslashes in this file so the fixed header will be readable.
4612 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
4613 and add bypass entry for correct version of this header.
4614 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
4615 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
4617 (hpux8_bogus_inlines): New fix, split from...
4618 (ultrix_atof_param) ... here.
4619 (math_expression): Add bypass entry keyed to glibc comment
4620 indicating the problem has been dealt with; disable
4621 unnecessary sed operations; update commentary.
4622 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
4623 add select and bypass entries, simplify shell operation.
4624 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
4626 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
4627 ultrix_atof_param): Add select entry.
4628 (stdio_va_list, sunos_mather_decl): Add bypass entry.
4629 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
4630 comments with the fixes they describe.
4632 * c-parse.in (string action): Do not warn about ANSI string
4633 concatenation in system headers. Affects C parser only.
4634 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
4636 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4638 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
4639 compiling libgcc2 the macro depends always on arch cpp defines.
4641 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
4643 * loop.c (insert_loop_mem): Don't record MEMs from inside
4646 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
4648 * regclass.c (regclass): Do not use flowgraph when not optimizing.
4650 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
4651 notes too, create one when replacement failed, attempt to simplify
4653 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
4656 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4658 * crtstuff.c (__dso_handle): Declare.
4659 (__cxa_finalize): Likewise.
4660 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
4663 * invoke.texi: Document -fuse-cxa-atexit.
4665 * tree.h (ptr_type_node): Document.
4666 (const_ptr_type_node): Likewise.
4668 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4670 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
4671 (optimize_reg_copy_2): Likewise.
4672 (optimize_reg_copy_3): Likewise.
4673 (fixup_match_2): Likewise.
4674 (regmove_optimize): Likewise.
4675 (fixup_match_1): Liekwise.
4677 * i386.md (HI to SImode promoting splitters): Rewrite.
4678 (pushsf mem peep2): New.
4679 (testhi to andhi peep2): Remove.
4680 * i386.h (x86_promote_QImode): New.
4681 (TARGET_PROMOTE_QImode): New.
4682 (PREDICATE_CODES): Add promotable_binary_operator.
4683 * i386.c (x86_promote_QImode0: New.
4684 (promotable_binary_operator): New.
4685 * i386-protos.h (promotable_binary_operator): New.
4687 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4689 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4691 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4693 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4694 * function.c (insert_block_after_note): Remove.
4695 (retrofit_block): Likewise.
4696 (identify_blocks): Fix indentation.
4697 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4698 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4699 * function.h (insert_block_after_note): Remove prototype.
4700 (retrofit_block): Likewise.
4701 * integrate.c (expand_inline_function): Don't call
4702 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4703 just expand_start_bindings. Use the block_map to remap old
4704 NOTE_BLOCKs to new ones.
4705 (integrate_decl_tree): Keep track of remapped blocks.
4706 * integrate.h (struct inline_remap): Add block_map.
4707 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4708 NOTE_BLOCK on the notes.
4709 (expand_start_bindings): Rename to ...
4710 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4711 (expand_end_bindings): Set NOTE_BLOCK.
4712 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4713 reconstruct the BLOCK tree.
4714 * tree.h (expand_start_bindings): Macroize. Call ...
4715 (expand_start_bindings_and_block): New function.
4717 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4719 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4720 to match the format.
4722 1999-12-16 David S. Miller <davem@redhat.com>
4724 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4725 the outputs is a SUBREG.
4726 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4729 * config/sparc/sparc.c (epilogue_renumber): Add default case
4732 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4734 * toplev.c (rest_of_compilation): Run branch shortening after
4737 * regclass.c (loop_depth): Remove
4738 (scan_one_insn): Do not handle LOOP_NOTE insns.
4739 (regclass): Go through basic blocks and set loop_cost
4741 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4743 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4745 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4747 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4748 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4749 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4751 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4753 * loop.c (insert_loop_mem): Ignore memory clobbers.
4755 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4758 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4760 * profile.c: Remove redundant #include "output.h".
4762 * h8300.md (HImode preinc peephole): Fix typo.
4764 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4766 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4767 (insert_block_after_note): Abort if we don't have a previous block.
4768 Remove FN parameter.
4769 * function.h: Adjust.
4771 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4773 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4774 argument more than once.
4776 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4778 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4780 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4782 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4784 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4786 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4787 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4788 update stack_alignment_needed.
4789 (prepare_function_start): Initialize stack_alignment_needed
4790 * function.h (struct function): Add field stack_alignment_needed.
4792 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4794 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4795 Handle live_throughout / dead_or_set instead of live_before /
4797 (save_call_clobbered_regs): Get register livenessinformation from
4798 chain->live_throughout.
4799 (add_stored_regs): New function.
4800 (insert_restore, insert_save): Add restored / saved registers to
4802 * global.c (reg_dies): New parameter chain.
4803 (reg_becomes_live): Third parameter is regs_set now.
4804 Changed all callers.
4805 (reg_dies): New parameter chain. Changed all callers.
4806 (build_insn_chain): Set live_throughout instead of
4807 live_before / live_after.
4808 * reload.h (struct insn_chain): Replace members live_before /
4809 live_after with live_throughout / dead_or_set.
4810 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4811 instead of live_before / live_after.
4812 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4813 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4814 (choose_reload_regs_init): Likewise.
4815 * stupid.c (current_chain, find_clobbered_regs): Delete.
4816 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4817 instead of chain->live_before / chain->live_after.
4818 (mark_hard_ref): New function.
4819 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4821 1999-12-15 David S. Miller <davem@redhat.com>
4823 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4825 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4827 * flow.c (calculate_loop_depth): Make global, remove prototype,
4828 rewrite to use new loop infrastructure.
4829 (find_basic_block): Remove calculate_loop_depth call.
4830 * toplev.c (rest_of_compilation): Call find_basic_block.
4831 * output.h (calculate_loop_depth): Declare.
4833 * flow.c (dump_flow_info): Dump loop_depth.
4834 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4836 (flow_loops_find): Initialize the loop_depth for each basic block.
4838 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4840 * tree.c (decl_function_context): Handle virtual functions.
4842 * tlink.c (scan_linker_output): Don't look in demangled name when
4843 looking for linker output keywords.
4845 * dwarfout.c (output_type): We can defer namespace-scope classes.
4847 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4849 * regclass.c (record_reg_classes): Update comment for merging
4850 register class preferences in reg->reg copies. Tighten conditions
4851 for merging register class preferences in reg->reg copies.
4853 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4855 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4857 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4859 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4860 (INIT_SECTION_ASM_OP): Delete.
4861 (FINI_SECTION_ASM_OP): Delete.
4862 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4864 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4866 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4867 the abstract origin wasn't emitted.
4869 * dwarf2out.c (class_scope_p): New fn.
4870 (gen_subprogram_die): Use it.
4871 (gen_variable_die): Use it. Tweak logic.
4872 (gen_struct_or_union_type_die): Check context_die to determine
4873 if we're function-local.
4874 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4876 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4878 * loop.c (check_dbra_loop): Can't reverse a biv that has
4881 1999-12-14 Nick Clifton <nickc@cygnus.com>
4883 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4886 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4888 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4889 for givs made from biv increments.
4891 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4893 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4894 * alpha.c (override_options): Recognize -mcpu=ev67.
4895 * alpha.h (CPP_CPU_EV67_SPEC): New.
4896 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4897 (EXTRA_SPECS): Update.
4899 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4901 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4902 appropriate for -lang-c89 and -std=*.
4903 * cppinit.c (cpp_handle_option): Likewise.
4904 (new_pending_define): New, split out from cpp_handle_option.
4905 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4906 or enable trigraphs for -ansi/-std=*.
4908 * ginclude/stdarg.h (__va_copy): New.
4909 (va_copy): Don't define for C89.
4911 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4913 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4914 for long long multiply-accumulate.
4916 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4918 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4919 optimizing for size.
4921 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4923 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4924 if something changed. Back out that part of yesterday's changes.
4926 * loop.c (loop_max_reg): New static variable.
4927 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4929 (scan_loop): Call reg_scan_update whenever we may have added new
4930 registers, and update loop_max_reg.
4932 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4934 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4935 when source does not die.
4937 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4939 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4941 * config/sparc/linux64.h (TARGET_LIVE_G0,
4942 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4944 * config/sparc/linux.h (TARGET_LIVE_G0,
4945 TARGET_BROKEN_SAVERESTORE): Likewise.
4946 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4947 TARGET_BROKEN_SAVERESTORE): Likewise.
4949 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4950 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4952 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4953 as sparc64 block profiling register.
4954 * config/sparc/sparc.c (sparc_override_options): Allow block
4955 profiling with -m32.
4956 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4958 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4959 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4960 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4962 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4964 * config/sparc/sparc.h: Likewise.
4965 * config/sparc/xm-sysv4-64.h: Likewise.
4966 * config/float-sparc.h: Likewise.
4967 * glimits.h: Likewise.
4968 * longlong.h: Likewise.
4970 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4971 (ASM_IDENTIFY_GCC): Remove.
4973 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4975 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4976 (simplify_logical): Likewise.
4978 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4980 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4981 * cppfiles.c (INO_T_EQ): Likewise.
4983 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4985 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4986 * i386/mingw32.h (LIB_SPEC): Likewise.
4987 (STARTFILE_SPEC): Likewise.
4988 * i386/uwin.h (LIB_SPEC): Likewise.
4989 (STARTFILE_SPEC): Likewise.
4991 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4992 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4994 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4996 * combine.c (combine_simplify_rtx): Fix order of checks for
4997 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4999 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
5001 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
5002 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
5004 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
5006 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
5008 * regclass.c (inv_reg_alloc_order): New array.
5009 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
5011 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
5012 counted_for_groups, counted_for_nongroups. Add fields rld and
5014 * reload.c (push_secondary_reload): Don't set nongroup field of
5016 (push_reload): Likewise.
5017 (find_reloads): Delete code to compute nongroup fields.
5018 * reload1.c (reload_insn_firstobj): New static variable.
5019 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
5021 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
5022 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
5023 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
5025 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
5027 (struct hard_reg_n_uses): Deleted.
5028 (potential_reload_regs): Deleted.
5029 (init_reload): Initialize spilled_pseudos and pseudos_counted.
5030 (reload): Don't try to allocate reload registers if we already know
5031 we have to make another pass. Call select_reload_regs. Free memory
5032 starting with reload_firstobj when starting another pass.
5033 Don't allocate spilled_pseudos.
5034 (calculate_needs_all_insns): Call copy_reloads for an insn that
5035 needs reloads; don't call calculate_needs.
5036 (spill_cost): New static array.
5037 (used_spill_regs_local): New static variable.
5038 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
5039 to compute potential_reload_regs.
5040 (find_reload_regs): Completely rewritten to use find_reg.
5041 (allocate_reload_reg): Don't test counted_for_groups or
5042 counted_for_nongroups. Lose NOERROR arg and code to give an error;
5044 (choose_reload_regs): Add fallback code that uses the existing
5045 register allocation from find_reload_regs.
5047 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
5049 * flow.c (create_edge_list): Cast xmalloc return value.
5051 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
5053 * doprnt.c: Remove incorrect comment closure.
5055 * cse.c: Fix a few minor whitespace goofs.
5057 1999-12-13 Don Bowman <don@pixstream.com>
5059 * mips/vxworks.h: Fix problem with comment termination.
5060 (EXTRA_SECTIONS): Add in_sbss.
5061 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
5063 1999-12-12 David S. Miller <davem@redhat.com>
5065 * cse.c (struct cse_reg_info): Add hash_next member,
5066 reorder rest of struct for better packing on 64-bit
5068 (cse_reg_info_tree): Kill.
5069 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
5070 REGHASH_FN): New custom pow2 hash mechanism.
5072 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
5073 use a pow2 hash table.
5074 (get_cse_reg_info): Rework to use new REGHASH.
5075 (new_basic_block): Likewise, use HASH_SIZE, and inline
5077 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
5078 and inline free_element call.
5079 (lookup_as_function, insert, flush_hash_table, invalidate,
5080 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
5081 invalidate_for_call, use_related_value, find_comparison_args,
5082 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
5083 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
5086 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
5088 * cse.c (cse_basic_block): Free qty_table consistently.
5090 1999-12-12 David S. Miller <davem@redhat.com>
5091 Jakub Jelinek <jakub@redhat.com>
5093 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
5094 SUBREGs by hand, gen the appropriate hard reg directly.
5095 (movtf reg/mem split): Likewise and alter_subreg on destination
5097 (movtf mem/reg split): Similarly.
5098 (movdf_cc_sp64): Rename from hidden pattern.
5099 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
5100 (movtf_cc_sp64, following split): New pattern and splitter.
5101 (movdf_cc_reg_sp64): Rename from hidden pattern.
5102 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
5104 (movtf_cc_reg_sp64, following split): New pattern and splitter.
5106 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
5108 * loop.c (load_mems): Don't hoist written floating point mem
5111 1999-12-12 Mark Mitchell <mark@codesourcery.com>
5113 * except.h (struct eh_queue): Add `next' pointer.
5114 (struct eh_status): Make x_ehqueue a pointer.
5115 (push_ehqueue): Declare.
5116 (pop_ehqueue): Likewise.
5117 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
5119 (expand_fixup_region_end): Likewise.
5120 (expand_leftover_cleanups): Likewise.
5121 (push_ehqueue): Define.
5122 (pop_ehqueue): Likewise.
5123 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
5124 than doing it inline.
5125 (expand_start_all_catch): Adjust now that ehqueue is a
5127 (mark_eh_queue): Mark all level of the queue.
5128 (mark_eh_status): Adjust now that ehqueue is a
5130 (init_eh_for_function): Allocate ehqueue.
5131 (free_eh_status): Free it.
5132 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
5133 expansion for a fixup.
5135 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5137 * gthr-single.h (__gthread_active_p): Add prototype arguments.
5139 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
5140 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
5141 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
5142 function_ptr, getpagesize, __enable_execute_stack,
5143 __enable_execute_stack, __clear_insn_cache,
5144 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
5145 _cleanup, _exit, __default_terminate, __terminate_func,
5146 __terminate, __empty, __throw, new_eh_context,
5147 eh_context_initialize, eh_context_static, eh_context_specific,
5148 get_eh_context, __get_eh_context, __get_eh_info,
5149 init_reg_size_table, eh_threads_initialize,
5150 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
5151 __unwinding_cleanup, throw_helper, __throw, __rethrow,
5152 __pure_virtual): Add prototype arguments.
5153 (__bb_exit_func): Cast a sizeof to long when comparing against one.
5154 Cast a signed value to unsigned long when comparing against one.
5155 (new_eh_context): Wrap in _GTHREADS macro.
5156 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
5158 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
5159 (throw_helper): Initialize variables `handler_p' and `pc_p'.
5161 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5163 * combine.c (record_promoted_value): Remove unused variable
5166 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
5168 * global.c (record_conflicts): Likewise for `j'.
5170 * genoutput.c (output_insn_data): Don't unnecessarily cast away
5173 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5175 * i386-protos.h (output_387_binary_op, output_fix_trunc,
5176 output_fp_compare): Constify a char*.
5178 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
5180 (override_options, ix86_comp_type_attributes, print_operand,
5181 output_387_binary_op, output_fix_trunc, output_fp_compare):
5183 (ix86_sched_reorder): Mark parameter `clock_var' with
5186 * i386.h (DEBUG_PRINT_REG): Constify a char*.
5188 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
5190 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
5191 operand, for use in the Java front-end.
5193 1999-12-10 Ben Collins <bcollins@debian.org>
5195 * configure.in: Fix typo for "-64" in 64bit as check.
5196 * configure: Rebuilt.
5198 1999-12-10 Jakub Jelinek <jakub@redhat.com>
5200 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
5203 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5205 * c-parse.in (string): With -Wtraditional, warn if ANSI string
5206 concatenation is utilized.
5208 * invoke.texi (-Wtraditional): Document it.
5210 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5212 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
5213 Cast a ptrdiff_t to long and pass it to printf with %ld.
5215 1999-12-10 Geoff Keating <geoffk@cygnus.com>
5217 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
5218 68881, we have no 68881 registers at all.
5219 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
5220 value in a 68881 register if it is available.
5222 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
5224 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
5225 for long long multiply-accumulate.
5227 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
5229 * loop.c (insert_loop_mem): Undo last change.
5231 1999-12-10 David S. Miller <davem@redhat.com>
5233 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
5235 * config/sparc/sparc-protos.h: Add them.
5236 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
5237 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
5238 constraints which use those helpers.
5239 (EXTRA_CONSTRAINT): Use this new macro.
5240 * md.texi: Update sparc target constraints documentation.
5241 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
5242 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
5243 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
5244 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
5245 (movsf high/lo_sum split): Rework for new patterns.
5246 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
5248 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5250 * c-common.c (c_common_nodes_and_builtins):
5251 Create __builtin_ptrdiff_t and __builtin_size_t.
5253 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
5255 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
5257 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5259 * regclass.c (globalize_reg): Re-instate test that allows
5260 fixed registers to be declared as a variable even after functions
5263 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5265 * i386.md (cpu attribute): Add "athlon".
5266 (athlon_decode): New attribute.
5267 (Athlon scheduling units definitions): New.
5268 (fcmp and shld patterns): Set athlon_decode to "vector".
5269 * i386.c (athlon_cost): New.
5271 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
5272 x86_use_sahf): Set for Athlon.
5273 (x86_use_fiop): Unset for Athlon.
5274 (override_options): Define Athlon alignments and "athlon" name.
5275 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
5276 * i386.h (TARGET_ATHLON): New.
5277 (enum processor_type): Add PROCESSOR_ATHLON.
5278 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
5280 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
5282 1999-12-09 Andreas Jaeger <aj@suse.de>
5284 * loop.c (record_biv): Declare parameter as int.
5286 * config/i386/i386-protos.h: Declare long_memory_operand.
5288 1999-12-09 Mark Mitchell <mark@codesourcery.com>
5290 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
5291 EXPR_WITH_FILE_LOCATION.
5293 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5295 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
5298 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
5300 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
5303 1999-12-09 Jakub Jelinek <jakub@redhat.com>
5305 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
5306 default on linux64 again.
5307 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
5308 models for multilibing.
5309 * genmultilib: Accept | as alternative separator within a set in
5312 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
5314 * calls.c (precompute_arguments): Make sure initial_value contains
5315 value pseudo which CSE expects.
5316 * cse.c (struct set): New entry orig_src.
5317 (cse_insn): Set it early on entry, use it for libcall EQUIV note
5320 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
5322 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
5324 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5326 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
5328 1999-12-08 Jakub Jelinek <jakub@redhat.com>
5330 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
5331 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
5333 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
5336 * longlong.h: Merge in changes from glibc.
5337 Also don't clobber %g2 register in 32bit SPARC assembly, so that
5338 -mno-app-regs libgcc can be compiled.
5339 * libgcc2.c: Add defines so that the updated longlong.h
5340 can be used in libgcc2.a. Also, make sure on most architectures
5341 (at least on all which have optimized code in longlong.h defined
5342 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
5344 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5346 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
5347 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
5348 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
5350 * configure: Rebuilt.
5352 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
5354 * alpha.c (secondary_reload_class): For !BWX, sub-simode
5355 outputs require a register.
5357 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
5359 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
5360 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
5361 functions like dptoul will be resolved.
5362 (libgcc2.a): Make sure that the object files from DPBIT are named
5363 differently (prefix `_dp') from those that would be coming from
5366 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
5368 * configure.in: When target is sparc* and tm_file contains 64,
5369 test for 64bit support in assembler. If not supported, remove
5370 sparc/t-sol2-64 from target-dependent Makefile fragments.
5371 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
5372 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
5373 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
5374 * acconfig.h (AS_SPARC64_FLAG): Added.
5375 * configure, config.in: Rebuilt.
5376 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
5377 support. Use AS_SPARC64_FLAG.
5379 1999-12-07 Jakub Jelinek <jakub@redhat.com>
5381 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
5382 suitable for holding OFmode values so that gcc works with complex
5384 (hard_64bit_mode_classes): Likewise.
5386 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
5387 so that it is actually matched.
5388 (sethi_di_medlow): Likewise.
5390 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
5391 as legitimate constant if -mvis.
5392 * config/sparc/sparc.md (movtf): Likewise.
5393 (clear_sf): Use const_double_operand.
5394 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
5396 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
5397 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
5398 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
5399 routines, _Qp_* cannot be handled like that now.
5400 (INIT_TARGET_OPTABS): Likewise.
5401 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
5402 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
5403 sparc_emit_float_lib_cmp if ARCH64 and soft float.
5404 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
5405 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
5406 divtf3, sqrttf3): New expanders.
5407 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
5408 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
5409 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
5412 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
5413 * configure: Rebuilt.
5414 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
5415 -mcpu is given and we're doing 64bit compiles.
5417 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
5419 * loop.h (struct induction): Add multi_insn_incr.
5420 * loop.c (basic_induction_var): New multi_insn_incr argument.
5421 Set it if we search back through previous insns for the biv.
5422 (record_biv): New multi_insn_incr argument; fill in struct induction.
5423 (strength_reduce): Discard an iv with multiple bivs, any of
5424 which require multiple insns to increment.
5426 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5428 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
5431 1999-12-06 David S. Miller <davem@redhat.com>
5433 * combine.c (check_promoted_subreg): Do not conditionalize this upon
5434 PROMOTE_FUNCTION_RETURN.
5436 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
5438 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
5439 and handle REG_UNUSED note on insn.
5441 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
5442 inner_mask instead of mask.
5444 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
5446 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
5447 zero if there was an error.
5449 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5451 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
5454 * longlong.h: Fix clobbers in SPARC asm statements.
5456 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
5457 valid sethi operations when TARGET_ARCH64.
5459 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
5460 always use move_by_pieces to avoid infinite recursion.
5461 (restore_fixed_argument_area): Likewise.
5463 * combine.c (check_promoted_subreg, record_promoted_value): New
5465 (combine_instructions): Use them to retain nonzero and sign bit
5466 information after SUBREGs are eliminated by optimizations in
5467 this pass if PROMOTE_FUNCTION_RETURN.
5469 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
5470 .register declaration. Don't use variables with __ prefixes.
5472 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5474 * fold-const.c (optimize_bit_field_compare): Only use one mode
5475 for both RHS and LHS in non-constant case.
5477 1999-12-06 Nathan Sidwell <nathan@acm.org>
5479 * frame.c (start_fde_sort): Only allocate erratic array, if
5480 linear one was allocated. Return allocated flag.
5481 (fde_insert): Only insert, if there's a valid array.
5482 (fde_end_sort): Split, sort and merge if linear and erratic
5483 arrays exist, else just sort linear one.
5484 (search_fdes): New function. Linear search through original fde
5486 (frame_init): Permit multiple initializations. Cope with
5488 (find_fde): Fallback on linear search, if failed to sort array.
5489 (__deregister_frame_info): Only free sorted array, if we
5492 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5494 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
5496 1999-12-05 Jakub Jelinek <jakub@redhat.com>
5498 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
5500 1999-12-05 Mark Mitchell <mark@codesourcery.com>
5502 * tree.h (special_function_p): Declare.
5503 * calls.c (special_function_p): Make it global. Don't take `name'
5504 as a parameter. Fix typo in 1999-11-28 change.
5505 (expand_cal): Adjust.
5507 1999-12-04 Mark Mitchell <mark@codesourcery.com>
5509 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
5510 * tree.h (EXPR_WFL_FILENAME): Define in terms of
5511 EXPR_WFL_FILENAME_NODE.
5512 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
5514 * print-tree.c (print_note): Print TREE_PRIVATE and
5517 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
5518 the original die cannot be found.
5520 * varray.h (varray_head_tag): Add elements_used.
5521 (VARRAY_PUSH): New macro.
5522 (VARRAY_POP): Likewise.
5523 (VARRAY_TOP): Likewise.
5524 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
5526 * varray.c (varray_init): Initialize elements_used.
5527 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
5528 (INTEGRATE_H): New variable.
5529 (integrate.o): Depend on INTEGRATE_H.
5530 (unroll.o): Likewise.
5532 * function.h (insert_block_after_note): Declare.
5533 * function.c (insert_block_after_note): Split out from ...
5534 (retrofit_block): ... here.
5536 * stmt.c (expand_fixup): Fix typo in comment.
5538 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5540 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
5541 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
5542 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
5543 (regmove_optimize, fixup_match_1): Likewise.
5545 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5547 * flow.c (flow_loops_dump): Add missing argument when calling
5550 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
5551 Greg McGary <gkm@gnu.org>
5553 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
5554 (init_attributes): Add A_NO_LIMIT_STACK.
5555 (decl_attributes): Handle A_NO_LIMIT_STACK.
5556 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
5557 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
5558 Handle stack bounds checking.
5559 * flags.h (flag_stack_check): Use the word 'probe' rather than
5560 'check', because the flag doesn't actually cause any checking to
5562 * function.c (expand_function_start): Set
5563 current_function_limit_stack.
5564 * function.h (struct function): Add limit_stack.
5565 (current_function_limit_stack): Define.
5566 * invoke.texi (Code Gen Options): Document new options.
5567 * rtl.h: Declare stack_limit_rtx.
5568 * toplev.c (stack_limit_rtx): New variable.
5569 (decode_f_option): Handle new options -fstack-limit-register=REG,
5570 -fstack-limit-symbol=IDENT, -fno-stack-limit.
5571 (main): Add stack_limit_rtx as GC root.
5572 * tree.h (DECL_NO_LIMIT_STACK): New macro.
5573 (struct tree_decl): New member no_limit_stack.
5575 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
5577 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
5578 (conditional_trap+1): Get new mnemonic correct.
5579 (conditional_trap+2): New pattern for DImode traps.
5581 * config/m68k/m68k.c (output_function_prologue): Handle
5583 * config/m68k/m68k.md (trap): New insn.
5584 (conditional_trap): New insn.
5585 * md.texi (Standard Names): Document `trap' and
5587 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
5588 so a cc0 setter doesn't get emitted at some random place in the
5591 * config/i960/i960.md (trap): New insn.
5592 (conditional_trap): New expander.
5593 (conditional_trap+1, conditional_trap+2): New insns for signed
5595 * config/i960/i960.c (i960_function_prologue): Use
5596 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
5598 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
5599 Geoffrey Keating <geoffk@cygnus.com>
5601 * flags.h (warn_padded, warn_packed): Add global var decls.
5602 * toplev.c (warn_padded, warn_packed): Add global var defns.
5603 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
5604 * stor-layout.c (layout_record): Add local variable `type'
5605 to hold often-used TREE_TYPE (field). Add local variable
5606 `unpacked_align' to hold alignment that would be in force
5607 if no `packed' attribute were present. Warn if `packed' attribute
5608 is unnecessary, or even harmful. Warn when gcc inserts padding
5609 to satisfy alignment requirements of members. Use NULL_TREE
5610 when checking whether var_size is set.
5611 * invoke.texi: Document new flags.
5613 1999-12-03 Nathan Sidwell <nathan@acm.org>
5615 * frame.c (fde_split): Reimplement to avoid variable sized array.
5617 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5619 * combine.c (try_combine): Before fixing up LOG_LINKS for the
5620 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
5622 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
5624 * invoke.texi: Document the mips option -mno-crt0
5626 1999-12-02 Mike Karr <mkarr@mathworks.com>
5628 * cccp.c (argdata): Added free_ptr member.
5629 (macroexpand): Initialize free_ptr of each argument. When an
5630 argument's buffers are freed, if the argument's free_ptr corresponds
5631 to a buffer on the input stack, then return the free_ptr to that stack
5632 frame, otherwise, free it.
5633 (macarg): If an argument begins and ends on the same input stack level,
5634 then transfer the free_ptr of that buffer to the argument in case
5635 the stack is popped during the processing of a subsequent argument.
5637 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
5639 * loop.c (note_reg_stored): New function.
5640 (struct note_reg_stored_arg): New structure.
5641 (try_copy_prop): Change to be more conservative; only replace within
5642 one extended basic block and stop replacing if a store to the
5643 replacement reg is seen.
5645 1999-12-02 Nick Clifton <nickc@cygnus.com>
5647 * config/fp-bit.c: Initialise all fields of the NAN
5650 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
5653 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5655 * i386.md (extend?f?f2): Force the input into a register, not
5658 1999-12-01 Jakub Jelinek <jakub@redhat.com>
5660 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
5662 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
5663 alternative because setting up 64bit constant is usually costly,
5664 especially when reload is in progress or completed.
5665 (movdf_const_intreg_sp64): Likewise.
5666 (movdf_const_intreg split): Fix building up constants when
5667 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
5669 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
5671 * combine.c (if_then_else_cond): Use const_true_rtx instead of
5672 const1_rtx for return values in EQ/NE comparison against (const_int 0)
5675 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
5676 (asm_file_start): Emit .am33 into assembly file when compiling for
5678 (print_operand_address): Handle POST_INC addresses.
5679 (can_use_return_insn, initial_offset): Check AM33 registers too.
5680 (expand_prologue): Check & save AM33 registers too.
5681 (expand_epilogue): Similarly.
5682 (secondary_reload_class): Handle AM33 specific secondary reloads.
5683 (output_tst): Emit efficient code for the AM33 too.
5684 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5685 (TARGET_SWITCHES): Add -mam33 switch.
5686 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5687 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5688 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5689 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5690 (enum reg_class, REG_CLASS_NAMES): Likewise.
5691 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5692 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5693 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5694 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5695 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5696 (HAVE_POST_INCREMENT): Define.
5697 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5698 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5699 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5700 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5701 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5702 (zero_extend to SI from QI/HI): Likewise.
5703 (sign_extend to SI from QI/HI): Likewise.
5704 (mulsidi3, umulsidi3): New patterns for the AM33.
5705 (tstsi with zero extension from QI/HI): Add AM33 variants.
5706 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5707 (return_internal_regs, store_movm): Handle new AM33 registers.
5708 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5709 (LIBGCC, INSTALL_LIBGCC): Likewise.
5710 * invoke.texi: Document new flags.
5712 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5714 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5715 (addsi3_carry): Likewise.
5716 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5717 (sbbsi3_carry): Likewise.
5718 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5720 (test?i_1): Ensure that only one operand is memory.
5721 (conditional move patterns): likewise.
5722 (shift and rotate patterns): Rewrite to expander, add
5723 "binary_operator_ok" to the condition.
5725 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5726 * i386.h (procesor_costs): Add movzbl_load field.
5727 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5728 non-Q registers, accept DImode registers anywhere.
5730 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5731 * i386.c (*_cost): Set value for movxbl_load field.
5733 * (addsi): New add to lea splitter.
5735 (lea to add/shift peep2): New.
5737 1999-12-01 Mark Salter <msalter@cygnus.com>
5739 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5740 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5741 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5743 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5745 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5746 * i386.md (movsi_xor): New.
5748 (movsi_1, movhi_1, movqi_1): Remove.
5749 (movsi_2): Rename to movsi_1.
5750 (movhi_2): Rename to movhi_1.
5751 (movqi_2): Rename to movqi_1.
5752 (movdi_1): Remove; remove splitter.
5753 (movdi_2): Rename to movdi_1.
5754 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5755 (long move peep2): Do not create QI or HI mode mov0s
5756 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5758 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5761 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5762 (abs?f2_if): Likewise.
5764 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5766 * ggc.h (ggc_test_and_set_mark): New macro.
5767 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5768 (ggc_mark_tree): Likewise.
5769 (ggc_mark_rtvec): Likewise.
5770 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5772 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5774 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5776 (decl_scope_table): Just an array of trees now.
5777 (push_decl_scope): Simplify.
5778 (dwarf2out_init): Adjust.
5779 (local_scope_p): New fn.
5780 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5781 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5782 (gen_typedef_die): Likewise.
5783 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5784 (gen_inlined_subroutine_die): Likewise.
5785 (gen_abstract_function): Set current_function_decl temporarily.
5786 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5787 Handle block extern declarations. Don't call push/pop_decl_scope.
5788 (gen_decl_die): Fix logic for block externs.
5790 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5792 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5793 to the list of functions which have attribute malloc by default.
5795 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5797 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5798 integer constant does not match the traditional type, limit the
5799 warnings to cases where the base of the type is ten.
5801 * invoke.texi (-Wtraditional): Document it.
5803 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5805 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5806 * rs6000.md: Only access a CONST_INT with INTVAL
5808 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5810 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5811 (compute_nearerout): Likewise.
5812 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5813 size_t to unsigned long for formatting.
5815 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5817 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5818 Allow the user to override call-used/fixed state of %g2-5
5819 registers from the command line (with the exception of %g4 for
5821 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5822 there is a higher chance of having a leaf function.
5823 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5824 for ARCH64 which has %ccr register.
5825 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5827 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5828 insn accept into delay slot any insn which does not use %[ol]
5829 registers. Accept some LO_SUM and shift left by 1 for the normal
5831 (output_function_epilogue): Likewise.
5832 (epilogue_renumber): Added argument which inhibits any renumbering
5833 and just tests if the rtx does not use any %[ol] registers.
5834 (output_return): Reflect above change.
5836 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5838 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5839 aggregate passing for sizes <= 16 bytes.
5841 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5843 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5844 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5845 * reload.c (find_dummy_reload): Likewise.
5846 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5847 * reload1.c (reload_as_needed): Likewise.
5848 * stupid.c (stupid_find_reg): Likewise.
5849 * tm.texi (Obsolete Register Macros): Delete section.
5850 * gmicro.h: Remove all traces of the two macros.
5855 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5857 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5858 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5859 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5860 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5861 units for the sparclite86x chip.
5862 (flush): Revert October 14th change; add SImode specifically.
5863 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5864 * invoke.texi: Document it.
5866 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5868 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5869 psimode_truncation_operand.
5871 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5872 function. Return true if the operand is either a MEM valid
5873 for a PSImode address or not a MEM at all.
5875 * config/mn10200/mn10200.md (truncsipsi2): Use
5876 psimode_truncation_operand.
5878 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5880 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5881 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5882 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5883 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5884 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5885 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5886 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5887 * basic-block.h: Protect from multiple inclusion.
5888 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5889 (struct loops, struct loop): Define structures.
5890 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5891 * sbitmap.h: Protect from multiple inclusion.
5892 (sbitmap_a_subset_b_p): Add prototype.
5893 * Makefile.in (LOOP_H): New macro.
5894 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5896 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5898 * cppinit.c (CAT): The argument list of this macro may not contain
5901 1999-11-29 David S. Miller <davem@redhat.com>
5903 Move quantity tables and register equivalence chains into
5904 per-qty and per-register structure arrays respectively.
5905 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5906 qty_const_insn, qty_comparison_code, qty_comparison_const,
5907 qty_comparison_qty): Delete, replace with...
5908 (qty_table): this structure table.
5909 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5910 (reg_eqv_table): this structure table.
5911 (make_new_qty): Add argument MODE. Caller updated.
5912 Update to use qty_table and reg_eqv_table.
5913 (make_regs_eqv, delete_reg_equiv, insert_regs,
5914 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5915 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5916 cse_process_notes, cse_main, cse_basic_block): Likewise.
5918 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5920 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5921 operation if C is negative.
5922 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5923 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5924 law for some divisions if constant is negative and change other
5925 divisions to the opposite rounding.
5927 * expr.c (store_constructor_field): If bit position is not multiple
5928 of alignment of TARGET's mode, use BLKmode.
5930 * expr.c (expand_expr_unaligned): Add more code from full case
5931 that is needed when OP0 is in a register.
5933 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5935 * dwarfout.c (field_byte_offset): Size can be zero if there was
5938 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5940 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5941 (associate_trees): Delete unused var TEM.
5942 (extract_muldiv): Delete unused var CANCEL_P.
5944 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5945 (target_isinf, target_isnan, target_negative): Add return types to
5946 function definitions.
5948 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5950 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5951 * fixinc/hackshell.tpl: ditto
5952 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5953 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5955 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5957 * reload.c (push_reload): When looking for a register to put into
5958 reg_rtx, make sure all hard regs in a multi-reg register are in the
5959 right class and nonfixed.
5961 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5962 pending_read_insns, pending_write_insns, pending_read_mems,
5963 pending_write_mems, pending_list_length, last_pending_memory_flush,
5964 last_function_call, sched_before_next_call): Move static variables
5966 (bb_ prefixed versions): Replace with single array bb_deps.
5967 (struct deps): New structure.
5968 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5969 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5970 argument of type "struct deps *"; use that instead of global
5971 variables. All callers changed.
5972 (init_rgn_data_dependencies): Delete function.
5973 (init_rtx_vector): Delete function.
5974 (init_deps): New function.
5976 (free_pending_lists): Simplify, we always use the bb_deps array even
5977 if only one basic block.
5978 (compute_block_backward_dependences): Likewise.
5979 (schedule_region): Likewise.
5981 (propagate_deps): New function, broken out of
5982 compute_block_backward_dependences.
5983 (compute_block_backward_dependences): Use it.
5985 * alpha.md: Delete useless patterns that tried to work around
5986 register elimination problems.
5988 * unroll.c (loop_iterations): Don't abort if iteration variable
5991 From Joern Rennecke:
5992 * reload1.c (reloads_conflict): Reverse test comparing operand
5993 numbers when testing for conflict between output/outaddr reloads.
5995 1999-11-29 David S. Miller <davem@redhat.com>
5997 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5999 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
6001 1999-11-28 Robert Lipe <robertl@cygnus.com>
6003 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
6004 table from .fini into .dtor.
6006 1999-11-28 Anthony Green <green@cygnus.com>
6008 * tree.h (struct tree_decl): Add malloc_flag.
6009 (DECL_IS_MALLOC): Define.
6010 * c-common.c (attrs): Add A_MALLOC attribute.
6011 (init_attributes): Add this attribute to the table.
6012 (decl_attributes): Handle malloc attribute.
6013 * calls.c (special_function_p): Check for the malloc attribute.
6014 * extend.texi (Function Attributes): Document malloc attribute.
6016 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
6018 * pa.md (reload shift-add patterns): Remove.
6020 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6022 * reorg.c (dbr_schedule) Print more statistics. Corrected
6023 problem when printing info when 3 delay slots are filled.
6025 1999-11-28 Jakub Jelinek <jakub@redhat.com>
6027 * combine.c (setup_incoming_promotions): Pass an outgoing
6028 regno to FUNCTION_ARG_REGNO_P which it expects.
6030 1999-11-28 Andreas Jaeger <aj@suse.de>
6032 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
6034 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
6036 * cccp.c (do_include): Avoid initialization of automatic variable.
6038 * integrate.c (mark_stores): Function definition made void, to match
6039 previous declaration.
6040 * regclass.c (dump_regclass): Ditto.
6041 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
6043 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6045 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
6046 known to be multiple of divisor.
6048 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
6050 * combine.c (try_combine): Add code to try to merge a set of a
6051 two-word pseudo to a constant with a setting of one of those words
6054 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
6055 (split_tree): Completely rework to make more general.
6056 (make_range, fold): Call negate_expr.
6057 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
6058 (fold, associate): Call new split_tree and associate_trees.
6059 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
6061 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
6063 * loop.c (try_copy_prop): Avoid GNU C extension.
6065 1999-11-25 Mark Mitchell <mark@codesourcery.com>
6067 * except.c (init_eh_for_function): Still zero eh_return_context,
6068 eh_return_stack_adjust, and eh_return_handler.
6070 * except.h (eh_status): Adjust documentation for x_protect_list.
6071 (begin_protect_partials): New function.
6072 * except.c (enqueue_eh_entry): Fix formatting.
6073 (get_first_handler): Add consistency check.
6074 (add_partial_entry): Adjust usage of protect_list.
6075 (emit_cleanup_handler): Save and restore ehqueue.
6076 (expand_start_all_catch): Add comment.
6077 (begin_protect_partials): New function.
6078 (end_protect_partials): Adjust usage of protect_list.
6079 (init_eh_for_function): Use xcalloc.
6081 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6083 * c-common.c (check_format_info): Don't call a variadic function
6084 with a non-literal format string.
6086 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
6088 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
6089 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
6092 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
6095 * collect2.c (collect_wait): Likewise.
6097 * dbxout.c (dbxout_type): Likewise.
6099 * gcc.c (do_spec_1): Likewise.
6101 * genemit.c (gen_insn, gen_expand): Likewise.
6103 * genrecog.c (write_switch, write_subroutine): Likewise.
6105 * mips-tfile.c (catch_signal, botch): Likewise.
6107 * print-rtl.c (print_rtx): Likewise.
6109 * toplev.c (default_print_error_function, report_error_function,
6110 _fatal_insn): Likewise.
6112 1999-11-25 Mark Mitchell <mark@codesourcery.com>
6114 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
6116 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6118 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
6119 operations when needed.
6120 * i386.md (fop_?f_comm): New.
6121 (fop_?f_1): Do not accept commutative operands.
6123 1999-11-25 Andreas Jaeger <aj@suse.de>
6125 * config/mips/mips.md (casesi_internal): Add missing brace.
6127 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
6129 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
6130 (splice_child_die): Handle moving a child DIE from the declaration
6131 DIE of a class to its specification.
6132 (gen_struct_or_union_type_die): Use 'complete' consistently.
6133 (gen_decl_die): Generate the virtual context DIE first.
6134 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
6136 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
6138 * config/mips/mips.md (call_value_multiple_interanal1): New.
6140 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
6142 * dwarf2out.c (free_AT, free_die): New fns.
6143 (remove_children): Call them.
6144 (output_line_info): Disable removal of duplicate notes.
6146 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
6147 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
6148 means pretend the type isn't defined.
6149 Don't defer emitting types.
6150 (gen_type_die_for_member): New fn.
6151 (gen_decl_die): Call it.
6152 (splice_child_die): New fn.
6153 (gen_member_die): Call it rather than generate duplicate dies.
6155 Defer emitting information for the abstract instance of an inline
6156 until we either inline it or emit an out-of-line copy.
6157 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
6158 from output_inline_function if DECL_ABSTRACT is also set.
6159 (block_ultimate_origin): Likewise.
6160 (gen_abstract_function): New fn.
6161 (gen_decl_die, gen_inlined_subroutine_die): Call it.
6162 (gen_subprogram_die): An abstract instance is not a declaration
6163 just because it doesn't match current_function_decl. Don't abort
6164 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
6165 has an abstract origin.
6166 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
6167 abstract instance here.
6169 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
6171 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
6172 where we need to reload fpul from a system register.
6174 1999-11-24 Andreas Jaeger <aj@suse.de>
6176 * config/mips/linux.h (CPP_PREDEFINES): Added.
6177 (LINK_SPEC): Remove -Y since this is only needed on sparc.
6179 1999-11-24 Andreas Jaeger <aj@suse.de>
6181 * config/mips/linux.h (TARGET_VERSION): Added.
6182 (HANDLE_SYSV_PRAGMA): Added.
6183 (DEFAULT_VTABLE_THUNKS): Added.
6185 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6187 * local-alloc.c (qty): New structure and static variable.
6188 (qty_phys_reg): Remove, all references changed to qty.
6189 (qty_n_refs): Likewise.
6190 (qty_min_class): Likewise.
6191 (qty_birth): Likewise.
6192 (qty_death): Likewise.
6193 (qty_size): Likewise.
6194 (qty_mode): Likewise.
6195 (qty_n_calls_crossed): Likewise.
6196 (qty_alternate_class): Likewise.
6197 (qty_changes_size): Likewise.
6198 (qty_first_reg): Likewise.
6199 (alloc_qty): Rename variable QTY to QTYNO.
6200 (finf_free_reg): Likewise.
6201 (local_alloc): Allocate qty, do not allocate the removed variables.
6203 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
6205 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
6206 when -membedded-pic is passed.
6208 * config/mips/mips.md (casesi): Handle 64-bit case too.
6209 (casesi_internal_di): New insn.
6211 * config/mips/mips.c (embedded_pic_offset): Always make the
6212 embedded-pic subtractions relative to the name of the current
6213 function by use of the magic string "..CURRENT_FUNCTION".
6214 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
6216 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
6218 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
6219 of (const_int 0), when what we really care about is
6220 whether it's a zero constant anyway.
6221 (div_trap_mips16): Likewise.
6223 1999-11-23 Mark Mitchell <mark@codesourcery.com>
6225 * loop.c (loop_optimize): Always find_loop_tree_blocks and
6226 unroll_block_trees when generating debuggable code.
6228 * tree.h (unsave_expr_1): New function.
6229 (lang_unsave): New variable.
6230 (get_callee_fndecl): New function.
6231 * tree.c (unsave_expr_now_r): New function.
6232 (lang_unsave): Define.
6233 (unsave_expr_1): Likewise.
6234 (unsave_expr_now_r): Split out from unsave_expr_now.
6235 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
6236 call unsave_expr_now_r.
6237 (get_callee_fndecl): Define.
6239 * Makefile.in (gencheck): Don't depend on lang_tree_files.
6240 (gencheck.o): Do depend on lang_tree_files.
6242 * integrate.h (copy_decl_for_inlining): New declaration.
6243 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
6244 (copy_decl_for_inlining): New function.
6245 (integrate_parm_decls): Use it.
6246 (integrate_decl_tree): Likewise.
6248 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
6250 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
6251 the second two from the first.
6252 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
6253 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
6254 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
6256 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
6257 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
6260 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
6262 * pa.md (call_internal_symref, call_value_internal_symref): No mode
6263 needed on the address operand.
6264 * pa.c (call_operand_address): Check for the correct mode.
6266 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
6268 * loop.c: Include "basic-block.h".
6269 (try_copy_prop, replace_loop_reg): New functions.
6270 (load_mems): Detect registers that just hold copies of the hoisted
6271 mem, and call try_copy_prop to eliminate them.
6272 * Makefile.in (loop.o): Update dependencies.
6274 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
6276 * Makefile.in (gencheck.o): Depend on gencheck.h.
6277 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
6278 (insn-peep.o): Depend on except.h and function.h.
6279 (insn-attrtab.o): Depend on RECOG_H.
6280 (insn-output.o): Depend on toplev.h and flags.h.
6281 (gengenrtl.o): Depend on real.h.
6282 (gen-protos.o): Depend on cpplib.h and cpphash.h.
6283 Unify all dependencies to be on RECOG_H rather than recog.h.
6285 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6287 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
6288 * configure.in: Try building a bi-arch 32/64-bit compiler on
6289 sparc-*-solaris2.7 and higher.
6290 * configure: Rebuild.
6292 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
6294 * config/freebsd.h: New, FreeBSD architecture independent file.
6295 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
6297 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
6298 directly by i386/freebsd.h.
6299 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
6300 independent configuration file.
6301 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
6302 directly by i386/freebsd.h.
6303 * configure: Rebuilt.
6305 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
6306 which is in the user's namespace.
6307 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
6308 `i386' which is not in our namespace.
6310 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
6312 * invoke.texi (ARM Options): Add in -mno-alignment-traps
6314 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6316 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
6317 (add_dwarf_attr, add_child_die): Just push onto the front.
6318 (reverse_die_lists): New fn.
6319 (add_sibling_attributes): Use it.
6320 (push_decl_scope): Reorganize.
6321 (add_name_and_src_coords_attributes): Don't set file and line for
6323 (gen_subprogram_die): An artificial function doesn't need to match
6325 (gen_compile_unit_die): Return the generated die. Only add
6326 AT_comp_dir if the filename is relative.
6327 (remove_AT): Simplify loop. Also free string values.
6328 (output_die): A DIE ref can't be null.
6329 (output_value_format, value_format): Take a dw_attr_ref.
6330 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
6331 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6332 AT_addr, AT_lbl): New fns.
6333 (various): Use them.
6334 (various): Constify.
6336 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6338 * combine.c (combine_simplify_rtx): When handling a SUBREG,
6339 take SUBREG_WORD into account.
6340 (if_then_else_cond): Likewise.
6342 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6344 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
6345 clause from BSD license, pursuant with
6347 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
6349 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
6351 * loop.c (load_mems): Reformat slightly.
6352 * basic-block.h (regset_head): New typedef.
6353 (INIT_REG_SET): New macro.
6355 1999-11-22 Bruce Korb <autogen@linuxbox.com
6357 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
6358 (mips-dec-bsd*): non-functional code
6359 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
6361 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
6362 added three replacement fixes
6363 (no_double_slash): removed comments that are not (any longer) pertinent
6364 (bad_lval): this fix currently runs against many files.
6365 The comment seems to indicate that we should select for files
6366 containing 'pragma extern_prefix'.
6368 * fixinc/fixinc.x86-linux-gnu: deleted
6369 * fixinc/inclhack.sh: regen
6370 * fixinc/fixincl.x: regen
6371 * fixinc/fixincl.sh: regen
6373 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
6375 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
6376 its code is INSN and it has no notes.
6378 1999-11-22 Andrew Haley <aph@cygnus.com>
6380 * varasm.c (function_defined): Remove.
6381 (make_function_rtl): Don't set function_defined.
6382 (make_decl_rtl): Remove global register warning.
6383 * regclass.c (no_global_reg_vars): New variable.
6384 (globalize_reg): Warn if function has already been defined.
6385 (regclass_init): Set no_global_reg_vars.
6387 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6389 * regclass.c (reg_pref): New structure and static variable
6390 (prefclass): Delete.
6392 (all uses of prefclass and altclass): Use reg_pref instead.
6394 1999-11-21 Nick Clifton <nickc@cygnus.com>
6396 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
6398 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
6399 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6400 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6402 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
6404 * varasm.c (output_constructor): Solve problem with long long
6405 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
6407 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6409 * global.c (allocno): New structure and static variable.
6410 (allocno_reg): Remove, all references replaced by allocno.
6411 (allocno_size): Likewise.
6412 (hard_reg_conflicts): Likewise.
6413 (hard_reg_preferences): Likewise.
6414 (hard_reg_copy_preferences): Likewise.
6415 (hard_reg_full_preferences): Likewise.
6416 (regs_someone_prefers): Likewise.
6417 (allocno_calls_crossed): Likewise.
6418 (allocno_n_refs): Likewise.
6419 (allocno_live_length): Likewise.
6420 (find_reg): Rename ALLOCNO to NUM.
6422 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
6424 (may_move_out_cost): New variable.
6425 (init_reg_sets_1): Initialize may_move_out_cost.
6426 (record_reg_classes): Use may_move_out_cost.
6428 * regclass.c (dump_regclass): New function.
6429 (regclass): New parameter DUMP, call DUMP_REGCLASS.
6430 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
6431 pass rtl_dump_file to regclass.
6432 * rtl.h (regclass): Update prototype.
6434 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6436 * i386.md (neg, not and abs patterns): Revmap to use
6437 ix86_expand_unary_operator and ix86_unary_operator_ok.
6438 (add?f and sub?f expanders): Force operand 1 to register.
6439 * i386.c (ix86_expand_unary_operator): Rewrite.
6440 (ix86_unary_operator_ok): Ensure that memory operands
6442 (ix86_binary_operator_ok): Do not allow operand 1 to
6443 come into memory and operand 0 not.
6444 (ix86_expand_binary_operator): Ensure that
6445 src1 is not non-matching memory.
6447 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
6448 to support integer registers and memory.
6449 (abss?2_integer): Likewise.
6451 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
6452 (REG_CLASS_NAMES): Likewise.
6453 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
6455 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
6456 (movsf): Likewise; unify 4th and 5th alternative.
6458 (movdf_1): Likewise; rename to movdf_integer.
6459 (pushxf): Likewise; rename to pushxf_integer; fix output template;
6460 remove redundant splitter.
6461 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
6462 (movdf_nointeger): New.
6463 (movxf_nointeger): New.
6464 (pushxf_nointeger): New.
6466 * i386.md (extend?f?f): Split to expander and pattern, refuse two
6467 memory operands in patterns.
6468 (fop*): Refuse two memory operands.
6470 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
6471 on !TARGET_USE_CLTD CPUs.
6473 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
6475 * extend.texi: Document C++ restricted pointers and references.
6477 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
6479 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
6480 (invalidate_skipped_set): Call it unconditionally.
6481 (cse_set_around_loop): Likewise.
6483 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6485 * rtl.texi (mem): Add documentation for alias-set argument
6488 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6490 * i386.h (struct_processor_costs): New fields int_load, int_store,
6491 fp_move, fp_load and fp_store
6492 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
6494 (MEMORY_MOVE_COST): New macro.
6495 * i386.c (386_cost): Define new fields.
6496 (i486_cost): Likewise.
6497 (pentium_cost): Likewise.
6498 (pentiumpro_cost): Likewise.
6499 (k6_cost): Likewise.
6501 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
6502 Geoffrey Keating <geoffk@cygnus.com>
6504 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
6506 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
6509 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
6510 (TARGET_STRICT_ALIGNMENT): New macro.
6511 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
6512 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
6513 * invoke.texi (M680x0 Options): Document -mstrict-align.
6515 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
6516 Richard Henderson <rth@cygnus.com>
6518 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
6519 (ix86_split_long_move): Declare.
6520 * i386.c (split_xf, ix86_split_movdi): Remove.
6521 (ix86_split_to_parts, ix86_split_long_move): New.
6522 * i386.md (dimode move splitters): Use ix86_split_long_move.
6523 (dfmode move splitters): Likewise.
6524 (xfmode move splitters): Likewise.
6525 (movsf_1): Allow F->r.
6526 (movdf_1, movxf_1): Allow F->ro.
6528 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6530 * except.h (struct eh_entry): Add goto_entry_p.
6531 (eh_region_from_symbol): Remove prototype.
6532 * except.c (find_func_region_from_symbol): New function.
6533 (emit_cleanup_handler): Likewise.
6534 (eh_region_from_symbol): Make it static.
6535 (add_new_handler): Verify the argument.
6536 (find_func_region): Update comment.
6537 (expand_eh_region_end): Expand handlers here, rater than waiting
6538 until expand_leftover_cleanups or start_all_catch.
6539 (expand_leftover_cleanups): Don't expand here.
6540 (expand_start_all_catch): Or here.
6541 (expand_rethrow): Check the return value from find_func_region.
6542 * function.c (expand_function_end): Emit the catch_clauses.
6544 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
6546 * integrate.c (expand_inline_function): Add necessary check for NULL.
6548 1999-11-18 Nick Clifton <nickc@cygnus.com>
6550 * toplev.c (main): Correctly detect an unrecognised option.
6552 * cppinit.c (cpp_handle_option): Do not claim to have consumed
6553 a -f option if it has not been recognised.
6555 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
6557 * basic-block.h (update_life_extent): Remove trailing comma on
6558 enumeration type list.
6560 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6562 * varasm.c (output_constructor) Solved problem with long long
6563 bitfields. Corrected calculating this_time and shift. Also
6564 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
6566 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
6568 * flow.c (split_edge): Take looping structure into account when
6569 determining where to put the new block note.
6571 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
6573 * Makefile.in (ggc-none.o): Provide host specific version if
6576 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
6578 * cse.c (delete_trivially_dead_insns): Identify no-op insns
6579 containing subregs too.
6581 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6583 * invoke.texi: Add documentation for -muninit-const-in-rodata.
6584 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
6585 (TARGET_UNINIT_CONST_IN_RODATA): Define.
6586 (text_section): Add switches -munint-const-in-rodata and
6587 -mno-uninit-const-in-rodata.
6588 (ASM_OUTPUT_COMMON): Remove.
6589 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
6590 const objects should be placed in read-only data. Otherwise declare
6593 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
6595 * jump.c (jump_optimize_1): Revert last change.
6597 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
6599 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
6600 test if optimizing for size.
6602 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6604 * Makefile.in (toplev.o): Depend on except.h.
6605 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
6607 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6609 * i386.md (divmodsi4): Rewrite to expander.
6610 (*divmodsi4_nocltd): New.
6611 (*divmodsi4_cltd): New.
6612 (divmodsi4 splitter): Handle the case when input comes in edx.
6613 (udivmodhi4): Do not use constraints in exander.
6614 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
6616 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
6618 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
6619 for the common case.
6621 1999-11-16 Jakub Jelinek <jakub@redhat.com>
6623 * explow.c (hard_function_value): Add outgoing argument.
6624 * expr.h (hard_function_value): Declare it.
6625 * calls.c (expand_call, emit_library_call_value): Update callers.
6626 * function.c (aggregate_value_p): Ditto.
6627 (diddle_return_value): Must look at the outgoing registers
6628 on archs with register windows.
6630 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
6632 * alpha.c (alpha_build_va_list): Use make_lang_type and
6633 initialize TYPE_NAME for the va_list record.
6635 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
6637 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
6639 * ggc.h (struct ggc_statistics): Rearrange elements for better
6640 packing on 64-bit hosts.
6641 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
6642 (compute_nearerout): Likewise.
6644 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
6646 * config/rs6000/rs6000.c (first_reg_to_save): Save
6647 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
6649 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
6651 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
6652 notion of nesting to find the DIE for a type or function.
6653 DIEs can go in limbo even if we got a context_die.
6654 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
6655 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
6657 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
6658 (gen_type_die): Writing out the context doesn't cause member class
6659 template instantiations to be written out as well.
6661 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
6663 * rs6000.h (ASM_OUTPUT_DEF): New.
6664 Based on proposed addition from David Edelsohn.
6666 1999-11-15 Robert Lipe <RobertLipe@usa.net>
6667 Bruce Korb <autogen@linuxbox.com>
6669 * fixinc/inclhack.def
6670 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
6671 (unixware7_byteorder_fix): added. Removes conflicts for new defs
6673 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
6674 (svr4_endian): enabled with SVR5
6675 (svr4_mkdev): simplified syntax and enabled with SVR5
6677 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
6679 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
6680 * configure: Rebuilt.
6681 * config/t-freebsd-thread: New file.
6683 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6685 * i386.c (ix86_decompose_address): Verify the base is a REG
6686 before trying to examine its register number.
6688 * basic-block.h: Remove all #defines and prototypes related to
6690 (free_bb_mem, compute_preds_succs): Remove prototype.
6691 * rtl.h (free_bb_mem): Remove prototype.
6692 * flow.c (alloc_int_list_node); Remove function.
6693 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6694 (compute_preds_succs, free_bb_mem): Likewise.
6695 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6696 * toplev.c (rest_of_compilation): Likewise.
6697 * haifa-sched.c (build_control_flow): Use flow generated edge
6698 list to build the haifa specific edge list.
6699 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6700 (schedule_insns): Do not build pred/succ lists anymore. Instead
6701 build the edge table.
6703 * basic-block.h (dump_bb_data): Remove declaration.
6704 * flow.c (dump_bb_data): Remove function.
6705 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6706 (sbitmap_union_of_predsucc): Likewise.
6708 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6709 argument. All callers changed.
6710 (delete_null_pointer_checks_1): No longer need to compute the
6713 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6714 All callers changed.
6715 (pre_expr_reaches_here_p_work): Likewise.
6716 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6717 * lcm.c (compute_laterin): Fix initialization of LATER.
6718 (compute_nearerout): Similarly for NEARER.
6720 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6722 * cse.c (set_nonvarying_address_components): Delete unused function.
6723 (refers_to_p): Likewise.
6725 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6727 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6730 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6732 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6733 definition in do while (0).
6735 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6737 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6739 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6741 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6743 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6745 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6746 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6747 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6748 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6750 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6751 saved on the stack. Output more accurate stack frame statistics
6752 into assembler file.
6754 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6756 * genextract.c (record_insn_name): New function.
6757 (get_insn_name): No longer a stub.
6758 (main): Call record_insn_name for each insn. After each label
6759 written, print the insn name in a comment.
6761 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6763 * output.h (const_section, init_section, fini_section): Add
6766 * alpha/elf.h (const_section): Delete declaration.
6768 * svr4.h (const_section): Likewise.
6770 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6772 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6773 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6774 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6776 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6777 variable-sized array bounds.
6779 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6781 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6784 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6786 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6787 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6789 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6791 * cse.c (hash_arg_in_struct): Delete.
6792 (struct table_elt): Delete elt in_struct.
6793 (struct set): Delete elt src_in_struct.
6794 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6795 the corresponding in_struct elts.
6796 (canon_hash): Likewise.
6797 (safe_hash): Likewise.
6798 (find_best_addr): Likewise.
6799 (record_jump_cond): Likewise.
6800 (cse_insn): Likewise.
6802 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6804 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6806 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6809 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6811 * function.c (diddle_return_value): Put back check that the DECL_RTL
6812 for the function is a register.
6814 * function.c (diddle_return_value): Use hard_function_value to
6815 get an rtx suitable for use in the USE/CLOBBER insn.
6817 * global.c (global_conflicts): Update comments.
6818 (record_conflicts): No need to record conflicts between pseudos here.
6820 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6822 * fixinc/fixincl.c: Added verbose levels for status messages
6824 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6826 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6827 operand as argument to expand_and or expand_binop.
6829 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6831 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6832 gcc_add_string_root.
6834 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6836 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6838 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6840 * flow.c (compute_flow_dominators): Initially put all blocks on
6842 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6843 * gcse.c (compute_cprop_avinout): Remove.
6844 (compute_cprop_data): Use compute_available.
6845 (delete_null_pointer_checks_1): Use compute_available.
6847 * basic-block.h (compute_available): Returns a void now.
6848 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6849 to return a value anymore.
6850 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6851 worklists. Fix boundary cases. Compute maximal solutions.
6852 (compute_laterin, compute_nearerout): Similarly.
6854 * dwarf2out.c (add_AT_location_description): Allow
6855 (mem (plus (pseudo) (...)) too.
6857 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6859 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6861 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6862 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6864 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6866 * gansidecl.h: Likewise.
6872 * toplev.h: Likewise.
6878 * varray.c: Likewise.
6880 * varray.h: Likewise.
6882 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6884 * gcov.c (struct arcdata): Add hits and total, remove prob.
6885 (output_branch_counts): New.
6886 (process_args): Set output_branch_counts if -c.
6887 (calculate_branch_probs): Store hits and total instead of
6889 (output_data): Emit counts if output_branch_counts is true.
6890 * gcov.texi (Invoking Gcov): Document -c switch..
6892 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6894 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6895 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6897 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6899 * invoke.texi (C Dialect Options): Add missing builtins from
6901 * extend.texi (Other Builtins): Copy to this list.
6903 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6905 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6906 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6909 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6911 * flow.c (compute_flow_dominators): No longer treat basic block 0
6912 or (n_basic_blocks - 1) specially. Clear the AUX field before
6913 starting computation of doms/pdoms. Fix initial state for pdoms.
6915 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6917 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6918 match rtl.o's: added ggc.h and toplev.h
6919 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6920 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6921 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6923 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6925 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6926 from HAVE_DOS_BASED_FILESYSTEM.
6927 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6928 HAVE_DOS_BASED_FILESYSTEM.
6930 (split_directories): Only special-case DOS file names if
6931 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6932 instead of explicit tests. Conditionalize on !VMS.
6933 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6934 tests. Conditionalize on !VMS.
6935 (process_command): Only use make_relative_prefix if !VMS.
6936 (free_split_directories): Conditionalize on !VMS.
6937 (DIR_UP): Conditionalize on !VMS.
6939 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6941 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6943 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6945 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6948 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6950 * invoke.texi (Environment Variables): Document relative path
6952 * gcc.c (DIR_UP): If not defined, define as "..".
6953 (standard_bindir_prefix): New static, holds target location to
6955 (split_directories): New function to split a filename into
6956 component directories.
6957 (free_split_directories): New function, release memory allocated
6958 by split_directories.
6959 (make_relative_prefix): New function, make a relative pathname if
6960 the compiler is not in the expected location.
6961 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6962 can figure out an appropriate prefix from argv[0].
6963 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6964 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6965 STANDARD_BINDIR_PREFIX.
6967 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6969 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6971 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6972 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6973 c4x_secondary_memory_needed) Delete.
6974 (fp_zero_operand): Add mode argument.
6976 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6978 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6979 that is in reload_reg_used.
6981 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6983 * config/arm/arm-protos.h: New file: Prototypes for functions
6984 defined in arm.c and pe.c.
6985 * config/arm/arm.h: Fix compile time warnings.
6986 * config/arm/arm.c: Fix compile time warnings.
6987 * config/arm/pe.h: Fix compile time warnings.
6988 * config/arm/aout.h: Fix compile time warnings.
6990 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6992 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6995 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6996 Add support for subtargets.
6997 Add prototypes for new predicates.
6998 Add scheduling macros.
7000 * config/m32r/m32r.c: Fix compile time warnings.
7001 (int8_operand): New predicate function.
7002 (reg_or_cmp_int16_operand): New predicate function.
7003 (extend_operand): New predicate function.
7004 (m32r_adjust_code): New scheduling function.
7005 (m32r_adjust_priorty): New scheduling function.
7006 (m32r_sched_init): New scheduling function.
7007 (m32r_sched_reorder): New scheduling function.
7008 (m32r_sched_variable_issue): New scheduling function.
7009 (direct_return): New codegen function.
7010 (m32r_not_same_reg): New rtl testsing function.
7012 * config/m32r/m32r.md: Fix compile time warnings.
7013 Add support for pre decrement and post increment memory
7018 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7020 * global.c (EXECUTE_IF_CONFLICT): Don't define.
7021 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
7022 (find_reg): Likewise.
7024 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
7026 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
7027 to avoid assembler errors.
7029 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
7031 * config/v850/v850-protos.h: New file: Prototypes for functions
7033 * config/v850/v850.h: Move prototypes to v850-protos.h
7034 * config/v850/v850.c: Move prototypes to v850-protos.h
7035 * config/v850/v850.md: Fix compile time warnings.
7037 * config/fr30/fr30-protos.h: New file: Prototypes for functions
7039 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
7040 * config/fr30/fr30.c: Fix compile time warnings.
7041 * config/fr30/fr30.md: Fix compile time warnings.
7043 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
7045 * tree.h (get_containing_scope): Declare it.
7046 * tree.c (get_containing_scope): New fucntion.
7047 (decl_function_context): Use it.
7048 * toplev.c (rest_of_compilation): Use get_containing_scope.
7050 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7052 * Makefile.in (rtl.o): Depend on toplev.h.
7054 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
7056 * cse.c (delete_trivially_dead_insns): Replace alloca with
7058 * except.c (update_rethrow_references): Likewise.
7059 (init_eh_nesting_info): Likewise.
7060 * function.c (identify_blocks): Likewise.
7061 * gcse.c (dump_hash_table): Likewise.
7062 * graph.c (print_rtl_graph_with_bb): Likewise.
7063 * loop.c (combine_movables): Likewise.
7064 (move_movables): Likewise.
7065 (count_loop_regs_set): Likewise.
7066 (strength_reduce): Likewise.
7067 * profile.c (compute_branch_probabilities): New function, split
7069 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
7070 * regclass.c (regclass): Likewise.
7071 * regmove.c (regmove_optimize): Likewise.
7072 * toplev.c (compile_file): Likewise.
7073 (main): Don't mess with the stack rlimit.
7075 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
7077 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
7078 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
7080 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
7082 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
7084 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
7086 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
7087 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
7090 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
7092 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
7094 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
7096 * gcse.c (post_dominators): Kill.
7097 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
7098 (compute_code_hoist_data): Use compute_flow_dominators. Do not
7099 pass in a pdom array since we do not need pdoms.
7100 * haifa-sched.c (schedule_insns): Similarly.
7101 * flow.c (compute_dominators): Remove dead function.
7102 (compute_flow_dominators): Do not compute doms or pdoms if the
7103 caller does not request them. Split up loop to build doms and
7104 pdoms. Use a worklist to compute doms and pdoms.
7105 * basic-block.h (compute_dominators): Remove prototype.
7107 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
7109 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
7110 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
7111 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
7112 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
7113 (cant_move, fed_by_spec_load, is_load_insn): Remove.
7114 (schedule_region): Remove unused variable.
7115 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
7117 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
7119 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
7120 (update_equiv_regs): Likewise.
7121 (block_alloc): Likewise.
7122 * reg-stack.c (reg_to_stack): Likewise.
7123 (convert_regs_2): Likewise.
7124 * reload1.c (reload_as_needed): Likewise.
7126 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
7128 * Makefile.in (dbxout.o): Depend on ggc.h.
7129 (dwarf2out.o): Likewise.
7130 (xcoffout.o): Likewise.
7131 * dbxout.c: Include ggc.h.
7132 (dbxout_init): Register lastfile as a root.
7133 * dwarf2out.c: Include ggc.h.
7134 (dwarf2out_line): Register lastfile as a root.
7135 * xcoffout.c: Include ggc.h.
7136 (xcoffout_source_line): Register xcoff_lastfile as a root.
7138 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
7140 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
7142 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
7144 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
7146 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7148 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7150 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
7151 (EXECUTE_IF_CONFLICT): Likewise.
7152 (ALLOCNO_LIVE_P): Avoid signed division.
7153 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
7154 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
7155 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
7157 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
7159 * haifa-sched.c (schedule_block): Don't crash if there's no
7160 next insn for an interblock movement.
7161 (add_branch_dependences): Don't allow clobber insns to move either.
7163 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
7165 * i386.c (split_xf): New.
7166 * i386-protos.h: Declare it.
7167 * i386.md (movxf_1): Add general regs alternatives.
7168 (movxf_1+1): New splitter for same.
7170 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
7172 * function.c (purge_addressof_1): Add missing return values.
7174 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
7176 * function.c (is_addressof): New function. Returns true if
7177 the given piece of RTL is an ADDRESSOF.
7178 (purge_addressof_1): Make boolean. Return false if the
7179 ADDRESSOFs could not be purged.
7180 (purge_addressof): If ADDRESSOFs could not be purged from the
7181 notes attached to an insn, remove the offending note(s),
7182 unless they are attached to a libcall.
7184 1999-11-05 Andreas Jaeger <aj@suse.de>
7186 * genoutput.c (null_operand =): Initialize all fields.
7188 * errors.h: Add extern to prototypes.
7190 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
7192 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
7193 * configure: Rebuilt.
7195 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7197 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
7198 (mirror_conflicts): New function.
7199 (global_alloc): Call it.
7200 (expand_preferences): Remove redundant CONFLICTP test.
7201 (find_reg, dump_conflicts): Likewise.
7202 (prune_preferences): Process conflicts one word at a time.
7204 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
7206 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
7207 instead of an explicit loop.
7209 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
7211 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
7212 if REG_RETVAL check succeeds, then put classp in src_elt.
7214 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
7216 * function.c (pad_to_arg_alignment): Only update argument_pad
7217 if the argument's alignment is greater than STACK_BOUNDARY.
7219 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
7221 * bitmap.h (BITMAP_XFREE): New.
7222 * flow.c (life_analysis): Use it.
7223 (life_analysis_1): Free blocks.
7225 * combine.c (undo_commit): New.
7226 (try_combine): Use it. Don't zap undobuf.undos.
7227 (combine_instructions): Don't zap undobuf.undos; free the
7230 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
7232 * stmt.c (cost_table_): New.
7233 (estimate_case_costs): Use it instead of xmalloc.
7235 * toplev.c (compile_file): Reuse dumpname memory instead
7238 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
7240 * reg-stack.c (convert_regs_1): Initialize target_stack->top
7241 after verifying an EH edge.
7243 * haifa-sched.c (init_rgn_data_dependences): Correctly
7244 size bb_pending_lists_length when zeroing.
7246 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
7248 * function.c (diddle_return_value): New.
7249 (expand_function_end): Use it.
7250 * stmt.c (expand_null_return): Likewise.
7251 (expand_value_return): Likewise.
7253 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
7255 * reload1.c (reload): Don't remove return value clobbers.
7257 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
7259 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
7261 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
7263 * cse.c (cse_main): Use xmalloc, not alloca.
7264 (cse_basic_block): Likewise.
7265 * local-alloc.c (local_alloc): Likewise.
7267 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
7268 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7270 * rtl.c: Include toplev.h.
7271 (fatal): Remove declaration.
7273 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
7275 * haifa-sched.c (schedule_block): Fix thinko.
7277 1999-11-03 James McKelvey <mckelvey@fafnir.com>
7279 * fixinc/fixincl.c(create_file): Allow for systems that do not have
7280 S_IR* defined values
7282 1999-11-03 Philippe De Muyter <phdm@macqel.be>
7284 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
7285 call `malloc' instead.
7287 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
7289 * flags.h (flag_renumber_insns): Declare.
7290 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
7292 * rtl.h (renumber_insns): Change prototype.
7293 * toplev.c (flag_renumber_insns): Define.
7294 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
7296 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
7298 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
7299 and fpsqrtd. Use them and create fdiv function unit to more
7300 accurately represent fpu sqrt pipeline semantics on UltraSparc.
7301 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
7303 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
7305 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
7307 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
7308 insn into ready list, do not use just a raw swap.
7310 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
7312 * rtl.h (renumber_insns): New function.
7313 (remove_unnecessary_notes): Likewise.
7314 * emit-rtl.c (renumber_insns): Define.
7315 (remove_unncessary_notes): Likewise.
7316 * toplev.c (rest_of_compilation): Remove dead code.
7317 Use renumber_insns and remove_unncessary_notes.
7319 * gcse.c (struct null_pointer_info): New type.
7320 (get_bitmap_width): New function.
7321 (current_block): Remove.
7322 (nonnull_local): Likewise.
7323 (nonnull_killed): Likewise.
7324 (invalidate_nonnull_info): Take a null_pointer_info as input.
7325 (delete_null_pointer_checks_1): New function.
7326 (delete_null_pointer_checks): Use it.
7328 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
7329 (split_edges): Likewise.
7330 (schedule_block): Likewise.
7331 (compute_block_backward_dependencies): Likewise.
7332 (schedule_region): Likewise.
7333 (schedule_insns): Likewise.
7335 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
7337 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
7338 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
7339 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
7340 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
7341 * jump.c (delete_unreferenced_labels): Don't delete if
7342 LABEL_ALTERNATE_NAME is set.
7343 * print-rtl.c (print_rtx): Dump alternate name.
7344 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
7345 * rtl.h (LABEL_ALTERNATE_NAME): Define.
7346 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
7347 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
7349 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7351 * fix-header.c (recognized_extern, recognized_function): Constify
7354 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
7355 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7356 (compute_available): Remove unused variable `last'.
7357 (compute_nearerout): Remove unused variable `temp_bitmap'.
7358 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7359 Remove unused variable `x'.
7361 * scan.h (recognized_function, recognized_extern): Constify a
7364 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
7366 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7368 * varasm.c (decode_rtx_const): Use XSTR to access the string
7371 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
7373 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
7375 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7377 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
7379 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
7381 * pa.c (ireg_operand): New function.
7382 * pa.h (PREDICATE_CODES): Handle ireg_operand.
7383 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
7384 Fix out of date comment.
7386 * pa.md (negdi2): Turn into expander + anonymous pattern.
7388 * reload.c (find_reloads): Fix typos in recent change.
7390 * dwarf2out.c: Do not include ctype.h.
7392 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7394 * regclass.c (record_reg_classes): Always use may_move_cost when
7395 seeing how operand fits with various register classes.
7397 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
7399 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
7400 * toplev.c: Revert Nov 1 13:22 change.
7402 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
7404 * config/pa/pa.md (height reduction patterns): Add checks for
7405 overlapping operands to avoid semantic-destroying splits for
7406 height reduction patterns.
7408 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7410 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
7411 have been an hyphen, fixed.
7412 * configure: Rebuilt.
7414 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
7416 * config/arm/tpe.h: Add prototypes for exported functions.
7417 * config/arm/pe.c: Fix compile time warnings.
7418 * config/arm/semi.h: Fix compile time warnings.
7419 * config/arm/arm.c: Fix compile time warnings.
7420 * config/arm/arm.h: Fix compile time warnings.
7421 * config/arm/arm.md: Fix compile time warnings.
7422 * config/arm/thumb.c: Fix compile time warnings.
7423 * config/arm/thumb.h: Fix compile time warnings.
7424 * config/arm/thumb.md: Fix compile time warnings.
7426 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
7428 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
7431 * unroll.c (unroll_loop): Remove LOOP notes when loop is
7432 completely unrolled.
7434 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7436 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
7438 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
7440 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
7441 * rtl.h (rtx_equal_p): Move prototype.
7442 * rtl.c (rtx_equal_function_value_matters): Move from
7444 (rtx_equal_p): Likewise.
7445 * rtlanal.c (rtx_equal_function_value_matters): Delete.
7446 (rtx_equal_p): Likewise.
7448 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
7450 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
7453 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
7455 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
7457 * pa.h (ADDR_VEC_ALIGN): Define.
7459 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
7460 notes when presented with "if (foo) break; end_of_loop" and
7461 the break sequence gets moved out of the loop.
7463 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
7464 Remove explicit zero initializations of entries within MAP.
7466 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
7468 * reg-stack.c (convert_regs_1): Handle EH edges specially.
7470 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
7472 * bitmap.h (BITMAP_XMALLOC): New macro.
7473 * flow.c (CLEAN_ALLOCA): Remove.
7474 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
7475 (life_analysis): Likewise.
7476 (update_life_info): Don't use CLEAN_ALLOCA.
7477 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
7478 (calculate_global_regs_live): Likewise.
7479 (print_rtl_with_bb): Likewise.
7480 (verify_flow_info): Likewise.
7481 * global.c (global_alloc): Likewise.
7482 (global_conflicts): Likewise.
7483 * integrate.c (save_for_inline_nocopy): Likewise.
7484 (expand_inline_function): Likewise.
7485 * jump.c (jump_optimize_1): Likewise.
7486 (duplicate_loop_exit_test): Likewise.
7487 (thread_jumps): Likewise.
7488 * loop.c (loop_optimize): Likewise.
7489 (combine_givs): Likewise.
7490 (recombine_givs): Likewise.
7491 * reorg.c (dbr_schedule): Likewise.
7492 * unroll.c (unroll_loop): Likewise.
7494 * combine.c (combine_instructions): Use xmalloc instead of alloca.
7496 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
7498 * toplev.c (rest_of_compilation): Don't optimize the CFG
7499 when rebuilding, just before dbr.
7501 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7503 * output.h (assemble_end_function, assemble_destructor,
7504 assemble_constructor, assemble_gc_entry, assemble_global,
7505 assemble_label, output_constant_pool) Constify a char*.
7507 * varasm.c (assemble_destructor, assemble_constructor,
7508 assemble_gc_entry, assemble_end_function, assemble_global,
7509 assemble_label, output_constant_pool): Likewise.
7511 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
7513 * config/arm/thumb.c (thumb_expand_prologue): Add comments
7514 explaining what is goin on in this function.
7516 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7518 * regclass.c (record_reg_classes): In matching case, recompute
7519 costs since the direction of movement is different.
7521 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7523 * resource.c (mark_target_live_regs): For unconditional branches,
7524 the resources found at the branch target should be added to the
7525 resources found so far, not intersected.
7527 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
7529 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
7531 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
7532 (sys/mman.h): Include this file only if #HAVE_MMAP.
7533 (run_compiles): Initialize `esac_fmt' with one old KR string, not
7534 with automatically concatenated ANSI strings.
7536 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
7538 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
7539 (DIV_ROUND_UP): Robustify.
7540 (ggc_recalculate_in_use_p): New function.
7541 (release_pages): Don't inline it.
7542 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
7544 (ggc_pop_context): Use ggc_recalculate_in_use_p.
7545 (clear_marks): Always save in_use_p.
7546 (sweep_pages): Use ggc_recalculate_in_use_p.
7547 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
7548 Release pages before counting statistics.
7550 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
7552 * toplev.c (rest_of_compilation): Fix thinko in this change:
7554 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7556 (rest_of_compilation): If inside an inlined external function,
7557 pretend we are just being declared.
7559 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
7561 * flow.c (calculate_global_regs_live): Fix thinko.
7563 * integrate.c (expand_inline_function): Fix bugs in previous
7564 change from Oct 28, 1999.
7566 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
7568 * stmt.c (expand_value_return): Fix typo in this change:
7570 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7571 (expand_value_return): Correctly convert VAL when promoting function
7572 return; support RETURN_REG being a PARALLEL.
7574 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
7576 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
7578 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7580 * hard-reg-set.h (reg_names): Constify a char*.
7582 * regclass.c (reg_names): Likewise.
7584 * regs.h (reg_names): Likewise
7586 * a29k/a29k.c (reg_names): Delete declaration.
7588 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
7590 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
7591 arc_output_function_epilogue): Likewise.
7593 * elxsi/elxsi.c (reg_names): Likewise.
7595 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
7597 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
7600 * m88k/m88k.c (output_function_profiler): Likewise.
7602 * sparc/sparc.c (sparc_flat_output_function_prologue,
7603 sparc_flat_output_function_epilogue): Likewise.
7605 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
7607 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
7608 warning from -Wuninitialized and put it under -W.
7609 * function.c (uninitialized_vars_warning): Warn only when the
7610 corresponding flag is set.
7612 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
7614 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
7615 is nonzero and the single set does not have an elt, then assign
7618 * simplify-rtx.c: New file.
7619 * Makefile.in (OBJS): Add simplify-rtx.o
7620 (simplify-rtx.o): Add dependencies.
7621 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
7622 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
7623 (cse_gen_binary, simplify_unary_operation): Delete.
7624 (simplify_binary_operation, simplify_plus_minus): Likewise.
7625 (check_fold_consts, simplify_relation_operation): Likewise.
7626 (simplify_ternary_operation): Likewise.
7627 (delete_trivially_dead_insns): Simplify the contents of the
7628 REG_EQUAL note before trying to substitute it into the source
7629 of the reg-reg copy at the end of a libcall sequence.
7631 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
7632 references/callers changed.
7634 * mn10200.c (mn10200_va_arg): Force the return value into a
7637 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
7639 * cccp.c (macroexpand): Avoid out of range accesses for omitted
7642 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
7644 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
7646 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
7648 * fold-const.c (fold): Fix thinko when optimizing comparisons
7651 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
7653 * gcc.texi (Passes): Update front-end files to their current
7656 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
7658 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
7659 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
7660 (PREDICATE_CODES): Add addition_operation.
7661 * alpha-protos.h (addition_operation): Declare.
7662 (secondary_reload_class): Likewise.
7663 * alpha.c (addition_operation): New.
7664 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
7665 * alpha.md (adddi3): Turn into expander.
7666 (*lda, *adddi_2): New.
7667 (movsf, movdf patterns): Don't preference integer regs.
7668 (movsi, movdi patterns): Don't preference fp regs.
7670 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
7672 * genrecog.c (write_switch): Check for duplicate CODE cases.
7674 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
7676 * ggc-common.c: Update pre-function commentary.
7677 * ggc-page.c: Likewise.
7679 (poison_pages): Use memset directly.
7680 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
7681 (ggc_collect): Poison before sweeping.
7682 * ggc-simple.c: Update pre-function commentary.
7683 (ggc_alloc_obj): Poison non-zeroed memory.
7685 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7687 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7688 match format string, even on 64-bit hosts.
7689 * gcc-page.c (ggc_page_print_statistics): Likewise.
7691 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7693 * config/i386/i386.c (ix86_cpu): Revert last patch.
7694 * config/i386/i386.h (ix86_cpu): Ditto.
7696 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7698 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7699 TYPE_SIZE, convert type of result to sizetype.
7701 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7703 * flow.c (count_or_remove_death_notes): Equate NULL with the
7706 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7707 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7710 * i386.c (pic_label_no): Delete.
7711 (ix86_attr_length_default): Don't use single_set to peek
7714 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7715 the first insn after bb->end.
7716 * i386.md (push mem peeps): Scratch is live after evaluation
7718 (cmp mem peep): Similarly.
7720 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7722 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7723 * function.c (pad_to_arg_alignment): Add missing braces.
7725 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7727 * alpha/alpha-protos.h (literal_section): Add prototype.
7728 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7731 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7733 (alpha_start_function, alpha_end_function, float_strings,
7734 alpha_need_linkage): Constify a char*
7736 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7738 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7740 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7742 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7744 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7746 * flow.c (debug_flow_info): Add prototype.
7748 * gcc.c (main): Likewise.
7750 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7753 * reload1.c (failed_reload, set_reload_reg): Likewise.
7755 * mips-tfile.c (main): Likewise.
7756 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7757 with ATTRIBUTE_NORETURN.
7759 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7761 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7762 DECL is not a memory ref.
7764 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7766 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7767 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7769 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7771 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7772 * config/mips/elf64.h: ditto.
7774 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7776 * expr.c (emit_push_insn): New argument alignment_pad.
7777 Update all callers. Adjust stack pointer based on alignment pad.
7778 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7779 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7780 (locate_and_pad_parm): New argument alignment_pad. Update all
7782 * expr.h (emit_push_insn): Update prototype.
7783 (locate_and_pad_parm): Update prototype.
7784 * calls.c (arg_data): Add new field alignment_pad.
7785 (initialize_argument_information): Initialize alignment_pad.
7787 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7789 * except.c (free_eh_nesting_info): Free the info itself.
7790 * function.c (free_after_compilation): Don't free NULL.
7791 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7792 (pre_edge_insert): Free inserted.
7793 * stmt.c (free_stmt_status): Don't free NULL.
7795 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7797 * gcov.c (DIR_SEPARATOR): Provide default.
7798 (output_data): Add test for MS-DOS format absolute filename.
7799 (fancy_abort): Correct program name.
7800 (open_files): Open all files in binary mode.
7801 * libgcc2.c (__bb_exit_func): Likewise.
7803 * profile.c (init_branch_prob): Specify binary when opening files.
7805 * flags.h (flag_unwind_tables): New decl.
7806 * toplev.c (flag_unwind_table): New definition.
7807 (f_options): Add -funwind-tables.
7808 (decode_g_option): Clarify warning when unknown -g option is given.
7809 (rest_of_compilation): If inside an inlined external function,
7810 pretend we are just being declared.
7812 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7813 (dwarf2out_frame_finish): Likewise.
7815 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7817 * fold-const.c (merge_ranges): If not in0, but in1, handle
7818 upper bounds equal like subset case.
7820 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7822 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7823 passed in a register but moved to the stack.
7825 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7827 * gcc.c (pass_exit_codes, greatest_status): New variables.
7828 (struct option_map): Add entry for "--pass-exit-codes".
7829 (execute): Update greatest_status if error.
7830 (display_help): Add documentation for -pass-exit-codes.
7831 (process_command): Handle -pass-exit-codes.
7832 (main): Look at pass_exit_codes and greatest_status on call to exit.
7834 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7836 * reload.c (find_reloads): Refine test for no input reload
7837 case to not includes reloads emitted after insn.
7839 * function.c (find_temp_slots_from_address): Handle sum involving
7840 a register that points to a temp slot.
7841 (update_temp_slot_address): Make recursive call if both old and
7842 new are PLUS with a common operand.
7843 * calls.c (expand_call): Mark temp slot for result as having
7846 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7848 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7849 component as well as "BINUTILS".
7851 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7852 * integrate.c (copy_rtx_and_substitute): Likewise.
7853 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7854 All callers changed.
7855 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7857 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7858 gdb extensions, write size of type; also be more consistent
7859 in using references when this is a subtype.
7861 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7862 that is out of range.
7864 * loop.c (unknown_constant_address_altered): New variable.
7865 (prescan_loop): Initialize it.
7866 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7867 (invariant_p, case MEM): Remove handling for volatile and readonly;
7868 check new variable if readonly.
7869 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7871 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7872 (addr_affects_sp_p): Removed from note_mem_written and only
7873 define #ifdef AUTO_INC_DEC.
7875 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7877 * regclass.c (record_reg_classes): Properly handle register move
7880 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7881 Don't think valid if both operands are invalid.
7882 (struct constant_descriptor): New field RTL.
7883 (mark_const_hash_entry): Mark it.
7884 (record_constant{,_rtx}): Initialize it.
7885 (output_constant_def): Allocate RTL in permanent obstack and
7887 ({record,compare}_constant_1): Modes must match for
7888 CONSTRUCTOR of ARRAY_TYPE.
7890 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7891 * output.h (initializer_constant_valid_p): Move decl to here.
7892 * c-common.c (initializer_constant_valid_p): Delete function from here.
7893 * varasm.c (initializer_constant_valid_p): Move function to here.
7895 * tree.h (STRIP_SIGN_NOPS): New macro.
7896 * fold-const.c (optimize_minmax_comparison): New function.
7897 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7898 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7899 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7900 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7901 widening conversions.
7902 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7903 to look at size of mode, not precision of type; also add missing cases.
7904 (optimize_bit_field_compare, decode_field_reference): Don't try to
7905 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7907 * dwarf2out.c (ctype.h): Include.
7908 (dwarf2out_set_demangle_name_func): New function.
7909 (size_of_line_info): Deleted.
7910 (output_line_info): Compute size of line info table from difference
7912 (base_type_die, add_name_attribute): Call demangle function, if any.
7913 (field_byte_offset): Use bits per word for variable length fields.
7914 (gen_array_type_die): Add array name.
7915 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7916 (dwarf2out_add_library_unit_info): New function.
7918 * explow.c (set_stack_check_libfunc): New function.
7919 (stack_check_libfunc): New static variable.
7920 (probe_stack_range): Allow front-end to set up a libfunc to call.
7922 * combine.c (simplify_comparison): When making comparison in wider
7923 mode, check for having commuted an AND and a SUBREG.
7924 (contains_muldiv): New function.
7925 (try_combine): Call it when dividing a PARALLEL.
7926 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7927 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7929 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7930 use one of the CLOBBERs instead.
7931 (if_then_else_cond): If comparing against zero, just return thing
7934 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7935 Don't generate shifts and subtract if have conditional arithmetic.
7937 * rtl.h (delete_barrier): New declaration.
7938 * jump.c (jump_optimize): Set up to handle conditional call.
7939 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7940 (delete_barrier): New function.
7942 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7944 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7946 * tree.c (build_type_attribute_variant): Push to obstack of
7947 ttype around type_hash_canon call.
7949 * expr.c (placeholder_list): Move decl to file scope.
7950 (expand_expr): Don't force access to volatile just because its
7952 If ignoring reference operations, just expand the operands.
7953 (expand_expr, case COMPONENT_REF): Propagate
7954 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7955 Refine test for using bitfield operations vs pointer punning.
7956 (expand_expr, case CONVERT_EXPR): If converting to
7957 BLKmode UNION_TYPE from BLKmode, just return inner object.
7958 Use proper mode in store_field call.
7959 Properly set sizes of object to store and total size in store_field
7960 call for convert to union.
7961 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7962 memory (like for ADDR_EXPR). Also, don't put constant in register if
7963 we'll want it in memory.
7964 (readonly_fields_p): New function.
7965 (expand_expr, case INDIRECT_REF): Call it if LHS.
7966 (expand_assignment): Handle a RESULT_DECL where
7967 DECL_RTL is a PARALLEL.
7968 (do_jump, case WITH_RECORD_EXPR): New case.
7969 (get_inner_reference): Always go inside a CONVERT_EXPR
7970 and NOP_EXPR if both modes are the same.
7971 (store_field): Use bitfield operations if size of bitsize is not same
7972 as size of RHS's type.
7973 Check for bitpos not a multiple of alignment in BLKmode case.
7974 Do block move in largest possible alignment.
7975 (store_constructor): Set BITSIZE to -1 for variable size and properly
7976 in case of array of BLKmode.
7977 (expand_expr_unaligned): New function.
7978 (do_compare_and_jump): Call it.
7980 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7981 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7982 does not include 'o'.
7984 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7985 both SET_DEST and SET_SRC reference a virtual register.
7986 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7988 * integrate.c (expand_inline_function): Handle case of setting
7989 virtual stack vars register (from built in setjmp); when parameter
7990 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7991 (subst_constant): Add new parm, MEMONLY.
7992 (expand_inline_function, integrate_parm_decls): Pass new parm.
7993 (integrate_decl_tree): Likewise.
7994 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7995 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7996 (copy_rtx_and_substitute, case SET): Add explicit calls to
7997 copy_rtx_and_substitute for both sides.
7999 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
8001 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
8002 within INDEX_TYPE, instead of before.
8003 (fixup_gotos): Use f->target_rtl, not the next insn,
8004 since latter may be from a later fixup.
8005 (expand_value_return): Correctly convert VAL when promoting function
8006 return; support RETURN_REG being a PARALLEL.
8007 (expand_return): When checking for result in regs and having
8008 cleanup, consider PARALLEL in DECL_RTL as being in regs.
8010 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
8012 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
8013 last_nominal_fname): Mark const.
8014 (struct include_hash: name, nshort, control_macro): Mark
8016 (struct macrodef: symnam): Mark const.
8017 (struct if_stack: fname): Mark const.
8018 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
8019 (IStable): New character-syntax array which encompasses all
8020 the old is_foo arrays.
8021 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
8022 is_space): New macros for interrogating IStable.
8023 (check_macro_name): Kill last argument. All callers changed.
8025 * cppinit.c (initialize_char_syntax): Delete.
8026 (is_idchar, is_idstart, is_hor_space, is_space,
8027 trigraph_table): Delete.
8028 (IStable): New. Initialize with clever macros to avoid
8029 information duplication.
8030 (builtin_array): Table of builtins to get rid of explicit list
8031 in initialize_builtins.
8032 (initialize_builtins): Use builtins_array.
8033 (cpp_start_read): Call init_IStable, and set IStable['$'] if
8034 opts->dollars_in_ident.
8036 * cppexp.c: Change all refs to is_xyz[] arrays to use new
8038 (cpp_parse_expr): Avoid 'format string is not constant'
8039 warning. Use ISGRAPH to identify printable chars.
8040 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
8042 (read_and_prescan): Map trigraphs to chars with open-coded
8043 if-else-if-... sequence, not a lookup table.
8044 * cpphash.c: Change all refs to is_xyz[] arrays to use new
8046 * cpplib.c: Change all refs to is_xyz[] arrays to use new
8047 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
8048 (check_macro_name): Remove ability to report an invalid
8049 assertion name, which is never used.
8050 (do_line): Constify a couple of char *'s.
8051 * cppmain.c (main): Call cpp_cleanup before returning.
8053 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
8055 * ggc.h (struct ggc_statistics): New type.
8056 (ggc_get_size): New function.
8057 (ggc_print_statistics): Likewise.
8058 * ggc-common.c (ggc_stats): New variable.
8059 (ggc_mark_rtx_children): Keep statistics.
8060 (ggc_mark_tree_children): Likewise.
8061 (ggc_print_statistics): New function.
8062 * ggc-page.c (struct globals): Add bytes_mapped field.
8063 (alloc_anon): Update it.
8064 (release_pages): Likewise.
8065 (ggc_get_size): New function.
8066 (ggc_page_print_statistics): New function.
8067 * ggc-simple.c (ggc_get_size): New function.
8069 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
8071 * flow.c (propagate_block): When the last reference to a label
8072 before an ADDR_VEC is deleted because the reference is a dead
8073 store, delete the ADDR_VEC.
8075 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
8077 * resource.c (find_free_register): Don't use the frame pointer
8078 if frame_pointer_needed.
8080 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
8082 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
8083 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
8085 * config/i960/i960.c (i960_va_start): New locals base, num.
8086 Use INDIRECT_REF instead of ARRAY_REF on valist.
8087 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
8089 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
8091 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
8093 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
8095 * tree.def (PLACEHOLDER_EXPR): Update comments.
8097 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8099 * c-common.c (check_format_info): Avoid non-literal format string
8100 warnings when `first_arg_num' is zero.
8102 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8104 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
8106 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8108 * arm.md (casesi_insn): Add a clobber of the condition code
8111 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
8113 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
8114 used by both cc1 and cc1plus.
8116 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
8118 * config/arm/arm.c: Initialise arm_structure_size_boundary to
8119 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
8120 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
8121 to the value 32 if it has not already been defined.
8122 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
8123 Override definition in arm.h with a value of 8.
8125 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
8127 * c-pragma.c (push_alignment): Don't check the return value
8130 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
8132 * sparc.h (ADJUST_COST): Fix thinko.
8134 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
8136 * cccp.c (rescan): Fixed obp pointer handling around call to
8137 check_expand subroutine.
8139 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
8141 * gcse.c (delete_null_pointer_checks): Only record non-null info
8142 for pseudos when examining stores.
8144 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
8145 splitters for these patterns. Use "#" for output templates.
8146 (addsi3_carryin_shift): New pattern.
8148 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
8150 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
8151 of the function return register into a plain REG until
8152 after function inlining is done.
8154 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
8156 * jump.c (jump_optimize_1): If we did cross-jumping, and
8157 the data will matter, rebuild the CFG.
8158 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
8159 not optimizing. Don't run shorten_branches.
8160 * toplev.c (rest_of_compilation): Run shorten_branches after
8163 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
8165 * rtl.h (note_stores): Add additional paramter.
8166 * rtlanal.c (reg_set_p_1): Take additional paramter.
8167 (reg_set_last_1): Likewise.
8168 (reg_set_p): Adjust call to note_stores.
8169 (reg_set_last): Likewise.
8170 (note_stores): Pass data parameter to worker function.
8171 * alias.c (record_set): Take additional parameter.
8172 (init_alias_analysis): Pass it.
8173 * caller-save.c (mark_set_regs): Take additional parameter.
8174 (save_call_clobbered_regs): Pass NULL to note_stores.
8175 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
8177 (record_dead_and_set_regs_1): Likewise.
8178 (reg_dead_at_p_1): Likewise.
8179 (combine_instructions): Adjust calls to note_stores.
8180 (try_combine): Likewise.
8181 (record_dead_insn): Remove.
8182 (record_dead_and_set_regs): Adjust calls to note_stores.
8183 (reg_dead_at_p): Likewise.
8184 * cse.c (invalidate_skipped_set): Take additional parameter.
8185 (cse_check_loop_start): Likewise.
8186 (cse_check_loop_start_value): Remove.
8187 (cse_set_around_loop): Adjust calls to note_stores.
8188 * flow.c (notice_stack_pointer_modification): Take additional
8189 parameter. Remove duplicate declaration.
8190 (record_volatile_insns): Adjust calls to note_stores.
8191 * gcse.c (record_set_info): Take additional parameter.
8192 (record_last_set_info): Likewise.
8193 (invalidate_nonnull_info): Likewise.
8194 (record_set_insn): Remove.
8195 (compute_sets): Adjust calls to note_stores.
8196 (last_set_insn): Remove.
8197 (compute_hash_table): Adjust calls to note_stores.
8198 (insert_insn_end_bb): Likewise.
8199 (delete_null_pointer_checks): Likewise.
8200 * global.c (mark_reg_store): Take additional parameter.
8201 (mark_reg_clobber): Likewise.
8202 (reg_becomes_live): Likewise.
8203 (global_conflicts): Adjust calls to note_stores.
8204 (build_insn_chain): Likewise.
8205 * integrate.c (note_modified_parmregs): Take additional parameter.
8206 (mark_stores): Likewise. Make it static.
8207 (save_for_inline_nocopy): Adjust calls to note_stores.
8208 (try_constants): Likewise.
8209 * integrate.h (mark_stores): Remove declaration.
8210 * jump.c (mark_modified_reg): Take additional parameter.
8211 (thread_jumps): Adjust calls to note_stores.
8212 * local-alloc.c (validate_equiv_mem_from_store): Take additional
8214 (no_equiv): Likewise.
8215 (reg_is_set): Likewise.
8216 (validate_equiv_mem): Adjust calls to note_stores.
8217 (update_equiv_regs): Likewise.
8218 (block_alloc): Likewise.
8219 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
8220 (note_addr_stored): Take additional parameter.
8221 (note_set_pseudo_multiple_uses): Likewise.
8222 (record_initial): Likewise.
8223 (prescan_loop): Adjust calls to note_stores.
8224 (strength_reduce): Likewise.
8225 (check_dbra_loop): Likewise.
8226 * regmove.c (flags_set_1): Take additional paramter.
8227 (mark_flags_life_zones): Adjust calls to note_stores.
8228 * reload1.c (mark_not_eliminable): Take additional parameter.
8229 (forget_old_reloads_1): Likewise.
8230 (reload_cse_invalidate_rtx): Likewise.
8231 (reload_cse_check_clobber): Likewise.
8232 (reload_combine_note_store): Likewise.
8233 (move2add_note_store): Likewise.
8234 (reload): Adjust calls to note_stores.
8235 (reload_as_needed): Likewise.
8236 (emit_reload_insns): Likewise.
8237 (reload_cse_regs_1): Likewise.
8238 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
8239 (reload_combine): Adjust calls to note_stores.
8240 * resource.c (update_live_status): Take additional paramter.
8241 (mark_target_live_regs): Adjust calls to note_stores.
8242 * stupid.c (find_clobbered_regs): Take additional parameter.
8243 (stupid_life_analysis): Adjust calls to note_stores.
8245 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
8247 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
8250 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
8253 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
8254 of the variable arm_structure_size_boundary.
8256 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
8258 * alias.c (init_alias_analysis): Allocate reg_known_value and
8259 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
8261 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
8262 * cse.c (cse_main): Call end_alias_analysis.
8263 * haifa-sched.c (schedule_insns): Likewise.
8264 * local-alloc. (update_equiv_regs): Likewise.
8265 * reload1.c (reload_cse_regs): Likewise.
8267 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8269 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
8270 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
8271 mapping from MASK_FPU.
8273 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
8275 * sparc.md (call): Don't bound structure return size to 0xfff.
8277 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
8279 * resource.c (mark_target_live_regs): Check that the target
8280 insn wasn't created after compute_bb_for_insn.
8282 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
8284 * ggc-page.c (poison_pages): Don't be overzealous.
8286 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
8288 * alias.c: Update comments for ADDRESS.
8289 (nonlocal_reference_p): Look inside the ADDRESS to determine if
8290 it is a local memory reference.
8292 * c-typeck.c (build_function_call): Check that the built-in
8293 function is of class BUILT_IN_NORMAL before trying to recongize
8295 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
8296 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
8298 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
8300 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
8302 (pre_gcse): Likewise.
8303 (hoist_expr_reaches_here_p): Likewise.
8304 (hoist_code): Likewise.
8305 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
8307 (pre_expr_reaches_here_p_work): ... here.
8308 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
8310 (expr_reaches_here_p_work): ... here.
8312 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
8314 * resource.c (find_basic_block): Delete.
8315 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
8316 (init_resource_info): Call compute_bb_for_insn.
8318 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
8320 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
8321 with already adjacent blocks, but no fallthru.
8322 (merge_blocks_move_successor_nojumps): Simplify.
8323 (debug_flow_info): New.
8325 * toplev.c (rest_of_compilation): Open jump1 dump file before
8326 jump and close after, as opposed to just using dump_rtl.
8328 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8330 * reload.h (earlyclobber_operand_p): Declare.
8331 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
8332 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8333 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
8334 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
8336 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8337 Richard Henderson <rth@cygnus.com>
8339 * emit-rtl.c (emit_block_insn_before): New.
8340 (emit_block_insn_after): New.
8341 * basic-block.h: Declare them.
8343 * bitmap.h: Protect from multiple inclusion.
8345 * recog.c (scratch_operand): Handle VOIDmode correctly.
8347 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
8349 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
8350 * function.c (assign_parms): Likewise.
8351 * global.c (global_conflicts): Clarify STACK_REGS commentary.
8353 * reg-stack.c (max_uid): Remove.
8354 (blocks, block_begin, block_end, block_drops_in): Remove.
8355 (block_stack_in, block_out_reg_set, block_number): Remove.
8356 (struct block_info_def, BLOCK_INFO): New.
8357 (enum emit_where): New.
8358 (current_block): New.
8359 (BLOCK_NUM): Remove.
8360 (mark_regs_pat, record_label_references): Remove.
8361 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
8363 (goto_block_pat, print_blocks, dump_stack_info): Remove.
8364 (reg_to_stack): Simplified test for existance of fp code. Use
8365 flow.c code. Call shorten_branches after cross-jump opt.
8366 (check_asm_stack_operands): Renamed from record_asm_reg_life.
8367 Return false if the asm doesn't use stack regs. Don't do life
8368 analysis on the asm.
8369 (emit_pop_insn): Replace function pointer arg `when' with
8370 enum `where'. Update all callers.
8371 (change_stack): Likewise. Update basic block end.
8372 (emit_swap_insn): Use current_block->head to limit reverse search
8373 for start of block. Use emit_block_insn_after.
8374 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
8375 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
8376 structure assignment instead of bcopy.
8378 (convert_regs_entry, convert_regs_exit): New.
8379 (convert_regs_1, convert_regs_2): Split out from convert_regs.
8380 Work on basic blocks and the CFG.
8381 (convert_regs): Use them.
8383 * i386.c (output_fix_trunc): Remove code for DImode input operand
8384 not at top-of-stack.
8385 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
8387 (fix_truncdi_1): Allow any mode scratch.
8389 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
8391 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
8392 * linux.h, netbsd.h, vms.h: Not here.
8394 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
8396 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
8397 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
8398 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
8399 CONDITIONAL_REGISTER_USEAGE): Use them.
8400 * config/mips/mips.c (mips_move_1word,mips_move_2words,
8401 gen_conditional_branch,override_options) : Use them.
8402 * config/mips/mips.md : Use them.
8404 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
8406 * i386.md (zero_extendqihi2): Use SImode register name with andl.
8408 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
8410 * integrate.c (function_cannot_inline_p): Don't allow inlining
8413 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8415 * c-parse.in (cast_expr): Constify.
8417 * cccp.c (special_symbol): Likewise.
8419 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
8421 * dwarf2out.c (base_type_die): Likewise.
8423 * global.c (allocno_compare): Likewise.
8425 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
8427 * regclass.c (fix_register): Likewise.
8429 * rtl.h (fix_register): Likewise.
8431 * stupid.c (stupid_reg_compare): Likewise.
8433 * toplev.c (decode_f_option): Likewise.
8435 * tree.c (build_complex_type): Likewise.
8437 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
8439 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
8441 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8443 * reload.c (find_reloads): Compute mode and nregs fields of all
8445 * reload1.c (calculate_needs_all_insns): Simplify a bit.
8446 (calculate_needs): Use precomputed mode/nregs values.
8447 (allocate_reload_reg): Likewise.
8449 (failed_reload, set_reload_reg): ... new functions.
8450 (choose_reload_regs_init): New function, mostly broken out from...
8451 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
8452 Also lose one #if 0 block.
8454 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
8456 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
8459 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
8461 * tree.h (BLOCK_TYPE_TAGS): Remove.
8462 (BLOCK_END_NOTE): Likewise.
8463 (BLOCK_LIVE_RANGE_FLAG): Likewise.
8464 (BLOCK_LIVE_RANGE_START): Likewise.
8465 (BLOCK_LIVE_RANGE_END): Likewise.
8466 (tree_block): Remove live_range_flag, live_range_var_flag, and
8467 type_tags. Remove end_note, live_range_start, and live_range_end.
8468 (remember_end_note): Remove prototype.
8469 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
8470 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
8472 * ggc-common.c (ggc_mark_tree_children): Don't mark
8473 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
8474 * integrate.c (adjust_copied_decl_tree): Remove.
8475 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
8476 * stmt.c (last_block_end_note): Remove.
8477 (init_stmt): Don't add a GC root for it.
8478 (expand_fixup): Don't set it.
8479 (remember_end_note): Remove.
8480 (expand_end_bindings): Don't set last_block_end_note.
8482 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8484 * reload1.c (reload_reg_free_for_value_p): Show
8485 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
8488 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
8490 * expmed.c (extract_bit_field): Allow for the case of non-integer
8491 objects that are smaller than a word (like SFmode on a 64-bit
8494 * loop.c (basic_induction_var): A non-integer variable which is
8495 being set by a paradoxical subreg is probably not a biv.
8497 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8499 * prefix.c (translate_name) Check for empty prefix string.
8501 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
8503 * Makefile.in (CPP_CROSS_NAME): New variable.
8504 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
8506 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
8507 names of the files to be uninstalled.
8509 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
8511 * collect2.c (IS_DIR_SEPARATOR): Define.
8512 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
8514 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
8517 * haifa-sched.c (add_dependence): Update the true dependency
8518 cache the first time we add a true dependence to the LOG_LINKS chain.
8520 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
8522 * fold-const.c (fold): Fix comment.
8524 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8526 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
8527 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
8528 dbxout_start_new_source_file, dbxout_source_file,
8529 dbxout_source_line, dbxout_finish, dbxout_type_fields,
8530 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
8532 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
8533 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
8534 (dbxout_block): Initialize variable `blocknum'.
8536 * dbxout.h (dbxout_init, dbxout_finish,
8537 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
8538 dbxout_args, dbxout_source_line): Constify a char*.
8540 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
8541 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
8542 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
8543 low_pc_attribute, high_pc_attribute, body_begin_attribute,
8544 body_end_attribute, comp_dir_attribute, sf_names_attribute,
8545 src_info_attribute, mac_info_attribute, producer_attribute,
8546 lookup_filename, generate_macinfo_entry, fundamental_type_code,
8547 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
8548 dwarfout_undef): Constify a char*.
8549 (add_incomplete_type, retry_incomplete_types): Add prototypes.
8551 * dwarfout.h (dwarfout_define, dwarfout_undef,
8552 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
8554 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
8556 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
8557 (MULTILIB_ISA_DEFAULT): New.
8558 (MULTILIB_DEFAULTS): Use it.
8559 * config/mips/mips.c (): Remove the now unnecessary definition
8560 of MIPS_ISA_DEFAULT.
8561 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
8562 unnecessary definition.
8564 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
8566 * arm.md (pic_load_addr): Add constraints to operand 1.
8568 1999-10-25 Bruce Korb <autogen@linuxbox.com>
8570 * fixinc/genfixes: Provide a means for specifying -D options to
8573 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
8575 * arm.c (arm_override_options): Correct initialization of
8576 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
8577 arm_is_strong, and arm_is_6_or_7.
8579 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
8580 (note_set_pseudo_multiple_uses): New function.
8581 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
8582 if a pseudo set in the loop exit is used elsewhere.
8584 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
8586 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
8588 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
8590 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
8591 a single load-address pattern.
8593 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
8595 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
8596 depending on whether or not line-number notes are present.
8598 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8600 * cccp.c (progname, file_buf, default_include, include_file,
8601 macrodef, definition, hashval, wchar_type, user_label_prefix,
8602 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
8603 expand_to_temp_buffer, is_system_include, base_name,
8604 absolute_filename, read_name_map, open_include_file,
8605 record_control_macro, check_precompiled, check_preconditions,
8606 pcfinclude, pass_thru_directive, create_definition,
8607 check_macro_name, comp_def_part, collect_expansion,
8608 check_assertion, read_token_list, assertion_install,
8609 assertion_lookup, eval_if_expression, conditional_skip,
8610 validate_else, skip_quoted_string, quote_string, macarg1,
8611 error_from_errno, install, lookup, hashf, dump_defn_1,
8612 perror_with_name, pfatal_with_name, main, trigraph_pcp,
8613 check_white_space, rescan, handle_directive, monthnames,
8614 special_symbol, do_include, remap_include_file, write_output,
8615 arglist, do_assert, do_unassert, do_line, do_error, do_once,
8616 do_ident, do_sccs, do_xifdef, skip_if_group,
8617 output_line_directive, macroexpand, macarg, change_newlines,
8618 initialize_builtins, make_definition): Constify a char*.
8620 * pcp.h (stringdef): Likewise.
8622 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
8624 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
8627 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
8628 Richard Henderson <rth@cygnus.com>
8630 * alias.c: Include ggc.h.
8631 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
8632 (record_set): Verify enough room in reg_base_value.
8633 (init_alias_analysis): Allocate reg_base_value with xcalloc.
8634 Register it as a GC root.
8635 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
8636 * Makefile.in (alias.o): Depend on ggc.h.
8638 * unroll.c (unroll_loop): Verify the insn before a barrier
8639 is a JUMP_INSN before checking JUMP_LABEL.
8641 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8643 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
8644 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
8645 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
8646 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
8647 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
8648 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
8650 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8652 * output.h (ctors_section, dtors_section, bss_section): Prototype.
8654 * alpha/alpha-interix.h (text_section): Delete prototype.
8655 * alpha/elf.h (text_section): Likewise.
8656 * arm/linux-elf.h (text_section): Likewise.
8657 * arm/linux-telf.h (text_section): Likewise.
8658 * c4x/c4x.h (text_section): Likewise.
8659 * dsp16xx/dsp16xx.h (bss_section): Likewise.
8660 * elfos.h (text_section): Likewise.
8661 * i386/aix386ng.h (text_section): Likewise.
8662 * i386/i386-interix.h (text_section): Likewise.
8663 * i386/sco5.h (text_section): Likewise.
8664 * i386/svr3gas.h (text_section): Likewise.
8665 * nextstep.h (text_section): Likewise.
8666 * psos.h (text_section): Likewise.
8667 * ptx4.h (text_section): Likewise.
8668 * svr3.h (text_section): Likewise.
8669 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
8671 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8673 * final.c (peephole): Delete prototype.
8675 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
8676 (pre_insert_copies): Remove unused variable `bb'.
8678 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
8681 * output.h (peephole): Add prototype.
8683 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8685 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8688 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8690 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8691 for inlined declarations.
8693 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8695 * arm.c (logical_binary_operator): New fucntion.
8696 * arm.h (logical_binary_operator): Declare it.
8697 (PREDICATE_CODES): Handle logical_binary_operator.
8698 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8699 output constraints. Add appropriate splitters.
8700 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8701 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8702 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8704 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8706 * genoutput.c (struct operand_data): New elt eliminable.
8707 (output_operand_data): Write it.
8708 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8709 (compare_operands): Take it into account.
8710 * recog.h (struct insn_operand_data): New elt eliminable.
8711 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8713 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8714 (eliminate_regs): Move code that detects changes to elimination
8715 target regs into new function elimination_effects.
8716 Delete one #if 0 block.
8717 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8718 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8719 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8720 Only call eliminate_regs for real operands of the insn, not for parts
8721 of its structure or parts matched by things like match_operator.
8722 Use elimination_effects and check_eliminable_occurrences. Use
8723 copy_insn to duplicate the pattern when not in the final pass.
8725 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8727 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8730 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8732 * fixinc/README: document the "mach" machine matching test
8733 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8734 * fixinc/fixtests.c: Implement the #else/#endif label test
8735 * fixinc/inclhack.def: utilize these tests and fixes
8736 * fixinc/inclhack.sh: regen
8737 * fixinc/fixincl.x: regen
8738 * fixinc/fixincl.sh: regen
8740 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8742 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8745 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8747 * gcc.1: Document exit codes.
8749 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8751 * calls.c: Include tm_p.h later, so everything we need is defined.
8753 * function.c: Likewise.
8755 * except.c: Include tm_p.h.
8757 * sparc.c: Likewise.
8758 (dwarf2out_cfi_label): Don't prototype.
8759 (check_return_regs, epilogue_renumber,
8760 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8761 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8762 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8763 ultra_schedule_insn): Add static prototype.
8764 (data_segment_operand, text_segment_operand): Call itself with the
8765 proper number of arguments.
8766 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8768 * sparc.h: Move all declarations to sparc-protos.h.
8769 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8772 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8774 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8776 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8777 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8778 ASM_OUTPUT_ASCII): Constify a char*.
8780 * sparc-protos.h: New file for sparc prototypes.
8782 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8784 * function.c (record_insns, contains): Always declare and define.
8785 (record_insns): Mark with ATTRIBUTE_UNUSED.
8787 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8789 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8790 to .section when outputting a .bss section to deal with multiple
8791 .bss input sections (as happens with -fdata-sections)
8792 Also output %progbits, not @progbits so the assembler doesn't treat as
8794 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8796 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8797 thumb parts even when building with non-thumb CPUs, by forcing
8800 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8802 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8803 (movdf_const_intreg_sp64): Similarly.
8805 * local-alloc.c (update_equiv_regs): Check the correct insn
8806 for pre-existing REG_EQUIV notes.
8808 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8810 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8811 block reached by a branch if we're not going to actually process
8814 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8816 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8817 a local extern function declaration.
8819 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8821 * i386.c (ix86_expand_prologue): Properly wrap USE around
8822 reg for CALL_INSN_FUNCTION_USAGE.
8824 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8826 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8827 move between GP_REGs.
8829 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8831 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8832 the mode size when finding out if an offset is legal.
8834 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8836 * basic-block.h (PROP_*): Move constants from ...
8838 (compute_bb_for_insn): Free the array before reallocating.
8839 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8840 (allocate_reg_life_data): Reset all reg variables collected by
8842 (get_block_head_tail): Don't convert from bb to block.
8843 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8844 (find_insn_reg_weight): Take block not bb.
8845 (schedule_block): Don't set block num for moved insns.
8846 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8847 (schedule_insns): Do it here instead.
8848 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8849 before update_life_info.
8850 * recog.c (split_all_insns, peephole2_optimize): Update for
8851 new arg to update_life_info.
8852 * rtlanal.c (remove_note): Cope with NULL note.
8853 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8856 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8858 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8860 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8861 block records so that merge_blocks_nomove will clean up correctly.
8862 (split_edge): Handle casesi insns.
8864 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8866 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8868 * pa.md (call, call_value): Do not emit a blockage after restoring
8871 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8873 * c-typeck.c (c_expand_asm_operands): Fix typo.
8875 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8877 * arm.c (fpu_rhs_operand): Verify modes.
8878 (fpu_add_operand): Likewise.
8879 (di_operand): Likewise.
8880 (soft_df_operand): Likewise.
8882 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8884 * arm.c (arm_return_in_memory): APCS rules state that the elements
8885 of a structure returned in a register must be 'integer-like'.
8887 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8889 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8890 in the source tree when the generated targets are out of date
8891 * fixinc/genfixes: Alter it to run individual fixes for make.
8892 * fixinc/README: rewrite
8893 * fixinc/inclhack.def: moved initial comments to README
8895 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8897 * toplev.c (main): Do not generate an error message if an
8898 unrecognised command line switch is recognisable by another
8899 language. If extra_warnings are enabled, then generate a
8900 warning message instead.
8902 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8904 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8905 (insert_pack_attributes): Delete prototype.
8907 * c-pragma.c (default_alignment): New static variable.
8908 (push_alignment): Initialize to current effective alignment.
8909 (pop_alignment): Use to set new alignment.
8910 (insert_pack_attributes): Delete function.
8911 (handle_pragma_token): Set default_alignment as well each time
8912 a #pragma pack(<n>) is encountered.
8914 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8916 * reg-stack.c (stack_result): Aggregates are not returned in
8919 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8921 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8923 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8925 * basic-block.h (set_block_num): Declare.
8926 * flow.c (update_life_info): Don't call compute_bb_for_insn
8927 or free_basic_block_vars.
8928 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8929 (insn_orig_block): Remove.
8930 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8931 (schedule_block): Keep BLOCK_NUM up-to-date.
8932 (schedule_insns): Use compute_bb_for_insn.
8933 * recog.c (split_all_insns): Likewise.
8934 (peephole2_optimize): Likewise.
8936 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8938 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8939 if the pic register is used.
8941 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8943 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8944 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8945 if that tests TREE_PERMANENT.
8947 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8949 * cse.c (invalidate_for_call): Do not remove memory references from
8950 the table here. It's handled elsewhere.
8952 * haifa-sched.c (add_dependence): Protect references to the
8953 true dependency cache with #ifdef INSN_SCHEDULING.
8954 (remove_dependence): Similarly.
8956 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8957 to the cfg code that this is a return instruction.
8958 * mn10300.md (return_internal): Similarly.
8960 * combine.c (get_last_value): If the last set of a register
8961 is after subst_low_cuid, then we can not use it to determine
8962 the register's last value.
8964 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8966 * Makefile.in: Back out previous change.
8968 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8970 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8972 * haifa-sched.c (add_dependence): Only check/update the cache
8974 (remove_dependence): Likewise.
8975 (schedule_insns): Only create the true_dependency_cache if the
8976 average number of instructions in a basic block is very large.
8978 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8980 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8981 (ggc-simple.o): Likewise.
8982 (ggc-page.o): Likewise.
8984 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8986 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8987 Prototype for exported functions.
8988 (pre_lcm, pre_rev_lcm): Remove prototypes.
8989 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8990 (compute_available): Move to lcm.c, and change parameter order.
8991 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8992 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8993 (gcse_main): No longer call compute_preds_succs. Rebuild the
8994 set table after reach pre pass.
8995 (pre_insert_map, pre_delete_map, edge_list): New.
8996 (alloc_pre_mem): Allocate edge vectors.
8997 (free_pre_mem): Delete edge vectors.
8998 (compute_pre_data): Call new edge based lcm routines.
8999 (process_insert_insn): New function.
9000 (insert_insn_end_bb): Use it.
9001 (pre_edge_insert): New function.
9002 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
9004 (pre_insert_copies): Revamp using new edge based lcm outputs.
9005 (pre_delete): Likewise.
9006 (one_pre_gcse_pass): Insert & remove fake edges to the exit
9008 (compute_code_hoist_vbeinout): New new edge based routines.
9009 * lcm.c: Remove all the old LCM functions. Replace with new ones
9010 that work with the new cfg datastructures and work with edges
9013 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9015 * reload.h (struct reload): Add new fields "mode" and "nregs".
9016 * reload1.c: Change all occurrences of reload_mode and reload_nregs
9017 to reference the "mode" and "nregs" field within struct reload.
9019 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
9021 * haifa-sched.c (true_dependency_cache): New.
9022 (add_dependence): Use the true dependency cache to avoid expensive
9023 walks down the LOG_LINKS dependency list. Add entries to the
9025 (remove_dependence): Remove entries from the true dependency cache
9027 (schedule_insns): Allocate and initialize and free the true
9030 * haifa-sched.c (schedule_insns): Do not remove inter-block
9031 dependencies anymore.
9033 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
9035 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
9036 * i386/t-winnt: Likewise.
9038 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
9040 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
9042 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
9044 * Makefile.in (LANGUAGES): Omit "proto".
9045 (clean): Remove stale comment about removing unprotoize.c.
9047 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9049 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
9050 using arithmetic on void pointers.
9052 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
9054 * haifa-sched.c (compute_block_forward_dependencies): Only check
9055 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
9057 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
9059 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
9060 (expr_equiv_p): Reject memories with different alias sets.
9062 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
9064 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
9065 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
9066 (f_options): Add "bounded-pointers" and "bounds-check" entries.
9067 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
9068 (lang_init): Set default for flag_bounds_check if still "unspecified".
9070 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9072 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
9074 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9076 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
9079 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9081 * config/c4x/c4x.md (*db_noclobber,
9082 *decrement_and_branch_until_zero_noclobber): New patterns and
9083 associated splitters.
9085 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9087 * config/c4x/c4x.md (parallel instruction patterns): Rework
9088 constraints to keep reload happy.
9090 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9092 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
9093 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
9094 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
9095 Add new patterns and associated post-reload splitters.
9097 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9099 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
9101 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9103 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
9105 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
9107 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9109 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
9112 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
9114 * pa.c (move_operand): Rely on memory_address_p to determine the
9115 validity of non-indexed memory addresses.
9116 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
9117 operand in DFmode and SFmode when generating PA2.0 code.
9119 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
9121 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
9123 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
9125 * mips.c (function_prologue): Fix argument types.
9126 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
9127 (casesi_internal): Write to the scratch register.
9129 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
9131 * cppexp.c (cpp_parse_escape): Make static. Change second arg
9133 (parse_charconst): Delete unnecessary cast when calling
9135 (cpplib.h): Kill prototype of cpp_parse_escape.
9137 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
9139 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
9140 * unroll.c (unroll_loop): Cast return value of alloca.
9141 * i370/i370.c: Include function.h and toplev.h.
9142 (i370_label_scan): Remove c++ commented abort.
9143 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
9144 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
9145 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
9146 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
9148 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
9150 * config/t-freebsd: Do not override USER_H.
9151 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
9153 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
9154 Mumit Khan <khan@xraylith.wisc.edu>
9156 * c-parse.in (component_decl): Support anonymous struct/union.
9158 * c-parse.y: Regenerate.
9159 * c-parse.c: Likewise.
9160 * objc/objc-parse.y: Likewise.
9161 * objc/objc-parse.c: Likewise.
9162 * c-decl.c (finish_struct): Don't sort the fields.
9163 (field_decl_cmp): Delete unused function.
9165 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
9167 * sparc.md (movsf_const_intreg): Revert last constraint change.
9168 (movdf_const_intreg_sp32): Likewise.
9170 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
9172 * cse.c: Include hashtab.h instead of splay-tree.h
9173 (struct cse_reg_info): No longer use variant union. Add new
9174 field "regno". All references changed to avoid union.
9175 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
9176 (free_cse_reg_info): Remove.
9177 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
9178 (get_cse_reg_info): Revamp to use expandable hash tables instead
9179 of splay trees. Initialize new fields in cse_reg_info structure.
9180 (new_basic_block): Similarly.
9182 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
9184 * genrecog.c (message_with_line): Prototype.
9185 (validate_pattern): Pass along the set for the dest, not a flag.
9186 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
9187 Check for PC/CC0 as sources.
9188 (nodes_identical): Check for children position match before
9189 allowing the combination.
9191 * rtl.c (read_rtx): Track line number across \\\n.
9193 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
9195 * mips.h (SPECIAL_MODE_PREDICATES): New.
9196 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
9197 (movdi+1, movsi+1): Add output reload constraint.
9198 (casesi_internal): Likewise. Fix commentary.
9199 (return_internal): Use pmode_register_operand.
9201 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
9203 * 1750a.md (movstrqi): Add missing output reload constraint.
9204 (call_value): Likewise.
9205 * a29k.md (cpxxx patterns): Add missing match_operator mode.
9206 (jmpfdec): Add missing inout reload constraint.
9207 * elxsi.md (addsi patterns): Add missing output reload constraint.
9208 (move from sp): Use @ alternates.
9209 (call_value): No constraint on output.
9210 * fr30.md (movsi_pop): Add missing output reload constraint.
9211 (movsf_constant_store): Likewise.
9212 (splits): Remove constraints.
9213 (subsi3): Add missing mode.
9214 * i370.md (cmpstrsi+1): Add missing output reload constraint.
9215 (call_value): Likewise.
9216 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
9217 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
9218 * m32r.md (movsicc_internal): Add output reload constraint.
9219 (movstrsi_internal): Add inout reload constraints.
9220 * m88k.h (reg_names): Don't declare.
9221 (SPECIAL_MODE_PREDICATES): New.
9222 * m88k.md (*): Use register_operand not reg_or_0_operand
9224 * mn10200.h (PREDICATE_CODES): New.
9225 * ns32k.md (ffs pattern): Add output reload constraint.
9226 * pdp11.md (sob pattern): Add inout reload constraint.
9227 * sh.md (splits): Remove constraints.
9228 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
9229 * v850.md (pattern_is_ok_for_epilogue): Likewise.
9230 * vax.md (jgequ pattern): Add inout reload constraint.
9232 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
9234 * configure.in (djgpp): Revert previous patch.
9235 * configure: Rebuit.
9236 * config/i386/djgpp.h: Revert previous patch.
9238 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
9240 * fixinc/inclhack.def: Restore patch lost during last merge of
9241 "no_bogosity" branch.
9242 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
9244 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9246 * fixincludes: Add a HPUX 11 fix for inttypes.h.
9247 * fixinc/inclhack.def: Same.
9248 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
9250 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
9252 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
9253 as the base of a PLUS.
9255 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9257 * config/c4x/c4x.md: Define mode for remaining unspec operators.
9258 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
9260 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
9262 * pa.md (post_stw+1): Use pmode_register_operand.
9263 (dcacheflush, icacheflush): Likewise.
9265 * i386.md (movstricthi_1): Allow r/r.
9267 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
9269 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
9270 to (not (and (arg0) (arg1))). Similary for and.
9272 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
9273 fallthrough to associate code.
9274 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
9277 * combine.c (simplify_logical): Convert XOR to IOR if operands have
9278 no bits in common; remove XOR to ROTATE conversion.
9280 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9282 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
9284 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9286 * config/c4x/c4x.c (dst_operand): New.
9287 (PREDICATE_CODES): Update.
9288 * config/c4x/c4x.h (dst_operand): Declare it.
9289 * config/c4x/c4x.md: Define mode for each unspec usage.
9290 (move patterns): Use dst_operand predicate instead of src_operand.
9291 (movqi_update, movqf_update): Delete.
9293 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
9295 * recog.c (pmode_register_operand): New.
9296 * recog.h: Declare it.
9297 * genrecog.c (pred_codes): Likewise.
9298 (special_mode_pred_table): Likewise.
9299 (validate_pattern): Don't warn no mode for address_operand.
9301 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
9302 if the operand is not insn-like.
9304 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
9305 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
9307 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
9309 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
9311 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
9312 instead of general_operand in a SET_DEST. Use const_double_operand
9313 instead of an explicit test against CONST_DOUBLE.
9314 (movsf_const_lo): Add missing register mode.
9315 (goto_handler_and_restore): Add auxiliary test for Pmode.
9316 (flush): Adjust to use address_operand.
9317 (return_sf_no_fpu): Add missing output constraint.
9319 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
9321 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
9322 for call return value.
9323 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
9325 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
9327 * toplev.c (main): Only warn about options for other languages.
9328 * collect2.c (main): Pass -w to sub-gcc.
9330 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
9332 * flow.c (propagate_block): Add call-clobbered registers to
9335 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
9336 zapping mem_set_list.
9337 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
9338 (mark_set_1, mark_used_regs): Likewise.
9340 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
9342 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
9344 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9346 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
9347 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
9348 options. Also add a new item "C-only Warning Options" to the
9351 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
9353 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
9354 from multiple calls.
9356 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
9358 * i386.md (call value patterns): Move to the end of the file.
9359 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
9361 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
9363 * configure.in (djgpp configuration): Define extra_objects..
9364 * configure: Rebuilt.
9365 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
9366 (DTORS_SECTION_ASM_OP): Define.
9367 (INIT_SECTION_ASM_OP): Define.
9368 (FINI_SECTION_ASM_OP): Define.
9369 (DATA_SECTION_ASM_OP): Define.
9370 (TEXT_SECTION_ASM_OP): Define.
9371 (EH_FRAME_SECTION_ASM_OP): Define.
9372 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
9373 (STARTFILE_SPEC): Add crtbegin.o.
9374 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
9375 to here from LINK_COMMAND_SPEC.
9376 (DO_GLOBAL_CTORS_BODY): Define.
9377 (CRTSTUFF_USE_FINI_SECTION): Define
9378 (HAS_INIT_SECTION): Delete.
9380 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
9382 * Makefile.in (all.cross): Depend on xcpp$(exeext).
9384 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
9386 * pa.h (PREDICATE_CODES): New.
9388 * genrecog.c (validate_pattern): Condense the destination
9391 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
9393 * alpha.md (call-1): Supply missing mode for operator.
9394 (*): Add missing output reload constraints. Remove constraints
9397 * i386.h (SPECIAL_MODE_PREDICATES): New.
9398 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
9399 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
9400 (addsi_lea_3): Add missing mode for op 3.
9401 (prologue_set_got, prologue_get_pc): Add missing modes.
9402 (*) Add missing output reload constraints.
9404 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
9406 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
9407 check for member bit-size overflow and use var_size if it occurs.
9408 (layout_record): Use bitsize_int() to define the type size in bits.
9409 Likewise for computation and assignment to DECL_FIELD_BITPOS.
9410 (layout_decl): Likewise when assigning to DECL_SIZE.
9412 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
9414 * genrecog.c (validate_pattern): Typo last change. Verify
9415 that output operands have output reloads.
9417 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
9419 * genrecog.c (special_mode_pred_table): New.
9420 (NUM_SPECIAL_MODE_PREDS): New.
9421 (find_operand): New.
9422 (validate_pattern): New argument `insn'. Warn for assignment to
9423 any predicate accepting non-lvalues. Conditionaly warn for
9424 match_operand without a mode. Try much harder to match source
9425 and destination modes on a set.
9426 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
9428 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
9430 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
9432 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
9434 * combine.c (simplify_logical): Recognize xor pattern that encodes
9437 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9439 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
9442 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
9444 * ggc-page.c (MAP_FAILED): Provide default.
9446 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
9448 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
9449 * sparc.h (PREDICATE_CODES): Update.
9451 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
9453 * alpha.c (some_ni_operand): New.
9454 * alpha-protos.h: Declare it.
9455 * alpha.h (PREDICATE_CODES): Update.
9456 * alpha.md (sXaddq reload insns): Use some_ni_operand
9457 for SET_DEST instead of some_operand.
9459 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
9460 Jim Wilson <wilson@cygnus.com>
9462 * genrecog.c (maybe_both_true_2): Don't compare modes of
9464 (process_tree): Elide peephole2_insns. Invoke simplify_tests
9465 after find_afterward.
9466 (debug_decision_1): Dump next and afterward codes.
9468 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
9470 * rtl.c (dump_and_abort): Remove.
9471 (fatal_with_file_and_line): New.
9472 (fatal_expected_char): New.
9473 (read_rtx_lineno, read_rtx_filename): New.
9474 (read_skip_spaces): Track line number.
9475 (read_name): Use fatal_with_file_and_line.
9476 (read_rtx): Use fatal_expected_char. Track line number.
9477 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
9479 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
9480 if it isn't a CODE_LABEL.
9482 * genattr.c (main): Set read_rtx_filename.
9483 * genattrtab.c (main): Likewise.
9484 * gencodes.c (main): Likewise.
9485 * genconfig.c (main): Likewise.
9486 * genemit.c (main): Likewise.
9487 * genextract.c (main): Likewise.
9488 * genflags.c (main): Likewise.
9489 * genopinit.c (main): Likewise.
9490 * genoutput.c (main): Likewise.
9491 * genpeep.c (main): Likewise.
9493 * genrecog.c (decision_test.u.insn): Add `lineno'.
9494 (pattern_lineno, error_count): New variables.
9495 (message_with_line): New.
9496 (add_to_sequence): Break out checking code to ...
9497 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
9498 (merge_insn): Use message_with_line.
9499 (make_insn_sequence): Use validate_pattern. Record insn lineno.
9500 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
9502 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9504 * expr.c (store_constructor): Clear union if constructor is empty.
9506 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
9508 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
9509 Add !endian checks. Change %{...} to %(...).
9511 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
9513 * i386.md (*addsi3_cc): Renamed from addcsi3.
9514 (*addsi3_carry): Renamed from addxsi3.
9515 (*subsi3_cc): Renamed from subcsi3.
9516 (*subsi3_carry): Renamed from subxsi3.
9517 (*xorqi_cc_1): Renamed from xorcqi_1.
9518 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
9519 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
9521 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
9523 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
9524 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
9526 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
9528 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
9529 climb up the chain of insns.
9531 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
9533 * genrecog.c (write_subroutine): Careful for null trees.
9534 (process_tree): Don't elide empty functions.
9536 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
9538 * Makefile.in (genrtl.o): Depend on ggc.h.
9539 * configure.in (valloc): Probe for it.
9540 (with-gc): Use ggc-page if valloc present.
9541 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
9542 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
9543 (ggc_alloc_string): Moved from ggc-page.c.
9544 * ggc-none.c (ggc_alloc_obj): New.
9545 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
9546 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
9547 (struct globals): Likewise for dev_zero_fd.
9548 (init_ggc): Likewise for it's initialization.
9549 (ggc_allocated_p): Move careful dereference from ...
9550 (ggc_lookup_page_table): ... here. Delete.
9551 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
9552 (alloc_anon): Use valloc if no mmap.
9553 (release_pages): Use free if using valloc.
9554 (ggc_alloc_obj): Renamed from alloc_obj.
9555 (ggc_set_mark): Renamed from mark_obj.
9556 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
9557 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
9558 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
9559 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
9560 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
9561 (ggc_collect): Use fp printing instead of our own rounding.
9562 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
9563 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
9564 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
9565 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
9566 (struct ggc_string, struct ggc_any): Delete.
9567 (offsetof): Provide default definition.
9568 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
9570 (struct ggc_mem): New, from corpse of ggc_any.
9571 (struct ggc_status): Delete.
9572 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
9573 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
9574 (n_strings_collected, n_anys_collected): Delete.
9575 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
9576 (ggc_alloc_string, ggc_alloc): Delete.
9577 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
9578 (ggc_free_string, ggc_free_any): Delete.
9579 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
9580 (ggc_compare_addresses, ggc_mark_string): Delete.
9581 (ggc_mark_string_if_gcable, ggc_mark): Delete.
9582 (search_data): Delete.
9583 (struct globals): New.
9584 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
9585 (tree_insert, tree_lookup): New.
9586 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
9587 (clear_marks, sweep_objs): New.
9588 (ggc_collect): Gut. Use clear_marks, sweep_objs.
9589 (init_ggc): Set allocated_last_gc.
9590 (ggc_push_context): Gut. Use G.context.
9591 (ggc_pop_context): Likewise.
9592 (ggc_pop_context_1): New.
9593 (debug_ggc_tree): New.
9594 (debug_ggc_balance, tally_leaves): New.
9595 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
9596 (ggc_mark_string_if_gcable): Remove decl.
9597 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
9598 (ggc_mark_rtvec_children): New.
9599 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
9600 (ggc_mark_if_gcable): New decl.
9601 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
9602 (ggc_alloc_tree, ggc_alloc): Likewise.
9603 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
9604 (ggc_alloc_obj): New decl.
9605 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
9606 (ggc_alloc_tree, ggc_alloc): Likewise.
9607 (ggc_set_mark): New decl.
9608 * rtl.h (struct rtx_def): Remove gc_mark.
9609 (struct rtvec_def): Likewise.
9610 * tree.h (struct tree_common): Likewise.
9612 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
9614 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
9615 float_format and thread_file definitions.
9616 * configure: Rebuilt.
9618 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
9620 * extend.texi (Function Names): Document types of function names.
9622 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9624 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9625 an earlyclobbered output conflict with RELOAD_INPUT reloads.
9627 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9629 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
9631 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9633 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
9635 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
9637 * collect2.c (main): Do prelimnary link on AIX if rflag.
9639 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9641 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
9642 __CTOR_LIST__ in opposite order, which is the correct order for sorted
9644 (__do_global_dtors): similarly for __DTOR_LIST__.
9646 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9647 Diego Novillo <dnovillo@cygnus.com>
9649 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
9652 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
9654 * fixincl/*: Merged "no_bogosity" branch
9655 * fixincl/fixlib.h: protect against doubly defining t_bool
9656 * fixincl/server.h: protect against doubly defining t_bool
9658 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
9660 * genoutput.c: Include toplev.h.
9662 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
9664 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9666 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
9667 * configure: Regenerate.
9669 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9671 * gcse.c (delete_null_pointer_checks): Returns void.
9673 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9675 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
9676 * emit-rtl.c (copy_insn_1): Likewise.
9678 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9680 * config/mips/mips.c (mips_build_va_list): Correct
9681 TREE_CHAIN setting when hard-float.
9682 (mips_va_start): Use corrected setting.
9683 (mips_va_arg): Likewise. Also pass a tree to build of
9684 POSTINCREMENT_EXPR rather than a naked 'int'.
9686 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9688 * ggc.h (ggc_push_context): Fix comment.
9689 (ggc_pop_context): Likewise.
9690 (mark_string_if_gcable): Likewise.
9691 * ggc-common.c (ggc_mark_rtx_children): Use
9692 ggc_mark_string_if_gcable.
9693 * ggc-page.c (ggc_lookup_page_table): New function.
9694 (ggc_allocated_p): Likewise.
9695 (mark_obj): Fix formatting.
9696 (ggc_mark_string_if_gcable): New function.
9697 * ggc-simple.c (ggc_allocated_strings): New variable.
9698 (ggc_strings_used): Likewise.
9699 (ggc_compare_addresses): New function.
9700 (ggc_pop_context): Pop the `any' memory too.
9701 (ggc_mark_string_if_gcable): New function.
9702 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9704 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9706 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9707 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9708 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9711 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9713 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9714 (sched_reg_live_length, sched_reg_basic_block): Delete.
9715 (current_block_num, bb_live_regs, old_live_regs): Delete.
9716 (dead_notes, struct sometimes): Delete.
9717 (sched_note_set, birthing_insn_p): Delete.
9718 (adjust_priority): Gut useless reg lifetime code.
9719 (create_reg_dead_note, attach_deaths): Delete.
9720 (attach_deaths_insn, new_sometimes_live): Delete.
9721 (finish_sometimes_live): Delete.
9722 (find_pre_sched_live, find_post_sched_live): Delete.
9723 (update_reg_usage): Delete.
9724 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9725 (schedule_insns): Delete reg lifetime code.
9726 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9727 (unlink_other_notes): Adjust REG_NOTE commentary.
9728 (reemit_notes): Use REG_SAVE_NOTE.
9729 (schedule_block): Likewise.
9730 (schedule_region): Allocate bitmap of blocks in region. Use
9731 count_or_remove_death_notes. Use update_life_info.
9733 * rtl.h (REG_SAVE_NOTE): New.
9734 * rtl.c (reg_note_name): Update.
9736 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9738 * combine.c (refresh_blocks, need_refresh): New.
9739 (combine_instructions): Allocate refresh_blocks. Invoke
9740 update_life_info if needed.
9741 (distribute_notes): Mark refresh_blocks instead of installing
9743 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9744 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9746 * Makefile.in (recog.o): Depend on basic-block.h.
9748 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9750 * genrecog.c (add_to_sequence): Thinko last change: delete
9751 shadowing allow_const_int variable.
9753 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9755 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9756 __GNUC__ and __GNUC_MINOR__.
9758 * gansidecl.h: Likewise.
9764 * toplev.h: Likewise.
9770 * varray.c: Likewise.
9772 * varray.h: Likewise.
9774 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9776 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9777 use one before a jump table.
9779 * rtl.def (ADDRESS): Change documentation to match reality.
9780 * md.texi: Don't document it.
9781 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9784 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9786 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9788 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9789 known predicate block; default allow_const_int true.
9790 (debug_decision_list): New.
9792 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9794 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9796 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9798 * gcse.c (gcse_main): Avoid global optimizations if we have a
9799 large number of basic blocks and the ratio of edges to blocks
9801 (delete_null_pointer_checks): Likewise.
9803 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9805 * c-common.c (check_format_info): Warn if format string isn't a
9808 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9810 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9811 * configure: regenerate
9813 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9815 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9816 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9817 (peepholes): Re-enable.
9819 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9821 * Makefile.in (flow.o): Depend on TREE_H.
9822 * basic-block.h (REG_SET_EQUAL_P): New.
9825 (free_regset_vector): Remove declaration.
9826 (flow_delete_insn_chain): Declare.
9827 (enum update_life_extent): New.
9828 (update_life_info, count_or_remove_death_notes): Declare.
9829 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9830 Verify register live at bb->global_live_at_start before adding USE.
9831 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9832 (CLEAN_ALLOCA): New.
9834 (PROP_*): New flags.
9835 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9836 (clear_edges): Zero n_edges.
9837 (make_edge): Increment n_edges.
9838 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9839 (flow_delete_insn_chain): Export.
9840 (delete_block): Decrement n_edges.
9841 (merge_blocks_nomove): Likewise.
9842 (life_analysis): Give life_analysis_1 PROP flags.
9843 (verify_wide_reg_1, verify_wide_reg): New.
9844 (verify_local_live_at_start): New.
9845 (update_life_info): Rewrite to call into propogate_block.
9847 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9848 always mark stack pointer. Conditionally mark PIC register.
9849 After reload, mark call-saved registers, return regsiters.
9850 (life_analysis_1): Accept PROP flags not remove_dead_code.
9851 Call mark_regs_live_at_end before zeroing regs_ever_live.
9852 Use calculate_global_regs_live. Copy global_live_at_end before
9853 calling final propagate_block. Zero reg_next_use on exit.
9854 (calculate_global_regs_live): New.
9855 (allocate_bb_life_data): Don't allocate bb->local_set.
9856 (init_regset_vector, free_regset_vector): Remove.
9857 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9858 Test flags before every operation. Warn if prologue/epilogue insn
9859 would have been deleted.
9860 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9861 Use alloc_EXPR_LIST.
9862 (mark_used_regs): Accept and use FLAGS, not FINAL.
9863 Remove special handling for RETURN.
9864 (try_pre_increment): Use alloc_EXPR_LIST.
9865 (dump_flow_info): Dump n_edges.
9866 (unlink_insn_chain, split_hard_reg_notes): Remove.
9867 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9868 (find_insn_with_note, new_insn_dead_notes): Remove.
9869 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9870 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9871 (replace_insns): Remove.
9872 (count_or_remove_death_notes): New.
9873 (verify_flow_info): Abort on error after all checks.
9874 (remove_edge): Decrement n_edges.
9875 (remove_fake_edges): Tweek format.
9876 * haifa-sched.c (schedule_insns): Use split_all_insns.
9877 * output.h (update_life_info): Remove declaration.
9878 * recog.c (split_all_insns): From the corpse of split_block_insns,
9879 do the whole function block by block. Use update_life_info.
9880 (recog_last_allowed_insn): New.
9881 (recog_next_insn): Mind it.
9882 (peephole2_optimize): Set it. Walk backwards through blocks.
9883 Use update_life_info.
9884 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9885 (split_all_insns): Declare.
9886 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9887 Use split_all_insns.
9889 * i386.md (or -1 peep2s): Disable.
9891 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9893 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9894 a single pattern. Scrap the 'd' versions as unnecessary.
9896 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9897 tablejump_mips162,tablejump_internal4): The operands to a
9898 label_ref must be VOIDmode.
9900 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9902 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9904 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9906 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9908 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9910 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9911 cache every function if ggc_p.
9913 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9915 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9916 instead of copy_rtx. Accept sequences that contain asm statements.
9917 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9918 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9919 orig_asm_operands_vector, copy_asm_operands_vector,
9920 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9922 * rtl.h (copy_insn, copy_insn_1): Declare.
9924 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9926 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9928 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9929 arguments to `current_file_function_operand'.
9931 * genrecog.c: Include hard-reg-set.h and resource.h in the
9932 generated output file.
9934 * real.c: Include tm_p.h.
9936 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9938 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9941 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9943 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9944 before the fctiwz insn.
9946 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9947 Mark Mitchell <mark@codesourcery.com>
9949 * tree.c (make_lang_type_fn): New funtion pointer.
9950 (make_lang_type): Call it.
9951 * tree.h (make_lang_type): Declare.
9952 (make_lang_type_fn): Likewise.
9953 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9955 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9957 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9958 make sure that HIGH instructions are copied into BASE_REGS.
9960 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9962 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9964 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9966 * c-decl.c (finish_struct): Use simpler method of
9967 removing elements of a singly-linked list.
9969 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9971 * alpha.md (peephole2's): Comment out peephole2's that generate
9974 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9976 * genrecog.c (add_to_sequence): Disable mode check for
9979 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9981 * ggc-simple.c (init_ggc): Set empty_string.
9983 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9985 * configure.in: Detect mmap. Add --with-gc=foo to select
9986 garbage collector; default to page if mmap available.
9987 * Makefile.in (GGC): Substitute.
9989 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9991 * c-decl.c (ggc_p): Enable.
9993 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9995 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9997 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9999 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
10000 string for little-endian-data.
10002 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
10004 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
10005 case somebody tries to compile --enable-checking code with gcc
10008 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
10010 * genrecog.c (add_to_sequence): Verify operand to label_ref is
10013 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
10015 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
10016 * jump.c (jump_optimize_1): Document why.
10018 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10020 * collect2.c (scan_prog_file, scan_libraries): Prototype function
10021 pointers and casts for `int_handler' and `quit_handler'.
10023 * flow.c (verify_flow_info, split_hard_reg_notes,
10024 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
10025 remove_edge, remove_fake_successors): Add static prototypes.
10026 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
10027 (mark_set_1): Initialize variable `regno'.
10028 (unlink_insn_chain): Likewise for variable `curr'.
10029 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
10031 * loop.c (strength_reduce): Initialize variable
10032 `unrolled_insn_copies'.
10033 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
10034 prototypes. Change these functions to take const PTR parameters
10035 to avoid prototype conflict when used as the comparson argument
10037 (check_dbra_loop): Initialize variable `comparison_val'.
10039 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
10040 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
10041 (find_valid_class): Initialize variable `best_class'.
10042 (find_reloads): Call memcpy, not bcopy.
10044 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
10045 (hard_reg_use_compare): Don't needlessly cast away const.
10046 (reload_reg_class_lower): Likewise.
10047 (choose_reload_regs): Initialize variable `regno'.
10049 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
10051 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
10053 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
10055 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
10056 ({,d}discard): Add forward declarations. Declare parameter as
10058 (main_without_main): Explicitly declare return type to be int.
10059 (memcpy): Properly declare.
10061 * libgcc2.c (toplevel): If inhibit_libc is defined and not
10062 building the trampoline support, declare malloc, free, and
10064 (__clear_cache): Mark arguments as potentially unused.
10066 * frame.c (toplevel): If inhibit_libc is defined, declare
10069 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
10071 * flow.c (make_edge): Accept an optional 2D bitmap in which
10072 to cache edge existence. Update all callers.
10073 (make_label_edge, make_eh_edge): Pass through the edge cache.
10074 (make_edges): Provide the cache.
10076 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10078 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
10080 (local_mbtowc): Change the type of variable `i' from int to size_t.
10082 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
10083 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
10085 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
10087 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
10088 after other includes that define the appropriate types. Include
10089 tm_p.h for getting user prototypes.
10090 * ggc-callbacks.c (toplevel): Ditto.
10091 * ggc-none.c (toplevel): Ditto.
10092 * gcc-page.c (toplevel): Ditto.
10093 * ggc-simple.c (toplevel): Ditto.
10095 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
10096 Jonathan Larmour <jlarmour@cygnus.co.uk>
10098 * config/mips/mips.c (mips_move_2words): Split doubles if
10099 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
10101 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
10103 * genrecog.c (struct decision_test): New.
10104 (struct decision): Remove test-related members, sort the rest by size.
10105 (IS_SPLIT): Simplify.
10106 (new_decision, new_decision_test): New.
10107 (add_to_sequence): Use them. No special handling for args of
10109 (maybe_both_true): Renamed from not_both_true; return sense changed.
10110 (maybe_both_true_1, maybe_both_true_2): New. Broken out
10111 of maybe_both_true and adjusted for decision_test.
10112 (position_merit): Remove.
10113 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
10114 (merge_accept_insn): New, broken out of merge_trees.
10115 (merge_trees): Use them. No special case for c_test; no node
10116 splitting; use test type instead of position_merit.
10117 (factor_tests): New.
10118 (simplify_tests): New.
10119 (break_out_subroutines): Don't write code now.
10120 (find_afterward): New.
10121 (write_afterward, write_switch, write_cond): New.
10122 (write_action, is_unconditional): New.
10123 (write_node): New. Use them.
10124 (write_tree_1): Rewrite. Use the new functions above.
10125 (write_tree): Remove afterward processing.
10126 (write_subroutine): Simplify function variant emission.
10127 (write_subroutines): New.
10128 (same_codes, clear_codes): Remove.
10129 (same_modes, clear_modes): Remove.
10130 (write_header): New, broken out of main.
10131 (make_insn_sequence): Use new_decision and new_decision_test.
10132 (process_tree): New, broken out of main.
10133 (main): Adjust for merge_trees interface change.
10134 Don't #define operands in the output file.
10135 (record_insn_name): New, broken out of make_insn_sequence.
10136 (debug_decision_2, debug_decision_1, debug_decision_0): New.
10137 (debug_decision): New.
10139 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
10141 * resource.c (find_free_register): Mark class_str argument const.
10142 * resource.h: Update prototype to match.
10144 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
10145 * i386.md: Give all anonymous insns names.
10147 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
10149 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
10152 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
10154 * toplev.c (dbr_sched_time): Unconditional.
10155 (peephole2_time): New.
10156 (compile_file): Add pass numbers to all of the dump file suffixes.
10157 Dump peephole2_time. Don't dump times for non-applicable passes.
10158 (rest_of_compilation): Add pass numbers to dump file suffixes.
10159 Conditionalize calls to the scheduler.
10160 * invoke.texi: Update.
10162 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
10164 * flow.c (make_edges): Fix insn iteration.
10165 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
10166 (find_basic_blocks_1): Fix spelling mistake.
10168 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
10170 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
10171 always have side-effects. Use memset not bzero.
10172 (make_node): Likewise.
10174 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
10176 * stmt.c (expand_anon_union_decl): When any of the elements of the
10177 union is addressable, so is the entire union.
10179 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
10181 * sbitmap.c (sbitmap_ones): Don't set too many bits.
10183 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
10184 * bitmap.c (bitmap_operation): Return true iff TO changed.
10185 (bitmap_equal_p): New.
10186 (bitmap_bit_p): Tidy arithmetic.
10187 (debug_bitmap_file): Likewise.
10189 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
10191 * toplev.c (rest_of_compilation): Turn on cse_not_expected
10192 before cse2 instead of after.
10194 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
10196 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
10199 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10201 * cppinit.c (is_idchar initializer): Loosen tests to accept
10204 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
10206 * mips.md: Define conditional move patterns for floating point
10207 operands and DI mode conditions.
10209 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
10211 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
10212 always have side-effects.
10214 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
10216 * mn10200.c (asm_file_start): Fix typo.
10218 * cppinit.c (is_idchar initializer): Tighten tests for when
10219 to put the table into initialized memory.
10221 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
10222 not an array of rtunion.
10223 * gcc-page.c (ggc_alloc_rtvec): Similarly.
10224 * gcc-simple (ggc_free_rtvec): Similarly.
10226 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
10229 * mbchar.h: Add missing #endif.
10231 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
10232 (FPBIT, DPBIT): Define.
10234 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10236 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
10238 * profile.c (instrument_arcs, output_gcov_string,
10239 tablejump_entry_p): Add static prototypes.
10240 (output_gcov_string): Constify a char*.
10242 * regmove.c (replacement_quality, fixup_match_2): Add static
10245 * resource.h (reg_dead_p): Add extern prototype.
10247 * rtl.c (trim_filename): Add static prototype.
10249 * scan-decls.c (skip_to_closing_brace): Likewise.
10251 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
10252 (expand_end_case): Initialize variable `range'.
10253 (emit_case_nodes): Remove unused prototype `rtx_fn'.
10255 * varasm.c (asm_emit_uninitialised): Add static prototype.
10256 (asm_emit_uninitialised, assemble_variable): Mark parameter with
10259 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10261 * cpplib.c (if_directive_nameo): Add static prototype.
10263 * cse.c (cse_insn): Remove unused variable `p'.
10265 * except.c (create_rethrow_ref, push_entry,
10266 receive_exception_label, new_eh_region_entry, find_func_region,
10267 clear_function_eh_region, process_nestinfo): Add static prototypes.
10268 (get_reg_for_handler): Hide definition.
10269 (process_nestinfo): Initialize variable `extra_handlers'.
10271 * expr.h (expand_builtin_longjmp): Add extern prototype.
10273 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
10275 * function.c (prepare_function_start): Likewise.
10276 (pop_function_context_from): Mark parameter `context' with
10278 (push_temp_slots_for_block, flush_addressof): Hide definition.
10280 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
10281 solve_program_flow_graph, calculate_branch_probs,
10282 function_summary, main, fancy_abort): Add prototypes.
10284 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
10285 (add_hash): Constify a char*.
10287 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
10288 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
10289 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
10291 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
10293 * lists.c (free_list, zap_lists): Likewise.
10295 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10297 * alias.c (nonlocal_reference_p): Add static prototype.
10299 * bitmap.c (bitmap_element_allocate): Prototype args in function
10302 * builtins.c (stabilize_va_list): Add static prototype.
10303 (expand_builtin_va_arg): Constify a char*.
10305 * c-lex.c (getch, put_back, extend_token_buffer_to,
10306 read_line_number, token_getch, token_put_back): Add static
10309 * c-parse.gperf (hash, is_reserved_word): Likewise.
10311 * cccp.c (is_dir_separator): Likewise.
10313 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10315 * graph.h: New file to prototype functions exported by graph.c.
10317 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
10319 * graph.c: Include graph.h.
10321 * toplev.c: Likewise. Remove redundant prototypes.
10323 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
10325 * invoke.texi: Removed duplicated description for -Q.
10327 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
10329 * extend.texi: Grammar fix in __extension__ text.
10331 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
10333 * md.texi (define_peephole2): New section.
10335 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
10337 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
10338 (mov $-1 to or peepholer): Enable for pentium when optimizing for
10341 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
10343 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
10345 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
10347 * i386.md (ffs expander): Emit Pentium friendly code for
10350 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
10352 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
10354 (build1): Likewise.
10356 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10358 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
10360 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
10362 * config/m68k/m68k.c (use_return_insn): Return false if the pic
10363 register is in use.
10365 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10367 * md.texi (No Constraints): Delete section.
10368 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
10369 * final.c (final_scan_insn): We always have register constraints.
10370 * genattrtab.c: Don't include "insn-config.h".
10371 (write_attr_case): We always have register constraints.
10372 * genconfig.c (register_constraint_flag): Delete.
10373 (walk_insn_part): Don't check whether we have register constraints.
10374 (main): Don't write out "#define REGISTER_CONSTRAINTS".
10375 * genoutput.c (have_constraints): Delete.
10376 (main): Don't set it.
10377 (output_operand_data): We always have constraints.
10378 (scan_operands): Likewise.
10379 (compare_operands): Likewise.
10380 * local-alloc.c (block_alloc): We always have constraints.
10381 (requires_inout): Always compile this function.
10382 * recog.c (extract_insn): We always have constraints.
10383 (constrain_operands, reg_fits_class_p): Always compile these
10385 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
10387 (struct insn_operand_data): Likewise.
10388 * regclass.c (regclass): We always have constraints.
10389 (record_reg_classes, copy_cost, record_address_regs,
10390 auto_inc_dec_reg_p): Always compile these functions.
10391 * regmove.c (regmove_optimize): We always have constraints.
10392 * reload.c (find_reloads): Likewise.
10393 * reload1.c (reload): Likewise.
10394 (reload_cse_simplify_operands): Likewise.
10395 * i860.c (output_delay_insn): Likewise.
10397 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
10399 * iris6.h (BUILD_VA_LIST_TYPE): Define.
10401 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10403 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
10404 for the va_list record.
10406 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
10408 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
10411 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
10413 * alias.c: Include insn-flags.h.
10414 * Makefile.in (alias.o): Update.
10416 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
10418 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
10419 to LTU and GEU. Handle more cases using sbb.
10421 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
10423 * i386.md (truncatexfdf splitters): Do not use subreg.
10424 (fop XFmode patterns): Fix mode in operand testing.
10426 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
10428 * jump.c (jump_optimize_1): Amend last change to test only the
10429 form of the operand, not the insn.
10431 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
10432 not register_operand to determine when B may need preloading.
10434 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
10436 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
10437 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
10438 (call-value patterns): Move to end of file.
10439 (*): Remove mode from label_ref in (pc) context.
10440 (movstrqi): Use memory not general_operand for BLKmode operands.
10441 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
10442 to register_operand operands.
10443 (peep2 patterns): Convert from commented-out peephole patterns.
10445 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10447 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
10448 to BUILT_IN_INIT_DWARF_REG_SIZES.
10449 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
10450 Renamed from BUILT_IN_DWARF_REG_SIZE; call
10451 expand_builtin_init_dwarf_reg_sizes.
10452 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
10453 with __builtin_init_dwarf_reg_size_table.
10454 * dwarf2out.c (struct reg_size_range): Delete.
10455 (expand_builtin_init_dwarf_reg_sizes): New function.
10456 (expand_builtin_dwarf_reg_size): Delete.
10457 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
10458 (expand_builtin_dwarf_reg_size): Don't declare.
10459 * libgcc2.c (dwarf_reg_size_table_initialized): New.
10460 (dwarf_reg_size_table): New.
10461 (init_reg_size_table): New function.
10462 (copy_reg): Use dwarf_reg_size_table.
10463 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
10466 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
10468 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
10469 Correctly build argument list to constructor and destructor functions.
10471 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
10473 * c-tree.h (warn_float_equal): Declare.
10474 * c-decl.c (warn_float_equal): Define.
10475 (c_decode_option): Recognize -W[no-]float-equal.
10476 * c-typeck.c (build_binary_op): Conditionally warn
10477 about equality tests of floating point types.
10478 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
10479 * invoke.texi: Add docs for -Wfloat-equal warning.
10481 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
10483 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
10484 generating RTL directly.
10485 * mips.h (INIT_TARGET_OPTABS): Likewise.
10486 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
10488 * expr.h (init_mov_optab): Delete declaration
10490 * h8300.c (WORD_REG_USED): Update to avoid useless register
10491 saves in interrupt functions and functions which never return.
10493 * cse.c (struct set): Delete inner_dest_loc field.
10494 (cse_insn): Remove assignments to inner_dest_loc field.
10496 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
10498 * ggc-page.c: Don't include <unistd.h> etc taken care of
10499 by "system.h". Include <sys/mman.h> afterward.
10501 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
10503 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
10506 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
10508 * xcoffout.c (xcoffout_declare_function): Add documentation.
10509 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
10510 TARGET_64BIT. Compare constant to -1, not bit pattern.
10511 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
10512 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
10515 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
10517 * dwarf2out.c (add_abstract_origin_attribute): Abort if
10518 origin_die is NULL.
10519 (gen_inlined_enumeration_type_die): Do not abort if the type has
10520 not been writeen out.
10521 (gen_inlined_structure_type_die): Do not abort if the type has
10522 not been writeen out.
10523 (gen_inlined_union_type_die): Do not abort if the type has
10524 not been writeen out.
10525 (gen_tagged_type_instantiation_die): Do not abort if the type
10526 has not been written out.
10528 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10530 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
10532 * reg-stack.c (straighten_stack): Copy hard reg set with
10535 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
10537 * builtins.c (stabilize_va_list): Stabilize array type va_list
10538 to a pointer type, not the base record type.
10539 (expand_builtin_va_copy): Dereference the pointers explicitly;
10540 use the correct size for the copy.
10542 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
10543 (rs6000_va_arg): Likewise.
10545 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
10547 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
10549 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
10551 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
10553 (DECL_BUILT_IN_CLASS): Adjust accordingly.
10555 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
10557 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
10558 (init_ggc): Use it instead of a constant.
10559 (ggc_collect): Bound allocated_last_gc by it.
10561 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
10563 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
10566 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
10568 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
10569 (mips*-*-openbsd*): Let big endian configuration be a fragment.
10570 * configure: Regen.
10571 * config/mips/openbsd.h: New, OpenBSD little endian target.
10572 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
10573 * config/mips/xm-openbsd.h: New, OpenBSD host.
10575 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
10577 * config/m68k/m68k.c (output_function_prologue,
10578 output_function_epilogue): Use
10579 current_function_uses_pic_offset_table instead of regs_ever_live
10580 to decide whether to save/restore pic register.
10581 (legitimize_pic_address): Don't modify regs_ever_live any more.
10583 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
10585 * function.h (struct function): Add x_dont_save_pending_sizes_p.
10586 * stor-layout.c (variable_size): Don't add sizes to the pending
10587 sizes list if x_dont_save_pending_sizes_p is set.
10589 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
10591 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
10592 for symbolic_operand().
10593 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
10595 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10597 * combine.c (gen_rtx_combine): Add missing call to va_end().
10599 * final.c (asm_fprintf): Likewise.
10601 * genattrtab.c (attr_rtx): Likewise.
10603 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
10605 * cse.c: Update comments.
10606 (cse_insn): When converting a conditional/computed jump into
10607 an unconditional jump, always make sure a BARRIER immediately
10608 follows the converted jump. Do not delete unreachable code.
10609 (cse_basic_block): Do not delete unreachable code.
10610 * toplev.c (rest_of_compilation): Move call to
10611 delete_trivially_dead_insns after the conditional call to
10614 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10616 * collect2.c (make_temp_file): Don't prototype.
10618 * gcc.c (make_temp_file): Likewise.
10620 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
10622 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
10624 * varasm.c (asm_emit_uninitialised): New function: Generate
10625 the assembler statements necessary to declare an uninitialised
10627 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
10629 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
10630 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
10632 (assemble_variable): Use asm_emit_uninitialised to emit an
10633 uninitialised variable.
10635 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
10637 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
10638 constant on a 64 bit host. Patch supplied by Geoffrey Keating
10639 <geoffk@cygnus.com>.
10641 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10643 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
10644 * c-common.h (builtin_function): Don't declare.
10646 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
10648 (pushdecl): Likewise.
10649 (finish_decl): Likewise.
10650 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
10651 int. All callers changed.
10652 Set the builtin's DECL_BUILT_IN_CLASS.
10653 * tree.h (enum built_in_class): New.
10654 (enum built_in_function): Delete NOT_BUILT_IN.
10655 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
10657 (DECL_SET_FUNCTION_CODE): Likewise.
10658 (DECL_BUILT_IN_CLASS): New macro.
10659 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
10660 (struct tree_decl): Split builtin function code field into a
10662 (builtin_function): Declare.
10664 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
10666 * optabs.c (init_traps): Fix typo in last change.
10668 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
10670 * toplev.c (rest_of_decl_compilation): Update comment.
10672 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10674 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
10675 in .sbss if appropriate.
10676 (EXTRA_SECTION_FUNCTIONS): Add sbss.
10677 (SBSS_SECTION_ASM_OP): New macro.
10678 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
10679 (EXTRA_SECTIONS): Add in_sbss.
10680 * config/mips/mips.h: Prototype sbss_section.
10682 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10684 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10687 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10689 * optabs.c (init_traps): Register trap_rtx as a GC root.
10691 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10693 * config/mips/mips.c (function_arg_pass_by_reference): Define
10694 unconditionally, since it's called unconditionally.
10696 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10698 * toplev.c (documented_lang_options): Add -fshort-wchar.
10699 * c-decl.c (c_decode_option): Likewise.
10700 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10702 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10703 * gcc.c (default_compilers): If -fshort-wchar,
10704 override __WCHAR_TYPE__.
10705 * tm.texi (C Dialect Options): Add -fshort-wchar.
10707 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10708 symbol for a variable.
10710 * cpplib.h (CPP_PREPROCESSED): New macro.
10711 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10712 we're seeing this input for a second time.
10714 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10716 * emit-rtl.c (init_emit_once): Initialize modes first.
10718 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10720 * config/i386/i386.c (pic_label_name): Change to char pointer.
10721 (global_offset_table): New variable.
10722 (load_pic_register): Fill global_offset_table if it hasn't
10723 already been done. Allocate pic_label_name dynamically.
10724 * ggc.h (empty_string): New variable.
10725 * ggc-simple.c (empty_string): Likewise.
10726 (init_ggc): Allocate empty_string and add as root.
10727 * stmt.c (digit_strings): New variable.
10728 (init_stmt): Add last_block_end_note as root. Allocate and
10729 initialize digit_strings.
10730 (expand_asm_operands): Use empty_string instead of string
10731 constant. Use digit_strings instead of string constants.
10732 * profile.c (init_arc_profiler): Allocate string with
10733 ggc_alloc_string instead of xmalloc.
10734 (output_func_start_profiler): Likewise.
10735 * c-typeck.c (digest_init): Check if init is error_mark_node.
10737 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10738 Richard Henderson <rth@cygnus.com>
10740 * ggc-page.c: New file.
10741 * Makefile.in (ggc-page.o): New.
10743 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10745 * invoke.texi: Document -fdelete-null-pointer-checks
10746 * toplev.c (flag_delete_null_pointer_checks): New.
10747 (f_options): Add entry for -fdelete-null-pointer-checks.
10748 (rest_of_compilation): Conditionalize null pointer check
10749 elimination on flag_delete_null_pointer_checks.
10750 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10752 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10754 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10755 copyright notice and special exception to GPL.
10757 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10759 * abi64.h (mips_function_value): Add prototype arguments.
10761 * mips-protos.h: New file with mips prototypes.
10763 * mips.c: Include "tm_p.h".
10764 (mktemp, lookup_name): Add prototype arguments.
10765 (extern_list, string_constant, mips_fill_delay_slot,
10766 mips_output_external, mips_output_external_libcall,
10767 mips_output_filename, mips_declare_object, function_prologue,
10768 mips_expand_prologue, function_epilogue, mips16_constant,
10769 build_mips16_function_stub, mips_output_conditional_branch):
10771 (mips_va_start): Remove unused variable `u'.
10772 (mips_va_arg): Cast value to unsigned when comparing against one.
10774 (save_restore_insns, mips_expand_prologue): Add missing arg in
10775 call to `large_int'.
10777 * mips.h: Move prototypes to mips-protos.h.
10778 (data_section, memory_address_p, rdata_section,
10779 readonly_data_section, simple_epilogue_p, text_section): Delete
10780 prototypes delcared elsewhere.
10781 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10783 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10785 * mips.md: Delete extra args in call to `mips_move_2words'.
10787 * xm-iris6.h (alloca): Add prototype argument.
10789 * genpeep.c: Include "tm_p.h" in generated output file.
10791 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10793 * basic-block.h (find_edge_index): Change parameters.
10794 * flow.c (verify_edge_list): Pass basic_block parameters to
10795 find_edge_index instead of integers.
10797 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10799 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10802 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10804 * gcc.1: Fix a formatting error.
10806 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10808 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10809 i786, mn10200, mn10300, pdp11, v850.
10811 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10813 * libgcc2.c (num_digits): Add prototype with
10814 __attribute__((const)).
10815 (__terminate): Add prototype.
10817 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10819 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10821 * alpha/alpha.c (print_operand): Fix type of `code'.
10822 (alpha_output_filename): Constify.
10823 * alpha/alpha.h: Move all function declarations ...
10824 * alpha/alpha-protos.h: ... here. New file.
10825 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10826 (SECTION_FUNCTION_TEMPLATE): Likewise.
10828 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10830 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10831 * expr.c (expand_expr): Likewise.
10832 (do_jump): Likewise.
10833 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10834 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10836 (enum can_compare_purpose): New.
10837 (can_compare_p): Adjust prototype.
10838 (prepare_cmp_insn, prepare_operand): Declare.
10839 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10840 * optabs.c (cmp_available_p): Deleted.
10841 (expand_abs): Pass ccp_jump to can_compare_p.
10842 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10843 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10844 Call can_compare_p rather than cmp_available_p.
10845 (prepare_operand): No longer static.
10846 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10847 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10848 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10849 sequence to use emit_cmp_and_jump_insns.
10850 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10852 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10854 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10855 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10856 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10857 (plus (reg) (const_int 0))
10858 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10860 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10862 * rs6000.c (expand_block_move): DImode loads and stores require
10863 word-aligned displacements. Increment address registers with
10864 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10866 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10868 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10869 is no name for the base type, rather than segfault. If we are
10870 writing out a complex integer type, use DW_ATE_lo_user.
10872 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10873 in one word or less (complex char, complex short, or on 64 bit
10874 systems complex float) to/from a hard register, copy it through
10875 memory instead of dying in gen_{real,imag}part. If we have a
10876 short complex type, prevent inlining since it allocates stack
10879 * tree.c (build_complex_type): If we are writing dwarf2 output,
10880 generate a name for complex integer types.
10882 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10884 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10885 * flow.c (remove_edge): Remove extra whitespace.
10886 (remove_fake_edges): Fix comment.
10887 (add_noreturn_fake_exit_edges): Use the correct name.
10889 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10891 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10892 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10893 (clean): Depend on INTL_CLEAN.
10894 (maintainer-clean): Adjust.
10896 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10898 * configure.in (AC_PREREQ): Bump to 2.13.
10899 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10901 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10903 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10905 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10907 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10908 (HAVE_STRINGIZE): Define.
10910 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10912 * c-parse.in: save and restore warn_pointer_arith on __extension__
10913 along with pedantic.
10914 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10915 Set the type of extension to itype rather than $<itype>1 kludge.
10916 * extend.texi (Alternate Keywords): Adjust documentation.
10917 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10919 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10921 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10922 most assembler templates.
10924 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10925 FP loads and stores.
10926 (following_call): Always return zero for the PA8000.
10927 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10928 FP loads and stores.
10929 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10931 * pa.h (BRANCH_COST): Define.
10933 * pa.md (return, return_internal): Use bve for PA2.0.
10935 * pa.md (fused multiply): Add variants which reduce height for the
10936 fused multiply, but which still generate 2 insns.
10937 (fnegabs): Similarly.
10939 * pa.md (subsi3): Turn into an expander. Create two anonymous
10940 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10941 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10943 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10945 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10947 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10948 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10950 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10953 * flow.c (record_active_eh_regions): Terminate loop after finding
10954 the last insn in the last basic block.
10956 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10958 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10960 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10962 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10964 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10966 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10967 splitting to not use output template.
10969 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10971 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10972 * config/c4x/c4x.c (c4x_va_start): New function.
10974 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10976 * genrecog.c (not_both_true): Handle correctly cases when called for
10977 tests with different positions in the insn.
10979 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10981 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10983 * system.h (HOST_PTR_PRINTF): ... to here.
10985 * mips-tfile.c: Don't include machmode.h.
10987 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10988 (mips-tfile.o): Don't depend on machmode.h.
10990 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10992 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10993 avoid conflicts with typedef struct `region' at the top level scope.
10995 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10997 * basic-block.h (basic_block): Add eh_beg, eh_end.
10998 * flow.c (entry_exit_blocks): Update.
10999 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
11000 Call new functions.
11001 (find_basic_blocks_1): Don't record eh_list at each bb. Use
11002 lists.c functions to allocate insn lists.
11003 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
11005 (make_eh_edge): ... here. New.
11006 (move_stray_eh_region_notes): New.
11007 (record_active_eh_regions): New.
11008 (delete_unreachable_blocks): Split out block merging ...
11009 (try_merge_blocks): ... here. New.
11010 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
11011 Dump debugging data.
11012 (merge_blocks_move_successor_nojumps): Likewise.
11013 (merge_blocks): Use eh_beg+eh_end to validate block movement.
11015 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11017 * extend.texi (Bound member functions): Document unbound pmf
11020 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11022 * flow.c (split_edge): Handle insertion on a fallthrough edge which
11023 has the EXIT_BLOCK as a dest.
11025 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11027 * flow.c (remove_edge): New function to remove an edge from the
11029 (remove_fake_successors): New function to remove fake successor edges.
11030 (remove_fake_edges): New function to remove all fake edges from the
11032 (add_fake_exit_edges): New function to add fake edges from all blocks
11033 with no successors to the exit block.
11034 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
11035 prototypes for new functions.
11037 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11039 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
11040 Use Pmode to determine whether to output .dword or .word.
11042 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
11044 * tree.c (built_in_filename): New variable.
11045 (BUILT_IN_FILENAME): New macro.
11046 (init_tree_codes): Allocate built_in_filename.
11047 (make_node): Use built_in_filename instead of string constant.
11049 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
11051 * configure.in: Add fr30 target.
11052 * configure: Regenerate.
11053 * config/fr30: New directory.
11054 * config/fr30/crti.asm: New file.
11055 * config/fr30/fr30.c: New file.
11056 * config/fr30/crtn.asm: New file.
11057 * config/fr30/fr30.h: New file.
11058 * config/fr30/fr30.md: New file.
11059 * config/fr30/lib1funcs.asm: New file.
11060 * config/fr30/t-fr30: New file.
11061 * config/fr30/xm-fr30.h: New file.
11063 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
11065 * flow.c (merge_blocks_move_successor_nojumps): Delete the
11066 BARRIER at the end of the successor, not the BARRIER before
11069 * pa.c (pa_add_gc_roots): Fix thinko in last change.
11071 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
11073 * stmt.c (any_pending_cleanups): Don't crash when
11074 current_function->stmt is unset.
11076 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11078 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
11079 other initializations that may use it for relative offsets.
11081 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11083 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
11084 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
11085 * config/i386/sol2dbg.h: Removed.
11086 * config/i386/sol2gas.h: New file, to enable gas work-around.
11087 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
11088 Don't use sol2dbg.h.
11089 * configure: Rebuilt.
11091 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
11093 * invoke.texi (-fthis-is-variable): Remove documentation.
11095 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
11097 * basic-block.h (compute_bb_for_insn): Declare.
11098 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
11099 to use; set size of basic_block_for_insn directly.
11100 (find_basic_blocks): Update.
11102 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11104 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
11106 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11108 * crtstuff.c (ON_EXIT): Delete empty macro definition.
11109 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
11111 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
11113 * c-decl.c (c_decode_option): Extend comment.
11115 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
11117 * toplev.c (progname): Make 'const char *'
11118 (flag_print_mem): Move out of main.
11119 (version_flag): Move out of main.
11120 (filename): Move out of main.
11121 (debug_args): Remove g prefix from options.
11122 (documented_lang_options): Remove cpplib specific options.
11123 (display_help): Add g prefix to debug options.
11124 (check_lang_option): Delete this function.
11125 (decode_d_option): New function: Decode -d... option.
11126 (decode_f_option): New function: Decode -f... option.
11127 (decode_W_option): New function: Decode -W... option.
11128 (decode_g_option): New function: Decode -g... option.
11129 (independent_decode_option): New function: Decode a language
11130 independent command line option.
11131 (main): Invoke lang_decode_option and then
11132 independent_decode_option on each command line option in
11135 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
11137 Revert this change. Gavin's patch to operand_equal_p is a better fix.
11138 * fold-const.c (fold_range_test): Do not try to fold the range
11139 test if the rhs or lhs has side effects.
11141 * basic-block.h (compute_flow_dominators): Declare.
11143 * gcse.c (alloc_code_hoist_mem): New function.
11144 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
11145 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
11146 (hoist_code, one_code_hoisting_pass): Likewise.
11147 (gcse_main): If optimizing for size, then hoist expressions
11148 computed in multiple dominated basic blocks.
11150 * gcse.c (invalid_nonnull_info): New function.
11151 (delete_null_pointer_checks): Likewise.
11152 * rtl.h (delete_null_pointer_checks): Declare.
11153 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
11155 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
11156 (merge-blocks_move_successor_nojumps): Likewise.
11157 (merge_blocks): Allow merging of some blocks, even if it requires
11158 physical movement of the blocks, but not if it requires new jumps.
11160 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
11161 Callers and prototype changed.
11162 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
11164 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11166 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
11167 -YP when both -p and -pg are present. From i386/sol2.h.
11169 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11171 * Makefile.in (distclean): Delete tm_p.h.
11172 * configure.in: Create a new file, "tm_p.h", from a list in
11173 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
11174 "i386/i386-protos.h".
11176 * alias.c: Include "tm_p.h".
11177 * c-typeck.c: Likewise.
11178 * calls.c: Likewise.
11180 * emit-rtl.c: Likewise.
11181 * explow.c: Likewise.
11182 * expmed.c: Likewise.
11183 * expr.c: Likewise.
11184 * final.c: Likewise.
11185 * flow.c: Likewise.
11186 * fold-const.c: Likewise.
11187 * function.c: Likewise.
11188 * gcse.c: Likewise.
11189 * global.c: Likewise.
11190 * haifa-sched.c: Likewise.
11191 * integrate.c: Likewise.
11192 * jump.c: Likewise.
11193 * local-alloc.c: Likewise.
11194 * loop.c: Likewise.
11195 * optabs.c: Likewise.
11196 * recog.c: Likewise.
11197 * reg-stack.c: Likewise.
11198 * regclass.c: Likewise.
11199 * regmove.c: Likewise.
11200 * reload.c: Likewise.
11201 * reload1.c: Likewise.
11202 * reorg.c: Likewise.
11203 * resource.c: Likewise.
11204 * stmt.c: Likewise.
11205 * stor-layout.c: Likewise.
11206 * toplev.c: Likewise.
11207 * tree.c: Likewise.
11208 * unroll.c: Likewise.
11209 * genattrtab.c (main): Make generated file include "tm_p.h".
11210 * genemit.c (main): Likewise.
11211 * genoutput.c (main): Likewise.
11212 * genrecog.c (main): Likewise.
11214 * i386.h: Delete all prototypes.
11215 * i386.c: Include "tm_p.h".
11216 (ix86_attr_length_default): Call constant_call_address_operand
11217 with correct number of arguments.
11218 * i386-protos.h: New file.
11219 * i386.md (unnamed patterns): Call constant_call_address_operand
11220 with correct number of arguments.
11221 (exception_receiver): Call load_pic_register with correct number
11224 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
11226 * c-pragma.c (mark_align_stack): Dereference the void* properly.
11228 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
11230 * rtl.h (insns_safe_to_move_p): New function.
11231 * loop.c (find_and_verify_loops): Use it.
11232 * rtlanal.c (insns_safe_to_move_p): Define it.
11234 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
11236 * c-pragma.c: Include ggc.h.
11237 * Makefile.in (c-pragma.o): Update.
11239 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11241 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
11242 (LIB_SPEC): Likewise.
11243 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
11244 Reindent -YP/-p/-pg.
11245 Copied from config/sparc/sol2.h.
11247 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
11249 * c-pragma.c (mark_align_stack): New.
11250 (init_pragma): New.
11251 * c-pragma.h (init_pragma): Declare it.
11252 * c-lex.c (init_parse): Call it.
11254 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11256 * configure.in: Pick up thread library on Solaris/x86 just
11257 like on Solaris/sparc.
11258 * configure: Rebuilt.
11260 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
11262 * rtl.h (global_rtx_index): New enum.
11263 (global_rtl): Change to array of rtx.
11264 (pc_rtx, cc0_rtx): Redefine accordingly.
11265 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
11266 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
11267 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
11268 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
11269 (const_int_rtx): Change to array of rtx.
11270 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
11272 * emit-rtl.c (global_rtl): Change to array of rtx.
11273 (const_int_rtx): Change to aray of rtx.
11274 (gen_rtx_CONST_INT): Redefine accordingly.
11275 (init_emit_once): Allocate and initialize global_rtl. Likewise
11276 for const_int_rtx. Add both as GC roots.
11277 * genattrtab.c (global_rtl): Update declaration.
11279 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
11281 * Makefile (USER_H): Add iso646.h back.
11283 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
11285 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
11286 zapping the LOG_LINKS of sched_before_next_call.
11288 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
11289 * pa.c (insn_refs_are_delayed): Renamed from
11290 insn_sets_and_refs_are_delayed.
11292 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
11294 * functiion.h (struct function): Add x_whole_function_mode_p.
11295 (retrofit_block): Declare.
11296 * function.c (retrofit_block): New function.
11297 (identify_blocks): Add assertions. Allow an incomplete set of
11298 block notes if we're still generating code for the function.
11299 * integrate.c: Include loop.h.
11300 (expand_inline_function): Call find_loop_tree_blocks to map block
11301 notes to blocks when in whole-function mode. Use retrofit_block
11302 to insert new BLOCKs for the inlined function, rather than
11304 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
11305 * Makefile.in (integrate.o): Depend on loop.h.
11307 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
11309 * tree.h (warn_about_unused_variables): Declare.
11310 * stmt.c (warn_about_unused_variables): New function, split out
11312 (expand_end_bindings): Here.
11314 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
11316 * stmt.c (preserve_subexpressions_p): Don't crash when
11317 current_function->stmt is unset.
11319 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
11321 * stmt.c (expand_start_bindings): Allow callers to pass a flag
11322 indicating that no NOTE_INSN_BLOCK_BEG note is required.
11323 (expand_start_target_temps): Use it.
11324 * except.c (expand_eh_region_start_for_decl): Likewise.
11325 * expr.c (expand_expr): Likewise.
11327 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
11329 * fold-const.c (operand_equal_p): Pay attention to side effects.
11331 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11333 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
11334 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
11336 * tlink.c (scan_linker_output): Look for keywords before accepting
11337 a mangled name in quotes.
11339 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
11341 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
11342 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
11344 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
11346 * alpha.md: Revert Thu Nov 26 change that came in through the
11347 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
11348 Avoid earlyclobber when possible.
11350 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11352 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
11354 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
11355 Define HAVE_ON_EXIT.
11357 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11359 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
11360 CTYPE_CONV in all ctype macros.
11362 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
11365 * cexp.y (initialize_random_junk): Likewise.
11367 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
11369 * i370.c (handle_pragma): Likewise.
11371 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
11373 * v850.c (override_options): Likewise.
11375 * doprint.c (_doprnt): Likewise.
11377 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
11380 * fixinc/server.c (load_data): Likewise.
11382 * fold-const.c (real_hex_to_f): Likewise.
11384 * genattr.c (write_upcase, gen_attr): Likewise.
11386 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
11387 write_upcase): Likewise.
11389 * genemit.c (print_code): Likewise.
11391 * genopinit.c (gen_insn): Likewise.
11393 * genpeep.c (print_code): Likewise.
11395 * genrecog.c (print_code): Likewise.
11397 * optabs.c (init_libfuncs): Likewise.
11399 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
11401 * haifa-sched.c (sched_analyze): Keep the list of notes organized
11403 (reemit_notes): Likewise.
11405 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
11407 * ggc.h (ggc_root): Move to ggc-common.c.
11409 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
11410 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
11411 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
11412 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
11413 * ggc-common.c (ggc_root): Move from ggc.h.
11414 (roots): Declare, static.
11415 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
11416 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
11417 null or check/set mark bit.
11418 (ggc_mark_roots): New.
11419 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
11421 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
11423 * m32r.c: Include toplev.h.
11424 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
11425 (gen_compare): Rename swap_p to must_swap to match uses.
11426 Add default abort case.
11427 (m32r_output_function_epilogue): Remove unused variables.
11428 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
11429 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
11430 define to empty parameter list. Update all uses.
11431 (predicate decls): Use enum machine_mode not int.
11432 * m32r.md (movsi): Call abort, not fatal_insn.
11433 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
11435 1999-09-14 Andrew Haley <aph@cygnus.com>
11437 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
11438 use $0 instead of 0.
11440 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11442 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
11443 computation out of loop over hard regs.
11445 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
11447 * function.c (identify_blocks): Don't shadow a variable in an
11449 * integrate.c (integrate_decl_tree): Don't use pushlevel,
11450 pushdecl, or poplevel to build up the new BLOCK tree.
11451 (expand_inline_function): Likewise.
11452 (integrate_parm_decls): Likewise.
11454 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
11456 * c-typeck.c (qualify_type): Merge qualifiers from both types.
11458 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
11460 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
11461 * invoke.texi: Document this change.
11463 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
11465 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
11467 (mark_emit_status): Renamed from mark_emit_state.
11468 * except.c (mark_eh_status): Renamed from mark_eh_state.
11469 Check not null before marking.
11470 (free_eh_status): New.
11471 * expr.c (mark_expr_status, free_expr_status): New.
11472 * function.c (free_machine_status): New.
11473 (free_after_parsing): New.
11474 (free_after_compilation): Move bits to free_after_parsing; call
11475 free_eh_status, free_expr_status; zero the marked members of the
11477 (prepare_function_start): No can_garbage_collect.
11478 Call init_eh_for_function.
11479 (expand_dummy_function_end): Free up current_function state.
11480 (mark_function_status): Renamed from mark_function_state.
11481 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
11482 * function.h (struct function): No can_garbage_collect.
11483 (free_machine_status, free_after_parsing): Declare.
11484 (free_eh_status, free_expr_status): Declare.
11485 * ggc.h (mark_expr_status): Declare.
11486 * stmt.c (free_stmt_status): Free the struct.
11487 (mark_stmt_status): Renamed from mark_stmt_state.
11488 (init_stmt): Don't call init_eh.
11489 (init_stmt_for_function): Don't call init_eh_for_function.
11490 * toplev.c (compile_file): Call init_eh.
11491 (rest_of_compilation): Free basic block info before ggc_collect.
11492 Call free_after_parsing; conditionally call free_after_compilation.
11493 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
11494 Check not null before marking.
11495 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
11497 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
11499 * c-lex.c (yylex): Initialize warn.
11501 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
11503 * pa.c (emit_move_sequence): Properly set the mode of the scratch
11504 register when performing secondary reloads for the SAR register.
11506 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
11508 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
11509 (NOTE_BLOCK): New macro.
11510 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
11511 * function.h (identify_blocks): Change prototype.
11512 * function.c (identify_blocks): Simplify.
11513 (reorder_blocks): Likewise.
11514 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
11515 NOTE_INSN_BLOCK_{BEG,END}.
11516 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
11517 the list of saved notes if the note isn't a
11518 NOTE_INSN_BLOCK_{BEG,END}.
11519 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
11521 (reemit_notes): Adjust recreation of notes to reflect new saved
11523 * print-rtl.c (print_rtx): Print the address of the BLOCK when
11524 printing a block note.
11525 * stmt.c (block_vector): Remove.
11526 (find_loop_tree_blocks): Simplify.
11527 (unroll_block_trees): Likewise.
11528 * tree.h (reorder_block): Change prototype.
11530 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
11532 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
11533 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
11534 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
11535 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
11536 (atexit, exit): Simplify.
11537 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
11538 * config/lots: Remove defns of HAVE_ATEXIT.
11540 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
11542 * calls.c (precompute_arguments): Fix typo in comment.
11543 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
11546 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
11548 * dsp16xx.c (override_options): Fix typos in GC root registration.
11550 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
11552 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
11553 from config/svr4.h.
11554 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
11555 (FUNCTION_PROFILER): Redefine appropriately for Linux.
11556 (CC1_SPEC): Likewise.
11558 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11560 * genattr.c (main): Add extern prototype. Call return, not exit.
11561 * genattrtab.c (main): Likewise.
11562 * gencheck.c (main): Likewise.
11563 * gencodes.c (main): Likewise.
11564 * genconfig.c (main): Likewise.
11565 * genemit.c (main): Likewise.
11566 * genextract.c (main): Likewise.
11567 * genflags.c (main): Likewise.
11568 * gengenrtl.c (main): Likewise.
11569 * genopinit.c (main): Likewise.
11570 * genoutput.c (main): Likewise.
11571 * genpeep.c (main): Likewise.
11572 * genrecog.c (main): Likewise.
11574 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
11575 * genattrtab.c (get_insn_name): Likewise.
11576 * gencodes.c (get_insn_name): Likewise.
11577 * genconfig.c (get_insn_name): Likewise.
11578 * genemit.c (get_insn_name): Likewise.
11579 * genextract.c (get_insn_name): Likewise.
11580 * genflags.c (get_insn_name): Likewise.
11581 * genopinit.c (get_insn_name): Likewise.
11582 * genpeep.c (get_insn_name): Likewise.
11584 * gencheck.c (usage): Add static prototype.
11585 * genextract.c (print_path): Constify a char*.
11586 * genopinit.c (optabs): Likewise.
11587 * genoutput.c (operand_data, data, output_predicate_decls,
11588 compare_operands): Likewise.
11589 * genrecog.c (write_tree): Add default case in switch.
11591 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11593 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
11595 * print-rtl.c (get_insn_name): Remove prototype.
11597 * toplev.h (progname): Declare const.
11599 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
11600 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
11601 dump_sched_info, dump_local_alloc, regset_release_memory,
11602 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
11603 error_with_file_and_line, error_with_decl, error_for_asm, error,
11604 fatal, warning_with_file_and_line, warning_with_decl, warning,
11605 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
11606 Remove redundant prototypes.
11608 (notice, check_lang_option, report_file_and_line, vnotice,
11609 mark_file_stack): Add static prototype.
11610 (set_fatal_function): Add prototype.
11611 (vnotice, report_file_and_line, set_fatal_function,
11612 check_lang_option): Constify a char*.
11613 (main): Prototype. Call return, not exit.
11615 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11617 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
11619 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
11621 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
11623 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
11625 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11627 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
11628 behave as if it's zero in all cases.
11629 (expand_function_start): Adjust call to assign_parms.
11630 * tree.h (assign_parms): Adjust prototype.
11631 * objc/objc-act.c (hack_method_prototype): Adjust call to
11634 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
11636 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
11637 arg_pointer_rtx fixed if the argument pointer register is
11639 (NONZERO_BASE_PLUS_P): Likewise.
11641 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
11643 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
11644 match_insn2 to match_insn.
11645 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
11647 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
11649 * Makefile.in (USER_H): Remove va-foo.h.
11651 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
11652 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
11653 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
11654 va-spur.h,va-v850.h}: Remove.
11656 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
11658 * sparc/sparc.md (eligible_for_return_delay): New attribute.
11659 (in_return_delay): Use it instead of match_insn.
11661 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11663 * config/alpha/va_list.h (va-alpha.h): Do not include.
11664 (__gnuc_va_list): Typedef as in varargs.h.
11666 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
11668 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
11669 DECL_LIVE_RANGE_RTL.
11671 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
11673 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
11674 not NOTE_BLOCK_NUMBER.
11675 (expand_eh_region_end): Likewise.
11676 (find_exception_handler_labels): Likewise.
11677 (scan_region): Likewise.
11678 (exception_optimize): Likewise.
11679 (update_rethrow_references): Likewise.
11680 (set_insn_eh_region): Likewise.
11681 * final.c (final_scan_insn): Likewise.
11682 * flow.c (make_edges): Likewise.
11683 * integrate.c (expand_inline_function): Likewise.
11684 * print-rtl.c (print_rtx): Likewise.
11686 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11688 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11689 terms of builtin functions and types.
11691 * mips.c (mips_build_va_list): New.
11692 (mips_va_start, mips_va_arg): New.
11693 * mips.h (BUILD_VA_LIST_TYPE): New.
11694 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11696 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11697 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11698 * sh.h (BUILD_VA_LIST_TYPE): New.
11699 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11701 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11703 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11704 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11705 (struct insn_data): Likewise with n_operands, n_dups,
11706 n_alternatives, output_format.
11707 * regclass.c (scan_one_insn): Cast n_operands to int before
11708 arithmetic inside comparison.
11710 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11712 * toplev.c (compile_function): Unconditionally emit nop.
11714 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11716 * haifa-sched.c (actual_hazard): Move declaration of variable
11717 `this_cost' into the scope where it is used.
11719 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11721 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11722 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11723 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11725 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11727 * jump.c (find_insert_position): Don't declare or define unless
11728 !HAVE_conditional_arithmetic.
11729 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11731 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11733 * recog.c (offsettable_address_p): Prototype function pointer.
11734 (preprocess_constraints): Call memset, not bzero.
11736 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11737 (gcc_obstack_init): Don't declare.
11738 (fix_sizetype): Add static prototype.
11739 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11740 (tree_cons): Call memset, not bzero.
11742 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11743 definition in macro ASM_WEAKEN_LABEL.
11744 (mark_const_hash_entry): Add static prototype.
11746 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11748 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11750 * unroll.c (find_common_reg_term, subtract_reg_term,
11751 loop_find_equiv_value): Add static prototypes.
11752 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11753 (copy_loop_body): Remove unreachable break statement.
11755 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11757 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11759 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11761 Undo some changes from the gcc2 merge:
11762 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11763 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11767 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11768 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11769 initialized float-int union if the value is a NaN.
11771 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11773 * gthr-win32.h: New file.
11775 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11776 shared as a valid attribute.
11777 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11778 * extend.texi: Document `shared' variable attribute.
11780 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11782 * configure.in: Handle --enable-threads on FreeBSD.
11783 * configure: Rebuit.
11785 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11787 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11789 * configure: Rebuilt.
11791 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11792 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11793 Rosimildo DaSilva <rdasilva@connecttel.com>
11795 * configure.in (m68k-*-rtemscoff*): Added.
11796 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11797 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11798 sparc-rtems configuration.
11799 * configure.in (sparc-*-rtemself*): Added.
11800 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11801 * config/i386/rtems.h: Added comment.
11802 * config/sparc/rtemself.h: New file.
11804 * configure.in (m68k-rtemself): Added.
11805 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11806 and DWARF_DEBUGGING_INFO.
11807 * config/m68k/crti.s: New file.
11808 * config/m68k/crtn.s: New file.
11809 * config/m68k/t-crtstuff: New file.
11810 * config/m68k/rtemself.h: New file.
11812 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11813 global ctor/dtor and C++ exception handling.
11814 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11815 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11817 * config/i386/t-rtems-i386: New File.
11819 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11821 * stmt.c (expand_end_case): Return right away if the case stack is
11824 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11826 * Makefile.in (version.c): Remove rule incorrectly brought in from
11829 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11831 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11832 * msdos/top.sed: Take into account a prepended $(SHELL) to
11834 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11836 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11838 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11840 * regmove.c (fixup_match_1): Don't change an unchanging register.
11841 (stable_but_for_p): Renamed to:
11842 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11843 Changed all callers.
11845 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11847 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11848 insn from BL2 is after the insn from BL.
11850 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11852 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11853 (struct insn_data): Merge `template' and `outfun' into `output'.
11854 Add `output_format'.
11855 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11856 (struct data): Remove `outfun'; add `output_format'.
11857 (name_for_index): Remove declaration.
11858 (output_insn_data): Handle output formats.
11859 (process_template): Emit the bare array for @.
11860 (gen_expand, gen_split): Set output_format to NONE.
11861 * output.h (get_insn_template): Declare.
11862 * final.c (get_insn_template): New.
11863 (final_scan_insn): Use it.
11864 * toplev.c (compile_file): Likewise.
11866 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11867 * i860/i860.c (output_delayed_branch): Likewise.
11868 (output_delay_insn): Likewise.
11870 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11872 * rtl.c (obstack_alloc_rtx): Removed.
11874 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11876 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11878 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11880 * i386.c (call_insn_operand): Reject const_int.
11881 (expander_call_insn_operand): Use call_insn_operand.
11883 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11885 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11887 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11889 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11890 Use DImode operation.
11892 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11894 * gcc.c: Include sys/resource.h.
11895 (report_times): New flag.
11896 (execute): If report_times is set, calculate and report the
11897 CPU time consumed by each subprocess.
11899 (rus, prus): New globals.
11900 (option_map): Add --time.
11901 (display_help): Document -time.
11902 (process_command): Set report_times if -time is given.
11903 Turn off -pipe if -time is given.
11905 * invoke.texi: Document new option -time.
11907 * configure.in: Check for getrusage. Check if we have to
11908 prototype getrusage.
11909 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11910 * configure: Regenerate.
11911 * config.in: Regenerate.
11913 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11915 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11918 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11920 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11921 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11922 (nan): Return _thenan_sf or _thenan_df as appropriate.
11923 (L_thenan_sf): Define _thenan_sf.
11924 (L_thenan_df): Define _thenan_df.
11926 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11927 (DPBIT_FUNCS): Add _thenan_df.
11929 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11931 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11934 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11936 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11939 (lang_specific_driver): Don't take a function pointer parameter.
11940 All callers changed.
11942 * gcc.c: Include gcc.h.
11943 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11944 lang_specific_extra_outfiles, fatal): Don't declare.
11945 (multilib_defaults_raw): Constify.
11946 (read_specs): Call memset, rather than bzero.
11947 (main): Call return, not exit.
11948 (lookup_compiler): Call memcpy, not bcopy.
11949 (fatal): Make extern.
11951 * cppspec.c: Include gcc.h.
11952 (lang_specific_driver): Initialize variable `quote'. Constify a
11953 char*. All calls to the function pointer parameter now
11954 explicitly call `fatal'.
11956 * gccspec.c (lang_specific_driver): Include gcc.h.
11958 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11960 * arm.c (note_invalid_constants): Use recog_data.operand_type
11963 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11965 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11968 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11969 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11970 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11971 reload_secondary_in_reload, reload_secondary_out_reload,
11972 reload_secondary_in_icode, reload_secondary_out_icode,
11973 reload_reg_rtx, reload_when_needed): Delete declarations.
11974 (struct reload): New structure.
11975 (rld): Declare new array.
11976 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11977 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11978 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11979 reload_secondary_in_reload, reload_secondary_out_reload,
11980 reload_secondary_in_icode, reload_secondary_out_icode,
11981 reload_reg_rtx, reload_when_needed): Delete definitions.
11983 (whole file): Replace uses of the deleted arrays with uses of rld.
11984 * reload1.c (whole file): Replace uses of the deleted arrays with
11986 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11987 explicit loops, not with bcopy.
11989 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11991 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11992 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11993 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11994 insn_name): Delete and consolidate into new structures.
11995 (insn_operand_predicate_fn): New.
11996 (insn_output_fn): New.
11997 (insn_gen_fn): New.
11998 (struct insn_operand_data): New.
11999 (struct insn_data): New.
12001 (OUT_FCN): Update for insn_data change.
12002 * builtins.c (expand_builtin_strlen): Likewise.
12003 (expand_builtin_memcmp): Likewise.
12004 * combine.c (make_extraction, simplify_comparison): Likewise.
12005 * cse.c (canon_reg, cse_insn): Likewise.
12006 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
12007 * expmed.c (store_bit_field, extract_bit_field): Likewise.
12008 (emit_store_flag): Likewise.
12009 * expr.c (convert_move, emit_block_move): Likewise.
12010 (clear_storage, emit_push_insn, expand_increment): Likewise.
12011 (do_store_flag): Likewise.
12012 * expr.h (GEN_FCN): Likewise.
12013 (insn_gen_function): Die.
12014 * final.c (final_scan_insn): Update for insn_data change.
12015 (output_asm_name): Likewise.
12016 * function.c (fixup_var_refs_1): Likewise.
12017 * loop.c (check_dbra_loop): Likewise.
12018 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
12019 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
12020 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
12021 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
12022 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
12023 * regmove.c (gen_add3_insn): Likewise.
12024 * reload.c (push_secondary_reload, combine_reloads): Likewise.
12025 (find_reloads, find_reloads_address_1): Likewise.
12026 (debug_reload_to_stream): Likewise.
12027 * reload1.c (emit_reload_insns, gen_reload): Likewise.
12028 * stmt.c (expand_end_case): Likewise.
12029 * toplev.c (compile_file): Likewise.
12031 * c4x/c4x.c (c4x_process_after_reload): Likewise.
12032 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
12034 * print-rtl.c (insn_name_ptr): Remove declaration.
12035 (get_insn_name): Declare.
12036 (print_rtx): Use it.
12037 * genoutput.c (insn_name_ptr): Remove.
12038 (next_operand_number): New.
12039 (struct operand_data): New.
12040 (null_operand, odata, odata_end): New.
12041 (struct data): Use struct operand_data.
12042 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
12043 (get_insn_name): Renamed from name_for_index.
12044 (output_prologue): Define NO_MD_PROTOTYPES.
12045 (output_predicate_decls): Break out from output_epilogue.
12046 Iterate over the operands list.
12047 (output_operand_data): Break out from output_epilogue. Emit
12048 just the operands list.
12049 (output_insn_data): Break out from output_epilogue. Emit just
12051 (output_epilogue): Remove.
12052 (output_get_insn_name): New.
12053 (constraints, op_n_alternatives, predicates, address_p): Die.
12054 (modes, strict_low, seen): Die.
12055 (scan_operands): Take new param `d' instead of writing to
12056 seven global variables.
12057 (compare_operands): New.
12058 (place_operands): New.
12059 (validate_insn_alternatives): Update for struct data change.
12060 (gen_insn): Don't zero or copy 7 global arrays. Update for
12061 scan_operands; call place_operands.
12062 (gen_peephole, gen_expand, gen_split): Likewise.
12063 (main): Update for new output routines.
12065 * genattr.c (insn_name_ptr): Remove.
12066 (get_insn_name): New function.
12067 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
12068 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
12069 * genrecog.c: Likewise.
12071 * alpha.md (adddi3): Make `pattern' array static.
12073 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12075 * config/c4x/c4x.h (c4x_rpts_cycles_string,
12076 c4x_cpu_version_string): Constify char *.
12077 * config/c4x/c4x.c (c4x_rpts_cycles_string,
12078 c4x_cpu_version_string): Likewise.
12080 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
12082 * tree.c (save_tree_status): Revert 10 Sep change.
12083 (restore_tree_status): Likewise. Call obstack_free with NULL
12084 before freeing the obstack proper.
12086 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
12088 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
12090 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
12091 surrounding context.
12093 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
12095 * tree.c (type_hash_canon): Put all types in the hash-table, when
12098 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
12100 * recog.h (struct recog_data, recog_data): New.
12101 (recog_foo variables): Kill.
12102 * recog.c (recog_operand, recog_operand_loc): Kill.
12103 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
12104 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
12105 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
12106 (recog_data): Define.
12107 (extract_insn): Update all recog_foo references to use recog_data.
12108 (preprocess_constraints, constrain_operands): Likewise.
12109 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
12110 * genattrtab.c (main): Likewise.
12111 * genextract.c (main): Likewise.
12112 * genoutput.c: Likewise.
12113 * genrecog.c (write_subroutine, main): Likewise.
12114 * local-alloc.c (block_alloc): Likewise.
12115 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
12116 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
12117 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
12118 * reload.c (find_reloads, find_reloads_toplev): Likewise.
12119 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
12120 (reload_cse_simplify_operands): Likewise.
12122 * arc/arc.c (arc_final_prescan_insn): Likewise.
12123 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
12124 * h8300/h8300.c (notice_update_cc): Likewise.
12125 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
12126 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
12127 * mn10200/mn10200.c (notice_update_cc): Likewise.
12128 * mn10300/mn10300.c (notice_update_cc): Likewise.
12129 * romp/romp.c (update_cc): Likewise.
12130 * sparc/sparc.c (check_pic): Likewise.
12131 * v850/v850.c (notice_update_cc): Likewise.
12133 * genemit.c (main): Don't declare recog_operand.
12135 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
12137 * ggc.h (rtvec_def): Forward declare.
12138 (tree_node): Likewise.
12139 (ggc_root): Define.
12141 (ggc_set_mark_rtx): Add prototype.
12142 (ggc_set_mark_rtvec): Likewise.
12143 (ggc_set_mark_tree): Likewise.
12144 * ggc-simple.c (ggc_root): Don't define.
12145 (roots): Don't declare.
12146 (ggc_mark_rtx): Remove.
12147 (ggc_mark_rtvec): Likewise.
12148 (ggc_mark_tree): Likewise.
12149 (ggc_mark_varray): Likewise.
12150 (ggc_mark_tree_hash_table_entry): Likewise.
12151 (ggc_mark_tree_hash_table): Likewise.
12152 (ggc_set_mart_rtx): New function.
12153 (ggc_set_mark_rtvec): Likewise.
12154 (ggc_set_mark_tree): Likewise.
12155 (ggc_add_root): Remove.
12156 (ggc_add_rtx_root): Likewise.
12157 (ggc_remove_tree_root): Likewise.
12158 (ggc_add_string_root): Likewise.
12159 (ggc_add_tree_varray_root): Likewise.
12160 (ggc_add_tree_hash_table_root): Likewise.
12161 (ggc_del_root): Likewise.
12162 (ggc_mark_rtx_ptr): Likewise.
12163 (ggc_mark_tree_ptr): Likewise.
12164 (ggc_mark_string_ptr): Likewise.
12165 (ggc_mark_tree_varray_ptr): Likewise.
12166 (ggc_mark_tree_hash_table_ptr): Likewise.
12167 * ggc-common.c: New file.
12168 * Makefile.in (OBJS): Add ggc-common.o.
12169 (ggc-common.o): List dependencies.
12171 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
12173 * cppalloc.c (xstrdup): Use memcpy.
12174 * cpperror.c (cpp_print_containing_files): Don't use
12176 * cpplib.c (conditional_skip): Set temp->lineno.
12177 (do_endif): Make error message less obscure.
12178 (if_directive_name): New function.
12179 (cpp_get_token [case EOF]): Unwind the if stack and generate
12180 error messages for each unterminated conditional in this file.
12181 (parse_string): Do not behave differently if -traditional.
12183 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
12185 * builtins.c (expand_builtin_va_arg): Cope with an array-type
12186 va_list decomposing to pointer-type.
12187 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
12188 (rs6000_va_arg): Likewise.
12190 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
12192 * except.c (start_dynamic_handler): Compute size using
12193 STACK_SAVEAREA_MODE.
12195 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12197 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
12198 include directory headers. Don't define strrchr. Don't provide
12199 my_* replacement functions. Prefer PTR over `pointer_type'.
12200 Don't prototype system functions. Don't redefine getopt.
12202 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
12203 safe_read, safe_write, save_pointers, restore_pointers,
12204 is_id_char, in_system_include_dir, directory_specified_p,
12205 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
12206 find_corresponding_lparen, referenced_file_is_newer,
12207 save_def_or_dec, munge_compile_params, gen_aux_info_file,
12208 process_aux_info_file, identify_lineno, check_source,
12209 seek_to_line, forward_to_next_token_char, output_bytes,
12210 output_string, output_up_to, other_variable_style_function,
12211 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
12212 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
12213 find_static_definition, connect_defs_and_decs, add_local_decl,
12214 add_global_decls, needs_to_be_converted, visit_each_hash_node,
12215 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
12216 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
12217 scan_for_missed_items, edit_file, string_list_cons): Add static
12219 (standard_exec_prefix, target_machine, target_version,
12220 default_syscalls_dir, string_list, string_list_cons, find_file,
12221 do_cleaning): Constify a char*.
12222 (safe_read, safe_write): Use PTR, not a char*.
12223 (is_id_char): Take an int, not a char.
12224 (main): Add prototype. Call return, not exit.
12226 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
12228 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
12229 when comparing types.
12231 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
12233 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
12234 (strength_reduce): Release the varrays from the no-bivs early exit.
12236 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
12237 the loop over the registers.
12239 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
12241 (restore_tree_status): Check that instead when freeing the obstack.
12243 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
12245 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
12248 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12250 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
12251 operand size modifiers.
12253 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12255 * c-common.c (c_common_nodes_and_builtins): Don't build
12257 * c-common.h (enum c_tree_index and related accesor macros): Remove
12258 everything now declared in tree.h.
12259 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
12260 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
12261 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
12262 (error_mark_node, void_type_node, char_type_node, integer_type_node,
12263 unsigned_type_node, ptr_type_node, va_list_type_node,
12264 integer_zero_node, null_pointer_node, integer_one_node): Delete.
12265 (init_decl_processing): Call build_common_tree_nodes and
12266 build_common_tree_nodes_2 instead of building their nodes here.
12267 Don't add roots for these nodes.
12268 * stor-layout.c (size_zero_node, size_one_node): Delete.
12269 (set_sizetype): Make a new node for bitsizetype each time.
12270 * tree.c (global_trees): New variable.
12271 (init_obstacks): Add a gc root for it.
12272 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
12273 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
12274 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
12275 (build_common_tree_nodes): New function.
12276 (fix_sizetype): New function.
12277 (build_common_tree_nodes_2): New function.
12278 * tree.h (enum tree_index): New.
12279 (global_trees): Declare.
12280 Add accessor macros for all nodes now moved to global_trees.
12281 Delete their declarations.
12283 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
12285 * c-decl.c (finish_function): When processing a nested function,
12286 push and pop GC context around rest_of_compilation.
12288 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
12290 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
12291 Default ix86_arch to PROCESSOR_I386.
12292 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
12293 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
12294 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
12295 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
12296 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
12297 (EXTRA_SPECS): Remove deleted specs.
12299 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
12301 * function.c (assign_stack_local_1): Allocate from
12302 function->x_frame_offset, not frame_offset.
12304 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
12306 * ggc.h (lang_cleanup_tree): Remove.
12307 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
12308 * ggc-callbacks.c (lang_cleanup_tree): Remove.
12310 * c-decl.c (finish_struct): Use ggc_alloc to allocate
12311 TYPE_LANG_SPECIFIC when garbage collecting.
12312 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
12313 (lang_cleanup_tree): Remove.
12315 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12317 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
12318 * crtstuff.c: Not here.
12319 * dwarf2out.c: Or here.
12320 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
12323 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
12325 * function.h (free_after_compilation): Remove decl parameter.
12326 (free_varasm_status0: Likewise.
12327 (free_emit_status): Likewise.
12328 (free_stmt_status): Likewise.
12329 (free_after_compilation): Likewise.
12330 (init_lang_status): New variable.
12331 (free_lang_status): Likewise.
12332 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
12333 * function.c (init_lang_status): New variable.
12334 (free_lang_status): Likewise.
12335 (push_function_context_to): Don't set function::decl here.
12336 (free_after_copmilation): Make decl parameter implicit. Call
12337 free_lang_status if defined.
12338 (prepare_function_start): Call init_lang_status if defined.
12339 (init_function_start): Set function::decl here.
12340 * profile.c (output_func_start_profiler): Don't call pushdecl
12341 until we've actually started the function.
12342 * stmt.c (free_stmt_status): Make decl parameter implicit.
12343 * toplev.c (rest_of_compilation): Don't pass decl to
12344 free_after_compilation.
12345 * varasm.c (free_varasm_status): Likewise.
12347 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12349 * except.c (call_get_eh_context): Add root when allocating static
12352 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
12354 * arm.c: Include "ggc.h".
12355 (arm_add_gc_roots): New function.
12356 (arm_override_options): Call it.
12357 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
12359 * arm.md (define_asm_attributes): Add a pool_range attribute.
12361 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
12363 * extend.texi (Volatiles): New node.
12365 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
12367 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
12368 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
12369 (struct ggc_any): Replace `mark' with `magic_mark'.
12370 (ggc_alloc_string): Use memcpy, not bcopy.
12371 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
12372 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
12373 (ggc_free_any): New.
12374 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
12375 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
12376 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
12377 Use IS_MARKED. Use ggc_free_any.
12379 1999-09-09 Scott Bambrough <scottb@netwinder.org>
12381 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
12383 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
12385 * toplev.c (main): Always init_ggc.
12387 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
12389 * except.c (find_all_handler_type_matches): Free the list if
12390 we found no matches.
12392 * combine.c (SUBST): Break out to a real function do_SUBST.
12393 (SUBST_INT): Likewise.
12394 * gcse.c (free_pre_mem): Free `temp_bitmap'.
12395 (pre_insert): Free `inserted'.
12396 * loop.c (basic_induction_var): Always set `location'.
12398 * function.c (expand_function_end): Add initial_trampoline as a root.
12399 * rtl.h (init_varasm_once): Declare.
12400 * toplev.c (compile_file): Call it.
12401 * ggc-simple.c (ggc_mark_string_ptr): New.
12402 (ggc_add_string_root): New.
12403 (ggc_collect): Disable collection avoidance temporarily.
12404 * ggc.h (ggc_add_string_root): Declare.
12405 * except.c (create_rethrow_ref): Use ggc_alloc_string.
12406 * optabs.c (init_libfuncs): Likewise.
12407 * varasm.c (named_section): Use ggc_alloc_string.
12408 (make_function_rtl): Likewise.
12409 (make_decl_rtl): Likewise.
12410 (assemble_static_space): Likewise.
12411 (assemble_trampoline_template): Likewise.
12412 (output_constant_def): Likewise.
12413 (force_const_mem): Likewise.
12414 (mark_const_hash_entry): New.
12415 (mark_pool_sym_hash_table): New.
12416 (mark_varasm_state): Use it.
12417 (init_varasm_once): New.
12419 * expr.h (init_one_libfunc): Declare.
12420 * optabs.c (init_one_libfunc): New.
12421 (init_optabs): Use it.
12422 * config/gofast.h: Likewise.
12423 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
12424 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
12426 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12428 * Makefile.in (cppexp.o): Depend on cpphash.h.
12429 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
12431 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
12432 * cpplib.c (do_define): Generalise to handle poisoned definitions,
12433 redefining poisoned identifiers, etc.
12434 (do_undef): Don't allow poisoned identifiers to be undefined.
12435 (do_pragma): Add #pragma poison.
12436 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12438 * cccp.c: Add T_POISON node type.
12439 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
12441 (do_define): Generalise to handle poisoned definitions,
12442 redefining poisoned identifiers, etc.
12443 (do_undef): Don't allow poisoned identifiers to be undefined.
12444 (do_pragma): Add #pragma poison.
12445 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12447 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
12448 * c-pragma.h: Add ps_poison state. We now always have generic
12451 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
12453 * ggc.h (ggc_alloc): New function.
12454 (ggc_mark): Likewise.
12455 * ggc-simple.c (ggc_any): New structure.
12456 (ggc_status): Add anys.
12457 (n_anys_collected): New variable.
12458 (ggc_alloc): Define.
12459 (ggc_mark): Likewise.
12460 (ggc_collect): Collect the anys.
12462 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12464 * c-decl.c (mark_binding_level): Make static to match prototype.
12466 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
12468 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
12470 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
12472 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
12473 will use into account. Expand the max width to 5.
12476 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
12478 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
12479 for the rtx length.
12481 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
12483 * alpha.md (call value patterns): Remove the result predicates.
12485 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
12487 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
12490 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12492 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
12493 changed from extern char *, to extern PTR. Also fix typo in
12494 NEED_DECLARATION_REALLOC test.
12496 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
12498 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12500 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
12501 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
12502 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
12503 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
12505 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
12507 * cccp.c (pcfinclude): Likewise.
12509 * global.c (allocno_compare): Likewise.
12511 * haifa-sched.c (rank_for_schedule): Likewise.
12513 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
12515 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
12517 * stupid.c (stupid_reg_compare): Likewise.
12519 * tree.c (_obstack_allocated_p): Likewise.
12521 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
12523 1999-09-08 Bruce Korb autogen@linuxbox.com
12525 * Makefile.in: Give the hapless gperf user a hint about
12526 why "gperf -F" fails.
12528 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
12530 * lists.c: Include ggc.h.
12532 (init_EXPR_INSN_LIST_cache): Install it.
12534 * ggc-simple.c (init_ggc): Absorb the old init.
12535 (ggc_push_context): Use xcalloc.
12536 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
12537 (ggc_collect): Add [rvts] tags to the collection stats.
12539 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
12541 * cccp.c (main): Fix handling of -include and -imacros options.
12543 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
12545 * cpplib.c (cpp_push_buffer): Fix order of arguments.
12547 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12549 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
12552 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12554 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
12555 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
12556 and SET_DEST. Update comment.
12558 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12560 * config/c4x/c4x.c: Include ggc.h.
12561 (c4x_add_gc_roots): New function.
12562 (c4x_override_options): Call c4x_add_gc_roots.
12564 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
12566 * defaults.h (TARGET_ESC): Move ...
12567 * system.h: ... here, where Linas had it in the first place. Silly me.
12569 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
12571 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
12572 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
12573 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
12574 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
12575 * defaults.h (TARGET_ESC): Add default.
12577 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
12579 * configure.in: add i370-*-openedition, i370-*-mvs and
12580 i370-*-linux targets
12582 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
12584 * dsp16xxx.c: Include ggc.h
12585 (override_options): Mark GC roots.
12586 * mn10200.c: Include ggc.h.
12587 (asm_file_start): Mark GC roots.
12588 * tahoe.c: Include ggc.h.
12589 (extensible_operand): Mark GC roots.
12591 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
12593 * README: Add section discussing status of ELF ABI.
12594 * i370.c: Fix misc spelling mistakes.
12595 (i370_label_scan): Updated notes, exception handling.
12596 (i370_function_prolog): Simplify ELF stack handling.
12597 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
12598 (STACK_GROWS_DOWNWARD): ELF stack grows down.
12599 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
12600 * i370.md: (movdi): Add notes.
12601 (floatsidf2): Use stack not rtca for scratch float area.
12602 (iorsi3): Correct operand constraints.
12603 * x-oe: Restore TAROUTOPTS which are used by pax.
12605 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
12607 * rs6000.c: Include ggc.h.
12608 (rs6000_add_gc_roots): New function.
12609 (override_options): Call it.
12611 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
12613 * alpha.h (alpha_compare): New.
12614 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
12615 * alpha.c: Likewise for the definitions.
12616 (alpha_emit_conditional_branch): Update for alpha_compare.
12617 (alpha_emit_conditional_move): Likewise.
12618 * alpha.md (cmpdf, cmpdi): Likewise.
12619 (setcc patterns): Likewise. Zero alpha_compare after use.
12620 (sne): Optimize (x != 0) into (0U < x).
12622 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
12624 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
12625 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
12626 (INIT_EXPANDERS): Remove.
12627 * alpha.c: Include ggc.h.
12628 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
12629 (alpha_init_machine_status, alpha_mark_machine_status): New.
12630 (override_options): Install them.
12631 (struct machine_function): Moved to alpha.h.
12632 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
12633 (alpha_init_expanders): Remove.
12634 (alpha_return_addr): Adjust to use current_function->machine.
12635 (alpha_ra_ever_killed): Likewise.
12636 (alpha_expand_epilogue): Likewise.
12637 * alpha.md (eh_epilogue): Likewise.
12639 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
12640 Melissa O'Neill <oneill@cs.sfu.ca>
12641 Geoffrey Keating <geoffk@cygnus.com>
12643 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
12644 call-used registers (call-saved registers must still be contiguous
12645 and end with r31, of course).
12647 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
12649 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
12650 (self_promoting_type_p): Delete.
12651 (self_promoting_args_p): Move ...
12652 * c-common.c: ... here.
12653 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
12654 (simple_type_promotes_to): New.
12655 * builtins.c (lang_type_promotes_to): New.
12656 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
12657 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
12658 * c-common.h: ... here.
12659 (self_promoting_args_p, simple_type_promotes_to): Declare.
12660 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
12661 (grokdeclarator): Likewise.
12662 * tree.h (lang_type_promotes_to): Declare.
12664 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
12666 Add some machine-dependent GC roots.
12667 * sparc.c: Include ggc.h.
12668 (sparc_add_gc_roots): New function.
12669 (mark_ultrasparc_pipeline_state): Likewise.
12670 (override_options): Call sparc_add_gc_roots.
12671 * pa.c: Include ggc.h.
12672 (pa_add_gc_roots): New function.
12673 (mark_deferred_plabels): Likewise.
12674 (override_options): Call pa_add_gc_roots.
12675 * mips.c: Include ggc.h.
12676 (mips_add_gc_roots): New function.
12677 (override_options): Use it.
12679 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12681 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12683 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12684 cpp_parse_expr): Add static prototypes.
12685 (parse_charconst): Don't cast away const-ness.
12686 (token): Constify a char*.
12688 * cppfiles.c (file_name_list, include_hash, find_include_file,
12689 finclude, initialize_input_buffer): Constify a char*.
12690 (file_cleanup, find_position): Add static prototypes.
12692 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12693 collect_expansion): Add static prototypes.
12694 (cpp_install, create_definition, monthnames): Constify a char*.
12696 * cpphash.h (cpp_install): Likewise.
12698 * cppinit.c (known_suffixes, default_include,
12699 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12700 (base_name, dump_special_to_buffer, initialize_dependency_output):
12701 Add static prototypes.
12703 * cpplib.c (my_strerror): Constify a char*.
12704 (null_underflow, null_cleanup, skip_comment, copy_comment,
12705 copy_rest_of_line, handle_directive, pass_thru_directive,
12706 get_directive_token, read_line_number, cpp_print_file_and_line,
12707 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12708 v_cpp_warning_with_line, detect_if_not_defined,
12709 consider_directive_while_skipping): Add static prototypes.
12710 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12711 cpp_pedwarn_with_file_and_line): Constify a char*.
12713 * cpplib.h (cpp_options, include_hash, progname, definition,
12714 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12715 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12716 find_include_file, deps_output, include_hash): Constify a char*.
12718 * cppmain.c (progname): Constify.
12719 (main): Add prototype. Use return, not exit.
12721 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12722 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12723 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12724 check_protection): Add static prototype.
12726 (progname, recognized_macrom, recognized_extern): Constify a char*.
12727 (main): Add prototype.
12729 * gen-protos.c (progname): Constify a char*.
12731 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12733 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12734 (init_emit_once): Add more GC roots.
12735 * except.c (mark_func_eh_entry): New function.
12736 (mark_eh_node): Mark false_label and rethrow_label.
12737 (init_eh): Add more GC roots.
12738 * function.c (free_after_compilation): Take decl as a paramter.
12739 Call free_stmt_status.
12740 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12742 * function.h (free_after_compilation): Change prototype.
12743 (free_varasm_status): Likewise.
12744 (free_emit_status): Likewise.
12745 (free_stmt_status): New function.
12746 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12747 Remove, replacing with ...
12748 (ggc_status): New structure.
12749 (ggc_chain): New variable.
12750 (init_gcc): Define.
12751 (ggc_push_context): New function.
12752 (ggc_pop_context): Likewise.
12753 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12754 (ggc_alloc_rtvec): Likewise.
12755 (ggc_alloc_tree): Likewise.
12756 (ggc_alloc_string): Likewise.
12757 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12758 (ggc_mark_tree): Give language-dependent code a chance to mark
12760 (ggc_mark_tree_varray): Handle empty arrays.
12761 (ggc_collect): Adjust for use of ggc_chain. Clear
12762 bytes_alloced_since_last_gc.
12763 * ggc.h (ggc_pop_context): New function.
12764 (ggc_push_context): Likewise.
12765 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12766 * stmt.c (free_stmt_status): New function.
12767 (init_stmt_for_function): Clear last_expr_value.
12768 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12769 Conditionalize call to ggc_collect.
12770 (main): Call init_ggc.
12771 * tree.c (push_obstacks): Do the push, even when GC'ing.
12772 (push_obstacks_nochange): Likewise.
12773 (pop_obstacks): Liekwise.
12774 * varasm.c (free_varasm_status): Take decl as a parameter.
12776 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12778 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12779 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12780 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12781 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12783 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12785 * pa/x-pa-mpeix: New file for the MPE port.
12787 * pa/quadlib.asm: New file for long double support.
12789 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12790 * configure: Rebuilt.
12792 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12794 * final.c (shorten_branches): Fix last change.
12796 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12798 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12800 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12802 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12805 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12807 * c-aux-info.c (concat): Don't define.
12809 * cccp.c (my_strerror): Likewise. All callers changed to use
12811 (do_include): Call xstrdup, not xmalloc/strcpy.
12812 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12813 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12815 * collect2.c (my_strsignal): Likewise. All callers changed to use
12817 (locatelib): Call xstrdup, not xmalloc/strcpy.
12819 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12821 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12823 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12825 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12827 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12829 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12831 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12833 (find_all_handler_type_matches): Likewise. Don't check return
12835 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12836 xmalloc, not malloc.
12837 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12839 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12840 (init_spec): Call xcalloc, not xmalloc/bzero.
12841 (set_spec): Call xstrdup, not save_string.
12842 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12843 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12844 (process_command): Call xstrdup, not save_string.
12845 (main): Call xcalloc, not xmalloc/bzero.
12847 * gcov.c (xmalloc): Don't define.
12848 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12849 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12850 (output_data): Call xcalloc, not xmalloc/bzero.
12852 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12854 * mips-tdump.c (xmalloc): Don't define.
12855 (print_symbol): Call xmalloc, not malloc.
12856 (read_tfile): Call xcalloc, not calloc.
12858 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12859 Don't define. All callers of xfree/my_strsignal changed to use
12860 free/strsignal instead.
12861 (allocate_cluster): Call xcalloc, not calloc.
12863 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12864 Fix memory leak, free allocated memory.
12866 * prefix.c (translate_name): Call xstrdup, not save_string.
12867 (update_path): Likewise.
12869 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12871 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12872 Don't define. Callers of xfree/savestring2 changed to use
12873 free/concat instead.
12875 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12876 (init_elim_table): Likewise.
12878 * resource.c (init_resource_info): Likewise.
12880 * stupid.c (stupid_life_analysis): Likewise.
12882 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12883 (open_dump_file): Call concat, not xmalloc/strcpy/...
12884 (clean_dump_file): Likewise.
12885 (compile_file): Call xstrdup, not xmalloc/strcpy.
12887 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12889 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12890 * v850.c (v850_va_arg): New.
12892 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12894 * haifa-sched.c: Tidy comments.
12896 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12898 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12899 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12900 $(out_object_file)): Depend on ggc.h.
12901 * c-common.c: Include "ggc.h".
12902 (combine_strings): If doing GC, use ggc_alloc_string.
12903 * c-decl.c: Include "ggc.h".
12904 (ggc_p): Define with value 0.
12905 (mark_binding_level): New function.
12906 (init_decl_processing): Add GC roots.
12907 (mark_c_function_context): New function.
12908 (lang_mark_false_label_stack): New function.
12909 (lang_mark_tree): New function.
12910 (lang_cleanup_tree): New function.
12911 * c-lang.c: Include "ggc.h".
12912 (lang_init): Call c_parse_init.
12913 * c-lex.c: Include "ggc.h".
12914 (check_linenum): If doing GC, don't copy filenames to permanent
12916 * c-parse.in: Include "ggc.h".
12917 (c_parse_init): New function.
12918 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12919 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12921 * except.c (mark_eh_state): Mark more state.
12922 * function.c (mark_function_state): Likewise.
12923 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12924 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12925 * toplev.c (mark_file_stack): New function.
12926 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12927 (main): Add root for input_file_stack.
12929 * i386.c: Include "ggc.h".
12930 (ix86_mark_machine_status): New function.
12931 (override_options): Set mark_machine_status.
12933 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12935 * tree.c (copy_node): Copy node contents also if doing GC.
12937 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12939 * collect2.c (scan_libraries): Fix double-thinko :-).
12941 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12943 * collect2.c (scan_libraries): Fix thinko.
12945 * cse.c (delete_trivially_dead_insns): Do not skip the last
12946 insn if it is a real insn.
12948 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12950 * Makefile.in (ggc-simple.o): Depend on hash.h.
12951 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12952 (ggc_mark_tree_varray): Likewise.
12953 (ggc_mark_tree_hash_table): Likewise.
12954 * ggc-simple.c: Include hash.h.
12955 (ggc_mark_tree_hash_table_ptr): New function.
12956 (ggc_mark_tree_hash_table_entry): Likewise.
12957 (ggc_mark_tree_hash_table): Likewise.
12958 (ggc_add_tree_hash_table_root): Likewise.
12959 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12960 rtx, when defining fields.
12962 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12964 * profile.c (output_func_start_profiler): Remove apparently
12965 nonsensical call to start_sequence.
12967 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12969 * clipper/clipper.c (clipper_va_start): Fix typos.
12971 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12972 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12973 (spur_va_arg): New stub.
12975 * configure.in: Comment out pyramid.
12977 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12979 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12980 don't conflict with the bits that win32, cygwin, and dgux
12983 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12984 Bernd Schmidt <bernds@cygnus.co.uk>
12986 * integrate.c (function_cannot_inline_p): Do not inline
12987 functions with forced labels.
12989 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12990 Bernd Schmidt <bernds@cygnus.co.uk>
12991 Mark Mitchell <mark@codesourcery.com>
12993 * Makefile.in (ggc-simple.o): Depend on varray.h.
12994 (rtl.o): Depend on ggc.h.
12995 (genattrtab.o): Depend on ggc.h.
12996 (print-tree.o): Likewise.
12997 (fold-const.o): Likewise.
12998 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12999 (make_insn_raw): Don't cache insns when GC'ing.
13000 (emit_insn_before): Likewise.
13001 (emit_insn_after): Likewise.
13002 (emit_insn): Likewise.
13003 (start_sequence): Use xmalloc to allocate the sequence_stack.
13004 (end_sequence): Add free to free it.
13005 (gen_sequence): Don't cache insns when GC'ing.
13006 (clear_emit_caches): Don't use sequence_element_free_list.
13007 (init_emit): Use xcalloc, not xmalloc+bzero.
13008 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
13009 * function.c (pop_function_context_from): Use free to free the
13010 fixup_var_refs_queue.
13011 (put_reg_into_stack): Allocate it with xmalloc.
13012 * genattrtab.c: Include ggc.h.
13013 (operate_exp): Don't use obstack_free when GC'ing.
13014 (simplify_cond): Likewise.
13015 (simplify_text_exp): Likewise.
13016 (optimize_attrs): Likewise.
13017 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
13019 (gencode): Generate a #include for ggc.h.
13020 * ggc-callbacks.c (ggc_p): Define it to zero.
13021 * ggc-none.c (ggc_p): Likewise.
13022 * ggc-simple.c: Include varray.h.
13023 (ggc_mark_tree_varray): New function.
13024 (ggc_add_tree_varray_root): Likewise.
13025 (ggc_mark_tree_varray_ptr): Likewise.
13026 * ggc.h (ggc_p): Declare.
13027 (varray_head_tag): Likewise.
13028 (ggc_add_tree_varray_root): Declare.
13029 * print-tree.c (print_node): Don't check for TREE_PERMANENT
13030 inconsistencies when GC'ing.
13031 * rtl.c: Include ggc.h.
13032 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
13033 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
13034 (rtx_free): Don't call obstack_free when GC'ing.
13035 * toplev.c (rest_of_compilation): Call ggc_collect after every
13037 * tree.c (push_obstacks): Do nothing, if GC'ing.
13038 (pop_obstacks_nochange): Likewise.
13039 (pop_obstacks): Likewise.
13040 (make_node): Use ggc_alloc_tree when GC'ing.
13041 (copy_node): Likewise.
13042 (get_identifier): Use ggc_alloc_string when GC'ing.
13043 (build_string): Likewise.
13044 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
13045 (tree_cons): Likewise.
13046 (build1): Likewise.
13047 (type_hash_canon): Don't call obstack_free when GC'ing.
13049 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
13051 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
13052 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
13054 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
13055 Bernd Schmidt <bernds@cygnus.co.uk>
13056 Mark Mitchell <mark@codesourcery.com>
13058 * Makefile.in (stor-layout.o): Depend on ggc.h.
13059 (expr.o): Depend on ggc.h.
13060 (profile.o): Depend on ggc.h.
13061 (stor-layout.o): Depend on ggc.h.
13062 * emit-rtl.c (init_emit_once): Add gc roots.
13063 * expr.c: Include ggc.h.
13064 (emit_block_move): Add gc roots.
13065 (clear_storage): Likewise.
13066 * expr.h (init_stor_layout_once): New function.
13067 * profile.c: Include ggc.h.
13068 (init_arc_profiler): profiler_label is a root.
13069 * scan.c (make_sstring_space): Trust xrealloc to function
13070 correctly with first parameter NULL.
13071 * stor-layout.c: Include ggc.h.
13072 (set_sizetype): Add gc root.
13073 (init_stor_layout_once): New function.
13074 * toplev.c (compile_file): Call it.
13076 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
13077 Bernd Schmidt <bernds@cygnus.co.uk>
13078 Mark Mitchell <mark@codesourcery.com>
13080 * Makefile.in (tree.o): Depend on ggc.h.
13081 (varasm.o): Likewise.
13082 (function.o): Likewise.
13083 (stmt.o): Likewise.
13084 (except.o): Likewise.
13085 (optabs.o): Likewise.
13086 (emit-rtl.o): Likewise.
13087 * emit-rtl.c: Include ggc.h.
13088 (sequence_element_free_list): Remove, and all references.
13089 (mark_sequence): New functions.
13090 (mark_emit_state): New function.
13091 * except.c: Include ggc.h.
13092 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
13093 (mark_tree_label_node): New functions.
13094 (mark_eh_state): New function.
13095 * function.c: Include ggc.h.
13096 (mark_temp_slot, mark_function_chain): New functions.
13097 (mark_function_state): New function.
13098 (init_function_once): New function.
13099 * function.h (init_function_once): New function.
13100 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
13101 * ggc.h (label_node): Declare.
13102 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
13103 (lang_mark_false_label_stack): New function.
13104 (mark_temp_slot): Remove declaration.
13105 (mark_function_chain): Likewise.
13106 (mark_eh_state): Adjust prototype.
13107 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
13109 * optabs.c: Include ggc.h.
13110 (mark_optab): New function.
13111 (init_optabs): Add gc roots.
13112 * stmt.c: Include ggc.h.
13113 (mark_cond_nesting, mark_loop_nesting): New functions.
13114 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
13115 (mark_stmt_state): New function.
13116 * toplev.c (compile_file): Call init_function_once.
13117 * tree.c: Include ggc.h.
13118 (type_hash): Move declaration earlier in file.
13119 (TYPE_HASH_SIZE, type_hash_table): Likewise.
13120 (init_obstacks): Add gc roots.
13121 (mark_type_hash): New function.
13122 * varasm.c: Include ggc.h.
13123 (mark_pool_constant): New function.
13124 (mark_varasm_state): New function.
13126 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13128 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
13130 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13132 * c-decl.c (struct language_function): Renamed from struct c_function.
13134 (c_function_chain): Delete.
13135 (push_c_function_context): New arg F. Don't warn about nested
13136 functions here. Fill LANGUAGE elt of F. Delete code to update
13137 c_function_chain. Don't call push_function_context.
13138 (pop_c_function_context): New arg F. Restore from there instead of
13139 from c_function_chain. Don't call pop_function_context. Clear out
13140 LANGUAGE field of F when done.
13141 * c-lang.c: Include "function.h"
13142 (lang_init): Initialize save_lang_status and restore_lang_status.
13143 * c-parse.in (nested_function, nested_function_notype): Warn about
13144 nested functions. Call push_function_context/pop_function_context
13145 instead of the _c_ variants.
13146 * c-tree.h (push_c_function_context, pop_c_function_context): Update
13148 * Makefile.in (c-lang.o): Update dependencies.
13150 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
13151 regno_pointer_flag, regno_pointer_align.
13152 (gen_reg_rtx): Use xrealloc to enlarge them.
13153 (free_emit_status): New function.
13154 * function.c (mark_machine_status, mark_lang_status): New variables.
13155 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
13156 in some bits from assign_stack_local. All callers changed to use new
13158 (assign_stack_local): Just call assign_stack_local_1.
13159 (free_after_compilation): New function.
13160 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
13161 (trampoline_address): Likewise.
13162 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
13163 (prepare_function_start): Explicitly clear some more variables.
13164 * function.h (struct function): New elt can_garbage_collect.
13165 (mark_machine_status, mark_lang_status): Declare variables.
13166 (free_after_compilation, free_emit_status, free_varasm_status,
13167 init_varasm_status): Declare functions.
13168 * toplev.c (rest_of_compilation): Call free_after_compilation when
13169 done with the current function.
13170 * varasm.c (free_varasm_status): New function.
13172 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
13174 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
13175 (EXPAND_BUILTIN_VA_ARG): Define.
13176 * sparc.c (sparc_va_start): New.
13177 (sparc_va_arg): New.
13179 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13181 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
13183 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13185 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
13187 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
13189 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
13190 (OBJS): Add $(GGC).
13191 (ggc-callbacks.o): New target.
13192 * ggc-callbacks.c: New file.
13194 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13196 * expr.h: Collapse individual optab and libfunc vars to arrays.
13197 (optab_index, libfunc_index): New enumerations.
13198 (optab_table, libfunc_table): New arrays.
13199 Add accessor macros for both.
13201 * optabs.c (optab_table, libfunc_table): New.
13202 Delete declarations for individual optab and libfunc vars.
13204 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
13206 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
13208 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
13210 * Makefile.in (GGC, GGC_LIB): New.
13211 (HOST_RTL): Include ggc-none.o.
13212 (ggc-simple.o): New target.
13213 (ggc-none.o): Likewise.
13214 * tree.h (tree_common): Add gc_mark.
13215 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
13216 (struct rtvec_def): Add gc_mark.
13217 * emit-rtl.c (global_rtl): Update static initializers to contain
13218 enough initializers.
13219 * ggc.h, ggc-none.c, ggc-simple.c: New files.
13220 * toplev.c (gc_time): New variable.
13221 (all_time): New variable.
13222 (compile_file): Print gc time.
13223 (print_time): Calculate percentage of the whole.
13225 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13227 Change obstack memory management and varasm constant pool handling so
13228 that nested functions are treated like any other functions.
13229 * function.c (init_machine_status): New variable.
13230 (push_function_context_to): Set contains_functions for the outer
13231 function. Don't call save_varasm_status.
13232 (pop_function_context_from): Don't call restore_varasm_status. Don't
13233 set current_function_contains_functions.
13234 (prepare_function_start): Call init_varasm_status rather than
13235 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
13237 * function.h (struct function) Add field varasm. Delete fields
13238 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
13239 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
13240 (init_machine_status): Declare.
13241 (save_varasm_status, restore_varasm_status): Delete declarations.
13242 (save_tree_status, restore_tree_status): Delete last argument.
13243 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
13244 code. All callers changed.
13245 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
13246 save_constants_in_decl_trees, restore_constants, save_constants,
13247 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
13249 (inlining): New variable.
13250 (reg_map, label_map, insn_map, orig_asm_operands_vector,
13251 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
13253 (save_for_inline_nocopy): Don't save constants.
13254 Don't set inl_emit field in current_function.
13255 (expand_inline_function): Use emit field, not inl_emit, of the inlined
13256 function. Set new variable inlining before
13257 calling copy_rtx_and_substitute.
13258 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
13259 constant pool references if inlining is nonzero.
13260 Delete ADDRESS and (most of the) CONST cases.
13261 (output_inline_function): Save and restore current_function/
13262 current_function_decl. Delete restore_constants code. Don't call
13263 init_const_rtx_hash_table.
13264 * output.h (init_const_rtx_hash_table): Don't declare.
13265 * rtl.h (struct function): Declare.
13266 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
13267 * toplev.c (rest_of_compilation): Don't treat nested functions or
13268 functions containing them specially. Delete all code to deal with
13269 save_for_inline_copying.
13270 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
13271 inline_obstacks): Delete variables.
13272 (save_tree_status): Lose arg CONTEXT. All callers changed.
13273 Simply allocate a new function_maybepermanent_obstack for the new
13274 function, delete all the special cases.
13275 Don't save inline_obstacks.
13276 (restore_tree_status): Lose arg CONTEXT. All callers changed.
13277 Delete special handling for function_maybepermanent_obstack; simply
13279 Don't restore inline_obstacks.
13280 (permanent_allocation): Delete code that frees inline_obstacks.
13281 (print_inline_obstack_statistics): Delete function.
13282 (dump_tree_statistics): Don't call it.
13283 * varasm.c (struct varasm_status): New.
13284 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
13285 last_pool, pool_offset, const_double_chain): Delete global
13286 variables, replace with accessor macros.
13287 (immed_double_const): Don't walk const_double_chain outside a
13288 function, but don't treat nested functions specially anymore.
13289 (immed_real_const_1): Likewise.
13290 (clear_const_double_mem): Don't treat nested functions specially.
13291 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
13292 (save_varasm_status, restore_varasm_status): Delete functions.
13293 (init_varasm_status): New function.
13294 (force_const_mem): Don't treat nested functions specially.
13295 (find_pool_constant): Accept new arg F, search for constants in
13296 that function's pool rather than the current one. All callers
13298 (get_pool_constant_for_function, get_pool_mode_for_function): New
13301 * i386.c (init_386_machine_status): New function, mostly from
13302 clear_386_stack_locals.
13303 (struct machine_functions): Rename element names to avoid name
13305 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
13306 macros, replacing global variables.
13307 (clear_386_stack_locals, save_386_machine_status,
13308 restore_386_machine_status): Delete functions.
13309 (override_options): Initialize init_machine_status.
13310 * i386.h (INIT_EXPANDERS): Delete macro.
13311 (save_386_machine_status, restore_386_machine_status,
13312 clear_386_stack_locals): Delete declarations.
13314 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13316 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
13317 (doloop_begin): Simplify pattern and use emit_jump_insn.
13318 (doloop_end): Simplify pattern, switch operand order,
13319 and use emit_jump_insn.
13321 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13323 * function.h (struct function): Add new element LANGUAGE.
13324 (save_lang_status): Declare new variable.
13325 (restore_lang_status): Likewise.
13326 * function.c (save_lang_status): Define.
13327 (restore_lang_status): Likewise.
13328 (push_function_context_to): Call language-specific save function.
13329 (pop_function_context_from): Call language-specific restore function.
13331 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13333 * i386.md (movsf_1): Check REG_P before use of REGNO.
13334 (movdf_1): Likewise.
13335 (movxf_1): Likewise.
13336 (extendsfdf2): Likewise.
13337 (extendsfxf2): Likewise.
13338 (extenddfxf2): Likewise.
13340 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13342 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
13343 constants into memory.
13344 (c4x_shiftable_constant): New function.
13345 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
13346 (c4x_shiftable_constant): Declare.
13347 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
13348 ashlqi3_noclobber): Add new patterns and associated splitters.
13350 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
13352 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
13353 * dwarf2out.c (dwarf2out_frame_init): Likewise.
13354 * final.c (shorten_branches): Likewise.
13355 * global.c (global_alloc): Likewise.
13356 * haifa-sched.c (build_control_flow): Likewise.
13357 * stmt.c (check_for_full_enumeration_handling): Likewise.
13358 (estimate_case_costs): Likewise.
13360 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
13362 * rtl.h (RTL_CHECKC2): Fix typo in last change.
13364 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
13366 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
13367 (recompute_reg_usage): Likewise.
13368 * rtlanal.c (find_regno_fusage): Likewise.
13370 * rtl.c (rtl_check_failed_code1): New function.
13371 (rtl_check_failed_code2): New.
13372 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
13373 (RTL_CHECKC1, RTL_CHECKC2): New.
13374 (XC*): New accessor macros.
13375 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
13376 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
13377 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
13378 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
13379 (TRAP_*, RANGE_INFO_*): Likewise.
13381 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13383 * Makefile.in (tlink.o): Don't depend on toplev.h.
13385 * collect2.c (c_file, o_file, export_file, import_file, ldout,
13386 output_file, nm_file_name, ldd_file_name, strip_file_name,
13387 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
13388 add_prefix, prefix_from_env, prefix_from_string, do_wait,
13389 fork_execute, maybe_unlink, add_to_list,
13390 extract_init_priority, write_list, dump_list,
13391 dump_prefix_list, write_list_with_asm, write_c_file,
13392 write_c_file_stat, write_c_file_glob, scan_prog_file,
13393 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
13394 ignore_library, extract_string, notice, dump_file, target_machine,
13395 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
13396 read_file, print_load_command): Constify a char*.
13397 (fdopen, error, fatal, fatal_perror): Don't prototype.
13398 (my_strerror): Remove. All callers use xstrerror instead.
13399 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
13400 (main): Add prototype. Constify lots of char* ptrs. Change calls
13401 to xcalloc/strcpy/strcat/... to one call to concat.
13402 (main, scan_prog_file, scan_libraries): Use an intermediate
13403 `const char **' to build an argv array.
13404 (mapfile, libselect, libcompare, locatelib): Add prototypes.
13406 * collect2.h (collect_execute, collect_wait, dump_file,
13407 file_exists): Constify a char*.
13408 (ldout, c_file_name, temporary_obstack, permanent_obstack,
13409 temporary_firstobj, vflag, debug): Add extern declarations.
13410 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
13412 * tlink.c: Don't include toplev.h.
13413 (vflag, debug, ldout, c_file_name, temporary_obstack,
13414 permanent_obstack, temporary_firstobj): Don't declare.
13415 (tlink_execute, frob_extension, symbol_hash_lookup,
13416 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
13417 recompile_files, read_repo_files, demangle_new_symbols,
13418 scan_linker_output): Constify a char*.
13419 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
13420 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
13422 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
13424 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
13425 (relative) rather than jsr (absolute) subroutine call insns.
13426 * config/m68k/m68k-coff.h: Ditto.
13428 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
13430 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
13431 now rework these too.
13432 (arm_reorg): If an insn can't reach the end of the current pool,
13433 ensure that we emit that pool before the insn.
13435 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
13437 * tlink.c (scan_linker_output): Skip the initial underscore in
13438 a mangled name if appropriate.
13440 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13442 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
13443 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
13444 error_with_ivar, gen_declarator, create_builtin_decl,
13445 my_build_string, generate_descriptor_table, generate_ivars_list,
13446 generate_dispatch_table, check_protocols, TAG_GETCLASS,
13447 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
13448 dump_base_name, lang_decode_option, build_encode_expr,
13449 start_class, finish_class, encode_pointer, really_start_method,
13450 gen_declaration, dump_interface, handle_class_ref, handle_impent):
13452 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
13453 Add static prototypes.
13454 (build_objc_string_decl, build_selector_reference_decl,
13455 encode_bitfield, build_class_reference_decl): Remove unused
13456 parameter, all callers changed.
13457 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
13458 (objc_printable_name): Likewise. Change second parameter to type int.
13459 (init_objc): Use memcpy, not bcopy, to avoid casts.
13461 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
13463 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
13464 reg notes on a deleted insn.
13465 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
13467 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
13469 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
13471 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13473 * stmt.c (expand_asm_operands): Fix index into inout_mode when
13476 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
13478 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
13479 * tm.texi (MD_ASM_CLOBBERS): Document it.
13481 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
13483 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
13484 * except.c (expand_rethrow): Remove unused variable.
13485 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
13486 * flow.c (replace_insns): Likewise.
13487 (create_edge_list, verify_edge_list): Likewise.
13488 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
13490 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
13491 is special code to run.
13492 (main): Don't define operands to emit_operand.
13493 * genrecog.c (main): Don't emit an empty peephole2_insn function.
13495 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
13497 * alpha/alpha.h (normal_memory_operand): Declare.
13498 (reg_no_subreg_operand): Declare.
13499 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
13501 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
13503 * c-parse.in (compstmt_primary_start): New, broken out of first
13504 part of compstmt handling in primary.
13505 (primary): Use it. Add an error clause.
13506 (compstmt_nostart): Renamed from compstmt; remove all
13507 initial invocations of compstmt_start.
13510 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
13512 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
13515 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
13517 * combine.c (simplify_shift_const): Remove extra semicolon.
13518 * dwarf2out.c (remove_AT): Likewise.
13519 * expmed.c (expand_mult): Likewise.
13520 * gcov.c (create_program_flow_graph): Likewise.
13521 * reorg.c (mostly_true_jump): Likewise.
13523 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
13525 * fold-const.c (fold_range_test): Do not try to fold the range
13526 test if the rhs or lhs has side effects.
13528 * combine.c (simplify_rtx): Recognize another case of a synthesized
13531 * varasm.c (mark_constant_pool): When marking indirect references,
13532 only look at SYMBOL_REFs.
13534 * except.c (expand_fixup_region_end): Do not peek at
13535 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
13537 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
13539 * flags.h: New variables align_loops, align_loops_log,
13540 align_jumps, align_jumps_log, align_labels, align_labels_log,
13541 align_functions, align_functions_log.
13542 * toplev.c: Define them.
13543 (f_options): Handle -falign-* when they have no argument.
13544 (main): Add logic to set variables for -falign-functions,
13545 -falign-jumps, -falign-labels, -falign-loops.
13546 Make it -fsched-verbose=<n> and -finline-limit=<n>.
13547 (display_help): Change help to match options.
13548 * final.c (LABEL_ALIGN): Default to align_labels_log.
13549 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
13550 (LOOP_ALIGN): Default to align_loops_log.
13551 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
13552 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
13553 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
13554 * varasm.c (assemble_start_function): Handle align_functions.
13556 * config/sparc/sparc.h: Don't declare sparc_align_*.
13557 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
13558 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
13560 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
13562 * config/sparc/sparc.c: Delete sparc_align_loops,
13563 sparc_align_jumps, sparc_align_funcs and the corresponding string
13565 (sparc_override_options): Default align_functions on ultrasparc.
13566 Delete -malign-* handling.
13568 * config/mips/mips.c (override_options): On 64-bit targets,
13569 try to align code to 64-bit boundaries.
13570 (print_operand): New substitution, %~,
13571 which aligns labels to align_labels_log.
13572 * config/mips/mips.md (div_trap_normal): Use %~.
13573 (div_trap_mips16): Likewise.
13575 (absdi2): Likewise.
13576 (ffssi2): Likewise.
13577 (ffsdi2): Likewise.
13578 (ashldi3_internal): Likewise.
13579 (ashrdi3_internal): Likewise.
13580 (lshrdi3_internal): Likewise.
13581 (casesi_internal): Likewise.
13583 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
13585 Merge new ia32 backend from the branch!
13587 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
13588 See ChangeLog.P2 on new_ia32_branch for details.
13590 * rtl.h (stack_regs_mentioned_p): Delete prototype.
13591 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
13592 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
13593 * i386/gas.h (ASM_FILE_START): Define.
13594 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
13595 for name change of ix86_valid_decl_attribute_p.
13596 (i386_pe_valid_type_attribute_p): Similarly.
13598 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
13600 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
13601 to step through CC modes.
13603 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13605 * regmove.c (fixup_match_1): Don't move INSN in front of P if
13606 it would end up in the shadow of a live flags regsiter.
13608 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13610 * reload1.c: Fix many indentation problems.
13611 * reload.c: Likewise.
13613 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
13615 * alias.c (non_local_reference_p): Constify fmt.
13617 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
13619 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
13621 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
13623 * cse.c (delete_trivially_dead_insns): Do not delete stores to
13624 the internal_arg_pointer.
13626 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
13628 Merge peephole2 from new_ia32_branch:
13629 * Makefile.in (STAGESTUFF): Add *.peephole2.
13630 (mostlyclean): Likewise.
13631 (recog.o): Depend on resource.h.
13633 * final.c (peephole): Conditionalize decl on HAVE_peephole.
13634 (final_scan_insn): Likewise for the invocation of peephole.
13635 * genconfig.c (main): Look for peephole and peephole2 patterns.
13636 Emit HAVE_peephole* accordingly.
13637 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
13638 * flags.h (flag_peephole2): Declare.
13639 * toplev.c: New pass peephole2. New flag -fpeephole2.
13641 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
13642 * gencodes.c (main): Likewise.
13643 * genextract.c (main): Likewise.
13644 * genoutput.c (main): Likewise.
13645 * genemit.c (max_operand_1): Look for the max scratch operand.
13646 (gen_rtx_scratch): New.
13647 (gen_exp): Use it, and pass on new arg subroutine_type.
13648 (gen_expand): Take max scratch into account.
13649 (gen_split): Emit peephole2 functions.
13650 (output_peephole2_scratch): New.
13651 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
13652 * genrecog.c (routine_type): Add PEEPHOLE2.
13654 (make_insn_sequence): Match outer parallel for peep2. Discard
13655 top level scratches and dups.
13656 (add_to_sequence): New args insn_type and top. Update all callers.
13657 Handle toplevel peep2 matching insns.
13658 (write_subroutine): Handle peep2.
13659 (write_tree_1): Likewise.
13660 (write_tree): Likewise.
13662 (change_state): New arg afterward. Update all callers.
13663 Handle matching separate insns.
13664 * recog.c (recog_next_insn): New.
13665 (peephole2_optimize): New.
13666 * rtl.def (DEFINE_PEEPHOLE2): New.
13667 * resource.c (find_free_register): New argument last_insn. Use it
13668 to find a register available through the entire span.
13669 * resource.h (find_free_register): Update prototype.
13671 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
13673 * i386.c (output_strlen_unroll): Don't write xops[7]
13674 label if it wasn't set.
13676 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
13678 * cpplib.c (struct directive): Const-ify name pointer and
13679 function pointer prototype.
13680 (validate_else, do_define, do_line, do_include, do_undef,
13681 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13682 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13683 do_warning): Const-ify second arg.
13684 (directive_table): Mark const. Reorder entries by frequency
13685 of usage, record statistics.
13687 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13689 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13690 bounds- check RTL accesses if --enable-checking.
13691 (RTVEC_ELT): Bounds check if --enable-checking.
13692 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13693 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13694 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13696 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13697 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13699 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13700 (NOTE_SOURCE_FILE): Use X0STR.
13701 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13702 MEM_ALIAS_SET): Use X0INT.
13703 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13704 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13706 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13707 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13708 (rtl_check_failed_bounds, rtl_check_failed_type1,
13709 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13711 (fancy_abort): Fix comment.
13713 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13714 (cse_insn): Decrement LABEL_NUSES for jump target before
13715 deleting jump insn.
13716 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13717 * final.c (alter_subreg): Compute regno before changing x to
13718 REG; set REGNO(x) after changing it.
13719 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13720 notes containing CONST_INTs.
13721 (delete_eh_regions): Use NOTE_EH_HANDLER.
13722 * function.c (put_reg_into_stack): Make reg a MEM before
13724 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13726 (gen_mem_addressof): Make reg a MEM before initializing it.
13727 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13729 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13730 deleting an insn, not after.
13731 (block_alloc): Only look at PATTERN(insn) if we have to, and
13732 only if it's format class 'i'.
13733 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13734 CONST_INT before using its INTVAL.
13735 * print-rtl.c (print_rtx): Use X0STR.
13736 * regmove.c (fixup_match_1): Don't look at PATTERN of
13737 non-class-'i' insn chain elements.
13738 * reload.c (loc_mentioned_in_p): Take address of
13739 in->fld[1].rtx directly.
13740 * reload1.c (reload): Change reg to a MEM before initializing
13742 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13744 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13746 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13748 * config/mips/mips.c (machine_dependent_reorg): Force a
13749 barrier to output the local constant pool if a barrier hasn't
13750 been found at a natural point in the instruction stream.
13752 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13754 * c-parse.in (language_string): Constify.
13756 * dwarf2out.c (language_string): Remove declaration.
13758 * dwarfout.c (language_string): Likewise.
13760 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13762 * tree.h (language_string, init_parse, finish_parse): Declare.
13764 * i386/sun386.h (language_string): Remove declaration.
13766 * mips.h (language_string): Likewise.
13768 * nextstep.h (language_string): Likewise.
13770 * nextstep21.h (language_string): Likewise.
13772 * rs6000.c (language_string): Likewise.
13774 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13776 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13777 (getpwd.o): Remove target.
13779 * getpwd.c: Delete file. Its in libiberty now.
13781 * dbxout.c (getpwd): Don't prototype.
13782 * dwarf2out.c (getpwd): Likewise
13783 * dwarfout.c (getpwd): Likewise
13784 * final.c (getpwd): Likewise.
13785 * protoize.c (getpwd): Likewise.
13787 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13789 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13791 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13793 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13794 mark_set_resources.
13796 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13798 * fixinc/Makefile.in (subdir): New.
13799 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13802 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13804 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13805 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13808 * invoke.texi: Fix typo.
13810 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13811 changed. Handle autoincrement addressing modes.
13813 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13814 just like we would the virtual incoming args register when
13817 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13819 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13820 path, in .file directive.
13822 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13824 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13827 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13829 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13832 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13834 * tree.c (tree_code_name): Constify a char*.
13836 * tree.h (tree_code_name, decl_printable_name): Likewise.
13838 * function.h (struct function): Likewise.
13840 * toplev.c (decl_name, decl_printable_name): Likewise.
13842 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13844 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13845 (init_objc): Remove function pointer cast.
13847 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13849 * pa.md (interspace_jump): New pattern.
13850 (builtin_longjmp): New expander.
13852 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13854 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13855 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13856 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13858 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13860 * jump.c (delete_prior_computation): Also check calls
13861 to constant functions. Don't bother checking for a
13862 REG_UNUSED note before adding it.
13863 (delete_computation): Handle multi-word hard registers
13864 when synthesizing missing REG_DEAD notes for a register
13865 which is both set and used by an insn.
13867 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13869 * loop.c (this_loop_info): New variable.
13870 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13871 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13873 (prescan_loop, strength_reduce): New argument loop_info. All callers
13875 (scan_loop): New variable loop_info, initialise to address of
13877 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13878 Delete variable loop_has_multiple_exit targets and replace with
13879 field in this_loop_info.
13880 (find_and_verify_loops): Rename this_loop to this_loop_num.
13881 (strength_reduce): Delete loop_iteration_info. Replace variable
13882 loop_info with function argument of same name.
13883 (insert_bct): Rework test for loop being completely unrolled.
13885 * loop.h (struct loop_info): New fields num, loops_enclosed,
13886 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13887 has_indirect_jump, and cont. Redefine use of unroll_number.
13888 (loop_unroll_number): Delete.
13890 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13891 field of loop_info.
13892 (loop_iterations): Delete variable vtop and instead use
13893 loop_info->vtop computed in prescan_loop.
13895 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13897 * fix-header.c (main): Do not pass a null pointer to strcmp.
13899 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13901 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13903 * configure: Rebuilt.
13905 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13907 * jump.c (jump_optimize_1): Do not delete assignments to
13908 internal_arg_pointer.
13909 * cse.c (delete_trivially_dead_insns): Always consider a set of
13910 the internal_arg_pointer live.
13912 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13914 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13915 (update_life_info) [REG_WAS_0]: Search the original insns rather
13916 than the new insns for the note. Fix typos finding note_dest.
13917 If no dest found, discard the note rather than abort.
13918 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13919 (replace_insns): Remove the old insn list after update_life_info
13922 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13924 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13925 sched_analyze_insn.
13926 (sched_analyze_1): Let add_dependence care for not adding dups.
13927 (sched_analyze_2): Likewise.
13928 (add_branch_dependences): Likewise.
13930 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13932 * i386/winnt.c (export_list): New type.
13933 (exports_head): Rename to
13934 (export_head): this.
13935 (i386_pe_record_exported_symbol): Add is_data flag.
13936 (i386_pe_asm_file_end): Emit directive for exported variables.
13937 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13939 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13940 (ASM_DECLARE_OBJECT_NAME): Likewise.
13941 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13942 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13944 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13946 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13948 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13951 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13953 * config/openbsd.h: Define SET_ASM_OP.
13954 * tm.texi: cross-reference SET_ASM_OP in the index.
13956 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13958 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13959 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13960 and class_narrowest_mode at compile time. Kill init_rtl.
13961 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13962 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13963 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13965 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13967 * rtl.h: Declare rtx_length and rtx_format as const.
13968 * machmode.def: Define CC(). Use CC() to define CCmode. If
13969 EXTRA_CC_MODES is defined, expand it here.
13970 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13971 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13972 const. Kill all references to EXTRA_CC_MODES.
13974 * toplev.c: Don't prototype or call init_rtl.
13975 * optabs.c: Don't call init_mov_optab.
13976 * genemit.c: Don't generate init_mov_optab. Don't call
13978 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13980 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13981 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13982 genrecog.c: Don't call init_rtl.
13984 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13985 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13986 definition of EXTRA_CC_MODES.
13988 * md.texi: Kill ref to EXTRA_CC_NAMES.
13989 * tm.texi: Document new way to define EXTRA_CC_MODES.
13991 * genrecog.c: Do not look up the name of a define_split.
13992 (Unrelated bugfix.)
13994 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13996 * config/v850/v850.md: Fix typo introduced by previous delta.
13998 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14000 * gcc.c (fatal): Make definition static to match prototype.
14002 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14004 * combine.c (get_last_value): Don't look for earlier sets if the last
14005 known set is somewhere in between the insns being combined.
14007 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
14009 * configure.in: Don't use shell ! to negate exit codes
14010 * configure: Regenerate
14012 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
14014 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
14015 the fact that ALIGN is measured in bits, not bytes.
14017 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
14019 * errors.c: New file; defines functions error, warning, and
14020 fatal, variables have_error and progname.
14021 * errors.h: New file; prototypes and decls for stuff in errors.c.
14023 * Makefile: Add rules to build errors.o and
14024 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
14025 genopinit, genrecog, genextract, genpeep, genattr, and
14026 genoutput with errors.o. Add errors.h to deps of genconfig.o,
14027 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
14028 genpeep.o, genattr.o, and genoutput.o.
14030 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
14031 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
14032 define or prototype fatal. Set progname at beginning of main.
14033 * genoutput.c: Likewise, and don't define or prototype error
14036 * c-typeck.c (c_expand_start_case): Return immediately if exp
14038 * fold-const.c (operand_equal_p): Return immediately if arg1
14039 or arg0 are ERROR_MARKs.
14040 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
14041 fields of type ERROR_MARK when calculating if the record can
14044 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
14045 with much help from Jeffrey A Law and Richard Henderson
14047 * i386.md: In the 6 insns which call output_fix_trunc,
14048 earlyclobber operands[0].
14050 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
14052 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
14053 creating new registers.
14055 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
14057 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
14058 i386_reg_alloc_order, i386_regparm_string,
14059 i386_align_loops_string, i386_align_jumps_string,
14060 i386_align_funcs_string, i386_preferred_stack_boundary_string,
14061 and i386_branch_cost_string as type "const char *".
14062 * i386.c: Define all above strings as type "const char *".
14064 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
14066 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
14067 when emitting alignment padding. Emit padding byte of 0 instead of 4.
14069 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
14071 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
14072 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
14074 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
14076 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
14077 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
14078 (dwarf2out_line, dwarf2out_finish): Likewise.
14079 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
14081 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
14083 * tree.c (lang_unsave_expr_now) : Correct return type.
14084 * tree.h (lang_unsave_expr_now) : Same.
14086 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
14088 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
14089 instead of duplicating code.
14091 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14093 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
14095 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
14097 * tree.h: fancy_abort always takes three args.
14098 * resource.c: Move include of system.h before toplev.h.
14100 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
14102 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
14105 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
14107 * system.h: Don't redefine abort or trim_filename.
14108 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
14109 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
14110 whether or not __FUNCTION__ is available.
14111 * tree.h: Duplicate rtl.h's definition of abort, for files
14112 that don't include rtl.h. Delete all code to perform type
14113 checking with a compiler other than GCC.
14114 * varray.h: Delete all code to perform type checking with a
14115 compiler other than GCC. Make VARRAY_CHECK() always evaluate
14116 its arguments exactly once, using a statement expression.
14117 Adjust the VARRAY_<type> accessor macros to match.
14118 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
14119 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
14120 caller's location. Define fatal_insn and fatal_insn_not_found
14121 as macros that use _fatal_insn and _fatal_insn_not_found.
14122 (fancy_abort, trim_filename): Kill prototypes.
14124 * rtl.c (trim_filename): Move here from toplev.c.
14125 (fancy_abort): New function.
14126 (DIR_SEPARATOR): Provide default definition.
14127 * tree.c (tree_check_failed, tree_class_check_failed): Go
14128 through fancy_abort.
14129 (tree_check, tree_class_check, cst_or_constructor_check,
14130 expr_check): Delete.
14131 * varray.c (varray_check_failed): New function.
14132 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
14133 _fatal_insn and _fatal_insn_not_found. Go through
14135 (trim_filename, fancy_abort): Delete.
14137 * builtins.c (expand_builtin_args_info): Report ICE with abort.
14138 * except.c (start_catch_handler): Report ICE with error/abort
14140 * final.c (output_operand_lossage): Likewise.
14141 * flow.c (verify_flow_info): Likewise.
14143 * gcc.c: Prototype fatal.
14144 * gengenrtl.c: Undef abort after including rtl.h not system.h.
14145 * genattr.c, genattrtab.c, genemit.c, genextract.c,
14146 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
14147 Don't define fancy_abort.
14149 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
14151 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
14154 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
14156 * m88k.h (VERSION_INFO2): Kill.
14157 (VERSION_STRING): Kill.
14159 (VERSION_INFO1): Tidy.
14160 (TARGET_VERSION): Update.
14161 * m88k/dgux.h (VERSION_INFO2): Kill.
14162 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
14163 * m88k/luna.h (VERSION_INFO1): Tidy.
14164 * m88k/sysv4.h (VERSION_INFO1): Likewise.
14165 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
14166 (output_file_start): Adjust for death of VERSION_STRING.
14168 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
14170 * cpplib.c (detect_if_not_defined): New function.
14171 (do_if): Use it to detect potential once-only headers.
14173 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
14175 * c-common.c (combine_strings): Always set TREE_CONSTANT.
14177 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
14179 * combine.c (nonzero_bits) : Allow single-ly set registers to be
14180 anywere in the function only if they are pseudos and set before
14181 being used (not live at the start of the function).
14182 (num_sign_bit_copies) : Same.
14183 (get_last_value_validate) : Same.
14184 (get_last_value) : Same.
14186 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
14188 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
14189 where N and M are constant and N is an integer multiple of M.
14191 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14193 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
14194 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
14195 sbitmap_union_of_preds): Add prototypes.
14196 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
14197 the intersection of successors with the new flow graph structures.
14198 (sbitmap_intersection_of_preds): New function to compute the
14199 intersection of predecessors with the new flow graph structures.
14200 (sbitmap_union_of_succs): New function to compute the union of
14201 successors with the new flow graph structures.
14202 (sbitmap_union_of_preds): New function to compute the union of
14203 predecessors with the new flow graph structures.
14204 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
14205 (expr_reaches_here_p): Use edge and basic_block structures instead
14206 of s_preds and s_succs.
14207 (compute_cprop_avinout): Use new sbitmap routines.
14208 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
14209 of s_preds and s_succs.
14210 * flow.c (compute_flow_dominators): Compute dominators using
14211 edges and basic blocks instead of s_preds and s_succs.
14213 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14215 * lists.c (unused_insn_list, unused_expr_list): New file for
14216 maintaining various types of lists. New statics for maintaining a
14217 cache of available INSN_LIST and EXPR_LIST nodes.
14218 (free_list): Static function for freeing a list of INSN/EXPR nodes.
14219 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
14220 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
14221 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
14222 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
14223 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
14224 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
14225 (free_INSN_LIST_node): Free an individual INSN_LIST node.
14226 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
14227 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
14228 (remove_dependence, free_pending_lists): Use new global routines.
14229 (flush_pending_lists, sched_analyze_insn): Use new global routines.
14230 (sched_analyze, compute_block_backward_dependences): Use new routines.
14231 (sched_analyze_1, sched_analyze_2): Use new routines.
14232 (schedule_insns): Use new global routines.
14233 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
14235 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
14236 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
14238 * toplev.c (rest_of_compilation): Initialize node cache.
14239 * Makefile.in (OBJS): Add lists.o to list of object files.
14240 (lists.o): Add dependancies.
14242 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
14244 * config/v850/v850.md: Fix compile time warning messages.
14245 * config/v850/v850.c: Fix compile time warning messages.
14246 * config/v850/v850.h: Fix compile time warning messages.
14248 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14250 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
14251 Remove unused prototype for `init_lengths'.
14253 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14255 * calls.c (emit_call_1): Mark parameter `stack_size' with
14257 (expand_call): Initialize variable `insn'.
14258 (emit_library_call): Likewise for variable `high_to_save'.
14259 (emit_library_call_value): Likewise.
14260 (store_one_arg): Likewise for variables `lower_bound' and
14263 * combine.c (try_combine): Likewise for variables `i2_code_number'
14264 and `other_code_number'.
14265 (find_split_point): Likewise for variables `pos', `unsignedp' and
14267 (simplify_if_then_else): Likewise for variables `op' and `c1'.
14268 (simplify_and_const_int): Remove unused variable `width'.
14269 (merge_outer_ops): Likewise.
14271 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
14272 HOST_WIDE_INT' when comparing against one.
14273 (simplify_relational_operation): Likewise.
14274 (cse_insn): Initialize variables `src_eqv_volatile',
14275 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
14277 * final.c (init_final): Constify parameter `filename'.
14278 (final_start_function): Mark parameter `optimize' with
14280 (profile_function): Likewise for parameters `first' and `optimize'.
14281 (output_source_line): Likewise for parameter `file'.
14283 * integrate.c (subst_constants): Cast a value to `size_t' when
14284 comparing against one.
14285 (mark_stores): Initialize variable `mode'. Cast a value to
14286 `size_t' when comparing against one.
14288 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
14290 * loop.c (move_movables): Initialize variable `first'.
14291 (strength_reduce): Likewise for variable `increment'.
14292 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
14293 value to `size_t' when comparing against one.
14294 (load_mems): Initialize variable `end_label'.
14296 * output.h (init_final): Constify parameter.
14298 * reload.c (decompose): Initialize variable `base'.
14300 * reload1.c (reload): Likewise for variable `is_scalar'.
14301 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
14302 (choose_reload_regs): Initialize variable `mode'.
14303 (emit_reload_insns): Likewise for variable `store_insn'.
14304 (reload_cse_noop_set_p): Mark parameter `insn' with
14306 (reload_combine): Initialize variable `set'.
14308 * unroll.c (unroll_loop): Likewise for variable `local_label'.
14309 (copy_loop_body): Cast a value to `size_t' when comparing against
14312 * varasm.c (assemble_variable): Initialize variable `size_tree'.
14313 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
14314 (remove_from_pending_weak_list): Mark parameter `name' with
14317 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14319 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
14322 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
14324 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
14325 (ASM_DECLARE_FUNCTION_NAME): Define.
14326 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
14327 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
14328 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
14329 not already defined.
14331 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
14333 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
14334 of n_popped when call/call_value are not defined.
14336 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
14338 * tm.texi: GNU CC -> GCC conversion.
14339 (CC1_SPEC): Indicate it is used for all language front ends.
14341 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
14343 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
14344 NOTE_INSN_EH_REGION_END correctly.
14346 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14347 Jeff Law <law@cygnus.com>
14349 * loop.c (strength_reduce): Automatically unroll loops if the
14350 unrolled loop size is smaller than the rolled loop size.
14352 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
14353 and delete comment that code should be rewritten.
14355 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
14357 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
14360 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
14362 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14364 * fixinc/mkfixinc.sh: Don't fix uwin headers.
14365 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
14366 (LINK_SPEC): Add -u _main when building executables.
14367 (ASM_DECLARE_FUNCTION): Update from Cygwin.
14368 (ASM_FILE_END): Use the default for ix86-pe.
14369 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
14371 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
14373 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
14374 and ASM_CLOSE_PAREN are empty strings.
14376 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
14377 Geoffrey Keating <geoffk@cygnus.com>
14379 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
14380 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
14381 (unprotoize.o): Ditto.
14382 (test-protoize-simple): Don't define STD_PROTO_DIR.
14383 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
14384 changes to make 'test-protoize-simple' pass.
14385 (STD_PROTO_DIR): Remove define.
14386 (STANDARD_EXEC_PREFIX): Supply default define.
14387 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
14388 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
14389 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
14390 (GET_ENV_PATH_LIST): New macro.
14391 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
14392 (do_processing): Initialize default_syscalls_dir using new
14393 macros. Use it to initialize syscalls_absolute_filename.
14395 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
14397 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
14398 B into a register before emit_conditional_move.
14400 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
14402 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
14403 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
14404 multiplicand out of (+ (* a b) (* c d)).
14406 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
14407 Richard Henderson <rth@cygnus.com>
14409 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
14410 (new_insn_dead_notes): Likewise.
14411 (update_n_sets): Likewise.
14412 (update_flow_info): Move to flow.c, renamed to update_life_info;
14413 extend to handle multiple source insns.
14414 * flow.c: Include resource.h
14415 (unlink_insn_chain): New.
14416 (split_hard_reg_notes): New.
14417 (maybe_add_dead_note): New.
14418 (maybe_add_dead_note_use): New.
14419 (find_insn_with_note): New.
14420 (new_insn_dead_notes): New.
14421 (update_n_sets): New.
14422 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
14423 (maybe_remove_dead_notes): New.
14424 (update_life_info): New.
14425 (prepend_reg_notes): New.
14426 (replace_insns): New.
14427 * output.h (update_life_info): Declare.
14428 * recog.c (split_block_insns): Use update_life_info.
14429 * resource.c (find_free_register): Use reg_alloc_order, don't use
14430 fixed regs, make sure the mode is supported, don't use new regs.
14432 * rtl.h (replace_insns): Declare.
14434 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
14436 * expr.c (expand_expr): Cope with COND_EXPRs with one
14437 non-returning branch.
14439 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
14441 * expr.c (store_expr): Always pass down the target, even when not
14444 1999-08-24 Nick Clifton <nickc@cygnus.com>
14446 * configure.in: Define target_cpu_default for v850 targets.
14447 * configure: Regenerate
14449 * config/v850/v850.h (TARGET_CPU_generic): Define.
14450 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
14451 addresses are 4 byte aligned.
14453 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
14456 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14458 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
14459 (main): Add prototypes.
14461 * genattrtab.c (substitute_address, write_const_num_delay_slots,
14462 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
14463 (write_attr_get): Emit prototypes along with function definition.
14464 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
14465 (write_complex_function): Emit static prototype along with
14466 function definition.
14468 * genemit.c (gen_split): Emit prototypes along with function
14471 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
14472 Likewise for predicates and `insn_operand_predicate'.
14473 (process_template): Emit static prototype along with function
14476 * genrecog.c (make_insn_sequence): Constify a char*. Add
14477 prototypes for get_split_*().
14478 (write_subroutine): Emit prototypes along with function
14481 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14483 * gcse.c (find_avail_set): Follow chains of register-register copies.
14484 Use oprs_not_set_p to guarantee that the returned value can be
14486 (cprop_insn): Don't verify the return value of find_avail_set with
14489 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
14490 (cprop_cc0_jump): New function.
14491 (cprop_insn): Break out new function cprop_jump and use it.
14492 Also use cprop_cc0_jump for machines with CC0.
14493 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
14495 * tree.h (current_function_calls_setjmp,
14496 current_function_calls_longjmp): Delete declarations.
14497 * dsp16xx.c: Include "function.h".
14498 * elxsi.c: Likewise.
14499 * gmicro.c: Likewise.
14500 * h8300.c: Likewise.
14501 * i370.c: Likewise.
14502 * m32r.c: Likewise.
14503 * mn10200.c: Likewise.
14504 * mn10300.c: Likewise.
14505 * ns32k.c: Likewise.
14506 * spur.c: Likewise.
14507 * v850.c: Likewise.
14509 * rtl.h (rtx_equal_function_value_matters): Declare.
14510 * toplev.c (rtx_equal_function_value_matters): Don't declare.
14512 * function.c: Likewise.
14513 * emit-rtl.c: Likewise.
14515 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
14517 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
14520 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14522 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
14525 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
14527 * cpp.texi: Add a node documenting macro varargs (copied
14530 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
14532 * cppspec.c: Put a null pointer at the end of the new argv.
14534 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
14536 * configure.in: Remove code to select/de-select the haifa
14537 scheduler. Every scheduled port gets haifa now.
14538 * configure: Rebuilt.
14539 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
14541 * Makefile.in: Corresponding changes.
14543 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14545 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
14546 All callers changed.
14547 (prepare_float_lib_cmp): Likewise.
14548 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
14549 * expr.h (emit_float_lib_cmp): Delete declaration.
14550 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
14551 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
14552 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
14554 (cmptf): Now conditional on TARGET_HARD_QUAD.
14556 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
14558 * resource.c (mark_target_live_regs): Use
14559 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
14561 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14563 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
14565 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
14567 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
14569 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14571 * rtl.h (rtx_format): Constify a char*.
14573 * rtl.c (rtx_format): Likewise.
14574 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
14575 (init_rtl): Use accessor macro, not `rtx_format'.
14577 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
14580 * caller-save.c (mark_referenced_regs): Likewise.
14582 * combine.c (subst, make_compound_operation, known_cond,
14583 gen_rtx_combine, update_table_tick, get_last_value_validate,
14584 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
14586 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
14587 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
14588 count_reg_usage): Likewise.
14590 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
14593 * final.c (leaf_renumber_regs_insn): Likewise.
14595 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
14596 dump_edge_info, count_reg_references): Likewise.
14598 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
14599 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
14602 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
14603 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
14604 add_label_notes): Likewise.
14606 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
14607 clear_struct_flag, count_sub_rtxs, count_alternatives,
14608 compares_alternatives_p, contained_in_p, walk_attr_value,
14609 write_expr_attr_cache): Likewise.
14611 * genconfig.c (walk_insn_part): Likewise.
14613 * genemit.c (max_operand_1, gen_exp): Likewise.
14615 * genextract.c (walk_rtx): Likewise.
14617 * genflags.c (num_operands): Likewise.
14619 * genoutput.c (scan_operands): Likewise.
14621 * genpeep.c (match_rtx): Likewise.
14623 * genrecog.c (add_to_sequence): Likewise.
14625 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
14628 * integrate.c (save_constants, copy_for_inline,
14629 copy_rtx_and_substitute, subst_constants, restore_constants):
14632 * jump.c (mark_jump_label, invert_exp, redirect_exp,
14633 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
14635 * local-alloc.c (contains_replace_regs, memref_referenced_p):
14638 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
14639 add_label_notes, replace_call_address, count_nonfixed_reads,
14640 invariant_p, find_single_use_in_loop, find_mem_givs,
14641 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
14644 * print-rtl.c (reg_names, print_rtx): Likewise.
14646 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
14648 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
14649 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
14650 print_blocks): Likewise.
14652 * regclass.c (fix_register, record_address_regs,
14653 reg_scan_mark_refs): Likewise.
14655 * regmove.c (stable_but_for_p): Likewise.
14657 * reload.c (loc_mentioned_in_p, operands_match_p,
14658 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
14659 copy_replacements, refers_to_regno_for_reload_p,
14660 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
14661 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
14664 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
14665 delete_address_reloads_1, count_occurrences,
14666 reload_cse_mem_conflict_p, reload_combine_note_use,
14667 add_auto_inc_notes): Likewise.
14669 * resource.c (mark_referenced_resources, mark_set_resources):
14672 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
14673 reg_mentioned_p, regs_set_between_p, modified_between_p,
14674 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
14675 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
14676 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
14677 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
14679 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14681 * stupid.c (stupid_mark_refs): Likewise.
14683 * unroll.c (remap_split_bivs): Likewise.
14685 * varasm.c (mark_constants): Likewise.
14687 * a29k/a29k.c (uses_local_reg_p): Likewise.
14689 * alpha/alpha.c (summarize_insn): Likewise.
14691 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14692 eliminate_lr2ip): Likewise.
14694 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14696 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14697 reg_mentioned_in_mem): Likewise.
14699 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14700 symbolic_reference_mentioned_p): Likewise.
14702 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14704 * sh/sh.c (regs_used, mark_use): Likewise.
14706 * vax/vax.c (vax_rtx_cost): Likewise.
14708 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14710 * machmode.h (mode_name): Constify a char*.
14712 * rtl.c (mode_name): Likewise.
14714 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14716 * optabs.c (init_libfuncs): Constify a char*.
14718 * print-tree.c (mode_name): Remove redundant declaration.
14719 (print_node): Use accessor macro, not `mode_name'.
14721 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14723 (new_spill_reg): Constify a char*.
14725 * tree.c (mode_name): Remove redundant declaration.
14727 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14729 * rtl.c (rtx_name): Constify a char*.
14731 * rtl.h (rtx_name, fix_sched_param): Likewise.
14733 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14734 (mypr): Use accessor macro, not `rtx_name'.
14736 * genemit.c (print_code): Constify a char*.
14738 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14740 * genpeep.c (print_code): Constify a char*.
14742 * genrecog.c (print_code): Likewise.
14744 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14745 end_bb): Add static prototype.
14746 (draw_edge): Constify a char*.
14747 (end_bb): Remove unused parameter.
14749 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14750 print_block_visualization): Constify a char*.
14752 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14754 * c-common.c (c_get_alias_set): Update comment.
14756 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14758 * linux.h (LIB_SPEC): Added.
14760 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14762 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14764 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14766 * tree.c (expr_check): Fix typo in last change.
14768 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14770 * rtl.def (NOTE): Change format to "iuu0n".
14771 (ADDR_DIFF_VEC): Change format to "eEee0".
14772 (ADDRESSOF): Change format to "eit".
14774 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14775 (RTVEC_ELT): Change to match.
14776 (XVECEXP): Use XVEC and RTVEC_ELT.
14777 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14778 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14779 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14780 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14781 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14782 (INTVAL): Use XWINT.
14783 (ADDRESSOF_DECL): Use XTREE.
14784 (SET_ADDRESSOF_DECL): Delete.
14785 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14786 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14787 ifdefed out since 2.6 at least.
14788 (gen_rtvec_vv): Delete prototype.
14790 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14792 (copy_most_rtx): Handle 't' format letter.
14793 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14794 (gen_rtvec_vv): Delete function. All callers changed to use
14795 gen_rtvec_v instead.
14796 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14797 the '0' format letter.
14799 * function.c (gen_mem_addressof): Don't use
14800 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14802 * integrate.c (copy_rtx_and_substitute): Likewise.
14803 Copy 't' slots with XTREE.
14804 (subst_constants): Treat 't' slots like '[swi]' slots.
14805 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14806 * jump.c (rtx_equal_for_thread_p): Likewise.
14807 * rtlanal.c (rtx_equal_p): Likewise.
14808 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14809 only four arguments.
14810 * gengenrtl.c (type_from_format): Provide correct types for
14814 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14815 If a recent gcc is in use (always in stage2 and beyond), use
14816 statement expressions, so we don't make a function call unless
14817 the check fails. Evaluate arguments exactly once.
14818 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14819 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14821 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14822 they evaluate their arguments exactly once, irrespective of
14823 the compiler in use.
14825 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14826 is used by the currently-enabled check macros. This is:
14827 (tree_check_failed, tree_class_check_failed): For gcc.
14828 (tree_check, tree_class_check, cst_or_constructor_check,
14829 expr_check): For other compilers.
14831 * gencheck.c: Do not define any *_CHECK1 macros.
14833 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14834 Mark Mitchell <mark@codesourcery.com>
14836 * c-common.c (c_get_alias_set): Fix support for poitners and
14839 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14841 * alias.c: Include tree.h.
14842 (nonlocal_reference_p, mark_constant_function): New functions.
14843 * flow.c (life_analysis): Call mark_constant_function.
14844 * rtl.h (mark_constant_function): Declare it.
14846 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14848 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14849 unrecognisable switches.
14851 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14853 * loop.c (recombine_givs): Set ix field after sorting.
14854 (recombine_givs): Remove bogus index / giv lockstep looping.
14856 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14858 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14860 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14861 (do_cmp_and_jump): Formatting fixes.
14862 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14863 do_compare_rtx_and_jump instead of compare_from_rtx.
14864 (do_compare_rtx_and_jump): New function; mostly copied from
14866 (do_jump_for_compare): Delete.
14867 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14869 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14870 of compare/do_jump_for_compare pairs.
14871 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14872 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14873 compare_from_rtx/do_jump_for_compare pairs.
14874 (do_jump_by_parts_equality): Likewise.
14875 (do_jump_by_parts_equality_rtx): Likewise.
14876 * expr.h (do_compare_rtx_and_jump): Declare.
14877 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14878 that used to be in emit_cmp_insn.
14879 (cmp_available_p): New function.
14880 (prepare_operand): New function.
14881 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14882 to be in emit_cmp_insn.
14883 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14884 parameters to be pointers; don't emit final compare but modify some of
14885 the values pointed to by the args so the caller can perform the
14886 correct comparison.
14887 (expand_binop): Call emit_store_flag_force with signed forms of
14889 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14890 emit_jump_insn pair.
14891 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14892 emit_cmp_and_jump_insn_1. Call emit_queue.
14893 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14895 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14896 jump sets cc0 before deleting it.
14897 * integrate.c (expand_inline_function): Likewise.
14898 * unroll.c (unroll_loop): Similar changes in several places.
14899 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14900 before deleting it.
14902 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14904 * Makefile.in (insn-recog.o): Update dependencies.
14905 * genrecog.c (main): Make generated file include "function.h".
14907 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14909 * cse.c (cse_insn): Call never_reached_warning when a jump is
14910 changed to be unconditional.
14911 * flags.h: Declare warn_notreached.
14912 * flow.c (delete_block): Call never_reached_warning when
14913 a block is deleted.
14914 * jump.c (delete_barrier_successors): Call never_reached_warning
14915 when we delete everything after a BARRIER.
14916 (never_reached_warning): New function.
14917 * rtl.h: Declare never_reached_warning.
14918 * toplev.c (warn_notreached): New variable.
14919 (lang_independent_options): Set warn_notreached
14920 when -Wunreachable-code.
14921 (compile_file): We need line numbers for -Wunreachable-code.
14923 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14925 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14926 * sched.c (insn_unit): Likewise.
14928 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14930 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14932 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14934 * flow.c (create_edge_list): Use xmalloc, not malloc.
14936 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14938 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14939 C-style comments. Do not lose the character before double slash.
14941 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14943 * basic-block.h (struct edge_list): Stucture to maintain a vector
14945 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14946 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14947 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14948 New function prototypes.
14949 * flow.c (create_edge_list): Function to create an edge list.
14950 (free_edge_list): Discards memory used by an edge list.
14951 (print_edge_list): Debug output showing an edge list.
14952 (verify_edge_list): Internal consistency check for an edge list.
14953 (find_edge_index): Function to find an edge index for a pred and succ.
14955 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14957 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14960 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14962 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14964 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14966 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14968 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14970 * toplev.c (rest_of_compilation): Allow machine dependent
14971 reorganisation pass to place information into the RTL dump
14972 file if it so wishes.
14974 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14976 * explow.c (hard_function_value): Use VOIDmode instead of
14978 * stmt.c (expand_return): Likewise.
14979 * stor-layout.c (get_best_mode): Likewise.
14981 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14982 emit call instead of emit_insn call.
14984 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14986 * configure.in: Handle --disable/enable-win32-registry.
14987 * install.texi: Document --disable/enable-win32-registry.
14988 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14989 (WIN32_REGISTRY_KEY): New macro.
14990 * prefix.c: Use to enable/disable win32-specific code.
14991 (lookup_key): Use versioned key.
14992 * configure: Regenerate.
14993 * config.in: Likewise.
14995 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14997 * cpplib.c (read_line_number): New fn, split out of...
15000 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
15002 tree.c (lang_unsave_expr_now) : New.
15003 (unsave_expr_now): Call lang_unsave_expr_now.
15004 tree.h (lang_unsave_expr_now) : New.
15006 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
15008 * toplev.c (flag_new_exceptions): On by default.
15010 1999-08-13 Michael Meissner <meissner@cygnus.com>
15012 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
15014 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15016 * dwarfout.c (fundamental_type_code): Return FT_boolean for
15017 INTEGER_TYPE with precision==1, it's __java_boolean.
15019 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15021 * global.c (prune_preferences): Move some invariants out of the
15024 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
15026 * configure.in (alpha*-dec-osf*): Add osf5.
15028 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
15030 * configure.in: Rework handling of ARM GNU/Linux slightly.
15031 (arm*-*-linux-gnuoldld): New target.
15032 * configure: Regenerate.
15033 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
15034 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
15035 * config/arm/linux-oldld.h: New file.
15036 * config/arm/linux-elf26.h: Don't include linux-elf.h.
15037 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
15039 * config/arm/linux-elf.h (ASM_SPEC): Define.
15040 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
15041 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
15042 for 26-bit APCS and old linker.
15043 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
15045 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
15046 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
15047 don't define `arm' or `arm_elf'.
15048 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
15049 MULTILIB_DIRNAMES): Define. Fix typo in comment.
15051 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
15053 * rtl.texi: Fix typo.
15055 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
15057 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
15059 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
15061 * extend.texi (C++ Signatures): Remove node.
15062 * invoke.texi: Remove discussion of -fhandle-signatures,
15063 signature, sigof, __signature__, and __sigof__.
15065 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
15067 * Makefile.in (JAVAGC): Removed.
15069 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
15071 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
15073 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
15075 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
15077 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
15079 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
15080 a register that is already known to be a pointer.
15082 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
15084 * fixinc/inclhack.tpl: Only install assert.h conditionally.
15085 * fixinc/inclhack.sh: Regenerated.
15086 * fixinc/fixincl.sh: Regenerated.
15088 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
15090 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
15091 Fix documentation of -ansi flag to describe its C++ behavior.
15092 Remove bogus reference to GCC 2.9.
15094 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
15096 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
15097 note if it is non-NULL.
15099 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15101 * except.h (eh_nesting_info): Add new structure defintion.
15102 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
15103 (reachable_handlers, update_rethrow_references): Add function
15105 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
15106 a rethrow symbol instead of an integer exception region number.
15107 * flow.c (Make_edges): Use new exception nesting routines to determine
15108 which handlers are reachable from a CALL or asynchronous insn.
15109 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
15111 (delete_eh_regions): Update rethrow labels, and don't delete
15112 regions which are the target of a rethrow.
15113 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
15114 avoid overloading the SYMBOL_REF_USED flag.
15115 (rethrow_symbol_map): Use new rethrow_ref field.
15116 (rethrow_used): Use new rethrow_ref field.
15117 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
15118 of an integer. Fix formatting.
15119 (output_exception_table_entry): Use new rethrow_ref field.
15120 (can_throw): Check for EH_REGION_NOTE before deciding
15121 whether a CALL can throw or not.
15122 (scan_region): Call rethrow_used() instead of accessing data structure.
15123 (update_rethrow_references): New function to make sure only regions
15124 which are still targets of a rethrow are flagged as such.
15125 (process_nestinfo): New static function to initialize a handler
15126 list for a specific region.
15127 (init_eh_nesting_info): New function to allocate and initialize
15128 the list of all EH handlers reachable from all regions.
15129 (reachable_handlers): New function to retrieve the list of handlers
15130 reachable from a specific region and insn.
15131 (free_eh_nesting_info): New function to dispose of a list of
15132 reachable handlers.
15134 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15136 * flow.c (split_edge): Set JUMP_LABEL field.
15137 (commit_one_edge_insertion): Set head correctly for insert_before.
15138 When inserting insns, update insn block numbers if allocated.
15140 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15142 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
15143 retry_incomplete_types): Add static prototype.
15144 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
15145 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
15146 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
15147 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
15148 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
15151 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
15152 dwarf2out_start_source_file, dwarf2out_line): Likewise.
15154 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15156 * output.h (assemble_name): Constify a char*.
15158 * varasm.c (UNIQUE_SECTION, assemble_start_function,
15159 assemble_variable, assemble_name): Likewise.
15161 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
15163 * arm/pe.c (arm_pe_unique_section): Likewise.
15165 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
15167 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
15169 * i386/interix.c (i386_pe_unique_section): Likewise.
15171 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
15173 * i386/winnt.c (i386_pe_unique_section): Likewise.
15175 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
15177 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
15179 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
15181 * pa/pa.c (output_call): Likewise.
15183 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
15185 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
15187 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
15190 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
15193 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
15195 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
15196 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
15198 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
15200 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15202 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
15204 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15206 * tree.h (lang_identify): Constify a char*.
15207 (print_error_function): Add extern prototype. Constify a char*.
15209 * c-lang.c (lang_identify): Constify a char*.
15211 * objc/objc-act.c (lang_identify): Constify a char*.
15213 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15215 * genpeep.c (main): Make generated file include "function.h".
15216 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
15218 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15220 * Makefile.in: Update dependencies.
15221 * alias.c: Include "function.h"
15222 * c-decl.c: Likewise.
15223 * caller-save.c: Likewise.
15224 * calls.c: Likewise.
15225 * combine.c: Likewise.
15227 * explow.c: Likewise.
15228 * final.c: Likewise.
15229 * global.c: Likewise.
15230 * graph.c: Likewise.
15231 * local-alloc.c: Likewise.
15232 * loop.c: Likewise.
15233 * optabs.c: Likewise.
15234 * profile.c: Likewise.
15235 * recog.c: Likewise.
15236 * regclass.c: Likewise.
15237 * regmove.c: Likewise.
15238 * reload.c: Likewise.
15239 * reorg.c: Likewise.
15240 * resource.c: Likewise.
15241 * sched.c: Likewise.
15242 * stupid.c: Likewise.
15243 * config/1750a/1750a.c: Likewise.
15244 * config/a29k/a29k.c: Likewise.
15245 * config/arc/arc.c: Likewise.
15246 * config/arm/arm.c: Likewise.
15247 * config/arm/thumb.c: Likewise.
15248 * config/c4x/c4x.c: Likewise.
15249 * config/clipper/clipper.c: Likewise.
15250 * config/convex/convex.c: Likewise.
15251 * config/fx80/fx80.c: Likewise.
15252 * config/i860/i860.c: Likewise.
15253 * config/m68k/m68k.c: Likewise.
15254 * config/m88k/m88k.c: Likewise.
15255 * config/mips/mips.c: Likewise.
15256 * config/pdp11/pdp11.c: Likewise.
15257 * config/pyr/pyr.c: Likewise.
15258 * config/romp/romp.c: Likewise.
15259 * config/sh/sh.c: Likewise.
15260 * config/tahoe/tahoe.c: Likewise.
15261 * config/vax/vax.c: Likewise.
15262 * config/we32k/we32k.c: Likewise.
15263 * config/sparc/sparc.c: Include "function.h".
15264 (mem_min_alignment): Test current_function rather than
15265 regno_pointer_align.
15266 * config/pa/pa.c: Likewise.
15267 (compute_frame_size): Delete declaration of
15268 current_function_outgoing_args_size.
15269 * config/arc/arc.h (current_function_varargs): Delete declaration.
15270 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
15272 * config/i370/i370.h (current_function_outgoing_args_size): Delete
15274 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
15275 current_function_uses_pic_offset_table.
15276 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
15277 of current_function_returns_pointer.
15278 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15279 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15280 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15281 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15282 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15283 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15284 * config/m88k/m88k.c: Include "function.h"
15285 (call_used_regs, current_function_pretend_args_size,
15286 current_function_outgoing_args_size, frame_pointer_needed): Delete
15288 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
15290 * config/mips/mips.h (current_function_calls_alloca): Delete
15292 * config/mn10200/mn10200.h (current_function_needs_context,
15293 rtx_equal_function_value_matters): Delete declarations.
15294 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
15295 flag_pic): Delete declarations.
15296 * config/pa/pa.h (current_function_pretend_args_size,
15297 current_function_decl): Delete declarations.
15298 * config/pa/som.h (current_function_varargs): Delete declaration.
15299 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
15301 * config/pyr/pyr.h (current_function_pretend_args_size,
15302 current_function_args_size, current_function_calls_alloca): Delete
15304 * config/sh/sh.h (current_function_varargs): Delete declaration.
15305 * config/sparc/sparc.h (current_function_outgoing_args_size,
15306 current_function_calls_alloca, current_function_decl): Delete
15308 * config/spur/spur.h (current_function_pretend_args_size,
15309 current_function_calls_alloca): Delete declarations.
15310 * config/v850/v850.c (current_function_outgoing_args_size): Delete
15312 * config/vax/vms.h (current_function_name): Delete declaration.
15313 * gcse.c: Include "function.h".
15314 (current_function_name, current_function_calls_setjmp): Delete
15316 * haifa-sched.c: Include "function.h".
15317 (forced_labels): Delete declaration.
15318 * jump.c: Likewise.
15319 * reg-stack.c: Likewise.
15320 * reload1.c: Likewise.
15321 * genemit.c (main): Make generated file include function.h.
15322 * genoutput.c (output_prologue): Likewise.
15324 * builtins.c (saveregs_value, apply_args_value): Delete variables.
15325 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
15326 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
15327 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
15328 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
15329 macros for some of them.
15330 (emit_filename, emit_lineno): Delete declarations.
15331 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
15332 regno_pointer_* variables through current_function.
15333 (gen_inline_header_rtx): Delete function.
15334 (save_emit_status): Delete function.
15335 (set_new_last_label_num): New function.
15336 (clear_emit_caches): New function.
15337 (restore_emit_status): Just clear last_labelnum and call
15339 (get_last_insn_anywhere): Variable sequence_stack is now accessed
15340 through macro seq_stack.
15341 (add_insn_after): Likewise.
15342 (add_insn_before): Likewise.
15343 (remove_insn): Likewise.
15344 (pop_topmost_sequence): Likewise.
15345 (in_sequence_p): Likewise.
15346 (start_sequence_for_rtl_expr): Likewise.
15347 (start_sequence): Likewise, and likewise for
15348 sequence_rtl_expr/seq_rtl_expr.
15349 (push_topmost_sequence): Likewise.
15350 (end_sequence): Likewise.
15351 (init_virtual_regs): Now takes a "struct emit_status *" argument.
15352 All callers changed. Store into that pointer instead of globals.
15353 (init_emit): Allocate emit elt of current_function.
15354 Changes for sequence_rtl_expr/sequence_stack renaming.
15355 Call clear_emit_caches instead of doing it in-line.
15356 Access regno_pointer_* variables through current_function.
15357 (init_emit_once) Don't clear sequence_stack.
15359 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
15361 (arg_pointer_save_area): Delete declaration.
15362 (finish_expr_for_function): Renamed from init_queue; no longer static.
15363 (init_expr): Don't call init_queue.
15364 (save_expr_status, restore_expr_status): Delete functions.
15365 (expand_expr): Changes to reflect new layout of struct function.
15366 Don't access current_function_check_memory_usage when current_function
15368 * expr.h (forced_labels, save_expr_regs, saveregs_value,
15369 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
15370 current_function_outgoing_args_size, current_function_arg_offset_rtx,
15371 current_function_uses_const_pool, function_call_count,
15372 current_function_uses_pic_offset_table, nonlocal_labels,
15373 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
15374 current_function_check_memory_usage, nonlocal_goto_handler_slots,
15375 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
15377 (finish_expr_for_function): Declare.
15378 * flags.h (current_function_has_nonlocal_label,
15379 current_function_has_nonlocal_goto, current_function_is_thunk,
15380 current_function_has_computed_jump): Delete declarations.
15381 * flow.c (forced_labels): Delete declaration.
15382 * function.c (current_function_pops_args,
15383 current_function_returns_struct, current_function_returns_pcc_struct,
15384 current_function_needs_context, current_function_calls_setjmp,
15385 current_function_calls_longjmp, current_function_has_nonlocal_label,
15386 current_function_has_nonlocal_goto, current_function_is_thunk,
15387 current_function_has_computed_jump, current_function_calls_alloca,
15388 current_function_contains_functions, current_function_returns_pointer,
15389 current_function_epilogue_delay_list, current_function_args_size,
15390 current_function_pretend_args_size, current_function_arg_offset_rtx,
15391 current_function_outgoing_args_size, current_function_varargs,
15392 current_function_stdarg, current_function_args_info, cleanup_label,
15393 current_function_name, current_function_uses_const_pool,
15394 current_function_instrument_entry_exit, current_function_return_rtx,
15395 current_function_uses_pic_offset_table, nonlocal_labels,
15396 current_function_internal_arg_pointer, current_function_cannot_inline,
15397 current_function_check_memory_usage, function_call_count,
15398 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
15399 nonlocal_goto_stack_level, return_label, save_expr_regs,
15400 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
15401 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
15402 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
15403 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
15404 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
15406 (push_function_context_to): Don't save them. Don't call
15407 save_storage_status, save_emit_status or save_expr_status.
15408 (pop_function_context_from): Don't restore them. Don't call
15409 restore_storage_status or restore_expr_status.
15410 (get_func_frame_size): New function.
15411 (get_frame_size): Use it.
15412 (assign_outer_stack_local): Reflect some member name changes in struct
15414 (put_reg_into_stack): Likewise.
15415 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
15417 (fixup_var_refs): Likewise.
15418 (fix_lexical_addr): Likewise.
15419 (trampoline_address): Likewise.
15420 (prepare_function_start): Clear field inlinable of current_function.
15421 (init_function_for_compilation): New function.
15422 (expand_dummy_function_end): New function.
15423 (expand_function_end): Call finish_expr_for_function.
15424 * function.h (struct emit_status): New; fields moved here from struct
15425 function and from global variables. Add accessor macros for some of
15427 (struct expr_status): Likewise.
15428 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
15429 (struct function): Add fields expr and emit, inlinable, inl_emit,
15430 original_arg_vector, original_decl_initial, inl_last_parm_insn,
15431 inl_max_label_num. Add many comments.
15432 Add accessor macros for all elts of struct function that no longer
15433 have a global variable.
15434 (cleanup_label, return_label, frame_offset, tail_recursion_label,
15435 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
15436 stack_slot_list): Delete declarations.
15437 (get_func_frame_size): Declare.
15438 (save_expr_status, restore_expr_status, save_emit_status,
15439 save_storage_status, restore_storage_status): Delete declarations.
15440 (init_virtual_regs): Declare.
15441 * output.h (current_function_pops_args,
15442 current_function_returns_struct, current_function_returns_pcc_struct,
15443 current_function_needs_context, current_function_calls_setjmp,
15444 current_function_calls_longjmp, current_function_calls_alloca,
15445 current_function_has_nonlocal_label, current_function_varargs,
15446 current_function_has_computed_jump, current_function_returns_pointer,
15447 current_function_contains_functions, current_function_args_size,
15448 current_function_pretend_args_size, current_function_stdarg,
15449 current_function_outgoing_args_size, current_function_args_info,
15450 current_function_name, current_function_return_rtx,
15451 current_function_epilogue_delay_list,
15452 current_function_uses_const_pool, current_function_cannot_inline):
15453 Delete declarations.
15454 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
15455 regno_reg_rtx): Delete declaration.
15456 (REGNO_POINTER_FLAG): Delete macro.
15457 * stmt.c (expand_goto): Changes to reflect that some fields in struct
15458 function were renamed.
15459 * stor-layout.c (save_storage_status, restore_storage_status): Delete
15461 * toplev.c: Include "function.h".
15462 (current_function_decl): Delete declaration.
15463 (compile_file): Call init_dummy_function_start and
15464 expand_dummy_function_end around some initializations that need to
15466 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
15467 Call init_function_for_compilation.
15468 * unroll.c: Include "function.h"
15469 (unroll_loop): Access regno_pointer_* variables through
15472 * tree.h (struct tree_decl): Add elt f to saved_insns member.
15473 (DECL_SAVED_INSNS): use it.
15474 (expand_dummy_function_end): Declare.
15475 (init_function_for_compilation): Declare.
15476 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
15477 that it's no longer an INLINE_HEADER.
15478 (expand_call): Likewise.
15479 * integrate.c (finish_inline): Delete function.
15480 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
15481 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
15482 args. Don't generate an INLINE_HEADER rtx, just return the arg
15483 vector. All callers changed.
15484 (save_for_inline_copying): Create a duplicate struct emit_status to
15485 hold the emit state for compiling the current function. Use this and
15486 the other new fields in struct function that are for integration
15487 instead of an INLINE_HEADER.
15488 Use memcpy instead of bcopy.
15489 Store the current struct function in DECL_SAVED_INSNS of fndecl.
15490 (save_for_inline_nocopy): Similar changes, except no new emit_status
15492 (expand_inline_function): Get information from function structure,
15493 not from an inline header rtx.
15494 (output_inline_function): Lose code to extract the necessary
15495 information from an inline header; simply put back the function
15496 structure into current_function. Clear its inlinable elt.
15497 * rtl.def (INLINE_HEADER): Delete.
15498 * rtl.h: Delete all accessors for an INLINE_HEADER.
15499 (gen_inline_header_rtx): Delete declaration.
15500 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
15501 Delete declarations.
15502 (REGNO_POINTER_ALIGN): Delete.
15503 (clear_emit_caches): Declare.
15504 (set_new_last_label_num): Declare.
15506 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
15508 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
15510 * except.c (expand_eh_region_start_for_decl): Always start a new block.
15511 * stmt.c (is_eh_region): Make sure current_function is present, too.
15513 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
15515 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
15516 for 64bit PA targets.
15518 * pa.h (SELECT_SECTION): Define.
15519 * som.h (SELECT_SECTION): Delete.
15521 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15523 * alias.c (init_alias_analysis): Wrap call to
15524 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
15526 1999-08-07 Bruce Korb <autogen@linuxbox.com>
15528 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
15529 <sys/asm.h> contains an asm comment with an apostrophe
15530 * fixinc/inclhack.sh: regen
15531 * fixinc/fixincl.x: regen
15533 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
15535 * function.c (init_function_start): Clear prologue & epilogue.
15536 (prologue_epilogue_contains): New function.
15537 * alias.c (init_alias_analysis): Use it.
15538 * rtl.h (prologue_epilogue_contains): Declare it.
15540 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
15542 * jump.c (onlyjump_p): New function.
15543 * rtl.h: Declare it.
15544 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
15545 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
15547 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
15549 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
15550 to invert loops. Simplify block scanning.
15552 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15554 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
15555 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
15557 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
15559 * config/sparc/liteelf.h: New file to support sparclite-elf target
15560 * config/sparc/t-sp86x: New file to support sparc86x targets
15561 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
15562 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
15563 * configure.in: Support above target triplets
15564 * configure: Regenerated
15566 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
15568 * fixinc/server.c (server_setup): Do not prefix function used as
15569 parameter with `&'.
15571 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
15573 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
15574 Remove fp reg alternatives.
15576 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
15578 * Makefile.in (TAROUTOPTS): Kill.
15579 (install-headers-tar): Use "xpf" for tar headerfile extraction
15580 * i370/x-oe (TAROUTOPTS): Delete.
15581 * m68k/x-apollo68 (TAROUTOPTS): Delete.
15582 * m68k/x-hp320 (TAROUTOPTS): Delete.
15583 * m68k/x-hp320g (TAROUTOPTS): Delete.
15584 * gcc.texi: Update bug reporting text.
15586 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15588 * reg-stack.c (change_stack) Fixed problem with negative array index.
15590 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
15592 * extend.texi, install.texi: Fix spelling mistakes.
15594 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
15595 (s-attrtab); No longer try to use pre-made insn-attrtab file.
15596 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
15597 PREMADE_ATTRTAB_MD.
15598 * mips/t-ecoff: Likewise.
15599 * mips/t-elf: Likewise.
15600 * mips/t-mips: Likewise.
15601 * mips/t-osfrose: Likewise.
15602 * mips/t-r3900: Likewise.
15603 * mips/t-svr3: Likewise.
15604 * mips/t-svr4: Likewise.
15605 * mips/t-ultrix: Likewise.
15607 * gcc.texi: Document recommend means to provide software floating
15608 point libraries in libgcc.a
15610 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
15612 * c-lex.c (yylex): We can have a number with no digits.
15614 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
15616 * jump.c (delete_prior_computation): New function, broken
15617 out of delete_computation. Check for side effects with
15618 side_effects_p instead of FIND_REG_INC_NOTE. Handle
15619 multi-word hard registers.
15620 (delete_computation): Use it. Check for side effects with
15621 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
15622 missing REG_DEAD note for a register which is both set and
15625 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
15627 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
15628 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
15629 (ASM_FILE_START): Import _mcount with the right type.
15630 (ASM_DECLARE_FUNCTION_NAME): Define.
15631 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
15632 * pa.c (output_function_prologue): Always emit the function's label
15634 * pa.h (TEXT_SPACE_P): Define.
15635 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15636 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
15637 * som.h (TEXT_SPACE_P): Delete.
15638 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15639 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
15641 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
15643 * expr.c (emit_group_load): Allow src to be a CONCAT.
15645 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15647 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
15648 (___mulsi3): Use '!' comment character.
15650 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15652 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
15654 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
15656 * gcc.c: Update URLs and mail addresses.
15657 * gcc.texi: Likewise.
15659 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
15661 * rs6000.c (current_file_function_operand): Return zero for
15663 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
15665 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
15668 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
15670 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
15671 allocate space in the stack frame for the PIC register.
15673 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
15675 * m68k.md (xordi3, anddi3): These patterns are not available on
15678 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
15680 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15681 (PUT_REAL): Likewise.
15683 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15685 * final.c (shorten_branches): Don't add an alignment for loops
15686 that have no label inside.
15688 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15690 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15691 prototypes in macro HAVE_cmpstrsi.
15693 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15695 * emit-rtl.c (operand_subword): Remove unused variable
15698 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15700 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15702 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15704 * cpphash.c (macroexpand): Delete leading whitespace when arg
15705 is concatenated before.
15706 (unsafe_chars): Correct test for whether + and - can extend a
15709 * cppinit.c (cpp_start_read): Do dependencies for
15710 -include/-imacros files also.
15712 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15713 tokenizing non-directive lines.
15714 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15715 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15718 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15720 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15722 * c-lex.c: Sync with C++ frontend.
15723 (linemode): New variable.
15724 (parse_float): imag, conversion_errno, and type are output only.
15725 (yylex): Adjust. Move initial '.' case into main switch.
15727 (handle_generic_pragma): Just deal with tokens.
15728 (readescape): Use ISXDIGIT and ISGRAPH.
15729 * c-parse.in: Add END_OF_LINE token.
15731 * c-lex.c (lang_init): Generalize.
15732 (nextchar): Remove. Replace uses with UNGETC.
15733 (skip_white_space): Handle linemode here. Optimize for cpplib.
15734 (skip_white_space_on_line): Remove.
15735 (extend_token_buffer_to): New fn.
15736 (extend_token_buffer): Use it.
15737 (read_line_number, check_newline): Just deal with tokens.
15738 (token_getch, token_put_back): New fns.
15739 (yylex): Use them. More cpplib optimizations. Simplify.
15741 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15742 Jason Merrill <jason@yorick.cygnus.com>
15744 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15745 (consume_string): Make this smart about USE_CPPLIB.
15746 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15747 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15748 Also, clean up cases where we redundantly set token_buffer[0].
15749 (read_line_number): New fn.
15750 (ignore_escape_flag): New variable.
15752 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15754 * a29k/t-a29kbare: Fix some comments.
15755 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15756 (FPBIT, DPBIT): Define.
15757 * a29k/t-vx29k: Likewise.
15758 * arc/t-arc: Likewise.
15759 * arm/t-arm-elf: Likewise.
15760 * arm/t-bare: Likewise.
15761 * arm/t-pe: Likewise.
15762 * arm/t-pe-thumb: Likewise.
15763 * arm/t-semi: Likewise.
15764 * arm/t-thumb: Likewise.
15765 * arm/t-thumb-elf: Likewise.
15766 * arm/t-thumb-linux: Likewise.
15767 * h8300/t-h8300: Likewise.
15768 * i960/t-i960: Likewise.
15769 * i960/t-vxworks960: Likewise.
15770 * m32r/t-m32r: Likewise.
15771 * mips/t-ecoff: Likewise.
15772 * mips/t-elf: Likewise.
15773 * mips/t-r3900: Likewise.
15774 * pa/t-pro: Likewise.
15775 * rs6000/t-aix43: Likewise.
15776 * rs6000/t-beos: Likewise.
15777 * rs6000/t-newas: Likewise.
15778 * rs6000/t-ppccomm: Likewise.
15779 * rs6000/t-rs6000: Likewise.
15780 * rs6000/t-winnt: Likewise.
15781 * rs6000/t-xnewas: Likewise.
15782 * rs6000/t-xrs6000: Likewise.
15783 * sh/t-sh: Likewise.
15784 * sparc/t-elf: Likewise.
15785 * sparc/t-sparcbare: Likewise.
15786 * sparc/t-sparclite: Likewise.
15787 * sparc/t-splet: Likewise.
15788 * v850/t-v850: Likewise.
15789 * mn10200/t-mn10200: Fix comments.
15790 * mn10300/t-mn10300: Likewise.
15792 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15793 dummy operand. Allocate a new pseudo for the dummy operand.
15794 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15796 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15798 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15800 * configure: Rebuilt.
15801 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15803 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15805 * recog.c (preproces_constraints): Zero recog_op_alt before
15806 processing the constraints.
15808 * arm.c (typedef minipool_node): Renamed from pool_node.
15809 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15810 (add_minipool_constant): New function.
15811 (dump_minipool): New function.
15812 (find_barrier): Remove special case for getting the insn size of
15813 an insn that references the constant pool.
15814 (minipool_fixup): New structure.
15815 (push_minipool_barrier): New function.
15816 (push_minipool_fix): New function.
15817 (note_invalid_constants): New function.
15818 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15819 (arm_reorg): Rewrite code to fix up the constant pool into a
15820 series of mini-pools embedded in the insn stream.
15821 (arm_output_epilogue): New function, made mainly from the body
15822 of output_func_epilogue.
15823 (output_func_epilogue): Move insn generation part of epilogue code
15824 to arm_output_epilogue.
15825 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15826 * arm.md (pool_range): New attribute.
15827 (zero_extendqidi2): Add attribute pool_range.
15828 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15829 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15830 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15831 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15832 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15833 (epilogue): New expand.
15834 (epilogue_insn): New insn. Call arm_output_epilogue.
15836 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15837 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15839 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15841 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15843 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15845 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15847 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15849 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15851 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15853 * global.c: Fix comment.
15855 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15857 * gcc.c (access_check): New static function.
15858 (find_a_file): Use it when searching a directory list.
15859 * collect2.c (find_a_file): Don't accept directories found when
15860 searching a directory list.
15862 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15864 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15865 function parameters with `&'.
15866 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15868 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15870 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15871 or tidy_fallthru_edge if the last insn in the block is not
15872 an unconditional jump or a simple conditional jump.
15874 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15876 * Makefile.in (c-decl.o): Depends on defaults.h.
15878 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15880 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15882 (CLASS_MAX_NREGS): Likewise.
15884 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15886 * cse.c (cse_insn): Fix dumb thinko in last change.
15888 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15890 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15893 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15895 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15896 test for sizes of passed and declared parameter types.
15898 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15900 * fixincludes: Fix the return type of bsearch, char* -> void*.
15902 * fixinc/inclhack.def: Likewise.
15904 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15906 * invoke.texi (-fdump-translation-unit): New option.
15908 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15910 * expr.h (PROMOTE_PROTOTYPES): Move ...
15911 * defaults.h: ... to here.
15912 * c-decl.c: Include defaults.h instead of expr.h.
15913 * c-typeck.c: Include defaults.h.
15915 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15917 * toplev.h (errorcount): Declare.
15918 (warningcount): Likewise.
15919 (sorrycount): Likewise.
15920 * c-lex.c (errorcount): Don't declare.
15921 * dwarf2out.c (errorcount): Don't declare.
15923 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15925 * config/libgloss.h: Add a note discouraging use with ELF.
15926 * configure.in: Don't use libgloss.h for ELF targets.
15927 Always use_collect2 on a.out targets.
15929 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15931 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15932 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15934 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15936 * loop.c (strength_reduce): When doing biv->giv conversion, update
15937 reg note of NEXT->insn.
15939 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15941 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15943 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15945 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15946 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15947 Ensure expr.h is included.
15948 * c-typecheck.c (convert_arguments): Ditto.
15950 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15952 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15953 * config/convex/convex.h: Ditto.
15954 * config/dsp16xx/dsp16xx.h: Ditto.
15955 * config/fx80/fx80.h: Ditto.
15956 * config/gmicro/gmicro.h: Ditto.
15957 * config/i370/i370.h: Ditto.
15958 * config/i386/i386.h: Ditto.
15959 * config/m32r/m32r.h: Ditto.
15960 * config/m68k/m68k.h: Ditto.
15961 * config/m88k/m88k.h: Ditto.
15962 * config/mips/mips.h: Ditto.
15963 * config/pa/pa.h: Ditto.
15964 * config/pyr/pyr.h: Ditto.
15965 * config/tahoe/tahoe.h: Ditto.
15966 * config/we32k/we32k.h: Ditto.
15968 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15969 based on arch size.
15971 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15973 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15976 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15978 1999-08-02 Richard Henderson <rth@cygnus.com>
15980 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15981 for the register spill block.
15982 (m32r_va_arg): New.
15983 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15984 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15986 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15987 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15988 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15990 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15992 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15993 MAX_WCHAR_TYPE defined in sparc.h.
15994 * config/sparc/linuxaout.h: Likewise.
15995 * config/sparc/linux64.h: Likewise.
15996 Also default to -mvis if CPU is UltraSPARC.
15998 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16000 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
16001 (RTX_OK_FOR_OLO10): Likewise.
16002 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
16003 %lo(), allow it in addresses...
16004 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
16005 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
16006 does not make sense.
16007 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
16008 (sparc_output_scratch_registers): New function.
16009 (output_function_prologue, sparc_flat_output_function_prologue): Use
16011 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
16013 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
16014 * configure.in: Add check for .register pseudo-op support in as and
16015 check for offsetable %lo().
16016 * acconfig.h: Add templates for the above checks.
16017 * configure: Regenerate.
16019 1999-08-02 Richard Henderson <rth@cygnus.com>
16021 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
16022 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
16023 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
16025 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16027 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16030 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16032 * config/float-sparc.h: New file.
16033 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
16034 sparc-*-linux-gnu and sparc64-*-linux*.
16036 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16038 * rs6000.c (rs6000_va_list): Type is an array.
16039 (rs6000_va_start): Don't doubly adjust for varargs.
16040 (rs6000_va_arg): Evaluate long long GPR adjustment.
16042 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
16044 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
16045 -maix64 and -maix32.
16046 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
16047 LINK_SPEC): Change appropriately.
16048 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
16049 (u_short_cint_operand): Likewise.
16050 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
16052 * rs6000/t-aix43 (MULTILIB): Change to -m64.
16054 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
16056 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
16058 * rs6000/rs6000.c (num_insns_constant_wide): Correct
16059 for type promotion.
16060 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
16061 (non_add_cint_operand): Likewise.
16062 (logical_operand): Likewise.
16063 (non_logical_cint_operand): Likewise.
16064 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
16065 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
16066 (rs6000_select_rtx_section): Suppress warning.
16067 (small_data_operand): Suppress warning.
16068 (rs6000_got_register): Suppress warning.
16069 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
16070 type, so `J' is generally the wrong constraint for a SImode value;
16072 (andsi3_internal2): Likewise.
16073 (andsi3_internal3): Likewise.
16074 (iorsi3_internal1): Likewise.
16075 (xorsi3_internal1): Likewise.
16077 (movsf_softfloat): Likewise.
16078 (scc insns): Likewise.
16079 (movsi+2): Preserve sign bits of SImode constant.
16080 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
16081 (movdf+1): Sign-extend properly.
16082 (movdi_32+1): Sign-extend properly.
16083 (scc insns): Sign-extend properly.
16085 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
16088 1999-08-02 Richard Henderson <rth@cygnus.com>
16090 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
16091 -mcpu parsing code.
16092 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
16093 * alpha.md (all fp insns): Likewise.
16095 1999-08-02 Nick Clifton <nickc@cygnus.com>
16097 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
16100 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
16102 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
16103 pic_load_label generator directly.
16104 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
16105 No longer a named pattern.
16107 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
16109 * explow.c (force_reg): Call force_operand if X does not
16110 satisfy general_operand.
16112 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
16114 * fix-header.c (main): When testing for CONTINUED, use string
16115 equality, not pointer equality.
16117 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
16119 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
16121 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
16123 * cse.c (cse_insn): Fix loop which deletes insns after a jump
16124 that has become an unconditional jump.
16126 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
16127 (output_function_epilogue): Similarly.
16129 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16131 * tree.h (init_dummy_function_start): Declare.
16133 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16135 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
16136 last_expr_type, last_expr_value, block_start_count, block_stack,
16137 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
16138 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
16139 dynamically in stmt elt of struct function for each function.
16140 (struct nesting): Rename function_call_count elt to n_function_calls,
16141 target_temp_slot_level to block_target_temp_slot_level. All users
16143 (struct stmt_status): New structure definition.
16144 Add many accessor macros for stmt_status elements which previously
16145 were global variables.
16146 (init_stmt_for_function): Allocate stmt elt for current_function.
16147 Reflect that block_start_count was renamed to
16148 current_block_start_count.
16149 (save_stmt_status, restore_stmt_status): Delete functions.
16150 (preserve_subexpressions_p): Don't access loop_stack when outside
16152 (expand_start_bindings): Reflect that block_start_count was renamed to
16153 current_block_start_count.
16154 (expand_fixup): Likewise.
16155 (expand_decl): Don't access block_stack when outside a function.
16156 (expand_decl_cleanup): Likewise.
16157 (expand_dcc_cleanup): Likewise.
16158 (expand_dhc_cleanup): Likewise.
16159 (expand_anon_union_decl): Likewise.
16160 (set_file_and_line_for_stmt): New function.
16161 (in_control_zone_p): New function.
16163 * function.h (struct function): Add new elt stmt.
16164 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
16165 case_stack, nesting_stack, nesting_depth, block_start_count,
16166 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
16167 emit_lineno, goto_fixup_chain.
16168 (save_eh_status, restore_eh_status, save_stmt_status,
16169 restore_stmt_status): Delete declarations.
16170 * function.c (push_function_context_to): Don't call save_stmt_status.
16171 (pop_function_context_to): Don't call restore_stmt_status.
16172 * tree.h (in_control_zone_p): Declare.
16173 * rtl.h (set_file_and_line_for_stmt): Declare.
16175 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
16176 call set_file_and_line_for_stmt.
16178 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
16180 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
16181 Also update copyright.
16183 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16185 * c-pragma.c: Don't include "except.h".
16186 * emit-rtl.c: Likewise.
16187 * stor-layout.c: Likewise.
16188 * tree.c: Likewise.
16189 * varasm.c: Likewise.
16191 * flow.c: Include "function.h".
16192 * tree.h (init_dummy_function_start): Declare new function.
16194 * except.h (struct eh_status): New structure.
16195 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
16197 (eh_return_stub_label, ehstack, catchstack, ehqueue,
16198 catch_clauses, false_label_stack, caught_return_label_stack,
16199 protect_list, current_function_ehc): Add accessor macros for the
16200 corresponding fields in current_function->eh; delete declarations
16201 for all items that used to be declared here.
16202 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
16203 catch_clauses, false_label_stack, caught_return_label_stack,
16204 protect_list, current_function_ehc): Delete variables.
16205 (init_eh_for_function): Allocate current_function->eh.
16206 (save_eh_status, restore_eh_status): Delete functions.
16208 * function.h (struct function): Add fields next_global and eh.
16209 Delete all exception handling related fields.
16210 * function.c (current_function): New variable.
16211 (all_functions): New variable.
16212 (push_function_context_to): Don't allocate a struct function,
16213 use current_function instead. Call init_dummy_function_start when
16214 outside a function. Clear current_function before returning.
16215 (pop_function_context_from): Restore current_function.
16216 Don't free the restored struct function.
16217 (prepare_function_start): New function.
16218 (init_dummy_function_start): New function.
16219 (init_function_start): Break out some code into prepare_function_start
16222 * stmt.c (save_stmt_status): Don't call save_eh_status.
16223 (restore_stmt_status): Don't call restore_eh_status.
16225 * Makefile.in: Update dependencies.
16227 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
16229 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
16230 of depending on a magic constant value. Update comments.
16231 (hppa_expand_prologue): Similarly.
16233 * pa.md (reload_indi, reload_outdi): Allow any register for the
16234 original reload register.
16236 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
16238 * cccp.c (print_help): Change marcos to macros.
16240 1999-07-30 Richard Henderson <rth@cygnus.com>
16242 * c-typeck.c (initializer_constant_valid_p): Move ...
16243 * c-common.c (initializer_constant_valid_p): ... here. Use
16244 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
16245 of label addresses.
16246 * c-common.h (initializer_constant_valid_p): Declare.
16247 * c-tree.h (initializer_constant_valid_p): Remove.
16249 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
16251 * config/i386/sol2-c1.asm: Align the stack.
16252 * config/i386/sol2-gc1.asm: Likewise.
16254 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
16256 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
16257 -Asparclite for sparc86x.
16258 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
16260 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
16262 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
16264 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
16265 the user if using the non-default arch size in BI_ARCH configuration.
16266 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
16268 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
16269 Fix patterns so that they actually match.
16270 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
16271 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
16272 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
16274 (mulsidi3): Reflect this in the expand.
16275 (smulsi3_highpart): Only on TARGET_ARCH32.
16276 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
16277 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
16278 (umulsidi3): Reflect this in the expand.
16279 (umulsi3_highpart): Only on TARGET_ARCH32.
16280 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
16281 don't require g0 to be zero.
16282 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
16283 ({,u}divsi3): New expands.
16284 ({,u}divsi3_sp64): New patterns.
16285 (after lshrdi3_v8plus): Four new patterns to help combiner
16286 optimizing nested mixed mode shifts.
16288 * config/sparc/sparc.c (sparc_override_options): Use deprecated
16289 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
16290 speed things up. Don't use them by default on plain v9 in 64bit
16291 mode, according to what SPAMv9 sais.
16293 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
16294 top 32 bits of %[og][0-7] in signal handlers.
16295 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
16297 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
16299 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
16300 (ashlsi3): Corresponding changes.
16302 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
16304 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
16306 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
16308 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16310 * arm.h (Hint): Delete macro.
16311 Substitute HOST_WIDE_INT for Hint in some prototypes.
16312 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
16314 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
16316 * builtins.c (expand_builtin_setjmp): Use force_operand to
16317 make sure that the buffer address is in a suitable form to be
16318 passed to force_reg.
16320 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
16322 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
16325 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
16327 * pa.md (indirect_jump): Remove mode from match_operand. Verify
16328 proper mode in the condition string.
16329 (icacheflush, dcacheflush): Remove modes from match_operands.
16331 * pa.c (emit_move_sequence): Always convert scratch_reg to the
16332 proper mode before using it.
16334 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
16337 * pa.c (store_reg): Do not call add_high_const generator directly.
16338 (load_reg, set_reg_plus_d): Likewise.
16339 * pa.md (add_high_const): No longer a named pattern.
16341 * pa.c (legitimize_address): Consistently use Pmode rather than
16342 SImode. Do not call gen_pic2_highpart directly anymore.
16343 * pa.md (pic2_highpart): No longer a named pattern.
16344 (pic2_lo_sum): Similarly. Reformat to make more readable.
16346 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
16351 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16353 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
16355 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
16357 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
16358 and tag the spill mems.
16359 (hppa_va_start): New.
16360 (hppa_va_arg): New.
16361 * pa.h (EXPAND_BUILTIN_VA_START): New.
16362 (EXPAND_BUILTIN_VA_ARG): New.
16364 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
16366 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
16367 and tag the spill mems.
16368 (mn10300_va_start): New.
16369 (mn10300_va_arg): New.
16370 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
16371 (EXPAND_BUILTIN_VA_ARG): New.
16373 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
16375 * mn10200.c (mn10200_va_arg): New.
16376 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
16378 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
16380 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
16381 rather than play with TREE_INT_CST_LOW.
16383 1999-07-27 Philip Blundell <pb@nexus.co.uk>
16385 * config/arm/telf.h: Include dbxelf.h.
16386 (CPP_PREDEFINES): Only define if not already defined.
16387 (ASM_IDENTIFY_GCC): Likewise.
16388 (SUBTARGET_EXTRA_SECTIONS): Likewise.
16389 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
16390 * config/arm/thumb.h (LINK_SPEC): Only define if not already
16392 (DBX_DEBUGGING_INFO): Don't define.
16393 * config/arm/linux-telf.h: New file.
16394 * config/arm/linux-tgas.h: New file.
16395 * config/arm/t-thumb-linux: New file.
16396 * config/arm/uclinux-elf.h: New file.
16397 * config/arm/uclinux-telf.h: New file.
16398 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
16399 thumb-*-uclinux): New targets.
16400 * configure: Regenerate.
16402 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
16404 * pa.md (post_store, pre_load): New expanders.
16405 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
16406 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
16407 need to directly generate RTL for them.
16408 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
16411 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
16413 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
16414 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
16415 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
16416 (secndary_reload_class): Make TARGET_ELF conditional compile.
16417 (print_operand_address): Similar.
16418 (output_toc): Print all values as hex.
16419 (get_issue_rate): Rearrange and add RS64A and PPC630.
16420 * rs6000.h (processor_type): Add RS64A and PPC630.
16421 (PROCESSOR_POWERPC64): New.
16422 (PROMOTE_MODE): Use word_mode.
16423 (RTX_COSTS): Add RS64A and PPC630.
16424 * rs6000.md (scheduling information): Add lmul and ldiv
16425 representing 64-bit integer multiply and divide. Add rs64a and
16426 PPC630 information.
16427 (ashldi3): Add support for "rldic" instruction.
16428 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
16430 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
16432 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
16433 instead of V8 for sparclite86x in cpu_table.
16435 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16437 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
16438 output_file_directive.
16440 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
16442 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
16443 tree for op1, not the rtl.
16445 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
16447 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
16448 to m88k_va_start, leaving only the register spill.
16449 (m88k_build_va_list): New.
16450 (m88k_va_start): New.
16451 (m88k_va_arg): New.
16452 * m88k.h (BUILD_VA_LIST_TYPE): New.
16453 (EXPAND_BUILTIN_VA_START): New.
16454 (EXPAND_BUILTIN_VA_ARG): New.
16456 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
16458 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
16459 Rename from expand_builtin_saveregs.
16460 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
16462 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
16464 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
16465 for the register spill block.
16466 (i960_build_va_list): New.
16467 (i960_va_start): New.
16468 (i960_va_arg): New.
16469 * i960.h (BUILD_VA_LIST_TYPE): New.
16470 (EXPAND_BUILTIN_VA_START): New.
16471 (EXPAND_BUILTIN_VA_ARG): New.
16472 * i960.md (store_multiple): Use change_address on individul mems.
16474 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
16476 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
16478 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
16479 (expand_builtin_va_end): Evaluate arg for side effects.
16480 * c-common.c (c_common_nodes_and_builtins): Construct a
16481 va_list_arg_type_node to handle array decomposition to pointer.
16483 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
16485 * except.c (start_dynamic_cleanup): Use force_operand on the
16488 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
16490 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
16491 * c4x.c (c4x_va_arg): New.
16493 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
16495 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
16496 has manual_pop set.
16498 1999-07-26 Nathan Sidwell <nathan@acm.org>
16500 * eh-common.h (__eh_matcher): Prototype correctly.
16502 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
16504 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
16505 (TARGET_SINGLE_PIC_BASE): Likewise.
16506 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
16508 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
16509 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
16510 (TARGET_OPTIONS): Add -mpic-register=N.
16511 (OUTPUT_INT_ADDR_CONST): New macro.
16512 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
16513 LEGITIMATE_PIC_OPERAND_P): Likewise.
16514 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
16515 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
16516 output_addr_const directly.
16517 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
16519 (thumb_pic_register, thumb_pic_register_string): Declare.
16521 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
16523 (label_mentioned_p): New function: Imported from arm.c.
16524 (legitimize_pic_address): New function: Imported from arm.c.
16525 (is_pic):New function: Imported from arm.c.
16526 (thumb_finalize_pic):New function: Imported from arm.c.
16527 (add_constant): Cope with PIC constants.
16528 (fixit): Cope with PIC constants.
16529 (output_return): Do not treat the PIC register as live if
16530 TARGET_SINGLE_PIC_BASE is true.
16531 (thumb_function_prologue): Do not treat the PIC register as live if
16532 TARGET_SINGLE_PIC_BASE is true.
16533 (thumb_expand_prologue): Do not treat the PIC register as live if
16534 TARGET_SINGLE_PIC_BASE is true.
16535 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
16536 TARGET_SINGLE_PIC_BASE is true.
16537 (thumb_print_operand): Accept '|'.
16538 (thumb_override_options): Process PIC options.
16540 * config/arm/thumb.md (movsi): Support PIC.
16541 (call_insn): Change "i" constraint to "X".
16542 (call_value_insn): Likewise.
16543 (consttable_4, consttable_8, consttable_end): Set and clear
16544 "making_const_table" as appropriate.
16545 (pic_load_addr, pic_add_dot_plus_four): New insns.
16547 * invoke.texi (Thumb Options): Fix spelling. Document new
16548 options -msingle-pic-base and -mpic-register=.
16550 1999-07-26 Andrew Haley <aph@cygnus.com>
16552 * config/m32r/initfini.c (__init): Use a full word immediate for
16553 __fini: this allows it to be placed in any memory region.
16555 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
16556 -mmodel=medium. This is OK for all memory models.
16558 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
16560 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
16561 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
16563 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
16565 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
16568 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
16570 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
16572 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
16573 (BUILD_VA_LIST_TYPE): New.
16574 (EXPAND_BUILTIN_VA_START): New.
16575 (EXPAND_BUILTIN_VA_ARG): New.
16576 * i860.c (output_delayed_branch): Disable.
16577 (output_delay_insn): Likewise.
16578 (i860_saveregs): New.
16579 (i860_build_va_list): New.
16580 (i860_va_start): New.
16581 (i860_va_arg): New.
16582 * i860.md: Disable all peepholes using output_delayed_branch.
16583 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
16585 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
16587 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
16588 (BUILD_VA_LIST_TYPE): New.
16589 (EXPAND_BUILTIN_VA_START): New.
16590 (EXPAND_BUILTIN_VA_ARG): New.
16591 * clipper.c (clipper_builtin_saveregs): Only dump registers.
16592 Return the address of the save area.
16593 (clipper_build_va_list): New.
16594 (clipper_va_start): New.
16595 (clipper_va_arg): New.
16597 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
16599 * arc.h (EXPAND_BUILTIN_VA_START): New.
16600 (EXPAND_BUILTIN_VA_ARG): New.
16601 * arc.c (arc_setup_incoming_varargs): Set alias set of
16603 (arc_va_start): New.
16606 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
16608 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
16609 (BUILD_VA_LIST_TYPE): New.
16610 (EXPAND_BUILTIN_VA_START): New.
16611 (EXPAND_BUILTIN_VA_ARG): New.
16612 * alpha.c (alpha_builtin_saveregs): Delete.
16613 (alpha_build_va_list): New.
16614 (alpha_va_start): New.
16615 (alpha_va_arg): New.
16617 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
16619 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
16621 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
16622 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
16624 * gcc.texi: More changes related to list conversion.
16625 * invoke.texi: Likewise.
16627 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
16629 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
16630 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
16631 (expand_builtin_next_arg): Accept ARGLIST not EXP.
16632 (stabilize_va_list): New function.
16633 (std_expand_builtin_va_start): New function.
16634 (expand_builtin_va_start): New function.
16635 (get_varargs_alias_set): New function.
16636 (std_expand_builtin_va_arg): New function.
16637 (expand_builtin_va_arg): New function.
16638 (expand_builtin_va_end): New function.
16639 (expand_builtin_va_copy): New function.
16640 (expand_builtin): Call them.
16641 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
16642 __builtin_{varargs_start,stdarg_start,end,copy}.
16643 (build_va_arg): New function.
16644 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
16645 (build_va_arg): Declare.
16646 * c-decl.c (ptr_type_node, va_list_type_node): New.
16647 * c-parse.gperf (__builtin_va_arg): New.
16648 * c-parse.in (VA_ARG): New token.
16649 (unary_expr): Recognize it.
16650 * expr.c (expand_expr): Expand VA_ARG_EXPR.
16651 * expr.h (std_expand_builtin_va_start): Declare.
16652 (std_expand_builtin_va_arg): Declare.
16653 (expand_builtin_va_arg): Declare.
16654 (get_varargs_alias_set): Declare.
16655 * tree.def (VA_ARG_EXPR): New.
16656 * tree.h (BUILT_IN_VARARGS_START): New.
16657 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
16658 (ptr_type_node, va_list_type_node): Declare.
16659 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
16660 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
16661 * m88k.h, m88k.c: Likewise.
16662 * mn10300.h, mn10300.c: Likewise.
16663 * pa.h, pa.c: Likewise.
16664 * rs6000.h, rs6000.c: Likewise.
16665 * sh.h, sh.c: Likewise.
16666 * sparc.h, sparc.c: Likewise.
16668 * emit-rtl.c (operand_subword): Copy alias set.
16669 (change_address): Likewise.
16671 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
16673 * pa.c (compute_frame_size): Scan all the used callee saved registers,
16674 not just the first one.
16676 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
16678 * config/arm/arm.h (TARGET_SWITCHES): Add
16679 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
16680 (TARGET_OPTIONS): Add -mpic-register=.
16681 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16682 (arm_pic_register_string): Declare.
16683 (NEED_PLT_GOT): Delete, replace with ...
16684 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16685 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16686 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16687 * config/arm/arm.c (arm_override_options): Add new option
16689 (arm_pic_register_string): New variable.
16690 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16691 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16692 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16693 (output_return_instruction): Likewise.
16694 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16695 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16696 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16698 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16699 mention of -msched-prolog. Document new options -msingle-pic-base
16700 and -mpic-register=.
16702 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16704 * haifa-sched.c (reemit_notes): Tidy.
16705 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16708 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16710 * explow.c (trunc_int_for_mode): New function.
16711 (plus_constant_wide): Use it.
16712 * combine.c (simplify_and_const_int): Likewise.
16713 (merge_outer_ops): Likewise.
16714 (simplify_shift_const): Likewise.
16715 * cse.c (simplify_unary_operation): Likewise.
16716 (simplify_binary_operation): Likewise.
16717 * emit-rtl.c (operand_subword): Likewise.
16718 * rtl.h: Declare it.
16720 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16722 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16723 (use NUM_REGS instead of NUM_INTS).
16725 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16727 * builtins.c: New file.
16728 * expr.c (saveregs_value, apply_args_value): Delete definition,
16729 moved into builtins.c.
16730 (string_constant): No longer static.
16731 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16732 apply_args_size, apply_result_size, result_vector,
16733 expand_builtin_apply_args, expand_builtin_apply,
16734 expand_builtin_return): Delete functions, moved into builtins.c.
16735 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16736 * expr.h (saveregs_value, apply_args_value): Declare variables.
16737 (expand_builtin, string_constant): Declare functions.
16738 * Makefile.in: Update to build builtin.o.
16740 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16742 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16743 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16744 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16745 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16747 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16750 1999-07-21 Michael Meissner <meissner@cygnus.com>
16752 * print-rtl.c (print_rtx): Print the names of the virtual
16755 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16757 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16758 introduced in previous delta.
16760 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16762 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16763 to avoid name clash.
16765 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16767 * c-lex.c (yylex) : Correct the test for overflow when lexing
16770 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16772 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16773 (adjust_priority): Always call ADJUST_PRIORITY.
16774 (schedule_insn): Only put insns into the ready at cost 0.
16775 (schedule_block): Remove redundant initial sort. Give clock_var
16776 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16778 * tm.texi (MD_SCHED_REORDER): Update docs.
16780 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16781 * sparc.c (ultra_reorder_called_this_block): Delete.
16782 (ultrasparc_sched_init): Don't set it.
16783 (ultrasparc_sched_reorder): Don't check it.
16785 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16787 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16788 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16789 (function_arg_boundary): Align DFmode.
16790 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16791 to get fp reg and stack overflow correct.
16792 (function_arg): Likewise.
16793 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16794 (setup_incoming_varargs): Restructure for ABI_V4; use
16795 function_arg_advance to skip final named argument.
16796 (expand_builtin_saveregs): Properly unskip the last integer arg
16797 when doing varargs. Adjust overflow location calculation.
16799 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16800 explicitly unsigned.
16801 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16802 (__VA_GP_REGSAVE): Similarly.
16803 (__va_longlong_p): Delete.
16804 (__va_arg_type_violation): New declaration.
16805 (va_arg): Restructure. Flag promotion errors. Align double.
16806 TFmode passed by reference.
16808 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16809 in the HOST_BITS_PER_WIDE_INT > 32 case.
16811 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16813 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16815 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16817 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16818 * toplev.c (documented_lang_options): Add -fpreprocessed.
16819 * cpplib.h (struct cpp_buffer): Add preprocessed.
16820 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16821 (cpp_start_read): Don't expand macros or emit an initial #line
16822 directive if -fpreprocessed.
16824 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16826 * cpplib.h (struct cpp_buffer): Added manual_pop for
16827 better C++ tokenization.
16828 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16829 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16830 * c-common.c (cpp_token): Make non-static.
16832 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16834 * c-common.h: New file.
16835 * c-common.c (permanent_obstack): Delete unused declaration.
16836 (c_global_trees): New array.
16837 (c_common_nodes_and_builtins): New function; split off common code
16838 from init_decl_processing in both c-decl.c and cp/decl.c.
16839 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16840 c_global_trees and accessor macros defined in c-common.h.
16841 Include c-common.h.
16842 * c-decl.c: Delete definitions for tree nodes that were replaced by
16844 (init_decl_processing): Build void_list_node.
16845 Call c_common_nodes_and_builtins; delete code to generate the common
16847 * objc/objc-act.c (build_module_descriptor): Rename variable
16848 void_list_node to avoid clash with c-common.h.
16850 * Makefile.in: Update dependencies.
16851 * objc/Make-lang.in: Likewise.
16853 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16855 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16856 (UNIQUE_SECTION_P): Likewise.
16857 (UNIQUE_SECTION): Likewise.
16859 1999-07-19 Linas Vepstas <linas@linas.org>
16861 * config/i370/README: New file.
16862 * config/i370/linux.h: New file.
16863 * config/i370/mvs.h: New file.
16864 * config/i370/oe.h: New file.
16865 * config/i370/t-linux: New file.
16866 * config/i370/t-mvs: New file.
16867 * config/i370/t-oe: New file.
16868 * config/i370/x-oe: New file.
16869 * config/i370/xm-linux.h: New file.
16870 * config/i370/xm-mvs.h: New file.
16871 * config/i370/xm-oe.h: New file.
16873 * i370.c (label_node_t): Add first_ref_page, label_addr,
16874 label_first_ref, label_last_ref members.
16875 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16876 (MAX_MVS_LABEL_SIZE): Define.
16877 (MAX_LONG_LABEL_SIZE): Define.
16878 (alias_node_t, alias_anchor, alias_number): New.
16879 (mvs_function_table): Reorder for EBCDIC.
16880 (ascebc, ebcasc): Unconditionally define.
16881 (i370_branch_dest, i370_branch_length): New functions.
16882 (i370_short_branch, i370_label_scan): New functions.
16883 (mvs_get_label): Renamed from mvs_add_label. Search for
16884 an existing label before creating a new one.
16885 (mvs_add_label): New function.
16886 (mvs_get_label_page): New function.
16887 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16888 over the entire list.
16889 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16890 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16891 (mvs_add_alias, mvs_need_alias): New functions.
16892 (mvs_get_alias, mvs_check_alias): New functions.
16893 (handle_pragma): New function.
16894 (mvs_function_check): New function.
16895 (unsigned_jump_follows_p): Search harder.
16896 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16897 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16898 * i370.h (TARGET_VERSION): Delete.
16899 (CPP_SPEC, CPP_PREDEFINES): Delete.
16900 (mvs_label_emitted): Delete.
16901 (TARGET_EBCDIC): Delete.
16902 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16903 (HANDLE_PRAGMA): Define.
16904 (HARD_REGNO_NREGS): Handle complex modes.
16905 (HARD_REGNO_MODE_OK): Likewise.
16906 (CLASS_MAX_NREGS): Likewise.
16907 (RET_REG): Likewise.
16908 (EXTRA_CONSTRAINT): Define.
16909 (RETURN_IN_MEMORY): True for DImode.
16910 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16911 (FUNCTION_PROFILER): Delete.
16912 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16913 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16914 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16915 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16916 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16917 (ASM_FILE_START): Add "RMODE ANY".
16918 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16919 (ASM_GLOBALIZE_LABEL): Likewise.
16920 (ASM_OUTPUT_LABELREF): Likewise.
16921 (ASM_OUTPUT_COMMON): Likewise.
16922 (PRINT_OPERAND): Handle 'K', 'W', default.
16923 (PRINT_OPERAND_ADDRESS): New.
16924 (Lots of defines): Add support for TARGET_ELF_ABI.
16925 * i370.md (attr length): New. Define for all patterns.
16926 (*): Lots of tweeks to assembly output and constraints.
16928 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16930 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16931 Disable patterns performing SImode comparisons with SImode values
16932 if TARGET_POWERPC64 and instruction does not sign-extend or does
16933 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16934 differ for signed quantities.
16935 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16936 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16937 (decrement_and_branch_on_count): Add 64-bit variant.
16939 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16941 * final.c (output_asm_insn): When searching for the matching string
16942 for a given dialect, don't run past the end of the list of
16943 alternatives if there are fewer alternatives in the template than
16946 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16948 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16949 Removed paragraph about compression of files and size limitation,
16950 duplicated in the FAQ. Use gcc-patches for posting patches.
16951 * gcc.c (main): Updated URL with bug reporting instructions to
16952 gcc.gnu.org. Removed e-mail address.
16953 * system.h (abort): Likewise.
16955 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16957 * Makefile.in (stmp-multilib-sub): Make the files extracted
16958 from $(LIBGCC1) writable.
16960 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16962 * config/arm/aout.h: Reformat for improved readability.
16964 * config/arm/arm.h: Reformat for improved readability.
16965 Replace uses of fprintf with asm_fprintf where appropriate.
16966 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16967 function declaration assembler actions.
16968 (NUM_INTS): New macro: Convert from bytes to words.
16969 (NUM_REGS): New macro: Compute number of registers required to
16970 hold a quanitity of tyep MODE.
16971 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16973 (NUM_ARG_REGS): New macro: The number of argument registers
16975 (ARG_REGISTER): New macro: Compute the register number of the Nth
16977 (LAST_ARG_REGNUM): New macro: The number of the last argument
16979 (SP_REGNUM): New macro: Register number of the stack pointer.
16980 (FP_REGNUM): New macro: Register number of the frame pointer.
16981 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16982 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16983 CUMULATIVE_ARGS so that it counts registers not bytes.
16985 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16987 Replace uses of fprintf with asm_fprintf where appropriate.
16988 (output_ascii_pseudo_op): Replace with version from thumb.c
16990 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16992 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16993 SUBTARGET_CPP_SPEC.
16994 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16995 (ASM_FILE_START): Emit ASM_APP_OFF.
16997 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16999 * pa.c (compute_frame_size): Round frame according to
17000 STACK_BOUNDARY rather than a hardwired value.
17002 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
17004 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
17006 * configure: Rebuilt.
17008 * configure.in (hppa*-*-linux*): New configuration.
17009 * configure: Rebuilt.
17010 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
17011 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
17012 * pa/pa-linux.h: New file.
17013 * pa/t-linux: New file.
17014 * pa/xm-linux.h: New file.
17016 * pa.c (hppa_legitimize_address): Change references from SImode to
17017 either Pmode or word_mode as appropriate.
17018 (emit_move_sequence, store_reg, load_reg): Likewise.
17019 (set_reg_plus_d, hppa_expand_prologue): Likewise.
17020 (output_mul_insn): Likewise.
17021 * pa.h (PROMOTE_MODE): Likewise.
17022 (INITIALZE_TRAMPOLINE): Likewise.
17023 (Pmode): Define to word_mode.
17025 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
17026 value of 4. Allocate 8 bytes for each FP register save.
17027 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
17029 (hppa_expand_prologue): Likewise.
17030 * pa.h (PROMOTE_MODE): Likewise.
17031 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
17032 (FUNCTION_ARG_BOUNDARY): Likewise.
17034 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
17036 * pa.c (out_of_line_prologue_epilogue): Delete.
17037 (override_options): Remove -mspace related code.
17038 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
17039 (compute_frame_size): Only allocate space for register that
17040 actually need to be saved.
17041 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
17042 (TARGET_SWITCHES): Remove -mspace, -mno-space
17043 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
17044 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
17045 * pa/ee.asm, pa/ee_fp.asm: Delete.
17047 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
17049 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
17050 directive in column zero.
17052 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
17054 * m68k.c (output_function_prologue): Fix computation of save mask
17055 when generating PIC code.
17057 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
17059 * tree.c (build_type_attribute_variant): Move current_obstack restore
17060 after build_qualified_type call.
17062 1999-07-15 Mark Mitchell <mark@codesourcery.com>
17064 * configure.in: Use t-iris6, even with GNU LD.
17065 * config/mips/iris6gld.h: Fix typo in linker spec.
17066 * config/mips/t-iris6gld: Remove.
17068 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
17070 * rs6000.md (insv, extzv): Remove SImode dependence in named
17071 patterns. Explicitly generate DImode RTL if PowerPC64 and
17073 (insvdi): Reverse start and size in instruction template.
17075 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
17077 * invoke.texi: Typo fixes.
17079 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
17081 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
17082 handle at this time instead of silently generating incorrect code.
17083 (gen_imagpart): Likewise.
17085 * reload.c (find_reloads): Emit a USE for a pseudo register without
17086 a hard register if we could not create an optional reload for the
17089 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17091 * c-typeck.c (output_init_element, process_init_element):
17092 When advancing constructor_unfilled_fields for a RECORD_TYPE,
17093 check for nameless bit fields.
17095 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
17097 * regclass.c (scan_one_insn): Notice subregs that change the
17098 size of their operand.
17099 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
17101 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
17103 * configure.in (alpha*-*-*): Include alpha/t-ieee.
17104 * configure: Rebuilt.
17105 * alpha/t-ieee: New file.
17107 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
17109 * rs6000.c (find_addr_reg): Do not select r0 as an address
17112 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
17114 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
17116 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
17118 * rs6000.md (movsf): Do not force easy FP constants into memory.
17120 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
17121 immed_double_const to ensure they are properly truncated then
17124 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17126 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
17127 always unless NO_DEBUG is used. Compile this code
17129 (replace_symbols_in_block): Compile it unconditionally.
17131 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
17133 * configure.in (i?86-*-elf*): New target.
17134 * configure: Rebuilt.
17135 * i386/i386elf.h, i386/t-i386elf: New files.
17137 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17139 * toplev.c (main): Don't complain about saying -gdwarf.
17140 (rest_of_compilation): Remove redundant code.
17142 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
17144 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
17146 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
17148 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
17149 "Li960R:", to avoid name clash.
17151 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17153 * loop.c (check_dbra_loop): When reversing a loop, delete all
17154 REG_EQUAL notes referencing the reversed biv except those which are
17155 for a giv based on it.
17157 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
17159 * version.c: Drop "gcc-" prefix from version #.
17161 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
17163 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
17164 the label if we're being verbose.
17166 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
17168 * m68k.c (output_function_prologue): Add pic register to mask
17169 if live and flag_pic.
17170 (output_function_epilogue): Likewise.
17172 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
17174 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
17175 directives in column zero.
17177 * pa/elf.h (ASM_FILE_START): Define.
17178 * pa/som.h (ASM_FILE_START): Include .level directives.
17179 * pa/hpux10.h (ASM_FILE_START): Delete.
17180 * pa/hpux11.h (ASM_FILE_START): Delete.
17182 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
17184 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17186 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
17187 when reload_out equals reload_in.
17189 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
17191 * invoke.texi (Spec Files): New node: Describe the contents of
17194 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
17196 * invoke.texi (DEC Alpha Options): Put @end table at
17197 beginning of line, to avoid confusing texi2html.
17199 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
17201 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
17202 introduced in previous delta.
17204 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17206 * reload1.c (gen_reload): When synthesizing a 3 operand add
17207 sequence, improve test for when to reload OP1 into the reload
17208 register instead of OP0.
17210 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
17212 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
17214 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
17216 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
17219 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
17221 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
17222 (va_dcl): Use __builtin_va_alist_t.
17224 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
17226 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
17227 on the permanent_obstack.
17228 * dwarfout.c (output_type): Likewise.
17230 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
17232 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17233 Merged from c-typeck.c and cp/typeck.c.
17234 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17235 Merged into c-common.
17237 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
17239 * c-lex.c (errorcount): Declare it.
17240 (finish_parse): Update errorcount when using CPPLIB.
17242 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
17244 * fixinc/inclhack.def(end_else_label): Double the backslash so
17245 sed gets a chance to see it.
17246 * fixinc/inclhack.sh: regen
17247 * fixinc/fixincl.x: regen
17249 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
17251 Add framework to support armv5 architecture when it becomes
17254 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
17255 (arm_arch5): New variable.
17256 (all_architectures): Add armv5 line.
17257 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
17258 -march=armv5 is specified on the command line.
17259 (arm_arch5): Export this variable.
17260 * invoke.texi: Document new string accepted by -march= switch for
17263 * config/arm/arm.h: Replace use of constant 12 as a register
17264 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
17265 * config/arm/arm.c: Replace use of constant 12 as a register
17266 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
17268 * config/arm/elf.h: Tidy up.
17269 * config/arm/coff.h: Tidy up.
17271 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
17273 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
17274 * gcc/config/mips/t-iris6gld: New file.
17275 * gcc/config/mips/iris6gld.h: Likewise.
17277 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
17279 * c-decl.c (widest_integer_literal_type_node,
17280 widest_unsigned_literal_type) : New.
17281 (init_decl_processing): Handle/use the two new types.
17282 * c-common.c (type_for_size,type_for_mode) : Same.
17283 * c-lex.c (yylex) : Same.
17284 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17286 * c-tree.h (widest_integer_literal_type_node,
17287 widest_unsigned_literal_type) : New.
17289 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
17291 * dwarfout.c (field_byte_offset): Correctly compute the object's
17292 byte offset for the first bit of a field which crosses an alignment
17293 boundary on a !BYTES_BIG_ENDIAN target.
17295 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
17297 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
17300 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
17301 Jeff Law <law@cygnus.com>
17303 * ginclude/varargs.h (va_dcl): Use word_mode for type of
17306 * except.c: Include intl.h.
17307 (expand_eh_return): Set current_function_cannot_inline.
17308 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
17309 * function.h (struct function): Add eh_return_stub_label.
17310 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
17311 * Makefile.in (except.o): Depend on intl.h.
17313 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
17315 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
17316 same as offsettable in cases 1 and 2.
17318 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
17320 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
17321 (extlh, extwh): Likewise.
17323 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
17325 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
17327 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
17329 * configure.in: Add arm-pe and thumb-pe targets.
17330 * configure: Regenerate.
17332 * thumb.c (arm_naked_function_p): New function: Determines if
17333 a function is naked (has no gcc generated prologue/epilogue).
17334 (is_called_in_ARM_mode): Return true if the func has the
17335 interfacearm attribute.
17336 (output_return): Do not generate a return for naked functions.
17337 (thumb_function_prologue): Do not generate a prologue for
17339 (thumb_expand_prologue): Do not generate a prologue for naked
17341 (thumb_expand_epilogue): Do not generate an epilogue for naked
17343 (arm_valid_machine_decl_attribute): New function, copied from
17344 arm.c: Permit naked and interfacearm attributes.
17346 * config/arm/pe.c: New file: Support code for arm-pe target.
17347 * config/arm/pe.h: New file: Header file for arm-pe target.
17348 * config/arm/tpe.h: New file: Header file for thumb-pe target.
17349 * config/arm/t-thumb-pe: New file: Makefile fragment for
17352 1999-07-01 Mark Kettenis <kettenis@gnu.org>
17354 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
17355 -fPIC or -fpic is specified.
17357 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
17359 * expr.c (emit_block_move): Use copy_to_mode_reg for
17360 !TARGET_MEM_FUNCTIONS case too.
17362 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
17364 * configure: Rebuilt.
17365 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
17366 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
17367 definitions made redundant by dbxelf.h inclusion. Delete
17368 lots of definitions related to assembly output that are
17369 specific to the SOM object format.
17370 * pa.c (output_function_prologue): Do not emit the function's
17372 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
17373 * pa-pro.h: Deleted.
17374 * som.h: New file with SOM specific definitions.
17375 * elf.h: New file with ELF specific definitions.
17377 * elfos.h (const_section): Output a tab before assembler directives.
17378 (ctors_section, dtors_section): Likewise.
17379 (ASM_OUTPUT_SECTION_NAME): Likewise.
17381 * pa/pa1.h: Delete unused file.
17383 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
17385 * configure.in (hppa*-hp-hpux11*): New configuration.
17386 * configure: Rebuilt.
17387 * pa/pa-hpux11.h: New file.
17388 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
17391 * mips.md (leasi, leadi): New patterns.
17393 * expr.c (emit_block_move): Properly handle case where one of the
17394 block move arguments has a queued increment or decrement.
17395 (clear_storage): Similarly. Fix formatting goof.
17397 1999-06-28 "David O'Brien" <obrien@NUXI.com>
17399 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
17400 semicolon from the BSD VA_LIST replacement expression.
17402 * fixinc/inclhack.sh: regen
17403 * fixinc/fixincl.x: regen
17405 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
17406 now use the fixincl program.
17408 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
17410 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
17411 case. Also make the PIC register call_used.
17413 * m68k.h (FINALIZE_PIC): Delete.
17414 * m68k.c (finalize_pic): Delete.
17416 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
17418 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
17421 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
17423 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
17425 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
17427 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
17429 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
17431 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
17433 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
17435 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
17437 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
17439 * rs6000.c (output_toc): Always use hex values for floating-point
17440 constants. Store single-precision values in upper-half of TOC
17441 entry in 64-bit mode.
17442 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
17443 to final constraints.
17444 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
17445 (fctiwz): Improve accuracy of RTL for pattern.
17447 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
17449 * expr.c (expand_expr): Allow RTL_EXPR's through the
17450 MAX_INTEGER_COMPUTATION_MODE checks.
17452 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
17454 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
17455 such that MASK_SUPPORT_ARCH is not negative.
17457 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
17459 * loop.c (verify_dominator): Properly handle ADDR_VEC and
17460 ADDR_DIFF_VEC insns that appear inside loops.
17462 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
17463 Jeff Law <law@cygnus.com>
17465 * rs6000.md (movdf_hardfloat32): Revert previous patch.
17466 Handle LO_SUM the same as offsettable in cases 1 and 2.
17467 * rs6000.c (find_addr_reg): Revert previous patch.
17469 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
17471 * system.h (strstr): New external function declaration.
17472 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
17473 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
17474 * config.in, configure: Rebuilt.
17476 1999-06-24 Tom Tromey <tromey@cygnus.com>
17478 * gcc.c (main): Read user-specified specs files after computing
17479 additional startfile_prefixes.
17481 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
17483 Revert these two patches:
17485 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17486 * loop.c (strength_reduce): When doing biv->giv conversion, update
17487 reg note of NEXT->insn.
17489 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17490 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17492 (recombine_givs): Set ix field after sorting.
17494 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17496 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
17497 for the parts of an UNSPEC / UNSPEC_VOLATILE.
17499 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
17501 *fixinc/inclhack.def: Add fix development commentary
17502 (read_ret_type): reactivate and add selection clause
17503 (zzz_*): tweak output file name to match what is used in hackshell.tpl
17504 *fixinc/{fixincl.x|inclhack.sh}: regen
17506 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
17508 * expr.c (expand_expr): STRIP_NOPS before checking against
17509 MAX_INTEGER_COMPUTATION_MODE
17510 (check_max_integer_computation_mode): Likewise.
17512 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
17514 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
17516 1999-06-22 Jim Wilson <wilson@cygnus.com>
17518 * expr.c (store_expr): When target is a promoted subreg, return a
17519 promoted subreg as a result.
17521 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
17523 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
17525 (dwarf2out_define): Mark unused parameters appropriately.
17526 (gen_unspecified_parameters_die): Ditto.
17527 (gen_subprogram_die): Fix signed/unsigned warnings.
17528 (gen_variable_die): Ditto.
17530 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
17532 * fixinc/inclhack.def(end_else_label): combined else_label
17533 and endif_label and fixed the sed expression.
17534 *fixinc/{fixincl.x|inclhack.sh}: regen
17536 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
17538 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
17539 'x' when handling non-offsettable addresses
17541 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
17543 * final.c (shorten_branches): Don't try to split an insn that has
17546 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
17548 * config/mips/mips.c (symbolic_expression_p): New function.
17549 (mips_select_rtx_section): Put symbolic expressions in the
17550 data section, not the read-only data section.
17552 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
17554 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
17556 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
17558 * collect2.c (main): Log frame table count.
17559 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
17560 (scan_prog_file) [COFF]: Handle frame tables.
17562 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
17563 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
17564 * alpha/elf.h: Undef them again.
17565 * alpha/vms.h: Remove their definitions.
17567 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17569 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
17570 remove the clobber of r0 and change the REG_UNUSED note to
17573 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
17575 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
17576 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
17577 fits in HOST_WIDE_INT and one uses union to access a long constant
17580 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
17582 * sparc.c (sparc_override_options): Don't allow profiling for
17583 code models other than medlow.
17584 (sparc_function_profiler): New function from old FUNCTION_PROFILER
17585 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
17586 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
17587 (sparc_block_profiler): Likewise.
17588 (sparc_function_block_profiler_exit): Likewise.
17589 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
17590 (FUNCTION_BLOCK_PROFILER): Likewise.
17591 (BLOCK_PROFILER): Likewise.
17592 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
17593 (MCOUNT_FUNCTION): New.
17594 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
17595 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
17596 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
17597 (MCOUNT_FUNCTION): New.
17598 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
17599 (BLOCK_PROFILER): Delete.
17600 (MCOUNT_FUNCTION): New.
17602 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
17604 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
17606 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17608 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17611 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17614 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17617 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17620 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
17622 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
17625 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
17627 * i386/djgpp.h (LIB_SPEC): New.
17628 (STARTFILE_SPEC): New.
17630 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
17632 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
17634 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
17637 * system.h (WSTOPSIG): New macro.
17639 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
17641 * c-pragma.c (push_alignment): Don't ignore alignments greater than
17643 (insert_pack_attributes): Take into account member natural
17646 * i386/winnt.c (exports_head): New static variable.
17647 (i386_pe_record_exported_symbol): New function.
17648 (i386_pe_asm_file_end): Use.
17649 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
17650 symbols to be emitted at end of assembly.
17651 (ASM_DECLARE_OBJECT_NAME): Likewise.
17652 (ASM_DECLARE_FUNCTION_NAME): Likewise.
17654 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
17657 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
17659 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
17662 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
17664 * haifa-sched.c (sched_analyze_1): Use free_list instead of
17665 zapping reg_last_uses directly.
17666 (sched_analyze_2, sched_analyze_insn): Likewise.
17667 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
17669 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
17671 * rs6000.md (movdf_hardfloat32): Use worst case insn length
17672 attributes for cases 1 and 2.
17674 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
17676 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
17679 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17681 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17683 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17685 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17686 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17687 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17688 must be stacked if it is used for PIC accesses.
17689 * arm.c (use_return_insn): Handle PIC register specially.
17690 (output_return_instruction): Likewise.
17691 (output_func_{prologue,epilogue}): Likewise.
17692 (output_expand_prologue): Likewise.
17694 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17695 (*strsi_predec): Renamed from *strqi_predec.
17696 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17697 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17699 * arm.c (arm_override_options): Remove warning about PIC code
17700 not being supported.
17702 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17704 * rs6000.c (find_addr_reg): New function.
17705 * rs6000.h (find_addr_reg): Declare.
17706 (offsettable_addr_operand): Delete.
17707 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17708 from and stores to GPRs.
17710 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17712 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17713 gen_sequence as argument to emit_no_conflict_block.
17715 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17717 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17718 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17719 *fixinc/fixincl.x: regen
17720 *fixinc/inclhack.sh: regen
17722 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17724 * added support for -mpcrel (PC relative addressing for m68k)
17725 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17726 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17727 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17728 (comments for general_src_operand): Add some explanation
17729 about EXTRA_CONSTRAINTS.
17730 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17731 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17732 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17733 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17734 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17735 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17736 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17737 if not already set.
17738 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17739 * m68k.h (TARGET_PCREL): New target flag.
17740 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17741 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17742 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17743 contains a SYMBOL_REF. Relax this constraint during reload, since
17744 we want to use the predicates, not reload's built-in concept of a
17745 valid memory address, to control what insns need reloading.
17746 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17747 operands (essentially 'g', 'm', and 's' under normal circumstances).
17748 * m68k.c (print_operand): Cause printing of pc-relative addresses
17749 to include pc register.
17750 (print_operand_address): Ditto.
17751 (general_src_operand): Accept operands that are not only
17752 general_operands, but are also valid when used as a pc-relative
17754 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17755 (memory_src_operand): Similar, for memory_operands.
17756 (pcrel_address): New predicate to accept the special case of a
17757 pc-relative address.
17758 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17759 QImode insns to accept *_src_operand instead of *_operand where
17760 pc-relative operands can fit. For example, a pc-relative operand
17761 can be used as a memory source operand for addsi3, but not as a
17762 memory destination.
17763 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17765 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17767 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17768 .thumb_set pseudo op to mark aliases of thumb functions.
17770 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17772 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17773 preference to ASM_OUTPUT_DEF, if it is defined.
17775 * tm.texi: Document new, optional target macro
17776 ASM_OUTPUT_DEF_FROM_DECLS.
17778 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17780 * fixincludes: ISCNTL patch
17781 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17782 (dgux_int_varargs): new for DG/UX
17783 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17785 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17787 * invoke.texi (ia32 options): Fix typo.
17789 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17791 * loop.c (strength_reduce): When doing biv->giv conversion, update
17792 reg note of NEXT->insn.
17794 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17796 * loop.c (move_movables): Note issues with replacing REGs with
17798 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17800 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17802 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17804 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17805 the reference to `mcount' was not correct for the ELF on FreeBSD.
17807 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17809 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17812 (recombine_givs): Set ix field after sorting.
17814 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17816 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17817 to safe to extract a subword out of a REG.
17819 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17821 * sh.md (mulsi3): Don't add a no-op move at the end.
17823 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17825 * cse.c (cse_insn): Don't put hard register source into tables for
17826 the last insn of a libcall.
17828 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17830 * loop.c (strength_reduce): Insert sets of derived givs at every
17831 biv increment, even if it's the only one.
17833 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17835 * dwarfout.c (add_incomplete_type): New fn.
17836 (output_type): Call it.
17837 (retry_incomplete_types): New fn.
17838 (dwarfout_finish): Call it.
17840 From Eric Raskin <ehr@listworks.com>:
17841 (output_type): Output types for bases.
17843 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17845 * mips.c (mips_output_conditional_branch): Add `break'
17846 between `default' label and `close braces'.
17848 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17850 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17851 specifications and make it realistic.
17852 (LIB_SPEC): Likewise.
17854 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17856 * config/mips/mips.c (mips_secondary_reload_class): Check for
17857 (PLUS (SP) (REG)) and return appropriate register class.
17858 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17859 Handle (PLUS (SP) (REG)).
17860 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17861 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17862 of emit_insn for tablejump.
17864 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17866 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17867 asm_fprintf format string by itself.
17868 (output_function_profiler): Likewise.
17870 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17872 * combine.c (simplify_logical, case AND): Only call
17873 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17874 or the constant is positive.
17876 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17878 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17879 * configure: Regenerate.
17881 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17883 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17884 require a sub-version #.
17885 * configure: Rebuilt.
17887 1999-06-14 Robert Lipe (robertlipe@usa.net)
17889 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17891 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17893 * c-typeck.c (process_init_element): Detect excess elements in
17894 char array initializer.
17896 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17898 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17900 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17902 * invoke.texi (Option Summary): Add -fpermissive flag.
17904 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17906 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17907 that require PIC code sequences.
17909 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17911 * configure.in: Add new target: thumb-elf.
17912 * configure: Regenerate.
17913 * config/arm/t-thumb-elf: New file: Makefile fragment for
17915 * config/arm/telf.h: New file: Header file for thumb-elf
17918 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17920 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17921 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17922 initializers is some circumstances.
17924 * fixinc/inclhack.def (endif_label): Add additional selector for
17925 more bogus stuff after #endif statements.
17926 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17928 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17930 * i386/cygwin.h (SET_ASM_OP): Define.
17932 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17934 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17936 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17938 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17941 * sh.md (ic_invalidate_line_i): Remove second alternative.
17943 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17945 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17946 test for the presence of valid prototypes. Delete bypass expr.
17947 (ioctl_fix_ctrl): Correct the selection expression.
17948 (no_double_slash): Correct quoting rules
17949 *fixinc/fixincl.x: regen
17950 *fixinc/inclhack.sh: regen
17952 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17954 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17956 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17958 * rs6000.md (movsi_got_internal_mem): Delete.
17959 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17960 (GOT_TOC_REGNUM): Delete.
17961 (PIC_OFFSET_TABLE_REGNUM): Define.
17962 (FINALIZE_PIC): Disable.
17963 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17964 (rs6000_replace_regno): Delete.
17965 (rs6000_finalize_pic): Likewise.
17966 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17968 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17970 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17971 is a note; use <= for the compare; advance P while it is
17974 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17976 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17977 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17979 * varasm.c (remove_from_pending_weak_list): Verify t->name
17980 is non-NULL before passing it to strcmp.
17982 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17984 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17985 the typed arguments are not part of a comment
17986 (ioctl_fix_ctrl): Added a purpose comment
17987 *fixinc/fixincl.x: regenerate
17988 *fixinc/inclhack.sh: regenerate
17990 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17992 * invoke.texi: Add C4x invocation docs.
17994 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17996 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17998 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
18000 (c4x_legitimize_reload_address): New function.
18001 * config/c4x/c4x.md: Update docs.
18003 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
18005 * fixincludes: Avoid removing '.'.
18006 * fixinc/fixinc.svr4: Likewise.
18007 * fixinc/fixinc.winnt: Likewise.
18008 * fixinc/inclhack.tpl: Likewise.
18009 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
18011 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18013 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
18015 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
18017 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
18019 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
18022 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
18024 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
18025 * configure: Regenerate.
18027 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
18029 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
18032 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
18034 * fixinc/inclhack.def (avoid_bool): Also catch
18035 "typedef [unsigned] int bool".
18036 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
18038 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
18039 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
18040 * configure: Rebuilt.
18042 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
18044 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
18045 such that we can override its definitions if necessary.
18046 (CPP_SPEC): New define. Support processor specific predefines via
18048 (CC1_SPEC): New define. Support processor specific compiler
18049 options via %(cc1_cpu).
18050 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
18053 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18055 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
18056 between sed's -e flag, and the open-quote following it.
18057 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
18059 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
18060 Jeffrey A Law (law@cygnus.com)
18062 * varasm.c (assemble_start_function): Remove the function
18063 from the pending weak decls list when we define a function.
18064 (assemble_variable): Similarly for variables.
18065 (weak_finish): Ignore items on the list with a NULL name.
18066 (remove_from_ending_weak_list); New function to "remove" an item
18067 from the pending weak declarations list.
18069 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18071 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
18073 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
18075 * c-lex.c (GETC): Redefine to call getch.
18076 (UNGETC): Redefine to call put_back.
18077 (putback_buffer): New structure type.
18078 (putback): New static structure.
18079 (getch): New function.
18080 (put_back): New function.
18081 (yylex): Replace unused bytes from bad multibyte character.
18083 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
18085 * cpplib.c (do_define): Cast `alloca' return value.
18086 (do_include, do_undef, do_pragma): Likewise.
18087 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
18089 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
18090 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
18092 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
18094 * sparc.md (abstf2): This should be an expand.
18095 (split after abstf2_notv9): Fix mode.
18096 (abstf2_hq_v9): New pattern.
18097 (abstf2_v9): Only use when no hard quad.
18098 (absdf2_v9): Fix if target is not the same as source.
18099 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
18100 Add correct output constraints.
18102 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
18104 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
18105 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
18107 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
18109 * mips.h (mips_output_conditional_branch): New function.
18110 (mips_adjust_insn_length): Likewise.
18111 (ASSEMBLER_SCRATCH_REGNUM): New macro.
18112 (ADJUST_INSN_LENGTH): Likewise.
18113 * mips.c (print_operand): Add `F' and `W' for floating-point
18114 comparison opcodes.
18115 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
18117 (mips_adjust_insn_length): New function.
18118 (mips_output_conditional_branch): New function.
18119 * mips.md (length): Adjust attribute definition to handle
18120 conditional branches. Change lengths to bytes, rather than
18121 instructions throughout. Remove length attribute from
18122 instructions whose length is four bytes, and rely on the default
18124 (dslot): Fix typo in comment.
18125 Reword conditional branch patterns to use
18126 mips_output_conditional_branch.
18128 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18130 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
18131 (LIB_SPEC): Likewise.
18132 Link with -lprof1_r for -g/-pg.
18134 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18136 * loop.c (check_dbra_loop): Fix change of Jan 19.
18138 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
18140 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
18141 (STARTFILE_SPEC): Define, override the svr4.h version.
18142 (ENDFILE_SPEC): Likewise.
18144 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
18146 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
18147 * fixinc/fixincl.x: Regenerated.
18148 * fixinc/inclhack.sh: Regenerated.
18150 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18152 * sh.c (barrier_align): Don't return early for normal branch/barrier
18153 when optimizing for SH2.
18155 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
18157 * i386/udk.h (LINK_SPEC): Correct linker search path for
18160 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18162 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
18163 (braf_label_ref_operand): Delete.
18164 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
18165 * sh.md (casesi_jump_2): Operand1 is now the inside of a
18166 label_ref, and has no predicate.
18167 The patten has a predicate to guard against invalid substitutions.
18168 (dummy_jump): Delete.
18169 (casesi): Update use of casesi_jump_2.
18171 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18173 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
18174 *fixinc/fixincl.x: regenerate
18175 *fixinc/inclhack.sh: regenerate
18177 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
18179 * dwarf2out.c (add_incomplete_type): New fn.
18180 (gen_struct_or_union_type_die): Call it.
18181 (retry_incomplete_types): New fn.
18182 (dwarf2out_finish): Call it.
18184 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
18186 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
18187 current block starts with a CODE_LABEL and ends with a CALL and
18188 we can not find all the argument setup instructions for the CALL.
18190 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
18192 Revert this change:
18193 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18194 something is a candidate for optimize_bit_field_compare.
18196 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18198 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
18200 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
18202 * alpha.c (override_options): Thinko in last patch.
18204 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
18205 (LIB_SPEC): Recognize -pthread.
18207 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
18209 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
18210 definition in config/arm/coff.h
18211 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
18213 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18215 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
18216 fixes that need "file=xxx\n" prepended before invocation
18217 (start_fixer - new): starting the fixer process is complex enough
18218 to warrent its own routine. It prepends the "file=xxx\n" stuff.
18219 (process): uses the new routine; omit usage of putenv()
18220 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
18221 * fixinc/fixincl.x: regenerate
18223 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
18225 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
18226 and version #s (1.1 -> 2.96) as needed.
18227 * README.g77: Kill way out of date file in the toplevel directory.
18229 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
18231 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
18232 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
18233 * configure: Rebuilt.
18234 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
18235 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
18236 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
18237 (SWITCH_TAKES_ARG): Likewise.
18238 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
18239 * config/t-freebsd: Moved from config/i386/ so it can used for all
18242 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
18244 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
18246 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
18248 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
18249 * configure: Rebuilt.
18251 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
18253 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
18254 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
18255 * rs6000/rs6000.c (rs6000_file_start): Use putc.
18256 (rs6000_output_load_toc_table): Same.
18257 (output_prolog, output_mi_thunk): Same.
18258 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
18259 (ASM_GLOBALIZE_LABEL): Use putc.
18261 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
18263 * alpha.md (reload_*_help): New patterns and splitters.
18264 (reload_*): Use them.
18265 (mov[qh]i): Likewise.
18267 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
18269 * cccp.c (handle_directive): Handle backslash-newlines in quoted
18272 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
18274 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
18276 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
18278 * flow.c (mark_regs_live_at_end, insn_dead_p,
18279 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
18280 and HARD_FRAME_POINTER_REGNUM special treatment if reload
18281 hasn't run or the frame pointer is needed.
18282 * haifa-sched.c (attach_deaths): Likewise.
18283 * sched.c (attach_deaths): Likewise.
18285 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
18287 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
18288 calculate_can_reach_end returns nonzero.
18290 * configure.in (native gas tests): Search for an assembler in the
18291 same manner that the installed compiler will.
18292 * configure: Rebuilt.
18293 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
18295 * alias.c (find_base_term): Improve handling of addresses
18296 constructed from binary operations.
18298 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
18300 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
18302 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
18304 * function.h (cleanup_label, frame_offset): Declare.
18305 (tail_recursion_label, tail_recursion_reentry): Likewise.
18306 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18307 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
18308 (tail_recursion_label, tail_recursion_reentry): Likewise.
18309 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18311 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
18313 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
18315 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
18316 (MAX_OFILE_ALIGNMENT): Define.
18318 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
18320 * fixincl.c: Replace local include scheme with #includes of
18321 gansidecl.h and system.h.
18322 * procopen.c: Likewise.
18323 * server.c: Likewise.
18325 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
18327 * i386/t-dgux (EXTRA_PARTS): Add crti.o
18328 (crti.o): Add build rule and dependencies.
18329 * fixinc/fixinc.dgux: Use modified _int_varargs.h
18331 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18333 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
18334 (LIB_LINUX_SPEC): Likewise.
18335 (LIB_LINUX_SPEC): Add support for -pthread
18336 (CPP_OS_LINUX_SPEC): Likewise.
18337 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
18340 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
18342 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
18344 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
18345 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
18346 for IEEE math and CC_FCOMI.
18347 (put_jump_code): No IEEE if CC_FCOMI is set.
18349 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18351 * fold-const.c (fold_truthop): Make the field reference unsigned
18352 when converting a single bit compare.
18354 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18356 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
18358 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
18360 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
18361 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
18364 * reload.c (push_reload): Do not call remove_address_replacements
18365 when presented with identical optional reloads.
18367 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
18369 * alpha.h (MASK_FIX, TARGET_FIX): New.
18370 (MASK_*): Reorganize constants.
18371 (CPP_AM_FIX_SPEC): New.
18372 (TARGET_SWITCHES): Add FIX.
18373 (EXTRA_SPECS): Likewise.
18374 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
18375 (SECONDARY_MEMORY_NEEDED): Likewise.
18376 (REGISTER_MOVE_COST): Likewise.
18377 * alpha.c (override_options): Add FIX support. Always use
18378 ALPHA_TP_PROG for ev6.
18379 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
18380 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
18381 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
18383 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
18385 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18386 something is a candidate for optimize_bit_field_compare.
18388 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
18390 * gcc.texi (Passes): Document branch-shortening.
18391 * invoke.texi (Debugging Options): Document the fact that `-dp'
18392 outputs length information for instructions.
18394 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
18396 * flow.c: Revert previous delta.
18398 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
18400 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
18401 FRAME_POINTER_REGNUM.
18402 (mark_set_1): Ditto.
18403 (mark_used_regs): Ditto.
18405 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
18407 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
18408 (GOT_PCREL): New macro. Define to 1 if not already defined.
18409 * arm/elf.h (GOT_PCREL): Define to 0.
18410 * arm.c (arm_finalize_pic): Take into account the setting of
18413 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
18415 * output.h (STRIP_NAME_ENCODING): Provide default definition.
18416 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
18418 * flow.c (mark_set_1): Do not record BLKmode stores as dead
18419 store elimination candidates.
18421 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
18423 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
18426 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
18428 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
18429 Add use of x-aix41-gld.
18431 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
18433 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
18434 (ASM_OUTPUT_DESTRUCTOR): Define.
18436 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
18438 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
18439 last CODE_LABEL in a loop if we have previously passed a jump
18440 to the top of the loop.
18442 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
18444 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
18445 applying Philip's patch.
18447 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
18449 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
18452 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
18454 * loop.c (strength_reduce): Grow reg_single_usage as needed.
18456 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
18458 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
18459 Also remove a useless comment.
18461 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18463 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
18465 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
18467 * collect2.c (main): Only generate import or export file and add
18468 to link arguments if non-empty. Use xmalloc not alloca.
18469 (write_{export,import}_file): Delete.
18470 (write_aix_file): New function.
18471 (locatelib): Use xmalloc not malloc.
18472 (GCC_OK_SYMBOL): Do not check type if aix64.
18474 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
18476 Based on patch by Scott Bambrough and Pat Beirne:
18477 * config/arm/arm.c (making_const_table): New variable.
18478 * config/arm/arm.h (making_const_table): Declare.
18479 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
18481 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
18482 Keep track of when we are building the constant table.
18484 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
18486 * config/arm/arm.c (arm_override_options): Fix erroneous warning
18489 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
18491 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
18494 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
18496 * tm.texi (FUNCTION_ARG): Correct description of a stack element
18499 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
18501 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
18503 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18505 * rs6000.c (output_mi_thunk): Enable full support again.
18507 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18509 * sh.h (BRANCH_COST): Define.
18511 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
18513 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
18515 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
18517 * function.c (assign_stack_local): Align stack slot propertly.
18518 (assign_outer_stack_local): Likewise.
18520 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
18522 * expr.h (lang_expand_constant): Declare.
18523 * toplev.c (lang_expand_constant): Define it.
18524 * varasm.c (output_constant): Use it.
18526 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18528 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
18529 Change function definitions to K&R style.
18531 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18533 * fixinc/fixincl.c: We must not ignore SIGCLD now.
18535 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
18537 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
18538 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
18539 (several places): omit static initialization
18540 (process): use single fd, since only the read fd is used
18541 * fixinc/gnu-regex.c: define 'const' away, if not supported
18542 * fixinc/procopen.c(several places): omit static initialization
18543 * fixinc/server.c: define 'volitile' away, if not supported
18545 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18547 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
18548 asm_fprintf and %L to generate the label name.
18549 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
18550 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
18552 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
18554 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
18555 insn for a conditional jump can not be found.
18557 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
18559 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
18560 on variables in specific sections other than .sbss and .sdata.
18562 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
18564 * stmt.c (expand_return): Call start_cleanup_deferral and
18565 end_cleanup_deferral around conditional code.
18567 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18569 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
18570 filename lists. Utilizes new "krstr" AutoGen function.
18571 * fixinc/fixincl.x: Rebuilt.
18573 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
18575 * i386.c (output_float_compare): Avoid GNU-C extensions.
18577 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
18579 * version.c: Bump to distinguish mainline tree from the
18582 See ChangeLog.1 for earlier changes.